Yuav tsum-saib: LED Tsav Tsheb Fais Fab Kev Paub Txog

Thaum tshav kub kub dissipation, tsav lub zog, thiab lub teeb ci yog qhov tseem ceeb tshaj plaws ntawm cov khoom siv teeb pom kev zoo LED. Txawm hais tias lub tshav kub dissipation yog ib qho tseem ceeb tshwj xeeb, cov cua kub dissipation cuam tshuam ncaj qha rau lub neej zoo ntawm cov khoom teeb pom kev zoo, tab sis lub teeb ci yog qhov tseem ceeb ntawm tag nrho cov khoom. Kev ruaj ntseg ntawm lub neej thiab tso zis tam sim no thiab qhov hluav taws xob ntawm lub hwj chim mov nws tus kheej muaj kev cuam tshuam zoo rau tag nrho lub neej zoo ntawm cov khoom. LED tsav tsheb fais fab mov kuj yog ib qho khoom txhawb nqa. Tam sim no, qhov zoo ntawm cov khoom siv hluav taws xob hauv kev ua lag luam tsis sib xws. Cov hauv qab no muab qee yam kev paub txog LED tsav lub zog. 1. LED tsav fais fab mov yog dab tsi LED tsav fais fab mov converts lub hwj chim mov mus rau ib tug tshwj xeeb voltage tam sim no tsav lub LED teeb-emitting voltage converter. Feem ntau: cov tswv yim ntawm LED tsav lub zog muaj xws li high-voltage zaus AC (uas yog, lub nroog fais fab), tsis tshua muaj hluav taws xob DC DC, High-voltage DC, tsawg-voltage thiab high-frequency AC (xws li cov zis ntawm hluav taws xob transformers), lwm. Cov zis ntawm LED tsav fais fab mov feem ntau yog qhov tam sim no qhov chaw uas tuaj yeem hloov qhov voltage nrog cov kev hloov pauv ntawm tus nqi txo ntawm LED rau pem hauv ntej voltage. Cov khoom tseem ceeb ntawm LED fais fab mov muaj xws li hloov maub los, induction, hloov tivthaiv (MOSFET), tawm tswv yim ua haujlwm, cov khoom siv lim tawm, cov khoom lim tawm, thiab lwm yam. Raws li qhov yuav tsum tau muaj ntawm cov sijhawm sib txawv, yuav tsum muaj cov khoom siv hluav taws xob tiv thaiv hluav taws xob, cov khoom siv hluav taws xob-tsis muaj kev tiv thaiv hluav taws xob, LED qhib txoj kev tiv thaiv, tiv thaiv overcurrent thiab lwm yam circuits. 2. Nta ntawm LED tsav fais fab mov (1) Kev ntseeg siab yog tshwj xeeb tshaj yog zoo li tus neeg tsav tsheb lub zog ntawm LED txoj kev teeb, uas tau nruab rau ntawm qhov siab siab, nws tsis yooj yim rau kev txij nkawm, thiab tus nqi ntawm kev saib xyuas kuj loj heev. (2) High-efficiency LED yog lub zog-txuag khoom, thiab kev ua haujlwm ntawm kev tsav tsheb yog siab. Nws yog ib qho tseem ceeb heev rau lub tshav kub dissipation ntawm lub hwj chim mov nyob rau hauv lub teeb. Kev ua haujlwm ntawm lub zog hluav taws xob yog siab, nws qhov poob ntawm qhov hnyav me me, thiab cov cua sov hauv lub teeb yuav me me, uas yuav txo qhov kub ntawm lub teeb. Nws yog qhov zoo rau kev ncua lub teeb tsis ua haujlwm ntawm LED. (3) Cov khoom siv hluav taws xob siab thiab lub zog hluav taws xob yog qhov yuav tsum tau ua ntawm kev thauj khoom ntawm daim phiaj kab sib chaws. Feem ntau, cov khoom siv hluav taws xob qis dua 70 watts, tsis muaj qhov ntsuas yuav tsum tau ua. Txawm hais tias ib qho khoom siv hluav taws xob uas tsis tshua muaj hluav taws xob, cov khoom siv hluav taws xob tsawg muaj kev cuam tshuam me me rau ntawm daim phiaj hluav taws xob, kev siv cov teeb pom kev zoo thaum hmo ntuj, tib hom kev thauj khoom yog concentrated heev, yuav ua rau muaj kuab paug loj heev rau daim phiaj hluav taws xob. Rau LED tsav tsheb lub zog ntawm 30 watts 40 watts, nws tau hais tias nyob rau hauv lub neej yav tom ntej, tej zaum yuav muaj qee yam qhia txog lub zog. (4) Muaj ob hom kev tsav tsheb tam sim no: ib qho yog qhov hluav taws xob tsis tu ncua rau ntau qhov chaw ntws tas mus li, thiab txhua qhov chaw tam sim no muab rau txhua qhov LED nyias nyias. Nyob rau hauv txoj kev no, kev sib xyaw ua ke yog hloov tau, LED tsis ua haujlwm txhua txoj kev, tsis cuam tshuam rau kev ua haujlwm ntawm lwm cov LEDs, tab sis tus nqi yuav siab dua me ntsis. Lwm qhov yog ncaj qha tam sim no fais fab mov, uas yog tseem “Zhongke Huibao “Txoj kev tsav tsheb tau txais yuav, LED txuas nrog lossis sib npaug. Nws qhov zoo dua yog tias tus nqi qis dua, tab sis qhov hloov pauv tsis zoo, thiab nws yog qhov tsim nyog los daws qhov teeb meem ntawm qee qhov LED tsis ua haujlwm, uas tsis cuam tshuam rau kev ua haujlwm ntawm lwm cov haujlwm LED. Ob daim ntawv no sib koom ua ke rau lub sijhawm. Multi-Lu Hengliu tso zis hluav taws xob txoj kev yuav zoo dua ntawm cov nqi thiab kev ua haujlwm. Tej zaum nws yog lub ntsiab kev taw qhia yav tom ntej. (5) Lub peev xwm los tiv thaiv LED kev tiv thaiv ntawm LEDs yog qhov tsis zoo, tshwj xeeb tshaj yog muaj peev xwm tiv thaiv hluav taws xob rov qab. Txhim kho kev tiv thaiv hauv cheeb tsam no kuj tseem ceeb. Qee lub teeb LED tau teeb tsa sab nraum zoov, xws li LED txoj kev teeb. Vim yog qhov qhib lub zog ntawm daim phiaj hluav taws xob thiab qhov cuam tshuam ntawm xob laim, cov kab hluav taws xob yuav cuam tshuam ntau yam nthwv dej, thiab qee qhov nthwv dej yuav ua rau LED puas. Yog li ntawd, cia li sib “Zhongke Huibao “Lub zog tsav tsheb yuav tsum tsis muaj kev tiv thaiv yoj surge. Raws li kev hloov pauv ntawm lub zog thiab cov teeb ntau zaus, LED tsav lub zog hluav taws xob yuav tsum muaj peev xwm tswj tau qhov nce siab thiab tiv thaiv lub peev xwm ntawm LED kom tsis txhob puas. (6) Ntxiv nrog rau kev tiv thaiv kev ua haujlwm, kev tiv thaiv kev ua haujlwm yog qhov zoo tshaj plaws los ntxiv cov lus qhia tsis zoo ntawm LED rau qhov tso tawm tam sim no kom tsis txhob muaj qhov kub ntawm LED siab dhau;. 3. Kev faib tawm raws li txoj kev tsav tsheb (1) Cov zis tam sim no ntawm qhov tsis tu ncua tam sim no lub zog tsav tam sim no tsis tu ncua, thaum cov zis DC voltage hloov pauv nyob rau hauv qee qhov ntau yam nrog qhov loj ntawm qhov hnyav, qhov load kuj yog me me, cov zis tawm. voltage yog Yog tias nws qis, qhov loj dua tus nqi thauj khoom, qhov siab dua qhov tso zis voltage; qhov tsis tu ncua tam sim no tsis ntshai ntawm kev thauj khoom luv luv, tab sis kev thauj khoom nruj me ntsis txwv tsis pub; Lub Hengliu tsav Circuit Court yog qhov zoo tshaj plaws, tab sis tus nqi kuj siab; xyuam xim rau nws; them sai sai rau qhov siab tshaj plaws kam rau ua thiab qhov voltage siv, nws txwv tus naj npawb ntawm LEDs. (2) Tom qab qhov ntau yam tsis sib xws hauv Circuit Court stabilization tau txiav txim siab, qhov tso zis hluav taws xob tau ruaj khov, thiab cov zis tam sim no hloov pauv nrog qhov nce thiab txo cov load; luv luv; tsav lub LED tsav lub voltage-driven Circuit Court, txhua txoj hlua yuav tsum tau ntxiv qhov tsim nyog tsis kam ua rau txhua txoj hlua ntawm LED zaub qhov nruab nrab brightness; qhov ci ntsa iab yuav raug cuam tshuam los ntawm qhov hloov hluav taws xob los ntawm kev hloov kho. 4. Qhov zoo thiab qhov tsis zoo ntawm tag nrho qhov tsis tu ncua tam sim no thiab kev ua raws li txoj kev yog muab piv nrog rau tag nrho qhov tsis tu ncua tam sim no. Txawm hais tias muaj ntau qhov tsis zoo thiab cov nqi siab, tus nqi kuj tseem siab. Tab sis nws tuaj yeem tiv thaiv lub neej ntawm LED thiab txuas ntxiv rau LED, yog li qhov kev khiav mus tas li yog qhov kev hloov pauv yav tom ntej. 5. Qhov tsis muaj LED fais fab mov LED-driven fais fab mov tam sim no tsis txaus: 1. Cov kws tshaj lij ntawm cov tuam txhab tsim cov teeb pom kev zoo LED thiab cov khoom lag luam tsis paub txaus txog kev hloov fais fab mov. Thiab tsis txhob xav txog electromagnetic compatibility txaus, tseem muaj qee qhov kev phom sij zais; 2. Feem ntau ntawm cov khoom siv hluav taws xob LED tau hloov pauv los ntawm cov khoom siv hluav taws xob hloov pauv los ua cov khoom siv hluav taws xob LED. Cov yam ntxwv thiab kev nkag siab ntawm LED tsis txaus; Yuav luag tsis muaj cov qauv, feem ntau yog cov qauv rau kev xa mus rau lub zog hloov hluav taws xob thiab hluav taws xob rectifier; LED fais fab mov feem ntau tsis sib xws, yog li feem ntau ntawm cov nyiaj kuj me me. Yog tias qhov ntim khoom me me, tus nqi siab, thiab tus neeg muag khoom ntawm cov khoom siv tsis sib koom ua ke; 4. Kev ruaj ntseg ntawm LED fais fab mov: qhov dav voltage input, siab kub thiab tsawg kub ua hauj lwm, tshaj kub, overvoltage tiv thaiv thiab lwm yam teeb meem tsis tau daws lawv ib tug los ntawm ib tug. Thawj yog lub neej tag nrho ntawm lub voj voog tsav tsheb, tshwj xeeb tshaj yog cov khoom siv tseem ceeb xws li: lub neej ntawm capacitors ntawm qhov kub thiab txias ncaj qha cuam tshuam rau lub neej ntawm lub hwj chim; hais tias LED tsav yuav tsum sib tw ntau dua conversion efficiency, tshwj xeeb tshaj yog thaum tsav tsheb high-power LEDs, vim hais tias nws yog tsav los ntawm high-power LED, vim hais tias nws yog tsav los ntawm high-power LED, vim hais tias tus tsav tsheb high-power LED yog vim li cas. ntawm tus neeg tsav tsheb lub siab-power LED, vim hais tias nws yog tus tsav lub siab-power LED, vim hais tias nws yog tus tsav lub siab-power LED, vim hais tias nws yog tus tsav lub high-power LED, vim hais tias nws yog tus tsav lub high-power LED. LED, vim hais tias nws yog tus tsav lub siab-power LED, vim hais tias nws yog tus tsav lub siab-power LED, vim hais tias nws yog tus tsav lub high-power LED, vim hais tias nws yog tus tsav lub high-power LED, vim nws yog vim hais tias tus tsav tsheb lub high-power LED yog vim hais tias nws yog txawm ntau tseeb, vim hais tias nws yog ntau tshaj li. Tag nrho cov hwj huam uas tsis yog tawm ntawm lub teeb yog siv los ua cua sov dissipation, thiab lub zog hloov dua siab tshiab efficiency tsawg dhau, uas cuam tshuam rau kev ua tau zoo ntawm LED zog-txuag cov teebmeem. Tam sim no, nyob rau hauv daim ntawv thov nrog lub zog me me (1-5W), qhov feem pua ​​​​ntawm cov nqi ntawm Hengliu tsav tsheb fais fab mov tau ze rau 1/3, uas yog ze rau tus nqi ntawm lub teeb, uas cuam tshuam rau kev lag luam nce qib rau qee yam. .