CN105299963A - Parallel flow heat exchanger - Google Patents
Parallel flow heat exchanger Download PDFInfo
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- CN105299963A CN105299963A CN201510861270.6A CN201510861270A CN105299963A CN 105299963 A CN105299963 A CN 105299963A CN 201510861270 A CN201510861270 A CN 201510861270A CN 105299963 A CN105299963 A CN 105299963A
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- heat exchanger
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Abstract
The invention relates to the field of air-conditioning equipment and discloses a parallel flow heat exchanger. The parallel flow heat exchanger comprises a plurality of sets of discharge pipe bundles; each discharge pipe bundle is composed of a predetermined number of discharge pipes; each discharge pipe is a capillary tube with a certain tube diameter; two ends of each discharge pipe are inserted into collecting pipes at two ends respectively; a gap is reserved between every two adjacent discharge pipes of each set of discharge pipe bundle; and corrugated fins are arranged among the discharge pipe bundles. The parallel flow heat exchanger can still keep high heat exchange performance when used as an evaporator.
Description
Technical field
The present invention relates to air-conditioning equipment field, particularly a kind of parallel-flow heat exchanger and air-conditioning system.
Background technology
The element of existing parallel-flow heat exchanger adopts the compact brief concurrent flow structures such as the multipaths design optimized, and reduces installing space and the cost of air-conditioning system.Parallel-flow heat exchanger formed primarily of micro-channel flat, louvered fin, header and inner division plate.Micro-channel flat is that every root blocks, and its two ends are connected to header.There is louvered fin the both sides of flat tube, and both pass through Welding.Fin adopts louvered design can effectively destroy air flow boundary layer, increases disturbance, thus strengthening heat convection.In addition the cross section windward of flat tube is very little, can greatly weaken leeward side eddy current, thus lowers the flow resistance of air side, and therefore parallel-flow heat exchanger can obtain good air side heat exchange property.At refrigerant side, divide not segmentation according to header, parallel-flow heat exchanger can be divided into unit parallel flow type and multiunit parallel flow formula.Modular heat exchanger header does not interrupt, and flow of refrigerant direction is consistent; Be furnished with dividing plate in the heat exchanger header of multi-element type, header is separated into different sections, every section is connected to several micro-channel flat.Parallel-flow heat exchanger has compact conformation, lightweight, heat exchange efficiency advantages of higher when making condenser, and therefore in field of air conditioning, especially field of automobile air conditioner obtains and applies widely.Due to structural feature, parallel-flow heat exchanger is suitable only for and makees condenser and be not suitable for making evaporimeter.But for electric automobile air conditioner, it is no matter heat exchanger outside heat exchanger or car inside car, all may switch between condensing condition and evaporation operating mode, therefore the heat exchanger of electric automobile air-conditioning system just still must can keep higher heat exchange property when being used as evaporimeter, and this proposes larger test to the design of parallel-flow heat exchanger.
Parallel-flow heat exchanger conventional is at present generally micro-channel flat parallel-flow heat exchanger, and its agent structure comprises micro-channel flat and U-shaped louvered fin, and both are fixed by soldering.In order to ensure between louvered fin and micro-channel flat can heat exchange well, reduce thermal contact resistance between the two, usual fin be all tight welding between flat tube.When heat exchanger is horizontal, flat tube can stop flowing down of condensed water; When heat exchanger is perpendicular put time, fin can stop flowing down of condensed water.Therefore no matter parallel-flow heat exchanger is horizontal or perpendicular putting, and is all unfavorable for the discharge of condensed water.And research shows, the frosting of heat exchanger is always from the position that condensate water is assembled, and in this place's frosting the most seriously, therefore the flat tube of Conventional parallel stream heat exchanger and the combination of U-shaped fin are not suitable for being applied in evaporimeter.
Summary of the invention
In view of the above problems, the object of the embodiment of the present invention is to provide a kind of parallel-flow heat exchanger and air-conditioning system, still can keep higher heat exchange property when being used as evaporimeter.
A kind of parallel-flow heat exchanger that the embodiment of the present invention provides, comprise some groups of comb bundles, described comb bundle is made up of the comb of predetermined number, described comb is the capillary of a fixed-caliber, the two ends of described comb are inserted in the header at two ends respectively, leave space between the comb often organizing described comb Shu Xianglin, often organize between described comb bundle and be provided with corrugated fin.
Alternatively, described header employing cross section is the aluminum cavity pipe of rectangle.
Alternatively, often organize described comb bundle and comprise 5 combs.
Alternatively, described fin has shutter.
Alternatively, in described header, several baffle plates built-in, are separated into multiple flow process by header.
Alternatively, Welding is adopted between described comb bundle and header, fin.
In addition, the present embodiment additionally provides a kind of air-conditioning system, described air-conditioning system adopt as above arbitrary described a kind of parallel-flow heat exchanger as condenser or evaporimeter.
Therefore application the present embodiment technical scheme, owing to adopting the comb bundle of dispersed placement to carry out alternative micro-channel flat, this heat exchanger when mounted, ensures that comb Shu Shuzhi arranges, can be convenient to flowing down in time of condensed water like this, be beneficial to the discharge of condensed water.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of parallel-flow heat exchanger structure figure provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment:
The present embodiment provides a kind of parallel-flow heat exchanger, as shown in Figure 1, comprise some groups of comb bundles 10, described comb bundle 10 is made up of the comb 11 of predetermined number, described comb 11 is the capillary aluminum tube of a fixed-caliber, the two ends of described comb 11 are inserted in the header 20 at two ends respectively, often organize between the adjacent comb 11 of described comb bundle 10 and leave space, often organize between described comb bundle 10 and be provided with corrugated fin 30.
Can be, but not limited to, described header 20 adopts cross section to be the aluminum cavity pipe of rectangle, and in described header 20, several baffle plates 21 built-in, are separated into multiple flow process by header.Welding is adopted between described comb bundle 10 and header 20, fin 30.Often organize described comb bundle 10 and comprise 5 combs 11.Described fin 30 has shutter.
The present embodiment also provides a kind of air-conditioning system, and described air-conditioning system adopts parallel-flow heat exchanger as above as condenser or evaporimeter.
This programme adopts the comb bundle of dispersed placement to carry out alternative traditional micro-channel flat, and when mounted, ensure that comb Shu Shuzhi arranges, can be convenient to flowing down in time of condensed water like this, cold-producing medium flows this heat exchanger in comb.Every root comb is the capillary aluminum tube of a fixed-caliber, and its effect is similar to micro-channel flat, can play certain perturbation action to flow of refrigerant, thus strengthens the heat exchange of refrigerant side.Fin has shutter, the disturbance to air can be strengthened, thus improve the coefficient of heat transfer of air side.Header employing cross section is the aluminum cavity pipe of rectangle, and the two ends of capillary comb are inserted in header.Similar with common parallel-flow heat exchanger, also can several baffle plates built-in in the header of this parallel-flow heat exchanger, header is separated into multiple flow process, to adapt to the Volume Changes of cold-producing medium in condensation or evaporation process, reduce the pressure loss that refrigerant flows in heat exchanger, thus improve heat exchange efficiency.Adopt Welding between comb bundle and header, fin, this and common parallel-flow heat exchanger processing technology are similar, as long as be fixed with special fixture, coat solder at needs weld, then putting into soldering oven can be welded.This design ensure that common parallel-flow heat exchanger production technology can produce this kind of novel parallel stream heat exchanger, thus easy to process, and cost is low.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (7)
1. a parallel-flow heat exchanger, it is characterized in that, comprise some groups of comb bundles, described comb bundle is made up of the comb of predetermined number, described comb is the capillary of a fixed-caliber, the two ends of described comb are inserted in the header at two ends respectively, leave space between the comb often organizing described comb Shu Xianglin, often organize between described comb bundle and be provided with corrugated fin.
2. a kind of parallel-flow heat exchanger as claimed in claim 1, is characterized in that, described header employing cross section is the aluminum cavity pipe of rectangle.
3. a kind of parallel-flow heat exchanger as claimed in claim 1, is characterized in that, often organizes described comb bundle and comprises 5 combs.
4. a kind of parallel-flow heat exchanger as claimed in claim 1, is characterized in that, described fin has shutter.
5. a kind of parallel-flow heat exchanger as claimed in claim 1, is characterized in that, in described header, several baffle plates built-in, are separated into multiple flow process by header.
6. a kind of parallel-flow heat exchanger as claimed in claim 1, is characterized in that, adopts Welding between described comb bundle and header, fin.
7. an air-conditioning system, is characterized in that, described air-conditioning system adopts if a kind of parallel-flow heat exchanger as described in arbitrary in claim 1 to 6 is as condenser or evaporimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861270.6A CN105299963A (en) | 2015-11-30 | 2015-11-30 | Parallel flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510861270.6A CN105299963A (en) | 2015-11-30 | 2015-11-30 | Parallel flow heat exchanger |
Publications (1)
| Publication Number | Publication Date |
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| CN105299963A true CN105299963A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510861270.6A Pending CN105299963A (en) | 2015-11-30 | 2015-11-30 | Parallel flow heat exchanger |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007010298A (en) * | 2005-07-04 | 2007-01-18 | Nikkei Nekko Kk | Heat exchanger with receiver tank |
| CN201387254Y (en) * | 2009-03-19 | 2010-01-20 | 美的集团有限公司 | All-aluminum micro-channel heat exchanger |
| CN101782295A (en) * | 2009-01-20 | 2010-07-21 | 三花丹佛斯（杭州）微通道换热器有限公司 | Loop structure of bidirectional microchannel heat exchanger |
| CN101858698A (en) * | 2009-04-10 | 2010-10-13 | 三花丹佛斯（杭州）微通道换热器有限公司 | Microchannel heat exchanger |
| CN202229480U (en) * | 2011-09-06 | 2012-05-23 | 海尔集团公司 | Micro channel evaporator and cabinet air conditioner indoor unit |
| CN203231590U (en) * | 2013-04-12 | 2013-10-09 | 南京师范大学 | Novel micro-channel heat exchanger |
| CN205425534U (en) * | 2015-11-30 | 2016-08-03 | 惠州学院 | Concurrent flow heat exchanger and air conditioning system |
-
2015
- 2015-11-30 CN CN201510861270.6A patent/CN105299963A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007010298A (en) * | 2005-07-04 | 2007-01-18 | Nikkei Nekko Kk | Heat exchanger with receiver tank |
| CN101782295A (en) * | 2009-01-20 | 2010-07-21 | 三花丹佛斯（杭州）微通道换热器有限公司 | Loop structure of bidirectional microchannel heat exchanger |
| CN201387254Y (en) * | 2009-03-19 | 2010-01-20 | 美的集团有限公司 | All-aluminum micro-channel heat exchanger |
| CN101858698A (en) * | 2009-04-10 | 2010-10-13 | 三花丹佛斯（杭州）微通道换热器有限公司 | Microchannel heat exchanger |
| CN202229480U (en) * | 2011-09-06 | 2012-05-23 | 海尔集团公司 | Micro channel evaporator and cabinet air conditioner indoor unit |
| CN203231590U (en) * | 2013-04-12 | 2013-10-09 | 南京师范大学 | Novel micro-channel heat exchanger |
| CN205425534U (en) * | 2015-11-30 | 2016-08-03 | 惠州学院 | Concurrent flow heat exchanger and air conditioning system |
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Application publication date: 20160203 |