The invention provides an electric drive power system and a vehicle, and belongs to the technical field of electric vehicles. The electric drive power system comprises a drive motor, a first speed reducer, a differential mechanism and two second speed reducers. The input end of the first speed reducer is in transmission connection with the driving motor, and the output end is in transmission connection with the input end of the differential. The input ends of the two second speed reducers are in transmission connection with the two output ends of the differential mechanism correspondingly, and the output ends of the second speed reducers are used for being in transmission connection with wheels. In this way, the speed reducers can be distributed in the electric drive power system, so that speed reduction is completed among different mechanisms in the electric drive power system. A large space is formed between the differential mechanism and the wheels, so that extra space is not occupied when the second speed reducer is arranged between the differential mechanism and the wheels. Thus, the transmission ratio of the whole electric drive power system is not changed, the occupied space of the electric drive power system is small, and therefore arrangement space is provided for other parts.

    本公开提供了一种电驱动动力系统和车辆,属于电动汽车技术领域。电驱动动力系统包括驱动电机、第一减速器、差速器和两个第二减速器。第一减速器的输入端与驱动电机传动连接,输出端与差速器的输入端传动连接。两个第二减速器的输入端分别与差速器的两个输出端传动连接,第二减速器的输出端用于与车轮传动连接。这样,能够将减速器分散布置在电驱动动力系统中,使得电驱动动力系统中在不同机构之间分别完成减速。差速器和车轮之间具有较大的空间,因此将第二减速器设置在差速器和车轮之间不会占用额外的空间。这样,既不会改变整个电驱动动力系统的传动比,又能够使得电驱动动力系统所占空间较小,从而为其他零部件提供布置空间。


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    Title :

    Electric drive power system and vehicle


    Additional title:

    电驱动动力系统和车辆


    Contributors:
    MA DETAO (author) / MENG FANLEI (author) / YE YUANLONG (author) / ZHOU ZHIGUANG (author) / WU HAILIN (author)

    Publication date :

    2024-03-08


    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



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