A cikin 'yan shekarun nan, tare da saurin ci gaban fasahar guntu na LED, aikace-aikacen kasuwanci na LEDs ya zama balagagge.Ana san samfuran LED a matsayin "maɓuɓɓugan hasken kore" saboda ƙananan girmansu, ƙarancin wutar lantarki, tsawon rayuwar sabis, babban haske, kariyar muhalli, ƙarfi da karko, da kuma manyan fitilun LED masu ceton makamashi.Yin amfani da madaidaicin haske mai haske na LED mai ƙarfi, tare da samar da wutar lantarki mai inganci, zai iya adana sama da kashi 80% na wutar lantarki fiye da fitilun fitilu na gargajiya, kuma haske ya ninka sau 10 na fitulun da ke ƙarƙashin iko ɗaya.Tsawon rayuwa ya wuce sa'o'i 50,000, wanda ya ninka fiye da sau 50 na fitilun tungsten na gargajiya.LED rungumi dabi'ar ingantacciyar ingantacciyar fasahar fakitin fasaha-eutectic waldi, wanda ke ba da tabbacin tsawon rayuwar LED.Matsakaicin ingancin gani mai haske na iya zama sama da 80lm/W ko sama da haka, ana samun nau'ikan yanayin zafin launi na LED, babban ma'anar launi, da ma'anar launi mai kyau.Fasahar hasken wutar lantarki ta LED tana ci gaba tare da kowace rana ta wucewa, ingancinta mai haske yana samun ci gaba mai ban mamaki, kuma farashin yana raguwa koyaushe.A matsayin samfurin haske, ya shiga cikin dubban gidaje da tituna.
Koyaya, samfuran tushen hasken LED ba tare da gazawa ba.Kamar duk samfuran lantarki, fitilun LED za su haifar da zafi yayin amfani, wanda zai haifar da haɓakar yanayin yanayi da zafin nasu.LED shine tushen haske mai ƙarfi mai ƙarfi tare da ƙaramin yanki mai fitar da haske da babban adadin halin yanzu ta guntu yayin aiki;yayin da ƙarfin guntu na LED guda ɗaya yana da ƙanƙanta, kuma fitowar hasken haske shima ƙasa ne.Sabili da haka, lokacin da aka yi amfani da shi a zahiri ga kayan aikin hasken wuta, yawancin fitilun suna buƙatar Haɗuwa da maɓuɓɓugar hasken LED da yawa yana sa guntuwar LED ta yi yawa.Kuma saboda yawan canjin hasken wutar lantarki na hasken LED bai yi girma ba, kusan kashi 15% zuwa 35% na makamashin lantarki ne kawai ke canzawa zuwa fitowar haske, sauran kuma ana canza su zuwa makamashin zafi.Sabili da haka, lokacin da yawan adadin hasken wutar lantarki na LED ke aiki tare, za a samar da babban adadin makamashin zafi.Idan wannan zafi ba za a iya bazuwa da sauri ba, zai haifar da yanayin mahaɗar hasken wutar lantarki na LED ya tashi, rage photon da ke fitowa daga guntu, rage ingancin zafin launi, haɓaka tsufa na guntu, da rage rayuwa. na na'urar.Sabili da haka, bincike na thermal da mafi kyawun ƙira na tsarin zubar da zafi na fitilun LED ya zama mahimmanci.
Dangane da shekaru na ƙwarewar ci gaba na samfuran LED a cikin masana'antar, an kafa tsarin ka'idar ƙira sosai.A matsayin mai tsara tsarin samfurin haske, yana daidai da tsayawa a kan kafadu na giants.Duk da haka, ba wai yana da sauƙi don isa saman a kan kafadu na giants ba.Akwai matsaloli da yawa waɗanda ke buƙatar shawo kan su a cikin ƙirar yau da kullun.Alal misali, daga yanayin farashi, a cikin zane, wajibi ne don saduwa da buƙatun zafi na samfurin, amma kuma don rage girman farashin;a halin yanzu, hanyar da aka fi amfani da ita a kasuwa ita ce yin amfani da filaye na aluminum don zubar da zafi.Ta wannan hanyar, ta yaya masu zanen kaya Don sanin tazarar tazarar da ke tsakanin fin da fin da tsayin fin, da kuma tasirin tsarin samfurin a kan kwararar iska da kuma fuskantar yanayin da ke fitar da haske, kai ga rashin daidaituwar zafi.Waɗannan su ne matsalolin da ke damun masu zanen kaya.
A cikin tsarin zane na fitilun LED, akwai hanyoyi da yawa don rage yawan zafin jiki na LED da kuma tabbatar da rayuwar LED: ① Ƙarfafa zafin zafi (akwai hanyoyi guda uku na canja wurin zafi: zafin zafi, musayar zafi, musayar zafi da radiation zafi). , ②, zaži Low thermal juriya LED kwakwalwan kwamfuta, ③, karkashin-load ko obalodi yi amfani da rated ikon ko halin yanzu na LED (an bada shawarar yin amfani da 70% ~ 80% na rated ikon), wanda zai iya yadda ya kamata rage LED junction. zafin jiki.
Sa'an nan kuma don ƙarfafa zafi mai zafi, za mu iya amfani da hanyoyi masu zuwa: ①, kyakkyawan tsarin rarraba zafi na biyu;②, rage juriya na thermal tsakanin shigarwar shigarwa na LED da kuma na biyu na watsar da zafi;③, haɓaka lamba tsakanin LED da na biyu zafi watsawa inji Thermal conductivity na surface;④, ƙirar tsarin ta amfani da ka'idar jigilar iska.
Sabili da haka, zubar da zafi shine rata marar iyaka ga masu zanen kaya a cikin masana'antar hasken wuta a wannan mataki.A wannan lokacin, na yi imani cewa tare da ci gaban fasaha na juyin juya hali, tasirin zafi a kan LEDs zai zama karami a hankali.Har ila yau, muna ƙoƙarin nemo hanyoyin da za a rage yawan zafin jiki na LEDs, tabbatar da rayuwar LED, da yin samfurori masu tsada ta hanyar aikace-aikace..
Lokacin aikawa: Oktoba-22-2020