Heat exchanger and air conditioning system

Abstract

A heat exchanger and an air conditioning system having the same. The heat exchanger includes a plurality of fins and a row of heat transfer tubes. The fin includes a fin body and a plurality of columns of heat exchange tube slots formed in the fin body. The column of heat exchange tube slots includes a plurality of heat exchange tube slots arranged in a first direction, the plurality of fins being arranged in a second direction perpendicular to the first direction, and the plurality of columns of heat exchange tube slots being arranged in a third direction perpendicular to the first direction and the second direction. The row of heat exchange tubes is provided in the heat exchange tube slot of the column of heat exchange tube slots, and the row of heat exchange tubes includes one heat exchange tube or a plurality of heat exchange tubes. A length of at least one heat exchange tube slot in the third direction is greater than a heat exchange tube size of the row of heat exchange tubes inserted in the at least one heat exchange tube slot in the third direction. Therefore, the performance of the heat exchanger and the air conditioning system can be improved.

1 . A heat exchanger comprising:
 a plurality of fins, each of the plurality of fins comprising a fin body and a plurality of columns of heat exchange tube slots formed in the fin body, each of the plurality of columns of heat exchange tube slots comprising a plurality of heat exchange tube slots arranged in a first direction, the plurality of fins being arranged in a second direction perpendicular to the first direction, and the plurality of columns of heat exchange tube slots of each of the plurality of fins being arranged in a third direction perpendicular to the first direction and the second direction; and   a row of heat exchange tubes provided in each heat exchange tube slot of the plurality of heat exchange tube slots of each column of heat exchange tube slots of the plurality of columns of heat exchange tube slots, the row of heat exchange tubes comprising one heat exchange tube or a plurality of heat exchange tubes,   wherein   a length of at least one heat exchange tube slot of the plurality of heat exchange tube slots of at least one column of heat exchange tube slots of the plurality of columns of heat exchange tube slots of at least one fin of the plurality of fins in the third direction is greater than a heat exchange tube size of the row of heat exchange tubes inserted in the at least one heat exchange tube slot in the third direction, in the case that the row of heat exchange tubes comprises the one heat exchange tube, the heat exchange tube size is a size of the one heat exchange tube in the third direction, and in the case that the row of heat exchange tubes comprises the plurality of heat exchange tubes, the heat exchange tube size is a sum of sizes of the plurality of heat exchange tubes in the third direction.   
     
     
         2 . The heat exchanger according to  claim 1 , wherein
 the plurality of fins and the heat exchange tubes of the rows of heat exchange tubes provided in the heat exchange tube slots of the plurality of columns of heat exchange tube slots of the plurality of fins constitute a heat exchanger core, the heat exchanger core comprising a first core portion and a second core portion, the first core portion and the second core portion being positioned on both sides of a plane passing through a geometric center of the fin bodies and perpendicular to the third direction, respectively, the first core portion being positioned on a first side of the heat exchanger in the third direction, and the second core portion being positioned on a second side of the heat exchanger opposite to the first side in the third direction, wherein a heat exchange efficiency of the first core portion is lower than that of the second core portion.   
     
     
         3 . The heat exchanger according to  claim 1 , wherein
 the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of at least one fin of the plurality of fins and the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the at least one fin of the plurality of fins are arranged alternately in the first direction.   
     
     
         4 . The heat exchanger according to  claim 1 , wherein
 a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins and a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins have the same number and size of the heat exchange tubes.   
     
     
         5 . The heat exchanger according to  claim 1 , wherein
 a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins and a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins have different numbers and/or sizes of the heat exchange tubes.   
     
     
         6 . The heat exchanger according to  claim 1 , wherein
 a sum of heat exchange tube sizes of a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins is smaller than a sum of heat exchange tube sizes of a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins.   
     
     
         7 . The heat exchanger according to  claim 1 , wherein
 a heat transfer coefficient of the one heat exchange tube, or a heat transfer coefficient of at least one heat exchange tube of the plurality of heat exchange tubes, of at least one row of heat exchange tubes of a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins is less than that of the one heat exchange tube, or that of at least one heat exchange tube of the plurality of heat exchange tubes, of at least one row of heat exchange tubes of a plurality of rows of heat exchange tubes in the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins.   
     
     
         8 . The heat exchanger according to  claim 1 , wherein
 the length SL of at least one heat exchange tube slot of the plurality of heat exchange tube slots of at least one column of heat exchange tube slots of the plurality of columns of heat exchange tube slots of at least one fin of the plurality of fins in the third direction and the size Tw of the heat exchange tubes of the row of heat exchange tubes inserted in the at least one heat exchange tube slot in the third direction satisfy the following relationship of:   
       
         
           
             
               
                 SL 
                 = 
                 
                   n 
                   * 
                   Tw 
                 
               
               , 
             
           
         
         where, n is a positive integer. 
       
     
     
         9 . The heat exchanger according to  claim 8 , wherein
 n is greater than or equal to 2.   
     
     
         10 . The heat exchanger according to  claim 1 , wherein
 spacing between the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins is different from spacing between the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins.   
     
     
         11 . (canceled) 
     
     
         12 . The heat exchanger according to  claim 1 , wherein
 at least one heat exchange tube slot of the plurality of heat exchange tube slots of at least one column of heat exchange tube slots, positioned on a first side of the heat exchanger in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins and at least one heat exchange tube slot of the plurality of heat exchange tube slots of at least another column of heat exchange tube slots, positioned on a second side of the heat exchanger opposite to the first side in the third direction, of the plurality of columns of heat exchange tube slots of the plurality of fins are displaced from each other in the first direction and, when viewed in the first direction, partially overlap.   
     
     
         13 . The heat exchanger according to  claim 1 , wherein
 the heat exchange tube slot of the column of heat exchange tube slots of the fin has a first slot edge and a second slot edge, the first slot edge and the second slot edge being respectively positioned on outermost sides of the heat exchange tube slot in the third direction, and the first slot edge of the heat exchange tube slot of the fin being closer to the first side of the heat exchanger in the third direction than the second slot edge of the heat exchange tube slot of the fin; and   the first slot edges of the plurality of heat exchange tube slots of at least one column of heat exchange tube slots of the plurality of columns of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction, and/or the second slot edges of the plurality of heat exchange tube slots of the at least one column of heat exchange tube slots of the plurality of columns of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction.   
     
     
         14 . The heat exchanger according to  claim 1 , wherein
 the plurality of heat exchange tube slots of at least one column of heat exchange tube slots of the plurality of columns of heat exchange tube slots of the plurality of fins have substantially the same size in the third direction.   
     
     
         15 . (canceled) 
     
     
         16 . The heat exchanger according to  claim 1 , wherein
 the fin body of the fin comprises a first fin body portion positioned on a first side of the heat exchanger in the third direction and a second fin body portion positioned on a second side of the heat exchanger opposite to a first side in the third direction, the first fin body portion being inclined relative to a plane defined by the first direction and the third direction, and a first angle being formed between the first fin body portion and the plane defined by the first direction and the third direction; the second fin body portion being inclined relative to the plane defined by the first direction and the third direction, and a second angle being formed between the second fin body portion and the plane defined by the first direction and the third direction, wherein the first angle is different from the second angle.   
     
     
         17 . (canceled) 
     
     
         18 . The heat exchanger according to  claim 1 , wherein
 the fin body of the fin is inclined relative to a plane defined by the first direction and the third direction.   
     
     
         19 . (canceled) 
     
     
         20 . The heat exchanger according to  claim 1 , wherein
 the fin body of the plurality of fins comprises a first fin body portion positioned on a first side of the heat exchanger in the third direction and a second fin body portion positioned on a second side of the heat exchanger opposite to the first side in the third direction, and the fin comprises a first louver provided on the first fin body portion, and a second louver provided on the second fin body portion, wherein the heat exchange efficiency of the first louver is lower than that of the second louver.   
     
     
         21 . The heat exchanger according to  claim 1 , wherein
 the plurality of columns of heat exchange tube slots of the plurality of fins comprise a first column of heat exchange tube slots and a second column of heat exchange tube slots positioned on a first side and a second side of the heat exchanger opposite to each other in the third direction, respectively.   
     
     
         22 . The heat exchanger according to  claim 21 , wherein
 the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins have an opening towards the first side of the heat exchanger, and the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins have an opening towards the second side of the heat exchanger.   
     
     
         23 . The heat exchanger according to  claim 21 , wherein
 the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins and the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins have the same length in the third direction.   
     
     
         24 . The heat exchanger according to  claim 23 , wherein
 the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction, and/or the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction.   
     
     
         25 . The heat exchanger according to  claim 21 , wherein
 at least one of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins and at least one of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins are displaced from each other in the first direction.   
     
     
         26 . The heat exchanger according to  claim 25 , wherein
 a length of at least one heat exchange tube slot of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins in the third direction is greater than the heat exchange tube size of the row of heat exchange tubes inserted in the at least one heat exchange tube slot in the third direction, and a length of at least one heat exchange tube slot of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins in the third direction is greater than or substantially equal to the heat exchange tube size of the row of heat exchange tubes inserted in the heat exchange tube slot in the third direction.   
     
     
         27 . (canceled) 
     
     
         28 . The heat exchanger according to  claim 25 , wherein
 the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins partially overlaps with the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins when viewed in the first direction.   
     
     
         29 . The heat exchanger according to  claim 28 , wherein
 a center of the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins in the third direction overlaps with the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins when viewed in the first direction, and/or, the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins overlaps with a center of the at least one heat exchange tube slot of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins in the third direction when viewed in the first direction.   
     
     
         30 . The heat exchanger according to  claim 21 , wherein
 the heat exchange tube slot of the column of heat exchange tube slots of the fin has a first slot edge and a second slot edge, the first slot edge and the second slot edge being respectively positioned on outermost sides of the heat exchange tube slot in the third direction, and the first slot edge of the heat exchange tube slot of the fin being closer to the first side of the heat exchanger in the third direction than the second slot edge of the heat exchange tube slot of the fin; and   the second slot edges of the plurality of heat exchange tube slots of the first column of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction, and/or, the first slot edges of the plurality of heat exchange tube slots of the second column of heat exchange tube slots of the plurality of fins are substantially aligned with each other in the third direction.   
     
     
         31 . The heat exchanger according to  claim 1 , wherein
 the heat exchange tubes of the rows of heat exchange tubes provided in the heat exchange tube slots of the plurality of columns of heat exchange tube slots of the plurality of fins comprise a plurality of columns of heat exchange tubes arranged in the third direction, each column of heat exchange tubes of the plurality of columns of heat exchange tubes comprising a plurality of heat exchange tubes arranged in the first direction.   
     
     
         32 . The heat exchanger according to  claim 31 , wherein
 the heat exchange tube of the plurality of columns of heat exchange tubes comprises a first end positioned on one side of the heat exchange tube in the second direction and a second end positioned on the other side of the heat exchange tube in the second direction; and   the heat exchanger further comprises: a first header connected and fluidly communicated with the first end of the heat exchange tube; and a second header connected and fluidly communicated with the second end of the heat exchange tube.   
     
     
         33 . The heat exchanger according to  claim 31 , wherein
 the heat exchange tube of the plurality of columns of heat exchange tubes comprises a first end positioned on one side of the heat exchange tube in the second direction and a second end positioned on the other side of the heat exchange tube in the second direction; and   the heat exchanger further comprises: a first header connected and fluidly communicated with the first ends of the heat exchange tubes of the plurality columns of heat exchange tubes; and two second headers, one of the two second headers being connected and fluidly communicated with the second ends of the heat exchange tubes of at least one column of heat exchange tubes of the plurality of columns of heat exchange tubes, and the other of the two second headers being connected and fluidly communicated with the second ends of the heat exchange tubes of at least another column of heat exchange tubes of the plurality of columns of heat exchange tubes.   
     
     
         34 . The heat exchanger according to  claim 31 , wherein
 the heat exchange tube of the plurality of columns of heat exchange tubes comprises a first end positioned on one side of the heat exchange tube in the second direction and a second end positioned on the other side of the heat exchange tube in the second direction; and   the heat exchanger further comprises: a connection portion, by which the first ends of the heat exchange tubes of one column of heat exchange tubes of the plurality columns of heat exchange tubes and the first ends of the heat exchange tubes of another column of heat exchange tubes of the plurality columns of heat exchange tubes are connected and fluidly communicated with each other; and two second headers, one of the two second headers being connected and fluidly communicated with the second ends of the heat exchange tubes of the one column of heat exchange tubes, and the other of the two second headers being connected and fluidly communicated with the second ends of the heat exchange tubes of the another column of heat exchange tubes.   
     
     
         35 . The heat exchanger according to  claim 34 , wherein
 the connection portion comprises a plurality of connection tubes, by which the first ends of the heat exchange tubes of the one column of heat exchange tubes are connected and fluidly communicated with the first ends of the heat exchange tubes of the another column of heat exchange tubes of the plurality of connection tubes, respectively, wherein   the heat exchange tube of the one column of heat exchange tubes, the connection tube, and the heat exchange tube of the another column of heat exchange tubes, which are connected with each other, are formed by bending one tube.   
     
     
         36 . (canceled) 
     
     
         37 . The heat exchanger according to  claim 31 , wherein
 the heat exchange tube of the plurality of columns of heat exchange tubes comprises a first end positioned on one side of the heat exchange tube in the second direction and a second end positioned on the other side of the heat exchange tube in the second direction; and   the heat exchanger further comprises: two first headers and two second headers, one of the two first headers and one of the two second headers being connected and fluidly communicated with the first ends and the second ends of the heat exchange tubes of at least one column of heat exchange tubes of the plurality of columns of heat exchange tubes, respectively, and the other of the two first headers and the other of the two second headers being connected and fluidly communicated with the first ends and the second ends of the heat exchange tubes of at least another column of heat exchange tubes of the plurality of columns of heat exchange tubes, respectively.   
     
     
         38 . (canceled) 
     
     
         39 . (canceled) 
     
     
         40 . An air conditioning system comprising:
 the heat exchanger according to  claim 1 .