搜索
本科毕业设计（论文）中英文对照翻译院（系部）机械与动力工程学院专业名称测控技术与仪器专业年级班级11级学生姓名你猜指导老师2015年5月15日个人翻译作品，尊重版权2201O2ndInternationalConferenceonIndustrialandInformationSystemsCircuitDesignofElectronicWeighingSystemAbstract-theelectronicdocumentisalivetemplate.ThevariouscomponentsofyourpaperarealreadydefinedonElectronicScaleisakindofequippedthatwithelectronicweighingscaledevice,alsowidelyusedincommercialsales.fromthe20thcentury,themid-60'sanalogelectronicscalesimulationofthedevelopmentandproduction,experiencedasimulatedelectronicscales,digitalelectronicscalesandelectronicscalescomputerinthreestages,functionsincludingsettingvariousparameters,automaticprocessingandgrossweight,netweight,tareweightandtiredoftheshow,suchasvalue-addedParametersettingsinordertomanageandconveniencecomeswiththetopcomputerserialcommunicationinterface.Inthispaper,quantitative-orientedpackagingweighingcontrol,bothathomeandabroadfromthedesignofprogrammableweighingcontroller,weighinggivenprogrammablecontrollerdesignoptionsandtechnicalindicators,basedontheC8051F020developmentofasingleenhancedweighingtheprogrammablemachinecontroller.thisarticlegivesadetailedweighingcontrollerdesignmethod,accordingtotheingredientsofthetechnologicalrequirementsofproductiontheuseofsingle-chip.microprocessordesign,integratedsetofnewmeasurementandcontrolweighingcontrollerforautomaticweighing,batchingcontrolandon-linemonitoringandcontrol,haveahighcostperformance,andhaveaperfectprogrammablefunctions,isasetweightcontrol,programmablecontrol,weighinginonetransmissiontofacilitatetherealizationofprecisecontrolofcomplexmufti-functionweighingcontroller.BatchingControllerisdesignedwiththehighreliability,stronganti-interferenceability,cost-effectiveandcompactsize,full-featuredandsoon,itcanbeusedasastand-aloneinstrument,anditcanbeusedasembeddedinstrumentationthroughtheRS-232astandardinterfacewiththetop485industrialunitsinconjunctionwithnetworks.Keywords-Controlled;Electronicscales;C8051F020;Weighing;Programmable.I.INTRODUCTIONSincetheappearanceofmechanicalandelectricalinstrumentsinChinasincetheearly60's,passesthough40yearsofconstantinnovation,improvingandperfecting,ithasalreadyreachedelectronicweighingelectronicweighingapparatus,makingtechnologyandapplicationdevelopedrapidly.Becauseofthedomesticdevelopmentandmanufacturinglevel,instruments'technologycontentandfunction,especiallyinweighingprecision,networkcommunication,etccomparedbysomegapsisabroad.Developmentofafunctionofperfectingprogrammablecontroller,个人翻译作品，尊重版权3weighingwithhighprecisionandreliabilityinuseweighed.Userscanneedaccordingtooneselftoprepareworkingprocess,canbeeasilyrealizedthecomplexinuseprocesscontrol,easytooperateinterface,throughthekeyboardandLEDdisplaytofinishparametersSettings,data,programmingandweighingsuchvariousindustrialsiteoperation,completecontrolofthevariousrequirements.Inaddition,thecontrollertosatisfyrequirementofmeasurement,automaticweighingshouldnotonlygiveweight,butalsobecauseofitsinformationmanagementandcontrolfunctions,andprovidethescreendisplayfunction.Oneofthewaystosolvethisproblemistodevelopasatisfyrequirementofprintedcircuitboards,weighingsystems,electroniccomputersdirectlyinto,weighingdisplayingcontrollerandcomputerintegration.hispaperpresentsweighingcontrollerdesignmethods,accordingtotheproductionrequirements,ingredientsandsingle-chipmicrocomputercontroldesign,measurementofweighingcontroller.II.SYSTEMDESIGNThispaperexpoundsprogrammableweighingcontrollerdesignschemeforweighingcontrolinstrument,themainperformanceindexesandthefunctionalmodulesofthedetailedinstructions.Theworkingprincipleofelectronicisincarryingontheroleofthesize,qualityorforcebyweighingtransducerandconvertsthesignal,andisproportionaltotheamountinanalogordigitalformsinweighinginstrumentdisplayed.Electronicweighingtransducer,weaksignalbydigitalfilterandamplificationandhighA/DconverterandMCUandmonitor.III.SYSTEMPRINCIPLESDirect-currentPowerSupplyLEConnectUSMAX23A.Theoverallschemeofhardwaresystemdesign1)Thecoreselection,minimumsystemconstructionofMCV2)AIDconversionchipselectionanddesignofthecircuit3)Keydisplaymoduleselectionandcircuitdesignofchip.4)Theserialcommunicationinterfacechipselectionandcircuitdesign(includingRS-232andRS-485interface)5)Powersupplymodulechipselectionandcircuitdesign.B.MCVSectionIntheconceptualizationsurveycontrolmeasuringappliance,themonolithicintegratedcircuitisitshardcore.,thissystemhasselectedCIP-51finallytheseriesC8051F020monolithicintegratedcircuit.C8051F020isthecompositesignalsystem-levelMCUchipwhichintegratescompletelyhas64digitalI/Opin.e.AIDconversionmoduleConsideringtheotherpartoftheinterferencecausedbyDecember,A/Dcannotmeetthesystemaccuracy.Soweneedtochoose14orhigheraccuracyoftheA/D.SpecificsolutionsdoubleintegraltypeA/Dconverter:ICL7135,ICL7109.HerewechoseICL7135.InthiswehavechosenICL7135.Moreoverwehaveintroducedtheore-amplificationandthefilterweighingsensor's个人翻译作品，尊重版权4outputfortheantigamblingfortheweaklowfrequencydifferencesignal.C.TheserialcommunicationmoduleThisinstrumentwithRS-232interfaceandRS-485interfaces,compl