Pankhani yaukadaulo wowunikira, ma LED (light-emitting diode) akhala otchuka komanso osagwiritsa ntchito mphamvu pazantchito zosiyanasiyana.Madalaivala a LEDzimagwira ntchito yofunikira pakuwonetsetsa kuti nyali za LED zikuyenda bwino, ndima transfoma apamwamba kwambirindi gawo lofunikira la madalaivala awa. Otsatirawa adzafufuza kufunikira kwa ma transformer apamwamba kwambiri mu madalaivala a LED ndi zotsatira zake pa ntchito ndi mphamvu za magetsi a LED.
Ma transfrequency transformers ndi gawo lofunikira kwambiri la madalaivala a LED chifukwa ali ndi udindo wosinthira mphamvu yolowera kumagetsi oyenerera komanso milingo yamakono yomwe ma LED amafunikira. Mosiyana ndi matekinoloje owunikira, ma LED amagwira ntchito pamagetsi otsika kwambiri (DC). Apa ndipamene ma transfoma othamanga kwambiri amayamba kugwira ntchito pamene amathandizira kuchepetsa mphamvu yamagetsi kufika pamlingo woyenera kuyendetsa ma LED.
Ubwino umodzi wogwiritsa ntchito ma transfoma othamanga kwambiri pamadalaivala a LED ndikutha kugwira ntchito pama frequency apamwamba. Izi zimapangitsa kuti pakhale mapangidwe ang'onoang'ono komanso opepuka a madalaivala a LED, kuwapangitsa kukhala oyenera pazida zosiyanasiyana zokhala ndi malo ochepa. Kuphatikiza apo, ma transfoma apamwamba kwambiri amathandizira kusinthika kwamagetsi, motero amachepetsa kugwiritsa ntchito mphamvu komanso ndalama zogwiritsira ntchito makina owunikira a LED.
Kugwiritsa ntchito pafupipafupi kwa ma transfoma awa kumathandizanso kuchepetsa kusokoneza kwamagetsi (EMI) ndikuwongolera magwiridwe antchito ndi kudalirika kwaMadalaivala a LED. Pogwiritsa ntchito ma frequency apamwamba, ma transfoma amathandizira kuchepetsa kukula kwa maginito monga ma inductors ndi ma capacitor, omwe ndi ofunikira pakusefa ndi kusalaza mphamvu yotulutsa. Izi sizimangopangitsa mapangidwe ang'onoang'ono, komanso zimathandizira kukonza mphamvu zamagetsi ndikuchepetsa kupotoza kwa harmonic mu madalaivala a LED.
Kuphatikiza apo, zosintha zama frequency apamwamba zimagwira ntchito yofunika kwambiri pakupangitsa kuti mdima uwoneke mumayendedwe owunikira a LED. Pomwe kufunikira kwa mayankho owunikira osagwiritsa ntchito mphamvu kukukulirakulira, kuthekera kwa dimming kwakhala chofunikira kwa madalaivala a LED. Zosintha zama frequency apamwamba zimathandizira kuzimitsa kosalala, kopanda kuwala kwa nyali za LED, kupatsa ogwiritsa ntchito kusinthasintha kuti asinthe kutulutsa kwa kuwala malinga ndi zomwe amakonda komanso zomwe akufuna.
Kuphatikiza pazabwino zawo zamaukadaulo, osintha ma frequency apamwamba amathandizanso kuwongolera moyo wonse komanso kudalirika kwa madalaivala a LED. Poyendetsa bwino njira yosinthira mphamvu, otembenuzawa amathandiza kuchepetsa kutentha kwa kutentha ndikuonetsetsa kuti woyendetsa galimotoyo akugwira ntchito mokhazikika, motero amakulitsa nthawi ya moyo wa magetsi a LED.
Pamene kufunikira kwa njira zowunikira mphamvu zowunikira komanso zowunikira zikupitilira kukula, thUdindo wa osintha ma frequency apamwamba mu madalaivala a LED umakhala wofunikira kwambiri. Kuthekera kwawo kupititsa patsogolo kusinthika kwa mphamvu, kuchepetsa EMI, kupangitsa mphamvu za dimming, ndikuwongolera kudalirika kwathunthu kwa makina ounikira a LED kumawapangitsa kukhala gawo lofunikira pakupanga ndi kukhazikitsa madalaivala a LED.
Kampaniyo inachokera ku Shenzhen, kutsogolo kwa kusintha kwa China ndikutsegula, ndipo inakhazikitsidwa mu 2009. Kwa zaka zambiri, takhala tikukula ndikukula. Pofika chaka cha 2024, tili ndi zaka 15 zakubadwa popanga ma transfoma othamanga kwambiri. Ma transformer apamwamba ndi otsika, ma inductors ndi magetsi oyendetsa ma LED omwe amapangidwa amagwiritsidwa ntchito kwambiri pamagetsi ogula, magetsi opangira mafakitale, magetsi atsopano, magetsi a LED ndi mafakitale ena.
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Nthawi yotumiza: Jun-05-2024