铁路灾害监测系统监控单元雷电冲击试验研究  

Research on Lightning Impulse Test Method of Field Monitoring Unit of Railway Disaster Monitoring System

作　　者：李洋 李博 LI Yang;LI Bo

机构地区：[1]中国铁道科学研究院集团有限公司标准计量研究所

出　　处：《铁道技术监督》2020年第1期17-22,共6页Railway Quality Control

基　　金：中国铁道科学院集团有限公司科研项目（U1534208-1）

摘　　要：监控单元是铁路灾害监测系统的重要组成部分,安置在铁路沿线机房,端口直接与室外设备连接,需要很高的雷电防护水平。依据TB/T 3498—2018《铁路通信信号设备雷击试验方法》的要求,分析铁路灾害监测系统中,监控单元的电源输入输出、数据通信传输、开关量输入输出等端口的功能及接线形式,详细介绍监控单元各外部端口的模拟雷击试验方法,并对试验过程和等级选择进行说明,为验证监控单元外部端口的雷电防护水平提供参考。The monitoring unit is an important part of the railway disaster monitoring system.It is installed in the machine room along the railway,and the port is directly connected with the outdoor equipment,which requires a high level of lightning protection.According to the requirements of TB/T 3498—2018 Lightning test method for railway telecommunication&signaling system equipment,this paper analyzes power input and output of monitoring unit,data communication transmission,functions and wiring form of switch input and output in the system.It explains the simu⁃lated lightning test method for each external port as well as test process and grade selection.It is a reference for verify⁃ing the lightning protection level of the external port in monitoring unit.

关 键 词：铁路防灾 灾害监测系统 监控单元 外部端口 雷电防护水平 模拟雷击试验 

分 类 号：U298-33[交通运输工程—交通运输规划与管理]