Takardar Bayani na Fitilar LED LTLMH4YRADA - Girman 4.2x4.2x2.0mm - Ƙarfin Wutar Lantarki 1.8-2.4V - Raɗa 590nm - Ƙarfin Wutar Lantarki 120mW - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfurin

LTLMH4YRADA fitilar LED ce mai hawa a saman, mai ƙarfin haske, wadda aka ƙera don haɗa kayan lantarki na zamani. Tana amfani da kayan rufi mai raɗa tare da guntun AllnGaP wanda ke fitar da haske a tsayin raɗa mafi girma na 590nm. An ƙera wannan na'urar don ba da ƙarfin haske mai ƙarfi yayin da take kiyaye ƙarancin amfani da wutar lantarki, wanda ya sa ta zama zaɓi mai inganci don aikace-aikacen haske. Babban manufar ƙirarta ta ta'allaka ne akan dacewa da tsarin haɗa kayan lantarki na zamani (SMT), wanda ke ba da damar haɗa su cikin sauƙi a cikin layukan samarwa ta atomatik ta amfani da tsarin haɗa ta hanyar zafi (reflow soldering) na masana'antu. An gina kayan rufin da kayan epoxy na ci gaba waɗanda ke ba da kariya mai kyau daga ɗanɗano da hasken UV, wanda ke ƙara ƙarfinsa da tsawon rayuwa a cikin yanayi masu wahala.

Babban fa'idodin wannan LED sun haɗa da ƙarfin haske mai ƙarfi, wanda ke ba da damar samun alamun gani masu haske da tsabta, da kuma tsarin fitar da haske da aka ƙera musamman. Fitilar tana da kusurwar kallo ta yau da kullun na 100/40°, tana ba da haske mai iyakancewa, mara faɗi ba tare da buƙatar ƙarin na'urori na gani na biyu ba. Wannan siffa tana da amfani musamman ga aikace-aikacen da ke buƙatar haske mai jagora ko bambancewar gani mai kaifi. Bugu da ƙari, samfurin ya cika ka'idojin muhalli, ba shi da gubar, ba shi da halogen, kuma ya bin ka'idojin RoHS, yana daidaitawa da shirye-shiryen dorewa na duniya.

Kasuwarmar da aka yi niyya don wannan ɓangaren tana da faɗi, tana haɗa da sassan kasuwanci da na masana'antu. Babban aikace-aikacensa ana samunsa a wuraren da ake buƙatar alamun gani masu dogaro da haske, kamar alamun saƙo na cikin gida da na waje, nunin saƙon bidiyo, da kuma nau'ikan alamomin zirga-zirga daban-daban. Haɗin ginin sa mai ƙarfi, aikin gani, da sauƙin haɗawa sun sa ya zama mafita mai fa'ida ga masu ƙira da injiniyoyi.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsayin Ƙarfafawa

Fahimtar matsakaicin matakan ƙarfafawa yana da mahimmanci don tabbatar da dogaron na'urar da hana lalacewa da wuri. LTLMH4YRADA tana da matsakaicin ƙarfin wutar lantarki na 120mW a yanayin zafin jiki (TA) na 25°C. Matsakaicin ƙarfin lantarki na DC yana da ƙimar 50mA, yayin da matsakaicin ƙarfin lantarki mafi girma na 120mA ya halatta a ƙarƙashin yanayin bugun jini (duty cycle ≤ 1/10, faɗin bugun jini ≤ 10ms). Babban siga don sarrafa zafi shine ƙimar rage ƙarfi; dole ne a rage matsakaicin ƙarfin lantarki ta hanyar layi da 0.75 mA ga kowane digiri Celsius da yanayin zafi ya tashi sama da 45°C. An ƙididdige na'urar don aiki a cikin kewayon zafin jiki na -40°C zuwa +85°C kuma ana iya adana ta tsakanin -40°C zuwa +100°C. Mahimmanci, tana iya jurewa haɗa ta hanyar zafi (reflow soldering) a matsakaicin zafin jiki na 260°C na matsakaicin dakika 10, wanda shine ma'auni don hanyoyin haɗa maras gubar.

2.2 Halaye na Lantarki da na Gani

Ana ayyana aikin LED a ƙarƙashin daidaitattun yanayin gwaji a TA=25°C. Ƙarfin haske (Iv) yana kewayo daga mafi ƙarancin 1500 mcd zuwa matsakaicin 4200 mcd a ƙarfin lantarki na gaba (IF) na 20mA. Yana da mahimmanci a lura cewa garanti na Iv ya haɗa da juzu'in gwaji na ±15%. Tabbacin tsayin raɗa (λd) yana tsakanin 584.5 nm da 594.5 nm, yana rarrabe shi cikin tsari a cikin bakan raɗa, tare da matsakaicin tsayin raɗa na yau da kullun (λP) na 594 nm. Ramin rabin bakan (Δλ) yawanci 15 nm ne, yana nuna fitar da launi mai tsafta. Ƙarfin wutar lantarki na gaba (VF) a 20mA yana kewayo daga 1.8V zuwa 2.4V, wanda shine siga mai mahimmanci don ƙirar da'irar tuƙi. An ƙayyade ƙarfin lantarki na baya (IR) a matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V, ko da yake ba a ƙera na'urar don aiki a cikin ƙarfin lantarki na baya ba.

3. Tabbacin Tsarin Rarrabawa

Don tabbatar da daidaito a aikace, ana rarraba LEDs zuwa kwandon aiki bisa mahimman sigogi na aiki. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatunsu na haske, launi, da ƙarfin wutar lantarki.

3.1 Rarrabawar Ƙarfin Haske

Ana rarraba ƙarfin haske zuwa kwandon aiki huɗu (R, S, T, U) lokacin da aka auna shi a IF=20mA. Kowane kwandon aiki yana da ƙayyadaddun ƙimar ƙima da matsakaici: R (1500-1900 mcd), S (1900-2500 mcd), T (2500-3200 mcd), da U (3200-4200 mcd). Juzu'i na ±15% ya shafi kowane iyaka na kwandon aiki.

3.2 Rarrabawar Tsayin Raɗa

Ana sarrafa daidaiton launi ta hanyar rarrabawar tsayin raɗa. An ayyana kwandon aiki huɗu (Y1, Y2, Y3, Y4): Y1 (584.5-587.0 nm), Y2 (587.5-589.5 nm), Y3 (589.5-592.0 nm), da Y4 (592.0-594.5 nm). Juzu'in kowane iyaka na kwandon aiki shine ±1 nm.

3.3 Rarrabawar Ƙarfin Wutar Lantarki na Gaba

Ana rarraba ƙarfin wutar lantarki na gaba don taimakawa daidaita ƙarfin lantarki na LEDs da aka haɗa a layi daya. An ƙayyade kwandon aiki uku (1A, 2A, 3A) a IF=20mA: 1A (1.8-2.0V), 2A (2.0-2.2V), da 3A (2.2-2.4V). Juzu'in kowane iyaka na kwandon aiki shine ±0.1V.

4. Bincike na Lanƙwasa Aiki

Yayin da PDF ke nuna cewa akwai lanƙwasa halaye na yau da kullun, an ambaci takamaiman bayanan hoto don lanƙwasa IV, dogaro da zafin jiki, da rarraba bakan amma ba a cikakken bayani a cikin rubutun da aka bayar ba. Waɗannan lanƙwasa suna da mahimmanci ga injiniyoyin ƙira. Yawanci, za su nuna alaƙa tsakanin ƙarfin lantarki na gaba da ƙarfin haske, suna nuna yadda fitarwa ke ƙaruwa tare da ƙarfin lantarki kafin yuwuwar jikewa ko raguwar inganci. Lanƙwasa halayen zafin jiki za su nuna raguwar ƙarfin haske da canjin ƙarfin wutar lantarki na gaba yayin da zafin haɗin gwiwa ya tashi. Lanƙwasa rarraba bakan zai tabbatar da tsayin raɗa mafi girma da rabin faɗin bakan a zahiri, yana ba da haske game da tsaftar launi. Masu ƙira ya kamata su tuntubi cikakken takardar bayani don waɗannan zane-zane don inganta sarrafa zafi, tuƙi na yanzu, da ƙirar tsarin gani.

5. Bayanin Injiniya da Kunshin

5.1 Girman Bayyanawa

LED tana da ƙaramin kunshin hawa a saman. Mahimman girma sun haɗa da girman jiki na 4.2mm ±0.2mm a tsayi da faɗi, tare da jimillar tsayi na 2.0mm ±0.5mm. Igwa suna fitowa daga kunshin, kuma ana auna tazarar igwa a wurin da suka fito. Wani siffa na injiniya da aka lura shi ne yuwuwar resin mai tsayi a ƙarƙashin flange, tare da matsakaicin tsayi na 1.0mm. Duk girma ana bayar da su a cikin milimita, tare da juzu'i na gabaɗaya na ±0.25mm sai dai idan an ƙayyade.

5.2 Ƙirar Tandu da Gano Polarity

An ba da tsarin tandu na haɗa da aka ba da shawarar don tabbatar da ingantaccen haɗin lantarki da aikin zafi. Na'urar tana da tandu uku: P1 (Anode), P2 (Cathode), da P3 (Anode). Yana da mahimmanci a lura cewa an ba da shawarar musamman don haɗa tandu P3 zuwa ma'aunin zafi ko wasu hanyoyin sanyaya a cikin ƙirar PCB. Wannan tandu yana da mahimmanci don rarraba zafin da aka samar yayin aiki, don haka inganta dogaro da kuma kiyaye aikin gani. Daidaitaccen jagorar polarity yayin sanyawa yana da mahimmanci don hana lalacewar na'urar.

6. Jagororin Haɗawa da Haɗawa

6.1 Ajiya da Hankan ɗanɗano

An rarraba wannan ɓangaren a matsayin Matakin Hankali na ɗanɗano 3 (MSL3) bisa JEDEC J-STD-020. LEDs a cikin jakar shinge na ɗanɗano da ba a buɗe ba ana iya adana su har zuwa watanni 12 a <30°C da 90% RH. Bayan buɗe jakar, dole ne a kiyaye abubuwan a cikin yanayi na <30°C da <60% RH, kuma dole ne a kammala duk haɗa ta hanyar zafi a cikin sa'o'i 168 (kwanaki 7). Idan katin nuna ɗanɗano ya nuna >10% RH, rayuwar bene ya wuce sa'o'i 168, ko kuma sassan sun fallasa zuwa >30°C da 60% RH, ana buƙatar gasa. Sharaɗin gasa da aka ba da shawarar shine 60°C ±5°C na sa'o'i 20, kuma wannan ya kamata a yi sau ɗaya kawai don guje wa lalata kunshin.

6.2 Bayanin Haɗa ta Hanyar Zafi (Reflow Soldering Profile)

An ba da shawarar bayanin haɗa ta hanyar zafi maras gubar. Mahimman sigogi sun haɗa da: matakin dumama/jiƙa tsakanin 150°C da 200°C na matsakaicin dakika 120, lokacin da ya wuce ruwa (217°C) tsakanin 60 zuwa 150 dakika, matsakaicin zafin jiki (Tp) na 260°C, da lokacin cikin 5°C na ƙayyadaddun zafin jiki na rarrabuwa (255°C) na dakika 30 matsakaici. Jimillar lokaci daga 25°C zuwa matsakaicin zafin jiki bai kamata ya wuce mintuna 5 ba. An ba da shawarar sosai cewa kada a yi haɗa ta hanyar zafi fiye da sau biyu, kuma haɗa ta hannu ba fiye da sau ɗaya ba. Ya kamata a guji sanyaya cikin sauri daga matsakaicin zafin jiki, kuma kada a yi amfani da damuwa na waje ga LED yayin da yake da zafi mai yawa.

6.3 Tsaftacewa da Sarrafawa

Idan tsaftacewa ya zama dole bayan haɗawa, kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol. Na'urar tana da hankali ga fitar da wutar lantarki (ESD), don haka dole ne a bi hanyoyin sarrafa ESD masu aminci a duk matakan haɗawa da shigarwa.

7. Bayanin Kunshin da Oda

Ana ba da LEDs akan tef ɗin ɗaukar hoto don sanyawa ta atomatik. An ƙayyade girman tef ɗin, tare da aljihu da aka ƙera don riƙe jikin 4.2mm x 4.2mm cikin aminci. Ana jujjuya tef ɗin akan reel na 13-inch (330mm) na yau da kullun. Kowane cikakken reel yana ɗauke da jimillar guda 1,000. An yiwa reel lakabin sanarwar taka tsantsan da ta dace, gami da "Na'urori Masu Hankali na Wutar Lantarki" da "Ana Bukatar Sarrafa Lafiya." Lambar sashi LTLMH4YRADA ita ce babban lambar oda, kuma ana bin diddigin tarihin bita (P001 zuwa P005) don sarrafa canjin injiniya.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da aikace-aikacen alamun cikin gida da na waje saboda ƙarfin haske da ƙarfin muhallinsa. Babban amfani ya haɗa da alamun saƙo masu motsi don talla ko nunin bayanai, nau'ikan alamomin zirga-zirga daban-daban waɗanda ke buƙatar ganuwa mai ƙarfi da dogaro, da hasken yanayi ko alamun gabaɗaya a cikin kayan lantarki. Halin kusurwar kallo ta kunkuntar ta sa ta dace da aikace-aikacen da haske ke buƙatar jagorantar musamman ga mai kallo ko saman ba tare da zubewa mai yawa ba.

8.2 Abubuwan Ƙira da Hanyar Tuƙi

LED na'urar ce da ake sarrafa ta da ƙarfin lantarki. Don tabbatar da daidaiton haske lokacin da ake amfani da LEDs da yawa a layi daya a cikin aikace-aikace, ana ba da shawarar sosai don amfani da da'irar tuƙi mai ƙarfin lantarki na yau da kullun maimakon tushen ƙarfin wutar lantarki na yau da kullun. Wannan aiki yana rama bambancin halitta a cikin ƙarfin wutar lantarki na gaba (Vf) daga LED ɗaya zuwa wani, wanda aka yi cikakken bayani a cikin teburin kwandon aiki. Haɗa LEDs kai tsaye a layi daya zuwa tushen ƙarfin wutar lantarki zai iya haifar da rashin daidaita ƙarfin lantarki, inda LEDs tare da ƙaramin Vf ke ɗaukar ƙarin ƙarfin lantarki, yuwuwar tuƙa su da yayin da ake tuƙa wasu, wanda ke haifar da rashin daidaiton haske da rage tsawon rayuwa. Don haka, aiwatar da masu iyakance ƙarfin lantarki na mutum ɗaya ko, zai fi dacewa, na'urar tuƙa LED mai ƙarfin lantarki na yau da kullun ta musamman yana da mahimmanci don mafi kyawun aiki da tsawon rayuwa.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun kunshin SMD ko PLCC (Plastic Leaded Chip Carrier), wannan fitilar hawa a saman tana ba da fa'idodi daban-daban don takamaiman aikace-aikace. Babban abin da ya bambanta shi ne ƙirar ruwan tabarau da aka haɗa, wanda ke ba da tsarin fitar da haske mai sarrafawa (kusurwar kallo 100/40°) ba tare da buƙatar ƙarin ruwan tabarau na gani na waje ba. Wannan yana sauƙaƙa ƙirar injiniya na samfurin ƙarshe, yana rage adadin sassa, kuma yana iya rage farashin haɗawa gabaɗaya. Kunshin epoxy na ci gaba yana ba da mafi kyawun kariya daga ɗanɗano da UV idan aka kwatanta da wasu daidaitattun kunshi, yana mai da shi mafi dogaro ga aikace-aikacen waje ko yanayi mai wahala. Ƙarfin haske mai ƙarfi a cikin ƙaramin siffar siffa kuma yana ba da fa'ida mai gasa a cikin ƙirar da ke da ƙarancin sarari inda ake buƙatar haske mai ƙarfi.

10. Tambayoyin da ake yawan yi (FAQ)

10.1 Menene ma'anar kusurwar kallo 100/40°?

An ƙayyade kusurwar kallo a matsayin 100/40°. Wannan yawanci yana nufin ma'auni biyu daban-daban na kusurwa. Ƙimar farko (100°) sau da yawa tana wakiltar cikakken faɗi a rabin matsakaici (FWHM) a cikin jirgi ɗaya (misali, jirgin sama), inda ƙarfin haske ya ragu zuwa 50% na ƙimar kololuwar sa. Ƙimar na biyu (40°) mai yiwuwa tana wakiltar FWHM a cikin jirgin da ya dace (misali, jirgin sama), wanda ke haifar da ƙarin tsarin haske mai elliptical ko kunkuntar. An ƙera wannan tsarin mara daidaituwa don takamaiman aikace-aikacen alamun saƙo.

10.2 Shin zan iya amfani da tushen ƙarfin wutar lantarki na yau da kullun don tuƙa wannan LED?

Ba a ba da shawarar ba. Saboda bambancin ƙarfin wutar lantarki na gaba (Vf) kamar yadda aka nuna a cikin teburin kwandon aiki, tuƙa LEDs da yawa kai tsaye daga tushen ƙarfin wutar lantarki na yau da kullun zai haifar da rarraba ƙarfin lantarki mara daidaituwa. Koyaushe yi amfani da direban ƙarfin lantarki na yau da kullun ko haɗa mai iyakance ƙarfin lantarki a jere tare da kowane LED ko kowane kirtani na LEDs da aka haɗa a jere don tabbatar da aiki mai ƙarfi da daidaito.

10.3 Sau nawa zan iya haɗa wannan ɓangaren ta hanyar zafi (reflow solder)?

Takardar bayani ta bayyana a sarari cewa ba dole ba ne a yi haɗa ta hanyar zafi fiye da sau biyu. An saita wannan iyaka don hana matsanancin damuwa na zafi akan kunshin epoxy da haɗin guntun ciki, wanda zai iya haifar da rarrabuwa, ƙara juriyar zafi, ko gazawar gaba ɗaya.

10.4 Menene ma'anar MSL3, kuma me yasa gasa ya zama dole?

MSL3 (Matakin Hankali na ɗanɗano 3) yana nuna cewa kunshin filastik na LED na iya ɗaukar ɗanɗano daga yanayi. A lokacin tsarin haɗa ta hanyar zafi mai zafi, wannan ɗanɗanon da aka kama zai iya zama tururi cikin sauri, yana haifar da matsa lamba na ciki wanda zai iya fashe kunshin (wani abu da aka sani da "popcorning"). Gasa yana cire wannan ɗanɗanon da aka ɗauka, yana mai da ɓangaren ya zama lafiya don haɗa ta hanyar zafi. Yin bin ƙayyadaddun rayuwar bene (sa'o'i 168 bayan buɗe jakar) da buƙatun gasa yana da mahimmanci don yawan haɗawa da dogon lokaci dogaro.

11. Ƙira da Amfani na Aikace-aikace

Yi la'akari da ƙirar ƙaramin alamar ƙetare ƙetare na waje. Ƙirar tana buƙatar hasken gargadi mai raɗa mai haske wanda ake iya gani a sarari a cikin hasken rana. An zaɓi LTLMH4YRADA saboda ƙarfin haske mai ƙarfi (har zuwa 4200 mcd) da launin raɗa. Kuntatar kusurwar kallonta ta tsaye ta 40° tana taimakawa wajen tattara haske zuwa masu ƙetare ƙetare a matakin titi, yana rage gurɓataccen haske sama. Ƙimar MSL3 tana buƙatar tsara tsarin haɗa PCB a hankali don tabbatar da cewa an haɗa duk LEDs a cikin sa'o'i 168 na buɗe jakar shinge na ɗanɗano. An yi amfani da ƙafar ƙafa uku, tare da tandu P3 an haɗa shi da babban zubar da tagulla akan PCB wanda ke aiki azaman ma'aunin zafi don sarrafa ƙarfin wutar lantarki na 120mW, yana tabbatar da fitar da haske mai ƙarfi a tsawon rayuwar samfurin. An ƙera da'irar tuƙi mai ƙarfin lantarki na yau da kullun don ba da 20mA mai ƙarfi ga kowane LED, yana tabbatar da daidaiton haske a duk raka'o'in duk da bambance-bambancen Vf na halitta.

12. Ka'idar Aiki

LTLMH4YRADA ya dogara ne akan kayan semiconductor na Aluminum Indium Gallium Phosphide (AllnGaP). Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce kofarsa (kusan 1.8V), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun semiconductor, suna sakin makamashi a cikin nau'in photons. Takamaiman abun da ke cikin AllnGaP yana aiki don samar da photons da farko a cikin yankin raɗa na bakan gani, tare da tsayin raɗa mai rinjaye kusan 590nm. Ruwan tabarau na epoxy da ke kewaye da guntun yana aiki don fitar da haske yadda ya kamata daga semiconductor da kuma siffanta tsarin fitar da haske zuwa ƙayyadaddun kusurwar kallo 100/40°, yayin da kuma yana ba da kariya ta injiniya da muhalli.

13. Trends na Fasaha

Fasahar LED mai hawa a saman wacce wannan ɓangaren ke wakilta tana ci gaba da haɓaka tare da wasu mahimman hanyoyi. Ingantattun inganci abu ne na yau da kullun, da nufin isar da ƙarin fitarwa mai haske (lumens) a kowace watt na lantarki. Wannan yana haifar da haɓaka ƙarin ingantattun kayan semiconductor da ƙirar guntu na ci gaba. Fasahar kunshi kuma tana ci gaba, tare da trends zuwa mafi girman kayan watsa zafi don sarrafa zafi daga guntuttuka masu ƙarfi, yana ba da damar tuƙi mafi girma da ƙarin haske daga ƙafar ƙafa ɗaya. Bugu da ƙari, ana ƙara mai da hankali kan daidaiton launi da ƙarin ƙayyadaddun ƙayyadaddun kwandon aiki don biyan buƙatun nunin haske mai ƙima da aikace-aikacen haske, da kuma ingantattun fasalulluka na dogaro don kasuwannin motoci da masana'antu.