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Glamor Lighting - Wopanga Katswiri Wowunikira Zowunikira & Wopanga Kuyambira 2003

Zomwe ziyenera kutsatiridwa posankha kuwala kwabwino kwa LED

Zomwe ziyenera kutsatiridwa posankha kapamwamba kabwino ka kuwala kwa LED Mizere yowunikira yowunikira ya LED yomwe tikugwiritsa ntchito pano ndi yamphamvu kwambiri komanso yolimba, ndipo nthawi ya alumali imakhala pafupifupi zaka zitatu. Mfundo yoti ikhale yolimba komanso yolimba ndikuti machitidwe ndi mafotokozedwe ofananira ayenera kutsatiridwa mosamalitsa panthawi yopanga. Zotsatirazi zikuwonetsa mizere yowunikira ya LED panthawi yopanga. Zinthu zofunika kuziganizira. 1. Samalani ndi anti-static, ndipo ndizoletsedwa kukhudza bolodi la PCB popanda chitetezo chokhazikika, zomwe zingayambitse kuwonongeka kwa mikanda yowunikira ya LED. 2. Samalani kuti musakhudze mandala opanda magolovesi, zomwe zingayambitse zala pa mandala.

Zimakhudza kuwala. 3. Samalani ngati phala la solder lomwe lagwiritsidwa ntchito latha (nthawi zambiri, phala la solder litatsegulidwa liyenera kugwiritsidwa ntchito mkati mwa maola 24), ndipo khalidwe la solder phala liyenera kukhala labwino. Ndi njira iyi yokha yomwe moyo wautumiki wa kuwala kwa LED ukhoza kutsimikiziridwa.

4. Samalani ndi guluu wochiritsa, muyenera kuonetsetsa kuti khalidwe la guluu liyenera kukhala labwino. Ndi guluu wochiritsa yemwe amatha kupirira kutentha kwambiri. Kutentha kwakukulu ndi madigiri 70-90. Chifukwa mikanda ya nyali imatulutsa kutentha pamene ikugwiritsidwa ntchito.

Ngati guluu wochiritsa sangathe kupirira kutentha kwambiri, zipangitsa kuti disolo ligwe. 5. Zindikirani kuti disolo la kuwala kwa LED liyenera kuikidwa pamalo ake, ndipo mtunda wa pakati pa lens ndi bolodi la PCB suyenera kupitirira 0.1mm. 6. Zindikirani kuti disolo la kuwala kwa kuwala kwa LED silingapendekeke.

(Ngodya ya kupendekera sikungapitirire 1 ° C) 7. Kusamala pakuyika kwa SMT, makina oyika SMT ayenera kusintha deta ya mikanda ya nyali ndi zotsutsa. Sipayenera kukhala skewing. 8. Dziwani kuti kutentha kwa reflow soldering kuyenera kuyendetsedwa moyenera, apo ayi kudzakhudza mikanda ya nyali ya LED.

9. Mukamapereka guluu, muyenera kuwongolera kuchuluka kwa guluu. Sichingathe kupitirira pamwamba pa bolodi la PCB la LED yofalitsa kuwala kowala. 10. Dziwani kuti zotengerazo ziyenera kuyendetsedwa pansi pa zida zotsutsana ndi static.

Kuphatikiza apo, matumba a PE anti-static amagwiritsidwa ntchito kulongedza kenako ndikuyika m'makatoni.

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