CN219347481U - Fin and heat exchanger with same - Google Patents
Fin and heat exchanger with same Download PDFInfo
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- CN219347481U CN219347481U CN202221460859.7U CN202221460859U CN219347481U CN 219347481 U CN219347481 U CN 219347481U CN 202221460859 U CN202221460859 U CN 202221460859U CN 219347481 U CN219347481 U CN 219347481U
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Abstract
The utility model provides a fin and a heat exchanger with the same, wherein the fin comprises a first connecting section, a second connecting section and a third connecting section, the second connecting section is arranged between the first connecting section and the third connecting section, and the second connecting section is used for bending; along the length direction of the second connecting section, the second connecting section is in a straight strip structure before bending, and the second connecting section is in an arc-shaped strip structure after bending; the second connecting section is of a corrugated structure, and the direction from the trough position of the second connecting section to the crest position of the second connecting section is the height direction of the second connecting section, and the height direction of the second connecting section and the length direction of the second connecting section are both perpendicular to the width direction of the second connecting section; the second connecting section is provided with a first windowing, the first windowing is a strip-shaped opening, and the first windowing extends along the width direction of the second connecting section. By the technical scheme provided by the utility model, the technical problem that the fins are inconvenient to bend in the prior art can be solved.
Description
Technical Field
The utility model relates to the technical field of fin bending, in particular to a fin and a heat exchanger with the fin.
Background
At present, part of heat exchangers in the prior art are provided with bending sections, and flat tubes of the heat exchangers can be twisted in bending reserved areas so as to realize bending of the flat tubes. In order to avoid the situations that the fins are inconvenient to bend and the fins are unstable in bending, fins are not arranged in a bending reserved area of the flat tube generally, and therefore a fin-free area is formed in a bending section of the heat exchanger.
However, larger gaps will appear in the finless areas, resulting in air leakage, affecting heat transfer performance.
Disclosure of Invention
The utility model mainly aims to provide a fin and a heat exchanger with the fin, so as to solve the technical problem that the fin is inconvenient to bend in the prior art.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a fin comprising: the first connecting section, the second connecting section and the third connecting section are arranged between the first connecting section and the third connecting section, the second connecting section is used for bending, the second connecting section is provided with a first connecting end and a second connecting end which are oppositely arranged, and the first connecting end is arranged at one side of the second connecting end far away from the third connecting section; the extending direction from the first connecting end to the second connecting end is the length direction of the second connecting section; along the length direction of the second connecting section, the second connecting section is in a straight strip structure before bending, and the second connecting section is in an arc-shaped strip structure after bending; the second connecting section is of a corrugated structure, and the direction from the trough position of the second connecting section to the crest position of the second connecting section is the height direction of the second connecting section, and the height direction of the second connecting section and the length direction of the second connecting section are both perpendicular to the width direction of the second connecting section; the second connecting section is provided with a first windowing, the first windowing is a strip-shaped opening, and the first windowing extends along the width direction of the second connecting section.
Further, the first windowing is multiple, and the multiple first windowing intervals are arranged on the second connecting section.
Further, the plurality of first fenestration openings are arranged at intervals along the length direction of the second connecting section; or, the plurality of first windows are arranged at intervals along the width direction of the second connecting section; or, the plurality of first windows form a plurality of first window groups, each first window group in the plurality of first window groups comprises a plurality of first windows arranged at intervals along the length direction of the second connecting section, and the plurality of first window groups are arranged at intervals along the width direction of the second connecting section.
Further, a second opening window is further formed in the second connecting section, the second opening window is arranged at intervals with the first opening window, the second opening window is a strip-shaped opening, and the second opening window extends along the length direction of the second connecting section.
Further, the second windowing is multiple, and multiple second windowing intervals are set.
Further, the plurality of second fenestrations are disposed at intervals along the width direction of the second connecting section.
Further, the second fenestration is disposed at an end of the first fenestration.
Further, the plurality of first windows are formed into a plurality of first window groups, each first window group in the plurality of first window groups comprises a plurality of first windows which are arranged at intervals along the length direction of the second connecting section, and the plurality of first window groups are arranged at intervals along the width direction of the second connecting section; at least one second windowing is arranged between two adjacent first windowing groups of the plurality of first windowing groups; or the plurality of second windowing windows are arranged at one ends of the plurality of first windowing groups, and at least one second windowing window of the plurality of second windowing windows is arranged at the other ends of the plurality of first windowing groups.
Further, the first connecting section and the third connecting section are both corrugated structures, and the first connecting section has a first wave pitch Fp 1 The second connecting section has a second wave pitch Fp 2 The third connecting section has a third wave pitch Fp 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein Fp 2 >Fp 1 ,Fp 2 >Fp 3 。
According to another aspect of the present utility model there is provided a heat exchanger comprising the fin provided above.
By applying the technical scheme of the utility model, as the first window opening on the second connecting section extends along the width direction of the second connecting section, the fins have gaps extending along the width direction of the second connecting section, when the second connecting section is bent in the length direction, the first window opening can be adaptively stretched and contracted to deform, namely, the first window can stretch and contract along with the bending deformation of the second connecting section, so that the second connecting section is bent and an arc-shaped strip structure is formed. That is, the arrangement of the first window effectively increases the bending deformation amount of the fins and avoids the serious distortion of the structure of the fins in the bending deformation process; meanwhile, the first windowing can be convenient for effectively improving the heat exchange effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 illustrates a front view of a heat exchanger with fins provided in accordance with an embodiment of the present utility model prior to bending;
FIG. 2 illustrates a top view of a heat exchanger with fins prior to bending provided in accordance with an embodiment of the present utility model;
fig. 3 shows a schematic structural view of a second connection section provided with a fenestration structure provided in accordance with an embodiment of the present utility model;
fig. 4 shows a schematic structural view of a first connection section with a fenestration structure provided in accordance with an embodiment of the present utility model;
fig. 5 shows a schematic structural view of a second connection section provided with a fenestration structure provided in accordance with another embodiment of the present utility model;
fig. 6 shows a schematic structural view of a second connection section provided with a fenestration structure provided in accordance with yet another embodiment of the present utility model;
FIG. 7 shows a schematic view of one direction of a heat exchanger with fins after being bent into a double row structure, provided in accordance with an embodiment of the present utility model;
FIG. 8 shows an enlarged partial schematic view of FIG. 7;
FIG. 9 shows a schematic structural view of a heat exchanger with fins after being bent into a double row structure, according to an embodiment of the present utility model;
FIG. 10 illustrates a front view of a heat exchanger with fins after being bent into a double row configuration, provided in accordance with an embodiment of the present utility model;
FIG. 11 shows a schematic structural view of a heat exchanger with fins after being bent into an A-type structure, provided in accordance with an embodiment of the present utility model;
FIG. 12 illustrates a front view of a heat exchanger with fins after being bent into an A-type configuration, provided in accordance with an embodiment of the present utility model;
fig. 13 shows a left side view of a heat exchanger with fins according to an embodiment of the present utility model after being bent into an a-type structure.
Wherein the above figures include the following reference numerals:
10. a fin; 11. a first connection section; 12. a second connection section; 13. a third connecting section; 141. a first windowing; 142. a second windowing; 143. a third windowing; 20. an inlet header; 30. an outlet header; 40. and (5) heat exchange flat pipes.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 6, a first embodiment of the present utility model provides a fin 10, the fin 10 including a first connection section 11, a second connection section 12, and a third connection section 13, the second connection section 12 being disposed between the first connection section 11 and the third connection section 13, the second connection section 12 being for bending, the second connection section 12 having a first connection end and a second connection end disposed opposite to each other, the first connection end being disposed on a side of the second connection end remote from the third connection section 13; the extending direction from the first connecting end to the second connecting end is the length direction of the second connecting section 12; along the length direction of the second connecting section 12, the second connecting section 12 has a straight strip structure before bending, and the second connecting section 12 has an arc-shaped strip structure after bending. The second connecting section 12 is of a corrugated structure, and a direction from a trough position of the second connecting section 12 to a crest position of the second connecting section 12 is a height direction of the second connecting section 12, and both the height direction of the second connecting section 12 and a length direction of the second connecting section 12 are perpendicular to a width direction of the second connecting section 12. The second connecting section 12 is provided with a first open window 141, the first open window 141 is a strip-shaped opening, and the first open window 141 extends along the width direction of the second connecting section 12. Specifically, TW represents an english abbreviation corresponding to the width of the fin, and TW direction in the drawing represents the width direction.
With the fin 10 provided in this embodiment, since the first opening 141 on the second connection section 12 extends along the width direction of the second connection section 12, so that the fin 10 has a gap extending along the width direction of the second connection section 12, when the second connection section 12 is bent in the length direction, the first opening 141 deforms along with the deformation of the second connection section 12 in the length direction due to the fact that the extending direction of the first opening 141 is perpendicular to the length direction of the second connection section 12, that is, the first opening 141 is adaptively stretched and shrunk in the process that the second connection section 12 is bent in the length direction, that is, the first opening 141 can stretch and shrink along with the bending deformation of the second connection section 12, so that the second connection section is bent and an arc-shaped strip structure is formed. Therefore, by adding the windowed structure to the fin 10, the bending deformation amount of the fin is effectively increased, so that the second connecting section 12 is convenient to bend in the length direction, and serious twisting deformation of the structure in the bending deformation process of the fin is avoided. Therefore, the first fenestration 141 of the above structure is adaptively deformed, so as to be convenient for bending the second connecting section 12 and forming an arc-shaped strip structure, and also be convenient for the first fenestration 141 of the second connecting section 12 to maintain the fenestration shape to a greater extent during bending, thereby avoiding the waste of bending acting force; meanwhile, the first open window 141 can be convenient for effectively improving the heat exchange effect. In addition, through setting up the section structure of waiting to bend, also can avoid appearing no fin 10 region, reduced the air leakage condition, effectively guaranteed heat transfer performance. The fins 10 in the embodiment can increase the windward area of the product, and the fins 10 are arranged in the bending area to enhance heat exchange and the whole heat exchange capacity is enhanced; the anti-corrosion capability of the product is enhanced, the service life of the product is prolonged, and the reliability is improved. The whole aesthetic property of the product is ensured. The bending processing is convenient, and the efficiency is high.
It should be noted that, when bending, the bending roller contacts with the heat exchange flat tube 40 of the heat exchanger, the heat exchange flat tube 40 is bent and bent into a U-shaped structure, and the heat exchange flat tube 40 has a certain distortion at the U-shaped position, so that the plate body of the heat exchange flat tube 40 with a plate-shaped structure can be effectively shielded. Meanwhile, the heat exchange flat tube 40 drives the fins 10 connected with the heat exchange flat tube 40 to bend, specifically, the second connecting section 12 bends into a U shape, and the second connecting section 12 has certain distortion, so that the second connecting section 12 can form effective shielding. As shown in fig. 7 to 10, the heat exchanger is bent into a double row structure. Or as shown in fig. 11-13, the heat exchanger is bent into an a-type configuration.
The first connection section 11 and the third connection section 13 in this embodiment may each be provided in connection with the second connection section 12. Or, the first connecting section 11 and the third connecting section 13 are arranged at intervals with the second connecting section 12, so that the second connecting section 12 has a certain bending deformation space when in bending, and the bending deformation of the second connecting section 12 is facilitated.
The number of the first windows 141 in this embodiment may be plural, and the plural first windows 141 are disposed on the second connecting section 12 at intervals. By adopting the structure, the heat exchange effect can be conveniently further improved through the plurality of first windowing holes 141, the bending forming of the second connecting section 12 is also convenient, the first windowing holes 141 are prevented from deforming during bending, the waste of bending acting force is avoided, and the bending is conveniently and smoothly carried out.
In an embodiment, the plurality of first open windows 141 may be disposed at intervals along the length direction of the second connecting section 12, so as to optimize the arrangement of the first open windows 141, and increase the number of the first open windows 141, so as to facilitate effective heat exchange. And deformation of the first open window 141 due to bending of the second connection section 12 does not occur.
In another embodiment, the plurality of first windows 141 may be arranged at intervals along the width direction of the second connecting section 12, and by adopting such a structural arrangement, the plurality of first windows 141 can be arranged side by side along the width direction of the second connecting section 12, so as to avoid the unstable structure caused by the overlong extension of the first windows 141 along the width direction of the second connecting section 12, and improve the structural stability of the second connecting section 12.
In still another embodiment, the plurality of first fenestration 141 may be formed into a plurality of first fenestration groups, each of the plurality of first fenestration groups including a plurality of first fenestration 141 disposed at intervals along the length direction of the second connecting segment 12, the plurality of first fenestration groups being disposed at intervals along the width direction of the second connecting segment 12. By adopting the structure of the plurality of first windowing groups, the arrangement range and the positions of the first windowing holes 141 can be conveniently increased, and the first windowing holes 141 cannot be greatly deformed during bending, so that effective bending is facilitated. In addition, with such a structural layout, the structural strength of the second connecting section 12 can be effectively ensured.
In this embodiment, the second connecting section 12 is further provided with a second open window 142, where the second open window 142 is spaced from the first open window 141, the second open window 142 is a strip-shaped opening, and the second open window 142 extends along the length direction of the second connecting section 12. By adopting such a structural arrangement, the second opening 142 can be convenient for ensure the structural strength of the second connecting section 12 in the length direction, increase the resistance of the bent part and avoid the condition of out of control in bending transition.
Specifically, in this embodiment, the number of the second windows 142 is plural, and the plural second windows 142 are disposed at intervals, so as to better avoid the situation that the second connecting section 12 is deformed in a bending transition.
In the present embodiment, the plurality of second fenestrations 142 are disposed at intervals along the width direction of the second connecting section 12. By adopting the structural arrangement, the structural strength of the second connecting section 12 in the length direction can be ensured conveniently and better, and the situation that the fin 10 fails due to bending transition deformation is avoided.
Specifically, the second fenestration 142 is disposed at an end of the first fenestration 141. By adopting the structure, the strength of the structure can be conveniently and effectively improved through the second windowing 142, the out-of-control condition of bending deformation is reduced, and meanwhile, the structural layout of the windowing structure is optimized, so that the heat exchange is conveniently and effectively carried out.
The number of the first windows 141 in this embodiment may be plural, the plurality of first windows 141 form a plurality of first window groups, each of the plurality of first window groups includes a plurality of first windows 141 disposed at intervals along the length direction of the second connecting section 12, and the plurality of first window groups are disposed at intervals along the width direction of the second connecting section 12. At least one second fenestration 142 may be disposed between two adjacent first fenestration groups of the plurality of first fenestration groups to effectively ensure structural strength and avoid a bending deformation failure condition. Or, the number of the second open windows 142 is multiple, at least one second open window 142 in the second open windows 142 is arranged at one end of the first open window groups, and at least one second open window 142 in the second open windows 142 is arranged at the other end of the first open window groups, so that the structural strength of the two ends is effectively ensured, and the condition of out-of-control bending is avoided.
In the present embodiment, the first connecting section 11 and the third connecting section 13 are both corrugated structures, and the first connecting section 11 has a first wave pitch Fp 1 The second connecting section 12 has a second wave pitch Fp 2 The third connection section 13 has a third wavelength pitch Fp 3 The method comprises the steps of carrying out a first treatment on the surface of the Wherein Fp 2 >Fp 1 ,Fp 2 >Fp 3 . With such a structural arrangement, bending deformation of the fin 10 can be facilitated. Therefore, the fin 10 product is bent in the fin thinning area, the bending feasibility is high, and the fin can be folded at a certain angle or folded in half.
Specifically, in this embodiment, the first connection section 11 and the third connection section 13 are each provided with the third open windows 143, and the third open windows 143 are plural, each third open window 143 extends along the length direction of the fin 10 (the length direction of the fin 10 is the same as the length direction of the second connection section 12), and the plural third open windows 143 are disposed at intervals along the width direction of the fin 10 (the width direction of the fin 10 is the same as the width direction of the second connection section 12) so as to improve the heat exchange effect. Specifically, the first connection section 11 and the third connection section 13 may be of the same structure.
A second embodiment of the present utility model provides a heat exchanger, which includes the fin 10 provided in the first embodiment. The heat exchanger further comprises a heat exchange flat tube 40, an inlet collecting tube 20 and an outlet collecting tube 30, wherein the inlet collecting tube 20 and the outlet collecting tube 30 are respectively arranged on two sides of the heat exchange flat tube 40. The heat exchange flat tubes 40 are a plurality of, and fins 10 are arranged between two adjacent heat exchange flat tubes 40.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the windward area of the product is increased, the fins are arranged in the bending area to enhance heat exchange, the whole heat exchange capacity is enhanced, and the bending section is convenient to bend.
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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative 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 in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A fin, comprising:
the connecting device comprises a first connecting section (11), a second connecting section (12) and a third connecting section (13), wherein the second connecting section (12) is arranged between the first connecting section (11) and the third connecting section (13), the second connecting section (12) is used for bending, the second connecting section (12) is provided with a first connecting end and a second connecting end which are oppositely arranged, and the first connecting end is arranged on one side of the second connecting end far away from the third connecting section (13); the extending direction from the first connecting end to the second connecting end is the length direction of the second connecting section (12); along the length direction of the second connecting section (12), the second connecting section (12) is in a straight strip structure before bending, and the second connecting section (12) is in an arc-shaped strip structure after bending;
the second connecting section (12) is of a corrugated structure, the direction from the trough position of the second connecting section (12) to the peak position of the second connecting section (12) is the height direction of the second connecting section (12), and the height direction of the second connecting section (12) and the length direction of the second connecting section (12) are both perpendicular to the width direction of the second connecting section (12);
the second connecting section (12) is provided with a first open window (141), the first open window (141) is a strip-shaped opening, and the first open window (141) extends along the width direction of the second connecting section (12).
2. The fin according to claim 1, wherein the first windows (141) are plural, and the plural first windows (141) are provided at intervals on the second connection section (12).
3. The fin according to claim 2, wherein,
the plurality of first windows (141) are arranged at intervals along the length direction of the second connecting section (12); or,
the plurality of first windows (141) are arranged at intervals along the width direction of the second connecting section (12); or,
the plurality of first windowing (141) form a plurality of first windowing groups, each first windowing group in the plurality of first windowing groups comprises a plurality of first windowing (141) which are arranged at intervals along the length direction of the second connecting section (12), and the plurality of first windowing groups are arranged at intervals along the width direction of the second connecting section (12).
4. The fin according to claim 2, wherein a second opening (142) is further provided on the second connection section (12), the second opening (142) is spaced from the first opening (141), the second opening (142) is a strip-shaped opening, and the second opening (142) extends along the length direction of the second connection section (12).
5. The fin according to claim 4, wherein the second windows (142) are plural, and plural second windows (142) are disposed at intervals.
6. The fin according to claim 5, wherein a plurality of said second fenestrations (142) are spaced apart along the width of said second connecting section (12).
7. The fin according to claim 5, wherein the second fenestration (142) is disposed at an end of the first fenestration (141).
8. The fin according to claim 5, wherein the first fenestration (141) is plural, the plural first fenestration (141) forms plural first fenestration groups, each of the plural first fenestration groups includes plural first fenestration (141) disposed at intervals along a length direction of the second connection section (12), the plural first fenestration groups are disposed at intervals along a width direction of the second connection section (12);
at least one second windowing window (142) is arranged between two adjacent first windowing window groups of the plurality of first windowing window groups; or,
the number of the second open windows (142) is multiple, at least one second open window (142) in the second open windows (142) is arranged at one end of the first open window groups, and at least one second open window (142) in the second open windows (142) is arranged at the other end of the first open window groups.
9. The fin according to claim 1, wherein the first connection section (11) and the third connection section (13) are each of a corrugated structure, the first connection section (11) having a first pitch Fp 1 The second connecting section (12) has a second wave pitch Fp 2 The third connecting section (13) has a third wave pitch Fp 3 ;
Wherein Fp 2 >Fp 1 ,Fp 2 >Fp 3 。
10. A heat exchanger, characterized in that it comprises a fin according to any one of claims 1 to 9.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202221460859.7U CN219347481U (en) | 2022-06-10 | 2022-06-10 | Fin and heat exchanger with same |
PCT/CN2023/099509 WO2023237110A1 (en) | 2022-06-10 | 2023-06-09 | Fin and heat exchanger provided with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221460859.7U CN219347481U (en) | 2022-06-10 | 2022-06-10 | Fin and heat exchanger with same |
Publications (1)
Publication Number | Publication Date |
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CN219347481U true CN219347481U (en) | 2023-07-14 |
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Family Applications (1)
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CN202221460859.7U Active CN219347481U (en) | 2022-06-10 | 2022-06-10 | Fin and heat exchanger with same |
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CN (1) | CN219347481U (en) |
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2022
- 2022-06-10 CN CN202221460859.7U patent/CN219347481U/en active Active
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