Tantaki na LED IR 735nm - Girman 2.8x3.5x0.65mm - Ƙarfin Lantarki 2.2V - Ikon 0.4W - Takardar Fasaha ta Hausa

1. Dubawa na samfur

Wannan takarda tana ba da cikakkun bayanai game da tantaki na diode mai haske (LED) na infrared wanda ke amfani da fakitin PLCC-2 na Surface-Mount. An ƙera na'urar don ayyukan da ke buƙatar radiyo na infrared, musamman a cikin yanayin noma da gandun daji da aka sarrafa.

1.1 Matsayin Samfur da Fa'idodi na Asali

An sanya LED a matsayin tushen hasken infrared na 735nm, wanda ake yawan amfani da shi wajen nazarin ilimin halittar shuka da haɓaka girma. Fa'idodinsa na asali sun samo asali ne daga ƙaramin fakitin PLCC-2, wanda ke ba da kusurwar kallo mai faɗin digiri 120, daidaitawa da daidaitattun hanyoyin haɗawa na SMT, da kuma bin ƙa'idodin muhalli na RoHS. Matakin da ya dace da damshin murya yana da darajar Level 3, yana nuna cewa ana buƙatar matakan kulawa na yau da kullun.

1.2 Kasuwar da Ake Nufa

Manyan kasuwannin da ake nufa sun haɗa da gandun daji na ƙwararru (misali, samar da furanni, dakunan al'adun nama, gonakin tsaye/ masana'antun shuka), da kuma na'urorin lantarki na gaba ɗaya inda ake buƙatar fitilun infrared don ganowa ko sigina.

2. Bincike Mai Zurfi na Sigogi na Fasaha

Halayen wuta da na gani suna ayyana yanayin aiki da tsammanin aikin na'urar.

2.1 Halaye na Photometric da Radiometric

A yanayin halin yanzu na gaba (I_F) na 150mA da yanayin zafi na juncƙion (T_s) na 25°C, manyan sigogi sune:

• Tsawon Tsayin Tsayin (λ_p):735nm (na yau da kullun), tare da kewayon daga 730nm zuwa 740nm. Wannan yana sanya fitarwa cikin inganci a cikin bakan infrared na kusa.
• Jimlar Juyin Radiant (Φ_e):112mW (na yau da kullun), yana kewayo daga 90mW zuwa 140mW. Wannan yana auna jimlar ikon gani.
• Kusurwar Dubawa (2θ_1/2):Digiri 120 (na yau da kullun), yana ba da tsarin fitarwa mai faɗi wanda ya dace da hasken yanki.

2.2 Halayen Wuta

• Ƙarfin Lantarki na Gaba (V_F):2.2V (na yau da kullun) a I_F=150mA, a cikin kewayon 1.8V zuwa 2.6V. Wannan sigogi yana da mahimmanci don ƙirar da'irar matukin.
• Halinka Mai Juyawa (I_R):Kasa da 10µA a cikin ƙarfin lantarki na baya (V_R) na 5V, yana nuna ingantacciyar daidaiton diode.

2.3 Halaye na Thermal da Amincewa

• Rukunin Thermal (R_θJ-S):15°C/W (na yau da kullun) daga juncƙion zuwa wurin gyare-gyare. Wannan ƙimar yana da mahimmanci don sarrafa zafin jiki don hana yin zafi.
• Matsakaicin Matsayi Mai cikakken ƙarfi:Waɗannan suna ayyana iyakoki waɗanda za a iya haifar da lalacewa ta dindindin.
  • Rushewar Wutar Lantarki (P_D): 0.4W
  • Ci gaba da Halin yanzu na gaba (I_F): 150mA
  • Koli na Halin yanzu na gaba (I_FP): 200mA (a cikin da'irar aikin 1/10, faɗin bugun jini 0.1ms)
  • Ƙarfin Lantarki Mai Juyawa (V_R): 5V
  • Fitowar Tashin Wutar Lantarki (ESD) Jikin Mutum (HBM): 2000V (tare da fitarwa fiye da 90%, amma ana ba da shawarar kariya a lokacin sarrafawa)
  • Yanayin Zafi na Aiki (T_OPR): -40°C zuwa +85°C
  • Yanayin Zafi na Ajiya (T_STG): -40°C zuwa +100°C
  • Matsakaicin Yanayin Zafi na Juncƙion (T_J): 115°C

3. Bayanin Tsarin Binning

Yayin da ba a bayar da lambar binning na yau da kullun a cikin takardar ba, sigogin samfurin suna da garantin cikin ƙayyadaddun m, m, da m. Wannan ya zama tsarin binning na wuta da na gani. Manyan sigogi waɗanda aka ɗaura da wannan bambancin sun haɗa da ƙarfin lantarki na gaba (V_F), tsayin tsayin raƙuman ruwa (λ_p), da jimlar juzu'in haske (Φ_e). Masu zane-zane ya kamata su yi la'akari da waɗannan iyakokin: ±0.1V don V_F, ±2nm don λ_p, da ±10% don Φ_e. Don aikace-aikacen da ke buƙatar daidaito mai ƙarfi, zaɓi ko gwajin raka'o'i ɗaya na iya zama dole.

4. Binciken Lankwasa Aiki

Lankwasan halaye na yau da kullun suna ba da haske game da halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Ƙarfin Lantarki na Gaba da Halin yanzu na gaba (Lankwalin VI)

Lankwasa yana nuna dangantakar da ba ta da layi, na yau da kullun ga diodes. Ƙarfin lantarki na gaba yana ƙaruwa tare da halin yanzu, yana farawa kusan 1.65V a ƙananan igiyoyin ruwa kuma yana kusa da 1.9V a matsakaicin ƙimar 150mA. Wannan lankwala yana da mahimmanci don tantance raguwar wuta a cikin LED a cikin aiki.

4.2 Ƙarfin Radiant na Dangantaka da Halin yanzu na Gaba

Wannan jadawali yana nuna cewa fitarwar gani ta yi daidai da halin yanzu har zuwa matsakaicin ƙima. Koyaya, yuwuwar iyakar na iya raguwa a cikin mafi girma igiyoyin ruwa saboda ƙara yawan zafin jiki na juncƙion.

4.3 Ƙarfin Radiant na Dangantaka da Yanayin Zafi na Solder Point

Ƙarfin fitarwa yana raguwa yayin da yanayin zafi na wurin gyaɗa (T_s) yana ƙaruwa. Wannan tasirin kashe zafin jiki wani muhimmin sifa ne na LEDs kuma yana jaddada mahimmancin ingantaccen haska zafi don kiyaye fitowar haske.

4.4 Halin yanzu na gaba da Yanayin Zafi na Solder Point

Wannan lankwala yana nuna ƙuntataccen halin yanzu na gaba wanda aka ba da izini yayin da yanayin yanayin ya tashi. Don kiyaye yanayin zafi na juncƙion a cikin iyakokin aminci, dole ne a rage matsakaicin halin yanzu na ci gaba a cikin wurare masu zafi.

4.5 Rarraba Bakan

Tsarin bakan ya tabbatar da kololuwa mai rinjaye a kusan 735nm tare da cikakken faɗin rabin matsakaicin (FWHM) na kowa ga LEDs infrared. Hasken ya isa ga aikace-aikacen da ke nufin amsa takamaiman mai karɓar hoto a cikin shuke-shuke.

5. Bayanin Injiniya da Packaging

5.1 Girman Jiki

Na'urar tana amfani da fakitin PLCC-2 (Fakitin Kayan Kayan Kayan Kayan Kaya). Manyan girma sune (duk a cikin millimeters, iyaka ±0.2mm sai dai idan aka lura):

• Tsawon Gabaɗaya: 3.5 mm
• Faɗin Gabaɗaya: 2.8 mm
• Tsayin Gabaɗaya: 0.65 mm
• Girman jagora da tazarar kafa suna kamar yadda aka yi cikakken zane a cikin tantaki.

5.2 Zane na Pad da Ganewar Polarity

Duban ƙasa yana nuna sandunan gyaɗa guda biyu. An yi alama a sarari polarity; Pad ɗin da ke da alaƙa da anode (+) yawanci ya fi girma ko kuma an nuna shi a cikin zanen ƙafafu. Daidaitaccen yanayi yayin sanyawa yana da mahimmanci don aiki.

5.3 Tsarin Ƙasar Soldar da Aka Ba da Shawara

An ba da shawarar ƙafar PCB (tsarin gyaɗa) don tabbatar da ingantattun filayen gyaɗa da kwanciyar hankali na injiniya bayan sake kwaikwayo. Bin wannan tsarin yana taimakawa cimma ingantaccen haɗin zafi da wutar lantarki.

6. Jagororin Soldar da Ƙungiya

6.1 Tsarin SMT Reflow Soldar

Na'urar ta dace da daidaitattun hanyoyin gyaɗa marasa gubar. An ba da shawarar bayyanannen bayanin sake kwaikwayo tare da matsakaicin zafi bai wuce 260°C ba. Takamaiman lokacin da ke sama da ruwa ya kamata a sarrafa shi gwargwadon ƙa'idodin masana'antu (misali, IPC/JEDEC J-STD-020) don hana lalata fakiti.

6.2 Manual Soldar da Gyara

Idan aikin gyaɗa na hannu ya zama dole, yi amfani da ƙarfe mai sarrafa zafin jiki tare da matattarar zafin jiki ƙasa da 350°C. Yakamata a rage lokacin lamba (kasa da dakika 3) don gujewa matsakaicin canja wurin zafi zuwa guntun LED. Don sake aiki, ana fifita zafin gida akan sake dumama gabaɗayan allon.

6.3 Gargadi Mai Muhimmanci

• Kariyar ESD:Na'urar tana da hankali ga fitar da tashin wutar lantarki. Yi amfani da ayyukan ESD-safe a duk matakan sarrafawa da haɗawa.
• Hankali na Damina:A matsayin ɓangaren MSL Level 3, dole ne a yi amfani da samfurin cikin sa'o'i 168 bayan buɗe jakar bushewa, sai dai idan an gasa bisa ga daidaitattun hanyoyin.
• Matsalolin Injiniya:Guɓe amfani da kuzarin injiniya kai tsaye ga ruwan tabarau ko jikin fakitin.
• Tsaftacewa:Idan ana buƙatar tsaftacewa bayan gyaɗa, yi amfani da kaushi masu dacewa waɗanda ba su lalata fakitin filastik ko ruwan tabarau ba.

7. Packaging da Bayanan Oda

7.1 Packaging na Ƙidaya

Ana samar da samfurin akan tef da reel don haɗin kai na atomatik. Faɗin tef ɗin mai ɗaukar kaya, girman aljihu, da girman reel (misali, reel 7-inch ko 13-inch) sun yi daidai da ƙayyadaddun ƙa'idodin EIA don tabbatar da dacewa da kayan aikin SMT.

7.2 Jakar Kariya daga Damina

Ana rufe reels a cikin jakunkunan shinge na damina na aluminum tare da desiccant da katin alamar zafi don kiyaye bushewa yayin ajiya da sufuri, bisa ga buƙatun MSL Level 3.

7.3 Akwatin Waje

Ana tattara reels da yawa a cikin akwatin kwaro mai ƙarfi don jigilar kaya, yana ba da kariya daga lalacewa ta jiki.

8. Shawarwari na Aikace-aikace

8.1 Lamuran Aikace-Aikacen Yau da Kullun

• Haɓaka Shuka da Gandun daji:Tsayin raƙuman ruwa na 735nm zai iya rinjayar photomorphogenesis na shuka, yana iya haɓaka tsawaita ko furanni a cikin wasu nau'ikan lokacin da aka haɗa shi tare da wasu bakan haske.
• Kayan Aikin Kimiyya da Kimiyya:Ana amfani da shi azaman tushen haske a cikin spectroscopy, ganewar barbashi, ko na'urorin likitanci waɗanda ke buƙatar hasken da ba a iya gani ba.
• Hasken Infrared na Gabaɗaya:Don tsarin hangen dare, kyamarori masu sa ido, ko na'urori masu ganowa inda hasken da ake iya gani ba ya so.

8.2 Abubuwan Da Ake Yi la'akari da su

• Tukin Halin yanzu:Yi amfani da direban halin yanzu don ingantacciyar fitarwa ta gani. Dole ne a yi la'akari da bambancin ƙarfin lantarki na gaba lokacin ƙirar da'irar direba.
• Gudanar da Thermal:Tabbatar cewa PCB yana da isassun taimakon zafin jiki kuma, idan ya cancanta, yi amfani da heatsink don kiyaye yanayin zafi na wurin gyaɗa ƙasa kaɗan, yana haɓaka fitarwar haske da tsawon rai.
• Zane na Gani:Kusurwar dubawa mai digiri 120 tana ba da ɗaukar hoto mai faɗi. Don ingantattun katako, ƙila a buƙaci na'urori na gani na sakandare (ruwan tabarau).

9. Kwatancen Fasaha tare da Samfuran Kama

Idan aka kwatanta da na'urorin LED infrared na gabaɗaya a cikin fakiti daban-daban (misali, rami na 5mm ko ƙananan fakiti), wannan na'urar PLCC-2 tana ba da ma'auni mai sauƙi don sarrafa haɗin SMT, ingantacciyar hanyar zafi ta hanyar jagororin ta, da daidaitaccen ƙafar ƙafa. Matsakaicin juzu'in haskensa na 112mW a 150mA yana da gasa ga girman fakiti. Bambance-bambancen farko shine haɗuwar takamaiman tsayin raƙuman ruwa na 735nm, ƙaƙƙarfan fakiti wanda ya dace da haɗin kai na atomatik, da ingantaccen siffar zafi.

10. Tambayoyin da Ake Yawan Tambaya (FAQs)

10.1 Menene babban manufar wannan LED?

An ƙera wannan LED da farko don fitar da hasken infrared a 735nm, yana mai da shi ya dace da aikace-aikacen a cikin noman yanayi da aka sarrafa da kuma gano hasken infrared na gaba ɗaya inda wannan takamaiman tsayin raƙuman ruwa yake da fa'ida.

10.2 Zan iya tuƙi shi tare da tushen ƙarfin lantarki akai-akai?

Ba a ba da shawarar hakan ba. LEDs na'urori ne masu motsa jiki. Tushen ƙarfin lantarki na akai-akai tare da resistor kawai za a iya amfani dashi don saita saukai, amma ƙwararren direban halin yanzu ya fi dacewa don kiyaye daidaitaccen aiki akan zafi da bambance-bambancen raka'a.

10.3 Yaya muhimmanci gudanar da zafin jiki?

Muhimmanci sosai. Matsakaicin zafin jiki zai rage yawan fitarwar haske, ya ɗan canza tsayin raƙuman ruwa, kuma yana rage tsawon rayuwar aiki. Ya kamata a yi amfani da ƙimar juriyar zafi (15°C/W) don lissafin yawan zafin da ake tsammani a ƙarƙashin yanayin aikin ku.

10.4 Shin wannan LED yana da lafiya?

Ba a iya ganin radiyo ta infrared ga idon ɗan adam, amma har yanzu tana iya haifar da haɗari a manyan ƙarfin wutar lantarki. Koyaushe ku bi ƙa'idodin aminci na Laser da LED da suka dace da aikace-aikacen ku, wanda zai iya haɗawa da ƙirar shinge ko iyakance ikon fitarwa.

11. Shari'o'in Amfani na Aiki

11.1 Nazarin Shari'ar: Ƙarin Haskakawa a cikin Gonar Tsaye

A cikin tsarin noma mai tsaye mai yawa, za a iya haɗa jeri na waɗannan LEDs a cikin racks na girma don samar da takamaiman jiyya na haske mai nisa (735nm) a lokacin matakin ƙarshe na noman lettuce. Wannan jiyya, lokacin da aka yi shi daidai, na iya rinjayar siffar shuka kuma yana iya haɓaka wasu halaye ba tare da haɓaka ƙarfin hasken da ake iya gani ba, yana adana makamashi.

11.2 Nazarin Shari'ar: Firintau na Kusa a cikin Kayan Aiki

Ana iya haɗa LED tare da na'urar gano hoto don ƙirƙirar abin gano kusa ko abu mai sauƙi a cikin kayan aikin gida (misali, na'urar ba da sabulu ta atomatik). Tsayin raƙuman ruwa na 735nm ba shi da sauƙin haifar da tsangwama daga hasken da ake iya gani na yanayi idan aka kwatanta da LEDs ja, yana haɓaka rabo na sigina zuwa amo.

12. Gabatarwar Ka'ida

Diodes masu haskakawa na'urori ne na semiconductor waɗanda ke fitar da haske ta hanyar wutar lantarki. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a cikin mahaɗar pn, electrons da ramuka sun sake haɗuwa, suna sakin makamashi a cikin nau'in photons. Tsayin raƙuman ruwa (launi) na hasken da aka fitar an ƙaddara shi ta hanyar ƙarfin bandgap na kayan semiconductor da aka yi amfani da su. Don wannan LED infrared, ana amfani da kayan kamar aluminum gallium arsenide (AlGaAs) don cimma fitarwa a cikin kewayon 730-740nm. Fakiti na PLCC yana ɗauke da guntun semiconductor, yana ba da haɗin wutar lantarki ta hanyar jagora, kuma ya haɗa da ruwan tabarau na filastik wanda ke siffanta katakon fitarwar haske.

13. Trends na Ci gaba a Fasahar LED

Mafi girman masana'antar LED na ci gaba da haɓaka ta hanyoyi da yawa masu dacewa da irin waɗannan abubuwan:

• Ƙarfafa Ƙarfafawa:Binciken da ke gudana yana nufin inganta ingancin famfo na bangon (canza wutar lantarki zuwa ikon gani) na duk LEDs, gami da nau'in infrared, rage amfani da makamashi don irin wannan fitarwar gani.
• Ingantaccen Ayyukan Thermal:Ana samun sabbin ƙira da kayan aikin fakiti don rage juriyar zafi, yana ba da damar yin amfani da igiyoyin ruwa masu girma ko ƙirar ƙira mara zafi.
• Sarrafa Tsawon Tsayin Tsayin:Ci gaba a cikin dabarun girma na epitaxial yana ba da damar ƙarin sarrafa tsayin tsayin raƙuman ruwa, wanda yake da mahimmanci ga aikace-aikacen kimiyya da na musamman na noma inda ake nufin takamaiman photoreactions.
• Haɗin kai da Tsarin Wayo:Trends suna nuna zuwa ga LEDs ana haɗa su tare da direbobi, na'urori masu auna firikwensin, da hanyoyin sadarwa cikin \"wayo\" modules don tsarin noma ko masana'antu masu kunna IoT.
• Dorewa:Ana ƙara ba da fifiko kan yin amfani da kayan da suka fi dacewa da muhalli a cikin fakiti na LED da haɓaka sake yin amfani da su.

Wannan takardar tantaki ta yi cikakken bayani game da wani sashi wanda ya dace da waɗannan ci gaba, yana ba da daidaitaccen, ingantaccen tushen infrared don bukatun fasaha na yanzu.