Takardar Bayanin Fasaha na Nunin Nau'in Lamba Bakwai 7.62mm - Tsarin Huda - Fararen Sassa a Kan Fuskar Grey - 2.4V 25mA

1. Bayyani Game da Samfur

Wannan takarda ta bayyana cikakkun bayanai don nunin lamba da haruffa mai tsayin lamba 7.62mm (0.3-inch), wanda aka ƙera don haɗawa ta hanyar huda ta cikin allon. Na'urar tana da fararen sassa a kan fuskar grey, yana ba da babban bambanci don ingantaccen karantawa. An gina ta ta amfani da fasahar guntu ta AlGaInP don fitar da haske mai tsananin ja, wanda aka inganta ta hanyar guduro mai yada haske. An rarraba wannan nuni a matsayin kayan aikin daidaitaccen girma na masana'antu, yana mai da hankali kan aminci da kuma ci gaba da aiki a cikin yanayi daban-daban na haske.

1.1 Muhimman Siffofi da Fa'idodi

Babban fa'idodin wannan nuni sun haɗa da bin ka'idojin girma na masana'antu, yana tabbatar da dacewa da ƙirar ƙafafun da ake da su. Yana ba da ƙarancin amfani da wutar lantarki, yana sa ya dace da aikace-aikacen da ke amfani da baturi ko masu kula da makamashi. An rarraba na'urar don ƙarfin haske, yana ba masu ƙira matakan haske da za a iya tsinkaya kuma masu daidaito a cikin rukunin samarwa. Bugu da ƙari, an ƙera shi don zama maras gubar (Pb-free) kuma ya bi ka'idojin RoHS, yana bin ka'idojin zamani na muhalli da ƙa'idodi don kayan lantarki.

1.2 Kasuwa da Aikace-aikace

Ana nufin wannan nuni ga aikace-aikacen da ke buƙatar bayyanannun, amintattun karatun lambobi ko ƙayyadaddun haruffa. Yankunan aikace-aikacensa na farko sun haɗa da kayan aikin gida, inda zai iya nuna saituna, na'urorin ƙidayar lokaci, ko lambobin matsayi. Hakanan ya dace da allunan kayan aiki a cikin kayan aiki daban-daban, yana ba da mahimman bayanan aiki. Bugu da ƙari, yana aiki a matsayin muhimmin sashi a cikin nunin karatun dijital na gabaɗaya a cikin masana'antu, kasuwanci, da na'urorin lantarki na mabukaci.

2. Bincike Mai zurfi na Sigogi na Fasaha

Ayyuka da iyakokin nuni an ayyana su ta hanyar saitin cikakkun ƙididdiga na iyaka da cikakkun halayen lantarki da na gani. Fahimtar waɗannan sigogi yana da mahimmanci don ingantaccen ƙirar da'ira da kuma tabbatar da ingantaccen aiki na dogon lokaci.

2.1 Cikakkun Ƙididdiga na Iyaka

Waɗannan ƙididdiga suna ƙayyade iyakokin damuwa waɗanda bayan su lalacewa ta dindindin na iya faruwa ga na'urar. Ba a nufin su don yanayin aiki na yau da kullun ba.

• Ƙarfin Wutar Lantarki a Baya (V_R):5 V - Matsakaicin ƙarfin wutar lantarki da za a iya amfani da shi a cikin alkiblar baya a kan sassan LED.
• Halin Yanzu na Gaba (I_F):25 mA - Matsakaicin ci gaba da halin yanzu na DC da aka yarda ta wani sashi.
• Matsakaicin Halin Yanzu na Gaba (I_FP):60 mA - Matsakaicin halin yanzu mai bugun jini, wanda aka yarda da shi a ƙarƙashin zagayowar aiki na 1/10 a 1 kHz.
• Rushewar Wutar Lantarki (P_d):60 mW - Matsakaicin wutar lantarki da na'urar za ta iya tarwatsewa.
• Yanayin Zafi na Aiki (T_opr):-40°C zuwa +85°C - Kewayon yanayin zafi na yanayi don aiki na yau da kullun.
• Yanayin Zafi na Ajiya (T_stg):-40°C zuwa +100°C - Kewayon yanayin zafi don ajiyar da ba ta aiki ba.
• Yanayin Zafi na Solder (T_sol):260°C - Matsakaicin yanayin zafi don hanyoyin solder, tare da iyakar lokaci na dakika 5.

2.2 Halayen Lantarki da Na Gani

Waɗannan sigogi, waɗanda aka auna a daidaitaccen zafin jiki na 25°C, suna ayyana matsakaicin aikin na'urar a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Ƙarfin Hasken (I_v):Matsakaicin ƙimar shine 6.4 mcd, tare da mafi ƙarancin 4.0 mcd, wanda aka auna kowane sashi na 7 a cikin halin yanzu na gaba na 10 mA. Tolerancin ±10% ya shafi wannan sigogi.
• Matsakaicin Tsawon Tsawon Zango (λ_p):632 nm (na yau da kullun) - Tsawon zango inda fitowar haske ta fi ƙarfi, wanda aka auna a I_F=20mA.
• Mafi Rinjaye Tsawon Zango (λ_d):624 nm (na yau da kullun) - Tsawon zango da idon ɗan adam ke gani, yana ayyana wurin launi, wanda aka auna a I_F=20mA.
• Bandwidth na Radiation Spectrum (Δλ):20 nm (na yau da kullun) - Faɗin hasken da aka fitar, wanda aka auna a I_F=20mA.
• Ƙarfin Wutar Lantarki na Gaba (V_F):2.0 V (na yau da kullun), tare da matsakaicin 2.4 V a I_F=20mA. An ƙayyade tolerancin ±0.1V.
• Halin Yanzu na Baya (I_R):Matsakaicin 100 µA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya na 5V.

3. Bincike Mai zurfi na Lankwasa Ayyuka

Hoto na hoto yana ba da zurfin fahimtar halayen na'urar a ƙarƙashin yanayi daban-daban, wanda yake da mahimmanci don ƙirar tsarin ƙarfi.

3.1 Rarraba Spectrum

Lankwasa rarraba spectrum, wanda aka auna a 25°C, yana nuna ƙarfin haske mai alaƙa a cikin tsayin zango daban-daban. Lankwasa ya kai kololuwa a na yau da kullun 632 nm, yana tabbatar da fitowar haske mai tsananin ja. Bandwidth na 20 nm yana nuna ƙaramin fitarwa na gani, wanda ke ba da gudummawa ga bayyanar launi mai cikar cikar.

3.2 Halin Yanzu na Gaba da Ƙarfin Wutar Lantarki na Gaba (Lankwasa IV)

Wannan lankwasa yana kwatanta alaƙar da ke tsakanin halin yanzu da ke gudana ta wani sashi na LED da kuma raguwar ƙarfin wutar lantarki a cikinsa. Ba shi da layi, siffa ta diode. Masu ƙira suna amfani da wannan lankwasa don zaɓar masu tsayayya da halin yanzu masu dacewa don cimma hasken da ake so yayin da suke cikin iyakokin V_Fda I_F. Matsakaicin V_Fna 2.0V a 20mA yana aiki a matsayin muhimmin wurin ƙira.

3.3 Lankwasa Rage Halin Yanzu na Gaba

Wannan muhimmin jadawali yana nuna yadda dole ne a rage matsakaicin halin yanzu na gaba na ci gaba da aiki yayin da yanayin zafi na yanayi ya ƙaru sama da 25°C. Don tabbatar da aminci da hana guduwar zafi, dole ne a rage halin yanzu na tuƙi lokacin aiki a yanayin zafi mai girma. Wannan lankwasa yana da mahimmanci don ƙirar tsarin da aka yi niyya don amfani a cikin yanayin zafi mai girma.

4. Bayanin Injiniya da Kunshin

4.1 Girman Kunshin

Na'urar ta yi daidai da daidaitaccen ƙafafun DIP (Dual In-line Package) na huda ta cikin allon. Zanen girma yana ba da duk mahimman ma'auni ciki har da tsayin gabaɗaya, girman lamba, tazarar fil (pitch), da diamita na fil. Tolerances don girma da ba a bayyana ba su ne ±0.25mm. Daidaitaccen ƙafafun yana da mahimmanci don shimfidar PCB (Allon Da'ira da aka Buga) don tabbatar da dacewa da daidaitawa.

4.2 Zanen Da'ira na Ciki da Pinout

Takardar bayanin ta haɗa da zanen da'ira na ciki wanda ke nuna tsarin haɗin gwiwa-cathode ko haɗin gwiwa-anode na sassa bakwai da ma'anar goma (idan akwai). Wannan zanen yana da mahimmanci don haɗa nuni daidai zuwa da'irar tuƙi (misali, microcontroller ko decoder IC). Yana gano wane fil yayi daidai da kowane sashi (a-g) da fil na gama gari, yana hana kurakurai na haɗawa yayin haɗawa.

5. Jagororin Solder da Haɗawa

Daidaitaccen sarrafawa yayin haɗawa yana da mahimmanci don kiyaye ingancin na'urar da aiki.

• Solder:Matsakaicin yanayin zafi na solder an ƙididdige shi a 260°C, kuma lokacin tuntuɓar gwangwani na solder bai kamata ya wuce dakika 5 ba don hana lalacewar zafi ga guntuwar LED da kuma kunshin filastik.
• Kariya daga Zubar da Wutar Lantarki ta Electrostatic (ESD):Dice na LED suna da hankali ga ESD. Matakan anti-static na wajibi sun haɗa da amfani da bel ɗin wuyan da aka kafa, takalmi da tashoshin aiki masu aminci na ESD, tabarma na ƙasa masu ɗaukar wutar lantarki, da kuma daidaitaccen ƙasa na duk kayan aiki. Ana iya amfani da ionizers don kawar da caji akan kayan rufewa.
• Ajiya:Ya kamata a adana na'urori a cikin ƙayyadadden kewayon zafin jiki na -40°C zuwa +100°C a cikin yanayi mai bushewa, mai aminci na ESD.

6. Bayanin Kunshin da Oda

6.1 Cikakkun Bayanai na Kunshin

Ana samar da abubuwan a cikin tsari na kunshin: Ana ɗora guda 32 akan farantin guda. Ana tattara 64 daga cikin waɗannan faranti a cikin akwati ɗaya. A ƙarshe, ana haɗa akwatuna 4 zuwa babban akwatin. Wannan ya kai jimillar guda 8192 a kowace akwati (32 x 64 x 4).

6.2 Bayanin Alamar

Alamun da ke kan kunshin sun ƙunshi maɓuɓɓuka masu mahimmanci da yawa: CPN (Lambar Samfurin Abokin Ciniki), P/N (Lambar Samfurin Masana'anta), QTY (Adadin Kunshin), CAT (Matsayi/Matsayi na Ƙarfin Hasken), da LOT No (Lambar Lot da za a iya gano asali). Sauran filayen kamar HUE, REF, da REFERENCE na iya ƙunsar lambobin ciki don nuni launi ko alamar ƙara.

7. Abubuwan da ake la'akari da Ƙirar Aikace-aikace

7.1 Ƙirar Da'irar Tuƙi

Kowane sashi LED ne na mutum. Dole ne a haɗa mai tsayayya da halin yanzu a cikin jerin tare da kowane sashi (ko tare da fil na gama gari a cikin tsarin haɗin gwiwa-cathode/anode) don saita halin yanzu na aiki. Ana iya ƙididdige ƙimar mai tsayayya (R) ta amfani da Dokar Ohm: R = (V_supply- V_F) / I_F. Ta amfani da matsakaicin V_Fna 2.0V da I_Fda ake so na 10mA (don daidaitaccen haske) tare da samar da 5V yana ba da R = (5V - 2.0V) / 0.01A = 300 Ω. Ana yawan amfani da ƙimar da ta ɗan fi girma (misali, 330 Ω) don gefe. Don haɗa lambobi da yawa, dole ne a daidaita matsakaicin halin yanzu a kowane sashi don kiyaye matsakaicin halin yanzu a cikin ƙididdiga na ci gaba.

7.2 Gudanar da Zafi

Duk da yake nuni da kansa yana da ƙarancin tarwatsewar wutar lantarki, dole ne a duba lankwasa rage ƙimar don aikace-aikacen zafi mai girma. Idan ana tsammanin yanayin zafi ya kusanci matsakaicin 85°C, dole ne a rage halin yanzu na gaba sosai. Isasshen tazara akan PCB da kuma guje wa sanya kusa da sauran abubuwan da ke haifar da zafi na iya taimakawa wajen sarrafa yanayin zafi na gida a kusa da nuni.

7.3 Abubuwan da ake la'akari da Gani

Fararen sassa a kan bango mai launin toka suna ba da bambanci na asali. Don mafi kyawun karantawa, yi la'akari da kusurwar kallo da nisa. Matsakaicin ƙimar ƙarfin haske (6.4 mcd) yana nuna cewa ya dace da amfani a cikin gida da kuma yanayi mai haske. Don hasken rana kai tsaye ko yanayi mai haske sosai, ƙarin rukunin haske ko nuni tare da tacewa mai duhu na iya zama dole.

8. Kwatancin Fasaha da Bambance-bambance

Wannan nuni ya bambanta kansa ta hanyar sifofi masu mahimmanci da yawa. Daidaitaccen girman sa na masana'antu yana tabbatar da dacewa da maye gurbin saukarwa a cikin ƙira da yawa da ake da su. Amfani da fasahar AlGaInP yana ba da ingantacciyar inganci da launin ja mai cikar cikar idan aka kwatanta da tsofaffin fasahohi. Rarraba don ƙarfin haske yana ba da aikin da za a iya tsinkaya, wanda ke da mahimmanci ga aikace-aikacen da ke buƙatar bayyanar iri ɗaya a cikin raka'o'i da yawa. Haɗawa ta hanyar huda ta cikin allon yana ba da ƙarfin injiniya da sauƙin ƙirar samfuri idan aka kwatanta da madadin haɗawa ta saman, ko da yake yana buƙatar hanyoyin solder na hannu ko igiyar ruwa.

9. Tambayoyin da ake yawan yi (FAQ)

Q: Menene bambanci tsakanin matsakaicin tsawon zango da tsawon zango mafi rinjaye?

A: Matsakaicin tsawon zango (λ_p=632nm) shine kololuwar zahiri na bakan fitowar haske. Tsawon zango mafi rinjaye (λ_d=624nm) shine tsawon zango guda ɗaya wanda zai haifar da irin wannan fahimtar launi ga idon ɗan adam. Tsawon zango mafi rinjaye ya fi dacewa don ƙayyadaddun launi.

Q: Shin zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller?

A: A'a. Fil ɗin microcontroller yawanci ba zai iya samarwa ko nutse da ake buƙata 10-20mA a kowane sashi ba kuma bazai sami isasshen sararin samaniya na ƙarfin wutar lantarki da ake buƙata ba. Ana buƙatar da'irar tuƙi ta waje (transistors, na'urar tuƙi ta musamman) tare da masu tsayayya da halin yanzu koyaushe.

Q: Menene ma'anar \"an rarraba don ƙarfin haske\"?

A: Masana'anta suna gwadawa da rarraba nunin bisa ga hasken da aka auna (mcd) a daidaitaccen halin yanzu. Nunin da ke cikin takamaiman rukuni (CAT akan alamar) za su yi kama da haske sosai, yana tabbatar da daidaiton gani lokacin da aka yi amfani da nunin da yawa tare.

Q: Shin ana buƙatar sink ɗin zafi?

A> Don aiki na yau da kullun a cikin ƙayyadaddun iyakokin halin yanzu da zafin jiki, ba a buƙatar wani sink ɗin zafi na daban don kunshin nuni da kansa. PCB yana aiki a matsayin babbar hanyar tarwatsewar zafi.

10. Misalai na Ƙira da Amfani na Aiki

10.1 Sauƙaƙan Na'urar Ƙidayar Lokaci ta Dijital

Aikace-aikace na gama gari shine na'urar ƙidayar lokaci ta saukowa ko hawa. Za a tsara microcontroller don bin diddigin lokaci. Zai fitar da daidaitattun ƙirar sassa don kowane lamba (misali, mintuna da dakika) zuwa na'urar tuƙi kamar mai rijistar motsi na 74HC595 ko na'urar tuƙi ta LED mai lambobi da yawa. Direban zai sarrafa haɗawa, yana kunna lamba ɗaya a lokaci guda da sauri don haifar da tunanin cewa duk lambobin suna kan lokaci guda, yayin da ake kiyaye jimillar halin yanzu da za a iya sarrafawa.

10.2 Karatu na Allon Kayan Aiki

A cikin wani kayan aikin gwaji, wannan nuni zai iya nuna ƙididdiga kamar ƙarfin wutar lantarki, mitar, ko zafin jiki. Mai jujjuya analog-zuwa-dijital (ADC) zai canza siginar firikwensin zuwa dijital. Microcontroller zai auna ƙimar dijital, ya tsara shi don nunawa, kuma ya tuƙi sassan daidai. Bangon launin toka yana taimakawa rage haske daga hasken allon, kuma fararen sassa suna tabbatar da cewa lambobin suna da ƙarfi kuma bayyananne.

11. Ka'idar Aiki

Nunin sassa bakwai haɗaɗɗiyar LED guda bakwai ne (LEDs) waɗanda aka jera a cikin tsarin siffar takwas. Kowane LED yana samar da sashi ɗaya (mai lakabin a har zuwa g). Ta hanyar kunna takamaiman haɗuɗɗun waɗannan sassa, ana iya samar da lambobi 0-9 da wasu haruffa (kamar A, C, E, F). A cikin tsarin haɗin gwiwa-cathode, duk cathodes (bangarorin marasa kyau) na LED ɗin sashi an haɗa su tare zuwa fil ɗin gama gari. Don haskaka wani sashi, ana tuƙa fil ɗin anode na mutum (tabbatacce) zuwa babba (tare da jerin mai tsayayya da halin yanzu) yayin da aka haɗa cathode na gama gari zuwa ƙasa. Tsarin haɗin gwiwa-anode shine akasin haka. Guntuwar LED ɗin da ke ƙasa suna amfani da kayan semiconductor na AlGaInP (Aluminum Gallium Indium Phosphide), wanda ke fitar da haske a cikin bakan ja/lemu/rawaya lokacin da electrons suka sake haɗuwa tare da ramuka a kan bandgap na kayan.

12. Trends na Fasaha

Babban fasahar don LED ɗin ja, AlGaInP, ya balaga kuma yana da inganci sosai. Trends a cikin nunin yana zuwa ga mafi girman haske, ƙarancin amfani da wutar lantarki, da ƙananan pixel pitches. Duk da yake nunin huda ta cikin allon kamar wannan ya kasance sananne don ƙarfinsa da sauƙin amfani a wasu aikace-aikace, gabaɗayan masana'antar tana ƙaura sosai zuwa fasahar na'urar haɗawa ta saman (SMD). Nunin SMD suna ba da damar haɗawa ta atomatik, ƙananan bayanan martaba na gabaɗaya na na'urar, da kuma mafi girman yawa akan PCBs. Ci gaba na gaba na iya haɗawa da haɗaɗɗun direbobi a cikin kunshin nuni ko nunin tare da faɗaɗa kusurwar kallo da mafi girman ƙimar bambanci da aka samu ta hanyar ingantaccen ruwan tabarau da ƙirar tacewa. Koyaya, sauƙi na asali, aminci, da ingancin kuɗi na daidaitattun nunin sassa bakwai suna tabbatar da ci gaba da amfani da su a cikin aikace-aikace masu yawa na gaba.