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Isidlulisi sokucindezela yidivayisi eguqula ingcindezi ibe yisiginali ye-pneumatic noma isignali kagesi yokulawula nokudlulisa kude. Ingaguqula imingcele yengcindezi yomzimba efana negesi noketshezi oluzwa ngenzwa yeseli yokulayisha kube yisiginali ejwayelekile kagesi (njengesiboniso 4 ~ 20 mADC, njll.), engasetshenziselwa ukunikeza izinsimbi zesibili njengokukhombisa ama-alamu, abarekhodi, abalawuli, njll. nge-Umkhiqizi wokudlulisa ingcindeziUkulinganisa, inkomba, nokulawulwa kwenqubo.
Izingxenye zikagesi zezidlulisi zokucindezela izingcindezi zomqondo ngokuvamile ziyizigaji zokuphikisana, okuyizimpawu ezibucayi eziguqula ingcindezi kucezu olulinganisiwe zibe yisiginali kagesi.
Amageji we-gauge asetshenziswa kakhulu ngama-gauges wokumelana nensimbi nama-semiconductor gauges. Kunezinhlobo ezimbili zama-gauges wokumelana nensimbi: ama-filamentary gauges e-prun nama-gauges wensimbi.
Imvamisa, igeji yobunzima ihlanganiswe ngokuqinile ne-substrate ekhiqiza uhlobo lomshini ngokunamathela okukhethekile. Lapho i-substrate igcizelelwa futhi ukucindezeleka kushintsha, igeji yokuphikisana nayo iyakhubazeka ndawonye, ukuze inani lokumelana le-gauge yobunzima lishintshe, ukuze i-voltage isetshenziswe kulo lonke i- resistor ishintshe.
Ukudlulisa ingcindezi yinzwa esetshenziswa kakhulu emsebenzini wezimboni. Isetshenziswa kabanzi ezindaweni ezahlukahlukene zokulawula izimboni ezizenzakalelayo, ezibandakanya ukulondolozwa kwamanzi kanye namandla amanzi, ukuthuthwa kwesitimela, izakhiwo ezihlakaniphile, Ukulawulwa okuzenzakalelayo kokukhiqiza, i-aerospace, imboni yezempi, i-petrochemical, imithombo kawoyela, amandla kagesi nemikhumbi. , amathuluzi emishini, amapayipi nezinye izimboni eziningi.
Kunezinhlobo ezimbili zokudlulisa izingcindezi: ugesi kanye ne-pneumatic. Isignali yokukhipha ifana yohlobo lukagesi iyisiginali yamanje eqondile efana ne-0-10mA, 4-20mA noma 1-5V. Isignali yokukhipha ehlanganisiwe yohlobo lwe-pneumatic ingcindezi yegesi engu-20-100Pa.
Abadlulisi bezingcindezi bangahlukaniswa babe ngamandla (i-torque) uhlobo lokulinganisa, uhlobo lwe-kapasitive, uhlobo lwe-inductive, uhlobo lobunzima nohlobo lwemvamisa ngokuya ngemigomo ehlukene yokuguqula. Okulandelayo kwethula kafushane imigomo, izakhiwo, ukusetshenziswa, ukugcinwa nolwazi lokulinganisa. I-Lefoo ikakhulukazi ukukhiqizaInzwa yengcindezi ye- hvacKanye ne-Inzwa yengcindezi yeqandisi
Umsebenzi omkhulu wokudlulisa ingcindezi ukudlulisa isignali yengcindezi kudivayisi ye-elekthronikhi, bese ubonisa ingcindezi kukhompyutha. Umgomo ucishe: uguqula isignali yomshini yengcindezi efana nengcindezi yamanzi ibe yisiginali ye-elekthronikhi efana neyamanje (4-20 mA) ingcindezi namandla noma ubukhulu bamanje bunobudlelwano obuqondile, ngokuvamile ubudlelwano obulinganayo.
Ngakho-ke, amandla kagesi noma ukukhishwa kwamanje ngumthumeli kuyanda ngokwanda kwengcindezi, futhi ngaleyo ndlela kutholakala ubudlelwano phakathi kwengcindezi namandla noma amanje. Izingcindezi ezimbili zomzila olinganisiwe wokudlulisa ingcindezi zidluliselwa emakamelweni aphezulu futhi aphansi. Ingcindezi yegumbi elinengcindezi ephansi yamukela ingcindezi yomkhathi noma i-vacuum, esebenza kuma-diaphragms wokuzihlukanisa ezinhlangothini zombili ze-δ element (isie, into ebucayi), futhi idluliselwa ezinhlangothini zombili ze-diaphragm yokulinganisa ngeshidi lokuzihlukanisa kanye noketshezi lokugcwalisa entweni.
Isidlulisi sokucindezela sakhiwe i-diaphragm yokulinganisa nama-electrode ezinhlangothini zombili zeshidi lokuvikela ukwakha i- capacitor. Lapho ingcindezi ezinhlangothini zombili ingahambelani, i-diaphragm yokulinganisa izosuswa, futhi ukufuduka kuyalingana nomehluko wengcindezi, ngakho-ke amandla ezinhlangothini zombili akulingani, ngokusebenzisa i-oscillation kanye nesixhumanisi sokwehliswa.
Isidluliso Sokucindezela Okuhlukile VS Isiphetho Sokucindezeleka
Imikhiqizo Eminingi Ehlobene
