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Tianhui- daya daga cikin manyan UV LED guntu masana'antun da kuma masu kaya bayar da ODM/OEM UV jagoranci guntu sabis.

Manyan Dalilai guda uku na ƙwanƙwasa fitilar LED A zahiri suna shafar ingancin fitilun LED

Abubuwa uku masu mahimmanci na beads na fitilar LED sun yi tasiri sosai ga ingancin fitilun LED. Bari mu dubi cikakkun dalilai tare: bayanan da aka gano ta hanyar fitilar fitilar LED guda ɗaya a kan allo na tsufa, da kuma haɗa kullun fitilu na LED a matsayin ɗaya Bayanan da aka gano lokacin da fitilar ta tsufa, dole ne ya zama ɗan bambanta. . Girman waɗannan bambance-bambance ya dogara da sigogi na lantarki da kuma ƙirar fitilu a lokacin aikin LED, da kuma yanayin da fitilu ke amfani da su. 1. Ingantattun beads ɗin fitilun LED don fitilun fitilu na LED shine mahimmancin mahimmanci. Misali, guda yana wakilta guntu guntu na guntu 14mil, da beads ɗin fitilar fitilar da aka haɗa ta ƙasan danko da farin manne da marufi da manne da aka yi da resin epoxy na yau da kullun, wanda ya kunna guda ɗaya a cikin yanayin 30. digiri. Bayan dubban sa'o'i, bayanan da aka rage shine 70% na lalatawar gani; idan nau'in D nau'in D low-lalacewar manne yana ɓoye, a cikin yanayin tsufa iri ɗaya, lalata hasken awa 1,000 shine 45%; , Raunin haske na awa 1,000 shine 12%; idan nau'in B yana kunshe a cikin ƙananan ƙarancin manne, a cikin yanayin tsufa iri ɗaya, dubban sa'o'i na lalata haske na -3%; idan Class A yana da ƙarancin raguwa, a cikin yanayin tsufa iri ɗaya, dubban sa'o'i na haske a cikin yanayin tsufa iri ɗaya, dubban sa'o'i na haske a cikin yanayin tsufa iri ɗaya, dubban sa'o'i na haske a cikin yanayin tsufa iri ɗaya, dubban sa'o'i. hours na haske a cikin yanayin tsufa iri ɗaya, dubban sa'o'i na haske don dubban sa'o'i na haske. Menene bambanci tsakanin lalacewa na -6%. Me yasa tsarin marufi daban-daban ke haifar da babban bambanci? Ɗaya daga cikin mahimman dalilai shine cewa guntu na LED yana jin tsoron zafi. Wani lokaci ana zafi fiye da digiri ɗari a cikin ɗan gajeren lokaci, kuma tasirin ba shi da kyau. Ina jin tsoron cewa zai kasance a babban zafin jiki na dogon lokaci. Yana da babban lahani ga guntuwar LED. Gabaɗaya magana, ƙarfin ƙarfin zafin jiki na resin epoxy na yau da kullun ƙananan ne. Don haka, lokacin da aka kunna kwakwalwan kwamfuta na LED, kwakwalwan kwakwalwan LED yakamata su fitar da zafi, kuma matsakaicin matsakaiciyar zafin jiki na epoxy resin yana iyakance. Lokacin da zafin jikin bangon LED ya kasance digiri 45, zazzabi na cibiyar guntu a cikin fitilun fitilar LED na iya wuce digiri 80. Matsakaicin zafi na LED shine ainihin digiri 80, don haka lokacin da guntuwar LED ke aiki a yanayin zafin jiki, yana wahala sosai, wanda ke hanzarta tsufa na tushen hasken LED. Lokacin da guntu LED ke aiki, zafin jiki na tsakiya yana haifar da babban zafin jiki na digiri 100. Nan da nan za ta iya amfani da fil ɗin tsaye zuwa zafi don rage zafi, ta yadda za a rage lalacewarsa. Saboda haka, lokacin da zazzabi na LED fitilu beads ne 60 digiri, da zafin jiki na guntu cibiyar iya zama kawai 61 digiri. Kamar yadda ake iya gani daga bayanan da ke sama, beads ɗin fitilar LED waɗanda ke zaɓar wane nau'in tsarin marufi ne aka zaɓa, kuma yanke shawarar haske na fitilun LED kai tsaye yana ƙayyade yanke shawarar haske na fitilun LED. 2. Muhalli da zafin jiki na aikin tushen hasken LED bisa ga bayanan tushen hasken LED guda ɗaya, idan hasken LED yana da aikin haske ɗaya kawai, a lokaci guda, yanayin yanayin da yake wurin yana da digiri 30, to LED guda ɗaya. Ayyukan tushen haske yana aiki Yanayin zafin jiki ba zai wuce digiri 45 ba. A wannan lokacin, rayuwar wannan LED zai zama manufa. Idan akwai 100 LED haske kafofin a kan aiki a lokaci guda, da tazara tsakanin su ne kawai 11.4mm, sa'an nan da sashi zafin jiki na LED haske tushen a kusa da fitilar tari iya ba wuce 45 digiri, amma wadanda LEDs a tsakiyar. tarin fitulun ba zai yiwu Mafarkin haske ya kai digiri 65 ba. A wannan lokacin, tushen hasken LED gwaji ne. Sa'an nan, waɗancan hanyoyin hasken LED da aka tattara a tsakiya za su yi sauri cikin sauri, kuma hanyoyin hasken LED da ke kewaye da tari na fitilar za su yi hankali. Amma idan fitilun fitulun LED sun fi nisa fiye da 25mm, to, adadin kuzari da suke karkatar da su ba zai tara sosai ba. A wannan lokacin, yawan zafin jiki na kowane beads na fitilar LED ya kamata ya zama ƙasa da digiri 50, wanda ya fi dacewa da aikin al'ada na LED. Idan yanayin aikin LED yana cikin wuri mai sanyi, matsakaicin zafin jiki na duk shekara na iya zama kusan digiri 15 ko ƙarami, to don LED, tsawon rayuwa ya fi tsayi. Ko kuma, lokacin da LED ke aiki, akwai ƙaramin fanka kusa da shi kuma yana taimaka masa don cire zafi. Wannan kuma zai taimaka rayuwar LED. Ya kamata kowa ya sani cewa beads ɗin fitilar LED suna tsoron zafi. Mafi girman zafin jiki, mafi guntu rayuwar LED, ƙananan zafin jiki, kuma tsawon rayuwar LED. Aiki zafin jiki na LED manufa ne ba shakka tsakanin 5 ko sifili digiri korau. Amma wannan ba zai yiwu ba. Sabili da haka, bayan mun fahimci madaidaicin ma'auni na aiki na fitilun fitilu na LED, ya kamata mu ƙarfafa aikin tafiyar da zafi da zafi lokacin da za a tsara fitilu kamar yadda zai yiwu lokacin zayyana fitilu kamar yadda zai yiwu. Ko ta yaya, ƙananan zafin jiki, mafi tsayin rayuwar LED. Na uku, ƙirar ma'aunin wutar lantarki mai aiki na ƙirar fitilar LED Dangane da sakamakon gwaji, ƙarancin hasken farin LED, ƙaramin zafin fitarwa shine, ba shakka, ƙaramin haske. Dangane da binciken, ƙirar ƙirar hasken rana ta LED, direban na yanzu na LED gabaɗaya 5-10mA ne kawai; Yawan fitilun da aka yi amfani da su a cikin fitilun, kamar sama da 500 ko sama da haka Kuma gabaɗaya mashahurin aikace-aikacen LED mai hasken wutar lantarki na yanzu shine kawai 15-18mA, kuma mutane kaɗan ne suka tsara na yanzu zuwa sama da 20mA. Sakamakon gwajin ya kuma nuna cewa a karkashin direban na yanzu na 14mA, kuma murfin ba ya da iska, zafin iska a cikinta ya kai digiri 71, ƙananan samfuran ƙi, 1,000-hour haske lalata, 2000 hours na haske rube na 3% zuwa 3% , 3% rubewa shine 3%. Wannan yana nuna cewa wannan ƙananan hasken farin LED mai raguwa ya kai iyakar amfani da shi a irin wannan yanayi. Komai girmansa illa ce gareshi. Saboda allon tsufa da aka yi amfani da shi ba shi da aikin watsar da zafi, zafin da ake samu a lokacin LED ba shi da ikon watsa shi a waje. Wannan ya nuna hakan. Yanayin iska a cikin tsohon panel ya kai babban zafin jiki na digiri 101. Yanayin zafin jiki na murfin a kan tsohon panel shine kawai digiri 53, wanda shine digiri da dama. Wannan yana nuna cewa murfin filastik da aka ƙera asali ba shi da aikin gudanar da zafi da zubar da zafi. Amma a cikin ƙirar fitilu na gaba ɗaya, la'akari da aikin gudanar da zafi da zafi. Sabili da haka, a taƙaice, ƙirar sifofin lantarki masu aiki na beads fitilu ya kamata su dogara ne akan ainihin halin da ake ciki. Idan zafi -conducting zafi dissipation aiki na fitilar yana da kyau sosai, yana da kyau a kara yawan tuki na LED farin fitilu, saboda LED fitilu beads aiki samar. Za a iya fitar da zafi daga lokacin, kuma babu lalacewa ga LED, wanda shine mafi kyawun kulawa ga LED. Akasin haka, idan aikin dumama da zafi na fitilun ya kasance maras kyau, yana da kyau a tsara tsarin ƙasa kuma ya bar shi ya sanya zafi.

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