Heat exchangers and air conditioning systems

Abstract

The embodiment of the present invention discloses a heat exchanger and an air conditioning system having the heat exchanger. The heat exchanger includes a plurality of fins and a heat exchange tube row. The fin includes a fin body and a plurality of heat exchange tube slots formed in the fin body, the heat exchange tube slot row includes a plurality of heat exchange tube slots arranged along a first direction, a plurality of fins are arranged along a second direction perpendicular to the first direction, and a plurality of heat exchange tube slot rows are arranged along a third direction perpendicular to the first direction and the second direction. The heat exchange tube row is arranged in the heat exchange tube slots of the heat exchange tube slot row, and the heat exchange tube row is composed of one heat exchange tube or a plurality of heat exchange tubes. The length of at least one heat exchange tube slot in the third direction is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction. Thereby, the performance of the heat exchanger and the air conditioning system can be improved.

Description

Technical Field

[0001] Embodiments of the present invention relate to a heat exchanger and an air conditioning system having the heat exchanger. Background Art

[0002] The heat exchanger comprises a heat exchange tube and a fin, wherein the fin has a heat exchange tube groove, the heat exchange tube groove is open at one side of the heat exchanger, or the heat exchange tube groove has no opening. The heat exchange tube is inserted into the heat exchange tube groove of the fin. Summary of the invention

[0003] An object of the embodiments of the present invention is to provide a heat exchanger and an air conditioning system having the heat exchanger, thereby, for example, improving the performance of the heat exchanger and the air conditioning system.

[0004] An embodiment of the present invention provides a heat exchanger, comprising: a plurality of fins, each of the plurality of fins comprising: a fin body; and a plurality of heat exchange tube slot arrays formed in the fin body, each of the plurality of heat exchange tube slot arrays comprising a plurality of heat exchange tube slots arranged along a first direction, a plurality of fins arranged along a second direction perpendicular to the first direction, and a plurality of heat exchange tube slot arrays of each of the plurality of fins arranged along a third direction perpendicular to the first direction and the second direction; and a heat exchange tube slot in each of the plurality of heat exchange tube slots in each of the plurality of heat exchange tube slot arrays. Tube row, the heat exchange tube row is composed of one heat exchange tube or multiple heat exchange tubes, wherein: the length of at least one heat exchange tube groove in the multiple heat exchange tube groove rows of at least one heat exchange tube groove row of the multiple fins in the third direction is greater than the heat exchange tube size of the heat exchange tube row inserted therein in the third direction, when the heat exchange tube row is composed of one heat exchange tube, the heat exchange tube size is the size of the one heat exchange tube in the third direction, and when the heat exchange tube row is composed of multiple heat exchange tubes, the heat exchange tube size is the sum of the sizes of the multiple heat exchange tubes in the third direction.

[0005] According to an embodiment of the present invention, a plurality of fins and heat exchange tubes in heat exchange tube grooves of a plurality of heat exchange tube groove columns of the plurality of fins constitute a heat exchanger core, the heat exchanger core includes a first core portion and a second core portion, the first core portion and the second core portion are respectively located on both sides of a plane passing through the geometric center of the fin body and perpendicular to a third direction, the first core portion is located on a first side of the heat exchanger in the third direction, the second core portion is located on a second side of the heat exchanger in the third direction opposite to the first side, the heat exchange efficiency of the first core portion is lower than the heat exchange efficiency of the second core portion.

[0006] According to an embodiment of the present invention, a plurality of heat exchange tube grooves of at least one heat exchange tube groove row of a plurality of heat exchange tube groove rows of at least one fin among a plurality of fins located on a first side of the heat exchanger in a third direction and a plurality of heat exchange tube grooves of at least another heat exchange tube groove row of a plurality of heat exchange tube groove rows of at least one fin among a plurality of fins located on a second side of the heat exchanger opposite to the first side in the third direction are alternately arranged in the first direction.

[0007] According to an embodiment of the present invention, a plurality of rows of heat exchange tubes in a plurality of heat exchange tube grooves of at least one heat exchange tube groove column among a plurality of heat exchange tube groove columns of a plurality of fins located on a first side of the heat exchanger in a third direction and a plurality of rows of heat exchange tubes in a plurality of heat exchange tube grooves of at least another heat exchange tube groove column among a plurality of fins located on a second side of the heat exchanger opposite to the first side in the third direction have the same number and the same size of heat exchange tubes.

[0008] According to an embodiment of the present invention, a plurality of rows of heat exchange tubes in a plurality of heat exchange tube grooves in at least one heat exchange tube groove column located on a first side of the heat exchanger in a third direction among a plurality of heat exchange tube groove columns of a plurality of fins have a different number and / or different size of heat exchange tubes than a plurality of rows of heat exchange tube grooves in at least another heat exchange tube groove column located on a second side of the heat exchanger opposite to the first side in the third direction among a plurality of heat exchange tube groove columns of a plurality of fins.

[0009] According to an embodiment of the present invention, the sum of the sizes of heat exchange tubes in multiple rows of heat exchange tubes in multiple heat exchange tube grooves of at least one heat exchange tube groove column among multiple heat exchange tube groove columns of multiple fins located on a first side of the heat exchanger in a third direction is smaller than the sum of the sizes of heat exchange tubes in multiple rows of heat exchange tube grooves of at least another heat exchange tube groove column among multiple heat exchange tube groove columns of multiple fins located on a second side of the heat exchanger opposite to the first side in the third direction.

[0010] According to an embodiment of the present invention, the heat transfer coefficient of at least one heat exchange tube row in the multiple heat exchange tube rows of at least one heat exchange tube groove in the multiple heat exchange tube grooves of the multiple heat exchange tube groove columns of the multiple fins located on the first side of the heat exchanger in the third direction has a smaller heat transfer coefficient than the heat transfer coefficient of at least one heat exchange tube row in the multiple heat exchange tube grooves of at least another heat exchange tube groove column in the multiple heat exchange tube grooves of the multiple fins located on the second side of the heat exchanger in the third direction opposite to the first side.

[0011] According to an embodiment of the present invention, the length SL in the third direction of at least one of the multiple heat exchange tube grooves in at least one of the multiple heat exchange tube groove columns of at least one of the multiple fins and the dimension Tw in the third direction of the heat exchange tube of the heat exchange tube row inserted therein satisfy the following relationship: SL=n*Tw, where n is a positive integer.

[0012] According to an embodiment of the present invention, n is greater than or equal to 2.

[0013] According to an embodiment of the present invention, the spacing between the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction is different from the spacing between the multiple heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

[0014] According to an embodiment of the present invention, the spacing between the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction is greater than the spacing between the multiple heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

[0015] According to an embodiment of the present invention, at least one of the multiple heat exchange tube grooves of at least one heat exchange tube groove row of a plurality of heat exchange tube groove rows of a plurality of fins located on a first side of the heat exchanger in a third direction and at least one of the multiple heat exchange tube grooves of at least another heat exchange tube groove row of a plurality of heat exchange tube groove rows of a plurality of fins located on a second side of the heat exchanger opposite to the first side in the third direction are staggered in the first direction and partially overlap when viewed in the first direction.

[0016] According to an embodiment of the present invention, the heat exchange tube groove of the heat exchange tube groove row of fins has a first groove edge and a second groove edge, the first groove edge and the second groove edge are located at the outermost side of the heat exchange tube groove in the third direction, and in the third direction, the first groove edge of the heat exchange tube groove of the fin is closer to the first side of the heat exchanger in the third direction than the second groove edge of the heat exchange tube groove of the fin; and the first groove edges of the multiple heat exchange tube grooves of at least one heat exchange tube groove row of multiple heat exchange tube groove rows of multiple fins are roughly aligned with each other in the third direction, and / or the second groove edges of the multiple heat exchange tube grooves of at least one heat exchange tube groove row of multiple heat exchange tube groove rows of multiple fins are roughly aligned with each other in the third direction.

[0017] According to an embodiment of the present invention, the plurality of heat exchange tube grooves of at least one heat exchange tube groove row among the plurality of heat exchange tube groove rows of the plurality of fins have substantially the same size in the third direction.

[0018] According to an embodiment of the present invention, the fin body of the fin has a substantially flat plate-like shape.

[0019] According to an embodiment of the present invention, the fin body of the fin includes a first fin body portion located on a first side of the heat exchanger in a third direction and a second fin body portion located on a second side of the heat exchanger in the third direction opposite to the first side, the first fin body portion is inclined relative to a plane defined by the first direction and the third direction, and the first fin body portion forms a first angle with the plane defined by the first direction and the third direction, the second fin body portion is inclined relative to the plane defined by the first direction and the third direction, and the second fin body portion forms a second angle with the plane defined by the first direction and the third direction, and the first angle is different from the second angle.

[0020] According to an embodiment of the present invention, the first angle is greater than the second angle.

[0021] According to an embodiment of the present invention, the fin body of the fin is inclined relative to a plane defined by the first direction and the third direction.

[0022] According to an embodiment of the present invention, an angle between a fin body of the fin and a plane defined by the first direction and the third direction is less than or equal to 45 degrees.

[0023] According to an embodiment of the present invention, the fin body of the plurality of fins includes a first fin body portion located on a first side of the heat exchanger in a third direction and a second fin body portion located on a second side of the heat exchanger in the third direction opposite to the first side, the fin includes a first window fin arranged on the first fin body portion, and a second window fin arranged on the second fin body portion, and the heat exchange efficiency of the first window fin is lower than the heat exchange efficiency of the second window fin.

[0024] According to an embodiment of the present invention, the plurality of heat exchange tube slot arrays of the plurality of fins include a first heat exchange tube slot array and a second heat exchange tube slot array respectively located at a first side and a second side opposite to each other in a third direction of the heat exchanger.

[0025] According to an embodiment of the present invention, the heat exchange tube grooves of the first heat exchange tube groove row of the plurality of fins are open toward the first side of the heat exchanger, and the heat exchange tube grooves of the second heat exchange tube groove row of the plurality of fins are open toward the second side of the heat exchanger.

[0026] According to an embodiment of the present invention, the plurality of heat exchange tube grooves of the first heat exchange tube groove row of the plurality of fins and the plurality of heat exchange tube grooves of the second heat exchange tube groove row of the plurality of fins have the same length in the third direction.

[0027] According to an embodiment of the present invention, the multiple heat exchange tube grooves of the first heat exchange tube groove row of multiple fins are roughly aligned with each other in the third direction, and / or the multiple heat exchange tube grooves of the second heat exchange tube groove row of multiple fins are roughly aligned with each other in the third direction.

[0028] According to an embodiment of the present invention, at least one of the plurality of heat exchange tube slots in a first heat exchange tube slot array of a plurality of fins and at least one of the plurality of heat exchange tube slots in a second heat exchange tube slot array of a plurality of fins are staggered in a first direction.

[0029] According to an embodiment of the present invention, the length in the third direction of at least one of the multiple heat exchange tube grooves of a first heat exchange tube groove column of multiple fins is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction, and the length in the third direction of at least one of the multiple heat exchange tube grooves of a second heat exchange tube groove column of multiple fins is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction.

[0030] According to an embodiment of the present invention, the length in the third direction of at least one of the multiple heat exchange tube grooves of a first heat exchange tube groove column of multiple fins is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction, and the length in the third direction of at least one of the multiple heat exchange tube grooves of a second heat exchange tube groove column of multiple fins is approximately equal to the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction.

[0031] According to an embodiment of the present invention, at least one of the plurality of heat exchange tube slots of the first heat exchange tube slot array of the plurality of fins partially overlaps with at least one of the plurality of heat exchange tube slots of the second heat exchange tube slot array of the plurality of fins when viewed in the first direction.

[0032] According to an embodiment of the present invention, the center in the third direction of at least one of the multiple heat exchange tube grooves of a first heat exchange tube groove row of multiple fins overlaps with the center in the first direction of at least one of the multiple heat exchange tube grooves of a second heat exchange tube groove row of multiple fins when viewed in the first direction and / or the center in the third direction of at least one of the multiple heat exchange tube grooves of a first heat exchange tube groove row of multiple fins overlaps with the center in the first direction of at least one of the multiple heat exchange tube grooves of a second heat exchange tube groove row of multiple fins when viewed in the first direction.

[0033] According to an embodiment of the present invention, the heat exchange tube groove of the heat exchange tube groove row of fins has a first groove edge and a second groove edge, the first groove edge and the second groove edge are located at the outermost side of the heat exchange tube groove in the third direction, and in the third direction, the first groove edge of the heat exchange tube groove of the fin is closer to the first side of the heat exchanger in the third direction than the second groove edge of the heat exchange tube groove of the fin; and the second groove edges of the multiple heat exchange tube grooves of the first heat exchange tube groove row of multiple fins are roughly aligned with each other in the third direction, and / or the first groove edges of the multiple heat exchange tube grooves of the second heat exchange tube groove row of multiple fins are roughly aligned with each other in the third direction.

[0034] According to an embodiment of the present invention, the heat exchange tubes of the heat exchange tube rows arranged in the heat exchange tube grooves of the multiple heat exchange tube groove columns of the multiple fins include a plurality of heat exchange tube columns arranged in a third direction, and each of the multiple heat exchange tube columns includes a plurality of heat exchange tubes arranged in a first direction.

[0035] According to an embodiment of the present invention, the heat exchange tubes of the plurality of heat exchange tube arrays include a first end portion located on one side of the heat exchange tube in the second direction and a second end portion located on the other side of the heat exchange tube in the second direction; and

[0036] The heat exchanger further includes: a first header connected to the first end of the heat exchange tube and in fluid communication; and a second header connected to the second end of the heat exchange tube and in fluid communication.

[0037] According to an embodiment of the present invention, the heat exchange tubes of a plurality of heat exchange tube columns include a first end portion located on one side of the heat exchange tubes in a second direction and a second end portion located on the other side of the heat exchange tubes in the second direction; and the heat exchanger also includes: a first collecting pipe interconnected with and fluidically connected to the first ends of the heat exchange tubes of the plurality of heat exchange tube columns; and two second collecting pipes, one of the two second collecting pipes being connected to and fluidically connected to the second ends of the heat exchange tubes of at least one heat exchange tube column in the plurality of heat exchange tube columns, and the other of the two second collecting pipes being connected to and fluidically connected to the second ends of the heat exchange tubes of at least another heat exchange tube column in the plurality of heat exchange tube columns.

[0038] According to an embodiment of the present invention, the heat exchange tubes of a plurality of heat exchange tube columns include a first end portion located on one side of the heat exchange tubes in a second direction and a second end portion located on the other side of the heat exchange tubes in the second direction; and the heat exchanger also includes: a connecting portion, through which the first end portion of the heat exchange tubes of one of the plurality of heat exchange tube columns is interconnected and fluidically connected with the first end portion of the heat exchange tubes of another of the plurality of heat exchange tube columns; and two second collecting pipes, one of the two second collecting pipes is connected and fluidically connected with the second end portion of the heat exchange tubes of the one heat exchange tube column, and the other of the two second collecting pipes is connected and fluidically connected with the second end portion of the heat exchange tubes of the other heat exchange tube column.

[0039] According to an embodiment of the present invention, the connecting portion is a plurality of connecting tubes, through which the first ends of the heat exchange tubes of the one heat exchange tube row are respectively connected to the first ends of the heat exchange tubes of the other heat exchange tube row and are fluidically connected.

[0040] According to an embodiment of the present invention, the heat exchange tubes of the one heat exchange tube row, the connecting tubes and the heat exchange tubes of the other heat exchange tube row that are connected to each other are formed by bending a tube.

[0041] According to an embodiment of the present invention, the heat exchange tubes of a plurality of heat exchange tube columns include a first end located on one side of the heat exchange tube in a second direction and a second end located on the other side of the heat exchange tube in the second direction; and the heat exchanger also includes: two first collecting pipes and two second collecting pipes, one of the two first collecting pipes and one of the two second collecting pipes are respectively connected to the first end and the second end of the heat exchange tubes of at least one heat exchange tube column in the plurality of heat exchange tube columns and are fluidically connected, and the other of the two first collecting pipes and the other of the two second collecting pipes are respectively connected to the first end and the second end of the heat exchange tubes of at least another heat exchange tube column in the plurality of heat exchange tube columns and are fluidically connected.

[0042] According to an embodiment of the present invention, in use, at least a portion of the heat exchange tube extends substantially vertically.

[0043] According to an embodiment of the invention, at least some of the fins are each formed from a plate.

[0044] An embodiment of the present invention further provides an air conditioning system, comprising: the above-mentioned heat exchanger.

[0045] By using the heat exchanger and the air conditioning system having the heat exchanger according to the embodiment of the present invention, for example, the performance of the heat exchanger and the air conditioning system can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 is a schematic front view of a heat exchanger according to an embodiment of the present invention;

[0047] Figure 2 for Figure 1 A schematic left side view of the heat exchanger shown;

[0048] Figure 3 is a schematic front view of a heat exchanger according to an embodiment of the present invention;

[0049] Figure 4 for Figure 3 A schematic left side view of the heat exchanger shown;

[0050] Figure 5 is a schematic front view of a heat exchanger according to an embodiment of the present invention;

[0051] Figure 6 for Figure 5 A schematic left side view of the heat exchanger shown;

[0052] Figure 7 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0053] Figure 8 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0054] Fig. 9 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0055] Fig.10 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0056] Fig.11 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0057] Fig.12 for Fig.11 A schematic front view of the fins of the heat exchanger shown;

[0058] Fig.13 is a schematic top view of a fin of a heat exchanger according to an embodiment of the present invention;

[0059] Fig.14 for Fig.13 A schematic front view of the fins of the heat exchanger shown;

[0060] Fig.15 A schematic top view showing the matching relationship between the fins and the heat exchange tubes of the heat exchanger according to an embodiment of the present invention;

[0061] Fig.16 A schematic top view showing the matching relationship between the fins and the heat exchange tubes of the heat exchanger according to an embodiment of the present invention;

[0062] Fig.17 A schematic top view showing the matching relationship between the fins and the heat exchange tubes of the heat exchanger according to an embodiment of the present invention;

[0063] Fig.18 A schematic top view showing the matching relationship between the fins and the heat exchange tubes of the heat exchanger according to an embodiment of the present invention;

[0064] Fig.19 A schematic top view showing the matching relationship between the fins and the heat exchange tubes of the heat exchanger according to an embodiment of the present invention; and

[0065] Fig. 20 To show Fig.19 A schematic front view of the matching relationship between the fins and heat exchange tubes of the heat exchanger shown. DETAILED DESCRIPTION

[0066] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0067] See also Figures 1 to 20 The heat exchanger 100 according to the embodiment of the present invention comprises: a plurality of fins 2 and a heat exchange tube row. Each of the plurality of fins 2 comprises: a fin body 20; and a plurality of heat exchange tube slots formed in the fin body 20, for example, Figures 7 to 11 , Fig.13 , Figures 15 to 19 , a first heat exchange tube slot row including a plurality of heat exchange tube slots 21A and a second heat exchange tube slot row including a plurality of heat exchange tube slots 21B are shown, and the first heat exchange tube slot row and the second heat exchange tube slot row are respectively located on a first side S1 and a second side S2 of the heat exchanger 100 that are opposite to each other in a third direction D3. In addition, the fin 2 may include three or more heat exchange tube slot rows. Each of the plurality of heat exchange tube slot rows includes a plurality of heat exchange tube slots 21 arranged along a first direction D1, a plurality of fins 2 are arranged along a second direction D2 perpendicular to the first direction D1, and a plurality of heat exchange tube slot rows of each of the plurality of fins 2 are arranged along a third direction D3 perpendicular to the first direction D1 and the second direction D2. A heat exchange tube row is arranged in each of the plurality of heat exchange tube slots 21 of each of the plurality of heat exchange tube slot rows, and the heat exchange tube row is composed of one heat exchange tube 1 or a plurality of heat exchange tubes 1. See FIG. Figures 15 to 19 , the length in the third direction D3 of at least one heat exchange tube groove 21 of at least one heat exchange tube groove row of at least one of the multiple heat exchange tube groove rows of at least one fin 2 among the multiple fins 2 is greater than the size of the heat exchange tube in the third direction D3 of the heat exchange tube row inserted therein, and when the heat exchange tube row is composed of one heat exchange tube 1, the heat exchange tube size is the size of the one heat exchange tube 1 in the third direction D3, and when the heat exchange tube row is composed of multiple heat exchange tubes 1, the heat exchange tube size is the sum of the sizes of the multiple heat exchange tubes 1 in the third direction D3. According to an embodiment of the present invention, the length in the third direction D3 of at least one heat exchange tube groove 21 of at least one heat exchange tube groove row of at least one of the multiple heat exchange tube groove rows of at least one fin 2 among the multiple fins 2 is greater than the size of the heat exchange tube in the third direction D3 of the heat exchange tube row inserted therein, and a gap 5 for water to pass through can be formed in the at least one heat exchange tube groove 21. For example, the gap 5 forms a drainage channel through which the defrost water can flow away quickly, thereby improving the performance of the heat exchanger under frosting conditions.

[0068] See also Figure 7 , Fig. 9 , Fig.11 , Fig.13 , Figures 15 to 17 , Fig.19 In some embodiments of the present invention, the multiple heat exchange tube grooves 21 of at least one heat exchange tube groove row located on the first side S1 of the heat exchanger 100 in the third direction D3 in the multiple heat exchange tube groove rows of at least one fin 2 among the multiple fins 2 are alternately arranged in the first direction D1 with the multiple heat exchange tube grooves 21 of at least another heat exchange tube groove row located on the second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 in the multiple heat exchange tube groove rows of at least one fin 2 among the multiple fins 2, thereby facilitating the adjustment of the heat exchange efficiency of each area of ​​the heat exchanger 100 in the third direction D3. According to an example of the present invention, see Fig. 9 , Fig.17 At least one heat exchange tube groove 21 of the multiple heat exchange tube grooves 21 of at least one heat exchange tube groove row of the multiple heat exchange tube groove rows of the multiple fins 2 located on the first side S1 of the heat exchanger 100 in the third direction D3 and at least one heat exchange tube groove 21 of the multiple heat exchange tube groove rows of the multiple fins 2 located on the second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 are staggered in the first direction D1 and partially overlap when viewed in the first direction D1, thereby facilitating adjustment of the heat exchange efficiency of each area of ​​the heat exchanger 100 in the third direction D3.

[0069] See also Figure 8 In some other embodiments of the present invention, at least one heat exchange tube groove 21 of the multiple heat exchange tube grooves 21 of at least one heat exchange tube groove row of the multiple heat exchange tube groove rows of the multiple fins 2 located on the first side S1 of the heat exchanger 100 in the third direction D3 and at least one heat exchange tube groove 21 of the multiple heat exchange tube groove rows of the multiple fins 2 located on the second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 are roughly aligned with each other in the first direction D1.

[0070] See also Fig.10 , Fig.18In some embodiments of the present invention, the spacing of the multiple heat exchange tube grooves 21 of at least one heat exchange tube groove row located on the first side S1 of the heat exchanger 100 in the third direction D3 among the multiple heat exchange tube groove rows of the multiple fins 2 is different from the spacing of the multiple heat exchange tube grooves 21 of at least another heat exchange tube groove row located on the second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 among the multiple heat exchange tube groove rows of the multiple fins 2. For example, the spacing of the multiple heat exchange tube grooves 21 of at least one heat exchange tube groove row located on the first side S1 of the heat exchanger 100 in the third direction D3 among the multiple heat exchange tube groove rows of the multiple fins 2 is greater than the spacing of the multiple heat exchange tube grooves 21 of at least another heat exchange tube groove row located on the second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 among the multiple heat exchange tube groove rows of the multiple fins 2. As a result, it is convenient to adjust the heat exchange efficiency of each area of ​​the heat exchanger 100 in the third direction D3.

[0071] See also Figures 7 to 11 , Fig.13 , Figures 15 to 19 In the embodiment of the present invention, the heat exchange tube groove 21 of the heat exchange tube groove row of the fin 2 has a first groove edge 211 and a second groove edge 212, the first groove edge 211 and the second groove edge 212 are located at the outermost side of the heat exchange tube groove 21 in the third direction D3, and in the third direction D3, the first groove edge 211 of the heat exchange tube groove 21 of the fin 2 is closer to the first side S1 of the heat exchanger 100 in the third direction D3 than the second groove edge 212 of the heat exchange tube groove 21 of the fin 2. The first groove edges 211 of the plurality of heat exchange tube grooves 21 of at least one of the plurality of heat exchange tube groove rows of the plurality of fins 2 are substantially aligned with each other in the third direction D3, and / or the second groove edges 212 of the plurality of heat exchange tube grooves 21 of the at least one of the plurality of heat exchange tube groove rows of the plurality of fins 2 are substantially aligned with each other in the third direction D3. For example, the plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row among the plurality of heat exchange tube groove rows of the plurality of fins 2 may have substantially the same size in the third direction D3.

[0072] See also Figures 1 to 10 , Figures 13 to 18 In some embodiments of the present invention, the fin body 20 of the fin 2 may have a substantially flat plate shape. The fin body 20 of the fin 2 may be inclined relative to the plane defined by the first direction D1 and the third direction D3. For example, the angle between the fin body 20 of the fin 2 and the plane defined by the first direction D1 and the third direction D3 is less than or equal to 45 degrees.

[0073] See also Figure 11 to Figure 12 , Figures 19 to 20In some embodiments of the present invention, the fin body 20 of the fin 2 includes a first fin body portion 20A located on a first side S1 of the heat exchanger 100 in the third direction D3 and a second fin body portion 20B located on a second side S2 of the heat exchanger 100 in the third direction D3 opposite to the first side S1, and the first fin body portion 20A and the second fin body portion 20B may have a substantially flat plate shape. The first fin body portion 20A is inclined relative to a plane defined by the first direction D1 and the third direction D3, and the first fin body portion 20A forms a first angle α with the plane defined by the first direction D1 and the third direction D3, the second fin body portion 20B is inclined relative to a plane defined by the first direction D1 and the third direction D3, and the second fin body portion 20B forms a second angle β with the plane defined by the first direction D1 and the third direction D3, and the first angle α is different from the second angle β. For example, the first angle α is greater than the second angle β. Thus, the discharge of condensed water is facilitated.

[0074] See also Figures 7 to 11 , Fig.13 , Figures 15 to 19 In an embodiment of the present invention, the plurality of heat exchange tube slots of the plurality of fins 2 include a first heat exchange tube slot row and a second heat exchange tube slot row respectively located on a first side S1 and a second side S2 of the heat exchanger 100 that are opposite in a third direction D3. For example, the first heat exchange tube slot row is on the windward side of the heat exchanger, and the second heat exchange tube slot row is on the leeward side of the heat exchanger. The first heat exchange tube slot row includes a plurality of heat exchange tube slots 21A, and the second heat exchange tube slot row includes a plurality of heat exchange tube slots 21B. The plurality of heat exchange tube slots 21A of the first heat exchange tube slot row of the plurality of fins 2 are open toward the first side S1 of the heat exchanger 100, and the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row of the plurality of fins 2 are open toward the second side S2 of the heat exchanger 100. The heat exchange tube slots 21 of the plurality of fins 2 may have no openings and be closed heat exchange tube slots. The plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 and the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 may have the same length in the third direction D3. The plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 may be substantially aligned with each other in the third direction D3, and / or the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 may be substantially aligned with each other in the third direction D3.

[0075] See also Figure 8 In an embodiment of the present invention, the plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 can be substantially aligned with the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 in the first direction D1.

[0076] See also Figure 7 , Fig. 9 , Fig.11, Fig.13 , Figures 15 to 17 , Fig.19 In the embodiment of the present invention, at least one of the plurality of heat exchange tube slots 21A of the first heat exchange tube slot row of the plurality of fins 2 can be staggered with at least one of the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row of the plurality of fins 2 in the first direction D1. The plurality of heat exchange tube slots 21A of the first heat exchange tube slot row of the plurality of fins 2 can be staggered with the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row of the plurality of fins 2 in the first direction D1. Fig. 9 , Fig.17 In an embodiment of the present invention, at least one of the plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 partially overlaps with at least one of the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 when viewed in the first direction D1. According to an example of the present invention, the center of at least one of the plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 in the third direction D3 overlaps with at least one of the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 when viewed in the first direction D1 and / or the center of at least one of the plurality of heat exchange tube grooves 21A of the first heat exchange tube groove row of the plurality of fins 2 overlaps with at least one of the plurality of heat exchange tube grooves 21B of the second heat exchange tube groove row of the plurality of fins 2 in the third direction D3 when viewed in the first direction D1. Thus, it is convenient to adjust the heat exchange efficiency of each area of ​​the heat exchanger 100 in the third direction D3.

[0077] See also Fig.15 , Figures 17 to 19 In some embodiments of the present invention, at least one of the plurality of heat exchange tube slots 21A of the first heat exchange tube slot row of the plurality of fins 2 has a length in the third direction D3 greater than the size of the heat exchange tube of the heat exchange tube row inserted therein, and at least one of the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row of the plurality of fins 2 has a length in the third direction D3 greater than the size of the heat exchange tube of the heat exchange tube row inserted therein. Fig.16 In some other embodiments of the present invention, the length of at least one of the multiple heat exchange tube grooves 21A of the first heat exchange tube groove row of the multiple fins 2 in the third direction D3 is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction D3, and the length of at least one of the multiple heat exchange tube grooves 21B of the second heat exchange tube groove row of the multiple fins 2 in the third direction D3 is approximately equal to the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction D3.

[0078] See also Figures 7 to 11 , Fig.13 , Figures 15 to 19In an embodiment of the present invention, the second groove edges 212 of multiple heat exchange tube grooves 21A of a first heat exchange tube groove row of multiple fins 2 are roughly aligned with each other in the third direction D3, and / or the first groove edges 211 of multiple heat exchange tube grooves 21B of a second heat exchange tube groove row of multiple fins 2 are roughly aligned with each other in the third direction D3.

[0079] See also Figure 1 , Figure 3 , Figure 5 In the embodiment of the present invention, a plurality of fins 2 and heat exchange tubes 1 arranged in heat exchange tube grooves 21 of a plurality of heat exchange tube groove columns of the plurality of fins 2 constitute a heat exchanger core 8, and the heat exchanger core 8 includes a first core portion 81 and a second core portion 82, the first core portion 81 and the second core portion 82 are respectively located on both sides of a plane passing through the geometric center of the fin body 20 and perpendicular to the third direction D3, the first core portion 81 is located on the first side S1 of the heat exchanger 100 in the third direction D3, the second core portion 82 is located on the second side S2 of the heat exchanger 100 in the third direction D3 opposite to the first side S1, and the heat exchange efficiency of the first core portion 81 is lower than that of the second core portion 82. Heat exchange efficiency refers to a measure of the effectiveness of heat exchange between air and other fluid media when air flows through a heat exchanger. Given the same atmospheric environment, dry bulb temperature, wet bulb temperature, atmospheric pressure, same fluid, same inlet temperature, and same flow rate, the difference in temperature change before and after the air flows through the heat exchanger is compared with the average temperature at the air outlet. A higher temperature change means a higher heat exchange efficiency. According to an embodiment of the present invention, when the first core portion 81 is on the windward side of the heat exchanger and the second core portion 82 is on the leeward side of the heat exchanger, by adjusting the heat exchange efficiency of the first core portion 81 and the second core portion 82, the utilization efficiency of the first core portion 81 can be balanced, and the second core portion 82 can be fully utilized. In addition, the amount of condensed water generated in the first core portion 81 can be potentially reduced, reducing the heat transfer thermal resistance caused by the condensed water, which can improve the overall heat exchange efficiency of the heat exchanger.

[0080] See also Fig.13 , Fig.14In the embodiment of the present invention, the fin bodies 20 of the plurality of fins 2 include a first fin body portion 20A located at a first side S1 of the heat exchanger 100 in the third direction D3 and a second fin body portion 20B located at a second side S2 of the heat exchanger 100 in the third direction D3 opposite to the first side S1. The fins 2 include a first window piece 22A disposed on the first fin body portion 20A and a second window piece 22B disposed on the second fin body portion 20B. The heat exchange efficiency of the first window piece 22A is lower than that of the second window piece 22B. Thus, it is convenient to adjust the heat exchange efficiency of each region of the heat exchanger 100 in the third direction D3. For example, the number of the first window pieces 22A is less than the number of the second window pieces 22B, the range of the first window pieces 22A in the third direction D3 is smaller than the range of the second window pieces 22B in the third direction D3, the spacing of the first window pieces 22A is larger than the spacing of the second window pieces 22B, and the inclination angle of the first window piece 22A relative to the first fin body part 20A is smaller than the inclination angle of the second window piece 22B relative to the second fin body part 20B. For example, see Fig.14 , the spacing of the first window pieces 22A is 3 mm, the inclination angle of the first window pieces 22A relative to the first fin main body 20A is 25 degrees, the spacing of the second window pieces 22B is 2 mm, and the inclination angle of the second window pieces 22B relative to the second fin main body 20B is 30 degrees. According to another example of the present invention, the fin 2 includes a second window piece 22B arranged on the second fin main body 20B, and there is no window piece on the first fin main body 20A.

[0081] See also Fig.16 , Fig.18 In an embodiment of the present invention, the sum of sizes of heat exchange tubes in a plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row among a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a first side S1 of the heat exchanger 100 in a third direction D3 is smaller than the sum of sizes of heat exchange tubes in a plurality of heat exchange tube grooves 21 of at least another heat exchange tube groove row among a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3.

[0082] See also Figure 1 , Figure 3 , Figure 5 , Figures 15 to 20In an embodiment of the present invention, the heat transfer coefficient of at least one heat exchange tube 1 in a plurality of heat exchange tube rows in a plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row located on a first side S1 of the heat exchanger 100 in a third direction D3 among a plurality of heat exchange tube groove rows of a plurality of fins 2 or at least one heat exchange tube 1 in a plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row located on a second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 is smaller than the heat transfer coefficient of at least one heat exchange tube 1 in a plurality of heat exchange tube grooves 21 of at least another heat exchange tube groove row of a plurality of heat exchange tube groove rows of a plurality of fins 2 or at least one heat exchange tube 1 in a plurality of heat exchange tube rows. This facilitates adjustment of the heat exchange efficiency of each region of the heat exchanger 100 in the third direction D3.

[0083] See also Fig.15 , Fig.17 , Fig.18 , Fig.19 In some embodiments of the present invention, a plurality of heat exchange tube rows in a plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row in a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a first side S1 of the heat exchanger 100 in a third direction D3 and a plurality of heat exchange tube rows in a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3 have the same number and size of heat exchange tubes 1, thereby reducing the complexity of the production and processing process and reducing the probability of misusing the heat exchange tubes.

[0084] See also Fig.16 In some embodiments of the present invention, a plurality of heat exchange tube rows in a plurality of heat exchange tube grooves 21 of at least one heat exchange tube groove row in a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a first side S1 of the heat exchanger 100 in a third direction D3 have a different number and / or different size of heat exchange tubes 1 than a plurality of heat exchange tube grooves 21 of at least another heat exchange tube groove row in a plurality of heat exchange tube groove rows of a plurality of fins 2 located on a second side S2 of the heat exchanger 100 opposite to the first side S1 in the third direction D3, thereby facilitating adjustment of the heat exchange efficiency of each area of ​​the heat exchanger 100 in the third direction D3.

[0085] See also Figures 15 to 19In an embodiment of the present invention, the length SL of at least one heat exchange tube slot 21 of at least one heat exchange tube slot row of at least one of the multiple heat exchange tube slot rows of at least one of the multiple fins 2 in the third direction D3 and the size Tw of the heat exchange tube of the heat exchange tube row inserted therein in the third direction D3 satisfy the following relationship: SL = n*Tw, where n is a positive integer. n can be greater than or equal to 2. For example, the length of the heat exchange tube slot 21 of the multiple heat exchange tube slot rows in the third direction D3 is an integer multiple of the size of the heat exchange tube in the third direction D3. As a result, the complexity of the production process is reduced, and the utilization rate of the inefficient heat transfer area is reduced.

[0086] See also Figure 1 , Figure 3 , Figure 5 , Figures 15 to 20 In an embodiment of the present invention, the heat exchange tubes 1 of the heat exchange tube rows in the heat exchange tube slots 21 of the multiple heat exchange tube slot rows of the multiple fins 2 include multiple heat exchange tube rows arranged in the third direction D3, and each of the multiple heat exchange tube rows includes multiple heat exchange tubes 1 arranged in the first direction D1. For example, the first heat exchange tube row includes multiple heat exchange tubes 1A, the second heat exchange tube row includes multiple heat exchange tubes 1B, the third heat exchange tube row includes multiple heat exchange tubes 1C, the fourth heat exchange tube row includes multiple heat exchange tubes 1D, and so on. See Figure 1 , Figure 3 , Figure 5 In an embodiment of the present invention, the heat exchange tubes 1 of the plurality of heat exchange tube columns include a first end 18 located on one side of the heat exchange tube 1 in the second direction D2 and a second end 19 located on the other side of the heat exchange tube 1 in the second direction D2. In one example, the heat exchanger 100 further includes: a first header 31 connected to and fluidically connected with the first end 18 of the heat exchange tube 1; and a second header 32 connected to and fluidically connected with the second end 19 of the heat exchange tube 1. In another example, the heat exchanger 100 further includes: a first header 31 interconnected and fluidically connected with the first ends 18 of the heat exchange tubes 1 of the plurality of heat exchange tube columns; and two second headers 32, one of the two second headers 32 is connected to and fluidically connected with the second end 19 of the heat exchange tube 1 of at least one heat exchange tube column in the plurality of heat exchange tube columns, and the other of the two second headers 32 is connected to and fluidically connected with the second end 19 of the heat exchange tube 1 of at least another heat exchange tube column in the plurality of heat exchange tube columns. In yet another example, see Figure 5 , Figure 6The heat exchanger 100 further includes: a connection portion 6, through which the first end 18 of the heat exchange tube 1 of one of the plurality of heat exchange tube rows is connected to the first end 18 of the heat exchange tube 1 of another of the plurality of heat exchange tube rows and is in fluid communication; and two second headers 32, one of the two second headers 32 is connected to the second end 19 of the heat exchange tube 1 of the one heat exchange tube row and is in fluid communication, and the other of the two second headers 32 is connected to the second end 19 of the heat exchange tube 1 of the other heat exchange tube row and is in fluid communication. The connection portion 6 may be a plurality of connection tubes 60, through which the first end 18 of the heat exchange tube 1 of the one heat exchange tube row is respectively connected to the first end 18 of the heat exchange tube 1 of the other heat exchange tube row and is in fluid communication. The connecting portion 6 can also connect the first end 18 of the heat exchange tube 1 of the one heat exchange tube row with the first end 18 of the heat exchange tube 1 of the other heat exchange tube row and fluidly communicate with each other, rather than connecting the first end 18 of the heat exchange tube 1 of the one heat exchange tube row with the first end 18 of the heat exchange tube 1 of the other heat exchange tube row one by one and fluidly communicate with each other. The interconnected heat exchange tubes 1 of the one heat exchange tube row, the connecting tube 60 and the heat exchange tubes 1 of the other heat exchange tube row can be formed by bending a tube. Figure 5 , Figure 6 In the example shown in , the first ends 18 of the heat exchange tubes 1 of two heat exchange tube rows among the plurality of heat exchange tube rows are respectively connected to each other and in fluid communication with the first ends 18 of the heat exchange tubes 1 of the other two heat exchange tube rows among the plurality of heat exchange tube rows, one of the two second headers 32 is connected to the second ends 19 of the heat exchange tubes 1 of the two heat exchange tube rows and in fluid communication with each other, and the other of the two second headers 32 is connected to the second ends 19 of the heat exchange tubes 1 of the other two heat exchange tube rows and in fluid communication with each other. In a further example, see Figure 1 , Figure 3 The heat exchanger 100 further includes: two first headers 31 and two second headers 32, one of the two first headers 31 and one of the two second headers 32 are respectively connected to the first end 18 and the second end 19 of the heat exchange tube 1 of at least one heat exchange tube row in the plurality of heat exchange tube rows and are in fluid communication, and the other of the two first headers 31 and the other of the two second headers 32 are respectively connected to the first end 18 and the second end 19 of the heat exchange tube 1 of at least another heat exchange tube row in the plurality of heat exchange tube rows and are in fluid communication. Figure 1 , Figure 3 In the example shown, each first header 31 is connected to the first end 18 of the heat exchange tube 1 of two heat exchange tube columns among the multiple heat exchange tube columns and is fluidically connected, and each second header 32 is connected to the second end 19 of the heat exchange tube 1 of two heat exchange tube columns among the multiple heat exchange tube columns and is fluidically connected.

[0087] See also Figures 1 to 6 In an embodiment of the present invention, in use, at least a portion of the heat exchange tube 1 extends substantially vertically. For example, the heat exchange tube 1 extends substantially vertically. In addition, at least a portion of the heat exchange tube 1 may also extend substantially horizontally or obliquely, for example, the heat exchange tube 1 may extend substantially horizontally or obliquely. Figures 1 to 20 In an embodiment of the present invention, at least some of the fins 2 are each formed of a plate. For example, the fins 2 are formed of a plate.

[0088] exist Fig.15 In the example shown, the plurality of heat exchange tube slots 21A of the first heat exchange tube slot row are open toward the first side S1 of the heat exchanger 100, and the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row are open toward the second side S2 of the heat exchanger 100. The dimensions Tw of the heat exchange tubes 1 in the third direction D3 are substantially the same, and the plurality of heat exchange tube slots 21A of the first heat exchange tube slot row and the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row are staggered with each other in the first direction D1. The length of the heat exchange tube slots 21 in the third direction D3 is greater than the size of the heat exchange tubes of the heat exchange tube row inserted therein in the third direction D3. The spacing TP1 of the plurality of heat exchange tube slots 21A of the first heat exchange tube slot row is substantially the same as the spacing TP2 of the plurality of heat exchange tube slots 21B of the second heat exchange tube slot row. The widths Sw of the heat exchange tube slots 21 in the first direction are substantially the same.

[0089] exist Fig.16 In the example shown, the length of the heat exchange tube slot 21A of the first heat exchange tube slot row in the third direction D3 is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction D3, and the length of the heat exchange tube slot 21B of the second heat exchange tube slot row in the third direction D3 is approximately equal to the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction D3. In order to improve the heat exchange efficiency, a heat exchange tube row with a larger heat exchange tube size or a more efficient heat exchange tube (a heat exchange tube with a higher heat transfer efficiency) can be arranged in the heat exchange tube slot 21B of the second heat exchange tube slot row.

[0090] In the embodiment of the present invention, the heat exchange tube 1 may be a flat tube or any heat exchange tube having two substantially parallel planes.

[0091] The air conditioning system according to the embodiment of the present invention includes: the above-mentioned heat exchanger 100. More specifically, the air conditioning system includes: a compressor, a condenser, an evaporator, an expansion valve, etc. At least one of the condenser and the evaporator can be the above-mentioned heat exchanger 100.

[0092] By using the heat exchanger and the air conditioning system having the heat exchanger according to the embodiment of the present invention, for example, the performance of the heat exchanger and the air conditioning system can be improved.

[0093] According to an embodiment of the present invention, the temperature of different areas of the heat exchanger in the third direction can be flexibly controlled, thereby avoiding the phenomenon of condensed water being concentrated on the windward side due to overly efficient heat exchange on the windward side of the heat exchanger, and the leeward side of the heat exchanger can be fully utilized, which not only effectively reduces wind resistance (because less condensed water is accumulated), but also balances the heat exchange efficiency of the windward side and the leeward side of the heat exchanger, thereby achieving the purpose of improving the overall efficiency of the heat exchanger.

[0094] Although the above embodiments are described, some features of the above embodiments and / or some of the above embodiments may be combined to form new embodiments.

Claims

1. A heat exchanger, comprising: A plurality of fins, each of the plurality of fins comprising: a fin body; and a plurality of heat exchange tube groove arrays formed in the fin body, each of the plurality of heat exchange tube groove arrays comprising a plurality of heat exchange tube grooves arranged along a first direction, the plurality of fins being arranged along a second direction perpendicular to the first direction, and the plurality of heat exchange tube groove arrays of each of the plurality of fins being arranged along a third direction perpendicular to the first direction and the second direction; and A heat exchange tube row is arranged in each of the plurality of heat exchange tube slots in each of the plurality of heat exchange tube slot rows, the heat exchange tube row being composed of one heat exchange tube or a plurality of heat exchange tubes, in: The length in the third direction of at least one of the multiple heat exchange tube grooves of at least one of the multiple heat exchange tube groove rows of at least one of the multiple fins is greater than the heat exchange tube size in the third direction of the heat exchange tube row inserted therein; when the heat exchange tube row is composed of one heat exchange tube, the heat exchange tube size is the size of the one heat exchange tube in the third direction; and when the heat exchange tube row is composed of multiple heat exchange tubes, the heat exchange tube size is the sum of the sizes of the multiple heat exchange tubes in the third direction.

2. The heat exchanger according to claim 1, wherein: A plurality of fins and heat exchange tubes in heat exchange tube rows arranged in heat exchange tube grooves of a plurality of heat exchange tube groove columns of the plurality of fins constitute a heat exchanger core. The heat exchanger core includes a first core portion and a second core portion. The first core portion and the second core portion are respectively located on two sides of a plane passing through the geometric center of the fin body and perpendicular to a third direction. The first core portion is located on a first side of the heat exchanger in the third direction, and the second core portion is located on a second side of the heat exchanger in the third direction opposite to the first side. The 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 multiple heat exchange tube grooves of at least one heat exchange tube groove row of the multiple heat exchange tube groove rows of at least one fin among the multiple fins located on the first side of the heat exchanger in the third direction and the multiple heat exchange tube grooves of at least another heat exchange tube groove row of the multiple heat exchange tube groove rows of at least one fin among the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction are alternately arranged in the first direction.

4. The heat exchanger according to claim 1, wherein: The multiple rows of heat exchange tubes in the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction have the same number and the same size of heat exchange tubes as the multiple rows of heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

5. The heat exchanger according to claim 1, wherein: The multiple rows of heat exchange tubes in the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction have different numbers and / or different sizes of heat exchange tubes than the multiple rows of heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

6. The heat exchanger according to claim 1, wherein: The sum of the sizes of heat exchange tubes in multiple rows of heat exchange tubes in at least one heat exchange tube slot row among multiple heat exchange tube slot rows of multiple fins located on a first side of the heat exchanger in a third direction is smaller than the sum of the sizes of heat exchange tubes in multiple rows of heat exchange tubes in at least another heat exchange tube slot row among multiple heat exchange tube slot rows of multiple fins located on a second side of the heat exchanger opposite to the first side in the third direction.

7. The heat exchanger according to claim 1, wherein: The heat transfer coefficient of at least one heat exchange tube row in the multiple heat exchange tube grooves of at least one heat exchange tube groove row in the multiple heat exchange tube grooves of the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction has been lower than the heat transfer coefficient of at least one heat exchange tube row in the multiple heat exchange tube grooves of at least another heat exchange tube groove row in the multiple fins located on the second side of the heat exchanger in the third direction opposite to the first side.

8. The heat exchanger according to claim 1, wherein: The length SL of at least one of the multiple heat exchange tube grooves of at least one of the multiple heat exchange tube groove rows of at least one of the multiple fins in the third direction and the dimension Tw of the heat exchange tube of the heat exchange tube row inserted therein in the third direction satisfy the following relationship: 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: The spacing between the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction is different from the spacing between the multiple heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

11. The heat exchanger according to claim 1, wherein: The spacing between the multiple heat exchange tube grooves of at least one heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction is greater than the spacing between the multiple heat exchange tube grooves of at least another heat exchange tube groove row among the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction.

12. The heat exchanger according to claim 1, wherein: At least one of the multiple heat exchange tube grooves of at least one heat exchange tube groove row of the multiple heat exchange tube groove rows of the multiple fins located on the first side of the heat exchanger in the third direction and at least one of the multiple heat exchange tube grooves of at least another heat exchange tube groove row of the multiple heat exchange tube groove rows of the multiple fins located on the second side of the heat exchanger opposite to the first side in the third direction are staggered in the first direction and partially overlap when viewed in the first direction.

13. The heat exchanger according to claim 1, wherein: The heat exchange tube grooves of the heat exchange tube groove array of the fin have a first groove edge and a second groove edge, the first groove edge and the second groove edge are located at the outermost sides of the heat exchange tube grooves in the third direction, and in the third direction, the first groove edge of the heat exchange tube groove of the fin is closer to the first side of the heat exchanger in the third direction than the second groove edge of the heat exchange tube groove of the fin; and The first groove edges of the multiple heat exchange tube grooves of at least one of the multiple heat exchange tube groove rows of the multiple fins are roughly aligned with each other in the third direction, and / or the second groove edges of the multiple heat exchange tube grooves of at least one of the multiple heat exchange tube groove rows of the multiple fins are roughly aligned with each other in the third direction.

14. The heat exchanger according to claim 1, wherein: The plurality of heat exchange tube grooves of at least one heat exchange tube groove row among the plurality of heat exchange tube groove rows of the plurality of fins have substantially the same size in the third direction.

15. The heat exchanger according to claim 1, wherein: The fin body of the fin has a substantially flat plate shape.

16. The heat exchanger according to claim 1, wherein: The fin body of the fin includes a first fin body portion located on a first side of the heat exchanger in a third direction and a second fin body portion located on a second side of the heat exchanger in the third direction opposite to the first side, the first fin body portion is inclined relative to a plane defined by the first direction and the third direction, and the first fin body portion forms a first angle with the plane defined by the first direction and the third direction, the second fin body portion is inclined relative to the plane defined by the first direction and the third direction, and the second fin body portion forms a second angle with the plane defined by the first direction and the third direction, and the first angle is different from the second angle.

17. The heat exchanger according to claim 1, wherein: The first angle is greater than the second angle.

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. The heat exchanger according to claim 18, wherein: An angle between a fin body of the fin and a plane defined by the first direction and the third direction is less than or equal to 45 degrees.

20. The heat exchanger according to claim 1, wherein: The fin body of the multiple fins includes a first fin body portion located on a first side of the heat exchanger in a third direction and a second fin body portion located on a second side of the heat exchanger in the third direction opposite to the first side, the fin includes a first window fin arranged on the first fin body portion, and a second window fin arranged on the second fin body portion, and the heat exchange efficiency of the first window fin is lower than the heat exchange efficiency of the second window fin.

21. The heat exchanger according to claim 1, wherein: The plurality of heat exchange tube slot arrays of the plurality of fins include a first heat exchange tube slot array and a second heat exchange tube slot array respectively located at a first side and a second side opposite to each other in a third direction of the heat exchanger.

22. The heat exchanger according to claim 21, wherein: The heat exchange tube grooves of the first heat exchange tube groove row of the plurality of fins are open toward the first side of the heat exchanger, and the heat exchange tube grooves of the second heat exchange tube groove row of the plurality of fins are open toward the second side of the heat exchanger.

23. The heat exchanger according to claim 21, wherein: The plurality of heat exchange tube grooves of the first heat exchange tube groove row of the plurality of fins and the plurality of heat exchange tube grooves of the second heat exchange tube groove row 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 grooves of the first heat exchange tube groove row of the plurality of fins are substantially aligned with each other in the third direction, and / or the plurality of heat exchange tube grooves of the second heat exchange tube groove row of the plurality of fins are substantially aligned with each other in the third direction.

25. The heat exchanger of claim 21, wherein: At least one of the plurality of heat exchange tube grooves in the first heat exchange tube groove row of the plurality of fins and at least one of the plurality of heat exchange tube grooves in the second heat exchange tube groove row of the plurality of fins are offset from each other in the first direction.

26. The heat exchanger according to claim 25, wherein: The length of at least one of the multiple heat exchange tube grooves of the first heat exchange tube groove column of the multiple fins in the third direction is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction, and the length of at least one of the multiple heat exchange tube grooves of the second heat exchange tube groove column of the multiple fins in the third direction is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction.

27. The heat exchanger of claim 25, wherein: The length in the third direction of at least one of the multiple heat exchange tube grooves of the first heat exchange tube groove column of the multiple fins is greater than the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction, and the length in the third direction of at least one of the multiple heat exchange tube grooves of the second heat exchange tube groove column of the multiple fins is approximately equal to the size of the heat exchange tube of the heat exchange tube row inserted therein in the third direction.

28. The heat exchanger of claim 25, wherein: The at least one of the plurality of heat exchange tube slots in the first heat exchange tube slot row of the plurality of fins partially overlaps with the at least one of the plurality of heat exchange tube slots in the second heat exchange tube slot row of the plurality of fins when viewed in the first direction.

29. The heat exchanger of claim 28, wherein: The center in the third direction of at least one of the multiple heat exchange tube grooves of the first heat exchange tube groove row of multiple fins overlaps with the center in the first direction of at least one of the multiple heat exchange tube grooves of the second heat exchange tube groove row of multiple fins when viewed in the first direction and / or the center in the third direction of at least one of the multiple heat exchange tube grooves of the first heat exchange tube groove row of multiple fins overlaps with the center in the third direction of at least one of the multiple heat exchange tube grooves of the second heat exchange tube groove row of multiple fins when viewed in the first direction.

30. The heat exchanger of claim 21, wherein: The heat exchange tube grooves of the heat exchange tube groove array of the fin have a first groove edge and a second groove edge, the first groove edge and the second groove edge are located at the outermost sides of the heat exchange tube grooves in the third direction, and in the third direction, the first groove edge of the heat exchange tube groove of the fin is closer to the first side of the heat exchanger in the third direction than the second groove edge of the heat exchange tube groove of the fin; and The second groove edges of the plurality of heat exchange tube grooves of the first heat exchange tube groove row of the plurality of fins are roughly aligned with each other in the third direction, and / or the first groove edges of the plurality of heat exchange tube grooves of the second heat exchange tube groove row of the plurality of fins are roughly aligned with each other in the third direction.

31. The heat exchanger of claim 1, wherein: The heat exchange tubes of the heat exchange tube rows arranged in the heat exchange tube grooves of the plurality of heat exchange tube groove rows of the plurality of fins include a plurality of heat exchange tube rows arranged in the third direction, and each of the plurality of heat exchange tube rows includes a plurality of heat exchange tubes arranged in the first direction.

32. The heat exchanger of claim 31, wherein: The heat exchange tubes of the plurality of heat exchange tube arrays include a first end portion located on one side of the heat exchange tube in the second direction and a second end portion located on the other side of the heat exchange tube in the second direction; and The heat exchanger further includes: a first header connected to the first end of the heat exchange tube and in fluid communication; and a second header connected to the second end of the heat exchange tube and in fluid communication.

33. The heat exchanger of claim 31, wherein: The heat exchange tubes of the plurality of heat exchange tube arrays include a first end portion located on one side of the heat exchange tube in the second direction and a second end portion located on the other side of the heat exchange tube in the second direction; and The heat exchanger also includes: a first header interconnected with and fluidically connected to the first ends of the heat exchange tubes of the plurality of heat exchange tube columns; and two second headers, one of the two second headers being connected with and fluidically connected to the second ends of the heat exchange tubes of at least one of the plurality of heat exchange tube columns, and the other of the two second headers being connected with and fluidically connected to the second ends of the heat exchange tubes of at least another of the plurality of heat exchange tube columns.

34. The heat exchanger of claim 31, wherein: The heat exchange tubes of the plurality of heat exchange tube arrays include a first end portion located on one side of the heat exchange tube in the second direction and a second end portion located on the other side of the heat exchange tube in the second direction; and The heat exchanger also includes: a connecting portion, through which the first end of the heat exchange tube of one of the multiple heat exchange tube columns is interconnected and fluidically connected with the first end of the heat exchange tube of another of the multiple heat exchange tube columns; and two second headers, one of the two second headers is connected to the second end of the heat exchange tube of the one heat exchange tube column and fluidically connected, and the other of the two second headers is connected to the second end of the heat exchange tube of the other heat exchange tube column and fluidically connected.

35. The heat exchanger of claim 34, wherein: The connecting portion is a plurality of connecting tubes, through which the first ends of the heat exchange tubes of the one heat exchange tube row are respectively connected to the first ends of the heat exchange tubes of the other heat exchange tube row and are in fluid communication.

36. The heat exchanger of claim 35, wherein: The heat exchange tubes of the one heat exchange tube row, the connecting tubes, and the heat exchange tubes of the other heat exchange tube row that are connected to each other are formed by a tube bend.

37. The heat exchanger of claim 31, wherein: The heat exchange tubes of the plurality of heat exchange tube arrays include a first end portion located on one side of the heat exchange tube in the second direction and a second end portion located on the other side of the heat exchange tube in the second direction; and The heat exchanger also includes: two first headers and two second headers, one of the two first headers and one of the two second headers are respectively connected to the first end and the second end of the heat exchange tubes of at least one heat exchange tube column among the multiple heat exchange tube columns and are fluidically connected, and the other one of the two first headers and the other one of the two second headers are respectively connected to the first end and the second end of the heat exchange tubes of at least another heat exchange tube column among the multiple heat exchange tube columns and are fluidically connected.

38. The heat exchanger of claim 1, wherein: In use, at least a portion of the heat exchange tubes extends substantially vertically.

39. The heat exchanger of claim 1, wherein: At least some of the fins are each formed from a plate.

40. An air conditioning system, comprising: A heat exchanger according to any one of claims 1 to 39.

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