光纤安全预警系统在长输管道应用探讨  

Discussion on Application of Optical Fiber Safety Pre-warning System in Long-distance Transportation Pipeline

作　　者：范振业 Fan Zhenye(Sinopec Petroleum Engineering Corporation,Dongying,257026,China)

机构地区：[1]中石化石油工程设计有限公司,山东东营257026

出　　处：《石油化工自动化》2025年第2期47-50,共4页Automation in Petro-chemical Industry

摘　　要：光纤安全预警系统采用光纤散射传感技术,基于拉曼散射可实现温度监测;基于布里渊散射可实现温度监测和应变监测;基于瑞利散射可实现振动监测。通过对光纤温度、应变及振动监测,可实现管道泄漏、管道周围土体形变及第三方入侵的实时监测、预报警及事件定位。介绍了该预警系统的基本原理,分析并探讨了该预警系统在管道工程中的应用方案、系统架构、工程难点。试验工程的应用证明该预警系统适用于长输管道,可起到较好的管道保护效果。The optical fiber safety warning system uses optical fiber scattering sensing technology,which can achieve temperature monitoring based on Raman scattering,temperature and strain monitoring based on Brillouin scattering,and vibration monitoring based on Rayleigh scattering.By monitoring the temperature,strain,and vibration of optical fiber cables,real-time monitoring,pre-warning and accident location of pipeline leakage,soil deformation around pipelines,and third-party intrusions can be achieved.The basic principles of the pre-warning system are introduced.The application scheme,system architecture and engineering difficulties of the pre-warning system in pipeline engineering are analyzed and discussed.The application of experimental engineering has indicated that the pre-warning system is suitable for long distance pipelines,and can achieve good pipeline protection.

关 键 词：光纤传感 光纤安全预警系统 光散射 瑞利光时域反射技术 管道保护 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]