Yuav kuaj li cas coj lub teeb Attenuation?

LED attenuation lub teeb yog teeb tsis muaj zog kev txog thaum kis tau tus mob, rau lub teeb yuav ploj mus ntawm LED los ntawm txhua tuam txhab uas muag cov sib txawv, tseem muaj cov hniav lwj lub teeb rau high-power LED, thiab nws tus muaj kev txheeb ze rau qhov kub thiab txias mus, mas yog nyob ntawm seb tus nti, phosphor thiab xob tshuab tshiab ntim. Tus LED luminosity attenuation (xws li luminous flux attenuation, hloov xim, etc.), yog ib qho kev ntsuas txheem LED kom zoo, kuj tseem txhawj txog poj LED manufacturers ntau thiab LED neeg siv.

Raws li tus lifespan lub ntsiab lus rau cov khoom muag LED qhov kev lag luam LED, LED tseem yog cov niamt ua hauj lwm lub sij hawm pib nqi tam sim no txog kev yuav ploj mus lub teeb 50% ntawm cov nqi no yeej. Qhov no txhais tau tias cov LED kaj lug tseem thaum LED achieves cov sij hawm thaum xaus lub neej. Tiam sis, hauv illumination lub teeb tsis muaj cai yog ciali zis attenuation rau nws 50%. Feem ntau, hauv tsev teeb tus lwj lub teeb yuav tsis ntau tshaj li 20%, sab nraum zoov teeb pom kev zoo yuav ploj mus tsis pub tshaj 30%.

Ntawm nimno, cov dawb LED lub teeb attenuation yog ib cov teeb meem uas tseem ceeb tshaj rau nws nkag tau rau neeg peg xeem teeb pom kev zoo tom khw. Thiab manufacturers feem ntau lawv kuaj attenuation txoj kev uas peb:

1) hom kev: tujtaws lit LED, saib cov brightness thiab muaj xim hloov raws tib neeg qhov muag.

(2) siv lub teeb xim kuaj ntsuas: thaum tujtaws lit LED taug txoj cai, uas coj tus LED qhov ua lub teeb xim kuaj ntsuas heev, thiab ntaub ntawv zoo li cas, thiab qhia tau EXCEL los yog lwm yam cuab yeej ntsuam xyuas.

(3) siv kuaj kev seev los ntsuas tus lub teeb yuav ploj mus, uas yog muab lub LED qhov kuaj khoom, thaum cov tujtaws lit, lawv yuav muaj mus txog qhovtwg real-time cov LED brightness thiab xim hloov, yuav muab cov ntaub ntawv.

 

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