The invention is suitable for the technical field of electric vehicle thermal management, and provides an R290-based electric vehicle thermal management system, which consists of a refrigerant loop and a cooling liquid loop, comprising a power battery, a battery heating film, an electric compressor, a plate heat exchanger, a cooler, an electronic expansion valve, a water pump, a liquid storage tank, a ten-way valve, a front-end heat dissipation module, an HVAC air conditioner assembly, a four-way valve and a three-way proportional valve. According to the system, multiple working modes can be achieved, heating, refrigerating, demisting and defrosting of the passenger compartment of the electric automobile are met through the operation modes of the system, meanwhile, fine management such as motor cooling, waste heat recycling and cooling and heating of a power battery can be conducted, and the passenger compartment, the power battery and the motor can be located in the optimal temperature range interval; and meanwhile, the system solves the problems of high greenhouse effect potential value, refrigerant leakage and the like when the refrigerant is applied to the existing thermal management system, so that the safety of a user is guaranteed.

    本发明适用于电动汽车热管理技术领域,提供了一种基于R290的电动汽车热管理系统,该系统由冷媒回路和冷却液回路组成,包括动力电池、电池加热膜、电动压缩机、板式换热器、冷却器、电子膨胀阀、水泵、储液罐、十通阀、前端散热模块、HVAC空调总成、四通阀、三通比例阀。该系统可以实现多种工作模式,通过系统的运行模式满足电动汽车乘员舱加热、制冷、除雾和除霜,同时还可进行电机冷却、余热回收利用以及动力电池的冷却和加热等精细化管理,能够使得乘员舱、动力电池以及电机处于最佳温度范围区间;同时该系统解决了目前热管理系统应用制冷剂温室效应潜能值高、制冷剂泄露等问题,从而保障了用户的安全。


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    Title :

    Electric vehicle thermal management system based on R290


    Additional title:

    一种基于R290的电动汽车热管理系统


    Contributors:
    LI MING (author) / TENG HAIXU (author) / SHI HUA (author) / CHU YAO (author) / LIU GUIDAN (author) / LI XIAOTONG (author) / LIU TINGYU (author) / LI BIN (author) / SHI CHENTONG (author)

    Publication date :

    2023-11-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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