摘要
就煤矿井下现用的隔爆按钮以及行程开关、限位开关、打点器、拉线开关、井口开关等进行了统计、分析 ,针对使用中出现的问题提出了改进措施。介绍了WK 81 - 1型矿用浇封型无触点开关和对QC
This article has made statistic and analyses on many types of flameproof button and switches used in coalmine, such as travel switch, limit switch, pull switch,and so on. The author has put forwards on improvement against the problems arisen in uses. The improvement scheme for Type WK81 - I Ex m contactless switch for coal mine and QC83 control circuit for magnetic starter have been present in this paper.
出处
《电气防爆》
2004年第1期40-43,共4页
Electric Explosion Protection
