Bayanin Fasaha na LTE-C9511-E Mai Fitowa da Gano Infrared - Tsawon Zango 940nm - Halin Gaba na 20mA - Ƙarfin Lantarki na Gaba na 1.5V - Takardun Fasaha na Hausa

1. Bayanin Samfur

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun bayanai na wani ɓangaren infrared da aka ƙera don aikace-aikacen da ke buƙatar ingantaccen fitarwa da gano infrared. Na'urar wani ɓangare ne na ɗora saman (SMD) wanda ke da mafi girman tsawon zango (λp) na 940nm, wanda ya sa ya dace da nau'ikan tsarin haske da lantarki daban-daban.

1.1 Siffofi

• Ya bi ka'idojin RoHS da Samfurin Kore.
• An shirya shi a cikin tef na 8mm akan reels masu diamita 7\" don haɗawa ta atomatik.
• Ya dace da kayan aikin sanyawa ta atomatik da hanyoyin siyar da infrared reflow.
• Madaidaicin ƙafar fakitin EIA.
• Mafi girman tsawon zango na fitarwa (λp) na 940nm.
• Rufewar filastik mai tsabta kamar ruwa tare da ruwan tabarau na sama.
• Matakin Hancin Danshi (MSL) 3.

1.2 Aikace-aikace

• Mai fitowa infrared don na'urorin sarrafa nesa.
• Na'urar gano infrared da aka ɗora akan PCB don gano kusanci, watsa bayanai, ko ƙararrawar tsaro.

2. Girman Bayyanar

Bangaren ya bi madaidaicin bayyanar fakitin na'urar ɗora saman (SMD). Duk manyan girmansu an bayar da su a cikin zane-zanen bayanin bayanai tare da madaidaicin jurewar ±0.15mm sai dai idan an faɗi akasin haka. An ƙera fakitin don ingantaccen sanyawa da siyarwa akan allunan da'ira da aka buga (PCB).

3. Matsakaicin Matsakaicin Ƙimar

Waɗannan ƙimar suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Duk ƙimar an ƙayyade su a yanayin zafin muhalli (TA) na 25°C.

• Rushewar Wutar Lantarki (Pd):100 mW
• Matsakaicin Halin Gaba (IFP):1 A (a ƙarƙashin yanayin bugun jini: 300 pps, faɗin bugun jini na 10μs)
• Halin Gaba DC (IF):50 mA
• Ƙarfin Lantarki na Baya (VR):5 V
• Kewayon Zafin Aiki (Topr):-40°C zuwa +85°C
• Kewayon Zafin Ajiya (Tstg):-55°C zuwa +100°C
• Yanayin Siyar da Infrared Reflow:Matsakaicin zafin kololuwa na 260°C na tsawon dakika 10.

4. Halayen Lantarki da Hasken Gani

Ana auna madaidaicin sigogin aiki a TA=25°C a ƙarƙashin ƙayyadaddun yanayin gwaji, suna ba da tsammanin halayen aiki.

• Ƙarfin Hasken Rana (I_E):4.0 (Ƙarami), 6.0 (Na al'ada) mW/sr a I_F= 20mA.
• Matsakaicin Tsawon Zango na Fitarwa (λ_Kololuwa):940 nm (Na al'ada) a I_F= 20mA.
• Rabin Faɗin Layin Bakan (Δλ):50 nm (Na al'ada) a I_F= 20mA.
• Ƙarfin Lantarki na Gaba (V_F):1.2 (Na al'ada), 1.5 (Matsakaici) V a I_F= 20mA.
• Halin Baya (I_R):10 μA (Matsakaici) a V_R= 5V.
• Kusurwar Dubawa (2θ_1/2):20 (Ƙarami), 25 (Na al'ada) digiri. θ_1/2shine kusurwar da ba ta kan axis ba inda ƙarfin hasken rana ya rabi ƙimar axial.

4.1 Jerin Lambobin Bin

An rarraba na'urorin zuwa bins bisa ga auna Ƙarfin Hasken Rana a 20mA don tabbatar da daidaito a cikin ƙirar aikace-aikace.

• Lambar Bin K:4 zuwa 6 mW/sr
• Lambar Bin L:5 zuwa 7.5 mW/sr
• Lambar Bin M:6 zuwa 9 mW/sr
• Lambar Bin N:7 zuwa 10.5 mW/sr

5. Madaidaicin Lankwalan Aiki

Lankwalan masu zuwa suna kwatanta halayen na'urar a ƙarƙashin yanayi daban-daban, suna ba da zurfin fahimta don ƙirar da'ira.

5.1 Rarraba Bakan

Lankwalan fitarwa na bakan yana nuna ƙarfin hasken rana mai alaƙa a cikin tsayin zango, wanda ya ta'allaka ne a kusa da kololuwar 940nm tare da rabin faɗi na al'ada na 50nm, yana ayyana tsaftar bakan hasken infrared.

5.2 Halin Gaba vs. Ƙarfin Lantarki na Gaba

Wannan lankwalan IV yana kwatanta alaƙar da ke tsakanin halin gaba da aka yi amfani da shi da sakamakon faɗuwar ƙarfin lantarki a cikin na'urar, wanda yake da mahimmanci don tantance ƙarfin lantarki da ake buƙata da kuma rushewar wutar lantarki.

5.3 Halin Gaba vs. Yanayin Yanayi

Wannan jadawalin yana nuna matsakaicin halin gaba na ci gaba da aka halatta yana raguwa yayin da zafin muhalli ke ƙaruwa, wanda yake da mahimmanci ga sarrafa zafi da amincin aiki.

5.4 Ƙarfin Hasken Rana Mai Alaƙa vs. Halin Gaba

Yana kwatanta yadda ƙarfin fitarwa na gani ke ƙaruwa tare da ƙaruwar halin tuƙi, yana taimakawa wajen inganta saitin halin yanzu don haske/ƙarfin da ake so.

5.5 Ƙarfin Hasken Rana Mai Alaƙa vs. Yanayin Yanayi

Yana nuna raguwar fitarwa na gani na al'ada yayin da zafin haɗin gwiwa ya tashi, wanda shine babban abin la'akari ga aikace-aikacen da ke aiki a cikin yanayin zafi daban-daban.

5.6 Zanen Tsarin Radiation

Zanen polar wanda ke wakiltar rarraba kusurwar fitar da radiation infrared, wanda ke da halayen kusurwar dubawa na al'ada na digiri 25. Wannan yana ayyana mazugi na fitarwa kuma yana da mahimmanci don daidaita mai fitarwa tare da mai gano.

6. Bayanin Injiniya da Marufi

6.1 Tsarin Kafet ɗin Siyar da Shawara

An ba da ƙayyadaddun girmen ƙirar ƙasan PCB don tabbatar da ingantaccen samuwar haɗin siyarwa, kwanciyar hankali na injiniya, da kuma sauƙin zafi yayin aikin reflow.

6.2 Girman Marufi na Tef da Reel

Cikakkun zane-zane suna ƙayyade girmen tef ɗin ɗaukar kaya, tazarar aljihu, da ƙayyadaddun reel waɗanda suka dace da daidaitattun kayan aikin haɗin SMD.

• Diamita na reel: inci 7.
• Adadin kowane reel: guda 1500.
• Marufi ya yi daidai da ƙayyadaddun ANSI/EIA 481-1-A-1994.

7. Jagororin Haɗawa da Sarrafawa

7.1 Yanayin Ajiya

Saboda matakin hancin danshi (MSL) 3, dole ne a bi takamaiman ƙa'idodin ajiya. Fakitin da ba a buɗe ba, da aka rufe masana'anta tare da busassun abu, yakamata a ajiye su a ƙasa da 30°C da 90% RH kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe, yakamata a ajiye sassan a ƙasa da 30°C da 60% RH kuma a yi reflow a cikin mako guda. Tsawaita ajiya a waje da jakar asali yana buƙatar akwatin bushewa ko akwati mai rufi tare da busassun abu. Sassan da aka ajiye sama da mako guda yakamata a gasa su a kusan 60°C na aƙalla sa'o'i 20 kafin siyarwa don hana lalacewar \"popcorning\".

7.2 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan siyarwa, kawai yakamata a yi amfani da kaushi na tushen barasa kamar isopropyl alcohol (IPA). Dole ne a guji tsaftataccen sinadarai masu tsauri ko masu ƙarfi.

7.3 Shawarwarin Siyarwa

Na'urar ta dace da siyar da infrared reflow. Ana ba da shawarar yanayin zafi mai dacewa da JEDEC.

• Siyar da Reflow:Matsakaicin zafin kololuwa na 260°C na matsakaicin dakika 10 (matsakaicin zagaye biyu na reflow).
• Siyar da Hannu (Ƙarfe):Matsakaicin zafin ƙarshen na 300°C na matsakaicin dakika 3 a kowane kafet.

Yakamata a siffanta ainihin bayanin martaba don takamaiman ƙirar PCB, man siyarwa, da tanda da aka yi amfani da su.

7.4 Ƙirar Da'irar Tuƙi

Kamar yadda diode mai fitar da infrared (IRED) na'urar ce da aka tuƙa ta halin yanzu, dole ne a samar da resistor mai iyakance halin yanzu a jere don ingantaccen aiki. Ƙirar da'irar da aka ba da shawarar (Da'ira A) tana sanya resistor ɗaya a jere tare da kowane IRED, ko da lokacin da aka haɗa na'urori da yawa a layi daya zuwa tushen ƙarfin lantarki. Wannan yana tabbatar da rarraba halin yanzu daidai gwargwado da kuma daidaitaccen ƙarfin hasken rana a duk na'urorin, yana hana bambance-bambancen haske waɗanda zasu iya faruwa a cikin haɗin layi mai sauƙi ba tare da resistors ɗaya ɗaya ba (Da'ira B).

8. Bayanan Aikace-aikace da Abubuwan Ƙira

8.1 Yanayin Aikace-aikace na Al'ada

An ƙera wannan ɓangaren don aikace-aikacen infrared na gabaɗaya. Tsawon zango na 940nm yana da kyau don tsarin sarrafa nesa saboda yawan watsawa ta cikin filastik da yawa da ƙarancin gani. Hakanan ya dace don hanyoyin haɗin bayanai na ɗan gajeren zango, gano abu, da gano kusanci a cikin kayan lantarki na mabukaci, kayan aikin ofis, da sarrafawa na asali na masana'antu.

8.2 Abubuwan Ƙira

• Daidaituwar Hasken Gani:Kusurwar dubawa na digiri 25 tana buƙatar daidaitawar injiniya a tsakanin mai fitarwa da mai gano mai dacewa (misali, phototransistor ko photodiode) don mafi kyawun ƙarfin siginar.
• Saitin Halin Yanzu:Yi aiki a ko ƙasa da shawarar halin gaba na DC na 20mA don gwada mahimman sigogi. Yi amfani da lankwalan aiki don zaɓar halin yanzu da ya dace don ƙarfin hasken rana da ake buƙata yayin la'akari da rushewar wutar lantarki da tasirin zafi.
• Kariya daga Hasken Muhalli:
• Lokacin da aka yi amfani da shi azaman ɓangaren tsarin gano, yi la'akari da amfani da siginonin infrared da aka daidaita da masu gano da aka tace don ƙin tsangwama daga tushen hasken muhalli kamar hasken rana ko kwan fitila.
• Gudanar da Zafi:Tabbatar cewa shimfidar PCB tana ba da isasshen sauƙin zafi, musamman idan ana aiki kusa da matsakaicin ƙima ko a cikin yanayin zafi mai girma, don kiyaye amincin aiki na dogon lokaci.

8.3 Ka'idar Aiki

Na'urar tana aiki azaman diode mai fitar da haske na infrared (LED). Lokacin da aka yi amfani da ƙarfin lantarki na gaba (V_F) wanda ya wuce ƙarfinsa na gaba, electrons da ramuka suna sake haɗuwa a cikin haɗin gwiwar semiconductor, suna sakin makamashi a cikin nau'in photons. An zaɓi takamaiman kayan semiconductor (misali, GaAs) don samar da photons a cikin bakan infrared (940nm), wanda idon ɗan adam ba zai iya gani ba amma ana iya gano shi ta hanyar masu gano haske na tushen silicon.

9. Tambayoyin da ake yawan yi (Dangane da Sigogin Fasaha)

9.1 Menene bambanci tsakanin Ƙarfin Hasken Rana da Ƙarfin Hasken Gani?

Ƙarfin Hasken Rana (wanda aka auna a cikin mW/sr) shine ƙarfin hasken gani da ake fitarwa a kowane kusurwa mai ƙarfi a cikin bakan infrared. Ƙarfin Hasken Gani (wanda aka auna a cikin candela) yana da nauyi ta hanyar hankalin idon ɗan adam kuma bai dace da wannan tushen infrared da ba a iya gani ba.

9.2 Shin zan iya tuƙa wannan IRED kai tsaye daga filin GPIO na microcontroller?

A'a. Filin microcontroller yawanci ba zai iya samar da 20mA cikin aminci ba kuma ba shi da ƙa'idar halin yanzu. Koyaushe yi amfani da da'irar tuƙi (kamar transistor) tare da resistor mai iyakance halin yanzu a jere kamar yadda aka nuna a cikin bayanin bayanai don samar da halin yanzu mai tsayi, sarrafawa ga IRED.

9.3 Me ya sa yanayin ajiya ya ke da takamaiman (MSL 3)?

Marufin filastik na iya ɗaukar danshi daga iska. A lokacin babban zafin jiki na siyar da reflow, wannan danshin da aka kama zai iya yin tururi da sauri, yana haifar da matsa lamba a ciki kuma yana iya haifar da ɓarkewa ko tsage-tsage (\"popcorning\"). Ƙimar MSL da umarnin gasa suna hana wannan yanayin gazawa.

9.4 Ta yaya zan zaɓi daidai ƙimar resistor na jere?

Yi amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Misali, tare da wadata na 5V, V_Fna al'ada na 1.2V, da kuma I_Fda ake so na 20mA: R = (5 - 1.2) / 0.02 = 190 Ohms. Zaɓi mafi kusancin ƙimar resistor na al'ada, la'akari da ƙimar wutar lantarki (P = I²R).