CA901 144-901-000-282 Piezoelectric Accelerometer

CA901 piezoelectric accelerometer babban na'urar sa ido na rawar jiki ce ta VM ta haɓaka don aikace-aikacen yanayi mai tsananin gaske. Wannan samfurin yana amfani da kayan aikin piezoelectric guda ɗaya-crystal da fasaha, yana ba da ƙwaƙƙwaran yanayin zafin jiki da aminci, mai ƙarfin aiki mai ƙarfi tsakanin matsanancin zafin jiki na -186°C zuwa +700°C. CA901 ya dace musamman don buƙatun sassan masana'antu kamar masana'antar makamashin nukiliya, sararin samaniya, da masana'antar petrochemical, saduwa da buƙatun saka idanu na girgiza a wurare daban-daban.

Wannan accelerometer yana amfani da ƙirar yanayin matsawa sanye take da kebul ɗin ma'adinan ma'adinai, yana ba da kyakkyawan aikin rufin lantarki da ƙarfin injina. Samfurin ya bi umarnin NRC Guide 1.133, IEEE 323-1974 ma'auni, kuma an ba shi bokan bisa ga DIN 25.475.1, yayin da kuma samun takaddun shaida na fashewa don amfani mai aminci a cikin yuwuwar fashewar yanayi. Ƙaƙƙarfan ƙirar ƙirar sa da ƙaƙƙarfan kayan gida yana ba shi damar jure matsanancin yanayi ciki har da matsa lamba da babban radiation.

CA901 yana ba da kewayon amsa mitar 3Hz zuwa 2800Hz da azanci na 10pC/g, yana ba da damar kama daidai siginar girgiza na inji daban-daban. Ko don saka idanu kan layi na dogon lokaci ko aikace-aikacen gwaji na haɓaka, wannan na'urar na iya samar da ingantaccen ingantaccen bayanan aunawa, yin aiki a matsayin shaida mai mahimmanci don lura da yanayin kayan aiki da gano kuskure.

Ƙa'idar Aiki

CA901 piezoelectric accelerometer yana aiki bisa ka'idar tasirin piezoelectric, yana haɗa nau'ikan fasaha masu yawa. Ana iya fayyace tsarin aikin daki-daki ta hanyar abubuwa masu zuwa:

1. Tasirin Piezoelectric da Halayen Material Single-Crystal

Tushen na'urar yana amfani da nau'in nau'in VC2 guda ɗaya-crystal piezoelectric abu, wanda ke ba da kyawawan kaddarorin piezoelectric da kwanciyar hankali. Lokacin da accelerometer ya fuskanci girgizar injina, taro yana amfani da ƙarfin matsawa zuwa kristal piezoelectric. Dangane da ka'idar tasirin piezoelectric kai tsaye, polarization na lantarki yana faruwa a cikin kristal, tsarin lattice yana lalacewa, yana haifar da ƙaurawar cibiyoyin caji, ta haka ne ke haifar da siginar caji daidai da ƙarfin da aka yi amfani da shi akan farfajiyar crystal. Kayayyakin-crystal guda ɗaya idan aka kwatanta da kayan polycrystalline suna nuna mafi girman madaidaicin piezoelectric da mafi kyawun yanayin zafin jiki, yana riƙe da ingantaccen fitarwa a cikin matsanancin yanayin zafi.

Tsarin lattice na musamman na VC2 guda-crystal abu yana ba shi damar kiyaye halayen piezoelectric a cikin yanayin zafi mai zafi, tare da zafin jiki na Curie wanda ya wuce kayan aikin piezoelectric na al'ada, wanda shine mabuɗin samun +700 ° C babban aiki mai zafi. An ƙera madaidaicin madaidaicin kristal don haɓaka ƙimar piezoelectric yayin da ake rage yawan zafin jiki, yana tabbatar da daidaiton aiki a duk faɗin yanayin zafin aiki.

2. Tsarin Matsi da Tsarin Injini

Yin amfani da ƙirar yanayin matsawa, an riga an ɗora ɓangaren piezoelectric tsakanin tushe da taro, yana samar da ingantaccen tsarin inji. Wannan ƙira yana ba da ƙarfi mai ƙarfi, yana ba da firikwensin babban mitar resonant (> 17kHz), yana tabbatar da amsa lebur a cikin kewayon mitar mai faɗi. Yanayin matsawa yana ba da mafi kyawun yanayin zafin jiki idan aka kwatanta da yanayin shear, yana sa ya fi dacewa da aikace-aikacen yanayin yanayin zafi mai tsanani.

Tsarin injina yana amfani da ƙira mai ma'ana don rage kurakuran ma'auni da ke haifar da matsananciyar zafi. Gidan yana amfani da kayan alloy na Inconel 600, yana ba da kyakkyawan ƙarfin zafin jiki da juriya na lalata. An inganta tsarin gaba ɗaya ta hanyar bincike mai ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aiki a yayin hawan keken zafi, guje wa faɗuwar aiki saboda rashin daidaituwar haɓakar haɓakar zafi.

3. Ƙirƙirar Sigina da Tsarin Watsawa

Na'urar tana haifar da siginar fitarwa na caji tare da azanci na 10pC/g±5%. Yanayin fitarwa na caji yana ba da fa'idar kasancewa rashin tasiri ta ƙarfin ƙarfin kebul, musamman dacewa da watsa sigina mai nisa. Matsakaicin firikwensin na ciki shine 80pF (tsakanin sanduna) da 18pF (tsakanin sandar sanda da harka), yayin da karfin kebul shine 200pF/m (tsakanin sanduna) da 300pF/m (tsakanin sanda da harka).

Ana watsa siginar caji ta hanyar kebul na ma'adinan ma'adinai, wanda ke amfani da murfin magnesium oxide da bakin karfe, yana ba da kyakkyawan yanayin zafin jiki da ƙarfin injina. Kebul ɗin yana haɗe da firikwensin ta amfani da walda na hermetic, yana samar da tsarin da aka rufe gaba ɗaya wanda ke hana danshi da kutse mai gurɓataccen abu. Wannan zane yana tabbatar da dogaro na dogon lokaci a cikin matsanancin yanayi.

4. Matsakaicin Yanayin Zazzabi da Tsabtace Tsabtace

VC2 guda-crystal abu yana da ƙarancin ƙarancin zafin jiki, yana riƙe da kwanciyar hankali a cikin kewayon zafin aiki na -54°C zuwa +650°C. Jagoran yankan kristal na musamman da ƙirar lantarki yana ƙara haɓaka halayen zafin jiki, rage tasirin canjin zafin jiki akan daidaiton ma'auni.

Na'urar tana amfani da ƙirar ƙirar yanayin zafi don rage tasirin matakan zafin jiki akan ma'auni. Zaɓin kayan gida yana la'akari da haɓaka haɓakar thermal don guje wa canje-canjen aikin da ya haifar da damuwa na thermal. Waɗannan fasalulluka na ƙira tare suna tabbatar da daidaiton ma'auni a cikin matsanancin yanayin zafi.

5. Fasahar Kare Muhalli da Rufewa

Na'urar firikwensin yana amfani da fasahar waldawa ta hermetic, tare da rufe gidaje gaba ɗaya don tsayayya da zafi, lalata sinadarai, da tasirin radiation. Kayan gidaje na Inconel 600 yana ba da kyakkyawan juriya na lalata, wanda ya dace da yanayin masana'antu daban-daban.

Kebul ɗin da aka keɓance ma'adinai ba wai kawai yana samar da rufin lantarki ba har ma da kariya ta injina. Kwancen bakin karfe na kebul na iya jure wa matsin lamba na 140bar (a 23 ° C) da 80bar (a 300 ° C), yana tabbatar da ingantaccen aiki a cikin yanayin matsa lamba.

6. Fashe-Tabbacin Tsare Tsare

An tabbatar da na'urar ta nau'in gwajin nau'in EC (LCIE 08 ATEX 6017 X II 1 G), tare da biyan buƙatun amfani don yankin 0/1/2 masu haɗari. Yin amfani da ƙirar aminci na cikin gida (Ex ia), ana hana tartsatsin kunna wuta a ƙarƙashin yanayi mara kyau ta iyakance ƙarfin kewaye.

Matakan kariya sun haɗa da iyakokin da'irar makamashi da shingen tsaro, tabbatar da bin buƙatun tabbatar da fashewa a ƙarƙashin duk yanayin aiki. Wannan ƙirar tana ba da damar aikace-aikacen aminci a cikin yuwuwar fashewar yanayi.

7. Radiation Resistance Design

VC2 guda-crystal abu yana da kyakkyawan kwanciyar hankali na radiation, mai iya jurewa γ radiation flux na 10 ^ 11 erg / g da neutron radiation flux na 10 ^ 18 n / cm 2 ba tare da wani tasiri ba. Wannan taurin radiation ya sa ya dace musamman don aikace-aikace a cikin yanayin radiation kamar tsire-tsire na makamashin nukiliya.

Zaɓin kayan aiki da ƙirar tsarin duka suna la'akari da kwanciyar hankali na dogon lokaci a cikin yanayin radiation, tabbatar da ingantaccen aiki a ƙarƙashin yanayin radiation.

Siffofin

CA901 piezoelectric accelerometer yana ba da fa'idodi da yawa don saduwa da buƙatun saka idanu a cikin matsanancin yanayi:

1. Matsanancin Adawa da Zazzabi

Yanayin zafin jiki mai faɗi sosai: ci gaba da aiki -54°C zuwa +650°C, matsananciyar yanayi -196°C zuwa +700°C. Wannan kewayon zafin jiki ya ƙunshi mafi yawan matsananciyar yanayin masana'antu, gami da cryogenic da yanayin aikace-aikacen zafi mai zafi.

2. Ayyukan Auna Maɗaukaki Mai Girma

Yana ba da hankali na 10pC/g, kewayon ma'auni mai ƙarfi 0.001g zuwa 200g kololuwa. Kyakkyawan layin layi, cimma ± 1% a cikin kewayon mai ƙarfi. Juya hankali ƙasa da 5%, yana tabbatar da daidaiton aunawa.

3. Kyakkyawan Dorewar Muhalli

Inconel 600 gidaje yana ba da kyakkyawan juriya na lalata, ƙirar hatimin hermetic yana tsayayya da danshi da gurɓatawa. Zai iya jure wa matsin lamba na 140bar, saduwa da buƙatun aikace-aikacen yanayi mai ƙarfi.

4. Ƙarfin Radiation Resistance

Zai iya jure babban allurai na γ radiation da neutron radiation, wanda ya dace don amfani a cikin mahalli na radiation kamar tsire-tsire na makamashin nukiliya. Zaɓin kayan abu da ƙirar tsari an inganta su don kwanciyar hankali na dogon lokaci a ƙarƙashin yanayin radiation.

5. Cikakken Takaddun Takaddun Tsaro

Shaida ta hanyar ma'auni na duniya da yawa: Jagoran NRC 1.133, IEEE 323-1974, DIN 25.475.1, da takaddun shaida na fashewar ATEX. Ya dace da buƙatun ma'auni na masana'antu masu tsauri daban-daban.

6. Zaɓuɓɓukan Kanfigareshan Mai sassauƙa

Yana ba da zaɓin tsayin kebul da yawa: mita 3.5, mita 5, mita 8, mita 12.5, sanye take da Lemo ko masu haɗa zafi mai zafi. Madaidaitan nau'ikan tabbacin fashe akwai don biyan buƙatun aikace-aikace daban-daban.

Takaitaccen Bayanin Fasaha

Yankunan aikace-aikace

Accelerometer CA901 piezoelectric accelerometer ana amfani da shi a fannoni masu zuwa:

• Makarantun Wutar Lantarki na Nukiliya: Kula da rawar jiki na kayan ciki da na gefe a cikin reactors

• Aerospace: Gwajin jijjiga na injuna da abubuwan zafi mai zafi

• Masana'antar Petrochemical: Kula da yanayin kayan aiki a cikin yanayin zafi mai zafi da matsananciyar yanayi

• Masana'antar Makamashi: Kula da rawar jiki na injin turbin gas da injin tururi

• Filin Bincike: Bincike na kayan abu da ɗabi'a a cikin matsanancin yanayi