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Luminous Diode Resistance Cold Knowledge

2022-12-21

Tianhui

Kodi ndiyenera kuwonjezera kukana? Kodi chingachitike ndi chiyani popanda kukana popanda voteji? Inde, diode yotulutsa kuwala iyenera kuwonjezeredwa ndi kukana kugwiritsa ntchito. Diode yotulutsa kuwala sikungakhale mwachindunji mumagetsi ena. Kukana koyenda kuyenera kukhala kochepa. Apo ayi. Chifukwa chiyani ma diode otulutsa kuwala sangalumikizane mwachindunji ndi ma diode owoneka bwino omwe sangathe kulumikizidwa mwachindunji ku malekezero onse a voteji makamaka chifukwa cha zifukwa ziwiri: 1) kutsika kwamagetsi kwabwino sikukugwirizana; 2) zosintha zamakono ndi zazikulu. Chifukwa pansipa. The zabwino kuthamanga dontho la kuwala - emitting diode ndi osiyana. Mukamagwira ntchito moyenera, diode yotulutsa kuwala imakhala ndi kutsika kwabwino kwa VF. VF si mtengo winawake, koma kukula. Kutengera kuwala kofiira kutulutsa diode monga chitsanzo, mitundu ya VF ndi (1.7-2.2) V, ndipo nthawi iliyonse Kusasinthika kwa mawonekedwe a kuwala kwa diode sikwabwino, ndipo ndikosiyana pang'ono, kotero kumakhala kovuta kupeza. voteji yomwe ili yoyenera ma diode onse. 2. Njira yolondola yowunikira diode yotulutsa. Diode yotulutsa kuwala nthawi zambiri imakhala ndi njira ziwiri zoyendetsera. Njira yoyamba ndikugwirizanitsa ndi chingwe chamakono - chochepa chokana mu voteji; yachiwiri njira ndi ntchito zonse panopa gwero kuyendetsa. Woyendetsa magetsi wanthawi zonse. Pofuna kupewa kuti magetsi asamakhale aakulu kwambiri, magetsi otulutsa kuwala amawotchedwa, ndipo kuwala kotulutsa mpweya ndi kukana kwamakono kumafunika kuyenda. Mtengo wa kukana umatsirizidwa ndi njira zotsatirazi: R = (V-Vf)/i. Pakati pawo, VF ndi voteji kutsogolo kwa emitting diode, ndipo ine ndi yapano yomwe ndikufuna kuyenda. Kutengera kuwala kofiira kutulutsa diode mwachitsanzo, kuchuluka kwa voliyumu yakutsogolo VF ndi (1.7-2.2) V ndipo komwe kumagwira ntchito ndi 2-25mA. Ngati mubweretsa mu fomula. Njira yoyendetsera iyi imagwiritsidwa ntchito ngati ma LED ali ochepa. Ngati ntchito ngati chizindikiro mphamvu ndi Alamu chizindikiro kuwala dera, ngati chiwerengero cha galimoto diode ndi lalikulu, mukhoza kuganizira ntchito zonse panopa gwero dalaivala. Gwero la Hengliu limagwiritsidwa ntchito kwambiri pantchito zowunikira kunyumba. Popeza ma LED onse amalumikizidwa mndandanda, bola ngati LED imodzi yawonongeka, ma LED onse sakhala owala. 3. Kuyerekeza kwa njira ziwiri zoyendetsera galimoto, njira yapano yochepetsera kukana, imagwiritsidwa ntchito kwambiri pomwe kuchuluka kwa mikanda ya nyali ya LED ndikocheperako. Ubwino wake ndikuti derali ndi losavuta, ndipo choyipa chake ndikuti kuchepetsedwa kwabwino kwa diode yotulutsa kuwala sikumagwirizana, kotero kuwala kogwiritsa ntchito kangapo kumasiyana. Njira yoyendetsera gwero la Hengliu imatha kuonetsetsa kuti kuwala kwa diode iliyonse yotulutsa kumakhala kofanana, koma kuwonongeka kwa mikanda ya nyali ya LED kudzakhudza magwiridwe antchito a mikanda yonse ya nyali ya LED. Fotokozani mwachidule ma diode otulutsa kuwala sangagwiritsidwe ntchito mwachindunji mumagetsi.

Luminous Diode Resistance Cold Knowledge 1

Mlembi: Tianhui- Kudwala matenda a Mphephe

Mlembi: Tianhui- Opanga a UV Led

Mlembi: Tianhui- Kudwala matenda a madzi ku UV

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Mlembi: Tianhui- UV Led diode

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Mlembi: Tianhui- UV LED module

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Mlembi: Tianhui- Msampha udzudzudzi

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