EP2533604B1 - Dispositif de chauffage - Google Patents

Dispositif de chauffage Download PDF

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Publication number
EP2533604B1
EP2533604B1 EP12165179.8A EP12165179A EP2533604B1 EP 2533604 B1 EP2533604 B1 EP 2533604B1 EP 12165179 A EP12165179 A EP 12165179A EP 2533604 B1 EP2533604 B1 EP 2533604B1
Authority
EP
European Patent Office
Prior art keywords
heating
heating device
layer
heating layer
substrate
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
EP12165179.8A
Other languages
German (de)
English (en)
Other versions
EP2533604A1 (fr
Inventor
Thomas Doll
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.)
Ruch Novaplast & Co KG GmbH
Original Assignee
Ruch Novaplast & Co KG GmbH
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 Ruch Novaplast & Co KG GmbH filed Critical Ruch Novaplast & Co KG GmbH
Priority to PL12165179T priority Critical patent/PL2533604T3/pl
Publication of EP2533604A1 publication Critical patent/EP2533604A1/fr
Application granted granted Critical
Publication of EP2533604B1 publication Critical patent/EP2533604B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • 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
    • H05B2203/022—Heaters specially adapted for heating gaseous 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
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/04—Heating means manufactured by using nanotechnology

Definitions

  • Such heaters are known as so-called surface heaters for heating the usually formed by foam pad seat and backrest of vehicle seats, see for example the EP 1 348 316 B1 .
  • the substrate is formed by a woven or non-woven, in particular a non-woven fabric, and the heating layer consists of an electrically conductive plastic, which is composed for example of rubber, tetrahydrofuran, graphite and polyurethane.
  • the heating layer forms a planar electrical resistance, which is heated by the electrical current passing through it.
  • a similar heater is used in the US 4,060,710 shown.
  • a substrate an electrical energizable heating layer which is coated on the side facing away from the substrate side with a heat insulation.
  • PU foams ie open-cell plastic foams are provided, which may be soft, resilient or rigid (column 7, lines 53 to 57).
  • substrates inter alia, tissue (column 5, line 32) or hard coatings such as Resopal (column 6, line 32) can be used. In this way, different basic hard or soft heating elements can be produced without principled modification of the production process.
  • the heat generated by the heating layer must first heat the substrate before heat can be dissipated to the environment.
  • a substrate made of heat-insulating foam particle is provided.
  • the invention makes use of the knowledge that extremely lightweight and mechanically stable elements can be produced with particle foams. Accordingly, heating elements with a flat substrate of particle foam and a heating layer arranged thereon have a low weight with good mechanical stability. Furthermore, it is advantageous that the particle foam is a poor conductor of heat and accordingly only comparatively little heat is transferred from the heating layer into the substrate. Thus, the heat accumulating in the heating layer can be transferred largely without losses and without delay to gas flowing over the heating layer. It is advantageous that the heating layer can be formed over a large area and, accordingly, can transfer heat to large amounts of gas or air even at low flow rate. In addition, with the heating device according to the invention an internally heatable insulation layer or a surface heating, eg in buildings, created.
  • the heating device according to the invention that at least in the region of a heating zone a penetrated by a gas flow pipe section of heat insulating foam and within this pipe section at least one plate made of thermally insulating foam with a particle can be heated by the electric current heating layer.
  • heating layers can be arranged on both sides of the plate.
  • the sheets of particle foam with a one-sided heating layer only and, if appropriate, to produce from two such sheets a built double sheet with a heating layer on both sides.
  • a plurality of such plates are preferably arranged parallel to each other with plane parallel to the flow direction of the gas or the air plane.
  • the tube part can have a window, which can be produced, for example, from acrylic glass.
  • a window which can be produced, for example, from acrylic glass.
  • FIG. 1 has a heater 1, a jacket tube 2, which consists of a polystyrene or polypropylene particle foam.
  • a jacket tube 2 which consists of a polystyrene or polypropylene particle foam.
  • five heating elements 3 are arranged in the example shown, each consisting of a polypropylene particle foam plate (substrate), on which a layer of a mixed with carbon nanotubes plastic is arranged as an electrically conductive heating layer.
  • These heating layers 4 are electrically connected at their spaced in the longitudinal direction of the jacket tube 2 edges with conductor tracks 5, which in turn are electrically connected to electrical lines 6 and thus to an electrical power source 7.
  • This may be, for example, a low-voltage power source that can supply an operating voltage of, for example, 30 volts at currents up to 20 A.
  • a low-voltage power source that can supply an operating voltage of, for example, 30 volts at currents up to 20 A.
  • an inner tube fan 8 is arranged so that during fan operation, the jacket tube is penetrated by a corresponding air flow.
  • the case between the heating elements 3 flowing Air is heated according to the temperature of the respective heating layer 4.
  • FIG. 2 shown heater differs from the embodiment of the FIG. 1 essentially in that in the jacket tube 2 in the region of the heating elements 3, an acrylic view window 9 is arranged in order to monitor the operation of the heating elements can.
  • sensors not shown, outside the acrylic window 9 may be arranged to detect the thermal radiation of the heating layers of the heating elements 3. This offers the possibility to control or regulate the energization of the heating layers 4 as a function of temperature, so that all the heating layers deliver the same or respectively desired heat contributions. In this way, an overload of individual heating layers can be avoided by excessive temperature increase.
  • Fig. 2 to 6 show by way of example various applications of the invention.
  • the Fig. 3 shows a surface heating designed as a heating plate, wherein a Banklack Mrs 12 is applied to a substrate 11 made of particle foam, which extends between electrodes 13, which are also arranged on the substrate, and is electrically connected to the electrodes 13.
  • the electrodes 13 are then connected via only schematically indicated lines 14 electrically connected to a voltage source, not shown.
  • the electrical voltage source is switched on, the heating lacquer layer 12 is penetrated by an electric current, whereby the heating lacquer layer heats up. Due to the poor thermal conductivity of the substrate 11, which consists of particle foam, only very small amounts of heat are introduced into the substrate 11, the majority of the heat generated is transferred to the environment on the free side of the Edellacktik 12.
  • the Fig. 4 shows a functionally similar surface heating, which differs from the arrangement Fig. 3 essentially only differs in that the substrate 11 is formed on both sides with free-form surfaces. In principle, any surface structures or adaptation to existing surfaces are possible in this way.
  • Fig. 5 shows by way of example a substrate 11 with mutually arranged Banklack Anlagenen 12, which are electrically connected in parallel in the illustrated example, but in principle it is also possible to energize each of the heating layers 12 separately electrically.
  • Fig. 6 shows the possibility of a multi-zone surface heating.
  • a further electrode 13 " is provided between the edge-side electrodes 13 'of the Schulack Anlagen 12, in which case between the electrode 13" and in the drawing upper electrode 13', a first electrical voltage can be applied and between the electrode 13 "and in the drawing lower electrode 13 'another electrical voltage (possibly also a vanishing voltage) can be provided., In this way 12 different heating temperatures can be achieved during the heating operation on the Schulack Mrs.
  • Fig. 7 shows the possibility of a basically arbitrary component 14, which rests on the Schulack Mrs, possibly with the interposition of an electrically insulating film, to heat by contact heating.
  • the component 14 may be completely enveloped with particle foam.
  • the component 14 may be arranged on several sides in contact with a Schulack Mrs 12.
  • Fig. 8 again shows the possibility to heat a gas or air stream 10.
  • the air flow 10 also flows over one side of the heating layer 12 arranged on a substrate 11 made of particle foam. On the other side, the air flow 10 is protected from heat loss by a heat insulation made of particle foam.
  • Fig. 9 shows the example of a surface heating, which consists essentially of the substrate 11 and the heating lacquer layer 12 disposed thereon, which in turn can be electrically connected to a current source via electrodes 13.
  • a seal 15 for example, made of a transparent acrylic material applied.

Landscapes

  • Surface Heating Bodies (AREA)
  • Control Of Resistance Heating (AREA)
  • Central Heating Systems (AREA)

Claims (8)

  1. Dispositif de chauffage, qui présente un élément de chauffage (3) avec un substrat (11) plat, une couche de chauffage (4) disposée sur celui-ci, pouvant être chauffée par un courant électrique, et une isolation thermique, recouvrant d'un côté la couche de chauffage (4), se présentant sous la forme d'une couche de mousse,
    caractérisé en ce
    qu'un élément stable mécaniquement et plat composé d'une mousse à base de particules forme à la fois le substrat (11) et l'isolation thermique recouvrant d'un côté la couche de chauffage (4).
  2. Dispositif de chauffage selon la revendication 1, avec un segment tubulaire (2) traversé ou pouvant être traversé par un flux de gaz ou d'air, composé d'une mousse à base de particules à thermoconductivité médiocre, dans lequel au moins une plaque avec un plan de plaque parallèle par rapport à la direction d'écoulement est disposée à l'intérieur du segment tubulaire et est pourvue d'une couche de chauffage (4).
  3. Dispositif de chauffage selon la revendication 2,
    caractérisé en ce
    que sont prévues plusieurs plaques espacées les unes des autres et parallèles les unes par rapport aux autres.
  4. Dispositif de chauffage selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce
    qu'une fenêtre (9) avec un plan de fenêtre sensiblement perpendiculaire par rapport au plan de plaque est prévue dans la zone des plaques ou des éléments de chauffage (3) dans le segment tubulaire.
  5. Dispositif de chauffage selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce
    que sont prévues des mousses à base de particules de polystyrène et/ou de polypropylène.
  6. Dispositif de chauffage selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce
    que la couche de chauffage ou les couches de chauffage (4) sont constituées d'une matière plastique remplie de nanotubes de carbone.
  7. Dispositif de chauffage selon la revendication 6,
    caractérisé en ce
    que la couche de chauffage contient de caoutchouc, du tétrahydrofuranne, du graphite et/ou du polyuréthane.
  8. Dispositif de chauffage selon la revendication 7,
    caractérisé en ce
    que le matériau en matière plastique de la couche de chauffage est rempli de nanoparticules de carbone.
EP12165179.8A 2011-06-10 2012-04-23 Dispositif de chauffage Not-in-force EP2533604B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12165179T PL2533604T3 (pl) 2011-06-10 2012-04-23 Urządzenie grzejne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202011101651U DE202011101651U1 (de) 2011-06-10 2011-06-10 Heizvorrichtung

Publications (2)

Publication Number Publication Date
EP2533604A1 EP2533604A1 (fr) 2012-12-12
EP2533604B1 true EP2533604B1 (fr) 2017-06-14

Family

ID=45347334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12165179.8A Not-in-force EP2533604B1 (fr) 2011-06-10 2012-04-23 Dispositif de chauffage

Country Status (3)

Country Link
EP (1) EP2533604B1 (fr)
DE (1) DE202011101651U1 (fr)
PL (1) PL2533604T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013021079B4 (de) 2013-12-18 2016-03-03 Lisa Dräxlmaier GmbH Heizvorrichtung für ein Fahrzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060710A (en) * 1971-09-27 1977-11-29 Reuter Maschinen-And Werkzeugbau Gmbh Rigid electric surface heating element
DE8502450U1 (de) * 1985-01-30 1985-05-15 Schober, Elisabeth, 8000 München Stutzen für den Anschluß im Zuluftkanal einer Kraftfahrzeug-Luftheizungsanlage
DE4213510C1 (en) * 1992-04-24 1993-08-19 Audi Ag, 8070 Ingolstadt, De Electric heating arrangement in vehicle heating and ventilation system - is formed by grill located in air outlet and moulded in conductive polymer
DE19823506B4 (de) * 1998-05-26 2006-05-04 Latec Ag Heizmanschette für Rohre
DE50115386D1 (de) 2000-12-23 2010-04-22 Braincom Ag Flächenheizung und verfahren zu deren herstellung sowie heizbarer gegenstand
US20050244587A1 (en) * 2003-09-09 2005-11-03 Shirlin Jack W Heating elements deposited on a substrate and related method
CA2500588A1 (fr) * 2005-03-21 2006-09-21 Yonggang Y.Z. Zhang Element chauffant en mousse

Also Published As

Publication number Publication date
PL2533604T3 (pl) 2017-11-30
EP2533604A1 (fr) 2012-12-12
DE202011101651U1 (de) 2011-11-11

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