The PA150 Probe Mounting Adapter with Proximity Measurement Chain cikakke ne, tsarin ma'aunin ƙaura mara lamba mara lamba daga layin samfurin VM. Wannan tsarin haɗin gwiwar ya haɗu da firikwensin kusancin TQ912 eddy na halin yanzu da na'urar kwandishan siginar IQS900 da aka ajiye a cikin ruɓaɓɓen shinge, shingen rufewa, musamman wanda aka ƙera don matsanancin yanayin masana'antu da wurare masu haɗari (mai yuwuwar yanayi mai fashewa). Babban aikinsa shine auna daidai girgiza shaft dangi da matsayi axial a cikin injin jujjuyawa (kamar injin tururi, turbin gas, turbines na ruwa, janareta, turbo-compressors, da famfo). Ana amfani dashi ko'ina don kariyar injina, saka idanu akan yanayi, tsarin ganowa da sauri (ODS), da aikace-aikacen da ke da alaƙa da aminci, mai cikakken yarda da ka'idodin bugu na API 670 5.
Babban fa'idar PA150 shine haɗin kai sosai kuma ƙirar sa na zamani. Yana haɗa na'urar firikwensin, kebul na haɗin mita 1, da na'urar sanyaya sigina a cikin raka'a ɗaya, yana kawar da buƙatar kebul na tsawo na EA902 daban. Na musamman mahalli mai cirewa tare da mai riƙe da siffa U yana sauƙaƙe shigarwa na bincike na musamman da daidaita tazara, koda kuwa injin yana gudana. Sanda bakin karfe mai daidaitacce (samuwa cikin tsayi daga 50 zuwa 800 mm) da zaren adaftan daban-daban da zaɓuɓɓukan tsayi suna ba da sassaucin shigarwa mai girma don daidaitawa da tsarin injina mai rikitarwa da iyakokin sararin samaniya.
Tsarin yana ba da fitarwa ko dai irin ƙarfin lantarki (waya 3) ko na yanzu (waya biyu), yana nuna kariyar gajeriyar kewayawa. Amsar mitar ta yana kara har zuwa DC zuwa 20 kHz, yana ba da damar kama cikakkun bayanan girgizawa a cikin injin juyawa mai sauri. Ƙarshen firikwensin yana ba da kewayon zafin aiki mai faɗi sosai (-40 ° C zuwa + 180 ° C), yana ba shi damar sarrafa yanayin zafin jiki. Bugu da ƙari, ana samun PA150 a cikin daidaitattun nau'ikan da nau'ikan fashe-fashe (Ex) waɗanda aka ba da izini ta wasu ƙa'idodi na duniya (ATEX, IECEx, CSA, KGS, UKEX, EAC, da sauransu), saduwa da buƙatun aminci don amfani a wurare masu haɗari a duniya. IQS900 na'urar kwandishan siginar da aka gina a ciki shima yana goyan bayan aikin na zaɓi ginannen gwajin kai (BIST), ingantaccen fitarwar sigina, da shigar da siginar gwaji, mahimmancin sauƙaƙe tsarin ƙaddamar da tsarin, gwajin filin, da hanyoyin magance matsala.
Ƙa'idar Aiki
Tsarin PA150 yana aiki bisa ka'idar Eddy Current don cimma madaidaicin madaidaicin sa, ma'aunin ƙaura mara lamba. Ƙa'idar aikinta tsari ne mai rikitarwa kuma daidaitaccen tsari wanda ya haɗa da shigar da wutar lantarki, haɓakar siginar sigina mai girma da haɓakawa, ƙaddamar da siginar sigina, ramuwar zafin jiki, da ginanniyar bincike. An fayyace tsarin mataki-mataki a ƙasa.
1. Eddy Current Induction and Signal Generation
Babban tsarin shine TQ912 firikwensin kusanci. Kan ta yana ƙunshe da bincike wanda ya ƙunshi madaidaicin murɗa mai rauni, wanda aka lulluɓe shi cikin babban aikin thermoplastic PPS (polyphenylene sulfide) kuma an murɗe shi cikin jikin bakin karfe (AISI 316L). Oscillator mai tsayi mai tsayi a cikin kwandishan siginar IQS900 yana haifar da siginar AC a cikin kewayon MHz, wanda aka watsa zuwa na'urar binciken firikwensin ta hanyar kebul na coaxial na 70-ohm.
Lokacin da babban mitar halin yanzu ke gudana ta cikin nada, yana haifar da musanyawar filin lantarki a ƙarshensa. Lokacin da wannan filin ya kusanci maƙasudin ƙarfe mai ɗaure (yawanci mashin ɗin injin), ana haifar da igiyoyin ruwa akan saman da ake niyya bisa ga Dokar Faraday ta Induction Electromagnetic. Waɗannan magudanar ruwa da kansu suna haifar da sabon filin maganadisu wanda ke adawa da ainihin filin (Dokar Lenz), yana haifar da canji a cikin ingantacciyar na'urar firikwensin. Wannan canji a cikin impedance yana da ƙayyadaddun dangantaka ta aiki (yawanci kusan madaidaicin alaƙar ma'auni) tare da tazarar tazara tsakanin tip ɗin bincike da farfajiyar da ake niyya kuma ana samun tasiri ta hanyar kaddarorin lantarki (haɓaka, haɓakawa) na kayan da aka yi niyya da zafin yanayi.
2. Canjin Sigina, Watsawa, da Rushewa
Canjin firikwensin nada's impedance amplitude-yana daidaita siginar mai ɗaukar nauyi mai girma daga kwandishan. Wato girman siginar dawowa (dauke da bayanan nisa) yana ɗauke da bayanan tazara. Wannan siginar da aka ƙera ana watsa shi zuwa ga kwandishan siginar IQS900 ta hanyar kebul na coaxial.
A cikin IQS900, an fara haɓaka siginar dawowa. Daga baya, madaidaicin da'irar demodulation (sau da yawa yana amfani da fasahar gano lokaci-lokaci) yana da alhakin cire babban mai ɗaukar hoto, cire siginar ƙarancin mitar wutar lantarki daidai da sauyin da ke cikin na'ura mai ƙarfi. Wannan tsari yana da mahimmanci; dole ne ya mayar da daidai girman girman canjin impedance yayin da yake danne hayaniyar da aka gabatar ta hanyar canjin wutar lantarki, bambance-bambancen capacitance na USB, da tsangwama na lantarki na waje (EMI), yana tabbatar da tsabtar sigina da aminci.
3. Linearization, Amplification, and Output Conversion
Siginar wutar lantarki mai ɗanɗano daga dimodulator yana da alaƙa mara layi tare da nisa. Da'irar sarrafawa na ciki na IQS900 ya haɗa da keɓaɓɓen ƙirar layin layi. Wannan ƙirar tana sarrafa siginar ɗanyen ta hanyar hadaddun algorithms (kamar madaidaicin nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’in nau’i)) don canza shi zuwa madaidaicin siginar da ke da alaƙar mizani mai ma’ana tare da tazarar inji.
Bayan haka, ana aika siginar layin layi zuwa madaidaicin da'irar haɓakawa don ƙima da daidaitawar son zuciya don daidai daidai da kewayon fitarwa da azancin da mai amfani ya zaɓa ta hanyar zaɓuɓɓukan oda:
Yanayin Fitar da Wutar Lantarki (waya 3): Yana ba da siginar wutar lantarki mai linzamin kwamfuta daga -1.6 V (daidai da mafi ƙarancin rata) zuwa -17.6 V (daidai da matsakaicin rata). Yana da ƙananan ƙarancin fitarwa (<100 Ω), kewayon mai ƙarfi na 16 V, kuma ya dace da watsa gajeriyar nisa zuwa katunan sayan bayanai ko PLCs, yana ba da ƙarfin hana tsangwama.
Yanayin Fitarwa na Yanzu (waya 2): Yana ba da sigina na yanzu daga -15.5 mA (min rata) zuwa -20.5 mA (max rata). Matsakaicin iyaka shine 5mA. Abubuwan da ake fitarwa na yanzu ba su da kariya daga faɗuwar wutar lantarki da hayaniya a kan nesa mai nisa, yana mai da shi manufa don watsa nisa mai nisa don sarrafa ɗakuna ko tsarin DCS, kuma a zahiri yana ba da gano fashewar waya.
Duk abubuwan da aka fitar an tsara su tare da kariyar gajeriyar kewayawa da kariyar wuce gona da iri.
4. Matsakaicin Zazzabi da Tsarin Tsarin Tsarin
Bambance-bambancen yanayin zafi yana shafar juriya na coil, halayen kebul, da kaddarorin lantarki na abin da aka yi niyya. Tsarin PA150 yana ɗaukar cikakken ƙirar ramuwa zazzabi. Na'urar firikwensin zafin jiki yana lura da yanayin yanayin yanayi, kuma algorithms suna daidaita girman siginar tashin hankali ko sigogin kewaye don kiyaye daidaiton siginar fitarwa da daidaito a cikin kewayon zafin jiki da aka ƙayyade (Sensor: -40°C zuwa +180°C; Conditioner: -40°C zuwa +85°C), rage girman drift (<5% @5-300C).
Dukkanin sarkar ma'auni (sensor + kwandishana) an daidaita masana'anta ta amfani da madaidaicin VCL 140 karfe (1.7225) manufa a 23°C ± 5°C, yana tabbatar da cikakkiyar musanyar abubuwan da aka gyara. Wannan yana nufin ana iya maye gurbin firikwensin ko kwandishana a cikin tsarin daban-daban ba tare da sake daidaita tsarin gabaɗayan ba, yana sauƙaƙa sauƙin kula da filin sosai da rage farashin kaya.
5. Ginin Bincike da Abubuwan Gwaji (BIST)
Ayyukan bincike na zaɓi na IQS900 na'urar kwandishan siginar siffa ce ta musamman. Yana goyan bayan Gina-Cikin Gwajin Kai (BIST), wanda zai iya ci gaba ko a kan buƙata ta atomatik saka idanu akan lafiyar sarkar auna (ciki har da firikwensin, kebul, da kwandishan kanta). Idan aka gano kuskure (misali, firikwensin buɗaɗɗen kewayawa, gajeriyar kewayawa, lalacewar USB, ko kuskuren kwandishan), yana faɗakarwa daga nesa ta hanyar fitar da fitarwa zuwa ƙimar da ke waje da kewayon aiki na yau da kullun (<-20.5 mA ko> -15.5 mA; <-17.6 V ko> -1.6 V), yana ba da damar kiyaye tsinkaya.
Bugu da ƙari, IQS900 yana ba da tallafin gwaji na musamman a cikin wurin:
Raw Output (RAW/COM): Yana ba da siginar wutar lantarki 'raw' (-0.8 zuwa -8.8 V) wanda kai tsaye yana nuna siginar ciki da aka karɓa kafin sarrafa sikelin ƙarshe. Ana samun wannan koda lokacin da aka saita tsarin don fitarwa na yanzu. Ana amfani da wannan aikin don tabbatar da lafiyar hanyar haɗin gwiwa daga firikwensin zuwa ƙarshen ƙarshen siginar siginar.
Shigarwar Gwaji (TEST/COM): Yana ba da damar allurar siginar ƙarfin gwajin AC cikin shigar da kwandishan. Conditioner yana sarrafa wannan siginar gwajin kamar ya fito daga ainihin firikwensin kuma ya wuce shi zuwa babban abin fitarwa. Ana amfani da wannan don tabbatar da amincin duk hanyar siginar daga siginar kwandishan zuwa tsarin sa ido na gaba (ciki har da shingen keɓewa da wayoyi).
Tare, waɗannan fasalulluka suna ba da damar yin aiki mai inganci a cikin wurin da magance matsala ba tare da cire haɗin wayoyi ko dakatar da injin ba.
Key Features da Fa'idodi
Babban Haɗin kai & Sauƙaƙan Shigarwa: Haɗa firikwensin, kebul, da kwandishana zuwa naúra ɗaya, yana kawar da igiyoyin tsawo na waje. Matsuguni masu cirewa da mai riƙe da siffa U suna ba da izinin shigar da bincike mai sauƙi na musamman da daidaita rata, suna goyan bayan daidaitawa kan layi yayin da injin ke gudana.
Excellent Mechanical Design & Adaptability: Features wani daidaitacce bakin karfe sanda (50-800mm), daban-daban adaftan zaren (M24, 7/8 ' -14UNF, 3/4 ' NPT, G3 / 4 ', 1 'NPT) da kuma tsawo, da kuma mahara na USB dacewa zažužžukan (Option F), saduwa da kusan duk bukatun sarari da kuma inji.
Cikakken Takaddun Takaddun Muhalli & Tsaro: Sensor rated IP68, gabaɗayan gidaje masu ƙimar IP65. Akwai a cikin nau'ikan abubuwan fashewa (Ex) waɗanda aka tabbatar ta kowace ATEX, IECEx, CSA, KGS, UKEX, EAC, da sauransu, don amfani a cikin Yanki 0/1/2 (Gas) da Zone 20/21/22 ( kura) wurare masu haɗari. Ya dace da bugu na 5 API 670 da ka'idodin aminci na aiki SIL 2 (IEC 61508) / Cat 1 PL c (ISO 13849-1).
Babban Ma'aunin Ma'auni: Dangane da ingantaccen sarkar ma'auni na TQ912 & IQS900, yana ba da kewayon ma'aunin ma'auni na 2mm ko 4mm, tare da zaɓaɓɓen azanci na 8 mV/μm, 4 mV/μm, 2.5 μA/μm, ko 1.25 μA/μm. Amsar mitar mai faɗi (DC zuwa 20 kHz) yana tabbatar da kama duk abubuwan da suka dace na girgiza.
Cigaban Bincike & Ƙarfin Gwaji: Gwajin Gina-In Kai (BIST) na zaɓi don sa ido kan lafiya na tsarin lokaci. Raw fitarwa da Gwaje-gwaje musaya shigar da musanya goyon bayan m in-wuri da ganewar asali kuskure, rage downtime.
Haƙuri na Muhalli mai ƙarfi: Sensor yana jure yanayin yanayin aiki daga -40°C zuwa +180°C, bambancin matsa lamba har zuwa mashaya 6, girgiza har zuwa 5g, da girgiza har zuwa 15g. Rufe gidaje na aluminum (tare da Viton O-rings da NBR gasket) yana tabbatar da kariya ga kwandishan a cikin yanayin masana'antu masu tsanani.
Samar da Wutar Lantarki Mai Sauƙi & Samar da Wuta: Yana goyan bayan ƙarfin lantarki da fitarwa na yanzu, masu jituwa tare da yawancin tsarin sa ido. Babban kewayon samar da wutar lantarki (-18 zuwa -30 VDC), ana iya samo shi daga tsarin sa ido ko samar da wutar lantarki ta waje.
Aikace-aikace
Tsarin Kariya na Injin: Don girgiza dangi na shaft da saka idanu a matsayin axial a cikin manyan injina masu jujjuyawa kamar injin tururi, injin turbin gas, injin injin tururi, compressors, famfo, da janareta don hana gazawar bala'i.
Kula da Yanayi & Kula da Hasashen: Yana ba da cikakkun bayanai na girgiza don tantance lafiyar injin da gano kuskure.
Tsare-tsare Ganewar Wuta (ODS): Yana aiki azaman firikwensin saurin (Keyphasor) don mahimman ayyukan kariya da sauri.
Aikace-aikace masu alaƙa da aminci: Tare da takaddun shaida na SIL 2, ana iya amfani da shi a cikin madaukai na kariya na injin da ke buƙatar amincin aiki.
API 670 Aikace-aikace: Cikakken yarda da ƙa'idar Buga na 5 na Cibiyar Man Fetur ta Amurka don tsarin kariya na inji, yana mai da shi manufa ga masana'antar mai, gas, da masana'antar petrochemical.
Aikace-aikacen Wuri Mai Haɗari: Sifofin tabbatar da fashewa suna ba da damar amfani da su a cikin mahalli masu fashewar iskar gas ko ƙura, kamar a cikin mai & gas, sinadarai, da masana'antar harhada magunguna.
