Muaj ntau engineers ua hauj lwm nyob rau hauv lubswitching fais fab movkev lag luamkoom nrogLED tsav tsheb fais fab movtsim. Feem ntau cov tuam txhab muaj peb hom kev tsav tsheb fais fab kev tsim qauv:
Ua ntej. Taw qhia thiab nta ntawmLED tsav lub zog
1. Taw qhia ntawmLED tsav lub zog
LED tsav tsheb fais fab yog hais txog lub zog uas hloov mus rau hauv LED teeb los ntawm kev hloov hluav taws xob (xws li AC-DC).
Feem ntau hais lus, cov tswv yim yoghigh-voltage industrial zaus ACfeem ntau, uas yog qhov peb hu ua mains hluav taws xob. kuv lub teb chaws lub mains hluav taws xob yog 220V / 50HZ, thiab North America lub mains hluav taws xob yog 120V / 60HZ; thib ob, muajhigh-voltage thiab low-voltage DC, xws li 12V, 24V thiab 36V, thiab tseem muaj tsawg-voltage high-frequency AC, ib yam li covhluav taws xob transformerpeb siv yuav output tus coj voltage.
2. Cov xwm txheej tam sim no thiab cov yam ntxwv ntawmLED tsav tsheb fais fab mov
(1)Kev ntseeg siab, Feem ntau, lub warranty ntawm North American teeb tuaj yeem ncav cuag 5 xyoos, uas yog qhov zoo.
(2)Kev ua haujlwm siab, Sivswitching fais fab movlos yog linear fais fab mov, qhov ua tau zoo ntawm 75 ~ 80% yog qhov siab heev.
(3)Siab zog yam, feem ntau ncav cuag siab tshaj 0.9, uas txhais tau hais tias cov khoom siv ua haujlwm tsis zoo, siv lub zog ntau dua, thiab cov teeb yuav kav ntev dua.
(4) Nws muaj kev tiv thaiv zoo xws li kev tiv thaiv hluav taws xob, overvoltage thiab undervoltage.
(5) Nws muaj plua plav thiab dej ua haujlwm, xws li qib IP44.
(6) Nws muaj kev ruaj ntseg cov cai thiab electromagnetic compatibility kev ua tau zoo.
(7) Peb tus neeg tsav tsheb yuav tau tham hauv qab no.
Thib ob. Peb yamLED tsav tsheb fais fab khoom siv
1. Hloov qhov chaw tam sim no
Tam sim no, siv aswitching fais fab movlos tsim ib tug LED tsav tsheb Circuit Court yog feem ntau siv mainstream tsim mus kom ze.
Ua ntej tshaj plaws, los ntawm nws lub tswv yim tsim, los ntawm cov tswv yim kawg, feem ntau dhau los ntawmtransformer tsimlos ntawm nws tus kheej, lub high-voltage industrial zaus AC lub zog yog nqis mus rau qis voltage (AC-DC), thiab qhov ruaj khov DC voltage tuaj yeem tso tawm los ntawm rectifier lim circuit. Tsis tas li ntawd, EMI lim Circuit Court, surge thiab xob laim tiv thaiv Circuit Court, electrostatic tiv thaiv Circuit Court, overvoltage thiab undervoltage tiv thaiv Circuit Court, thiab lwm yam, thiab kev ua tau zoo kuj zoo heev thiab kev ntseeg siab dua.
Qhov thib ob, muaj ob lub voj voog rau qhov hloov pauv tsis tu ncua tam sim no, ib qho yog qhov hluav taws xob cais tawm thiab lwm qhov yog qhov tsis sib cais.
Los ntawm lub npe,lub isolation Circuit Courttau ua qee cov blocks rau qee qhov hluav taws xob siab rau qhov tsis tshua muaj hluav taws xob, nrog rau kev ua haujlwm siab, kev ruaj ntseg hauv Circuit Court, thiab kev ua haujlwm tsis zoo ntawm cov rwb thaiv tsev me ntsis. Qhov yuav tsum tau tso zis ntawm North American cais Circuit Court yog <60Vac.
Lwm tusnon-isolated circuityog qhwv nyob rau hauv ib tug sab nraud insulating yas plhaub, uas yog tsis tshua muaj kev nyab xeeb, tab sis tus nqi yog ib txwm qis dua qhov kev sib cais Circuit Court. Ob txoj kev muaj lawv tus kheej zoo thiab qhov tsis zoo.
Yog li los ntawm ob lub ntsiab lus no, nws tuaj yeem pom tau tias qhov hloov hluav taws xob hloov pauv yuav muaj kev nyab xeeb zoo dua thiab kev ua haujlwm ruaj khov, uas tsim nyog los ua lub hauv paus.LED tsav tsheb fais fab movtsim tswv yim!
Lub npe hu ua linear fais fab mov, raws li lub npe qhia, yog linear fais fab mov. Yuav kom meej meej, cov input thiab output voltages yeej yog tib yam. Piv txwv li, North American teeb siv ib txoj kab IC kev daws teeb meem, nrog rau cov tswv yim ntawm 120V / 60HZ thiab cov zis ntawm 118V feem ntau.
Nws tuaj yeem pom tias qhov txawv ntawm qhovswitching fais fab movTsis yog hais tias qhov voltage yog txo los ntawm ib tug transformer, tab sis qhov ntawdib zaug lossis ntau kab ICs yog siv rau kev faib hluav taws xob(Common ICs suav nrog OB5656). Kuj tseem muaj qee yam khoom siv, feem ntau yog txhuas substrates, es tsis yog ntsuab tooj liab-clad boards ntawm switching fais fab mov. Lwm qhov taw qhia yog tias nws muaj lub zog loj thiab kev ua haujlwm siab, thiab tsis tas yuav tsum muaj cov khoom siv hluav taws xob electrolytic, uas muaj lub neej ntev dua.switching fais fab mov.
Txawm li cas los xij, txhua yam muaj ob sab. Txawm hais tias nws ua haujlwm tau zoo, nws cov zis yog high voltage. Thaum ib tug neeg kov nws, nws yuav ua rau muaj kev phom sij rau lub neej, yog li nws feem ntau yog lub plhaub yas, uas yog qhov muaj kev nyab xeeb, tab sis nyuaj rau disassemble.
3. RC kauj ruam-down tov
Lub npe hu ua RC nqis nqis tiag tiagsiv kev them nyiaj thiab tso tawm cov yam ntxwv ntawm cov capacitors kom tso zis tsav tam sim nolos teeb tsa LEDs. Nws yog qhov yooj yim rau kev tsim, yooj yim rau kev khiav lag luam, thiab kev lag luam. Txawm li cas los xij, cov phooj ywg ceev faj tau pom tias nws yooj yim rau kev puas tsuaj rau lub voj voog vim nws qhov yooj yim, thiab muaj ntau yam tsis ruaj khov.
Tshwj xeeb tshaj yog nyob rau lub caij ntuj sov thaum lub hwj chim txwv, hluav taws xob hluav taws xob thiab hluav taws xob rov qab ntau zaus yuav ua rau lub teeb puas. Nws cov zis yog tib yam li ntawm IC linear, thiab qhov hluav taws xob siab tsis raug cais tawm, yog li nws yog qhov txaus ntshai heev rau kev siv. Txawm li cas los xij, nws lub plhaub yog yas, yog li hais lus, nws txoj kev nyab xeeb tsis zoo li qhov hloov hluav taws xob.
Yog li nws daim ntawv thov scenario yoglub zog qislub teeb, txog 5 W.
Rau cov lus nug txog cov khoom, thov mus saibnplooj ntawv khoom, koj kuj txais tostiv tauj peblos ntawm cov ntaub ntawv tiv tauj hauv qab no, peb yuav teb rau koj hauv 24 teev.
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