Thermocouple - ntoni na? Thermocouple ukuba kwibhoyila igesi

Thermocouple - ntoni na? Kuninzi esele kucacile kwisihloko. Le fowuni i transducer esetyenziselwa ukulinganisa iqondo lobushushu medium ukusebenza. Ngokwemo, iquka kwezinikezeli ezimbini zesinyithi ezahlukeneyo welding, okanye soldered omnye komnye kwelinye icala. Le fowuni Ilula kakhulu, kodwa umgangatho ukuba kube nzima.

Indlela thermocouple

umqhubi ezimbini ayaba edibanisiwe kwi ngomsesane. Xa Amazinga kwamalungu ezahlukeneyo, umahluko okunokwenzeka kwenzeka phakathi kwabo ngenxa isiphumo thermoelectric.

thermocouple mgaqo ngolu hlobo. Le eliphakathi nelawulwa, isiphambuka eshushu obekwe, kunye neziphelo ezamahala oxhulumene kwi isixhobo yokulinganisa. I-mkhulu umahluko phakathi iimpawu izinikezeli kunye umahluko wobushushu ngapha iziphelo ngasentla amandla electromotive kwisiphaluka (EMF thermal).

Ubudlelwane phakathi ombane kunye lobushushu yahluka ukusuka ezahlukeneyo zesinyithi. Abo okanye ezinye iindidi abenzi boluvo yakhelwe parameter yayo thermal. Banako ukuba ukumelana ezahlukileyo umhlwa kunye nokusingqongileyo entsimbini.

ukuqashwa

Kuba umsebenzi inkathazo-free of izixhobo zokufudumeza thermocouple ezisetyenziswayo. Yintoni na ukuba kwibhoyila gas? Yaye isebenza njani? Makuthathelwe kufuneka banikwe ngakumbi. Okokuqala, inikeza isixhobo livaliwe-off oluzenzekelayo ngexesha kucime ze kwibhoyila igesi. Le thermocouple for cookers igesi kwakhona kuyimfuneko ukwenza irhasi ucinezelo zombane ngokukhawuleza njengoko iqalisa ukuba akondle. Ukongezelela imisebenzi ulawulo sixhobo zingasetyenziswa njenge woluvo lobushushu.

isithunzi

Khawuve oko thermocouple uneempawu ezintle:

• isixhobo ngobuciko eliphezulu;

• uluhlu yokulinganisa olubanzi;

• amathuba ukulungisa iqondo lobushushu eliphezulu;

• isakhiwo elula;

• ukufumaneka, iindleko kunye nokuqina eliphantsi thermoelectrodes;

• Ukufakelwa nokugcinwa lula.

ukushiyeka

Xa thermocouple kukhona downsides:

• uvakalelo eliphantsi kakhulu;

• ukumelana enkulu;

• nonlinearity obushushu ukuxhomekeka kwemikhosi thermal electromotive;

• imfuneko zenza ukugcina iqondo lobushushu omnye eziphelweni.

Thermo EMF electrode akuguquki kuxhomekeke ubukho ubumdaka kwi isinyithi, unyango ngoomatshini kunye thermal. Ukwandisa ukusetyenziswa kwalo thermocouples ezininzi thermopile.

Iimpawu device Industrial thermocouple

abenzi boluvo thermal zenziwa becala ngentsimbi amanene. Ukususela bume yangaphandle tube evaliweyo kunye esisangqa, nelisebenza ukunyusa icebo. kufaneleka zothintelo sikhusela izinikezeli kwimpembelelo ezingqongileyo ndlongondlongo yaye ngaphandle umthungo. Le ebonakalayo eqhelekileyo (ku-600 ° C) okanye insimbi (ukuya ku 1100 ° C) ngentsimbi. Thermoelectrodes bodwa bangadibani namanye ityhubhu asbestos imveliso yephondo nganye okanye amaso yodongwe.

Ukuba terminal usondele, iingcingo thermocouple anxulumene kuyo ngqo ngaphandle izihlanganisi ezongezelelweyo. Xa imeko isixhobo yokulinganisa mgama, xa ifakwe chain eziphelweni sesisa thermocouple babekwa intloko otyhidiweyo, eqhotyoshelwe ithumbu olukhuselayo. Phakathi iiterminal ubhedu zilungiswe kwi imbuyekezo esekelwe porcelain loqhakamshelwano iingcingo ezenziwe ngayo izinto ezifanayo njengoko thermoelectrodes kodwa ukuba iimpawu echanekileyo kwaye kulawulwe hayi. Zinelungelo ngexabiso eliphantsi kunye ubukhulu enkulu. Bona eyaziswa intloko ngenxa emkhonweni kunye asbestos gasket. Ukubumba isebenza alinganayo ubushushu onke amalungu. inshorensi Top yokuzikhusela azinamsonto ngetywina hermetic.

Ngomhla wire crimp yokuyeka ayikwazi ifakwe, njengoko kwehlisa ngokuchaneka ukufundwa. Wire wenza icici ukubacinezela phantsi iqhosha lemenyu.

Ukulungiswa utshintsho lobushushu kwi iiclamps zingenziwa isixhobo se-elektroniki, nto leyo eyandisa ngokuchaneka ngokwemilinganiso.

Yintoni ube thermocouple. Price ne Faka

A thermocouple kungenziwa omthuqwa zonke iingcingo ezimbini ezingafani. Ngaba magama kwi izinto kushishino ekwaziyo withstanding amaqondo obushushu aphezulu, ezomeleleyo thermo-electromotive amandla eliphezulu. Kukho nezinye izixhobo ahambisane ngobuciko eliphezulu kwaye yokusebenza Umgaqo, kodwa thermocouple lula kunye nezixhobo enganeno.

I electrode wasebenzisa ethambileyo annealed wire aluminiyamu ezizodwa. Usebenza lobushushu liphezulu izidanga 1000. I-aluminiyamu namanani ezizinzileyo kunye aphezulu amandla thermo-electromotive.

abenzi boluvo ne electrode ezimbini, apho cathode yi intsila nickel-chromium (Chromel) Eyona eqhelekileyo, kwaye anode - omnye intsimbi, ezifana alumel (thermocouple TCA). Umdibaniso elula lwenziwe ngefolokhwe.

uhlobo ngalunye woluvo kwahlukile ngokusebenza uluhlu iqondo lobushushu, ubungakanani EMF eyenziwe, ukumelana ukuhlasela koomatshini, imichiza, iyahlala interchangeability.

Kuyimfuneko kuphela ukuthenga izixhobo ezinjalo, leyo bahambelana imiqathango efunekayo. Oku kusebenza ngokukodwa uxhathiso ubushushu, okanye kungekudala kuza kufuneka ukutshintsha ifowuni.

Thermocouple for Boiler wabulawa ngeendlela ezahlukileyo ngokuxhomekeke model. ukunceda manani malunga kwinqanaba elifanayo. Kwi-avareji, bona akhawunti ngenxa 500-600 engange. Xa urhwebo kukwakho abenzi boluvo epheleleyo kunye converter ezongezelelweyo ze-elektroniki, nto leyo eyenza Ufundo isixhobo intlawulo. Yena ihlanganiswe ngqo kwi intloko thermocouple. ixabiso woluvo liphezulu, kodwa oko akuthethi ukuba iingcingo zembuyekezo. K intloko thermocouple ukuba uqhagamshele ucingo lobhedu oluqhelekileyo.

Kukhethwa ukuba uthathe imveliso njengezibonelo ezithile, nengcombolo eziyifaneleyo kunye. iyahlala isixhobo jikelele musa kwahluka.

iintlobo cone

1. Chwetheza K nickel-chromium (TXA thermocouple) okanye nickel-alumel (HA) ukuba le mihlaba ilandelayo: ngendleko ephantsi, uqinile, ukuchaneka ayikho ngaphezulu kwe 0.4%, imilinganiselo ekungabalwa -270 ukuya degrees 1269. Yenzelwe ukusebenza ngendlela oxidizing kunye umoya egalelwe.

2. L - chromel-kopel (TCA), thermocouple ezingabizi ne elilelona liphezulu kwiqondo 600.

3. J - yentsimbi-constantan. Zomenzi lukazi yesibini ethandwa, uluhlu uvela degrees -210 ukuya 760, ngaphantsi ixesha elide, ukumelana igcwala.

4. E - i-nickel-chromium okanye nickel-constantan ngokuchanileyo ephakamileyo ixabiso umqondiso, nelona qondo liphezulu zomlinganiselo ingadluli degrees 870.

5. Abenzi boluvo ezenziwe amatye anqabileyo zisebenze kwiqondo eliphezulu, kodwa ube iindleko eziphezulu, ngoko ke ezininzi eziqhele ukusetyenziswa kushishino.

uqhagamshelo Embodiments thermocouple

Ngu ndlela yokulinganisa abenzi boluvo abaninzi eqhelekileyo nisekelwe. Bona iphela wire welding, ibe single unit, noluya olumayelana ekhethekileyo. Emkhonweni ke wadibana iqokobhe zokhuseleko engaphandle, apho ubushushu ikhutshelwe ngokukhawuleza, kwaye thermocouple na inertia ephantsi. Ukuchaneka yokufundwa lichatshazelwe kakhulu ukuphazamiseka yombane. Ngokwalo mgaqo usebenza thermocouple ukuba kwibhoyila igesi. Icebo yokulinganisa ufanele ukuba kufakwe njengokuba emhlabeni ukuze iisekethe ezongezelelweyo, leyo angenise impazamo kwi ukufundwa.

Ukuba isiphambuka ayikho ukunxibelelana kwiqokobhe yokhuselo, ngoko eli uyilo kuthiwa nozinzo. Nangona ukuba kule meko woluvo liyancipha speed, lingaphantsi sifo ukulahlekana ukuphazamiseka yombane.

kuhlangana Umsebenzi nayo abeke ngqo le nkqubo, kodwa le ndlela kunciphisa ubomi wenkonzo isixhobo ngenxa umhlwa. Ekuvelisweni a thermocouple eso sisetyenziselwa kunqabile, kunye zombane zasekhaya kuyabonakala yonke.

Sokulinganisa iqondo lobushushu kwi amanqaku eziliqela isicelo multizone thermocouple. scheme uqhagamshelo yena kuyo lo mgaqo, kuphela isixhobo eqhagamshelwe nabenzi boluvo eziliqela ibekwe kwiindawo ezimbini okanye ngaphezulu.

njani a thermocouple nge kwibhoyila igesi

Thermocouple - ntoni na? Kuba umsebenzisi, yonke kucaca, xa kukho ukuphazamiseka kwezixhobo gas. Umsebenzi thermocouple esisiphambuka kwibhoyila afudunyezwe umqhubi ilangatye. Umphathi wesekethe uyacengeka EMF thermal lingana 20-25 MV, apho ixabiso kwanele ukusebenza vana solenoid. Oku kuvula igesi ukuya zokufudumeza kwibhoyila. Ucinezelo sokukhuphela ihlala isebenza ngexesha kwibhoyila isebenza. Ukususela sokukhuphela yayo eyintloko ephakamayo, ibe ukufudumeza amanzi. Le thermocouple for cookers igesi kwakhona kuyimfuneko ukubonelela Izitofu ucinezelo yombane.

Ngaphezu koko, ezinye ipleyiti banikwa i xisirhelelo xa lokungaphumeleli kwi unikezelo xa igesi elichithwe uthungelwano, uze emva koko zinikwe kwakhona.

Xa omlilo igesi ilangatye kwibhoyila azikhuli space thermoelectrodes itshiswa, yaye ngaloo ndlela unikezelo amafutha. Emva kokuba idangatye licinywe, okuhlangana thermocouple ashushu buyehla, yaye uyayeka kubonelela ngoku. Xa oku icinyiwe umba solenoid, igesi zicinyiwe.

Lihlole serviceability

Thermocouple ukuba kwibhoyila gas bahlolwe yi isivingco solenoid, nto wathengisa ezivenkileni elithile. Ngu kokugqitywa vana jiko kufuneka soldered iingcingo ezimbini abongi kunye nezibambi "ingwenya", uze qhagamshela iterminal thermocouple. Xa eshushu, kudibana eshushu thermocouple esenjalo ngedangatye ye nesikopi igesi okanye suppositories isivalo kufuneka isebenze ukusuka kwe yangoku. Idivaysi ukhululekile kakhulu kwaye nabalulamileyo.

Ukukhangela impumelelo thermocouple kwakhona yavelisa usebenzisa millivoltmeter. Le ombane emiphethweni yayo simahla, kufuneka ibe ngaphantsi kwe-25 MV.

Esinye isizathu sokuba ukuvalwa ke thermocouple nandzu elilingwayo. ukusebenza Poor ukuba zibangelwa yi ukuyilwa kweeyunithi amazwe endaweni spikes. zalungisa lakhe lokukhuhla "nulevkoy". Kufuneka kuphela ukususa uqweqwe. Ngaphandle koko, iya kutshatyalaliswa spikes.

Xa ikhefu le micwe thermocouple ibe eziqhagamshelene yeqhekeza elifutshane locingo sobhedu oluqhelekileyo. Kubalulekile ukubeka abafowunelwa sele lobushushu efanayo.

Ukuba thermocouple elinyukayo kwibhoyila, kufuneka zitshintshwe. Kuyenzeka ukuba ukuhlanganisa iziphelo iingcingo zijije kunye nokuxhuma ke iterminal yebhetri. Ngoko kuyimfuneko ukuba ukukhetha ixesha elifanelekileyo lokuba ukudibanisa, ukuze ufumane spike esemgangathweni. Ukongeza, kuyimfuneko ukwenza njalo ngcingo thermocouple bangabi hit kunye metal terminal ibhetri. Indawo Ukucofa inkqubo welding lidla uxakeke ngumgubo mifanekiso. Ukuba ukuqokelela isixhobo Latro, uyakwazi ukunyenyisa ngoku, kwaye ukuthanda umgangatho ehlangeneyo. Zonke ezi amanyathelo okwethutyana, kwi thermocouple igesi lula kufuneka kufakwe indawo entsha.

isiphelo

Thermocouple - ntoni na? It is a converter elula thermoelectric. Ukuthembeka ukuqina ifowuni ndiyenze sisixhobo kubalulekile ukuba kwibhoyila igesi off kwiimeko ezingxamisekileyo.

Thermocouples nazo zisetyenziselwa ucinezelo yombane izitovu zegesi njengoko boluvo obushushu.