Takardar Bayanin Fasaha na LTD-322JF LED Display - Tsawon Lamba 0.3-inch - Launi Mai Ruwan Lemu - Ƙarfin Wutar Gaba 2.6V - Takardar Fasaha ta Turanci

1. Bayanin Samfur

LTD-322JF wani babban aikin ne na nuni LED mai sassa bakwai, wanda aka tsara don aikace-aikacen da ke buƙatar karanta lambobi masu haske da tsabta. Babban aikinsa shi ne samar da nuni na lambobi mai sauƙin karantawa a cikin ƙaramin tsari.

1.1 Fa'idodi na Asali da Kasuwar Da Ake Nufi

An ƙera wannan na'urar tare da fa'idodi masu mahimmanci da suka sa ta dace da aikace-aikace iri-iri na masana'antu, kasuwanci, da kayan aikin ma'auni. Ƙarfafanta na asali sun haɗa da haske mai ƙarfi da bambanci mai kyau, wanda ke tabbatar da iya karantawa ko da a cikin wurare masu haske. Faɗin kusurwar kallo yana ba da damar ganin nunin a sarari daga matsayi daban-daban. Bugu da ƙari, yana ba da amintaccen aiki na tsayayye, ma'ana babu sassa masu motsi kuma yana da tsawon rayuwar aiki tare da ƙaramin kulawa. Ƙarancin buƙatun wutar lantarki yana sa ya zama mai amfani da makamashi. Kasuwar da ake nufi ta haɗa da kayan aikin gwaji da ma'auni, allunan sarrafa masana'antu, na'urorin likitanci, allunan motoci, da kayan amfani na mabukaci inda amintaccen nuni na lambobi ke da mahimmanci.

2. Zurfin Binciken Ƙayyadaddun Fasaha

Wannan sashe yana ba da cikakken bincike na gaskiya game da mahimman sigogi na fasaha na na'urar kamar yadda aka ayyana a cikin takardar bayanin.

2.1 Halaye na Hoto da na Gani

Aikin gani shine tsakiyar aikin nunin. Na'urar tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) da aka girma akan wani tushe na GaAs marar gani, wanda ke da alhakin fitowar sa mai launin rawaya-lemu. Matsakaicin ƙarfin haske (Iv) na yau da kullun yana tsakanin 320 zuwa 800 microcandelas (μcd) lokacin da aka tuka shi da wutar lantarki ta gaba (IF) na 1mA. Wannan siga tana ayyana hasken da ake gani. Tsawon zangon fitarwa mafi girma (λp) yawanci shine 611 nanometers (nm), kuma tsawon zangon da ya fi rinjaye (λd) shine 605 nm, yana ayyana daidai wurin launin rawaya-lemu. Rabin faɗin layin bakan (Δλ) shine 17 nm, yana nuna fitowar launi mai tsabta, mai cikakken cikawa. Daidaitawar ƙarfin haske tsakanin sassan an ƙayyade shi a cikin rabo na 2:1 mafi girma, yana tabbatar da kamanni iri ɗaya a cikin lambar.

2.2 Sigogi na Lantarki

Halayen lantarki suna ayyana yanayin aiki da buƙatun wutar lantarki. Ƙarfin wutar lantarki na gaba (VF) kowane sashi yawanci shine 2.6 Volts, tare da matsakaicin 2.6V a gwajin wutar lantarki na 20mA. Wannan siga ce mai mahimmanci don ƙirar da'irar iyakance wutar lantarki. Matsakaicin iyakokin ma'auni suna ba da iyakokin don aiki lafiya: ci gaba da wutar lantarki ta gaba kowane sashi shine 25 mA, kuma ɓarnar wutar lantarki kowane sashi bai kamata ya wuce 70 mW ba. Faktor na ragewa na 0.33 mA/°C ya shafi ci gaba da wutar lantarki sama da yanayin zafi na 25°C. Na'urar na iya jure ƙarfin wutar lantarki na baya (VR) har zuwa 5 Volts kowane sashi, kuma wutar lantarki ta baya (IR) matsakaici shine 100 μA a wannan ƙarfin wutar lantarki.

2.3 Ƙayyadaddun Yanayin Zafi da Muhalli

Amincewa a ƙarƙashin yanayi daban-daban yana da mahimmanci. An ƙididdige na'urar don kewayon zafin aiki na -35°C zuwa +85°C. Kewayon zafin ajiya iri ɗaya ne. Wannan faɗin kewayon yana tabbatar da aiki a cikin mawuyacin yanayi. Muhimmin sigar haɗawa shine zafin solder: na'urar na iya jure matsakaicin 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm ƙasa da matakin wurin zama na fakitin. Wannan bayanin yana da mahimmanci don ayyana bayanin nunin solder na sake kunnawa yayin haɗa PCB.

3. Tsarin Rarraba da Rarrabawa

Takardar bayanin ta bayyana a sarari cewa na'urorin "an rarraba su don ƙarfin haske." Wannan yana nuna tsarin rarrabawa inda ake jera raka'o'i kuma a yi musu lakabi bisa ga hasken da aka auna a daidaitaccen yanayin gwaji (yawanci IF=1mA). Wannan yana ba masu ƙira damar zaɓar sassa tare da matakan haske masu daidaito don aikace-aikacensu, tare da hana bambance-bambance a fili a cikin ƙarfin nunin tsakanin raka'o'i daban-daban ko batutuwan samarwa. Duk da yake ba a yi cikakken bayani game da lambobin kwandon a cikin wannan ɓangaren ba, aikin yana tabbatar da daidaiton samfur.

4. Binciken Lankwasa Aiki

Takardar bayanin tana nuni zuwa "Lankwasan Halaye na Lantarki/Gani na Yau da Kullun." Ko da yake ba a ba da takamaiman jadawali a cikin rubutun ba, daidaitattun lankwasai na irin waɗannan na'urori yawanci za su haɗa da:

• Wutar Lantarki ta Gaba vs. Ƙarfin Wutar Lantarki ta Gaba (Lankwasa I-V):Yana nuna alaƙar da ba ta da layi, mai mahimmanci don tantance ƙarfin wutar lantarki da ake buƙata don wutar lantarki da ake so.
• Ƙarfin Hasken vs. Wutar Lantarki ta Gaba:Yana nuna yadda fitowar haske ke ƙaruwa tare da wutar lantarki, har zuwa iyakokin ma'auni mafi girma.
• Ƙarfin Hasken vs. Yanayin Zafin Muhalli:Yana nuna raguwar fitowar haske yayin da zafin jiki ke ƙaruwa, wanda ke da mahimmanci ga aikace-aikacen da suka yi zafi.
• Rarraba Bakan:Zane na ƙarfin dangi da tsawon zango, yana tabbatar da gani ga tsayin zango mafi girma da rinjaye da faɗin bakan.

Waɗannan lankwasai suna da mahimmanci don cikakken ƙirar da'ira da fahimtar aiki a ƙarƙashin yanayi marasa daidaito.

5. Bayanin Injiniya da Fakitin

5.1 Girman Jiki da Tsari

Na'urar tana da tsayin lamba 0.3-inch (7.62 mm). An ba da girman fakitin a cikin zane (wanda aka ambata amma ba a nuna a rubutun ba), tare da duk ma'auni a cikin milimita da daidaitattun ƙimar ±0.25 mm sai dai idan an lura da haka. Gina jiki ya haɗa da fuskar baƙi tare da fararen sassa, wanda ke haɓaka rabon bambanci sosai lokacin da LEDs ɗin suka kashe, yana inganta karantawa gabaɗaya.

5.2 Haɗin Ƙugiya da Da'irar Ciki

LTD-322JF nuni ne na cathode gama gari biyu, ma'ana yana da lambobi biyu (Lamba 1 da Lamba 2) tare da haɗa cathodes ɗin su daban. Tsarin ƙugiya shine kamar haka: Ƙugiya 1: Anode G, Ƙugiya 3: Anode A, Ƙugiya 4: Anode F, Ƙugiya 5: Common Cathode (Lamba 2), Ƙugiya 6: Anode D, Ƙugiya 7: Anode E, Ƙugiya 8: Anode C, Ƙugiya 9: Anode B, Ƙugiya 10: Common Cathode (Lamba 1). Ƙugiyoyi 2 da wurin Ƙugiya 11 an lura da su a matsayin "Babu Haɗi" ko "Babu Ƙugiya." Zanen da'irar ciki yana nuna daidaitaccen tsari na sassa bakwai tare da ƙari maki goma, tare da anodes daban-daban ga kowane sashi da cathodes gama gari ga kowane lamba, yana ba da damar tuƙi mai yawa.

6. Jagororin Solder da Haɗawa

Kamar yadda aka ambata a cikin Matsakaicin Iyakokin Ma'auni, mahimmin siga don haɗawa shine juriyar zafin solder. Bangaren zai iya jure matsakaicin zafin jiki na 260°C na matsakaicin tsawon lokaci na dakika 3, wanda aka auna a wuri 1.6mm ƙasa da jikin fakitin. Wannan yana ayyana iyaka mafi girma don daidaitaccen bayanin nunin sake kunnawar solder marar gubar. Dole ne masu ƙira da kuma ma'aikatan haɗawa su tabbatar cewa bayanin zafin jiki bai wuce wannan iyaka ba don hana lalata guntuwar LED ko haɗin waya na ciki. Dole ne a koyi daidaitattun hanyoyin sarrafa ESD (Fitarwa na Wutar Lantarki) a lokacin haɗawa.

7. Shawarwari na Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Haɗin haske mai ƙarfi, bambanci, faɗin kusurwar kallo, da aminci sun sa LTD-322JF ya zama mai kyau ga:

• Sarrafa Masana'antu:Mitocin panel, alamomin tsari, nunin lokaci.
• Kayan Aikin Gwaji da Ma'auni:Mitoci masu yawa, ƙidaya mitar, wadatar wutar lantarki.
• Bayan Kasuwar Motoci:Ma'auni, nunin kayan aikin bincike.
• Kayan Amfani na Mabukaci:Firijin microwave, injunan wanki, kayan aikin sauti.
• Na'urorin Likitanci:Na'urorin saka idanu masu ɗaukuwa, kayan aikin bincike (inda za a iya zaɓar takamaiman launi don tsabta).

7.2 Abubuwan Da Ake La'akari Da Su Na Ƙira

• Iyakance Wutar Lantarki:Koyaushe yi amfani da resistors masu iyakance wutar lantarki a jere ga kowane anode na sashi. Ana ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki (Vcc), ƙarfin wutar lantarki na gaba na LED (Vf ~2.6V), da wutar lantarki ta gaba da ake so (misali, 10-20 mA don kyakkyawan haske). Formula: R = (Vcc - Vf) / If.
• Yawan Aiki:Ga nunin mai lambobi da yawa kamar wannan, yawan aiki shine dabarar tuƙi ta yau da kullun. Wannan ya haɗa da bi da bi kunna cathode gama gari na lamba ɗaya a lokaci guda yayin gabatar da bayanan sashi na wannan lambar. Wannan yana rage adadin filayen microcontroller I/O da ake buƙata sosai.
• ɓarnar Wutar Lantarki:Tabbatar cewa wutar lantarki da aka ƙididdige kowane sashi (Vf * If) bai wuce 70 mW ba, musamman a manyan yanayin zafi inda ragewa ya shafi.
• Kusurwar Kallo:Sanya nunin yana la'akari da faɗin kusurwar kallonsa don haɓaka ganuwa ga mai amfani na ƙarshe.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar daidaitattun GaAsP ko GaP LED ja, kayan AlInGaP da aka yi amfani da su a cikin LTD-322JF suna ba da ingantaccen inganci na haske sosai, wanda ke haifar da mafi girman haske don wutar lantarki iri ɗaya. Launin rawaya-lemu (605-611 nm) na iya ba da mafi kyawun haske da bambanci ga idon ɗan adam a wasu yanayi na haske idan aka kwatanta da ja mai zurfi. Idan aka kwatanta da LED shuɗi ko fari tare da jujjuyawar phosphor, na'urorin AlInGaP yawanci suna da ƙaramin fitarwa na bakan kuma mafi inganci ga takamaiman launinsu. Tsayin lamba 0.3-inch ya sanya shi cikin rukuni na girma na gama gari don nunin da aka ɗora a panel, yana ba da daidaitaccen ma'auni tsakanin karantawa da buƙatun sarari.

9. Tambayoyin da Ake Yawan Yi (Bisa Sigogi na Fasaha)

Q: Menene manufar bayanin "an rarraba don ƙarfin haske"?

A: Yana nufa cewa an jera LEDs (an sanya su cikin kwandon) bisa ga fitowar haske. Kuna iya yin oda sassa daga takamaiman kwandon haske don tabbatar da daidaito a duk nunin da ke cikin samfurinku.

Q: Zan iya tuka wannan nunin da microcontroller 5V kai tsaye?

A: A'a. Dole ne ku yi amfani da resistors masu iyakance wutar lantarki. Haɗa tushen 5V kai tsaye zuwa anode LED zai haifar da wutar lantarki mai yawa, wanda zai lalata sashi. Ƙididdige ƙimar resistor kamar yadda aka bayyana a cikin abubuwan da ake la'akari da su na ƙira.

Q: Menene ma'anar "duplex common cathode" don tuka nunin?

A: Yana nufa cewa lambobi biyu suna raba anodes na sashi amma suna da ƙugiyoyin cathode daban-daban. Wannan yana ba ku damar yin amfani da yawan aiki: kunna cathode na Lamba 1 kuma ku haskaka sassansa, sannan ku kashe shi, kunna cathode na Lamba 2 kuma ku haskaka sassansa, kuma ku maimaita sauri. Idon ɗan adam yana ganin duka lambobin a matsayin mai haske akai-akai.

Q: An haɗa maki goma?

A> Zanen da'irar ciki da bayanin ƙugiya (Anode DP) suna nuna cewa akwai sashi na maki goma kuma ana iya sarrafa shi da kansa, kamar manyan sassan (A-G).

10. Nazarin Shari'ar Ƙira da Amfani

Yanayi: Ƙirar mita mai zafi mai lamba biyu mai sauƙi.Microcontroller yana karanta firikwensin zafin jiki. Ana buƙatar nuna ƙimar (daga 0 zuwa 99). An zaɓi LTD-322JF saboda tsabtarsa da sauƙin amfani. Ƙirar tana amfani da filaye 8 na microcontroller: 7 don anodes na sashi (A-G, DP na zaɓi) da 1 don cathodes na lamba (ta amfani da transistor don zubar da mafi girman haɗin wutar lantarki na cathode). Firmware yana aiwatar da yawan aiki, yana sabunta nunin sau 50-100 a cikin dakika ɗaya don guje wa flicker. An sanya resistors masu iyakance wutar lantarki akan kowane layi 7 na sashi. Fuskar baƙi na nunin yana ba da kyakkyawan bambanci da allunan kayan aiki lokacin da nunin ya kashe.

11. Gabatarwar Ka'idar Fasaha

Babban fasahar yana dogara ne akan tsarin kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide). Lokacin da aka yi wa gaba, ana shigar da electrons da ramuka cikin yanki mai aiki na guntu LED inda suke sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke ciki na aluminum, indium, gallium, da phosphorus a cikin lattice crystal yana ƙayyade makamashin bandgap, wanda yake daidai da tsawon zango (launi) na hasken da aka fitar. Ga LTD-322JF, an daidaita wannan abun da ke ciki don samar da photons a cikin kewayon 605-611 nm, wanda ake ganinsa a matsayin rawaya-lemu. Amfani da wani tushe na GaAs marar gani yana taimakawa wajen fitar da haske ta saman na'urar, yana inganta ingantaccen ingancin fitar da haske idan aka kwatanta da wasu tsofaffin ƙira.

12. Trends na Masana'antu da Mahallin

Fasahar AlInGaP tana wakiltar cikakkiyar mafita mai inganci don manyan LED ja, lemu, amber, da rawaya. Ya kasance babban kayan aiki don waɗannan launuka a aikace-aikacen nuni da nuni shekaru da yawa saboda ingancinsa da amincinsa. Trends na yanzu a fasahar nuni don kayan lantarki na mabukaci sun mamaye cikakken launi, mafita masu ƙira kamar OLEDs da micro-LEDs. Duk da haka, don keɓaɓɓen, ƙananan nunin lambobi da haruffa masu buƙatar babban aminci, faɗin kewayon zafin aiki, da tsawon rayuwa - musamman a cikin sassan masana'antu, motoci, da kayan aiki - na'urori kamar LTD-322JF sun kasance masu dacewa sosai. Trend a nan shine zuwa ga mafi inganci kuma mai yuwuwar haɗa kayan aikin tuƙi a cikin fakitin nunin ("nuni masu hankali"), ko da yake ainihin siffar sassa bakwai na ci gaba da amfani da su sosai.