LED tsav fais fab qhia koj paub ntau npaum li cas?
Ua ntej, cia peb tham txog qhov LED driver fais fab mov. Nws tuaj yeem hloov lub hwj huam los mus rau ib qho hluav taws xob thiab tam sim no kom tsav cov teeb ci mus rau lub teeb hluav taws xob. Nquag: Lub tswv yim ntawm qhov tsav hluav taws xob muaj hluav taws xob muaj xws li muaj hluav taws xob siab zog AC (piv txwv li lub hauv paus), tsawg voltage ncaj sim tam sim no, siab voltage ncaj qha tam sim no, tsawg voltage siab AC (Xws li cov hluav taws xob hluav taws xob) thiab lwm yam. Thaum cov tsav hluav taws xob tsav cov tsav hluav taws xob feem ntau nrog cov LED rau pem hauv ntej voltage hloov los hloov qhov voltage qhov chaw tam sim no.
LED fais fab mov tub ntxhais muaj xws li hloov maub los, kev sib cog lus, hloov khoom (MOSFET), tawm tswv yim resistor, input lim, tso zis lim thiab hais txog. Raws li ntau lub sij hawm, tab sis kuj muaj cov tswv yim tiv thaiv kev tiv thaiv overvoltage, cov tswv yim kev tiv thaiv kev tiv thaiv kev tiv thaiv, LED qhib kev tiv thaiv kev tiv thaiv, kev tiv thaiv kev tiv thaiv thiab lwm yam kev sib cog lus.
Txheeb los ntawm tsav tsheb
( 1) qhov tam sim no
Tsawg tam sim no tsav qhov hluav taws xob tso zis tam sim no tsis tu ncua, thiab qhov hluav taws xob ntawm DC voltage nrog lub load tsis kam ntawm qhov loj ntawm kev hloov hauv ib cheeb tsam, lub load kuj me me, cov zis voltage tsawg tsawg, qhov ntau dua cov load tsis kam, output voltage Lub siab dua qhov siab
Tsawg tam sim no Circuit Court tsis ntshai ntawm Circuit luv luv Circuit Court, tab sis lub load yog nruj me ntsis qhib;
Tsawg tam sim no tsav Circuit Court tsav tsheb yog qhov zoo tagnrho, tab sis tus nqi siab;
Nws yuav tsum raug sau tseg tias qhov siab tshaj plaws niaj hnub nrog thiab qhov tseem ceeb ntawm qhov ntsuas yog siv, uas txwv cov naj npawb ntawm cov siv LEDs.
(2) kev ntaus nqi
Thaum tus ciaj ciam nyob rau hauv qhov kev ntsuas Circuit Court tau txiav txim siab, cov zis hluav taws xob raug tsau lawm, thiab cov zis hloov tam sim no nrog cov load nce lossis txo qis;
Voltage regulator Circuit Court tsis ntshai ntawm cov khoom qhib qhov rooj, tab sis lub nra yog txwv tsis pub qeeb ib ntus;
Txuas tsav tsheb rau tsav tsheb mus rau tsav, txhua txoj hlua yuav tsum ntxiv qhov tsim nyog rau txhua txoj hlua LED teeb ci ci nruab nrab;
Lub ci ci yuav raug cuam tshuam los ntawm qhov hloov ntawm qhov hloov ntawm qhov rectification.
LED drive zog cov yam ntxwv
(1) H uas muaj kev ntseeg siab
Tshwj xeeb tshaj li LED teeb tsav fais fab, ntsia nruab nrab qhov siab tshaj plaws, txij nkawm tsis yooj yim, txij nkawm nqi kuj tseem loj.
(2) Ua haujlwm zoo
LED yog cov khoom txuag hluav taws xob, tsav hluav taws xob ua haujlwm zoo dua. Nws yog ib qho tseem ceeb rau lub hwj huam khoom muab ntsia rau hauv lub qhov rooj. Fais fab tuag yog qhov siab, nws lub hwj huam siv zog me me, nyob rau hauv lub teeb kub yog me me, nws yuav txo qhov teeb kub. Hloov cov teeb ci LED tsis ua haujlwm zoo.
(3) Huag zog tau
Qhov zoo tshaj yuav yog qhov khoom ntawm lub kab sib chaws. Feem ntau qis dua 70 watts ntawm cov khoom siv hauv vaj hauv tsev, nws tsis muaj cov cim tseem ceeb. Txawm hais tias lub hwj huam tsis yog tib lub hwj chim tau qis dua cov hwj huam ua rau lub hwj chim loj, tiam sis siv ntau ntau lub teeb thaum hmo ntuj, tib hom kev thauj khoom dhau los ua ke, qhov kab sib chaws yuav tsim muaj cov pa phem ntau. Rau 30 watts mus 40 watts ntawm LED tsav fais fab, nws yog hais tias nyob rau hauv rau yav pem suab, tej zaum yuav muaj ib cov degree ntawm qhov yuav tsum tau muaj zog.
(4) D hom qes dej
Tam sim no muaj ob hom kev khiav tsheb: ib qho yog ib qho chaw qhov chaw nyob rau ib qhov chaw tam sim no qhov chaw, txhua qhov tam sim no qhov twg los tau rau txhua lub hwj huam hluav taws xob. Li no, ua ke ntawm saj zawg zog, tag nrho txoj kev LED tsis ua, tsis cuam tshuam rau kev ua haujlwm ntawm lwm tus LED, tab sis tus nqi yuav yog me ntsis siab dua. Qhov sib tw yog ib qho ncaj qha tam zog tam sim no yog "nyob rau hauv Chav Huibao" siv hom tsav, LED series los sis ua haujlwm ib yam. Nws qhov kom zoo dua yog qhov tsawg dua tus nqi, tab sis qhov yooj yim yog pluag, tab sis kuj yuav kom daws tau qhov tsis ua hauj lwm uas tsis ua hauj lwm, tsis cuam tshuam rau lwm yam lag luam hauv lub lag luam. Cov ob hom coexist rau ib lub sijhawm. Ntau cov channel tso zis hluav taws xob tam sim no, saib nqi thiab kev ua haujlwm yuav zoo dua. Tej zaum yav tom ntej ntawm lub hauv paus.
(5) Kev tiv thaiv kom zoo
LED tsis pub muaj peev xwm muaj peev xwm kuj yog cov neeg txom nyem, tshwj xeeb tshaj yog muaj peev xwm ua kom tsis muaj zog. Nws tseem ceeb kom ntxiv dag zog rau txoj kev tiv thaiv no. Muaj qee qhov teeb ci teeb nyob rau sab nraum zoov, xws li LED teeb. Vim yog lub nra ntawm cov kab sib tsoo thiab hluav taws xob induction, los ntawm kab sib chaws system yuav cuam tshuam ntau yam surges, thiab ib co surge yuav ua rau cov kev puas tsuaj rau LED. Yog li ntawd, qhov kev tshawb xyuas ntawm "Hauv Hu Ua Huib" tsav lub hwj chim ntawm kev tiv thaiv yuav tsum muaj ib qho tsis muaj, thiab raws li cov kev hloov ntawm lub zog thiab teeb pom kev zoo heev, LED tsav lub zog rau suppress lub surge ntawm intrusion, kev tiv thaiv ntawm LED yog tsis puas muaj peev xwm.
(6) P kev sib hloov
Fais fab mov Txuas ntxiv rau txoj kev tiv thaiv kev ruaj ntseg, nws yog qhov zoo tshaj plaws los ua kom muaj qhov tso zis zis tam sim no qhov ntsuas kub kub tsis zoo tawm tswv yim kom tiv thaiv tau qhov kub kub yog siab dhau; ua raws li kev nyab xeeb thiab kev tsim nyog yuav tsum muaj kev sib tw electromagnetic.
Lub zuag qhia tag nrho tam sim no thiab txoj kev uas niaj hnub ua haujlwm zoo thiab qhov tsis zoo
Muab piv rau tas nrho qhov tam sim no, txoj kev tsheb tam sim no txawm hais tias qhov tsis txaus ntseeg yog tus nqi ntau dua. Tab sis nws muaj peev xwm tiag tiag ua tus tiv thaiv LED thiab ntev rau lub neej ntawm cov LED, yog li txoj kev yog qhov kev sib tham yav tom ntej ntawm qhov tam sim no.
Kub khoom : tawm teeb , LED Tawm loj hlob teeb , LED tsis yeem bar , LED Teeb lub teeb , LED dej tsis pom kev
