10 yam ntxwv ntawm txoj kev teeb lub teeb hluav taws xob
LED txoj kev teeb lub zog hluav taws xob yog qhov tseem ceeb tshaj plaws ntawm kev txhim kho LED tam sim no. Raws li kev cuam tshuam tsim ntawm LED thev naus laus zis, tam sim no muaj ntau yam kev daws teeb meem thiab cov txheej txheem tsim tshwj xeeb, cia' saib ib qho zuj zus.
1 Vim li cas thiaj yuav tsum tau LED txoj kev teeb lub teeb hluav taws xob muaj qhov tsis tu ncua?
Cov yam ntxwv ntawm cov khoom siv teeb pom kev zoo LED txiav txim siab tias lawv cuam tshuam loj heev los ntawm ib puag ncig. Piv txwv li, raws li qhov ntsuas kub hloov pauv, qhov tam sim no ntawm LED yuav nce, thiab qhov nce ntawm qhov hluav taws xob yuav ua rau tam sim no ntawm LED.
Kev ua haujlwm mus sij hawm ntev tshaj qhov ntsuas tam sim no yuav ua rau lub neej luv ntawm cov hlaws LED teeb.
Thiab tam sim no LED tas li yog txhawm rau xyuas kom nws cov nqi ua haujlwm tam sim no tseem tsis hloov pauv thaum ib puag ncig yam xws li ntsuas kub thiab hloov pauv.
2 LED txoj kev teeb lub zog hluav taws xob muab qhov tseeb tam sim no
Qhov tseeb tam sim no ntawm qee qhov khoom siv hluav taws xob ntawm kev ua lag luam tsis zoo, thiab cov phiaj xwm tam sim no xws li cov tswv yim pom zoo ntawm lub khw muaj qhov yuam kev ntawm ± 8%, thiab qhov tam sim no qhov yuam kev loj heev.
Qhov xav tau dav dav yog hauv ± 3%.
Raws li 3% kev npaj tsim. Lub zog tsim khoom yuav tsum tau kho kom zoo kom ua tiav ± 3% yuam kev.
3 Ua haujlwm voltage ntawm LED txoj kev teeb pom kev zoo zog
Feem ntau, qhov pom zoo ua haujlwm ntawm LEDs yog 3.0-3.5V. Tom qab ntsuas, feem ntau ntawm lawv ua haujlwm ntawm 3.2V, yog li 3.2V cov lej xam yog qhov tsim nyog dua. Tag nrho qhov hluav taws xob ntawm N teeb hlaws hauv kab=3.2*N.
4 Dab tsi yog qhov tsim nyog tshaj plaws ua haujlwm tam sim no ntawm lub hwj chim rau LED txoj kev teeb?
Piv txwv li, qhov ntsuas ua haujlwm tam sim no ntawm LED yog 350 mA. Qee lub tsev tsim khoom siv nws thaum pib. Tus qauv tsim yog 350 mA. Qhov tseeb, nws kub heev los ua haujlwm nyob rau tam sim no. Tom qab ntau qhov kev sim sib piv, nws yog qhov zoo tshaj los tsim nws rau 320 mA. .
Tsawg tsawg ntawm cov cua sov tsim tawm, kom ntau lub zog hluav taws xob dhau los ua pom pom lub zog.
5 Yuav ua li cas dav yog qhov sib txuas sib txuas ua ke thiab qhov dav ntawm LED txoj kev teeb lub teeb hluav taws xob pawg thawj coj saib?
Txhawm rau ua kom txoj kev teeb pom kev zoo LED ua haujlwm nyob rau hauv ntau qhov kev tawm tswv yim ntau AC85-265V, LED series-parallel txuas ntawm lub teeb pom kev yog qhov tseem ceeb heev. Sim tsis txhob siv qhov dav dav, uas tuaj yeem faib ua AC220V thiab AC110V kom ntau li ntau tau, thiaj li ua kom ntseeg tau qhov kev ntseeg tau ntawm lub hwj chim.
Txij li cov khoom siv hluav taws xob tam sim no feem ntau tsis yog ib leeg-cais cov kauj ruam tam sim no lub zog hluav taws xob, thaum qhov xav tau hluav taws xob yog 110V, qhov hluav taws xob tso tawm yuav tsum tsis pub tshaj 70V, thiab tus lej sib txuas yuav tsum tsis pub tshaj 23 txoj hlua. Thaum qhov hluav taws xob nkag yog 220V, qhov hluav taws xob tso tawm tuaj yeem ncav cuag 156V.
Hauv lwm lo lus, tus lej tsis tshaj 45 koob. Tsis txhob txuas ntau dhau ua ke, txwv tsis pub qhov ua haujlwm tam sim no yuav loj dhau thiab lub zog siv hluav taws xob yuav ua rau muaj cua sov loj.
Kuj tseem muaj cov phiaj xwm dav dav. APFC lub zog ua haujlwm them nyiaj yog siv L6561/7527 txhawm rau nce qhov hluav taws xob mus rau 400V ua ntej, thiab tom qab ntawd nqis qis, uas yog sib npaug rau ob qhov hloov khoom siv hluav taws xob. Txoj haujlwm no tsuas yog siv hauv qee qhov xwm txheej.
6 Rho tawm/tsis cais tawm
Feem ntau, yog tias cov khoom siv hluav taws xob cais tau tsim rau hauv 15W thiab muab tso rau hauv LED txoj kev teeb lub raj hluav taws xob, lub tshuab hloov pauv loj heev thiab nyuaj rau muab tso rau hauv. Feem ntau, kev rho tawm tsuas yog 15W, thiab nws tsis tshua muaj tshaj 15W, thiab tus nqi kim heev.
Yog li ntawd, kev rho tawm tsis raug nqi. Feem ntau, cov khoom lag luam uas tsis yog cais tus kheej lub hauv paus tseem ceeb, thiab ntim tau tuaj yeem ua kom me dua, nrog qhov siab tsawg kawg ntawm 8 hli. Qhov tseeb, kev ntsuas kev nyab xeeb tsis yog cais tawm yog nyob rau hauv thiab tsis muaj teeb meem. Qhov chaw tso cai kuj tseem tuaj yeem siv ua lub zog cais tawm.
7 Yuav ua li cas cov khoom siv hluav taws xob ntawm LED txoj kev teeb pom kev sib phim nrog lub teeb hlaws teeb?
Qee cov neeg siv khoom tsim lub teeb pom kev ua ntej, thiab tom qab ntawd saib rau lub hwj chim. Lawv pom tias nws nyuaj rau muaj lub hwj chim tsim nyog. Ob qho tam sim no loj dhau thiab qhov hluav taws xob me me (xws li 7X1WI> 350mA, lossis V< 20v);="" lossis="" tam="" sim="" no="" me="" dhau="" thiab="" qhov="" hluav="" taws="" xob="" tau="" siab="" dhau="" (xws="" li="">< 200ma="" lossis="" v=""> 25V), qhov tshwm sim yog cua sov hnyav, tsis ua haujlwm zoo, lossis tsis txaus qhov hluav taws xob ntau.
Qhov tseeb, xaiv cov txheej txheem sib txuas ua ke tau zoo tshaj plaws, qhov hluav taws xob thiab qhov tam sim no siv rau txhua LED yog tib yam, tab sis cov khoom siv hluav taws xob tuaj yeem ua haujlwm tau zoo tshaj plaws.
Txoj hauv kev zoo tshaj yog tham nrog cov chaw tsim khoom siv hluav taws xob ua ntej, thiab txiav nws. Lossis tsim koj tus kheej lub hwj chim.
8 LED series thiab sib txuas sib txuas thiab PFC qhov tseem ceeb
Rho tawm cov tswv yim AC220V high-voltage sab electrolytic capacitor muaj peev xwm feem ntau tawm tswv yim fais fab 1W=1UF, AC110V1W=2UF Muaj peb hom fais fab tuag PFC tam sim no ntawm kev ua lag luam:
Thawj qhov yog kev mob siab rau yam tsis muaj PFC yam tsis muaj lub zog them nyiaj, thiab nws cov txiaj ntsig PF feem ntau nyob ib puag ncig 0.65;
Qhov thib ob yog lub zog ua haujlwm tsis txaus them nyiaj PFC Circuit, uas yog, lub zog ua haujlwm tsis zoo ntawm lub teeb, tseem hu ua qhov ntws los ntawm lub rooj tsav xwm hauv Circuit Court, uas tam sim no tau siv dav thiab ntseeg tau tshaj plaws, thiab PF tus nqi feem ntau yog nyob ib puag ncig 0.92 ;
Hom thib peb yog ua nrog kev ua haujlwm 7527/6561, uas yog lub zog ua kom muaj txiaj ntsig zoo. Nws hu ua AC220V hauv APFC Circuit. AC110V tuaj yeem siv cov tshuab hluav taws xob hluav taws xob ntawm tib lub peev xwm, thiab siv 1W=1.5UF. Tus nqi PF tuaj yeem ncav cuag 0.99, tab sis tus nqi ntawm qhov kev daws teeb meem no yog ob zaug kim dua li kev daws teeb meem thib ob thiab kev cia siab yog me ntsis. Yog li txheej txheem thib ob tau siv ntau dua.
Txog rau PFC cov kab hluav taws xob: tseem hu ua hav puv PFC Circuit, DC qhov ua haujlwm qhov hluav taws xob ntau yog ib nrab ntawm cov nqi siab tshaj ntawm AC input voltage. Yog tias cov tswv yim yog 220V, nws cov txiaj ntsig siab tshaj yog 220*1.414=312V, ib nrab ntawm qhov siab tshaj plaws yog 156V, thiab cov nthwv dej tso tawm yog ib nrab nthwv dej qis dua ib nrab nthwv dej ntawm qhov tsis cais tawm.
Yog li, tus naj npawb ntawm LED txoj kev teeb lub teeb hlaws hauv kab yuav tsum yog txog 45 txoj hlua. Yog li ntawd, txhawm rau kom tau txais lub zog loj tseem ceeb, tus naj npawb ntawm cov hlaws teeb hauv kab yuav tsum tsis txhob me me, txwv tsis pub qhov ua haujlwm zoo tshaj plaws yuav tsis ua tiav. Tus naj npawb ntawm cov kab txuas nrog ntawm cov khoom siv hluav taws xob sib cais muaj feem cuam tshuam nrog tus lej ntawm qhov tig thib ob ntawm qhov cua, uas yuav tsum tau ua. Lub zog siv hluav taws xob yuav tsum ua tau raws li lub zog tso tawm.
Qhov me me ua haujlwm tam sim no ntawm cov khoom siv hluav taws xob hauv qhov ntsuas hluav taws xob ua haujlwm ntau yog, lub sijhawm cua sov ntev dua thiab lub sijhawm ua haujlwm ntev dua, txwv tsis pub lub neej ua haujlwm yuav luv dua. LED txoj kev teeb pom kev zoo hlaws hlaws yog rhiab heev rau AC, ntau npaum li cas ntawm AC, ua rau lub teeb tsis zoo dua.
Feem ntau, cov tshuab hluav taws xob tau siv los tswj qhov hluav taws xob, thiab txo tus nqi AC voltage ntawm lub davhlau ya nyob twg kom ntau li ntau tau. Lub peev xwm hluav taws xob hluav taws xob muaj peev xwm nyob hauv qab qhov hluav taws xob sab yuav tsum tsis txhob me me. Qhov sib piv ntawm lub peev xwm rau cov zis tam sim no yog 1UF< 1.5ma,="" txwv="" tsis="" pub="" led="" yuav="">
Kev xaiv cov khoom tsis cais tawm qhov kawg hluav taws xob hluav taws xob hluav taws xob zoo ib yam li cov hom kev sib cais, thiab qhov tso tawm kawg lub peev xwm yog 1UF< 6ma.="" lub="" tshuab="" hluav="" taws="" xob="" hluav="" taws="" xob="" ntawm="" qhov="" tso="" tawm="" kawg="" ntawm="" lub="" teeb="" pom="" kev="" zoo="" led="" yuav="" tsum="" ua="" kom="" tau="" raws="" li=""><>
9 LED txoj kev teeb pom kev zoo zog ua haujlwm
Lub zog tawm tswv yim rho tawm lub zog tso tawm tus nqi, qhov ntsuas no tseem ceeb tshwj xeeb. Qhov loj dua tus nqi, qis dua qhov ua tau zoo, uas txhais tau tias feem ntau ntawm lub zog tawm tswv yim tau hloov mus ua cua sov thiab tso tawm; yog tias nws tau teeb tsa hauv lub teeb, qhov kub yuav tsim tawm. , Ua ke nrog cov cua sov tawm los ntawm qhov ua kom pom kev zoo ntawm peb cov LED, yuav ua kom lub siab kub dua.
Lub neej ntawm txhua qhov khoom siv hluav taws xob hauv peb cov khoom siv hluav taws xob yuav luv dua thaum qhov kub nce. Yog li ntawd, kev ua haujlwm tau yog qhov tseem ceeb tshaj plaws uas txiav txim siab lub neej ntawm lub hwj chim. Kev ua haujlwm tsis tuaj yeem qis dhau, txwv tsis pub cov cua sov siv ntawm lub zog yuav loj dhau.
Qhov ua tau zoo ntawm hom tsis raug cais yog siab dua li ntawm hom sib cais, feem ntau siab dua 80%. Txawm li cas los xij, qhov ua tau zoo yog cuam tshuam nrog txoj kev sib txuas sib txuas ntawm lub teeb pom kev zoo.
10 LED txoj kev teeb pom kev zoo lub zog txias
Lub hauv paus tseem ceeb ntawm cov txheej txheem cua sov yog tias LED txoj kev teeb lub teeb hlaws hlaws tuaj yeem ua rau lub neej muaj txiaj ntsig zoo thaum lawv siv nyob rau hauv cov cua sov. Feem ntau, aluminium alloy yog siv, uas yooj yim dua rau cua sov. Ntawd yog, LED txoj kev teeb lub hwj chim hlaws dai tau txuas rau aluminium substrate, thiab thaj chaw tshav kub sab nraud tau nthuav dav.
Benwei Hnub Ci Txoj Kev Teeb Sab Nrauv Teeb
Khoom Nta:
& gt; LED teeb, vaj huam sib luag hnub ci, roj teeb lithium thiab tswj, txhua yam hauv ib qho kev tsim qauv me me.
& gt; Tsis muaj xov, 100% hnub ci zog, yooj yim rau nruab thiab xa khoom.
& gt; Ua-nyob rau hauv infrared sensor, tuaj yeem kho lub teeb tso tawm kom raug (lub sijhawm tswj hwm + lub teeb pom kev zoo tswj + lub suab tswj lub suab tswj).
& gt; Xeb-pov thawj, tsis muaj plua plav thiab tsis muaj dej IP65.
& gt; 5 xyoo lav.
