The invention relates to a new energy automobile motor preheating system, a vehicle thermal management system and a new energy automobile, the new energy automobile motor preheating system comprises amotor preheating pipeline used for preheating a motor, and the motor preheating pipeline is used for being connected with a PTC water heater in the vehicle thermal management system to form a motor preheating loop, the PTC water heater is used for heating a heat conduction working medium in the motor preheating pipeline to preheat the motor. The motor preheating pipeline is additionally arrangedon the basis of an existing vehicle heat management system; the PTC water heater of the vehicle heat management system is used for preheating the motor only by changing the pipeline design; a heatingdevice does not need to be specially added for preheating, the size of the vehicle heat management system cannot be increased, the motor can be rapidly preheated when the environment temperature is low, the motor can be stabilized at the temperature with the high working efficiency, and the working efficiency of the motor is guaranteed.

    本发明涉及一种新能源汽车电机预热系统、车辆热管理系统及新能源汽车,其中,新能源汽车电机预热系统包括:电机预热管路,用于为电机进行预热,电机预热管路用于与车辆热管理系统中的PTC水加热器连接形成电机预热回路;其中,PTC水加热器用于加热电机预热管路中的热传导工质为电机预热。本发明通过在现有的车辆热管理系统的基础上增设电机预热管路,仅通过改变管路设计利用车辆热管理系统的PTC水加热器为电机进行预热,无需专门增设加热装置进行预热,不会增加车辆热管理系统的体积,能够实现在环境温度较低时为电机进行快速预热,使电机能够稳定在工作效率较高的温度下,保证电机的工作效率。


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    Title :

    New energy vehicle motor preheating system, vehicle heat management system and new energy vehicle


    Additional title:

    新能源汽车电机预热系统、车辆热管理系统及新能源汽车


    Contributors:
    LIANG JIAJIA (author) / LONG HAIFENG (author) / XI ZHONGMIN (author) / XU JUNHAI (author) / HE KAIXIN (author) / LIU ZHOU (author) / LIU JIWEI (author)

    Publication date :

    2020-10-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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