The invention belongs to the field of vehicle transmission, discloses two series-parallel type oil-electric hybrid power driving devices suitable for a commercial vehicle, and aims to enable an engineto continuously work at the maximum efficiency point, improve the fuel rate, save energy, reduce emission and achieve stepless speed change through hybrid driving of a single motor combined with an ISG motor and the engine. Each of the two transmission devices mainly comprises an engine, an ISG motor, a damping shock absorber, a driving motor, a power converter, an energy storage device and a power coupling speed change device. Each power coupling speed change device is composed of three planet rows, three brakes and three clutches. The functions of a pure electric driving mode, a parallel connection mode, a series-parallel connection driving mode, a fixed mechanical gear and the like can be achieved through combination of different control parts and control over the engine and the motor.The device has the advantages that various working condition modes can be realized through the combination of different operating parts, the engine can continuously work in a high-efficiency area, the vehicle can realize the working conditions of pure electric starting, medium-high speed cruise hybrid driving and the like, the requirements of climbing, frequent starting and stopping and the likeof the vehicle can be met, and energy conservation and emission reduction are effectively realized. Meanwhile, the motor power is low, space and weight are saved, mechanical gears are achieved, and the transmission efficiency is high.
本发明属于车辆传动领域,公开了两种适用于商用车的混联式油电混合动力驱动装置,目的是使发动机可持续工作在最大效率点,提高燃油率,节能减排,同时通过单电机联合ISG电机和发动机混合驱动,实现无级变速。这两种传动装置均主要包括发动机、ISG电机、阻尼减震器、驱动电机、电力转换器、储能装置和功率耦合变速装置。其中功率耦合变速装置均由三个行星排、三个制动器和三个离合器组成。通过不同操纵件的组合和对发动机和电机的控制,均可实现纯电驱动模式、并联模式、混联驱动模式和固定机械挡位等功能。本发明优点是通过不同操纵件组合可以实现多种工况模式,发动机可持续工作于高效区,车辆可以实现纯电起动、中高速巡航混合驱动等工况,可以满足车辆爬坡和频繁启停等要求,有效节能减排。同时电机功率小,节省空间和重量,具有机械挡位,传动效率高。
Two series-parallel type oil-electric hybrid power driving devices suitable for commercial vehicle
两种适用于商用车的混联式油电混合动力驱动装置
2020-10-02
Patent
Electronic Resource
Chinese
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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