Heat exchanger and air conditioning system

Abstract

A heat exchanger and an air conditioning system having the same. The heat exchanger includes at least one of a first heat exchanger unit and a second heat exchanger unit, and the heat exchanger has a V-shaped or inverted V-shaped shape. The first heat exchanger unit includes a first heat exchanger core segment and a second heat exchanger core segment, which are arranged side by side and each have heat exchange tube(s) and fin(s). A size of the first heat exchanger core segment of the first heat exchanger unit is larger than or equal to that of the second heat exchanger core segment of the first heat exchanger unit. The second heat exchanger unit includes a first heat exchanger core segment, a second heat exchanger core segment and a third heat exchanger core segment each having heat exchange tube(s) and fin(s), the first heat exchanger core segment and the third heat exchanger core segment being arranged side by side with the second heat exchanger core segment in a first direction of the second heat exchanger unit, respectively. A size of the first heat exchanger core segment and a size of the third heat exchanger core segment of the second heat exchanger unit are smaller than or equal to that of the second heat exchanger core segment of the second heat exchanger unit, respectively. With the heat exchanger according to the present invention, the heat exchange performance can be improved.

What is claimed is: 
     
         1 . A heat exchanger, comprising:
 at least one of a first heat exchanger unit and a second heat exchanger unit, the heat exchanger having a V-shaped or inverted V-shaped shape,   the first heat exchanger unit comprising:   a first heat exchanger core segment and a second heat exchanger core segment arranged side by side in a first direction of the first heat exchanger unit, and a heat exchanger core connection segment connecting the first heat exchanger core segment of the first heat exchanger unit and the second heat exchanger core segment of the first heat exchanger unit, each of the first heat exchanger core segment of the first heat exchanger unit and the second heat exchanger core segment of the first heat exchanger unit comprising a first heat exchange tube and a first fin arranged alternately in a second direction of the first heat exchanger unit perpendicular to the first direction of the first heat exchanger unit, a size of the first heat exchanger core segment of the first heat exchanger unit in a third direction perpendicular to the first direction of the first heat exchanger unit and the second direction of the first heat exchanger unit is larger than or equal to that of the second heat exchanger core segment of the first heat exchanger unit in the third direction of the first heat exchanger unit; and   the second heat exchanger unit comprising:   a first heat exchanger core segment, a second heat exchanger core segment and a third heat exchanger core segment, the first heat exchanger core segment and the third heat exchanger core segment being arranged side by side with the second heat exchanger core segment in a first direction of the second heat exchanger unit, respectively; a first heat exchanger core connection segment connecting the first heat exchanger core segment of the second heat exchanger unit and the second heat exchanger core segment of the second heat exchanger unit; and a second heat exchanger core connection segment connecting the second heat exchanger core segment of the second heat exchanger unit and the third heat exchanger core segment of the second heat exchanger unit, each of the first heat exchanger core segment of the second heat exchanger unit, the second heat exchanger core segment of the second heat exchanger unit and the third heat exchanger core segment of the second heat exchanger unit comprising a second heat exchange tube and a second fin arranged alternately in a second direction of the second heat exchanger unit perpendicular to the first direction of the second heat exchanger unit, a size of the first heat exchanger core segment of the second heat exchanger unit in a third direction perpendicular to the first direction of the second heat exchanger unit and the second direction of the second heat exchanger unit is smaller than or equal to that of the second heat exchanger core segment of the second heat exchanger unit in the third direction of the second heat exchanger unit, and a size of the third heat exchanger core segment of the second heat exchanger unit in the third direction of the second heat exchanger unit is smaller than or equal to that of the second heat exchanger core segment of the second heat exchanger unit in the third direction of the second heat exchanger unit.   
     
     
         2 . The heat exchanger according to  claim 1 , wherein
 the heat exchanger comprises two first heat exchanger units, which are oppositely arranged in a first direction of the heat exchanger to form a V-shaped or inverted V-shaped shape.   
     
     
         3 . The heat exchanger according to  claim 2 , wherein
 the heat exchanger core connection segments of the two first heat exchanger units are positioned on a side of the heat exchanger in a second direction of the heat exchanger, the second direction of the heat exchanger being perpendicular to the first direction of the heat exchanger and being the up and down direction of the heat exchanger.   
     
     
         4 . The heat exchanger according to  claim 3 , wherein
 the heat exchanger core connection segments of the two first heat exchanger units are positioned on the lower side of the heat exchanger.   
     
     
         5 . The heat exchanger according to  claim 2 , wherein
 the heat exchanger core connection segments of the two first heat exchanger units are positioned on a side of the heat exchanger in a third direction of the heat exchanger, the third direction of the heat exchanger being perpendicular to the first direction of the heat exchanger and a second direction of the heat exchanger, the second direction of the heat exchanger being perpendicular to the first direction of the heat exchanger and being the up and down direction of the heat exchanger.   
     
     
         6 . The heat exchanger according to  claim 2 , wherein
 in the first direction of the heat exchanger, each of the second heat exchanger core segments of the two first heat exchanger units is positioned on an inner or outer side of the first heat exchanger core segments of the two first heat exchanger units.   
     
     
         7 . The heat exchanger according to  claim 2 , wherein
 the first heat exchanger unit further comprises: two first headers, one of which is connected and in fluid communication with the first heat exchange tube of the first heat exchanger core segment of the first heat exchanger unit on a side of the first heat exchanger core segment of the first heat exchanger unit away from the heat exchanger core connection segment of the first heat exchanger unit in a third direction of the first heat exchanger unit, and the other of which is connected and in fluid communication with the first heat exchange tube of the second heat exchanger core segment of the first heat exchanger unit on a side of the second heat exchanger core segment of the first heat exchanger unit away from the heat exchanger core connection segment of the first heat exchanger unit in the third direction of the first heat exchanger unit.   
     
     
         8 . The heat exchanger according to  claim 7 , wherein
 the two first heat exchanger units form an inverted V-shaped shape, the heat exchanger core connection segments of the two first heat exchanger units being positioned on the lower side of the heat exchanger, the one first header, which is connected with the first heat exchanger core segment of the first heat exchanger unit, of each of the two first heat exchanger units is used for heat exchange medium to flow out of the first heat exchanger unit, and the other first header, which is connected with the second heat exchanger core segment of the first heat exchanger unit, of each of the two first heat exchanger units is used for the heat exchange medium to flow into the first heat exchanger unit.   
     
     
         9 . The heat exchanger according to  claim 7 , wherein
 the two first heat exchanger units form a V-shaped shape, the heat exchanger core connection segments of the two first heat exchanger units being positioned on the lower side of the heat exchanger, the one first header, which is connected with the first heat exchanger core segment of the first heat exchanger unit, of each of the two first heat exchanger units is used for heat exchange medium to flow into the first heat exchanger unit, and the other first header, which is connected with the second heat exchanger core segment of the first heat exchanger unit, of each of the two first heat exchanger units is used for the heat exchange medium to flow out of the first heat exchanger unit.   
     
     
         10 . The heat exchanger according to  claim 2 , wherein
 the heat exchanger further comprises a heat exchanger connection segment connecting the first heat exchanger core segments of the two first heat exchanger units, the heat exchanger core connection segment of each of the two first heat exchanger units being positioned on a side of the first heat exchanger core segment of the first heat exchanger unit away from the heat exchanger connection segment in the third direction of the first heat exchanger unit.   
     
     
         11 . The heat exchanger according to  claim 10 , wherein
 the two first heat exchanger units and the heat exchanger connection segment are formed by bending one flat heat exchanger.   
     
     
         12 . The heat exchanger according to  claim 10 , wherein
 each of the two first heat exchanger units further comprises a first header, which is connected and in fluid communicated with the first heat exchange tube of the second heat exchanger core segment of the first heat exchanger unit.   
     
     
         13 . The heat exchanger according to  claim 12 , wherein
 the two first heat exchanger units form an inverted V-shaped shape, the heat exchanger core connection segments of the two first heat exchanger units being positioned on the lower side of the heat exchanger, the first header of one of the two first heat exchanger units is used for heat exchange medium to flow into the two first heat exchanger units, and the first header of the other of the two first heat exchanger units is used for the heat exchange medium to flow out of the two first heat exchanger units.   
     
     
         14 . The heat exchanger according to  claim 1 , wherein
 the heat exchanger comprises one first heat exchanger unit, and the heat exchanger further comprises: one third heat exchanger unit having a flat shape and including a heat exchanger core, and a heat exchanger connection segment connecting the first heat exchanger core segment of the one first heat exchanger unit and the heat exchanger core of the one third heat exchanger unit, wherein the one first heat exchanger unit and the one third heat exchanger unit are oppositely arranged in a first direction of the heat exchanger to form a V-shaped or inverted V-shaped shape, the heat exchanger core connection segment of the first heat exchanger unit being positioned on a side of the first heat exchanger core segment of the first heat exchanger unit away from the heat exchanger connection segment in the third direction of the first heat exchanger unit, and the one first heat exchanger unit, the one third heat exchanger unit, and the heat exchanger connection segment are formed by bending one flat heat exchanger.   
     
     
         15 . The heat exchanger according to  claim 2 , wherein
 in the first direction of the heat exchanger, the second heat exchanger core segments of the two first heat exchanger units are positioned on the outer side of the first heat exchanger core segments of the two first heat exchanger units.   
     
     
         16 . The heat exchanger according to  claim 2 , wherein
 a size of the first heat exchanger core segment of the first heat exchanger unit in the third direction of the first heat exchanger unit is larger than that of the second heat exchanger core segment of the first heat exchanger unit in the third direction of the first heat exchanger unit.   
     
     
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         25 . The heat exchanger according to  claim 1 , wherein
 at least one of the first heat exchanger unit and the second heat exchanger unit is formed by bending one flat heat exchanger.   
     
     
         26 . The heat exchanger according to  claim 1 , wherein
 an angle between the first heat exchanger core segment of the first heat exchanger unit and the second heat exchanger core segment of the first heat exchanger unit is in the range of 0 to 45 degrees; and   an angle between the first heat exchanger core segment of the second heat exchanger unit and the second heat exchanger core segment of the second heat exchanger unit is in the range of 0 to 45 degrees, and an angle between the third heat exchanger core segment of the second heat exchanger unit and the second heat exchanger core segment of the second heat exchanger unit is in the range of 0 to 45 degrees.   
     
     
         27 . The heat exchanger according to  claim 1 , wherein
 a plane defined by the second direction of the first heat exchanger unit and the third direction of the first heat exchanger unit is substantially parallel to the first heat exchanger core segment of the first heat exchanger unit; and   a plane defined by the second direction of the second heat exchanger unit and the third direction of the second heat exchanger unit is substantially parallel to the second heat exchanger core segment of the second heat exchanger unit.   
     
     
         28 . An air conditioning system, comprising:
 the heat exchanger according to  claim 1 .