LTPL-C034UVD385 UV LED Takardar Bayani - 3.8V 600mW 385nm - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTPL-C034UVD385 babban LED ne na ultraviolet (UV) wanda aka ƙera don aikace-aikacen UV curing na ƙwararru da sauran hanyoyin UV na gama gari. Yana wakiltar mafita mai ƙarfi don hasken wuta wanda ya haɗa ingantaccen amfani da makamashi, tsawon rayuwar aiki, da amincin da ke cikin fasahar LED tare da babban fitar da haske wanda ya dace don maye gurbin tushen hasken UV na al'ada kamar fitilun mercury.

1.1 Fa'idodi na Asali da Kasuwa da Ake Nufi

Wannan jerin UV LED an ƙera shi don ba da fa'idodi masu mahimmanci fiye da fasahohin UV na gargajiya. Siffofi masu mahimmanci sun haɗa da cikakkiyar bin ka'idojin RoHS da rashin gubar, yana tabbatar da dacewar muhalli da ƙa'idodi. Yana ba da ƙananan farashin aiki da kulawa saboda yanayinsa mai ƙarfi, yana kawar da buƙatar sauya kwan fitila akai-akai da rage amfani da makamashi. Na'urar kuma ta dace da I.C., yana sauƙaƙe haɗawa cikin tsarin sarrafa lantarki na zamani. Babban kasuwar da ake nufi ta haɗa da tsarin UV curing na masana'antu don tawada, sutura, da mannewa, da kuma kayan aikin kimiyya, likita, da tsaftacewa waɗanda ke buƙatar tushen hasken UV-A mai tsayin 385nm.

2. Zurfin Bincike na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bincike na gaskiya game da mahimman ma'auni na lantarki, na gani, da na zafi da aka ƙayyade don LTPL-C034UVD385 UV LED.

2.1 Matsakaicin Matsakaicin Matsayi

An ƙididdige na'urar don matsakaicin ci gaba na yanzu (If) na 500 mA da matsakaicin amfani da wutar lantarki (Po) na Watts 2. An ƙayyade kewayon zafin aiki (Topr) daga -40°C zuwa +85°C, tare da faɗaɗa kewayon zafin ajiya (Tstg) daga -55°C zuwa +100°C. Matsakaicin zafin haɗin gwiwa (Tj) shine 110°C. Yana da mahimmanci a yi aiki a cikin waɗannan iyakokin don tabbatar da aminci da hana lalacewa ta dindindin. Takardar bayani ta faɗakar da hankali game da dogon lokaci na aiki a ƙarƙashin yanayin karkatar da baya.

2.2 Halayen Lantarki da Gani

An auna a daidaitaccen yanayin gwaji na zafin yanayi na 25°C da ci gaba na yanzu na 350mA, an ayyana mahimman ma'auni. Ƙarfin lantarki na gaba (Vf) yana da ƙimar al'ada na 3.8V, tare da kewayon daga 2.8V (Min) zuwa 4.4V (Max). Ƙarfin haske (Φe), wanda shine jimillar ƙarfin gani a cikin bakan UV, yana da ƙimar al'ada na milliwatts 600 (mW), yana kewayo daga 460mW (Min) zuwa 700mW (Max). Tsayin raƙuman ruwa (Wp) yana tsakiya a yankin 385nm, tare da kewayon kwandon daga 380nm zuwa 390nm. Kusurwar kallo (2θ1/2) yawanci digiri 130 ne, yana ayyana tsarin radiation. Juriyar zafi daga haɗin gwiwa zuwa akwati (Rthjc) yawanci 13.2 °C/W ne, ma'auni mai mahimmanci don ƙirar sarrafa zafi.

2.3 Bincike na Halayen Zafi

Ƙimar juriyar zafi na 13.2 °C/W tana nuna haɓakar zafi a kowace watt na wutar lantarki da aka ɓata tsakanin haɗin gwiwar semiconductor da akwatin fakitin. Misali, a wurin aiki na al'ada na 350mA da 3.8V (1.33W ƙarfin shigarwa, ana ɗauka ~600mW fitarwa na gani yana nufin ~730mW na zafi), bambancin zafi tsakanin haɗin gwiwa da akwati zai kasance kusan 9.6°C. Ingantaccen nutsewar zafi yana da mahimmanci don kiyaye zafin haɗin gwiwa ƙasa da matsakaicin 110°C, musamman a cikin yanayin yanayi mai zafi ko yayin ci gaba da aiki.

3. Bayanin Tsarin Binning

LTPL-C034UVD385 yana amfani da tsarin binning don rarraba raka'a bisa ga bambance-bambancen aiki masu mahimmanci, yana ba masu ƙira damar zaɓar LED ɗin da suka dace da takamaiman buƙatun aikace-aikace.

3.1 Binning na Ƙarfin Lantarki na Gaba (Vf)

Ana rarraba LED ɗin zuwa kwandon ƙarfin lantarki huɗu (V0 zuwa V3). Kwandon V0 yana da mafi ƙarancin ƙarfin lantarki na gaba (2.8V - 3.2V), yayin da kwandon V3 yana da mafi girma (4.0V - 4.4V). Haƙuri a cikin kwandon shine +/- 0.1V. Wannan yana ba da damar daidaita yanzu mafi kyau lokacin da ake tuka LED ɗin da yawa a jere, saboda LED ɗin daga kwandon Vf ɗaya zai sami ƙarancin ƙarfin lantarki iri ɗaya.

3.2 Binning na Ƙarfin Hasken (Φe)

An rarraba ƙarfin fitarwa na gani zuwa kwandon shida, mai lakabin R1 zuwa R6. R1 yana wakiltar mafi ƙanƙancin kewayon fitarwa (460mW - 500mW), kuma R6 yana wakiltar mafi girma (660mW - 700mW). Haƙuri shine +/- 10%. Wannan binning yana da mahimmanci ga aikace-aikacen da ke buƙatar daidaitaccen ƙarfin UV, kamar a cikin hanyoyin curing inda allurar bayyanawa ke zama ma'auni mai mahimmanci.

3.3 Binning na Tsayin Raƙuman Ruwa (Wp)

An rarraba tsayin raƙuman UV zuwa nau'i biyu: P3R (380nm - 385nm) da P3S (385nm - 390nm), tare da haƙuri na +/- 3nm. Takamaiman tsayin raƙuman ruwa na iya zama mahimmanci ga aikace-aikacen da wasu masu farawa na hoto a cikin guduro ko sutura suna da mafi kyawun bakan aiki.

4. Bincike na Lankwasa Aiki

Takardar bayani ta haɗa da lankwasan halaye da yawa waɗanda ke ba da zurfin fahimta game da halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Dangantakar Ƙarfin Hasken vs. Ci Gaba na Yanzu

Wannan lankwasa yana nuna cewa fitarwa na gani (ƙarfin haske) yana ƙaruwa tare da ci gaba na yanzu amma ba cikakkiyar layi ba, musamman a manyan igiyoyin ruwa inda inganci zai iya raguwa saboda ƙaruwar tasirin zafi. Yana taimaka wa masu ƙira su zaɓi yanzu na aiki wanda ke daidaita ƙarfin fitarwa tare da inganci da tsawon rayuwa.

4.2 Ci Gaba na Yanzu vs. Ƙarfin Lantarki na Gaba (Lankwasa I-V)

Lankwasa I-V tana kwatanta alaƙar ma'auni na diode. Yana da mahimmanci don ƙirar daidaitaccen kewayen direba. Lankwasa za ta motsa tare da zafin jiki; ƙarfin lantarki na gaba yana raguwa yayin da zafin haɗin gwiwa ya ƙaru don wani yanzu da aka ba.

4.3 Dangantakar Ƙarfin Hasken vs. Zafin Haɗin Gwiwa

Wannan ɗaya ne daga cikin mahimman lankwasan don sarrafa zafi. Yana nuna yadda ƙarfin fitarwa na gani ke raguwa yayin da zafin haɗin gwiwa ya tashi. Kiyaye ƙaramin zafin haɗin gwiwa yana da mahimmanci don cimma daidaitaccen, babban fitarwa da haɓaka tsawon rayuwar aikin LED.

4.4 Rarraba Dangantakar Bakan

Wannan jadawali yana nuna ƙarfin hasken da aka fitar a cikin bakan UV. Yana tabbatar da yanayin ƙunƙuntaccen bakan na fitarwar LED, mai tsakiya a kusa da 385nm, tare da cikakken faɗin rabin matsakaici (FWHM) na al'ada na fasahar LED. Wannan ya bambanta da faɗin bakan na fitilun mercury na gargajiya.

4.5 Halayen Radiation

Wannan zane na polar yana kwatanta rarraba sararin samaniya na haske (kusurwar kallo). Kusurwar kallo na al'ada na digiri 130 yana nuna faɗi, tsarin fitarwa mai kama da lambertian, wanda ke da amfani don haskaka yanki daidai.

5. Bayanin Injiniya da Fakitin

5.1 Girman Bayyani

Fakitin LED yana da takamaiman girmomin injiniya da aka bayar a cikin zane-zanen takardar bayani. An lura da iyakokin haƙuri: yawancin girmomi suna da haƙuri na ±0.2mm, yayin da tsayin ruwan tabarau da tsawon/faɗin substrate na yumbu suna da ƙaramin haƙuri na ±0.1mm. An lura da kushin zafi a ƙasan fakitin a matsayin keɓantacce (tsaka tsaki) daga kushin lantarki na anode da cathode, wanda ke sauƙaƙe shimfidar PCB don ramukan zafi.

5.2 Kushin Haɗin PCB da Aka Ba da Shawara

An ba da tsarin ƙasa (sawun ƙafa) don ƙirar PCB. Wannan ya haɗa da girman da tazara don haɗin anode, cathode, da kushin zafi. Bin wannan shimfidar da aka ba da shawara yana da mahimmanci don tabbatar da samuwar haɗin gwiwar solder, haɗin lantarki, da mafi mahimmanci, ingantaccen canja wurin zafi daga kushin zafi zuwa zubar da tagulla na PCB da kowane kushin zafi na ƙasa.

5.3 Gano Polarity

Zanen takardar bayani yana nuna kushin anode da cathode a fili. Dole ne a lura da daidaitaccen polarity yayin haɗawa don hana amfani da karkatar da baya, wanda zai iya lalata na'urar.

6. Jagororin Solder da Haɗawa

6.1 Bayanin Siffar Solder Reflow

An ba da cikakken bayanin siffar solder reflow, yana ƙayyade ma'auni masu mahimmanci kamar preheat, jiƙa, matsakaicin zafin reflow (ba wuce 260°C na dakika 10 ba bisa ga yanayin gwajin reflow), da ƙimar sanyaya. Bayanan sun jaddada cewa duk zafin jiki suna nufin saman jikin fakitin. Ba a ba da shawarar saurin sanyaya. Mafi ƙarancin zafin solder wanda ke cimma haɗin gwiwa mai aminci koyaushe yana da kyawawa don rage matsin zafi akan LED.

6.2 Umarnin Solder na Hannu

Idan solder na hannu ya zama dole, matsakaicin yanayin da aka ba da shawara shine 300°C na matsakaicin dakika 2, kuma wannan ya kamata a yi sau ɗaya kawai a kowane LED. Jimillar ayyukan solder (reflow ko hannu) bai kamata ya wuce sau uku ba.

6.3 Tsaftacewa da Taka Tsantsan

Don tsaftacewa, kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol. Masu tsaftacewa na sinadarai waɗanda ba a bayyana ba na iya lalata fakitin LED. Dole ne a kula da na'urar da hankali don guje wa fitar da lantarki (ESD) da lalacewar injiniya ga ruwan tabarau.

7. Bayanin Fakitin da Oda

7.1 Fakitin Tepe da Reel

Ana ba da LED ɗin akan tepe mai ɗaukar kaya da reel don haɗawa ta atomatik. Takardar bayani tana ba da cikakkun girmomi don duka aljihun tepe da reel na inci 7 na al'ada. Ma'auni masu mahimmanci sun haɗa da: an rufe aljihun fanko da tepe mai rufi, matsakaicin guda 500 a kowane reel, da matsakaicin abubuwan da suka ɓace guda biyu a jere akan tepe, daidai da ƙa'idodin EIA-481-1-B.

7.2 Alamar Lambar Binning

Lambar rarrabuwar kwandon (don Vf, Φe, da Wp) an yiwa alama a kowane jakar tattarawa, yana ba da damar gano asali da zaɓin takamaiman matakan aiki.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

Babban aikace-aikacen shine UV curing don hanyoyin masana'antu, gami da curing na tawada akan kayan aikin bugu, sutura akan kayan ƙasa daban-daban, da mannewa a cikin haɗin lantarki. Sauran amfani mai yuwuwa sun haɗa da bincike na fluorescence, gano jabu, da na'urorin jiyya na likita waɗanda ke buƙatar takamaiman tsayin raƙuman UV-A. Yanayinsa mai ƙarfi ya sa ya dace da kayan aiki masu ɗaukar hoto ko nan take.

8.2 Abubuwan Ƙira da Bukatun Direba

LED na'ura ce mai sarrafa yanzu. Don tabbatar da daidaitaccen ƙarfi da kwanciyar hankali, musamman lokacin tuka LED ɗin da yawa, direba mai yanzu dole ne, ba tushen ƙarfin lantarki ba. Dole ne a ƙera direba don samar da yanzu da ake buƙata (misali, 350mA) yayin ɗaukar kewayon ƙarfin lantarki na gaba na LED(s). Don haɗin jere, ƙarfin lantarki na direba dole ne ya fi jimillar matsakaicin Vf na duk LED ɗin a cikin kirtani. Haɗin kai na LED ɗin gabaɗaya ba a ba da shawara ba tare da daidaita yanzu ɗaya ba. Sarrafa zafi shine mafi mahimmancin al'amarin ƙirar injiniya. Ana buƙatar ingantaccen mu'amalar zafi da isasshen kushin zafi don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci, yana tabbatar da kwanciyar hankali na fitarwa da dogon rayuwa.

9. Aminci da Gwaji

Takardar bayani ta zayyana cikakken tsarin gwajin aminci, yana nuna ƙarfin samfurin. Gwaje-gwaje sun haɗa da Ƙarancin Zafi, Daki, da Babban Zafin Rayuwar Aiki (LTOL, RTOL, HTOL), Babban Zafin Rayuwar Aiki na Damp (WHTOL), Girgizar Zafi (TMSK), Juriyar Zafin Solder (Reflow), da Solderability. Duk gwaje-gwaje sun nuna gazawa 0 daga cikin samfuran 10 a ƙarƙashin ƙayyadaddun yanayi. Ma'aunin yanke hukunci na'urar a matsayin ta gaza bayan gwaji shine canji a cikin ƙarfin lantarki na gaba (Vf) fiye da ±10% ko canji a cikin ƙarfin haske (Φe) fiye da ±30% na ƙimar al'ada ta farko.

10. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tushen hasken UV na gargajiya kamar fitilun baka na mercury, wannan UV LED yana ba da fa'idodi daban-daban: ikon kunna/kashe nan take, babu lokacin dumama, tsawon rayuwa (yawanci dubunnan sa'o'i), mafi ingantaccen amfani da makamashi, babu abun ciki na mercury mai haɗari, da ƙaramin girman da ke ba da damar sabbin siffofi. Idan aka kwatanta da sauran LED ɗin UV, takamaiman haɗin tsayin raƙuman ruwa na 385nm, babban ƙarfin haske na al'ada (600mW), faɗin kusurwar kallo na digiri 130, da ƙaƙƙarfan fakitin tare da kushin zafi mai keɓe don sanyaya mai inganci sun zama bambance-bambancensa na asali. Cikakken tsarin binning kuma yana ba da damar daidaitaccen daidaito a cikin ƙirar tsarin idan aka kwatanta da madadin da ba a binne su ba ko sako-sako.

11. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

Q: Wane yanzu na direba ya kamata in yi amfani da shi?

A: An siffata na'urar a 350mA, wanda shine wurin aiki na al'ada wanda ke ba da daidaitaccen daidaito na fitarwa da inganci. Ana iya tuka shi har zuwa Matsakaicin Matsayi na 500mA, amma wannan zai ƙara zafin haɗin gwiwa kuma yana iya rage tsawon rayuwa; ingantaccen sarrafa zafi yana da mahimmanci.

Q: Ta yaya zan fassara ƙimar Ƙarfin Hasken?

A: Ƙarfin Hasken (Φe) shine jimillar ƙarfin gani da aka fitar a cikin watts (ko milliwatts), wanda aka auna a duk tsayin raƙuman ruwa. Ga wannan UV LED, yana wakiltar ƙarfin UV mai amfani, ba hasken gani ba. Ma'auni ne mai mahimmanci don ƙididdige allurar bayyanawa (Makamashi = Ƙarfi × Lokaci) a cikin aikace-aikacen curing.

Q: Me yasa sarrafa zafi yake da mahimmanci haka?

A: Kamar yadda aka nuna a cikin lankwasa "Dangantakar Ƙarfin Hasken vs. Zafin Haɗin Gwiwa", ƙarfin fitarwa yana raguwa yayin da zafin jiki ya ƙaru. Yawan zafin jiki kuma yana haɓaka hanyoyin lalacewa a cikin LED, yana rage tsawon rayuwarsa sosai. Juriyar zafi na 13.2 °C/W yana ayyana yadda za a iya cire zafi yadda ya kamata.

Q: Shin zan iya amfani da wutar lantarki mai ƙarfin lantarki?

A: A'a. Ƙarfin lantarki na gaba na LED yana bambanta da zafin jiki da tsakanin raka'a ɗaya. Tushen ƙarfin lantarki na iya haifar da guduwar zafi, inda ƙarin yanzu ya haifar da ƙarin zafi, wanda ke rage Vf, yana haifar da ƙarin yanzu, yana iya lalata LED. Koyaushe yi amfani da direba mai yanzu.

12: Nazarin Shari'ar Ƙira da Amfani

Yanayi: Ƙirar tashar UV curing na benci don kariyar solder na PCB.

Mai ƙira yana buƙatar bayyanar UV iri ɗaya akan yanki na 10cm x 10cm. Ta amfani da LTPL-C034UVD385 tare da kusurwar kallonsa na 130°, za su iya ƙididdige tsayin da ake buƙata da tazarar jeri na LED ɗin don cimma irradiance daidai. Suna zaɓar LED ɗin daga kwandon ƙarfin haske na R5 ko R6 don ƙarin ƙarfi, kuma daga kwandon Vf ɗaya (misali, V1) don daidaitaccen jan yanzu lokacin da aka haɗa su a jere. An zaɓi direba mai yanzu wanda ke iya isar da jimillar yanzu da ake buƙata don jerin jerin. An ƙera PCB na aluminum tare da shimfidar kushin da aka ba da shawara, wanda ya haɗa da babban zubar da tagulla da ramukan zafi da aka haɗa zuwa wani kushin zafi na waje tare da fanfo. An shirya siffar reflow daga takardar bayani a cikin injin zaɓi da wuri. Bayan haɗawa, tashar tana ba da curing nan take, daidaitacce ba tare da zafi da ozone da ke da alaƙa da fitilun mercury ba.

13. Gabatarwa da Ka'idar Aiki

LED diode ne na haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, ana sakin makamashi a cikin nau'in photons (haske). Tsayin raƙuman ruwa (launi) na hasken da aka fitar an ƙaddara shi ta hanyar tazarar band na kayan semiconductor da aka yi amfani da su a yankin aiki. Ga LTPL-C034UVD385, takamaiman mahadi na semiconductor (yawanci bisa aluminum gallium nitride - AlGaN) an ƙera su don samun tazarar band daidai da photons a cikin kewayon ultraviolet (UV-A) na 385nm. Fakitin ya haɗa da na'urar gani ta farko (ruwan tabarau) don siffata fitarwar haske da kare guntun semiconductor.

14. Trends na Fasaha da Hangen Nesa

Kasuwar UV LED tana motsa ta hanyar kawar da fitilun da ke da mercury a duniya (Yarjejeniyar Minamata) da buƙatar ƙarin ingantattun tushen haske, ƙanƙanta, da sarrafawa. Manyan abubuwan da ke faruwa sun haɗa da ci gaba da inganta Ingantaccen Ingantaccen Bango (WPE), wanda shine rabo na ƙarfin fitarwa na gani zuwa ƙarfin shigar da lantarki. Mafi girman inganci yana nufin ƙarancin zafi don fitarwar UV iri ɗaya. Har ila yau, ana ci gaba da haɓakawa don haɓaka matsakaicin ƙarfin gani a kowane fakitin LED ɗaya da inganta aminci da tsawon rayuwa a manyan yanayin zafi da igiyoyin ruwa. Bugu da ƙari, bincike yana mai da hankali kan faɗaɗa kewayon tsayin raƙuman ruwa da ake samu, musamman zuwa cikin zurfin bakan UV-C don aikace-aikacen kashe ƙwayoyin cuta, ko da yake ana buƙatar kayan daban-daban kamar aluminum nitride (AlN). Hanyar zuwa haɗin kai na tsarin, haɗa LED, direbobi, da na'urori masu auna firikwensin cikin ingantattun sassa, shima yana bayyana.