PCB coil and angle measuring method for electromagnetic induction type angle sensor apparatus
An angle sensor and electromagnetic induction technology, applied in the field of angle sensors, achieves the effects of no friction loss, easy maintenance and management, and reliability
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[0073] Connect the stator transmitting coil 7 and the receiving coil 5 together, and fix them on the stationary rotating shaft, fix the rotor reflecting coil 6 on the rotor of the motor, and place the three coaxially and in parallel to complete the equipment construction work;
[0074] The front-end power supply module performs AC excitation on the stator transmitting coil 7, and since the stator transmitting coil 7 is shaped like a mosquito coil, an alternating magnetic field will be generated in its axial direction.
[0075] According to the electromagnetic induction theorem, the axial alternating magnetic field generated by the stator transmitting coil 7 will excite and generate alternating current in the receiving coil 5 and the rotor reflecting coil 6 . Due to the special design of the receiving coil 5, the effective magnetic flux area of the sin receiving coarse tuning coil 2, the cos receiving coarse tuning coil 4, the sin receiving fine tuning coil 1 and the cos recei...
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