CN216159683U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
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- CN216159683U CN216159683U CN202122214879.8U CN202122214879U CN216159683U CN 216159683 U CN216159683 U CN 216159683U CN 202122214879 U CN202122214879 U CN 202122214879U CN 216159683 U CN216159683 U CN 216159683U
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Abstract
The utility model provides a heat exchanger which comprises a plurality of heat exchange tubes arranged in sequence along a preset direction, wherein each heat exchange tube is a flat tube and comprises a first tube section and a second tube section which are connected with each other; the first pipe sections are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the first pipe sections; the plane where the flat side face of each first pipe section is located and the plane where the flat side face of the corresponding second pipe section is located are arranged in an included angle mode, so that after the plurality of first pipe sections are bent along the preset bending line, the first pipe sections of any two adjacent heat exchange pipes are in contact. The structure of the heat exchanger can further enhance the heat exchange effect of the heat exchanger, and the problem that the heat exchange effect of the heat exchanger in the prior art is poor is solved.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger.
Background
In the prior art, a plurality of heat exchange tubes of a heat exchanger are usually bent to obtain a large heat exchange area in a limited space.
However, in the plurality of bent heat exchange tubes, two adjacent heat exchange tubes are usually arranged at intervals, which is not favorable for the heat exchange effect of the heat exchanger.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a heat exchanger to solve the problem that the heat exchanger in the prior art is poor in heat exchange effect.
In order to achieve the above object, the present invention provides a heat exchanger, comprising: the heat exchange tube comprises a plurality of heat exchange tubes which are sequentially arranged along a preset direction, wherein each heat exchange tube is a flat tube and comprises a first tube section and a second tube section which are connected with each other; the first pipe sections are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the first pipe sections; the plane where the flat side face of each first pipe section is located and the plane where the flat side face of the corresponding second pipe section is located are arranged in an included angle mode, so that after the plurality of first pipe sections are bent along the preset bending line, the first pipe sections of any two adjacent heat exchange pipes are in contact.
Further, before the plurality of first tube segments are bent, the included angle between the plane where the flat side surface of each first tube segment is located and the plane where the flat side surface of the corresponding second tube segment is located ranges from 55 degrees to 85 degrees.
Further, the flat sides of the first tube segments are parallel prior to bending the first tube segments.
Furthermore, each heat exchange tube comprises two second tube sections, and the two second tube sections are connected with the two ends of the first tube section respectively.
Furthermore, the two second tube sections of each heat exchange tube are respectively a third tube section and a fourth tube section, and the flat sides of the third tube sections are parallel; and/or the flat sides of the fourth tube segments are all parallel; and/or after the plurality of first pipe sections are bent, the planes where the central axes of the plurality of third pipe sections are located and the planes where the central axes of the plurality of fourth pipe sections are located are parallel or form an included angle.
Further, a twisted tube section is disposed between the first and second tube sections of each heat exchange tube to connect the first and second tube sections.
Further, before bending the plurality of first tube sections, in each heat exchange tube, the sum of the length of the first tube section and the horizontal lengths of the two twisted tube sections in the extending direction of the first tube section is S; the width of the flat surface of the heat exchange tube is W, and S is more than or equal to 3W and less than or equal to 8W.
Further, a fin structure is arranged between any two adjacent second tube sections, and each fin structure is arranged on one of the corresponding two adjacent second tube sections.
Further, the heat exchanger still includes the pressure manifold, and the pressure manifold extends the setting along predetermineeing the direction, and a plurality of second pipeline sections all are connected and communicate with the pressure manifold.
Further, each heat exchange tube is an integrally formed structure.
By applying the technical scheme of the utility model, the heat exchanger comprises a plurality of heat exchange tubes which are sequentially arranged along the preset direction, and each heat exchange tube is a flat tube and comprises a first tube section and a second tube section which are mutually connected; the first pipe sections are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the first pipe sections; the plane where the flat side face of each first pipe section is located and the plane where the flat side face of the corresponding second pipe section is located are arranged in an included angle mode, so that after the plurality of first pipe sections are bent along the preset bending line, the first pipe sections of any two adjacent heat exchange pipes are in contact.
In the specific implementation process, rotate each first pipeline section for corresponding second pipeline section certain angle, so that be the contained angle setting between the plane at the flat side place of each first pipeline section and the plane at the flat side place of corresponding second pipeline section, bend the back along predetermineeing the line of bending with a plurality of first pipeline sections like this, can contact between the first pipeline section of two arbitrary adjacent heat exchange tubes, the heat transfer effect between two adjacent first pipeline sections can be strengthened in this kind of structural setting, and then strengthen the heat transfer effect between two adjacent heat exchange tubes, further strengthen the heat transfer effect of heat exchanger, the relatively poor problem of heat transfer effect of the heat exchanger among the prior art has been solved.
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 shows a schematic structural view of a plurality of heat exchange tubes of a heat exchanger according to the present invention before bending;
fig. 2 shows a schematic view of a plurality of heat exchange tubes of the heat exchanger of fig. 1 after bending;
FIG. 3 shows another schematic view of the plurality of heat exchange tubes of the heat exchanger of FIG. 1 after being bent;
FIG. 4 is a schematic diagram of the heat exchanger of FIG. 1 with the fin structures removed;
fig. 5 shows a schematic view of a heat exchanger tube of the heat exchanger in fig. 1 before bending.
Wherein the figures include the following reference numerals:
10. a heat exchange pipe; 11. a first tube section; 12. a second tube section; 121. a third tube section; 122. a fourth tube section; 13. twisting the pipe section; 20. a header pipe; 30. and (4) a fin structure.
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.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
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 utility model provides a heat exchanger, please refer to fig. 1 to 5, the heat exchanger comprises a plurality of heat exchange tubes 10 arranged in sequence along a preset direction, each heat exchange tube 10 is a flat tube and comprises a first tube section 11 and a second tube section 12 which are connected with each other; the plurality of first pipe sections 11 are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the plurality of first pipe sections 11; an included angle is formed between the plane of the flat side of each first tube segment 11 and the plane of the flat side of the corresponding second tube segment 12, so that after the plurality of first tube segments 11 are bent along the preset bending line, the first tube segments 11 of any two adjacent heat exchange tubes 10 are contacted.
Specifically, the flat side of each first tube segment 11 is perpendicular to its thickness direction; each first pipe section 11 has a bending line, the bending line of each first pipe section 11 is perpendicular to the central axis thereof, and the bending lines of the plurality of first pipe sections 11 are overlapped to form a preset bending line.
It should be noted that, when the flat pipe is a rectangular flat pipe, the flat pipe has four side faces, the four side faces are equal in length, two opposite side faces with larger widths are flat side faces of the flat pipe, and the distribution direction of the two opposite side faces with larger widths is parallel to the thickness direction of the flat pipe.
In the specific implementation process, each first pipe section 11 rotates certain angle for corresponding second pipe section 12, so that the plane at the flat side of each first pipe section 11 and the plane at the flat side of corresponding second pipe section 12 form an included angle, after bending a plurality of first pipe sections 11 along a preset bending line, the first pipe sections 11 of any two adjacent heat exchange pipes 10 can be contacted, the heat exchange effect between two adjacent first pipe sections 11 can be enhanced through the structural arrangement, the heat exchange effect between two adjacent heat exchange pipes 10 is further enhanced, the heat exchange effect of the heat exchanger is further enhanced, and the problem that the heat exchange effect of the heat exchanger in the prior art is poor is solved.
It should be noted that before the first tube section 11 is rotated, the flat side of the first tube section 11 and the flat side of the second tube section 12 of each heat exchange tube 10 are in the same plane. Preferably, each heat exchange tube 10 is of an integrally formed structure.
It should be noted that, because the bending lines of the first tube segments 11 are overlapped, the preset direction is the extending direction of the preset straight line, that is, the heat exchange tubes 10 are sequentially arranged along the extending direction of the preset straight line, and the extending direction of each heat exchange tube 10 is perpendicular to the preset direction; the preset straight line is parallel to or coincided with the preset bending line.
Specifically, the flat sides of the second plurality of tube segments 12 are all parallel.
In this embodiment, before bending the plurality of first pipe segments 11, an included angle between a plane where the flat side of each first pipe segment 11 is located and a plane where the flat side of the corresponding second pipe segment 12 is located has a value range of 55 degrees or more and less than 85 degrees, so as to ensure that any two adjacent first pipe segments 11 can be in contact with each other after the plurality of first pipe segments 11 are bent. I.e., the twist angle of each first pipe segment 11 relative to the corresponding second pipe segment 12 is greater than or equal to 55 degrees and less than 85 degrees.
Specifically, before the plurality of first tube segments 11 are bent, the flat sides of the plurality of first tube segments 11 are parallel, that is, the included angles between the plane where the flat side of each first tube segment 11 is located and the plane where the flat side of the corresponding second tube segment 12 is located are all equal, and the rotation angles of the plurality of first tube segments 11 are all equal.
It should be noted that the corresponding second tube segment 12 of each first tube segment 11 means that the first tube segment 11 and the second tube segment 12 belong to the same heat exchange tube 10.
In the present embodiment, each heat exchange tube 10 comprises two second tube segments 12, and the two second tube segments 12 are respectively connected with two ends of the first tube segment 11; the two second tube segments 12 of each heat exchange tube 10 are respectively a third tube segment 121 and a fourth tube segment 122.
Specifically, before or after the first tube segment 11 is bent, the flat sides of the third tube segments 121 are parallel, and the flat sides of the fourth tube segments 122 are parallel; wherein the plurality of third pipe segments 121 are located at the same end of the plurality of first pipe segments 11 and the plurality of fourth pipe segments 122 are located at the same end of the plurality of first pipe segments 11.
Specifically, before the bending of the first pipe segments 11, the plane on which the central axes of the third pipe segments 121 and the plane on which the central axes of the fourth pipe segments 122 are located on the same plane; as shown in fig. 2 and 3, when the first pipe segments 11 are bent, the planes of the central axes of the third pipe segments 121 and the planes of the central axes of the fourth pipe segments 122 are parallel or form an included angle.
Specifically, a twisted tube section 13 is disposed between the first tube section 11 and the second tube section 12 of each heat exchange tube 10 to connect the first tube section 11 and the second tube section 12. In a specific implementation process, before the plurality of first tube sections 11 are bent, for each heat exchange tube 10, the twisted tube section 13 of the heat exchange tube 10 is twisted, so that an included angle is formed between a plane where the flat side of the first tube section 11 of the heat exchange tube 10 is located and a plane where the flat side of the second tube section 12 of the heat exchange tube 10 is located.
Specifically, each heat exchange tube 10 comprises two twisted tube segments 13, one twisted tube segment 13 being disposed between the first tube segment 11 and the third tube segment 121 to connect the first tube segment 11 and the third tube segment 121; another twisted pipe section 13 is disposed between the first pipe section 11 and the fourth pipe section 122 to connect the first pipe section 11 and the fourth pipe section 122.
Specifically, before bending a plurality of first tube segments 11, in each heat exchange tube 10, the sum of the length of the first tube segments 11 and the horizontal lengths of two twisted tube segments 13 in the extending direction of the first tube segments 11 is S, i.e., the horizontal spacing between two second tube segments 12 is S; the width of the flat surface of the heat exchange tube 10 is W, and S is more than or equal to 3W and less than or equal to 8W. In a specific implementation process, the second tube section 12 is provided with the fin structure 30, and neither the first tube section 11 nor the twisted tube section 13 is provided with the fin structure, that is, both the first tube section 11 and the twisted tube section 13 are finless sections, and if the finless sections are too long, the effective heat exchange area of the heat exchanger is reduced.
It should be noted that the horizontal length of the twisted pipe section 13 refers to the horizontal distance between the two ends of the twisted pipe section 13 in the extending direction of the first pipe section 11.
It should be noted that, before and after each first pipe section 11 is twisted relative to the second pipe section 12, the extending direction of each first pipe section 11 is the same as the extending direction of the corresponding second pipe section 12.
In the present embodiment, a fin structure 30 is disposed between any two adjacent second tube segments 12, and each fin structure 30 is disposed on one of the corresponding two adjacent second tube segments 12.
In particular, each fin structure is provided on a flat side of a respective second tube section 12.
In this embodiment, the heat exchanger further includes a collecting main 20, the collecting main 20 extends along a predetermined direction, and the plurality of second tube segments 12 are connected and communicated with the collecting main 20.
Specifically, there are two headers 20, each of the third tube segments 121 is connected to and communicated with one header 20, and each of the fourth tube segments 122 is connected to and communicated with another header 20.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
in the heat exchanger of the utility model, the heat exchanger comprises a plurality of heat exchange tubes 10 which are sequentially arranged along a preset direction, and each heat exchange tube 10 is a flat tube and comprises a first tube section 11 and a second tube section 12 which are connected with each other; the plurality of first pipe sections 11 are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the plurality of first pipe sections 11; an included angle is formed between the plane of the flat side of each first tube segment 11 and the plane of the flat side of the corresponding second tube segment 12, so that after the plurality of first tube segments 11 are bent along the preset bending line, the first tube segments 11 of any two adjacent heat exchange tubes 10 are contacted.
In the specific implementation process, each first pipe section 11 rotates certain angle for corresponding second pipe section 12, so that the plane at the flat side of each first pipe section 11 and the plane at the flat side of corresponding second pipe section 12 form an included angle, after bending a plurality of first pipe sections 11 along a preset bending line, the first pipe sections 11 of any two adjacent heat exchange pipes 10 can be contacted, the heat exchange effect between two adjacent first pipe sections 11 can be enhanced through the structural arrangement, the heat exchange effect between two adjacent heat exchange pipes 10 is further enhanced, the heat exchange effect of the heat exchanger is further enhanced, and the problem that the heat exchange effect of the heat exchanger in the prior art is poor is solved.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
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 exchange tube comprises a plurality of heat exchange tubes (10) which are sequentially arranged along a preset direction, wherein each heat exchange tube (10) is a flat tube and comprises a first tube section (11) and a second tube section (12) which are connected with each other;
the first pipe sections (11) are provided with preset bending lines, and the preset bending lines are perpendicular to the central axes of the first pipe sections (11);
an included angle is formed between a plane where the flat side of each first pipe section (11) is located and a plane where the flat side of the corresponding second pipe section (12) is located, so that after the first pipe sections (11) are bent along the preset bending line, the first pipe sections (11) of any two adjacent heat exchange pipes (10) are contacted.
2. The heat exchanger according to claim 1, characterized in that, before bending the plurality of first tube segments (11), the angle between the plane of the flat side of each first tube segment (11) and the plane of the flat side of the corresponding second tube segment (12) ranges from 55 degrees to 85 degrees.
3. The heat exchanger according to claim 1, characterized in that the flat sides of the first tube sections (11) are parallel before bending the first tube sections (11).
4. A heat exchanger according to claim 1, wherein each heat exchange tube (10) comprises two second tube segments (12), and the two second tube segments (12) are respectively connected with two ends of the first tube segment (11).
5. Heat exchanger according to claim 1, wherein the two second tube sections (12) of each heat exchange tube (10) are a third tube section (121) and a fourth tube section (122), respectively,
the flat sides of the third tube sections (121) are all parallel; and/or
The flat sides of the fourth tube segments (122) are all parallel; and/or
When the plurality of first pipe sections (11) are bent, the planes of the central axes of the plurality of third pipe sections (121) and the planes of the central axes of the plurality of fourth pipe sections (122) are parallel or form an included angle.
6. Heat exchanger according to claim 1 or 5, wherein a twisted tube section (13) is arranged between the first tube section (11) and the second tube section (12) of each heat exchange tube (10) for connecting the first tube section (11) and the second tube section (12).
7. The heat exchanger according to claim 6, wherein, in each of the heat exchange tubes (10), before bending a plurality of the first tube segments (11), the sum of the length of the first tube segment (11) and the horizontal length of the two twisted tube segments (13) in the extension direction of the first tube segment (11) is S; the width of the flat surface of the heat exchange tube (10) is W, and S is more than or equal to 3W and less than or equal to 8W.
8. The heat exchanger according to claim 1, wherein a fin structure (30) is provided between any two adjacent second tube segments (12), each fin structure (30) being provided on one of the second tube segments (12) in a respective two adjacent second tube segments (12).
9. The heat exchanger according to claim 1, further comprising a header (20), wherein the header (20) extends along the predetermined direction, and the plurality of second tube segments (12) are connected to and communicated with the header (20).
10. A heat exchanger according to claim 1, wherein each of the heat exchange tubes (10) is of an integrally formed construction.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122214879.8U CN216159683U (en) | 2021-09-13 | 2021-09-13 | Heat exchanger |
| PCT/CN2022/117993 WO2023036279A1 (en) | 2021-09-13 | 2022-09-09 | Heat exchanger and microchannel heat exchanger |
| KR1020247005876A KR20240038759A (en) | 2021-09-13 | 2022-09-09 | Heat exchangers and microchannel heat exchangers |
| US18/602,063 US20240210122A1 (en) | 2021-09-13 | 2024-03-12 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122214879.8U CN216159683U (en) | 2021-09-13 | 2021-09-13 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216159683U true CN216159683U (en) | 2022-04-01 |
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ID=80849654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122214879.8U Active CN216159683U (en) | 2021-09-13 | 2021-09-13 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216159683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023036279A1 (en) * | 2021-09-13 | 2023-03-16 | 浙江盾安人工环境股份有限公司 | Heat exchanger and microchannel heat exchanger |
-
2021
- 2021-09-13 CN CN202122214879.8U patent/CN216159683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023036279A1 (en) * | 2021-09-13 | 2023-03-16 | 浙江盾安人工环境股份有限公司 | Heat exchanger and microchannel heat exchanger |
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