Heat exchanger core fin structure

Abstract

The utility model relates to the technical field of heat exchanger core fin structures, in particular to a heat exchanger core fin structure which comprises a base plate, a first heat exchange assembly used for conducting heat exchange on the front face of a fin is arranged on the front face of the base plate, and a second heat exchange assembly used for conducting heat exchange on the back face of the fin is arranged on the back face of the base plate. A cavity is formed in the middle of the base plate in a penetrating mode, and a third heat exchange assembly used for conducting heat exchange on the interiors of the fins is clamped in the cavity. The first heat exchange assembly and the second heat exchange assembly are arranged on the front face and the back face of the base plate of the fin correspondingly, the first heat exchange assembly and the second heat exchange assembly are provided with different heat exchange structures according to different positions of the base plate, the heat exchange effect of the front face and the back face of the fin is improved, the third heat exchange assembly is arranged in the middle of the fin, and the third heat exchange assembly comprises heat exchange pipes and other structures. Coolant and other low-temperature liquid flow in the heat exchange pipe, and the heat exchange efficiency of the middle of the fin is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger core fin structure field, concretely is a kind of heat exchanger core fin structure. BACKGROUND

[0002] Core heat exchanger is a kind of heat exchange device by the heat transfer mode of core, and heat exchanger core is the main heat exchange structure of core heat exchanger, mainly by frame and internal fin, and the structure of fin makes heat flow, increases the heat exchange area of heat exchanger, and plays good heat exchange effect.

[0003] The existing heat exchanger core fin structure such as patent application number "CN202120460289.0" proposes heat exchanger fin and heat exchanger, by setting parallel arrangement's protruding structure on heat exchanger fin body, compared with conventional scattered distribution, from the angle of fluid mechanics, it can reduce the air resistance that new air receives in the process of flowing in the internal air duct of heat exchanger, while it can also have the effect of preventing condensation frost, and it can also increase the heat exchange area to improve the heat exchange effect of heat exchanger.

[0004] However, the prior art has defects, which increases the heat exchange area of fin surface by protruding structure, can only improve the heat exchange effect of fin surface, the fin body has a certain thickness, and the thickness of fin is indirectly increased by increasing protruding structure on the surface, so that heat is easily accumulated in the middle of fin, and the middle heat exchange effect is poor, therefore, a heat exchanger core fin structure is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of heat exchanger core fin structure to solve the problems proposed in the above background art.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of heat exchanger core fin structure, including substrate, the front surface of the substrate is provided with heat exchange assembly one for the heat exchange of fin front surface, the back surface of the substrate is provided with heat exchange assembly two for the heat exchange of fin back surface, the middle part of the substrate is provided with cavity, and the cavity is provided with heat exchange assembly three for the heat exchange of fin inner part.

[0008] Preferably, the heat exchange assembly one includes groove, the groove is provided with multiple groups, multiple groups of grooves are all set on the front surface of the substrate, and the front surface of the substrate is fixedly connected with multiple groups of convex hulls, the shape of multiple groups of convex hulls is all set as oval, and multiple groups of convex hulls are respectively located between multiple groups of grooves.

[0009] Preferably, the front surface of the substrate is provided with four groups of side columns for facilitating positioning and processing of the front surface of the substrate, the four groups of side columns are respectively located at four corner positions of the substrate, the front surface of the substrate is fixedly connected with a plurality of fixing points for facilitating installation of the substrate, the plurality of fixing points are located between the plurality of convex blocks, and the front surface of the substrate is provided with a plurality of flow guide grooves, and the plurality of flow guide grooves are located between the plurality of convex blocks.

[0010] Preferably, the heat exchange assembly two comprises a plurality of protrusions, the plurality of protrusions are fixedly connected to the back surface of the substrate, and the plurality of protrusions are arranged in a rectangular array.

[0011] Preferably, the heat exchange assembly three comprises a heat exchange pipe, the heat exchange pipe is clamped and installed in the cavity, the heat exchange pipe is bent and arranged inside the cavity, and a shaping plate for maintaining the shape of the heat exchange pipe is fixedly connected to the side wall of the heat exchange pipe.

[0012] Preferably, the cavity is inserted with two groups of mounting plates, the heat exchange pipe is fixedly connected with the two groups of mounting plates on both sides, and the two ends of the two groups of mounting plates are fixedly connected with clamping plates for installation with the front surface and the back surface of the substrate.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model discloses a heat exchange assembly one and a heat exchange assembly two are arranged on the front surface and the back surface of the fin substrate respectively, the heat exchange assembly one and the heat exchange assembly two are provided with different heat exchange structures according to the position difference on the substrate, the heat exchange effect of the front surface and the back surface of the fin is increased, and a heat exchange assembly three is arranged in the middle of the fin, the heat exchange assembly three comprises a heat exchange pipe and other structures, a low-temperature liquid such as coolant flows in the heat exchange pipe, and the heat exchange efficiency of the middle of the fin is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can also be obtained by the drawings for the ordinary skilled in the art without creative labor;

[0016] Figure 1 It is the front surface structure schematic view of the fin of the utility model;

[0017] Figure 2 It is the back surface structure schematic view of the fin of the utility model;

[0018] Figure 3 It is the internal structure schematic view of the cavity of the utility model;

[0019] Figure 4 It is Figure 1 The structure enlarged schematic view of A of

[0020] The reference signs in the drawings are as follows:

[0021] 1, base plate; 2, fixed point; 3, side column; 4, groove; 5, convex; 6, cavity; 7, convex; 8, support column; 9, heat exchange pipe; 10, shaping plate; 11, mounting plate; 12, clamping plate; 14, flow guide groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] A heat exchanger core fin structure, as shown in the figure, comprises a base plate 1, the front surface of the base plate 1 is provided with a heat exchange assembly one for heat exchange on the front surface of the fin, the back surface of the base plate 1 is provided with a heat exchange assembly two for heat exchange on the back surface of the fin, a cavity 6 is provided in the middle of the base plate 1, and the heat exchange assembly three for heat exchange inside the fin is clamped in the cavity 6. Figures 1-4 By arranging the heat exchange assembly one and the heat exchange assembly two on the front surface and the back surface of the fin base plate 1 respectively, the heat exchange assembly one and the heat exchange assembly two are arranged with different heat exchange structures according to the positions on the base plate 1, the heat exchange effect of the front surface and the back surface of the fin is increased, the heat exchange assembly three is arranged in the middle of the fin, the heat exchange efficiency of the middle of the fin is improved, the heat exchange effect of the front surface, the back surface and the middle of the heat exchanger core fin is improved, and compared with the heat exchange effect of the surface of the fin being improved only by increasing the heat exchange area of the surface of the fin, the heat exchange effect of the fin is better.

[0024] As shown in the figure,

[0025] , Figure 1 , Figure 4 The heat exchange assembly one comprises grooves 4, the grooves 4 are arranged in multiple groups, the grooves 4 in the multiple groups are all arranged on the front surface of the base plate 1, a plurality of convexes 5 are fixedly connected to the front surface of the base plate 1, the convexes 5 in the multiple groups are all arranged in an elliptical shape, and the convexes 5 in the multiple groups are respectively located between the grooves 4 in the multiple groups.

[0026] The grooves 4 are recessed, the heat exchange area of the front surface of the base plate 1 is increased, the convexes 5 are convex and arranged in order, the heat exchange area is increased, the heat exchange effect of the heat exchanger is improved, and the surface of the fin is prevented from condensing frost, and the fin heat exchange airflow is guided.

[0027] As shown in the figure, Figure 1 , Figure 4As shown, the substrate 1 front surface is provided with four groups of side columns 3 for facilitating the substrate 1 front surface positioning processing, four groups of side columns 3 are respectively located at the four corners of the substrate 1, the substrate 1 front surface is fixedly connected with a plurality of fixing points 2 for facilitating the substrate 1 installation, a plurality of fixing points 2 are located between a plurality of convex hulls 5, a plurality of flow guide grooves 14 are opened on the substrate 1 front surface, and the plurality of flow guide grooves 14 are located between the plurality of convex hulls 5.

[0028] The side column 3 positions the four corners of the substrate 1, facilitates the surface process of the clamping plate 12, prevents the surface process of the clamping plate 12 from shifting, and facilitates the fin installation. The fixing point 2 facilitates the fin side installation, and the flow guide groove 14 guides the condensation on the surface of the substrate 1 and the heat exchange flow.

[0029] As shown in Figure 2 , the heat exchange assembly two includes a plurality of protrusions 7, the plurality of protrusions 7 are fixedly connected to the back surface of the substrate 1, the plurality of protrusions 7 are arranged in a rectangular array, and a plurality of support columns 8 are fixedly connected to the back surface of the substrate 1.

[0030] The orderly arrangement of the protrusions 7 reduces the flow resistance of the heat exchange flow, facilitates the flow of the heat exchange flow on the back surface of the substrate 1, increases the heat exchange area on the back surface of the substrate 1, and improves the heat exchange effect on the back surface of the fin. When a plurality of fins are stacked and installed or placed, the support column 8 increases the space between the plurality of fins, prevents the fins from being damaged due to extrusion, and also increases the heat exchange area on the back surface of the fin.

[0031] As shown in Figure 3 , Figure 4 , the heat exchange assembly three includes a heat exchange pipe 9, the heat exchange pipe 9 is clamped and installed in the cavity 6, the heat exchange pipe 9 is bent and arranged inside the cavity 6, and a shaping plate 10 is fixedly connected to the side wall of the heat exchange pipe 9 for maintaining the shape of the heat exchange pipe 9.

[0032] The heat exchange assembly three includes the heat exchange pipe 9 and other structures, a coolant or other low-temperature liquid flows in the heat exchange pipe 9, absorbs and carries the heat in the middle of the fin, or uses air flow to blow the cold air on the surface of the heat exchange pipe 9, thereby improving the heat exchange efficiency of the middle of the fin. Any space on the side of the bent heat exchange pipe 9 is in communication with the outside air, preventing heat flow accumulation. The shaping plate 10 maintains the shape of the heat exchange pipe 9, and the thickness of the shaping plate 10 is less than the thickness of the cavity 6, so that the space inside the cavity 6 is in communication with the outside.

[0033] As shown in Figure 4 , two groups of mounting plates 11 are inserted into the cavity 6, the two sides of the heat exchange pipe 9 are fixedly connected with the two groups of mounting plates 11, and the two ends of the two groups of mounting plates 11 are fixedly connected with clamping plates 12 for installation on the front and back surfaces of the substrate 1.

[0034] The mounting plate 11 defines the heat exchange pipe 9 installation space, preventing the heat exchange pipe 9 from moving, and the mounting plate 11 is installed and fixed with the substrate 1 through the clamping plate 12.

[0035] The working principle of the fin structure of the heat exchanger core body is as follows:

[0036] By arranging the heat exchange assembly one and the heat exchange assembly two on the front surface and the back surface of the fin base plate 1 respectively, the heat exchange assembly one and the heat exchange assembly two are arranged with different heat exchange structures according to different positions on the fin base plate 1, the heat exchange effect of the front surface and the back surface of the fin is increased, and the heat exchange assembly three is arranged in the middle part of the fin, the heat exchange assembly three comprises a heat exchange pipe 9 and other structures, a coolant or other low-temperature liquid flows in the heat exchange pipe 9, and the heat exchange efficiency of the middle part of the fin is improved.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A heat exchanger core fin structure comprising a base plate (1), characterized in that, The front surface of the substrate (1) is provided with heat exchange assembly one for heat exchange of the fin front surface, the back surface of the substrate (1) is provided with heat exchange assembly two for heat exchange of the fin back surface, the middle part of the substrate (1) is provided with a cavity (6), and the cavity (6) is provided with heat exchange assembly three for heat exchange of the fin inside.

2. The heat exchanger core fin structure of claim 1, wherein The heat exchange assembly one comprises grooves (4), the grooves (4) are provided with multiple groups, the multiple groups of grooves (4) are arranged on the front surface of the substrate (1), the front surface of the substrate (1) is fixedly connected with multiple groups of convex blocks (5), the multiple groups of convex blocks (5) are all arranged in an elliptical shape, and the multiple groups of convex blocks (5) are respectively arranged between the multiple groups of grooves (4).

3. The heat exchanger core fin structure of claim 2, wherein The front surface of the substrate (1) is provided with four groups of side columns (3) for facilitating positioning and processing of the front surface of the substrate (1), the four groups of side columns (3) are respectively arranged at four corner positions of the substrate (1), the front surface of the substrate (1) is fixedly connected with multiple groups of fixing points (2) for facilitating installation of the substrate (1), the multiple groups of fixing points (2) are arranged between the multiple groups of convex blocks (5), the front surface of the substrate (1) is provided with multiple groups of flow guide grooves (14), and the multiple groups of flow guide grooves (14) are arranged between the multiple groups of convex blocks (5).

4. The heat exchanger core fin structure of claim 1, wherein The heat exchange assembly two comprises protrusions (7), the protrusions (7) are provided with multiple groups, the multiple groups of protrusions (7) are fixedly connected to the back surface of the substrate (1), the multiple groups of protrusions (7) are arranged in a rectangular array, the back surface of the substrate (1) is fixedly connected with support columns (8), and the multiple groups of support columns (8) are arranged between the multiple groups of protrusions (7).

5. The heat exchanger core fin structure of claim 1 wherein, The heat exchange assembly three comprises heat exchange pipes (9), the heat exchange pipes (9) are clamped and installed in the cavity (6), the heat exchange pipes (9) are arranged in a curved manner inside the cavity (6), and the side walls of the heat exchange pipes (9) are fixedly connected with shaping plates (10) for maintaining the shape of the heat exchange pipes (9).

6. The heat exchanger core fin structure of Claim 5 wherein, The cavity (6) is inserted with two groups of mounting plates (11), the heat exchange pipes (9) are fixedly connected with the two groups of mounting plates (11) on both sides, and the two ends of the two groups of mounting plates (11) are fixedly connected with clamping plates (12) for mounting the front surface and the back surface of the substrate (1).

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