一体化多参数村镇水质在线监测系统的开发

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1、．一重鏖奎堂堡主堂垡笙壅II英文摘要ABSTRACTWiththecontinuousimprovementoflivingstandards，thewaterresourcesprotectionconsciousnessimprovecontinuously，SOpeoplepaycloseattentiontowaterqualityon-linemonitoringsystemcfresearchanddevelopment，buttownofwaterqualitymonitoringhasbeentheweakestforwaterqualitymonitoringdepart

2、ment．BecauseOurcountryruralareawithregionalisdisperseandrelativelylackofrelatedfacilities，villagesofdrinkingwaterreal—timemonitoringwasbasicallyintheblank．Theformerwaterqualitymonitoring：instrumentwasbasicallytraditionalsingletypeandsample，buttheoperationismorecomplexanddifficulttoachievethechange

3、ofcontinuousmonitoringwaterqualitywiththelimitedapplication．Thispaperdesignsadistributedmonitorsystemwiththecansiderationofthecharacteristicsofthevillages，whichisanintegrationparameterson—linewaterqualitymonitoringsystembaseonvillagesthatCanmakethemonitoringcentercontinuouslyandround--the--clockmo

4、nitoringwaterqualityconditions．ByusinglowpowerconsumptionPIC18F6722MCU，thepaperdesignsamoreintegratedon-linewaterqualityparametersvillagesmonitoringsystem，whichjoinsthedataacquisitioninsitesandremotedatamonitoring．Accordingtothesystem，itcouldrealizethemnctionsofmonitoringanddisplayingwaterqualityp

5、arametersofchlorine，turbidity，temperature，pHvalue，addingcommunicationandothercomprehensivefunctionstogether．Thatthelowconsumptionofcomponentsandtwowireofpowersupplymodeforthewholesystemreducesthepowerconsumption．Themainstudycontentsofthepaperareasfollows：Firstlyitanalyzesthedrinkingwaterprocessand

6、extractsthekeyparameters。Basedontheunderstandingoftheprinciplesofthewaterqualityinspectionandthesensor’Sworkingandthesignalcharacteristicsofvariousparameters，itchoosesappropriatesensor．SecondlyaccordingtotheresukoftheinvestigationtotheperimeteroftheChong—Qingtown，itputsforwardarcl'titectureofinteg

7、rationparameterson—linewaterqualitymonitoringsystemforthevilla．geswiththecombinationofconventionalwaterqualitymonitoringsystemandthecharacteristicsoffield—bus．Thirdlyinlinewiththemonitoringsystemarchitecture，itde