Nyob rau hauv daim ntawv thov ntawm high-power txoj kev teeb, lub hwj chim input hwj chim kuj loj, thiab qhov kub ntawm lub LED interface yog heev. Thaum lub teeb hluav taws xob txuas ntxiv mus ua haujlwm ntev, yog tias cov khoom siv hluav taws xob tsis tuaj yeem cuam tshuam cov cua sov, nws yuav cuam tshuam rau lub neej kev pab cuam thiab kev ua haujlwm luminous ntawm LED. Zoo li LED tam sim no Lub teeb tsis ua haujlwm loj ntawm txoj kev teeb yog tshwm sim los ntawm cov xwm txheej no. LED txoj kev teeb yog siv sab nraum zoov, thiab muaj ib puag ncig thiab kev nyab xeeb cuam tshuam, yog li feem ntau manufacturers tiv thaiv LED txoj kev teeb radiator plhaub nrog anodized kev kho mob, los yog tshuaj tsuag xim kom tsis txhob muaj corrosion ntawm acid thiab alkali tshuaj, thiab cov nyhuv ntawm anodizing kev kho mob yog. tsis ntev. , nws yuav oxidize thiab discolor tom qab ntev. Yog tias koj xav tshem tawm kev ua haujlwm hnyav, nws yuav tsis tsuas yog siv sijhawm ntev thiab siv zog, tab sis kuj nce tus nqi txij nkawm; Kev tiv thaiv tus nqi ntawm cov xim ci yog qhov tsawg, thiab cov nyhuv tiv thaiv yog qhov zoo, tab sis cov xim pleev xim dav dav tsis muaj cua sov ua haujlwm, thiab cov xim nws tus kheej yuav tsim cov nyhuv thaiv yog sib npaug los ua kom cov thermal impedance ntawm LED txoj kev teeb radiator, uas tsis tsuas yog tsis pab, tab sis vim hais tias lub tshav kub lub zog yog thaiv nyob rau hauv lub radiator, lub LED luminous lub hwj chim yog txo, thiab thaum kawg ua rau mob loj teeb meem.
Cov lus qhia rau kev daws teeb meem rau LED txoj kev teeb tsis ua haujlwm:
1. Sab hauv: Nws raug nquahu kom cov tuam txhab teeb pom kev zoo pib los ntawm cov ntaub ntawv yooj yim thiab daws qhov teeb meem ntawm lub zog hluav taws xob LED hluav taws xob los ntawm sab hauv tawm. Piv txwv li, thaum sib txuas lub teeb-emitting tivthaiv rau aluminium substrate, siv txoj cai thermally conductive nplaum, qhov pom zoo mos ceramic thermally conductive nplaum. Cov mos mos ceramic thermal conductive nplaum rau kev tshuaj ntsuam luam ntawv yog qhov sib txawv ntawm cov khoom sib txuas ib txwm siv thermal conductive nplaum zaj duab xis. Cov mos mos ceramic thermal conductive nplaum yog mos thiab semi-kua. Thaum lub vijtsam luam ntawv tshuab hniav siv rau aluminium substrate, cov thermal conductive hais yuav nkag mus rau hauv lub qhov hws ntawm qhov chaw ntawm lub substrate. ua kom puv. Nyob rau hauv txoj kev no, lub dav hlau tiaj tiaj tsis muaj qhov hws yuav raug tsim, uas yuav ua tiav tag nrho rau LED epitaxial substrate. Nyob rau hauv txoj kev no, lub thermal kuj yog txo mus rau qhov tsawg kawg nkaus, thiab lub tshav kub yuav ua tau sai sai, uas ib txwm txo qhov kub ntawm lub LED tuag, prolongs lub neej ntawm lub epitaxy thiab heev qeeb qhov tshwm sim ntawm lub teeb lwj. Tsis tas li ntawd, vim yog cov ductility ntawm cov mos mos ceramic thermal conductive xim siv los ntawm kev tshuaj ntsuam luam ntawv, thaum lub sij hawm kub kub ci los yog reflow, nws yuav hloov nrog thermal expansion thiab contraction ntawm aluminium substrate. Qhov kev ntxhov siab me me, thiab aluminium substrate yuav tsis raug warped, cia nyob ib leeg Yuav tawg.
2. Sab nraud: Nws raug pom zoo kom siv cov mos mos ceramic kub dissipation xim rau LED teeb rau kev tiv thaiv sab nraud ntawm LED teeb. Cov tshuaj tsuag-hom mos mos ceramic kub-dissipating xim tuaj yeem raug txau ncaj qha rau sab nrauv ntawm LED teeb, nrog kev tsim kho yooj yim thiab kev ua haujlwm, thiab tuaj yeem hloov mus rau ntau yam duab ntawm cov qauv cua sov, thiab tuaj yeem hloov kho rau cov xim sib txawv kom tau raws li qhov xav tau. cov kev xav tau ntawm kev tsim toj roob hauv pes. Cov mos mos ceramic hais nyob rau hauv cov tshuaj tsuag-hom tshav kub-dissipating xim yog nano-processed. Cov khoom zoo tsis yog tsuas yog yooj yim rau kev khiav lag luam phom, tab sis kuj ua rau cov thermally conductive hais nyob rau tib lub txheej txheej ntau ntom thiab ntom, yog li ntawd lub cheeb tsam uas kub volatilizes thiab diffuses kuj loj dua. Cia lub zog hluav taws xob ntawm cov teeb ci LED tau ua sai sai. Cov xim mos ceramic kub-dissipating xim yog cov khoom siv thermosetting, uas ua raws li RoHS ib puag ncig kev tiv thaiv thiab cov qauv kev nyab xeeb. Cov txheej txheem tsim kho yog yooj yim thiab tsis tas yuav muaj cov cuab yeej tshwj xeeb. Tom qab ci, nws yog kub-kho thiab tuaj yeem tiv taus qhov kub siab ntawm LED rau lub sijhawm ntev yam tsis muaj kev hloov pauv zoo. LED txoj kev teeb, teeb pom kev zoo, lossis LED cov ntawv tshaj tawm siv sab nraum zoov kuj tseem yuav ntsib cov kua qaub thiab alkali kev puas tsuaj los ntawm cua thiab los nag, kua qaub nag noog poob, huab cua plua plav, pa taws dub, thiab lwm yam. Yog li ntawd, cov tshuaj tsuag-hom mos ceramic kub dissipation xim yuav tsum muaj cov yam ntxwv ntawm acid thiab alkali tsis kam. Tam sim no cov kua qaub thiab alkali tsis kam yog PH3 ~ 11, uas tuaj yeem tiv thaiv cov teeb pom kev zoo ntawm LED sab nraum zoov los ntawm kev tawg.
Tus nqi qauv ntawm LED teeb tau txhim kho nrog kev txhim kho ntawm cov khoom ntim tshuab, cov khoom thauj khoom tsim, thiab cov qauv hluav taws xob kub dissipation, thiab qhov zoo tau raug txhim kho tas li. Xav, los ntawm qhov kev xav ntawm kev tsim kho tshiab los txo cov nqi, txhim kho kom zoo thiab nce cov txiaj ntsig
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