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http://dx.doi.org/10.7731/KIFSE.2016.30.4.027

Study on the Development of Optical Sensor Linear Fire Detection System Using Raman Scattering  

Lee, Gun-Ho (Tae San Electronics Co., Ltd.)
Lim, Woo-Sub (Korea Fire Institute)
Kim, Si-Kuk (Dept. of Fire and Disaster Protection Engineering, Hoseo Univ.)
Publication Information
Fire Science and Engineering / v.30, no.4, 2016 , pp. 27-38 More about this Journal
Abstract
The paper reports the development of a distributed temperature sensing (DTS) system, which is a fire detection system using optical sensor linear detectors that depends on foreign and domestic technologies. This study accordingly analyzed the electrical signal patterns of Raman scattering light mainly used for temperature sensing among back-scattered light generated in optical fiber by using an oscilloscope. Through the measurement results, it could be verified that the Stokes signal patterns had little change by the temperature increase, but the temperature-sensitive anti-Stokes patterns had relative increase of the changes. This study developed a K-DTS system, which is an optical sensor linear fire detection system composed of an optical repeater and a receiver that can detect fires using Raman scattering light. It could be verified that the developed K-DTS system satisfied the type approval standards through the sensitivity tests using the rate of rise type and fixed temperature type sensitivity testers. In addition, performance experiments have been performed for performance evaluation of the K-DTS system developed in comparison with S-DTS system which has been imported from abroad and widely used in Korea. It can be confirmed from the results of the performance experiments using model tunnels that comparable performances can be obtained in fire detection locations and the measurements of fire temperatures.
Keywords
Optical sensor linear detector; DTS system; Raman scattering; Fire detection system; Performance experiment;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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