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| 油气管道位移光纤安全监测技术定位理论及预警信号特征研究 | |
| 引用本文： | 王鹏,李心凯,刘晓彤,杨毅.油气管道位移光纤安全监测技术定位理论及预警信号特征研究[J].工业安全与环保,2012,38(4):37-38,96. |
| 作者姓名： | 王鹏 李心凯 刘晓彤 杨毅 |
| 作者单位： | 1. 中国石油北京油气调控中心 北京100010 2. 中国石油西气东输管道公司 上海200122 3. 北京科技大学材料与工程学院 北京100083 |
| 摘 要： | 管道安全分布式光纤监测系统利用分布式光纤振动传感器两端检测信号的时间差确定管道沿线所发生事件位置,时间差的精度决定对异常事件事发点的定位精度;系统拥有较高的灵敏度,可对1.5 km内敲击、落石、滚石及人工挖掘等威胁管道安全的事件进行报警;事件的定位有一定的误差,对抢修有一定的指导意义。 |
| 关 键 词： | 分布式光纤传感器 管道 定位 灵敏度 |
Study on Orientation Theory and Signal Character of the Distributed Optical Fiber Pipeline Detection and Pre- warning Technology |
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| WANG peng , LI Xinkai , LIU Xiaotong , YANG Yi.Study on Orientation Theory and Signal Character of the Distributed Optical Fiber Pipeline Detection and Pre- warning Technology[J].Industrial Safety and Dust Control,2012,38(4):37-38,96. | |
| Authors: | WANG peng LI Xinkai LIU Xiaotong YANG Yi |
| Institution: | 1(1,Beijing oil and Gas Dispatch and Control Center of CNPC Beijing 100010) |
| Abstract: | Aiming at the issue of pipeline safety,a new distributed optical fiber pipeline leakage detection and pre-warning technology based on Mach-Zehnder optical fiber interferometer is proposed.In this detection system,an optical cable is laid along the pipeline in the same ditch and three single mode optical fibers in the optical cable are used to build up the distributed micro-vibrant measuring sensor in order to detect the vibrant signals led by different abnormal events efficiently.The orientation theory and pre-warning signal character in defferent abnormal events are analyzed.The results showed that by using the new technology the signal of the manual excavation in the 1.5 m scope could be detected. |
| Keywords: | distributed optical fiber sensor pipeline orientation sensitivity |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |