IiThermocouples ezifakwe ubushushu obuphezulu
Ingcaciso yeMveliso
Iithermocouples ezinesheya (ezaziwa ngokuba zii-thermocouples ezifakwe i-mineral-insulated) zizinzwa zobushushu bemizi-mveliso ezisebenza kakuhle ezenzelwe ukusetyenziswa ngokungxamisekileyo.Iintlobo eziphambili ziquka u-K, u-N, u-E, u-J, u-T, kunye no-S, ekwaziyo ukulinganisa amaqondo obushushu ukusuka kwi -200°C ukuya kwi 1300°C kwizinto ezimanzi, umphunga, iigesi, kunye neendawo eziqinileyo.
Iithermocouples ezinesheya zisetyenziswa kakhulu kumashishini afana nepetroleum, iikhemikhali, ukuveliswa kwamandla, i-metallurgy, kunye ne-aerospace.
I-thermocouple enesheya yi-sensor yobushushu eyenziwe ngenkqubo yokuxinana koomatshini, edibanisa iingcingo ze-thermocouple, izinto zokukhusela, kunye nesheya yesinyithi. Inokuguquguquka, ukumelana nobushushu obuphezulu, kunye nokunyamezela uxinzelelo oluphezulu. Xa kuthelekiswa ne-thermocouple zesiqhelo, uhlobo lwesheya lunobubanzi obuncinci kunye nokugoba okuphezulu, okwenza ukuba ifaneleke ukulinganiswa kobushushu kwiindawo ezimxinwa, ezinzima ukufikelela kuzo, ngelixa ikwabonelela ngempendulo ekhawulezileyo.
Umgaqo oSebenzayo weeThermocouples eziGxothiweyo
Umgaqo wokulinganisa ubushushu we-thermocouple enesheya uyafana nowe-thermocouple eqhelekileyo, ngokusekelwe kwisiphumo seSeebeck. Xa kukho umahluko wobushushu phakathi kwe-junction yokulinganisa (isiphelo esishushu) kunye ne-reference junction (isiphelo esibandayo/isiphelo soqhagamshelo), i-thermal electromotive force (EMF) iveliswa kwisekethe eyenziwe zii-conductors ezimbini ezahlukeneyo. Ngokulinganisa le EMF yobushushu, ubushushu kwi-junction yokulinganisa bunokufunyanwa.
Iimpawu zeSheathed Thermocouples
• Ixesha elikhawulezayo lokuphendula ngobushushu kunye nempazamo ephantsi yokuguquguquka
• Amandla aphezulu oomatshini, ukumelana noxinzelelo, impembelelo, kunye nokungcangcazela
• Ufakelo oluguquguqukayo ngenxa yokugoba
• Ayimelani namaqondo obushushu aphezulu kunye nokugqwala
Izicelo zeSheathed Thermocouples
• Ulawulo lweenkqubo zoshishino:Ukubeka iliso nokulawula ubushushu kwiipayipi, ii-reactors, kunye nezinye izixhobo kumashishini epetroleum, iikhemikhali, kunye namandla.
• Ukusetyenziswa kobushushu obuphezulu kunye ne-metallurgical:Ukulinganiswa kobushushu kwizixhobo ezishushu kakhulu ezifana nee-ovens kunye nee-blast ovens kwimizi-mveliso yentsimbi nesamente.
• Iindawo ezikhethekileyo:Ukulinganisa ubushushu obukhawulezayo okanye obuvalekileyo kwindawo evavanyekayo kwiinjini zeenqwelo-moya kunye novavanyo lophando lwesayensi.
• Iimeko ezifuna ukwenziwa:Iindawo zokusebenza ezintsonkothileyo ezibandakanya ukungcangcazela, uxinzelelo oluphezulu, iimfuno zokufakelwa okugobileyo, okanye imfuneko yokusabela ngokukhawuleza.
Iintlobo zeThermocouple Measuring Junction
Uhlobo olusekelwe phantsi:Indawo yokulinganisa idityaniswe kwishelufu, nto leyo enika impendulo ekhawulezayo. Nangona kunjalo, ayifanelekanga kwimidiya eqhubayo okanye ebolileyo.
Uhlobo olungenanto:Indawo yokulinganisa igqunywe ngombane kwi-sheath. Inika impendulo ecothayo kancinci kodwa inamandla okuzikhusela kwingxolo, lolona hlobo lusetyenziswa kakhulu, kwaye inobomi obude benkonzo.
Uhlobo oluveziweyo:Indawo yokulinganisa ivezwa ngaphandle kweshedi, nto leyo enika impendulo ekhawulezayo kakhulu. Nangona kunjalo, ezi ntambo zinokonakala, nto leyo ethintela ukusetyenziswa kwazo kwiindawo ezomileyo nezingonakalisiyo.
Iintlobo zeeThermocouples
| Uhlobo lweThermocouple | Uluhlu Lokulinganisa | Iklasi yokuchaneka I | Iklasi yokuchaneka II |
| K | -40 ukuya kwi-1200℃ | ±1.5℃ | ±2.5℃ |
| N | -40 ukuya kwi-1200℃ | ±1.5℃ | ±2.5℃ |
| E | -40 ukuya kwi-900℃ | ±1.5℃ | ±2.5℃ |
| J | -40 ukuya kwi-750℃ | ±1.5℃ | ±2.5℃ |
| T | -40 ukuya kwi-1000℃ | ±0.5℃ | ±1.0℃ |
| S | 0 ukuya kwi-1600℃ | ±1.0℃ | ±1.5℃ |
Isikhokelo sokukhetha iThermocouple
Uhlobo lwe-thermocouple:K, N, E, J, T, S
Iklasi yokuchaneka:I / II
Inani lezinto:Inye / Imbini
Uqhagamshelo lweNkqubo:I-Threaded okanye iFlange, Iyasuswa okanye Ilungisiwe
Uhlobo lokulinganisa iJunction:Ifakwe i-insulation, Isekelwe emhlabeni, Iveziwe
Izinto zoMngxunya:I-304/316L/321 Intsimbi Engagqwaliyo, Inconel 600, GH3030/GH3039 (GB/T)
Ububanzi besingxobo (mm):φ2, φ3, φ4, φ5, φ6, φ8
Ubude okanye Ubunzulu bokufakwa:Ingenziwa ngokwezifiso
Uhlobo lweNtloko yoQhagamshelo:Ayitshisi, Ayingeni manzi, Ayidibani ngokukhawuleza, Ayidibani ngokukhawuleza, Uhlobo loMqheba, Ngentambo yoMbuyekezo
Ukuze ufumane iinkcukacha ezithe vetshe malunga neemveliso zethu ze-thermocouple ezifakwe isigqubuthelo, nceda unxibelelane nathi. Siza kukuphendula ngokukhawuleza.













