CN103837014A - Heat exchanger and connection method thereof - Google Patents
Heat exchanger and connection method thereof Download PDFInfo
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- CN103837014A CN103837014A CN201410108162.7A CN201410108162A CN103837014A CN 103837014 A CN103837014 A CN 103837014A CN 201410108162 A CN201410108162 A CN 201410108162A CN 103837014 A CN103837014 A CN 103837014A
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- heat exchanger
- intermediate member
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- exchanger tube
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Abstract
The invention provides a heat exchanger. The heat exchanger comprises a plurality of heat exchange pipes which are almost parallel, and fins connected to the heat exchange pipes. The heat exchanger further comprises flanging structures arranged on the fins and middle components between the heat exchange pipes or outside the flanging structures of the fins, wherein the middle components are provided with extending sections extending into an air channel between the fins. The invention further provides a connection method for connecting the fins and the heat exchange pipes of the heat exchanger.
Description
Technical field
The present invention relates to HVAC, automobile, refrigeration and transport field, relate in particular to the heat exchanger for evaporimeter, condenser, water tank, heat pump etc.
Background technology
As shown in Figure 1, it comprises many heat exchanger tubes 1 and is installed to the fin 2 on it structure of conventional pipe finned heat exchanger.Conventionally, the structure of fin 2 as shown in Figure 2.As shown in Figure 3, show mechanical expanding connected mode or the processing technology of fin 2 and heat exchanger tube 1.The diameter of fin 2 perforates is a bit larger tham the diameter of heat exchanger tube 1.Fin 2 penetrates heat exchanger tube 1, waits after whole fin 2 installations, then stretches into and in heat exchanger tube 1, carries out expand tube with swollen 3 of electric tube expander.Swollen 3 slightly larger in diameter of electric tube expander, in fin 2 opening diameters, can guarantee after expand tube that heat exchanger tube 1 and fin 2 fit tightly.
As shown in Figure 4, show the structure of microchannel/parallel-flow heat exchanger.In this heat exchanger, the material of all parts is aluminium.Flat heat exchange pipe 21 is sent into soldering oven after tying up as shown in figure tightly with fin 22 and is welded.After coming out of the stove, again fin 22 and flat heat exchange pipe 21 are welded together.Brazing process comprises brazing flux spraying, dry, heating, welding, cooling etc.
As everyone knows, identical size of heat exchanger, the hydraulic diameter of heat exchanger tube is less, and heat exchange property can be higher, and material cost is lower.But mechanical expanding technology is subject to the impact of heat exchanger tube diameter larger, can only be applied at present the copper pipe that diameter is greater than 5mm, and inapplicable this technology of aluminum pipe.A great limitation for the unlimited pursuit of current air conditioner industry cost performance.
Soldering tech can be used for small hydro diameter hot pipe heat exchanger.Micro-channel heat exchanger just adopts this technology, has extraordinary heat exchange property.But soldering processes complexity, the problem such as equipment investment is high, unstable product quality has limited the market competitiveness of micro-channel heat exchanger greatly.
In view of this, truly have a kind of novel heat exchanger that can address the above problem at least in part need to be provided.
Summary of the invention
Object of the present invention is intended to solve at least one aspect of the above-mentioned problems in the prior art and defect.
In one aspect, the invention provides a kind of heat exchanger, this heat exchanger comprises: the many heat exchanger tubes that almost parallel arranges; Fin, described fin is connected to described heat exchanger tube; Wherein, described heat exchanger also comprises the intermediate member being arranged between the turnup structure of fin and heat exchanger tube or outside the turnup structure of fin; , described intermediate member is provided with the extension in the air duct extending between described fin.
Particularly, multiple described intermediate members are connected to each other by described extension separately.
Particularly, described intermediate member also comprises the platform being arranged on described intermediate member, and described extension is connected with described platform.
Preferably, the height of described extension on the bearing of trend of described heat exchanger tube is h, and the spacing of adjacent described fin on the bearing of trend of described heat exchanger tube is H, h/H≤0.5.
Preferably, the width of described extension on the bearing of trend perpendicular to described heat exchanger tube is 1, and the width of adjacent described fin on the bearing of trend perpendicular to described heat exchanger tube is L, h1/HL≤0.26.
Particularly, described intermediate member is provided with groove on its circumference.
Particularly, described groove extends to its bottom from the top of described intermediate member, or described groove upwards extends from the base section ground of described intermediate member or from the top section of described intermediate member to downward-extension.
Particularly, the turnup structure of described fin is used for connecting described heat exchanger tube or intermediate member.
In one embodiment of the invention, the cross section of described intermediate member is for roughly trapezoidal, and described intermediate member is provided with the hole of passing for described heat exchanger tube along the direction of its top to bottom, and the turnup structure of described fin in the axial direction in the hole of described intermediate member with an inclination angle.
Preferably, the outer angle of heel on described intermediate member is more than or equal to 80.And be less than or equal to 90.。
Preferably, the described inclination angle of the turnup structure of described fin is slightly less than the outer angle of heel of described intermediate member.
Particularly, described heat exchanger tube is circle or non-circular shape.
Particularly, described intermediate member is made up of highly heat-conductive material.
Preferably, described intermediate member is made up of aluminium alloy or copper alloy.
In another aspect of this invention, also provide a kind of connect fin in heat exchanger and the method for attachment of heat exchanger tube, wherein said heat exchanger is above-mentioned heat exchanger, and described method of attachment comprises and connects described fin and heat exchanger tube with intermediate member.
The novel connected mode of a kind of new heat exchanger and a kind of fin and heat exchanger tube is provided in the present invention.Therefore, the present invention can, in the situation that guaranteeing heat exchange property and unfailing performance, avoid using soldering processes and mechanical expanding technique, thereby it be unstable to have solved technique, the problem that manufacturing cost is high and mechanical expanding process application limitation is large.
Accompanying drawing explanation
These and/or other aspect of the present invention and advantage are understood below in conjunction with becoming in accompanying drawing description of preferred embodiments obviously and easily, wherein:
Fig. 1 is according to the topology view of the pipe finned heat exchanger of prior art;
Fig. 2 is according to the front view of the fin of the heat exchanger of Fig. 1 and corresponding side view;
Fig. 3 adopts the mechanical expanding technique of prior art to connect the schematic diagram of the process of heat exchanger;
Fig. 4 is the view that adopts the heat exchanger of the soldering processes manufacture of prior art;
Fig. 5 is front view and the end-view of heat exchanger according to an embodiment of the invention;
Fig. 6 is the cutaway view obtaining along the line A-A cutting of Fig. 5;
Fig. 7 is side view and the top view of the intermediate member of heat exchanger according to an embodiment of the invention;
Fig. 8 a is the view of the outer angle of heel of the intermediate member shown in Fig. 7;
Fig. 8 b is the view at the flange inclination angle of the fin shown in Fig. 7;
Fig. 9 is the view of intermediate member according to another embodiment of the invention;
Figure 10 is multiple intermediate members as shown in Figure 7 assembled view connected to each other;
Figure 11 a-11b is the view with the intermediate member of groove setting;
Figure 12 is the B-B view according to the heat exchanger of Fig. 6;
Figure 13 uses according to the software simulation result view about air wide pre. drop of heat exchanger shown in the present; With
Figure 14 is the software simulation result view about heat exchange amount or ability that uses heat exchanger shown in the present.
The specific embodiment
Below by embodiment, and 5-14 by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In description, same or analogous drawing reference numeral is indicated same or analogous parts.Followingly with reference to accompanying drawing, the explanation of embodiment of the present invention is intended to present general inventive concept of the present invention to make an explanation, and does not should be understood to a kind of restriction of the present invention.
Referring to Fig. 5, show described according to one embodiment of present invention heat exchanger 10.Shown in Fig. 6, heat exchanger 10 comprises: many heat exchanger tubes 11, fin 12 and intermediate member 13 that almost parallel arranges.Fin 12 is connected with heat exchanger tube 11 by intermediate member 13.
In the present embodiment, intermediate member 13 is connected with fin 12 and heat exchanger tube 11 between fin 12 and heat exchanger tube 11 and respectively.Intermediate member 13 is fin 12 and the effectively bridge of heat transfer of heat exchanger tube 11.
In addition, be appreciated that intermediate member can also be arranged on outside the turnup structure of fin, the turnup structure of fin is directly connected with heat exchanger tube, and intermediate member is connected on the outer surface of described turnup structure by modes such as welding.
Specifically, referring to Fig. 7, show the intermediate member 13 of a kind of form of the present invention.On the lateral edges of the bottom of intermediate member 13, be provided with extension 131, for example, on two relative lateral edges of the bottom of intermediate member 13, be respectively arranged with two extensions 131.Known in conjunction with Fig. 6, conventionally, extension 131 extends to air duct 14 places between adjacent fin 12, plays the effect of rough air, strengthens the heat exchange of air side.Be appreciated that 1 or more extension can be set in the position of the edge of the bottom of intermediate member 13 or circumference, and be not limited to illustrated situation.
Referring to Fig. 7, on intermediate member 13, be provided with the through hole 133 passing for heat exchanger tube 11, through hole 133 is through to bottom 136 from the top 134 of intermediate member 13.Because heat exchanger tube 11 is in this example round-shaped, therefore that through hole 133 is also set to is accordingly round-shaped.Certainly,, in the time that heat exchanger tube 11 is the pipeline of non-pipe form of flat tube or other shapes, the shape of through hole 133 can be set as required accordingly.In addition, in Fig. 7, also show the side 135 that connects top 134 and bottom 136.
In this example, as shown in Figure 6, be provided with fin 12 on extension 131, fin 12 is connected with heat exchanger tube 11 by the extension 131 of intermediate member 13.In addition, fin 12 has the turnup structure 121 and the flat segments 122 that is connected turnup structure 121 that arrange at its two ends.Be fixed on by turnup structure 121 on the side 135 of intermediate member 13.Certainly, fin 12 can also be connected to intermediate member 13 according to other known technical batterys of this area.
Referring to Fig. 8 a, in the present embodiment, intermediate member 13 is set to round table-like, and its shape of cross section is roughly trapezoidal (not shown).Those skilled in the art can arrange the shape of intermediate portion part 13 as required, for example, can be set to the shapes such as cylinder, square or cuboid by intermediate member.As shown in Figure 8 a, the side 135 of intermediate member 13 is angle e with respect to the outer angle of heel of its bottom 136.Preferably, adopt the inclination angle e in outside to be more than or equal to 80., and be less than or equal to 90 little.
Referring to Fig. 8 b, the turnup structure 121 of fin 12 is provided with an inclination angle d in the axial direction of the through hole 133 of intermediate member 13, and preferably, inclination angle d is slightly less than the outer angle of heel e of intermediate member 13.Make like this fin 12 can be fixedly connected with better each other by turnup structure 121 with intermediate member 13.Certainly, those skilled in the art can adopt other known alternative to fix connection fin and intermediate member as required, and its mode is not limited to this.
As shown in Figure 9, in another alternative example, the bottom of intermediate member 13 is also provided with platform 132, for example, be arranged on the side 135 of intermediate member 13, and conventionally, platform 132 is arranged to as shown in the figure concordant with bottom 136.Correspondingly, 132 of extensions are arranged on the side of platform 132.Certainly, those skilled in the art can select whether to arrange platform as required, and number and/or the position of extension also can be set as required, and for example extension 131 can be set to one or several arbitrarily.Extension 131 can be arranged on to other position of platform 132.In addition, also can be in the time platform 132 not being set, other positions at for example middle part that extension 131 are arranged on to intermediate member 13 are first-class.
Referring to Figure 10, show multiple above-mentioned multiple intermediate members 13 connected to one another.Multiple intermediate members 13 are connected to each other in the direction of the bearing of trend perpendicular to heat exchanger tube 11 by above-mentioned extension 131 and/or turnup structure 121.The structure that above-mentioned multiple intermediate members 13 are assembled together, can be that time processing is shaped, and can be also that single intermediate member 13 is connected to each other by modes such as welding.Certainly, those skilled in the art can take other known connected mode to carry out described connection as required.For example, intermediate member 13 can also be connected to each other on the bearing of trend of heat exchanger tube 11, the connected mode of intermediate member be connected shape and be not limited to this.Certainly, those skilled in the art can also select intermediate member number connected to one another as required, and for example intermediate member can be set to two, three or several arbitrarily.
In the present invention, the material of intermediate member 13 is made up of Heat Conduction Material or highly heat-conductive material, preferably aluminium alloy or copper alloy.Intermediate member 13 can be fixedly connected with by modes such as welding with heat exchanger tube 11.For example intermediate member 13 can directly be welded on heat exchanger tube 11, the passage that can pass for heat exchanger tube etc. also can be set on intermediate member 13, and those skilled in the art can connect intermediate member 13 and heat exchanger tube 11 by other known alternative as required.
Being appreciated that can also be with the intermediate member 13 with platform 132 shown in above-mentioned identical connected mode connection layout 9.Referring to Figure 11 a-11b, in order to install and/or construct needs, on intermediate member 13, be provided with the groove 139 (being conventionally arranged on its circumference) that space is provided in the time shrinking for it.Groove 139 penetratingly extends to its bottom 135 from the top 134 of intermediate member 13.Upwardly extending groove 137 partly can also be set in addition from the bottom 135 of intermediate member 13 or the groove 138 to downward-extension partly from the top 134 of intermediate member 13.Certainly, those skilled in the art can arrange groove as required, and its set-up mode is not limited to this.
Referring to Figure 12, show the cutaway view obtaining along the line B-B cutting shown in Fig. 6.In heat exchanger 10, the spacing of adjacent fin 12 on the bearing of trend of heat exchanger tube 11 is set to H.The width of single fin 12 in the direction of the bearing of trend perpendicular to heat exchanger tube 11 is set to L, the height of the extension 131 of intermediate member 13 on the bearing of trend of heat exchanger tube 11 is set to h, and the width in the direction of the bearing of trend perpendicular to heat exchanger tube 11 is set to 1.Software simulation result view in conjunction with the air wide pre. drop about the heat exchanger 10 shown in use Fig. 6 of the present invention shown in Figure 13 is known, and in the time of h/H>0.5, air wide pre. drop can increase more than 50%, therefore needs to make h/H≤0.5.Known referring to the heat exchange amount of heat exchanger 10 or the software simulation result view of ability about shown in use Fig. 6 of the present invention shown in Figure 12 and Figure 14, the extension 131 of intermediate member 13 can increase air agitation, strengthens air side heat exchange.If but the volume of this extension 131 is too large, can affect flowing of air, increase the windage of air, thereby can reduce air throughput, can reduce on the contrary the heat exchange amount of heat exchanger 10.In the time of h1/HL>0.26, heat exchange amount can be reduced to below 85% of peak.Therefore, need to make h1/HL≤0.26.
It should be noted that, the analog result shown in Figure 13 and 14 all can be known in the field relevant simulation softward obtain, therefore at this no longer to its detailed description.
Known in sum, the invention provides the Novel connection type of a kind of new heat exchanger and a kind of fin and heat exchanger tube.Like this, can be both guarantee in heat exchange property can be for the heat exchanger tube of minor diameter, too can be for micro-channel heat exchanger.This technology can replace soldering and mechanical expanding technology.
And the diameter of heat exchanger tube is less, heat transfer effect is better, and material cost is lower.When heat exchanger tube diameter is less, when heat exchanger tube cannot be used mechanical expanding technology with being connected of fin, adopt this scheme can also avoid complicated soldering processes, and improve the quality of products, reduce cost of goods manufactured and equipment investment.
These are only some embodiments of the present invention, those skilled in the art will appreciate that, in the case of the principle and spirit that do not deviate from this present general inventive concept, can make a change these embodiment, scope of the present invention limits with claim and their equivalent.
Claims (15)
1. a heat exchanger, it comprises:
The many heat exchanger tubes that almost parallel arranges;
Fin, described fin is connected to described heat exchanger tube;
It is characterized in that,
Described heat exchanger also comprises the intermediate member being arranged between the turnup structure of fin and heat exchanger tube or outside the turnup structure of fin;
Wherein, described intermediate member is provided with the extension in the air duct extending between described fin.
2. heat exchanger according to claim 1, is characterized in that,
Multiple described intermediate members are connected to each other by described extension separately in the direction of the bearing of trend perpendicular to heat exchanger tube.
3. heat exchanger according to claim 1 and 2, is characterized in that,
Described intermediate member also comprises the platform being arranged on described intermediate member, and described extension is connected with described platform.
4. according to the heat exchanger described in any one in claim 1-3, it is characterized in that,
The height of described extension on the bearing of trend of described heat exchanger tube is h, and the spacing of adjacent described fin on the bearing of trend of described heat exchanger tube is H, and h/H≤0.5.
5. heat exchanger according to claim 4, is characterized in that,
The width of described extension in the direction of the bearing of trend perpendicular to described heat exchanger tube is 1, and the width of single described fin in the direction of the bearing of trend perpendicular to described heat exchanger tube is L, and h1/HL≤0.26.
6. according to the heat exchanger described in any one in claim 1-5, it is characterized in that,
Described intermediate member is provided with groove on its circumference.
7. heat exchanger according to claim 6, is characterized in that,
Described groove penetratingly extend to from the top of described intermediate member that its bottom, described groove upwards extend from the base section ground of described intermediate member or from the top section of described intermediate member to downward-extension.
8. according to the heat exchanger described in any one in claim 1-7, it is characterized in that,
The turnup structure of described fin is used for connecting described heat exchanger tube or intermediate member.
9. heat exchanger according to claim 8, is characterized in that,
The cross section of described intermediate member is for roughly trapezoidal, and described intermediate member is provided with the through hole passing for described heat exchanger tube along the direction of its top to bottom, and the turnup structure of described fin in the axial direction of the through hole of described intermediate member with an inclination angle.
10. heat exchanger according to claim 9, is characterized in that,
The outer angle of heel of described intermediate member is more than or equal to 80 ° and be less than or equal to 90 °.
11. heat exchangers according to claim 10, is characterized in that,
The described inclination angle of the turnup structure of described fin is slightly less than the outer angle of heel of described intermediate member.
12. according to the heat exchanger described in any one in claim 1-11, it is characterized in that,
Described heat exchanger tube is circle or non-circular shape.
13. according to the heat exchanger described in any one in claim 1-12, it is characterized in that,
Described intermediate member is made up of highly heat-conductive material.
14. heat exchangers according to claim 13, is characterized in that,
Described intermediate member is made up of aluminium alloy or copper alloy.
15. 1 kinds connect fin in heat exchanger and the method for attachment of heat exchanger tube, and wherein said heat exchanger is according to the heat exchanger described in any one in claim 1-14, and described method of attachment comprises and connects described fin and heat exchanger tube with intermediate member.
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| CN201410108162.7A CN103837014B (en) | 2014-03-21 | 2014-03-21 | Heat exchanger and attaching method thereof |
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| CN201410108162.7A CN103837014B (en) | 2014-03-21 | 2014-03-21 | Heat exchanger and attaching method thereof |
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| CN103837014B CN103837014B (en) | 2016-08-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154778A (en) * | 2014-08-13 | 2014-11-19 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger and method for manufacturing heat exchanger |
| CN105987631A (en) * | 2015-01-27 | 2016-10-05 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| WO2017032228A1 (en) * | 2015-08-25 | 2017-03-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchange tube for heat exchanger, heat exchanger and assembly method thereof |
| CN107401861A (en) * | 2017-08-17 | 2017-11-28 | 河南科隆集团有限公司 | A kind of evaporator fin and its manufacture method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239390A (en) * | 1988-03-18 | 1989-09-25 | Furukawa Electric Co Ltd:The | Manufacture of heat exchanger |
| JP2000051980A (en) * | 1998-08-07 | 2000-02-22 | Hitachi Ltd | Cross fin type heat exchanger and its production |
| CN2842349Y (en) * | 2005-06-09 | 2006-11-29 | 陈国星 | Formation structure of heat pipe through-fitted with fins |
| CN202853449U (en) * | 2011-10-14 | 2013-04-03 | 松下电器产业株式会社 | Finned tube heat exchanger |
| CN203037129U (en) * | 2012-12-19 | 2013-07-03 | 讯凯国际股份有限公司 | Cooling fins and cooling device with same |
| CN103245244A (en) * | 2013-05-10 | 2013-08-14 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
-
2014
- 2014-03-21 CN CN201410108162.7A patent/CN103837014B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239390A (en) * | 1988-03-18 | 1989-09-25 | Furukawa Electric Co Ltd:The | Manufacture of heat exchanger |
| JP2000051980A (en) * | 1998-08-07 | 2000-02-22 | Hitachi Ltd | Cross fin type heat exchanger and its production |
| CN2842349Y (en) * | 2005-06-09 | 2006-11-29 | 陈国星 | Formation structure of heat pipe through-fitted with fins |
| CN202853449U (en) * | 2011-10-14 | 2013-04-03 | 松下电器产业株式会社 | Finned tube heat exchanger |
| CN203037129U (en) * | 2012-12-19 | 2013-07-03 | 讯凯国际股份有限公司 | Cooling fins and cooling device with same |
| CN103245244A (en) * | 2013-05-10 | 2013-08-14 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154778A (en) * | 2014-08-13 | 2014-11-19 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger and method for manufacturing heat exchanger |
| WO2016023466A1 (en) * | 2014-08-13 | 2016-02-18 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger, and method for manufacturing heat exchanger |
| CN105987631A (en) * | 2015-01-27 | 2016-10-05 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| WO2017032228A1 (en) * | 2015-08-25 | 2017-03-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchange tube for heat exchanger, heat exchanger and assembly method thereof |
| US10690420B2 (en) | 2015-08-25 | 2020-06-23 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Heat exchange tube for heat exchanger, heat exchanger and assembly method thereof |
| CN107401861A (en) * | 2017-08-17 | 2017-11-28 | 河南科隆集团有限公司 | A kind of evaporator fin and its manufacture method |
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| CN103837014B (en) | 2016-08-31 |
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