Li-Thermocouples ke tse ling tsa li-sensor tsa mocheso tse sebelisoang haholo ho pholletsa le liindasteri tse kang ho etsa thepa, HVAC, likoloi, sefofane, le ho lokisa lijo. Potso e tloaelehileng e tsoang ho baenjiniere le litsebi ke: Na li-thermocouples li hloka terata e khethehileng? Karabo ke e e hlakileng—li-thermocouples li tlameha ho hokahanngoa le mofuta o nepahetseng oa terata ho netefatsa litekanyo tse nepahetseng le tse tšepahalang tsa mocheso.
Hobaneng ha Thermocouples e Hloka terata e Khethehileng
Li-Thermocouples li sebetsa ho itšetlehile ka phello ea Seebeck, moo litšepe tse peli tse sa tšoaneng li hlahisang motlakase o monyenyane (ka millivolts) o lekanang le phapang ea mocheso pakeng tsa mateko a ho lekanya (qetellong e chesang) le mateano a litšupiso (qetello e batang). Voltage ena e na le kutloelo-bohloko haholo, 'me ho kheloha leha e le hofe ha sebopeho sa mohala ho ka hlahisa liphoso.

Mabaka a Bohlokoa Ke Hobane'ng ha Mohala o Tloaelehileng oa Motlakase o ke ke oa Sebetsa
1. Ho lumellana ha Lintho
- Thermocouples e entsoe ka lipara tse khethehileng tsa tšepe (mohlala.Mofuta oa Ke sebelisa Chromel le Alumel,Mofuta oa Jsebedisa Tshipi le Constantan).
- Ho sebelisa mohala o tloaelehileng oa koporo ho ne ho tla senya potoloho ea thermoelectric, e leng se lebisang ho baleng ho fosahetseng.
2. Ho hanyetsa Mocheso
- Thermocouples hangata e sebetsa ka mocheso o feteletseng (ho tloha -200 ° C ho ea ho 2300 ° C, ho itšetlehile ka mofuta).
- Lithapo tse tloaelehileng li ka 'na tsa oxidize, tsa thefula, kapa tsa qhibiliha ka tlas'a mocheso o phahameng, tsa baka ho hoholeha kapa ho hloleha ha lets'oao.
3. Ponahalo ea Pontšo & Khahlano ea Lerata
- Matšoao a Thermocouple a maemong a millivolt, a etsa hore a hlaselehe habonolo ke tšitiso ea motlakase (EMI).
- Thermocouple terata e nepahetseng e kenyelletsa tšireletso (mohlala, e lohiloeng kapa e sirelelitsoeng ka foil) ho thibela lerata ho khopamisa ho bala.
4. Ho nepahala ha Calibration
- Mofuta o mong le o mong oa thermocouple (J, K, T, E, joalo-joalo) o na le curve e tloaelehileng ea mocheso oa motlakase.
- Ho sebelisa mohala o sa tsamaellaneng ho fetola kamano ena, ho lebisa ho liphoso tsa tlhophiso le data e sa tšepahaleng.
Mefuta ea mohala oa Thermocouple
Ho na le mekhahlelo e 'meli e meholo ea mohala oa thermocouple:
1. Mohala oa Katoloso
- E entsoe ka li-alloys tse tšoanang le thermocouple ka boeona (mohlala, mohala oa mofuta oa K o sebelisa Chromel le Alumel).
- E sebelisoa ho holisa lets'oao la thermocouple maetong a malelele ntle le ho hlahisa liphoso.
- E sebelisoa ka mokhoa o itekanetseng tikolohong ea mocheso o itekanetseng (kaha mocheso o phahameng o ntse o ka ama ho kenya letsoho).
2. Compensating Wire
- E entsoe ka thepa e fapaneng empa e tšoana le thermoelectrically (hangata e theko e tlase ho feta li-alloys tse hloekileng tsa thermocouple).
- E etselitsoe ho tsamaisana le tlhahiso ea thermocouple mocheso o tlase (hangata o ka tlase ho 200°C).
- Hangata e sebelisoa liphanele tsa taolo le lisebelisoa moo mocheso o feteletseng e seng ntho e ka sehloohong.
Mefuta ena ka bobeli e tlameha ho latela maemo a indasteri (ANSI/ASTM, IEC) ho netefatsa botsitso le ts'ebetso.
Ho Khetha mohala o nepahetseng oa Thermocouple
Ha u khetha terata ea thermocouple, nahana ka:
- Mofuta oa Thermocouple (K, J, T, E, joalo-joalo) - E tlameha ho lumellana le mofuta oa sensor.
- Temperature Range - Etsa bonnete ba hore mohala o khona ho sebetsana le maemo a lebelletsoeng a ts'ebetso.
- Insulation Material - Fiberglass, PTFE, kapa lisebelisoa tsa ceramic bakeng sa lits'ebetso tse futhumatsang haholo.
- Litlhoko tsa Tšireletso - Tšireletso e lohiloeng kapa ea foil bakeng sa ts'ireletso ea EMI libakeng tsa indasteri.
- Flexibility & Durability - terata e koetsoeng bakeng sa ho kobeha ho tiileng, motheo o tiileng bakeng sa lits'ebetso tse tsitsitseng.
Litharollo tsa rona tsa boleng bo holimo tsa Thermocouple Wire
Ho Tankii, re fana ka terata ea premium thermocouple e etselitsoeng ho nepahala, ho tšoarella le ho ts'epahala. Lihlahisoa tsa rona li kenyelletsa:
- Mefuta e mengata ea Thermocouple (K, J, T, E, N, R, S, B) - E lumellana le litekanyetso tsohle tse kholo tsa thermocouple.
- Likhetho tsa Mocheso o Phahameng le tse sa Thing - E loketse maemo a thata a indasteri.
- Mefuta e Sirelelitsoeng le e Insulated - Fokotsa tšitiso ea matšoao bakeng sa 'malo o nepahetseng.
- Bolelele le Litlhophiso tsa Tloaelo - E ipapisitse le litlhoko tsa hau tse ikhethileng tsa kopo.
Thermocouples e tlameha ho hokahanngoa le terata e nepahetseng hore e sebetse hantle. Ho sebelisa terata e tloaelehileng ea motlakase ho ka lebisa liphosong tsa tekanyo, tahlehelo ea mats'oao, kapa ho hloleha ha sensor. Ka ho khetha terata e nepahetseng ea thermocouple-ebang ke katoloso kapa e lefella-o netefatsa ho nepahala ha nako e telele, botsitso le ts'ebetso lits'ebetsong tsa hau tsa ho hlahloba mocheso.
Bakeng sa tataiso ea litsebi le litharollo tsa terata tsa boleng bo holimo tsa thermocouple,iteanye le ronakajeno kapa u shebe lethathamo la lihlahisoa tsa rona ho fumana mofuta o phethahetseng oa kopo ea hau!
Nako ea poso: Apr-23-2025