CN101949654A - Finned tube integral heat exchanger - Google Patents
Finned tube integral heat exchanger Download PDFInfo
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- CN101949654A CN101949654A CN 201010500874 CN201010500874A CN101949654A CN 101949654 A CN101949654 A CN 101949654A CN 201010500874 CN201010500874 CN 201010500874 CN 201010500874 A CN201010500874 A CN 201010500874A CN 101949654 A CN101949654 A CN 101949654A
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- fin
- end cap
- heat exchanger
- end plate
- flange hole
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Abstract
The invention relates to a finned tube integral heat exchanger which comprises a fin set, end plates respectively arranged at two side ends of the fin set, two end covers respectively assembled and fixed with the end plates at two sides and two interfaces used for connecting external pipelines, wherein the two interfaces are arranged on one end cover or respectively arranged on the two end covers; the fin set comprises a plurality of fins, and each fin is provided with a plurality of fin flanging holes with flangings; the plurality of fins are sequentially sleeved together through the fin flanging holes and fixed into a whole; a plurality of internal pipelines formed by communicating corresponding fin flanging holes are formed on the fin set; and a refrigerant directly flows through the internal pipelines formed on the fin set for radiating heat. The invention provides a condensation device capable of reducing the system cost while greatly improving the heat transfer efficiency, which is suitable for the traditional various refrigeration systems.
Description
Technical field
The present invention relates to a kind of fin tube type heat-exchange device.
Background technology
At present, adopt fin tube type heat exchanger to conduct heat in the refrigeration system mostly, wherein employed fin is made by aluminium foil usually, these fins have the hole of some band flange, several this type of aluminium fin is enclosed within on the round copper pipe in groups, utilizes mechanical expanding technology to be fixed on the aluminium fin on the copper pipe and form fin tube type heat exchanger and conduct heat to be used for system.But,, cause thermal resistance very big, thereby heat transfer efficiency is not high because the aluminium fin is very thin and the contact area of itself and copper pipe is very little.And, this structure also is not suitable for the higher fin flat pipe type heat exchanger of heat transfer efficiency, reason is: the intensity of aluminium fin is very poor, when making during by high-pressure working medium flat copper pipe that " becoming round " distortion takes place in the flat copper pipe, therefore flat round hole on the aluminium fin can be stretched or tear, the effect that can't recur to and conduct heat.
Summary of the invention
The present invention has overcome shortcoming of the prior art, and a kind of finned tube integrated heat exchanger that can significantly improve heat transfer efficiency is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of finned tube integrated heat exchanger, comprise the integrally formed fins set of fin and internal duct, respectively be installed in the end plate of the two side ends of fins set, respectively with the end plate of both sides mutually mount two end caps, be used to be connected two interfaces of exterior line, two interfaces are arranged on one of them end cap or lay respectively on two end caps.Fins set comprises a plurality of fins, offers a plurality of fin flange hole on each fin, and a plurality of fins connect together successively and are fixed as one by fin flange hole, forms a plurality of fin flange holes by correspondence and be communicated with the internal duct that constitutes on fins set.Heat-transfer working medium is by passing through in the internal duct on the fins set, and its heat that carries is directly delivered on the fin, carries out heat exchange with air.
Further, the cross section in fin flange hole preferably is flat ellipse, that is to say, internal duct on the fins set is the oblate pipe of indication on the ordinary meaning, the average distance at the edge from the pipeline center to fin is shorter like this, thermal resistance is littler, and its heat transfer efficiency is higher, when the cross section in fin flange hole also can be for circular or square.
Further, offer the end plate flange hole that forms the band flange on each end plate, each end plate and fins set are by socket-connecting end plate flange hole and cooperating of fin flange hole, form end cap return-air chamber on end cap, the internal duct on the described fins set is connected with end cap return-air chamber by the end plate flange hole on the end plate.
Preferably, the spacing of the height in fin flange hole decision fin should determine that as using as condenser, height should be smaller according to the purposes of product, and as using as evaporimeter, height should generally can be selected in the 3-7 millimeter greatly.
Further, the edge of end cap bends inwards and forms the end cap undercut, end cap by this end cap undercut and its corresponding end plate mutually interlock fix.The mode of this interlock is fixing reliable, and processing is also fairly simple.
Further, fin is made of substrate and the coating that is coated on the substrate appearance, and the fin of this material is convenient to by the mode of control physical condition the fin part that respectively connects together is fixed together.
Again further, substrate and coating are all formed by metal material, and the fusing point of baseplate material is higher than the fusing point of coating material, like this, and just can be by making the coating fusion on the fusing point that temperature is controlled at coating and under the fusing point of substrate so that the fin bonding.
Specifically, in a kind of embodiment preferred, fins set promptly is to make the fin bonding that respectively connects together behind the coating by fusion fin surface under hot conditions and cooling is fixing forms.
Compared with prior art, the present invention has the following advantages: fin and pipeline are that integral type processes, in the fins set that constitutes by the fin intussusception, directly form internal duct, thermal resistance between pipeline and fin is very little but heat transfer area is very big, can improve heat transfer efficiency, and because the intussusception of fin makes on the wall of internal duct formation step naturally, this step plays strong flow-disturbing effect to the working medium that flows, the working medium of the feasible pipeline of flowing through can contact fully with fins set, and this makes heat exchanger have better heat transfer efficiency; In addition, fix and when constituting fins set at the fin intussusception, internal duct also promptly forms, and its processing method is more simple and convenient.Because the finned tube integrated heat exchanger has fabulous radiating efficiency, thereby can select cheap material (for example to make fins set, copper plated steel) keeps good heat transfer efficient the time, reaching under the prerequisite of same radiating effect, compressor can reduce a specification, and the system configuration cost significantly reduces; In addition, the part of heat exchanger all can be processed with the method for punching out, and can adopt the high temperature welding process of automation and mechanization welding to make, and therefore, production technology is simple, and production efficiency is higher.
Description of drawings
Fig. 1 is the structural representation according to heat exchanger of the present invention;
Fig. 2 is the schematic side view according to the left end cap of heat exchanger of the present invention;
Fig. 3 is the front view of left end cap shown in Fig. 2;
Fig. 4 is the schematic side view according to the first member plate of heat exchanger of the present invention;
Fig. 5 is the front view of first member plate shown in Fig. 4;
Fig. 6 is the schematic side view according to the fin of heat exchanger of the present invention;
Fig. 7 is the front view of fin shown in Fig. 6;
Fig. 8 is the front-view schematic diagram according to the right end plate of heat exchanger of the present invention;
Fig. 9 is the schematic side view according to the right end cap of heat exchanger of the present invention;
Figure 10 is the front view of right end cap shown in Fig. 9;
Among the figure: 1, left end cap; 11, left end cap return-air chamber; 12, left end cap undercut; 2, first member plate; 21, first member plate flange hole; 3, fin; 31, fin flange hole; 4, right end plate; 41, right end plate flange hole; 5, right end cap; 51, right end cap flange hole; 52, right end cap return-air chamber; 53, right end cap undercut; 6, take over.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail.
As shown in Figure 1, a kind of finned tube integrated heat exchanger, it comprises the fins set of being made up of sheet pipe integral type fin, the first member plate 2 that is installed in the fins set two side ends and right end plate 4, be assemblied in left end cap 1 on the first member plate 2, be assemblied in right end cap 5 on the right end plate 4 and at least two takes over 6, forms internal duct in fins set.Shown in Fig. 1 two take over 6 and are connected on two interfaces offering on the right end cap 5, are used for and exterior.And two interfaces also can be opened in respectively on left end cap 1 and the right end cap 5, and this depends on the internal duct number of condenser usually.If the internal duct number is an even number, then an end cap (being right end cap among the embodiment shown in Figure 1) is provided with two interfaces that connect exterior line are connected internal duct with several (Figure 1 shows that one) return-air chamber (corresponding to the right end cap return-air chamber 52 among Fig. 1), only establishes a plurality of return-air chambers that are communicated with internal duct (corresponding to the left end cap return-air chamber 11 among Fig. 1) on another end cap (Figure 1 shows that left end cap 1); If the internal duct number is an odd number, then all establish an interface that is connected exterior line on left end cap 1 and the right end cap 5 and be connected the return-air chamber of internal duct with several, those skilled in the art are easy to associate according to embodiment shown in Figure 1, thereby do not adopt accompanying drawing expression in addition at this.
In the embodiment shown in fig. 1, have four internal duct in the fins set of condenser, right end cap 5 is provided with two interfaces and right end cap return-air chamber 52 that is communicated with internal duct that connects outer tube 6, has two left end cap return-air chambers 11 that are communicated with internal duct on the left end cap 1.
Certainly, take over 6 and also not necessarily be limited to two, can on end cap, offer more a plurality of interfaces, and have a plurality of adapters to come to be connected to accordingly on these interfaces respectively.
Fins set is mainly by a plurality of fin 3 sockets and be fixed as one and form, and fin 3 is a sheet pipe integral type fin, and promptly its fin and pipeline are integrally formed, particularly, offer on each fin 3 and form a plurality of fin flange holes 31 that have annular flange, shown in Fig. 6-7.Utilize these fin flange holes 31 that have flange to make a plurality of fin 3 connect together with this, and the fin 3 after the socket is fixed as one, promptly its internal duct has also formed when fins set constitutes, and internal duct promptly is made of 31 connections of fin flange hole, as shown in Figure 1.Fin flange hole 31 is preferably flat round hole, also is its cross section ovalize, can certainly be for circular or square, and according to the thickness and the extension property of fin material, the height in fin flange hole 31 can reach the 3-7 millimeter.Adopt the mode in fin flange borehole jack fin flange hole to form internal duct in fins set, so the shape in fin flange hole 31 just determined the shape of internal duct, oblate internal duct can improve heat transfer efficiency.In addition, just because the relation of mutual socket makes to form a plurality of steps that on the wall of internal duct this step plays strong flow-disturbing effect to the cold-producing medium that flows, make cold-producing medium contact fully with fins set, this makes heat exchanger have better radiating efficiency.
Shown in Fig. 4-5, have first member plate flange hole 21 on the first member plate 2, first member plate flange hole 21 has interior shape and the size that flange profile and size with fin flange hole 31 are complementary.As shown in Figure 8, have right end plate flange hole 41 on the right end plate 4, right end plate flange hole 41 has profile and the size that interior shape and size with fin flange hole 31 are complementary.The right end plate flange hole 41 of right end plate 4 is inserted in the fin flange hole 31 of integrated fins set rightmost side fin, and the first member plate flange hole 21 of first member plate 2 is enclosed within outside the fin flange hole 31 of the leftmost side of integrated fins set, first member plate 2 just links together with fins set 3 with right end plate 4 like this, and has formed oblate pipeline and flow through for working medium.First member plate flange hole 21 is connected the internal duct of fins set with left end cap return-air chamber 11, right end plate flange hole 41 is connected the partial interior pipeline of fins set with right end cap return-air chamber 52.In addition, shown in Fig. 9-10, also form the right end cap flange hole 51 that has flange on right end cap 5, fins set has two internal duct to be connected with adapter 6 by this right end cap flange hole 51.The effect of aforesaid interface is played in right end cap flange hole 51 herein in fact, and it is designed to shape with flange, is convenient to install and takes over 6.
Shown in Fig. 2-3, left end cap 1 bends inwards in its edge and forms left end cap undercut 12, left end cap 1 by left end cap undercut 12 and first member plate 2 mutually interlock fix; Shown in Fig. 9-10, right end cap 5 has the right end cap undercut 53 that bends inwards and form in its edge, right end cap 5 by right end cap undercut 53 and first member plate 1 mutually interlock fix.
Fins set, first member plate 2, right end plate 4, left end cap 1 and right end cap 5 can adopt the material or the composite of band coating to make, the material of substrate and coating or composite bed adopts the metal material of different melting points, and the fusing point of baseplate material is than the material height of coating, like this, can be with fins set, first member plate 2, right end plate 4, put into behind left end cap 1 and right end cap 5 assemblies internal temperature reach the fusing point of coating material but be lower than baseplate material fusing point stove (for example, the high temperature furnace of bright annealing furnace or other form), fuse together after making the coating heating, cooling back fins set promptly is fixed as one.And all parts that are assembled in together all are welded into an integral body, thereby have obtained finned tube integrated heat exchanger finished product described in the invention.
More than specific embodiment of the present invention is illustrated in conjunction with diagram; but protection content of the present invention is not only limited to above embodiment, in affiliated technical field of the present invention, and the common knowledge of a GPRS; just can in its technology main idea scope, carry out diversified change.
Claims (8)
1. finned tube integrated heat exchanger, it is characterized in that: comprise the fins set that fin and internal duct are integrally formed, be installed in the end plate of the both sides of described fins set respectively, respectively with the end plate of both sides two end caps of mount mutually, be used to connect two interfaces of exterior line, described two interfaces are arranged on one of them end cap or lay respectively on two end caps, described fins set comprises a plurality of fins (3), offer on each fin (3) and form a plurality of fin flange holes (31) that have flange, a plurality of fins (3) connect together successively and are fixed as one by fin flange hole (31), form a plurality of fin flange holes (31) by correspondence and be communicated with the internal duct that constitutes on fins set.
2. heat exchanger according to claim 1, wherein, the cross sectional shape in described fin flange hole (31) is oval circular or square.
3. heat exchanger according to claim 1, wherein, offer the end plate flange hole that forms the band flange on each end plate, each end plate and fins set are by socket-connecting end plate flange hole and cooperating of fin flange hole (31), form end cap return-air chamber on end cap, the internal duct on the described fins set is connected with end cap return-air chamber by the end plate flange hole on the end plate.
4. heat exchanger according to claim 1, wherein, the height in described fin flange hole (31) is the 3-7 millimeter.
5. heat exchanger according to claim 1, wherein, the inside bending in the edge of end cap forms the end cap undercut, end cap by the corresponding end plate of end cap undercut and its mutually interlock fix.
6. according to the described heat exchanger of one of claim 1-5, wherein, described fin (3) is made of substrate and the coating that is coated on the substrate appearance.
7. heat exchanger according to claim 6, wherein, described substrate and coating are all formed by metal material, and the fusing point of baseplate material is higher than the fusing point of coating material.
8. heat exchanger according to claim 7, wherein, described fins set is to make the fin bonding that respectively connects together behind the coating by fusion fin surface under hot conditions and cooling is fixing forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010500874 CN101949654A (en) | 2010-10-09 | 2010-10-09 | Finned tube integral heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010500874 CN101949654A (en) | 2010-10-09 | 2010-10-09 | Finned tube integral heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101949654A true CN101949654A (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010500874 Pending CN101949654A (en) | 2010-10-09 | 2010-10-09 | Finned tube integral heat exchanger |
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| Country | Link |
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| CN (1) | CN101949654A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082733A1 (en) * | 2011-12-07 | 2013-06-13 | Lee Yiu Wah | Temperature regulating module |
| CN103453793A (en) * | 2013-07-29 | 2013-12-18 | 姚福良 | Tube-fin-integrated heat transmission unit and heat exchanger comprising same |
| CN103673694A (en) * | 2013-12-05 | 2014-03-26 | 上海热泰能源技术有限公司 | Falling-film shell-and-plate heat exchanger |
| CN105674785A (en) * | 2014-11-19 | 2016-06-15 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN105737633A (en) * | 2016-03-29 | 2016-07-06 | 青岛英吉尔制冷科技有限公司 | Laminated cold-heat exchanger and manufacturing technology thereof |
Citations (8)
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| GB1038556A (en) * | 1962-04-16 | 1966-08-10 | Dirk Johannes Oosterbaan | Improvements in or relating to heat exchangers |
| CN2048569U (en) * | 1988-12-26 | 1989-11-29 | 北京市散热器厂 | Metal linked closed radiator |
| JPH04198691A (en) * | 1990-11-29 | 1992-07-20 | Toshiba Corp | Heat exchanger |
| DE19814049A1 (en) * | 1997-03-31 | 1998-10-01 | Zexel Corp | Multi-layer heat exchanger |
| CN1399117A (en) * | 2001-07-25 | 2003-02-26 | 袁士操 | Plate heat exchanger with shaped strip and welded structure |
| CN2610295Y (en) * | 2003-04-03 | 2004-04-07 | 王洪图 | Corrosion-resisting radiator with finned tube |
| CN2826345Y (en) * | 2005-09-28 | 2006-10-11 | 上海得灵电器实业有限公司 | Novel highly effective heat exchanger |
| EP1744116A2 (en) * | 2005-07-13 | 2007-01-17 | Sanden Corporation | Heat exchanger |
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2010
- 2010-10-09 CN CN 201010500874 patent/CN101949654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1038556A (en) * | 1962-04-16 | 1966-08-10 | Dirk Johannes Oosterbaan | Improvements in or relating to heat exchangers |
| CN2048569U (en) * | 1988-12-26 | 1989-11-29 | 北京市散热器厂 | Metal linked closed radiator |
| JPH04198691A (en) * | 1990-11-29 | 1992-07-20 | Toshiba Corp | Heat exchanger |
| DE19814049A1 (en) * | 1997-03-31 | 1998-10-01 | Zexel Corp | Multi-layer heat exchanger |
| CN1399117A (en) * | 2001-07-25 | 2003-02-26 | 袁士操 | Plate heat exchanger with shaped strip and welded structure |
| CN2610295Y (en) * | 2003-04-03 | 2004-04-07 | 王洪图 | Corrosion-resisting radiator with finned tube |
| EP1744116A2 (en) * | 2005-07-13 | 2007-01-17 | Sanden Corporation | Heat exchanger |
| CN2826345Y (en) * | 2005-09-28 | 2006-10-11 | 上海得灵电器实业有限公司 | Novel highly effective heat exchanger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082733A1 (en) * | 2011-12-07 | 2013-06-13 | Lee Yiu Wah | Temperature regulating module |
| CN103988038A (en) * | 2011-12-07 | 2014-08-13 | 李耀华 | Temperature regulating module |
| CN103453793A (en) * | 2013-07-29 | 2013-12-18 | 姚福良 | Tube-fin-integrated heat transmission unit and heat exchanger comprising same |
| CN103673694A (en) * | 2013-12-05 | 2014-03-26 | 上海热泰能源技术有限公司 | Falling-film shell-and-plate heat exchanger |
| CN103673694B (en) * | 2013-12-05 | 2018-10-19 | 上海热泰能源技术有限公司 | Falling-film shell-and-plate heat exchanger |
| CN105674785A (en) * | 2014-11-19 | 2016-06-15 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN105737633A (en) * | 2016-03-29 | 2016-07-06 | 青岛英吉尔制冷科技有限公司 | Laminated cold-heat exchanger and manufacturing technology thereof |
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Application publication date: 20110119 |