EP2533604A1 - Heating device - Google Patents
Heating device Download PDFInfo
- Publication number
- EP2533604A1 EP2533604A1 EP12165179A EP12165179A EP2533604A1 EP 2533604 A1 EP2533604 A1 EP 2533604A1 EP 12165179 A EP12165179 A EP 12165179A EP 12165179 A EP12165179 A EP 12165179A EP 2533604 A1 EP2533604 A1 EP 2533604A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- heating device
- substrate
- layer
- layers
- 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.)
- Granted
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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
Abstract
Description
Die Erfindung bezieht sich auf eine Heizvorrichtung mit einem Heizelement mit flächigem Substrat und darauf angeordneter, durch elektrische Bestromung erhitzbarer Heizschicht.The invention relates to a heating device with a heating element with flat substrate and disposed thereon, heated by electrical current heating layer.
Derartige Heizvorrichtungen sind als sogenannte Flächenheizungen zur Erwärmung der Sitzfläche und Rückenlehne von Fahrzeugsitzen bekannt, vergleiche beispielsweise die
Bislang wurden jedoch keine flächigen Heizvorrichtungen für weitere Anwendungen, insbesondere zur Erwärmung von Luft- oder Gasströmungen, aufgezeigt.So far, however, no two-dimensional heating devices have been shown for further applications, in particular for heating air or gas flows.
Hier setzt die Erfindung an. Dabei ist es Aufgabe der Erfindung, eine einfach herstellbare Heizvorrichtung zur Erwärmung großer Flächen sowie von Luft- und Gasströmungen zu schaffen.This is where the invention starts. It is an object of the invention to provide an easy to manufacture heater for heating large areas and of air and gas flows.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass ein Substrat aus wärmeisolierendem Partikelschaumstoff vorgesehen ist. Die Erfindung nutzt die Erkenntnis, dass sich mit Partikelschaumstoffen äußerst leichte und mechanisch stabile Elemente herstellen lassen. Dementsprechend besitzen Heizelemente mit einem flächigen Substrat aus Partikelschaumstoff und einer darauf angeordneten Heizschicht ein geringes Gewicht bei guter mechanischer Stabilität. Des Weiteren ist vorteilhaft, dass der Partikelschaumstoff einen schlechten Wärmeleiter darstellt und dementsprechend von der Heizschicht nur vergleichsweise wenig Wärme in das Substrat übertragen wird. Somit kann die in der Heizschicht anfallende Wärme weitgehend ohne Verluste und ohne Verzögerung auf über die Heizschicht strömendes Gas übertragen werden. Dabei ist vorteilhaft, dass die Heizschicht großflächig ausgebildet sein kann und dementsprechend Wärme auf große Gas- bzw. Luftmengen auch bei geringer Strömungsgeschwindigkeit übertragen kann. Außerdem kann mit der erfindungsgemäßen Heizvorrichtung eine innenseitig beheizbare Isolationsschicht bzw. eine Flächenheizung, z.B. in Gebäuden, erstellt werden.This object is achieved in that a substrate made of heat-insulating particle foam 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.
Gemäß einer besonders bevorzugten Ausführungsform kann bei der erfindungsgemäßen Heizvorrichtung vorgesehen sein, dass zumindest im Bereich einer Heizzone ein von einem Gasstrom durchsetzter Rohrabschnitt aus wärmeisolierendem Partikelschaum und innerhalb dieses Rohrabschnittes mindestens eine Platte aus wärmeisolierendem Partikelschaum mit einer durch die elektrische Bestromung erhitzbaren Heizschicht angeordnet ist.According to a particularly preferred embodiment may be provided in the heating device according to the invention that at least in the region of a heating zone 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 particles with a heatable by the electric current heating layer is arranged.
Grundsätzlich können Heizschichten beidseitig der Platte angeordnet sein.In principle, heating layers can be arranged on both sides of the plate.
Herstellungsmäßig kann es jedoch vorteilhaft sein, die Platten aus Partikelschaum lediglich mit einseitiger Heizschicht zu versehen und gegebenenfalls aus zwei derartigen Platten eine gebaute Doppelplatte mit beidseitiger Heizschicht herzustellen. Innerhalb des Rohrabschnittes sind vorzugsweise mehrere derartige Platten mit zur Strömungsrichtung des Gases bzw. der Luft paralleler Plattenebene parallel zueinander angeordnet.In terms of production, however, it may be advantageous to provide the plates of particle foam with only one-sided heating layer and, if appropriate, to produce from two such plates a built double plate with a heating layer on both sides. Within the pipe section, 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.
Im Bereich der die Heizschichten tragenden Platten kann das Rohrteil ein Fenster aufweisen, welches beispielsweise aus Acrylglas hergestellt sein kann. Dies bietet den Vorteil, dass der Betrieb der Heizschichten von außerhalb des Rohrabschnittes überwacht werden kann, beispielsweise mit auf Wärmestrahlung reagierenden Sensoren. Dies ist unter anderem auch deshalb vorteilhaft, weil die Heizschichten zweckmäßiger Weise elektrisch parallel geschaltet sein sollten, jedoch mit der Möglichkeit, die jeweilige elektrische Bestromung in Abhängigkeit von der Temperatur und/oder der die jeweilige Heizschicht durchsetzten elektrischen Ströme steuern bzw. regeln zu können. Ohne eine derartige Steuerung bzw. Regelung besteht grundsätzlich die Gefahr einer Überlastung einer einzelnen Heizschicht. Dies beruht darauf, dass der elektrische Widerstand der Kunststoffheizschichten stark temperaturabhängig ist, so dass ohne Steuerungs- und Regelungsmaßnahmen der Fall einer extrem unterschiedlichen elektrischen Belastung einzelner Heizschichten auftreten könnte.In the area of the plates carrying the heating layers, the tube part can have a window, which can be produced, for example, from acrylic glass. This offers the advantage that the operation of the heating layers from outside the pipe section can be monitored, for example with responsive to heat radiation sensors. This is advantageous, inter alia, because the heating layers should expediently be electrically connected in parallel, but with the possibility of being able to control or regulate the respective electrical current supply as a function of the temperature and / or the electrical currents passing through the respective heating layer. Without such a control or regulation is basically the risk of overloading a single heating layer. This is based on the fact that the electrical resistance of the Kunststoffheizschichten is highly temperature-dependent, so that could occur without control and regulatory measures, the case of extremely different electrical load of individual heating layers.
Im Übrigen wird hinsichtlich bevorzugter Merkmale der Erfindung auf die Ansprüche und die nachfolgende Erläuterung der Zeichnung verwiesen, anhand der besonders bevorzugte Ausführungsformen der Erfindung näher beschrieben werden.Incidentally, with regard to preferred features of the invention, reference is made to the claims and the following explanation of the drawing, are described in detail with reference to the particularly preferred embodiments of the invention.
Schutz wird nicht nur für angegebene oder dargestellte Merkmalskombinationen, sondern auch für prinzipiell beliebige Kombinationen der angegebenen oder dargestellten Einzelmerkmale beansprucht.Protection is claimed not only for specified or illustrated feature combinations, but also for any combination of the specified or illustrated individual features.
In der Zeichnung zeigt
- Fig. 1
- eine stark schematisierte perspektivische Darstellung einer ersten Heizvorrichtung zur Erzeugung eines Warmluftstromes,
- Fig. 2
- eine ähnliche Darstellung einer weiteren Ausführungsform,
- Fig. 3
- ein Schnittbild einer Heizfläche,
- Fig. 4
- ein Schnittbild einer Heizplatte mit Freiformoberflächen,
- Fig. 5
- ein Schnittbild einer Heizplatte mit doppelseitiger Heizschicht,
- Fig. 6
- ein Schnittbild einer Mehrzonenflächenheizung,
- Fig. 7
- ein Schnittbild einer Anordnung zur Kontakterwärmung eines Bauteiles,
- Fig. 8
- ein Schnittbild einer Anordnung zur Erwärmung eines Luft- oder Gasstromes und
- Fig. 9
- ein Schnittbild einer Flächenheizung.
- Fig. 1
- a highly schematic perspective view of a first heater for generating a stream of hot air,
- Fig. 2
- a similar representation of another embodiment,
- Fig. 3
- a sectional view of a heating surface,
- Fig. 4
- a sectional view of a heating plate with free-form surfaces,
- Fig. 5
- a sectional view of a heating plate with double-sided heating layer,
- Fig. 6
- a sectional view of a multi-zone surface heating,
- Fig. 7
- a sectional view of an arrangement for contact heating of a component,
- Fig. 8
- a sectional view of an arrangement for heating an air or gas stream and
- Fig. 9
- a sectional view of a surface heating.
Gemäß
Da sowohl das Mantelrohr als auch die Substratplatten der Heizelemente aus schlecht wärmeleitendem Partikelschaum bestehen, wird praktisch die gesamte Wärme der jeweiligen Heizschichten 4 verzögerungsfrei an die strömende Luft abgegeben.Since both the jacket tube and the substrate plates of the heating elements consist of poor heat-conducting particle foam, virtually all the heat of the
Die in
Bei beiden dargestellten Ausführungsformen ist vorteilhaft, dass das Maß des Wärmestroms, der von den Heizschichten auf den durch das Mantelrohr 2 geleiteten Luftstrom 10 übergeht, praktisch verzögerungsfrei der elektrischen Bestromung der Heizschichten 4 folgt.In both illustrated embodiments, it is advantageous that the amount of heat flow which passes from the heating layers to the
Die
Die
Somit lassen sich schnell wirksam werdende Wandheizungen oder dergleichen erstellen, wobei der von den Wänden umschlossene Raum durch das wärmeisolierende Substrat 11 gleichzeitig gegen Wärmeverluste geschützt wird.Thus, wall heatings or the like which become effective quickly can be created, wherein the space enclosed by the walls is simultaneously protected against heat loss by the heat-insulating
Die
Im Übrigen ist es auch prinzipiell möglich, die beiden Heizlackschichten 12 elektrisch in Reihe zu schalten. In diesem Falle werden die in
Claims (8)
dadurch gekennzeichnet,
dass das Substrat aus einem schlecht wärmeleitenden Partikelschaumstoff besteht.Heating device with a heating element (3) having a planar substrate and heating layer (4) which can be heated by electric current supply thereon,
characterized,
that the substrate consists of a poorly heat-conductive particle foam.
dadurch gekennzeichnet,
dass mehrere voneinander beabstandete und zueinander parallele Platten vorgesehen sind.Heating device according to claim 2,
characterized,
that a plurality of spaced apart and mutually parallel plates are provided.
dadurch gekennzeichnet,
dass im Bereich der Platten bzw. Heizelemente (3) im Rohrabschnitt ein Fenster (9) mit zur Plattenebene im Wesentlichen senkrechter Fensterebene vorgesehen ist.Heating device according to one of claims 1 to 3,
characterized,
that is provided to the plate plane substantially vertical window plane in the area of the plates or heating elements (3) in the pipe section a window (9).
dadurch gekennzeichnet,
dass Polystyrol- und/oder Polypropylen-Partikelschaumstoffe vorgesehen sind.Heating device according to one of claims 1 to 4,
characterized,
that polystyrene and / or polypropylene particle foams are provided.
dadurch gekennzeichnet,
dass die Heizschicht bzw. Heizschichten (4) aus einem mit Carbon-Nanoröhren verfüllten Kunststoff besteht.Heating device according to one of claims 1 to 5,
characterized,
that the heating layer or heating layers (4) consists of a plastic filled with carbon nanotubes.
dadurch gekennzeichnet,
dass die Heizschicht Kautschuk, Tetrahydrofuran, Graphit und/oder Polyurethan enthält.Heating device according to claim 6,
characterized,
that the heating layer rubber, tetrahydrofuran, graphite and / or polyurethane.
dadurch gekennzeichnet,
dass das Kunststoffmaterial der Heizschicht mit Carbon-Nanopartikeln verfüllt ist.Heating device according to claim 7,
characterized,
that the plastic material of the heating layer is filled with carbon nanoparticles.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12165179T PL2533604T3 (en) | 2011-06-10 | 2012-04-23 | Heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202011101651U DE202011101651U1 (en) | 2011-06-10 | 2011-06-10 | heater |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2533604A1 true EP2533604A1 (en) | 2012-12-12 |
EP2533604B1 EP2533604B1 (en) | 2017-06-14 |
Family
ID=45347334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12165179.8A Not-in-force EP2533604B1 (en) | 2011-06-10 | 2012-04-23 | Heating device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2533604B1 (en) |
DE (1) | DE202011101651U1 (en) |
PL (1) | PL2533604T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013021079B4 (en) | 2013-12-18 | 2016-03-03 | Lisa Dräxlmaier GmbH | Heating device for a vehicle |
Citations (7)
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 (en) * | 1985-01-30 | 1985-05-15 | Schober, Elisabeth, 8000 München | Nozzle for connection in the supply air duct of a motor vehicle air heating system |
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 |
DE19823506A1 (en) * | 1998-05-26 | 1999-12-09 | Latec Ag Zollikon | Heating jacket for pipes |
US20050244587A1 (en) * | 2003-09-09 | 2005-11-03 | Shirlin Jack W | Heating elements deposited on a substrate and related method |
CA2500588A1 (en) * | 2005-03-21 | 2006-09-21 | Yonggang Y.Z. Zhang | Foam heater element |
EP1348316B1 (en) | 2000-12-23 | 2010-03-10 | BrainCOM AG | Surface heating device, method for producing the same and heatable object |
-
2011
- 2011-06-10 DE DE202011101651U patent/DE202011101651U1/en not_active Expired - Lifetime
-
2012
- 2012-04-23 PL PL12165179T patent/PL2533604T3/en unknown
- 2012-04-23 EP EP12165179.8A patent/EP2533604B1/en not_active Not-in-force
Patent Citations (7)
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 (en) * | 1985-01-30 | 1985-05-15 | Schober, Elisabeth, 8000 München | Nozzle for connection in the supply air duct of a motor vehicle air heating system |
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 |
DE19823506A1 (en) * | 1998-05-26 | 1999-12-09 | Latec Ag Zollikon | Heating jacket for pipes |
EP1348316B1 (en) | 2000-12-23 | 2010-03-10 | BrainCOM AG | Surface heating device, method for producing the same and heatable object |
US20050244587A1 (en) * | 2003-09-09 | 2005-11-03 | Shirlin Jack W | Heating elements deposited on a substrate and related method |
CA2500588A1 (en) * | 2005-03-21 | 2006-09-21 | Yonggang Y.Z. Zhang | Foam heater element |
Also Published As
Publication number | Publication date |
---|---|
PL2533604T3 (en) | 2017-11-30 |
DE202011101651U1 (en) | 2011-11-11 |
EP2533604B1 (en) | 2017-06-14 |
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