CN101672554A - Heat exchanger capable of improving drainage performance - Google Patents
Heat exchanger capable of improving drainage performance Download PDFInfo
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- CN101672554A CN101672554A CN200910178459A CN200910178459A CN101672554A CN 101672554 A CN101672554 A CN 101672554A CN 200910178459 A CN200910178459 A CN 200910178459A CN 200910178459 A CN200910178459 A CN 200910178459A CN 101672554 A CN101672554 A CN 101672554A
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- heat exchanger
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- linkage section
- flat tube
- header
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Abstract
The invention discloses a heat exchanger, comprising a first collecting pipe, a second collecting pipe, a flat pipe and a fin, wherein, the first collecting pipe is arranged vertically; the second collecting pipe is arranged in parallel with and opposite to the first collecting pipe and a preset distance is spaced out therebetween; the flat pipe is arranged between the first collecting pipe and the second collecting pipe horizontally and the two ends are respectively communicated with the first collecting pipe and the second collecting pipe; the fin is generally in a corrugated shape and is arranged between adjacent flat pipes; the fin comprises a straight line segment and a join segment which are connected in turn to ensure that the join segment forms a wave crest and a wave trough; the first end of the fin stretches out from one side of the flat pipe along the transverse direction; and the join segment in the first end part is removed. The heat exchanger in the invention can improvethe drainage performance, improve the surface heat exchanging of the heat exchanger and reduce the waste work of an air blower.
Description
Technical field
The present invention relates to a kind of heat exchanger, especially relate to a kind of micro-channel heat exchanger that can improve discharge condensed water performance.
Background technology
Parallel-flow heat exchanger is surface meeting generation condensed water as evaporimeter or heat pump heat exchanger the time for example, discharges the performance of condensed water in order to improve heat exchanger, and parallel-flow heat exchanger takes header to be horizontally disposed with usually and flat tube vertically is installed between the header.
But above-mentioned traditional set-up mode of header and flat tube is not suitable for the heat exchanger of some type, for example prolate type heat exchanger (being the heat exchanger that length is far longer than height).
For the heat exchanger of prolate type,, can bring following problem if adopt above-mentioned traditional set-up mode:
Header is longer, and cost is higher, realizes that cold-producing medium uniform distribution difficulty is big; Because the header place is stuffy heat exchange, so header is long more, it is big more to hinder the mobile area of air, thereby effective heat exchange area is reduced; Flat tube length is short and quantity is many, and promptly refrigerant passage is many, and flat tube inner refrigerant flow velocity is low, and heat exchange property is poor.
For this reason, for the prolate type heat exchanger, adopt header vertically to be provided with traditionally usually and flat tube flatly is arranged between the header, the length of header reduces, and the length of flat tube increases and quantity reduces.
But, vertically be provided with and flat tube flatly is arranged on the heat exchanger between the header for header, because flat tube is horizontally disposed, condensed water on the fin can be stopped by flat tube and can't flow down, be accumulated on the fin and flat tube of leeward side, cause the heat exchanger surface heat exchange property to descend, and windage increases the increase of blower fan wasted work, the decline of complete machine performance, even for the heat-pump-type outdoor heat exchanger, ponding also might build-up ice after the defrost, blocks the air channel, and the blower fan wasted work increases, and reduction heat exchanger surface heat transfer property, the complete machine mis-behave.For example, as shown in Figure 8, for traditional heat exchangers, if wind blows along direction C ', because the water surface tension effect, most of condensed water all can accumulate in the leeward side (D ' shown in zone) of fin 1 ', and can't discharge happyly.Especially, because the size of fin 1 ' on horizontal direction (left and right directions among Fig. 8) is identical substantially with the size of flat tube 2 ', so more difficult the flowing down of condensed water left heat exchanger.
In addition, in the medial region of fin 1 ' and very big with the surface tension of the welding region of flat tube 2 ', condensed water is accumulated in these zones easily, is not easy to discharge.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of heat exchanger that improves drainage performance that has.
Heat exchanger according to the embodiment of the invention comprises: first header, and described first header is provided with vertically; Second header, described second header are set to and the parallel relative and spaced apart preset distance of first header; Flat tube, described flat tube flatly are arranged between first and second headers and two ends are communicated with first and second headers respectively; And fin, described fin is the cardinal principle corrugated and is arranged between the adjacent flat tube, described fin comprises straightway and linkage section, described straightway links to each other successively with linkage section so that described linkage section constitutes crest and trough, the first end of described fin is along laterally stretching out from a side of flat tube, and the linkage section in the described first end is removed.
Heat exchanger according to the embodiment of the invention, because the side of fin first end along horizontal direction from flat tube stretched out, and the formation crest in the first end and the linkage section of trough are removed, thereby the first end at flat tube forms breach, thus when in a lateral direction from the second end of fin during towards the first end air blast of fin, condensed water flows downward along breach from the first end of fin easily and leaves heat exchanger, improve the drainage performance of heat exchanger thus, improved the surface heat switching performance of heat exchanger.
In addition, the heat exchanger according to the embodiment of the invention also has following additional technical feature:
The second end of described fin along laterally from the opposite side of flat tube stretch out and described the second end linkage section be removed.The second end by making fin is along laterally stretching out and removes the formation crest the second end and the linkage section of trough from the opposite side of flat tube, thereby at the second end formation breach of fin.Flow downward along breach from the second end of fin easily from the first end of fin during, condensed water when in a lateral direction and to leave heat exchanger, improve the drainage performance of heat exchanger thus towards the second end air blast.And because first and second ends of fin stretch out from the both sides of flat tube respectively in a lateral direction and forms breach, so without limits for the air blast direction.
Pass through arc transition between described straightway and the linkage section.Thus, not only make straightway and linkage section rounding off, and very little by what the radius of knuckle was provided with, can further reduce the surface tension at fin and flat tube join domain place, further improve the surface heat exchanging performance of drainage performance and heat exchanger.
Described linkage section cross section in a longitudinal direction is a flat.Be set to linear by linkage section, can destroy the surface tension in the inboard and zone that is connected with flat tube of fin crest and trough, further improve drainage performance.
Alternatively, described linkage section cross section in a longitudinal direction also can be circular arc.
In one embodiment of the invention, described heat exchanger is a micro-channel heat exchanger.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the heat exchanger of the embodiment of the invention;
Fig. 2 is in assembling with the schematic diagram after being welded on the flat tube of heat exchanger according to the fin of the heat exchanger of the embodiment of the invention;
Fig. 3 is the transverse side view according to the part of the fin of the heat exchanger of the embodiment of the invention;
Fig. 4 is the stereogram according to the part of the fin of the heat exchanger of the embodiment of the invention;
Fig. 5 is the stereogram of a part of fin of heat exchanger according to another embodiment of the present invention;
Fig. 6 is the flattening schematic diagram according to a part of fin of the heat exchanger of the embodiment of the invention;
Fig. 7 is the transverse side view according to a part of fin between two flat tubes of the embodiment of the invention; With
Fig. 8 is the transverse side view of a part of fin between two flat tubes of traditional heat exchangers.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " vertically ", " laterally ", " vertically ", " level ", etc. to close be based on orientation shown in the drawings or position relation the orientation of indication or position, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
Below with reference to the heat exchanger of accompanying drawing detailed description according to the embodiment of the invention.
As shown in Figure 1, heat exchanger comprises the first header 3a, the second header 3b, flat tube 2 and fin 1 according to an embodiment of the invention.
The first header 3a and the second header 3b vertically are provided with, and are essentially parallel to each other and spaced apart preset distance.
Flat tube 2 A along the longitudinal direction flatly is arranged between the first header 3a and the second header 3b and two ends are communicated with the first header 3a and the second header 3b respectively.For example, be formed with a plurality of microchannels in the flat tube 2, thereby be micro-channel heat exchanger according to the heat exchanger of the embodiment of the invention.
Shown in Fig. 2-4, fin 1 be shaped as substantially corrugated, fin 1 be arranged between the flat tube 2 adjacent on the above-below direction among Fig. 1 and along the longitudinal direction A extend in cardinal principle waveform mode.More specifically, fin 1 comprises straightway 11 and linkage section 12, and straightway 11 links to each other successively with linkage section 12, and linkage section 12 constitutes crest and trough.
As Fig. 4 and shown in Figure 6 and with reference to figure 7, fin 1 can be divided into three parts along horizontal direction B: first end 112, the second end 114 and pars intermedia 113.First end 112 can be along horizontal direction B from flat tube a side (right side Fig. 7) of 2 stretch out.Each linkage section 12 of formation crest in the first end 112 of fin 1 and trough is removed, thereby forms breach 111 in first end 12.
Because first end 112 stretches out flat tube 2 along horizontal direction B, and the linkage section 12 that constitutes crest and trough in the first end 112 is removed and forms breach 111.Therefore, as shown in Figure 7, if along direction C air blast, condensed water is blown to the first end 112 of fin 1, and flows downward along breach 111 easily and leave fin 1 and heat exchanger, and can not be accumulated in the region D, thereby improved drainage performance, improved the surface heat exchanging performance of heat exchanger, and reduced windage, reduce the blower fan wasted work, improve the complete machine performance.
Shown in Fig. 6 and 7, in one embodiment of the invention, 2 opposite side (left side Fig. 7) stretches out the second end 114 of fin 1 along horizontal direction from flat tube.Therefore, the first end 112 and the second end 114 of fin 1 stretch out from the both sides of flat tube 2 respectively in a lateral direction, thereby when along direction C air blast, condensed water can not accumulate in the region D, easily flows downward along the breach 111 of first end 112 and leaves heat exchanger.When the right side along the direction opposite from fin 1 to the left during air blast with direction C, condensed water also be not easy to accumulate in the centrosymmetric zone of region D with respect to fin 1 in, easily flow downward and leave heat exchanger along the breach 111 of the second end 114, promote thus condensed water is discharged from heat exchanger, improved drainage performance and drainage performance.
As shown in Figure 3, in an example of the present invention, pass through arc transition, rounding off between straightway 11 and the linkage section 12 thus between straightway 11 and the linkage section 12.In order further to reduce regional Q1, the surface tension at Q2 place improves drainage performance, and the knuckle radius R can be set to as much as possible little.
Shown in Fig. 3 and 4, in an example of the present invention, linkage section 12 is straight linear, and promptly the cross section of linkage section 12 on longitudinal direction A is straight.Therefore, as shown in Figure 2, when fin 1 was installed between two flat tubes 2, straight crest and trough had destroyed regional Q1, the surface tension at Q2 and Q3 place, reduce regional Q1 greatly, Q2 and Q3 make condensed water discharge easily to the absorption affinity of condensed water, improve heat exchange property, reduce the blower fan wasted work, improved the complete machine performance.
In another example of the present invention, as shown in Figure 5, linkage section 12 also can be circular arc.When fin 1 is installed between two flat tubes 2, also the linkage section 12 of circular arc can be pressed into straight, as shown in Figure 2.
Heat exchanger according to the embodiment of the invention, because flat tube 2 is stretched out one of at least at the both ends of fin 1 in a lateral direction, and the linkage section 12 of the end of stretching out is removed and forms breach 111, thereby condensed water flows to the end of stretching out easily under blasting action, especially stretch out the trough place of end, owing to there is breach 111, condensed water can easily flow downward along breach and leave fin 1, and then leaves heat exchanger.Therefore, according to the heat exchanger of the embodiment of the invention, drainage performance improves, and the heat exchanger surface heat exchange property improves, and windage reduces, and the blower fan wasted work reduces, and has improved the complete machine performance.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1, a kind of heat exchanger is characterized in that, comprising:
First header, described first header is provided with vertically;
Second header, described second header are set to and the parallel relative and spaced apart preset distance of first header;
Flat tube, described flat tube flatly are arranged between first and second headers and two ends are communicated with first and second headers respectively; With
Fin, described fin is the cardinal principle corrugated and is arranged between the adjacent flat tube, described fin comprises straightway and linkage section, described straightway links to each other successively with linkage section so that described linkage section constitutes crest and trough, the first end of described fin is along laterally stretching out from a side of flat tube, and the linkage section in the described first end is removed.
2, heat exchanger according to claim 1 is characterized in that, the second end of described fin along laterally from the opposite side of flat tube stretch out and described the second end linkage section be removed.
3, heat exchanger according to claim 1 is characterized in that, passes through arc transition between described straightway and the linkage section.
4, heat exchanger according to claim 1 is characterized in that, the longitudinal cross-section of described linkage section is a linear.
5, heat exchanger according to claim 1 is characterized in that, the longitudinal cross-section of described linkage section is a circular arc.
6, heat exchanger according to claim 1 is characterized in that, described heat exchanger is a micro-channel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178459XA CN101672554B (en) | 2009-10-10 | 2009-10-10 | Heat exchanger capable of improving drainage performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910178459XA CN101672554B (en) | 2009-10-10 | 2009-10-10 | Heat exchanger capable of improving drainage performance |
Publications (2)
| Publication Number | Publication Date |
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| CN101672554A true CN101672554A (en) | 2010-03-17 |
| CN101672554B CN101672554B (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910178459XA Active CN101672554B (en) | 2009-10-10 | 2009-10-10 | Heat exchanger capable of improving drainage performance |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957105A (en) * | 2010-10-19 | 2011-01-26 | 广东美的制冷设备有限公司 | Heat exchanger for improving drainage performance |
| CN103299150A (en) * | 2011-01-21 | 2013-09-11 | 大金工业株式会社 | Heat exchanger and air conditioner |
| CN104344609A (en) * | 2013-07-30 | 2015-02-11 | 三星电子株式会社 | Heat exchanger and corrugated fin thereof |
| WO2016008427A1 (en) * | 2014-07-18 | 2016-01-21 | 丹佛斯微通道换热器（嘉兴）有限公司 | Fin for heat exchanger and heat exchanger having fin |
| CN106705498A (en) * | 2015-08-05 | 2017-05-24 | 丹佛斯微通道换热器（嘉兴）有限公司 | 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 |
| 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 |
-
2009
- 2009-10-10 CN CN200910178459XA patent/CN101672554B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957105A (en) * | 2010-10-19 | 2011-01-26 | 广东美的制冷设备有限公司 | Heat exchanger for improving drainage performance |
| CN103299150A (en) * | 2011-01-21 | 2013-09-11 | 大金工业株式会社 | Heat exchanger and air conditioner |
| CN103299150B (en) * | 2011-01-21 | 2015-09-16 | 大金工业株式会社 | Heat exchanger and air conditioner |
| CN104344609A (en) * | 2013-07-30 | 2015-02-11 | 三星电子株式会社 | Heat exchanger and corrugated fin thereof |
| US9863714B2 (en) | 2013-07-30 | 2018-01-09 | Samsung Electronics Co., Ltd. | Heat exchanger and corrugated fin thereof |
| CN104344609B (en) * | 2013-07-30 | 2018-08-24 | 三星电子株式会社 | Heat exchanger and its corrugated fin |
| WO2016008427A1 (en) * | 2014-07-18 | 2016-01-21 | 丹佛斯微通道换热器（嘉兴）有限公司 | Fin for heat exchanger and heat exchanger having fin |
| US10082343B2 (en) | 2014-07-18 | 2018-09-25 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Fin for heat exchanger and heat exchanger having fin |
| CN106705498A (en) * | 2015-08-05 | 2017-05-24 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN106705498B (en) * | 2015-08-05 | 2019-04-09 | 丹佛斯微通道换热器（嘉兴）有限公司 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101672554B (en) | 2011-01-05 |
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Owner name: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., Free format text: FORMER NAME: DANFOSS SANHUA (HANGZHOU) MICRO-CHANNEL HEAT EXCHANGER CO., LTD. |
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Effective date of registration: 20150217 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289, No. 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 |
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Application publication date: 20100317 Assignee: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Assignor: SANHUA HOLDING GROUP Co.,Ltd. Contract record no.: 2015990000010 Denomination of invention: Heat exchanger capable of improving drainage performance Granted publication date: 20110105 License type: Common License Record date: 20150106 |
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