CN109073335A - With the heat exchanger for improving pipe - Google Patents
With the heat exchanger for improving pipe Download PDFInfo
- Publication number
- CN109073335A CN109073335A CN201780012753.6A CN201780012753A CN109073335A CN 109073335 A CN109073335 A CN 109073335A CN 201780012753 A CN201780012753 A CN 201780012753A CN 109073335 A CN109073335 A CN 109073335A
- Authority
- CN
- China
- Prior art keywords
- recess
- wall
- heat exchanger
- pipe
- central part
- 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.)
- Pending
Links
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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/06—Tubular elements of cross-section which is non-circular crimped or corrugated in 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
- F28F1/006—Tubular elements; Assemblies of tubular elements with variable shape, e.g. with modified tube ends, with different geometrical features
-
- 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
- F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
-
- 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
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
- F28F1/424—Means comprising outside portions integral with inside portions
- F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
-
- 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
- F28F2001/027—Tubular elements of cross-section which is non-circular with dimples
Abstract
The present invention relates to a kind of heat exchangers comprising at least one flat fluid circulation tubes (2) limited by the first and second opposite planomurals (2a), (2b).Each wall (2a, 2b) includes elongated recess (4), and recess (4) is substantially parallel to each other and parallel with the flow direction of fluid for recycling in the pipe (2).Recess lateral shift of the recess of first wall (2a) relative to the second wall (2b) a, so that recess of the first wall (2a) extends between two recess (4) of the second wall (2b).
Description
Technical field
The present invention relates to a kind of heat exchangers, more particularly, to a kind of for being brazed the pipe of type heat exchanger.
Background technique
Heat exchanger generally includes pipe, and wherein heat-transfer fluid is used to recycle, and is connected to the heat exchange elements of these pipes.
Soldering type and mechanical type heat exchanger are distinguished generally according to its manufacturing method.
In soldering type exchanger, the opposite planomural of usually each freedom first and second of fluid circulation tubes is limited.Fin is situated between
Between their pipes by soldering connection.The end of pipe is connected to fluid manifold.
It is known between the first and second planomurals of each pipe from the prior art in order to enhance the heat exchange in exchanger
The internal partition for limiting a row or multi-row parallel channels is provided.
However, such pipe is implicitly present in the expensive disadvantage of manufacture, because it is usually by corrosion-susceptible material
In extrude production.It is, furthermore, difficult to manufacture wall thickness is small while the pipe that keeps channel width big.
Document US8267163 discloses a kind of heat exchanger including hot fluid circulation pipe of flating pass, hot fluid of each flating pass
Circulation pipe is limited by the first and second opposite planomurals, and the planomural includes the small local dent of several rows.
However, a large amount of presence of these recess, especially their discontinuities for generating along wall cause to recycle in pipe
The pressure of fluid significantly reduces.
Summary of the invention
The purpose of the present invention is to propose to a kind of heat exchangers, and wherein pipe makes it possible to increase heat with the limited pressure loss and hand over
It changes and reduces its manufacturing cost.
For this purpose, subject of the present invention is a kind of heat exchanger comprising at least one is by the first and second opposite planomurals
The flat fluid circulation tubes limited,
It is characterized in that, each wall includes elongated recess, the recess be substantially parallel to each other and in pipe
The flow direction of the fluid of circulation is parallel, recess lateral shift of the recess of the first wall relative to the second wall, so that the first wall
Recess extend between two of the second wall recess.
Because it is elongated for being recessed, there is no discontinuity along tube wall, and the pressure loss is limited.Moreover,
The manufacturing cost of this pipe is limited, because by the planomural of forming tube rather than can extrude manufacture recess.
Finally, due to recess lateral shift of the recess of the first wall relative to the second wall, so that the recess of the first wall is
Extend between two recess of two walls, emphasizes the flat channel with circular contour, this is conducive to heat exchange without producing
The raw apparent pressure loss.
In a particular embodiment, two of same planomural continuous recess are separated by the flat part of the same wall.
In a particular embodiment, each wall includes the central part extended on the longitudinal direction of pipe and do not have that recess extends
There is the longitudinal end of the recess extended on the longitudinal direction of pipe.
The longitudinal end for the pipe not being recessed is kept to allow to keep the surface for pipe to be soldered to manifold.
In a particular embodiment, the distance between the inner surface of the planomural in the central part for including recess is less than vertical
The distance between inner surface of planomural into end.
In a particular embodiment, the distance between the outer surface of the wall in longitudinal end is between 0.8mm and 2mm,
It is preferably ranges between 1mm and 1.4mm.
In a particular embodiment, the length of longitudinal end is between 20mm and 40mm.
In a particular embodiment, the section of pipe is generally elliptical, and the width of the central part including recess is equal to pipe
At least the 70% of width, preferably at least the 80% of the width of pipe, the width of pipe is defined as the main shaft in the section of pipe.
In a particular embodiment, on the one hand include recess central part in wall inner surface between maximum distance
It is less than in central part with variation of the another aspect between the minimum range between the inner surface of the wall in central part
20% of minimum range between the inner surface of wall.
Preferably, each wall includes extending in the transverse direction of pipe without the lateral ends of recess.
In a particular embodiment, the distance between the inner surface of the planomural in the central part for including recess is less than in cross
The distance between inner surface of planomural into end.
In a particular embodiment, the distance between the outer surface of the wall in lateral ends is between 0.8mm and 2mm,
It is preferably ranges between 1mm and 1.4mm.
In a particular embodiment, include recess central part in wall inner surface between maximum distance between
Between 0.3mm and 0.8mm, it is preferably ranges between 0.5mm and 0.6mm.In a particular embodiment, the thickness of wall is between 0.2mm
Between 0.4mm.
In a particular embodiment, exchanger includes at least two continuous flat fluid circulation tubes, each flat fluid circulation tubes
It is limited by the first and second opposite planomurals, the section of each pipe is generally elliptical, the intermediate fore-and-aft plane of two continuous pipes
The distance between 5mm and 10mm, be preferably ranges between 5mm and 8mm.
The invention further relates to a kind of motor vehicles including heat exchanger according to the present invention.
Detailed description of the invention
Being described below for example, with reference, which is purely acting as, by reading is better understood with the present invention, in which:
- Fig. 1 is the transverse sectional view of heat exchanger according to a particular embodiment of the present invention；
- Fig. 2 is the perspective view of a part of the pipe of heat exchanger according to a particular embodiment of the present invention；
- Fig. 3 is the transverse sectional view of the plane III-III along Fig. 2；
- Fig. 4 is the detailed view of the circle segment IV of Fig. 3.
Specific embodiment
Fig. 1 shows a part of the brazing heat exchanger 1 according to the present invention for motor vehicles.
Heat exchanger 1 includes the flat fluid circulation tubes 2 by soldering connection to stacked fin 3.For clarity, Fig. 1
Illustrate only one in these fins 3.
Each pipe 2 has the basic elliptic cross-section of the flat elongated shape of generally tubular, and opposite by first and second
Planomural 2a, 2b limit.
Preferably, the distance between intermediate fore-and-aft plane of two continuous pipes 2 or spacing P are excellent between 5mm and 10mm
Selection of land is between 5mm and 8mm.
Moreover, the thickness T of the first wall 2a and the second wall 2bT(referring specifically to Fig. 3) advantageously between 0.2mm and 0.4mm it
Between.
Especially it can such as find out in Fig. 2, each wall 2a, 2b include elongated recess 4, and recess 4 is substantially parallel to each other
And it is parallel with the flow direction of the fluid for being recycled in pipe 2.
Recess 4 extends on the respective center part 6 of the first wall 2a and the second wall 2b, prolongs on the longitudinal direction of pipe 2
It stretches, extends the longitudinal end 8 without recess 4 on the longitudinal direction of pipe 2 to leave.Here term be longitudinally interpreted as along
The longitudinal direction of pipe corresponds to the flow direction of the fluid for recycling in pipe 2.
In a preferred embodiment, the length L of longitudinal end 8EBetween 20mm and 40mm.
In addition, as can be seen in Figure 3, and specifically in Fig. 4, the central part 6 including recess 4 is in pipe 2
Transverse direction on extend, so as to leave in the transverse direction of pipe 2 extend without the lateral ends 10 of recess.Here term
Laterally it is interpreted as the transverse direction along pipe, corresponds to the width direction of pipe 2, the width of pipe is defined as the ellipse of pipe 2
The main shaft of tee section.
Preferably, the width W of central part 6DEqual at least the 70% of the width of pipe 2, the even width of pipe 2
80%.
As in figures 3 and 4 as can be seen that in an illustrated embodiment, recess 4 has semi-circular cross-section.
Recess lateral shift of the recess of first wall 2a (roof) relative to the second wall 2b (bottom wall), so that the first wall 2a
Recess 4 extends between two recess 4 of the second wall 2b.
Moreover, the continuous recess 4 of two of same planomural 2a, 2b is separated by the flat part 12 of same wall 2a, the 2b.
Therefore, the recess 4 of the first wall 2a is located at the opposite of the flat part 12 of the second wall 2b.
The distance between the inner surface 14 of wall 2a, 2b that recess 4 in central part 6 extends H be less than in longitudinal end 8 with
And the distance H between the inner surface 14 of planomural 2a, 2b in lateral ends 10E。
Particularly, as can be seen in Figure 4, on the one hand in wall 2a, 2b in the central part 6 for including recess 4
Maximum distance H between surface 141With most narrow spacing of the another aspect between the inner surface 14 of wall 2a, 2b in central part 6
From H2Between variation between the inner surface 14 of wall 2a, 2b in central part 6 less than 20%.
Preferably, (it includes in the central part 6 of recess 4 that it corresponds to the maximum distance between the inner surface 14 of wall 2a, 2b
Distance H) between 0.3mm and 0.8mm, be preferably ranges between 0.5mm and 0.6mm.
It is further preferred that maximum distance (the also referred to as height H of pipe between the outer surface 16 of wall 2a, 2bT) between 0.8mm and
Between 2mm, it is preferably ranges between 1mm and 1.4mm.
In this case, the height H of pipeTOn the one hand correspond between the outer surface 16 of wall 2a, 2b in longitudinal end 8
Distance, and on the other hand correspond to lateral ends 10 in wall 2a, 2b the distance between outer surface.
The embodiment that the present invention is not limited to be presented, and other embodiments will become to those skilled in the art
It is clear.
Therefore, the cross section of recess will have general triangular or rectangular shape rather than semicircle.Pipe can also be with
It is folded tube or electrically welded tube with center leg.
Claims (15)
1. a kind of heat exchanger, including at least one by the first and second opposite planomurals (2a), the advection body that (2b) is limited is followed
Endless tube (2),
It is characterized in that, each wall (2a, 2b) includes elongated recess (4), the recess (4) be substantially parallel to each other and with
The flow direction of the fluid recycled in Yu Guan (2) is parallel, recess of the recess of the first wall (2a) relative to the second wall (2b)
Lateral shift, so that the recess of the first wall (2a) extends between two recess (4) of the second wall (2b).
2. heat exchanger as described in claim 1, wherein the continuous recess (4) of two of same planomural (2a, 2b) is same by this
The flat part (12) of wall separates.
3. heat exchanger as claimed in claim 1 or 2, wherein each wall (2a, 2b) includes recess (4) what is wherein extended
The central part (6) extended on the longitudinal direction of pipe (2) and the recess (4) not extended on the longitudinal direction of pipe (2)
Longitudinal end (8).
4. heat exchanger as claimed in claim 3, wherein the planomural (2a, 2b) in the central part (6) including recess (4)
The distance between inner surface (14) (H) be less than between the inner surface (14) of the planomural (2a, 2b) in longitudinal end (8) away from
From (HE)。
5. heat exchanger as described in claim 3 or 4, wherein the outer surface (16) of the wall (2a, 2b) in longitudinal end (8)
The distance between (HT) between 0.8mm and 2mm, preferably between 1mm and 1.4mm.
6. the heat exchanger as described in any one of claim 3 to 5, wherein the length (L of longitudinal end (8)E) between 20mm
Between 40mm.
7. the heat exchanger as described in any one of claim 3 to 6, wherein the section of the pipe (2) is substantially elliptical,
Width (the W of central part (6) including recess (4)D) it is equal at least the 70% of the width for managing (2), preferably manage the width of (2)
At least 80%, pipe (2) width be defined as pipe (2) section main shaft.
8. the heat exchanger as described in any one of claim 3 to 7, wherein including on the one hand the central part of recess (4)
(6) maximum distance (H between the inner surface (14) of the wall (2a, 2b) in1) on the other hand wall in central part (6)
Minimum range (H between the inner surface (14) of (2a, 2b)2) between variation be less than wall (2a, 2b) in central part (6)
Inner surface (14) between minimum range (H2) 20%.
9. heat exchanger as described in any one of the preceding claims, wherein each wall (2a, 2b) is included in the cross of pipe (2)
It upwardly extends to side without the lateral ends (10) of recess (4).
10. heat exchanger as claimed in claim 9, wherein include recess (4) central part (6) in planomural (2a,
The distance between inner surface (14) 2b) (H) is less than between the inner surface (14) of the planomural (2a, 2b) in lateral ends (10)
Distance (HE)。
11. the heat exchanger as described in claim 9 or 10, wherein the outer surface of the wall (2a, 2b) in lateral ends (10)
The distance between (16) (HT) between 0.8mm and 2mm, preferably between 1mm and 1.4mm.
12. heat exchanger as described in any one of the preceding claims, wherein in the central part (6) for including recess (4)
Wall (2a, 2b) inner surface (14) between maximum distance (H) between 0.3mm and 0.8mm, preferably in 0.5mm and
Between 0.6mm.
13. heat exchanger as described in any one of the preceding claims, wherein the thickness (T of the wall (2a, 2b)T) between
Between 0.2mm and 0.4mm.
14. heat exchanger as described in any one of the preceding claims, including at least two continuous flat fluid circulation tubes
(2), each flat fluid circulation tubes (2) are limited by the first and second opposite planomurals (2a), (2b), and the section of each pipe (2) is big
It causes to be oval, two of them continuously manage the distance between the intermediate fore-and-aft plane of (2) (P) between 5mm and 10mm, preferably
Ground is between 5mm and 8mm.
15. a kind of motor vehicles, including heat exchanger (1) as described in any one of the preceding claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1650927 | 2016-02-05 | ||
| FR1650927A FR3047554B1 (en) | 2016-02-05 | 2016-02-05 | HEAT EXCHANGER WITH IMPROVED TUBES |
| PCT/FR2017/050119 WO2017134359A1 (en) | 2016-02-05 | 2017-01-20 | Heat exchanger with improved tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109073335A true CN109073335A (en) | 2018-12-21 |
Family
ID=55752529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780012753.6A Pending CN109073335A (en) | 2016-02-05 | 2017-01-20 | With the heat exchanger for improving pipe |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3411650A1 (en) |
| CN (1) | CN109073335A (en) |
| FR (1) | FR3047554B1 (en) |
| WO (1) | WO2017134359A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151949A (en) * | 1999-08-25 | 2000-11-28 | Visteon Global Technologies, Inc. | Method of manufacturing a flat corrugated tube |
| CN202145023U (en) * | 2011-07-01 | 2012-02-15 | 北京桑普电器有限公司 | Oil-filled type sheet electric heater with diamond-shaped channels |
| CN204202469U (en) * | 2014-10-29 | 2015-03-11 | 张博然 | Wing type flat heat exchange pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186250A (en) * | 1990-05-11 | 1993-02-16 | Showa Aluminum Kabushiki Kaisha | Tube for heat exchangers and a method for manufacturing the tube |
| KR100261006B1 (en) * | 1996-07-03 | 2000-07-01 | 오타 유다카 | Flat tube for radiator |
| JPH10137877A (en) * | 1996-11-05 | 1998-05-26 | Zexel Corp | Manufacture of tube heat exchanger |
-
2016
- 2016-02-05 FR FR1650927A patent/FR3047554B1/en not_active Expired - Fee Related
-
2017
- 2017-01-20 EP EP17706551.3A patent/EP3411650A1/en not_active Withdrawn
- 2017-01-20 WO PCT/FR2017/050119 patent/WO2017134359A1/en active Application Filing
- 2017-01-20 CN CN201780012753.6A patent/CN109073335A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6151949A (en) * | 1999-08-25 | 2000-11-28 | Visteon Global Technologies, Inc. | Method of manufacturing a flat corrugated tube |
| CN202145023U (en) * | 2011-07-01 | 2012-02-15 | 北京桑普电器有限公司 | Oil-filled type sheet electric heater with diamond-shaped channels |
| CN204202469U (en) * | 2014-10-29 | 2015-03-11 | 张博然 | Wing type flat heat exchange pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3411650A1 (en) | 2018-12-12 |
| WO2017134359A1 (en) | 2017-08-10 |
| FR3047554B1 (en) | 2019-05-17 |
| FR3047554A1 (en) | 2017-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181221 |