摘要
针对中、小煤矿的技术现状及管理水平，介绍由ＰＣ与载波技术相结合的经济型轨道运输信集闭系统的特点，软、硬件组成原则及功能。
Aiming at the technical situation and administrative level of middle andsmall coal mines,this paper introduces an economical Centralized signal Blocking system forcoal mint tracK transpontation.
关键词
轨道运输
信集闭系统
井下运输
可编程控制器
track transpontation,centralized signal blocking,programmable controller,carrier fransmisslon
