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《Sensor World》 2020-05
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Research and Application of Differential Transformer Inductive Sensor

QIN Chang-gui;Guangdong Songshan Polytechnic College;  
By studying the structure and working principle of the differential transformer inductive sensor and its corresponding differential rectification,filtering and amplification circuit,this paper explains in detail how the differential transformer inductive sensor transforms the displacement non electric quantity into the voltage electric signal conversion process.The secondary winding of the differential transformer type inductive sensor has the geometry size and the symmetry structure of electrical parameters,which can offset the influence of external factors,effectively reduce the measurement error and improve the measurement accuracy;the differential output mode adopted by the secondary winding can effectively improve the measurement sensitivity.Differential transformer inductance sensor is widely used in the automatic detection and control of roller diameter automatic separation device,pressure transmitter and tension detection control system.
【CateGory Index】: TP212;TM41
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