电子式单相电能表

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1、ADE7755的二时段单相数字电能表设计摘要Abstract目录第一章绪论·········································1.2课题研究背景及意义····························1.2.1课题研究背景····························1.2.2课题研究意义····························1.3数字电能表的发展和现状························1.3.1电能表发展历程····················

2、······1.2.1数字电能表未来发展趋势··················1.3本文主要研究内容·····························第一章电能计量原理及多功能电能表通信规约的介绍·····2.1数字电能表的电能计量原理和方法············2.2多功能电能表通信规约的介绍················2.3本章小结································第二章基于ADE7755的计量模块硬件设计·············3.2电能计量芯片ADE7755的简介····

3、·········3.2.1功能简介及功能框图·················3.2.2外部引脚及其功能说明················3.2电能计量过程介绍························3.2.1ADE7755工作原理···················3.2.2电能计量电路设计····················第一章单相数字电能表的系统硬件设计··············1.2系统的总体设计····························1.2.1系统总体设计思路··········

4、·············1.2.2电能计量电路的基本组成·················1.3电源模块设计······························1.4控制模块设计·······························5.1.1单片机8051简介························5.1.2控制电路设计························1.2LCD显示模块设计···························5.1.1LCD显示器工作原理简介············

5、··5.1.2芯片1602简介························5.1.3显示电路设计·························1.3通信接口模块设计····························5.1.151单片机的串行通信基础·········5.1.2RS232串行口标准简介··············5.1.3MAX232简介························5.1.4通信接口电路设计····················1.2数据存储模块设计··············

6、············5.1.5芯片24C02简介·····················5.1.6存储模块电路设计···················1.3时钟芯片································5.1.7DS1302简介5.1.8时钟电路设计第一章单相数字电能表的系统软件设计·············5.1软件集成开发环境简介·········5.1.1KeilC51μVision3介绍5.1.2编程语言选择5.2数字电能表系统软件的总体设计············5.3系统软件主程序

7、设计······················5.4电能计量模块····························5.5LCD显示模块······························5.6数据存储模块······························5.7时钟芯片································5.8第一章课题结论与展望···························参考文献········································绪论1

8、.1课题研究背景及意义1.2.1课题研究背景传统的感应式机械电能表从1890年发明以来已经有一百多年历史,虽然经过多方面改进,但仍然存在个突出问题:①工作不稳定,精度低,内部的转动元件难免产生机械磨损,使电能表测量误差越来越大;②体积庞大,价格昂贵;③由于构造原理的问题,很容