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Cases for power batteries, power battery packs

A power battery and shell technology, applied in the field of shells and power battery packs, can solve the problems of increasing the energy density of battery packs, requiring high layout space, and many components, so as to achieve improved space utilization, strong overall stability, and The effect of high cooling efficiency

Active Publication Date: 2021-11-19
DONGFENG MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The electric vehicle power battery generally has a liquid cooling system to adjust the working temperature of the battery. The existing battery liquid cooling system on the market is usually arranged in the battery pack, such as figure 1 As shown, in the prior art, heat conduction plate 1', pipeline 2', and support structure 3' are mostly used. This structure has high requirements for layout space, many components, complex assembly, risk of pipeline leakage, and relatively high cost. High, which is not conducive to improving the energy density, safety and reducing parts and manufacturing costs of battery packs

Method used

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  • Cases for power batteries, power battery packs
  • Cases for power batteries, power battery packs
  • Cases for power batteries, power battery packs

Examples

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Embodiment Construction

[0063] A power battery pack that can be used as a power system of an electric vehicle. The power battery pack in this example is designed in a regular square structure. In other examples, it can be in other shapes such as hexagons, such as figure 2 , 3 As shown, from top to bottom are the power battery module 10, the heat insulation layer 20, the support frame 30, the heat conduction plate 40, and the guard plate 50, wherein the support frame 30, the heat conduction plate 40, and the guard plate 50 are assembled to form a housing. A power battery module 10 is supported by the housing, and the heat insulating layer 20 is connected to the lower surface of the power battery module 10 for improving the effect of heat transfer.

[0064] The power battery module 10 in this example can adopt the existing battery structure, and the present invention aims to improve the cooling system of the power battery module 10 , and the battery structure will not be repeated here.

[0065] Such ...

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Abstract

The invention provides a casing and a power battery pack for a power battery. The casing includes a support frame and a heat conduction plate. The support frame includes a plurality of side plates, and the heat conduction plate is installed on the support frame. Enclose and form a cavity for accommodating the power battery module with the heat conducting plate; The concave part cooperates to form a cooling liquid flow channel, wherein the upper heat conducting plate and / or the lower heat conducting plate are provided with a liquid inlet for allowing the cooling liquid to flow into the flow channel and a liquid outlet for allowing the cooling liquid to flow out of the flow channel. The invention adopts the liquid cooling plate to cool the battery modules, does not need to arrange pipelines for connection, and has the advantages of high integration degree and large space utilization rate.

Description

technical field [0001] The invention belongs to the technical field of power batteries, and in particular relates to a casing and a power battery pack for a power battery. Background technique [0002] The electric vehicle power battery generally has a liquid cooling system to adjust the working temperature of the battery. The existing battery liquid cooling system on the market is usually arranged in the battery pack, such as figure 1 As shown, in the prior art, heat conduction plate 1', pipeline 2', and support structure 3' are mostly used. This structure has high requirements for layout space, many components, complex assembly, risk of pipeline leakage, and relatively high cost. High, which is not conducive to improving the energy density and safety of the battery pack and reducing the cost of parts and manufacturing. [0003] As the cost control and lightweight design of automobile design become mainstream indicators, it is necessary to improve the integration of electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/613H01M10/617H01M10/625H01M10/6554H01M10/6556H01M10/6568H01M10/658H01M50/244H01M50/249
CPCH01M10/613H01M10/617H01M10/625H01M10/6554H01M10/6556H01M10/6568H01M10/658H01M50/20Y02E60/10
Inventor 杨鹏飞禹强陈尚云黄照昆
Owner DONGFENG MOTOR CO LTD
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