Li-thermistor li sebelisoa haholo lits'ebetsong tsa ho lemoha mocheso le taolo liindastering tse fapaneng. Har'a mefuta e fapaneng eali-thermistore, PTC (Positive Temperature Coefficient) le PT100 ke mefuta e 'meli e sebelisoang haholo. Mefuta ka bobeli ea li-thermistors e sebelisetsoa ho lekanya mocheso, empa li na le litšobotsi le lits'ebetso tse fapaneng. Ho utloisisa liphapang lipakeng tsa li-thermistors tsa PTC le PT100 ho bohlokoa ho khetheng sensor e nepahetseng bakeng sa litlhoko tsa hau tse ikhethileng tsa ho lemoha mocheso.
Thermostara ea PTC:
Li-thermistore tsa PTC ke li-resistor tse arabelang mochesong tse nang le coefficient e ntle ea mocheso, e leng se bolelang hore khanyetso ea tsona ea eketseha ha mocheso o ntse o eketseha. Li-thermistore tsena li entsoe ka thepa ea letsopa e kang barium titanate, 'me khanyetso ea tsona e fetoha haholo ka liphetoho tsa mocheso. Li-thermistore tsa PTC li sebelisoa hangata lits'ebetsong tse hlokang tšireletso ea mocheso o feteletseng, taolo ea boikemelo le moeli oa hona joale.
E 'ngoe ea litšobotsi tse ka sehloohong tsa li-thermistore tsa PTC ke litšobotsi tsa tsona tse itlhomphang. Ha mocheso o ntse o eketseha, khanyetso ea thermistor ea PTC ea eketseha, e leng se etsang hore motlakase o fokotsehe. Boitšoaro bona ba ho itlhompha bo etsa hore li-thermistore tsa PTC li lokele lits'ebetso tse kang tšireletso ea enjene, likarolo tsa ho futhumatsa le tšireletso ea motlakase o feteletseng lipotolohong tsa elektroniki.
Sensor ea mocheso e kobehang:
Li-sensor tsa mocheso tse kobehang li sebelisoa lisebelisoa tsa motlakase ho lekola mocheso oa li-winding tse lienjeneng, li-transformer le lisebelisoa tse ling tsa motlakase. Li-sensor tsena li bohlokoa ho thibela ho chesa haholo le ho netefatsa ts'ebetso e sireletsehileng ea lisebelisoa. Li-sensor tsa mocheso tse kobehang hangata li sebelisa li-thermistors tsa PTC e le likarolo tsa ho lemoha mocheso hobane li na le litšobotsi tse ikamahanyang le maemo 'me li na le kutloelo-bohloko haholo liphetohong tsa mocheso.
Thermostara ea PT100:
PT100 ke sesebelisoa sa ho lemoha mocheso o hanyetsanang (RTD) se sebelisang platinum e le karolo ea ho lemoha. Ho fapana le li-thermistors tsa PTC, khanyetso ea li-thermistors tsa PT100 e eketseha ka tatellano ho latela mocheso, ho latela kamano e tloaelehileng ea khanyetso le mocheso e hlalositsoeng ke International Electrotechnical Commission (IEC). Li-thermistors tsa PT100 li tsebahala ka ho nepahala ha tsona ho phahameng, botsitso le tekanyo e pharaletseng ea mocheso, e leng se etsang hore li be ntle bakeng sa lits'ebetso tsa ho lekanya mocheso ka nepo.
Thermistor ea PT100 e na le khanyetso ea 100 ohms ho 0°C 'me e eketseha ka hoo e ka bang 0.385 ohms bakeng sa tekanyo e 'ngoe le e 'ngoe ea keketseho ea mocheso. Kamano ena e otlolohileng pakeng tsa khanyetso le mocheso e lumella litekanyo tse nepahetseng le tse tšepahalang tsa mocheso holim'a mefuta e mengata ea mocheso.
Phapang pakeng tsa PTC le PT100:
Phapang e kgolo pakeng tsa di-thermistore tsa PTC le PT100 ke dibopeho tsa tsona tsa ho hanyetsa le mocheso. Di-thermistore tsa PTC di bontsha kamano ya ho hanyetsa le mocheso e seng ya mola o otlolohileng ka tekanyo e ntle ya mocheso, ha di-thermistore tsa PT100 di na le kamano ya ho hanyetsa le mocheso e otlolohileng ka tekanyo e batlang e le lefela.
Phapang e 'ngoe e hlokomelehang ke thepa e sebelisoang kahong ea eona. Hangata li-thermistors tsa PTC li entsoe ka thepa ea letsopa, ha li-thermistors tsa PT100 li sebelisa platinum e le karolo ea ho lemoha. Tšebeliso ea platinum ho li-thermistors tsa PT100 e tlatsetsa ho nepahaleng le botsitsong ba tsona bo phahameng, haholo-holo libakeng tse hlokang boiteko ba indasteri le laboratori.
kopo:
Li-thermistore tsa PTC li ka sebelisoa bakeng sa tšireletso e feteletseng, likarolo tsa ho futhumatsa tse itlhophisang, lipotoloho tse fokotsang tsa hona joale le tšireletso ea enjene. Boitšoaro ba tsona ba ho itlhophisa bo li etsa hore li lokele lits'ebetso moo taolo ea mocheso le tšireletso li leng bohlokoa.
Ka lehlakoreng le leng, li-thermistor tsa PT100 li sebelisoa haholo libakeng tsa indasteri le tsa laboratori bakeng sa tekanyo e nepahetseng ea mocheso. Li sebelisoa hangata lits'ebetsong tsa ho lekola mocheso, likamoreng tsa tikoloho, lits'ebetsong tsa HVAC, le lits'ebetsong tsa lipatlisiso tsa mahlale moo ho lemoha mocheso ka nepo le ka botsitso ho leng bohlokoa.
Ka bokhutšoanyane, leha li-thermistore tsa PTC le PT100 li sebelisoa bakeng sa ho lemoha mocheso, li na le litšobotsi le lits'ebetso tse fapaneng. Li-thermistore tsa PTC li tsebahala ka boitšoaro ba tsona bo itlhophisang 'me li sebelisoa hangata lits'ebetsong tse hlokang tšireletso ea mocheso o feteletseng le ho fokotsa motlakase. Ka lehlakoreng le leng, li-thermistore tsa PT100 li fana ka ho nepahala le botsitso bo phahameng, e leng se etsang hore li lokele litekanyo tse nepahetseng tsa mocheso libakeng tsa indasteri le tsa laboratori. Ho utloisisa liphapang lipakeng tsa li-thermistore tsena ho bohlokoa ho khetheng sensor e loketseng litlhoko tsa hau tse ikhethileng tsa ho lemoha mocheso.
Nako ea poso: Mmesa-05-2024