The invention discloses a longitudinal series-parallel hybrid power transmission system and a control method. The longitudinal series-parallel hybrid power transmission system comprises an engine, a P1 motor, a P3 motor and a rear axle. The engine, the P1 motor and the P3 motor are coaxially arranged, and the engine and the P1 motor are connected through a speed increasing mechanism so that power can be transmitted between the engine and the P1 motor. The P3 motor is connected with the rear axle through a speed reducing mechanism so as to realize wheel driving; the speed increasing mechanism and the speed reducing mechanism are connected through a clutch so as to realize connection or disconnection of the engine and the P3 motor; the invention provides a hybrid drive transmission system which meets the functions of pure electric drive, engine direct drive, series/parallel hybrid power transmission and the like and meets the energy-saving and consumption-reducing targets of a whole vehicle. The cylindrical gear is adopted to achieve speed increasing/reducing, the structural design and the part process are simple, the technology is mature, the process cost is low, and the system efficiency is high.

    本发明公开了一种纵置混联式混合动力传动系统及控制方法,包括发动机、P1电机、P3电机以及后桥;所述发动机与所述P1电机以及所述P3电机同轴设置,所述发动机与所述P1电机之间通过升速机构连接,以实现所述发动机与所述P1电机之间传递动力;所述P3电机与所述后桥之间通过减速机构连接,以实现车轮驱动;所述升速机构与所述减速机构之间通过离合器连接,以实现所述发动机与所述P3电机的连接或断开;本发明提供一种混动驱动传动系统,满足纯电驱动,发动机直驱,串联/并联混合动力传动等功能,满足整车节能降耗目标。采用圆柱齿轮实现升/减速,结构设计及零件工艺简单,技术成熟设计及工艺成本低,系统效率高。


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    Title :

    Longitudinal series-parallel hybrid power transmission system and control method


    Additional title:

    一种纵置混联式混合动力传动系统及控制方法


    Contributors:
    YIN LIANGJIE (author) / FANG ZHIQIN (author) / REN XIANG (author) / GUO YINGQING (author) / GUO HAIBAO (author) / WANG TONGKUI (author) / LIU CHENGWEN (author)

    Publication date :

    2023-05-23


    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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