A wheel speed detection device according to one embodiment of the present disclosure can be provided on a wheel bearing including: an outer wheel; and an inner wheel coupled to the rotating shaft and rotating with respect to the outer wheel about the rotating shaft, the wheel speed detection device comprising: a first target wheel concentrically coupled to the rotating shaft; a second target wheel disposed along the outer periphery of the inner wheel; a cover coupled to the outer wheel so as to cover the first target wheel and the second target wheel; a first sensor for sensing a change in the magnetic field of the first target wheel caused by the rotation of the rotating shaft, the first sensor being disposed on the cover; and a second sensor for sensing a magnetic pole change of the second target wheel caused by the rotation of the inner wheel, the second sensor being disposed on the cover.
本公开一实施方式的车轮速度检测装置能够设置在车轮轴承,上述车轮轴承包括:外轮;以及内轮,与旋转轴相结合,以旋转轴为中心相对于外轮进行旋转,车轮速度检测装置包括:第一靶轮,与旋转轴同心结合;第二靶轮,沿着内轮的外周部配置;盖子,以覆盖第一靶轮及第二靶轮的方式与外轮相结合;第一传感器,用于对由旋转轴的旋转而引起的第一靶轮的磁场变化进行感测,配置于盖子;以及第二传感器,用于对由内轮的旋转而引起的第二靶轮的磁极变化进行感测,配置于盖子。
Wheel speed detection device
车轮速度检测装置
2024-06-25
Patent
Electronic Resource
Chinese
Wheel speed detection device, wheel speed detection system and bicycle
European Patent Office | 2023
|