CN101706225B - Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger - Google Patents
Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger Download PDFInfo
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- CN101706225B CN101706225B CN2009102064825A CN200910206482A CN101706225B CN 101706225 B CN101706225 B CN 101706225B CN 2009102064825 A CN2009102064825 A CN 2009102064825A CN 200910206482 A CN200910206482 A CN 200910206482A CN 101706225 B CN101706225 B CN 101706225B
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Abstract
The invention discloses a fin used for a micro-channel heat exchanger. The heat exchanger comprises a plurality of flat pipes (2) which are mainly horizontally arranged; the fin is fixedly connected between two adjacent flat pipes (2) and extends along the flat pipes (2) in a wave-line mode; the fin extends out of the outermost end of the flat pipes (2) for a proper distance at a leeward side to form a fin extension part (1); and the wave hollow of the fin extension part (1) is provided with a channel for draining condensed water. The fin has higher drainage performance. In addition, the invention also discloses a heat exchanger comprising the fin and a heat exchanging device comprising the heat exchanger.
Description
Technical field
The present invention relates to technical field of heat exchangers, particularly a kind of fin that is used for heat exchanger; The present invention relates to a kind of heat exchanger that comprises this fin in addition; The invention still further relates to a kind of heat-exchange device that comprises this heat exchanger.
Background technology
Concurrent flow/micro-channel evaporator surface in running can produce condensed water, thereby influences the mobile performance of the heat transfer property and the air of heat exchanger.
Please refer to Fig. 1, a kind of structural representation of typical heat exchanger in Fig. 1 prior art.
In order to improve the drainage performance of micro-channel evaporator, generally need be with the flat tube 2 of micro-channel heat exchanger ' vertically be provided with, this moment header 3 ' be horizontally disposed with, as shown in Figure 1; Checking by experiment, the arrangement of this flat tube adopts common fin 1 ' design, and condensed water is more successfully got rid of from top to bottom.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of prolate type heat exchanger in the prior art.
For prolate type heat exchanger as shown in Figure 2, its flat tube 2 ' vertically install adopts conventional fin 1 ' design, though have better drainage performance, has following problem:
The first, header 3 ' longer, thereby manufacturing cost is higher;
The second, header 3 ' longer, thereby cold-producing medium distributed uniform difficulty increases;
The 3rd, the stuffy heat exchange of header 3 ' be, header 3 ' long more, it is just big more to hinder air flow area, thereby effective heat exchange area is reduced;
The 4th, flat tube 2 ' quantity is many, and promptly refrigerant passage is many, and flat tube 2 ' inner refrigerant flow velocity is low, and heat exchange property is poor.
In sum, for the prolate type heat exchanger, the mode of its flat tube 2 ' vertically install is worthless, thereby just need be with flat tube 2 ' be horizontally disposed with.
Please refer to Fig. 3, Fig. 3 is the structural representation of another kind of typical prolate type heat exchanger in the prior art.
The flat tube 2 of prolate type heat exchanger shown in Figure 3 ' be horizontally disposed with, thereby four problems being brought of above-mentioned flat tube 2 ' vertically be provided with have been solved, but this setup, if still adopt conventional fin 1 ' design, the difficult problem that then can bring condensed water to get rid of, confirm that by experiment condensed water can be by horizontally disposed flat tube 2 ' catch, and to have condensed water greatly to accumulate in Wavelike finned 1 ' the trough place.
Please refer to Fig. 4, Fig. 4 is the cross-sectional view of another kind of typical prolate type heat exchanger in the prior art.
Because the capillary effect of water, most condensed water can accumulate in the leeward side of heat exchanger, and described leeward side is roughly the part that the oval figure of institute gets up among Fig. 4.
As from the foregoing, how getting rid of the condensed water that the prolate type heat exchanger produces effectively, is the problem that those skilled in the art need solution badly.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of fin that is used for heat exchanger, and this fin has higher drainage performance; Another technical problem that will solve of the present invention is for providing a kind of heat exchanger that comprises described fin; Another technical problem that will solve of the present invention is for providing a kind of heat-exchange device that comprises this heat exchanger.
For solving the problems of the technologies described above, the invention provides a kind of fin, be used for heat exchanger, described heat exchanger comprises the horizontally disposed flat tube of a plurality of cardinal principles, described fin is fixedly connected between two adjacent described flat tubes, and axially extends with the wave form along described flat tube; Described fin exceeds the outermost end of described flat tube at leeward side distance is 1mm～3mm, forms the fin extension; The trough of described fin extension is provided with the passage of drainage condensed water; The diapire of the trough of described fin extension is cut with the flange that is bent downwardly and bends towards described flat tube, and described flange forms the passage of described drainage condensed water.
Preferably, the reclinate angle of described flange equals 90 ° substantially.
Preferably, pass through the smooth connection of arc connecting portion between the surface of the diapire of the trough of the surface of described flange and described fin extension.
Preferably, the length of described flange equals described fin exceeds described flat tube outermost end at leeward side distance substantially.
Preferably, described flange is shaped as quadrangle.
Described flange be shaped as triangle.
Preferably, described fin is concordant with described flat tube at windward side.
In addition, for solving the problems of the technologies described above, the present invention also provides a kind of heat exchanger, comprises above-mentioned each described fin.
Moreover for solving the problems of the technologies described above, the present invention also provides a kind of heat-exchange device, comprises above-mentioned heat exchanger.
Under the effect of air stream, the condensed water major part that the flat tube surface is produced accumulates in the leeward side of heat exchanger, and assembles to the trough of fin gradually.
On the basis of existing technology, fin provided by the present invention exceeds the suitable distance of outermost end of described flat tube at leeward side, forms the fin extension, and the trough of described fin extension is provided with the passage of drainage condensed water.
Thereby the condensed water that accumulates in leeward side trough place can flow out by the drainage channel that is arranged at the trough place, thereby solved the queueing problem of condensed water.
In a kind of specific embodiment, the diapire of described trough is cut with the flange that is bent downwardly and bends towards described flat tube, and described flange forms the passage of described drainage condensed water.
Under the capillary effect of water, condensed water can flow down along described flange, thereby has solved the queueing problem of condensed water effectively.
Description of drawings
A kind of structural representation of typical heat exchanger in Fig. 1 prior art;
Fig. 2 is the structural representation of a kind of prolate type heat exchanger in the prior art;
Fig. 3 is the structural representation of another kind of typical prolate type heat exchanger in the prior art;
Fig. 4 is the cross-sectional view of another kind of typical prolate type heat exchanger in the prior art;
Fig. 5 is the main TV structure schematic diagram of fin in an embodiment of the present invention;
Fig. 6 is the right TV structure schematic diagram of fin in an embodiment of the present invention;
Fig. 7 be in an embodiment of the present invention with the fold fin structural representation after stretching;
Fin in Fig. 8 an embodiment of the present invention and the experimental data of fin of the prior art contrast schematic diagram;
Fig. 9 is the main TV structure schematic diagram of fin among the another kind of embodiment of the present invention.
The specific embodiment
Core of the present invention provides a kind of fin that is used for heat exchanger, and this fin has higher drainage performance; Another core of the present invention is for providing a kind of heat exchanger that comprises described fin; Another core of the present invention is for providing a kind of heat-exchange device that comprises this heat exchanger.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is the main TV structure schematic diagram of fin in an embodiment of the present invention; Fig. 6 is the right TV structure schematic diagram of fin in an embodiment of the present invention.
In first kind of embodiment, fin provided by the present invention is used for micro-channel heat exchanger, and described micro-channel heat exchanger comprises two headers 3 that vertically are provided with, be fixedly connected with a plurality of horizontally disposed flat tubes 2 between described two headers 3 that vertically are provided with, set-up mode as shown in Figure 3.
As shown in Figure 6, be provided with fin between two adjacent flat tubes 2, fin extends with the wave form between flat tube 2, and promptly described fin occurs with crest and trough form successively; In the unit length, the crest of fin and the quantity of trough do not limit, and can be provided with arbitrarily according to the actual needs.
As shown in Figure 5, airflow direction A blows to the right side by the left side, thereby the left side of fin is a windward side in Fig. 5, and the right side of fin is a leeward side, the part that the oval figure of institute promptly shown in Figure 4 gets up.
As shown in Figure 5, described fin exceeds the suitable distance of flat tube 2 outermost end at leeward side, forms fin extension 1, fin to exceed direction consistent with airflow direction A.It is pointed out that as a kind of preferred embodiment the fin between any adjacent flat tube 2 all will exceed the suitable distance of outermost end of flat tube 2, promptly all forms fin extension 1.Certainly, have only the fin between the adjacent flat tube 2 of part to form fin extension 1, also can realize goal of the invention, the technical solution problem is obviously also within protection scope of the present invention.
Please also refer to Fig. 5 and Fig. 6, on the basis of fin extension 1, trough 11 positions of fin extension 1 are provided with the drainage channel of condensed water.
Described drainage channel can have various ways, such as being set to flange 12, specifically as shown in Figure 5 and Figure 6; Certain described drainage channel can also be opening, and the diapire that is specially at trough 11 is provided with long and narrow opening, and the condensed water that accumulates in the trough place leaks down from opening part.
It is pointed out that the concrete set-up mode for described drainage channel, present embodiment does not limit, and the smooth various forms of drainage channels of getting rid of of condensed water that can make trough 11 places are all within protection scope of the present invention.
Under the effect of air stream, the condensed water major part that flat tube 2 surfaces are produced accumulates in the leeward side of heat exchanger, and assembles to the trough of fin gradually.
On the basis of existing technology, fin provided by the present invention exceeds the suitable distance of outermost end of described flat tube at leeward side, forms fin extension 1, and the trough 11 of fin extension 1 is provided with the passage of drainage condensed water.
Thereby the condensed water that accumulates in leeward side trough 11 places can flow out by described drainage channel, thereby solved the queueing problem of condensed water.
The drainage channel of above-mentioned first kind of embodiment is made concrete setting, can obtain second kind of embodiment of the present invention.
Please refer to Fig. 5, Fig. 6 and Fig. 7, Fig. 7 be in an embodiment of the present invention with the fold fin structural representation after stretching.
In second kind of embodiment, the diapire of trough 11 is cut with the flange 12 that is bent downwardly and bends towards flat tube 2, and flange 12 forms the passage of described drainage condensed water.
Particularly, as shown in Figure 7, cut along trough 11 diapires of cut-off lines shown in Figure 7 121, and be bent downwardly, thereby obtain the described flange 12 of present embodiment along bending line shown in Figure 7 122 with fin extension 1.
Under the capillary effect of water, condensed water can flow down along flange 12, thereby has solved the queueing problem of condensed water effectively.
Please refer to Fig. 5, can do further to be provided with the angle of bend of flange 12 among above-mentioned second kind of embodiment.
Particularly, flange 12 reclinate angles are roughly 90 °, and on this basis, condensed water has higher downward flow velocity along flange 12.
Certainly, flange 12 reclinate angles are not limited to 90., as long as flange 12 is bent downwardly suitable angle, make condensed water under capillary effect, can flow down comparatively apace along flange 12, the angle of bend that satisfies this condition all falls within protection scope of the present invention.
In above-mentioned second kind of embodiment, can do further to be provided with to the connecting portion between flange 12 and trough 11 diapires.
Particularly, pass through the smooth connection of arc connecting portion between flange 12 and trough 11 diapires, the arc connecting portion there is no need special setting, in flange 12 reclinate processes, grasp crooked amplitude and dynamics preferably, promptly can between flange 12 and trough 11 diapires, form the arc connecting portion that seamlessly transits.
Because the surface tension of water, condensed water just can be dirty along flange 12, and further by after the smooth connection of arc connecting portion, the resistance that condensed water is subjected to will further reduce, thereby make the drainage performance of fin further improve between flange 12 and trough 11 diapires.
In above-mentioned second kind of embodiment, can also do further to be provided with to the length of flange 12.At this, the length of described flange 12 specifically refers to the length dimension of flange 12 in the vertical directions.
Particularly, as shown in Figure 5, the length of flange 12 equals described fin substantially and exceeds the suitable distance of described flat tube outermost end at leeward side, i.e. after flange 12 bending downward vertically, the rear wall of flange 12 is close to the outermost end of flat tube 2.
Certainly, after flange 12 bending downward vertically, the outermost end that its rear wall is not close to flat tube 2 also can realize goal of the invention, and the technical solution problem is obviously also within protection scope of the present invention.
As shown in Figure 6, on the basis of above-mentioned any embodiment, can do further to be provided with to the shape of flange 12.
Particularly, the shape of flange 12 is roughly quadrangle, and at this, the shape of flange 12 is not strict quadrangle, because the diapire of trough 11 has certain radian, thereby the shape of flange 12 is the quadrangles with certain radian.
Certainly, the shape of flange 12 is not limited to quadrangle, other polygonal flange or erose flange such as triangle, pentagon, as long as can play drainage, and obviously also should be within protection scope of the present invention.
In addition, in above-mentioned any embodiment, described fin is 1mm～3mm in the scope that leeward side exceeds the suitable distance of flat tube 2 outermost end.
Please refer to Fig. 8, fin in Fig. 8 an embodiment of the present invention and the experimental data of fin of the prior art contrast schematic diagram.
As shown in Figure 8, the water accumulating volume (kg/m of heat exchanger unit are
2) and surface wind speed (m/s) between be linear functional relation, and inversely proportional, along with the increase of surface wind speed, the water accumulating volume of unit are reduces.
As shown in Figure 8, the function curve that flange 12 is set is positioned at the below of the function curve of not establishing flange 12, thereby Fig. 8 has convincingly demonstrated the fin that flange 12 is set provided by the present invention and had good drainage performance.
Please refer to Fig. 9, Fig. 9 is the main TV structure schematic diagram of fin among the another kind of embodiment of the present invention.
In above-mentioned any embodiment, can do further to be provided with in the position of windward side to described fin, particularly, described fin is concordant with flat tube 2 at windward side, and promptly as shown in Figure 9, the high order end of described fin is concordant with the high order end of flat tube 2.Certainly, described fin is not concordant with flat tube 2, promptly exceeds or do not exceed the outermost end of flat tube 2 at windward side, all within protection scope of the present invention yet.
Heat exchanger provided by the present invention is provided with the described fin of above-mentioned any specific embodiment between its horizontally disposed flat tube 2; Other parts of described heat exchanger can be with reference to prior art, and this paper no longer launches.
Heat-exchange device provided by the present invention comprises the described heat exchanger of the foregoing description; Other parts of heat-exchange device can be with reference to prior art, and this paper no longer launches.
More than to heat exchanger provided by the present invention and fin thereof and comprise that the heat-exchange device of this heat exchanger is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. a fin is used for heat exchanger, and described heat exchanger comprises the horizontally disposed flat tube of a plurality of cardinal principles (2), and described fin is fixedly connected between adjacent two described flat tubes (2), and axially extends with the wave form along described flat tube (2); Described fin is 1mm～3mm in the distance that leeward side exceeds the outermost end of described flat tube (2), forms fin extension (1); The trough (11) of described fin extension (1) is provided with the passage of drainage condensed water; The diapire of the trough (11) of described fin extension (1) is cut with the flange (12) that is bent downwardly and bends towards described flat tube (2), and described flange (12) forms the passage of described drainage condensed water.
2. fin as claimed in claim 1 is characterized in that, the reclinate angle of described flange (12) equals 90 ° substantially.
3. fin as claimed in claim 1 is characterized in that, passes through the smooth connection of arc connecting portion between the surface of the diapire of the trough (11) of the surface of described flange (12) and described fin extension (1).
4. fin as claimed in claim 1 is characterized in that, the length of described flange (12) equals described fin exceeds described flat tube (2) outermost end at leeward side distance substantially.
5. as each described fin of claim 1 to 4, it is characterized in that, described flange (12) be shaped as quadrangle.
6. as each described fin of claim 1 to 4, it is characterized in that, described flange (12) be shaped as triangle.
7. as each described fin of claim 1 to 4, it is characterized in that described fin is concordant with described flat tube (2) at windward side.
8. a heat exchanger is characterized in that, comprises as each described fin of claim 1 to 7.
9. a heat-exchange device is characterized in that, comprises heat exchanger as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102064825A CN101706225B (en) | 2009-11-13 | 2009-11-13 | Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102064825A CN101706225B (en) | 2009-11-13 | 2009-11-13 | Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101706225A CN101706225A (en) | 2010-05-12 |
| CN101706225B true CN101706225B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102064825A Active CN101706225B (en) | 2009-11-13 | 2009-11-13 | Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9986170B2 (en) | 2013-04-30 | 2018-05-29 | Samsung Electronics Co., Ltd. | Method and apparatus for sensing spatial information based on vision sensor |
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| CN101975492A (en) * | 2010-10-19 | 2011-02-16 | 广东美的制冷设备有限公司 | Novel heat exchanging device |
| CN101975491A (en) * | 2010-10-19 | 2011-02-16 | 广东美的制冷设备有限公司 | Heat exchange device |
| CN103292521A (en) * | 2012-03-05 | 2013-09-11 | 萨帕铝热传输(上海)有限公司 | Heat exchanger and heat exchanger fin manufacturing equipment, and heat exchanger fin manufacturing method |
| ES2729602T3 (en) | 2013-01-28 | 2019-11-05 | Carrier Corp | Heat exchange unit with several tube banks with a manifold assembly |
| CN105765333B (en) | 2013-11-25 | 2019-01-04 | 开利公司 | Difunctional micro channel heat exchanger |
| CN107726883A (en) * | 2016-08-12 | 2018-02-23 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN107940818A (en) * | 2017-09-30 | 2018-04-20 | 博格思众（常州）热交换器有限公司 | A kind of manufacture method of fin, condenser and fin |
| CN107741106A (en) * | 2017-09-30 | 2018-02-27 | 博格思众（常州）热交换器有限公司 | A kind of manufacture method of fin, evaporator and fin |
| CN109000490B (en) * | 2018-07-25 | 2019-10-11 | 珠海格力电器股份有限公司 | Double-pipe heat exchanger |
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2009
- 2009-11-13 CN CN2009102064825A patent/CN101706225B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9986170B2 (en) | 2013-04-30 | 2018-05-29 | Samsung Electronics Co., Ltd. | Method and apparatus for sensing spatial information based on vision sensor |
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| CN101706225A (en) | 2010-05-12 |
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