Bayanin Fasaha na LED Blue P-LCC-2 - Kunshin 3.2x2.8x1.9mm - Ƙarfin Wutar Gaba 2.7-3.5V - Ƙarfin Haske har zuwa 285mcd - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na LED mai haɗawa ta saman (SMD) a cikin kunshin P-LCC-2. Babban aikin wannan ɓangaren shi ne a matsayin mai nuna alama ta gani ko tushen haske na baya. Babban fa'idodinsa sun samo asali ne daga ƙaramin farar kunshinsa mai taga bayyananne mara launi, wanda ke sauƙaƙe faɗin kusurwar kallo na digiri 120. Wannan ƙira, wacce ke da ingantaccen mai juyar da haske a ciki don haɗa haske, ya sa ya dace musamman don aikace-aikacen jagorar haske da bututun haske. Kasuwannin da ake nufi sun haɗa da na'urorin sadarwa (don alamun waya/na'urar faks), na'urorin lantarki na masu amfani don hasken baya na LCD, hasken maɓalli, da amfani na gaba ɗaya na nuna alama inda ake buƙatar ingantaccen fitar da haske mai dogaro.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Matsakaicin Matsayin Ƙarfi

An ƙera na'urar don yin aiki cikin aminci a cikin waɗannan iyakoki na gaba ɗaya, wanda bayansa lalacewa ta dindindin na iya faruwa. Matsakaicin ƙarfin wutar baya (V_R) shine 5V. Ci gaba da ƙarfin wutar gaba (I_F) bai kamata ya wuce 25mA ba, yayin da matsakaicin ƙarfin wutar gaba (I_FP) na 100mA ya halatta a ƙarƙashin yanayin bugun jini (ayyukan aiki 1/10 a 1kHz). Matsakaicin ɓarnawar wutar lantarki (P_d) shine 95mW. Bangaren zai iya jurewa fitar da wutar lantarki (ESD) na 2000V bisa ga Tsarin Jikin Mutum (HBM). Kewayon zafin aiki (T_opr) daga -40°C zuwa +85°C, kuma ana iya adana shi (T_stg) tsakanin -40°C da +90°C. An ayyana iyakokin zafin gishiri don sake karkatarwa (260°C na dakika 10) da gishiri na hannu (350°C na dakika 3).

2.2 Halayen Lantarki da Na Gani

Ana auna waɗannan sigogi a daidaitaccen yanayin gwaji na I_F = 20mA da zafin yanayi (T_a) na 25°C. Ƙarfin haske (I_V) yana da kewayon na yau da kullun, tare da mafi ƙarancin millicandelas (mcd) 90 da matsakaicin 285 mcd, kamar yadda tsarin rarrabuwa ya ayyana. Babban tsayin raƙuman ruwa (λ_d) don bambancin shuɗi an ƙayyade shi tsakanin 464 nm da 472 nm, tare da matsakaicin tsayin raƙuman ruwa (λ_p) a kusa da 468 nm. Faɗin bakan (Δλ) yawanci 25 nm ne. Ƙarfin wutar gaba (V_F) da ake buƙata don tuƙa LED a 20mA ya bambanta daga mafi ƙarancin 2.70V zuwa matsakaicin 3.50V. An lura da jurewa: ±11% don ƙarfin haske, ±0.1V don ƙarfin wutar gaba, da ±1nm don matsakaicin tsayin raƙuman ruwa.

3. Bayanin Tsarin Rarrabuwa

Don tabbatar da daidaito a cikin samarwa, ana rarraba LED zuwa kwandon ajiya bisa ga mahimman sigogi na aiki.

3.1 Rarrabuwar Ƙarfin Haske

Ana rarraba fitar da haske zuwa kwandon ajiya biyar (Q2, R1, R2, S1, S2), tare da ƙananan ƙimomi daga 90 mcd (Q2) zuwa 225 mcd (S2) da manyan ƙimomi daga 112 mcd (Q2) zuwa 285 mcd (S2), duk an auna su a I_F=20mA.

3.2 Rarrabuwar Babban Tsayin Raƙuman Ruwa

Launin shuɗi (Rukuni F) an ƙara raba shi zuwa kwandon ajiya huɗu na tsayin raƙuman ruwa: AA1 (464-466 nm), AA2 (466-468 nm), AA3 (468-470 nm), da AA4 (470-472 nm). Wannan yana ba masu ƙira damar zaɓar LED tare da takamaiman wuraren launi.

3.3 Rarrabuwar Ƙarfin Wutar Gaba

An rarraba ƙarfin wutar gaba zuwa ƙungiyoyi huɗu (10, 11, 12, 13) a cikin jimlar kewayon 2.70V zuwa 3.50V, tare da kowane kwandon ajiya ya ƙunshi tazarar 0.2V (misali, Kwandon ajiya 10: 2.70-2.90V). Wannan yana da mahimmanci don ƙira ingantattun da'irori masu iyakancewar halin yanzu da kuma tabbatar da daidaiton haske a cikin tsararrun LED da yawa.

4. Binciken Lanƙwasa Aiki

Takardar bayanai tana ba da lanƙwasa halaye da yawa waɗanda ke nuna halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Dangantakar Ƙarfin Haske da Ƙarfin Wutar Gaba

Wannan lanƙwasa tana nuna cewa fitar da haske yana ƙaruwa tare da ƙarfin wutar gaba amma ba a layi daya ba. Yana taimaka wa masu ƙira su fahimci cinikin inganci lokacin tuƙa LED sama ko ƙasa da daidaitaccen 20mA.

4.2 Dangantakar Ƙarfin Haske da Zafin Yanayi

Ƙarfin haske yana raguwa yayin da zafin yanayi ya tashi. Lanƙwasa tana da mahimmanci ga aikace-aikacen da ke aiki a cikin yanayi mai zafi, kamar yadda ke nuna ƙimar da ake buƙata don kiyaye aiki da tsawon rai.

4.3 Lanƙwasa Rage Ƙimar Ƙarfin Wutar Gaba

Wannan jadawali ya ayyana matsakaicin ƙarfin wutar gaba mai ci gaba da aka halatta a matsayin aiki na zafin yanayi. Don hana zafi da kuma tabbatar da dogaro, dole ne a rage halin yanzu lokacin aiki sama da 25°C.

4.4 Ƙarfin Wutar Gaba da Ƙarfin Wutar Gaba

Lanƙwasa IV tana nuna alaƙar ma'auni tsakanin halin yanzu da ƙarfin wutar lantarki, wanda shine tushe don zaɓar daidaitaccen tsarin tuƙi (madaidaicin halin yanzu da na tushen resistor).

4.5 Rarraba Bakan

Makircin bakan ya tabbatar da fitar da hasken shuɗi mai launi ɗaya a tsakiya a kusa da 468 nm tare da ƙayyadaddun bandwidth, mai mahimmanci ga aikace-aikacen masu kula da launi.

4.6 Zanen Radiation

Wannan makircin polar yana tabbatar da faɗin tsarin fitarwa mai kama da Lambertian tare da kusurwar kallo na 120°, yana nuna yadda ƙarfin haske ke rarrabawa ta sarari.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

Kunshin P-LCC-2 yana da ƙaramin ƙafa. Manyan girma sun haɗa da girman jiki kusan 3.2mm tsawon da 2.8mm faɗi, tare da tsayi na 1.9mm. Ana gano cathode ta hanyar tsaga ko alama mai kore akan kunshin. Cikakkun zane-zane suna ƙayyade shawarwarin shimfidar kafet don ƙirar PCB, gami da tsarin ƙasa da ma'anar abin rufe fuska, tare da daidaitattun jurewa na ±0.1mm sai dai idan an lura da su.

5.2 Girman Reel da Tepe

Ana samar da ɓangaren akan tepe mai ɗaukar kaya na 8mm don haɗawa ta atomatik. An ba da girman reel da ƙayyadaddun aljihun tepe don tabbatar da dacewa da daidaitattun kayan aikin SMT. Kowane reel yana ƙunshe da guda 2000.

6. Jagororin Gishiri da Haɗawa

LED ya dace da matakan sake karkatarwa na tururi, sake karkatarwa na infrared, da hanyoyin gishiri na igiyar ruwa. Muhimmin sigogi don gishiri sake karkatarwa shine matsakaicin zafin jiki na 260°C na matsakaicin dakika 10. Don gishiri na hannu, zafin ƙarshen ƙarfe bai kamata ya wuce 350°C ba, kuma lokacin tuntuɓar ya kamata a iyakance shi zuwa dakika 3 a kowane kafet. Yana da mahimmanci don guje wa damuwa na injiniya akan kunshin yayin da bayan gishiri. An ƙididdige na'urar a matsayin mara gubar da dacewa da RoHS.

7. Bayanin Kunshi da Oda

Ana kunna LED a cikin jakunkuna masu hana danshi tare da bushewa don kare su daga danshi yayin ajiya da sufuri, kamar yadda suke na'urori masu kula da danshi (MSD). Alamar samfur akan reel ta haɗa da lambobin Luminous Intensity Rank (CAT), Dominant Wavelength Rank (HUE), da Forward Voltage Rank (REF), waɗanda suka dace kai tsaye da bayanan rarrabuwa. Lambar sashi 67-11/BHC-FQ2S1F/2T tana ɓoye waɗannan zaɓin kwandon ajiya (misali, F don ƙungiyar tsayin raƙuman ruwa, Q2/S1 don ƙarfi, da sauransu).

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

• Alamomin Matsayi:Mai kyau don wutar lantarki, haɗin kai, ko fitilun aiki a cikin na'urorin lantarki na masu amfani, na'urorin sadarwa, da allunan masana'antu.
• Hasken Baya:Ya dace don hasken baya mai haske gefe ko kai tsaye na ƙananan nunin LCD, alamomin maɓalli, ko maɓallan membrane.
• Jagororin Hasken/Bututu:Faɗin kusurwar kallo da bayyanannen kunshi sun sa ya zama kyakkyawan tushen batu don bututun hasken filastik waɗanda ke tura haske zuwa gaban allon.
• Hasken Gabaɗaya:Ana iya amfani da shi a cikin tsararrun don ƙananan haske na ado ko na aiki.

8.2 Abubuwan Tunani na Ƙira

• Iyakance Halin Yanzu:Koyaushe yi amfani da resistor na jerin ko direban halin yanzu don saita ƙarfin wutar gaba. Lissafa ƙimar resistor bisa ga ƙarfin wutar lantarki da matsakaicin V_F daga kwandon ajiya (misali, 3.5V) don tabbatar da halin yanzu bai taɓa wuce 25mA ba a ƙarƙashin mafi munin yanayi.
• Gudanar da Zafin Jiki:Don ci gaba da aiki a manyan yanayin zafi ko kusa da matsakaicin halin yanzu, yi la'akari da taimakon zafin jiki na PCB da kuma guje wa sanya wasu hanyoyin zafi a kusa. Ku bi lanƙwasa rage ƙimar halin yanzu.
• Ƙirar Gani:Yi amfani da kusurwar kallo na 120°. Don aikace-aikacen bututun haske, tabbatar cewa an ƙera kayan bututu da lissafi don kama da watsa wannan faɗin tsarin fitarwa yadda ya kamata.
• Kariya ta ESD:Duk da yake na'urar tana da kariyar ESD (2000V HBM), ana ba da shawarar aiwatar da matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa.

9. Kwatancen Fasaha

Idan aka kwatanta da tsofaffin nau'ikan kunshin LED kamar nau'ikan rami na 5mm, wannan LED na SMD P-LCC-2 yana ba da fa'idodi masu mahimmanci: ƙaramin ƙafa wanda ke ba da damar ƙira mai girma, dacewa da haɗawa ta atomatik cikakke yana rage farashi, da ƙananan bayani don samfuran ƙarshe masu siriri. Faɗin kusurwar kallonsa shine babban abin banbance shi da ƙananan kusurwar SMD LED, yana mai da shi mafi girma ga aikace-aikacen da ke buƙatar ganuwa daga kusurwoyin da ba na axis ba ba tare da na'urorin gani na biyu ba. Tsarin rarrabuwa da aka ayyana yana ba da ingantaccen sarrafa aiki fiye da LED marasa rarrabuwa, yana tabbatar da daidaiton launi da haske a cikin samarwa.

10. Tambayoyin da ake yawan yi (Bisa ga Sigogi na Fasaha)

Q: Zan iya tuƙa wannan LED kai tsaye daga wadataccen wutar lantarki na 5V?

A: A'a. Ƙarfin wutar gaba shine 2.7-3.5V kawai. Haɗa shi kai tsaye zuwa 5V zai haifar da halin yanzu mai yawa, yana lalata LED. Dole ne ku yi amfani da resistor mai iyakancewar halin yanzu. Misali, tare da wadataccen wutar lantarki na 5V da V_F na yau da kullun na 3.2V, da niyyar I_F=20mA yana buƙatar resistor na (5V - 3.2V) / 0.02A = 90Ω.

Q: Me yasa akwai faɗin kewayon a cikin ƙarfin haske (90 zuwa 285 mcd)?

A> Wannan kewayon yana wakiltar jimlar yaduwa a duk kwandon ajiya na samarwa. Ta hanyar ƙayyade takamaiman kwandon ajiya (misali, S1: 180-225 mcd) lokacin yin oda, zaku iya ba da garantin LED a cikin ƙaramin kewayon haske don aikace-aikacenku.

Q: Ana buƙatar sinkon zafi?

A> Don aiki a 20mA ko ƙasa a cikin ƙayyadadden kewayon zafin jiki, yawanci ba a buƙatar takamaiman sinkon zafi don LED guda ɗaya. Duk da haka, sarrafa zafin jiki ta hanyar kafet na tagulla na PCB ya zama mahimmanci don tsararrun ko aiki a manyan yanayin zafi.

Q: Ta yaya zan gano cathode?

A> An yiwa cathode alama akan kunshin. Dubi zanen girman kunshin wanda ke nuna fasalin ganewa (yawanci kore ɗigo ko tsaga a gefen cathode).

11. Yanayin Amfani na Aiki

Yanayi: Ƙirar allon nuna alama don na'urar hanyar sadarwa.Allon yana da gumaka huɗu (Wutar Lantarki, Intanet, Wi-Fi, Ethernet) waɗanda ke buƙatar haskakawa daga baya ta amfani da bututun haske. Mai ƙira ya zaɓi wannan LED blue P-LCC-2. Sun zaɓi kwandon ajiya S1 don ƙarfi don tabbatar da isasshen haske da kwandon ajiya AA2 don tsayin raƙuman ruwa don samun launin shuɗi mai daidaito. A kan PCB, an sanya LED huɗu kai tsaye ƙarƙashin wuraren shigar da bututun hasken da aka ƙera. An zaɓi madaidaicin halin yanzu na 18mA (dan ƙasa da matsakaicin 20mA don gefe) ta amfani da sauƙaƙen lissafin resistor dangane da layin tsarin 3.3V da matsakaicin V_F daga zaɓaɓɓen kwandon ajiya na ƙarfin wutar lantarki. Faɗin kusurwar kallo na 120° yana tabbatar da ingantaccen haɗa haske cikin bututun haske, yana ba da haske daidai gwargwado a kan alama tare da kyakkyawan ganuwa daga gefe. Kunshin SMD yana ba da damar shimfidar PCB mai ƙarami da haɗawa ta atomatik.

12. Gabatarwar Ka'ida

Wannan LED ya dogara ne akan guntu na semiconductor da aka yi daga Indium Gallium Nitride (InGaN). Lokacin da aka yi amfani da ƙarfin wutar gaba wanda ya wuce ƙofar diode, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na kayan semiconductor. Wannan tsarin sake haɗawa yana sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na InGaN yana ƙayyade ƙarfin bandgap, wanda kai tsaye yayi daidai da tsayin raƙuman ruwa (launi) na fitar da haske—a wannan yanayin, shuɗi. Hasken da aka samar a cikin guntu sai a fitar da shi ta kunshin. Epoxy resin mara launi yana aiki azaman ruwan tabarau, kuma tsarin mai juyar da ciki (wanda aka ambata a matsayin "mai juyar da ciki") yana taimakawa wajen jagorantar yawancin hasken da aka samar a ciki daga saman kunshin, yana haɓaka inganci da ƙirƙirar faɗin kusurwar kallo.

13. Trends na Ci Gaba

Trend a cikin LED masu nuna alama kamar wannan yana ci gaba zuwa mafi inganci (ƙarin fitar da haske a kowace mA na halin yanzu), wanda ke rage amfani da wutar lantarki da samar da zafi. Har ila yau, girman kunshi yana raguwa, yana ba da damar ƙarin ƙananan na'urorin lantarki. Ana ƙara mai da hankali kan ƙaramin rarrabuwa da mafi kyawun daidaiton launi don biyan buƙatun aikace-aikace kamar na'urorin lantarki na masu amfani inda bayyanannen bayyananne ke da mahimmanci. Bugu da ƙari, haɗa na'urorin tuƙi ko fasalulluka na kariya kai tsaye cikin kunshin LED wani yanki ne na ci gaba don sauƙaƙe ƙirar da'ira ga masu amfani na ƙarshe. Fasahar InGaN na tushe don LED shuɑi ta girma amma tana ci gaba da ingantawa don ingantaccen dogaro da aiki a matsanancin zafin jiki.