Kusamvetsetsa 1, chiyembekezo cha moyo weniweni wautumiki ndichokwera kwambiri wopanga nyali ya nyali ya LED akuyembekeza kuti moyo wa nyali ya LED ufikire maola 100,000. Komabe, monga magwero onse oyambira, kuwala kwa kuwala kwa mikanda ya nyali ya LED kwachepanso pakapita nthawi. Chifukwa chake, ngakhale nthawi yowunikira ya mikanda ya nyali ya LED ikhoza kukhala yayitali, MTBF sikuti ndiyo yokhayo yomwe ingaganizidwe pakuzindikira moyo wautumiki. Kuwola kwa mikanda ya nyali ya LED kumakhudzidwa ndi zinthu zambiri zachilengedwe monga kutentha kwa chilengedwe, chinyezi ndi mpweya wabwino. Mphamvu ya kuchepa kwanthawi yayitali imakhudzidwanso ndi kuwongolera, kasamalidwe ka kutentha, kuchuluka kwapano, ndi zina zambiri zamapangidwe amagetsi. Ogulitsa ambiri angapereke makasitomala zidziwitso zosamveka pazifukwa zina akagulitsa mikanda ya nyali ya LED, zomwe zimayambitsa kusokeretsa. Mwachitsanzo, moyo wautumiki wa mikanda ya nyali ya LED ndi pafupifupi maola 100,000. Maola 100,000 apa akutanthauza moyo womwe wopanga amayembekeza Wowunikira wa LED. Komabe, monga gwero lounikira, kuwala kwa nyali kumakhala ndi njira yowola pang'onopang'ono (monga kuwala kwa dzuwa, nyali zopulumutsa mphamvu). Njira imeneyi imatchedwa kuwola kwa kuwala. Chifukwa chake, ogula ayenera kulabadira kuthamanga kwake kowola pogula mikanda ya nyale ya LED, osagwiritsa ntchito nthawi. Ogula sangayembekezere moyo weniweniwo. Gawani ngodya yeniyeni yowunikira ngati ngodya yothandiza ya mikanda ya nyali ya LED mu ngodya yogwira mtima ndi ngodya yeniyeni yotulutsa kuwala ngati ngodya yabwino ya mikanda ya nyali ya LED. Ngodya pakati pa ngodya pakati pa njira ya mphamvu yotulutsa mphamvu ndi theka la mphamvu ya axial ndi kuwala kwa axial (njira) ndi njira yovomerezeka. Kuwirikiza kawiri ngodya (kapena semi -power angle) ya theka -value angle ndiyo yowunikira kwenikweni. Ngongola kupitirira ngodya ya mphamvu ya axial, chifukwa kuwala kuli kofooka kwambiri pakugwiritsa ntchito kwenikweni, sikuwerengera pa ngodya yoyenera. Chifukwa chake, ogula ayenera kulabadira kuwunikira kwenikweni kwa chinthucho pogula zinthu. Powerengera kuchuluka kwazinthu zomwe zimagwiritsidwa ntchito powerengera, njira yeniyeni yowunikira ndiyofunikira. Kusamvetsetsa katatu, mphamvu ikukulirakulira, ndipamwamba kuwala kwa mikanda ya nyali ya LED yoyezedwa ndi mphamvu yotulutsa kuwala. Kuwala emitting mwamphamvu amatanthauza kuwala emitting mwamphamvu mu malangizo a njira mzere (kwa cylindrical kuwala chitoliro amatanthauza olamulira ake) Kuwala kumayenda, unit ndi nyali (CDLA, CD). Chifukwa kuwala kowala kwa mikanda yambiri ya nyali ya LED ndi yaying'ono, kuwala kowala kumagwiritsidwa ntchito m'magawo a dzikolo. Nthawi zambiri, gwero la kuwala limatulutsa kuwala kwake mosiyanasiyana mbali zosiyanasiyana. The looneka kuwala poizoniyu mphamvu yotulutsidwa mu atatu -dimensional ngodya wa unit mu njira yeniyeni amatchedwa kuwala kwambiri, amatchedwa kuwala olamulira. Kuchokera ku lingaliro la mphamvu mpaka ku mphamvu ya mphamvu panthawi imodzimodziyo, yamakono ndi yofulumira, yamakono ndi yofulumira, magetsi ndi aakulu; panopa ndi pang'onopang'ono, mphamvu yamagetsi ndi yaing'ono, kapena mu nthawi yofanana, momwe panopa ikuchitira panopa, mphamvu yamagetsi imakhala yaikulu. Pa mikanda ya nyali ya LED, mphamvu ikakulirakulira, imapangitsa kuwala kwa chinthucho. Kutenga mikanda itatu yofiira yofiira ya LED ya Yimei Electronics monga chitsanzo, pamene kuwala kwa axial ndi 1200mcd, panopa ndi 40mA ndipo mphamvu ndi 0.48W; nyali zitatu zoyera za nyali za LED zili pansi pa kuwala komweko, panopa ndi 18mA, mphamvu ndi 0.24W yokha ndi 0.24w Zitha kuwoneka kuti mphamvu ya nyali ziwiri pansi pa kuwala kofanana ndi yosiyana. Chifukwa chake, ogula ayenera kulabadira kuwala kwake kozungulira pogula mikanda ya nyali ya LED, osati mphamvu.
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