用电信息采集系统自动精确对时方法研究

Research on Automatically Accurate Time Method of Electric Information Acquisition

文中通过研究扩展原有通信协议,对采集终端和电能表配置精确对时命令,使采集终端按周期主动与采集系统主站请求时间,并进行自动对时,采集终端精确对时后再对电能表进行精确对时,减轻了采集主站的对时压力,减少了人工远程对时和人工现场对时的工作量,有效提高了计量准确性。

By studying the extension original communication protocol, it orders accurates time clock to data acquisition terminal andwatt-hour meter which makes data acquisition terminal and asks for the time from information acquisition cyclely and automatical pair.It reduce the pressure of the collecting main pair after data acquisition terminal accurating time clock. It does the same to watt-hour me-ter. It also reduces the work of accurating time clock both in artificial remote and at scene of the artificial which improves the measure-ment accuracy effectively.