Isalathiso sokunika umbala sidlala indima ebalulekileyo kwihlabathi lokukhanyisa. Le metric engundoqo ikuxelela indlela ukukhanya okubonisa ngayo umbala wokwenyani wento, inceda abasebenzisi baqonde umgangatho kunye nokusebenza komthombo wokukhanya.
Ukuqonda i-CRI kunokukunceda wenze ukhetho olufanelekileyo lokukhanyisa kulungiselelo lwakho. Le bhlog icacisa zonke iinkcukacha ofuna ukuzazi malunga ne-CRI.
Inkcazo esisiseko ye-CRI
I-CRI, okanye i-Colour Rendering Index, ngumlinganiselo wokukwazi kwesixhobo sokukhanyisa ukuvelisa kwakhona imibala yokwenyani yento xa kuthelekiswa nokukhanya kwelanga kwendalo. Uluhlu lwexabiso le-CRI ngu-0 ukuya kwi-100, kwaye okukhona ixabiso liphezulu, kokukhona amandla omthombo wokukhanya anamandla okuvelisa imibala. Ukuba uluhlu lubonisa ixabiso le-100, oko kuthetha ukuba ukukhanya kunokunikezelwa kombala ogqibeleleyo, okufanayo nokukhanya kwendalo.
Ibalwa njani iCRI?
I-CIE yaqala yazisa ingcamango ye-CRI kwihlabathi kwi-1965. Ukubalwa kwe-CRI kusekelwe kwimigangatho ebekwe yiKhomishoni yamazwe ngamazwe yokukhanyisa (CIE). Ngokukodwa, ngokukhanyisa umthombo wokukhanya kwiseti yeesampuli zombala eziqhelekileyo, iqondo lokutenxa kombala liyalinganiswa. Abaphuhlisi basebenzisa umahluko phakathi kokukhanya kovavanyo kunye nereferensi yeesampulu zombala ezisibhozo. Babala umahluko kwimbonakalo yombala ukuze ekugqibeleni bafumane ixabiso le-CRI. Umncinci umehluko, uphezulu i-CRI.
Indlela yokulinganisa i-CRI?
I-CRI idla ngokubalwa kusetyenziswa uhlalutyo lombala wovavanyo lwe-CIE-1974. Iqulethe iisampulu zemibala ezili-14. Iisampulu zombala ezisi-8 zokuqala zibizwa ngokuba yi-TCS. I-TCS isetyenziselwa ukulinganisa i-CRI esisiseko. Iqulethe iisampulu zemibala ethambileyo efana nebhlowu ephakathi, emthubi-luhlaza, greyish tyheli, kunye nobomvu okhanyayo obungwevu. I-6 eseleyo ye-14 iisampulu zombala zisetyenziselwa ukulinganisa uhlalutyo oluthile lombala.
Ungalinganisa isalathiso sombala ngokulandela la manyathelo alula:
- Khetha umthombo wokukhanya wereferensi: Qinisekisa ukuba isibane sovavanyo kunye nokukhanya kwereferensi kunobushushu obufanayo bombala.
- Khanyisa isampuli yombala: Jonga ukukhanya kwe-TCS kokukhanya kovavanyo kunye nokukhanya kwereferensi.
- Thelekisa unikezelo lombala: Bala umahluko wombala ngokuthelekisa iisampulu zokukhanya kwereferensi kunye nokukhanya kovavanyo.
- Bala i-CRI: Linganisa umahluko kwaye unike ixabiso lenqaku le-CRI (0-100) lokukhanya kovavanyo.
Kutheni i-CRI ibalulekile kubavelisi be-luminaire?
Abavelisi beLuminaire kufuneka babonelele ngemithombo yokukhanya ngesalathiso sombala ophezulu wonikezelo ukuqinisekisa ukuba abasebenzisi banokufumana umbono ochanekileyo wombala.
Nazi izizathu ezichaza ukubaluleka kwe-CRI:
- Ukubona umbala ochanekileyo: Iindawo ezifana namaziko ezonyango, iindawo zobugcisa, izitudiyo zokufota, kunye neevenkile ezithengisayo zifuna izibane eziphezulu ze-CRI. Oku kubanceda babone imibala yokwenyani yezinto.
-Ukonwaba okubonakalayo okuphuculweyo: Izibane eziphezulu ze-CRI zibonelela ngamava okukhanyisa kwendalo, ngaloo ndlela kunciphisa ukukhathala kwamehlo.
- Uphuculo lobuhle: Iindawo ezinoyilo olugqwesileyo loyilo zifuna izibane eziphezulu ze-CRI ukunyusa ubuhle buphelele bezi ndawo.
Ukusetyenziswa kwe-CRI kwiimeko ezahlukeneyo
Umlinganiselo ofunekayo we-CRI uyahluka ukusuka kwisicelo ukuya kwisicelo. Oku kuthetha ukuba iindawo ezahlukeneyo zifuna iindidi ezahlukeneyo ze-CRI ukuphucula ukukhanya kwazo.
UkuKhanya kwendawo yokuhlala: Izibane ezisetyenziswa kwiindawo zokuhlala kufuneka zibe ne-CRI ye-80 okanye ngaphezulu. Olu kulinganisa luqinisekisa ukuba ubona iithoni zokwenyani zemihombiso, ifenitshala kunye noseto.
UkuKhanya okuThengisa: Iivenkile ezithengisayo kufuneka zisebenzise izibane ezine-CRI ye-90 okanye ngaphezulu. Inkangeleko yokwenyani kunye nemibala eqaqambileyo yeemveliso itsala abathengi abaninzi kwaye yandise intengiso yakho.
IiGalari zoBugcisa kunye neeMyuziyam: Iindawo ezinjalo zifuna izibane eziphezulu ze-CRI (ezinomlinganiselo we-95 okanye ngaphezulu) ukubonisa imibala echanekileyo kunye nenkangeleko yemisebenzi yobugcisa.
Ukufota kunye neVidiyo: Kwizitudiyo zokufota, izibane kufuneka zibe ne-CRI ephezulu ukubamba imibala echanekileyo yezinto kunye nabantu.
Amaziko oNyango kunye naMazinyo: Oogqirha bafuna ukukhanya okuqaqambileyo kunye ne-CRI ephezulu ukuze bakwazi ukuxilonga izizathu ezisisiseko zezigulana zabo kwaye benze unyango olusebenzayo.
Imizi-mveliso kunye neMveliso: Ezi ndawo zikwafuna izibane eziphezulu ze-CRI ukubona iimpazamo kunye neziphene kwiimveliso kwangoko.
Ukuthelekiswa kwe-CRI kunye nezinye iimpawu zokusebenza komthombo wokukhanya
1. CRI kunye nobushushu bombala (CCT)
Bobabini ukushisa kombala kunye ne-CRI zizinto ezibalulekileyo ezichaphazela ukusebenza kwemithombo yokukhanya, kodwa zilinganisa iipropati ezahlukeneyo. Ubushushu bombala (CCT, Ubushushu boMbala ohambelanayo) buchaza i-hue yomthombo wokukhanya, njengokukhanya okufudumeleyo (2700K) okanye ukukhanya okupholileyo (5000K), ngelixa i-CRI igxile ekuchanekeni kokuveliswa kombala womthombo wokukhanya. Umthombo wokukhanya unokuba nobushushu obuphezulu bemibala kunye nesalathiso sombala ophezulu, okanye unokuba nombala ombi kubushushu obuphezulu bombala.
2. I-CRI kunye nokusebenza kakuhle okukhanyayo
Ukuphumelela okukhanyayo kubhekiselele ekusebenzeni kakuhle kwamandla omthombo wokukhanya, ngokuqhelekileyo kulinganiselwa kwiilumens ngewathi (lm/W). Imithombo yokukhanya ephezulu ayithethi ukuba i-CRI ephezulu, kwaye ezinye izibane zokulondoloza amandla ziphucula ukusebenza kakuhle okukhanyayo ngeendleko zokunikezelwa kombala. Ke ngoko, ngelixa ulandela ukonga amandla, ukubaluleka kwe-CRI akunakunakwa.
3. I-CRI kunye nokutenxa kwi-chromaticity (Duv)
I-Duv yiparamitha esetyenziselwa ukulinganisa ukutenxa kwechromaticity kumthombo wokukhanya, nto leyo ebonisa umahluko phakathi kombala womthombo wokukhanya kunye nokukhanya okumhlophe okufanelekileyo. Nangona i-CRI inokulinganisa amandla okuvelisa umbala, i-Duv inokubonakalisa ukuthambekela kombala ngokubanzi komthombo wokukhanya. Ngokukodwa kwizicelo ezichanekileyo, iDuv kunye ne-CRI kufuneka ziqwalaselwe kunye.
Ukuthelekiswa kwamaxabiso e-CRI yemithombo yokukhanya eqhelekileyo
1. Izibane ze-LED
Izibane ze-LED zezinye zezona zixhobo ziqhelekileyo zokukhanya ezisetyenziswayo kumaxesha anamhlanje, kwaye ixabiso labo le-CRI lihlala liphakathi kwe-80-90. Izibane ze-LED ezikumgangatho ophezulu zinokufikelela kwi-CRI engaphezulu kwe-90, efanelekileyo kwizigcawu zokukhanyisa ezichanekileyo.
2. Izibane zeFluorescent
I-CRI yezibane zemveli ze-fluorescent zihlala ziphakathi kwama-70-85. Nangona umphumo wokonga amandla ulungile, ukusebenza kwawo kokunikezelwa kombala kuphantsi, kwaye ayifanelekanga kwizihlandlo ezineemfuno eziphezulu zokuvelisa umbala.
3. Izibane ze-incandescent
Ixabiso le-CRI yezibane ze-incandescent lisondele kwi-100, enokuthi phantse ibuyisele ngokugqibeleleyo umbala oyinyaniso wezinto. Nangona kunjalo, izibane ze-incandescent zinamandla aphantsi kwaye zicinywa ngokuthe ngcembe.
Unyino lwe-CRI
I-CRI ithathwa njengesixhobo sokulinganisa esiluncedo, kodwa nayo inemida ethile.
- Imibala yesampulu elinganiselwe: Iziphumo ze-CRI zisekelwe kuphela kwiisampuli zemibala ezi-8 kuphela. Oku akubonisi uluhlu olubanzi lwemibala kwihlabathi lenene.
- Ubunzima obulinganayo: Zonke iisampuli zemibala ezi-8 ze-CRI zinemilinganiselo efanayo. Oku kuthetha ukuba ayinakumela ukubaluleka kwemibala ethile kwizicelo ezithile.
- Ukuxhomekeka kobushushu bombala: Iziphumo ze-CRI zinokutshintsha ngotshintsho kwiqondo lokushisa lombala. Oku kuthetha ukuba izicelo ezinobushushu obunemibala eyahlukeneyo azikwazi ukubonisa i-CRI echanekileyo.
- Ukunqongophala kolwazi lokuzalisa: Ezinye izicelo zifuna i-saturation, kwaye i-CRI ayinaso isakhono sokulinganisa umbala.
Indlela yokukhetha i-CRI efanelekileyo yokukhanyisa?
Khetha ngokwemeko yesicelo
Iimeko ezahlukeneyo zineemfuno ezahlukeneyo ze-CRI. Xa ukhetha izibane, kubalulekile ukuqwalasela iimfuno ezithile zemeko yesicelo. Ukuthetha jikelele:
Izibane zasekhaya:CRI ≥ 80
Umboniso worhwebo:CRI ≥ 90
Iindawo zokusebenzela (ezinje ngezonyango, ukufota):CRI ≥ 95
Ukukhetha ukukhanya okufanelekileyo, kufuneka ulandele eminye imiba ukuze ufezekise unikezelo olungcono lombala:
Ubushushu bombala: Qinisekisa ubushushu bombala womthombo wokukhanya okhethiweyo ufanelekile kwindawo yakho. Ngokomzekelo, ukukhanya okufudumeleyo kusetyenziselwa amakhaya kunye nokukhanya okumhlophe okumhlophe kusetyenziswa kwiindawo zorhwebo.
Itekhnoloji yokukhanyisa: Nceda ukhethe iteknoloji efanelekileyo ngokufanelekileyo, njengoko isibane ngasinye sokukhanyisa sinamanqanaba ahlukeneyo e-CRI.
Iinkcukacha zomenzi: Soloko ujonga ukuba isibane osikhethayo siqinisekisiwe kwaye sivavanyelwe ukuchaneka kwe-CRI.
Imizila Yexesha elizayo kuBonelelo lweMibala
Ishishini lokunikezela ngemibala liye lavela ngokuhamba kwexesha. Uphando oluqhubekayo lujolise ekuphuculeni iinkqubo zalo zokulinganisa.
- Iimetrics ezikwinqanaba eliphezulu: Iiyunithi ezifana ne-CQS kunye ne-TM-30 zibonelela ngeziphumo ezicacileyo kunye nezichanekileyo zokunikezelwa kombala. Ke ngoko, baziwa ngcono kune-CRI.
- Ukukhanya okuphakathi kwabantu: Abaphuhlisi bagxile ekudaleni ukukhanya kwabantu. Banobuchule obungcono bokunikezela ngemibala kwaye abanabungozi kwimpilo yabantu.
-Izisombululo zokukhanyisa ezihlakaniphile: Izibane ezihlakaniphile zinika abasebenzisi ulawulo olupheleleyo kwi-CRI yabo kunye nobushushu bombala. Oku kubenza bakwazi ukwenza ukukhanya ngokweemfuno zabo.
- Ukukhanya okuzinzileyo: Isizukulwana sanamhlanje sigxile ngakumbi ekusebenziseni izixhobo ezizinzileyo. Izibane ezitsha ezilungele i-eco-friendly zibonelela ngombala ongcono.
Ukuqukumbela
Umntu kufuneka aqonde i-CRI ngaphambi kokuba enze ukhetho olufanelekileyo lokukhanyisa. Oku kuthetha ngokulula indlela obona ngayo into ekukhanyeni okwenyani; ezi zibane ziya kukubonisa indlela into eza kujongeka ngayo ngendlela efanayo naphantsi kokukhanya kwayo. Ezinye iiseti zifuna izibane eziphezulu ze-CRI, ngelixa ezinye zifuna izibane eziphantsi ze-CRI. Ke ngoko, kuya kufuneka wazi apho uzibeke khona izibane kwaye ngoba. Ngale ndlela, unokwenza isigqibo esifanelekileyo xa ukhetha i-CRI efanelekileyo.
At XINSANXING, sinikezela ngezibane ezikumgangatho ophezulu ezivavanywa yi-CRI. Ngolwazi oluthe vetshe, nceda undwendwele iwebhusayithi yethu okanye uqhagamshelane nathi nge-imeyile.
Ukuba ukwishishini, unokuthanda
Ixesha lokuposa: Oct-16-2024