The invention provides a power module of an electric power-assisted bicycle. The power module comprises a pedal shaft, a fluted disc output shaft, a speed reducer, a motor, a first sensor, a shell, a second sensor and a driving controller. The fluted disc output shaft, the speed reducer output shaft and the speed reducer fixing shaft are arranged in parallel with the pedal shaft in the axial direction and concentrically arranged on the pedal shaft in a sleeving mode. The motor drives the speed reducer through the speed reducer input shaft to drive the fluted disc output shaft to rotate. The first sensor is arranged on the speed reducer fixing shaft so as to detect the first torsion of the speed reducer output shaft acting on the speed reducer fixing shaft. The speed reducer fixing shaft is connected to the shell. The frame fixing piece protrudes outwards from the shell so as to fix the power module on a frame in an assembled mode. The second sensor is arranged on the frame fixing piece so as to detect the second torsion of the power module acting on the frame. The driving controller controls the motor according to the first torsion and the second torsion.
本公开提供一种电动助力自行车的动力模块,包括脚踏轴、齿盘出轴、减速机、电机、第一感测器、壳体、第二感测器与驱动控制器。齿盘出轴、减速机输出轴与减速机固定轴沿轴向与脚踏轴平行设置,且沿同心地套设于脚踏轴。电机通过减速机输入轴驱动减速机带动齿盘出轴转动。第一感测器设置于减速机固定轴上,以检测减速机输出轴作用于减速机固定轴的第一扭力。减速机固定轴连接至壳体。车架固定件自壳体向外凸伸,以组配将动力模块固定于车架上。第二感测器设置于车架固定件上,以检测动力模块作用于车架的第二扭力。驱动控制器依据第一扭力及第二扭力控制电机。
Power module of electric power-assisted bicycle
电动助力自行车的动力模块
26.12.2023
Patent
Elektronische Ressource
Chinesisch
Electric power-assisted bicycle power supply module and electric power-assisted bicycle
Europäisches Patentamt | 2025
|