EP2138793A2 - Echangeur thermique à empilement de plaques pour un véhicule automobile - Google Patents

Echangeur thermique à empilement de plaques pour un véhicule automobile Download PDF

Info

Publication number: EP2138793A2
Authority: EP; European Patent Office
Prior art keywords: plate; heat exchanger; cover plate; stacked; exchanger according
Prior art date: 2008-06-26
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

Application number

EP20090007532

Other languages

German (de)

English (en)

Other versions

EP2138793B1 (fr

EP2138793A3 (fr

Inventor

Karsten Emrich

Malte Schwarz

Tanja Weber

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mahle Behr GmbH and Co KG

Original Assignee

Behr GmbH and Co KG

Priority date (The priority date 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 date listed.)

2008-06-26

Filing date

2009-06-08

Publication date

2009-12-30

2009-06-08 Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG

2009-12-30 Publication of EP2138793A2 publication Critical patent/EP2138793A2/fr

2013-08-21 Publication of EP2138793A3 publication Critical patent/EP2138793A3/fr

2015-08-12 Application granted granted Critical

2015-08-12 Publication of EP2138793B1 publication Critical patent/EP2138793B1/fr

Status Not-in-force legal-status Critical Current

2029-06-08 Anticipated expiration legal-status Critical

Links

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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
- 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
- F28D9/0043—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 the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—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 the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both 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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- 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
- F28F2225/00—Reinforcing means
- F28F2225/02—Reinforcing means for casings

Definitions

the invention relates to a stacked plate heat exchanger for a motor vehicle according to the preamble of claim 1.
US 6,843,311 describes a stacked plate heat exchanger in which a formed of openings of stacked exchanger disks main channel is closed by a first cover plate on which a second, thinner cover plate is soldered from the outside, which is fluid-tight soldered to the outer edge of an uppermost exchanger plate.
stacked plate heat exchangers are known, for example, as oil coolers for an internal combustion engine of a motor vehicle, in which only a single outer cover plate is provided, by means of both an oil leading main channel and a cooling water leading flow path between outer exchanger plate and cover plate is sealed by soldering fluid-tight.
this can make the cover plate sufficiently thin even at high fluid pressures to be easily provided with complex shapes, for example, a curved edge for connection to the top exchanger plate and / or a fluid connection and / or beads or grooves for influencing a fluid flow.
the arrangement of the reinforcing plate in the region of the main channel is a particularly advantageous embodiment, since, for example, in the case of large and also oscillating fluid pressures, the cover plate is exposed to a particularly high load on the main channel of the fluid. In the case of oscillations or repeated pressure surges, this load can lead to a reduced lifetime of surrounding soldered joints.
oscillations and / or pressure surges may be generated, for example, by multi-chamber oil pumps in an engine oil circuit.
the heat exchanger plates, the cover plate and the reinforcing plate are soldered together in a common process step in a brazing furnace in the interest of cost-effective mass production.
the reinforcing plate consists of at least two separate, mutually arranged sheets.
a massive reinforcing plate made of thin, soldered sheet metal parts can be produced in a simple manner, and depending on the design also an absorption of vibration energy can be favored.
the reinforcing plate has advantageously at least about a thickness of the cover plate and in a particularly preferred detailed design at least about twice the thickness of the cover plate.
a projecting into the main channel bulge is provided in the cover, whereby already a first support against the fluid pressure is achieved.
the reinforcing plate it is particularly preferable to form a shape which overlaps the bulge of the cover plate and which is soldered to the bulge of the cover plate, in particular in at least one edge region, so that the bulge experiences a particularly great reinforcement.
a defined air gap between the cover plate and the reinforcing plate can also remain in the area of the bulge. In this way, the cover plate and the reinforcing plate in this local area form a stiff elastic system, by means of which pressure peaks of the fluid can be effectively damped, without damaging the solder joints in continuous operation.
beads may be formed in particular in the region of the main channel for further mechanical reinforcement in at least one of the two, cover plate or reinforcing plate.
a base plate is applied from the outside to a stack of exchanger plates down final cover plate, wherein on the base plate a material-consistent extension is provided with a mounting hole for fixing the heat exchanger to a structure.
no mounting hole is arranged in the immediate vicinity of a radius region of the lower cover plate or the base plate.
a radius region is to be understood as meaning a region with a curved course of the edge, that is, for example, a rounded one Corner region in a heat exchanger with a substantially rectangular cross-section.
At least one connection for the supply or discharge of a heat-conducting fluid is formed on the cover plate.
Such a complex shape usually requires a correspondingly thin plate thickness of the cover plate, which is why the provision of the outer reinforcing plate is particularly advantageous.
An advantageous detail of the invention with the aim of a simplified assembly is that in the reinforcing plate at least one recess for positioning a removable clip member and / or pressure piece is provided, wherein the clamp member is a kraftbeaufschlagten holder of the heat exchanger during a soldering.
the heat exchanger is designed as an oil cooler of a motor vehicle, so that the fluid is engine oil of a lubrication circuit of an internal combustion engine.
the other heat-conducting fluid is usually coolant of a cooling circuit of the engine.
the stacked plate heat exchanger after Fig. 1 comprises a stack of exchanger plates 1 made of aluminum, each about 0.4 mm thick, between each of which flow channels for two separate fluids, in this case engine oil and cooling water, are provided.
the exchanger disks 1 each have an outer peripheral edge which is bent obliquely upwards for all disks in the same direction, so that when the disks are stacked, the bent-up edges abut each other circumferentially.
Fig. 6 shows an exploded view of the entire heat exchanger, in which only the bottom two and the top of the exchanger disks 1 are shown for reasons of clarity.
a total of 43 exchanger disks 1 are stacked.
the exchanger disks 1 are in the present example, but not necessary, identical parts, which are alternately rotated by 180 ° to each other.
the fluids are supplied and removed via a total of four ports, of which a connection for the cooling water and both ports for the engine oil are provided on an underside of the heat exchanger, not shown.
the other connection 2 for the cooling water is on top according to plan view Fig. 3 arranged.
the exchanger disks 1 each have apertures which are aligned with one another and are soldered in pairs to each other at borders.
main channels 3 are formed via the stack or height direction of the heat exchanger, via which the oil and the cooling water first flow in on the inlet side, then distributed to the flow paths between the exchanger plates 1 and then collected on the outlet side.
the main channels have an approximately oval cross section with large and small diameters of 20 mm and 13 mm.
the outer circumference of the stack of exchanger disks 1 has the shape of a strongly rounded rectangle with the dimensions 140 mm X 70 mm.
the main channels 3 are closed at their opposite end of each terminal by a stack of exchanger plates 1 upwards final cover plate 4 made of aluminum, which has a thickness of about 2 mm.
Fig. 1 the upper cover plate 4 of the heat exchanger is shown, which closes the two oil-carrying main channels 3.
the cover plate 4 In the region of the main channels 3, the cover plate 4 has dome-like bulges 4b, which protrude into the main channels 3 and thus form a mechanical stiffening against oil pressure.
the cover plate 4 is fixed in a fluid-tight manner via closed circumferential solder joints 4 a around the edges of the main channels 3 as well as an upwardly bent outer edge on an adjoining outer edge of the uppermost exchanger plate 1 so that a complete sealing of the outer space with respect to the fluids of the heat exchanger takes place through the cover plate 4 ,
a reinforcing plate 5 is soldered to the surface of the mechanical reinforcement from the outside.
the reinforcing plate 5 has a thickness of about 4 mm and is thus about twice as thick as the cover plate 4.
the reinforcing plate 5 is in the present example completely within the upwardly bent, outer peripheral edge of the cover plate 4th
the reinforcing plate 5 has (see Fig. 2 ) in a corner or radius area a recess 5a, which the area of the attached to the cover plate water connection 2 (see Fig. 3 ) corresponds.
the reinforcing plate 5 In overlapping with the bulges 4b of the cover plate 4, the reinforcing plate 5 also has formations 5b, which protrude into the bulges 4b and are soldered flat along an edge 5c with the bulges 4b. In the central recessed area remains between the Bumps 4b and the formations 5b an air gap 6, through which the bulges 4b and the formations 5b can work against each other in the case of pressure peaks or pressure oscillations.
five circular openings 5d are provided in the reinforcing plate 5, to which a retaining clip is applied for the common soldering of the components of the heat exchanger.
the retaining clip which is formed in particular as a pressure plate or by gravity acting on the stack compressing the pressure piece holds the mechanically pre-assembled stack in the stacking direction with force, in order to transfer it into a soldering furnace.
the stack On the underside of the stack of exchanger disks 1 opposite the upper cover plate 4, the stack is closed in a fluid-tight manner by a lower cover plate 10 (see FIG Fig. 6 ), in which there are two connection openings 10a, 10b for the supply and discharge of the engine oil and the other water supply and 10c.
a base plate 11 On the lower cover plate 10, a base plate 11 is placed from the outside and soldered flat, in which the connection openings 10a, 10b, 10c of the lower cover plate are reshaped as openings.
the lower cover plate is formed thicker than the individual exchanger discs, namely 1.5 mm.
the base plate has a material thickness of 6 mm.
the base plate 11 has extensions 7, with which it protrudes laterally beyond the outline of the exchanger disk stack (see Fig. 3 ).
perforations 8 such as holes or threaded holes, provided to secure the heat exchanger or oil cooler to a support structure such as a chassis or an engine block.
no mounting means in the immediate vicinity of the rounded corners or radius areas 9 of the lower cover plate 10 and the stack of exchanger disks 1 are provided to avoid cracks during assembly or subsequent pressurization during operation.
each of the sheets 5e, 5f has a thickness of about 2 mm, so that a total thickness of about 4 mm of the reinforcing plate is also achieved.
the formations 5b and the apertures are provided in both sheets 5e, 5f.
Such an embodiment is also advantageous in that the forming steps, which may be complicated and require a high degree of dimensional accuracy, can be performed better on a plurality of thin sheets 5e, 5f than on a single thick sheet metal part.
Fig. 4 two arrows are schematically drawn, of which the lower represents the course of the oil flow and thus the local load by the oil pressure.
the upper arrow points to the main channel edge region of the cover plate, which is reinforced by the soldering of the reinforcing plate 5, in particular along the edge 5c.

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)
Lubrication Of Internal Combustion Engines (AREA)

EP09007532.6A 2008-06-26 2009-06-08 Echangeur thermique à empilement de plaques pour un véhicule automobile Not-in-force EP2138793B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE200810029959 DE102008029959A1 (de)	2008-06-26	2008-06-26	Stapelscheiben-Wärmetauscher für ein Kraftfahrzeug

Publications (3)

Publication Number	Publication Date
EP2138793A2 true EP2138793A2 (fr)	2009-12-30
EP2138793A3 EP2138793A3 (fr)	2013-08-21
EP2138793B1 EP2138793B1 (fr)	2015-08-12

Family

ID=41134701

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09007532.6A Not-in-force EP2138793B1 (fr)	2008-06-26	2009-06-08	Echangeur thermique à empilement de plaques pour un véhicule automobile

Country Status (2)

Country	Link
EP (1)	EP2138793B1 (fr)
DE (1)	DE102008029959A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2466241A1 (fr) *	2010-12-15	2012-06-20	Mahle International GmbH	Echangeur thermique, en particulier échangeur de chaleur d'huile-eau, avec plaque d'attachement reinforcée
JP2014085044A (ja) *	2012-10-23	2014-05-12	Hisaka Works Ltd	プレート式熱交換器
CN112935739A (zh) *	2021-03-31	2021-06-11	李炯添	一种热水器的热交换器盖板制造方法
FR3134883A1 (fr) *	2022-04-22	2023-10-27	Valeo Systemes Thermiques	Support pour module de gestion des fluides pour un véhicule notamment automobile et module de gestion des fluides comportant un tel support
FR3134884A1 (fr) *	2022-04-22	2023-10-27	Valeo Systemes Thermiques	Support pour module de gestion des fluides pour un véhicule notamment automobile et module de gestion des fluides comportant un tel support
CN117147344A (zh) *	2023-10-31	2023-12-01	宁德时代新能源科技股份有限公司	电池包换热板疲劳测试设备
US20240011725A1 (en) *	2021-01-13	2024-01-11	Hanon Systems	Plate-type heat exchanger having bracket-reinforcing structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102009030095A1 (de) *	2009-06-22	2010-12-23	Behr Gmbh & Co. Kg	Stapelscheibenkühler
DE102010001828A1 (de) *	2010-02-11	2011-08-11	Behr GmbH & Co. KG, 70469	Stapelanordnung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6843311B2 (en)	2002-04-24	2005-01-18	Dana Canada Corporation	Inverted lid sealing plate for heat exchanger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4708199A (en) *	1985-02-28	1987-11-24	Kabushiki Kaisha Tsuchiya Seisakusho	Heat exchanger
US5099912A (en) *	1990-07-30	1992-03-31	Calsonic Corporation	Housingless oil cooler
DE4314808C2 (de) *	1993-05-05	2003-10-30	Behr Gmbh & Co	Plattenwärmetauscher, insbesondere Öl/Kühlmittel-Kühler
DE4403144C3 (de) *	1994-02-02	2002-05-29	Laengerer & Reich Gmbh & Co	Plattenwärmeaustauscher
JP3212005B2 (ja) *	1994-04-18	2001-09-25	カルソニックカンセイ株式会社	ハウジングレス式オイルクーラ
JP4077610B2 (ja) *	2001-03-16	2008-04-16	カルソニックカンセイ株式会社	ハウジングレス式オイルクーラ
DE10349141A1 (de) *	2003-10-17	2005-05-12	Behr Gmbh & Co Kg	Stapelscheibenwärmeübertrager, insbesondere Ölkühler für Kraftfahrzeuge
DE102006022445A1 (de) *	2006-05-13	2007-11-15	Modine Manufacturing Co., Racine	Wärmetauscher, insbesondere Ölkühler

2008
- 2008-06-26 DE DE200810029959 patent/DE102008029959A1/de not_active Ceased
2009
- 2009-06-08 EP EP09007532.6A patent/EP2138793B1/fr not_active Not-in-force

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6843311B2 (en)	2002-04-24	2005-01-18	Dana Canada Corporation	Inverted lid sealing plate for heat exchanger

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2466241A1 (fr) *	2010-12-15	2012-06-20	Mahle International GmbH	Echangeur thermique, en particulier échangeur de chaleur d'huile-eau, avec plaque d'attachement reinforcée
JP2014085044A (ja) *	2012-10-23	2014-05-12	Hisaka Works Ltd	プレート式熱交換器
US20240011725A1 (en) *	2021-01-13	2024-01-11	Hanon Systems	Plate-type heat exchanger having bracket-reinforcing structure
US12352512B2 (en) *	2021-01-13	2025-07-08	Hanon Systems	Plate-type heat exchanger having bracket-reinforcing structure
CN112935739A (zh) *	2021-03-31	2021-06-11	李炯添	一种热水器的热交换器盖板制造方法
FR3134883A1 (fr) *	2022-04-22	2023-10-27	Valeo Systemes Thermiques	Support pour module de gestion des fluides pour un véhicule notamment automobile et module de gestion des fluides comportant un tel support
FR3134884A1 (fr) *	2022-04-22	2023-10-27	Valeo Systemes Thermiques	Support pour module de gestion des fluides pour un véhicule notamment automobile et module de gestion des fluides comportant un tel support
CN117147344A (zh) *	2023-10-31	2023-12-01	宁德时代新能源科技股份有限公司	电池包换热板疲劳测试设备
CN117147344B (zh) *	2023-10-31	2024-03-29	宁德时代新能源科技股份有限公司	电池包换热板疲劳测试设备

Also Published As

Publication number	Publication date
DE102008029959A1 (de)	2009-12-31
EP2138793B1 (fr)	2015-08-12
EP2138793A3 (fr)	2013-08-21

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