Me ntsis kev paub txog cov cua kub dissipation ntawm cov teeb
Tam sim no txhua leej txhua tus tau siv LED teeb. Cov neeg uas tau ua tib zoo saib lawv yuav pom tias cov teeb ci LED muaj ib qho tshwj xeeb: feem ntau muaj lub radiator tom qab lub teeb lub cev. Hais txog qhov tseem ceeb ntawm cov cua kub dissipation, nws tau dhau los ua neeg nyiam txij li kev siv cov teeb ci LED. Txawm hais tias muaj pes tsawg watts ntawm LED teeb tam sim no, nws yog ib qho tsim nyog yuav tsum tau them sai sai rau cov cua kub dissipation.
Vim li cas LEDs ntshai tshav kub?
LED yog qhov tseem ceeb ntawm cov khoom siv hluav taws xob semiconductor (semiconductor tiag tiag yog ib qho khoom tawg yooj yim), tsuav yog qhov kub thiab txias me ntsis, nws yuav degrade nws cov kev ua tau zoo, txo nws txoj sia, thiab tej zaum yuav puas.
Hauv LED nti, muaj ntau yam khoom siv hluav taws xob thiab cov hluav taws xob hauv qab, kom cov cua sov dissipated los ntawm LED thaum lub sijhawm ua haujlwm tuaj yeem dhau mus rau sab hauv lub teeb lub cev nyob rau lub sijhawm, kom qhov kub ntawm LED nws tus kheej nyob ruaj khov. tus nqi kub tsawg.
Txoj kev uas lub teeb dissipate cua sov:
Nyob rau hauv physics, muaj peb yam yooj yim txoj kev ntawm tshav kub conduction, namely conduction, convection thiab hluav taws xob.
1. Kev coj ua
Thawj yog conduction, uas txhais tau hais tias cov cua sov yuav khiav raws lub tshav kub conductor los ntawm qhov chaw uas qhov kub ntawm cov khoom yog siab mus rau qhov chaw uas qhov kub thiab txias.
Yam uas cuam tshuam rau nws yog:
1. Thermal conductivity ntawm tshav kub dissipation khoom
2. Thermal kuj tshwm sim los ntawm tshav kub dissipation qauv
3. Cov duab thiab qhov loj ntawm cov khoom siv thermally conductive
Cov ntsiab lus saum toj no yuav cuam tshuam rau kev ceev thiab kev ua haujlwm ntawm kev hloov hluav taws xob.
2. Hluav taws xob
Radiation yog ib qho tshwm sim uas cov khoom kub kub ncaj qha radiates cua sov sab nraud. Nws qhov kev ua tau zoo nyob ntawm qhov thermal tsis kam ntawm qhov nruab nrab ib puag ncig thiab cov yam ntxwv ntawm cov khoom siv hluav taws xob thermal nws tus kheej.
3. Convection
Convection yog siv cov dej ntws ntawm cov pa los yog kua los nqa tawm cov cua sov uas tsim tawm.
Yuav ua li cas txiav txim qhov kev ua kom txias
Tom qab tshuaj xyuas txoj kev ntawm lub teeb dissipate cua sov, thaum peb tau txais ib lub teeb, peb yuav txiav txim seb nws cov cua kub dissipation yog zoo los tsis?
Tau kawg, txoj kev yooj yim tshaj plaws thiab ceev tshaj plaws yog siv cov cuab yeej tshaj lij los ntsuas qhov kub thiab txias, thiab muaj lwm txoj hauv kev hu ua txoj kev teeb pom kev ib nrab teev. Feem ntau hais lus, thaum qhov kub ntawm qhov sib txuas ntawm LED (qhov kub ntawm PN kev sib tshuam hauv LED nti yog tsuas yog hu ua qhov sib txuas qhov kub) nce, qhov luminous flux yuav txo. Tom qab ntawd, peb tsuas yog yuav tsum ntsuas qhov ntsuas qhov pom kev hloov pauv ntawm lub teeb nyob rau hauv tib txoj haujlwm, thiab tom qab ntawd peb tuaj yeem ntsuas qhov kev hloov pauv ntawm qhov ntsuas kub (tsuas yog xav tau lub ntsuas hluav taws xob).
Benwei Teeb pom kev zoo yog LED Tube, LED dej nyab teeb, LED Vaj Huam Sib Luag Teeb, LED High Bay, LED chaw tsim tshuaj paus nrog 12 xyoo kev paub. Yog tias koj xav yuav lub teeb zoo LED dej nyab lub teeb lossis muaj kev nkag siab ntau ntxiv ntawm daim ntawv thov ntawm LED dej nyab teeb, thov hu rau peb nug, peb lub vev xaib:
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