Na u kile ua ipotsa hore na ke hobaneng ha "touchscreen" ea smartphone ea hau e khona ho utloa ka nepo motsamao o mong le o mong oa menoana ea hau ha u thaepa? E 'ngoe ea liphiri tse ka morao ho sena ke theknoloji ea capacitive. Theknoloji ea Capacitive e sebelisoa ho li-touchscreens mme e na le lits'ebetso tse ngata lefapheng la li-sensor.
Selelekela
Capacitive pressure sensor ke mofuta oa sensor e lekanyang khatello ka liphetoho tsa bokhoni. E sebetsa ka ho lekanya phetoho ea matla pakeng tsa li-electrode tse peli tsa capacitor ho lemoha phapang ea khatello. Li-sensor tsena li sebelisoa haholo indastering ea li-automation, lisebelisoa tsa bongaka, liindasteri tsa likoloi le tsa sefofane ka lebaka la ho nepahala ha tsona, kutloisiso le ts'epahalo ea tsona.
Molao-motheo o sebetsang oa li-Capacitive Pressure Sensors
Molao-motheo oa Motheo oa Phetoho ea Bokhoni
Capacitor e na le li-electrode tse peli le thepa ea dielectric. Ha sebaka se pakeng tsa li-electrode kapa thepa ea thepa ea dielectric e fetoha, boleng ba capacitance le bona boa fetoha. Li-sensor tsa khatello ea capacitive, phetoho ena e bontša ka ho toba phapang ea khatello.
Kamano Pakeng Tsa Bokhoni le Khatello
Ka sensor ea khatello ea capacitive, liphetoho tsa khatello li baka phapang pakeng tsa li-electrode kapa deformation ea thepa ea dielectric, e leng se etsang hore ho be le phetoho ea bokhoni. Phetoho ena ea capacitance e fetoloa letšoao la motlakase ka lipotoloho tsa elektronike, ho lumella ho lekanya khatello. Boholo ba lets'oao la motlakase bo lekana le khatello e sebelisitsoeng, e leng se nolofalletsang ponahatso e nepahetseng ea liphetoho tsa khatello.
Sebopeho se Tloaelehileng sa Capacitive Pressure Sensor
Sensor e tloaelehileng ea khatello ea capacitive e na le li-electrode tse tsitsitseng le tse tsamaeang. Khatello e sebetsa holim'a electrode e tsamaeang, e etsa hore boemo ba eona bo fetohe 'me kahoo bo fetole boleng ba capacitance. Phetoho ena ea capacitance e fumanoa 'me e fetoloa boleng ba khatello e baloang ke potoloho ea elektronike. Moqapi le khetho ea thepa ea sensor e ama ka ho toba ho nepahala le botsitso ba eona, ho hloka hore ho nahanoe ka hloko ho netefatsa ho tšepahala le ho nepahala.
Mefuta ea Capacitive Pressure Sensors
Differential Capacitive Pressure Sensors
Li-sensor tse fapaneng tsa khatello ea capacitive li lemoha liphetoho tsa khatello ka ho lekanya phapang ea matla pakeng tsa li-capacitor tse peli. Moralo ona o ntlafatsa haholo kutlo le ho nepahala ha sensor, kaha o ka felisa ho kena-kenana le maemo a tikoloho. Li-sensor tse fapaneng tsa capacitive li loketse ka ho khetheha litekanyo tse nepahetseng haholo le tse tsitsitseng, joalo ka lisebelisoa tse nepahetseng tsa indasteri le lisebelisoa tsa lipatlisiso tsa mahlale.
Absolute Capacitive Pressure Sensors
Li-sensor tsa khatello e felletseng ea capacitive li lekanya boleng ba capacitance ea capacitor e le 'ngoe ho lekanya khatello e felletseng. Li-sensor tsena li fana ka likhatello tse nepahetseng tsa khatello 'me li sebelisoa lits'ebetsong moo tsebo ea khatello e feletseng ea tikoloho e hlokahalang, joalo ka meteorology, barometers, le ho shebella khatello e feletseng ea taolo ea tsamaiso ea indasteri.
Relative Capacitive Pressure Sensors
Relative capacitive pressure sensors lekanya boleng ba capacitance le khatello ea litšupiso, hangata e sebelisetsoang litekanyo tse fapaneng tsa khatello ea tikoloho. Li-sensor tsena hangata li sebelisoa maemong a hlokang hore ho behoe leihlo liphetoho tse amanang le khatello ea maikutlo, joalo ka lits'ebetso tsa ho lekola tikoloho ea moaho, litsamaiso tsa taolo ea boemo ba leholimo le litsamaiso tse itseng tsa indasteri.
Melemo ea Capacitive Pressure Sensors
Boikutlo bo Phahameng le ho Nepaha
Li-sensor tsa khatello ea capacitive li na le kutlo e phahameng haholo 'me li khona ho bona liphetoho tsa motsotsoana. Moqapi oa bona o tiisa kamano e haufi pakeng tsa phetoho ea matla le phetoho ea khatello, e fana ka liphello tse nepahetseng haholo tsa tekanyo. Karolo ena e li etsa hore li tšoanelehe bakeng sa lits'ebetso tse hlokang ho nepahala ho feteletseng, joalo ka lisebelisoa tsa bongaka le lisebelisoa tsa ho metha ka nepo.
Tšebeliso e tlase ea Matla le Nako e Telele ea Bophelo
Li-sensor tsa khatello ea capacitive li tšoauoa ka tšebeliso e tlase ea matla, e leng se etsang hore e be tse loketseng lisebelisoa tse hlokang ts'ebetso ea nako e telele. Sebopeho sa bona se batlang se le bonolo, hangata se entsoe ka thepa e tšoarellang, se tiisa ho tšepahala ho phahameng le ho phela nako e telele. Ka lebaka leo, li-sensor tsena li sebelisoa haholo lits'ebetsong tsa indasteri le lits'ebetsong tsa nako e telele tsa ho beha leihlo.
Wide Temperature Range Ho ikamahanya le maemo
Li-sensor tsa khatello ea capacitive li ka sebetsa ka mokhoa o tsitsitseng holim'a mefuta e mengata ea mocheso, li etsa hore li tšoanele libaka tse thata. Li-sensor tsa khatello ea capacitive li fana ka ts'ebetso e ts'epahalang lits'ebetsong tsa indasteri tse mocheso o phahameng kapa maemo a tlase a mocheso oa lipatlisiso tsa mahlale. Ho ikamahanya le maemo hona ho etsa hore li ratoe haholo sebakeng sa lifofane, likoloi, le mafapheng a mang a hlokang ho sebetsa maemong a mocheso o feteletseng.
Ka ho kopanya melemo ena le mefuta e fapaneng e fapaneng, li-sensor tsa khatello ea capacitive li bapala karolo ea bohlokoa ho theknoloji ea sejoale-joale, nts'etsopele ea nts'etsopele le tsoelopele libakeng tse ngata.
Lisebelisoa tsa Capacitive Pressure Sensors
Likopo ho Thepa ea Bongaka
Li-sensor tsa khatello ea capacitive li phetha karolo ea bohlokoa lisebelisoa tsa bongaka. Ba beha leihlo matšoao a bohlokoa a bophelo bo botle joalo ka khatello ea mali le phefumoloho, ba fana ka lintlha tse nepahetseng le tse tšepahalang tsa bophelo bo botle. Mohlala, li-ventilator li sebelisa li-capacitive pressure sensors ho laola phallo ea khase hantle le khatello ka nepo, ho netefatsa hore bakuli ba fumana moea o nepahetseng. Ho feta moo, li-sensor tsa khatello ea capacitive li sebelisoa lisebelisoa tse fapaneng tsa tlhahlobo, joalo ka li-endoscope le li-analyzer tsa mali, ho thusa lingaka ho etsa tlhahlobo e nepahetseng le liqeto tsa kalafo.
Likopo ho Industrial Automation
Ho automation ea indasteri, li-sensor tsa khatello ea capacitive li sebelisoa haholo ho lekola le ho laola khatello lits'ebetsong tsa tlhahiso. Li-sensor tsena li ka bona liphetoho tsa khatello ka nako ea nnete, ho netefatsa botsitso le polokeho ea lits'ebetso tsa tlhahiso. Ka mohlala, limela tsa lik'hemik'hale, li-capacitive pressure sensors li lekola khatello ea li-reactors le litanka tsa polokelo, ho thibela khatello e feteletseng kapa likotsi tsa ho lutla. Ha ba etsa tlhahiso, ba shebella khatello ea litsamaiso tsa hydraulic le pneumatic, ho netefatsa ts'ebetso e tloaelehileng ea lisebelisoa le botsitso ba boleng ba sehlahisoa.
Likopo ho Indasteri ea Likoloi
Li-sensor tsa khatello ea capacitive li na le lits'ebetso tse ngata indastering ea likoloi. Li sebelisoa lits'ebetsong tsa taolo ea enjene ho lekola khatello ea ho noa le khatello ea mafura, ho ntlafatsa ts'ebetso ea enjene le ho sebetsa hantle ha mafura. Ntle le moo, li-sensor tsa khatello ea capacitive li sebelisoa lits'ebetsong tsa ho lekola khatello ea mabili (TPMS) ho fana ka tlhaiso-leseling ea nako ea 'nete ea khatello ea mabili, ho matlafatsa polokeho ea ho khanna. Lisebelisoa tse ling li kenyelletsa ho beha leihlo khatello ho li-brake system, li-stimus tsa ho emisa, le mekotla ea moea, ho netefatsa botsitso le polokeho ea koloi tlas'a maemo a fapaneng.
Lisebelisoa ho Aerospace
Sebakeng sa sefofane, li-sensor tsa khatello ea capacitive li lekanya maemo a fapaneng a khatello ea sefofane. Mekhahlelo ena e kenyelletsa khatello ea cabin, khatello ea peterole, khatello ea sistimi ea hydraulic, le tse ling, ho netefatsa polokeho le ts'ebetso ea sefofane. Mohlala, tsamaisong ea hydraulic ea sefofane, li-sensor tsa khatello ea capacitive li lekola khatello ea oli ea hydraulic ho netefatsa ts'ebetso e tloaelehileng ea sistimi ea taolo. Sebakeng sa sepaka-paka, lisensara tsena li lekola khatello ea litsamaiso tsa ho khanna le ho laola tikoloho, ho netefatsa katleho ea mesebetsi ea sebaka.
Li-sensor tsa khatello ea capacitive, tse nang le kutlo e phahameng, ho nepahala, tšebeliso e tlase ea matla le ho tšoarella nako e telele, li sebelisoa haholo mafapheng a mangata, li fetoha karolo ea bohlokoahali ea theknoloji ea sejoale-joale. E le sehlahisoa sa XIDIBEI, theXDB602Letoto la liindasteri tse pharalletseng tsa silicon flat membrane pressure transmitter li bonts'a ts'ebetso e ntle haholo le tebello e pharaletseng ea ts'ebeliso, li bapala karolo ea bohlokoa masimong a boletsoeng ka holimo.
Papiso ea li-Capacitive Pressure Sensors le li-Sensors tse ling
Capacitive vs. Resistive Pressure Sensors
Li-sensor tsa khatello ea capacitive le li-sensorer tsa khatello ea ho hanyetsa li fapana haholo ho latela melao-motheo ea ts'ebetso le lits'ebetso.
Kutloelo-bohloko le ho Nepaha: Li-sensor tsa khatello ea capacitive hangata li na le kutlo e phahameng le ho nepahala hobane liphetoho tsa capacitance li ka bonts'a liphetoho tsa motsotsoana hantle. Ka lehlakoreng le leng, li-sensor tsa khatello ea ho hanyetsa li na le kutlo e tlase le ho nepahala, haholo-holo libakeng tse tlase tsa khatello.
Sebopeho le Litšenyehelo: Li-sensor tsa khatello ea capacitive li na le sebopeho se batlang se rarahane, se hlokang mekhoa e nepahetseng ea tlhahiso, 'me se fella ka litšenyehelo tse phahameng. Li-sensor tse hanyetsanang tsa khatello li na le sebopeho se bonolo, litšenyehelo tse tlaase tsa tlhahiso, 'me li loketse tlhahiso ea bongata le kopo.
Scenarios tse sebetsang: Li-sensor tsa khatello ea capacitive, ka lebaka la ho nepahala ha tsona, li loketse maemo a hlokang kutlo e phahameng le ho nepahala, joalo ka lisebelisoa tsa bongaka le litekanyo tse nepahetseng tsa indasteri. Li-sensor tse hanyetsanang tsa khatello li sebelisoa hangata lits'ebetsong moo ho nepahala ho phahameng ho seng bohlokoa empa ho tšoarella le ho boloka litšenyehelo li le bohlokoa, joalo ka li-automation tse akaretsang tsa indasteri le lisebelisoa tsa elektroniki tsa bareki.
Capacitive vs. Piezoelectric Pressure Sensors
Li-sensor tsa khatello ea capacitive le li-sensor tsa khatello ea piezoelectric li na le phapang e fapaneng karabelong ea khafetsa le maemo a ts'ebeliso.
Karabelo ea Khafetsa: Li-sensor tsa khatello ea capacitive li loketse litekanyo tsa khatello ea maqhubu a tlaase, ho fana ka data e tsitsitseng le e nepahetseng ea khatello e tlaase ea maqhubu. Li-sensor tsa khatello ea piezoelectric li ipabola ho bona liphetoho tsa khatello ea maqhubu a phahameng, 'me li arabela ka potlako liphetohong tsa khatello ea hang-hang, e leng se etsang hore e be tse loketseng litekanyo tse matla tsa khatello.
Libaka tsa Kopo: Li-sensor tsa khatello ea capacitive hangata li sebelisoa maemong a hlokang ho metha ho tsoelang pele, ho tsitsitseng, joalo ka ho beha leihlo boemo ba mokelikeli, tekanyo ea khatello ea sepakapaka, le tlhahlobo e tsoelang pele ea lisebelisoa tsa bongaka. Li-sensor tsa khatello ea piezoelectric, ka lebaka la kutloelo-bohloko ea tsona ho ho thothomela ha maqhubu a phahameng le likhatello tsa tšusumetso, li sebelisoa haholo ho li-accelerometer, tlhahlobo ea vibrate le tlhahlobo ea phello.
Melemo le Mefokolo: Molemo oa li-sensor tsa khatello ea capacitive o itšetlehile ka kutloisiso ea bona e phahameng le botsitso, empa ts'ebetso ea bona e lekanyelitsoe litekanyong tse phahameng tsa maqhubu. Li-sensor tsa khatello ea piezoelectric lia ipabola karabelong ea maqhubu a holimo empa li ka ba le ho hoholeha litekanyong tsa nako e telele tsa khatello e tsitsitseng. Ka hona, e 'ngoe le e' ngoe e na le melemo le melemo ea eona, 'me mofuta o nepahetseng oa sensor o lokela ho khethoa ho latela ts'ebeliso e khethehileng.
Kakaretso
Li-sensor tsa khatello ea capacitive li sebetsa hantle haholo ka kutlo, ho nepahala, le litekanyo tsa maqhubu a tlase, li etsa hore li tšoanelehe bakeng sa lits'ebetso tse hlokang ho nepahala le botsitso bo phahameng. Li-sensor tse hanyetsanang tsa khatello, ka sebopeho sa tsona se bonolo le theko e tlase, li na le melemo lits'ebetsong tse pharaletseng. Li-sensor tsa khatello ea piezoelectric, ka lebaka la litšobotsi tsa tsona tse phahameng tsa karabelo, li sebetsa hantle litekanyong tse matla tsa khatello. Basebelisi ba lokela ho khetha mofuta o nepahetseng oa sensor ho latela litlhoko tse ikhethileng le maemo a ts'ebeliso ho fihlela liphetho tse ntle ka ho fetisisa tsa litekanyo le ho boloka litšenyehelo.
Mekhoa ea Tsoelo-pele ea Bokamoso ea Li-Capacitive Pressure Sensors
Nts'etsopele ea Thepa e Ncha le Theknoloji
Ka tsoelo-pele e tsoelang pele ea lisebelisoa le mahlale a macha, ts'ebetso ea li-capacitive pressure sensors e tla ntlafatsoa le ho feta. Nakong e tlang, li-sensor li tla sebelisa lisebelisoa tse tsoetseng pele, joalo ka li-nanomaterials le lisebelisoa tse bohlale, tse nang le kutlo e phahameng le ho tšoarella nako e telele. Ho feta moo, nts'etsopele ea theknoloji ea micro-electro-mechanical systems (MEMS) e tla etsa hore li-capacitive pressure sensors li be nyane, li be bobebe, 'me li khone ho kopanya mesebetsi e mengata. Lintlafatso tsena tsa theknoloji li tla thusa li-sensor ho sebetsa hantle maemong a thata, ho holisa mefuta ea tsona ea ts'ebeliso.
Melemo ea Kopo ea Nakong e Tlang
Ka nts'etsopele e potlakileng ea li-automation tsa indasteri le lisebelisoa tse bohlale, li-sensor tsa khatello ea capacitive li tla bapala karolo ea bohlokoa masimong a mangata. Mohlala, lisebelisoa tsa Marang-rang tsa Lintho (IoT), li-sensor li tla sebelisoa ho beha leihlo le ho laola lisebelisoa tsa lapeng, meaho ea toropo le lisebelisoa tsa indasteri. Lefapheng la bongaka, lisebelisoa tse nkehang habonolo le tse aparoang li tla amohela li-sensor tsa khatello ea capacitive ho fana ka tlhahlobo ea nako ea nnete ea bophelo bo botle. Indastering ea likoloi, ka ho ata ha theknoloji ea ho khanna e ikemetseng, li-sensor li tla sebelisoa bakeng sa lits'ebetso tse rarahaneng tsa ho lekola le ho laola khatello. Ka kakaretso, litebello tsa li-sensor tsa khatello ea capacitive lia ts'episa haholo, 'me sebaka sa ts'ebeliso ea tsona se ikemiselitse ho hola ho ea pele.
Lipotso Tse Botsoang Khafetsa
Lisensara tsa khatello ea capacitive li nepahetse hakae?
Li-sensor tsa khatello ea capacitive li na le ho nepahala ho phahameng, tse khonang ho lemoha liphetoho tsa khatello ea motsotso. Sena se etsa hore li tšoanelehe haholo bakeng sa lits'ebetso tse hlokang litekanyo tse nepahetseng haholo, joalo ka lisebelisoa tsa bongaka le lisebelisoa tse nepahetseng tsa indasteri. Ho nepahala ha tsona ho ka fihla maemong a microbar, ho fihlela litlhoko tsa tekanyo e phahameng haholo.
Ke libaka life tseo li-capacitive pressure sensors li loketseng ho tsona?
Li-sensor tsa khatello ea capacitive li loketse libaka tse fapaneng, ho kenyelletsa le tse nang le mocheso o phahameng, mocheso o tlase le liphetoho tse kholo tsa mongobo. Moqapi oa bona le khetho ea thepa e fana ka maemo a matle a tikoloho, e ba lumellang ho sebetsa ka mokhoa o tsitsitseng tlas'a maemo a thata. Ka mohlala, indastering ea oli le khase, li-sensor li hloka ho sebetsa tlas'a mocheso o phahameng le khatello e phahameng ka nako e telele, ha li ntse li le sebakeng sa lifofane, li-sensor li hloka ho boloka ho nepahala le ho tšepahala tlas'a mocheso o feteletseng le maemo a khatello.
Lisensara tsa khatello ea capacitive li lekanyetsoa joang?
Ho lokisa li-sensor tsa khatello ea capacitive ho hloka ho sebelisa mohloli o tloaelehileng oa khatello. Ts'ebetso ea ho lekanya e kenyelletsa ho hokahanya mohloli o tloaelehileng oa khatello ho sensor le ho lokisa lets'oao la tlhahiso ea sensor ho lumellana le boleng bo tloaelehileng ba khatello. Ho lekanya khafetsa ho netefatsa ho nepahala ha tekanyo ea sensor, haholo-holo ho bohlokoa lits'ebetsong tse nepahetseng haholo.
Nako ea bophelo ea li-capacitive pressure sensors ke efe?
Li-sensor tsa khatello ea capacitive li phela nako e telele, hangata li nka lilemo tse 'maloa. Bophelo ba bona bo khethehileng bo itšetlehile ka tikoloho ea tšebeliso le makhetlo a mangata. Ka tšebeliso e tloaelehileng le tlhokomelo e tloaelehileng, ts'ebetso ea sensor e ka lula e tsitsitse nako e telele. Ka mohlala, lits'ebetsong tsa indasteri, li-sensor li ka 'na tsa hloka ho mamella liphetoho tse tsoelang pele tsa khatello le maemo a thata, empa ka tlhokomelo e nepahetseng, nako ea bophelo ea tsona e ntse e ka finyella litebello.
Litšenyehelo tsa li-capacitive pressure sensors ke bokae?
Ha ho bapisoa le mefuta e meng ea lisebelisoa tsa khatello, li-capacitive pressure sensors li na le litšenyehelo tse phahameng. Leha ho le joalo, ho nepahala ha bona ho phahameng le ho tšepahala ho phahameng ho etsa hore ba tšoanelehe ho tsetela. Le hoja matsete a pele a phahame, litlhoko tsa bona tse tlaase tsa tlhokomelo le nako e telele ea bophelo li ka fokotsa litšenyehelo tse akaretsang ka nako e telele. Bakeng sa lits'ebetso tse hlokang ho nepahala le botsitso bo phahameng, li-sensor tsa khatello ea capacitive ke khetho e nepahetseng.
Na li-sensor tsa khatello ea capacitive li hloka ho nkeloa sebaka khafetsa?
Hafeela li sebelisoa ka mokhoa o tloaelehileng le ho hlokomeloa kamehla, li-sensor tsa khatello ea capacitive ha li hloke ho nkeloa sebaka khafetsa. Khafetsa ea kamehla le tlhokomelo e netefatsa ts'ebetso e tsitsitseng ea nako e telele ea li-sensor. Lits'ebetsong tse ling tse feteletseng, ho ka 'na ha hlokahala hore ho nkeloe sebaka ho ipapisitse le maemo a itseng, empa ka kakaretso, li-sensor tsa khatello ea capacitive li fana ka ts'ebetso e tšepahalang le e tšoarellang.
Qetello
Li-sensor tsa khatello ea capacitive li na le menyetla e pharaletseng ea ts'ebeliso mafapheng a fapaneng, ka kutloisiso ea tsona e phahameng, ho nepahala, le ho ikamahanya le maemo ho li etsa karolo ea bohlokoa ea theknoloji ea sejoale-joale. Ka tsoelo-pele e tsoelang pele ea theknoloji le ts'ebeliso ea lisebelisoa tse ncha, li-sensor tsa khatello ea capacitive li tla tsoelapele ho bapala karolo ea bohlokoa masimong a ntseng a eketseha. Ka ho utloisisa melao-motheo ea bona ea ts'ebetso, melemo, lits'ebetso le litaba tse tloaelehileng, basebelisi ba ka khetha le ho sebelisa li-sensor tsena tse sebetsang hantle, ho fana ka tharollo e tšepahalang ea ho lekanya khatello bakeng sa maemo a fapaneng a ts'ebeliso.
Nako ea poso: Jun-18-2024