TQ412 babban aiki ne na baya-Dutsen da ba a tuntuɓar eddy na halin yanzu mai canzawa daga layin samfurin VM. An tsara shi musamman don yanayin kulawa da kariya na injin juyawa a cikin mahallin masana'antu kuma yana aiki a matsayin babban ɓangaren TQ402/TQ412, EA402, da IQS900 tsarin ma'aunin kusanci. Dangane da ƙa'idar fahimtar halin yanzu, wannan tsarin yana auna daidai jijjiga dangi, ƙaurawar axial, da canje-canjen rata a cikin jujjuyawar injin injin. Ana amfani da shi sosai a cikin kayan aiki masu mahimmanci kamar injin tururi, injin turbin gas, injin injin ruwa, janareta, turbo-compressors, da famfo.
Firikwensin TQ412 yana fasalta ƙirar baya-bayan, yana mai da shi dacewa da shigarwa a cikin takurawar sararin samaniya ko na musamman da aka tsara. Tare da kebul na tsawo na EA402 da kwandishan siginar IQS900, yana samar da cikakkiyar sarkar aunawa. Duk abubuwan da aka gyara suna da cikakken musanya kuma suna buƙatar babu daidaitattun daidaitattun ɗaiɗaikun, suna sauƙaƙe tsarin haɗin kai da kiyayewa sosai. Tsarin yana goyan bayan jeri guda biyu (2 mm ko 4 mm), yana ba da ƙarfin lantarki ko fitarwa na yanzu, kuma ya bi daidaitattun shawarwarin API 670.
Mabuɗin Siffofin da Ayyuka
1. Ƙididdigar Maɗaukakin Ƙididdigar Ƙididdigar Ƙwararrun Ƙwararru
Dangane da tasirin eddy a halin yanzu, yana auna sauye-sauyen ƙaura akan filayen ƙarfe ba tare da haɗin jiki tare da manufa ba.
Ma'auni Range: 2 mm ko 4 mm (an zaɓi ta hanyar oda).
Zaɓuɓɓukan Hankali:
Amsa Mitar: DC zuwa 20 kHz (-3 dB), mai ikon ɗaukar siginar girgiza mai ƙarfi daga injin juyawa mai sauri.
2. Reverse-Mount Design
An ƙirƙira musamman don ƙaƙƙarfan sarari ko tsarin injina na musamman, yana ba da sassaucin shigarwa.
Yana ba da zaɓuɓɓukan zaren awo (M10×1) ko na sarauta (3/8'-24UNF) don dacewa da buƙatun shigarwa daban-daban.
3. Maɗaukakin Zazzabi da Ƙarfafa Muhalli
Matsakaicin Yanayin Zazzabi Mai Canjin Jiki: -40°C zuwa +180°C (aiki), tare da tsira na ɗan lokaci har zuwa +220°C.
Ƙimar Kariya Gabaɗaya: Shugaban firikwensin da aka ƙididdige IP68, wanda ya dace da matsanancin yanayin masana'antu kamar waɗanda ke da danshi, mai, da ƙura.
Juriya na Jijjiga: Yana jurewa 5g ganiya girgiza a cikin kewayon 10-500 Hz.
Resistance Shock: Yana jurewa 15 g ganiya girgiza (rabin-sine kalaman, 11 ms duration).
4. Fashewa-Tabbacin Tabbacin Takaddun Shaida da Tsaro
Yana ba da zaɓuɓɓukan takaddun shaida masu fashewa da yawa (akayyade ta hanyar lambar oda):
Ex ia Tsaro na Cikin Gida (Zaɓi A2): Ya dace da yankuna masu haɗari na Yanki 0/1/2, ATEX, IECEx, cCSAus, da sauran ƙa'idodin ƙasa da ƙasa.
Ex nA Mara Batsa (Zaɓi A3): Ya dace da yankuna masu haɗari na Yanki 2.
Dukansu firikwensin da kebul suna da bokan-fashewa, suna tabbatar da amintaccen amfani a cikin yuwuwar fashewar yanayi.
5. Modularity da Canja-canje
Cikakken jituwa tare da igiyoyin TQ402, EA402, da kwandishan siginar IQS900. Abubuwan da ke canzawa suna canzawa kuma basu buƙatar sake gyarawa.
Yana goyan bayan tsayin tsarin duka guda uku (TSL): 1 m, 5 m, da 10 m, ana iya samun su ta hanyar haɗin igiyoyin firikwensin tsawon tsayi daban-daban da igiyoyin haɓaka.
6. Makanikai da Kayan Kaya
Shugaban firikwensin yana amfani da kayan Torlon (polyamide-imide) don ɗaukar nada, yana ba da kyakkyawan yanayin kwanciyar hankali da ƙarfin injina.
An gina jiki daga bakin karfe (AISI 316L) don juriya mai ƙarfi.
Babban zafi na ciki epoxy resin potting yana tabbatar da dogaro na dogon lokaci.
Daidaitaccen madaidaicin ƙananan haɗin coaxial masu kulle kai suna tabbatar da haɗin kai masu dogaro da goyan bayan yanayin zafi mai zafi (har zuwa 200°C).
7. Saitunan Kariya na zaɓi
Cikakken Ƙa'idar Aiki
1. Eddy Current Effect Tushen
TQ412 firikwensin yana aiki bisa ka'idar ji na yanzu. Kanta yana ƙunshe da rauni na murɗa daga madaidaicin enameled waya, wanda babban siginar tashin hankali AC ke motsa shi (yawanci 1-2 MHz) daga na'urar siginar IQS900. Maɗaukakin halin yanzu yana haifar da babban juzu'i mai jujjuyawa a kusa da nada. Lokacin da na'urar firikwensin ya kusanci maƙasudin ƙarfe mai ɗaukar nauyi (misali, saman shaft), wannan madadin filin maganadisu yana haifar da rufaffiyar igiyoyin kewayawa, wanda aka sani da igiyoyin ruwa, akan saman madubin. Ƙarfin waɗannan magudanar ruwa ya yi daidai da tazarar tazarar da ke tsakanin binciken firikwensin da saman abin da ake nufi. Bisa ga Dokar Lenz, waɗannan igiyoyin ruwa suna haifar da filin maganadisu mai adawa wanda ke tsayayya da canjin filin asali. Wannan hulɗar tana haifar da canji a cikin daidaitaccen maɗaukaki (ciki har da masu tsayayya da abubuwan haɓakawa) na nada firikwensin. Matsayin canjin impedance yana da ƙaƙƙarfan alaƙar aiki tare da tazarar tazarar, yana ba da tushen zahiri don ma'auni daidai.
2. Canjin Sigina da Rushewa
Na'urar kwandishan siginar IQS900 ita ce 'kwakwalwa' na dukkan tsarin. Da'irar da ke cikinta ta ƙunshi daidaitaccen saitin madaidaicin oscillator, modulator, da demodulator. Babban siginar mitar oscillator yana tafiyar da na'urar firikwensin, yana samar da gadar AC mai tsayi mai tsayi. Lokacin da igiyar igiya ta canza saboda bambancin rata, yana daidaita gadar. Da'irar modulator tana gano siginar rashin daidaituwa na wannan minti (yawanci a matakin millivolt). Daga baya, na'urar tantancewa, ta yin amfani da dabaru irin su Ganewar Halin Hali (PSD), yana lalata siginar da aka daidaita mai tsayi mai ɗauke da bayanin tazara zuwa siginar wutar lantarki mai bambanta a hankali ta DC. Wannan siginar DC tayi daidai da tazarar tazarar. Don ƙara haɓaka daidaito, na'urar kwandishan kuma tana haɗa layin layin layi da kewayen ramuwar zafin jiki. Da'irar layi tana gyara halayen firikwensin da ba na mizani ba ta hanyoyi kamar dacewa da nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i) dace da daidaitawa). Da'irar ramuwa ta zafin jiki tana ci gaba da lura da yanayin yanayi kuma tana daidaita sigogin da'irar don magance tasirin canjin zafin jiki akan juriya, halayen kayan lantarki, da ƙarfin kebul. Wannan yana tabbatar da kwanciyar hankali mai girma daga -40 ° C zuwa + 180 ° C, tare da jan hankali na yau da kullun ƙasa da 5%.
3. Nau'in Siginar fitarwa
IQS900 kwandishan yana jujjuya siginar DC da aka sarrafa zuwa daidaitattun hanyoyin samar da masana'antu guda biyu don dacewa da buƙatun haɗin tsarin daban-daban:
Yanayin Fitar da Wutar Lantarki (3-waya): Wannan yanayin yana ba da siginar siginar siginar madaidaicin daidai gwargwado, kama daga -1.6 V zuwa -17.6 V. Yana cikin ciki yana amfani da da'irar amplifier mai zurfi mai zurfi mara kyau, yana samun ƙarancin fitarwa (<100 Ω a DC). Fa'idar ƙarancin fitarwa shine ikon fitar da manyan kaya masu ƙarfi kuma yana rage raguwar sigina da ɓarna yayin watsawar USB mai tsawo. Ya dace sosai don haɗin kai tsaye zuwa tsarin sayan bayanan shigar da ƙarfi mai ƙarfi, samfuran shigar da analog na PLC, ko oscilloscopes don ganewar asali.
Yanayin Fitarwa na Yanzu (waya 2): Wannan yanayin yana ba da sigina na yanzu daga -15.5mA zuwa -20.5mA. Abubuwan da ake fitarwa na yanzu sun shahara saboda ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan katsalandan na lantarki (EMI), yana mai da shi dacewa musamman ga munanan yanayin masana'antu waɗanda ke buƙatar nisan watsawa har zuwa mita ɗari da yawa. Madaidaicin kewayawar V/I a cikin kwandishan yana tabbatar da ƙimar halin yanzu ba ta tasiri ta canjin juriya na layi. Ƙarshen karɓa kawai yana buƙatar ≤350 Ω madaidaicin samfur resistor don canza siginar yanzu zuwa siginar wutar lantarki don aunawa. Wannan ƙaƙƙarfan ƙira yana rage wahala da tsadar kayan aiki mai nisa.
4. Zazzabi Rayya da Calibration
An daidaita tsarin a + 23 ° C ± 5 ° C ta amfani da daidaitattun kayan aiki (VCL 140 karfe, 1.7225).
Matsakaicin ramuwa na zafin jiki na ciki yana tabbatar da ɗigon fitarwa ya kasance ƙasa da 5% tsakanin kewayon -40 ° C zuwa +180 ° C.
Idan aka yi amfani da kayan da ba daidai ba (kamar bakin karfe, aluminum, gami, da sauransu) ana amfani da su, dole ne a sake farfado da masu lanƙwasa ko a yi amfani da gyaran hankali.
5. Ayyukan Bincike (Na zaɓi)
Lokacin da aka haɗa su tare da kwandishan sigina na IQS900 wanda ke nuna bincike (Oder Option C2), tsarin zai iya cimma:
Binciken Sarkar: Gano kuskure na ainihi a cikin firikwensin, cabling, da/ko kwandishan kanta.
Takaddun shaida na SIL 2: Ya dace da IEC 61508 ka'idodin aminci na aiki, wanda ya dace da aikace-aikacen da suka danganci aminci.
Alamar kuskure: Alamar ƙararrawa mai nisa ta hanyar siginonin fitarwa suna faɗuwa a waje da kewayon al'ada (misali, fitarwa na yanzu> -15.5 mA ko <-20.5 mA).
6. Haɗin tsarin da sarrafa sigina
Firikwensin TQ412, kebul na tsawo na EA402, da kwandishan IQS900 suna samar da cikakkiyar sarkar ma'auni.
Jimlar Tsayin Tsarin (TSL) yana buƙatar 'datsa wutar lantarki' don tabbatar da aikin tsarin da musanyawa (misali, ainihin tsawon kebul na tsarin 5 m dole ne ya zama ƙasa da 4.4 m).
Ana iya amfani da siginar ɗanyen (RAW/COM fil) da shigarwar gwaji (TEST/COM fil) don lalata tsarin da bincike na ci gaba.
7. Shigarwa da Daidaita Injiniya
Tsarin baya-baya ya sa ya dace da shigarwa a cikin ƙananan wurare ko tare da geometries na musamman.
Yana ba da tsayin jiki daban-daban (20-250 mm) da zaɓuɓɓukan tsayi marasa zaren (0-230 mm).
Zaɓuɓɓuka m bakin karfe tiyo ko kwafin FEP na iya tsawaita rayuwar kebul, dacewa da yanayin zafi mai girma, lalata, ko yanayin lalacewa na inji.
Yanayin Aikace-aikacen Na Musamman
Juyawa Injin Kula da Jijjiga: Dangantakar ma'aunin girgizar raƙuman ruwa a cikin injin turbin gas, injin tururi, injin tururi, injina, damfara, da famfo.
Kulawar Maɓallin Axial: Matsayi mai ɗaukar nauyi, saka idanu na fadada shaft.
Ma'aunin Tazarar: Tsabtace hatimi, sa ido kan kawar da bakin ruwa.
Tsarin Kariya na Tsaro: Haɗuwa tare da tsarin tsarin VM don cimma kariyar injina da kiyaye tsinkaya.
