Ƙididdigar launi na launi (CRI) hanya ce ta haɗin kai ta duniya don ma'anar ma'anar ma'anar launi na tushen haske. An ƙera shi don samar da madaidaicin kima na ƙimar abin da launi na abu a ƙarƙashin ma'aunin haske ya yi daidai da launi da aka gabatar a ƙarƙashin tushen haske. Hukumar Internationale de l'eclairage (CIE) ta sanya ma'aunin ma'anar launi na hasken rana a 100, kuma ma'aunin nuna launi na fitilun fitilu yana kusa da na hasken rana don haka ana ɗaukar madaidaicin tushen haske.
CRI muhimmin abu ne don auna ikon tushen haske don sake haifar da launin abu. Babban darajar CRI, mafi ƙarfin ikon tushen hasken don dawo da launi na abu, kuma yana da sauƙi ga idon ɗan adam ya bambanta launin abin.
CRI hanya ce ta auna aikin tushen haske a cikin gane launi idan aka kwatanta da daidaitaccen tushen haske (kamar hasken rana). Ma'auni ne da aka yarda da shi sosai kuma hanya ɗaya tilo don kimantawa da bayar da rahoton ma'anar launi na tushen haske. Ma'anar launi shine ƙima mai mahimmanci wanda ke auna matakin da tushen haske ke gabatar da launin abu, wato, yadda haƙiƙanin haifuwar launi yake.
Ma'anar launi mai haske (CRI≥90) na iya samar da haske mai laushi, yadda ya kamata ya rage gajiya na gani, ya sa filin hangen nesa ya fi dacewa kuma hoton ya fi girma uku; kawo masu amfani da babban launi mai launi da ƙwarewar haske na waje. Ma'anar babban launi yana da tasiri mai kyau na haifuwa, kuma launuka da muke gani sun fi kusa da launuka na farko na halitta (launuka a ƙarƙashin hasken rana); Ma'anar ƙananan launi suna da haɓakar launi mara kyau, don haka bambancin launi da muke gani ya fi girma.
Yadda za a zabi ma'anar ma'anar launi / launi lokacin siyan kayan aikin haske?
Lokacin zabar ma'anar launi, yawanci ana bin ka'idoji guda biyu, wato ka'idar samar da launi mai aminci da ka'idar samar da launi mai tasiri.
(1) Amintaccen ƙa'idar yin launi
Ƙa'idar ma'anar launi mai aminci tana nufin cewa don wakiltar ainihin launi na abu daidai, ana buƙatar zaɓin tushen haske tare da fihirisar ma'anar launi. A wannan yanayin, ana iya yin zaɓi bisa ƙimar Ra. Girman darajar Ra, mafi girman matakin maido da asalin launi na abu. Aikace-aikace daban-daban suna da buƙatu daban-daban don amintaccen ma'anar launi na tushen haske.
Dangane da wurare daban-daban masu dacewa, Hukumar Kula da Haske ta Duniya (CIE) ta raba fihirisar ma'anar launi zuwa rukuni biyar:
| Rukunin yin launi | Ra darajar | yin launi | Iyakar amfani/amintaccen buƙatun samar da launi |
| 1A | 90-100 | m | Inda ake buƙatar daidaitaccen bambancin launi |
| 1B | 80-89 | mai kyau | Inda ake buƙatar samar da matsakaicin launi |
| 2 | 60-79 | talakawa | Inda ake buƙatar samar da matsakaicin launi |
| 3 | 40-59 | in mun gwada da matalauta | Wurare masu ƙarancin buƙatun ma'anar launi |
| 4 | 20-39 | matalauta | Wuraren da ba su da takamaiman buƙatu don yin launi |
(2) Tasirin ƙa'idar launi
Ka'idar tasiri mai launi shine cewa a cikin takamaiman al'amuran kamar kayan nama na nunin kabad, don haskaka ƙayyadaddun launuka da kuma nuna kyakkyawar rayuwa, ana buƙatar takamaiman alamar ma'anar launi. Dangane da tabbatar da cewa ƙimar Ra ta cika buƙatun, ana haɓaka madaidaicin ma'anar ma'anar launi na musamman bisa ga launi na abu mai haske.
A cikin yankin nunin nama na manyan kantuna da shaguna daban-daban, ma'anar ma'anar launi R9 na tushen hasken wuta yana da mahimmanci musamman, saboda launin nama yawanci yana nuna son kai ga ja, kuma mafi girma R9 na iya sanya naman ya zama sabon sakamako na gani mai daɗi. .
Don fage kamar matakan wasan kwaikwayo da situdiyo waɗanda ke buƙatar ingantattun sautunan fata, maƙasudin ma'anar launi R15 na tushen haske dole ne su dace da babban ma'auni.
FadadaKyanzu
Ma'anar ma'anar launi na fitilun fitilu shine 100. Duk da haka, a rayuwa, akwai nau'o'in fitilu masu haske da yawa tare da amfani daban-daban. Saboda haka, darajar su Ra ba iri ɗaya ba ce. Ana iya cewa kawai yana kusa da 100, wanda ake la'akari da shi shine tushen haske tare da mafi kyawun aikin samar da launi. . Duk da haka, irin wannan nau'in hasken haske yana da ƙarancin haske kuma ya rasa fa'idodin ceton makamashi da kare muhalli. Sabanin haka, duk da cewa fitilun LED sun yi kasa da fitillun da ba a iya amfani da su ba ta fuskar aikin samar da launi, sun zama tushen hasken da ya fi shahara saboda ceton makamashi da kuma yanayin muhalli.
Bugu da ƙari, idan jikin ɗan adam yana fuskantar yanayi mai haske tare da ƙarancin aiki mai launi na dogon lokaci, hankalin ƙwayoyin mazugi na idon ɗan adam zai ragu sannu a hankali, kuma kwakwalwar na iya ba da hankali sosai lokacin gano abubuwa, wanda zai iya yin tasiri. cikin sauƙin kai ga gajiyawar ido har ma da myopia.
Fihirisar ma'anar launi na tushen hasken ajujuwa bai kamata ya zama ƙasa da 80 ba. Ma'anar ƙarancin launi na hasken ajujuwa zai shafi ainihin fahimtar idanun ɗalibai na ainihin launi na abubuwa, yana sa abubuwa su kasa gabatar da ainihin launukan su. Idan wannan yanayin ya ci gaba na dogon lokaci, zai haifar da raguwa da raguwar ikon nuna wariyar launin fata, wanda hakan zai haifar da matsalolin hangen nesa da cututtukan ido a cikin dalibai kamar makanta mai launi da raunin launi.
Ana amfani da ma'anar ma'anar launi Ra> 90 don hasken ofis, gamsuwar bayyanarsa na iya rage hasken fiye da 25% idan aka kwatanta da wuraren hasken wuta tare da ƙananan fitilar ma'anar launi (Ra <60). Fihirisar ma'anar launi da haske na tushen hasken tare suna ƙayyade tsayuwar gani na muhalli, akwai madaidaicin dangantaka tsakanin haske da ma'anar ma'anar launi.
Lokacin aikawa: Afrilu-03-2024
