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1前言2015年,合肥电务段承接了合肥——无为间的信号设备维护。根据历年来高铁维修经验,针对合福高铁使用的新铁德奥道岔(CNTT)进行了技术攻关,该道岔对密贴强度要求很高,密贴、缺口的轻微变化都会导致道岔表示故障,只有通过其表示缺口变化量才能够完全映射道岔密贴的强度。为了时时关注缺口变化,缺口视频监测系统应运而生。它可以实时地对道岔表示缺口变化状态进行自动监测。当缺口变化量达到预警、报警的条件时会发出相应的
1 Preface In 2015, Hefei Electricity Company undertook the maintenance of signal equipment between Hefei and Wuwei. According to the experience of maintenance of high-speed railways over the years, we have tackled the technical problems of the new Tiedeao switch (CNTT) used by the HEFF. The switch has high requirements on the close contact strength. The slightest change in the gap will cause the switch to indicate fault. Through its representation of the amount of change in the gap can fully map the strength of the switch close pasted. In order to keep a close watch on the change of gap, a gap video monitoring system came into being. It can automatically monitor the change of status of the switch in the gap in real time. When the amount of change in the gap to achieve early warning, alarm conditions will be issued when the corresponding