摘要
介绍一种利用现有的普遍存在的低压电力网和公共电话网作为数据采集与传输通道 ,并应用扩频技术的低压电力线载波远程抄表系统的结构、工作原理、设计方案和实现方法等。该系统具有实施简单、使用面广等显著的特点 ,适合我国当前的国情 ,具有较高的实用价值和良好的应用前景。
Using the current secondary voltage power line and the public telephone network for the data sampling and the transmitting channel, the structure, principle, scheme and the implementation of the system for the remote reading with the secondary power line carrier of the expanding frequency technology are introduced. This system has the feature of sinple implementation, wide use and suits the situation of our country. It has high value in practice and wide prospect in use.
出处
《信息技术》
2003年第6期49-51,共3页
Information Technology
关键词
电力线载波
远程抄表
扩频技术
power line carrier
remote reading
expanding frequency technology