EP3561433B1 - Ensemble échangeur thermique - Google Patents

Ensemble échangeur thermique Download PDF

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Publication number
EP3561433B1
EP3561433B1 EP18461554.0A EP18461554A EP3561433B1 EP 3561433 B1 EP3561433 B1 EP 3561433B1 EP 18461554 A EP18461554 A EP 18461554A EP 3561433 B1 EP3561433 B1 EP 3561433B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
housing
resilient material
exchanger assembly
exchanger core
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.)
Active
Application number
EP18461554.0A
Other languages
German (de)
English (en)
Other versions
EP3561433A1 (fr
Inventor
Dawid Szostek
Michal BELZOWSKI
Jugurtha Benouali
Yvan Lechat
Stephane Pernet
Fernando Pereira
Daniel Pereira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Autosystemy Sp zoo
Original Assignee
Valeo Autosystemy Sp zoo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Autosystemy Sp zoo filed Critical Valeo Autosystemy Sp zoo
Priority to EP18461554.0A priority Critical patent/EP3561433B1/fr
Publication of EP3561433A1 publication Critical patent/EP3561433A1/fr
Application granted granted Critical
Publication of EP3561433B1 publication Critical patent/EP3561433B1/fr
Active 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
    • 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
    • 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
    • F28D9/0006—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 plate-like or laminated conduits being enclosed within a pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2235/00—Means for filling gaps between elements, e.g. between conduits within casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/28—Safety or protection arrangements; Arrangements for preventing malfunction for preventing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations

Definitions

  • the present invention relates to heat exchangers, particularly, the present invention relates to a heat exchanger assembly for an air conditioning system of a vehicle.
  • a heat exchanger according to the preamble of claim 1 is disclosed in document DE 29 48 123 A1 .
  • heat exchangers In case of vehicle air conditioning systems, heat exchangers, particularly water condensers and chillers facilitate circulation of refrigerant fluid and coolant in adjacent yet separated spaces, to allow heat exchange between heat exchanging fluids.
  • the chiller facilitates extraction of heat from a battery pack.
  • the heat exchanger i.e. the chiller facilitates heat exchange between coolant and refrigerant fluid.
  • the coolant after extracting heat from the battery pack is cooled by the refrigerant from an air conditioning loop for ensuring a supply of cool coolant to the battery pack, thereby resulting in cooling of the battery pack.
  • the cooling of the battery pack prevents any damage thereto due to overheating and also ensures efficient operation thereof.
  • refrigerant gas loses heat energy by heat exchange, gets cooled, and condenses into liquid phase. Thereafter, the high pressure, high temperature liquid refrigerant passes through an expansion valve, wherein the expansion valve lowers the pressure of the refrigerant, and thereby cools it due to phase change of the liquid refrigerant.
  • the low pressure and low temperature refrigerant liquid and flash gas leaving the expansion valve flows at proper rate through various elements disposed along the air conditioning loop such as the evaporator and compressor to complete an air conditioning cycle.
  • the heat exchanger specifically, a condenser disposed in an air conditioning loop is connected to a compressor via aluminum-rubber hoses and receives compressed refrigerant in gaseous state from the compressor.
  • the compressor due to inherent nature of operation thereof creates vibration and pulsations in the refrigerant lines of the air conditioning loop. These vibrations reach the condenser. From the condenser, the vibrations are transmitted to a vehicle body. The vibrations generate unwanted noise, especially in case of electric vehicles. These vibrations may cause damage to critical elements mounted on the vehicle body. Conversely, the vibrations from the vehicle can be transferred to the air conditioning loop and damage its components.
  • Some condensers may be housed inside a housing that in turn is mounted on the vehicle body or frame via mountings and rubber dampers to prevent condenser vibration from reaching the vehicle body.
  • the heat exchanger core of the condenser along with the housing, mountings and rubber dampers are collectively referred to as heat exchanger assembly.
  • the rubber dampers may sometimes be ineffective in preventing condenser vibrations from reaching the vehicle body. Specifically, as the condenser is in direct contact with the housing, the vibrations are transmitted from the condenser to the vehicle body via the housing and the mountings in spite of the presence of the rubber dampers. The vibration and noise reaching the vehicle cabin may cause discomfort to vehicle occupants.
  • An object of the present invention is to provide a heat exchanger assembly for an air conditioning system that obviates the above mentioned drawbacks with associated conventional heat exchanger assembly that comprises a heat exchanger encapsulated by a dedicated housing.
  • the present invention envisages a heat exchanger assembly for an air conditioning system of a vehicle in accordance with an embodiment of the present invention.
  • the heat exchanger assembly includes a heat exchanger core and housing with walls that enclose the heat exchanger core.
  • the walls of the housing are spaced from the heat exchanger core, wherein the created space is filled at least partly by a resilient material so that the resilient material constitutes an exclusive connection between the housing and the heat exchanger core.
  • the resilient material fills the whole space between the housing and the heat exchanger core.
  • the housing is of plastic material.
  • the resilient material is foam.
  • the resilient material is rubber.
  • the resilient material is polyurethane foam.
  • the resilient material is Ethylene Propylene Diene Monomer (EPDM) foam.
  • the resilient material has stiffness in the range of 5-500 N/mm.
  • the heat exchanger core is a condenser.
  • the heat exchanger assembly may include auxiliary elements, which are located inside the housing and connected with the housing exclusively through the resilient material.
  • FIGURE 1a isometric view of a prior art heat exchanger assembly 10 that includes a housing 1 enclosing a heat exchanger core 2 and an auxiliary element such as for example, a receiver drier bottle 3 is illustrated.
  • the heat exchanger core 2 and the receiver drier bottle 3 are depicted with broken lines, while the housing 1 is depicted with solid lines.
  • the heat exchanger core 2 often vibrates during operation - in case of condensers, this may be due to operation of a compressor also attached in the AC loop.
  • a condenser is housed inside a housing 1 that in turn is mounted on a vehicle body or frame (not illustrated in FIGURE 1a ) via mounting elements 4 and a plurality of rubber dampers (rubber dumpers not illustrated in these drawings).
  • the mounting elements 4 may be for example flanges extending from the housing 1 for facilitating mounting of the housing 1.
  • FIGURE 1b schematic representation of another prior art heat exchanger assembly 20 including only a heat exchanger core 12 encapsulated by a housing 11 is depicted.
  • the heat exchanger core 12 is depicted with broken lines, while the housing 11 is depicted with solid lines.
  • the housing 11 in turn is mounted on a vehicle body or frame (not illustrated in FIGURE 1b ) via mounting elements 14 and a plurality of rubber dampers (not illustrated in the FIGURE 1b ).
  • FIGURE 2 illustrates schematic representation of the prior art heat exchanger assembly 10, 20, wherein the heat exchanger core 2, 12 either alone as illustrated in FIGURE 1b or along with the receiver drier 3 as illustrated in FIGURE 1a is housed within the housing 1, 11 and the housing 1, 11 in turn is mounted on the vehicle body or frame (not illustrated in FIGURE 2 ), via mounting elements 4, 14 (not illustrated in FIGURE 2 ) configured on the housing 1, 11 and the rubber dampers 5 disposed between the housing 1, 11 and the vehicle body or frame.
  • the rubber dampers 5 between the housing 1, 11 and the vehicle body or frame may not be effective enough in some cases.
  • the noise produced due to vibrations of the heat exchanger core 2, 12 in the housing 1, 11 will reach the vehicle cabin in spite of the presence of the rubber dampers 5.
  • the rubber dampers 5 also require additional elements such as compression limiters for preventing excessive deformation of the rubber dampers 5.
  • FIG. 3a it depicts schematic representation of a heat exchanger assembly 100 for an air conditioning system of a vehicle in accordance with an embodiment of the present invention, wherein a housing 110 encloses a heat exchanger core 120, such that interior walls 112 of the housing 110 are spaced from corresponding exterior walls 122 of the heat exchanger core 120.
  • a resilient material 130 for example, rubber foam fills at least part of the space between the housing 110 and the heat exchanger core 120 as illustrated in FIGURE 3a and constitutes exclusive connection between the housing 110 and the heat exchanger core 120. Thanks to such arrangement, it dampens and prevents heat exchanger core 120 vibrations from reaching the housing 110, thereby mitigating to a substantial degree the noise which might be produced.
  • the resilient material 130 can fill all of the space between the housing 110 and the heat exchanger core 120 as illustrated in FIGURE 3b . Further, the elements mounted on the vehicle body and inside vehicle cabin are protected against vibrations from the heat exchanger core 120 and service life thereof is increased. Also, the housing 110 protects the heat exchanger core 120 against damage from impacts and unfavorable environment conditions such as corrosion, dust, moisture and stone impact. This may be also the case for other components of the heat exchanger assembly, which might be located within the housing and be encapsulated in the resilient material.
  • FIGURE 3c illustrates schematic representation of the heat exchanger assembly 100, 200, wherein the resilient material 130 acting as rubber dampers is disposed between the housing 110 and the heat exchanger core 120.
  • the configuration and placement of the resilient material 130 between the housing 110 and the heat exchanger core 120 is based on vibration isolation requirements at different regions between the housing 110 and the heat exchanger core 120 of the heat exchanger assembly 100. Further, the heat exchanger assembly is simple in construction. Still further, the heat exchanger assembly can be conveniently retrofitted on existing air conditioning systems by carrying out minor modifications.
  • the resilient material 130 surrounds the heat exchanger core 120 from all sides except one side, for example, resilient material 130 surrounds all sides of the heat exchanger core 120 except the top of the heat exchanger core 120.
  • the space between at least one exterior wall 122 of the heat exchanger core 120 and corresponding interior walls 112 of the housing 110 is unfilled.
  • the resilient material 130 surrounds the heat exchanger core 120 from all sides. Depending on the nature of vibration which are foreseen in specific applications, the material may be absent on other sides.
  • the housing 110 usually includes mounting means, such as for example a plurality of flanges with holes configured thereon, such that holes configured on the flanges of the housing 110 match with corresponding holes configured on either one of main body and flanges extending from the main body for facilitating secure mounting of the housing 110 on the main body by using fasteners.
  • mounting means such as for example a plurality of flanges with holes configured thereon, such that holes configured on the flanges of the housing 110 match with corresponding holes configured on either one of main body and flanges extending from the main body for facilitating secure mounting of the housing 110 on the main body by using fasteners.
  • the housing 110 can be of plastic material.
  • the resilient material can be any foam that exhibits stiffness in the range of 5-500 N/mm.
  • the resilient material 130 can be for example, Ethylene Propylene Diene Monomer (EPDM) foam of closed or semi closed structure or different kind of rubber foam. Further, the resilient material 130 can be for example, polyurethane foam.
  • the heat exchanger core is for example condenser.
  • the heat exchanger can further comprise further auxiliary elements, like a receiver drier bottle.
  • the auxiliary elements are also connected to the housing exclusively through the resilient material 130, analogously to the relation between the heat exchanger core 120 and the housing 110.
  • the heat exchanger assembly 100 in accordance with the present invention is used for achieving vibration and thermal isolation of elements such as condensers, chillers used in vehicle air conditioning applications, however, the heat exchanger assembly 100 can also be used for vibration isolation of variety of elements used presently or developed in future for use in air conditioning applications and other applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Claims (10)

  1. Ensemble échangeur de chaleur (100) comprenant un cœur d'échangeur de chaleur (120) et un boîtier (110) avec des parois (112) adaptées pour enfermer le cœur d'échangeur de chaleur (120),
    dans lequel les parois (112) dudit boîtier (110) sont espacées du cœur d'échangeur de chaleur (120) ;
    caractérisé en ce que l'espace créé est rempli au moins partiellement par un matériau élastique (130) de telle sorte que le matériau élastique (130) constitue une liaison exclusive entre le boîtier (110) et le cœur d'échangeur de chaleur (120).
  2. Ensemble échangeur de chaleur (100) selon la revendication 1, dans lequel le matériau élastique (130) remplit l'espace entier entre le boîtier (110) et le cœur d'échangeur de chaleur (120).
  3. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, dans lequel le boîtier (110) est en matière plastique.
  4. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, dans lequel le matériau élastique (130) est de la mousse.
  5. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, dans lequel le matériau élastique (130) est du caoutchouc.
  6. Ensemble échangeur de chaleur (100) selon la revendication 4, dans lequel le matériau élastique (130) est de la mousse de polyuréthane.
  7. Ensemble échangeur de chaleur (100) selon la revendication 4, dans lequel le matériau élastique (130) est de la mousse éthylène-propylène-diène monomère (EPDM).
  8. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, dans lequel le matériau élastique (130) a une rigidité dans la gamme de 5-500 N/mm.
  9. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, le cœur d'échangeur de chaleur étant un condenseur.
  10. Ensemble échangeur de chaleur (100) selon l'une quelconque des revendications précédentes, comprenant en outre des éléments auxiliaires, qui sont situés à l'intérieur du boîtier (110) et reliés à celui-ci de façon exclusive par le matériau élastique (130).
EP18461554.0A 2018-04-27 2018-04-27 Ensemble échangeur thermique Active EP3561433B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18461554.0A EP3561433B1 (fr) 2018-04-27 2018-04-27 Ensemble échangeur thermique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18461554.0A EP3561433B1 (fr) 2018-04-27 2018-04-27 Ensemble échangeur thermique

Publications (2)

Publication Number Publication Date
EP3561433A1 EP3561433A1 (fr) 2019-10-30
EP3561433B1 true EP3561433B1 (fr) 2021-12-15

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Application Number Title Priority Date Filing Date
EP18461554.0A Active EP3561433B1 (fr) 2018-04-27 2018-04-27 Ensemble échangeur thermique

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EP (1) EP3561433B1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2846121A1 (fr) * 2013-09-10 2015-03-11 GEA Ecoflex GmbH Échangeur de chaleur à plaques à haute pression

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948123A1 (de) * 1979-11-29 1981-06-04 Linde Ag, 6200 Wiesbaden Waermetauscher
JP5974282B2 (ja) * 2011-12-06 2016-08-23 パナソニックＩｐマネジメント株式会社 冷蔵庫
JP6548522B2 (ja) * 2015-08-31 2019-07-24 カルソニックカンセイ株式会社 吸着器の作製方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2846121A1 (fr) * 2013-09-10 2015-03-11 GEA Ecoflex GmbH Échangeur de chaleur à plaques à haute pression

Also Published As

Publication number Publication date
EP3561433A1 (fr) 2019-10-30

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