TQ422 mai jujjuyawar kusancin matsa lamba ne wanda Vibro-Meter ke ƙera shi, wanda aka ƙera musamman don mahalli mai ƙarfi. Yana aiki azaman babban ɓangaren TQ 422 & TQ 432 / EA 402 / IQS 452 tsarin ma'aunin kusanci. Yin aiki akan ƙa'idar eddy na yanzu, wannan firikwensin yana ba da damar auna madaidaicin ma'amala na dangi ko girgiza abubuwan injin motsi. Tsarinsa na musamman yana ba shi damar jure matsi har zuwa mashaya 100, yana mai da shi musamman dacewa da aikace-aikacen aunawa a cikin wuraren da aka nutsar da su kamar famfo mai ruwa, injin turbin ruwa (misali, Kaplan da Francis turbines), da sauran yanayin matsa lamba.
Mai jujjuyawar TQ422 yana samar da cikakkiyar tsarin ma'aunin kusanci lokacin da aka haɗa su tare da madaidaicin siginar siginar IQS 452 da kebul na tsawo na EA 402 na zaɓi. Duk abubuwan da ke cikin wannan tsarin suna musanya, suna tabbatar da sassaucin aiki da dacewa.
TQ422 da TQ432 masu fassarar kusanci iri ɗaya ne. Babban bambanci ya ta'allaka ne a cikin hawan su:
TQ422: An ƙera don hawan gaba. Binciken nasa yana da hular kariya ta BOA (kimanin kauri 0.6mm) a gaba, wanda kuma shine sanadin rashin daidaituwa (-2.4V) a cikin fitarwar wutar lantarki. Ana nuna shi kai tsaye zuwa matsakaicin matsa lamba, yana samar da layin farko na tsaro.
TQ432: An tsara shi don hawan baya. Yawancin lokaci ana shigar da shi daga gefen kishiyar jirgin ruwa, ma'ana ba a fallasa tip ɗin binciken kai tsaye zuwa matsakaicin matsa lamba, sabili da haka baya buƙatar hular kariya ta BOA.
Mabuɗin Siffofin da Halaye
1. Zane-zanen Aikace-aikacen Haɓakawa
An kera na'urar firikwensin ne daga kayan PEEK (polyetheretherketone), mai iya jure matsewar ruwa kai tsaye har zuwa mashaya 100.
An gina jikin mai jujjuyawa daga bakin karfe (1.4435), yana ba da ingantaccen ƙarfin injin da juriya na lalata.
2. Ma'auni mara lamba
Yana aiki dangane da ƙa'idar halin yanzu, wanda baya buƙatar haɗin jiki tare da manufa (yawanci madaurin ƙarfe), don haka guje wa lalacewa da ba da damar ingantaccen ma'auni na dogon lokaci ba tare da gogayya ba.
3. dacewa da Fashewar yanayi
4. Cikakken Tsarin Magani
Haɗe tare da kwandishan siginar IQS 452 don samar da wutar lantarki ko fitarwa na yanzu:
Fitar wutar lantarki (waya 3): Hankali 4 mV/μm, kewayo mai ƙarfi -2.4 V zuwa -18.4 V.
Fitowar Yanzu (waya 2): Hankali 1.25 μA/μm, kewayo mai ƙarfi 15.75 mA zuwa 20.75 mA (yawanci ana amfani da shi tare da rukunin rabuwa na GSI 124 galvanic).
Ana iya amfani da su tare da kebul na tsawo na EA 402 don tsawaita nisan aunawa, samar da cikakken tsarin mita 5 ko 10.
5. Daidaitawar Muhalli
Faɗin zafin jiki mai aiki: Jikin mai juyawa daga -25°C zuwa +140°C (tafi <5%); na USB iya jure -100°C zuwa +200°C.
Babban darajar kariya: IP68 (IEC 529 / DIN 40050), yana ba da cikakkiyar kariya ta ƙura da iya aiki na dogon lokaci na nutsewa.
Kyakkyawan juriya na jijjiga: Zai iya jure rawar jiki na 2 g a cikin kewayon mitar 10 Hz zuwa 500 Hz.
6. Kanfigareshan Kariya na zaɓi
Yana ba da BOA (Braided Outer Armour) zaɓi na bakin karfe wanda aka yi masa sutura, yana ba da ƙarin kariya ta injina don kebul na coaxial na transducer, haɓaka murkushewa da juriya.
Tare da suturar BOA, ƙarfin juriya na haɗin transducer / kebul yana ƙaruwa zuwa mashaya 10 (1 bar ba tare da BOA ba).
Cikakken Ƙa'idar Aiki
TQ422 transducer kusanci yana aiki bisa ka'idar eddy na yanzu, fasahar induction na lantarki da ake amfani da shi don ƙaura mara lamba da ma'aunin girgiza. Sassan da ke gaba suna yin ƙarin bayani kan tsarin aikin sa, tsarin tsarin, da kwararar sigina.
1. Babban Ka'idar Jiki: Eddy A halin yanzu Tasiri
Lokacin da aka sanya madubin ƙarfe a cikin filin maganadisu mai canzawa ko motsi dangane da filin maganadisu, bisa ga dokar Faraday ta shigar da wutar lantarki, igiyoyin rufaffiyar madauki, waɗanda aka sani da igiyoyin ruwa, ana jawo su a cikin madubin. Ƙarfi, rarrabawa, da lokaci na waɗannan magudanar ruwa sun dogara da abubuwa da yawa:
Tazarar dake tsakanin coil da madugu: Wannan shine ma'aunin manufa don aunawa.
Ƙarfin wutar lantarki (σ) da ƙarfin maganadisu (μ) na mai gudanarwa.
Mitar (f) filin maganadisu mai ban sha'awa.
Siffar geometric na mai gudanarwa.
Tushen firikwensin TQ422 shine madaidaicin-rauni wanda aka lullube cikin kayan PEEK a tip ɗin bincike. PEEK robobin injiniya ne mai inganci wanda aka sani don kyakkyawan ƙarfin injin sa, juriyar sinadarai, da ƙarancin ɗanshi. Mahimmanci, yana nuna ƙarancin ƙarancin wutan lantarki da kyawawan kaddarorin watsa igiyoyin ruwa a cikin manyan filayen lantarki, yana tabbatar da cewa baya tsoma baki tare da filin maganadisu ta hanyar nada.
2. Tsarin Aiki
Tsarin aiki na gabaɗayan tsarin ma'aunin kusanci shine tsarin rufaffiyar madauki na 'transmission-induction-demodulation-output':
Ƙarfafa Siginar Maɗaukaki da Watsawa:
Na'urar kwandishan siginar IQS 452 guda biyu tana ƙunshe da babban mitar (HF) oscillator da na'ura mai jujjuyawar juzu'i.
Na'urar kwandishana tana ba da babban motsi na AC na yanzu zuwa ga coil na TQ422 transducer ta hanyar kebul na coaxial.
Halin Filayen Electromagnetic da Eddy na Yanzu:
Madadin halin yanzu da ke wucewa ta cikin nada yana haifar da babban filin mu'amalar maganadisu a kusa da shi.
Lokacin da wannan filin maganadisu ya ratsa tip ɗin binciken PEEK kuma yayi aiki a saman maƙasudin ƙarfe na kusa (misali, injin injin), igiyoyin ruwa suna haifar da igiyoyin ruwa a saman saman abin da ake hari.
Gano Canjin Canji:
Matsalolin da aka jawo da kansu suna haifar da filin maganadisu. A cewar dokar Lenz, wannan filin maganadisu yana adawa da filin nada na asali, wanda hakan ya raunana filin maganadisu na asali.
Wannan tasirin 'raunana' yana bayyana azaman canji a daidai madaidaicin na'urar firikwensin. Maƙarƙashiyar coil's impedance (Z), haɗin juriya (R) da reactance inductive (ωL), yana canzawa a hankali kuma akai-akai tare da bambancin rata tsakanin nada da manufa.
Rage Rage-> Tasirin eddy mai ƙarfi na yanzu -> Babban canji a cikin rashin ƙarfi na coil.
Ƙara Tazara -> Tasirin halin yanzu mai rauni -> Canji ƙarami a cikin abin da ya faru.
Rushe Sigina da Gudanarwa:
Na'urar kwandishan siginar IQS 452 tana ci gaba da lura da canje-canjen da ke cikin maƙarƙashiyar na'urar firikwensin.
Da'irar da'ira ta cikin gida tana jujjuya (yana ƙididdigewa) wannan babban madaidaicin matsananciyar canji zuwa wutar lantarki ta DC madaidaiciya ko siginar halin yanzu daidai gwargwado ga rata.
Na'urar kwandishan tana amfani da ingantattun abubuwa don tabbatar da daidaiton sigina da daidaito, kuma yana ba da kariya ta gajeriyar kewayawa.
Fitarwa da Daidaitawa:
Yanayin Wutar Lantarki: Fitarwa -2.4 V a ƙaramin tazara (yawanci yana tasiri da hular kariya) da -18.4 V a matsakaicin tazara (4 mm).
Yanayin Yanzu: Fitarwa 15.75mA a mafi ƙarancin rata da 20.75mA a matsakaicin rata.
An daidaita tsarin masana'anta a +23 ° C ± 5 ° C ta amfani da takamaiman kayan da aka yi niyya (VCL 140 karfe, 1.7225).
Fitowar ƙarshe sigina ce mai mizani sosai zuwa nesa:
3. Halayen Tsari da Diyya
Matsakaicin Zazzabi: Tsarin ya haɗa da ramuwa na zafin jiki don rage tasirin bambance-bambancen yanayin zafi akan daidaiton aunawa, yana tabbatar da tuƙi ya kasance ƙasa da 5% a faɗin kewayon zafin jiki na -25°C zuwa +140°C.
Canjin Tsawon Tsawon Wutar Lantarki (Tsarin Lantarki): Saboda sigogin da aka rarraba (ikon, inductance) na kebul na coaxial da ke shafar watsa siginar siginar mai girma, tsarin yana da ƙarancin buƙatu don jimlar kebul na tsawon (TSL - Total System Length, watau, transducer integral cable + EA402 tsawo na USB) (tsarin 5m.4m) ≥8.8m) don tabbatar da ingantaccen tsarin aiki da musayar transducer.
Abubuwan Bukatun Maƙasudi: Hannun firikwensin firikwensin da layin layi suna da alaƙa da haɓakar wutar lantarki da ƙarfin maganadisu na abin da ake nufi. Daidaitaccen daidaitawa yana dogara ne akan VCL 140 karfe. Idan abin da ake nufi ya bambanta, dole ne a samar da samfurin don daidaitawa na musamman.
Yankunan aikace-aikace
Saitin Generator na Hydroelectric: Ma'auni na ƙaura dangi, girgizawa, da guduwar raƙuman ruwa a cikin injin turbin ruwa daban-daban kamar Francis da Kaplan.
Famfunan Ruwa na Submersible: Kula da yanayin aiki mai ƙarfi na magudanar ruwa a cikin mahalli mai tsananin matsi na ƙarƙashin ruwa.
Injin Juyawa na Masana'antu: Matsar da matsuguni da saka idanu na girgiza don kayan aiki masu mahimmanci kamar compressors, injin turbin gas, da injin tururi.
Duk wani aikace-aikacen da ke buƙatar ma'aunin ƙaura mara lamba a cikin babban matsi, mai haɗari (fashewa), ko mahalli mai nutsar da ruwa.
