Modulolin LED masu daidaitawa Bisa CSP-COB
Takaitawa: Bincike ya nuna alaƙar da ke tsakanin launi na tushen haske da kuma sake zagayowar circadian na ɗan adam. Daidaita launi ga bukatun muhalli ya zama mafi mahimmanci a cikin aikace-aikacen hasken wuta mai inganci. Cikakken nau'in haske ya kamata ya nuna halaye mafi kusa da hasken rana tare da babban CRI, amma yana da kyau. dacewa da hankalin mutum.Hasken tsakiyar ɗan adam (HCL) yana buƙatar injiniya bisa ga canjin yanayi kamar wurare masu amfani da yawa, azuzuwa, kula da lafiya, da ƙirƙirar yanayi da ƙayatarwa.An ƙirƙira Modulolin LED masu iya canzawa ta hanyar haɗa fakitin ma'aunin guntu (CSP) da guntu a kan jirgin (COB).CSPs an haɗa su a kan jirgin COB don cimma babban ƙarfin iko da daidaiton launi, yayin da suke ƙara sabon aikin launi tunability.Sakamakon hasken haske za a iya ci gaba da saurare daga haske, mai sanyaya launin haske a lokacin rana zuwa dimmer, zafi mai zafi da maraice, Wannan takarda ya ba da cikakken bayani game da ƙira, tsari, da aikin na'urorin LED da aikace-aikacen sa a cikin ɗumi mai ɗumi LED saukar haske da haske.
Mabuɗin kalmomi:HCL, Circadian rhythms, Tunable LED, Dual CCT, Dimming, CRI
Gabatarwa
LED kamar yadda muka sani ya kasance a kusa da fiye da shekaru 50.Ci gaba na kwanan nan na farin LEDs shine abin da ya kawo shi a cikin idon jama'a a matsayin maye gurbin sauran maɓuɓɓuka masu haske. Idan aka kwatanta da al'adun gargajiya na al'ada, LED ba wai kawai yana ba da fa'idodin ceton makamashi da tsawon rai ba, amma kuma yana buɗe ƙofar zuwa sabon tsarin sassauci don digitizing da daidaita launi.Akwai hanyoyi biyu na farko na samar da farin haske-emitting diodes (WLEDs) wanda ke haifar da babban haske mai haske. Daya shine amfani da LEDs guda ɗaya waɗanda ke fitar da launuka na farko guda uku-ja, kore, da blue. - sa'an nan kuma haxa launuka uku don samar da farin haske. ɗayan kuma shine yin amfani da kayan phosphor don canza haske mai launin shuɗi ko violet LED zuwa haske mai haske mai fadi, da yawa a cikin hanyar da kwan fitila mai haske yana aiki. Yana da mahimmanci a lura. cewa 'farin' hasken da aka samar an yi shi da gaske don dacewa da idon ɗan adam, kuma dangane da halin da ake ciki bazai dace koyaushe a ɗauka shi azaman farin haske ba.
Hasken walƙiya shine babban yanki a cikin ginin mai wayo da birni mai wayo a zamanin yau.An ƙara yawan masana'antun suna shiga cikin ƙira da shigar da sabbin hanyoyin samar da hasken wutar lantarki.Sakamakon shi ne cewa an aiwatar da tsarin sadarwa mai yawa a cikin samfuran samfuran daban-daban. ， irin su KNx ) BACnetP', DALI, ZigBee-ZHAZBA', PLC-Lonworks, da dai sauransu.Matsala ɗaya mai mahimmanci a cikin duk waɗannan samfuran shine ba za su iya yin aiki tare da juna ba (watau ƙarancin daidaituwa da haɓakawa).
LED luminaires tare da ikon sadar sãɓãwar launukansa haske sun kasance a kan gine-gine kasuwar hasken wuta tun farkon zamanin m-state lighting (SSL) .Ko da yake, launi-mai daidaita haske ya kasance wani aiki a ci gaba da kuma bukatar wani adadin aikin gida ta hanyar takamaiman idan shigarwar za a yi nasara.Akwai nau'ikan nau'ikan nau'ikan daidaita launi guda uku a cikin fitilun LED: farar kunnawa, dim-zumi-dumi, da cikakken launi.Duk nau'ikan ukun ana iya sarrafa su ta hanyar watsa mara waya ta amfani da Zigbee, Wi-Fi, Bluetooth ko sauran ladabi, kuma suna hardwired zuwa gina power.Saboda wadannan zažužžukan, LED samar da yiwu mafita ga canza launi ko CCT saduwa da ɗan adam circadian rhythms.
Circadian Rhythms
Tsire-tsire da dabbobi suna nuna alamun sauye-sauyen ɗabi'a da physiological sama da kusan sa'o'i 24 waɗanda ke maimaitawa a cikin kwanaki masu zuwa-waɗannan su ne rhythms na circadian. Ƙwayoyin dawakai suna da tasiri da ƙazamin ƙazafi da na ƙarshe.
Melatonin ne ke sarrafa rhythm na circadian wanda shine daya daga cikin manyan kwayoyin halittar da ke cikin kwakwalwa.Kuma yana haifar da bacci shima. Melanopsin receptors suna saita yanayin circadian tare da shuɗi mai haske bayan tashi ta hanyar rufe samar da melatonin". cikakken shigar da nau'o'in barci daban-daban, wanda shine lokaci mai mahimmanci na farfadowa ga jikin mutum. Bugu da ƙari, tasirin rushewar circadian ya wuce fiye da tunani a cikin yini da barci da dare.
Game da nazarin halittu rhythms a cikin mutane za a iya auna ta hanyoyi da yawa yawanci, barci / farkawa sake zagayowar, core jiki zafin jiki, melatoninconcentration, cortisol maida hankali, da kuma Alpha amylase maida hankali8.But haske ne na farko synchronizers na circadian rhythms zuwa gida matsayi a duniya, saboda tsananin haske, rarraba bakan, lokaci da tsawon lokaci na iya rinjayar tsarin circadian na ɗan adam. Wannan yana rinjayar agogon ciki na yau da kullun.Lokacin bayyanar haske na iya ko dai gaba ko jinkirta agogon ciki". Ƙwayoyin daɗaɗɗen za su yi tasiri ga aikin ɗan adam da ta'aziyya da dai sauransu. Tsarin circadian na ɗan adam ya fi dacewa da haske a 460nm (yankin shuɗi na bakan da ake iya gani), yayin da tsarin gani ya fi dacewa. to 555nm (green area) Don haka yadda za a yi amfani da CCT tunable da ƙarfi don inganta rayuwar rayuwa yana ƙara zama mahimmanci. LEDs masu launi na launi tare da tsarin kulawa da haɗakarwa za a iya haɓaka don saduwa da irin wannan babban aiki, bukatun hasken lafiya. .
Fig.1 Haske yana da tasirin dual akan bayanin martabar melatonin na sa'o'i 24, tasiri mai mahimmanci da tasirin Canjin Lokaci.
Kunshin zane
Lokacin da kuka daidaita hasken halogen na al'ada
fitila, za a canza launi.Koyaya, LED na al'ada ba zai iya daidaita zafin launi ba yayin canza haske, yin kwaikwayon canjin iri ɗaya na wasu fitilu na al'ada.A cikin kwanakin farko, yawancin kwararan fitila za su yi amfani da jagora tare da LEDs CCT daban-daban da aka haɗa akan allon PCB
canza launin haske ta canza halin yanzu.Yana buƙatar hadaddun tsarin hasken wutar lantarki don sarrafa CCT, wanda ba aiki mai sauƙi ba ne ga masana'anta na luminaire.Kamar yadda ƙirar hasken wutar lantarki ke ci gaba, ƙayyadaddun hasken wutar lantarki kamar fitilun tabo da fitilun ƙasa, yana kiran girman girman girman, manyan samfuran LED masu yawa, Domin gamsar da duka daidaita launi da ƙaƙƙarfan buƙatun tushen haske, masu canza launi COB suna bayyana a kasuwa.
Akwai nau'ikan daidaita launi guda uku, na farko, yana amfani da CCT CSP mai dumi da sanyin CCT CsP bonding akan allon PCB kai tsaye kamar yadda aka kwatanta a cikin Hoto 2. Nau'in na biyu na COB tunable tare da LES cike da ratsi daban-daban na CCT phosphor daban-daban. siliconesas wanda aka nuna a cikin hoto
3.A cikin wannan aiki, na uku tsarin kula da ake dauka ta hanyar hadawa dumi CCT CSP LEDs tare da blue jefa-kwakwalwan kwamfuta da kuma a hankali solder a haɗe a kan wani substrate.Sa'an nan farar nuna silicone madatsar ruwa da aka dispensed kewaye da dumi-fararen CSPs da blue jefa-chips.A karshe. ,An cika shi da phosphor dauke da siliconeto cika nau'in COB mai launi dual kamar yadda aka nuna a cikin Fig.4.
Hoto 4 CSP mai launi mai dumi da shuɗi mai juye guntu COB (Tsarin 3- Ci gaban ShineOn)
Idan aka kwatanta da Tsarin 3, Tsarin 1 yana da rashin amfani guda uku:
(a) Haɗin launi tsakanin maballin hasken CSP daban-daban a cikin CCTs daban-daban ba daidai ba ne saboda rarrabuwar siliki na phosphor da ke haifar da guntuwar hanyoyin hasken CSP;
(b) An lalata tushen hasken CSP cikin sauƙi tare da taɓawa ta jiki;
(c) Ratar kowane tushen hasken CSP yana da sauƙi don kama ƙura don haifar da raguwar COB lumen;
Structure2 shima yana da rashin amfaninsa:
(a) Wahala a cikin sarrafa tsarin sarrafawa da sarrafa CIE;
(b) Haɗin launi tsakanin sassan CCT daban-daban ba iri ɗaya bane, musamman ga tsarin filin kusa.
Hoto 5 yana kwatanta fitilun MR 16 da aka gina tare da tushen haske na Tsarin 3 (hagu) da Tsarin 1 (dama).Daga cikin hoton, zamu iya samun Tsarin 1 yana da inuwa mai haske a tsakiyar yankin emitting, yayin da hasken wutar lantarki na Tsarin 3 ya fi dacewa.
Aikace-aikace
A tsarinmu ta amfani da Structure 3, akwai zane-zane daban-daban guda biyu don launin haske da daidaita haske.A cikin da'irar tashar tashoshi ɗaya wanda ke da buƙatun direba mai sauƙi, farin kirtani na CSP da kirtani mai shuɗi mai shuɗi suna haɗe a layi daya.Akwai tsayayyen resistorin igiyar CSP.Tare da resistor, an raba halin yanzu na tuƙi tsakanin CSPs da blue chips sakamakon canjin launi da haske. Ana nuna cikakken sakamakon kunnawa a cikin Tebu 1 da Hoto 6. Ƙararren launi na launi na tashoshi guda ɗaya wanda aka nuna a cikin Figure7.CCT yana ƙaruwa yayin da ƙarfin tuƙi.Mun gane halayen daidaitawa guda biyu tare da ɗayan yana kwaikwayon halogen bulb na al'ada da sauran ƙarin kunna layi.Matsakaicin kewayon CCT daga 1800K zuwa 3000K.
Tebur 1.Canjin Flux da CCT tare da tuƙi na yanzu na ShineOn guda ɗaya COB Model 12SA
Fig.7CCT kunna tare da blackbody kwana tare da tuki halin yanzu a cikin guda-channelcircuit sarrafawa COB (7a) da kuma biyu
Halayen daidaitawa tare da hasken dangi dangane da fitilar Halogen (7b)
Sauran zane yana amfani da da'ira mai dual-tashar inda CCT tunable shirya ya fi fadi fiye da guda-channelcircuit.The CSP kirtani da blue jefa-chip kirtani da lantarki raba a kan substrate kuma don haka yana bukatar musamman samar da wutar lantarki.The launi da haske suna kunna ta hanyar. tuƙi da da'irori biyu a so a halin yanzu matakin da rabo.Ana iya kunna shi daga 3000k zuwa 5700Kas wanda aka nuna a cikin Hoto na 8 na ShineOn dual-channel COB model 20DA.Table 2 ya lissafa cikakken sakamakon kunnawa wanda zai iya daidaita yanayin hasken rana daga safiya zuwa maraice.Ta hanyar hada amfani da firikwensin zama da sarrafawa. da'irori, wannan tunable haske sourcehelps ƙara daukan hotuna zuwa blue haske a lokacin da rana da kuma rage daukan hotuna zuwa blue haske a lokacin da dare, inganta jin dadin mutane da aikin mutum, kazalika da smart lighting ayyuka.
Takaitawa
An ƙera Modules LED masu kunnawa ta hanyar haɗawa
fakitin sikelin guntu (CSP) da fasahar guntu akan jirgi (COB).CSP kuma an haɗa guntu mai shuɗi mai shuɗi akan allon COB don cimma babban ƙarfin ƙarfi da daidaiton launi, ana amfani da tsarin tashoshi biyu don cimma fa'idar daidaitawar CCT a aikace-aikace kamar hasken kasuwanci.Ana amfani da tsarin tashoshi ɗaya don cimma aikin dim-zuwa-dumi yana kwaikwayon fitilar halogen a aikace-aikace kamar gida da baƙi.
978-1-5386-4851-3/17/$31.00 02017 IEEE
Yabo
Marubutan suna son amincewa da tallafin daga Babban Bincike da Ci gaba na ƙasa
Shirin Sin (Lamba 2016YFB0403900).Bugu da ƙari, tallafi daga abokan aiki a ShineOn (Beijing)
Technology Co, an kuma yarda da godiya.
Nassoshi
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