EP3417673B1 - Système d'échangeur de chaleur - Google Patents

Système d'échangeur de chaleur Download PDF

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Publication number
EP3417673B1
EP3417673B1 EP17705829.4A EP17705829A EP3417673B1 EP 3417673 B1 EP3417673 B1 EP 3417673B1 EP 17705829 A EP17705829 A EP 17705829A EP 3417673 B1 EP3417673 B1 EP 3417673B1
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EP
European Patent Office
Prior art keywords
heat exchanger
module
substrate
carrier plate
water heat
Prior art date
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Active
Application number
EP17705829.4A
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German (de)
English (en)
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EP3417673A1 (fr
Inventor
Christian Hainzlmaier
Marvin LAPPE
Christoph CAP
Karl GÖTTL
Hans Rechberger
Tobias Hentrich
Jürgen Lipp
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Webasto SE
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Webasto SE
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Publication of EP3417673A1 publication Critical patent/EP3417673A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/001—Heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • 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
    • F28D2021/0089—Oil coolers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings

Definitions

  • the invention relates to a heat exchanger system, in particular an oil-water heat exchanger system, in particular for connection to an internal combustion engine, preferably a motor vehicle, according to claim 1 and a method for producing such a heat exchanger system.
  • a heat exchanger system in particular an oil-water heat exchanger system, in particular for connection to an internal combustion engine, preferably a motor vehicle, according to claim 1 and a method for producing such a heat exchanger system.
  • EP 2 466 241 A1 describes an oil-water heat exchanger with several tub elements stacked one on top of the other and soldered together.
  • Such oil-water heat exchangers are usually integrated into the cooling circuit of internal combustion engines and can be used, for example, to cool the engine oil.
  • an electric heater is proposed there in an interior space of the heat exchanger in order to heat one of the fluids of the heat exchanger that interact with one another.
  • WO 2013/186106 A1 and WO 2013/030048 A1 referred.
  • heaters which have an electrical heating layer which heats up when an electrical voltage is applied (or when a current flows).
  • a household refrigeration appliance with a heating device is described there.
  • the heating device is made as a layer heater by painting and applied to a surface of an evaporator of the household refrigeration appliance.
  • the layer heating is according to DE 10 2011 006 248 A1 directly applied to a surface of the evaporator and hardly thermally insulating in order to impair the functionality of the evaporator as little as possible.
  • it is considered to be disadvantageous that production according to this prior art is comparatively complex and appears to be tailored to a very specific application.
  • a heat exchanger system for connection to an internal combustion engine, comprising at least one oil-water heat exchanger module and a layered heating module that is mounted or can be mounted on an outside of the cover of the oil-water heat exchanger module.
  • the layer heating module comprises a substrate, in particular a carrier plate, and a heating coating applied to the substrate, in particular the carrier plate.
  • a core idea of the invention is to provide a layer heating module comprising a substrate and a heating coating for connection to a heat exchanger module, in particular an oil-water heat exchanger module.
  • the heating coating is not applied directly to the heat exchanger, but to a separate substrate, which in turn is mounted (attached) to the heat exchanger (heat exchanger module).
  • the advantages described in the prior art are deliberately (at least partially) dispensed with in favor of a simple and extremely variable (flexible) production.
  • the provision of the substrate initially increases the overall installation space of the heat exchanger system.
  • the heat transfer is also fundamentally less effectively.
  • the path was taken to provide a (separate) layer heating module in order to enable at least one fluid flowing in a heat exchanger to be heated effectively and with simple means.
  • existing heat exchangers of different types and/or different sizes
  • the substrate is preferably a plate-shaped substrate, in particular a carrier plate.
  • the plate preferably has two (at least substantially) planar surfaces. Unevenness preferably has a maximum height of 5 mm, preferably 2 mm, even more preferably 0.5 mm.
  • the substrate, in particular the carrier plate can have a polygonal, in particular square, preferably rectangular outline or a (circular) round or elliptical or irregularly shaped outline.
  • a thickness of the substrate, in particular of the carrier plate is preferably at least 0.5 mm, preferably at least 1 mm, even more preferably at least 2 mm and/or at most 20 mm, preferably at most 12 mm, even more preferably at most 8 mm.
  • the layered heating module is preferably materially connected to the heat exchanger module, in particular glued to the heat exchanger module, and/or connected to the heat exchanger module in a non-positive and/or positive manner, in particular clamped on.
  • the layer heating module can also be connected to the heat exchanger module in some other way, for example by mechanical fasteners (e.g. screws and/or bolts).
  • a latching connection can also be provided as an alternative or in addition, for example in such a way that the layer heating module snaps into latching devices of the heat exchanger module.
  • the substrate in particular the carrier plate, is preferably made at least partially from a (thermally and/or electrically) insulating material.
  • a thermally insulating material is to be understood in particular as a material with a thermal conductivity (at 25° C.) of less than 10 W/mK or less than 2 W/mK or less than 0.8 W/mK or less than 0.5 W/mK.
  • an electrically insulating material is a material with a specific resistance (at 25 °C) of at least 10 5 ⁇ mm 2 m -1 or at least 10 9 ⁇ mm 2 m -1 2 W/mK or at least 10 12 ⁇ mm 2 m -1 .
  • the substrate, in particular the support plate can in particular be made of a (possibly insulating) ceramic.
  • the substrate, in particular the carrier plate is made of a conductor, for example metal.
  • an insulating layer can then be provided between the heating coating and the substrate, in particular the carrier plate.
  • the electrical heating coating is applied directly to the substrate, in particular the carrier plate.
  • the substrate, preferably the carrier plate is made of an insulating material, the substrate can synergistically serve as a carrier for the additional module and as a structure that allows at least sectional insulation of the electrical heating coating from the heat exchanger module.
  • the heating coating and/or insulating layer is preferably applied to the (full) surface of the substrate. Furthermore, the heating coating and/or the insulation layer can have an (at least essentially) constant layer thickness. The heating coating or the insulating layer can be applied directly to the substrate. The heating coating and/or the insulating layer can be dimensionally unstable (or non-self-supporting) per se.
  • the heating coating is arranged on the side of the substrate, in particular the carrier plate, that faces the heat exchanger module.
  • the heat exchanger module can be effectively preheated.
  • an intermediate space is preferably formed at least in sections between the layer heating module and the heat exchanger module.
  • the intermediate space is preferably filled (at least in sections) with a filling material (“gap filler”), in particular a possibly compressible and/or elastically and/or plastically deformable film.
  • the film is preferably (well) thermally conductive and more preferably has a thermal conductivity (at 25° C.) of at least 15 W/mK or at least 50 W/mK or at least 100 W/mK or at least 180 W/mK.
  • the heating coating on the dem Heat exchanger module facing side of the substrate, in particular the support plate is arranged, thereby a simple insulation (at least in sections) of the heating coating can be achieved with respect to the heat exchanger module.
  • the heating coating in the installed state
  • an insulating layer or an insulating cover can optionally be arranged on the heating coating (specifically on the side of the heating coating that points away from the substrate, in particular the carrier plate).
  • the heat exchanger module can also have a corresponding insulating layer or generally have an insulating surface.
  • contacting of the heating coating runs through the substrate, in particular the carrier plate.
  • the contact can more preferably run through the substrate at least twice, preferably in such a way that a conductor section of the contact runs parallel to (touching) the heating coating.
  • the heating coating is grounded via the heat exchanger module, in particular a housing of the heat exchanger module.
  • a ground contact (pad) or a spring or the like can be formed between the heating coating and the heat exchanger module.
  • a grounding line can also optionally be routed through the substrate, in particular the carrier plate, and then grounded either externally (i.e. not via the heat exchanger module) or via the heat exchanger module be. Overall, a comparatively simple closing of the circuit is made possible.
  • both sides of the substrate, in particular the carrier plate, are provided with a heating coating. This allows for particularly effective heating.
  • At least two heat exchanger modules and/or at least two layer heating modules are provided. At least one layer heating module is preferably arranged between two heat exchanger modules. At least one heat exchanger module can also be arranged between two layer heating modules. In principle, several, for example at least two, or at least three layer heating modules can be arranged on a heat exchanger module. Overall, this allows an effective exchange of heat and a heating of at least one of the fluids to take place in a flexible manner.
  • the substrate in particular the carrier plate, is preferably dimensionally stable or made from a dimensionally stable material.
  • a layer heating module for a heat exchanger in particular an oil-water heat exchanger, the layer heating module having the above and/or following features.
  • At least one hole is preferably made in the substrate, in particular the carrier plate, to produce the layered heating module. More preferably, contact is made with the heating coating through the at least one hole.
  • a blind hole is made in the substrate, in particular the carrier plate, in a first sub-step, the heating coating is applied to the substrate in a second sub-step (following the first sub-step) and in a third sub-step (following the second sub-step).
  • a conductor portion is routed toward an end of the blind hole, preferably such that a bottom of the blind hole breaks so that the conductor portion comes into contact with the heater coating.
  • two holes can be created in the substrate.
  • a contact for the heater coating is routed through both holes and more preferably runs (at least in sections) parallel to a plane defined by the heater coating (touching the heater coating).
  • these process features are also proposed as preferred embodiments of the process.
  • a bimetal switch possibly with two redundant switch devices, can be provided for controlling, in particular regulating, the electrically heated coating.
  • the heating coating can be applied to the substrate, in particular the carrier plate, indirectly, in particular via an insulating layer.
  • Such an insulating layer can be formed, for example, by an adhesion promoter layer.
  • a polymer material can preferably be used for the insulating layer.
  • the insulating layer is preferably provided by passivation, in particular oxidation, in particular anodizing (of aluminum or an aluminum alloy).
  • the heating coating can be applied directly to the substrate, in particular the carrier plate (for example in low-voltage applications and/or when the substrate is not electrically conductive or only poorly conductive).
  • the complicated structure in the prior art comprising a heating layer, a complex insulating layer and an adhesion promoter layer, can be reduced.
  • the heating coating can be cohesively connected to a surface of the substrate, in particular the carrier plate.
  • the layer heating module is arranged on a heat exchanger cover of the (oil-water) heat exchanger module.
  • a heat exchanger cover of the (oil-water) heat exchanger module is also possible when used on the outside of the cover (which can be advantageous, for example with regard to contacting).
  • the heating coating is designed as a continuous (in particular unstructured and/or uninterrupted) layer.
  • the heating coating may generally have at least one portion within which there are no breaks in the heating coating in two mutually perpendicular directions over a distance of at least 1 cm, preferably at least 2 cm, more preferably at least 4 cm.
  • the heating coating can comprise at least one rectangular section with a length and a width of at least 1 cm, preferably at least 2 cm, even more preferably at least 4 cm, within which there are no interruptions or any other structures in the heating coating.
  • a "break" within the heater coating is understood to mean a section through which no current can flow, for example because this section is (entirely) free of material remains and/or is (at least partially) filled by an insulator.
  • the heater coating can be thermally sprayed (regardless of whether it is unstructured or structured, in the final state). In this context, it has surprisingly been shown that even such a simply designed heating coating can bring about sufficient heating of the oil.
  • the heating coating is designed as a structured layer.
  • the heating coating is preferably structured by a masking process (preferably using silicone that can be embossed).
  • a masking process preferably using silicone that can be embossed.
  • Known masking methods of this type allow satisfactory structuring and are less complex than, for example, laser methods for structuring, which are used precisely in the high-voltage area. Overall, therefore, the advantages of a masking process with regard to the present heating coating are exploited in a synergistic manner.
  • the insulating layer described above can have a thickness of at least 50 ⁇ m, preferably at least 200 ⁇ m and/or at most 1000 ⁇ m, preferably at most 500 ⁇ m.
  • the heating coating preferably has a height (thickness) of at least 5 ⁇ m, preferably at least 10 ⁇ m and/or at most 1 mm, preferably at most 500 ⁇ m, more preferably at most 30 ⁇ m, even more preferably at most 20 ⁇ m.
  • a conductor track defined by the heating coating can be at least 1 mm, preferably at least 3 mm, even more preferably at least 5 mm, even more preferably at least 10 mm, even more preferably at least 30 mm wide.
  • “Width” is to be understood as meaning the extent of the conductor track perpendicular to its longitudinal extent (which usually also defines the direction of the current flow).
  • a protective covering for example a silicone protective layer, is applied over the heating coating.
  • the heating coating can also define an outside of the layered heating module.
  • the oil-water heat exchanger module has a number of sub-units, in particular pan elements, which more preferably, as in EP 2 466 241 A1 described, can be formed.
  • the oil-water heat exchanger module (apart from the layer heating module according to the invention) as in EP 2 466 241 A1 or U.S. 2015/0176913 A1 described, be trained.
  • the disclosure of these publications is hereby explicitly incorporated by reference.
  • at least one layer heating module can optionally be arranged between two sub-units.
  • the oil-water heat exchanger module comprises a plurality of pan elements, at least one layer heating module can be arranged (applied) between two of these pan elements (on one of the pan elements).
  • the preheating additional heating
  • the oil-water heat exchanger can have a turbulator.
  • the turbulator may be close, e.g. B. not more than 5 cm, in particular not more than 2 cm, be formed into a heating coating and / or be equipped with a heating coating. This, too, is a further possibility of improving the heating of the fluid in a simple manner (namely without the provision of further components).
  • synergistic use is made of the fact that in the area of a turbulator there can be increased heat transfer due to the turbulence generated.
  • the insulating layer can be a ceramic material or a polymer material or can consist of such a material, Al 2 O 3 , for example, coming into consideration as the ceramic material.
  • the heating layer can be applied, for example, in a plasma coating process, in particular plasma spraying, or in a screen printing process or as a resistance paste, in particular on the insulating layer.
  • a plasma coating process for example, an electrically conductive layer can first be applied, in particular to the insulating layer. Areas can then be cut out of the electrically conductive layer so that one or more conductor tracks remain.
  • a masking technique is preferably used.
  • the conductor tracks can then form the heating resistor or multiple heating resistors.
  • the areas mentioned can alternatively to a masking technique, for example be cut out of the conductive layer by means of a laser.
  • the heating coating can be a metal layer, for example, and optionally contain nickel and/or chromium or consist of these materials. For example, 70-90% nickel and 10-30% chromium can be used, with a ratio of 80% nickel and 20% chromium being found to work well.
  • the heating coating can, for example, occupy an area of at least 5 cm 2 , preferably at least 10 cm 2 and/or at most 200 cm 2 , preferably at most 100 cm 2 .
  • the (oil-water) heat exchanger module or the (oil-water) heat exchanger system can have a total volume of preferably at least 200 cm 3 , more preferably at least 500 cm 3 , even more preferably at least 800 cm 3 and/or at most 5000 cm 3 , preferably at most 2000 cm 3 .
  • the (oil-water) heat exchanger module or the (oil-water) heat exchanger system can be 15-25 cm long and/or 8-12 cm wide and/or 3-7 cm high (thick).
  • the heat exchanger module in particular the oil-water heat exchanger module, preferably has one or more first fluid channels for conducting a first fluid, in particular the oil, and one or more second fluid channels for conducting a second fluid, in particular the water.
  • the oil-water heat exchanger module 10 can, for example as in EP 2 466 241 A1 described, be constructed, in particular several (possibly soldered together) pan elements have.
  • the layered heating module 11 comprises a support plate 12 and an electrical heating coating 13.
  • the layered heating module 11 is preferably mounted on a cover 28 of the oil-water heat exchanger 10.
  • the electrical heating coating 13 is (which is not mandatory) applied to a side 14 of the carrier plate 12 facing the oil-water heat exchanger module 10 .
  • the reference number 15 shows a first variant for producing a ground contact, specifically by a pad 15 that connects the heating coating 13 to the oil-water heat exchanger module 10 (in particular a housing thereof).
  • a further alternative is indicated by the reference number 16, which specifically shows a pipe 16 which also connects the electric heating coating to the oil-water heat exchanger module 10 (in particular a housing thereof).
  • the line 16 could also be grounded externally (ie not via the oil/water heat exchanger module 10).
  • a contact corresponding to the ground contact is not shown. However, such a second contact could also be formed by a line analogous to line 16 if this is corresponding (deviating from 1 ) connected.
  • a first embodiment of a contacting of the electrical heating coating is shown.
  • the electric heating coating 13 is located on a side 14 facing the carrier plate (not shown).
  • a side facing away from the carrier plate is identified by the reference number 17 .
  • the carrier plate 12 has a hole 18 through which a conductor section 19 forming the contact is passed.
  • one end 20 of the conductor section 19 is designed as a widening and in or above a recess 21 arranged. The end 20 is then preferably overmolded when the heating coating 13 is produced, so that a contact is formed.
  • In 3 is an embodiment similar to 2 shown, in which, however, no widening end 20 and no recess 21 is provided.
  • FIG. 4 shows a schematic section of the layer heating module before final completion. Specifically, a conductor section 19 is shown here, which is inserted into a blind hole 22 . A second blind hole 23 is provided opposite (or adjoining) the first blind hole 22 (which is not mandatory).
  • the heating coating 13 is applied and then a predetermined breaking point 24 between the two blind holes 22, 23 is broken through, so that the conductor section 19 can come into contact with the heating coating 13.
  • the predetermined breaking point 24 is preferably defined by a web.
  • FIG 5 another possibility of contacting the heating coating 13 is shown.
  • a first hole 25 and a second hole 26 are made in the support plate 12 .
  • a conductor section 19 is guided both through the first hole 25 and through the second hole 26, so that a conductor sub-section 27 runs parallel to the heating layer 13, touching it.
  • the electrical heating coating is preferably applied (sprayed on) after the conductor section 19 has been attached.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)

Claims (13)

  1. Système d'échangeur de chaleur à raccorder à un moteur à combustion interne, de préférence d'un véhicule automobile, comprenant au moins un module d'échangeur de chaleur eau-huile (10), ainsi qu'un module de chauffage de couche (11) qui est monté ou peut être monté sur un côté extérieur du cache du module d'échangeur de chaleur eau-huile, dans lequel le module de chauffage de couche (11) comprend un substrat, notamment une plaque de support (12), ainsi qu'un revêtement chauffant électrique (13) appliqué sur le substrat, notamment sur la plaque de support (12).
  2. Système d'échangeur de chaleur selon la revendication 1, caractérisé en ce que le module de chauffage de couche est relié par complémentarité de matières au module d'échangeur de chaleur eau-huile (10), notamment collé sur le module d'échangeur de chaleur eau-huile (10) et/ou relié par complémentarité de forces et/ou par complémentarité de formes au module d'échangeur de chaleur eau-huile (10), notamment coincé sur lui.
  3. Système d'échangeur de chaleur selon la revendication 1 ou 2, caractérisé en ce que le substrat, notamment la plaque de support (12), est fabriqué à partir d'un matériau électriquement et/ou thermiquement isolant, de préférence de la céramique.
  4. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le revêtement chauffant (13) est disposé sur le côté du substrat orienté vers le module d'échangeur de chaleur eau-huile (10), notamment sur la plaque de support (12).
  5. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'à l'état monté du module de chauffage de couche, un espace intermédiaire est réalisé entre le module de chauffage de couche (11) et le module d'échangeur de chaleur eau-huile (10), dans lequel l'espace intermédiaire est de préférence rempli d'un matériau de remplissage.
  6. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une mise en contact du revêtement chauffant (13) s'étend à travers le substrat, notamment la plaque de support (12), dans lequel la mise en contact s'étend de préférence au moins deux fois à travers le substrat, notamment la plaque de support (12), de préférence de telle sorte qu'une section conductrice (27) de la mise en contact s'étende parallèlement au revêtement chauffant électrique (13) l'effleurant.
  7. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le revêtement chauffant électrique (13) est relié à la terre via le module d'échangeur de chaleur eau-huile (10), notamment via un carter du module d'échangeur de chaleur eau-huile.
  8. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux côtés du substrat, notamment de la plaque de support (12), sont pourvus d'un revêtement chauffant électrique (13).
  9. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins deux modules d'échangeur de chaleur eau-huile et/ou au moins deux modules de chauffage de couche sont prévus, dans lequel de préférence au moins un module de chauffage de couche est disposé entre deux modules d'échangeur de chaleur eau-huile.
  10. Système d'échangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le module de chauffage de couche (11) est conçu pour un fonctionnement dans une plage de basse tension, de préférence pour 12 volts, 24 volts ou 48 volts.
  11. Utilisation d'un module de chauffage de couche (11), comprenant un substrat, notamment une plaque de support (12), ainsi qu'un revêtement chauffant électrique (13) appliqué sur le substrat, notamment sur la plaque de support (12), afin de réchauffer au moins un fluide d'un échangeur de chaleur eau-huile, dans lequel le module de chauffage de couche est disposé sur un côté extérieur du cache de l'échangeur de chaleur eau-huile.
  12. Procédé de fabrication d'un module d'échangeur de chaleur eau-huile selon l'une quelconque des revendications 1 à 10, comprenant les étapes suivantes :
    - mise à disposition ou fabrication d'un module d'échangeur de chaleur eau-huile (10), ainsi que d'un module de chauffage de couche (11), comprenant un substrat, notamment une plaque de support (12), ainsi qu'un revêtement chauffant électrique (13) appliqué sur le substrat, notamment sur la plaque de support (12) ; et
    - liaison du module d'échangeur de chaleur eau-huile (10) et du module de chauffage de couche (11) sur un côté extérieur du cache de l'échangeur de chaleur eau-huile, notamment par collage et/ou coincement.
  13. Procédé selon la revendication 12,
    caractérisé en ce que :
    pour la fabrication du module de chauffage de couche (11), au moins un trou (18, 25, 26) est réalisé dans le substrat, notamment dans la plaque de support (12) ; dans lequel un mise en contact servant à la mise en contact du revêtement chauffant électrique est guidée à travers l'au moins un trou ;
    dans lequel au cours d'une première étape partielle, un trou borgne (22) est de préférence réalisé dans le substrat, notamment dans la plaque de support (12), qu'au cours d'une deuxième étape partielle, le revêtement chauffant électrique (13) est appliqué sur le substrat et qu'au cours d'une troisième étape partielle, une section conductrice est guidée contre une extrémité du trou borgne, de façon à ce que le fond du trou borgne se rompe, de sorte que la section conductrice entre en contact avec le revêtement chauffant électrique (13) ; et/ou
    dans lequel deux trous (25, 26) sont de préférence créés dans le substrat, notamment dans la plaque de support (12), dans lequel une section conductrice de la mise en contact s'étend de préférence parallèlement au revêtement chauffant électrique (13) l'effleurant.
EP17705829.4A 2016-02-18 2017-02-13 Système d'échangeur de chaleur Active EP3417673B1 (fr)

Applications Claiming Priority (2)

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DE102016102893.2A DE102016102893A1 (de) 2016-02-18 2016-02-18 Wärmetauschersystem
PCT/EP2017/053113 WO2017140608A1 (fr) 2016-02-18 2017-02-13 Système d'échangeur de chaleur

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EP3417673A1 EP3417673A1 (fr) 2018-12-26
EP3417673B1 true EP3417673B1 (fr) 2023-08-09

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US (1) US11585249B2 (fr)
EP (1) EP3417673B1 (fr)
JP (2) JP2019507475A (fr)
KR (1) KR20180110116A (fr)
CN (1) CN108702812B (fr)
DE (1) DE102016102893A1 (fr)
WO (1) WO2017140608A1 (fr)

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US20210207501A1 (en) 2021-07-08
EP3417673A1 (fr) 2018-12-26
US11585249B2 (en) 2023-02-21
CN108702812A (zh) 2018-10-23
JP2020188013A (ja) 2020-11-19
CN108702812B (zh) 2022-06-21
JP2019507475A (ja) 2019-03-14
KR20180110116A (ko) 2018-10-08
WO2017140608A1 (fr) 2017-08-24
DE102016102893A1 (de) 2017-08-24

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