分布式光纤温度传感系统及在隧道监测中的应用  

Distributed Temperature Sensing System and Applications for Tunnel Monitoring

作　　者：涂勤昌[1] 李涉英[2] 顾海涛[2] 张艳辉[1] 王健[2] 

机构地区：[1]聚光科技(杭州)有限公司,浙江杭州310052 [2]杭州电子科技大学电子信息学院,浙江杭州310018

出　　处：《控制工程》2010年第S1期114-116,共3页Control Engineering of China

摘　　要：分布式光纤温度传感系统(Distributed Temperature Sensing,DTS)是一种新型的线型感温探测器,具有测量距离长、测温精度高、定位精确、响应速度快、报警方式灵活等优点。介绍了分布式光纤温度测量原理,详细描述了系统的主要组成结构和各模块的功能特点。系统性能测试结果表明该系统关键技术指标达到国际先进水平。最后说明了该系统在隧道火灾监测中的实际应用情况。现场点火试验结果表明该系统具有响应速度快(22 s)、测量精度高等优点,为隧道安全运营提供了充分保障。Distributed temperature sensing system is a novel linear temperature sensor and has many advantages,such as long sensing distance,high temperature resolution,high location accuracy,fast response and smart alarm mode.The measuring principle of distributed temperature sensing is introduced.And the main configuration and the features are described in detail.The test reports indicate its key performances achieve the international advanced level.The applications for tunnel monitoring is presented and the fire test results show that the system has excellent performance such as fast response time(22 s),high precision and can provide safeguard for tunnel operation.

关 键 词：光纤传感 分布式温度传感 隧道监测 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]