利用电话线载波的煤矿多路信号遥测系统  

Multi channel Signal Telemetry System for Coal Mines with Carrier Wave Transmitted by Telephone cable

作　　者：钟道昌[1] 

机构地区：[1]山东矿业学院,山东泰安271019

出　　处：《煤矿自动化》2000年第1期20-21,共2页Coal Mine Automation

摘　　要：介绍了利用煤矿电话线传输载波的多路信号遥测系统的电路组成以及利用ＬＭ３３１ 和ＴＬ０８２ 等设计的精密Ｖ／Ｆ转换电路，并针对系统调试和运行过程中出现的问题及采取的措施进行了分析。Here introduced is the circuit composition of coal mine multi channel signal telemetry system with carrier wave transmitted through telephone line and precise V/F conversion circuit designed with LM331 and TL082. Problems encountered in system commissioning and execution and the measures adopted are analyzed.

关 键 词：煤矿 信号 遥测 电话线 传输载波 多路信号 

分 类 号：TD655.1[矿业工程—矿山机电] TD676