Non-contact type torque and angle of rotation sensing device and measurement method using same

摘要

A non-contact type torque and angle of rotation sensing device (10) consisting of a magnetic member (30), sensing members (40) and a computing unit (60) for measuring a torque being applied to rotate a transmission member (20) and the angle of rotation of said transmission member (20) in a first axial direction (22) is disclosed. The magnetic member (30) defines a first center (34), and is mounted on and rotatable with the transmission member (20). The magnetic member (30) deflects relative to the transmission member (20) in a nonparallel manner relative to the first axial direction (22) when rotating with the transmission member (20). Sensing members (40) induce a magnetic field variation to output respective electrical signals that exhibit a phase difference there between. The computing unit (60) receives and calculates the electrical signals of the sensing member (40) to obtain the amplitude and to further translate the amplitude into torque value and angle of rotation.