TQ402 Proximity Transducer shine ainihin ɓangaren TQ402/TQ412, EA402, da IQS900 tsarin ma'aunin kusanci. Wannan tsarin yana samar da cikakkiyar ma'aunin ma'auni mara lamba ba tare da tuntuɓar ma'auni ba bisa ƙa'idar eddy na yanzu, wanda aka ƙera musamman don kula da yanayi da kariya na injin jujjuyawar masana'antu.
An san shi don madaidaicin madaidaicin sa, aminci, da juriyar muhalli na musamman, ana amfani da transducer na TQ402 a cikin kayan aiki masu mahimmanci kamar injin tururi, injin turbin gas, injin injin injin lantarki, janareta, turbo-compressors, da famfo don auna ma'aunin girgiza shaft da matsayi axial. Tsarin tsarin ya bi ka'idodin API 670 kuma yana samuwa a cikin nau'ikan da aka ba da izini don amfani a cikin yanayi mai yuwuwar fashewa, yana mai da shi kyakkyawan zaɓi don manyan aikace-aikacen masana'antu.
II. Mabuɗin Siffofin
Babban Ma'aunin Ma'auni da Mara Tuntuɓi
TQ402 daidai yake auna sauye-sauye na mintuna kaɗan a cikin tazarar da ke tsakanin tip ɗin binciken da saman ƙarfen da aka yi niyya, yana mai da su zuwa siginonin lantarki masu dacewa. Wannan hanyar da ba ta tuntuɓar juna tana nisantar sawa akan abubuwan da ke jujjuyawa, yana mai da shi daidai dacewa don matsananciyar yanayin aiki da ya ƙunshi babban gudu da yanayin zafi.
Cikakkun Abubuwan Musanya
Tsarin Tsarin Tsarin Ma'auni (ciki har da binciken TQ402/TQ412, igiyoyin tsawo na EA402, da kwandishan siginar IQS900) an daidaita shi daidai, tare da duk abubuwan da ake iya canzawa. Masu amfani za su iya maye gurbin kowane sashi ba tare da buƙatar haɗaɗɗiyar daidaitawa akan rukunin yanar gizo ko sake daidaitawa ba, kiyaye ƙayyadaddun aikin tsarin. Wannan yana sauƙaƙa sauƙi sosai kuma yana rage farashin kaya.
Faɗin Ma'auni da Zaɓuɓɓukan Fitarwa
Tsarin yana ba da daidaitattun jeri na ma'auni guda biyu: 2 mm (0.15 zuwa 2.15 mm) da 4 mm (0.3 zuwa 4.3 mm). IQS900 na'urar kwandishan siginar yana samar da duka ƙarfin lantarki (-1.6 V zuwa -17.6 V) da na yanzu (-15.5 mA zuwa -20.5 mA) zaɓuɓɓukan fitarwa, sauƙaƙe haɗin kai tare da tsarin saka idanu daban-daban na baya kamar VM600 ko VibroSmart®.
Ƙarfin Muhalli Na Musamman
Yanayin Zazzabi: Jikin transducer yana aiki da dogaro daga -40°C zuwa +180°C tare da drift kasa da 5%, kuma zai iya tsira ga ɗan gajeren lokaci har zuwa +220°C.
Ƙididdiga Kariya: Tushen bincike da ɓangaren haɗin kebul an ƙididdige su IP68, suna kariya daga shigar ƙura da tsawaita nutsewa cikin ruwa.
Ƙarfin Injini: Yana iya jure wa 5 g ganiya girgiza (10-500 Hz) da 15 g ganiya girgiza (11 ms duration), tabbatar da barga aiki a cikin sosai rawar jiki yanayi.
Gina Jiki Mai Karya
Tukwici na Bincike: Yana fasalta coil ɗin da aka lulluɓe a cikin tulun da aka ƙera daga Torlon® (polyamide-imide), yana ba da kyakkyawan juriya mai zafi, juriyar lalata, da ƙarfin injina.
Jikin Mai Canjawa: An Gina daga AISI 316L bakin karfe kuma an girka shi da resin epoxy mai zafi mai zafi, yana tabbatar da ƙarfi da dorewa gabaɗaya.
Kebul da Masu Haɗi: Yana amfani da kebul na coaxial 75 Ω tare da rufin FEP, 3.6 mm a diamita. Masu haɗin kai ƙananan nau'ikan coaxial ne masu kulle kai, waɗanda ke kulle amintacce tare da ɗaure hannu kuma suna fasalta tsarin hana sassautawa.
Cikakkun Takaddun Takaddun Takaddun Tsaro da Biyayya
Ana samun TQ402 a cikin nau'ikan da aka tabbatar don amfani a wurare masu haɗari, gami da:
Ex ia Tsaro na Cikin Gida (na Yanki 0, 1, 2).
Ex nA Mara Hatsari (na Yanki 2).
Bugu da ƙari, tsarin ya bi ƙa'idodi da ƙa'idodi na duniya da yawa kamar CE, EAC, da RoHS.
III. Ƙa'idar Aiki
Mai fassara kusancin TQ402 da tsarin sa suna aiki bisa tushen ainihin ka'idar zahirin tasirin eddy na yanzu. Wadannan cikakkun bayanai game da cikakken tsari daga tsarar siginar zuwa fitarwa ta ƙarshe.
1. Ƙirƙirar Eddy Tasirin Yanzu
Zuciyar firikwensin TQ402 shine madaidaicin murɗa mai rauni, wanda aka ƙera a cikin tukwici na binciken Torlon®. Lokacin da aka kunna tsarin, na'urar kwandishan siginar IQS900 mai rakiyar tana ba da wannan coil tare da babban juzu'i mai canzawa (yawanci 1-2 MHz). Dangane da ka'idodin electromagnetism, wannan madaidaicin halin yanzu yana haifar da babban juzu'i mai jujjuya wutar lantarki a kusa da tip ɗin bincike.
Lokacin da binciken ya tunkari maƙasudin ƙarfe na ƙarfe (misali, mashin ƙarfe na injin), wannan madaurin wutar lantarki yana ratsa wurin da ake niyya. Dokar Gabatarwa ta Faraday ta nuna cewa canjin yanayin maganadisu yana haifar da rufaffiyar igiyoyin kewayawa, wanda aka sani da igiyoyin ruwa, a cikin madugu. Yawai da tsananin waɗannan magudanar ruwa suna da alaƙa da tazarar da ke tsakanin binciken da manufa.
2. Canjin Canji da Gano Sigina
Matsalolin da aka jawo da kansu suna haifar da wani filin lantarki mai adawa da juna (Dokar Lenz), wanda ke mu'amala da ainihin filin da na'urar bincike ta samar. Wannan hulɗar tana haifar da canji a cikin ingantaccen tasirin AC na na'urar bincike. Musamman, yayin da nisa ke raguwa, tasirin haɗakarwa yana ƙarfafawa, tasirin eddy na yanzu ya zama mafi mahimmanci, kuma rashin ƙarfi na nada yana ƙaruwa. Sabanin haka, yayin da nisa ya karu, raguwa yana raguwa.
Don haka, tazarar tazarar da ke tsakanin binciken da abin da aka sa a gaba tana jujjuya kai tsaye zuwa wani canji a cikin na'urar firikwensin TQ402. Wannan canjin impedance yana ƙunshe da bayanai game da duka a tsaye (matsakaicin nisa) da tsauri (vibration) al'amuran rata.
3. Sigina Conditioning da Demodulation
Matsayin na'urar kwandishan siginar IQS900 ita ce ganowa da aiwatar da wannan canjin rashin ƙarfi na dabara. Yana ƙunshe da madaidaicin da'irar modulator/demodulator. Na'urar kwandishana tana ci gaba da lura da canje-canje a cikin siginar tuƙi da aka kawo zuwa ga coil wanda ya haifar da bambancin rashin ƙarfi.
Ta hanyar lalata siginar mitoci mai girma da aka dawo, IQS900 yana fitar da wutar lantarki daidai da abin da ke yanzu daidai da tazarar tazarar. Wannan tsari yana tace maɗaukakin maɗaukakin igiyar ruwa, yana barin siginar ƙananan mitar (DC zuwa 20 kHz) kawai mai alaƙa da nisa.
4. Linearization da fitarwa
An haɓaka siginar da aka lalatar kuma an daidaita shi, an canza shi zuwa ma'auni, fitarwar siginar lantarki mai sauƙin aunawa:
Yanayin Fitar da Wutar Lantarki: Yana fitar da wutar lantarki ta DC daidai da rata, tare da hankulan hankali na 8 mV/μm (200 mV/mil) don kewayon 2mm, ko 4 mV/μm (100 mV/mil) don kewayon 4mm. Fitowar layi yana yawanci jeri daga -1.6 V (mafi ƙarancin rata) zuwa -17.6 V (mafi girman rata).
Yanayin Fitarwa na Yanzu: Yana fitar da daidaitattun daidaitattun halin yanzu zuwa rata, tare da hankulan 2.5 μA/μm (62.5 μA/mil) ko 1.25 μA/μm (31.2 μA/mil). Fitowar layi yana yawanci jeri daga -15.5mA (mafi ƙarancin rata) zuwa -20.5 mA (mafi girman rata).
Tsarin yana nuna kyakkyawan layi a cikin kewayon da aka ƙayyade (misali, 2mm ko 4mm), yana tabbatar da ingantacciyar ma'amala tsakanin ƙarfin fitarwa / na yanzu da tazarar inji.
5. Rabuwar Sigina Masu Tsayuwa da Tsayuwa
Siginar fitarwa ta ƙarshe ta ƙunshi abubuwan haɗin DC (Direct Current) da AC (Madaidaicin Yanzu):
Bangaren DC: Yana wakiltar matsakaicin matsayi ko tazara mai tsayi tsakanin bincike da manufa, wanda aka yi amfani da shi don saka idanu masu saurin canza sigogi kamar ƙaura axial ko lalacewa.
Bangaren AC: An ɗora akan sashin DC, yana wakiltar rawar jiki mai ƙarfi na manufa dangane da binciken. Girman girmansa yana nuna ƙarfin girgiza, kuma mitansa yana nuna tushen girgizar. Wannan yana ba da damar tsarin don yin duka matsayi da saka idanu na girgiza lokaci guda.
6. Matsakaicin Zazzabi da Tsarin Tsarin Tsarin
Don tabbatar da daidaiton ma'auni a cikin kewayon zafin jiki na aiki (-40 ° C zuwa + 180 ° C), ƙirar tsarin ya haɗa da hanyoyin biyan zafin jiki don rage tasirin ɗigon zafin jiki akan fitarwa. An daidaita ma'aikata mai jujjuyawa ta amfani da VCL 140 karfe (1.7225) a matsayin kayan da aka yi niyya, wanda yayi daidai da kayan shaft na yau da kullun kamar AISI 4140. Don aikace-aikace tare da kayan aiki na musamman, ana ba da shawarar yin shawarwari tare da masana'anta don samun takamaiman lanƙwasa.
IV. Haɗin Tsari da Wuraren Zaɓi
Jimlar Tsayin Tsari: Jimillar tsayin tsarin shine jimillar haɗin haɗin kebul na TQ402 transducer da tsayin tsayin kebul na EA402. Daidaitaccen tsayin tsarin shine mita 1, mita 5, da mita 10, ana iya samun su ta hanyar sassauƙan haɗuwa na bincike daban-daban da tsayin kebul na tsawo.
Gyaran Wutar Lantarki: Don tabbatar da aikin tsarin da musanyawa, tsayin ƙididdiga na kebul na tsawo yana buƙatar 'datsa wutar lantarki.' Ainihin mafi ƙarancin tsayin da za a iya amfani da shi ya ɗan ƙasa da ƙimar ƙima (misali, 4.4 m mafi ƙaranci don tsarin 5 m).
Kariya na Zaɓuɓɓuka: Za'a iya zaɓin bututun ƙarfe mai sassauƙa na bakin karfe tare da sheaths na FEP don samar da ƙarin kariya ta injiniya da juriya na sinadarai don igiyoyi.
Shigarwa: Jikin transducer yana ba da zaɓuɓɓukan awo da zaren sarauta kuma ana iya haɗa su tare da maƙallan hawa daban-daban don dacewa da wuraren shigarwa daban-daban da buƙatu.
V. Tsare-tsare Diagnostics da Mutuncin Tsaro (SIL)
Tsarin TQ402, tare da haɗin gwiwar IQS900 na'urar kwandishan, yana ba da sifofi na ci gaba da ke kula da bukatun aminci da amincin masana'antu na zamani.
Ayyukan Ganewa na Ganewa: IQS900 kwandishan siginar yana ba da zaɓin Ginin Gwajin Kai (BIST) na zaɓi. Lokacin da aka kunna bincike, tsarin yana ci gaba da lura da lafiyar dukkan sarkar aunawa (ciki har da firikwensin, kebul, da kwandishan kanta). Bayan gano buɗaɗɗe, guntun wando, ko wasu kurakurai, yana canza siginar fitarwa don nuna matsala a sarari:
A cikin yanayin ƙarfin lantarki / yanayin fitarwa na yanzu, ƙimar fitarwa za ta faɗo a waje da al'ada -1.6 V zuwa -17.6 V ko -15.5 mA zuwa -20.5 mA kewayon, yana ba da ƙararrawa bayyananne ga tsarin kulawa na baya da kuma ba da damar kiyaye tsinkaya.
Takaddun Tsaro na Aiki: IQS900 kwandishan siginar tare da bincike an tsara shi don saduwa da SIL 2 (bisa ga IEC 61508) da PL c, Cat. 1 (bisa ga ISO 13849) Matsayin amincin aminci. Wannan yana nufin ƙirar tsarin ya isa don saduwa da ƙaƙƙarfan buƙatun aikace-aikacen da ke da alaƙa da aminci (misali, tsarin kariyar injina), yana taimakawa masu amfani da sauƙin gina tsarin samarwa waɗanda suka dace da ƙa'idodin aminci.
VI. Kanfigareshan Injiniya da Zaɓuɓɓukan Shigarwa
Kanfigareshan Injini Mai Sauƙi:
Ƙididdigar Zare: TQ402 transducer jiki yana ba da zaɓuɓɓukan zaren daban-daban, ciki har da metric M10x1, M14x1.5, M16x1.5, da imperial 3/8' -24UNF, 1/2' -20UNF, 5/8' -18UNF, cin abinci ga kayan aiki na duniya da ƙa'idodi masu hawa.
Ƙimar Girman Girma: Masu amfani za su iya ƙayyade Tsawon Shari'ar (daga 20 mm zuwa 250 mm) da Tsawon Unthreaded (daga 0 mm zuwa 230 mm) dangane da buƙatun zurfin shigarwa, yana ba da sassaucin shigarwa.
Model Reverse-Mount: Don aikace-aikace inda madaidaicin TQ402 ba zai iya dacewa ba, jerin kuma suna ba da ƙirar TQ412. TQ412 an ƙera shi ne musamman don aikace-aikacen juye-juye, inda tip tip daidaitacce tare da hanyar fita ta kebul, wanda ya dace da ma'aunin da aka ɗauka daga cikin gidan kayan aiki a waje.
Na'urorin haɗi da Kariya:
Kariyar Mai Haɗi: IP172 mai kariyar haɗin kai yana samuwa don kiyaye wurin haɗin tsakanin kebul na bincike da kebul na tsawo, hana kamuwa da mai, danshi, da lalacewar inji.
Kariyar Kebul: Bayan kafaffen kwasfa na FEP, ana samun bututun ƙarfe masu sassauƙa (bututun kariya) azaman zaɓi. Waɗannan na iya matsawa dangi da kebul don sauƙin shigarwa, samar da kariyar injina mai ƙarfi a cikin hadaddun hanyoyi masu tsauri.
Maƙallan Haɗawa: Akwai nau'ikan adaftan hawan bincike iri-iri (misali, jerin PA15x), tare da adaftan hawan dogo na MA130 DIN don kwandishan siginar IQS900. Wannan yana goyan bayan daidaitattun rails na TH 35, yana sauƙaƙe babban yawa, shigarwa na yau da kullun a cikin ɗakunan ajiya.
