The invention relates to a single planet row hybrid power system and a working method. When a vehicle is in a high-speed working condition, a generator connected with a planet row sun gear can be braked; the power of the engine is completely used for driving a vehicle; the engine and the other motor form a parallel hybrid mode suitable for high-speed operation; a pure electric operation EV mode based on the second motor is provided according to the single planet row hybrid power system; according to the working method for switching the four working modes including the engine power split hybridpower HEV mode, the parallel operation P2 mode formed by the engine and the second motor and the in-situ parking power generation PG mode, power circulation caused by the specific power split phenomenon of a planet row still existing at a high speed is avoided, and the fuel efficiency is improved.
本发明涉及一种单行星排混合动力系统及工作方法。当车辆处于高速工况时可以把连接行星排太阳轮的发电机进行制动,让发动机的动力全部用于驱动车辆,使发动机与另一个电机组成适合高速运行的并联混动模式,并根据单行星排混合动力系统提出基于第二电机纯电运行EV模式,发动机动力分流混合动力HEV模式,发动机与第二电机组成并联运行P2模式和原地驻车发电PG模式4种工作模式切换的工作方法,避免了高速时仍存在的行星排特有的功率分流现象而造成功率循环,提高燃油效率。
Single planet row hybrid power system and working method
一种单行星排混合动力系统及工作方法
06.11.2020
Patent
Elektronische Ressource
Chinesisch
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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