The invention discloses a power split hybrid power speed change mechanism and a speed change method. The speed change mechanism comprises an engine crankshaft; the input shaft is located on the engine crankshaft, and the engine crankshaft is connected with the input shaft through a torsion damper; the planetary power dividing structure is connected with the input shaft and used for dividing power input by an engine crankshaft, one part of the power is used for generating electricity, and the other part of the power is used for driving a vehicle; according to the power split hybrid power speed change mechanism, through multiple working modes, all-working-condition and all-region oil saving can be achieved, a gear shifting system is not needed, the structure is simple, and cost is low; meanwhile, a generator braking device is arranged, when the vehicle runs at a high speed, the engine directly drives the vehicle, and no energy conversion loss exists; and finally, a planetary gear set is adopted for power dividing and speed changing, so that the structural scheme is more compact, whole vehicle arrangement is facilitated, and meanwhile the product manufacturing cost can be reduced.

    本发明公开了一种功率分流混合动力变速机构及变速方法,所述变速机构包括:发动机曲轴;输入轴,位于所述发动机曲轴,所述发动机曲轴通过扭转减振器与所述输入轴连接;行星功率分流结构,与所述输入轴连接,用于将发动机曲轴输入动力分流,一部分进行发电,另外部分进行驱动车辆;本发明提供功率分流混合动力变速机构,通过多种工作模式,可以全工况、全地域节油,无换挡系统,结构简单、成本低;同时,带有发电机制动装置,车辆高速行驶时,发动机直接驱动车辆,无能量转化损失;最后采用行星齿轮组进行功率分流和变速,使得结构方案更加紧凑,便于整车布置,同时也能降低产品制造成本。


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    Title :

    Power split hybrid power speed change mechanism and speed change method


    Additional title:

    一种功率分流混合动力变速机构及变速方法


    Contributors:
    ZHI FENG (author) / ZHANG DAOYUAN (author)

    Publication date :

    2023-09-05


    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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