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Optical fiber temperature measurement,Fiber optic temperature sensor,Fluorescent fiber optic temperature measurement,Distributed optical fiber temperature measurement system,Vibration perimeter security monitoring,Fiber Bragg Grating Temperature Measurement,Wireless temperature measurement,Years of industry experience,Manufacturer price,Contact number 0591-83841511

  • Years of hard work
    Fiber optic sensing
  • Contact number
    13599070393
  • Distributed optical fiber temperature measurement pipeline leakage monitoring system

Distributed optical fiber temperature measurement pipeline leakage monitoring system

分布式光纖測(cè)溫原理 分布式光纖測(cè)溫系統(tǒng)(DTS)Raman scattering principle using optical fiber,When the temperature changes in somewhere in the fiber,Scattered light is modulated and changed,Through high-speed signal acquisition and data processing technology,Accurately locate the disturbed position and give real-time temperature alarm information。分...

分布式光纖測(cè)溫原理

Distributed optical fiber temperature measurement system(DTS)Raman scattering principle using optical fiber,When the temperature changes in somewhere in the fiber,Scattered light is modulated and changed,Through high-speed signal acquisition and data processing technology,Accurately locate the disturbed position and give real-time temperature alarm information。分布式光纖溫度監(jiān)測(cè)系統(tǒng)測(cè)溫利用激光脈沖從光纖中的一端進(jìn)入在向前傳播的過程中光纖分子相互作用發(fā)生多種類型的散射其中由于光纖分子的熱振動(dòng)產(chǎn)生一個(gè)比光源波長(zhǎng)長(zhǎng)的光和一個(gè)比光源波長(zhǎng)短的光波長(zhǎng)短的光強(qiáng)度受溫度影響比較敏感從光波導(dǎo)內(nèi)任何一點(diǎn)的兩個(gè)長(zhǎng)短波光信號(hào)強(qiáng)度的比例中可以得到該點(diǎn)的溫度信息利用光時(shí)域反射(OTDR)原理即通過光纖中光波的傳輸速度和背向光回波的時(shí)間對(duì)這些熱點(diǎn)進(jìn)行定位利用以上技術(shù)原理即可實(shí)現(xiàn)對(duì)沿光纖溫度場(chǎng)的分布式測(cè)量

分布式光纖管道泄漏監(jiān)測(cè)原理

油氣管道泄漏時(shí)會(huì)引起泄漏點(diǎn)周圍溫度的變化通過分布式光纖溫度傳感系統(tǒng)可以準(zhǔn)確定位泄漏點(diǎn)在天然氣管線介質(zhì)泄漏受壓情況下氣態(tài)物質(zhì)導(dǎo)致的泄漏點(diǎn)的低溫是由物質(zhì)的物理性質(zhì)工藝條件和周圍環(huán)境所決定的這些點(diǎn)的溫度異常可通過分布式溫度測(cè)量而獲得并有很好的溫度距離和反應(yīng)時(shí)間精度管道本身發(fā)生泄漏事故時(shí)泄漏出的天然氣由于存在壓力會(huì)向管道周圍發(fā)出噴射狀的氣體如果能對(duì)整條天然氣管道在現(xiàn)有的壓力流量探測(cè)技術(shù)基礎(chǔ)上利用沿管道敷設(shè)的通訊光纜接入分布式光纖測(cè)溫傳感主機(jī)就能夠?qū)崟r(shí)探測(cè)到泄漏點(diǎn)并進(jìn)行泄漏點(diǎn)的定位和報(bào)警顯示

分布式光纖測(cè)溫泄漏監(jiān)測(cè)系統(tǒng)產(chǎn)品型號(hào)參數(shù)指標(biāo)

The following parameters are standard parameter display,Can be customized according to customer specific needs,Call us for more timely response:0591-83841511

Classification index
model SRA-D-GD
Measuring distance 0~30Km(Customizable for longer distances)
Number of channels 1~16 (more channels can be customized)
Sampling interval 1rice
Positioning accuracy ±1 meter
Temperature measurement accuracy ±1 degree Celsius
Temperature resolution 0.1Celsius
Single channel measurement time 2s-15s seconds (depending on the length of the temperature-sensitive optical cable)
Fiber Type Single mode fiber
Operating temperature -10℃~50℃
Storage temperature -20℃~60℃
Working humidity 0~95% non-condensation
Maximum working altitude 4000rice
Fiber Optical Interface FC/APC
Temperature measurement range -150℃~350℃ (Special optical fiber)
size(W x H x D) 485 x 88 x 454 mm
Weight 8.5 8.5kg
Communication interface RS232、RS485、LAN、USB
power supply AC220V/50Hz
Laser radiation level 1M

Features of distributed fiber temperature measurement equipment

天然氣管線泄漏安全監(jiān)測(cè)系統(tǒng)采用目前先進(jìn)的管道溫度系統(tǒng)監(jiān)測(cè)技術(shù)僅用天然氣管線中的通訊光纜的一根光纖就可實(shí)現(xiàn)長(zhǎng)達(dá)幾十公里的天然氣管道泄漏定位報(bào)警通過基于通訊光纜的分布式光纖測(cè)溫技術(shù)對(duì)天然氣管線進(jìn)行在線溫度分布監(jiān)測(cè)就能夠通過管道溫度異常點(diǎn)的探測(cè)準(zhǔn)確發(fā)現(xiàn)管道的泄漏點(diǎn)并及時(shí)的進(jìn)行報(bào)警和定位如果天然氣管線發(fā)生泄漏高壓氣體的體積膨脹將引起漏點(diǎn)附近溫度的下降分布式光纖測(cè)溫系統(tǒng)同樣可通過溫度異常點(diǎn)的探測(cè)發(fā)現(xiàn)并定位天然氣管線的泄漏點(diǎn)通過對(duì)天然氣管線進(jìn)行在線的分布式溫度監(jiān)測(cè)并將系統(tǒng)設(shè)備接入管道監(jiān)測(cè)系統(tǒng)局域網(wǎng)通過網(wǎng)絡(luò)信號(hào)可將溫度信息上傳給中央服務(wù)器可在整個(gè)天然氣管線線路發(fā)生管道泄漏以及事故初期階段第一時(shí)間發(fā)現(xiàn)并報(bào)告預(yù)警點(diǎn)的具體位置溫度變化溫度下降走向等信息數(shù)據(jù)為天然氣管線管理部門及其它相關(guān)部門及時(shí)定位分析可能發(fā)生的管道泄漏事故提供可靠堅(jiān)實(shí)的信息獲取手段為天然氣管線系統(tǒng)安全運(yùn)行提供高效的安全保障本系統(tǒng)具有本質(zhì)防爆、Resistant to strong electromagnetic interference、Good electrical insulation、Lightning strike protection、High precision、重量輕、Small size and other advantages,適合在易燃易爆等高危環(huán)境應(yīng)用設(shè)備聯(lián)網(wǎng)后通過載入百度地圖顯示光纜所在位置地圖并設(shè)定中心點(diǎn)可根據(jù)管道的走向在地圖上標(biāo)出光纜走向圖當(dāng)發(fā)生報(bào)警時(shí)界面會(huì)出現(xiàn)一個(gè)彈窗顯示報(bào)警地點(diǎn)報(bào)警時(shí)間等

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