Electric automobile driving system

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Electric automobile driving system

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SUN LIFEI / WANG DAOYU / QIAN JIANGONG / FAN WENLAI / TONG JIAJIN / DING SHENG / LI HONGLI

The embodiment of the invention provides an electric automobile driving system, which is used for driving wheels (4) and comprises a motor (1), a continuously variable transmission (2), a half shaft (3), the wheels (4) and a transmission controller (5), wherein the input end of the continuously variable transmission (2) is connected with the output end of the motor (1), and the output end of the continuously variable transmission (2) is connected with the half shaft (3); the half shaft (3) is connected with the wheels (4); and the transmission controller (5) is used for controlling the continuously variable transmission (2) to change the transmission ratio. According to the embodiment of the invention, the continuously variable transmission (2) is introduced, so that the rotating speed canbe adjusted in a stepless manner while the effects of speed reduction and torque increase are achieved, various working conditions of the vehicle are adapted, the control experience of the vehicle isimproved, the motor (1) can be kept operating within the most ideal rotating speed range, the efficiency of the motor (1) is maximized, and the power consumption is reduced.

本发明实施例提供了一种电动汽车驱动系统，用于驱动车轮(4)，系统包括电机(1)、无级变速器(2)、和半轴(3)、车轮(4)和变速器控制器(5)，其中：无级变速器(2)的输入端和电机(1)的输出端相连接，无级变速器(2)的输出端和半轴(3)相连接；半轴(3)和车轮(4)相连接；变速器控制器(5)用于控制无级变速器(2)改变传动比，本发明实施例由于引入了无级变速器(2)，在起到降速增扭的作用的同时还能够无极调节转速，以适应车辆的各种工况，提升车辆的操控体验，使得电机(1)能够保持运作在最理想的转速区间内，将电机(1)的效率最大化，降低耗电量。

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Document information

Title :

Electric automobile driving system

Additional title:

电动汽车驱动系统

Contributors:

SUN LIFEI (author) / WANG DAOYU (author) / QIAN JIANGONG (author) / FAN WENLAI (author) / TONG JIAJIN (author) / DING SHENG (author) / LI HONGLI (author)

Publication date :

2020-10-09

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 / B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16H Getriebe , GEARING