Bayanin Fasaha na LED SMD 27-21 Mai Haske Ja - Girman Kunshin - Ƙarfin Wutar Gaba 1.75-2.35V - Ƙarfin Haske 45-112mcd - Takardun Fasaha na Hausa

1. Bayanin Samfur

LED SMD 27-21 na'urar haɗawa ce ta saman da aka tsara don haɗaɗɗun na'urorin lantarki masu yawa. Wannan ɓangaren yana amfani da fasahar guntu ta AlGaInP don samar da launin ja mai haske tare da rufin guringiji mai tsabta. Babban fa'idarsa shine a cikin rage girman ƙafafunsa sosai idan aka kwatanta da LED na tsohuwar nau'in gubar, wanda ke ba da damar ƙirar allon da'ira (PCB) mafi ƙanƙanta, mafi girman yawan abubuwan haɗawa, kuma a ƙarshe ƙananan kayan aiki na mai amfani. Ginin mai sauƙi ya ƙara sa ya dace da aikace-aikace masu ƙanƙanta da na hannu inda nauyi da sarari suke da matuƙar mahimmanci.

1.1 Siffofi na Asali da Bin Ka'idoji

Ana ba da na'urar a kan tef ɗin 8mm da aka nannade akan reels masu diamita 7-inch, wanda ya sa ya dace da daidaitattun kayan aikin haɗawa ta atomatik. An tsara shi don amfani da tsarin gyarawa na reflow na infrared da na tururi, waɗanda suka zama ruwan dare a cikin masana'antar lantarki mai yawa. Samfurin nau'in launi ɗaya ne, musamman ja mai haske. An ƙera shi azaman ɓangaren da ba shi da gubar (lead-free), yana tabbatar da bin ka'idodin muhalli kamar umarnin RoHS na EU (Ƙuntata Abubuwa masu haɗari). Samfurin kuma ya bi ka'idodin EU REACH kuma ya cika ma'aunin da ba shi da halogen, tare da abun ciki na Bromine (Br) da Chlorine (Cl) kowanne ƙasa da 900 ppm kuma jimlar su ƙasa da 1500 ppm.

2. Zurfin Bayanin Fasaha

Wannan sashe yana ba da cikakken bincike na iyakoki da halaye na lantarki, na gani, da na muhalli na LED SMD 27-21. Duk sigogi an ƙayyade su a yanayin zafin yanayi (Ta) na 25°C sai dai idan an faɗi akasin haka.

2.1 Matsakaicin Iyakar Ƙididdiga

Matsakaicin iyakar ƙididdiga yana ayyana iyakokin damuwa waɗanda bayansu lalacewa na dindindin na iya faruwa ga na'urar. Waɗannan ba yanayin aiki ba ne. Matsakaicin ƙarfin wutar baya (VR) da za a iya amfani da shi shine 5V. Ci gaba da gaba na gaba (IF) bai kamata ya wuce 25 mA ba. Don aikin bugun jini, ana ba da izinin kololuwar gaba na gaba (IFP) na 60 mA a ƙarƙashin cikakken aiki na 1/10 a 1 kHz. Matsakaicin ɓarnawar wutar lantarki (Pd) shine 60 mW. Na'urar na iya jure fitar da wutar lantarki (ESD) na 2000V bisa ga ƙirar Jikin Mutum (HBM). Kewayon zafin aiki (Topr) daga -40°C zuwa +85°C ne, kuma kewayon zafin ajiya (Tstg) daga -40°C zuwa +90°C ne. Don gyarawa, matsakaicin zafin reflow shine 260°C na dakika 10, yayin da gyarawar hannu ya kamata a iyakance zuwa 350°C na dakika 3 a kowane tasha.

2.2 Halayen Lantarki da Na Gani

Matsakaicin sigogi na aiki a ƙarƙashin yanayin aiki na yau da kullun an jera su a nan. Tare da gaba na gaba (IF) na 20 mA, ƙarfin haske (Iv) ya bambanta daga mafi ƙarancin 45.0 mcd zuwa matsakaicin 112.0 mcd. Kusurwar kallo (2θ1/2), wanda aka ayyana shi azaman cikakken kusurwa a rabin ƙarfi, yawanci digiri 130 ne, yana nuna tsarin kallo mai faɗi. Tsawon tsayin kololuwa (λp) yawanci 632 nm ne, kuma tsayin tsayin da ya fi rinjaye (λd) ya bambanta daga 617.5 nm zuwa 633.5 nm, yana ayyana launin da ake gani. Faɗin bakan (Δλ) yawanci 20 nm ne. Ƙarfin wutar gaba (VF) a 20 mA ya bambanta daga 1.75V zuwa 2.35V. Ƙarfin wutar baya (IR) shine matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin wutar baya na 5V.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaito a cikin samarwa da aikace-aikace, ana rarraba LED zuwa kwandon shara bisa mahimman sigogi na aiki. Wannan yana ba masu ƙira damar zaɓar abubuwan haɗawa waɗanda suka cika takamaiman buƙatun jurewa don aikace-aikacensu.

3.1 Rarrabuwar Ƙarfin Haske

Ƙarfin haske an rarraba shi zuwa lambobin kwandon shara huɗu (P1, P2, Q1, Q2) da aka auna a IF=20mA. P1 ya ƙunshi 45.0 zuwa 57.0 mcd, P2 daga 57.0 zuwa 72.0 mcd, Q1 daga 72.0 zuwa 90.0 mcd, da Q2 daga 90.0 zuwa 112.0 mcd. Jurewar ƙarfin haske shine ±11%.

3.2 Rarrabuwar Tsayin Tsayin da Ya Fi Rinjaye

Tsawon tsayin da ya fi rinjaye, wanda ke da alaƙa da launi, an rarraba shi zuwa lambobi huɗu (E4, E5, E6, E7). E4 ya bambanta daga 617.5 zuwa 621.5 nm, E5 daga 621.5 zuwa 625.5 nm, E6 daga 625.5 zuwa 629.5 nm, da E7 daga 629.5 zuwa 633.5 nm. Jurewar shine ±1 nm.

3.3 Rarrabuwar Ƙarfin Wutar Gaba

Ƙarfin wutar gaba an rarraba shi zuwa lambobi uku (0, 1, 2). Kwandon shara 0 ya ƙunshi 1.75V zuwa 1.95V, Kwandon shara 1 daga 1.95V zuwa 2.15V, da Kwandon shara 2 daga 2.15V zuwa 2.35V, duk an auna su a IF=20mA. Jurewar shine ±0.1V.

4. Binciken Lanƙwasa Aiki

Yayin da takamaiman bayanan hoto aka ambata a cikin takardar bayanin, matsakaicin lanƙwasa aiki don irin wannan LED zai kwatanta dangantakar tsakanin gaba na gaba da ƙarfin haske, ƙarfin wutar gaba da zafin jiki, da rarraba ƙarfin bakan. Waɗannan lanƙwasa suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba, kamar nauyin tuƙi daban-daban ko yanayin zafin yanayi. Masu ƙira suna amfani da waɗannan don hasashen fitarwa mai haske, amfani da wutar lantarki, da canjin launi a cikin kewayon aiki.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

LED SMD 27-21 yana da ƙaramin kunshin haɗawa na saman. Zanen girma yana ba da mahimman ma'auni ciki har da tsayin gabaɗaya, faɗi, da tsayi, da kuma sanyawa da girman kafafun gyarawa. Ana gano cathode ta hanyar alama ko kusurwar da aka yanka a kan kunshin. Duk ma'auni suna da matsakaicin jurewar ±0.1 mm sai dai idan an ƙayyade akan zanen. Bin waɗannan ma'auni daidai yana da mahimmanci don nasarar ƙirar ƙafar PCB da haɗawa ta atomatik.

6. Jagororin Gyarawa da Haɗawa

Kula da gyarawa daidai yana da mahimmanci don kiyaye amincin na'urar da aiki.

6.1 Ajiya da Hancin Danshi

Ana kunna LED a cikin jakunkuna masu hana danshi tare da busasshiyar abu. Jakar da ba a buɗe ba yakamata a adana a 30°C ko ƙasa da kuma 90% danshi na dangi (RH) ko ƙasa da haka. Da zarar an buɗe, abubuwan haɗawa suna da rayuwar bene na shekara 1 a ƙarƙashin yanayin 30°C/60% RH ko ƙasa da haka. Sassa da ba a yi amfani da su ba yakamata a sake rufe su a cikin kunshin da ba shi da danshi. Idan mai nuna alamar busasshiyar abu ya nuna ɗaukar danshi ko kuma an wuce lokacin ajiya, ana buƙatar maganin gasa a 60 ±5°C na awanni 24 kafin gyarawar reflow.

6.2 Bayanin Yanayin Gyarawar Reflow

Don gyarawa mara gubar, dole ne a bi takamaiman bayanin zafin jiki: dumama kafin tsakanin 150-200°C na dakika 60-120, lokacin da ya wuce ruwa (217°C) na dakika 60-150, matsakaicin zafin jiki bai wuce 260°C ba wanda aka riƙe na matsakaicin dakika 10, da sarrafa haɓakawa da ƙimar sanyaya (matsakaicin 6°C/sec da 3°C/sec, bi da bi). Gyarawar reflow bai kamata a yi fiye da sau biyu akan ɓangaren ɗaya ba.

6.3 Gyarawar Hannu da Gyara

Idan gyarawar hannu ya zama dole, dole ne zafin ƙarshen guntun gyarawa ya kasance ƙasa da 350°C, ana amfani da shi ba fiye da dakika 3 a kowane tasha ba. Guntun ƙarfe yakamata ya kasance yana da ƙarfin ƙasa da 25W, kuma yakamata a bar tazara mafi ƙanƙanta na dakika 2 tsakanin gyarawa kowane tasha. Ana ƙin gyara bayan gyarawa na farko sosai. Idan babu makawa, dole ne a yi amfani da guntun gyarawa mai kai biyu don dumama tashoshi biyu lokaci ɗaya kuma a guji damuwa na injiniya. Dole ne a tantance yuwuwar lalacewa a baya.

7. Bayanin Kunshi da Oda

Ana ba da samfurin a cikin tef ɗin mai ɗaukar kaya akan reels. Kowace reel tana ɗauke da guda 3000. Kunshin ya haɗa da jakar aluminum mai hana danshi tare da busasshiyar abu da lakabi. Lakabin ya ƙunshi mahimman bayanai: Lambar Samfurin Abokin Ciniki (CPN), Lambar Samfur (P/N), Yawan Tattarawa (QTY), Matsayin Ƙarfin Haske (CAT), Ma'auni na Launi & Matsayin Tsayin Tsayin da Ya Fi Rinjaye (HUE), Matsayin Ƙarfin Wutar Gaba (REF), da Lambar Lot (LOT No). An ba da cikakkun zane-zane don girman reel da tef ɗin mai ɗaukar kaya, tare da matsakaicin jurewar ±0.1 mm.

8. Shawarwari na Aikace-aikace da Abubuwan Ƙira

8.1 Yanayin Aikace-aikace na Yau da Kullun

LED SMD 27-21 ya dace da aikace-aikacen hasken baya a cikin dashbodin motoci da maɓalli. A cikin sadarwa, zai iya zama mai nuna alama ko hasken baya a cikin wayoyi da na'urorin faks. Hakanan yana dacewa don hasken baya mai lebur a bayan LCD, maɓalli, da alamomi, da kuma don amfani da mai nuna alama gabaɗaya.

8.2 Muhimman Abubuwan Ƙira

Iyakancewar Halin Yanzu:Resistan mai iyakancewa na waje wajibi ne. LED na'urori ne masu tuƙi na halin yanzu, kuma ƙaramin canji a cikin ƙarfin wutar gaba zai iya haifar da babban canji a cikin halin yanzu, wanda zai iya haifar da ƙonewa nan da nan. Dole ne a ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki, ƙarfin wutar gaba na LED (ta amfani da matsakaicin ƙimar daga takardar bayanin don aminci), da halin yanzu na aiki da ake so (ba ya wuce 25 mA ci gaba).



Gudanar da Zafi:Ko da yake ɓarnawar wutar lantarki ƙanƙanta ce, tabbatar da isasshen yanki na tagulla na PCB ko ramukan zafi na iya taimakawa wajen kiyaye ƙananan zafin jiki, musamman a cikin yanayin zafin yanayi mai girma, wanda ke haɓaka tsawon rayuwa da kwanciyar hankali na fitarwa.



Kariya ta ESD:Yayin da na'urar ke da ƙimar HBM na 2000V, aiwatar da ainihin kariya ta ESD akan layukan da ke da hankali a cikin da'ira ana ɗaukar shi a matsayin kyakkyawan aikin ƙira, musamman yayin sarrafawa da haɗawa.

9. Ƙuntatawa na Aikace-aikace da Bayanin Keɓancewa

Wannan samfurin an yi niyya ne don aikace-aikacen lantarki gabaɗaya. Ba a tsara shi ko cancanta don aikace-aikace masu dogaro sosai inda gazawar zai iya haifar da rauni ga mutum, babban lalacewar dukiya, ko cutar da muhalli ba. Wannan ya haɗa da, amma bai iyakance ga, tsarin soja da na sararin samaniya, tsarin aminci da tsaro na motoci (misali, jakunkunan iska, birki), da kayan aikin kiwon lafiya masu tallafawa rayuwa. Don irin waɗannan aikace-aikace, ana buƙatar abubuwan haɗawa tare da ƙayyadaddun ƙayyadaddun bayanai, cancanta, da tabbacin dogaro. Tabbacin aikin da aka zayyana a cikin wannan takardar bayanin yana aiki ne kawai lokacin da aka yi amfani da na'urar a cikin ƙayyadaddun matsakaicin iyakar ƙididdiga da kuma yanayin aiki da aka ba da shawarar. Mai kera yana da hakkin daidaita kayan samfur. Lokacin garanti na samfurin shine watanni goma sha biyu (12) daga ranar jigilar kaya. Hotuna da ƙimar yau da kullun don tunani ne kawai kuma ba sa wakiltar tabbataccen mafi ƙanƙanta ko matsakaicin iyakokin aiki.