CN109470075A - Fin and heat exchanger - Google Patents
Fin and heat exchanger Download PDFInfo
- Publication number
- CN109470075A CN109470075A CN201710803720.5A CN201710803720A CN109470075A CN 109470075 A CN109470075 A CN 109470075A CN 201710803720 A CN201710803720 A CN 201710803720A CN 109470075 A CN109470075 A CN 109470075A
- Authority
- CN
- China
- Prior art keywords
- fin
- hole
- base tube
- ontology
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/10—Secondary fins, e.g. projections or recesses on main fins
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to fin-tube heat exchanger fields, disclose a kind of fin and heat exchanger, the fin includes ontology (10), the through-hole (11) for being set with base tube (20) is offered on the ontology (10), is provided with the guide structure that the air-flow for flowing through the fin can be introduced to through-hole (11) rear around the through-hole (11) on the surface of the ontology (10).Fin of the invention can will flow through the tail area at the air-flow introducing base tube rear of fin by the guide structure that its surface is formed when in use, strengthen the heat transfer effect in tail area, air-flow can also be made to generate the secondary flow perpendicular to fin airflow direction simultaneously, to promote the exchange capability of heat of heat exchanger.
Description
Technical field
The present invention relates to fin-tube heat exchanger fields, more particularly to a kind of fin and contain the heat exchanger of the fin.
Background technique
Fin-tube heat exchanger is the most widely used a kind of heat exchange equipment in gas and liquid heat exchanger, is air-conditioning
With heat exchanger most common in refrigerator.Its by common base tube (such as round tube, elliptical tube or flat tube) install additional fin come
Achieve the purpose that augmentation of heat transfer.
Fin used at present has plain film, corrugated plate and slotted sheet etc., and wherein corrugated fin is because being capable of increasing fin
Heat exchange area improves the exchange capability of heat of fin and is used widely.But due to forming ripple in existing corrugated fin
Protrusion and recess portion are mostly alternately present along the airflow direction of fin, and air-flow can not be introduced to the tail area at base tube rear, thus
So that the tail area exchange capability of heat at base tube rear is poor, and then influence the heat exchange property of fin.
Summary of the invention
The purpose of the present invention is providing a kind of fin regarding to the issue above and containing the heat exchanger of the fin, the fin energy
It enough guides air-flow to enter the tail area at base tube rear, strengthens the heat transfer effect in tail area, to promote the exchange capability of heat of heat exchanger.
To achieve the goals above, the present invention provides a kind of fin, which includes ontology, opens up on the ontology useful
In the through-hole of suit base tube, it is provided with and the air-flow for flowing through the fin can be drawn around the through-hole on the surface of the ontology
Enter the guide structure at the through-hole rear.
Preferably, the guide structure include from the protrusion that the through-hole is alternately present outward and recess portion, the protrusion and
Center line symmetrical setting of the recess portion respectively about the through-hole.
Preferably, the protrusion and recess portion surround the through-hole respectively and are formed as rectangular or diamond shape, and described rectangular or water chestnut
Deviate the airflow direction of the fin in each side of shape.
Preferably, it is 15~75 ° that the side, which deviates from the deviation angle α of the airflow direction,.
Preferably, the protrusion and recess portion surround the through-hole respectively and are formed as ellipse or round.
Preferably, the spacing e between the adjacent protrusion or recess portion is 2~5mm, and/or
The protrusion height outstanding or the recessed depth of the recess portion are 0.3~2.5mm, it is described be alternately present it is convex
Portion and recess portion are formed as ripple struction, and the ripple inclination angle δ of the ripple struction is 60~156 °.
Preferably, multiple through-holes are offered on the ontology, and multiple through-holes are along the length side of the ontology
To being alternatively arranged.
Preferably, the spacing a between the center line of the adjacent through-hole is 12~25mm.
Preferably, the through-hole is formed as round, and the aperture of the through-hole is 5~9mm；And/or
The ontology is formed as rectangular, and the width or side length b of the ontology are 8~22mm.
The present invention also provides a kind of heat exchanger, which includes base tube and the fin that is set on the base tube, the wing
Piece is above-described fin.
Preferably, the heat exchanger includes multiple fins and base tube, in which:
Multiple fins are intervally arranged in parallel to each other along the extending direction of the base tube, and/or
Multiple fins are arranged side by side along the airflow direction, be arranged on each fin be arranged in rows it is described
Base tube, respectively arranging the base tube along the airflow direction is interlaced arrangement or alignment.
Preferably, the spacing d between the fin that the extending direction of the base tube is arranged is 0.8~2.5mm.
Through the above technical solutions, fin of the invention can will be flowed when in use by the guide structure that its surface is formed
Air-flow through fin introduces the tail area at base tube rear, strengthens the heat transfer effect in tail area, while it is vertical that air-flow can also be made to generate
In the secondary flow of fin airflow direction, to effectively promote the exchange capability of heat of heat exchanger.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of top view of embodiment of heat exchanger in the present invention, wherein illustrating only fin and base tube, and two
A fin is arranged side by side；
Fig. 2 be Fig. 1 and its A-A to cross-sectional view；
Fig. 3 is the perspective view of Fig. 1.
Description of symbols
10 ontology, 11 through-hole
12 protrusion, 13 recess portion
20 base tubes
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that the airflow direction of heretofore described fin refers to when fluid (such as air) flows into fin
Direction, referring specifically to the direction of arrow meaning in attached drawing.
The present invention provides a kind of fin, which includes ontology 10, offers on the ontology 10 for being set with base tube 20
Through-hole 11, the surface of the ontology 10 around the through-hole 11 be provided with can will flow through the fin air-flow introduce institute
State the guide structure at 11 rear of through-hole.
When in use, the fin can be introduced the air-flow for flowing through the fin by the guide structure that its surface is formed
The tail area at 20 rear of base tube, strengthens the heat transfer effect in tail area, while air-flow can also be made to generate perpendicular to fin airflow direction
Secondary flow, to promote the exchange capability of heat of heat exchanger.
A kind of preferred embodiment of guide structure described according to the present invention, as shown in Figure 1, the guide structure includes
From the protrusion 12 that the through-hole 11 is alternately present outward and recess portion 13, the protrusion 12 and recess portion 13 are respectively about the through-hole 11
Center line symmetrical setting.In this way, fraction can surround institute when air-flow flows through the fin along the airflow direction
The rear that the through-hole 11 is flowed under the protrusion 12 of the setting of through-hole 11 and the guidance of recess portion 13 is stated, to strengthen changing for 11 rear of through-hole
Thermal effect.Moreover, the setting of the protrusion 12 can not only increase the heat exchange area of the fin, moreover it is possible in the stream of the air-flow
The boundary layer of air-flow is interrupted on dynamic direction, to improve the heat exchange property of the fin.
Wherein, a kind of embodiment according to the present invention, the protrusion 12 and recess portion 13 surround 11 shape of through-hole respectively
As rectangular or diamond shape, and the airflow direction of the fin is deviateed on described rectangular or diamond shape each side.Make so described convex
The direction that portion 12 and recess portion 13 are alternately present is not orthogonal to the airflow direction, so as to which mass air flow is introduced the through-hole
11 rear, and crushing of the air-flow in flow process can also be reduced, effectively improve the heat exchange property of the fin.
Preferably, the deviation angle α that the side deviates from the airflow direction is 15~75 °.
Another embodiment according to the present invention, the protrusion 12 and recess portion 13 are formed as around the through-hole 11 respectively
Ellipse is round.The fin is enabled to enhance the streamline of air-flow while air-flow is introduced 11 rear of through-hole in this way
Property, crushing of the air-flow in flow process is reduced, to improve the heat exchange property of the fin.
In order to further strengthen the heat exchange property of fin of the invention, design parameter of the present invention also to the guide structure
It has carried out preferably, as shown in Figure 1-Figure 3, wherein the spacing e between the adjacent protrusion 12 or recess portion 13 is 2~5mm；Institute
It states the height outstanding of protrusion 12 or the recessed depth of the recess portion 13 is 0.3~2.5mm；12 He of protrusion being alternately present
Recess portion 13 is formed as ripple struction, and the ripple inclination angle δ of the ripple struction is 60~156 °.
In actual use, it can generally be arranged more foundation pipes 20 simultaneously on a fin.According to the present invention one
Preferred embodiment is planted, offers multiple through-holes 11 on the ontology 10, and multiple through-holes 11 are along the ontology 10
Length direction be alternatively arranged.
Wherein, preferably, the spacing a between the center line of the adjacent through-hole 11 is 12~25mm.
In the present invention, base tube 20 can be round tube, elliptical tube or flat tube.A kind of preferred implementation side according to the present invention
Formula, base tube 20 are round tube, and the through-hole 11 is formed as round, and the outer diameter (aperture of the i.e. described through-hole 11) of the round tube is preferably 5
~9mm.
In the present invention, ontology 10 can have arbitrary shape.A kind of preferred embodiment of middle ontology 10 according to the present invention,
As shown in Figure 1, the ontology 10 can be formed as rectangular, such as rectangle or square, the width or side length b of the ontology 10
Preferably 8~22mm, i.e., when the described ontology 10 is formed as rectangle, the width of the ontology 10 is preferably 8~22mm；Described
When the formation of body 10 is square, the side length of the ontology 10 is preferably 8~22mm.
The present invention also provides a kind of heat exchanger, which includes base tube 20 and the fin that is set on the base tube 20, institute
Stating fin is above-described fin.
In the present invention, the heat exchanger may include multiple fins and base tube 20.
Wherein, multiple fins and base tube 20 can be there are many arrangement modes.In order to realize with the smallest occupied space
Reach best heat transfer effect, the present invention provides three kinds of preferred arrangement modes of the fin and base tube 20: the first arrangement side
Formula is that multiple fins is made to be intervally arranged in parallel to each other along the extending direction of the base tube 20；Second of arrangement mode is to make
Multiple fins are arranged side by side along the airflow direction, and the base tube 20 being arranged in rows is arranged on each fin,
It is interlaced arrangement or alignment that the base tube 20, which is respectively arranged, along the airflow direction；The third arrangement mode is the first arrangement side
The multiple fin is grouped by the combination of formula and second of arrangement mode, multiple fins in every group are along the air-flow
Direction is arranged side by side, and the base tube 20 being arranged in rows is arranged on each fin, respectively arranges the base tube 20 along the gas
Flowing direction is interlaced arrangement or alignment；Extending direction between the fin of difference group along the base tube 20 is parallel to each other
Ground is intervally arranged.
In addition, preferably, as shown in figure 3, between the fin of the extending direction arrangement of the base tube 20
It is 0.8~2.5mm away from d.
Heat exchanger of the invention is by using above scheme, in use, and forms wave in existing corrugated fin
The protrusion of line is compared with recess portion along the structure that the airflow direction of fin is alternately present, and exchange capability of heat is able to ascend 15% or more.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (12)
1. a kind of fin, which includes ontology (10), and the through-hole for being set with base tube (20) is offered on the ontology (10)
(11), which is characterized in that the fin can will be flowed through by being provided on the surface of the ontology (10) around the through-hole (11)
Air-flow introduce the guide structure at through-hole (11) rear.
2. fin according to claim 1, which is characterized in that the guide structure includes from the through-hole (11) to diplomacy
The center line of protrusion (12) and recess portion (13) for appearance, the protrusion (12) and recess portion (13) respectively about the through-hole (11)
It is symmetrical arranged.
3. fin according to claim 2, which is characterized in that the protrusion (12) and recess portion (13) are respectively around described logical
Hole (11) is formed as rectangular or diamond shape, and the airflow direction of the fin is deviateed on described rectangular or diamond shape each side.
4. fin according to claim 3, which is characterized in that the side deviates from the deviation angle α of the airflow direction
It is 15~75 °.
5. fin according to claim 2, which is characterized in that the protrusion (12) and recess portion (13) are respectively around described logical
Hole (11) is formed as ellipse or round.
6. fin according to claim 2, which is characterized in that between the adjacent protrusion (12) or recess portion (13)
It is 2~5mm away from e, and/or
Protrusion (12) height outstanding or the recessed depth of the recess portion (13) are 0.3~2.5mm, described to be alternately present
Protrusion (12) and recess portion (13) be formed as ripple struction, the ripple inclination angle δ of the ripple struction is 60~156 °.
7. fin according to claim 1, which is characterized in that offer multiple through-holes on the ontology (10)
(11), and multiple through-holes (11) are alternatively arranged along the length direction of the ontology (10).
8. fin according to claim 7, which is characterized in that the spacing a between the center line of the adjacent through-hole (11)
For 12~25mm.
9. fin according to claim 1, which is characterized in that the through-hole (11) is formed as round, the through-hole (11)
Aperture be 5~9mm；And/or
The ontology (10) is formed as rectangular, and the width or side length b of the ontology (10) are 8~22mm.
10. a kind of heat exchanger, which includes base tube (20) and the fin that is set on the base tube (20), which is characterized in that
The fin is fin described in any one of claim 1-9.
11. heat exchanger according to claim 10, which is characterized in that the heat exchanger includes multiple fins and base tube
(20), in which:
Multiple fins are intervally arranged in parallel to each other along the extending direction of the base tube (20), and/or
Multiple fins are arranged side by side along the airflow direction, and the base tube being arranged in rows is arranged on each fin
(20), respectively arranging the base tube (20) along the airflow direction is interlaced arrangement or alignment.
12. heat exchanger according to claim 11, which is characterized in that the institute to arrange along the extending direction of the base tube (20)
Stating the spacing d between fin is 0.8~2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803720.5A CN109470075B (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803720.5A CN109470075B (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109470075A true CN109470075A (en) | 2019-03-15 |
| CN109470075B CN109470075B (en) | 2024-04-30 |
Family
ID=65657746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803720.5A Active CN109470075B (en) | 2017-09-08 | 2017-09-08 | Fin and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109470075B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7569524B2 (en) | 2019-07-26 | 2024-10-18 | 株式会社アタゴ製作所 | Heat exchange promotion member and heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141880A (en) * | 1996-11-12 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Heat exchanger with fin |
| CN202255028U (en) * | 2011-07-14 | 2012-05-30 | 许昌怡家电器有限公司 | Enhanced heat exchange fin |
| CN104110993A (en) * | 2014-08-01 | 2014-10-22 | 兰州交通大学 | Streamline iso-amplitude wavy fin for round tube fin heat exchanger |
| CN207439232U (en) * | 2017-09-08 | 2018-06-01 | 美的集团股份有限公司 | Fin and heat exchanger |
-
2017
- 2017-09-08 CN CN201710803720.5A patent/CN109470075B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141880A (en) * | 1996-11-12 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Heat exchanger with fin |
| CN202255028U (en) * | 2011-07-14 | 2012-05-30 | 许昌怡家电器有限公司 | Enhanced heat exchange fin |
| CN104110993A (en) * | 2014-08-01 | 2014-10-22 | 兰州交通大学 | Streamline iso-amplitude wavy fin for round tube fin heat exchanger |
| CN207439232U (en) * | 2017-09-08 | 2018-06-01 | 美的集团股份有限公司 | Fin and heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7569524B2 (en) | 2019-07-26 | 2024-10-18 | 株式会社アタゴ製作所 | Heat exchange promotion member and heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109470075B (en) | 2024-04-30 |
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