EP3743667B1 - Plaque pour échangeur de chaleur et échangeur de chaleur comprenant une telle plaque - Google Patents
Plaque pour échangeur de chaleur et échangeur de chaleur comprenant une telle plaque Download PDFInfo
- Publication number
- EP3743667B1 EP3743667B1 EP18708332.4A EP18708332A EP3743667B1 EP 3743667 B1 EP3743667 B1 EP 3743667B1 EP 18708332 A EP18708332 A EP 18708332A EP 3743667 B1 EP3743667 B1 EP 3743667B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- fusible
- edge
- plates
- fusible component
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 41
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 239000013529 heat transfer fluid Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 230000003313 weakening effect Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000005219 brazing Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 235000021183 entrée Nutrition 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- -1 copper Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/0075—Supports for plates or plate assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/04—Fastening; Joining by brazing
Definitions
- the present invention relates to a plate for a heat exchanger, in particular for an exchanger with plates brazed on the walls of the casing.
- EN 2992 715 A1 discloses a plate according to the preamble of claim 1.
- Automotive like many other industrial fields, uses heat exchangers to provide the engine with optimal temperature operating conditions.
- a vehicle cabin air conditioning system also requires heat exchangers.
- Aluminum in fact allows a not insignificant weight gain and aluminum alloys also have a completely satisfactory thermal conductivity while exhibiting good resistance to corrosion.
- the assembly of the constituent elements of a heat exchanger is carried out, industrially, by brazing, and not by spot welding.
- the plates 2, 3 of a state-of-the-art heat exchanger 1 are thus typically assembled by brazing to the casing 5 of the exchanger 1, that is to say assembled by adding metal to the liquid state on the metal parts to be assembled.
- heat exchangers 1 are subjected to stresses in service that are both strong and of various natures: stresses thermomechanical and chemical reactions with more or less aggressive environments.
- thermal shocks which are caused by a sudden and significant variation in temperature, for example when opening valves equipped with sensors, making it possible to measure the temperature of the engine, and allowing water to pass engine coolant, cold, in the engine air intake circuit, warmer.
- thermal shocks lead to phenomena of expansion/contraction of the plates 2, 3 of the heat exchanger 1, called thermal cycles.
- the present invention therefore aims to overcome the drawbacks of the prior art and to respond to the constraints set out above by proposing a plate for an exchanger, simple in its design and in its mode of operation, reliable and economical, which makes it possible to limit, or even to avoid the appearance in the plate of rupture zones linked to thermal shocks.
- Another object of the present invention is such a plate for a heat exchanger providing a bearing on the opposite walls of the casing with a view to its assembly by brazing with a complementary plate to form a conduit for the circulation of a heat transfer fluid.
- the present invention also relates to a heat exchanger comprising at least one such plate for an exchanger, so as to present enhanced reliability.
- the invention relates to a plate for a heat exchanger according to claim 1, said plate comprising an edge for coupling to another plate.
- said edge comprises at least one fusible part for assembling this coupling edge, with at least one casing wall, said at least one fusible part being configured to be separated from the rest of said coupling edge by differential expansion/contraction between said plate and said at least one casing wall on which it is intended to be assembled.
- the heat exchanger plate can have any shape such as square, rectangular, ...
- edge of the plate is meant the peripheral part of this plate delimiting a zone of this plate for the circulation of a heat transfer fluid, this peripheral part having an upper face, an edge and a lower face.
- this part can extend over a distance of between 0 and 30 mm, if a minimum width h 1 of 5 mm is guaranteed in this part.
- each fuse piece is carried by a corner of the plate or a portion of the coupling edge close to this edge, because it is in these places of the plate that the rupture of the fuse piece is best controlled and that the distance separating the fusible part from the zone of the plate where it is sought to preserve sealing is the greatest.
- this predetermined safety width h s is equal to 5 mm.
- This configuration of the fuse piece makes it possible to achieve another objective of the present invention, namely to obtain a "clean" break, or clean separation, of the fuse piece from the mating edge, so that this break does not tend to to propagate beyond the coupling edge, that is to say in the region of the plate delimited by this edge and in which a heat transfer fluid is intended to circulate.
- Said coupling edge extending in a main plane (P) the predetermined weakening zone is advantageously contained in this main plane (P), preferably belonging to this edge.
- said or at least one fusible part comprises a line of lesser mechanical resistance so as to break along this line.
- This line of lesser mechanical resistance therefore has a breaking strength lower than that of the metallic material surrounding it.
- this line of least resistance is intended to cause the separation, preferably in one piece, of the part of the fusible part linked to this line of least resistance.
- these may be orifices arranged linearly, or even rectilinearly, to form a “line of perforated material”.
- said or at least one fusible part comprises at least one notch.
- said fusible part comprises a first line of least resistance, two notches being located on either side of this line of least resistance.
- these fluid inlets and outlets are placed in a middle or substantially middle part of the plate.
- these fluid inlets and outlets are placed on the same side of the plate.
- Such a plate comprises at least one fusible part on at least one of its sides.
- fuse pieces are placed on two of the opposite sides of this plate.
- a first side of this plate comprises a fluid inlet and a fluid outlet placed at the head of the plate.
- the housing walls are made of a metallic material, preferably aluminum or an aluminum alloy.
- the present invention also relates to a pair of plates for an exchanger as described previously, the coupling edges of these plates being intended to be assembled to delimit a conduit for the circulation of a heat transfer fluid between these plates, each coupling edge comprising at least one fuse piece, said fuse pieces being arranged on the edges of said plates so that after assembly of the latter, two fuse pieces belonging to separate plates are placed facing each other or are offset one in relation to the other.
- the fusible parts are advantageously placed in the extension of one another.
- each fusible part is placed only in one corner of said plates.
- the present invention also relates to a plate heat exchanger comprising two plates as described previously, these two plates being assembled together to delimit a conduit for the circulation of a heat transfer fluid between these plates, at least one edge of the assembly as well formed, connected to a casing wall comprises, for each of these plates, at least one fuse piece, said or at least some of said fuse pieces placed on this edge being positioned opposite one another or being offset from one another.
- the fusible parts are advantageously placed in the extension of one another.
- the offset of the fuse parts placed on the same corner of the plates thus assembled allows an increase in the assembly surface of each fuse part intended to be assembled by brazing to the casing wall.
- This heat exchanger may comprise a bundle for exchanging heat between a first fluid and a second fluid, and a casing inside which this exchange bundle is placed.
- the first fluid may be air and the second fluid may be a coolant.
- the second fluid may for example be a mixture of water and glycol.
- the air can for example be charged air.
- FIGS. 2 to 5 schematically represent a plate 10 for a heat exchanger according to a first embodiment of the present invention.
- This plate 10 which is in one piece, is for example made of aluminum or an aluminum alloy.
- This plate 10 is generally rectangular in shape.
- This plate 10 comprises on a first transverse edge 13, or side extending in a transverse direction, a fluid inlet 14 for introducing a fluid and a fluid outlet 15 for discharging the fluid, which are placed at the top of the plate.
- This plate 10 also includes a central rib 16 on the surface of its interior wall, which defines a projection to generate a separation on the surface of the interior wall of the plate 10 in order to define a "U" circuit between the inlets 14 and outlet 15 of fluid.
- this plate 10 comprises a plurality of protuberances 17 placed in the fluid circulation passage on its inner wall, which are intended to disturb the fluid circulation.
- This plate 10 has longitudinal edges 18 of dimension just smaller than that of the upper and lower faces of the housing and transverse edges 13 of dimension equal or substantially equal to that of the side walls of the housing of the exchanger (not shown).
- This plate 10 also comprises four corners 19, only one being represented on the Fig. 3 to 5 .
- Each corner 19 defines an edge surrounding part of said ribs 14.
- the first transverse edge 13 of the plate 10, receiving the fluid inlet and outlet, comprises a continuous flange for its assembly to a housing wall while the two corners 19 of the transverse edge opposite to this first edge 13, each comprise a part 20 fuse.
- the first transverse edge 13 of the plate 10 makes it possible to guarantee sealing at the fluid inlet and outlet.
- Each fuse piece 20 here comprises a curved leg 21 having an assembly surface 22, and a predetermined weakening zone 23 connecting this curved leg 21 to the corresponding corner 19 of the plate 10 so as to allow the separation of this curved leg 21 from the corresponding corner 19.
- This predetermined zone 23 of weakening is here obtained by cutting out part of the side edges of the body of the fuse part 20, these notches making it possible to generate an incipient fracture.
- These notches are here rectangular or substantially rectangular.
- the depth of the notches is determined so that the separation is achieved after a few thermal cycles of expansion/contraction of this plate 10.
- the longest side of this notch has a dimension less than or equal to 1 mm and its short side has a dimension less than or equal to 0.5 mm.
- the plate 10 for the heat exchanger is separated at its sides comprising the fuse parts.
- FIGS. 6 and 7 illustrate the assembly of a plate 10 as described previously, with another plate 24 to define a pair of plates defining between them a passage for the flow of a fluid.
- the side of this pair of plates 10, 24 thus represented, comprises at each of its opposite corners 19, two pieces 20, 25 fuses.
- the two pieces 20, 25 fuses of each corner 19 of the pair each belong to a different plate 10, 24 and are offset relative to each other while being in the extension of one another.
- FIG. 8 is a perspective view of a plate 30 for a heat exchanger according to a second embodiment of the invention.
- This plate 30 comprises a fluid inlet 31 and a fluid outlet 32, each of the fluid inlets and outlets having a collar and an oblong shape.
- the plate 30 having a length (L) and a width (h), these fluid inlets and outlets 31, 32 are placed along the length (L) at a distance from the side edges of the plate corresponding to L/2, or substantially L/2.
- Protuberances 33 make it possible to disturb the circulation of the fluid while ribs 34 give the fluid flow passages a sinuous path having half-turns between the fluid inlets and outlets 31, 32.
- This plate 30 comprises fuse parts 35-38 on both sides thereof extending in a transverse direction.
- This plate 40 has a fluid inlet 41 and a fluid outlet 42 placed on the same side of the plate, this side 43 extending in a transverse direction.
- Each of these fluid inlets 41 and outlets 42 has a collar and an oblong shape.
- This plate 40 has a fusible part 44 in each corner 45 of its side opposite to that 43 extending in a transverse direction where the fluid inlet and outlet are located.
- This side 43 extending in a transverse direction comprises a continuous rim intended to be brazed to a casing wall.
- the side 43 can alternatively receive fuse parts 44.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2018/051609 WO2019145022A1 (fr) | 2018-01-23 | 2018-01-23 | Plaque pour échangeur de chaleur et échangeur de chaleur comprenant une telle plaque |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3743667A1 EP3743667A1 (fr) | 2020-12-02 |
EP3743667B1 true EP3743667B1 (fr) | 2023-08-16 |
Family
ID=61557222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18708332.4A Active EP3743667B1 (fr) | 2018-01-23 | 2018-01-23 | Plaque pour échangeur de chaleur et échangeur de chaleur comprenant une telle plaque |
Country Status (4)
Country | Link |
---|---|
US (1) | US12013189B2 (zh) |
EP (1) | EP3743667B1 (zh) |
CN (1) | CN111886470B (zh) |
WO (1) | WO2019145022A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018004979U1 (de) * | 2018-10-25 | 2020-01-28 | Reinz-Dichtungs-Gmbh | Plattenartiger Flüssigkeitsbehälter und Batterietemperieranordnung |
DE102018221487A1 (de) * | 2018-12-12 | 2020-06-18 | Mahle International Gmbh | Wärmeübertrager für ein Kraftfahrzeug und zugehöriges Herstellungsverfahren |
EP4023990A1 (en) * | 2020-12-30 | 2022-07-06 | Valeo Autosystemy SP. Z.O.O. | A tube for a heat exchanger |
EP4023991A1 (en) * | 2020-12-30 | 2022-07-06 | Valeo Autosystemy SP. Z.O.O. | A tube for a heat exchanger |
EP4023998A1 (en) * | 2020-12-30 | 2022-07-06 | Valeo Autosystemy SP. Z.O.O. | A tube for a heat exchanger |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4253520A (en) * | 1978-10-26 | 1981-03-03 | The Garrett Corporation | Heat exchanger construction |
JP3041753B2 (ja) | 1994-02-16 | 2000-05-15 | 株式会社日立製作所 | プレート式熱交換器 |
GB2303437A (en) | 1995-06-12 | 1997-02-19 | Ford Motor Co | Stress relief in heat exchangers |
US6412547B1 (en) * | 2000-10-04 | 2002-07-02 | Modine Manufacturing Company | Heat exchanger and method of making the same |
AU2003227571A1 (en) * | 2002-04-09 | 2003-10-20 | Behr Gmbh And Co. | Heat transfer unit, especially for a motor vehicle |
US7059050B2 (en) * | 2004-01-08 | 2006-06-13 | Delphi Technologies, Inc. | One piece integral reinforcement with angled end caps to facilitate assembly to core |
US7621317B2 (en) | 2006-05-11 | 2009-11-24 | Modine Manufacturing Company | Self-breaking radiator side plates |
FR2980837B1 (fr) * | 2011-10-04 | 2015-06-26 | Valeo Systemes Thermiques | Echangeur de chaleur a plaques empilees. |
FR2992715B1 (fr) | 2012-06-27 | 2018-09-14 | Valeo Systemes Thermiques | Echangeur de chaleur, notamment refroidisseur d'air de suralimentation de moteur de vehicule automobile |
EP2708840A1 (de) | 2012-09-18 | 2014-03-19 | Linde Aktiengesellschaft | Plattenwärmetauscher mit einem insbesondere T-förmigen Verbindungselement |
US9038610B2 (en) * | 2013-02-18 | 2015-05-26 | Modine Manufacturing Company | Charge air cooler, and intake manifold including the same |
JP5953323B2 (ja) * | 2014-02-14 | 2016-07-20 | 株式会社ティラド | 熱交換器 |
US10429133B2 (en) * | 2016-08-04 | 2019-10-01 | Hanon Systems | Heat exchanger element with thermal expansion feature |
DE102017206113A1 (de) * | 2017-04-10 | 2018-10-11 | Mahle International Gmbh | Wärmeübertrager für ein Kraftfahrzeug |
CN206626984U (zh) | 2017-04-18 | 2017-11-10 | 富奥汽车零部件股份有限公司 | 一种包含加强片的散热器 |
US11137210B2 (en) * | 2019-08-07 | 2021-10-05 | Denso International America, Inc. | Heat exchanger |
-
2018
- 2018-01-23 EP EP18708332.4A patent/EP3743667B1/fr active Active
- 2018-01-23 WO PCT/EP2018/051609 patent/WO2019145022A1/fr unknown
- 2018-01-23 US US16/964,002 patent/US12013189B2/en active Active
- 2018-01-23 CN CN201880091372.6A patent/CN111886470B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3743667A1 (fr) | 2020-12-02 |
WO2019145022A1 (fr) | 2019-08-01 |
US20210071961A1 (en) | 2021-03-11 |
US12013189B2 (en) | 2024-06-18 |
CN111886470A (zh) | 2020-11-03 |
CN111886470B (zh) | 2022-06-28 |
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