Ukukhanyisa kudlala indima ebalulekile ku-ambiance yesikhala, kungaba sekhaya, ehhovisi, noma endaweni yomphakathi. Lapho uthenga amalambu, kubalulekile ukuqonda umehluko phakathi kwamagama “lumens” kanye “kelvin” ukuze wenze isinqumo unolwazi.
Umehluko omkhulu phakathi kwe-kelvin ne-lumens ukuthi i-kelvin isho noma inesibopho sombala wokukhanya okhiqizwa isibani. Ngokuphambene nalokho, ama-lumens angukukhanya kwalokho kukhanya okunombala okukhiqizwa isibani. Nakuba u-Kelvin echaza umbala okhanyayo, ama-lumens asho ukuthi lokho kukhanya kuzokhanya kangakanani.
Ukuqonda le mehluko yale migomo emibili kungakusiza ukuthi ukhethe isibani esilungile ukuze udale umoya osifunayo futhi uthuthukise ukusebenza kahle kwamandla. Kule bhulogi, sizongena phakathi komehluko phakathi kwe-kelvin namalumens kanye nokubaluleka kwakho ekukhetheni isibani esilungile sezidingo zakho.
Kuchaza uKelvin
Ukushisa okuhlukahlukene kubonisa ukuba khona kokukhanya kokufakwa kokukhanyisa. Lo mbono wokukhanya ulinganiselwa ku-Kelvin (K) futhi uhlolwa ukuthi ungaphakathi kuka-1,000 kuya ku-10,000. Ububanzi bama-bulb asetshenziswa ebhizinisini nasezindaweni zasendaweni busuka ku-2000 K ukuya ku-6500 K.
Izinhlobonhlobo zezindawo ezikhanyayo zibonisa ukubukeka okudluliselwayo ngenkathi kukhanyisa. Ukunikeza izinga lokushisa elihlukahlukene lama-bulb kusebenzisa i-hypothesis yokushisa ehlukahlukene ehambisanayo (CCT). Isibonelo, ukuba khona kokukhanya kungatholakala ngemva kokufudumala izinsimbi emazingeni okushisa aphezulu.
Ukushintsha kwezinga lokushisa kulungisa ukuhlukahluka kokubukeka kwensimbi, okufana nokuluhlaza okwesibhakabhaka, okuwolintshi, noma okuphuzi. Noma ngabe kunjalo, isayensi yangaphakathi yezibani ibhekene nezibonelo ezithile zento eyinsimbi ecabanga ngezinga lokushisa likaKelvin.
- Izinga lokushisa lombala kusuka ku-2000 K kuya ku-3000 K laziwa ngokuthi "umhlophe ofudumele."
- Ubunjalo bokukhanya bubonisa kufika ezingeni elithile phakathi kokuwolintshi kuya kokuphuzi-mhlophe. Bese futhi, uma izinga lokushisa elihlukahlukene lishintshashintsha phakathi kuka-3100 K no-4500 K lihlukaniswa ngokuthi "elimhlophe elifudumele."
Ukukhanya okudlulisiwe kubonakale ku-tinted okuluhlaza okwesibhakabhaka noma okumhlophe okumaphakathi okucacile. Izinga lokushisa elihlukahlukene elingaphezu kuka-4500 K libizwa ngokuthi “ukukhanya kwemini okupholile.” Noma kunjalo, ugqozi lokulibiza ngokuthi "ukukhanya kwemini" yingoba ukukhanya kulingisa ukukhanya bese kunikeza ukugqama kokukhanya okuluhlaza okwesibhakabhaka.
Izinga lokushisa elihlukahlukene lika-2700 K libhekwa njengelingcono kakhulu emakamelweni omndeni, izindawo zokudlala, amakhishi, ngisho namakamelo. Bese futhi, i-3000 K ingabhekwa njengefanelekile kumagumbi nezindawo ezivulekile. Ukwengeza, i-5000 K noma ngaphezulu ingcono kakhulu ekukhanyiseni amagaraji nezindlu zangaphansi.
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Lumens Kuchazwa
Imishini yokukhanyisa itholakala njalo ngemva kokuhlola ukugqama kwayo. Ama-lumens akala umkhawulo wobukhazikhazi bokufakwa kwezibani. “I-Lumen” isho ukukhanya, futhi izwakala ngokumaphakathi lapho othile ezama ukusetha isifaniso ngezibani. Noma ngabe kunjalo, ukulinganisa isamba nomkhawulo wezibani ze-LED ezibekwe phambili kwaziwa ngokuthi i-lumen. Lapho i-lumen ikhula, izinto zokukhanyisa zizoba zinhle kakhulu.
Kubalulekile ukwazi ukuthi i-LED idla amandla angakanani noma mayelana ne-lumen. Bobabili babucayi ezindaweni zabo. Kunoma yikuphi, kubalulekile ukubheka okwenzekayo kokukhanya ngaphambi kokukuthola. Ukunquma amandla ama-bulb ajwayelekile, "wattage" kwakucatshangwa. I-Wattage ibonisa umkhawulo wokusetshenziswa kwamandla wokukhanya. Kwaphinda futhi, yathuthukisa ukwaziswa ngokukhazimula kwamathuluzi. I-wattage engcono ikhombisa ukukhanya okucwebezelayo.
Kodwa-ke, umbono wobuhle nokucatshangwa kokusetshenziswa kwamandla ushintshile ngeminyango ehlukahlukene yokukhanyisa ekhiqizayo evulekile. Ngaphandle kwalokho, i-wattage ayibonisi lutho ngokukhazimula kokukhanya, njengoba ama-lumens enekhono lokuchaza lesi sihloko.
Ngokusebenzisa ama-lumens, umuntu anganquma ngokushesha ucezu oluphelele lwamalambu afundiswe ngonyawo lwesikwele. Isibonelo, isibani esijwayelekile singadlulisa ama-lumens angu-1600 ngokuphambene, nama-watts angu-100, kuyilapho i-LED ingafinyelela ama-lumens afanayo nama-watts angu-26. Yingakho ama-LED ethandwa ngaphezu kwama-bulbs akhanyayo.
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I-lumens Vs. Kelvin- Bahluke Kanjani?
Ngamafuphi, ama-lumens akala ukukhanya kwesibani, kuyilapho i-kelvin ikala izinga lokushisa lombala wokukhanya. Zombili ziwukucatshangelwa okubalulekile lapho ukhetha isibani ozosetshenziswa ngaso, kodwa kufeza izinhloso ezahlukene.
| Lumens | Kelvin |
| Ikala ukukhanya | Ikala izinga lokushisa lombala |
| Ikhombisa ukuthi ibulb ikhipha ukukhanya okungakanani | Ibonisa umbala wokukhanya okhishwa isibani |
| I-lumens ephakeme isho isibani esikhanyayo | I-kelvin ephakeme isho ukukhanya okupholile, okuluhlaza okwesibhakabhaka |
| Kubalulekile ekukhetheni izinga elifanele lokukhanya kwegumbi noma umsebenzi | Kubalulekile ekudaleni isimo sengqondo noma indawo ezungezile |
| Kuthinta ukusebenza kahle kwamandla kanye nezindleko | Ithinta indlela izinto nemibala evela ngayo ngaphansi kokukhanya |
| Ingahluka ngokuya ngohlobo lwe-bulb, amanzi, kanye nomklamo | Ingahluka ngokusekelwe kokuthandwayo komuntu siqu kanye nokusetshenziswa okuhlosiwe |
Ukuxhumana Phakathi kukaLumen noKelvin- Inganekwane
Ama-lumens noKelvin axhunyiwe; kwaziwa yiwo wonke umuntu! Impela lokho kungukwahlulela okudukile. Kukhona ukuhlobana phakathi kwe-lumen ne-Kelvin, kodwa akukhona ukuhlobana okuqondile.
Inani eliphakeme lama-lumens alisho ngempela izinga lokushisa eliphakeme le-Kelvin futhi ngokuphambene nalokho. Nokho, izinga lokushisa lombala lokukhanya lingathinta indlela okubonakala kukhanya ngayo emehlweni omuntu. Isibonelo, ukukhanya okupholile, okuluhlaza okwesibhakabhaka kungase kubonakale kukhanya kakhulu emehlweni kunokukhanya okufudumele, okuphuzi okunenombolo efanayo ye-lumens.
Yini Okubalulekile Lapho Uthenga I-bulb- Kelvin Noma I-Lumen?
Lapho uthenga isibani, kokubili uKelvin noLumen kuyizici ezibalulekile okufanele zicatshangelwe. I-Kelvin (K) isilinganiso sezinga lokushisa lombala wokukhanya, kuyilapho i-Lumen (lm) iyisilinganiso sokukhanya kokukhanya.
I-Kelvin ibalulekile ngoba ithinta isimo nesimo sekamelo. Amalambu anamanani aphansi e-Kelvin (2700K-3000K) akhiqiza ukukhanya okufudumele, okuthokomele, okuphuzi okulungele amakamelo okulala, amagumbi okuhlala, nezindawo zokudlela. Amalambu anamanani aphezulu e-Kelvin (3500K-5000K) akhiqiza ukukhanya okupholile, okukhanyayo, okuluhlaza okwesibhakabhaka nokumhlophe okufaneleka kangcono izindawo zokusebenza, amakhishi, nezindlu zangasese.
I-Lumen ibalulekile ngoba inquma ukukhanya kokukhanya. Ukuphakama kwesilinganiso selume, ukukhanya kugqama. Inani lama-lumens owadingayo lizoncika kusayizi wegumbi kanye nenjongo yokukhanya. Isibonelo, isibani sokufunda singadinga kuphela ama-lumens angu-300-500, kuyilapho igumbi elikhulu lokuphumula lingadinga ama-lumens angu-1500-3000.
Imibuzo Evame Ukubuzwa
Isiphetho
Sengiphetha, ukuqonda umehluko phakathi kwe-Kelvin ne-lumens kubalulekile ekwenzeni ukukhetha kokukhanyisa unolwazi. Nakuba ama-lumens ekala ukukhanya kwe-bulb, u-Kelvin unquma izinga lokushisa lombala. Isilinganiso esiphezulu se-Kelvin sisho ukuthi ukukhanya kuzobonakala kupholile, kuyilapho isilinganiso esiphansi sizobonakala sifudumele. Kuye ngezidingo zakho, ungase uthande ukukhetha isibani esinesilinganiso esithile se-Kelvin noma ileveli yokukhanya. Ngokugcina lezi zici engqondweni, ungaqinisekisa ukuthi ukhetha ukukhanya okufanele kwekhaya lakho, ihhovisi, nanoma iyiphi enye indawo.
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