Tsim thiab tshawb fawb ntawm cov cuab yeej cua txias nrog cov yeeb nkab cua sov ntawm lub tsheb LED lub taub hau
Nyob rau hauv xyoo tas los no, lub teeb-emitting diode (LED) tau maj mam dhau los ua peb lub teeb ci hauv xyoo pua no. Daim ntawv thov nyob rau hauv kev lag luam tsheb tau dhau los ua ntau dua, thiab nws tab tom yuav dhau los ua lub teeb ci tseem ceeb ntawm tsheb hauv lub sijhawm tshiab. Txawm li cas los xij, vim tias sab xub ntiag lub taub hau muaj lub zog loj thiab muaj zog kub dississic hauv lub tsheb kaw kev txhim kho lub tsheb LED taws teeb; Nws tseem yuav cuam tshuam rau lub neej kev pab cuam ntawm LEDs. Yuav ua li cas los daws qhov teeb meem ntawm tshav kub dissipation nyob rau hauv high-power LED tsheb headlight teeb pom kev zoo ib txwm txwv txoj kev loj hlob ntawm high-power LED tsheb headlights. Kab lus no ua cov kev tshawb fawb hauv qab no thiab tsim cov teeb meem cua txias ntawm lub tsheb LED headlights. Ua ntej tshaj plaws, tom qab kev tshuaj xyuas thiab sib piv ntau yam kev hloov pauv cua sov thiab cov qauv hluav taws xob, ua ke nrog cov xwm txheej tam sim no ntawm LEDs. Tsim los ntawm SolidWorks software tsim nrog high-power LEDs ua lub teeb ci tsheb pem hauv ntej lub teeb, txhua qhov nruab nrog peb qhov sib txawv ntawm cov yeeb nkab cua sov raws li lub tshuab hluav taws xob, uas yog: cov yeeb nkab cua sov; pav ca micro cua sov yeeb nkab radiator thiab radiator ntawm pulsating cua sov kav Essence Lub ntsiab nta ntawm peb lub radiator yog cov qauv yooj yim thiab high efficiency. Nyob rau tib lub sijhawm, nws tsim nyog rau kev tsim khoom kom ua tau raws li lub tsheb halogen headlights tam sim no rau LED teeb hloov kho. Qhov thib ob, tus neeg sawv cev micro-heat yeeb nkab LED bulk radiator qauv yog nkag rau hauv ANSYS Workbench tsom xam software, thiab cov ntaub ntawv ntsuas kub ntawm lub hauv ntej kawg ntawm lub radiator thiab cov ntaub ntawv kub simulation ntawm lub radiator nyob rau hauv pem hauv ntej ntawm lub radiator los ntawm qhov kub simulation. chip node. Lub theoretical qualitative tsom xam xam seb lub micro-heat yeeb nkab radiator ua tau raws li qhov yuav tsum tau ntawm cov cua kub dissipation xav tau kev pab ntawm lub LED headlights thiab seb nws ua tau raws li lub economic zog txuag thiab ib puag ncig tiv thaiv kev ua tau zoo ntawm lub radiator. Thaum lub sij hawm simulation txheej txheem, rau cov kev khiav hauj lwm sib txawv ntawm lub teeb, cov teebmeem ntawm tsis xws li thermal kuj, ambient kub, thiab tis ntsiav tshuaj ntawm lub tshav kub pauv coefficient ntawm lub dab dej kub tau kawm. Cov txiaj ntsig tau pom tias nyob rau hauv ib puag ncig ntawm kev ua haujlwm ib txwm muaj, thaum lub zog ntawm LED lub teeb yog 60W, qhov kub ntawm LED node yog 67 degree C, thiab cov cua kub ntawm lub radiator yog ruaj khov ntawm 0.61k /w; qhov nyuaj ib puag ncig kub thiab lub zog siab, LED pob qhov rooj yog qhov ntsuas kub qis dua 120 ° C, thiab kev hloov pauv coefficient ntawm cov ntsiav tshuaj tis yog ntau dua 80W / m ~ 2 · k. Thaum kawg, peb muaj peev xwm txheeb xyuas tau tias lub tsheb LED headlight microstatic radiator muaj. Los ntawm kev teeb tsa lub platform kev sim, qhov kub ntawm qhov kub ntawm qhov kub thiab qhov kawg ntawm lub tshuab hluav taws xob, cov txiaj ntsig tau pom tias qhov ntsuas kub ntawm micro cua sov yeeb nkab radiator noder kub yog 50W ntawm qhov kub ntawm 60 ° C, qhov kub ntawm qhov kawg. yog 30 degree C, thiab lub sij hawm pib ntawm lub micro cua sov yeeb nkab yog 3min. Tom qab ntawd, peb qhov sib txawv ntawm cov xov xwm acetone, ethanol, thiab cov dej distilled muaj cov kua sib txawv ntawm cov yeeb nkab kub dissipation kev ua tau zoo. Cov txiaj ntsig kev sim: Cov txiaj ntsig zoo tshaj plaws ntawm acetone, qhov qis kawg ntawm qhov kub yog 52 degree C. Tus nqi piv yog 30-40 feem pua rau cov kua dej zoo tshaj plaws. Los ntawm kev simulation thiab kev ntsuam xyuas ntawm cov kab lus no, nws tau txais los ntawm cov yeeb nkab cua sov-based technology. Lub teeb taub hau ntawm lub tsheb LED yog cov kev taw qhia zoo ntawm kev tshawb nrhiav. Rau qee qhov, qhov ntsuas kub ntawm LED lub taub hau ua haujlwm tau zoo txo qhov kub ntawm LED taub hau. Txhim kho lub tshav kub dissipation efficiency ntawm LED thiab txhim kho lub neej kev pab cuam ntawm LED headlights. Nws kuj tseem qhia tau tias hom tshiab ntawm cov yeeb nkab hluav taws xob hluav taws xob tuaj yeem ua tau raws li LED headlights thaum tshav kub kub dissipation yuav tsum.
