The invention provides a commercial vehicle dual-motor series-parallel hybrid power system and a driving method, and belongs to the technical field of heavy hybrid power trucks, the system comprises a front axle assembly, a middle axle assembly, a mechanical driving module and an electric driving module; the middle axle assembly comprises a middle axle right wheel, a middle axle left wheel and a middle axle for connecting the middle axle right wheel and the middle axle left wheel; the mechanical driving module comprises an engine, a clutch, a first motor, an automatic gearbox and a first speed reducer which are connected in sequence; the first motor adopts a P2 motor; the mechanical driving module is coupled to a middle axle of the middle axle assembly to form a first torque transmission route; and the electric driving module is coupled to a middle axle of the middle axle assembly or coupled to an axle shaft at the rear part of the middle axle assembly to form a second torque transmission path. According to the invention, electric driving is taken as a main part, power generation is taken as an auxiliary part, and the fuel saving rate is improved through adjusting torque and transient suppression while energy recovery is ensured.

    本发明提供一种商用车双电机串并联混合动力系统及驱动方法,属于重型混合动力卡车技术领域,所述系统包括前桥总成、中桥总成、机械驱动模块和电驱动模块;中桥总成包括中桥右侧车轮、中桥左侧车轮以及连接中桥右侧车轮与中桥左侧车轮的中轴;机械驱动模块包括依次连接的发动机、离合器、第一电机、自动变速箱及第一减速器;第一电机采用P2电机;机械驱动模块耦合于中桥总成的中轴处,形成第一扭矩传递路线;电驱动模块耦合于中桥总成的中轴处,或耦合于中桥总成后部的桥轴处,形成第二扭矩传递路线。本发明以电驱动为主,发电为辅,在确保能量回收的同时,通过调扭及瞬态抑制实现节油率的提升。


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    Title :

    Commercial vehicle dual-motor series-parallel hybrid power system and driving method


    Additional title:

    一种商用车双电机串并联混合动力系统及驱动方法


    Contributors:
    WANG BIN (author) / WU JIAN (author) / CHENG ZHITENG (author) / HUA HONGYANG (author)

    Publication date :

    2024-01-02


    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 / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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