Thermocouple - ndichiyani? Thermocouple kwa kukatentha gasi

Thermocouple - ndichiyani? Zambiri kale momveka bwino kwa mutuwo. chipangizo ndi transducer ntchito kuyeza kutentha kwa sing'anga ntchito. Amapanga, izo limapangidwa ochititsa awiri ndi zitsulo zosiyana siyana welded kapena soldered kwa nthawi kumalekezero. chipangizo ndi lophweka, koma khalidwe zovuta zina.

Mmene thermocouple

Awiri yosiyana wochititsa zogwirizana mu mphete. Pamene kutentha ndi mfundo zosiyana, kusiyana angathe kumachitika pakati pa iwo chifukwa zotsatira thermoelectric.

thermocouple mfundo ili. Sing'anga amene ankalamulira, otentha mphambano aikidwa, ndi malekezero ufulu olumikiza chingwe chida. Kwakukulu kusiyana pakati pa katundu wa ochititsa ndi masiyanidwe matenthedwe kudutsa malire a pamwamba electromotive mphamvu mu dera (matenthedwe emf).

Ubale pakati pa voteji ndi kutentha zimasiyanasiyana zitsulo zosiyana siyana. Anthu kapena zina masensa anaikira ranges ake matenthedwe. Akhozanso osiyana kukana kuti dzimbiri ndi chilengedwe zikuwononga.

kusankhidwa

Pakuti vuto lililonse ntchito magetsi zipangizo ntchito thermocouple. Kodi izo kwa kukatentha mafuta? Ndipo kodi ntchito? Ankamvera ayenera kuperekedwa kwambiri. Choyamba, lili basi chitsekere wolemera zida pa outages wa kukatentha mpweya. The thermocouple kwa cookers mpweya komanso zofunika kulenga magetsi poyatsira mpweya mwamsanga pamene akuyamba chakudya. Kuwonjezera akuchita ulamuliro ntchito chipangizo angagwiritsidwe ntchito ngati kachipangizo kutentha.

ulemu

Taganizirani zimene thermocouple ali makhalidwe abwino:

• mkulu mwatsatanetsatane chida;

• lonse chingwe osiyanasiyana;

• kuthekera yeniyeni kutentha;

• losavuta kapangidwe;

• kupezeka, mtengo ndi durability otsika thermoelectrodes;

• unsembe ndiponso kukonza mosavuta.

zolakwa

Mu thermocouple pali downsides:

• otsika kwambiri tilinazo;

• kukana kwambiri;

• nonlinearity kutentha kudalira wa matenthedwe electromotive mphamvu;

• kufunika yokumba kukhalabe kutentha kwa mmodzi wa malekezero a.

Thermo emf elekitirodi kwenikweni zimadalira pamaso zosafunika mu zitsulo, mawotchi ndi matenthedwe mankhwala. Kuonjezera kugwiritsa ntchito thermocouples angapo thermopile.

Katundu wa chipangizo Industrial thermocouple

masensa matenthedwe anapangidwa umangokhala zitsulo mfulu. Ku malo kunja chubu chatsekedwa ndi flange, amene akutumikira ku phiri chipangizo. M'pake zoteteza amateteza ochititsa ku zochita za mapangidwe mwamakani ndipo analibe msoko. Mabukuwa ndi ochiritsira (600 ° C) kapena zosapanga dzimbiri zitsulo (mpaka 1100 ° C) zitsulo. Thermoelectrodes olekanitsidwa mzake asibesitosi zadothi chubu kapena mikanda ceramic.

Ngati osachiritsika ali kufupi, mawaya thermocouple olumikiza mwachindunji popanda zolumikizira zina. Pamene kuika chipangizo kuyeza chapatali, pamene inalowa mu unyolo ufulu malekezero a thermocouple ndi anayikidwa mu mutu kuumbidwa, zaikidwa chubu atetezeke. Mwa malo mkuwa imakonzedwa pa zadothi zochokera chipukutamisozi kulumikiza mawaya yopangidwa ndi zisulo mofanana thermoelectrodes koma alibe makhalidwe zolondola ndi mosamalitsa ankalamulira. Ali ndi mtengo wotsika ndi makulidwe wamkulu. Iwo anadzetsa mutu mwa malaya ndi gasket asibesitosi. Zoumbaumba akutumikira mwakufuna kutentha mu malo onse. Top zoteteza pachikuto ndi yamazinga ndi chisindikizo hermetic.

Pa waya crimp n'kukathera sangathe kuikidwa, monga iwo akhoza amanyoza lolondola kuwerenga. Waya anapanga mphete ndipo achepetsa izo pansi wononga kwambiri.

Kusintha kusintha kutentha pa malo akhoza kukhala amagetsi chipangizo, amene kumawonjezera lolondola miyezo.

Kodi ndi thermocouple. Price ndi Mbali

thermocouple A akhoza welded mawaya ziwiri zitsulo yosiyana. Ntchito mofanana mu zipangizo makampani angathe kupirira kutentha, cholimba ndi mkulu thermo-electromotive mphamvu. Palinso zipangizo zina malo amodzi mwandondomeko okwezeka ndi yemweyo opaleshoni mfundo, koma thermocouple chosavuta ndi mtengo zida.

maelekitirodi ntchito zofewa annealed waya wa kasakaniza wazitsulo wapadera. Iye amagwira ntchito kutentha pazipita za 1000 madigiri. The kasakaniza wazitsulo ndi khola ndi mkulu thermo-electromotive azitsatira.

masensa ndi maelekitirodi awiri, mmene cathode ndi faifi tambala-chromium aloyi (Chromel) Ambiri, ndi anode - zitsulo wina, monga alumel (thermocouple TCA). Kugwirizana losavuta wapangidwa ndi mphanda.

Mtundu uliwonse wa kachipangizo losiyana mu ntchito kutentha osiyanasiyana, kuchuluka kwa emf kwaiye, kukana kuti makina ndi mankhwala kuukira, durability ndi interchangeability.

Ndikofunikira kugula zipangizo chotero, chomwe zizigwirizana magawo chofunika. Izi likugwira ntchito makamaka kwa kutentha kukana, kapena posachedwapa kusintha chipangizo.

Thermocouple kwa kukatentha anaphedwa m'njira zosiyanasiyana malinga chitsanzo. kuthandiza mitengo pafupifupi pa mlingo chomwecho. Pafupifupi iwo chifukwa cha 500-600 rubles. Mu malonda palinso masensa wathunthu Converter zina zamakono, zomwe zimachititsa ndi kuwerenga malipiro chida. Iye Integrated mwachindunji mu thermocouple mutu. Kachipangizo mtengo ndi apamwamba, koma sikutanthauza mawaya compensatory. K thermocouple mutu akhoza olumikizidwa kwa ochiritsira waya mkuwa.

Makamaka kutenga mankhwala kwa zitsanzo zenizeni, specifications amene kugwirizana. Universal chipangizo durability musati amasiyana.

mitundu ya masensa

1. Lembani K faifi tambala-chromium (TXA thermocouple) kapena faifi tambala-alumel (HA) ndi katundu zotsatirazi: mtengo wotsika, durability molondola si oposa 0.4%, kayesedwe osiyanasiyana kuchokera -270 digiri 1269. Zokha ntchito mu oxidizing ndi atmospheres inert.

2. L - chromel-kopel (TCA), mtengo thermocouple ndi malire chapamwamba madigiri 600.

3. J - chitsulo constantan. Kachipangizo lili pa nambala wachiwiri kutchuka, uthunthu ndi ku madigiri -210 kwa 760, kupatula cholimba, kugonjetsedwa ndi makutidwe ndi okosijeni.

4. E - faifi tambala-chromium kapena faifi tambala-constantan molondola apamwamba mtengo chizindikiro malire chapamwamba muyeso si upambana madigiri 870.

5. Masensa anapanga zitsulo zamtengo wapatali ntchito pa kutentha apamwamba, koma ndi kukwera mtengo, choncho kwambiri amagwiritsidwa ntchito mu makampani.

kugwirizana Embodiments thermocouple

Pakuunika njira masensa ambiri chinakhazikika. Iwo waya malekezero ndi welded ku amodzi wosakwatiwa, n'kufika mu kafukufuku wapadera. Malaya ndi pokhudzana ndi chipolopolo zoteteza akunja, umene ndi kutentha anasamutsidwa mofulumira, ndi thermocouple ndi otsika inertia. Yolondola kuwerenga zimakhudza kwambiri kusokonezedwa magetsi. Malinga ndi mfundo imeneyi ntchito thermocouple kwa kukatentha mpweya. The chipangizo kuyeza Choncho sayenera otsendereka monga mwa nthaka akhoza kukhala madera zina, omwe timathandiza wolakwa kuwerenga.

Ngati Mphambano si anakumana ndi chipolopolo ndi zoteteza, ndiye ndondomeko imeneyi imatchedwa grounding. Ngakhale kuti mu nkhani iyi kachipangizo liwiro amachepetsa, ndi zochepa atengeke kusokera kusokonezedwa magetsi.

Ntchito yakumapeto akhoza mwachindunji kuika mu ndondomeko, koma njira imeneyi kumachepetsa moyo utumiki chipangizo chifukwa dzimbiri. Kupanga chotero thermocouple ntchito kawirikawiri ndi zipangizo pakhomo kulikonse.

Pakuti kuyeza kutentha mfundo zingapo ntchito multizone thermocouple. kugwirizana chiwembu ali pa mfundo imodzi, chipangizo olumikizidwa kwa masensa angapo ili mu malo awiri kapena kuposa.

Kodi ndi thermocouple ndi kukatentha gasi

Thermocouple - ndichiyani? Pakuti wosuta, chirichonse zimaonekeratu, pamene pali disruptions zida mpweya. Ntchito thermocouple mphambano mu kukatentha ndi usavutike ndi woyendetsa lawi. dera ndi anachititsa matenthedwe emf wofanana 20-25 MV, lomwe kufunika akukwana ntchito valavu solenoid. Izi amatsegula kotunga mpweya kwa Kutentha kukatentha. Poyatsira burner nthawi ukugwira pamene kukatentha umayendetsedwera. Kuyambira burner waukulu ndi akayaka, ndi Kutentha madzi. The thermocouple kwa cookers mpweya komanso kofunika kupereka kwa woyatsa magetsi poyatsira.

Ndiponso, ena mbale Amawapatsa chitetezo ngati kulephera mu chakudya pamene mpweya atayika mu maukonde, kenako aziwapatsa kachiwiri.

Mu kuyaka mpweya lawi mu kukatentha danga adhesions thermoelectrodes ndi mkangano, motero yobereka mafuta. Pambuyo lawi la chimatha, ndi thermocouple otentha mphambano akamazizira, ndipo ikutha kupereka panopa. Pamene izi wazimitsa solenoid valavu, gasi ndi kutchinga.

Cheke cha Kutukula

Thermocouple kwa kukatentha mpweya kufufuzidwa ndi valavu solenoid, amene amagulitsidwa m'masitolo zapaderazi. Ndi mapeto a vavu kumulowetsa ayenera soldered awiri mawaya kusintha ndi clamps "ng'ona", ndipo kulumikiza malo a thermocouple lapansi. Pamene mkangano, Mphambano otentha a thermocouple labwinobwino mu lawi la mpweya burner kapena suppositories valavu ayenera kugwirizana kwa apano kwaiye. chipangizo ndi zabwino kwambiri ndi wodzichepetsa.

Poona dzuwa la thermocouple nazonso pogwiritsa ntchito millivoltmeter. The voteji pa malekezero ake free, ayenera kukhala osachepera 25 MV.

Chifukwa chimodzi shutdown ndi vuto woyendetsa thermocouple. ntchito osauka ingayambe ndi mapangidwe mayunitsi achilendo m'malo spikes lapansi. sandpaper wake nakonza "nulevkoy". ochepa okha kuchotsa zolengeza. Zina lidzawonongedwa ndi spikes.

Pa yopuma mawaya thermocouple akhoza chokhudzana ndi chidutswa naperewera pa ochiritsira waya mkuwa. Nkofunika ikani ojambula ali mu kutentha yomweyo.

Ngati thermocouple yopsereza kukatentha, izo ayenera m'malo. N'zotheka angakondwere nazo zosakaniza malekezero a mawaya ndi kupotoza iwo pamodzi ndi kugwirizana kwa malo a batire la. Choncho n'kofunika kusankha nthawi yoyenera kulumikiza, kuti khalidwe kukwera. Komanso ndikofunikira kutero mu mawaya thermocouple ndi kugunda ndi zitsulo osachiritsika batire. Place kupotoza ndondomeko kuwotcherera nthawi kumizidwa mu graphite ufa. Ngati inu kusonkhanitsa Latro chipangizo, mungathe kusintha pano, ndi olowa khalidwe. zonsezi onse n'zakanthawi, pa yabwino mpweya thermocouple ayenera m'malo ndi wina watsopano.

Pomaliza

Thermocouple - ndichiyani? Ndi thermoelectric Converter yosavuta. Kudalirika ndi durability chipangizo kuti akhale chida chofunika kwambiri kwa kukatentha mpweya mu vuto la mwadzidzidzi.

Thermocouples amagwiritsidwa ntchito poyatsira magetsi mu masitovu mpweya ndi monga masensa kutentha.