Battery assembly with constant operating temperature

A technology of working temperature and combination, applied in battery pack components, secondary batteries, and isolation of batteries from their environment, etc., can solve the problems of reliability and safety impact, weak cooling effect, and high ambient temperature requirements. Good cooling effect, strong cooling effect, significant cooling effect

Inactive Publication Date: 2018-10-16
陈金锐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used power battery system is lithium-ion battery, which has the advantages of high energy density, excellent power output characteristics and long life, but it has high requirements on the temperature of the surrounding environment, and it will be used if the temperature is too high or too low Reliability and security have a greater impact
In the prior art, there is a design for cooling the power battery, but the cooling effect is weak, and it is difficult to meet the existing use requirements

Method used

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  • Battery assembly with constant operating temperature
  • Battery assembly with constant operating temperature

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A battery assembly with a constant working temperature, including a battery box 1, a power battery 2 and a cooling device, the power battery 2 is located in the middle of the battery box 1, and a cooling device is provided on the battery box 1; the cooling device Comprising a water cooling system and an air cooling system, the air cooling system includes a ventilation fan 7 and a temperature controller 6, and the ventilation fan 7 is connected to a power supply through the temperature controller 6; the temperature controller 6 includes a metal casing 61, an input power supply Line 62, output power line 63, fixed beam 64, rotating beam 65, movable conductive groove 66, fixed conductive block 67, wax block 68, and the manufacturing materials of fixed beam 64, rotating beam 65 are insulating materials; A temperature inlet 611 is opened on the top wall of 61, and the inner wall of the temperature inlet 611 is bonded to the wax block 68 embedded in it, and the wax block 68 is...

Embodiment 2

[0032] Basic content is the same as embodiment 1, the difference is:

[0033] The side wall of the battery box 1 is provided with an air inlet 3 at the position on the back of the ventilation fan 7, and the side wall of the battery box 1 is provided with an air outlet 4 at a position facing the ventilation fan 7, and the air inlet 3, the air outlet 4 facing the setting. A plurality of cooling fins 21 are uniformly arranged on the top of the power battery 2 , and adjacent cooling fins 21 are arranged parallel to each other. The side wall and the bottom wall of the battery box 1 are covered with a heat insulation and noise reduction protective layer 11 , and the heat insulation and noise reduction protection layer 11 is connected to the battery box 1 by bonding.

Embodiment 3

[0035] Basic content is the same as embodiment 1, the difference is:

[0036] The water cooling system includes a water pump 5 and a water flow circuit 51 , the water pump 5 communicates with one end of the water flow circuit 51 , and the other end of the water flow circuit 51 meanders through the bottom of the power battery 2 and then communicates with the water pump 5 . The meandering manner of the water flow circuit 51 is a back shape, a serpentine shape or a zigzag shape.

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Abstract

The invention provides a battery assembly with a constant operating temperature. The battery assembly with a constant operating temperature comprises a battery box, a power battery and a cooling device, wherein the power battery is located at the central portion of the battery box; the cooling device comprises a water cooling system and an air cooling system; the air cooling system comprises a ventilation fan and a temperature controller, and the ventilation fan is connected to a power source through the temperature controller; the water cooling system comprises a water pump and a water flow loop, the water pump communicates with one end of the water flow loop, and the other end of the water flow loop passes through the bottom of the power battery in a zigzag way and then communicates withthe water pump; a plurality of heat sinks are evenly arranged on the top of the power battery; and the side walls and the bottom wall of the battery box are covered with heat-insulating noise-reducing protection layers. With such a design, the battery assembly of the invention not only has strong cooling effect, but also has high automation degree.

Description

technical field [0001] The invention relates to a power battery device, in particular to a battery assembly with a constant working temperature, which is particularly suitable for enhancing the cooling effect to ensure the constant temperature of the surrounding environment of the power battery. Background technique [0002] With the rapid development of electric vehicles, the power battery system, as the core component that directly affects the working performance of electric vehicles, has higher and higher performance requirements. At present, the commonly used power battery system is lithium-ion battery, which has the advantages of high energy density, excellent power output characteristics and long life, but it has high requirements on the temperature of the surrounding environment, and it will be used if the temperature is too high or too low Reliability and security have a greater impact. In the prior art, there is a design for cooling the power battery, but the cooli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/625H01M10/6561H01M10/6568H01M10/6551H01M2/10H01M50/24
CPCH01M10/613H01M10/625H01M10/6551H01M10/6561H01M10/6568H01M50/24Y02E60/10
Inventor 陈金锐
Owner 陈金锐
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