Ib qho screen tiaj tus LED downlight lub ntsiab lus
Tsawg profile recessed qab nthab teeb uas tuaj yeem ua kom haum rau hauv qhov ntiav plenums yam tsis muaj kev cuam tshuam qhov ci ntsa iab lossis kev tswj xyuas glare yog hu ua vaj huam sib luag LED downlights. Txhua lub lag luam, hauv tsev, lossis tsoomfwv cheeb tsam tau hloov pauv mus rau qhov zoo nkauj caw ib puag ncig los ntawm cov teeb pom kev zoo ntawm lub vaj huam sib luag ntawm lub teeb pom kev zoo, sib npaug. Qhov kev xaiv teeb pom kev zoo no tseem tsis tau nrog qhov yuav tsum tau ua rau qhov loj, hluav taws kub lossis IC-rated enclosure. Daim ntawv tsis muaj peev xwm, wafer-nyias daim ntawv muaj qhov zoo nkauj zoo nkauj, txo cov nqi khoom, ua kom yooj yim sib dhos, thiab tso cai rau siv qhov chaw. Cov teeb ci ntsa iab no, uas tuaj yeem hloov pauv thiab square aperture xaiv, tuaj yeem siv rau txhua qhov kev tsim kho tshiab thiab kho dua tshiab, txawm tias rau cov teeb pom kev zoo hauv chaw ua haujlwm, khw muag khoom, tsev noj mov, tsev kho mob, chav nyob, chav ua noj, thiab chav dej, lossis rau kev siv. nyob rau hauv qhov chaw kaw, nyuaj mus cuag tau xws li hauv qab daus, stairwells, elevator, thiab sab nrauv soffits.
Adapting rau LEDs 'siab brightness
Nto emission technology feem ntau yog siv nyob rau hauv ultra-thin LED downlights thiaj li ua tau kom tsis tu ncua uniformity nyob rau hauv tag nrho lub vaj huam sib luag ntev. LEDs yog cov khoom siv linear nrog lub teeb pom kev zoo heev thiab muaj qhov ntom ntom ntom ntom ntom. Cov qauv backlit ib txwm siv ua haujlwm siab ntawm kev sib cais uas ua rau muaj qhov cuam tshuam loj ntawm qhov muag kom txo tau cov teeb meem nrog LED kub me ntsis thiab glare. Ib qho kev sib kis ntau dua ntawm lub teeb tuaj yeem ua tiav los ntawm kev nce qhov kev ncua deb ntawm lub teeb ci thiab qhov ua tau zoo dua diffusing lens, tab sis ua li ntawd ua rau lub luminaire tuab dua. Cov LEDs nyob rau hauv tsoos LED downlights yog recessed deb rau hauv lub casing. Txawm hais tias cov LEDs ci ntsa iab hauv cov luminaires no tau muab zais los ntawm kev pom ncaj qha, tseem muaj lub ntsej muag muaj zog thaum ntsia mus rau hauv lub luminaire. Cov lo ntsiab muag cutoff txo qhov kev ua phem luminance ntawm tus nqi ntawm ib cheeb tsam me me ntawm illumination. Vim tias lawv qhov kev faib cov kab hluav taws xob tsawg, cov teeb pom kev zoo tsis yog qhov kev xaiv zoo rau kev siv teeb pom kev zoo. Cov ntawv thov no xav tau kev sib tw siab heev.
siv ntug-lit optical tsim
Lub teeb qhia vaj huam sib luag (LGP) yog siv los sib npaug sib kis lub teeb hla lub teeb emitting nto ntawm wafer-thin downlight lub ntug-lit tsim, uas faib cov teeb pom kev zoo raws lub teeb ci sab. (LES). Lub teeb tsim los ntawm ntug muab tso rau LEDs nkag mus rau LGP los ntawm sab. Kev nkag mus ntawm lub teeb qhia yuav tsum tau ua kom haum rau mating SMD LEDs 'lub teeb tso zis hluav taws xob qauv thiab pob kev npaj kom ua tiav lub teeb. Tag nrho cov kev xav sab hauv yog siv los txav lub teeb kaw mus rau qhov chaw tawm. (TIB). Cov yam ntxwv ntawm lub teeb rho tawm lub npe hu ua qhov chaw tawm mus cia ib qho kev txwv ntawm lub teeb tawm ntawm lub teeb qhia. Txhawm rau lav qhov sib txawv ntawm qhov sib txawv, daim ntawv qhia lub teeb muaj ib daim phiaj ntawm qhov chaw tawm uas sib npaug ntawm qhov screen. Lub LGP khoov cov rays downwards mus rau hauv qab diffuser nrog high kis tau tus mob, ua ib tug luminous nto uas yog mos thiab qab ntxiag rau lub qhov muag thiab ib tug zoo sib xws ntawm illumination. Sab saum toj reflective tivthaiv ntawm multi-layered optical ntaus ntawv yog siv los coj tej lub teeb spill down.
tsim kho qhov muag systems
Txhawm rau suav nws, LGP yog wedged ntawm opal dawb hauv qab diffuser thiab PET dawb sab saum toj reflector nyob rau hauv ntau txheej txheej kho qhov muag ntawm ntug-lit LED downlight. LGP yog ib qho ntawm cov khoom no uas muaj kev cuam tshuam loj tshaj plaws ntawm lub teeb pom kev zoo ntawm lub teeb. Kev ua tau zoo thiab kab teeb pom kev zoo ntawm lub luminaire yog qhov cuam tshuam loj heev los ntawm nws txoj kev ntes lub teeb, kev ua haujlwm zoo, thiab kev tsim tawm. Cov khoom siv optically pob tshab, zoo li polycarbonate (PC) lossis Plexiglas, yog siv los tsim lub teeb qhia. (PMMA). Kev sib txuas ntawm qhov chaw (kev sib cuag) thiab cov yam ntxwv ntawm lub teeb rho tawm yog qhov tseem ceeb tsim kev txiav txim siab rau LGP. (cov ntsiab lus tawm). Ib tug zoo-tsim nkag mechanism muaj peev xwm ntawm coupling ntawm tus nqi ntawm ntau tshaj 90 feem pua. Lub dispersal ntawm lub teeb tso tawm los ntawm lub luminaire thiab lub extraction efficiency ntawm lub LGP yog txiav txim los ntawm daim ntawv thiab ceev ntawm lub teeb tawm qhov chaw, uas yuav tsum tau xaiv kom zoo.
Rau cov neeg uas tsis paub, ib qho ntug-lit LED qhov system LGP yog ib qho tseem ceeb ntawm lub neej txwv. Pheej yig polystyrene (PS) LGPs, uas tig daj nyob rau hauv ob xyoos, yog siv nyob rau hauv ntau yam khoom. LGPs 'kev tsaus ntuj qhia qhov kawg ntawm lawv qhov muaj txiaj ntsig zoo. Thaum ntsuas cov khoom lag luam, nws yog ib qho tsim nyog los txiav txim seb hom khoom siv los tsim LGP. UV-stabilized PC tam sim no yog cov khoom siv zoo tshaj plaws rau LGP siv, thaum PMMA yog LGP cov khoom siv dav tshaj plaws vim nws txoj kev siv tau, muaj zog thermal stability, thiab superior optical clarity.
thermal tswj
Kev tsim kho-raws li-kub-sab hauv tsim ntawm ultra-nyias LED downlight txo cov thermal txoj kev kom zoo dua cua sov. Ntxiv nrog rau vaj tse LEDs nyob rau sab hauv ntawm lub aperture, cov tuag cam khwb cia hlau casing kuj ua hauj lwm raws li lub tshav kub absorber. Integral tis ntawm lub dab dej kub txhim kho thaj chaw saum npoo tiag tiag siv los ua kom sov. Tus nqi ntawm cov thermal zog yog coj mus rau hauv lub system los ntawm LEDs yuav tsum tau qeeb dua tus nqi ntawm thermal kis tau tus mob los ntawm lub inactive tshav kub dab dej. Mid-power SMD LEDs yog siv nyob rau hauv ultra-thin LED downlights, uas yuav tsum tau ua tib zoo tswj qhov kub thiab txias. Vim yog qhov kub thiab txias ntawm cov yas vaj tse, kev khiav hauj lwm cov pob LED saum toj no qhov siab tshaj plaws uas tau tso cai rau qhov kub thiab txias tuaj yeem ua rau lub teeb ua kom lub teeb tsis zoo thiab hloov xim. Cov LEDs yuav tsum tsis txhob overdriven ntxiv rau tsim kom muaj zog thermal txoj kev. Lub zog tsav siab yuav ua rau LED kev ua haujlwm poob qis, uas yuav ua rau lub nra hnyav.
piav txog xim
Edge-lit LED downlights tuaj yeem siv ntau yam SMD LEDs nrog txawv specs. Thaum xaiv qhov illumination qhov chaw, ntau qhov hloov pauv tau muab rau hauv kev txiav txim siab. Ib qho ntawm cov ntsiab lus uas yuav tsum tau ua tib zoo tshuaj xyuas rau ib daim ntawv thov tshwj xeeb yog cov yam ntxwv xim ntawm LEDs. Cov xim zoo feem ntau siv lub rooj zaum rov qab rau qhov ua tau zoo hauv feem ntau ntawm ntug-lit LED downlights vim tias lawv tau muab raws li cov khoom pheej yig. Cov xim rendering Performance index (CRI) rau cov khoom no txawv ntawm qhov qis mus rau nruab nrab 80s. Qhov qis CRI luminaires muaj qhov ua tau zoo luminous thiab xim kub kub uas hais rau cov neeg siv khoom tsis paub. Txawm li cas los xij, xiav thiab ntsuab spectrums ntawm LEDs yog oversaturated, thiab lawv tsis tuaj yeem tsim cov xim saturated, uas yog qhov tseem ceeb rau kev ua kom pom tseeb ntawm daim tawv nqaij tones, cov khoom, artwork, thiab tag nrho lwm yam khoom ntau xim. Cov teeb pom kev zoo nrog qhov tsawg kawg nkaus CRI ntawm 90 yuav tsum tau siv thaum ntug-lit LED downlights yog siv los ua qhov tseem ceeb ntawm cov teeb pom kev zoo hauv thaj chaw nyob, chaw ua haujlwm, lossis chaw muag khoom.
Kub thiab sib xws ntawm cov xim
Correlated xim kub (CCT) rau LEDs tuaj yeem teeb tsa li 2700K, 3000K, 3500K, 4000K, lossis 5000K. Kev lag luam teeb pom kev zoo feem ntau ua rau siv cov cua txias lossis siab dua CCT lub teeb ci. Vim tias cov teeb pom kev zoo no yog cov muaj zog inhibitors ntawm melatonin, uas yog ib qho tseem ceeb ntawm tib neeg cov txheej txheem tiv thaiv, lawv tsis raug qhia rau kev siv hauv tsev. Qhov chaw sov so (nruab nrab ntawm 2700K thiab 3200K) feem ntau xaiv rau cov teeb pom kev zoo hauv tsev, teeb pom kev hauv tsev noj mov, thiab lwm yam kev siv uas muaj kev ntxhov siab. Lub teeb sov nrog cov ntsiab lus xiav me ntsis tsis tiv thaiv melatonin los ntawm kev tso tawm thaum hmo ntuj, txhawb kev rov ua kom tsaug zog. LGP's edge-lit tsim ua kom muaj xim sib xyaw. Qhov no tshem tawm cov xim sib txawv ntawm cov luminous tag nrho. Thaum cov LEDs tsis tau khi rau qhov ua siab ntev, cov khoom siv backlit yuav pom cov xim txawv ntawm LED-rau-LED. Edge-lit LED downlights yog zoo haum rau dynamic dawb teeb pom kev zoo siv xws li dim-rau-sov ambient teeb pom kev zoo thiab teeb pom kev zoo uas tsom rau tib neeg.
Tsav tsheb thiab txo cov LEDs
Ib tug off-board LED tsav tsheb uas yuav tsum tau ntsia nyias rau qhov ntiav qab nthab daim ntaub ntawv powers edge-lit LED downlights. Cov maub los yuav raug tsim los ua haujlwm nrog ib qho hluav taws xob tshwj xeeb (xws li 120 volts) lossis txais ntau yam ntawm cov khoom siv hluav taws xob. (piv txwv li 120-277 volts). Qhov tawm tam sim no uas tus maub los xa mus rau LED load yuav tsum muaj tsawg kawg nkaus ripples; qhov no yog qhov tseem ceeb. Cov nthwv dej loj DC tam sim no tuaj yeem ua rau flicker thiab lwm yam teeb meem kho qhov muag uas tuaj yeem ua rau mob migraines, mob qhov muag, thiab qhov muag tsis pom kev.
Lub peev xwm dim lub teeb ci LED yog qhov xav tau ntau zaus kom lub teeb ci tuaj yeem hloov kho raws li qhov xav tau lossis nyiam ntawm cov neeg siv. Ib qho kev txo qis tam sim no (CCR) dimming kho vajtse uas ua rau txo qis qis ntawm 0-10V lossis DALI kev tswj hwm yuav raug muab tso rau hauv tus maub los. Lub dimmer tswj thiab LED maub los yuav tsum sib haum nrog ib leeg. Qhov teeb meem feem ntau tshwm sim thaum hluav taws xob qis hluav taws xob (ELV) lossis rau pem hauv ntej theem (TRIAC) dimmer yog siv los txo cov khoom siv hluav taws xob. LEDs tuaj yeem flicker, ploj mus, tawg rau, lossis tuag mus vim muaj kev sib cuam tshuam tsis zoo ntawm theem tswj dimmer thiab hloov pauv hom hluav taws xob (SMPS).
