The invention discloses a whole vehicle thermal management system of a pure electric vehicle. The whole vehicle thermal management system comprises a CO2 heat pump air-conditioning system; the CO2 heat pump air conditioning system comprises a passenger compartment refrigerating and heating branch and a battery refrigerating and heating branch which are arranged in parallel; the battery cooling water loop comprises a warm air water branch and a battery heat exchange branch which are arranged in parallel; the battery heat exchange branch exchanges heat with the battery refrigerating and heating branch through a battery heat exchanger, and the warm air water branch exchanges heat with air in a passenger compartment; the motor cooling water loop comprises a motor waste heat recovery branch, and the motor waste heat recovery branch is connected with the battery heat exchange branch through a second four-way reversing valve. The invention discloses a control method of a whole vehicle thermal management system of a pure electric vehicle, which respectively provides three heating modes of motor waste heat, heat pump air conditioner heating and PTC heating according to motor cooling water temperature and environment temperature, reasonably utilizes the motor waste heat and improves the energy utilization rate of the system.

    本发明公开了一种纯电动汽车整车热管理系统,包括:CO2热泵空调系统;CO2热泵空调系统包括并联设置的乘员舱制冷制热支路和电池制冷制热支路;电池冷却水回路包括并联设置的暖风水支路和电池换热支路;电池换热支路与电池制冷制热支路通过电池换热器换热,暖风水支路与乘员舱空气换热;电机冷却水回路包括电机余热回收支路,电机余热回收支路通过第二四通换向阀与电池换热支路连接。本发明公开了一种纯电动汽车整车热管理系统的控制方法,根据电机冷却水温和环境温度分别提供电机余热、热泵空调制热和PTC加热三种制热方式,合理利用电机余热,提高系统能量利用率。


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    Titel :

    Whole-vehicle thermal management system of pure electric vehicle and control method


    Weitere Titelangaben:

    纯电动汽车整车热管理系统及控制方法


    Beteiligte:
    WEI YONGSHENG (Autor:in) / ZHANG YAGUO (Autor:in) / DENG YULAI (Autor:in) / SUN XIFENG (Autor:in) / ZHU QI (Autor:in)

    Erscheinungsdatum :

    2022-07-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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