CN104154778A - Heat exchanger and method for manufacturing heat exchanger - Google Patents
Heat exchanger and method for manufacturing heat exchanger Download PDFInfo
- Publication number
- CN104154778A CN104154778A CN201410398292.9A CN201410398292A CN104154778A CN 104154778 A CN104154778 A CN 104154778A CN 201410398292 A CN201410398292 A CN 201410398292A CN 104154778 A CN104154778 A CN 104154778A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- fin
- exchanger tube
- main body
- hole flanging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a heat exchanger and a method for manufacturing the heat exchanger. The heat exchanger comprises heat exchange tubes, fins and welding materials, wherein each fin comprises a fin body, fin holes which are formed in the fin body and used for containing the heat exchange tubes and fin hole turned edges which extend from the edges of the fin holes to one side of the fin body; the welding materials are used for welding the fin hole turned edges of the fin bodies and the heat exchange tubes. According to the technical scheme of the heat exchanger, the problem that production cannot be conducted due to the fact that a current heat exchanger with a small tube diameter cannot expand can be solved; meanwhile, the welding technology is adopted for the fins and the heat exchange tubes, so that the heat exchanger has excellent heat transfer performance.
Description
Technical field
The present invention relates to the manufacture method of a kind of heat exchanger and heat exchanger.
Background technology
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 be greater than the copper pipe of certain diameter (being for example greater than 7mm), and inapplicable this technology of aluminum pipe.
Summary of the invention
The manufacture method that the object of this invention is to provide a kind of heat exchanger and heat exchanger, thus for example, not only can guarantee the heat exchange property of soldering, but also can manufacture small-pipe diameter heat exchanger.
According to an aspect of the present invention, the invention provides a kind of heat exchanger, this heat exchanger, comprising: heat exchanger tube; Fin, this fin comprises: fin main body, be formed in fin main body, for the fin hole of heat exchanger tube is set, and the annular fin hole flanging extending to a side of fin main body from the edge in fin hole; And welding material, for fin hole flanging and the heat exchanger tube of fin main body are welded together.
According to an aspect of the present invention, heat exchanger tube is pipe or flat tube.
According to an aspect of the present invention, described welding material forms ring-shaped article, and is arranged between described heat exchanger tube and the fin hole flanging of fin main body, fin hole flanging and the heat exchanger tube of fin main body are welded together by heating.
According to an aspect of the present invention, described heat exchanger also comprises: ring-shaped article, this ring-shaped article is arranged between described heat exchanger tube and the fin hole flanging of fin main body, and the inner surface of ring-shaped article and outer surface are all with the welding composite bed as welding material.
According to an aspect of the present invention, before assembling, the size of the fin hole flanging of fin main body is less than the size of described heat exchanger tube, makes the fin hole flanging of fin main body and described heat exchanger tube form interference fit.
According to an aspect of the present invention, described fin main body also comprises the otch being formed in fin hole flanging.
According to an aspect of the present invention, heat exchanger tube is that pipe and caliber are less than 7 millimeters.
According to an aspect of the present invention, the outer surface of ring-shaped article is taper surface, and the inner surface of the fin hole flanging of fin main body is taper surface.
According to an aspect of the present invention, described heat exchanger also comprises: ring-shaped article, this ring-shaped article is arranged between described heat exchanger tube and the fin hole flanging of fin main body.
According to an aspect of the present invention, fin, heat exchanger tube and ring-shaped article are made by aluminium alloy.
According to an aspect of the present invention, the invention provides a kind of manufacture method of heat exchanger, the manufacture method of this heat exchanger comprises: heat exchanger tube is provided; Form fin, this fin comprises: fin main body, be formed in fin main body, for the fin hole of heat exchanger tube is set, and the annular fin hole flanging extending to a side of fin main body from the edge in fin hole; By heat exchanger tube is put into fin hole, heat exchanger tube and fins set are fitted together; Utilize welding material that fin hole flanging and the heat exchanger tube of fin main body are welded together.
According to an aspect of the present invention, described welding material forms ring-shaped article, and is arranged between described heat exchanger tube and the fin hole flanging of fin main body, fin hole flanging and the heat exchanger tube of fin main body are welded together by heating.
According to an aspect of the present invention, in step heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, ring-shaped article is placed between the annular fin hole flanging of described heat exchanger tube and fin main body, and the inner surface of ring-shaped article and outer surface are all with the welding composite bed as welding material.
According to an aspect of the present invention, before assembling, the size of the fin hole flanging of fin main body is less than the size of described heat exchanger tube, makes the fin hole flanging of fin main body and described heat exchanger tube form interference fit.
According to an aspect of the present invention, before heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, precoating soldering paste on heat exchanger tube.
According to an aspect of the present invention, heat exchanger tube is that pipe and caliber are less than 7 millimeters.
According to an aspect of the present invention, the outer surface of ring-shaped article is taper surface, and the inner surface of the fin hole flanging of fin main body is taper surface.
According to an aspect of the present invention, before step heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, the inner surface of fin hole flanging or heat exchange pipe external surface are with the welding composite bed as welding material.
Technical scheme of the present invention not only can solve current pipe with small pipe diameter (< 7mm) heat exchanger cannot expand tube and the problem that cannot produce, simultaneously because fin and heat exchanger tube employing solder technology have extraordinary heat transfer property.
Accompanying drawing explanation
Figure 1A and 1B are respectively diagrammatic side view and the cutaway view of heat exchanger according to an embodiment of the invention;
Fig. 2 is the local amplification view of heat exchanger according to an embodiment of the invention;
Fig. 3 is the front view of the fin of heat exchanger according to an embodiment of the invention;
Fig. 4 is cutaway view fin, that obtain along the line by fin hole of heat exchanger according to an embodiment of the invention;
Fig. 5 is the heat exchanger tube of heat exchanger according to another embodiment of the invention, the fin hole flanging of fin and the schematic diagram of ring-shaped article, and wherein ring-shaped article is not installed to final position; And
Fig. 6 is the heat exchanger tube of heat exchanger according to another embodiment of the invention, the fin hole flanging of fin and the schematic diagram of ring-shaped article, and wherein ring-shaped article is installed to final position.
The specific embodiment
Below in conjunction with the drawings and the specific embodiments, the present invention will be further described.
Figure 1A and 1B show heat exchanger 100 according to an embodiment of the invention.As shown in Figure 1A and 1B, heat exchanger 100 comprises heat exchanger tube 10 and fin 20.Heat exchanger tube 10 can have any shape of cross section, can be the non-pipe of pipe or flat tube or other shape.The caliber of heat exchanger tube 10 can be less than 7 millimeters.Heat exchanger 100 can be applicable to HVAC, automobile, and refrigeration and transport field, can be used for evaporimeter, the heat exchangers such as condenser, heat pump heat exchanger and water tank.Heat exchanger tube and fin pass through brazing.Heat exchanger tube and fin can be aluminum alloy materials, can be also other alloy materials.
As shown in Figures 2 to 4, this fin 20 comprises: fin main body 21, be formed in fin main body 21, for the fin hole 22 of heat exchanger tube 10 is set, and the annular fin hole flanging 23 extending to a side of fin main body 21 from the edge in fin hole 22.Heat exchanger 100 also comprises welding material, for the fin hole flanging of fin main body 21 23 and heat exchanger tube 10 are welded together.
As shown in Figures 2 to 4, in examples more of the present invention, before assembling, the size of the fin hole flanging 23 of fin main body 21 is less than the size of described heat exchanger tube 10, makes thus the fin hole flanging 23 of fin main body 21 and described heat exchanger tube 10 form interference fit after assembling.Described fin main body 21 can also comprise: be formed on the otch in fin hole flanging 23.
As illustrated in Figures 5 and 6, described welding material forms ring-shaped article 30, and is arranged between described heat exchanger tube 10 and the fin hole flanging 23 of fin main body 21, the fin hole flanging of fin main body 21 23 and heat exchanger tube 10 are welded together by heating.Ring-shaped article 30 as welding ring can be fusing point lower than the highly heat-conductive material of fin and heat exchanger tube, after heating, welding ring fusing welds together fin and heat exchanger tube.
As selection, as illustrated in Figures 5 and 6, heat exchanger 100 also comprises: ring-shaped article 30, this ring-shaped article 30 is arranged between described heat exchanger tube 10 and the fin hole flanging 23 of fin main body 21, and the inner surface of ring-shaped article 30 and outer surface are all with the welding composite bed as welding material.Ring-shaped article 30 can be the alloy the same with fin and heat exchanger tube.
As illustrated in Figures 5 and 6, the outer surface of ring-shaped article 30 is taper surfaces, and the inner surface of the fin hole flanging 23 of fin main body 21 is taper surfaces.The taper surface of the fin hole flanging 23 of the taper surface of ring-shaped article 30 and fin main body 21 is to cooperation, and the taper surface of ring-shaped article 30 is fixed on the taper surface of fin hole flanging 23 of fin main body 21.
The manufacture method of heat exchanger is according to an embodiment of the invention described below.
Referring to Fig. 1 to 4, the manufacture method of this heat exchanger comprises: heat exchanger tube 10 is provided; And form fin 20, this fin 20 comprises: fin main body 21, be formed in fin main body 21, for the fin hole 22 of heat exchanger tube 10 is set, and the annular fin hole flanging 23 extending to a side of fin main body 21 from the edge in fin hole 22.The manufacture method of this heat exchanger also comprises: by heat exchanger tube 10 is put into fin hole 22, heat exchanger tube 10 and fin 20 are fitted together; And utilize welding material that the fin hole flanging of fin main body 21 23 and heat exchanger tube 10 are welded together.
According to example of the present invention, before assembling, the size of the fin hole flanging 23 of fin main body 21 is less than the size of described heat exchanger tube 10, makes the fin hole flanging 23 of fin main body 21 and described heat exchanger tube 10 form interference fit.Before step heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, the inner surface of fin hole flanging or heat exchange pipe external surface are with the welding composite bed as welding material.That is, fin or heat exchanger tube surface band welding composite bed, fin hole dimension is less than heat exchanger tube diameter, and during installation, heat exchanger tube is forced to draw in fin hole, can be with otch to allow fin hole and fin hole flanging 23 flexible on fin hole flanging.Assembled and welded.
Before heat exchanger tube 10 and fin 20 being fitted together by heat exchanger tube 10 is put into fin hole 22, precoating soldering paste on heat exchanger tube 10.That is, fin and heat exchanger tube surface be welding composite bed all, and before assembling, on heat exchanger tube, precoating soldering paste, has then assembled and welded.
According to example of the present invention, described welding material forms ring-shaped article 30, and is arranged between described heat exchanger tube 10 and the fin hole flanging 23 of fin main body 21, the fin hole flanging of fin main body 21 23 and heat exchanger tube 10 are welded together by heating.As selection, in step heat exchanger tube 10 and fin 20 being fitted together by heat exchanger tube 10 is put into fin hole 22, ring-shaped article 30 is placed between the annular fin hole flanging 23 of described heat exchanger tube 10 and fin main body 21, and the inner surface of ring-shaped article 30 and outer surface are all with the welding composite bed as welding material.
Adopt the technical scheme in embodiments of the invention, can realize the manufacture of small-pipe diameter heat exchanger, solve the technical barrier that pipe with small pipe diameter (for example, < 7mm) heat exchanger cannot tube processing.Can make heat exchanger have higher heat exchange property and lower cost.
At present the heat exchanger of large pipe (for example, diameter > 7mm), adopts tube technology mostly, and relatively, the thermal contact resistance that tube connects can be greater than welding with direct welding for this, so heat exchange property is not so good as weld connection.
Fin in employing embodiments of the invention and the connected mode of heat exchanger tube, not only can guarantee the heat exchange property of soldering, but also manufacture pipe with small pipe diameter (for example, < 7mm) heat exchanger, because current tube expansion technique can only be used on the heat exchanger that caliber is greater than 7mm for example.
Adopt the technical scheme in embodiments of the invention, not only (for example can solve current pipe with small pipe diameter, < 7mm) heat exchanger cannot expand tube and the problem that cannot produce, simultaneously because fin and heat exchanger tube employing solder technology have extraordinary heat transfer property.
Adopt the technical scheme in embodiments of the invention, adopted ring-shaped article 30, because fin hole and heat exchanger tube are matched in clearance, heat exchanger tube can inject fin hole very wellly like this, has greatly reduced technology difficulty and cost, has improved product quality.
It should be noted that all technical characteristic or part technical characterictic in the above embodiment of the present invention can combine in any suitable manner and form new embodiment.
Claims (18)
1. a heat exchanger, comprising:
Heat exchanger tube;
Fin, this fin comprises: fin main body, be formed in fin main body, for the fin hole of heat exchanger tube is set, and the annular fin hole flanging extending to a side of fin main body from the edge in fin hole; And
Welding material, for welding together fin hole flanging and the heat exchanger tube of fin main body.
2. heat exchanger according to claim 1, wherein:
Heat exchanger tube is pipe or flat tube.
3. heat exchanger according to claim 1, wherein:
Described welding material forms ring-shaped article, and is arranged between described heat exchanger tube and the fin hole flanging of fin main body, fin hole flanging and the heat exchanger tube of fin main body are welded together by heating.
4. heat exchanger according to claim 1, also comprises:
Ring-shaped article, this ring-shaped article is arranged between described heat exchanger tube and the fin hole flanging of fin main body, and the inner surface of ring-shaped article and outer surface are all with the welding composite bed as welding material.
5. heat exchanger according to claim 1, wherein:
Before assembling, the size of the fin hole flanging of fin main body is less than the size of described heat exchanger tube, makes the fin hole flanging of fin main body and described heat exchanger tube form interference fit.
6. heat exchanger according to claim 5, wherein:
Described fin main body also comprises: be formed on the otch in fin hole flanging.
7. heat exchanger according to claim 1, wherein:
Heat exchanger tube is that pipe and caliber are less than 7 millimeters.
8. according to the heat exchanger described in claim 3 or 4, wherein:
The outer surface of ring-shaped article is taper surface, and the inner surface of the fin hole flanging of fin main body is taper surface.
9. heat exchanger according to claim 1, also comprises:
Ring-shaped article, this ring-shaped article is arranged between described heat exchanger tube and the fin hole flanging of fin main body.
10. heat exchanger according to claim 9, wherein:
Fin, heat exchanger tube and ring-shaped article are made by aluminium alloy.
The manufacture method of 11. 1 kinds of heat exchangers, comprising:
Heat exchanger tube is provided;
Form fin, this fin comprises: fin main body, be formed in fin main body, for the fin hole of heat exchanger tube is set, and the annular fin hole flanging extending to a side of fin main body from the edge in fin hole;
By heat exchanger tube is put into fin hole, heat exchanger tube and fins set are fitted together;
Utilize welding material that fin hole flanging and the heat exchanger tube of fin main body are welded together.
The manufacture method of 12. heat exchangers according to claim 11, wherein:
Described welding material forms ring-shaped article, and is arranged between described heat exchanger tube and the fin hole flanging of fin main body, fin hole flanging and the heat exchanger tube of fin main body are welded together by heating.
The manufacture method of 13. heat exchangers according to claim 11, wherein:
In step heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, ring-shaped article is placed between the annular fin hole flanging of described heat exchanger tube and fin main body, and the inner surface of ring-shaped article and outer surface are all with the welding composite bed as welding material.
The manufacture method of 14. heat exchangers according to claim 11, wherein:
Before assembling, the size of the fin hole flanging of fin main body is less than the size of described heat exchanger tube, makes the fin hole flanging of fin main body and described heat exchanger tube form interference fit.
The manufacture method of 15. heat exchangers according to claim 11, wherein:
Before heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, precoating soldering paste on heat exchanger tube.
The manufacture method of 16. heat exchangers according to claim 11, wherein:
Heat exchanger tube is that pipe and caliber are less than 7 millimeters.
17. according to the manufacture method of the heat exchanger described in claim 12 or 13, wherein:
The outer surface of ring-shaped article is taper surface, and the inner surface of the fin hole flanging of fin main body is taper surface.
The manufacture method of 18. heat exchangers according to claim 14, wherein:
Before step heat exchanger tube and fins set being fitted together by heat exchanger tube being put into fin hole, the inner surface of fin hole flanging or heat exchange pipe external surface are with the welding composite bed as welding material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398292.9A CN104154778B (en) | 2014-08-13 | 2014-08-13 | Heat exchanger and method for manufacturing heat exchanger |
| PCT/CN2015/086634 WO2016023466A1 (en) | 2014-08-13 | 2015-08-11 | Heat exchanger, and method for manufacturing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398292.9A CN104154778B (en) | 2014-08-13 | 2014-08-13 | Heat exchanger and method for manufacturing heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154778A true CN104154778A (en) | 2014-11-19 |
| CN104154778B CN104154778B (en) | 2017-02-08 |
Family
ID=51880345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398292.9A Expired - Fee Related CN104154778B (en) | 2014-08-13 | 2014-08-13 | Heat exchanger and method for manufacturing heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104154778B (en) |
| WO (1) | WO2016023466A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501293A (en) * | 2014-12-29 | 2015-04-08 | 陈卫东 | Finned radiator and production process thereof |
| 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 |
| CN105910345A (en) * | 2016-06-08 | 2016-08-31 | 合肥美菱股份有限公司 | Finned evaporator |
| CN106216554A (en) * | 2016-08-15 | 2016-12-14 | 安徽天祥空调科技有限公司 | A kind of air-conditioning heat exchanger technique |
| CN107598010A (en) * | 2017-09-22 | 2018-01-19 | 徐州德坤电气科技有限公司 | A kind of control method of air conditioner fin assembly automatic expanding guard system |
| CN110793347A (en) * | 2018-07-20 | 2020-02-14 | 山东大学 | A shell-and-tube heat exchanger with optimized heat exchange tube spacing |
| CN111288832A (en) * | 2018-12-06 | 2020-06-16 | 丹佛斯有限公司 | Collecting pipe and heat exchanger |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396810A (en) * | 2022-01-11 | 2022-04-26 | 青岛经济技术开发区海尔热水器有限公司 | A heating furnace main heat exchanger |
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- 2014-08-13 CN CN201410398292.9A patent/CN104154778B/en not_active Expired - Fee Related
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| GB790695A (en) * | 1941-05-13 | 1958-02-12 | Albert Bertholdt Henninger | Method of producing tubular radiators, particularly of aluminium or aluminium alloys |
| CN1369680A (en) * | 2001-02-07 | 2002-09-18 | 穆丹制造公司 | Heat exchanger |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104501293A (en) * | 2014-12-29 | 2015-04-08 | 陈卫东 | Finned radiator and production process thereof |
| CN105910345A (en) * | 2016-06-08 | 2016-08-31 | 合肥美菱股份有限公司 | Finned evaporator |
| CN106216554A (en) * | 2016-08-15 | 2016-12-14 | 安徽天祥空调科技有限公司 | A kind of air-conditioning heat exchanger technique |
| CN107598010A (en) * | 2017-09-22 | 2018-01-19 | 徐州德坤电气科技有限公司 | A kind of control method of air conditioner fin assembly automatic expanding guard system |
| CN107598010B (en) * | 2017-09-22 | 2019-02-05 | 徐州德坤电气科技有限公司 | A kind of control method of air conditioner fin assembly automatic expanding guard system |
| CN110793347A (en) * | 2018-07-20 | 2020-02-14 | 山东大学 | A shell-and-tube heat exchanger with optimized heat exchange tube spacing |
| CN111288832A (en) * | 2018-12-06 | 2020-06-16 | 丹佛斯有限公司 | Collecting pipe and heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016023466A1 (en) | 2016-02-18 |
| CN104154778B (en) | 2017-02-08 |
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