Bayanin Fasaha na LED Infrared LTE-3271B - Tsawon Ra'ayi 940nm - Babban Ƙarfi & Ƙarancin Ƙarfin Gaba - Ragewar Wutar 150mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTE-3271B babban LED infrared ne mai inganci wanda aka tsara don aikace-aikacen da ke buƙatar hasken infrared mai ƙarfi da inganci. Manufar ƙirarsa ta ta'allaka ne kan samar da babban ƙarfin haske yayin da yake riƙe da ƙarancin ƙarfin gaba, wanda ke taimakawa wajen inganta ingancin makamashi a cikin tsarin. An ƙera na'urar don ɗaukar babban ƙarfin bugun jini, wanda ya sa ya dace da aikace-aikace masu ƙarfi kamar sarrafa nesa, na'urori masu gano kusanci, maɓalli na gani, da tsarin sarrafa masana'antu inda ake buƙatar ƙaramin hasken infrared mai ƙarfi. Mai fitarwa yana aiki a tsayin ra'ayi na 940nm, wanda ke cikin kusancin infrared kuma ba a iya gani da sauƙi ga idon ɗan adam idan aka kwatanta da gajerun ra'ayoyi, yana rage gurbatar haske a cikin yanayi mai mahimmanci.

2. Bincike Mai zurfi na Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda za su iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da shawarar aiki a ko kusa da waɗannan iyakokin na tsawon lokaci. Manyan iyakoki sun haɗa da ci gaba na gaba (I_F) na 100mA da kuma kololuwar ƙarfin gaba na 2A a ƙarƙashin yanayin bugun jini (bugun jini 300 a kowace dakika, faɗin bugun jini 10μs). Matsakaicin ragewar wutar lantarki shine 150mW, wanda ke da mahimmanci ga sarrafa zafin jiki. Na'urar na iya aiki a cikin kewayon yanayin zafi daga -40°C zuwa +85°C kuma ana adana ta daga -55°C zuwa +100°C.

2.2 Halayen Lantarki da Gani

Ana auna waɗannan ma'auni a daidaitaccen yanayin gwaji na zafin yanayi 25°C da ƙarfin gaba na 20mA, sai dai idan an faɗi akasin haka. Ana rarraba aikin zuwa nau'ikan rukunoni daban-daban (A zuwa E), wanda shine al'ada gama gari don rarraba LED bisa halayen fitarwa.

• Ƙarfin Haske (I_E):Wannan yana auna ƙarfin hasken da ake fitarwa a kowace kusurwar ƙarfi (steradian). Ga Rukunin A, ƙimar al'ada ita ce 11.32 mW/sr, yayin da Rukunin E ke ba da mafi girman fitarwa na al'ada na 12.37 mW/sr. Wannan ma'auni yana da mahimmanci don tantance ƙarfin katakon IR.
• Ƙarfin Haske na Budewa (E_e):Wannan yana auna ƙarfin hasken da ke faruwa akan saman kowace yanki na yanki. Ƙimar ta bambanta daga 0.8 mW/cm² (Mafi ƙanƙanta, Rukunin A) zuwa 1.65 mW/cm² (Al'ada, Rukunin E).
• Tsayin Ra'ayi na Kololuwa (λ_P):Matsakaicin tsayin ra'ayi shine 940nm, tare da rabin faɗin bakan (Δλ) na 50nm, yana ayyana faɗin band na hasken infrared da ake fitarwa.
• Ƙarfin Gaba (V_F):Ragewar ƙarfin lantarki a kan LED a wani ƙarfi da aka bayar. A 50mA,V_Fyawanci 1.6V ne (matsakaici 1.85V). A mafi girman ƙarfin tuƙi na 500mA,V_Fyana ƙaruwa zuwa al'ada 2.3V (matsakaici 2.3V). Ƙarancin ƙarfin gaba a matsakaicin ƙarfi shine babban siffa da ke taimakawa wajen ingancin tsarin.
• Kusurwar Kallo (2θ_1/2):An ayyana shi azaman cikakken kusurwar da ƙarfin haske ya rabi na matsakaicin ƙarfi (a kan-axis). Wannan na'urar tana da faɗin kusurwar kallo na digiri 50, tana ba da haske mai faɗi, mai watsewa maimakon ƙunƙun katako.

3. Bayanin Tsarin Rarrabawa

LTE-3271B yana amfani da tsarin rarrabawa da farko bisa Ƙarfin Haske (I_E) da Ƙarfin Haske na Budewa (E_e). Rukunoni suna kewayo daga A zuwa E, tare da rukunoni masu mafi girman haruffa gabaɗaya suna nuna mafi girman ƙarfin fitarwa na gani. Misali, Rukunin A yana da al'adaI_Ena 11.32 mW/sr, yayin da Rukunin E yana da 12.37 mW/sr. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatun haske don aikace-aikacensu, yana tabbatar da daidaito a cikin rukunonin samarwa. Yana da mahimmanci a ƙayyade matakin rukunin da ake buƙata lokacin yin oda don tabbatar da matakin aiki da ake so.

4. Bincike na Lanƙwasa Aiki

Bayanin bayanan ya haɗa da jadawali masu yawa waɗanda ke nuna halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Rarraba Bakan (Hoto na 1)

Wannan lanƙwasa yana nuna ƙarfin haske na dangi a matsayin aiki na tsawon ra'ayi. Yana tabbatar da fitarwa mai kololuwa a 940nm da kuma kusan rabin faɗin bakan 50nm, yana nuna LED yana fitar da haske a cikin band na tsayin ra'ayoyin infrared da ke tsakiya a 940nm.

4.2 Ƙarfin Gaba da Ƙarfin Gaba (Hoto na 3)

Wannan lanƙwasa IV ba ta layi ba ce, ta al'ada ga diodes. Yana nuna yadda ƙarfin gaba ke ƙaruwa tare da ƙaruwar ƙarfin gaba. Lanƙwasa tana da mahimmanci don ƙirar da'irar iyakancewa don tabbatar da aiki mai ƙarfi ba tare da wuce matsakaicin ƙididdiga ba.

4.3 Ƙarfin Haske na Dangi da Ƙarfin Gaba (Hoto na 5)

Wannan jadawali yana nuna cewa fitarwar haske (ƙarfin haske na dangi) yana ƙaruwa tare da ƙarfin tuƙi. Duk da haka, dangantakar ba ta da cikakkiyar layi, musamman a manyan ƙarfi, saboda raguwar inganci da tasirin zafi.

4.4 Ƙarfin Haske na Dangi da Yanayin Yanayi (Hoto na 4)

Wannan lanƙwasa tana nuna ƙimar zafi mara kyau na fitarwar LED. Yayin da yanayin zafi ya tashi, ƙarfin haske yana raguwa. Wannan raguwar zafi wani muhimmin abu ne don aikace-aikacen da ke aiki a cikin yanayin zafi mai girma.

4.5 Jadawalin Radiation (Hoto na 6)

Wannan makircin polar yana wakiltar rarraba sararin samaniya na haske, yana tabbatar da kusurwar kallo na digiri 50. Ƙarfin yana da mafi girma a digiri 0 (a kan-axis) kuma yana raguwa daidai gwargwado zuwa rabin ƙarfi a ±25 digiri.

5. Bayanin Injiniya da Kunshin

Na'urar tana amfani da daidaitaccen kunshin rami. Muhimman bayanan girma sun haɗa da: duk girmansu suna cikin milimita, tare da juzu'in gabaɗaya na ±0.25mm. Jagororin suna da tazara inda suka fito daga jikin kunshin. An ba da izinin ƙaramar fitowar guduro a ƙarƙashin flange, tare da matsakaicin tsayi na 1.5mm. Girman jiki yana da mahimmanci don shimfidar PCB, yana tabbatar da dacewa da daidaito a cikin aikace-aikacen da aka yi niyya.

6. Jagororin Solder da Taro

Matsakaicin matsakaicin ƙididdiga suna ƙayyade cewa za a iya siyar da jagororin a zafin jiki na 260°C na tsawon dakika 5, ana auna shi a nisan 1.6mm daga jikin kunshin. Wannan shine daidaitaccen ƙima don tsarin solder na igiyar ruwa ko na hannu. Yana da mahimmanci a bi wannan iyaka don hana lalacewar zafi ga die semiconductor na ciki da kayan ruwan tabarau na epoxy. Yayin dawo da solder (idan ya dace da bambance-bambancen saman-saman, ko da yake wannan wani ɓangare ne na rami), bayanin martaba wanda ke guje wa wuce wannan zafin jiki a mahadar jagora yana da mahimmanci. Ya kamata a koyaushe a bi hanyoyin sarrafa ESD (Fitarwa na Lantarki) yayin taro.

7. Bayanin Kunshin da Oda

Ana sanya na'urori cikin jakunkuna. Kowace jakar tana ƙunshe da guda 1000 (pcs/Jaka). Ana sanya waɗannan jakunkuna cikin akwatunan ciki, tare da jakunkuna 8 a kowace akwati na ciki. A ƙarshe, ana sanya akwatunan ciki 8 cikin wani akwati na waje. Don haka, jimillar adadin kowace akwatin jigilar kaya na waje shine guda 64,000 (1000 pcs/jaka * 8 jakunkuna/akwati * 8 akwatuna/waje = 64,000 pcs). Lambar sashi ita ce LTE-3271B. Dole ne a ƙayyade takamaiman matakin rukunin (A, B, C, D, ko E) a matsayin wani ɓangare na lambar oda don karɓar matakin aiki da ake so.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikacen Al'ada

• Sarrafa Nesa na Infrared:Babban ƙarfin bugun jini da tsayin ra'ayi na 940nm sun sa ya dace don watsa siginonin lamba zuwa TV, tsarin sauti, da sauran kayan aiki.
• Gano Kusanci da Kasancewa:Haɗe tare da mai gano hoto, ana iya amfani da shi a cikin famfo na atomatik, busassun hannu, tsarin tsaro, da gano abu.
• Maɓalli na Gani da Maɓalli:Ana amfani da su don ƙirƙirar na'urori masu katsewa ko nuna haske don ƙidaya, gano matsayi, da auna sauri.
• Sarrafa Masana'antu:Don hasken hangen nesa na inji, sikanin barcode, da tsarin daidaitawa a cikin masana'antu.
• Hasken Dare:Samar da haske na ɓoye don kyamarori na tsaro waɗanda ke da na'urori masu hankali ga IR.

8.2 Abubuwan Ƙira

• Tukin Yanzu:Koyaushe yi amfani da resistor mai iyakancewa na jeri ko da'irar direba mai tsayayye. Ya kamata a ƙididdige ƙimar bisa ƙarfin wadata, ƙarfin gaba da ake so (I_F), da ƙarfin gaba (V_F) daga bayanan bayanai, la'akari da bambancinsa tare da ƙarfi da zafin jiki.
• Gudanar da Zafi:Ko da yake ragewar wutar lantarki shine 150mW matsakaici, tabbatar da isasshen nutsewar zafi ko iska yana da mahimmanci, musamman lokacin aiki a manyan ƙarfi na ci gaba ko a cikin manyan yanayin zafi, don kiyaye aiki da tsawon rai.
• Ƙirar Gani:Faɗin kusurwar kallo na digiri 50 yana ba da haske mai watsewa. Don aikace-aikacen da ke buƙatar katako mai mai da hankali, ƙila ana buƙatar na'urori na gani na biyu (ruwan tabarau).
• Zaɓin Rukunin:Zaɓi rukunin ƙarfi da ya dace don biyan buƙatun ƙarfin gani na da'irar karɓar ku, yana ba da damar gefe saboda tasirin zafi da tsufa.

9. Kwatancen Fasaha da Bambance-bambance

LTE-3271B ya bambanta kansa a cikin kasuwa ta hanyar haɗuwa dababban ƙarfin ƙarfi(bugun jini 2A, ci gaba 100mA) daƙarancin ƙarfin gabahalaye. Wannan haɗuwa yana ba shi damar isar da manyan bugun jini na gani yayin da yake rage asarar wutar lantarki da samar da zafi a cikin da'irar tuƙi idan aka kwatanta da masu fitarwa tare da mafi girmaV_F. Faɗin kusurwar kallo wani muhimmin abu ne na bambance-bambance, yana sa ya dace da aikace-aikacen da ke buƙatar hasken yanki maimakon katako mai ƙunƙule. Tsayin ra'ayinsa na 940nm daidaitaccen abu ne na kayan lantarki na masu amfani, yana ba da daidaiton daidaito tsakanin hankalin mai gano silicon da ƙarancin ganuwa.

10. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin Ƙarfin Haske da Ƙarfin Haske na Budewa?
A: Ƙarfin Haske (I_E) yana auna ƙarfi kowace kusurwar ƙarfi (shugabanci). Ƙarfin Haske na Budewa (E_e) yana auna ƙarfi kowace yanki na yanki a takamaiman nisa/matsayi.I_Eya fi dacewa don siffanta tushen kansa, yayin daE_eyana da amfani don ƙididdige hasken haske akan saman da aka yi niyya.

Q: Zan iya tuƙa wannan LED kai tsaye daga fitarwar dabaru na 5V?
A: A'a. Dole ne ka yi amfani da resistor mai iyakancewa. Misali, tare da wadata 5V, al'adaV_Fna 1.6V a 20mA, resistor da ake buƙata zai kasance R = (5V - 1.6V) / 0.02A = 170 Ohms. Daidaitaccen resistor na 180 Ohm zai dace.

Q: Me yasa ƙarfin fitarwa yake raguwa tare da zafin jiki?
A> Wannan ya faru ne saboda tasirin kimiyyar lantarki da yawa, gami da ƙaruwar haɗuwa mara haske da canje-canje a cikin ingancin quantum na ciki. Ƙirar zafi mai dacewa tana da mahimmanci don kiyaye aiki mai daidaito.

Q: Me yake nufin tsarin \"Rarrabawa\" ga ƙirar ta?
A> Rarrabawa yana tabbatar da samun LED tare da ƙarfin gani mai daidaito. Idan da'irar ta an daidaita ta don takamaiman matakin haske, ƙayyade rukunin (misali, Rukunin C) yana tabbatar da kowane LED da kuke amfani da shi zai sami fitarwa a cikin kewayon min/max na wannan rukunin, yana rage bambancin raka'a zuwa raka'a a cikin samfurin ku na ƙarshe.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Sarrafa Nesa na Infrared mai Nisa.Manufar ita ce cimma nisan aiki mai dogaro na mita 15. Mai ƙira ya zaɓi LTE-3271B a cikin Rukunin E don matsakaicin ƙarfin haske. Da'irar tuƙi tana amfani da microcontroller don samar da bugun jini na bayanai. Don cimma haske mai tsauri na lokaci gajere don nisa mai nisa, ana tuƙa LED tare da gajerun bugun jini masu ƙarfi (misali, bugun jini na 1A a faɗin 10μs, a cikin ƙimar 2A), maimakon ƙarancin ƙarfi na ci gaba. Ana amfani da maɓallin transistor don ɗaukar babban ƙarfin bugun jini. Faɗin kusurwar kallo na LED yana taimakawa wajen rama ɗan kuskuren daidaitawa tsakanin mai sarrafa nesa da mai karɓa. Halin ƙarancin ƙarfin gaba yana taimakawa wajen adana rayuwar baturi a cikin na'urar sarrafa nesa ta hannu.

12. Ka'idar Aiki

LED Infrared diode ne na semiconductor p-n junction. Lokacin da aka yi amfani da ƙarfin gaba, electrons daga yankin n da ramuka daga yankin p ana shigar da su cikin yankin haɗuwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, ana sakin makamashi. A cikin wannan takamaiman na'urar, kayan semiconductor (yawanci bisa Aluminum Gallium Arsenide - AlGaAs) an ƙera shi ta yadda wannan makamashin yana fitarwa da farko a matsayin photons na haske a cikin bakan infrared, tare da tsayin ra'ayi na 940 nanometers. Ƙarfin hasken da ake fitarwa yana daidai da yawan sake haɗuwar mai ɗaukar hoto, wanda ke sarrafa shi ta hanyar ƙarfin gaba da ke gudana ta diode.

13. Trends na Fasaha

Gabaɗayan yanayin fasahar mai fitar da IR yana zuwa ga mafi inganci (ƙarin ƙarfin hasken gani a kowace watt na lantarki), mafi girman ƙarfin wutar lantarki, da ƙaruwar aminci. Wannan yana haifar da ci gaba a cikin dabarun girma na epitaxial, ingantaccen ingancin quantum na ciki, da mafi kyawun sarrafa zafi a cikin kunshin. Har ila yau, ana ci gaba da haɓaka tushen IR masu yawan ra'ayoyi da faɗin bakan don aikace-aikacen gano ci gaba kamar spectroscopy da gano iskar gas. Bugu da ƙari, haɗa direbobi da dabaru na sarrafawa kai tsaye tare da guntu mai fitarwa (LED masu hankali) wani sabon salo ne don sauƙaƙe ƙirar tsarin. LTE-3271B, tare da mai da hankalinsa kan babban ƙarfi da ƙarancin ƙarfin lantarki, ya yi daidai da yanayin inganci don aikace-aikacen da ke da baturi da masu hankali ga makamashi.