WO2018120944A1

WO2018120944A1 - Fin assembly for use in heat exchanger and heat exchanger having same

Info

Publication number: WO2018120944A1
Application number: PCT/CN2017/103688
Authority: WO
Inventors: 陆向迅; 李艳
Original assignee: 丹佛斯微通道换热器（嘉兴）有限公司
Priority date: 2016-12-29
Filing date: 2017-09-27
Publication date: 2018-07-05
Also published as: CN108253833A; CN108253833B

Abstract

A fin assembly (1) for use in a heat exchanger and the heat exchanger having same. The fin assembly (1) comprises: a plurality of main fins (10), each main fin (10) being provided with a main fin body (11) formed by a plate in a waveform structure, and each main fin body (11) being provided with a top (111') for defining a wave peak (111), a bottom (112') for defining a wave trough (112), and an intermediate part (113) extending between the top (111') and the bottom (112'); and connecting fins (20) provided between two adjacent main fins (10) and used for connecting the two adjacent main fins (10), wherein the main fins (10) and the connecting fins (20) are arranged in the width direction of the fin assembly (1), and have different shapes. By means of the fin assembly (1), the heat exchange performance of the heat exchanger can be improved.

Description

Fin assembly for heat exchanger and heat exchanger having the same

Cross-reference to related applications

The present application claims the benefit of the Chinese Patent Application No. 201611251000.4, filed on Dec. 29, 2016, the entire disclosure of which is hereby incorporated by reference.

Technical field

Embodiments of the present invention relate to a fin assembly for a heat exchanger and a heat exchanger having the fin assembly.

Background technique

A heat exchanger such as a microchannel heat exchanger includes a fin assembly and a heat exchange tube, and the heat exchange tube may be a flat tube.

Summary of the invention

It is an object of the present disclosure to provide a fin assembly for a heat exchanger and a heat exchanger having the fin assembly, thereby, for example, improving the heat exchange performance of the heat exchanger.

According to an embodiment of the present invention, there is provided a fin assembly for a heat exchanger, the fin assembly comprising: a plurality of main fins, each main fin having a main fin body formed of a corrugated structure from a plate Each main fin body has a top defining a peak, a bottom defining a trough, and an intermediate portion extending between the top and the bottom; and a connecting fin disposed between the two adjacent main fins For connecting two adjacent main fins, wherein the main fins and the connecting fins are arranged in the width direction of the fin assembly, and the main fins and the connecting fins have different shapes.

According to an embodiment of the present invention, the main fin and the connecting fin have different shapes when viewed in the width direction of the fin assembly; or the imaginary plane is at least at least one of the connecting fin and the two adjacent main fins Between one and the length direction and the height direction of the fin assembly, the projection of the side of the connecting fin on the side close to the imaginary plane on the imaginary plane and the side of the side of the main fin at least one side close to the imaginary plane are Projection on imaginary plane Has a different shape.

According to an embodiment of the invention, the connecting fin has a connecting fin body formed of a corrugated structure, the at least one connecting fin body having a top defining a peak, a bottom defining a trough, and an intermediate portion extending between the top and the bottom .

According to an embodiment of the invention, the connecting section of the connecting fin is connected to the connected section of at least one of the two adjacent main fins, and the connecting section of the connecting fin is viewed when viewed in the width direction of the fin assembly The connected segments of at least one of the two adjacent main fins substantially coincide with each other.

According to an embodiment of the invention, a portion between a portion between adjacent connecting segments connecting the fins and a corresponding adjacent connected segment of at least one of the two adjacent main fins is in the fin assembly The length is expanded in the length direction and the length is equal.

According to an embodiment of the invention, the number of peaks or troughs of one side of the at least one connecting fin in the height direction of the fin assembly is greater than the height of the fin assembly of at least one of the two adjacent main fins The number of peaks or troughs on one side of the direction.

According to an embodiment of the present invention, at least one of at least one pair of adjacent main fins has a pitch of adjacent peaks or troughs on one side in a height direction of the fin assembly and a wing of the connecting fin The ratio of the spacing of adjacent peaks or troughs on one side of the sheet assembly in the height direction is a natural number greater than or equal to two.

According to an embodiment of the present invention, the intermediate portion of the main fin has a substantially linear shape when viewed in the width direction of the fin assembly, and the intermediate portion of the connecting fin has a substantially linear shape when viewed in the width direction of the fin assembly. a shape in which at least the intermediate portion of the connected main fin and the intermediate portion of the connecting fin are equal in angle with respect to the height direction of the fin assembly such that the intermediate portion of the main fin and the intermediate portion of the connecting fin are connected fins The middle portion is connected over the entire length.

According to an embodiment of the present invention, the intermediate portion of the main fin has a substantially linear shape when viewed in the width direction of the fin assembly, and the intermediate portion of the connecting fin has a substantially linear shape when viewed in the width direction of the fin assembly. Shape, the angle between the first intermediate portion and the second intermediate portion of the two intermediate portions connected to the top or bottom of the main fin in the longitudinal direction of the fin assembly with respect to the height direction of the fin assembly Two of the two intermediate portions connected to the top or bottom of the connecting fin, respectively, in the length direction of the fin assembly An angle between the first intermediate portion and the second intermediate portion of the side with respect to the height direction of the fin assembly.

According to an embodiment of the invention, the top or bottom of the main fin has substantially the same shape as the top or bottom of the connecting fin.

According to an embodiment of the present invention, the height of the connecting fin in the height direction of the fin assembly is smaller than the height of the main fin in the height direction of the fin assembly, and the connecting fin is disposed at the top of the main fin main body and Between the bottom.

According to an embodiment of the invention, one of the at least one pair of adjacent connecting segments of the connecting fins is connected to the connected segment of one of the two adjacent main fins, and the two adjacent ones of the connecting fins are connected The other of the connecting segments is coupled to the connected segment of the other of the at least one pair of adjacent main fins.

According to an embodiment of the invention, the top or bottom of one side of the connecting fin in the height direction of the fin assembly and the intermediate portion connected to the top or bottom constitute a connecting section, in two adjacent main fins At least one of the top or bottom of one side in the height direction of the fin assembly and a portion of the intermediate portion connected to the top or bottom constitute a connected section.

According to an embodiment of the present invention, the bottom of one of the two connecting fins adjacent in the width direction of the fin assembly and the intermediate portion connected to the bottom and the bottom of the two adjacent main fins and The middle portions of the bottom connection are connected, and the top of the other of the two connection fins adjacent in the width direction of the fin assembly and the intermediate portion connected to the top portion and the top portion of the two adjacent main fins Connected to the intermediate portion of the top connection.

According to an embodiment of the invention, at least some of the intermediate portions of the at least one connecting fin constitute an at least partially connecting section, a portion of at least some of the intermediate portions of at least one of the two adjacent main fins forming an at least partially connected section.

According to an embodiment of the invention, at least some of the first intermediate portions of one side of the intermediate portion of the fin assembly connected to the top or bottom of the connecting fin constitute an at least partial connecting portion.

According to an embodiment of the present invention, one of the intermediate portions connected in the longitudinal direction of the fin assembly in the intermediate portion to which the top or the bottom of one of the at least two connecting fins adjacent in the width direction of the fin assembly is connected At least some of the first intermediate portions constitute at least a portion of the connecting segments, and the fins in the intermediate portion connected to the top or bottom of the other of the at least two connecting fins adjacent in the width direction of the fin assembly Another length of the component At least some of the second intermediate portions of the sides constitute at least a portion of the connecting segments.

According to an embodiment of the present invention, one of the two intermediate portions connected to at least one top or bottom of the main fin between the two connecting fins adjacent in the width direction of the fin assembly and the adjacent two The connecting segments of one of the connecting fins are connected, and the other of the two intermediate portions connected to at least one of the top or bottom of the main fin between the two connecting fins adjacent in the width direction of the fin assembly One is connected to the connecting section of the other of the two adjacent connecting fins.

According to an embodiment of the present invention, the height of the connecting fin in the height direction of the fin assembly is smaller than the height of the main fin in the height direction of the fin assembly, and the connecting fin is disposed at the top of the main fin main body and Between the bottoms, the position of the connecting fins in the height direction of the main fins is set such that at least some of the intermediate portions of the connecting fins are substantially projected into the plane defined by the longitudinal direction and the height direction of the fin assembly. At least some intermediate portions of at least one of the adjacent main fins are in an orthographic projection on a plane defined by a length direction and a height direction of the fin assembly, and at least some intermediate portions and two phases of the connecting fins The at least some intermediate portions of at least one of the adjacent main fins are joined.

According to an embodiment of the present invention, the height of the connecting fin in the height direction of the fin assembly is smaller than the height of the main fin in the height direction of the fin assembly, and the connecting fin is disposed at the top of the main fin main body and Between the bottoms, the position of the connecting fins in the height direction of the main fins is set such that at least some intermediate portions of at least some intermediate portions of the connecting fins and at least one of the two adjacent main fins are connected At least some of the intermediate portions of the sheets are joined over the entire length.

According to an embodiment of the invention, the spacing of adjacent peaks or troughs on one side of the two adjacent main fins in the height direction of the fin assembly and the fins of the connecting fins The ratio of the spacing of adjacent peaks or troughs on one side of the height direction of the component is a natural number greater than or equal to two.

According to an embodiment of the invention, the connecting fins are continuous or have a break point.

According to an embodiment of the present invention, the peaks or troughs of one side of the two adjacent main fins in the height direction of the fin assembly are shifted by a predetermined distance in the longitudinal direction of the fin assembly, and two adjacent main fins The spacing of adjacent peaks or troughs on one side of the fin assembly in the height direction of each of the fins and the height direction of the connecting fins in the fin assembly The spacing of adjacent peaks or troughs on one side is substantially equal, and the intermediate portions of two adjacent main fins have intersections when viewed in the width direction of the fin assembly, and the fins are attached to the fin assembly. The height in the height direction is substantially the same as the height of the main fin in the height direction of the fin assembly, and the connecting fin has a breaking point, and the breaking point and the intersection point are located at different positions in the height direction of the fin assembly. And the portion of the connecting fin between the breaking point and the intersection point when viewed in the width direction of the fin assembly is substantially bent at a crossing point to form a bent portion, and the fin assembly of the connecting fin One side having a bent portion in the width direction is connected to one of two adjacent main fins by a bent portion, and the other side passes through a portion other than the bent portion and two adjacent main portions Another connection in the fin.

According to an embodiment of the invention, the breaking point is located at the top or bottom of one side of the connecting fin in the height direction of the fin assembly.

According to an embodiment of the present invention, the peaks or troughs of one side of the two adjacent main fins in the height direction of the fin assembly are shifted by a predetermined distance in the longitudinal direction of the fin assembly.

According to an embodiment of the invention, a peak of one of two adjacent main fins in a height direction of the fin assembly and a fin assembly of the other of the two adjacent main fins The troughs on the other side in the height direction are located substantially at the same position in the longitudinal direction of the fin assembly.

According to an embodiment of the invention, the peaks or troughs of one side of the two adjacent main fins of the fin assembly in the height direction of the fin assembly are staggered by a predetermined distance, and two adjacent mains of the fin assembly One of the fins of the one of the fins in the height direction of the fin assembly and the other of the two adjacent main fins of the fin assembly in the height direction of the fin assembly The valleys or peaks on the side are staggered by a predetermined distance.

According to an embodiment of the invention, the fin assembly is unitary.

According to an embodiment of the invention, the fin assembly is formed from a single sheet.

According to an embodiment of the invention, the connecting fin comprises a plurality of repeating units of the same structure, the repeating unit comprising a corrugated portion and a connecting portion connected to the corrugated portion.

According to an embodiment of the invention, the undulating portion has a top defining a peak, a bottom defining a trough, and an intermediate portion extending between the top and the bottom.

According to an embodiment of the present invention, the intermediate portion of the wavy portion has a substantially linear shape when viewed in the width direction of the fin assembly, and at least the intermediate portion of the connected main fins The intermediate portions of the connecting fins are equal in angle with respect to the height direction of the fin assembly such that the intermediate portion of the main fin and the intermediate portion of the connecting fin are connected over the entire length of the intermediate portion of the connecting fin.

According to an embodiment of the invention, the connecting portion connects adjacent wavy portions.

According to an embodiment of the invention, the connecting portion is a substantially linear portion.

According to an embodiment of the invention, the undulating portion of the repeating unit comprises a first portion intermediate portion and a second portion intermediate portion, the first portion intermediate portion being the first outermost top or bottom portion of the undulating portion in the length direction of the fin assembly The length of the extension is smaller than the section of the intermediate portion, and the intermediate portion of the second portion is less than the length from the top or bottom of the second outermost portion of the undulating portion opposite to the first outermost side in the longitudinal direction of the fin assembly. A segment of the portion, the connecting portion being coupled to one of the first portion intermediate portion and the second portion intermediate portion, and to the other of the first portion intermediate portion and the second portion intermediate portion of the adjacent repeating unit.

According to an embodiment of the present invention, at least one of the intermediate portion of the connected main fins and the intermediate portion of the first portion and the second portion of the connecting fin are equal in angle with respect to the height direction of the fin assembly, such that the main fin The intermediate portion of the intermediate portion of the sheet and the intermediate portion of the first portion and the intermediate portion of the second portion of the connecting fin are joined over the entire length of a portion of the intermediate portion of the connecting fin.

According to an embodiment of the present invention, there is provided a heat exchanger comprising: a heat exchange tube; and the above-described fin assembly disposed between the heat exchange tubes.

The fin assembly and heat exchanger according to the present invention can, for example, improve the heat exchange performance of the heat exchanger.

DRAWINGS

Figure 1 is a schematic plan view of a fin assembly in accordance with a first embodiment of the present invention;

Figure 2 is a schematic perspective view of a fin assembly in accordance with a first embodiment of the present invention;

Figure 3 is a schematic front view of a fin assembly in accordance with a first embodiment of the present invention;

Figure 4 is a schematic side view of a fin assembly in accordance with a first embodiment of the present invention;

Figure 5 is a schematic perspective view of a heat exchanger according to a first embodiment of the present invention;

Figure 6 is a schematic front view of a heat exchanger according to a first embodiment of the present invention;

Figure 7 is a schematic side view of a heat exchanger according to a first embodiment of the present invention;

Figure 8 is a schematic plan view of a fin assembly in accordance with a second embodiment of the present invention;

Figure 9 is a schematic perspective view of a fin assembly in accordance with a second embodiment of the present invention;

Figure 10 is a schematic front view of a fin assembly in accordance with a second embodiment of the present invention;

Figure 11 is a schematic side view of a fin assembly in accordance with a second embodiment of the present invention;

Figure 12 is a schematic plan view of a fin assembly in accordance with a third embodiment of the present invention;

Figure 13 is a schematic perspective view of a fin assembly in accordance with a third embodiment of the present invention;

Figure 14 is a schematic front view of a fin assembly in accordance with a third embodiment of the present invention;

Figure 15 is a schematic side view of a fin assembly in accordance with a third embodiment of the present invention;

Figure 16 is a schematic plan view of a fin assembly in accordance with a fourth embodiment of the present invention;

Figure 17 is a schematic perspective view of a fin assembly in accordance with a fourth embodiment of the present invention;

Figure 18 is a schematic front view of a fin assembly in accordance with a fourth embodiment of the present invention;

Figure 19 is a schematic side view of a fin assembly in accordance with a fourth embodiment of the present invention;

Figure 20 is a schematic plan view of a fin assembly in accordance with a fifth embodiment of the present invention;

Figure 21 is a schematic perspective view of a fin assembly in accordance with a fifth embodiment of the present invention;

Figure 22 is a schematic front view of a fin assembly in accordance with a fifth embodiment of the present invention;

Figure 23 is a schematic side view of a fin assembly in accordance with a fifth embodiment of the present invention;

Figure 24 is a schematic plan view of a fin assembly in accordance with a sixth embodiment of the present invention;

Figure 25 is a schematic perspective view of a fin assembly in accordance with a sixth embodiment of the present invention;

Figure 26 is a schematic front view of a fin assembly in accordance with a sixth embodiment of the present invention;

Figure 27 is a schematic side view of a fin assembly in accordance with a sixth embodiment of the present invention;

Figure 28 is a schematic plan view of a fin assembly in accordance with a seventh embodiment of the present invention;

Figure 29 is a schematic perspective view of a fin assembly in accordance with a seventh embodiment of the present invention;

Figure 30 is a schematic front view of a fin assembly in accordance with a seventh embodiment of the present invention;

Figure 31 is a schematic side view of a fin assembly in accordance with a seventh embodiment of the present invention;

Figure 32 is a schematic perspective view of a fin assembly in accordance with an eighth embodiment of the present invention;

Figure 33 is a schematic plan view of a fin assembly in accordance with a ninth embodiment of the present invention;

Figure 34 is a schematic perspective view of a fin assembly in accordance with a ninth embodiment of the present invention;

Figure 35 is a schematic front view of a fin assembly in accordance with a ninth embodiment of the present invention;

Figure 36 is a schematic side view of a fin assembly in accordance with a ninth embodiment of the present invention;

Figure 37 is a schematic plan view of a fin assembly in accordance with a tenth embodiment of the present invention;

Figure 38 is a schematic perspective view of a fin assembly in accordance with a tenth embodiment of the present invention;

Figure 39 is a schematic front view of a fin assembly in accordance with a tenth embodiment of the present invention;

Figure 40 is a schematic side view of a fin assembly in accordance with a tenth embodiment of the present invention;

Figure 41 is a schematic perspective view of a fin assembly in accordance with an eleventh embodiment of the present invention;

Figure 42 is a schematic plan view of a fin assembly in accordance with an eleventh embodiment of the present invention;

Figure 43 is a schematic front view of a fin assembly in accordance with an eleventh embodiment of the present invention;

Figure 44 is a schematic side view of a fin assembly in accordance with an eleventh embodiment of the present invention;

Figure 45 is a schematic plan view of a fin assembly in accordance with a twelfth embodiment of the present invention;

Figure 46 is a schematic perspective view of a fin assembly in accordance with a twelfth embodiment of the present invention;

Figure 47 is a schematic front view of a fin assembly in accordance with a twelfth embodiment of the present invention;

Figure 48 is a schematic side view of a fin assembly in accordance with a twelfth embodiment of the present invention.

detailed description

The invention will be further described below in conjunction with the drawings and specific embodiments.

Referring to FIGS. 5 to 7, a heat exchanger according to an embodiment of the present invention includes: a heat exchange tube 3 such as a flat tube; and a fin assembly 1 disposed between the heat exchange tubes 3.

Referring to FIGS. 1 through 44, a fin assembly 1 for a heat exchanger according to an embodiment of the present invention includes a plurality of main fins 10 each having a main fin main body formed of a corrugated structure from a plate. 11. Each of the main fin main bodies 11 has a top portion 111' defining a crest 111, a bottom portion 112' defining a trough 112, and an intermediate portion 113 extending between the top portion 111' and the bottom portion 112'; and a connecting fin 20, the connection The fins 20 are disposed between two adjacent main fins 10 for connecting two adjacent main fins 10, and the main fins 10 and the connecting fins 20 are arranged in the width direction W of the fin assembly 1. And the main fin 10 and the connecting fin 20 have different shapes. The fin assembly 1 may be integral, for example, the fin assembly 1 is formed from a single sheet or a plate (for example, an aluminum plate). The board is usually rolled into a roll of aluminum foil which is gradually unrolled during processing. Therefore, the main fins 10 and the connecting fins 20 are unfolded on the same plane, or have the same length. The height of the main fins 10 may be approximately equal to the spacing between the heat exchange tubes 3 such as flat tubes. The main fin 10 is used to connect to the heat exchange tube 3. The height of the connecting fins 20 is less than or equal to the height of the main fins 10. The main fin 10 and the connecting fin 20 may be a length of the main fin and a length of the connecting fin in the longitudinal direction L of the fin assembly 1, or may be the entire main fin in the longitudinal direction L of the fin assembly 1. And the entire connecting fins.

Referring to FIGS. 1 to 44, in the embodiment of the present invention, the main fin 10 and the connecting fin 20 have different shapes when viewed in the width direction W of the fin assembly 1, or an imaginary plane is provided in the connecting fin 20. Between at least one of the two adjacent main fins 10 and defined by the longitudinal direction L and the height direction H of the fin assembly 1, the side of the connecting fin 20 close to one side of the imaginary plane (connecting the fins 20 The projection on the imaginary plane when viewed in the width direction W of the fin assembly 1 and the side of the side of the main fin 10 that is close to the imaginary plane (the fin of the main fin 10) The projections on the imaginary plane of the side of the component 1 viewed in the width direction W have different shapes. Referring to FIGS. 1 through 44, in an embodiment of the present invention, the connecting fin 20 has a connecting fin main body 21 formed of a corrugated structure, at least one connecting fin main body 21 having a top portion 211' defining a peak 211, defining a trough A bottom portion 212' of 212 and an intermediate portion 213 extending between the top portion 211' and the bottom portion 212'.

Referring to FIGS. 1 through 44, in an embodiment of the present invention, the connecting section of the connecting fin 20 is connected to the connected section of at least one of the two adjacent main fins 10, at the width of the fin assembly 1. The connecting section of the connecting fin 20 when viewed in the direction W and the connected section of at least one of the two adjacent main fins 10 substantially coincide with each other.

Referring to FIGS. 1 through 44, in an embodiment of the invention, the fin assembly 1 is formed from a single sheet and connects at least one of the connecting segments of the fins 20 and the two adjacent main fins 10. The connected segments remain connected, and the connecting fins 20 are separated from the remaining portions by at least one of the two adjacent main fins 10. In an embodiment of the invention, the portion between the adjacent connecting segments of the connecting fins 20 and the corresponding adjacent connected segments of at least one of the two adjacent main fins 10 is The fin assembly 1 has the same length after being expanded in the longitudinal direction L.

Referring to FIGS. 1 to 23 and FIGS. 28 to 44, in the embodiment of the present invention, the number of peaks 211 or troughs 212 of one side of the at least one connecting fin 20 on the side in the height direction H of the fin assembly 1 is greater than two. Fin assembly of at least one of adjacent main fins 10 The number of peaks 111 or troughs 112 on one side in the height direction H of 1. For example, a pitch of adjacent peaks 111 or troughs 112 on one side of at least one of the pair of adjacent main fins 10 in the height direction H of the fin assembly 1 is opposite to that of the connecting fins 20 The ratio of the pitches of adjacent peaks 211 or troughs 212 on one side in the height direction H of the fin assembly 1 is a natural number greater than or equal to 2.

Referring to FIGS. 1 to 23 and FIGS. 28 to 44, in the embodiment of the present invention, the intermediate portion 113 of the main fin 10 has a substantially linear shape when viewed in the width direction W of the fin assembly 1, and the connecting fins 20 are attached. The intermediate portion 213 has a substantially linear shape when viewed in the width direction W of the fin assembly 1, and at least the intermediate portion 113 of the main fin 10 and the intermediate portion 213 of the connecting fin 20 are opposed to the fin assembly 1 The height direction H is equal in angle such that the intermediate portion 113 of the main fin 10 and the intermediate portion 213 of the connecting fin 20 are connected over the entire length of the intermediate portion 213 of the connecting fin 20.

Referring to FIGS. 1 to 23 and FIGS. 28 to 44, in the embodiment of the present invention, the intermediate portion 113 of the main fin 10 has a substantially linear shape when viewed in the width direction W of the fin assembly 1, and the connecting fins 20 are attached. The intermediate portion 213 has a substantially linear shape when viewed in the width direction W of the fin assembly 1, and the two intermediate portions 113 connected to the top portion 111' or the bottom portion 112' of the main fin 10 are in the fin assembly 1. The angle between the first intermediate portion 113 and the second intermediate portion 113 on both sides in the longitudinal direction L with respect to the height direction H of the fin assembly 1 is substantially equal to the connection with the top 211' or the bottom portion 212' of the connecting fin 20, respectively. An angle between the first intermediate portion 213 and the second intermediate portion 213 of the two intermediate portions 213 on both sides in the longitudinal direction L of the fin assembly 1 with respect to the height direction H of the fin assembly 1.

According to an example of the present invention, referring to FIGS. 1 to 23, 28 to 44, in the embodiment of the present invention, the height of the connecting fins 20 in the height direction H of the fin assembly 1 is smaller than that of the main fins 10 in the fins. The height in the height direction H of the assembly 1, and the connecting fins 20 are disposed between the top portion 111' and the bottom portion 112' of the main fin main body 11, and the connecting fins 20 are provided in the height direction H of the main fins 10 Position such that an orthographic projection of at least some intermediate portions 213 of the connecting fins 20 in a plane defined by the longitudinal direction L and the height direction H of the fin assembly 1 substantially falls into at least one of the two adjacent main fins 10 At least some of the intermediate portions 113 are in an orthographic projection on a plane defined by the longitudinal direction L and the height direction H of the fin assembly 1, and the at least some intermediate portions 213 of the connecting fins 20 are adjacent to two adjacent mains The at least some intermediate portions 113 of at least one of the fins 10 are connected. The entire edge of the at least some intermediate portions 213 of the connecting fins 20 is connected to the at least some intermediate portions 113 of two adjacent main fins 10, or the at least some intermediate portions 213 of the connecting fins 20 are in the middle The portion 213 is connected to the at least some intermediate portions 113 of two adjacent main fins 10 over the entire length. According to further embodiments of the present invention, referring to FIGS. 1 to 23, 28 to 44, the height of the connecting fins 20 in the height direction H of the fin assembly 1 is smaller than the height direction of the main fins 10 in the fin assembly 1. The height on H, and the connecting fin 20 is disposed between the 111' and the bottom 112' of the main fin main body 11, and the position of the connecting fin 20 in the height direction H of the main fin 1 is set so that the connecting fin is connected At least some intermediate portions 213 of at least some intermediate portions 213 of at least one of the two adjacent main fins 10 are joined over the entire length of at least some intermediate portions 213 of the connecting fins 20. For example, the pitch of the adjacent crests 111 or troughs 112 on one side of the two adjacent main fins 10 in the height direction H of the fin assembly 1 and the fins of the connecting fins 20 The ratio of the pitch of adjacent peaks 211 or troughs 212 on one side in the height direction H of the sheet assembly 1 is a natural number greater than or equal to 2.

Referring to FIGS. 1 through 44, in the embodiment of the present invention, the top or bottom of the main fin 10 has substantially the same shape as the top or bottom of the connecting fin 20.

Referring to FIGS. 1 to 23 and FIGS. 28 to 44, in the embodiment of the present invention, the height of the connecting fins 20 in the height direction H of the fin assembly 1 is smaller than the height direction of the main fins 10 in the fin assembly 1. The height on H, and the connecting fin 20 is disposed between the top portion 111' and the bottom portion 112' of the main fin main body 11.

Referring to FIGS. 1 through 15, 20 to 44, in an embodiment of the present invention, one of at least one pair of adjacent connecting segments of the connecting fins 20 is connected to one of two adjacent main fins 10 The segments are connected, and the other of the at least one pair of adjacent connecting segments of the connecting fins 20 is connected to the connected segment of the other of the two adjacent main fins 10.

Referring to FIGS. 1 to 7, 20 to 44, in the embodiment of the present invention, the top portion 211' or the bottom portion 212' of the connecting fin 20 on one side in the height direction H of the fin assembly 1 and the top portion 211' Or the intermediate portion 213 connected to the bottom portion 212' constitutes a connecting portion, the top portion 111' or the bottom portion 112' of the side of the at least one of the two adjacent main fins 10 in the height direction H of the fin assembly 1 and Part of the intermediate portion 113 to which the top portion 111' or the bottom portion 112' is connected Connected to the segment. Referring to Figs. 37 to 40, in this case, the top portion 211' or the bottom portion 212' of the side of the connecting fin 20 in the height direction H of the fin assembly 1 is connected to the top portion 211' or the bottom portion 212'. The intermediate portion 213 and the top portion 111' or the bottom portion 112' of the main fin 10 on one side in the height direction H of the fin assembly 1 and a portion of the intermediate portion 113 connected to the top portion 111' or the bottom portion 112' are formed. A wider top or bottom and a middle portion, such as a curved plate, where a large passage can be formed on the windward side to prevent clogging of the passage and delay defrosting.

Referring to FIGS. 1 to 7, 20 to 23, 28 to 44, in the embodiment of the present invention, the bottom portion 212' of one of the two connecting fins 20 adjacent in the width direction W of the fin assembly 1 and The intermediate portion 213 to which the bottom portion 212' is joined is connected to the bottom portion 112' of the two adjacent main fins 10 and the intermediate portion 113 connected to the bottom portion 112', and is adjacent in the width direction W of the fin assembly 1. The top portion 211' of the other of the two connecting fins 20 and the intermediate portion 213 connected to the top portion 211' and the top portion 111' of the two adjacent main fins 10 and the intermediate portion 113 connected to the top portion 111' connection.

Referring to Figures 8 through 19, in an embodiment of the invention, at least some of the intermediate portions 213 of the at least one connecting fin 20 constitute at least a portion of the connecting portion, at least some of the intermediate portions of at least one of the two adjacent main fins 10 A portion of 113 constitutes at least a portion of the connected segment. For example, in this case, the top portion 211' and the bottom portion 212' of the connecting fin 20 may not constitute a part of the connecting portion.

Referring to FIGS. 8 to 11, in the embodiment of the present invention, at least some of the side of the intermediate portion 213 connected to the top portion 211' or the bottom portion 212' of the connecting fin 20 in the longitudinal direction L of the fin assembly 1 An intermediate portion 213 forms at least a portion of the connecting section.

Referring to FIGS. 8 to 11, in the embodiment of the present invention, the intermediate portion to which the top 211' or the bottom portion 212' of one of the at least two connecting fins 20 adjacent in the width direction W of the fin assembly 1 is connected is connected. At least some of the first intermediate portions 213 on one side in the longitudinal direction L of the fin assembly 1 in 213 constitute at least a partial connecting portion, and the at least two connections adjacent in the width direction W of the fin assembly 1 At least some of the second intermediate portions 213 of the other side of the intermediate portion 213 of the other of the fins 20 connected to the top portion 211' or the bottom portion 212' of the fins 20 in the longitudinal direction L of the fin assembly 1 constitute at least a portion of the connecting portion . For example, to the main fin 10 between the two connecting fins 20 adjacent in the width direction W of the fin assembly 1 One of the two intermediate portions 113 to which one of the top portions 111' or the bottom portion 112' is connected is connected to the connecting portion of one of the adjacent two connecting fins 20, and is in the width direction W of the fin assembly 1. The other of the two intermediate portions 113 connected to the at least one top portion 111' or the bottom portion 112' of the main fins 10 between the adjacent two connecting fins 20 and the other of the two adjacent connecting fins 20 A connection segment is connected.

Referring to Figures 1 through 44, in an embodiment of the invention, the attachment fins 20 are continuous or have break points. For example, the connecting fins 20 are continuous or have a break point in the longitudinal direction L of the fin assembly 1.

Referring to Figures 24 through 27, in an embodiment of the present invention, the peaks 111 or troughs 112 of the two adjacent main fins 10 on one side in the height direction H of the fin assembly 1 are at the length of the fin assembly 1. The direction L is shifted by a predetermined distance, and the pitch of the adjacent crests 111 or troughs 112 on one side of the two adjacent main fins 10 in the height direction H of the fin assembly 1 and the connecting fins The pitch of the adjacent peaks 211 or troughs 212 of one side of the sheet 20 in the height direction H of the fin assembly 1 is substantially equal, and the intermediate portion 113 of the two adjacent main fins 10 is at the fin assembly 1 When viewed in the width direction W, there is an intersection 30, and the height of the connection fin 20 in the height direction H of the fin assembly 1 is substantially the same as the height of the main fin 10 in the height direction H of the fin assembly 1, and is connected. The fin 20 has a breaking point 216 in which the breaking point 216 is located at a different position from the intersection 30 in the height direction H of the fin assembly 1, and connects the fins 20 when viewed in the width direction W of the fin assembly 1. A portion located between the break point 216 and the intersection 30 is substantially bent at a cross point 30 to form a bent portion 215. The side of the connecting fin 20 having the bent portion 215 in the width direction W of the fin assembly 1 is connected to one of the two adjacent main fins 10 by the bent portion 215, and the other side passes A portion other than the bent portion 215 is connected to the other of the two adjacent main fins 10. The break point 216 may be located at the top 211' or the bottom portion 212' or the intermediate portion 213 of the side of the connecting fin 20 in the height direction H of the fin assembly 1. The bent portion 215 constitutes a connecting portion, and the bent portion 215 may have substantially the same portion as the corresponding portion of the one of the main fins 10 or the portion connected to the bent portion 215 when viewed in the width direction W of the fin assembly 1. shape.

Referring to FIGS. 1 to 44, peaks 111 or troughs 112 of one side of two adjacent main fins 10 in the height direction H of the fin assembly 1 are in the longitudinal direction L of the fin assembly 1. Staggered the predetermined distance. For example, one of two adjacent main fins 10 has a peak 111 on one side in the height direction H of the fin assembly 1 and one of the two adjacent main fins 10 in the fin assembly The trough 112 on the other side in the height direction H of 1 is located substantially at the same position in the longitudinal direction L of the fin assembly 1.

According to an embodiment of the present invention, the main fin 10 has a cross-sectional shape in a plane defined by the height direction H and the length direction L of the fin assembly 1, and at least some of the main fins 10 of the plurality of main fins 10 (for example All of the main fins 10) have substantially the same cross-sectional shape. Alternatively, at least some of the plurality of main fins 10 (e.g., all of the main fins 10) may have different cross-sectional shapes.

According to an embodiment of the present invention, as shown in FIG. 32, the main fin main body 11 of the main fin 10 may be provided with the opening window 115, and the connecting fin main body 21 of the connecting fin 20 may be provided with the opening window 215.

According to an embodiment of the present invention, the width of the main fins 10 may be 0.5 mm to 3 mm, the width of the connecting fins 20 may be 0.5 mm to 3 mm, and the height of the main fins 10 may be 3 mm to 15 mm, and the connecting fins 20 may be The height may be 3 mm to 15 mm, and the thickness of the main fin 10 and the connecting fin 20 may be 0.06-0.2 mm (plate thickness for processing fins), and the heat exchange tube 3 such as a flat tube may have a width of 6 mm to 48 mm. . The width of the fin assembly can be approximately equal to the width of the heat exchange tube 3 such as a flat tube.

Referring to FIGS. 28 to 31, some parameters of the main fin 10 and the connecting fin 20 may be different according to an embodiment of the present invention, for example, the main fin 10 and the connecting fin 20 have different widths, and further, a plurality of main fins The sheets 10 can have different widths and the plurality of connecting fins 20 can have different widths. Referring to Figures 12 through 15, the attachment fins 20 can have different peaks and/or trough heights in accordance with embodiments of the present invention. The upper portion of at least a portion of the connecting fin 20 in the longitudinal direction is separated from an adjacent main fin portion, and the lower portion is integral with the main fin; or the lower portion of the connecting fin 20 at least a portion in the longitudinal direction is adjacent to one The main fins are partially separated and the upper portion is integral with the main fin.

As shown in FIG. 32, the main fins 10 and the connecting fins 20 may have a window opening which may face one side in the longitudinal direction L of the fin assembly 1, or both sides.

Referring to FIGS. 1 to 7, 16 to 23, and 28 to 44, the connecting fins 20 may be respectively disposed at different positions in the height direction H of the fin assembly 1 as needed.

Referring to Figures 41 to 44, the inclined fins can be used to increase the windward area and also to guide the wind flow and increase the air circulation path. The twisting direction of the fins may be the same or different.

Referring to Figures 12 to 15, in the embodiment of the present invention, the peaks 111 or troughs 112 of the two adjacent main fins 10 of the fin assembly 1 on the side in the height direction H of the fin assembly 1 are staggered. Distance, and one of the two adjacent main fins 10 of the fin assembly 1 having a peak 111 (or trough 112) on one side in the height direction H of the fin assembly 1 and two of the fin assembly 1 The valleys 112 (or peaks 111) on the other side in the height direction H of the fin assembly 1 of the other of the adjacent main fins 10 are shifted by a predetermined distance.

Referring to FIGS. 1 to 44, a peak 111 or a trough 112 of one side of the main fin 10 on the side in the height direction H of the fin assembly 1 and a side of the connecting fin 20 on the side in the height direction H of the fin assembly 1 The peaks 211 or troughs 212 may be staggered by a predetermined distance or at the same position in the longitudinal direction L of the fin assembly 1.

The connecting fins 20 can also be machined into any other suitable waveform, or any other suitable shape, and are not limited to waveforms. One fin assembly 1 may include one or more shapes of connecting fins 20. The main fins 10 and the connecting fins 20 can be joined at any suitable location. The plurality of connection fins 20 may be at different positions or the same position in the height direction H of the fin assembly 1.

Referring to FIGS. 45 to 48, in the embodiment of the present invention, the connecting fin 20 or the connecting fin main body 21 includes a plurality of repeating units 22 of the same structure, and the repeating units 22 are arranged and connected in the longitudinal direction L of the fin assembly 1. Together. The repeating unit 22 includes a wavy portion 221 and a connecting portion 222 that is coupled to the undulating portion 221. The undulating portion 221 has a top portion 211' defining a peak 211, a bottom portion 212' defining a trough 212, and an intermediate portion 213 extending between the top portion 211' and the bottom portion 212'. The intermediate portion 213 of the wavy portion 221 may have a substantially linear shape when viewed in the width direction W of the fin assembly 1, and at least the intermediate portion 113 of the main fins 10 and the intermediate portion 213 of the connecting fins 20 are opposed to each other. The height direction H of the fin assembly 1 is equal in angle such that the intermediate portion 113 of the main fin 10 and the intermediate portion 213 of the connecting fin 20 are connected over the entire length of the intermediate portion 213 of the connecting fin 20. The connecting portion 222 connects the adjacent corrugated portions 221. The connecting portion 222 can be a substantially linear portion or a portion of other suitable shape.

Referring to Figures 45 through 48, in an embodiment of the invention, the undulating portion 221 of the repeating unit 22 includes a first portion intermediate portion 2211 and a second portion intermediate portion 2212, the first portion intermediate portion 2211 being the fin assembly from the undulating portion 221. The length of the first outermost top portion 211' or the bottom portion 212' in the longitudinal direction L of 1 is smaller than the length of the intermediate portion 213, and the second portion intermediate portion 2212 is from the wavy portion 221 in the longitudinal direction of the fin assembly 1. The length of the second outermost top portion 211' or the bottom portion 212' opposite to the first outermost side of L is smaller than the length of the intermediate portion 213, the connecting portion 222 and the first portion intermediate portion 2211 and the second portion intermediate portion One of the 2212 is connected and connected to the other of the first portion intermediate portion 2211 and the second portion intermediate portion 2212 of the adjacent repeating unit. In the illustrated embodiment, the first portion intermediate portion 2211 is a segment extending from the first outermost top portion 211' of the undulating portion 221 in the longitudinal direction L of the fin assembly 1 to be smaller than the intermediate portion 213, The two-part intermediate portion 2212 is a segment extending from the bottom portion 212' of the wavy portion 221 in the longitudinal direction L of the fin assembly 1 opposite to the first outermost outermost portion, which is smaller than the intermediate portion 213.

Referring to FIGS. 45 to 48, in an embodiment of the present invention, at least one of the intermediate portion 113 of the main fins 10 and the first portion intermediate portion 2211 and the second portion intermediate portion 2212 of the connecting fins 20 are opposite to each other. The height direction H of the sheet assembly 1 is equal in angle such that the intermediate portion 113 of the main fin 10 and the intermediate portion of the first portion intermediate portion 2211 and the second portion intermediate portion 2212 of the connecting fin 20 are at the connecting fin A portion of the intermediate portion of the sheet 20 is joined over its entire length.

Referring to Figures 45 through 48, in an embodiment of the invention, the connecting portion 222 extends in the length direction L of the fin assembly 1, and the repeating unit 22 may include only one top portion 211' defining the peak 211, and only one defining the trough 212. The bottom portion 212' and only one intermediate portion 213 extending between the top portion 211' and the bottom portion 212', a first portion intermediate portion 2211, a second portion intermediate portion 2212, and a connecting portion 222.

According to an embodiment of the present invention, in the direction of fluid flow, it can be seen that the fin distribution is more uniform with respect to the conventional fins in each region and at each height, so that the fluid passing through the fins can be sufficiently heated with the fins. Exchange, thereby improving heat exchange efficiency; in the fin height direction, the size of the fluid flow channel does not change much, which can better solve the problem of air leakage; and the window fin can forcibly change the flow direction of the fluid, so the resistance of circulation The force will be larger, and in the embodiment of the invention, there is still very good flow resistance under the same fin heat exchange area. You can choose to increase the density of the fins so that more heat transfer area can be obtained with the same flow resistance. In addition, since the windward surface of the fin is increased, the boundary layer during heat exchange can be well destroyed, thereby improving heat exchange efficiency.

According to an embodiment of the invention, the connecting fins may fill the gaps of the airflow passages between adjacent peaks of the main fins or between adjacent troughs.

The fin assembly and the heat exchanger according to the embodiment of the present invention have a simple structure and effectively improve the heat exchange efficiency of the fin, thereby reducing the heat exchanger cost and increasing the heat exchange capacity.

According to the fin assembly and the heat exchanger of the embodiment of the present invention, from the side view, that is, from the air flow direction of the heat exchanger, the fin assembly and the heat exchanger have more fin windward area. Since the wind is fully utilized, the fin heat exchange efficiency is increased.

Further, according to the fin assembly and the heat exchanger of the embodiment of the present invention, the rear fin assembly effectively utilizes the peaks at the front fin assembly and the air leakage at the troughs.

Further, according to the fin assembly and the heat exchanger of the embodiment of the present invention, by increasing the windward area of the fin, the boundary layer during heat exchange can be well destroyed, thereby improving heat exchange efficiency.

It should be noted that the waveform structures of the above embodiments are all described by taking a substantially sinusoidal structure or a sinusoidal-like structure as an example, but the waveform structure may also be any suitable waveform structure such as a triangular wave structure or a trapezoidal wave structure.

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

Claims

A fin assembly for a heat exchanger, the fin assembly comprising:

a plurality of main fins, each of the main fins having a main fin body formed of a corrugated structure, each main fin body having a top defining a peak, a bottom defining a trough, and an intermediate extending between the top and the bottom Department; and

Connecting fins disposed between two adjacent main fins for connecting two adjacent main fins,

The main fins and the connecting fins are arranged in the width direction of the fin assembly, and the main fins and the connecting fins have different shapes.
A fin assembly for a heat exchanger according to claim 1, wherein:

The main fin and the connecting fin have different shapes when viewed in the width direction of the fin assembly; or

An imaginary plane is defined between the connecting fin and at least one of the two adjacent main fins and is defined by a length direction and a height direction of the fin assembly, and a side of the side of the connecting fin close to the imaginary plane is on an imaginary plane The projection of the projection on the imaginary plane with the projection of at least one of the main fins on the side close to the imaginary plane has a different shape.
A fin assembly for a heat exchanger according to claim 1, wherein:

The connecting fin has a connecting fin body formed of a corrugated structure, the at least one connecting fin body having a top defining a peak, a bottom defining a trough, and an intermediate portion extending between the top and the bottom.
A fin assembly for a heat exchanger according to claim 2 or 3, wherein:

The connecting section of the connecting fin is connected to the connected section of at least one of the two adjacent main fins, and the connecting section of the connecting fin and the two adjacent mains when viewed in the width direction of the fin assembly The connected segments of at least one of the fins substantially coincide with each other.
A fin assembly for a heat exchanger according to claim 4, wherein:

The portion between the portion between the adjacent connecting segments connecting the fins and the corresponding adjacent connected segment of at least one of the two adjacent main fins is expanded in the length direction of the fin assembly equal.
A fin assembly for a heat exchanger according to claim 3, wherein:

The number of peaks or troughs of one side of the at least one connecting fin in the height direction of the fin assembly is greater than the peak of one side of the height direction of at least one of the two adjacent main fins in the fin assembly Or the number of troughs.
A fin assembly for a heat exchanger according to claim 3, wherein:

a spacing of adjacent peaks or troughs on a side of at least one of the pair of adjacent main fins in a height direction of the fin assembly and a height direction of the connecting fins in the fin assembly The ratio of the spacing of adjacent peaks or troughs on one side is a natural number greater than or equal to two.
A fin assembly for a heat exchanger according to claim 3, wherein:

The intermediate portion of the main fin has a substantially linear shape when viewed in the width direction of the fin assembly, and the intermediate portion of the connecting fin has a substantially linear shape when viewed in the width direction of the fin assembly, at least connected The intermediate portion of the main fin and the intermediate portion of the connecting fin are equal in angle with respect to the height direction of the fin assembly such that the intermediate portion of the main fin and the intermediate portion of the connecting fin are at the intermediate portion of the connecting fin Connected over the entire length.
A fin assembly for a heat exchanger according to claim 1 or 2, wherein:

The height of the connecting fin in the height direction of the fin assembly is smaller than the height of the main fin in the height direction of the fin assembly.
A fin assembly for a heat exchanger according to claim 4, wherein:

One of the at least one pair of adjacent connecting segments connecting the fins is connected to the connected segment of one of the two adjacent main fins, and the other of the at least one pair of adjacent connecting segments of the connecting fins Connected to the connected segment of the other of the two adjacent main fins.
A fin assembly for a heat exchanger according to claim 10, wherein:

The top or bottom of one side of the connecting fin in the height direction of the fin assembly and the intermediate portion connected to the top or bottom constitute a connecting section, at least one of the two adjacent main fins in the fin assembly A top or bottom of one side in the height direction and a portion of the intermediate portion connected to the top or bottom constitute a connected section.
A fin assembly for a heat exchanger according to claim 11 wherein:

A bottom portion of one of the two connection fins adjacent in the width direction of the fin assembly and an intermediate portion connected to the bottom portion are connected to a bottom portion of two adjacent main fins and an intermediate portion connected to the bottom portion, And two connecting fins adjacent in the width direction of the fin assembly The top of the other of the other and the intermediate portion connected to the top are connected to the top of two adjacent main fins and the intermediate portion connected to the top.
A fin assembly for a heat exchanger according to claim 10, wherein:

At least some intermediate portions of the at least one connecting fin constitute an at least partial connecting section, and a portion of at least some intermediate portions of at least one of the two adjacent main fins constitute an at least partially connected section.
A fin assembly for a heat exchanger according to claim 10, wherein:

At least some of the first intermediate portions of one side of the intermediate portion of the fin assembly connected to the top or bottom portion of the connecting fin constitute at least a portion of the connecting portion.
A fin assembly for a heat exchanger according to claim 4, wherein:

At least some of the first intermediate portions of one side in the longitudinal direction of the fin assembly in the intermediate portion to which the top or bottom of at least one of the at least two connecting fins adjacent in the width direction of the fin assembly is connected constitute At least partially connecting the segments, and in the intermediate portion of the middle portion of the other of the at least two connecting fins adjacent to each other in the width direction of the fin assembly, in the longitudinal direction of the fin assembly At least some of the second intermediate portions of one side constitute at least a portion of the connecting segments.
A fin assembly for a heat exchanger according to claim 15, wherein:

One of the two intermediate portions connected to at least one top or bottom of the main fin between the two connecting fins adjacent in the width direction of the fin assembly and one of the adjacent two connecting fins The connecting segments are connected, and the other of the two intermediate portions connected to at least one top or bottom of the main fins between the two connecting fins adjacent in the width direction of the fin assembly and the adjacent two The connecting segments of the other of the connecting fins are connected.
A fin assembly for a heat exchanger according to claim 3, wherein:

The height of the connecting fin in the height direction of the fin assembly is smaller than the height of the main fin in the height direction of the fin assembly, and the connecting fin is disposed between the top and bottom of the main fin main body, and the connecting fin is provided Position of the sheet in the height direction of the main fin such that at least some intermediate portions of at least some intermediate portions of the connecting fins and at least one of the two adjacent main fins are at least some intermediate portions of the connecting fins Connected over the entire length.
A fin assembly for a heat exchanger according to claim 1, wherein:

The connecting fins are continuous or have a break point.
A fin assembly for a heat exchanger according to claim 4, wherein:

The peaks or troughs of one side of the two adjacent main fins in the height direction of the fin assembly are shifted by a predetermined distance in the longitudinal direction of the fin assembly, and each of the two adjacent main fins is The pitch of adjacent peaks or troughs on one side in the height direction of the fin assembly is substantially equal to the pitch of adjacent peaks or troughs on one side of the connecting fin in the height direction of the fin assembly, two The intermediate portion of the adjacent main fins has an intersection when viewed in the width direction of the fin assembly.

The height of the connecting fin in the height direction of the fin assembly is substantially the same as the height of the main fin in the height direction of the fin assembly, and the connecting fin has a breaking point, which is broken in the height direction of the fin assembly The opening point is located at a different position from the intersection point, and the portion of the connecting fin between the breaking point and the intersection point when viewed in the width direction of the fin assembly is substantially bent at a crossing point to form a bent portion The side of the connecting fin having the bent portion in the width direction of the fin assembly is connected to one of the two adjacent main fins by the bent portion, and the other side passes through the bend other than the bent portion The portion is connected to the other of the two adjacent main fins.
A fin assembly for a heat exchanger according to claim 19, wherein:

The breaking point is located at the top or bottom of the side of the connecting fin that is in the height direction of the fin assembly.
A fin assembly for a heat exchanger according to any one of claims 1 to 3, wherein:

The peaks or troughs of one side of the two adjacent main fins in the height direction of the fin assembly are shifted by a predetermined distance in the longitudinal direction of the fin assembly.
A fin assembly for a heat exchanger according to any one of claims 1 to 3, wherein:

a peak of one of two adjacent main fins in a height direction of the fin assembly and another of the two adjacent main fins in a height direction of the fin assembly The valleys on the sides are located approximately at the same position in the length direction of the fin assembly.
A fin assembly for a heat exchanger according to claim 1, wherein:

The peaks or troughs of one side of the two adjacent main fins of the fin assembly in the height direction of the fin assembly are shifted by a predetermined distance, and two adjacent main fins of the fin assembly are One of the peaks or troughs on one side in the height direction of the fin assembly and the other side of the other two adjacent main fins of the fin assembly in the height direction of the fin assembly Or the peaks are staggered by a predetermined distance.
A fin assembly for a heat exchanger according to claim 1, wherein:

The fin assembly is unitary.
A fin assembly for a heat exchanger according to claim 1, wherein:

The fin assembly is formed from a single sheet.
A fin assembly for a heat exchanger according to claim 1 or 2, wherein:

The connecting fins comprise a plurality of repeating units of the same structure, the repeating unit comprising a corrugated portion and a connecting portion connected to the corrugated portion.
A fin assembly for a heat exchanger according to claim 26, wherein:

The undulating portion has a top defining a peak, a bottom defining a trough, and an intermediate portion extending between the top and the bottom.
A fin assembly for a heat exchanger according to claim 27, wherein:

The intermediate portion of the wavy portion has a substantially linear shape when viewed in the width direction of the fin assembly, and at least the intermediate portion of the connected main fin and the intermediate portion of the connecting fin have an equal angle with respect to the height direction of the fin assembly. The intermediate portion of the main fin and the intermediate portion of the connecting fin are connected over the entire length of the intermediate portion of the connecting fin.
A fin assembly for a heat exchanger according to claim 26, wherein:

The connecting portion connects the adjacent wavy portions.
A fin assembly for a heat exchanger according to claim 26, wherein:

The connecting portion is a substantially linear portion.
A fin assembly for a heat exchanger according to claim 27, wherein:

The corrugated portion of the repeating unit includes a first portion intermediate portion and a second portion intermediate portion, the first portion intermediate portion extending from the top or bottom portion of the first outermost portion of the undulating portion in the longitudinal direction of the fin assembly is smaller than the intermediate portion a segment of the second portion, the segment extending from the top or bottom of the second outermost portion of the undulating portion in the longitudinal direction of the fin assembly opposite the first outermost portion, having a length smaller than the intermediate portion, the connection The portion is coupled to one of the first portion intermediate portion and the second portion intermediate portion and to the other of the first portion intermediate portion and the second portion intermediate portion of the adjacent repeating unit.
A fin assembly for a heat exchanger according to claim 31, wherein:

An intermediate portion of at least the connected main fins and an intermediate portion of the first portion and the second portion of the connecting fin are equal in angle with respect to a height direction of the fin assembly such that the intermediate portion and the connection of the main fin The intermediate portion of the first portion intermediate portion and the second portion intermediate portion of the fin is joined over the entire length of a portion of the intermediate portion of the connecting fin.
A heat exchanger comprising:

Heat exchange tube;

The fin assembly of claim 1 disposed between the heat exchange tubes.