智能化粮库粮食计量与温湿度监控系统的分析

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1、monitoringcenterandtesting&acquisitionmodule．Supervisioncenterwasabletorealizetheserialcommunicationsanddatamanagement，whichcouldshowtheactualsituationofthegrainstoragedirectly．ThemainresearchworkWasasfollows．Firstly,putforwardtheoveralldesignschemeofthesystemandtheintelligentgrainmeas

2、urementandgrainmonitoring&managementsystemisdividedintofourparts：thestudyoffieldsensors、dataacquisitionmoduledesign、datatransfermoduledesignandcentersoftwaredevelopment。Introducehardwareandsoftwareofthesystemandthesystemfunction，givetheoverallsystemflowchart．Secondly,elaborateonworking

3、principlesandapplicationsofultrasonicrangingsensors、digitaltemperatureandhumiditysensors，moisturesensorsanddoorsensorswitch；focusontheintroductionofultrasonicdistancemeasurementsensor’workingprinciple，thecalibrationprocess，analyzethesystem’generationandprocessingofthedetectsignal．Third

4、ly,introducethesystemhardwarearchitectureofdataacquisitionmoduleandmicrocontrollerontheprocessofdesignandimplementationofdataacquisitionandtransmissionmodule，andgivetheflowchartofthedataacquisitionsoftware．Finally,inthedesignofthemasterdeviceandthedetectingandcontrollingmachine，introdu

5、cetheirstructureandcompositionintheentiresystem．Atthesametime，inordertoensurethemeasurementofintelligentgrainstorageandmonitoring&managementsystemoperatereliably,anti-jammingdesign，themeasurementoffood，thesignalacquisitionontemperatureandhumidityandgrainmoisturecontentareaddedhere．TheS

6、UCCESSofthissystemhasagreatreferencesignificancetoearthquakemonitoring，environmentalmonitoring，oilfieldwhichisdistributedtelemetryandtelecontrolsystem．Therefore，thissystemhasabroadmarketprospectKEYWOEDS：Sensingdetectiondevice，ATmega128，Dataacquisitionmodule，Themaincontroldevice，Communi

7、cationmoduleThisprojectsupponedbyAgricullureScienceandTechnologyInnovationinofShaanxiProvince(2010NKC．32)Ⅳ目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．IABSTRACT⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯III1弓I言⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11．1课题研究的背景、目的及意义⋯⋯⋯⋯⋯