CN104807360A - Fin, micro-passage heat exchanger with fin and application of micro-passage heat exchanger - Google Patents
Fin, micro-passage heat exchanger with fin and application of micro-passage heat exchanger Download PDFInfo
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- CN104807360A CN104807360A CN201410037379.3A CN201410037379A CN104807360A CN 104807360 A CN104807360 A CN 104807360A CN 201410037379 A CN201410037379 A CN 201410037379A CN 104807360 A CN104807360 A CN 104807360A
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Abstract
The invention discloses a fin, a micro-passage heat exchanger with fin and application of the micro-passage heat exchanger. The fin is distributed in a wavelike extending manner. The fin comprises a plurality of side walls, a top wall and a bottom wall, wherein the top wall is provided with a top end face; the bottom wall is provided with a bottom end face; the side walls are provided with a plurality of window fins which are spaced from one another and tilt on the side walls; the window fins form a louver; the fin meets one of the following relations (a), (b) and (c): (a) FPI (Fin Per Inch) is smaller than or equal to 13, and LP (Louver Pitch) is greater than or equal to 1.2 mm and is smaller than or equal to 1.8 mm; (b) FPI is smaller than or equal to 13, and Louver Angle is greater than or equal to 36 degrees and is smaller than or equal to 46 degrees; (c) FPI is smaller than or equal to 13, LP is greater than or equal to 1.2 mm and is smaller than or equal to 1.8 mm, and Louver Angle is greater than or equal to 36 degrees and is smaller than or equal to 46 degrees, wherein FPI represents the number of fins per inch; LP represents the distance between two adjacent louvers on a same side wall; the Louver Angle represents the louver angle formed by a plane of the fins and the side walls. The fin and the micro-passage heat exchanger have the beneficial effect that the heat exchange performance of the fin can be integrally improved.
Description
[technical field]
The present invention relates to a kind of fin, there is the micro-channel heat exchanger of this fin and application thereof, belong to refrigeration technology field.
[background technology]
In recent decades, air conditioner industry fast development, and heat exchanger is as one of the chief component of air-conditioning, also needs to carry out improving and optimal design according to the requirement of aspect, market.Micro-channel heat exchanger has the features such as refrigerating efficiency is high, volume is little, lightweight, voltage endurance capability is strong, can be good at the requirement meeting market.
Micro-channel heat exchanger forms primarily of flat tube, radiating fin and header.Header is provided with, for distributing and collecting cold-producing medium at the two ends of flat tube.Radiating fin is provided with, in order to the heat exchange efficiency of enhanced heat exchange device and air side between adjacent flat tube.In some cases, be also provided with dividing plate in the inside of header and all flat tubes are divided into several fluid layers, the flat tube number of each fluid layer of reasonable distribution, to realize best heat exchange efficiency.
In prior art, radiating fin offers shutter usually.In order to promote heat exchange property, it is larger that the FPI of existing fin designs, and is usually greater than the number of fins that 13, FPI represents inches, computing formula is: FPI=25.4mm/FP, and wherein FP represents the fin certain distance formed between described top end face and described bottom face.Analyze theoretically, this kind of way of the prior art meets the principles of science.
But when the fin of above-mentioned FPI > 13 is applied in cotton spinning working environment, heat exchange property just there will be reverse effect.Find usually can have larger suspension in cotton spinning working environment after deliberation, this suspension often blocks shutter, thus causes declining to a great extent of heat exchange property.Therefore, there is certain technology prejudice in prior art, be not that is that FPI designs larger, heat exchange property is all right, also must consider the problem of applied environment.
[summary of the invention]
The object of the present invention is to provide the good fin of a kind of comprehensive exchange capability of heat, the micro-channel heat exchanger with this fin and application thereof.
For achieving the above object, the present invention adopts following technical scheme: a kind of fin, it extends distribution with waveform, described fin comprises some sidewalls, connects the roof of adjacent two sidewalls and connects the diapire of adjacent two sidewalls, described roof is provided with top end face, described diapire is provided with bottom face, described sidewall is provided with interval and arranges and the some window wings tilted in described sidewall, described window wing forms shutter, and wherein said fin meets the one in following relational expression (a), (b), (c):
(a).FPI≤13，1.2mm≤LP≤1.8mm；
(b).FPI≤13，36°≤Louver Angle≤46°；
(c) .FPI≤13,1.2mm≤LP≤1.8mm, and 36 °≤Louver Angle≤46 °;
Wherein: FPI represents the number of fins of inches, computing formula is: FPI=25.4mm/FP, and wherein FP represents the fin certain distance formed between described top end face and described bottom face;
LP represents the distance on same sidewall between adjacent two shutters;
The louver angle that the plane that Louver Angle represents described window wing and sidewall place is formed.
As further improved technical scheme of the present invention, in described relational expression (a), (b), (c), FPI≤12.7.
As further improved technical scheme of the present invention, same sidewall has the shutter that two or more direction of windowing is different.
For achieving the above object, present invention also offers a kind of micro-channel heat exchanger, the fin that it comprises inlet header, outlet collection pipe, two ends are inserted in the some flat tubes in described inlet header and described outlet collection pipe respectively and are welded between adjacent two flat tubes, described fin is above-described fin.
As further improved technical scheme of the present invention, described micro-channel heat exchanger is bendable micro-channel heat exchanger.
As further improved technical scheme of the present invention, described inlet header and outlet collection pipe close to each other and be positioned at the side of described micro-channel heat exchanger; Described flat tube is provided with the bending part reversing bending in the middle part of it, and described bending part is in the opposite side of described micro-channel heat exchanger.
For achieving the above object, present invention also offers the application of a kind of micro-channel heat exchanger in cotton spinning working environment, wherein said micro-channel heat exchanger is above-described micro-channel heat exchanger.
As further improved technical scheme of the present invention, described cotton spinning working environment formed by washing machine, dryer or clothes washer-dryer.
Compared with prior art, the present invention is when FPI≤13, and the reasonably number range of design LP and/or Louver Angle, has comprehensive exchange capability of heat preferably, be especially applicable to being applied in cotton spinning working environment.
[accompanying drawing explanation]
Fig. 1 is the stereogram of micro-channel heat exchanger of the present invention.
Fig. 2 is the partial perspective view of fin in Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the generalized section along A-A line in Fig. 3.
Fig. 5 is when FPI≤13, and air is by the variation relation figure of temperature difference during fin with spacing of windowing (LP).
Fig. 6 is when FPI≤13, and air is by the variation relation figure of temperature difference during fin with angle of windowing (Louver Angle).
[detailed description of the invention]
Shown in please refer to the drawing 1 and Fig. 2, present invention is disclosed a kind of micro-channel heat exchanger 100, it comprises inlet header 1, outlet collection pipe 2, two ends are inserted in some flat tubes 3 in described inlet header 1 and described outlet collection pipe 2 respectively, be welded in the fin 4 between adjacent two flat tubes 3 and be positioned at outermost side plate 5.
In illustrative embodiments of the present invention, described micro-channel heat exchanger 100 is bendable micro-channel heat exchanger.Wherein, shown in please refer to the drawing 1, described inlet header 1 and outlet collection pipe 2 are parallel to each other and close to each other, and described inlet header 1 and outlet collection pipe 2 are positioned at the side of described micro-channel heat exchanger 100; Described flat tube 3 is provided with the bending part 31 reversing bending in the middle part of it, and described bending part 31 is positioned at the opposite side of described micro-channel heat exchanger 100.
Shown in please refer to the drawing 2 to Fig. 4, described fin 4, it extends distribution with waveform, it diapire 43 comprising some sidewalls 41, connect the roof 42 of adjacent two sidewalls 41 and connect adjacent two sidewalls 42.Described roof 42 is provided with top end face 421, and described diapire 43 is provided with bottom face 431.Described sidewall 41 is provided with interval and arranges and the some window wings 411 tilted in described sidewall 41, and described window wing 411 forms shutter 412.Described fin 4 meets the one in following relational expression (a), (b), (c):
(a).FPI≤13，1.2mm≤LP≤1.8mm；
(b).FPI≤13，36°≤Louver Angle≤46°；
(c) .FPI≤13,1.2mm≤LP≤1.8mm, and 36 °≤Louver Angle≤46 °;
Wherein: FPI represents fin 4 quantity of inches, and computing formula is: FPI=25.4mm/FP, wherein FP represents the fin certain distance (FinPitch) formed between described top end face 421 and described bottom face 431;
LP represents the distance on same sidewall 41 between adjacent two shutters 412, spacing of namely windowing (Louver Pitch);
Louver Angle represents the louver angle that described window wing 411 is formed with the plane at sidewall 41 place.
Preferably, in described relational expression (a), (b), (c), FPI≤12.7.
Shown in please refer to the drawing 2, same sidewall 41 has the different shutter 412 in two or more direction of windowing.
Shown in please refer to the drawing 5, when FPI≤13(is preferred, FPI≤12.7) time, air is by the variation relation figure of temperature difference during fin 4 with spacing of windowing (LP).Therefrom can find, as 1.2mm≤LP≤1.8mm, Air Temperature Difference is comparatively large, and the heat exchange property of fin 4 is stronger.
Shown in please refer to the drawing 6, when FPI≤13(is preferred, FPI≤12.7) time, air is by the variation relation figure of temperature difference during fin 4 with angle of windowing (Louver Angle).Therefrom can find, when 36 °≤Louver Angle≤46 °, Air Temperature Difference is comparatively large, and the heat exchange property of fin 4 is stronger.
Be understandable that, when the heat exchange property of fin 4 is stronger, the micro-channel heat exchanger 100 with this fin also possesses good heat exchange property.
In addition, present invention further teaches above-mentioned micro-channel heat exchanger 100 in the application in cotton spinning working environment.As everyone knows, there is in cotton spinning working environment volume larger material usually, and pass through the parameter designing of fin 4 of the present invention, fin certain distance (FP) can be made relatively large, thus reduce material to the blocking of shutter 412, promote overall heat exchange performance.
In one embodiment of the invention, described cotton spinning working environment formed by washing machine, dryer or clothes washer-dryer.
It should be noted that: above embodiment is only for illustration of the present invention and unrestricted technical scheme described in the invention, although this description reference the above embodiments are to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, person of ordinary skill in the field still can modify to the present invention or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, all should be encompassed in right of the present invention.
Claims (8)
1. a fin, it extends distribution with waveform, described fin comprises some sidewalls, connects the roof of adjacent two sidewalls and connects the diapire of adjacent two sidewalls, described roof is provided with top end face, described diapire is provided with bottom face, and described sidewall is provided with interval and arranges and the some window wings tilted in described sidewall, and described window wing forms shutter, it is characterized in that, described fin meets the one in following relational expression (a), (b), (c):
(a).FPI≤13，1.2mm≤LP≤1.8mm；
(b).FPI≤13，36°≤Louver Angle≤46°；
(c) .FPI≤13,1.2mm≤LP≤1.8mm, and 36 °≤Louver Angle≤46 °;
Wherein: FPI represents the number of fins of inches, computing formula is: FPI=25.4mm/FP, and wherein FP represents the fin certain distance formed between described top end face and described bottom face;
LP represents the distance on same sidewall between adjacent two shutters;
The louver angle that the plane that Louver Angle represents described window wing and sidewall place is formed.
2. fin as claimed in claim 1, is characterized in that: in described relational expression (a), (b), (c), FPI≤12.7.
3. fin as claimed in claim 1, is characterized in that: same sidewall has the shutter that two or more direction of windowing is different.
4. a micro-channel heat exchanger, the fin that it comprises inlet header, outlet collection pipe, two ends are inserted in the some flat tubes in described inlet header and described outlet collection pipe respectively and are welded between adjacent two flat tubes, is characterized in that: described fin is the fin described in claim 1-3 any one.
5. micro-channel heat exchanger as claimed in claim 1, is characterized in that: described micro-channel heat exchanger is bendable micro-channel heat exchanger.
6. micro-channel heat exchanger as claimed in claim 5, is characterized in that: described inlet header and outlet collection pipe close to each other and be positioned at the side of described micro-channel heat exchanger; Described flat tube is provided with the bending part reversing bending in the middle part of it, and described bending part is in the opposite side of described micro-channel heat exchanger.
7. the application of micro-channel heat exchanger in cotton spinning working environment, is characterized in that: described micro-channel heat exchanger is the micro-channel heat exchanger described in claim 4-6 any one.
8. apply as claimed in claim 7, it is characterized in that: described cotton spinning working environment formed by washing machine, dryer or clothes washer-dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037379.3A CN104807360B (en) | 2014-01-26 | 2014-01-26 | Fin, the micro-channel heat exchanger with the fin and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037379.3A CN104807360B (en) | 2014-01-26 | 2014-01-26 | Fin, the micro-channel heat exchanger with the fin and its application |
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| Publication Number | Publication Date |
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| CN104807360A true CN104807360A (en) | 2015-07-29 |
| CN104807360B CN104807360B (en) | 2018-10-19 |
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| CN201410037379.3A Active CN104807360B (en) | 2014-01-26 | 2014-01-26 | Fin, the micro-channel heat exchanger with the fin and its application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547042A (en) * | 2015-12-30 | 2016-05-04 | 郑州大学 | Novel fin heat exchanger of louver |
| CN110595250A (en) * | 2018-12-29 | 2019-12-20 | 杭州三花微通道换热器有限公司 | Heat exchanger |
| US11982491B2 (en) | 2018-10-18 | 2024-05-14 | Carrier Corporation | Microchannel heat exchanger tube supported bracket |
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| CN1107221A (en) * | 1993-11-24 | 1995-08-23 | 昭和铝株式会社 | Heat exchanger |
| CN1576767A (en) * | 2003-06-27 | 2005-02-09 | 松下电器产业株式会社 | Heat exchanger |
| CN101614501A (en) * | 2009-06-04 | 2009-12-30 | 浙江康盛股份有限公司 | Fin of microchannel parallel-flow heat exchanger |
| CN101696861A (en) * | 2009-09-30 | 2010-04-21 | 天津三电汽车空调有限公司 | Heat exchanger and wing band structure thereof |
| CN101788240A (en) * | 2009-04-03 | 2010-07-28 | 三花丹佛斯（杭州）微通道换热器有限公司 | Fin for heat exchanger and heat exchanger with fin |
| CN201876180U (en) * | 2010-06-07 | 2011-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Fins and micro-channel heat exchanger comprising same |
| CN202255019U (en) * | 2011-10-14 | 2012-05-30 | 郑州大学 | Heat transfer enhancement willowleaf-shaped louvered fin |
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2014
- 2014-01-26 CN CN201410037379.3A patent/CN104807360B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107221A (en) * | 1993-11-24 | 1995-08-23 | 昭和铝株式会社 | Heat exchanger |
| CN1576767A (en) * | 2003-06-27 | 2005-02-09 | 松下电器产业株式会社 | Heat exchanger |
| CN101788240A (en) * | 2009-04-03 | 2010-07-28 | 三花丹佛斯（杭州）微通道换热器有限公司 | Fin for heat exchanger and heat exchanger with fin |
| CN101614501A (en) * | 2009-06-04 | 2009-12-30 | 浙江康盛股份有限公司 | Fin of microchannel parallel-flow heat exchanger |
| CN101696861A (en) * | 2009-09-30 | 2010-04-21 | 天津三电汽车空调有限公司 | Heat exchanger and wing band structure thereof |
| CN201876180U (en) * | 2010-06-07 | 2011-06-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Fins and micro-channel heat exchanger comprising same |
| CN202255019U (en) * | 2011-10-14 | 2012-05-30 | 郑州大学 | Heat transfer enhancement willowleaf-shaped louvered fin |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547042A (en) * | 2015-12-30 | 2016-05-04 | 郑州大学 | Novel fin heat exchanger of louver |
| US11982491B2 (en) | 2018-10-18 | 2024-05-14 | Carrier Corporation | Microchannel heat exchanger tube supported bracket |
| CN110595250A (en) * | 2018-12-29 | 2019-12-20 | 杭州三花微通道换热器有限公司 | Heat exchanger |
| US12007178B2 (en) | 2018-12-29 | 2024-06-11 | Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | Heat exchanger |
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| Publication number | Publication date |
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| CN104807360B (en) | 2018-10-19 |
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Effective date of registration: 20210125 Address after: 312500 Zhejiang Shaoxing Xinchang County Qixing street Liquan Patentee after: ZHEJIANG SANHUA INTELLIGENT CONTROLS Co.,Ltd. Address before: 310018 no.289-2, No.12 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: Hangzhou Sanhua Research Institute Co.,Ltd. |