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Magnetic absolute angular position sensor for valves controlled by electric part-turn actuators
Magnetic absolute angular position sensor for valves controlled by electric part-turn actuators
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机译:电磁绝对角位置传感器,用于由电动部分回转执行器控制的阀门
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摘要
The invention finds application in the field of electric valve actuators.;Particularly, the invention relates to a magnetic absolute angular position sensor for valves controlled by electric part-turn actuators, wherein the rotation α of the valve shaft (10) induces a change in the direction along which the lines of the magnetic field generated by a magnet (8) integral therewith, pass through a stationary circuit board (7), containing two Wheatstone bridges arranged at 45° to each other, and made of a magneto-resistive material. Hence, two 90° electric signals X and Y are generated, having the same amplitude, which allow to uniquely determine the angle of rotation α of the shaft (10).
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