A walk-behind power tool includes a working assembly, a body, a handle device, and an energy device. The working assembly includes a working member and a motor configured to drive the working member. The body is configured to accommodate the working assembly. The energy device is configured to provide energy for the motor. The body includes a coupling portion configured to accommodate the energy device and a storage portion configured to store an article. The body has a foremost end of the body, and at least part of the coupling portion is disposed between the foremost end of the body and the storage portion. A projection of the storage portion on the ground is defined as a first projection, a projection of the working member in rotation on the ground is defined as a second projection, and at least part of the first projection overlaps the second projection.
A01D 34/68 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A manned mower includes a seat; a frame for supporting the seat; a cutting assembly mounted on the frame and including a mowing element for cutting grass; a walking assembly mounted on the frame and including a left walking wheel and a right walking wheel; an energy storage device disposed on the front side of the seat and configured to supply power to the cutting assembly and the walking assembly; and a front cover disposed on a front portion of the manned mower and formed with an accommodation cavity for accommodating at least the energy storage device. In a front and rear direction, the center of gravity of the energy storage device is located before a line between the center point of the left walking wheel and the center point of the right walking wheel.
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A power tool includes a functional piece; an electric motor; a power supply device for supplying power to the electric motor; a parameter detection device configured to acquire multiple operating parameters of the electric motor and/or the power supply device; and a controller connected to the parameter detection device and configured to control running of the electric motor. The controller is configured to detect whether the multiple operating parameters satisfy policy switching conditions corresponding to the multiple operating parameters; in the case where any operating parameter of the multiple operating parameters satisfies a policy switching condition corresponding to the any operating parameter, control the electric motor by using a first electric motor control policy; and in the case where none of the multiple operating parameters satisfy the policy switching conditions corresponding to the multiple operating parameters, control the electric motor by using a second electric motor control policy.
H02P 23/00 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur
H02P 23/14 - Estimation ou adaptation des paramètres des moteurs, p. ex. constante de temps du rotor, flux, vitesse, courant ou tension
H02P 23/20 - Commande de l’accélération ou de la décélération
H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
H02P 29/68 - Commande ou détermination de la température du moteur ou de l'entraînement basée sur la température d’un composant d’entraînement ou d’un composant semi-conducteur
A sanding tool includes a body and a battery pack. The body includes a housing formed with a battery pack coupling portion, a main handle connected to the housing, a sanding assembly connected to the housing with a base plate, where the base plate forms a support plane; and an electric motor in the housing. The mounting surface of the battery pack is at least partially disposed between the electric motor and the main handle. The projection point of the center of gravity of the whole machine on an extended surface of the support plane is located within the support plane of the base plate. Along the front and rear direction of the housing, the base plate has a first centerline, and the distance from the projection point to the first centerline is greater than or equal to 0 mm and less than or equal to 38 mm.
B24B 23/06 - Machines de meulage portatives, p. ex. à guidage manuelAccessoires à cet effet avec des courroies abrasives, p. ex. avec des courroies sans finAccessoires à cet effet
A drain auger includes a drum, a motor, and a cable. The drum forms an accommodation space. The motor drives the drum to rotate. The cable is at least partially stored in the accommodation space. The total length of the extended cable has a cable length L, the drum has an inner bottom surface forming the accommodation space, the diameter of the inner bottom surface is the first diameter D, and, when the cable length L and the first diameter D are both measured in centimeters, the ratio L/D2 of the cable length L to the square of the first diameter D is greater than or equal to 3.5.
E03C 1/302 - Dispositifs pour faciliter l'enlèvement des déchets obstruant les tuyaux de vidange ou les bondes d'évier par déplacement dans les canalisations
B65H 75/40 - Noyaux, gabarits, supports ou pièces de tenue pour matériau bobiné, enroulé ou plié, p. ex. tourets, broches, bobines, tubes à cannette, boîtes spécialement adaptés ou montés pour stocker, dérouler de façon répétée et stocker à nouveau des longueurs de matériau prévues pour des buts particuliers, p. ex. tuyaux souples à poste fixe, câbles de force impliquant l'utilisation d'un noyau ou d'un gabarit intérieur formant support pour le paquet de matériau stocké mobile ou transportable
A pipeline cleaner (100), comprising a drum (120), a motor (140) and a cable (130), wherein the drum (120) is provided with an accommodating space, the motor (140) drives the drum (120) to rotate, and the cable (130) is at least partially stored in the accommodating space; and the total length of the cable (130) after being spread is defined as a cable length L, the drum (120) has an inner bottom surface for forming the accommodation space, the diameter of the inner bottom surface is defined as a first diameter D, and when the cable length L and the first diameter D are both in centimeters, the ratio L/D2 of the cable length L to the square of the first diameter D is greater than or equal to 3.5.
B08B 9/047 - Nettoyage des surfaces intérieuresÉlimination des bouchons utilisant des dispositifs de nettoyage introduits dans et déplacés le long des tubes déplacés par liaison mécanique actionnée de l'extérieur, p. ex. poussés ou tirés dans les tubes les dispositifs de nettoyage comportant des moteurs pour actionner les outils de nettoyage
B08B 13/00 - Accessoires ou parties constitutives, d'utilisation générale, des machines ou appareils de nettoyage
E03C 1/302 - Dispositifs pour faciliter l'enlèvement des déchets obstruant les tuyaux de vidange ou les bondes d'évier par déplacement dans les canalisations
7.
POWER TOOL, CUTTING TOOL, CIRCULAR SAW, AND CONTROL METHOD FOR POWER TOOL
A power tool, a cutting tool, and a circular saw (100). The power tool comprises: a first motor (21; 21e; 21f) and a second motor (22; 22e; 22f), wherein a first driving shaft (211; 211e; 211f) and a second driving shaft (221; 221e; 221f) arranged along the radial direction of the first driving shaft (211; 211e; 211f) are provided; a power transmission mechanism (40) transmitting the power of at least one of the first motor (21; 21e; 21f) and the second motor (22; 22e; 22f) to an output shaft (30); and an accommodating housing (14), wherein when orthographic projection observation is performed in the extension direction of the output shaft (30), the ratio of an outer dimension Lc of the accommodating housing (14) along the direction of a line connecting a first axis (201) and a second axis (202) to an outer diameter dimension D of either of the motors is greater than or equal to 1.1. The power tool is driven by the two motors which cooperate with each other.
B23D 47/12 - Machines à scier ou dispositifs de sciage travaillant au moyen de lames circulaires, caractérisés uniquement par la structure d'organes particuliers de l'entraînement de lames de scies circulaires
B28D 1/04 - Travail de la pierre ou des matériaux analogues p. ex. briques, béton, non prévu ailleursMachines, dispositifs, outils à cet effet par sciage avec des lames de scie circulaires ou des disques de scie
B23D 59/00 - Dispositifs annexes spécialement conçus pour les machines à scier ou les dispositifs de sciage
B25F 5/00 - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
H02P 1/58 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer plusieurs moteurs dynamo-électriques successivement
An airflow apparatus (10), and a blower and vacuum (20). The airflow apparatus (10) comprises: an electric motor; a fan assembly driven by the electric motor to rotate to generate negative pressure; an air suction tube (711) for using the negative pressure to suction in substances to be suctioned in; and an air blowing port (102) mounted on a collection device (750). The airflow apparatus (10) further comprises a blocking part (911), wherein the blocking part (911) divides said substances into a first portion and a second portion, the first portion directly falling into the collection device (750), and the second portion being blocked by the blocking part (911).
E01H 1/08 - Emploi de l'air comprimé pour détacher ou enlever les matières indésirablesSéchage par la chaleur uniquement, ou par des courants de gazNettoyage par projection de particules abrasives
A nail gun (100), comprising: a housing (11); an electric motor (121), which is disposed in the housing; a trigger assembly (16), which is configured, within a nailing cycle, to move from an initial position to a trigger position so as to drive a nail into a workpiece, and to move from the trigger position to the initial position; a parameter measurement unit (21), which is at least connected to the electric motor (121) and measures at least the number of turns of rotation of the electric motor (121); and a controller (23), which is at least connected to the parameter measurement unit (21), wherein the controller (23) is configured to control the electric motor (121) to operate at a constant rotation speed when the number of turns of rotation is greater than or equal to a first number-of-turns threshold value and is less than a second number-of-turns threshold value.
A nail gun (100), comprising: a housing (11); a motor (121) disposed in the housing; a battery pack (15) configured to supply power to the motor (121); a firing assembly (16) configured to be capable of moving from an initial position to a firing position so as to drive a nail to a workpiece and moving from the firing position to the initial position within a nailing cycle; a parameter measurement unit (21) at least connected to the motor (121) and at least measuring a working parameter of the motor (121); and a controller (23) at least connected to the parameter measurement unit (21), the controller (23) being configured to, in a motor starting process, if the working parameter is less than or equal to a parameter threshold, limit the maximum duty ratio of a starting control signal to be less than or equal to a duty ratio threshold. Also disclosed are a power tool and a method for controlling the nail gun.
Disclosed is a nail gun, comprising: a housing (11); a motor (121), provided in the housing (11); a firing assembly (16), which is configured such that in a nailing cycle, the firing assembly can move from an initial position to a firing position so as to fire a nail to a workpiece, and then move from the firing position to the initial position; a guide assembly (114), which is configured to at least guide the firing assembly (16) to fire a nail in the nailing direction; a trigger switch (113a), which is provided on the housing (11) and configured to be operated when there is an intention to drive the firing assembly (16); a push rod switch (113b), which is configured to be turned on in the case of being pressing against the workpiece in the nailing direction; and a controller (23), at least capable of acquiring a starting signal and controlling the motor (121) to run, the controller (23) being configured to, when a starting signal has been detected in the current nailing cycle, at least control the motor (121) to keep running until a next nailing cycle so as to fire a nail. Thus, the present application achieves quickly responding to the current starting signal to fire a nail. Further disclosed is a control method for the nail gun.
A pipecutter includes a housing, a motor, a rotating assembly, and a first drive assembly. The rotating assembly includes a first bracket assembly, a second bracket assembly, and a locking assembly, where the locking assembly is configured to lock or unlock a pipe and the pipecutter. The first drive assembly is driven by the motor to drive the rotating assembly to rotate. The locking assembly includes a rocker arm; when the rocker arm is at a first position, the locking assembly is in an unlocking state; and when the rocker arm is at a second position, the locking assembly is in a locking state. The pipecutter further includes a second drive assembly, the second drive assembly includes a first pushing member which is able to push the rocker arm to move from the first position to the second position.
An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A battery pack includes: a cell group configured to store electrical energy; a power terminal configured to transmit power; and a communication terminal configured to transmit first communication data. The power terminal includes: a first power terminal forming a first electrical connection with the cell group to transmit power; and a second power terminal forming a second electrical connection with the cell group to transmit power and second communication data. The battery pack further includes a controller electrically connected to at least the second power terminal and the communication terminal and capable of controlling the second electrical connection to be enabled or not.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 50/583 - Dispositifs ou dispositions pour l’interruption du courant en réponse au courant, p. ex. fusibles
A power tool includes an operating member for a user to operate to select a currently adopted target working mode, where the power tool has at least two working modes; an electric motor; a drive device used for driving the electric motor; and a controller used for outputting a control signal to the drive device to control the drive device. The controller is configured to: according to the target working mode currently, determine a target switching condition for switching a control manner of the electric motor in the target working mode, where switching conditions for switching the control manner of the electric motor in different ones of the at least two working modes are different; and when the target switching condition is satisfied, switch the control manner of the electric motor from a first target control manner to a second target control manner in the target working mode.
A power tool includes a mounting portion for optionally mounting one working accessory of multiple working accessories; a motor configured to drive the working accessory mounted on the mounting portion; and a control device configured to control rotation of the motor according to a target control program matching the working accessory. The control device is configured to, when the motor is in a pre-starting stage, estimate rotational inertia of the motor and identify the working accessory currently mounted to the mounting portion based on the rotational inertia.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A01D 34/416 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs sous forme de fils flexibles
A01D 34/66 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule à plusieurs couteaux
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A power tool includes a transmission assembly configured to transmit power between a motor and an output assembly to drive an output shaft to oscillate back and forth; and an adjustment assembly for adjusting the transmission assembly. The adjustment assembly is configured to, when a load of the output shaft satisfies a preset value of the adjustment assembly, control the transmission assembly according to the load of the output shaft so that the transmission assembly adjusts an angle of oscillation of a work attachment.
An impact tool includes a motor including or connected to a drive shaft for outputting power and is rotatable about a first axis, an impact assembly including a main shaft and a spring sleeved on the main shaft, a transmission assembly for transmitting the power output by the drive shaft to the main shaft, a main shaft bearing for supporting the main shaft, and a second bearing for supporting the drive shaft. The projections of the second bearing, the main shaft bearing and the spring on a reference plane perpendicular to the up and down direction have an overlapping region.
B25B 21/02 - Outils portatifs à moteur pour serrer ou desserrer les vis ou les écrousAccessoires pour appareils à percer ayant les mêmes buts avec des moyens pour communiquer un choc à la tige du tournevis ou à la douille de la clé à écrou
B25F 5/00 - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
B25F 5/02 - Structure des boîtiers, corps ou poignées
An electric all-terrain vehicle, comprising: a frame (100); a seat (120) for a user to sit, the seat (120) being mounted to the frame (100); a walking wheel set (400), the walking wheel set (400) comprising front wheels (40F) and rear wheels (40R); a driving system (12), comprising a driving motor (123), the driving system (12) driving the walking wheel set (400); a power supply assembly (161), the power supply assembly (161) comprising an energy storage device and at least providing power for the driving system, and the power supply assembly (161) being a direct-current power supply; and a gear box (13), comprising an output shaft, and configured to transmit power of the driving system (12) to the walking wheel set (400), wherein the driving motor (123) is basically parallel to the output shaft of the gear box (13).
B62K 25/24 - Suspensions des moyeux de roues pour montage élastique des moyeux sur le cadre ou la fourche avec bras basculant pivotant sur chaque jambe de fourche avec plus d'un bras sur chaque jambe de fourche pour roue avant
B60G 3/00 - Suspensions élastiques pour une seule roue
A battery pack (100) and an electric tool (200). The battery pack (100) comprises a housing (110). A battery module (120) is provided in the housing (110) and comprises a plurality of battery cells (10). Each battery cell (10) comprises a positive electrode plate (11), a negative electrode plate (12), an electrolyte (13), a positive tab (14) and a negative tab (15). The electrolyte (13) is arranged between the negative electrode plate (12) and the positive electrode plate (11), the positive tab (14) is electrically connected to the positive electrode plate (11), and the negative electrode tab (15) is electrically connected to the negative electrode tab (12). Two ends of the battery cell (10) in a first direction are respectively a first end face (101) and a second end face (102), one of the positive electrode tab (14) and the negative electrode tab (15) is arranged on the first end face (101), and the other one thereof is arranged on the second end face (102). In a second direction, the ratio of the width of the positive electrode tab (14) to the width of the battery cell (10) is greater than or equal to 0.5, and/or, in the second direction, the ratio of the width of the negative electrode tab (15) to the width of the battery cell (10) is greater than or equal to 0.5. The second direction is perpendicular to the first direction.
A battery pack includes a housing, a cell assembly, a cell support member, a first sensor, and a second sensor. The cell assembly is disposed in the housing; and the cell support member is at least configured to support the cell assembly. The cell assembly includes a plurality of cells which are sheet-shaped, the plurality of cells are stacked, and a cell among the plurality of cells includes an encapsulation member configured to encapsulate the cell and a tab disposed at at least one end of the cell assembly and protruding from the cell. The first sensor is configured to detect a temperature of the cell and is disposed on a side of the tab facing towards the cell support member. The second sensor is configured to detect a parameter related to leakage of the cell and is disposed in the cell assembly.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p. ex. le niveau ou la densité de l'électrolyte
H01M 50/209 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules prismatiques ou rectangulaires
A vehicle-type driving device includes a traveling assembly including multiple traveling wheels; a steering wheel configured to control the vehicle-type driving device to steer; a traveling motor for driving the vehicle-type driving device to steer at a target angular velocity, where the ratio of the target angular velocity to the change in the steering angle of the steering wheel is defined as a steering ratio; and a control device configured to, when the traveling speed of the vehicle-type driving device is within a preset range, set the steering ratio according to a steering ratio curve function, where variables of the steering ratio curve function include the steering angle of the steering wheel and the traveling speed of the vehicle-type driving device.
A power tool combination includes a power tool and an auxiliary handle. The auxiliary handle includes a second grip, a clamping assembly, and a locking assembly that includes an operation member. When a position state of the operation member is changed, the locking assembly is switched between a locked state and a released state. When the locking assembly is switched to the released state, the operation member applies a drive force to at least one of a first clamping arm and a second clamping arm so that the first clamping arm and the second clamping arm move away from each other.
A fan includes: a support base; a fan assembly; a battery pack coupling portion located at an end of the fan adjacent to the support base and used for mounting a battery pack powering the fan assembly; and a clamping assembly disposed on the support base and used for clamping the support base to an external fixed component. The clamping assembly includes a first jaw, a second jaw, and an adjustment member. The adjustment member passes through the first jaw and the second jaw. The adjustment member is operated to increase or decrease an opening distance between the first jaw and the second jaw. The maximum opening distance formed between the first jaw and the second jaw is greater than or equal to 35 mm.
F16M 13/02 - Autres supports ou appuis pour positionner les appareils ou les objetsMoyens pour maintenir en position les appareils ou objets tenus à la main pour être portés par un autre objet ou lui être fixé, p. ex. à un arbre, une grille, un châssis de fenêtre, une bicyclette
F04D 29/64 - MontageAssemblageDémontage des pompes axiales
A push working machine includes a body including at least a traveling assembly, a traveling motor driving the traveling assembly, a functional assembly, and a functional motor driving the functional assembly; a handle device connected to the body and including at least an operating member for a user to operate; a controller configured to control at least the working states of the traveling motor and the functional motor; and a power interface for connecting electrical energy capable of supplying power to at least the traveling motor and the functional motor. The controller is configured to, in response to a start signal, be capable of controlling the traveling motor to accelerate to the first speed with the first acceleration and accelerate to the target self-propelled speed with the second acceleration.
A01D 34/69 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur à roues entraînées par un moteur
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A power unit includes an output assembly, a housing, and a power supply device. The output assembly includes an output shaft used for outputting power and rotatable about a first axis. The housing is used for supporting the output assembly. The power supply device powers the output assembly and includes at least a first battery pack.
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
A pruning machine (100), comprising: a main body (300), connected to an energy device (302); and a motor (210), configured to drive a working assembly (200) to operate. The main body comprises a first gripping part (310) for a user to grip and an accommodating part (330) for accommodating at least part of the motor. The motor has a center of gravity (x). The working assembly comprises a first working member (201) and a second working member (202). A plane located in the center of the first working member and the second working member and basically parallel to an extension direction of the first working member and the second working member is defined as a center plane (102). The distance between the center plane and the center of gravity of the motor in a vertical direction is greater than or equal to 0 mm and less than or equal to 40 mm. The pruning machine is comfortable and safe to use.
Disclosed in the present application are a robotic lawn mower system based on cloud-edge-terminal collaboration, and an electric tool management system. The robotic lawn mower system comprises: a terminal device, which comprises a robotic lawn mower and is configured to at least collect local data; an edge node, which is in communication connection with the terminal device and is configured to acquire the local data from the terminal device and to update a control program of the terminal device by using the local data; and a cloud platform, which is in communication connection with the edge node and is configured to acquire the control program from the edge node and to perform overall management on the control program.
Disclosed in the present application is a robot lawn mower. The robot lawn mower comprises: a drive component, comprising a blade and a drive motor for driving the blade; a walking component, comprising walking wheels and a walking motor for driving the walking wheels; a camera component, configured to collect two-dimensional images of the surroundings of the robot lawn mower; and a processor, which is in communication connection or electrical connection with the camera component and configured to at least control, according to the two-dimensional images, actions of the robot lawn mower. The processor is further configured to: identify an adverse road condition in the two-dimensional images by means of semantic segmentation, the adverse road condition belonging to one of multiple preset adverse road condition types; verify the adverse road condition according to a three-dimensional point cloud, so as to obtain a verification result; and, according to the verification result, plan a travel route for the robot lawn mower.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
A push mower includes a body including at least a traveling assembly, a traveling motor driving the traveling assembly, a cutting assembly, and a cutting motor driving the cutting assembly; a handle device connected to the body and including at least an operating member for a user to operate; a controller configured to control at least the working states of the traveling motor and the cutting motor; and a power interface for connecting a power supply energy capable of supplying power to at least the traveling motor and the cutting motor. The traveling motor is drivable by an external force to generate a motor energy. The controller is configured to, when the traveling motor generates the motor energy, cut off an electrical energy transmission path of the traveling motor.
A01D 34/68 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A01D 34/69 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur à roues entraînées par un moteur
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
An illumination device includes a heat dissipation assembly at least partially disposed in a first accommodation space of a housing. The housing is provided with an air inlet for an airflow to enter the first accommodation space and an air outlet for the airflow passing through the airflow channel to flow out of the first accommodation space. The airflow channels are disposed along an up and down direction, and the air outlet is at least partially provided above the airflow channels.
F21V 29/76 - Dispositions de refroidissement caractérisées par des éléments passifs de dissipation de chaleur, p. ex. puits thermiques avec ailettes ou lames avec ailettes ou lames en plans parallèles essentiellement identiques, p. ex. avec une section en forme de peigne
F21V 23/02 - Agencement des éléments du circuit électrique dans ou sur les dispositifs d’éclairage les éléments étant des transformateurs ou des impédances
F21V 31/00 - Dispositions d'étanchéité à l'eau ou aux gaz
A manned mower includes a traveling wheel set; a vehicle frame; a support portion used for supporting an operator; a traveling electric motor used for driving the traveling wheel set; and a power supply assembly used for supplying power to at least the traveling electric motor and including at least one detachable battery pack. The vehicle frame includes a left bracket portion and a right bracket portion for supporting the power supply assembly, the power supply assembly is disposed between the left bracket portion and the right bracket portion, and a maximum inner width W1 of the left bracket portion and the right bracket portion in a left and right direction is less than or equal to 700 mm, and total energy of a single row of the power supply assembly along the left and right direction is greater than or equal to 8 kW·h.
A manned mower includes a vehicle frame and a support portion used for supporting a user; a traveling wheel set supporting the vehicle frame; a mowing element driven by a mowing electric motor; and a controller configured to apply a drive signal to a driver circuit to control the operation of the mowing electric motor. The controller is configured to receive a first electrical parameter related to the current of the mowing electric motor and when the first electrical parameter satisfies a first preset condition, limit the first electrical parameter within a preset range. When the first electrical parameter is limited within the preset range, the controller is further configured to selectively use a first method or a second method to determine the rotor position of the mowing electric motor so that the mowing electric motor does not stop when the first electrical parameter is within the preset range.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A01D 34/66 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule à plusieurs couteaux
A01D 34/71 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical avec des moyens pour décharger les produits fauchés
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A power tool and a battery pack. The battery pack comprises: a housing; a power tool interface, configured to be connected to the power tool, the power tool interface comprising a terminal assembly; and a battery cell module, accommodated in the housing and electrically connected to the terminal assembly, the battery cell module at least comprising a plurality of batter cell units, and the continuous discharge power of each battery cell unit being greater than or equal to 300 W.
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 10/46 - Accumulateurs combinés par structure avec un appareil de charge
H01M 50/503 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie caractérisées par la forme des interconnecteurs
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
An impact tool includes: an impact mechanism, where the impact mechanism includes an impact block driven by a drive shaft and a hammer anvil receiving an impact from the impact block, and the hammer anvil is connected to an output shaft; and a controller configured to control an electric motor. The controller is configured to, when the impact tool is in a low-speed mode and it is detected that the impact mechanism applies an impact force to the output shaft, perform the operations periodically: determining that the impact mechanism impacts a preset number of times and controlling the electric motor to shut down for a preset period and then restart.
B25B 21/02 - Outils portatifs à moteur pour serrer ou desserrer les vis ou les écrousAccessoires pour appareils à percer ayant les mêmes buts avec des moyens pour communiquer un choc à la tige du tournevis ou à la douille de la clé à écrou
B25B 23/00 - Parties constitutives ou accessoires des clés à écrous, clés anglaises, tournevis
The present application discloses a portable dust collection apparatus. The portable dust collection apparatus comprises: a housing; a motor, comprising blades capable of generating negative pressure, and a central axis of the motor being the axis of the motor; and a dust collection tube, which suctions foreign matter and guides the foreign matter to a dust box used to contain foreign matter. The portable dust collection apparatus is powered by a battery pack. The housing is cube shaped. The thickness of the portable dust collection device along the front-rear direction is less than or equal to 85 mm. Therefore, the entire portable dust collection device has a small thickness, such that the portable dust collection device occupies little space in a vehicle and is convenient to store. In addition, a user can conveniently hold the portable dust collection device to carry out dust collection in a cramped environment in the vehicle, and the use experience of the user is elevated.
The present application discloses a blower vacuum machine, comprising a main machine housing, a control board, a vacuum port, a blower port, and a first assembly structure. The control board is provided with a starting circuit for controlling the startup or shutdown of the blower vacuum machine; the vacuum port can be connected to an air inlet hood, the air inlet hood has an open state and a closed state, and when the air inlet hood is in the closed state, an airflow can pass through the air inlet hood and enter the vacuum port; the blower port can be connected to a blower tube, and the blower tube has an installation position and a non-installation position; when the blower tube is at the non-installation position, the starting circuit is in an off state, and the blower vacuum machine is in a shutdown state; when the blower tube is at the installation position, the starting circuit is in an on state, and the blower vacuum machine is in a standby state; and when the first assembly structure is in an assembly state, the air inlet hood can be kept in the closed state, and the blower tube can be installed in the installation position.
E01H 1/08 - Emploi de l'air comprimé pour détacher ou enlever les matières indésirablesSéchage par la chaleur uniquement, ou par des courants de gazNettoyage par projection de particules abrasives
A riding lawn mower includes a seat, a power output assembly, a walking assembly, and a control assembly. The power output assembly includes a mowing element and a power output motor configured to drive the mowing element to output power. The walking assembly includes wheels driving the riding lawn mower to walk on a ground, walking motors configured to drive the wheels, and walking controllers controlling the walking motors, where the wheels include driving wheels. An operation assembly includes an electronic steering wheel and a position sensor, the position sensor is disposed in the electronic steering wheel and configured to detect a rotation operation action of a user on an operation member, and a central controller is communicatively connected to the position sensor, acquires a rotation operation instruction, and controls the driving wheels to actively travel at different speeds for steering through the walking controllers.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A chain saw, comprising: a working component, which comprises a guide plate (11) and a chain (12); a body portion, which comprises a housing (13), wherein the front end of the body portion is configured to enable the working component to be mounted; an electric motor, which is accommodated in the housing (13), and outputs power to drive the working component to work; a power supply device (2), which is detachably connected to the housing (13) to provide electric energy for the chain saw; a display device (34), which is mounted to the housing (13), wherein the display device (34) has a display interface configured to display an operation state of the chain saw; and a control device, which is at least electrically connected to the display device (34), and is configured to be able to light up the display interface in response to any one of multiple instructions. The chain saw can automatically activate the brightness of a display interface of a display device, thus preventing a user from being distracted when the user manually lights up the display interface, and improving the safety performance of the chain saw. Further provided is an electric tool.
A trolley (140), comprising a connecting device (100) formed on or connected to the trolley (140), wherein the connecting device (100) is configured to mount a member to be mounted (110) to the trolley (140), and the connecting device (100) comprises: a base (10), which is formed on or connected to the trolley (140), an accommodating cavity (17) being formed in the base (10); and a coupling assembly (20), which is connected to the base (10), the coupling assembly (20) being configured to connect to the member to be mounted (110). The coupling assembly (20) comprises a connecting member (21), which cooperates with the member to be mounted (110) so as to connect the member to be mounted (110); the coupling assembly (20) has at least a connected state and a hidden state with respect to the base (10); when the coupling assembly (20) is in the connected state, the connecting member (21) is in a matching position capable of cooperating with the member to be mounted (110); and when the coupling assembly (20) is in the hidden state, the connecting member (21) is in a hidden position separated from the matching position.
The present application discloses an adapter and an electric tool. The adapter comprises: a power supply input end, configured to be connected to an alternating current power supply; a power circuit, configured to perform energy conversion on the connected alternating current, so as to obtain electric energy that can be supplied to the electric tool; and a tool interface, configured to be connected to a power supply interface of the electric tool, so as to output the electric energy. The adapter further comprises a data transmission module, which is at least connected to the tool interface and can output first communication data and/or first internal resistance data to the tool interface, so that the electric tool identifies the adapter according to the first communication data and/or the first internal resistance data, wherein the first communication data at least comprises adapter identification data, and the adapter identification data is set so that the electric tool identifies that the connected device is the adapter or a battery pack.
A stand-on mower, comprising: a mowing assembly, which comprises a mowing element configured to implement a mowing function; a support portion, which is configured to support a user; a central control mechanism, which comprises an operation table configured for the user to operate to control the stand-on mower; a traveling assembly, which comprises a front traveling wheel and a rear traveling wheel; a driving assembly, which comprises at least a first electric motor configured to drive the traveling assembly; and a power supply device, which is configured to at least supply power to the first electric motor, wherein the power supply device comprises a plurality of battery packs; at least one of the plurality of battery packs is detachably mounted on a battery compartment; and a ratio of a distance L1 between the power supply device and a front axle of the front traveling wheel to a distance L2 between the power supply device and a rear axle of the rear traveling wheel is greater than or equal to 0.15 and less than or equal to 2.
A01D 34/66 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule à plusieurs couteaux
A fastening tool (100), comprising: an impact assembly (20) comprising a ram (21) configured to impact fasteners (12); a transmission assembly (14) configured to drive the ram (21) to move; a housing (11) supporting the transmission assembly (14); a motor (13) at least partially arranged in the housing (11); and a magazine (30) accommodating the fasteners (12), wherein the magazine (30) comprises: at least two movement channels (102) configured to allow at least some of the fasteners (12) to move therein. The fastening tool (100) is convenient to use and has high working efficiency. Also provided is a magazine (30) applicable to the fastening tool.
The present application discloses a battery pack for supplying power to a power tool, comprising: a sensor for generating sensor data indicating operation parameters of a battery pack; and an electronic control unit comprising a machine learning program. The electronic control unit is configured to: receive the sensor data, use the machine learning program to process the sensor data, and use the machine learning program to generate an output on the basis of the sensor data, wherein the machine learning program comprises a trained neural network model, and the output at least indicates at least one of a state of charge (SoC), a state of temperature (SoT), a state of health (SoH), and a state of power (SoP) of a battery cell. The effective utilization rate of a battery is improved.
A cutting tool includes a housing, a battery pack coupling portion, an electric motor, a control board, a control unit, and a display assembly. The battery pack coupling portion is configured to be connected to a battery pack for powering the cutting tool. The electric motor can drive a working accessory to rotate and is electrically connected to the control board. The cutting tool further includes a display mechanism. The display mechanism includes the control unit and the display assembly. The control unit is electrically connected to the control board. The display assembly is electrically connected to the control unit. When the control unit transmits an electrical signal to the display assembly, the display assembly displays a rotation direction of the electric motor or other information.
B24B 49/10 - Appareillage de mesure ou de calibrage pour la commande du mouvement d'avance de l'outil de meulage ou de la pièce à meulerAgencements de l'appareillage d'indication ou de mesure, p. ex. pour indiquer le début de l'opération de meulage impliquant des dispositifs électriques
B25F 5/02 - Structure des boîtiers, corps ou poignées
The present application provides an electric tool and a chainsaw. The electric tool comprises a motor, a power supply device and an output part, wherein the motor is configured to provide power for the electric tool, the motor comprises a stator and a rotor rotating relative to the stator, and the rotor comprises a rotor core and magnetic steel disposed on the rotor core; the power supply device is at least electrically connected to the motor; the output part is driven by the motor; and the rotor core comprises limiting parts which are arranged at intervals in the direction of an axis L, and the limiting parts are configured to fix the magnetic steel. By using the above technical solution, the mass of the motor is reduced, thereby decreasing motor loss and improving the efficiency of the motor.
A power tool includes a power tool body. The power tool body is configured to be adapted to at least a first battery pack having a first nominal voltage and a first output terminal set and a second battery pack having a second nominal voltage and a second output terminal set, where the first nominal voltage is different from the second nominal voltage. The power tool body includes a first input terminal set configured to be selectively electrically connected to one of the first output terminal set and the second output terminal set to supply power to the power tool body.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
F21L 4/04 - Dispositifs d'éclairage électriques avec des accumulateurs ou des piles électriques incorporés caractérisés en ce qu'une partie du boîtier de la source lumineuse est fixée de façon réglable sur le reste du dispositif
F21V 21/06 - Socles pour lampadaires mobilesFixation des corps de lampadaires aux socles
H02P 4/00 - Dispositions spécialement adaptées à la régulation ou la commande de la vitesse ou du couple de moteurs électriques qui peuvent être connectés à au moins deux alimentations électriques différentes
A cutting device includes a cutting system. The cutting system includes a motor, a cutting assembly including a cutting member and a shield, and a first handle provided with a switch assembly configured to control the motor to switch a state, where in the case where the switch assembly is in a first state, the cutting system is powered off and the shield is positioned at a first position; and in the case where the switch assembly is in a second state, the cutting system is started and the shield is at a second position.
A portable power supply device includes a housing; a power battery; an electrical energy input terminal into which at least electrical energy for charging the power battery is inputted; a first output terminal configured to be capable of being connected to at least a battery pack; and a second output terminal configured to be capable of being connected to at least a direct current (DC) power tool. The power battery is built into the housing, the first output voltage of the first output terminal is less than the second output voltage of the second output terminal, and the first output voltage is greater than 20 V.
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 50/244 - Boîtiers secondairesBâtisDispositifs de suspensionDispositifs de manutentionSupports caractérisés par leur procédé de montage
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H02J 7/34 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon
A power tool includes a tool body, an electric motor disposed in the tool body, and a battery interface configured to be connected to a battery pack for supplying power to the electric motor. The battery pack includes a housing; and a cell module disposed in the housing. The cell module includes multiple cells; a cell holder configured to support the multiple cells; and a circuit board electrically connected to at least the multiple cells. The battery pack further includes a terminal assembly electrically connected to at least the circuit board or the multiple cells and connecting the cell module to the battery interface for electric power transmission; and a silicone immersion coating applied to at least the cell module.
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
B25F 5/02 - Structure des boîtiers, corps ou poignées
H01M 50/231 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par le matériau des boîtiers ou des bâtis ayant une structure en couches
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 50/284 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports comprenant l’insertion de cartes de circuits, p. ex. de cartes de circuits imprimés
H01M 50/296 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les bornes des blocs de batterie
A riding mowing device includes a seat for a user to sit on; a vehicle frame for supporting the seat; a cutting assembly; a traveling assembly including a left drive wheel and a right drive wheel; a power supply assembly mounted to the vehicle frame; and a steering wheel assembly including a steering wheel for the user to turn to control the direction of the riding mowing device, where the steering wheel includes an initial position and an extreme position. The riding mowing device further includes a traveling control module configured to, when the steering wheel rotates from the initial position to the extreme position, decrease the target rotational speed of an inner wheel among the left drive wheel and the right drive wheel and increase the target rotational speed of an outer wheel among the left drive wheel and the right drive wheel.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A01D 34/66 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule à plusieurs couteaux
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A riding lawn mower (100), which comprises: a mower body (100a) having installed thereon a support portion for supporting a user; a motion mechanism (93), comprising motion wheels (931) for supporting the mower body (100a), and a motion motor for driving the rotation of the motion wheels (931); a power supply apparatus (96), comprising at least one battery pack (962) for supplying power to the motion motor; a controller, used for controlling the operation of the motion motor; and a sensing apparatus (4000), configured to sense obstacles in the direction of travel of the riding lawn mower (100). The controller is configured to estimate obstacle-related information on the basis of an output of the sensing apparatus (4000), and to adjust the speed or direction of travel of the riding lawn mower (100) when the information satisfies preset conditions. The lawn mower is a riding lawn mower having an early warning function and an automatic obstacle avoidance function, provides more flexibility to a user and ensures driving safety.
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A router including a housing provided with an accommodation space, wherein the housing forms or connects to a grip for a user to hold; an electric motor connected to or formed with a drive shaft for outputting power, wherein the drive shaft rotates about a first axis; an external thread located on an outer edge of the drive shaft, wherein the external thread is a M14 thread, the drive shaft can be mated with a power output assembly for connecting a tool bit for cutting operations, the power output assembly includes a chuck and a fastener, the chuck is formed on or connected to the drive shaft, the fastener is threaded with the external thread of the drive shaft, and the tool bit is installed or released to the drive shaft when tightening the fastener to the drive shaft or loosening the fastener from the drive shaft.
Disclosed in the present application is an electric tool. The electric tool comprises: an electric motor; a power supply management apparatus, which comprises a power source and is configured to supply power to at least the electric motor; a driving apparatus, which is configured to drive the electric motor to operate so as to implement a main function of the electric tool; and an operation apparatus, which is configured to be operated by a user to enable one or more functions of the electric tool, and output to the power supply management apparatus function signals corresponding to the functions enabled by the user. The electric tool has the main function and at least one auxiliary function. The function signals comprise a main function signal corresponding to the main function and an auxiliary function signal corresponding to each auxiliary function. The power supply management apparatus is further configured to output a first enable signal when any function signal is received, and to output a third enable signal to the driving apparatus when the main function signal is received. The electric tool further comprises a first controller, which is connected to the power supply management apparatus, and is configured to output a first driving signal to the driving apparatus when at least the first enable signal is received. The driving apparatus is further configured to drive the operation of the electric motor when the third enable signal is received and the first driving signal is received.
Provided is a spray fan, belonging to the technical field of electric tools. The spray fan comprises a fan assembly (1), a spray head assembly (2), a motor (19), a battery pack (3) and a battery pack base (4); the spray head assembly (2) is configured to spray mist in front of an air outlet of the fan assembly (1); the motor (19) is configured to drive a fan blade assembly (102) to rotate; the battery pack (3) is configured to supply energy to the motor (19); the battery pack base (4) receives the battery pack (3); a fan housing (101) is configured to rotate around a vertical shaft (1000) with respect to the battery pack base (4). The battery pack base (4) does not rotate around the vertical shaft (1000) along with the fan housing (101), thus reducing the weight of the rotating fan housing (101), achieving a flexible structure and reducing power consumption.
A cutting tool (10) and a power tool system (1). The cutting tool (10) comprises a cutting unit (100), a workbench (200), a liquid storage device (300), and a case (400); the cutting unit (100) comprises a motor (110) and a saw blade (120) driven by the motor (110); the saw blade (120) at least partially protrudes through the workbench (200); the liquid storage device (300) is located below the workbench (200) and comprises an inner cavity configured to contain liquid; the case (400) comprises a box body (410) and a cover body (420); the box body (410) is provided with a first accommodating part (414); the first accommodating part (414) accommodates the liquid storage device (300); the cover body (420) is connected to the box body (410) in an openable/closable manner; the cover body (420) and the box body (410) are combined to form a basically box-shaped storage space; and the cutting unit (100), the workbench (200), and the liquid storage device (300) are accommodated in the storage space. The power tool system (1) comprises a toolbox mechanism and the cutting tool (10); the toolbox mechanism comprises at least one toolbox (900) which is detachably stacked; and the case (400) and the toolbox (900) can be stacked. The cover body (420) and the box body (410) are combined to form a basically box-shaped storage space, thereby facilitating stacking and storage, and ensuring the transportation stability.
B23D 47/02 - Machines à scier ou dispositifs de sciage travaillant au moyen de lames circulaires, caractérisés uniquement par la structure d'organes particuliers des bâtisMachines à scier ou dispositifs de sciage travaillant au moyen de lames circulaires, caractérisés uniquement par la structure d'organes particuliers d'agencements de guidage de la table de travail ou du chariot porte-scie
58.
CHARGING STATION, WHEEL-TYPE POWER TOOL, AND GATEWAY DEVICE
A charging station (10), comprising: a charging station body (101), comprising a housing (111) and a bus interface (112), the bus interface (112) being provided in the housing (111). The charging station (10) further comprises a gateway device (50), and the charging station body (101) is in wired connection and/or wireless connection with the gateway device (50). The charging station (10) performs data interaction with a power tool by means of the gateway device (50) and/or the bus interface (112). The charging station (10) performs data interaction with a cloud server (30) by means of the gateway device (50). Also disclosed are a wheel-type power tool (201) and the gateway device (50) suitable for a power tool system.
Disclosed in the present application are an electric tool and a traveling device. The electric tool comprises: an operating component, which is configured with a maximum output rotation speed; an electric motor, which is configured with a maximum rotation speed; a transmission assembly, which is configured with a transmission ratio; a driving circuit, which comprises one or more driving switches; and a controller, which is used for outputting a control signal to control the one or more driving switches of the driving circuit, wherein at least one driving switch in the driving circuit comprises a wide bandgap semiconductor switch, and the ratio of a required maximum rotation speed of the electric motor to the maximum rotation speed of the electric motor is less than or equal to 0.9. An electric motor system of the electric tool has a good electrical performance.
H02P 7/291 - Dispositions pour réguler ou commander la vitesse ou le couple de moteurs électriques à courant continu pour réguler ou commander individuellement un moteur dynamo-électrique à courant continu en faisant varier le champ ou le courant d'induit par commande maîtresse avec puissance auxiliaire utilisant des tubes à décharge ou des dispositifs à semi-conducteurs utilisant des dispositifs à semi-conducteurs commandant l'alimentation de l'induit seulement utilisant la modulation d'impulsions par commande marche-arrêt entre deux points de consigne, p. ex. commande par hystérésis
H02K 3/12 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre disposés dans des encoches
B25F 5/00 - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
Disclosed in the present application is a nail gun, comprising: a striking assembly comprising a striker configured to strike a fastener and a first piston having the striker mounted; a cylinder assembly comprising a cylinder body, a second piston and an end cover, a cavity configured to accommodate the first piston and the second piston being formed in the cylinder body, and the end cover being connected to a front end of the cylinder body; a shell configured to support the cylinder assembly; a motor arranged in the shell; and a transmission assembly configured to drive the second piston to move in the cylinder body. The end cover comprises: a first end cover portion, which is connected to the shell and comprises a supporting portion for supporting the transmission assembly; and a second end cover portion, which is movably connected to the first end cover portion, wherein the first end cover portion is provided with a first opening, the second end cover portion is connected to the first opening, and when at least a part of the second end cover portion moves away from the first end cover portion, the first opening is exposed to allow the striking assembly to be separated from the cylinder assembly. The nail gun is easy and fast to use.
Disclosed in the present application are an electric tool and a control method therefor. The electric tool comprises: a motor; an output member, driven by the motor so as to execute functions of the electric tool; a power supply apparatus, used for supplying power to the motor; and a driving circuit, electrically connected to the motor. A controller controls the motor to operate so as to drive the output member to work, and acquires motor parameters of the motor in real time; a flux linkage of the motor is estimated on the basis of the acquired motor parameters, and parameters related to the real-time temperature of the motor are estimated on the basis of the flux linkage, thereby controlling the operation of the electric tool according to the acquired parameters. The present application acquires the motor parameters of the motor during an operation process so as to estimate the flux linkage of the motor, and, on the basis of the flux linkage, estimates the parameters related to the motor temperature, so that the motor temperature can be accurately acquired without providing a temperature sensor, thus achieving a simple structure, helping to save production costs, and improving the overall stability of the device.
A battery pack includes: a housing; and multiple cells disposed in the housing. The battery pack further includes a fluorinated fluid disposed in the housing.
H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
H01M 50/213 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules ayant une section transversale courbée, p. ex. ronde ou elliptique
H01M 50/233 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
H01M 50/293 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs caractérisés par le matériau
A bracket table applicable to a storage box includes at least one support member configured to be interlocked with a storage box and a mounting assembly connected to the support member. The mounting assembly includes a first connector connected to the support member. The support member has at least a first state and a second state relative to the first connector. When the support member is in the first state, the support member is at a first position. When the support member is in the second state, the support member is at a second position.
An outdoor wheel-type tool and a battery pack thereof. The battery pack (100) comprises: a case (110); a plurality of battery cells (130); and a battery cell support (140), configured to support the battery cells (130), wherein a plurality of exhaust channels (151) are provided in the case (110), the extension direction of the exhaust channels (151) is substantially perpendicular to the extension direction of the battery cells (130), and the energy of the battery pack (100) is greater than or equal to 2 kW·h.
H01M 50/289 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par des éléments d’espacement ou des moyens de positionnement dans les racks, les cadres ou les blocs
H01M 10/613 - Refroidissement ou maintien du froid
H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage
B62K 5/01 - Motocyclettes avec quatre roues ou plus
65.
OUTDOOR ELECTRICAL DEVICE AND BATTERY PACK THEREOF
An outdoor electrical device and a battery pack thereof. The battery pack (100) comprises: a housing (11); a cell module (12), provided in the housing (11); and a circuit assembly (140), at least electrically connected to the cell module (12). The cell module (12) comprises: a plurality of cells (121); and a cell support (14), configured to support the cells (121). The housing (11) at least forms a first accommodating cavity (101) which can accommodate the cell module (12); a cooling liquid (150) is provided in the first accommodating cavity (101).
Disclosed in the present application is a pipe cleaner. The pipe cleaner comprises a first handle, a roller, a cable, a driving assembly and a feeding assembly, wherein the roller is rotationally connected to the first handle; the cable is wound in the roller; the driving assembly is used for driving the roller to rotate; the feeding assembly is used for feeding or withdrawing the cable and is provided with an outlet for outputting the cable; an output end of the cable extends outwards from the outlet in a first direction; the feeding assembly comprises rotating bodies arranged around the cable and a rotating mechanism capable of rotating around the first direction; and the rotating mechanism is configured to be able to drive, when rotating around the first direction, the rotating bodies to move closer to the cable or move away from the cable. Compared with a way of driving the rotating bodies by means of pressing downward, a way of rotationally driving the rotating bodies better conforms to an operation habit of a user; and the positions of the rotating bodies can be easily changed by the user holding the first handle with one hand, and rotating the rotating mechanism with the other hand, thus being suitable for the user to operate the pipe cleaner at multiple angles.
B08B 9/047 - Nettoyage des surfaces intérieuresÉlimination des bouchons utilisant des dispositifs de nettoyage introduits dans et déplacés le long des tubes déplacés par liaison mécanique actionnée de l'extérieur, p. ex. poussés ou tirés dans les tubes les dispositifs de nettoyage comportant des moteurs pour actionner les outils de nettoyage
E03C 1/302 - Dispositifs pour faciliter l'enlèvement des déchets obstruant les tuyaux de vidange ou les bondes d'évier par déplacement dans les canalisations
Disclosed in the present application is a hair dryer. The hair dryer comprises an air duct for airflow to pass therethrough; a fan assembly comprising fan blades, the fan blades being rotatable around a fan axis of the fan assembly; a motor for driving the fan assembly to rotate; and a battery pack, which can supply power to the hair dryer. The hair dryer further comprises an illumination device comprising light-emitting parts, the total lumen value of all the light-emitting parts of the illumination device being greater than or equal to 280 lm. The hair dryer in the present application is easy to operate in a dark or night environment.
A spray fan includes a fan assembly including multiple fan blades; an electric motor for driving the fan blades to rotate; a spray head assembly configured to spray a liquid; a water pump configured to deliver the liquid; and an adjustment device configured to adjust a flowrate of the liquid and including a channel for the liquid to flow through, where a flowrate of the liquid flowing through the channel decreases and then increases.
A handheld power tool includes a motor, a handle having a first switch for starting and stopping the motor, an output assembly, and an adjustment device including a telescopic rod assembly. The length of the adjustment device changes so that the handheld power tool has at least first and second working states. The distance between the frontmost side of the handheld power tool and the rearmost side of the first switch is an effective length of the handheld power tool. When the handheld power tool is in the first working state, the handheld power tool has a first effective length T1. When the handheld power tool is in the second working state, the handheld power tool has a second effective length T2. The first effective length T1 is less than or equal to 1 m, and the second effective length T2 is greater than the first effective length T1.
The present application belongs to the technical field of tools. Disclosed is an electric tool, comprising a motor and a power supply device. The motor is used for providing power for the electric tool, and the motor comprises a stator and a rotor which rotates with respect to the stator and is at least partially arranged on the outer side of the stator. The power supply device is used for providing electric energy for the motor. The diameter of the rotor is greater than or equal to 50 mm and less than or equal to 105 mm, and the ratio of the rated torque to the mass of the motor is greater than or equal to 4 N·m/kg. The motor has a larger torque capacity due to the relatively large diameter of an armature thereof, and the combination with a weight reduction design controls the overall mass of the motor to be light, such that the motor designed by combining the both has high torque density and power density, thereby improving the heavy-load capacity of the machine while maintaining the whole machine to be in a relatively lightweight state, facilitating user operation and achieving the advantages of miniaturization and light weight.
A chain saw. The chain saw comprises a tool main body (1) and a power supply device (2), wherein the power supply device (2) is configured to supply power to the tool main body (1). The tool main body (1) comprises: a housing (13); a chain (12), which is configured to perform a cutting function; a guide plate (11), which supports and guides the chain (12); a driving device (14), which is arranged at least partially in an accommodating space formed by the housing (13), wherein the driving device (14) comprises a motor (141) configured to drive the chain (12); and a braking device (15), which is arranged to brake the driving device (14). The tool main body (1) comprises a main unit (30), which at least comprises the housing (13), the driving device (14) and the braking device (15). The motor is an outer-rotor electric motor; the power mass density of the main unit (30) is greater than or equal to 0.5 kW/kg and less than or equal to 2.0 kW/kg; and the mass of the main unit (30) is the mass of the tool mian body (1), excluding the chain (12) and the guide plate (11).
Disclosed in the present application is a toolbox system. The toolbox system comprises a first-type storage box, comprising a box body, which is provided with an accommodating cavity for storing items. The toolbox system further comprises: a second-type storage box, which is configured to store items; and at least one interlocking assembly, by means of which the second-type storage box is connected to the first-type storage box. The first-type storage box further comprises: a travelling assembly, which is connected to the box body and comprises at least one wheel; an opening, which can be opened to display the accommodating cavity; and at least a first connector, which can cooperate with the opening so as to enable the opening to be in an open state or a closed state; wherein the opening is provided on a side wall of the box body. The present application provides the toolbox system allowing a user to conveniently take or store items from the accommodating cavity.
B25H 5/00 - Supports ou moyens de rangement des pièces, instruments ou outils, utilisés en liaison avec des véhiculesSupports pour ouvriers, p. ex. plates-formes roulantes pour mécaniciens
A handheld electric tool, comprising: a housing (100), an electric motor (200), an output shaft (300) and a transmission assembly (400), wherein the electric motor (200) is arranged in the housing (100); the output shaft (300) is rotatably arranged on the housing (100); and the transmission assembly (400) comprises a planet gear assembly, an input end of the planet gear assembly being connected to an electric motor shaft (210), and an output end of the planet gear assembly being connected to the output shaft (300). The handheld electric tool has at least three operating modes, wherein during operation in a first operating mode, the rotational speed of the output shaft (300) is less than or equal to 1500 RPM; during operation in a second operating mode, the rotational speed of the output shaft (300) is greater than 1500 RPM and is less than 5000 RPM; and during operation in a third operating mode, the rotational speed of the output shaft (300) is greater than or equal to 5000 RPM.
A lawn mower, comprising a vehicle body (10), a travel assembly (21), an operation assembly (22), a power supply assembly (23), and a communication system (30). The travel assembly comprises travel wheels (211) for driving the lawn mower (10a) to travel on the ground and a travel motor (212) for driving the travel wheels. The operation assembly is configured to be operated by a user to control the lawn mower (100a). The power supply assembly comprises a battery pack (231) and a power supply controller (232), and the power supply assembly provides energy for the travel assembly. The communication system comprises a plurality of control modules connected to functional devices. An all-terrain vehicle is further comprised. The lawn mower and the all-terrain vehicle have the functions of communication link self-recovery and fault self-diagnosis.
H02P 6/06 - Dispositions pour la régulation de la vitesse d'un seul moteur dans lesquelles la vitesse du moteur est mesurée et comparée à une grandeur physique donnée pour ajuster la vitesse du moteur
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
B60L 15/20 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train pour la commande du véhicule ou de son moteur en vue de réaliser des performances désirées, p. ex. vitesse, couple, variation programmée de la vitesse
H02P 21/00 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ
H02P 6/04 - Dispositions pour commander ou réguler la vitesse ou le couple de plusieurs moteurs
75.
POWER TOOL SYSTEM, FIRMWARE UPGRADE METHOD, CHARGING SYSTEM, AND EXTERNAL DEVICE
A power tool system, a firmware upgrade method, a charging system, and an external device. The power tool system comprises a first device and a second device, wherein the first device and the second device are different; and the first device is configured to: download, from a remote device by means of a first communication module, an upgrade package suitable for the second device and store the upgrade package in a memory, and transmit the upgrade package to the second device by means of a second communication module.
A fastening tool includes a housing, a magazine, a striking assembly, a trigger assembly, and a brake assembly, where the housing is formed with an accommodation space, the magazine accommodates a fastener, and the striking assembly is accommodated in the accommodation space and includes a striker, where the striker is configured to move along a striking direction to output a striking force to the fastener; the trigger assembly is configured to trigger a first switch and includes a first state for not triggering the first switch, and when the first switch is not triggered, the striker does not output the striking force; the brake assembly includes a lock state for preventing the striker from moving along the striking direction; and in response to the trigger assembly switching to the first state, the brake assembly switches to the lock state.
A power tool includes a motor, a power terminal, a detection module, and a controller. The power terminal is configured to access a power supply of a battery pack. The detection module is capable of detecting that a first circuit between the power terminal and the battery pack is in a power-on mode or a power-off mode. The controller is capable of controlling a second circuit between the power terminal and the motor to be in a power-on mode or a power-off mode. When the detection module detects that the first circuit is switched from the power-on mode to the power-off mode, the controller controls the second circuit to be in the power-off mode within a first preset time.
B23Q 11/00 - Accessoires montés sur les machines-outils pour maintenir les outils ou les organes de la machine dans de bonnes conditions de travail ou pour refroidir les pièces travailléesDispositifs de sécurité spécialement combinés aux machines-outils, disposés dans ces machines ou spécialement conçus pour être utilisés en relation avec ces machines
A snow thrower includes a first drive shaft enabled to rotate about a first axis; an auger having auger blades mounted to the first drive shaft, a second drive shaft enabled to rotate about a second axis, an impeller having an impeller base mounted to the second drive shaft and impeller blades where the second axis and the first axis are perpendicular to each other, a walking wheel assembly, a first motor configured to drive the walking wheel assembly to rotate, a second motor configured to drive the auger to rotate about the first axis and drive the impeller to rotate about the second axis, a first reduction assembly including first-type gears for realizing power transmission between the second motor and the second drive shaft, and a second reduction assembly including second-type gears for realizing power transmission between the second drive shaft and the first drive shaft.
E01H 5/09 - Enlèvement de la neige ou de la glace des routes ou surfaces analoguesAménagement de la pente ou de la rugosité de la neige ou de la glace par traction animale ou mécaniqueEnlèvement de la neige ou de la glace des routes ou surfaces analoguesAménagement de la pente ou de la rugosité de la neige ou de la glace par traction à bras et entraînement des éléments de détachage ou de transport, p. ex. de transport au moyen d'air comprimé le détachage étant essentiellement effectué par éléments entraînés les éléments étant rotatifs ou se déplaçant sur une trajectoire circulaire fermée, p. ex. fraises rotatives, roues excavatrices
F16H 1/22 - Transmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant plus de deux organes engrenés avec plusieurs arbres d’entraînement ou entraînésTransmissions à engrenages pour transmettre un mouvement rotatif sans engrenages à mouvement orbital comportant plus de deux organes engrenés avec dispositions pour répartir le couple entre plusieurs arbres intermédiaires
H02K 7/116 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des engrenages
H02K 11/00 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection
79.
RIDING LAWN MOWER, DISPLAY INTERFACE OF A POWER TOOL AND RIDING MACHINE
A riding lawn mower includes a seat, a chassis configured to support the seat, a cutting assembly mounted to the chassis, a walking assembly configured to drive the riding lawn mower to walk on a plane, and a steering wheel assembly. The steering wheel assembly includes a steering wheel operable by the user and a connecting rod configured to connect the steering wheel and the chassis. The steering wheel assembly further includes a pivot assembly that rotatably connects the connecting rod and the chassis, and the pivot assembly enables the steering wheel assembly to switch between a working position and a storage position. A distance between the steering wheel and the plane when the steering wheel assembly is in the storage position is smaller than a distance between the steering wheel and the plane when the steering wheel assembly is in the working position.
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A01D 34/68 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A01D 34/69 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur à roues entraînées par un moteur
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
B60K 26/02 - Agencement ou montage sur les véhicules des dispositifs de commande des ensembles de propulsion des moyens ou organes de déclenchement
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
An electric mowing vehicle (100), comprising: a frame (91); a mowing assembly (10) connected to the frame (91); a traveling assembly (93), which is connected to the frame (91) and at least comprises travelling wheels (931); a traveling motor, which is at least configured to drive the traveling wheels (931) to rotate; a power supply device (96) configured to at least supply power to the travelling motor; and a human-computer interaction device (53) configured to display vehicle information or receive information inputted by a user, wherein the human-computer interaction device (53) further comprises a display panel (531) having a touch function; at least a first display page (531a) or a second display page (531b) can be displayed on the display panel (531); and the display panel (531) is configured to be able to switch between the first display page (531a) and the second display page (531b) when receiving a fingerprint touch switching instruction from the user. Further disclosed is an all-terrain vehicle.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
G06F 3/041 - Numériseurs, p. ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
An electric tool, comprising: an electric motor (14), which comprises a rotor and a multi-phase stator winding; a power source interface (15), which is configured to be connected to a power source; and a control circuit, which is connected between the power source interface and the electric motor, and is configured to control the running of the electric motor on a control circuit main loop. The control circuit (20) at least comprises: a drive circuit (21), which comprises a plurality of switch elements (Q1-Q6), which are configured to drive the electric motor to run; a power circuit (22), which has at least two operating states; and a controller (23), which is configured to control the power circuit (22) to operate in a first operating state when a busbar voltage in a control circuit loop is greater than a counter electromotive force of the stator winding, and to control the power circuit (22) to operate in a second operating state when the busbar voltage is less than or equal to the counter electromotive force.
Disclosed is a hand-held electric tool (1), comprising: a grip portion (12) for a user to grip; an output shaft (30), which can rotate around a first axis (301); a mounting device (50) for mounting a working accessory (100) to the output shaft, the working accessory being provided with a mounting port (101) that fits with the output shaft; and an operating member (60), which can drive the output shaft to move along the first axis so as to lock or loosen the working accessory. In the electric tool, the operating member enables the working accessory to be locked or loosened without the need for an additional assembly and disassembly tool, so that the operation is easy, convenient and labor-saving; and the mounting port for the matching working accessory may be a standard circular hole, such that the application range is wider.
B24B 23/02 - Machines de meulage portatives, p. ex. à guidage manuelAccessoires à cet effet comportant des outils de meulage rotatifsAccessoires à cet effet
B25F 5/02 - Structure des boîtiers, corps ou poignées
A hand-held band saw includes a band saw body and an supporting device. The supporting device includes a fixing member, a slider, a supporting member, and a connection assembly. The fixing member is fixedly connected to the band saw body, the slider is slidably connected to the fixing member, the supporting member supports a workpiece and is connected to the slider, and the connection assembly connectes the slider and the supporting member. When the slider moves, the connection assembly is capable of enabling the supporting member to move along with the slider. The connection assembly comprises a buffer member mounted between the slider and the supporting member.
B23D 53/12 - Dispositifs de sciage à lames de scie à ruban, tenus à la main ou manœuvrés manuellement
B23D 55/06 - Machines à scier ou dispositifs de sciage à lames de scie à ruban, caractérisés uniquement par la structure d'organes particuliers de l'entraînement des lames de scie à rubanMachines à scier ou dispositifs de sciage à lames de scie à ruban, caractérisés uniquement par la structure d'organes particuliers des montures de roues
B23D 55/08 - Machines à scier ou dispositifs de sciage à lames de scie à ruban, caractérisés uniquement par la structure d'organes particuliers des dispositifs de guidage ou d'avance des lames de scie à ruban
87.
ELECTRICAL TOOL, AND CONTROL METHOD AND CONTROL DEVICE THEREFOR
Disclosed in the present application are an electrical tool, and a control method and control device therefor. The electrical tool comprises a housing, a motor, a power supply device, a driving circuit, a controller, a first capacitor and a voltage acquisition device. The motor is provided in the housing, and the motor comprises a stator winding and a rotor rotating about the stator winding. The driving circuit comprises a plurality of electronic switches which are electrically connected between the power supply device and the motor, a control end of each electronic switch being electrically connected to the controller. The power supply device is used for outputting a power supply signal to the driving circuit. The driving circuit is used for outputting a driving signal to the motor according to the power supply signal and a control signal provided by the controller. The first capacitor is in parallel connection between the power supply device and the driving circuit. The voltage acquisition device is used for acquiring a bus voltage signal at the front end of the driving circuit and transmitting the bus voltage signal to the controller. The controller is able to control the duty ratio of the control signal to be reduced when the amplitude of a bus voltage is greater than a preset amplitude.
An angle drill includes a housing; an electric motor at least partially disposed in the housing and including a motor shaft rotating about a motor axis; an energy source supplying power to the electric motor and detachably connected to the housing; and an output mechanism including an output shaft rotating about a first axis, where the output shaft is driven by the electric motor, and the first axis intersects with the motor axis. When the torque of the output shaft is greater than or equal to 10 N·m, the ratio of the output power of the angle drill to the weight of the angle drill is greater than or equal to 220 W/kg.
The present application relates to a power tool for cleaning, comprising: a cleaning device comprising a working accessory for cleaning; a driving device comprising a motor for driving the working accessory to rotate, the motor comprising a motor shaft rotating about a first straight line; an operation device for a user to operate so as to control the power tool; a power supply device for providing power to the driving device; and a connecting device for connecting the driving device and the operation device. The operation device comprises a main handle for the user to grip. The power supply device is provided between the main handle and the driving device. The present application alleviates the fatigue of a user when operating a power tool.
A power tool includes a body, a power assembly, an output member, a clamping device, a battery pack, and a baseplate. The body includes a first body and a second body. The first body includes an upper finger stop portion and a lower finger stop portion that are disposed on a rear sidewall of the first body. The upper finger stop portion is disposed above the second body, and the lower finger stop portion is disposed below the second body. An outer diameter of the second body is greater than or equal to 35 mm and less than or equal to 65 mm. A distance between the upper finger stop portion and the lower finger stop portion along the front and rear direction is ΔL, and −15 mm≤ΔL≤30 mm.
B25F 5/02 - Structure des boîtiers, corps ou poignées
B23D 49/16 - Dispositifs de sciage tenus à la main ou entraînés manuellement à lames droites tenues à leurs deux extrémités entraînés par des moteurs, p. ex. par des moteurs électriques ou magnétiques
B23D 51/01 - Machines à scier ou dispositifs de sciage à lames droites, caractérisés uniquement par la structure d'organes particuliersMoyens de support ou d'attache des outils qui, couverts par le présente sous-classe, sont fixés à leur monture à leurs deux extrémités caractérisés par la poignée
H01M 50/204 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A mower includes a cutting assembly including a first motor for driving a cutter to rotate; a chassis supporting the cutting assembly; a walking assembly including walking wheels; and a second motor capable of driving at least the walking assembly to drive the mower to walk on the ground. The mower has a height adjustment mode, and when the mower is in the height adjustment mode, the second motor outputs power to adjust the height of the cutting assembly.
A01D 34/00 - FaucheusesAppareils de fauchage des moissonneuses
A01D 34/68 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A01D 34/69 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur à roues entraînées par un moteur
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
A power tool includes a tool body; an electric motor disposed in the tool body; and a power interface configured to be connected to a battery pack for supplying power to the electric motor. The battery pack includes a housing assembly; a battery cell module disposed in the housing assembly and including at least multiple battery cells; a circuit board disposed in the housing assembly and electrically connected to the multiple battery cells; a battery terminal electrically connected to the multiple battery cells to connect the multiple battery cells to an electrical device for transmitting electric power, and a polyurea coating applied to at least part of the housing assembly.
H01M 50/242 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries contre les vibrations, les collisions ou le gonflement
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/211 - Bâtis, modules ou blocs de multiples batteries ou de multiples cellules caractérisés par leur forme adaptés aux cellules en forme de poche
H01M 50/24 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p. ex. dimensions adaptés pour protéger les batteries de leur environnement, p. ex. de la corrosion
H01M 50/247 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux dispositifs portatifs, p. ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
A wheeled electrical tool, comprising: a main body; a walking mechanism, comprising a walking wheel supporting the main body; a motor, used to drive the walking wheel to rotate, the motor comprising a stator and a rotor rotating relative to the stator. The stator comprises a stator iron core and a plurality of windings provided on the stator iron core; the stator iron core comprises teeth portions for winding the windings; the rotor comprises a rotor iron core and a plurality of steel magnets disposed on the rotor iron core; there are 12 teeth portions, and there are 10 or 14 magnetic pole pairs formed by the plurality of steel magnets; and the included angle α between the two steel magnets constituting one magnetic pole pair is greater than or equal to 30° and less than or equal to 45°.
H02K 21/14 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants tournant à l'intérieur des induits
H02K 1/16 - Noyaux statoriques à encoches pour enroulements
H02K 1/276 - Aimants encastrés dans le noyau magnétique, p. ex. aimants permanents internes [IPM]
H02K 5/18 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des nervures ou des ailettes pour améliorer la transmission de la chaleur
A miter saw includes a first locking mechanism, where when the first locking mechanism is in a first state, a cutting mechanism is fixed relative to a workbench, when the first locking mechanism is in a second state, the cutting mechanism is allowed to rotate relative to the workbench, when the first locking mechanism is in a third state, the rotation of the cutting mechanism relative to the workbench is positioned, and the first locking mechanism includes a first operation member for switching the first state, the second state, and the third state of the first locking mechanism. The miter saw is easy and convenient to operate.
B23D 45/04 - Machines à scier ou dispositifs de sciage à lames circulaires ou à disques à friction la lame circulaire ou la pièce à scier étant portée par un levier à pivot
A power tool includes an electric motor including a rotor and three-phase stator windings, where the stator windings have a certain electrical conduction angle when the electric motor operates; a driver circuit having multiple semiconductor switching elements; a parameter detection module for detecting a working parameter of the operating electric motor; and a controller electrically connected to at least the driver circuit and the electric motor. The controller is configured to acquire the working parameter; and according to the working parameter, correct the electrical conduction angle of the stator windings of the operating electric motor. A power tool that can accurately detect a commutation point and adjust the conduction angle of the electric motor windings accordingly is provided.
H02P 29/028 - Détection d’un défaut, p. ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge le moteur continuant de fonctionner malgré le défaut, p. ex. élimination, compensation ou résolution du défaut
H02P 6/12 - Contrôle de la commutationIndication d'un défaut de commutation
H02P 6/28 - Dispositions pour la commande du courant
H02P 29/032 - Prévention d’un endommagement du moteur, p. ex. détermination de limites individuelles de courant pour différentes conditions de fonctionnement
A lawn mower includes a blade assembly configured to perform a cutting function. The blade assembly includes an upper blade mounted about a blade rotation axis and an upper blade proximal portion being substantially flat and including a first cutting edge. A lower blade is mounted in overlap with the upper blade about the blade rotation axis. The lower blade includes a lower blade proximal portion positioned outward from the lower blade mounting portion in a radial direction, a lower blade end portion positioned outward from the lower blade proximal portion and below the lower blade proximal portion, and a second cutting edge. A lower blade falling portion transitions from the lower blade proximal portion to the lower blade end portion.
A01D 34/68 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur
A01D 34/685 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical dirigés à la main par un opérateur à pied à couteaux ou à roues entraînés par un moteur à plusieurs couteaux
A01D 34/71 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical avec des moyens pour décharger les produits fauchés
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.
A01D 69/02 - Mécanismes d'entraînement ou éléments de ceux-ci pour moissonneuses ou faucheuses électriques
A01D 34/64 - FaucheusesAppareils de fauchage des moissonneuses caractérisés par des particularités relatives au type d'appareil de coupe comportant des couteaux rotatifs comportant des couteaux tournant autour d'un axe vertical montés sur un véhicule, p. ex. un tracteur, ou tirés par un animal ou un véhicule
A01D 34/78 - Mécanismes d'entraînement des couteaux électriques
An electric weeder includes a body and a working head. The body includes a drive mechanism. The drive mechanism includes a motor for driving the working head to rotate around a first axis. The drive mechanism has a first working mode in which the working head is screwed into a workplane and a second working mode in which the working head is unscrewed from the workplane. The direction of rotation of the working head in the first working mode is different from the direction of rotation of the working head in the second working mode. The output rotational speed of the working head is less than or equal to 400 RPM in the first working mode.
A silicon-carbon battery cell for an electric tool, a battery pack, an energy storage device, an electric tool, and a battery pack charger. The silicon-carbon battery cell comprises: a positive electrode sheet (1311); a negative electrode sheet (1312), comprising a silicon material, a carbon material, and a binder; and an electrolyte (1314), provided between the negative electrode sheet (1312) and the positive electrode sheet (1311). The binder comprises polyacrylic acid and butadiene styrene rubber.
H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/13 - Électrodes pour accumulateurs à électrolyte non aqueux, p. ex. pour accumulateurs au lithiumLeurs procédés de fabrication
