LTE-4238R Mai Fitowar Haske Infrared - Kunshin Bayyananne - Tsawon Tsawon Haske 880nm - Ƙarfin Wutar Gaba 1.8V - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTE-4238R ƙaramin mai fitar da hasken infrared (IR) ne mai arha wanda aka ƙera don aikace-aikacen gani da lantarki. Babban aikinsa shine fitar da hasken infrared a takamaiman tsawon haske, yawanci don amfani a cikin tsarin ji, ganowa, da sadarwa inda ake buƙatar tushen haske marar ganuwa. Na'urar tana cikin kunshin filastik mai bayyananne, mai kallon ƙarshe, wanda ke ba da damar watsa haske mai inganci. Babban fa'idar wannan ɓangaren shine daidaitawar injiniyarsa da na gani zuwa takamaiman jerin phototransistors (kamar jerin LTR-3208), wanda ke sauƙaƙe ƙira don nau'ikan mai karɓa da mai fitarwa kuma yana tabbatar da mafi kyawun aiki a aikace-aikacen ji. Wannan ya sa ya dace da kasuwanni da suka haɗa da ganowa abu, ganowa kusa, maɓallai marasa taɓawa, da hanyoyin haɗin bayanan gani na asali.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Matsakaicin Matsakaicin Ma'auni

Waɗannan ma'auni suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. LTE-4238R na iya watsar da ƙarfin wutar lantarki har zuwa 150 mW. Yana sarrafa mafi girman kwararar gaba na Amperes 2 a ƙarƙashin yanayin bugun jini (bugun jini 300 a kowace dakika, faɗin bugun jini microsecond 10), yayin da mafi girman ci gaba da kwararar gaba shine 100 mA. Na'urar na iya jure ƙarfin wutar lantarki har zuwa Volts 5. Kewayon zafin jiki daga -40°C zuwa +85°C, kuma ana iya adana shi a cikin yanayi daga -55°C zuwa +100°C. Don haɗawa, ana iya siyar da jagororin a 260°C na mafi ƙarancin dakika 5, muddin wurin siyar da ya kasance aƙalla 1.6mm daga jikin kunshin.

2.2 Halayen Lantarki da Na Gani

Ana ƙayyade waɗannan sigogi a zafin yanayi (T_A) na 25°C da gwajin kwararar gaba (I_F) na 20mA, wanda ke aiki azaman ma'auni na aiki. Ƙarfin haske (I_E), ma'aunin ƙarfin gani da ake fitarwa kowane kusurwa mai ƙarfi, yana da ƙimar yau da kullun na 4.81 mW/sr. Ƙarfin hasken buɗaɗɗen (E_e), wanda ke wakiltar yawan ƙarfin wutar lantarki, yawanci 0.64 mW/cm². Na'urar tana fitar da haske a mafi girman tsawon haske (λ_Peak) na nanometers 880, wanda ke cikin bakan infrared na kusa. Faɗin bakan, wanda aka ayyana azaman rabin faɗi (Δλ), shine 50 nm, yana nuna yaduwar tsawon haske a kusa da kololuwa. Ƙarfin wutar gaba (V_F) yawanci yana kewayo daga 1.3V zuwa 1.8V a 20mA. Kwararar baya (I_R) shine mafi girman 100 µA lokacin da aka yi amfani da baya 5V. Kusurwar kallo (2θ_1/2), inda ƙarfin haske ya faɗi zuwa rabin mafi girman ƙimarsa, shine digiri 20, yana ayyana katako mai kunkuntar gaske.

3. Bayanin Tsarin Rarrabawa

Takardar bayanai ta nuna cewa na'urorin "ANA ZABE SU ZUWA TAKAMMAITATTUN KEWAYE NA ƘARFIN KAI TSARE DA ƘARFIN HASKE." Wannan yana nuna tsarin rarrabawa ko tsari bisa ga ma'auni na fitar da haske. Duk da yake ba a lissafa takamaiman lambobin kwandon a cikin wannan ɓangaren ba, rarrabawar yau da kullun don irin waɗannan masu fitarwa ta ƙunshi rarraba sassa bisa ga ƙarfin haskensu (I_E) kuma wani lokacin ƙarfin wutar gaba (V_F) don tabbatar da daidaito a cikin aikin aikace-aikace. Masu zane-zane yakamata su tuntubi masana'anta don cikakkun ƙayyadaddun ƙayyadaddun rarrabawa don zaɓar sassan da suka dace da takamaiman buƙatun ƙarfi don aikace-aikacensu.

4. Bincike Mai zurfi na Sigogi na Fasaha

Takardar bayanai ta haɗa da sifofi na yau da kullun da yawa. Hoto na 1 yana nuna Rarraba Bakan, yana zana ƙarfin haske mai alaƙa da tsawon haske. Yana tabbatar da kololuwa a 880nm da rabin faɗin 50nm. Hoto na 2 yana kwatanta alaƙar tsakanin Kwararar Gaba da Yanayin Yanayi, yana nuna yadda mafi girman ci gaba da kwararar da aka yarda ke raguwa yayin da zafin jiki ke ƙaruwa don kasancewa cikin iyakar watsawar wutar lantarki. Hoto na 3 shine Kwararar Gaba da Ƙarfin Wutar Gaba (I-V), yana nuna halayen diode mai ma'ana. Hoto na 4 yana nuna yadda Ƙarfin Haske Mai Dangantaka ke bambanta da Yanayin Yanayi, yawanci yana nuna raguwar fitarwa yayin da zafin jiki ke tashi. Hoto na 5 yana zana Ƙarfin Haske Mai Dangantaka akan Kwararar Gaba, yana nuna kusancin alaƙar layi tsakanin kwararar tuƙi da fitar da haske a cikin kewayon aiki. A ƙarshe, Hoto na 6 shine Zanen Radiation, zanen polar wanda ke nuna rarraba sararin samaniya na hasken da aka fitar, yana tabbatar da kusurwar kallo na digiri 20.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

Na'urar tana amfani da ƙaramin kunshin filastik mai kallon ƙarshe. Muhimman bayanan girma sun haɗa da: duk girma suna cikin millimeters (tare da inci a cikin baka), daidaitaccen haƙuri shine ±0.25mm sai dai idan an ƙayyade in ba haka ba, mafi girman resin protrusion a ƙarƙashin flange shine 1.0mm, kuma ana auna tazarar jagora a wurin da jagororin suka fita daga kunshin. An yi nuni da zanen girma daidai amma ba a cikakken bayani a cikin rubutun da aka bayar ba.

5.2 Gano Polarity

Ga LED infrared, mafi tsayin jagora shine anode (tabbatacce), kuma ɗan gajeren jagora shine cathode (maras kyau). Kunshin na iya samun gefe mai lebur ko wasu alama kusa da cathode. Dole ne a lura da polarity daidai yayin haɗa da'ira don hana lalacewa.

6. Jagororin Solder da Haɗawa

Matsakaicin matsakaicin ma'auni ya ƙayyade zafin siyar da jagora: 260°C na mafi ƙarancin dakika 5, tare da sharadin cewa ana amfani da wannan aƙalla 1.6mm (0.063") daga jikin kunshin. Wannan yana da mahimmanci don hana lalacewar zafi ga mutuwar semiconductor da kuma kullewar filastik. Don sake siyar da siyarwa, ana ba da shawarar daidaitaccen bayanin martaba tare da mafi girman zafin jiki wanda bai wuce 260°C ba da kulawa mai kyau na lokaci sama da ruwa. Yakamata a adana na'urar a cikin yanayi mai bushewa, maras tashin hankali kafin amfani. Bayanan matakin damuwa na danshi (MSL), idan ya dace, yakamata a samu daga masana'anta.

7. Bayanin Kunshi da Oda

Lambar sashi ita ce LTE-4238R. Takardar bayanai tana nuni zuwa lambar ƙayyadaddun (DS-50-98-0043) da bita (C). Cikakkun bayanan kunshi (misali, tef da girman reel, adadin kowane reel) ba a bayar a cikin wannan ɓangaren ba. Lambobin "BNS-OD-C131/A4" da "BNS-OD-FC001/A4" suna nufin lambobin sarrafa takardu na ciki. Don yin oda, ana amfani da lambar sashi na tushe LTE-4238R, kuma duk wani lambar rarrabawa ko zaɓi na musamman za a haɗa shi bisa ga tsarin masana'anta.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

LTE-4238R ya dace da aikace-aikacen da ke buƙatar tushen IR da aka dace. Babban amfani da shi shine a haɗe tare da phototransistor da aka dace da bakan (kamar jerin LTR-3208) don samar da mai katsewar gani ko firikwensin abu mai nuni. Aikace-aikacen gama gari sun haɗa da ganowar takarda a cikin firinta da kwafi, ganowa rami ko gefe, ƙidaya abu, ganowa kusa a cikin kayan aikin gida, da sauƙaƙan maɓallai marasa taɓawa. Kunshin bayyananne ya sa ya dace da aikace-aikacen da mai fitarwa zai iya ganuwa, kodayake hasken 880nm ba a ganuwa ga idon ɗan adam.

8.2 Abubuwan da Ake La'akari da Zane

1. Iyakancewar Halin yanzu:LED IR na'urar ce mai tuƙi na yanzu. Koyaushe yi amfani da resistor mai iyakancewar halin yanzu wanda aka ƙidaya bisa ga ƙarfin wutar lantarki (V_CC), ƙarfin wutar gaba na LED (V_F~1.8V max), da kuma kwararar gaba da ake so (I_F). Kada ku wuce ƙimar ci gaba da yanzu na 100mA. Don aikin bugun jini, tabbatar da faɗin bugun jini da cikakken zagayowar aiki sun kasance cikin ƙayyadaddun iyakoki don guje wa zafi mai yawa.
2. Gudanar da Zafi:Ba za a wuce ƙimar watsawar wutar lantarki na 150 mW ba. A manyan yanayin zafin jiki, rage mafi girman ƙarfin gaba da aka yarda kamar yadda aka nuna a cikin sifofi na halaye.
3. Daidaituwar Gani:Don mafi kyawun aiki a cikin tsarin firikwensin da aka haɗa, tabbatar da daidaiton injiniya daidai tsakanin mai fitarwa da na'urar ganowa. Ƙunƙuntaccen kusurwar kallo na digiri 20 yana taimakawa wajen jagora amma yana buƙatar sanyawa a hankali.
4. Kariya daga Hasken Yanayi:Yayin da mai ganowa da aka dace yana taimakawa, ƙirar baffles na gani ko amfani da siginonin IR da aka daidaita na iya inganta kariya daga tsangwama na hasken yanayi a aikace-aikacen ji.

9. Kwatancen Fasaha da Bambance-bambance

Babban siffar bambance-bambancen LTE-4238R shine daidaitaccen injiniyarsa da na gani zuwa takamaiman jerin phototransistor. Wannan yana ba da garantin ingantaccen haɗin haɗin gwiwa kuma yana sauƙaƙa tsarin ƙira don firikwensin gani, kamar yadda aka siffanta ma'auratan don yin aiki tare. Idan aka kwatanta da masu fitar da IR na gabaɗaya, wannan daidaitawar na iya haifar da mafi girman hankali, mafi girman kewayon, ko mafi daidaitaccen aiki a cikin aikace-aikacen ƙarshe. Kunshin bayyananne yana ba da ɗan ƙaramin ingantaccen watsawa idan aka kwatanta da kunshin da aka yi launi, yana haɓaka fitar da haske. Girman sa na ƙanana ya sa ya dace da ƙirar da ke da matsi na sarari.

10. Tambayoyin da ake yawan yi (FAQs)

Q: Menene manufar mafi girman tsawon haske zama 880nm?
A: 880nm yana cikin kewayon infrared na kusa. Ba a ganuwa ga idon ɗan adam, yana mai da shi mai hankali don aikace-aikacen ji. Hakanan yana daidaitawa da mafi girman hankali na masu ganowa na silicon (kamar phototransistors), yana tabbatar da ingantaccen ganowa.

Q: Zan iya tuƙa wannan LED kai tsaye daga fil ɗin microcontroller?
A: Ya dogara da ikon samar da halin yanzu na fil. Fil ɗin MCU na yau da kullun na iya samar da 20-25mA, wanda ke cikin kewayon aiki. Koyaya, Dole ne ku haɗa da resistor mai iyakancewar halin yanzu a jere. Kada ku taɓa haɗa LED kai tsaye zuwa tushen wutar lantarki ko fil ba tare da sarrafa halin yanzu ba.

Q: Ta yaya zan fassara "Kusurwar Kallo" na digiri 20?
A: Wannan shine cikakken kusurwar da ƙarfin hasken da aka fitar ya kasance aƙalla rabin mafi girman ƙimarsa (a kan-axis). Kusurwar digiri 20 tana da kunkuntar gaske, yana samar da katako mai mai da hankali idan aka kwatanta da masu fitarwa masu faɗi. Wannan yana da amfani ga aikace-aikacen da ke da nisa ko daidaitaccen daidaitawa.

Q: Menene ma'anar "daidaitaccen bakan"?
A: Yana nufin bakan fitarwa na LTE-4238R (wanda ke tsakiya a 880nm) an ƙera shi don yin daidai da madaidaicin amsawar bakan na ƙayyadadden phototransistor. Wannan yana haɓaka adadin hasken da aka fitar wanda mai ganowa zai iya "gani" kuma ya canza shi zuwa siginar lantarki.

11. Misalai na Zane da Amfani na Aiki

Misali na 1: Firikwensin Ganowa Abu:Sanya LTE-4238R da phototransistor ɗin da ya dace suna fuskantar juna a kan rata. Lokacin da wani abu ya wuce ta cikin rata, yana katse katakon IR, yana haifar da canjin fitarwa na phototransistor. Ana iya amfani da wannan da'ira mai sauƙi don ƙidaya abubuwa akan bel ɗin isar da kaya ko gano kasancewar takarda a cikin tiren firinta. Ana iya saita halin yanzu ta hanyar LED zuwa 20mA ta amfani da resistor: R = (V_CC- V_F) / I_F. Don samar da wutar lantarki 5V da V_Fna 1.6V, R = (5 - 1.6) / 0.02 = 170 Ohms (yi amfani da resistor na yau da kullun 180 Ohm).

Misali na 2: Firikwensin Nuni:Sanya mai fitarwa da mai ganowa a gefe guda, an yi niyya zuwa wuri guda. Hasken IR daga mai fitarwa yana nuni daga saman (kamar farin abu ko tef mai nuni) kuma phototransistor ya gano shi. Wannan saitin na iya gano kusancin wani abu ko karanta ƙirar da aka ɓoye. Ƙunƙuntaccen kusurwar kallo yana taimakawa wajen rage yawan magana tsakanin mai fitarwa da mai ganowa a cikin wannan kusancin kusanci.

12. Gabatarwar Ka'idar Aiki

Mai fitar da infrared kamar LTE-4238R diode ne na semiconductor. Lokacin da aka yi bambanci gaba (wutar lantarki mai kyau da aka yi amfani da ita ga anode dangane da cathode), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na kayan semiconductor (yawanci bisa ga gallium arsenide, GaAs). Wannan tsarin sake haɗuwa yana sakin makamashi a cikin nau'in photons (ɓangarorin haske). Takamaiman abun da ke ciki da tsarin semiconductor suna ƙayyade tsawon hasken da aka fitar, wanda a wannan yanayin ya kasance a tsakiya a 880nm a cikin bakan infrared. Kunshin epoxy bayyananne yana kullewa da kare mutuwar semiconductor yayin da yake ba da damar hasken da aka samar ya tsere cikin inganci.

13. Trends na Fasaha da Mahallin

Masu fitar da infrared sun kasance mahimman sassa a cikin gani da lantarki. Trends a cikin wannan fanni sun haɗa da haɓaka masu fitarwa tare da mafi girman ƙarfin haske da inganci daga ƙananan kunshin, yana ba da damar ƙarin ƙarfi ko firikwensin mai nisa. Hakanan akwai motsi zuwa kunshin na'urar da aka haɗa da saman (SMD) don haɗawa ta atomatik, kodayake kunshin ta hanyar rami kamar wannan har yanzu ana amfani da shi sosai don ƙira da wasu aikace-aikace. Haɗin kai wani trend ne, tare da haɗaɗɗun masu fitarwa-masu ganowa sun zama ruwan dare gama gari, suna sauƙaƙa ƙirar tsarin ƙari. Asalin ka'idar electroluminescence a cikin semiconductors an kafa shi sosai, amma ci gaban kimiyyar kayan yana ci gaba da inganta aiki, aminci, da ingancin kuɗi.