LED teeb yog ib qho kev xaiv nrov rau lub tsev thiab kev lag luam teeb pom kev zoo, tab sis cov neeg siv yuav pom tias cov teeb no dhau los ua dimmer nrog kev siv lub sijhawm. Qhov no tej zaum yuav ua rau koj xav tsis thoob: vim li cas LED teeb ua kom tsaus thiab tsaus dua thaum lawv siv?
Yuav kom nkag siab qhov tshwm sim no, nws yog ib qho tseem ceeb kom paub tias LED teeb ua haujlwm li cas. LED sawv cev rau "lub teeb-emitting diode," thiab nws tsim lub teeb los ntawm kev txav ntawm electrons los ntawm cov khoom siv semiconductor. Cov xim ntawm lub teeb nyob ntawm seb cov khoom siv rau semiconductor. Txawm hais tias qhov tseeb tias LED qhov muag teev yog txhais tau tias yuav kav ntev, lawv tseem tuaj yeem ua dimmer dhau sijhawm.
Ib qho laj thawj rau qhov no yog qhov degradation ntawm cov khoom sab hauv ntawm lub teeb. Cov semiconductors thiab lwm yam sab hauv ntawm LED teeb yuav pib degrade tom qab siv ntev. Qhov degradation no tuaj yeem ua rau txo qis ntawm qhov ci ntawm lub teeb.
Lwm qhov tseem ceeb uas tuaj yeem cuam tshuam rau LED lub teeb ci dhau lub sijhawm yog overheating. Overheating yog ib qho ua rau LED teeb tsis ua haujlwm. Yog tias lub teeb LED tsis dissipate cua sov kom zoo, nws tuaj yeem ua rau lub teeb kub hnyiab tawm ntxov. Overheating kuj tuaj yeem ua rau txo qhov ci ntawm lub teeb thaum lub sijhawm.
Thaum kawg, tus tsav tsheb ntawm lub teeb ci LED kuj tuaj yeem ua rau lub teeb dimming. Tus neeg tsav tsheb ntawm lub teeb ci LED tswj cov nqi hluav taws xob uas ntws los ntawm lub teeb. Tus neeg tsav tsheb tuaj yeem ua haujlwm tsis zoo lossis txo qis nrog lub sijhawm thiab ua rau lub teeb ua kom lub teeb ci tsawg dua.
Yuav kom txo tau cov teeb meem no, cov neeg siv yuav tsum tau ceev faj kom tsis txhob overheating ntawm LED teeb. Rau qhov no, tus neeg siv yuav tsum nco ntsoov xyuas kom meej tias lub teeb pom kev zoo sib xws nrog lub teeb thiab tsis tsim hluav taws xob ntau dhau. Ntxiv mus, lawv yuav tsum tsis txhob tso lub teeb rau lub sijhawm ntev lossis thaum lawv tsis xav tau, vim qhov no tuaj yeem ua rau muaj cua sov thiab tsis ua haujlwm ntawm lub teeb LED.
Hauv kev xaus, LED teeb tuaj yeem dhau los ua dimmer nrog lub sijhawm vim qhov kev puas tsuaj ntawm cov khoom sab hauv ntawm lub teeb, overheating, thiab tsis ua haujlwm ntawm tus tsav tsheb. Los ntawm kev ceev faj kom raug, xws li kev ua pa kom zoo, tsis txhob muaj cua sov, thiab tua lub teeb thaum tsis siv, cov neeg siv tuaj yeem tswj hwm lawv cov teeb ci LED rau lub sijhawm ntev.
