CN220753606U - Battery module support and battery pack - Google Patents

Abstract

The application relates to a bracket of a battery module and a battery pack, wherein a mounting groove which extends along a first direction and is adapted to a battery cell assembly is formed in the bracket; the outer side wall of the bracket is provided with a positioning groove which is adapted to the busbar assembly along a first direction; two opposite ends of the bracket along the first direction are provided with clamping structures for connecting with the acquisition board assembly; the two opposite ends of the bracket along the first direction are convexly provided with frame structures, the frame structures are provided with limiting blocks along the second direction, and the limiting blocks limit the insulating sheet assembly to avoid the insulating sheet assembly from separating from the frame structures; a support structure is arranged on one end face of the support along the third direction, a step part is arranged on the support structure in a protruding mode, the inverter module is arranged at one end, far away from the support, of the support structure, and the battery management system is arranged at the step part; the support of this battery module is integrated, is convenient for to the assembly of each subassembly of battery module, has reduced the required installation space of battery module, improves the convenience of installation.

Description

Battery module support and battery pack

Technical Field

The application relates to the field of energy storage equipment, in particular to a bracket of a battery module and a battery pack.

Background

With the continuous development of new energy automobiles, lithium-ion batteries have also been rapidly developed.

The current lithium electron soft package battery module includes electric core subassembly, busbar subassembly, collection board subassembly, insulating piece subassembly, dc-to-ac converter module and battery management system, because electric core subassembly includes a plurality of electric cores and is used for installing the electric core support of a plurality of electric cores, the backward flow is arranged the subassembly and is included a plurality of busbar and is used for installing the busbar support of a plurality of busbar, collection board subassembly includes a plurality of collection boards and is used for installing a plurality of collection board support of collection board subassembly, insulating piece subassembly includes a plurality of insulating pieces and is used for installing the insulating piece support of a plurality of insulating pieces, still need set up the installing support of installation dc-to-ac converter module and battery management system.

During installation, each part is required to be connected with each bracket, and then a plurality of brackets are assembled, so that the battery module is large in size by the installation mode, namely, a large installation space is required to be formed in the shell, the installation process is complex, and the efficiency is low.

Disclosure of Invention

An object of the application is to provide a battery module's support and battery package, this battery module's support can reduce the required installation space of battery module, improves the convenience of installation.

To this end, in a first aspect, embodiments of the present application provide a bracket of a battery module, where the battery module includes a battery cell assembly, a busbar assembly, a collection board assembly, an insulating sheet assembly, an inverter module, and a battery management system, and a mounting groove extending along a first direction and adapted to the battery cell assembly is provided in the bracket; the outer side wall of the bracket is provided with a positioning groove which is adapted to the busbar assembly along a first direction; two opposite ends of the bracket along the first direction are provided with clamping structures for connecting with the acquisition board assembly; frame structures are arranged at two opposite ends of the support in a protruding mode along a first direction, limiting blocks are arranged on the frame structures along a second direction, and the limiting blocks limit the insulating sheet assembly to prevent the insulating sheet assembly from being separated from the frame structures; the battery management system comprises a support, a battery management system, an inverter module, a battery management system and a step part, wherein the support is arranged on one end face of the support along a third direction, the step part is arranged on the support in a protruding mode, the inverter module is arranged at one end, far away from the support, of the support, and the battery management system is arranged at the step part; the first direction, the second direction and the third direction are intersected in pairs.

In one possible implementation, the bracket includes a first leg and a second leg that are detachably connected; the battery cell assembly includes a plurality of battery cells, a plurality of the battery cells set up in the inside of support, the mounting groove includes: the first mounting grooves are positioned on one side of the first branch part towards the second branch part along the first direction, and the first mounting grooves are adapted to one end of the battery cell; the plurality of second mounting grooves are located on one side, facing the first branch portion, of the second branch portion along the first direction, and the second mounting grooves are adapted to the other end of the battery cell.

In one possible implementation, the busbar assembly includes a first busbar, a second busbar, and a third busbar extending along the first direction, and having one end facing the first busbar and the other end facing the second busbar, the positioning slot including: the first positioning groove is positioned on the end face, away from the second branch part, of the first branch part along the first direction, and is communicated with the first mounting groove and used for mounting the first busbar; the second positioning groove is positioned on the end face, away from the first branch part, of the second branch part along the first direction, and is communicated with the second mounting groove and used for mounting the second busbar; and a third positioning groove is formed in the outer wall of the first branch part and/or the outer wall of the second branch part along the second direction, one end of the positioning block is connected with the side wall of the first branch part and/or the side wall of the second branch part, the other end of the positioning block is bent and is formed with a third positioning groove at intervals with the outer side wall of the first branch part and/or the outer side wall of the second branch part, and the third positioning groove is used for installing the third busbar.

In one possible implementation manner, the collecting board assembly includes a first collecting board and a second collecting board, the first collecting board is provided with a first communication hole, the second collecting board is provided with a second communication hole, and the clamping structure includes: the first connecting block is arranged on the end face of the first supporting part, which is away from the second supporting part, along the first direction, and is provided with a first mounting hole corresponding to the first communication hole; and a second connection block disposed on an end surface of the second branch portion facing away from the first branch portion in the first direction, the second connection block being provided with a second mounting hole corresponding to the second communication hole.

In one possible implementation manner, the first collecting plate is provided with a first positioning hole, the second collecting plate is provided with a second positioning hole, and the clamping structure further includes: the first positioning column is arranged on the end face, deviating from the second support part, of the first support part along the first direction, is connected with the first connecting block and is used for extending into the first positioning hole; and the second positioning column is arranged on the end face, deviating from the first branch part, of the second branch part along the first direction, is connected with the second connecting block, and is used for extending into the second positioning hole.

In one possible implementation, the clamping structure further includes: the first abutting block is arranged on the end face of the first branch part, which is away from the second branch part, along the first direction and is used for abutting against the first acquisition plate; and the second abutting block is arranged on the end face, deviating from the first supporting part, of the second supporting part along the first direction, and the first abutting block is used for abutting the second collecting plate.

In one possible implementation, the insulating sheet assembly includes a first insulating sheet and a second insulating sheet, and the frame structure includes: the first frame is connected with the end part, deviating from the second support part, of the first support part along the first direction, the limiting block comprises a first limiting block, the first limiting block is arranged on the inner wall of the first frame along the second direction, and the first limiting block is used for limiting the first insulating sheet; and the second frame is connected with the end part of the second branch part, which is away from the first branch part, along the first direction, the limiting block comprises a second limiting block, the second limiting block is arranged on the inner wall of the second frame along the second direction, and the second limiting block is used for limiting the second insulating sheet.

In one possible implementation, the support structure includes:

the first supporting block is arranged on the first supporting part in a protruding mode along the third direction, the step part comprises a first step part, and the first step part is arranged on the first supporting block along the third direction; the second supporting block is arranged on the second supporting part in a protruding mode along the third direction, the step part comprises a second step part, and the second step part is arranged on the second supporting block along the third direction; the inverter module is located at the first step portion and the second step portion, a portion of the battery management system is located at one end of the first support block away from the first branch portion, and another portion of the battery management system is located at one end of the second support block away from the second branch portion.

In one possible implementation, the support structure includes a mounting seat, where the mounting seat is disposed on the second branch portion along the third direction, and the mounting seat includes two clamping blocks, where the two clamping blocks are used to clamp a cooling fan of the battery management system.

In a second aspect, an embodiment of the present application provides a battery pack, including a battery module and a support of any one of the above battery modules, the battery module includes a battery cell assembly, a busbar assembly, a collection board assembly, an insulating sheet assembly, an inverter module and a battery management system.

According to the bracket and the battery pack of the battery module, the battery module comprises a battery cell assembly, a busbar assembly, a collecting plate assembly, an insulating sheet assembly, an inverter module and a battery management system, wherein the bracket is internally provided with a mounting groove which extends along a first direction and is adapted to the battery cell assembly; the outer side wall of the bracket is provided with a positioning groove which is adapted to the busbar assembly along a first direction; two opposite ends of the bracket along the first direction are provided with clamping structures for connecting with the acquisition board assembly; the two opposite ends of the bracket along the first direction are convexly provided with frame structures, the frame structures are provided with limiting blocks along the second direction, and the limiting blocks limit the insulating sheet assembly to avoid the insulating sheet assembly from separating from the frame structures; a supporting structure is arranged on one end face of the bracket along the third direction, a step part is convexly arranged on the supporting structure, the inverter module is arranged at one end of the supporting structure far away from the bracket, and the battery management system is arranged at the step part; the first direction, the second direction and the third direction are intersected in pairs. The support of the battery module can integrate the battery cell assembly, the busbar assembly, the acquisition board assembly, the insulating sheet assembly, the inverter module and the battery management system, so that the installation space required by the battery module is reduced, and the installation convenience is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 is a schematic structural view showing a battery module and a bracket according to an embodiment of the present application;

fig. 2 shows an exploded view of a battery module and a cradle provided in an embodiment of the present application;

fig. 3 shows a schematic structural diagram of a second branch provided in an embodiment of the present application;

fig. 4 shows a schematic structural view of a partial battery module and a bracket according to an embodiment of the present application;

Fig. 5 shows a schematic structural diagram of a bracket provided in an embodiment of the present application;

fig. 6 shows a second schematic structural view of a partial battery module and a bracket according to an embodiment of the present disclosure;

fig. 7 shows a second schematic structural diagram of the bracket according to the embodiment of the present application;

fig. 8 shows a schematic structural diagram of a housing provided in an embodiment of the present application.

Reference numerals illustrate:

1. a cell assembly; 11. a battery cell; 2. a busbar assembly; 21. a first bus bar; 22. a second bus bar; 23. a third bus bar; 31. a first acquisition board; 311. a first positioning hole; 32. a second acquisition board; 321. a second positioning hole; 41. a first insulating sheet; 42. a second insulating sheet; 5. an inverter module; 6. a battery management system; 7. a bracket; 711. a first mounting groove; 712. a second mounting groove body; 721. a first positioning groove; 722. a second positioning groove; 723. a positioning block; 7231. a third positioning groove; 731. a first connection block; 732. a second connection block; 733. a first positioning column; 734. a second positioning column; 735. a first abutment block; 736. a second abutment block; 741. a first frame; 7411. a first limiting block; 742. a second frame; 7421. a second limiting block; 75. a support structure; 751. a first support block; 7511. a first step portion; 752. a second support block; 7521. a second step portion; 753. a mounting base; 76. a first leg; 77. a second leg; 8. a housing.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Fig. 1 shows a schematic structural diagram of a battery module and a bracket provided in an embodiment of the present application, and fig. 2 shows an exploded view of the battery module and the bracket provided in the embodiment of the present application.

As shown in fig. 1 to 2, the embodiment of the present application provides a bracket of a battery module for accommodating and supporting the battery module, wherein the battery module includes a cell assembly 1, a busbar assembly 2, a collection plate assembly, an insulating sheet assembly, an inverter module 5, and a battery management system 6.

The battery cell assembly 1, the busbar assembly 2, the acquisition board assembly, the inverter module 5 and the battery management system 6 are electrically connected, and the battery management system 6 can adjust and manage the battery cell assembly 1, the busbar assembly 2, the acquisition board assembly and the inverter module 5, and the insulating sheet assembly is arranged outside the acquisition board assembly, so that the acquisition board assembly is protected.

The inside of the bracket 7 is provided with a mounting groove which extends along a first direction and is adapted to the battery cell assembly 1, and the outer side wall of the bracket 7 is provided with a positioning groove which is adapted to the busbar assembly 2 along the first direction; two opposite ends of the bracket 7 along the first direction are provided with clamping structures for connecting with the acquisition board assembly; the two opposite ends of the support 7 along the first direction are provided with frame structures in a protruding mode, the frame structures are provided with limiting blocks along the second direction, the limiting blocks limit the insulating sheet assemblies to prevent the insulating sheet assemblies from separating from the frame structures, a supporting structure 75 is arranged on one end face of the support 7 along the third direction, a step portion is arranged on the supporting structure 75 in a protruding mode, the inverter module 5 is arranged at one end, far away from the support 7, of the supporting structure 75, and the battery management system 6 is arranged at the step portion; the first direction, the second direction and the third direction are intersected in pairs.

It should be understood that the inside of the bracket 7 is provided with a mounting groove extending along the first direction, and when in mounting, the battery cell assembly 1 is mounted in the mounting groove inside the bracket 7, the battery cell assembly 1 comprises a plurality of battery cells 11, and the number of the mounting grooves is the same as that of the battery cells 11, so that the battery cells 11 extend into the mounting grooves, and the battery cell assembly 1 is mounted. The outer side wall of the bracket 7 is provided with a positioning groove along the first direction, and when the bus bar assembly 2 is installed in the positioning groove outside the bracket 7. Two opposite ends of the bracket 7 along the first direction are provided with clamping structures for being connected with the acquisition board assembly, and when the acquisition board assembly is installed, the acquisition board assembly is connected with the clamping structures outside the bracket 7. The support 7 is provided with the frame structure along the relative both ends protrusion of first direction, and the frame structure is provided with the stopper along the second direction, and during the installation, install insulating sheet subassembly in the outside frame structure department of support 7 and carry out spacing installation with insulating sheet subassembly through the stopper. The support structure 75 is arranged on one end face of the support 7 along the third direction, a step part is arranged on the support structure 75 in a protruding mode, and when the inverter module 5 is installed at one end, far away from the support 7, of the support structure 75, and the battery management system 6 is installed at the step part.

The first direction, the second direction and the third direction are disposed in a two-to-two intersecting manner, in one example, the first direction is a length direction of the support 7, the second direction is a width direction of the support 7, the third direction is a height direction of the support 7, and the first direction, the second direction and the third direction are disposed in two-to-two perpendicular manner.

This application is integrated with electric core subassembly 1, busbar subassembly 2, collection board subassembly, insulating piece subassembly, dc-to-ac converter module 5 and battery management system 6 through support 7 to reduced the occupied volume of battery module in the battery case, when installing simultaneously, only need install electric core subassembly 1, busbar subassembly 2, collection board subassembly, insulating piece subassembly, dc-to-ac converter module 5 and battery management system 6 in support 7 departments, for carrying out the combination installation with the support of each part in the prior art, practiced thrift the installation step, thereby improved installation effectiveness.

In some alternative embodiments, the bracket 7 includes a first leg 76 and a second leg 77 that are detachably connected. The first branch portion 76 and the second branch portion 77 are detachably connected along the first direction, so that the inner cavity of the bracket 7 is conveniently opened, and the installation of the battery cell assembly 1 is facilitated, wherein the connection mode can be a mode of bolt connection, clamping connection or pin penetrating and the like, in one example, the first branch portion 76 and the second branch portion 77 are connected through bolts, four bolts are arranged and are arranged at intervals circumferentially around the first branch portion 76 and the second branch portion 77, and therefore the connection stability of the first branch portion 76 and the second branch portion 77 is improved.

Referring to fig. 2 and 3, fig. 3 shows a schematic structural diagram of a second branch provided in an embodiment of the present application. In some alternative embodiments, the battery cell assembly 1 includes a plurality of battery cells 11 disposed inside the bracket 7, the mounting groove includes a plurality of first mounting grooves 711 and a plurality of second mounting grooves 712, the plurality of first mounting grooves 711 are located on a side of the first branch 76 toward the second branch 77 along the first direction, and the first mounting grooves 711 are adapted to one end of the battery cells 11; the plurality of second mounting grooves 712 are located on one side of the second branch portion 77 facing the first branch portion 76 along the first direction, and the second mounting grooves 712 are adapted to the other end of the battery cell 11.

The electric core assembly 1 comprises a plurality of electric cores 11, the electric cores 11 are arranged in parallel at intervals, the length direction of the electric cores 11 extends along the first direction, the electric cores 11 are located in the inner cavity of the support 7, one ends of the electric cores 11 are connected with the first branch parts 76, and the other ends of the electric cores 11 are connected with the second branch parts 77.

The mounting groove includes a first mounting groove 711, the first mounting groove 711 is disposed on an inner wall of the first supporting portion 76, and the first mounting groove 711 is provided with a plurality of ends for respectively mounting a plurality of electric cores 11. When the battery cell 11 is mounted, one end of the battery cell 11 is inserted into the first mounting groove 711, thereby fixing the battery cell 11.

The mounting groove includes a second mounting groove body 712, the second mounting groove body 712 is disposed on the inner wall of the second supporting portion 77, and the second mounting groove body 712 may also be provided with a plurality of other ends for respectively mounting a plurality of electric cores 11. When the battery cell 11 is mounted, the other end of the battery cell 11 is inserted into the second mounting groove 712, thereby fixing the battery cell 11.

When the mounting groove comprises the first mounting groove 711 and the second mounting groove body 712, the two ends of the plurality of battery cells 11 are respectively fixed, so that the stability of connection between the battery cell assembly 1 and the bracket 7 is improved.

Referring to fig. 2 to 7, fig. 4 is a schematic structural view illustrating a partial battery module and a bracket according to an embodiment of the present application; fig. 5 shows a schematic structural diagram of a bracket provided in an embodiment of the present application; fig. 6 shows a second schematic structural view of a partial battery module and a bracket according to an embodiment of the present disclosure; fig. 7 shows a second schematic structural diagram of the bracket according to the embodiment of the present application.

In some alternative embodiments, the busbar assembly 2 includes a first busbar 21, a second busbar 22, and a third busbar 23, the first busbar 21 being located at one end of the cell assembly 1 and electrically connected to the cell assembly 1, and the second busbar 22 being located at the other end of the cell assembly 1 and electrically connected to the cell assembly 1. The battery cells 11 of the battery cell assembly 1 are provided in plurality, one first bus bar 21 electrically connects the two battery cells 11, and one second bus bar 22 connects the two battery cells 11, so the first bus bar 21 and the second bus bar 22 are also provided in plurality. In one example, the battery cells 11 are provided with eight, and the first bus bar 21 and the second bus bar 22 are provided with four, respectively.

The collection board subassembly includes first collection board 31 and second collection board 32, and first collection board 31 is located the one side that first busbar 21 deviates from electric core 11, and first collection board 31 is connected with a plurality of first busbar 21 electricity through bumping the piece, and second collection board 32 is located the one side that second busbar 22 deviates from electric core 11, and second collection board 32 is connected with a plurality of second busbar 22 electricity through bumping the piece.

The third bus bar 23 extends along the first direction and is disposed parallel to the battery cell 11, one end of the third bus bar 23 is electrically connected to the first collecting plate 31 and the battery management system 6, and the other end of the third bus bar 23 is electrically connected to the second collecting plate 32.

The positioning grooves include a first positioning groove 721, a second positioning groove 722, and a third positioning groove 7231, the first positioning groove 721 is located on an end surface of the first branch portion 76 facing away from the second branch portion 77 along the first direction, the first positioning groove 721 is communicated with the first mounting groove 711, and the first positioning groove 721 is used for mounting the first busbar 21. The second positioning groove 722 is located on the end surface of the second branch part 77, which faces away from the first branch part 76, along the first direction, the second positioning groove 722 is communicated with the second mounting groove 712, and the second positioning groove 722 is used for mounting the second busbar. The bracket 7 is provided with a positioning block 723 along the second direction on the outer wall of the first branch portion 76 and/or the second branch portion 77, one end of the positioning block 723 is connected with the side wall of the first branch portion 76 and/or the second branch portion 77, the other end of the positioning block 723 is bent and a third positioning groove 7231 is formed at a distance from the outer side wall of the first branch portion 76 and/or the second branch portion 77, and the third positioning groove 7231 is used for installing the third busbar 23.

The positioning groove comprises a first positioning groove 721, the first positioning groove 721 is positioned on the outer wall of the first supporting part 76 and at one end of the plurality of battery cells 11, the first positioning groove 721 is communicated with the inner cavity of the bracket 7, and when the first supporting part 76 is provided with a first mounting groove 711, the first positioning groove 721 is communicated with the first mounting groove 711.

In the mounting, the first bus bar 21 is mounted in the first positioning groove 721, and the first bus bar 21 is electrically connected to one ends of the plurality of battery cells 11, wherein the plurality of first bus bars 21 are provided, and the plurality of first positioning grooves 721 are also provided.

The positioning groove comprises a second positioning groove 722, the second positioning groove 722 is positioned on the outer wall of the second supporting part 77 and at one ends of the plurality of battery cells 11, the second positioning groove 722 is communicated with the inner cavity of the bracket 7, and when the second supporting part 77 is provided with the second mounting groove body 712, the second positioning groove 722 is communicated with the second mounting groove body 712.

In the mounting process, the second bus bar 22 is mounted in the second positioning groove 722, and the second bus bar 22 is electrically connected with the other ends of the plurality of battery cells 11, wherein a plurality of second bus bars 22 are provided, and a plurality of second positioning grooves 722 are also provided.

The bracket 7 is provided with the positioning blocks 723 on the outer walls of the first and/or second branch portions 76 and 77 in the second direction, and the positioning blocks 723 may be provided with one or more, and may be located on the side walls of the first and second branch portions 76 and 77 when the positioning blocks 723 are provided with one, and may be located on the side walls of the first and second branch portions 76 and 77, respectively, when the positioning blocks 723 are provided with a plurality. The positioning block 723 is bent, one end of the positioning block 723, which is bent, is connected to the first branch 76 and/or the second branch 77, the other end of the positioning block 723 is spaced from the first branch 76 and/or the second branch 77, a third mounting groove 7231 for mounting the third bus bar 23 is formed, and the third bus bar 23 is located in the third mounting groove 7231.

In some alternative embodiments, the first collecting plate 31 is provided with a first communication hole, the second collecting plate 32 is provided with a first communication hole, the clamping structure further comprises a first connection block 731 and a second connection block 732, the first connection block 731 is disposed on an end surface of the first branch 76 facing away from the second branch 77 along the first direction, and the first connection block 731 is provided with a first mounting hole corresponding to the first communication hole; the second connection block 732 is provided on an end surface of the second branch portion 77 facing away from the first branch portion 76 in the first direction, and the second connection block 732 is provided with a second mounting hole corresponding to the second communication hole.

The first connection piece 731 is connected with the first support portion 76 in a manner of clamping, bonding or integrally forming, and the first connection piece 731 is located at one end of the electric core 11 and protrudes out of the first support portion 76, so that the first collecting plate 31 can be mounted on one surface of the first busbar 21, which is away from the electric core 11.

The second connection block 732 is connected with the second branch portion 77, and may be connected by a fastening, bonding or integrally formed manner, where the second connection block 732 is located at the other end of the battery cell 11 and protrudes out of the second branch portion 77, that is, the second collection board 32 may be installed on the surface of the second busbar 22 facing away from the battery cell 11.

In the mounting, the first bus bar 21 is mounted in the first positioning groove 721, and the second bus bar 22 is mounted in the second positioning groove 722. The first collecting plate 31 is placed on one surface of the first busbar 21, which is far away from the battery cell 11, the first communication hole of the first collecting plate 31 is aligned with the first mounting hole of the first connecting block 731, and the first collecting plate 31 and the first connecting block 731 are connected and fixed by fixing pieces such as bolts. The second collecting plate 32 is placed on one surface of the second busbar 22, which is away from the battery cell 11, the first communication hole of the second collecting plate 32 is aligned with the second mounting hole of the second connecting block 732, and the second collecting plate 32 is connected and fixed with the second connecting block 732 by a fixing member such as a bolt.

The first connection block 731 and the second connection block 732 may be provided in plurality, and the first communication hole are provided in plurality, so that the stability of the connection between the first collecting plate 31 and the first branch 76 is improved, and the stability of the connection between the second collecting plate 32 and the second branch 77 is improved.

In some alternative embodiments, the first collecting plate 31 is provided with a first positioning hole 311, the second collecting plate 32 is provided with a second positioning hole 321, the clamping structure comprises a first positioning post 733 and a second positioning post 734, the first positioning post 733 is arranged on the end surface of the first support 76 facing away from the second support 77 along the first direction, the first positioning post 733 is connected with the first connecting block 731, and the first positioning post 733 is used for extending into the first positioning hole 311; the second positioning post 734 is disposed on an end surface of the second support portion 77 facing away from the first support portion 76 along the first direction, the second positioning post 734 is connected with the second connection block 732, and the second positioning post 734 is configured to extend into the second positioning hole 321.

The first positioning post 733 is connected to the first connecting block 731 in an integrally formed manner, so that the processing is facilitated, and the second positioning post 734 is connected to the second connecting block 732 in an integrally formed manner.

The first positioning hole 311 and the second positioning hole 321 may be square holes or circular holes, the shapes of the first positioning hole 311 and the second positioning hole 321 are not limited in this application, the first positioning post 733 is adapted to the first positioning hole 311, and the second positioning post 734 is adapted to the second positioning hole 321. When in installation, the first positioning post 733 can be inserted into the first positioning hole 311, the second positioning post 734 can be inserted into the second positioning hole 321 to position the first collecting plate 31 and the second collecting plate 32, and then the first collecting plate 31 is connected with the first connecting block 731 to connect the second collecting plate 32 with the second connecting block 732.

The setting of first reference column 733 and second reference column 734 is convenient for the installation of first collection board 31 and second collection board 32, and first locating hole 311 and first reference column 733 are provided with a plurality ofly for improve the accuracy that first collection board 31 was fixed a position, second locating hole 321 and second reference column 734 are provided with a plurality ofly, are used for improving the accuracy that second collection board 32 was fixed a position.

In some optional embodiments, the clamping structure further includes a first abutment block 735 and a second abutment block 736, the first abutment block 735 being disposed on an end surface of the first branch 76 facing away from the second branch 77 along the first direction, the first abutment block 735 being configured to abut against the first collecting plate 31; the second abutting block 736 is disposed on an end surface of the second supporting portion 77 facing away from the first supporting portion 76, and the second abutting block 736 is used for abutting against the second collecting plate 32.

The first abutment block 735 is connected with the first support portion 76 and protrudes out of the first support portion 76, and can adopt connection modes such as integral forming and bonding, when the first collecting plate 31 is connected with the first connection block 731, the first abutment block 735 abuts against the first collecting plate 31, so that supporting force is provided for the first collecting plate 31, and deformation of the first collecting plate 31 during installation is avoided.

The second abutting block 736 is connected with the second supporting portion 77 and protrudes out of the second supporting portion 77, and can adopt connection modes such as integral forming and bonding, when the second collecting plate 32 is connected with the second connecting block 732, the second abutting block 736 abuts against the second collecting plate 32, so that supporting force is provided for the second collecting plate 32, and deformation of the second collecting plate 32 during installation is avoided.

The first abutting blocks 735 are provided with a plurality of first supporting portions 76 at intervals, so that the supporting effect on the first collecting plate 31 is improved; the second abutting blocks 736 are provided in plurality and are arranged at intervals on the second supporting portion 77, so that the supporting effect on the second collecting plate 32 is improved.

Referring to fig. 1-7, in some alternative embodiments, the insulating sheet assembly includes a first insulating sheet 41 and a second insulating sheet 42, the frame structure includes a first frame 741 and a second frame 742, the first frame 741 is connected to an end of the first branch 76 facing away from the second branch 77 along a first direction, the stopper includes a first stopper 7411, the first stopper 7411 is disposed on an inner wall of the first frame 741 along a second direction, and the first stopper 7411 is used for limiting the first insulating sheet 41; the second frame 742 is connected with an end portion of the second branch portion 77 away from the first branch portion 76 along the first direction, the limiting block includes a second limiting block 7421, the second limiting block 7421 is disposed on an inner wall of the second frame 742 along the second direction, and the first limiting block 7411 is used for limiting the first insulating sheet 41.

The first frame 741 and the first supporting portion 76 are integrally formed, and the first frame 741 covers the first positioning groove 721, the first connecting block 731, the first positioning post 733 and the first abutting block 735, i.e. the first frame 741 covers the first bus bar 21 and the first collecting plate 31.

The one end that first frame 741 kept away from first branch 76 is provided with first stopper 7411 along second direction integrated into one piece, first stopper 7411 is located the inner wall of first frame 741, first stopper 7411 is provided with a plurality of and sets up in the avris and the bottom of first frame 741 respectively, first stopper 7411 and first frame 741 integrated into one piece setting, during the installation, insert first insulating sheet 41 from the top of first frame 741 for first insulating sheet 41 is located the one side that first collection board 31 kept away from first busbar 21, and first insulating sheet 41 is the PC material, and first insulating sheet 41 protects first collection board 31 promptly, and first stopper 7411 restricts first insulating sheet 41 and first branch 76 break away from, thereby fix first insulating sheet 41 and first branch 76.

The second frame 742 and the second supporting portion 77 are integrally formed, and the second frame 742 encloses the second positioning slot 722, the second connecting block 732, the second positioning post 734 and the second abutting block 736, i.e. the second frame 742 encloses the second busbar 22 and the second collecting plate 32.

The second frame 742 is kept away from the one end of second branch 77 along second direction integrated into one piece and is provided with second stopper 7421, second stopper 7421 is located the inner wall of second frame 742, second stopper 7421 is provided with a plurality of and sets up in the avris and the bottom of second frame 742 respectively, second stopper 7421 and the setting of second frame 742 integrated into one piece, during the installation, insert second insulating piece 42 from the top of second frame 742 for second insulating piece 42 is located the one side that second collection board 32 kept away from second busbar 22, and second insulating piece 42 is the PC material, and second insulating piece 42 protects second collection board 32 promptly, and second stopper 7421 restricts second insulating piece 42 and second branch 77 break away from, thereby fix second insulating piece 42 and second branch 77.

Referring to fig. 2-7, in some alternative embodiments, the support structure 75 includes a first support block 751 and a second support block 752, the first support block 751 being convexly disposed along a third direction at the first leg 76, the step including a first step 751, the first step 751 being disposed along the third direction at the first support block 751; the second support block 752 is convexly disposed on the second support portion 77 along the third direction, the step portion includes a second step portion 7521, and the second step portion 7521 is disposed on the second support block 752 along the third direction; the inverter module 5 is located at the first step 7511 and the second step 7511, the battery management system 6 is located at an end of the first support block 751 remote from the first leg 76, and the battery management system 6 is located at an end of the second support block 752 remote from the second leg 77.

The first support blocks 751 are provided in plurality and spaced above the first branch portions 76, and the second support blocks 752 are provided in plurality and spaced above the second branch portions 77. The first support block 751 and the first support 76 may be connected by bonding, integral molding, or the like, and the second support block 752 and the second support 77 may be connected by bonding, integral molding, or the like.

The first support block 751 is provided with a first step portion 7511 and the second support block 752 is provided with a second step portion 7511, the arrangement of the first step portion 7511 and the second step portion 7511 facilitates the installation of the inverter module 5, and in order to improve the positioning effect of the inverter module 5, through holes may be further provided at the inverter module 5 to facilitate the passage of the first support block 751 and/or the second support block 752.

The battery management system 6 is located at an end of the first support block 751 remote from the first leg 76, and the battery management system 6 is located at an end of the second support block 752 remote from the second leg 77, i.e., the battery management system 6 is located above the first support block 751 and the second support block 752, and the first support block 751 and the second support block 752 support the battery management system 6, thereby mounting the battery management system 6.

The arrangement of the first support blocks 751 and the second support blocks 752 not only connects the inverter module 5 and the battery management system 6, but also defines the distance of the inverter module 5 and the battery management system 6 in the vertical plane by the first step portion 7511 and the second step portion 7511.

In some alternative embodiments, the support structure 75 includes a mount 753, the mount 753 being disposed on the second leg 76 along the third direction, the mount 753 including two clamping blocks, the two clamping blocks 753 for clamping the cooling fan of the battery management system 6.

The mounting seat 753 and the second supporting portion 77 may be connected by bonding, integrally forming, or the like, and the mounting seat 753 includes two clamping blocks, and the two clamping blocks clamp and fix the cooling fan, thereby installing the cooling fan.

Referring to fig. 1-8, fig. 8 shows a schematic structural diagram of a housing provided in an embodiment of the present application. The application still includes the battery package, and the battery package includes battery module and the support 7 of battery module of any one of the above-mentioned, and the battery includes still that casing 8, during the installation, assembles battery module and support 7 earlier, then puts into in the casing 8.

When in installation, the battery cell component 1 is installed in an installation groove in the bracket 7; mounting the busbar assembly 2 in a positioning groove outside the bracket 7; connecting the acquisition board assembly with a clamping structure outside the bracket 7; the insulating sheet component is arranged at the frame structure outside the bracket 7 and is subjected to limit installation through a limit block; the inverter module 5 is mounted at an end of the support structure 75 remote from the bracket 7, and the battery management system 6 is mounted at the step.

The support 7 integrates the battery cell assembly 1, the busbar assembly 2, the collecting plate assembly, the insulating sheet assembly, the inverter module 5 and the battery management system 6, so that the occupied volume of the battery module in the battery shell 8 is reduced, and when the battery module is installed, the battery cell assembly 1, the busbar assembly 2, the collecting plate assembly, the insulating sheet assembly, the inverter module 5 and the battery management system 6 are only required to be installed at the support 7, and compared with the existing support for installing all parts, the installation steps are saved, so that the installation efficiency is improved.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The bracket of the battery module comprises a battery core component, a busbar component, a collecting plate component, an insulating sheet component, an inverter module and a battery management system, and is characterized in that,

the inside of the bracket is provided with a mounting groove which extends along a first direction and is adapted to the battery cell component;

the outer side wall of the bracket is provided with a positioning groove which is adapted to the busbar assembly along a first direction;

two opposite ends of the bracket along the first direction are provided with clamping structures for connecting with the acquisition board assembly;

frame structures are arranged at two opposite ends of the support in a protruding mode along a first direction, limiting blocks are arranged on the frame structures along a second direction, and the limiting blocks limit the insulating sheet assembly to prevent the insulating sheet assembly from being separated from the frame structures;

the battery management system comprises a support, a battery management system, an inverter module, a battery management system and a step part, wherein the support is arranged on one end face of the support along a third direction, the step part is arranged on the support in a protruding mode, the inverter module is arranged at one end, far away from the support, of the support, and the battery management system is arranged at the step part;

the first direction, the second direction and the third direction are intersected in pairs.

2. The bracket of a battery module according to claim 1, wherein the bracket includes a first leg portion and a second leg portion detachably connected; the battery cell assembly includes a plurality of battery cells, a plurality of the battery cells set up in the inside of support, the mounting groove includes:

the first mounting grooves are positioned on one side of the first branch part towards the second branch part along the first direction, and the first mounting grooves are adapted to one end of the battery cell;

the plurality of second mounting grooves are located on one side, facing the first branch portion, of the second branch portion along the first direction, and the second mounting grooves are adapted to the other end of the battery cell.

3. The rack of battery modules of claim 2, wherein the busbar assembly includes a first busbar, a second busbar, and a third busbar extending along the first direction, and one end of the third busbar is oriented toward the first busbar and the other end is oriented toward the second busbar, the positioning slot including:

the first positioning groove is positioned on the end face, away from the second branch part, of the first branch part along the first direction, and is communicated with the first mounting groove and used for mounting the first busbar;

The second positioning groove is positioned on the end face, away from the first branch part, of the second branch part along the first direction, and is communicated with the second mounting groove and used for mounting the second busbar; and

the third positioning groove is formed in the outer wall of the first branch part and/or the outer wall of the second branch part along the second direction, one end of the positioning block is connected with the side wall of the first branch part and/or the side wall of the second branch part, the other end of the positioning block is bent, a third positioning groove is formed in the other end of the positioning block at intervals with the outer side wall of the first branch part and/or the outer side wall of the second branch part, and the third positioning groove is used for installing the third busbar.

4. The bracket of a battery module according to claim 2, wherein the collecting plate assembly includes a first collecting plate provided with a first communication hole and a second collecting plate provided with a second communication hole, the clamping structure includes:

the first connecting block is arranged on the end face of the first supporting part, which is away from the second supporting part, along the first direction, and is provided with a first mounting hole corresponding to the first communication hole; and

The second connecting block is arranged on the end face, deviating from the first branch part, of the second branch part along the first direction, and a second mounting hole corresponding to the second communication hole is formed in the second connecting block.

5. The bracket of a battery module according to claim 4, wherein the first collecting plate is provided with a first positioning hole, the second collecting plate is provided with a second positioning hole, and the clamping structure further comprises:

the first positioning column is arranged on the end face, deviating from the second support part, of the first support part along the first direction, is connected with the first connecting block and is used for extending into the first positioning hole; and

the second locating column is arranged on the end face, deviating from the first support portion, of the second support portion along the first direction, the second locating column is connected with the second connecting block, and the second locating column is used for extending into the second locating hole.

6. The bracket of a battery module according to claim 5, wherein the snap structure further comprises:

the first abutting block is arranged on the end face of the first branch part, which is away from the second branch part, along the first direction and is used for abutting against the first acquisition plate; and

The second abutting block is arranged on the end face, deviating from the first supporting portion, of the second supporting portion along the first direction, and the first abutting block is used for abutting against the second collecting plate.

7. The bracket of a battery module according to claim 2, wherein the insulating sheet assembly includes a first insulating sheet and a second insulating sheet, and the frame structure includes:

the first frame is connected with the end part, deviating from the second support part, of the first support part along the first direction, the limiting block comprises a first limiting block, the first limiting block is arranged on the inner wall of the first frame along the second direction, and the first limiting block is used for limiting the first insulating sheet; and

the second frame is along the first direction with the second branch deviates from the end connection of first branch, the stopper includes the second stopper, the second stopper along the second direction set up in the inner wall of second frame, the second stopper is used for right the second insulating piece is spacing.

8. The bracket of a battery module according to claim 2, wherein the support structure comprises:

the first supporting block is arranged on the first supporting part in a protruding mode along the third direction, the step part comprises a first step part, and the first step part is arranged on the first supporting block along the third direction; and

The second supporting block is arranged on the second supporting part in a protruding mode along the third direction, the step part comprises a second step part, and the second step part is arranged on the second supporting block along the third direction;

the inverter module is located at the first step portion and the second step portion, a portion of the battery management system is located at one end of the first support block away from the first branch portion, and another portion of the battery management system is located at one end of the second support block away from the second branch portion.

9. The bracket of the battery module according to claim 8, wherein the support structure includes a mount provided to the second leg portion in the third direction _， The mounting seat comprises two clamping blocks, and the two clamping blocks are used for clamping the cooling fan of the battery management system.

10. A battery pack, comprising a battery module and the bracket of the battery module according to any one of claims 1 to 9, wherein the battery module comprises a cell assembly, a busbar assembly, a collection plate assembly, an insulating sheet assembly, an inverter module and a battery management system.