Takardar Bayanin LTP-747KR LED Display - Tsayin Matrix 0.7-inch (17.22mm) - Super Red - Ƙarfin Wutar Gaba 2.6V - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTP-747KR wani na'ura ne na nuni na haruffa wanda aka tsara don aikace-aikacen da ke buƙatar bayanin haruffa ko alamomi masu haske da bayyananne. Aikin sa na asali shine gabatar da bayanai ta hanyar grid na fitilun diode masu haske (LEDs) waɗanda ake iya sarrafa su kai tsaye.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Wannan na'urar tana ba da fa'idodi masu mahimmanci da yawa don haɗawa cikin tsarin lantarki. Babban fa'idarta shinehaske mai ƙarfi da bambanci mai kyau, wanda aka sauƙaƙa ta hanyar amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntun LED Super Red. Wannan fasahar kayan tana da sananniyar ingantaccen haske a cikin bakan ja/lemu. Na'urar nuni tana dafaɗin kusurwar kallo, yana tabbatar da iya karantawa daga matsayi daban-daban. An rarrabe ta don ƙarfin haske, yana ba da damar daidaita haske a cikin aikace-aikacen na'ura da yawa. Har ila yau, na'urar tana da siffarƙarancin buƙatun wutar lantarkidaamincin aiki mai ƙarfi, ba tare da sassa masu motsi ba. Takunshin maras gubarta bi ka'idojin RoHS (Ƙuntata Abubuwa Masu Haɗari). Kasuwar da ake nufi ta haɗa da kayan aikin ofis, na'urorin sadarwa, kayan aikin gida, da sauran kayan lantarki na gabaɗaya inda ake buƙatar amintaccen nuni na haruffa masu karantawa.

1.2 Bayanin Na'ura

An ayyana LTP-747KR a zahiri a matsayinna'urar nuni matrix 5x7 mai tsayin matrix 0.7 inch (17.22 mm). Wannan yana nufin yankin nuni mai aiki yana da tsayi na 17.22mm kuma ya ƙunshi grid na ginshiƙai 5 da layuka 7 na ɗigon LED, jimlar pixels 35 waɗanda ake iya kaiwa. Tana amfani daguntun LED na AlInGaP Super Redwaɗanda aka ƙera akan wani tushe na GaAs (Gallium Arsenide) marar wucewa. Bayyanar waje ta ƙunshi fuska mai launin toka tare da fararen ɗigo, wanda ke haɓaka bambanci lokacin da LEDs suka kashe.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

Wannan sashe yana ba da cikakken bincike na haƙiƙa game da iyakokin aiki da halayen aikin na'urar kamar yadda aka ayyana a cikin takardar bayanai.

2.1 Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa ga na'urar. Ba sharuɗɗan aiki na yau da kullun ba ne.

• Matsakaicin Ragewar Wutar Lantarki kowane ɗigo:33 mW. Wannan shine matsakaicin ƙarfin zafi na ci gaba da kowane ɗigon LED zai iya ɗauka.
• Kololuwar Halin Gaba kowane ɗigo:90 mA. Matsakaicin bugun wutar lantarki na ɗan lokaci da aka yarda.
• Matsakaicin Halin Gaba kowane ɗigo:13 mA a 25°C, yana raguwa a layi a 0.17 mA/°C. Wannan yana ayyana amintaccen halin DC na ci gaba, wanda dole ne a rage shi yayin da yanayin yanayi (Ta) ya ƙaru sama da 25°C.
• Kewayon Yanayin Aiki & Ajiya:-35°C zuwa +85°C. Na'urar na iya aiki kuma ana iya adana ta a cikin wannan cikakken kewayon.
• Yanayin Solder:260°C na dakika 5, an auna inci 1/16 (kusan 1.59mm) a ƙasan farfajiyar zama. Wannan ma'auni ne mai mahimmanci don hanyoyin solder na igiyar ruwa ko sake kwarara.

2.2 Halayen Lantarki & Na Gani

Waɗannan su ne ma'auni na aiki na yau da kullun da aka tabbatar an auna su a ƙarƙashin ƙayyadaddun yanayin gwaji (Ta=25°C).

• Matsakaicin Ƙarfin Hasken (Iv):1650 (Min.) zuwa 3400 (Typ.) ucd (microcandelas). An gwada shi a bugun wutar lantarki (Ip) na 32mA tare da zagayowar aiki 1/16. Wannan gwajin bugun wutar lantarki daidaitacce ne don nunin da aka haɗa don hana yin zafi yayin auna fitowar haske mai kololuwa.
• Tsawon Tsawon Tsinkaya (λp):639 nm (Na yau da kullun). Tsawon raƙuman ruwa wanda fitowar ƙarfin bakan ya fi girma.
• Matsakaicin Tsawon Tsinkaya (λd):631 nm (Na yau da kullun). Tsawon raƙuman ruwa guda ɗaya da idon ɗan adam ya gane, yana ayyana launi (Super Red).
• Rabin Faɗin Layin Bakan (Δλ):20 nm (Na yau da kullun). Faɗin bakan hasken da aka fitar a rabin matsakaicin ƙarfinsa.
• Ƙarfin Wutar Gaba kowane ɗigo (VF):2.0V (Min.) zuwa 2.6V (Max.) a gwajin wutar lantarki (IF) na 20mA. Wannan kewayon yana da mahimmanci don ƙirar da'irar tuƙi don tabbatar da daidaitaccen ƙayyadaddun wutar lantarki.
• Halin Baya kowane ɗigo (IR):100 µA (Max.) a ƙarfin wutar lantarki na baya (VR) na 5V. Takardar bayanin ta bayyana cewa wannan yanayin gwaji don siffanta kawai ne kuma dole ne kada a yi amfani da na'urar a ƙarƙashin ci gaba da son zuciya na baya.
• Matsakaicin Daidaitawar Ƙarfin Hasken:2:1 (Max.). Wannan yana ƙayyadad da matsakaicin rabo da aka yarda tsakanin mafi haske da mafi duhu a cikin na'ura guda ɗaya a ƙarƙashin yanayin tuƙi iri ɗaya, yana tabbatar da bayyanar iri ɗaya.
• Maganar Ketare:≤ 2.5%. Wannan yana ayyana matsakaicin kashi na fitowar haske da ba a so daga sassan da ba a zaɓa ba lokacin da aka haɗa nuni.

3. Bayanin Tsarin Rarraba

Takardar bayanin tana nuna cewa anrarraba na'urar don ƙarfin haske. Wannan yana nuna cewa ana rarraba raka'o'i (bin) bisa ga auna fitowar haske zuwa rukuni ko lambobi daban-daban. Alamar module ta haɗa da\"Z: LAMBAR BIN\"filin. Masu ƙira za su iya amfani da wannan don zaɓar nunin da ke da daidaitaccen haske don aikace-aikacen da ke buƙatar daidaiton gani a cikin raka'o'i da yawa. Takardar bayanin ba ta ba da cikakkun bayanai game da takamaiman matakan rarrabawa ko alamun lamba ba.

4. Bincike na Lanƙwasa Aiki

Takardar bayanin tana nufin wani sashe don \"Lanƙwasa Halayen Lantarki/Na Gani na Yau da Kullun.\" Duk da yake ba a ba da takamaiman jadawali a cikin ɓangaren da aka cire ba, irin waɗannan lanƙwasan yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken da Halin Gaba (Lanƙwasa I-V):Yana nuna yadda fitowar haske ke ƙaruwa tare da wutar lantarki, yawanci a cikin alaƙar da ba ta layi ba wacce ke cika a manyan igiyoyin ruwa.
• Ƙarfin Wutar Gaba da Halin Gaba:Yana kwatanta halayen I-V na diode.
• Dangantakar Ƙarfin Hasken da Yanayin Yanayi:Yana nuna raguwar fitowar haske yayin da zafin haɗin gwiwa ya tashi, wani mahimmin la'akari don sarrafa zafi.
• Rarraba Bakan:Wani makircin ƙarfin dangi da tsawon raƙuman ruwa, yana nuna ƙunƙuntaccen bakan hasken ja da ke kewaye da 631-639 nm.

Waɗannan lanƙwasan suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba da kuma don haɓaka ƙirar direba.

5. Bayanin Injiniya da Kunshin

5.1 Girman Kunshin

Zanen injiniya yana ba da bayanan shigarwa masu mahimmanci. Muhimman bayanan kula sun haɗa da: duk girma yana cikin milimita tare da juzu'i na gabaɗaya na ±0.25mm; juzu'in motsin ƙugiya shine 0.4mm; kuma diamita na ramin PCB da aka ba da shawarar shine Ø1.30mm. Zanen zai yi cikakken bayani game da tsayin gabaɗaya, faɗi, tsayi, tazarar ƙugiya, da wurin farfajiyar zama.

5.2 Haɗin Ƙugiya da Ƙa'idar

Na'urar tana da tsarin ƙugiya 12. Pinout kamar haka ne: 1(A1), 3(A2), 7(A4), 8(A5), 10(A3) sune Ginshiƙan Anode. Ƙugiyoyi 12(K1), 11(K2), 2(K3), 9(K4), 4(K5), 5(K6), 6(K7) sune Layukan Cathode. Wannan tsari yana ba da damar tsarin tuƙi da aka haɗa inda ake zaɓar ginshiƙai (anodes) da wutar lantarki kuma ake zaɓar layuka (cathodes) don ƙasa don haskaka takamaiman ɗigo.

5.3 Zanen Da'irar Ciki da Gano Ƙa'idar

Zanen da'irar ciki yana nuna shimfidar matrix: ginshiƙan anode 5 da layukan cathode 7, tare da LED a kowane mahaɗa. Ƙugiyoyin anode sun zama gama gari ga duk LEDs a cikin ginshiƙi a tsaye. Ƙugiyoyin cathode sun zama gama gari ga duk LEDs a cikin layi a kwance. Don haskaka takamaiman ɗigo, dole ne a tuƙi ginshiƙin anode ɗin da ya dace da ingantacciyar wutar lantarki, kuma dole ne a haɗa layin cathode ɗin da ya dace zuwa ƙasa.

6. Jagoran Solder da Taro

6.1 Bayanin Solder ta atomatik

Yanayin da aka ƙayyade shine260°C na dakika 5, an auna 1.6mm (1/16 inch) a ƙasan farfajiyar zama. Wannan bayanin ne na yau da kullun don solder na igiyar ruwa ko wasu hanyoyin sake kwarara. Dole ne zafin jikin ɓangaren kanta kada ya wuce matsakaicin ƙimar yayin haɗawa.

6.2 Solder da Hannu

Don solder da hannu, shawarar ita ce350°C ±30°C na iyakar dakika 5, sake auna shi a ƙasan farfajiyar zama. Mafi girman zafin yana ramawa don ƙarancin ingantaccen canja wurin zafi na ƙarfe idan aka kwatanta da bahon solder ko tanda.

6.3 Gwaje-gwajen Amincin Aiki (Ajiya & Sarrafa da ake nufi)

Takardar bayanin ta jera cikakken jerin gwaje-gwajen amincin aiki (Rayuwar Aiki, Ajiya Zafi/Danshi, Ajiya Zafi/Ƙananan Zafi, Kewayawar Zafin Jiki, Girgizar Zafi, Juriya Solder, Solderability) waɗanda aka yi bisa ga ƙa'idodin MIL-STD da JIS. Wucewa waɗannan gwaje-gwajen yana tabbatar da ƙarfin na'urar akan damuwar muhalli da hanyoyin haɗawa, yana sanar da yanayin ajiya daidai (a cikin kewayon -35°C zuwa +85°C) da sarrafawa a kaikaice.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni ya dace dakayan lantarki na yau da kullunciki har da amma ba'a iyakance ga: allunan kayan aikin ma'auni, tashoshin siyarwa, karatun sarrafa masana'antu, nunin kayan amfanin gida, da na'urorin sadarwa na asali inda ake buƙatar amsa mai sauƙi na haruffa.

7.2 Muhimman Abubuwan Ƙira da Gargaɗi

• Hanyar Tuƙi: Ana ba da shawarar tuƙi na wutar lantarki akai-akaidon tabbatar da daidaitaccen haske a duk sassa da kuma tsawon rayuwar na'urar, yana ramawa ga bambancin ƙarfin wutar gaba (VF) (2.0V-2.6V).
• Ƙuntatawa ta Wutar Lantarki:Dole ne a ƙera da'irar don kada ta taɓa wuce matsakaicin matsakaicin wutar lantarki, musamman la'akari da raguwar zafin yanayi. Wutar lantarki mai yawa ko yanayin aiki mai zafi yana haifar da lalacewar haske mai tsanani ko gazawa.
• Kariya daga Ƙarfin Wutar Baya:Dole ne da'irar tuƙi ta haɗa da kariya (misali, diodes na jerin gwano, da'irori masu ɗaure) daga ƙarfin wutar lantarki na baya da ƙarfin wutar lantarki yayin zagayowar wutar lantarki don hana lalacewa daga ƙaura na ƙarfe da ƙaruwar ɓarkewar wutar lantarki.
• Ƙirar Haɗawa:Lokacin amfani da tsarin tuƙi da aka haɗa (wanda ya zama dole don matrix 5x7 tare da ƙugiyoyi 12 kawai), dole ne a ƙididdige kololuwar bugun wutar lantarki don cimma matsakaicin ƙarfin haske da ake so yayin kiyaye matsakaicin wutar lantarki a cikin iyaka. Zagayowar aiki 1/16 da aka ambata a cikin yanayin gwaji alama ce ga yuwuwar rabon haɗawa.
• Gudanar da Zafi:Tabbatar da isasshen iska ko sanyaya idan ana amfani da nuni a yanayin zafi mai girma ko manyan zagayowar aiki don kiyaye aiki da tsawon rai.

8. Kwatancin Fasaha da Bambance-bambance

Duk da yake kwatancin kai tsaye da wasu samfura ba ya cikin takardar bayanin, mahimman bambance-bambancen LTP-747KR bisa ga ƙayyadaddun sa sune: amfani dafasahar AlInGaP don Super Red(gabaɗaya yana ba da inganci da kwanciyar hankali fiye da tsofaffin fasahohi don ja),tsayin harafi na 0.7-inchdon kyakkyawan karantawa a matsakaicin nisa, da kumaƙarfin haske da aka rarraba (bin)don daidaito. Tsarinsa na 5x7 daidaitacce ne don nuna cikakkun haruffa, sabanin nunin sassa 7 ko 14 masu sauƙi.

9. Tambayoyin da ake yawan yi Bisa ga Ma'auni na Fasaha

Q: Shin zan iya tuƙa wannan tare da tushen wutar lantarki akai-akai da resistor mai sauƙi?

A: Yana yiwuwa amma ba mafi kyau ba. Saboda kewayon VF (2.0V-2.6V), yin amfani da ƙayyadadden wutar lantarki da resistor zai haifar da igiyoyin ruwa daban-daban don haka matakan haske daban-daban a cikin raka'o'i daban-daban ko ma sassa daban-daban a cikin na'ura guda ɗaya. Ana ba da shawarar direba na wutar lantarki akai-akai don aiki iri ɗaya.

Q: Yanayin gwaji yana amfani da bugun wutar lantarki na 32mA. Wane wutar lantarki ne ya kamata in yi amfani da shi a cikin ƙirata?

A: Dole ne ku ƙira donMatsakaicin Halin Gabaƙimar (13mA a 25°C, an rage shi da zafin jiki). A cikin ƙirar da aka haɗa, idan kuna amfani da zagayowar aiki 1/8, zaku iya amfani da kololuwar bugun wutar lantarki har zuwa ~104mA (13mA * 8) don cimma matsakaicin iri ɗaya, amma wannan bai kamata ya wuce ƙimar Kololuwar Halin Gaba na 90mA ba. Hanya mafi aminci ita ce amfani da ƙarancin wutar lantarki mai kololuwa. Yanayin gwaji na 32mA don dalilai ne na aunawa a ƙarƙashin bugun gajere mai sarrafawa.

Q: Me \"kunshin maras gubar (bisa ga RoHS)\" ke nufi ga masana'antata?

A: Yana nufin na'urar tana amfani da kayan kammalawa masu solder (kamar tin) waɗanda ba su da gubar, suna bin ka'idojin muhalli. Tsarin haɗawa (man ɗanɗano solder, kwarara) shima ya kamata ya dace da maras gubar.

10. Ƙira mai Aiki da Lamarin Amfani

Yanayi: Ƙira karatun mai sarrafa zafin jiki mai sauƙi.Microcontroller zai sami tashoshi biyu na fitarwa: ɗaya an saita shi azaman fitarwa 5 don ginshiƙan anode (ta hanyar transistors masu iyakance wutar lantarki ko takamaiman IC direba), ɗayan kuma an saita shi azaman fitarwa 7 don layukan cathode (azaman direbobin nutsewa). Software zai haɗa ta cikin ginshiƙai da sauri, yana haskaka ƙugiyoyin layin da suka dace don kowane ginshiƙi don samar da haruffa kamar \"25 C\". Dole ne ƙirar ta ƙididdige ƙimar resistor ko saitin wutar lantarki akai-akai bisa ga ƙarfin wutar lantarki da matsakaicin wutar lantarki da ake so (misali, 10mA kowane ɗigo), yana tabbatar da cewa ya tsaya a cikin iyakar da aka rage don matsakaicin yanayin zafin akwati da ake tsammani (misali, 50°C). Za a sanya diodes na kariya akan fitarwar direba don ɗaure ƙarfin wutar lantarki na inductive.

11. Gabatar da Ƙa'idar Aiki

LTP-747KR yana aiki bisa ka'idarelectroluminescence a cikin haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce ƙarfin wutar gaba (VF) na diode a kan ɗigon LED (anode tabbatacce, cathode mara kyau), electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (rijiyoyin quantum na AlInGaP). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na semiconductor AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yana ayyana tsawon raƙuman ruwa (launi) na hasken da aka fitar—a wannan yanayin, Super Red a ~631 nm. Tushen GaAs marar wucewa yana ɗaukar hasken da ya ɓace, yana inganta bambanci. Tsarin matrix 5x7 an kafa shi ta hanyar haɗa anodes na LEDs a cikin ginshiƙai a tsaye da cathodes a cikin layuka a kwance, yana ba da damar sarrafa ɗigo 35 tare da ƙugiyoyi 12 kawai ta hanyar haɗawa ta rarraba lokaci.

12. Trends na Fasaha

Nuni kamar LTP-747KR suna wakiltar fasaha mai cikakken girma, mai tsada don fitarwa na haruffa masu launi ɗaya. Trends na gabaɗaya a cikin fasahar nuni da ƙananan nuni sun haɗa da ci gaba da canzawa zuwa manyan kayan LED masu inganci (kamar ingantaccen AlInGaP da InGaN don wasu launuka), haɗa kayan lantarki na direba kai tsaye cikin kunshin nuni (rage adadin abubuwan waje), da haɓakar madadin fasahohi kamar OLEDs don aikace-aikacen sirara, sassauƙa, ko mafi girma. Duk da haka, don aikace-aikacen da ke buƙatar haske mai girma, tsawon rai, ƙarfi, da ƙarancin farashi a cikin daidaitattun tsari, nunin matrix ɗigon LED ya kasance mafita mai yaduwa kuma mai aminci.