CN216159689U - Heat exchanger - Google Patents

Abstract

The present invention provides a heat exchanger, comprising: the first heat exchange part comprises a first collecting pipe and a plurality of first flat pipes which are connected with each other, and the first flat pipes are arranged at intervals along a first preset direction; the second heat exchange part is connected with the first heat exchange part and comprises a second collecting pipe and a plurality of second flat pipes which are connected with each other, the second flat pipes are arranged at intervals along a second preset direction, and a preset angle is formed between the first preset direction and the second preset direction; and the third heat exchange part is arranged at the end parts of the first heat exchange part and the second heat exchange part, and the first heat exchange part, the second heat exchange part and the third heat exchange part are enclosed to form an air channel. Through the technical scheme provided by the utility model, the technical problem of poor heat exchange performance of the A-type heat exchanger in the prior art can be solved.

Description

Heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger.

Background

At present, in order to install and keep out the wind to the conventional heat exchanger of bending among the prior art, generally at A type heat exchanger (also be V type heat exchanger, this heat exchanger includes flat pipe of first heat transfer and the flat pipe of second heat transfer, and the flat pipe of first heat transfer and the flat pipe of second heat transfer are predetermined angle setting in order to form A type or V type structure, and have between the flat pipe of first heat transfer and the flat pipe of second heat transfer triangle interval) the side shelters from with the sheet metal component.

However, by adopting the structure, the occupied space is large, the space is wasted, the structure is not compact enough, the heat exchange area is limited, and the heat exchange performance cannot be effectively improved.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a heat exchanger to solve the technical problem that an A-type heat exchanger in the prior art is poor in heat exchange performance.

In order to achieve the above object, the present invention provides a heat exchanger comprising: the first heat exchange part comprises a first collecting pipe and a plurality of first flat pipes which are connected with each other, and the first flat pipes are arranged at intervals along a first preset direction; the second heat exchange part is connected with the first heat exchange part and comprises a second collecting pipe and a plurality of second flat pipes which are connected with each other, the second flat pipes are arranged at intervals along a second preset direction, and a preset angle is formed between the first preset direction and the second preset direction; and the third heat exchange part is arranged at the end parts of the first heat exchange part and the second heat exchange part, and the first heat exchange part, the second heat exchange part and the third heat exchange part are enclosed to form an air channel.

Furthermore, an installation interval is arranged between the first heat exchange part and the second heat exchange part, and the third heat exchange part is positioned in the installation interval.

Furthermore, the installation interval is a triangular interval, the third heat exchanging part is of a triangular structure or a trapezoidal structure matched with the installation interval, and at least part of the third heat exchanging part is attached to the first heat exchanging part and the second heat exchanging part.

Furthermore, an included angle between the first heat exchange part and the second heat exchange part forms a vertex angle of a triangular interval, and the vertex angle of the triangular interval is the same as that of the triangular structure.

Further, the third heat exchange portion comprises a third flat pipe, the third flat pipe is provided with a plurality of bending pipe sections which are connected in sequence, and the heights of the bending pipe sections which are connected in sequence are increased progressively or are gradually decreased so that the edges of the bending pipe sections which are connected in sequence enclose a triangular structure.

Further, the third flat pipe is a plurality of, and a plurality of third flat pipes set up along the direction of height interval.

Further, the inlet end of a plurality of third flat pipes is connected, and the outlet end of a plurality of third flat pipes is connected.

Further, the third heat transfer portion includes a plurality of flat pipes of third, and a plurality of flat pipes of third set up along the extending direction interval of first heat transfer portion to second heat transfer portion, and each flat pipe of third all has a plurality of pipe sections of bending that connect gradually, and the height of the pipe section of bending of a plurality of flat pipes of third increases progressively earlier or sets gradually progressively so that the edge of a plurality of flat pipes of third encloses into the triangle-shaped structure.

Further, the inlet end of a plurality of third flat pipes is connected, and the outlet end of a plurality of third flat pipes is connected.

Further, the third heat exchanging portion further includes: the inlet connecting pipe extends along the extending direction from the first heat exchanging part to the second heat exchanging part, and the inlet ends of the third flat pipes are connected with the inlet connecting pipe; and/or the outlet connecting pipe extends along the extending direction from the first heat exchanging part to the second heat exchanging part, and the outlet ends of the third flat pipes are connected with the outlet connecting pipe.

By applying the technical scheme of the utility model, the first heat exchanging part, the second heat exchanging part and the third heat exchanging part are enclosed to form the air channel, so that the third heat exchanging part can effectively play a role of wind shielding, and the first heat exchanging part, the second heat exchanging part and the third heat exchanging part can exchange heat, the whole heat exchanging area is increased, the heat exchanging performance is improved, the space is effectively utilized, and the compactness of the space layout is improved. In addition, the mode that the first heat exchange part and the second heat exchange part are connected through the connecting pipe is adopted, so that the first flat pipe of the first heat exchange part can be a long straight pipe section, and the second flat pipe of the second heat exchange part is also a long straight pipe section, and the structure of the pipe section is simple without bending.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;

FIG. 2 shows a top view of FIG. 1;

FIG. 3 illustrates a schematic diagram of another angle of a heat exchanger according to an embodiment of the present invention;

FIG. 4 shows a left side view of FIG. 3;

fig. 5 is a schematic structural view illustrating a third heat exchanging part of the heat exchanger according to the first embodiment of the present invention;

FIG. 6 shows a front view of FIG. 5;

FIG. 7 shows a left side view of FIG. 5;

FIG. 8 shows a top view of FIG. 5;

FIG. 9 is a schematic structural diagram of a heat exchanger provided according to a second embodiment of the present invention;

FIG. 10 is a schematic view of another angle of the heat exchanger according to the second embodiment of the present invention;

FIG. 11 shows a left side view of FIG. 10;

fig. 12 is a schematic structural view illustrating a third heat exchanging part of the heat exchanger according to the second embodiment of the present invention;

FIG. 13 shows a front view of FIG. 12;

FIG. 14 shows a left side view of FIG. 12;

fig. 15 shows a top view of fig. 12.

Wherein the figures include the following reference numerals:

10. a first heat exchanging portion; 11. a first flat tube; 12. a first header; 20. a second heat exchanging portion; 21. a second flat tube; 22. a second header; 30. a third heat exchanging portion; 31. a third flat tube; 32. an inlet connection pipe; 33. an outlet connection pipe; 34. a third header pipe; 40. and connecting the connecting pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 15, an embodiment of the present invention provides a heat exchanger, which includes a first heat exchanging portion 10, a second heat exchanging portion 20, and a third heat exchanging portion 30, wherein the first heat exchanging portion 10 includes a first collecting pipe 12 and a plurality of first flat pipes 11 connected to each other, and the plurality of first flat pipes 11 are arranged at intervals along a first preset direction. The second heat exchanging part 20 is connected with the first heat exchanging part 10, the second heat exchanging part 20 comprises a second collecting pipe 22 and a plurality of second flat pipes 21 which are connected with each other, the plurality of second flat pipes 21 are arranged at intervals along a second preset direction, and a preset angle is formed between the first preset direction and the second preset direction; the third heat exchanging part 30 is disposed at the end portions of the first heat exchanging part 10 and the second heat exchanging part 20, and the first heat exchanging part 10, the second heat exchanging part 20, and the third heat exchanging part 30 enclose to form an air duct. It should be noted that the air duct herein refers to the main flow channel of the air entering the heat exchanger. Specifically, the first heat exchanging portion 10, the second heat exchanging portion 20, and the third heat exchanging portion 30 are all connected by a connection pipe 40.

Adopt the heat exchanger that this embodiment provided, through enclosing first heat transfer portion 10, second heat transfer portion 20 and third heat transfer portion 30 and close and form the wind channel, like this, can enough make third heat transfer portion 30 can effectively play the effect of keeping out the wind, can make first heat transfer portion 10, second heat transfer portion 20 and third heat transfer portion 30 homoenergetic again and exchange heat, whole heat transfer area has been increased, heat transfer performance is improved, the space has effectively been utilized, the compactness of spatial layout has been improved. In addition, the first heat exchanging portion 10 and the second heat exchanging portion 20 are connected by the connecting pipe 40, so that the first flat pipes 11 of the first heat exchanging portion 10 can be all long straight pipe sections, the second flat pipes 21 of the second heat exchanging portion 20 can also be long straight pipe sections, and the structure of the pipe sections is simple without bending. Therefore, through the heat exchanger that this embodiment provided, can solve the relatively poor technical problem of heat transfer performance of the A type heat exchanger among the prior art.

Specifically, in the present embodiment, an installation section is provided between the first heat exchanging part 10 and the second heat exchanging part 20, and the third heat exchanging part 30 is located in the installation section. By adopting the installation mode, the installation position of the third heat exchanging part 30 can be further optimized, so that the overall structural layout of the third heat exchanging part 30 is optimized, the overall heat exchanging area of the heat exchanger can be effectively increased, and the heat exchanging performance is improved.

In the present embodiment, the installation section is a triangular section, the third heat exchanging portion 30 has a triangular structure or a trapezoidal structure adapted to the installation section, and at least a portion of the third heat exchanging portion 30 is attached to the first heat exchanging portion 10 and the second heat exchanging portion 20. By adopting the structure, the wind shielding performance can be improved conveniently, the stability of the third heat exchanging part 30 is improved, the structure layout is optimized, and the compactness of the structure layout is improved. In order to make more sufficient use of the heat exchange space of the heat exchanger and effectively function as a wind shield, the third heat exchanging portion 30 may be configured to have a shape and size that completely correspond to the angle between the first heat exchanging portion 10 and the second heat exchanging portion 20, so as to make full use of the space and function as a wind shield.

Specifically, in this embodiment, an included angle between the first heat exchanging portion 10 and the second heat exchanging portion 20 forms a vertex angle of a triangular interval, and the vertex angle of the triangular interval is the same as the vertex angle of the triangular structure. With the adoption of the structure, the third heat exchanging part 30 can be filled in the installation area better, so that the blocking effect is better achieved, and the wind shielding effect is effectively achieved.

In the first embodiment, the third heat exchanging portion 30 includes the third flat pipe 31, the third flat pipe 31 has a plurality of bending pipe sections connected in sequence, and the heights of the bending pipe sections connected in sequence are first gradually increased or gradually decreased so that the edges of the bending pipe sections connected in sequence enclose a triangular structure. By adopting the structure, the structure is simple, a triangular structure is convenient to form, and the production and the manufacture are convenient; and the resistance to the flow of the refrigerant in the third heat exchanging portion 30 can be reduced.

Preferably, third flat pipe 31 is a plurality of in this embodiment, and a plurality of third flat pipes 31 set up along the direction of height interval, can be convenient for like this reduce the interval between the bending pipeline section to improve heat exchange efficiency, and effectively keep out the wind. Specifically, the projections of the third flat tubes 31 in the height direction have overlapping regions, so that the better wind shielding effect can be achieved, and heat exchange is effectively performed.

Specifically, a third fin is disposed between the plurality of third flat tubes 31 in this embodiment.

In this embodiment, the inlet ends of the third flat tubes 31 are connected, and the outlet ends of the third flat tubes 31 are connected, so as to manage the inflow and outflow of the third flat tubes 31. Specifically, the third heat exchanging portion 30 in this embodiment includes a third collecting pipe 34, the inlet ends of a plurality of third flat pipes 31 are connected by one third collecting pipe 34, and the outlet ends of a plurality of third flat pipes 31 are connected by another third collecting pipe 34.

The second embodiment of the present invention provides a heat exchanger, and the heat exchanger in the second embodiment is different from the heat exchanger in the first embodiment in the structure of the third heat exchanging part 30. Specifically, the third heat exchanging portion 30 in this embodiment includes a plurality of third flat tubes 31, the third flat tubes 31 are arranged at intervals along the extending direction from the first heat exchanging portion 10 to the second heat exchanging portion 20, each third flat tube 31 has a plurality of bending tube sections connected in sequence, and the heights of the bending tube sections of the third flat tubes 31 are increased or decreased first to make the edges of the third flat tubes 31 form a triangular structure. By adopting the structure, the structure is simple, the triangular structure is convenient to form, and the production and the manufacturing are convenient. Further, the flow resistance of the refrigerant in the single third flat tube 31 can be reduced.

Specifically, the inlet end of the flat tubes 31 of the plurality of third in this embodiment is connected, and the outlet end of the flat tubes 31 of the plurality of third is connected, so that the inlet flow is concentrated to the inlet ends of the flat tubes 31 of the plurality of third, and the outlet ends of the flat tubes 31 of the plurality of third are concentrated and recovered.

In this embodiment, the third heat exchanging portion 30 further includes an inlet connection pipe 32, the inlet connection pipe 32 extends along the extending direction of the first heat exchanging portion 10 to the second heat exchanging portion 20, and the inlet ends of the plurality of third flat tubes 31 are all connected to the inlet connection pipe 32; and/or the third heat exchanging portion 30 further includes an outlet connection pipe 33, the outlet connection pipe 33 extends along the extending direction of the first heat exchanging portion 10 to the second heat exchanging portion 20, and outlet ends of the plurality of third flat tubes 31 are connected to the outlet connection pipe 33.

Preferably, the third heat exchanging portion 30 in this embodiment includes an inlet connection pipe 32 and an outlet connection pipe 33, the inlet connection pipe 32 extends along an extending direction of the first heat exchanging portion 10 to the second heat exchanging portion 20, and inlet ends of the plurality of third flat tubes 31 are all connected to the inlet connection pipe 32, so as to collectively provide the refrigerant to the plurality of third flat tubes 31 through the inlet connection pipe 32 and collectively recover the refrigerant in the plurality of third flat tubes 31 through the outlet connection pipe 33.

The utility model adopts two single-piece non-bending heat exchangers (comprising a first heat exchanging part 10 and a second heat exchanging part 20) and connects the two single-piece non-bending heat exchangers into a V shape by a connecting pipe 40, solves the inherent structural defect of the application of the bending heat exchanger, and simultaneously increases a pipe belt type heat exchanger (a third heat exchanging part 30) on the V-shaped side edge connected with two single-row heat exchangers, further increases the effective heat exchanging area, improves the heat exchanging efficiency, and has compact structure and high space utilization rate.

Specifically, the two single rows of heat exchangers in the embodiment are connected into a V shape by connecting pipes without bent sections; and the V-shaped side edge is filled with the tube-and-strip heat exchanger, so that the heat exchange area is increased, and the wind shield effect can be realized.

In order to reduce the refrigerant circulation resistance in the tube-band heat exchanger in the first embodiment, three flat tubes may be overlapped and bent into a triangle, and the triangle may be connected in parallel with the V-shaped single-row heat exchanger, and optionally, in a limited space on the V-shaped side, two or four flat tubes may be overlapped and bent into a triangle, and other shapes such as a trapezoid may be adopted, so as to reduce the flow resistance, and the triangle may be connected with the V-shaped single-row heat exchanger.

In the second embodiment, in order to reduce the refrigerant circulation resistance in the tube-band heat exchanger, the flat tube may be bent into a triangle shape by dividing the flat tube into three inlet and outlet paths, and connected to the V-shaped single-row heat exchanger, or alternatively, may be bent into a triangle shape or a trapezoid shape by dividing the flat tube into two or four paths.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: increase effective heat exchange area, improve heat exchange efficiency, and compact structure, space utilization is high.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A heat exchanger, comprising:

the heat exchanger comprises a first heat exchange part (10), wherein the first heat exchange part (10) comprises a first collecting pipe (12) and a plurality of first flat pipes (11) which are connected with each other, and the plurality of first flat pipes (11) are arranged at intervals along a first preset direction;

the second heat exchanging part (20) is connected with the first heat exchanging part (10), the second heat exchanging part (20) comprises a second collecting pipe (22) and a plurality of second flat pipes (21) which are connected with each other, the second flat pipes (21) are arranged at intervals along a second preset direction, and a preset angle is formed between the first preset direction and the second preset direction;

and a third heat exchanging part (30) disposed at ends of the first heat exchanging part (10) and the second heat exchanging part (20), wherein the first heat exchanging part (10), the second heat exchanging part (20), and the third heat exchanging part (30) enclose to form an air duct.

2. The heat exchanger according to claim 1, wherein the first heat exchanging portion (10) and the second heat exchanging portion (20) have an installation section therebetween, and the third heat exchanging portion (30) is located within the installation section.

3. The heat exchanger according to claim 2, wherein the mounting section is a triangular section, the third heat exchanging portion (30) has a triangular structure or a trapezoidal structure adapted to the mounting section, and at least a portion of the third heat exchanging portion (30) is attached to the first heat exchanging portion (10) and the second heat exchanging portion (20).

4. A heat exchanger according to claim 3, wherein an included angle between the first heat exchanging portion (10) and the second heat exchanging portion (20) forms a vertex angle of the triangular section, which is the same as the vertex angle of the triangular structure.

5. The heat exchanger according to claim 3, wherein the third heat exchanging portion (30) comprises a third flat pipe (31), the third flat pipe (31) has a plurality of sequentially connected bent pipe sections, and the heights of the plurality of sequentially connected bent pipe sections are increased or decreased gradually to enable the edges of the plurality of sequentially connected bent pipe sections to enclose the triangular structure.

6. The heat exchanger according to claim 5, wherein the third flat tubes (31) are plural, and the plural third flat tubes (31) are arranged at intervals in the height direction.

7. The heat exchanger according to claim 6, characterized in that a plurality of the third flat tubes (31) are connected at their inlet ends and a plurality of the third flat tubes (31) are connected at their outlet ends.

8. The heat exchanger according to claim 3, characterized in that the third heat exchanging portion (30) comprises a plurality of third flat tubes (31), the plurality of third flat tubes (31) are arranged at intervals along the extending direction of the first heat exchanging portion (10) to the second heat exchanging portion (20), each third flat tube (31) is provided with a plurality of sequentially connected bent tube sections, and the heights of the bent tube sections of the plurality of third flat tubes (31) are firstly increased or decreased progressively so that the edges of the plurality of third flat tubes (31) form the triangular structure.

9. The heat exchanger according to claim 8, characterized in that a plurality of the third flat tubes (31) are connected at their inlet ends and a plurality of the third flat tubes (31) are connected at their outlet ends.

10. The heat exchanger according to claim 9, wherein the third heat exchanging portion (30) further comprises:

the inlet connecting pipe (32) extends along the extending direction from the first heat exchanging part (10) to the second heat exchanging part (20), and the inlet ends of the third flat pipes (31) are connected with the inlet connecting pipe (32); and/or the presence of a gas in the gas,

an outlet connecting pipe (33), wherein the outlet connecting pipe (33) extends along the extending direction from the first heat exchanging part (10) to the second heat exchanging part (20), and the outlet ends of the third flat pipes (31) are connected with the outlet connecting pipe (33).

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