SMD LED Orange AlInGaP 120° Kallon Kallo - Halayen Lantarki da Na'urar Gani - Takardun Fasaha na Turanci

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun ƙayyadaddun bayanan fasaha na na'urar hawa-sama (SMD) Light Emitting Diode (LED) ta amfani da kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) don samar da fitowar haske mai launin lemu. An ƙera na'urar a cikin ƙaƙƙarfan fakitin da ya dace da tsarin haɗa allon da'ira (PCB) na atomatik, gami da gudanar da gudanar da infrared. Babban aikinsa shine zama mai aminci kuma mai inganci mai nuni ko tushen haske a cikin aikace-aikacen lantarki masu ƙarancin sarari.

1.1 Fa'idodi na Asali da Kasuwar Manufa

LED yana ba da fa'idodi masu mahimmanci ga masana'antar lantarki na zamani. Girman sa na ƙanƙanta yana ba da damar tsarin PCB mai yawa, yana ƙara amfani da sararin allon. Dacewa da kayan aikin ɗauka da sanya atomatik da madaidaicin bayanan infrared yana sauƙaƙe tsarin haɗawa, yana rage lokacin samarwa da farashi. Na'urar kuma tana bin ƙa'idodin muhalli masu dacewa. Waɗannan fasalulluka sun sa ya dace da aikace-aikace masu yawa ciki har da, amma ba'a iyakance su ba, alamun yanayi da hasken baya a cikin kayan aikin sadarwa, na'urori na sarrafa ofis, na'urorin gida, allunan sarrafa masana'antu, da kayan lantarki na mabukaci inda ake buƙatar nuni na gani.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

Wannan sashe yana ƙididdige iyakokin aiki masu mahimmanci da halayen aiki na LED, yana ba da mahimman bayanai don ƙirar da'ira da kimanta amincin aiki.

2.1 Madaidaicin Iyakar Ƙima

Waɗannan ƙima suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Ba a tabbatar da aiki a ƙarƙashin ko a waɗannan iyakokin ba. Ma'auni masu mahimmanci sun haɗa da: matsakaicin ci gaba na yanzu (I_F) na 30 mA, matsakaicin gudun gaba na 80 mA (a ƙarƙashin yanayin bugun jini tare da aikin 1/10 da faɗin bugun 0.1 ms), matsakaicin ƙarfin baya (V_R) na 5 V, da matsakaicin ɓarnawar wutar lantarki na 72 mW. An ƙididdige na'urar don aiki a cikin kewayon zafin yanayi (T_a) na -40°C zuwa +85°C kuma ana iya adana shi a cikin yanayin zafi daga -40°C zuwa +100°C.

2.2 Halayen Lantarki da Na'urar Gani

Waɗannan su ne madaidaicin ma'auni na aiki da aka auna a ƙarƙashin daidaitattun yanayin gwaji (T_a=25°C, I_F=20mA). Ana siffanta fitowar gani ta hanyar ƙarfin haske (Φ_v) wanda ya kai daga 0.42 zuwa 1.35 lumens (lm), wanda yayi daidai da ƙarfin haske (I_v) tsakanin 140 da 450 millicandelas (mcd). Rarraba hasken yana da faɗi sosai, tare da matsakaicin kusurwar kallo (2θ_1/2) na digiri 120. A fuskar lantarki, ƙarfin gaba (V_F) yakan faɗo tsakanin 1.8 da 2.4 volts. Ana ayyana launi ta hanyar tsayin zango (λ_d) a cikin kewayon 600 zuwa 612 nanometers (nm), yana sanya shi cikin tsarin launin lemu, tare da matsakaicin rabin faɗin zango (Δλ) kusan 17 nm. Juyin baya (I_R) yakan yi ƙasa sosai, tare da matsakaicin 10 μA a cikakken 5 V na juyin baya.

3. Bayanin Tsarin Binning

Don tabbatar da daidaito a cikin samarwa da aikace-aikace, ana rarraba LED zuwa kwandon aiki. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka dace da takamaiman buƙatu don ƙarfin lantarki, haske, da launi.

3.1 Ƙarfin Gaba (V_F) Binning

Ana rarraba LED zuwa kwandon ƙarfin lantarki guda uku (D2, D3, D4) dangane da faɗuwar ƙarfin gaba a 20 mA. Misali, kwandon D2 ya haɗa da LED tare da V_Ftsakanin 1.8V da 2.0V, yayin da kwandon D4 ya haɗa da waɗanda daga 2.2V zuwa 2.4V. Kowane kwandon yana da jurewar ±0.1V. Zaɓin takamaiman kwandon zai iya taimakawa wajen ƙirar da'irorin wutar lantarki masu hasashe, musamman a cikin na'urorin da ake amfani da baturi.

3.2 Binning na Ƙarfin Hasken Gani/Ƙarfi

Ana sanya fitowar gani zuwa rukuni biyar (C2, D1, D2, E1, E2), kowanne yana ayyana mafi ƙarancin ƙarfin haske da matsakaicinsa da kuma ma'anar ƙarfin haske. Misali, kwandon C2 ya ƙunshi kewayon ƙarfin haske na 0.42 zuwa 0.54 lm (140-180 mcd), yayin da kwandon E2 ya ƙunshi 1.07 zuwa 1.35 lm (355-450 mcd). Jurewar kowane kwandon ƙarfi shine ±11%. Wannan binning yana da mahimmanci ga aikace-aikacen da ke buƙatar daidaiton haske a cikin alamomi da yawa.

3.3 Hue (Tsayin Zango) Binning

Ana sarrafa launin launi ta hanyar rarraba tsayin zango zuwa ƙungiyoyi huɗu: P (600.0-603.0 nm), Q (603.0-606.0 nm), R (606.0-609.0 nm), da S (609.0-612.0 nm). Jurewar kowane kwandon shine ±1 nm. Wannan sarrafa daidai yana tabbatar da daidaiton launi, wanda yake da mahimmanci ga aikace-aikacen da ke da mahimmanci na lambobin launi ko takamaiman buƙatun kyan gani.

4. Binciken Lanƙwasa Aiki

Hoton hoto na halayen na'urar yana ba da zurfin fahimta game da aiki a ƙarƙashin yanayi daban-daban, fiye da bayanan baki ɗaya a cikin tebur.

4.1 Halin Yanzu da Ƙarfin Lantarki (I-V) da Fitowar Gani

Madaidaicin lanƙwasa I-V yana nuna alaƙar da ba ta dace ba tsakanin halin yanzu na gaba da ƙarfin gaba. Da farko, ƙaramin halin yanzu yana gudana har sai ƙarfin gaba ya kai bakin kofa na diode (kusan 1.8V ga wannan na'urar). Bayan wannan batu, halin yanzu yana ƙaruwa da ƙaramin ƙaruwa a cikin ƙarfin lantarki. Wannan lanƙwasa yana da mahimmanci don ƙirar da'irar iyakance halin yanzu. Lanƙwasa masu rakiya yawanci suna nuna yadda ƙarfin haske ko ƙarfin haske ke ƙaruwa tare da halin yanzu na gaba, yana nuna ingancin na'urar a cikin kewayon aikinta.

4.2 Dogaro da Zazzabi

Aikin LED yana shafar zazzabi sosai. Madaidaicin lanƙwasa suna nuna alaƙar da ke tsakanin ƙarfin gaba da zafin haɗin gwiwa, inda V_Fyana raguwa da layi tare da ƙaruwar zazzabi (ma'auni mara kyau na zafin jiki). Mafi mahimmanci, lanƙwasa da ke nuna ƙarfin haske da zafin yanayi suna nuna raguwar fitowar haske yayin da zazzabi ya tashi. Fahimtar wannan raguwa shine tushe ga aikace-aikacen da ke aiki a cikin yanayin zafi don tabbatar da isasshen haske.

4.3 Rarraba Zango

Lanƙwasa rarraba ƙarfin zango yana jera ƙarfin haske dangane da tsayin zango. Ga wannan AlInGaP LED orange, lanƙwasa zai nuna kololuwa a tsayin zango na fitarwa (λ_P, yawanci 611 nm) da kuma kunkuntar bandwidth, wanda aka ayyana ta rabin faɗin 17 nm. Wannan lanƙwasa yana tabbatar da tsaftar launi kuma ana amfani dashi don ƙididdige tsayin zango da daidaitawar launi.

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin da Gano Polarity

LED yana cikin daidaitaccen fakitin SMD. Zanen girman yana ba da duk mahimman ma'auni ciki har da tsayi, faɗi, tsayi, da sanya filayen gudanarwa. Ana gano cathode (tashar mara kyau) ta hanyar alamar gani akan fakitin, kamar tsaga, ɗigo, ko alama mai kore, wanda dole ne a daidaita shi daidai da alamar da ta dace akan sawun PCB don tabbatar da aikin da ya dace.

5.2 Shawarar Ƙirar Filin Haɗin PCB

An ba da zanen tsarin ƙasa don jagorantar shimfidar PCB. Wannan tsarin yana nuna girman da aka ba da shawarar, siffa, da tazara na filayen tagulla akan PCB. Bin wannan ƙira yana tabbatar da samuwar haɗin gudanarwa mai aminci yayin sake kwarara, daidaitaccen kwanciyar hankali na injiniya, da mafi kyawun zubar da zafi daga mutuwar LED ta cikin filaye zuwa PCB.

6. Jagororin Gudanarwa da Haɗawa

6.1 Ma'auni na Gudanar da Sake Kwarara

Na'urar tana dacewa da hanyoyin gudanar da infrared (IR) marasa gubar. An ba da shawarar bayanin yanayin zafi mai cikakken bayani, wanda ya dace da ƙa'idodi kamar J-STD-020. Ma'auni masu mahimmanci sun haɗa da matakin preheat (yawanci 150-200°C har zuwa dakika 120), ƙaƙƙarfan hawan zuwa matsakaicin zafin da bai wuce 260°C ba, da lokacin da ya wuce ruwa (TAL) wanda ya isa don samar da haɗin gudanarwa mai kyau. Ya kamata a iyakance jimlar lokacin a matsakaicin zafin jiki, kuma a yi sake kwarara sau ɗaya kawai don rage damuwar zafi akan kayan.

6.2 Yanayin Tsaftacewa da Ajiya

Idan ana buƙatar tsaftacewa bayan gudanarwa, kawai ya kamata a yi amfani da takamaiman kaushi na barasa kamar isopropyl alcohol (IPA) ko ethyl alcohol. Sinadarai da ba a bayyana ba na iya lalata fakitin LED. Don ajiya, jakunkuna masu laushi da ba a buɗe ba ya kamata a ajiye su a ≤30°C da ≤70% Yanayin Yanayi (RH). Da zarar an buɗe jakar, ya kamata a ajiye abubuwan a ≤30°C da ≤60% RH kuma ana ba da shawarar a sarrafa su cikin sa'o'i 168 (JEDEC Mataki 3). Abubuwan da aka ajiye fiye da wannan lokacin na iya buƙatar hanyar gasa (misali, 60°C na awanni 48) kafin gudanarwa don cire ɗanɗano da hana \"popcorning\" yayin sake kwarara.

7. Bayanin Fakitin da Oda

Ana ba da LED a cikin tsarin tef da reel wanda ya dace da kayan haɗawa na atomatik. Tef ɗin yana da faɗin mm 12 kuma an nannade shi akan daidaitaccen diamita na inci 7 (178 mm). Kowane reel yana ɗauke da guda 3000. Fakitin ya dace da ƙayyadaddun ANSI/EIA-481, yana tabbatar da ciyarwa mai aminci a cikin injinan sanyawa. Tef ɗin yana da murfi don kare abubuwan, kuma takamaiman dokoki suna sarrafa matsakaicin adadin abubuwan da suka ɓace a cikin reel.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da nuni na yanayi (kunna/kashe wutar lantarki, zaɓin yanayi, ayyukan cibiyar sadarwa), hasken baya don allon gaba ko maɓallan membrane, da hasken alama a cikin yanayin hasken yanayi mai ƙasa zuwa matsakaici. Faɗin kallon sa yana sa ya yi tasiri ga alamomin da ake buƙatar gani daga kusurwoyi daban-daban.

8.2 Abubuwan Ƙira

Lokacin haɗa wannan LED, dole ne masu ƙira su haɗa da resistor mai iyakance halin yanzu a cikin jerin tare da LED don hana wuce matsakaicin halin yanzu na gaba. Ana ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Amfani da matsakaicin V_Fdaga takardun bayanai yana tabbatar da cewa halin yanzu bai wuce ƙimar da ake so ba ko da tare da bambancin sassa. Don aikace-aikacen da ke buƙatar daidaitaccen haske, yi la'akari da tuƙi LED tare da tushen halin yanzu maimakon ƙarfin lantarki mai ƙarfi. Ya kamata kuma a yi la'akari da sarrafa zafin jiki idan ana son aiki da LED a cikin halin yanzu mai girma ko a cikin yanayin zafi mai girma, saboda zafi mai yawa yana rage fitowar haske da tsawon rayuwa.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar Gallium Phosphide (GaP) LED ja/lemu, wannan na'urar AlInGaP tana ba da inganci mai haske sosai, yana haifar da fitarwa mai haske a cikin halin yanzu guda ɗaya. Faɗin kallon sa na digiri 120 shine babban bambanci daga LED masu kunkuntar kusurwa, yana sa ya fi dacewa da aikace-aikacen da wurin kallo ba a kafa shi kai tsaye a gaban na'urar ba. Daidaitaccen fakitin SMD da dacewa da gudanar da sake kwarara suna ba da fa'idodi fiye da LED ta hanyar rami dangane da saurin haɗawa, farashi, da ceton sararin allon.

10. Tambayoyin da ake yawan yi dangane da Ma'auni na Fasaha

Q: Wane resistor nake buƙata don wadata 5V da halin yanzu 20mA?

A: Amfani da matsakaicin V_Fna 2.4V don aminci: R = (5V - 2.4V) / 0.020A = 130 Ohms. Daidaitaccen resistor 130Ω ko 150Ω zai dace.

Q: Zan iya tuƙi wannan LED tare da 3.3V?

A: Ee. Ƙarfin gaba (1.8-2.4V) yana ƙasa da 3.3V. Har yanzu ana buƙatar resistor mai iyakance halin yanzu: R ≈ (3.3V - 2.2V_typ) / 0.020A ≈ 55 Ohms.

Q: Me ya sa ake ba da ƙarfin haske azaman kewayon tare da kwandon?

A> Saboda bambance-bambancen da ke cikin masana'antar semiconductor, fitowar haske ya bambanta. Binning yana rarraba LED zuwa ƙungiyoyi masu daidaito, yana ba masu ƙira damar zaɓar matakin haske wanda ya dace da aikace-aikacensu kuma su tabbatar da daidaito idan ana amfani da LED da yawa.

Q: Ana buƙatar sinkon zafi?

A> Don aiki a matsakaicin halin yanzu na ci gaba (30mA) kuma a cikin ƙayyadaddun kewayon zafin jiki, yawanci ba a buƙatar takamaiman sinkon zafi don LED guda ɗaya. Duk da haka, ƙirar zafin jiki ya zama mahimmanci don jerin LED ko aiki a cikin yanayin zafi mai girma.

10. Ƙirar Aiki da Amfani da Shawara

Harka: Ƙirar Allon Yanayi Mai Nuni Da Yawa

Mai ƙira yana ƙirƙira allon sarrafawa tare da LED na yanayi na lemu huɗu. Don tabbatar da kamanni iri ɗaya, suna ƙayyade LED daga kwandon ƙarfin haske iri ɗaya (misali, E1) da kwandon hue iri ɗaya (misali, R). Sun ƙera PCB ta amfani da shawarar tsarin ƙasa. Da'irar tana amfani da layin dogo na 5V. Don tuƙi kowane LED a kusan 20mA, suna ƙididdige ƙimar resistor ta amfani da matsakaicin V_Fdaga zaɓaɓɓen kwandon ƙarfin lantarki (misali, D3: 2.2V matsakaici). R = (5V - 2.2V) / 0.020A = 140Ω. Suna amfani da 140Ω, resistors 1% jurewa don daidaito. Yayin haɗawa, suna bin bayanin sake kwarara da aka bayar. Wannan hanya ta haifar da allon tare da alamomi huɗu waɗanda ke da haske kuma iri ɗaya a launi.

11. Gabatarwar Ka'ida

Wannan LED ya dogara ne akan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP). Lokacin da aka yi amfani da ƙarfin gaba a kan haɗin p-n, ana shigar da electrons da ramuka zuwa yanki mai aiki. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap na semiconductor, wanda kai tsaye yana ƙayyade tsayin zango (launi) na hasken da aka fitar—a wannan yanayin, lemu. Ruwan ruwa na epoxy wanda ke rufe mutuwar semiconductor yana da tsafta, yana ba da damar ganin ainihin launin hasken, kuma an siffata shi don cimma ƙayyadaddun kusurwar kallo na digiri 120.

12. Trends na Ci Gaba

Babban yanayin a cikin LED na nuni kamar wannan yana ci gaba zuwa mafi inganci (ƙarin lumens kowace watt), yana ba da damar fitarwa mai haske a ƙananan halin yanzu don inganta ingancin makamashi. Akwai kuma tuƙi don ƙananan girman fakitin don ba da damar ƙarin ƙananan lantarki. Duk da yake ba shine babban abin da ke cikin irin waɗannan na'urori ba, ana iya inganta launi da jikewa. Ana ci gaba da inganta hanyoyin masana'antu don mafi girman yawan amfanin ƙasa da ƙaramin rarraba aiki, yana rage yaduwa a cikin kwandon kuma yana iya ƙara yawan matakan kwandon da ake samu don zaɓin takamaiman aikace-aikace. Tabbacin bin ƙa'idodin muhalli da aminci masu tasowa ya kasance akai.