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本科生毕业设计（论文）外文翻译毕业设计题目：基于单片机的电子称设计学院：专业班级：学生指导教师：2011年3月9日ElectronicscalesElectronicscalesareweighingtechnologyinanewtypeofinstrumentiswidelyusedinvariousoccasions.Electronicscalesandmechanicalscaleshavemoresmallsize,lightweight,simplestructure,lowpriceandpracticalvalueofstrong,convenientmaintenanceandsooncanbeinavarietyofenvironmentalwork,theweightofthesignalcanbeRemote,theweightofdisplayiseasytoimplementdigital,easy-to-computernetwork,productionautomation,higherlaborproductivity.Scalelabelsinthesupermarketisintheapplicationoffacevalue.Asmalllabelcontains:name,price,weight,etc.11listinthissmallelectroniclabel.Greatlyacceleratedtheuseoflabelmachinesalespace,butalsoconvenientforcustomers.Topbarcodelabelshavemanyremarkablefeaturesofscale,Ethernetfeaturemakesthemanagementmoreconvenient.ElectronicScaleClassification(scalescanbedividedintomechanicalandelectronictype)1．Howitworks:electronicworksinelectroniccomponents(weighingsensor,ADconversioncircuit,microcontrollercircuits,displaycircuit,keyboardcircuitry,communicationsinterfacecircuits,regulatedpowersupplycircuitcircuit.2．usingthefunction:electronicweighingtheuseofmodernsensortechnology,electronicsandcomputertechnologyintegration,electronicweighingdevices,inordertomeetandsolvereallife'sfast,accurate,continuous,automaticweighingrequirements,whileeffectivelyeliminatinghumanerror,tomakeitmoreinlinewiththemanagementoflegalmetrologyandindustrialproductionprocesscontrolapplications.3.Threehealthscalesareweighingtheuseoffeaturesinacategory(dividedintomechanicalandelectronic),inexpensive,itcanhelppeopletoeffectivelymonitortheirownbodyweightchanges,newproductsalsocandetecttheirfatcontent,butalsoSomehuman-orientedsubsidiaryfunctions.Maynotbepartofmeasuringequipment.4．ElectronicScaleisameasurementofthestatecompulsorytestapparatus,andhisqualifiedproductsaretestindexingthevalueofDvaluesofeandsubdivisionstandards,issubjecttotheprotectionofthenationalmetrologyproducts.Intheelectronicweighingthereisacategorycalledhumanscaleproducts,whichcantestinthemeasurementsector,weighingveryprecise.BlockdiagraminterpretationoftheprincipleofelectronicbalanceThefirstpartoftheelectronicscaleprincipleblockdiagram:ProgramK/B(button)↑Fx→Sensors→OPZoom→A/Dconverter→CPU→→displaydriverdisplaymemoryWorkflowNote:Whenanobjectonthepanwhenthepressurefacilitiestothesensorthatoccurreddeformation,sothatresistancetochange,whiletheuseofexcitationvoltagechanges,theoutputofachangeinanalogsignal.ThissignalamplificationbytheamplifieroutputtotheADC.ConvertedtofacilitatetheprocessingofthedigitalsignaloutputtotheCPUoperatorcontrol.CPUunderthekeyboardcommandsandprogramoutputtodisplaythisresult.Untiltheshowsucharesult.Thesecondpartofthescaleoftheclassification:1.Accordingtoprinciplesofpoints:E-scalemechanicalscalemechanicalandelectricalintegrationscales2.Accordingtothefunctionssub:CountingScalesWeighingScalePricingScale3.Purpose:IndustrialCommercialScalesSpecialScalesBalanceThethirdpartofthescaletypes:1.ThefullnameofthedesktopScalereferstothevolumeoflessthan30Kgelectronicscale2.Thefullnameofplatformscalereferstothevolumewithinthe30-300KgElectronicScale3.Loadometerfullnamereferstothevolumeofmorethan300KgElectronicScale4.PrecisionBalance4thPartoftheaccuracyofclassification:IClass:Specialscalesprecision≥1/10WanIIlevel:high-precisionscale1/10000≤precisionof1/100,000III:theaccuracyofscale1/1000≤precisionof1/10000ClassIV:CommonScale1/100≤precisionof1/1000PartVofprofessionalterminology:1.Maximumweighing:anelectronbalance,excludingtareweight,themaximumloadcanweigh;2.Minimumweigh:aelectronicscalesbelowthevaluethatwouldhaveoccurredwhenarelativelyerror;3.safeload:120%ofthenormalweighingrange;4.Ratedload:normalweighingrange;5.permissibleerror:classtestwhenthemaximumdeviation;6.asenseofquantity:asingleelectronicscalescanshowthesmallestscale;usuallydtorepresent;7.analyticcapacity:afunctionwithacountoftheelectronicscales,candistinguishthesmallestscale;8.Resolution:acountingfunctionwithanelectronicscale,theinternalcapacityofaResolutionofaparameter;9.Warm-uptime:ascaleusedtoachievethetargetsofthetime;10.Accuracy:Thefullnameofasenseofvolumeandvolumeratios;11.electronicscaleuseofenvironmentaltemperature:-10degreesCelsiusto40degreesCelsius12.platformscaleThetablesize:25cmX30cm30cmX40cm40cmX50cm42cmX52cm45cmX60cmPartVIelectronicscalefeatures:1.Toachievelong-distanceoperations;2.Toachieveautomaticcontrol;3.Figuresshowthatanintuitive,reducehumanerror;4.Highaccuracyandresolutionstrong;5.Weighingrangeiswide;6.uniquefeatures:buckleweight,withholdingweight,zero,accumulated,warning,etc.;7.maintenancesimple;8.sizeissmall;9.installation,calibrationsimple;10.specialindustry,canbeaccessedbytheprinterorcomputer-driven;11.Intelligentelectronicscale,quickreaction,highefficiency;PartVIIoftheelectronicscaleinspectionprocess:1.First,theoverallexamination:whetherthewearandtear;2.Whethertheboot:thebootsequenceisfrom0to9inturnshowsthatfiguresarevague,canzero;3.Whetherthebacklight;4.withtheweighttestsinweighing;5.chargersisintact,canuse;6.partsarecomplete;Pa