Kev tsom xam ntawm kev ua kom sov dissipation thiab optimization tswvyim ntawm high-power LED teeb
Lub tshav kub dissipation kev ua tau zoo ntawm high-power LED teeb yog tsuas yog ua tiav los ntawm optimizing lub tshav kub dissipation qauv thiab cov ntaub ntawv kub dissipation. Nyob rau hauv tus txheej txheem ntawm LED tsim, nws yog ib qho tsim nyog yuav tau xav txog qhov chaw ua haujlwm tshwj xeeb, xaiv cov khoom siv hluav taws xob zoo tshaj plaws, thiab simulation simulation los kho cov qauv ntawm LED teeb kom ntseeg tau tias qhov kub kub dissipation kev ua tau zoo ntawm LED teeb.
1. Kev ua kom zoo ntawm cov qauv cua sov dissipation
Txhawm rau ua kom zoo dua cov qauv hluav taws xob hluav taws xob ntawm lub zog hluav taws xob LED teeb, peb yuav tsum ua ntej txhim kho cov qauv fin. Raws li cov ntaub ntawv thiab cov txiaj ntsig ntawm tus qauv simulation, qhov fin qhov siab thiab qhov ntev tau txheeb xyuas. Feem ntau hais lus, qhov siab ntawm high-power LED teeb yog feem ntau nyob rau hauv thaj tsam ntawm 0.05-0.11 meters, thiab cov cua kub dissipation kev ua tau zoo heev. Nws tuaj yeem muab faib ntxiv rau hauv 0.05-0.11m, feem ntau yog 0.071-0.11m, thaum lub qhov siab qhov siab nce mus txog qhov siab no, lub nti kub zoo li tiaj tus , thiab nyob rau hauv qhov ntau ntawm 0.05-0.07m, thaum lub qhov siab qhov siab nyob rau hauv qhov ntau, lub nti kub hloov tau zoo heev. Yog li ntawd, qhov siab ntau ntawm cov fins yuav tsum tau tswj kom tau txais ntau dua nti kub dissipation kev ua tau zoo. Tsis tas li ntawd, qhov ntev fin yog 0.03-0.12m, uas yog qhov zoo tshaj plaws nyob rau hauv qhov ntev ntawm high-power LED fins.
Ntawm qhov tod tes, cov slits thiab los ntawm qhov yog cov kev sib txuas ntawm LED teeb qhov chaw, thiab LED substrate yog qhov chaw uas muaj qhov kub siab tshaj plaws nyob rau hauv tag nrho lub teeb. Qhov no qhia tau hais tias lub tshav kub kis tau tus mob channel ntawm lub teeb LED pib los ntawm lub nti, mus rau qhov sib txawv thiab los ntawm lub qhov, thiab ces mus rau lub substrate, thiab lwm yam tshaj kub yog tsuas yog tshem tawm los ntawm tshav kub dissipation channel. Nyob rau hauv txoj kev no, raws li qhov xwm txheej tshwj xeeb ntawm lub zog siab LED teeb, cov qauv sab hauv thiab cov qauv ntawm LED teeb tuaj yeem hloov kho. Tus naj npawb ntawm cov fins feem ntau yog teem rau ntawm 12-16 daim, feem ntau yog xam qhov siab tshaj plaws tshav kub dissipation tus nqi ntawm cov fins, thiab ua rau kom lub siab tshaj plaws kub dissipation tus nqi los ntawm lub fins ua ke thiab qhov chaw, thiaj li mus cuag lub siab kub dissipation. kev ua haujlwm ntawm cov fins ntawm ib lub sijhawm. .
2. Kev xaiv cov khoom siv
Kev xaiv cov khoom siv LED yog qhov tseem ceeb heev. Nws yog ib qho tsim nyog los tshuaj xyuas qhov chaw ua haujlwm thiab cov cua kub dissipation uas yuav tsum tau muaj lub zog hluav taws xob LED teeb, thiab niaj hnub tsim cov khoom siv hluav taws xob zoo tshaj plaws. Tam sim no, cov ntaub ntawv kub dissipation ntawm high-power LED teeb yog tsuas yog nyiaj, txhuas, thiab txhuas alloys, supplemented los ntawm lwm yam ntaub ntawv tshiab. Ua ntej ntawm tag nrho cov, tsoos nyiaj, txhuas, aluminium alloy thiab lwm yam ntaub ntawv yog tus nqi-zoo, yog li lawv tau dav siv nyob rau hauv kev ua lag luam. Cov khoom siv thermal dissipation feem ntau sib txawv hauv thermal conductivity, uas muaj feem cuam tshuam rau cov cua sov dissipation thiab conduction efficiency. Los ntawm qhov kev xav ntawm thermal conductivity, nyiaj muaj qhov siab tshaj plaws thermal conductivity, uas txiav txim siab tias nws tuaj yeem txo qhov thermal tsis kam thiab txhim kho tag nrho cov thermal conductivity. Txawm li cas los xij, nyob rau hauv cov nqe lus ntawm tus nqi, tus nqi yuav khoom ntawm cov nyiaj yog qhov siab, thiab nyob rau hauv cov nqe lus ntawm kev ua tau zoo, lub elasticity thiab hardness ntawm nyiaj yog tsis txaus. Yog li ntawd, cov ntaub ntawv tseem ceeb rau high-power LEDs yog aluminium, aluminium alloys thiab tooj liab. Cov LEDs uas twb muaj lawm feem ntau yog siv txhuas los ua cov khoom siv hluav taws xob tseem ceeb, thiab qee cov tooj liab yuav raug ntxiv kom tsim nyog, yog li tus nqi kev ua tau zoo kuj siab. Tsis tas li ntawd, nyob rau hauv xyoo tas los no, kev txhim kho cov khoom siv hluav taws xob hluav taws xob tshiab LED tau raug txhim kho tas li, thiab cov khoom siv hluav taws xob tshiab tau ua rau muaj kev vam meej, ntxiv kev nthuav dav ntawm daim ntawv thov ntawm LED teeb nyob rau hauv ntau qhov chaw ua haujlwm, xws li MAP{{5} } cov ntaub ntawv kub dissipation haum rau qhov kub thiab txias thiab tsis tshua muaj siab, Nws yog ib qho kev txhim kho zoo. Tsis tas li ntawd, nrog rau kev txhim kho cov khoom siv hluav taws xob thiab kev hloov pauv hauv ib puag ncig ua haujlwm ntawm lub zog hluav taws xob LED teeb, kev ua haujlwm thiab cov duab ntawm cov khoom siv hluav taws xob tau hloov kho tas li, thiab kev vam meej tau ua tiav.
3. Kev ua tau zoo tshaj plaws
Ua ntej tsim thiab tsim cov roj teeb muaj zog LED, kev ua haujlwm zoo yuav tsum tau ua, kev sim ntsuas kub thiab cov ntaub ntawv txheeb xyuas yuav tsum tau ua, txhawm rau tsim cov khoom lag luam nrog kev ua tau zoo hauv kev ua haujlwm sib txawv. Thaum lub sij hawm xeem txheej txheem, kev ua tau zoo ntawm high-power LED teeb yuav tsum teeb tsa qhov chaw sim thiab cov khoom siv raws li kev ua haujlwm, thiab nrhiav kev daws teeb meem zoo tshaj plaws los ntawm kev sim simulation. Thaum lub sij hawm kuaj, ua kom qhov kub thiab txias tsis tu ncua, simulate qhov zoo tshaj plaws ntawm LED teeb nyob rau hauv lub xeev zoo tshaj plaws, kho qhov kev ua tau zoo thiab optimize qhov kev ua tau zoo los ntawm kev kho cov khoom thiab cov qauv. Tam sim no, high-power LED teeb tau tsim nrog kev ntsuas kub los ntsuas qhov kev ua tau zoo ntawm LED teeb. Tau kawg, yuav muaj qee qhov sib txawv hauv cov txiaj ntsig kev xeem, tab sis tag nrho cov ntaub ntawv xa tawm txoj cai tsis txawv ntau. Yog tias txoj cai faib cov ntaub ntawv sib txawv heev, nws yuav tsum xav txog seb puas muaj lwm yam teeb meem xws li qhov ntsuas kub tsis ruaj khov thiab tsis ruaj tsis khov voltage kab hauv simulation.
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