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Integrated power battery heat conduction and temperature equalization system

A temperature equalizing system and power battery technology, applied in the direction of secondary batteries, circuits, electrical components, etc., can solve the problems of complex heat dissipation structure, poor heat dissipation and heat equalization effect, affecting the performance and life of power batteries, etc., to achieve heat conduction High coefficient, conducive to heat dissipation and heat uniformity, good heat dissipation and heat uniformity effect

Active Publication Date: 2020-01-07
浙江超恒动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention overcomes the complex heat dissipation structure of the electric vehicle power battery, poor heat dissipation and heat equalization effect, and affects the performance and life of the power battery, and provides an integrated power battery heat conduction and temperature equalization system. The thermal effect is good, and there is no potential safety hazard in the working process, which ensures the performance and life of the power battery

Method used

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  • Integrated power battery heat conduction and temperature equalization system
  • Integrated power battery heat conduction and temperature equalization system
  • Integrated power battery heat conduction and temperature equalization system

Examples

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Embodiment 1

[0021] Example 1: An integrated power battery heat conduction and temperature equalization system (see attached Figures 1 to 3), including a base 1 and a number of battery modules 2 installed on the base. The battery module includes a number of battery cells 3 arranged vertically. , the battery cell unit includes a battery cell 4, a bracket 5, and a superconducting heat transfer assembly 6, the superconducting heat transfer assembly is installed on the bracket and the front and rear sides are provided with heat transfer parts 7 protruding from the bracket, and the battery cell is installed on The surface on the right side of the bracket is attached to the superconducting heat transfer component, the left surface of the cell is attached to the superconducting heat transfer component of the adjacent cell unit on the left, and the front and rear sides of the battery module are installed with The superconducting heat transfer body 8, the heat transfer parts on the front and rear ...

Embodiment 2

[0023] Embodiment 2: An integrated power battery heat conduction and uniform temperature system, its structure is similar to that of Embodiment 1, the main difference is that in this embodiment, the superconducting heat transfer body is a long strip-shaped plate structure arranged vertically, and the superconducting heat The heat transfer body is provided with a plurality of heat dissipation holes arranged in parallel along the length direction, and the heat dissipation holes run through both ends of the superconducting heat transfer body. Other structures are the same as in Embodiment 1.

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Abstract

The invention discloses a lower battery heat dissipation and distribution system and aims to overcome the defect that the use performance and service life of power batteries are affected due to complex heat dissipation structures of the power batteries of electric vehicles and poor heat dissipation and distribution effects. The system comprises a base and a plurality of battery modules mounted on the base, wherein each battery module comprises multiple vertical cell units; each cell unit comprises a cell, a support and a super heat conducting and transfer assembly, the super heat conducting and transfer assembly is mounted on the corresponding support, heat transfer parts extending out of the support are arranged on front and back sides, the cell is mounted on the support, and the right side surface of the cell is attached to the super heat conducting and transfer assembly; super heat conducting and transfer bodies are mounted on front and back sides of each battery module, the heat transfer parts on front and back sides of each super heat conducting and transfer assembly are attached to the super heat conducting and transfer bodies on front and back sides of the corresponding battery module, one end of each super heat conducting and transfer body is bent to form an L-shaped structure, one end, close to L shapes of the super heat conducting and transfer bodies, of the base is connected with a super heat conducting and collecting bar, and a heat exchange source connected with the super heat conducting and collecting bar is arranged on the base.

Description

technical field [0001] The invention relates to a power battery, more specifically, it relates to an integrated power battery heat conduction and temperature equalization system. Background technique [0002] As one of the core components of electric vehicles, the performance of power batteries directly affects the performance and safety of electric vehicles. The power battery pack is generally composed of multiple single cells connected in series and parallel, and the structure of the battery system is relatively complicated. The power batteries used in electric vehicles are all chemical power sources, and a certain amount of heat will be released during charging and discharging. If the heat accumulates inside the battery pack and is not dissipated in time, it will lead to excessively high battery temperature and uneven temperature distribution. Chemical power sources generally have an optimal operating temperature range. When the temperature exceeds or falls below the op...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/613H01M10/617H01M10/625H01M10/653H01M10/6554
CPCH01M10/613H01M10/617H01M10/625H01M10/653H01M10/6554Y02E60/10
Inventor 柯克常林荣刘启凯马桔华章文俊
Owner 浙江超恒动力科技有限公司