Kodi mumamvetsetsa chubu chotenthetsera mufiriji?

Pamene ntchito ozizira yosungirako makina ozizira mpweya, refrigeration ndi kuzizira ozizira yosungirako anasonyeza makabati, etc., padzakhala chodabwitsa cha mapangidwe chisanu pa evaporator pamwamba. Chifukwa cha chisanu, njira yotuluka idzakhala yocheperako, mphamvu ya mphepo idzachepa, ndipo ngakhale evaporator idzatsekedwa kwathunthu, ndikulepheretsa kwambiri kutuluka kwa mpweya. Ngati chisanu ndi chokhuthala kwambiri, chimapangitsa kuti kuziziritsa ndi kuziziritsa kwa chipangizo cha firiji kuipire, kuonjezera mphamvu yamagetsi, ndipo zida zina za firiji zidzagwiritsidwa ntchito.defrost heater chubukusokoneza nthawi ndi nthawi.

Machubu otenthetsera amagetsi ndi njira yochepetsera chisanu potenthetsa chisanu chomangika pamwamba pa zida pogwiritsa ntchito machubu otenthetsera omwe amakonzedwa mkati mwa zida. Mtundu woterewu wa defrost heater chubu ndi mtundu wazitsulo zachitsulo zokhala ngati chubu, zomwe zimatchedwanso defrosting heat chubu kapena defrost heater chubu. The electric defrost heater chubu ndi chinthu chotenthetsera chamagetsi chomwe chubu chachitsulo chimakhala ngati chipolopolo, waya wotenthetsera wa alloy ngati chinthu chotenthetsera, komanso ma terminals (waya) amaperekedwa. The insulating medium of magnesium oxide powder imadzazidwa kwambiri mu chubu chachitsulo kukonza chinthu chotenthetsera.

Chifukwa cha mawonekedwe a zida zosungiramo kuzizira, monga chinyezi chambiri komanso kutentha pang'ono m'nyumba, kuzizira pafupipafupi komanso kugwedezeka kotentha,defrosting Kutentha machubuNthawi zambiri zimatengera zinthu zotenthetsera zamagetsi zooneka ngati chubu, pogwiritsa ntchito magnesium oxide yapamwamba kwambiri ngati zodzaza ndi chitsulo chosapanga dzimbiri ngati chipolopolo. Pambuyo pakuchepa, mapeto a kugwirizana amasindikizidwa ndi nkhungu yapadera ya rabara, kotero kuti chubu yotentha yamagetsi ingagwiritsidwe ntchito mwachizolowezi mu zipangizo zosungiramo kuzizira. Ikhoza kupindika mu mawonekedwe aliwonse malinga ndi zosowa za wogwiritsa ntchito ndi kuikidwa mosavuta mu nthiti za makina ozizira mpweya kapena pamwamba pa evaporator ya kabati yozizira kapena pansi pa thireyi yakuda, etc. kwa defrosting. Mapangidwe oyambira adefrost heaterndi motere:

a) Ndodo yotsogolera (mzere) : imalumikizidwa ndi kutentha kwa thupi, kwa zigawo ndi magetsi, zigawo ndi zigawo zomwe zimagwirizanitsidwa ndi zitsulo zopangira zitsulo.

b) Chitoliro cha chipolopolo: zambiri 304 zitsulo zosapanga dzimbiri, kukana kwa dzimbiri.

c) Waya wotentha wamkati: waya wa nickel chromium alloy resistance, kapena iron chromium aluminium wire material.

d) Doko la chitoliro chamagetsi chamagetsi limasindikizidwa ndi mphira wa silikoni.

Pakuti kugwirizana kwa Kutentha chitoliro, kugwirizana akafunadefrosting magetsi Kutentha chitolirozimasonyeza kuti Y ndi mgwirizano wooneka ngati nyenyezi, Y ayenera kulumikizidwa ku mzere wapakati, ndipo zomwe sizikusonyezedwa ndizolumikizana katatu. Mwachitsanzo, chubu chotenthetsera chotenthetsera cha chozizira nthawi zambiri chimakhala 220V, ndipo mbali imodzi ya chubu chilichonse cha heater imalumikizidwa ndi mzere wamoto, ndipo mbali inayo imalumikizidwa ndi mzere wosalowerera ndale. Kuphatikiza apo, mphamvu yolowera yomwe imayikidwa panyumba ya chubu yotenthetsera nthawi zambiri imakhala mphamvu yovotera ya chubu chotenthetsera.

Njira yothetsera magetsi ndiyosavuta komanso yosavuta kugwiritsa ntchito, koma mphamvu yadefrosting Kutentha chubunthawi zambiri imakhala yayikulu, ndipo ngati chubu chotenthetsera sichili chabwino kapena chagwiritsidwa ntchito kwa nthawi yayitali, chimakhala chosavuta kuzimitsa kapena kuyambitsa moto, chifukwa chake njira yochepetsera magetsi imakhala ndi zoopsa zachitetezo ndipo imayenera kuyang'aniridwa pafupipafupi. . The defrost heater chubu nthawi zambiri imakhala ndi zowonongeka zotsatirazi:

1. Kuchokera pamawonekedwe, zikhoza kuwonedwa kuti ndodo yotsogolera yawonongeka, zitsulo zachitsulo pamwamba zimawonongeka, insulator imawonongeka kapena chisindikizo chimalephera.

2, mawonekedwe akuthupi ndi mankhwala a chubu chotenthetsera asintha ndipo sangathe kukwaniritsa zofunikira pakugwiritsa ntchito. Mwachitsanzo, chimodzi mwazinthu zotsatirazi sichingagwiritsidwenso ntchito:

① Mphamvu yotsutsa ya chubu yotenthetsera ndiyotsika kuposa mtengo wanthawi zonse, kutayikira komweku kuli kokulirapo kuposa 5mA kapena kukana kukana ndikochepera 1MΩ

(2) Chigobacho chimakhala ndi malawi amoto ndi zinthu zosungunuka, ndipo pamwamba pake ndi chitsulo chambiri kapena chosaloledwa kukonzedwa.

③ Mphamvu yeniyeni ya chubu yotenthetsera imaposa mphamvu yovotera ndi ± 10%.

④ Maonekedwe a chubu chotenthetsera chasinthidwa mozama, zomwe zimapangitsa kuti makulidwe a zitsulo zosungunula ndizosafanana, ndipo ntchito yotsekemera imachepetsedwa kwambiri ndi kuyeza, komwe sikukugwirizana ndi miyezo yoyenera.