CN204115545U - A kind of fin of heat exchanger - Google Patents
A kind of fin of heat exchanger Download PDFInfo
- Publication number
- CN204115545U CN204115545U CN201420577693.6U CN201420577693U CN204115545U CN 204115545 U CN204115545 U CN 204115545U CN 201420577693 U CN201420577693 U CN 201420577693U CN 204115545 U CN204115545 U CN 204115545U
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- Prior art keywords
- plate body
- pipe
- heat exchanger
- box portion
- heat exchange
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Abstract
The utility model discloses a kind of fin of heat exchanger, comprise plate body, this plate body is provided with several heat exchange mouths of pipe, the structure of each heat exchange mouth of pipe is all identical, the described heat exchange mouth of pipe includes the pipe box portion that vertical plate body protrudes out, the endoporus in this pipe box portion is for installing heat exchanger tube, described pipe box portion is arranged to uncovered shape away from one end of plate body, one end adjacent with plate body, described pipe box portion is connected with plate body, described plate body is the position that pipe box portion connects is provided with circular flange, the protrusion direction of this flange and pipe box portion to protrude out direction contrary.This fin has anti-bounce-back structure, can with heat exchanger tube secure fit, be particularly useful for having the assembling of the heat exchanger tube of Memorability bounce-back, can greatly improve laminating rate.
Description
Technical field
The utility model relates to a kind of fin, refers to a kind of fin of heat exchanger especially.
Background technology
The core of nest plate type heat exchanger comprises the heat exchanger tube being positioned at center, and the two ends of heat exchanger tube are fixed with tube sheet, and two
Be densely covered with fin between tube sheet, described fin is sleeved on heat exchanger tube.Fin is one of main heat sink parts in nest plate type heat exchanger.Fin in the nest plate type heat exchanger of current most domestic manufacturer production, comprise plate body, plate body is provided with several heat exchange pores, described plate body is a plane base plate, air is advection state when flowing through this kind of fin, causes radiating effect undesirable; And fin and heat exchanger tube dilate after laminating rate general lower, can only reach between 75% ~ 85%, heat exchange effect is poor.Especially titanium alloy etc. have the heat exchanger tube of Memorability bounce-back, because this type of heat exchanger tube can in use rebound retraction, cause laminating rate between heat exchanger tube and fin more lower than 50%, have had a strong impact on heat exchange effect, the common increase of thermal resistance.
Utility model content
Technical problem to be solved in the utility model is: the fin providing a kind of radiator, and this fin has anti-bounce-back structure, can with heat exchanger tube secure fit, be particularly useful for having the assembling of the heat exchanger tube of Memorability bounce-back, can greatly improve laminating rate.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of fin of heat exchanger, comprise plate body, this plate body is provided with several heat exchange mouths of pipe, the structure of each heat exchange mouth of pipe is all identical, the described heat exchange mouth of pipe includes the pipe box portion that vertical plate body protrudes out, the endoporus in this pipe box portion is for installing heat exchanger tube, described pipe box portion is arranged to uncovered shape away from one end of plate body, one end adjacent with plate body, described pipe box portion is connected with plate body, described plate body is the position that pipe box portion connects is provided with circular flange, the protrusion direction of this flange and pipe box portion to protrude out direction contrary.
As the preferred scheme of one, the shape of cross section that described circular flange is is arc-shaped.
As the preferred scheme of one, described plate body is provided with the projection uniform relative to each heat exchange mouth of pipe center circumferential, this projection protrude out direction and pipe box portion to protrude out direction identical.
As the preferred scheme of one, described projection comprises the semisinusoidal wave heave of four sections of relative heat exchange mouth of pipe circumference uniform distributions, and this half-sine wave projection take cross section as the circular arc extension of semisinusoidal waveform, and the center of circle of this circular arc extension is the center of circle of the heat exchange mouth of pipe.
As the preferred scheme of one, described plate body is also provided with several trapezoidal projections, this trapezoidal projection is between the adjacent two heat exchange mouths of pipe, and the surrounding of each cannula portion is uniformly distributed four trapezoidal projections.
As the preferred scheme of one, described plate body is provided with laciniation at air intake and edge, air side.
After have employed technique scheme, effect of the present utility model is: one end adjacent with plate body due to described pipe box portion is connected with plate body, described plate body is the position that pipe box portion connects is provided with circular flange, the protrusion direction of this flange and pipe box portion to protrude out direction contrary, first, this flange can strengthen the intensity of plate body, next devises flange makes plate body be provided with certain flexibility, so when the titanium pipe with memory effect is as heat exchanger tube, can heat exchange mouth of pipe elasticity open when being inserted into the heat exchange mouth of pipe after titanium pipe expand tube, and when heat exchanger tube reclaims due to memory effect, now this flanged structure elasticity and to heat exchanger tube retraction draw close, make heat exchanger tube and heat exchanger tube mouth tight structure, thus substantially increase laminating rate, reduce thermal resistance.
Again owing to described plate body being provided with the projection uniform relative to each heat exchange mouth of pipe center circumferential, this projection protrude out direction and pipe box portion to protrude out direction identical, prevent and decline rapidly at the air fluid coefficient on heat exchanger tube surface, avoid air according to the flowing of advection state, make radiating effect.
Again due to described plate body being provided with laciniation at air intake and edge, air side.This zigzag, when air flowing air intake, air flowing is disturbed, air air intake is flowed at the uniform velocity, effectively disturb " boundary-layer " effect of fin surface, make that the thermal resistance of " boundary-layer " is less, thermograde is less, more be conducive to heat exchange, also add the rigidity of fin edges in addition, improve the shock resistance of fin.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the sectional view of Fig. 1 in A-A direction;
Fig. 3 is the profile of Fig. 1 at B-B;
In accompanying drawing: 1. plate body; 2. the heat exchange mouth of pipe; 3. semisinusoidal wave heave; 4. trapezoidal projection; 5. cannula portion; 6. flange.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail.
As Fig. 1, 2, shown in 3, a kind of fin of heat exchanger, comprise plate body 1, described plate body 1 is provided with laciniation at air intake and edge, air side, this laciniation extends to inlet side and the edge, air side of whole plate body 1, this plate body is provided with several heat exchange mouths of pipe 2, the structure of each heat exchange mouth of pipe 2 is all identical, each heat exchange mouth of pipe 2 measure-alike, the described heat exchange mouth of pipe 2 includes the pipe box portion that vertical plate body 1 protrudes out, the endoporus in this pipe box portion is for installing heat exchanger tube, described pipe box portion is arranged to uncovered shape away from one end of plate body 1, one end adjacent with plate body 1, described pipe box portion is connected with plate body 1, described plate body 1 is the position that pipe box portion connects is provided with circular flange 6, the protrusion direction of this flange 6 and pipe box portion to protrude out direction contrary.The shape of cross section that described circular flange 6 is is arc-shaped, and certainly, this flange 6 also can be half-sine wave flange 6.The center of circle of this circular flange 6 is concentric with the center of circle of the heat exchange mouth of pipe 2, described plate body 1 is provided with the projection uniform relative to each heat exchange mouth of pipe 2 center circumferential, this projection protrude out direction and pipe box portion to protrude out direction identical.Described projection comprises the semisinusoidal wave heave 3 of the four sections of relative heat exchange mouth of pipe 2 circumference uniform distributions, and this half-sine wave projection take cross section as the circular arc extension of semisinusoidal waveform, and the center of circle of this circular arc extension is the center of circle of the heat exchange mouth of pipe 2.That four discrete projections can make to carry out disturbance to air around each heat exchange mouth of pipe 2, avoid advection, also facilitate air to flow simultaneously, in addition, described plate body 1 is also provided with several trapezoidal protruding 4, these are trapezoidal protruding 4 between the adjacent two heat exchange mouths of pipe 2, and the surrounding of each cannula portion 5 is uniformly distributed four trapezoidal protruding 4.As shown in Figure 1, be in four trapezoidal protruding 4 around same cannula portion 5, be in top two trapezoidal protruding 4 go to the bottom upward, and be in below two trapezoidal be go to the bottom down.
During use, heat exchanger tube to be inserted in the heat exchange mouth of pipe 2 and expand tube, and the insertion that the opening end of cannula portion 5 is conducive to heat exchanger tube simultaneously cannula portion 5 also facilitate the location of spacing between each heat exchanger tube.This flange 6 can strengthen the intensity of plate body 1, plate body 1 is made to be provided with certain flexibility, when the titanium pipe with memory effect is as heat exchanger tube, the heat exchange mouth of pipe 2 elasticity to open when being inserted into the heat exchange mouth of pipe 2 after titanium pipe expand tube, and when heat exchanger tube reclaims due to memory effect, now this flange 6 structure elasticity and draw close to heat exchanger tube, make heat exchanger tube and the heat exchange mouth of pipe 2 tight structure, thus substantially increase laminating rate, reduce thermal resistance, improve rate of heat exchange.
Claims (6)
1. the fin of a heat exchanger, comprise plate body, this plate body is provided with several heat exchange mouths of pipe, it is characterized in that: the structure of each heat exchange mouth of pipe is all identical, the described heat exchange mouth of pipe includes the pipe box portion that vertical plate body protrudes out, the endoporus in this pipe box portion is for installing heat exchanger tube, described pipe box portion is arranged to uncovered shape away from one end of plate body, one end adjacent with plate body, described pipe box portion is connected with plate body, described plate body is the position that pipe box portion connects is provided with circular flange, the protrusion direction of this flange and pipe box portion to protrude out direction contrary.
2. the fin of a kind of heat exchanger as claimed in claim 1, is characterized in that: the shape of cross section that described circular flange is is arc-shaped.
3. the fin of a kind of heat exchanger as claimed in claim 1, is characterized in that: described plate body is provided with the projection uniform relative to each heat exchange mouth of pipe center circumferential, this projection protrude out direction and pipe box portion to protrude out direction identical.
4. the fin of a kind of heat exchanger as claimed in claim 3, it is characterized in that: described projection comprises the semisinusoidal wave heave of four sections of relative heat exchange mouth of pipe circumference uniform distributions, this half-sine wave projection take cross section as the circular arc extension of semisinusoidal waveform, and the center of circle of this circular arc extension is the center of circle of the heat exchange mouth of pipe.
5. the fin of a kind of heat exchanger as claimed in claim 4, is characterized in that: described plate body is also provided with several trapezoidal projections, and this trapezoidal projection is between the adjacent two heat exchange mouths of pipe, and the surrounding of each cannula portion is uniformly distributed four trapezoidal projections.
6. the fin of a kind of heat exchanger as claimed in claim 5, is characterized in that, described plate body is provided with laciniation at air intake and edge, air side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577693.6U CN204115545U (en) | 2014-10-08 | 2014-10-08 | A kind of fin of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577693.6U CN204115545U (en) | 2014-10-08 | 2014-10-08 | A kind of fin of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204115545U true CN204115545U (en) | 2015-01-21 |
Family
ID=52332846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420577693.6U Active CN204115545U (en) | 2014-10-08 | 2014-10-08 | A kind of fin of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204115545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514928A (en) * | 2016-06-16 | 2017-12-26 | 苏州三星电子有限公司 | A kind of fin and finned heat exchanger with decrease of noise functions |
| CN112066776A (en) * | 2020-08-04 | 2020-12-11 | 西安交通大学 | Bionic slotted corrugated fin for air-conditioning heat exchanger |
-
2014
- 2014-10-08 CN CN201420577693.6U patent/CN204115545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514928A (en) * | 2016-06-16 | 2017-12-26 | 苏州三星电子有限公司 | A kind of fin and finned heat exchanger with decrease of noise functions |
| CN112066776A (en) * | 2020-08-04 | 2020-12-11 | 西安交通大学 | Bionic slotted corrugated fin for air-conditioning heat exchanger |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |