Ni izihe nyungu za LED yerekana umucyo?Nuburyo bwo kumenyekanisha, ecran ya LED yerekana kenshi mubuzima bwacu, kandi icyifuzo cyo kubungabunga amakuru yo kumenyekanisha ugereranije na LED yerekana nacyo cyiyongereye.Reka tuganire ku buryo bwo kumenya umucyo wa LED yerekana.
Mbere ya byose, reka twumve icyo urumuri rwa LED rwerekana:
Umucyo wa LED itanga urumuri bivuga ubukana bwurumuri rutangwa numubiri wumucyo, rwitwa ubukana bwurumuri, rugaragara muri MCD.Umucyo urumuri rwa LED yerekana ni indangagaciro yuzuye, yerekeza ku cyerekezo cyuzuye cya luminous flux (luminous flux) ya modules zose za LED kuri buri gice hamwe no kumurika intera runaka.
LED yerekana urumuri: Mu cyerekezo cyatanzwe, ubukana bwa luminous kuri buri gace.Igice cyumucyo ni cd / m2.
Umucyo uringaniza numubare wa LED kuri buri gice hamwe numucyo wa LED ubwayo.Umucyo wa LED uhwanye neza nubushakashatsi bwayo, ariko ubuzima bwayo buringaniye buringaniye na kwaduka ya none, bityo moteri yimodoka ntishobora kwiyongera cyane mugukurikirana umucyo.Mugihe kimwe, ubwinshi bwurumuri rwa LED biterwa nibikoresho, gupakira hamwe nubunini bwa chip ya LED yakoreshejwe.Nini nini ya chip, niko urumuri ruri hejuru;muburyo bunyuranye, hepfo urumuri.
Nibihe bisabwa kugirango umucyo ukenewe kuri ecran?
Ibisabwa muri rusange muri rusange ni ibi bikurikira:
(1) LED yerekana mu nzu:> 800CD / M2
(2) Igice cya LED cyerekana LED:> 2000CD / M2
(3) Hanze LED yerekana (icara mu majyepfo ukareba mu majyaruguru):> 4000CD / M2
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Ubwiza bwa LED luminous tubes igurishwa kumasoko ntiburinganiye, kandi ubwinshi bwurumuri ntibushobora kwizerwa.Abaguzi barashukwa na phenomenon ya shoddy.Abantu benshi ntibafite ubushobozi bwo gutandukanya umucyo wa LED luminous tubes.Kubwibyo, abacuruzi bavuga ko umucyo ari kimwe nubucyo.Kandi biragoye kubitandukanya n'amaso yambaye ubusa, none wabimenya ute?
1. Nigute ushobora kumenya umucyo wa LED yerekana
1. Kora amashanyarazi ya 3V DC byoroshye guhuza na diode itanga urumuri wenyine.Nibyiza gukoresha bateri kugirango ikore.Urashobora gukoresha bateri ebyiri za buto, ukayishyira mumashanyarazi mato hanyuma ukayobora inzira ebyiri nkibisubizo byiza kandi bibi.Umurizo wumurizo wakozwe muburyo butaziguye na shrapnel.Iyo mukoresha, iperereza ryiza nibibi bihuye nibyiza nibibi bya diode itanga urumuri.Kuri pin mbi, kanda hanyuma ufate switch iherezo, hanyuma umuyoboro wa luminous uzasohoza urumuri.
2. Icya kabiri, komatanya gufotora hamwe na multimeter ya digitale kugirango ukore igikoresho cyoroshye cyo gupima urumuri.Kuyobora fotorezistor hamwe ninsinga ebyiri zoroshye hanyuma ubihuze neza namakaramu abiri ya multimeter ya digitale.Multimeter ishyizwe kumwanya wa 20K (bitewe nuwifotora, Gerageza gukora ibisomwa neza bishoboka).Menya ko agaciro gapimwe mubyukuri agaciro kokurwanya gufotora.Kubwibyo, urumuri rwinshi, nigiciro gito.
3. Fata diode ya LED itanga urumuri hanyuma ukoreshe amashanyarazi yavuzwe haruguru 3V kugirango uyamurikire.Umutwe utanga urumuri urareba kandi hafi yubuso bwamafoto yumufotozi uhujwe.Muri iki gihe, multimeter irasoma kugirango itandukanye urumuri rwa LED.
2. Urwego rwo kuvangura urumuri rwerekana urwego rwurumuri rwishusho rushobora gutandukanywa nijisho ryumuntu kuva mwijimye kugeza ryera.
Urwego rwimyenda ya LED yerekana ecran ni ndende cyane, ishobora kugera kuri 256 cyangwa ndetse na 1024. Ariko, kubera ubushobozi buke bwamaso yumuntu kumurika, urwego rwimvi ntirushobora kumenyekana neza.Muyandi magambo, birashoboka ko urwego rwinshi rwegeranye rwimyenda yumuntu yumuntu asa.Byongeye kandi, ubushobozi bwo gutandukanya amaso buratandukanye kubantu.Kuri LED yerekana ecran, urwego rwo hejuru rwo kumenyekanisha amaso yumuntu, nibyiza, kuko ishusho yerekanwe ni kubantu kugirango babone nyuma ya byose.Kurenza urumuri urwego rwumuntu rushobora gutandukanya, nini nini yumwanya wibara rya LED yerekana, hamwe nubushobozi bwo kwerekana amabara akungahaye.Urwego rwo kuvangura urumuri rushobora kugeragezwa hamwe na software idasanzwe.Mubisanzwe, kwerekana ecran irashobora kugera kurwego rwa 20 cyangwa irenga, niyo yaba ari urwego rwiza.
3. Ibisabwa kugirango umucyo no kureba impande zose:
Umucyo wo kwerekana LED mu nzu ugomba kuba hejuru ya 800cd / m2, kandi umucyo wo hanze yerekana amabara yuzuye agomba kuba hejuru ya 1500cd / m2 kugirango ukore imikorere isanzwe yerekana LED, bitabaye ibyo ishusho yerekanwe ntizisobanuke kuko the umucyo uri hasi cyane.Umucyo ugenwa ahanini nubwiza bwa LED ipfa.Ingano yo kureba inguni igena neza abumva LED yerekana, bityo nini nini nziza.Inguni yo kureba igenwa cyane cyane nu rupfu.