光纤Sagnac干涉仪在智能预警系统的应用研究

Application of fiber optic Sagnac interferometer in intelligent early warning system

针对电力系统高危险性场景远程监管、野外无人值守等问题,本文基于光纤干涉原理对光纤扰动信号识别、入侵快速判定算法、干扰位置定位等技术进行分析,并结合视频监控、声光报警等多种安防系统关键技术,提出了基于光纤萨格纳克干涉仪的周界安防智能预警系统架构,该系统具备性能稳定、敏感度高、反应及时等重要特性,有效地解决了传统预警系统存在的抗干扰能力差、误报率高等问题,可实现电力系统周界全天候、无间歇的智能化集中管控,实现系统入侵、安全事故信号自动识别和辨识、远程自动报警、入侵行为恐吓等功能。本文所构建的周界安防智能预警系统丰富了光纤萨格纳克干涉仪在智能预警系统中应用,可有效提升我国电力系统远程、无人监控的智能化水平。

In order to solve the problems of remote supervision of high-risk scene in power system and unattended field,this paper analyzes the technology of fiber disturbance signal recognition,fast intrusion detection algorithm and location of interference based on fiber interference principle,combined with the key technologies of video monitoring,sound and light alarm system,an intelligent early warning system architecture of perimeter security based on fiber-optic Sagnac interferometer is proposed.The system has stable performance,high sensitivity,timely response and other important characteristics,effectively solve the traditional early warning system of poor anti-interference ability,high false alarm rate,etc.The utility model can realize all-weather and non-intermittent intelligent centralized management and control of power system perimeter,and realize the functions of system intrusion,automatic identification and identification of security accident signals,remote automatic alarm,intrusion behavior intimidation,etc.In this paper,an intelligent early warning system for security protection in perimeter has been constructed,which enriches the application of fiber-optic Sagnac interferometer in Intelligent Early Warning System.