地电观测外线路自动断线装置研制  

Research on Automatic Disconnecting Device of External Lines in Geoelectric Observation

作　　者：李旭东[1] 陈嵩[1] 龚永俭[1] 张建新[1] 

机构地区：[1]天津市地震局,天津300201

出　　处：《防灾科技学院学报》2011年第2期48-50,共3页Journal of Institute of Disaster Prevention

摘　　要：根据台站多年来地电仪器的雷害情况,分析原因,在原有防雷装置的基础上,增加继电器以切断线路与仪器的连接,有效的阻断了雷电侵入的途径,避免了仪器遭受雷击。Equipment lightning damage of geoelectric observation station in recent years was analyzed.On the basis of the existing lightning protection devices,a relay was added to cut off the connection between equipment and line, effectively blocking the lightning invasion and avoiding lightning damage.

关 键 词：地电 外线路 防雷 

分 类 号：TH762.2[机械工程—仪器科学与技术]