M'zaka zaposachedwapa, chifukwa cha chitukuko cha ukadaulo wamagalimoto, magetsi a LED akhala otchuka kwambiri. Poyerekeza ndi nyali za halogen ndi nyali za xenon,Nyali za LEDMagalimoto omwe amagwiritsa ntchito tchipisi kutulutsa kuwala asinthidwa kwambiri pankhani yolimba, kuwala, kusunga mphamvu komanso chitetezo. Chifukwa chake, ali ndi mphamvu zambiri ndipo akhala otchuka kwambiri kwa opanga. Masiku ano, magalimoto ambiri atsopano akugogomezera kuti ali ndi magetsi a LED kuti awonetse "zapamwamba" zawo.

Mukudziwa, m'zaka zingapo zapitazi, mitundu yapakatikati mpaka yapamwamba inali ndi magetsi a xenon. Komabe, poyang'ana mitundu yomwe ikugulitsidwa masiku ano, pafupifupi yonse imagwiritsa ntchito magetsi a LED. Pali mitundu yochepa yokha yomwe imagwiritsabe ntchito magetsi a xenon (Beijing BJ80/90, Touran (makonzedwe apakati mpaka apamwamba), DS9 (makonzedwe otsika), Kia KX7 (makonzedwe apamwamba), ndi zina zotero).

Komabe, popeza ndi nyali za halogen "zoyambirira" kwambiri, zimatha kuwonekabe pa mitundu yambiri. Mitundu yapakati mpaka yotsika ya mitundu ina monga Honda ndi Toyota imagwiritsabe ntchito nyali za halogen zotsika ndi nyali za LED. Nchifukwa chiyani nyali za halogen sizinasinthidwe pamlingo waukulu, koma m'malo mwake nyali za xenon "zamphamvu" pang'onopang'ono zidzasinthidwa ndi ma LED?

Kumbali ina, magetsi a halogen ndi otsika mtengo kupanga. Mukudziwa, nyali ya halogen idachokera ku nyali ya tungsten filament incandescent. Kunena mosapita m'mbali, ndi "babu". Kuphatikiza apo, ukadaulo wa magetsi a halogen tsopano ndi wachikulire, ndipo makampani oyendetsa magalimoto ali okonzeka kuigwiritsa ntchito m'mitundu ina yomwe imachepetsa mtengo. Nthawi yomweyo, magetsi a halogen ali ndi ndalama zochepa zokonzera, ndipo akadali ndi msika kwa ogwiritsa ntchito ena omwe ali ndi bajeti yochepa.

Ponena za deta yomwe ili pa Industry Information Network, pa nyali zomwezo, nyali za halogen zimadula pafupifupi 200 mpaka 250 yuan iliyonse; nyali za xenon zimadula 400 mpaka 500 yuan; Ma LED ndi okwera mtengo mwachibadwa, amadula pakati pa 1,000 ndi 1,500 yuan.

Kuphatikiza apo, ngakhale anthu ambiri ogwiritsa ntchito intaneti amaganiza kuti nyali za halogen sizowala mokwanira ndipo amazitcha "nyali za makandulo", kuchuluka kwa nyali za halogen kumakwera kwambiri kuposa kwa nyali za xenon ndiMa LED a magalimoto.Mwachitsanzo, kutentha kwa mtundu waMagalimoto a LEDndi pafupifupi 5500, kutentha kwa mitundu ya nyali za xenon nakonso kuli koposa 4000, ndipo kutentha kwa mitundu ya nyali za halogen ndi 3000 zokha. Nthawi zambiri, kuwala kukabalalika mumvula ndi chifunga, kutentha kwa mitundu kukakwera, kuwala kumaipiraipira, kotero kuwala kwa nyali za halogen kumakhala bwino kwambiri.

M'malo mwake, ngakhale kuti magetsi a xenon apita patsogolo pankhani ya kuwala, kugwiritsa ntchito mphamvu komanso moyo wawo wonse. Kuwala kwake kuli kochepera katatu kuposa kwa magetsi a halogen, ndipo kutayika kwa mphamvu kumakhala kochepa kwambiri kuposa kwa magetsi a halogen, izi zikutanthauzanso kuti mtengo wake uyenera kukhala wapamwamba, kotero unkagwiritsidwa ntchito makamaka m'magalimoto apakatikati mpaka apamwamba.

Komabe, chifukwa cha mtengo wokwera, magetsi a xenon si abwino kwenikweni. Ali ndi vuto lalikulu la astigmatism. Chifukwa chake, magetsi a xenon nthawi zambiri amafunika kugwiritsidwa ntchito ndi magalasi ndi nyali zakutsogolo, apo ayi adzakhala osakhulupirika. Komanso, mukagwiritsa ntchito magetsi a xenon kwa nthawi yayitali, mavuto ochedwa angabuke.
Kawirikawiri, mitundu itatu ya magetsi a halogen, xenon, ndi LED ili ndi ubwino ndi kuipa kwake.
Chifukwa chachikulu chomwe magetsi a xenon amachotsedwa ndichakuti sawononga ndalama zambiri. Ponena za mtengo, ndi otsika mtengo kwambiri kuposa magetsi a halogen, ndipo pankhani ya magwiridwe antchito, sali odalirika ngati magetsi a LED. Zachidziwikire, magetsi a LED alinso ndi zofooka, monga kusakhala gwero la kuwala kwa spectrum yonse, kukhala ndi kuwala kofanana, komanso kumafuna kutentha kwambiri.

Pamene mitundu yambiri ikugwiritsa ntchito magetsi a LED, mphamvu zawo zapamwamba komanso zapamwamba zimachepa pang'onopang'ono. M'tsogolomu, ukadaulo wa kuwala kwa laser ukhoza kutchuka kwambiri m'makampani apamwamba.

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