Takardar Bayanin Fasaha ta Fitilar LED Kore 5mm LTL2R3TGY3K - Kunshin T-1 3/4 - Matsakaicin 3.3V - 105mW - Tsawon Zango Mai Girma 530nm - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Wannan takarda ta cika bayanin ƙayyadaddun fitilar LED mai rami mai siffar zagaye 5mm. Wannan shahararriyar ƙirar kunshin T-1 3/4 tana da tsarin radiyo mai santsi da daidaito wanda ya dace da aikace-aikacen da ke buƙatar haske mai tsabta da kuma daidaito. Na'urar tana amfani da fasahar InGaN mai ci gaba don samar da hasken kore tare da matsakaicin tsayin zango mai girma na 530nm, an kulle shi a cikin resin epoxy mai tsabta kamar ruwa.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan LED sun haɗa da fitar da ƙarfin haske mai girma, wanda ke haifar da ingantaccen ingancin fitarwa da ƙarancin amfani da wutar lantarki don ajiye makamashi. Kunshin yana ba da mafi girman juriya ga danshi kuma yana ɗauke da hana UV, yana mai da shi mai ƙarfi don amfani a cikin gida da kuma wuraren waje masu ƙarfi. Babban aikace-aikacen da ake nufi su ne allunan alamar cikakken launi, allunan talla, alamun saƙon bidiyo, alamomin hanya, da alamun bas inda amincin da haske suke da muhimmanci.

2. Ma'auni na Fasaha: Cikakken Fassarar Manufa

2.1 Matsakaicin Ƙimar Ƙimar

An ƙididdige na'urar don matsakaicin ɓarnawar wutar lantarki na 105mW a yanayin zafin muhalli (TA) na 25°C. Matsakaicin ci gaba na yanzu na gaba (DC) shine 30mA. Don aikin bugun jini, matsakaicin ci gaba na gaba na 100mA yana yiwuwa a ƙarƙashin takamaiman sharuɗɗa (duty cycle ≤ 1/10, faɗin bugun jini ≤ 10ms). Kewayon zafin aiki daga -30°C zuwa +85°C, tare da mafi girman kewayon ajiya daga -40°C zuwa +100°C. Matsakaicin raguwar 0.45 mA/°C yana aiki a layi daga 30°C sama don ci gaba na gaba. Matsakaicin ƙarfin lantarki na baya shine 5V, ko da yake ba a ƙera na'urar don aikin baya ba.

2.2 Halayen Lantarki da Na Gani

A daidaitaccen yanayin gwaji na TA=25°C da IF=20mA, ƙarfin haske (Iv) yana kewayo daga mafi ƙarancin 7800 mcd zuwa matsakaicin matsakaicin 16000 mcd, tare da amfani da jurewar gwaji na ±15%. Ƙarfin lantarki na gaba (VF) yana kewayo daga 2.8V zuwa 3.3V. Kusurwar kallo (2θ1/2), wanda aka ayyana shi azaman kusurwar kashe-axis inda ƙarfin ya rabi ƙimar axial, yawanci 30° tare da jurewar ma'auni na ±2°. Matsakaicin tsayin zango na fitarwa (λP) yawanci 531nm ne, yayin da tsayin zango mai girma (λd) ya kewayo daga 525nm zuwa 532nm. Ramin rabin layin bakan (Δλ) yawanci 35nm ne. Ci gaba na baya (IR) shine matsakaicin 50μA a VR=5V.

3. Ƙayyadaddun Tsarin Binning

An rarraba samfurin bisa ga ma'auni guda uku masu mahimmanci don tabbatar da daidaito a aikace-aikace.

3.1 Binning Ƙarfin Hasken

An rarraba ƙarfin haske zuwa bins guda uku (A, B, C) tare da mafi ƙanƙanta da matsakaicin ƙimar a IF=20mA: Bin A (7800-9600 mcd), Bin B (9600-12500 mcd), da Bin C (12500-16000 mcd). Jurewar ±15% yana aiki ga kowane iyakar bin.

3.2 Binning Tsawon Zango Mai Girma

An rarraba tsayin zango mai girma zuwa ƙungiyoyi uku (G1, G2, G3): G1 (525-527 nm), G2 (527-530 nm), da G3 (530-532 nm). Jurewar kowane iyakar bin shine ±1nm.

3.3 Binning Ƙarfin Lantarki na Gaba

An raba ƙarfin lantarki na gaba zuwa bins biyar (1 zuwa 5) a matakan 0.1V: Bin 1 (2.8-2.9V), Bin 2 (2.9-3.0V), Bin 3 (3.0-3.1V), Bin 4 (3.1-3.2V), da Bin 5 (3.2-3.3V). Jurewar kowane iyakar bin shine ±0.07V.

4. Bincike na Lanƙwasa Ayyuka

Takardar bayanin tana nuni ne ga matsakaicin lanƙwasa halayen lantarki da na gani da aka auna a zafin muhalli na 25°C. Waɗannan lanƙwasa suna wakiltar alaƙar da ke tsakanin ma'auni masu mahimmanci a zahiri, suna ba masu ƙira fahimta mai zurfi game da halayen na'urar a ƙarƙashin yanayi daban-daban. Duk da yake ba a cika bayyana takamaiman zane-zane a cikin rubutun da aka bayar ba, irin waɗannan lanƙwasa yawanci sun haɗa da ci gaba na gaba da ƙarfin lantarki na gaba (lanƙwasa I-V), ƙarfin haske na dangi da ci gaba na gaba, ƙarfin haske na dangi da zafin muhalli, da rarraba bakan. Binciken waɗannan lanƙwasa yana da mahimmanci don hasashen aiki a aikace-aikacen gaske, musamman game da sarrafa zafi da zaɓin ci gaba na tuƙi.

5. Bayanin Injiniya da Kunshi

5.1 Girman Bayyani

Na'urar ta yi daidai da shahararriyar siffar fitila mai siffar zagaye T-1 3/4 (5mm). Muhimman bayanan girma sun haɗa da: duk girma suna cikin milimita (inci); daidaitaccen jurewa shine ±0.25mm (.010\") sai dai idan an ƙayyade; matsakaicin resin da ya fito a ƙarƙashin flange shine 1.0mm (.04\"); ana auna tazarar jagora inda jagororin suka fito daga kunshin. Dole ne masu ƙira su koma zuwa cikakken zanen girma don daidaitaccen sanyawa da ƙirar sawun ƙafa.

5.2 Gano Polarity da Siffar Jagora

Ana nuna polarity ta hanyar tsarin jagora (yawanci mafi tsayin jagora shine anode). Yayin haɗawa, dole ne a lanƙwasa jagororin a wani wuri aƙalla 3mm daga gindin ruwan tabarau na LED. Ba za a yi amfani da gindin firam ɗin jagora azaman fulcrum ba. Dole ne a yi siffar jagora a yanayin zafi na yau da kullun kuma kafin aikin gyaɗa don hana damuwa na injiniya akan kunshin epoxy.

6. Jagororin Gyaɗa da Haɗawa

6.1 Ma'auni da Tsarin Gyaɗa

Dole ne a kiyaye mafi ƙarancin tsabta na 3mm (don gyaɗa baƙin ƙarfe) ko 2mm (don gyaɗar igiyar ruwa) tsakanin wurin gyaɗa da gindin ruwan tabarau. Dole ne a guji tsoma ruwan tabarau cikin gyaɗa. Ana ba da shawarar yanayin: Gyaɗa Baƙin ƙarfe: Matsakaicin 350°C na 3 seconds matsakaici (sau ɗaya kawai). Gyaɗar Igwa: Pre-heat matsakaicin 100°C na 60 seconds matsakaici; Matsakaicin igiyar gyaɗa 260°C na 5 seconds matsakaici. IR reflow ba tsari bane wanda ya dace da wannan nau'in LED mai rami. Yawan zafi ko lokaci na iya haifar da nakasar ruwan tabarau ko gazawar bala'i.

6.2 Ajiya da Tsaftacewa

Don ajiya, muhallin bai kamata ya wuce 30°C ko 70% danshin yanayi ba. Dole ne a yi amfani da LED da aka cire daga ainihin kunshin a cikin watanni uku. Don ajiya mai tsawo, yi amfani da akwati mai rufi tare da desiccant ko yanayin nitrogen. Don tsaftacewa, yi amfani da kaushi masu tushen barasa kamar isopropyl alcohol.

7. Bayanin Kunshi da Oda

Daidaitaccen ƙayyadaddun kunshi shine 500, 200, ko 100 guda a kowace jakar kunshi mai hana tashin hankali. Ana sanya jakunkunan kunshi guda goma a kowace akwati na ciki, jimlar 5,000 guda. Ana kunna akwatuna na ciki guda takwas a kowace akwatin jigilar waje, wanda ya haifar da jimlar 40,000 guda a kowace akwatin waje. A cikin kowane yawan jigilar kaya, kawai kunshin na ƙarshe zai iya zama kunshin da bai cika ba. Ana yiwa alamun rarrabuwar bin don ƙarfin haske, tsayin zango mai girma, da ƙarfin lantarki na gaba akan kowace jakar kunshi don bin diddigin.

8. Shawarwari na Aikace-aikace da Abubuwan Ƙira

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan LED ya dace da aikace-aikacen alamar ciki da waje, gami da allunan alamar cikakken launi, allunan talla, alamun saƙon bidiyo, alamomin hanya, da alamun bas. Ƙarfinsa mai girma da ƙarfin muhalli sun sa ya zama manufa don aikace-aikacen da ke buƙatar ganuwa mai girma da amincin dogon lokaci.

8.2 Ƙirar Da'irar Tuƙi

LEDs na'urori ne masu aiki da halin yanzu. Don tabbatar da daidaiton ƙarfi lokacin da aka haɗa LED da yawa a layi daya, ana ba da shawarar sosai don amfani da resistor mai iyakance halin yanzu a jere tare da kowane LED (Da'irar A). Ba a ba da shawarar tuƙi LED da yawa a layi daya ba tare da resistors na jere ɗaya ba (Da'irar B), saboda bambance-bambance a cikin halayen ƙarfin lantarki na gaba (I-V) na kowane LED zai haifar da rarraba halin yanzu mara daidaituwa don haka haske mara daidaituwa.

8.3 Kariya daga Zubar da Tashin Hankali (ESD)

Wutar lantarki ko ƙaruwar wutar lantarki na iya lalata LED. Matakan rigakafin sun haɗa da: amfani da madaurin wuyan hannu mai ɗaukar wutar lantarki ko safar hannu masu hana tashin hankali lokacin sarrafawa; tabbatar da cewa duk na'urori, kayan aiki, da saman aiki suna da tushe daidai; da kuma amfani da busar ion don daidaita cajin tashin hankali a yankin aiki.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun LED na 5mm, wannan na'urar tana ba da ƙarfin haske na yau da kullun mafi girma (har zuwa 16000 mcd), wanda ke fassara zuwa mafi girman inganci da yuwuwar ajiye wutar lantarki a aikace-aikacen alama. Haɗa takamaiman masu hana UV da ingantaccen juriya ga danshi a cikin tsarin epoxy yana ba da fa'ida mai gasa ga aikace-aikacen waje da mawuyacin yanayi akan LED na kasuwanci na asali. Cikakken tsarin binning mai girma uku (ƙarfi, tsawon zango, ƙarfin lantarki) yana ba da damar daidaita launi da haske a cikin aikace-aikacen jeri, wani fasali mai mahimmanci don ingantattun nuni na bidiyo da saƙo.

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

Q: Menene bambanci tsakanin tsayin zango kololuwa da tsayin zango mai girma?

A: Tsawon zango kololuwa (λP) shine tsayin zango inda bakan fitarwa yake da matsakaicin ƙarfinsa (531nm na yau da kullun a nan). Tsawon zango mai girma (λd) an samo shi ne daga zanen chromaticity na CIE kuma yana wakiltar tsayin zango guda ɗaya wanda ya fi bayyana launin hasken da aka gani (525-532nm a nan). Tsawon zango mai girma ya fi dacewa don ƙayyadaddun launi.

Q: Zan iya tuƙa wannan LED a 30mA akai-akai?

A: Ee, 30mA shine matsakaicin ƙimar ci gaba na DC na gaba a 25°C. Duk da haka, don aiki mai aminci na dogon lokaci, musamman a mafi girman yanayin zafin muhalli, yana da kyau a yi aiki a ƙasa da wannan matsakaicin kuma a yi amfani da ƙayyadaddun ƙimar raguwa (0.45 mA/°C sama da 30°C).

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

A> Ƙarfin lantarki na gaba (Vf) na LED yana da bambancin yanayi (kamar yadda aka nuna a teburin binning). Ba tare da resistor na jere don iyakance halin yanzu ba, LED masu ɗan ƙaramin Vf za su ja mafi yawan halin yanzu fiye da waɗanda ke da mafi girma Vf lokacin da aka haɗa su a layi daya zuwa tushen ƙarfin lantarki gama gari. Wannan yana haifar da haske mara daidaituwa kuma zai iya yin matsin lamba ga LED masu ƙananan Vf. Resistor na jere yana aiki azaman mai sarrafa halin yanzu mai sauƙi ga kowane na'ura.

11. Ƙirar Aiki da Shari'ar Amfani

Shari'a: Ƙirar Alamar Gargadin Hanya Mai Ganuwa.Mai ƙira yana buƙatar ƙirar alamar "Aikin Hanya Gaba" mai walƙiya mai amfani da hasken rana. Ta amfani da wannan LED, za su zaɓi LED daga bin ƙarfin haske ɗaya (misali, Bin C) da bin tsayin zango mai girma (misali, G2) don tabbatar da daidaiton haske da launi a fadin alamar. Za su ƙirƙira da'irar tuƙi ta amfani da microcontroller don samar da tsarin walƙiya, tare da kowane LED (ko ƙananan kirtani na jere) yana da nasa resistor mai iyakance halin yanzu wanda aka ƙididdige shi bisa ga ƙarfin wadata (misali, 12V daga baturi) da bin ƙarfin lantarki na gaba na LED (misali, Bin 3, Vf ~3.05V). Ƙarfin haske mai girma yana tabbatar da cewa ana iya ganin alamar a cikin hasken rana, yayin da kunshin mai hana UV da mai jure danshi yana ba da garantin tsawon rai a cikin yanayin waje. Tsarin PCB mai kyau zai kiyaye mafi ƙarancin lanƙwasa jagora na 3mm da tsabtar gyaɗa daga jikin LED.

12. Gabatarwar Ka'ida

Wannan na'urar Fitilar LED ce (LED). Tana aiki bisa ka'idar electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan mahaɗin p-n, electrons daga yankin n-type suna sake haɗuwa da ramuka daga yankin p-type, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman kayan semiconductor da aka yi amfani da su a nan shine Indium Gallium Nitride (InGaN), wanda aka ƙera don fitar da photons a cikin yankin kore na bakan gani (kusan 530nm). Kunshin epoxy mai tsabta kamar ruwa yana aiki don kare guntuwar semiconductor, yin aiki azaman ruwan tabarau don siffanta fitarwar haske zuwa kusurwar kallo na 30°, da kuma samar da tallafin injiniya ga jagororin.

13. Trends na Ci Gaba

Trend a cikin LED masu nuna alama masu rami kamar wannan yana ci gaba zuwa ga mafi girman ingancin haske (ƙarin fitarwar haske a kowace watt na shigarwar lantarki), yana ba da damar nuni mai haske tare da ƙarancin amfani da wutar lantarki. Hakanan ana mai da hankali kan inganta daidaiton launi da faɗaɗa zaɓuɓɓukan binning don daidaitaccen daidaitawar launi a aikace-aikacen cikakken launi. Duk da yake fasahar na'urar hawa saman (SMD) ta mamaye sabbin ƙira don ƙananan ƙira, LED masu rami sun kasance masu mahimmanci don aikace-aikacen da ke buƙatar ƙaƙƙarfan hawan injiniya, sauƙin ƙirar samfurin hannu, da haske mai girma a wuri ɗaya a cikin manyan kayan aiki. Haɗa ƙarin kayan aiki masu ƙarfi don juriya mai tsananin muhalli kuma yanki ne na ci gaba.