Busbar bracket assembly and battery module with same

Abstract

The utility model discloses a busbar support assembly and a battery module with the busbar support assembly, the busbar support assembly comprises a busbar support, a pole avoiding hole is formed on the busbar support, and the pole avoiding hole penetrates through the busbar support along the thickness direction; a connector support, wherein the connector support is connected with the busbar support; the flexible circuit board comprises a circuit board body and a low-voltage plug-in unit, the low-voltage plug-in unit is connected with the circuit board body, the low-voltage plug-in unit is arranged on the connector support, and the low-voltage plug-in unit is opposite to the pole avoiding hole. According to the busbar bracket assembly disclosed by the utility model, on one hand, the structure of the busbar bracket can be simplified, so that the development cost of a busbar bracket mold is reduced, and the production cost of a battery module is further reduced, and on the other hand, the space occupation of the busbar bracket assembly can be reduced, so that the volume of the battery module can be reduced; and the arrangement of the battery module is convenient to realize.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a busbar bracket assembly and a battery module having the same. Background Art

[0002] The busbar bracket is an important component in the battery. Currently, the busbar bracket is usually produced through an integrated molding process such as vacuum forming or injection molding. In the related technology, the structure of the busbar bracket is relatively complex. When opening the mold, the mold cost of the busbar bracket is relatively high, which will increase the production cost of the battery. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a busbar bracket assembly, which can reduce the production cost of a battery module.

[0004] The utility model also provides a battery module having the above-mentioned busbar bracket assembly.

[0005] According to the first aspect of the utility model, the bus bracket assembly includes: a bus bracket, on which is formed a pole avoidance hole that penetrates the bus bracket along the thickness direction; a connector bracket, which is connected to the bus bracket; a flexible circuit board, which includes a circuit board body and a low-voltage plug-in, which is connected to the circuit board body, and the low-voltage plug-in is arranged on the connector bracket, and the low-voltage plug-in is opposite to the pole avoidance hole.

[0006] According to the busbar bracket assembly of the first aspect of the utility model, on the one hand, the low-voltage plug-in is connected to the busbar bracket through the connector bracket, which can simplify the structure of the busbar bracket, thereby reducing the development cost of the busbar bracket mold, and further reducing the production cost of the battery module. On the other hand, the low-voltage plug-in is opposite to the pole avoidance hole, which can reduce the space occupied by the busbar bracket assembly in the length and width directions, thereby reducing the volume of the battery module and facilitating the arrangement of the battery module.

[0007] According to some embodiments of the present invention, the connector bracket is disposed on a side of the bus bracket facing the battery cell, and the circuit board body is disposed on a side of the bus bracket facing away from the battery cell.

[0008] According to some embodiments of the utility model, the busbar bracket assembly also includes: a plurality of busbars, the plurality of busbars are arranged in sequence along the length direction of the busbar bracket, at least one of the busbars is formed as a first busbar, the connector bracket is provided with a first rivet column, the busbar bracket is formed with a first fixing hole, the first busbar is formed with a second fixing hole, the connector bracket is riveted to the busbar bracket and the first busbar after the first rivet column passes through the first fixing hole and the second fixing hole in sequence; the busbar bracket is provided with a second rivet column, the circuit board body is formed with a third fixing hole, the busbar bracket is riveted to the circuit board body through the second rivet column passing through the third fixing hole.

[0009] According to some embodiments of the present invention, the low-voltage plug-in is disposed on a side of the first bus bar away from the battery cell, and the low-voltage plug-in is snap-connected to the connector bracket.

[0010] According to some embodiments of the utility model, a plurality of hooks are formed on the connector bracket, a plurality of first hook avoidance holes are formed on the bus bracket, a plurality of second hook avoidance holes are formed on the first bus, the low-voltage plug-in includes a support plate and a plug-in portion, the plug-in portion is arranged on the support plate, a plurality of hook holes penetrating the support plate along the thickness direction are formed on the edge of the support plate, the hook passes through the first hook avoidance hole, the second hook avoidance hole and the hook hole in sequence, and the edge of the hook hole is located between the hook portion of the hook and the first bus.

[0011] According to some embodiments of the utility model, the bus bracket assembly also includes: a temperature sensing bracket, which is connected to the bus bracket, and the flexible circuit board also includes: a temperature sensor, which is connected to the circuit board body, and the temperature sensor is arranged on the temperature sensing bracket, and the temperature sensor is suitable for contacting with the battery cell for detecting the temperature of the battery cell.

[0012] According to some embodiments of the present invention, the temperature sensing bracket is disposed on a side of the busbar bracket facing the battery cell, and the circuit board body is disposed on a side of the busbar bracket facing away from the battery cell.

[0013] According to some embodiments of the utility model, the busbar bracket assembly also includes: a plurality of busbars, at least one of which is formed as a second busbar, a third rivet column is provided on the temperature sensing bracket, a fourth fixing hole is provided on the busbar bracket, a fifth fixing hole is formed on the second busbar, the temperature sensing bracket passes through the fourth fixing hole and the fifth fixing hole in sequence through the third rivet column and is riveted connected to the busbar bracket and the second busbar; a fourth rivet column is provided on the temperature sensing bracket, a sixth fixing hole is provided on the busbar bracket, and a seventh fixing hole is provided on the circuit board body, the temperature sensing bracket passes through the sixth fixing hole and the seventh fixing hole in sequence through the fourth rivet column and is riveted connected to the busbar bracket and the circuit board body.

[0014] According to some embodiments of the utility model, a temperature-sensing avoidance hole is formed on the bus bracket, and the flexible circuit board also includes a connecting arm, which is connected between the circuit board body and the temperature sensor, and passes through the temperature-sensing avoidance hole. The temperature sensor is fixed to the side of the temperature-sensing bracket facing the battery cell.

[0015] The battery module according to the second aspect of the present invention comprises: a plurality of battery cells, which are stacked in sequence along the thickness direction; the busbar bracket assembly according to the first aspect of the present invention, which is arranged on one side where the poles of the plurality of battery cells are located.

[0016] According to the battery module of the second aspect of the utility model, the production cost can be reduced by providing the busbar bracket assembly according to the first aspect of the utility model.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of a battery module according to an embodiment of the utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the busbar support assembly shown in ;

[0020] Figure 3 yes Figure 2 An enlarged view of A shown in FIG.

[0021] Figure 4 yes Figure 2 An enlarged view of point B shown in FIG.

[0022] Figure 5 yes Figure 2 Exploded view of the busbar support assembly shown in .

[0023] Reference numerals:

[0024] 1000. Battery module;

[0025] 100. Busbar bracket assembly;

[0026] 10. Busbar bracket; 11. Pole avoidance hole; 12. First fixing hole; 13. Second riveting column; 14. First hook avoidance hole; 15. Fourth fixing hole; 16. Sixth fixing hole; 17. Temperature sensor avoidance hole;

[0027] 20. Connector bracket; 21. First riveting column; 22. Hook;

[0028] 30. Flexible circuit board; 31. Circuit board body; 311. Third fixing hole; 312. Seventh fixing hole; 32. Low-voltage plug-in; 321. Support plate; 3211. Card hole; 322. Plug-in part; 33. Temperature sensor; 34. Connecting arm;

[0029] 40, busbar; 41, first busbar; 411, second fixing hole; 412, second hook avoidance hole; 42, second busbar; 421, fifth fixing hole;

[0030] 50. Temperature sensing bracket; 51. Third riveted column; 52. Fourth riveted column; 53. Main body; 54. Extension;

[0031] 200. Battery cell. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0033] Reference below Figure 1-Figure 5 A busbar support assembly 100 according to an embodiment of the first aspect of the present invention is described.

[0034] like Figure 2 , Figure 3 and Figure 5 As shown, the busbar support assembly 100 according to the first embodiment of the utility model includes: a busbar support 10 , a connector support 20 and a flexible circuit board 30 .

[0035] Specifically, a pole avoidance hole 11 is formed on the busbar bracket 10 and penetrates the busbar bracket 10 along the thickness direction. The connector bracket 20 is connected to the busbar bracket 10. The flexible circuit board 30 includes a circuit board body 31 and a low-voltage plug-in 32. The low-voltage plug-in 32 is connected to the circuit board body 31. The low-voltage plug-in 32 is arranged on the connector bracket 20, and the low-voltage plug-in 32 is opposite to the pole avoidance hole 11.

[0036] Among them, the pole avoidance hole 11 can provide an avoidance space for the connection between the bus 40 and the pole. During the assembly process, the bus bracket assembly 100 is assembled to one end of the multiple battery cells 200 where the pole is provided. In this way, the low-voltage plug-in 32 can be assembled to the battery module 1000 together with the bus bracket 10.

[0037] In the process of producing the busbar bracket 10, an integrated molding process is usually adopted. It is understandable to those skilled in the art that the more complex the structure of the busbar bracket 10 is, the higher the mold cost of the busbar bracket 10 is, thereby making the production cost of the battery module 1000 higher.

[0038] In this embodiment, the low-voltage plug-in 32 is connected to the bus bracket 10 through the connector bracket 20. In this way, the connection structure between the bus bracket 10 and the connector bracket 20 can be simplified, thereby simplifying the structure of the bus bracket 10, thereby reducing the production cost of the battery module 1000. In addition, the operation steps can be reduced and the production efficiency can be improved.

[0039] After assembly is completed, the low-voltage plug-in 32 is opposite to the pole avoidance hole 11. Therefore, the low-voltage plug-in 32 occupies less space in the length and width directions of the bus bracket 10, which can reduce the space occupied by the bus bracket assembly 100, thereby reducing the volume of the battery module 1000 and facilitating the layout of the battery module 1000.

[0040] According to the busbar bracket assembly 100 of the first aspect embodiment of the utility model, on the one hand, the low-voltage plug-in 32 is connected to the busbar bracket 10 through the connector bracket 20, which can simplify the structure of the busbar bracket 10, thereby reducing the development cost of the busbar bracket 10 mold, and further reducing the production cost of the battery module 1000. On the other hand, the low-voltage plug-in 32 is opposite to the pole avoidance hole 11, which can reduce the space occupied by the busbar bracket assembly 100 in the length and width directions, thereby reducing the volume of the battery module 1000 and facilitating the arrangement of the battery module 1000.

[0041] In some embodiments of the present invention, the bus bracket 10 is a piece of blister molding material or an injection molding material. The blister molding and injection molding have high production efficiency and high product consistency. Therefore, the production efficiency can be improved and the yield rate of the bus bracket assembly 100 can be improved.

[0042] In some embodiments of the utility model, the connector bracket 20 is arranged on the side of the bus bracket 10 facing the battery cell 200, wherein the bus 40 is arranged on the side of the bus bracket 10 away from the battery cell 200. Thus, when the bus bracket 10 is assembled on the bus bracket 10, the interference of the connector bracket 20 on the bus 40 can be reduced, thereby facilitating the arrangement of the bus 40 on the bus bracket 10.

[0043] The circuit board body 31 is disposed on a side of the busbar support 10 away from the battery cell 200 . Thus, the circuit board body 31 and the busbar 40 are disposed on the same side of the busbar support 10 , thereby facilitating electrical connection between the flexible circuit board 30 and the busbar 40 .

[0044] In some embodiments of the present invention, Figure 2 , Figure 3 and Figure 5 As shown, the bus bracket assembly 100 also includes: a plurality of bus bars 40, the plurality of bus bars 40 are arranged in sequence along the length direction of the bus bracket 10, wherein at least one bus bar 40 is formed as a first bus bar 41, a first rivet column 21 is provided on the connector bracket 20, a first fixing hole 12 is formed on the bus bracket 10, a second fixing hole 411 is formed on the first bus bar 41, and the connector bracket 20 is riveted to the bus bracket 10 and the first bus bar 41 after the first rivet column 21 passes through the first fixing hole 12 and the second fixing hole 411 in sequence.

[0045] Thus, the connection between the connector bracket 20 and the first busbar 41 and the busbar bracket 10 can be realized, and the first busbar 41 and the connector bracket 20 share the first rivet column 21, which can further simplify the structure of the busbar bracket assembly 100. In addition, the riveting connection strength is easy to operate and has a high connection strength, so that the production efficiency can be improved, and the connection strength between the connector bracket 20 and the first busbar 41 and the busbar bracket 10 meets the use requirements.

[0046] The busbar support 10 is provided with a second rivet column 13, and the circuit board body 31 is formed with a third fixing hole 311. The busbar support 10 is riveted and connected to the circuit board body 31 through the second rivet column 13 passing through the third fixing hole 311. Thus, the connection between the flexible circuit board 30 and the busbar support 10 can be achieved. In addition, the riveting connection strength is convenient to operate and has a high connection strength, so that the production efficiency can be improved, and the connection strength between the flexible circuit board 30 and the busbar support 10 meets the use requirements.

[0047] In some embodiments of the present invention, the low-voltage plug-in 32 is disposed on the side of the first busbar 41 away from the battery cell 200, and the low-voltage plug-in 32 is connected by snapping with the connector bracket 20. Thus, the interference of the low-voltage plug-in 32 with the wiring harness can be reduced, wherein the snap-on connection operation is convenient, which can reduce the production difficulty and improve the production efficiency.

[0048] In some embodiments of the present invention, Figure 3 and Figure 5 As shown, a plurality of hooks 22 are formed on the connector bracket 20, a plurality of first hook avoidance holes 14 are formed on the bus bracket 10, a plurality of second hook avoidance holes 412 are formed on the first bus 41, and the low-voltage plug-in 32 includes a support plate 321 and a plug-in portion 322, the plug-in portion 322 is arranged on the support plate 321, and a plurality of holes 3211 penetrating the support plate 321 along the thickness direction are formed on the edge of the support plate 321, the hook 22 passes through the first hook avoidance hole 14, the second hook avoidance hole 412 and the hole 3211 in sequence, and the edge of the hole 3211 is located between the hook portion of the hook 22 and the first bus 41,

[0049] When the low-voltage plug-in 32 moves away from the first busbar 41, the edge of the clamp hole 3211 can abut against the hook portion of the clamp hook 22, thereby preventing the low-voltage plug-in 32 from being disengaged from the plurality of clamp hooks 22, thereby achieving the clamping connection between the low-voltage plug-in 32 and the connector bracket 20, and making the low-voltage plug-in 32 disposed on the side of the first busbar 41 away from the battery cell 200. Preferably, the plurality of clamp hooks 22 are arranged at intervals around the circumference of the support plate 321.

[0050] In some embodiments of the present invention, Figure 2 , Figure 4 and Figure 5 As shown, the bus bracket assembly 100 also includes: a temperature sensing bracket 50, which is connected to the bus bracket 10, and the flexible circuit board 30 also includes: a temperature sensor 33, which is connected to the circuit board body 31, and the temperature sensor 33 is arranged on the temperature sensing bracket 50, and the temperature sensor 33 is suitable for contacting with the battery cell 200 for detecting the temperature of the battery cell 200.

[0051] Thus, the connection structure between the temperature sensor 33 and the busbar support 10 can be simplified, thereby further simplifying the structure of the busbar support 10, thereby further reducing the production cost. During the assembly process, the temperature sensor 33 can be assembled to the battery module 1000 together with the busbar support 10, thereby reducing the operation steps and improving the production efficiency.

[0052] Among them, the flexible circuit board 30 is connected to the thermal management system. During the operation of the battery module 1000, the temperature sensor 33 detects the temperature of the battery cell 200 and transmits the temperature data to the thermal management system. The thermal management system adjusts the thermal management strategy according to the temperature of the battery cell 200. In this way, compared with the prior art in which the temperature of the bus 40 is regarded as the temperature of the battery cell 200, the temperature sensor 33 directly detects the temperature data of the battery cell 200, which can make the operating condition identified by the thermal management system more matched with the actual operating condition, thereby making the thermal management strategy more adapted to the actual operating condition of the battery module 1000, thereby improving the working efficiency and safety of the battery module 1000.

[0053] In some embodiments of the present invention, the temperature sensing bracket 50 is disposed on the side of the busbar bracket 10 facing the battery cell 200, and the circuit board body 31 is disposed on the side of the busbar bracket 10 facing away from the battery cell 200. Thus, the interference of the temperature sensing bracket 50 on the busbar 40 can be reduced, the difficulty of arranging the busbar 40 on the busbar bracket 10 is reduced, and the electrical connection between the flexible circuit board 30 and the busbar 40 is facilitated.

[0054] In some embodiments of the present invention, Figure 2 , Figure 4 and Figure 5 As shown, the bus bracket assembly 100 also includes: a plurality of bus bars 40, at least one bus bar 40 is formed as a second bus bar 42, a third rivet column 51 is provided on the temperature sensing bracket 50, a fourth fixing hole 15 is provided on the bus bracket 10, a fifth fixing hole 421 is formed on the second bus bar 42, and the temperature sensing bracket 50 is riveted to the bus bracket 10 and the second bus bar 42 after the third rivet column 51 passes through the fourth fixing hole 15 and the fifth fixing hole 421 in sequence.

[0055] A fourth rivet column 52 is provided on the temperature sensing bracket 50, a sixth fixing hole 16 is provided on the bus bracket 10, and a seventh fixing hole 312 is provided on the circuit board body 31. The temperature sensing bracket 50 passes through the sixth fixing hole 16 and the seventh fixing hole 312 in sequence through the fourth rivet column 52 and is riveted to the bus bracket 10 and the circuit board body 31.

[0056] In this way, the temperature sensing bracket 50, the second bus 42 and the flexible circuit board 30 can be connected to the bus bracket 10, and the temperature sensing bracket 50 and the second bus 42 share the third rivet column 51, and the temperature sensing bracket 50 and the flexible circuit board 30 share the fourth rivet column 52, which can further simplify the structure of the bus bracket assembly 100.

[0057] In some embodiments of the present invention, Figure 5As shown, the temperature sensing bracket 50 includes: a main body 53 and an extension portion 54, the main body 53 extends along the length direction of the bus bracket 10, the extension portion 54 extends along the width direction of the bus bracket 10, the extension portion 54 is connected to one side of the main body 53 in the width direction of the bus bracket 10, the third rivet column 51 is arranged on the main body 53, the fourth rivet column 52 is arranged on the extension portion 54, the fourth fixing hole 15 and the sixth fixing hole 16 are arranged on one side of the pole avoidance hole 11 in the width direction of the bus bracket 10, and the fourth fixing hole 15 is located between the pole avoidance hole 11 and the sixth fixing hole 16.

[0058] During the production process, the third rivet column 51 on the main body 53 passes through the fourth fixing hole 15 and the fifth fixing hole 421 in sequence, so that the temperature sensing bracket 50 and the second bus 42 are riveted to the bus bracket 10, and the fourth rivet column 52 on the extension 54 passes through the sixth fixing hole 16 and the seventh fixing hole 312 in sequence, so that the temperature sensing bracket 50 and the flexible circuit board 30 are riveted to the bus bracket 10. In this way, the connection between the temperature sensing bracket 50, the second bus 42 and the flexible circuit board 30 and the bus bracket 10 can be achieved, and the extension 54 can be extended away from the pole avoidance hole 11, thereby avoiding interference with the second bus 42.

[0059] During product design, parameters such as the size of the main body 53 and the extension 54 , the relative angle between the main body 53 and the extension 54 , and the position of the third rivet column 51 and the fourth rivet column 52 can be adjusted to meet more product design requirements.

[0060] In some embodiments of the present invention, Figure 4 and Figure 5 As shown, a temperature sensing avoidance hole 17 is formed on the busbar bracket 10, and the flexible circuit board 30 further includes a connecting arm 34, which is connected between the circuit board body 31 and the temperature sensor 33, and passes through the temperature sensing avoidance hole 17. The temperature sensor 33 is fixed to the side of the temperature sensing bracket 50 facing the battery cell 200. Therefore, when the busbar bracket assembly 100 is assembled to a plurality of battery cells 200, the temperature sensor 33 can be brought into contact with the battery cell 200, wherein, preferably, the temperature sensor 33 is bonded to the temperature sensing bracket 50.

[0061] Reference below Figure 1-Figure 5 A battery module 1000 according to an embodiment of the second aspect of the present invention is described.

[0062] According to the battery module 1000 of the second aspect of the present utility model, Figure 1 As shown, it includes: a plurality of battery cells 200 and the busbar support assembly 100 according to the first embodiment of the utility model.

[0063] The battery cells 200 are stacked in sequence along the thickness direction, and the busbar support assembly 100 is disposed on one side where the poles of the plurality of battery cells 200 are located.

[0064] According to the battery module 1000 of the second embodiment of the utility model, the production cost can be reduced by providing the busbar bracket assembly 100 according to the first embodiment of the utility model.

[0065] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0066] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0067] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0069] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A busbar support assembly, characterized in that: include: A busbar support, wherein a pole avoidance hole is formed on the busbar support and penetrates the busbar support in a thickness direction; A connector bracket, the connector bracket is connected to the busbar bracket; A flexible circuit board comprises a circuit board body and a low-voltage plug-in, wherein the low-voltage plug-in is connected to the circuit board body, the low-voltage plug-in is arranged on the connector bracket, and the low-voltage plug-in is opposite to the pole avoidance hole.

2. The busbar support assembly according to claim 1, characterized in that: The connector bracket is arranged on a side of the busbar bracket facing the battery cell, and the circuit board body is arranged on a side of the busbar bracket facing away from the battery cell.

3. The busbar support assembly according to claim 2, characterized in that: Also includes: A plurality of busbars, wherein the plurality of busbars are arranged in sequence along the length direction of the busbar bracket, wherein at least one of the busbars is formed as a first busbar, The connector bracket is provided with a first riveting column, the busbar bracket is formed with a first fixing hole, and the first busbar is formed with a second fixing hole, and the connector bracket is riveted to the busbar bracket and the first busbar after the first riveting column passes through the first fixing hole and the second fixing hole in sequence; The busbar bracket is provided with a second riveting column, and the circuit board body is formed with a third fixing hole. The busbar bracket is riveted and connected to the circuit board body via the second riveting column passing through the third fixing hole.

4. The busbar support assembly according to claim 3, characterized in that: The low-voltage plug-in is arranged on a side of the first bus bar away from the battery cell, and the low-voltage plug-in is clamped and connected with the connector bracket.

5. The busbar support assembly according to claim 4, characterized in that: The connector bracket is formed with a plurality of hooks, the bus bracket is formed with a plurality of first hook avoidance holes, and the first bus is formed with a plurality of second hook avoidance holes. The low-voltage plug-in includes a support plate and a plug-in portion, the plug-in portion is arranged on the support plate, and the edge of the support plate is formed with a plurality of clamping holes that penetrate the support plate along the thickness direction, the clamping hook passes through the first clamping hook avoidance hole, the second clamping hook avoidance hole and the clamping hole in sequence, and the edge of the clamping hole is located between the hook portion of the clamping hook and the first bus.

6. The busbar support assembly according to any one of claims 1 to 5, characterized in that: The busbar bracket assembly further includes: a temperature sensing bracket, the temperature sensing bracket is connected to the busbar bracket, The flexible circuit board further comprises: a temperature sensor, the temperature sensor is connected to the circuit board body, the temperature sensor is arranged on the temperature sensing bracket, and the temperature sensor is suitable for contacting with the battery cell to detect the temperature of the battery cell.

7. The busbar support assembly according to claim 6, characterized in that: The temperature sensing bracket is arranged on a side of the busbar bracket facing the battery cell, and the circuit board body is arranged on a side of the busbar bracket facing away from the battery cell.

8. The busbar support assembly according to claim 7, characterized in that: Also includes: a plurality of busbars, wherein at least one of the busbars is formed as a second busbar, The temperature sensing bracket is provided with a third riveting column, the busbar bracket is provided with a fourth fixing hole, and the second busbar is formed with a fifth fixing hole, and the temperature sensing bracket is riveted to the busbar bracket and the second busbar after the third riveting column passes through the fourth fixing hole and the fifth fixing hole in sequence; The temperature sensing bracket is provided with a fourth rivet column, the bus bracket is provided with a sixth fixing hole, and the circuit board body is provided with a seventh fixing hole. The temperature sensing bracket passes through the sixth fixing hole and the seventh fixing hole in sequence through the fourth rivet column and is then riveted to the bus bracket and the circuit board body.

9. The busbar support assembly according to claim 7, characterized in that: The busbar bracket is formed with a temperature-sensing avoidance hole. The flexible circuit board also includes a connecting arm, which is connected between the circuit board body and the temperature sensor. The connecting arm passes through the temperature sensing avoidance hole. The temperature sensor is fixed to a side of the temperature sensing bracket facing the battery cell.

10. A battery module, characterized in that: include: A plurality of battery cells, wherein the battery cells are stacked in sequence along a thickness direction; The busbar support assembly according to any one of claims 1 to 9 is arranged on a side where the poles of the plurality of battery cells are located.

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