Heating and cooling system for automobile power battery

Active Publication Date: 2019-02-01
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a heating and cooling system for a power battery of an automobile, which solves the problems of high preparation cost and low efficiency caused by the indepen

Method used

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  • Heating and cooling system for automobile power battery
  • Heating and cooling system for automobile power battery
  • Heating and cooling system for automobile power battery

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Embodiment Construction

[0052] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0053] For the thermal management of the power battery of the current electric vehicle, an independent heating system and a cooling system are used, and the preparation cost is high. The invention provides a heating and cooling system for an automobile power battery. The battery cooler and the heater are connected in series through pipelines, and an expansion kettle and a circulating water pump are arranged on the pipeline so that the cooling liquid flows through the battery cooler and the heater. Furthermore, the cooling or heating of the power battery can be realized, and the problem of high production cost and low efficiency caused by the independent system for heating and cooling of the power battery of the e...

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Abstract

The invention provides a heating and cooling system for an automobile power battery. The system comprises an expansion kettle, a circulating water pump, a battery cooler and a heater. The expansion kettle is connected with the circulating water pump through a first pipeline, the circulating water pump is connected with the battery cooler through a second pipeline, the battery cooler is connected with the heater through a third pipeline, the heater is connected with the expansion kettle through a fourth pipeline, the battery cooler is used for refrigerating the power battery, and the heater isused for heating the power battery. In operating of the circulating water pump, cooling fluid is driven by the circulating water pump to circulate on the battery cooler and the heater so as to improveefficiency in heat exchange between the battery cooler and the heater and the power battery. By the heating and cooling system, electric automobile cost can be reduced, and heat management efficiencyof the power battery can be improved.

Description

technical field [0001] The invention relates to the technical field of heat exchange of automobile batteries, in particular to a heating and cooling system for automobile power batteries. Background technique [0002] With the increase of the cruising range of electric vehicles, the performance requirements of the power batteries of electric vehicles are also getting higher and higher. However, with the development of high energy density power batteries, the problem of battery heat has become more prominent. To make the power battery capacity of pure electric vehicles larger, it is necessary to arrange a large number of batteries in a limited volume, which will lead to the heat dissipation of the power battery becoming the key. At the same time, since the battery will generate a large amount of chemical reaction heat and Joule heat during charging and discharging, it is easy to cause safety hazards due to excessive temperature of the power battery. In addition, the power b...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/615H01M10/625H01M10/6568H01M10/635H01M10/48
CPCH01M10/486H01M10/613H01M10/615H01M10/625H01M10/635H01M10/6568Y02E60/10
Inventor 武文杰张宝鑫赵久志李华陈子昂宋浩鹏
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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