Wutar wutar lantarki ta LED shine mai canza wutar lantarki wanda ke canza wutar lantarki zuwa takamaiman ƙarfin lantarki da na yanzu don fitar da LED ɗin don fitar da haske.A ƙarƙashin yanayi na al'ada: shigar da wutar lantarki ta LED ya haɗa da mitar wutar lantarki mai ƙarfi AC (watau ikon birni), ƙarancin wutar lantarki DC, babban ƙarfin wutar lantarki, ƙarancin wutar lantarki da babban ƙarfin lantarki.Matsakaicin AC (kamar fitar da na'urar lantarki), da sauransu.

–Bisa ga hanyar tuƙi:

(1) Nau'in na yau da kullun

a.Abubuwan da ake fitarwa na da'irar da'ira na yau da kullun na yau da kullun, amma ƙarfin wutar lantarki na DC yana bambanta tsakanin takamaiman kewayon tare da girman juriya.Ƙananan juriya na kaya, ƙananan ƙarfin fitarwa.Mafi girman juriya na kaya, fitarwa Mafi girman ƙarfin lantarki;

b.Da'irar ta yau da kullun ba ta jin tsoron ɗaukar gajeriyar kewayawa, amma an haramta shi sosai don buɗe kayan gaba ɗaya.

c.Shi ne manufa domin akai halin yanzu drive kewaye don fitar da LEDs, amma farashin ne in mun gwada da high.

d.Kula da matsakaicin juriya na halin yanzu da ƙimar ƙarfin lantarki da aka yi amfani da su, wanda ke iyakance adadin LEDs da aka yi amfani da su;

(2) Nau'in da aka tsara:

a.Lokacin da aka ƙayyade sigogi daban-daban a cikin da'irar mai sarrafa wutar lantarki, ƙarfin fitarwa yana daidaitawa, amma fitarwa na yanzu yana canzawa tare da haɓaka ko raguwar kaya;

b.Da'irar wutar lantarki ba ta jin tsoron buɗewar lodi, amma an haramta ta sosai don takaita ɗaukar nauyi gaba ɗaya.

c.Ana amfani da LED ɗin ta hanyar da'irar ƙarfin lantarki mai daidaitawa, kuma kowane kirtani yana buƙatar ƙarawa tare da juriya mai dacewa don sanya kowane kirtani na LED ya nuna matsakaicin haske;

d.Canjin wutar lantarki daga gyarawa zai shafi haske.

- Rarraba wutar lantarki ta LED:

(3) Turin bugun jini

Yawancin aikace-aikacen LED suna buƙatar ayyukan dimming, kamarLED backlightingko hasken gine-gine dimming.Ana iya gane aikin dimming ta hanyar daidaita haske da bambanci na LED.Kawai rage halin yanzu na na'urar zai iya daidaitawaHasken LEDwatsi, amma barin LED yayi aiki a ƙarƙashin yanayin ƙasa fiye da ƙimar halin yanzu zai haifar da sakamako da yawa waɗanda ba'a so, kamar lalatawar chromatic.Madadin gyare-gyare mai sauƙi na yanzu shine haɗa mai sarrafa bugun nisa (PWM) a cikin direban LED.Ba a yi amfani da siginar PWM kai tsaye don sarrafa LED ba, amma don sarrafa mai canzawa, kamar MOSFET, don samar da abin da ake buƙata na yanzu zuwa LED.Mai sarrafa PWM yawanci yana aiki a ƙayyadaddun mitoci kuma yana daidaita faɗin bugun jini don dacewa da zagayowar aikin da ake buƙata.Yawancin kwakwalwan LED na yanzu suna amfani da PWM don sarrafa fitar da hasken LED.Domin tabbatar da cewa mutane ba za su ji a sarari ba, yawan bugun bugun PWM dole ne ya fi 100HZ.Babban fa'idar sarrafa PWM shine cewa dimming halin yanzu ta hanyar PWM ya fi daidai, wanda ke rage bambancin launi lokacin da LED ke fitar da haske.

(4) AC tuki

Dangane da aikace-aikace daban-daban, ana iya raba abubuwan tafiyar AC zuwa nau'ikan uku: buck, booster, da mai canzawa.Bambance-bambancen da ke tsakanin injin AC da na'urar DC, baya ga buƙatar gyarawa da tace abubuwan shigar da AC, akwai kuma matsalar keɓewa da rashin keɓewa daga mahangar aminci.

Ana amfani da direban shigar da AC galibi don fitulun sake gyarawa: na PAR goma (Parabolic Aluminum Reflector, fitilar gama gari akan matakin ƙwararru) fitilu, daidaitattun kwararan fitila, da sauransu, suna aiki a 100V, 120V ko 230V AC Don fitilar MR16, yana buƙatar don aiki a ƙarƙashin shigarwar AC 12V.Saboda wasu matsaloli masu rikitarwa, irin su ƙarancin ƙarfin ma'auni na triac ko jagorar baki da dimmers masu bin diddigi, da kuma dacewa da masu canza wuta na lantarki (daga layin AC don samar da 12V AC don aikin fitilar MR16) Matsalar aiki (wato, flicker). -free aiki), saboda haka, idan aka kwatanta da direban shigarwar DC, filin da ke cikin direban shigar da AC ya fi rikitarwa.

Ana amfani da wutar lantarki ta AC (mains drive) akan tuƙi na LED, gabaɗaya ta matakai kamar matakin ƙasa, gyarawa, tacewa, daidaitawar wutar lantarki (ko daidaitawar yanzu), da sauransu, don canza wutar AC zuwa wutar DC, sannan samar da LEDs masu dacewa. ta hanyar da'irar tuƙi mai dacewa A halin yanzu mai aiki dole ne ya sami ingantaccen juzu'i, ƙarami da ƙarancin farashi, kuma a lokaci guda warware matsalar keɓewar aminci.Yin la'akari da tasirin grid ɗin wutar lantarki, tsangwama na lantarki da al'amurran da suka shafi wutar lantarki dole ne kuma a warware su.Don ƙananan LEDs masu ƙarfi da matsakaici, mafi kyawun tsarin kewayawa shine keɓewar da'ira mai juzu'i mai ƙarewa guda ɗaya;don aikace-aikace masu ƙarfi, yakamata a yi amfani da da'ira mai canza gada.

– Rarraba wurin shigar da wutar lantarki:

Ana iya raba wutar lantarki zuwa wutar lantarki ta waje da ginanniyar wutar lantarki bisa ga wurin shigarwa.

(1) Wutar lantarki ta waje

Kamar yadda sunan ya nuna, wutar lantarki ta waje ita ce shigar da wutar lantarki a waje.Gabaɗaya, ƙarfin lantarki yana da ɗan tsayi, wanda ke zama haɗari ga mutane, kuma ana buƙatar samar da wutar lantarki ta waje.Bambanci tare da ginanniyar wutar lantarki shine cewa wutar lantarki tana da harsashi, kuma fitilun titi sune na kowa.

(2) Gina wutar lantarki

Ana shigar da wutar lantarki a cikin fitilar.Gabaɗaya, ƙarfin lantarki yana da ɗan ƙaramin ƙarfi, daga 12v zuwa 24v, wanda ba ya haifar da haɗari ga aminci ga mutane.Wannan na kowa yana da fitulun kwan fitila.