Mai jujjuya saurin CV214 babban na'urar ma'aunin girgiza ce daga VM Sensing Systems, musamman wanda aka ƙera don saka idanu mai ƙarancin mitar girgiza. Ya dace da mahallin masana'antu daban-daban, ya yi fice musamman wajen sa ido kan girgizar injinan jujjuyawar jinkirin. Ƙarfin gininsa, matsakaicin zafin aiki mai aiki, da yanayin samar da kai ya sa ya zama kyakkyawan zaɓi don kayan aiki masu mahimmanci kamar injin lantarki da injin tururi, musamman dacewa don aikace-aikacen matsakaici-zuwa ƙasa.
Fasaloli & Fa'idodi
1. Faɗin Amsar Mitar & Babban Hankali
CV214 yana ba da kewayon amsa mitoci mai faɗi daga 10 Hz zuwa 1 kHz, yana mai da shi ƙwarewa musamman wajen ɗaukar siginonin girgizar ƙasa kaɗan. Ƙwararren ƙira shine 20 mV / mm / s (508 mV / in / s), tare da juriya na ± 5% a 22 ° C, yana tabbatar da daidaitattun bayanai na girgizawa ko da akan na'urori masu sauri. Matsakaicin amsawar mai canzawa shine ± 0.5 dB kawai a cikin kewayon 30-400 Hz da ± 1 dB a cikin kewayon 400 Hz–1 kHz, tare da ma'ana -3 dB a 10 Hz, yana tabbatar da kyawawan halaye na layi.
2. Aikin Samar da Kai (Babu Ƙarfin da ake buƙata)
Yin aiki akan ƙa'idar shigar da wutar lantarki, wannan transducer baya buƙatar samar da wutar lantarki ta waje. Yana haifar da siginar fitarwar wutar lantarki daidai da saurin girgiza. Wannan fasalin yana sa ya dace musamman don tsarin ma'aunin šaukuwa ko aikace-aikacen sa ido mai nisa inda wutar lantarki ta iyakance ko maras so. Ƙarƙashin ƙarancin fitarwa (<700 Ω) yana tabbatar da babban siginar sigina-zuwa-amo da ƙaƙƙarfan rigakafi a lokacin watsa sigina.
3. Kyakkyawan Dorewar Muhalli
CV214 yana aiki da dogaro a yanayin zafi daga -29°C zuwa 121°C (-20°F zuwa 250°F). Yana alfahari da ƙimar kariyar IP64, yana mai da shi juriya ga ƙura da shigar danshi, kuma ya dace da damshi, lalata, ko mahallin masana'antu mai ƙura. Juriyar rufinta na ciki ya fi 10⁷ Ω a yanayin zafi, yana tabbatar da amincin lantarki da kwanciyar hankali.
4. Takaddun shaida na wurare masu haɗari
An ba da takardar shedar transducer don amfani a cikin yanayi mai yuwuwar fashewa ta ma'auni na duniya daban-daban, gami da Turai ATEX, Arewacin Amurka cCSAus, Korean KGS, da Rashanci TR CU. An amince da shi don amintaccen aiki a wurare masu haɗari (misali, Yanki 0/1/2 ko Division 1). Ƙayyadaddun abubuwan da ke tabbatar da fashewarsa shine Ex ia IIC T6…T4 Ga, dace da daidaitattun azuzuwan zafin jiki a cikin mahalli masu haɗari.
5. Gine-ginen Injini mai Karɓa
An gina gidan firikwensin daga anodized Anticorodal 100 aluminum gami. Ƙafafun da ke ɗagawa an yi shi da Rylon®, babban ma'auni na thermoplastic, kuma dunƙule mai hawan bakin karfe ne (AISI 304). Wannan haɗin yana tabbatar da tsayin daka da juriya na lalata. Mai jujjuyawar na iya jure saurin girgiza 50 g kololuwar (rabin-sine kalaman, tsawon 1 ms).
6. Zaɓuɓɓukan hawa masu sassauƙa
Ana iya shigar da CV214 a cikin ± 100 ° na matsayi na tsaye, yana ɗaukar shimfidu na inji daban-daban. Ƙwararrun hawan da aka ba da shawarar shine 6 N · m, yana tabbatar da kafaffen shigarwa ba tare da lalata kayan aiki ba. Tushen hawa yana fasalta ramin 1/2-20UNF-3A da aka taɓa, wanda ya dace da daidaitattun ƙayyadaddun hawa.
7. Ba a buqatar siginar kwandishan
Mai watsawa yana ba da siginar fitarwa na wutar lantarki wanda za'a iya haɗa kai tsaye zuwa saka idanu na lantarki, kawar da buƙata da farashin da ke hade da ƙarin ƙirar siginar sigina, don haka sauƙaƙe tsarin haɗin kai. Watsawar siginar tana amfani da tsarin waya 2 wanda aka keɓe daga rumbun, yana haɓaka aminci da aminci.
8. Ƙarƙashin Ƙarfafawa
Matsakaicin hankali mai juzu'i shine ± 10%, yana tabbatar da mai jujjuyawar yana da mahimmanci ga girgizar axial. Wannan yana rage tasirin ji na giciye akan sakamakon aunawa kuma yana inganta daidaiton bayanai.
Ƙa'idar Aiki
Mai jujjuya saurin CV214 yana aiki bisa ka'idar shigar da wutar lantarki. Babban jigon sa ya ƙunshi murɗa mai motsi da ƙayyadadden maganadisu na dindindin. Lokacin da aka ɗora transducer akan tsarin rawar jiki, girgizar tana haifar da nada don motsawa dangane da maganadisu. Bisa ga ka'idar shigar da wutar lantarki ta Faraday, wannan motsi yana haifar da ƙarfin lantarki (voltage) a cikin nada, wanda yayi daidai da saurin girgiza kai tsaye.
Cikakken Injin Aiki:
Canja wurin Vibration: Ana canja wurin girgizawa daga saman injin zuwa tsarin injin firikwensin ciki ta hanyar hawan sa.
Motsin Tsarin Inertial: Tsarin inertial na ciki (ciki har da coil) yana motsawa dangane da mahalli (da maganadisu) ƙarƙashin tasirin girgiza. Nada yana yanke layukan jujjuyawar maganadisu na kafaffen filin maganadisu wanda magnet ɗin dindindin ya haifar.
EMF Generation: Yanke layin juzu'in maganadisu yana haifar da ƙarfin lantarki (EMF) a cikin nada. A cewar dokar Faraday, girman EMF ya yi daidai da adadin da coil ɗin ke yanke layukan juyi, watau daidai da saurin girgiza.
Fitar da siginar: Ana watsa siginar wutar lantarki da aka samar zuwa kayan aikin sa ido ta hanyar haɗin MIL-C-5015 10 SL-4 mai nau'in haɗin kai na soja da kebul mai dacewa. Girman siginar kai tsaye yayi daidai da saurin girgiza.
Amsa Mitar: Tsarin injina (tsarin taro-spring-damper) na firikwensin yana ƙayyade halayen mita. An ƙera mitar ta na halitta don zama 10 Hz ± 1 Hz. A cikin wani takamaiman kewayon sama da mitar yanayi (10 Hz - 1 kHz), siginar fitarwa a layi daya yana bin canjin saurin girgiza. Amsar mitar-mita na al'ada shine: -3 dB a 10 Hz, ± 0.5 dB tsakanin 30-400 Hz, da ± 1 dB tsakanin 400 Hz–1 kHz.
Amfani:
Ikon Kai: Ba ya buƙatar samar da wutar lantarki na waje, yana sauƙaƙe tsarin gine-gine, yana kawar da hayaniya daga layin wutar lantarki, kuma yana da kyau ga mahalli masu haɗari ko wurare masu nisa.
Babban Dogaro: A matsayin na'ura mai wucewa, tana da ƴan sassa masu motsi da kayan lantarki. Tsarinsa mai sauƙi yana da ƙarfi kuma mai ɗorewa, yana ba da dogon lokaci tsakanin gazawa (MTBF).
Babban Siginar-zuwa-Amo Ratio: Girman siginar fitarwa yana da girma (20 mV / mm / s), kuma ƙarancin fitarwa (<700 Ω) yana ba da kariya mai ƙarfi ga tsangwama na lantarki, yana sa ya dace da watsa nisa mai nisa.
Martanin Tsayayyen Lokaci: Matsakaicin martanin lokaci a duk faɗin rukunin mitar ya dace da tsarin gano lokaci-lokaci, yana sauƙaƙe nazarin lokaci daidai.
Ma'aunin Gudun Kai Tsaye: Gudun girgiza shine siga da International Organisation for Standardization (ISO) ke amfani da ita don tantance tsananin girgizar na'ura. CV214 kai tsaye yana fitar da sigina daidai gwargwado ga saurin gudu, yana kawar da buƙatar haɗin kai ko bambancewa da guje wa kurakurai masu alaƙa da sauye-sauyen lokaci.
Aikace-aikace
Ana amfani da CV214 da farko a fannoni masu zuwa:
Masu Samar da Wutar Lantarki: Kula da girgizar injin turbines, jigon janareta, da firam ɗin, musamman dacewa da daskararrun mahalli na tsire-tsire masu ƙarfin ruwa.
Turbin Turbines: Ya dace da lura da girgizar ƙasa akan mahimman abubuwan kamar tsaka-tsaki da ƙarancin matsa lamba, da gidaje masu ɗaukar nauyi. Yanayin zafinta ya ƙunshi buƙatun mafi yawan aikace-aikacen injin tururi.
Injin Masana'antu Slow-Speed: Irin su fanfo, famfo, compressors, gearboxes, da manyan injina don saka idanu da kariyar girgizar yau da kullun.
Tsarukan Aunawar Jijjiga Mai ɗaukar nauyi: Babu buƙatar wutar lantarki da ke sauƙaƙe shigarwa na ɗan lokaci da bincika tabo akan rukunin yanar gizon, yana mai da shi ingantaccen kayan aiki ga injiniyoyin PdM (Tsarin Kulawa).
Yanayi mai yuwuwar fashewa: Tare da cikakkun takaddun shaida mai tabbatar da fashewa, ana iya amfani da shi a wurare masu haɗari tare da iskar gas mai ƙonewa ko ƙura a masana'antu kamar mai, gas, da sinadarai.
Madaidaicin Kebul & Shawarar Shigarwa
An ƙera CV214 don amfani tare da haɗin kebul na ED121 da aka keɓe. Wannan kebul ɗin yana da tsawon mita 15 na ƙididdiga, siffofi masu murɗaɗɗen nau'i-nau'i da garkuwa (2 × 0.5 mm² maɗaɗɗen murhu), kuma yana da PTFE (Polytetrafluoroethylene) babban kube, yana ba da kyakkyawan juriya na sinadarai da kaddarorin zafin jiki. Yanayin zafin aikinsa shine -65°C zuwa 121°C. An ƙare kebul ɗin tare da mai haɗin MIL-C-5015 10SL-4SN, yana daidaita daidai da mahaɗin firikwensin.
A cikin matsananciyar mahalli na masana'antu (misali, tare da haɗarin babban zafin jiki, ɓarna, ko murkushewa), ana ba da shawarar don kare haɗin kebul tare da madaidaicin mashin ƙarfe mai sassauƙa (m kube mai sassauƙa) don kariya ta inji.
Yayin shigarwa, tabbatar da cewa saman hawan firikwensin yana da tsabta kuma mai lebur don cimma ingantacciyar amsawar mitar da daidaiton aunawa. Ƙaddamar da dunƙule masu hawa zuwa madaidaicin madaidaicin 6 N·m don tabbatar da isassun taurin hawa, yayin da guje wa ƙullewa wanda zai iya lalata firikwensin ko zaren kayan aiki.
Takaitaccen Bayanin Maɓalli
Ƙa'idar Aiki: Matsar da na'urar lantarki na lantarki
Hankali: 20 mV/mm/s (508mV/in/s) ±5% (@100 Hz, 22°C)
Matsakaicin Mitar: 10 Hz - 1 kHz (-3 dB @ 10 Hz)
Mitar Resonant: 10 Hz ± 1 Hz
Hankali mai jujjuyawa: Max. ± 10%
Ƙaddamar da fitarwa: <700 Ω
Yanayin Aiki: -29°C zuwa 121°C (-20°F zuwa 250°F)
Ajiya Zazzabi: -40°C zuwa 100°C (-40°F zuwa 212°F)
Matsayin Kariya: IP64 (IEC 60529)
Resistance Shock: 50 g kololuwa (rabin-sine kalaman, tsawon 1 ms)
Mai haɗawa: MIL-C-5015 10 SL-4 (wanda aka ɗaura a gefe)
Ƙarfin Ƙarfafawa: 6 N·m
Nauyi: kimanin. 0.4 kg
Takaddun Takaddun Takaddun Fashe: ATEX, cCSAus, KGS, TR CU (duba Ƙididdiga don ƙarin cikakkun bayanai)
