各种灯头资料

CommonLightbulbbases,Edisonscrew-E27,E14,ThedesignationExxofEdisonScrewreferstothediameterinmillimeters,e.g.E12hasadiameterof12mm.IntheUSthestandardsizeisE26,althoughE12isusedforcandelabrafixturesandE10onsomeChristmaslights.E17isalsocommon,especiallyinsometablelamps.Inmostcountrieswhichuse230-240voltsACdomesticpower,E27andE14arecommonsizes.Largersizes(E39,E40)areusedforhigherpoweredlighting,generallyforlampsofover250watts.,2,3,Edisonscrew-E27,E14,EdisonScrewbasesfittingstable,Source:Wikipedia(2008),4,Source:,Edisonscrew-E27,E14,BayonetcapsB15,B22,BayonetbasesorcapsareoftenabbreviatedtoBC,oftenwithanumberafter.Thenumberreferstothediameterofthebase,e.g.BC22isa22mmdiameterbayonetcaplamp(B22d).BC15,a15mmbase,canalsobereferredtoasSBCstandingforSmallBayonetCap(B15d).,5,Asetofbayonetmount,Source:Wikipedia(2008),6,Bayonetbasesfittingstable,Source:Wikipedia(2008),BayonetcapsB15,B22,GU5.3,GU10,Mostcommonhalogenspotlightareeitherpushfit(GU4orGU5.3),lowvoltagetypeortwistandlock(GU10orGZ10)mainsversions.TherearesubtledifferencebetweenGU10andGZ10.TheGU10hasabevelaroundthebasebuttheGZ10hasasquarecorner.ThisstopstheGZ10beingusedinafittingdesignedforaGU10butallowstheGU10tobeusedineither.,7,GU5.3,GU10,8,Source:,GU5.3,GU10,GU24,GU24basesocketsweredesignedtoworkwiththenewLVS(LineVoltageSocket)developedundertheauspicesofENERGYSTAR.Thatsocketisonlyusedforenergy-efficientCFLbulbs,9,MR11,MR16,MR11isacodeddesignationinwhichMRstandsforMultifacetedReflectorand11isthenumberofeightsofaninchthefrontisindiameter11/8or34.9mm.MR16lampsareindiameter16/8”or50.8mm.Theyusuallyhavea2pinbase,GU5.3(thefittingpinsare5.3mmapart),andrunson12V,howeverthespotlightshapeofMR16canalsouseGU10(10mmbetweenpins)and110/220V.ThespotlightswiththeabovedesignsometimescanalsouseE14fittings,butduetothedriversizeextrahousingisrequired.,10,11,Source:,MR11,M