The invention provides a three-motor power split hybrid power system, and belongs to the field of hybrid power vehicles. The power split hybrid power system comprises an engine and three motors. Wherein the engine and the first motor form a power split hybrid power system through a planetary gear mechanism, and the second motor and the third motor form a high-low speed two-gear electric driving system. Therefore, when the vehicle comprising the power split hybrid power system is at a high speed, through high-speed two-power hybrid driving of the high-gear motor electric driving system and the power split hybrid power system of the engine, the engine and the first motor are in an economical power split hybrid power state when the vehicle is in a relatively high speed. Therefore, compared with a high-speed single-mode input type power split hybrid power system in the prior art, the high-speed single-mode input type power split hybrid power system has the advantage that the defects of poor working efficiency and poor fuel consumption of the whole power split hybrid power system when the vehicle is at a high speed can be eliminated.

    本发明提供一种三电机功率分流混合动力系统,属于混合动力车辆领域。该功率分流混合动力系统包括一个发动机和三个电机。其中发动机与电机一经由行星齿轮机构组成功率分流混合动力系统,而电机二和电机三组成高低速两档电动驱动系统。因此,当包括根据本发明的功率分流混合动力系统的车辆处于较高的速度时,可以通过高速档电机电动驱动系统与发动机的功率分流混合动力系统高速双动力混合驱动,使得车辆处于较高的速度时发动机与电机一仍处于经济功率分流混合动力状态,这样与现有技术的高速时单模输入式功率分流混合动力系统相比,能够消除车辆高速时整个功率分流混合动力系统的工作效率和燃油消耗性差的缺陷。


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    Title :

    Three-motor power split hybrid power system


    Additional title:

    三电机功率分流的混合动力系统


    Contributors:
    XI ZHONG (author) / XI RUI (author)

    Publication date :

    2021-06-29


    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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