Momwe Mungasankhire tchipisi tapamwamba za LED

Mliri wa COVID-19 wawonjezera chidwi pa zida zophera tizilombo za UVC LED, kukankha UVC LED—mankhwala akadali mu magawo oyambirira a chitukuko mofulumira—ku tsogolo.

Popeza ukadaulo wa UVC LED udakali wakhanda, palibe miyezo yadziko kapena yamakampani. Kuphatikiza apo, popeza palibe mulingo wovomerezeka woyezera kunyezimira komanso kulimba kwa tchipisi ta UVC LED, palibe zida zilizonse zoyesera za UVC za LED zomwe zimagwirizana ndi muyezowo.

Kodi pali kusiyana kotani pakati pa tchipisi ta LED (SMDs)? Ndisankhe mtundu uti?

Mupeza kuti msika wadzaza ndi kuthekera kodabwitsa kwamitundu yosiyanasiyana yamitengo ngati mungasaka mababu a Led kuti mupange nyumba kapena malonda. Zingakhale zokopa kusankha chowongolera cha LED chomwe ndichotsika mtengo kwambiri. Komabe, mawonekedwe otsika mtengo a LED si njira yabwino nthawi zonse chifukwa mtundu wa kuyatsa kwa LED umasiyana kwambiri pakati pa opanga. Pamene kupulumutsa mphamvu, kugwira ntchito, kukonza, ndipo nthawi zina, mtengo wosinthira umaganiziridwa, mtengo wotchipa wa LED ukhoza kuwononga ndalama zambiri pakapita nthawi. Kuti mutsimikizire kuti mukulandiradi mtengo wabwino wandalama zanu komanso kuti mukwaniritse ntchito yowunikira ya LED yopambana, ndikofunikira kuti muwunike mosamala ndikufanizira mawonekedwe a zida za LED zomwe mukuziganizira.

Mitundu ya chip ya LED kuchokera kumitundu yosiyanasiyana Uv anatsogolera opanga  angagwiritsidwe ntchito popanga kuwala kwa LED.

Posiyanitsa mitundu iwiri yotchuka ya chip pamsika ya tepi ya LED, 3528 ndi 5050, tiwonetsa kusiyanitsa kwakukulu pakati pawo m'magawo otsatirawa.

Kusiyanitsa kuyerekeza LED 3528 ndi 5050

Ma tchipisi angapo a LED atha kugwiritsidwa ntchito kupanga kuyatsa kwa Mzere wa LED. Kukula kwa chip kumawonetsedwa ndi manambala omwe mukuwona, monga 3528 ndi 5050. Miyeso yomwe mukuwona pamwambapa ndi mapanelo akale omwe akhala akufala kwakanthawi. Pakadali pano, tchipisi ta LED mu makulidwe a 2835, 3014, 5630, ndi 3020 ndizophatikizana komanso zogwira mtima. Iliyonse ili ndi ubwino wake ikagwiritsidwa ntchito moyenera. Onse sangalamuliridwe ndi chip "chimodzi".

Amagwiritsidwa ntchito, makamaka magetsi osintha mtundu wa RGB, mukangofuna kuunikira pang'ono pamalo anu antchito. 5050 LED ndiyoyenera kwambiri kuunikira malo omwe atha kukhala ndi kuwala kwachilengedwe chifukwa, mongoyerekeza, poyerekeza mizere yokhala ndi tchipisi tofanana, ma SMD 5050 ma LED amatha kutulutsa kuwala komwe kumakhala kowirikiza katatu kuposa kwa 3528. mizere. Pali chiwerengero chochepa chomwe chingagwirizane ndi PCB chifukwa cha kukula kwawo. Ma 5050s ali ndi malire owala akagwiritsidwa ntchito motere.

Ngakhale amatulutsa kutentha kwambiri kuposa tchipisi tating'ono, amaterobe pamlingo wochepa kwambiri kuposa mitundu ina yowunikira. Kusamutsa kutentha kutali ndi tchipisi, ma LED awa amafunikira PCB yokulirapo.

Mosiyana ndi ma LED a 3528, ma 5050s amatha kusakaniza tchipisi tating'ono tating'ono tating'ono tating'ono tating'ono tating'onoting'ono kuti apange mamiliyoni amitundu yosakanikirana.

Ma LED a 3528 SMD omwe ali ndi kachulukidwe kakang'ono ndi abwino kugwiritsa ntchito mtundu umodzi, ngakhale chip 5050 chitha kugwiritsidwa ntchito pamapulogalamu omwe amafunikira mtundu umodzi wokha.

Kodi Chip cha UVC LED chimayesedwa bwanji?

Kuyeza kwamtundu wa chip wa I-V ndikosavuta. Woyesa angagwiritsidwe ntchito kuyeza mwachindunji, kapena njira yoyesera yowongoka yopangidwa ndi nthawi zonse komanso voltmeter ikhoza kupangidwa. Opanga ma CD a LED amatha kugwiritsa ntchito ma voliyumu ndi makina oyesera amakono a Leeds photoelectric character tester mozama, gwero lamphamvu lamphamvu, kenako ndikujambulitsa mawonekedwe a I-V atayeza voteji yofananirayo posintha zomwe zilipo. Dongosololi limapangidwa ndi gwero lamagetsi lakunja, chowunikira cha LED - strain tester, ndi EVERFINE U-20 yakuya ya UV irradiance mita.

Chida chosinthira ngodya ndi mtunda chimaphatikizidwa ndi choyesa chowunikira cha LED, zomwe zimapangitsa kuti miyeso ikhale yosavuta.

Kupanikizika kwa kuwala kwa LED - strain tester ili ndi chipangizo chosinthira ngodya ndi mtunda, zomwe zimapangitsa kuti zikhale zosavuta kuyeza kuchuluka kwa ma radiation pamakona ndi mtunda wosiyanasiyana. DC yokhazikika yamagetsi imapereka mphamvu pamayeso. Kusintha kwamagetsi kwamagetsi kumalola kuwongolera bwino kwazomwe zikulowa mu LED.

Tchipisi ta LED zimayang'anira kusintha magetsi kukhala kuwala, ndipo amawongolera mtundu ndi mtundu wa kuwala komwe chowongolera cha LED chimatulutsa. Ngakhale pali opanga ma chip ambiri a LED padziko lonse lapansi, pali kusiyana kwakukulu pakukula kwa chip cha LED ndi magwiridwe antchito pamsika. Opanga tchipisi ta LED amapezeka ku China ndi South Korea, komanso makampani odziwika bwino ku United States ndi Japan.

Chifukwa chiyani ndikofunikira kusankha zosintha za LED zomwe zimagwiritsa ntchito tchipisi tambiri za LED?  

Ngakhale pakati pa tchipisi ta LED kuchokera pagulu lomwelo, pamakhala kusiyana kwamtundu wowala, kuwala, ndi magetsi panthawi yopanga.

bins" molingana ndi mikhalidwe yawo. "Mabins" opapatiza kwambiri amagwiritsidwa ntchito ngati tchipisi tapamwamba kwambiri za LED, kutsimikizira kuti zosintha zilizonse pakati pa tchipisi ndizochepa kwambiri kotero kuti sizingawonekere. Ziribe kanthu kukula kwa polojekiti yanu yowunikira LED, mutha kutsimikizira magwiridwe antchito a LED posankha zosintha za LED pogwiritsa ntchito tchipisi tapamwamba kwambiri.

Komwe mungagule tchipisi tapamwamba za LED kuchokera

Mmodzi wa pamwamba Uv anatsogolera opanga  kuwala kwa UV LED ku China ndi Tianhui Electronics . Zopereka zathu zikuphatikiza kafukufuku ndi chitukuko mu sayansi, Thandizo laukadaulo, ndi ntchito ya Design Kugulitsa zinthu zamagetsi 5. Kugwiritsa ntchito nyali ya UV ku bolodi la microcircuit. Ndife amodzi mwa omwe akutsogola kwambiri ku Asia Uv di miza  kupereka ogula ndi Njira ya UV LED , katundu, ndi ntchito. Zopereka zathu zikuphatikiza UVA, UVB, ndi UVC kuchokera ku zazifupi mpaka zazitali zazitali komanso mawonekedwe athunthu a UV LED kuyambira kutsika mpaka kumphamvu kwambiri. Zofuna zamakasitomala ndizofunikira kwambiri, ndipo tadzipereka kuwapatsa ntchito zabwino kwambiri.