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Electronicscalesareweighingtechnologyinanewtypeofinstrumentiswidelyusedinvariousoccasions.Electronicscalesandmechanicalscaleshavemoresmallsize,lightweight,simplestructure,lowpriceandpracticalvalueofstrong,convenientmaintenanceandsooncanbeinavarietyofenvironmentalwork,theweightofthesignalcanbeRemote,theweightofdisplayiseasytoimplementdigital,easy-to-computernetwork,productionautomation,higherlaborproductivity.Scalelabelsinthesupermarketisintheapplicationoffacevalue.Asmalllabelcontains:name,price,weight,etc.11listinthissmallelectroniclabel.Greatlyacceleratedtheuseoflabelmachinesalespace,butalso

convenientforcustomers.Topbarcodelabelshavemanyremarkablefeaturesofscale,Ethernetfeaturemakesthemanagementmoreconvenient.

ElectronicScaleClassification(scalescanbedividedintomechanicalandelectronictype)

1Howitworks:electronicworksinelectroniccomponents(weighingsensor,ADconversioncircuit,microcontrollercircuits,displaycircuit,keyboardcircuitry,communicationsinterfacecircuits,regulatedpowersupplycircuitcircuit.

2usingthefunction:electronicweighingtheuseofmodernsensortechnology,electronicsandcomputertechnologyintegration,electronicweighingdevices,inordertomeetandsolvereallife's\weighingrequirements,whileeffectivelyeliminatinghumanerror,tomakeitmoreinlinewiththemanagementoflegalmetrologyandindustrialproductionprocesscontrolapplications.

Threehealthscalesareweighingtheuseoffeaturesinacategory(dividedintomechanicalandelectronic),inexpensive,itcanhelppeopletoeffectivelymonitortheirownbodyweightchanges,newproductsalsocandetecttheirfatcontent,butalsoSomehuman-orientedsubsidiaryfunctions.Maynotbepartofmeasuringequipment.

4ElectronicScaleisameasurementofthestatecompulsorytestapparatus,andhisqualifiedproductsaretestindexingthevalueofDvaluesofeandsubdivisionstandards,issubjecttotheprotectionofthenationalmetrologyproducts.Intheelectronicweighingthereisacategorycalled\products,whichcantestinthemeasurementsector,weighingveryprecise.

BlockdiagraminterpretationoftheprincipleofelectronicbalanceThefirstpartoftheelectronicscaleprincipleblockdiagram:

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ProgramK/B(button)↑Fx→Sensors→OPZoom→A/Dconverter→CPU→→displaydriverdisplaymemory

WorkflowNote:Whenanobjectonthepanwhenthepressurefacilitiestothesensorthatoccurreddeformation,sothatresistancetochange,whiletheuseofexcitationvoltagechanges,theoutputofachangeinanalogsignal.ThissignalamplificationbytheamplifieroutputtotheADC.ConvertedtofacilitatetheprocessingofthedigitalsignaloutputtotheCPUoperatorcontrol.CPUunderthekeyboardcommandsandprogramoutputtodisplaythisresult.Untiltheshowsucharesult.

Thesecondpartofthescaleoftheclassification:1.Accordingtoprinciplesofpoints:E-scalemechanicalscalemechanicalandelectricalintegrationscales2.Accordingtothefunctionssub:CountingScalesWeighingScalePricingScale3.Purpose:IndustrialCommercialScalesSpecialScalesBalance

Thethirdpartofthescaletypes:1.ThefullnameofthedesktopScalereferstothevolumeoflessthan30Kgelectronicscale2.Thefullnameofplatformscalereferstothevolumewithinthe30-300KgElectronicScale3.Loadometerfullnamereferstothevolumeofmorethan300KgElectronicScale4.PrecisionBalance

4thPartoftheaccuracyofclassification:IClass:Specialscalesprecision≥1/10WanIIlevel:high-precisionscale1/10000≤precisionof\/100,000III:theaccuracyofscale1/1000≤precisionof\Scale1/100≤precisionof\

PartVofprofessionalterminology:1.Maximumweighing:anelectronbalance,excludingtareweight,themaximumloadcanweigh;2.Minimumweigh:aelectronicscalesbelowthevaluethatwouldhaveoccurredwhenarelativelyerror;3.safeload:120%ofthenormalweighingrange;4.Ratedload:normalweighingrange;5.permissibleerror:classtestwhenthemaximumdeviation;6.asenseofquantity:asingleelectronicscalescanshowthesmallestscale;usually\torepresent;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;

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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;PartVIIIsensortype:1.Resistive:affordable,highaccuracy,widelyused;2.Capacitive:smallsize,lowprecision;3.Maglev-style:specialhigh-precision,highcost;4.Hydraulicformula:thecurrentthemarkethasbeeneliminated;DisplayType:1.LCD(liquidcrystaldisplay):freeelectricity,energy-saving,withbacklight;2.LED:freeelectricity,powerconsumption,verybright;3.Lamp:electricity,powerconsumption,high;K/B(button)type:1.filmbutton:contacttype;2.mechanicalbuttons:madeupofmanyindividualcombinationsofkeystogether;sensorcharacteristics:1.ratedload;2.outputsensitivity;3.non-linear;4.hysteresis;5.repeatable;6.creep;7.12:00outputeffects;8.ratedoutputtemperature;9.12:00input;10.inputimpedance;11.output

impedance;12.InsulationResistance;13.toallowexcitationvoltage;(5-18V)PartIXsensordamagedphenomenon:1.Weighingnotallowed;2.Showsnoreturntozero;3.Showsthenumberofbouncetojudgethesensor+E,-E,+S,-S1.Thefirsttouseresistanceprofilemeasurement4-line22Thisresistancevalue,atotalof6groups.Thecaseof400-450,comparedwithEurope+E,-E;ifitis350inEurope,comparedto+S,-S;forthe290inEurope,comparedtoR-arm;2.+E,-Eterminatedonthe+_5Vvoltage

Sensorcorrectlytoexertapressure,suchastheoutput+_Sincrease,thentheredtablepensas+S,thecontrary-S;10thpartofthehigh-precisioncountingscalefeatures:1.Kg/Ibunitconversionfunctions;2.12:00displayrangeadjustmentfunction(GLHseriesdoesnot)3.Samplingspeedadjustmentfunction;4.Thereare10groupsmemoryfunctionsinglet;5.maybeatthesametimetheweight,quantity,thecumulativefunction(GLHonlythenumberofcumulative)6.cansettheweight,themaximumamountofwarningfunction;7.automaticzerotracking,temperaturelinearcorrection;8.deductionofwithholdingheavyweightandfunction;9.Standbyfunction;10.thereiszeroshowszerotrackingrangeandscope;11.thereisthebatteryvoltagecontroltolimitthefunction;Electronicscalesareweighingtechnologyinanewtypeofinstrumentiswidelyusedinvariousoccasions.Electronicscalesandmechanicalscaleshavemoresmallsize,lightweight,simplestructure,lowpriceandpracticalvalueofstrong,convenientmaintenanceandsooncanbeinavarietyofenvironmentalwork,theweightofthesignalcanbeRemote,theweightofdisplayiseasytoimplementdigital,easy-to-computernetworking,processautomationofproductionandimprovelaborproductivity.ElectronicScalealsohasanautomaticzerotracking,overloaddisplayofself-extinguishingcharacteristics.

Mechanicalscales,floorscale/landinthevalue(carvalue),weigh-bridgesandotherfittedforce-sensitivesensorsandmicrocomputer-controlled

intelligentweighinginstrumentsbecomeintelligentdigitalelectricaland

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mechanicalbalance(orthemechanicalandelectricaldual-usescales),toimprovethemechanicalbalanceofthemeasurementaccuracy,withlowcost,high

reliability,simpleinstallationandsoon,withoutprejudicetotheoriginalmechanicalscalestoanytransmissionbearingstructure.Therearepeeled,settozero,thecumulativenumberoftimes,thecumulativeweight(cumulativeamountofvaluation-based),auto-zeroing,auto-trackingandotherfunctions.Weighingdatacanbedirectlyprintedortransmittedviacomputernetworks,industrialprocessescanimprovethelevelofscaleandproductquality,tradeclearingwiththescalecanimprovethecredibilityofincalculablesocialandeconomicbenefits.

ElectronicScaleisbasicallyasensor,amplifiercircuit,A/Dconversioncircuit,microcontrollercontrolofdisplayparts,switchmatrixcircuit,thekeyboardcircuitandpowercircuit.Weightsensorsignalsareconvertedtoacorrespondingelectricalsignal,afteramplifiedintotheA/Dconvertedintopulsesweight,throughtheSCMunderthecontroloftheanalogvoltagesignalsintodigital.ThedigitalconversionbytheSCMprograminlinewiththeactualweightofthevalueofsendingthenumberofdisplaywindows.

MCUatthesametimethekeyboardandswitchmatrixformonitoring.Accordingtotheinputparametervalues,theprogramhandledaccordingly.Powercircuittoprovidethevariouspartsoftheoperatingvoltage.Microprocessorssuchas8050,HD404418F,8031,etc.CPU.Highlyversatilemotherboard,differentvaluesofrangeandsub-degreescales,justadjustthejumpersonthemotherboardandtheDIPswitchcanbeachieved,theonlydifferenceisthatthesensorusedwitharatedcarryingcapacity

Sensorisaphysicaldeviceorbiologicalorganthatcandetectandfeeltheoutsideofthesignal,physicalcondition(suchaslight,heat,humidity)orchemicalcomposition(suchassmoke),andDiscoveryofinformationtootherdevicesororgans.Definitionofsensor

NationalstandardGB7665-87sensorisdefinedas:\feeltherequirementsaremeasuredandconvertedinaccordancewiththelawsofcertainsignaldeviceordevicesavailable,usuallycomposedofsensitivecomponentsandconversiondevices.\Sensorisadetectiondevice,canfeeltheinformationbeingmeasured,andcandetectsenseofinformation,accordingtocertainlawsoftransformationintoelectricalsignals,orotherformsofinformationrequiredforoutputtomeettheinformationtransmission,processing,storage,display,recordingandcontrolrequirements.Itistheautomaticdetectionandcontroloftheprimarylink.

Theroleofsensor

Peopleinordertoobtaininformationfromtheoutsideworldmusthelpofsenseorgans.Andrelyonpeople'sownsenseorgans,thestudyofnaturalphenomenaandlaws,andproductionactivitiesintheirfunctionsonfarenough.Tomeetthissituation,weneedsensors.Itcanbesaidsensorisanextensionofhuman

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senses,alsoknownaselectronicfeatures.

Thearrivalofthenewtechnologicalrevolution,theworldenteredtheinformationage.Inthecourseoftheuseofinformation,wemustfirstresolveistoobtainaccurateandreliableinformation,andsensorsistoobtaininformationinthefieldofnaturalandproductionofthemainwaysandmeans.

Inmodernindustrialproduction,especiallyautomatedproductionprocess,theuseofvarioussensorstomonitorandcontrolthevariousparametersoftheproductionprocess,sothatdevicesworkbestinthenormalstateorcondition,andtoachievethebestqualityproducts.Thereforewecansay,withoutalargenumberofgoodsensors,modernproductionbasewillbelost.

Inthebasicscienceresearch,amoreprominentpositionsensor.Thedevelopmentofmodernscienceandtechnologyintomanynewareas:forexample,thousandsoflightyearstoobservethemacrolevelofthevastuniverse,toobservemicroscopicallysmallparticlescmtheworld,vertical,toobservetheevolutionoverhundredsofyearsofcelestialbodies,ashortresponsetothesmoment.Inaddition,therewasevenamatterofdeepeningunderstanding,developingnewenergy,newmaterials,playanimportantroleinavarietyofextremetechnologysuchasultra-hightemperature,ultra-lowtemperature,highpressure,ultra-highvacuum,powerfulmagneticfield,ultra-weakmagneticbagging,etc..Obviously,toobtainalargenumberofhumansensescannotdirectlyaccesstheinformation,

Notcompatiblewithsensorsisimpossible.Manybasicscientificresearchobstacles,firstofalltoobtaini