The embodiment of the invention provides a cooling system of an electric drive assembly, the electric drive assembly, a vehicle and a control method, the cooling system is used for providing lubricating oil for the electric drive assembly, the electric drive assembly comprises a motor assembly and a change gear set in transmission connection with the motor assembly, and the cooling system comprises a mechanical oil pump and an electronic oil pump. The mechanical oil pump is used for being in transmission connection with the change gear set; the mechanical oil pump can rotate along with the change gear set so as to provide cooling oil circulation power. The electronic oil pump is used for providing cooling oil circulation power when the oil temperature of the cooling oil is higher than the first preset temperature and the vehicle speed is lower than the first preset vehicle speed, and the cooling system of the electric drive assembly, the electric drive assembly, the vehicle and the control method can be suitable for the low-temperature environment.

    本申请实施例提供一种电驱动总成的冷却系统、电驱动总成、车辆以及控制方法,冷却系统用于向电驱动总成提供润滑油,所述电驱动总成包括电机组件以及与电机组件传动连接的变速齿轮组,所述冷却系统包括机械油泵和电子油泵。所述机械油泵用于与所述变速齿轮组传动连接;所述机械油泵能够跟随所述变速齿轮组转动以提供冷却油循环动力;所述电子油泵用于在冷却油的油温高于第一预设温度、车速低于第一预设车速时提供冷却油循环动力,本申请实施例的电驱动总成的冷却系统、电驱动总成、车辆以及控制方法,能够适用于低温环境。


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    Title :

    Cooling system of electric drive assembly, electric drive assembly, vehicle and control method


    Additional title:

    电驱动总成的冷却系统、电驱动总成、车辆以及控制方法


    Contributors:
    YU JIAJIA (author) / LEI JUN (author) / XU JING (author) / JIN XIANG (author) / KONG BO (author)

    Publication date :

    2024-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F04B Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten , POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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