A drive assembly (1) of an electric bicycle (100), comprising: a pedal shaft (22) and two pedal bearings (23, 24) for supporting the pedal shaft (22); a drive unit (8) arranged to provide a motor torque to support a rider torque applied by a rider; two force sensors (51, 52) which are arranged in the drive unit (8), each force sensor being provided for detecting a respective force (55, 56) in a predetermined direction, the pedal shaft being supported in the drive unit by means of two pedal bearings, the two force sensors being arranged in the axial direction of the pedal shaft (22) at the height of the pedal bearing (24) on the sprocket side, the two force sensors are arranged at different circumferential positions relative to the pedal shaft (22); and a detection unit (6) provided for determining the bearing force direction and the bearing force value of the pedal bearing (24) on the sprocket side on the basis of the force detected by the force sensors (51, 52).
一种电动自行车(100)的驱动组件(1),包括:踏板轴(22)和用于支承踏板轴(22)的两个踏板轴承(23,24);驱动单元(8),其设置用于提供马达扭矩以支持由骑手施加的骑手扭矩;两个力传感器(51,52),其布置在驱动单元(8)中,每个力传感器设置用于沿预定方向检测相应的力(55,56),踏板轴借助于两个踏板轴承支撑在驱动单元中,两个力传感器在踏板轴(22)的轴向方向上布置在链盘侧的踏板轴承(24)的高度上,两个力传感器布置在相对于踏板轴(22)的不同周向位置;和检测单元(6),其设置用于根据由力传感器(51,52)检测到的力确定链盘侧的踏板轴承(24)的轴承力方向和轴承力量值。
Driving assembly of electric bicycle
电动自行车的驱动组件
2023-04-07
Patent
Electronic Resource
Chinese
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