Lub tshuab hluav taws xob hluav taws xob tsim nyog rau kev ntsuas ntawm qhov ntim ntws ntawm cov kua nrog qee qhov kev coj ua. yeeb nkab perpendicular mus rau qhov chaw sib nqus, nws yuav ua kom induction nyob rau hauv cov kev taw qhia perpendicular mus rau lub ntws. Voltage, nws qhov loj yog: V=KBvD. Qhov twg V yog qhov ua kom muaj qhov hluav taws xob, B yog qhov sib nqus induction siv, D yog txoj kab uas hla sab hauv ntawm cov yeeb nkab, K yog qhov ntsuas coefficient, thiab v yog qhov nruab nrab ntws.
Thaum qhov sib nqus induction siv tsis tu ncua, qhov ntau ntawm qhov hluav taws xob induced yog sib piv rau qhov nruab nrab ntws nrawm. Lub tshuab hluav taws xob hluav taws xob ntsuas pom qhov hluav taws xob uas tsim tawm thiab suav qhov ntws ntawm cov kua hauv cov raj xa dej. Txawm li cas los xij, thaum tus nqi ntws ntawm cov kua qis heev, qhov ua kom muaj hluav taws xob tsim tawm tau tsawg heev, uas nyuaj rau qhov sib txawv ntawm lub suab nrov, uas ua rau kev ntsuas yuam kev nce ntxiv, yog li txwv qhov ntsuas pom ntawm electromagnetic flowmeter. Lub tshuab hluav taws xob qis qis qis qis siv cov thev naus laus zis thev naus laus zis kom paub qhov ntsuas qhov tseeb ntawm ZUI qis nruab nrab ntws tus nqi raws li qhov xwm txheej ntawm 0.05m/s, thiab kom ntseeg tau qhov ua tau zoo, ruaj khov thiab ntseeg tau ntawm qhov ntsuas.
Txhawm rau kom ua tiav qhov ntsuas qis qis kawg, cov thev naus laus zis hauv qab no tau siv los txhim kho qhov ntsuas pom qhov tseeb thiab ntsuas qhov tseeb ntawm qhov ntsuas, thiab tuaj yeem hloov kho rau cov kev xav tau ntawm cov kua:
(1) Kev siv cov programmable low-frequency rectangular wave excitation method txhim kho kev ruaj ntseg ntawm kev ntsuas ntws. Nws muaj cov yam ntxwv ntawm kev siv hluav taws xob tsawg thiab qib hluav taws xob qis. Nws yog qhov tshwj xeeb tshaj yog rau kev ntsuas ntawm cov viscosity siab polymer profile tswj tus neeg sawv cev. Nyob rau tib lub sijhawm, txhawm rau hloov kho tus yam ntxwv ntawm ntau tus neeg tswj hwm cov ntaub ntawv profile, nws tseem muab ntau yam kev ua kom zoo los hloov kho rau cov slurry thiab pulsating ntws. Thiab lwm yam xwm txheej tshwj xeeb ntawm kev ntsuas.
(2) Txais yuav 12-ntsis qhov tseeb A/D hloov pauv hloov pauv, tag nrho cov teeb liab ua tshuab, muaj zog tiv thaiv kev cuam tshuam muaj peev xwm, thiab ua suab nrov yooj yim. Kev siv cov txheej txheem thev naus laus zis thev naus laus zis kom ua tiav qhov kev tswj tau yooj yim tuaj yeem tswj tau qhov kev txaus siab hauv Circuit Court, thiab cia li xaiv hom kev zoo siab nrog lub teeb liab-rau-suab nrov piv ZUI raws li cov yam ntxwv ntawm cov kua. Kev siv lub tshuab lim dej digital tuaj yeem daws cov suab nrov hauv lub teeb liab ntawm qhov ntsuas ntsuas, yog li ntsuas qhov ntsuas tau tuaj yeem ncav cuag 1 hli/s, thiab qhov ntsuas ntsuas ntws tuaj yeem ncav cuag 1500: 1. Nyob rau tib lub sijhawm, cov txheej txheem thev naus laus zis tuaj yeem pab txhawb kev hloov pauv ntawm cov ntsuas ntsuas ntsuas, thiab kev sib txuas lus digital tuaj yeem txuas ncaj qha rau ntau yam khoom siv sab nraud.
(3) Kev siv qhov kev tsim kho kom zoo ntawm cov tswv yim siab impedance thiab lub suab nrov qis amplifier Circuit Court txhim kho qhov rhiab ntawm kev nrhiav pom. Siv tus kheej tsim tsim hluav taws xob hloov hluav taws xob, lub zog hluav taws xob tau txo mus rau 3mVp-p, uas txo qis suab nrov hauv kev ntsuas.
(4) Siv 16-ntsis microprocessor, muaj zog suav lub zog thiab nrawm nrawm, siv cov txheej txheem qib siab rau software ua suab nrov hauv lub teeb liab, uas tuaj yeem txhim kho qhov tseeb ntawm kev kuaj pom, thiab muab ntau yam kev pabcuam xws li ntsuas tus kheej, Suav character menu, thiab lwm yam.
(5) Kev siv cov tshuaj fluorine yas txhaj tshuaj molding lub zos thiab qib qib hluav taws xob titanium tuaj yeem ua tau raws li qhov xav tau ntawm kev ua kua xeb.