CN207113688U - Fin and heat exchanger - Google Patents
Fin and heat exchanger Download PDFInfo
- Publication number
- CN207113688U CN207113688U CN201721146751.XU CN201721146751U CN207113688U CN 207113688 U CN207113688 U CN 207113688U CN 201721146751 U CN201721146751 U CN 201721146751U CN 207113688 U CN207113688 U CN 207113688U
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- fin
- boss
- heat exchanger
- base tube
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Abstract
It the utility model is related to fin-tube heat exchanger field, disclose a kind of fin and heat exchanger, the fin includes body (10), the through hole (11) for being set with base tube (20) is offered on the body (10), one lateral edges of the through hole (11) are provided with boss (12), and the full-size a of the airflow direction along the fin of the boss (12) is more than along the full-size b perpendicular to the airflow direction.The utility model is by making the full-size of the airflow direction along fin of boss in fin be more than along the full-size perpendicular to the airflow direction, so that flow resistance when air flows through the boss greatly reduces, the air-flow for flowing through the boss simultaneously has higher cleanliness, the flowing pressure loss of air can be effectively reduced, so as to improve the heat exchange property of heat exchanger.
Description
Technical field
Fin-tube heat exchanger field is the utility model is related to, the heat exchange more particularly to a kind of fin and containing the fin
Device.
Background technology
Fin-tube heat exchanger is gas and the most widely used a kind of heat transmission equipment in liquid heat exchanger, is air-conditioning
With most common heat exchanger in refrigerator.Its by common base tube (such as pipe, elliptical tube or flat tube) install additional fin come
Reach the purpose of augmentation of heat transfer.
Existing fin-tube heat exchanger is in processing, the installation of positioning and base tube for the ease of fin, it will usually
It is used to install on fin to stamp out a boss around the through hole of base tube.But because the boss is generally circular in cross section, it can increase
The flowing pressure loss of fin air side, it is unfavorable for the high efficient heat exchanging of heat exchanger.
Utility model content
The purpose of this utility model is to provide one kind regarding to the issue above can effectively reduce the air side flow pressure loss
Fin and heat exchanger containing the fin.
To achieve these goals, the utility model provides a kind of fin, and the fin includes body, opened up on the body
There is the through hole for being set with base tube, a lateral edges of the through hole are provided with boss, the air-flow along the fin of the boss
The full-size a in direction is more than along the full-size b perpendicular to the airflow direction.
Preferably, a is 7~22mm, and b is 6~12mm；And/or the outline of the boss is formed as ellipse or rhombus.
Preferably, the height d of the boss is 0.2~1mm.
Preferably, multiple through holes, and length side of multiple through holes along the body are offered on the body
To being spaced.
Preferably, the spacing e between the adjacent through hole is 12~25mm.
Preferably, the through hole is formed as circular, and the aperture of the through hole is 5~9mm.
Preferably, the body is formed as plain film, corrugated plate or slotted sheet.
Preferably, the body is formed as square, and the width or length of side f of the body are 8~22mm.
The utility model also provides a kind of heat exchanger, and the heat exchanger includes base tube and the fin being set on the base tube, institute
It is fin as described above to state fin.
Preferably, the heat exchanger includes multiple fins and base tube, wherein：
Bearing of trend of multiple fins along the base tube is intervally arranged in parallel to each other, and/or
Multiple fins are arranged side by side along the airflow direction, be arranged with each fin be arranged in rows it is described
Base tube, it is interlaced arrangement or alignment respectively to arrange the base tube along the airflow direction.
The utility model is by making the full-size of the airflow direction along fin of boss in fin be more than along perpendicular to institute
State the full-size of airflow direction so that flow resistance when air flows through the boss greatly reduces, while flows through the boss
Air-flow there is higher cleanliness, the flowing pressure loss of air can be effectively reduced, so as to improve the heat-exchange performance of heat exchanger
Energy.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of structural representation of embodiment of fin in the utility model, and the outline of wherein boss is formed
For ellipse；
Fig. 2 is the structural representation of the another embodiment of fin in the utility model, wherein the foreign steamer profile of boss
As rhombus；
Fig. 3 is a kind of structural representation of embodiment of heat exchanger in the utility model, wherein only showing fin and base
Pipe；
Fig. 4 is the structural representation of the another embodiment of heat exchanger in the utility model, wherein only show fin and
Base tube, and eliminate the structure of boss in fin.
Description of reference numerals
The through hole of 10 body 11
The base tube of 12 boss 20
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
It should be noted that the airflow direction of the fin described in the utility model refers to that fluid (such as air) flows into fin
When direction, referring specifically to the signified direction of arrow in accompanying drawing.
The utility model provides a kind of fin, and the fin includes body 10, is offered on the body 10 for being set with base
The through hole 11 of pipe 20, a lateral edges of the through hole 11 are provided with boss 12, the air-flow side along the fin of the boss 12
To full-size a be more than along perpendicular to the airflow direction full-size b.
By such scheme, make the airflow direction along fin of boss 12 in fin full-size a be more than along perpendicular to
The full-size b of the airflow direction, this is compared with round boss of the prior art, when enabling to the air to flow through boss 12
Flow resistance greatly reduce, while the air-flow for flowing through the boss 12 has higher cleanliness, so as to effectively reduce air
Flowing pressure loss, and then improve heat exchanger heat exchange property.
Wherein, preferably, a is 7~22mm, b is 6~12mm.
Preferably, the outline of the boss 12 can be formed as ellipse or rhombus (referring to Fig. 1 and Fig. 2).Certainly,
The outline of boss 12 can also be formed like the shape of ellipse or rhombus, as long as ensureing it along the airflow direction most
Large scale is more than along the full-size perpendicular to the airflow direction.In addition, the ellipse, rhombus or similar oval
Shape or the shape of rhombus may be configured as symmetrical or asymmetric on the center line of through hole 11.
In order to further reduce pressure loss when fluid flows through boss 12, as shown in figure 3, the height d of the boss 12
Preferably 0.2~1mm.The positioning of fin and the installation of base tube 20 can also be so easy to.
In actual use, more foundation pipes 20 can be typically arranged on a fin simultaneously.According to the utility model
A kind of preferred embodiment, as shown in figure 4, offer multiple through holes 11 on the body 10, and multiple through holes
11 are spaced along the length direction of the body 10.
Wherein, preferably, the spacing e between the adjacent through hole 11 is 12~25mm.The spacing is understood as
The distance between hole heart of adjacent two through hole 11.
In the utility model, base tube 20 can be pipe, elliptical tube or flat tube.According to of the present utility model a kind of preferred
Embodiment, base tube 20 are pipe, and the through hole 11 is formed as circular, and the external diameter (aperture of i.e. described through hole 11) of the pipe is excellent
Elect 5~9mm as.
In the utility model, the body 10 can be formed as plain film, corrugated plate or slotted sheet.Wherein, slotted sheet refers to
The fin of shutter, bridge piece etc. is set on body.
In the utility model, body 10 can be arbitrary shape.According to a kind of preferred real of body in the utility model 10
Mode is applied, as shown in Figure 1, Figure 2 and Figure 4, the body 10 is formed as square, such as rectangle or square, the body 10
Width f be preferably 8~22mm, i.e., when described body 10 is formed as rectangle, the width of the body 10 is preferably 8~
22mm；When the body 10 is formed as square, the length of side of the body 10 is preferably 8~22mm.
The utility model also provides a kind of heat exchanger, and the heat exchanger includes base tube 20 and more than being set on the base tube 20
Described fin.
In the utility model, the heat exchanger can include multiple fins and base tube 20.
Wherein, the multiple fins and base tube 20 can have a variety of arrangement modes.In order to realize with the space-consuming of minimum
Reach best heat transfer effect, preferably, specifically, as shown in figure 3, multiple fins can prolonging along the base tube 20
Direction is stretched to be intervally arranged in parallel to each other.As shown in figure 4, multiple fins can also be arranged side by side along the airflow direction,
The base tube 20 being arranged in rows is arranged with each fin, it is staggeredly cloth respectively to arrange the base tube 20 along the airflow direction
Put or alignment.
Heat exchanger of the present utility model is by using such scheme, in use, with the heat exchange with round boss
Device is compared, and more than 3% can be reduced by flowing through the pressure loss of the fluid of fin, and heat exchange efficiency, which has, to be significantly improved.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of fin, the fin includes body (10), and the through hole for being set with base tube (20) is offered on the body (10)
(11), a lateral edges of the through hole (11) are provided with boss (12), it is characterised in that the boss (12) along the fin
Airflow direction full-size a be more than along perpendicular to the airflow direction full-size b.
2. fin according to claim 1, it is characterised in that a is 7~22mm, and b is 6~12mm；And/or the boss
(12) outline is formed as ellipse or rhombus.
3. fin according to claim 1 or 2, it is characterised in that the height d of the boss (12) is 0.2~1mm.
4. fin according to claim 1, it is characterised in that offer multiple through holes on the body (10)
(11), and length direction of the multiple through holes (11) along the body (10) is spaced.
5. fin according to claim 4, it is characterised in that spacing e between the adjacent through hole (11) for 12~
25mm。
6. fin according to claim 1, it is characterised in that the through hole (11) is formed as circular, the through hole (11)
Aperture be 5~9mm.
7. fin according to claim 1, it is characterised in that the body (10) is formed as plain film, corrugated plate or cracked
Piece.
8. fin according to claim 1, it is characterised in that the body (10) is formed as square, the body (10)
Width or length of side f be 8~22mm.
9. a kind of heat exchanger, the heat exchanger includes base tube (20) and the fin being set on the base tube (20), it is characterised in that institute
Fin is stated as the fin described in any one in claim 1-8.
10. heat exchanger according to claim 9, it is characterised in that the heat exchanger includes multiple fins and base tube
(20), wherein：
Bearing of trend of multiple fins along the base tube (20) is intervally arranged in parallel to each other, and/or
Multiple fins are arranged side by side along the airflow direction, and the base tube being arranged in rows is arranged with each fin
(20) it is interlaced arrangement or alignment, respectively to arrange the base tube (20) along the airflow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146751.XU CN207113688U (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721146751.XU CN207113688U (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207113688U true CN207113688U (en) | 2018-03-16 |
Family
ID=61574716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721146751.XU Active CN207113688U (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207113688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470076A (en) * | 2017-09-08 | 2019-03-15 | 美的集团股份有限公司 | Fin and heat exchanger |
-
2017
- 2017-09-08 CN CN201721146751.XU patent/CN207113688U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470076A (en) * | 2017-09-08 | 2019-03-15 | 美的集团股份有限公司 | Fin and heat exchanger |
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