Condenser and refrigerator having the same

Abstract

A condenser and a refrigerator having the same, the condenser includes a refrigerant pipe, a plate fin coupled to one side portion of the refrigerant pipe, and a wave fin making contact with a rear surface of the plate fin. Through the structure as such, the condensation efficiency of the condenser may be enhanced, and furthermore, the condenser may be miniaturized, and thus is effective in utilizing space.

What is claimed is: 
     
         1 . A condenser comprising:
 a refrigerant pipe having at least a portion thereof disposed along a first direction, and configured so that a refrigerant flows therethrough;   a plate fin coupled to one side portion of the refrigerant pipe; and   a wave fin provided to make contact with a rear surface portion of the plate fin, and formed along the first direction in a bent manner,   wherein the refrigerant pipe comprises:   an inlet part and an outlet part through which the refrigerant is introduced and discharged; and   a main refrigerant pipe comprising heat radiating pipes formed along the first direction and a bent pipe connecting end portions of the heat radiating pipes, the main refrigerant pipe having both end portions thereof connected to the inlet part and the outlet part, respectively, and coupled to the plate fin.   
     
     
         2 . The condenser of  claim 1 , wherein:
 the first direction comprises a direction having a spiral shape on a plurality of virtual surfaces provided in parallel to each other.   
     
     
         3 . The condenser of  claim 1 , wherein:
 the plate fin comprises:   a lower plate provided with a groove formed along a path of the refrigerating pipe so that the refrigerant pipe is inserted thereinto; and   an upper plate provided to cover one surface portion of the lower plate into which the refrigerant pipe is inserted.   
     
     
         4 . The condenser of  claim 3 , wherein:
 the heat radiating pipe is inserted into the groove.   
     
     
         5 . The condenser of  claim 1 , wherein:
 the wave fin comprises a trough part and a crest part that are formed in a second direction perpendicular to the virtual surfaces, and disposed in a repeated manner along the first direction.   
     
     
         6 . The condenser of  claim 1 , wherein:
 the plate fin is provided with the shape of a barrel wound up in a direction that surrounds the wave fin.   
     
     
         7 . The condenser of  claim 1 , wherein:
 the refrigerant pipe and the plate fin include aluminum.   
     
     
         8 . The condenser of  claim 1 , wherein:
 the plate fin and the wave fin are coupled to each other through a brazing method.   
     
     
         9 . A refrigerator, comprising:
 a body;   a storage compartment formed inside the body; and   a freezing apparatus having a compressor to compress refrigerant, a condenser to condense the refrigerant, an expansion valve to expand the refrigerant, and an evaporator to evaporate the refrigerant, and configured to supply cool air to the storage compartment,   wherein the condenser comprises a refrigerant pipe through which the refrigerant flows, a plate fin coupled to one side portion of the refrigerant pipe, and a wave fin provided to make contact with a rear surface of the plate fin, the condenser provided in the shape of a barrel formed in a wound-up manner to condense the refrigerant, and   the refrigerant pipe comprises an inlet part connected to the compressor and allowing the refrigerant to be introduced therethrough; an outlet part connected to the expansion valve and allowing the refrigerant to be discharged therethrough; and a main refrigerant pipe comprising heat radiating pipes provided in the form wound up in one direction with a gap of a first interval; and a bent pipe to connect end portions of the heat radiating pipes, the main refrigerant pipe having both end portions thereof connected to the inlet part and the outlet part, respectively, and coupled to the plate fin.   
     
     
         10 . The refrigerator of  claim 9 , wherein the plate fin and the wave fin are formed between the gap of the first interval. 
     
     
         11 . The refrigerator of  claim 9 , wherein:
 the plate fin comprises an outer plate part having a groove to surround at least a portion of the main refrigerant pipe; and   an inner plate part making contact with the outer plate part and provided to cover the groove.   
     
     
         12 . The refrigerator of  claim 9 , wherein:
 the wave fin is provided with a plurality of trough parts and a plurality of crest parts repeatedly formed with respect to a direction along which the heat radiating pipes are wound up.   
     
     
         13 . The refrigerator of  claim 9 , wherein:
 the wave fin comprises a plurality of first wave surfaces and a plurality of second wave surfaces correspondingly disposed in a bent manner to form a zigzag in a direction along which the heat radiating pipes are wound up; and
 a plurality of trough parts and a plurality of crest part formed as the first wave surface and the second wave surface make contact with each other. 
   
     
     
         14 . The refrigerator of  claim 13 , wherein:
 the trough part and the crest part are provided to make contact with the plate fin.   
     
     
         15 . The condenser of  claim 1 , wherein the wave fin is formed in at least one of a triangular shaped, a saw tooth shaped, a curved shaped, and disposed along the first direction. 
     
     
         16 . The refrigerator of  claim 9 , wherein:
 the wave fin is formed in at least one of a triangular shaped, a saw tooth shaped, a curved shaped with respect to a direction along which the heat radiating pipes are wound up.   
     
     
         17 . A condenser comprising:
 a spiral shaped plate fin; and   a plurality of fins provided at a surface portion of the spiral shaped plate fin,   wherein a refrigerant pipe having at least a portion thereof, to wrap around an outer surface portion of the spiral shaped plate fin in a spiral manner, and configured so that a refrigerant flows therethrough.   
     
     
         18 . The condenser of  claim 17 , wherein the plurality of fins is formed in at least one of a triangular shaped, a saw tooth shaped, a curved shaped, and disposed along the first direction. 
     
     
         19 . The condenser of  claim 17 , wherein the plurality of fins is provided at an inner surface portion of the plates. 
     
     
         20 . The condenser of  claim 17 , wherein the spiral shaped plate fin comprises:
 a lower plate provided with a groove formed along a path of the refrigerating pipe so that the refrigerant pipe is inserted thereinto; and   an upper plate provided to cover one surface portion of the lower plate into which the refrigerant pipe is inserted.