Abstract

A roller brush (100) and a cleaning apparatus (200) provided with the roller brush (100). The roller brush (100) comprises a roller body (10) provided with bristles. The bristles comprise: a plurality of first hard bristle bundles (20) distributed on the circumferential surface of the roller body (10) in the circumferential direction, each of the first hard bristle bundles (20) comprising at least one first hard bristle; and a plurality of first soft bristle bundles (30) and a plurality of second soft bristle bundles (40), which are distributed on the circumferential surface of the roller body (10), the first soft bristle bundles (30) and the second soft bristle bundles (40) respectively being located on two sides of the first hard bristle bundles (20) in the axial direction of the roller body (10), each of the first soft bristle bundles (30) comprising at least one first soft bristle, and each of the second soft bristle bundles (40) comprising at least one second soft bristle. The roller brush (100) can effectively clean ground seams and the ground, does not require first separately cleaning the ground seams and then cleaning the ground for the second time, and also avoids the problem that scattered objects can still be swept into the ground seams when the ground is cleaned for the second time, thereby affecting the cleaning effect.

IPC Classes  ?

• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
• E01H 1/05 - Brushing apparatus with driven brushes

Abstract

An electric coupler (30), comprising: a male connector (32) and a female connector (34), wherein one of the male connector (32) and the female connector (34) is configured to be connected to an electric tool (11, 600), and the other is configured to be connected to a control device (12, 500); the control device (12, 500) is provided with a battery pack mounting portion (25, 506) configured to be connected to a battery pack (27, 700); the male connector (32) is connected to the female connector (34), such that the electric tool (11, 600) receives the electric power transferred from the control device (12, 500) via the electric coupler (30); the male connector (32) is provided with three male terminals, and accordingly, the female connector (34) is provided with three female terminals; and each of the male terminals and the female terminals comprises two power terminals and one signal terminal. The electric coupler (30) connects the electric tool (11, 600) with the control device (12, 500) on which a power source is mounted, such that the power source is arranged outside the electric tool (11, 600), and a user does not need to bear the weight of the electric tool. In addition, the maximum current that the power terminals allow is 9-13 A, which can meet the high-current demand of a specific electric tool (11, 600).

IPC Classes  ?

• B25F 3/00 - Associations of tools for different working operations with one portable power-drive meansAdapters therefor
• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• H01R 13/62 - Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement

Abstract

Disclosed are a battery pack and a manufacturing method therefor. The battery pack comprises: a battery module, comprising several cells, wherein the cells are electrically connected to each other, and each cell comprises an outer side face in the direction of longitudinal extension thereof; an adapter portion, for establishing mechanical and electrical connection between an electric tool and the battery pack; a holder, wherein an accommodating cavity is internally formed in the holder, and the cells are at least partially received in the accommodating cavity; and a filler, which wraps the outer side faces of the cells, is located at an inner side of the accommodating cavity and is used for transferring heat generated by the cells out of the accommodating cavity. The outer side faces of the cells are completely accommodated in the accommodating cavity, and the ratio of the length along which the filler is set in the lengthwise direction of the cells to the length of the cells is not less than 30%.

IPC Classes  ?

• H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
• H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
• H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
• H01M 50/258 - Modular batteriesCasings provided with means for assembling
• H01M 10/613 - Cooling or keeping cold
• H01M 10/6235 - Power tools
• H01M 10/643 - Cylindrical cells
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
• H01M 10/659 - Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition

Abstract

The present disclosure relates to the field of navigation and positioning technologies, and in particular, to a data processing method and apparatus, a device, and a storage medium. Said method is used in a first self-mobile device in communication connection with a server, and comprises: receiving, by means of a cellular network, a differential correction value sent by the server; sending the differential correction value to a second self-mobile device, the second self-mobile device being at least one self-mobile device in communication connection with the first self-mobile device within a preset distance range; and performing navigation and positioning according to the differential correction value and a first satellite signal acquired from a satellite system. According to the embodiments of the present disclosure, by means of a plurality of self-mobile devices within a preset distance range, navigation and positioning can be performed by using a differential correction value received by the same self-mobile device, so that the number of self-mobile devices connected to a server is reduced while ensuring accurate positioning of each self-mobile device, greatly reducing the occupation of communication traffic between a server and self-mobile devices.

IPC Classes  ?

• G01S 19/41 - Differential correction, e.g. DGPS [differential GPS]
• G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors

Abstract

A path planning method and a self-moving device (1). The method comprises: acquiring a current location point of a self-moving device (1), the current location point being located in a first operation region (S00); automatically determining, on the basis of a stored preset operation map, a target location point according to a preset rule, the target location point being located in a second operation region (S02); planning, on the basis of the current location point and the stored preset operation map, a travel path of the self-moving device (1) from the current location point to the target location point, wherein travel paths planned multiple times have different intersections with the boundary of the first operation region, and/or, the travel paths planned multiple times have different intersections with the boundary of the second operation region (S04); and controlling the self-moving device (1) to travel from the current location point to the target location point along the travel path (S06). Thus, the self-moving device (1) can realize faster cross-regional walking, so as to complete the work more safely and efficiently.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A cleaning device (1000) comprises a working rod (600), a main device housing (100) positioned at one end of the working rod (600), a handle (700) positioned at another end of the working rod (600) for holding by an operator, a first cleaning assembly (500) and a second cleaning assembly (400) that can be detachably connected to the main device housing (100), and a power assembly for providing a rotational driving force to the first cleaning assembly (500) and the second cleaning assembly (400). The power assembly comprises a motor (300). Either of the first cleaning assembly (500) or the second cleaning assembly (400) is connected to the main device housing (100), the first cleaning assembly (500) comprises a first cleaning body which is driven by the motor (300) to rotate, and the second cleaning assembly (400) comprises a second cleaning body which is driven by the motor (300) to rotate. When the first cleaning assembly (500) or the second cleaning assembly (400) is connected to the main device housing (100) and is in a working state, the direction in which the first cleaning body is driven to rotate is opposite to the direction in which the second cleaning body is driven to rotate. When a user cleans a floor, the cleaning device (1000) is easy to control and cleaning efficiency is improved.

IPC Classes  ?

• A47L 11/24 - Floor-sweeping machines, motor-driven
• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers

Abstract

Provided are a pest inhibition apparatus (100), a self-moving device (200) and an automatic working system. The self-moving device (200) comprises: a main body (3); a traveling module (203) installed at the bottom of the main body (3) and used for driving the self-moving device (200) to move; and the pest inhibition apparatus (100) detachably attached to the main body (3) and having a first working state of being attached to the main body (3) and a second working state of being separated from the main body (3). The pest inhibition apparatus (100) is connected to an energy module (204) disposed on the main body (3) when in the first working state; the pest inhibition apparatus (100) is connected to an external power supply (400) when in the second working state; and the external power supply (400) is configured to be selectively connected to the pest inhibition apparatus (100) or another power tool to supply power to the pest inhibition apparatus (100) or another power tool.

IPC Classes  ?

• A01M 5/00 - Catching insects in fields, gardens, or forests by movable appliances
• A01M 29/10 - Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
• A01M 29/12 - Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents

Abstract

A control system for an electrical control pack (20). The control system comprises: an electrical control pack (20) for outputting a driving signal to an inductive load (10); a first switch (30), wherein a first end of the first switch (30) is connected to the inductive load (10), a second end thereof is connected to the electrical control pack (20), and the first switch is used for connecting the inductive load (10) to the electrical control pack (20) when the electrical control pack (20) is inserted into a machine body, and for disconnecting the inductive load (10) from the electrical control pack (20) when the electrical control pack (20) is unplugged from the machine body; a communication board (70) located in the machine body and used for communicating with the electrical control pack (20); and a third switch (80), wherein a first end of the third switch (80) is connected to the communication board (70), a second end thereof is connected to the electrical control pack (20), and the third switch is used for connecting the communication board (70) to the electrical control pack (20) when the electrical control pack (20) is inserted into the machine body, and for disconnecting the communication board (70) from the electrical control pack (20) when the electrical control pack (20) is unplugged from the machine body, and when the electrical control pack (20) is unplugged from the machine body, the turning-off time of the third switch (80) is earlier than the turning-off time of the first switch (30), such that a sparking phenomenon occurring and there being a risk of electric shock when the electrical control pack (20) is unplugged from the machine body can be avoided.

IPC Classes  ?

• G05B 19/04 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers
• B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose

Abstract

Provided is a self-moving apparatus. The self-moving apparatus comprises: a housing; a moving module, which is arranged on the housing and used for driving the housing to move; a power module, which is used for driving the moving module to move; a working module, which is used for executing a preset working task; and a control module, which is used for controlling the moving module to automatically move and controlling the working module to automatically execute the preset working task. The housing comprises a body and a protective cover, the body is provided with an accommodating cavity with an inlet, and the protective cover is used for operably shielding the inlet; the accommodating cavity is used for accommodating an energy module for supplying power to the mobile module, the working module and the power module; and the protective cover can be operably opened or closed. The self-moving apparatus further comprises a detection module, the detection module is used for detecting whether the protective cover is in an open state, and when the detection module detects that the protective cover is in the open state, the control module controls the power module to not work. The self-moving apparatus can prevent damage being caused to a hardware circuit of the self-moving apparatus after the cover is opened to take out the energy module.

IPC Classes  ?

• G06F 1/30 - Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
• A01D 34/00 - MowersMowing apparatus of harvesters
• G06F 1/28 - Supervision thereof, e.g. detecting power-supply failure by out of limits supervision

Abstract

Disclosed are a sweeping robot (100) and a cleaning system thereof. The sweeping robot (100) comprises: a machine housing (1); a driving wheel set (4), which is used for driving the machine housing (1) to travel; a fan system (8), which is arranged on the machine housing (1) and is used for creating a suction force for garbage; a dirt-accommodating device (2) arranged on the machine housing (1) and used for accommodating the garbage; and a compression device (6), with the compression device (6) being used for compressing the garbage in the dirt-accommodating device (2). The dirt-accommodating device (2) comprises a dirt inlet (21), a first cavity (23) which is in communication with the dirt inlet (21) and a second cavity (24) which is in communication with the first cavity (23), and the compression device (6) can move in the dirt-accommodating device (2) to press the garbage in the first cavity (23) into the second cavity (24). The cleaning system can effectively reduce the user intervention frequency and improve the user experience.

IPC Classes  ?

• A47L 11/24 - Floor-sweeping machines, motor-driven

Abstract

Disclosed are a stop station, a robot system, and a control method of the robot system. The stop station comprises a stop station body (11) and a lifting device (12), wherein the lifting device (12) is connected to the stop station body (11) and moves in the height direction thereof under the action of a driving force, and an optical identification area (13) is arranged on the outer surface of the lifting device (12). The robot system comprises a robot body (2) and the stop station body (11), a signal scanning device (21) is arranged above the robot body (2), a signal scanning light path emitted by the signal scanning device (21) is parallel to the horizontal plane, and the height of the light path is the same as one of the heights which can be reached by the optical identification area (13). Therefore, the height of the optical identification area (13) can be adjusted by adjusting the height of the lifting device (12), and when the stop station is applied to a robot, the height of the optical identification area (13) can be adjusted to be the same as the height of the light path emitted by the signal scanning device (21) in the robot body (2), such that the signal scanning device (21) can accurately irradiate the optical identification area (13), thereby determining the position of the stop station.

IPC Classes  ?

• A47L 11/28 - Floor-scrubbing machines, motor-driven

Abstract

The present invention relates to a direct-current power supply, which can supply power to an electric power tool. The direct-current power supply comprises: an energy storage module, the nominal full charging voltage of which is a first preset voltage; an electronic device interface for receiving an externally connected power supply input, the power supply that is input from the electronic device interface being lower than the first preset voltage; and a charging circuit, which is connected to the electronic device interface and raises the power supply that is input from the electronic device interface to the first preset voltage in order to charge the energy storage module. When the charging circuit determines that the energy storage module is fully charged and stops charging, the capacity received by the energy storage module reaches 80% or above of the nominal capacity thereof. According to the present invention, even if the charging voltage that is output from an externally connected electronic device charger is lower than the full charging voltage of a direct-current device, the lower charging voltage can still be used to fully charge the direct-current power supply.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Abstract

A smart lawnmower and a cutting device (3). The smart lawnmower comprises: a casing (1), a moving assembly (2) used for driving the smart lawnmower to move, a cutting motor (32) used for providing a driving force for a cutting operation, and a cutting device (3) used for executing the cutting operation under the drive of the cutting motor (32). The cutting device (3) comprises: a cutting element (30), the cutting element (30) being movable under the drive of the cutting motor (32); and a protective structure (310) comprising a bottom protective member (312), the bottom protective member (312) being located below the cutting element (30) so as to establish a protective barrier below the cutting element (30); the protective structure (310) is stationary relative to the cutting element (30) in a direction of height; and at least when the cutting device (3) is lower than the casing (1), the protective structure (310) can drive, when being subjected to an external force from bottom to up, the cutting device (3) to move upwards relative to the casing (1). The smart lawnmower has relatively high safety and relatively good passability, is particularly suitable for a scenario where cutting to an edge needs to be ensured, and can better meet the comprehensive requirements of a user.

IPC Classes  ?

• A01D 34/74 - Cutting-height adjustment
• A01D 75/20 - Devices for protecting men or animals

Abstract

Disclosed are a cutting device (3) and an intelligent mower. The intelligent mower comprises: a housing (1), a moving assembly (2) used for driving the intelligent mower to move, a cutting electric motor (32) for providing a driving force for a cutting operation, and the cutting device (3) for performing the cutting operation under the driving of the cutting electric motor (32); the cutting device (3) comprises: a cutting member (30), wherein the cutting member (30) can be driven by the cutting electric motor (32) to move; and a protection structure (310) comprising a bottom protection (312), wherein the bottom protection (312) is located below the cutting member (30) to establish a protection barrier below the cutting member (30); the protection structure (310) is static relative to the cutting member (30) in a height direction; and at least in the case of the cutting device (3) being lower than the housing (1), when the protection structure (310) is subjected to an external force from the bottom to the top, the cutting device (3) can be driven to move upwards relative to the housing (1). The intelligent mower has a high safety and a good trafficability, is particularly suitable for scenarios in which there is need to ensure edge cutting, and can better meet the comprehensive requirements of users.

IPC Classes  ?

• A01D 34/63 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
• A01D 34/73 - Cutting apparatus
• A01D 34/82 - Other details

Abstract

Provided are a working method of a self-moving device (10), and an automatic working system. The working method of the self-moving device (10) may comprise: acquiring information of a base station (30) and directly determining, according to the information, whether the position of the base station (30) changes, or according to position information, determined by the self-moving device (10), of the self-moving device (10), determining whether the position of the base station (30) changes; and when it is determined that the position of the base station (30) changes, controlling the self-moving device (10) to stop moving, and/or stop working, so that whether the position of the base station (30) changes can be discovered efficiently and in a timely manner, and the self-moving device (10) is correspondingly controlled in a timely manner to prevent the self-moving device (10) from moving outside of a restricted working area (20), and the navigation and positioning accuracy of the self-moving device (10) during the moving and working process is improved.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions
• G01S 5/02 - Position-fixing by co-ordinating two or more direction or position-line determinationsPosition-fixing by co-ordinating two or more distance determinations using radio waves
• G01S 19/23 - Testing, monitoring, correcting or calibrating of a receiver element

Abstract

An automatic working system and a door control apparatus (1), which relate to the technical field of automatic control. The system comprises: a self-moving device (2) and a door control apparatus (1) used for automatically controlling a door through which the self-moving device (2) passes; related information of the self-moving device (2) is acquired by means of an information acquisition module (11) in the door control apparatus (1); and a control module (12) automatically controls the opening and closing as well as the opening degree of the door according to the related information of the self-moving device (2). The problem in which the door passing efficiency of an intelligent garbage can is low due to the working mode of existing door control apparatuses (1) can be solved. The door control apparatus (1) can automatically acquire related information of the self-moving device (2), and controls the operation of the door on the basis of the related information without manual participation in the whole process, thus the efficiency of the self-moving device (2) passing through the door can be improved. Meanwhile, by controlling the opening degree of the door, the self-moving device (2) is allowed to pass through, and objects larger than the self-moving device (2) are intercepted. Therefore, foreign objects larger than the self-moving device (2) can be prevented from entering the door, and safety within the door is thus guaranteed.

IPC Classes  ?

• B25J 9/16 - Programme controls

Abstract

A lawn mowing method for an intelligent lawn mower (200), for use in mowing a lawn in an operation range defined by a boundary. The method comprises the following steps: traveling toward the boundary in a first direction perpendicular the boundary; retreating when the boundary is detected for the first time, and steering according to a predetermined radius in the process of retreating, so that the retreating direction of the lawn mower (200) is consistent with a second direction perpendicular the boundary, wherein the second direction is opposite to the first direction; switching to traveling again toward the boundary in the first direction; and when the boundary is detected for the second time, switching to traveling in the second direction until the next boundary is detected. By adopting a synchronized steering mode in the process of retreating, the abrasion on the lawn can be reduced, so as to achieve the effect of preventing lawn abrasion, and reverse mowing is performed again after retreating and steering are completed, so as to reduce missed areas and ensure the mowing efficiency. In addition, further provided is an intelligent lawn mower capable of implementing the lawn mowing method.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions
• A01D 34/00 - MowersMowing apparatus of harvesters

Abstract

A cleaning medium mounting module (300), a device for providing a cleaning medium (400) and an automatic cleaning system. The device for providing the cleaning medium (400) comprises: the cleaning medium mounting module (300) which comprises a reel (302) and the cleaning medium (400) wound around the reel (302), wherein a first matching structure is arranged at the end part of the reel (302); and a base station (200) providing parking space for a cleaning robot (100), comprising a storage space (205) for containing the cleaning medium mounting module (300), wherein a supporting member is arranged in the storage space (205), and a second matching structure which detachably cooperates with the first matching structure is arranged on the supporting member; and when the first matching structure cooperates with the second matching structure, the reel (302) can rotate relative to the supporting member to release the cleaning medium (400) to facilitate mounting by the cleaning robot (100). The device for providing the cleaning medium (400) can achieve unique matching between the cleaning medium (400) and the base station (200).

IPC Classes  ?

• A47L 11/28 - Floor-scrubbing machines, motor-driven
• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
• A47K 10/24 - Towel dispensersToilet paper dispensers

Abstract

An adapter (100) of an electric tool and an electric tool system, relating to the field of electric tools. The adapter (100) of an electric tool comprises: a housing (1) having a first opening (11); a control module (2) used for controlling working parameters of a brushless motor of an electric tool (200); a first plug-in structure (3) provided in the housing (1) at the position corresponding to the first opening (11) and used for plug-in with the electric tool (200), the first plug-in structure (3) being electrically connected to the control module (2); and a shielding mechanism switching between a shielding state and an open state. When the adapter (100) is plugged into the electric tool (200), the shielding mechanism is in the open state, and the first opening (11) is open. When the adapter (100) is disconnected from the electric tool (200), the shielding mechanism is in the shielding state, and the first opening (11) is shielded. The shielding mechanism comprises a shielding member (4) and a reset member (5). The adapter (100) further comprises a switch unit (6) and an input wire (7). The adapter (100) can prevent dust, impurities and the like from entering a connecting socket, thereby effectively improving the safety factor.

IPC Classes  ?

• H02P 7/28 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Abstract

Disclosed is a cleaning robot (100), comprising: a machine body (110); a walking module supporting the machine body (110) and driving the cleaning robot (100) to move on a working surface; a cleaning module (120) used for being mounted at the bottom of the machine body (110) to perform cleaning work on the working surface; and a control module controlling the walking module to drive the cleaning robot (100) to move. A pivoting part (150) is arranged between the cleaning module (120) and the bottom of the machine body (110), and the cleaning module (120) can pivot, with respect to the machine body (110), by means of the pivoting part (150). The pivoting part (150) comprises a first pivoting shaft (151), the pivoting shaft (151) being approximately parallel to the longitudinal axis of the machine body (110), and the cleaning module (120) can swing around the first pivoting shaft (151) under an external force.

IPC Classes  ?

• A47L 11/24 - Floor-sweeping machines, motor-driven
• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
• A47L 11/284 - Floor-scrubbing machines, motor-driven having reciprocating tools

Abstract

A working accessory (60), comprising: a working end (200) and a mounting plate (100); a first coupling part (1) for coupling to a first multi-function machine and a second coupling part (2) for coupling to a second multi-function machine are provided on the mounting plate (100); the first coupling part (1) and the second coupling part (2) are roughly arranged along the length direction of the working accessory (60); and at least one among the first coupling part (1) and second coupling part (2) is provided with an embedded protrusion (20) that protrudes from the mounting plate (100) or is recessed on the mounting plate (100) so as to form an embedded groove. The present invention also relates to a multi-function machine that comprises said working accessory (60). The multi-function machine and the working accessory (60) thereof may improve the applicability of the working accessory (60).

IPC Classes  ?

• B25F 3/00 - Associations of tools for different working operations with one portable power-drive meansAdapters therefor
• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Abstract

An automatic lawn mower (1), comprising: a housing (10); a moving module used for driving the automatic lawn mower to move; a cutting mechanism (3) configured in the housing and used for executing a cutting task; and a control module used for autonomously controlling the moving module to drive the automatic lawn mower to move and autonomously controlling the cutting mechanism to execute a cutting task. The automatic lawn mower further comprises a protection part (4) located at the outer side of the side of the moving module distant from the center of the automatic lawn mower in a front-rear direction of the automatic lawn mower, and a connection member (5) connecting the connection part to the housing, and the protection part further comprises a main protection region (41) located at the side of the protection part distant from the center of the automatic lawn mower and used for blocking a foreign object.

IPC Classes  ?

• A01D 34/66 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
• A01D 34/82 - Other details

Abstract

Disclosed are a control device, an electric tool and an electric tool system. The electric tool system comprises: the electric tool and the control device (17), wherein the electric tool comprises a machine shell (11) and a brushless electric motor accommodated in the machine shell (11); and the control device (17) comprises a shell (12) and a control module accommodated in the shell (12), the control device (17) is detachably connected to the electric tool, and the control module is used for controlling the working parameters of the brushless electric motor. The electric tool system also comprises a vibration reduction module arranged between the machine shell (11) and the shell (12); the vibration reduction module comprises an elastic vibration reduction member (21) arranged between the machine shell (11) and the shell (12); and the vibration reduction module comprises a fastening structure used for preventing relative displacement after the control device (17) is connected to the electric tool. Wear is reduced by means of the vibration reduction module, thereby avoiding electrode sparking of the control device (17) and prolonging the service life thereof.

IPC Classes  ?

• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• B25D 17/24 - Damping the reaction force

Abstract

A self-moving device. The self-moving device comprises a body (10), a movement assembly (20) used for driving the body (10) to move, a connection assembly (30) used for connecting the movement assembly (20) with the body (10), an adaption portion provided on the body (10) and used for selectively mounting at least one of working apparatuses of at least two different types of work, and a control system provided in the body (10) and used for controlling the movement assembly (20) to automatically operate and controlling the working apparatus mounted on the body (10) to automatically work. The movement assembly (20) can generate a displacement in a vertical direction with respect to the body (10) under the action of an external force. The self-moving device can perform self-adjustment according to unevenness of the ground, so as to move stably, and can adapt to different working scenarios, meet different requirements, and also help reduce waste of resources and reduce accommodation space.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A smart lawn mower (100), comprising a housing (110), and a moving unit, a cutting assembly (130), a control circuit (210), and a height adjustment module (120) that are mounted on the housing (110); the height adjustment module (120) comprises: a support rack (160), which supports the cutting assembly (130) and can drive the cutting assembly (130) to move vertically, and a lifting part is provided on the support rack (160); also comprised is a drive member (150), a drive part is provided on the drive member (150), and the drive part and the lifting part are fittedly connected; the movement of the drive part drives the lifting part to move vertically, thereby driving the cutting assembly (130) on the support rack (160) to move vertically; the drive part and the lifting part are laterally located at the middle of the support rack (160), and at least part of the drive part is located within an area that is enclosed and formed by the projection of the support rack (160) on the working plane. The described lawn mower has the effects of a simple structure, low costs and uniform torque adjustment.

IPC Classes  ?

• A01D 34/74 - Cutting-height adjustment

Abstract

A smart grass cutter (100), comprising: a housing (120); a locomotion module (150), used for driving the smart grass cutter (100) to move; a cutting module (170), used for executing a cutting operation; an energy module (140), used for providing the smart grass cutter (100) with energy; a control module (160), electrically connected to the locomotion module (150) and the cutting module (170), and controlling the smart grass cutter (100) to move and operate within an operation area; a sensor mounting compartment (130) arranged on the housing (120), and a sensor assembly (200) detachably mounted in the sensor mounting compartment (130), the sensor assembly (200) being capable of sensing specific operating conditions in the operation area, and controlling, via the control module (160), the smart grass cutter (100) to execute corresponding actions. At least one of the sensor mounting compartment (130) and the sensor assembly (200) comprises a heat dissipation assembly, and heat dissipation treatment is performed on the sensor assembly (200), so as to prevent the temperature thereof from being too high and affecting the operating effect.

IPC Classes  ?

• A01D 34/00 - MowersMowing apparatus of harvesters

Abstract

A smart grass cutter (100), capable of moving and operating within an operation area defined by a boundary, and comprising: a housing (120); a locomotion module (150), used for driving the smart grass cutter to move; a cutting module (170), used for executing a cutting operation; an energy module (140), used for providing the smart grass cutter with energy; a control module (160), electrically connected to the locomotion module and the cutting module, and controlling the smart grass cutter to move and operate within the operation area. The smart grass cutter also comprises a sensor mounting compartment (130) arranged on the housing, the sensor mounting compartment being used for mounting a sensor module (200), the sensor mounting compartment being configured to have a first operating position and a second operating position different from the first operating position. The smart grass cutter has good adaptability, and the sensor module mounted in the sensor mounting compartment can have the different operating positions, so as to implement different operating effects.

IPC Classes  ?

• A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
• A01B 45/00 - Machines for treating meadows or lawns

Abstract

The invention relates to an air nailer, comprising: a housing, a cylinder assembly, and a balance valve (25). The housing further comprises a handle cavity (11), a high-pressure cavity (213), a balance cavity (214), a reset cavity (215), and an air discharge cavity (216). The balance valve (25) is movably provided between the balance cavity (214) and the high-pressure cavity (213), and has at least two positions. In a first position, an opening (224) of a cylinder body communicates with the high-pressure cavity (213), and the opening (224) of the cylinder body is isolated from the air discharge cavity (216). In a second position, the opening (224) is isolated from the high-pressure cavity (213), and the interior of the cylinder body communicates with the air discharge cavity (216) via the opening (224). A first air flow channel (7) used to communicate with the reset cavity (215) and the air discharge cavity (216) is further provided on the air nailer. After nailing is completed, high-pressure air in the cylinder body flows into the reset cavity (215) via the air discharge cavity (216) and the first air flow channel (7) to prepare for piston reset. Compared with the prior art, no additional high-pressure air needs to be provided to the reset cavity, and the high-pressure air used to reset the piston is the same high-pressure air for driving the piston to perform nailing, thereby improving an air utilization rate.

IPC Classes  ?

• B25C 1/04 - Hand-held nailing toolsNail feeding devices therefor operated by fluid pressure

Abstract

A self-moving device and a control method thereof. The self-moving device comprises an image blur analysis module and an image blur parameter obtaining module. An image blur parameter obtained by the image blur parameter obtaining module and capable of representing image blurring is analyzed; whether an image blur parameter value exceeds a blur parameter threshold is determined; if yes, a master control module controls the self-moving device to reduce a moving speed thereof. According to the self-moving device and the control method thereof, by analyzing and obtaining an image blur parameter capable of representing image blurring, a moving speed of a self-moving device can be automatically adjusted, so that the quality of an image acquired by an image acquisition means is improved, and the accuracy of a detection result is improved.

IPC Classes  ?

• H04N 5/232 - Devices for controlling television cameras, e.g. remote control

Abstract

Provided is a method for controlling a self-moving device (1) edgewise. The self-moving device (1) moves and works in a working area (7). The control method comprises: acquiring a digital image of a working surface of a self-moving device (1); processing the digital image on the basis of a trained neural network to acquire an image to be analyzed; identifying a boundary (3) of the working area (7) on the basis of the image to be analyzed; and controlling the distance between the self-moving device (1) and the boundary (3) of the working area (7) to control the self-moving device (1) to move along the boundary (3) of the working area (7), thereby improving the working efficiency of the self-moving device (1).

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A self-moving device (100). The self-moving device (100) comprises an edgewise mode (108). In the edgewise mode (108), a control module (101) is configured to: according to an environmental image (300) collected by an image collection apparatus (140), analyze whether there is a working area boundary in the environmental image (300); when there is no working area boundary in the environmental image (300), control a movement module (130) to move according to preset edge finding logic, so as to find a working area boundary; and when there is a working area boundary in the environmental image (300), divide the environmental image (300) into N sub-images and analyze whether there is a working area boundary in each sub-image, respectively fit the working area boundary in each sub-image where there is a working area boundary, so as to form a straight line, generate parameters of the straight line, and control, according to the parameters, the self-moving device (100) to move and work along the working area boundary, wherein N ≥ 2.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A self-moving device (100), comprising: a housing (110), a moving module (130), a working module (102), an image collecting apparatus (140), and a control module (101) which is used to autonomously control the moving module (130) to drive the housing (110) to move, and which autonomously controls the working module (102) to execute a preset working task. The self-moving device (100) comprises an edge mode, and in the edge mode, the control module (101) is configured to: according to environmental images, collected by the image collecting apparatus (140), of where same is located, determine whether the ratio of non-working region to working region in the environmental images exceeds a threshold, and if exceeding, then perform boundary fitting on the working region in the environmental images to form a fit boundary line (31); generate a target point (D) according to the fit boundary line (31); control the self-moving device (100) to move to the target point (D); and control the self-moving device (100) to move along the boundary of the working region.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

An automatic operation system, comprising a smart grass cutter (100), the smart grass cutter (100) comprising: a housing (120); a locomotion module (150), used for driving the smart grass cutter (100) to move; a cutting module (170), used for executing a cutting operation; an energy module (140), used for providing the smart grass cutter (100) with energy; an image collection module, used for collecting image information near the smart grass cutter (100), and according to the collected image information, controlling the smart grass cutter (100) to move and/or operate; a control module (160), electrically connected to the locomotion module (150), the cutting module (170) and the image collection module, and used for controlling the smart grass cutter (100) to move and/or operate within an operation area. The smart grass cutter (100) comprises at least two operating modes, and when respectively operating under the at least two operating modes, the image collection module has at least two operating positions with respect to the housing (120). The smart grass cutter (100) has good adaptability, and the image collection module can have the different operating positions, so as to implement different operating effects.

IPC Classes  ?

• A01D 34/00 - MowersMowing apparatus of harvesters
• G05D 1/02 - Control of position or course in two dimensions

Abstract

A self-moving apparatus, comprising a housing (120), a walking module (150), a working module (17), a control module (160), an electrical assembly (22), a protective shell (23) covering the electrical assembly (22) to prevent water from entering the electrical assembly (22), and a heat dissipation assembly (3) for conducting heat generated by the electrical assembly (22) to the outside of the protective shell (23). The heat dissipation assembly (3) comprises a front-end heat dissipation assembly (31) arranged inside the protective shell (23) and a rear-end heat dissipation assembly (32) at least partially exposed to the outside of the protective shell (23). The front-end heat dissipation assembly (31) is connected to the electrical assembly (22) and the rear-end heat dissipation assembly (32) so as to conduct the heat from the electrical assembly (22) to the rear-end heat dissipation assembly (32). One end of the rear-end heat dissipation assembly (32) contacts the front-end heat dissipation assembly (31), and the other end contacts a flowing medium so as to conduct the heat from the rear-end heat dissipation assembly (32) to the outside of the protective shell (23), thereby avoiding the performance degradation or burning-out of the electrical assembly (22).

IPC Classes  ?

• A01D 34/00 - MowersMowing apparatus of harvesters
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• G06F 1/20 - Cooling means

Abstract

A map creating method and apparatus for an autonomous robot (100), a device and a storage medium. The map creating method for the autonomous robot (100) comprises: acquiring an initial map selected from within a target database, the initial map comprising an initial boundary (S111); making the autonomous robot (100) execute boundary measuring so as to acquire an actually-measured boundary, wherein the positioning accuracy of the autonomous robot (100) meets a preset condition (S112); and correcting the initial boundary according to the actually-measured boundary (S113). The map creating method for the autonomous robot (100) can increase the map creation accuracy and map creation efficiency of the autonomous robot (100).

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

The present invention relates to a self-moving device, comprising: a housing; a moving means mounted on the housing and used for driving the self-moving device to move; and a working means mounted on the housing and used for performing a work task. The self-moving device further comprises: an image acquisition means used for obtaining image information of the working environment of the self-moving device; and a light source system used for performing irradiation work. The self-moving device further comprises a main control module connected to the moving means, the working means, the image acquisition means, and the light source system, and used for controlling the movement and work of the self-moving device. The irradiation range projected by the light source system on the working environment covers the field of view range of the field of view angle of the image acquisition means captured on the working environment. According to the self-moving device provided by the present invention, the light source system provides sufficient light supplement for the image acquisition means, so that the image acquired by the image acquisition means is of high quality, and the detection result is accurate, thereby enabling the self-moving device to obtain better image quality during both day and night.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A base station sharing method and system for autonomous robots, and a storage medium. The system comprises: a reference station (10) disposed at a fixed location in a surrounding environment of a first autonomous robot, and configured to receive a satellite signal and to output a differential message according to the satellite signal; a first mobile station (20) disposed at the first autonomous robot, and configured to receive the differential message, and to perform differential positioning according to the differential message and a satellite signal received by the first mobile station (20) itself; at least one second mobile station (60) disposed at a corresponding second autonomous robot; and a first gateway (30) disposed at the side of the reference station (10), and configured to provide, via a communication network, the differential message to the second mobile station (60), so as to enable the second mobile station (60) to perform differential positioning. The method can reduce the costs of implementing differential positioning of autonomous robots.

IPC Classes  ?

• G01S 19/43 - Determining position using carrier phase measurements, e.g. kinematic positioningDetermining position using long or short baseline interferometry
• G01S 19/41 - Differential correction, e.g. DGPS [differential GPS]

Abstract

The present invention relates to an image acquisition system, which is applied to a self-moving device. The image acquisition system comprises: an image acquisition module for acquiring image information of the working environment of the self-moving device; a light source module, the light source module comprising a first light source and a second light source, wherein the first light source is used to provide illumination for the image acquisition module, and the second light source is used to attract phototropic flying insects; and a control module, electrically connected to the image acquisition module, a light sensor and the light source module, and used to control, according to the working state of the first light source and/or the image information, the second light source to be turned on or to be turned on when a preset condition is satisfied. By means of the image acquisition system provided in the present invention, phototropic flying insects can be attracted to the side far away from an image acquisition module, so as to prevent the flying insects from affecting the normal working of the image acquisition module.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for

Abstract

Provided are a self-moving device (100) and an automatic moving and working method therefor, and a storage medium. The automatic moving and working method for the self-moving device (100) comprises: a collection step: while the self-moving device (100) automatically moves and works on the basis of an initial data model, automatically collecting environmental images by means of an image collection device (140) to form an environmental image set including several environmental images (S501); a selection step: defining environmental images, which include the elements of an updated data model, in the environmental image set as target images, and selecting the target images in the environmental image set to generate a target image set (S502); and an acquisition step: acquiring the updated data model generated on the basis of the target image set, and controlling the self-moving device (100) to automatically move and work on the basis of the updated data model (S503).

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

Provided are a base station sharing method and system of an autonomous robot, and a storage medium. The system comprises: a base station (10), configured at a fixed location around a first autonomous robot and used for receiving a satellite signal and outputting differential telegraph text on this basis; a first mobile station (20), configured on the first autonomous robot and used for receiving the differential telegraph text, and performing differential positioning according to the differential telegraph text and the satellite signal received by the first mobile station per se; at least one second mobile station (60), configured on a corresponding second autonomous robot; and a first gateway (30), configured on the base station (10) side and used for providing the differential telegraph text for the second mobile station (60) by means of a communication network for differential positioning by the second mobile station (60). The method can reduce costs of differential positioning of autonomous robots.

IPC Classes  ?

• G01S 19/43 - Determining position using carrier phase measurements, e.g. kinematic positioningDetermining position using long or short baseline interferometry
• G01S 19/41 - Differential correction, e.g. DGPS [differential GPS]
• H04W 4/02 - Services making use of location information

Abstract

Disclosed are an electric motor rotor balance detection device and an electric motor rotor balance detection method and apparatus. The device comprises: an inductor (1), a vibration sensor (2), a processor (3), and a support frame (4), wherein the support frame (4) is used for placing an electric motor rotor; the electric motor rotor comprises an armature, a concentric shaft arranged at one end of the armature and concentrically arranged with the armature, and an eccentric shaft arranged at the end of the concentric shaft and eccentrically arranged with the concentric shaft; a notch is provided in an outer wall of the concentric shaft; the inductor (1) is arranged outside the support frame (4); when the electric motor rotor is placed on the support frame (4), the inductor (1) corresponds to the notch and is used for measuring the position of the notch and the eccentric angle of the concentric shaft with the notch; the vibration sensor (2) is arranged under the armature; and the processor (3) is connected to the inductor (1) and the vibration sensor (2) to determine the unbalanced amount of the electric motor rotor. The unbalanced amount of the rotor is measured by means of the inductor (1) and the vibration sensor (2) without use of a counterweight block, thereby being more convenient, faster and safer.

IPC Classes  ?

• G01M 1/16 - Determining imbalance by oscillating or rotating the body to be tested

Abstract

A base station (200) for a cleaning robot (100). The base station comprises a base (253), a charge module arranged on the base (253) and used for charging the cleaning robot (100), a storage module (210) provided with a storage space (215) and used for storing a mopping module (310) of the cleaning robot (100), a storage state monitoring module (360) used for monitoring whether a storage state in the storage space (215) is a preset state, a reminder module used for sending reminder information which indicates that the storage state in the storage space (215) is the preset state, and a control module used for controlling, according to a monitoring result of the storage state monitoring module (360), the reminder module to send the reminder information to the outside.

IPC Classes  ?

• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers

Abstract

Provided are a cleaning module (100), a cleaning robot and a cleaning system, wherein the cleaning module (100) comprises a first bracket (1); a second bracket (2) detachably connected to the first bracket (1), having a connected state in which the second bracket (2) is connected to the first bracket (1) to clamp a cleaning medium (3) between the second bracket (2) and the first bracket (1), and a disconnected state in which the second bracket (2) is at least partially disconnected from the first bracket (1) to release the cleaning medium (3); a clutch executing component (4) arranged on the first bracket (1) and used for driving the second bracket (2) to switch between the connected state and the disconnected state. The cleaning module (100) can automatically realize the replacement of the cleaning medium (3) without user intervention, and thus provides good user experience.

IPC Classes  ?

• A47L 11/28 - Floor-scrubbing machines, motor-driven
• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers

Abstract

A map data sending method and apparatus, a map data display method and apparatus, a device, and a storage medium. The map data sending method comprises: a robot (110) acquires feature information of positioning signals on multiple boundary location points, the multiple boundary location points being used for fitting a map boundary (S210); the robot (110) marks, on map data, boundary location points where the feature information satisfies a preset condition (S220); and the robot (110) sends the marked map data to a terminal (120) (S230). The map data display method comprises: receiving map data, the map data comprising boundary data, the boundary data comprising abnormal boundary data marked with specific information and normal boundary data other than the abnormal boundary data (S910); and during the display of the map data, differentially displaying the normal boundary data and the abnormal boundary data (S920). According to the method, the abnormal signal part of the map boundary can be conveniently and accurately determined and displayed, thereby avoiding the problem that a machine cannot work normally due to a poor signal.

IPC Classes  ?

• G06F 16/29 - Geographical information databases

Abstract

Provided in the embodiments of the present specification are an autonomous robot, a wireless charging and docking method and apparatus therefor, and a storage medium. The method comprises: when the electric quantity of the autonomous robot is lower than an electric quantity threshold, making the autonomous robot return to within a wireless energy signal boundary of a wireless charging station; enabling the autonomous robot to move in the manner of a chord that forms the wireless energy signal boundary, and acquiring an energy signal first maximum value recorded during the movement; determining whether the position corresponding to the energy signal first maximum value is a charging position; and when the position corresponding to the energy signal first maximum value is not the charging position, enabling the autonomous robot to continue to move in the manner of the chord that forms the wireless energy signal boundary, and continuing to search for the charging position, wherein the chords formed by respective movements are parallel to each other. In the embodiments of the present specification, the costs of the autonomous robot returning to the wireless charging station for docking and charging may be reduced, and the user experience may be improved.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions
• H02J 50/90 - Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

Abstract

An autonomous robot (100) and a control method thereof, and a computer storage medium. The invention enables an autonomous robot (100) to move along a boundary when no boundary line is provided. The method comprises: when an autonomous robot (100) meets a boundary-following movement trigger condition, causing the autonomous robot (100) to move randomly to detect a boundary; when the autonomous robot (100) detects a boundary, causing the autonomous robot (100) to perform a first boundary action to determine a boundary type of the boundary, the boundary type comprising an inner boundary and an outer boundary; and causing the autonomous robot (100) to perform a second boundary action according to the boundary type and the boundary-following movement trigger condition so as to perform a boundary task.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A base station for storing a ground cleaning robot and a ground cleaning robot system, relating to the field of household appliances. The base station for storing the ground cleaning robot comprises: a body (1), an accommodating cavity (11) for accommodating the ground cleaning robot being provided in the body (1), and the body (1) being provided with an opening (12) for allowing the ground cleaning robot to enter the accommodating cavity (11); a shielding mechanism (2) mounted on the body (1), the shielding mechanism (2) being capable of shielding the opening (12) so that the opening (12) has an open state and a closed state; and a detection mechanism, the detection mechanism being capable of detecting whether a foreign matter exists in the accommodating cavity (11), the detection mechanism comprising a transmitting unit (31) and a receiving unit (32), and the receiving unit (32) being configured to receive a signal sent by the transmitting unit (31) and passing through the accommodating cavity (11). Foreign matter detection can be performed on the interior of the base station, and a foreign matter can be prevented from entering the base station when the ground cleaning robot works.

IPC Classes  ?

• A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
• A47L 11/24 - Floor-sweeping machines, motor-driven

Abstract

A self-moving device (20) and a working method therefor. The self-moving device (20) comprises: a first control module and a second control module, wherein the first control module and the second control module are configured to communicate with each other to work cooperatively so as to control a moving mechanism (37) and a working module; the second control module is configured to control the self-moving device (20) to execute a safety assurance operation and perform self-check on hardware and a control program related to the control and running of the safety assurance operation; and in the first control module and the second control module, only the second control module executes, according to a preset plan, self-check in a working process of the self-moving device (20). The self-moving device (20) has a high safety performance.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A map data sending method and apparatus, a map data display method and apparatus, a device, and a storage medium. The map data sending method comprises: a robot acquires feature information of positioning signals at multiple boundary location points, the multiple boundary location points being used for fitting a map boundary (S210); mark, on map data, boundary location points having feature information meeting a preset condition (S220); and send the marked map data to a terminal (S230). The map data display method comprises: receiving map data, the map data comprising boundary data, and the boundary data comprising abnormal boundary data with specific information marked and normal boundary data other than the abnormal boundary data; and when displaying the map data, distinguishingly displaying the normal boundary data and the abnormal boundary data (S240). The use of the method can conveniently and accurately determine and display the part of a map boundary having abnormal signals, thereby avoiding the problem that a machine cannot work normally due to poor signals.

IPC Classes  ?

• G06F 16/29 - Geographical information databases

Abstract

An electric hammer (10), comprising: an electric motor (9); an output shaft (93) configured to mate with a working head (83); a motion conversion mechanism, comprising an intermediate shaft (3), a gear mechanism and a motion conversion member (6) sleeved on the intermediate shaft, the intermediate shaft selectively moving along the axial direction thereof to a first position, a second position and a third position; and an impact mechanism, comprising an impact member (8) for receiving power from the motion conversion member and reciprocating along an output axis. The electric hammer further comprises a support mechanism (2) for supporting the impact member to reciprocate, and a support bearing (4) for supporting the intermediate shaft, and when the intermediate shaft is in the third position, the working head only outputs the rotation, and the support bearing is in support contact with the support mechanism. Thus, by means of the cooperation between the support mechanism and the support bearing, it can be ensured that the support bearing and the support mechanism are supported together, so as to prevent the failure of the support bearing, thereby prolonging the service life of the support bearing, further prolonging the service life of an electric hammer.

IPC Classes  ?

• B25D 16/00 - Portable percussive machines with superimposed rotation

Abstract

A mobile device (100) moving on a surface of a working area, comprising a machine body (10) and a tire (20) connected to the machine body (10) to drive the mobile device (100) to move, the tire (20) comprising a hub member (21) which is provided in the middle of the tire (20) and rotates about a wheel shaft (217), a carcass member (22) detachably connected to the hub member (21), and a fixing member (23) used for fixing the carcass member (22) and the hub member (21), the fixing member (23) being provided on the outer side of the tire (20). By providing the fixing member on the outer side of the tire, when the carcass member and the hub member need to be detached, it is unnecessary to detach the whole tire from the mobile device, and the carcass member and the hub member can be detached merely by first detaching the fixing member, being convenient and quick.

IPC Classes  ?

• B60C 7/24 - Non-inflatable or solid tyres characterised by means for securing tyres on rim or wheel body
• B60B 19/00 - Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
• A01D 34/86 - MowersMowing apparatus of harvesters specially adapted for particular purposes for use on sloping ground, e.g. on embankments

Abstract

A working map construction method and apparatus, a robot, and a storage medium. The method comprises: determining the walking path when the robot walks forwards as a first forward walking path (S110); after the robot walks backwards, determining the position at which the robot changes from walking backwards to walking forwards again as a correction position (S120); when the correction position is not on the first forward walking path, determining, according to the correction position, an auxiliary position on the first forward walking path (S130); and determining, according to the correction position and the auxiliary position, a correction path, so as to construct, according to the correction path and the first forward walking path, a working map of the robot (S140). The working map construction method realizes a correction function during the process of constructing the working map, which improves the construction efficiency of the working map.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A base station for storing a ground cleaning robot, and a ground cleaning robot system, relating to the field of household appliances, capable of detecting a foreign object in the base station, and preventing a foreign object from entering the base station when a ground cleaning robot works. The base station for storing a ground cleaning robot comprises: a main body (1), the main body (1) being provided therein with an accommodating cavity (11) used for accommodating a ground cleaning robot, and the main body (1) being provided with an opening (12) for the ground cleaning robot to enter the accommodating cavity (11); a shielding mechanism (2) mounted on the main body (1), the shielding mechanism (2) being capable of shielding the opening (12) so that the opening (12) has an open state and a closed state; and a detection mechanism, the detection mechanism being capable of detecting whether there is a foreign object in the accommodating cavity (11), the detection mechanism comprising a transmitting unit (31) and a receiving unit (32), and the receiving unit (32) being used for receiving a signal sent by the transmitting unit (31) and passing through the accommodating cavity (11).

IPC Classes  ?

• A47L 11/24 - Floor-sweeping machines, motor-driven

Abstract

A spray gun and a spray gun system, which relate to the technical field of electric tools, the spray gun comprising: an airbrush (11), a nozzle (10) being provided on the airbrush (11); a machine body (12), which is detachably connected to the airbrush (11), a first interface (15) being provided on the machine body (12), and the first interface (15) being used for connecting to an external direct current power supply by means of a cable (33); an air pump (13), which is housed within the machine body (12) and used for providing a compressed gas to the airbrush (11); and a motor (14), which is transmissionally connected to the air pump (13) and used for driving the air pump (13) to work, the motor (14) being electrically connected to the first interface (15). The spray gun is small and light, and the battery life of a spray gun system is effectively increased.

IPC Classes  ?

• B05B 9/04 - Spraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible containerSpraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pump

Abstract

A control device (12) and an electric power tool (11) system. The control device is used for being adapted to various electric power tools, and the control device comprises: a first shell (15); a battery pack mounting part (25); a first control unit (120), which is provided in the first shell and is used for cutting off power transmission from a battery pack (27) to an electric power tool when the battery pack is abnormal; a first user operation unit (121), which is arranged on the first shell and is operated by a user to control the electric power tool; and a first interface (21), which is electrically connected to the first user operation unit. The electric power tool system comprises the control device and the electric power tool. The control device can be adapted to different types of electric power tools, and the control device in the electric power tool system is not provided with a control portion used for adjusting working parameters of the electric power tool, such that the control device can more flexibly match an upgraded new electric power tool, the application range is improved, and the applicability is high.

IPC Classes  ?

• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• B25F 5/02 - Construction of casings, bodies or handles
• A47L 5/14 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning

Abstract

Provided is an electric tool, including: a working accessory for realizing working functions; a motor for driving the working accessory; a transmission mechanism connecting the motor and the working accessory; a housing (5) including a gear box (41) for accommodating the transmission mechanism and a motor housing (53) for accommodating the motor; the motor includes: a motor shaft (30), the motor shaft (30) has a front end close to the transmission mechanism and a rear end deviating from the front end along the axial direction; a stator (35) which is fixed relative to the housing (5), the stator (35) includes a cavity for the motor shaft (30) to pass through; a rotor (36) which is sleeved on the periphery of the stator (35) and drives the motor shaft (30) to rotate; a first bearing (31) supporting the front end of the motor shaft (30); a second bearing (32) which is located between the front end and the rear end of the motor shaft (30), and supports the motor shaft (30) within the range of the axial width of the stator (35); and a third bearing (33) supporting the rear end of the motor shaft (30) on the housing (5). The electric tool can achieve low vibration, prolong the service life of the machine, and have strong practicability when the outer rotor motor is used for cutting operations.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 7/08 - Structural association with bearings

Abstract

A sprayer, comprising a barrel (2) which is provided with a connection port (201) having an axis direction; a main engine (1) which comprises an air generation mechanism having an air outlet end provided with a connection member (3) capable of being inserted into the connection port (201) and moving in the axis direction, wherein the connection member (3) comprises a first retaining portion (301) communicated with the air outlet end of the air generation mechanism and an air guiding channel of the barrel and provided on an outer wall of the connection member; and a retaining mechanism having one end detachably connected to the barrel (2) and the other end provided with a second retaining portion (1002) working in conjunction to the first retaining portion (301). When the retaining mechanism is connected to the barrel (2), the retaining mechanism and the barrel (2) are fixed at least in the axis direction; when the connection member (3) is at a working position in the connection port (201), the first retaining portion (301) works in conjunction to the second retaining portion (1002) to suppress the movement of the connection member (3) towards a direction facing away the barrel (2) in the connection port (201). The sprayer enables one main engine (1) to be adaptive to multiple different barrels (2), and has good universality.

IPC Classes  ?

• B05B 11/00 - Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
• A45D 34/00 - Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes

Abstract

An autonomous robot (100) and a control method therefor, and a computer storage medium. The autonomous robot (100) comprises a walking mechanism and a control apparatus, and the autonomous robot (100) is further provided with at least two border sensors having different detection directions, wherein the border sensors are used for outputting border signals to the control apparatus when detecting that the autonomous robot (100) reaches the border of a working area (200); and the control apparatus is used for controlling the walking mechanism of the autonomous robot (100) according to the border signals, so as to limit the movement of the autonomous robot (100) within the working area (200) (S152). The movement range of the autonomous robot (100) is limited to within the working area (200) without the need to install a border line.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A self-moving gardening apparatus (1), which comprises a machine body (11) and a grass trimming mechanism (12) installed on the machine body (11), wherein the grass trimming mechanism (12) comprises a rotary shaft (151) and a cutting device (122) installed on the rotary shaft (151). The self-moving gardening apparatus further comprises a telescopic mechanism (14) arranged on the machine body (11) and used for driving the grass trimming mechanism (12), wherein the machine body (11) is provided with a groove (111) and an actuating member (112) capable of being inserted into the groove (111); and when the actuating member (112) is inserted into the groove (111), the telescopic mechanism (14) is driven to deform or move, such that the telescopic mechanism (14) drives the grass trimming mechanism (12) to move into the machine body (11), and after the actuating member (112) is pulled out of the groove (111), the telescopic mechanism (14) drives the grass trimming mechanism (12) to move out of the machine body (11). The self-moving gardening apparatus (1) further comprises a protection mechanism (13) arranged on the outside of the cutting device (122), wherein after pressure is applied to the protection mechanism (13), the protection mechanism drives the cutting device (122) to move and makes the telescopic mechanism (14) undergo deformation; and after the pressure on the protection mechanism (13) is removed, the telescopic mechanism (14) drives the grass trimming mechanism (12) to return to a first position. The self-moving gardening apparatus (1) has a high safety performance, is simple to operate, is labor-saving, has a better mowing effect and fully meets the requirements of a user.

IPC Classes  ?

• A01D 67/00 - Undercarriages or frames specially adapted for harvesters or mowersMechanisms for adjusting the framePlatforms

Abstract

A handheld machine tool (100), comprising: a housing (10) having a handle portion (43) to be held by a user; an electric motor having an electric motor shaft (23); and an output shaft (25) driven by the electric motor shaft and used for adapting to a working head (39), wherein the rated power of the electric motor ranges between 60 W and 200 W, and the ratio of the rated power of the electric motor to the diameter of the handle portion ranges from 1.6 W/mm to 7.2 W/mm. Compared with the prior art, the handheld machine tool achieves a more ergonomic design under the condition that a certain working capacity is guaranteed, thereby improving the holding experience of a user.

IPC Classes  ?

• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
• B23B 45/02 - Hand-held or like portable drilling machines, e.g. drill gunsEquipment therefor driven by electric power

Abstract

A battery pack (1), an electric tool system comprising same, and a charging system. The battery pack (1) comprises: a battery pack housing (10); and a battery cell group (20) disposed in the battery pack housing (10), the battery cell group (20) comprising several electrically connected battery cells (21). The battery pack housing (10) comprises a housing upper portion and a housing lower portion arranged opposite to the housing upper portion; a first air vent (121) is formed on the housing lower portion; a second air vent (111) is formed on the housing upper portion; the longitudinal direction of the battery cells (21) is vertically set along the up-down direction of the battery pack housing (10); a heat dissipation passage (Q1) communicated with the first air vent (121) and the second air vent (111) is formed in the battery pack (1); at least part of the peripheral surface of the battery cell (21) is located in the heat dissipation passage (Q1). In this way, the battery cells (21) can be cooled uniformly to improve the heat dissipation effect of the battery pack (1), thereby prolonging the service life of the battery pack (1) and increasing the working time of a single pack.

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold

Abstract

An electric vehicle. The electric vehicle comprises: a vehicle body, and a driving mechanism (5) arranged on the vehicle body and used for driving the vehicle body to advance, wherein the vehicle body is provided with a first power supply apparatus (100), the first power supply apparatus comprises a first battery pack module (101), and the first battery pack module is electrically connected to the driving mechanism and is capable of supplying power to the driving mechanism. The electric vehicle further comprises: a second power supply apparatus (200) arranged on the vehicle body and comprising a detachable second battery pack module (201), wherein the second battery pack module is electrically connected to the driving mechanism and is capable of supplying power to the driving mechanism, and the second battery pack module is universal to different direct-current devices; and a control circuit, the control circuit being used for connecting the first battery pack module and the second battery pack module in parallel. The obtained power supply structure can increase the endurance mileage of the electric vehicle, and allows for there to be more energy source types available to the electric vehicle.

IPC Classes  ?

• B60L 53/80 - Exchanging energy storage elements, e.g. removable batteries
• B60L 58/18 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
• B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion

Abstract

Disclosed are a heat gun and a heat gun system. The heat gun comprises: a cylindrical housing and, arranged within the cylindrical housing, a heating component, an electric motor, and a fan. A grip part is provided on the cylindrical housing. An air outlet is provided at one end of the cylindrical housing. The electric motor drives the fan to rotate to generate an airflow. The airflow is heated by the heating component and is ultimately outputted via the air outlet. A first interface electrically connected to the electric motor and to the heating component is provided on the cylindrical housing. The first interface is used for detachably connecting a cable and connecting to an external direct-current power supply via the cable. The heat gun and the heat gun system not only facilitate use for a user but also are not easily restricted by usage scenarios.

IPC Classes  ?

• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• F24H 3/12 - Air heaters with additional heating arrangements

Abstract

A main machine assembly (100) of a cleaning machine (1000) and a cleaning machine (1000) with same. The main machine assembly (100) comprises: a shell assembly (10), wherein the shell assembly (10) is provided with a mounting cavity (11) therein; a pump comprising a pump body (20), wherein the pump body (20) is located in the mounting cavity (11); and an electric motor (50), wherein the electric motor (50) is fixedly connected to the pump body (20) so as to drive the pump body (20), and the electric motor (50) comprises an electric motor shell (30). The shell assembly (10) comprises a first shell (14) and a second shell (15) that are distributed in the arrangement direction of the pump body (20) and the electric motor (50), the first shell (14) and the second shell (15) are connected and define the mounting cavity (11), at least one of the pump body (20) and the electric motor shell (30) is fixedly connected to at least one of the first shell (14) and the second shell (15), a liquid inlet (18) and a liquid outlet (19) are formed in the shell assembly (10), a fluid chamber (101) allowing fluid to be circulated is provided between the liquid inlet (18) and the liquid outlet (19), and the shell assembly (10) further comprises a fastener. Accordingly, the connection reliability between the pump and the electric motor (50) and the shell assembly (10) is high, the capacity to resist the impact force of liquid in the mounting cavity (11) is high, relative shaking among multiple components can be effectively prevented, and the stability and reliability of the main machine assembly (100) during operation are improved.

IPC Classes  ?

• F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
• F04B 53/08 - CoolingHeatingPreventing freezing
• H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
• B08B 3/02 - Cleaning by the force of jets or sprays

Abstract

A cleaning machine (10), which comprises: a handheld spray gun (8), comprising a spray gun casing (1) which is provided with a spray gun inlet (12), a spray gun outlet (13) and a spray gun handle (7); a main machine (9), provided separate to the handheld spray gun (8) and comprising a pump (91) and a motor (92); a pipe (93); a battery pack (5), providing power to the motor (92); a control switch (3), used for controlling the connection and disconnection between the battery pack (5) and the motor (92); a water inlet valve (2), comprising a valve core (21) and a valve seat (22), the valve seat (22) being provided with a fluid inlet and a fluid outlet; and a hydroelectrical linkage component (4), connected to the spray gun casing (1) and capable of triggering the control switch (3) to control electric conduction between the battery pack (5) and the motor (92) and control waterway communication between the fluid inlet and the fluid outlet when operated. Therefore, by means of the separate arrangement of the main machine (9) and the handheld spray gun (8), the size of the handheld spray gun (8) can be reduced and the space occupied by the handheld spray gun (8) can be reduced. Furthermore, by means of the hydroelectrical linkage component (4), the water inlet valve (2) and the control switch (3) can be simultaneously controlled to work, and the operation of the cleaning machine (10) is made simpler.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning

Abstract

A power tool and an energy storage apparatus thereof, comprising a first housing (21), a first mating interface (22) used for detachably mating with a second mating interface on the power tool, a positive electrode terminal (221), and a negative electrode terminal (222). The energy storage apparatus (20) also comprises a battery unit. The battery unit is accommodated within the first housing (21). The battery unit is formed by multiple batteries (200) connected in series. The output permitted by the energy storage apparatus (20) is greater than 1200 W. The voltage of the multiple batteries (200) connected in series is no greater than 60 V. An increased output power is provided, thus meeting the power demand of a high-power tool; requirements on the power tool are reduced, thus saving costs.

IPC Classes  ?

• H01M 10/00 - Secondary cellsManufacture thereof

Abstract

A cleaning machine, relating to a high-pressure cleaning device. The cleaning machine comprises: a hand-held spray gun (200), comprising a spray gun housing, a spray gun liquid inlet (202) and a spray gun liquid outlet (203) being provided on the spray gun housing, and the spray gun housing being provided with a handle (204); and a main machine (100), the main machine (100) being provided separately from the hand-held spray gun (200), and the main machine (100) comprising: a pump (4); a motor (5); a first housing (2); a second housing (3), the second housing (3) and the first housing (2) being connected to form a main machine housing, and the main machine housing internally having an installation cavity (102) for accommodating the pump (4) and the motor (5); a pipeline (8), the pipeline (8) being connected between the hand-held spray gun (200) and the main machine (100) and guiding the fluid pressurized by the pump (4) to the liquid inlet (202) of the spray gun; and a battery pack (201) for supplying power to the motor (5). The main machine (100) further comprises: a main machine housing sealing member (6); a pipeline sealing mechanism; and a water inlet sealing mechanism. Without the need for an alternating-current power source, the machine body can be placed directly in water and a high-pressure water flow can be generated for cleaning of the spray gun.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning

Abstract

A cleaning machine, comprising: a main machine (1), comprising a motor (102) and a pump body (103) driven by the rotation of the motor (102); and a spray gun (2), comprising a first flow channel for cleaning liquid to circulate. A connecting piece (3) used for connecting the main machine (1) and the spray gun (2) is provided with a second flow channel. An outlet end of the pump body (103) is communicated with the first flow channel by means of the second flow channel; the spray gun (2) is provided with a microswitch (8) which is electrically connected to the motor (102) and controls the motor (102) to be started and stopped, a battery pack combination part (15) for mounting a battery pack (6), and a control circuit board (7) which is electrically connected to the battery pack combination part (15); the connecting piece (3) further comprises a transmission line (702), and the control circuit board (7) is electrically connected to the motor (102) by means of the transmission line (702) to control the motor (102). The number of the transmission lines (702) is not more than six at most. According to the cleaning machine, on the premise that the whole machine is small in size and good in portability, circuit connection is simpler, and circuit layout tends to be more reasonable.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning

Abstract

A cutting tool (100), comprising an output shaft (14), a brushless motor, a fan (42), a transmission device, a circuit board (36), and a housing (20). The housing (20) comprises a first housing (21) and a second housing (23); the first housing (21) has a first end and a second end in the extension direction of the first housing; the first end is used for connecting the second housing (21), and the second end is used for connecting a power source device (30); the second housing (23) accommodates the motor (16) and the transmission device; the first housing (21) is further provided with a handle portion (211); when a user grasps the handle portion (211) to perform a cutting operation, a saw blade (12) is located at the left side of the first housing (21); moreover, when the fan (42) rotates, the motor (16) and the circuit board (36) are both arranged in the passage of a cooling gas flow. Compared with the prior art, by means of reasonable structure design and the use of a high-speed motor, the provided cutting tool achieves the technical effects of being high in efficiency and good in heat dissipation.

IPC Classes  ?

• B23D 45/16 - Hand-held sawing devices with circular saw blades
• B23D 47/00 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts

Abstract

A cleaning device, comprising: a spray gun assembly (10) which comprises a spray gun housing (11), wherein the spray gun housing comprises a holding part (113) and a spraying part (114), the holding part and the spraying part enclose to form a clamping space, a liquid inlet and a liquid outlet (112) are provided on the spray gun housing, and the liquid outlet is located on the spraying part; a main machine assembly, wherein the main machine assembly and the spray gun assembly are arranged separately, and the main machine assembly comprises a motor and a pump; a power supply assembly (20), which is disposed on the spray gun assembly; and a connection accessory which is connected to the spray gun assembly and the main machine assembly, wherein the connection accessory is used to communicate with the liquid inlet and an outlet of the pump, and is electrically connected to the power supply assembly and the motor. When the power supply assembly is installed on the spray gun assembly, the center of gravity G0 of the two is located in the clamping space, and the projection of the holding part along the extension direction perpendicular thereto toward the spraying part covers the center of gravity G0, so that the cleaning device can have a natural use state in which a user's arm hangs naturally and when same is held by one hand. The cleaning device is comfortable to operate, reduces fatigue, and may improve the overall human-machine experience with regards to the cleaning device.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B05B 9/04 - Spraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible containerSpraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pump

Abstract

A triangular rotor pump, comprising a housing, the housing comprising a side wall (100), and a first end cover (210) and a second end cover (220) respectively disposed at two ends of the side wall (100), and further comprising a triangular rotor (300) in the housing and an eccentric assembly (400) that drives the triangular rotor (300), the triangular rotor (300) comprising a rotor body (310) and a sealing member (320) disposed on the rotor body (310), the sealing member (320) being an elastic structural member, the rotor body (310) comprising three top ends (312) and side surfaces (311) respectively facing the first end cover (210) and the second end cover (220), the sealing member (320) comprising three first sealing portions (321) respectively disposed at the three top ends (312), each first sealing portion (321) abutting against the inner surface of the side wall (100) to form a radial sealing surface that blocks adjacent working cavities, the sealing member (320) further comprising two second sealing portions (322), two second sealing portions (322) being respectively disposed at two ends of the rotor body (310) in an axial direction, and the second sealing portions (322) respectively abutting against the first end cover (210) and the second end cover (220) to form an end surface sealing surface, and two ends of the first sealing portion (321) being respectively clearance-free fit with the two second sealing portions (322). Thus, radial sealing and end surface sealing are implemented.

IPC Classes  ?

• F04C 2/22 - Rotary-piston machines or pumps of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
• F04C 15/00 - Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups

Abstract

A recharge stand (1), a battery system and an electric tool. The recharge stand (1) comprises: a housing (11) which comprises a bottom for supporting the recharge stand (1) to stand and a top arranged opposite to the bottom. An accommodation space for accommodating electrical elements is provided inside the housing (11), the housing (11) is provided with a plurality of ventilation channels penetrating the wall thickness of the housing (11), each ventilation channel is provided with a first opening (101) communicating with the accommodating space and a second opening (102) communicating with an external space, and the first opening (101) is closer to the top than the second opening (102). The recharge stand (1) has a good heat dissipation effect and can effectively reduce rain, snow, dust, foreign matters and the like entering the housing (11), and has good dustproof and rainproof effects.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Abstract

A brushless direct-current electric motor comprising a rotor arranged to rotate around a central axis, a stator (1) arranged on the outer side of the rotor in a surrounding manner and a plurality of types of windings (2) wound on the stator (1), wherein the plurality of types of windings (2) comprise multiple first type windings and multiple second type windings; and the brushless direct-current electric motor further comprises two sets of electric connecting members (3), wherein each type of windings (2) corresponds to one set of electric connecting members (3), and each set of electric connecting members (3) are electrically connected with the corresponding windings (2) first and then are electrically connected with power lines (100). According to the brushless direct-current electric motor, the wiring process can be reduced, such that the manufacturing efficiency is improved, reduction of cost is facilitated, reduction of the overall size of the brushless direct-current electric motor is facilitated, and the brushless direct-current electric motor is particularly suitable for being applied to a holding tool.

IPC Classes  ?

• H02K 3/52 - Fastening salient pole windings or connections thereto
• H02K 3/28 - Layout of windings or of connections between windings
• H02K 11/30 - Structural association with control circuits or drive circuits

Abstract

A power tool (10) and a clamping device (30, 30' 30'') thereof. The clamping device is used to hold a working head (40) at the power tool such that the working head is movable around an output axis. The clamping device comprises: a clamping assembly (33, 33', 33'') capable of moving relative to an axial direction (50) to be in an expanded state or a closed state; an axial movement assembly (32, 32'), capable of moving the clamping assembly axially such that the clamping assembly is at a first axial position or a second axial position; and a locking assembly (35, 35') moving between a locking position and an unlocking position, wherein when the locking assembly is in the locking position, the clamping assembly is locked in the expanded state, and when the locking assembly is in the unlocking position, the clamping assembly can be switched to the closed state. The clamping device enables the working head to be reliably installed at and removed from the power tool.

IPC Classes  ?

• B25F 3/00 - Associations of tools for different working operations with one portable power-drive meansAdapters therefor
• B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for

Abstract

A battery pack (100), comprising a housing (10); the housing (10) is internally provided with a plurality of battery cells (20) that are electrically connected to each other; the peripheral wall of each battery cell (20) is individually wrapped with a cylindrical battery cell package (30), which is made of thermally conductive plastic; the battery cell packages (30) are sleeved outside of the battery cells (20) and are tightly fitted to the battery cells (20); and the battery cells (20) are individually sleeved with the battery cell packages (30). Therefore, the battery cells (20) can be randomly combined to form battery groups of various shapes, and the battery groups have relatively good thermal conductivity. Further provided are an electric tool (200) provided with the foregoing battery pack (100) and a method for fabricating the foregoing battery pack (100).

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold

Abstract

An automatic walking device and an automatic working system. The automatic walking device (10) comprises: a device body (11); a magnetic induction assembly (12), comprising multiple magnetic induction sensors located at the bottom of the device body (11) for sensing magnetic force values; and a control assembly (13), connected to the magnetic induction assembly (12), the control assembly (13) being configured to: determine, according to the magnetic force values from the multiple magnetic induction sensors, a position area of a preset magnetic strip with respect to the multiple magnetic induction sensors of the automatic walking device (10); determine a walking direction for the automatic walking device (10) according to the position area; and control the automatic walking device (10) to walk according to the walking direction, so that the automatic walking device (10) reaches the preset position of the magnetic strip (31). The automatic walking device (10) can determine a position of the magnetic strip (31) with respect to the automatic walking device (10) by means of magnetic force values, and control the automatic walking device (10) to walk towards the position to reach a preset position, thereby implementing low-cost outdoor magnetic navigation.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

An automatic lawn mower, capable of moving and working in a working area. The automatic lawn mower comprises: a machine body (1); a walking module mounted on the machine body (1) and used for driving the automatic lawn mower to move; a boundary detection module mounted on the machine body (1) and used for detecting the boundary of the working area and outputting a boundary detection signal; a grass trimming mechanism (2) mounted at the side edge of the machine body (1), a cutting area (21) being formed when the grass trimming mechanism (2) works, the angle between a plane where the cutting area (21) is located and the ground being larger than or equal to 60 degrees and smaller than or equal to 90 degrees, and the cutting area generally extending along the direction of front and rear ends of the automatic lawn mower; and a control module used for controlling the walking module and the grass trimming mechanism (2). The automatic lawn mower can automatically detect the boundary of a working area and trims grass on the boundary of a lawn in the working area along a vertical plane, so that the boundary of the lawn is made to be neat in the vertical plane.

IPC Classes  ?

• A01D 34/00 - MowersMowing apparatus of harvesters

Abstract

A universal joint and a sprayer system. The universal joint comprises: a first connection unit (10) adapted to be connected to a sprayer body (23) and provided with a first through channel (47) inside; and a second connection unit (11) disposed on the first connection unit (10) and comprising a plurality of connection portions (15) having different specifications. The connection portions (15) can be detachably connected to an adapted water tank (17), respectively; moreover, when the connection portions (15) are connected to the adapted water tank (17), the water tank (17) can be communicated with the first through channel (47); when the connection portions (15) are separated from the adapted water tank (17), the second connection unit (11) can replace the plurality of connection portions (15) with each other; the first connection unit (10) and the second connection unit (11) are movably connected, and the second connection unit (11) can rotate with respect to the first connection unit (10), so as to replace the plurality of connection portions (15) with each other. The universal joint and the sprayer system have an effect of strong adaptability.

IPC Classes  ?

• B05B 15/65 - Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits

Abstract

A wallpaper stripping machine (100), which comprises: a machine housing (2), the machine housing (2) comprising a bottom plate (21) attached to wallpaper and an upper cover (22) distant from the wallpaper, a steam jet hole (212) being formed on the bottom plate (21), and a heating cavity being defined by the bottom plate and the wallpaper; a water supply mechanism, which comprises a booster pump (5), the booster pump (5) having an inlet (16) and an outlet (17) which are opposite to each other, and the inlet (16) being connected to a water pipe (6) communicated with a water source (200); a heater (3) arranged in the machine housing (2), the heater (3) having an inlet end (13) and an outlet end (14) which are opposite to each other, the inlet end (13) being communicated with the outlet (17) of the booster pump (5), and the heater (3) being capable of heating water pumped in by the booster pump (5) to form steam and then injecting the steam into the heating cavity; and a steam outlet transition mechanism (9), having one end communicated with the outlet end (14), and the other end which is a steam outlet end and is communicated with the steam jet hole (212).

IPC Classes  ?

• E04F 21/00 - Implements for finishing work on buildings
• B44C 7/00 - Paperhanging

Abstract

An electric pick, comprising: a reduction gearbox (10) comprising a box body (110) and a transmission mechanism provided in the box body; an impact mechanism comprising a cylinder (20), a piston assembly (310) driven by the transmission mechanism, a rammer (320) disposed in the cylinder and driven by the piston assembly to reciprocate, and a lance (330) disposed in the cylinder to bear the impact of the rammer, a first end of the cylinder being connected to and positioned on the box body, and a second end of the cylinder opposite to the first end being equipped with an electric pick chuck (50); and a plastic housing (40) sleeved outside the cylinder. Because the cylinder of the electric pick is connected to and positioned on the reduction gearbox, on the one hand, the cylinder is better positioned and supported, and on the other hand, compared with the solution of using a metal straight tube, the plastic housing is light in weight, thereby greatly reducing the total weight, and making the operation more flexible and convenient.

IPC Classes  ?

• B25D 7/00 - Picks
• B25D 11/00 - Portable percussive tools with electromotor drive
• B25F 5/02 - Construction of casings, bodies or handles

Abstract

An intelligent mower (100). The intelligent mower (100) moves and works in a working area and comprises a chassis (10), a driving module, a control module, and a cutting module (20). The cutting module (20) is connected to the chassis (10) and can rotate with respect to the chassis (10), and the control module controls the cutting module (20) to move back and forth with respect to the chassis (10).

IPC Classes  ?

• A01D 34/404 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having cutters driven to oscillate in a horizontal plane
• A01D 34/64 - MowersMowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
• A01D 34/82 - Other details
• A01D 34/00 - MowersMowing apparatus of harvesters

Abstract

A sawing machine, comprising a base (1), a sawing unit (5) rotatably supported at the central portion of the base, and an operating support unit (2) provided at the end of the base. A support plane (11) supporting a workpiece is formed on the upper surface of the base, the operating support unit (2) is detachably connected on the base (1) in a plug-in manner with respect to the base, the operating support unit (2) can be turned over with respect to the base to change between an unfolded position and a folded position, in the unfolded position, an extension support plane (25) is coplanar with the support plane (11), two transversely extending insertion holes (7) are formed on the base, each insertion hole (7) comprises a clamping slot (72) in the base and an insertion slot (73) extending transversely and exposed outside, and a free end (22) of the operating support unit is inserted into the clamping slot (72) through the insertion slot (73). When the sawing machine is not used, the operating support unit (2) can be folded to act as a carrying handle, so that the sawing machine has a reduced volume, and is detachable to facilitate transportation. When the sawing machine is used, the operating support unit turns over in the unfolded position, so as to provide a support function for the workpiece.

IPC Classes  ?

• B23D 47/02 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of framesSawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
• B23Q 1/25 - Movable or adjustable work or tool supports
• B23Q 1/74 - Auxiliary tables
• B23D 47/04 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work

Abstract

The present invention provides a cleaning device control method and apparatus, and a cleaning device; the cleaning device comprises a water gun and a main unit; the water gun and the main unit are connected by way of a water pipe; the method comprises: during the process of operation of the cleaning device, obtaining water gun position information; according to the water gun position information, adjusting the current position of the main unit. By means of the present invention, adaptive movement of the main unit of the cleaning device is achieved, effectively improving the adaptive control performance of the cleaning device.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays
• B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning
• G05D 1/02 - Control of position or course in two dimensions

Abstract

A spray gun (100) comprises: a first housing (10); a fan module (20) accommodated in the first housing (10) and used to generate airflow, wherein the fan module (20) comprises a brushless motor (202) and a fan (204); a nozzle assembly (32) comprising a nozzle having a liquid outlet; and a spray rod assembly (34) constructed to move relative to the nozzle along a longitudinal axis thereof so as to open or close the liquid outlet. Operation of the fan module (20) drives the airflow to flow to the nozzle assembly (32), atomizes a liquid at the nozzle, and sprays the same. A maximum outer diameter of the fan module (20) is between 30 mm to 80 mm. The longitudinal axis of the spray rod assembly (34) is parallel to or coincides with a rotation axis of the brushless motor (202). Use of the fan module (20) having the high-speed brushless motor (202) greatly reduces the volume of the fan module (20), and reduces a load when a user holds the device. The longitudinal axis of the spray rod assembly (34) is parallel to or coincides with the rotation axis of the brushless motor (202), which results in an ergonomic and compact form of an overall machine, and improves user experience.

IPC Classes  ?

• B05B 11/06 - Gas or vapour producing the flow, e.g. from a compressible bulb or air pump

Abstract

A route generation method and apparatus, and a lawn mower. The method comprises: receiving satellite positioning signals of measurement points, wherein the measurement points are provided in a user-defined region to be mowed (S31); setting the first measurement point, the quality of a satellite positioning signal of which is within a preset threshold range, as a starting point of a mowing route, and determining the position of the starting point (S32); and determining the positions of the measurement points behind the starting point according to the received satellite positioning signals, so as to generate the mowing route (S33). There is no need to deliberately find a region with a better positioning signal, such that the trouble caused by a user having multiple tries is avoided, thereby reducing the operation difficulty, and improving the use experience of the user.

IPC Classes  ?

• G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
• G01S 19/49 - Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled

Abstract

A garden blower comprises: a housing (11) comprising an air pipe (18) provided with an air inlet section and an air outlet section; an airflow generation mechanism (19) provided in the air pipe (18) and comprising a motor (23) and a fan (21); and a grip mechanism (26) comprising a grip portion housing (28) and a supporting pipe (29). One end of the supporting pipe (29) is connected to the housing (11). The other end of the supporting pipe (29) opposite to the housing (11) is connected to the grip portion housing (28). The grip portion housing (28), the supporting pipe (29), the air inlet section and the air outlet section are sequentially linearly arranged in a rotation axis direction of the fan (21). A grip portion is provided at the grip portion housing (28). A projection of the grip portion on a rotation plane of the fan (21) falls within a range of a projection of the air pipe (18) on the rotation plane. An extension direction of the grip portion is consistent with the rotation axis direction. The above arrangement effectively reduces the radial volume of a garden blower.

IPC Classes  ?

• E01H 1/08 - Pneumatically dislodging or taking-up undesirable matterDrying by heat only, or by streams of gasCleaning by projecting abrasive particles

Abstract

Disclosed is a reciprocating saw, comprising a housing (100); an electric motor (200); a transmission mechanism (300), the transmission mechanism being driven by the electric motor to drive a saw blade to move in a reciprocating manner; an object for detection (400) arranged on the transmission mechanism and capable of moving to a first position along with the transmission mechanism, wherein when the object for detection moves to the first position, the reciprocating saw is in a working stroke state or an idle stroke state; a first detector (500) for detecting the object for detection and arranged opposite the first position; and a control circuit board (600), which is electrically connected to the first detector and the electric motor and adjusts the rotation speed of the electric motor when the first detector detects the object for detection. The reciprocating saw can effectively control the rotation speed of the electric motor according to stroke requirements, thereby preventing a cutting speed from being reduced while reducing vibration of the saw blade.

IPC Classes  ?

• B23D 51/16 - Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular partsCarrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
• B23D 49/00 - Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws

Abstract

A washing method of a mopping machine, and a mopping assembly. The washing method of the mopping machine comprises the following steps: 110: adding water to a cleaning tub, and enabling the water surface in the tub to be higher than a fixed column (6); 120: placing a rotary part (3) of the mopping machine in the cleaning tub, and enabling the fixed column (6) to enter a recess (31) of the rotary part (3); and 130: controlling the rotary part (3) to rotate around the fixed column (6). When the mopping machine completes cleaning and a mop (4) needs to be washed, the mopping machine is directly placed into the cleaning tub which contains water, and the recess (31) is enabled to be aligned with the fixed column (6) to accommodate the fixed column (6) in the recess (31); a user controls the rotary part (3) to rotate, so as to drive the mop (4) to rotate in the cleaning tub for washing; the mop (4) does not need to be removed, and the cleaning mode is quick, neat and convenient.

IPC Classes  ?

• A47L 13/58 - Wringers for scouring pads, mops, or the like, combined with buckets
• A47L 11/282 - Floor-scrubbing machines, motor-driven having rotary tools

Abstract

Provided is a motor, which comprises a stator (4), a rotor (5) provided in the stator (4), and a number of magnetic tiles (6) installed in the rotor (5), the rotor (5) is made by laminating rotor punching sheets, the rotor punching sheet includes a disc-shaped punching sheet body, a circular central hole is opened at the center of the punching sheet body, a number of magnetic tile embedding grooves (51) are uniformly opened in the punching piece body in a ring shape centered on the punching piece body, the magnetic tiles (6) are embedded in the magnetic tile embedding slots (51), corresponding to the position between two adjacent magnetic tiles (6), a number of grooves (52) are formed on the outer cylindrical surface of the rotor (5), the motor is small in size, easy to process, low in cost, and the power density of the motor is good,noise and vibration of the motor is low.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets

Abstract

A self-moving device (1) and a working method therefor. The self-moving device (1) comprises: a wheel monitoring module (26), which is used for monitoring the rotation conditions of a driving wheel (211). When a motor (23) is in an operating state and when the wheel monitoring module (26) detects that the driving wheel (211) has stopped rotating, it is determined that the self-moving device (1) has crashed. Whether a lawn mower (20) has crashed is determined by means of detecting the rotation conditions of the driving wheel (211). The recognition accuracy is high, there is no need to install a new device on the lawn mower (20) or simplify devices installed on the lawn mover (20), and the device saves on costs.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

An automatic walking area route planning method and an automatic walking device. The automatic walking area is defined by an area boundary. The method comprises: obtaining visual reference data of a visual sensor when establishing a map (step S110); determining a virtual boundary line in the area boundary according to the visual reference data, the virtual boundary line dividing an automatic walking area to be a valid positioning area and an invalid positioning area, and the area between the virtual boundary line and the area boundary being the valid positioning area (step S120); and respectively planning a walking route of the automatic walking device in different modes in the valid positioning area and the invalid positioning area (step S130). By using the automatic walking area route planning method and the automatic walking device, walking errors are reduced under different visual positioning precision conditions, and the working efficiency is improved.

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

A lawn mower navigation method and apparatus, and a lawn mower. The method comprises: receiving a satellite-based positioning signal of a location point on a travel path (S31); determining, according to the satellite-based positioning signal, whether the location point is a signal quality turning point (S32); and if the location point is the signal quality turning point, comparing the distances from the location point to planned paths, and taking the planned path having the shortest distance as a target travel path, the planned path being formed by a plurality of ordered location points (S33). The present method has the advantages of high mowing efficiency and strong continuity; moreover, the boundary of a shadow area can be effectively determined by providing a signal quality turning point, and effective data is provided for the determination of the boundary of an unmowed area, thereby ensuring minimum path repetition and maximum coverage.

IPC Classes  ?

• G01C 21/34 - Route searchingRoute guidance
• G05D 1/02 - Control of position or course in two dimensions

Abstract

A land-based autonomous mobile robot and a notification sound control method. The land-based autonomous mobile robot (100) comprises: a monitoring unit (13) used to monitor an operation state of the land-based autonomous mobile robot (100) and output a state signal; a control unit (11) used to output a sound generation control signal corresponding to a specified state if the land-based autonomous mobile robot (100) is determined to be in the specified state according to the state signal; and a motor drive unit (12) used to drive, according to the sound generation control signal, at least one of multiple motors (20) of the land-based autonomous mobile robot (100) to generate a corresponding notification sound. The notification sound control method is capable of reducing the cost in providing a state sound notification of the land-based autonomous mobile robot (100) and simplifying the structure of the land-based autonomous mobile robot (100).

IPC Classes  ?

• G05D 1/02 - Control of position or course in two dimensions

Abstract

Provided in the present utility model is an air blower, the air blower comprising a shell, a handle arranged on the shell, an electric motor and a fan, wherein the electric motor and the fan are arranged in the shell, the shell comprises a working head shell and an air pipe shell formed by extending forwards from the working head shell, an air duct penetrating the working head shell and the air pipe shell is provided in the shell, the fan is connected with the electric motor and driven by the electric motor to rotate and generate air flow, an air outlet for leading out the air flow in the air duct is provided in the end, away from the working head shell, of the air pipe shell, an axial air inlet and a circumferential air inlet for leading external air flow into the air duct are provided on the working head shell, the axial air inlet is provided in the end, away from the air pipe shell, in the working head shell, the working head shell comprises a circumferential shell arranged on the outer side of the outer circumference of the fan in the circumferential direction in a surrounding manner, the circumferential air inlet is formed in the circumferential shell, a plurality of transverse ribs and a plurality of vertical ribs are arranged on the circumferential air inlet in a staggered manner, and the vertical ribs are provided with guide faces. The air blower can meet the working requirements, is small and flexible, and improves the operability by a user.

IPC Classes  ?

• E01H 1/08 - Pneumatically dislodging or taking-up undesirable matterDrying by heat only, or by streams of gasCleaning by projecting abrasive particles
• A45D 20/12 - Details thereof or accessories therefor, e.g. nozzles, stands

Abstract

A handheld cleaning machine (100), comprising a main machine (10), a handle (20), and a rotating structure (30) hinging the main machine (10) and the handle (20). The rotating structure (30) comprises a locking knob (310) and an elastic member (320). The locking knob (310), during a sliding process, is selectively snap-fitted to the first of a handle housing (210) and a main machine housing (110) and keeps in sliding connection to the other of the handle housing (210) and the main machine housing (110). The elastic member (320) is configured to provide a driving force enabling the locking knob (310) to move to be fitted to the first of the handle housing (210) and the main machine housing (110). A first connecting hole (150) is formed in the main machine housing (110), and a first guide tooth groove (140) is formed in the inner wall of the first connecting hole (150) or the main machine housing (110); a second connecting hole (230) is formed in the handle housing (210), and a second guide tooth groove (220) is formed in the inner wall of the second connecting hole (230). The locking knob (310) is provided with a first limiting tooth (314) engaged with the first guide tooth groove (140) and a second limiting tooth (316) in sliding fitting to the second guide tooth groove (220). The elastic member (320) provides a driving force enabling the first limiting tooth (314) to move to be fitted to the first guide tooth groove (140). Unlocking and locking of the handle (20) are achieved by pressing and releasing the locking knob (310), and the adjustment of an angle of the handle (20) can be conveniently and quickly achieved, thereby cleaning targets to be cleaned in different heights.

IPC Classes  ?

• B08B 3/02 - Cleaning by the force of jets or sprays

Abstract

An electric hammer tripping mechanism (100) comprising an intermediate shaft (110), a transmission gear (130) arranged on the intermediate shaft in a sheathed manner, a tripping pressing plate (140) and a gasket (150) fixedly arranged relative to the intermediate shaft, the tripping pressing plate and the intermediate shaft are arranged in a non-relative-movement manner, a tripping assembly capable of moving relative to the tripping pressing plate in the axial direction of the intermediate shaft is arranged between the tripping pressing plate and the gasket, and the tripping assembly comprises at least one compressed spring (160) which is used for providing pressure required when tripping the tripping pressing plate. Due to the arrangement of the tripping pressing plate and the tripping assembly, the tripping pressing plate is a stable base during tripping, fluctuation of a tripping force value cannot be caused, such that the tripping reliability is improved, and the risk of a user being hurt due to the fact that the torque is increased in the process of being used is avoided. An electric hammer (200) with the electric hammer tripping mechanism is further involved.

IPC Classes  ?

• B25D 17/10 - Safety devices
• B25D 16/00 - Portable percussive machines with superimposed rotation
• B25D 11/00 - Portable percussive tools with electromotor drive

Abstract

The present application relates to an electric tool and an automatic recognition method in the electric tool, which belong to the technical field of electric tools. The electric tool comprises: a housing, a touch sensing assembly and a rain detection assembly which are provided on the housing, the touch sensing assembly having a function of shielding a touch request triggered by a non-target object, and the rain detection assembly having a function of recognizing rain; a control assembly connected to the touch sensing assembly and the rain detection assembly. The invention can solve the problem that a touch sensing panel on the existing electric tool cannot distinguish media such as water drops, water flows and fingers. As the touch sensing assembly has the function of shielding a touch request triggered by a non-target object, the electric tool can eliminate the problem of mistaken touch caused by the non-target object such as water drops or water flows, and can improve the accuracy of the electric tool detecting a finger touch.

IPC Classes  ?

• H03K 17/96 - Touch switches

Abstract

Disclosed in the present invention is an electric tool, comprising: a motor; a first battery pack and a second battery pack for providing electrical energy for the motor; a first switch device and a second switch device, the first switch device being connected in series between the first battery pack and the motor, and the second switch device being connected in series between the second battery pack and the motor, to respectively start or end a connection of the first battery pack and the second battery pack with the motor; and a controller, configured to control, according to a preset condition, the first switch device or the second switch device to be turned on so as to enable the first battery pack or the second battery pack to supply power to the motor. Only one of the two battery packs of the electric tool is discharged at any time to avoid the problem of charging each other between the two battery packs in parallel; moreover, according to the preset condition, a certain battery pack is selected to be discharged, thereby effectively improving the endurance capability, ensuring the safety and reliability of the battery pack, and effectively prolonging the service life of the electric tool.

IPC Classes  ?

• H02J 7/36 - Arrangements using end-cell switching
• A01D 75/00 - Accessories for harvesters or mowers

Abstract

A pressure regulation and oil control device, and a power tool. The power tool comprises a housing (31), a motor (32) provided in the housing (31), an output portion (33) driven by the motor (32), a transmission mechanism (34) transmitting power from the motor (32) to the output portion (33), a container body (4) accommodating at least part of the transmission mechanism (34), and the pressure regulation and oil control device (5). Grease for lubricating the transmission mechanism (34) is accommodated in the container body (4). The pressure regulation and oil control device (5) comprises a valve device (53). The pressure regulation and oil control device (5) further comprises a base (51), a cover body (52) detachably engaging with and connected to the base (51), a first vent (511) provided at the base (51), a second vent (521) provided on the cover body (52), and a vent channel formed between the first vent (511) and the second vent (521) in which gas passes therethrough. The valve device (53) is provided in the vent channel. The invention reduces grease spills, extends the service life of the power tool, and improves user experience.

IPC Classes  ?

• B25D 17/26 - Lubricating

Abstract

A handheld tool, comprising a motor (11), a spindle (12), and a cover (14). The cover comprises a cover main body (141) and a cover auxiliary member (142); the cover auxiliary member is operable with respect to the cover main body to switch between a first state of and a second state of being fixed to a housing; in the first state, the cover auxiliary member is located on the side of the cover main body close to the motor and overlap the cover main body; in the second state, the cover auxiliary member is located on the side of the cover main body distant from the motor and forms, together with the cover main body, a receiving cavity (106) for receiving a tool head; the cover auxiliary member is non-detachably connected to the cover main body, and can rotate and axially move with respect to a guide column to switch between the first and second states. A same cover for the handheld tool can adapt to multiple types of tool heads, and the cover is convenient to operate during state switching and is not easy to lose. Also provided are an operation method for the handheld tool, a cover for the handheld tool, and another handheld tool.

IPC Classes  ?

• B24B 55/05 - Protective covers for the grinding wheel specially designed for portable grinding machines
• B24B 23/02 - Portable grinding machines, e.g. hand-guidedAccessories therefor with rotating grinding toolsAccessories therefor