Ka'idar aiki

Tsarin thermocouple mai fashewa da tsarin thermocouple mai haɗuwa, ka'idar ta zama daidai ce, bambancin shine cewa akwatin fashewa mai fashewa (gida) yana amfani da tsarin fashewa na musamman, akwatin fashewa yana da ƙarfin aluminum mai ƙarfi ya mutu, ramin yana da isasshen sarari na ciki, kauri na bango da ƙarfin inji, zafi na roba mai hatimi ya dace da ƙa'idodin fashewa. Saboda haka, lokacin da fashewar gas a cikin akwatin, matsin lamba na ciki ba zai lalata akwatin ba, kuma zafi da aka samar ba zai iya yaduwa da fashewa ba.

Manyan alamun fasaha

1, zazzabi auna kewayon da kuma yarda kuskure

2, lokacin zafi

Lokacin da zafin jiki ya canza, fitarwar thermocouple tana canzawa zuwa lokacin da ya dace da kashi 50% na wannan canjin, wanda ake kira lokacin amsawar zafi, wanda aka nuna ta hanyar T0.5.

3, nominal matsin lamba

Yawancin lokaci yana nufin yanayin zafi na yau da kullun, bututun kariya zai iya jure matsin lamba na waje ba tare da karya ba, gwajin matsin lamba mita yawancin lokaci yana amfani da matsin lamba mai suna 1. 5 sau, a zahiri, ba da damar aiki matsin lamba ne kawai dangane da kare bututun kayan, diamita, bango kauri, har ma da tsarin tsarin, shigarwa hanyoyin, sanya zurfin da kuma kwarara gudun da kuma iri na gauge kafofin watsa labarai da sauransu.

4, thermocouple rufi juriya

Gwajin ƙarfin lantarki na yau da kullun zafin jiki na juriya shine DC 500V ƙasa 50V, yanayin yanayi na yau da kullun zafin jiki na juriya shine zafin jiki na 15 ~ 35 ℃, zafi na 45%, matsin lamba na yanayi na 86 ~ 106kPa.
Ga thermocouples da tsawon fiye da mita 1, shi yau da kullun zafin jiki rufi juriya darajar da yawan tsawon da ya kamata ba kasa da 100MΩ. Wato: R r-L > 100MΩ L> l m
Tsarin tsari: R r - darajar juriya ta zafin jiki na thermocouple, M Ω;
L - tsawon thermocouple, m。
Ga thermocouples da tsawon daidai da ko kasa da mita 1, shi yau da kullun zafin jiki rufi juriya darajar ya kamata ba kasa da 100MΩ.

5, karkatarwa juriya na thermocouple (karkatarwa)

Lokacin da yanayin zafin jiki ne 20 ± 15 ℃, da dangantaka zafin jiki ne ba fiye da 80%, da karkata juriya tsakanin thermal electrode da jaket bututun ya kamata ya fi 1000MΩ-M * daidai da gwajin ƙarfin lantarki ne DC 500V. (* karkata juriya MΩ-M yana nufin, wato, da yawan karkata juriya da tsawon thermocouple da aka sanya a lantarki).

6, fashewa Type da kuma mataki Group

Ƙungiyar fashewa: d II BT4 ko d II CT4
d II BT6 ko d II CT6
Gidajen kariya Matsayi: IP65

7, fashewa-resistant alamar nuna hanyar fashewa-resistant thermocouple

8. Bayanin nau'ikan, matakan da rukunin zafin jiki na kayan aikin lantarki

Kayan aikin lantarki suna rarraba zuwa manyan nau'ikan biyu: Class I - Kayan aikin lantarki a ƙarƙashin ma'adinai na kwal
Class II - Kayan aikin lantarki na masana'antu

9, fashewa matakin

Matsayin fashewa na thermocouple mai fashewa yana da A, B, C matakan uku bisa ga mafi girman tsaro ko mafi ƙarancin ƙonewa na halin yanzu wanda ya dace da fashewa gas.

10, zazzabi rukuni

Rubutun zafin jiki na thermocouple mai fashewa ya raba zuwa rukuni shida na T1 ~ T6 bisa ga mafi girman zafin jiki na farfajiyar sassan da aka bayyana.

siffofi

An tsara shi bisa ga sabbin hanyoyin fashewa GB3836 da suka dace da ƙa'idodin IEC na duniya;
Yin amfani da tsarin fashewa mai fashewa biyu, sauya kayan ƙididdigar zafi mai sauki, amfani da aminci da aminci
Alamar fashewa dAlaAlamar fashewa dAlaAlaAlamar fashewa dAlaAlaAlamar fashewa dAlaAlaAlaAlamar fashewa dAlaAlaAlamar fashewa dAlamar Alamar fashewa dAlaAlaAlamar fashewa dAlaAlaAlamar fashewa dAlamar fashewa dAlamar fashewa d
Lura: Don Allah kashe wutar lantarki a lokacin gyara da kulawa

Nominal matsin lamba na thermocouple

Gabaɗaya yana nufin matsin lamba na waje da bututun karewa zai iya jurewa a zafin jiki na aiki ba tare da karya ba. A gaskiya, yarda da aiki matsin lamba ba kawai dangane da kare bututun kayan, diamita, bango kauri, har ma da tsarin tsarin, shigarwa hanyoyin, sanya zurfin da kuma kwararar gudun da kuma iri na gauge kafofin watsa labarai da sauransu.

Ƙananan zurfin shigarwa na thermocouple

Ya kamata ba kasa da 8-10 sau na waje diamita na kariya bututun (sai dai musamman kayayyaki).

Tsarin thermocouple

Daga thermocouple's zafin jiki ma'anar da aka sani, da aka kafa mafi mahimmanci thermocouple ban da biyu thermal electrode kayan, kuma dole ne a biyu karshen thermal electrode bisa ga bukatun a matsayin ma'auni karshen da kuma tunani karshen, da aka sani da yau da kullun "zafi karshen" da "sanyi karshen", wanda ake kira "biyu karshen".
Dangane da amfani daban-daban na thermocouple, zafi karshen yana da nau'ikan gudanarwa, nau'ikan gudanarwa mai yawa, nau'ikan shell, nau'ikan kai, da nau'ikan hatimi da ba hatimi ba a karshen sanyi.
Thermocouples gabaɗaya ya ƙunshi sassa biyar, biyu thermal lantarki (ko kira waya) ne da suka ƙunshi core sassa na thermocouple (na farko ɓangare na zazzabi gauge), sauran sassa ne kewaye da shi, domin tabbatar da cewa thermal karfin aiki a cikin zagaye ba asara don daidai watsa da aka auna zazzabi siginar, dole ne a yi amfani da keɓaɓɓen kayan don biyu thermal lantarki ban da sauran sassa, da kuma tsakanin su da waje da wani abin dogaro keɓaɓɓe (na biyu ɓangare keɓaɓɓe kayan); Don kare karfafa kayan da kuma biyu waya, tsawaita rayuwar aiki na thermocouple, gabaɗaya kuma tsara da kariya hula (ɓangare na uku kariya bututu); Don sauƙin amfani da shigar da wayoyin, yayin da ya dace da lokuta daban-daban na amfani, gabaɗaya an tsara na'urar shigar da wayoyin sashi na huɗu da na'urar shigar da kayan aiki na sashi na biyar. Waɗannan su ne "biyar". Dangane da amfani daban-daban, mafi mahimmancin thermocouple (watau thermocouple core) wanda zai iya auna zafin jiki, ba tare da bututun kariya da kuma shigar da na'urorin gyara ba. Majalisar thermocouple ya ƙunshi tushen tsarin akwatin haɗin waya, kariyar bututu, rufi na rufi, haɗin waya na tashar, thermoelectrode, kuma ya ƙunshi nau'ikan shigarwa na'urori.

Zaɓin samfur

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