The invention discloses a pure electric vehicle electromechanical coupling transmission system and a working method thereof, and relates to the field of electric vehicles, a first transmission shaft, a first motor and a second motor are connected to the two ends of the first transmission shaft respectively, a planetary gear mechanism is arranged on the first transmission shaft, and the planetary gear mechanism comprises a sun gear, a planet gear, a planet carrier and a gear ring; the sun gear, the planet carrier and the gear ring are all coaxially arranged with the first transmission shaft; the output tail end of the second transmission shaft is connected with a differential mechanism; the first transmission shaft and the second transmission shaft are provided with a sun gear transmission assembly, a planet carrier transmission assembly and a gear ring transmission assembly which are in matched transmission with a sun gear, a planet carrier and a gear ring correspondingly and used for transmitting the rotating speed and torque output by the sun gear, the planet carrier and the gear ring to the second transmission shaft correspondingly, and then the differential mechanism is driven. The input end of the second transmission shaft is connected with a third motor which is directly connected with a differential mechanism to continuously work, and it is guaranteed that power interruption does not exist in the gear shifting process.
本发明公开了一种纯电动汽车机电耦合传动系统及其工作方法,涉及电动汽车领域,第一传动轴,第一传动轴两端分别连接第一电机和第二电机,第一传动轴上设置有行星齿轮机构,行星齿轮机构包括太阳轮、行星轮、行星架和齿圈,太阳轮、行星架和齿圈均与第一传动轴同轴设置;以及与第一传动轴平行设置的第二传动轴,第二传动轴的输出末端连接差速器;第一传动轴和第二传动轴上设置有太阳轮传动组件、行星架传动组件和齿圈传动组件,分别与太阳轮、行星架和齿圈配合传动,分别用于将太阳轮、行星架和齿圈输出的转速和转矩传递到第二传动轴,进而驱动差速器;第二传动轴的输入端连接第三电机,第三电机与差速器直接相连持续工作,保证换挡过程无动力中断。
Electromechanical coupling transmission system of pure electric vehicle and working method of electromechanical coupling transmission system
一种纯电动汽车机电耦合传动系统及其工作方法
2024-06-21
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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