E,terata ea thermocouplee ka atolosoa, empa lintlha tse 'maloa tsa bohlokoa li lokela ho nahanoa ho netefatsa tekanyo e nepahetseng ea mocheso le botšepehi ba sistimi. Ho utloisisa likarolo tsena ho ke ke ha u thusa feela ho etsa liqeto tse nang le tsebo empa hape ho tla bontša ho tenyetseha le ho ikamahanya le maemo ha lihlahisoa tsa rona tsa terata ea thermocouple ea boleng bo holimo.
Li-thermocouple li sebetsa ho latela phello ea Seebeck, moo phapang ea mocheso pakeng tsa litšepe tse peli tse fapaneng e hlahisang matla a motlakase (EMF). Ha ho atolosoa lithapo tsa thermocouple, ho bohlokoa ho sebelisa lithapo tsa katoloso tse entsoeng ka thepa e nang le thepa e tšoanang ea thermoelectric le terata ea pele ea thermocouple. Sena se tiisa hore EMF e hlahisoang ke gradient ea mocheso ho latela bolelele bo atolositsoeng e lula e lumellana le litšobotsi tsa thermocouple ea pele.
Khamphani ea rona e fana ka mefuta e mengata ea lithapo tsa katoloso tsa thermocouple tse nepahetseng haholo. Lithapo tsena tsa katoloso li etsoa ho latela maemo a thata a indasteri, ho netefatsa puseletso e ntle ea mocheso le ho sotha ha lets'oao hanyane. Li fumaneha ka mefuta e fapaneng, joalo kaJ, K, T, E, SleR, e ka tsamaellanang hantle le mefuta e fapaneng ya thermocouple mmarakeng. Thepa e sebediswang dithapong tsa rona tsa katoloso e hanela haholo oxidation le mafome, e leng se fanang ka botsitso ba nako e telele dibakeng tse fapaneng tsa mosebetsi.
Ha ho tluoa mehatong e itseng ea ts'ebetso ea ho atolosa lithapo tsa thermocouple, pele, o hloka ho seha terata ea thermocouple ea pele sebakeng se loketseng ka sesebelisoa se bohale sa ho seha terata. Ebe u hlobola hoo e ka bang 1 - 2 cm ea lera la ho thibela mocheso qetellong ea terata ea pele le terata ea katoloso u sebelisa li-stripper tsa terata. Ka mor'a moo, sotha lithapo tsa tšepe tse se nang letho tsa terata ea pele le terata ea katoloso hammoho ka tieo, u netefatse hore motlakase o kopane hantle. Kamora moo, sebelisa tšepe ea ho kopanya le ho kopanya ho kopanya karolo e sothehileng, ho ntlafatsa ts'epo ea khokahano. Qetellong, koahela lenonyello le sothehileng ka tube ea ho fokotsa mocheso 'me u sebelise mocheso ka sethunya sa ho futhumatsa mocheso ho fokotsa tube, ho fana ka insulation le tšireletso.
Bakeng sa lisebelisoa le thepa e khethehileng e hlokahalang, ntle le li-wire cutter tse boletsoeng, li-wire stripper, tšepe ea ho kopanya, solder le liphaephe tsa ho fokotsa mocheso, u ka 'na ua hloka multimeter ho hlahloba ho tsoela pele ha motlakase ha terata e atolositsoeng pele u e kenya. Khamphani ea rona e ka fana ka sete e felletseng ea lisebelisoa hammoho le terata ea thermocouple le lihlahisoa tsa terata ea katoloso, e leng se u pholosang mathata a ho li fumana ka thoko.
Kamora ho atolosa terata ea thermocouple, ho lekanyetsa hoa hlokahala ho netefatsa tekanyo e nepahetseng ea mocheso. Mokhoa o mong o tloaelehileng oa ho lekanyetsa ke ho sebelisa mohloli oa mocheso o leka-lekaneng. Beha kopano ea thermocouple tikolohong e tsejoang ea mocheso, joalo ka calibrator ea block e omileng kapa setofo se nang le boemo bo tsitsitseng ba mocheso. Ebe, lekanya motlakase oa tlhahiso ea thermocouple u sebelisa multimeter ea dijithale e nepahetseng. Bapisa motlakase o lekantsoeng le tafole ea mocheso oa motlakase o tloaelehileng o tsamaellanang le mofuta oa thermocouple. Haeba ho na le ho kheloha, fetola sistimi ea tekanyo kapa liparamente tsa ho lekanyetsa ho latela boleng ba ho kheloha. Sehlopha sa rona sa tšehetso ea tekheniki se ka fana ka tataiso e qaqileng ea ho lekanyetsa ho netefatsa hore u ka qeta ts'ebetso ea ho lekanyetsa hantle.
Ntle le ho sebelisa lithapo tse loketseng tsa katoloso, ho kenya ka nepo le hona ke habohlokoa. Katoloso e sa kenngoang hantle e ka hlahisa khanyetso e eketsehileng, lerata le liphoso. Lihlahisoa tsa rona li tla le litataiso tse qaqileng tsa ho kenya, 'me sehlopha sa rona sa tšehetso ea tekheniki se lula se loketse ho u thusa ka lipotso life kapa life tse amanang le ho kenya.
Molemo o mong oa lihlahisoa tsa rona tsa terata ea thermocouple ke ho tšoarella ha tsona. Li entsoe ka thepa ea maemo a holimo, li ka mamella maemo a thata a tikoloho, ho kenyeletsoa mocheso o phahameng, mongobo le ho pepesehela lik'hemik'hale. Sena se bolela hore leha li ka atolosoa, lithapo tsa rona tsa thermocouple li tla boloka ts'ebetso e tsitsitseng nakong ea bophelo bo bolelele ba ts'ebeletso.
Ha re phethela, ho atolosa terata ea thermocouple hoa khoneha, 'me ka lihlahisoa tsa rona tse tšepahalang tsa terata ea thermocouple le terata ea katoloso, hammoho le lits'ebeletso tse felletseng tsa tšehetso, u ka atolosa ka kholiseho litsamaiso tsa hau tsa ho lekanya mocheso. Ebang ke bakeng sa lits'ebetso tsa indasteri, lipatlisiso tsa mahlale, kapa masimo a mang, lihlahisoa tsa rona li fana ka litharollo tse nepahetseng, tse tsitsitseng le tse tšoarellang nako e telele bakeng sa litlhoko tsa hau tsa ho lemoha mocheso.
Nako ea poso: Mots'eanong-20-2025



