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Ngaba i-thermocouples ifuna ucingo olukhethekileyo?

I-Thermocouples ziphakathi kwezona zinzwa zobushushu zisetyenziswa kakhulu kuwo wonke amashishini afana nokuvelisa, i-HVAC, iimoto, i-aerospace, kunye nokulungiswa kokutya. Umbuzo oqhelekileyo ovela kwiinjineli kunye neengcali: Ngaba i-thermocouples ifuna ucingo olukhethekileyo? Impendulo ngu-ewe-i-thermocouples kufuneka idibaniswe nohlobo oluchanekileyo locingo ukuze kuqinisekiswe imilinganiselo yokushisa echanekileyo kunye nethembekileyo.

 

Kutheni iThermocouples ifuna ucingo olukhethekileyo

I-Thermocouples isebenza ngokusekelwe kwimpembelelo ye-Seebeck, apho iintsimbi ezimbini ezingafaniyo zivelisa i-voltage encinci (kwi-millivolts) ngokuhambelana nomlinganiselo weqondo lokushisa phakathi komlinganiselo wokulinganisa (isiphelo esishushu) kunye ne-reference junction (isiphelo esibandayo). Lo mbane ubuthathaka kakhulu, kwaye nakuphi na ukutenxa kwindlela yokwakhiwa kweengcingo kunokungenisa iimpazamo.

thermocouples zifuna ucingo olukhethekileyo

Izizathu ezingundoqo zokuba kutheni ucingo oluqhelekileyo loMbane lungayi kusebenza

1. Ukuhambelana kwezinto
- I-Thermocouples zenziwe ngezibini zentsimbi ezithile (umz.Uhlobo Kisebenzisa iChromel kunye neAlumel,Uhlobo Jusebenzisa i-Iron kunye neConstantan).
- Ukusebenzisa ucingo oluqhelekileyo lobhedu kuya kuphazamisa isekethe ye-thermoelectric, ekhokelela ekufundweni okungachanekanga.
2. Ukumelana nobushushu
- I-Thermocouples ihlala isebenza kumaqondo okushisa aphezulu (ukusuka -200 ° C ukuya ngaphezu kwe-2300 ° C, kuxhomekeke kuhlobo).
- Iingcingo eziqhelekileyo zinokuthi zixutywe, zithobe, okanye zinyibilike phantsi kobushushu obuphezulu, zibangele ukukhukuliseka komqondiso okanye ukusilela.
3. Umqondiso weMfezeko kunye noKuchasa ingxolo
- Iimpawu ze-Thermocouple zikuluhlu lwe-millivolt, zibenza babe sesichengeni sokuphazamiseka kwe-electromagnetic (EMI).
- Ucingo olufanelekileyo lwe-thermocouple lubandakanya ukukhusela (umzekelo, ukuphonswa okanye ukukhuselwa kwe-foil) ukuthintela ingxolo ekuphazamiseni ukufunda.
4. Ukuchaneka kolungelelwaniso
- Uhlobo ngalunye lwe-thermocouple (J, K, T, E, njl.) lunomlinganiselo oqhelekileyo we-voltage-temperature curve.
- Ukusebenzisa ucingo olungahambelaniyo kuguqula olu lwalamano, lukhokelela kwiimpazamo zokulinganisa kunye nedatha engathembekanga.

 

Iintlobo zocingo lweThermocouple

Kukho iindidi ezimbini eziphambili zocingo lwe-thermocouple:
1. Ukwandiswa kocingo
- Yenziwe nge-alloys efanayo ne-thermocouple ngokwayo (umzekelo, Uhlobo lwe-K lwentambo yolwandiso lusebenzisa i-Chromel kunye ne-Alumel).
- Isetyenziselwa ukwandisa umqondiso we-thermocouple kumgama omde ngaphandle kokwazisa iimpazamo.
- Ngokuqhelekileyo isetyenziswa kwiindawo zobushushu obuphakathi (ekubeni ubushushu obuphezulu busenokuchaphazela ukugquma).
2. Imbuyekezo yocingo
- Yenziwe ngezinto ezahlukeneyo kodwa ezifana ne-thermoelectrically (ihlala ibiza ngaphantsi kune-alloys ecocekileyo ye-thermocouple).
- Yenzelwe ukuhambelana nemveliso ye-thermocouple kumaqondo aphantsi obushushu (ngokuqhelekileyo ngaphantsi kwe-200 ° C).
- Ngokuqhelekileyo isetyenziswe kwiipaneli zokulawula kunye nezixhobo apho ubushushu obugqithiseleyo abuyiyo into.
Zombini iintlobo kufuneka zihambelane nemigangatho yoshishino (ANSI / ASTM, IEC) ukuqinisekisa ukuhambelana nokusebenza.

  

Ukukhetha ucingo oluLungileyo lweThermocouple

Xa ukhetha ucingo lwe-thermocouple, qwalasela:
- Uhlobo lwe-Thermocouple (K, J, T, E, njl.) - Kufuneka ihambelane nodidi loluvo.
- Uluhlu lweTemperature - Qinisekisa ukuba ucingo lunokusingatha iimeko zokusebenza ezilindelekileyo.
- Izinto zokugquma -I-Fiberglass, i-PTFE, okanye ukufakwa kwe-ceramic kwizicelo zobushushu obuphezulu.
- IiMfuno zokuKhusela - I-Braided okanye i-foil shielding yokukhusela i-EMI kwiindawo zoshishino.
-Ukuguquguquka kunye noKuhlala ixesha elide-Iingcingo ezinqamlekileyo zokugoba okuqinileyo, undoqo oqinileyo wofakelo olusisigxina.

 

Izisombululo zethu zocingo zoMgangatho oPhezulu weThermocouple

E-Tankii, sibonelela nge-premium thermocouple ucingo oluyilelwe ukuchaneka, ukuqina, kunye nokuthembeka. Unikezelo lwemveliso yethu lubandakanya:
- Iintlobo ezininzi ze-Thermocouple (K, J, T, E, N, R, S, B) - Iyahambelana nayo yonke imigangatho ye-thermocouple enkulu.
-Ubushushu obuphezulu kunye noKhetho oluNganyangekiyo kukuMhlwa - Ilungele imeko yemizi-mveliso erhabaxa.
-Izahluko eziKhuselweyo neziKhuselweyo – Nciphisa ukuphazamiseka komqondiso wofundo oluchanekileyo.
-Ubude obuSiko kunye noLungiso-Ilungelelaniswe neemfuno zakho zosetyenziso.

 

I-Thermocouples kufuneka idityaniswe ngocingo oluchanekileyo ukuze isebenze ngokufanelekileyo. Ukusebenzisa ucingo oluqhelekileyo lombane kunokukhokelela kwiimpazamo zokulinganisa, ukulahleka komqondiso, okanye ukungaphumeleli kwenzwa. Ngokukhetha ucingo olufanelekileyo lwe-thermocouple-nokuba ukwandiswa okanye ukuhlawulela-uqinisekisa ukuchaneka kwexesha elide, ukuzinza, kunye nokusebenza kwiinkqubo zakho zokubeka iliso lobushushu.

Ukufumana isikhokelo sobuchwephesha kunye nezisombululo zocingo ezikumgangatho ophezulu we-thermocouple,Qhagamshelana nathinamhlanje okanye ukhangele ikhathalogu yethu yemveliso ukufumana umdlalo ogqibeleleyo wesicelo sakho!


Ixesha lokuposa: Apr-23-2025