EP2798297B1 - Méthode de fabrication d'au moins deux échangeurs de chaleur différents - Google Patents

Méthode de fabrication d'au moins deux échangeurs de chaleur différents Download PDF

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Publication number
EP2798297B1
EP2798297B1 EP12812272.8A EP12812272A EP2798297B1 EP 2798297 B1 EP2798297 B1 EP 2798297B1 EP 12812272 A EP12812272 A EP 12812272A EP 2798297 B1 EP2798297 B1 EP 2798297B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
plate
flow
type
pairs
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.)
Not-in-force
Application number
EP12812272.8A
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German (de)
English (en)
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EP2798297A1 (fr
Inventor
Wolfgang Seewald
Falk Viehrig
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Mahle Behr GmbH and Co KG
Original Assignee
Mahle Behr GmbH and Co KG
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Publication of EP2798297A1 publication Critical patent/EP2798297A1/fr
Application granted granted Critical
Publication of EP2798297B1 publication Critical patent/EP2798297B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • 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
    • F28D1/0308—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 paired plates touching each other
    • F28D1/0325—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 paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—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 paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/053—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 tubular conduits the conduits being straight
    • F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53113—Heat exchanger

Definitions

  • the invention relates to a method for producing more than two different heat exchangers by means of a modular system.
  • Heat exchangers for motor vehicles are known in the art. Thus, heat exchangers are already used in a variety of configurations and uses in vehicles, for example as an evaporator, storage evaporator, oil cooler, condenser, intercooler or coolant radiator. All these heat exchangers have different configurations and designs, so that for each type often a different design is applied.
  • the DE 102006028117 A1 discloses an evaporator with cold storage, a so-called storage evaporator, in which an evaporator part is formed with double-row flat tubes, wherein adjacent to this evaporator part of the Heat exchanger, a memory part is provided, which is formed einreihig and can flow through an array of double tubes on the one hand, a refrigerant through an inner flat tube and on the other hand, a cold storage medium in a space between the inner flat tube and the outer flat tube arranged or can flow through this space area.
  • the production of this storage evaporator is a highly complex process, since a large number of tubes and a large number of parts have to be assembled and interconnected.
  • the evaporator part is typically a modification of a standard refrigerant evaporator, so that this component is not used by default, but at least with regard to some components requires a modification.
  • This storage evaporator is thus a separate solution that can not rely on mass-produced components.
  • the EP 1817534 B1 also discloses a storage evaporator, wherein in a first embodiment, in turn, flat tubes are inserted into each other, which can be connected by means of Anschlußelerrienten to different refrigerant or cold storage media-medium cycles.
  • the production of such a storage evaporator in turn shows a high parts cost, which leads to significant additional costs.
  • the US 2008/0121381 discloses a combined heat exchanger comprising two different plate-type heat exchangers.
  • the heat exchangers in the prior art are thus very specifically adapted to the needs of the respective medium in the circuit, so that a broad application is rather excluded for different applications.
  • a heat transfer core of the first type can be used with a heat transfer core of the second type, in which case the refrigerant can flow in parallel or in series through flow paths of the first core and the second core, wherein the cold storage medium through further flow paths of the second heat transfer core can flow.
  • two heat exchangers of the second type can be interconnected, so that, for example, an increased cooling capacity can be realized with simultaneous cold storage effect.
  • the second type of heat exchanger core can be used alone, for example as a double-row evaporator or as a single-row evaporator with cold storage. As a result, for example, a storage evaporator with lower cooling capacity can be realized.
  • the heat exchanger cores of the first and / or second type are provided with connecting devices and / or connecting devices for introducing and / or discharging and / or passing fluid in or between or from the heat exchanger cores or between flow channels of the heat exchanger cores.
  • At least individual disks have openings and / or cups as connecting and connecting areas and have channel-forming structures, such as embossings, for forming flow paths between connecting areas.
  • first disk and the second disk of the disk pair each have a connection region at two opposite end regions as the inlet or outlet of the first flow path and in each case a channel-forming structure between the two connection regions for forming the first flow path.
  • first disk and / or the second disk of the disk pair prefferably have two connection regions at one end region Inlet or outlet of the first flow path and in each case a channel-forming structure between the two connection areas for forming the first flow path.
  • first disk, the second and the third disk of the disk group to have two connection regions at two opposite end regions as the inlet or outlet of the third flow path or the fourth flow path, the first and the second disk each between an opposite connection region a channel-forming structure between one of the two connection regions for forming the third and the fourth flow path, wherein the third disc is provided between the first and the second disc as a partition wall between the third and the fourth flow path.
  • the spacing of the pairs of disks or the groups of disks of a heat transfer core for forming the second and / or fifth flow paths is selected such that it is the same for different heat exchanger cores of a heat exchanger or different, as smaller or larger than in the adjacent heat transfer core.
  • disk pairs are formed from a paired arrangement of disks and with a partition wall between adjacent disks, which form pairs of flow channels, characterized in that the flow channels of a disk pair are flowed through in countercurrent.
  • the FIG. 1 shows the arrangement of two heat transfer cores 1,2, which are connectable to a heat exchanger together.
  • the heat transfer core 1 has a plurality of disk pairs 3, which are arranged adjacent to each other, wherein in free spaces between the respective adjacent pairs of disks corrugated fins 4 are arranged, for better heat transfer in the flow of air between the respective adjacent disk pairs 3.
  • Zu- and Outlet the disks 3 at their opposite ends connections or openings formed as such as cups 5.6, which also serve to connect the pairs of disks 3 with each other.
  • the heat transfer core 2 is formed with a plurality of disc groups 7, in turn, adjacent disc groups leave 7 clearances 8 to Throughflow of air, wherein a recording of corrugated fins for the improved heat exchange in the flow of air may be provided.
  • Figure 1 shows an arrangement of two heat exchanger cores 1, 2, wherein the first heat exchanger core 1 is a first type of heat transfer core formed with a plurality of pairs of disks for generating a plurality of parallel flow paths between the pairs of disks. Within the disk pairs, a flow path is created for flowing the disk through a fluid, allowing entry and exit of the fluid into and from the disk through a port formed through a cup in the disk.
  • the first heat exchanger core 1 is a first type of heat transfer core formed with a plurality of pairs of disks for generating a plurality of parallel flow paths between the pairs of disks.
  • a flow path is created for flowing the disk through a fluid, allowing entry and exit of the fluid into and from the disk through a port formed through a cup in the disk.
  • the second heat transfer core 2 represents a heat transfer core of the second type formed with a plurality of groups of three disks for generating a plurality of two parallel flow paths, each forming a flow path between two of the three disks.
  • the disk group at its two opposite ends in each case two connection openings for inlet and outlet of a first and / or a second fluid, so that either two different fluids can flow through this heat transfer core 2 in each case different flow channels or in another application a fluid in different flow paths can flow in two columns through the heat exchanger core, wherein at one of the two heat exchanger core ends then a deflection of the fluid is provided by the one flow path in the other flow path.
  • This diversion is however in the FIG. 1 not shown.
  • FIGS. 15 and 16 show a disc 200, in which an overflow channel is provided as a deflection between the wells 201.
  • the plurality of adjacent disk groups form over the wells formed as wells 10,11 as port areas, an inlet or outlet manifold, so that a fluid that flows through the opening 10, 11 and the respective bowl into the heat exchanger core can be distributed over the length of the heat exchanger core before flowing through the flow channels along the heat exchanger disk array can, before it is collected at the opposite end in the region of the connection of the wells again, before the fluid can be discharged from the heat transfer core.
  • the opening 10 is adjacent to the opening 11 and of a smaller cross section, so that quite different flow rates for the different media can be realized. In another embodiment, however, it may also be expedient if the openings 10, 11 of the flow paths are of the same order of magnitude.
  • FIG. 2 shows the arrangement of the two heat transfer cores 1,2 in an arrangement in which the heat transfer cores are interconnected, thereby producing a heat exchanger having a first core having a plurality of parallel flow paths, and having a second core having a plurality of two adjacent flow paths.
  • Such a heat exchanger according to FIG. 2 can be used, for example, as a storage evaporator, wherein a first flow path 12 between the opening 5 and the opening 6 is used as a refrigerant flow path and then a deflection takes place to the opening 11 as an inlet, so that the refrigerant through the flow path between the two openings 11,11a as Connections can flow and then escape from the evaporator.
  • the flow path 13 between the openings as ports 10, 10a can be used as a storage medium flow path, so that during normal operation of the evaporator, the storage medium is cooled in this flow path and in the event that the refrigerant circuit of the air conditioner For example, is in a start-stop situation, the air flowing through, which is indicated by the arrow 14 can be further cooled by heat exchange between the storage medium in the flow path 13, so that even during a temporary stoppage phase of the refrigerant circuit of the air conditioning in the start-stop Operation still some cooling power can be provided.
  • a heat transfer core of the FIG. 1 is also usable as a stand-alone heat exchanger, see FIG. 5 , wherein such a heat exchanger 20 can be used for example as a disk evaporator in an air conditioner with little available space.
  • this heat exchanger 20 as an evaporator would only provide a reduced cooling capacity available, this may well be sufficient for small vehicles such as small electric vehicles.
  • the heat exchanger 20 consists of a core 25 of a plurality of pairs of disks 26 which are spaced from each other, so that air can flow through the intermediate spaces 24, which is thereby cooled. The air flow direction is indicated by the arrow 27.
  • the pairs of disks 26 have connections which are formed by cups, which serve to form the collecting space and which serve for mutual engagement with adjacent disk pairs.
  • a fluid can flow into a connection region, see arrow 21, and the fluid can flow out from an opposite connection region, see arrow 22.
  • the flow path 23 which is formed by the pair of discs and through which the fluid flows.
  • FIG. 3 shows a heat exchanger 30, which consists of two Heat exchanger cores 31,32 of the first type is composed.
  • Each of the two heat exchanger cores 31,32 consists of a plurality of pairs of discs 33,34 which are each spaced from each other in a row in the respective core are arranged so that through the gaps 35,36 between the pairs of discs 33,34, for example, air can flow through it is coolable.
  • the air flow direction is indicated by the arrow 37.
  • the pairs of disks 33 have connections 38, 39, which are formed by cups, which also serve to form the collecting spaces 40, 41 and which serve for mutual contact with adjacent pairs of disks.
  • the pairs of disks 34 have connections 42,43, which are formed by wells, which also serve to form the collecting spaces 44,45 and which serve for mutual contact with adjacent disk pairs.
  • a fluid can flow into the first core 31 into a connection region 38.
  • the fluid flows through the flow channel 46 and can exit at 39 from the first core 31. It is diverted to enter the second core at 43. Subsequently, the fluid flows through the second flow channel 47 and flows out of an opposite connection region 42 out of the second core 32 again.
  • the deflection is not shown, it can be done through a pipe or the like.
  • FIG. 6 shows a heat exchanger 50, which consists of only one heat exchanger core 51 of the second type.
  • the heat transfer core 51 consists of a plurality of disk groups 52 which are each spaced from one another in a row, so that, for example, air can flow through the intermediate spaces 53 between the disk groups 52, which can be cooled thereby.
  • the air flow direction is indicated by the arrow 54 characterized.
  • the pairs of disks 52 form two parallel flow channels 55, 56, which are each formed by two of the three disks of the disk group 52.
  • connections of the two flow channels or flow paths 55,56 are formed by the connections 57,58,59,60, which are designed as wells, which also serve to form the respective collecting chambers 61,62,63,64 and the mutual investment Serve with adjacent pairs of discs or disc group.
  • a fluid can flow into the first flow channel 55.
  • the fluid then flows through the flow channel 55 and can exit at the cup 58 as an outlet from the first flow channel 55.
  • the fluid is then deflected to enter the second flow channel 56 at the cup 59.
  • the fluid flows through the second flow channel 56 from the cup 59 to the cup 60 and flows there at the inlet opposite outlet again from the second flow channel.
  • the deflection is not shown, it can be done through a pipe or the like.
  • FIG. 4 shows such a heat exchanger 70, which consists of only a first heat transfer core 71 of the second type and a second heat transfer core 72 of the second type.
  • a fluid is flowed through by a first core 71 and then deflected to a second core 72 and then flows through this second core 72 before the fluid exits from this core 72 again.
  • FIG. 7 shows two discs 80 and 81 of a disc pair 82, which are identically formed and reversed to each other.
  • the two discs each have a cup 83 and an opposite cup 84 formed on the opposite end portions of the disc.
  • the cups point from the base 85 of the disc in a direction perpendicular thereto so as to protrude from the base 85 of the disc.
  • the disc has a peripheral edge 86 projecting in the direction perpendicular to the plane of the disc 85, the rim 86 projecting in the opposite direction than the cup 87 or 88 of the openings 83, 84. If now two disks are brought into contact with each other, then they abut against one another at the peripheral edges 86 and can be soldered together sealingly there. This causes between the two discs, a flow channel 89 is formed, which serves to flow through the disc and which is in fluid communication with the openings 83, 84.
  • FIG. 8 shows a disc group with the discs 90, 91 and 92.
  • the disc 90 has a ground plane 93 and a respective protruding peripheral edge 94, wherein at the two opposite ends openings 95 and 96 are respectively provided, which are formed with encircling cups, the cups being perpendicular to the base plane 93 and projecting in a different direction than the peripheral edge 94.
  • the flow channel 97 is defined between and communicates with the openings 95 in fluid communication with the flow channel being defined from and not communicating with the opening 96.
  • the disc 91 is flat and has at the two opposite ends in each case openings 98.99, which are formed without cups, wherein the disc 91 is flat and has no embossed structures. If now the disc 90 is placed on the disc 91, the two discs touch each other in the region of the peripheral edge 94 and can thus be fluid-tight with each other be connected, that on the one hand, the openings 98 are aligned with the openings 95 and between the disc 90 and the disc 91 of the fluid channel 97 is defined, the openings 96 are aligned with the openings 99, but are not in communication with the fluid channel 97.
  • the disc 92 also has at its opposite ends openings 100, 101, wherein in the base portion 102 of the disc, a fluid channel 103 is formed, which communicates with the openings 101, wherein a peripheral edge 104 is formed in a direction perpendicular to the plane of Base surface 102 protrudes, wherein the openings 100 are embossed in the peripheral edge, and thus are not in fluid communication with the flow channel 103.
  • the openings 100 and 101 are configured with wells projecting perpendicular to the direction of the ground plane 102, wherein these in the FIG. 8 protrude to the rear and thus protrude opposite to the peripheral edge 104.
  • FIG. 9 shows an arrangement of a plurality of disc pairs according to the FIG. 7 in that the pairs of discs 110 are soldered together and then joined adjacent to each other, so that they touch each other in the area of the protruding cups 111, thereby defining a distance between the pairs of discs which is greater than the extent of the disc perpendicular to the base plane of the disc, so that between the two respective adjacent slices a space portion 112 remains undgespart, for the passage of, for example, air.
  • FIG. 10 shows a similar arrangement example of disk groups 113 according to the FIG. 8 , wherein these disk groups are in turn connected to each other and adjacent disk groups come into contact with each other via the protruding cups 114,115. Hiss the disk groups is in turn a free space 116 flickges to flow through, for example, air.
  • FIG. 11c shows a section of a disc 82 according to FIG. 7 , as well as the FIG. 11b , wherein the disc 82 has a flat base portion 85 opposite to the peripheral edge 86 protrudes, at the same time the opening 83 has a cup 87 which protrudes from the base 85 in a different direction. This is also in the FIG. 11b good to see, so that the cup 87 in the FIG. 11b protrudes forward relative to the base 85, wherein the peripheral edge 86 in the FIG. 11b protrudes to the rear.
  • the discs 92 and 90 each have at their opposite ends two openings 95 and 100 and 101 and 96, these openings being surrounded by cups projecting from the base portions 97 and 102 of the discs, respectively.
  • the flow channel 103 or the flow channel 97 is in each case fluid-connected to another opening, so that the flow channel 97 is connected to the opening 95, while the flow channel 103 is connected to the opening 101.
  • the small openings 95, 100 are connectable to each other, while the large openings 96 and 101 are connected to each other.
  • the fluid channels 97 and 103 are in communication with the respective openings configured through-flow, wherein the two flow channels 97 and 103 are separated by the interposition of the disc 91, not shown, but from each other.
  • FIG. 12 shows the arrangement of disk pairs and disk groups in adjacent arrangement, wherein the pairs of disks of the discs 82 are arranged in the air flow direction before the arrangement of the disk groups of the disks 90, 91,92.
  • the flow channel 85 of the air flow is first exposed before the flow channel 97 and the flow channel 103, not shown, is flowed around.
  • the FIG. 13 shows this from the other side, so that it can be seen that first the flow channel 85 is surrounded by air before the flow channel 103 is flowed around.
  • the FIG. 14 shows this again in section, wherein it can be seen that the flow channel 85 is formed by two discs 82, wherein the flow channels 97 and 103 are formed by the discs 90, 91 and 92, wherein the two flow channels 90 and 103 in a direction perpendicular to the air direction take in sum only the space area which is occupied by the air channel 85 of the two discs 82.
  • the FIG. 13 shows this from the other side, so that it can be seen that first the flow channel 85 is surrounded by air before the flow channel 103 is flowed around.
  • the FIG. 14 shows this again in section, wherein it can be seen that the flow channel 85 is formed by two discs 82, wherein the
  • FIG. 17 shows a heat exchanger 300 with a heat transfer core, wherein the heat transfer core 301 is formed by a plurality of parallel pairs of disks consisting of two discs, which form two flow paths between each disc and the partition wall with the interposition of a partition wall.
  • the heat exchanger 300 has a plurality of disk pairs 302, which are arranged adjacent to one another, wherein corrugated fins 303 are preferably arranged between the disk pairs.
  • Each pair of discs see also FIG. 18 , Has at a first end portion and at a second end region in each case two as wells designed inlet openings 304, 305, 306, 307.
  • a cup of an end region 304 or 305 forms an input-side cup, wherein the output-side cup associated with the flow path 308 in the other end region is arranged.
  • an inlet-side and an outlet-side cup are provided as inlet or outlet of the heat exchanger on each side in each end region.
  • FIG. 18 shows three spaced-apart disc pairs, which consist of two discs and an intermediate wall, said pairs of discs are arranged to a disc package 310.
  • FIG. 19 shows the arrangement of a disc pair consisting of the discs 311 and 312, the disc 311 forms a flow channel 313 and the disc 312 a flow channel 314. These flow channels are formed by embossments between two wells, with only two of the four shown cups with the flow channel are connected. Thus, the cup 315 and the cup 316 are connected to the flow channel 313, wherein the cups 317 and 318 are not connected to the flow channel 313. In the disc 312, the cup 319 and the cup 320 are connected to the flow channel 314, with the cup 321 and the cup 322 not connected to the flow channel.
  • FIGS. 20 and 21 show the arrangements of the wells 319, 321 of FIG. 19 in an enlarged view, wherein the cups 319 and 321 in FIG. 20 are formed separately from each other and the cup 319 is fluidly connected to the flow channel 314, while the cup 321 is separated from the flow channel 314.
  • two wells 330 and 331 are also shown in each case, wherein a transition 332 is provided between the two wells 330, which allows an overflow of a fluid from the bowl 330 to the bowl 331.
  • the FIG. 22 shows a disk package with three pairs of disks in a perspective view, wherein only the uppermost portion of the disk package 340 is shown.
  • the FIG. 23 represents a section according to section 1 of FIG. 22 and the FIG. 24 shows a section according to section 2 of FIG. 22 , It can be seen that in each case a pair of disks 350, 351 is provided with an intermediate layer 352, wherein between the disks 350 and 351 a flow channel 353 is arranged on one side of the partition 352, while a second flow channel 354 is arranged on the other side of the partition. This pattern is repeated for each disk pair of the three disk pairs shown, so that two flow channels 354, 353 are arranged on both sides of the partition wall 352 between the disk pairs.
  • FIG. 24 FIG. 3 also shows the flow channels 353 and 354 respectively disposed on one side of the partition wall 352.
  • the FIG. 25 shows the disc package 340, wherein the FIG. 26 a section according to section 3 of FIG. 25 represents and the FIG. 27 a section according to section 4 of FIG. 25 ,
  • FIGS. 26 and 27 the disks 350 and 351 are shown with the partition wall 352 interposed, the flow channels 354 and 353 being visible in each case. It can be seen in section 3 that the flow channels do not extend over the full width of the disc, the flow channels in the FIG. 27 essentially run over the entire disc. This is due to the fact that the channel profile to the cup must be returned from the substantially full width to about half the width.
  • the design of the pairs of disks makes it possible to form a heat exchanger consisting of a series of disk pairs, each of which forms both a first flow channel connected to an inlet header and an outlet header and a second flow channel likewise provided with an inlet header and an outlet header is.
  • the cups which are connected in series with each other, the respective inlet collector and outlet collector.
  • the respective disk pair consists of two opposing disks, wherein between the two disks, a partition wall or a partition plate is provided, which separates the flow channels of the respective disks from each other.
  • the separating plate serves to separate the opposing fluid streams through the flow channels, wherein the wells of the individual pairs of disks, which are arranged in series with one another, form the fluid inlet collector or the fluid outlet collector.
  • FIG. 28 shows the schematic arrangement of disk pairs 400, 401, which have an inlet-side cup 402 and an outflow-side cup 403.
  • the fluid flow takes place from the inlet-side bowl 402 through the flow channel 401 to a passage 404, from where the fluid can flow into the second flow channel 400 in order to flow to the bowl 403.
  • this is carried out in each case, the two flow channels 400 and 401 being operated in countercurrent to one another.
  • FIG. 29 shows this in an enlarged view.
  • the pair of discs 401, 400 is provided with ribs 405 on both sides for the flow around air.
  • the heat exchanger consists of a series of disk pairs, each having in half both a first flow channel connected to the inlet header or bowl and a second flow channel connected to the outlet header or bowl.
  • the pair of discs is in turn made of two facing discs and an intermediate therebetween separating plate composed.
  • the separating plate is used to separate the opposing fluid streams, the interconnected cups of the arrayed pairs of discs form on the one hand the fluid inlet header for distributing the fluid to the individual first flow channels, and on the other hand the fluid outlet header for collecting the fluid from the individual second flow channels.
  • the fluid inlet disc 311 is a flow connection between the flow channel 313 and the fluid inlet cup coined, wherein the fluid disc 312 is a connection between the flow channel 314 and the fluid outlet cup ,
  • connection embossings can be carried out alternately in the disk tool and thus both disks are produced in one and the same tool with a replacement set. This reduces tool costs and increases the number of identical parts.
  • the heat exchanger described above is flowed through such that a fluid, such as, for example, refrigerant or coolant, etc., is introduced via the first collector as an inlet collector, e.g. on the block top into which a first disc channel half 311 flows, then via a connecting element between the two opposite collectors, referred to as inlet collector and outlet collector on the block bottom, is transferred to the second disc channel half 312, flows through this and then from this second channel half via the second Collector, as exit collector then again referred to the block top, again flows out.
  • a fluid such as, for example, refrigerant or coolant, etc.
  • the advantage of this type of flow is in the homogenization of the temperature profile, for example as an evaporator, by equalizing the different temperatures of the countercurrent fluid flows due to the Heat transfer between the two channel halves on the one hand, and on the other hand by equalizing the temperature of the air flowing around the two channel halves.
  • the connecting element between the two opposing collectors on the underside of the block may be a separate connecting part or else in a side part with integrated deflection channel or the like. be executed.
  • the fluid is simultaneously distributed via the inlet header to all first disc channel halves 311 arranged in parallel and, according to the deflection, distributed on all second disc channel halves 312 by means of connecting element.
  • a multi-block interconnection if the fluid is distributed only to a certain number of first disc channel halves 311 arranged in parallel at the same time, then the fluid transfer from one collector to the adjacent collector takes place directly in the discs, e.g. via impressed connection channels between the adjacent collecting cups of a disc, before then, after flowing through the second disc channel halves 312, the fluid is forwarded to the next block and there again the same distribution process as in the first block is continued.
  • the heat exchanger in particular the disk evaporator, can alternatively also be designed in a single-tank design, that is to say with only one tank on one side of the heat exchanger
  • the interconnection of the individual modules can be varied depending on the arrangement and / or embodiment.
  • the temperature of the flowing refrigerant through the evaporator sets much faster at a lower average temperature level and the overheating zone can be reduced to a minimum in the evaporator. This results in a high driving average temperature gradient and an associated increase in performance.

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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)

Claims (11)

  1. Procédé de fabrication de plus de deux échangeurs de chaleur différents (30, 70) qui sont fabriqués au moyen d'un module servant à la fabrication d'échangeurs de chaleur (30, 70), ledit module comprenant au moins deux types de coeurs d'échangeurs de chaleur (1, 2, 31, 32), où le module comprend :
    un coeur d'échangeur de chaleur (1, 31) du premier type comprenant une multiplicité de paires de plaques (3) servant à la réalisation d'une multiplicité de trajets d'écoulement parallèles formés entre les paires de plaques (3) et
    un coeur d'échangeur de chaleur (2, 32) du deuxième type comprenant une multiplicité de groupes de trois plaques (7) servant à la réalisation d'une multiplicité de deux trajets d'écoulement parallèles, un trajet d'écoulement étant formé à chaque fois entre deux des trois plaques,
    où les échangeurs de chaleur différents, qui sont plus de deux, sont sélectionnés parmi :
    un deuxième échangeur de chaleur (30) comprenant deux coeurs d'échangeur de chaleur (1, 31) du premier type, où les deux coeurs d'échangeur de chaleur (1, 31) du premier type sont disposés en étant contigus l'un par rapport à l'autre, dans la direction d'écoulement de l'air,
    un troisième échangeur de chaleur comprenant un coeur d'échangeur de chaleur du premier type (1) et comprenant un coeur d'échangeur de chaleur (2) du deuxième type, où le coeur d'échangeur de chaleur (1) du premier type et le coeur d'échangeur de chaleur (2) du deuxième type sont disposés en étant contigus l'un par rapport à l'autre, dans la direction d'écoulement de l'air,
    un quatrième échangeur de chaleur (70) comprenant deux coeurs d'échangeur de chaleur (32) du deuxième type, où les deux coeurs d'échangeur de chaleur (32) du deuxième type sont disposés en étant contigus par rapport à l'autre, dans la direction d'écoulement de l'air,
    où il est prévu aussi, en option :
    un premier échangeur de chaleur comprenant un coeur d'échangeur de chaleur du premier type (1, 31) et
    un cinquième échangeur de chaleur comprenant un coeur d'échangeur de chaleur du deuxième type (2, 32).
  2. Procédé selon la revendication 1, caractérisé en ce que les coeurs d'échangeurs de chaleur (1, 31, 2, 32) du premier et / ou du deuxième type sont dotés de dispositifs de raccordement et / ou de dispositifs d'assemblage servant à l'entrée et / ou à l'évacuation et / ou au transfert de fluide se produisant dans les coeurs d'échangeurs de chaleur ou hors de ceux-ci ou entre ceux-ci.
  3. Procédé selon l'une des revendications précédentes, où le coeur d'échangeur de chaleur (1) du premier type est un coeur d'échangeur de chaleur du type à plaques servant à la formation d'un échangeur de chaleur, où le coeur de l'échangeur de chaleur est conçu en ayant une multiplicité de paires de plaques (3) servant à la formation de premiers trajets d'écoulement (13, 23), où deux plaques d'une paire de plaques forment à chaque fois, entre elles, le premier trajet d'écoulement, et une zone d'espace pour des deuxièmes trajets d'écoulement est formée à chaque fois entre des groupes de plaques contigus.
  4. Procédé selon l'une quelconque des revendications précédentes, où le coeur d'échangeur de chaleur (2) du deuxième type est un coeur d'échangeur de chaleur du type à plaques servant à la formation d'un échangeur de chaleur, où le coeur de l'échangeur de chaleur est conçu en ayant une pluralité de groupes de plaques (7) servant à la formation de troisièmes et de quatrièmes trajets d'écoulement, où le troisième trajet d'écoulement est formé à chaque fois entre une première et une deuxième plaque d'un groupe de plaques, le quatrième trajet d'écoulement étant formé à chaque fois entre une deuxième plaque et une troisième plaque du groupe de plaques, et une zone d'espace pour des cinquièmes trajets d'écoulement est formée à chaque fois entre des groupes de plaques contigus.
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce qu'au moins des plaques individuelles présentent, comme zones de raccordement et d'assemblage, des ouvertures et / ou des cuvettes (5, 6) et, pour la formation de trajets d'écoulement, présentent des structures, telles que des bosselages, formant des conduits entre des zones de raccordement.
  6. Procédé selon la revendication 3 ou 5, caractérisé en ce que la première plaque et la seconde plaque de la paire de plaques (3) présentent à chaque fois une zone de raccordement placée au niveau de deux zones d'extrémités opposées, ladite zone de raccordement servant d'entrée ou de sortie du premier conduit d'écoulement et, pour la formation du premier trajet d'écoulement, présentent à chaque fois une structure formant des conduits entre les deux zones de raccordement.
  7. Procédé selon la revendication 3 ou 5, caractérisé en ce que la première plaque et / ou la deuxième plaque de la paire de plaques (3) présente deux zones de raccordement au niveau d'une zone d'extrémité, lesdites zones de raccordement servant d'entrée ou de sortie du premier trajet d'écoulement et, pour la formation du premier trajet d'écoulement, présente à chaque fois une structure formant des conduits entre les deux zones de raccordement.
  8. Procédé selon la revendication 4 ou 5, caractérisé en ce que la première plaque, la deuxième plaque et la troisième plaque du groupe de plaques (7) présentent à chaque fois deux zones de raccordement placées au niveau de deux zones d'extrémités opposées, lesdites zones de raccordement servant d'entrée ou de sortie du troisième trajet d'écoulement ou du quatrième trajet d'écoulement, où la première plaque et la deuxième plaque présentent à chaque fois, entre une zone de raccordement opposée, pour la formation du troisième et du quatrième trajet d'écoulement, une structure formant des conduits entre l'une des deux zones de raccordement, où la troisième plaque placée entre la première et la deuxième plaque est prévue comme paroi de séparation placée entre le troisième et le quatrième trajet d'écoulement.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la distance séparant les paires de plaques (3) ou les groupes de plaques (7) d'un coeur d'échangeur de chaleur est choisie, pour la formation du deuxième et / ou du cinquième trajet d'écoulement, de manière telle, que ladite distance, dans le cas de coeurs d'échangeur de chaleur contigus d'un échangeur de chaleur, soit identique, ou bien qu'elle soit différente, en étant plus petite ou plus grande, comme dans le cas du coeur d'échangeur de chaleur contigu.
  10. Procédé selon la revendication 9, caractérisé en ce que la profondeur des conduits d'écoulement, perpendiculairement au plan qui est déployé à travers les paires de plaques (3) ou à travers les groupes de plaques (7), peut être choisie individuellement pour chaque conduit d'écoulement.
  11. Procédé selon au moins l'une quelconque des revendications précédentes 9 ou 10, caractérisé en ce que des paires de plaques (3) sont formées à partir d'un agencement de plaques, réalisé par paires et comprenant une paroi de séparation placée entre des plaques contiguës, lesquelles plaques forment des paires de conduits d'écoulement, caractérisé en ce que les conduits d'écoulement d'une paire de plaques sont traversés par un flux circulant en sens opposé.
EP12812272.8A 2011-12-30 2012-12-21 Méthode de fabrication d'au moins deux échangeurs de chaleur différents Not-in-force EP2798297B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011090182A DE102011090182A1 (de) 2011-12-30 2011-12-30 Baukasten für Wärmeübertrager, einen Wärmeübertragerkern und einen Wärmeübertrager
PCT/EP2012/076859 WO2013098277A1 (fr) 2011-12-30 2012-12-21 Module pour transmetteur de chaleur, cœur de transmetteur de chaleur et transmetteur de chaleur

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EP2798297A1 EP2798297A1 (fr) 2014-11-05
EP2798297B1 true EP2798297B1 (fr) 2018-02-21

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WO (1) WO2013098277A1 (fr)

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CN204188026U (zh) 2015-03-04
DE102011090182A1 (de) 2013-07-04
EP2798297A1 (fr) 2014-11-05
WO2013098277A1 (fr) 2013-07-04
US20140374072A1 (en) 2014-12-25

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