关于对海外高速动车组受电弓监控屏图像黑屏故障的研究分析及对策

Research and analysis of the failure of pantograph monitoring screen of overseas high-speed EMU

摘要

针对海外高速动车组受电弓监控屏黑屏故障，研究视频监控系统电路控制原理，调查分析车厢之间网络传输协议，对比海外动车组时间叠加信息转发逻辑与国内标准动车组的差异项点。分析为网络环境路由信息较大出现踩踏，摄像机无法向监控屏目的地址发送数据，导致数据传输出现异常，监控屏发生黑屏现象。并提出该类故障解决方案，为同型号动车组受电弓监控屏黑屏故障检修提供参考，提高动车组运行安全性和可靠性，减少受电弓高压部件安全隐患的发生，保证产品质量。

Abstract

In view of the failure of the pantograph monitoring screen of overseas high-speed EMU, the circuit control principle of video monitoring system is studied, the network transmission protocol between carriages is investigated and analyzed, and the difference between the time superposition information forwarding logic of overseas EMU is compared with the domestic standard EMU is compared. The analysis is that the routing information of the network environment is trampled, and the camera cannot send data to the address of the monitoring screen, resulting in abnormal data transmission and black screen on the monitoring screen. This kind of fault solution is put forward to provide reference for the fault maintenance of the pantograph monitoring screen of the same type of EMU, improve the operation safety and reliability of the EMU, reduce the occurrence of potential safety risks of the pantograph parts, and ensure the product quality.

关键词

高速动车组 / 视频监控服务器 / 弓网监控摄像机 / 故障处置

Key words

high-speed EMU / video monitoring server / bow network surveillance camera / troubleshooting

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