CN212390890U - Flat heat exchange tube, heat exchanger and air conditioner - Google Patents

Abstract

The utility model provides a flat pipe of heat transfer, heat exchanger and air conditioner, the flat pipe of heat transfer includes: a main body section having oppositely disposed first and second ends; the first communication section is arranged at the first end of the main body section, the flow area of the first communication section is smaller than that of the main body section, and the first communication section is positioned on the side part of the main body section; and the second communication section is arranged at the second end of the main body section, the flow area of the second communication section is smaller than that of the main body section, and the second communication section is positioned on the side part of the main body section. Through the utility model provides a technical scheme can optimize the structural layout of the double flow path heat exchanger among the prior art.

Description

Flat heat exchange tube, heat exchanger and air conditioner

Technical Field

The utility model relates to a indirect heating equipment technical field particularly, relates to a flat pipe of heat transfer, heat exchanger and air conditioner.

Background

At present, the microchannel heat exchanger has light weight and less refrigerant filling amount, and compared with a common copper tube fin heat exchanger, the microchannel heat exchanger has low cost, so that the microchannel heat exchanger is widely applied. The multi-flow-path heat exchanger in the micro-channel heat exchanger can realize the energy exchange of various flow paths, so that the corresponding flow path mode can be selected according to the actual working requirement.

For a two-flow heat exchanger, three different flow path patterns can be achieved. However, in order to facilitate the installation of the double-flow-path heat exchanger in the prior art, the heat exchange flat tube of the heat exchanger in the double-flow-path is generally set to be of a bending structure, and the bending structure is used for avoiding collecting pipes of other leakage. However, the overall structure of the double-flow-path heat exchanger in the prior art is loose, the space layout is not compact enough, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a flat pipe of heat transfer, heat exchanger and air conditioner to optimize the structural layout of the double flow path heat exchanger among the prior art.

In order to achieve the above object, according to the utility model discloses an aspect provides a flat pipe of heat transfer, include: a main body section having oppositely disposed first and second ends; the first communication section is arranged at the first end of the main body section, the flow area of the first communication section is smaller than that of the main body section, and the first communication section is positioned on the side part of the main body section; and the second communication section is arranged at the second end of the main body section, the flow area of the second communication section is smaller than that of the main body section, and the second communication section is positioned on the side part of the main body section.

Further, the main body section has a first side and a second side which are oppositely arranged, and the first communicating section and the second communicating section are both arranged close to the first side.

Further, the main body section has a first side and a second side which are oppositely arranged, the first communicating section is arranged near the first side, and the second communicating section is arranged near the second side.

Further, the flat heat exchange tube further comprises: one end of the first transition section is connected with the main body section, and the other end of the first transition section is connected with the first communication section; along the extending direction of the main body section to the first communicating section, the flow area of the first transition section is gradually reduced.

Further, the first transition section is provided with a first side edge and a second side edge which are oppositely arranged, and the first side edge and the second side edge are obliquely arranged at a preset angle.

Further, the first transition section includes: a body portion; the drainage convex hull is arranged on the body part and is of a waist-shaped structure.

Further, the flat heat exchange tube further comprises: one end of the second transition section is connected with the main body section, and the other end of the second transition section is connected with the second communicating section; the flow area of the second transition section is gradually reduced along the extension direction from the main body section to the second communication section.

According to the utility model discloses an on the other hand provides a heat exchanger, and the heat exchanger includes: the heat exchange flat tubes are arranged at intervals and are provided for the heat exchange flat tubes; the flow collecting structure is communicated with the flow collecting structure through a plurality of heat exchange flat pipes.

Further, the current collecting structure includes: the first collecting component comprises a first inlet pipe and a first outlet pipe, and the first inlet pipe and the first outlet pipe are oppositely arranged at two ends of the heat exchange flat pipe; the second current collecting assembly comprises a second inlet pipe and a second outlet pipe, the second inlet pipe and the first inlet pipe are located at the same end of the heat exchange flat pipe, and the second outlet pipe and the first outlet pipe are located at the same end of the heat exchange flat pipe.

According to the utility model discloses an on the other hand provides an air conditioner, and the air conditioner includes the heat exchanger, and the heat exchanger is the above-mentioned heat exchanger that provides.

Use the technical scheme of the utility model, be provided with first intercommunication end through the first end at the main part section, be provided with second intercommunication section at the second end of main part section, first intercommunication section and second intercommunication section all adopt throat structure to set up to make first intercommunication section and second intercommunication section all be located the lateral part of main part section. The heat exchange flat tube with the structure is applied to the double-flow-path heat exchanger, and the first communicating section and the second communicating section are only eccentrically arranged, so that the installation distance between the collecting pipes can be reduced after the collecting pipes are installed, the overall structure size of the heat exchanger can be reduced through the structure of the flat tube, and the compactness of the structural layout is convenient to improve. Therefore, through the utility model provides a technical scheme can optimize the structural layout of the double-flow heat exchanger among the prior art.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a heat exchange flat tube according to an embodiment of the present invention;

fig. 2 shows a front view of a heat exchange flat tube according to an embodiment of the present invention;

FIG. 3 shows a partial enlarged view of FIG. 2;

FIG. 4 shows a view from the direction A-A in FIG. 2;

fig. 5 shows a schematic structural diagram of a heat exchange flat tube according to a second embodiment of the present invention;

fig. 6 shows a front view of a heat exchange flat tube according to a second embodiment of the present invention;

FIG. 7 shows a partial enlarged view of FIG. 6;

FIG. 8 shows a view along B-B in FIG. 6;

fig. 9 is a schematic structural diagram of a heat exchanger using the heat exchange flat tubes in the first embodiment;

fig. 10 shows an exploded view of a heat exchanger using heat exchange flat tubes according to the first embodiment;

fig. 11 is a front view of a heat exchanger using the flat heat exchange tubes in the first embodiment;

fig. 12 is a top view of a heat exchanger using flat heat exchange tubes according to the first embodiment;

fig. 13 is a left side view of a heat exchanger using the flat heat exchange tubes in the first embodiment;

fig. 14 is an exploded view of a heat exchanger using the flat heat exchange tubes in the second embodiment;

fig. 15 is a front view of a heat exchanger using the flat heat exchange tubes in the second embodiment;

fig. 16 is a top view of a heat exchanger using flat heat exchange tubes according to the second embodiment;

fig. 17 is a left side view of a heat exchanger using the flat heat exchange tubes in the second embodiment.

Wherein the figures include the following reference numerals:

10. a main body section; 20. a first communication section; 30. a second communicating section; 40. a first transition section; 41. a body portion; 42. drainage convex hulls; 50. a second transition section; 61. a first inlet pipe; 62. a first outlet pipe; 71. a second inlet pipe; 72. a second outlet pipe; 80. heat exchange flat tubes; 90. a side plate; 100. and a fin.

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 accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, the first embodiment of the present invention provides a heat exchange flat tube 80, where the heat exchange flat tube 80 includes a main body section 10, a first communicating section 20 and a second communicating section 30, and the main body section 10 has a first end and a second end which are oppositely disposed. The first communicating section 20 is disposed at a first end of the main body section 10, the flow area of the first communicating section 20 is smaller than that of the main body section 10, and the first communicating section 20 is located at a side portion of the main body section 10. The second communicating section 30 is disposed at a second end of the main body section 10, the flow area of the second communicating section 30 is smaller than that of the main body section 10, and the second communicating section 30 is located at a side portion of the main body section 10.

Specifically, the first communicating section 20 and the second communicating section 30 are both arranged in a necking structure. The extending direction of one side edge of the first communicating section 20 is the same as the extending direction of one side edge of the main body section 10, and the other side edge of the first communicating section 20 is located between the two side edges of the main body section 10, so that the first communicating section 20 is in an eccentric arrangement structure. One side edge of the second communicating section 30 is in the same extending direction with one side edge of the main body section 10, and the other side edge of the second communicating section 30 is located between the two side edges of the main body section 10, so that the second communicating section 30 is also in an eccentric arrangement structure. By adopting the arrangement mode, the appearance of the heat exchange flat tube 80 can be optimized conveniently. Simultaneously, install the back on flat heat transfer pipe 80 with the pressure manifold, on the one hand because the structure of flat heat transfer pipe 80 self can make holistic structural configuration compact, on the other hand adopts eccentric formula to set up the structure and can reduce the distance between two adjacent pressure manifolds of homonymy, and then has improved structural configuration's compact better, has optimized overall structure's structural configuration.

Specifically, the main body segment 10 in this embodiment may be a strip structure, and along the extending direction of the strip structure, the main body segment 10 has a first end and a second end which are oppositely arranged. The body segment 10 has a first side and a second side arranged opposite to each other in a direction perpendicular to the extension direction of the strip-shaped structures.

In the present embodiment, the first communicating section 20 and the second communicating section 30 may be disposed close to the same side of the main body section 10, that is, the first communicating section 20 and the second communicating section 30 may be disposed close to the first side of the main body section 10, or the first communicating section 20 and the second communicating section 30 may be disposed close to the second side of the main body section 10. Adopt such heat transfer flat pipe 80, in the installation of double-flow-path heat exchanger, can divide heat transfer flat pipe 80 into two kinds of different mounting methods, first intercommunication section 20 and second intercommunication section 30 of a kind of heat transfer flat pipe 80 all are located the first side of main part section 10, first intercommunication section 20 and second intercommunication section 30 of another kind of heat transfer flat pipe 80 all are located the second side of main part section 10, these two kinds of heat transfer flat pipe 80 carry out interval staggered arrangement in proper order, thus, make a kind of heat transfer flat pipe 80 can form a flow path mode through two pressure manifolds, heat transfer flat pipe 80 also can form a flow path mode through two pressure manifolds in another, the clearance that is located between the pressure manifolds of same side is less, compact structure, and the structure is orderly and regular, and convenient for install, overall structure's overall arrangement has also been optimized better.

As shown in fig. 5 to 8, the second embodiment of the present invention provides a heat exchange flat tube 80, and the structural difference between the heat exchange flat tube 80 and the heat exchange flat tube 80 in the first embodiment lies in that the setting positions of the first communicating section 20 and the second communicating section 30 are different. The first communicating section 20 and the second communicating section 30 in this embodiment are respectively located at different sides of the main body section 10, specifically, the first communicating section 20 is located near the first side, and the second communicating section 30 is located near the second side. Specifically, flat heat transfer pipe 80 in this embodiment can be symmetrical structure, when the installation, this flat heat transfer pipe 80 has the mounting form of two kinds of differences, adopt the mounting means of these two kinds of differences between two adjacent flat heat transfer pipes 80, after flat heat transfer pipe 80 in these two flat heat transfer pipes 80 installed, the mounting means of next flat heat transfer pipe 80 is the structure after the upset of last flat heat transfer pipe 80, thus, can make the setting of staggering of first communication section 20 of two adjacent flat heat transfer pipes 80 smoothly, so that install the pressure manifold of two different flow paths at flat heat transfer pipe 80's same end, and simultaneously, avoid the clearance between the pressure manifold of these two different flow paths too big, be favorable to improving overall structure's compactedness, the structure is whole regular simultaneously, be convenient for install, overall structure's overall arrangement has also been optimized better.

In the above two embodiments, the heat exchange flat tubes 80 each include the first transition section 40, one end of the first transition section 40 is connected to the main body section 10, and the other end of the first transition section 40 is connected to the first communicating section 20. The flow area of the first transition section 40 decreases gradually in the extension direction of the main body section 10 to the first communication section 20. With such a structure, the heat exchange medium passing through the first connecting section or the main body section 10 can be guided conveniently, and the inflow pressure or the outflow pressure of the heat exchange medium can be increased.

Specifically, in the above two embodiments, the first transition section 40 has the first side edge and the second side edge which are oppositely arranged, and the first side edge and the second side edge are obliquely arranged at a predetermined angle. First side and second side are the straight flange structure, because first side and second side are predetermined angle setting, can make the flow area of first changeover portion 40 be the gradual change form like this to play the drainage effect better, avoid flow area to appear sharp change and lead to the unstable condition of circulation of the heat transfer medium in the flat pipe 80 of heat transfer.

In order to better improve the flow guiding effect, the first transition section 40 includes a body portion 41 and a flow guiding convex hull 42, the flow guiding convex hull 42 is disposed on the body portion 41, and the flow guiding convex hull 42 is of a kidney-shaped structure. The extending direction of the waist-shaped structure is consistent with the extending direction of the main body section 10, so that the flow guiding effect is effectively improved, and the heat exchange medium in the first connecting section smoothly flows into the main body section 10 after passing through the waist-shaped structure. Specifically, the drainage convex hulls 42 can be multiple, and the drainage convex hulls 42 are arranged at intervals to better play a role in guiding flow.

In the above embodiment, the heat exchanging flat tube 80 further includes the second transition section 50, one end of the second transition section 50 is connected to the main body section 10, and the other end of the second transition section 50 is connected to the second communicating section 30. The flow area of the second transition section 50 decreases gradually in the direction of extension of the main body section 10 to the second communication section 30. With such a structure, the heat exchange medium passing through the second transition section 50 or the main body section 10 can be guided conveniently, and the inflow pressure or the outflow pressure of the heat exchange medium can be increased.

Specifically, in the above-described embodiment, the structure of the first connection section may be the same as that of the second connection section, and the structure of the first transition section 40 may be the same as that of the second transition section 50.

As shown in fig. 9 to 17, the third embodiment of the present invention provides a heat exchanger, which includes a heat exchange flat tube 80 and a current collecting structure, wherein the heat exchange flat tubes 80 are arranged at intervals, and the heat exchange flat tubes 80 are the heat exchange flat tubes 80 provided by the first embodiment or the second embodiment. The plurality of heat exchange flat tubes 80 are all communicated with the flow collecting structure to form a double-flow-path structure. The heat exchanger in the embodiment is a double-flow-path structure, the double-flow-path structure has three flow path modes, and two flow paths can be opened simultaneously or only one flow path can be opened. When only one of the flow paths is opened, the heat exchange area can be utilized to the maximum extent, and the heat exchange efficiency is improved. By adopting the heat exchanger provided in the embodiment, the structure is compact and the layout is reasonable.

Specifically, the current collecting structure in this embodiment includes a first current collecting assembly and a second current collecting assembly, the first current collecting assembly includes a first inlet tube 61 and a first outlet tube 62, and the first inlet tube 61 and the first outlet tube 62 are oppositely disposed at two ends of the heat exchange flat tube 80. The second collecting assembly comprises a second inlet pipe 71 and a second outlet pipe 72, the second inlet pipe 71 and the first inlet pipe 61 are located at the same end of the heat exchange flat pipe 80, and the second outlet pipe 72 and the first outlet pipe 62 are located at the same end of the heat exchange flat pipe 80. The first inlet pipe 61, the first outlet pipe 62, the second inlet pipe 71 and the second outlet pipe 72 may be all collecting pipes, and the collecting pipes may be conventional round pipes or B-type collecting pipes. The heat exchanger in this embodiment also includes an edge plate 90 and fins 100.

As shown in fig. 9 to 13, when the flat heat exchange tube 80 according to the first embodiment is used, the first inlet pipe 61 and the first outlet pipe 62 are located on the same side of the flat heat exchange tube 80, and the second inlet pipe 71 and the second outlet pipe 72 are also located on the same side of the flat heat exchange tube 80.

As shown in fig. 14 to 17, when the heat exchange flat tubes 80 according to the second embodiment are used, the first inlet tubes 61 and the first outlet tubes 62 are located on opposite sides of the heat exchange flat tubes 80, and the second inlet tubes 71 and the second outlet tubes 72 are also located on opposite sides of the heat exchange flat tubes 80, so that the tubes of the whole current collecting structure are in a staggered structure.

The embodiment four of the utility model provides an air conditioner, this air conditioner include the heat exchanger, and the heat exchanger is the heat exchanger that provides in the embodiment three.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the compactness of the structural layout of the double-flow-path heat exchanger is improved, and the layout of the whole structure is optimized.

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 exchange flat tube, comprising:

a main body segment (10), the main body segment (10) having a first end and a second end arranged oppositely;

a first communication section (20) arranged at a first end of the main body section (10), the first communication section (20) having a smaller flow area than the main body section (10), the first communication section (20) being located at a side of the main body section (10);

a second communicating section (30) arranged at a second end of the main body section (10), the second communicating section (30) having a smaller flow area than the main body section (10), the second communicating section (30) being located at a side of the main body section (10).

2. Heat exchanger flat tube according to claim 1, characterized in that the main body section (10) has a first side and a second side arranged opposite each other, the first communication section (20) and the second communication section (30) being arranged adjacent to the first side.

3. Heat exchanger flat tube according to claim 1, characterized in that the main body section (10) has a first side and a second side arranged opposite to each other, the first communication section (20) being arranged adjacent to the first side and the second communication section (30) being arranged adjacent to the second side.

4. The flat heat exchange tube of claim 1, further comprising:

a first transition section (40), one end of the first transition section (40) is connected with the main body section (10), and the other end of the first transition section (40) is connected with the first communication section (20); the flow area of the first transition section (40) decreases gradually along the extension direction of the main body section (10) to the first communication section (20).

5. The heat exchange flat tube according to claim 4, wherein the first transition section (40) has a first side edge and a second side edge which are oppositely arranged, and the first side edge and the second side edge are obliquely arranged at a predetermined angle.

6. The heat exchanger flat tube according to claim 4, characterized in that the first transition section (40) comprises:

a body part (41);

the drainage convex hull (42) is arranged on the body part (41), and the drainage convex hull (42) is of a waist-shaped structure.

7. The flat heat exchange tube of claim 1, further comprising:

a second transition section (50), one end of the second transition section (50) is connected with the main body section (10), and the other end of the second transition section (50) is connected with the second communication section (30); the flow area of the second transition section (50) is gradually reduced along the extension direction of the main body section (10) to the second communication section (30).

8. A heat exchanger, characterized in that the heat exchanger comprises:

the heat exchange flat tubes are arranged at intervals and are the heat exchange flat tubes in any one of claims 1 to 7;

the flow collecting structure is communicated with the heat exchange flat tubes.

9. The heat exchanger of claim 8, wherein the current collecting structure comprises:

the first collecting assembly comprises a first inlet pipe (61) and a first outlet pipe (62), and the first inlet pipe (61) and the first outlet pipe (62) are oppositely arranged at two ends of the heat exchange flat pipe;

the second collecting assembly comprises a second inlet pipe (71) and a second outlet pipe (72), the second inlet pipe (71) and the first inlet pipe (61) are located at the same end of the heat exchange flat pipe, and the second outlet pipe (72) and the first outlet pipe (62) are located at the same end of the heat exchange flat pipe.

10. An air conditioner characterized in that it comprises a heat exchanger as claimed in claim 8 or 9.

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