Vibro-Meter CA202 144-202-000-136 piezoelectric accelerometer

The CA202 piezoelectric accelerometer ne mai babban aiki masana'antu kula da girgizar kasa bayani daga vibro-mita, a Meggitt Sensing Systems samfurin line. An ƙera shi don nisa mai tsayi, ingantaccen abin dogaro mai ci gaba da auna jijjiga a cikin munanan mahallin masana'antu tare da yuwuwar fashewar yanayi. Wannan rahoton ya mayar da hankali kan samfurin 144-202-000-136, sigar ƙwararriyar Tsaro ta Intrinsic (Ex ia) sanye da kebul na haɗin kai na mita 20. Wannan samfurin shine zaɓin da ya dace don lura da manyan kayan aikin masana'antu a wurare masu haɗari (Yanki 0, 1, 2) inda ake buƙatar igiyar igiya mai nisa, irin su gungun compressor da aka rarraba a cikin tsire-tsire masu sinadarai, manyan injin injin injin gas, kayan aiki masu yawa a kan dandamali na teku, da tashoshin famfo tare da bututun mai nisa. Yana ba da damar watsa sigina kai tsaye daga firikwensin zuwa ɗakin kulawa mai aminci ba tare da buƙatar akwatunan haɗin gwiwa ba.

Na'urar firikwensin yana amfani da ingantacciyar fasahar ji na piezoelectric mai ƙarfi da aka haɗe tare da cikakkiyar welded hermetic seal don ƙirƙirar cikakkiyar ma'auni mai ƙarfi daga kan ji har zuwa ƙarshen kebul. Babban fasalinsa shine kebul na coaxial mara ƙarfi mai tsayin mita 20. Wannan kebul ɗin an lulluɓe shi a cikin mai sassauƙa, babban zafin jiki mai juriya bakin karfe mai sulke mai sulke kuma ba tare da lahani ba ga mahalli na firikwensin, yana samar da tsarin rufewa mai jure matsanancin yanayin zafi, damuwa na inji, lalata sinadarai, da shigar danshi. Wannan ƙirar tana kawar da haɗarin rage sigina ko gazawar auna gama gari tare da na'urori masu tsaga na gargajiya saboda ƙarancin haɗin filin, lalata mai haɗawa, ko gazawar hatimi. Ya dace musamman don kula da lafiyar kadari mai mahimmanci yana buƙatar ingantaccen aiki na dogon lokaci.

A matsayin layin gaba na cibiyar sa ido kan yanayin masana'antu, CA202-136 yana haɗawa ba tare da wata matsala ba tare da na'urorin siginar vibro-meter® (jerin IPC), keɓaɓɓen shingen tsaro (jerin GSI), da dandamalin sa ido na hankali (misali, MMS ko VM600). Wannan yana samar da cikakkiyar sarkar warwarewa daga ji na girgizawa da watsa siginar tsangwama zuwa ga bincike mai hankali, samar da inganci mai inganci, ingantaccen ingantaccen bayanai don canjin dijital na masana'antu da kiyaye tsinkaya.

---

2. Ƙimar Ƙimar Mahimmanci

1. Haɗaɗɗen Siginar Tsayin Tsawon Nisa:

• Babu Tsakanin Tsakanin Matsakaici: Kebul na haɗin kai na mita 20 yana ba da damar firikwensin a haƙa kai tsaye a kan ma'auni masu wuyar isa ko matsananciyar ma'auni yayin sanya mafi ƙarancin cajin ƙararrawa dubun mita nesa a wuri mafi aminci, mafi aminci. Wannan yana guje wa ingantattun hatsarori da haɗarin takaddun shaida mai fashe mai alaƙa da waldawar filin ko haɗin kai.

• Tabbacin Siginar Siginar Tabbataccen Siginar: Kebul ɗin da aka ƙera masana'anta yana tabbatar da daidaito da haɓaka sigogin lantarki (misali, ƙarfin ƙarfi, juriya na insulation) daga kristal piezoelectric zuwa shigar da ƙararrawa, rage asarar siginar da gabatarwar amo a farkon matakin watsa nisa mai nisa.

2. Dorewar Musamman a cikin Muhalli masu Wuta:

• Cikakken Rufin Sarkar Zazzabi: Shugaban ji yana jure matsanancin yanayin zafi daga -55 ° C zuwa + 260 ° C, kuma jikin na USB na mita 20 na iya ci gaba da aiki daga -55 ° C zuwa + 200 ° C, yana tabbatar da ingantaccen aiki na 24/7 a wurare masu zafi mai zafi kamar kera karfe ko injin turbin gas, da kuma a waje.

• Kariya-Grade Hatimin Kariya: Cikakken tsarin bakin karfe na waldawa yana ba da kariya sama da IP68, yana ba da kariya ta asali ga ruwa, tururi, mai, manyan sinadarai masu lalata, da ƙura, tare da rayuwar sabis wanda ya wuce na'urori masu dogaro da hatimin elastomeric.

3. Gidauniya don Ingantacciyar, Ƙarfafa Ayyukan Aunawa:

• Babban Fitowa & Faɗin Bandwidth: Ƙwararren ƙima na 100 pC/g yana ba da kyakkyawan rabon sigina-zuwa amo. Haɗe tare da faffadan amsa mitar lebur na 0.5 Hz zuwa 6 kHz (± 5%), yana iya ɗaukar girgizar ƙasa mai ƙarfi na kayan aiki mara sauri kuma daidai tantance sa hannun kuskuren mitoci masu tsayi a cikin akwatunan gear masu sauri ko mirgina nau'ikan bearings.

• Ingantattun Halayen Dynamic: Kewayon ma'aunin linzamin kwamfuta har zuwa 400g da mitar resonant> 22kHz yana tabbatar da siginar fitarwa na firikwensin ya kasance mara gurɓatacce a ƙarƙashin hadaddun yanayin aiki tare da tasiri tare da girgiza, da gaske yana nuna yanayin kayan aiki.

4. Takaddun Tsaro na Cikin Gida wanda aka yarda da shi a Duniya: Model 144-202-000-136 ya sami takaddun shaida na Ciki (Ex ia IIC) wanda ke rufe manyan tsarin tabbatar da fashewar fashewar duniya, gami da ATEX, IECEx, UKEX, cCSAus, KGS, da EAC RU. Wannan yana nufin tsarin da aka ƙididdige daidai za a iya tura shi cikin aminci a cikin mafi haɗari wurare (Zone 0) inda rukunin IIC gas kamar hydrogen ko acetylene na iya kasancewa, yana biyan mafi girman bukatun aminci na ayyukan duniya.

5. Yana Rage Jimillar Kudin Mallaka:

• Yana Rage Rukunin Shigarwa: Dogon kebul yana rage adadin magudanar ruwa, tire, da akwatunan haɗin gwiwa da ake buƙata, rage aikin shigarwa da farashin kaya.

• Bukatun Kulawa Kusa-Zero: Ƙarfin ginin da aka hatimce yana hana kasawa da gaske saboda ƙetare muhalli, yana rage raguwar lokacin da ba a shirya ba da mitar kulawa.

• Dogayen Tsakanin Calibration: Ayyukan Piezoelectric crystal yana da karko sosai; Ba a buƙatar daidaitawa a kan rukunin yanar gizon ƙarƙashin yanayin aiki na yau da kullun.

  
  

---

3. Ka'idodin Fasaha & Haɗin Tsarin Tsarin

CA202 tana wakiltar babban tsarin gine-gine 'tsarin kai + keɓantaccen cajin caji'. Babban abin da yake ji shine mai canza wutar lantarki mai tsafta: babban yanki na cikin gida - piezoelectric crystal taro yana canza girgizar injin daidai gwargwado zuwa adadin caji. Wannan jujjuyawa yana kusan nan take tare da amsawar mitar mai faɗin gaske.

Kebul na haɗin mita 20 shine maɓallin fasaha na wannan ƙirar. Kebul ba na yau da kullun bane amma kebul na coaxial mara ƙarancin hayaniya na musamman. An inganta dielectric tsakanin jagoran cibiyarta da garkuwarta don rage yawan hayaniyar cajin parasitic (tasirin triboelectric) wanda ke haifar da lankwasawa na USB, girgiza, ko canjin zafin jiki. Haɗin welded tsakanin kebul da shugaban ji yana tabbatar da amincin haɗin gwiwa na dindindin da hatimi.

A matakin tsarin, hanyar siginar ita ce kamar haka:

1. Jijjiga → CA202 Sensing Head → High-impedance Charge Signal.

2. Siginar caji yana tafiya ta kebul na ƙaramar amo mai tsawon mita 20 zuwa Cajin Amplifier (IPC) wanda aka shigar a cikin wuri mai aminci ko mafi kyawun yanayi.

3. Amplifier na Cajin yana aiwatar da mahimman ayyuka guda biyu: Na farko, yana ba da ƙasa mai kama da siginar caji mai ƙarfi, yana canza shi zuwa ƙarfin lantarki mai daidaituwa. Na biyu, ta hanyar da'irar mai canza wuta-zuwa-yanzu, yana fitar da siginar madauki mai lamba 2-4-20mA na yanzu. Wannan fasaha tana ba da siginar mafi girman rigakafin amo da damar watsa nisa.

4. Sigina na 4-20mA na yanzu yana tafiya gaba ta hanyar karkatacciyar hanya ta yau da kullun zuwa dakin sarrafawa, yana shiga Keɓaɓɓen Barribar Tsaro (GSI). GSI yana ba da iyakancewar makamashi don madauki mai aminci na ciki (tabbatar da aminci) kuma yana lalata siginar yanzu zuwa daidaitaccen siginar ƙarfin lantarki (misali, 0-5V, 0-10V) don shigarwa cikin DCS/PLC ko tsarin sa ido na girgiza don bincike, rikodi, da ban tsoro.

Ƙimar dabarar zabar ƙirar kebul na 20m ta ta'allaka ne a cikin sauƙaƙe ƙirar injiniya da ingantaccen dogaro na dogon lokaci. Yana ba da damar sanya firikwensin firikwensin kusa da mafi kyawun ma'aunin ma'auni ba tare da an takura masa ba ta samin sarari don amplifier kusa. Wannan yana da fa'ida musamman ga manyan na'urorin inji masu ƙanƙanta ko matsananciyar muhalli.

---

4. Wuraren Aikace-aikace na Musamman

Siffar kebul mai tsayi mai tsayi na samfurin CA202-136 yana ba shi fa'ida maras ma'auni a cikin manyan, hadaddun, ko wuraren masana'antu masu rarraba:

• Babban Kulawa da Rukunin Injiniya:

• Haɗin Tsirrai Masu Wutar Zagaye: Kulawar girgizar ƙasa na bearings da yawa akan injin turbin gas guda ɗaya da injin tururi; Za'a iya tuntuɓar igiyoyi masu nisa mai nisa tare da naúrar zuwa haɗaɗɗiyar akwatin mahadar.

• Manyan Rarrabuwar Jirgin Sama: Layukan samarwa da suka ƙunshi manyan damfarar iska da yawa, masu haɓakawa, da masu faɗaɗawa suna buƙatar saka idanu na tsakiya.

• Ma'ajiyar Kayayyakin Kayayyakin Kaya da Kashewa (FPSO) Jirgin ruwa: Pumps da compressors ana rarraba su a cikin samfuran tsari; dogayen igiyoyi suna sauƙaƙe ƙaddamar da siginar sigina zuwa iyakatattun akwatunan mahaɗar wuri mai haɗari.

• Dogayen bututu ko Rarraba kayan more rayuwa:

• Tashar Bututun iskar Gas: Matsaloli da yawa da aka rarraba a wurare daban-daban masu tabbatar da fashewa a cikin tasha; dogayen igiyoyi suna rage haɗin haɗin kebul na yanki.

• Manya-manyan Shuke-shuken Jiyya na Ruwa / Tashar famfo: Saitunan famfo da yawa masu ƙarfi da ke buƙatar siginar sa ido don aikawa zuwa ɗakin kulawa na tsakiya.

• Underground Coal Mine Main Haulage Roadways: Monitoring of belt conveyors, water pumps; sigina na buƙatar watsa nisa mai nisa zuwa saman wurare masu aminci.

• Ƙarfe & Ƙarfafa Ƙarfafawa:

• Injin Shuka Tsakanin Karfe, Masu fashewar Furnace: Manyan kayan aiki tare da maki auna nesa da dakunan lantarki.

• Saka idanu akan manyan na'urori masu yawa na takarda.

• Tsarin Jirgin Ruwa (misali, babban injin, raguwar gearbox) saka idanu.

• Muhalli na Musamman na Bukatar Sanya Amplifier Nisa:

• Na'urori masu auna firikwensin suna hawa kusa da jikin tanderu mai zafin jiki, tare da amplifiers da ake buƙata a wuraren zafin yanayi.

• Kayayyakin da aka shigar a cikin manyan wuraren da ake yin hasashe, suna buƙatar kayan aikin lantarki da a sanya su nesa da tushen.

  
  

---

5. Shigarwa, Gudanarwa & Ka'idodin Tsaro

5.1 Tsare-tsare Kafin Shigarwa

1. Tsare Tsare Tsare: ƙwararren injiniyan kayan aikin dole ne ya yi ƙididdige ƙididdige madaidaicin aminci dangane da takaddun shaida na fashe da rarraba yanki mai haɗari. Wannan yana tabbatar da shingen aminci da aka zaɓa da sigogin kebul, tare da CA202-136 da amplifier IPC, sun cika buƙatun aminci na ciki.

2. Cable Route Pre-Design: Kebul na 20m yana ba da dacewa amma kuma yana gabatar da ƙalubalen kewayawa. Shirya hanya a gaba don guje wa gefuna masu kaifi na ƙarfe, saman zafi (> 200 ° C), tushen tsangwama mai ƙarfi, ko sassa masu motsi akai-akai. Bar madaukin sabis na kusan mita 1-2 don yuwuwar sake sanya firikwensin firikwensin gaba yayin kiyaye kayan aiki.

5.2 Sensor hawa

1. Shiri na Surface: Ya kamata farfajiyar ta kasance mai tsabta da lebur. Ƙirƙirar ƙaramin ƙasa mai lebur na gida tare da ƙarewar Ra 3.2 μm ko mafi kyau ana ba da shawarar don ingantaccen haɗin injin.

2. Hannun Haɗawa: Kibiya a gefen firikwensin yana nuna matsakaicin axis ɗin sa. Daidaita wannan tare da manufar ma'aunin girgiza (yawanci radial ko axial).

3. Sarrafa karfin juyi: Yi amfani da maƙarƙashiya mai ƙarfi na 15 N·m don ƙara ƙarar sukurori masu hawa M6 guda huɗu a cikin ƙirar crisscross cikin matakai biyu. Ƙunƙarar da yawa na iya lalata tushen firikwensin ko zaren; Ƙarƙashin maƙarƙashiya na iya haifar da mummunan hulɗa, yana shafar ma'auni mai girma.

5.3 Mabuɗin Maɓalli don Dogon Hanyar Kebul

1. Mafi ƙarancin lankwasawa Radius: Yayin shigarwa, mafi ƙarancin lanƙwasawa na kebul ɗin dole ne ya zama ƙasa da sau 10 diamita na waje (yawanci> 100mm). Kauce wa kaifi lankwasa ko kinks.

2. Taimako & Gyarawa:

• Yi amfani da igiyoyin igiyoyi masu jure lalata ko manne, gyara kebul ɗin kowane mita 0.8-1.5 akan madaidaiciyar gudu.

• Dole ne a samar da madauki mai raɗaɗi mai rauni a cikin kusan mita 0.5 na ficewar firikwensin don hana girgizar kayan aiki daga jan haɗin gwiwa kai tsaye.

• Juya kebul ɗin a cikin titin kebul, magudanar ruwa, ko hanyoyin tsere; guje wa barin shi dakatarwa ko batun zirga-zirgar ƙafa.

3. Ƙarƙashin ƙasa: Bi tsarin tsarin tsattsauran ra'ayi don yin ƙasa mai maki ɗaya. Yawanci, garkuwar kebul ya kamata a yi ƙasa a ƙarshen Cajin Amplifier (IPC), kuma jagoran ƙasa ya zama gajere da kauri gwargwadon yiwuwa. Tushen hawan firikwensin yana ƙasa ta jikin injin. Kar a sake ƙasa garkuwar kebul a ƙarshen firikwensin don guje wa madaukai na ƙasa da gabatar da hayaniya.

5.4 Haɗin Wutar Lantarki & Gudanarwa

1. Haɗin kai zuwa Amplifier IPC: Daidai haɗa madaidaicin jagororin tashi na kebul na CA202 (yawanci ja/fari don sigina, rigar garkuwa don ƙasa) zuwa ƙayyadaddun tashoshi masu ƙarfi na IPC da aka yi wa lakabin 'SABARIN SANARWA'. Tabbatar cewa haɗin yana amintacce kuma rufin ya kasance cikakke.

2. Duba Ƙarfin Ƙarfin Tsarin: Bayan haɗi, tabbatar da cewa duk wayoyi na madauki daidai ne kafin kunna shingen tsaro da tsarin sa ido. Kula da alamomin matsayi akan amplifier IPC don aiki na yau da kullun.

3. Tabbatar da siginar: Kula da siginar girgiza don wannan tashar akan tsarin kulawa. Ya kamata a bayyane siffan martani na wucin gadi lokacin da a hankali aka latsa gindin hawan firikwensin, yana ba da tabbaci na farko na hanyar siginar aiki.

5.5 Gargaɗi na Tsaro

• Izinin Ayyukan Wuri Mai Haɗari: Shigarwa ko aikin haɗin kai a wuraren da ba za a iya fashewa ba yana buƙatar aiki mai zafi / izinin aikin lantarki, tabbatar da yankin yana da aminci ta hanyar gano gas.

• Babu Canje-canje: Kwata-kwata hana yanke, tsagawa, ko yunƙurin tsawaita/gajarta babban kebul ɗin CA202. Duk wani lalacewar kebul na dindindin yana lalata takaddun shaida da hatiminsa kuma yana iya lalata firikwensin.

• Professional Qualification: Installation, commissioning, and maintenance personnel must possess appropriate qualifications for working with explosion-proof equipment and electrical knowledge.

  
  

---

6. Dabarun Kulawa & Sabis na Bayan-tallace-tallace

1. Kulawa A Cikin Sabis:

• Duban gani na yau da kullun: Yayin tafiya na kayan aiki na yau da kullun, duba firikwensin da kebul don lalacewar injina, lalata mai tsanani, ko kayan ɗamara mara kyau.

• Duba Wurin Ayyukan Wutar Lantarki: Yayin manyan gyare-gyare, auna juriya na madauki na firikwensin zuwa ƙasa; ya kamata ya kasance a cikin kewayon GΩ.

2. Shirya matsala: Idan tashar ba ta da sigina ko sigina mara kyau:

• Mataki 1: Cire haɗin waya a wuri mai aminci. Yi amfani da multimeter don auna juriya na rufi (ya zama> 1GΩ) da ƙarfin aiki (ya dace da kewayon ƙididdiga) tsakanin wayoyi biyu na siginar a ƙarshen CA202 don tantance lafiyar firikwensin/na USB.

• Mataki 2: Duba IPC amplifier samar da wutar lantarki da fitarwa.

• Mataki na 3: Bincika shingen tsaro da wayoyi na gefen tsarin.

• Adadin gazawar firikwensin yana da ƙasa sosai; Yawancin batutuwan sun samo asali ne daga wayoyi, ƙasa, ko kayan aikin ƙasa.

3. Ayyukan Calibration: Meggitt yana ba da sabis na daidaita yanayin awo na ƙwararru. Shawarar tazarar sakewa da aka ba da shawarar ita ce shekaru 3-5, ko lokacin da firikwensin ya sami matsananciyar buguwa ko ya nuna sabani na tsari idan aka kwatanta da sauran tashoshi. Dole ne a yi gyare-gyare a masana'anta ko cibiyar sabis mai izini.

4. Tallafin Fasaha na Duniya: Meggitt SA yana da rassa da masu rarraba izini a duk duniya, suna ba da cikakken goyan bayan fasaha daga zaɓin samfur da jagorar shigarwa zuwa gano kuskure. Masu amfani za su iya ziyartar gidan yanar gizon hukuma don sabbin takaddun fasaha da bayanan aikace-aikacen.