本设计研究基于一种电话网络的远程监测系统,整个系统分上位机与下位机,本文完成了上位机实现。下位机所监控的设备分散地分布在较偏远的地区,所以系统采用不受地域限制且覆盖面广的电话网络作为远程信号的传输平台,基于DTMF通信原理实现上下位机的远程通信。上位机系统在接收到故障信息后,经解码通过GSM网络的短信息业务(SMS)向工作人员传送下位机所检测的检故障信息。本文设计的基于电话网络的远程监测系统对实现远程设备的实时监控提供了简单、可靠、经济的解决方案,有一定的现实意义,具有较好的应用前景。 The design and research based on a telephone network remote monitoring system, the entire system points on the host computer and the next crew, this paper completed the host computer. The equipment monitored by the lower computer is dispersedly distributed in more remote areas. Therefore, the system uses the telephone network without geographic restriction and wide coverage as the transmission platform of remote signals, and realizes the communication of upper and lower computer based on the principle of DTMF communication. After receiving the fault information, the host computer system transmits the fault detection information detected by the lower computer to the staff via short message service (SMS) which is decoded through the GSM network. The remote monitoring system based on telephone network designed in this paper provides a simple, reliable and economical solution to the real-time monitoring of remote equipment. It has some practical significance and has good application prospects.