The invention belongs to the technical field of vehicle thermal management, and particularly relates to a thermal management system of a pure electric vehicle. Comprising a compressor, an electromagnetic valve, a first electronic expansion valve, a second electronic expansion valve, a third large-diameter electronic expansion valve, a condenser, an evaporator, a gas-liquid separator, a water-cooled condenser, a Chiller, a first water pump, a second water pump, a third water pump, a nine-way valve, a radiator, a water heating PTC, a warm air core body and a proportional three-way valve. According to the invention, more than 30 working modes can be realized, and differential thermal management requirements of all areas of the electric vehicle can be met at the same time; environment heat can be absorbed, waste heat of a battery pack, an electric drive assembly and a passenger compartment can be recycled for fine management of heat, the energy consumption of the heat management system is low, and endurance attenuation of the electric automobile is reduced; the thermal management system is high in performance, it can be guaranteed that the battery, the electric drive assembly and the passenger compartment are kept within the optimal temperature interval for a long time, the driving comfort of a user is improved, the possibility of thermal runaway is reduced, and the safety of the user is guaranteed.

    本申请属于车辆热管理技术领域,具体涉及一种纯电动汽车热管理系统,包括压缩机、电磁阀、第一电子膨胀阀、第二电子膨胀阀、第三大口径电子膨胀阀、冷凝器、蒸发器、气液分离器、水冷式冷凝器、Chiller、第一水泵、第二水泵、第三水泵、九通阀、散热器、水暖PTC、暖风芯体和比例三通阀;本申请可以实现30余种工作模式,可同时满足电动汽车各区域的差异化热管理需求;可吸收环境热量、回收电池包、电驱组件、乘员舱的余热进行热量的精细化管理,热管理系统能耗低,降低了电动汽车的续航衰减;热管理系统性能高,可保证电池、电驱组件、乘员舱长时间保持在最佳的温度区间内,提升了用户的驾驶舒适性,降低了热失控的可能性,保障了用户的安全。


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    Title :

    Thermal management system of pure electric vehicle


    Additional title:

    一种纯电动汽车热管理系统


    Contributors:
    TANG WUYANG (author) / LI LEI (author) / CHEN JIANPING (author) / ZHOU LIANGXIAO (author) / WANG NINGJIE (author) / LI HUI (author) / YI CHAO (author) / MA SHUKUN (author)

    Publication date :

    2023-08-04


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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