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1、外文参考资料二:Abstract:Inordertosolvetheweightproblemoftenencounteredinmeasuringthelow-massobjectsinthetradeanddailylifeofthemodernbusiness,thedesignofanewpocket-sizedelectronicscales.Thispocket-sizedelectronicscalesForceSensorgravitysignalsintoelectricalsignalstomeasure,andmeasuringtheresultsofthedigit
2、aldisplay.Thepocket-sizedelectronicscaleswithasmallsize,lightweight,easytocarry,intuitivedisplay,measurementandhighprecision;complexstructure,thecostdisadvantages.Thisarticlefocusesontheloadcellworks,errorcompensation,themainparametersofselection.Andthetechnicalandeconomicanalysis.Keywords:pocket-
3、sizedelectronicscales;weighing;sensor;errorcompensationCLCnumber:TH715.1]signcode:AArticleID:100522895(2007)02201102041AneedsanalysisInmoderncommerceandtradeandeverydaylife,oftenencountertheproblemofmeasuringtheweightofthelow-massobjects.Althoughthetraditionalsteelyardcansolvethisproblem,butinconv
4、enienttocarry,theefficiencyisnothigh,thedisplayisnotintuitiveandlowmeasurementaccuracy;mechanicalspringbalancecansolvethisproblem,buttheinertiainherentlowfrequency,highsensitivity,measurementaccuracyisnothigh.Withtheprogressandupdateofthemicro-computertechnology,integratedcircuittechnology,sensort
5、echnology,electronicscalesrapid12development,ithasaresponsive,highaccuracy,fullyfunctional,thedisplayisintuitive,compact,easytouseandsoon.Forthesereasons,inordertosolvethelow-massobjectsweighingproblem,ifasmallsize,lightweight,portable,digitaldisplayelectronicscales,willbepopular.Discussedbelow,th
6、atis,thescopeofaweighing5kgcompactelectronicscales.2DesignTheprincipleofthestructureofthepocket-sizedelectronicscalesshowninFigure1.Themaintaskistodesigncompactelectronicscalesweighingthechoiceoftheforcesensors.Dynamometersensortypestoachievetheweighinganddigitaldisplay,thekeyistowanttoforce(gravi
7、ty)signalsintoelectricalsignalstomeasuremethodismainlydividedintotwocategories:oneisthedirectmethod,namelytheuseofpressuremagneticsensor,piezoelectricsensor,Piezoresistivesensorsdirectlytotheforcesignalconvertedi