The invention discloses a high-integration type multi-speed-ratio electric drive axle system and a working method, and belongs to the field of automobile transmissions. The electric drive axle system comprises a first gear shifting unit and a second gear shifting unit. The first gear shifting unit can achieve direct gear transmission and can also achieve three-level gear transmission, the second gear shifting unit comprises a second-level gear and a third-level gear, the first gear shifting unit is connected with the first power input unit, and the second gear shifting unit is connected with the second power input unit. The first gear shifting unit and the second gear shifting unit are both connected with the power output unit. According to the electric drive axle system, double power sources are used for driving a vehicle, seven gear shifting modes are achieved by driving the first gear shifting unit and the second gear shifting unit through the first power input unit and the second power input unit, the range between gears is small, gear shifting impact can be reduced, the vehicle driving comfort can be improved, and the working efficiency of a motor can also be improved.
本发明公开了一种高集成式多级速比的电驱桥系统及工作方法,属于汽车变速器领域。本发明提供的电驱桥系统包括第一换档单元和第二换档单元;第一换挡单元既能够实现直接挡传动也能够实现三级齿轮传动,第二换档单元包括二挡齿轮和三挡齿轮,第一换档单元与第一动力输入单元连接,第二换档单元与第二动力输入单元连接,第一换档单元和第二换档单元均与动力输出单元连接;电驱桥系统使用双动力源驱动车辆,通过第一动力输入单元和第二输入单元驱动第一换挡单元和第二换挡单元的实现七种换挡模式,档位间极差小,既能降低换档冲击,提高车辆驾驶舒适性,也能提高电机工作效率。
Highly-integrated multi-speed-ratio electric drive axle system and working method
一种高集成式多级速比的电驱桥系统及工作方法
2024-04-26
Patent
Elektronische Ressource
Chinesisch
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