光纤传感测量系统在超导转子旋转装置中的应用

介绍了超导转子旋转驱动原理以及应用在超导转子旋转装置中的一种光纤传感测量系统。光纤传感测量系统包括微位移光纤传感器、转速光纤传感器、电机控制光纤传感器和信号读取图形,该系统能够进行转子悬浮微位移和旋转速度的测量并提供转子旋转所需的控制信号。在4.2 k低温下进行了转子悬浮和旋转实验,超导球形转子悬浮微位移测量分辨率为10 μm,转子转速达到了1 365 r/min。实验结果为进一步应用光纤传感测量系统精确监控超导转子工作姿态提供了参考。

Abstract

The spin drive principle of superconducting rotor and a fiber optic sensor measurement system used in spinning superconducting rotor instrument were introduced.The measurement system includes a displacement fiber optic sensor,a speed fiber optic sensor,a motor control fiber optic sensor and signal readout patterns.It can not only gauge suspension micro-displacement and the rotative velocity of rotor,but also can generate some necessary motor control signals to drive rotor.The experimental results of the suspension and rotation of rotor at liquid helium temperature (4.2 k) show that the measurement resolution of suspension micro-displacement of superconducting spherical rotor is 10 μm and the rotor rotary speed is 1 365 r/min,which can give some useful references for the further application of fiber optic sensor measurement system to monitoring operating position of a rotor accurately.

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胡新宁, 王秋良, 崔春艳, 韩立, 鞠昱, 王欣, 谢亮. 光纤传感测量系统在超导转子旋转装置中的应用[J]. 光学精密工程, 2008, 16(11): 2092. HU Xin-ning, WANG Qiu-liang, CUI Chun-yan, HAN Li, JU Yu, WANG Xin, XIE Liang. Application of fiber optic sensor measurement system to spinning superconducting rotor instrument[J]. Optics and Precision Engineering, 2008, 16(11): 2092.

光纤传感测量系统在超导转子旋转装置中的应用

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