The invention relates to a power system with multiple hybrid power driving modes. The power system comprises a parallel hybrid power driving mode, an input power split hybrid power driving mode, an output power split hybrid power driving mode, a double-rotating-speed decoupling hybrid driving mode, a pure engine driving mode, a pure electric driving mode (a single motor and double motors), a regenerative braking mode, a parking charging mode and a parking standby mode. The system is composed of three power sources, two planetary gear mechanisms, three clutches and an output shaft, and switching among different modes is achieved by controlling combination and separation of the clutches. Compared with an existing single-mode and dual-mode hybrid power system, the hybrid power system is simple in structure, easy to implement and control and high in energy utilization rate. High efficiency is shown under the working conditions of high, medium and low speeds, layout is reasonable, and adaptability is high. In the regenerative braking mode, braking energy recovery is achieved by switching power sources; in the parking charging mode, the engine drives the motor to charge the battery, and the economical efficiency and practicability of the system are further improved. The power system is few in transmission component, high in integration level, capable of remarkably improving the energy consumption economy in the whole working condition domain and suitable for the development trend of the new energy automobile technology.

    本发明涉及一种具有多种混合动力驱动模式的动力系统,包括并联混合动力驱动、输入功率分流混合动力驱动、输出功率分流混合动力驱动、双转速解耦混合驱动、纯发动机驱动、纯电驱动(单电机和双电机)、再生制动、驻车充电和驻车待机模式。该系统由三个动力源、两个行星齿轮机构、三个离合器和输出轴组成,通过控制离合器的结合与分离,实现不同模式间的切换。与现有单一和双模式混合动力系统相比,本发明结构简单,易于实现和控制,具有高效的能量利用率。在高中低速工况下均表现出高效率,且布局合理,适应性强。再生制动模式下,通过切换动力源实现制动能量回收;驻车充电模式下,发动机驱动电机为电池充电,进一步提升了系统的经济性和实用性。本发明的动力系统传动部件少,集成度高,能够显著提升全工况域内的能耗经济性,适应新能源汽车技术发展的趋势。


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    Titel :

    Power system with multiple hybrid power driving modes


    Weitere Titelangaben:

    具有多种混合动力驱动模式的动力系统


    Beteiligte:
    CHEN SHUANG (Autor:in) / HU MINGHUI (Autor:in) / JIN GUOQING (Autor:in) / XIAO ZONGXIN (Autor:in)

    Erscheinungsdatum :

    27.08.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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