CN219717122U - Module collection assembly and battery module - Google Patents

Abstract

The utility model relates to a module collection assembly and a battery module, wherein the module collection assembly comprises: the bracket comprises a bracket body; the confluence sheet is positioned on the bracket; the output electrode base comprises a base support and a fixing piece, wherein the base support comprises a main body part and a plurality of clamping hooks which are connected to the edge of the main body part in a bending way; the base support is detachably arranged on the support body through a plurality of clamping hooks, and the fixing piece is positioned on the base support so as to fix the bus piece on the base support. The base bracket is detachably arranged on the bracket body by utilizing the plurality of hooks, and the bus piece is fixed on the base bracket by utilizing the fixing piece.

Description

Module collection assembly and battery module

Technical Field

The utility model relates to the technical field of batteries, in particular to a module collecting assembly and a battery module.

Background

In the related art, a conventional battery module collection assembly is generally composed of a plastic support, a confluence sheet, an FPC and the like, the FPC is arranged on the confluence sheet, the confluence sheet is arranged on the plastic support, and the confluence sheet and the plastic support are arranged at a high-voltage output electrode of the module collection assembly. The module collection assembly high-voltage output electrode is connected with a high-voltage copper bar, and the plastic support is also provided with a nut and plastic integrated injection molding, so that the high-voltage copper bar is connected with insulation protection and fixing reliability is improved.

However, the plastic bracket formed by integrating the nut and the plastic adopted at the high-voltage output pole of the current module collecting assembly can only meet the requirement of high-voltage copper bar connection when the charging multiplying power is low. When the high-voltage copper bar that connects carries out high multiplying power and charges, the temperature rise of high-voltage copper bar is faster, can lead to the nut temperature rise of moulding plastics of connection, and then leads to plastic deformation, causes nut and plastic to drop, and when whole car takes place vibration or impact, power battery module in the battery package and relevant connection also can take place vibration or impact, further causes high-voltage copper bar and module to gather the output pole connection inefficacy of subassembly to initiate the security risk.

Disclosure of Invention

In view of this, the utility model provides a module collecting assembly and a battery module, which can make a base bracket more firmly fixed on the bracket by using a hook, and make the fixing mode among a fixing piece, the base bracket and a bracket body more flexible.

In a first aspect, embodiments of the present utility model provide a module acquisition assembly comprising: the bracket comprises a bracket body; the confluence sheet is positioned on the bracket; the output electrode base comprises a base support and a fixing piece, wherein the base support comprises a main body part and a plurality of clamping hooks which are connected with the edge of the main body part in a bending way; the base support is detachably mounted on the support body through a plurality of clamping hooks, and the fixing piece is located on the base support so as to fix the bus piece on the base support.

In an embodiment, the top of the support body is provided with a mounting hole, the base support is mounted in the mounting hole, and the base support is made of high-temperature-resistant plastic.

In an embodiment, the bracket body includes a plurality of hook positioning portions and a plurality of limiting portions that are connected to each other, and the mounting hole is surrounded by the hook positioning portions and the limiting portions.

In an embodiment, a limiting gap is formed between two adjacent hooks, wherein each hook hooks the corresponding hook positioning portion, and each limiting gap is provided for the corresponding limiting portion to extend in.

In an embodiment, each of the limiting portions is connected between two adjacent hook positioning portions, is shaped like a Chinese character 'ji', and protrudes towards the center of the mounting hole.

In an embodiment, the top of the bracket body is further provided with a plurality of limiting grooves communicated with the mounting holes, the base bracket further comprises a plurality of limiting steps connected to the edge of the main body part, and the limiting steps are mounted in the limiting grooves.

In an embodiment, the base support further comprises a base body connected to the bottom of the main body, the base body is surrounded by a plurality of hooks, and the base support is provided with an embedding hole penetrating through the main body and the base body.

In an embodiment, the fixing member includes a lap joint portion and a fixing portion connected to a bottom of the lap joint portion, the lap joint portion is electrically connected to the busbar, and the fixing portion passes through the busbar and is fixed to the embedding hole.

In an embodiment, the fixing member and the base bracket are integrally injection molded, wherein the fixing member is an injection nut.

In a second aspect, embodiments of the present utility model provide a battery module including the module collecting assembly.

The base support is detachably arranged on the support body through the plurality of hooks, the confluence sheet is fixed on the base support through the fixing piece, the base support can be firmly fixed on the support through the hooks according to the aspects of the utility model, and the fixing mode among the fixing piece, the base support and the support body is more flexible.

Drawings

The technical solution and other advantageous effects of the present utility model will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.

Fig. 1 shows a schematic view of a battery module according to an embodiment of the present utility model.

Fig. 2 shows an exploded view of a module acquisition assembly according to an embodiment of the present utility model.

Fig. 3 shows an enlarged schematic view of a portion of a bracket body and an output pole mount according to an embodiment of the present utility model.

Fig. 4 shows an exploded view of the bracket body and the output pole base of an embodiment of the present utility model.

Fig. 5 shows a schematic view of a base bracket and a fixture according to an embodiment of the present utility model.

Fig. 6 shows a schematic view of a base bracket mounted to a bracket body according to an embodiment of the present utility model.

Fig. 7 is a schematic view illustrating an assembled battery module according to an embodiment of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly stated otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements or interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials. In some instances, well known methods, procedures, components, and circuits have not been described in detail so as not to obscure the present utility model.

Fig. 1 shows a schematic view of a battery module according to an embodiment of the present utility model. As shown in fig. 1, the battery module 100 may include a module collection assembly 1, the module collection assembly 1 may be disposed in the battery module 100, and the module collection assembly 1 is configured to collect parameters of a plurality of battery cells in the battery module 100, such as temperature, voltage, and current of the battery cells. It will be appreciated that the specific parameters collected by the module collecting assembly 1 may be set as needed, which is not limited in this utility model.

Fig. 2 shows an exploded view of a module acquisition assembly according to an embodiment of the present utility model. Referring to fig. 2, the module collecting assembly 1 may include a bracket 11, a bus bar 12, and an output pole base 15. The bracket 11 may be a plastic bracket, and the busbar 12 may be a high-voltage copper bar.

In one embodiment, the support 11 is disposed on a plurality of cells (not shown in fig. 2) arranged in an array. The row direction of the battery cell arrangement is parallel to the y direction in fig. 2, the column direction of the battery cell arrangement is parallel to the x direction in fig. 2, and the battery cells are erected in the tray along the height direction parallel to the z direction in fig. 2.

In an embodiment, the bus bar 12 is located on the support 11, and the bus bar 12 is disposed corresponding to a plurality of the electrical cells. The bus bar 12 may include a plurality of bus bars, each of which may include a positive electrode connection portion electrically connected with the positive electrode of the battery cell and a negative electrode connection portion electrically connected with the negative electrode of the battery cell.

In one embodiment, the bracket 11 may include a bracket body 111. The bracket body 111 is integrally formed with a portion of the bracket 11 corresponding to the bus bar 12. The height of the bracket body 111 in the z-direction may be smaller than the height of the bus bar 12 in the z-direction.

In an embodiment, the output pole base 15 may be mounted on the stand body 111, and different output pole bases 15 may be disposed at different output polarities of the stand 11. As shown in fig. 2, two output pole bases 15 may be provided, where one output pole base 15 may be mounted on the left bracket body 111 for outputting positive signals that are conveyed after being collected by the plurality of positive connection portions, and the other output pole base 15 may be mounted on the right bracket body 111 for outputting negative signals that are conveyed after being collected by the plurality of negative connection portions.

Fig. 3 to 5 show specific structures of the bracket body and the output electrode base according to the embodiment of the present utility model.

In one embodiment, as shown in fig. 4, the top of the bracket body 111 is provided with a mounting hole 110, and the mounting hole 110 may be a semi-cylindrical cavity.

In one embodiment, the base bracket 151 is detachably mounted to the bracket body 111 by a plurality of the hooks 1512, and the fixing members 152 are positioned on the base bracket 151 to fix the bus bar 12 to the base bracket 151.

In an embodiment, referring to fig. 4, the bracket body 111 includes a plurality of hook positioning portions 114 and a plurality of limiting portions 113 that are connected to each other, and the plurality of hook positioning portions 114 and the plurality of limiting portions 113 enclose the mounting hole 110.

The hook positioning portion 114 may be a hook limiting surface for mounting the output electrode base 15, and the limiting portion 113 may be a supporting block. Illustratively, the hook positioning portion 114 is a cambered surface, and the limiting portion 113 is a cuboid.

In an embodiment, the plurality of hook positioning portions 114 and the plurality of limiting portions 113 are staggered. Each of the limiting portions 113 is connected between two adjacent hook positioning portions 114, is shaped like a Chinese character 'ji', and protrudes toward the center of the mounting hole 110. The hook positioning portion 114 may be connected between two adjacent limiting portions 113. For example, each two limiting parts 113 and the hook positioning parts 114 between the two limiting parts 113 together form a "table" shaped structure. Through setting up "several" font structure, can further improve the joint strength of pothook location portion and spacing portion.

In an embodiment, referring to fig. 3, a plurality of limiting grooves 112 are further disposed on the top of the bracket body 111 and are in communication with the mounting hole 110. Preferably, the limiting groove 112 is U-shaped.

In one example, the limiting grooves 112 are uniformly distributed on the semicircle of the bracket body 111, the limiting portions 113 are uniformly and convexly arranged on the semicircle surface of the bracket body 111, and the hook positioning portions are arranged on the arc-shaped reinforcing ribs of the bracket body 111 to form a plurality of's shape.

In one embodiment, the output electrode base 15 is disposed on the bracket body 111 and is located below the bus bar 12 at the output.

Further, referring to fig. 3, the output pole base 15 may include a base bracket 151 and a fixture 152. The base bracket 151 is mounted to the mounting hole 110 of the bracket 11, and the fixing member 152 may be used to fix the bus bar 12 to the base bracket 151.

Wherein, the base bracket 151 is detachably mounted to the bracket body 111. The base bracket 151 may be made of a high temperature resistant plastic material.

In one embodiment, referring to fig. 4, the base bracket 151 includes a main body 150 and a plurality of hooks 1512 that are flexibly connected to edges of the main body 150, and a limiting gap 1510 is provided between two adjacent hooks 1512. The catch 1512 is also referred to as a base catch.

Wherein, the hook 1512 is in limit fit with the hook positioning portion 114. Each hook 1512 hooks the corresponding hook positioning portion 114, and each limit slot 1510 is configured to allow the corresponding limit portion 113 to extend into.

In one embodiment, referring to fig. 4, the base bracket 151 further includes a plurality of limiting steps 1513 connected to the edge of the main body 150, and the plurality of limiting steps 1513 are installed in the plurality of limiting grooves 112. Wherein, the limiting steps 1513 are in limiting fit with the limiting grooves 112, and each limiting step 1513 can be installed in one of the limiting grooves 112 corresponding to the limiting step 1513.

In an embodiment, as shown in fig. 5, fig. 5 is an inverted schematic view of the base bracket 151. The base bracket 151 further includes a base body 1511 coupled to the bottom of the main body 150, and a plurality of hooks 1512 surround the base body 1511.

In an embodiment, as shown in fig. 4 and 5, the base bracket 151 further includes a stopper 1514, and the stopper 1514 may be U-shaped. The limiting block 1514 may be engaged with the bottom of the limiting portion 113.

In one embodiment, referring to fig. 5, the base bracket 151 is provided with an insertion hole 1515 penetrating the main body 150 and the base body 1511. The insertion hole 1515 may be a nut insertion hole for inserting the fixing member 152. The embedded holes 1515 wrap the knurled posts of the mount 152.

In one embodiment, the fixing member 152 includes a bridging portion 1521 and a fixing portion 1522 connected to a bottom portion of the bridging portion 1521. Wherein, the overlapping portion 1521 may be a bus bar overlapping surface. The lap joint portion 1521 is electrically connected to the bus bar 12, and the fixing portion 1522 passes through the bus bar 12 and is fixed to the insertion hole 1515. The fixing portion 1522 may be a knurled column.

Wherein the securing member 152 may be an injection molded nut. The fixing member 152 is integrally injection molded with the base bracket 151. The injection molding nut is made of metal.

In one embodiment, the surface treatment of the lap portion 1521 is consistent with the busbar sheet 12. For example, when the bus bar 12 is an aluminum bar, the lap portion 1521 may be made of aluminum, and polished by the same process as the bus bar 12.

Fig. 6 shows a schematic view of a base bracket mounted to a bracket body according to an embodiment of the present utility model. As shown in fig. 6, the output electrode base 15 is mounted on the bracket 11. When the bus bar is installed, the hook 1512 is in limit fit with the hook positioning portion 114, and the fixing portion 1522 passes through the bus bar 12 and is fixed to the insertion hole 1515.

Fig. 7 is a schematic view illustrating an assembled battery module according to an embodiment of the present utility model. Further, as shown in fig. 1 and 7, the module pick up assembly 1 may further include a flexible circuit member (FPC) 13 and an insulating sheet 14. The flexible circuit member 13 may be disposed on the bus bar 12 and electrically connected to the bus bar 12. The insulating sheet 14 is disposed on the side of the plurality of the cells. When part of the flexible circuit member 13 is also located at the side of the plurality of the battery cells, the insulating sheet 14 may be disposed at a side of the flexible circuit member 13 away from the plurality of the battery cells.

Further, referring to fig. 1, the module acquisition assembly 1 may further include a mount 16. The fixing frames 16 may be provided in two, and may be disposed on the flexible circuit member 13. The fixing frame 16 may be used for fixing the flexible circuit member 13.

In summary, through utilizing a plurality of pothooks to detachably install the base support in the support body to utilize the mounting to be fixed in the piece that converges is fixed in the base support, the embodiment of the utility model can utilize the pothook to make the base support more firmly fixed in the support, and make the fixed mode between mounting, base support and the support body three more nimble, compare in the relevant art with mounting and support integrated design directly, can improve the fixed and the joint strength of module collection subassembly output pole, even under the condition of high multiplying power charge and discharge, because heat is conducted through mounting, base support and support body, and not directly conduct through integral type mounting and support in a large scale, can optimize the conduction path of heat, delay the speed that the output pole temperature risen, thereby reduce the risk that the mounting drops.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The module collecting assembly and the battery module provided by the embodiment of the utility model are described in detail, and specific examples are applied to explain the principle and the implementation mode of the utility model, and the description of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A module collection assembly, comprising:

a bracket (11), the bracket (11) comprising a bracket body (111);

a busbar (12) positioned on the bracket (11);

an output pole base (15) comprising a base bracket (151) and a fixing member (152), wherein the base bracket (151) comprises a main body part (150) and a plurality of hooks (1512) connected with the edge of the main body part (150) in a bending way;

wherein, the base bracket (151) is detachably mounted on the bracket body (111) through a plurality of hooks (1512), and the fixing piece (152) is positioned on the base bracket (151) so as to fix the bus bar (12) on the base bracket (151).

2. The module collection assembly according to claim 1, wherein a mounting hole (110) is formed in the top of the bracket body (111), the base bracket (151) is mounted in the mounting hole (110), and the base bracket (151) is made of plastic.

3. The module collecting assembly according to claim 2, wherein the bracket body (111) includes a plurality of hook positioning portions (114) and a plurality of limiting portions (113) that are connected to each other, and the mounting hole (110) is surrounded by the plurality of hook positioning portions (114) and the plurality of limiting portions (113).

4. A module collection assembly according to claim 3, wherein a limiting gap (1510) is provided between two adjacent hooks (1512), wherein each hook (1512) hooks the corresponding hook positioning portion (114), and each limiting gap (1510) is provided for the corresponding limiting portion (113) to extend into.

5. The module collecting assembly according to claim 4, wherein each of the limiting portions (113) is connected between two adjacent hook positioning portions (114), is shaped like a Chinese character 'ji', and protrudes toward the center of the mounting hole (110).

6. A module collection assembly according to claim 3, wherein the top of the bracket body (111) is further provided with a plurality of limit grooves (112) communicating with the mounting holes (110), the base bracket (151) further comprises a plurality of limit steps (1513) connected to the edge of the main body (150), and the plurality of limit steps (1513) are mounted in the plurality of limit grooves (112).

7. The module acquisition assembly of claim 4, wherein the base bracket (151) further comprises a base body (1511) connected to a bottom of the main body (150), a plurality of hooks (1512) surrounding the base body (1511), the base bracket (151) being provided with an embedded hole (1515) through the main body (150) and the base body (1511).

8. The module collection assembly according to claim 7, wherein the fixing member (152) includes a lap joint portion (1521) and a fixing portion (1522) connected to a bottom portion of the lap joint portion (1521), the lap joint portion (1521) is electrically connected to the bus bar (12), and the fixing portion (1522) passes through the bus bar (12) and is fixed to the insertion hole (1515).

9. The module collection assembly of claim 8, wherein the securing member (152) is integrally injection molded with the base bracket (151), wherein the securing member (152) is an injection molded nut.

10. A battery module comprising the module collection assembly of any one of claims 1-9.