ELUA3535NU3 UVA LED Takardar Bayani - 3.75x3.75x3.2mm - 3.6-4.8V - Jerin 4W - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Jerin samfurin ELUA3535NU3 yana wakiltar madaidaicin mafita na LED mai dogaro, wanda aka ƙera ta musamman don aikace-aikacen ultraviolet-A (UVA). An ƙera wannan jerin 4W don ba da aiki mai daidaito a cikin yanayi masu wahala inda ake amfani da hasken UV don kaddarorin kashe ƙwayoyin cuta ko na catalytic.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan jerin LED ya samo asali ne daga ƙaƙƙarfan gini da ƙirar lantarki. Amfani da kayan aikin yumbu na Aluminum Nitride (AlN) yana ba da kyakkyawan yanayin zafi, wanda ke da mahimmanci don sarrafa zafin da aka samar ta hanyar aiki mai ƙarfi da kuma tabbatar da dogon lokacin dogaro. Na'urar ta ƙunshi kariya ta Electrostatic Discharge (ESD) wanda aka ƙididdige har zuwa 2KV (HBM), yana haɓaka dorewarta yayin sarrafawa da haɗawa. Bugu da ƙari, samfurin ya cika cikakke da manyan ƙa'idodin muhalli da aminci ciki har da RoHS, maras gubar, EU REACH, da ƙa'idodin marasa halogen (Br<900ppm, Cl<900ppm, Br+Cl<1500ppm), yana mai da shi dacewa ga kasuwannin duniya masu buƙatar cikakken bin doka.

Aikace-aikacen da ake nufi su ne da farko a cikin sassan masana'antu da na kasuwanci waɗanda ke amfani da hasken UVA. Manyan kasuwanni sun haɗa da tsarin tsarkakewar UV don tsarkakewar iska da ruwa, tsarin Photocatalyst na UV don rushe abubuwan Organic masu canzawa (VOCs), da hasken firikwensin UV na musamman. Dogaron samfurin da fitar da wutar lantarki sun sa shi zama abu mai dacewa don tsarin da ke buƙatar ci gaba da fitar da UV.

2. Zurfin Binciken Sigogi na Fasaha

Wannan sashe yana ba da cikakken bayani, fassarar maƙasudi na mahimman sigogi da aka jera a cikin takardar bayanai, yana bayyana mahimmancinsu ga injiniyoyin ƙira.

2.1 Matsakaicin Matsakaicin Matsayi

Matsakaicin Matsakaicin Matsayi yana ayyana iyakokin damuwa wanda za su iya haifar da lalacewa na dindindin ga na'urar. Don bambance-bambancen 385nm, 395nm, da 405nm, matsakaicin ci gaba na gaba na yanzu (I_F) shine 1250mA. Yana da mahimmanci a lura cewa bambancin 365nm yana da ƙarancin ƙimar yanzu na 700mA. Wannan bambanci yawanci yana faruwa ne saboda daban-daban kayan semiconductor da tsarin epitaxial da ake amfani da su don gajerun raƙuman ruwa, waɗanda ƙila suna da ƙarancin iya sarrafa halin yanzu ko kuma mafi girman hankali na thermal. Yin aiki akai-akai a ko kusa da waɗannan iyakoki zai rage rayuwar LED da dogaro sosai. Matsakaicin zafin haɗin gwiwa (T_J) an ƙididdige shi a 105°C. Juriyar zafi daga haɗin gwiwa zuwa kushin thermal (R_θth) an ƙayyade shi azaman 4°C/W. Wannan sigogi yana da mahimmanci don ƙirar sarrafa zafi; misali, a cikin cikakken ƙimar yanzu, ana iya ƙididdige hawan zafi daga kushin zuwa haɗin gwiwa. Daidaitaccen heatsinking yana da mahimmanci don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci.

2.2 Halayen Photometric da Na Lantarki

Lambobin oda da aka bayar sun ƙididdige takamaiman kwandon aiki. Juyin halittar Radiant, ma'aunin jimillar ƙarfin gani a cikin watts (ko milliwatts), ya bambanta ta hanyar tsawon raƙuman ruwa. Don LED 365nm (mai aiki a 700mA), mafi ƙarancin juzu'in haske shine 900mW, na yau da kullun shine 1300mW, kuma matsakaici shine 1600mW. Don LED 385nm, 395nm, da 405nm (mai aiki a 1000mA), mafi ƙarancin shine 1350mW, na yau da kullun shine 1475mW, kuma matsakaici shine 1850mW. Ƙarfin lantarki na gaba (V_F) don duk nau'ikan a cikin jerin an ƙayyade shi a cikin kewayon 3.6V zuwa 4.8V a nasu halin yanzu na aiki. Dole ne a yi la'akari da wannan kewayon lokacin ƙirar da'irar direba don tabbatar da cewa tana iya samar da isasshen ƙarfin lantarki yayin sarrafa ɓarnawar wutar lantarki.

3. Bayanin Tsarin Binning

An rarraba samfurin zuwa kwandon bisa mahimman sigogi guda uku: Radiant Flux, Peak Wavelength, da Ƙarfin Lantarki na Gaba. Wannan yana ba abokan ciniki damar zaɓar LEDs tare da halaye masu matse don daidaitaccen aikin tsarin.

3.1 Radiant Flux Binning

Ana amfani da teburi daban-daban guda biyu don rukunin tsawon raƙuman ruwa daban-daban. Don LED 365nm, lambobin bin U1 zuwa U4 suna rarraba juzu'in haske daga 900-1000mW har zuwa 1400-1600mW. Don LED 385nm zuwa 405nm, ana amfani da lambobin bin U51 (1350-1600mW) da U52 (1600-1850mW). Dole ne masu ƙira su tabbatar cewa mafi ƙarancin ƙimar da ake buƙata ta tsarin gani ta cika mafi ƙarancin ƙimar zaɓaɓɓen kwandon.

3.2 Peak Wavelength Binning

An rarraba tsayin raƙuman ruwa zuwa kewayon 10nm: U36 (360-370nm), U38 (380-390nm), U39 (390-400nm), da U40 (400-410nm). Zaɓin ya dogara da hankalin bakan aikace-aikacen. Misali, kunna Photocatalyst sau da yawa yana da mafi kyawun kewayon tsawon raƙuman ruwa.

3.3 Ƙarfin Lantarki na Gaba Binning

An rarraba ƙarfin lantarki na gaba zuwa rukuni uku: 3640 (3.6-4.0V), 4044 (4.0-4.4V), da 4448 (4.4-4.8V). Wannan yana da mahimmanci ga ingancin direba da sarrafa zafi. LEDs daga ƙananan ƙarfin lantarki na bin za su rage ƙarfin wutar lantarki a matsayin zafi (P = V_F* I_F) a halin yanzu ɗaya, yana iya ba da damar sauƙaƙe ko ƙaramin heatsink.

4. Binciken Lanƙwasa Aiki

Lanƙwasan halaye na yau da kullun suna ba da haske game da halayen LED a ƙarƙashin yanayi daban-daban na aiki, wanda ke da mahimmanci don ƙaƙƙarfan ƙirar tsarin.

4.1 Bakan da Dangantakar Radiant Flux vs. Halin yanzu

Jadalin bakan yana nuna ƙarfin fitarwa na al'ada a cikin tsayin raƙuman ruwa don manyan bambance-bambance guda huɗu. Kowanne yana da kololuwa daban-daban, tare da kunkuntar bandwidth na bakan da aka saba da UV LEDs. Lanƙwasa Dangantakar Radiant Flux vs. Halin yanzu na Gaba yana nuna alaƙar ƙasa-layin. Fitowar ba ta ƙaru daidai da halin yanzu ba, musamman a manyan halayen yanzu, saboda raguwar inganci da hawan zafin haɗin gwiwa da sauran tasirin kimiyyar lantarki na semiconductor ke haifarwa. Wannan yana nuna mahimmancin sarrafa zafi don kiyaye fitarwa.

4.2 Halayen Thermal

Lanƙwasan don Dangantakar Radiant Flux vs. Yanayin Yanayi da Peak Wavelength vs. Yanayin Yanayi suna da mahimmanci. Yayin da yanayin yanayi (ko kushin) ya ƙaru, juzu'in haske yana raguwa sosai—halin gama gari a cikin LEDs. Misali, a 120°C, juzu'in dangi kusan kashi 40-50% ne kawai na ƙimarsa a 25°C. A lokaci guda, tsayin raƙuman ruwa yana matsawa zuwa tsayin raƙuman ruwa masu tsayi (ja-juyi) tare da haɓakar zafin jiki, a wani adadin da ake iya gani akan jadwal. Dole ne a yi la'akari da wannan canjin thermal a cikin aikace-aikacen masu hankali na tsawon raƙuman ruwa. Lanƙwasa Ƙarfin Lantarki na Gaba vs. Zazzabi yana nuna ƙimar zafin jiki mara kyau, ma'ana V_Fyana raguwa yayin da zafin jiki ya tashi, wanda zai iya shafar aikin direba mai ci gaba.

5. Bayanin Injiniya da Marufi

5.1 Ma'auni da Haƙuri

LED yana da ƙaramin ƙafa na 3.75mm x 3.75mm tare da tsayin gabaɗaya na 3.2mm. Zanen girma yana ƙayyade duk mahimman tsayi, gami da kushin thermal da kushin anode/cathode. Haƙuri na gabaɗaya akan ma'auni na planar shine ±0.1mm, yayin da haƙurin kauri shine ±0.15mm. Waɗannan haƙuri suna da mahimmanci don shimfidar PCB, ƙirar sitaci na gwaiduwa, da tabbatar da daidaitaccen wuri ta hanyar injunan zaɓe da sanyawa.

5.2 Saitin Kushin da Polarity

Ra'ayin ƙasa yana nuna shimfidar kushin a sarari. Matsakaici, babban kushin rectangular shine kushin thermal (cathode), wanda ke da mahimmanci don canja wurin zafi zuwa PCB. Ana samun ƙananan kushin lantarki guda biyu a gefe ɗaya: ɗaya don anode da ɗaya don cathode. An nuna polarity a cikin zane. Cathode yawanci yana haɗe zuwa kushin thermal da ɗaya daga cikin ƙananan kushin. Ana buƙatar daidaitaccen ganewar polarity yayin haɗawa don hana gazawar na'urar.

6. Jagororin Solder da Hada

6.1 Tsarin Solder na Reflow

LED ya dace da daidaitattun hanyoyin Fasahar Surface-Mount (SMT). Takardar bayanai tana ba da jadalin bayanin sake kunnawa tare da mahimman sigogi: yankin preheat, hawan zafin jiki cikin sauri zuwa kololuwa, da kuma lokacin sanyaya mai sarrafawa. Ana ba da shawarar matsakaicin zafin jiki shine 260°C (+0°C/-5°C) na daƙiƙa 10 matsakaici. An bayyana a sarari cewa bai kamata a yi solder na sake kunnawa fiye da sau biyu ba don guje wa damuwa mai yawa akan kunshin da haɗin ciki. Dole ne a guji damuwa na injiniya akan jikin LED yayin dumama (misali, daga warpage PCB), kuma an haramta lanƙwasa PCB bayan solder saboda yana iya fashe haɗin gwiwar solder ko kunshin yumbu kanta.

7. Bayanin Marufi da Oda

7.1 Decoding Sunan Samfurin

Cikakken lambar oda (misali, ELUA3535NU3-P6070U23648700-V41G) cikakken mai siffanta ne:

• EL: Prefix na masana'anta.
• UA: Nau'in samfurin UVA.
• 3535: Girman kunshin 3.75mm x 3.75mm.
• N: Kayan kunshin shine Aluminum Nitride (AlN).
• U: Rufin shine Zinariya (Au).
• 3: Kallon kusurwa shine 30°.
• PXXXX: Lambar tsayin raƙuman ruwa (misali, 6070 don 360-370nm).
• YY: Lambar mafi ƙarancin Radiant Flux.
• 3648 / 700 / 1K0: Kewayon ƙarfin lantarki na gaba (3.6-4.8V) da Halin yanzu na gaba (700mA ko 1000mA).
• V41G: Nau'in guntu (Vertical), girman (43mil), adadi (1), da tsari (Gilashin Quartz).

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Tsarin Tsarkakewar UV:Don lalata iska ko ruwa, kewayon 265-280nm (UVC) ya fi dacewa don lalata DNA. Duk da haka, ana amfani da UVA LEDs (kamar wannan jerin) a wasu matakai na oxidation na ci gaba (AOP) ko a cikin tsarin da ke nufin takamaiman ƙwayoyin cuta masu hankali ga UV mai tsayi, ko a hade tare da photocatalysts. Dole ne ƙirar tsarin ta tabbatar da isasshen kashi na UV (ƙarfi x lokaci).
Photocatalyst na UV:Yawanci amfani da TiO₂, photocatalysts suna kunna ta hanyar hasken UV. Ana amfani da bambance-bambancen 385nm ko 395nm. Dole ne ƙirar ta tabbatar da haske iri ɗaya na saman mai kara kuzari da kuma sarrafa zafi, saboda ingancin mai kara kuzari na iya dogara da zafin jiki.
Hasken Firikwensin UV:Ana amfani dashi don tada haske ko don duban na'urar gani. Madaidaicin fitarwa da takamaiman tsayin raƙuman ruwa sune maɓalli. Direba mai ci gaba na yanzu yana da mahimmanci don kiyaye madaidaicin fitarwa na gani, kuma ana iya buƙatar tacewa don toshe hasken da ba a so daga bakan LED.

8.2 Muhimman Abubuwan Ƙira

Gudanar da Thermal:Wannan shine mafi mahimmancin abu guda ɗaya don aiki da tsawon rai. Yi amfani da PCB tare da isassun hanyoyin thermal a ƙarƙashin kushin thermal, wanda aka haɗa zuwa manyan jiragen tagulla ko waje heatsink. Juriyar zafi 4°C/W daga haɗin gwiwa zuwa kushin thermal na LED; Dole ne a ƙera juriyar tsarin thermal zuwa yanayi don kiyaye T_Jda kyau ƙasa da 105°C.
Tukin Lantarki:Koyaushe yi amfani da direba mai ci gaba na yanzu, ba tushen ƙarfin lantarki mai ci gaba ba. Dole ne direba ya iya samar da halin yanzu da ake buƙata (700mA ko 1000mA) da ƙarfin lantarki wanda ya ƙunshi duk V_Fkewayon zaɓaɓɓen kwandon, da kuma ɗan sarari. Yi la'akari da aiwatar da Pulse-width modulation (PWM) don dusashe idan an buƙata, maimakon rage halin yanzu na analog, don guje wa canjin launi/tsawon raƙuman ruwa.
Ƙirar Gani:Kusurwar kallon 30° tana ba da katako mai mai da hankali sosai. Ana iya amfani da ruwan tabarau ko masu haskakawa don siffanta hasken don yankin da ake nufi. Tabbatar da kowane kayan gani (ruwan tabarau, tagogi) suna da UV-transparent (misali, quartz, takamaiman robobi na UV-grade) kamar yadda gilashin da aka saba da yawancin robobi ke ɗaukar hasken UVA.

9. Kwatancen Fasaha da Bambance-bambance

Duk da yake ba a ba da kwatancen kai tsaye tare da wasu alamu a cikin takardar bayanai ba, ana iya ƙididdige mahimman fasalulluka na wannan jerin. Amfani da kunshin yumbu na AlN yana ba da mafi kyawun aikin zafi idan aka kwatanta da fakitin robobi da aka saba amfani da su a cikin ƙananan wutar lantarki LEDs, yana ba da damar manyan halayen tuƙi da ingantaccen dogaro. Haɗa kariyar ESD na 2KV wani muhimmin siffa ne mai ƙarfi wanda ba koyaushe yana cikin samfuran gasa ba. Cikakken binning a cikin sigogi uku (flux, tsawon raƙuman ruwa, ƙarfin lantarki) yana ba da damar ƙirar tsarin daidaitaccen daidaito da daidaito a cikin samar da yawa, wanda zai iya zama fa'ida akan samfuran tare da haƙuri ko ƙarancin zaɓuɓɓukan binning.

10. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Me yasa matsakaicin halin yanzu don LED 365nm shine 700mA kawai, yayin da sauran suke 1250mA?
A: Wannan da farko saboda daban-daban kaddarorin kayan semiconductor da aka yi amfani da su don cimma gajeriyar tsawon raƙuman ruwa na 365nm. Tsarin kayan (misali, mafi girman abun ciki na aluminum a cikin AlGaN) yawanci yana da ƙarancin watsa wutar lantarki da mafi girman yawan lahani, yana haifar da raguwar matsakaicin yawan halin yanzu da mafi girman juriya na thermal. Yin aiki a ƙananan halin yanzu yana tabbatar da dogaro da hana lalacewa cikin sauri.

Q: Zan iya tuƙa wannan LED tare da wadatar wutar lantarki 3.3V?
A: A'a. Kewayon ƙarfin lantarki na gaba shine 3.6V zuwa 4.8V. Wadata 3.3V ba za ta isa kunna LED ko cimma wani fitarwa mai ma'ana ba. Ana buƙatar da'irar direba wanda zai iya samar da aƙalla 4.8V (da kuma raguwar ƙarfin lantarki na direba).

Q: Ta yaya zan fassara ƙimar "Typical Radiant Flux"?
A: Ƙimar "Typical" matsakaicin ƙididdiga ne ko matsakaici na raka'o'in samarwa. Don tabbatar da aiki a cikin ƙirar ku, dole ne ku yi amfani da ƙimar "Minimum" daga teburin binning. Ƙira zuwa ƙimar na yau da kullun na iya haifar da wasu raka'o'in a cikin tsarin ku suna ƙasa da aiki.

Q: Shin heatsink yana da mahimmanci?
A> Don kowane ci gaba da aiki a ƙimar ƙimar yanzu, i. Ko da tare da ƙananan juriyar thermal 4°C/W, a 1000mA da na yau da kullun V_Fna 4.2V, ɓarnawar wutar lantarki shine 4.2W. Hawan zafin jiki daga kushin zuwa haɗin gwiwa zai kasance kusan 4.2W * 4°C/W = 16.8°C. Idan zafin jiki na kushin PCB ya kai 85°C, haɗin gwiwa yana riga yana ~102°C, kusa da matsakaicin 105°C. Ingantaccen heatsink ba shi da yarjejeniya don aiki mai dogaro.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar PCB don Tsarin LED na UV da yawa don Curing Surface.
Injiniya yana ƙirar jerin LED goma sha biyu na 395nm don tashar curing UV mai ƙarancin wutar lantarki don mannewa. Za a tuƙi kowane LED a 1000mA.Mataki 1 - Shimfidar PCB:An ƙera PCB tare da tagulla 2oz. An ƙirƙiri kushin taimakon thermal na musamman wanda ya dace da ƙafar LED, cike da grid na hanyoyin thermal (misali, diamita 0.3mm, pitch 1mm) waɗanda ke haɗawa zuwa babban jirgin sama na ƙasa da kuma zubar da tagulla na gefen ƙasa wanda za a haɗa shi zuwa heatsink na aluminum tare da kayan hulɗar thermal.Mataki 2 - Ƙirar Lantarki:An zaɓi IC direba LED mai ci gaba na yanzu wanda zai iya isar da jimillar 12A (ko ƙananan direbobi da yawa). An duba ƙarfin ƙarfin lantarki na direba don tabbatar da cewa zai iya sarrafa LED 12 a cikin tsarin 4-series/3-parallel, yana la'akari da matsakaicin V_Fna 4.8V kowace LED.Mataki 3 - Haɗin Gani:An sanya murfin gilashin quartz akan tsarin don kare LEDs. An ƙididdige nisa zuwa saman curing da ake so bisa ga hasken da ake so, ta amfani da mafi ƙarancin ƙimar juzu'in haske daga kwandon (1350mW) da kusurwar katako 30° don kimanta girman tabo mai haske da ƙarfi.

12. Gabatarwar Ka'ida

UVA LEDs suna aiki akan ka'idar electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin gwiwar p-n na guntun LED, ana shigar da electrons da ramuka zuwa yankin aiki. Haɗuwarsu tana sakin makamashi a cikin nau'in photons. Tsawon raƙuman ruwa (launi) na hasken da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su a cikin yankin aiki. Don fitarwar UVA (kimanin 315-400nm), ana amfani da kayan kamar Indium Gallium Nitride (InGaN) tare da takamaiman abubuwan da aka haɗa, ko Aluminum Gallium Nitride (AlGaN). Kunshin yumbu yana aiki da farko azaman tallafi na injiniya, insulator na lantarki, kuma mafi mahimmanci, hanya mai inganci ta thermal don fitar da zafi daga haɗin gwiwar semiconductor, wanda ke da mahimmanci don kiyaye aiki da tsawon rai.

13. Trends na Ci gaba

Filin UV LEDs, musamman UVA da UVB, yana ganin ci gaba mai ƙarfi. Manyan abubuwan da ake gani a cikin samfuran kamar wannan takardar bayanai sun haɗa da:Ƙarfafa Ƙarfi da Ingantaccen Aiki:Binciken kayan aiki na ci gaba yana nufin rage raguwar inganci da inganta cirewar haske, yana haifar da mafi girman juzu'in haske daga girman kunshin ɗaya ko ƙarami.Ingantaccen Gudanar da Thermal:Amfani da manyan kayan aikin yumbu kamar AlN, kamar yadda aka gani anan, yana zama mafi daidaitaccen ma'auni don manyan na'urori don sarrafa ƙarar zafi mai ƙaruwa.Daidaituwa da Binning:Yayin da kasuwa ta girma, ƙarin cikakkun lambobin binning da aka daidaita (kamar yadda aka nuna) suna taimakawa haɗa LEDs cikin tsarin da ake iya hasasawa da maimaitawa.Fadada Tsawon Raƙuman Ruwa da Sarrafawa:Bincike yana ci gaba da turawa zuwa gajerun raƙuman ruwa masu inganci (zuwa cikin UVB da UVC) da kuma samar da mafi ƙarfi sarrafa tsayin raƙuman ruwa da faɗin bakan don aikace-aikace na musamman.Haɗin Tsarin:Akwai wani yanayi zuwa ƙarin modules shirye don aikace-aikacen waɗanda suka haɗa da LED, direba, na'urorin gani, da kuma wani lokacin firikwensin, yana sauƙaƙa ƙira ga masu amfani na ƙarshe.