1. Lub voj voog tsav ncaj qha cuam tshuam rau lub neej ntawm LED
LED tsav tsheb peb tab tom tham txog suav nrog ob hom kev tsav tsheb digital thiab analog tsav tsheb. Cov neeg tsav tsheb digital hais txog kev tsav tsheb digital, suav nrog kev tswj digital dimming, RGB puv xim hloov thiab lwm yam. Analog tsav yog hais txog analog circuit drive, suav nrog AC tsis tu ncua tam sim no hloov hluav taws xob, DC tsis tu ncua tam sim no tswj Circuit Court. Lub voj voog tsav yog tsim los ntawm cov khoom siv hluav taws xob, suav nrog cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab lwm yam. Lub neej ua haujlwm ntawm LED yog 50, 000 txog 100, 000 teev. Muab xam raws li 50,000 teev, nws yog qhov tsis tu ncua thiab muaj lub neej ua haujlwm ze li 6 xyoo. Lub neej ntawm kev hloov hluav taws xob yog qhov nyuaj kom ncav cuag 6 xyoo. Lub sijhawm lav zoo ntawm kev hloov hluav taws xob ntawm kev ua lag luam feem ntau yog 2-3 xyoo. Hoobkas yog ib qho nyuaj rau txais. Yog li ntawd, cov teeb meem ntawm LED teeb feem ntau yog tsav Circuit Court faults.
2. Thaum tshav kub kub dissipation teeb meem
LED yog lub teeb txias qhov chaw, qhov chaw ua haujlwm kub tsis tuaj yeem tshaj qhov txwv, thiab qee qhov npoo yuav tsum tau tso rau hauv qhov tsim. Tus tsim ntawm tag nrho lub teeb yuav tsum xav txog ntau yam xws li zoo nkauj tsos, yooj yim installation, lub teeb tis, tshav kub dissipation, thiab lwm yam. Nws yog ib qho tsim nyog yuav tau nrhiav qhov sib npaug ntawm ntau yam, kom lub teeb tag nrho yog qhov zoo tshaj plaws. Txoj kev loj hlob ntawm LED purification teeb tsis ntev. Tsis muaj kev paub ntau rau kev siv, thiab ntau qhov kev tsim qauv tau txhim kho tas li. Qee lub tuam txhab teeb pom kev zoo LED siv cov khoom siv hluav taws xob los yog cov khoom siv hluav taws xob, thiab cov neeg tsim teeb pom kev zoo tsis paub ntau txog cov khoom siv hluav taws xob, yog li muaj qhov chaw loj rau cov cua sov dissipation ntawm LEDs thiab tsawg qhov chaw rau cov cua sov dissipation ntawm cov khoom siv hluav taws xob. Feem ntau, tom qab tsim lub teeb thiab lub teeb, nrhiav lub zog tsim nyog rau kev sib tw, uas ua rau muaj qee yam teeb meem rau kev sib txuam ntawm cov khoom siv hluav taws xob. Nws feem ntau ntsib tias vim qhov chaw me me ntawm lub teeb lossis qhov kub thiab txias sab hauv, thiab kev tswj tus nqi qis, nws tsis tuaj yeem faib cov khoom siv hluav taws xob tsim nyog. Qee lub tuam txhab LED teeb pom kev zoo muaj kev tshawb fawb txog hluav taws xob thiab kev tsim kho. Cov teeb meem saum toj no tuaj yeem daws tau los ntawm kev ntsuam xyuas thaum pib ntawm kev tsim cov teeb thiab synchronizing tus tsim ntawm lub hwj chim mov. Hauv kev tsim, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xav txog cov cua kub dissipation ntawm LED thiab cov cua kub dissipation ntawm lub hwj huam mov, thiab tswj qhov kub thiab txias ntawm lub teeb tag nrho, kom lub teeb zoo dua tuaj yeem tsim.
3. Teeb meem hauv kev tsim hluav taws xob
a. Tsim lub zog. Txawm hais tias lub teeb pom kev zoo ntawm LED yog siab, tseem muaj 80-85 feem pua ntawm cov cua sov poob, ua rau qhov kub thiab txias ntawm 20-30 degrees hauv lub teeb. Yog hais tias chav tsev kub yog 25 degrees, sab hauv ntawm lub teeb yog 45-55 degrees, thiab lub hwj chim mov yog nyob rau hauv ib tug kub kub ib puag ncig ntev. Txhawm rau kom ntseeg tau tias lub neej ua haujlwm, nws yog ib qho tsim nyog yuav tsum tau ua kom lub zog ntawm lub zog, feem ntau tawm ntawm cov npoo ntawm 1.5-2 zaug.
b. Kev xaiv cov khoom siv. Thaum qhov kub thiab txias sab hauv ntawm lub teeb yog 45-55 degrees, qhov kub thiab txias ntawm lub hwj huam mov tseem yog li 20 degrees, thiab qhov kub ntawm cov khoom yuav tsum ncav cuag 65-75 degrees. Qee cov khoom yuav txav mus rau qhov tsis muaj qhov kub thiab txias, thiab qee qhov yuav muaj lub neej luv luv, yog li cov cuab yeej yuav tsum tau xaiv uas tuaj yeem siv rau qhov kub siab dua rau lub sijhawm ntev, them nyiaj tshwj xeeb rau cov khoom siv hluav taws xob electrolytic thiab cov xov hlau.
c. Kev tsim hluav taws xob ua haujlwm. Lub zog hloov hluav taws xob yog tsim los rau qhov tsis muaj ntawm LED, feem ntau tsis tu ncua tam sim no. Qhov loj ntawm qhov tam sim no txiav txim siab qhov ci ntawm LED. Yog hais tias batch tam sim no yuam kev loj, lub brightness ntawm tag nrho cov batch ntawm teeb yuav tsis sib xws. Thiab qhov kub hloov pauv tuaj yeem ua rau lub zog hluav taws xob tso tawm tam sim no hloov pauv. Feem ntau, qhov yuam kev batch yog tswj nyob rau hauv ntxiv /-5 feem pua kom ntseeg tau tias lub teeb ci zoo ib yam. Lub pem hauv ntej voltage poob ntawm LED yog biased, thiab qhov tam sim no voltage ntau yam ntawm lub hwj chim mov tsim yuav tsum muaj xws li qhov voltage range ntawm LED. Thaum siv ntau lub LEDs nyob rau hauv series, qhov tsawg kawg nkaus voltage poob multiplied los ntawm tus xov tooj nyob rau hauv series yog qhov tsawg kawg nkaus voltage, thiab lub siab tshaj plaws voltage poob multiplied los ntawm cov xov tooj nyob rau hauv series yog lub Upper limit voltage. Qhov tsis tu ncua tam sim no voltage ntau ntawm cov khoom siv hluav taws xob yog me ntsis dav dua qhov ntau yam no. Feem ntau, cov kev txwv sab sauv thiab qis yog txawv. Tawm ntawm 1-2V margin.
d. PCB layout tsim. Qhov luaj li cas ntawm lub teeb LED sab laug rau lub hwj chim mov yog me me (tshwj tsis yog nws yog sab nraud rau lub hwj chim mov), yog li PCB tsim muaj cov kev xav tau siab dua thiab muaj ntau yam yuav tsum tau xav txog. Qhov kev nyab xeeb nyob deb yuav tsum txaus, cov khoom siv hluav taws xob uas yuav tsum muaj kev tawm tswv yim thiab tso tawm kev sib cais, thawj sab Circuit Court thiab theem nrab sab Circuit Court yuav tsum muaj qhov hluav taws xob tiv taus ntawm 1500-2000VAC, thiab qhov deb ntawm tsawg kawg yog 3MM yuav tsum tau tso rau ntawm PCB. Yog hais tias nws yog ib lub teeb nrog ib tug hlau casing, qhov layout ntawm tag nrho cov fais fab mov yuav tsum tau xav txog qhov kev nyab xeeb nyob deb ntawm lub high-voltage ib feem thiab lub casing. Yog tias tsis muaj qhov chaw los xyuas kom muaj kev nyab xeeb nyob deb, lwm yam kev ntsuas yuav tsum tau siv los xyuas kom cov rwb thaiv tsev, xws li xuas nrig ntaus qhov ntawm PCB, ntxiv cov ntawv insulating, thiab potting insulating kua nplaum. Tsis tas li ntawd, qhov kev teeb tsa ntawm lub rooj tsavxwm yuav tsum tau xav txog qhov sib npaug ntawm cov cua sov, thiab cov cua kub yuav tsum tau muab faib ua tusyees thiab tsis tuaj yeem muab tso rau hauv qhov chaw nruab nrab kom tsis txhob muaj qhov kub thiab txias hauv zos. Electrolytic capacitors khaws cia kom deb ntawm qhov chaw tshav kub, ua rau kev laus thiab ua kom lub neej ntev.
e. Cov teeb meem kev lees paub. Tam sim no, tsis muaj tus qauv hauv tsev rau LED purification teeb. Lub tuam tsev tseem ceeb hauv tebchaws tab tom tshawb nrhiav thiab tsim. Kev muag khoom hauv tsev ntawm cov teeb thiab teeb pom kev zoo tau lees paub raws li cov qauv teeb pom kev zoo. Rau kev xa tawm, lawv tau lees paub los ntawm CE lossis UL. . Yog li ntawd, nyob rau hauv qhov kev pom ntawm qhov teeb meem no, nws yog ib qho nyuaj rau kev tsim ntawm switching fais fab mov kom tau raws li cov qauv saum toj no nyob rau tib lub sij hawm. Peb tsuas tuaj yeem ua tau raws li cov ntawv pov thawj sib txawv rau cov kev xav tau sib txawv.
4. Siv qhov ntsuas
Kev xaiv ntawm cov khoom siv hluav taws xob sab nraud feem ntau yog nyob ntawm qhov tam sim no thiab qhov hluav taws xob tsis tu ncua. Tus nqi tam sim no tsis tu ncua raug xaiv kom qis dua tus qauv tam sim no ntawm LED. Kev xaiv ntawm qhov hluav taws xob ntau yuav tsum yog nruab nrab, thiab sim tsis txhob xaiv ntau yam kom tsis txhob muaj hluav taws xob pov tseg.
Lub voj voog tsav cuam tshuam rau lub neej ntawm LED, yog li kev tsim hluav taws xob yuav tsum nruj, LED yog lub teeb txias, thiab qhov sib txuas kub tsis tuaj yeem tshaj qhov txwv. Thaum tuav lub ntsej muag zoo nkauj, cov cua kub dissipation yuav tsum tau xav txog, thiab txhua kauj ruam yuav tsum nruj.
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