振铃信号在遥测站设备维护中的应用及实现  

Application and Realization of Ringing Signal in Maintenance of Three Gorges Remote Terminal Unit

作　　者：刘煜[1] 郑嵬[1] 万韶辉[1] LIU Yu;ZHENG Wei;WAN Shaohui(China Yangtze Power Co.Ltd,Yichang 443133,China)

机构地区：[1]中国长江电力股份有限公司,湖北省宜昌市443133

出　　处：《水电与抽水蓄能》2018年第6期118-122,共5页Hydropower and Pumped Storage

摘　　要：为实现远程对遥测站数据采集器进行远程复位操作,本文设计一种利用遥测站GSM/GPRS信道振铃信号,控制遥测站数据采集器远程复位操作的模块,维护人员通过拨打遥测站的电话号码,就可以远程对遥测站数据采集器复位操作。本文还给出了该数据采集系统的总体硬件设计电路以及各逻辑单元的硬件电路。该控制模块在三峡水情遥测系统的设备维护中发挥显著作用,提高设备维护的效率。In order to realize the remote reset operation to Data Acquisition Unit of Remote Terminal Unit (RTU),this paper designed a control model based on ringing signal to the remote reset operation,technician could realize the remote reset operation to Data Collector by dialing the phone number of RTU.This paper gives the overall design of the hardware circuit of the control model, and the hardware circuit of the logic unit,now the control module plays a significant role in the equipment maintenance of the Three Gorges Hydrological Telemetry System,and improves the efficiency of equipment maintenance.

关 键 词：三峡水情遥测系统 遥测站 数据采集器 GSM/GPRS信道 振铃信号 硬件电路 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]