CN101600931B - Heat exchanger tube and method of forming the same - Google Patents
Heat exchanger tube and method of forming the same Download PDFInfo
- Publication number
- CN101600931B CN101600931B CN2007800511594A CN200780051159A CN101600931B CN 101600931 B CN101600931 B CN 101600931B CN 2007800511594 A CN2007800511594 A CN 2007800511594A CN 200780051159 A CN200780051159 A CN 200780051159A CN 101600931 B CN101600931 B CN 101600931B
- Authority
- CN
- China
- Prior art keywords
- bend
- sheet material
- flat tube
- relatively large
- moulding section
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/003—Rigid pipes with a rectangular cross-section
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to flat heat exchanger tubes, having two narrow and two broad sides. The flat tubes can be manufactured from two continuous strips, having a relatively large curve on one longitudinal edge of the strips and having a relatively small curve on the other longitudinal edge of the strips. The two strips are arranged laterally transposed with respect to one another, to form the wall of the flat tubes, so that the relatively large curve of the longitudinal edge of one strip holds in itself the relatively small curve of the longitudinal edge of the other strip to form the narrow sides of the flat tubes. The strips are formed with at least one further contoured portion which extends in the longitudinal direction of the flat tubes and which improves the cohesion of the flat tube.
Description
The cross reference of related application
The application introduces its full content in this priority that requires the German patent application No.DE 102007006664.5 that submitted on February 10th, 2007 by reference at this.
Technical field
The present invention relates to be used for the flat tube of heat exchanger (charge air cooler that for example is used for motorcycle).Heat-exchanger pipeline can have two narrow sides and two wide sides, and can be made by moulding, continuous sheet material by two, on a longitudinal edge of sheet material, have relatively large bend, and on another longitudinal edge of sheet material, have less relatively bend.Two sheet materials can relative to each other be arranged in the following manner, to form the wall of flat tube, that is: the relatively large bend on the longitudinal edge of a sheet material remains on wherein (vice versa) with the less relatively bend on the longitudinal edge of another sheet material, thereby forms the narrow side of flat tube.
Summary of the invention
Known flat tube from some applications relatively early.One of application has application number DE10 2,006 006 670.7.Fig. 1 shows the cross section of the flat tube of above-mentioned application.This flat tube also has corrugated internal part z except the above feature of enumerating.This flat tube is restricted to the wall thickness that has as thin as a wafer, for example in the scope of 0.03mm-0.15mm, or a little more than this scope.This flat tube also the defending party to the application make and be installed in the heat exchanger based on probation.Up to the present, therefore this heat exchanger is hopeful to become very soon commercialization successfully by all Qualify Phases.
In some flat tubes, the alteration of form do not expected does not take place in Han Jie flat tube in manufacture process.Flat tube is in that to utilize flank to be installed on the aperture plate of heat exchanger the back in advance soldered.Alteration of form may be owing to be present in the material (aluminum steel plate) or by the material stress that forming operation produced of necessity of sheet material.Alteration of form may cause not fully up to expectations being welded to connect, and for example also may stop to be connected to corrugated internal part z.Accompanying drawing 2a and 2b are intended to illustrate the problem of indication here.A narrow side of flat tube is illustrated in the left side of Fig. 2 a.According to two figure on Fig. 2 a right side, clearly, because the effect of forming force in the manufacture process of flat tube, the bend of the narrow side of flat tube can be from flicking each other.Because above-mentioned, as previously mentioned, the welding quality in the welding process afterwards is affected.Arrow is can cause the above-mentioned power that flicks in order to illustrate, and it acts on the flat tube in the process of machining flat pipeline with the formation radiator.Also show a narrow side of flat tube among Fig. 2 b.According to the figure on Fig. 2 b right side, clearly, owing to the inequality that applies of power in the flat tube forming process, relatively large bend B does not remain on its given position owing to internal stress.
In described Fig. 1, equally significantly, be subjected to displacement on the direction of the sheet material of flat tube or the wall part arrow shown in can be therein, if finally cause sheet material the situation of the part z that does not have above-mentioned inside issue estranged from.Of the present invention one independently purpose be to eliminate or alleviate described defective.
According to an aspect, the regulation sheet material has corresponding moulding section, and moulding section is along the longitudinal extension of flat tube, and interacts with corresponding another sheet material by moulding section and to have improved the adhesion of the flat tube that is formed by sheet material.This prevented at least largely the machining flat pipeline with the process that forms radiator in (promptly before the welded heat radiator process is performed) flat tube situation of flicking or being open.Thereby provide the prerequisite of better welding quality.
Especially, two sheet material, preferablies are implemented in the same manner.Moulding section preferably is implemented as flange or kink etc.Moulding section preferably is set at the initial part place and/or the place, end of bend.
In present preferred concrete condition, require moulding section to be arranged in roughly to be positioned at the initial part place of the relatively large bend of a sheet material, and interact with the end of the relative less bend of another sheet material.In the concrete situation of another kind, moulding section is arranged in the section start of the relatively large bend that roughly is positioned at a sheet material, and interacts with the part of the relative less bend of another sheet material.Present this situation also is preferred, because in this case, less relatively bend can have a plurality of layers in very favorable mode, thereby produces more stable narrow side.
Under concrete condition, the place, end that requires moulding section to be arranged in the section start of the less relatively bend that roughly is positioned at two sheet materials and roughly be positioned at the relatively large bend of two sheet materials, their interactional modes make moulding section be matched with each other haply in this case.
In an advantageous embodiment, require relatively large bend and/or less relatively bend to be implemented as multilayer.Sandwich construction is realized by folding in the bend.Like this, can greatly strengthen the narrow side of flat tube as described.
To adopt a plurality of example embodiment to describe the present invention by accompanying drawing.By specifying and corresponding accompanying drawing, it is clear that other aspects of the present invention will become.
Description of drawings
Each view illustrates following content:
Fig. 1 illustrates the cross section of the flat tube of prior art;
Fig. 2 a and 2b illustrate the problem that the flat tube of prior art has;
Fig. 3 a-d illustrates first example embodiment that is used to the problem shown in Fig. 2 a that solves;
Fig. 4 a-d illustrates second example embodiment that is used to the problem shown in Fig. 2 a that solves;
Fig. 5 a-d illustrates the 3rd example embodiment that is used to the problem shown in Fig. 2 a that solves;
Fig. 6 a-d illustrates the 4th example embodiment that is used to the problem shown in Fig. 2 b that solves;
Fig. 7 a-d illustrates the 5th example embodiment that is used to the problem shown in Fig. 2 a and the 2b that solves;
Thereby Fig. 8 illustrates the additional measures that is used for the 3rd example embodiment suitably and shows the solution of the problem shown in Fig. 2 a and the 2b; And
Fig. 9 illustrates each step in the manufacture process of sheet material.
The specific embodiment
Before describing any embodiment of the present invention in detail, should be understood that the structure of the member shown in that application of the present invention is not limited to point out in the following explanation or the following drawings and the details of layout.The present invention is suitable for other embodiment, and is suitable for carrying out or implementing with different modes.Be also to be understood that use therein wording and term purpose are to describe, and can not think restriction." comprising " wherein, " comprising " or " having " with and distortion be intended to comprise list thereafter, suitable project, and additional project with it.Unless otherwise prescribed or restriction, " installations ", " connections ", " support ", " coupling " with and be out of shape broadly use, and comprise directly with indirectly and install, be connected, support, be coupled.In addition, " connection " and " coupling " are not limited to being connected and coupling of physics or machinery.
Each of five example embodiment illustrated by four figure that are referred to as alphabetical a-d.Shown in each figure a by the zoomed-in view than B of macrobending portion or less bend b of the sheet material of moulding.Figure b always represents one by the sheet material of moulding.Figure c illustrates the narrow side 1 of the flat tube that the less bend b than the B of macrobending portion and another sheet material by a sheet material forms.At last, figure d is as showing each flat tube with the cross section corresponding view of passing flat tube.
In all illustrated example embodiment, internal part as shown in Figure 1 internal part z can appear, for example.In all illustrated example embodiment, by providing and the step a that is compensated roughly is positioned at the initial part place of less bend b than the B of macrobending portion." bend " speech should not be understood that ring-type or parabolic bend etc. with the form of constraint here." bend " speech also should be understood that for example following embodiment: have straight narrow side 1, narrow side 1 has two marginal portions, and two marginal portions constitute the transition portion from 1 to two wide side 2 of narrow side.
In all example embodiment, two sheet material x are identical with y basically, and relative to each other with horizontal arranged in form to falling, to form flat tube.In addition, the thickness of sheet material should be about the scope of 0.03mm-0.15mm, or a little more than this scope.In addition, if be provided with internal part, the thickness that then is used for the sheet material of internal part should be in the scope of 0.03-0.09mm.In addition, the flat tube of the charge air cooler that only preferably uses in the motorcycle of flat tube.Heat exchanger application and the use field of not getting rid of other.The reason that bigger or relatively large bend B is explained like this is that it is suitable for keeping in himself another to be expressed as the bend of less or less relatively bend b.In fact, because sheet metal thickness as thin as a wafer, a glance looks can not distinguish size difference between bend B and the b.
According to first example embodiment of Fig. 3 flange as moulding section u is shown, this flange is himself folding obtaining, and roughly is positioned at the initial part place of the bigger bend B of two sheet material x and y, and the whole length of extend through flat tube.Clearly visible as Fig. 3 c institute, the end portion supports of the less bend b of another sheet material y is resisted against on this flange, thereby this flange and another sheet material y interact.The end of less bend b in this example embodiment is provided with the crimping v at the edge of strip material, is used for improving the end of less bend b and the interaction of flange u during the manufacturing of flat tube is handled and rabbeted.Thereby improve the adhesion of two sheet materials of flat tube.
The narrow side 1 of the flat tube that proposes according to the example embodiment of Fig. 4 has three layers.Simple kink is set to be positioned at the moulding section u than the place, end of the B of macrobending portion.Bigger bend B has simple folding.In each case, the end portion supports of the less bend b of another sheet material is resisted against on the above-mentioned kink u, thereby kink u and another sheet material interact.Equally, the sheet material with less relatively bend b can be provided with the crimping v (not shown among Fig. 4) at the edge of strip material like that according to example embodiment Fig. 3 at end place.
Example embodiment according to Fig. 5 has also proposed to have three layers narrow side 1.As first example embodiment, the same flange that is provided as moulding section u at the initial part place of relatively large bend B.Yet different with the foregoing description is, the less relatively bend b of another sheet material has and forms double-deck folding f, and the part v1 of double-deck less bend b supports and is resisted against on the above-mentioned flange u, thus flange and the interaction of another sheet material.Because the folding f of another sheet material, the end that is called as v1 herein of less relatively bend b has two-layer, and the mode of end v1 effect is corresponding to the crimping v according to the edge of the strip material of the example embodiment of Fig. 3 and Fig. 4.Here can remove the crimping at the edge of extra strip material from.
In the example embodiment according to Fig. 6, two sheet material x of flat tube and each of y all have two moulding section u1 and u2." opening " flange is set up as the initial part place that moulding section u1 roughly is arranged on less bend b, and is folding the flange that obtains roughly is arranged on bigger bend B as moulding section u2 initial part place from one's body.Flange u1 and u2 be coupling mutually dimensionally, thereby the flange u2 than the initial part place of the B of macrobending portion of a sheet material is assembled in the opening flange u1 at initial part place of less bend b of another sheet material, thus flange and the interaction of another sheet material.
In example embodiment, the flat tube that another kind has the narrow side 1 of three-layer type is shown according to Fig. 7.The relatively large bend B here is double-deck, and kink is set as moulding section u1 at the place, end of relatively large bend B.In the part of bilayer part, flange is set, this flange is obtaining and is being called as moulding section u2 from folding on one's body.About the initial part place of less relatively bend b " opening " flange that is called as moulding section u3 is set greatly.Folding flange u2 in the double-deck part of the moulding section u3 at the initial part place of the less relatively bend b of a sheet material and the relatively large bend B of another sheet material cooperates.In addition, end (being mentioned) support of the less bend b of a sheet material is resisted against on the kink u1 at end place of relatively large bend B of another sheet material, thus kink u1 and the interaction of another sheet material.
Fig. 8 illustrates the improvement according to the example embodiment of Fig. 5 with two, wherein the end of the relatively large bend B of sheet material has smaller angle of bend w, so above-mentioned end in the end can be pulled to or be resisted against the initial part place with step a of the less relatively bend b of another sheet material in the step with prestressing force to a certain degree, thereby has further increased dimensional stability.
In order to finish this process, Fig. 9 shows some steps that are used to make a sheet material x or y.The method that is used to make all sheet material x, y and the possible z method of flat tube or is used to make flat tube is carried out on roller bearing conveyer or production line, and it is shown and described in the aforementioned application that has more Zao priority date than the application.By more as can be seen, this figure relates to the sheet material x that uses in first example embodiment according to Fig. 3, the manufacturing of y.From not begun to form moulding section u as yet, begin to form bigger bend B afterwards by the continuous sheet material x or the y of moulding.Being the step shown in one hurdle, the left side afterwards, then is that continuation is played at the top on one hurdle, the right.The bottom illustrate sheet material x or the y that finishes.Two identical sheet material x and y under being roughly according to the state in the 11 step of the bottom on one hurdle, the right laterally the mode of falling is made up, with the formation flat tube.Another sheet material x or y (this place is not shown) place from the top, the still uncompleted relatively large bend B of sheet material x shown in the bend b that it is less relatively puts into or y, the relatively large bend B of unshowned another sheet material be coupled to from the top sheet material that illustrates less relatively bend b around.
Described above just proposes in the mode of example with the shown embodiment of accompanying drawing, and purport is in design of the present invention and principle are limited.Therefore, only one skilled in the art will understand that otherwise deviate from the spirit and scope of the present invention of pointing out in the claims, can be to the various changes of carrying out of element and structure and layout.
Claims (9)
1. flat tube that is used for heat exchanger, described flat tube comprises:
Two narrow sides and two wide sides, it is made by two continuous sheet materials, has relatively large bend at a longitudinal edge of described sheet material, and have less relatively bend on another longitudinal edge of described sheet material;
Wherein, two described sheet materials are relative to each other arranged in the manner as described below, to form the wall of described flat tube: described arrangement is to make the described relatively large bend of longitudinal edge of a described sheet material that the described less relatively bend on the longitudinal edge of another described sheet material is remained on wherein, to form the described narrow side of described flat tube;
Wherein, in two described sheet materials each includes at least one other moulding section, described other moulding sections are along the longitudinal extension of described flat tube, and described other moulding sections by a described sheet material interact with corresponding another described sheet material and improve the adhesion of the described flat tube that is formed by described sheet material.
2. flat tube according to claim 1, wherein, described moulding section is implemented as one in flange and the kink.
3. flat tube according to claim 1, wherein, described moulding section is disposed in the places in the end of the end of the initial part of the initial part of described less relatively bend, described relatively large bend, described less relatively bend and described relatively large bend.
4. flat tube according to claim 1, wherein, described moulding section is disposed in the initial part place of the described relatively large bend that roughly is positioned at a described sheet material, and interacts with the end of the described relative less bend of another described sheet material.
5. flat tube according to claim 4, wherein, the described end of described less relatively bend comprises the crimping at the edge of described sheet material.
6. flat tube according to claim 1, wherein, described moulding section is disposed in the initial part place of the described relatively large bend that roughly is positioned at a described sheet material, and interacts with the part of the described relative less bend of another described sheet material.
7. flat tube according to claim 1, wherein, the end place that described moulding section is disposed in the initial part place of the described less relatively bend that roughly is positioned at two described sheet materials and roughly is positioned at the described relatively large bend of two described sheet materials, the described moulding section at described moulding section and the place, end of the described relatively large bend that is positioned at corresponding another described sheet material at initial part place that wherein is positioned at the described less relatively bend of a described sheet material is assemblied in each other.
8. flat tube according to claim 7, wherein, described moulding section is a flange, and a described flange is implemented as the opening flange, and its another described flange is assembled in the opening of described opening flange.
9. flat tube according to claim 1, wherein, described relatively large bend and/or described less relatively bend are implemented as by being folded to small part ground and form multilayer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007006664.5 | 2007-02-10 | ||
| DE102007006664A DE102007006664A1 (en) | 2007-02-10 | 2007-02-10 | Flat tube for heat exchanger |
| PCT/US2007/085921 WO2008097405A1 (en) | 2007-02-10 | 2007-11-29 | Heat exchanger tube and method of forming the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101600931A CN101600931A (en) | 2009-12-09 |
| CN101600931B true CN101600931B (en) | 2011-01-26 |
Family
ID=39597543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800511594A Expired - Fee Related CN101600931B (en) | 2007-02-10 | 2007-11-29 | Heat exchanger tube and method of forming the same |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101600931B (en) |
| BR (1) | BRPI0721313A2 (en) |
| DE (1) | DE102007006664A1 (en) |
| WO (1) | WO2008097405A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013204740A1 (en) * | 2013-03-18 | 2014-09-18 | Behr Gmbh & Co. Kg | Flat tube and a heat exchanger with such a flat tube |
| DE102013204739A1 (en) * | 2013-03-18 | 2014-09-18 | Behr Gmbh & Co. Kg | Flat tube and a heat exchanger with such a flat tube |
| EP3521746B1 (en) * | 2018-02-06 | 2023-04-19 | Valeo Autosystemy SP. Z.O.O. | A flat tube for a heat exchanger |
| JP6636110B1 (en) * | 2018-09-13 | 2020-01-29 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner equipped with heat exchanger, pipe expansion member, and heat exchanger |
| CN109186293A (en) * | 2018-10-12 | 2019-01-11 | 纪彦竹 | A kind of pleated sheet fin heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457470B1 (en) * | 1990-05-11 | 1996-01-03 | Showa Aluminum Kabushiki Kaisha | Tube for heat exchangers and a method for manufacturing the tube |
| US6192977B1 (en) * | 1999-09-29 | 2001-02-27 | Valeo Thermique Moteur | Tube for heat exchanger |
| CN1766518A (en) * | 2004-10-25 | 2006-05-03 | 株式会社电装 | Heat exchanger and method of manufacturing the same |
| CN1829893A (en) * | 2003-07-25 | 2006-09-06 | 株式会社T.Rad | Flat tube for heat exchanger |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB638161A (en) * | 1947-04-21 | 1950-05-31 | Celso Ciamberlini | Improvements in or relating to furnace linings |
| DE934644C (en) * | 1950-07-09 | 1955-11-03 | Walter Schoeler | Method and device for the production of thin-walled, dimensionally stable hollow bodies of elongated shape |
| DE1061805B (en) * | 1957-05-02 | 1959-07-23 | Friedrich Lohmann Dipl Ing | Heat exchanger with longitudinal ribs arranged on both sides of a web |
| JP3901349B2 (en) * | 1998-06-12 | 2007-04-04 | カルソニックカンセイ株式会社 | Flat heat transfer tube for heat exchanger |
| DE10137334A1 (en) * | 2001-07-31 | 2003-02-27 | Modine Mfg Co | Flat tube, manufacturing process, heat exchanger |
| DE102006006670B4 (en) | 2006-02-14 | 2014-02-13 | Modine Manufacturing Co. | Flat tube for heat exchanger |
| DE102006016711B4 (en) * | 2006-04-08 | 2016-11-03 | Modine Manufacturing Co. | Flat tube for heat exchanger |
-
2007
- 2007-02-10 DE DE102007006664A patent/DE102007006664A1/en active Pending
- 2007-11-29 CN CN2007800511594A patent/CN101600931B/en not_active Expired - Fee Related
- 2007-11-29 WO PCT/US2007/085921 patent/WO2008097405A1/en active Application Filing
- 2007-11-29 BR BRPI0721313-1A2A patent/BRPI0721313A2/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0457470B1 (en) * | 1990-05-11 | 1996-01-03 | Showa Aluminum Kabushiki Kaisha | Tube for heat exchangers and a method for manufacturing the tube |
| US6192977B1 (en) * | 1999-09-29 | 2001-02-27 | Valeo Thermique Moteur | Tube for heat exchanger |
| CN1829893A (en) * | 2003-07-25 | 2006-09-06 | 株式会社T.Rad | Flat tube for heat exchanger |
| CN1766518A (en) * | 2004-10-25 | 2006-05-03 | 株式会社电装 | Heat exchanger and method of manufacturing the same |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2003-232598A 2003.08.22 |
| JP特开平11-351777A 1999.12.24 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101600931A (en) | 2009-12-09 |
| BRPI0721313A2 (en) | 2014-03-25 |
| WO2008097405A1 (en) | 2008-08-14 |
| DE102007006664A1 (en) | 2008-08-14 |
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Granted publication date: 20110126 Termination date: 20131129 |