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.

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