智能光纤自动监测保护设备的研制  

The Development of Intelligent Automatic Optical Fiber Monitoring and Protection Device

作　　者：韩瑜[1] 窦蓉蓉[1] 张旭苹[1] 

机构地区：[1]南京大学光通信工程研究中心,江苏南京210093

出　　处：《南京邮电大学学报（自然科学版）》2007年第5期90-94,共5页Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition

基　　金：江苏省科技攻关资助项目(BE2002054);江苏省教育厅产业化(JH02-066)资助项目

摘　　要：详细论述了能够实现无阻断通信的智能光纤自动传感监测保护设备。该设备采用1+1保护方式,利用PIN管对光纤通信线路进行光功率实时在线监测。当监测到光纤线路发生故障时,能够利用光开关及时有效地在工作纤和备用纤之间进行自动切换,自动保护倒换时间达到50 m s电信级标准,达到对传输系统设备透明、实现无阻断通信的目的。　In this paper,a type of intelligent automatic optical fiber monitoring and protection device that can achieve uninterrupted communication is introduced in detail.This device obeys the principle of the 1＋1 protection method.By using PIN photoelectric diodes,it provides real-time,on-line optical power monitoring of optical fiber.When malfunctions of optical fiber happen,it can automatically,rapidly and efficiently switch between the working fiber and the protection fiber by using the optical switch.The time of automatic protection switch is within 50ms.This device can make the malfunctions be transparent to the optical transmission devices and achieve uninterrupted communication.

关 键 词：无阻断通信 光纤 自动监测保护 

分 类 号：TN913.33[电子电信—通信与信息系统]