智能电度表

INTELLIGENT WATT-HOUR METER

智能电度表是一种由单片机控制的电卡式电度表,它能根据消费者用电卡购买的电量的多少,自动控制用电线路的通断。其主要功能包括:电量的存储和显示,用电量的记录和处理,透支报警和跳闸,电流过载保护,掉电数据保护等。本文详细介绍了它的硬件组成和工作原理。

The intelligent watt-hour meter is a kind of energy meter with electronic card , which is controlled by microprocessor . It can antocontrols to cut or connect the use's circuits , according to the quantity of electricity bought by consumer . The functions include : storing and displaying the quantity of electricity , accounting the numkers of electricity being used , alarming and forbiddening to overtake, and protecting of the useful data when the service interruption . The principle of the meter is intruduced in the article.