具有GPS时钟电路的数据集中器研究

Study on the Data Concentrator with GPS Clock Circuit

具有GPS时钟电路的数据集中器,主要由双CPU数据采集、存储和传输电路、软件狗电路、电压监控电路、调制解调器和GPS时钟电路组成。给出了双CPU电路和软件狗电路的工作原理图,介绍了采用GPSOEM接收板的日期与时间电路的设计思路和编程方法。该数据集中器已应用于基于公用电话网的配变参数远程抄表系统。

The data concentrator with GPS clock circuit mainly consists of dual-CPU data acquisition, storage and transmission circuits, dongle circuit, voltage monitoring circuit, modem and GPS clock circuit. The operational principles of dual-CPU circuit and dongle circuit are given, and the design concept and programming method of date and time circuit using GPS OEM receiver board are introduced. This data concentrator has been used in remote distribution transformation parameters remote meter reading system based on public switched telephone network.