Vim li cas LED Panels tig daj: Ua rau thiab Tiv Thaiv
LED vaj huam sib luag teeb pom kev zoo yog ua kev zoo siab rau nws lub zog ua haujlwm, lub neej ntev, thiab nkig, lub teeb huv si. Txawm li cas los xij, ib qho teeb meem uas tuaj yeem cuam tshuam cov txiaj ntsig no yog maj mam yellowing ntawm lub vaj huam sib luag nto los yog lub teeb nws tawm. Qhov kev hloov pauv no tsis tsuas yog zoo li tsis txaus nyiam tab sis kuj tuaj yeem cuam tshuam qhov zoo ntawm lub teeb. Kev nkag siab vim li cas qhov no tshwm sim yog thawj kauj ruam hauv kev tiv thaiv nws thiab ua kom koj lub teeb pom kev zoo ua tau zoo rau xyoo.
Kab lus no tshawb txog kev tshawb fawb tom qab LED vaj huam sib luag yellowing, txheeb xyuas cov laj thawj tseem ceeb thiab muab cov tswv yim daws teeb meem los txo qhov teeb meem ntxhov siab no.
Kev Tshawb Fawb ntawm Lub Teeb Dawb hauv LEDs
Txhawm rau kom nkag siab txog yellowing, nws yuav pab tau kom paub tias LEDs tsim lub teeb dawb li cas. Tsis zoo li cov teeb pom kev zoo ib txwm muaj, feem ntau cov LEDs dawb tsis tas yuav tawm lub teeb dawb. Hloov chaw, lawv siv ob - cov txheej txheem:
Lub teeb xiav LED ua rau siab -lub zog xiav lub teeb.
Lub teeb xiav no ntaus ib txheej ntawm phosphor, cov khoom siv daj phosphorescent uas coats lub nti. Cov phosphor absorbs ib feem ntawm lub teeb xiav thiab re-emits nws li lub teeb daj.
Tib neeg lub qhov muag pom qhov sib tov ntawm lub teeb xiav uas tseem tshuav thiab lub teeb daj uas tau tsim tshiab ua dawb.
Cov txheej txheem no yog qhov tseem ceeb rau kev tsim, thiab txhua qhov cuam tshuam rau nws yog nyob rau hauv plawv ntawm qhov tshwm sim daj.
Yam Tseem Ceeb Ntawm LED Vaj Huam Sib Luag Yellowing
Yellowing feem ntau tshwm sim los ntawm degradation ntawm cov ntaub ntawv tseem ceeb hauv LED vaj huam sib luag, nrawm los ntawm ib puag ncig yam. Lub ntsiab culprits yog kub, UV raug, thiab tsawg- cov ntaub ntawv zoo.
1. Thaum tshav kub kub: Tus neeg uas ntsiag to
Thaum tshav kub kub yog tus yeeb ncuab tseem ceeb tshaj plaws ntawm LED lub neej ntev thiab xim ruaj khov.
Yuav ua li cas ua yellowing:Thaum LEDs muaj txiaj ntsig, lawv tsis yog 100% yog li; ib feem ntawm cov hluav taws xob hluav taws xob tseem hloov mus ua cua sov. Cov cua sov no yog tsim los ntawm LED nti nws tus kheej. Cov cua sov ntau dhau los yog tswj tsis tau zoo:
Degrades phosphor txheej:phosphor txheej yog rhiab heev rau qhov kub thiab txias. Kev kub ntev ntev ua rau nws tawg chemical. Raws li nws degrades, nws lub teeb hloov pauv hloov pauv, feem ntau ua rau pom xim hloov mus rau daj lossis xim av. Hauv qhov xwm txheej hnyav, phosphor tuaj yeem txhais tau tias "hlawv," tsim qhov chaw tsaus lossis daj.
Kev puas tsuaj lwm yam Cheebtsam:Cov ntawv qhia lub teeb yas (LGP) thiab cov ntawv diffuser hauv lub vaj huam sib luag kuj tseem muaj kev kub ntxhov. Cov khoom no, feem ntau ua los ntawm cov polymers xws li PMMA (acrylic) lossis PC (polycarbonate), tuaj yeem oxidize thiab daj thaum tsis tu ncua overheated.
Qhov chaw ntawm tshav kub:
Internal Drivers:Cov tsav tsheb hluav taws xob uas siv hluav taws xob LEDs tsim nws tus kheej cua sov.
Tsis zoo cua sov Sinking:Yog hais tias lub vaj huam sib luag tsis muaj qhov tsim nyog aluminium qhov cub lossis nws tsim tsis zoo, cov cua sov yuav raug kaw.
Installation Ib puag ncig:Txhim kho lub vaj huam sib luag LED hauv lub qab nthab uas tsis muaj cua nkag, lossis ze rau lwm qhov chaw cua sov, tsim lub qhov cub- zoo li cov nyhuv, ua rau nws lub neej luv luv thiab ua kom daj daj.
2. UV Radiation thiab Environmental Exposure
Ultraviolet (UV) lub teeb, txawm tias los ntawm lub hnub los yog los ntawm tej yam khoom siv teeb pom kev zoo, nqa lub zog siab uas tuaj yeem rhuav tshem cov tshuaj lom neeg.
Yuav ua li cas ua yellowing:Cov polymers siv nyob rau hauv diffuser thiab LGP raug rau cov duab -degradation. UV hluav taws xob pib cov tshuaj tiv thaiv hauv cov yas no, ua rau lawv oxidize thiab tig daj. Qhov no yog tib txoj kev uas ua rau cov laus yas computer saib thiab cov khoom ua si daj thiab nkig dhau sijhawm. Txawm tias phosphor txheej tuaj yeem cuam tshuam los ntawm kev raug UV khaus, hloov nws cov xim hloov dua siab tshiab.
3. Cov khoom zoo thiab kev tsim khoom tsis raug
Qhov zoo ntawm cov khoom siv raw siv yog qhov txiav txim siab.
Tsawg-Cov yas zoo:Cov qib qis ntawm PMMA lossis PC muaj kev ruaj ntseg tsawg dua thiab muaj cov impurities uas ua rau lawv ua rau yellowing ntawm ob qho tib si kub thiab UV raug. Cov neeg tsim khoom tuaj yeem siv cov ntaub ntawv pheej yig dua los txiav cov nqi.
Phosphor tsis ruaj khov:Lub formulation thiab zoo ntawm phosphor txheej nws tus kheej txawv. qis dua - zoo phosphors degrade sai dua, ua rau hloov xim sai dua.
Kev tiv thaiv tsis txaus:Qee lub vaj huam sib luag yuav tsis muaj UV- inhibiting additives nyob rau hauv lawv cov khoom yas los yog siv cov khoom siv thermal interface tsis zoo, ua rau lub cev tsis muaj zog txij thaum pib.
Cov txiaj ntsig ntawm Yellowing
Qhov cuam tshuam ntawm lub vaj huam sib luag yellowed mus dhau qhov zoo nkauj:
Xim Rendering tsis zoo:Cov xim daj distorts cov xim tseeb ntawm cov khoom thiab qhov chaw nws illuminates. Qhov no yog qhov teeb meem tseem ceeb hauv cov chaw xws li cov duab kos duab, khw muag khoom, chav ua noj, thiab chaw ua haujlwm uas qhov kev nkag siab zoo yog qhov tseem ceeb.
Txo Lub Teeb Tso Tawm thiab Ua Tau Zoo:Raws li cov phosphor degrades thiab cov plastics discolor, lawv thaiv thiab nqus ntau lub teeb es tsis txhob kis nws zoo. Qhov no ua rau lub vaj huam sib luag dimmer, yuam kom koj siv lub zog ntau dua kom ua tiav tib theem teeb pom kev zoo, yog li cuam tshuam cov txiaj ntsig tseem ceeb ntawm LED thev naus laus zis.
Visual Discomfort:Qhov tsis sib xws, lub teeb daj tuaj yeem ua rau hnyav thiab tsis kaj siab rau lub qhov muag, ua rau tsis xis nyob thiab mob, tshwj xeeb tshaj yog nyob rau hauv chaw ua haujlwm.
Yuav tiv thaiv thiab txo qhov daj daj
Kev tiv thaiv ib txwm zoo dua li kev kho, thiab txij li lub vaj huam sib luag yellowed feem ntau tsis tuaj yeem rov qab los, kev ntsuas kev tiv thaiv tseem ceeb heev.
1. Muab qhov tseem ceeb ntawm Kev Tswj Xyuas Kub
Xaiv cov khoom zoo:Xaiv LED vaj huam sib luag los ntawm cov npe nrov npe paub txog kev ua haujlwm zoo. Nrhiav cov khoom uas muaj ntau yam, zoo -tsim aluminium heat sinks.
Xyuas kom zoo installation:Tsis txhob nruab ib lub vaj huam sib luag LED nyob rau hauv lub qab nthab tag nrho airtight plenum. Xyuas kom muaj qee qhov chaw rau convective airflow nyob ib ncig ntawm lub vaj huam sib luag kom nqa cov cua sov mus. Ua raws li cov chaw tsim tshuaj paus cov txheej txheem installation precisely.
2. Xaiv cov vaj huam sib luag nrog UV- Cov khoom ruaj khov
Rau thaj chaw uas muaj hnub ci ncaj qha lossis tsis muaj zog, nrhiav cov vaj huam sib luag uas qhia tias "UV- tiv taus" diffusers lossis raug ntsuas rau sab nraum zoov / sab hauv tsev nrog kev tiv thaiv UV.
High-cov tuam txhab lag luam zoo feem ntau siv cov khoom siv ntxiv hauv lawv cov yas los ua UV blockers, ua rau cov txheej txheem yellowing qeeb qeeb.
3. Kev nqis peev hauv kev ua tau zoo txij thaum pib
Txawm tias pheej yig dua panels yuav ntxias, lawv feem ntau sawv cev rau kev lag luam cuav. Kev txuag nqi feem ntau yog los ntawm cov khoom siv tsis zoo uas yuav ua rau yellowing ntxov ntxov thiab tsis ua haujlwm. Kev nqis peev hauv siab dua - cov vaj huam sib luag zoo los ntawm cov tuam txhab ntseeg siab kom ntseeg tau cov ntaub ntawv zoo dua thiab cov qauv kev tsim khoom nruj dua, ncaj qha tawm tsam cov hauv paus ua rau daj.
4. Ua raws li kev saib xyuas tsis tu ncua
Plua plav tsis tu ncua:Ib txheej ntawm plua plav ntawm lub vaj huam sib luag ua raws li daim pam insulating, ntxiab cua sov thiab ua rau qhov kub thiab txias sab hauv. Tsis tu ncua, maj mam plua plav nrog cov ntaub mos, qhuav pab tswj kom zoo cua sov dissipation.
Ua tib zoo ntxuav:Yog tias xav tau kev ntxuav kom tob dua, siv cov ntaub mos muag me ntsis nrog dej los yog xab npum me me. Tsis txhob siv tshuaj lom neeg hnyav, tshuaj abrasives, lossis cawv- cov tshuaj ntxuav tes, vim tias lawv tuaj yeem ua rau cov coatings tiv thaiv - glare coatings thiab muaj peev xwm ua kom cov khoom degradation.
Cov lus nug nquag nug (FAQs)
Q: Lub vaj huam sib luag LED puas tuaj yeem kho lossis ntxuav kom rov qab nws cov xim qub?
A: Hmoov tsis, tsis yog. Yellowing yog ib qho cim ntawm sab hauv, tshuaj degradation ntawm cov ntaub ntawv (phosphor, plastics). Nws tsis yog qhov stains uas tuaj yeem wiped tawm. Thaum cov ntaub ntawv degraded, cov txheej txheem yog irreversible.
Q: Nws feem ntau siv sijhawm ntev npaum li cas rau lub vaj huam sib luag LED kom pib daj?
A: Tsis muaj ib lub sijhawm, vim nws nyob ntawm qhov zoo, kev ua haujlwm, thiab ib puag ncig. Lub siab- vaj huam sib luag zoo nyob rau hauv qhov txias, zoo- qhov cua, qhov chaw sab hauv tsev yuav tsis pom muaj xim daj rau ntau tshaj kaum xyoo. Qhov qis- vaj huam sib luag zoo hauv qhov chaw kub, tshav ntuj tuaj yeem pib daj hauv ob peb xyoos xwb.
Q: Puas yog yellowing ua rau kuv noj qab haus huv?
A: Lub yellowing nws tus kheej tsis yog ib qho kev phom sij rau kev noj qab haus huv. Nws tsis tau txhais hais tias LED yog emitting tej yam teeb meem. Txawm li cas los xij, qhov tsis zoo - lub teeb zoo uas nws tsim tau tuaj yeem ua rau lub qhov muag tsis pom kev thiab qhov muag tsis pom kev, thiab cov xim tsis zoo tuaj yeem ua teeb meem rau cov haujlwm uas xav tau xim raug.
Q: Puas yog qee lub npe lossis hom LED vaj huam sib luag puas tiv taus daj?
A: Yog lawm. Cov tuam txhab muaj npe nrov uas nthuav tawm kev siv siab -zoo, tshav kub- ruaj khov phosphors thiab UV- cov polymers tiv taus (xws li siab- purity PMMA) tsim cov vaj huam sib luag uas tiv taus ntau dua rau yellowing. Nrhiav cov vaj huam sib luag nrog lub sijhawm lav ntev dua tuaj yeem yog qhov qhia tau zoo ntawm cov chaw tsim khoom kev ntseeg siab hauv lawv cov khoom siv sijhawm ntev thiab xim ruaj khov.
Q: Puas yog tus tsav tsheb lossis cov khoom siv hluav taws xob puas cuam tshuam rau yellowing?
A: Indirectly, yog. Tus neeg tsav tsheb tsis zoo - tsav tsheb tsis zoo tuaj yeem ua rau cov LEDs dhau lawm - tsav, ua kom muaj cua sov ntau dhau thiab ua kom muaj kev puas tsuaj. Lub siab -zoo, tas li- tus tsav tsheb tam sim no ua kom cov LEDs ua haujlwm nyob rau hauv lawv cov kev txwv thermal.
Xaus
Lub yellowing ntawm LED panels tsis yog ib qho kev tsis txaus ntseeg tab sis qhov tshwm sim ntawm cov khoom siv degradation, feem ntau yog tsav los ntawm tshav kub thiab UV raug. Los ntawm kev nkag siab cov hauv paus hauv paus, cov neeg siv tuaj yeem txiav txim siab paub. Tus yuam sij kom tsis txhob muaj qhov teeb meem no yog kev nqis peev hauv kev lag luam zoo - cov khoom siv hluav taws xob los ntawm qhov pib, xyuas kom lawv raug teeb tsa kom raug rau kev ua kom txias, thiab ua haujlwm yooj yim, tu tsis tu ncua. Los ntawm kev ua cov kauj ruam no, koj tuaj yeem txaus siab rau qhov ntev - kav ntev, ua haujlwm tau zoo, thiab siab - teeb pom kev zoo uas LED vaj huam sib luag thev naus laus zis tau tsim los muab.
