EP3332206A1 - Wärmeübertrager - Google Patents
WärmeübertragerInfo
- Publication number
- EP3332206A1 EP3332206A1 EP16745757.1A EP16745757A EP3332206A1 EP 3332206 A1 EP3332206 A1 EP 3332206A1 EP 16745757 A EP16745757 A EP 16745757A EP 3332206 A1 EP3332206 A1 EP 3332206A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- wave
- tubes
- curved
- segment
- 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
Links
- 239000012790 adhesive layer Substances 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000002313 adhesive film Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F28F1/10—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
- F28F1/126—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 consisting of zig-zag shaped fins
- F28F1/128—Fins with openings, e.g. louvered fins
-
- 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
- F28F1/126—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 consisting of zig-zag shaped fins
-
- 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
- F28F1/24—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 and extending transversely
- F28F1/32—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 and extending transversely the means having portions engaging further tubular elements
- F28F1/325—Fins with openings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/02—Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
Definitions
- the present invention relates to a heat exchanger with tubes and interposed corrugated fins with straight flanks and each having a curvature troughs and crests, according to the preamble of claim 1.
- Heat exchangers can be provided with improved efficiency.
- the heat exchanger network has a plurality of flat tubes and arranged between the flat tubes, in heat-conducting contact with these lamellae and wherein the heat-conducting contact is made solely by mutual tension of the flat tubes and fins.
- the slats are in the direction of
- corrugated ribs are used between individual tubes of such heat exchangers in a known manner, which improves the heat transfer usually soldered to the pipes.
- the adhesives used for this purpose for example with
- the present invention deals with the problem, for a
- Heat exchanger of the generic type to provide an improved or at least one alternative embodiment, which overcomes in particular the disadvantages known from the prior art.
- the present invention is based on the general idea to be able to create a heat exchanger on the one hand, which can be glued, and On the other hand, however, this comparatively inexpensive and with
- the heat exchanger according to the invention has in a known manner tubes and interposed corrugated fins with straight flanks and each having a curvature having wave troughs and wave crests.
- the curvature of a wave crest can alternatively be designed in two embodiments according to the invention. With the two
- the corrugated fin according to the invention is in bionic form based on the shape of a human foot. It is particularly advantageous that results in a pressure-stable rib or flank of the corrugated fin, which avoids buckling under pressurization.
- the domed first section has a positive slope of +0.1 to + 0.5% while the linear second section has a negative slope of -0.1 to -0.5%.
- the slope of the curved first section is determined between its beginning and end point.
- the wave crest can thus correspond to a mirrored wave valley or vice versa.
- Section again passes over a high point in the second section and wherein at unloaded corrugated fins between two adjacent wave crests a tolerance distance a remains, which is dimensioned so that it is pressed when installed in the heat exchanger state to zero and thereby abut the wave crests to block each other.
- the two sections are arranged in mirror image to each other, as long as the mirror axis passes through the high point.
- the horizontal tolerance distance a between two wave crests or between two wave troughs can thus preset determine a possible vertical spring travel, as contact after exhausting this spring travel two adjacent wave peaks or troughs and thus creates a very stable arch structure.
- Heat exchanger can be increased
- an opposing gradient of the first and second sections is about 0.3-0.4%. This makes it possible to create a comparatively shallow wave crest or a comparatively shallow wave trough, which on the one hand enables a flat and thus good heat transfer connection to the pipe and
- an adhesive layer in particular by laminating, is applied on an outer side of the tubes.
- the adhesive layer can thus be applied, in particular in the form of an adhesive film or an adhesive film, whereby the application of the adhesive layer is possible not only economically but also of extremely high quality.
- the corrugated fins are made of a good thermally conductive material, preferably aluminum, copper, etc. This can also be a
- the heat exchanger is expediently designed as an evaporator, as a radiator, as a condenser, as a charge air cooler, as a chiller, as an oil cooler, as a radiator or as a PTC heater.
- Fig. 1 is a sectional view through an inventive
- Fig. 2 is a detailed view of the corrugated fin according to the first alternative
- Fig. 3 is a representation as in Fig. 1, but with corrugated fins according to a
- Fig. 4 is a detailed view of the corrugated fins according to the second alternative
- a heat exchanger 1 which can be designed, for example, as an evaporator, as a radiator, as a condenser, as a charge air cooler, as a chiller, as an oil cooler, as a radiator or as a PTC heater, has tubes 2 and interposed therebetween Corrugated ribs 3 with straight edges 4 and each having a bulge 5 having troughs 6 and wave crests 7 (see also Figs., 2 and 4).
- the corrugated fins 3 are glued to the tubes 2 via an adhesive layer 8.
- the bulge 5 of a wave crest 6 according to two alternative embodiments formed:
- this has a curved first section 9 and a linear second section 10, wherein the linear second section 10 is twice as long as the first section 9.
- the length used for this refers to an extension along a central axis 12.
- the curved first portion 9 has a slope of 0.1 -0.5%, preferably between +0.3 and +0.4%, while the linear second portion 10 has a gradient of -0 , 1 to -0.5%, preferably from -0.3 to -0.4%.
- the height of the curvature 5 to the transition into the respective flanks 4 is referred to as shown in FIGS. 2 and 4 with m.
- its convexity 5 of a wave crest 6 (see Fig. 4) has a curved first section 9 and a second section 10 curved in the same direction and having the same length L (along the central axis 12) and are therefore formed the same length.
- a tolerance distance a which is dimensioned such that it goes to zero when installed in the heat exchanger 1 state and thereby the wave crests 6 rest on block to each other.
- the difference between the wave crests 6 and the wave troughs 7 can only be seen in a reflection with respect to the central axis 12, so that the wave crests 6 correspond to the wave troughs 7.
- the adhesive layer 8 is applied to the outside of the tubes 2, for example by laminating, whereby such an adhesive layer 8, for example in the form of an adhesive film or an adhesive film, not only cost, but also with low layer thickness and can be reliably applied.
- the individual corrugated fins 3 are glued to the respective adjacent tubes 2, wherein the corrugated fins 3 preferably lie flat against the tubes 2 in the region of their wave crests 6 and their wave troughs 7, thereby enabling a good heat transfer.
- the corrugated fins 3 according to the invention are preferably formed of aluminum and thus a good heat-conducting material. In theory, a combination of different materials is grateful by gluing the corrugated fins 3 with the tubes 2, so that the corrugated fins 3 can be formed from a different material to the tubes 2, without the risk of contact corrosion exists.
- Adhesive layer thicknesses which have an insulating effect and thereby cause a reduced performance of the glued heat exchanger 1, can be avoided.
- an enlargement of the contact surface on the tube 2 can be achieved, whereby a likewise improved heat transfer can be achieved.
- the embodiment of the corrugated fins 3 shown in FIG. 2 may of course also be formed symmetrically and not as in the example shown asymmetrically.
- the achievable with the corrugated fin 3 according to the invention spring action can thus compensate comparatively easily even with low layer thicknesses manufacturing tolerances.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015215053.4A DE102015215053A1 (de) | 2015-08-06 | 2015-08-06 | Wärmeübertrager |
PCT/EP2016/068452 WO2017021416A1 (de) | 2015-08-06 | 2016-08-02 | Wärmeübertrager |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3332206A1 true EP3332206A1 (de) | 2018-06-13 |
EP3332206B1 EP3332206B1 (de) | 2019-04-03 |
Family
ID=56561372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16745757.1A Active EP3332206B1 (de) | 2015-08-06 | 2016-08-02 | Wärmeübertrager |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190242658A1 (de) |
EP (1) | EP3332206B1 (de) |
CN (1) | CN107850402A (de) |
DE (1) | DE102015215053A1 (de) |
WO (1) | WO2017021416A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11032944B2 (en) * | 2017-09-29 | 2021-06-08 | Intel Corporation | Crushable heat sink for electronic devices |
EP3540354A1 (de) * | 2018-03-15 | 2019-09-18 | Mahle International GmbH | Wellrippenverbundmaterial für einen wärmetauscher |
DE102020212488A1 (de) | 2020-10-02 | 2022-04-07 | Mahle International Gmbh | Verfahren und Anordnung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1301665A (de) * | 1969-05-09 | 1973-01-04 | ||
US4067219A (en) * | 1977-03-23 | 1978-01-10 | Bernard J. Wallis | Heat exchanger fin roll |
US4645000A (en) * | 1986-04-21 | 1987-02-24 | General Motors Corporation | Tube and fin heat exchanger |
JP3814846B2 (ja) * | 1994-12-26 | 2006-08-30 | 株式会社デンソー | コルゲートフィン用成形ローラ及びコルゲートフィン成形方法 |
ES2205427T3 (es) * | 1997-08-19 | 2004-05-01 | Gruter Elektroapparate Ag | Cañon extrusor con un intercambiador de calor. |
DE60027990T2 (de) * | 1999-11-26 | 2006-09-21 | Calsonic Kansei Corp. | Verfahren zur Herstellung einer Wellrippe |
DE20118511U1 (de) | 2000-11-01 | 2002-02-14 | Autokuehler Gmbh & Co Kg | Wärmeaustauschernetz und damit hergestellter Wärmeaustauscher |
JP2003279278A (ja) * | 2002-01-15 | 2003-10-02 | Denso Corp | 熱交換器 |
DE10228697C5 (de) * | 2002-06-27 | 2007-05-16 | Gea Energietechnik Gmbh | Wärmeübertrager |
JP2005061648A (ja) * | 2003-08-18 | 2005-03-10 | Zexel Valeo Climate Control Corp | 熱交換器 |
DE102006035209A1 (de) | 2006-07-29 | 2008-01-31 | Modine Manufacturing Co., Racine | Wellrippe und Wärmetauscher |
US7850796B2 (en) * | 2007-08-20 | 2010-12-14 | Denso Corporation | Aluminum alloy fin material for brazing |
CN101846475B (zh) * | 2009-03-25 | 2013-12-11 | 三花控股集团有限公司 | 用于热交换器的翅片以及采用该翅片的热交换器 |
CN101526324B (zh) * | 2009-04-13 | 2010-07-28 | 三花丹佛斯(杭州)微通道换热器有限公司 | 翅片、具有该翅片的换热器和换热器装置 |
CN101691975B (zh) * | 2009-09-03 | 2011-06-29 | 三花丹佛斯(杭州)微通道换热器有限公司 | 用于热交换器的翅片以及具有该翅片的热交换器 |
DE102013206056A1 (de) * | 2013-03-18 | 2014-09-18 | Behr Gmbh & Co. Kg | Verfahren zur Herstellung von verbundenen Wärmeübertragerelementen |
DE102013226542A1 (de) * | 2013-12-18 | 2015-06-18 | MAHLE Behr GmbH & Co. KG | Heizvorrichtung |
-
2015
- 2015-08-06 DE DE102015215053.4A patent/DE102015215053A1/de not_active Withdrawn
-
2016
- 2016-08-02 US US15/748,642 patent/US20190242658A1/en not_active Abandoned
- 2016-08-02 EP EP16745757.1A patent/EP3332206B1/de active Active
- 2016-08-02 CN CN201680044806.8A patent/CN107850402A/zh active Pending
- 2016-08-02 WO PCT/EP2016/068452 patent/WO2017021416A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20190242658A1 (en) | 2019-08-08 |
DE102015215053A1 (de) | 2017-02-09 |
WO2017021416A1 (de) | 2017-02-09 |
CN107850402A (zh) | 2018-03-27 |
EP3332206B1 (de) | 2019-04-03 |
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