基于霍尔元件与射频技术智能电度表的设计

Intelligent wattmeter’s Design based on hall sensor and RF technology

本文介绍了一种基于霍尔效应与射频技术相结合的数字式预付费电能表系统,分析了利用霍尔效应测量电功率的原理,简述了射频IC卡系统的结构和功能,通过硬件电路与软件结合,构建了一个射频识别技术与预付费电能表系统相结合的售电管理模式,并实现分时段计费,从而提高了电网效能,提高居民用电收费的管理水平,具有很好的实用价值和现实意义。

This text introduces an digital intelligent prepay-wattmeter system based on hall senser and RF technology, analyses the principle of meteraging electric power using hall sensor ,simply illuminates the framework and function of this radio-ICeard system： It combines hardware-based electrocircuit with software,builds a management mode of selling electric power that combines a rodio-identify techmique with of time, Accordingly it improves the efticcency of using electric power ,and impnves the management level of prepay-wattmeter system ,and actualizes calculating the specific electric power changes in different period charging civil electric power . So that it＇s full of practical value and real significance.