CN106705732B - Fin and heat exchanger - Google Patents
Fin and heat exchanger Download PDFInfo
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- CN106705732B CN106705732B CN201510784842.5A CN201510784842A CN106705732B CN 106705732 B CN106705732 B CN 106705732B CN 201510784842 A CN201510784842 A CN 201510784842A CN 106705732 B CN106705732 B CN 106705732B
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Abstract
The invention provides a fin and a heat exchanger comprising the same. This fin includes fin body (1), be located flat tube mounting groove (2) on fin body (1) and be located the week side of flat tube mounting groove (2) and connect trough rim clout (3) on fin body (1), trough rim clout (3) are including connecting portion (4) and separation part (5), the edge at fin body (1) is connected in connecting portion (4), and turn over towards one side of fin body (1), separation part (5) are connected on connecting portion (4), and turn over towards one side of fin body (1) and turn over, form the vertical location turn-ups that highly is higher than flat tube mounting groove (2) width. The fin provided by the invention can overcome the defect that the positioning flanging height of the fin in the prior art is limited by the thickness of the flat pipe, and the positioning between the fins cannot be met.
Description
Technical Field
The invention relates to the technical field of refrigeration air conditioners, in particular to a fin and a heat exchanger comprising the fin.
Background
The novel power strip fin is provided for the micro-channel heat exchanger at present, and the structural characteristics of the novel power strip fin can effectively enhance the drainage capacity and defrosting capacity of the heat exchanger. However, the conventional positioning mode of the fin is easy to damage the structure of the fin, so that the wind field and the drainage effect are reduced.
In order to avoid damaging the surface structure of the fin, a novel fin is provided in the prior art, as shown in fig. 1, the novel row of inserting fins 1 are flanged through fin remnants at the positions of the mounting grooves 2 of the flat tubes, so that the flat tubes are mounted and positioned, but the positioning height of the flange 3 is limited due to the width limitation of the flat tubes, and effective positioning cannot be formed between the fins.
Disclosure of Invention
The invention aims to overcome the defect that the positioning flanging height of a fin is limited by the thickness of a flat pipe and the positioning between the fins cannot be met in the prior art, and provides the fin and a heat exchanger comprising the fin.
In order to achieve the technical purpose, the invention provides a fin which comprises a fin body, a flat tube mounting groove positioned on the fin body and a groove edge excess material positioned on the periphery side of the flat tube mounting groove and connected to the fin body, wherein the groove edge excess material comprises a connecting part and a separating part, the connecting part is connected to the edge of the fin body and is turned over towards one side of the fin body, and the separating part is connected to the connecting part and is turned over towards one side of the fin body to form a vertical positioning turned edge with the height higher than the width of the flat tube mounting groove.
In the fin provided by the invention, the groove edge excess material is processed, so that one part of the groove edge excess material is connected with the fin body, the other part of the groove edge excess material is separated from the fin body, and the vertical positioning flanging with the height higher than the width of the flat tube mounting groove is formed by utilizing the separation part separated from the fin body, so that the height of the positioning flanging of the fin is not limited by the thickness of the flat tube any more, the adjacent fins can be effectively positioned, the positioning distance between the adjacent fins is effectively ensured, and the working performance of the fin is improved.
Drawings
FIG. 1 is a perspective view of a prior art fin;
FIG. 2 is a perspective view of the fin of the first embodiment of the present invention, when the groove edge excess is preliminarily folded;
FIG. 3 is a perspective view of the fin of the first embodiment of the present invention when the groove edge remnants are folded for the second time;
FIG. 4 is a perspective view of the fin of the first embodiment of the present invention when the groove edge excess is folded for the third time;
FIG. 5 is a perspective view of a fin according to a second embodiment of the present invention, illustrating the preliminary folding of the groove edge remnants;
FIG. 6 is a perspective view of a second embodiment of the fin of the present invention with the slot edge remnants folded for a second time;
FIG. 7 is a perspective view of a fin according to a second embodiment of the present invention, after a third folding of the groove edge excess;
FIG. 8 is a perspective view of a fin according to a second embodiment of the present invention after final forming of a groove edge excess material;
FIG. 9 is a perspective view of a fin according to a third embodiment of the present invention;
FIG. 10 is a perspective view showing a configuration after final formation of a groove edge excess material of a fin according to a third embodiment of the present invention; and
fig. 11 is a perspective view of a fin according to a fourth embodiment of the present invention.
Description of reference numerals: 1. a fin body; 2. flat tube mounting grooves; 3. excess materials at the groove edge; 4. a connecting portion; 5. a separation section; 6. a first folded edge; 7. a second folded edge; 8. thirdly, folding; 9. a fourth folded edge; 10. a transitional connecting edge; 11. a main body portion; 12. a lengthening part.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
Referring to fig. 2 to 11, the invention provides a fin, which comprises a fin body 1, a flat tube mounting groove 2 located on the fin body 1, and a slot edge remainder 3 located on the periphery of the flat tube mounting groove 2 and connected to the fin body 1, wherein the slot edge remainder 3 comprises a connecting portion 4 and a separating portion 5, the connecting portion 4 is connected to the edge of the fin body 1 and is turned over towards one side of the fin body 1, and the separating portion 5 is connected to the connecting portion 4 and is turned over towards one side of the fin body 1 to form a vertical positioning turn-over edge with a height higher than the width of the flat tube mounting groove 2.
In the fin provided by the invention, the groove edge excess material 3 is processed, so that one part of the groove edge excess material 3 is connected with the fin body 1, the other part of the groove edge excess material is separated from the fin body 1, and the vertical positioning turned edge with the height higher than the width of the flat tube mounting groove 2 is formed by utilizing the separating part 5 separated from the fin body 1, so that the height of the positioning turned edge of the fin is not limited by the thickness of the flat tube any more, the adjacent fins can be effectively positioned, the positioning distance between the adjacent fins is effectively ensured, and the working performance of the fin is improved.
The separating portion 5 is separated from the fin body 1 in the longitudinal direction of the fin body 1. Because the groove edge excess material 3 is cut out from the flat tube mounting groove 2, the shape of the groove edge excess material 3 is long, if the long-strip-shaped groove edge excess material 3 is cut off from the fin body 1 to form the separating part 5, and the separating part 5 is turned over, the length of the groove edge excess material 3 can be used for realizing a higher positioning height, so that the positioning height of the groove edge excess material 3 after being turned over is not influenced by the width of the groove edge excess material 3 any more, the groove edge excess material on the fin can be fully utilized, the positioning height can be still ensured to be not limited under the condition that the thickness of the flat tube is smaller than the positioning height, the structure of the surface of the fin can not be damaged, the drainage and defrosting of the fin can not be influenced, and the drainage capacity and the heat exchange capacity can be improved to the greatest extent.
Referring to fig. 2 to 4 in combination, in the first embodiment of the fin of the present invention, in the present embodiment, the separating portion 5 includes a first folded edge 6 and a second folded edge 7, the first folded edge 6 is folded along the folding direction of the connecting portion 4 in the same direction and is attached to the outer side of the connecting portion 4, and the second folded edge 7 is folded along the top of the first folded edge 6 toward the side of the fin body 1. The length of the first folding edge 6 is adjusted, so that the positioning height between the fins can be adjusted, and the length of the first folding edge 6 cannot be influenced by the width of the groove edge excess material 3, so that the positioning height between the fins can be effectively ensured.
The second folded edge 7 is folded towards the side where the fin body 1 is located, the top surface of the second folded edge 7 is parallel to the surface of the fin body 1, the second folded edge 7 can be guaranteed to have a larger supporting area with the adjacent fin body 1, and more stable support is formed.
The first folded edge 6 is folded in half along a 45-degree diagonal line relative to the connecting portion 4 and folded in a direction perpendicular to the fin body 1, the second folded edge 7 is at a right angle relative to the first folded edge 6, and the top of the connecting portion 4 is in contact with the bottom of the second folded edge 7. When the second flange 7 supports the fin, the second flange 7 can be supported by the connecting portion 4, and the support strength of the second flange 7 is improved.
The vertical positioning flanging of 2 both sides of flat pipe mounting groove sets up at the both sides diagonal angle of flat pipe mounting groove 2, can guarantee between the adjacent fin that all have the outrigger along length direction's both ends, keeps the interval structure between the fin more even stable to improve the stability of whole heat exchanger.
Referring to fig. 5 to 8 in combination, according to the second embodiment of the present invention, the separating portion 5 includes a first folded edge 6 and a second folded edge 7, the first folded edge 6 is folded in a direction opposite to the folding direction of the connecting portion 4 and is attached to the outer side of the connecting portion 4, and the second folded edge 7 is folded along the top of the first folded edge 6 toward the side of the fin body 1.
The separating part 5 further comprises a third folding edge 8 and a fourth folding edge 9, the third folding edge 8 is connected to the tail of the second folding edge 7 and reversely turns over towards the first folding edge 6 relative to the second folding edge 7, the fourth folding edge 9 is connected to one end, close to the first folding edge 6, of the third folding edge 8 and turns over along the direction opposite to the turning direction of the first folding edge 6, and the tail end of the fourth folding edge 9 extends to the surface of the fin body 1.
The third folded edge 8 is reversely folded relative to the second folded edge 7 and is tightly attached to the second folded edge 7, the fourth folded edge 9 is reversely folded relative to the first folded edge 6 and is tightly attached to the first folded edge 6, a double-layer folding structure can be formed, the structural strength of the positioning turned edge can be improved, and the fins can be stably positioned and supported.
Referring to fig. 9 and 10 in combination, according to the third embodiment of the present invention, the connecting portion 4 is located at an arc-shaped connecting position of the flat tube mounting groove 2, the separating portion 5 is connected to the end of the connecting portion 4, the separating portion 5 includes a transitional connecting edge 10 and a second folded edge 7, the transitional connecting edge 10 extends along a folding direction of the connecting portion 4 and is transited from an arc shape to a straight plate shape, and the second folded edge 7 is folded from the end of the transitional connecting edge 10 to the outer side of the flat tube mounting groove 2.
In this embodiment, the arc-shaped connecting structure at one end of the flat tube mounting groove 2 is used as the connecting portion of the groove edge remainder 3, and then the portion of the groove edge remainder 3 extending from the arc-shaped connecting portion to the other end of the flat tube mounting groove 2 is used as the separating portion 5, and when the arc-shaped connecting portion is turned over, the separating portion 5 connected to the arc-shaped connecting portion is also turned over along the turning direction of the arc-shaped connecting portion, because the arc-shaped connecting portion is the arc-shaped structure, in order to ensure that a supporting plane can be formed at the supporting position of the vertically-positioned turned edge after the turning over is completed, the transition connecting edge 10 connected to the arc-shaped connecting portion is processed, so that the transition connecting edge 10 forms a gradual-change structure, the portion connected to the arc-shaped connecting portion is the arc-shaped structure matched with the arc-shaped connecting portion, and the portion, meanwhile, the characteristics of the gradual change structure are utilized, so that the transition connecting edge 10 has better supporting strength compared with a straight plate-shaped structure, and the supporting strength of the vertical positioning flanging is improved.
In order to further improve the supporting strength of the vertical positioning flanging formed by the tank edge excess material 3, the vertical positioning flanging can also adopt a double-layer flanging structure which is the same as that of the second embodiment. In this structure, separation portion 5 can also include third hem 8 and fourth hem 9, and third hem 8 turns over to arc connecting portion 4 reverse from the end of second hem 7, and fourth hem 9 turns over to the surface of fin body 1 from the end of third hem 8 to extend to the surface of fin body 1, thereby makes the groove limit clout 3 of this embodiment also can form double-deck book structure of turning over, can strengthen the turn-ups structural strength of vertical location.
Referring to fig. 11 in combination, in a fourth embodiment of the fin of the present invention, in this embodiment, the groove edge remainder 3 includes a main body portion 11 and an elongated portion 12, the main body portion 11 is located on the side of the fin body 1, the elongated portion 12 is located on the side of the adjacent fin body 1 adjacent to the fin body 1, the elongated portion 12 is located at the opening end of the flat tube mounting groove 2, the elongated portion 12 is folded along with the main body portion 11 toward the leeward side of the fin body 1, and the end of the elongated portion 12 is folded along a direction parallel to the fin body 1 toward the side of the fin body 1.
In the embodiment, by utilizing the characteristics that the most end part on the leeward side of the fin has small influence on the drainage of the heat exchanger and more available excess materials, the part on the fin adjacent to the fin on which the vertical positioning flanging is positioned is also cut to be a part of the vertical positioning flanging, the way is equivalent to increasing the width of the groove edge excess material 3 positioned at the opening end of the flat tube mounting groove 2, so that the width of the groove edge excess material 3 exceeds the width limit of the flat tube, a higher positioning structure can be formed after the folding, thereby ensuring that the positioning height of the vertical positioning flanging is not limited under the condition that the thickness of the flat tube is less than the positioning height of the vertical positioning flanging, ensuring that the vertical positioning flanging can realize higher positioning by utilizing the lengthening part 12 originally belonging to the adjacent fin, and meeting the positioning requirement between the adjacent fins arranged at intervals along the length direction of the flat tube, the drainage capacity and the heat exchange capacity of the heat exchanger are improved to the maximum extent.
According to the embodiment of the invention, the heat exchanger comprises the fins and the flat pipes, wherein the fins are the fins, and the flat pipes are arranged in the flat pipe installation grooves of the fins.
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 (9)
1. The utility model provides a fin, its characterized in that includes fin body (1), is located flat tube mounting groove (2) on fin body (1) and be located the week side of flat tube mounting groove (2) is connected trough margin (3) on fin body (1), trough margin (3) are including connecting portion (4) and separation portion (5), connecting portion (4) are connected the edge of fin body (1), and court one side of fin body (1) is turned over and is rolled over, separation portion (5) are followed the length direction of fin body (1) with fin body (1) separation, separation portion (5) are connected on connecting portion (4), and court one side of fin body (1) is turned over and is turned over, forms the vertical location turn-ups that highly is higher than flat tube mounting groove (2) width.
2. The fin according to claim 1, wherein the separation portion (5) comprises a first folding edge (6) and a second folding edge (7), the first folding edge (6) is folded along the same direction of the folding direction of the connecting portion (4) and is attached to the outer side of the connecting portion (4), and the second folding edge (7) is folded along the top of the first folding edge (6) to the side of the fin body (1).
3. The fin according to claim 2, wherein the first fold (6) is folded in half along a 45-degree diagonal with respect to the connection portion (4) and in a direction perpendicular to the fin body (1), the second fold (7) is at right angles with respect to the first fold (6), and the top of the connection portion (4) is in contact with the bottom of the second fold (7).
4. The fin according to claim 2, wherein the vertical positioning flanges on both sides of the flat tube mounting groove (2) are arranged diagonally on both sides of the flat tube mounting groove (2).
5. The fin according to claim 1, wherein the separation portion (5) comprises a first folded edge (6) and a second folded edge (7), the first folded edge (6) is folded in a direction opposite to the folding direction of the connection portion (4) and is attached to the outer side of the connection portion (4), and the second folded edge (7) is folded along the top of the first folded edge (6) to the side of the fin body (1).
6. The fin according to claim 5, characterized in that the separation portion (5) further comprises a third fold (8) and a fourth fold (9), the third fold (8) being connected to the tail of the second fold (7) and being folded back towards the first fold (6) in the opposite direction with respect to the second fold (7), the fourth fold (9) being connected to the end of the third fold (8) close to the first fold (6) and being folded back in the opposite direction to the folding direction of the first fold (6), the end of the fourth fold (9) extending to the surface of the fin body (1).
7. The fin according to claim 1, wherein the connecting portion (4) is located at an arc-shaped connecting position of the flat tube mounting groove (2), the separating portion (5) is connected to the end of the connecting portion (4), the separating portion (5) comprises a transition connecting edge (10) and a second folding edge (7), the transition connecting edge (10) extends along a folding direction of the connecting portion (4) and is in a straight plate shape through arc transition, and the second folding edge (7) is folded from the end of the transition connecting edge (10) to the outer side of the flat tube mounting groove (2).
8. The fin according to claim 1, wherein the groove edge excess material (3) comprises a main body portion (11) and an elongated portion (12), the main body portion (11) is located on the side where the fin body (1) is located, the elongated portion (12) is located on the side where the adjacent fin body (1) is located, the elongated portion (12) is located on the open end of the flat tube mounting groove (2), the elongated portion (12) is folded along with the main body portion (11) to the leeward side of the fin body (1), and the tail end of the elongated portion (12) is folded along a direction parallel to the fin body (1) to the side where the fin body (1) is located.
9. A heat exchanger comprising fins and flat tubes, wherein the fins are the fins of any one of claims 1 to 8, and the flat tubes are arranged in the flat tube mounting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784842.5A CN106705732B (en) | 2015-11-16 | 2015-11-16 | Fin and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784842.5A CN106705732B (en) | 2015-11-16 | 2015-11-16 | Fin and heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106705732A CN106705732A (en) | 2017-05-24 |
| CN106705732B true CN106705732B (en) | 2020-01-21 |
Family
ID=58931560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510784842.5A Active CN106705732B (en) | 2015-11-16 | 2015-11-16 | Fin and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705732B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186308B (en) * | 2018-09-19 | 2024-05-03 | 珠海格力电器股份有限公司 | Heat exchange fin, micro-channel heat exchanger and heat pump system |
| CN109186304A (en) * | 2018-09-30 | 2019-01-11 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
| CN109186302B (en) * | 2018-09-30 | 2024-05-03 | 珠海格力电器股份有限公司 | Fin and heat exchanger with same |
| CN112762754A (en) * | 2021-01-19 | 2021-05-07 | 青岛海信日立空调系统有限公司 | Fin and processing method thereof, heat exchanger and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE861973A (en) * | 1977-02-21 | 1978-04-14 | Chausson Usines Sa | PROCESS FOR THE MANUFACTURE OF HEAT EXCHANGERS WITH MANIFOLD PLATES AND BRAZED FINS AND EXCHANGER RESULTING FROM |
| JP2006292346A (en) * | 2005-04-11 | 2006-10-26 | Atago Seisakusho:Kk | Pipeless plate fin type heat exchanger |
| CN101050930A (en) * | 2006-04-05 | 2007-10-10 | 株式会社电装 | Heat transferring member and heat exchanger having the same |
| CN203980989U (en) * | 2014-06-27 | 2014-12-03 | 广东美的制冷设备有限公司 | Parallel-flow heat exchanger and fin thereof |
| CN204630454U (en) * | 2015-05-05 | 2015-09-09 | 无锡海特精密模具有限公司 | A kind of Efficient fin |
-
2015
- 2015-11-16 CN CN201510784842.5A patent/CN106705732B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE861973A (en) * | 1977-02-21 | 1978-04-14 | Chausson Usines Sa | PROCESS FOR THE MANUFACTURE OF HEAT EXCHANGERS WITH MANIFOLD PLATES AND BRAZED FINS AND EXCHANGER RESULTING FROM |
| JP2006292346A (en) * | 2005-04-11 | 2006-10-26 | Atago Seisakusho:Kk | Pipeless plate fin type heat exchanger |
| CN101050930A (en) * | 2006-04-05 | 2007-10-10 | 株式会社电装 | Heat transferring member and heat exchanger having the same |
| CN203980989U (en) * | 2014-06-27 | 2014-12-03 | 广东美的制冷设备有限公司 | Parallel-flow heat exchanger and fin thereof |
| CN204630454U (en) * | 2015-05-05 | 2015-09-09 | 无锡海特精密模具有限公司 | A kind of Efficient fin |
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| Publication number | Publication date |
|---|---|
| CN106705732A (en) | 2017-05-24 |
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