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Tianhui- m'modzi mwa otsogola opanga zida za UV LED ndi ogulitsa amapereka ODM/OEM UV led chip service.

UVLED's Application Field ndi Nkhani Zachitetezo

Kutalika kwa kuwala kwa ultraviolet kumakhala pakati pa kuwala kowoneka ndi X-ray. Kutalika kwake ndi 10 mpaka 400nm. Komabe, ambiri opanga zithunzi zamagetsi amakhulupirira kuti kutalika kwa 430nm ndi ultraviolet. Ngakhale kuti cheza cha ultraviolet sichiwoneka ndi anthu, chimatchulidwabe chifukwa cha maonekedwe a Violet. UV LED yapita patsogolo kwambiri m'zaka zingapo zapitazi. Izi sizongobwera chifukwa cha kupita patsogolo kwaukadaulo kwa chipangizo cholimba cha UV, komanso chifukwa cha kuchuluka kwa nyali za UV zomwe zimapanga malo opanda vuto. Ma LED omwe alipo pamsika wa optoelectronics ali ndi mawonekedwe a kutalika kwa 265 mpaka 420nm. Pali mitundu yambiri yoyikapo, monga kubowola, kuyika pamwamba ndi COB. Jenereta ya UV LED ili ndi ntchito zosiyanasiyana zapadera. Komabe, jenereta iliyonse imakhala yodziyimira payokha mu kutalika kwa mawonekedwe ndi mphamvu yotulutsa. Nthawi zambiri, kuwala kwa UV komwe kumagwiritsidwa ntchito pa LED kumatha kugawidwa m'magawo atatu. Amatanthauzidwa kuti UV-A (mafunde aatali a ultraviolet), UV-B (wapakati pakatikati pa ultraviolet) ndi U V-C (mafunde amfupi a ultraviolet). Chipangizo cha UV A chapangidwa kuyambira 1990. Ma LED awa nthawi zambiri amagwiritsidwa ntchito poyesa kapena kutsimikizira (ndalama, laisensi yoyendetsa kapena fayilo, ndi zina). Zofunikira zotulutsa mphamvu zamapulogalamuwa ndizochepa kwambiri. Kutalika kwenikweni kwa mafunde kuli mkati mwa 390 mpaka 420N m. Zogulitsa zam'munsi za kutalika kwa mafunde sizoyenera kugwiritsa ntchito. Chifukwa ma LED awa amakhala ndi moyo wautali komanso kupanga kosavuta pamsika kumatha kugwiritsidwa ntchito ngati magwero osiyanasiyana owunikira komanso zinthu zotsika mtengo kwambiri za UV. Gawo la gawo la UVA LED lakula kwambiri m'zaka zingapo zapitazi. Zambiri mwazitalizi (pafupifupi 350 390nm) ndizopanga zinthu zamalonda ndi mafakitale, monga zomatira, zokutira, ndi inki. Chifukwa cha kuwongolera bwino, kuchepa kwa mtengo, ndi miniaturization, nyali za LED zili ndi zabwino zambiri kuposa ukadaulo wachikhalidwe cholimba, monga nyali za mercury kapena fulorosenti. Chifukwa chake, njira zogulitsira zimalimbikitsa nthawi zonse kugwiritsa ntchito ukadaulo wa LED, kupangitsa kuti mayendedwe olimba a LED awonekere. Ngakhale mtengo wa kutalika kwa mafundewa ndi wokwera kwambiri kuposa wa UV A, kupita patsogolo kofulumira kwaukadaulo wopanga komanso kukwera kosalekeza kwa zokolola kukuchepetsa mtengo pang'onopang'ono. Ma UV A otsika komanso apamwamba a UV B wavelength (pafupifupi 300-350nm) ndi madera omwe angogulitsidwa posachedwa. Zida zazikuluzikuluzi ndizoyenera kugwiritsa ntchito zambiri, kuphatikiza kuchiritsa kwa ultraviolet, biomedical, kusanthula kwa DNA, ndi mitundu yosiyanasiyana ya zomverera. Pali kuphatikizika kwakukulu mumitundu itatu iyi ya UV. Choncho, posankha, musamangoganizira zomwe zili zoyenera kwambiri, komanso muyenera kuganizira zomwe zili zotsika mtengo kwambiri. Chifukwa mafunde otsika nthawi zambiri amatanthauza mtengo wapamwamba wa LED. UV B ndi UV C wavelength range (pafupifupi 250-300nm) ndi gawo lalikulu poyambira. Komabe, chidwi ndi kufunikira kwa kugwiritsa ntchito zinthu zotere panjira yoyeretsera mpweya ndi madzi ndizolimba kwambiri. Pakalipano, makampani ochepa okha ndi omwe amatha kupanga ma LED a UV mkati mwa mawonekedwe a kutalika kwa mafunde, ndipo ngakhale makampani ochepa amatha kupanga zinthu zokhala ndi moyo wokwanira, wodalirika komanso wogwira ntchito. Chifukwa chake, mtengo wa chipangizo cha UVC/B ukadali wokwera kwambiri, ndipo ndizovuta kugwiritsa ntchito pazinthu zina. Funso lodziwika bwino la UV LED ndilakuti: Kodi adzabweretsa zoopsa zobisika? Monga tanena kale, kuwala kwa UV kuli ndi magawo angapo. Gwero lowunikira kwambiri la UV ndi babu lakuda. Izi zakhala zikugwiritsidwa ntchito kwa zaka zambiri. Amagwiritsidwa ntchito popanga zowunikira kapena fulorosenti pazojambula, komanso kutsimikizira utoto ndi ndalama. Kuwala komwe kumapangidwa ndi mababu awa nthawi zambiri kumakhala ku UV A, pafupi kwambiri ndi mafunde owoneka bwino komanso mphamvu zochepa. Ngakhale kuwonetseredwa kwakukulu kwatsimikiziridwa kukhala kokhudzana ndi khansa yapakhungu ndi zovuta zina zomwe zingatheke, monga kukalamba msanga kwa khungu, mawonekedwe a UVA ndiye otetezeka kwambiri pamagetsi atatu a UV. UV C ndi kuwala kochuluka kwa UV B kumagwiritsidwa ntchito makamaka potsekereza ndi kupha tizilombo. Kuwala kwa mafundewa sikungovulaza tizilombo toyambitsa matenda. Magetsi a LED awa ayenera kukhala otsekedwa nthawi zonse, ndipo sayenera kuyang'ana maso amaliseche, ngakhale akuwala pang'ono. Kuwonetseredwa molingana ndi kutalika kwa mafundewa kungayambitse khansa yapakhungu komanso kutayika kwa kanthawi kochepa kapena kosatha kapena kutayika.

UVLED's Application Field ndi Nkhani Zachitetezo 1

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