Outdoor unit of air conditioner

Abstract

An outdoor unit of an air conditioner includes: a base, a first heat exchanger in contact with the base, a second heat exchanger parallel to the first heat exchanger, in contact with the base, a third heat exchanger parallel to the first and the second heat exchangers and spaced apart from the base, a first holder supporting a side of the first heat exchanger, a second holder supporting a side of the second heat exchanger, a third holder supporting a side of the third heat exchanger, and a holder bracket connecting the first holder and the third holder. The second heat exchanger is positioned between the first heat exchanger and the third heat exchanger. The first holder is coupled to the base. The second holder and the third holder is coupled to each other. The holder bracket is configured to fix the third holder to the first holder.

What is claimed is: 
     
         1 . An outdoor unit of an air conditioner, comprising:
 a housing including a base;   a first heat exchanger in contact with the base and supported by the base;   a second heat exchanger positioned in parallel to the first heat exchanger, in contact with the base, and supported by the base;   a third heat exchanger positioned in parallel to the first heat exchanger and the second heat exchanger and spaced apart from the base;   a first holder comprising a support plate supporting a side of the first heat exchanger;   a second holder comprising a support plate supporting a side of the second heat exchanger;   a third holder comprising a support plate supporting a side of the third heat exchanger; and   a holder bracket connecting the first holder and the third holder,   wherein the second heat exchanger is positioned between the first heat exchanger and the third heat exchanger,   the first holder is coupled to the base,   the second holder and the third holder are coupled to each other, and   the holder bracket is configured to fix the third holder to the first holder.   
     
     
         2 . The outdoor unit of the air conditioner of  claim 1 , wherein
 the second heat exchanger is positioned in an outer direction of the housing relative to the first heat exchanger, and   the third heat exchanger is positioned in the outer direction of the housing relative to the second heat exchanger.   
     
     
         3 . The outdoor unit of the air conditioner of  claim 1 , wherein
 the first holder comprises a first support plate in contact with the side of the first heat exchanger, and a first extension portion extending from a side of the first support plate,   the second holder comprises a second support plate in contact with the side of the second heat exchanger, a second extension portion extending from a side of the second support plate adjacent to the first heat exchanger, and a third extension portion extending from another side of the second support plate adjacent to the third heat exchanger, and   the third holder comprises a third support plate in contact with the side of the third heat exchanger, a fourth extension portion extending from a side of the third support plate adjacent to the second heat exchanger, and a fifth extension portion extending from another side of the third support plate.   
     
     
         4 . The outdoor unit of the air conditioner of  claim 3 , wherein
 the holder bracket is coupled to the first extension portion and the fifth extension portion.   
     
     
         5 . The outdoor unit of the air conditioner of  claim 4 , wherein
 the holder bracket comprises   a first coupling portion in contact with the first extension portion and coupled to the first extension portion,   a second coupling portion in contact with the fifth extension portion and coupled to the fifth extension portion, and   a connecting portion connecting the first coupling portion and the second coupling portion.   
     
     
         6 . The outdoor unit of the air conditioner of  claim 5 , wherein
 the first coupling portion is in contact with a surface of the first extension portion, facing outward from the housing, and   the second coupling portion is in contact with a surface of the fifth extension portion, facing outward from the housing.   
     
     
         7 . The outdoor unit of the air conditioner of  claim 5 , wherein
 the first coupling portion extends from the connecting portion toward a front direction of the housing, and   the second coupling portion extends from the connecting portion toward a rear direction of the housing.   
     
     
         8 . The outdoor unit of the air conditioner of  claim 3 , wherein
 the third extension portion and the fourth extension portion are in contact with each other and are coupled to each other.   
     
     
         9 . The outdoor unit of the air conditioner of  claim 1 , wherein
 the holder bracket comprises a hook configured to be caught by and coupled to the third holder.   
     
     
         10 . The outdoor unit of the air conditioner of  claim 9 , wherein
 the holder bracket comprises a holder contact portion in contact with a surface of the third holder, opposite to the first holder, and   the hook extends from the holder contact portion to penetrate the third holder.   
     
     
         11 . The outdoor unit of the air conditioner of  claim 1 , wherein
 the housing further comprises a front frame positioned in front of the first heat exchanger, the second heat exchanger, and the third heat exchanger, and   the first holder is coupled to the front frame.   
     
     
         12 . The outdoor unit of the air conditioner of  claim 1 , wherein
 the first holder is positioned closer to a front side of the housing than the second holder and the third holder.   
     
     
         13 . The outdoor unit of the air conditioner of  claim 1 , further comprising:
 a first end plate supporting another side of the first heat exchanger and another side of the second heat exchanger; and   a second end plate supporting another side of the third heat exchanger,   wherein the first end plate comprises a first end contact portion in contact with the another side of the first heat exchanger and the another side of the second heat exchanger, and   the second end plate comprises a second end contact portion in contact with the another side of the third heat exchanger, and a plate coupling portion extending from the second end contact portion toward the first end contact portion and coupled to the first end contact portion.   
     
     
         14 . The outdoor unit of the air conditioner of  claim 13 , wherein
 the first end plate further comprises   an end plate extension portion extending from a side of the first end contact portion adjacent to the second end contact portion, and   the plate coupling portion penetrates the end plate extension portion.   
     
     
         15 . The outdoor unit of the air conditioner of  claim 1 , wherein
 a lower end of the third heat exchanger is positioned at an upper location relative to a lower end of the first heat exchanger and a lower end of the second heat exchanger.   
     
     
         16 . An outdoor unit of an air conditioner, comprising:
 a housing including a base;   a first heat exchanger supported by the base;   a second heat exchanger positioned in an outer direction of the housing relative to the first heat exchanger and supported by the base;   a third heat exchanger positioned in the outer direction of the housing relative to the second heat exchanger and spaced apart from the base;   a first holder comprising a support plate supporting a side of the first heat exchanger and coupled to the base;   a second holder comprising a support plate supporting a side of the second heat exchanger;   a third holder comprising a support plate supporting a side of the third heat exchanger and coupled to the second holder; and   a holder bracket connecting the first holder and the third holder and coupled to the first holder and the third holder.   
     
     
         17 . The outdoor unit of the air conditioner of  claim 16 , wherein
 the first holder comprises:
 a first support plate in contact with the side of the first heat exchanger; and 
 a first extension portion extending from a side of the first support plate, 
   wherein the second holder comprises:
 a second support plate in contact with the side of the second heat exchanger; 
 a second extension portion extending from a side of the second support plate adjacent to the first heat exchanger; and 
 a third extension portion extending from another side of the second support plate adjacent to the third heat exchanger, 
   wherein the third holder comprises:
 a third support plate in contact with the side of the third heat exchanger; 
 a fourth extension portion extending from a side of the third support plate adjacent to the second heat exchanger; and 
 a fifth extension portion extending from another side of the third support plate. 
   
     
     
         18 . The outdoor unit of the air conditioner of  claim 17 , wherein
 the holder bracket is coupled to the first extension portion and the fifth extension portion.   
     
     
         19 . The outdoor unit of the air conditioner of  claim 16 , wherein
 the holder bracket comprises a hook configured to be coupled to the fifth extension portion by penetrating the fifth extension portion   
     
     
         20 . An outdoor unit of an air conditioner, comprising:
 a housing including a base;   a first heat exchanger including a plurality of first refrigerant tubes arranged along a first column, and a plurality of first heat exchange fins in contact with the plurality of first refrigerant tubes, the first heat exchanger being in contact with the base;   a second heat exchanger a second heat exchanger including a plurality of second refrigerant tubes arranged along a second column parallel to the first column, and a plurality of second heat exchange fins in contact with the plurality of second heat exchanger tubes, the second heat exchanger being in contact with the base;   a third heat exchanger including a plurality of third refrigerant tubes arranged along a third column parallel to the first column and the second column and a plurality of third heat exchange fins in contact with the plurality of third refrigerant tubes, wherein a lower end of the third heat exchanger is positioned an upper location relative to a lower end of the first heat exchanger and a lower end of the second heat exchanger;   a first holder comprising a support plate supporting the first heat exchanger at a side in a direction in which the plurality of first heat exchange fins are arranged, the first holder being coupled to the base;   a second holder comprising a support plate supporting the second heat exchanger at a side in a direction in which the plurality of second heat exchange fins are arranged;   a third holder comprising a support plate supporting the third heat exchanger at a side in a direction in which the plurality of third heat exchange fins are arranged, the third holder coupled to the second holder; and   a holder bracket connecting the first holder and the third holder.