CN101691975B - Fin used for heat exchanger and heat exchanger provided with fin - Google Patents
Fin used for heat exchanger and heat exchanger provided with fin Download PDFInfo
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- CN101691975B CN101691975B CN2009101681964A CN200910168196A CN101691975B CN 101691975 B CN101691975 B CN 101691975B CN 2009101681964 A CN2009101681964 A CN 2009101681964A CN 200910168196 A CN200910168196 A CN 200910168196A CN 101691975 B CN101691975 B CN 101691975B
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- heat exchanger
- straightway
- radius
- curved section
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Abstract
The invention provides a fin used for a heat exchanger and the heat exchanger provided with the fin. The fin comprises straight line sections and curve sections positioned between two adjacent straight line sections. Each curve section is connected with a first straight line section and a second straight line section which are adjacent, an imaginary straight line which is approximately parallel to the extending direction of the fin is contacted with the curve section at a contact part, and the distance from the contact part to the second straight line section is greater than the distance from the contact part to the first straight line section. Therefore, during compacting, the straight line section at the first straight line section side cannot be deformed so as to improve air flow in the fin.
Description
Technical field
The present invention relates to a kind of heat exchanger that is used for the fin of heat exchanger and has this fin, especially for the fin of parallel flow heat exchanger and parallel flow heat exchanger with this fin.
Background technology
As shown in figs. 1 and 2, the fin 10 that has flat tube 20 and be arranged alternately such as the heat exchanger of parallel-flow heat exchanger, micro-channel heat exchanger or minichannel heat exchanger with flat tube.Each fin between two planes, promptly on the fin bearing of trend, extends substantially.Fin comprise straightway 14 and the curved section between two adjacent straight line segments 14 12 '.With the imaginary line of fin 10 ' bearing of trend almost parallel at contact point place and curved section 12 ' contact.Above-mentioned curved section, straightway, imaginary line and contact point are actually curved sections, planar section, imaginary plane and contact straight line.For the convenience on describing, at the profile or the front view (Fig. 1-4) of heat exchanger, adopt above-mentioned term and other similar term to be described in this specification.
Above-mentioned fin 10 ' tie up in the process in heat exchanger production, a compaction process of flat tube 20 and fin 10 before the welding ' have.Because two straightways of same circular arc correspondence are stressed evenly, two straightways all have distortion in various degree after binding, thereby influence air flowing in fin, influence heat exchange property.
Summary of the invention
The purpose of this invention is to provide a kind of heat exchanger that is used for the fin of heat exchanger and has this fin, improve heat exchange property thus.
According to an aspect of the present invention, the invention provides a kind of fin that is used for heat exchanger, this fin comprises: straightway; And the curved section between two adjacent straight line segments, wherein each curved section links to each other with second straightway with adjacent first straightway, and contact with curved section in the contact site office with the imaginary line of fin bearing of trend almost parallel, the distance of contact portion distance second straightway is bigger than the distance of distance first straightway.
According to a further aspect in the invention, the described contact portion point of contact that is contact point or imaginary line and curved section.
The spacing of first according to a further aspect in the invention, the adjacent straightway and the mid point of second straightway is 0.5mm～0.9mm.
According to a further aspect in the invention, each curved section comprises and close first curved section of first straightway and second curved section close with second straightway.
According to a further aspect in the invention, described first curved section is first circular arc with first radius, and described second curved section is second circular arc with second radius, and wherein first radius is less than second radius.
According to a further aspect in the invention, the ratio of second radius of first radius of described first circular arc and described second circular arc is 1/5～2/3.
According to a further aspect in the invention, first radius of described first circular arc is less than or equal to 0.2mm, and second radius of described second circular arc is more than or equal to 0.35mm.
In accordance with a further aspect of the present invention, the invention provides a kind of fin that is used for heat exchanger, this fin comprises: straightway; And the curved section between two adjacent straight line segments, wherein each curved section links to each other with second straightway with adjacent first straightway, and comprise and close first circular arc of first straightway and second circular arc with second radius close that wherein first radius is less than second radius with second straightway with first radius.
According to a further aspect in the invention, the invention provides a kind of heat exchanger, this heat exchanger comprises: be used for the parallel fluid passage of a plurality of cardinal principles of heat exchange, and fin, described fin and described fluid passage are arranged alternately and are any fins in the such scheme.
According to a further aspect in the invention, described heat exchanger is parallel-flow heat exchanger, micro-channel heat exchanger or minichannel heat exchanger.
The present invention in compaction process, can guarantee that the first straightway side straightway is indeformable thus by adopting said structure, thereby the air that has improved in the fin flows.
For the technical scheme that adopts first circular arc and second circular arc, the fin of this design is made up of great circle segmental arc, little arc section and straightway alternate cycle.This design is in compaction process, the support force difference of size arc section, the support force of little circular arc can be greater than the support force of orthodrome, thereby can make straightway distortion earlier near orthodrome, after the distortion of orthodrome straightway, can discharge the thrust that compresses the place, thereby can guarantee that roundlet arc side straightway is indeformable, thereby the air that has improved in the fin flows.
Description of drawings
Fig. 1 is the schematic front view of the fin of prior art.
Fig. 2 is the schematic front view of fin in assembling process of describing prior art.
Fig. 3 is the schematic front view according to the fin of first embodiment of the invention.
Fig. 4 is the schematic front view according to the fin of second embodiment of the invention.
Fig. 5 is the schematic front view of fin in assembling process of describing according to the embodiment of the invention.
The specific embodiment
The present invention will be further described below in conjunction with the drawings and the specific embodiments.
Embodiment 1
As shown in Figure 3, the fin 10 that is used for heat exchanger according to the present invention comprises: straightway 14 and the curved section between two adjacent straight line segments 14 12.Wherein each curved section 12 links to each other with adjacent straightway 14, and contact with curved section 12 at contact portion 16 places with the imaginary line 30 of fin bearing of trend (being roughly the horizontal direction among Fig. 3) almost parallel, contact portion 16 is apart from the distance of the straightway on the right side distance bigger (referring to Fig. 3) than the straightway in distance left side.Curved section 12 can be any suitable curve, or is formed by connecting by the multistage curve.Contact portion 16 can be the point of contact of contact point or imaginary line and curved section.Also can flat board be placed on the fin 10 imagination, dull and stereotyped surface and curved section 12 form contact portion 16.Contact portion 16 can be contact point or the surface of flat board and the point of contact of curved section.
In the fin compaction process of this design, as shown in Fig. 3 and Fig. 5, first curved section 121 (left part) of curved section 12 is different with the support force of second curved section 122 (right side part), the support force of first curved section 121 can be greater than the support force of second curved section 122, thereby can make straightway distortion earlier near second curved section 122, after the straightway distortion near second curved section 122, can discharge the thrust that compresses the place, thereby the straightway that can guarantee close first curved section 121 is indeformable, thereby the air that has improved in the fin flows.
First curved section 121 can be first circular arc with first radius, and described second curved section 122 can be second circular arc with second radius, and first radius is less than second radius.
The ratio of first radius of described first circular arc and second radius of described second circular arc can be 1/5～2/3.First radius of described first circular arc can be less than or equal to 0.2mm, and second radius of described second circular arc can be more than or equal to 0.35mm.The spacing of the mid point of adjacent straightway can be 0.5mm～0.9mm.Contact portion 16 also can be one section straight line that extends along the left and right directions among the figure etc.In addition, even curved section 12 is designed to imaginary line 30 tangent, because foozle, curved section 12 also may contact along one section straight line with imaginary line 30.
Embodiment 2
As shown in Figure 4, the fin that is used for heat exchanger 10 according to the embodiment of the invention comprises straightway 14 and the curved section between two adjacent straight line segments 14 12.Each curved section 12 links to each other with adjacent straightway 14, and comprise and close first circular arc 121 of left side straightway 14 and second circular arc 122 with second radius close, and first radius is less than second radius with the right side straightway with first radius.
The ratio of first radius of described first circular arc and second radius of described second circular arc can be 1/5～2/3.First radius of described first circular arc can be less than or equal to 0.2mm, and second radius of described second circular arc can be more than or equal to 0.35mm.The spacing of the mid point of adjacent straightway can be 0.5mm～0.9mm.
The fin of this design is made up of great circle segmental arc, little arc section and straightway alternate cycle.This design is in compaction process, the support force difference of size arc section, the support force of little circular arc can be greater than the support force of orthodrome, thereby can make straightway distortion earlier near orthodrome, after the distortion of orthodrome straightway, can discharge the thrust that compresses the place, thereby can guarantee that roundlet arc side straightway is indeformable, thereby the air that has improved in the fin flows.
Among above-mentioned two embodiment, only the curved section at upside in the accompanying drawing has adopted term " left side " and " right side " to be described, and this term only is for the convenience on describing, and is not the qualification to technical scheme of the present invention.As can be seen from the figure, after the fin turnback, situation also is same.
Heat exchanger according to the present invention comprises the parallel fluid passage 20 of a plurality of cardinal principles that is used for heat exchange, and fin 10, and described fin 10 is arranged alternately with described fluid passage.Passage 20 can be a flat tube etc.Heat exchanger can be parallel-flow heat exchanger, micro-channel heat exchanger or minichannel heat exchanger etc.
In the foregoing description, curved section 12 can be made up of two sections curved sections, also can comprise the multistage curved section.Described two sections curved sections can be tangent and the multistage curved section in adjacent curved section can be tangent.In addition, each curved section 12 can be tangent with corresponding two straightways.In addition, curved section 12 can be the convex curve towards the outside of fin projection.
Claims (13)
1. fin that is used for heat exchanger comprises:
Straightway; And
Curved section between two adjacent straight line segments,
Wherein each curved section links to each other with second straightway with adjacent first straightway, and contact with described curved section with the imaginary line of fin bearing of trend almost parallel, the distance of contact portion distance second straightway of described imaginary line and described curved section is bigger than the distance of distance first straightway.
2. the fin that is used for heat exchanger according to claim 1, wherein
Described contact portion is the contact point of imaginary line and curved section.
3. the fin that is used for heat exchanger according to claim 1, wherein
Described contact portion is the point of contact of imaginary line and curved section.
4. the fin that is used for heat exchanger according to claim 1, wherein
The spacing of the first adjacent straightway and the mid point of second straightway is 0.5mm～0.9mm.
5. according to claim 2 or the 3 described fins that are used for heat exchanger, wherein
Each curved section comprises and close first curved section of first straightway and second curved section close with second straightway.
6. the fin that is used for heat exchanger according to claim 5, wherein
Described first curved section is first circular arc with first radius, and described second curved section is second circular arc with second radius, and wherein first radius is less than second radius.
7. the fin that is used for heat exchanger according to claim 6, wherein
The ratio of first radius of described first circular arc and second radius of described second circular arc is 1/5～2/3.
8. the fin that is used for heat exchanger according to claim 6, wherein
First radius of described first circular arc is less than or equal to 0.2mm, and second radius of described second circular arc is more than or equal to 0.35mm.
9. fin that is used for heat exchanger comprises:
Straightway; And
Curved section between two adjacent straight line segments,
Wherein each curved section links to each other with second straightway with adjacent first straightway, and comprise and close first circular arc of first straightway and second circular arc with second radius close that wherein first radius is less than second radius with second straightway with first radius.
10. the fin that is used for heat exchanger according to claim 9, wherein
The ratio of first radius of described first circular arc and second radius of described second circular arc is 1/5～2/3.
11. the fin that is used for heat exchanger according to claim 9, wherein
First radius of described first circular arc is less than or equal to 0.2mm, and second radius of described second circular arc is more than or equal to 0.35mm.
12. a heat exchanger comprises:
The parallel fluid passage of a plurality of cardinal principles that is used for heat exchange, and
Fin, described fin and described fluid passage are arranged alternately and are according to each the described fin in the claim 1 to 11.
13. heat exchanger according to claim 12, wherein
Described heat exchanger is parallel-flow heat exchanger, micro-channel heat exchanger or minichannel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101681964A CN101691975B (en) | 2009-09-03 | 2009-09-03 | Fin used for heat exchanger and heat exchanger provided with fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101681964A CN101691975B (en) | 2009-09-03 | 2009-09-03 | Fin used for heat exchanger and heat exchanger provided with fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101691975A CN101691975A (en) | 2010-04-07 |
| CN101691975B true CN101691975B (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101681964A Active CN101691975B (en) | 2009-09-03 | 2009-09-03 | Fin used for heat exchanger and heat exchanger provided with fin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101691975B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015215053A1 (en) * | 2015-08-06 | 2017-02-09 | Mahle International Gmbh | Heat exchanger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1902455A (en) * | 2004-01-12 | 2007-01-24 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Fin for heat exchanger and heat exchanger equipped with such fins |
| CN201074967Y (en) * | 2007-07-30 | 2008-06-18 | 潍坊恒安散热器集团有限公司 | Aluminum intercooler |
-
2009
- 2009-09-03 CN CN2009101681964A patent/CN101691975B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1902455A (en) * | 2004-01-12 | 2007-01-24 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Fin for heat exchanger and heat exchanger equipped with such fins |
| CN201074967Y (en) * | 2007-07-30 | 2008-06-18 | 潍坊恒安散热器集团有限公司 | Aluminum intercooler |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2000-193388A 2000.07.14 |
| JP特开2001-255091A 2001.09.21 |
| JP特开平10-197180A 1998.07.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101691975A (en) | 2010-04-07 |
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Owner name: DANFOSS AS Effective date: 20120802 Owner name: SANHUA HOLDING GROUP CO., LTD. Free format text: FORMER OWNER: DANFOSS-SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD. Effective date: 20120802 |
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Free format text: CORRECT: ADDRESS; FROM: 310018 HANGZHOU, ZHEJIANG PROVINCE TO: 312500 SHAOXING, ZHEJIANG PROVINCE |
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Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee after: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60 Patentee before: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120802 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Co-patentee after: DANFOSS A/S Patentee after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289 Patentee before: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
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Owner name: HANGZHOU SANHUA MICRO CHANNEL HEAT EXCHANGER CO., Free format text: FORMER OWNER: SANHUA HOLDING GROUP CO., LTD. Effective date: 20150303 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 312500 SHAOXING, ZHEJIANG PROVINCE TO: 310018 HANGZHOU, ZHEJIANG PROVINCE |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20100407 Assignee: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Assignor: SANHUA HOLDING GROUP Co.,Ltd. Contract record no.: 2015990000010 Denomination of invention: Fin used for heat exchanger and heat exchanger provided with fin Granted publication date: 20110629 License type: Common License Record date: 20150106 |
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Effective date of registration: 20150303 Address after: 310018, No. 289-1, No. 12, Poplar Street, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Patentee after: DANFOSS A/S Address before: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee before: SANHUA HOLDING GROUP Co.,Ltd. Patentee before: DANFOSS A/S |