Battery pack cooling device of electric car

A technology of heat dissipation device and electric vehicle, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of low heat dissipation efficiency, low heating efficiency, large power consumption, etc., and achieves good heat dissipation performance, long driving range, Low power consumption

Active Publication Date: 2015-12-02
WM MOTOR TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is that the heat pump air-conditioning system used for electric vehicles in the prior art consumes a lot of power, has l

Method used

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  • Battery pack cooling device of electric car
  • Battery pack cooling device of electric car
  • Battery pack cooling device of electric car

Examples

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Example Embodiment

[0024] Such as figure 1 As shown, the heat dissipation device for an electric vehicle battery pack of the present invention includes: a compressor 1, a gas-liquid separator 2, an in-vehicle condenser 3, an outside heat exchanger 4, an in-vehicle heat exchanger 5, an air duct 6, and a battery Group cooling device 7.

[0025] The outlet of the compressor 1 is respectively connected to the first inlet 301 of the in-vehicle condenser 3 and the inlet of the outer heat exchanger 4 through a pipeline, and the first outlet 302 of the in-vehicle condenser 3 is connected through a pipeline The inlet of the exterior heat exchanger 4 and the outlet of the exterior heat exchanger 4 are respectively connected to the inlet of the gas-liquid separator 2 and the second inlet 501 of the interior heat exchanger 5 through pipes, so The second outlet 502 of the in-car heat exchanger 5 is connected to the inlet of the gas-liquid separator 2 through a pipe, and the outlet of the gas-liquid separator 2 ...

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Abstract

The invention discloses a battery pack cooling device of an electric car. The battery pack cooling device comprises a compressor, a gas-liquid separator, a car inside condenser, a car outside heat exchanger, a car inside heat exchanger, an air channel and a battery pack cooling device body. A first connecting pipeline and a second connecting pipeline are arranged between the battery pack cooling device body and the car inside condenser, a third connecting pipeline and a fourth connecting pipeline are arranged between the battery pack cooling device body and the car inside heat exchanger, so that when outdoor temperature is too high, cooling fluid in the third connecting pipeline carries out heat exchange with refrigerating fluid in the car inside heat exchanger and then flows to the battery pack cooling device body from the fourth connecting pipeline, therefore, a battery pack is cooled, the temperature of the battery pack is prevented from being too high, and efficient and safe operating of batteries is guaranteed. When the outdoor temperature is too low, cooling fluid in the first connecting pipeline carries out heat exchange with refrigerating fluid in the car inside condenser and then flows to the battery pack cooling device body from the second connecting pipeline, and therefore the battery pack is fast preheated. The battery pack cooling device is good in heat dispersion performance and long in runtime.

Description

Technical field: [0001] The invention belongs to the technical field of electric vehicles, and in particular relates to a cooling device for battery packs of electric vehicles. Background technique: [0002] In recent years, countries all over the world are advocating energy conservation and environmental protection. With the increase of automobile sales in my country, the carbon emissions of automobiles are also getting higher and higher. The research focus of the automobile industry is gradually shifting to the low-carbon field. Compared with gasoline, electric vehicles The traditional automobile powered by the battery has shown outstanding advantages in terms of environmental protection and energy saving. The electric vehicle air conditioning system keeps the temperature, humidity, and freshness in the vehicle within a certain range, maintaining the comfort of the electric vehicle. The electric vehicle air conditioning system has become an important part of the electric ve...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/625H01M10/6563
CPCY02E60/10
Inventor 董维平沈鹏董航
Owner WM MOTOR TECH GRP CO LTD
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