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1、附录：英文技术资料翻译JournalofJiaozuoInstituteofTechnology(NsturslScience),Vol.20,No.4,Jul.2001英文原文：ThedevelopmentofportabledigitalbalanceGUOSan-ming'ZHENGJun-zhong(Dept,ofElectri.Eng.ofJIT,Jiaozuo454000,China)Abstract:Moreattentionhasbeenpaidonthedevelopmentoftheportabledi
2、gitalbalancewithcommercialworthsincetheusualmeasurershavebeenunpopularsuchaspolebalancespringbalanceandsomeothers.Theschemeoftheportabledigitalbalancewithhighperformanceandlowcostisputforward.Theideasforthesignalprocesscircuitisintroducedandthespeciehardwarecharti
3、smade.Thekeypartsoftheweighsensorelastomerarespecified.Moreovertheproblemstodealwiththecurrentandtheimprovementontheaccurationhavebeensolved.Keywords:digitalbalance;elastomer;poweramplifier;measurementrangeconversion;electricresourceCLC;TH715.1+93DocumentCode:Alit
4、eraturenumber1007-7332(2001)04-0269-040IntroductionDevelopmentofscienceandtechnology,theweighingtechnologyputforwardhigherrequirements,especiallymicro-processingtechnologyandsensortechnology,tremendousprogresshasgreatlyacceleratedthisprocess.Currently,electronicsc
5、alesusedincommercialsaleshavebeenquitecommon,butallkindsofelectronicscalesarewidelyusedinthemarket,therearesignificantlimitations.Theseelectronicscaleslargevolume,highcost,needforfrequencyACpowersupply,andcannotcarry.Popularportableelectronicweighingscalesonthemar
6、ket,ortheyusearodtothespringcompression,tensiledeformationofthespringbalancetoachieve,suchasmetering,measurementerrorislarge,morethanoncespringelasticlimit,itwillgeneratealotoferrors,aswellasdamagetotherodtypescalesarecurrentlygoingoutofthemeteringequipment,theref
7、ore,aminiaturized,canbereplacedinthefuturedevelopmentofuniversalrodscaleselectronicscalesbythepeopleattachgreatimportancetodesignalightweight,easytocarry,accuratemeasurement,intuitivereadingscivilianelectronicscalesimminent.Thisproductisfullyelectroniccircuitdesig
8、n,fullytakingintoaccounttheadvantagesofvarioustypesofelectronicscales,andsmallandportable,measurementerrorissmall(1%),reliable/lowpricesonthecivilianmar
