The invention discloses a plug-in series-parallel hybrid power system which comprises a hub motor, an ISG motor, a motor controller and a one-way clutch. The ISG motor is electrically connected with the battery pack and the hub motor. The working modes of the plug-in series-parallel hybrid power system comprise pure electric drive, series drive, parallel drive, engine direct drive, kinetic energy recovery and parking charging. The one-way clutch is used for switching multiple working modes; the ISG motor is used for generating power and adjusting the working point of the engine; the motor controller is used for controlling the hub motor and the ISG motor; the engine is used for generating electricity or driving wheels; the hub motor is used for driving wheels in working modes except the engine direct drive working mode. A traditional multi-gear gearbox does not need to be used, the control logic complexity of the transmission system is reduced, the energy transfer link is simplified, the fuel economy is improved, the integration degree of the hybrid power system is improved, the system cost is reduced, and meanwhile the structural arrangement flexibility of the hybrid power system is improved.

    本发明公开了一种插电式串并联混合动力系统,包括:轮毂电机、ISG电机、电机控制器和单向离合器;ISG电机分别与电池组和轮毂电机电气连接;插电式串并联混合动力系统工作模式包括纯电驱动、串联驱动、并联驱动、发动机直驱、动能回收和停车充电;单向离合器用于多种工作模式的切换;ISG电机用于发电和调解发动机工作点;电机控制器用于控制轮毂电机和ISG电机;发动机用于发电或驱动车轮;轮毂电机用于在发动机直驱工作模式以外的工作模式中驱动车轮。能够无需使用传统多挡变速箱,减小了传动系统控制逻辑复杂度,简化了能量传递环节,提高了燃油经济性,提高了混合动力系统的集成度,降低系统成本的同时提高了混合动力系统结构布置的灵活度。


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    Title :

    Plug-in series-parallel hybrid power system


    Additional title:

    一种插电式串并联混合动力系统


    Contributors:
    KAN YU (author) / SHI RUILIN (author) / LI JIANCAI (author)

    Publication date :

    2022-11-01


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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