Yuav ua li cas xaiv LED downlights thiab tsom teeb?

Qhov pheej yig thiab dav siv tsom teeb feem ntau yog thawj qhov kev xaiv rau cov neeg yuav teeb. Raws li cov kws tshaj lij kev teeb pom kev zoo, lawv tuaj yeem nthuav tawm qhov chaw teeb pom kev zoo, teeb pom kev zoo, lub teeb thiab duab ntxoov ntxoo. Tab sis txhua zaus koj yuav cov tsom teeb tshwj xeeb yog tangled, ntau hom, tsis sib xws, cov teeb pom kev zoo dab tsi yog qhov yooj yim siv thiab ruaj khov?

 

Dab tsi yog lub ntsiab lus ntawm lub teeb pom kev zoo? Lub luag haujlwm tseem ceeb tshaj plaws ntawm cov teeb pom kev zoo yog qhov teeb pom kev tseem ceeb, yog li qhov yuav tsum tau ua ua ntej rau kev siv cov tsom teeb pom kev zoo yog kom pom cov teeb pom kev zoo ntawm cov teeb pom kev zoo. Peb tuaj yeem ntsuas qhov zoo ntawm lub teeb los ntawm plaub qhov ntev - qhov chaw, lub kaum ntse ntse, xim kub, xim rendering Performance index.

 

 

01. Lub teeb me ntsis

 

Cov duab ntawm lub teeb pom kev zoo li lub teeb pom kev dav dav ntawm lub tsom teeb yog qhov ntsuas los txiav txim qhov teeb pom kev zoo ntawm lub teeb. Lub teeb pom kev zoo tuaj yeem ua kom pom qhov pom kev zoo nkauj ntawm cov khoom, qhov kev nkag siab peb-dimensional ntawm cov khoom yog qhov tseem ceeb, thiab lub teeb epitaxial yog ntau yam ntuj tso.

Lub lens yog siv nyob rau hauv pem hauv ntej ntawm lub teeb qhov chaw nrog kev nkag mus rau concentrating, thiab lub conical nto yuav sau thiab xav txog tag nrho cov sab lub teeb, thiab sib tshooj ntawm ob hom ntawm lub teeb yuav tau txais zoo meej siv lub teeb thiab zoo nkauj chaw zoo nkauj teeb pom kev zoo. Nyob rau tib lub sijhawm, kev ua haujlwm synchronous ntawm lub reflector, qhov nruab nrab lub teeb siv maj mam tsis muaj zog tawm sab nraud, thiab lub halo yog ntuj thiab xis, uas yog undoubtedly ib qhov zoo tshaj qhov chaw zoo.

Txawm li cas los xij, lub teeb faib ntawm qhov chaw tsis zoo ib yam, thiab qhov tsaus nti loj tshwm sim. Lub "glare" dhau los ntawm lub teeb tsom teeb lub khob, qhov siv lub teeb qis qis, ntau qhov ntxoov ntxoo ntawm thaj tsam halo, cov teeb pom kev tsis zoo, thiab qhov pom tseeb ntawm cov duab ntxoov ntxoo thiab phantom ntxoov ntxoo yuav ua rau pom qhov tsis xis nyob thiab txo qhov pom ntawm cov khoom. Qhov tseem ceeb yog tias qee qhov teeb pom kev ncaj qha tsis dhau los ntawm cov reflector thiab lens reflection. Hauv qhov xwm txheej hnyav, qhov ci ntsa iab yuav ua rau muaj kev ntxub ntxaug, tsis xis nyob, lossis txawm tias tsis pom tseeb.

02. Lub kaum ntse ntse

Lub luminous lub kaum sab xis kuj hu ua lub hwj chim lub kaum sab xis, feem ntau peb siv ib nrab lub hwj chim lub kaum sab xis, uas yog, lub kaum sab xis ntawm 50% luminous siv yog kaw li 2 & 1/2. Lub kaum sab xis ntawm lub tsom teeb yog feem ntau 15 degree, 24 degree, 36 degree, thiab lub diode lub teeb lub kaum sab xis yog lub teeb tawg lub kaum sab xis, uas feem ntau yog tswj los ntawm tus neeg sawv cev tawg ntxiv thaum lub diode raug tsim, thiab muaj peb pawg: siab. directivity, standard type, thiab scattering type.

Cov teeb pom kev zoo yog kev coj ncaj ncees, feem ntau hauv pob ntawv taw qhia epoxy, los yog nrog lub pob hlau xav txog kab noj hniav, thiab tsis txhob ntxiv cov khoom tawg. Lub kaum sab xis yog me me, nrog kev coj ncaj ncees, tuaj yeem siv los ua qhov chaw teeb pom kev zoo hauv zos, lossis ua ke nrog lub teeb pom kev los tsim kom pom qhov system tsis siv neeg.

03. Xim kub

Xim kub yog dab tsi? Yooj yim muab, nws yog ib chav ntsuas ntsuas uas muaj cov xim xim hauv lub teeb. Hauv txoj kev xav, xim kub yog hais txog cov xim ntawm lub cev tag nrho tom qab cua sov los ntawm xoom xoom (-273 degree C). Tom qab lub cev dub yog rhuab, lub spectral tivthaiv ntawm lub teeb emission hu ua xim kub ntawm no kub, thiab chav tsev ntawm kev ntsuas yog "K" (Kelvin).

Tab sis cov xim kub tsis zoo los yog phem, tsuas yog haum los yog tsis, nyob ntawm seb qhov kev xav tau ntawm qhov chaw tshwj xeeb. Feem ntau, peb faib lub teeb rau hauv peb hom raws li xim kub tus nqi: lub teeb sov daj, lub teeb sov dawb thiab lub teeb txias dawb.

Lub teeb sov tseem hu ua lub teeb daj sov, xim kub yog qis dua 3300K, feem ntau nyob ib ncig ntawm 2700K. Lub teeb sov yog nyob ze rau cov xim ntawm lub teeb incandescent, thiab lub teeb liab muaj ntau yam khoom, uas tuaj yeem ua rau tib neeg muaj kev sov siab, noj qab nyob zoo thiab xis nyob, thiab tsim nyog rau tsev neeg, chaw nyob, tsev so, tsev so thiab lwm qhov chaw, los yog qhov twg. qhov kub thiab txias yog qhov tsawg.

Lub teeb sov sov tseem hu ua lub teeb nruab nrab, thiab xim kub yog nyob nruab nrab ntawm 3300K-5300K. Sov dawb lub teeb mos mos, cov neeg muaj lub qab ntxiag, xis nyob, kaj siab lug, haum rau cov khw, tsev kho mob, chaw ua hauj lwm, tsev noj mov, tsev noj mov, chav tos thiab lwm qhov chaw.
Lub teeb txias tseem hu ua hnub ci xim, xim kub yog siab dua 5300K, lub teeb ci yog ze rau lub teeb ntuj, muaj qhov kaj ci, kom tib neeg tuaj yeem mloog zoo. Yog li ntawd, lub teeb txias yog tsim rau cov chaw ua haujlwm, chav sib tham, chav kawm, chav kos duab, chav tsim, tsev qiv ntawv, exhibition Windows thiab lwm qhov chaw.

04. Xim rendering Performance index

Cov xim rendering Performance index yog ib qho parameter uas txhua qhov teeb pom kev zoo muaj, uas yog, muaj peev xwm los kho xim. Cov xim rendering Performance index ntawm nruab hnub nrig yog 100, incandescent teeb kuj yog 100, lub zog txuag teeb yog 80-90, coj yog 70-99. Qhov qis ntawm cov xim rendering Performance index, qhov ntau distorted xim tshwm rau ntawm qhov muag liab qab.

Raws li qhov xwm txheej ntawm kev hloov xim nrog kev ua siab ntev, cov xim psychophysical ntawm CIE cov qauv kuaj pom pom los ntawm qhov ntsuas lub teeb thiab cov xim psychophysical ntawm tib xim qauv illuminated los ntawm kev siv lub teeb ci yog ntsuas. Lub cim yog Ri. Qhov nruab nrab ntawm CIE 1974 tshwj xeeb xim rendering Performance index ntawm yim xim qauv hauv ib pab pawg, feem ntau hu ua xim rendering Performance index. Lub cim yog Ra. Xaiv cov xim rendering Performance index Ra> 90, R9> 60 saturated xim rau kev ua tau zoo xim rendering.

Lub teeb tsom teeb zoo li cas yog qhov ruaj khov?Lub hauv paus ntawm lub teeb tsom teeb pom kev zoo yog txhawm rau txuas lub neej ntawm lub teeb, feem ntau saib peb lub ntsiab lus: lub teeb hlaws, tsav tsheb, teeb hluav taws xob dissipation.

01. Teeb hlaws dai

Lub teeb hlaws zoo li lub paj hlwb ntawm cov teeb, qee lub npe nrov teeb hlaws hom xws li OSram, Cree, thiab lwm yam, yog kev ruaj ntseg zoo, OSram chips siv cov cuab yeej hloov tshiab los tsim cov txheej txheem hloov pauv ultra-nyias, kom nws tuaj yeem tiv taus siab dua. node kub, ntev tshav kub dissipation. Vim tias LED txuas ntxiv ua kom sov thaum lub sijhawm ua haujlwm, yog tias cov cua sov no tsis tuaj yeem tawg sai sai, cov hlaws teeb LED yuav ploj mus rau qhov kub thiab txias, thiab lub neej yuav luv heev.

02. Tsav

Kev tsav tam sim no tau siv dav hauv kev tsim hluav taws xob tam sim no thiab tsim kev lag luam, vim tias txoj kev tam sim no tsis tu ncua tuaj yeem zam kev tsav tsheb tam sim no tshaj qhov ntsuas siab tshaj plaws, txhawm rau xyuas kom meej tias lub teeb LED ua tau raws li qhov xav tau qhov ci thiab xim kub, thiab qhov ruaj khov. cov tswv yim tam sim no thiab cov zis tuaj yeem ua tau zoo dua rau kev pab cuam lub neej ntawm lub teeb.

Tshwj xeeb tshaj yog thaum lub teeb pom kev dimming yuav tsum tau, nws yog ib qho nyuaj rau tswj xyuas qhov sib xws ntawm lub teeb ci. Kev nce me me ntawm qhov hluav taws xob tuaj yeem ua rau muaj qhov nce ntxiv hauv qhov tam sim no, uas qee zaum tuaj yeem ua rau cov teeb ci LED puas yog tias tsis tswj kom zoo. Tsis tas li ntawd, qhov tsis tu ncua tam sim no tsis yooj yim tshwm sim hauv cov hluav taws xob sab hauv lossis sab nraud uas tsim los ntawm cov khoom siv nws tus kheej ua rau muaj kev tsis ncaj ncees, yog li ntawd qhov kev tiv thaiv rau pem hauv ntej yuav txo qis (txo qhov sib txawv ntawm qhov hluav taws xob), thiab qhov tshwm sim ntawm kev khiav tawm ntawm qhov hluav taws xob tam sim no los ntawm lub cuab yeej. nce, uas txhim kho kev ntseeg tau ntawm LED teeb rau lub sijhawm ntev.

03. Thaum tshav kub kub dissipation ntawm cov teeb

Lub tshav kub dissipation ntawm lub teeb yuav cuam tshuam ncaj qha rau kev pab cuam lub neej ntawm lub teeb hlaws, thiab cov cua kub dissipation ntawm cov cua kub ntws thiab cov cua convection tsim ib lub voj voog high-speed los xyuas kom meej lub xeev ua haujlwm ruaj khov tshaj plaws ntawm lub teeb.

Lub tshav kub ntawm LED teeb pom kev zoo yog los ntawm ob ntu: lub teeb ci thiab lub zog hluav taws xob. Thaum tshav kub kub ntawm lub teeb qhov chaw, feem ntau yog them sai sai rau qhov zoo ntawm qhov chaw sib cuag ntawm lub teeb qhov chaw PCB thiab lub tshav kub dab dej nto, qhov zoo dua qhov chaw sib cuag, qhov zoo dua cov cua kub dissipation. Tsis tas li ntawd, nws yuav tsum tau muab sau tseg tias lub tshav kub conduction interface ntawm cov xov xwm sib txawv yog du li sai tau. Lub adhesion ntawm cov khoom siv hluav taws xob yuav tsum nruj txaus, thiab qhov sib cuag ntawm qhov sib txawv ntawm qhov chimeric yuav tsum tsawg li tsawg tau.

Lub ntuj convection tshav kub dissipation txoj kev ntawm LED teeb kuj yuav tsum tau qhov zoo tshav kub dissipation cheeb tsam, yog li nyob rau hauv ib txwm muaj xwm txheej, qhov tsim nyog roughness ntawm sab nrauv phab ntsa ntawm lub tshav kub dissipation yuav ua rau kom qhov zoo ntawm tshav kub hloov chaw, ntxiv rau, thaum txau cov xim sib txawv ntawm cov xim. xav txog cov txheej thickness thiab thermal conductivity thiab thermal tawg ua tau zoo ntawm cov xim no.

Tau hais ntau dhau lawm, koj puas paub xaiv lub teeb pom kev zoo thiab ruaj khov? Hauv cov ntsiab lus yooj yim, lub teeb pom kev zoo yuav tsum ua kom pom lub teeb pom kev zoo, thiab qhov tseem ceeb yog saib plaub lub ntsiab lus tseem ceeb ntawm luminous Angle, qhov chaw, xim kub thiab xim rendering Performance index. Kev tswj ntawm peb tus qauv ntawm lub teeb hlaws, tsav tsheb, thiab cov cua kub dissipation ntawm lub teeb tuaj yeem ua rau lub neej ntawm lub teeb pom kev zoo, uas tuaj yeem hu ua lub teeb tsom teeb.