Takardar Bayanin Fasaha ta LTS-3861JG LED Display - Tsawon Lamba 0.3-inch - Kore (AlInGaP) - Ƙarfin Wutar Gaba 2.6V - Ragewar Wutar Lantarki 70mW - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTS-3861JG ƙaramin na'ura ne mai nuni, mai lamba ɗaya, mai sassa bakwai (seven-segment) wanda aka tsara don aikace-aikacen da ke buƙatar nuni mai haske da bayyananne tare da ƙarancin amfani da wutar lantarki. Babban aikinsa shine samar da bayanin lambobi da za a iya karantawa sosai. Fasahar cibiyarsa tana amfani da kayan semiconductor na Aluminum Indium Gallium Phosphide (AlInGaP) don guntu na'urorin LED. AlInGaP sananne ne saboda ingantaccen aikinta da kyakkyawan aikin haske a cikin bakan haske daga amber zuwa kore. Wannan na'urar ta musamman tana fitar da hasken kore, tana ba da daidaito mai kyau na ganuwa da kwanciyar hankali na ido. Nuni yana da fuskar launin toka tare da alamomin fararen sassa, wanda ke haɓaka bambanci da karantawa lokacin da sassan suka haskaka ko ba su haskaka ba. An rarrabe shi bisa ga ƙarfin haske, yana ba da damar rarrabawa da daidaito a cikin haske a cikin rukunin samarwa. An gina na'urar a matsayin tsarin anode gama gari, yana sauƙaƙa ƙirar da'ira don aikace-aikacen haɗawa.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Halayen Hoto da Na Gani

Aikin gani shine tsakiyar aikin nunin. Matsakaicin ƙarfin haske (Iv) an ƙayyade shi tare da ƙimar al'ada na 800 µcd a gaba na gaba (IF) na 1 mA, tare da mafi ƙarancin 320 µcd. Wannan ma'auni yana bayyana hasken da ake gani. Tsawon zango mai rinjaye (λd) shine 572 nm, yana sanya fitarwa a cikin yankin kore na bakan haske da ake iya gani. Tsawon zango mafi girma (λp) shine 571 nm, kuma rabin faɗin layin bakan (Δλ) shine 15 nm, yana nuna launi mai tsafta tare da ƙaramin yaduwar bakan. An ƙayyade ma'aunin daidaitawar ƙarfin haske tsakanin sassa a matsakaicin 2:1, yana tabbatar da daidaiton haske a cikin lamba don bayyanai masu daidaito.

2.2 Halayen Lantarki da Zafin Jiki

Ma'auni na lantarki suna bayyana iyakokin aiki da buƙatun wutar lantarki. Matsakaicin ƙimar ƙididdiga yana da mahimmanci don aiki mai aminci: ragewar wutar lantarki kowane yanki bai kamata ya wuce 70 mW ba. Ci gaba da gaba na gaba kowane yanki an ƙididdige shi a 25 mA a 25°C, tare da ƙimar ragewa na 0.33 mA/°C don yanayin zafi sama da 25°C. Ana ba da izinin kololuwar gaba ta gaba na 60 mA a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1 ms). Ƙarfin wutar lantarki na gaba (VF) kowane yanki yana da ƙimar al'ada na 2.6 V a IF=20 mA, tare da matsakaicin 2.6 V. Ƙimar ƙarfin lantarki na baya shine 5 V, kuma ƙarfin lantarki na baya (IR) shine matsakaicin 100 µA a VR=5V. An ƙididdige na'urar don kewayon zafin jiki na aiki da adanawa daga -35°C zuwa +85°C.

3. Bayanin Tsarin Rarrabawa

Takardar bayanin ta bayyana a sarari cewa an "rarrabe na'urar don ƙarfin haske." Wannan yana nuna tsarin rarrabawa ko rarrabuwa bayan samarwa. LED a zahiri suna da bambance-bambance a cikin fitarwa saboda ƙananan bambance-bambance a cikin epitaxy na semiconductor. Don tabbatar da daidaito ga mai amfani na ƙarshe, masana'antun suna auna ƙarfin haske na kowane na'ura kuma suna rarraba su cikin kwandon ko rukuni daban-daban bisa ga ƙayyadaddun kewayon ƙarfi (misali, kwandon haske mai girma, kwandon daidaitacce). Wannan yana ba masu ƙira damar zaɓar sassa tare da tabbataccen matakan haske mafi ƙanƙanta don aikace-aikacensu, yana hana bambance-bambancen haske da ake iya gani lokacin da ake amfani da nuni da yawa tare.

4. Bincike na Lanƙwasa Aiki

Duk da yake abin da aka ba da daga cikin takardar bayanin yana nuni ga "Lanƙwasa Halayen Lantarki / Na Gani na Al'ada," takamaiman jadawali ba a haɗa su cikin rubutun ba. Yawanci, irin waɗannan lanƙwasai don nuni na LED za su haɗa da maki mahimman da yawa. Lanƙwasa Gaba vs. Gaba Voltage (I-V) yana nuna alaƙar da ba ta dace ba, mai mahimmanci don ƙirar da'irar iyakancewar halin yanzu. Lanƙwasa Dangantakar Ƙarfin Hasken Gani vs. Gaba yana nuna yadda fitarwar haske ke ƙaruwa tare da halin yanzu, sau da yawa yana nuna yanki na layi kafin raguwar inganci. Lanƙwasa Dangantakar Ƙarfin Hasken Gani vs. Yanayin Yanayi yana da mahimmanci don fahimtar raguwar haske a yanayin zafi mai girma, yana ba da sanarwar yanke shawara na sarrafa zafin jiki. Lanƙwasa Rarraba Ƙarfin Bakan zai tabbatar da tsayin zango mai rinjaye da kololuwa, yana nuna ƙaramin rukunin fitarwa na halayen AlInGaP LEDs.

5. Bayanin Injiniya da Kunshin

An gabatar da LTS-3861JG tare da cikakken zanen girmar kunshin (wanda aka ambata amma ba a cikakken bayani a cikin rubutu ba). Muhimman ƙayyadaddun injiniya sun haɗa da tsayin lamba na 0.3 inches (7.62 mm). Gabaɗayan girmen kunshin, tazarar jagora, da filin zama an ƙayyade su a cikin milimita tare da daidaitaccen jurewa na ±0.25 mm sai dai idan an faɗi akasin haka. Ginin jiki yana ɗauke da guntu na'urorin LED na AlInGaP akan wani abu marar wucewa na Gallium Arsenide (GaAs) a cikin kunshin filastik. Fuskar launin toka tare da fararen sassa yana ba da bayyanar da ba a haskaka ba. An ƙayyade tsarin ƙarfe a sarari don kunshin ƙarfe 10.

6. Haɗin Ƙarfe da Da'irar Ciki

Na'urar tana da tsarin ƙarfe 10. Ƙarfe 1 da 6 duka an haɗa su zuwa ANODE GAMA GARI. Wannan ƙirar anode biyu tana taimakawa wajen rarraba halin yanzu kuma tana iya taimakawa wajen shimfidar PCB. Sauran ƙarafan sune cathode na kowane yanki: Ƙarfe 2 (Cathode F), Ƙarfe 3 (Cathode G), Ƙarfe 4 (Cathode E), ƙarfe 5 (Cathode D), ƙarfe 7 (Cathode D.P. don maki goma), ƙarfe 8 (Cathode C), ƙarfe 9 (Cathode B), da ƙarfe 10 (Cathode A). Jadawalin da'irar ciki (wanda aka ambata) zai nuna waɗannan ƙarafan goma an haɗa su zuwa anodes da cathodes na LED takwas (sassa bakwai da ƙari maki goma) an tsara su a cikin matrix na anode gama gari. Fahimtar wannan shimfidar yana da mahimmanci don ƙirar da'irar tuƙi daidai, yawanci yana haɗa da microcontroller tare da direbobin yanki ko ƙayyadadden IC direban nuni.

7. Jagororin Solder da Taro

Matsakaicin ƙimar ƙididdiga sun haɗa da mahimman ƙayyadaddun solder: na'urar na iya jure matsakaicin zafin solder na 260°C na matsakaicin tsawon lokaci na dakika 3, wanda aka auna a 1.6 mm (1/16 inch) ƙasa da filin zama. Wannan shine ƙayyadaddun ƙayyadaddun solder na sake kunnawa. Dole ne masu ƙira su tabbatar da tsarin taron PCB, ko igiyar ruwa ko sake kunnawa solder, ya bi wannan iyaka don hana lalata guntu na'urorin LED na ciki, haɗin waya, ko kunshin filastik. Tsawaita bayyanar da zafin jiki mai girma zai iya haifar da rawaya na filastik, lalacewar epoxy, ko gazawar haɗin gwiwar semiconductor. Yadda ake sarrafa daidai don guje wa fitar da lantarki (ESD) shima ana nufin shi, ko da yake ba a bayyana shi a sarari ba, saboda LED gabaɗaya suna da hankali ga ƙaruwar ƙarfin lantarki.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

LTS-3861JG ya dace da kewayon na'urori masu ƙarancin wutar lantarki, masu ɗaukuwa, da na'urori masu amfani da wutar lantarki waɗanda ke buƙatar nuni na lamba ɗaya. Aikace-aikacen gama gari sun haɗa da: allunan kayan aikin ma'auni (voltmeters, ammeters, timers), kayan aikin gida (microwaves, tanda, masu yin kofi), na'urorin lantarki na mabukaci (kayan aikin sauti, masu caji), sarrafa masana'antu (nunin saiti, na'urori masu ƙidaya), da na'urorin likita. Bukatunsa na ƙarancin halin yanzu ya sa ya dace da kayan aikin da ake amfani da baturi.

8.2 Abubuwan da ake la'akari da ƙira

Lokacin haɗa wannan nuni, dole ne a yi la'akari da abubuwa da yawa.Iyakancewar Halin Yanzu:Masu jurewa na waje na iyakancewar halin yanzu wajibi ne ga kowane cathode na yanki (ko direba mai ci gaba) don saita halin yanzu zuwa ƙimar aminci (misali, 10-20 mA don cikakken haske, 1-5 mA don ƙarancin wutar lantarki). Ana ƙididdige ƙimar resistor ta amfani da R = (Ƙarfin Wutar Lantarki - VF) / IF.Haɗawa:Don tsarin lambobi da yawa, wannan nuni na anode gama gari yana sauƙin haɗawa. Microcontroller zai bi da bi ba da damar kowane lamba ta hanyar anode gama gari ta hanyar sauya transistor yayin da yake fitar da tsarin yanki don wannan lamba akan layukan cathode gama gari.Kusurwar Kallo:Faɗin kusurwar kallo yana da amfani amma yi la'akari da yanayin hawan ƙarshe.Gudanar da Zafin Jiki:Duk da yake ƙarancin wutar lantarki, tabbatar da yanayin zafi ya kasance cikin ƙayyadaddun bayanai, musamman idan an rufe shi.

9. Kwatancen Fasaha da Bambance-bambance

Muhimman fa'idodin bambance-bambance na LTS-3861JG sun samo asali ne daga fasahar AlInGaP idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun GaP (Gallium Phosphide) LED kore. AlInGaP yana ba da ingantaccen inganci na haske sosai, yana haifar da haske mafi girma don irin wannan halin yanzu, ko daidaitaccen haske a ƙarancin halin yanzu, yana tsawaita rayuwar baturi. Tsaftar launi (ƙaramin faɗin bakan) shima ya fi girma. Idan aka kwatanta da manyan nunin lambobi, girman 0.3-inch yana ba da ƙaramin ƙafa. Ƙirar anode gama gari ta fi zama gama gari kuma sau da yawa yana da sauƙin haɗawa tare da tashoshin microcontroller na daidaitacce waɗanda aka tsara azaman magudanan halin yanzu. Rarrabuwa ta hanyar ƙarfin haske yana ba da fa'ida akan sassan da ba a rarraba ba ta hanyar tabbatar da daidaiton haske.

10. Tambayoyin da ake yawan yi (Bisa Ma'auni na Fasaha)

Q: Wane ƙimar resistor ya kamata in yi amfani da shi don wadatar wutar lantarki 5V da 10 mA kowane yanki?

A: Ta amfani da VF na al'ada na 2.6V: R = (5V - 2.6V) / 0.01A = 240 Ohms. Resistor na daidaitacce na 220 Ohm ko 270 Ohm zai dace.

Q: Shin zan iya tuƙa shi kai tsaye daga ƙarfen microcontroller?

A: Ba a ba da shawarar samar da / zubar da cikakken halin yanzu na yanki (har zuwa 25 mA) kai tsaye daga yawancin ƙarafan MCU, waɗanda galibi ana iyakance su zuwa 20 mA matsakaicin matsakaicin kowane ƙarfe kuma ƙasa don ci gaba da aiki. Yi amfani da transistor ko ƙayyadadden direba IC (misali, 74HC595 mai canzawa mai rikodin tare da masu jurewa na iyakancewar halin yanzu, ko direban LED mai ci gaba).

Q: Me yasa akwai ƙarafan anode gama gari biyu (1 da 6)?

A> Wannan yana taimakawa wajen shimfidar PCB ta hanyar samar da maki haɗin gwiwa biyu don anode gama gari, yana ba da damar rarraba wutar lantarki mafi kyau da sauƙin karkatar da alamun, musamman lokacin da aka sanya nuni akan wasu abubuwan.

Q: Ta yaya zafin jiki ke shafar haske?

A> Ƙarfin haske na LED yawanci yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Ragewar ci gaba da halin yanzu (0.33 mA/°C sama da 25°C) alama ɗaya ce. Don sarrafa haske daidai akan zafin jiki, ana iya buƙatar amsa ko ramuwa.

11. Ƙirar Aiki da Yanayin Amfani

Yi la'akari da ƙirar saukakken lokaci na dijital ta amfani da microcontroller. LTS-3861JG zai nuna lambar dakika (0-9). Za a tsara tashoshin I/O na MCU: ƙarfe ɗaya don sarrafa transistor PNP mai sauya anode gama gari zuwa Vcc, da wasu ƙarafan 7 (kowanne tare da resistor na jerin 220-ohm) an haɗa su zuwa cathodes A-G. Firmware ɗin zai ƙunshi teburin neman canza lambobi 0-9 zuwa tsarin sassa bakwai da ya dace (misali, '0' = 0b00111111). Zai ba da damar anode, fitar da tsarin, jira don tazarar haɗawa, sannan ya kashe anode. Wannan hanya tana rage amfani da ƙarfe. Ƙarancin amfani da wutar lantarki yana ba da damar lokaci ya yi gudana na tsawon lokaci akan ƙaramin baturi. Babban bambanci da faɗin kusurwar kallo suna tabbatar da cewa ana iya karanta lokacin daga wurare daban-daban.

12. Gabatarwar Ka'idar Fasaha

LTS-3861JG ya dogara ne akan fasahar hasken ƙwaƙƙwaran jiki. Kowane yanki yana ƙunshe da ɗaya ko fiye da guntu na'urorin LED na AlInGaP. LED diode ne na semiconductor. Lokacin da aka nuna son ra'ayi (ingantaccen ƙarfin lantarki akan anode dangane da cathode), electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki inda suke sake haɗuwa. A cikin AlInGaP, wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske) tare da tsawon zango da aka ƙaddara ta hanyar ƙarfin bandgap na kayan semiconductor. Takamaiman haɗin gwal na Aluminum, Indium, Gallium, da Phosphide an ƙera shi don samar da hasken kore a kusan 572 nm. Abin da ba a iya gani na GaAs substrate yana ɗaukar duk wani haske da aka fitar ƙasa, yana inganta bambanci. Ana siffanta hasken sannan a fitar da shi ta hanyar ruwan tabarau na epoxy na kunshin, yana samar da siffar yanki da ake iya gane shi.

13. Trends na Fasaha da Mahallin

Duk da yake AlInGaP ya kasance babban ci gaba ga LED ja, orange, amber, da kore, yanayin masu fitar da kore ya samo asali. Don hasken kore mai inganci sosai, Indium Gallium Nitride (InGaN) na tushen LED yanzu ya mamaye, musamman a cikin tsaftataccen kore zuwa bakan shuɗi. Duk da haka, AlInGaP ya kasance mai gasa sosai a yankin amber-kore saboda kyakkyawan aikin sa da kwanciyar hankali. Trend a cikin nuni yana zuwa ga mafi girma yawa, ikon launi cikakke, da haɗin kai. Nuni na lamba ɗaya mai sassa bakwai kamar LTS-3861JG suna wakiltar mafita mai tsada, mai tsada don aikace-aikacen da ake buƙatar bayanin lambobi kawai. Fa'idodinsu sune sauƙi, ƙarfi, ƙarancin tsada, da sauƙin haɗawa idan aka kwatanta da ƙarin hadaddun matrix ko sassan OLED/LCD na hoto. Suna ci gaba da amfani da su sosai a cikin aikace-aikacen da waɗannan halaye suka fi mahimmanci fiye da ikon zane.