Mai kula da Proximitor na 3500/40M babban aiki ne, kariyar injunan tashoshi huɗu da tsarin kulawa da yanayin da Baker Hughes ya haɓaka a ƙarƙashin alamar Benly Nevada, wanda aka keɓance musamman don Tsarin Kula da Injin 3500. Babban aikinsa shi ne karɓar sigina mai sauƙi daga masu juyawa na kusanci na Benly Nevada (kamar na'urori masu auna firikwensin yanzu), aiwatar da daidaitaccen yanayin sigina, lissafi, da bincike, kuma a ƙarshe canza su zuwa mahimman sigogi waɗanda ke nuna lafiyar injin, waɗanda ake ci gaba da kwatanta su da saitunan ƙararrawa na shirye-shiryen mai amfani don samun ci gaba da kariya da gano kuskuren farko don injuna masu mahimmanci.
Mai saka idanu ya shahara saboda sassauƙansa, babban daidaito, da babban abin dogaro. Masu amfani za su iya saita kowane tashoshi daban-daban ta hanyar 3500 Rack Configuration Software don yin ayyuka daban-daban na sa ido, gami da Radial Vibration, Eccentricity, REBAM (Duba Ayyukan Ayyukan Juya Hali), Matsayin Ƙarfafawa, da Fadada Daban-daban. An saita tsarin kuma ana sarrafa shi a cikin Channel Pairs; Tashoshi 1 da 2 sun samar da guda biyu, kuma Tashoshi 3 da 4 sun samar da wani nau'i biyu. Kowane tashoshi biyu na iya yin aikin sa ido ɗaya, yana ba da damar ƙirar 3500/40M guda ɗaya don tallafawa aikace-aikacen sa ido daban-daban guda biyu a lokaci guda.
2. Mahimman siffofi da Ƙa'idodin Aiki dalla-dalla
2.1 Babban Aiki: Ƙaƙwalwar Sigina da Ƙarfafa Siga
3500/40M ba mai maimaita sigina bane kawai; nagartaccen cibiyar sarrafa sigina ce. Babban aikin sa shine kamar haka:
Shigar da siginar siginar da Samar da Wutar Lantarki: Tsarin yana karɓar siginar wutar lantarki mai ɗanɗano na analog daga sama da masu fassara kusanci huɗu. A lokaci guda, gaban panel yana samar da mai haɗawa mai haɗawa ta Buffered Transducer Output coaxial ga kowane tashoshi, wanda ke da gajeriyar kariya, kuma yana iya samar da kusan ~ 24 Vac Transducer Power zuwa ikon masu kusanci kai tsaye, sauƙaƙe tsarin wayoyi.
Canjin Sigina da Tace: Danyen siginar shigarwa yana ƙunshe da ingantattun bayanai na inji amma kuma yana gauraye da surutu daban-daban. 3500/40M ya haɗa da na'ura mai sarrafa siginar Dijital mai ƙarfi da bankunan tace-tsara mai amfani don daidaita siginar daidai.
Ƙididdiga Masu Ƙididdiga: Ana amfani da sigina masu sharadi don ƙididdige sigogi daban-daban waɗanda aka sani da Static Values. Waɗannan dabi'u sune ma'aunin da ke nuna yanayin injin kuma suna samar da tushen yanke shawarar ƙararrawa. Dangane da tsarin tashoshi, ana haifar da ƙima daban-daban. Misali, tashar da aka saita don Radial Vibration na iya haifar da ƙima masu yawa da suka haɗa da Direct (Gap), 1X Amplitude, 1X Phase, 2X Amplitude, 2X Phase, Ba 1X Amplitude ba, da Smax Amplitude, yana kwatanta yanayin girgiza rotor daga girma dabam dabam.
Shawarar ƙararrawa da Fitarwa: Masu amfani za su iya saita saiti na faɗakarwa don kowace ƙima mai aiki kuma za su iya zaɓar kowane mafi mahimmancin ƙima guda biyu don saita saiti mai haɗari. Mai saka idanu yana ci gaba da kwatanta madaidaitan ƙididdiga na ainihin lokaci akan waɗannan wuraren saiti. Bayan wuce gona da iri, tsarin, dangane da daidaita ma'anar jinkirin ƙararrawa, yana haifar da fitowar ƙararrawa daidai, ƙararrawar waje ko tsarin rufewa ta hanyar na'urorin watsa shirye-shirye, don haka samun kariya ta injina.
2.2 Cikakken Ƙa'idodin Aiki don Kowane Ayyukan Sa Ido
a) Radial Vibration
Ƙa'ida: Yana auna ƙaurawar girgizar igiya dangane da mahalli mai ɗaukar hoto ta amfani da na'urori masu auna halin yanzu guda biyu masu hawa digiri 90. Wannan mahimmin siga ce don tantance ma'auni na rotor, daidaitawa, da kurakuran gogewa a matakin farko.
Sarrafa sigina:
Tace Kai tsaye: Mai amfani-mai shirye-shirye, yana ba da amsawar mitar mai faɗi daga 4 Hz zuwa 4000 Hz ko 1 Hz zuwa 600 Hz, yana ɗaukar matakin jijjiga gabaɗaya.
Tace Gap: Tace mai wucewa (~ 3 dB a 0.09 Hz) da ake amfani dashi don cirewa da saka idanu matsakaicin ƙarfin wutar lantarki (DC Gap) na transducer. Wannan irin ƙarfin lantarki yana da alaƙa kai tsaye zuwa matsakaicin matsayi na shaft a cikin maɗaukaki kuma ana iya amfani dashi don saka idanu a hankali matakai kamar canje-canje a cikin kauri na fim mai.
1X da 2X Vector Filters: Yi amfani da high-Q (Quality Factor) madaidaicin fil-fassara Q band-pass don daidai cire abubuwan haɓakar girgizawa tare da saurin gudu (1X) da saurin gudu sau biyu (2X). Kin amincewa da tsaikon su ya kai ~ 57.7 dB, yadda ya kamata ya keɓe tsangwama daga wasu mitoci, yana ba da damar ƙididdige ƙididdige girman girma da lokaci don daidaitawa mai ƙarfi da nazarin jeri.
Ba Tacewar 1X ba: Tacewar ƙima mai mahimmanci Q da aka yi amfani da ita don ƙin ɓangaren 1X, ta haka ne ke fitar da abubuwan da ba su daidaita ba (misali, girgizawar ƙasa, girgiza mai).
Fitar Smax: Yana gano ɓangaren mitar tare da matsakaicin girman a cikin kewayon mitar 0.125 zuwa sau 15.8 mai saurin gudu, yana taimakawa gano fitattun batutuwan girgizar da ba daidaitawa ba.
b) Matsayin Tufafi
Ƙa'ida: Yana amfani da ɗaya ko fiye da masu jujjuya kusanci don auna matsayin ƙwanƙwasa, sa ido kan motsin axial na na'ura mai juyi a cikin injin jujjuya (misali, injin tururi, compressors centrifugal) don hana hulɗa tsakanin impellers da abubuwan da ke tsaye.
Gudanar da Sigina: Da farko yana amfani da Tacewar Kai tsaye (~ 3 dB a 1.2 Hz) da Tacewar Gap (~ 3 dB a 0.41 Hz), yana mai da hankali kan canza canjin axial da matsakaita wutar lantarki.
c) Fadada Daban-daban
Ƙa'ida: Yana auna bambanci a haɓakar zafi tsakanin na'ura mai jujjuyawar injin da casing (bangaren tsaye). Mahimmanci ga manyan turbines da sauran kayan aiki tare da jinkirin farawa / matakan rufewa don hana rikice-rikice na ciki saboda faɗaɗa daban-daban.
Sarrafa sigina: Mai kama da Matsayin Ƙarfafawa, yana amfani da ƙananan mitoci Kai tsaye da Tacewar Tattalin Arziƙi don bin diddigin tsarin faɗaɗa jinkirin. Hankalin shigarsa yawanci ƙasa ne (0.394 mV/μm) don ɗaukar ma'aunin ƙaura mai girma.
d) Hakuri
Ƙa'ida: Yana auna bakan shaft (eccentricity na injiniya) ko lankwasawa na ɗan lokaci saboda rashin daidaituwar dumama (ƙarfin zafin jiki) a ƙananan gudu, musamman yayin aikin juyawa.
Sarrafa sigina: Yana amfani da Tacewar Kai tsaye (~ 3 dB a 15.6 Hz) da Tacewar Gap (~ 3 dB a 0.41 Hz) don ɗaukar tsayin daka ko jinkirin bakan shaft mai ƙarfi a ƙananan gudu.
e) REBAM (Sabbin Ayyukan Haɓakawa na Abubuwan Juya)
Ƙa'ida: An ƙirƙira ta musamman don sa ido kan lalacewar matakin farko a cikin jujjuyawar abubuwa. Yana gano lahani ta hanyar nazarin kuzarin girgizawa a kusa da mitoci na kuskure (misali, tseren mitar mitar ƙwallon ƙwallon ƙwallon ƙwallon ƙafa (BPFO), tseren Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙadda tọn ne na Ƙaƙa ) na Ƙaddamar Ɗaya Ɗaya da Ɗaya ne na Ƙarfafawa , ) .
Sarrafa sigina: Wannan shine ɗayan ingantattun hanyoyin sarrafawa, gami da keɓaɓɓen saitin tacewa:
Fitar Spike: Tacewar zaɓi mai girma (0.152 zuwa 8678 Hz) da ake amfani da ita don fitar da siginar tasiri mai girma.
Filter Element: Fitar band-pass mai shirye-shirye wanda aka ƙididdige mitar tsakiya bisa ga sigogin abubuwan shigar da mai amfani (misali, BPFO), ana amfani da shi don saka idanu kai tsaye mitar kuskuren takamaiman abubuwan da aka haɗa.
Tace Rotor: Tace mai ƙarancin wucewa (0.108 zuwa 2221 Hz).
Haɗin amfani da waɗannan masu tacewa yadda ya kamata yana keɓance bayanan kuskure masu ɗauke da sigina masu rikitarwa, suna haifar da ƙima daban-daban waɗanda suka haɗa da Spike, Element, Rotor, Direct, Gap, 1X Amplitude, da 1X Phase don cikakkiyar ƙima na ɗaukar lafiya.
2.3 Tace Bibiya da Ayyukan Taka
Don masu tacewa waɗanda suka dogara da saurin gudu (misali, 1X, 2X Vector Filters), 3500/40M yana da ingantaccen aikin Bibiyar Tacewa. Lokacin da tsarin ya sami ingantacciyar siginar Maɓalli na sauri, masu tacewa za su iya canzawa ta atomatik tsakanin saitin tacewa da aka ƙirƙira dangane da canje-canje a ainihin saurin ramin. Misali:
Yanayi na farko: Yana amfani da Saitin Filter Na Ƙa'ida wanda aka saita don ƙimar ƙimar gudu.
Rage Gudun Gudun: Yana canzawa zuwa Saitin Fitar Ƙarƙashin ingantattun don ƙananan saurin gudu lokacin da saurin shaft na yanzu ≤ 0.9 x (Sperin Shaft na Ƙa'ida).
Haɓaka Saurin (daga ƙasa): Yana juyawa zuwa Saitin Fitar mara iyaka lokacin da saurin shaft ɗin na yanzu ≥ 0.95 x (Girbin Shaft mara iyaka).
Haɓaka Saurin (daga ƙididdigewa): Yana canzawa zuwa Saitin Tacewa mafi girma wanda aka inganta don babban gudu lokacin da saurin shaft na yanzu ≥ 1.1 x (Mai Girman Shaft ɗin mara iyaka).
Rage Gudun Gudun (daga babba): Yana juyawa zuwa Saitin Fitar mara iyaka lokacin da saurin shaft ɗin na yanzu ≤ 1.05 x (Girbin Shaft mara iyaka).
Kuskuren Siginar Sauri: Idan akwai siginar ingantacciyar siginar saurin da aka rasa, tsarin yana amfani da Saitin Fitar Mai ƙima ta atomatik, yana tabbatar da ci gaba da sa ido.
Wannan aikin yana tabbatar da cewa yayin fara na'ura, bakin teku, ko jujjuyawar sauri, masu tacewa koyaushe suna aiki a cikin mafi kyawun kewayon amsawarsu, suna ba da garantin ingantacciyar ma'aunin abubuwan girgiza.
2.4 Daidaito da Ayyuka
3500/40M yana ba da daidaiton ma'auni na musamman. A + 25 ° C, don yawancin ma'auni na Direct, Gap, 1X, da 2X, daidaitattun daidaito yana cikin ± 0.33% na cikakken sikelin, tare da matsakaicin ± 1% na cikakken sikelin. Daidaiton lokaci don tacewar Vector 1X ya kai girman kuskuren digiri 3. Wannan babban matakin daidaito yana ba da ingantaccen tushe na bayanai don ainihin gano kuskure da yanke shawara mai dogaro.
2.5 Ƙararrawa da jinkiri
Matsakaicin ƙararrawa: Matsakaicin faɗakarwa da haɗari ga kowane tsayayyen ƙima ana iya daidaita su ta software daga 0 zuwa 100% na cikakken sikelin. Daidaiton saitunan ƙararrawa kansu suna cikin ± 0.13% na ƙimar da ake so.
Jinkirin ƙararrawa: Don hana ƙararrawar karya, masu amfani za su iya tsara jinkirin ƙararrawa.
Don sigogi kamar Radial Vibration da Thrust, ana iya saita jinkirin faɗakarwa daga 1 zuwa 60 seconds (a cikin tazarar daƙiƙa 1), kuma jinkirin haɗari na iya zama 0.1 seconds ko daga 1 zuwa 60 seconds (a cikin tazara na 0.5-na biyu).
Don REBAM, kewayon jinkiri ya fi faɗi, daga ƙima mafi ƙarancin ƙima har zuwa daƙiƙa 400, yana ɗaukar yanayin yuwuwar yanayin ɗaukar siginar kuskure.
3. Halayen Hardware da Zaɓuɓɓukan Kanfigareshan
Tsarin Module: Yana bin daidaitaccen tsarin gine-gine na 3500, wanda ya ƙunshi babban Module Main Monitor mai cikakken tsayi (wanda aka shigar a gaban rakiyar) da I/O Module mai dacewa (wanda aka shigar a baya na tara).
Nau'ikan Module na I/O: Zaɓuɓɓukan module na I/O maɓalli uku suna samuwa don saduwa da shigarwa daban-daban da buƙatun muhalli:
Module na I/O tare da Ƙarshewar Ciki: Duk wayoyi ana yin su ta hanyar ginanniyar tubalan da aka gina a cikin naúrar, yana ba da ƙaƙƙarfan tsari.
Module na I/O tare da Ƙarewar Waje: Haɗa ta hanyar igiyoyi don raba shingen ƙarewa na waje, sauƙaƙe kulawa da keɓewa a cikin mummuna yanayi.
Module na I/O tare da Shingayen Ciki: Yana haɗa shingen tsaro na ciki, yana ba da damar yin amfani da na'urar a wurare masu haɗari (misali, Class I, Division 2 / Zone 2) ba tare da shingaye na waje ba. Wannan shine mabuɗin don samun takaddun shaida na yanki mai haɗari kamar ATEX, IECEx, da cNRTLus.
Alamar Matsayi: Ƙungiyar ta gaba tana ba da alamun LED da yawa, gami da OK (aiki kullum), TX/RX (sadarwar tsakanin-module), da Keɓancewa (Yanayin wucewa mai aiki), yana ba da damar gano saurin fili na matsayin module.
4. Dacewar muhalli, Takaddun shaida, da Aikace-aikace
Iyakoki na Muhalli: Faɗin zafin jiki na aiki, daga -30°C zuwa +65°C lokacin da aka yi amfani da shi tare da Ciki/Na waje Ƙarshe I/O Modules, da 0°C zuwa +65°C lokacin amfani da Module Barrier I/O na ciki.
Takaddun Shaida: Tsarin ya dace da ƙa'idodi na duniya da yawa, gami da FCC, Umarnin EMC, Umarnin Wutar Lantarki, Jagoran RoHS, kuma yana riƙe takaddun shaida na ruwa daga DNV GL da ABS, da takaddun shaida na yanki mai haɗari kamar ATEX, IECEx, da cNRTLus.
Yanayin aikace-aikacen: 3500/40M dutsen ginshiƙi ne don kare mahimman kayan aikin juyawa a cikin masana'antu, ana amfani da su sosai a:
Samar da Wutar Lantarki: Tushen turbines, injin turbin gas, janareta, injin injin ruwa.
Oil & Gas: bututu compressors, gas turbines, famfo sets.
Masana'antu da Masana'antu: Manyan kwampressors daban-daban, turbomachinery.
Abubuwan da aka bayar na Marine Propulsion Systems.
