分布式光纤测温系统的研制  

Distributed Temperature Sensor System

作　　者：刘艳平[1] 叶宗顺[1] 刘果[1] 华涛[1] 安保庆[1] 

机构地区：[1]国网电力科学研究院/南京南瑞集团公司,江苏省南京市210003

出　　处：《水电自动化与大坝监测》2011年第4期55-58,共4页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：阐述了基于拉曼背向散射和光时域反射(OTDR)技术的分布式光纤测温系统的原理。系统由测温主机、测温光纤和温度解调软件组成,具有灵敏度高、可靠性好、可准确测出光纤沿线温度及信息量大的特点。试验数据表明,系统测温精度高、定位准确,在电力和其他行业得到一定应用,具有工程有效性。The principle of distributed temperature sensor system based on Raman Scattering and optical time domain reflectometer （OTDR） is explained. The system is made by temperature measurement instrument, optic fiber and demodulation software of temperature. It can accurate measure the temperature along the optic fiber. And it is sensitive, dependable and can get amount of temperature information. The experimental data indicate the system has a high precision in measuring temperature and it is accurate to make a destination. It has a widespread application in electric power and other various trades.

关 键 词：光纤传感 分布式光纤 温度测量 拉曼散射 光时域反射 

分 类 号：TP212.11[自动化与计算机技术—检测技术与自动化装置]