Provided in the present invention are a winding structure, a stator, an axial electric motor, a power assembly, and an output device. The winding structure (30) comprises a plurality of conductor components (310), wherein the plurality of conductor components (310) are arranged in an annular body (300); each conductor component (310) comprises a main body portion (311), the main body portion (311) is arranged to extend in the radial direction of the annular body (300), the main body portions (311) of at least some of the plurality of conductor components (310) are connected in series by means of a connecting wire (G4), and lead-out wires (G5) are respectively provided at two ends of a winding formed by connecting the plurality of main body portions (311) in series. This structure not only facilitates the positioning of the main body portions (311) of the conductor components (310), but also facilitates the series connection of the conductor components (310) and the arrangement of the lead-out wires (G5) without requiring a complicated winding process, thereby simplifying the structure and facilitating assembly and preparation.
A vehicle body frame structure (100), comprising: an engine compartment (10); a rear floor (20) arranged opposite to the engine compartment (10) in a first direction; and two first longitudinal beams (30) respectively connected between the engine compartment (10) and the rear floor (20), the two first longitudinal beams (30) being arranged at intervals in a second direction, and the second direction intersecting with the first direction. At least one of the engine compartment (10) and the rear floor (20) is an integrated die casting, and the engine compartment (10), the two first longitudinal beams (30) and the rear floor (20) together enclose a frame for mounting a battery. Also disclosed is a vehicle. The number of vehicle body parts is reduced, thus shortening the production process chain, and improving the manufacturing efficiency and the manufacturing quality.
Provided in the present application are a stator assembly (111), an axial flux motor (11), an electric drive apparatus (10), a system (100), and an electric device. The stator assembly (111) comprises two cores (1111), wherein air-gap sides of the two cores (1111) are arranged facing each other or facing away from each other; the air-gap side of each core (1111) is provided with a plurality of winding slots (11113) arranged around the central axis of the stator assembly (111); and the projection of the core (1111) in the axial direction of the stator assembly (111) is a first projection, in which the direction of length of each winding slot (11113) is inclined relative to the radial direction of the core (1111).
The present application provides a motor controller (11), an electric drive apparatus (10), an electric drive system (100), and an electric device. The motor controller (11) comprises a first control assembly (111), a second control assembly (112), and a cooling assembly (113); the first control assembly (111) is electrically connected to a first motor (12); the second control assembly (112) is electrically connected to a second motor (13); the cooling assembly (113) is used for cooling the first control assembly (111) and the second control assembly (112); and the first control assembly (111), the cooling assembly (113), and the second control assembly (112) are successively stacked.
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A power-off device (3), a battery (100) and an electric device. The power-off device (3) comprises: an insulating base (31) on which at least two conductive pieces are provided; and a circuit breaker piece (32) which is detachably arranged on the insulating base (31), wherein the circuit breaker piece (32) and the at least two conductive pieces (33) are connected in series and are in an electrical connection so that an assembly formed by means of the circuit breaker piece (32) and the at least two conductive pieces (33) can transmit electrical energy, and the circuit breaker piece (32) is configured to be capable of cutting off the electrical connection when a preset condition is satisfied.
Provided are a stator (111), an axial flux motor (11), an electric driving apparatus (10), an electric driving system (100), and an electric device. The stator (111) comprises a stator housing (1111), a stator main body (1112), and a lead-out wire (1113); a wire outlet is formed on an axial side of the stator housing (1111); the stator main body (1112) is accommodated in the stator housing (1111); one end of the lead-out wire (1113) is connected to the stator main body (1112), and the other end of the lead-out wire (1113) passes through the wire outlet.
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H01R 11/11 - End pieces or tapping pieces for wires or cables, supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member
A vehicle assembly line and a vehicle assembly method. The vehicle assembly line comprises: a first overturning station (611) where first overturning is performed on a chassis; a production and conveying device (612) located on the ground and used for receiving the overturned chassis and conveying same; a second overturning station (619) located on the production and conveying device (612), along a conveying path of the production and conveying device (612), the second overturning station (619) being located behind the first overturning station (611), and performing second overturning on the chassis at the second overturning station; a rear axle assembly station (616); and a front axle assembly station (617).
The present application is applicable to the technical field of electric motors, and provides an axial electric motor (100), a power assembly (1000), and an electric device. The electric device comprises the power assembly (1000). The power assembly (1000) comprises the axial electric motor (100). The axial electric motor (100) comprises a rotor (10), a stator (20), and a wiring structure (40). The stator (20) and the rotor (10) are sequentially distributed in the axial direction (Z); the size of the stator (20) in the radial direction (Y) is greater than the size of the rotor (10) in the radial direction (Y), and the radial outer side of the rotor (10) and the stator (20) define an accommodating space (1001); and the wiring structure (40) is connected to the stator (20) and is at least partially located in the accommodating space (1001). In this way, the wiring structure (40) being at least partially located in the accommodating space (1001) allows the arrangement of the wiring structure (40) outside of the stator (20) in the radial direction (Y) to be reduced or even omitted, thereby reducing the size of the axial electric motor (100) in the radial direction (Y).
A cooling mechanism (21), an electrical assembly and a vehicle. The cooling mechanism (21) comprises: a bottom shell (211), which is provided with a cooling compartment having an opening; a cover body (212), which is arranged on the opening; and a flow guide mechanism (213), which is arranged in the cooling compartment and is detachably connected to the cover body (212) and/or the bottom shell (211), wherein the flow guide mechanism (213) is configured to adjust a flow path and/or flow rate of a cooling liquid in the cooling compartment. The flow path and/or flow rate can be flexibly adjusted, thereby improving heat dissipation control and a heat dissipation effect.
Provided in the present application are an axial-flux electric motor (10), an electric drive device (100), an electric drive system and an electric apparatus. The axial-flux electric motor (10) comprises a housing (11), a rotor (12) and a stator (13), wherein the rotor (12) comprises a first housing body (121) and a rotor main body (122), the first housing body (121) having a first accommodating cavity (1211) configured to accommodate the rotor main body (122); and the stator (13) comprises a second housing body (131), a separator (132) and a stator main body (133), the second housing body (131) having a second accommodating cavity (1314) configured to accommodate the stator main body (133), the separator (132) being arranged between the first housing body (121) and the second housing body (131), the second housing body (131) and the separator (132) being fixedly connected to the stator main body (133), and the stator main body (133) being fixedly connected to the housing (11).
The present application discloses a joint apparatus and a vehicle body. A technical solution used in the present application comprises: providing a joint apparatus, the joint apparatus comprising: a frame body, comprising a plurality of side walls that are sequentially connected, the interior of the plurality of side walls forming an internal space of the frame body, and at least one side wall being configured to be connected to an external component; and at least one reinforcing member, configured in the internal space of the frame body, the reinforcing member being connected to the side walls, a plurality of accommodating spaces being formed in the internal space of the frame body, and a reinforcing structure being arranged in at least one of the accommodating spaces. In the above means, the frame body can implement connection among a plurality of external components, and the reinforcing structure is provided, so that the structural strength of the frame body can be enhanced and force can be better transmitted, thereby providing a good lateral pushing support function.
The present application discloses a multi-way valve, a thermal management system, and a vehicle. The multi-way valve (10) comprises: a valve body (1), provided with a mounting cavity (11), the valve body comprising a valve body bottom wall (101) and a valve body side wall (102); and a valve core (2), rotatably arranged in the mounting cavity. In the circumferential direction of the valve body, a plurality of first circulation openings (12) are provided in the side wall of the valve body at intervals, and a plurality of second circulation openings (13) are provided in the bottom wall of the valve body at intervals; a plurality of circulation grooves (21) are provided in the valve core, groove openings of the circulation grooves face the side wall of the valve body, and the groove openings are used for communicating the first circulation openings with the circulation grooves; the side wall of the side of each circulation groove corresponding to the valve body bottom wall is provided with a flow passage hole (22), and the flow passage hole is used for communicating the circulation groove with the at least one second circulation opening. The multi-way valve provided by the solution of the present application has the functions of connection mode switching and flow regulation and control, thereby facilitating simplifying the structure of the multi-way valve, improving the integration level of the multi-way valve, and reducing the number of valves, thus improving the integration level of the thermal management system.
F16K 11/074 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with pivoted closure members with flat sealing faces
F16K 27/04 - Construction of housingsUse of materials therefor of sliding valves
13.
MOTOR, ELECTRIC DRIVE APPARATUS, ELECTRIC DRIVE SYSTEM, AND ELECTRICALLY POWERED DEVICE
The present application provides a motor (11), an electric drive apparatus (10), an electric drive system (100), and an electrically powered device. The motor (11) comprises a first housing (111), a stator (112), and a rotor (113); the first housing (111) comprises a housing main body (1111) and a partition (1112); the partition (1112) is arranged in the housing main body (1111) so as to partition the interior of the housing main body (1111) into a first accommodating space (1113) and a second accommodating space (1114); the stator (112) is accommodated in the first accommodating space (1113); the stator (112) is connected to the partition (1112); and the rotor (113) is accommodated in the second accommodating space (1114).
A battery (1000) case (100), a battery (1000), and an electric device (2000). The case (100) comprises: a case body (10), the case body (10) defining an accommodating cavity (101) and a heat dissipation channel (102), the accommodating cavity (101) being used for accommodating battery cells (200) of the battery (1000), and a cavity wall of the accommodating cavity (101) being provided with a heat dissipation inlet (103) of the heat dissipation channel (102); and a first guide member (21), wherein the first guide member (21) defines a first guide channel (211), and two ends of the first guide member (21) are respectively in sealing fit with the battery cells (200) and the cavity wall of the accommodating cavity (101), such that the first guide channel (211) is communicated with a first pressure relief portion (210) and the heat dissipation inlet (103) of the battery cells (200).
An interlayer insulation paper (23), a stator (20), an axial motor (100), an electric drive assembly (1001) and a driving device. The interlayer insulation paper (23) comprises in-slot insulation paper (24) arranged in a stator slot (210) of a stator (20), an end part of the in-slot insulation paper (24) being connected to end insulation paper (25), the end insulation paper (25) and the in-slot insulation paper (24) being matched in shape with a winding (22) mounted in the stator slot (210). When the winding (22) is mounted, the squeezing deformation of the interlayer insulation paper (23) can be reduced, thereby effectively reducing damage to the interlayer insulation paper (23) and improving the insulation property; in addition, after the in-slot insulation paper (24) is placed in the stator slot (210), the in-slot insulation paper (24) can be positioned by means of the cooperation of the end insulation paper (25) and the side wall of the stator slot (210), so as to position the interlayer insulation paper (23).
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
16.
SLOT INSULATION PAPER, STATOR, AXIAL MOTOR, ELECTRIC DRIVE ASSEMBLY, AND DRIVING DEVICE
Provided are slot insulation paper (23), a stator (20), an axial motor (100), an electric drive assembly (1001), and a driving device. The slot insulation paper (23) comprises: a main body (240), wherein the middle thereof in the width direction can be bent towards one side in the thickness direction; a first covering portion (251), arranged at one end of the main body (240) in the width direction and extending towards one side of the main body (240) in the thickness direction; a second covering portion (252), arranged at the other end of the main body (240) in the width direction and extending towards one side of the main body (240) in the thickness direction; a first folding portion (261), arranged between the main body (240) and the first covering portion (251) and extending towards the other side of the main body (240) in the thickness direction; and a second folding portion (262), arranged between the main body (240) and the second covering portion (252) and extending toward the other side of the main body (240) in the thickness direction.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
17.
EFUSE CIRCUIT AND CONTROL METHOD THEREFOR, VEHICLE AND ELECTRICAL DEVICE
The present application discloses an eFuse circuit and a control method therefor, a vehicle and an electrical device. The eFuse circuit comprises: a current transmission path having a controllable switch, a detection circuit and a control circuit. The current transmission path is used for connecting a load to a power node, and the controllable switch is used for conducting or disconnecting the current transmission path according to a driving signal; the detection circuit is used for detecting electrical parameters of the current transmission path and outputting corresponding sensing signals; and the control circuit is used for outputting, when any of the sensing signals reaches or exceeds a preset parameter, a driving signal for turning off the controllable switch, wherein the electrical parameters of the current transmission path comprise electrical parameters provided by the power node for the load and working parameters of the controllable switch. When any one of the parameters exceeds expectations, the current transmission path is disconnected, so that the eFuse circuit realizes multi-parameter protection, and there is no longer a single function.
H02H 3/10 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current additionally responsive to some other abnormal electrical conditions
An auxiliary frame of a vehicle, said frame comprising a frame body (10), supports (20) and connecting members (30); each support (20) comprises a first end (21) and a second end (22) opposite one another; the first end (21) is connected to the frame body (10), and a connecting member (30) is connected to the second end (22); each connecting member (30) is provided with a connecting hole (31); the connecting hole (31) penetrates through the connecting member (30) in a first direction (X), and the connecting hole (31) extends to an edge (32) of the connecting member (30) in a second direction (Y) to form an opening (33), the first direction (X) being perpendicular to the second direction (Y). Further disclosed is a vehicle comprising the described auxiliary frame of a vehicle. Each connecting hole (31) extends to an edge (32) of a connecting member (30) in the second direction (Y) to form an opening (33), enabling a force-bearing weak point to be provided on the connecting hole (31). When the auxiliary frame bears a large external force, the connecting holes (31) are easily deformed, so that a mounting member in each connecting hole (31) is separated from the connecting member (30), thereby achieving the separation of the auxiliary frame from the vehicle body, enabling the auxiliary frame to normally provide a collision energy absorption space for the vehicle, and improving the use reliability of the vehicle.
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
B62D 21/09 - Means for mounting load bearing surfaces
19.
APPLICATION PROGRAM AUTHENTICATION METHOD, AND AUTHENTICATION DEVICE
The present application provides an application program authentication method and an authentication device. The method comprises: acquiring an aggregate public key and an aggregate signature (S110); using the aggregate public key to verify the aggregate signature so as to obtain an authentication result for a target program; wherein the aggregate public key is an aggregate of N public keys corresponding to N application programs on a first terminal, the N application programs comprise a target program and N-1 auxiliary programs, and the aggregate signature is obtained by aggregating N pieces of signature data obtained by each of N application programs signing the target program, where N is an integer greater than or equal to 2 (S120); moreover, public keys of application programs configured on different terminals belong to different abelian groups, and public keys of application programs configured on the same terminal belong to the same abelian group. The authentication method provided by the present application allows application program authentication to be decoupled from hardware attributes, thereby avoiding the problem of hardware damage or replacement causing an application program to no longer be able to be started normally.
G06F 21/64 - Protecting data integrity, e.g. using checksums, certificates or signatures
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
Provided in the present application are a cable fixing assembly (100) and an electric device (1000). The cable fixing assembly (100) comprises a fixing structure (10) and a plurality of sealing assemblies (20), wherein the fixing structure (10) is configured to connect to an external structure, the fixing structure (10) is provided with a first mounting end face (10a), and the fixing structure is provided with a plurality of through holes (10c) adapted for penetration of cables; and the sealing assemblies (20) are configured to seal the peripheries of the cables, one end of each sealing assembly (20) is fixedly connected to the first mounting end face (10a) of the fixing structure (10), and the sealing assemblies (20) correspond to the through holes (10c) on a one-to-one basis. The fixing and sealing requirements for a plurality of cables can be met by providing one cable fixing assembly (100), such that the overall size is smaller, and the occupied space is also smaller; thus, the spatial arrangement is more rational. Moreover, the fixing structure is of an integrated structure and can maintain the consistency of the fixing and limiting effects of all the cables, thereby improving the installation stability of the cables.
H02G 3/32 - Installations of cables or lines on walls, floors or ceilings using mounting clamps
F16L 21/04 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
A vehicle and a chassis assembly (20) thereof. The chassis assembly comprises a frame (21), a first side member (41), a second side member (42), a guard assembly (50), and a battery cell (30), wherein the frame comprises a first supporting beam (211) and a second supporting beam (212), which separately extend in a first direction (X) and are spaced apart from each other in a second direction (Y), the first direction intersecting the second direction; the first side member and the second side member are spaced apart from each other in the first direction and are respectively connected to the first supporting beam and the second supporting beam; the guard assembly is connected to the first supporting beam, the second supporting beam, the first side member and the second side member, and form an accommodating cavity by means of enclosure with the first supporting beam, the second supporting beam, the first side member and the second side member; and the battery cell is accommodated in the accommodating cavity. The structure of the chassis assembly can improve the bearing capacity and improve the collision performance in the second direction; and the expansion of the battery cell is limited by using the first side member and the second side member, thereby improving the reliability of the battery cell.
A lower vehicle body, a chassis and a vehicle. The lower vehicle body (2) is provided with a connecting structure (2a), and the connecting structure (2a) is used for matching a connecting member (3) to detachably connect the lower vehicle body (2) and an upper vehicle body (1). By providing the connecting structure (2a) on the lower vehicle body (2), the lower vehicle body (2) can be detachably connected to the upper vehicle body (1) by means of the connecting member (3), such that separation and decoupling between the upper vehicle body (1) and the lower vehicle body (2) are achieved, and the upper vehicle body (2) can be replaced according to requirements, thereby shortening the research and development cycle and reducing costs. The lower vehicle body (2) can match the upper vehicle bodies (1) of different models, thereby meeting the requirements of users for model diversification.
A vehicle, comprising an upper vehicle body (1), a lower vehicle body (2), and a sealing component (3), wherein the lower vehicle body (2) is detachably connected to the upper vehicle body (1), and an abutment area (4) is formed between the upper vehicle body (1) and the lower vehicle body (2); the sealing component (3) is clamped between the upper vehicle body (1) and the lower vehicle body (2); and at least part of the abutment area (4) is located on the side of the sealing component (3) away from a passenger compartment (5) of the vehicle. By means of the sealing component (3) and the abutment area (4), multiple seals between the upper vehicle body (1) and the lower vehicle body (2) can be achieved, reducing the amount of impurities entering the passenger compartment, improving the passenger experience, and improving the reliability of the vehicle.
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
A lower vehicle body, a chassis and a vehicle, the lower vehicle body (1) comprising an energy compartment (10), a side beam (20) and a longitudinal beam (30); the energy compartment comprises a compartment body (11) and a top cover (12), the top cover being disposed at one end of the compartment body along a first direction; at least one side of the energy compartment in a second direction is provided with a side beam, the side beam being connected to the top cover. At least one side of the side beam in a third direction is connected to the longitudinal beam. The first direction, the second direction and the third direction intersect, and the side beam and the longitudinal beam are located at a side of the top cover facing away from the compartment body in the first direction. The lower vehicle body has high reliability when undergoing a collision.
A side beam structure (10), comprising a first main body structure (100) and a second main body structure (200) which extend in a first direction, so as to be formed, wherein the first main body structure (100) is located on a side of the second main body structure (200) in a second direction and is fixedly connected to the second main body structure (200); the first main body structure (100) encloses to form a closed first accommodating cavity (110); the second main body structure (200) is configured to connect a front torsion box (21) and a rear torsion box (22); and the first main body structure (100) and the second main body structure (200) are integrally arranged. In the side beam structure, the first main body structure and the second main body structure are fixedly connected, such that battery cells can be sealed, and load transmission from the front torsion box to the rear torsion box can also be ensured, thereby increasing level of integration of an internal structure of a vehicle.
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
An under body, a chassis, and a vehicle. The under body (3) comprises a first cross beam (32), a first longitudinal beam (31), a torque box (4), a first cover plate (33), and a second cover plate (34). The torque box (4) comprises a main body portion (11), a first connecting plate (12), and a second connecting plate (13); the main body portion (11) is connected to the first cross beam (32) and the first longitudinal beam (31); and the first connecting plate (12) and the second connecting plate (13) are arranged spaced from each other and connected to the main body portion (11). The first cover plate (33) is connected to the first connecting plate (12), and the second cover plate (34) is connected to the second connecting plate (13). The torque box (4), the first cover plate (33), and the second cover plate (34) are used for forming at least a part of a battery box (5), and the battery box (5) is used for accommodating a battery cell (1).
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B62D 25/00 - Superstructure sub-unitsParts or details thereof not otherwise provided for
Provided in the present application are a vehicle and a chassis assembly thereof. The chassis assembly comprises a first longitudinal member, a second longitudinal member and a cross member, wherein the first longitudinal member and the second longitudinal member separately extend in a first direction and are spaced apart from each other in a second direction; the first direction intersects the second direction; and the cross member extends in the second direction, is connected to the first longitudinal member and the second longitudinal member, and is detachably connected to an upper body of the vehicle. In the vehicle and the chassis assembly thereof provided in the present application, the cross member is configured to be detachably connected to the upper body of the vehicle, so as to facilitate a process of assembling the chassis assembly and the upper body, thereby improving the flexibility of the process of assembling the upper body and the chassis assembly; and when the chassis assembly or the upper body needs to be maintained, the upper body can be detached from the chassis assembly, so as to facilitate the maintenance of the upper body or the chassis assembly. The convenience of a process of connecting the chassis assembly to the upper body is improved, and an improvement in the convenience of the maintenance of the upper body or the chassis assembly is also facilitated.
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
A power supply system (2) of a vehicle, and a vehicle. The vehicle comprises a safety load (11) and a safety backup load (12). The power supply system (2) comprises two redundant power supply circuits (20). One of the two redundant power supply circuits (20) is used for providing redundant power supply for the safety load (11), and the other one is used for providing redundant power supply for the safety backup load (12). In this way, effective isolation of power supply of the safety load (11) and the safety backup load (12) of the vehicle can be achieved, thereby improving the safety of the vehicle.
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
An underbody (6) of a vehicle, a skateboard chassis (8), and a vehicle (1). The underbody (6) comprises an engine compartment assembly (61), a middle assembly (62), and a floor assembly (63). The middle assembly (62) is used for mounting battery cells (5), the engine compartment assembly (61) and the floor assembly (63) are connected to two ends of the middle assembly (62), and at least one of the engine compartment assembly (61) and the floor assembly (63) is detachably connected to the middle assembly (62). The cost of the vehicle can be reduced.
A chassis assembly (40) of a vehicle. The chassis assembly (40) comprises a frame beam (41) and a conduit member (42), wherein the frame beam (41) comprises a beam body (411) and a reinforcing beam (412); the beam body (411) form an accommodating cavity (41a) by means of enclosure; the reinforcing beam (412) is arranged in the accommodating cavity (41a) and is connected to the beam body (411); the frame beam (41) is provided with a conduit chamber (41b); the reinforcing beam (412) encloses at least part of a peripheral side of the conduit chamber (41b); the conduit chamber (41b) is arranged in such a way that same penetrates the frame beam (41) in the extension direction of the frame beam (41); and the conduit member (42) penetrates the conduit chamber (41b). In such a chassis assembly (40), the space inside the frame beam (41) is used to arrange the conduit member (42), such that the space inside the frame beam (41) is fully utilized without affecting the normal performance of the frame beam (41), thereby reducing the excessive space outside the frame beam (41) that is occupied by the conduit member (42), facilitating the optimization of the spatial layout of related structural members of the chassis assembly (40), and improving the compactness of the structure of the chassis assembly (40). A vehicle (1) is further comprised.
A vehicle. The vehicle comprises an upper vehicle body (1), a lower vehicle body (2) and a connector (3), wherein the upper vehicle body (1) is detachably connected to the lower vehicle body (2) by means of the connector (3). The upper vehicle body (1) and the lower vehicle body (2) can realize separate decoupling and connection of the upper vehicle body (1) and the lower vehicle body (2) by means of mounting and dismounting the connector (3), thereby realizing independent development of the upper vehicle body (1) and the lower vehicle body (2), enabling the upper vehicle body (1) and the lower vehicle body (2) to be replaced according to requirements, shortening the research and development period, and reducing costs.
An upper vehicle body (1) and a vehicle. The upper vehicle body (1) is provided with a connecting structure (1a), and the connecting structure (1a) is used for cooperating with a connecting member (3) to detachably connect the upper vehicle body (1) and a lower vehicle body (2). The arrangement of the connecting structure (1a) on the upper vehicle body (1) enables the lower vehicle body (2) and the upper vehicle body (1) to be detachably connected by means of the connecting member (3), thereby achieving separating and decoupling of the upper vehicle body (1) and the lower vehicle body (2), enabling the lower vehicle body (2) to be replaced as needed, shortening the research and development period, and reducing the cost. The upper vehicle body (1) can be matched with lower vehicle bodies (2) of different styles to meet users' need for diverse styles.
A vehicle body (400) and a vehicle (1000). The vehicle body (400) comprises a floor (1), two first side members (2), a first cross member (3) and a reinforcing plate (4), wherein the two first side members (2) are spaced apart in a first direction and are connected to the floor (1); the first cross member (3) extends in the first direction, is connected to the floor (1), and is positioned between the two first side members (2), and the first cross member (3) is used for mounting seats; and the reinforcing plate (4) is at least partially positioned between the first cross member (3) and the floor (1), and is used for connecting the first side members (2) to the first cross member (3). By means of providing the reinforcing plate (4), a double-layer structure is formed at the joints of the first side members (2) and the first cross member (3), thereby significantly enhancing the mechanical strength of the joints of the first side members (2) and the first cross member (3) and reducing the risk of the first side members (2) and the first cross member (3) being bent at the joints and failing during collision; in addition, the first side members (2) and the first cross member (3) are connected by means of the reinforcing plate (4), such that connecting structures arranged on the first cross member (3) can also be reduced, thus effectively reducing the structural complexity of the first cross member (3) and facilitating the forming of the first cross member (3).
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
A side beam assembly (40), a chassis, and a vehicle (1). The side beam assembly (40) is used for the vehicle (1), the side beam assembly (40) comprises a plurality of side beam structures (41) that are sealingly connected to each other to define an accommodating space (41a), and the accommodating space (41a) is used for accommodating battery cells (21), wherein at least one side beam structure (41) is configured to be connected to a vehicle body (13) of the vehicle (1).
B62D 21/18 - Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups
H01M 50/264 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
An underbody structure (1), a chassis (100), and a vehicle (1000). The underbody structure (1) comprises a chemical compartment (10) and a longitudinal beam (20). The chemical compartment (10) comprises a compartment body (11) and side beams (12). The side beams (12) are connected to two sides of the compartment body (11) in a first direction (X), the side beams (12) extend in a second direction (Y), and the first direction (X) and the second direction (Y) intersect with each other. At least one side of the chemical compartment (10) in the first direction (X) is provided with the longitudinal beam (20), and the longitudinal beam (20) is attached to and connected to the side beam (12).
B62D 23/00 - Combined superstructure and frame, i.e. monocoque constructions
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
A chassis assembly (100), comprising a chassis frame (1), and a tray (2) and a floor (3) which are connected to the chassis frame (1), wherein the chassis frame (1), the tray (2) and the floor (3) cooperate to define an accommodating cavity (4); the tray (2) comprises a cooling plate (21); a plurality of battery cells (5) are provided on the cooling plate (21); and the plurality of battery cells (5) are located in the accommodating cavity (4). The chassis assembly (100) can effectively improve the level of integration of a whole vehicle and optimize a power distribution space. Further disclosed is a vehicle comprising the chassis assembly.
The present application provides a chassis assembly (100) and a vehicle (1000). The chassis assembly (100) comprises a chassis frame (1), a tray (2) connected to the chassis frame (1), and a floor (3) located above the tray (2); the tray (2) and the floor (3) define an accommodating cavity (4); the tray (2) comprises a cooling plate (21), and a plurality of battery cells (5) are provided on the cooling plate (21); the plurality of battery cells (5) are located in the accommodating cavity (4). The chassis assembly (100) provided in the present application can effectively improve the integration level of the vehicle and optimize the power distribution space.
H01M 50/289 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
A vehicle chassis (4), the chassis (4) comprising a lower vehicle body (2) and a plurality of battery cells (8). The lower vehicle body (2) comprises a frame (20), the frame (20) having an accommodating cavity (20b). The plurality of battery cells (8) are arranged in the accommodating cavity (20b) and connected to the frame (20), and the frame of the chassis is detachably connected to an upper vehicle body. Also disclosed is a vehicle, comprising the upper vehicle body (1) and the chassis (4). The frame of the lower vehicle body of the vehicle can also function as a battery box at the same time, thereby reducing partial redundant structures of traditional batteries. The detachable connection of the upper vehicle body and the chassis allows the upper vehicle body and the chassis to be replaced according to requirements.
B60K 1/04 - Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
B62D 21/02 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
39.
LOWER VEHICLE BODY, SKATEBOARD CHASSIS, AND VEHICLE
Disclosed are a lower vehicle body of a vehicle, a skateboard chassis, and a vehicle. The lower vehicle body includes an front compartment, a energy compartment frame, and a rear compartment. The energy compartment frame is configured for mounting battery cells, and the front compartment and the rear compartment are connected to two ends of the energy compartment frame. At least one of the front compartment and the rear compartment is detachably connected to the energy compartment frame. Costs of vehicles can be reduced.
This application provides a vehicle and a chassis thereof. The vehicle includes an upper vehicle body and a chassis. The chassis includes a lower vehicle body and a plurality of battery cells. The lower vehicle body includes a frame, and the frame has an accommodation cavity. The plurality of battery cells are disposed in the accommodation cavity and are connected to the frame. The frame of the chassis is detachably connected to the upper vehicle body. The battery cells are mounted in the accommodation cavity of the frame, so that the frame of the lower vehicle body can also serve as a battery box. This eliminates some redundant structures of a conventional battery, increases a range of the vehicle, and achieves effects of weight reduction and cost reduction.
B62D 21/15 - Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
B62D 21/03 - Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members transverse members providing body support
B62D 24/00 - Connections between vehicle body and vehicle frame
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
H01M 50/271 - Lids or covers for the racks or secondary casings
An electric drive assembly and an electric device. The electric drive assembly (1001) comprises: two electric motors (20) which are axially spaced apart; two variable-speed mechanisms (30) which are respectively connected to the two electric motors, wherein the two variable-speed mechanisms are at least partially positioned between the two electric motors; and two cooling systems (40) which respectively sequentially supply lubricating oil to the two electric motors and corresponding variable-speed mechanisms and are in communication with each other at oil outlet ends of the two electric motors. The two cooling systems are in communication with each other at the oil outlet ends of the two electric motors, and thus each cooling system can supply oil to the two variable-speed mechanisms, such that complementation of oil supply of the two cooling systems to the two variable-speed mechanisms is realized, and especially, when the electric drive assembly is inclined, the amount of lubricating oil supplied to each variable-speed mechanism can be ensured, so as to lubricate each variable-speed mechanism well, thereby improving the utilization rate of the lubricating oil and reducing loss.
An electric drive assembly and an electric device. The electric drive assembly (1001) comprises: a motor (20); a speed change mechanism (30) connected to the motor (20); and a cooling system (40) for supplying lubricating oil to the motor (20) and the speed change mechanism (30) in sequence. By providing the cooling system (40) to supply lubricating oil to the motor (20) and the speed change mechanism (30) in sequence, the loss of the cooling capacity of the lubricating oil in the speed change mechanism (30) is reduced, thereby improving the cooling efficiency and the cooling capacity utilization rate and reducing loss.
Provided are an electric motor (11), an electric driving apparatus (10), an electric driving system (100), and an electrical device. The electric motor (11) comprises a housing (111) and a stator (112); a first accommodating cavity (1113) is provided inside the housing (111), the first accommodating cavity (1113) being used for accommodating a cooling medium; the stator (112) is arranged in the first accommodating cavity (1113), at least part of the stator (112) being immersed in the cooling medium.
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
44.
MOTOR ROTOR, MOTOR, POWERTRAIN, AND ELECTRIC DEVICE
The present application is applicable to the technical field of motors (100), and provides a motor rotor (10), a motor (100), a powertrain (1000), and an electric device. The electric device comprises the powertrain (1000), the powertrain (1000) comprises the motor (100), and the motor (100) comprises the motor rotor (10), a stator (20) and a rotating shaft (30). The motor rotor (10) comprises a mounting frame (11) and magnetic steel (12), and the magnetic steel (12) is mounted on the mounting frame (11). The mounting frame (11) is provided with a limiting wall (101), and the limiting wall (101) is used for resisting radial centrifugal movement of the magnetic steel (12). By providing the limiting wall (101) on the mounting frame (11), the limiting wall (101) can distribute stress generated on the mounting frame (11) due to radial centrifugal movement of the magnetic steel (12), so that the mounting frame (11) can withstand large stress, thereby mitigating the problem that the magnetic steel (12) is thrown out when the motor rotor (10) rotates, and making the motor rotor (10) meet the requirement of high rotation speed.
Provided in the present application are an electric drive device (10), an electric drive system (100) and an electric apparatus. The electric drive device (10) comprises a first electric motor (11), a second electric motor (12), a transmission mechanism (13) and a controller (14), wherein the second electric motor (12) is spaced apart from the first electric motor (11) in the axial direction of the first electric motor (11); the transmission mechanism (13) is arranged between the first electric motor (11) and the second electric motor (12); the controller (14) is arranged between the first electric motor (11) and the second electric motor (12); and at least part of the controller (14) and at least part of the transmission mechanism (13) are respectively arranged on two opposite sides of a rotating shaft of the first electric motor (11).
A flow dividing member (10), a transmission mechanism (200) and a driving assembly (100). The flow dividing member (10) is provided with a flow collecting channel (111) and a flow dividing channel, wherein the flow collecting channel (111) is provided with a flow collecting port (111a), and the flow collecting port (111a) is configured to introduce a liquid medium; the flow dividing channel is in communication with the flow collecting channel (111), and is provided with a plurality of flow dividing ports configured to provide the liquid medium to different positions of a transmission device (300).
A drainage component (400), a transmission mechanism (200), and a driving assembly (100). The drainage component (400) comprises a flow distribution member (10) and a flow guide member (20); the flow distribution member (10) is provided with a first flow distribution channel (112) and a second flow distribution channel (113), and the first flow distribution channel (112) is configured to provide a liquid medium to a transmission component (301); the flow guide member (20) is provided with a flow guide channel, and the flow guide channel is communicated with the second flow distribution channel (113) and is configured to provide a liquid medium to a shaft component (302). A liquid medium for lubrication and cooling can be comprehensively and accurately provided to the transmission component (301) and the shaft component (302) in the transmission mechanism (200) with high stability and high efficiency.
F16H 57/04 - Features relating to lubrication or cooling
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/091 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
Disclosed are an electric drive assembly and an electric device. The electric drive assembly includes a motor, a speed shifting mechanism connected to the motor, and a cooling system configured to supply lubricating oil to the motor and the speed shifting mechanism in sequence. With the cooling system provided, lubricating oil is sequentially supplied to the motor and the speed shifting mechanism, reducing the loss of the cooling capacity of lubricating oil in the speed shifting mechanism, improving the cooling efficiency and the utilization rate of the cooling capacity, and reducing the loss.
The present disclosure is applicable to the technical field of motors, and provides a motor rotor, a motor, a power assembly, and an electric apparatus, where the electric apparatus includes a power assembly, the power assembly includes a motor, and the motor includes a motor rotor, a stator, and a rotation shaft. The motor rotor includes a mounting frame and a magnet steel mounted to the mounting frame. The mounting frame is provided with a limiting wall for resisting a centrifugal movement of the magnet steel in a radial direction. By providing the limiting wall on the mounting frame, the limiting wall may share the stress of the mounting frame due to the centrifugal movement of the magnet steel in the radial direction, so that the mounting frame may bear a greater stress, thus alleviating the problem that the magnet steel is thrown out when the motor rotor rotates.
Disclosed are a motor, an electric drive device, an electric drive system, and an electric apparatus. The motor includes a casing and a stator. The casing has a first accommodation cavity configured to accommodate a cooling medium. The stator is disposed in the first accommodation cavity. At least part of the stator is immersed in the cooling medium.
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
51.
TRANSPORTATION DEVICE AND THERMAL MANAGEMENT SYSTEM AND THERMAL MANAGEMENT METHOD THEREFOR
A transportation device and a thermal management system and method therefor are disclosed. The thermal management system includes an air-conditioning system, a thermal management loop, and an auxiliary heater. The thermal management loop is configured to circulate a first heat-conducting medium to perform thermal management on a specified part of the transportation device. The thermal management loop is capable of exchanging heat with the air-conditioning system to selectively transfer heat generated by the specified part to the air-conditioning system at least when the air-conditioning system is in a heating state, to provide at least a partial heat source for an evaporation process of the air-conditioning system. The auxiliary heater is configured to selectively replenish heat for the thermal management loop. This solution improves the heating effect of the air-conditioning system.
The embodiments of the present disclosure provide a rotor and a disc motor. The rotor is divided into a plurality of magnetic pole units in a circumferential direction of the rotor, and each of the plurality of magnetic pole units includes at least two magnetic bodies. The magnetic bodies of each of the plurality of magnetic pole units have a same magnetization direction and the magnetic bodies of any two adjacent magnetic pole units have opposite magnetization directions. The embodiments of the present disclosure increase the number of magnetic barriers in the magnetic pole unit, which is beneficial to reducing the armature reaction and iron loss of the stator. At the same time, the magnetization effect of the rotor is improved, ultimately the torque density and efficiency of the motor is improved.
The present application provides an axial motor rotor, an axial motor, a power assembly, and an output device. The axial motor rotor (10) comprises a retainer (12); and a plurality of permanent magnets (11) supported in the retainer (12), the plurality of permanent magnets (11) being sequentially arranged in the circumferential direction of the retainer (12). A magnetically conductive plate (13) is provided on at least one side of the retainer (12) in the axial direction, and the magnetically conductive plate (13) is fixedly connected to the retainer (12). The retainer (12) is used to support the permanent magnets (11), so as to improve the stability of supporting the permanent magnets (11) and enhance the overall structural strength and operational reliability of the axial motor rotor (10). Moreover, the magnetically conductive plate (13) is provided on the at least one side of the retainer (12) in the axial direction, so that a harmonic magnetic field of a stator can be shielded by means of the magnetic conductivity of the magnetically conductive plate (13), so as to reduce an eddy current loss, thereby reducing the eddy current loss of the axial motor which uses the axial motor rotor (10).
A stator includes a stator iron core and a stator winding provided at the stator iron core. The stator iron core has a plurality of winding slots formed in an inner wall thereof. The stator winding includes a conductor inserted in the plurality of winding slots. The stator winding includes a plurality of phase windings, and each of the plurality of phase windings includes a first branch and a second branch.
A stator includes a stator core and a stator winding. The stator core has a plurality of winding slots formed at an end surface of the stator core in an axial direction of the stator core and arranged at intervals in a circumferential direction of the stator core, and each of the plurality of winding slots extends through an inner wall and an outer wall of the stator core. The stator winding includes at least one coil unit, and each of the at least coil unit includes a plurality of first conductors assembled together. Each of the plurality of first conductors includes at least one insertion portion inserted into a corresponding one of the plurality of winding slots. The coil unit is formed by assembling and connecting the plurality of first conductors.
An axial flux motor, an electric device, and a vehicle are provided. The axial flux motor includes a housing defining an accommodation space, a stator assembly, a rotor assembly, and a partition assembly. The stator assembly and the rotor assembly are arranged in the accommodation space in an axial direction of the axial flux motor. The partition assembly includes a partition body arranged between the stator assembly and the rotor assembly. The housing cooperates with the partition body to form a cooling space for accommodating a coolant and the stator assembly, and the coolant in the cooling space is in direct contact with the stator assembly. With the above implementation, the partition body is disposed between the stator assembly and the rotor assembly, such that an inner space of the housing is reasonably utilized and thus the structure of the axial flux motor is more compact.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling mediumArrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
57.
VEHICLE CHASSIS HEALTH MANAGEMENT METHOD, APPARATUS AND SYSTEM
The present application relates to the technical field of vehicles, and provides a vehicle chassis health management method, apparatus and system. The method comprises: a vehicle acquiring evaluation criterion information of a chassis from a cloud device; for a subsystem to be evaluated of the chassis, according to operating data of said subsystem, performing feature extraction by using a target mechanism model so as to obtain a health feature value; and then evaluating the health state of the chassis according to the extracted health feature value and the corresponding evaluation criterion information, wherein the evaluation criterion information is learned by means of simulation training of a chassis twin model. The technical solution provided in the present application can improve the time-sensitive characteristics of vehicle chassis health evaluation.
A vehicle power supply and distribution system and a vehicle. A power supply and distribution circuit comprises: a power source (21) for providing a first power supply voltage; a first power supply and distribution branch (22), wherein one end of the first power supply and distribution branch is connected to the power source (21), and the other end is connected to an electricity load (1) of the vehicle, and the first power supply and distribution branch (22) is used for power supply and distribution for the electricity load (1) of the vehicle on the basis of the first power supply voltage; a first electronic switch (23) connected in series in the first power supply and distribution branch (22) and used for controlling the on/off of the first power supply and distribution branch (22); and a monitoring circuit (24) connected to the power source (21) and the first electronic switch (23) and used for acquiring first state information of the power source (21) and controlling the on/off of the first electronic switch (23) on the basis of the first state information. The power supply and distribution system (2) has a high integration level, thereby realizing the integration of the vehicle.
B60R 16/03 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60L 1/00 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
59.
POWER DISTRIBUTION CIRCUIT OF VEHICLE, POWER SUPPLY AND POWER DISTRIBUTION SYSTEM, AND VEHICLE
Disclosed in the present application are a power distribution circuit of a vehicle, a power supply and power distribution system, and a vehicle. The power distribution circuit comprises: a first power distribution branch, which is used for distributing power to an electric load; a second power distribution branch, which is used for distributing power to another electric load; a first switch circuit, which is arranged in the first power distribution branch and is used for controlling the connection/disconnection of the first power distribution branch; a second switch circuit, which is arranged on the second power distribution branch and is used for controlling the connection/disconnection of the second power distribution branch; and a third switch circuit, which is arranged between the first power distribution branch and the second power distribution branch, wherein the connection point between the third switch circuit and the first power distribution branch is located between the first switch circuit and a first power distribution end of the first power distribution branch for the electric load, the connection point between the third switch circuit and the second power distribution branch is located between the second switch circuit and a second power distribution end of the second power distribution branch for the other electric load, and the third switch circuit is used for controlling the connection/disconnection between the first power distribution end and the second power distribution end. By means of the present application, the normal travelling of a vehicle can be realized during abnormal power supply.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
60.
BATTERY, COOLING DEVICE, ELECTRICAL APPARATUS, AND VEHICLE
Embodiments of the present application provide a battery, a cooling device, an electrical apparatus, and a vehicle. The battery comprises a plurality of battery modules; each battery module comprises a battery cell and a cold plate assembly that is in thermally conductive connection with the battery cell; the cold plate assembly is provided with a cooling cavity and a cold plate interface communicated with the cooling cavity; the cooling cavity is used for accommodating a cooling medium; the cooling medium flows into the cooling cavity through the cold plate interface and flows out of the cooling cavity through the cold plate interface; the cold plate interfaces of different battery modules are communicated with each other. By designing the battery module to be composed of the battery cell and the cold plate assembly, and adjusting the number and layout of the battery modules, batteries having different sizes and different shapes are formed, thereby achieving modularization of the batteries provided with the cold plate assemblies, and universalization of the cold plate assemblies in the same type of batteries, so that the cold plate assemblies have more adaptability during use.
Disclosed in the present application are a power supply and distribution system for a vehicle and a vehicle. The power supply and distribution system comprises: a power supply and distribution circuit, a circuit board and a liquid cooling mechanism, wherein the power supply and distribution circuit is used for power supply and distribution to electrical loads of a vehicle, the power supply and distribution circuit is arranged on the circuit board, and the liquid cooling mechanism and the circuit board are stacked and the liquid cooling mechanism is used for dissipating heat from the circuit board. The power supply and distribution system of the present application is internally integrated with the liquid cooling mechanism, and thus, by means of the liquid cooling mechanism, heat generated by the power supply and distribution circuit can be dissipated, and in addition, stacking the liquid cooling mechanism and the circuit board provided with the power supply and distribution circuit can improve the heat dissipation efficiency of the liquid cooling mechanism. Therefore, the present application can improve the heat dissipation performance of the power supply and distribution system, and overcome the problems such as anomalies of power supply and distribution circuits caused by heat accumulation, thus improving the reliability of the power supply and distribution system and the safety of vehicles.
A multi-way valve (14), a thermal management system (1) of a vehicle, and a vehicle. The multi-way valve comprises: a valve body (21), which is provided with a plurality of accommodating cavities (101), a plurality of interfaces (102) and through holes (103), wherein the through hole is arranged between two adjacent accommodating cavities and configured to communicate the two adjacent accommodating cavities, and the interface is provided on the side wall of each accommodating cavity and is configured to communicate the corresponding accommodating cavity with an external pipeline; and a plurality of valve elements (22), which are arranged corresponding to the plurality of accommodating cavities on a one-to-one basis, wherein each valve element is rotationally arranged in the corresponding accommodating cavity and is provided with a plurality of flow channels (121), and at least one of the plurality of valve elements rotates to switch flow channels of different combinations and communicate therewith, so as to conduct the interfaces of different combinations. By means of such configuration, the integration of the plurality of valve elements can be realized, the switching of multiple flow channel modes can be realized, the integration degree is improved, and the volume and cost are reduced.
F16K 11/20 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with two or more closure members not moving as a unit operated by separate actuating members
63.
VEHICLE, CONTROL METHOD THEREFOR, CONTROL APPARATUS AND STORAGE MEDIUM
Disclosed in the present application are a vehicle, a control method therefor, a control apparatus and a storage medium. The control method for the vehicle comprises: in response to energy recovery instruction information, determining an energy recovery distance of the vehicle on the basis of working parameters of the vehicle and environment information; and, according to the energy recovery distance and a relative distance between the vehicle and an obstacle in front, controlling the vehicle to enter an energy recovery traveling mode. The solution ensures that, during the energy recovery process, there is no need to step on an accelerator pedal again for acceleration and the vehicle can be braked to a target position, causing no increase of energy consumption of the vehicle, and simultaneously the vehicle can be controlled to travel or brake according to the intention of a driver.
An electric drive apparatus (110), an electric drive system (100), and a vehicle (1000). The electric drive apparatus (110) comprises a drive main body (111) and a controller (112). The drive main body (111) comprises a first housing (1111) and a motor assembly provided in the first housing (1111). The first housing (1111) has a mounting plane (11111), the mounting plane (11111) being obliquely provided with respect to a support plane (300) of the vehicle (1000). The controller (112) comprises a second housing (1121) mounted on the mounting plane (11111) and a control assembly (1122) mounted on the second housing (1121), the control assembly (1122) being connected to the motor assembly.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
65.
BATTERY PACK, CONTROL METHOD, ELECTRIC APPARATUS, READABLE STORAGE MEDIUM, AND VEHICLE
The present application relates to the technical field of batteries. Disclosed are a battery pack, a control method, an electric apparatus, a readable storage medium, and a vehicle. The battery pack comprises a control unit, a first battery module, a voltage converter and a second battery module, wherein the first battery module is connected to a first end of the voltage converter; the second battery module is connected to a second end of the voltage converter, and the second battery module is connected to a load, so as to supply power to the load; and the control unit is connected to each of the first battery module, the voltage converter and the second battery module, and is used for controlling the voltage converter to convert a voltage outputted by the first battery module and for outputting a first charging voltage to the second battery module. Since a power supply voltage of a load is guaranteed by a second battery module, the discharge of a first battery module is not restricted by the power supply voltage of the load, and the first battery module can achieve full discharge; therefore, the first battery module can have a relatively high electricity utilization rate, and the electricity utilization rate of the whole battery pack can be thus improved.
Provided in the present application are an electric drive system, a power device, and a vehicle. The electric drive system comprises: a housing (10) having an accommodating cavity (101); an electric motor (20) mounted in the accommodating cavity (101); an oil pump (41); a first oil supply channel (50), which is connected to an outlet of the oil pump (41) and is configured to supply a lubricating oil to the electric motor (20); and a cooler (42), which is arranged on the first oil supply channel (50) and is configured to cool the lubricating oil supplied to the electric motor (20). In the technical solution of the embodiments of the present application, the first oil supply channel (50) is arranged so as to supply the lubricating oil, which is pumped out by the oil pump (41), to the electric motor (20), and the cooler (42) is provided on the first oil supply channel (50) so as to only cool the lubricating oil flowing to the electric motor (20), such that the cooling capacity generated by the cooler (42) is fully utilized to cool down the electric motor (20), thereby increasing the utilization rate of the cooling capacity.
H02K 9/193 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling mediumArrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with means for preventing leakage of the cooling medium
67.
HEAT EXCHANGE ASSEMBLY, BATTERY, VEHICLE, AND ELECTRIC DEVICE
Disclosed in the present application are a heat exchange assembly (1), a battery (1200), a vehicle (1000), and an electric device. The heat exchange assembly (1) comprises an inflow pipe assembly (300), an outflow pipe assembly (400), at least one first heat exchange member (100), and at least one second heat exchange member (200), wherein the first heat exchange member (100) is provided with a first heat exchange space (1001), and a first inflow end (111) and a first outflow end (131), which communicate with the first heat exchange space (1001); the second heat exchange member (200) is provided with a second heat exchange space (210), and a second inflow end (220) and a second outflow end (230), which communicate with the second heat exchange space (210); the first heat exchange member (100) and the second heat exchange member (200) are alternately arranged, and an accommodating space (1002) is provided between the first heat exchange member (100) and the second heat exchange member (200) adjacent to each other; the first inflow end (111) and the second outflow end (230) are positioned at the same side of the first heat exchange member (100), and the second inflow end (220) and the first outflow end (131) are positioned at the same other side of the first heat exchange member (100); the first inflow end (111) and the second inflow end (220) communicate with the inflow pipe assembly (300); and the first outflow end (131) and the second outflow end (230) communicate with the outflow pipe assembly (400). The heat exchange assembly (1) can relieve the problem of temperature difference between battery cells in the same row.
Embodiments of the present application provide a motor controller and an electric device. The motor controller comprises: a controller body; and a first terminal and a second terminal that are connected to the controller body, the first terminal and the second terminal being arranged on different sides of the controller body, respectively. According to the embodiments of the present application, the first terminal and the second terminal are isolated, so that coupling interference between the first terminal and the second terminal is reduced, and electromagnetic interference between the first terminal and the second terminal of the motor controller can be reduced.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
H05K 5/00 - Casings, cabinets or drawers for electric apparatus
H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
69.
HEAT EXCHANGE ASSEMBLY, BOX BODY, CONTROLLER, DRIVING DEVICE AND ELECTRIC APPARATUS
Disclosed in the present application are a heat exchange assembly (100), a box body, a controller (1200), a driving device and an electric apparatus. The heat exchange assembly (100) comprises a body (110), a first heat exchange member (120) and a second heat exchange member (130), the first heat exchange member (120) and the second heat exchange member (130) being arranged in the body (110) and arranged in the height direction of the body (110); an inflow channel (141) for inflow of a heat exchange medium and an outflow channel (151) for outflow of the heat exchange medium are formed in the body (110), a first heat exchange channel (121) is formed in the first heat exchange member (120), and a second heat exchange channel (131) is formed in the second heat exchange member (130); and the inflow channel (141) is in communication with the outflow channel (151) by means of the first heat exchange channel (121), the inflow channel (141) is in communication with the outflow channel (151) by means of the second heat exchange channel (131), and the first heat exchange channel (121) and the second heat exchange channel (131) are connected in parallel. A first power module (201) and a second power module (202) exchange heat independently by means of the first heat exchange channel (121) and the second heat exchange channel (131), respectively, such that the first power module (201) and the second power module (202) can both obtain a good heat exchange effect.
Disclosed in the present application are a heat exchange member, a heat exchange assembly, a battery, a vehicle, and an electric device. The heat exchange member comprises a first current collector and a first heat exchange body, wherein the first heat exchange body is provided with a first end and a second end, which are oppositely arranged, at least two first heat exchange channels extending in a direction from the first end to the second end are provided in the first heat exchange body, and the first heat exchange channels communicate with each other in sequence; and the first current collector is connected to the first end, a first inlet and a first outlet are provided in the first current collector, the first inlet communicates with the first one of the first heat exchange channels and is used for allowing a heat exchange medium to flow into the first one of the first heat exchange channels, and the first outlet communicates with the last one of the first heat exchange channels and is used for allowing the heat exchange medium in the last one of the first heat exchange channels to flow out. The heat exchange member can relieve the problem of temperature difference between battery cells in the same row.
An electric power system, which is connected to a first load (M1) and a second load (M2), and comprises a first power source (B1), a first battery switch (KB1), a second power source (B2) and a second battery switch (KB2), wherein a positive electrode of the first power source (B1) and a positive electrode of the second power source (B2) are jointly connected to a first node (X1), and a first end of the first load (M1) and a first end of the second load (M2) are jointly connected to a second node (X2); the first node (X1) is connected to the second node (X2); a negative electrode of the first power source (B1) is connected to a first end of the first battery switch (KB1), and a negative electrode of the second power source (B2) is connected to a first end of the second battery switch (KB2); and a second end of the first battery switch (KB1), a second end of the first load (M1), a second end of the second load (M2) and a second end of the second battery switch (KB2) are jointly connected to a power ground. The electric power system can realize front-wheel drive, rear-wheel drive and four-wheel drive, and a plurality of operation modes simply by means of two switches, and the control policy is simple and is low in terms of cost, thereby improving the reliability of the electric power system. Further provided is a vehicle having the electric power system.
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 58/18 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
72.
HEAT EXCHANGE DEVICE, DRIVING MECHANISM, AND VEHICLE
The present application discloses a heat exchange device (400), a driving mechanism, and a vehicle (1000), which can effectively improve the heat exchange efficiency of an oil cooling medium. The heat exchange device (400) comprises: a base (401), a circulation apparatus (402), and a heat exchanger (403). The base (401) is provided with a medium inlet (404) and a medium outlet (405), the medium inlet (404) is used for allowing a heat exchange medium to flow in, and the medium outlet (405) is used for allowing the heat exchange medium to flow out. The circulation apparatus (402) is disposed on the base (401) and is used for driving the heat exchange medium to flow between the medium inlet (404) and the medium outlet (405). The heat exchanger (403) is disposed on the base (401) and is used for exchanging heat with the heat exchange medium. The technical solution of embodiments of the present application can improve the heat exchange efficiency of a cooling medium. Moreover, the described structures are integrated by providing the base (401), so that the structures can be mounted in a vehicle at a time, the integration of the device is improved, and the assembly efficiency is improved.
B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
73.
ELECTRIC DRIVE STRUCTURE, VEHICLE, AND ELECTRIC DEVICE
Provided are an electric drive structure (300), a vehicle (1000), and an electric device. The electric drive structure (300) comprises transmission assemblies (30), a first motor (10), a second motor (20), and output wheels (40). Each transmission assembly (30) comprises a planet carrier (31), a first planet gear (32), a second planet gear (33), a first transmission wheel (34), and a second transmission wheel (35); the first planet gear (32) and the second planet gear (33) are disposed on and engaged with the planet carrier (31); the first transmission wheel (34) is engaged with the first planet gear (32); and the second transmission wheel (35) is engaged with the side of the second planet gear (33) away from the first planet gear (32). The first motor (10) is connected to the first transmission wheel (34), the second motor (20) is connected to the second transmission wheel (35), and the output wheels (40) are connected to the planet carriers (31). By means of the arrangement, the output wheels (40) are connected to the planet carriers (31), such that external gears can be used, thereby improving the load capacity of the electric drive structure (300).
Disclosed in the present application are an axial flux motor, an electric device, and a vehicle. The axial flux motor comprises a housing, a stator assembly and a rotor assembly, the housing being provided with an accommodating space, and the stator assembly and the rotor assembly being arranged in the accommodating space in the axial direction of the axial flux motor. The housing comprising an end plate portion, the inner end surface of the end plate portion facing the side of the stator assembly facing away from the rotor assembly. A cooling flow channel is formed in the inner end surface, a coolant flowing in the cooling flow channel being in direct contact with the stator assembly. By means of the embodiment, the coolant in the cooling flow channel is in direct contact with the stator assembly, such that heat exchange between the coolant and the stator assembly can be efficiently achieved, thereby improving the cooling efficiency of the stator assembly.
Disclosed in the present application are an axial flux motor, an electric device, and a vehicle. The axial flux motor comprises a casing, a stator assembly, a rotor assembly and a partition plate assembly. The casing is used for forming an accommodation space. In the axial direction of the axial flux motor, the stator assembly and the rotor assembly are arranged in the accommodation space. The partition plate assembly comprises a partition plate main body, the partition plate main body being arranged between the stator assembly and the rotor assembly. The casing and the partition plate main body cooperate with each other to form a cooling space used for containing a coolant and the stator assembly, the coolant in the cooling space being in direct contact with the stator assembly. In the implementation mode, arranging the partition plate main body between the stator assembly and the rotor assembly reasonably uses the internal space of the casing, so that the axial flux motor has a more compact structure. The casing and the partition plate main body cooperate with each other to form the cooling space, and the coolant therein is in direct contact with the stator assembly to implement efficient heat exchange between the coolant and the stator assembly, thus improving the cooling efficiency of the stator assembly.
The present application is applicable to the technical field of batteries, and provides a battery-based hybrid energy supply method and apparatus, a terminal device, and a storage medium. The battery-based hybrid energy supply method comprises: acquiring a target voltage interval and a cell open-circuit voltage interval of at least two types of batteries; and, according to the cell open-circuit voltage interval of the at least two types of batteries, calculating the number of the at least two types of batteries matching the target voltage interval, the number of the at least two types of batteries being used for constructing a hybrid battery pack. The present application can overcome the problem in the prior art of battery pack or electrical system performance limitation caused by a mismatch between the output voltage interval of a battery pack and the working voltage interval of an electrical system.
Disclosed in the present application are an automatic parking method, an automatic parking system, and a computer-readable storage medium. The automatic parking method comprises: in response to a vehicle being in an automatic parking stage, detecting whether a braking system of the vehicle has a fault; and if the braking system of the vehicle has a fault, enabling an energy recovery function to brake the vehicle, so as to complete parking. By means of the method, when a braking system of a vehicle has a fault, an energy recovery function assumes control of automatic parking, such that a vehicle degradation strategy that can be operated during the failure of the braking system is realized, and the vehicle can thus enter a safety state by virtue of the energy recovery function, thereby improving the safety of automatic parking of the vehicle.
B60W 10/08 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
78.
OIL FILTERING STRUCTURE, ELECTRIC DRIVE ASSEMBLY, AND POWER DEVICE
An oil filtering structure (100), comprising a casing (10) and an oil pump (21). The casing (10) is provided with an oil channel (15) located at the bottom of the casing (10). The oil channel (15) has a straight line section (150), the straight line section (150) extending from one end of the oil channel (15). The straight line section (150) is provided with an oil suction port (151) communicated with the oil pump (21), and the straight line section (150) is provided therein with a filter device (30). One end of the oil channel (15) is provided with a hole (152) for the filter device (30) in the straight line section (150) to be disassembled and assembled, a seal cover (153) being detachably mounted on the hole (152). Also disclosed are an electric drive assembly and a power device.
Provided in the present application are a positioning adapter device and a vehicle body production line. The positioning adapter device comprises an adapter body, a first positioning structure and a second positioning structure, wherein the first positioning structure and the second positioning structure are connected to the adapter body; and one of the first positioning structure and the second positioning structure is configured to be in positioning fit with a vehicle body, and the other one of the first positioning structure and the second positioning structure is configured to be in positioning fit with a vehicle body positioning system.
B62D 65/02 - Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
B23K 37/04 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
80.
MULTI-WAY VALVE, THERMAL MANAGEMENT SYSTEM, AND VEHICLE
A multi-way valve (1), a thermal management system, and a vehicle. The multi-way valve (1) comprises a valve core (2) and a valve seat (3); the valve core (2) comprises a connection pipe (21); the valve seat (3) is arranged around the valve core (2) and is provided with valve ports (31) at intervals in the circumferential direction of the valve core (2); the connection pipe (21) is used for the communication between at least two valve ports (31) arranged at an interval in the circumferential direction; the valve core (2) is rotatably arranged relative to the valve seat (3); and the connection state of the connection pipe (21) and the valve ports (31) can be changed by rotating the valve core (2), so as to realize multi-way control, integrate the functions of a plurality of control valves, simplify the pipe system, and reduce the system costs. The valve seat (3) is arranged around the valve core (2) and is provided with at least three valve ports (31) at intervals in the circumferential direction of the valve core (2), so that the multi-way valve (1) can complete the combination of multiple connection states of adjacent valve ports (31) and non-adjacent valve ports (31) in the circumferential direction, thereby reducing the spatial limitation of the multi-way valve (1) in the axial direction and the torque limitation of driving the valve core (2) to rotate.
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
E02F 5/06 - Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging elements mounted on an endless chain
81.
ELECTRIC DRIVING DEVICE, ELECTRIC DRIVING SYSTEM AND VEHICLE
The present application discloses an electric driving device (10), an electric driving system (100) and a vehicle (1000). The electric driving device (10) comprises a driving main body (11) and a controller (12); the driving main body (11) comprises a first housing (111) and a motor assembly provided in the first housing (111); the controller (12) comprises a second housing (121) and a control assembly (122) connected to the motor assembly; the control assembly (122) is electrically connected to the driving main body (11); the second housing (121) is mounted on the first housing (111), and a first mounting cavity is defined by the second housing (121) and the first housing (111); the control assembly (122) is mounted on the second housing (121), and the control assembly (122) is arranged in the first mounting cavity.
The present application discloses a vehicle control method, apparatus and system, and a computer-readable storage medium. The vehicle control method comprises: obtaining environmental data of a vehicle; acquiring the current driving data of the vehicle; determining the current state of the vehicle on the basis of the environmental data and the driving data; and in the case that the vehicle is currently in a risky acceleration state, giving an early warning. By means of the described method, when a driver mistakenly depresses an accelerator pedal and causes unintended acceleration, an early warning can be given to the driver so that the driver takes remedial measures in time, thereby reducing the occurrence of safety accidents, and improving the driving safety of the vehicle.
B60T 8/1755 - Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
B60W 10/04 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
B60T 7/12 - Brake-action initiating means for automatic initiationBrake-action initiating means for initiation not subject to will of driver or passenger
83.
RELIABILITY TESTING METHOD FOR ELECTRIC ASSEMBLY, AND RELATED APPARATUS AND STORAGE MEDIUM
Disclosed in the present application are a reliability testing method for an electric assembly, and a related apparatus and a storage medium. An electric assembly is arranged in an electric apparatus. The reliability testing method for an electric assembly comprises: acquiring first state information of an electric assembly of an electric apparatus, wherein the first state information is used for representing an operating environment of the electric assembly; acquiring second state information of the electric assembly, wherein the second state information is used for representing an operating state of the electric assembly under the first state information; comparing the second state information of the electric assembly with standard state information of the electric assembly, wherein the standard state information is used for representing a standard operating state of the electric assembly under the first state information; and on the basis of the comparison result, determining the reliability of the electric assembly. By means of the solution, the reliability of an electric assembly can be determined by means of monitoring second state information of the electric assembly, thereby improving the testing efficiency.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
B60S 1/08 - Wipers or the like, e.g. scrapers characterised by the drive electrically driven
84.
TRANSPORTATION DEVICE AND TEMPERATURE CONTROL SYSTEM THEREOF
Disclosed in the present application are a transportation device and a temperature control system thereof. The temperature control system comprises a refrigerant circuit. The refrigerant circuit comprises a compressor, a condensing heat exchanger, a first air conditioning heat exchanger, a second air conditioning heat exchanger, and a refrigerant switching assembly. In a first air conditioning refrigeration mode, the refrigerant switching assembly introduces a refrigerant output by the condensing heat exchanger into one of the first air conditioning heat exchanger and the second air conditioning heat exchanger in a pressure reduction manner, so that one of the first air conditioning heat exchanger and the second air conditioning heat exchanger performs evaporation on an air conditioning flow to absorb heat, or in a second air conditioning refrigeration mode, the refrigerant switching assembly sequentially introduces the refrigerant output by the condensing heat exchanger into the first air conditioning heat exchanger and the second air conditioning heat exchanger in a pressure reduction manner, respectively, so that the first air conditioning heat exchanger and the second air conditioning heat exchanger sequentially perform evaporation on the air conditioning flow to absorb heat. In this way, the temperature control system provided by the present application has two different air conditioning refrigeration modes, and can be allowed to be switched according to actual working conditions.
Disclosed in the present application are an electric drive device (10), an electric drive system (100) and a vehicle (1000). The electric drive device (10) is used for driving the vehicle (1000), and the electric drive device (10) comprises an electric motor (11) and a speed reducer (12), wherein the axis of a power output shaft (111) of the electric motor (11) and the axis of a power input shaft (121) of the speed reducer (12) jointly define an arrangement plane (14), and the arrangement plane (14) is configured to be inclined relative to a supporting plane of the vehicle (1000). In this way, the electric drive device (10) can be obliquely arranged in an engine compartment (310) of the vehicle (1000), so as to avoid other mechanisms installed in the engine compartment (310), such that the electric drive device (10) can fully utilize the internal space of the engine compartment (310), thereby effectively improving a space utilization rate of the engine compartment (310).
A vehicle maintenance prompting method, apparatus (500, 600) and device, which relate to the technical field of vehicles. The method comprises: a server end receiving target vehicle-condition information, which is sent by a vehicle-mounted terminal of a target vehicle (102); the server end generating maintenance prompting information on the basis of the target vehicle-condition information (103); and the server end sending the maintenance prompting information to the vehicle-mounted terminal (104). In this way, the rationality of maintenance prompting can be improved, and unnecessary maintenance of a vehicle can be reduced.
Provided in the present application are an electric device, and an electric motor and a rotor (1) thereof. The rotor comprises a rotor core (11), a magnet (12) and an annular component (13), wherein the rotor core (11) is provided with an accommodation groove (111), and a first opening (113) is formed by the accommodation groove (111) on an outer peripheral face (112) of the rotor core (11); the magnet (12) is arranged in the accommodation groove (111); and the annular component (13) surrounds an outer side of the rotor core (11) and covers the first opening (113). The annular component (13), which covers the first opening (113), can limit the magnet (12) from the periphery so as to reduce the risk of deviation of the magnet (12) in the accommodation groove (111) when the rotor (1) rotates at a high speed, thereby improving the operation stability of the rotor (1), reducing the eddy-current loss of the rotor (1), and improving the efficiency.
A multi-way valve, comprising a housing (10) and a rotating valve core (20). The housing (10) is provided with an accommodating cavity, the housing (10) is provided with an interface area (101), and a plurality of interfaces (102, 103, 104, 105, 106) are provided on the interface area (101). The rotating valve core (20) is accommodated in the housing (10) and is rotatably connected to the housing (10). A plurality of sub-cavities (201, 111, 112, 113, 114) which are not communicated with each other are formed in the rotating valve core (20), and the plurality of sub-cavities are arranged in the circumferential direction of the rotating valve core (20). The rotating valve core (20) is configured to rotate so that different sub-cavities are opposite to the interface area, and the plurality of sub-cavities are used for communicating the plurality of interfaces on the interface area in different modes. According to the multi-way valve, the diversity of switchable modes can be enriched, the switching speed of different heat exchange modes of a thermal management system is improved, and the heat exchange efficiency of the thermal management system is improved. Also provided are a heat exchange system and a vehicle.
F16K 11/085 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
F16K 27/06 - Construction of housingsUse of materials therefor of taps or cocks
Provided is a heat exchange system. A heating apparatus and a battery are connected in series in a first pipeline for raising the temperature of the battery, which is performed by the heating apparatus, and the first pipeline is connected in parallel to a third pipeline, such that a temperature control module of the third pipeline can heat up a passenger compartment. The system can simultaneously conduct heat of a heating apparatus to a battery and a passenger compartment, thereby effectively increasing the temperature rise rate of the battery and of the passenger compartment in a low-temperature environment, and thus improving the efficiency of the heat exchange system. Further provided is a vehicle having the heat exchange system.
B60H 1/00 - Heating, cooling or ventilating devices
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
90.
FLOW CHANNEL INTEGRATED ASSEMBLY AND MANUFACTURING METHOD THEREFOR, THERMAL MANAGEMENT SYSTEM, AND VEHICLE
Provided are a flow channel integrated assembly and a manufacturing method therefor, a thermal management system, and a vehicle. The flow channel integrated assembly comprises a body (10), a medium flow channel (20), and an interface region (30). The medium flow channel comprises a plurality of medium pipelines; the plurality of medium pipelines are respectively arranged on two opposite surfaces of the body; the interface region is arranged on the body; the interface region comprises a plurality of interfaces; the interfaces are configured to be connected to a heat exchange pipeline; and the plurality of medium pipelines are respectively communicated with the plurality of interfaces. The assembly increases the integration level of a thermal management flow channel integrated assembly.
A thermal management integrated device, a thermal management system, and a vehicle comprising the thermal management system. The thermal management integrated device (100) comprises a flow channel integrated assembly (101), a heat exchange device (102), a driving device (103), and a thermal management control assembly (104). The flow channel integrated assembly (101) comprises a flow channel plate (105), and a first flow channel (106) and a second flow channel (107) which are formed on the flow channel plate (105). The heat exchange device (102) is mounted on one side of the flow channel plate (105) and is communicated with the first flow channel (106). The driving device (103) is mounted on the other side of the flow channel plate (105) and is communicated with the second flow channel (107). The driving device (103) is connected to the heat exchange device (102). The thermal management control assembly (104) is mounted on the other side of the flow channel plate (105) and is used for switching on and off of the first flow channel (106) and the second flow channel (107). According to the thermal management integrated device, the integration level of the heat exchange device can be improved while ensuring the heat exchange efficiency.
An electric energy power system, comprising a first power supply (B1), a first battery switch (KB1), a second power supply (B2), a second battery switch (KB2), an isolation switch (KG), a first load (M1) and a second load (M2). A positive electrode of the first power supply (B1), a first end of the first load (M1), and a first end of the isolation switch (KG) are connected to a first node (X1). A positive electrode of the second power supply (B2), a first end of the second load (M2), and a second end of the isolation switch (KG) are connected to a second node (X2). The positive electrode of the first power supply (B1) is connected to a first end of the first battery switch (KB1), and the positive electrode of the second power supply (B2) is connected to a first end of the second battery switch (KB2). A second end of the first battery switch (KB1), a second end of the first load (M1), a second end of the second load (M2), and a second end of the second electric switch (KB2) are connected to the power ground. According to the electric energy power system, the front-wheel drive, rear-wheel drive and four-wheel drive functions can be implemented by means of three switches, the control strategy is simple, the cost is low, and the reliability of the electric energy power system is improved. Also provided is an electric vehicle provided with the electric energy power system.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 3/04 - Cutting-off the power supply under fault conditions
B60L 58/19 - Switching between serial connection and parallel connection of battery modules
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
93.
TRANSPORTATION DEVICE AND THERMAL MANAGEMENT SYSTEM AND THERMAL MANAGEMENT METHOD THEREFOR
A transportation device and a thermal management system and method therefor. The thermal management system (1) comprises an air-conditioning system (10), a thermal management loop (20) and an auxiliary heater (30), wherein the thermal management loop (20) is used for cyclically transmitting a first heat conduction medium, so as to perform thermal management on a designated component of a transportation device; the thermal management loop (20) can exchange heat with the air-conditioning system (10), in order to, at least when the air-conditioning system (10) is in a heating state, selectively transfer to the air-conditioning system (10) heat generated by the designated component to be used as at least part of a heat source for an evaporation process of the air-conditioning system (10); and the auxiliary heater (30) is used for selectively supplementing heat for the thermal management loop (20), so as to improve the heating effect of the air-conditioning system (10).
Embodiments of the present application provide a status detection method for a switch module, a circuit, a device, and a storage medium. The status detection method for a switch module comprises: when a switch module is disconnected, connecting a battery pack to the switch module, so that the battery pack forms a first charging circuit with an energy storage element by means of the switch module; performing voltage measurement on the energy storage element to obtain a first measured voltage; and according to the first measured voltage, determining whether the switch module is completely disconnected.
G01R 31/327 - Testing of circuit interrupters, switches or circuit-breakers
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
95.
METHOD FOR THERMAL MANAGEMENT DURING CHARGING OF VEHICLE, DEVICE, AND MEDIUM
A method for thermal management during charging of a vehicle (1000), a device, and a medium. The method for thermal management during charging comprises the steps of: acquiring a current vehicle position, a current battery power level, a current battery temperature, and battery charging parameter information; acquiring charging device charging parameter information of a corresponding charging device according to the current vehicle position; and determining a thermal management strategy of a battery (100) according to the current battery power level, the current battery temperature, the battery charging parameter information, and the charging device charging parameter information. The temperature of the battery (100) can be adjusted in advance to adapt to the output capability of a charging pile (400), thereby effectively reducing charging duration.
B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 58/10 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
The present invention provides a vehicle charging control method, a device, and a medium. The method comprises the steps of: displaying a first interface, and detecting a first operation, wherein the first interface is used for detecting the first operation, and the first operation is used for triggering query of a first charging device; in response to the detected first operation, displaying a second interface, wherein the second interface comprises a charging device identifier and charging time of more than one first charging device; detecting a second operation, wherein the second operation is used for selecting a second charging device from the more than one first charging device; and in response to the detected second operation, displaying a third interface, wherein the third interface comprises charging time of the second charging device, and the charging time is determined according to a charging device charging parameter of the charging device. According to the present invention, a user can be helped to know the actual charging time, so that the charging duration is effectively reduced.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
A thermal management system and a vehicle. The thermal management system comprises: a first heat storage loop, which comprises an electric drive module (10) and a front-end heat dissipation module (20); a first pipeline (L1), which is in communication with two ends of the electric drive module (10) and is used for forming a second heat storage loop with the electric drive module (10); and a heat exchange medium, which is used for performing heat exchange in the thermal management system. By means of the thermal management system, the technical problem of severe degradation of the endurance mileage of existing new energy vehicles in a low-temperature environment can be ameliorated.
B60H 1/00 - Heating, cooling or ventilating devices
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
98.
HEAT PUMP AIR CONDITIONER FOR ELECTRIC AUTOMOBILE, HEAT PUMP AIR CONDITIONER CONTROL METHOD AND APPARATUS, AND VEHICLE
A heat pump air conditioner for an electric automobile, a heat pump air conditioner control method and apparatus, and a vehicle. The heat pump air conditioner comprises a refrigeration system, a heat pump system, and a hot gas bypass system. The refrigeration system comprises a compressor (100), a first condenser (101), an evaporator (102), and a first expansion valve (103). An inlet of the evaporator (102) is connected to an outlet of the first condenser (101) by means of the first expansion valve (103), an outlet of the evaporator (102) is connected to a suction port of the compressor (100), and an inlet of the first condenser (101) is connected to an air exhaust port of the compressor (100). The heat pump system comprises a battery chiller (104), a second expansion valve (105), and a gas supercharging apparatus (200). An inlet of the battery chiller (104) is connected to the outlet of the first condenser (101) by means of the second expansion valve (105), an outlet of the battery chiller (104) is connected to an air inlet of the gas supercharging apparatus (200), and an air exhaust port of the gas supercharging apparatus (200) is connected to the suction port of the compressor (100). The hot gas bypass system comprises a third expansion valve (106), a first end of the third expansion valve (106) is connected to the air exhaust port of the compressor (100), and a second end of the third expansion valve (106) is connected to the suction port of the compressor (100). The heat pump air conditioner can provide heat by means of the heat pump system and the hot gas bypass system simultaneously, effectively improving the heating effect of the heat pump air conditioner.
A temperature control system, comprising a storage component (10), a heat exchanger (11), a temperature control valve (12), a first pipeline (13) and a second pipeline (14), wherein the storage component (10) is used for accommodating a heat exchange medium; the heat exchanger (11) is used for cooling the heat exchange medium, and the heat exchanger (11) is provided with a heat exchange inlet (111) and a heat exchange outlet (112), which are in communication with each other; the temperature control valve (12) comprises a medium inlet (121), a first medium outlet (122) and a second medium outlet (123), the medium inlet (121) being in communication with the storage component (10), and the first medium outlet (122) being in communication with the heat exchange inlet (111); the first pipeline (13) is in communication with the heat exchange outlet (112) and the second medium outlet (123), and is used for conveying the heat exchange medium to a power assembly (2); and the second pipeline (14) is used for connecting the power assembly (2) and the storage component (10). The temperature control system can control the temperature of the power assembly (2) in a precise manner. Further provided is a power apparatus having the temperature control system.
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
F16K 31/68 - Operating meansReleasing devices responsive to temperature variation actuated by fluid pressure or volumetric variation in a confined chamber
100.
THERMAL MANAGEMENT SYSTEM, ELECTRIC MOTOR CONTROL METHOD AND VEHICLE
Provided in the embodiments of the present application are a thermal management system, an electric motor control method and a vehicle. The thermal management system comprises: a first heat exchange loop, which comprises a first electric motor and a battery pack; a second heat exchange loop, which comprises a second electric motor and a heat storage branch, the heat storage branch being used for storing and releasing heat generated by the second electric motor; and a heat exchange medium, which is used for exchanging heat in the first heat exchange loop and/or the second heat exchange loop.
B60L 58/24 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
patents
