LTS-4801JF 0.4-inch LED Display na LED mai launin rawaya-orange - Tsayin Lamba 10mm - Ƙarfin Wutar Gaba 2.6V - Ikon 70mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTS-4801JF wani na'ura ne mai ƙima, mai nuni da lamba ɗaya mai sassa bakwai, wanda aka ƙera don aikace-aikacen da ke buƙatar nuni mai haske da bayyananne. Aikin sa na asali shine nuna lambobi 0-9 da wasu haruffa ta amfani da sassan LED masu sarrafa kansu. An ƙera na'urar don amincinta da sauƙin haɗawa cikin tsarin lantarki daban-daban.

Babban aikace-aikacen wannan nunin yana cikin allunan kayan aiki, kayan gwaji, sarrafa masana'antu, na'urorin amfani, da kowane na'ura inda ake buƙatar ƙaramin nunin lambobi mai iya karantawa. Ƙirar sa ta fifita bayyanawa da tsawon rai, wanda ya sa ya dace da yanayin kasuwanci da na masana'antu.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Nunin yana ba da fa'idodi masu mahimmanci da ke bambanta shi a kasuwa. Yana da tsayin lamba 0.4-inch (10 mm), wanda ke ba da ma'auni mai kyau tsakanin girma da iya karantawa. Sassa suna ci gaba da kuma iri ɗaya, suna tabbatar da bayyananniyar bayyanarwa lokacin da aka haskaka su. Babbar fa'ida ita ce ƙarancin buƙatar wutar lantarki, wanda ya sa ya zama mai dacewa don na'urorin da ake amfani da baturi ko na'urori masu amfani da makamashi.

Bugu da ƙari, yana ba da haske mai ƙarfi da bambanci mai ƙarfi, yana tabbatar da ganuwa ko da a cikin yanayi mai haske. Faɗin kusurwar kallo yana ba da damar karanta nunin daga matsayi daban-daban ba tare da asarar bayyananniya ba. An gina shi da amincin ƙwaƙƙwaran ƙwaƙƙwaran, yana ba da tsawon rayuwar aiki tare da ƙaramin kulawa. Hakanan an rarraba na'urar don ƙarfin haske, yana ba da daidaito a matakan haske a cikin rukunin samarwa. Kasuwar da ake nufi ta haɗa da masu ƙira na na'urorin hannu, mitoci na allon, kayan aikin likita, da allunan motoci inda sarari, amfani da wutar lantarki, da amincin suke da mahimmanci.

2. Zurfin Binciken Ƙayyadaddun Fasaha

Wannan sashe yana ba da cikakken bincike na haƙiƙa game da sigogin fasaha na na'urar kamar yadda aka ayyana a cikin takardun bayanai.

2.1 Halayen Hoto da Na Gani

Aikin gani shine tsakiyar aikin nunin. Na'urar tana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don samar da fitarwa mai launin rawaya-orange. Matsakaicin tsayin fitarwa (λp) na yau da kullun shine 611 nm lokacin da aka tuka shi da kwararar gaba (IF) na 20 mA. An ƙayyade tsayin raƙuman ruwa (λd) a 605 nm, yana ayyana launin da ake gani. Ramin rabin layin bakan (Δλ) shine 17 nm, yana nuna fitarwa mai tsaftar launi tare da ƙaramin yaduwar bakan.

Matsakaicin ƙarfin haske (Iv) kowane sashe shine ma'auni mai mahimmanci. A ƙarƙashin daidaitaccen yanayin gwaji na IF=1mA, ƙarfin yana kewayo daga mafi ƙarancin 200 μcd zuwa ƙimar yau da kullun na 650 μcd. An ƙayyade ma'aunin daidaiton ƙarfin haske tsakanin sassa a matsakaicin 2:1, yana tabbatar da daidaiton haske a cikin lamba don bayyananniyar bayyanarwa. Fuskar launin toka tare da fararen sassa yana haɓaka bambanci lokacin da LED ɗin suka kashe, yana ba da gudummawa ga kyakkyawan bayyanar haruffa da aka ambata a cikin fasali.

2.2 Ma'auni na Lantarki

Ƙayyadaddun lantarki suna ayyana iyakokin aiki da yanayi don na'urar. Ba za a iya wuce matsakaicin ƙimar ƙima ba don hana lalacewa na dindindin. Matsakaicin ɓarnawar wutar lantarki kowane sashe shine 70 mW. Matsakaicin kwararar gaba kowane sashe shine 60 mA, amma wannan yana yiwuwa ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). Ci gaba da kwararar gaba kowane sashe an ƙididdige shi a 25 mA a 25°C, tare da ƙimar raguwa na 0.33 mA/°C yayin da yanayin yanayi ya ƙaru. Matsakaicin ƙarfin lantarki na baya kowane sashe shine 5 V.

A ƙarƙashin yanayin aiki na yau da kullun (Ta=25°C, IF=20mA), ƙarfin wutar lantarki na gaba (Vf) kowane sashe yana kewayo daga 2.05V zuwa 2.6V. Kwararar baya (Ir) shine matsakaicin 100 μA lokacin da aka yi amfani da ƙarfin lantarki na baya (Vr) na 5V. Waɗannan ma'auni suna da mahimmanci don ƙirar daidaitaccen da'irar iyakancewar kwarara da tabbatar da aiki mai ƙarfi a tsawon rayuwar na'urar.

2.3 Ƙayyadaddun Zafi da Muhalli

An ƙididdige na'urar don kewayon zafin aiki na -35°C zuwa +85°C da kewayon zafin ajiya na -35°C zuwa +85°C. Wannan faɗin kewayon ya sa ya dace da aikace-aikace a cikin mawuyacin yanayi. Rage ci gaba da kwararar gaba tare da zafin jiki (0.33 mA/°C) shine mahimmin la'akari na ƙira don hana yin zafi da tabbatar da tsawon rai. Takardun bayanai kuma ya ƙayyade bayanin yanayin zafin gyaɗa: na'urar na iya jure 260°C na tsawon dakika 3 a wuri 1/16 inch ƙasa da matakin wurin zama. Yin bin wannan jagorar yana da mahimmanci yayin aikin haɗa PCB don guje wa lalacewar zafi ga guntuwar LED ko kunshin.

3. Bayanin Tsarin Rarrabawa

Takardun bayanai ya nuna cewa an "rarraba na'urar don ƙarfin haske." Wannan yana nufin wata gama gari a cikin masana'antar LED da aka sani da rarrabawa. Saboda bambance-bambancen da ke cikin tsarin ƙirar semiconductor, LED ɗin daga rukunin samarwa ɗaya na iya samun bambance-bambance kaɗan a cikin ma'auni masu mahimmanci kamar ƙarfin haske, ƙarfin wutar lantarki na gaba, da tsayin raƙuman ruwa.

Don tabbatar da daidaito ga mai amfani na ƙarshe, masana'antun suna auna waɗannan ma'auni kuma suna rarraba LED ɗin zuwa "kwandon" daban-daban. LTS-4801JF an rarraba shi musamman don ƙarfin haske (Iv). Wannan yana nufin cewa a cikin oda ɗaya ko reel, hasken sassan zai faɗi cikin ƙayyadaddun kewayon, ƙunƙuntaccen kewayon (kamar yadda ma'aunin daidaiton 2:1 ya nuna). Wannan yana kawar da manyan bambance-bambance a cikin haske tsakanin raka'a daban-daban a aikace-aikace, wanda yake da mahimmanci ga nunin lambobi da yawa ko samfuran inda daidaiton gani yake da mahimmanci. Takardun bayanai yana ba da ƙimar min/typ/max (200/650 μcd), amma takamaiman lambobin kwandon don ƙungiyoyi masu ƙarfi za a samu daga masana'anta bisa buƙata.

4. Binciken Lanƙwasa Aiki

Duk da yake ba a ƙididdige takamaiman jadawali a cikin rubutun da aka bayar ba, takamaiman lanƙwasa halaye don irin wannan na'urar zai zama mahimmanci don zurfin binciken ƙira. Waɗannan yawanci sun haɗa da:

• Dangantakar Ƙarfin Hasken Haske da Kwararar Gaba (Lanƙwasa I-V):Wannan jadawali yana nuna yadda fitarwar haske ke ƙaruwa tare da kwararar tuƙi. Yawanci ba layi daya bane, tare da raguwar inganci a manyan kwararori saboda tasirin zafi. Masu ƙira suna amfani da wannan don zaɓar mafi kyawun wurin aiki wanda ke daidaita haske tare da amfani da wutar lantarki da tsawon rai.
• Ƙarfin Wutar Gaba da Kwararar Gaba:Wannan lanƙwasa yana da mahimmanci don ƙirar da'irar tuƙi. Yana nuna raguwar ƙarfin lantarki a kan LED don wani kwarara, yana tabbatar da ƙayyadaddun Vf kuma yana taimakawa wajen ƙididdige ɓarnawar wutar lantarki.
• Dangantakar Ƙarfin Hasken Haske da Yanayin Yanayi:Wannan jadawali yana kwatanta yadda fitarwar haske ke raguwa yayin da zafin haɗin LED ya ƙaru. Yana jaddada mahimmancin sarrafa zafi, musamman lokacin aiki a manyan kwararori ko a cikin yanayin yanayi mai girma.
• Rarraba Bakan:Zane na dangantakar ƙarfi da tsayin raƙuman ruwa, yana nuna kololuwa a ~611 nm da siffar bakan fitarwa, yana tabbatar da tsaftar launi da rabin faɗin bakan ya nuna.

Waɗannan lanƙwasa suna ba da damar injiniyoyi su yi hasashen aiki a ƙarƙashin yanayin da ba daidai ba kuma su inganta ƙirar su don aminci da inganci.

5. Bayanin Injiniya da Kunshin

Ginin jiki na na'urar an ayyana shi ta girman kunshin sa. Takardun bayanai ya haɗa da cikakken zane mai girma (duk girma a cikin millimeters tare da juzu'in gabaɗaya na ±0.25mm sai dai idan an lura). Muhimman fasali sun haɗa da tsayin gabaɗaya, faɗi, da tsayin kunshin, tazarar tsakanin fil, da matsayin maki goma (wanda aka lura da shi a matsayin "Rt. Hand Decimal" a cikin bayanin sashi).

Zanen haɗin fil yana da mahimmanci don daidaitaccen shimfidar PCB. LTS-4801JF na'ura ce ta anode gama gari. Zanen da'irar ciki yana nuna cewa duk anodes na sassa an haɗa su tare a ciki zuwa fil biyu (fil 3 da fil 8, waɗanda suka zama gama gari). Cathodes na kowane sashe (A, B, C, D, E, F, G, da Decimal Point) an fitar da su zuwa fil ɗin kowane (1, 2, 4, 5, 6, 7, 9, 10 bi da bi). Fil 6 na musamman ne don cathode maki goma. Wannan tsari yana buƙatar da'irar tuƙi mai nutsewa, inda aka haɗa anode(s) gama gari zuwa ƙarfin wutar lantarki mai kyau, kuma an ja ƙananan cathodes ɗin sassa (an nutsar da su ƙasa) ta hanyar resistors masu iyakancewa don kunna su.

6. Jagororin Gyaɗa da Haɗawa

Daidaitaccen sarrafawa yayin haɗawa yana da mahimmanci. Matsakaicin ƙimar ƙima ya ƙayyade yanayin gyaɗa: na'urar na iya jure zafin 260°C na tsawon dakika 3, wanda aka auna 1/16 inch (kusan 1.6 mm) ƙasa da matakin wurin zama. Wannan shine daidaitaccen bayanin sake gyaɗa. Yana da mahimmanci a bi wannan jagorar don hana girgizar zafi, wanda zai iya lalata haɗin waya na ciki, lalata guntuwar LED, ko lalata kunshin.

Shawarwari na gabaɗaya sun haɗa da: amfani da tanda sake gyaɗa mai sarrafawa tare da ingantaccen bayanin zafin jiki; guje wa gyaɗa hannu kai tsaye zuwa fil ɗin na'urar idan zai yiwu; tabbatar da PCB ya kasance mai tsabta kuma ba shi da gurɓataccen abu; da bin ƙa'idodin ESD (Fitar da Lantarki Mai Tsauri) yayin sarrafawa, saboda LED suna da hankali ga lantarki. Don ajiya, an ƙayyade kewayon -35°C zuwa +85°C a cikin yanayi mai bushewa, maras lantarki.

7. Bayanin Kunshin da Oda

Lambar sashi na asali shine LTS-4801JF. Maɗaurin "JF" na iya nuna takamaiman halaye kamar launi (rawaya-orange) da nau'in kunshin. Duk da yake ba a ƙididdige shi a cikin wannan ɓangaren ba, kunshin na yau da kullun don irin waɗannan sassa zai kasance akan tef ɗin anti-static da reel, wanda ya dace da injunan haɗawa na zaɓi da wuri. Ƙimar reel (misali, guda 1000, guda 2000) za a ayyana ta masana'anta. Don yin oda, dole ne injiniyoyi su ƙayyade cikakken lambar sashi. Idan masana'anta suna ba da kwandon daban-daban don ƙarfin haske ko ƙarfin wutar lantarki na gaba, ƙarin lambobin kwandon za a iya haɗa su zuwa lambar sashi (misali, LTS-4801JF-XXX). Yana da mahimmanci a tuntubi cikakken jagorar samfurin masana'anta ko mai rarrabawa don cikakkun zaɓuɓɓukan oda da ƙayyadaddun kunshin.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

LTS-4801JF ya dace da kowane aikace-aikace da ke buƙatar lamba ɗaya mai iya karantawa sosai. Amfanin gama gari sun haɗa da: mitocin allon don ƙarfin lantarki, kwarara, ko zafin jiki; nunin lokaci da ƙidaya; allunan maki; allunan sarrafa kayan aiki (misali, tanda, microwave); kayan aikin gwaji da aunawa; da alamomin matsayi akan injinan masana'antu. Ƙarancin amfani da wutar lantarki ya sa ya zama ɗan takara don na'urorin hannu, masu aiki da baturi.

8.2 La'akari da Da'irar Ƙira

Lokacin ƙira tare da wannan nunin, dole ne a yi la'akari da abubuwa da yawa. Na farko, dole ne a ƙididdige resistor mai iyakancewa mai dacewa don kowane sashe (ko resistor ɗaya akan anode gama gari idan an yarda da daidaiton haske) dangane da kwararar gaba da ake so (misali, 10-20 mA) da ƙarfin wutar lantarki. Tsarin shine R = (V_supply - Vf_LED) / I_LED. Yin amfani da matsakaicin Vf (2.6V) yana tabbatar da cewa resistor ba ta da ƙarami.

Na biyu, da'irar tuƙi dole ne ta iya nutse duka kwararar don duk sassan da aka haskaka. Idan duk sassa tare da maki goma suna kunne (nuna lambar '8.'), fil ɗin anode gama gari dole ne ya ba da har zuwa 9 * I_LED. IC ɗin tuƙi (kamar fil ɗin microcontroller GPIO ko tuƙi na nunin da aka keɓe) dole ne ya sami isasshen ƙarfin nutsewa don filayen cathode. Ba a buƙatar haɗawa da yawa don lamba ɗaya, amma don ƙirar lambobi da yawa ta amfani da nunin iri ɗaya, za a buƙaci tsarin haɗawa da yawa don sarrafa lambobi da yawa tare da ƙananan fil ɗin I/O. Yakamata a yi la'akari da ɓarkewar zafi idan ana aiki kusa da matsakaicin kwararar ci gaba, musamman a cikin yanayin yanayi mai girma.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar incandescent ko nunin fluorescent na vacuum (VFDs), LTS-4801JF yana ba da fa'idodi masu mahimmanci: ƙarancin amfani da wutar lantarki, tsawon rai (amincin ƙwaƙƙwaran ƙwaƙƙwaran), saurin amsawa mafi sauri, da juriya mafi girma ga girgiza da girgiza. Idan aka kwatanta da sauran fasahohin LED, amfani da kayan AlInGaP yana ba da inganci mai girma da ingantaccen kwanciyar hankali na launi don launuka ja, orange, da rawaya, sau da yawa tare da ingantaccen aiki a cikin yanayin zafi fiye da wasu tsofaffin kayan LED.

A cikin nau'in nunin sassa bakwai, bambance-bambancensa na musamman sune takamaiman tsayin lamba 0.4-inch, launin rawaya-orange, tsarin anode gama gari, haɗa da maki goma na hannun dama, da rarrabawa don daidaiton ƙarfin haske. Masu ƙira za su kwatanta shi da wasu girma (0.3", 0.5", 0.56"), launuka (ja, kore, shuɗi), tsari (cathode gama gari), da matakan haske don zaɓar mafi kyawun sashi don aikace-aikacen su.

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

Q: Menene manufar filayen anode gama gari biyu (3 da 8)?

A: An haɗa su a ciki. Samun fil biyu yana taimakawa wajen rarraba jimillar kwararar anode, yana rage yawan kwarara a cikin fil ɗaya, yana inganta aminci, kuma yana iya taimakawa wajen shimfidar PCB don hanyoyin wutar lantarki.

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

A: A'a. Dole ne ka yi amfani da resistor mai iyakancewa a jere tare da kowane cathode sashe. Haɗawa kai tsaye zai iya wuce matsakaicin kwararar gaba kuma ya lalata sashen LED. Ƙididdige ƙimar resistor dangane da ƙarfin wutar lantarki (misali, 5V), ƙarfin wutar lantarki na LED (~2.6V), da kwararar da kuke so (misali, 15 mA).

Q: Menene ma'anar "ma'aunin daidaiton ƙarfin haske 2:1"?

A> Yana nufin cewa mafi ƙarancin sashe a cikin na'urar ba zai zama ƙasa da rabin haske kamar mafi haske sashe a ƙarƙashin yanayin gwaji iri ɗaya. Wannan yana tabbatar da daidaiton gani a cikin lamba.

Q: Ta yaya zan fassara raguwar kwararar gaba?

A> Ƙimar ci gaba da kwararar gaba na 25 mA yana aiki ne a 25°C yanayi. Ga kowane digiri Celsius sama da 25°C, dole ne ka rage matsakaicin kwararar ci gaba da aka yarda da 0.33 mA don hana yin zafi. Misali, a yanayin 50°C, matsakaicin kwarara zai zama 25 mA - (0.33 mA/°C * 25°C) = 16.75 mA.

11. Misalin Ƙira da Amfani na Aiki

Yi la'akari da ƙirar ma'aunin zafi na dijital mai aiki da baturi wanda ke nuna zafin jiki zuwa wuri goma ɗaya. Microcontroller yana karanta na'urar firikwensin zafin jiki, yana sarrafa bayanan, kuma yana buƙatar tuƙa nunin lamba ɗaya don lambar gabaɗaya da maki goma. LTS-4801JF zaɓi ne mai dacewa.

Matakan ƙira za su haɗa da: 1) Sanya filayen microcontroller GPIO zuwa kowane cathode sashe (A-G) da cathode maki goma (DP). 2) Haɗa filayen anode gama gari biyu (3 & 8) zuwa layin wutar lantarki mai kyau (misali, 3.3V ko 5V) ta hanyar resistor ɗaya mai iyakancewa idan an yarda da daidaiton haske, ko resistors ɗaya kowane sashe don sarrafa daidai. 3) Ƙididdige ƙimar resistor. Don wadataccen wutar lantarki na 3.3V, manufar kwarara na 10mA, da Vf na 2.6V: R = (3.3V - 2.6V) / 0.01A = 70 Ohms. Za a yi amfani da daidaitaccen resistor 68 ko 75 Ohm. 4) Rubuta firmware don canza ƙimar zafin jiki (misali, "25.7") zuwa daidaitaccen tsarin ayyukan sassa don nuna "5" da haskaka maki goma. Anode gama gari koyaushe yana samun wutar lantarki, kuma microcontroller yana nutsar da kwarara zuwa ƙasa akan cathodes masu dacewa da sassan da ake buƙata don samar da lambar "5" (sassa A, C, D, F, G) da cathode DP.

12. Gabatarwar Ka'idar Fasaha

LTS-4801JF ya dogara ne akan fasahar LED (Light Emitting Diode). LED diode ne na semiconductor p-n junction. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin haɗin gwiwa. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Launin haske an ƙaddara shi ta hanyar bandgap na kayan semiconductor.

Wannan na'ura ta musamman tana amfani da kayan AlInGaP (Aluminum Indium Gallium Phosphide) da aka girma akan substrate na Gallium Arsenide (GaAs) mara bayyananne. AlInGaP yana da bandgap mai dacewa don fitar da haske a cikin bakan ja zuwa rawaya-orange. Substrate "mara bayyananne" yana taimakawa inganta bambanci ta hanyar sha haske mara kyau, yana ba da gudummawa ga babban ma'auni na bambanci da aka ambata a cikin fasali. Kowane sashe na lamba yana ƙunshe da ɗaya ko fiye da ƙananan guntuwar LED na AlInGaP. Fuskar launin toka da fararen sassa wani ɓangare ne na kunshin filastik, wanda ke aiki azaman mai watsawa da ruwan tabarau don siffanta fitarwar haske don mafi kyawun ganuwa da kusurwar kallo.

13. Trends da Ci gaban Fasaha

Fagen fasahar nunin yana ci gaba da haɓakawa. Duk da yake tsofaffin nunin LED na sassa bakwai kamar LTS-4801JF sun kasance masu dacewa sosai don sauƙinsu, amincinsu, da ingancin farashi a aikace-aikacen nunin lambobi, ana bayyana manyan trends. Akwai motsi gabaɗaya zuwa haɗin kai mafi girma, kamar nunin tare da masu sarrafawa na ciki (hanyoyin sadarwa na I2C ko SPI) waɗanda ke sauƙaƙe hanyar sadarwar microcontroller da rage adadin fil ɗin I/O da ake buƙata.

Dangane da kayan, yayin da AlInGaP yake da kyau ga ja/orange/rawaya, wasu kayan kamar InGaN (Indium Gallium Nitride) sun mamaye bakan shuɗi da kore kuma ana amfani da su a cikin LED ɗin fari. Bincike yana ci gaba da inganta inganci (lumens kowace watt), bayyana launi, da tsawon rai a cikin duk launukan LED. Don aikace-aikacen sassa bakwai musamman, trends suna mayar da hankali kan samun ƙarancin amfani da wutar lantarki don na'urorin IoT, haske mafi girma don aikace-aikacen iya karanta rana, da ƙunƙuntaccen kunshin don ƙirar samfura masu kyau. Duk da haka, ƙa'idar asali da aikace-aikacen nunin sassa bakwai daban-daban a matsayin ƙaƙƙarfan hanyar sadarwa ta ɗan adam da ake fahimta cikin sauƙi suna ci gaba da zama babban abu a cikin ƙirar lantarki.