Takardar Bayani na LTP-1557AKA LED Dot Matrix Display - Tsawon 1.2 inch (30.42mm) - AlInGaP Ja-Orange - Tsari 5x7 - Takardar Fasaha ta Hausa

1. Bayanin Samfur

LTP-1557AKA na'urar nuni ce ta lamba ɗaya, mai nuna haruffa da lambobi wacce aka ƙera don aikace-aikacen da ke buƙatar fitarwa mai haske, abin dogaro. Aikin sa na asali shine wakiltar bayanai ta hanyar grid na diodes masu fitar da haske (LEDs) waɗanda ake iya sarrafa su da kansu.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Wannan na'urar tana ba da fa'idodi masu mahimmanci da yawa waɗanda suka sa ta dace da aikace-aikace na masana'antu da na kasuwanci. Fa'idodinta na farko sun haɗa daƙarancin buƙatun wutar lantarki, wanda yake da mahimmanci ga tsarin da ake amfani da baturi ko masu kula da makamashi. Abin dogaro na tsarin ƙwaƙƙwaran jikina fasahar LED yana tabbatar da tsawon rayuwar aiki da juriya ga girgiza da rawar jiki idan aka kwatanta da na'urorin nuni na filament ko na injina. Zanen jirgin sama ɗaya, mai faɗin kalloyana ba da kyakkyawar ganuwa daga matsayi daban-daban, wanda ke da mahimmanci ga mu'amalar mai amfani. A ƙarshe, dacewa da lambobin haruffa na yau da kullun (USASCII da EBCDIC)da kuma iyawar haɗawa a kwancesuna sauƙaƙa haɗawa cikin tsarin da ke buƙatar nunin lambobi da yawa. Kasuwanni da ake nufi sun haɗa da allunan kayan aikin ma'auni, tashoshin siyarwa, tsarin sarrafa masana'antu, da kayan gwaji inda ake buƙatar fitarwar haruffa masu ƙarfi, masu iya karantawa.

2. Zurfin Binciken Ƙayyadaddun Fasaha

Wannan sashe yana ba da cikakken bincike na haƙiƙa game da ma'auni na lantarki, na gani, da na jiki na na'urar.

2.1 Halayen Hoto da Na Gani

An ayyana aikin gani a yanayin zafin yanayi (Ta) na 25°C. Na'urar tana amfani da AlInGaP (Aluminum Indium Gallium Phosphide)kayan semiconductor don guntun LED ɗinta, waɗanda aka ƙera akan wani abu mai tushe na GaAs marar wucewa. Zaɓin wannan kayan an san shi da ingantacciyar inganci a cikin bakan ja-orange. Nunin yana da fuskar launin toka tare da launin farin ɗigo don bambanci.

• Matsakaicin Ƙarfin Hasken (I_V): Yana kewayo daga mafi ƙarancin 2100 μcd zuwa ƙimar yau da kullun na 3800 μcd. Ana ɗaukar wannan ma'auni a ƙarƙashin takamaiman yanayin tuƙi: matsakaicin halin yanzu (I_p) na 80mA tare da zagayowar aiki 1/16. Ana auna ƙarfin ta amfani da firikwensin da tacewa wanda ke kusantar da lankwasa amsawar ido na CIE photopic, yana tabbatar da cewa ƙimar tana da alaƙa da hasashen haske na ɗan adam.
• Halayen Tsawon Zango:
  • Matsakaicin Tsawon Zango na Fitowa (λ_p): Yawanci 621 nm, yana nuna mafi ƙarfin wurin fitar da haske a yankin ja-orange.
  • Tsawon Zango Mai Rinjaye (λ_d): Yawanci 615 nm. Wannan shine tsawon zango guda ɗaya wanda idon ɗan adam ke gani don dacewa da launin hasken, wanda zai iya bambanta kaɗan daga matsakaicin tsawon zango.
  • Rabin Faɗin Layin Bakan (Δλ): Yawanci 18 nm. Wannan ma'auni yana ayyana faɗin band na hasken da aka fitar, yana nuna kewayon tsawon zango a kusa da kololuwa. Ƙunƙarar rabin faɗi yana nuna launi mafi tsafta a cikin bakan.
• Matsakaicin Daidaitawar Ƙarfin Hasken (I_V-m): Yana da matsakaicin rabo na 2:1. Wannan yana ƙayyadaddun bambancin da aka yarda a cikin haske tsakanin mafi haske da mafi duhun ɗigo a cikin tsari, yana tabbatar da kamanni iri ɗaya.

2.2 Ma'auni na Lantarki

Duk halayen lantarki kuma an ƙayyade su a Ta=25°C.

• Ƙarfin Lantarki na Gaba kowane ɗigo (V_F): Yawanci 2.6V, tare da matsakaicin 2.6V, lokacin da ake tuƙa shi da halin yanzu na gaba (I_F) na 20mA. Wannan shine raguwar ƙarfin lantarki a kan LED lokacin da aka haskaka shi.
• Halin Yanzu na Baya kowane ɗigo (I_R): Matsakaicin 100 μA lokacin da aka yi amfani da ƙarfin lantarki na baya (V_R) na 5V. Wannan yana nuna matakin ɗigon ruwa lokacin da LED ke da karkatar da baya.

2.3 Matsakaicin Matsakaicin Ƙima da La'akari da Zazzabi

Waɗannan ƙima suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Ba don ci gaba da aiki ba ne.

• Matsakaicin Ragewar Wutar Lantarki kowane ɗigo: 33 mW matsakaici.
• Matsakaicin Halin Yanzu na Gaba kowane ɗigo: 90 mA matsakaici, amma kawai a ƙarƙashin yanayin bugun jini (1/10 zagayowar aiki, 0.1 ms faɗin bugun). Wannan yana ba da damar mafi girman haske na nan take.
• Matsakaicin Halin Yanzu na Gaba kowane ɗigo: Ƙimar ita ce 13 mA a 25°C. Mafi mahimmanci, wannan ƙimar tana raguwa a layi daya da adadin 0.17 mA/°C yayin da yanayin zafin yanayi ya karu sama da 25°C. Wannan ma'auni ne mai mahimmanci na ƙira don sarrafa zafin jiki.
• Ƙarfin Lantarki na Baya kowane ɗigo: 5 V matsakaici.
• Kewayon Zafin Aiki & Ajiya: -35°C zuwa +85°C.
• Zafin Solder: Na'urar na iya jure matsakaicin zafin solder na 260°C na matsakaicin dakika 3, wanda aka auna 1.6mm (1/16 inch) a ƙasan matakin wurin zama na kunshin.

3. Bayanin Tsarin Rarrabe (Binning)

Takardar bayani tana nuna cewa na'urar an rarrabe ta don ƙarfin haske. Wannan yana nufin tsarin rarrabe na masana'antu. Yayin samarwa, LEDs suna nuna bambance-bambance na halitta a cikin aiki. Ana gwada na'urori kuma a raba su (bin) dangane da ƙarfin hasken da aka auna. Wannan yana ba abokan ciniki damar zaɓar sassa a cikin takamaiman kewayon haske (misali, kewayon 2100-3800 μcd da aka ƙayyade), yana tabbatar da daidaito a cikin hasken samfurin ƙarshe. Takardar bayani ba ta ƙayyade rassa daban-daban don tsawon zango ko ƙarfin lantarki na gaba ba, yana nuna cewa rarrabe na farko ya dogara ne akan fitar da haske.

4. Binciken Lankwasa Ayyuka

Takardar bayani tana magana ne akan Lankwasa Halayen Lantarki/Gani na Yau da Kullun. Duk da yake ba a ƙididdige takamaiman jadawali a cikin rubutun da aka bayar ba, irin waɗannan lankwasan da aka haɗa a cikin cikakkun takardun bayani suna da mahimmanci don ƙira. Insiyoyi za su yi tsammanin ganin:

• Dangantakar Ƙarfin Hasken da Halin Yanzu na Gaba (Lankwasa I-V): Yana nuna yadda fitar da haske ke ƙaruwa tare da halin yanzu na tuƙi, yana taimakawa wajen saita wurin aiki don hasken da ake so.
• Dangantakar Ƙarfin Hasken da Zafin Yanayi: Yana kwatanta yadda fitar da haske ke raguwa yayin da zafin jiki ya tashi, mai mahimmanci ga aikace-aikace a cikin yanayin da ba a sarrafa yanayi ba.
• Ƙarfin Lantarki na Gaba da Halin Yanzu na Gaba: Yana ba da cikakkun bayanai na V_Fhalaye don ingantaccen ƙirar direba.
• Rarraba Bakan: Jadawali da ke nuna ƙarfin wutar lantarki da aka fitar a tsawon zango, yana tabbatar da ƙimar kololuwa da rinjaye.

Waɗannan lankwasan suna ba masu ƙira damar yin hasashen aiki a ƙarƙashin yanayin duniya na gaske, mara kyau fiye da bayanan maki ɗaya da aka bayar a cikin tebur.

5. Bayanin Injiniya da Kunshin

5.1 Girman Jiki

An kwatanta na'urar da cewa tana da tsawon matrix na 1.2 inch (30.42 mm). Wannan yana nufin tsayin tsarin ɗigo 5x7 da kansa. An yi nuni da cikakken zanen girman kunshin, tare da duk girma a cikin milimita da matsakaicin matsakaicin ±0.25 mm sai dai idan an lura da haka. Wannan zanen yana da mahimmanci don ƙirar sawun PCB (Allon Da'irar da aka Buga) da haɗin injiniya.

5.2 Haɗin Fil da Da'irar Ciki

Na'urar tana amfani da tsarin fil 14. Teburin fil yana bayyana aikin kowane fil a sarari, yana ƙayyadaddun haɗin kai zuwa takamaiman layukan anode (1-7) da ginshiƙan cathode (1-5). Wannan gama-gari-cathode kowane ginshiƙitsarin gine-gine (inda yawancin anodes na LED a cikin ginshiƙi suna raba filin cathode guda ɗaya) shine ma'auni don nunin matrix da yawa. An yi nuni da zanen da'irar ciki, wanda zai nuna wannan tsari na matrix na layin-anode, ginshiƙi-cathode a zahiri, yana tabbatar da tsarin haɗawa. Fassarar daidai na wannan fil yana da mahimmanci don ƙirar da'irar tuƙi.

6. Jagororin Solder da Haɗawa

Mahimmin ƙayyadaddun haɗawa da aka bayar shine iyakar bayanin solder na sake kunnawa: matsakaicin zazzabi na 260°C na matsakaicin tsawon dakika 3, wanda aka auna a wuri 1.6mm ƙasa da jikin kunshin. Wannan bayanin yana da mahimmanci ga injiniyoyin tsari don saita tanda na solder don hana lalacewar zafin jiki ga guntun LED ko kunshin. Don ajiya, yakamata a kiyaye ƙayyadaddun kewayon -35°C zuwa +85°C don adana ingancin na'urar kafin amfani.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni yana da kyau ga aikace-aikacen da ke buƙatar harafi ɗaya, mai iya karantawa sosai ko alama. Misalai sun haɗa da alamomin yanayi akan injinan masana'antu (nuna lambobi kamar 'A', 'C', 'F'), matsayin lambobi a cikin manyan nunin lambobi da yawa (lokacin da aka tara su), karatun sauƙi akan kayan gwaji, ko a matsayin wani ɓangare na mu'amalar mai amfani akan na'urori na musamman.

7.2 Abubuwan La'akari na Ƙira

• Da'irar Tuƙi: Ana buƙatar microcontroller ko takamaiman direban nuni IC don yin haɗawa. Dole ne da'irar ta kunna filayen anode na layi da cathode na ginshiƙi daidai a jere don haskaka tsarin ɗigo da ake so don kowane harafi. Ana buƙatar resistors masu iyakance halin yanzu ga kowane layin anode ko ginshiƙi don saita halin yanzu na gaba.
• Lissafin Halin Yanzu: Dole ne a mutunta matsakaicin halin yanzu kowane ɗigo. Don haɗa layukan N, halin yanzu na nan take na iya zama mafi girma, amma matsakaicinhalin yanzu a tsawon lokaci bai kamata ya wuce ƙimar 13 mA ba (wanda aka rage don zafin jiki). Misali, tare da haɗa zagayowar aiki 1/7, matsakaicin halin yanzu zai iya kaiwa ~91mA don cimma matsakaicin 13mA, amma wannan kuma dole ne ya kasance ƙasa da ƙimar kololuwa na 90mA.
• Gudanar da Zafin Jiki: Dole ne a yi la'akari da raguwar matsakaicin halin yanzu na gaba (0.17 mA/°C) a cikin ƙira idan ana tsammanin zafin yanayin aiki ya wuce 25°C sosai. Ƙirar allon da isasshe da yuwuwar sanyaya zafin jiki na iya zama dole a cikin yanayi mai zafi.
• Kusurwar Kallo: Yi amfani da faɗin kusurwar kallo ta hanyar sanya nuni don mafi kyawun ganuwa ta mai amfani da ake nufi.

8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar na'urorin nuni na incandescent ko na filasha (VFDs), LTP-1557AKA yana ba da mafi girman juriya ga girgiza/rawar jiki, , ƙarancin amfani da wutar lantarki, da kuma tsawon rayuwa. Idan aka kwatanta da sauran na'urorin nuni na LED matrix, amfani da AlInGaP

fasaha don ja-orange yana ba da ingantacciyar inganci da yuwuwar ingantacciyar kwanciyar hankali na launi akan lokaci da zafin jiki idan aka kwatanta da tsofaffin LEDs ja na GaAsP (Gallium Arsenide Phosphide). Haɗin takamaiman tsayin harafi na 1.2", ƙuduri 5x7, da ƙayyadaddun haske/ƙarfin rarrabe sune mahimman bambance-bambancen sa na jiki da ayyuka a cikin nau'in nunin matrix na LED.

1. 9. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)Q: Zan iya tuƙa wannan nuni tare da halin yanzu na DC akai-akai akan kowane ɗigo?
2. A: A fasaha a'a, amma ba shi da inganci sosai ga matrix. Zai buƙaci da'irori masu iyakance halin yanzu 35 (5x7). Haɗawa shine daidaitaccen hanyar da ake nufi, yana rage filayen direba da abubuwan da ake buƙata sosai.Q: Matsakaicin matsakaicin halin yanzu shine 13mA, amma tsarin haɗawa na yana amfani da zagayowar aiki 1/16. Wane matsakaicin halin yanzu zan iya amfani?A: Kuna iya ƙididdige matsakaicin halin yanzu da aka yarda: I_peak = I_avg / Zagayowar Aiki. Don zagayowar aiki 1/16, I_peak = 13mA / 0.0625 = 208mA. Duk da haka, kuna dolekuma tabbatar da cewa wannan matsakaicin halin yanzu bai wuce matsakaicin ƙimar matsakaicin halin yanzu na 90mA ba
3. . Saboda haka, iyakar 90mA ita ce ƙuntatawa a wannan yanayin.Q: Menene bambanci tsakanin tsawon zango kololuwa da tsawon zango mai rinjaye?
4. A: Tsawon zango kololuwa shine tsawon zango na zahiri inda LED ke fitar da mafi yawan ƙarfin wutar lantarki. Tsawon zango mai rinjaye shine tsawon zango guda ɗaya na fahimta wanda ya dace da launin da idon ɗan adam ke gani. Sau da yawa suna bambanta kaɗan saboda siffar bakan fitarwa na LED.Q: Zafin ajiya daidai yake da zafin aiki. Shin wannan yana nufin zan iya barin shi yana aiki a -35°C?

A: Kewayon aiki yana nuna cewa na'urar za ta yi aiki a cikin ƙayyadaddun bayanai a cikin wannan kewayon. Duk da haka, aiki (kamar ƙarfin haske) zai bambanta da zafin jiki. Kewayon ajiya kawai yana nuna yanayin da ba za a lalata na'urar da ba ta da wutar lantarki ba. Yakamata a tabbatar da ingantaccen aiki a ƙarshen iyakar kewayon a aikace-aikacen.

10. Nazarin Ƙira da AmfaniYanayi: Ƙirar nuni na lambar kuskure guda ɗaya don firikwensin masana'antu.

Firikwensin yana da microcontroller wanda ke gano yanayi daban-daban na kuskure (misali, Overload, Sensor Fail, Calibration Error). An sanya lambar haruffa da lambobi ('O', 'F', 'C') ga kowane kuskure. An zaɓi LTP-1557AKA saboda ƙarfinsa a cikin yanayin masana'antu. Filayen I/O na microcontroller, waɗanda ba su isa su tuƙi ɗigo 35 kai tsaye ba, an haɗa su da takamaiman direban LED IC. Direban yana sarrafa haɗawa, yana ɗaukar daidaitaccen tsarin harafi 5x7 daga teburin neman a cikin ƙwaƙwalwar ajiya dangane da lambar kuskure. An ƙididdige hanyar sadarwar resistor mai iyakance halin yanzu dangane da hasken da ake so, ƙarfin lantarki na gaba, ƙarfin wutar lantarki, da zagayowar aikin haɗawa, yana tabbatar da cewa ba a wuce iyakokin matsakaicin halin yanzu da matsakaici ba. Nunin yana ba da nuni na gani nan take, mai haske na nau'in kuskure ga ma'aikatan kulawa.

11. Gabatarwar Ka'idar AikiLTP-1557AKA nuni ne na LED matrix mara aiki. Ya ƙunshi guntu 35 na AlInGaP LED masu zaman kansu waɗanda aka jera a cikin grid na ginshiƙai 5 da layuka 7. Kowane LED an haɗa shi tsakanin anode na layi ɗaya da cathode na ginshiƙi ɗaya. Don haskaka takamaiman ɗigo, ana amfani da ƙarfin lantarki mai kyau ga filin anode na layin da ya dace, yayin da filin cathode na ginshiƙin da ya dace aka haɗa shi da ƙasa (ko ƙaramin ƙarfin lantarki). Tsarin gine-ginen semiconductor na ciki na kowane guntun LED ya ƙunshi nau'ikan AlInGaP na P-type da N-type waɗanda suka samar da haɗin PN. Lokacin da aka karkata zuwa gaba (anode mai kyau idan aka kwatanta da cathode), electrons da ramuka suna sake haɗuwa a cikin haɗin, suna sakin makamashi a cikin nau'in photons (haske) a tsawon zango da aka ƙaddara ta hanyar ƙarfin bandgap na kayan AlInGaP. Nunin yana haɗawa

: maimakon kunna duk ɗigogin da ake so lokaci ɗaya, mai sarrafa yana saurin zagayawa ta cikin layukan (ko ginshiƙai), yana haskaka ɗigogin da ke cikin layin aiki kawai waɗanda ke cikin harafin. Wannan yana faruwa da sauri fiye da yadda idon ɗan adam zai iya gani, yana haifar da ruɗi na harafi mai kwanciyar hankali, cikakken haske yayin da yake rage adadin filayen direba da ake buƙata daga 35 zuwa 12 (layuka 7 + ginshiƙai 5).

12. Trends na Fasaha da MahallinNuni kamar LTP-1557AKA suna wakiltar fasaha mai girma, ingantacciya. Trends a cikin nunin bayanai ya fi ƙaura zuwa mafi girman yawa, launi da yawa, da mafita na zane kamar OLEDs, TFT LCDs, da mafi kyawun matrix na LED. Duk da haka, nunin harafi ɗaya ko ƙananan lambobi kamar wannan suna da alaƙa sosai a cikin takamaiman ƙananan ƙananan saboda sauƙi, ƙarfi, babban haske, faɗin kewayon zafin aiki, da ƙarancin farashi