Sezvatinoziva tese, kune nzira mbiri dzekuyedza dzinotaurwa muCIE121: 1966 Clause 6.1, CIE127-2007 Clause 6.2, uye IES-LM-79-08 Clause 9.0: Imwe ndeye kushandisa yekubatanidza sphere pamwe nephotometer kana spectroradiometer kuyedza. LED inopenya flux. Iyo yakakosha nzira inoenderana yekuyera nzira yeakazara luminous flux (CIE121: 1966 Clause 6.1.1, CIE127-2007 Clause 6.2.2, uye IES-LM-79-08 Clause 9.0). Imwe yacho inzira yephotometric uchishandisa goniophotometer. Iyi ndiyo yakakwana yekuyera nzira yerumwe ruminous flux. Kana tikashandisa iyo yakakosha nzira uye iyo photometric nzira yekuyedza mwenje mumwe chete, tichienzanisa mhedzisiro yebvunzo, tinozoona kuti iyo yakazara inopenya flux data yakaedzwa nevaviri yakasiyana chaizvo. Ichi chinyorwa chinotarisa pamusiyano uripo pakati pekuyedzwa kwe lumen yemarambi e LED mune yekubatanidza sphere uye goniophotometer.
Iyo musimboti weiyo yakakosha nzira yekuyedza iyo yakazara luminous flux ndeye kuenzanisa iyo inopenya flux standard. Sezvo yakarongedzerwa nemwenje wakajairika, hazvifanirwe kuziva spectral kubuda kwe sphere. Iyo inopenya flux φTEST (λ) yeyakaedzwa mwenje chigadzirwa che LED inoverengerwa nekuienzanisa neyakajairwa mwenje. Kazhinji kutaura, nzira yekubatanidza yakanakira mwenje madiki akasanganiswa e LED uye mashoma madiki emwenje masosi ekuyedza iyo yakazara luminous flux uye chromaticity paramita. Iyi ndiyo yekuenzanisa nzira yekuyedza ye yakazara luminous flux. Iyo yekubatanidza nzira ine zvakanakira kukurumidza kuyerwa kumhanya uye hapana rima. Iyo idiki vhoriyamu, kuswedera pedyo nenzvimbo yemwenje sosi, ndiko kuwedzera kwakaringana mhinduro yebvunzo.
Nekudaro, kana uchishandisa iyo yakakosha nzira yekuyedza akakura-saizi mwenje mwenje we LED, zvipimo zvawo zvakakura zvichienzaniswa neiyo photometric nzira. Nzira yekutanga ndeyekushandisa yakakosha kuyedza kugadzirisa, mwenje we LED unotarisana nemhando dzakasiyana siyana, iyo LED isina mwenje masosi, spherical LED bulbs, mwenje we LED, Etc., uye mhando yemwenje we LED ine simba rakakura pane yekupedzisira. luminous flux test. Panguva imwecheteyo, kushandisa nzira yekubatanidza inodawo kuita calibration yekubatanidza sphere. Kazhinji, kana uri kuyedza mwenje we LED, mwenje wakajairwa unofanirwa kuve neyakafanana inopenya maitiro kune rambi riri pasi pekuyedzwa, uye yakagadzika chena LED ndiyo yakanakisa sarudzo. Ehe, mamwe marudzi emarambi anogona zvakare kushandiswa seye calibration mwenje sosi, asi izvi zvinokanganisa iko calibration. Yechipiri ndiyo mutsauko unounzwa nenzira yekuyedzwa: Kazhinji kutaura, kana mwenje uri pasi pekuyedzwa uchivhenekera kune zvakatenderedza, zvinodikanwa kushandisa iyo 4π bvunzo nzira yekuisa mwenje mukuyedzwa pakati penzvimbo yekubatanidza (IESLM). -79-08 Chikamu 9.2.5). Rudzi rwebvunzo urwu rune mhedzisiro yakanaka. Kana marambi ari mwenje wakananga, senge LED mapaneru mwenje, mwenje wemumugwagwa we LED, Etc., mwenje uri pasi pekuyedzwa unofanirwa kuiswa padivi peiyo sphere yekubatanidza bvunzo 2π (IESLM-79-08 Clause 9.2.5) . 4π yekubatanidza nzvimbo yekuyera nzira yekuyedza, kana iyo yakayerwa simba remwenje kana imba yemwenje inobata mwenje wakakura muhukuru, zvakanyanya kana zvishoma panguva yekuyedza kuzvibata-kunyura, kukosha kwekushandisa nguva ino kugadzira. simudza mwenje wekubatsira Error ( IESLM-79-08 Clause 9.1.5). Kazhinji kutaura, nzira yekubatanidza yakanakira mwenje madiki akasanganiswa e LED uye mashoma madiki e LED magetsi masosi. Kushandisa nzira yekubatanidza kuyedza marambi e LED akadaro anogona kuve nechokwadi uye kugadzikana kweiyo yakazara inopenya flux mhedzisiro, semuenzaniso, kana uchiyedza mwenje mikuru ye LED. , Kuganhurwa kweiyo nzira yekubatanidza yakakura. Chikonzero ndechekuti, sezvataurwa pamusoro, uye iyo yekupedzisira yakazara luminous flux bvunzo ine imwe nhanho yekusavimbika.
Iko kushandiswa kweiyo spectrophotometric bvunzo Yese inopenya flux iyo yakagoverwa photometer, iyo yakazara luminous flux bvunzo haawanzo miganhu. Photometric Bvunzo yakazara inopenya flux yakakosha huwandu hweiyo photometer yekuyera sosi yemwenje inogoverwa munzira dzakawanda dzakasiyana dzemwenje sosi (kana mwenje pachinhambwe chakapihwa kubva kuchiedza chekuvhenekera) chekusimba kwechiedza chechishandiso, iyo mwenje intensity data munzira imwe neimwe. Kuverenga iyo yakazara luminous flux. Kuenzaniswa neiyo yakakosha nzira, nekuda kwekusiyana kwekupararira kwechiedza chechiedza sosi, iyo photometric nzira haina zvikanganiso mudzidziso, saka ndiyo yakakwana yekuyedza nzira yeiyo yakazara luminous flux ye LED. Izvo hazvidi iyo yakazara luminous flux standard, asi zvinotora nguva yakareba kune yega yega sampuli - iyo yekuyera nguva. Kutora nzira yephotometric, bvunzo yeGoniophotometer ichasanganisira Type C Goniophotometer (IES-LM-79-08 Clause 9.3.1, CIE121: 1996 Clause 3.2) rima, nhambwe yekuyedza (IES-LM-79-08 Clause 9.3, CIE121: 1996) Clause 6.2.1.4 ), Uye zvichingodaro. Zvinhu zvikuru zvinokanganisa mutsauko muhuwandu hwekupenya kwegoniophotometer imhando yegoniophotometer, nzira yekuyedza (CIE121: 1996 Chikamu 3.4.2, Chikamu 3.4.1 uye Chikamu 3.4.3), nhambwe yekuyedza, iyo photometric probe mwenje, Etc., maererano Kuti uedze marudzi akasiyana ezvigadzirwa zve LED, tinogona kugadzirisa akakodzera nzira dzekuyedza kana michina; kana tikasangana nezvigadzirwa zve LED zvine nhete yemakona, tinogona kusarudza diki-saizi Goniophotometer, sarudza Rudzi C Goniophotometer, gadzirisa nhambwe yekuyedza, uye sarudza yakakwira nhanho Kirasi L photometric probes inogona kuwana yakakwirira-chaiyo bvunzo ye yakazara inopenya flux. Mukuyedza iyo yakazara inopenya flux ye LED, iyo photometric bvunzo inogona kuwana yakanyanya kuyera kuyerwa. Nekuda kwekumisikidzwa kwemukati kweiyo nzira yekubatanidza, zvakaoma kubvisa kukanganisa kuburikidza nekugadziriswa kwemidziyo, uye inogona chete kuderedza kukanganisa uku. Panguva imwecheteyo, iyo photometric bvunzo Iyo inodiwa midziyo pachayo haina kunyanyisa, saka kukanganisa kunogona kubhadharwa nekuvandudza modulation uye kushanda kwemidziyo.
Sezvatsanangurwa pamusoro, imwe yedzakareruka nzira dzekuyera LED inopenya flux ndeye kushandisa inosanganisa sphere photometer. Iyo spatial flux inooneka yakasanganiswa yekumisikidza zvishandiso. Kushandisa yakamisikidzwa photometer distal kuyera iyo yakazara kuburikidza-huwandu kuyerwa kunokurumidza uye nyore. Shandisa iyo yakazara inopenya flux chiyero kugadzirisa iyo yekubatanidza sphere photometer. Chiedza chechiedza chechiedza chinoyerwa nekuenzanisa neyakajairwa mwenje sosi ine yakafanana spatial uye spectral kugovera. Naizvozvo, nzira iyi inoda mwero wemwenje sosi yakarongedzerwa kupenya kuyerera. Kuenzaniswa nechiedza chekugovera tester, bvunzo yekumhanyisa inokurumidza kwazvo, asi kana kupararira kwenzvimbo yekuyedza LED, uye mwero wemwenje sosi haina kufanana, zviri nyore kugadzira zvikanganiso. Mhando iyi yekukanganisa yakaoma kugadzirisa, saka inofanirwa kunge iri kuburikidza neakanakisa dhizaini geometry uye akafanana mhando dzeakajairwa maLEDs kudzikisa kukanganisa uku.
Sezvambotaurwa, kuswedera kwechimiro chechimiro chebvunzo chiri padanho remwenje sosi, ndiko kuwedzera kwakaringana mhedzisiro yekubatanidza sphere bvunzo ichave. Saka kana tichida kuyedza kukosha kwemwenje yemwenje, yemwenje wegirobhu, mwenje madiki eLED, marambi eLED akabatanidzwa, machubhu emwenje, uye mamwe marambi ane danda angle inodarika 180 °, tinogona kushandisa sphere yekubatanidza ine spectrometer ye4π bvunzo. . Kune marambi mahombe epapaneru, marambi anopenya, marambi emumigwagwa, uye mamwe marambi ane beam angle isingasviki 180°, kana uchida kushandisa sphere yekubatanidza kuyedza, unofanira kushandisa sphere yekubatanidza ine mativi akazaruka ekuyedza 2π kana kushandisa mwenje webetsero. kuti ubatsirwe Kuedza, maitiro ekuyedza anonetesa uye haana chokwadi. Iyo yakanyatso kuyedza nzira yerudzi urwu rwemwenje ndeye kushandisa goniophotometer ine yakajairwa rima mukamuri yekuyedza. Inogona kuwana yakanyatsojeka luminous flux. Zvisinei, kana nguva yekuedzwa ine photometer yakagoverwa, kusiyana kwekuedza nzira kunofanira kuonekwa kuti, sezvo mwenje wepaneti unowanzo shandiswa C-γ bvunzo, yemarambi emigwagwa uye zvivheneko zvinowanzokurudzirwa bvunzo B-β; inodawo Standard Imba yerima inoda imwe nyanzvi yekuyedza nharaunda uye bvunzo vashandi kuti vashande vachienzaniswa nekubatanidza sphere bvunzo.
Muchidimbu, misimboti yekuyera, nharaunda, uye nzira dzekuyedza dzekubatanidza sphere uye goniophotometer dzakasiyana, uye kuyerwa kwemhedzisiro yezviviri izvi hazvifananidzwe. Tinogona kusarudza nzira yakakodzera yekuyedza zvinoenderana neakasiyana zviyero uye zvakasiyana zvinodiwa.
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