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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

Active Publication Date: 2014-09-24
杭州兆鼎科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the reliability, accuracy, and cost of the angle sensor and many other problems, an angle measurement method based on wireless power transmission and electromagnetic induction is proposed here

Method used

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  • PCB coil and angle measuring method for electromagnetic induction type angle sensor apparatus
  • PCB coil and angle measuring method for electromagnetic induction type angle sensor apparatus
  • PCB coil and angle measuring method for electromagnetic induction type angle sensor apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example

[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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PUM

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Abstract

The invention discloses a PCB coil and an angle measuring method for an electromagnetic induction type angle sensor apparatus. The PCB coil and the angle measuring method for the electromagnetic induction type angle sensor apparatus comprise a receiving coil for receiving a signal sent by a rotor reflection coil, an excitation magnetic field rotor reflection coil for receiving stator transmitting coil, and the stator reflection coil for sending an excitation signal to the rotor reflection coil; the receiving coil and the stator transmitting coil are connected and fixed to a stationary rotation shaft, the rotor reflection coil is arranged on a sensor rotor, the three coils are coaxially and fixedly arranged in parallel, the rotor reflection coil comprises an annular coil portion and a copper portion, and the annular coil portion and the copper portion are fan-shaped. The PCB coil and the angle measuring method for the electromagnetic induction type angle sensor apparatus can implement non-contact angle measurement, has the advantages of high accuracy, low cost, installation convenience, maintenance and management easiness and low environmental requirements, can accurately, stably and quickly complete tasks and solves many problems such as reliability, accuracy and cost of angle measurement methods.

Description

technical field [0001] The invention relates to the field of angle sensors, in particular to a PCB coil for an electromagnetic induction angle sensor device and an angle measurement method thereof. Background technique [0002] As an important basic component in the motor, the angle sensor occupies an important position in many industries with great strategic significance. In the high-efficiency and energy-saving industry, an important way to realize the high-efficiency internal combustion engine is to precisely control the throttle valve for fuel and air input; in the high-end equipment manufacturing industry, the aviation turbine engine and control system require precise control of the motor rotation angle, intelligent manufacturing equipment industry The new sensor technology is listed as the focus of development in the first article, which is related to the realization of multi-dimensional precision machine tools; in the new energy automobile industry, the uniform and ef...

Claims

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Application Information

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IPC IPC(8): G01B7/30
CPCG01D5/2086
Inventor 李霄霄郑翰林逸铭
Owner 杭州兆鼎科技实业有限公司
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