Bayanin Fasaha na SMD LED LTST-N682TWQEET - Girman Kunshin - Fari/Ja - 30mA - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda tana ba da cikakkun bayanai na fasaha don na'urar haske mai fitar da haske (LED) mai hawa a saman allon lantarki (SMD). An tsara kayan aikin don tsarin hadawa na atomatik na allon lantarki (PCB), wanda ya sa ya dace da samarwa mai yawa. Girman sa na karami ya dace da aikace-aikacen da ke da matsalar sarari kamar yadda ake samu a cikin na'urorin lantarki na zamani masu sauƙi da ƙanƙanta.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan LED sun haɗa da bin ka'idojin RoHS (Ƙuntata Abubuwa masu haɗari), dacewa da hanyoyin siyar da guduro ta infrared (IR), da kuma kunshi a kan tef na 8mm da na'urar 7-inch don kayan aikin ɗauka da sanyawa na atomatik. An tsara shi don ya dace da haɗin kai na lantarki (IC). Aikace-aikacen da ake nufi sun haɗa da kayan lantarki na masu amfani da na masana'antu, gami da amma ba'a iyakance ga kayan aikin sadarwa (misali, wayoyin mara igiya da wayoyin hannu), na'urori na sarrafa ofis (misali, kwamfutocin tebur), tsarin hanyoyin sadarwa, kayan aikin gida, da alamun cikin gida. Babban aikinsa shine nuna matsayi, hasken sigina da alama, da hasken baya na allon gaba.

2. Girman Kunshi da Sanya Fil

LED yana da takamaiman kunshin SMD. Launin ruwan tabarau rawaya ne. Na'urar tana ƙunshe da guntun LED guda biyu daban-daban a cikin kunshi ɗaya: ɗaya yana fitar da hasken fari ɗayan kuma yana fitar da hasken ja. Sanya fil kamar haka ne: Fil 1 da 2 an sanya su ga LED ja, kuma fil 3 da 4 an sanya su ga LED fari. Duk ƙimar girman yawanci ±0.2 mm ne sai dai idan an faɗi dabam a cikin cikakkun zane-zane na injiniya.

3. Ma'auni na Fasaha: Cikakken Fassarar Manufa

3.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa ta dindindin ga na'urar. An ƙayyade su a yanayin zafin yanayi (Ta) na 25°C.

• Rushewar Wutar Lantarki:102 mW ga LED fari; 78 mW ga LED ja. Wannan shine matsakaicin wutar lantarki da na'urar za ta iya tarwatsawa.
• Matsakaicin Halin Gaba na Yanzu:100 mA don fari, 80 mA don ja. Wannan shine matsakaicin ƙarfin bugun jini da aka halatta (1/10 aikin aiki, faɗin bugun 0.1ms).
• DC Halin Gaba na Yanzu:30 mA ga duka launuka biyu. Wannan shine matsakaicin ci gaba na gaba na yanzu.
• Kewayon Zafin Aiki:-40°C zuwa +85°C.
• Kewayon Zafin Ajiya:-40°C zuwa +100°C.

3.2 Halaye na Lantarki da na Gani

Waɗannan su ne ma'auni na aiki na yau da kullun da aka auna a Ta=25°C da halin gaba na yanzu (IF) na 20mA, sai dai idan an faɗi dabam.

• Ƙarfin Hasken (Iv):Fari: 1500-3000 mcd (matsakaici-matsakaici). Ja: 650-1300 mcd (matsakaici-matsakaici). An auna shi da tacewa wanda ya kusanci amsawar ido na CIE photopic.
• Kusurwar Dubawa (2θ½):Yawanci digiri 120. Wannan shine cikakken kusurwar da ƙarfin haske ya faɗi zuwa rabin ƙimar axial.
• Matsakaicin Tsawon Tsawon (λd):Ga LED ja: 617-626 nm (matsakaici-matsakaici). Wannan ma'auni yana ayyana launin da ake gani.
• Matsakaicin Tsawon Tsawon Fitarwa (λP):Ga LED ja: yawanci 624 nm.
• Rabin Faɗin Layin Bakan (Δλ):Yawanci 30 nm don fari, 20 nm don ja. Wannan yana nuna tsaftar bakan.
• Ƙarfin Gaba (VF):Fari: 2.6-3.4 V. Ja: 1.7-2.6 V. Ƙimar jurewa ±0.1V ne.
• Juyin Baya na Yanzu (IR):Matsakaicin 10 µA a ƙarfin juyawa (VR) na 5V. Ba a tsara na'urar don aikin juyawa ba.

4. Bayanin Tsarin Rarraba

Ana rarraba LED ɗin zuwa kwandon aiki bisa mahimman ma'auni na aiki don tabbatar da daidaito a cikin samarwa.

4.1 Matsayi na Ƙarfin Hasken (Iv)

Ga LED fari, an ayyana kwandon aiki kamar W1 (1500-2120 mcd) da W2 (2120-3000 mcd). Ga LED ja, kwandon aiki R1 (650-920 mcd) da R2 (920-1300 mcd). Ƙimar jurewa a cikin kowane kwandon ƙarfi ±11% ne.

4.2 Matsayi na CIE Chromaticity

Ma'auni na launi na LED fari (x, y akan zanen launi na CIE 1931) an rarraba su zuwa nau'ikan da yawa (misali, A1, A2, A3, B1, B2, B3), kowanne an ayyana shi ta wurin yanki mai siffar huɗu akan zanen. Ƙimar jurewa ga ma'auni na launi a cikin kowane kwandon ±0.01 ne. Wannan yana tabbatar da daidaiton launi don aikace-aikacen da daidaiton farin batu ke da mahimmanci.

5. Bincike na Lanƙwasa Aiki

Bayanin bayanan ya haɗa da lanƙwasa halaye na yau da kullun waɗanda ke da mahimmanci don ƙira kewaye. Waɗannan lanƙwasa suna wakiltar alaƙa tsakanin ma'auni daban-daban ta hanyar zane, suna ba da fahimta fiye da ƙimar ƙima ta yau da kullun. Masu ƙira ya kamata su tuntuɓi waɗannan lanƙwasa don fahimtar halayen a ƙarƙashin yanayin da ba na daidaitaccen tsari ba (misali, halin gaba na yanzu daban-daban ko yanayin zafin yanayi). Lanƙwasa mahimmanci sun haɗa da alaƙar tsakanin halin gaba na yanzu da ƙarfin haske, halin gaba na yanzu da ƙarfin gaba, da tasirin yanayin zafin yanayi akan ƙarfin haske. Binciken waɗannan lanƙwasa yana taimakawa wajen zaɓar madaidaicin resistors masu iyakance yanzu da kuma hasashen aiki a cikin yanayin aiki da ake nufi.

6. Bayanin Injiniya da Kunshi

6.1 Pad ɗin Haɗa PCB da Aka Shawarta

An ba da ƙirar ƙirar ƙasa don tabbatar da ingantaccen siyar da guduro da kwanciyar hankali na injiniya. Bin wannan ƙafar ƙafar da aka ba da shawara yana da mahimmanci don cimma ingantattun haɗin guduro da sarrafa zafi yayin aikin sake kunnawa.

6.2 Girman Kunshin Tef da Reel

Ana samar da abubuwan a kan tef mai faɗin 8mm mai ɗaukar kaya wanda aka nannade akan reels masu diamita 7-inch (178mm). An ƙayyade cikakkun ma'auni don aljihun tef, cibiyar reel, da gabaɗayan reel. Matsakaicin adadin reel shine 2000 guda a kowace reel, tare da mafi ƙarancin adadin shiryawa na 200 guda don ragowar. Kunshin ya yi daidai da ƙayyadaddun EIA-481-1-B.

7. Jagororin Siyar da Guduro da Haɗawa

7.1 Bayanin Siyar da Guduro ta IR Reflow

An ba da shawarar bayanin sake kunnawar infrared (IR) don hanyoyin siyar da guduro mara gubar, wanda ya yi daidai da ma'aunin J-STD-020B. Mahimman ma'auni sun haɗa da zafin pre-heat na 150-200°C, matsakaicin zafin kololuwa na 260°C, da lokacin da ya wuce ruwa ba ya wuce iyakokin da aka ƙayyade. Yana da mahimmanci a lura cewa mafi kyawun bayanin ya dogara da takamaiman ƙirar PCB, man guduro, da halayen tanda; don haka ana ba da shawarar siffanta matakin allon.

7.2 Yanayin Ajiya

Don buhunan da ba a buɗe ba, masu hana danshi suna ɗauke da busassun abu, ya kamata a adana LED a ≤ 30°C da ≤ 70% Danshi na Dangi (RH) kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe ainihin kunshin, yanayin ajiya bai kamata ya wuce 30°C da 60% RH ba. Abubuwan da aka fallasa fiye da sa'o'i 168 ya kamata a gasa su a kusan 60°C na aƙalla sa'o'i 48 kafin siyar da guduro don hana \"popcorning\" ko rabuwa yayin sake kunnawa.

7.3 Tsaftacewa

Idan tsaftacewa ya zama dole bayan siyar da guduro, kawai dole ne a yi amfani da takamaiman abubuwan narkewa na barasa kamar ethyl alcohol ko isopropyl alcohol a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a ƙayyade ba na iya lalata kunshin LED.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED mai launi biyu ya dace da aikace-aikacen da ke buƙatar nuna matsayi da yawa daga ƙafar ƙafar abu ɗaya. Misalai sun haɗa da matsayin wutar lantarki/caji (ja don caji, fari don cikakke), alamun ayyukan hanyar sadarwa, ko amsawar zaɓin yanayi a cikin kayan lantarki na masu amfani da allunan sarrafa masana'antu.

8.2 Abubuwan da Ake La'akari da Ƙira

• Iyakance Yanzu:Koyaushe yi amfani da resistor na jerin don iyakance halin gaba na yanzu zuwa ƙimar DC da aka ba da shawara (30mA matsakaici) ko ƙasa don tabbatar da tsawon rai da sarrafa haske.
• Gudanar da Zafi:Tabbatar cewa shimfidar PCB yana ba da isasshen taimako na zafi, musamman idan ana aiki kusa da matsakaicin ƙididdiga, don hana zafi da saurin raguwar lumen.
• Kariya ta ESD:Duk da yake ba a bayyana shi a sarari ba, sarrafa SMD LED tare da matakan kariya na ESD da suka dace aikin masana'antu ne na yau da kullun.
• Ƙirar Gani:Yi la'akari da kusurwar kallo na digiri 120 lokacin ƙira jagororin haske, ruwan tabarau, ko masu watsawa don cimma tsarin haske da ake so.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da SMD LED masu launi ɗaya, wannan na'urar mai guntu biyu tana ba da tanadin sarari akan PCB ta hanyar haɗa ayyukan nuni biyu zuwa kunshi ɗaya. Guntun fari da ja daban suna ba da damar sarrafa su daban. Ƙayyadaddun kwandon ƙarfin haske da kwandon launi na CIE suna ba da matakin daidaiton aiki mai mahimmanci don aikace-aikacen da ke buƙatar kamanni iri ɗaya a cikin raka'a da yawa. Dacewa da hanyoyin sake kunnawar IR na daidaitaccen tsari ya bambanta shi da LED waɗanda ƙila suna buƙatar siyar da guduro ta hannu ko igiyar ruwa.

10. Tambayoyin da Ake Yawan Yi Bisa Ma'auni na Fasaha

Q: Shin zan iya tuka LED fari da ja a lokaci guda a matsakaicin halin yanzu na DC?

A: A'a. Dole ne a mutunta Matsakaicin Matsakaicin Matsakaici na rushewar wutar lantarki (102mW fari, 78mW ja) da la'akari da zafi. Aiki a lokaci guda a 30mA kowanne zai yiwu ya wuce ƙarfin zafi na kunshi sai dai idan an ba da isasshen zafi. Ana ba da shawarar rage ƙima.

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

A: Matsakaicin Tsawon Tsawon (λP) shine tsawon tsawon a mafi girman matsayi a cikin bakan fitarwa na LED. Matsakaicin Tsawon Tsawon (λd) an samo shi ne daga ma'auni na launi kuma yana wakiltar tsawon tsawon guda ɗaya na hasken monochromatic wanda zai dace da launin da ake gani na LED. λd ya fi dacewa don ƙayyadaddun launi.

Q: Me yasa yanayin ajiya bayan buɗe jakar yana da tsauri haka (sa'o'i 168)?

A> Kunshin SMD na iya ɗaukar danshi daga sararin samaniya. A lokacin babban zafin jiki na sake kunnawar siyar da guduro, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsa lamba na ciki wanda zai iya fashe kunshi ko rabuwa da haɗin gwiwar ciki (\"popcorning\"). Rayuwar bene na sa'o'i 168 da tsarin gasa suna rage wannan haɗarin.

11. Yanayin Amfani na Aiki

Yanayi: Ƙirar Alamar Matsayi don Na'urar Sauƙi

Mai ƙira yana ƙirƙirar lasifikar Bluetooth mai ƙanƙanta. An sanya LED guda ɗaya na LTST-N682TWQEET a allon gaba. Microcontroller yana tuka LED ja (fil 1-2) don nuna \"wutar lantarki/caji\" da LED fari (fil 3-4) don nuna \"yanayin haɗin Bluetooth/cikakken caji.\" Yin amfani da ƙimar resistor mai iyakance yanzu gama gari da aka ƙidaya don ~20mA (misali, bisa VF=3.0V don fari da wadatar 5V), duka LED suna cimma kyakkyawan haske. Kusurwar kallo na digiri 120 yana tabbatar da cewa ana iya ganin matsayin daga faɗi mai yawa. Ana sanya kayan aikin ta amfani da haɗawa ta atomatik daga tef da reel.

12. Gabatarwar Ka'ida

Diodes masu fitar da haske (LED) na'urorin semiconductor ne waɗanda ke fitar da haske lokacin da wutar lantarki ta wuce ta cikinsu. Wannan abin mamaki, da ake kira electroluminescence, yana faruwa lokacin da electrons suka sake haɗuwa tare da ramukan electron a cikin na'urar, suna sakin makamashi a cikin nau'in photons. Launin hasken da aka fitar yana ƙaddara ta hanyar tazarar band na makamashi na kayan semiconductor. LED fari a cikin wannan kunshi yana iya amfani da guntun LED shuɗi ko ultraviolet wanda aka lulluɓe da kayan phosphor wanda ke canza wasu hasken da aka fitar zuwa tsayin tsayi, yana haifar da bakan mai faɗi wanda ake ganin fari. LED ja yana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide), wanda yake da inganci don samar da hasken ja, orange, da rawaya.

13. Trends na Ci Gaba

Gabaɗayan yanayin a cikin SMD LED don aikace-aikacen nuna alama yana ci gaba zuwa mafi inganci (ƙarin lumens kowace watt), yana ba da damar haske iri ɗaya a ƙananan halin yanzu, wanda ke rage amfani da wutar lantarki da kayan zafi. Girman kunshi kuma yana ƙara ƙanƙanta. Ana ƙara mai da hankali kan ƙarin ƙaƙƙarfan launi da ƙarfin bin don biyan buƙatun aikace-aikacen da ke buƙatar daidaiton gani mai girma, kamar bangon bidiyo da ciki na mota. Bugu da ƙari, haɗa kayan lantarki na sarrafawa (misali, direbobi na yanzu na yau da kullun) a cikin kunshin LED yana zama mafi gama gari don sauƙaƙe ƙira da ingantaccen kwanciyar hankali na aiki.