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EP3410821A1 - Chauffage à infrarouge - Google Patents

Chauffage à infrarouge Download PDF

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Publication number
EP3410821A1
EP3410821A1 EP18162439.6A EP18162439A EP3410821A1 EP 3410821 A1 EP3410821 A1 EP 3410821A1 EP 18162439 A EP18162439 A EP 18162439A EP 3410821 A1 EP3410821 A1 EP 3410821A1
Authority
EP
European Patent Office
Prior art keywords
heating
infrared heater
heater according
heating circuit
front wall
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
Application number
EP18162439.6A
Other languages
German (de)
English (en)
Other versions
EP3410821B1 (fr
Inventor
Fabian Digel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digel Sticktech & Co KG GmbH
Original Assignee
Digel Sticktech & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Digel Sticktech & Co KG GmbH filed Critical Digel Sticktech & Co KG GmbH
Publication of EP3410821A1 publication Critical patent/EP3410821A1/fr
Application granted granted Critical
Publication of EP3410821B1 publication Critical patent/EP3410821B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • 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
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • 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
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • 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
    • H05B2203/032—Heaters specially adapted for heating by radiation heating
    • 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
    • H05B2203/037—Heaters with zones of different power density

Definitions

  • the invention relates to an infrared heater with a front wall and a rear wall, between which a heating arrangement is arranged with at least one heating circuit, wherein the heating circuit comprises a heating conductor which is fixed to a support.
  • infrared heater on the other hand, hardly heats the air. It radiates its energy directly to people and objects in the living space. This efficient transmission path makes infrared heaters superior in cost and efficiency to both other types of electricity and compared to fossil fuel-fired central heating systems.
  • infrared heaters are operated electrically can lead to electromagnetic radiation, which should be reduced as much as possible. Furthermore, there is a need to make infrared heaters more efficient.
  • Object of the present invention is therefore to remedy this situation.
  • an infrared heater with a front wall and a rear wall, between which a heating arrangement is arranged with at least one heating circuit, wherein the heating circuit comprises a heating conductor which is fixed to a support, and wherein the heating conductor of the heating circuit is at least partially bifilar ,
  • the current, in particular alternating current, which is guided in the heating conductor flows in opposite directions in the conductor sections of the bifilar sections, so that the electromagnetic fields of the two conductor sections resulting from the current compensate each other as far as possible.
  • the electromagnetic compatibility of such an infrared heater is therefore significantly improved.
  • the heating conductor of the heating circuit can run with its first half up to a point of inflection, and then the second half of the heating element can be guided parallel to the first half, in particular be guided at a small distance to the first half of the conductor.
  • a part of the first half of the heating conductor runs parallel to a part of the second half of the heating conductor.
  • the connections of the heat conductor can also be close to each other, so be arranged at a small distance from each other. This also facilitates the electrical connection of the heating conductor.
  • the heating conductor of the heating circuit can be performed bifilar over at least 80% of its length. This measure can ensure that electromagnetic fields are largely compensated.
  • the heating circuit is fixed by means of a thread on the carrier. Through the thread of the heating circuit is securely held on the carrier. Nevertheless, the heating circuit or the heat conductor between thread and carrier can still move slightly. In particular, the heating element can expand when heated and contract again. By this type of attachment so a certain mobility and elasticity of the heating element is maintained, which contributes to an increased life of the heating element.
  • the carrier may be formed of a flexible material. This makes it easier to sew the heating circuit to the carrier by means of the thread.
  • the flexible carrier may in particular be limited extensible. Thereby, it is also possible that the carrier follows the temperature-induced movements of the heating element.
  • the carrier may be formed as a polyester fabric, glass fabric or glass-silicone fabric.
  • the backing may be stretchable in the range of 10% to 20%.
  • the heating circuit may be formed meander-shaped, in particular meandering be arranged on the support. This can increase the effectiveness of the infrared heater, as a longer heating circuit can be laid.
  • one or the heating circuit may be laid more closely than another or the heating circuit in a central region of the heating arrangement. This may mean that the distance between sections of the heating circuit in a central area of the Heating arrangement is greater than in a peripheral area.
  • the loops of the meandering shape can be laid more closely.
  • legs of a loop of the meandering heating circuit can have a smaller spacing when the heating circuit is laid in an edge region, in comparison to a heating circuit or section of the heating circuit which is laid in a central region of the heating arrangement. In this way it can be ensured that a similar heating power is generated in the edge region as in the central region of the heating arrangement.
  • a heating conductor or heating conductor section with a lower electrical resistance is arranged in an edge region of the heating arrangement than in a central region of the heating arrangement.
  • a heating conductor with a lower resistance is warmer at the same current, so that it can also be ensured in this way that in the edge region of the heating arrangement, a similar heating power can be generated as in the central region of the heating arrangement.
  • the electrical resistance can be influenced by the choice of material of the heating element.
  • the diameter of the heating element can be varied. In order to reduce the resistance, a larger cross-section, in particular diameter, of the heating conductor can be used.
  • the structuring preferably has at least a height of 0.5 mm. At most, the structuring should have a height of about 10 mm.
  • the front wall has a smooth surface on the outside, much of the heat output goes up. If, on the other hand, the front wall is structured, this is prevented and a higher emission power results.
  • the front wall can be structured, for example, in the manner of a leather or skin structure. Further structuring examples are a caroform, a replica of a linen structure or a rhombic structure or semicircular recesses. In this case, the front wall is preferably itself structured by a mechanical treatment and under an optional coating.
  • the front wall may be ceramic coated at least on its outside. Also by this measure, the radiation power of the infrared heater can be improved.
  • the front wall may be coated with a ceramic powder. Such a coating also improves the heat resistance of the front wall. In particular, color variations due to large heating of the front wall can be avoided in this way.
  • the coating is preferably so thin that the structuring of the top of the front wall is maintained.
  • the front wall may be formed of a steel sheet. If a steel sheet is used instead of the conventional aluminum, a faster heating of the front wall can take place. In addition, the thickness of the front wall can be reduced. It can be a faster heat dissipation to the outside. The internal temperature of the infrared heater can be reduced.
  • the front wall may have a thickness in the range of 0.5 to 1.5 mm, preferably the thickness is in the range of 0.75 to 1 mm.
  • a steel sheet can also be structured relatively easily. By structuring the front of the front wall and the stability of the front wall is also increased, which in turn means that the thickness of the formed steel sheet front wall can be reduced.
  • the rear wall of the infrared heater may be formed of sheet steel, in particular of chromium steel sheet.
  • the back wall can be highly polished or marbled. Marbling the back wall has the advantage that fingerprints are virtually invisible. Both the design of the rear wall as a highly polished rear wall and as a marbled back wall results in that only a small heat emission to the rear.
  • Insulation may be provided between the heater assembly and the rear panel, resulting in low heat being radiated backwards and much of the heat from the infrared heater being dissipated forwardly across the front panel.
  • the effectiveness of the infrared heater can be further improved by providing a reflective layer or coating between the heater assembly and the backplane.
  • the production of the infrared heater is particularly simple when the front and rear walls are glued together and / or locked.
  • the Fig. 1 shows an infrared heater 1 in a sectional view.
  • the infrared heater 1 has a front wall 2 and a rear wall 3.
  • the front wall 2 and the rear wall 3 are clipped together at the point 4. At the point 5, they are glued together.
  • a heating arrangement 6, which will be described in more detail, arranged.
  • a reflective layer 7 and then an insulation 8 is provided behind the heating arrangement 6 first. This should be avoided as possible that heat radiation is delivered to the rear.
  • the front wall 2 is preferably formed of sheet steel and on its outside 9, ie on the side to be radiated at the heat, structured.
  • the Fig. 2 shows the heating assembly 6. It comprises a support 10 which may be formed of flexible material. The material may have a certain elasticity. On the carrier 10, a heating circuit 11 is fixed. The heating circuit 11 comprises a heating conductor 12, wherein the first half 12.1 of the heating conductor 12 is guided at a close distance to the second half 12.2. The heating conductor 12 thus runs bifilar. A running in the first half 12.1 in the direction of arrow 13 stream runs in the second half 12.2 in the direction of arrow 14, ie just in the opposite direction. The electromagnetic fields caused by the current are thus in opposite directions and essentially cancel each other out.
  • the heating circuit 11 is sewn to the carrier 10 with a thread 15. Characterized in that the thread 15 spans the heating circuit 11 only, it is possible that the heating element 12 expands below the thread 15 and contracts. As a result, the mechanical stress of the heat conductor 12 is kept low. Furthermore, it can be seen that the terminals 16, 17 of the heat conductor 12 are arranged at a small distance from each other.
  • the Fig. 3 shows a further embodiment of a heating arrangement 20 with a first heating circuit 21 and a second heating circuit 22.
  • the respective threads for fixing the heating circuits 21, 22 are not shown for reasons of clarity.
  • the heating circuit 21 is laid in a central region 23 of the heating arrangement 20 less closely than the heating circuit 22 in an edge region 24 of the heating arrangement 20th
  • the heating circuits 21, 22 are arranged substantially meander-shaped on the carrier 25.
  • the distance d between two sections or legs of a loop of the meandering laid heating circuit 21 is less than the distance e between two legs of a loop of By this measure, it can be ensured that in the edge region 24, a similar heating power and heating can be generated as in the central region 23 of the heating assembly 20th
  • the Fig. 4a shows an example of a structuring of a surface of the outside of the front wall 2 of an infrared heater.
  • the structuring is karoförmig.
  • a fabric-like structure is shown, in particular in the manner of a linen fabric.
  • a diamond-shaped structuring of the surface of a front wall is shown.

Landscapes

  • Central Heating Systems (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
EP18162439.6A 2017-06-02 2018-03-19 Chauffage à infrarouge Active EP3410821B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017112205.2A DE102017112205B4 (de) 2017-06-02 2017-06-02 Infrarotheizung

Publications (2)

Publication Number Publication Date
EP3410821A1 true EP3410821A1 (fr) 2018-12-05
EP3410821B1 EP3410821B1 (fr) 2020-06-03

Family

ID=61800292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18162439.6A Active EP3410821B1 (fr) 2017-06-02 2018-03-19 Chauffage à infrarouge

Country Status (2)

Country Link
EP (1) EP3410821B1 (fr)
DE (1) DE102017112205B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018117996B4 (de) 2018-07-25 2024-12-12 DIGEL STICKTECH GmbH & Co. KG Infrarotheizung mit einem flexiblen Träger

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT5812U1 (de) * 2002-01-31 2002-12-27 Regina Schlafkomfort Gmbh Heizmatte mit einer elektrischen widerstandsheizung
DE202006017491U1 (de) * 2006-11-16 2007-03-01 Slawinski, Alexander Infrarot-Keramikheizung
DE102007019891A1 (de) * 2007-04-27 2008-11-06 Conti Temic Microelectronic Gmbh Heizvorrichtung und Verfahren zum Beheizen einer Vorrichtung, insbesondere einer Sitzheizung oder einer Lenkradheizung eines Fahrzeugs
WO2009061113A2 (fr) * 2007-11-05 2009-05-14 Sang Jun Lee Procédé de fabrication d'un appareil de chauffage qui maintient la température d'une pièce
KR20100132599A (ko) * 2009-06-10 2010-12-20 오봉선 히팅 재킷 및 히팅 재킷의 제조방법
DE102009032260A1 (de) * 2009-07-08 2011-01-13 Physiotherm Gmbh Infrarot-Heizeinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8901603U1 (de) 1989-02-11 1989-03-30 Wilhelm Wetzel GmbH & Co., 40789 Monheim Schmiegsames Elektrowärmegerät mit reduziertem Störfeldeinfluß
DE102014215776A1 (de) 2014-08-08 2016-02-11 BSH Hausgeräte GmbH Verfahren zum Beschleunigen eines Kochvorgangs, Steuereinrichtung sowie Gargerät hierfür

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT5812U1 (de) * 2002-01-31 2002-12-27 Regina Schlafkomfort Gmbh Heizmatte mit einer elektrischen widerstandsheizung
DE202006017491U1 (de) * 2006-11-16 2007-03-01 Slawinski, Alexander Infrarot-Keramikheizung
DE102007019891A1 (de) * 2007-04-27 2008-11-06 Conti Temic Microelectronic Gmbh Heizvorrichtung und Verfahren zum Beheizen einer Vorrichtung, insbesondere einer Sitzheizung oder einer Lenkradheizung eines Fahrzeugs
WO2009061113A2 (fr) * 2007-11-05 2009-05-14 Sang Jun Lee Procédé de fabrication d'un appareil de chauffage qui maintient la température d'une pièce
KR20100132599A (ko) * 2009-06-10 2010-12-20 오봉선 히팅 재킷 및 히팅 재킷의 제조방법
DE102009032260A1 (de) * 2009-07-08 2011-01-13 Physiotherm Gmbh Infrarot-Heizeinrichtung

Also Published As

Publication number Publication date
EP3410821B1 (fr) 2020-06-03
DE102017112205B4 (de) 2024-09-26
DE102017112205A1 (de) 2018-12-06

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