Passive coolers mudziyo wekutonhodza usingade magetsi kuti utyaire. Inowana kutonhora nekuchengetedza kupisa mhedzisiro kuburikidza nehunyanzvi dhizaini uye zvigadzirwa zvepamberi.
Zvishandiso uye chimiro
Iyo yakakosha yefiriji inongogara iri mune yayo zvinhu uye dhizaini dhizaini. Kazhinji inogadzirwayakakwirira-inoshanda yekupisa yekudzivirira zvinhu, senge polyurethane furo (PU), polystyrene furo (EPS), nezvimwe.. Zvinhu izvi zvine low thermal conductivity uye zvinogona kunyatsovhara kupisa kwekunze kupinda mukati mebhokisi.
Polyurethane furo (PU):
Ichi chinyorwa chine yakanakisa kupisa kwekudzivirira kwekuita uye kusimba kwechimiro uye inoshandiswa zvakanyanya mumadziro emukati uye kunze goko remafiriji.
Polystyrene furo (EPS):
EPS chinhu chakajairwa chekudzivirira kupisa. Ichi chinhu chakareruka muhuremu, chiri nyore kutakura uye kushanda, uye chinogona kupa yakanaka insulation effect.
Heat exchange musimboti
Iko kutonhora kweiyo passive firiji kunonyanya kuenderana nekupisa kwekuchinjana musimboti. Iyo ice cubes kana inotonhorera mukati mebhokisi inotora kupisa kwakatenderedza kuderedza kupisa kwemukati. Kazhinji zvinotonhorera zvinosanganisira mabhegi echando, mabhokisi echando, chando chakaoma, nezvimwewo, izvo zvinogona kuchengetedza bhokisi pane yakaderera tembiricha kwenguva yakareba.
Ice mabhegi / ice mabhokisi:
Mabhegi echando uye mabhokisi echando anotora kupisa kwakawanda panguva yekunyunguduka, kuchengetedza mukati mebhokisi kutonhora.
Dry ice:
Dry ice inotora kupisa ne sublimation (yakasimba yakananga mugasi), iyo inogona kupa kutonhora kwenguva refu. Nekudaro, chando chakaoma chinoburitsa kabhoni dhaikisaidhi, saka inoda kushandiswa nekuchenjerera uye kutevedzera mashandisiro akachengeteka.
Kuisa chisimbiso kugadzira
Kuisa chisimbiso dhizaini chikamu chakakosha che passive firiji. Mitsara yemhando yepamusoro yekuisa chisimbiso uye masisitimu ekuvhara anogona kunyatso kudzivirira kunze kwemhepo kupinda uye kuchengetedza yakadzika tembiricha nharaunda mukati mebhokisi. Mitsara yekuisa chisimbiso inowanzo gadzirwa nesilicone zvinhu, ine elasticity yakanaka uye kusimba uye inogona kuchengetedza yekuisa chisimbiso kwenguva yakareba.
Kuratidza kupisa uye mwaranzi
Pamusoro pezvishandiso uye zvimiro, mafiriji anoshandiswa zvakare anoshandisa misimboti yekupisa kuratidzwa uye nemwaranzi kuti iwedzere kuwedzera kutonhora. Rusvingo rwemukati uye ganda rekunze rinowanzo kuputirwa nereflexive layer iyo inogona kuratidza ekunze kupisa mwaranzi uye kuderedza kupisa kwebhokisi. Panguva imwecheteyo, iyo inoratidzira layer mukati mebhokisi inogona zvakare kuratidza inotonhora mwaranzi inoburitswa neinotonhorera, zvichiita kuti kutonhora kuwedzere kukosha.
Kuburikidza nemisimboti iri pamusoro,firiji inogona kuwana yakanakisa kutonhora maitiro pasina magetsi, inova inochengetedza simba uye ine hushamwari mufiriji artifact.
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