WO2003088715A2 - Dispositif de chauffage et son procede de production, et objet chauffable et son procede de production - Google Patents

Dispositif de chauffage et son procede de production, et objet chauffable et son procede de production Download PDF

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Publication number
WO2003088715A2
WO2003088715A2 PCT/DE2003/001309 DE0301309W WO03088715A2 WO 2003088715 A2 WO2003088715 A2 WO 2003088715A2 DE 0301309 W DE0301309 W DE 0301309W WO 03088715 A2 WO03088715 A2 WO 03088715A2
Authority
WO
WIPO (PCT)
Prior art keywords
layer
heating
electrically conductive
conductive plastic
adhesive
Prior art date
Application number
PCT/DE2003/001309
Other languages
German (de)
English (en)
Other versions
WO2003088715A3 (fr
Inventor
Michael Diemer
Stephan Diemer
Original Assignee
Braincom Ag
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 Braincom Ag filed Critical Braincom Ag
Priority to DE10391607T priority Critical patent/DE10391607D2/de
Priority to AU2003233755A priority patent/AU2003233755A1/en
Priority to EP03727207A priority patent/EP1500306A2/fr
Publication of WO2003088715A2 publication Critical patent/WO2003088715A2/fr
Publication of WO2003088715A3 publication Critical patent/WO2003088715A3/fr
Priority to US10/967,664 priority patent/US7804044B2/en
Priority to US11/109,458 priority patent/US7977608B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
    • B64D15/12—De-icing or preventing icing on exterior surfaces of aircraft by electric heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00285—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for vehicle seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2227—Electric heaters incorporated in vehicle trim components, e.g. panels or linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/56—Heating or ventilating devices
    • B60N2/5678—Heating or ventilating devices characterised by electrical systems
    • B60N2/5685—Resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/04—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets
    • B60N3/048—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets characterised by their structure
    • 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
    • H05B3/14—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 the material being non-metallic
    • H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
    • 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
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • 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
    • H05B2203/029—Heaters specially adapted for seat warmers

Definitions

  • Heating device and method for its production and heatable object
  • the invention relates to a heating device according to the preamble of claim 1, a method for producing a heating device according to claim 12 and claim 17, a heatable object according to the preambles of claims 18 and 19 and a manufacturing method for such an object according to claims 22 and 26. Still further starting points of the invention are specified in the remaining independent claims.
  • Electric heaters are used in numerous areas of application to bring objects to the desired temperatures. Because of their good controllability and simple construction, resistance heaters are preferred. In the meantime it has become known not only to use conductor materials for this, but also also electrically conductive plastics. The latter open up an additional wide design range for corresponding heating devices, in particular in relation to the restrictions of usually metallic conductor materials.
  • a composite radiator which provides directional heat radiation and is formed from a plastic laminate with the incorporation of a semiconducting layer.
  • This laminate consists of a rigid plastic laminate structure consisting of at least one layer of a reinforced substrate base material and a resin coating thereon, a semiconducting carbon-containing pyropolymer bonded to a heat-resistant, large surface area, inorganic oxide support which acts as a layer on at least one side of the layer of the substrate material is incorporated, a heat reflective layer incorporated in a position on one side of the pyropolymer on the substrate material and current supply devices to spaced apart parts of the layer are formed from conductive carbon-containing pyropolymer and generate electrical resistance heating in the laminate, which is caused by the heat reflective
  • Such heating plates are to be used as part of a wall of a living room or office.
  • the semiconducting layer can be introduced into the laminate by making finely divided carbon-containing pyropolymer smaller in size
  • Particles or as a powder with a suitable carrier or Nehikel is mixed so that it on the surface of a resin-coated glass cloth, paper, felt, cardboard and the- same as a laminate substrate or on a wood veneer that is used in the laminate board, spread, spread or otherwise applied.
  • the finely divided carbon-containing pyropolymer can also be mixed with the resin or polymer material with which a special reinforcing base material is to be impregnated or which is to be applied to this base material as a coating, this
  • Base material provides at least one substrate material layer of the laminate.
  • the resulting mixture is applied in or onto the substrate by dipping or coating, and the resulting coated substrate is subjected to semi-curing such that the semiconducting pyropolymer results in a uniform impregnation and coating over the resulting semi-hardened laminate sheet.
  • DE 33 16 182 AI deals with the use of molded articles, such as foils, plates or spatially shaped structures, from the class of pyrrole polymers, which are complexed with anions, as electrical heating elements, in particular for heating up corrosive liquids or gases.
  • the moldings can still be coated with organic plastics.
  • a polymeric Nerbundz element is described in DE 35 24 631 AI and has the shape of a film, tube or rod.
  • Such polymeric composite heating elements can be used as such as heat sources or laminated with conventional plastic films to improve the material thickness.
  • thermoplastic polyurethanes The use of electrically conductive thermoplastic polyurethanes and their production are known from DE 33 21 516 AI. Corresponding products are among others for the production of 1 to 2 mm thick foils for surface heating elements.
  • heating devices with electrically conductive plastic are known in principle, but the entire state of the art contains no information or suggestions as to how such heating devices must be equipped and manufactured in order to be able to be used in practice.
  • a heating device is thus created with a layer with electrically conductive plastic, the layer with electrically conductive plastic having an adhesive property, at least in some areas, at least in regions.
  • the layer with electrically conductive plastic preferably has, at least on one side, an adhesive at least in some areas for providing the adhesive property.
  • the layer with electrically conductive plastic has an adhesive on both sides at least in some areas.
  • the adhesive is preferably an adhesive, and in particular the layer is an adhesive tape.
  • the layer is an adhesive layer, the adhesive layer preferably being an adhesive layer.
  • an adhesive layer can consist, for example, of a layer of adhesive which contains carbon or carbon particles in order to provide electrical conductivity.
  • the layer with electrically conductive plastic and possibly the adhesive is / are at least essentially or partially transparent.
  • Such a heating device according to the invention can also advantageously be used for panes and others. be used.
  • the adhesive is hardenable. According to a further development thereof, it can in particular be provided that the hardened adhesive remains at least essentially hardened when the temperature rises.
  • the electrically conductive plastic contains polyurethane.
  • a method is also created for producing a heating device which contains a layer with electrically conductive plastic, an adhesive being applied to at least one side of the layer with electrically conductive plastic.
  • This method is preferably further developed by applying an adhesive to both sides of the layer using electrically conductive plastic.
  • the heating device is manufactured in sheets or as a strip material. According to a further development thereof, a desired form of the
  • the heating device is cut out of sheets or strip material or punched out before the heating device is connected to an object by means of its adhesive.
  • the adhesive is covered with a removable protective layer after application to the layer with electrically conductive plastic.
  • an adhesive is mixed with electrically conductive plastic, and that the adhesive mixed with the electrically conductive plastic is applied as a layer to a surface.
  • the invention also provides a heatable object with a heating device, as was stated above as being within the scope of the invention, the
  • Layer with electrically conductive plastic has an adhesive property at least in some areas, by means of which the layer with electrically conductive plastic is connected to at least one component of the object.
  • the layer with electrically conductive plastic has an adhesive property on both sides at least in some areas and other components of the object are connected by means of the adhesive property of the heating device.
  • both of the above-mentioned variants of heatable objects according to the invention can be further developed in that the layer with electrically conductive plastic by means of the adhesive property only in one area of the other constituent or the other constituents. parts of the item is present.
  • the layer with electrically conductive plastic is present at least essentially over an entire surface of the other component of the object.
  • the invention provides a method for producing a heatable object which contains a heating device with a layer with electrically conductive plastic, an adhesive property being produced on the layer with electrically conductive plastic at least in some areas at least on one side, and in that the layer with their side with the adhesive property is then attached to at least one other component of the object.
  • an adhesive property is produced on both sides of the layer with electrically conductive plastic, at least in some areas, and that the layer with each of its sides with the adhesive property is then attached to a different component of the object to connect the other two components. Furthermore, the adhesive property can be produced over the entire surface of the layer with electrically conductive plastic.
  • the respective adhesive property on the layer is preferably made electrically conductive
  • Plastic made by applying adhesive to the corresponding side of the layer with electrically conductive plastic.
  • an adhesive is first mixed with electrically conductive plastic, then the adhesive mixed with the electrically conductive plastic is applied to a first component of the object and then the first component by means of the adhesive with the mixed in electrically conductive plastic with a second component of the object connected.
  • the adhesive is cured after the final contact with the other component of the object.
  • the invention enables a good, simple and reliable construction as well as a good heat distribution.
  • surface heating is created with a carrier and a heating layer which contains electrically conductive plastic, the heating layer being formed by a flexible film and the carrier being flexible.
  • the carrier is a layer, in particular a woven or non-woven fabric, preferably a natural or synthetic non-woven fabric.
  • the carrier can be a molded part made of an elastic material, such as a seat cushion of a seat part or a backrest, or a mattress.
  • the heating layer preferably contains polyurethane, one-component polyurethane, cross-linked one-component polyurethane, a PU foam, UV-resistant and / or hydrolysis-capable or vapor-permeable plastic material.
  • polyurethane one-component polyurethane, cross-linked one-component polyurethane, a PU foam, UV-resistant and / or hydrolysis-capable or vapor-permeable plastic material.
  • other electrically conductive or conductive foaming and foam materials can also be used, plastic materials being preferred.
  • the electrically conductive plastic of the heating layer contains graphite, preferably in powder form.
  • contact ends of power supply wires in the heating layer or between the carrier and the heating layer are in contact with the latter.
  • the contact ends of the power supply wires are preferably attached to the latter by means of the heating layer itself or sewn or glued to the heating layer and / or the carrier.
  • the heating layer is formed directly on the carrier by saying, rolling or brushing.
  • the heating layer can be glued, sewn or welded or otherwise attached to the carrier.
  • a manual and / or electrically / electronically operated and / or automatic current control is also preferably provided, which can be connected to a current source and to which the power supply wires are connected, the contact ends of which are in contact with the heating layer.
  • the invention also provides a heatable object which contains surface heating in accordance with the above configurations.
  • the object is a seat part or a backrest or a cushion of a piece of seating or reclining furniture, in particular a mattress
  • the heating layer is anatomically adapted to the thigh buttocks or back of a user.
  • the heating layer is anatomically shaped in the plane of the seat part or the backrest or the cushion of a piece of seating or reclining furniture, in particular a mattress, in that it is only present according to anatomical specifications or is electrically conductive.
  • the heating layer can have a corresponding thickness profile for anatomically adapted heat emission.
  • Another preferred embodiment of the heatable object consists of a padded cladding, in particular of a vehicle. Such a heatable object can also be designed to emit heat differently over its area.
  • the heating layer is profiled in terms of its areal spread and / or its thickness in order to give off heat differently over its area.
  • the present invention also provides a method for producing surface heating, in which a heating layer with electrically conductive plastic is connected to a carrier.
  • the heating layer is formed by first applying an electrically conductive, in particular foaming or foam plastic material to the carrier and then curing the plastic material on the carrier.
  • a further development of this method consists in that, before the application of the electrically conductive, in particular foaming or foam plastic material to the carrier, contact ends of current supply wires are first arranged on the side of the carrier on which the plastic material is then applied.
  • the heating layer is made of an electrically conductive, in particular foaming or foam plastic material and then arranged on the carrier.
  • the heating layer can preferably be connected to the latter in a slip-resistant manner after being arranged on the carrier. This is preferably done by sewing, gluing or welding the heating layer to the carrier.
  • electrically conductive polyurethane is used as the plastic material.
  • the method can be further developed in that contact ends of current supply wires are attached to the heating layer and / or the carrier, so that they are in contact with the latter in the composite of carrier and heating layer.
  • the contact ends of power supply wires are preferably sewn or glued to the heating layer and or the carrier.
  • the heating layer is profiled in its surface shape and / or thickness during or after its production.
  • this can be done directly on the carrier, for example by means of templates which determine the surface shape of the heating layer. If the heating layer is produced separately, i.e. not directly on the carrier, their shape can be obtained, for example, in shaping frames or by punching out.
  • the thickness can also be varied over the area of the heating layer.
  • the electrically conductive plastic material of the heating layer can contain carbon or carbon particles in order to provide electrical conductivity.
  • the material of the heating layer is such that it at least substantially cures during or after a temperature increase as a result of the heating effect and also remains dimensionally stable and undamaged.
  • polyurethane (PU) is preferably used for the electrically conductive plastic, but in principle all other materials disclosed in the prior art specified at the outset can also be used, provided they can be foamed.
  • FIG. 1 shows schematically in a perspective view a first exemplary embodiment of an object with a heating device in the form of a motor vehicle exterior mirror
  • 2 is a schematic representation of an object analogous to FIG. 1 with a heating device in the form of a motor vehicle exterior mirror according to the prior art in a perspective view
  • 3a, 3b and 3c illustrate a second and a third exemplary embodiment of an object with a heating device schematically in a perspective overview or a sectional view in the form of other interior lining covers of a motor vehicle
  • FIG. 4a and 4b schematically show an inner lining cover and a windshield of a motor vehicle as a fourth and fifth exemplary embodiment of objects with a heating device in a perspective overview and a sectional view
  • FIG. 5 a and 5b schematically show a sixth example of filling an object with a heating device in a perspective overview or a sectional view in the form of a floor covering of a motor vehicle
  • FIG. 6a and 6b in the context of a seventh exemplary embodiment schematically represent the application of the invention to an aircraft wing in a perspective overview or a sectional view.
  • FIG. 1 As a first exemplary embodiment of a heatable object 1 with a heating device 2, a heatable outside mirror 3 of a motor vehicle (not shown) is shown in FIG. 1.
  • the outside mirror 3 contains a mirror plate 4 and a plastic cover 5 as a carrier.
  • a layer 6 which contains electrically conductive plastic, such as polyurethane, and thus represents a heating device 2 which can be operated electrically.
  • the layer 6 has an adhesive property on both sides 7 and 8.
  • To the two sides 7 and 8 are each provided with adhesive 9, which is formed in the example shown by an adhesive.
  • the layer 6 can therefore also be regarded as a double-sided adhesive layer which at the same time has an electrical conductivity, so that it can be heated electrically.
  • FIG. 1 shows schematically electrical connections in the form of conductor ends 10 and 11 on layer 6, via which the latter is preferably controllably connected to a current source (not shown). Depending on the thickness of the layer 6, the electrical connections 10 and 11 can be introduced therein or attached thereto.
  • the two adhesive layers 12 and 13 are not necessary in the case of an exterior mirror 3 according to the invention. However, not only the two adhesive layers 12 and 13 are saved by the invention, but also the assembly effort of such an exterior mirror 3 is reduced since the two adhesive layers 12 and 13 do not have to be attached to the layer 6 ', which leads to further savings.
  • the advantage of the exemplary embodiment according to FIG. 1 therefore lies in the particularly skillful use of layer 6 on the one hand both as a heating layer, since it contains the electrically conductive plastic, and on the other hand as a double-sided adhesive layer, which contains the mirror plate 4 and the plastic cover 5 connects.
  • the plastic cover 5 itself contains the electrically conductive plastic and is provided with the adhesive property on its surface facing the mirror plate 4 by an adhesive 9, such as in particular a Glue is applied.
  • the plastic cover 5 itself functions as a heatable and adhesive layer. This means that a separate double-sided adhesive layer can be omitted, which leads to corresponding savings in assembly. days fill. Since only one layer of adhesive is required compared to two layers in the example according to FIG. 1, additional adhesive material is saved.
  • the layer 6 itself consists only of an adhesive which contains electrically conductive plastic and is applied directly to the plastic cover 5 or the mirror plate 4 when the exterior mirror 3 is installed.
  • This configuration enables the use of plastic covers 5 and mirror plates 4 which have been customary up to now and can be easily produced without changes, while at the same time saving the production and assembly of the double-sided adhesive layer. It is also not necessary to adapt the shape of a double-sided adhesive layer with heating properties, which further rationalizes the manufacturing process of the exterior mirror 3.
  • the adhesive used as adhesive 9 in the above exemplary embodiments has such properties that it hardens after the parts between which it is applied have been joined. So that the connection produced in this way is as permanent as possible, it is advantageous if the adhesive does not soften again when the layer 6 is heated.
  • the extent to which the latter feature is absolutely necessary depends on the properties and requirements that are placed on the heatable object 1 or at least its heating device 2 in the specific embodiment.
  • the possibly prefabricated layer 6 is initially provided with an adhesive on its side (s) provided with adhesive Protective layer / layers (not shown) is provided.
  • the shape of the layer 6 can also be produced from uniform strip or sheet material, for example by punching or cutting.
  • the layer 6 can also be wound up on rolls and fed to the production process of the object 1, in which case either the shape and dimensions of the strip material are kept within the dimensions of the object to be provided with it or after the strip material has been brought together with at least one component, such as For example, the plastic cover 5 can be cut.
  • the layer 6 is only formed during the completion of the object 1, shaping measures for the layer 6 can be dispensed with by simply applying appropriate adhesive 9 to a surface of a component, such as the mirror plate A, of the object 1, so that in a particularly simple manner, a surface covering of the layer 6 on the corresponding component of the object 1 is achieved.
  • the electrical contacts or connections can be attached before, during or after the connection of the layer 6 with another component of the object 1 in the layer 6 or between the layer 6 and the other component of the object 1, ie in particular without that a separate work step is required for this.
  • suitable devices can also be provided on the layer itself, which enable winding, soldering, plugging in, plugging in, clamping, etc. of electrical lines.
  • FIG. 3 a shows a motor vehicle 14 in a crack drawing, in which a sectional plane A through an inner lining 15 of a vehicle door 16 is shown schematically.
  • the schematic sectional view of the inner lining 15 in the sectional plane A according to the arrows shown in FIG. 3a is shown as a second exemplary embodiment of a heatable object 1 with a heating device 2 in FIG. 3b.
  • This inner lining contains a carrier layer 17 to which the layer 6 with electrically conductive plastic is applied by means of adhesive 9. Since the visible surface of the inner lining 15 is formed by the layer 6 with electrically conductive plastic, the free visible side 7 of the layer 6 with electrically conductive plastic can be decorated (e.g. not visible), e.g. a synthetic leather-like appearance, in order to achieve a pleasant exterior of the interior lining 15.
  • the layer 6 with electrically conductive plastic can be attached by means of the adhesive 9 on the side of the carrier layer 17 facing away from the interior 18 of the motor vehicle 14 ,
  • the carrier layer 17 itself can be provided with a decor (not visible) on its visible side, or a decor 30 (only partially indicated for the sake of clarity) can be applied to the visible side of the carrier layer 17.
  • the principle of the two exemplary embodiments just described can be applied to the entire passenger compartment 18 of the motor vehicle 14.
  • vehicle seats for realizing or supporting seat heating a headlining lining, a parcel shelf, pillar linings, consoles, a steering wheel, carpet material, air ducts, in particular inside, for preferentially preheating cold air, etc.
  • heating Devices that contain a layer 6 with electrically conductive plastic are used to improve the indoor climate in a motor vehicle.
  • This not only makes it possible to design the conventional heating systems to be smaller, but also enables the entire interior 18 of a motor vehicle 14 to be heated more quickly and more evenly or in a more uniform manner. Further specific exemplary embodiments for this are illustrated in FIGS. 4a and 4b and 5a and 5b.
  • FIG. 4a shows the position of a sectional plane B on a perspective view of a dashboard 19 and a console 20, the direction of view of the sectional plane being illustrated by arrows as shown in FIG. 4b.
  • 4b is the sectional view through the dashboard 19 in the sectional plane B, a part of an adjacent windshield 21 of the correspondingly equipped motor vehicle 14 also being shown in section.
  • the layer 6 with electrically conductive plastic forms the plastic skin with which the dashboard 19 is covered and which forms the surface of the latter.
  • an adhesive 9 which in the present fourth exemplary embodiment consists of a filling compound, such as
  • the layer 6 with electrically conductive plastic is connected to a carrier layer 17 serving as a holder 22.
  • the layer 6 with electrically conductive plastic forms a molded skin with an embedded conductive material.
  • the layer 6 could be covered with an electrically conductive plastic with a decorative layer (not shown), roughly analogously to the variant shown in FIG. 3c.
  • a windshield 21 is partially shown in section as a further exemplary embodiment of a heatable object 1.
  • This windshield 21 is provided in the area of its circumference with a black ceramic layer 23, which can be applied, for example, by screen printing. Furthermore, it is provided that in the region of the ceramic layer 23, a layer 6 with electrically conductive plastic is attached to the windshield 21 directly or by means of an adhesive 9, such as adhesive.
  • an adhesive 9 such as adhesive.
  • such a heating device 2 can be provided in particular in the area of the rest position of windshield wiper blades (not shown) in order to achieve additional and / or separate heating of the windshield 21 so that frozen windshield wiper blades (not shown) are damaged when the windshield wiper is actuated. Wipers (not shown) can be avoided.
  • the layer 6 with electrically conductive plastic consists of transparent material, then a see-through area of a pane, such as a windshield 21, can also be provided with a corresponding heating device 2. As a result, fogging of a pane equipped in this way can also be removed or avoided and icing can also be defrosted.
  • the heating conductors previously used, for example, in rear windows (not shown) could then be omitted or made smaller.
  • the design of carpet material 24 as heatable objects 1 is illustrated as a further variant for the interior heating of a motor vehicle 14.
  • FIG. 5b in a partial sectional view, which can be seen in the direction of the arrow on a middle plane C in the illustration in FIG. 5a, the structure of such a carpet material 24 is shown.
  • the layer 6 with electrically conductive plastic is connected to a lower carrier layer 17 by means of the adhesive 9.
  • the bristles, loops or generally fibers / threads 25 which form the upper side of the carpet material 24 can either be attached to the carrier layer 17 and pass through the layer 6 with electrically conductive plastic, can only be attached directly to the layer with electrically conductive plastic be, or can start from a separate layer (not shown), which is connected to the layer 6 with electrically conductive plastic by means of adhesive 9. In the latter case, the carrier layer 17 can also be omitted.
  • the layer 6 with electrically conductive plastic is formed directly by the carrier layer 17, or if the layer 6 with electrically conductive plastic by means of the bristles, loops, fibers or threads 25 which cover the upper side the carpet material 24 form, is attached to the support layer 17. Furthermore, it is possible to apply the layer 6 with electrically conductive plastic using an adhesive 9 on the underside of the carrier layer 17, so that conventional carpet material 24 can continue to be manufactured in the usual manner and can be subsequently provided with the heating device 2. It is also possible to retrofit existing carpet material 24 with a heating device 2.
  • the layer 6 by connecting the layer 6 with the electrically conductive plastic material to a power source (not shown), it is possible to achieve a desired heating or heating effect with the corresponding heated objects. Since the electrical resistance of the layer 6 is constant, the electrical power supplied can the heating temperature can be determined or regulated. Advantageously, there is the possibility of using both direct current and alternating current, in particular without generating electrosmog. Since the heat generated in this way is also exclusively radiant heat, there is a certain temperature and heating comfort.
  • heatable objects 1 with heating devices 2 are, for example, a diesel tank made of plastic, with which a contamination of diesel fuel at low outside temperatures can be prevented by maintaining a minimum temperature, an oil pan, by the heating of which motor oil can be preheated for better and more efficient operation of the engine, an entire engine compartment, which enables the engine to be preheated, as well as, for example, a loading space in both passenger cars and trucks.
  • Heating devices 2 can thus advantageously be used in the vehicle interior and in the vehicle exterior.
  • the present invention is not limited to use in the field of motor vehicles. All of the aforementioned exemplary embodiments and variants, as well as analogous applications, can also be used, for example, in other vehicles in two-wheeled vehicles, in the railway sector, in ships and airplanes.
  • FIGS. 6a and 6b An example of this is shown in FIGS. 6a and 6b.
  • FIG. 6a serves to illustrate a sectional plane D in the area of a wing 27 of an aircraft 26, the direction of view of the sectional view of FIG. 6b again being illustrated by arrows.
  • the sectional view itself of a part of the aircraft wing 27 is shown in FIG. 6b.
  • the aircraft wing or the wing 27 has an outer skin 28, on the inside of which a layer 6 with an electrically conductive material is attached.
  • the layer 6 is fastened with electrically conductive material to the outer skin 28 of the wing 27 by means of adhesive 9.
  • the electrically conductive layer 6 enables the wing 27 to be heated from the inside, so that no icing of the wing can occur.
  • the cell 29 of the aircraft 26 can be heated in a similar way and thus protected against icing.
  • Propeller aircraft can be replaced, for example, by using a heating device 2 according to the invention on the propeller (not shown), an expensive electronic heater (not shown) against icing, in particular in the aircraft sector, but also in other applications of the present invention, the present invention can furthermore Deicing fluid can be avoided or at least greatly reduced, which can get into the ground or the air, so that the present invention also contributes to environmental protection.
  • Benches and controls can be equipped with appropriate heating devices.
  • Aliphatic and aromatic polyurethanes are mentioned here only as preferred electrically conductive or electrically conductive plastic materials.
  • the layer is produced with or from electrically conductive plastic by spraying or dipping or by roller application.
  • a corresponding coating is preferably provided in a method for producing a heating device or an object therewith.
  • the invention in particular also makes it possible to adapt or select the coating method with regard to the geometry of the shape to be coated and / or the number of pieces to be produced.
  • Layer thickness of the electrically conductive layer preferably between about 0.05 mm and about 0.3 mm. If the electrically conductive layer is also to serve as a visible surface, it is preferred if the thickness is thicker. In particular, it is also within the scope of the present invention to determine the layer thickness as a function of the requirement or the requirement profile for the heating device or the
  • a layer thickness of 1.2 mm is provided if it is is a surface layer with an additional function, such as a vehicle interior trim.
  • 4aa and 4ab schematically an inner lining cover of a motor vehicle as a fourth embodiment of a surface heating in a perspective overview or a sectional view
  • 5aa and 5ab schematically show a fifth exemplary embodiment of an object with surface heating in a perspective overview or a sectional view in the form of a floor covering of a motor vehicle
  • Fig. 6aa schematically as a sixth embodiment of the invention in a perspective partial view of a motor vehicle seat with a
  • a motor vehicle seat 2 is shown in a sectional or perspective schematic drawing in FIGS. 1 a and 1 a, in the seat part 3 of which a seat heater 4 is integrated.
  • Fig. Laa The structure of the seat part 3 in the vicinity of the surface heating 1 is shown in Fig. Laa, in which a cross-sectional section through the corresponding layers / components of the seat part 3 is shown.
  • the surface of the seat part 3 is one
  • Seat cover 5 formed, which can consist of fabric, synthetic leather or leather or other suitable materials or combinations thereof.
  • the shape of the seat part 3 is at least essentially formed by an elastic foam body 6.
  • the components of the seat heater 4 are arranged between the elastic foam molded body 6 and the seat cover 5.
  • the seat heater 4 is formed by the panel heater 1, which contains a heating layer 7 and a support 8.
  • the carrier 8 is a flexible layer made of a nonwoven fabric with natural and / or synthetic fibers.
  • the heating layer 7 consists of a flexible, electrically conductive plastic foam, such as, for example, electrically conductive polyurethane, from which a film or foil is formed, so that a surface skin is obtained.
  • the film has no recognizable pores, but its microstructure can also be closed-cell or pore-shaped.
  • the material is UN-resistant and / or capable of hydrolysis or vapor-permeable, in order to be used according to the most preferred application for a seat or recliner cushion. This ensures optimal air conditioning for the user through the underlay.
  • the material for forming the film such as UN-resistant and hydrolysis-capable or steam-permeable, cross-linked one-component polyurethane, is applied, for example, by spraying onto the nonwoven fabric, so that a so-called spray flush or a spray skin is formed by this so-called spray flush ner process.
  • the film could also be formed on the seat cover 5 or the elastic foam foam body 6 by this method.
  • the material could also be sprayed into the foam mold for the elastic foam molded body 6 prior to the introduction of the foam material for this, in order to connect to the latter when it is cured.
  • the thickness of the film can be set very precisely, for example, by the spraying duration and, if necessary, varied over its course.
  • the film can also be zen or painting the corresponding material, in particular on the carrier 7, but also produced separately and then possibly connected to the carrier 7, the seat cover 5 or the elastic foam molded body 6.
  • pourable or liquid electrically conductive polyurethane material which contains, for example, carbon particles, as already explained above, is applied to the nonwoven fabric of the carrier 8 by rolling, brushing or spraying, after the contact ends 9 and 10 of the power supply wires 11 or 12 were placed on the nonwoven of the carrier 8.
  • the electrically conductive polyurethane foam is flexible and in electrically conductive contact with the contact ends 9 and 10 of the power supply wires 11 and 12, respectively, and forms the heating layer 7.
  • the contact ends 9 and 10 of the power supply wires 11 and 12 can pass through alone the bond forces between the polyurethane foam and the nonwoven are recorded.
  • the contact ends 9 and 10 of the power supply wires 11 and 12 can also be sewn to the composite (not shown).
  • the electrically conductive PU layer of the heating layer 7 also represents an adhesive or adhesive layer.
  • the heating layer 7 can also be formed separately and brought together with the carrier 8 in the cured but flexible state. The fixation between the heating layer 7 and the
  • Carrier 8 is carried out, for example, by gluing, sewing or welding, depending on which processing can be carried out depending on the materials used.
  • the contact ends 9 and 10 of the current supply wires 11 and 12 do not necessarily have to lie between the carrier 8 and the heating layer 7, but can also be brought together with the latter on the side of the heating layer 7 facing away from the carrier 8 in order to obtain an electrically conductive contact.
  • the nonwoven fabric of the carrier 8 can also initially be a band material on which the heating layer 7 is formed over the entire surface or shaped in accordance with the geometry required for the seat part 3, or the prefabricated heating layer 7 thereon also as a band material or as corresponding to that required for the seat part 3 Geometry shaped parts placed and connected. After that, the desired individual pieces can be made accordingly the geometry required for the seat part 3 can be produced, for example, by punching out. However, it is also possible to first produce the nonwoven fabric in the geometry required for the seat part 3 and then to form the heating layer 7 thereon, which can also be prefabricated beforehand in accordance with the geometry required for the seat part 3.
  • the contact ends 9 and 10 of the power supply wires 11 and 12 can be suitably interposed when producing the composite of the carrier 8 and the heating layer 7 or can be arranged on the at least joined composite for suitable fastening.
  • Fig. Lab the first embodiment of the surface heating 1 is further illustrated in a schematic perspective view with the seat cover 5 omitted.
  • the course of the contact ends 9 and 10 of the power supply wires 11 and 12 is also clearly visible.
  • a current control 13 and a current source 14 for controlling or operating the flat heater 1 are shown schematically.
  • the current control 13 can be operated manually and / or electrically / electronically and / or automatically.
  • the current control 13 is the usual control of the temperature of the vehicle interior or a part thereof, or a separate control.
  • the power supply wires 11 and 12 are connected to the power control 13 and quasi end in their contact ends 9 and 10.
  • a functional unit 15 can be provided on the power supply wires 11 and 12, which e.g. a separate seat occupancy sensor, a heat sensor or temperature sensor, a distributor and much more can include.
  • the carrier 8 could also be formed by other materials and structures, such as a woven fabric.
  • the carrier 8 could also be a molded part, such as the elastic foam molded body 6 of the first exemplary embodiment according to FIGS. Laa and lab itself.
  • Suitable materials for the heating layer ie the electrically conductive foam material
  • the heating layer ie the electrically conductive foam material
  • the backrest 16 which is only partially visible in FIG. Lab can also be equipped with a surface heating 1.
  • all similar objects such as in particular mattresses or other cushions, can be equipped with a surface heating 1 according to the invention without limitation. It is also preferred to use the invention for side panels and floor coverings, particularly in motor vehicles.
  • FIGS. 2aa and 2ab show representations analogous to FIGS. Laa and lab.
  • This previously known surface heating 1 in the form of a seat heating 4 for a motor vehicle seat 2 typically has the seat cover 5 and an elastic foam molded body 6, between which the surface heating 1 lies.
  • the surface heating 1, as illustrated in FIG. 2aa, viewed from the seat cover 5 in turn includes an upper fabric layer 17, an upper foam layer 18, a heating wire layer 19, a lower foam layer 20 and a lower fabric layer 21, which as Prefabricated composite by means of an adhesive tape 22 which is adhesive on both sides and to which the foam foam body 6 which forms the actual seat cushion is connected at least in a non-slip manner.
  • the fabric layers 17 and 21 are first connected to the immediately adjacent foam layers 18 and 20 in a flame-laminating process.
  • FIG. 3aa shows a motor vehicle K in a crack drawing, in which a sectional plane A through an inner lining 23 of a vehicle door 24 is shown schematically.
  • the schematic sectional view of the inner lining 23 in the sectional plane A according to the arrows shown in FIG. 3a a is shown as a second exemplary embodiment of a heatable object with a surface heating 2 in FIG. 3 ab.
  • This inner lining 23 contains, as carrier 8, a carrier layer 24 to which the heating layer 7 is applied with electrically conductive plastic by means of adhesive 25. Since the visible surface of the inner lining 23 is formed by the heating layer 7 with electrically conductive plastic, the free visible side 26 of the heating layer 7 with electrically conductive plastic can be decorated (not seen). bar), for example an appearance similar to synthetic leather, in order to achieve a pleasant exterior of the interior lining 23.
  • the heating layer 7 with electrically conductive plastic can be applied by means of the adhesive 25 on the side of the carrier layer 24 facing away from the interior 26 of the motor vehicle K.
  • the carrier layer 24 itself can be provided with a decor (not visible) on its visible side, or a decor 27 (only partially indicated for the sake of clarity) can be applied to the visible side of the carrier layer 24.
  • Falirzeugsitze can be used to implement or support a seat heating, a headlining, a hat shelf, pillar linings, brackets, a steering wheel, carpet material, air ducts, especially inside for preferential preheating of cold air and much more.
  • used as heatable objects with heating devices which contain a heating layer 7 with electrically conductive plastic, to improve the indoor climate in a motor vehicle. This not only makes it possible to design the conventional heating systems to be smaller, but also enables the entire interior 26 of a motor vehicle K to be heated more quickly and more uniformly or in a targeted manner. Further specific exemplary embodiments for this are illustrated in FIGS. 4aa and 4ab and 5aa and 5ab.
  • 4aa shows the position of a sectional plane B on a perspective view of a dashboard 28 and a console 29, the direction of view of the sectional plane being illustrated by arrows as shown in FIG. 4ab.
  • 4ab is the sectional view through the dashboard 28 in the sectional plane B, a part of an adjacent windshield 30 of the correspondingly equipped motor vehicle K also being shown in section.
  • the heating layer 7 with electrically conductive plastic forms the plastic skin with which the dashboard 28 is covered and which forms the surface of the latter.
  • an adhesive 25 which in the present fourth exemplary embodiment is formed by a filling compound such as foam, etc., the heating layer 7 is connected with electrically conductive plastic to a carrier layer 24 serving as a holder 31 as carrier 8.
  • the heating layer 7 with electrically conductive plastic forms a skin with an embedded conductive material.
  • the heating layer 7 may also be coated with an electrically conductive plastic with a decorative layer (not shown).
  • a windshield 30 is partially shown in section as a further exemplary embodiment of an object with a surface heater 1.
  • This windshield 30 is provided in the area of its circumference with a black ceramic layer 32, which can be applied, for example, by screen printing. Furthermore, it is provided that in the area of the ceramic layer 32 a heating layer 7 with electrically conductive plastic is attached to the windshield 30 directly or by means of an adhesive 25, such as glue.
  • an adhesive 25 such as glue.
  • such a surface heating 1 can be provided in particular in the area of the rest position of windshield wiper blades (not shown) in order to achieve additional and / or separate heating of the windshield 30, so that damage to frozen windshield wiper blades (not shown) when the windshield wiper ( not shown) can be avoided.
  • the heating layer 7 consists of transparent material with electrically conductive plastic, a see-through area of a pane, such as e.g. a windshield 30 can be provided with a corresponding surface heating 1. As a result, fogging of a pane equipped in this way can also be removed or avoided and icing can also be defrosted.
  • the heating conductors previously used, for example, in rear windows (not shown) could then be omitted or made smaller.
  • FIGS. 5aa and 5aa As a further variant for the interior heating of a motor vehicle K is in FIGS. 5aa and
  • FIG. 5ab illustrates the design of carpet material 33 with surface heating 1.
  • FIG. 5ab illustrates the structure of such a carpet material 33 in this sixth exemplary embodiment, which is illustrated in FIG. 5ab in a partial sectional view, which can be seen in the direction of the arrow on a sectional plane C in the illustration in FIG. 5aa.
  • the heating layer 7 is made of electrically conductive plastic by means of the adhesive 25 with a lower one
  • Carrier layer 24 connected as carrier 8.
  • the bristles, loops or generally fibers / threads 34 which form the upper side of the carpet material 33 can either be attached to the carrier layer 24 and pass through the heating layer 7 with electrically conductive plastic, can only be attached directly to the layer with electrically conductive plastic be, or can start from a separate layer (not shown), which by means of adhesive 25 with the heating layer 7 with elec- trically conductive plastic is connected. In the latter case, the carrier layer 24 can also be omitted and the carrier 8 can be formed by such a separate layer (not shown).
  • the heating layer 7 with electrically conductive plastic is formed directly by the carrier layer 24, or if the heating layer 7 with electrically conductive plastic by means of the bristles, loops, fibers or threads 34 which cover the top of the carpet material 33 form, is attached to the support layer 24. Furthermore, it is possible to apply the heating layer 7 with electrically conductive plastic using an adhesive 25 on the underside of the carrier layer 24, so that conventional carpet material 33 can continue to be manufactured in the usual manner and can be provided with the surface heating 1 afterwards. It is also possible to retrofit existing carpet material 33 with a panel heater 1.
  • the heating layer 7 by connecting the heating layer 7 with the electrically conductive plastic material to a power source (not shown), it is possible to achieve a desired heating or heating effect with the corresponding heated objects. Since the electrical resistance of the heating layer 7 is constant, the heating temperature can be determined or regulated via the electrical power supplied. Advantageously, there is the possibility of using both direct current and alternating current, in particular without generating electrosmog. Since the heat generated in this way is also exclusively radiant heat, there is a certain temperature and heating comfort.
  • the interior trim parts are designed to be heatable, in combination with the pure heating effect it is additionally possible to calibrate such an odor and bacterial infestation.
  • heatable objects with a surface heater 1 are, for example, a diesel tank made of plastic, with which a contamination of diesel fuel at low outside temperatures can be prevented by maintaining a minimum temperature, an oil pan, by the heating of which engine oil can be preheated for better and more efficient operation of the engine, an entire engine compartment, which enables the engine to be preheated, as well as, for example, a loading space both in both passenger cars and trucks.
  • surface heating 1 can be used advantageously in the vehicle interior and in the vehicle exterior.
  • the present invention is not limited to use in the field of motor vehicles. All of the aforementioned exemplary embodiments and variants, as well as analog applications, can also be used, for example, in other vehicles for two-wheelers, in the railway sector, in ships and airplanes.
  • Benches and controls can be equipped with appropriate surface heating.
  • Aliphatic and aromatic polyurethanes are mentioned here only as preferred electrically conductive or electrically conductive plastic materials.
  • the layer is produced with or from electrically conductive plastic by spraying or dipping or by roller application.
  • a corresponding coating is preferably provided in a method for producing a heating device or an object therewith.
  • Layer thickness of the electrically conductive layer preferably between about 0.05 mm and about 0.3 mm. If the electrically conductive layer is also to serve as a visible surface, it is preferred if the thickness is thicker. In particular, it is also within the scope of the present invention to determine the layer thickness as a function of the requirement or the requirement profile for the surface heating or the
  • a layer thickness of 1.2 mm is provided if it is is a surface layer with an additional function, such as a vehicle interior trim.
  • plastic material of the heating layer 7 contains or consists of polyurethane, specifically cross-linked and / or one-component polyurethane, which is in particular UV-resistant and hydrolysis-capable or vapor-permeable.
  • a special specialty of the present invention is a variant in which, in addition to the seat heating and the arrangement of the surface heating 1, a weight-dependent seat occupancy detection is realized.
  • seat occupancy detections nowadays have to be implemented separately, for example in order to only trigger an airbag in the event of an accident if an occupant is sitting on a corresponding seat.
  • the surface heating 1 contains in particular a striped heating layer 7 with electrically conductive plastic, as is schematically illustrated in FIG. 6aa, for example.
  • a striped heating layer 7 with electrically conductive plastic as is schematically illustrated in FIG. 6aa, for example.
  • all features according to the design according to FIGS. Laa and lab can be combined with the present exemplary embodiment and can be understood by any person skilled in the art, so that corresponding descriptions are dispensed with here.
  • a mattress with a surface heating according to the invention is nevertheless an essential application of the present invention.
  • a mattress designed in this way has the advantage over the prior art, in which a so-called heating blanket with metallic resistance heating wires has the advantage that the operational safety is at least substantially improved.
  • a surface heating system according to the present invention a fire cannot occur. In the event of damage to the heating layer, which can also be in the form of a strip, there are no sparks, as is the case with metallic conductors.
  • the heating layer 7 is a film.
  • it is a varnish-like polyurethane layer or a polyurethane varnish layer with the specified physical properties, in particular an enrichment rank with coal dust to achieve the electrical conductivity. It is further preferred if it is a one-component polyurethane material and / or an enrichment with coal dust is provided for the electrical conductivity.
  • a preferred thickness of the heating layer 7 is from approximately 0.3 mm to approximately 0.5 mm.
  • a rolling process can also be used, for example.
  • Liquid e.g. Polyurethane applied to a roller and released onto a surface, such as the support or an external base. The distance between the circumferential surface of the roller and the substrate determines the thickness of the heating layer.
  • a lacquer film with the desired properties is again obtained, it being possible for shaping measures to be carried out on the film, including cutting, during roller application or afterwards, as has already been explained above.
  • the heating layer may subsequently be used alone or already together with the carrier with a carrier or e.g. a molded body or a cover are connected by sewing, gluing, Velcro, etc., which was also discussed earlier.
  • the surface heating can be operated with direct or alternating current, whereby the response behavior is better when operated with direct current.
  • a commercially available seat heater from Bauerhin (model S4300) was compared with a surface heater according to the invention with a heating mat made of electrically conductive plastic.
  • the seat and backrest of the seat could be controlled separately.
  • the heating mat was hooked into the top of the seat using headrest sleeves and attached to the edge with adhesive tape.
  • the measurements should provide information about the heating behavior and the current consumption of the two seat heaters.
  • the aim of the experiment was to find out the heating-up times with the associated power consumption for both types. For this purpose, a constant voltage of 12 V was applied to the connection terminals on both heaters.
  • the absorbed current is measured via an ammeter integrated in the voltage supply.
  • the temperature and the current strength are measured at intervals of 1 min.
  • the comparison between the two heaters is carried out using the values recorded on the seat.
  • the temperature measuring point was in the heating mat of the surface heating according to the invention with a heating layer with electrically conductive plastic approximately in the middle of the seat.
  • the temperature measuring point was about 0.5 cm next to a heating wire.
  • the temperature measured on the heating wire itself was 50 ° C after 25 min. This temperature is required in order to to achieve. In practice, however, this involves considerable problems, for example in that the wire can glow through or the seat cover can ignite due to excessive temperatures. These problems are eliminated with the surface heating according to the invention.
  • the superiority of the new surface heating according to the invention compared to the previous design with metallic conductor wires can be seen very clearly from the test results.
  • the surface heating with the heating layer with electrically conductive plastic heats up faster and uses less electricity than conventional seat heating.
  • the invention thus creates a surface heating system that can emit heat over the entire surface, which is also possible in the case of a design with a single unit. spaced strip existing heating layer better than can be guaranteed in the prior art, a pressure load of a pad, such as of a seat foam body reversibly adjusts and does not lead to moisture or air build-up during use.
  • the present invention is by no means limited to the heating of upholstered objects, the applications of the surface heating according to the invention as seat or mattress heating for or in a / a seat, in particular a vehicle seat, a / a mattress are particularly preferred and advantageous, so that separate protection is justified.
  • the flexibility of the heating layer is of particular importance.
  • FIG. 7a A further preferred embodiment of the invention is explained in more detail below with the aid of the exemplary embodiment shown in FIG. 7a with reference to this drawing.
  • a surface heating 1 is shown in section, which can be used as a seat heating 4 as in FIGS. 2aa and down.
  • This surface heating 1 contains, as carrier 8, a polyester or polyamide fabric with, for example, a mesh size of approximately 5 mm, that is to say a braid or grid in which adjacent quasi-parallel strands of material have a spacing of approximately 5 mm.
  • the structure of the carrier 8 and its material is not limited to the above information, but can be easily selected by experts according to the particular mechanical requirements, ie other materials or material combinations as well as thicknesses of the material strands and other mesh sizes can be selected depending on the application.
  • the carrier 8 is provided by spraying, dipping, rolling or otherwise with a layer of electrically conductive plastic in accordance with the present invention, also as indicated in the other documents. This means that the material strands of the polyester or polyamide fabric are completely surrounded or sheathed with the electrically conductive plastic, which thus forms the heating layer 7.
  • polyester or polyamide fabrics i.e. woven into the carrier 8, for example at a distance of 5 to 10 cm, of current-carrying silver or copper wires which, in analogy to the first exemplary embodiment according to FIGS. 1 a and a, form the contact ends 9 and 10 of current supply wires 11 and 12, respectively. Since by spraying, dipping, rolling or otherwise applying (with) the layer of electrically conductive plastic according to the present invention, the silver or copper wires, i.e. the contact ends 9 and 10 are surrounded or sheathed with the electrically conductive plastic, an optimal electrical contact between them is ensured.
  • the distance between the silver or copper wires as contact ends 9 and 10 of the power supply wires 11 and 12 is not limited to the specified range of values, but rather can be selected by experts without any problem in accordance with the particular mechanical and electrical requirements, i.e. other materials or material combinations as well as thicknesses of the contact ends 9 and 10 and other distances can be selected depending on the application.
  • the contact ends 9 and 10 run preferably, but not in a limiting manner, in particular in a direction approximately 90 ° to the direction of travel of a vehicle (not shown).
  • the contact ends 9 and 10 in the form of silver or copper wires can, however, run in any longitudinal or transverse direction.
  • a particularly preferred material composition for the heating layer 7, ie for the electrically conductive plastic, is:
  • Dust is used - 300 g tetrahydro furan,
  • a polyurethane such as and with preference 4715 Lupranol from Fi ⁇ na
  • Preferably proportions of the individual components of the material composition for the heating layer 7, i.e. for the electrically conductive plastic are: approximately 20-35%, preferably approximately 25-30%, particularly preferably approximately 28% of a rubber or in particular mechanically and / or electrically identical or similar material, approximately 20-35%, preferably approximately 25-30%, particularly preferably approximately 28% tetrahydro-furan or a material which acts in particular mechanically and / or electrically identically or similarly, approximately 5-25%, preferably approximately 10-20%, particularly preferably approximately 15% graphite or one in particular mechanically and / or electrically identical or similar material, and about 20 - 35%, preferably about 25 - 30%, particularly preferably about 28% of a polyurethane, such as and preferably 4715 Lupranol from BASF, or one particularly mechanical and / or electrically identical or similarly acting material.
  • a polyurethane such as and preferably 4715 Lupranol from BASF, or one particularly mechanical and / or electrically identical or similarly acting material
  • seat occupancy detection can be implemented in a particularly simple and advantageous manner.
  • Seat occupancy detection works both to determine whether someone is sitting on the seat and, in particular, to determine the weight of the occupant sitting on the seat.
  • This aspect of the present invention is particularly advantageous on the one hand in connection with the surface heating, but on the other hand it can also be used separately as sole seat occupancy detection with a structure and features analogous to those which are disclosed for the surface heating in the entire present documents. which seat occupancy detection is therefore worthy of protection on its own and may be part of separate property right registrations and property rights.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
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  • Thermal Sciences (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Surface Heating Bodies (AREA)

Abstract

L'invention se rapporte à un dispositif de chauffage qui comprend une couche contenant un plastique électroconducteur. Cette couche, qui contient un plastique électroconducteur, présente, sur au moins une partie d'au moins une face, une propriété adhérente. L'invention concerne également un objet chauffable qui comprend un tel dispositif de chauffage, ladite couche qui contient un plastique électroconducteur présentant, sur au moins une partie d'une face, une propriété adhérente qui lui permet d'être reliée à au moins un composant de cet objet. L'invention se rapporte par ailleurs à un dispositif de chauffage de surface comprenant un support et une couche de chauffage contenant un plastique électroconducteur, cette couche de chauffage étant constituée d'un film souple et le suuport étant flexible. L'invention concerne aussi un procédé de production d'un dispositif de chauffage comprenant une couche qui contient un plastique électroconducteur, procédé selon lequel au moins une face de cette couche est recouverte d'un adhésif. L'invention concerne en outre un procédé de production d'un objet chauffable qui comprend un dispositif de chauffage pourvu d'une couche contenant un plastique électroconducteur, procédé selon lequel une propriété adhérente est générée sur au moins une partie d'au moins une face de la couche contenant un plastique électroconducteur, et la couche qui comporte une face présentant une propriété d'adhérence est ensuite fixée sur au moins un autre composant de l'objet. L'invention se rapporte également à un procédé de production d'un dispositif de chauffage de surface, selon lequel une couche de chauffage contenant un plastique électroconducteur est reliée à un support, et cette couche de chauffage est formée par application préalable, sur le support, d'un matériau plastique électroconducteur, en particulier moussant ou alvéolaire, puis durcissement de ce matériau plastique sur le support.
PCT/DE2003/001309 2000-12-23 2003-04-22 Dispositif de chauffage et son procede de production, et objet chauffable et son procede de production WO2003088715A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE10391607T DE10391607D2 (de) 2002-04-18 2003-04-22 Heizeinrichtung und Verfahren zu deren Herstellung sowie heizbarer Gegenstand und Verfahren zu dessen Herstellung
AU2003233755A AU2003233755A1 (en) 2002-04-18 2003-04-22 Heating device and method for the production thereof and heatable object and method for producing the same
EP03727207A EP1500306A2 (fr) 2002-04-18 2003-04-22 Dispositif de chauffage et son procede de production, et objet chauffable et son procede de production
US10/967,664 US7804044B2 (en) 2000-12-23 2004-10-18 Heating device and method for the production thereof and heatable object and method for producing same
US11/109,458 US7977608B2 (en) 2001-12-21 2005-04-18 Surface heating system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20206191.4 2002-04-18
DE20206191 2002-04-18

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
PCT/DE2001/004879 Continuation WO2002052899A1 (fr) 2000-12-23 2001-12-21 Chauffage de surface, ses procedes de production et objet chauffable
US10/464,822 Continuation-In-Part US7250586B2 (en) 2000-12-23 2003-06-18 Surface heating system and method for producing it and a heatable object

Related Child Applications (3)

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US10/464,822 Continuation US7250586B2 (en) 2000-12-23 2003-06-18 Surface heating system and method for producing it and a heatable object
US10/967,664 Continuation US7804044B2 (en) 2000-12-23 2004-10-18 Heating device and method for the production thereof and heatable object and method for producing same
US11/109,458 Continuation US7977608B2 (en) 2001-12-21 2005-04-18 Surface heating system

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WO2008039268A1 (fr) * 2006-09-27 2008-04-03 Illinois Tool Works Inc. Dispositif de chauffage de siège avec un détecteur d'occupant
US20100242996A1 (en) * 2009-03-30 2010-09-30 Airbus Operations Limited Aircraft component with aerodynamic surface coating
DE102011116816A1 (de) * 2011-10-22 2013-04-25 Audi Ag Kraftfahrzeug, umfassend wenigstens eine Heizeinrichtung für eine in dem Kraftfahrzeug vorgesehene Komponente
CN103832303A (zh) * 2012-11-26 2014-06-04 W.E.T.汽车系统有限公司 用于机动车辆的加热器及其形成方法
LU92228B1 (de) * 2013-06-20 2014-12-22 Iee Sarl Heizfähiges Innenraumverkleidungselement
LU92227B1 (de) * 2013-06-20 2014-12-22 Iee Sarl Innenraumverkleidungselement
WO2019167910A1 (fr) * 2018-02-28 2019-09-06 マツダ株式会社 Structure d'habitacle
WO2019167911A1 (fr) * 2018-02-28 2019-09-06 マツダ株式会社 Dispositif de régulation de température de compartiment de véhicule
EP3914041A1 (fr) * 2020-05-20 2021-11-24 Wißmann, Wilhelm Plaque chauffante
WO2023034166A1 (fr) * 2021-09-01 2023-03-09 Gentherm Gmbh Colle conductrice utilisée comme protection dans les mains sur des capteurs de détection
DE202023000771U1 (de) 2023-04-06 2024-07-09 Fior Familie Gmbh Teppich, insbesondere für den Innenbereich einer Sportanlage

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DE19711522A1 (de) 1997-03-19 1998-10-01 Josef Winter Widerstands-Heizvorrichtung für flächige Objekte, insbesondere für Spiegel
WO1999066766A1 (fr) 1998-06-15 1999-12-23 Elsaesser Manfred Element chauffant ohmique electrique

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US3768156A (en) 1970-10-28 1973-10-30 Junex Electrix Ltd Method of forming electrical heating panels for textile articles
DE2616771A1 (de) 1975-04-21 1976-11-04 Uop Inc Heizkoerper
DE3316182A1 (de) 1983-05-04 1984-11-08 Basf Ag, 6700 Ludwigshafen Verwendung von pyrrol-polymerisaten als elektrische heizelemente
DE3321516A1 (de) 1983-06-15 1984-12-20 Basf Ag, 6700 Ludwigshafen Antistatische und/oder elektrisch leitfaehige, thermoplastische polyurethane, verfahren zu deren herstellung und deren verwendung
DE3524631A1 (de) 1984-07-10 1986-01-16 Daikin Industries, Ltd., Osaka Polymeres verbundheizelement
DE8523328U1 (de) 1985-08-13 1986-11-20 Lohmann Gmbh & Co Kg, 5450 Neuwied Flächiges Heizelement
DE69101703T2 (de) 1990-01-24 1994-10-13 Otis M Hastings Elektrisch leitendes laminat für temperaturregelung von oberflächen.
DE19711522A1 (de) 1997-03-19 1998-10-01 Josef Winter Widerstands-Heizvorrichtung für flächige Objekte, insbesondere für Spiegel
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WO1999066766A1 (fr) 1998-06-15 1999-12-23 Elsaesser Manfred Element chauffant ohmique electrique

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008039268A1 (fr) * 2006-09-27 2008-04-03 Illinois Tool Works Inc. Dispositif de chauffage de siège avec un détecteur d'occupant
US7500536B2 (en) 2006-09-27 2009-03-10 Illinois Tool Works Inc. Seat heater with occupant sensor
US20100242996A1 (en) * 2009-03-30 2010-09-30 Airbus Operations Limited Aircraft component with aerodynamic surface coating
DE102011116816A1 (de) * 2011-10-22 2013-04-25 Audi Ag Kraftfahrzeug, umfassend wenigstens eine Heizeinrichtung für eine in dem Kraftfahrzeug vorgesehene Komponente
CN103832303A (zh) * 2012-11-26 2014-06-04 W.E.T.汽车系统有限公司 用于机动车辆的加热器及其形成方法
LU92227B1 (de) * 2013-06-20 2014-12-22 Iee Sarl Innenraumverkleidungselement
LU92228B1 (de) * 2013-06-20 2014-12-22 Iee Sarl Heizfähiges Innenraumverkleidungselement
WO2014202768A1 (fr) * 2013-06-20 2014-12-24 Iee International Electronics & Engineering S.A. Élément d'habillage, à capacité de chauffe, pour espace intérieur
US10442273B2 (en) 2013-06-20 2019-10-15 Iee International Electronics & Engineering S.A. Heatable interior lining element
WO2019167910A1 (fr) * 2018-02-28 2019-09-06 マツダ株式会社 Structure d'habitacle
WO2019167911A1 (fr) * 2018-02-28 2019-09-06 マツダ株式会社 Dispositif de régulation de température de compartiment de véhicule
EP3914041A1 (fr) * 2020-05-20 2021-11-24 Wißmann, Wilhelm Plaque chauffante
WO2023034166A1 (fr) * 2021-09-01 2023-03-09 Gentherm Gmbh Colle conductrice utilisée comme protection dans les mains sur des capteurs de détection
DE202023000771U1 (de) 2023-04-06 2024-07-09 Fior Familie Gmbh Teppich, insbesondere für den Innenbereich einer Sportanlage

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DE10391607D2 (de) 2005-05-12
WO2003088715A3 (fr) 2003-12-31
EP1500306A2 (fr) 2005-01-26
AU2003233755A8 (en) 2003-10-27

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