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1、Subject:DesignofRemoteWirelessReadingMeterSystemBasedonZigBeeTechnologySpecialty:Micro-electronicsandsolidstateelectronicsName:ZhouXin(Signature)Instructor:ZhuXiangdong(Signature)ABSTRACTAtpresent,theheatingsystemisstillextensivemanagementmodeinChina,whichcal
2、culatedheatingarea.Thisapproachnotonlyresultedinawasteofenergy,butisnotconducivetoenergysavingandenvironmentalprotection.Meanwhilethehouseholdmeteringintelligentheatingsystemisemerging,whichisbasedremotemeterreadingsystem.Thearticledescribesthewirelessreading
3、metersystembasedonZigBeetechnology.ZigBeeisanewglobalstandardforwirelesscommunication,withthecharacteristicsoflow-cost,lowPowerconsumption,lowdatarate.Itappliestoindustrialmonitoring,buildingautomation,wirelessmeter-readingandindustrialcontrols.Firstly,thephy
4、sicallayer,MAClayer,networklayerandapplicationlayerofZigBeeprotocolstackareanalysised.BasingonthestudiesofthreebasictopologyoftheZigBeenetworkandCluster-Treeroutingprotocolindetail,thesolutionofadistrictmulit-networkisapplied.Itreplacethetraditionalameteranda
5、ZigBeemoduleoraM-BusandaGPRSmoduleandimprovethestabilityofthesystemandsavecost.Secondly,regionalconcentrator,collectorandelectromagneticvalvecontrolhardwarecircuitaredesigned.ImproveandoptimizetraditionalZigBeewirelessmodulehardwarecircuit.Inordertoincreaseth
6、ecommunicationdistance,aCC2591RFfront-endisdesigned.RegionalconcentratorusestheMSP430F2618asthecoreprocessortoprocesswholeregiondata.MeanwhileelectromagneticvalvecontrolcircuitmaychangeheatpipevalveofstatusbyZigBeewirelessnetwork.Thepowersupplydesigndifferent
7、schemesindifferentplaces.Takingintoaccountlowcost,lowpowerconsumption,smallsize,thelowpowerchipsetsandsmallsizepackagedexternalcomponentsarechosen.Furthermore,circuitschematicsandPCBlayoutisdrawnbyAltiumDesigner10software.Finallydesignsoftwareforwholesystemba
8、sedontheanalysisofZ-Stactprotocolstackarchitecture,networkestablishmentanddatatransmission.Moreovercompletepoint-to-pointtransmissionandanalysispacketbyPacketSniffersoftware.Thetestresult
