3500/42M Proximitor Seismic Monitor babban haɗe-haɗe ne kuma mai ƙarfi tsarin sa ido na tashoshi huɗu a cikin Tsarin Kula da Yanayin Injiniya na Benly Nevada ™ 3500. Yana wakiltar ci-gaba matakin fasahar kariyar injuna, mai iya sarrafa sigina lokaci guda daga na'urorin watsawa na kusanci da na'urori masu motsi, yana ba da damar daidaitawa da cikakkiyar sa ido da kariya ga girgizar dangi na shaft da ɗaukar cikakken girgizar gida a cikin injin juyawa.
Wannan saka idanu yana ci gaba da ingantaccen falsafar ƙira na tsarin 3500. Babban manufarsa ita ce samar da kariya marar katsewa don mahimman kadarorin injina ta hanyar ci gaba da kwatanta sigogin da aka sa ido akan saiti na ƙararrawa mai shirye-shirye don fitar da ƙararrawa; a lokaci guda, yana sadar da mahimman bayanan na'ura zuwa ayyuka da ma'aikatan kulawa a cikin ainihin lokaci, yana ba da tallafin bayanai don tabbatar da tushen yanayi da gano kuskure.
Babban sassauci na 3500 / 42M alama ce ta musamman. Masu amfani za su iya saita kowane tashoshi ta 3500 Rack Configuration Software don yin ɗaya daga cikin ayyuka masu sa ido da yawa, gami da: Radial Vibration, Position Judge, Expansional Expansion, Eccentricity, REBAM, Acceleration, Velocity, Shaft Absolute Vibration, and Circular Acceptance Region. Hakazalika da sauran masu saka idanu a cikin jerin, ana sarrafa tashoshi guda huɗu kuma ana daidaita su a cikin 'Channel Pairs,' yana ba da damar tsarin guda ɗaya don aiwatar da ayyuka daban-daban na saka idanu guda biyu (misali, Tashoshi 1 & 2 don Radial Vibration, Tashoshi 3 & 4 don Gudun Gidajen Bearing).
2. Mahimman siffofi da Ƙa'idodin Aiki dalla-dalla
2.1 Core Aiki: Multi-Sensor Signal Fusion da Haɗin Bincike
Babban darajar 3500/42M ta ta'allaka ne a cikin ikonsa na karya iyakancewar masu saka idanu na gargajiya waɗanda kawai ke sarrafa nau'ikan firikwensin guda ɗaya, suna aiki azaman cibiyar haɗakar bayanai. Tsarin aikinsa shine kamar haka:
Shigar siginar nau'i-nau'i da yawa da Samar da Wuta: Tsarin na iya karɓar sigina daga na'urori masu auna firikwensin har zuwa huɗu, waɗanda zasu iya zama:
Masu Fassara kusanci: Don auna girgiza shaft da matsayi dangane da mahalli.
Accelerometers: Don auna babban mitar girgiza hanzarin mahalli masu ɗaukar nauyi.
Masu Fassara Gudun Gudun: Don auna tsakiyar-zuwa-ƙananan saurin girgizar mahalli mai ɗaukar nauyi.
Module na gaba panel yana samar da mai haɗawa da Buffered Transducer Output coaxial connector don kowane tashoshi, yana samar da -24 Vdc ikon motsa jiki don masu fassarar kusanci, kuma yana ba da tushen tushen halin yanzu ko tushen wutar lantarki don accelerometers, sauƙaƙe tsarin haɗin kai.
Ƙaddamar da Hanyoyi na Sanya Siginar Sigina: Don nau'ikan firikwensin daban-daban da makasudin sa ido, tsarin yana kafa hanyoyin daidaita sigina masu zaman kansu. Kowane saitin ya yi daidai da ingantaccen saitin bankunan tacewa da algorithms, yana tabbatar da fitar da mafi dacewa da ingantattun bayanan fasalin daga siginar da aka yi.
Ƙididdiga Masu Ƙimar Ƙididdiga da Ƙarfafawa: Ana amfani da sigina masu sharadi don ƙididdige maɓalli masu mahimmanci waɗanda aka sani da Static Values. Waɗannan dabi'u sune ginshiƙin yanke shawara na ƙararrawa da kimanta yanayin kayan aiki. 3500/42M na iya samar da ɗimbin kididdigar ƙima, misali:
Tashar Vibration na Radial na iya haifar da: Kai tsaye, Gap, 1X Amplitude/Phase, 2X Amplitude/Phase, Ba 1X Amplitude, Smax Amplitude.
Tashar Gudun Gudun II na iya samar da: Kai tsaye (misali, RMS/Gunguwar Peak), 1X Amplitude/Phase, 2X Amplitude/Phase, Bias Voltage.
Aikin Shaft Absolute Vibration yana amfani da algorithms na ciki don haɗa bayanai daga duka kusanci da masu fassara girgizar ƙasa, suna samun cikakkiyar rawar jiki na shaft.
Gudanar da Ƙararrawa da Fitarwa: Masu amfani za su iya saita ƙararrawa na faɗakarwa don kowace ƙima mai aiki kuma zaɓi kowane mafi mahimmancin ƙima guda biyu don ƙararrawa mai haɗari. Tsarin yana ci gaba da yin kwatancen kuma yana haifar da ƙararrawa akan abubuwan da suka wuce. Hakanan yana fasalta jinkirin lokacin ƙararrawa na shirye-shirye (misali Faɗakarwa: 1-60 seconds, Haɗari: 0.1 seconds ko 1-60 seconds) don hana ƙararrawar ƙarya yadda ya kamata. Bugu da ƙari, ƙirar tana ba da 4-20mA Recorder Outputs don haɗi zuwa DCS ko na'urorin rikodi.
2.2 Maɓallin Ayyukan Sa ido: Ka'idodin Aiki da Ƙirƙirar Fasaha
a) Shaft Absolute Vibration Monitoring
Ƙa'ida: Wannan yana ɗaya daga cikin fitattun siffofi na 3500/42M. Yana amfani da summing vector don haɗa sigina daga ma'aunin kusanci (ma'aunin ma'aunin ma'aunin jijjiga dangi) tare da sigina daga mai jujjuyawar girgizar ƙasa (ma'aunin ma'aunin ma'aunin madaidaicin girgizar ƙasa), yana ƙididdige cikakkiyar girgizar na'ura mai jujjuya dangane da sarari mara amfani. Za a iya sauƙaƙa wannan dabara kamar: Shaft Absolute Vibration = Shaft Relative Vibration + Bearing Housing Cikakkun Vibration.
Ƙimar: Wannan siga yana da mahimmanci ga raka'a masu sassauƙan tushe (misali, injunan ruwa), sifofi masu nauyi, ko mahimmin girgizar mitoci. Yana nuna daidai da ainihin tsananin girgiza na'ura mai juyi, yana guje wa murɗaɗɗen ma'auni da ke haifar da girgizar yanayi, kuma hanya ce ta ci gaba da sa ido wacce ta dace da ƙa'idodin API.
b) Gudanar da siginar girgizar ƙasa
Haɓaka Siginar Sarrafa: Tsarin yana ba da hanyoyin sarrafa hanzari guda biyu.
Daidaitaccen Yanayin Haɗawa: Yana amfani da matattara mai tsayin sandar sanda 4 da ƙarancin wucewa tare da kewayon amsa mitoci mai faɗi (misali, 10 Hz zuwa 30,000 Hz don fitowar RMS), dace da ɗaukar siginonin tasiri mai girma, galibi ana amfani da su don gano kuskuren farko a cikin akwatunan gear ko mirgina nau'ikan bearings.
Haɓakawa na II Yanayin: Bayan aiki na asali, yana iya samar da 1X da 2X Vector abubuwan haɗin gwiwa da Bias Voltage, kuma yana goyan bayan aikin Bibiyar Filter / Mataki, yana sa ya dace da yanayin yanayin da ke buƙatar daidaitaccen bincike na abubuwan da ke da alaƙa da sauri.
Gudanar da Siginar Gudun Gudun: Haka nan yana ba da nau'ikan Ma'auni da Sauri na II. Yanayin Velocity II yana da ƙarin ƙarfin ƙarfi, gami da samar da 1X da 2X Vectors, Bias Voltage, da goyan bayan kewayon saurin inji mai faɗi (60 zuwa 100,000 cpm). Model a ciki yana amfani da da'irori na haɗin kai na dijital don haɗa haɓakawa zuwa sauri, ko bambanta / haɗa saurin gudu zuwa ƙaura, samar da masu amfani tare da zaɓuɓɓukan naúrar girgiza da yawa (hanzari, saurin gudu, ƙaura) don nuni da zaɓin ƙararrawa.
c) Yankin Karɓar Da'ira
Ƙa'ida: Wannan ci-gaba ne taimakon daidaita ma'aunin rotor. Yana ayyana madauwari 'yanki mai aminci' akan maƙallan igiya (tare da 1X Amplitude a matsayin daidaitawar radial da 1X Phase a matsayin daidaitawar angular). Ana ɗaukar yanayin injin ɗin karɓuwa lokacin da ƙarshen ƙarshen juzu'i na 1X vector na rotor ya ta'allaka cikin wannan da'irar.
Ƙimar: Idan aka kwatanta da ƙararrawar ƙararrawa guda ɗaya na gargajiya, CAR tana la'akari da tasirin tasirin girman girma da lokaci, yana ba da damar ingantaccen saka idanu da faɗakarwa na canje-canje masu ƙarfi kamar rashin daidaituwa na rotor ko bakan thermal, musamman yayin farawa na'ura da bakin teku, yana samar da ingantaccen yanayin kima.
d) REBAM da Advanced Filtering Technology
REBAM: Ƙa'idarsa ta yi daidai da 3500/40M, ta yin amfani da keɓaɓɓen saitin tacewa don fitar da mitoci na kuskuren birgima. Takaddun 3500/42M ya kara ba da cikakkun sigogin daidaitawa wanda ke nuna matsakaicin saurin injin da ke goyan bayan ƙididdige ƙididdiga daban-daban da saitunan tashoshi ɗaya/dual, yana ba da mahimman bayanai don saitin mai amfani.
Bibiyar Tace/Mataki: Don masu dogaro da sauri, ƙirar zata iya canzawa ta atomatik tsakanin saiti 'Na'a,' 'Ƙananan,' da 'Mafi girma' saitin tacewa bisa ainihin saurin ramin. Misali, yana juyawa zuwa saitin tace mai ƙarancin sauri lokacin da saurin ya faɗi zuwa 90% na ƙimar ƙima, kuma zuwa saitin tace mai sauri lokacin da saurin ya tashi zuwa 110% na ƙimar ƙima. Wannan yana tabbatar da cewa mitar cibiyar tace daidai yana bin sauye-sauyen saurin gudu a cikin dukkan kewayon aikin injin, yana ba da garantin daidaitaccen ma'auni na abubuwan haɗin gwiwa kamar 1X da 2X.
2.3 Daidaito da Tabbacin Amincewa
3500/42M yana ba da daidaiton ma'aunin jagorancin masana'antu. A + 25 ° C, don mafi yawan Direct, Gap, 1X, da 2X Vector dabi'u, daidaitattun daidaito ya kai ± 0.33% na cikakken sikelin, tare da matsakaicin kuskuren da bai wuce ± 1% na cikakken sikelin ba. Kuskuren auna lokaci na 1X Vector shine matsakaicin digiri 3. Daidaiton wuraren saita ƙararrawa yana cikin ± 0.13% na ƙimar da ake so. Wannan daidaitaccen madaidaicin yana shimfiɗa tushe mai ƙarfi don ingantaccen yanke shawara na kariya da ingantaccen ganewar kuskure.
3. Hardware Architecture da Safety Features
Tsarin Modular: Ya ƙunshi cikakken Babban Module na Kulawa da Madaidaicin I/O Module. Akwai nau'ikan nau'ikan I/O iri-iri don biyan buƙatun aikace-aikace daban-daban:
Modules na Prox/Seismic I/O: Goyan bayan haɗaɗɗen haɗin kusanci da masu fassara girgizar ƙasa.
Shaft Absolute I/O Modules: An ƙirƙira musamman don ma'aunin ma'aunin girgizawar Shaft, yana samar da abubuwan da aka haɗa.
Prox/Velom I/O Modules: Sadaukarwa don kusanci da masu fassara saurin gudu.
I/O Modules tare da Shingayen Ciki: Haɗa shingen tsaro na ciki, ba da damar amfani da kai tsaye a cikin Class I, Division 2/ Zone 2 m yankunan, kuma an ba su bokan zuwa ƙaƙƙarfan ƙa'idodi kamar cNRTLus, ATEX, da IECEx. Takaddun sun yi cikakken bayani game da sigogin mahaɗan shinge (misali, Vmax, Imax) don lissafin tsarin aminci na ciki.
Dacewar Muhalli: Faɗin zafin jiki mai aiki: -30°C zuwa +65°C tare da daidaitattun I/O modules, da 0°C zuwa +65°C tare da na'urori na Barrier I/O na ciki, yana ba da damar daidaitawa zuwa matsanancin yanayin masana'antu.
4. Yanayin aikace-aikace
3500/42M shine ingantacciyar mafita don hadaddun buƙatun saka idanu, ana amfani da su sosai a cikin:
Ƙarfin Ƙarfafawa: injin turɓaya, injin turbin gas, janareta (a lokaci guda saka idanu shaft da girgizar casing).
Oil & Gas: Kwamfarar bututu, kayan aikin injin turbin gas.
Tsarukan Propulsion na Marine: Manyan injin turbines, akwatunan gear, da injunan dizal, inda sassauƙan tushe ya sa Shaft Cikakken Vibration saka idanu musamman mahimmanci.
Masana'antu da Masana'antu: Manyan kwampressors daban-daban da turbomachinery suna buƙatar cikakken bincike na girgiza.
