Kamar yadda muka sani, akwai hanyoyin gwaji guda biyu da aka ambata a cikin CIE121: 1966 Clause 6.1, CIE127-2007 Clause 6.2, and IES-LM-79-08 Clause 9.0: Daya shine a yi amfani da wani yanki mai hadewa tare da photometer ko spectroradiometer don gwadawa. Hasken haske na LED. Hanyar haɗin kai ita ce hanyar ma'aunin dangi na jimlar haske mai haske (CIE121: 1966 Sashe na 6.1.1, CIE127-2007 Sashe na 6.2.2, da IES-LM-79-08 Sashe na 9.0). Sauran ita ce hanyar photometric ta amfani da goniophotometer. Wannan ita ce cikakkiyar hanyar auna jimillar kwararar haske. Idan muka yi amfani da tsarin haɗin kai da hanyar photometric don gwada fitila ɗaya, kwatanta sakamakon gwajin, za mu ga cewa jimillar bayanai masu haske da aka gwada da su biyun sun bambanta sosai. Wannan labarin yana mayar da hankali kan bambanci tsakanin gwajin lumen na fitilun LED a cikin haɗin haɗin gwiwa da goniophotometer.
Ƙa'idar hanyar haɗin kai don gwada jimillar fiɗaɗɗen haske shine daidaita ma'auni mai haske. Tun da an daidaita shi tare da fitila mai mahimmanci, ba lallai ba ne don sanin abubuwan da ke fitowa na sphere. Haske mai haske φTEST (λ) na samfurin fitilar LED da aka gwada ana ƙididdige shi ta kwatanta shi da daidaitaccen fitilar. Gabaɗaya magana, hanyar haɗin kai ta dace da ƙananan fitilun LED hadedde da ingantattun maɓuɓɓugan hasken LED don gwada jimillar haske mai haske da sigogin chromaticity. Wannan ita ce hanyar gwajin kwatankwacin jimlar kwararar haske. Hanyar haɗin kai tana da fa'idodin saurin aunawa kuma babu duhu. Ƙananan ƙarar, mafi kusa da tushen hasken batu, mafi daidaito sakamakon gwajin.
Koyaya, lokacin amfani da hanyar haɗin kai don gwada fitilun LED masu girma, iyakokinta suna da yawa idan aka kwatanta da hanyar photometric. Hanya ta farko ita ce yin amfani da mahimmancin gwajin gwaji, fitilun LED suna fuskantar nau'i-nau'i iri-iri, tushen hasken haske na LED, fitilun LED masu launi, fitilar LED, da dai sauransu, kuma nau'in fitilar LED yana da tasiri mai mahimmanci akan ƙarshe. gwajin juzu'i mai haske. A lokaci guda kuma, yin amfani da hanyar haɗin kai kuma yana buƙatar yin daidaitawar yanayin haɗin gwiwa. Gabaɗaya, idan kuna gwada fitilun LED, daidaitaccen fitilar yana buƙatar samun halayen haske iri ɗaya ga fitilar a ƙarƙashin gwaji, kuma tsayayyen farin LED shine mafi kyawun zaɓi. Tabbas, ana iya amfani da wasu nau'ikan fitulun azaman tushen hasken daidaitawa, amma wannan zai shafi daidaiton daidaitawa. Na biyu shi ne bambancin da hanyar gwajin ta kawo: Gabaɗaya, idan fitilar da ke ƙarƙashin gwajin tana haskakawa ga kewaye, wajibi ne a yi amfani da hanyar gwajin 4π don shigar da fitilar a ƙarƙashin gwaji a tsakiyar ɓangaren haɗawa (IESLM). -79-08 Shafi na 9.2.5). Irin wannan gwajin yana da mafi kyawun tasiri. Idan fitilun fitilu ne na jagora, kamar fitilun LED panel, fitilun titin LED, da dai sauransu, fitilar da ke ƙarƙashin gwaji yana buƙatar shigar da shi a gefen ɓangaren haɗakarwa don gwajin 2π (IESLM-79-08 Clause 9.2.5) . 4π haɗa sphere don auna hanyar gwaji, idan ma'aunin wutar lantarki ko gidan fitilar ya mamaye dukkan babban fitila mai girma, sama ko ƙasa da haka a lokacin gwajin tasirin ɗaukar kai, buƙatar amfani da wannan lokacin don yin. Kuskuren fitilar taimako (IESLM-79-08 Sashe na 9.1.5). Gabaɗaya magana, hanyar haɗin kai ta dace da ƙananan fitilun LED da aka haɗa da ƙananan hanyoyin hasken LED. Yin amfani da hanyar haɗin kai don gwada irin waɗannan fitilun LED na iya tabbatar da daidaito da kwanciyar hankali na jimlar sakamako mai haske, alal misali, lokacin gwada fitilun LED masu girma. , Ƙayyadaddun hanyar haɗin kai yana da girma. Dalili kuwa shine, kamar yadda aka ambata a sama, kuma jimillar ƙwanƙwasa mai haske na ƙarshe yana da ƙayyadaddun rashin tabbas.
Amfani da gwajin spectrophotometric Jimlar haske mai walƙiya wanda aka rarraba photometer, jimlar gwajin kwararar haske da wuyar iyakoki. Gwajin Photometric jimlar haske mai haske na babban adadin ma'aunin ma'aunin ma'auni na photometer ana rarraba shi a wurare daban-daban na tushen hasken (ko haske a wani nisa da aka ba shi daga tushen hasken) na ƙarfin hasken na'urar, bayanan ƙarfin hasken a kowace hanya. Don ƙididdige jimlar kwararar haske. Idan aka kwatanta da hanyar haɗin kai, saboda bambanci a cikin ƙarfin rarraba hasken gwajin gwajin, hanyar photometric ba ta da kurakurai a cikin ka'idar, don haka ita ce cikakkiyar hanyar gwaji don jimlar haske mai haske na LED. Ba ya buƙatar jimillar ma'auni mai haske, amma yana ɗaukar lokaci mai tsawo don kowane samfurin-lokacin aunawa. Yin amfani da hanyar photometric, gwajin Goniophotometer zai ƙunshi Nau'in C Goniophotometer (IES-LM-79-08 Clause 9.3.1, CIE121: 1996 Clause 3.2) dakin duhu, nisa gwaji (IES-LM-79-08 Clause 9.3, CIE121: 1996 Fassarar 6.2.1.4 ), Da sauransu. Babban abubuwan da ke shafar bambance-bambance a cikin jimillar fitowar haske mai haske na goniophotometer sune nau'in goniophotometer, hanyar gwaji (CIE121: 1996 Jumla 3.4.2, Sashe na 3.4.1 da Sashe na 3.4.3), nisan gwaji, da fitilu bincike na photometric, Da dai sauransu, bisa ga Don gwada nau'ikan samfuran LED, zamu iya daidaita hanyoyin gwajin da suka dace ko kayan aiki; idan muka ci karo da samfuran LED tare da kunkuntar katako mai kusurwa, za mu iya zaɓar Goniophotometer ƙarami, zaɓi nau'in Goniophotometer Nau'in C, daidaita nisan gwaji, kuma zaɓi matakin mafi girma Class L masu binciken hoto na hoto na iya cimma madaidaicin gwaji na jimlar haske mai haske. A cikin gwada jimillar haske mai haske na LED, gwajin photometric zai iya cimma ma'auni mafi girma. Saboda ƙayyadaddun ƙayyadaddun ƙayyadaddun hanyar haɗin kai, yana da wuya a kawar da kuskure ta hanyar daidaitawar kayan aiki, kuma zai iya rage girman wannan kuskure kawai. A lokaci guda, gwajin photometric Kayan aikin da ake buƙata kansa ba shi da iyaka, don haka za'a iya ramawa kuskure ta hanyar inganta haɓakawa da aiki na kayan aiki.
Kamar yadda aka bayyana a sama, ɗayan mafi sauƙi hanyoyin don auna hasken hasken LED shine amfani da na'urar daukar hoto mai haɗawa. Na'urar saiti ce ta haɗe-haɗe da gani. Yin amfani da ƙayyadadden distal na photometer don auna jimillar ma'aunin ma'auni yana da sauri da sauƙi. Yi amfani da jimlar ma'auni mai haske don daidaita ma'aunin hoto mai haɗawa. Ana auna tushen hasken gwajin ta hanyar kwatantawa da daidaitaccen tushen haske tare da irin wannan sararin samaniya da rarrabawa. Don haka, wannan hanyar tana buƙatar daidaitaccen tushen haske wanda aka daidaita don fitowar haske. Idan aka kwatanta da na'urar rarraba hasken wuta, gwajin gwajin yana da sauri sosai, amma lokacin da rarraba ƙarfin sararin samaniya na gwajin LED, kuma madaidaicin hasken haske ba ya kama, yana da sauƙi don samar da kurakurai. Irin wannan kuskuren yana da wuyar gyarawa, don haka ya kamata ya kasance ta hanyar ƙirar ƙira mai kyau da nau'ikan nau'ikan LEDs masu kama da su don rage wannan kuskuren.
Kamar yadda aka ambata a baya, mafi kusancin siffar na'urar gwajin ita ce madaidaicin ma'anar haske, mafi daidaitaccen sakamakon haɗin gwaninta zai kasance. Don haka lokacin da muke buƙatar gwada ƙimar fitilun fitilu, don fitilun kwan fitila, ƙananan fitilun LED, haɗaɗɗen fitilun LED, bututun fitulu, da sauran fitilun tare da kusurwar katako sama da 180 °, zamu iya amfani da yanki mai haɗawa tare da spectrometer don gwajin 4π. . Don manyan fitilun panel, fitillu masu ɗaukar hoto, fitilun zirga-zirga, da sauran fitilun tare da kusurwar katako ƙasa da 180 °, idan kuna son yin amfani da yanki mai haɗawa don gwaji, kuna buƙatar amfani da yanki mai haɗawa tare da buɗewar gefe don gwajin 2π ko amfani da fitilun taimako. don taimako Gwaji, tsarin gwaji yana da wahala kuma ba shi da tabbas. Hanyar gwaji mafi inganci don irin wannan fitilar ita ce amfani da goniophotometer tare da daidaitaccen ɗakin duhu don gwaji. Zai iya samun ingantacciyar juyi mai haske. Koyaya, lokacin da aka rarraba lokacin gwajin tare da na'urar daukar hoto, ya kamata a lura da bambance-bambance a cikin hanyar gwajin cewa, kamar yadda ake amfani da fitilar panel gabaɗaya gwajin C-γ, don fitilun zirga-zirga da fitilun fitulu gabaɗaya shawarar gwajin B-β; Hakanan yana buƙatar ma'auni Gidan duhu yana buƙatar ƙarin ƙwararrun wurin gwaji da ma'aikatan gwaji don yin aiki idan aka kwatanta da gwajin haɗin kai.
A taƙaice, ƙa'idodin aunawa, muhalli, da hanyoyin gwaji na haɗa sphere da goniophotometer sun bambanta, kuma sakamakon ma'auni na biyun ba ya misaltuwa. Za mu iya zaɓar hanyar da ta dace don gwaji bisa ga ma'auni daban-daban da buƙatu daban-daban.
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