LTS-50801KE LED Mai Nuna Lamba Ja Mai Girman Inci 5 - Tsawon Lamba 127.0mm - Ƙarfin Lantarki Gaba 20-26V - Ƙarfin Wuta 1400mW - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTS-50801KE wani nau'in nunin lamba ne mai sassa bakwai, mai girma da bayyanawa, wanda aka tsara don aikace-aikacen da ke buƙatar nunin lambobi masu girma da tsabta. Babban aikinsa shine samar da nunin lambobi masu haske, daidaitacce, da amintacce. Babban fa'idodin wannan na'urar sun samo asali ne daga amfani da ƙwayoyin LED ja na zamani na AS-AlInGaP (Aluminum Indium Gallium Phosphide), waɗanda aka haɗa su bisa wani tushe na Gallium Arsenide (GaAs). Wannan fasaha tana samar da ƙarfin haske mai girma da tsaftar launi mai kyau. Nunin yana da fuskar baƙi tare da sassa fari, yana haifar da bayyanar da ya bambanta sosai wanda ke ƙara iya karantawa ko da a cikin wurare masu haske. Ƙarancin buƙatun wutar lantarki da ƙirar ƙwaƙƙwaran tsari sun sa ya dace da aiki na dogon lokaci, mai aminci a cikin saitunan masana'antu, kasuwanci, da kayan aikin da ake buƙatar gabatar da bayanan lambobi masu girma daga nesa.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

2.1 Halayen Gani

Ayyukan gani shine jigon aikin wannan nunin. A daidaitaccen gwajin na'urar na 30mA a kowane sashe, na'urar tana ba da matsakaicin ƙarfin haske na 242 millicandelas (mcd). Fitowar haske tana da siffar tsayin raƙuman ruwa mafi girma (λp) na 632 nanometers (nm) da tsayin raƙuman ruwa mafi rinjaye (λd) na 624 nm, duk an auna su a ƙarfin kwarara na 60mA. Wannan yana sanya hasken da aka fitar a cikin ɓangaren ja na bakan gani. Ramin layin bakan (Δλ) shine 20 nm, yana nuna ƙunƙuntaccen bandwidth da kyakkyawan jikewa na launi. Wani muhimmin ma'auni don daidaiton lambobi da yawa ko sassa da yawa shine ma'aunin daidaiton ƙarfin haske, wanda aka ƙayyade a matsakaicin 2:1 don sassa a cikin yanki mai kama da haske idan aka kunna su da 30mA. Wannan yana tabbatar da daidaiton haske a duk sassan da aka haskaka na harafi.

2.2 Halayen Lantarki

Ma'auni na lantarki suna ayyana iyakokin aiki da sharuɗɗa don nunin. Kowane sashe yana da ƙarfin lantarki na gaba (VF) wanda ya kai daga mafi ƙanƙanta 20V zuwa mafi girma 26V idan aka kunna shi da 60mA. Matsakaicin ƙididdiga na cikakke yana da mahimmanci don amincin ƙira: matsakaicin ci gaba da kwarara na gaba a kowane sashe shine 75 mA a 25°C, tare da amfani da ƙimar ragewa yayin da zafin jiki ya ƙaru. Matsakaicin ƙarfin kwarara na gaba, wanda aka yarda da shi a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms), shine 270 mA. Matsakaicin ƙarfin wuta a kowane sashe shine 1400 mW. Na'urar na iya jure ƙarfin lantarki na baya (VR) har zuwa 50V a kowane sashe, tare da matsakaicin ƙarfin kwarara na baya (IR) na 300 µA a ƙarƙashin wannan yanayin. Yankin aiki da adanawa na zafin jiki an ƙayyade shi daga -35°C zuwa +105°C, yana nuna juriyar muhalli mai ƙarfi.

3. Bayanin Tsarin Rarraba

Takardun bayanan ya nuna cewa an rarraba na'urar don ƙarfin haske. Wannan yana nuna tsarin rarraba inda ake jera raka'o'i kuma a yi musu lakabi bisa ga ƙimar hasken da aka auna a daidaitaccen gwajin na'urar (wataƙila 30mA kamar yadda matsakaicin ƙimar ya kasance). Wannan yana ba masu ƙira damar zaɓar nunin da ke da matakan haske masu daidaito don aikace-aikacensu, suna tabbatar da daidaiton gani a cikin nunin lambobi da yawa ko a cikin raka'o'i daban-daban a cikin layin samfur. Duk da yake ba a bayar da cikakkun bayanan lambobin rarrabuwa a cikin wannan ɓangaren ba, ambaton rarrabuwa yana nuna ikon masana'anta akan wannan muhimmin ma'auni na gani.

4. Bincike Mai Zurfi na Ma'auni na Fasaha

Takardun bayanan yana nuni zuwa daidaitattun maƙallan halayen lantarki/gani. Ko da yake ba a ƙayyade takamaiman jadawali a cikin rubutun da aka bayar ba, irin waɗannan maƙallan yawanci suna kwatanta alaƙa tsakanin ƙarfin kwarara na gaba (IF) da ƙarfin lantarki na gaba (VF), dogaro da ƙarfin haske akan ƙarfin kwarara na gaba, da bambancin tsayin raƙuman ruwa mafi rinjaye tare da zafin jiki ko ƙarfin kwarara. Bincika waɗannan maƙallan yana da mahimmanci don fahimtar halayen na'urar a ƙarƙashin sharuɗɗan da ba daidai ba, kamar dusar ƙanƙara ta hanyar sarrafa ƙarfin kwarara ko aiki a cikin cikakken kewayon zafin jiki. Suna taimaka wa masu ƙira su inganta da'irar tuƙi don inganci da kwanciyar hankali na aiki.

5. Bayanin Injiniya da Kunshin

LTS-50801KE kunshin nunin ne ta hanyar rami. Babban ƙayyadaddun injiniya shine tsayin lamba inci 5 (127.0 mm), wanda ke nufin girman jiki na lambar da aka nuna. Zanen girmen kunshin (wanda aka ambata amma ba a nuna dalla-dalla ba) yana ba da duk mahimman ma'auni a cikin milimita, tare da juzu'in gabaɗaya na ±0.25 mm. Wani takamaiman bayanin kula ya ambaci juzu'in canjin ƙarshen ƙusa na +0.4 mm, wanda yake da mahimmanci don shimfidar PCB da hanyoyin shigar da atomatik don tabbatar da dacewa da daidaito.

5.1 Tsarin Ƙusa da Gano Polarity

Na'urar tana da tsarin anode gama gari. Zanen da'irar ciki yana nuna duk katod ɗin sassan suna haɗuwa da kansu, tare da anodes ɗin su an haɗa su tare zuwa ƙusa gama gari (Ƙusa 8). Teburin haɗin ƙusa yana da mahimmanci don igiya daidai:

• Ƙusa 1: Katod ɗin Sashe E
• Ƙusa 2: Katod ɗin Sashe D
• Ƙusa 3: Katod ɗin Waƙa
• Ƙusa 4: Katod ɗin Matsakaici (D.P.)
• Ƙusa 5: Katod ɗin Sashe C
• Ƙusa 6: Katod ɗin Sashe B
• Ƙusa 7: Katod ɗin Sashe A
• Ƙusa 8: Anode Gama Gari
• Ƙusa 9: Katod ɗin Sashe F
• Ƙusa 10: Katod ɗin Sashe G

6. Jagororin Solder da Haɗawa

Sashen matsakaicin ƙididdiga yana ba da takamaiman yanayin solder. Ya bayyana cewa yayin haɗawa, ƙarshen guntun solder ya kamata a sanya shi inci 1/16 (kusan 1.6 mm) a ƙasa da matakin wurin zama (matsakaicin da jikin nunin ya haɗu da PCB). Lokacin solder da aka yarda shine dakika 3 a matsakaicin zafin jiki na 260°C. A madadin, ya ƙayyade cewa zafin jiki na raka'a da kanta yayin tsarin haɗawa bai kamata ya wuce matsakaicin zafin jiki da aka jera (105°C) ba. Bin waɗannan jagororin yana da mahimmanci don hana lalacewar zafi ga ƙwayoyin LED, kunshin epoxy, ko igiyoyin ciki, wanda zai iya haifar da gazawa nan take ko rage amincin dogon lokaci.

7. Bayanin Kunshin da Oda

Babban lambar oda shine LTS-50801KE. Bayanin ya fayyace cewa wannan lambar sashe ta dace da AlInGaP Ja, Nunin Anode Gama Gari. Takardun bayanan ana sarrafa shi a ƙarƙashin lambar ƙayyadaddun DS30-2008-0049. Duk da yake ba a ambaci takamaiman adadin kunshin (misali, bututu, tire, reels) a cikin ɓangaren ba, yawanci ana samun wannan bayanin akan ƙayyadaddun kunshin daban ko jagororin oda. An lura da na'urar a matsayin kunshin maras gubar wanda ya dace da umarnin RoHS (Ƙuntata Abubuwa Masu Hadari).

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nunin mai lamba mai girma ya dace da aikace-aikacen da ake buƙatar karanta bayanai daga nesa ko a cikin hasken muhalli. Amfanin gama gari ya haɗa da bangarorin sarrafa tsarin masana'antu, kayan aikin gwaji da aunawa, nunin bayanan jama'a, allunan maki, manyan agogo, da wasu nau'ikan kayan aikin likita. Ƙarfinsa mai girma da bambanci sun sa ya dace da wuraren ciki da na waje masu tsari.

8.2 Abubuwan da ake la'akari da ƙira

Dole ne masu ƙira su yi la'akari da abubuwa da yawa. Na farko, da'irar tuƙi dole ne ta samar da ƙarfin lantarki da ake buƙata (20-26V a kowane sashe) kuma ta iyakance ƙarfin kwarara zuwa matakan aminci, yawanci ta amfani da direbobi na yau da kullun ko masu jurewa na jerin da aka ƙidaya bisa ga ƙarfin wutar lantarki da faɗuwar ƙarfin lantarki na gaba na LED. Babban ƙarfin lantarki na gaba yana buƙatar wutar lantarki da ke iya isar da waɗannan matakan. Ya kamata a sarrafa zubar da zafi, musamman lokacin aiki kusa da matsakaicin ƙarfin kwarara ko a manyan yanayin zafi, la'akari da lanƙwasa ragewa don ci gaba da ƙarfin kwarara. Shimfidar PCB dole ne ta yi la'akari da tazarar ƙusa da juzu'in canjin ƙusa na +0.4mm. Don nunin lambobi da yawa, haɗawa da yawa wata dabara ce ta gama gari don sarrafa sassa da yawa tare da ƙananan layukan direba, amma dole ne ƙimar sabunta ta yi girma sosai don guje wa flicker da ake iya gani.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da ƙananan nunin sassa bakwai ko waɗanda ke amfani da tsofaffin fasahohin LED kamar GaAsP (Gallium Arsenide Phosphide), amfani da LTS-50801KE na fasahar AlInGaP yana ba da ingantaccen inganci da haske sosai. Ƙirar fuskar baƙi/sashe fari tana ba da bambanci mafi girma idan aka kwatanta da farko ko kunshin launi ɗaya. Girman lambarsa mai girman inci 5 ya cika wani takamaiman rami inda ƙananan nunin ba su isa ba. Idan aka kwatanta da nunin fluorescent na vacuum (VFDs) ko manyan LCDs na zamanin, wannan nunin LED yana ba da ƙarfi mafi girma, faɗin kewayon zafin jiki, saurin amsawa mafi sauri, da ƙananan buƙatun ƙarfin lantarki fiye da VFDs, ko da yake yana iya cinye wutar lantarki fiye da hasken baya na LCD a cikin yanayin tsaye.

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

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

A: Wannan ma'auni yana tabbatar da cewa babu wani sashe a cikin lamba ɗaya wanda ya fi haske fiye da kowane sashe sau biyu idan aka kunna shi a ƙarƙashin yanayi ɗaya. Wannan yana da mahimmanci don cimma harafi mai daidaito, kama da ƙwararru ba tare da sassa masu haske ko duhu sosai ba.

Q: Me ya sa ƙarfin lantarki na gaba yake da girma (20-26V)?

A> Babban ƙarfin lantarki na gaba sakamakon haɗin jerin ƙwayoyin LED da yawa ne a cikin kowane sashe don cimma isasshen fitowar haske a cikin babban yanki na inci 5. Tuƙi da ƙwayoyin LED da yawa a jere yana buƙatar ƙarfin lantarki mai girma daidai gwargwado.

Q: Ta yaya zan iya ƙididdige ƙimar resistor na jerin?

A> Yi amfani da Dokar Ohm: R = (Vsupply - Vf_led) / If. Misali, tare da wadataccen wutar lantarki 28V, Vf na yau da kullun na 23V, da If da ake so na 30mA: R = (28V - 23V) / 0.03A = 166.7 ohms. Yi amfani da ƙimar daidaitaccen ƙima na gaba (misali, 180 ohms) kuma tabbatar da ƙimar wutar resistor ya isa (P = If^2 * R = 0.03^2 * 180 = 0.162W, don haka resistor 0.25W ya isa).

Q: Zan iya amfani da PWM don dusar ƙanƙara?

A> Ee, canjin faɗin bugun jini (PWM) wata hanya ce mai tasiri don dusar ƙanƙara LEDs. Ya ƙunshi kunna da kashe ƙarfin kwarara a mitar da ta isa ba za a iya gani da idon ɗan adam ba (yawanci >100Hz). Aikin aiki na siginar PWM yana sarrafa matsakaicin ƙarfin kwarara don haka hasken da ake gani. Wannan ya fi dacewa da dusar ƙanƙara ta analog (rage ƙarfin kwarara na DC) yayin da yake rage canjin launi.

11: Misalin Amfani na Aiki

Yi la'akari da ƙirar babban lokacin masana'antu don layin tsarin masana'antu. Lokacin yana buƙatar nuna mintuna da dakika, ana iya karantawa daga nisan mita 10 a ƙarƙashin hasken masana'anta, kuma yana aiki da aminci 24/7. Ana iya gina tsarin ta amfani da nunin LTS-50801KE guda huɗu (biyu don mintuna, biyu don dakika). Microcontroller zai sarrafa dabaru na lokaci da bayanan sashe. Ganin babban ƙarfin lantarki na gaba, za a yi amfani da takamaiman IC direban LED wanda ke iya fitar da ƙarfin kwarara na yau da kullun a ƙarfin lantarki har zuwa 30-40V don tuƙi nunin da aka haɗa da yawa. Za a sarrafa direban ta hanyar haɗin kai daga microcontroller. Za a ƙera PCB tare da alamun fadi don sarrafa ƙarfin kwarara na sashe da soket ɗin da ke ɗaukar juzu'in canjin ƙusa. Akwatin zai haɗa da taga polycarbonate mai launi don haɓaka bambanci da kare nunin. Ƙaƙƙarfan ƙimar zafin jiki yana tabbatar da aiki mai aminci kusa da injinan masana'antu.

12. Gabatarwar Ka'idar Fasaha

Babban ka'idar fitar da haske ya dogara ne akan electroluminescence a cikin haɗin p-n semiconductor. LTS-50801KE yana amfani da kayan AS-AlInGaP (Aluminum Indium Gallium Phosphide). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap na semiconductor, wanda kai tsaye yana ƙayyade tsayin raƙuman ruwa (launi) na hasken da aka fitar. A wannan yanayin, an ƙera abun da ke ciki don samar da hasken ja a kusa da 624-632 nm. An girma layukan epitaxial akan substrate na GaAs, wanda ke samar da samfurin crystalline wanda ya dace da ma'aunin lattice na yankuna masu aiki, mai mahimmanci don cimma ingantaccen ingancin ƙididdiga na ciki da haske.

13. Trends na Fasaha da Mahallin

A lokacin wannan takardar bayanan (2008), fasahar AlInGaP ta wakilci ci gaba mai mahimmanci akan farkon GaAsP da GaP LEDs don launuka ja, orange, da rawaya, suna ba da inganci da haske mafi girma. Manyan nunin sassa bakwai kamar wannan sun kasance na kowa don ƙididdigar lambobi na musamman. Trend tun daga lokacin ya kasance zuwa ga haɗin kai da sassauci. A yau, duk da yake har yanzu ana amfani da manyan lambobin LED masu banbance-banbance, akwai babban sauyi zuwa ga allunan LED dot-matrix da manyan allunan LED masu ƙira mai kyau, waɗanda za su iya nuna ba kawai lambobi ba har ma da rubutu, zane-zane, da raye-raye, duk ana sarrafa su ta hanyar dijital. Bugu da ƙari, ingancin fasahar LED ya ci gaba da inganta sosai (misali, tare da zuwan ƙarin ingantattun kayan da tsarin), yana ba da damar nunin masu haske tare da ƙarancin amfani da wutar lantarki da ingantaccen sarrafa zafi. Duk da haka, ƙa'idodin ƙira na asali don tuƙi da aiwatar da irin waɗannan nunin - sarrafa ƙarfin kwarara, ƙarfin lantarki, zafi, da haɗawa da yawa - sun kasance masu dacewa sosai.