EP3153790A1 - Heating module - Google Patents

Heating module Download PDF

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Publication number
EP3153790A1
EP3153790A1 EP16167760.4A EP16167760A EP3153790A1 EP 3153790 A1 EP3153790 A1 EP 3153790A1 EP 16167760 A EP16167760 A EP 16167760A EP 3153790 A1 EP3153790 A1 EP 3153790A1
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EP
European Patent Office
Prior art keywords
heating module
module according
heating
clamping
heating elements
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.)
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Application number
EP16167760.4A
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German (de)
French (fr)
Inventor
Viktor Rempel
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.)
REMPEL POWER SYSTEMS GMBH
Original Assignee
Rempel Power Systems 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
Priority claimed from EP15196735.3A external-priority patent/EP3153789A1/en
Application filed by Rempel Power Systems GmbH filed Critical Rempel Power Systems GmbH
Publication of EP3153790A1 publication Critical patent/EP3153790A1/en
Withdrawn legal-status Critical Current

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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
    • F24H3/0429—For vehicles
    • F24H3/0435—Structures comprising heat spreading elements in the form of fins
    • 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
    • F24H3/0429—For vehicles
    • F24H3/0452—Frame constructions
    • F24H3/0476—Means for putting the electric heaters in the frame under strain, e.g. with springs
    • 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
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC
    • 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
    • H05B3/02—Details
    • H05B3/06—Heater elements structurally combined with coupling elements or holders
    • H05B3/08—Heater elements structurally combined with coupling elements or holders having electric connections specially adapted for high temperatures
    • 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
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • 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
    • F24H2250/00—Electrical heat generating means
    • F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
    • 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
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient
    • 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
    • H05B2203/021—Heaters specially adapted for heating liquids
    • 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
    • H05B2214/03—Heating of hydrocarbons

Definitions

  • the invention relates to a heating module with a plurality of heating elements and a heat exchanger.
  • heating elements are high-temperature heating elements based on an Al 2 O 3 insulation ceramic. Such heating elements are installed in heating modules, for which a heat exchanger for delivering the heating power is necessary.
  • High temperature heating elements are often used in hot air blowers.
  • a resistance heating element is described, in which a honeycomb body made of resistor material with a positive temperature coefficient is clamped in a metal frame.
  • a hot air blower is described in which the porous heating element is inserted into a metal tube and is traversed by air to an air outlet. The porous heating element sets the air flow a great resistance.
  • DE 37 08 056 A List describes a heater with a plurality of heating elements, each of which is tubular and are enclosed as a package of a metal tube.
  • the heating module according to the invention is equipped with a plurality of electrically operated ceramic heating elements with a positive temperature coefficient, so that a large heating power can be achieved.
  • the heating elements are clamped inside a metal heat exchanger, so that they have a large-area contact to this. They are not flowed through by the medium to be heated, but the medium flows around the outside of the heat exchanger.
  • the media used are gases and liquids, in particular LPG (Liquefied Petroleum Gas, LPG), propane, butane, hydraulic oil, diesel or AdBlue.
  • the heating elements are ceramic high-temperature heating elements based on an Al 2 O 3 insulation ceramic, which are operated at temperatures of up to 1100 ° C. These heating elements are clamped in a heat exchanger, which is formed from an outer jacket and an inner clamping body.
  • the outer jacket is advantageously designed essentially as a tube whose tube opening has a polygonal and, for example, a quadrangular or a hexagonal inner cross section.
  • the clamping body for this purpose is designed as a split in clamping pieces pipe with a correspondingly shaped polygonal, in particular square or hexagonal outer surface which is clamped in the pipe opening of the shell.
  • the clamping pieces of the clamping body are pressed apart and thus pressed against the inner surfaces of the jacket.
  • the heating elements are thus clamped between the pipe opening and the outer surfaces of the clamping body, and they are located inside a large area of the outer jacket.
  • the heating elements are pressed on both sides of metal surfaces and the metal surfaces ensure good heat transfer.
  • the clamping of the clamping body takes place in one embodiment via a central screw which is formed on a conical surface of the clamping pieces.
  • the clamping is done via inside, inserted into the grooves of the clamping pieces snap rings.
  • other Spannractician spreading means and / or connecting means may be provided for the jacket and the clamping body. In each case a simple tensioning of the clamping pieces is possible with these funds.
  • the electrical contacting of the heating elements is advantageously carried out over the jacket and the clamping body between which the electrically conductive heating elements.
  • each electrical connections are provided on the jacket and on the clamping body, for example via screws for cable lugs.
  • the heat transfer can be optimized in that heat transfer ribs are formed on the outer surfaces of the shell. These can be adapted to the respective medium to be heated. The provision of the heat transfer ribs is optional.
  • a preferred application for the heating element described is a heater in which a fan with an air flow is passed outside via the heating module.
  • a heater can be used for example for a motor vehicle heating.
  • Fig. 1 is a front view of the heating module shown.
  • his coat 1 2 of the clamping body 2 is inserted with its clamping pieces 3 in the pipe opening.
  • the clamping pieces 3 are pressed apart here by means of the screw 6 and the conical surface 12 at their pitches 10 and thus pressed firmly against the inner wall of the pipe opening 4.
  • the heat transfer takes place through the heat transfer ribs 7 on the outer surface of the shell. 1
  • the electrical connections are made via the first connection 5 on the jacket 1 and the second connection on the screw 6.
  • Fig. 2 shows an external view of the shell 1 with its heat transfer ribs 7, which are optimized for heat transfer.
  • the clamping body 2 can be used.
  • Fig. 3 shows an oblique view of the clamping body 2 with its clamping pieces 3, which are divided over the partitions 10.
  • the heating elements are used and later pressed outwards against the pipe opening of the shell.
  • the tension of the clamping pieces 3 can be done for example via snap rings in the clamping grooves 11 or via a screw on the conical surface 12.

Abstract

Die Erfindung bezieht sich auf ein Heizmodul mit mehreren Heizelementen und einem Wärmeübertrager, wobei die Heizelemente elektrisch betriebene Keramikheizelemente mit positivem Temperaturkoeffizienten sind und diese innen in einen metallenen Wärmeübertrager innen eingespannt sind, der außen von einem Medium umströmt wird.The invention relates to a heating module with a plurality of heating elements and a heat exchanger, wherein the heating elements are electrically operated ceramic heating elements with a positive temperature coefficient and these are internally clamped inside a metal heat exchanger, which is externally flowed around by a medium.

Description

Die Erfindung betrifft ein Heizmodul mit mehreren Heizelementen und einem Wärmeübertrager.The invention relates to a heating module with a plurality of heating elements and a heat exchanger.

Es sind elektrisch betriebene Keramikheizelemente bekannt geworden, die mit einer kleinen Bauform große Heizleistungen erzeugen können. Solche Heizelemente sind Hochtemperaturheizelemente auf Basis einer Al2O3-Isolationskeramik. Solche Heizelemente werden in Heizmodule eingebaut, für die ein Wärmeübertrager zur Abgabe der Heizleistung notwendig ist.There are electrically powered ceramic heating known, which can produce large heating with a small design. Such heating elements are high-temperature heating elements based on an Al 2 O 3 insulation ceramic. Such heating elements are installed in heating modules, for which a heat exchanger for delivering the heating power is necessary.

Hochtemperaturheizelemente werden häufig in Heißluftgebläsen eingesetzt. In der Patentschrift DE 102 01 262 B4 ist ein Widerstandsheizelement beschrieben, in das ein Wabenkörper aus Widerstandsmaterial mit positivem Temperaturkoeffizienten in einen Metallrahmen eingespannt ist.
In der Patentanmeldung DE 10 2007 020 531 A1 ist ein Heißluftgebläse beschrieben, bei dem das poröse Heizelement in ein metallenem Rohr eingesetzt ist und von Luft zu einem Luftaustritt durchströmt wird. Das poröse Heizelement setzt dem Luftstrom einen großen Widerstand entgegen.
In der Patentanmeldung DE 37 08 056 A list ein Heizgerät mit einer Vielzahl von Heizelementen beschrieben, die jeweils rohrförmig ausgebildet sind und als Paket von einem Metallrohr umschlossen sind.High temperature heating elements are often used in hot air blowers. In the patent DE 102 01 262 B4 a resistance heating element is described, in which a honeycomb body made of resistor material with a positive temperature coefficient is clamped in a metal frame.
In the patent application DE 10 2007 020 531 A1 a hot air blower is described in which the porous heating element is inserted into a metal tube and is traversed by air to an air outlet. The porous heating element sets the air flow a great resistance.
In the patent application DE 37 08 056 A List describes a heater with a plurality of heating elements, each of which is tubular and are enclosed as a package of a metal tube.

Es ist Aufgabe der Erfindung ein Heizmodul zu offenbaren, in dem die Heizelemente nicht selbst von dem zu erwärmenden Medium durchströmt werden sondern diese in direktem Kontakt zu einem Wärmetauscher stehen der für die Wärmeübertragung optimiert ist.It is an object of the invention to disclose a heating module in which the heating elements are not even flowed through by the medium to be heated but these are in direct contact with a heat exchanger which is optimized for heat transfer.

Ein derart optimiertes Heizmodul ist mit den Merkmalen des Anspruchs 1 beschrieben.Such an optimized heating module is described with the features of claim 1.

Die Unteransprüche enthalten Gestaltungsmerkmale, die eine vorteilhafte Weiterbildung des Erfindungsgegenstandes darstellen.The subclaims contain design features that represent an advantageous development of the subject invention.

Das erfindungsgemäße Heizmodul ist mit mehreren elektrisch betriebenen Keramikheizelementen mit positivem Temperaturkoeffizienten ausgerüstet, so dass eine große Heizleistung erreicht werden kann. Die Heizelemente sind in einen metallenen Wärmeübertrager innen eingespannt, so dass sie einen großflächigen Kontakt zu diesem besitzen. Dabei werden sie nicht von dem zu erwärmenden Medium durchströmt, sondern das Medium strömt außen um den Wärmeübertrager herum. Als Medien finden Gase und Liquide, insbesondere Autogas (Liquefied Petroleum Gas, LPG), Propan, Butan, Hydrauliköl, Diesel oder AdBlue Verwendung.The heating module according to the invention is equipped with a plurality of electrically operated ceramic heating elements with a positive temperature coefficient, so that a large heating power can be achieved. The heating elements are clamped inside a metal heat exchanger, so that they have a large-area contact to this. They are not flowed through by the medium to be heated, but the medium flows around the outside of the heat exchanger. The media used are gases and liquids, in particular LPG (Liquefied Petroleum Gas, LPG), propane, butane, hydraulic oil, diesel or AdBlue.

Die Heizelemente sind keramische Hochtemperaturheizelemente auf Basis einer Al2O3-Isolationskeramik, die mit Temperaturen von bis zu 1100°C betrieben werden.
Diese Heizelemente sind in einen Wärmeübertrager eingespannt, der aus einem äußeren Mantel und einem inneren Spannkörper gebildet ist.The heating elements are ceramic high-temperature heating elements based on an Al 2 O 3 insulation ceramic, which are operated at temperatures of up to 1100 ° C.
These heating elements are clamped in a heat exchanger, which is formed from an outer jacket and an inner clamping body.

Der äußere Mantel ist vorteilhaft im Wesentlichen als ein Rohr ausgebildet, dessen Rohröffnung einen vieleckigen und beispielsweise einen viereckigen oder einen sechseckigen inneren Querschnitt besitzt. Der Spannkörper dazu ist als ein in Spannstücke geteiltes Rohr mit einer korrespondierend gestalteten vieleckigen, insbesondere viereckigen oder sechseckigen Außenfläche ausgebildet, das in die Rohröffnung des Mantels einspannbar ist.The outer jacket is advantageously designed essentially as a tube whose tube opening has a polygonal and, for example, a quadrangular or a hexagonal inner cross section. The clamping body for this purpose is designed as a split in clamping pieces pipe with a correspondingly shaped polygonal, in particular square or hexagonal outer surface which is clamped in the pipe opening of the shell.

Die Spannstücke des Spannkörpers werden auseinander gedrückt und damit an die Innenflächen des Mantels gepresst. Die Heizelemente sind somit zwischen der Rohröffnung und den Außenflächen des Spannkörpers eingespannt, und sie liegen großflächig innen an dem äußeren Mantel an. So sind die Heizelemente beidseitig an Metallflächen angepresst und die Metallflächen gewährleisten eine gute Wärmeübertragung.The clamping pieces of the clamping body are pressed apart and thus pressed against the inner surfaces of the jacket. The heating elements are thus clamped between the pipe opening and the outer surfaces of the clamping body, and they are located inside a large area of the outer jacket. Thus, the heating elements are pressed on both sides of metal surfaces and the metal surfaces ensure good heat transfer.

Das Spannen des Spannkörpers erfolgt in einer Ausführungsform über eine zentrale Schraube, die an einer Kegelfläche der Spannstücke ausgebildet ist.
In einer anderen Ausführungsform erfolgt das Spannen über innen, in Spannnuten der Spannstücke eingesetzte Sprengringe. Alternativ können andere Spannbeziehungsweise Spreizmittel und/oder Verbindungsmittel für den Mantel und den Spannkörper vorgesehen sein. Jeweils ist mit diesen Mitteln ein einfaches Spannen der Spannstücke möglich.The clamping of the clamping body takes place in one embodiment via a central screw which is formed on a conical surface of the clamping pieces.
In another embodiment, the clamping is done via inside, inserted into the grooves of the clamping pieces snap rings. Alternatively, other Spannbeziehungsweise spreading means and / or connecting means may be provided for the jacket and the clamping body. In each case a simple tensioning of the clamping pieces is possible with these funds.

Die elektrische Kontaktierung der Heizelemente erfolgt vorteilhaft über den Mantel und den Spannkörper zwischen den sich die elektrisch leitenden Heizelemente befinden. Für die Kontaktierung sind am Mantel und am Spannkörper jeweils elektrische Anschlüsse vorgesehen, beispielweise über Schrauben für Kabelschuhe.The electrical contacting of the heating elements is advantageously carried out over the jacket and the clamping body between which the electrically conductive heating elements. For contacting each electrical connections are provided on the jacket and on the clamping body, for example via screws for cable lugs.

Die Wärmeübertragung kann dadurch optimiert werden, dass an den Außenflächen des Mantels Wärmeübertragungsrippen angeformt sind. Diese können auf das jeweils zu erwärmende Medium angepasst sein. Das Vorsehen der Wärmeübertragungsrippen ist dabei optional.The heat transfer can be optimized in that heat transfer ribs are formed on the outer surfaces of the shell. These can be adapted to the respective medium to be heated. The provision of the heat transfer ribs is optional.

Ein bevorzugter Einsatzfall für das beschriebene Heizelement ist ein Heizgerät, bei dem mit einem Lüfter ein Luftstrom außen über das Heizmodul geleitet wird. Ein solches Heizgerät kann beispielsweise für eine Kraftfahrzeugheizung genutzt werden.A preferred application for the heating element described is a heater in which a fan with an air flow is passed outside via the heating module. Such a heater can be used for example for a motor vehicle heating.

Eine Ausführungsform der Erfindung ist in den Figuren näher dargestellt.

  • Fig. 1 zeigt eine Frontansicht des Heizmoduls;
  • Fig. 2 zeigt eine Schrägansicht des Mantels;
  • Fig. 3 zeigt eine Schrägansicht des Spannkörpers.
An embodiment of the invention is shown in more detail in the figures.
  • Fig. 1 shows a front view of the heating module;
  • Fig. 2 shows an oblique view of the jacket;
  • Fig. 3 shows an oblique view of the clamping body.

In Fig. 1 ist eine Frontansicht des Heizmoduls dargestellt. In seinem Mantel 1 ist in der Rohröffnung 4 der Spannkörper 2 mit seinen Spannstücken 3 eingesetzt. Die Spannstücke 3 werden hier mittels der Schraube 6 und der Kegelfläche 12 an ihren Teilungen 10 auseinander gedrückt und damit fest an die innere Wandung der Rohröffnung 4 angepresst.In Fig. 1 is a front view of the heating module shown. In his coat 1 2 of the clamping body 2 is inserted with its clamping pieces 3 in the pipe opening. The clamping pieces 3 are pressed apart here by means of the screw 6 and the conical surface 12 at their pitches 10 and thus pressed firmly against the inner wall of the pipe opening 4.

Die Wärmeübertragung erfolgt durch die Wärmeübertragungsrippen 7 an der Außenfläche des Mantels 1.
Die elektrischen Anschlüsse werden über den ersten Anschluss 5 an dem Mantel 1 und dem zweiten Anschluss an der Schraube 6 hergestellt.The heat transfer takes place through the heat transfer ribs 7 on the outer surface of the shell. 1
The electrical connections are made via the first connection 5 on the jacket 1 and the second connection on the screw 6.

Fig. 2 zeigt eine Außenansicht des Mantels 1 mit seinen Wärmeübertragungsrippen 7, die für den Wärmeübergang optimiert sind.
In die Rohröffnung 7 kann der Spannkörper 2 eingesetzt werden.
Fig. 3 zeigt eine Schrägansicht des Spannkörpers 2 mit seinen Spannstücken 3, die über die Teilungen 10 geteilt sind. In die Einlageflächen 8 werden die Heizelemente eingesetzt und später nach außen gegen die Rohröffnung des Mantels gepresst.
Die Spannung der Spannstücke 3 kann beispielsweise über Sprengringe in den Spannnuten 11 oder über eine Schraube an der Kegelfläche 12 erfolgen. Fig. 2 shows an external view of the shell 1 with its heat transfer ribs 7, which are optimized for heat transfer.
In the pipe opening 7, the clamping body 2 can be used.
Fig. 3 shows an oblique view of the clamping body 2 with its clamping pieces 3, which are divided over the partitions 10. In the insert surfaces 8, the heating elements are used and later pressed outwards against the pipe opening of the shell.
The tension of the clamping pieces 3 can be done for example via snap rings in the clamping grooves 11 or via a screw on the conical surface 12.

Bezugszeichenreference numeral

11
Mantelcoat
22
Spannkörpertensioning body
33
Spannstücksear
44
Rohröffnungtube opening
55
Erster elektrischer AnschlussFirst electrical connection
66
Zweiter elektrischer Anschluss, SchraubeSecond electrical connection, screw
77
WärmeübertragungsrippenHeat transfer fins
88th
Einlageflächeinsert surface
99
SpannlochClearance hole
1010
Teilungdivision
1111
SpannnuteSpannnute
1212
Kegelflächeconical surface

Claims (11)

Heizmodul mit mehreren Heizelementen und einem Wärmeübertrager, dadurch gekennzeichnet, dass
die Heizelemente elektrisch betriebene Keramikheizelemente mit positivem Temperaturkoeffizienten sind und diese innen in einen metallenen Wärmeübertrager innen eingespannt sind, der außen von einem Medium umströmt wird.Heating module with a plurality of heating elements and a heat exchanger, characterized in that
the heating elements are electrically operated ceramic heating elements with a positive temperature coefficient and these are internally clamped inside a metal heat exchanger, which is externally flowed around by a medium. Heizmodul nach Anspruch 1, dadurch gekennzeichnet, dass die Heizelemente mit einer Temperatur von bis zu 1100°C betrieben werden.Heating module according to claim 1, characterized in that the heating elements are operated at a temperature of up to 1100 ° C. Heizmodul nach Anspruch 1, dadurch gekennzeichnet, dass der Wärmeübertrager aus einem äußeren Mantel (1) und einem inneren Spannkörper (2) gebildet ist.Heating module according to claim 1, characterized in that the heat exchanger of an outer jacket (1) and an inner clamping body (2) is formed. Heizmodul nach Anspruch 3, dadurch gekennzeichnet, dass der äußere Mantel (1) im Wesentlichen als ein Rohr ausgebildet ist, dessen Rohröffnung (4) einen vieleckigen und bevorzugt einen viereckigen oder sechseckigem inneren Querschnitt besitzt.Heating module according to claim 3, characterized in that the outer jacket (1) is substantially formed as a tube whose tube opening (4) has a polygonal and preferably a quadrangular or hexagonal inner cross-section. Heizmodul nach Anspruch 4, dadurch gekennzeichnet, dass der Spannkörper (2) als ein in Spannstücke (3) geteiltes Rohr mit einer zu der Rohröffnung (4) korrespondierend gestalteten vieleckigen, bevorzugt viereckiger oder sechseckiger Außenfläche ausgebildet ist, das in die Rohröffnung (4) des Mantels einspannbar ist.Heating module according to claim 4, characterized in that the clamping body (2) as a in clamping pieces (3) divided tube with a corresponding to the pipe opening (4) designed polygonal, preferably square or hexagonal outer surface is formed in the pipe opening (4) of the jacket is clamped. Heizmodul nach Anspruch 5, dadurch gekennzeichnet, dass die Heizelemente zwischen der Rohröffnung (4) und den Außenflächen des Spannkörpers (2) eingespannt sind.Heating module according to claim 5, characterized in that the heating elements between the pipe opening (4) and the outer surfaces of the clamping body (2) are clamped. Heizmodul nach Anspruch 6, dadurch gekennzeichnet, dass das Festlegen des Spannkörpers (2) in dem äußeren Mantel (1) über ein Spannmittel und/oder ein Spreizmittel und/oder ein Verbindungsmittel erfolgt, wobei als Verbindungsmittel bevorzugt eine zentrale Schraube (6) vorgesehen ist, die die Spannstücke (3) des Spannkörpers (2) auseinander drückt.Heating module according to claim 6, characterized in that the fixing of the clamping body (2) in the outer jacket (1) via a clamping means and / or a spreading means and / or a connecting means takes place, wherein as a connecting means Preferably, a central screw (6) is provided which presses apart the clamping pieces (3) of the clamping body (2). Heizmodul nach Anspruch 6, dadurch gekennzeichnet, dass das Spannen des Spannkörpers (2) über innen eingesetzte Sprengringe erfolgt, die die Spannstücke (3) auseinander drücken.Heating module according to claim 6, characterized in that the clamping of the clamping body (2) via inside inserted snap rings takes place, which press the clamping pieces (3) apart. Heizmodul nach Anspruch 1, dadurch gekennzeichnet, dass die elektrische Kontaktierung der Heizelemente über den Mantel (1) und den Spannkörper (2) erfolgt.Heating module according to claim 1, characterized in that the electrical contacting of the heating elements via the jacket (1) and the clamping body (2). Heizmodul nach Anspruch 1, dadurch gekennzeichnet, dass der Mantel (1) an seiner Außenfläche Wärmeübertragungsrippen (7) besitzt.Heating module according to claim 1, characterized in that the jacket (1) has on its outer surface heat transfer ribs (7). Heizgerät mit einem Heizmodul nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass mit einem Lüfter ein Luftstrom über das Heizmodul geleitet wird.Heater with a heating module according to any one of the preceding claims, characterized in that a fan with an air flow over the heating module is passed.
EP16167760.4A 2015-10-08 2016-04-29 Heating module Withdrawn EP3153790A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15189007 2015-10-08
EP15196735.3A EP3153789A1 (en) 2015-10-08 2015-11-27 Heating module

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EP3153790A1 true EP3153790A1 (en) 2017-04-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327697A (en) * 1980-03-27 1982-05-04 Ngk Insulators, Ltd. Heater for air-fuel mixture having heating element of positive temperature coefficient resistor
DE3708056A1 (en) 1987-03-12 1988-09-22 Siemens Ag Heating element for heating flowing media
DE3821435A1 (en) * 1988-06-24 1989-12-28 Tim Wang Heating unit
DE10201262B4 (en) 2002-01-15 2006-09-07 Webasto Ag resistance
DE102007020531A1 (en) 2007-05-02 2008-11-06 Leister Process Technologies Hot-air unit, has heating unit made of semiconducting ceramic material i.e. porous for air flow, where material includes electrical contacts for connection to energy source and directly heated by current flowing over heating unit
DE102010033310A1 (en) * 2010-08-04 2012-02-09 Ingo Schehr Electric heating module with PTC element for the electrical heating of an air flow

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327697A (en) * 1980-03-27 1982-05-04 Ngk Insulators, Ltd. Heater for air-fuel mixture having heating element of positive temperature coefficient resistor
DE3708056A1 (en) 1987-03-12 1988-09-22 Siemens Ag Heating element for heating flowing media
DE3821435A1 (en) * 1988-06-24 1989-12-28 Tim Wang Heating unit
DE10201262B4 (en) 2002-01-15 2006-09-07 Webasto Ag resistance
DE102007020531A1 (en) 2007-05-02 2008-11-06 Leister Process Technologies Hot-air unit, has heating unit made of semiconducting ceramic material i.e. porous for air flow, where material includes electrical contacts for connection to energy source and directly heated by current flowing over heating unit
DE102010033310A1 (en) * 2010-08-04 2012-02-09 Ingo Schehr Electric heating module with PTC element for the electrical heating of an air flow

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