EP3211349B1 - Infrared heating - Google Patents

Infrared heating Download PDF

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Publication number
EP3211349B1
EP3211349B1 EP17157624.2A EP17157624A EP3211349B1 EP 3211349 B1 EP3211349 B1 EP 3211349B1 EP 17157624 A EP17157624 A EP 17157624A EP 3211349 B1 EP3211349 B1 EP 3211349B1
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EP
European Patent Office
Prior art keywords
hollow body
tubular hollow
heating element
air flow
heating
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EP17157624.2A
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German (de)
French (fr)
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EP3211349A1 (en
Inventor
Christian Röck
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Redwell Manufaktur GmbH
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Redwell Manufaktur GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/022—Air heaters with forced circulation using electric energy supply
    • 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
    • H05B3/0033—Heating devices using lamps
    • H05B3/0071—Heating devices using lamps for domestic applications
    • H05B3/008—Heating devices using lamps for domestic applications for heating of inner spaces
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/58—Heating hoses; Heating collars

Definitions

  • the invention relates to a radiator with an electrical surface heating element, according to the preamble of claim 1.
  • a heater with a tubular hollow body and an air flow generator for an air flow directed parallel to the longitudinal axis of the tubular hollow body is in the FR 936.904 described.
  • Another heater with an air flow generator is in the US 5,655,055 described.
  • Heaters with heating foils are in the DE 10 2007 017 349 A1 and the DE 103 43 859 A1 described.
  • the AT 515 422 A4 describes a heater that can be used simultaneously with LED lights.
  • the electrical surface heating element generates heat primarily in the form of infrared radiation and, after the infrared radiation has been emitted by the heat-radiating surface, does not directly heat the room air, but rather object surfaces that are hit by the infrared radiation. The room air is subsequently heated indirectly by the heated objects.
  • Versions in the form of an infrared heating panel are known, in which an electrical heating conductor is used, which is laid in a groove in an electrically insulating base plate in a serpentine manner.
  • the base plate can be made from a ceramic material, a light refractory material, and the like.
  • the overlying cover plate can be made of aluminum, for example, and additional layers can also be provided, such as a hard glass enamelled surface layer that can be produced in different colors and can be provided with decorative motifs or decorations, or a back layer made of galvanized sheet metal or stainless steel.
  • the panel assembly can finally be held in a frame, for example made of anodized aluminum profiles, and provided with additional elements such as corner elements or brackets.
  • the heating power of such an infrared heater is largely determined by the electrical power with which the electric heating element is operated, whereby in the design and construction of infrared heaters an attempt is made to optimize the efficiency of the heating power, i.e. to best convert the electrical power into the amount of heat given off .
  • an infrared heating panel as described above, is usually arranged on a wall and the heating power radiated in the direction of the wall is generally hardly available for heating the room air stands.
  • there are installation situations in which the indirect heating of the ambient air described above is comparatively slow because there is a lack of suitable interior surfaces, for example in large glazed conservatories and the like.
  • rapid heating of the room air is also desirable in such installation situations.
  • the radiator according to the invention should also be easy to install retrospectively and at low cost and can be used flexibly in different areas of the room.
  • Claim 1 relates to a radiator with an electrical surface heating element, wherein a tubular hollow body formed by an outer covering is provided, which is provided with an air flow generator for an air flow directed parallel to the longitudinal axis of the tubular hollow body, and the tubular hollow body at least on one of its has at least one outflow opening for the air flow on both end faces.
  • the electrical surface heating element is a heat mainly in the form of infrared radiation-generating surface heating element, and the electrical surface heating element for heat radiation occurring mainly perpendicular to the surface of the hollow body in the exterior and interior of the tubular hollow body on the inside of the tubular hollow body is arranged, the electrical surface heating element being provided on its side directed into the interior of the tubular hollow body with an aluminum covering forming an inner covering of the tubular hollow body.
  • the electrical surface heating element generates heat primarily in the form of infrared radiation and thus does not cause direct heating of the room air, but rather of object surfaces that are hit by the infrared radiation.
  • the indoor air is rather heated indirectly by the heated objects.
  • the main radiation direction is oriented perpendicular to the surface heating element, although the heat radiation is of course also carried out at an angle to the main radiation direction. Since according to the invention the electrical surface heating element on the inside of a tubular Therefore, the heat radiation mainly occurs perpendicular to the surface of the hollow body, that is, in the case of a cylindrical envelope in the radial direction of the tubular hollow body in the exterior and interior of the tubular hollow body.
  • the surface heating element thus also causes heating of the inside of the tubular hollow body and thus also of the inner air volume enclosed by the tubular hollow body. Due to the air flow generator provided according to the invention and the at least one outflow opening, this heated air volume is blown out into the outer space of the tubular hollow body. Since the heating of the inside of the tubular hollow body and thus also of the inner air volume enclosed by the tubular hollow body takes place comparatively quickly, a heated air volume is also quickly available for heating the room air.
  • the desired ambient air temperature is then maintained primarily by the radiation power emitted by the electrical surface heating element into the outer space of the tubular hollow body. The efficiency of the radiator is increased because the radiant power emitted on both sides by the electrical panel heating element can be used to heat the room air.
  • the radiation power emitted into the outer space of the tubular hollow body is used as in known infrared heating panels, but in addition the radiation power emitted into the interior of the tubular hollow body is used for an initial, rapid heating of the room air via a blown-out air stream. This not only increases the efficiency of the radiator, but also accelerates the heating of the room air.
  • the electrical surface heating element is preferably designed as a heating conductor arranged in or on a flat carrier, in particular made of a fleece or fabric.
  • the heat conductor can be woven into a glass fiber fabric or fleece, for example, or into an electrically insulating plastic.
  • the electrical surface heating element is, according to the invention, provided on its side directed into the interior of the tubular hollow body with an aluminum lamination, which thus forms an inner covering of the tubular hollow body.
  • the outer casing is preferably made of a metallic material, in particular aluminum, in order to give the structure the necessary structural stability.
  • the air flow generator can be designed as an axial fan, for example, which is mounted in or on the interior of the tubular hollow body with an axis of rotation parallel to the longitudinal axis of the tubular hollow body.
  • the Fig. 1 shows a perspective view of an embodiment of a radiator according to the invention with a hollow body open on both sides, which is composed of approximately two half-shells made of extruded aluminum profiles.
  • the two assembled half-shells form an outer casing 1 on the inside of which an electrical surface heating element 2 is arranged.
  • the electrical surface heating element 2 is fastened, for example glued, to the inside of the outer casing 1 and is preferably designed as a heating conductor arranged in or on a flat carrier, in particular made of a fleece or fabric.
  • the heat conductor can be woven into a glass fiber fabric or fleece, for example, or into an electrically insulating plastic.
  • the electrical surface heating element 2 is provided on its side facing the interior of the tubular hollow body with an aluminum lamination which thus forms an inner envelope of the tubular hollow body.
  • the tubular hollow body can be mounted both in a horizontal position and in a vertical position, for example on the ceiling of an interior space, using steel cables 8 or the like, and can have length dimensions of approximately one meter to several meters.
  • the Fig. 2 shows a sectional view of an embodiment of a radiator according to the invention along the longitudinal axis of the radiator, which is closed on a first side with a first cover 3 and on a second side with a second cover 4.
  • the second cover 4 On its side facing the interior of the tubular hollow body, the second cover 4 carries an air flow generator 5, which is designed approximately as an axial fan and is mounted on the second cover 4 with an axis of rotation parallel to the longitudinal axis of the tubular hollow body. If the air flow generator 5 is in operation, an air flow along the longitudinal axis of the tubular hollow body thus arises, which leaves the interior of the tubular hollow body via outflow openings of the first cover 3, which can be embodied, for example, as slots or bores in the first cover 3. Suction openings can be provided in the second cover 4, through which the air flow generator 5 can suck in outside air.
  • the heating conductor of the electrical surface heating element 2 runs in a serpentine manner in or on the fleece or fabric and is connected to an electrical supply line 7 via a control device 6.
  • the control device 6 is also connected to the air flow generator 5.
  • the connection voltage can be 12-400 V and the connection power can be chosen to be unlimited, whereby the design of the electrical connection power and thus the heating power is determined depending on the requirements of the room to be heated.
  • the surface heating element 2 and the air flow generator 5 can be controlled via an on / off switch or via appropriate temperature or power controllers.
  • the airflow generator 5 and that Surface heating element 2 can also be operated independently of one another.
  • both the surface heating element 2 and the air flow generator 5 can be operated in an initial heating phase in order to heat up the room air quickly, and in a subsequent heating phase the air flow generator 5 can be switched off in order to achieve the maintenance of a desired room temperature by the surface heating element 2 alone.
  • the device according to the invention can be used as an air circulator in summer with the surface heating element 2 switched off and the air flow generator 5 switched on.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Central Heating Systems (AREA)

Description

Die Erfindung bezieht sich auf einen Heizkörper mit einem elektrischen Flächenheizelement, gemäß dem Oberbegriff von Anspruch 1.The invention relates to a radiator with an electrical surface heating element, according to the preamble of claim 1.

Ein Heizgerät mit einem röhrenförmigen Hohlkörper und einem Luftstromerzeuger für einen parallel zur Längsachse des röhrenförmigen Hohlkörpers gerichteten Luftstrom wird in der FR 936.904 beschrieben. Ein weiteres Heizgerät mit einem Luftstromerzeuger wird in der US 5,655,055 beschrieben. Heizgeräte mit Heizfolien werden in der DE 10 2007 017 349 A1 und der DE 103 43 859 A1 beschrieben. Die AT 515 422 A4 beschreibt ein Heizgerät, das gleichzeitig mit LED-Leuchten verwendbar ist.A heater with a tubular hollow body and an air flow generator for an air flow directed parallel to the longitudinal axis of the tubular hollow body is in the FR 936.904 described. Another heater with an air flow generator is in the US 5,655,055 described. Heaters with heating foils are in the DE 10 2007 017 349 A1 and the DE 103 43 859 A1 described. The AT 515 422 A4 describes a heater that can be used simultaneously with LED lights.

Das elektrische Flächenheizelement erzeugt Wärme vorwiegend in Form von Infrarotstrahlung und bewirkt nach Emission der Infrarotstrahlung durch die wärmeabstrahlende Oberfläche keine direkte Erwärmung der Raumluft, sondern von Objektoberflächen, auf die die Infrarotstrahlung auftrifft. Die Raumluft wird in weiterer Folge indirekt durch die erwärmten Objekte erwärmt. Bekannt sind etwa Ausführungen in Form eines Infrarot-Heizpaneels, bei dem ein elektrischer Heizleiter verwendet wird, der in einer Nut einer elektrisch isolierenden Grundplatte schlangenlinienförmig verlegt ist. Die Grundplatte kann etwa aus einem keramischen Material, einem Leichtschamott, und dergleichen gefertigt sein. Die darüber liegende Deckplatte kann etwa aus Aluminium gefertigt sein, zudem können auch zusätzliche Schichten vorgesehen sein, etwa eine Hartglasemaillierte Oberflächenschicht, die in verschiedenen Farben herstellbar ist und mit dekorativen Motiven oder Dekors versehen werden kann, oder eine rückseitige Schicht aus verzinktem Blech oder Edelstahl. Der Plattenverbund kann schließlich in einem Rahmen, etwa aus eloxierten Aluminium-Profilen, gehalten sein, und mit zusätzlichen Elementen wie etwa Eckelemente oder Halterungen versehen werden. Ein elektrischer Anschluss mit entsprechenden Regelelementen, insbesondere ein Sicherheitsthermostat, vervollständigen den Aufbau bekannter Infrarot-Heizpaneele.The electrical surface heating element generates heat primarily in the form of infrared radiation and, after the infrared radiation has been emitted by the heat-radiating surface, does not directly heat the room air, but rather object surfaces that are hit by the infrared radiation. The room air is subsequently heated indirectly by the heated objects. Versions in the form of an infrared heating panel are known, in which an electrical heating conductor is used, which is laid in a groove in an electrically insulating base plate in a serpentine manner. The base plate can be made from a ceramic material, a light refractory material, and the like. The overlying cover plate can be made of aluminum, for example, and additional layers can also be provided, such as a hard glass enamelled surface layer that can be produced in different colors and can be provided with decorative motifs or decorations, or a back layer made of galvanized sheet metal or stainless steel. The panel assembly can finally be held in a frame, for example made of anodized aluminum profiles, and provided with additional elements such as corner elements or brackets. An electrical connection with appropriate control elements, in particular a safety thermostat, complete the construction of known infrared heating panels.

Die Heizleistung einer solchen Infrarotheizung bestimmt sich dabei maßgeblich über die elektrische Leistung, mit der das elektrische Heizelement betrieben wird, wobei in der Auslegung und Konstruktion von Infrarotheizungen versucht wird, die Effizienz der Heizleistung zu optimieren, also die elektrische Leistung bestmöglich in die abgegebene Wärmemenge umzusetzen. Hierbei erweist es sich als nachteilig, dass ein Infrarot-Heizpaneel wie oben beschrieben zumeist an einer Wand angeordnet ist und die Richtung Wand abgestrahlte Heizleistung in der Regel kaum für eine Erwärmung der Raumluft zur Verfügung steht. Zudem gibt es Einbausituationen, bei denen die oben beschriebene indirekte Erwärmung der Raumluft vergleichsweise langsam vor sich geht, da es an geeigneten Rauminnenflächen mangelt, etwa in großflächig verglasten Wintergärten und dergleichen. Auch in solchen Einbausituationen ist aber freilich eine rasche Erwärmung der Raumluft erwünscht.The heating power of such an infrared heater is largely determined by the electrical power with which the electric heating element is operated, whereby in the design and construction of infrared heaters an attempt is made to optimize the efficiency of the heating power, i.e. to best convert the electrical power into the amount of heat given off . It proves to be disadvantageous here that an infrared heating panel, as described above, is usually arranged on a wall and the heating power radiated in the direction of the wall is generally hardly available for heating the room air stands. In addition, there are installation situations in which the indirect heating of the ambient air described above is comparatively slow because there is a lack of suitable interior surfaces, for example in large glazed conservatories and the like. However, rapid heating of the room air is also desirable in such installation situations.

Es besteht daher das Ziel der Erfindung darin, einerseits die Effizienz der Heizleistung von Infrarotheizungen zu steigern und bei derselben elektrischen Leistung die abgegebene Wärmemenge zu erhöhen, und andererseits eine rasche und energieeffiziente Erwärmung der Raumluft zu ermöglichen. Der erfindungsgemäße Heizkörper soll dabei auch nachträglich leicht und zu geringen Kosten installierbar sein und flexibel in unterschiedlichen Raumbereichen einsetzbar sein.It is therefore the aim of the invention, on the one hand, to increase the efficiency of the heating output of infrared heaters and to increase the amount of heat given off with the same electrical output, and, on the other hand, to enable rapid and energy-efficient heating of the room air. The radiator according to the invention should also be easy to install retrospectively and at low cost and can be used flexibly in different areas of the room.

Diese Ziele werden durch die Merkmale von Anspruch 1 erreicht. Anspruch 1 bezieht sich auf einen Heizkörper mit einem elektrischen Flächenheizelement, wobei ein von einer äußeren Umhüllung gebildeter, röhrenförmiger Hohlkörper vorgesehen ist, der mit einem Luftstromerzeuger für einen parallel zur Längsachse des röhrenförmigen Hohlkörpers gerichteten Luftstrom versehen ist, und der röhrenförmige Hohlkörper zumindest an einer seiner beiden Stirnseiten zumindest eine Ausströmöffnung für den Luftstrom aufweist. Erfindungsgemäß wird vorgeschlagen, dass es sich bei dem elektrischen Flächenheizelement um ein Wärme vorwiegend in Form von Infrarotstrahlung erzeugendes Flächenheizelement handelt, und das elektrische Flächenheizelement für eine hauptsächlich senkrecht zur Oberfläche des Hohlkörpers in den Außen- und Innenraum des röhrenförmigen Hohlkörpers erfolgenden Wärmeabstrahlung an der Innenseite des röhrenförmigen Hohlkörpers angeordnet ist, wobei das elektrische Flächenheizelement auf seiner in den Innenraum des röhrenförmigen Hohlkörpers gerichteten Seite mit einer eine innere Umhüllung des röhrenförmigen Hohlkörpers bildenden Aluminiumkaschierung versehen ist.These goals are achieved by the features of claim 1. Claim 1 relates to a radiator with an electrical surface heating element, wherein a tubular hollow body formed by an outer covering is provided, which is provided with an air flow generator for an air flow directed parallel to the longitudinal axis of the tubular hollow body, and the tubular hollow body at least on one of its has at least one outflow opening for the air flow on both end faces. According to the invention, it is proposed that the electrical surface heating element is a heat mainly in the form of infrared radiation-generating surface heating element, and the electrical surface heating element for heat radiation occurring mainly perpendicular to the surface of the hollow body in the exterior and interior of the tubular hollow body on the inside of the tubular hollow body is arranged, the electrical surface heating element being provided on its side directed into the interior of the tubular hollow body with an aluminum covering forming an inner covering of the tubular hollow body.

Das elektrische Flächenheizelement erzeugt Wärme vorwiegend in Form von Infrarotstrahlung und bewirkt somit keine direkte Erwärmung der Raumluft, sondern von Objektoberflächen, auf die die Infrarotstrahlung auftrifft. Die Raumluft wird vielmehr indirekt durch die erwärmten Objekte erwärmt. Bei einem elektrischen Flächenheizelement ist dabei die Hauptstrahlrichtung senkrecht zum Flächenheizelement orientiert, wenngleich die Wärmeabstrahlung freilich auch in einem Abstrahlwinkel zur Hauptstrahlrichtung erfolgt. Da erfindungsgemäß das elektrische Flächenheizelement an der Innenseite eines röhrenförmigen Hohlkörpers anliegt, erfolgt daher die Wärmeabstrahlung hauptsächlich senkrecht zur Oberfläche des Hohlkörpers, also bei einer zylindrisch ausgeführten Umhüllung in radialer Richtung des röhrenförmigen Hohlkörpers in den Außen- und Innenraum des röhrenförmigen Hohlkörpers. Das Flächenheizelement verursacht somit auch eine Erwärmung der Innenseite des röhrenförmigen Hohlkörpers und somit auch des vom röhrenförmigen Hohlkörper umschlossenen, inneren Luftvolumens. Aufgrund des erfindungsgemäß vorgesehenen Luftstromerzeugers und der zumindest einen Ausströmöffnung wird dieses erwärmte Luftvolumen in den Außenraum des röhrenförmigen Hohlkörpers ausgeblasen. Da die Erwärmung der Innenseite des röhrenförmigen Hohlkörpers und somit auch des vom röhrenförmigen Hohlkörper umschlossenen, inneren Luftvolumens vergleichsweise rasch erfolgt, steht auch rasch ein erwärmtes Luftvolumen für die Erwärmung der Raumluft zur Verfügung. Die Aufrechterhaltung der gewünschten Raumlufttemperatur erfolgt in weiterer Folge vorrangig durch die vom elektrischen Flächenheizelement in den Außenraum des röhrenförmigen Hohlkörpers abgegebenen Strahlungsleistung. Die Effizienz des Heizkörpers wird dadurch gesteigert, da die beidseits vom elektrischen Flächenheizelement abgegebene Strahlungsleistung für eine Erwärmung der Raumluft genutzt werden kann. Die in den Außenraum des röhrenförmigen Hohlkörpers abgegebene Strahlungsleistung wird dabei wie bei bekannten Infrarot-Heizpaneelen eingesetzt, zusätzlich wird jedoch die in den Innenraum des röhrenförmigen Hohlkörpers abgegebene Strahlungsleistung für eine anfängliche, rasche Erwärmung der Raumluft über einen ausgeblasenen Luftstrom verwendet. Das erhöht nicht nur die Effizienz des Heizkörpers, sondern beschleunigt auch die Erwärmung der Raumluft.The electrical surface heating element generates heat primarily in the form of infrared radiation and thus does not cause direct heating of the room air, but rather of object surfaces that are hit by the infrared radiation. The indoor air is rather heated indirectly by the heated objects. In the case of an electrical surface heating element, the main radiation direction is oriented perpendicular to the surface heating element, although the heat radiation is of course also carried out at an angle to the main radiation direction. Since according to the invention the electrical surface heating element on the inside of a tubular Therefore, the heat radiation mainly occurs perpendicular to the surface of the hollow body, that is, in the case of a cylindrical envelope in the radial direction of the tubular hollow body in the exterior and interior of the tubular hollow body. The surface heating element thus also causes heating of the inside of the tubular hollow body and thus also of the inner air volume enclosed by the tubular hollow body. Due to the air flow generator provided according to the invention and the at least one outflow opening, this heated air volume is blown out into the outer space of the tubular hollow body. Since the heating of the inside of the tubular hollow body and thus also of the inner air volume enclosed by the tubular hollow body takes place comparatively quickly, a heated air volume is also quickly available for heating the room air. The desired ambient air temperature is then maintained primarily by the radiation power emitted by the electrical surface heating element into the outer space of the tubular hollow body. The efficiency of the radiator is increased because the radiant power emitted on both sides by the electrical panel heating element can be used to heat the room air. The radiation power emitted into the outer space of the tubular hollow body is used as in known infrared heating panels, but in addition the radiation power emitted into the interior of the tubular hollow body is used for an initial, rapid heating of the room air via a blown-out air stream. This not only increases the efficiency of the radiator, but also accelerates the heating of the room air.

Das elektrische Flächenheizelement ist vorzugsweise als ein in oder an einem flächigen Träger, insbesondere aus einem Vlies oder Gewebe, angeordneter Heizleiter ausgeführt. Der Heizleiter kann dabei etwa in einem Glasfasergewebe oder -vlies eingewebt sein, oder in einem elektrisch isolierenden Kunststoff. Das elektrische Flächenheizelement ist dabei erfindungsgemäß auf seiner in den Innenraum des röhrenförmigen Hohlkörpers gerichteten Seite mit einer Aluminiumkaschierung versehen sein, die somit eine innere Umhüllung des röhrenförmigen Hohlkörpers bildet. Die äußere Umhüllung ist vorzugsweise aus einem metallischen Werkstoff gefertigt, insbesondere aus Aluminium, um dem Aufbau die notwendige strukturelle Stabilität zu verleihen. Der Luftstromerzeuger kann etwa als Axialventilator ausgeführt sein, der im oder am Innenraum des röhrenförmigen Hohlkörpers mit einer zur Längsachse des röhrenförmigen Hohlkörpers parallelen Drehachse gelagert ist.The electrical surface heating element is preferably designed as a heating conductor arranged in or on a flat carrier, in particular made of a fleece or fabric. The heat conductor can be woven into a glass fiber fabric or fleece, for example, or into an electrically insulating plastic. The electrical surface heating element is, according to the invention, provided on its side directed into the interior of the tubular hollow body with an aluminum lamination, which thus forms an inner covering of the tubular hollow body. The outer casing is preferably made of a metallic material, in particular aluminum, in order to give the structure the necessary structural stability. The air flow generator can be designed as an axial fan, for example, which is mounted in or on the interior of the tubular hollow body with an axis of rotation parallel to the longitudinal axis of the tubular hollow body.

Die Erfindung wird in weiterer Folge anhand von Ausführungsbeispielen mithilfe der beiliegenden Figuren näher erläutert. Es zeigen dabei die

  • Fig. 1 eine perspektivische Ansicht einer Ausführungsform eines erfindungsgemäßen Heizkörpers mit beidseits offenem Hohlkörper, und die
  • Fig. 2 eine Schnittansicht einer Ausführungsform eines erfindungsgemäßen Heizkörpers entlang der Längsachse des Heizkörpers.
The invention is explained in more detail below on the basis of exemplary embodiments with the aid of the attached figures. They show
  • Fig. 1 a perspective view of an embodiment of a radiator according to the invention with hollow body open on both sides, and the
  • Fig. 2 a sectional view of an embodiment of a radiator according to the invention along the longitudinal axis of the radiator.

Die Fig. 1 zeigt eine perspektivische Ansicht einer Ausführungsform eines erfindungsgemäßen Heizkörpers mit beidseits offenem Hohlkörper, der etwa aus zwei Halbschalen aus stranggezogenen Aluminiumprofilen zusammengesetzt ist. Die beiden zusammengesetzten Halbschalen bilden eine äußere Umhüllung 1 an dessen Innenseite ein elektrisches Flächenheizelement 2 angeordnet ist. Das elektrische Flächenheizelement 2 ist an der Innenseite der äußeren Umhüllung 1 befestigt, etwa angeklebt, und vorzugsweise als ein in oder an einem flächigen Träger, insbesondere aus einem Vlies oder Gewebe, angeordneter Heizleiter ausgeführt. Der Heizleiter kann dabei etwa in einem Glasfasergewebe oder -vlies eingewebt sein, oder in einem elektrisch isolierenden Kunststoff. Das elektrische Flächenheizelement 2 ist hierbei auf seiner in den Innenraum des röhrenförmigen Hohlkörpers gerichteten Seite mit einer Aluminiumkaschierung versehen die somit eine innere Umhüllung des röhrenförmigen Hohlkörpers bildet. Der röhrenförmige Hohlkörper kann sowohl in horizontaler Lage als auch in vertikaler Lage etwa an der Decke eines Innenraumes über Stahlseile 8 oder dergleichen montiert werden und kann Längenabmessungen von etwa einem Meter bis zu mehreren Metern aufweisen.The Fig. 1 shows a perspective view of an embodiment of a radiator according to the invention with a hollow body open on both sides, which is composed of approximately two half-shells made of extruded aluminum profiles. The two assembled half-shells form an outer casing 1 on the inside of which an electrical surface heating element 2 is arranged. The electrical surface heating element 2 is fastened, for example glued, to the inside of the outer casing 1 and is preferably designed as a heating conductor arranged in or on a flat carrier, in particular made of a fleece or fabric. The heat conductor can be woven into a glass fiber fabric or fleece, for example, or into an electrically insulating plastic. The electrical surface heating element 2 is provided on its side facing the interior of the tubular hollow body with an aluminum lamination which thus forms an inner envelope of the tubular hollow body. The tubular hollow body can be mounted both in a horizontal position and in a vertical position, for example on the ceiling of an interior space, using steel cables 8 or the like, and can have length dimensions of approximately one meter to several meters.

Die Fig. 2 zeigt eine Schnittansicht einer Ausführungsform eines erfindungsgemäßen Heizkörpers entlang der Längsachse des Heizkörpers, der an einer ersten Seite mit einer ersten Abdeckung 3 und an einer zweiten Seite mit einer zweiten Abdeckung 4 verschlossen ist. Die zweite Abdeckung 4 trägt an seiner dem Innenraum des röhrenförmigen Hohlkörpers zugewandten Seite einen Luftstromerzeuger 5, der etwa als Axialventilator ausgebildet ist und mit einer zur Längsachse des röhrenförmigen Hohlkörpers parallelen Drehachse an der zweiten Abdeckung 4 gelagert ist. Falls der Luftstromerzeuger 5 in Betrieb ist, stellt sich somit ein Luftstrom entlang der Längsachse des röhrenförmigen Hohlkörpers ein, der den Innenraum des röhrenförmigen Hohlkörpers über Ausströmöffnungen der ersten Abdeckung 3 verlässt, die etwa als Schlitze oder Bohrungen in der ersten Abdeckung 3 ausgeführt sein können. In der zweiten Abdeckung 4 können Ansaugöffnungen vorgesehen sein, über die der Luftstromerzeuger 5 Außenluft ansaugen kann.The Fig. 2 shows a sectional view of an embodiment of a radiator according to the invention along the longitudinal axis of the radiator, which is closed on a first side with a first cover 3 and on a second side with a second cover 4. On its side facing the interior of the tubular hollow body, the second cover 4 carries an air flow generator 5, which is designed approximately as an axial fan and is mounted on the second cover 4 with an axis of rotation parallel to the longitudinal axis of the tubular hollow body. If the air flow generator 5 is in operation, an air flow along the longitudinal axis of the tubular hollow body thus arises, which leaves the interior of the tubular hollow body via outflow openings of the first cover 3, which can be embodied, for example, as slots or bores in the first cover 3. Suction openings can be provided in the second cover 4, through which the air flow generator 5 can suck in outside air.

Der Heizleiter des elektrischen Flächenheizelements 2 verläuft schlangenförmig im oder am Vlies oder Gewebe und ist über eine Steuereinrichtung 6 mit einer elektrischen Zuleitung 7 verbunden. Die Steuereinrichtung 6 ist ferner mit dem Luftstromerzeuger 5 verbunden. Die Anschlussspannung kann 12-400 V betragen und die Anschlussleistung grundsätzlich unbegrenzt gewählt werden, wobei die Auslegung der elektrischen Anschlussleistung und somit der Heizleistung je nach Anforderung des zu beheizenden Raumes festgelegt wird.The heating conductor of the electrical surface heating element 2 runs in a serpentine manner in or on the fleece or fabric and is connected to an electrical supply line 7 via a control device 6. The control device 6 is also connected to the air flow generator 5. The connection voltage can be 12-400 V and the connection power can be chosen to be unlimited, whereby the design of the electrical connection power and thus the heating power is determined depending on the requirements of the room to be heated.

Die Steuerung des Flächenheizelements 2 und des Luftstromerzeugers 5 kann über einen Ein- und Ausschalter erfolgen, oder über entsprechende Temperatur- oder Leistungsregler. Dabei können der Luftstromerzeuger 5 und das Flächenheizelement 2 auch unabhängig voneinander betrieben werden. So können etwa in einer anfänglichen Aufheizphase sowohl das Flächenheizelement 2 als auch der Luftstromerzeuger 5 betrieben werden, um die Raumluft rasch aufzuheizen, und in einer nachfolgenden Heizphase der Luftstromerzeuger 5 abgeschaltet werden, um die Aufrechterhaltung einer gewünschten Raumtemperatur alleine durch das Flächenheizelement 2 zu bewerkstelligen. Zudem kann die erfindungsgemäße Vorrichtung im Sommer bei ausgeschaltetem Flächenheizelement 2 und eingeschaltetem Luftstromerzeuger 5 als Luftumwälzer genutzt werden.The surface heating element 2 and the air flow generator 5 can be controlled via an on / off switch or via appropriate temperature or power controllers. The airflow generator 5 and that Surface heating element 2 can also be operated independently of one another. For example, both the surface heating element 2 and the air flow generator 5 can be operated in an initial heating phase in order to heat up the room air quickly, and in a subsequent heating phase the air flow generator 5 can be switched off in order to achieve the maintenance of a desired room temperature by the surface heating element 2 alone. In addition, the device according to the invention can be used as an air circulator in summer with the surface heating element 2 switched off and the air flow generator 5 switched on.

Claims (4)

  1. Heating body comprising an electrical flat heating element (2), wherein a tubular hollow body is provided which is formed by an outer shell (1) and which is provided with an air flow generator (5) for an air flow that is directed parallel to the longitudinal axis of the tubular hollow body, and the tubular hollow body has, at least on one of the two end sides thereof, at least one outflow opening for the air flow, characterized in that the electrical flat heating element is a flat heating element (2) which generates heat predominantly in the form of infrared radiation, and the electrical flat heating element (2) is arranged on the inner side of the tubular hollow body for a heat emission that takes place mainly perpendicular to the surface of the hollow body towards the exterior and interior of the tubular hollow body, wherein the electrical flat heating element (2), on the side thereof that is directed towards the interior of the tubular hollow body, is provided with an aluminium lamination which forms an inner shell of the tubular hollow body.
  2. Heating body according to claim 1, characterized in that the electrical flat heating element (2) is designed as a heating conductor arranged in or on a flat carrier, said carrier being made in particular of a non-woven or woven fabric.
  3. Heating body according to claim 1 or 2, characterized in that the outer shell (1) is made of a metal material, in particular of aluminium.
  4. Heating body according to any one of claims 1 to 3, characterized in that the air flow generator (5) is designed as an axial fan which is mounted in or on the interior of the tubular hollow body with an axis of rotation that is parallel to the longitudinal axis of the tubular hollow body.
EP17157624.2A 2016-02-25 2017-02-23 Infrared heating Active EP3211349B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50137/2016A AT518175B1 (en) 2016-02-25 2016-02-25 infrared heating

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EP3211349A1 EP3211349A1 (en) 2017-08-30
EP3211349B1 true EP3211349B1 (en) 2020-03-25

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Publication number Priority date Publication date Assignee Title
CN108534219B (en) * 2018-06-11 2023-12-15 淄博环能海臣环保技术服务有限公司 Water heating electric heating double-heat source corrugated stainless steel pipe floor heating device
CN109827225A (en) * 2019-03-11 2019-05-31 张斌 A kind of far-infrared radiation formula heater
EP3982056A1 (en) * 2020-10-06 2022-04-13 DEC Technologies B.V. Air system comprising air ducts with integrated electrically conductive elements

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FR936904A (en) * 1946-12-12 1948-08-03 Alsthom Cgee Electric fan heater with radial hot air dispersion
JPS6060453A (en) * 1983-09-12 1985-04-08 Matsushita Electric Ind Co Ltd Hot air generator
US5655055A (en) * 1995-10-13 1997-08-05 Holmes Products Corp. Omnidirectional space heater having adjustable, arcuate baffles
DE10343859A1 (en) * 2003-09-23 2005-05-19 Österwitz, Karl-Heinz Heating panel has two radiation sheets on a reflector radiating through a front panel with convection slots above and below
DE102007017349A1 (en) * 2007-04-12 2008-10-16 Manfred Klaas Heating foil for motor vehicle seat, has conductive strips attached at carrier foil, and reflection foil provided on one side of heating foil, where reflection foil is laminated
CN201063876Y (en) * 2007-04-29 2008-05-21 深圳市宝安唐锋电器厂 Heating element capable of conveying hot blast
DE202013104915U1 (en) * 2013-11-04 2013-12-20 Jin Yih Shyang Enterprise Co. Ltd. electric heater
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EP3211349A1 (en) 2017-08-30
AT518175A4 (en) 2017-08-15

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