EL817H-G Jerin Takardar Bayanin Fotokopula - Kunshin DIP Mai Filaye 4 - Keɓewa 5000Vrms - CTR 50-400% - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Jerin EL817H-G yana wakiltar iyali na ƙananan, manyan ayyuka na fotokopulolin fototransista (optocouplers) da aka tsara don ingantaccen keɓewar sigina da watsawa tsakanin da'irori na yuwuwar daban-daban. Kowane na'ura ya haɗa diode mai fitar da infrared wanda aka haɗa ta hanyar gani zuwa na'urar gano fototransista na silicon, wanda aka sanya a cikin daidaitaccen Kunshin Dual In-line (DIP) mai filaye 4. Jerin yana da siffa ta babban ikon keɓewa, faɗin kewayon zafin aiki, da bin ƙa'idodin muhalli da aminci masu tsauri, wanda ya sa ya dace da aikace-aikacen masana'antu da na mabukaci.

1.1 Fa'idodi na Asali da Kasuwar Manufa

Babban fa'idodin jerin EL817H-G sun haɗa da babban ƙarfin keɓewa na 5000V_rms, wanda ke tabbatar da ingantaccen kariya daga sauye-sauyen ƙarfin lantarki da amo. Na'urorin ba su da halogen, suna bin ƙa'idodin muhalli masu tsauri (Br < 900ppm, Cl < 900ppm, Br+Cl < 1500ppm). Tare da faɗin kewayon Rukunin Canja wurin Halin yanzu (CTR) daga 50% zuwa 400% da kewayon zafin aiki na -55°C zuwa +125°C, waɗannan fotokopulolin suna ba da sassauƙan ƙira da aminci a cikin yanayi masu tsauri. Kasuwannin manufa sun haɗa da sarrafa kai (Masu Gudanar da Manufa), kayan aikin sadarwa, na'urorin tsarin, kayan aikin ma'auni, da kayan amfani na gida iri-iri kamar na'urorin dumama fan, inda amintaccen watsa sigina ke da mahimmanci.

2. Zurfin Binciken Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bincike na haƙiƙa da cikakkun bayanai game da halayen lantarki, na gani, da na zafi na na'urar kamar yadda aka ayyana a cikin takardar bayanan.

2.1 Matsakaicin Matsakaicin Matsakaici

Matsalolin da suka wuce waɗannan iyakoki na iya haifar da lalacewa na dindindin. Manyan ƙididdiga sun haɗa da: Halin yanzu na Gaba (I_F) na 50mA, Matsakaicin Halin yanzu na Gaba (I_FP) na 1A na bugun jini na 1µs, Ƙarfin lantarki na Mai Tattara-Mai fitarwa (V_CEO) na 80V, da Jimlar Ragewar Wutar lantarki (P_TOT) na 200mW. Na'urar na iya jure Ƙarfin lantarki na Keɓewa (V_ISO) na 5000V_rmsna minti 1 a ƙarƙashin ƙayyadaddun yanayin zafi. Matsakaicin zafin gishiri shine 260°C na dakika 10.

2.2 Halayen Lantarki-Gani

An ƙayyade cikakkun ma'auni na aiki a T_a=25°C. Diode na shigarwa yana da Matsakaicin Ƙarfin lantarki na Gaba (V_F) na 1.2V a I_F=10mA. Halin yanzu na duhu na Mai Tattara-Mai fitarwa na fototransista na fitarwa (I_CEO) shine matsakaicin 200nA a V_CE=48V. Babban ma'aunin canja wuri, Rukunin Canja wurin Halin yanzu (CTR), an ayyana shi azaman rabo na halin yanzu na mai tattara fitarwa zuwa halin yanzu na gaba na shigarwa. An ba da jerin EL817H-G a cikin nau'ikan CTR da yawa: EL817H (50-400%), EL817HA (80-160%), EL817HB (130-260%), da EL817HC (200-400%), duk an auna su a I_F=5mA, V_CE=5V. An siffanta aikin sauyawa ta Hanyar Tashi (t_r) da Hanyar Faɗuwa (t_f) na 6µs da 8µs na al'ada, bi da bi, a ƙarƙashin takamaiman yanayin gwaji (V_CE=2V, I_C=2mA, R_L=100Ω).

3. Bayanin Tsarin Rarraba

Babban rarrabuwar wannan jerin fotokopula ya dogara ne akan Rukunin Canja wurin Halin yanzu (CTR). Wannan ma'auni yana da mahimmanci don ƙira saboda yana ƙayyade ribar halin yanzu na matakin keɓewa. Dole ne masu ƙira su zaɓi madaidaicin mataki (H, HA, HB, HC) dangane da buƙatun hankali da matakin halin yanzu na fitarwa da ake so don wani halin yanzu na shigarwa. Wannan rarrabuwar yana tabbatar da daidaitaccen aiki a cikin ƙayyadaddun iyakoki don buƙatun aikace-aikace daban-daban, daga keɓewa na gabaɗaya (faɗin kewayon CTR) zuwa da'irori masu buƙatar ƙa'idodin riba masu tsauri.

4. Binciken Lanƙwan Aiki

Takardar bayanan tana nuni zuwa lanƙwan halayen lantarki-gani na al'ada. Duk da yake ba a sake yin takamaiman zane-zane a cikin rubutun da aka bayar, irin waɗannan lanƙwan yawanci suna kwatanta alaƙa tsakanin CTR da halin yanzu na gaba (I_F) a yanayin zafi daban-daban, dogaro da ƙarfin lantarki na gaba (V_F) akan I_F, da ƙarfin lantarki na jikewa (V_CE(sat)) daidai da halin yanzu na mai tattara (I_C). Waɗannan lanƙwan suna da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba, kamar babban zafi ko sauye-sauyen halin yanzu na tuƙi, wanda ke ba masu ƙira damar inganta aikin da'ira da tabbatar da aminci a duk faɗin kewayon aiki.

5. Bayanin Injiniya da Kunshi

EL817H-G yana samuwa a cikin nau'ikan kunshin DIP mai filaye 4 da yawa don dacewa da hanyoyin haɗawa daban-daban.

5.1 Tsarin Fil da Nau'ikan Kunshi

Daidaitaccen fitar fil shine: Fil 1 (Anode), Fil 2 (Cathode), Fil 3 (Mai fitarwa), Fil 4 (Mai tattara). Zaɓuɓɓukan kunshi sun haɗa da:Daidaitaccen DIP(ta hanyar rami),Zaɓi M(Faɗin lanƙwasa mai tazara 0.4-inch/10.16mm don ƙara tazara),Zaɓi S1(Siffar fil na hawa saman, ƙananan bayyanar, don tef da reel), daZaɓi S2(Siffar fil na hawa saman, ƙananan bayyanar, tare da girma na jiki daban-daban don tef da reel). An ba da cikakkun zane-zane masu girma don kowane nau'i a cikin takardar bayanan, suna ƙayyade ma'auni masu mahimmanci kamar girman jiki, faɗin fil, tazarar fil, da tsayin tsayawa.

5.2 Tsarin Pad da Polarity

Ga zaɓuɓɓukan hawa saman (S1 da S2), takardar bayanan ta haɗa da zane-zanen tsarin pad da aka ba da shawarar. Waɗannan zane-zane suna ba da shawarar girma na tsarin ƙasa don ƙirar PCB don tabbatar da ingantaccen gishiri da kwanciyar hankali na injiniya. Alamar na'urar yawanci tana haɗa da lambar lambar sashi da yuwuwar mai gano yawa. Kunshin yana da tsaga ko digo kusa da fil 1 don daidaitaccen alkiblar polarity yayin haɗawa.

6. Jagororin Gishiri da Haɗawa

Matsakaicin ƙididdiga na matsakaici ya ƙayyade zafin gishiri na 260°C na dakika 10. Don gishiri na igiyar ruwa ko sake kwarara, yakamata a bi daidaitattun bayanan martaba don kunshuna masu fil, tare da tabbatar da cewa matsakaicin zafin jiki da lokacin da ya wuce ruwa ba su wuce iyakokin na'urar ba. Ga bambance-bambancen hawa saman, daidaitaccen bayanin martabar sake kwarara na infrared ko convection ya dace. Yana da mahimmanci a guje wa matsin lamba na injiniya mai yawa akan fil da jikin epoxy. Yakamata a adana na'urori a cikin yanayi a cikin kewayon zafin ajiya na -55°C zuwa 150°C kuma a cikin kunshin mai hankali ga danshi idan ya dace.

7. Bayanin Kunshi da Oda

Lambar sashi tana bin tsari: EL817HX(Y)(Z)-VG. Inda: H ke nufin aiki mai zafi, X shine siffar fil (S1, S2, M, ko babu don daidaitaccen), Y shine matsayin CTR (A, B, C, ko babu don matakin H na asali), Z shine zaɓin tef da reel (TU, TD, ko babu), V yana nuna amincewar aminci na VDE (zaɓi), kuma G yana nuna halogen-free. Adadin kunshi ya bambanta: raka'a 100 a kowace bututu don zaɓuɓɓukan ta hanyar rami, da raka'a 1500 ko 2000 a kowace reel don zaɓuɓɓukan tef & reel na S1 da S2, bi da bi.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikace na Al'ada

EL817H-G ya dace da:Keɓewar Sigina a cikin Modules na PLC I/O:Keɓe siginar lambobi tsakanin gefen dabaru na ƙananan ƙarfin lantarki da gefen fili mafi girma.Katunan Mu'amalar Layin Sadarwa:Samar da keɓewar galvanic don sigina ko layukan sarrafawa.Madaukai na Amfanin Wutar lantarki:Keɓe siginar amsawa daga gefen biyu zuwa mai sarrafa gefen farko a cikin masu ba da wutar lantarki na sauyawa (SMPS).Sarrafa Kayan Aiki:Keɓe masu sarrafa microcontroller na musanya mai amfani daga masu tuƙi na triac ko relay masu amfani da wutar lantarki a cikin na'urori kamar na'urorin dumama.

8.2 Abubuwan La'akari da Ƙira

Resistan Ƙuntatawa Halin yanzu:Dole ne a haɗa resistor na waje a jere tare da LED na shigarwa don saita halin yanzu na gaba (I_F), yawanci tsakanin 5mA zuwa 20mA don mafi kyawun CTR da sauri.Resistan Load:Mai tattara fitarwa yana buƙatar resistor na ja sama (R_L) zuwa V_CCdon ayyana matakan dabaru na fitarwa da saurin sauyawa. Ƙananan R_Lyana ba da saurin sauyawa amma yana da ƙarin amfani da wutar lantarki.Lalacewar CTR:CTR na iya raguwa bayan lokaci, musamman a manyan yanayin aiki masu zafi da halin yanzu. Yakamata ƙirar ta haɗa da gefe (misali, 20-30%) don tabbatar da aikin da'ira a tsawon rayuwar samfurin.Kariya daga Amo:Don wurare masu amo, ana ba da shawarar capacitors na bypass kusa da na'urar da kuma daidaitaccen shimfidar PCB (rage yankunan madauki).

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da na'urorin fotokopula na asali, jerin EL817H-G sun bambanta kansu dababban ƙarfin keɓewa (5000Vrms)danisa mai tsinkaya > 7.62mm, waɗanda ke da mahimmanci don ƙirar da aka amince da aminci a cikin kayan aikin da aka haɗa da wutar lantarki. Gininhalogen-freeyana magance ƙa'idodin muhalli kamar RoHS da REACH cikakke. Samuwarmatakan CTR da yawadazaɓuɓɓukan kunshi (DIP da SMD)yana ba da mafi girman sassauƙan ƙira fiye da sassan bambance-bambance guda ɗaya. Amincewar aminci gabaɗaya (UL, cUL, VDE, SEMKO, NEMKO, DEMKO, FIMKO, CQC) suna daidaita tsarin takaddun shaida don samfuran ƙarshe da ke niyyar kasuwanni na duniya.

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

Q1: Menene manufar matakan CTR daban-daban (A, B, C)?

A1: Suna ba masu ƙira damar zaɓar na'ura tare da ƙayyadaddun kewayon CTR wanda ya dace da buƙatun hankali na da'irar su. Ƙaƙƙarfan kewayon (kamar HA, HB, HC) yana tabbatar da mafi daidaitaccen riba daga raka'a zuwa raka'a, wanda ke da mahimmanci don watsa siginar analog ko da'irori tare da matakan bakin kofa masu daidaito.

Q2: Zan iya amfani da wannan fotokopula don tuƙa relay kai tsaye?

A2: A'a, ba kai tsaye ba. Matsakaicin halin yanzu na mai tattara (I_C) shine 50mA, kuma ƙarfin lantarki na jikewa zai iya kaiwa 0.35V. Yawancin relay suna buƙatar ƙarin halin yanzu. Yakamata a yi amfani da fitarwa na fototransista don tuƙa transistor na biyu ko ƙofar MOSFET don sauyawa mafi girma na halin yanzu.

Q3: Ta yaya zan zaɓi tsakanin Daidaitaccen DIP da zaɓuɓɓukan SMD?

A3: Zaɓin ya dogara da tsarin haɗawar ku. Daidaitaccen DIP shine don haɗa PCB ta hanyar rami. Zaɓuɓɓukan S1 da S2 suna don haɗawa ta hawa saman, wanda shine daidaitaccen don sarrafa kai, samarwa mai yawa. Zaɓi M (faɗin fil) wani bambance ne na hanyar rami wanda ke ba da ƙarin nisa mai tsinkaya don ingantaccen aminci na babban ƙarfin lantarki.

Q4: Menene ma'anar suffix "-G" a cikin lambar sashi?

A4: Suffix "-G" yana nuna cewa an ƙera na'urar tare da kayan da ba su da halogen, suna bin takamaiman iyakoki don abun ciki na bromine (Br) da chlorine (Cl).

11. Misalai na Ƙira da Amfani na Aiki

Misali 1: Keɓewar Shigarwar Lambobi don Microcontroller.Fotokopula na iya haɗa siginar firikwensin masana'antu na 24V zuwa GPIO na microcontroller na 3.3V. Fitarwa na firikwensin yana tuƙi LED ta hanyar resistor mai ƙuntata halin yanzu. An haɗa mai tattara fototransista zuwa fil na microcontroller (tare da kunna ja sama na ciki) da V_CC(3.3V). An kafa mai fitarwa. Wannan yana ba da cikakkiyar keɓewar galvanic, yana kare MCU daga ƙyallen ƙarfin lantarki akan layin firikwensin.

Misali 2: Amsa a cikin Mai Ba da Wutar lantarki na Flyback.Na'urar haɓaka kuskure a gefen biyu yana tuƙi LED na EL817H. Fototransista a gefen farko yana daidaita tsarin aiki na mai sarrafa PWM. Keɓewar 5000V_rmsyana da mahimmanci a nan don cika ƙa'idodin aminci don shingen keɓewa tsakanin gefen farko (wutar lantarki) da gefen biyu (ƙananan ƙarfin lantarki).

12. Ka'idar Aiki

Fotokopula, ko optocoupler, na'ura ce da ke canja siginar lantarki tsakanin da'irori biyu masu keɓewa ta amfani da haske. A cikin EL817H-G, halin yanzu na lantarki da aka yi amfani da shi zuwa filayen shigarwa (1 da 2) yana sa Diode mai fitar da haske na infrared (LED) ya fitar da haske. Wannan hasken yana tafiya a kan tazarar keɓewa mai gani (yawanci an yi shi da siminti) kuma ya bugi yankin tushe na fototransista na silicon (filaye 3 da 4). Hasken da ya faru yana haifar da nau'ikan rami na lantarki a cikin tushe, yana aiki da kyau azaman halin yanzu na tushe, wanda ke ba da damar mafi girma halin yanzu na mai tattara-mai fitarwa ya gudana. Babban abin lura shine cewa haɗin kawai tsakanin shigarwa da fitarwa shine na gani, yana ba da ingantaccen keɓewar lantarki wanda aka ƙaddara ta hanyar kayan da nisa na tazarar.

13. Trends na Fasaha

Trend a fasahar fotokopula yana zuwa ga haɗin kai mafi girma, sauri mafi sauri, da ƙarancin amfani da wutar lantarki. Duk da yake masu haɗawa na tushen fototransista kamar EL817H-G suna ba da kyakkyawan aiki na gabaɗaya da babban rabon canja wurin halin yanzu, sabbin fasahohi suna fitowa. Waɗannan sun haɗa daMasu Haɗin Gani na Lambobi Masu Sauritare da fitarwa na ƙofar dabaru da sauri a cikin kewayon Mbps,Masu Tuƙin Ƙofar IGBT/MOSFET Optocouplerstare da haɗaɗɗun matakan fitarwa masu yawan halin yanzu, daMasu Haɓaka Keɓewar Analogwaɗanda ke ba da ingantaccen watsa siginar layi. Bugu da ƙari, akwai ci gaba da turawa don ƙananan ƙira (ƙananan kunshunan SMD), ingantaccen aminci (tsawon rayuwa a manyan yanayin zafi), da faɗaɗa bin ƙa'idodin muhalli da aminci na duniya masu tasowa.