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Electric vehicle thermal management system and working method thereof

A thermal management system, a technology for electric vehicles, applied in the field of thermal management systems for electric vehicles, to achieve the effect of improving stability and reliability and having complete functions

Pending Publication Date: 2020-10-30
应雪汽车科技(常熟)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem solved by the present invention is that the existing electric vehicle system cannot satisfy the heating / cooling function for the passenger compartment and other components of the electric vehicle at the same time

Method used

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  • Electric vehicle thermal management system and working method thereof
  • Electric vehicle thermal management system and working method thereof
  • Electric vehicle thermal management system and working method thereof

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0048]In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically co...

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Abstract

The invention discloses an electric vehicle thermal management system and a working method thereof. The electric vehicle thermal management system comprises a refrigerant loop; a coolant circuit; a water-cooled heat exchanger which is connected with the refrigerant loop and the coolant loop; and a control system which is configured to control the refrigerant loop or the coolant loop to operate independently and control the refrigerant loop, the water-cooling heat exchanger and the coolant loop to operate in a linkage mode when the system works so that the heating, refrigerating and waste heatrecycling functions of the system are achieved. The electric vehicle thermal management system is complete in function and covers all functions of electric vehicle thermal management. Meanwhile, the refrigerant loop and the coolant loop can realize independent operation or linkage operation so that the stability and the reliability of the functions of the automobile system are greatly improved. The water-cooling heat exchanger and the indoor heat exchanger are arranged through a series structure so that the passenger compartment and the battery can be refrigerated and heated at the same time,the functions of passenger compartment heating and battery refrigeration can be achieved, and the battery / motor waste heat recovery function can be achieved.

Description

technical field [0001] The invention relates to the technical field of electric vehicle systems, in particular to an electric vehicle thermal management system and a working method thereof. Background technique [0002] Electric vehicles require more and more components for thermal management. In addition to the traditional passenger compartment thermal management (crew compartment cooling, heating, dehumidification and defogging), it is also necessary to manage the temperature of the battery (battery heating or cooling). Motors, high-power components, etc. also need to be cooled. [0003] Pure electric vehicles do not have waste heat from the engine, and new heat sources are also needed for heating in winter. Must use PTC (Positive Temperature Coefficient Resistance) electric heating or heat pump air conditioning system. Therefore, the present application proposes a thermal management system for an electric vehicle to realize the function of heating / cooling the passenger ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/00B60H1/14B60H1/32B60L58/26B60L58/27B60K11/02
CPCB60H1/00278B60H1/00321B60H1/00385B60H1/143B60H1/3227B60K11/02B60L58/26B60L58/27B60H1/3228Y02T10/70
Inventor 刘志坤陈绍龙
Owner 应雪汽车科技(常熟)有限公司
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