3500/44M Aero-Derivative Gas Turbine Vibration Monitor babban aiki ne, tsarin sa ido na tashoshi huɗu a cikin Tsarin Kula da Yanayin Injin na Benly Nevada 3500, musamman wanda aka ƙera don aikace-aikacen turbine na iskar gas. Ana amfani da waɗannan na'urori masu amfani da iskar gas sosai a cikin samar da wutar lantarki, mai da iskar gas, da motsin ruwa, waɗanda ke da saurin jujjuyawa, sauye-sauyen aiki akai-akai, da sifofin girgizar ƙasa masu rikitarwa. An haɓaka 3500/44M daidai don biyan waɗannan buƙatun sa ido masu buƙata.
Babban aikin mai saka idanu shine samar da ci gaba, ingantaccen kariyar injuna ta hanyar kwatanta sigogin da aka sa ido akai-akai akan saitunan ƙararrawa mai shirye-shirye don fitar da ƙararrawa, yayin da lokaci guda ke isar da mahimman bayanan injin zuwa ayyuka da ma'aikatan kulawa. Yana haɗi zuwa na'urori masu auna saurin Velomitor na Benly Nevada, accelerometers, da madaidaitan ƙirar ƙirar ta hanyar keɓaɓɓen kayan aikin Aero GT I/O ko na'urorin Prox/Velom I/O, suna samar da cikakkiyar sarkar sa ido na girgiza.
Fitaccen fasalin 3500/44M shine keɓantacce na musamman da ƙarfin sarrafa sigina. Yana goyan bayan zaɓuɓɓukan tacewa daban-daban ciki har da haɗin siginar sigina, tacewa na 1X na'ura mai ba da hanya tsakanin hanyoyin sadarwa, da rawar bandpass, kuma yana iya karɓar siginar Keyphasor masu zaman kansu guda biyu, ba da damar kowane tashoshi biyu don amfani da tushen tacewa daban-daban, yana ba da babban sassauci don sa ido kan hadaddun tsarin rotor da yawa.
2. Mahimman siffofi da Ƙa'idodin Aiki dalla-dalla
2.1 Muhimmiyar Aiki: Kulawa da Hankali don Yanayin Aiki Mai Sauƙi
Babban darajar 3500/44M ya ta'allaka ne a cikin ikonsa na daidaitawa da saurin canza yanayin aiki na injin turbin iskar gas da kuma samar da ma'aunin girgizawa da kariya. Tsarin aikinsa da ayyukan ci-gaba sune kamar haka:
Shigar da Siginar Sensor da yawa: Tsarin na iya karɓar sigina daga tashoshi 1 zuwa 4, waɗanda suka samo asali daga:
Na'urori masu saurin gudu da na'urori masu accelerometers da aka haɗa ta hanyar kayan aikin mu'amala.
An inganta ƙarfin shigarwar sa don nau'ikan I / O daban-daban: fiye da 95 kΩ don samfuran Aero GT I / O, da 10 kΩ don abubuwan Proximitor/Acceleration / 3.5 MΩ don Velomitor akan samfuran Prox/Velom I/O, yana tabbatar da daidaiton sigina.
Fuskokin bangon gaba da abubuwan fitarwa:
Kowane tashoshi yana ba da mai haɗawa mai haɗawa da Buffered Transducer Output coaxial connector, tare da gajeriyar kariyar kewayawa da ƙarancin fitarwa na 550 Ω, mai amfani don haɗa kayan aikin bincike don bincike mai zurfi.
Module ɗin yana ba da 23 Vdc na ƙirƙira ƙarfin kuzari don na'urori masu auna firikwensin.
Kowane tashoshi yana ba da fitarwa mai rikodin 4-20 mA mai zaman kansa don haɗi zuwa DCS ko masu rikodi, daidai da cikakken sikelin mai saka idanu, da gajerun wando na fitarwa ba su shafar aikin saka idanu na yau da kullun.
Maɗaukakin Siginar Siginar Maɗaukaki: Yawan wutar lantarki na ƙirar shine 7.7 Watts. A +25 ° C, daidaitattun ma'aunin sa yawanci ± 0.33% na cikakken ma'auni, tare da matsakaicin ± 1% na cikakken sikelin, yana ba da tabbacin bayanai don takamaiman bincike na kayan aiki mai sauri.
2.2 Maɓallin Ayyukan Sa ido: Ka'idodin Aiki da Ƙirƙirar Fasaha
a) Multi-Mode Channels da Ƙararrawa Gudanarwa
Wannan shine ainihin fasaha na 3500/44M don jurewa da yanayin aiki daban-daban na injin turbin gas (misali, ƙonewa, haɓakawa, cikakken kaya, raguwa).
Ƙa'ida: Masu amfani za su iya saita sigogin ƙararrawa masu zaman kansu har zuwa takwas don kowane tashoshi. Kowane saitin sigina ya haɗa da faɗakarwa da wuraren saiti mai haɗari da jinkirin lokacin ƙararrawa. Ana iya haɗa kowane saiti da takamaiman yanayin aiki na inji (misali, 'Ragowa', 'Full Speed').
Sauyawa mai ƙarfi: Lokacin da yanayin aikin injin ya canza, mai saka idanu na iya canzawa ta atomatik zuwa ma'aunin ƙararrawa da aka saita ta hanyoyi biyu:
Ta hanyar siginar busasshen lamba na waje akan Multimode I/O modules.
Ta hanyar umarnin software da aka bayar ta hanyar hanyar sadarwa (misali, 3500/22M TDI).
Ƙimar: Wannan aikin yana tabbatar da cewa ƙofofin ƙararrawa koyaushe suna dacewa da yanayin aiki na yanzu a duk lokacin farawa/kashewa da ƙarƙashin kaya daban-daban. Misali, lokacin da na'ura ta wuce cikin gaggawa mai mahimmanci, ana iya ƙara jinkirin ƙararrawa na ɗan lokaci ko kuma an sassauta ƙofa don hana tafiye-tafiyen karya; yayin da yake ƙarƙashin aiki mai ƙarfi, ana iya amfani da saitunan kariya masu tsauri. Wannan yana haɓaka hankali da amincin kariya sosai.
b) Shigar da Maɓalli na Maɓalli Biyu da Filters
Ƙa'ida: 3500/44M yana ba da damar haɗin siginar Maɓalli masu zaman kansu guda biyu. Wannan yana ba tashoshi 1 da 2 damar bin diddigin saurin rotor ɗaya (misali, rotor mai ƙarfi), yayin da tashoshi 3 da 4 suna bin saurin wani na'ura mai juyi (misali, rotor mai ƙarancin ƙarfi). Wannan yana da mahimmanci ga injin turbin iskar gas na dual-spool.
Tacewar Bibiya: Mai saka idanu yana samar da tace mai aiki mai girma tare da kewayon saurin aiki mai fa'ida daga 60 zuwa 240,000 cpm, yana rufe dukkan kewayon injin turbin gas daga farawa zuwa matsakaicin gudu.
Masu amfani za su iya zaɓar ɗaya daga 22 ƙayyadaddun saurin aiki na yau da kullun (2400 zuwa 18,000 RPM) kuma zaɓi bandwidth na 3 Hz ko 5 Hz ta hanyar software na daidaitawa.
Tace tana amfani da ƙirar sandar sandar sandar 6, tana ba da juzu'i mai tsauri na 120 dB/shekaru, yana ba da damar keɓance madaidaicin ɓangarorin saurin gudu (1X), yana murkushe hayaniya da tsangwama mara daidaituwa.
Wannan daidaitaccen cirewar ɓangaren 1X yana da mahimmanci don sa ido kan kurakurai kamar rashin daidaituwa na rotor, rashin daidaituwa, da bakan zafi.
c) Zaɓuɓɓukan Tace Na Ci gaba da Gudanar da Sigina
3500/44M yana goyan bayan yanayin sarrafa sigina da yawa; masu amfani za su iya saita tashoshi azaman Aeroderivative, Aeroderivative2, ko Multimode Aeroderivative iri.
Filters Bandpass:
A cikin yanayin Aeroderivative, yana ba da madaidaiciyar madaidaiciyar wucewa (25, 75, ko 100 Hz) da ƙarancin wucewa (200 Hz) matattar bandpass, ta amfani da ƙirar sandar igiya 10 tare da ƙimar jujjuyawa har zuwa 200 dB / shekaru goma, ƙirƙirar fasfo mai kaifi sosai don keɓance rawar jiki a cikin ƙayyadaddun igiyoyin mitar mitar (misali, mai alaƙa da structances).
A cikin Aeroderivative2 da Multimode halaye, babban-wucewa da ƙananan ƙarancin yankewa na matatar bandpass na iya daidaitawa ta mai amfani a cikin wani takamaiman kewayon (High-pass: 10-1000 Hz, Low-pass: 100-5500 Hz), ta amfani da 8-pole adaptation (160 dB/ability mafi girma)
Gudanar da Haɗin Sigina: Tsarin na iya haɗa siginar hanzari ta lambobi don canza su zuwa saurin gudu, ko haɗawa/ bambanta siginar saurin gudu don samun ƙaura. Wannan yana bawa masu amfani damar zaɓar mafi dacewa sigin girgiza (hanzari, gudu, ko ƙaura) don saka idanu da ban tsoro dangane da buƙata, saduwa da ƙa'idodin bincike daban-daban da zaɓin injiniya.
Bias Filter: A cikin Aeroderivative2 da Multimode halaye, ana ba da matattarar nuna son kai tare da mitar yankewa na 0.01 Hz don cire ƙarancin mitar DC daga siginar, yana tabbatar da daidaitaccen ma'aunin siginar girgiza AC.
2.3 Ma'aunin Ma'auni da Tsarin Ƙararrawa
Dangane da tsarin tashoshi, mai saka idanu na iya samar da Ma'auni Daban-daban:
Aeroderivative: Kai tsaye, 1X Amplitude, Bandpass.
Aeroderivative2: Kai tsaye, Bandpass, 1X Amplitude, 1X Lag.
Multimode Aeroderivative: Bugu da ƙari ga ƙimar da ke sama, yana ba da saiti na biyu na sigogi (misali, Direct-B, Bandpass-B, 1X Ampl-B) don saka idanu na kwatankwacin kowane yanayi.
Masu amfani za su iya saita ƙararrawa na faɗakarwa don kowane ƙima mai aiki kuma zaɓi kowane biyu daga cikinsu don ƙararrawa mai haɗari. Daidaiton wuraren saita ƙararrawa yana cikin ± 0.13% na ƙimar da ake so. Ana iya saita jinkirin ƙararrawa cikin sassauƙa: Jinkirin faɗakarwa daga daƙiƙa 1 zuwa 60 (a cikin tazarar daƙiƙa 1), jinkirin haɗari na iya zama daƙiƙa 0.1 ko daga daƙiƙa 1 zuwa 60 (a cikin tazara na daƙiƙa 1), yadda ya kamata yana hana faɗakar da ke haifar da rikice-rikice na wucin gadi.
3. Hardware Architecture da Kanfigareshan Zabuka
Tsarin Modular: Yana amfani da daidaitaccen tsarin gine-gine na 3500, wanda ya ƙunshi babban Module Main Monitor mai cikakken tsayi (241.3 mm x 24.4 mm x 241.8 mm) da I/O Module mai dacewa.
Zaɓin Module I/O mai sassauƙa:
Module na Aero GT I/O: An ƙirƙira ta musamman don haɗi tare da na'urorin dubawa na Velomitor da accelerometer.
Prox/Velom I/O Module: Yana goyan bayan haɗin kai tsaye na masu fassara kusanci da na'urori masu saurin gudu na Velomitor.
Multimode Prox/Velom I/O Module: Yana ƙara abubuwan shigar da tuntuɓar waje don sauyin yanayi da yawa zuwa aikin Prox/Velom.
Kowane nau'in tsarin I/O yana samuwa a cikin nau'ikan Ƙarshewar Ciki da Ƙarshewar Waje don dacewa da shimfidu na majalisar ministoci da ayyukan kulawa daban-daban.
4. Yarda da Dacewar Muhalli
3500/44M ya bi ka'idodin ƙasa da ƙasa da yawa, yana tabbatar da amfani da aminci a duk duniya:
Daidaitawar Electromagnetic: Ya dace da FCC Part 15 da Umarnin EMC (EN 61000-6-2, EN 61000-6-4).
Tsaron Wutar Lantarki: Ya bi ƙa'idodin ƙarancin ƙarfin wutar lantarki (EN 61010-1).
Muhalli: Yana bin umarnin RoHS.
Takaddun shaida na Maritime: Yana riƙe DNV GL da takaddun shaida na jama'a na ABS, wanda ya dace da jiragen ruwa da shigarwa na ketare.
Ƙimar Yanki Mai Haɗari: Lokacin da aka yi amfani da su tare da Modules I/O tare da Barriers na ciki, zai iya samun cNRTLus, ATEX, IECEx, da dai sauransu, takaddun shaida don amfani a cikin Class I, Division 2 / Zone 2 wurare masu haɗari.
Iyakokin Muhalli: Faɗin zafin jiki mai aiki: -30°C zuwa +65°C tare da daidaitattun I/O modules, da 0°C zuwa +65°C lokacin da aka yi amfani da su tare da na'urorin Barrier I/O na ciki.
5. Yanayin aikace-aikace
3500/44M shine mafi kyawun zaɓi don aikace-aikacen masu zuwa:
Ƙarfin Ƙarfafawa: Injin iskar gas na Aero-derivative tuƙi masu jan wuta (misali, ƙira kamar LM2500, LM6000, Trent).
Oil & Gas: Raka'a injin turbin iskar gas don matsawa bututun bututu da masu tuƙi.
Jirgin Ruwa: Turbin iskar gas da ake amfani da su azaman babban motsa jiki ko ƙarfin taimako.
Duk wani yanayi na masana'antu mai buƙata da ke buƙatar babban sauri, saka idanu na yanayi mai yawa.
