CN214666291U - Heat exchange fin and heat exchange device - Google Patents

Abstract

The application discloses a heat exchange fin and a heat exchange device, wherein the heat exchange fin is provided with at least one first flanging hole, and a first flange of the first flanging hole extends towards the direction far away from the first surface of the heat exchange fin; wherein, the included angle between the first flange and the axis of the first flanging hole is 3-10 degrees. The heat exchange fin is applied to an air conditioner, a refrigerator, an automobile and the like in a follow-up mode, the heat exchange fins can be stacked in sequence, the first flange of one of any two adjacent heat exchange fins is inserted into the first flange of the other heat exchange fin at the corresponding position, the inner wall of the first flange of the other heat exchange fin is abutted, at least one channel with two ends open is formed, during heat exchange, heat exchange media circulate in the channel, and heat is directly transferred between the heat exchange media and the heat exchange fins and has high heat exchange efficiency. In addition, the included angle between the first flange and the axis of the first flanging hole is 3-10 degrees, so that the strength and the sealing performance of the channel can be guaranteed.

Description

Heat exchange fin and heat exchange device

Technical Field

The application relates to the technical field of heat exchange, in particular to a heat exchange fin and a heat exchange device.

Background

The heat exchange device of air conditioners, refrigerators, automobiles and the like in the prior art is generally formed by copper pipes and heat exchange fins, a plurality of heat exchange fins are arranged in groups, the copper pipes are arranged in the heat exchange fins in a penetrating manner, holes for the copper pipes to penetrate are provided with flanges on the heat exchange fins, a heat exchange medium flows in the copper pipes, and heat is transmitted among the heat exchange medium, the copper pipes, the heat exchange fins and the air in sequence to achieve the purpose of heat exchange. However, the heat exchange process is subjected to multiple heat transfers, the thermal resistance is large, and the contact part of the copper pipe and the heat exchange fin is easy to deform and generate pores, so that the heat exchange area is reduced, the thermal resistance is increased, and the heat exchange efficiency is low. And the cost of copper pipe is higher, leads to heat transfer device's cost also to be higher.

SUMMERY OF THE UTILITY MODEL

The main technical problem who solves of this application provides a heat transfer fin and heat transfer device, can improve heat exchange efficiency, reduce cost.

In order to solve the technical problem, the application adopts a technical scheme that: providing a heat exchange fin, wherein at least one first flanging hole is formed in the heat exchange fin, and a first flange of the first flanging hole extends towards the direction far away from the first surface of the heat exchange fin; wherein, the included angle between the first flange and the axis of the first flanging hole is 3-10 degrees.

Wherein, the orthographic projection of the first flanging hole on the heat exchange fin is oblong or elliptical.

The first flange extends to a direction far away from the first face to a height of 3mm-10mm, and a distance between every two adjacent first flanging holes is 15mm-20 mm.

The heat exchange fin comprises a body layer and a solder layer coated on the outer surface of the body layer.

The heat exchange fin is provided with a plurality of first flanging holes, at least one turbulence hole is arranged in a gap area between every two adjacent first flanging holes, at least one bridge piece is arranged on the first surface, and the opposite edges of the turbulence holes are connected with the bridge piece in a crossing mode.

In order to solve the above technical problem, another technical solution adopted by the present application is: provided is a heat exchange device comprising:

the heat exchange fins are stacked in sequence, and the first flanges of all the heat exchange fins face to the same direction; for any two adjacent heat exchange fins, the first flange of one heat exchange fin is inserted into the first flange of the other heat exchange fin at the corresponding position and abuts against the inner wall of the first flange of the other heat exchange fin to form at least one channel with openings at two ends.

The heat exchange fins are arranged in an array, and comprise two outer side faces which are oppositely arranged in the extending direction of the channels; the heat exchange device further comprises:

the two end covers are respectively and fixedly arranged on the two outer side surfaces; the two end covers are respectively provided with at least one groove, the grooves cover the openings of two adjacent channels at corresponding positions, and the grooves on one end cover and the grooves on the other end cover are arranged in a staggered manner, so that the channels are communicated with each other to form a serpentine passage;

the two interfaces respectively penetrate through the end covers at the positions of the two ports to be communicated with the snake-shaped passage.

Wherein, heat transfer device still includes two end plates, is located respectively the end cover with between the heat transfer fin, be provided with on the end plate with the second flanging hole of first flanging hole one-to-one, on one of them end plate the second flange in second flanging hole is inserted and is arranged in adjacently in heat transfer fin's first flange, adjacent with another end plate heat transfer fin's first flange is inserted and is arranged in another end plate in the second flange, just lie in adjacently on the end plate part between the second flanging hole and the position department that corresponds the end cover laminating.

Wherein, the orthographic projection of the groove on the heat exchange fin is in a round corner rectangle and/or an oblong.

The distance between two adjacent heat exchange fins is 1mm-10mm, the distance between the contact areas of the two adjacent first flanges in the direction away from the first surface is 0.1mm-1mm, and the thickness of the first flanges is 0.3mm-1.0 mm.

The beneficial effect of this application is: different from the situation of the prior art, the heat exchange fin provided by the application is provided with at least one first flanging hole, and a first flange of the first flanging hole extends towards the direction far away from the first surface of the heat exchange fin; wherein, the included angle between the first flange and the axis of the first flanging hole is 3-10 degrees. The heat exchange fin is applied to an air conditioner, a refrigerator, an automobile and the like in a follow-up mode, the heat exchange fins can be stacked in sequence, a first flange of one of any two adjacent heat exchange fins is inserted into a first flange of the other heat exchange fin at the corresponding position, the inner wall of the first flange of the other heat exchange fin is abutted, at least one channel with two ends open is formed, during heat exchange, heat exchange media circulate in the channel, heat is directly transferred between the heat exchange media and the heat exchange fins, the heat resistance is small, the heat exchange area is large, the heat exchange efficiency is high, copper pipes are not needed to be used, and the cost can be reduced. In addition, the included angle between the first flange and the axis of the first flanging hole is set to be 3-10 degrees, so that the contact area of the adjacent first flanges is in a proper range, and the strength and the sealing performance of the channel are guaranteed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:

FIG. 1 is a schematic structural diagram of an embodiment of a heat exchange device according to the present application;

FIG. 2 is a schematic structural view of another perspective of the heat exchange device in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line D1-D1 in FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line D2-D2 of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along line D3-D3 of FIG. 1;

FIG. 6 is an enlarged schematic view of the area indicated by the dashed box N in FIG. 3;

FIG. 7 is a schematic top view of a heat exchanger fin of the present application;

FIG. 8 is a partial schematic view of a stack of two heat exchanger fins;

FIG. 9 is a schematic top view of an embodiment of an end cap;

FIG. 10 is a schematic top view of another embodiment of an end cap;

FIG. 11 is a schematic structural diagram of an embodiment of a heat exchange module according to the present application;

fig. 12 is a schematic structural view of the heat exchange module in fig. 11 from another perspective.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application belong to the protection scope of the present application.

Referring to fig. 1 to 8, fig. 1 is a schematic structural diagram of an embodiment of a heat exchange device of the present application, fig. 2 is a schematic structural diagram of another view angle of the heat exchange device of fig. 1, fig. 3 is a schematic structural sectional diagram of a direction D1-D1 of fig. 1, fig. 4 is a schematic structural sectional diagram of a direction D2-D2 of fig. 1, fig. 5 is a schematic structural sectional diagram of a direction D3-D3 of fig. 1, fig. 6 is an enlarged schematic view of a region shown by a dashed-line frame N of fig. 3, fig. 7 is a schematic structural diagram of a top view of a heat exchange fin of the present application, fig. 8 is a schematic structural diagram of a part of two heat exchange fin stacks, and for clarity, fig. 2 only shows a situation that a plurality of heat exchange fins are stacked in sequence. The heat exchange device provided by the application comprises a plurality of heat exchange fins 100, wherein at least one first flanging hole 11 is formed in each heat exchange fin 100, and a first flange 12 of each first flanging hole 11 extends towards a direction (namely, the X direction in fig. 3) far away from a first surface a of each heat exchange fin 100. In the heat exchanging device, the plurality of heat exchanging fins 100 are stacked in sequence and the first flanges 12 of all the heat exchanging fins 100 face the same direction, i.e., the X direction in fig. 3.

Wherein, for any two adjacent heat exchange fins 100 (for example, two adjacent heat exchange fins 100 stacked up and down in fig. 8), the first flange 12 of one heat exchange fin 100 (the lower heat exchange fin 100) is inserted into the first flange 12 of another heat exchange fin 100 (the upper heat exchange fin 100) at the corresponding position, and abuts against the inner wall of the first flange 12 of another heat exchange fin 100 to form at least one channel S with two open ends. It can be seen that the number of the channels S in the heat exchange device is the same as the number of the first burring holes 11 of one heat exchange fin 100.

When the heat exchange device is applied to heat exchange modules of air conditioners, refrigerators, automobiles and the like, a heat exchange medium flows in the channel S, heat is directly transferred between the heat exchange medium and the heat exchange fins to reduce thermal resistance, the heat exchange area is large, the heat exchange efficiency is high, copper pipes are not needed, and the cost can be reduced. Moreover, because heat exchange efficiency's promotion, under the same heat transfer demand, the heat transfer device's that this application provided cost is lower, and the size is littleer, weight is lighter, the installation of being more convenient for.

Further, referring to fig. 9 and 10 in conjunction with fig. 1 to 8, fig. 9 is a schematic top view structure of an embodiment of the end cap, and fig. 10 is a schematic top view structure of another embodiment of the end cap, in this embodiment, the number of the channels S is plural, and the channels S are arranged in an array, which may be a 5 × 1 array, a 6 × 3 array, or the like, for example, 10 × 3 array in fig. 1 and 2, in the extending direction of the channels S, the plurality of heat exchange fins 100 includes two outer side faces L1 and L2 which are oppositely disposed. The heat exchange device further comprises two end caps 200 and two interfaces 300.

The two end covers 200 are respectively and fixedly arranged on the two outer side faces L1 and L2, at least one groove 21 is respectively arranged on the two end covers 200, the groove 21 covers the openings of the two adjacent channels S at the corresponding positions, and the groove 21 on one end cover 200 and the groove 21 on the other end cover 200 are arranged in a staggered manner, so that the channels S are mutually communicated to form a serpentine path. The serpentine channel includes two ports, as shown by ports B1 and B2 in fig. 3. Two ports 300 are provided through the end cap 200 at the location of the two ports B1 and B2, respectively, to communicate with the serpentine path described above. The orthographic projection of the groove 21 on the heat exchange fin 100 is in a round rectangle and/or an oblong, so that the heat exchange medium can conveniently flow into the adjacent channel S from one channel S, and the heat exchange medium remained in the groove 21 can be reduced.

Specifically, when the number of the channels S is an odd number, it is assumed that 2n +1, n is a positive integer, two end caps 200 are respectively provided with one interface 300, and the two end caps 200 are also respectively provided with n grooves 21. Or, when the number of the channels is an even number, it is assumed that the number is 2(m +1), m is a positive integer, one of the end caps 200 is provided with two connectors 300 and m grooves 21, and the other end cap 200 is provided with m +1 grooves 21. For example, in fig. 1 and 2, if the number of the channels S is 30, m is 14, two ports 300 and 14 grooves 21 are provided on the end cap shown in fig. 7, and 15 grooves 21 are provided on the end cap shown in fig. 8. The quantity and the arrangement of first flanging hole 11 have decided the quantity and the arrangement of passageway S, consequently can set up the quantity and the arrangement of first flanging hole 11 on heat transfer fin 100 according to the practical application demand to enlarge this application heat transfer fin and heat transfer device' S application scene.

When the heat exchange device is applied to a heat exchange module, a heat exchange medium enters the heat exchange device from one interface 300 (for example, the interface 300 penetrating through the port B1), flows to the other interface 300 (for example, the interface 300 penetrating through the port B2) in a serpentine passage formed by the mutual communication of the channels S, and flows out of the heat exchange device. Therefore, the heat exchange medium directly transfers heat to the heat exchange fins 100 and then transfers the heat to the air, so that additional copper pipes are not needed, the heat exchange efficiency is greatly improved, and the cost can be reduced.

In other embodiments, the number of the channels S may also be one or two, when the heat exchange device includes one channel S, two end covers 200 are respectively provided with one interface 300, and the two interfaces 300 become inlets and outlets of the heat exchange medium without providing the groove 21; when the heat exchange device comprises two channels S, one end cover 200 is provided with two connectors 300, the other end cover 200 is provided with only one groove 21, the openings of the two channels S are covered to form a communicated passage, and the two connectors 300 are used as the inlet and the outlet of the heat exchange medium. The skilled person will understand the embodiment in which the number of the above-mentioned channels S is one or two according to the structure shown in fig. 1-10, and will not be further illustrated here.

With continued reference to fig. 1 to 10, an orthographic projection of the first flanging hole 11 of the heat exchange fin 100 on the heat exchange fin 100 is an oblong or elliptical shape, preferably an oblong shape, and the channel S is formed by the first flanges 12 stacked in sequence, so that the shape of the first flanging hole 11 determines the shape of the channel S, and when a heat exchange medium flows in the oblong channel S, the heat exchange area is larger, and the heat exchange efficiency is higher. When the groove 21 needs to cover the openings of the two channels S arranged in the long axis direction of the oblong shape, it is preferable that the orthographic projection of the groove 21 on the heat exchange fin 100 is also in the oblong shape, and when the groove 21 needs to cover the openings of the two channels S arranged in the short axis direction of the oblong shape, it is preferable that the orthographic projection of the groove 21 on the heat exchange fin 100 is in a rounded rectangle.

In order to improve the heat transfer rate, heat transfer fin 100 is usually formed by stamping metal with high thermal conductivity such as aluminum, stainless steel, copper and the like, and then a plurality of heat transfer fins 100 are stacked to form the heat exchange device, in order to form sealed channel S, the heat transfer fins 100 need to be welded in the area in contact with each other, therefore, in the application, heat transfer fin 100 comprises a body layer and a solder layer coated on the outer surface of the body layer, the melting point of the solder layer is lower than that of the material of the body layer, after a plurality of heat transfer fins 100 are stacked, the solder layer is melted in a high-temperature environment, so that the area in contact with each other of heat transfer fins 100 is welded to form channel S. When the heat exchange medium flows in the channel S, heat is directly transferred between the heat exchange medium and the heat exchange fins 100, and the heat exchange efficiency is high.

Wherein, the included angle α between the first flange 12 and the axis R of the first flanging hole 11 is 3 degrees to 10 degrees, such as 3 degrees, 4 degrees, 5 degrees, 6 degrees, 7 degrees, 8 degrees, 9 degrees, 10 degrees, etc. The flatter the shape of the first flanging hole 11 is, the higher the heat exchange efficiency is, but the processing difficulty can be improved, the included angle between the first flange 12 and the axis R of the first flanging hole 11 is set to 3-10 degrees, the balance between the processing difficulty and the flatness of the first flanging hole 11 can be achieved, and the higher heat exchange efficiency can be obtained while the processing is performed. Moreover, the included angle alpha is set in such a way, so that the contact area of the adjacent first flanges 12 is in a proper range, a proper welding area is ensured, and the strength and the tightness of a channel formed by welding are ensured to meet the requirements of application scenes.

Specifically, the thickness of the first flange 12 is 0.3mm to 1.0mm, such as 0.3mm, 0.5mm, 0.7mm, 0.8mm, 1.0mm, etc., the height of the first flange 12 extending in a direction away from the first face a (i.e., the X direction in fig. 3) is 3mm to 10mm, such as 3mm, 3.5mm, 4mm, 4.5mm, 5.5mm, 6.5mm, 7.5mm, 8.5mm, 9.5mm, 10mm, etc., and the distance between adjacent first burring holes 11 is 15mm to 20mm, such as 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, etc., so as to increase the contact area between the heat exchange fin 100 and the heat exchange medium flowing in the channel S as much as possible while ensuring the strength of the heat exchange fin 100, thereby increasing the heat exchange efficiency.

Further, with continuing reference to fig. 1 to 10, at least one baffle hole 13 is disposed in a gap region between two adjacent first flanging holes 11 on the heat exchange fin 100, and at least one bridging element 14 is disposed on the first surface a, and the bridging element 14 is bridged across an opposite edge of each baffle hole 13. Of course, the turbulence holes 13 and the bridge piece 14 may be provided in the edge area of the first surface a of the heat exchange fin 100.

The orthogonal projection of the turbulent flow holes 13 on the heat exchange fin 100 is rectangular, and the side length of the rectangle is 1.5mm-2.5mm, such as 1.5mm, 1.8mm, 2mm, 2.3mm, 2.5mm, and the like. The orthographic projection of the bridge piece 14 on the plane of the turbulent flow hole 13 falls in the turbulent flow hole 13, and the height of the bridge piece 14 protruding out of the first surface A is 1.5mm-2.5mm, such as 1.5mm, 1.8mm, 2mm, 2.3mm, 2.5mm and the like.

When air circulates between the adjacent heat exchange fins 100, the turbulent flow holes 13 and the bridging pieces 14 increase the resistance of air circulation, so that more heat exchange can be performed between the air and the heat exchange fins 100, and the heat exchange efficiency is further improved. Moreover, the burbling hole 13 and the bridge piece 14 can be directly formed by punching, so that the process difficulty is reduced.

Further, referring to fig. 1 to 10, the heat exchange device further includes two end plates 400 respectively located between the end cover 200 and the heat exchange fins 100, the end plates 400 are provided with second flanging holes 41 corresponding to the first flanging holes 11 one by one, wherein the second flange 42 of the second flanging hole 41 on one end plate 400 (i.e., the lower end plate 400 in fig. 6) is inserted into the first flange 12 of the adjacent heat exchange fin 100, the first flange 12 of the heat exchange fin 100 adjacent to the other end plate 400 (i.e., the upper end plate 400 in fig. 6) is inserted into the second flange 42 of the other end plate 400, and a portion of the end plate 400 located between the adjacent second flanging holes 42 is attached to the end cover 200 at the corresponding position, as shown by a dashed line frame M in fig. 6.

When the heat exchange fin is provided with the baffle hole 13 and the bridge piece 14, and the end cover 200 is assembled on two outer side faces L1 and L2 of the heat exchange device, because the bridge piece 14 protrudes out of the first face a, the welding area is small or the end cover 200 cannot be welded when being welded on the outer side face of the heat exchange device, so that the stability of the heat exchange device is insufficient, therefore, the end plate 400 is arranged between the end cover 200 and the heat exchange fin 100, and the areas outside the second flanging hole 41 on the end plate 400 are flat areas, which plays a role in welding transition, and facilitates the subsequent welding and assembly of the end cover 200. In the above embodiment, the end plates 400 are provided on both the end caps 200, but in other embodiments, the end plates 400 may be provided only on the side from which the bridge 14 protrudes, and the end cap 200 on the other side may be directly fixed to the heat exchange fin 100 side.

At least two sides of the end cap 200 are provided with undercuts 22 bent towards the adjacent end plate 400, so that the end cap 200 and the adjacent end plate 400 are welded and fixed in a meshing manner, and the stability and the sealing performance are improved. Preferably, each side of the end cap 200 is provided with a undercut 22, and the corresponding side of the end plate 400 is embedded in the undercut 22 and is engaged and fixed with the end cap 200, so that the structural stability of the heat exchange device can be improved.

In the heat exchange device, the distance between two adjacent heat exchange fins 100 is 1mm-10mm, for example, 1mm, 2mm, 4mm, 5mm, 6mm, 8mm, 10mm, etc., and can be adjusted according to actual application requirements, thereby expanding the application scene of the heat exchange device.

Further, with reference to fig. 1-10, the distance h between the contact areas of two adjacent first flanges 12 in the direction away from the first surface a is 0.1mm-1mm, such as 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, etc. As can be seen from fig. 6 and 8, because the first flanges 11 are sequentially sleeved, a plurality of steps are formed on the inner wall of the channel S, and when the heat exchange medium flows in the channel S against the steps, for example, when the heat exchange medium flows from top to bottom along the channel S in fig. 6, the steps can disturb the flow of the heat exchange medium, so that the heat exchange medium is fully contacted with the heat exchange fins 100, thereby improving the heat exchange efficiency. Generally, the larger the distance h between the contact areas of two adjacent first flanges 12 in the direction away from the first surface a, the larger the heat exchange area, but the greater the processing difficulty, and the distance h can be set in a suitable range to balance the processing difficulty and the heat exchange area.

In combination with the above structural features, the heat exchange medium enters the serpentine path from the position a, flows into the position B, enters the oblong groove 21 covering the position B and the position c, reaches the position c, flows into the position d, enters the oblong groove 21 covering the position d and the position e, reaches the position e, flows into the position f, enters the rounded rectangular groove 21 covering the position f and the position g, reaches the position g, and so on until reaching the port 300 at the port B2 and flows out of the heat exchange device.

Further, please refer to fig. 11 in conjunction with fig. 1-10, fig. 11 is a schematic structural diagram of an embodiment of the heat exchange module of the present application, in which the heat exchange module includes a plurality of heat exchange fins 100, a shell 500, and at least two conduits 600.

The heat exchange fin 100 is the heat exchange fin 100 in each of the above embodiments, and at least one first flanging hole 11 is provided thereon, a first flange 12 of the first flanging hole 11 extends in a direction away from the first surface a of the heat exchange fin 100, the plurality of heat exchange fins 100 are stacked in sequence, and the first flanges 12 of all the heat exchange fins 100 face the same direction. For any two adjacent heat exchange fins 100, the first flange 12 of one heat exchange fin 100 is inserted into the first flange 12 of another heat exchange fin 100 at the corresponding position, and abuts against the inner wall of the first flange 12 of the another heat exchange fin 100 to form at least one channel S with two open ends.

Wherein, casing 500 covers the periphery of locating a plurality of heat transfer fins 100, is about to arrange the heat transfer device among the above-mentioned each embodiment in casing 500 to provide the protection to heat transfer fins 100, can set up the outward appearance of casing 500 into regular shape moreover, for example the cuboid etc. is convenient for install the heat transfer module in concrete application scene.

At least two conduits 600 are disposed through the housing, one end of each conduit 600 is communicated with the channel S, and the other end is communicated with an external pipeline (not shown). The heat exchange medium from the external pipeline enters the channel S inside the heat exchange device through the conduit 600, exchanges heat with the heat exchange fins 100, and then flows out of the heat exchange device through the other conduit 600, so that the function of the heat exchange module is realized.

In this embodiment, when heat exchange medium circulated in heat exchange module inside, actually circulated in the passageway that the first flange of heat transfer fin piled up the formation, the heat directly transmits between heat exchange medium and heat transfer fin for, and the thermal resistance is little, and heat transfer area is big, need not additionally use the copper pipe moreover, the cost is reduced.

Further, referring to fig. 12 in conjunction with fig. 1-11, fig. 12 is a schematic structural diagram of another view angle of the heat exchange module in fig. 11, in which the housing 500 includes a first surface 51 and a second surface 52 perpendicular to the heat exchange fins 100, the first surface 51 is provided with a first vent hole 511, the second surface 52 is provided with a second vent hole 521, and an orthogonal projection of the first vent hole 511 on a plane where the second vent hole 521 is located falls in the second vent hole 521. The air is convenient to circulate between the first vent holes 511 and the second vent holes 521, the heat transferred to the heat exchange fins 100 is taken away from the gaps between the adjacent heat exchange fins 100, or the heat is transferred to the heat exchange fins 100 from the gaps between the adjacent heat exchange fins 100, so that the heat exchange efficiency is improved. Wherein the above-mentioned conduit 600 is disposed on the shell 500 parallel to the third surface 53 and/or the fourth surface 54 of the heat exchanging fin 100, and fig. 11 and 12 schematically illustrate a case where the heat exchanging module has two conduits 600, and both are disposed on the third surface 53.

The housing 500 includes a protrusion 55, which is disposed around the first surface 51 at the edge of the first vent 511 and extends away from the first surface 51, i.e., in the Y direction of fig. 11. The heat exchange module further comprises a fan assembly 700 fixedly disposed in the space surrounded by the protruding member 55. The fan assembly 700 includes a supporting member 71, a fan 72 and a motor 73, wherein the supporting member 71 is fixedly connected to the inner side of the protruding member 55, the fan 72 and the motor 73 are fixed on the supporting member 71, and the motor 73 is used for driving the fan 72 to rotate, so as to circulate air from the second surface 52 to the first surface 51.

It can be seen that motor 73 drives fan blade 72 to rotate, forms negative pressure in the Y direction, and the air that attracts gets into heat exchange module inside from first ventilation hole 511, exchanges heat with heat exchange fin 100, flows out heat exchange module from second ventilation hole 521, further improves heat exchange efficiency. The protruding member 55 can perform a safety protection function on one hand and a flow guiding function on the other hand to guide the air outlet direction.

Therefore, the casing 500 can also perform the function of collecting wind, so that the maximum possible heat exchange between the air entering the inside of the casing 500 and the heat exchange fins 100 occurs, and the heat exchange efficiency is further improved.

Further, referring to fig. 1 to fig. 12, the heat exchanging device in the heat exchanging module further includes the end cap 200, the interface 300, and the end plate 400, and the heat exchanging device in each of the above embodiments is disposed in the housing 500 to obtain the heat exchanging module within the protection scope of the present application. When the heat exchange module comprises the end cover 200 and the connector 300, the conduit 600 sequentially penetrates through the shell 500 and the connector 300, a heat exchange medium from an external pipeline enters the channel S inside the heat exchange device through the conduit 600 and the connector 300 to exchange heat with the heat exchange fins 100, and then flows out of the heat exchange device through the other connector 300 and the conduit 600, so that the function of the heat exchange module is realized. It will be understood by those skilled in the art that the conduit 600 may be bent within the empty space inside the housing 500 to pass through the port 300 to communicate with the channel S.

During the heat transfer, heat exchange medium when the inside circulation of heat transfer module, actually circulate in the passageway that piles up the formation at heat transfer fin's first flange, and the heat directly transmits between heat exchange medium and heat transfer fin, and the thermal resistance is little, and heat transfer area is big, but also can set up fan assembly and promote the circulation of air, makes and circulates to carrying out the heat exchange between the air in the heat transfer fin clearance and the heat transfer fin, further improves heat exchange efficiency. In addition, the heat exchange module that this application provided need not additionally use the copper pipe, can reduce cost. Moreover, because heat exchange efficiency's promotion, under the same heat transfer demand, the heat exchange module cost that this application provided is lower, and the size is littleer, weight is lighter, the installation of being more convenient for.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A heat exchange fin is characterized in that at least one first flanging hole is formed in the heat exchange fin, and a first flange of the first flanging hole extends towards the direction far away from a first surface of the heat exchange fin; wherein, the included angle between the first flange and the axis of the first flanging hole is 3-10 degrees.

2. The heat exchange fin according to claim 1, wherein an orthographic projection of the first burring hole on the heat exchange fin is oblong or elliptical.

3. The heat exchange fin according to claim 1, wherein the first flange extends to a height of 3mm to 10mm away from the first surface, and a distance between adjacent first flanging holes is 15mm to 20 mm.

4. The heat exchange fin according to any one of claims 1 to 3, wherein the heat exchange fin comprises a body layer and a solder layer coated on the outer surface of the body layer.

5. The heat exchange fin according to any one of claims 1 to 3, wherein a plurality of first flanging holes are arranged on the heat exchange fin, at least one turbulence hole is arranged in a gap area between every two adjacent first flanging holes, at least one bridging piece is arranged on the first surface, and the opposite edge of each turbulence hole is bridged by the bridging piece.

6. A heat exchange device, comprising:

a plurality of heat exchanger fins as set forth in any one of claims 1 to 5 stacked in series with the first flanges of all of the heat exchanger fins facing in the same direction;

for any two adjacent heat exchange fins, the first flange of one heat exchange fin is inserted into the first flange of the other heat exchange fin at the corresponding position and abuts against the inner wall of the first flange of the other heat exchange fin to form at least one channel with openings at two ends.

7. The heat exchange device of claim 6,

the heat exchange fin comprises a plurality of channels, a plurality of heat exchange fins and a plurality of heat exchange fins, wherein the plurality of channels are arranged in an array manner, and the plurality of heat exchange fins comprise two outer side faces which are oppositely arranged in the extending direction of the channels; the heat exchange device further comprises:

the two end covers are respectively and fixedly arranged on the two outer side surfaces; the two end covers are respectively provided with at least one groove, the grooves cover the openings of two adjacent channels at corresponding positions, and the grooves on one end cover and the grooves on the other end cover are arranged in a staggered manner, so that the channels are communicated with each other to form a serpentine passage;

the two interfaces respectively penetrate through the end covers at the positions of the two ports to be communicated with the snake-shaped passage.

8. The heat exchange device according to claim 7, further comprising two end plates respectively located between the end cover and the heat exchange fins, wherein the end plates are provided with second flanging holes corresponding to the first flanging holes one by one, a second flange of the second flanging hole on one end plate is inserted into a first flange of the adjacent heat exchange fin, a first flange of the heat exchange fin adjacent to the other end plate is inserted into a second flange of the other end plate, and a portion of the end plate located between the adjacent second flanging holes is attached to the end cover at a corresponding position.

9. The heat exchange device of claim 8, wherein an orthographic projection of the groove on the heat exchange fin is rounded rectangle and/or oblong.

10. The heat exchange device according to any one of claims 6 to 9, wherein the distance between two adjacent heat exchange fins is 1mm to 10mm, the distance between the contact areas of two adjacent first flanges in the direction away from the first surface is 0.1mm to 1mm, and the thickness of the first flange is 0.3mm to 1.0 mm.

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