齿轮传动型光纤弯曲损耗位移传感器及其实验研究  

Gear Transmission Type Optical Fiber Displacement Sensor Based on Bending Loss and its Experimental Research

作　　者：李亚明 杨杰 程琳[1,2] 马钰明 LI Yaming;YANG Jie;CHENG Lin;MA Yuming(Key laboratory of Cultivating Base of Eco-Hydrology Engineering of Northwest Arid in Shanxi ,Xi＇an 710048, China;Institute of Water Resources and Hydroelectric Engineering , X i ＇an University of Technology , Xi ＇an 710048, China)

机构地区：[1]陕西省西北旱区生态水利工程省部共建国家重点实验室培育基地,西安710048 [2]西安理工大学水利水电学院,西安710048

出　　处：《传感技术学报》2018年第2期190-194,共5页Chinese Journal of Sensors and Actuators

基　　金：国家自然科学基金项目(51409205);博士后自然科学基金项目(2015M572656XB);陕西省博士后自然科学基金项目;水文水资源与水利工程科学国家重点实验室开放研究基金项目(2014491011);西安理工大学水利水电学院青年科技创新团队项目(2016ZZKT-14)

摘　　要：针对传统光纤弯曲损耗位移传感器线性度不高的问题,设计了一种齿轮传动型光纤弯曲损耗位移传感器,并用理论证明了被测位移量与光纤弯曲损耗之间呈线性关系,并进一步做了实验研究。实验结果表明,本传感器的灵敏度与理论计算结果相符,并具良好的线性度与测量精度,便于在实际工程中应用,有有着较好的市场应用前景。A gear transmission type optical fiber displacement sensor based on bending loss is designed,in order to improve the linearity of traditional optical fiber bending loss displacement sensor.It is proved by theory that the measured displacement is linearly related to the bending loss of fiber,and further experimental research has been done.The experimental results show that the sensitivity and the theoretical calculation results of the sensor are consistent.And the sensor has good linearity and measurement accuracy,so it is easy to apply in practical engineering,and has a better market prospect.

关 键 词：光纤传感 弯曲损耗 位移监测 位移传感器 测量 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]