ANSIC7912023年(電燈玻璃球泡燈的名稱解釋)

A:以下是從標(biāo)準(zhǔn)里摘錄的幾段文字解釋：Designations Glassbulbsshallbedescribedbyadesignationconsistingofthefollowingwithoutspacesinbetween,asfollows:Afirstlettersymbolconsistingofuptothreeletterswhichdescribesthebulbshape.Theletterorlettersofthissymbolmayinsomecasesbeabasicshapelettersymbolonlyandinothercasesitmaybeacombinationofabasicshapesymbolandamodifierormodifiers.BasicshapesaredefinedinClause7.1andmodifiersaredefinedinclause7.2.Afirstnumbersymbolwhichstatesthemajordiameter(nominal)ofthebulbAsecondlettersymbolconsistingofoneortwoarbitrarylettersAsecondnumbersymbolusingarbitrarynumbersFirstlettersymbolThefirstlettersymbolshallidentifytheshapeclassificationtowhichthebulbbelongs.ThelettersymbolsthathavethusfarbeenestablishedaredescribedinClause7.1andillustratedinFigure1.Ifadditionalsymbolsareadopted,thelettersI,O,Q,andUshallnotbeused.FirstnumbersymbolThefirstnumbersymbolshallindicateoneofthefollowing:ThenominalmajordiameterofthatpartofthebulbabovetheCDlineThenominalmajordiameterofatubularbulbThemaximumdiameterofaroundPARbulbSecondlettersymbolThesecondlettersymbolshallservetodistinguishbetweenbulbshavingthesameshapeclassificationandmajordiameterbutdifferinginotherfeaturesabovetheCDline.ThelettersofthesecondletterdesignationshallbeassignedinalphabeticalorderbeginningwithA.Theletters,I,O,Q,andUshallnotbeused.Ifmorethan22variationsareencountered,asecondseriesbeginningZA,ZB,etc.,shallbeused.Thethirdseries,ifneeded,shallbeYA,YB,etc.SecondnumbersymbolThesecondnumbersymbolshallservetodistinguishbetweenbulbsalikeinallrespectsabovetheCDlinebutdifferingbelowtheCDline.B:下面表格內(nèi)針對常見各種外形解釋說明及對應(yīng)圖形表1 Firstlettersymbol名稱 名稱解釋Abulbshapehavingasphericalendsectionthatisjoinedtotheneckbyaradiusthat:hasacenteroutsidethebulbhasamagnitudegreaterthantheradiusofthespherical

圖形 常見規(guī)格A sectionistangenttoboththeneckandthecurveofthesphericalendsectionNOTE–Thesebulbsdonothaveanysignificantstraightportionbetweenthesphericalendandthetransitionalradiusintotheneck.B〔bulged〕C(conical)E(elliptical)

Abulbinwhichthecurvemakingupthemajorportionofthesideofthebulbhasaradiusgreaterthanone-halfthebulbdiameterandacenterintheplaneofthemaximumdiameter。Abulbconsistingofconicalornear-conicalendsection,whichisjoinedtotheneckbyanapproximatelyhemisphericalsection;iftheendsectionisnotconicalthecurvemakingupThemajorportionofthesideofthebulbhasacenterbelowtheplaneofthemaximumdiameterAbulbsimilartoa“B”shapebuthavingthesidesformedbyasectionofanellipse.F(flame)

Abulbresemblingtheflameofacandlehavingirregularflutesonthesides.G(globular) AbulbofessentiallysphericalshapKM(mushroom)P

Abulbwhichissimilarinshapetoan“M”bulb,exceptthereisaconicaltransitionalsectionbetweenthemajordiameterandtheneckratherthanacurvedsection.Abulbhavingasphericallyshapedendsectionblended,abovethemajordiameter,toasmallerradiuscurvecenteredonthemajordiameter,whichblendswithaofapproximatelythesameradiusforjoiningtheneck.Abulbhavingasphericalendsectionandaconicalmid-section,thesidesofwhicharetangenttothecurveofthesphericalsectionR(reflector)Abulbhavingasphericallyshapedendsection,aconicalS(straight-sides) lowersectionandanintermediatecurvejoiningthetwo.T(tubular)

Abulbthatismostlycylindricalinform.AcurvedfocusingreflectorizedbulbwhichmayhaveamultifacetedinnersurfacethatisgenerallydichroicMR(multifaceted coated.Itiscommonlyusedwithareflector)PAR(parabolicaluminizedreflector)

tungstenhalogenlightsourceandmaybeeitheropenfacedorsealedtogetherwithaglasslens.Thelens,ifany,maybeeitherplainorconfigured.Abulbformedbythesealingtogetherduringthelamp-makingprocessofapressedglassparabolicsectionandapressedlenssection.ThelenssectionmaybeeitherplainorconfiguredREC(rectangular) Abulbwitharectangularface表2 Secondlettersymbol名稱 名稱解釋 圖形 常見組合 常見規(guī)格A Angulartip CA/BABRBBulgedsectionbelowthebulb’smajordiameterandaboveitsapproximatebaselineBRBConicalsection CCDimplepointinginwardoroutward

ED/RDEllipticalsectionbelowtheEREbulb’smajordiameterEREandaboveitsapproximatebaselineFluteswhichtwistaroundF theoutsideandtaper CFtowardsthetipofthebulbLLLensendTLSTubularnecksectionbelowthebulbandabovetheapproximatebaselinePSTTubularneckortopsectionBT/GSTCFL表三 thirdlettersymbolCFLRBLRBLTGST燈頭、燈座的型號命名方法范圍本標(biāo)準(zhǔn)規(guī)定了電光源用燈頭、燈座的命名方法。符號系統(tǒng)的各局部應(yīng)直接連在一起，不得有空隙或其它分隔符號。燈頭燈座的完整符號承受下述形式。燈頭符號：〔a〕(b)(c)-(d)/(e)×(f)燈座符號：(a)(b)(c)-(d)注：可以承受縮寫的燈頭符號，但是這種縮寫符號不得引起誤會。燈頭符號中斜線前面的符號表示對帶有某一燈頭的在響應(yīng)燈座中的互換性來說格外重要的〔假設(shè)存在這局部來說是格外重要的。注：IEC的術(shù)語與北美術(shù)語相反，將無燈頭燈的觸點局部和固定局部叫做“燈端“。根本符號(圖形)符號的〔a〕局部由一個或一個以上的大寫字母組成，表示燈頭的類型。下述各字母雖然表示燈頭，但是，對于燈座，它們也有類似的意義。B--卡口燈頭；BA--卡口燈頭，最初用于汽車燈；BM--礦燈用卡口燈頭；E--〔愛迪生〕螺口燈頭；F--帶一個出觸點的燈頭；字母F后的小寫字母表示觸點的不同形式，例如：a--表示圓柱形插腳；b--表示帶凹槽的插腳；c--表示特別外形的插腳；G--兩個或兩個以上的凸出觸點，例如插腳或接線柱；K--帶導(dǎo)線連接件的燈頭；P--預(yù)聚焦式燈頭；R--帶凹式觸點的燈頭；S--外殼式燈頭--在燈座中不靠凸出部件來固定燈頭；SV--帶錐形末端的外殼式燈頭〔V形〕；T--機用燈頭；W---表示燈端，燈與燈座的電接觸直接通過位于燈端外表的引線來完成，燈端〔或其它絕緣材料局部個燈端并符號同一互換性要求的絕緣材料的單個燈頭，也可以用符號表示；注：早先的某些符號外形類似于櫀形物，這便導(dǎo)致使用字母符號“W“。例如：E27--螺口燈頭；Fa4--帶一個圓柱形插腳式觸點的燈頭。X--假設(shè)依據(jù)上列各項規(guī)定，不能用符號表示某燈頭，則這類燈頭承受大寫字母X加一系列數(shù)字的方法來表示。例如：X511--帶兩個獨立的金屬翼片的玻璃燈端。修改方法Ⅰ個字母組合中表示最重要意義的字母應(yīng)排在受首位。例如：PK22s 帶導(dǎo)線連接件的預(yù)聚焦燈頭。修改方法Ⅱ其特性與本標(biāo)準(zhǔn)各項規(guī)定相全都的燈頭可承受目前燈頭已經(jīng)使用過的符號電器或機械要求方面是不能〔或不完全能〕互換的，則將大寫字母X，Y，Z或U，或兩個以上這種字母的組合加在燈頭根本符號之后。例如：BY22d--B22型燈頭。GY16--G16G16型燈頭。修改方法Ⅲ在特別狀況下，符號的〔a〕局部之前可以帶有一數(shù)字，通常是2。該符號表示整個燈頭是2個〔2個以上〕單個類似燈頭構(gòu)成的組合燈頭。例如：2G13--由兩個并列排列相互間有確定距離的G13型燈頭構(gòu)成的組合燈頭〔這種燈頭用于U形熒光燈〕。符號的〔b〕局部由數(shù)字構(gòu)成，它表示燈頭主要尺寸的近似值，單位是mm。該主要與根本符號字母的關(guān)系如下所示；B，BA，BM，K，SSV后面的數(shù)字表示外殼的直徑；后面的數(shù)字指螺紋的牙頂直徑；后面的數(shù)字指觸點的直徑或其它類似的尺寸；G后面的數(shù)字指兩插腳的中心之間的距離；-對于兩個以上的插腳，則指各插腳中心所在圓周的直徑；P后面的數(shù)字表示用來將燈橫向定位的那個部件的最重要尺寸；R后面的數(shù)字表示對燈頭在燈座中的匹配安裝來說是必不行少的那種絕緣部件的最大橫向尺寸；T后面的數(shù)字表示兩觸片外部之間的寬度；W〔或其它絕緣材料二者之間有乘號〔×〕；例如：BA15b--15mm的汽車燈用卡口燈頭。G13--13mm的雙插腳燈頭。符號的〔c〕局部由小寫字母構(gòu)成，它表示觸點、觸片、插腳或撓性連接件的數(shù)量。下述字母便是這類用法：s--1個觸點；d--2個觸點；t--3個觸點；q--4個觸點；p--5個觸點。燈頭的外殼不應(yīng)視為是觸點，這與外殼是否載流部件無關(guān)，觸點不必全是同一外形。例如：E26d--E26型燈頭；G10q--4個觸點插腳的燈頭。必要時，符號帶有〔d〕局部，它由前面帶連字符〔-〕的數(shù)字構(gòu)成，該局部表示對互換性來說格外重要的附加部件。33個銷釘?shù)目跓纛^，或表示燈頭的主要外形的某一尺寸。例如