IC卡电度表控制电路设计学生：学号：专业：班级：指导教师：二OO九年六月摘要飞速发展的电力工业对电能的计量与管理提出了更高的要求:先付费、后用电，实施分时电价，实现自动抄表和收费等。IC卡预付费电子电能表应运而生，能够满足上述要求。本论文在大量文献查阅和市场调研的基础上，论述了IC卡预付费电子电能表的工作原理及采用的标准，IC卡的主要技术，论述了电能表的方案设计、电能测量电路芯片的选型及电表控制程序设计中应该考虑的具体技术问题。售电管理系统软件不仅能实现对IC卡和电费的管理，还能实现对生活小区住户及其它各种费用的综合管理，论文详细地说明了售电管理系统的功能分析、模块划分、程序的总体结构、输入输出以及接口设计、数据结构的设计等，并说明了几个主要模块关键技术的实现。因此，预付费电子电能表系统具有广泛的应用前景。关键字:电子电能表；IC卡；预付费；单片机；交流采样ABSTRACTTheelectricindustryhasbeendevelopedatveryfastspeed,itbringsforwardhigherrequirestotheelectricitymanagement.Ithopesthattheusercanprepayelectricitybeforeusingit，time-sharingelectrovalence,copyingthedata’sfromwatt-hourmetersandchargingcanbecayyiedoutautomatically.Inthesecasesthefullelectronicwatt-hourmeterofprepaymentofICcardemerges,itcanbemeetthedemandsofthemanagementabove.Basedonconsultingalotofliteratureandinvestigating，thepaperdiscussedtheprincipleofthefullelectronicwatt-hourmeterofprepaymentofICcard,thestandardandthetechnologyofICcard.Italsodiscussedthedesignofthewatt-hourmeter,thetypeoftheenergymeasurementchipsandthetechniqueproblemsofthecontrolprogram.ThesoftwareofsellingelectricitymanagementsystemcancarryoutnotonlythemanagementtotheICcard,butalsothecomprehensivemanagementofvariousfees.Thepaperexplainedtheanalysisoffunction,modulepartition,programstructure,inputandoutput,interfaceandstructuredesignofthesoftwareindetail.Itstressedthecriticaltechnologyofeachmodule.Thereforethesystemofthefullelectronicwatt-hourmeterofprepaymenthaswidelyapplicationprospect.Keywords：Thefullelectronicwatt-hourmeter；ICcard；Prepayment；Singlechipcomputer;Acsampling目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc232393816"摘要PAGEREF_Toc232393816\hIHYPERLINK\l"_Toc232393817"ABSTRACTPAGEREF_Toc232393817\hIIHYPERLINK\l"_Toc232393818"第1章绪论PAGEREF_Toc232393818\h1HYPERLINK\l"_Toc232393819"1.1IC卡概况PAGEREF_Toc232393819\h1HYPERLINK\l"_Toc232393820"1.2IC卡的分类PAGEREF_Toc232393820\h2HYPERLINK\l"_Toc232393821"1.3IC卡预付费电度表PAGEREF_Toc232393821\h3HYP