CN218569062U

CN218569062U - Battery module

Info

Publication number: CN218569062U
Application number: CN202222711699.5U
Authority: CN
Inventors: 张强; 廖勇; 吴铭立; 赵欣
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-03-03
Anticipated expiration: 2032-10-14

Abstract

The utility model belongs to the technical field of the battery, specifically disclose a battery module, including the integrated support of electric core group and CCS, the integrated support of CCS includes first support and second support, the electric core group is fixed in the installation space that forms between first support and the second support, and the integration is equipped with first CCS subassembly on the first support, the integration is equipped with second CCS subassembly on the second support, first CCS subassembly is connected with the positive pole of electric core, the second CCS subassembly is connected with the negative pole of electric core, the integrated support of CCS has improved the utilization ratio in space effectively, can reduce the whole height of battery module when in groups, be favorable to promoting the energy density of battery module, and simple structure, easy dismounting, assembly efficiency is higher.

Description

Battery module

Technical Field

The utility model relates to a battery technology field especially relates to a battery module.

Background

Battery module among the prior art passes through the support to be fixed with a plurality of electric cores, then establishes ties or parallelly connected with a plurality of electric cores through aluminium row and pencil, and its aluminium row, pencil and support separately install, weld, and the material quantity is great, and the process is more, and assembly efficiency is lower, and space utilization is low, and welded joint is more, and is not pleasing to the eye.

Therefore, a battery module is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery module, its CCS integrated support can be under the condition of fixed electric core, and each electric core is connected in the electricity conduction, can reduce the whole height of battery module when in groups, has improved the utilization ratio in space effectively, simple structure, easy dismounting walks the line neatly.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a battery module, include:

the battery core group comprises a plurality of battery cells;

the CCS integrated support comprises a first support and a second support, an installation space is formed between the first support and the second support, the cell group is arranged in the installation space, a first CCS assembly is arranged on the first support in an integrated mode, the first CCS assembly is connected with the positive pole of the cell, a second CCS assembly is arranged on the second support, and the second CCS assembly is connected with the negative pole of the cell.

Optionally, the first bracket and the second bracket are detachably and fixedly connected.

Optionally, a first connecting column is arranged on the first support, a second connecting column is arranged on the second support, and the first connecting column is connected with the second connecting column.

Optionally, a first fixing hole is formed in the first connecting column along the axial direction of the first connecting column, a second fixing hole is formed in the second connecting column along the axial direction of the second connecting column, and the first fixing hole and the second fixing hole are coaxially arranged.

Optionally, the first connecting column is connected with the second connecting column in a clamping manner.

Optionally, the CCS integrated bracket includes a fixing member, and the first connection column and the second connection column are detachably connected through the fixing member.

Optionally, the first CCS assembly includes a plurality of positive electrode connection banks, and each positive electrode connection bank is connected to a positive electrode of the battery cell;

the second CCS assembly comprises a plurality of negative connecting bars, and the negative connecting bars are connected with the negative electrodes of the battery cells.

Optionally, the first CCS assembly includes an FPC, and the plurality of positive electrode connecting bars are connected to the FPC, and one side of the FPC is provided with an output interface.

Optionally, the first CCS assembly further includes a nickel plate, and two ends of the nickel plate are respectively connected to the FPC and the positive connection bar.

Optionally, the battery module still includes first end plate, second end plate and fixed subassembly, the electric core group with the integrated support of CCS all is provided with at least two, the electric core group with the integrated support one-to-one of CCS sets up, fixed subassembly will first end plate the electric core group the integrated support of CCS with the second end plate is fixed in groups.

Optionally, the fixing component comprises a long screw and a nut, and one end of the long screw sequentially penetrates through the first end plate, the CCS integrated bracket and the second end plate and is detachably connected with the nut.

The utility model has the advantages that:

the utility model provides a battery module, this battery module include the integrated support of electric core group and CCS, and the integrated support of CCS includes first support and second support, and the electric core group is fixed in the installation space between first support and second support, and the electric core group includes a plurality of electric cores, is equipped with the installation position that a plurality of arrays were arranged on the second support, and every electric core corresponds the setting in an installation position, and first support setting is in second support top, and can dismantle with the second support and be connected to fix electric core, this kind of battery module's simple structure, easy dismounting, assembly efficiency is higher.

Further, be equipped with first CCS subassembly on the first support, the positive pole and the first CCS subassembly electrically conductive connection of electric core, be equipped with second CCS subassembly on the second support, the negative pole and the electrically conductive connection of second CCS subassembly of electric core, through with first support and the integrated setting of first CCS subassembly, the second support sets up with the integration of second CCS subassembly, can improve the utilization ratio in space effectively, make the battery module can reduce the overall height of battery module when in groups, be favorable to promoting the energy density of battery module.

Drawings

Fig. 1 is a schematic structural diagram of a CCS integrated bracket provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a CCS integrated bracket and a cell pack provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a battery module provided in an embodiment of the present invention.

In the figure:

100. an electric core; 200. a first bracket; 210. a first connecting post; 2101. a first fixing hole; 220. a positive electrode connecting bar; 300. a second bracket; 310. an installation position; 320. a second connecting column; 400. FPC; 410. an output interface; 420. a nickel sheet; 430. connecting aluminum bars in series; 510. a first end plate; 520. a second end plate; 610. a long screw; 620. a nut; 700. a resin plate; 800. an insulating sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 and 2, the present embodiment provides a battery module including a cell group and a CCS-integrated bracket including a first bracket 200 and a second bracket 300, an installation space being formed between the first bracket 200 and the second bracket 300, and the cell group being fixed in the installation space. Specifically, the battery pack includes a plurality of electric cores 100, and the second support 300 is provided with a plurality of installation positions 310 arranged in an array, and the installation positions 310 are arranged in a one-to-one correspondence with the electric cores 100, and each electric core 100 is correspondingly arranged in one installation position 310, and the first support 200 is arranged above the second support 300 and detachably connected with the second support 300, so as to fix the electric core 100 between the first support 200 and the second support 300. Further, a first CCS assembly is arranged on the first support 200, the positive electrode of the battery cell 100 is electrically connected with the first CCS assembly, a second CCS assembly is arranged on the second support 300, and the negative electrode of the battery cell 100 is electrically connected with the second CCS assembly. This kind of battery module's simple structure, easy dismounting, assembly efficiency is higher, and the integration is equipped with first CCS subassembly on the first support 200 of CCS integrated support, and the integration is equipped with the second CCS subassembly on the second support 300, can improve the utilization ratio in space effectively for battery module can reduce its overall height when in groups, is favorable to promoting battery module's energy density.

The first bracket 200 and the second bracket 300 are fixedly connected in a detachable mode, so that the electric cores can be conveniently assembled and fixed. As an optional solution, in this embodiment, the first bracket 200 is provided with a first connecting column 210, the second bracket 300 is provided with a second connecting column 320, and the first connecting column 210 is connected with the second connecting column 320, so as to fix the first bracket 200 and the second bracket 300. First spliced pole 210 and second spliced pole 320 can guarantee the fixed strength between first support 200 and the second support 300, avoid electric core 100 between first support 200 and the second to take place to rock, avoid taking place to collide with between a plurality of electric cores 100, have guaranteed the security performance of battery module.

Further, with reference to fig. 1, a part of the first connection posts 210 is disposed between the plurality of mounting positions 310, and the side surface of the part of the first connection posts 210 can abut against the side wall of the battery cell 100, so as to perform a certain limiting function, correspondingly, the second connection posts 320 are disposed on the second bracket 300 at positions corresponding to the part of the first connection posts 210, and the first connection posts 210 and the second connection posts 320 are connected by clamping. For example, in some embodiments, a clamping groove may be formed on the first connecting post 210, and a clamping protrusion is formed on the second connecting post 320, when a pressure is applied to the first bracket 200 toward the second bracket 300, the clamping protrusion on the second connecting post 320 is clamped into the clamping groove on the first connecting post 210, so that the first bracket 200 and the second bracket 300 are fixed, and when the first bracket 200 needs to be detached, only a pulling force away from the second bracket 300 needs to be applied to the first bracket 200. Of course, in some embodiments, the clamping groove may be disposed on the second connecting post 320, and the clamping protrusion may be disposed on the first connecting post 210, which is not limited in this embodiment.

Of course, in some embodiments, the CCS integrated bracket further includes a fixing member, the first connecting column 210 and the second connecting column 320 are detachably connected by the fixing member, for example, the fixing member may be a screw, the first connecting column 210 is provided with a through hole, the second connecting column 320 is provided with a threaded hole, and the screw passes through the through hole and then is in threaded connection with the threaded hole of the second connecting column 320, so as to complete the fixing of the first bracket 200 and the second bracket 300. Of course, a through hole may be formed in the second connecting column 320, a threaded hole is formed in the first connecting column 210, and a screw passes through the through hole and then is in threaded connection with the threaded hole in the first connecting column 210, so as to fix the first bracket 200 and the second bracket 300.

The other part of the first connecting columns 210 are arranged at the position close to the edge of the first support 200, the part of the first connecting columns 210 are provided with first fixing holes 2101 penetrating through the first connecting columns 210, the first fixing holes 2101 are arranged along the axial direction of the first connecting columns 210 and are coaxial with the first connecting columns 210, correspondingly, the position close to the edge of the second support 300 is also provided with second connecting columns 320, the arrangement positions of the second connecting columns 320 correspond to the position of the first connecting columns 210, the second connecting columns 320 are provided with second fixing holes along the axial direction, the second fixing holes penetrate through the second connecting columns 320, and the first fixing holes 2101 and the second fixing holes are coaxially arranged. The arrangement of the first fixing holes 2101 and the second fixing holes facilitates the overall assembly process of the battery modules in the final grouping process.

Further, the first CCS assembly in this embodiment includes a plurality of positive electrode connection rows 220, the positive electrode connection rows 220 are arranged in a shape like a straight line or a cross, the positive electrode connection rows 220 are all connected to the positive electrodes of the battery cells 100, similarly, the second CCS assembly includes a plurality of negative electrode connection rows (not shown in the figure), the negative electrode connection rows are also arranged in a shape like a straight line or a cross, the negative electrode connection rows are all connected to the negative electrodes of the battery cells 100, and the positive electrode connection rows 220 and the negative electrode connection rows can realize series connection or parallel connection between the plurality of battery cells 100.

The first CCS assembly further comprises an FPC400, the FPC400 is arranged in a long strip shape, the plurality of positive electrode connecting rows 220 are connected with the FPC400, an output interface 410 is arranged on one side of the FPC400, and the output interface 410 can be connected with a Battery Management System (BMS). Exemplarily, the first CCS assembly further includes a nickel sheet 420, two ends of the nickel sheet 420 are respectively connected to the FPC400 and the positive electrode connection row 220, and the plurality of positive electrode connection rows 220 are electrically connected to the FPC400 through the nickel sheet 420.

Of course, the second CCS assembly may also be provided with an FPC400, the plurality of negative connection bars are all connected to the FPC400, one side of the FPC400 is provided with an output interface 410, and the output interface 410 may be connected to a Battery Management System (BMS). Illustratively, the second CCS assembly also includes a nickel plate 420, two ends of the nickel plate 420 are respectively connected to the FPC400 and the negative connection bar, and the plurality of negative connection bars are electrically connected to the FPC400 through the nickel plate 420.

The present embodiment further provides a battery module, as shown in fig. 3, the battery module includes a first end plate 510, a second end plate 520 and a fixing component, at least two of the battery pack and the CCS integrated bracket are provided, the electric core group and the CCS integrated bracket are provided in one-to-one correspondence, the electric core group and the CCS integrated bracket are clamped between the first end plate 510 and the second end plate 520, and the fixing component fixes the first end plate 510, the second end plate 520, the electric core group and the CCS integrated bracket into a group.

Here, two CCS integrated holders and two cell groups are taken as an example for explanation, wherein the first holders 200 of the two CCS integrated holders are disposed oppositely, i.e. the positive electrodes of the cells 100 of the two cell groups are disposed oppositely, and the first CCS assembly of one CCS integrated holder and the second CCS assembly of the other CCS integrated holder can be connected through the aluminum row 430 for series connection of the two cell groups.

The fixing component comprises a long screw 610 and a nut 620, one end of the long screw 610 sequentially penetrates through a first end plate 510, a first fixing hole 2101 and a second fixing hole of the two CCS integrated supports, and is detachably connected with the nut 620 after the second end plate 520, the cell group is installed in the CCS integrated supports, and therefore the fixing component fixes the first end plate 510, the two CCS integrated supports, the two cell group and the second end plate 520 into a group. The fixing mode has the advantages of compact structure, fewer accessory parts, lighter weight, simple installation and disassembly steps, easy assembly and higher production efficiency, and is beneficial to improving the energy density of the whole battery module.

In some embodiments, the first end plate 510 and the second end plate 520 may be made of a sheet metal material to ensure that the mechanical strength of the battery module is high, and resin plates 700 are disposed between the first end plate 510 and the CCS integrated bracket and between the second end plate 520 and the CCS integrated bracket, so that the resin plates 700 may realize electrical isolation between the CCS integrated bracket and the first end plate 510 or the second end plate 520, and avoid a short circuit. Further, an insulating sheet 800 is further disposed on one side of the battery module, and the insulating sheet 800 can also perform an electrical isolation function.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A battery module, comprising:

a battery pack including a plurality of battery cells (100);

the CCS integrated support comprises a first support (200) and a second support (300), an installation space is formed between the first support (200) and the second support (300), the cell group is arranged in the installation space, a first CCS assembly is integrally arranged on the first support (200), the first CCS assembly is connected with the positive electrode of the battery cell (100), a second CCS assembly is arranged on the second support (300), and the second CCS assembly is connected with the negative electrode of the battery cell (100).

2. The battery module according to claim 1, wherein the first bracket (200) is detachably and fixedly connected with the second bracket (300).

3. The battery module according to claim 2, wherein the first bracket (200) is provided with a first connecting column (210), the second bracket (300) is provided with a second connecting column (320), and the first connecting column (210) is connected with the second connecting column (320).

4. The battery module according to claim 3, wherein the first connecting post (210) is provided with a first fixing hole (2101) along an axial direction thereof, the second connecting post (320) is provided with a second fixing hole along an axial direction thereof, and the first fixing hole (2101) and the second fixing hole are coaxially arranged.

5. The battery module according to claim 3, wherein the first connecting column (210) is connected with the second connecting column (320) in a clamping manner.

6. The battery module according to claim 3, wherein the CCS integrated bracket comprises a fixing member, and the first connection post (210) and the second connection post (320) are detachably connected through the fixing member.

7. The battery module according to claim 1, wherein the first CCS assembly comprises a plurality of positive connection banks (220), each positive connection bank (220) being connected to a positive electrode of a cell (100);

the second CCS assembly includes a plurality of negative connection bars, and the negative connection bars are all connected with the negative electrode of the battery cell (100).

8. The battery module according to claim 7, wherein the first CCS assembly comprises an FPC (400), a plurality of the positive electrode connection banks (220) are all connected with the FPC (400), and one side of the FPC (400) is provided with an output interface (410).

9. The battery module according to claim 8, wherein the first CCS assembly further comprises a nickel plate (420), and both ends of the nickel plate (420) are connected with the FPC (400) and the positive electrode connecting bar (220), respectively.

10. The battery module according to any one of claims 1 to 9, further comprising a first end plate (510), a second end plate (520), and a fixing assembly, wherein at least two of the cell groups and the CCS integrated bracket are provided, the cell groups and the CCS integrated bracket are provided in one-to-one correspondence, and the fixing assembly fixes the first end plate (510), the cell groups, the CCS integrated bracket and the second end plate (520) in a group.

11. The battery module according to claim 10, wherein the fixing member comprises a long screw (610) and a nut (620), and one end of the long screw (610) is detachably connected to the nut (620) after passing through the first end plate (510), the CCS integrated bracket and the second end plate (520) in sequence.