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1、Abstract中文摘要随着我国经济的飞速发展，电能消耗日益增加，电能成为现代社会国民经济和人民生活的重要保障。本文所设计的新型多功能电子式电能表除了提高计量精确度外还实现了分时计量、对异常情况进行实时监控并记录事件等功能；可提高电能的合理利用，为用户提供公正、公平的用电环境。论文首先综述了多功能电子式电能表的发展现状及电能测量的基本原理，然后给出了系统的设计目标和总体方案，并按功能进行了各个硬件电路单元的设计，包括电源单元、计量单元、功能管理单元、显示单元、通信接口单元等。在软件设计方面，采用模块化软件设计方法实现了有功和无功的能量分时计量、RS
2、485通讯、红外通讯、按键显示、异常检测及记录等功能。文中对三相电能表的抗干扰设计也有很详细的介绍。本三相多功能电子式电能表具有运行稳定、可靠性高、通用性好和抗干扰能力强等优点，适应电表市场的需求。关键词电能计量多功能电子式电能表复费率ATT7022B时钟芯片53AbstractTitleThedesignofthethree-phasemulti-functionmeterAbstractWiththerapiddevelopmentofeconomyofourcountryandgradualincrementofpoweronsumption
3、,electricalenergybecomesthesignificantguaranteeofnationaleconomyandpeople’slifeinmodernsociety.Late-modelpolarityformulamultifunctionwatt-hourmeter,whichdesignedinthispaper,improvesthemeasuringaccuracyandrealizesfunctionsoftime-sharingmeasurementreal-timemonitorexceptionalsitu
4、ationandtakeeventrecordsandsoon.Thiswillimprovethecompletelyutilizationofelectricalenergy,preventshappeningofusingelectricityillegally,andprovidesfairandimpartialenvironmentofusingelectricity.Atfirst,thispapersummarizesthepresentdevelopingstateofmulti-functionelectronicwatt-ho
5、urmeterandthebasictheoryofenergymeasurement,afterthat,itputoutthedesignobjectionandwholeframeofthismeteringSystem.Andthecircuitdesignofeachunitwiththefunctiondivided,includingpowerunit,measureunit,communicationunitetc.Thesoftdesignofthesystemisthepriorityofthispaper,utilizemod
6、ularizationmethodtorealizeactivepower,reactivepower,RS485communication,infraredcommunication,keyboardanddisplay,anomalydetection,electricityreadingmeterandsoon.TheEMCdesignandmeteradjustmethodhavealsobeendiscussed.ThisLate-modelmulti-functionelectronicwatt-hourmeterhastheexcel
7、lenceofrunstability,highreliability,goodcommonalityandstrongabilityofanti-jamming,etc.It’sfitinwiththemarketdemandofthewatt-hourmeter.KeywordsenergymeteringMulti-functionelectronicwatt-hourmeterATT7022Bmulti-ratereal-timeclock53目录目录第1章绪论51.1本课题研究背景51.2电能表的发展及现状51.2.1感应式电表（机械表）
8、51.2.2机电一体式电能表61.2.3全电子式电能表61.2.4多功能电能表现状及发展趋势61.3课题研究目的和意义71
