Bandhigyada LED-ka ayaa meel walba yaal maalmahan. Waxay yihiin kuwo midab leh oo dhalaalaya, oo ku dara midab badan nolosheenna. Laakin waligaa ma is weydiisay waxa muraayadahan LED-ka laga sameeyay? Maanta, aan ka hadalno qaybaha muhiimka ah ee bandhigyada LED-ka-lamp.
Mid ka mid ah qaybaha asaasiga ah ee bandhigyada LED waa kuulka laambada, kuwaas oo u badan xabadaha ama cuboids oo leh noocyo kala duwan oo tilmaamo ah, sida 3535, 3528, 2835, 2727 (2525), 2121, 1921, 1515, 1010, iwm. bir ka samaysan, oo ay ka buuxaan xabag oo la engejiyey. Dusha sare ee iftiinka leh ayaa badanaa ah mid hal hore ah, iyo biinanka laambada si toos ah ayaa loogu iibin karaa looxa wareegga PCB oo leh dusha alxanka.
Nalalka LED-yada waxay leeyihiin tilmaamo iyo moodooyin kala duwan si ay ula qabsadaan xaaladaha kala duwan ee codsiga. In berrinkii SMDs LED gudaha, tilmaamo kuul laambad caadiga ah waxaa ka mid ah 0505, 1010, 1515, 2121, 3528, iwm In codsiyada dibadda, lagu daydo caadiga ah waxaa ka mid ah 1921, 2525, 2727, 3535, 5050, iwm Tirooyinkan waxay u taagan yihiin size ee qaybaha LED. Tusaale ahaan, 0505 macnaheedu waa in dhererka iyo ballaca qaybta LED ay labaduba yihiin 0.5mm.
Sharaxaad tafatiran oo ku saabsan qeexitaannada kuul laambada
Cabbirka metric ee 0505 kuul laambad waa 0.5mm × 0.5mm, iyo soo gaabinta warshadaha waa 0505;
Cabbirka metric ee 1010 kuul laambadood waa 1.0mm × 1.0mm, soo gaabinta warshadahana waa 1010;
Cabbirka metric ee 2121 kuul laambadood waa 2.1mm × 2.1mm, soo gaabinta warshadahana waa 2121;
Cabbirka metric ee 3528 kuul kuul waa 3.5mm × 2.8mm, soo gaabinta warshaduna waa 3528;
Cabbirka metric ee 5050 kuul kuul waa 5.0mm × 5.0mm, soo gaabinta warshaduna waa 5050.
Waxaa jira soosaarayaal badan oo caan ah oo soo saara muraayadaha iftiinka LED-ka ee adduunka,
Kuullaha nalalka LED-ka waxaa loo baakadeeyay siyaabo kala duwan, oo ay ku jiraan fur-in toos ah, SMD, awood sare iyo COB LED kuul. Isla mar ahaantaana, kuullaha nalalka LED-ka ayaa sidoo kale midab leh, oo ay ku jiraan casaan, jaalle-cagaaran, jaalle, oranji, buluug, guduud, casaan iyo caddaan.
Marka la aqoonsanayo tiirarka togan iyo kuwa taban ee laambada LED-ka, waxaan ku kala saari karnaa calaamadeynta iyo qaab-dhismeedka. Caadiyan, tiirka togan waxa lagu calaamadin doonaa dhibic yar ama saddex xagal oo waxa uu ka soo bixi doonaa dibadda; halka tiirka taban aanu lahayn wax calaamad ah oo uu ka yara gaaban yahay tiirka togan. Haddii tiirarka togan iyo kuwa taban aan la go'aamin karin, waxaan sidoo kale u isticmaali karnaa multimeter si loo tijaabiyo.
Doorashada calaamad ku habboon nalalka LED-ka ayaa muhiim u ah hagaajinta waxqabadka iyo nolosha alaabada LED. Markaad dooranayso calaamad, waxaan u baahanahay inaan tixgelinno arrimo badan si aan u hubinno in calaamadda la doortay ay buuxisay shuruudahayaga.
Sababtoo ah xaddidaadkeeda qaabdhismeed, kuullaha nalalka LED-ka ee tooska ah ayaa inta badan lagu isticmaalaa alaabada bannaanka ah ee leh meelo kala fog sida P10, P16, iyo P20. Dusha sare ee dusha sare ee nalalka LED-ka ayaa si weyn loogu isticmaalaa codsiyada dibadda iyo gudaha sababtoo ah qaabdhismeedkooda caadiga ah, biraha la isku hagaajin karo, iyo noocyo kala duwan. Haddii ay tahay dibadda P13.33, P10, P8 iyo kala dheeraynta kale, ama gudaha P1.875, P1.667, P1.53, P1.25 iyo codsiyada kale ee yar yar, kuul-korka-korka LED kuulku dabooli karaan baahida.
Rajada horumarinta ee muraayadaha nalalka LED-ku waxay muujinayaan isbeddel togan. Iyada oo ay wataan arrimo badan sida horumarka tignoolajiyada, kobaca baahida suuqa iyo taageerada siyaasadda, waxqabadka tusaha nalalka moduleka ayaa sii wadi doona horumarinta iyo goobta codsigu way sii socon doontaa. Mustaqbalka, waxaan haysanaa sabab aan ku aaminsanahay in muraayadaha nalalka LED-ka ee muraayadaha nalalka ay door muhiim ah ka ciyaari doonaan meelo badan oo ay dadka u keeni doonaan khibrad muuqaal ah oo midab leh.
Waqtiga boostada: Agoosto-19-2024