Mapangidwe a kutentha kwa firiji ndi gawo lofunika kwambiri kuti atsimikizire kuti kuzizira kwake, kukhazikika kwa kutentha ndi ntchito yopulumutsa mphamvu, ndipo nthawi zambiri imakhala ndi zigawo zingapo zomwe zimagwira ntchito pamodzi. Zotsatirazi ndizo zikuluzikulu zoyendetsera kutentha ndi ntchito zawo mkati mwa firiji:
1. Wowongolera kutentha (wowongolera kutentha
Makina owongolera kutentha: Imazindikira kutentha mkati mwa evaporator kapena m'bokosi kudzera pa babu yozindikira kutentha (yodzaza ndi firiji kapena mpweya), ndipo imayambitsa makina osinthira kutengera kusintha kwamphamvu kuti athe kuwongolera kuyambika ndi kuyimitsidwa kwa kompresa.
Wowongolera kutentha kwamagetsi: Amagwiritsa ntchito thermistor (temperature sensor) kuti azindikire kutentha ndikuwongolera bwino firiji kudzera mu microprocessor (MCU). Nthawi zambiri amapezeka m'mafiriji a inverter.
Ntchito: Khazikitsani kutentha komwe mukufuna. Yambani kuziziritsa pamene kutentha kwazindikirika kuli kwakukulu kuposa mtengo woikidwiratu ndikuyimitsa pamene kutentha kwafika.
2. Sensa ya kutentha
Malo: Amagawidwa m'malo ofunikira monga firiji, firiji, evaporator, condenser, etc.
Mtundu: Nthawi zambiri ma thermitor otsika (NTC), okhala ndi mphamvu zokana mosiyanasiyana ndi kutentha.
Ntchito: Kuwunika kwenikweni kwa kutentha m'dera lililonse, kudyetsa deta kubwerera ku bolodi lolamulira kuti akwaniritse kutentha kwa zonal (monga machitidwe ozungulira).
3. Control mainboard (Electronic control module)
Ntchito
Landirani zidziwitso za sensa, kuwerengera ndikusintha magwiridwe antchito azinthu monga kompresa ndi fan.
Imathandizira ntchito zanzeru (monga tchuthi, kuzizira mwachangu).
Mufiriji ya inverter, kuwongolera kutentha kumatheka mwa kusintha liwiro la compressor.
4. Damper Controller (Wapadera kwa mafiriji oziziritsidwa ndi mpweya)
Ntchito: Sinthani kagawidwe ka mpweya wozizira pakati pa chipinda cha firiji ndi chipinda chozizira, ndikuwongolera kutseguka ndi kutseka kwa chitseko cha mpweya kudzera pagalimoto yolowera.
Kulumikizana: Mogwirizana ndi masensa a kutentha, zimatsimikizira kuwongolera kutentha pachipinda chilichonse.
5. Compressor ndi pafupipafupi kutembenuka gawo
Fixed-frequency compressor: Imayendetsedwa mwachindunji ndi chowongolera kutentha, ndipo kusinthasintha kwa kutentha kumakhala kwakukulu.
Compressor yosinthira pafupipafupi: Imatha kusintha liwiro mosasunthika malinga ndi kutentha, komwe kumapulumutsa mphamvu komanso kumapereka kutentha kokhazikika.
6. Evaporator ndi condenser
Evaporator: Imamwa kutentha mkati mwa bokosi ndikuzizira kudzera mukusintha kwa gawo la firiji.
Condenser: Imatulutsa kutentha kunja ndipo nthawi zambiri imakhala ndi switch yoteteza kutentha kuti isatenthedwe.
7. Chigawo chothandizira kutentha kutentha
Defrosting heater: Nthawi zonse amasungunula chisanu pa evaporator mu firiji zoziziritsidwa ndi mpweya, zomwe zimayambitsidwa ndi timer kapena sensor ya kutentha.
Chofanizira: Kuyenda mokakamizidwa kwa mpweya wozizira (firiji yoziziritsidwa ndi mpweya), mitundu ina imayamba ndikuyima poletsa kutentha.
Kusintha kwachitseko: Dziwani momwe chitseko chilili, yambitsani njira yopulumutsira mphamvu kapena zimitsani fan.
8. Mapangidwe apadera ogwira ntchito
Mipikisano yozungulira: Mafiriji apamwamba amatengera ma evaporator odziyimira pawokha ndi ma frequency a firiji kuti akwaniritse kuwongolera kutentha kwa firiji, kuzizira komanso kutentha kosiyanasiyana.
Vacuum insulation layer: Imachepetsa kutentha kwakunja ndikusunga kutentha kwa mkati.
Nthawi yotumiza: Jul-02-2025