Tsawon tsayin hasken shuka ya dace sosai don girma, fure, 'ya'yan itace.Gabaɗaya, tsire-tsire na cikin gida da furanni za su yi girma da muni cikin lokaci, galibi saboda ƙarancin haske.Ta hanyar haskaka shuka tare da fitilun LED wanda ya dace da nau'in nau'in da shuka ke buƙata, ba wai kawai za'a iya haɓaka haɓakarsa ba, amma ana iya ƙara lokacin fure kuma ana iya inganta ingancin furen.Yin amfani da wannan tsarin samar da hasken haske mai inganci wajen samar da noma kamar gidajen gonaki, dakunan da ake ginawa, da sauran ababen more rayuwa na iya magance illolin rashin isasshen hasken rana da ke haifar da raguwar dandanon kayan marmari kamar tumatur da cucumber, sannan a daya bangaren. Haka kuma za ta iya sanya 'ya'yan itatuwa da kayan marmari masu koren sanyi su shiga kasuwa kafin da kuma bayan bikin bazara, ta yadda za a cimma manufar noman rani.
Tunda za'a iya ƙayyade zafin mahaɗa ta matsakaitawar wutar lantarki, har ma da manyan igiyoyin ruwa ba su da wani tasiri kan lalata wutar lantarki.Misali, a cikin mai jujjuya buck, mafi girman-zuwa-kolon ripple na halin yanzu daidai da na yanzu fitarwa na DC (Ipk-pk=Iout) yana ƙara bai wuce 10% na jimlar asarar wuta ba.Idan matakan asarar da ke sama sun wuce da kyau, ana buƙatar rage ƙarfin wutar lantarki na AC daga wutar lantarki don kiyaye yanayin haɗin gwiwa da rayuwar aiki akai-akai.Wani ƙa'idar babban yatsa mai fa'ida ita ce, kowane digiri 10 ma'aunin ma'aunin celcius na raguwa a yanayin junction, rayuwar semiconductor yana ƙaruwa sau uku.A gaskiya ma, yawancin ƙira suna da ƙananan igiyoyin ruwa saboda rashin amincewar inductor.Bugu da kari, kololuwar halin yanzu a cikin LED bai kamata ya wuce matsakaicin madaidaicin ƙimar aiki na yanzu da mai ƙira ya ƙayyade ba.
Lokacin tuƙi LED ta hanyar mai sarrafa buck, LED ɗin yakan gudanar da halin yanzu na AC ripple da DC na inductor bisa ga tsarin tace fitarwa da aka zaɓa.Wannan ba kawai zai ƙara girman RMS na halin yanzu a cikin LED ba, amma kuma yana ƙara yawan amfani da wutar lantarki.Wannan yana ƙara yawan zafin jiki kuma yana da tasiri mai mahimmanci akan rayuwar LED.Idan muka saita iyakar fitowar haske 70% a matsayin rayuwar LED ɗin, to ana ƙara tsawon rayuwar LED ɗin daga sa'o'i 74 a digiri 15,000 Celsius zuwa awanni 40,000 a digiri 63 na ma'aunin celcius.Ana ƙayyade asarar wutar lantarki ta LED ta hanyar ninka juriyar LED ta murabba'in RMS na yanzu tare da matsakaicin halin yanzu wanda aka ninka ta hanyar juzu'in wutar lantarki na gaba.
A ƙasa da kofa na kunna LED (madaidaicin kunna wutar lantarki don fararen LEDs kusan 3.5V), na yanzu ta LED ɗin ƙanƙanta ne.Sama da wannan bakin kofa, ana haɓaka halin yanzu da yawa azaman ƙarfin wuta na gaba.Wannan yana ba da damar yin amfani da LED ɗin azaman tushen wutar lantarki tare da jerin resistor tare da gargaɗin cewa wannan ƙirar tana aiki ne kawai a halin yanzu na DC guda ɗaya.Idan halin yanzu na DC a cikin LED ya canza, juriya na ƙirar yakamata ya canza don nuna sabon halin yanzu aiki.A manyan magudanan ruwa na gaba, ɓarkewar wutar lantarki a cikin LED yana dumama na'urar, wanda ke canza juzu'in wutar lantarki na gaba da matsananciyar ƙarfi.Yana da matukar muhimmanci a yi la'akari da yanayin yanayin zafi lokacin da aka ƙayyade impedance na LED.
Daidaitaccen haske yana buƙatar madaidaicin halin yanzu don fitar da LED, wanda dole ne a kiyaye shi akai-akai ba tare da la'akari da ƙarfin shigarwar ba.Wannan ya fi ƙalubale fiye da haɗa kwan fitila kawai zuwa baturi don kunna shi.
Lokacin aikawa: Nuwamba-16-2022