Me yasa fitulun jagoranci ke yin duhu?

Wani al'amari ne da ya zama ruwan dare cewa fitilun LED suna yin dimmer yayin da ake amfani da su.A takaice dai, akwai dalilai guda uku da ya sa fitilun LED ke iya dimm.

Rashin nasarar tuƙi.

Abubuwan buƙatun fitilar fitilar LED a cikin ƙarancin wutar lantarki na DC (ƙasa da 20V) aiki, amma abubuwan yau da kullun mu shine babban ƙarfin AC (AC 220V).Wutar lantarki da ake buƙata don juyar da wutar lantarki zuwa fitilar fitila na buƙatar na'urar da ake kira "LED constant current drive power wadata".

Maganar ka'ida, muddin ma'aunin direba da allon katako, na iya ci gaba da yin wuta, amfani na yau da kullun.Ciki na direba ya fi rikitarwa.Rashin gazawar kowace na'ura (kamar capacitor, rectifier, da sauransu) na iya haifar da canjin wutar lantarki, wanda zai haifar da dimming na fitilar.

LED ƙonewa.

Ita kanta LED tana kunshe da haɗe-haɗe na beads ɗin fitila, idan ɗaya ko ɓangarorin hasken bai yi haske ba, to lallai ne ya sanya dukkan fitilar ta yi duhu.Gabaɗaya ƙwanƙolin fitila ana haɗa su a cikin jeri sannan a layi daya - don haka fitilar fitilar ta ƙone, yana yiwuwa ya haifar da adadin beads ɗin fitilu ba su da haske.

Akwai baƙaƙen baƙaƙen aibobi a saman ƙwaryar fitilar da ta ƙone.Nemo shi kuma haɗa shi da waya a bayansa zuwa gajeriyar kewaya shi.Ko maye gurbin sabon bead ɗin fitila, zai iya magance matsalar.

LED lokaci-lokaci yana ƙone ɗaya, mai yiwuwa ta hanyar haɗari.Idan kun ƙone akai-akai, kuna buƙatar yin la'akari da matsalolin direba - wata bayyanar gazawar direba ita ce kona katako.

LED faduwa.

Rushewar haske shine lokacin da hasken hasken ya zama ƙasa da haske - yanayin da ya fi fitowa fili a cikin fitilu masu haske da masu kyalli.

Fitilar LED ba za su iya guje wa ruɓar haske ba, amma saurin ruɓewar haskensa yana da ɗan jinkiri, gabaɗaya tare da ido tsirara yana da wahala a ga canjin.Amma ba ya ware ƙananan LED, ko ƙaramin allo mai haske, ko kuma saboda ƙarancin zafi da sauran dalilai na haƙiƙa, wanda ke haifar da raguwar hasken LED yana sauri.

Bayanan Bayani na LED-SMD2835


Lokacin aikawa: Afrilu-26-2023