Takardar Bayanin Fasaha na Fitilar LED Fari Oval 5mm - Girman 5mm Oval - Ƙarfin Wutar Lantarki 2.9V - Ƙarfin Wutar Lantarki 0.096W

1. Bayyani Game da Samfurin

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na fitilar LED fari oval 5mm mai ratsa rami mai ƙarfin haske. An tsara ta da farko don aikace-aikacen waje, wannan ɓangaren yana ba da ingantaccen mafita don alamun waje da sigina inda gani da dogaro suka fi muhimmanci. Fitilar tana amfani da fasahar InGaN da aka kulle a cikin ingantaccen guduro na epoxy, yana ba da ƙarin kariya daga danshi da hasken UV don tabbatar da aiki na dogon lokaci a cikin yanayi mai wahala.

Babban fa'idodin wannan LED sun haɗa da bin umarnin RoHS, ƙarancin amfani da wutar lantarki, ingantaccen ingancin haske, da dacewa da daidaitattun dabarun hawa na allon da'ira (PCB). An tsara ƙirarta don aikace-aikacen da ke buƙatar daidaitaccen haske mai haske mai takamaiman tsarin radiyo.

2. Zurfin Binciken Ma'auni na Fasaha

2.1 Matsakaicin Matsakaicin Matsakaici

An siffanta na'urar a ƙarƙashin takamaiman iyakokin aiki don tabbatar da dogaro. A yanayin zafin muhalli (TA) na 25°C, matsakaicin matsakaicin matsakaici kamar haka ne:

• Rushewar Wutar Lantarki (Pd):96 mW. Wannan shine matsakaicin wutar lantarki da LED zai iya watsar da zafi cikin aminci.
• Matsakaicin Halin Gaba (IFP):100 mA. Wannan halin yanzu yana da izini kawai a ƙarƙashin yanayin bugun jini tare da cikakken aiki ≤ 1/10 kuma faɗin bugun ≤ 10ms.
• Ci gaba da Halin Gaba (IF):30 mA. Wannan shine matsakaicin halin yanzu na DC da aka ba da shawarar don ci gaba da aiki.
• Faktor Ragewa:Dole ne a rage halin yanzu na DC na gaba da layi ta 0.56 mA ga kowane digiri Celsius sama da yanayin zafin muhalli na 47°C.
• Kewayon Zafin Aiki (Topr):-40°C zuwa +85°C.
• Kewayon Zafin Ajiya (Tstg):-40°C zuwa +100°C.
• Zafin Solder na Igwa:Matsakaicin 260°C na tsawon dakika 5, ana auna shi a wuri mai nisan 2.0mm (0.079 inci) daga jikin LED.

2.2 Halaye na Lantarki & Na Gani

Ana auna mahimman ma'auni na aiki a TA=25°C da daidaitaccen gwajin halin yanzu (IF) na 20mA.

• Ƙarfin Hasken (Iv):Ya bambanta daga mafi ƙarancin 4200 mcd zuwa matsakaicin 9300 mcd, tare da ƙimar yau da kullun na 6000 mcd. An rarraba ƙimar Iv zuwa kwandon ajiya (duba Sashe na 4). Aunawa ta haɗa da jurewar gwaji na ±15%.
• Kusurwar Kallo (2θ1/2):Digiri 70 (babban axis) / Digiri 35 (ƙananan axis). Wannan tsarin radiyo na oval yana dacewa da aikace-aikacen da ke buƙatar haske mai jagora.
• Ƙarfin Wutar Lantarki na Gaba (VF):Yawanci 2.9V, tare da kewayon daga 2.5V (Mafi ƙanƙanta) zuwa 3.2V (Matsakaici) a IF=20mA.
• Halin Baya (IR):Matsakaicin 10 μA lokacin da aka yi amfani da ƙarfin wutar lantarki na baya (VR) na 5V. Ba a tsara na'urar don aiki a cikin baya ba.
• Ma'auni na Launi (x, y):An ayyana shi akan zane na chromaticity na CIE 1931. Ƙimar yau da kullun sune x=0.31 da y=0.32. An ayyana takamaiman matsayi na launi a cikin teburin kwandon ajiya.

3. Ƙayyadaddun Tsarin Rarrabuwa

Don tabbatar da daidaiton launi da haske a cikin samarwa, ana rarraba LED ɗin zuwa kwandon ajiya bisa ƙarfin haske da ma'auni na chromaticity.

3.1 Rarrabuwar Ƙarfin Hasken

Ana rarraba LED ɗin zuwa kwandon ajiya na ƙarfin haske guda uku (V, W, X) a IF=20mA. Iyakokin kwandon ajiya suna da jurewar ±15%.

• Kwandon Ajiya V:4200 mcd (Mafi ƙanƙanta) zuwa 5500 mcd (Matsakaici)
• Kwandon Ajiya W:5500 mcd (Mafi ƙanƙanta) zuwa 7200 mcd (Matsakaici)
• Kwandon Ajiya X:7200 mcd (Mafi ƙanƙanta) zuwa 9300 mcd (Matsakaici)

An yiwa kowace jakar marufi alamar lambar kwandon ajiya don bin sawu.

3.2 Rarrabuwar Launi (Chromaticity)

Hakanan ana rarraba LED ɗin ta ma'auni na chromaticity (x, y) akan zane na CIE. Takardar bayanin tana ba da takamaiman iyakoki na ma'auni don matsayi na launi A0, B1, da B2. Ana amfani da izinin aunawa na ±0.01 ga waɗannan ma'auni. Ana ba da tunani na gani ta hanyar Zane na Chromaticity na CIE 1931 da ke cikin takardar, wanda ke nuna yankin fari na yau da kullun da ƙayyadaddun kwandon ajiya.

4. Bayanin Injiniya & Marufi

4.1 Girman Tsarin

LED yana da daidaitaccen fakitin ruwan tabarau na oval 5mm da aka tsara don hawa ta hanyar ratsa rami. Muhimman bayanan girma sun haɗa da:

• Duk girma suna cikin milimita (inci).
• Daidaitaccen jurewa shine ±0.25mm (0.010") sai dai idan an ƙayyade.
• Matsakaicin fitowar guduro a ƙarƙashin flange shine 1.0mm (0.04").
• Ana auna tazarar igwa a wurin da igwan ke fitowa daga jikin fakitin.

4.2 Ƙayyadaddun Marufi

Ana ba da LED ɗin a cikin tsarin marufi mai matakai:

• Naúrar Asali:500, 200, ko guda 100 a kowace jakar marufi mai hana tashin wutar lantarki.
• Kwandon Ciki:Ya ƙunshi jakunkunan marufi 10, jimlar guda 5,000.
• Kwandon Waje (Akwatin Jigilar Kaya):Ya ƙunshi kwandon ciki 8, jimlar guda 40,000. An lura cewa a kowane yanki na jigilar kaya, ƙarshen fakitin kawai zai iya zama fakitin da bai cika ba.

5. Jagororin Solder & Haɗawa

Daidaitaccen gudanarwa yana da mahimmanci don hana lalacewa da tabbatar da dogaro na dogon lokaci.

5.1 Siffantar Igwa

Idan igwa yana buƙatar lanƙwasa, dole ne a yi hakakafinsolder kuma a yanayin daki. Dole ne a yi lanƙwasa a wuri aƙalla 3mm daga gindin ruwan tabarau na LED. Kada a yi amfani da gindin firam ɗin igwa a matsayin fulcrum yayin lanƙwasa.

5.2 Tsarin Solder

Dole ne a kiyaye mafi ƙarancin tsabta na 2mm tsakanin gindin ruwan tabarau da wurin solder. Kada a taɓa tsoma ruwan tabarau cikin solder.

• Ƙarfe na Solder:Matsakaicin zafin jiki 350°C. Matsakaicin lokacin solder dakika 3 a kowace igwa. Wannan yakamata a yi sau ɗaya kawai.
• Solder Wave:Yi pre-heat zuwa matsakaicin 100°C har zuwa dakika 60. Matsakaicin zafin jiki na igiyar solder 260°C. Matsakaicin lokacin solder dakika 5. Matsayin tsoma bai kamata ya zama ƙasa da 2mm daga gindin ruwan tabarau na epoxy ba.
• Muhimmi:Solder na sake kwarara na Infrared (IR)bai daceda wannan samfurin LED mai ratsa rami ba. Yawan zafin jiki ko lokaci na iya haifar da nakasar ruwan tabarau ko gazawar bala'i.

5.3 Tsaftacewa

Idan tsaftacewa ya zama dole, kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol.

6. Ajiya & Gudanarwa

• Yanayin Ajiya:Bai kamata ya wuce 30°C da zafi na 70% ba.
• Tsawon Rayuwar Shinge:LED ɗin da aka cire daga ainihin fakitin su yakamata a yi amfani da su cikin watanni uku. Don ajiyar lokaci mai tsawo a waje da ainihin fakitin, yakamata a ajiye su a cikin akwati mai rufi tare da busassun abu ko a cikin busassun abu mai tsarkakewar nitrogen.
• Kariya ta ESD:LED suna da hankali ga zubar da wutar lantarki (ESD). Abubuwan kula da gudanarwa sun haɗa da amfani da igiyoyin wuyan hannu da aka kafa, safofin hannu masu hana tashin wutar lantarki, tabbatar da cewa duk kayan aiki da saman aiki suna da tushe da kyau, da kuma amfani da busassun ion don kawar da cajin tsaye akan ruwan tabarau.

7. Ƙirar Da'irar Gudanarwa & Bayanan Aikace-aikace

7.1 Hanyar Gudanarwa

LED na'urar aiki ce ta halin yanzu. Don tabbatar da daidaiton haske lokacin amfani da LED ɗin da yawa, musamman a cikin tsararrun layi daya, yana dashawara mai ƙarfidon amfani da resistor mai iyakance halin yanzu a jere tare da kowane LED (Da'irar A).

Haɗin kai mai sauƙi ba tare da resistors ɗaya ɗaya ba (Da'irar B) ba a ba da shawarar ba, saboda ƙananan bambance-bambance a cikin halayen ƙarfin wutar lantarki na gaba (VF) tsakanin LED ɗin zai haifar da bambance-bambance masu mahimmanci a cikin raba halin yanzu kuma, saboda haka, hasken da aka gane.

7.2 Yanayin Aikace-aikace

Wannan LED yana dacewa da aikace-aikace iri-iri na waje da na cikin gida saboda ƙarfin haske, takamaiman kusurwar kallo, da ƙarfin muhalli. Manyan aikace-aikace sun haɗa da:

• Alamun Saƙo:Don nuna bayanai masu motsi ko tsaye.
• Alamun Bas:Don nuni na makoma ko lambar hanya.
• Alamun Trafik:Don bayanin bayanai ko alamun ƙa'ida.
• Alamun Trafik:A matsayin tushen hasken nuni, bisa ga ƙirar gani da amincewar ƙa'ida.

8. Binciken Aiki & Abubuwan Ƙira

8.1 Gudanar da Zazzabi

Tare da matsakaicin raguwar wutar lantarki na 96 mW da ƙimar raguwa na 0.56 mA/°C sama da 47°C, ingantaccen gudanar da zafin jiki yana da mahimmanci don kiyaye tsawon rayuwar LED da fitar da haske. Masu ƙira dole ne su yi la'akari da yanayin zafin muhalli na aiki kuma su tabbatar cewa halin yanzu na gaba an rage shi yadda ya kamata. Isasshen tazara akan PCB da guje wa wuraren da aka rufe na iya taimakawa wajen watsar da zafi.

8.2 Aikin Gani

Kusurwar kallo na oval 70°/35° yana haifar da takamaiman tsarin radiyo. Wannan yana da fa'ida ga aikace-aikacen da ke buƙatar jagorantar haske zuwa ga mai kallo a cikin bandeji a kwance (axis 70° mafi faɗi) yayin sarrafa bazuwar a tsaye (axis 35° mafi ƙunƙunta), yana inganta inganci don alamun nau'in panel. Babban ƙarfin haske (har zuwa 9300 mcd) yana tabbatar da kyakkyawan gani ko da a cikin yanayin waje mai haske.

8.3 Abubuwan Dogaro & Tsawon Rayuwa

Amfani da ingantaccen epoxy tare da kariyar UV da juriya ga danshi shine muhimmin al'amari don dogaron waje. Bin ƙayyadaddun yanayin solder da jagororin ajiya yana da mahimmanci don hana hanyoyin gazawa da suka riga sun yi kamar rabuwa, launin rawaya na ruwan tabarau, ko gajiyar haɗin solder.

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

Q: Zan iya tuka wannan LED a 30mA ci gaba?

A: Ee, 30mA shine matsakaicin ƙimar ci gaba da halin yanzu na DC na gaba. Duk da haka, don mafi kyawun tsawon rayuwa da dogaro, musamman a manyan yanayin zafin muhalli, yin aiki a ko ƙasa da gwajin gwajin 20mA na yau da kullun yana da kyau, kuma dole ne a rage halin yanzu sama da yanayin zafin muhalli na 47°C.

Q: Me ya sa ake buƙatar resistor na jere ga kowane LED a layi daya?

A: Ƙarfin wutar lantarki na gaba (VF) na LED yana da jurewar samarwa (2.5V zuwa 3.2V). A cikin haɗin kai kai tsaye, LED tare da mafi ƙarancin VF zai ja da yawa fiye da halin yanzu, yana haifar da rashin daidaiton haske da yuwuwar matsin lamba na wannan LED. Resistor na jere ga kowane LED yana taimakawa wajen daidaita halin yanzu, yana tabbatar da mafi daidaiton haske da kare na'urorin.

Q: Menene lambar kwandon ajiya akan jakar ke nufi?

A: Lambar kwandon ajiya tana nuna kewayon ƙarfin haske (V, W, ko X) na LED ɗin a cikin wannan jakar. Don daidaitaccen haske a cikin taro, yana da mahimmanci a yi amfani da LED ɗin daga kwandon ajiya ɗaya ko maƙwabta.

Q: Shin wannan LED ya dace da aikace-aikacen mota?

A: Yayin da yake raba wasu halaye (haske, fakitin), wannan takardar bayanin ta ƙayyade aikace-aikace don alamun waje da sigina. Aikace-aikacen mota yawanci suna buƙatar bin ƙarin ƙa'idodi (misali, AEC-Q102 don dogaro) da takamaiman kewayon zafin jiki waɗanda ba a bayyana su a nan ba. Kada a ɗauka cewa ya dace da amfani da mota ba tare da ƙarin cancanta ba.

10. Misalin Nazarin Shigar da Ƙira

Yanayi:Ƙirar nuni na rubutu mai layi ɗaya mai ƙarancin wutar lantarki don alamar makoma ta bas.

Zaɓuɓɓukan Ƙira:

1. Zaɓin LED:An zaɓi wannan LED oval 5mm saboda ƙarfin haske (yana tabbatar da gani da rana) da tsarin hasken oval (mai kyau don samar da harafi a kwance). An zaɓi LED ɗin daga Kwandon Ajiya W don daidaitaccen matsakaicin ƙarfin haske.

2. Ƙirar Da'ira:Mai sarrafa alamar yana ba da layin wutar lantarki mai ƙarfi (misali, 12V). Ana tuka kowane LED a cikin matrix da nasa resistor mai iyakance halin yanzu wanda aka ƙidaya kamar R = (V_supply - VF_LED) / I_desired. Ta amfani da VF na yau da kullun na 2.9V da halin yanzu da ake so na 18mA (mai ra'ayin mazan jiya don tsawon rayuwa), R = (12V - 2.9V) / 0.018A ≈ 506 Ohms. Ana amfani da daidaitaccen resistor na 510 Ohm.

3. Shimfidawa & Haɗawa:Ana sanya LED ɗin akan PCB tare da ramuka da aka tazara bisa ga tazarar igwa na takardar bayanin. Yayin haɗawa, ana amfani da kayan aikin lanƙwasa na igwa na al'ada don tabbatar da cewa duk igwan an lanƙwasa daidai a wurin da aka ba da shawarar >3mm kafin shigarwa. Ana yin solder wave ta amfani da bayanin martaba da aka ƙayyade (260°C, matsakaicin 5s).

4. Sakamako:Alamar ƙarshe tana nuna daidaitaccen haske mai haske tare da ingantaccen aiki a duk faɗin kewayon zafin aiki na abin hawa, yana cika buƙatun ƙira don bayyanawa da dorewa.