I-heater ye-PTC luhlobo oluthile lokufudumala olusebenza ngokusekelwe kwipropati yombane wezinto ezithile apho ukuchasana kwabo kwanda ngobushushu. Ezi zixhobo zibonisa ukwanda kokuchasana nokunyuka kweqondo lokushisa, kunye nezinto eziqhelekileyo ezisetyenziswayo ze-semiconductor ziquka i-zinc oxide (ZnO) i-ceramics.
Umgaqo wesifudumezi se-PTC unokuchazwa ngolu hlobo lulandelayo:
1. I-Positive Temperature Coefficient (PTC): Uphawu oluphambili lwezinto ze-PTC kukuba ukuchasana kwabo kuyanda njengoko ubushushu buphakama. Oku kuchasene nezinto ezinomlinganiselo ombi wobushushu (NTC), apho ukuxhathisa kuncipha ngobushushu.
2. Ukuzilawula: Izifudumezi ze-PTC zizinto ezizilawulayo. Njengoko iqondo lokushisa lezinto ze-PTC landa, ukuchasana kwayo kunyuka. Oku, kwakhona, kunciphisa ukudlula kwangoku kwi-heater element. Ngenxa yoko, izinga lokuvelisa ukushisa liyancipha, likhokelela kwimpembelelo yokuzilawula.
3. Uphawu loKhuseleko: Uhlobo oluzilawulayo lwezifudumezi ze-PTC luphawu lokhuseleko. Xa ubushushu be-ambient bukhuphuka, ukuchasana kwezinto ze-PTC kuyanda, ukunciphisa umlinganiselo wobushushu owenziwe. Oku kuthintela ukushisa okugqithisileyo kwaye kunciphisa umngcipheko womlilo.
4. Usetyenziso: Izifudumezi ze-PTC zidla ngokusetyenziswa kwiinkqubo ezahlukeneyo ezifana nezifudumezi zasemoyeni, iisistim zokufudumeza iimoto, kunye nombane. Banikezela ngendlela ethembekileyo nesebenzayo yokuvelisa ukushisa ngaphandle kwesidingo sezixhobo zokulawula ukushisa kwangaphandle.
Isishwankathelo, umgaqo we-heater ye-PTC usekelwe kwi-coefficient yokushisa efanelekileyo yezinto ezithile, ezivumela ukuba bazilawule ngokwabo ukuveliswa kobushushu. Oku kubenza bakhuseleke kwaye basebenzise amandla ngakumbi kwiinkqubo ezahlukeneyo zokufudumeza.
Ixesha lokuposa: Nov-06-2024