EP2904344B1 - Frame comprising two finned plates and thermal heat exchanger comprising said frame - Google Patents
Frame comprising two finned plates and thermal heat exchanger comprising said frame Download PDFInfo
- Publication number
- EP2904344B1 EP2904344B1 EP12795493.1A EP12795493A EP2904344B1 EP 2904344 B1 EP2904344 B1 EP 2904344B1 EP 12795493 A EP12795493 A EP 12795493A EP 2904344 B1 EP2904344 B1 EP 2904344B1
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- EP
- European Patent Office
- Prior art keywords
- fins
- strips
- finned
- fin
- frame
- 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.)
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- 239000012530 fluid Substances 0.000 claims description 18
- 239000012809 cooling fluid Substances 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 description 14
- 230000002787 reinforcement Effects 0.000 description 5
- 238000005304 joining Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
- F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0366—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
-
- 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
- F28D9/0062—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 spaced plates with inserted 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
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
Definitions
- the present invention relates to the field of heat exchangers.
- It relates more particularly to a frame comprising two finned plates and a heat exchanger comprising such a frame.
- Thermal exchangers are now known constituted of a stack of heat exchange modules, each module 910 comprising a circulation cell 912 for a fluid to be cooled F1, in particular a liquid, and a circulation cell 914 for a fluid of cooling F2, for example a gas and in particular air, the two cells being thermally coupled to one another.
- a heat exchange module is illustrated on the figure 1 .
- the circulation cell for the fluid to be cooled comprises, to increase the heat exchange surface and increase the efficiency of exchanges with the cooling fluid, a plate 916 comprising a plurality of fins 918 substantially rectangular profile distributed in parallel strips contiguous to each other in a direction perpendicular to the direction of said strips.
- the present invention therefore aims at providing a heat exchanger whose thermal and energy performance are optimal, which requires the use of a reduced amount of materials for its manufacture and which, moreover, is inexpensive.
- the invention relates to a reinforcement, in particular adapted to be integrated in a heat exchanger, which reinforcement comprises two finned plates, each plate comprising a base and a plurality of heat exchange fins extending from said base, said fins being distributed over at least two strips of fins parallel to each other, said two neighboring strips of fins are separated, in a direction perpendicular to the direction of said strips of fins, by a flat strip devoid of fins, each fin has two distinct ends integral with the base, the base has openings between the respective ends of each fin, and the finned plates are nested so that the fins of the first finned plate fit into spaces defined by view of said flat strips of the second finned plate and are arranged head to tail relative to the fins adjacent portions of the second fin plate, two fin portions of the same orientation are aligned in a direction perpendicular to the fin strips and parallel to the bases of the finned plates, all K finned bands, K being a
- the lateral direction of a finned plate is defined as the direction in which the fin strips of this finned plate extend.
- the longitudinal direction of a finned plate is defined as the direction which is both perpendicular to said lateral direction and parallel to the plane of the base of the finned plate also called "base plane”.
- transverse direction of the finned plate is defined as the direction perpendicular to the base plane.
- a length relative to a finned plate or a portion of a fins is measured in the longitudinal direction, a width is measured in the lateral direction, and a thickness or height is measured in the transverse direction.
- a flat strip separating two adjacent strips of fins, in a direction perpendicular to the direction of said strips of fins is defined like a band without fins, extending in the plane of the base.
- such a flat strip has a width at least equal to that of a strip of fins.
- the widths of the different strips of fins of the same finned plate are indeed identical.
- each flat strip extends over the entire length of the fin strips.
- a finned plate as defined above may be formed in one piece or in several sections assembled or arranged one after the other.
- each fin has two distinct ends integral with the base, the fin portion defined between said ends being a single continuous piece not merged with said base. It will be understood that the lateral direction of a finned plate is generally parallel to the alignment direction of the two ends of the same fin.
- the base comprises openings between the respective ends of each fin.
- each heat exchange fin has at least one oblique portion relative to the base or a curved portion.
- each fin has at least one portion that is neither parallel nor perpendicular to the base plane of the fin plate.
- the fin has two oblique portions or curves inclined in opposite directions, extending from the base of the finned plate.
- Such a configuration gives the fin a certain elasticity or flexibility in the transverse direction of the finned plate. It has been demonstrated that such flexibility of the fins allows the use of a smaller amount of material than in the prior art, the plate used to make a finned plate according to the invention may have a low thickness. This provision therefore also has environmental and economic benefits.
- each fin has a trapezoidal profile devoid of right angle.
- Each side of the trapezoid can for example, to be inclined with respect to the base plane by an angle of between 20 ° and 70 °, and preferably equal to 45 °.
- This example is not, however, limiting, and the fins may have any other shape giving them a certain elasticity in the transverse direction, including partially or fully curved shapes.
- each fin has a plane of symmetry perpendicular to the lateral direction of the finned plate comprising said fin.
- two adjacent fins of two adjacent strips of fins are offset relative to each other in the direction of said strips of fins.
- two neighboring strips of fins are for example offset relative to each other in the direction of said bands (i.e. the lateral direction).
- two neighboring strips of fins are separated by a continuous flat strip extending over the entire length of said strips of fins.
- each flat band segment is associated and attached to a respective fin of an adjacent fin strip.
- the base is a metal plate in which the fins are made by stamping-cutting.
- the base is a metal plate in which the fins are made by cutting-folding. With this method, the thickness of the plate remains substantially constant.
- two adjacent strips of fins, respectively belonging to the two fin plates, are offset relative to each other in the direction of said strips of fins.
- two portions of fins of the same orientation are aligned in a direction perpendicular to the fin strips and parallel to the bases of the finned plates (ie in the direction longitudinal), all K fin bands, K being an integer greater than 2, preferably equal to 4.
- K corresponds to what will be called in the following the periodicity, that is to say the frequency of occurrence in the longitudinal direction Y.
- the offset will be considered in the lateral direction.
- the periodicity and the offset value of the fins encountered by the fluid flowing through the frame allows optimal heat exchange.
- the invention also relates to a heat exchanger comprising a stack of heat exchange modules, each module comprising a circulation cell for a fluid to be cooled and a circulation cell for a cooling fluid contiguous and thermally coupled. to one another, the circulation cell for the fluid to be cooled and / or the circulation cell for the cooling fluid comprising a reinforcement as defined above.
- each circulation cell housing an armature comprises at least two spacers each comprising a first support face and a second opposite parallel support face adapted to come into contact with the respective bases of the two. wing plates of said frame.
- the distance separating the two bearing faces of each spacer is less than the height of the heat exchange fins.
- FIG. 2 there is shown a heat exchanger 80 according to one embodiment of the invention, comprising a plurality of heat exchange modules 10 stacked in a transverse direction Z1.
- the stack is here surrounded by a frame 82 comprising two longitudinal sides 84a, 84b provided with fixing means 85, and two other sides 86a, 86b extending in the transverse direction Z1 and respectively defining an inlet manifold CE provided with at least one entry 88 and an outlet manifold CS provided with at least one outlet 90 for a fluid to be cooled.
- each heat exchange module 10 comprises a cell for the circulation of said fluid to be cooled (hereinafter also the first circulation cell) extending in the longitudinal direction Y1 of the heat exchanger 80 from the collector CE input to the CS output manifold.
- Each module 10 further comprises a cell for the circulation of a cooling fluid (hereinafter also second circulation cell), opening outwards at its two ends, opposite in the lateral direction of the exchanger.
- a cooling fluid hereinafter also second circulation cell
- each first circulation cell is delimited by a first and a second separation plate 70, 72, spaced apart by a first pair of spacers 60a, 60b.
- An armature 16 (see Figures 7A and 7B ) according to the present invention comes to garnish the interior space defined between these different elements.
- Each second circulation cell is delimited by a second pair of spacers 78 (only one is shown on the figure 3 ), and houses a block of blades 74.
- the various elements of the heat exchange module 10 can be fixed to each other by welding and / or brazing techniques known per se and not detailed here.
- heat exchanger of the example in question is not limiting of the present invention.
- an exchanger according to the invention may have any other suitable configuration.
- the fluid to be cooled and the cooling fluid can circulate along paths that are no longer perpendicular but parallel, in opposite directions or in the same direction.
- An armature 16 according to the invention intended, as indicated above, to be placed in a circulation cell of a heat exchange module, will now be described in more detail.
- Such an armature 16 consists of two similar plates 20 (hereinafter wing plates) nested one inside the other.
- a fin plate 20 has a base 22 of generally rectangular shape defined in a base plane PB.
- the lateral direction X of the finned plate 20 is defined for the following, in which extend its short sides 24a, 24b, its longitudinal direction Y, in which extend its long sides 26a, 26b, and finally its transverse direction. Z, normal to the basic plane PB. To simplify the representation, only a portion of the plate 20 is represented on the Figures 4 and 5 . As indicated by the dashed lines, the plate continues identically in the longitudinal direction Y.
- the longitudinal direction Y of a finned plate 20 included in this exchanger is parallel to the longitudinal direction Y1 of the exchanger 80.
- the lateral direction X of the finned plate 20 is parallel to the lateral direction X1 of the exchanger 80.
- the transverse direction Z of the finned plate is parallel to the transverse direction Z1 of the exchanger 80.
- the base 22 has a plurality of substantially rectangular openings 28 arranged in parallel rows oriented in the lateral direction X. Referring to FIG. figure 4 it is understood that each of these openings is overhung by a fin 30 extending from the base 22 in the transverse direction Z.
- Each fin 30 is here a continuous piece not confused with the base but connected thereto by two ends.
- the finned plate 20 comprises a plurality of corrugated strips or strips of fins 34, separated from each other by continuous flat base strips 32, here of the same width (measured in the longitudinal direction Y of the plate) and extending over all or substantially the entire width of the plate.
- all the fins 30 project from the same side of the fin plate, the opposite side remaining generally plane.
- Such a plate 20 is for example obtained by simultaneously punching and stamping a flat sheet.
- two adjacent fins 30 are separated from each other by a portion coinciding with the base 22 and said intermediate portion 36.
- the fins 30 have almost all the same isosceles trapezium profile.
- Each comprises a first oblique wall 42 and a second oblique wall 44 inclined in opposite direction to the first, connected via a junction portion 40 parallel to the base plane PB and spaced from said plane PB by a predetermined distance d1 corresponding to the total thickness of the fin plate 20.
- the oblique walls 42, 44 are both inclined at an angle z of 45 ° with respect to the base plane PB.
- the junction portion 40 here has the same length as the intermediate portion 36 above.
- two fins plates 120, 220 similar and in accordance with that described above are assembled to form a frame 16 of the type illustrated on the drawings.
- Figures 7A , 7B and 8 The elements already described with reference to the finned plate 20 include the same numerical references on the Figures 6 to 10 , possibly incremented by 100 or 200 according to that of the two fin plates 120, 220 which is in question.
- each fin of each band of wings of rank 2N is in particular aligned, in the longitudinal direction Y, with a fin of each other band of rank 2N.
- This offset, in the lateral direction X, between the rank 2N and rank 2N + 1 bands, is here equal to a quarter of the length L of a fin, measured in the same lateral direction X.
- the rank 2N strips comprise, in fact, a fin portion 50 in addition, at one of their ends. Each of these fin parts is folded towards the base plane according to a triangular profile 50, as illustrated in FIG. figure 4 . Of the figure 6 , it further emerges from said fin portion has a length equal to L / 2, ie half the length of a fin.
- two immediately adjacent wings of rank 2N and 2N + 1 are spaced, in the longitudinal direction Y, by a distance at least equal to the width of a strip of fins in this direction Y.
- the aforementioned configuration is such that two finned plates 120, 220 of the aforementioned type can be arranged head to tail to form a frame 16.
- first large side 126a of the first finned plate 120 is disposed opposite the second major side 226a of the second plate 220, and the second major side 126b of the first finned plate 120 is opposite the first major 226b side of the second plate 220 (see figure 3 ).
- the joining portions 140 of the fins 130 of the first finned plate 120 are opposite the flat strips 232 of the second finned plate 220, and vice versa.
- the fins of the 4N rank strips are aligned with each other in the longitudinal direction Y, as are the fins of the 4N + 1 rank strips offset relative to each other.
- the fins of the 4N rank strips of a distance L / 4 in the lateral direction X that the fins of the rank 4N + 2 strips offset with respect to the fins of the 4N rank strips by a distance L / 2
- fin branches of the same orientation appear in the longitudinal direction Y, with a periodicity of 4.
- two portions of fins of the same orientation are aligned in the longitudinal direction Y, all 4 strips of fins.
- D the distance separating two successive wing branches of the same orientation, in the longitudinal direction Y, is denoted by D, and D is here equal to 3 times the width of a strip of fins.
- a fluid F passing through the armature 16, in the longitudinal direction Y successively encounters (if we consider portions of the width of a band of fins) a fin, then nothing, nothing, nothing, a fin, nothing, nothing, nothing, a fin, etc.
- a sheet of fluid of the same cross section as a fin and flowing along F passes closer to the fins of rank 4N in this longitudinal direction Y.
- the periodicity of the fins inside the armature 16 may be different from 4, and in particular greater than 4.
- the offset value of the fins may also be chosen according to fluids concerned.
- each spacer 60a, 60b is in the form of an elongated element having a first opposite bearing face 63 and a second opposite support face 64, spaced from each other by a distance d3.
- These two bearing faces have a length L1 substantially equal to the length of the heat exchanger 80 in which the armature 16 must be integrated (see figure 2 ), and a width l2 sufficient to ensure good support of the bases of the first and second finned plate.
- the two bearing faces 63, 64 of a spacer 60a, 60b are connected by a V-shaped side, intended to be directed towards the inside of the fluid circulation cell.
- the faces 61, 62 forming the V-shaped profile are inclined relative to the bearing faces 63, 64 of the spacer by an angle equal to the angle of inclination z of the fin walls 42, 44, c '. that is to say here 45 °.
- the side 65 opposite the V-shaped profile extends perpendicularly to the two bearing faces 63, 64.
- each fin plate 20 has, at each of its lateral ends 126a, 126b, 226a, 226b an edge respectively 125a, 125b, 225a, 225b folded perpendicularly to the base 22 and of constant height over the entire width of the finned plate 20.
- each folded edge 125a, 125b, 225a, 225b is pressed against the side 65 of a spacer 60a, 60b.
- the height of the folded edges of each finned plate is chosen to be less than at least half the thickness d3 of the spacer, so that the respective edges of the two finned plates 120, 220 opposite do not overlap.
- the shape of the fins and in particular their oblique walls 42, 44 give them a relative elasticity, which makes it possible to reduce the dimensional constraints during assembly between the separating plates 70, 72.
- the oblique parts of the fins flex when the plates 70, 72 are brought closer to each other until they come into contact with the bearing faces of the struts.
- the figure 11 illustrates two finned plates 320, 420 according to this second embodiment, nested one inside the other of the same in the previous mode, and forming a reinforcement 116.
- the elements already described with reference to the finned plates 20, 120, 220 have the same reference numerals as on the Figures 6 to 10 , possibly incremented by 100 or 200 according to that of the two wing plates 320, 420 which is in question.
- Each vane plate 320, 420 is characterized in that two adjacent vane strips of the same plate are separated by a discontinuous flat strip 332, 432 formed by an alignment of flat segments 333, 433 alternated with openings 337, 437 As illustrated on the figure 11 , segments 333, 433 generally have a length L5 substantially equal to that L4 measured between two intermediate portions 336, 436 of a strip of fins.
- Such a finned plate 320, 420 is obtained by cutting a metal plate and then folding to obtain the fins. Unlike the previous embodiment, no stamping operation is necessary.
- the fins 430 of the second finned plate 420 are positioned facing the flat strips 332 of the first finned plate 320, the portion junction 440 of each fin 430 of the second plate 420 being placed between two band segments 333 of the first plate 320, in an opening 337.
- the fins 330 of the first finned plate 320 are positioned facing the flat strips 432 of the second finned plate 420, the joining portion 340 of each fin 330 of the first plate 320 being placed between two segments 433 of the second plate 420, in an opening 437.
- the separator plates 70, 72 are directly in contact with the spacers 60a, 60b.
- the intermediate portions 336, 436 and / or the joining portions 340, 440 may be attached to the connecting plates against which they respectively come into abutment, in particular by brazing or welding.
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- 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)
- Physical Or Chemical Processes And Apparatus (AREA)
Description
La présente invention concerne le domaine des échangeurs thermiques.The present invention relates to the field of heat exchangers.
Elle concerne plus particulièrement une armature comprenant deux plaques à ailettes et un échangeur thermique comprenant une telle armature.It relates more particularly to a frame comprising two finned plates and a heat exchanger comprising such a frame.
On connaît aujourd'hui des échangeurs thermiques constitués d'un empilement de modules d'échange thermique, chaque module 910 comprenant une cellule de circulation 912 pour un fluide à refroidir F1, notamment un liquide, et une cellule de circulation 914 pour un fluide de refroidissement F2, par exemple un gaz et notamment de l'air, les deux cellules étant thermiquement couplées l'une à l'autre. Un tel module d'échange thermique est illustré sur la
La cellule de circulation pour le fluide à refroidir comprend, pour accroître la surface d'échange thermique et augmenter l'efficacité des échanges avec le fluide de refroidissement, une plaque 916 comportant une pluralité d'ailettes 918 à profil sensiblement rectangulaire réparties en bandes parallèles accolées l'une à l'autre dans une direction perpendiculaire à la direction desdites bandes.The circulation cell for the fluid to be cooled comprises, to increase the heat exchange surface and increase the efficiency of exchanges with the cooling fluid, a
Une telle plaque à ailettes est loin d'apporter un rendement satisfaisant. Or, dans le cadre des préoccupations environnementales actuelles, il est nécessaire entre autres d'optimiser le rendement énergétique des appareils et notamment des échangeurs thermiques, sans augmenter ni leur coût, ni la quantité de matériaux utilisés pour leur fabrication.Such a finned plate is far from providing satisfactory performance. However, in the context of current environmental concerns, it is necessary, among other things, to optimize the energy efficiency of the apparatus and in particular the heat exchangers, without increasing either their cost or the quantity of materials used for their manufacture.
Les documents
La présente invention vise donc à proposer un échangeur thermique dont les performances thermiques et énergétiques sont optimales, qui nécessite l'utilisation d'une quantité réduite de matériaux pour sa fabrication et qui, par ailleurs, est peu onéreux.The present invention therefore aims at providing a heat exchanger whose thermal and energy performance are optimal, which requires the use of a reduced amount of materials for its manufacture and which, moreover, is inexpensive.
Selon un premier aspect, l'invention concerne une armature, notamment adaptée à être intégrée dans un échangeur thermique, laquelle armature comprend deux plaques à ailettes, chaque plaque comprenant une base et une pluralité d'ailettes d'échange thermique s'étendant depuis ladite base, lesdites ailettes étant réparties sur au moins deux bandes d'ailettes parallèles entre elles, lesdites deux bandes d'ailettes voisines sont séparées, dans une direction perpendiculaire à la direction desdites bandes d'ailettes, par une bande plate dépourvue d'ailettes, chaque ailette comporte deux extrémités distinctes solidaires de la base, la base comporte des ouvertures entre les extrémités respectives de chaque ailette, et les plaques à ailettes sont imbriquées de sorte que les ailettes de la première plaque à ailettes s'insèrent dans des espaces définis en regard desdites bandes plates de la seconde plaque à ailettes et sont disposées tête-bêche par rapport aux ailettes adjacentes de la seconde plaque à ailettes, deux portions d'ailettes de même orientation sont alignées dans uns direction perpendiculaire aux bandes d'ailettes et parallèle aux bases des plaques à ailettes, toutes les K bandes d'ailettes, K étant un nombre entier supérieur à 2.According to a first aspect, the invention relates to a reinforcement, in particular adapted to be integrated in a heat exchanger, which reinforcement comprises two finned plates, each plate comprising a base and a plurality of heat exchange fins extending from said base, said fins being distributed over at least two strips of fins parallel to each other, said two neighboring strips of fins are separated, in a direction perpendicular to the direction of said strips of fins, by a flat strip devoid of fins, each fin has two distinct ends integral with the base, the base has openings between the respective ends of each fin, and the finned plates are nested so that the fins of the first finned plate fit into spaces defined by view of said flat strips of the second finned plate and are arranged head to tail relative to the fins adjacent portions of the second fin plate, two fin portions of the same orientation are aligned in a direction perpendicular to the fin strips and parallel to the bases of the finned plates, all K finned bands, K being a whole number greater than 2.
Pour toute la présente demande, on définit la direction latérale d'une plaque à ailettes comme la direction dans laquelle s'étendent les bandes d'ailettes de cette plaque à ailettes.Throughout the present application, the lateral direction of a finned plate is defined as the direction in which the fin strips of this finned plate extend.
De la même manière, on définit la direction longitudinale d'une plaque à ailettes comme la direction qui est à la fois perpendiculaire à ladite direction latérale et parallèle au plan de la base de la plaque à ailettes aussi appelé « plan de base ».In the same way, the longitudinal direction of a finned plate is defined as the direction which is both perpendicular to said lateral direction and parallel to the plane of the base of the finned plate also called "base plane".
Enfin, on définit la direction transverse de la plaque à ailettes comme la direction perpendiculaire au plan de base.Finally, the transverse direction of the finned plate is defined as the direction perpendicular to the base plane.
Sauf indication contraire, dans toute la présente demande, une longueur relative à une plaque à ailettes ou une partie d'une plaque à ailettes est mesurée dans la direction longitudinale, une largeur est mesurée dans la direction latérale, et une épaisseur ou une hauteur est mesurée dans la direction transverse.Unless otherwise indicated, throughout the present application, a length relative to a finned plate or a portion of a fins is measured in the longitudinal direction, a width is measured in the lateral direction, and a thickness or height is measured in the transverse direction.
Dans une plaque à ailettes telle que définie précédemment, une bande plate séparant deux bandes d'ailettes voisines, dans une direction perpendiculaire à la direction desdites bandes d'ailettes, est définie comme une bande dépourvue d'ailettes, s'étendant dans le plan de la base.In a finned plate as defined above, a flat strip separating two adjacent strips of fins, in a direction perpendicular to the direction of said strips of fins, is defined like a band without fins, extending in the plane of the base.
Selon un exemple avantageux de l'invention, une telle bande plate présente une largeur au moins égale à celle d'une bande d'ailettes.According to an advantageous example of the invention, such a flat strip has a width at least equal to that of a strip of fins.
Généralement, les largeurs des différentes bandes d'ailettes d'une même plaque à ailettes sont, en effet, identiques.Generally, the widths of the different strips of fins of the same finned plate are indeed identical.
Généralement, en outre, chaque bande plate s'étend sur toute la longueur des bandes d'ailettes.Generally, in addition, each flat strip extends over the entire length of the fin strips.
Selon une disposition de l'invention, une plaque à ailettes telle que définie précédemment peut être formée d'une seule pièce ou en plusieurs tronçons assemblés ou disposés les uns à la suite des autres.According to one embodiment of the invention, a finned plate as defined above may be formed in one piece or in several sections assembled or arranged one after the other.
Selon l'invention, chaque ailette comporte deux extrémités distinctes solidaires de la base, la partie d'ailette définie entre lesdites extrémités étant une seule pièce continue non confondue avec ladite base. On comprend que la direction latérale d'une plaque à ailettes est généralement parallèle à la direction d'alignement des deux extrémités d'une même ailette.According to the invention, each fin has two distinct ends integral with the base, the fin portion defined between said ends being a single continuous piece not merged with said base. It will be understood that the lateral direction of a finned plate is generally parallel to the alignment direction of the two ends of the same fin.
Selon l'invention, la base comporte des ouvertures entre les extrémités respectives de chaque ailette.According to the invention, the base comprises openings between the respective ends of each fin.
Selon une disposition avantageuse de l'invention, chaque ailette d'échange thermique comporte au moins une partie oblique par rapport à la base ou une partie courbe. Autrement dit, chaque ailette comporte au moins une partie qui n'est ni parallèle ni perpendiculaire au plan de base de la plaque à ailettes.According to an advantageous arrangement of the invention, each heat exchange fin has at least one oblique portion relative to the base or a curved portion. In other words, each fin has at least one portion that is neither parallel nor perpendicular to the base plane of the fin plate.
De manière préférentielle, l'ailette présente deux parties obliques ou courbes inclinées dans des sens opposés, s'étendant depuis la base de la plaque à ailettes. Une telle configuration confère à l'ailette une certaine élasticité ou flexibilité dans la direction transverse de la plaque à ailettes. Il a été démontré qu'une telle flexibilité des ailettes permet l'utilisation d'une quantité de matière moindre que dans l'art antérieur, la plaque utilisée pour réaliser une plaque à ailettes selon l'invention pouvant présenter une épaisseur faible. Cette disposition présente donc également des avantages sur le plan environnemental et économique.Preferably, the fin has two oblique portions or curves inclined in opposite directions, extending from the base of the finned plate. Such a configuration gives the fin a certain elasticity or flexibility in the transverse direction of the finned plate. It has been demonstrated that such flexibility of the fins allows the use of a smaller amount of material than in the prior art, the plate used to make a finned plate according to the invention may have a low thickness. This provision therefore also has environmental and economic benefits.
Selon un exemple de réalisation, chaque ailette présente un profil trapézoïdal dépourvu d'angle droit. Chaque côté du trapèze peut par exemple être incliné par rapport au plan de base d'un angle compris entre 20° et 70°, et de préférence égal à 45°. Cet exemple n'est cependant pas limitatif, et les ailettes pourront présenter toute autre forme leur conférant une certaine élasticité dans la direction transverse, notamment des formes partiellement ou entièrement courbes.According to an exemplary embodiment, each fin has a trapezoidal profile devoid of right angle. Each side of the trapezoid can for example, to be inclined with respect to the base plane by an angle of between 20 ° and 70 °, and preferably equal to 45 °. This example is not, however, limiting, and the fins may have any other shape giving them a certain elasticity in the transverse direction, including partially or fully curved shapes.
De préférence, chaque ailette présente un plan de symétrie perpendiculaire à la direction latérale de la plaque à ailettes comprenant ladite ailette.Preferably, each fin has a plane of symmetry perpendicular to the lateral direction of the finned plate comprising said fin.
Avantageusement, deux ailettes adjacentes de deux bandes d'ailettes voisines sont décalées l'une par rapport à l'autre dans la direction desdites bandes d'ailettes. Pour cela, deux bandes d'ailettes voisines sont par exemple décalées l'une par rapport à l'autre dans la direction desdites bandes (i.e. la direction latérale).Advantageously, two adjacent fins of two adjacent strips of fins are offset relative to each other in the direction of said strips of fins. For this, two neighboring strips of fins are for example offset relative to each other in the direction of said bands (i.e. the lateral direction).
La valeur du décalage des ailettes que rencontre le fluide permet un échange thermique optimal.The value of the offset of the fins that meets the fluid allows optimal heat exchange.
Selon un premier exemple, deux bandes d'ailettes voisines sont séparées par une bande plate continue s'étendant sur toute la longueur desdites bandes d'ailettes.According to a first example, two neighboring strips of fins are separated by a continuous flat strip extending over the entire length of said strips of fins.
Selon un deuxième exemple, deux bandes d'ailettes voisines sont séparées par une bande plate discontinue formée d'une succession de segments entrecoupés d'ouvertures. De préférence, chaque segment de bande plate est associé et rattaché à une ailette respective d'une bande d'ailettes adjacente.In a second example, two neighboring strips of fins are separated by a discontinuous flat strip formed of a succession of segments interspersed with openings. Preferably, each flat band segment is associated and attached to a respective fin of an adjacent fin strip.
Selon le premier exemple, la base est une plaque métallique dans laquelle les ailettes sont réalisées par emboutissage-découpage.According to the first example, the base is a metal plate in which the fins are made by stamping-cutting.
Selon un deuxième exemple, la base est une plaque métallique dans laquelle les ailettes sont réalisées par découpage-pliage. Avec cette méthode, l'épaisseur de la plaque reste sensiblement constante.In a second example, the base is a metal plate in which the fins are made by cutting-folding. With this method, the thickness of the plate remains substantially constant.
Selon un exemple, dans l'armature selon l'invention, deux bandes d'ailettes adjacentes, appartenant respectivement aux deux plaques à ailettes, sont décalées l'une par rapport à l'autre dans la direction desdites bandes d'ailettes.According to one example, in the armature according to the invention, two adjacent strips of fins, respectively belonging to the two fin plates, are offset relative to each other in the direction of said strips of fins.
Selon l'invention, deux portions d'ailettes de même orientation sont alignées dans une direction perpendiculaire aux bandes d'ailettes et parallèle aux bases des plaques à ailettes (i.e. dans la direction longitudinale), toutes les K bandes d'ailettes, K étant un nombre entier supérieur à 2, de préférence égal à 4.According to the invention, two portions of fins of the same orientation are aligned in a direction perpendicular to the fin strips and parallel to the bases of the finned plates (ie in the direction longitudinal), all K fin bands, K being an integer greater than 2, preferably equal to 4.
K correspond à ce qui sera appelé dans la suite la périodicité, c'est-à-dire la fréquence d'apparition dans la direction longitudinale Y.K corresponds to what will be called in the following the periodicity, that is to say the frequency of occurrence in the longitudinal direction Y.
Dans la suite, sauf indication contraire, le décalage sera considéré dans la direction latérale.In the following, unless otherwise indicated, the offset will be considered in the lateral direction.
La périodicité et la valeur du décalage des ailettes que rencontre le fluide circulant à travers l'armature permet un échange thermique optimal.The periodicity and the offset value of the fins encountered by the fluid flowing through the frame allows optimal heat exchange.
Selon un troisième aspect, l'invention concerne également un échangeur thermique comprenant un empilement de modules d'échange thermique, chaque module comprenant une cellule de circulation pour un fluide à refroidir et une cellule de circulation pour un fluide de refroidissement accolées et thermiquement couplées l'une à l'autre, la cellule de circulation pour le fluide à refroidir et/ou la cellule de circulation pour le fluide de refroidissement comprenant une armature telle que définie ci-dessus.According to a third aspect, the invention also relates to a heat exchanger comprising a stack of heat exchange modules, each module comprising a circulation cell for a fluid to be cooled and a circulation cell for a cooling fluid contiguous and thermally coupled. to one another, the circulation cell for the fluid to be cooled and / or the circulation cell for the cooling fluid comprising a reinforcement as defined above.
Selon un exemple, pour assurer l'étanchéité, chaque cellule de circulation abritant une armature comprend au moins deux entretoises comportant chacune une première face d'appui et une deuxième face d'appui parallèles opposées adaptées à venir en contact avec les bases respectives des deux plaques à ailettes de ladite armature.According to one example, to ensure tightness, each circulation cell housing an armature comprises at least two spacers each comprising a first support face and a second opposite parallel support face adapted to come into contact with the respective bases of the two. wing plates of said frame.
Selon un exemple, la distance séparant les deux faces d'appui de chaque entretoise est inférieure à la hauteur des ailettes d'échange thermique. Lorsque l'armature est montée entre deux plaques séparatrices espacées l'une de l'autre par lesdites entretoises, les ailettes sont élastiquement déformées, du fait de leur relative flexibilité dans la direction transverse, de manière à assurer un contact permanent avec lesdites plaques séparatrices et donc un échange thermique efficace.According to an example, the distance separating the two bearing faces of each spacer is less than the height of the heat exchange fins. When the armature is mounted between two spacer plates spaced from each other by said spacers, the fins are elastically deformed, because of their relative flexibility in the transverse direction, so as to ensure permanent contact with said separator plates and therefore an effective heat exchange.
Plusieurs modes et exemples de mise en œuvre sont décrits dans le présent exposé. Toutefois, sauf précision contraire, les caractéristiques décrites en relation avec un mode ou exemple quelconque peuvent être appliquées à un autre mode ou exemple de mise en œuvre.Several modes and examples of implementation are described in this paper. However, unless otherwise specified, the features described in connection with any mode or example may be applied to another mode or example of implementation.
L'invention sera bien comprise et ses avantages apparaîtront mieux, à la lecture de la description détaillée qui suit, de plusieurs modes de réalisation représentés à titre d'exemples non limitatifs. La description se réfère aux dessins annexés sur lesquels :
- la
figure 1 illustre un module d'échange thermique de l'art antérieur, - la
figure 2 est une vue d'ensemble d'un échangeur thermique selon un mode de réalisation de l'invention, - la
figure 3 est une vue éclatée d'un module d'échange thermique contenu dans l'échangeur de lafigure 2 , - les
figures 4 et 5 sont des vues partielles en perspective d'une plaque à ailettes selon un premier mode de réalisation, respectivement de dessus et de dessous, - la
figure 6 illustre la plaque à ailettes desfigures 4 et 5 en vue de dessus, - les
figures 7A et7B montrent une armature selon le premier mode de réalisation de l'invention, en vue de face, - la
figure 8 montre plus en détail l'agencement des ailettes dans l'armature desfigures 7A et7B , - la
figure 9 illustre l'armature de lafigure 8 en vue de dessus, - la
figure 10 est une vue en coupe partielle de l'armature de lafigure 8 , - la
figure 11 montre une armature selon un deuxième mode de réalisation de l'invention, en perspective, - la
figure 12 montre l'armature de lafigure 11 , en vue de face.
- the
figure 1 illustrates a heat exchange module of the prior art, - the
figure 2 is an overview of a heat exchanger according to one embodiment of the invention, - the
figure 3 is an exploded view of a heat exchange module contained in the exchanger of thefigure 2 , - the
Figures 4 and 5 are partial perspective views of a fin plate according to a first embodiment, respectively from above and from below, - the
figure 6 illustrates the finned plate ofFigures 4 and 5 in top view, - the
Figures 7A and7B show a reinforcement according to the first embodiment of the invention, in front view, - the
figure 8 shows in more detail the arrangement of the fins in the frame of theFigures 7A and7B , - the
figure 9 illustrates the frame of thefigure 8 in top view, - the
figure 10 is a partial sectional view of the frame of thefigure 8 , - the
figure 11 shows an armature according to a second embodiment of the invention, in perspective, - the
figure 12 shows the frame of thefigure 11 , in front view.
Sur la
L'empilement est ici entouré par un cadre 82 comprenant deux côtés longitudinaux 84a, 84b munis de moyens de fixation 85, et deux autres côtés 86a, 86b s'étendant dans la direction transverse Z1 et définissant respectivement un collecteur d'entrée CE muni d'au moins une entrée 88 et un collecteur de sortie CS muni d'au moins une sortie 90 pour un fluide à refroidir.The stack is here surrounded by a
Dans l'exemple illustré, chaque module d'échange thermique 10 comprend une cellule pour la circulation dudit fluide à refroidir (ci-après aussi première cellule de circulation) s'étendant dans la direction longitudinale Y1 de l'échangeur thermique 80 depuis le collecteur d'entrée CE jusqu'au collecteur de sortie CS.In the illustrated example, each
Chaque module 10 comporte, en outre, une cellule pour la circulation d'un fluide de refroidissement (ci-après aussi seconde cellule de circulation), débouchant vers l'extérieur à ses deux extrémités, opposées dans la direction latérale de l'échangeur.Each
Comme illustré sur la
Chaque seconde cellule de circulation est, elle, délimitée par une deuxième paire d'entretoises 78 (une seule est représentée sur la
Les différents éléments du module d'échange thermique 10 peuvent être fixés les uns aux autres par des techniques de soudage et/ou brasage connues en soi et non détaillées ici.The various elements of the
A noter que l'échangeur thermique de l'exemple considéré n'est aucunement limitatif de la présente invention. Ainsi, un échangeur selon l'invention pourra présenter toute autre configuration adaptée. Par exemple, le fluide à refroidir et le fluide de refroidissement pourront circuler selon des trajets non plus perpendiculaires mais parallèles, dans des sens opposés ou dans le même sens.Note that the heat exchanger of the example in question is not limiting of the present invention. Thus, an exchanger according to the invention may have any other suitable configuration. For example, the fluid to be cooled and the cooling fluid can circulate along paths that are no longer perpendicular but parallel, in opposite directions or in the same direction.
Une armature 16 selon l'invention, destinée, comme indiquée ci-dessus, à être placée dans une cellule de circulation d'un module d'échange thermique, va à présent être décrite plus en détail.An
Une telle armature 16 se compose de deux plaques semblables 20 (ci-après plaques à ailettes) imbriquées l'une dans l'autre.Such an
Pour bien comprendre la structure de l'armature 16, il est donc nécessaire de décrire tout d'abord l'une de ces plaques à ailettes 20. C'est ce qui va être fait dans la suite en référence aux
Comme illustré sur la
On définit pour la suite la direction latérale X de la plaque à ailettes 20, dans laquelle s'étendent ses petits côtés 24a, 24b, sa direction longitudinale Y, dans laquelle s'étendent ses grands côtés 26a, 26b, et enfin sa direction transverse Z, normale au plan de base PB. Pour simplifier la représentation, seule une portion de la plaque 20 est représentée sur les
En se référant à l'échangeur thermique 80 de la
Comme illustré sur la
Chaque ailette 30 est donc ici une pièce continue non confondue avec la base mais reliée à celle-ci par deux extrémités.Each
Autrement dit, la plaque à ailettes 20 comporte une pluralité de bandes ondulées ou bandes d'ailettes 34, séparées entre elles par des bandes de base plates continues 32, ici de même largeur (mesurée dans la direction longitudinale Y de la plaque) et s'étendant sur toute ou sensiblement toute la largeur de la plaque. Comme il ressort des
Une telle plaque 20 est par exemple obtenue par poinçonnage et emboutissage simultanés d'une tôle plane.Such a
Au sein d'une même bande d'ailettes 34, deux ailettes adjacentes 30 sont séparées l'une de l'autre par une portion confondue avec la base 22 et dite portion intermédiaire 36.Within the same band of
Comme il ressort de la
Chacune comprend ainsi une première paroi oblique 42 et une seconde paroi oblique 44 inclinée en sens inverse de la première, connectées par l'intermédiaire d'une portion de jonction 40 parallèle au plan de base PB et espacée dudit plan PB d'une distance prédéterminée d1 correspondant à l'épaisseur totale de la plaque à ailettes 20. Dans l'exemple illustré, les parois obliques 42, 44 sont toutes deux inclinées d'un angle z de 45° par rapport au plan de base PB. En outre, la portion de jonction 40 a ici la même longueur que la portion intermédiaire 36 précitée.Each comprises a
Selon un aspect de l'invention, deux plaques à ailettes 120, 220 semblables et conformes à celle 20 décrite ci-dessus sont assemblées pour former une armature 16 du type illustré sur les
Sur la
Sur la même
Ce décalage, dans la direction latérale X, entre les bandes de rang 2N et celles de rang 2N+1, est ici égal à un quart de la longueur L d'une ailette, mesurée dans la même direction latérale X.This offset, in the lateral direction X, between the
On constate, toujours en observant la
Enfin, deux bandes d'ailettes de rang 2N et 2N+1, immédiatement voisines, sont espacées, dans la direction longitudinale Y, d'une distance au moins égale à la largeur d'une bande d'ailettes dans cette direction Y.Finally, two immediately adjacent wings of
La configuration précitée est telle que deux plaques à ailettes 120, 220 du type précité peuvent être disposées tête bêche afin de constituer une armature 16.The aforementioned configuration is such that two
Dans cette position, le premier grand côté 126a de la première plaque à ailettes 120 est disposé en regard du second grand côté 226a de la deuxième plaque 220, et le deuxième grand côté 126b de la première plaque à ailettes 120 est en regard du premier grand côté 226b de la deuxième plaque 220 (voir
D'autre part, les parties de jonction 140 des ailettes 130 de la première plaque à ailettes 120 se trouvent en regard des bandes plates 232 de la deuxième plaque à ailettes 220, et vice versa.On the other hand, the joining
La configuration obtenue est illustrée par les
En référence à la
Sur les
Autrement dit, un fluide F traversant l'armature 16, dans la direction longitudinale Y, rencontre successivement (si l'on considère des portions de la largeur d'une bande d'ailettes) une ailette, puis rien, rien, rien, une ailette, rien, rien, rien, une ailette, etc.In other words, a fluid F passing through the
Encore dit autrement, une nappe de fluide de même section transversale qu'une ailette et s'écoulant selon F passe au plus près des ailettes de rang 4N selon cette direction longitudinale Y.In other words, a sheet of fluid of the same cross section as a fin and flowing along F passes closer to the fins of
De telles dispositions permettent de réduire considérablement les pertes de pression à l'intérieur de l'armature 16 par rapport aux dispositifs de l'art antérieur qui fonctionnent en mode « on-off », c'est-à-dire avec une périodicité de 2. Dans ces dispositifs connus, en effet, le fluide est en contact avec des ailettes sur la moitié de son trajet. Or les ailettes forment un frein important à l'écoulement, entraînant une perte de pression du fluide. La quantité d'énergie à mettre en œuvre pour un même rendement est ainsi beaucoup plus importante.Such arrangements make it possible to reduce considerably the pressure losses inside the
Selon d'autres exemples de réalisation de l'invention, la périodicité des ailettes à l'intérieur de l'armature 16 peut être différente de 4, et notamment supérieure à 4. La valeur de décalage des ailettes peut en outre être choisie en fonction des fluides concernés.According to other exemplary embodiments of the invention, the periodicity of the fins inside the
De la
Comme illustré sur la
Les deux faces d'appui 63, 64 d'une entretoise 60a, 60b sont reliées par un côté à profil en V, destiné à être dirigé vers l'intérieur de la cellule de circulation de fluide. Les faces 61, 62 formant le profil en V sont inclinées par rapport aux faces d'appui 63, 64 de l'entretoise d'un angle égal à l'angle d'inclinaison z des parois d'ailettes 42, 44, c'est-à-dire ici de 45°. Le côté 65 opposé au profil en V s'étend, lui, perpendiculairement aux deux faces d'appui 63, 64.The two bearing faces 63, 64 of a
Dans l'exemple illustré, chaque plaque à ailettes 20 comporte, à chacune de ses extrémités latérales 126a, 126b, 226a, 226b un bord respectivement 125a, 125b, 225a, 225b plié perpendiculairement à la base 22 et de hauteur constante sur toute la largeur de la plaque à ailettes 20.In the illustrated example, each
Chaque bord replié 125a, 125b, 225a, 225b vient s'appliquer contre le côté 65 d'une entretoise 60a, 60b. De manière préférentielle, la hauteur des bords repliés de chaque plaque à ailettes est choisie inférieure au moins légèrement à la moitié de l'épaisseur d3 de l'entretoise, de sorte que les bords respectifs des deux plaques à ailettes 120, 220 en regard ne se superposent pas.Each folded
On rappelle que l'ensemble formé par les entretoises 60a, 60b et les plaques à ailettes 120, 220 est monté entre deux plaques de séparation 70, 72 telles que décrites précédemment en liaison avec la
La forme des ailettes et notamment leurs parois obliques 42, 44 confèrent à celles-ci une relative élasticité, qui permet de diminuer les contraintes dimensionnelles lors du montage entre les plaques de séparations 70, 72. Dans le cas où la hauteur des ailettes est initialement légèrement supérieure à l'épaisseur des entretoises 60a, 60b, les parties obliques des ailettes fléchissent lorsque les plaques 70, 72 sont rapprochées l'une de l'autre jusqu'à entrer en contact avec les faces d'appui des entretoises.The shape of the fins and in particular their
Une armature 116 selon un deuxième mode de réalisation de la présente invention va à présent être décrite en référence aux
La
Sauf précision contraire, toutes les dispositions décrites précédemment avec la premier mode de réalisation des
Chaque plaque à ailettes 320, 420 se caractérise ici en ce que deux bandes d'ailettes voisines de la même plaque sont séparées par une bande plate discontinue 332, 432 formée par un alignement de segments plats 333, 433 alternés avec des ouvertures 337, 437. Comme illustré sur la
On note par ailleurs que les segments plats 333, 433 de rangées voisines sont décalés les uns par rapport aux autres, pour tenir compte du décalage des ailettes, décrit en liaison avec le premier mode de réalisation et non répété ici.Note also that the
Une telle plaque à ailettes 320, 420 est obtenue par découpage d'une plaque métallique puis pliage pour l'obtention des ailettes. Contrairement au mode de réalisation précédent, aucune opération d'emboutissage n'est nécessaire.Such a
Comme illustré sur les
De la même manière, les ailettes 330 de la première plaque à ailettes 320 sont positionnées en regard des bandes plates 432 de la deuxième plaque à ailettes 420, la portion de jonction 340 de chaque ailette 330 de la première plaque 320 étant placée entre deux segments de bande 433 de la deuxième plaque 420, dans une ouverture 437.In the same way, the
Sur la
On constate que, contrairement au premier mode de réalisation décrit précédemment, les plaques séparatrices 70, 72 sont directement en contact avec les entretoises 60a, 60b.It is found that, unlike the first embodiment described above, the
On constate en outre qu'une fois l'armature 116 montée entre les deux plaques 70, 72, les ailettes des deux plaques à ailettes ont été légèrement comprimées dans la direction transverse Z, de sorte que les portions de jonction 340, 440 des ailettes, positionnée dans les ouvertures 337, 437 comme indiqué précédemment, se retrouvent respectivement en appui contre la seconde plaque séparatrice 72 et la première plaque séparatrice 70. Pour un meilleur rendement énergétique de l'ensemble, les portions intermédiaires 336, 436 et/ou les portions de jonction 340, 440 peuvent être fixées aux plaques de jonction contre lesquelles elles viennent respectivement en appui, notamment par brasage ou soudage.It is further noted that once the
Claims (9)
- A frame (16, 116) in particular suitable for being incorporated in a heat exchanger, the frame comprising two finned plates (20, 120, 220, 320, 420), wherein
each finned plate (20, 120, 220, 320, 420) comprising a base (22) and a plurality of heat exchange fins (30) extending from said base (22), said fins (30) being distributed over at least two mutually parallel strips (34) of fins, the finned plate being characterized in that said two adjacent strips (34) of fins are separated in a direction perpendicular to the direction (X) of said strips (34) of fins by a flat strip (32) not having any fins,
wherein each fin (30) has two distinct ends secured to the base (22), the fin portion defined between said ends being a continuous single piece that does not coincide with said base (22),
the base has openings (28) between the respective ends of each fin,
the finned plates are nested together in such a manner that the fins of the first finned plate (120, 320) are inserted in facing spaces of said flat strips of the second finned plate (220, 420) and are arranged head-to-toe relative to the adjacent fins of the second finned plate (220, 420),
two fin portions having the same orientation are in alignment in a direction perpendicular to the strips of fins and parallel to the bases of the finned plates, once every K strips of fins, where K is an integer greater than 2. - A frame according to claim 1, wherein said flat strip (32) presents a width that is not less than the width of a strip (34) of fins.
- A frame according to any one of claims 1 to 2, wherein each heat exchange fin (30) includes at least one curved portion or at least one sloping portion (42, 44) sloping relative to the base (22).
- A frame according to any one of claims 1 to 3, wherein two adjacent fins of two adjacent strips (34) of fins are offset relative to each other in the direction (X) of said strips (34) of fins.
- A frame according to any one of claims 1 to 4, wherein two adjacent strips (34) of fins are separated by a continuous flat strip (32) extending over the entire length of said strips (34) of fins.
- A frame according to any one of claims 1 to 4, wherein two adjacent strips of fins are separated by a discontinuous flat strip (332, 432) formed by a succession of segments (333, 433) spaced apart by openings (337, 437).
- A frame (16, 116) according to any one of claims 1 to 6, wherein two adjacent strips of fins belonging respectively to the two finned plates (120, 220, 320, 420) are offset relative to each other in the direction (X) of said strips (34) of fins.
- A frame (16,116) according to ant one of claims 1 to 7, wherein two fin portions having the same orientation are in alignment in a direction perpendicular to the strips of fins and parallel to the bases of the finned plates, once every K strips of fins, where K is an integer equal to 4.
- A heat exchanger (80) comprising a stack (11) of heat exchange modules (10), each module (10) having a flow cell (12) for a fluid that is to be cooled and a flow cell (14) for a cooling fluid, the modules being side by side and thermally coupled together, the flow cell (12) for the fluid that is to be cooled and/or the flow cell for the cooling fluid comprising a frame (16, 116) according to any one of claims 1 to 8.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FR2012/052254 WO2014053712A1 (en) | 2012-10-04 | 2012-10-04 | Fin plate, frame comprising at least one such plate and heat exchanger comprising said frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2904344A1 EP2904344A1 (en) | 2015-08-12 |
EP2904344B1 true EP2904344B1 (en) | 2019-12-04 |
Family
ID=47291088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12795493.1A Active EP2904344B1 (en) | 2012-10-04 | 2012-10-04 | Frame comprising two finned plates and thermal heat exchanger comprising said frame |
Country Status (5)
Country | Link |
---|---|
US (1) | US10337806B2 (en) |
EP (1) | EP2904344B1 (en) |
CN (1) | CN105209844B (en) |
DK (1) | DK2904344T3 (en) |
WO (1) | WO2014053712A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160305721A1 (en) * | 2015-04-15 | 2016-10-20 | Tien-Kou Yeh | Heat dissipation apparatus |
CN105806136B (en) * | 2016-05-10 | 2019-05-07 | 广东工业大学 | A kind of fin and a kind of plate-fin heat exchanger |
JP6512229B2 (en) * | 2017-01-24 | 2019-05-15 | トヨタ自動車株式会社 | Heat dissipation sheet |
JP6546681B1 (en) * | 2018-05-16 | 2019-07-17 | モリテックスチール株式会社 | Metal foil and laminate having the same |
CN112534202A (en) * | 2018-08-10 | 2021-03-19 | 摩丁制造公司 | Battery cooling plate |
US20200166293A1 (en) * | 2018-11-27 | 2020-05-28 | Hamilton Sundstrand Corporation | Weaved cross-flow heat exchanger and method of forming a heat exchanger |
CN113424006A (en) * | 2019-02-07 | 2021-09-21 | 贺德克冷却技术有限公司 | Heat exchanger |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829514A (en) * | 1997-10-29 | 1998-11-03 | Eastman Kodak Company | Bonded cast, pin-finned heat sink and method of manufacture |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1899080A (en) * | 1931-10-29 | 1933-02-28 | Res & Dev Corp | Heat exchange device |
US2632633A (en) * | 1948-12-15 | 1953-03-24 | Air Preheater | Punched fin elements for heat exchangers |
US2656160A (en) * | 1951-06-04 | 1953-10-20 | Air Preheater | Tab strip fin for heat exchanger cores |
US2985434A (en) * | 1957-03-15 | 1961-05-23 | Air Preheater | Regenerator |
US3083662A (en) * | 1957-07-19 | 1963-04-02 | Borg Warner | Heat exchanger and method of making same |
US2988336A (en) * | 1958-04-18 | 1961-06-13 | Air Preheater | Heat exchanger |
US3524497A (en) * | 1968-04-04 | 1970-08-18 | Ibm | Heat transfer in a liquid cooling system |
EP0165788A3 (en) * | 1984-06-20 | 1986-04-23 | D. Mulock-Bentley And Associates (Proprietary) Limited | Heat exchanger |
DE3632666C1 (en) | 1986-09-26 | 1988-01-07 | Buderus Ag | Panel radiator |
JP3376501B2 (en) * | 1994-03-31 | 2003-02-10 | 昭和電工株式会社 | Method of manufacturing heat exchange tube with inner fin |
JPH08200977A (en) * | 1995-01-27 | 1996-08-09 | Zexel Corp | Flat tube for heat exchanger and manufacture thereof |
JPH09296989A (en) | 1996-05-02 | 1997-11-18 | Toyo Radiator Co Ltd | Fins for heat exchanger, its manufacture and heat exchanger |
US6273183B1 (en) | 1997-08-29 | 2001-08-14 | Long Manufacturing Ltd. | Heat exchanger turbulizers with interrupted convolutions |
JP4594471B2 (en) * | 2000-01-13 | 2010-12-08 | 東京濾器株式会社 | Heat exchanger fins |
DE10304692A1 (en) * | 2003-02-06 | 2004-08-19 | Modine Manufacturing Co., Racine | Corrugated insert for a heat exchanger tube |
JP4614266B2 (en) * | 2004-07-23 | 2011-01-19 | 臼井国際産業株式会社 | Fins for fluid agitation, and heat transfer tubes and heat exchangers or heat exchange type gas cooling devices equipped with the fins |
-
2012
- 2012-10-04 DK DK12795493.1T patent/DK2904344T3/en active
- 2012-10-04 US US14/433,687 patent/US10337806B2/en active Active
- 2012-10-04 EP EP12795493.1A patent/EP2904344B1/en active Active
- 2012-10-04 CN CN201280077498.0A patent/CN105209844B/en active Active
- 2012-10-04 WO PCT/FR2012/052254 patent/WO2014053712A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829514A (en) * | 1997-10-29 | 1998-11-03 | Eastman Kodak Company | Bonded cast, pin-finned heat sink and method of manufacture |
Also Published As
Publication number | Publication date |
---|---|
CN105209844B (en) | 2018-01-19 |
CN105209844A (en) | 2015-12-30 |
EP2904344A1 (en) | 2015-08-12 |
US10337806B2 (en) | 2019-07-02 |
DK2904344T3 (en) | 2020-03-09 |
WO2014053712A1 (en) | 2014-04-10 |
US20150276330A1 (en) | 2015-10-01 |
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