Busbar assembly, motor and vehicle

Abstract

The utility model provides a busbar assembly, a motor and a vehicle, and relates to the technical field of motors, the busbar assembly comprises a U-phase copper nose, a V-phase copper nose and a W-phase copper nose which are arranged at intervals along the circumferential direction of a motor stator, and each of the U-phase copper nose, the V-phase copper nose and the W-phase copper nose comprises a copper nose body and a crimping structure arranged at one end of the copper nose body. And the crimping structure is used for crimping the copper nose body and the corresponding winding phase outgoing line. The three-phase part of the busbar assembly is composed of three copper noses, namely the U-phase copper nose, the V-phase copper nose and the W-phase copper nose, so that the busbar is small in overall size, low in material consumption, low in cost and high in strength; and moreover, the copper terminals do not need to be welded, the forming process is simple, the copper noses are in compression joint with the winding phase outgoing lines through the compression joint structures formed by stamping, and the connection mode is simple and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, and in particular, to a bus bar assembly, a motor and a vehicle. Background Art

[0002] With the rapid development of new energy vehicles, flat wire motors have been increasingly used. The lead-out wires of the stator windings of flat wire motors are connected to the controller through bus bars to achieve power transmission between the flat wire motors and the controller. The self-strength, size, forming difficulty and connection efficiency with the winding lead-out wires of the bus bars are crucial for flat wire motors or electric drive assemblies.

[0003] Some of the existing bus bars are made of braided soft copper wires or soft copper bars. Not only are copper terminals required to be welded to connect with the stator winding lead-out wires, but the manufacturing process is complex, and the strength is weak, and it is extremely easy to be torn. The other part is made of hard copper bars. Although the strength is improved, the overall size is large, the material consumption is large, the cost is high, and the copper bar pins on it need to be welded and fixed to the winding lead-out wires, and the assembly connection efficiency is low. Summary of the Utility Model

[0004] The utility model aims to solve the technical problem that the existing bus bars cannot simultaneously take into account strength, size, forming difficulty and connection efficiency with winding lead-out wires.

[0005] In a first aspect, the utility model provides a bus bar assembly, which includes a U-phase copper nose, a V-phase copper nose and a W-phase copper nose arranged at intervals along the circumference of the motor stator. The U-phase copper nose, the V-phase copper nose and the W-phase copper nose all include a copper nose body and a crimping structure arranged at one end of the copper nose body. The crimping structure is used to crimp the copper nose body and the corresponding winding phase lead-out wire together.

[0006] Optionally, the crimping structure includes two pressing plates arranged oppositely. The two pressing plates are respectively arranged on both sides of the width direction of the copper nose body. One ends of the two pressing plates are respectively connected to the copper nose body, and the other ends of the two pressing plates are bent towards each other to press the corresponding winding phase lead-out wire against the copper nose body.

[0007] Optionally, a section of the copper nose body far from the crimping structure is configured as a connection section. In the circumferential direction of the motor stator, the connection sections of the two copper noses located on both sides of the U-phase copper nose, the V-phase copper nose and the W-phase copper nose are bent towards the direction of the copper nose in the middle, and mounting holes for connecting with the controller copper bar are respectively arranged on the connection sections.

[0008] Optionally, the busbar assembly further includes a neutral copper bar. Along the axial direction of the motor stator, the neutral copper bar is located on one side of the U-phase copper nose, the V-phase copper nose, and the W-phase copper nose, and at least a part of the projections of the U-phase copper nose, the V-phase copper nose, and the W-phase copper nose on the axial end face of the motor stator coincides with the projection of the neutral copper bar on the axial end face of the motor stator.

[0009] Optionally, the busbar assembly further includes a temperature detection device. The neutral copper bar includes a neutral copper bar body and a fixing part. The neutral copper bar body extends circumferentially along the motor stator. The fixing part is arranged on the side of the neutral copper bar body close to the central axis of the motor stator. The fixing part is bent at 90° relative to the neutral copper bar body, and the fixing part is used to install the temperature detection device;

[0010] The neutral copper bar further includes a copper bar pin. The copper bar pin is arranged on the side of the neutral copper bar body close to the central axis of the motor stator and is used for welding with the neutral lead-out wire of the winding.

[0011] Optionally, the busbar assembly further includes a fixing buckle. The fixing part has a fixing surface opposite to the temperature detection device. Two side surfaces of the fixing part adjacent to the fixing surface are respectively provided with clamping grooves. The fixing buckle is respectively clamped with the temperature detection device and the clamping grooves.

[0012] Optionally, the fixing buckle includes a fixing plate, a first clamping plate, and a second clamping plate. Along the thickness direction of the fixing plate, the first clamping plate and the second clamping plate are respectively arranged on both sides of the fixing plate. One end of the first clamping plate is connected to one end of the fixing plate along its width direction. A first clamping space is formed between the first clamping plate and the fixing plate, and the first clamping space is used for clamping with the fixing part; One end of the second clamping plate is connected to the other end of the fixing plate along its width direction. A second clamping space is formed between the second clamping plate and the fixing plate, and the second clamping space is used for clamping with the temperature detection device.

[0013] Optionally, an opening of the first clamping space is formed between the other end of the first clamping plate and the fixing plate; An opening of the second clamping space is formed between the other end of the second clamping plate and the fixing plate;

[0014] And / or, the fixing buckle further includes clamping claws. The clamping claws are located on the side of the fixing plate where the second clamping plate is arranged. The two clamping claws are arranged oppositely and are respectively connected to both ends of the fixing plate along its width direction. The two clamping claws are used to fix the temperature detection device.

[0015] In a second aspect, the present invention provides a motor, including the above-mentioned busbar assembly.

[0016] In a third aspect, the present utility model provides a vehicle, including the above-mentioned motor.

[0017] The busbar assembly, motor and vehicle of the present utility model have at least the following advantages compared with the prior art:

[0018] The copper nose is a terminal structure with small size and high strength. The three-phase part of the busbar assembly is composed of three copper noses, namely the U-phase copper nose, V-phase copper nose and W-phase copper nose. This can not only make the overall volume of the busbar smaller, reduce the material consumption, lower the cost and increase the strength, but also simplify the forming process as there is no need to weld copper terminals compared with the busbar assembly composed of soft copper bars and soft copper wires. Compared with the way of welding the busbar pins and the winding lead-out wires, each copper nose forms a crimping structure through stamping, and the copper nose body is crimped with the winding phase lead-out wire through the crimping structure without welding. The connection method between the busbar assembly and the winding phase lead-out wire is simpler and more efficient. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the busbar assembly according to an embodiment of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the busbar assembly from another perspective according to an embodiment of the present utility model;

[0021] Figure 3 It is a schematic structural diagram of the busbar assembly from yet another perspective according to an embodiment of the present utility model;

[0022] Figure 4 It is a schematic structural diagram of the fixing buckle according to an embodiment of the present utility model;

[0023] Figure 5 It is a schematic structural diagram of the fixing buckle from another perspective according to an embodiment of the present utility model;

[0024] Figure 6 It is a schematic installation structure diagram of the busbar assembly on the motor stator according to an embodiment of the present utility model;

[0025] Figure 7 It is a schematic installation structure diagram of the busbar assembly on the motor stator from another perspective according to an embodiment of the present utility model;

[0026] Figure 8 It is Figure 7 an enlarged schematic diagram of part A in

[0027] Description of the Reference Numerals:

[0028] 1. U-phase copper nose; 2. V-phase copper nose; 3. W-phase copper nose; 41. Copper nose body; 411. Connection section; 412. Connection hole; 42. Crimping structure; 421. Pressure plate; 5. Neutral copper bar; 51. Neutral copper bar body; 52. Fixed part; 521. Card slot; 522. Guide surface; 53. Copper bar pin; 6. Temperature detection device; 7. Fixed buckle; 71. Fixed plate; 72. First clamping plate; 73. Second clamping plate; 74. First clamping space; 75. Second clamping space; 76. Claw; 8. Motor stator; 81. Winding phase lead wire; 82. Winding neutral lead wire. Detailed implementation manners

[0029] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description will be given to the specific embodiments of the present utility model with reference to the accompanying drawings.

[0030] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "coupling", "mating" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] In addition, it should be noted that in the description of the present utility model, the terms indicating directions such as "upper", "lower", "front", "rear", etc. in each embodiment are only used to simplify the description of the positional relationship based on the drawings of the specification, and do not represent that the indicated elements and devices must be operated according to the specific directions and limited operations, methods, and structures in the specification. Such direction terms do not constitute a limitation to the present utility model.

[0032] As Figures 1 - 3 , Figures 6 - 7 shown, a busbar assembly according to an embodiment of the present utility model includes a U-phase copper nose 1, a V-phase copper nose 2, and a W-phase copper nose 3 that are circumferentially spaced along the motor stator 8. The U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3 each include a copper nose body 41 and a crimping structure 42 provided at one end of the copper nose body 41. The crimping structure 42 is used to crimp the copper nose body 41 and the corresponding winding phase lead wire 81 together.

[0033] Specifically, each copper nose can be sequentially arranged at intervals along the circumferential direction of the motor stator 8 in the order of the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3, or in other orders. Taking the case where the motor stator 8 is vertically arranged as an example, each phase of copper nose can be at the same height and on the same circumference, and the distance between adjacent copper noses meets the electrical safety clearance. Of course, in some embodiments, each copper nose can be at different heights, that is, arranged in a staggered manner along the axial direction of the motor stator 8. Each copper nose can be formed by stamping to form a copper nose body 41 and a crimping structure 42. The copper nose body 41 can be a thin sheet-like bent structure. The copper nose body 41 can include a vertical portion and a horizontal portion. The vertical portion is provided with a crimping structure 42 for crimping with the winding phase lead 81. The horizontal portion is arranged in a direction away from the central axis of the motor stator 8 along the radial direction of the motor stator 8 relative to the vertical portion, and the horizontal portion is used for connecting with the controller copper busbar.

[0034] In this embodiment, the copper nose is a terminal structure with a small size and high strength. The three-phase part of the busbar assembly is composed of three copper noses, namely the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3. This can not only make the overall volume of the busbar assembly smaller, reduce the material consumption, lower the cost, and have higher strength; but also, compared with the busbar assembly composed of soft copper bars and soft copper wires, there is no need to weld copper terminals, and the forming process is simple; compared with the way of welding the busbar pins to the winding phase lead 81, each copper nose forms a crimping structure 42 by stamping, and the copper nose body 41 is crimped with the winding phase lead 81 through the crimping structure 42 without welding. The connection method between the busbar assembly and the winding phase lead 81 is simpler and more efficient.

[0035] As Figure 2 shown, optionally, the crimping structure 42 includes two pressing plates 421 arranged oppositely. The two pressing plates 421 are respectively arranged on both sides of the copper nose body 41 in the width direction. One ends of the two pressing plates 421 are respectively connected to the copper nose body 41, and the other ends of the two pressing plates 421 are bent towards each other to press the corresponding winding phase lead 81 on the copper nose body 41.

[0036] Specifically, the two pressing plates 421 are arranged oppositely on both sides of the vertical portion of the copper nose body 41 in the width direction. The two pressing plates 421 can be bent towards the direction of approaching each other to form a bent plate in the shape of an L or a U. After the two pressing plates 421 are bent in place, there is a gap to avoid interference. The two pressing plates 421 are bent to press the corresponding winding phase leads 81 on the copper nose body 41 respectively, so as to realize the connection between each copper nose and two winding phase leads 81. The connection method is simple and convenient. For example, as Figure 6 shown, the two pressing plates 421 of the W-phase copper nose 3 respectively press the two W-phase leads on the copper nose body 41 to realize the connection between the W-phase copper nose 3 and the two W-phase leads.

[0037] In some other embodiments, only one pressing plate 421 may be provided to connect a single copper nose to the lead wire 81 of a single winding.

[0038] As Figure 1 shown, optionally, a section of the copper nose body 41 away from the crimping structure 42 is configured as a connection section 411. In the circumferential direction of the motor stator 8, the connection sections 411 of the two copper noses located on both sides among the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3 are bent toward the direction of the copper nose in the middle, and connection holes 412 for connecting to the controller copper bar are respectively provided on the connection sections 411.

[0039] Specifically, one end of the copper nose body 41 of each copper nose away from the crimping structure 42, that is, the horizontal part of the copper nose body 41, can form a connection section 411, and a connection hole 412 is provided on the connection section 411. Fasteners such as bolts pass through the connection hole 412 and the controller copper bar to realize the connection between the copper nose and the controller copper bar, and the installation method is simple and convenient.

[0040] Here, taking the example that the U-phase copper nose 1 and the W-phase copper nose 3 are respectively arranged on both sides of the V-phase copper nose 2 in the circumferential direction of the motor stator 8, the connection section 411 of the U-phase copper nose 1 is bent toward the direction of the V-phase copper nose 2, and the connection section 411 of the W-phase copper nose 3 is bent toward the direction of the V-phase copper nose 2, so that the connection sections 411 of the copper noses are as close as possible, that is, the connection holes 412 of the copper noses are arranged more concentratedly, which is more convenient for connecting to the controller copper bar.

[0041] As Figures 1 - 3 shown, optionally, the busbar assembly further includes a star point copper bar 5. In the axial direction of the motor stator 8, the star point copper bar 5 is located on one side of the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3, and at least a part of the projection of the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3 on the axial end face of the motor stator 8 coincides with the projection of the star point copper bar 5 on the axial end face of the motor stator 8.

[0042] In this embodiment, the star point copper bar 5 is made of hard copper bar and has relatively high strength. The U-phase copper nose 1, the V-phase copper nose 2, the W-phase copper nose 3, and the star point copper bar 5 are separately arranged. The distance between the star point copper bar 5 and each copper nose is controlled so that there is no electrical interference between them. There is no need to use injection molded parts to connect them into one body. The overall layout size of the busbar assembly is small, and the layout flexibility is high. The accuracy requirements for each copper nose and the star point copper bar 5 are relatively low.

[0043] Taking the vertical setting of the motor stator 8 as an example, each copper nose is located above the motor stator 8 and is arranged in sequence along the circumferential direction of the motor stator 8 in the order of the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3. The star point busbar 5 extends substantially along the circumferential direction of the motor stator 8. The projections of the U-phase copper nose 1, the V-phase copper nose 2, and the W-phase copper nose 3 on the axial end face of the motor stator 8 coincide at least partially with the projection of the star point busbar 5 on the axial end face of the motor stator 8. For example, one end of the star point busbar 5 is located directly below the U-phase copper nose 1, and the other end of the star point busbar 5 can extend along the circumferential direction of the motor stator 8 away from the W-phase copper nose 3. By adopting this setting method, the star point busbar 5 and each copper nose can be arranged more concentratedly in the circumferential direction of the motor stator 8, reducing the size of the busbar assembly along the circumferential direction of the motor stator 8 and reducing the space occupation. Here, the axial distance between the star point busbar 5 and the U-phase copper nose 1 is within the safe electrical clearance range.

[0044] In some other embodiments, one end of the star point busbar 5 can also be located directly below the V-phase copper nose 2, and the other end can extend along the circumferential direction of the motor stator 8 and away from the W-phase copper nose 3. At this time, the axial distances between the star point busbar 5 and the U-phase copper nose 1 and the V-phase copper nose 2 are within the safe electrical clearance range.

[0045] As Figures 6 - 8 shown, optionally, the busbar assembly further includes a temperature detection device 6. The star point busbar 5 includes a star point busbar body 51 and a fixing part 52. The star point busbar body 51 extends along the circumferential direction of the motor stator 8. The fixing part 52 is arranged on the side of the star point busbar body 51 close to the central axis of the motor stator 8. The fixing part 52 is bent at 90° relative to the star point busbar body 51. The fixing part 52 is used to install the temperature detection device 6;

[0046] The star point busbar 5 further includes a busbar pin 53. The busbar pin 53 is arranged on the side of the star point busbar body 51 close to the central axis of the motor stator 8. The busbar pin 53 is used to be welded to the winding star point lead-out wire 82.

[0047] Specifically, the star point busbar body 51 is an arc-shaped flat structure extending circumferentially along the motor stator 8. A busbar pin 53 is provided on one side of the star point busbar body 51 close to the central axis of the motor stator 8. The star point busbar body 51 can be arranged parallel to the axial end face of the motor stator 8. When the star point busbar body 51 is horizontally arranged, the busbar pin 53 can be bent upward by 90° relative to the star point busbar body 51 to be fitted and welded with the winding star point lead-out wire 82. The star point busbar 5 adopts the pin welding method instead of the crimping method mainly because the star point busbar 5 needs to be connected to a relatively large number of winding star point lead-out wires 82, and the number of busbar pins 53 provided on the star point busbar 5 is relatively large. It is difficult to achieve the simultaneous crimping process for each winding star point lead-out wire 82. If the crimping is performed separately for each winding star point lead-out wire 82, after the previous crimping is completed, the deformation of the star point busbar 5 is relatively large, and it is also difficult to achieve the subsequent crimping. Therefore, for the convenience of connection, the star point busbar 5 and the winding star point lead-out wire 82 are usually connected by welding.

[0048] A fixing part 52 is provided on the star point busbar body 51 close to the central axis of the motor stator 8. When the star point busbar body 51 is horizontally arranged, the fixing part 52 can be bent upward by 90° relative to the star point busbar body 51, approximately in an L shape. The temperature detection device 6 can be a temperature sensor, and the temperature measuring probe of the temperature sensor is vertically attached to the fixing part 52 to detect the temperature of the star point busbar 5 in real time through the temperature sensor.

[0049] As Figure 4 、 Figure 5 and Figure 8 shown, optionally, the busbar assembly further includes a fixing buckle 7. The fixing part 52 has a fixing surface for facing the temperature detection device 6. Two side surfaces of the fixing part 52 adjacent to the fixing surface are respectively provided with clamping grooves 521, and the fixing buckle 7 is respectively clamped with the temperature detection device 6 and the clamping grooves 521.

[0050] Specifically, the fixing part 52 can be a strip-shaped structure similar to the busbar pin 53. The surface of the fixing part 52 facing inward along the radial direction of the motor stator 8 can be the fixing surface. U-shaped clamping grooves 521 can be arranged on both circumferential sides of the fixing part 52 along the motor stator 8. A chamfer can be provided at the upper end of the fixing part 52, that is, the end far from the star point busbar body 51, to form a guiding surface 522. The guiding surface 522 can guide the installation of the fixing buckle 7, and the clamping grooves 521 can limit the installation of the fixing buckle 7.

[0051] In this embodiment, the temperature detection device 6 is installed on the fixing buckle 7. Under the guiding action of the guiding surface 522, the fixing part 52 is inserted into the fixing buckle 7 until the fixing buckle 7 cooperates with the card slot 521, realizing the fixed installation of the temperature detection device 6 on the fixing part 52. The temperature detection device 6 is fixed on the star point copper row 5 by using the fixing buckle 7, which is convenient for disassembly and assembly.

[0052] As Figures 4 - 5 shown, optionally, the fixing buckle 7 includes a fixing plate 71, a first clamping plate 72 and a second clamping plate 73. Along the thickness direction of the fixing plate 71, the first clamping plate 72 and the second clamping plate 73 are respectively arranged on both sides of the fixing plate 71. One end of the first clamping plate 72 is connected to one end of the fixing plate 71 along its width direction. A first clamping space 74 is formed between the first clamping plate 72 and the fixing plate 71, and the first clamping space 74 is used for clamping with the fixing part 52; One end of the second clamping plate 73 is connected to the other end of the fixing plate 71 along its width direction. A second clamping space 75 is formed between the second clamping plate 73 and the fixing plate 71, and the second clamping space 75 is used for clamping with the temperature detection device 6.

[0053] Specifically, the fixing plate 71 is a flat plate. The first clamping plate 72 and the second clamping plate 73 are respectively arranged on both sides of the fixing plate 71 along the thickness direction. The extending directions of the first clamping plate 72 and the second clamping plate 73 are the same as the extending direction of the fixing plate 71. The first clamping space 74 and the second clamping space 75 are respectively formed between the first clamping plate 72 and the second clamping plate 73 and the two side surfaces of the fixing plate 71 by bending the first clamping plate 72 and the second clamping plate 73. The temperature detection device 6 and the fixing part 52 are respectively clamped into different clamping spaces to realize the clamping and fixing of the fixing buckle 7 with the temperature detection device 6 and the star point copper row 5, and the structure is simple. Here, the first clamping plate 72 is clamped with the card slot 521 of the fixing part 52 to realize the positioning and assembly of the fixing buckle 7 on the star point copper row 5.

[0054] As Figures 4 - 5 shown, optionally, an opening of the first clamping space 74 is formed between the other end of the first clamping plate 72 and the fixing plate 71; An opening of the second clamping space 75 is formed between the other end of the second clamping plate 73 and the fixing plate 71;

[0055] And / or, the fixing buckle 7 further includes claws 76. The claws 76 are located on the side of the fixing plate 71 where the second clamping plate 73 is provided. The two claws 76 are arranged oppositely and are respectively connected to both ends of the fixing plate 71 along its width direction. The two claws 76 are used for fixing the temperature detection device 6.

[0056] Specifically, one end of the first clamping plate 72 is connected to the first end of the fixed plate 71 along its width direction, and the other end of the first clamping plate 72 is bent towards the direction close to the second end of the fixed plate 71 to enclose a first clamping space 74 with an opening between it and the fixed plate 71. One end of the second clamping plate 73 is connected to the second end of the fixed plate 71, and the other end of the second clamping plate 73 is bent towards the direction close to the second end of the fixed plate 71 to enclose a second clamping space 75 between it and the fixed plate 71. With this setting method, the openings of the two clamping spaces are arranged in different directions. After the temperature detection device 6 and the fixing part 52 are inserted into the corresponding clamping spaces from the openings, the overall force on the fixing buckle 7 is more uniform and the stability is better. Here, the cross-sectional shapes of the first clamping space 74 and the second clamping space 75 can be rectangles with openings.

[0057] By arranging clamping claws 76 on the side of the fixed plate 71 where the second clamping plate 73 is located, the two clamping claws 76 are arranged oppositely to form a grasping posture. When the temperature measuring probe of the temperature sensor is relatively long, while using the second clamping space 75 to fix the temperature measuring probe of the temperature sensor, the clamping claws 76 are also used to fix the temperature measuring probe, realizing two-point fixation of the temperature measuring probe, and the installation stability of the temperature sensor is better.

[0058] As Figures 6 - 8 shown, another embodiment of the present invention proposes a motor, including the above-mentioned busbar assembly. The motor can be a flat wire motor. The advantages of the motor compared with the prior art are the same as those of the above-mentioned busbar assembly, and will not be repeated here.

[0059] Another embodiment of the present invention proposes a vehicle, including the above-mentioned motor. The vehicle can be a new energy vehicle. The advantages of the vehicle compared with the prior art are the same as those of the above-mentioned motor, and will not be repeated here.

[0060] Although the present invention is disclosed as above, the protection scope of the present invention is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications will all fall within the protection scope of the present invention.

Claims

1. A busbar assembly, characterized in that: The invention comprises a U-phase copper nose (1), a V-phase copper nose (2) and a W-phase copper nose (3) which are arranged at intervals along the circumferential direction of a motor stator (8); the U-phase copper nose (1), the V-phase copper nose (2) and the W-phase copper nose (3) each comprise a copper nose body (41) and a crimping structure (42) arranged at one end of the copper nose body (41); the crimping structure (42) is used to crimp the copper nose body (41) and the corresponding winding phase lead wire (81) together.

2. The busbar assembly according to claim 1, characterized in that: The crimping structure (42) comprises two pressing plates (421) arranged opposite to each other, the two pressing plates (421) being respectively arranged on both sides of the copper nose body (41) in the width direction, one end of the two pressing plates (421) being respectively connected to the copper nose body (41), and the other ends of the two pressing plates (421) being bent towards each other so as to press the corresponding winding phase lead wire (81) onto the copper nose body (41).

3. The busbar assembly according to claim 1, characterized in that: A section of the copper nose body (41) away from the crimping structure (42) is configured as a connecting section (411), and in the circumferential direction of the motor stator (8), the connecting sections (411) of the two copper noses located on both sides of the U-phase copper nose (1), the V-phase copper nose (2) and the W-phase copper nose are bent toward the direction close to the middle copper nose, and each of the connecting sections (411) is respectively provided with a connecting hole (412) for connecting to the controller copper busbar.

4. The busbar assembly according to claim 1, characterized in that: It also includes a star point copper bar (5), which is located on one side of the U-phase copper nose (1), the V-phase copper nose (2) and the W-phase copper nose (3) along the axial direction of the motor stator (8), and the projections of the U-phase copper nose (1), the V-phase copper nose (2) and the W-phase copper nose (3) on the axial end surface of the motor stator (8) at least partially overlap with the projection of the star point copper bar (5) on the axial end surface of the motor stator (8).

5. The busbar assembly according to claim 4, characterized in that: It also includes a temperature detection device (6), the star point copper bar (5) includes a star point copper bar body (51) and a fixing portion (52), the star point copper bar body (51) is arranged to extend along the circumferential direction of the motor stator (8), the fixing portion (52) is arranged on a side of the star point copper bar body (51) close to the central axis of the motor stator (8), and is bent at 90 degrees relative to the star point copper bar body (51), and the fixing portion (52) is used to install the temperature detection device (6); The star point copper bar (5) further comprises a copper bar pin (53), which is arranged on one side of the star point copper bar body (51) close to the central axis of the motor stator (8) and is used for welding with the winding star point lead wire (82).

6. The busbar assembly according to claim 5, characterized in that: It also comprises a fixing buckle (7), the fixing portion (52) having a fixing surface for being opposite to the temperature detection device (6), two side surfaces of the fixing portion (52) adjacent to the fixing surface are respectively provided with a clamping groove (521), and the fixing buckle (7) is respectively clamped with the temperature detection device (6) and the clamping groove (521).

7. The busbar assembly according to claim 6, characterized in that: The fixing buckle (7) comprises a fixing plate (71), a first clamping plate (72) and a second clamping plate (73). Along the thickness direction of the fixing plate (71), the first clamping plate (72) and the second clamping plate (73) are respectively arranged on both sides of the fixing plate (71). One end of the first clamping plate (72) is connected to one end of the fixing plate (71) along its width direction. The first clamping plate (72) and the fixing plate (71) enclose a first clamping space (74). The first clamping space (74) is used for clamping with the fixing portion (52); one end of the second clamping plate (73) is connected to the other end of the fixing plate (71) along its width direction. The second clamping plate (73) and the fixing plate (71) enclose a second clamping space (75). The second clamping space (75) is used for clamping with the temperature detection device (6).

8. The busbar assembly according to claim 7, characterized in that: An opening of the first clamping space (74) is formed between the other end of the first clamping plate (72) and the fixed plate (71); an opening of the second clamping space (75) is formed between the other end of the second clamping plate (73) and the fixed plate (71); And / or, the fixing buckle (7) further includes a claw (76), the claw (76) being located on a side of the fixing plate (71) on which the second fixing plate (73) is provided, the two claws (76) being arranged opposite to each other and respectively connected to the two ends of the fixing plate (71) along its width direction, and the two claws (76) being used to fix the temperature detection device (6).

9. A motor, characterized in that: Comprising the busbar assembly as described in any one of claims 1-8.

10. A vehicle, characterized in that: Comprising the motor as claimed in claim 9.

Images