CN203964745U - Fin for heat exchanger and heat exchanger having same - Google Patents

Abstract

The utility model provides a fin for heat exchanger and a heat exchanger that has this fin, this fin include the fin main part that becomes the wave structure by the plate-type, the fin main part has two relative first sides on the first direction, two relative second sides on the second direction to and at the crest and the trough of second side, and first direction and second direction are alternately, and this fin main part includes: first recesses formed in the fin body and located at both first side faces of the fin body. According to the utility model discloses a fin and heat exchanger make simpler, moreover because the connecting portion between fin crest and the trough is roughly perpendicular to heat exchange tube for the comdenstion water is discharged more easily.

Description

Fin for heat exchanger and heat exchanger having same

technical field

The utility model relates to a fin used for a heat exchanger and a heat exchanger with the fin.

Background technique

Heat exchangers such as microchannel heat exchangers, tube-fin heat exchangers or parallel flow evaporators include fins and heat exchange tubes. The fins can be aluminum fins, etc., and the heat exchange tubes can be round copper or aluminum. tube, oval or flat tube.

Utility model content

The object of the present invention is to provide a fin for a heat exchanger and a heat exchanger with the fin, thereby for example improving the manufacturing process.

Another object of the present invention is to provide a fin for a heat exchanger and a heat exchanger having the same, thereby for example improving the drainage performance of the heat exchanger.

According to an aspect of the present invention, the present invention provides a fin for a heat exchanger, the fin includes a fin body formed by a plate into a corrugated structure, the fin body has a Two opposite first sides, two opposite second sides in a second direction, and crests and troughs on the second sides, and the first direction crosses the second direction, the fin body includes: a first recess , the first recess is formed in the fin body and is located on two first side surfaces of the fin body.

According to an aspect of the present invention, the heat exchange tube can be put into the first recess from the side and can conduct heat transfer with the fin main body.

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body.

According to an aspect of the present invention, the heat exchange tube can be put into the second concave portion from the side and can conduct heat transfer with the fin main body.

According to an aspect of the present invention, the part of the fin body between the crest and the trough has a wave shape or has a window.

According to an aspect of the present invention, the portion of the fin body between the crest and the trough has a protrusion.

According to an aspect of the present invention, the fin body includes drainage holes formed at the crests and troughs through the edge portion of the plate, the drainage holes being formed at the second side.

According to an aspect of the present invention, the first direction is substantially perpendicular to the second direction or the first side is substantially perpendicular to the second side.

According to one aspect of the present invention, the present invention provides a heat exchanger, which includes: a heat exchanger assembly, which includes: a heat exchange tube; and fins, which are composed of The plate is formed as a fin body of a corrugated structure, the fin body has two first sides opposite in a first direction, two second sides opposite in a second direction, and crests on the second sides and The trough, and the first direction crosses the second direction, the fin body includes: a first recess formed in the fin body and located on two first side surfaces of the fin body; The heat exchange tubes and the fins are alternately arranged in a row in such a way that the first side surfaces of the fin bodies of adjacent fins are adjacent to each other to form a heat exchanger assembly, and the heat exchange tubes are located in the first recess. .

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body. At least one of the two second side surfaces of the fin body, the second recess of the heat exchanger assembly is provided with another heat exchange tube.

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body, both Additional heat exchange tubes are provided between the row heat exchanger components, and the additional heat exchange tubes are located in the second recess.

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on the second side of the fin body, the multi-row heat exchanger assembly and The additional heat exchange tubes are alternately arranged, and the additional heat exchange tubes are located in the second recess.

According to one aspect of the present invention, the present invention provides a heat exchanger, which includes: a heat exchanger assembly, which includes: a heat exchange tube; and fins, which are composed of The plate is formed as a fin body of a corrugated structure, the fin body has two first sides opposite in a first direction, two second sides opposite in a second direction, and crests on the second sides and a trough, and the first direction intersects the second direction, the fin body includes: a first recess formed in the fin body and located on at least one of the two first side surfaces of the fin body One; wherein a plurality of fins are alternately arranged in a row in such a manner that the second sides of the fin bodies of adjacent fins are adjacent and the heat exchange tube is located on at least one of the two first sides of the first in the recess.

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body.

According to an aspect of the present invention, the fin body further includes: a second recess formed in the fin body and located on two second side surfaces of the fin body, all of the fins Another heat exchange tube is arranged in the second recess of the fin body, so that the fins and the other heat exchange tube are alternately arranged.

According to an aspect of the present invention, the heat exchange tube can be put into the first recess from the side and can conduct heat transfer with the fin main body.

According to an aspect of the present invention, another heat exchange tube can be put into the second recess from the side and can conduct heat transfer with the fin main body.

According to an aspect of the present invention, the present invention provides a fin for a heat exchanger, the fin includes a fin body formed by a plate into a corrugated structure, the fin body has a Two opposite first sides, two opposite second sides in a second direction, and crests and troughs on the second sides, and the first direction crosses the second direction, the fin body includes: a first recess , the first recess is formed in the fin body and is located on at least one of the two first sides of the fin body; and a second recess is formed in the fin body and is located at The two second side surfaces of the fin body.

According to one aspect of the present invention, the present invention provides a heat exchanger, which includes: a heat exchanger assembly, which includes: a heat exchange tube; and fins, which are composed of The plate is formed as a fin body of a corrugated structure, the fin body has two first sides opposite in a first direction, two second sides opposite in a second direction, and crests on the second sides and a trough, and the first direction intersects the second direction, the fin body includes: a first recess formed in the fin body and located on at least one of the two first side surfaces of the fin body one; and a second recess formed in the fin main body and located on two second side surfaces of the fin main body, wherein the plurality of heat exchange tubes and the fins are adjacent to each other The second side surfaces of the fin main bodies are alternately arranged in a row to form a heat exchanger assembly, and the heat exchange tubes are located in the second recess.

According to an aspect of the present invention, on at least one of the two first side surfaces of the fin body, the first recess of the fin of the heat exchanger assembly is provided with another heat exchange tube.

According to an aspect of the present invention, the first recesses are located on the two first side surfaces of the fin body; and the multi-row heat exchanger assemblies are alternately arranged with other heat exchange tubes, and the other heat exchange tubes located in the first recess.

The manufacture of the fins and the heat exchanger according to the utility model is simpler, and the condensed water can be discharged more easily because the connecting part between the crests and troughs of the fins is approximately perpendicular to the heat exchange tubes.

Description of drawings

Fig. 1 is a schematic perspective view of a fin according to an embodiment of the present invention;

Fig. 2 is a schematic perspective view of a fin according to another embodiment of the present invention;

Fig. 3 is a schematic top view of a fin according to another embodiment of the present invention;

Fig. 4 is a schematic front view of a single-row heat exchanger according to an embodiment of the present invention;

Fig. 5 is a schematic perspective view of a single-row heat exchanger according to an embodiment of the present invention;

Fig. 6 is a schematic perspective view of a double-row heat exchanger according to an embodiment of the present invention;

Fig. 7 is a schematic perspective view of a three-row heat exchanger according to an embodiment of the present invention;

Fig. 8 is a schematic front view of a three-row heat exchanger according to an embodiment of the present invention;

Fig. 9 is a schematic perspective view of a multi-row heat exchanger according to an embodiment of the present invention;

Fig. 10 is a schematic front view of a multi-row heat exchanger according to an embodiment of the present invention;

Fig. 11 is a schematic front view of a multi-row heat exchanger according to another embodiment of the present invention;

Fig. 12 is a schematic perspective view of a single-row heat exchanger according to another embodiment of the present invention;

Fig. 13 is a schematic perspective view of a single-row heat exchanger according to yet another embodiment of the present invention;

Fig. 14 is a schematic perspective view of a double-row heat exchanger according to another embodiment of the present invention;

Fig. 15 is a schematic perspective view of a three-row heat exchanger according to another embodiment of the present invention;

Fig. 16 is a schematic perspective view of a multi-row heat exchanger according to another embodiment of the present invention;

Figure 17 is a schematic front view of a multi-row heat exchanger according to another embodiment of the present invention; and

Fig. 18 is a schematic perspective view of a single-row heat exchanger according to yet another embodiment of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figs. 1, 4, 5, 12, the fin 1 according to the embodiment of the present invention includes a fin body 10 formed of a plate into a corrugated structure, and the fin body has two second opposing sides in a first direction. One side 11, two opposite second sides 12 in the second direction, and peaks and troughs on the second side 12, and the first direction crosses the second direction, the fin body 10 includes: a first recess 13 , the first recess 13 is formed in the fin body 10 and is located on at least one of the two first side surfaces 11 of the fin body 10; and the second recess 14 is formed in the fin body 10. The fin body 10 is located on the two second side surfaces 12 of the fin body 10 .

According to another embodiment of the present invention, as shown in FIG. 1 , the fin 1 for a heat exchanger according to the embodiment of the present invention includes a fin body 10 formed by a plate into a wave structure, and the fin The main body 10 has two first sides 11 opposite in a first direction, two second sides 12 opposite in a second direction, and peaks and troughs on the second sides 12, and the first direction and the second direction cross. The fin body 10 includes: a first recess 13 formed in the fin body 10 and located on two first side surfaces 11 or one first side surface 11 of the fin body 10 . Referring to FIGS. 4 to 18 , the heat exchange tube 2 can be put into the first recess 13 from the side and can conduct heat transfer with the fin body 10 . The plate may be an aluminum plate or the like.

As shown in FIG. 1 , the fin body 10 may further include a second recess 14 formed in the fin body 10 and located on the two second side surfaces 12 of the fin body 10 at least one. Referring to FIGS. 4 to 18 , the heat exchange tube 2 can be put into the second recess 14 from the side and can conduct heat transfer with the fin body 10 . The first direction and the second direction may be substantially perpendicular or the first side 11 and the second side 12 may be substantially perpendicular.

The recess can be formed by flanging or by removing material, and the recess is designed to partially or mostly cover the outer periphery of the heat exchange tube.

Referring to FIGS. 2 and 3 , the part of the fin body 10 between the crests and troughs may have a wave shape or have windows, and of course, it may also be flat. As shown in FIG. 3 , the portion of the fin body 10 between the crests and troughs may have protrusions 16 . The corrugated structure or protrusions such as arc-shaped or rectangular-shaped protrusions increase the disturbance to the wind and improve the heat exchange efficiency of the fins. Depending on the arrangement of the fins and the direction of the wind, the openings and protrusions can be set roughly perpendicular to the direction of the wind, so as to increase the disturbance to the wind and further improve the heat transfer efficiency of the fins.

Referring to FIGS. 1-2 , the fin body 10 may include drain holes 15 formed at the crests and troughs through the edge portion of the plate, the drain holes 15 being formed at the second side 12 . Drain holes are used to make condensed water flow down smoothly, reduce wind resistance or reduce the weight of fins, etc.

Referring to Figures 1, 4, 5, and 12, the heat exchanger according to an embodiment of the present invention includes: a heat exchanger assembly, which includes: a heat exchange tube 2; and a fin 1, which includes A fin body 10 formed of a plate into a corrugated structure, the fin body 10 has two first side faces 11 opposite in a first direction, two second side faces 12 opposite in a second direction, and The crests and troughs of the two sides 12, and the first direction crosses the second direction, the fin body includes: a first recess 13, the first recess 13 is formed in the fin body 10, and is located in the fin body At least one of the two first sides 11 of 10; and a second recess 14, the second recess 14 is formed in the fin body 10 and is located on the two second sides 12 of the fin body 10, more The heat exchange tubes 2 and the fins 1 are alternately arranged in a row in such a way that the second side surfaces 12 of the fin main bodies 10 of the adjacent fins 1 are adjacent to each other to form a heat exchanger assembly, and the heat exchange tubes 2 are located at In the second recess 14 . Additional heat exchange tubes may be provided on at least one of the two first side surfaces 11 of the fin body 10 , the first recess 13 of the fin 1 of the heat exchanger assembly. According to some embodiments of the present invention, the first recesses 13 are located on the two first side surfaces 11 of the fin body 10; Further heat exchange tubes 2 are located in the first recess 11 .

In some embodiments of the present utility model, as shown in Figures 1, 4, 5, and 12, the heat exchanger according to the embodiment of the present utility model includes: a heat exchanger assembly, and the heat exchanger assembly includes: heat exchange tubes 2; and a fin 1 comprising a fin body 10 formed by a plate into a corrugated structure, the fin body 10 comprising: a first recess 13 formed in the fin body 10, And it is located on at least one of the two first side surfaces 11 of the fin body 10 . The fin body 10 further includes: a second recess 14 formed in the fin body 10 and located on two second side surfaces 12 of the fin body 10 . A plurality of heat exchange tubes 2 and fins are alternately arranged in a row in such a manner that the second side surfaces 12 of the fin main bodies 10 of adjacent fins are adjacent to form a heat exchanger assembly, and the heat exchange tubes 2 are located at the In the second recess 14. The heat exchanger may comprise an elbow 4 . The heat exchange tubes 2 can be ordinary round tubes connected by elbows 4 . The heat exchange tubes 2 are used to circulate the refrigerant, and the heat exchanger forms multiple circuits by setting different elbows or headers (as shown in FIG. 12 ). The heat exchange tube 2 is surrounded by the second concave portion 14 . When the heat exchanger is used as a single-row heat exchanger, as shown in Figures 4, 5, and 12, the unused recesses are partly cut away, which can effectively reduce the weight of the fins and reduce wind resistance.

As shown in FIG. 6 , another heat exchange tube 2 may be disposed in the first recess 13 of at least one of the two first side surfaces 11 . That is, the heat exchanger or heat exchanger assembly shown in Figs. 4, 5, and 12 can be added with a row of heat exchange tubes 2 to form a double-row heat exchanger. When both first sides 11 of the fin have first recesses 13 , heat exchange tubes 2 can be added to the first recesses 13 of the two first sides 11 to form a double-row or multi-row heat exchanger.

As shown in FIGS. 7 and 8 , the multi-row heat exchanger assemblies are alternately arranged with additional heat exchange tubes 2 , and the additional heat exchange tubes 2 are located in the second recess 14 . For example, an additional heat exchange tube 2 is provided between the heat exchangers or heat exchanger components shown in FIGS. 4 , 5 , and 12 , and the additional heat exchange tube 2 is located in the second recess 14 . That is, the heat exchanger or heat exchanger assembly shown in Figures 4, 5, and 12 can be added with two rows of heat exchange tubes and one row of fins to form a three-row heat exchanger. By analogy, multiple rows of heat exchangers can be formed.

As shown in Figures 9, 10, and 11, two single-row heat exchangers such as those shown in Figures 4 and 5 can be assembled to form a double-row or multi-row heat exchanger. As shown in FIGS. 9 and 10 , the multi-row heat exchanger may include elbows 4 . As shown in FIG. 11 , the multi-row heat exchanger may include headers 3 and separators 31 .

As shown in Figure 12, the heat exchanger includes a header 3 and a partition 31. The heat exchange tube 2 of the heat exchanger can be an ordinary round tube, and the heat exchange tube 2 is used for circulating refrigerant. The heater forms multiple circuits.

As shown in Figures 1 and 13, the heat exchanger according to the embodiment of the present invention includes: a heat exchanger assembly, which includes: a heat exchange tube 2; and a fin 1, which consists of a plate A fin body 10 formed in a corrugated structure, the fin body 10 has two first side surfaces 11 opposite in a first direction, two second side surfaces 12 opposite in a second direction, and 12 crests and troughs, and the first direction crosses the second direction, the fin body 10 includes: a first recess 13, the first recess 13 is formed in the fin body 10, and is located in the fin body 10 The two first sides 11 of the. A plurality of heat exchange tubes 2 and fins are alternately arranged in a row in such a way that the first side surfaces 11 of the fin main bodies 10 of adjacent fins are adjacent to form a heat exchanger assembly, and the heat exchange tubes 2 are located at the In the first recess 13 mentioned above.

According to the heat exchanger of the above embodiments of the present invention, since the first concave portion 13 is formed in the fin body 10 and located on the two first side surfaces 11 of the fin body 10, the manufacture is simpler, and Since the portion of the fin main body 10 between the fin crests and troughs or between the second side 12 is perpendicular to the heat exchange tube 2 such as a flat tube, it makes it easier for the condensed water to drain.

1, 13, 14, and 15, the fin body 10 may further include: a second recess 14, the second recess 14 is formed in the fin body 10, and is located on both sides of the fin body 10. At least one of the two second sides 12, at least one of the two second sides 12 of the fin body 10, the second recess 14 of the heat exchanger assembly is provided with another heat exchange tube 2.

According to another embodiment of the present utility model, another heat exchange tube 2 is provided between two rows of heat exchanger components, and the other heat exchange tube 2 is located in the second recess 14 .

According to another embodiment of the present utility model, as shown in FIGS. 1 and 13 , the fin body 10 further includes: a second recess 14 formed in the fin body 10 and located in the On the two second sides 12 of the fin body 10 , the multi-row heat exchanger assemblies are alternately arranged with additional heat exchange tubes 2 , and the additional heat exchange tubes 2 are located in the second recess 14 .

As shown in Figures 14 and 15, when the second side 12 is provided with a second recess 14, when used as a single-row heat exchanger, the unused second recess 14 is a cutout that can effectively reduce the weight of the fins. And can reduce wind resistance. In addition, when only one second side 12 has the second recess 14, a row of heat exchange tubes can be added to form a double-row heat exchanger, and when both second sides 12 have second recesses 14, two rows of heat exchange tubes can be added. Three rows of heat exchangers are formed, and by analogy, multiple rows of heat exchangers can be formed.

As shown in Figures 16 and 17, two single-row heat exchangers can be assembled to form a double-row or multi-row heat exchanger.

Referring to Fig. 1, 18, the heat exchanger according to the embodiment of the present utility model includes: a heat exchanger assembly, which includes: a heat exchange tube 2; and a fin 1, which includes a plate formed as The fin body 10 of corrugated structure, the fin body 10 has two first side faces 11 opposite in the first direction, two second side faces 12 opposite in the second direction, and the peaks and troughs, and the first direction intersects the second direction, the fin body 10 includes: a first recess 13, the first recess 13 is formed in the fin body 10, and is located on both sides of the fin body 10 At least one of the two first sides 11; a plurality of fins are alternately arranged in a row in such a way that the second sides 12 of the fin main bodies 10 of adjacent fins are adjacent, and the heat exchange tubes 2 are located on the two first sides. In the first recess 13 of at least one of the side surfaces 11 .

Referring to FIGS. 1 and 18 , the fin body 10 may further include: a second recess 14 formed in the fin body 10 and located in the two second side surfaces 12 of the fin body 10 at least one of the .

Referring to FIGS. 1 and 18 , according to some embodiments, the fin body 10 further includes: a second recess 14 formed in the fin body 10 and located on two second sides of the fin body 10 . In the two side surfaces 12 , another heat exchange tube 2 is provided in the second recess 14 of the fin main body 10 of the fin, so that the fin and the other heat exchange tube 2 are arranged alternately.

Referring to FIGS. 1 and 18 , the heat exchanger also includes an elbow 4 . When the heat exchanger is used as a single-row heat exchanger, the unused second recess 14 can effectively reduce the weight of the fins when the unused second recess 14 is a cutout; the second recess 14 between the fins avoids brazing sticking in the process. In addition, when the first recesses 13 are provided on the two first sides 11 , a row of heat exchange tubes 2 can be added to form a double-row heat exchanger, and fins 1 and heat exchange tubes 2 can be added to form a multi-row heat exchanger.

The heat exchanger according to the above-mentioned embodiment has lower contact thermal resistance, because the traditional copper tube-fin heat exchanger uses mechanical expansion to make the copper tube and the fin closely contact, compared with the embodiment according to the utility model In the case of fins and round tubes in the form of brazing, the contact thermal resistance is greater. Compared with the traditional copper tube fin heat exchanger, the heat exchanger of the embodiment of the present invention has lower material cost and lower heat exchanger weight. The heat exchanger structure of the utility model is suitable for the use of round tubes with various diameters; especially due to the limitation of mechanical tube expansion technology at the present stage, for the traditional small diameter copper tube fin heat exchanger, the utility model's heat exchanger Heater structure or design has more obvious advantages for small tube diameters. In addition, according to different application backgrounds, the structure of the heat exchanger of the present invention can flexibly set the number of loops and rows of heat exchange tubes.

It should be noted that some or all of the technical features of the above embodiments can be combined with each other to form a new embodiment.

Claims (20)

1. A fin for a heat exchanger, characterized in that the fin comprises a fin body formed of a plate into a corrugated structure, the fin body having two first side faces opposite in a first direction , the two second sides opposite in the second direction, and the peaks and troughs on the second sides, and the first direction intersects the second direction, The fin body includes: a first recess formed in the fin body and located on two first side surfaces of the fin body. 2. The fin for heat exchanger according to claim 1, characterized in that The heat exchange tube can be put into the first recess from the side and can conduct heat transfer with the fin main body. 3. The fin for heat exchanger according to claim 1, characterized in that The fin body further includes: a second recess formed in the fin body and located on at least one of two second side surfaces of the fin body. 4. The fin for heat exchanger according to claim 3, characterized in that The heat exchange tube can be put into the second recess from the side and can conduct heat transfer with the fin main body. 5. A fin for a heat exchanger according to any one of claims 1 to 4, characterized in that The portion of the fin body between the crests and troughs has a wave shape or has a window. 6. A fin for a heat exchanger according to any one of claims 1 to 4, characterized in that The portion of the fin body between the crests and troughs has protrusions. 7. A fin for a heat exchanger according to any one of claims 1 to 4, characterized in that The fin body includes drainage holes formed through the edge portion of the plate at the crests and troughs, the drainage holes being formed on the second side. 8. A fin for a heat exchanger according to any one of claims 1 to 4, characterized in that The first direction is substantially perpendicular to the second direction or the first side is substantially perpendicular to the second side. 9. A heat exchanger, characterized in that it comprises: A heat exchanger assembly comprising: heat exchange tubes; and a fin comprising a fin body formed of a plate into a corrugated structure, the fin body having two first sides opposite in a first direction, two second sides opposite in a second direction, and crests and troughs on the second side, and the first direction intersects the second direction, the fin body includes: a first recess formed in the fin body and located at the two first sides; A plurality of heat exchange tubes and fins are alternately arranged in a row in such a way that the first side surfaces of the fin bodies of adjacent fins are adjacent to each other to form a heat exchanger assembly, and the heat exchange tubes are located on the first side of the fin body. in the recess. 10. The heat exchanger according to claim 9, characterized in that The fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body, On at least one of the two second side surfaces of the fin body, the second recess of the fin of the heat exchanger assembly is provided with another heat exchange tube. 11. The heat exchanger according to claim 9, characterized in that The fin body further includes: a second recess formed in the fin body and located on at least one of the two second side surfaces of the fin body, Additional heat exchange tubes are provided between the two rows of heat exchanger assemblies, and the additional heat exchange tubes are located in the second recess. 12. The heat exchanger according to claim 9, characterized in that The fin body further includes: a second recess formed in the fin body and located on two second side surfaces of the fin body, The multiple rows of heat exchanger assemblies are alternately arranged with additional heat exchange tubes, and the additional heat exchange tubes are located in the second recess. 13. A heat exchanger, characterized in that it comprises: A heat exchanger assembly comprising: heat exchange tubes; and a fin comprising a fin body formed of a plate into a corrugated structure, the fin body having two first sides opposite in a first direction, two second sides opposite in a second direction, and crests and troughs on the second side, and the first direction intersects the second direction, the fin body includes: a first recess formed in the fin body and located at the at least one of the two first sides; wherein a plurality of fins are alternately arranged in a row in such a manner that the second sides of the fin bodies of adjacent fins are adjacent to each other, and the heat exchange tube is located in the first recess of at least one of the two first sides . 14. The heat exchanger according to claim 13, characterized in that The fin body further includes: a second recess formed in the fin body and located on at least one of two second side surfaces of the fin body. 15. The heat exchanger according to claim 13, characterized in that The fin body further includes: a second recess formed in the fin body and located on two second side surfaces of the fin body, Another heat exchange tube is arranged in the second recess of the fin body of the fin, so that the fins and the other heat exchange tube are alternately arranged. 16. The heat exchanger according to claim 13, characterized in that The heat exchange tube can be put into the first recess from the side and can conduct heat transfer with the fin main body. 17. The heat exchanger according to claim 14 or 15, characterized in that Another heat exchange tube can be put into the second recess from the side and can conduct heat transfer with the fin main body. 18. A fin for a heat exchanger, characterized in that the fin comprises a fin body formed of a plate into a corrugated structure, said fin body having two first side faces opposite in a first direction , the two second sides opposite in the second direction, and the peaks and troughs on the second sides, and the first direction intersects the second direction, The fin body includes: a first recess formed in the fin body and located on at least one of two first side surfaces of the fin body; and A second concave portion is formed in the fin body and located on two second side surfaces of the fin body. 19. A heat exchanger, characterized in that it comprises: A heat exchanger assembly comprising: heat exchange tubes; and a fin comprising a fin body formed of a plate into a corrugated structure, the fin body having two first sides opposite in a first direction, two second sides opposite in a second direction, and peaks and troughs on the second side, and the first direction intersects the second direction, The fin body includes: a first recess formed in the fin body and located on at least one of two first side surfaces of the fin body; and a second recess formed in the fin body and located on two second side surfaces of the fin body, A plurality of heat exchange tubes and fins are alternately arranged in a row in such a manner that the second sides of the fin main bodies of adjacent fins are adjacent to each other to form a heat exchanger assembly, and the heat exchange tubes are located on the second side of the fin body. in the recess. 20. The heat exchanger according to claim 19, characterized in that The first recesses are located on both first side surfaces of the fin body; and The multiple rows of heat exchanger assemblies are alternately arranged with additional heat exchange tubes, and the additional heat exchange tubes are located in the first recess.