基于msp430单片机的智能水表设计4

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1、摘要传统的人工抄表收费方式已越来越不适应现代化管理的需要。随着电子技术和通信技术的发展，用水管理的自动化和信息化将能得到逐步实现。非接触式IC卡智能水表是一种新型的自动化水表系统，具有非常好的应用前景。本文以智能水表为研究对象，首先对非接触式IC卡智能水表进行了系统的研究;然后以高性能的嵌入式微处理器为核心，采用无线射频(RFID)技术，实现了非接触式IC卡智能水表的设计。主要研究工作如下:(1)根据智能水表的设计需求，研究了智能水表的整体技术方案。对智能水表的硬件系统、软件系统和几个关键技术问题进行了讨论和研究。(2)根据智能水表的性能指标，首先研究了智能水表的总体结构;然后基于嵌入式微处理

2、器8051设计了非接触式IC卡智能水表的硬件系统，实现了硬件系统总体、水流量采集单元、水流量处理单元、IC卡及读卡器单元的设计。(3)进行了非接触式IC卡智能水表的软件设计。包括系统主程序、水量采集单元、阀门控制单元、读卡器单元的软件设计。关键词:非接触式IC卡；智能水表；无线射频技术ABSTRACTThetraditionalmanualmeterreadingwayhasbeenincreasinglyunabletomeettheneedsofmodernmanagement.Alongwiththeelectronictechnologyandthecommunicationdevel

3、opment,thewatermanagementautomationandinformationwillbegraduallyimplemented.Thenon-contactICcardintelligencewatermeterisanewtypeofautomatedwatermetersystem.Ithasaverygoodprospectofapplication.Thisthesisfocusesonthestudyofintelligentwatermetersystem.Firstly,thenon-contactICcardintelligencewatermeters

4、ystemisstudied.Thenwetakethehighperformanceembeddedmicroprocessorasthecore，andusethetechnologyofRadioFrequencyIdentification(RFID),toachievethedesignsofnon-contactICcardintelligencewatermetersystem.Themainresearchresultsareasfollows:(1)Accordingtothedesigndemandofintelligentwatermetertostudythegener

5、alschemeofintelligentwatermeter，theintelligentwatermeter'shardwaresystems,softwaresystemsandseveralkeytechnicalissuesarediscussedandstudied.(2)Accordingtotheintelligencewatermeterperformance,wefirstlystudythegeneralstructureofintelligencewatermeter.Thenbasedontheembeddedmicroprocessor8051.wedesignth

6、ehardwaresystemsofthenon-contactICcardintelligencewatermeter,andrealizethedesignofthehardwaresystemframe,theflowofwatercollectingunits,theflowofwaterprocessingunit,theICcardandthereadingunit.(3)Thesoftwaresystemofthenon-contactICcardintelligencewatermeteraredesigned,includingsystemmainroutine,theflo

7、wofwatercollectingmodule,thevalvecontrolmodule,thereadingmoduleofICcard.(4)Theotherkeytechnologiesofnon-contactICcardintelligencewatermeterwerestudied.Thisthesisfocusesontheresearchanddesignoflow-powe