Bayanin Fasaha na Nunin LED na LTD-4830CKR-P - Tsawon Lamba 0.39-inch - Ja Mai Girma - Ƙarfin Wutar Gaba 2.6V - Takardun Fasaha na Hausa

1. Bayanin Samfur

Samfurin wani na'ura ne da ake hawa a saman (SMD) wanda ke nuna lambobi biyu ta amfani da sassa bakwai (seven-segment) na LED. Babban aikinsa shine nunin lambobi a cikin na'urorin lantarki inda ake buƙatar bayyani da aminci.

1.1 Siffofi na Cibiyar da Kasuwar Da Ake Nufi

Wannan nunin yana da tsawon lamba 0.39-inch (10.0 mm), yana ba da kyakkyawan karantawa. Yana amfani da fasahar semiconductor ta AlInGaP akan GaAs don samar da haske mai launin \"Ja Mai Girma\". Kayan yana da fuskar launin toka tare da fararen sassa, wanda ke ƙara bambanci. Muhimman fa'idodi sun haɗa da ƙarancin amfani da wutar lantarki, haske mai ƙarfi, faɗin kusurwar kallo, da amincin kayan. An rarrabe shi don ƙarfin haske kuma ya bi ka'idojin marasa gubar (RoHS). Aikace-aikacensa na yau da kullun sun haɗa da na'urorin lantarki na masu amfani, allunan kayan aiki, da hanyoyin haɗin kai na masana'antu inda ake fifita kayan SMD masu tanadin sarari.

1.2 Gano Na'ura

Takamaiman lambar sashi ita ce LTD-4830CKR-P. Wannan alamar tana nuna tsarin anode gama gari tare da maki goma na hannun dama. Kalmar \"Super Red\" tana nufin takamaiman launi da fasahar kayan guntu na LED da aka yi amfani da su.

2. Ma'auni na Fasaha: Cikakken Bayani Na Haƙiƙa

2.1 Matsakaicin Matsakaicin Ma'auni

Waɗannan ma'auni suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. Matsakaicin ɓarnar wutar lantarki a kowane sashi shine 70 mW. Matsakaicin halin yanzu na gaba a kowane sashi shine 90 mA, amma wannan yana yiwuwa ne kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms). Ci gaba da halin yanzu na gaba a kowane sashi an ƙididdige shi a 25 mA a 25°C, tare da ƙimar raguwa na 0.28 mA/°C, ma'ana yawan halin yanzu da aka yarda yana raguwa yayin da yanayin yanayi ya tashi. An ƙididdige na'urar don aiki da adana a cikin kewayon zafin jiki na -35°C zuwa +105°C. Yanayin gini na ƙarfe an ƙayyade shi azaman tsari sau ɗaya na dakika 3 a 300°C.

2.2 Halayen Wutar Lantarki da Hasken Wuta

Waɗannan su ne ma'auni na yau da kullun na aiki da aka auna a 25°C. Ƙarfin haske (Iv) yana dogara sosai da halin yanzu: yawanci 501-1700 µcd a 1 mA da 22100 µcd a 10 mA a kowane sashi. Tsawon tsayin fitarwa (λp) shine 639 nm, kuma babban tsayin tsayi (λd) shine 631 nm, yana sanya fitarwa a cikin yankin ja na bakan. Rabin faɗin layin bakan (Δλ) shine 20 nm. Ƙarfin wutar lantarki na gaba (Vf) a kowane guntu yawanci 2.6V ne a gwajin halin yanzu na 20 mA. Halin yanzu na baya (Ir) shine matsakaicin 100 µA a ƙarfin wutar lantarki na baya (Vr) na 5V, amma yana da mahimmanci a lura cewa wannan yanayin gwaji ne; ba a ƙera na'urar don ci gaba da aikin baya ba. An ƙayyade daidaitawar ƙarfin haske tsakanin sassan tare da matsakaicin rabo na 2:1 a ƙarƙashin irin wannan yanayin tuƙi don tabbatar da kamanni iri ɗaya. Magana tsakanin sassan an iyakance shi zuwa ≤ 2.5%.

2.3 Bayanin Tsarin Rarrabe

Fitar hasken LED ta dabi'a tana bambanta a cikin samarwa. Don tabbatar da daidaito ga mai amfani na ƙarshe, ana rarraba na'urori zuwa kwandon shara dangane da ƙarfin hasken da aka auna a daidaitaccen halin tuƙi na 1 mA. Teburin kwandon da aka bayar ya lissafa nau'ikan biyar (G, H, J, K, L) tare da ƙayyadaddun iyakoki mafi ƙanƙanta da matsakaicin ƙarfin haske a cikin microcandelas (µcd), kowannensu yana da juzu'i na +/-15%. Misali, Kwandon G ya ƙunshi 501-800 µcd, yayin da Kwandon L ya ƙunshi 3401-5400 µcd. Wannan yana ba masu ƙira damar zaɓar matakin haske wanda ya dace da buƙatun aikace-aikacen su.

3. Bincike na Lanƙwasa Ayyuka

Takardun bayanan suna nuni zuwa lanƙwasa halaye na yau da kullun, waɗanda ke da mahimmanci don fahimtar halayen na'ura a ƙarƙashin yanayin da ba daidai ba. Duk da yake ba a ƙididdige takamaiman jadawali a cikin rubutun da aka bayar ba, irin waɗannan lanƙwasa yawanci sun haɗa da:

• Lanƙwasa IV (Halin Yanzu da Ƙarfin Wutar Lantarki):Yana nuna alaƙa tsakanin halin yanzu na gaba da ƙarfin wutar lantarki na gaba, wanda ba layi daya ba ne. Wannan yana da mahimmanci don ƙira da'irar iyakance halin yanzu.
• Ƙarfin Hasken Wuta da Halin Yanzu na Gaba:Yana nuna yadda fitar haske ke ƙaruwa tare da halin tuƙi, yana taimakawa wajen ingantawa don haske da inganci.
• Halayen Zafin Jiki:Zai nuna yadda ƙarfin wutar lantarki na gaba da ƙarfin haske ke canzawa tare da yanayin yanayi ko haɗin gwiwa, yana sanar da yanke shawara na sarrafa zafi.
• Rarraba Bakan:Jadawali na ƙarfin dangi da tsayin tsayi, yana tabbatar da kololuwar tsayin tsayi da manyan tsayin tsayi da faɗin bakan.

Ya kamata masu ƙira su tuntubi cikakkun jadawalin takardun bayanai don yin hasashen daidai game da aiki a cikin takamaiman yanayin aiki.

4. Bayanin Injiniya da Kunshin

4.1 Girman Kunshin

Na'urar ta zo a cikin daidaitaccen kunshin SMD. An ba da duk mahimman girmomi a cikin milimita tare da juzu'i na gabaɗaya na ±0.25 mm sai dai idan an faɗi. Zanen ya haɗa da tsayin gabaɗaya, faɗi, da tsayi, tazarar jagora, da matsayi na maki goma. Ƙarin bayanan inganci sun ƙayyade iyakoki don abubuwan waje akan sassa (≤10 mil), gurɓataccen tawada a saman (≥20 mils), kumfa a cikin sassa (≤10 mil), lanƙwasa mai nuni (≤1% na tsayi), da ƙwanƙwasa fil ɗin filastik (matsakaicin 0.1 mm).

4.2 Zanen Da'irar Ciki da Haɗin Fil

Zanen da'irar ciki yana nuna tsarin anode gama gari don lambobi biyu. Anode na kowane lamba gama gari ne, yayin da kowane sashi (A-G da DP) yana da nasa fil ɗin cathode. Teburin haɗin fil yana nuna taswira daidai na kunshin fil 20. Misali, fil 3 da 18 sune anodes gama gari na Lamba 1, yayin da fil 8 da 13 suke na Lamba 2. An sanya cathodes na takamaiman sassa (misali, A1, B1, DP1) zuwa wasu filaye. Wannan bayanin yana da mahimmanci don ƙirƙirar daidaitaccen sawun PCB da ƙira da'irar tuƙi.

4.3 Tsarin Fil ɗin Gina da Aka Shawarta

An ba da ƙirar tsarin ƙasa don tabbatar da haɗin gini mai aminci yayin ginin sake kunnawa. Yin bin wannan tsarin da aka ba da shawarar yana taimakawa wajen hana kabari, rashin isasshen gini, ko gada.

5. Jagororin Gina da Taro

5.1 Umarnin Gina SMT

An ƙera na'urar don sake ginin sake kunnawa. Shafin da aka ba da shawarar ya haɗa da matakin dumama kafin na 120-150°C na matsakaicin dakika 120, sannan kololuwar zafin jiki bai wuce 260°C ba. Matsakaicin adadin zagayowar tsarin sake kunnawa dole ne ya zama ƙasa da biyu. Idan ana buƙatar wucewa ta biyu, dole ne a bar taron ya yi sanyi zuwa yanayin zafi na yau da kullun tsakanin zagayowar. Don gyara da hannu, gini da ƙarfe yana iyakance sau ɗaya kawai, a matsakaicin zafin jiki na 300°C na ƙasa da dakika 3. An sanya waɗannan iyakokin don hana lalacewar zafi ga kunshin filastik da haɗin wayoyi na ciki.

5.2 Hancin Danshi da Ajiya

Kunshin SMD yana da hankali ga danshi. Ana jigilar shi a cikin jakar kariya daga danshi tare da Matakin Hankalin Danshi (MSL) na 3. Wannan yana nufin cewa dole ne a yi amfani da na'urar a cikin sa'o'i 168 (mako ɗaya) bayan buɗe jakar lokacin da aka adana a yanayin masana'anta (≤30°C/60% RH). Idan an fallasa fiye da wannan ko ba a adana a cikin yanayi bushewa ba, dole ne a gasa sassan kafin sake kunnawa don fitar da danshin da aka sha kuma a hana lalacewar \"popcorning\" yayin gini. An ƙayyade yanayin gasa: 60°C na ≥48 hours idan akan reel, ko 100°C na ≥4 hours / 125°C na ≥2 hours idan a cikin girma.

6. Bayanin Kunshin da Oda

6.1 Ƙayyadaddun Kunshin

Ana samar da na'urori akan tef ɗin ɗaukar kaya mai inci 13 da aka nannade a kan reels. Kowace reel tana ƙunshe da guda 550. An ƙayyade mafi ƙarancin adadin kunshin na guda 200 don ragowar kuri'un. An ba da cikakkun girmomi don reel ɗin kunshin, aljihun tef ɗin ɗaukar kaya wanda ke riƙe da na'urar, da jagorar tef ɗin / trailer don tabbatar da dacewa da kayan aikin zaɓe da sanyawa ta atomatik.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Shawarwari na Aikace-aikace

Wannan nunin an yi niyya ne don na'urorin lantarki na yau da kullun kamar kayan aikin ofis, na'urorin sadarwa, da na'urorin gida. Don aikace-aikacen da ke buƙatar aminci na musamman inda gazawar za ta iya haifar da haɗari (misali, jiragen sama, tsarin likita), ana buƙatar tuntuba. Dole ne a ƙira da'irar tuƙi don bin cikakkun ma'auni. Muhimman abubuwan da ake la'akari da su sun haɗa da:

• Sarrafa Halin Yanzu:LEDs na'urori ne masu tuƙi na halin yanzu. Dole ne a yi amfani da madugu na halin yanzu na dindindin ko masu iyakance halin yanzu da suka dace don hana wuce matsakaicin halin yanzu na ci gaba, wanda ke haifar da lalacewar haske mai tsanani ko gazawa.
• Gudanar da Zafin Jiki:Yin aiki a yanayin zafi sama da kewayon da aka ba da shawarar yana haɓaka tsufa. Tabbatar da isasshen shimfidar PCB da iska, musamman lokacin tuƙi a manyan halayen yanzu.
• Kariyar Wutar Lantarki:Ya kamata da'irar ta haɗa da kariya daga ƙarfin wutar lantarki na baya da ƙwanƙwasa ƙarfin wutar lantarki na wucin gadi yayin jerin kunna/kashe wutar lantarki, saboda LEDs suna da ƙaramin ƙarfin wutar lantarki na baya.
• Zaɓin Kwandon:Zaɓi kwandon ƙarfin haske da ya dace (G zuwa L) dangane da buƙatun haske da yanayin kallo na aikace-aikacen ƙarshe.

7.2 Tambayoyi na Gama Gari Dangane da Ma'auni na Fasaha

Tambaya: Wane halin yanzu na tuƙi zan yi amfani da shi?

Ama: Halin yanzu ya dogara da hasken da ake buƙata. Duba lanƙwasa Iv da If. Matsakaicin wurin aiki yana tsakanin 5-20 mA a kowane sashi. Koyaushe yi amfani da tushen halin yanzu na dindindin ko resistor na jerin da aka ƙididdige ta amfani da (Ƙarfin Wutar Lantarki - Jimlar Vf na jerin LEDs) / Halin Yanzu da Ake So.

Q: Zan iya haɗa waɗannan lambobin?

A: Ee, tsarin anode gama gari ya dace don haɗawa. Ta hanyar kunna anode gama gari na kowane lamba a jere da gabatar da bayanan cathode na wannan lamba, zaku iya sarrafa lambobi da yawa tare da ƙananan filaye na I/O. Tabbatar cewa kololuwar halin yanzu a cikin aikin haɗawa bai wuce matsakaicin ma'auni ba.

Q: Ta yaya zan fassara rabon daidaitawar ƙarfi na 2:1?

A: Wannan yana nufin cewa a cikin na'ura guda ɗaya, mafi ƙarancin sashi ba zai zama ƙasa da rabin haske kamar mafi haske ba lokacin da aka tuƙa a ƙarƙashin yanayi iri ɗaya. Wannan yana tabbatar da daidaiton gani.

8. Ka'idar Aiki da Trends na Fasaha

8.1 Ka'idar Aiki

Na'urar tana aiki akan ka'idar electroluminescence a cikin haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce bakin kofa na diode, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki (AlInGaP epitaxial layer). Wannan sake haɗuwa yana sakin makamashi a cikin nau'in photons, yana samar da haske. Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap don haka tsayin tsayi (launi) na hasken da aka fitar, a wannan yanayin, ja. Kowane sashi na lamba wani saiti ne na waɗannan guntu na LED waɗanda aka haɗa su cikin tsari.

8.2 Mahallin Fasaha da Trends

Fasahar AlInGaP ta balaga don samar da LED ja, orange, da rawaya masu inganci. Idan aka kwatanta da tsofaffin fasahohi, tana ba da haske mafi girma da ingantaccen kwanciyar hankali na zafin jiki. Trends a cikin abubuwan nuni kamar wannan yana zuwa ga mafi girman yawan pixel (ƙananan sassa ko matrix ɗin ɗigo), ƙarancin amfani da wutar lantarki, ingantattun rabe-rabe, da haɗa kayan lantarki na tuƙi. Fasahar hawa saman (SMT) ta ci gaba da zama mafi rinjaye don taron atomatik. Ƙaura zuwa kayan marasa gubar da marasa halogen da suka dace da ka'idojin muhalli kuma aikin masana'antu ne na yau da kullun.