水电自动化与大坝监测
水電自動化與大壩鑑測
수전자동화여대패감측
HYDROPOWER AUTOMATION AND DAM MORNITORING
2011年
4期
55-58
,共4页
刘艳平%叶宗顺%刘果%华涛%安保庆
劉豔平%葉宗順%劉果%華濤%安保慶
류염평%협종순%류과%화도%안보경
光纤传感%分布式光纤%温度测量%拉曼散射%光时域反射
光纖傳感%分佈式光纖%溫度測量%拉曼散射%光時域反射
광섬전감%분포식광섬%온도측량%랍만산사%광시역반사
optical fiber sensing%distributed optical fiber%temperature measurement%Raman scattering%optical time domain reflectometry (OTDR)
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。
闡述瞭基于拉曼揹嚮散射和光時域反射(OTDR)技術的分佈式光纖測溫繫統的原理。繫統由測溫主機、測溫光纖和溫度解調軟件組成,具有靈敏度高、可靠性好、可準確測齣光纖沿線溫度及信息量大的特點。試驗數據錶明,繫統測溫精度高、定位準確,在電力和其他行業得到一定應用,具有工程有效性。
천술료기우랍만배향산사화광시역반사(OTDR)기술적분포식광섬측온계통적원리。계통유측온주궤、측온광섬화온도해조연건조성,구유령민도고、가고성호、가준학측출광섬연선온도급신식량대적특점。시험수거표명,계통측온정도고、정위준학,재전력화기타행업득도일정응용,구유공정유효성。
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.