Torque sensor

摘要

An embodiment discloses a sensor arrangement comprising disc shaped structure with a plurality of magnetic elements which are at least provided on end faces of the disc shaped structure. The sensor arrangement includes a hollow disc structure, the hollow disc structure comprising two end faces, wherein each of the two end faces of the second structure comprises a plurality of teeth spaced apart from each other, the teeth on the two end faces are arranged in opposing positions. Teeth on a respective same end face of the hollow disc structure are spaced from each other. The disc shaped structure is rotatable with respect to the hollow disc structure. A magnetic field sensor is provided to sense a magnetic field generated by the plurality magnetic elements.

主权项

1. A sensor arrangement, comprising:
a disc shaped structure, wherein a plurality of magnetic elements are at least provided on end faces of the disc shaped structure; a hollow disc structure, the hollow disc structure comprising two end faces, wherein each of the two end faces of the hollow disc structure comprises a plurality of teeth spaced apart from each other, wherein teeth on the two end faces are arranged in opposing positions, and wherein teeth which are provided on a respective same end face are spaced from each other; the disc shaped structure being rotatable with respect to the hollow disc structure; and a magnetic field sensor to sense a magnetic field generated by the magnetic elements, wherein the disc shaped structure is connected to a first shaft and the hollow disc structure is connected to a second shaft, the sensor arrangement being configured to determine an applied torque based on a relative rotation between the disc shaped structure and the hollow disc structure.