Takardar Bayanin LED LTS-2301AJE - Tsawon Lamba 0.28-inch - AlInGaP Ja - Ƙarfin Wutar Gaba 2.6V - Ragewar Wutar 70mW - Takardar Fasaha ta Turanci

1. Bayanin Samfur

LTS-2301AJE ƙaramin nuni ne mai lamba ɗaya na bakwai-sashe wanda aka ƙera don aikace-aikacen da ke buƙatar karanta lambobi a sarari. Babban aikinsa shine samar da hanyar nuna bayanan lambobi mai sauƙin karantawa, amintacce, da kuma rage amfani da wutar lantarki. An gina na'urar ta amfani da fasahar ƙwayar LED ta AlInGaP (Aluminum Indium Gallium Phosphide) mai ci gaba, wacce aka sani da ingantacciyar aiki da tsaftar launi a cikin bakan haske na ja. Wannan ya sa ya dace musamman don allunan kayan aikin ma'auni, na'urorin lantarki na mabukaci, sarrafa masana'antu, da kowane tsarin da aka haɗa inda ake buƙatar mai nuna lambobi mai haske, mara shakka.

Babban fa'idodin wannan nunin sun haɗa da kyakkyawan bayyanar haruffa tare da sassan da suka dace, suna tabbatar da kamanni mai tsabta da ƙwararru. Yana ba da haske mai ƙarfi da bambanci mai ƙarfi, waɗanda ke da mahimmanci don karantawa a ƙarƙashin yanayin haske daban-daban, gami da hasken muhalli mai haske. Faɗin kusurwar kallo yana tabbatar da cewa lambar da aka nuna ta kasance a bayyane daga wuraren da ba a kan axis ba. Bugu da ƙari, ginin sa mai ƙarfi yana ba da amincin asali da dogon rayuwar aiki idan aka kwatanta da fasahar nunin injina ko wasu, ba tare da sassa masu motsi da za su lalace ba.

2. Zurfin Fassarar Ma'anar Sigogin Fasaha

2.1 Halayen Hoto da Na Gani

Aikin gani shine tsakiyar aikin nunin. Babban ma'auni, Matsakaicin Ƙarfin Hasken (Iv), an ƙayyade shi da ƙimar al'ada na 600 µcd a gaba mai gudana (IF) na 1mA. Mafi ƙarancin shine 200 µcd kuma babu iyakar iyaka da aka bayyana, yana nuna mayar da hankali kan tabbatar da hasken tushe. An ƙayyade ma'aunin daidaitawar ƙarfin haske tsakanin sassan a matsakaicin 2:1, wanda ke da mahimmanci don tabbatar da daidaiton haske a duk sassan lambar, hana wasu sassan su bayyana a fili fiye da wasu.

Halayen launi an ayyana su ta hanyar Tsawon Tsawon Tsawon Tsawon (λp) na 632 nm da Tsawon Tsawon (λd) na 624 nm, duk an auna su a IF=20mA. Wannan yana sanya hasken da aka fitar a cikin ɓangaren ja na bakan gani. Tsawon Tsawon Tsawon Tsawon (Δλ) na 20 nm yana nuna ƙunƙuntaccen bandwidth na bakan, wanda ke ba da gudummawa ga launin ja mai tsafta, cikakke. Yana da mahimmanci a lura cewa ana auna ƙarfin haske ta amfani da haɗin firikwensin da tacewa wanda ya kusanci lanƙwasa amsawar ido na CIE photopic, yana tabbatar da cewa ƙimar da aka ruwaito suna da alaƙa da hangen nesa na ɗan adam.

2.2 Sigogin Lantarki

Ƙayyadaddun lantarki suna ayyana iyakokin aiki da yanayi don na'urar. Matsakaicin Matsakaicin Matsakaici yana ba da iyakoki don aiki lafiya. Ragewar Wutar Lantarki kowane sashi shine 70 mW. Ci gaba da Ci gaba da Ci gaba kowane sashi shine 25 mA a 25°C, tare da ƙimar rage ƙimar 0.33 mA/°C. Wannan yana nufin matsakaicin ci gaba da ci gaba da aka yarda yana raguwa yayin da yanayin zafi ya ƙaru sama da 25°C don hana yin zafi. Don aikin bugun jini, ana ba da izinin mafi girman Ci gaba da Ci gaba na 90 mA a ƙarƙashin yanayi na musamman (1/10 aikin aiki, faɗin bugun jini 0.1ms). Matsakaicin Ƙarfin Wutar Lantarki kowane sashi shine 5 V.

A ƙarƙashin yanayin gwaji na yau da kullun (TA=25°C), ƙimar Ƙarfin Wutar Gaba (VF) kowane sashi shine 2.6V a wani lokaci na 20mA, tare da mafi ƙarancin 2.05V. Wannan ƙarfin lantarki yana da mahimmanci don ƙirar da'irar iyakancewa. Juyawar Juyawa (IR) shine matsakaicin 100 µA a cikakken ƙarfin juyawa na 5V, yana nuna kyawawan halayen diode.

2.3 Ƙayyadaddun Zafi da Muhalli

An ƙididdige na'urar don Kewayon Yanayin Aiki na -35°C zuwa +85°C, da daidaitaccen Kewayon Yanayin Ajiya. Wannan faɗin kewayon ya sa ya dace don amfani a cikin mawuyacin yanayi, a ciki da waje. Mahimmin ma'aunin haɗawa shine matsakaicin Yanayin Solder na 260°C na matsakaicin tsawon lokaci na dakika 3, wanda aka auna a 1.6mm ƙasa da farantin zama. Wannan jagora yana da mahimmanci don hana lalacewar zafi yayin aikin sake kunnawa.

3. Bayanin Tsarin Binning

Takardar bayanin ta nuna cewa an "Rarraba don Ƙarfin Hasken." Wannan yana nuna tsarin binning ko rarrabuwa bisa ga aikin hasken da aka auna. Yawanci, ana gwada LED kuma a rarraba su cikin kwandon bin bisa ga takamaiman sigogi kamar ƙarfin haske, ƙarfin lantarki na gaba, kuma wani lokacin tsawon zango. Kasancewa cikin rukuni yana nufin abokan ciniki za su iya zaɓar sassa daga ƙungiyoyin aiki masu daidaito, wanda ke da mahimmanci don aikace-aikacen da ke buƙatar nuni da yawa don samun daidaitattun matakan haske. Duk da cewa ba a bayyana ainihin tsarin lambar binning a cikin wannan ɓangaren ba, kasancewar wannan fasalin yana tabbatar wa masu ƙira da matakin daidaiton aiki a cikin batunan samarwa.

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nuni ga "Lanƙwasa Halayen Lantarki / Na Gani na Al'ada" waɗanda ke da mahimmanci don zurfin binciken ƙira. Ko da yake ba a ba da takamaiman lanƙwasa a cikin rubutun ba, irin waɗannan jadawalin yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken da Ci gaba da Ci gaba (Lanƙwasa I-V):Wannan lanƙwasa yana nuna yadda fitowar haske ke ƙaruwa tare da gudun mota. Ba layi ba ne, kuma fahimtar wannan dangantakar shine mabuɗin ƙirar da'irori masu inganci waɗanda ke cimma hasken da ake so ba tare da wuce iyakokin wutar lantarki ba.
• Ƙarfin Wutar Gaba da Ci gaba da Ci gaba:Wannan yana tabbatar da halayen diode kuma yana taimakawa wajen zaɓar madaidaitan resistors na jerin ko saitunan direba na yau da kullun.
• Ƙarfin Hasken da Yanayin Yanayi:Wannan lanƙwasa yana nuna yadda fitowar haske yawanci ke raguwa yayin da zafin haɗin yake tashi. Wannan yana da mahimmanci don aikace-aikacen da ke aiki a yanayin zafi mai girma.
• Rarraba Bakan:Jadawali da ke nuna ƙarfin hasken da aka fitar a cikin tsayin zango daban-daban, wanda ya ta'allaka ne a tsayin zango na 632 nm.

Waɗannan lanƙwasa suna ba wa injiniyoci damar yin hasashen aiki a ƙarƙashin yanayi daban da yanayin gwaji na yau da kullun na 25°C.

5. Bayanin Injiniya da Marufi

Na'urar tana da daidaitaccen fakitin lamba ɗaya na bakwai-sashe mai fil 10. TheGirman Fakitinzane (wanda aka ambata amma ba a bayyana dalla-dalla a cikin rubutu ba) zai ba da duk mahimman bayanan injiniya, gami da tsayin gabaɗaya, faɗi, zurfi, girman taga sashi, da tazarar fil. Ana lura da juzu'i a matsayin ±0.25 mm sai dai idan an ƙayyade in ba haka ba. TheHaɗin Filan bayar da tebur a sarari: Fil 1 shine Anode E, Fil 2 shine Anode D, Fil 3 shine Common Cathode, Fil 4 shine Anode C, Fil 5 shine Anode D.P. (maki goma), Fil 6 shine Anode B, Fil 7 shine Anode A, Fil 8 shine na biyu Common Cathode, Fil 9 shine Anode G, kuma Fil 10 shine Anode F. Biyu na gama gari cathodes (fil 3 da 8) an haɗa su a ciki, suna ba da sassauci a cikin shimfidar PCB. TheZanen Da'irar Cikiyana nuna tsarin cathode gama gari, inda aka haɗa duk cathodes na sassan LED tare zuwa fil ɗin gama gari, kuma kowane anode sashi ana sarrafa shi da kansa.

6. Jagororin Solder da Haɗawa

Babban jagora da aka bayar shine iyakar zafin solder: matsakaicin 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm ƙasa da farantin zama. Wannan ƙayyadaddun ƙa'ida ce don aikin solder ko sake kunnawa. Dole ne masu ƙira su tabbatar cewa bayanin tarawa ya kasance cikin wannan iyaka don hana lalata ƙwayoyin LED ko fakitin filastik. Don solder na hannu, yakamata a yi amfani da ƙarfe mai sarrafa zafin jiki, kuma ya kamata a rage lokacin tuntuɓar. Ba a ambaci takamaiman yanayin ajiya fiye da kewayon zafin jiki ba, amma yakamata a kiyaye matakan kariya na ESD (Electrostatic Discharge) lokacin sarrafa na'urar.

7. Bayanin Marufi da Oda

Babban lambar sashi na na'urar shine LTS-2301AJE. Bayanin ya bayyana cewa AlInGaP Ja ne, Common Cathode, Nau'in Decimal na Hannun Dama. Duk da yake cikakkun bayanan marufi (misali, tef da reel, adadin bututu) ba su cikin ɓangaren da aka bayar ba, irin waɗannan bayanan yawanci ana samun su a cikin takamaiman ƙayyadaddun marufi ko akan babban takardar bayanin sashi. Lambar samfurin kanta na iya ɓoye wasu halaye, amma ba a bayyana ƙa'idar suna a fili a nan ba.

8. Shawarwarin Aikace-aikace

Yanayin Aikace-aikacen Al'ada:Wannan nuni yana da kyau ga kowane na'urar da ke buƙatar lamba ɗaya. Amfanin gama gari ya haɗa da na'urori masu auna lambobi da yawa, rediyon agogo, na'urorin dafa abinci (microwaves, tanda), masu nuna dashboard na mota (misali, matsayin kaya), nunin lokaci na masana'antu, kayan aikin gwaji, da na'urorin lantarki na mabukaci inda karatun lambobi mai sauƙi ya isa.

Abubuwan Ƙira:

1. Da'irar Tuƙi:A matsayin nunin cathode gama gari, yawanci ana haɗa cathodes zuwa ƙasa. Kowane anode sashi ana tuƙa shi sama (ta hanyar resistor mai iyakancewa ko direba na yau da kullun) don haskaka shi. Amfani da fil ɗin cathode gama gari biyu yana taimakawa wajen rarraba halin yanzu kuma zai iya taimakawa wajen karkatar da PCB.
2. Iyakancewar Halin Yanzu:Dole ne a yi amfani da resistor na jerin ga kowane sashi lokacin da tushen wutar lantarki ya motsa shi don saita halin yanzu na gaba. An ƙididdige ƙimar resistor kamar R = (Vcc - Vf) / If, inda Vf shine ƙarfin lantarki na gaba (typ. 2.6V a 20mA). Don sarrafa haske ko haɗawa, an fi son direbobi na yau da kullun.
3. Haɗawa:Duk da yake wannan nunin lamba ɗaya ne, idan an yi amfani da lambobi da yawa a cikin tsarin, ana iya haɗa su ta hanyar saurin canza cathode gama gari na kowane lamba yayin tuƙi da masu haɗin anode sashi. Wannan yana rage yawan fil ɗin I/O da ake buƙata akan microcontroller sosai.
4. Kusurwar Dubawa:Faɗin kusurwar kallo yana ba da damar sanya sassauci a cikin akwati, amma mafi kyawun karantawa yawanci ana samun shi lokacin da aka duba kai tsaye.

9. Kwatancen Fasaha

Idan aka kwatanta da tsofaffin fasahohi kamar incandescent ko nunin fluorescent na vacuum (VFDs), wannan nunin LED na AlInGaP yana ba da ƙarancin amfani da wutar lantarki, dogon rayuwa, da mafi girman juriya ga girgiza/girgiza saboda yanayin sa mai ƙarfi. Idan aka kwatanta da daidaitattun LED ja na GaAsP ko GaP, fasahar AlInGaP tana ba da ingantacciyar inganci mai haske, yana haifar da mafi girman haske don irin wannan gudun mota, da kuma cikakken launin ja mai tsafta. Tsawon lamba 0.28-inch shine girma na gama gari, yana ba da daidaiton daidaito tsakanin bayyana da amfani da sararin allo, yana da girma fiye da nunin 0.2-inch amma ya fi ƙanƙanta fiye da lambobi 0.5-inch ko mafi girma.

10. Tambayoyin da ake yawan yi (Dangane da Sigogin Fasaha)

Q: Menene manufar samun fil ɗin cathode gama gari biyu (3 da 8)?

A: An haɗa su a ciki. Samun fil biyu yana taimakawa wajen rarraba jimlar halin yanzu na cathode (wanda shine jimlar halin yanzu daga duk sassan da aka haskaka) a cikin alamun PCB biyu da haɗin gwiwar solder, inganta amincin kuma rage yawan halin yanzu a kowane haɗin gwiwa ɗaya. Hakanan yana ba da sassauci na shimfidawa.

Q: Zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller na 5V?

A: A'a, ba kai tsaye ba. Matsakaicin ƙarfin lantarki na gaba shine 2.6V, kuma fil ɗin microcontroller da ke fitar da 5V zai haifar da wuce gona da iri, mai yuwuwar lalata sashin LED. Dole ne ka yi amfani da resistor mai iyakancewa a cikin jerin tare da kowane sashi. Don wadata 5V da manufar halin yanzu na 20mA, ƙimar resistor zai kasance kusan (5V - 2.6V) / 0.02A = 120 ohms. Ana yawan amfani da transistor ko IC direba idan microcontroller ba zai iya samar da isasshen halin yanzu ba.

Q: Menene ma'anar "Ma'aunin Daidaitawar Ƙarfin Hasken na 2:1"?

A: Yana nufin cewa mafi haske sashi ba zai fi haske sau biyu fiye da mafi duhu sashi ba lokacin da aka tuƙa shi ƙarƙashin yanayi ɗaya (IF=1mA). Wannan yana tabbatar da daidaiton gani a cikin lambar.

Q: Ta yaya zan fassara ƙimar rage ƙimar don ci gaba da halin yanzu na gaba?

A: An ƙayyade matsakaicin ci gaba da ci gaba na 25 mA a yanayin zafin jiki na 25°C. Ga kowane digiri Celsius sama da 25°C, dole ne ka rage matsakaicin halin yanzu da 0.33 mA. Misali, a 50°C, rage ƙimar shine (50-25)*0.33 = 8.25 mA, don haka matsakaicin ci gaba da ci gaba da aka yarda ya zama 25 - 8.25 = 16.75 mA kowane sashi.

11. Yanayin Amfani na Aiki

Harka: Ƙirar Nunin Lokaci na Lamba Mai Sauƙi.Mai ƙira yana ƙirƙirar mai ƙidayar lokaci don na'urar dakin gwaje-gwaje. Suna buƙatar nuni mai lamba ɗaya mai tsabta don nuna dakika da suka rage daga 9 zuwa 0. An zaɓi LTS-2301AJE saboda haskensa da karantawa. Microcontroller yana da iyakantaccen fil ɗin I/O. Maganin shine haɗa fil ɗin cathode gama gari biyu zuwa ƙasa. An haɗa anode bakwai sashi (A-G) da anode maki goma (DP) zuwa microcontroller ta hanyar fil ɗin I/O ɗaya tak, kowanne yana da resistor na jerin 120-ohm zuwa layin dogo na 5V (ko zuwa fil ɗin microcontroller idan zai iya samar da isasshen halin yanzu). Software ɗin kawai yana kunna haɗin da ya dace na anode sashi don samar da lambar da ake so. Za a iya amfani da maki goma azaman mai nuna "kyalkyali" lokacin da mai ƙidayar lokaci ya kai sifili. Faɗin kewayon yanayin aiki yana tabbatar da amincin a cikin yanayin dakin gwaje-gwaje.

12. Gabatarwar Ka'ida

Nuni bakwai-sashe wani nau'i ne na na'urar nuni ta lantarki wanda ke amfani da sassan LED bakwai daban-daban waɗanda aka jera a cikin tsarin adadi takwas. Ta hanyar haskaka takamaiman haɗin waɗannan sassan, zai iya wakiltar lambobi 0-9 da wasu haruffa. Kowane sashi LED daban ne. A cikin tsarin cathode gama gari kamar LTS-2301AJE, an haɗa cathodes na duk LED tare zuwa tashar gama gari (ko biyu, a wannan yanayin). Don haskaka sashi, ana tuƙa fil ɗin anode ɗin da ya dace zuwa ƙarfin lantarki mai kyau dangane da cathode gama gari, tare da iyakance halin yanzu da ya dace. Tsarin kayan AlInGaP da aka yi amfani da shi don ƙwayoyin LED semiconductor ne kai tsaye wanda ke canza makamashin lantarki cikin sauƙi zuwa haske a cikin bakan ja/lemu/rawaya, yana ba da fa'idodi a cikin inganci da haske akan tsofaffin kayan LED.

13. Trends na Ci gaba

Duk da yake ana ci gaba da amfani da tsofaffin nunin LED bakwai-sashe saboda sauƙinsu da ingancin farashi, fasahar nuni tana ci gaba da haɓakawa. Trends sun haɗa da haɓaka ƙarin ingantattun kayan LED, kamar ingantaccen AlInGaP da haɓakar LED na tushen GaN blue/green/white waɗanda ke ba da damar shirye-shiryen launi cikakke. Akwai motsi zuwa ga nunin matrix-dot da zane na OLED/LCD waɗanda ke ba da sassauci mafi girma wajen nuna haruffa da zane. Duk da haka, don aikace-aikacen da kawai ana buƙatar karatun lambobi masu sauƙi, masu haske, masu aminci sosai, da ƙarancin farashi, LED bakwai-sashe masu lamba ɗaya kamar LTS-2301AJE suna ci gaba da zama mafi kyawun magani mai dorewa. Ci gabansu yana mai da hankali kan ƙara haske kowane raka'a na halin yanzu (inganci), inganta daidaiton launi, da haɓaka amincin ƙarƙashin matsin lamba na muhalli mai faɗi.