EP2638350B1 - Flüssigkeits-/fluidwärmetauscher - Google Patents

Flüssigkeits-/fluidwärmetauscher Download PDF

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Publication number
EP2638350B1
EP2638350B1 EP11781518.3A EP11781518A EP2638350B1 EP 2638350 B1 EP2638350 B1 EP 2638350B1 EP 11781518 A EP11781518 A EP 11781518A EP 2638350 B1 EP2638350 B1 EP 2638350B1
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EP
European Patent Office
Prior art keywords
fluid
heat exchanger
inlet
outlet
plates
Prior art date
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Application number
EP11781518.3A
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English (en)
French (fr)
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EP2638350A1 (de
Inventor
Christophe Denoual
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Valeo Systemes Thermiques SAS
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Valeo Systemes Thermiques SAS
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Priority to PL11781518T priority Critical patent/PL2638350T3/pl
Publication of EP2638350A1 publication Critical patent/EP2638350A1/de
Application granted granted Critical
Publication of EP2638350B1 publication Critical patent/EP2638350B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/0056—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles

Definitions

  • the invention is in the field of heating, ventilation and / or air conditioning systems equipping a motor vehicle. It relates to a heat exchanger integrated in an air conditioning loop and / or a secondary loop of such a heating, ventilation and / or air conditioning system. It also relates to an air conditioning loop equipped with such a heat exchanger.
  • An exchanger according to the preamble of claim 1 is known from US 5964283 .
  • a heat exchanger comprises a bundle of tubes formed by a stack of first tubes for the circulation of a first fluid. Between two first adjacent tubes, is created a passage for the circulation of a second fluid.
  • Such a heat exchanger is provided with inlet and outlet orifices of the first fluid to ensure a circulation of the first fluid in the heat exchanger.
  • the heat exchanger is also provided with inlet and outlet ports of the second fluid to ensure a circulation of the second fluid in the heat exchanger.
  • the inlet and outlet ports of the first fluid and the second fluid are arranged on an end face of the heat exchanger. They are generally arranged near respective corners of the end face.
  • a heat exchanger is particularly known from the document FR 2 891 615 .
  • the inlet and the outlet of the same fluid are spaced apart from each other. It is therefore necessary to arrange a set of pipes for connecting the heat exchanger to the air conditioning loop and / or the secondary loop of the heating, ventilation and / or air conditioning system. This increases the overall size and impairs the compactness of the heating, ventilation and / or air conditioning system.
  • Such positioning of the fluid inlet and outlet ports constitutes a constraint for the integration of the heat exchanger in an air-conditioning system fitted to a motor vehicle, in particular in an air-conditioning loop, inside which circulates a refrigerant, such as those known under the name R744, R134a or the like, or in a secondary loop inside which circulates a coolant, such as a mixture of water and glycol or the like.
  • a refrigerant such as those known under the name R744, R134a or the like
  • a secondary loop inside which circulates a coolant, such as a mixture of water and glycol or the like.
  • connection of such a heat exchanger in the air conditioning loop and / or in the secondary loop frequently requires pipes having a complex configuration which are sources of pressure losses.
  • an additional component in particular an expansion member or the like, comprises the inlet and outlet orifices having a reduced spacing. It is therefore necessary to define a complicated path of tubing to connect the inlet and outlet ports of the heat exchanger and the inlet and outlet ports of the additional component. Alternatively, it is necessary to have a complementary connecting piece. All of these solutions increase the manufacturing costs, the size and weight of a heating, ventilation and / or air conditioning system.
  • the object of the present invention is to provide a heat exchanger ensuring an efficient heat transfer between a first fluid and a second fluid, the heat exchanger providing connection to an air conditioning loop and / or a secondary loop of a heating, ventilation and / or air conditioning system equipping a motor vehicle, which are simple, easy, flexible and optimized to include allowing connection of an additional component having a relatively arbitrary distance.
  • Such a heat exchanger providing thermal transfer between a first fluid and a second fluid comprises a stack of plates comprising a last plate and a penultimate plate jointly defining an end chamber, the last plate being provided with at least one inlet of the second fluid and an outlet of the second fluid, the stack of plates defining an inlet passage of the second fluid and an outlet passage of the second fluid.
  • the end chamber houses a conduit means having an inlet flow channel for channeling the second fluid between the inlet of the second fluid and the inlet passage of the second fluid and an outlet circulation channel for channeling the second fluid between the outlet of the second fluid and the outlet passage of the second fluid.
  • the channeling means is constituted by an insert housed in the end chamber.
  • the insert is formed by at least one blade.
  • the blade has a bottom wall and a contour interconnected by a side wall.
  • the bottom wall is in contact with the penultimate plate of the stack of plates and the contour is in contact with the last plate of the stack of plates.
  • the inlet circulation channel and the outlet circulation channel of the second fluid are delimited by the insert and the last plate.
  • the insert is formed by two blades assembled together. According to this arrangement, the bottom wall of one of the blades is in contact with the penultimate plate of the stack of plates, the bottom wall of the other of the blades is in contact with the last plate of the stack of plates and the respective contours of the blades is in mutual contact.
  • the insert consists of two disjoint distribution compartments.
  • the two distribution compartments are identical.
  • the insert consists of a distribution device, formed of a single piece, comprising two distribution chambers.
  • the two distribution chambers are arranged in a point symmetry with respect to each other.
  • the inlet circulation channel and the outlet circulation channel of the second fluid are orthogonal to the inlet passage of the second fluid and the outlet passage of the second fluid.
  • the inlet of the second fluid and the outlet of the second fluid are arranged in a central zone of the last plate of the stack of plates.
  • An air conditioning loop comprises a heat exchanger as previously defined.
  • the air conditioning loop comprises a connecting element comprising an inlet opening and an outlet opening for the second fluid and a major axis passing through the centers of the intake opening and the opening of the evacuation.
  • the major axis forms an angle between 0 ° and 90 ° with a first central axis of the last plate stack of plates.
  • FIGS 1 and 2 are schematic views of a heating, ventilation and / or air conditioning system 1 incorporating a heat exchanger according to the present invention.
  • the heating, ventilation and / or air conditioning system 1, presented on Figures 1 and 2 is intended to equip a motor vehicle to change the aerothermal parameters of an interior air flow 8 to be distributed inside a passenger compartment of the motor vehicle.
  • the heating, ventilation and / or air conditioning system 1 comprises an air conditioning loop 2 inside which circulates a refrigerant, such as one of those known under the name R744, R134a or the like.
  • the air conditioning loop 2 comprises a compressor 3, able to compress the refrigerant fluid, a first heat exchanger 4, in particular an air / refrigerant heat exchanger 4, able to function as a condenser 4 and traversed by a flow of outside air, an expansion member 5, able to relax the cooling fluid, and an accumulator 6, able to create a refrigerant storage zone and prevent an intake of coolant in the liquid state inside the compressor 3 .
  • the figure 1 illustrates a first embodiment of the heating, ventilation and / or air-conditioning system 1.
  • the air conditioning loop 2 comprises a second heat exchanger 7, able to function as an evaporator 7, traversed by the internal air flow 8.
  • the inner air flow 8 is able to cool and / or to dehumidify, prior to its diffusion inside the passenger compartment.
  • the air conditioning loop 2 also comprises an internal heat exchanger 9 provided to allow heat transfer between the refrigerant fluid inside a high pressure circulation channel 10 of the internal heat exchanger 9 and the refrigerant present inside a low pressure circulation channel 11 of the internal heat exchanger 9.
  • the high pressure circulation channel 10 extends between a high pressure inlet 12 and a high pressure outlet 13 of the internal heat exchanger 9.
  • the low pressure circulation channel 11 extends between a low pressure inlet 14 and an outlet low pressure 15 of the internal heat exchanger 9.
  • the refrigerant circulates successively in the compressor 3, the first heat exchanger 4, the high pressure circulation channel 10 of the exchanger internal heat exchanger 9, the expansion element 5, the second heat exchanger 7, the accumulator 6, the low-pressure circulation channel 11 of the internal heat exchanger 9 and the compressor 3.
  • the figure 2 illustrates a second alternative embodiment of the heating, ventilation and / or air conditioning system 1.
  • the heating, ventilation and / or air conditioning system 1 comprises a refrigerant / heat transfer fluid heat exchanger 17 provided to allow a heat transfer between the refrigerant circulating inside the air conditioning loop 2 and a coolant circulating inside a secondary loop 18.
  • the coolant is, for example, consisting of a mixture of water and glycol.
  • the refrigerant / heat transfer fluid heat exchanger 17 is arranged in the air conditioning loop 2 and in the secondary loop 18.
  • the refrigerant / heat transfer fluid heat exchanger 17 comprises a refrigerant circulation channel 19 which extends between a fluid inlet refrigerant 20 and a refrigerant output 21.
  • the refrigerant / heat transfer fluid heat exchanger 17 also comprises a heat transfer fluid circulation channel 22 which extends between a heat transfer fluid inlet 23 and a heat transfer fluid outlet 24.
  • the secondary loop 18 comprises a pump 25, intended to circulate the coolant, and a third heat exchanger 26, or heater 26, through which the inner air flow 8 prior to its distribution inside. of the passenger compartment of the motor vehicle.
  • the heat transfer fluid circulates successively in the pump 25, the refrigerant fluid heat exchanger / coolant 17, the fluid circulation channel coolant 22, then through the third heat exchanger 26 and the pump 25.
  • the coolant circulates, inside the air conditioning loop 2 in the direction of circulation 16 of the refrigerant, successively in the compressor 3, the first heat exchanger 4, the expansion member 5, the channel refrigerant circulation 19, the accumulator 6 and the compressor 3.
  • the refrigerant / heat transfer fluid heat exchanger 17 may be arranged in other positions in the air conditioning loop 2.
  • the heating, ventilation and / or air conditioning system 1 comprises an internal heat exchanger 9, in a configuration as described in FIG. figure 1 , and a refrigerant / heat transfer fluid heat exchanger 17, in a configuration as described in FIG. figure 2 .
  • the figure 3 is a perspective view of the exchanger of a heat exchanger 110 according to the present invention.
  • the heat exchanger 100 is able to ensure indifferently the function of internal heat exchanger 9, in the configuration illustrated in FIG. figure 1 , or of a refrigerant / heat transfer fluid heat exchanger 17, in the configuration illustrated in FIG. figure 2 .
  • the heat exchanger 100 is able to allow a heat transfer between a first fluid, such as a refrigerant fluid at low or high pressure, and a second fluid, such as the refrigerant fluid at low or high pressure, or the coolant.
  • a first fluid such as a refrigerant fluid at low or high pressure
  • a second fluid such as the refrigerant fluid at low or high pressure
  • the heat exchanger 100 comprises a circulation channel of the first fluid 110 which extends between an inlet of the first fluid 111 and an outlet of the first fluid 112.
  • the heat exchanger 100 also comprises a circulation channel of the second fluid 120 which extends between an inlet of the second fluid 121 and an outlet of the second fluid 122.
  • the first fluid consists of the high pressure refrigerant and the second fluid is the low pressure refrigerant.
  • the circulation channel of the first fluid 110 consists of the high pressure circulation channel 10, the inlet of the first fluid 111 corresponding to the high pressure inlet 12 and the outlet of the first fluid 112 corresponding to the high pressure outlet 13.
  • the circulation channel of the second fluid 120 is constituted by the low pressure circulation channel 11, the inlet of the second fluid 121 corresponding to the low pressure inlet 14 and the outlet of the second fluid 122 corresponding to the low outlet pressure 15.
  • the first fluid consists of the refrigerant fluid at low pressure and the second fluid consists of the high pressure refrigerant fluid.
  • the first fluid consists of the refrigerant fluid and the second fluid is the heat transfer fluid.
  • the flow channel of the first fluid 110 is constituted by the refrigerant circulation channel 19, the inlet of the first fluid 111 corresponding to the refrigerant inlet 20 and the outlet of the first fluid 112 corresponding to the outlet
  • the circulation channel of the second fluid 120 is constituted by the coolant circulation channel 22, the inlet of the second fluid 121 corresponding to the coolant inlet 23 and the outlet of the second fluid 122. corresponding to the heat transfer fluid outlet 24.
  • the first fluid consists of the coolant and the second fluid consists of the coolant.
  • the heat exchanger 100 comprises an end face 123 on which are arranged the inlet of the first fluid 111, the outlet of the first fluid 112, the inlet of the second fluid 121 and the outlet of the second fluid 122.
  • the first fluid and the second fluid enters the heat exchanger 100 and is discharged out of the heat exchanger 100 at the end face 123.
  • the end face 123 may be provided only with the inlet of the first fluid 111 and the outlet of the first fluid 112, or alternatively the inlet of the second fluid 121 and the output of the second fluid 122.
  • the heat exchanger 100 according to the present invention is a heat exchanger comprising a circulation channel of the first fluid 110 and / or a circulation channel of the second fluid 120 which is indifferently arranged in "I", "U” Or any other arrangement, being considered that the heat exchanger 100 according to the present invention jointly comprises an inlet and an outlet of at least one same fluid on the end face 123.
  • the heat exchanger 100 is of generally parallelepipedal shape. However, the heat exchanger 100 is likely to take other forms.
  • the heat exchanger 100 is preferably a plate heat exchanger consisting mainly of a stack of plates 124.
  • the plates 124 are of substantially planar and rectangular conformations and have a depth P, according to the invention. a first direction, and a width L, in a second direction.
  • the first direction is perpendicular to the second direction.
  • the plates 124 also have parts of different depths, especially obtained by stamping.
  • the figures 4 and 5 are, respectively, a partially exploded view and an exploded view of the heat exchanger 110 of the figure 3 .
  • the heat exchanger 110 is constituted by a stack of plates 124.
  • Two contiguous plates 124 are secured to one another via their peripheral edge 125 to form the circulation tubes of the first fluid and the second fluid.
  • the heat exchanger 100 comprises a plurality first flow chambers of the first fluid 126a and a plurality of second flow chambers of the second fluid 126b, alternately arranged to each other.
  • Such an alternating arrangement of the first flow chambers of the first fluid 126a and the second flow chambers of the second fluid 126b makes it possible to optimize the heat transfer between the first fluid and the second fluid.
  • One of the plates 124 of the heat exchanger 100 has the end face 123.
  • the heat exchanger 100 comprises an end chamber 126c.delimits by the last plate 124 and a penultimate plate 124 of the stack of plates 124 constituting the heat exchanger 100.
  • the penultimate plate 124 is contiguous with the last plate 124.
  • the end chamber 126c is indifferently a first circulation chamber 126a of the first fluid or a second circulation chamber 126b of the second fluid, according to various embodiments of the heat exchanger 100.
  • the chamber end 126c is a second flow chamber 126b of the second fluid.
  • the end chamber 126c houses at least one channeling means 127, in particular an insert 127, making it possible to channel the second fluid, on the one hand, from the inlet of the second fluid 121 to a passageway the circulation inlet 130 of the second fluid formed in the plate assembly 124, and secondly, from a circulation outlet passage 131 of the second fluid formed in the plate assembly 124 towards the outlet of the second fluid 122.
  • the channeling means 127 in particular the insert 127, comprises an inlet circulation channel 128a for channeling the second fluid between the inlet of the second fluid 121 and the circulation inlet passage 130 of the second fluid and an inlet flow channel 128b for channeling the second fluid between the outlet of the second fluid 122 the flow outlet passage 131 of the second fluid.
  • the end chamber 126c houses the two circulation channels 128a and 128b of the second fluid.
  • the inlet of the second fluid 121 and the outlet of the second fluid 122 may be formed in a relatively arbitrary area of the end face 123 of the heat exchanger 100.
  • the inlet of the second fluid 121 and the outlet of the second fluid 122 may be arranged in a central zone 129 of the last plate 124 of the stack of plates 124.
  • the central zone 129 is defined as a zone of the outer face 123 of the last plate 124 arranged on either side of a first median axis x, in the first direction, and a second median axis y, in the second direction, of the last plate 124.
  • the central zone 129 is less than 30% of the depth P and / or the width L of the last plate 124.
  • the presence of the inlet flow channel 128a and the inlet flow channel 128b of the second fluid within the end chamber 126c provides significant flexibility for positioning the inlet of the second fluid 121 and the leaving the second fluid 122 through the last plate 124.
  • the inlet circulation channel 128a of the second fluid connects the inlet of the second fluid 121 to the circulation inlet passage 130 of the second fluid which extends through all of the plates 124, except the last plate 124.
  • the circulation inlet passage 130 of the second fluid interconnects the second circulation chambers 126b of the second fluid.
  • the outlet circulation channel 128b of the second fluid connects the circulation outlet passage 131 of the second fluid, which extends through all the plates. 124 except the last plate 124 at the outlet of the second fluid 122.
  • the circulation outlet passage 131 of the second fluid interconnects the second circulation chambers 126b of the second fluid.
  • the inlet circulation channel 128a of the second fluid is orthogonal to the circulation inlet passage 130 of the second fluid and the outlet circulation channel 128b of the second fluid is orthogonal to the circulation outlet passage 131 of the second fluid. fluid.
  • the insert 127 is housed in the end chamber 126c in which the first fluid flows, the insert 127 for channeling the second fluid.
  • the insert 127 includes the inlet circulation channel 128a and the outlet circulation channel 128b of the second fluid, disposed in the end chamber 126c for the circulation of the first fluid.
  • the inlet circulation channel 128a and the outlet circulation channel 128b of the second fluid are made in the form of an additional part constituted by the insert 127.
  • the insert 127 is disposed in the end chamber 126c, between the last plate 124 and the penultimate plate 124 of the stack of plates 124 constituting the exchanger of heat 100.
  • FIGS. 6 and 7 are partial schematic views of respective embodiments of the heat exchanger 100 according to the present invention.
  • the channel of inlet circulation 128a and the outlet circulation channel 128b of the second fluid are made through the insert 127 housed inside the end chamber 126c, between the last plate 124 and the front-end. last plate 124 of the stack of plates 124 constituting the heat exchanger 100.
  • the insert 127 is formed of a single blade 132.
  • the blade 132 is made from a strip, for example metal, stamped.
  • the blade 132 has a bottom wall 132a and a contour 132b.
  • the bottom wall 132a and the contour 132b are interconnected by a side wall 132c.
  • the bottom wall 132a is in contact with the penultimate plate 124 of the stack of plates 124 and the contour 132b. is in contact with the last plate 124 of the stack of plates 124.
  • the insert 127 is assembled to the last plate 124 and the penultimate plate 124 of the stack of plates 124, preferably by brazing or the like.
  • the inlet circulation channel 128a and the outlet circulation channel 128b of the second fluid are delimited by the insert 127 and the last plate 124.
  • the inlet circulation channel 128a and the outlet circulation channel 128b of the second fluid are made through the insert 127 housed inside the end chamber 126c between the last plate 124 and the penultimate plate 124 of the stack of plates 124 constituting the heat exchanger 100.
  • the insert 127 is formed by an assembly between them of two blades 133.
  • Each blade 133 is made from a strip, for example metal, stamped.
  • each blade 133 has a bottom wall 133a and a contour 133b interconnected by a side wall 133c.
  • the two blades 133 are assembled together so that their respective contours 133b are in contact.
  • the bottom wall 133a of one of the blades 133 is in contact with the penultimate plate 124 of the stack of plates 124 while the bottom wall 133a of the other blade 133 is in contact with the last plate 124 of the stack of plates 124 .
  • the insert 127 is assembled to the last plate 124 and the penultimate plate 124 of the stack of plates 124, preferably by brazing or the like.
  • the inlet circulation channel 128a and the outlet circulation channel 128b of the second fluid are delimited by the insert 127, in an interior space between the two blades 133.
  • the blade 133 in contact with the last plate 124 has circulation openings 134 cooperating respectively with the inlet of the second fluid 121 and the outlet of the second fluid 122.
  • each blade 133 is formed of a strip, for example metal, assembled, in particular by brazing or the like, on the last plate 124 and the penultimate plate 124.
  • FIGS 8a and 8b are schematic views of two embodiments of the insert 127 according to the present invention.
  • the insert 127 consists of two distribution compartments 135a and 135b disjoint.
  • the two distribution compartments 135a and 135b are identical.
  • the two distribution compartments 135a and 135b are arranged in point symmetry with respect to one another. Accordingly, the two distribution compartments 135a and 135b respectively define the input circulation channel 128a and the output circulation channel 128b.
  • insert 127 consists of a dispensing device 136, consisting of a single piece, comprising two distribution chambers 136a and 136b.
  • the two distribution chambers 136a and 136b are identical.
  • the two distribution chambers 136a and 136b are arranged in point symmetry with respect to each other.
  • constituent walls of the insert 127 advantageously extend, respectively, in the first direction and the second direction, as shown on the figure 8a .
  • at least one of the constituent walls of the insert 127 may form an angle with the first direction and / or the second direction, as presented on the figure 8b .
  • Such particular arrangements make it possible to locate the inlet of the second fluid 121 and the outlet of the second fluid 122 in an optimal configuration.
  • FIGS 9a to 9c are schematic views of the last plate 24 of the heat exchanger 100 according to respective integration variants in the air conditioning loop 2 of the air conditioning system 1.
  • the last plate 124 is provided with a connecting element 140 for connecting the heat exchanger 100 to the other components of the air conditioning loop 2 and / or the secondary loop 18 of the air conditioning system 1.
  • the connecting element 140 is the expansion member 5 of the air conditioning loop 2 or any other constituent component of the air conditioning loop 2 and / or the secondary loop 18.
  • the connecting element 140 comprises an inlet opening 141 and an outlet opening 142 of the second fluid which are, respectively, in fluidic relation with the inlet of the second fluid 121 and the outlet of the second fluid 122.
  • the connecting member 140 has a major axis A passing through the centers of the inlet opening 141 and the discharge opening 142.
  • the connecting element 140 is positioned so that the major axis A forms a given angle with the first median axis x, between 0 ° and 90 °, for example of the order of 45 °.
  • the angle is 0 °
  • the angle is equal to 90 °
  • the angle is equal to 45 °.

Claims (12)

  1. Wärmetauscher (100), der eine thermische Übertragung zwischen einem ersten Fluid und einem zweiten Fluid gewährleistet, wobei der Wärmetauscher (100) einen Plattenstapel (124) umfasst, der eine letzte Platte (124) und eine vorletzte Platte (124) aufweist, die gemeinsam eine Stirnkammer (126c) begrenzen, wobei die letzte Platte (124) mit wenigstens einem Einlass (121) für das zweite Fluid und mit einem Auslass (122) für das zweite Fluid versehen ist, wobei der Plattenstapel (124) einen Einlassdurchgang (130) für das zweite Fluid und einen Auslassdurchgang (131) für das zweite Fluid definiert, wobei die Stirnkammer (126c) ein Leitungsmittel (127) aufnimmt, das einen Einlasszirkulationskanal (128a), der ermöglicht, das zweite Fluid zwischen dem Einlass (121) für das zweite Fluid und dem Einlassdurchgang (130) für das zweite Fluid zu leiten, und einen Ausgangsleitungskanal (128b), der ermöglicht, das zweite Fluid zwischen dem Ausgang (122) für das zweite Fluid und dem Auslassdurchgang (131) für das zweite Fluid zu leiten, umfasst, wobei das Leitungsmittel (127) durch einen Einsatz (127) gebildet ist, der in der Stirnkammer (126c) aufgenommen ist, dadurch gekennzeichnet, dass der Einsatz (127) durch wenigstens ein Plättchen (132, 133) gebildet ist, das eine Bodenwand (132a, 133a) und einen Umfang (132b, 133b), die miteinander durch eine Seitenwand (132c, 133c) verbunden sind, aufweist.
  2. Wärmetauscher (100) nach Anspruch 1, dadurch gekennzeichnet, dass die Bodenwand (132a) mit der vorletzten Platte (124) des Plattenstapels (124) in Kontakt ist und dass der Umfang (132b) mit der letzten Platte (124) des Plattenstapels (124) in Kontakt ist.
  3. Wärmetauscher (100) nach Anspruch 2, dadurch gekennzeichnet, dass der Einlassleitungskanal (128a) und der Auslassleitungskanal (128b) für das zweite Fluid durch den Einsatz (127) und die letzte Platte (124) begrenzt sind.
  4. Wärmetauscher (100) nach Anspruch 1, dadurch gekennzeichnet, dass der Einsatz (127) durch zwei zusammengefügte Plättchen (133) gebildet ist, wobei die Bodenwand (133a) eines der Plättchen (133) mit der vorletzten Platte (124) des Plattenstapels (124) in Kontakt ist, wobei die Bodenwand (133a) des anderen Plättchens (133) mit der letzten Platte (124) des Plattenstapels (124) in Kontakt ist und die jeweiligen Umfänge (133b) der Plättchen (133) in gegenseitigem Kontakt sind.
  5. Wärmetauscher (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Einsatz (127) aus zwei getrennten Verteilungsfächern (135a, 135b) gebildet ist.
  6. Wärmetauscher (100) nach Anspruch 5, dadurch gekennzeichnet, dass die zwei Verteilungsfächer (135a, 135b) gleich sind.
  7. Wärmetauscher (100) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Einsatz (127) aus einer Verteilungsvorrichtung (136) gebildet ist, die zwei Verteilungskammern (136a, 136b) umfasst.
  8. Wärmetauscher (100) nach Anspruch 7, dadurch gekennzeichnet, dass die zwei Verteilungskammern (136a, 136b) gemäß einer gegenseitigen Punktsymmetrie angeordnet sind.
  9. Wärmetauscher (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Einlassleitungskanal (128a) und der Auslassleitungskanal (128b) für das zweite Fluid zu dem Einlassdurchgang (130) für das zweite Fluid und dem Auslassdurchgang (131) für das zweite Fluid senkrecht sind.
  10. Wärmetauscher (100) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Einlass (121) für das zweite Fluid und der Auslass (122) für das zweite Fluid in einer Mittelzone (129) der letzten Platte (124) des Plattenstapels (124) angeordnet sind.
  11. Klimatisierungskreis (2) und/oder Sekundärkreis (18), die einen Wärmetauscher (100) nach einem der vorhergehenden Ansprüche umfassen.
  12. Klimatisierungskreis (2) und/oder Sekundärkreis (18) nach Anspruch 11, dadurch gekennzeichnet, dass der Klimatisierungskreis (2) und/oder der Sekundärkreis (18) ein Verbindungselement (140) umfassen, das eine Zufuhröffnung (141) und eine Entleerungsöffnung (142) für das zweite Fluid umfasst und eine große Achse (A) besitzt, die durch die Zentren der Zufuhröffnung (141) und der Entleerungsöffnung (142) verläuft, und dass die große Achse (A) mit einer ersten Medianachse der letzten Platte (124) des Plattenstapels (124) einen Winkel im Bereich von 0° bis 90° bildet.
EP11781518.3A 2010-11-10 2011-11-07 Flüssigkeits-/fluidwärmetauscher Active EP2638350B1 (de)

Priority Applications (1)

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PL11781518T PL2638350T3 (pl) 2010-11-10 2011-11-07 Wymiennik ciepła typu płyn-płyn

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1004404A FR2967248B1 (fr) 2010-11-10 2010-11-10 Echangeur de chaleur fluide/fluide
PCT/EP2011/069573 WO2012062714A1 (fr) 2010-11-10 2011-11-07 Echangeur de chaleur fluide/fluide.

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EP2638350B1 true EP2638350B1 (de) 2015-03-18

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FR (1) FR2967248B1 (de)
MX (1) MX2013005251A (de)
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WO (1) WO2012062714A1 (de)

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JP2017015278A (ja) * 2015-06-29 2017-01-19 カルソニックカンセイ株式会社 熱交換器
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FR2967248B1 (fr) 2015-01-23
JP5837605B2 (ja) 2015-12-24
MX2013005251A (es) 2013-07-05
WO2012062714A1 (fr) 2012-05-18
PL2638350T3 (pl) 2015-10-30
FR2967248A1 (fr) 2012-05-11
US20130292101A1 (en) 2013-11-07
JP2013543101A (ja) 2013-11-28
EP2638350A1 (de) 2013-09-18

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