摘要
介绍一个基于LPC2294的多用户多功能智能电能表的硬件和软件实现。主要的硬件结构包括ARM核控制器LPC2294,AD8364等。利用2294的SPI三线串口控制电流和电压传感器读取所测得的电流、电压及电能值。该系统能同时计量几十户居民的用电量,并能与上位机通信和银联系统联网,共同完成对用户的用电管理。该系统具有结构简单、精度高、可靠性高、抗干扰能力强的特点。
The hardware and software implementation of multi - function multi - users electronic Watt - hour meter based on LPC2294 microcontrollers are introduced. The major hardware structures conclude ARM core controller and AD8364. Using the SPI of LPC2294 to control the current and voltage sensor,it can obtain the current,voltage and the electric energy value. The system can measure the electric energy, communicate with the upper monitor. All this can complete the manage of the electric energy. The system has characteristics of simple construction, high precision, high dependable and strong ability of anti -jamming.
出处
《现代电子技术》
2009年第6期158-161,共4页
Modern Electronics Technique
