IR29-01C/L510/R/TR8 LED Takardar Bayani - 1.2mm Zagaye SMD - 1.6V Gaba Voltage - 940nm Infrared - 100mW Ikon - Takardar Fasaha ta Turanci

1. Bayanin Samfur

IR29-01C/L510/R/TR8 wani subminiature ne, side-looking infrared (IR) mai fitar da diode wanda aka tsara don aikace-aikacen saman-mount. Yana da ƙaramin fakitin ƙarshe biyu da aka gyara a cikin ruwa-bayyananne filastik tare da madaidaicin tabarau na sama, wanda aka inganta don ingantaccen fitar da infrared. Fitarwar sa ta musamman ta dace da silicon photodiodes da phototransistors, yana mai da shi tushen da ya dace don tsarin gano IR. Babban fa'idodinsa sun haɗa da ƙaramin siffa, ƙananan gaba voltage, da bin ka'idojin muhalli na zamani kamar RoHS, REACH, da buƙatun marasa halogen.

1.1 Siffofi na Cibiyar da Kasuwar Manufa

Mahimman siffofi na wannan ɓangaren sun haɗa da ƙaramin fakitin SMD, wanda ke sauƙaƙe ƙirar PCB mai girma. Ƙananan gaba voltage yana ba da gudummawa ga aiki mai inganci. Ana ba da shi akan tef 8mm da aka yi a kan reel mai diamita 7-inch, wanda ya dace da tsarin haɗawa na atomatik. Na'urar ba ta da gubar (Pb-free) kuma tana bin ƙa'idodin muhalli masu tsauri, gami da iyakoki akan bromine (Br) da chlorine (Cl) abun ciki. Wannan IR LED da farko ana nufin masu ƙira da injiniyoyi masu haɓaka tsarin tushen infrared kamar na'urori masu gano kusanci, gano abu, masu ɓoye bayanai, da kayan aikin watsa bayanai inda ingantaccen, daidaitaccen fitar da IR yake da mahimmanci.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

Wannan sashe yana ba da cikakken bincike na halayen lantarki, na gani, da na zafi na na'urar kamar yadda aka ayyana a cikin takardar bayani.

2.1 Matsakaicin Matsakaicin Matsakaici

Matsakaicin Matsakaicin Matsakaici yana ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa na dindindin ga na'urar. Waɗannan ba yanayin aiki ba ne.

• Ci gaba da Gaba Current (IF):50 mA. Wannan shine matsakaicin DC na yanzu wanda za'a iya amfani da shi akai-akai zuwa LED.
• Kololuwar Gaba Current (IFP):500 mA. Wannan babban yanzu yana halatta ne kawai a ƙarƙashin yanayin bugun jini tare da faɗin bugun jini ≤ 100 μs da cikakken aiki ≤ 1%. Wannan ƙimar yana da amfani don aikace-aikacen da ke buƙatar gajeriyar, ƙwararrun bugun jini.
• Juyawa Voltage (VR):5 V. Wuce wannan juyawa bias voltage na iya haifar da rushewar haɗin gwiwa.
• Aiki & Ma'adana Temperature (Topr, Tstg):-40°C zuwa +100°C. Wannan faɗin kewayon yana tabbatar da amincin a cikin mawuyacin yanayi.
• Solder Temperature (Tsol):260°C na matsakaicin 5 seconds, yana ayyana bayanin martabar sake kunnawa.
• Rushewar Ikon (Pc):100 mW a ko ƙasa da 25°C yanayin yanayi. Wannan ma'auni yana da mahimmanci don ƙirar sarrafa zafi.

2.2 Halayen Lantarki-Gani

Halayen Lantarki-Gani (Na yau da kullun a Ta=25°C) suna ayyana aikin da ake tsammani a ƙarƙashin yanayin aiki na al'ada.

• Ƙarfin Radiant (IE):Yawanci 25 mW/sr a IF=20mA, da 100 mW/sr a IF=70mA (bugun jini). Ƙarfin Radiant yana auna ikon gani da aka fitar kowane kusurwa mai ƙarfi, yana nuna haske na tushen IR.
• Kololuwar Tsawon Zango (λp):940 nm. Wannan shine tsawon zango wanda aka fitar da ikon gani ya fi girma, daidai da madaidaicin hankali na na'urorin gano silicon na gama gari.
• Bandwidth na Spectral (Δλ):Yawanci 30 nm. Wannan yana ayyana kewayon tsawon zango da aka fitar, a tsakiya a kusa da kololuwar tsawon zango.
• Gaba Voltage (VF):Yawanci 1.30V, tare da matsakaicin 1.60V a IF=20mA. A IF=70mA (bugun jini), yawanci 1.50V tare da matsakaicin 2.00V. Wannan ƙananan VF yana da amfani don ƙirar da'irar ƙananan ƙarfin lantarki.
• Juyawa Current (IR):Matsakaicin 10 μA a VR=5V, yana nuna ingantaccen ingancin haɗin gwiwa.
• Kusurwar Dubawa (2θ1/2):Digiri 15. Wannan ƙunƙuntacciyar kusurwar dubawa tana nuna katako mai mai da hankali, wanda shine halayen LED masu kallon gefe tare da tabarau, mai amfani don aikace-aikacen IR da aka jagoranta.

3. Bincike na Lanƙwasa Aiki

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

3.1 Gaba Current vs. Yanayin Yanayi

Wannan jadawali yana nuna raguwar matsakaicin izinin gaba na yanzu yayin da yanayin yanayi ya karu. Don hana zafi da tabbatar da amincin dogon lokaci, dole ne a rage gaba na yanzu lokacin aiki sama da 25°C. Lanƙwasa yawanci yana nuna raguwa mai layi daga ƙimar yanzu a 25°C zuwa sifili a matsakaicin zafin haɗin gwiwa.

3.2 Ƙarfin Radiant vs. Gaba Current

Wannan makircin yana kwatanta alaƙa tsakanin yanzun tuƙi (IF) da ikon fitarwa na gani (Ƙarfin Radiant). Gabaɗaya yana da layi a cikin kewayon aiki na al'ada, yana tabbatar da cewa fitarwar gani ta dace da yanzu kai tsaye. Koyaya, a manyan yanayi masu yawa, inganci na iya raguwa saboda tasirin zafi.

3.3 Gaba Current vs. Gaba Voltage

Wannan lanƙwasa IV yana kwatanta alaƙar exponential na yau da kullun na diode. "Gwiwa" voltage yana kusa da ƙimar VF ta yau da kullun. Fahimtar wannan lanƙwasa yana da mahimmanci don ƙirar da'irar tuƙi mai iyakance yanzu.

3.4 Rarraba Spectral

Wannan jadawali yana nuna ikon Radiant na dangi a matsayin aikin tsawon zango, a tsakiya a 940 nm tare da ƙayyadaddun bandwidth. Yana tabbatar da daidaitawar spectral zuwa na'urorin gano silicon, waɗanda ke da madaidaicin hankali a cikin kewayon 800-1000 nm.

3.5 Ƙarfin Radiant na Dangi vs. Matsawar Angular

Wannan makircin polar yana ayyana tsarin radiation ko bayanin katako na LED. An tabbatar da kusurwar dubawa na digiri 15 (cikakken faɗi a rabin matsakaici, FWHM) a nan. Ƙirar kallon gefe tare da tabarau yana haifar da wannan tsarin fitarwa na jagora, wanda ke da mahimmanci don daidaita LED tare da mai gano a cikin taron na'urar gani.

4. Bayanin Injiniya da Fakitin

4.1 Girman Fakitin

Na'urar ita ce fakitin SMD subminiature zagaye 1.2mm. Cikakken zanen girma yana ƙayyadadden duk mahimman ma'auni gami da diamita jiki, tsayi, tazarar jagora, da girman kushin. Mahimman ƙimar ƙima yawanci ±0.1mm sai dai idan an lura daban. Daidaitattun girma suna da mahimmanci don ƙirar sawun PCB da tabbatar da ingantaccen wuri yayin haɗawa.

4.2 Ganewar Polarity

Ana nuna cathode ta hanyar alamar gani akan fakitin, kamar notch, gefe mai lebur, ko alama kore. Zanen girma na takardar bayani ya kamata a nuna wannan fasalin ganewa a fili don hana juyawa mounting yayin haɗawa.

4.3 Carrier Tape da Girman Reel

Ana ba da samfurin a cikin tef mai faɗi 8mm mai ɗaukar hoto akan reel mai diamita 7-inch. Takardar bayani tana ba da cikakkun zane-zane na girman aljihu, faranti, da ƙayyadaddun reel. Wannan marufi yana goyan bayan kayan aikin haɗawa mai sauri ta atomatik. Reel na yau da kullun yana ƙunshe da guda 1500.

5. Jagororin Solder da Haɗawa

Ingantaccen sarrafawa da solder suna da mahimmanci don kiyaye aikin na'urar da amincin.

5.1 Bayanin Martabar Solder na Reflow

Ana ba da shawarar bayanin martabar zafin jiki na solder reflow maras gubar (Pb-free). Matsakaicin zafin jiki bai kamata ya wuce 260°C ba, kuma lokacin da ya wuce 240°C ya kamata a iyakance (yawanci zuwa dakika 5 kamar yadda matsakaicin matsakaicin ƙimar ya nuna). Dole ne a sarrafa matakan dumama, jiƙa, sake kunnawa, da sanyaya don rage girgizar zafi. Bai kamata a yi solder reflow fiye da sau biyu ba.

5.2 Solder na Hannu

Idan solder na hannu ya zama dole, dole ne a yi taka tsantsan. Zafin ƙarshen guntun solder ya kamata ya kasance ƙasa da 350°C, kuma lokacin tuntuɓar kowane tasha ya kamata a iyakance zuwa dakika 3 ko ƙasa da haka. Ana ba da shawarar ƙaramin ƙarfe (≤25W). Ba da isasshen lokacin sanyaya tsakanin solder kowane jagora don hana lalacewar zafi ga fakitin filastik.

5.3 Ma'adana da Hankalin Danshi

LEDs an yi su ne a cikin jakar kariya daga danshi tare da desiccant. Mahimman matakan kariya sun haɗa da:

• Kada ku buɗe jakar har sai an shirya don amfani.
• Ajiye jakunkunan da ba a buɗe ba a ≤30°C da ≤60% RH.
• Yi amfani da su cikin shekara guda bayan jigilar kaya.
• Bayan buɗewa, yi amfani da abubuwan cikin sa'o'i 168 (kwanaki 7) a ƙarƙashin yanayin ajiya iri ɗaya.
• Idan lokacin ajiya ya wuce ko desiccant ya nuna danshi, ana buƙatar maganin gasa a 60±5°C na aƙalla awanni 24 kafin solder don hana tasirin "popcorn" yayin sake kunnawa.

6. Bayanin Marufi da Oda

6.1 Hanyar Tattarawa

Abubuwan an tattara su a cikin jakar laminar aluminum mai kariya daga danshi mai ɗauke da desiccant. An yiwa jakar lakabin da mahimman bayanai gami da lambar sashi (P/N), yawa (QTY), lambar kuri'a (LOT No.), da sauran lambobin da suka dace kamar kololuwar tsawon zango (HUE).

6.2 Jagoran Zaɓin Na'ura

Na'urar ta musamman, IR29-01C/L510/R/TR8, tana amfani da kayan chip na Gallium Aluminum Arsenide (GaAlAs) da ruwa-bayyananne ruwan tabarau. Lambar sashi da kanta mai yiwuwa tana ɓoye mahimman halaye: IR don Infrared, 29 na iya nufin jerin ko girman, 01C na iya zama lambar bambance-bambance, L510 na iya nuna kwandon kololuwar tsawon zango, R don marufi na reel, da TR8 don tef 8mm.

7. Shawarwari na Aikace-aikace

7.1 Yanayin Aikace-aikacen Yau da Kullun

Wannan IR LED ya dace da fa'ida mai yawa na aikace-aikacen gano infrared da watsawa, gami da:

• Gano Kusanci da Kasancewa:Ana amfani da su a cikin famfo na atomatik, masu rarraba sabulu, busassun hannu, da maɓallan marasa taɓawa.
• Gano Abubuwa da Ƙidaya:A cikin injinan sayar da kaya, sarrafa kai na masana'antu, da tsarin bel ɗin isar da kaya.
• Masu ɓoye Bayanai na Gani:Don matsayi da hanzarin gani a cikin injuna da kayan aikin juyawa.
• Watsa Bayanai na IR:A cikin raka'a na sarrafa nesa da hanyoyin haɗin gwiwa na gajeren zango (yana buƙatar daidaitaccen daidaitawa).
• Tsarin Tsaro:A matsayin tushen haske mara ganuwa don kyamarori na dare da na'urori masu gano katako.

7.2 Abubuwan Ƙira da Kariyar Da'ira

Iyakance Yanzu Wajibi Ne:Kamar yadda aka faɗakar da shi a fili a cikin takardar bayani, dole ne a yi amfani da resistor mai iyakance yanzu na waje a cikin jerin tare da LED. Gaba voltage yana da mummunan ƙimar zafin jiki (yana raguwa yayin da zafin jiki ya tashi). Ba tare da resistor ba, ƙaramin ƙaruwa a cikin wadata voltage ko raguwa a cikin VF saboda dumama zai iya haifar da babban, maras sarrafawa ƙaruwa a cikin yanzu, yana haifar da guduwar zafi nan da nan da gazawar na'urar.

Ƙirar Da'irar Direba:Don aikin DC, resistor na jerin sauƙi da aka ƙididdige ta amfani da Dokar Ohm (R = (Vcc - VF) / IF) ya isa. Don aikin bugun jini don cimma mafi girman ƙarfin kololuwa, ana iya amfani da transistor ko MOSFET mai canzawa wanda janareta bugun jini ke tuƙa. Tabbatar cewa faɗin bugun jini da cikakken aiki sun tsaya a cikin ƙayyadaddun iyakoki (≤100μs, ≤1%).

Daidaituwar Gani:Ƙunƙuntaccen katako na digiri 15 yana buƙatar daidaitawar injiniya a hankali tare da mai karɓar photodetector don haɓaka ƙarfin siginar. Yi la'akari da jadawalin tsarin radiation lokacin ƙirar gidan na'urar gani.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun fitattun IR LED, fakitin kallon gefe (ko kallon gefe) na IR29-01C yana ba da fa'ida ta musamman a aikace-aikacen da PCB dole ne a ɗora shi daidai da jirgin sama na gani. Wannan yana kawar da buƙatar bututun haske ko ƙarin na'urori na gani don canza katako da digiri 90, yana sauƙaƙe ƙirar injiniya da rage adadin abubuwan. Tsawon zango na 940nm yana ba da daidaiton daidaito tsakanin hankalin mai gano silicon da ƙananan ganuwa idan aka kwatanta da tushen 850nm, yana mai da shi ƙasa da lura a cikin aiki. Girman ƙaramin girman 1.2mm yana ba da damar ƙirar na'urar gani sosai.

9. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q1: Me yasa resistor mai iyakance yanzu ya zama dole?
A1: Halayen I-V na LED yana da ƙima. Ƙaramin canji a cikin gaba voltage (wanda kansa yana raguwa tare da zafin jiki) zai iya haifar da babban canji a cikin yanzu. Ba tare da resistor na jerin don daidaita yanzu ba, guduwar zafi yana faruwa, yana lalata LED cikin sauri.

Q2: Shin zan iya tuƙi wannan LED kai tsaye daga fil ɗin microcontroller 3.3V ko 5V?
A2: A'a. Fil ɗin microcontroller suna da iyakacin ikon samar da yanzu / nutsewa (sau da yawa 20-40mA matsakaici) kuma ba a tsara su don tuƙi LED kai tsaye ba. Koyaushe yi amfani da da'irar direba (misali, transistor) wanda fil ɗin MCU ke sarrafawa, tare da resistor mai iyakance yanzu a cikin jerin tare da LED.

Q3: Menene bambanci tsakanin Ƙarfin Radiant (mW/sr) da Ƙarfin Hasken (mcd)?
A3: Ƙarfin Hasken (wanda aka auna a cikin candela) yana da nauyi ta hankalin idon ɗan adam (lanƙwasa photopic), wanda kusan sifili ne a cikin bakan infrared. Ƙarfin Radiant yana auna ainihin ikon gani da aka fitar kowane kusurwa mai ƙarfi, yana mai da shi ma'aunin daidai don na'urorin IR da aka yi niyya don injin, ba ɗan adam ba, ganowa.

Q4: Ta yaya zan fassara kusurwar dubawa na digiri 15?
A4: Wannan shine Cikakken Faɗi a Rabin Matsakaici (FWHM) kusurwa. Ƙarfin Radiant ya fi girma a digiri 0 (madaidaici daga gefen fakitin) kuma ya faɗi zuwa 50% na matsakaicin ƙimarsa a ±7.5 digiri daga layin tsakiya, yana mai da cikakken faɗin katako digiri 15.

10. Ƙirar Aiki da Amfani na Aiki

Harka: Ƙirar Na'urar Gano Takarda Tawul.IR29-01C ɗan takara ne mai dacewa. Za a ɗora shi a gefen PCB yana fuskantar gefe a kan ramin bayarwa. Za a sanya phototransistor silicon da ya dace a ɗayan gefen. A ƙarƙashin yanayi na al'ada, ana gano katakon IR. Lokacin da hannu ya katse katako, microcontroller yana haifar da injin don rarraba tawul. Fakitin kallon gefe yana ba da damar a ɗora PCB a tsaye a bayan gaban allon, tare da LED da mai gano suna leƙo ta cikin ƙananan ramuka, yana haifar da ƙira mai kyau sosai. Tsawon zango na 940nm ba a ganuwa, don haka babu haske ja mai raɗaɗi. Dole ne mai ƙira ya ƙididdige madaidaicin resistor na jerin don yanzun tuƙi na 20mA daga layin tsarin 5V (R ≈ (5V - 1.3V) / 0.02A = 185Ω, ƙimar daidaitaccen 180Ω ko 200Ω zai dace).

11. Gabatarwar Ka'ida

Infrared Light Emitting Diode (IR LED) wani semiconductor p-n haɗin diode ne wanda ke fitar da hasken infrared mara ganuwa lokacin da aka yi masa bambanci a cikin hanyar gaba. Electrons suna sake haɗuwa tare da ramuka a cikin na'urar, suna sakin makamashi a cikin nau'in photons. Tsawon zango na hasken da aka fitar yana ƙaddara ta hanyar bandgap na makamashi na kayan semiconductor. Don IR29-01C, ana amfani da tsarin kayan Gallium Aluminum Arsenide (GaAlAs) don samar da photons tare da kololuwar makamashi daidai da tsawon zango 940nm. Fakitin epoxy mai ruwa-bayyananne yana aiki azaman tabarau, yana siffata hasken da aka fitar zuwa katako mai mai da hankali. An cimma ginin kallon gefe ta hanyar ɗora guntuwar semiconductor a gefensa a cikin fakitin, yana haifar da fitar da haske daidai da jirgin sama na PCB.

12. Trends na Ci gaba

Trend a cikin ƙananan IR LED kamar IR29-01C yana zuwa ga ƙananan girman fakitin (misali, fakitin ma'auni na guntu), mafi girman ƙarfin Radiant da inganci, da faɗin kewayon zafin jiki na aiki don tallafawa aikace-aikacen mota da masana'antu. Haɗin kai wani muhimmin al'ada ne, tare da na'urori masu haɗa mai fitar da IR, direba, kuma wani lokacin mai gano gani zuwa cikin na'ura guda ɗaya. Akwai kuma mayar da hankali kan inganta saurin (ƙarfin daidaitawa) don aikace-aikacen sadarwar bayanai kamar Ƙungiyar Bayanai ta IR (IrDA) da sarrafa nesa na kayan lantarki na mabukaci. Bugu da ƙari, ci gaba yana ci gaba da haɓaka amincin da ƙarfi akan fitar da lantarki (ESD) da mawuyacin yanayin muhalli.