HEAT EXCHANGER OF REFRIGERATOR

• Main Authors: LEE EUNG-YUL, CHOI JI-WON, KIM JU-HYOK, PARK TAE-GYUN
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2019
• Subjects: BLASTING; COLD ROOMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT PUMP SYSTEMS; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; ICE-BOXES; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; REFRIGERATORS; WEAPONS

A heat exchanger of a refrigerator according to the present invention is a micro-channel type heat exchanger of a refrigerator comprising: a first heat exchanging unit including a plurality of flat tubes for exchanging heat between a refrigerant and air and connected to an inlet pipe through which the refrigerant flows; a second heat exchanging unit including a plurality of flat tubes for exchanging heat between the refrigerant and air, disposed on the outside of the first heat exchanging unit and connected to a discharge tube through which the refrigerant is discharged; and a connection pipefor connecting the first heat exchanging unit and the second heat exchanging unit and supplying the refrigerant discharged from the first heat exchanging unit to the second heat exchanging unit, wherein the first heat exchanging unit is arranged to exchange heat with air that has been heat-exchanged with the second heat exchanging unit, and the sum of the cross sectional areas of the flat tubes ofthe first heat exchanging