A da, ana zabar fitilun halogen don hasken mota.A cikin 'yan shekarun nan, aikace-aikacen LED a cikin dukan abin hawa ya fara girma da sauri.Rayuwar sabis na fitilun halogen na gargajiya kusan sa'o'i 500 ne kawai, yayin da na fitilun LED na yau da kullun ya kai awanni 25000.Amfanin rayuwa mai tsawo kusan yana ba da damar fitilun LED don rufe duk yanayin rayuwar abin hawa.
Aikace-aikacen fitilun waje da na ciki, kamar fitilar fitilar gaba, fitilar sigina, fitilar wutsiya, fitilar ciki, da sauransu, sun fara amfani da tushen hasken LED don ƙira da haɗuwa.Ba kawai tsarin hasken mota ba, har ma da tsarin hasken wuta daga na'urorin lantarki na mabukaci zuwa masana'anta na sarrafa kansa.Zane-zanen LED a cikin waɗannan tsarin hasken wutar lantarki suna ƙara rarrabuwa kuma suna haɓaka sosai, wanda ya shahara musamman a cikin tsarin hasken mota.
Ci gaba da sauri na LED a cikin tsarin hasken mota
A matsayin tushen haske, LED ba kawai yana da tsawon rai ba, amma ingancinsa mai haske kuma ya zarce na fitilun halogen na yau da kullun.Ingantattun fitilun halogen shine 10-20 Im / W, kuma ingantaccen ingancin LED shine 70-150 Im/W.Idan aka kwatanta da tsarin ɓarnawar zafi na fitilu na gargajiya, haɓaka ingantaccen haske zai zama mafi yawan ceton makamashi da ingantaccen haske.Lokacin amsawar nanosecond na LED shima ya fi aminci fiye da fitilar halogen lokacin amsawa na biyu, wanda ke bayyana musamman a nisan birki.
Tare da ci gaba da haɓaka ƙirar LED da matakin haɗin kai da kuma raguwar farashi a hankali, an tabbatar da tushen hasken LED a cikin kayan lantarki na motoci a cikin 'yan shekarun nan kuma ya fara haɓaka da sauri cikin tsarin hasken mota.A cewar bayanai na TrendForce, yawan shigar fitilun fitilun LED a cikin motocin fasinja na duniya zai kai kashi 60 cikin 100 a shekarar 2021, kuma yawan shigar fitilun LED a cikin motocin lantarki zai fi girma, ya kai kashi 90%.An kiyasta cewa adadin shigar zai karu zuwa 72% da 92% bi da bi a cikin 2022.
Bugu da kari, fasahohin ci gaba kamar fitilun mota masu hankali, fitilun ganowa, fitilun yanayi na hankali, nunin abin hawa na MiniLED/HDR sun kuma kara shigar da LED cikin hasken abin hawa.A yau, tare da haɓaka hasken abin hawa zuwa keɓancewa, nunin sadarwa, da taimakon tuƙi, duka masana'antun mota na gargajiya da masu kera motocin lantarki sun fara neman hanyoyin bambance LED.
Zabi na LED tuki topology
A matsayin na'urar da ke fitar da haske, LED a zahiri yana buƙatar sarrafawa ta hanyar da'ira.Gabaɗaya, lokacin da adadin LED ya girma ko kuma yawan wutar lantarki na LED ya yi girma, wajibi ne a tuƙi (yawanci matakan tuƙi da yawa).Yin la'akari da bambancin haɗin LED, ba haka ba ne mai sauƙi ga masu zanen kaya don tsara direban LED mai dacewa.Duk da haka, yana iya bayyana cewa saboda halaye na LED kanta, yana haifar da babban zafi kuma yana buƙatar iyakance halin yanzu don kariya, don haka kullun tushen tushen yanzu shine mafi kyawun yanayin tafiyar da LED.
Ka'idar tuƙi ta gargajiya tana amfani da jimlar ƙarfin ƙarfin LEDs a cikin tsarin azaman mai nuna alama don aunawa da zaɓar direbobin LED daban-daban.Idan jimlar ƙarfin wutar lantarki na gaba ya fi ƙarfin shigarwa, to kuna buƙatar zaɓar topology mai haɓaka don biyan buƙatun ƙarfin lantarki.Idan jimlar ƙarfin wutar lantarki na gaba ya yi ƙasa da ƙarfin shigarwar, kuna buƙatar amfani da topology na ƙasa don haɓaka ingantaccen aiki gabaɗaya.Duk da haka, tare da inganta LED dimming iya aiki bukatun da kuma fitowan na sauran bukatun, lokacin da zabar LED direbobi, ya kamata mu ba kawai la'akari da ikon matakin, amma kuma cikakken la'akari da topology, yadda ya dace, dimming da launi hadawa hanyoyin.
Zaɓin topology ya dogara da takamaiman wurin LED a cikin tsarin LED na mota.Misali, a kan babban katako da fitilar fitilar mota, yawancin su ana motsa su ta hanyar topology zuwa ƙasa.Wannan matakin saukarwa yana da kyau a cikin aikin bandwidth.Hakanan zai iya cimma kyakkyawan aikin EMI ta hanyar ƙirar ƙirar mitar bakan.Zaɓin topology ne mai aminci sosai a cikin injin LED.Ayyukan EMI na haɓakar firikwensin LED shima yana da kyau.Idan aka kwatanta da sauran nau'ikan topologies, shi ne mafi ƙanƙanta tsarin tuƙi, kuma ana amfani da shi sosai a cikin ƙananan fitilun katako da manyan fitulun mota.
Lokacin aikawa: Dec-06-2022