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1、WirelesschargingtechnologyoverviewandoutlookOne,thehistoryofwirelesschargingtechnologyactuallyideaofwirelesspowersupplyhaveemergedasearlyasonehundredyearsago,in1890,nikolatesla,thefounderofthemodernalternatingcurrent(ac)systembegantoideaofwirelesspowersupplymet
2、hod,andfinallyputforwardaveryambitiousplan-theearthastheinnerconductor;Betweentheearthandtheionosphereestablishedabout8hzlowfrequencyresonance,recycledaroundtheearth'ssurfaceelectromagneticwavetotransmitpoweratadistance.Atthetime,teslaisaseriesofexperimentsarec
3、arriedoutusingcoil,createdthewirelesspowertransmission.In1990,andteslabeganhisresearch,andtrytomakeelectricitylikebroadcastacrossoceans,afterwardsbecauseofhugeinvestment,thetechnologyof"death".Althoughteslaresearchultimatelynoresults,buthisoriginalwirelesspower
4、technologyideaisboldenough.Second,thedevelopmentofwirelesschargingtechnologyteslacoilatthetimedidn'tget,butinthemid-1920-s,JapaneseH.YagiandS.Udatheoreticallyconfirmedthissolutionisacompletelydifferentfromspecialpowersupplywayofcabletransmission,thewirelesspowe
5、rsupplytechnology,photoelectriccoupling,electromagneticcouplingmainmagneticresonance,etc.Threedifferentways.Apowersupply,thecurrentwirelesspowersupplytechnology,photoelectriccoupling,electromagneticcouplingmainmagneticresonance,etc.Threedifferentways.1,electrom
6、agneticcoupling,electromagneticcouplingforpowerengineers,inthefamiliar,thetransformeristousethisprincipletotransferenergy.Ifseparatetwowindingtransformer,issomethingofawirelesspowersupply.Rechargeableelectrictoothbrushisatypicalcase,buttheuseofelectromagneticco
7、uplingwayhasalotofdisadvantages,nothighmagneticpermeabilityofmagneticcoreasamedium,thelinesofmagneticforcecanleadtoseriousspreadintotheair,resultinginadeclineintransferringefficiency,especiallywhentwocoilfromdownbadly.Sothiswayisonlysuitableforsmallpower,closec
8、ommunication,forhigh-power,long-distancewirelesspowersupplyisnotsogoodthisway.2,photoelectriccouplingphotoelectriccouplingistoconvertelectricalenergytolightenergy,suchaslase
