• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Stacking plate for a stacked plate heat exchanger and a stacked plate heat exchanger The stacking plate comprises: - a substantially flat base (2a) extending along a main plane, where first (7) and second (8) passage openings are arranged for the passage of a first medium and a second medium, respectively, and - a raised edge (2b) projecting outwardly from the contour of said substantially flat base (2a), surrounding it continuously. First (2b1) and second (2b2) portions of the raised edge (2b) project outward from the base contour (2a) according to a first (α) and a second (μ) different side angles between yes. The exchanger comprises a plurality of stacking plates (1) according to the invention, stacked and fixed one on top of the other alternately.
    公开号:ES2664103A1
    申请号:ES201631339
    申请日:2016-10-17
    公开日:2018-04-18
    发明作者:Jose Antonio De La Fuente Romero；Eva Tomas Herrero；Roberto FERNÁNDEZ MARTÍNEZ；Teresa CONTE OLIVEROS
    申请人:Valeo Termico SA；
    IPC主号:
    专利说明:

    STACKING PLATE FOR A STACKED PLATE HEAT EXCHANGER AND A STACKED PLATE HEAT EXCHANGER
    5 Technical sector
    The present invention concerns, in a first aspect, a stacking plate for a stacked plate heat exchanger, which is configured such that stacking and coupling to another stacking plate minimizes or eliminates interference problems between them.
    A second aspect of the present invention concerns a stacked plate heat exchanger comprising a plurality of stacking plates according to the first aspect of the invention.
    The invention is especially applied in heat exchangers (cooling or heating) of motor vehicles, in particular in TOC applications
    15 (“Transmission Oil Cooler”: Transmission oil cooler) and EOC (“Engine Oil Cooler”: Engine oil cooler).
    Prior art
    The current configuration of the existing oil coolers on the market is
    20 corresponds to that of a metal heat exchanger generally made of stainless steel or aluminum. Most of the components of an oil cooler are metallic and are assembled by mechanical means and then joined by welding
    or brazing to ensure the appropriate level of leaks required for the application.
    The main function of the oil cooler is the exchange of heat between two fluids, the
    25 refrigerant and oil. In addition, it must fulfill other functions such as having a low fluid pressure drop, withstanding the working conditions of the fluid, withstanding the environmental conditions, providing connection to the oil and coolant circuits, etc.
    Market demands are increasing in terms of requiring more efficient and compact refrigerators, which must be able to work under more demanding conditions
    30 (for example, higher oil pressure and higher temperature).


    In general, an oil cooler is formed by a set of plates that are stacked alternately in order to allow circulation and avoid contact between the fluids, closing both circuits, the refrigerant circulation and the oil circulation. For its construction, once the plates are stacked, a vertical force is applied to compact the device and compensate for the lack of real contact. The circuits constituted by the spaces between the plates have to be completely closed both inside the refrigerator, that is to say in the areas surrounding the passage openings defined in the plates, and laterally, that is to say in the outer perimeter of the plates . In the lateral area, that is to say in the outer perimeter, the way to solve this problem is by means of raised edges projecting outwards from the contour of a substantially flat base of the plate with a certain inclination in order to fit and snap together those of each plate in those of the plate on which it is stacked. Therefore, the plate has a combination between the longitudinal dimension, its height dimension (i.e. that of its raised edges) and the angle of the raised edges thereof, which allow the assembly to be adjusted. Consequently, as this ensures that the surfaces of the plates are in contact, they can be welded.
    Obviously, the design and manufacture of the refrigerator components require a range of tolerances throughout their different dimensions. On the other hand, however, the distances or clearances between the components must be within a small safety zone that allows the components to be welded. Therefore, the design of such components, especially stacking plates, must satisfy a compromise between said range of dimensional tolerances thereof and said distances or clearances.
    Although this problem is quite easy to solve in the raised edges that project from the straight segments of the contour of the substantially flat bases of the plates, there is a greater difficulty in the raised edges that project from the curved segments thereof because an interference Inadequate clearance in these areas has negative consequences during assembly. In addition, in the curved areas constituted by such raised edges of the curved segments, a uniform deformation is not allowed when fitting into those of the plate on which they are stacked, because they have great rigidity. Experience shows that friction in curved areas has a negative effect. Even those areas are marked due to friction when stacked together. This friction during assembly and when the assembly is compressed generates a deformation, and consequently, the deformation is translated into less rigid areas. In addition, this deformation is shown in real pieces that include visible clearances between the stacked plates, especially in the


    areas corresponding to the raised edges of the shorter straight segments of the stacking plates.
    Thus, this deformation generates a displacement of the straight areas that produces clearances between the plates and, consequently, leaks of fluid (coolant or oil) to the outside, which constitutes a technical problem that requires a solution.
    In US7717164B2 a stacked plate heat exchanger formed by stacking plates that meet the characteristics of the preamble of claim 1 of the present invention is described.
    Other patent documents representative of the state of the art for describing stacked plate heat exchangers are the documents: JP2006010192A, DE19828029A1 and EP1452816B1.
    In none of the aforementioned documents is a solution to the technical problem mentioned above proposed, that is to say the production of fluid leaks caused by deformation displacements between the stacked plates.
    Therefore, it is necessary to offer an alternative to the state of the art that covers the gaps found therein, providing a solution to the technical problem indicated above.
    Explanation of the invention.
    To this end, the present invention concerns, in a first aspect, a stacking plate for a stacked plate heat exchanger, comprising, in a manner known per se:
    - a substantially flat base that extends along a main plane, where first passage openings and second passage openings are arranged for the passage of a first means and a second means, respectively, and
    - a raised edge that projects outward from the contour of said substantially flat base, surrounding it continuously.
    Unlike the stacking plates known in the state of the art, in the one proposed by the first aspect of the present invention, characteristically, first and second portions of said raised edge project outwardly from the base contour substantially flat according to a first and second angles


    lateral with respect to said main plane, respectively, in which said first and second lateral angles are different from each other.
    In this way, by means of a suitable selection of such first and second angles depending on the application or final design of the exchanger for which the stacking plate is provided, the technical problem indicated above can be solved, since it is possible to provide the contact suitable between the different portions of the raised edges of the different plates that stack and fit together, optimizing the interference between them.
    According to an exemplary embodiment, said first portions project from straight segments of the substantially flat contour of the base while the second portions project from curved segments thereof.
    According to a preferred embodiment, the first lateral angle is smaller than the second lateral angle.
    For an exemplary embodiment for which the first portions project from straight segments of the contour of the base and the second portions from curved segments thereof, and the first lateral angle is smaller than the second, it is possible to minimize interference in curved areas when stacking and fitting together stacking plates designed according to the first aspect of the invention, being in said curved areas where adequate contact between faces of the raised edges is more difficult.
    That is, for the mentioned embodiment, by means of the first aspect of the present invention there is provided a stacking plate design with different lateral angles at the raised edges of the straight segments of the plate base contour with respect to to those of the curved segments, in order to compensate for the fact that their behavior is different when they fit together. This solution makes it possible to provide different assembly conditions between the different areas, that is, between the raised edges of the different segments of the base contour of the stacking plates, in order to solve or minimize interference problems between them.
    Thanks to this difference in the lateral angles, when during the assembly of the exchanger when stacking the stacking plates together, the raised edges that project from the straight segments of the contour of the bases of the stacked plates are in contact with each other, the Elevated edges corresponding to the curved segments are not yet a slack between them in order to avoid interference.


    Subsequently, during the assembly process, when applying a compression force in the stacking direction, the assembly is compacted and the raised edges corresponding to the straight segments slightly deform and, at the same time, those corresponding to the curved segments contact between yes and they are compressed vertically until adequate contact is achieved, thus avoiding unwanted deformation at the raised edges corresponding to the straight segments that occurred in the state of the art due to friction between the raised edges of the curved segments.
    According to an implementation of said preferred embodiment, the first lateral angle has a value that is between 8 ° and 10.5 ° while the second lateral angle has a value that is between 11 ° and 14 °. Obviously, other angle values other than those indicated are also covered by the present invention.
    For an exemplary embodiment, said curved segments form rounded corners of the substantially flat base and are interconnected by said straight segments.
    For an implementation of said embodiment, the substantially flat base has a rectangular shape, including four of said rounded corners and four of said straight segments that interconnect each pair of rounded corners.
    For other embodiments, the stacking plate of the first aspect of the invention comprises more than two portions of said raised edge projecting outwardly from the substantially flat base contour in accordance with more than two lateral angles with respect to the plane principal, respectively, in which the more than two lateral angles are different from each other.
    A second aspect of the present invention concerns a stacked plate heat exchanger, comprising a plurality of stacking plates according to the first aspect of the invention, including:
    - first stacking plates in which the first passage openings are arranged in the substantially flat base, while the second passage openings are arranged in raised annular formations; Y
    - second stacking plates in which the second passage openings are arranged in the substantially flat base, while the first passage openings are arranged in raised annular formations.
    In the heat exchanger proposed by the second aspect of the present invention, the first and second stacking plates are stacked and fixed on each other.


    alternately, with at least part of its raised edges snapped together.
    Brief description of the drawings
    The foregoing and other advantages and features will be more fully understood from the following detailed description of some embodiments with reference to the attached drawings, which should be taken by way of illustration and not limitation, in which:
    Figure 1 is a perspective view illustrating a plurality of stacking plates according to an embodiment of the first aspect of the invention, stacked with each other except for one of them, the upper one, which is arranged in a situation prior to fitting and stacking on the one located just below.
    Figure 2a is an elevational view of the stacking plate proposed by the first aspect of the invention, for an exemplary embodiment corresponding to the top plate of Figure 1.
    Figure 2b is a plan view of the stacking plate proposed by the first aspect of the invention, for the same embodiment of Figure 2a.
    Figure 3a is a partial view of a cross section of the stacking plate of Fig. 2b taken through a cutting plane indicated by the GG line, which includes the raised edge that projects from a curved segment of the contour of The base of the plate.
    Figure 3b is a partial view of a cross section of the stacking plate of Fig. 2b taken through a cutting plane indicated by the line EE, which includes the raised edge that projects from a straight segment of the contour of The base of the plate.
    Figure 4a is an elevational view showing portions of three stacking plates according to an embodiment of the first aspect of the present invention, stacked together in an initial mounting situation, including raised edges projecting from straight segments of the base contour thereof.
    Figure 4b is an elevational view showing other portions of the three stacking plates according to the same embodiment of Figure 4a, stacked together in the same initial mounting situation, where the portions include in this case the raised edges that project from curved segments around the base of the plates.


    Detailed description of some embodiments
    As can be seen in the attached Figures, especially in Figures 1, 2a and 2b, the stacking plate 1, 1a, 1b for a stacked plate heat exchanger proposed by the first aspect of the present invention comprises:
    - a substantially flat base 2a that extends along a main plane, where first passage openings 7 and second passage openings 8 are arranged for the passage of a first means and a second means, respectively, and
    - a raised edge 2b projecting outward from the contour of said substantially flat base 2a, surrounding it continuously.
    Figure 1 also illustrates part of the stacked plate heat exchanger proposed by the second aspect of the present invention, in particular a plurality of stacking plates 1 including:
    - first stacking plates 1a in which the first passage openings 7 are arranged in the substantially flat base 2a, while the second passage openings 8 are arranged in raised annular formations; Y
    - second stacking plates 1b in which the second passage openings 8 are arranged in the substantially flat base 2a, while the first passage openings 7 are arranged in raised annular formations.
    The first 1a and second 1b stacking plates are stacked and fixed on each other alternately, with their raised edges 2b snapped together.
    The rest of the elements (cooling fluid inlet / outlet ducts, lower support or base, upper plate or cover, etc.) of the heat exchanger of the second aspect of the present invention have not been illustrated as considered of the conventional type.
    As can be seen in Figures 1 and 2b, the raised edge includes first portions 2b1 projecting outwardly from curved segments of the substantially flat base contour 2a, in particular from four curved segments corresponding to four rounded corners of said contour , as well as second portions 2b2 projecting outwardly from straight segments of said contour of the substantially flat base 2a, in particular from four straight segments that interconnect each pair of said rounded corners.


    Figure 3b shows how the first portions 2b1 project outwardly from the curved segments of the substantially flat base contour 2a in accordance with a first lateral angle α with respect to said main plane, while Figure 3a is illustrated how the second portions 2b2 project outwardly from the curved segments of said contour according to a second lateral angle μ, the first α and the second μ being lateral angles different from each other, in particular the first α is smaller than the second μ , for the illustrated embodiment.
    In Figures 4a and 4b the effect achieved by the difference in the lateral angles α and μ can be seen, already explained in a previous section.
    In particular, in said Figures 4a and 4b an initial mounting position is illustrated in which three stacking plates according to the invention are stacked together but a vertical compression force has not yet been applied (or, if it has been applied, it is of a very small magnitude), so that while the raised edges 2b1 projecting from the straight segments of the contour of the bases 2a of the plates stacked with each other are in contact, as seen in Figure 4a, the raised edges 2b2 projecting from the curved segments of said contour are not yet, there being a gap between them in order to avoid interference, as shown in Figure 4b.
    As explained above, later, at a later stage of assembly (not illustrated), when applying a compression force in the stacking direction, the assembly will be compacted and the raised edges 2b1 will slightly deform and, at the same time , the raised edges 2b2 will contact each other and compress vertically until adequate contact is achieved, thus avoiding unwanted deformation at the raised edges 2b1 that occurred in the state of the art due to friction between the raised edges 2b2.
    The present inventors have performed experiments with stacking plates constructed, stacked and assembled together, and have resulted in no gaps between the plates or visible deformations between the raised edges thereof, neither before nor after welding between Yes by strong welding.
    Likewise, the present inventors have also performed computer numerical simulations of assembled assemblies of rectangular stacking plates designed according to the first aspect of the invention and of conventional rectangular stacking plates, obtaining as a result values, of Von Mises voltage levels, which are reduced by approximately 25% in the set of plates according to the present invention with respect to those of the conventional ones, in the areas subject to a higher tension, that is to say in the areas corresponding to the raised edges that project


    from the shorter straight segments of the contours of the stacking plate bases
    A person skilled in the art could introduce changes and modifications in the described embodiments without departing from the scope of the invention as defined in the appended claims.

    权利要求:
    Claims (7)
    [1]
    1. Stacking plate (1, 1a, 1b) for a stacked plate heat exchanger, comprising:
    - a substantially flat base (2a) that extends along a main plane, where first passage openings (7) and second passage openings (8) are arranged for the passage of a first means and a second means, respectively, and
    - a raised edge (2b) projecting outward from the contour of said substantially flat base (2a), surrounding it continuously,
    characterized in that first (2b1) and second (2b2) portions of said raised edge (2b) project outward from the substantially flat base contour (2a) according to a first (α) and a second (μ) angles lateral with respect to said main plane, respectively, in which said first (α) and second (μ) lateral angles are different from each other.
    [2]
    2. Stacking plate according to claim 1, wherein said first portions (2b1) project from straight segments of the substantially flat base contour (2a) while said second portions (2b2) project from about curved segments of it.
    [3]
    3. Stacking plate according to claim 2, wherein the first lateral angle (α) is smaller than the second lateral angle (μ).
    [4]
    4. Stacking plate according to claim 3, wherein the first lateral angle (α) has a value that is between 8 ° and 10.5 ° while the second lateral angle has a value that is between 11 ° and 14 °.
    [5]
    5. Stacking plate according to claim 2, 3 or 4, wherein said curved segments form rounded corners of the substantially flat base (2a) and are interconnected by said straight segments.
    [6]
    6. Stacking plate according to claim 5, wherein the substantially flat base (2a) has a rectangular shape, including four of said rounded corners and four of said straight segments that interconnect each pair of said rounded corners.
    [7]
    7. Stacked plate heat exchanger, comprising a plurality of stacking plates (1) according to any one of the preceding claims, including:

    - first stacking plates (1a) in which the first passage openings (7) are arranged in the substantially flat base (2a), while the second passage openings (8) are arranged in raised annular formations; Y
    - second stacking plates (1b) in which the second passage openings (8) are arranged in the substantially flat base (2a), while the first passage openings (7) are arranged in raised annular formations;
    wherein said first (1a) and second (1b) stacking plates are stacked and fixed on each other alternately, with at least part of their raised edges (2b) snapped together.


    13
    DRAWINGS

     Fig. 3a Fig. 3b 
    Fig. 4a Fig. 4b
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP0742418A2|1995-05-10|1996-11-13|Modine Längerer & Reich GmbH|Plate heat exchanger|
    US6182746B1|1997-11-14|2001-02-06|Behr Gmbh & Co.|Plate-type heat exchanger|
    US20050241814A1|2002-06-25|2005-11-03|Behr Gmbh & Co. Kg|Stacked panel-shaped heat transmitter|
    US20160123676A1|2014-10-30|2016-05-05|Rinnai Korea Co., Ltd.|Plate-connection type heat exchanger|
    FR2795166B1|1999-06-21|2001-09-07|Valeo Thermique Moteur Sa|PLATE HEAT EXCHANGER, PARTICULARLY FOR THE COOLING OF A MOTOR VEHICLE OIL|
    DE10349141A1|2003-10-17|2005-05-12|Behr Gmbh & Co Kg|Stacked plate heat exchangers, in particular oil coolers for motor vehicles|
    US20110024095A1|2009-07-30|2011-02-03|Mark Kozdras|Heat Exchanger with End Plate Providing Mounting Flange|
    DE102010028660A1|2010-05-06|2011-11-10|Behr Industry Gmbh & Co. Kg|Stacked plate heat exchanger|
    DE102010040321A1|2010-09-07|2012-04-19|Behr Gmbh & Co. Kg|Stacked disk for heat transducer, has plate shaped body, flat section, which is arranged in part of main surface of plate shaped body|
    CN202195728U|2011-08-03|2012-04-18|南京工业大学|Laminated plate fin-structure heat exchanger with medium equipartition devices|
    JP6154122B2|2012-12-12|2017-06-28|株式会社マーレ フィルターシステムズ|Multi-plate stacked heat exchanger|
    CN103471434B|2013-09-25|2017-12-01|缪志先|The box-like stacking heat exchanger of identical plate material sheet thickness difference plate spacing runner height|
    CN103486886B|2013-09-25|2018-02-27|缪志先|The box-like stacking heat exchanger of different plates thickness difference plate spacing runner height|
    DE102013220313A1|2013-10-08|2015-04-09|Behr Gmbh & Co. Kg|Stacked plate heat exchanger|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201631339A|ES2664103B1|2016-10-17|2016-10-17|STACKING PLATE FOR A HEAT EXCHANGER OF STACKED PLATES AND A HEAT EXCHANGER OF STACKED PLATES|ES201631339A| ES2664103B1|2016-10-17|2016-10-17|STACKING PLATE FOR A HEAT EXCHANGER OF STACKED PLATES AND A HEAT EXCHANGER OF STACKED PLATES|
    PCT/EP2017/076365| WO2018073180A1|2016-10-17|2017-10-16|Stacking plate for a stacked plate heat exchanger and a stacked plate heat exchanger|
    EP17784292.9A| EP3526535B1|2016-10-17|2017-10-16|Stacking plate for a stacked plate heat exchanger and a stacked plate heat exchanger|
    CN201780071214.XA| CN110418932B|2016-10-17|2017-10-16|Stacked plate for stacked plate heat exchanger and stacked plate heat exchanger|
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