Capacitive pressure sensor ke mofuta oa sensor ea khatello e sebelisang matla e le ntho e bonolo ho fetolela khatello e lekantsoeng hore e be phetoho ea boleng ba capacitance.Mofuta ona oa sensor ea khatello ka kakaretso o sebelisa filimi ea tšepe e chitja kapa filimi e entsoeng ka khauta e le electrode ea capacitor, ha filimi e utloa khatello le ho holofala, matla a teng lipakeng tsa filimi le li-electrode tse tsitsitseng, 'me lets'oao la motlakase le ka fetoha. tlhahiso e nang le kamano e itseng pakeng tsa motlakase ka potoloho ea tekanyo.
Capacitive pressure sensor ke ea polar distance variation capacitive sensor, e ka aroloang ka sensor e le 'ngoe ea capacitive ea khatello le sensor e fapaneng ea capacitive ea khatello.
Sensor ea khatello e le 'ngoe ea capacitive e entsoe ka filimi e chitja le electrode e tsitsitseng.Filimi e senya tlas'a ketso ea khatello, kahoo e fetola bokhoni ba capacitor, 'me kutloisiso ea eona e batla e lekana le sebaka le khatello ea filimi' me e fapane ka tsela e fapaneng le tsitsipano ea filimi le sebaka sa ho tloha filimi ho ea ho electrode e tsitsitseng. .Mofuta o mong oa li-electrode tse tsitsitseng ke sebopeho sa spherical concave, 'me diaphragm ke sefofane se tsitsipano se pota-potileng periphery.Diaphragm e ka etsoa ka mokhoa oa ho roala khauta ea polasetiki.Mofuta ona o loketse ho lekanya khatello e tlaase 'me o na le matla a mangata a mangata.Sensor e le 'ngoe ea khatello ea capacitive e ka boela ea etsoa ka diaphragm e nang le palo e tsamaeang ea piston ho lekanya khatello e phahameng.Mofuta ona o fokotsa sebaka sa khatello e tobileng ea diaphragm e le hore diaphragm e tšesaane e ka sebelisoa ho ntlafatsa kutloisiso.E boetse e kopantsoe le likarolo tse fapaneng tsa matšeliso le tšireletso le li-circuits tsa amplification ho ntlafatsa bokhoni ba ho thibela tšitiso.Sensor ena e loketse tekanyo e matla ea khatello e phahameng le telemetry ea sefofane.Li-sensor tsa khatello ea matla a le mong li fumaneha hape ka mofuta oa maekrofono (ke hore mofuta oa maekrofono) le mofuta oa stethoscope.
Electrode ea khatello ea diaphragm ea sensor e fapaneng ea khatello ea capacitive e pakeng tsa li-electrode tse peli tse tsitsitseng ho etsa li-capacitor tse peli.Tlas'a ketso ea khatello, bokhoni ba capacitor e le 'ngoe bo eketseha' me bo bong bo fokotseha ka tsela e nepahetseng, 'me sephetho sa tekanyo se hlahisoa ke potoloho e fapaneng.Electrode ea eona e tsitsitseng e entsoe ka lera le kentsoeng ka khauta holim'a khalase e kobehileng ka holim'a khalase.Diaphragm e sirelelitsoe hore e se ke ea phatloha ke bokaholimo ba concave nakong ea boima bo feteletseng.Li-sensor tse fapaneng tsa khatello ea capacitive li na le kutlo e phahameng le linearity e betere ho feta li-sensorer tse nang le matla a le mong, empa li thata haholo ho li sebetsana (haholo-holo ho netefatsa hore li tšoana), 'me ha li khone ho fihlela ho itšehla thajana ha khase kapa mokelikeli o lokelang ho lekanyetsoa, kahoo ha li tšoanelehe. bakeng sa ho sebetsa marong a nang le ho bola kapa ditshila.
Nako ea poso: Jun-19-2023