一种基于扩频技术的远程自动抄表系统

A remote automatic meter reading system based on spectrum-spread

电力线载波通信是一种经济、方便的数据传输方式.文中给出了一种新的基于扩频技术的远程自动抄表系统.首先介绍一种在低压配电线上实现数据传输的调制解调芯片PL2101,包括其工作原理、功能特点,并且对电力线远程抄表的组成进行了分析.然后对PL2101在自动抄表中的应用(包括硬件与软件流程)进行了说明.

Power line carrier is an economic and convenient data transmission technology.A remote automatic meter reading system was provided on the basis of spectrumspread.An integrated circuit pl2101 was introduced.It can be implemented in data transmission in the low voltage distributor, including its function and working process.Then the function of the remote reading system on power line was analyzed.Finally,the application of pl2101 used in remote record system was introduced,including its hardware and software process.