Takardar Bayanin Fasaha ta LTPL-C034UVE365 UV LED - 3.7x3.7x1.6mm - 3.7V - 2W - 365nm - Hausa

1. Bayyani Game da Samfur

LTPL-C034UVE365 babban na'urar fitilar haske ce ta ultraviolet (UV) wacce aka tsara don aikace-aikacen haske mai ƙarfi da ke buƙatar fitar da hasken UV-A. Wannan samfurin yana wakiltar madadin tushen hasken UV na gargajiya mai inganci da dogaro, yana ba da fa'idodi masu mahimmanci dangane da tsawon rayuwar aiki, farashin kulawa, da sassaucin ƙira. Babban aikace-aikacensa shine a cikin hanyoyin gyaran UV, inda ingantaccen fitar da hasken UV ke da mahimmanci don fara halayen photochemical a cikin mannewa, tawada, da kuma sutura. An ƙera na'urar don samar da ingantaccen aiki a cikin kewayon zafin jiki mai faɗi, wanda ya sa ya dace da haɗawa cikin kayan aikin masana'antu da na kasuwanci.

1.1 Siffofi da Fa'idodi Masu Muhimmanci

LED ɗin ya haɗa da siffofi da yawa na ci-gaba waɗanda ke ba da gudummawa ga ingantaccen aikin sa. Ya cika cikakke da umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari) kuma ana yin shi ta hanyar amfani da hanyoyin da ba su da gubar, yana tabbatar da amincin muhalli. An ƙera na'urar don dacewa da tsarin tuƙi na kewayawa (IC), yana sauƙaƙe sarrafa lantarki da haɗawa. Babban fa'ida shine raguwa mai mahimmanci a cikin farashin aiki da kulawa idan aka kwatanta da fitilun UV na gargajiya, saboda LEDs suna cinye ƙarancin wutar lantarki kuma suna da tsawon rayuwar aiki ba tare da buƙatar sauya kwan fitila akai-akai ba.

2. Zurfin Bincike Kan Cikakkun Bayanan Fasaha

Wannan sashe yana ba da cikakken bincike na ainihi game da mahimman sigogi na fasaha na na'urar kamar yadda aka ayyana a cikin matsakaicin ƙimar ƙima da halayen lantarki-haske.

2.1 Matsakaicin Ƙimar Ƙima

An ƙayyade na'urar don yin aiki cikin aminci a cikin waɗannan iyakoki na cikakke, waɗanda bai kamata a wuce su yayin ƙirar aikace-aikace ba. Matsakaicin ci gaba na yanzu (If) shine 500 mA. Matsakaicin amfani da wutar lantarki (Po) shine Watts 2. Kewayon zafin yanayin aiki (Topr) daga -40°C zuwa +85°C, yayin da kewayon zafin ajiya (Tstg) ya faɗaɗa daga -55°C zuwa +100°C. Matsakaicin zafin haɗin gwiwa (Tj) shine 125°C. Yana da mahimmanci a lura cewa dogon aiki a ƙarƙashin yanayin jujjuyawar baya na iya haifar da lalacewa na dindindin ko gazawar ɓangaren.

2.2 Halayen Lantarki-Haske a 25°C

Ana auna ma'auni na aiki na ainihi a ƙarƙashin daidaitattun yanayin gwaji tare da ci gaba na yanzu na 350mA da zafin yanayi na 25°C. Ƙarfin lantarki na gaba (Vf) yana da ƙimar al'ada na 3.7V, tare da mafi ƙanƙanta 2.8V da matsakaicin 4.4V. Fitilar haske (Φe), wanda shine jimillar ƙarfin haske da aka auna tare da kewayon haɗawa, yana da ƙimar al'ada na milliwatts 600 (mW), daga mafi ƙanƙanta 470 mW zuwa matsakaicin 770 mW. Matsakaicin tsawon zango (Wp) yana tsakiya a 365nm, tare da ƙayyadadden kewayon daga 360nm zuwa 370nm. Kusurwar kallo (2θ1/2), wanda ke ayyana yaduwar kusurwar fitar da hasken, yawanci digiri 130 ne. Juriya na zafi daga haɗin gwiwa zuwa wurin solder (Rthjs) yawanci 9.1 °C/W ne, tare da ƙimar auna na ±10%.

3. Bayanin Tsarin Lambar Kwandon

Tsarin masana'antu yana haifar da bambance-bambance na halitta a cikin mahimman sigogi. Don tabbatar da daidaito ga masu amfani na ƙarshe, ana rarraba LEDs cikin kwandon aiki. Lambar kwandon da aka yiwa alama akan marufi yana ba masu ƙira damar zaɓar abubuwan da ke da halaye masu ƙarfi.

3.1 Rarraba Ƙarfin Lantarki na Gaba (Vf)

Ana rarraba LEDs zuwa kwandon ƙarfin lantarki huɗu (V0 zuwa V3) dangane da ƙarfin lantarki na gaba a 350mA. Kwandon V0 yana da ƙarfin lantarki tsakanin 2.8V da 3.2V, V1 tsakanin 3.2V da 3.6V, V2 tsakanin 3.6V da 4.0V, da V3 tsakanin 4.0V da 4.4V. Haƙuri don wannan rarrabuwar shine ±0.1V.

3.2 Rarraba Fitilar Haske (Φe)

Ƙarfin fitar da haske ana rarraba shi cikin rukuni shida da aka yiwa lakabi da AB har zuwa FG. Kwandon AB ya ƙunshi 470-510 mW, BC ya ƙunshi 510-550 mW, CD ya ƙunshi 550-600 mW, DE ya ƙunshi 600-655 mW, EF ya ƙunshi 655-710 mW, kuma kwandon FG ya ƙunshi mafi girman fitarwa na 710-770 mW. Haƙuri don auna fitilar haske shine ±10%.

3.3 Rarraba Matsakaicin Tsawon Zango (Wp)

Ana rarraba tsawon zango na fitar da UV zuwa ƙungiyoyi biyu. Kwandon P3M ya haɗa da LEDs tare da matsakaicin tsawon zango tsakanin 360nm da 365nm, yayin da kwandon P3N ya haɗa da waɗanda ke tsakanin 365nm da 370nm. Haƙuri don matsakaicin tsawon zango shine ±3nm.

4. Bincike Kan Lanƙwasa Aiki

Bayanan hoto suna ba da zurfin fahimta game da halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Dangantakar Fitilar Haske da Ci Gaba na Yanzu

Lanƙwasa ta nuna cewa fitilar haske tana ƙaruwa tare da ci gaba na yanzu a cikin dangantakar da ba ta layi ba. Yayin da fitarwa ke tashi da farko, ƙimar ƙaruwa tana raguwa a manyan igiyoyin ruwa saboda ƙaruwar tasirin zafi da raguwar inganci. Wannan jadawali yana da mahimmanci don tantance mafi kyawun igiyar tuƙi don daidaita fitar da haske da inganci da dumama na'urar.

4.2 Rarraba Siffofi na Dangi

Wannan makircin yana kwatanta rarraba ƙarfin siffofi na fitar da hasken UV. Yana tabbatar da yanayin ƙunƙuntaccen fitarwa na LED, tare da babban kololuwa a tsakiya kusan 365nm da ƙaramin fitarwa a wasu tsawon zango. Tsarkin siffofi yana da mahimmanci ga aikace-aikacen da ke da hankali ga takamaiman ƙarfin kunnawar UV.

4.3 Tsarin Tsarin Radiation (Kusurwar Kallo)

Zanen radiation na polar yana nuna rarraba sararin samaniya na ƙarfin haske. Matsakaicin kusurwar kallo na digiri 130 yana nuna faɗin tsarin fitarwa mai kama da lambertian. Wannan siffa tana da mahimmanci don tabbatar da daidaitaccen haske akan yankin da aka yi niyya a cikin aikace-aikacen gyara ko fallasa.

4.4 Ci Gaba na Yanzu da Ci Gaba na Ƙarfin Lantarki (Lanƙwasa I-V)

Wannan ainihin siffar lantarki tana nuna dangantakar ƙima tsakanin yanzu da ƙarfin lantarki. Siffar lanƙwasa an ƙaddara ta ta hanyar ilimin lantarki na semiconductor. Ƙarfin lantarki na gwiwa, inda yanzu ya fara tashi da ƙarfi, shine mahimmin sigogi don ƙirar da'irar tuƙi, yawanci kusa da ƙananan ƙarshen ƙayyadaddun Vf.

4.5 Dangantakar Fitilar Haske da Zafin Haɗin Gwiwa

Wannan lanƙwasa mai mahimmanci tana nuna mummunan tasirin hawan zafin haɗin gwiwa akan fitar da haske. Yayin da zafin haɗin gwiwa ya ƙaru, fitilar haske tana raguwa. Gangaren wannan lanƙwasa yana ƙididdige ƙimar raguwar zafi, wanda dole ne a yi la'akari da shi a cikin ƙirar tsarin sarrafa zafi don kiyaye ingantaccen aiki.

5. Bayanin Injiniya da Kunshi

5.1 Girman Bayyani

Na'urar tana da kunshin hawa sama. Mahimman girma sun haɗa da tsawon jiki da faɗin kusan 3.7mm, tsayin ruwan tabarau, da kuma tushe na yumbu. Duk ma'auni na layi suna cikin milimita. Haƙuri don yawancin girma shine ±0.2mm, yayin da tsayin ruwan tabarau da tsawon yumbu/faɗi suna da ƙaramin haƙuri na ±0.1mm. Filin zafi a ƙasan kunshin yana keɓancewa ta hanyar lantarki (tsaka tsaki) daga filayen lantarki na anode da cathode, yana ba da damar amfani da shi kawai don nutsewar zafi ba tare da haifar da gajeriyar lantarki ba.

5.2 Shawararriyar Tsarin Filin Haɗin PCB

An ba da cikakken zane don shawararriyar tsarin filin tagulla akan farantin da'ira (PCB). An inganta wannan shimfidar don ingantaccen solder, ingantaccen watsa zafi zuwa allon, da haɗin lantarki. Yin bin wannan sawun yana da mahimmanci don cimma ingantaccen haɗin gwiwa na solder da ingantaccen watsa zafi daga filin zafi zuwa filin ƙasa na PCB ko yankin heatsink na musamman.

6. Jagororin Solder da Taro

6.1 Bayanin Siffar Solder Reflow

An ƙayyade cikakken bayanin lokaci-zafin jiki don hanyoyin solder reflow. Mahimman sigogi sun haɗa da matakin preheat, hawan zafin jiki, matsakaicin zafin jiki wanda bai wuce 260°C da aka auna akan saman jikin kunshin ba, da kuma matakin sanyaya da aka sarrafa. Ba a ba da shawarar saurin sanyaya. An tsara bayanin don manne solder mara gubar (Pb-free). Ana ba da shawarar yin solder reflow har sau uku kuma a yi amfani da mafi ƙarancin zafin jiki wanda ke cimma ingantaccen solder.

6.2 Umarnin Solder na Hannu

Idan solder na hannu ya zama dole, zafin ƙarshen ƙarfe bai kamata ya wuce 300°C ba, kuma lokacin tuntuɓar kowane gubar ya kamata a iyakance zuwa matsakaicin dakika 2. Ya kamata a yi wannan aikin sau ɗaya kawai a kowane haɗin gwiwar solder don hana lalacewar zafi ga mutuwar LED da kayan kunshi.

6.3 Gargadi na Tsaftacewa da Sarrafawa

Idan ana buƙatar tsaftacewa bayan solder, kawai masu narkewa na barasa kamar isopropyl alcohol ne ya kamata a yi amfani da su. Dole ne a guji tsaftataccen ko maras ƙayyadaddun masu tsabtace sinadarai saboda suna iya lalata ruwan tabarau na LED ko kunshi. Ya kamata a kula da na'urar don guje wa fitar da lantarki mai tsauri (ESD), ko da yake ba a ba da takamaiman ƙimar ESD a cikin wannan takardar bayanin ba.

7. Bayanin Kunshi da Oda

7.1 Kunshin Tepe da Reel

Ana ba da LEDs a cikin tepe mai ɗaukar kaya a kan reels don haɗawa da zaɓi da wuri ta atomatik. Girman tepe da tazarar aljihu sun yi daidai da ƙayyadaddun EIA-481-1-B. Reel ɗin daidaitaccen diamita ne na inci 7, yana iya ɗaukar matsakaicin guda 500. An rufe tepe tare da murfin saman don kare abubuwan. Ƙayyadaddun inganci suna ba da izinin mafi girman abubuwan da suka ɓace guda biyu a jere a cikin tepe.

8. Dogaro da Gwaji

Cikakken tsarin gwajin dogaro yana tabbatar da dogon lokacin aiki da ƙarfi na LED. Gwaje-gwaje sun haɗa da Rayuwar Aiki mai ƙarancin Zafi (LTOL a -30°C), Rayuwar Aiki na Zafin Dakin (RTOL), Rayuwar Aiki mai Zafi (HTOL a 85°C), Girgizar Zafi tsakanin -40°C da 125°C, Ajiyar Zafi mai Zafi, Juriya ga Zafin Solder (kwaikwayon reflow), da gwajin Solderability. An yi duk gwaje-gwaje akan girman samfurin tare da rahoton gazawar sifili, yana nuna babban aminci. Ma'anar hukunci don gazawa an ayyana shi azaman canji a cikin ƙarfin lantarki na gaba (Vf) fiye da ±10% na ƙimar sa ta farko ko canji a cikin fitilar haske (Φe) fiye da ±30% na ƙimar sa ta farko lokacin da aka auna shi a matsakaicin yanzu na aiki.

9. Shawarwari na Aikace-aikace da Abubuwan Ƙira

9.1 Yanayin Aikace-aikace na Al'ada

Babban aikace-aikace na wannan UV LED na 365nm shine a cikin tsarin gyaran UV don mannewa, tawada, guduro, da sutura a cikin masana'antu, bugu, da haɗa na'urorin lantarki. Sauran amfani mai yuwuwa sun haɗa da tada haske, gano jabu, kayan aikin likita da kimiyya, da tsarin tsarkake iska/ruwa inda hasken UV-A yake da tasiri.

9.2 Mahimman Abubuwan Ƙira

Gudanar da Zafi:Wannan shine kawai mafi mahimmancin abin ƙira. Matsakaicin juriya na zafi na 9.1 °C/W yana nufin cewa ga kowane watt na wutar lantarki da aka ɓata, zafin haɗin gwiwa zai tashi kusan 9.1°C sama da zafin wurin solder. Ingantaccen heatsink da aka haɗa zuwa filin zafi ya zama dole don kiyaye zafin haɗin gwiwa ƙasa da 125°C, musamman lokacin aiki a ko kusa da matsakaicin yanzu na 350-500mA. Mummunan ƙirar zafi zai haifar da raguwar lumen cikin sauri da rage tsawon rayuwa.

Ci Gaba na Yanzu:Ya kamata a tuka LED ta hanyar tushen yanzu na dindindin, ba tushen ƙarfin lantarki na dindindin ba, don tabbatar da ingantaccen fitar da haske da hana guduwar zafi. Matsakaicin wurin aiki da aka ba da shawarar shine 350mA don mafi kyawun inganci da tsawon rayuwa, ko da yake ana iya buga shi da manyan igiyoyin ruwa tare da daidaitattun zagayowar aiki.

Ƙirar Haske:Faɗin kusurwar kallo na digiri 130 na iya buƙatar na'urorin gani na biyu (ruwan tabarau ko masu nunawa) don daidaita ko mayar da hankali ga hasken UV akan yankin da aka yi niyya don ingantaccen gyara ko fallasa.

Dacewar Kayan:Doguwar fallasa ga radiation na UV na iya lalata robobi da polymers da yawa. Tabbatar cewa kayan da ke kewaye a cikin taron suna da kwanciyar hankali na UV.

10. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsoffin tushen hasken UV kamar fitilun mercury-vapor, wannan LED yana ba da fa'idodi daban-daban: ikon kunna/kashe nan take ba tare da lokacin dumama ba, tsawon rayuwar aiki mai mahimmanci (dubunnan sa'o'i), babu abun ciki mai haɗari na mercury, ƙaramin girman da ke ba da damar sifofi masu sassauƙa, da ƙarancin yawan amfani da wutar lantarki. A cikin kasuwar UV LED, mahimman bambance-bambance na wannan ɓangaren na musamman shine haɗuwa da ingantaccen fitar da haske (600mW na al'ada) a 365nm, ƙaƙƙarfan kunshinsa tare da filin zafi na musamman don mafi kyawun watsa zafi, da kuma cikakken tsarin kwandon sa wanda ke tabbatar da aikin da ake iya hasashen don samar da yawan gaske.

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

Q: Menene bambanci tsakanin fitilar haske (mW) da fitilar haske (lm)?

A: Fitilar haske tana auna jimillar ƙarfin haske a cikin watts, wanda ya dace da UV LEDs inda hankalin idon ɗan adam (amsa na hoto) bai dace ba. Fitilar haske tana auna hasken da ake gani da nauyin hankalin idon ɗan adam kuma ana amfani da shi don fitattun fitilun LED.

Q: Shin zan iya tuka wannan LED kai tsaye daga wadataccen 5V ko 12V?

A: A'a. LED ɗin yana buƙatar da'irar tuƙi ta yanzu na dindindin. Haɗa shi kai tsaye zuwa tushen ƙarfin lantarki zai haifar da wuce gona da iri na yanzu, dumama nan take, da lalata na'urar saboda ƙimar zafi mara kyau na diode.

Q: Ta yaya zan fassara lambobin kwandon lokacin yin oda?

A: Ƙayyade haɗin haɗin Vf, Φe, da Wp da ake buƙata dangane da buƙatun aikace-aikacenku don daidaiton ƙarfin lantarki, matakin fitar da haske, da daidaitaccen tsawon zango. Misali, oda na iya ƙayyade kwandon V1, DE, P3N don LEDs tare da Vf~3.4V, Φe~625mW, da Wp~367.5nm.

Q: Wane heatsink ake buƙata?

A: Juriya na zafi na heatsink da ake buƙata ya dogara da yanzu na aikin ku, zafin yanayi, da manufar zafin haɗin gwiwa. Ta amfani da dabara Tj = Ta + (Po * Rthjs) + (Po * Rth_heatsink), zaku iya ƙididdige aikin heatsink da ake buƙata. Po shine ƙarfin da aka ɓata (If * Vf).

12. Nazarin Ƙira da Amfani

Yanayi: Ƙirar Tsarin Gyaran Tabo na PCB.

Mai masana'antu yana buƙatar gyara ƙananan ɗigon mannewa na UV akan layin haɗa farantin da'ira. An ba da shawarar ƙira ta amfani da LEDs huɗu na LTPL-C034UVE365. Kowane LED ana tuka shi a 350mA na yanzu na dindindin ta hanyar takamaiman IC tuƙi, wanda ya haifar da ƙarfin lantarki na gaba kusan 3.7V da fitilar haske na 600mW a kowane LED. An ɗora LEDs akan ƙaramin PCB na gindin aluminum wanda ke aiki azaman heatsink. Ƙididdigar wutar lantarki da aka ɓata a kowane LED shine kusan 1.3W (0.35A * 3.7V). Tare da Rthjs na LED na 9.1 °C/W da kuma ƙiyasin heatsink (PCB) juriya na zafi na 15 °C/W zuwa yanayi, jimlar juriya na zafi shine 24.1 °C/W. A cikin yanayi na yanayi na 40°C, zafin haɗin gwiwa zai kasance Tj = 40°C + (1.3W * 24.1 °C/W) = 71.3°C, wanda ke cikin aminci ƙasa da matsakaicin 125°C. An shirya LEDs huɗu a cikin tsarin murabba'i tare da masu nunawa masu sauƙi don mayar da hankali ga haɗin gwiwar ƙarfin UV na 2.4W akan tabo mai diamita 5mm, yana ba da isasshen haske don saurin gyaran lokaci na dakika 2-3. Tsarin yana amfana daga aikin nan take, dogon tazara na kulawa, da ƙarancin amfani da wutar lantarki idan aka kwatanta da tsarin fitilar mercury na gargajiya.

13. Gabatarwa Kan Ka'idar Aiki

Wannan UV LED na'urar lantarki ce ta semiconductor dangane da tsarin kayan aluminum gallium nitride (AlGaN). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin gwiwar p-n, ana shigar da electrons da ramuka cikin yankin aiki. Waɗannan masu ɗaukar caji suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Takamaiman tsawon zango na waɗannan photons (365nm, a cikin band na UV-A) an ƙaddara shi ta hanyar ƙarfin bandgap na kayan semiconductor da aka yi amfani da su a cikin Layer aiki. Yanayin faɗin bandgap na gami da AlGaN yana ba da damar fitar da hasken ultraviolet mai ƙarfi. Hasken da aka samar yana tserewa ta hanyar ruwan tabarau na epoxy mai gani wanda aka tsara don kare mutuwar semiconductor da siffanta tsarin radiation.

14. Trends na Fasaha da Ci Gaba

Fagen UV LEDs yana ci gaba da sauri. Manyan abubuwan da suka faru sun haɗa da ci gaba da inganta ingancin bangon toshe (ƙarfin haske / ƙarfin lantarki), wanda ke rage samar da zafi da farashin makamashi. Akwai ci gaba da ci gaba don haɓaka matsakaicin ƙarfin fitarwa (fitilar haske) na masu fitarwa guda ɗaya da fakitin guntu da yawa. Binciken kuma yana mai da hankali kan faɗaɗa kewayon tsawon zango zuwa band na UV-C (200-280nm) don aikace-aikacen kashe ƙwayoyin cuta, ko da yake ƙalubalen inganci sun rage. Wani abin da ya faru shine inganta tsawon rayuwar na'urar da aminci a ƙarƙashin yanayin aiki mai zafi, mai zafi, wanda ke da mahimmanci don karɓar masana'antu. Fasahar kunshi tana ci gaba don samar da ƙananan juriya na zafi da ƙarin ingantattun hanyoyin sadarwa don yanayi mai tsauri. Yayin da yawan masana'antu ya ƙaru da inganci ya inganta, farashin kowane milliwatt na fitar da UV yana ci gaba da raguwa, yana sa mafita na tushen LED ya zama mai yuwuwa ta fuskar tattalin arziki ga kowane yanki mai faɗi da ake mulki da fitilun UV na gargajiya.