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An electric vehicle annular forced air-cooled heat dissipation parallel battery module and its application

A battery module and forced air cooling technology, which is applied to electric vehicles, battery pack components, batteries, etc., can solve the problems of low edge temperature and high temperature of battery modules, achieve effective heat dissipation, ensure normal operation, and have obvious effects Effect

Active Publication Date: 2018-05-29
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing parallel combination of battery cells is mainly a square arrangement combination, which makes the temperature in the middle of the battery module high and the edge temperature low

Method used

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  • An electric vehicle annular forced air-cooled heat dissipation parallel battery module and its application
  • An electric vehicle annular forced air-cooled heat dissipation parallel battery module and its application
  • An electric vehicle annular forced air-cooled heat dissipation parallel battery module and its application

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as Figure 1 to Figure 9 As shown, this embodiment provides an electric vehicle circular forced air-cooled heat dissipation parallel battery module, the battery module includes a battery module box 2, a battery module box cover 1 and a battery module core 3, the battery module box The body 2 is provided with a No. 1 air duct wall 202 and a No. 2 air duct wall 203. A number of ventilation holes are provided on the No. 1 air duct wall 202 and No. 2 air duct wall 203. The battery module core 3 is placed on the No. 1 air duct wall. Between the channel wall 202 and the No. 2 air channel wall 203, the space between the No. 1 air channel wall 202 and the inner wall of the battery module box casing 201 is the No. 1 air channel, and the space inside the No. 2 air channel wall 203 is two. No. 1 air duct, the top of No. 2 air duct is connected to the battery module box cover 1, and the bottom end is provided with a cooling fan 4. The battery module box cover 1 is used to fix ...

Embodiment 2

[0042] An electric vehicle annular forced air-cooled heat dissipation parallel battery module, the structure is as described in Example 1, the difference is that the angle between the rounded frustum-shaped bus bar and the vertical direction is 3°, that is, the battery module box The inner wall of 2 is an inclined surface, which has an inclined angle of 3° with the No. 1 air duct wall.

Embodiment 3

[0044]An electric vehicle annular forced air-cooled heat dissipation parallel battery module, the structure is as described in Example 1, the difference is that the angle between the rounded frustum-shaped bus bar and the vertical direction is 8°, that is, the battery module box The inner wall of 2 is an inclined surface, which has an angle of inclination of 8° with the No. 1 air duct wall.

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Abstract

The invention relates to an electric vehicle circular forced air-cooled heat dissipation parallel battery module and its application, including a battery module box body, a battery module box cover and a battery module core. and No. 2 air duct wall, No. 1 air duct wall and No. 2 air duct wall are provided with ventilation holes, the battery module core is placed between No. 1 air duct wall and No. The No. 1 air duct is between the inner wall of the battery module box and the No. 2 air duct on the inner side of the No. 2 air duct wall. There are multiple standard batteries on the assembly core. The invention changes the traditional layout of the battery module, adopts a new layout for installation, improves the effect of forced air cooling, and ensures that each single standard battery cell has the same heat dissipation effect, which not only achieves the purpose of effective heat dissipation, but also avoids the battery module The problem of unbalanced heat dissipation effectively ensures the normal operation of the battery module.

Description

technical field [0001] The invention relates to an electric vehicle annular forced air cooling and heat dissipation parallel battery module and an application thereof, belonging to the technical field of electric vehicle power battery heat management. Background technique [0002] At present, new energy vehicles are developing rapidly, especially the development of pure electric vehicles is changing with each passing day. As the core component of pure electric vehicles, power batteries have become a major obstacle to the development of pure electric vehicles due to their slow development. The heat dissipation of power batteries is one of the main problems in the development of power batteries. [0003] In practical applications, air cooling is the main heat dissipation method for power batteries. With the continuous improvement of the performance of pure electric vehicles, the air-cooled heat dissipation method of power batteries has changed from natural air cooling to for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/10H01M10/613H01M10/617H01M10/625H01M10/6556H01M10/6557H01M10/6563B60L11/18H01M50/204
CPCH01M10/613H01M10/617H01M10/625H01M10/6556H01M10/6557H01M10/6563B60L58/26H01M2220/20H01M50/20Y02T10/70Y02E60/10
Inventor 张鑫王通胡延清李旭曾庆良芦艳洁王志文尹广俊邱志伟赵森庆
Owner SHANDONG UNIV OF SCI & TECH
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