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Battery pack and box body thereof

A technology for battery packs and battery cells, which is applied to battery pack parts, circuits, electrical components, etc. It can solve the problems of low installation efficiency of battery cells, achieve weight reduction, improve installation efficiency, and have a wide range of applications

Pending Publication Date: 2021-07-20
郑州深澜动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a battery pack case to solve the technical problem of low battery cell installation efficiency in the prior art; the present invention is also to provide a battery pack with high installation efficiency battery pack

Method used

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  • Battery pack and box body thereof
  • Battery pack and box body thereof
  • Battery pack and box body thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] like figure 1 , figure 2 , image 3 and Figure 4As shown, the battery pack includes a battery pack box body and a battery cell 4 installed in the battery pack box body, the battery pack box body includes a cover plate 3, a side wall 2 and a bottom plate 1, and the side wall 2 and the bottom plate 1 form an accommodating cavity 11, The accommodating chamber 11 is used for installing battery cells, battery management systems and other components. Among them, the bottom plate 1 is tailor-welded by friction stir welding of aluminum profiles; the side wall 2 is an extruded profile structure, and a specific mold is required for forming; the cover plate 3 is formed by stamping or composite material molding.

[0044] Specifically, combine figure 2 and image 3 It can be seen that the side wall 2 includes a side frame, which is a rectangular frame, including a lateral side wall 12 and a longitudinal side wall 13 , and the above-mentioned accommodating cavity 11 is enclos...

Embodiment 2

[0054] The difference between this embodiment and the above-mentioned Embodiment 1 is that in this embodiment, the length of the longitudinal connection plate only meets the installation requirements of a row of battery cells, and it can be applied to the size of the battery pack or the size of the battery cells. larger case.

Embodiment 3

[0056] The difference between this embodiment and the above-mentioned embodiment 1 is that in this embodiment, the longitudinal connecting plate is a solid structure, and the escape groove is formed by an open groove processed on the longitudinal connecting plate. At this time, although the weight of the longitudinal connecting plate is increased, the strength of the longitudinal connecting plate is correspondingly improved.

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PUM

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Abstract

The invention relates to a battery pack and a box body thereof. The battery pack box body comprises a battery mounting chamber, the battery mounting chamber comprises a side wall and a bottom wall, the battery mounting chamber is used for mounting a single battery, the side wall, corresponding to the larger surface of the single battery to be mounted, of the battery mounting chamber is an end wall, and an avoiding groove is formed in the end wall and used for avoiding a clamping jaw for clamping the single battery to be mounted. The battery pack comprises the battery pack box body and the single batteries. According to the battery pack disclosed by the invention, a large number of single batteries can be loaded at one time, so that the mounting efficiency of the single batteries is improved, and meanwhile, the mounting efficiency of the battery pack is also improved.

Description

technical field [0001] The invention relates to a battery pack and its casing. Background technique [0002] The battery pack usually includes a battery pack case body, and the battery pack case body has an accommodating cavity, and several battery modules are arranged in the accommodating cavity. A common battery module structure includes a set of cells (that is, battery cells), two module side plates, two module end plates and a box, and each cell is connected in series or in parallel. , the module end plate and the module side plate are welded or riveted to form a frame to surround the cell group. The module end plate is mainly used to resist the expansion force of the cell. The module side plate and the module end plate At the same time, each battery cell is positioned, and the battery module is fixed in the battery pack box through corresponding structural parts. [0003] Since each battery module is fixed on the battery pack box through the corresponding structural p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M50/209H01M50/244
CPCY02E60/10
Inventor 罗超陈育伟刘汉祥卢臣智王亚楠金鑫张弘韬
Owner 郑州深澜动力科技有限公司
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