The invention provides a torque pedaling frequency sensor suitable for an electric power-assisted bicycle, and relates to the technical field of center shaft devices of electric vehicles. The sensor comprises a transmission assembly and a torque sensing assembly, the transmission assembly comprises a BB shaft, an output shaft, a clutch and a bevel gear shaft sleeve, and one end of the BB shaft issequentially sleeved with the bevel gear shaft sleeve, the clutch and the output shaft outwards along the circumferential outer side; the torque sensing assembly comprises a sliding sleeve, a thrust bearing, a circuit board and an inner sleeve; the sliding sleeve, the inner sleeve and the circuit board are sequentially sleeved in the direction of the other end of the BB shaft, magnetic steel is arranged on the inner sleeve, a linear Hall is arranged on the circuit board, and when the bevel gear shaft sleeve moves close to the sliding sleeve, the sliding sleeve drives the thrust bearing and theinner sleeve to move relative to the BB shaft, and the magnetic steel moves relative to the linear Hall at the moment. The torque is used for generating axial displacement, the Hall sensor is used for detecting torque, assembling is easy, manufacturing is easy, cost is low, and the torque sensor is suitable for mass production.

    本发明提供了一种适用于电动助力自行车的力矩踏频传感器,涉及电动车的中轴装置技术领域,包括传动组件以及力矩传感组件,传动组件包括BB轴、输出轴、离合器以及斜齿轮轴套,BB轴的一端沿周向外侧向外依次套装有斜齿轮轴套、离合器、输出轴;力矩传感组件包括滑动套、推力轴承、线路板以及内套;沿BB轴的另一端的方向上依次套装有滑动套、内套、线路板,内套上设置有磁钢,线路板上设置有线性霍尔,当斜齿轮轴套靠近滑动套移动时,滑动套驱使推力轴承、内套相对于BB轴移动,此时磁钢相对于线性霍尔移动。本发明利用转矩产生轴向位移,使用霍尔传感器检测力矩,组装简单,易于制作,成本低,适合大批量生产。


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    Title :

    Torque pedaling frequency sensor suitable for electric power-assisted bicycle


    Additional title:

    适用于电动助力自行车的力矩踏频传感器


    Contributors:
    HUANG HONGYUE (author) / XU JIAN (author) / ZANG SHUGUANG (author)

    Publication date :

    2020-05-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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