Thaum tshav kub kub Dissipation cuam tshuam li cas rau kev pab cuam lub neej ntawm koj cov LED khiav teeb?

Nrog rau kev txhim kho thoob ntiaj teb kev lag luam teeb pom kev zoo thiab cov qauv kho kom zoo nkauj sab hauv, LED taug qab teeb tau hloov cov teeb pom kev zoo halogen thiab cov teeb pom kev zoo hauv feem ntau cov ntawv thov. Lawv cov txiaj ntsig tseem ceeb ntawm 360℃kab rov tav tig, 90℃ntsug lub kaum sab xis hloov kho, siab CRI lub teeb tso zis, thiab hloov tau yooj yim kev teeb tsa ua rau lawv xaiv rau cov khoom muag, teeb pom kev zoo, thiab chaw tsim khoom. Hauv cov khw muag khoom, cov chaw ua yeeb yam, thiab cov khw muag khaub ncaws, cov teeb pom kev zoo feem ntau muaj 10-16 teev ntawm kev ua haujlwm txhua hnub, muab cov kev xav tau siab heev rau lub sijhawm ntev - ruaj khov thiab kav ntev ntawm lub teeb.

Txawm li cas los xij, kev tshawb fawb hauv kev lag luam qhia tau hais tias ntau tus nqi qis - tus nqi LED khiav teeb ntawm lub khw muaj teeb meem kev laus tom qab 3,000-5,000 teev ntawm kev siv, suav nrog pom pom qhov ci dimming, xim kub sib txawv, lub teeb lub cev flickering, thiab txawm chip burnout. Rau cov neeg siv khoom lag luam, kev hloov lub teeb thiab kev saib xyuas tsis yog tsuas yog ua rau cov nqi khiav lag luam tab sis kuj cuam tshuam rau cov teeb pom kev zoo thiab cov duab hom. Tau ntev, cov neeg siv tau suav tias cov teeb meem no ua rau cov nti tsis zoo lossis lub zog tsav tsis ruaj khov, tab sis cov hauv paus ntsiab lus tseem ceeb yog qhov tsis tsim nyog cov qauv tsim hluav taws xob.

Cov tub lag luam feem ntau khij lub neej ntawm LED taug qab teeb li 50,000 teev lossis 10 xyoo hauv cov khoom lag luam, tab sis cov ntaub ntawv no tau sim nyob rau hauv qhov ntsuas kub thiab qhov zoo tshaj plaws cua sov dissipation. Hauv kev lag luam thiab kev siv hauv tsev, cuam tshuam los ntawm kev sib xyaw ua ke ntawm cov cua sov, qhov kev pab cuam lub neej ntawm cov teeb pom kev zoo tshaj plaws tsuas yog 1/3 lossis txawm tias 1/5 ntawm tus nqi theoretical. Ntau tus neeg siv yuam kev ntseeg tias LED teeb tsim hluav taws xob me me thiab tsis muaj qhov kub siab ua haujlwm txaus ntshai, tsis quav ntsej cov yam ntxwv ntawm LED semiconductor lub teeb: LEDs tsuas yog hloov 20% -30% ntawm hluav taws xob rau hauv lub teeb pom kev, thiab qhov seem 70% -80% ntawm hluav taws xob hluav taws xob hloov mus rau lub zog hluav taws xob. Yog tias cov cua sov tsis tuaj yeem ploj mus rau lub sijhawm, nws yuav txuas ntxiv mus rau hauv lub teeb lub cev, ua rau muaj kev laus ntawm cov saw hlau thiab ua kom puas tag nrho lub sijhawm ntev - siv cov kev ua haujlwm ntawm lub teeb.

track light fixtures

Lub siab - zoo taug qab lub teeb tsom rau hauv tsab xov xwm no tau txais kev tshaj lij COB (Chip on Board) kev sib xyaw ua ke lub teeb ci thev naus laus zis, uas txawv ntawm ib txwm siv SMD thaj chaw teeb pom kev zoo. Lub COB lub teeb ci sib xyaw ua ke ntau lub teeb ci LED ntawm ib qho txhuas txhuas substrate, ua kom pom kev sib xyaw ua ke ntawm lub teeb pom kev zoo thiab kev faib hluav taws xob zoo ib yam. Txawm hais tias COB thev naus laus zis ua kom zoo dua qhov teeb meem kub ntxhov ntawm ib qho - taw tes teeb pom kev zoo, siab - lub zog muaj zog teeb pom kev zoo tseem yuav ua kom muaj cua sov tsis tu ncua thaum lub sijhawm ua haujlwm ntev -. Lub hauv paus cua sov- tsim cov khoom siv ntawm lub teeb pom kev muaj xws li LED nti, tas li -tam sim no tsav tsheb fais fab, thiab hluav taws xob hauv hluav taws xob. Ntawm lawv, LED nti hlws ris kub yog qhov tseem ceeb tshaj plaws uas cuam tshuam rau lub neej.

Nyob rau hauv qhov chaw kaw thiab nqaim hauv qhov chaw ntawm lub teeb khiav, cov cua sov tsis tuaj yeem tuaj yeem ncig thiab tawg. Yog tsis muaj kev thermal conduction thiab kub dissipation qauv tsim, qhov kub thiab txias ntawm lub teeb lub cev yuav nce ntxiv thaum lub sij hawm ua haujlwm tas mus li, ncaj qha ua haujlwm ntawm cov tub ntxhais semiconductor nti thiab cov khoom siv hluav taws xob, ua kom cov khoom siv aging thiab kev ua haujlwm attenuation.

LED nti hlws ris kub (Tj) yog hais txog kev ua haujlwm kub ntawm cov tub ntxhais semiconductor, uas yog tus qauv ntsuas tseem ceeb rau kev txiav txim siab LED ua haujlwm thiab kev pabcuam lub neej. Raws li Arrhenius equation thiab IES LM-80 thoob ntiaj teb kev lag luam kuaj cov qauv, kev laus ceev thiab luminous attenuation tus nqi ntawm LED chips yog zoo correlated nrog hlws ris kub hloov. Cov ntaub ntawv pov thawj kev lag luam tau lees paub txoj cai tseem ceeb: rau txhua txhua 10℃nce hauv LED hlws ris kub, qhov luminous attenuation tus nqi ob npaug, thiab lub neej ua haujlwm zoo ntawm lub teeb raug txo los ntawm ze li 50%.

Tus qauv kev nyab xeeb kev khiav hauj lwm qhov kub thiab txias ntawm kev lag luam LED khiav teeb yog qis dua 85 degree. Thaum qhov kub ntawm qhov sib txuas siab tshaj 105 degree, lub nti yuav raug kev puas tsuaj tsis tuaj yeem: cov phosphor txheej muaj hnub nyoog sai, cov khoom siv hluav taws xob semiconductor txo qis, cov luminous flux poob qis, thiab xim rendering Performance index thiab xim kub stability yog tag nrho. Rau qhov zoo tib yam qis- cov teeb pom kev zoo nrog cov plhaub yas thiab cov txheej txheem hlau nyias nyias, qhov sib txuas sab hauv tuaj yeem yooj yim tshaj 110℃tom qab 2 teev ntawm kev ua haujlwm tas mus li, ua rau lub teeb tawg sai thiab ua tsis tiav ntxov.

Tsis zoo cua sov dissipation yuav ua rau muaj kev laus zuj zus cov tshuaj tiv thaiv nyob rau hauv lub teeb khiav, uas yog lub hauv paus yog vim li cas rau lub ntse shortening ntawm kev pab cuam lub neej. Ua ntej, qhov kub thiab txias ua rau kev laus ntawm LED nti phosphor txheej, ua rau cov xim hloov thiab txo lub teeb sib xws, ua rau cov khoom muag thiab cov duab kos duab tshwm sim xim. Qhov thib ob, qhov kub thiab txias ua rau lub zog sab hauv ntawm lub nti, txo cov luminous efficiency, thiab ua rau lub teeb dimmer dhau sijhawm. Thib peb, ntev - lub sij hawm siab - qhov kub thiab txias yuav ua rau lub hnub nyoog ntawm electrolytic capacitor ntawm qhov tsis tu ncua -tam sim no tsav fais fab mov, ua rau cov zis tam sim no tsis ruaj khov, tsis tshua muaj flickering, thiab teeb pom kev tsis zoo. Thaum kawg, nruam kub tsub zuj zuj zuj zus yuav ua rau cov laus laus thiab deformation ntawm cov khoom siv sab hauv, ua rau kev sib cuag tsis zoo ntawm cov khoom sib txuas thiab xoob rotation pob khawm, tag nrho scrapping lub teeb ua ntej.

Feem ntau cov nqi qis- cov nqi khiav teeb nyob rau hauv kev ua lag luam nrhiav cov nqi tsim khoom qis thiab txais yuav cov qauv tsim hluav taws xob rov qab, uas tsis tuaj yeem hloov mus rau qhov ntev - lub sij hawm siab -load ua haujlwm scenarios. Ua ntej, lawv siv cov plhaub yas los yog ultra- cov ntawv hlau nyias cov hluav taws kub dissipation uas tsis tshua muaj thermal conductivity, uas tsis tuaj yeem ua kom sov sab hauv sab hauv lub sijhawm, ua rau muaj cua sov loj hauv lub teeb lub cev. Qhov thib ob, lub tshav kub dissipation cheeb tsam yog me me thiab cov qauv yog ib leeg, tsis muaj kev grooved tshav kub dissipation thiab cua convection tsim, uas ua rau static nyob rau hauv lub tshav kub thiab tsis muaj peev xwm ua tau zoo tshav kub ncig. Qhov thib peb, lub teeb ci substrate yog ua los ntawm qis- zoo aluminium lossis txawm tias tsis yog - tshav kub- ua cov ntaub ntawv insulating, uas tsis tuaj yeem hloov cov hluav taws kub rau lub plhaub cua sov kom zoo.

Lub hom phiaj ntawm kev kuaj kev laus ntawm cov teeb pom kev zoo tib yam, tom qab 3,000 teev ntawm kev ua haujlwm tas mus li, qhov luminous attenuation tus nqi siab tshaj 20%, xim kub sib txawv yog ntau dua 300K, thiab lub neej kev pab cuam tsuas yog 8,000-12,000 teev. Hauv kev lag luam siv tiag tiag, cov teeb zoo li no yuav tsum tau hloov ntau zaus, nqa cov nqi kho mob siab thiab teeb pom kev tsis zoo rau cov neeg siv.

Lub siab -kev ua tau zoo COB taug qab lub teeb pib los ntawm peb lub lag luam txais kev lag luam- ua tus thawj coj thermal tswj kev tsim qauv, ua tib zoo daws cov teeb meem kub ntxhov ntawm cov teeb pom kev zoo ntawm cov teeb pom kev zoo thiab ua kom lub neej ntev kev pab cuam ntawm lub teeb. Ua ntej, tag nrho lub teeb yog ua los ntawm thickened tuag- nrum aviation- qib aluminium alloy cov ntaub ntawv, uas muaj ultra- thermal conductivity, 30% -50% siab dua kub dissipation efficiency dua li qub txhuas thiab yas cov ntaub ntawv, thiab muaj peev xwm sai ua lub tshav kub generated los ntawm COB nti rau tag nrho lub teeb lub cev.

Qhov thib ob, lub nraub qaum ntawm lub teeb lub cev tau txais cov qauv siv hluav taws xob sib xyaw ua ke, uas ua rau kom muaj txiaj ntsig zoo ntawm cov cua kub dissipation thaj tsam ntau dua 60% piv nrog lub plhaub plhaub. Cov qauv grooved tsim ib lub ntuj cua convection channel, siv cov cua kub nce lub hauv paus ntsiab lus kom paub txog cov cua sov dissipation, tsis tu ncua tso cov cua sov sab hauv, thiab tswj cov nti hlws ris kub hauv qab 75℃thaum lub sij hawm ntev - lub sij hawm ua hauj lwm tas mus li, deb tshaj qhov kev nyab xeeb kev lag luam pib.

Thib peb, cov khoom siv tau txais kev sib cais ntawm cov cua sov dissipation qauv tsim, sib cais COB lub teeb qhov hluav taws xob los ntawm kev tsav tsheb fais fab. Nws zam lub superposition ntawm tshav kub tsim los ntawm nti thiab lub hwj chim mov, tiv thaiv lub zos overheating ntawm lub ntsiab Cheebtsam, thiab xyuas kom meej lub ruaj khov ntawm cov khoom siv hluav taws xob rau lub sij hawm ntev. Tsis tas li ntawd, qhov siab - haum cov txheej txheem sib xyaw ua ke hauv substrate yuav tshem tawm qhov sib txawv ntawm cov khoom siv hluav taws xob ntawm cov nti thiab lub dab dej kub, txo cov thermal tsis kam, thiab paub txog xoom- ncua kev ua cua sov.

Raws li tib lub sijhawm 12-teev kev ua haujlwm tsis tu ncua txhua hnub thiab IES LM-80 tus qauv kev kuaj kev laus, cov ntaub ntawv sib txawv ntawm cov hwm COB taug qab teeb thiab cov teeb pom kev zoo tib yam yog qhov pom tseeb heev. Lub teeb pom kev zoo tib yam muaj lub teeb tuav tau tsuas yog 78% tom qab 3,000 teev ntawm kev ua haujlwm, thiab lub neej ntev yog tsawg dua 15,000 teev. Nyob rau hauv sib piv, peb cov hwm COB taug qab lub teeb tswj lub luminous flux retention tus nqi ntawm ntau tshaj 92% tom qab 25,000 teev ntawm kev khiav hauj lwm tas mus li, thiab cov kev pab cuam lub neej zoo mus txog 30,000-40,000 teev. Tag nrho cov kev pab cuam lub neej yog 3-4 npaug ntawm cov khoom zoo tib yam, thiab lub sij hawm ntev - lub sij hawm lub teeb attenuation yog tsis tshua muaj siab, realizing ntev - lub sij hawm ruaj khov siab - brightness thiab high-xim-rendering teeb pom kev zoo.

Cov txheej txheem cua sov zoo ua kom ntseeg tau tias lub teeb khiav yuav tsis muaj xim hloov, dimming, thiab flickering teeb meem thaum lub sij hawm siv ntev -. Rau cov khw muag khoom lag luam thiab cov duab kos duab, ruaj khov siab -CRI lub teeb tso zis tuaj yeem kho cov xim qub ntawm cov khoom thiab cov duab kos duab, txhim kho qib zaub thiab cov neeg siv khoom lag luam. Tsawg luminous attenuation kev ua tau zoo ua kom ntseeg tau tias lub teeb muaj peev xwm tswj tau lub Hoobkas- theem teeb pom kev zoo rau ntau xyoo, zam cov zaub tsis zoo los ntawm lub teeb aging.

Rau cov neeg siv khoom lag luam thiab cov chaw ua lag luam, cov kev pab cuam lub neej ntawm cov teeb ncaj qha txiav txim siab txog qhov ntev - cov nqi teeb pom kev zoo. Txawm hais tias qis- cov teeb pom kev zoo muaj cov nqi yuav khoom qis dua, kev hloov tshiab, kev saib xyuas, thiab tom qab- teeb meem muag khoom coj tus nqi zais siab. Tus hwm COB taug qab lub teeb nrog kev ua tau zoo ntawm cov cua kub dissipation muaj ultra- qis kev laus thiab tsis ua hauj lwm tus nqi, uas tuaj yeem txo cov teeb hloov zaus ntau dua 70% thiab txuag nyiaj ntau ntawm cov nqi zog thiab cov khoom siv tu rau cov neeg siv hauv tag nrho lub neej.

Ntev -lub sij hawm siab- qhov kub thiab txias ua haujlwm yuav ua rau kom muaj kev laus ntawm cov teeb hauv cov kab thiab cov txheej txheej insulating, yooj yim ua rau luv luv, hluav taws xob to, thiab ua rau muaj kev pheej hmoo. Tus kws tshaj lij kev tsim hluav taws xob hluav taws xob tswj kev ua haujlwm kub ntawm lub teeb lub cev nyob rau hauv qhov chaw nyab xeeb, tiv thaiv cov kab sab hauv, tsav tsheb fais fab, thiab cov khoom nti. Nyob rau tib lub sijhawm, qhov qis - qhov chaw ua haujlwm kub tsis txhob muaj kev laus thiab deformation ntawm aluminium alloy plhaub thiab cov qauv sib hloov pob khawm, ua kom lub zog thiab ruaj khov ntawm 360℃kev sib hloov thiab 90℃lub kaum sab xis hloov kho, thiab ua rau tag nrho lub teeb muaj lub zog ruaj khov.

Thaum muas LED teeb pom kev zoo, cov neeg siv yuav tsum tsis tsuas yog tsom mus rau qhov tsis xws li lub zog thiab xim kub, tab sis kuj tseem siv cov cua kub dissipation ua haujlwm raws li tus qauv kev yuav khoom tseem ceeb. Nws yog ib qho tsim nyog yuav tsum tau ua qhov tseem ceeb rau cov khoom lag luam nrog tuag- nrum aluminium alloy integrated heat dissipation shells thiab grooved convection heat dissipation structures, thiab zam cov plhaub yas thiab nyias hlau ntawv cov khoom kub dissipation. High- cov khoom siv hluav taws xob zoo thiab cov qauv tsim qauv yog qhov tseem ceeb lav rau kev ua haujlwm ntev ntawm cov teeb taws.

COB integrated light source yog qhov tsim nyog rau ntev - lub sij hawm siab -load ua hauj lwm tshaj li ib txwm SMD lub teeb qhov chaw vim yog tsis sib xws thaum tshav kub kub. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog yuav tsum paub meej tias cov khoom siv tau txais cov khoom siv hluav taws xob sib cais tsim kom tsis txhob muaj kev sib nrig sib cuam tshuam ntawm cov khoom siv hluav taws xob thiab cov hluav taws xob hluav taws xob, txo qhov kev khiav hauj lwm tag nrho ntawm lub teeb lub cev, thiab txuas ntxiv ncua kev laus.

Cov neeg siv yuav tsum ua qhov tseem ceeb rau cov khoom lag luam nrog IES LM-80 cov ntawv tshaj tawm txog kev laus thiab cov ntaub ntawv luminous attenuation tiag tiag, es tsis txhob ntseeg qhov kev xav tsis thoob qhov kev ua neej nyob. Cov ntaub ntawv nyob rau lub sij hawm ntev lub teeb tuav tau tiag tiag tuaj yeem cuam tshuam cov cua sov dissipation theem thiab durability ntawm cov khoom, uas yog lub hauv paus intuitive tshaj plaws rau kev txiav txim cov khoom zoo.

Thaum tshav kub kub dissipation kev ua tau zoo yog lub hauv paus txiav txim siab ntawm kev pab cuam lub neej, kev ruaj ntseg, thiab tag nrho -lub neej tus nqi ntawm LED khiav teeb, thiab nws kuj yog qhov tseem ceeb sib txawv ntawm siab - cov khoom lag luam teeb pom kev zoo thiab cov khoom siv qis qis dua - nqi. LED taug qab teeb cia siab rau semiconductor chips rau lub teeb emission, thiab kub kub yog tus yeeb ncuab loj tshaj ntawm LED aging. Cov cua kub tsis zoo yuav ua rau muaj teeb meem xws li ceev lub teeb attenuation, xim hloov, tivthaiv tsis ua hauj lwm, thiab cov khoom tawg ntxov ntxov, uas txo qis kev siv cov khoom siv teeb pom kev zoo.

Tus hwm COB LED taug qab lub teeb nrog cov kws tshaj lij aviation-qib aluminium tshav kub dissipation qauv thiab convection tshav kub dissipation tsim zoo kawg nkaus daws cov teeb meem kev lag luam ntawm cov cua sov. Nws tswj tau qhov kub thiab txias ntawm nti, paub txog ultra-low luminous attenuation thiab ultra- lub neej ua haujlwm ntev, thiab tuav ruaj khov thiab siab - teeb pom kev zoo rau lub sijhawm ntev. Rau kev lag luam teeb pom kev zoo engineers, chaw tsim khoom, thiab cov neeg siv khoom kawg uas nrhiav kev ua haujlwm siab thiab ntev - lub sijhawm ruaj khov, xaiv cov khoom siv teeb pom kev zoo nrog kev ua kom sov zoo tshaj plaws yog tus yuam sij kom paub txog kev saib xyuas qis, siab -efficiency, thiab siab - teeb pom kev zoo. Nyob rau hauv lub sij hawm ntev - siv lub voj voog, kev tsim hluav taws xob zoo tshaj plaws tuaj yeem ua rau muaj txiaj ntsig kev lag luam ntau dua thiab cov neeg siv kev paub zoo dua, uas yog tus nqi tseem ceeb ntawm cov khoom lag luam teeb pom kev zoo.

Peb zoo siab kom muaj kev tswj hwm tag nrho ntawm cov txheej txheem tsim khoom thiab lub caliber ntawm peb cov khoom vim peb muaj peb tus kheej cov chaw. Txij li thaum peb yog cov neeg tsim khoom ntau dua li cov neeg ua lag luam xwb, peb mob siab rau muab peb cov neeg siv khoom nrog tus nqi zoo tshaj. Txij li thaum peb paub tseeb tias tus nqi thiab qhov zoo ntawm peb cov khoom yog qhov tseeb, peb caw cov neeg siv khoom kom pom peb cov qauv ua ntej. Peb qhov kev cog lus rau kev ua tau zoo thiab kev txaus siab ntawm cov neeg siv khoom ua rau peb tsis tu ncua muab cov khoom zoo tshaj plaws -notch.
Peb qhov chaw nyob