差动变压器式大量程精密角位移传感器的设计

Design of angular displacement sensor with a large range and a high precision based on LVDT

设计了一种基于差动变压器原理的大量程精密角位移传感器。阐述了差动变压器式角位移传感器的工作原理,指出了传统传感器的不足。通过衔接法,既扩大了传感器的量程,又提高了传感器的精度。最大量程为±145°,精度可达1%。同时,采用多种温度补偿措施,改善了传感器的工作特性。

A angular displacement sensor with a large range and a high precision based on LVDT is designed. The working principle of the sensor is introduced and the flaw of the traditional sensor is pointed out. The measuring range and precision of the sensor are raised by the method of connection. The range is ±145° and the precision is 1%. At the same time the working performance of the sensor is improved.