Njengomuntu ongaphandle, kungakanani okwaziyo ngakhoithoshiumthombo wokukhanya?

Ngikholwa ukuthi ujwayelene nesihloko esithi "indlela yokukhetha umthombo wokukhanya wangaphandle".Phela bonke bangabantu bangaphandle.Banolwazi oluningi lokuthenga amathini.Ngokuhamba kwesikhathi, banesethi yabo yezindinganiso: amathini angaphandle kufanele agqame, alula, akhuthazele ngokuqinile, imvume yokuvikela emithathu, izinketho ezimbalwa zokukhanya, kanye nokushaja okuqondile kwe-USB kungcono kakhulu.
Ukukhanya, ukukhuthazela, isisindo, ukumelana nokuwa nokuphatheka yizici ezisobala kakhulu futhi ezaziwa kakhulu zethoshi langaphandle.Ngakho-ke, nazo ziwukucatshangelwa kokuqala kwabasebenzisi abaningi lapho uthenga.Ziyadingeka nje.Namuhla, ake sikhulume ngezici ezibalulekile kodwa ezingaziwa kakhulu zethoshi langaphandle, njenge-CRI, ukukhanya kombala nezinga lokushisa lombala.
Mayelana ne-CRI
I-CRI isifinyezo se-English color rendering index, okusho ukuthi inkomba yokunikeza umbala ngesiShayina.Idigri yokunikezela yombala wangempela wento ngomthombo wokukhanya iba ukuvezwa kombala komthombo wokukhanya.I-CRI ukulinganisa kokunikezwa kombala.Inkomba yokunikeza umbala yomthombo wokukhanya ojwayelekile (njengokukhanya kwelanga) ichazwa ngokuthi 100, futhi inkomba yokunikeza umbala yeminye imithombo yokukhanya ingaphansi kuka-100 Uma ukunikezwa kombala kuphezulu, inani lenkomba yokunikeza umbala lisondela ku-100, yilapho inamandla khona. ikhono lokubuyisela umbala wento, futhi kulula ukuba iso lomuntu lihlukanise umbala wento, ngakho-ke umuzwa obonakalayo ungcono.

Ngaphandle, ukukhanya okuphezulu kwethoshi kungahlulela uhlaka lwento, kodwa imininingwane namaleveli adinga ukusekelwa ukunikezwa kombala okuhle.Okusho ukuthi, uma ufuna ukubona uhlaka lwento, udinga kuphela ukubheka inkomba yokukhanya.Kungakhathaliseki ukuthi umthombo wokukhanya oshisayo onokunikezwa kwemibala engu-100 noma ukukhanya oku-monochromatic ngaphandle kokunikeza umbala, ukukhanya kuyafana.Uma sifuna ukwahlulela umbala, imininingwane kanye nezinga lento, umthombo wokukhanya onikeza umbala ongu-75 udinga ukukhanya okuphezulu ukuze uzuze umphumela wemininingwane womthombo wokukhanya onikeza umbala ongu-100.
Ngakho-ke yiziphi izinzuzo zemithombo yokukhanya enikeza umbala ophezulu?Ngokusobala, okokuqala, ake abantu babone izinto ngokucacile, okuyinto ewusizo ikakhulukazi ngaphandle.Ngenxa yokuthi awukwazi ukubona ngokucacile ngokwanele, ngezinye izikhathi akuyona nje inkinga yokungaboni kahle okubonakalayo, kodwa futhi kungase kuholele engozini.Isibonelo, ngenxa yokuthi awuboni kahle, uhlangana nezinambuzane ezinobuthi ngephutha, noma ungaziboni izinyoka, awuwuboni umgodi ophambi kwakho, futhi ugijimela emgwaqeni isikhashana, njalonjalo. .Amanye amabhrendi, afana no-Knight Cole, cishe ayakucabangela lokhu, ngakho anikeza ukukhetha kwenguqulo ye-CRI enombala ophezulu onikezayo emigqeni eminingi yomkhiqizo.
Mayelana nezinga lokushisa lombala
Umgomo we-LED emhlophe ukuthi i-electron ikhipha ukukhanya okuluhlaza okwesibhakabhaka nge-chip, bese ijabulisa i-phosphor ukuthi ikhiphe ukukhanya okuphuzi, okuhlanganiswe nokukhanya okumhlophe.Ukunikezwa kombala kokukhanya okuphuzi okujatshuliswe i-phosphor kuphezulu uma kuqhathaniswa, kuyilapho ukukhanya okuluhlaza okwesibhakabhaka kuwukukhanya kwe-monochromatic.Ngakho-ke, ukuze sithuthukise ukunikezwa kombala, kufanele sikhulise ingxenye yokukhanya okuphuzi.
Ngokwaleli phuzu lokubuka, ukufudumala kombala okhanyayo, ukukhishwa kombala kungcono, futhi kulungele kakhulu imidlalo yangaphandle.Ngaphezu kwalokho, izinga lokushisa lombala lokukhanya kombala ofudumele liphansi, ubude be-waveleng bude, ukungena kunamandla esimweni sezulu semvula nenkungu, futhi i-irradiation yinde.Lezi zici zinquma ngokuhlanganyela isidingo sokukhanya kombala ofudumele kwe-LED yezemidlalo yangaphandle.
Kodwa-ke, ngakolunye uhlangothi, ukusebenza kahle kwe-fluorescence ethokozisayo kuphansi kakhulu.Ukukhanya okuphelele kwe-LED emhlophe efudumele kuzoba ngaphansi, futhi umbala okhanyayo uzovela ufiphele futhi uphuzi, okuzodaya into efakwe imisebe njengesibani se-incandescent samandla amancane.Ngakho-ke, sekukonke, kufaneleka kakhulu ukukhetha imikhiqizo ye-LED emhlophe emaphakathi emidlalweni yangaphandle, engagcini nje ngokunikeza umbala omuhle nokungena, kodwa futhi igwema ukunciphisa ukukhanya okukhulu nokudaya.