EP3378279A1 - Radiator arrangement for an electric heater, and electric heater - Google Patents

Radiator arrangement for an electric heater, and electric heater

Info

Publication number
EP3378279A1
EP3378279A1 EP16797946.7A EP16797946A EP3378279A1 EP 3378279 A1 EP3378279 A1 EP 3378279A1 EP 16797946 A EP16797946 A EP 16797946A EP 3378279 A1 EP3378279 A1 EP 3378279A1
Authority
EP
European Patent Office
Prior art keywords
radiator
heater
heating element
ptc heating
radiators
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
EP16797946.7A
Other languages
German (de)
French (fr)
Other versions
EP3378279B1 (en
Inventor
Wolfgang Werling
Didier Lehmann
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.)
DBK David and Baader GmbH
Original Assignee
DBK David and Baader 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 DBK David and Baader GmbH filed Critical DBK David and Baader GmbH
Publication of EP3378279A1 publication Critical patent/EP3378279A1/en
Application granted granted Critical
Publication of EP3378279B1 publication Critical patent/EP3378279B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/24—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor being self-supporting
    • 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
    • H05B2203/022—Heaters specially adapted for heating gaseous material

Definitions

  • Radiator assembly for an electric heater and electric heater
  • the invention relates to a radiator arrangement for a heater according to the preamble of patent claim 1.
  • the associated radiator In order to transfer the heat or the heat from the heater to a medium to be heated, e.g. To improve air, the associated radiator is mostly designed with ribs extending away from the PTC heating element.
  • a known radiator has e.g. Ribs which extend approximately radially away on one side of the radiator, while the ribs of the other side are aligned approximately parallel to each other.
  • DE 10 2006 018 150 A1 discloses a heating device with a heat exchanger body or radiator, in whose central main section PTC elements are accommodated.
  • the radiator has webs extending from the main section, which extend on both sides and parallel to one another.
  • radiators The heat extraction of such radiators depends essentially on their surface area and on the surface condition, both parameters with the production of the radiator. Accordingly, it is disadvantageous to the radiators of the prior art that their heat extraction is fixed, so that a variety of performance of heaters manufacturer always associated with different radiators.
  • the invention is based on the object to provide a radiator and a heater whose heat output is variable, so that it is applicable to different power ranges.
  • the claimed radiator assembly has at least one radiator, which may also be referred to as a heat spreader or convection body, and is configured to be placed in heat conductive communication with a PTC heater.
  • a PTC heater This is an electric heater can be formed.
  • the radiator has a first group of contact surfaces, to which a further substantially identical radiator can be applied and, for example, via bonding or clamping or screws or welding or soldering or crimping in heat conductive connection can be brought.
  • Essentially identical here may mean that in a respective relaxed state, the contact surfaces of the first group of a radiator are in one plane, while contact surfaces of the other radiator have a curvature.
  • An appropriately equipped heater can have a heat output of about 170 watts at -20 ° C.
  • the abutment surfaces of the first group are arranged in a first abutment plane or can be brought into this abutment plane by being pressed together with the further radiator. Then more than two contact surfaces can be brought simultaneously in heat conductive connection.
  • the radiator is an extruded profile preferably made of aluminum or an aluminum alloy.
  • the aluminum is anodized and / or painted. This results in a leveled temperature distribution with improved emission factor and further increased heat extraction.
  • the radiator has a second group of contact surfaces, to which also a further substantially identical radiator can be applied and, for example, via bonding or clamping or screws or welding or soldering or crimping in heat conductive connection can be brought.
  • the result is a modular radiator arrangement consisting of one or two or three identical parts with three-stage selectable heat extraction.
  • abutment surfaces of the second group are arranged in a second abutment plane or can be brought into this second abutment plane by compression with the further radiator, more than two abutment surfaces of the second group can be brought into heat-conducting connection at the same time. It is particularly preferred if the two contact planes are symmetrical to each other.
  • abutment surfaces are spaced apart from each other so that free spaces remain between the abutment surfaces, during operation, heated medium can be exchanged between the abutment surfaces through the free spaces, if no further radiator abuts on the abutment surfaces.
  • the contact surfaces of a group and the spaces between them together form a broad side of the radiator.
  • the contact surfaces of the group extend over at least 50% of this broad side, while the free spaces correspondingly extend over at most 50% of the same broad side.
  • the contact surfaces can occupy, for example, 60 to 80% of the broad side, while the free spaces occupy, for example, 20 to 40% of the same broad side.
  • a free space can be developed as a groove, via which a further component can be attached to the radiator.
  • the further component may be the further radiator or a fastening clip.
  • a cross section of the radiator may have an approximately rectangular outer frame.
  • deviating or supplemental contact surfaces of one and the same group in their entirety can have a curvature towards the outside in a relaxed state of the radiator, so that viewed in cross section these contact surfaces have an arc shape to the outside.
  • an abutment plane can have the curvature towards the outside, so that viewed in cross-section this abutment plane has an arc shape to the outside.
  • the curvature or the arc shape is generated according to a first variant by a pressing process, by which preferably also the PTC heating element is clamped in the radiator.
  • a pressing process by which preferably also the PTC heating element is clamped in the radiator.
  • the curvature or the arch shape is produced during extrusion of the radiator.
  • the contact surfaces are arranged on respective planar strip-shaped contact elements.
  • the radiator is preferably in the shape of a cuboid.
  • each of the four long and mutually parallel edges of the cuboid is formed by an outer edge of an outer abutment member.
  • the two outer contact elements of each group or each broad side can serve this purpose.
  • the contact elements can be fastened via a respective web to a main section into which the PTC heating element can be used with heat conductively-preferably clamped.
  • the Webs are preferably arranged perpendicular to the respective contact element. This results in a T- or L-shape of the contact element with the respective web.
  • the strip-shaped contact elements and / or the strip-shaped contact surfaces have a width which corresponds to a multiple, for example at least four times the material thickness of the associated web.
  • chimneys are formed between the main section, the webs and the plant elements.
  • the PTC heating element is preferably clamped in and surrounded by the interior of the main section, in the case of the extruded profile one of the two openings of the main section is provided for a power supply, while the other opening is completely closed with a seal.
  • a first groove is provided over which a further component, such as e.g. a touch guard or a mounting clip (according to DIN) for the radiator or the heater thus formed can be attached.
  • the attachment can be done by screws, which are screwed into the groove.
  • an anti-twist device or a thermal insulating part is preferably provided between the radiator and the further component.
  • a combined intermediate piece which fulfills both tasks.
  • the intermediate piece is then preferably made of thermally insulating material, preferably plastic.
  • a screw can also be screwed in along the groove there - in the extrusion profile along its pressing direction.
  • a second groove may be provided in a second narrow outer side of the radiator, which is mirror-symmetrical to the first narrow outer side.
  • a mounting clip or a contact protection on the radiator fastened. If the two grooves each have an extended groove bottom, over each of which a screw is formed, a terminal block or a connection housing for the PTC heating element can be securely attached to one end of the radiator via two screws.
  • the heater according to the invention has at least two above-described radiators, which are in thermal conduction with their respective group of contact surfaces in heat. Only one of the radiators is in direct heat conductive connection with a PTC heating element. The other radiator is in indirect heat conducting connection with the PTC heating element. Without a fan it is possible to reach approx. 180 - 350 Watt and with fan> 500 Watt each at -20 ° C. Preferably, the PTC heating element is clamped in the main portion of the affected radiator.
  • a middle radiator with the abutment surfaces of each of its two groups is in heat conducting communication with a respective outer radiator.
  • a PTC heating element is preferably clamped in the main portion of the affected central radiator.
  • only the two outer radiators are in direct heat-conducting connection with a respective PTC heating element.
  • the two PTC heating elements are preferably clamped in the respective main section of the two outer radiators concerned. Without a fan it is possible to reach about 400 watts and with fan about 530 watts each at -20 ° C.
  • a particular advantage of the radiator arrangement according to the invention is that even more than three radiators can be composed of heat conductively.
  • the number of PTC heating elements is variable.
  • a heater with radiators whose outer contact elements are gripped or gripped behind by means of clamps and are thus tensioned against one another.
  • the heater can also be used as a tube heater, wherein approximately circular segment-shaped adapter are used in areas between the radiators and an inner wall of the tube.
  • the tube heater in the direction of its extrusion and thus can be flowed through along its contact elements and its webs.
  • the output heat output can be increased significantly, as the convection flow is increased.
  • the heater can also be used for a control cabinet.
  • Figure 1 in a longitudinal section a heater according to the invention according to a first embodiment
  • Figure 2 is a cross-section of the heater of Figure 1;
  • Figure 3 is a perspective view of a heater according to a second embodiment
  • Figure 4 is a perspective view of a development of the heater of Figure 3;
  • FIG. 5 in a cross section a heater according to a third embodiment as an exploded view
  • FIG. 6 shows in a cross section a heater according to a fourth embodiment
  • Figure 7 is a perspective view of a development of the heater of Figure 6;
  • Figure 8 is a perspective view of the heater according to the second embodiment of Figure 3 with two mounting positions of a mounting clip with an intermediate piece;
  • Figure 9 shows the mounting clip and the intermediate piece of Figure 8 in a perspective view
  • Figure 10 shows the fastening clips and the intermediate piece of Figure 8 in a further perspective view
  • Figure 1 1 shows a detail of the heater of Figure 8 with the mounting clip and the intermediate piece in a sectional view.
  • Figure 1 shows a longitudinal section of a heater according to the invention according to a first embodiment. He has a radiator 1, which is designed as an aluminum extruded profile. In a central region of the radiator 1, a tubular flat main section 2 is provided, which is each closed at the end with a seal 4 made of silicone. Insulated connecting strands 6, which are provided for the electrical supply of a PTC heating element 8 clamped in the main section 2, are guided through one of the two seals 4. Furthermore, an insulating sheath 10 made of Kapton is provided for the PTC heating element 8.
  • FIG. 2 shows the heater of Figure 1 in a cross section.
  • the radiator 1 has in this cross section has an approximately rectangular outer frame, resulting in a first wide side 12 and a second wide side 14 and two narrow sides 16 of the radiator 1.
  • the two wide sides 12, 14 each have a slight curvature to the outside.
  • the radiator 1 of the first embodiment biases the PTC heating element 8 in its main section 2, so that a heat-conducting connection between the PTC heating element 8 and the radiator 1 is given.
  • five contact elements 18 of a first group are arranged in the region of the first wide side 12, on the respective outer side of which a respective contact surface 20 of the first group is formed.
  • four contact elements 22 of a second group are arranged in the region of the second wide side 14, on the respective outer side of which a corresponding contact surface 24 of the second group is formed.
  • a fifth contact element 22a of the second group interrupted by a further groove 28a is arranged, on which a contact surface 24a of the second group interrupted by the further groove 28a is formed.
  • All contact elements 18, 22, 22a are elongate and strip-like and extend perpendicular to the plane of the figure 2. Furthermore, all contact elements 18, 22 are connected via a respective web 26 with the main section 2. For this purpose, chimneys are formed in the interior of the radiator 1 between the webs 26 and the abutment elements 18, 22, whose cross-section is enlarged relative to the star-shaped ribs of the prior art, so that the flow through a medium to be heated is improved and heat accumulation is avoided.
  • the radiator 1 is designed mirror-symmetrically to a center plane 32.
  • a groove 28 is provided in each case, whose respective groove base is formed as a screw channel 30.
  • FIG. 1 shows a fastening clip 34 which is fastened to the first narrow side 16. More specifically, the mounting clip 34 is attached via a screw 36 screwed into the groove 28, which extends perpendicular to the groove bottom.
  • longitudinal structures are formed on flanks of the groove 28, which serve for the fixed engagement of a screw 36 screwed into the groove 28.
  • FIG 3 shows a perspective view of a second embodiment of a heater according to the invention.
  • the radiator 1 with the mounting clip 34 and the screw 36 corresponds to that of the first embodiment shown in Figures 1 and 2. Only the power supply of the heater is changed.
  • a terminal block 38 is attached to one of the end faces of the radiator 1.
  • two screws 40 which are screwed into the two screw 30, which extend along the radiator 1, and which are formed (according to Figure 2) on the groove bottom of the grooves 28.
  • the electrical contact by means (not shown) supply line is easy to implement.
  • FIG 4 shows a perspective view of a development of the second embodiment of the heater according to the invention with a radiator 1 according to FIG 3.
  • the radiator 1 is on three sides, on the two wide sides 12, 14 and on the mounting clip 34 opposite narrow side 16th covered with a shock protection 42.
  • a shock protection 42 In the region of the two wide sides 12, 14 of the contact protection has a plurality of transverse to the radiator 1 ventilation slots 44.
  • the touch contactor 42 a support portion 46 which is attached via two screws 48 on the narrow side 16 of the radiator 1.
  • the two screws 48 are screwed into the local groove 28.
  • Figure 5 shows an exploded view or in a not yet assembled state, a heater according to a third embodiment. It contains the heater of the first exemplary embodiment according to FIG. 2 with the radiator 1 and additionally a further identical radiator 50 into which no PTC heating element is inserted.
  • the two radiators 1, 50 are brought into abutment with their respective first wide sides 12. More precisely, the five contact surfaces 20 of the first group of the first radiator 1 with the five contact surfaces 20 of the first group of the further radiator 50 are thermally tensioned against each other.
  • brackets 52 are pushed over the outer abutment elements 18 on each side.
  • the radiator 1 which is provided with the PTC heating element 8, a crowning, ie a curvature of the contact surfaces 20 of the first group.
  • This crowning has been produced either during the compression of the radiator 1 with the PTC heating element 8 or during the extrusion of the radiator 1 designed as an aluminum profile.
  • the further radiator 50 has no crowning, so that the contact elements 18 of the first group are arranged in a plane and are aligned parallel to the contact elements 22 of the second group of the other radiator 50. Due to the interaction of the curved first group of the radiator 1 with the planar first group of the other radiator 50 results in compressing the outer abutment elements 18 via the brackets 52 in each case, for. B. even with larger manufacturing tolerances, an intimate connection and the three inner contact surfaces of the first groups.
  • FIG. 6 shows in a cross section an already mounted fourth exemplary embodiment of the heater according to the invention.
  • He has a radiator system consisting of three substantially identical radiators 1, 50, wherein the heat conductive connection of the central radiator 1 with the (in Figure 6 lower) further radiator 50 of those Figure 5 corresponds.
  • the upper radiator 50 in FIG. 6 is additionally tensioned to the middle radiator 1, more precisely to the contact surfaces 24, 24a of its second group.
  • a peculiarity results here that the interrupted by the further groove 28a abutment surface 24a of the second group of the central radiator 1 comes into contact with the central contact surface 20 of the first group of the upper further radiator 50.
  • FIG. 7 shows, in a perspective view, the fourth exemplary embodiment according to FIG. 6 of the heater according to the invention with the radiator system composed of three radiators 1, 50. It can be seen that two clamps 52 are provided on each side for each connection of two radiators 1, 50. On the middle radiator 1, the clamping block 38 and the fastening clip 34 are screwed on (compare FIG. 3).
  • the heater according to Figure 3 by attaching two further radiators 50 is modularly extended so that its surface is increased by a multiple, and that record (not shown in Figure 7) single average PTC heating element a comparatively large power and convert it into heat can. This applies in particular if, in addition, a fan (not shown) is provided which conveys an air flow along the strip-shaped contact elements 18, 22, 22a and the corresponding webs 26.
  • FIG. 8 shows the heater according to the second exemplary embodiment of FIG. 3 in a perspective view, in particular its second broad side 14.
  • the further groove 28a of the second broad side 14 and, moreover, also the groove 28 of the first narrow side 16 are visible.
  • the two grooves 28, 28 a provide two mounting options of the mounting clip 34th
  • an intermediate piece 54 can be seen in each case. It is arranged between the mounting clip 34 and the radiator 1 and made of a good thermal insulating plastic, eg PPS. Thus, the intermediate piece serves as a thermal insulation of the fastening clip 34 with respect to the hot radiator. 1 In addition, the intermediate piece 54 serves as an anti-rotation device for the fastening clip 34 with respect to the Ra- diator 1. For this purpose, the intermediate piece 54 has two shoulders 56, between which the fastening clip 34 is received or secured against rotation.
  • Figures 9 and 10 show the mounting clip 34 and the intermediate piece 54 of Figure 8 each in a perspective view.
  • the intermediate piece 54 has on its side facing the radiator 1 two cams 58, which together with (the thread) of the screw 36 form a row, and which dive together into the groove 28, 28 a.
  • the two cams 58 serve as anti-rotation of the intermediate piece 54 relative to the radiator. 1
  • Figure 1 1 shows a section of the heater or the radiator 1 of Figure 8 in a sectional view of the mounting clip 34 and the intermediate piece 54, which are arranged on the narrow side 16.
  • the screw 36 and the two cams 58 have approximately the same diameter, which corresponds to a width of the groove 28.
  • the visible in Figure 1 1 flank of the groove 28 has the longitudinal structure 60th
  • the screws 36, 48 which are screwed perpendicular to the groove base, given firm grip.
  • a modular radiator for an electric heater and a corresponding electrical heater wherein either a radiator alone is used or a plurality of radiators are used adjacent to each other to deliver the heat of one or more heating elements.

Landscapes

  • Resistance Heating (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Disclosed are a modular radiator for an electric heater as well as a corresponding electric heater; according to the invention, a single radiator or a plurality of adjoining radiators is used for radiating the heat generated by one or more heating elements.

Description

Radiatoranordnung für einen elektrischen Heizer und elektrischer Heizer  Radiator assembly for an electric heater and electric heater
Beschreibung description
Die Erfindung betrifft eine Radiatoranordnung für einen Heizer gemäß dem Oberbegriff des Patentanspruchs 1 . The invention relates to a radiator arrangement for a heater according to the preamble of patent claim 1.
Bei Heizern ist es bekannt, ein elektrisch betriebenes PTC-Heizelement mit einem Radiator Wärme leitend zu verbinden. Ein derartiges PTC-Heizelement hat einen positiven Temperaturkoeffizienten und zeichnet sich durch einen selbstregelnden Effekt aus, da es mit zunehmender Wärme einen erhöhten Widerstand hat und weniger Strom leitet, wodurch die Leistungsaufnahme verringert wird. In heaters, it is known to conductively connect an electrically operated PTC heating element with a radiator heat. Such a PTC heating element has a positive temperature coefficient and is characterized by a self-regulating effect, since it has an increased resistance with increasing heat and conducts less current, whereby the power consumption is reduced.
Um den Wärmeübergang bzw. die Wärmeauskopplung des Heizers an ein zu erwärmenden Medium, z.B. Luft, zu verbessern, wird der zugeordnete Radiator meistens mit Rippen ausgeführt, die sich von dem PTC-Heizelement weg erstrecken. In order to transfer the heat or the heat from the heater to a medium to be heated, e.g. To improve air, the associated radiator is mostly designed with ribs extending away from the PTC heating element.
In den Druckschriften DE 299 06 950 U 1 bzw. EP 1047168 B1 der Anmelderin ist ein Heizer für einen Schaltschrank offenbart, bei dem ein Radiator von einem Gehäuseteil umgriffen ist. Dadurch werden Luftstrom kanäle gebildet. In the documents DE 299 06 950 U 1 and EP 1047168 B1 of the applicant discloses a heater for a control cabinet, in which a radiator is surrounded by a housing part. As a result, air flow channels are formed.
Von der Anmelderin sind verschiedene weitere Heizer und Radiatoren bekannt. Ein bekannter Radiator hat z.B. Rippen, die sich an einer Seite des Radiators etwa strahlenförmig weg erstrecken, während die Rippen der anderen Seite etwa parallel zueinander ausgerichtet sind. The Applicant various other heaters and radiators are known. A known radiator has e.g. Ribs which extend approximately radially away on one side of the radiator, while the ribs of the other side are aligned approximately parallel to each other.
Die DE 10 2006 018 150 A1 offenbart eine Heizeinrichtung mit einem Wärmetauscherkörper bzw. Radiator, in dessen mittleren Hauptabschnitt PTC-Elemente aufgenommen sind. Der Radiator hat von dem Hauptabschnitt ausgehende Stege, die sich beidseitig und parallel zueinander erstrecken. DE 10 2006 018 150 A1 discloses a heating device with a heat exchanger body or radiator, in whose central main section PTC elements are accommodated. The radiator has webs extending from the main section, which extend on both sides and parallel to one another.
Die Wärmeauskopplung derartiger Radiatoren hängt im Wesentlichen von deren Oberflächengröße und von der Oberflächenbeschaffenheit ab, wobei beide Parameter mit der Produktion des Radiators festgelegt werden. Dem entsprechend ist nachteilig an den Radiatoren des Standes der Technik, dass ihre Wärmeauskopplung unveränderlich ist, so dass eine Leistungsvielfalt von Heizern eines Herstellers stets mit unterschiedlichen Radiatoren einhergeht. The heat extraction of such radiators depends essentially on their surface area and on the surface condition, both parameters with the production of the radiator. Accordingly, it is disadvantageous to the radiators of the prior art that their heat extraction is fixed, so that a variety of performance of heaters manufacturer always associated with different radiators.
Dem gegenüber liegt der Erfindung die Aufgabe zu Grunde, einen Radiator und einen Heizer zu schaffen dessen Wärmeauskopplung veränderbar ist, so dass er für verschieden Leistungsbereiche anwendbar ist. In contrast, the invention is based on the object to provide a radiator and a heater whose heat output is variable, so that it is applicable to different power ranges.
Diese Aufgabe wird gelöst durch eine Radiatoranordnung mit den Merkmalen des Patentanspruchs 1 und durch einen Heizer mit den Merkmalen des Patentanspruchs 12. This object is achieved by a radiator arrangement having the features of patent claim 1 and by a heater having the features of patent claim 12.
Die beanspruchte Radiatoranordnung hat zumindest einen Radiator, der auch als Wärmeverteilelement oder Konvektionskörper bezeichnet werden kann, und dazu ausgebildet ist, in Wärme leitende Verbindung mit einem PTC-Heizelement gebracht zu werden. Damit ist ein elektrischer Heizer bildbar. Erfindungsgemäß hat der Radiator eine erste Gruppe von Anlageflächen, an die ein weiterer im Wesentlichen baugleicher Radiator anlegbar und z.B. über Kleben oder Klemmen oder Schrauben oder Schweißen oder Löten oder Bördeln in Wärme leitende Verbindung bringbar ist. Im Wesentlichen baugleich kann hier bedeuten, dass in einem jeweiligen entspannten Zustand die Anlageflächen der ersten Gruppe eines Radiators in einer Ebene sind, während Anlageflächen des anderen Radiators eine Wölbung aufweisen. Erfindungsgemäß ergibt sich somit eine modulare Radiatoranordnung bestehend aus Gleichteilen mit zumindest zweistufig wählbarer Wärmeauskopplung. Ein entsprechend ausgestatteter Heizer kann eine Wärmeleistung von ca.170 Watt bei -20°C aufweisen. The claimed radiator assembly has at least one radiator, which may also be referred to as a heat spreader or convection body, and is configured to be placed in heat conductive communication with a PTC heater. This is an electric heater can be formed. According to the invention, the radiator has a first group of contact surfaces, to which a further substantially identical radiator can be applied and, for example, via bonding or clamping or screws or welding or soldering or crimping in heat conductive connection can be brought. Essentially identical here may mean that in a respective relaxed state, the contact surfaces of the first group of a radiator are in one plane, while contact surfaces of the other radiator have a curvature. According to the invention thus results in a modular radiator assembly consisting of identical parts with at least two-stage selectable heat extraction. An appropriately equipped heater can have a heat output of about 170 watts at -20 ° C.
Vorzugsweise sind die Anlageflächen der ersten Gruppe in einer ersten Anlageebene angeordnet oder durch ein Zusammenpressen mit dem weiteren Radiator in diese Anlageebene bringbar. Dann können auch mehr als zwei Anlageflächen gleichzeitig in Wärme leitende Verbindung gebracht werden. Preferably, the abutment surfaces of the first group are arranged in a first abutment plane or can be brought into this abutment plane by being pressed together with the further radiator. Then more than two contact surfaces can be brought simultaneously in heat conductive connection.
Bei einer besonders bevorzugten fertigungstechnisch optimierten Weiterbildung ist der Radiator ein Strangpressprofil vorzugsweise aus Aluminium bzw. einer Aluminium- legierung. So kann beispielsweise bei 175 mm Länge gegenüber dem Stand der Technik eine Gewichtsreduzierung um 70 Gramm erreicht werden. Vorzugsweise ist das Aluminium eloxiert und/oder lackiert. Damit ergibt sich eine nivellierte Temperaturverteilung mit verbessertem Emissionsfaktor und weiter erhöhter Wärmeauskopplung. In a particularly preferred production-optimized development, the radiator is an extruded profile preferably made of aluminum or an aluminum alloy. Thus, for example, at 175 mm length compared to the prior art, a weight reduction of 70 grams can be achieved. Preferably, the aluminum is anodized and / or painted. This results in a leveled temperature distribution with improved emission factor and further increased heat extraction.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Patentansprüchen beschrieben. Further advantageous embodiments of the invention are described in the dependent claims.
Bei einer besonders bevorzugten Weiterbildung hat der Radiator eine zweite Gruppe von Anlageflächen, an die ebenfalls ein weiterer im Wesentlichen baugleicher Radiator anlegbar ist und z.B. über Kleben oder Klemmen oder Schrauben oder Schweißen oder Löten oder Bördeln in Wärme leitende Verbindung bringbar ist. Es ergibt sich eine modu- lare Radiatoranordnung bestehend aus einem oder zwei oder drei Gleichteilen mit dreistufig wählbarer Wärmeauskopplung. In a particularly preferred embodiment, the radiator has a second group of contact surfaces, to which also a further substantially identical radiator can be applied and, for example, via bonding or clamping or screws or welding or soldering or crimping in heat conductive connection can be brought. The result is a modular radiator arrangement consisting of one or two or three identical parts with three-stage selectable heat extraction.
Wenn die Anlageflächen der zweiten Gruppe in einer zweiten Anlageebene angeordnet oder durch ein Zusammenpressen mit dem weiteren Radiator in diese zweite Anlageebene bringbar sind, können auch mehr als zwei Anlageflächen der zweiten Gruppe gleichzeitig in Wärme leitende Verbindung gebracht werden. Besonders bevorzugt wird es, wenn die beiden Anlageebenen symmetrisch zueinander sind. If the abutment surfaces of the second group are arranged in a second abutment plane or can be brought into this second abutment plane by compression with the further radiator, more than two abutment surfaces of the second group can be brought into heat-conducting connection at the same time. It is particularly preferred if the two contact planes are symmetrical to each other.
Wenn die Anlageflächen zueinander beabstandet sind, so dass zwischen den Anlageflächen Freiräume verbleiben, kann im Betrieb erwärmtes Medium zwischen den Anlageflächen durch die Freiräume ausgetauscht werden, wenn an den Anlageflächen kein weiterer Radiator anliegt. Die Anlageflächen einer Gruppe und die dazwischen angeordneten Freiräume ergeben zusammen eine breite Seite des Radiators. If the abutment surfaces are spaced apart from each other so that free spaces remain between the abutment surfaces, during operation, heated medium can be exchanged between the abutment surfaces through the free spaces, if no further radiator abuts on the abutment surfaces. The contact surfaces of a group and the spaces between them together form a broad side of the radiator.
Um eine gute Wärmeübertragung zu gewährleisten wird es besonders bevorzugt, wenn sich die Anlageflächen der Gruppe über mindestens 50% dieser breiten Seite erstrecken, während sich die Freiräume entsprechend über höchstens 50% der gleichen breiten Seite erstrecken. Die Anlageflächen können z.B. 60 bis 80% der breiten Seite belegen, während die Freiräume z.B. 20 bis 40% der gleichen breiten Seite belegen. Insbesondere mittig zwischen den Anlageflächen der zweiten Gruppe kann ein Frei- raum als Nut weitergebildet sein, über die eine weitere Komponente an dem Radiator befestigt werden kann. Die weitere Komponente kann der weitere Radiator oder ein Befestigungsclip sein. In order to ensure a good heat transfer, it is particularly preferred if the contact surfaces of the group extend over at least 50% of this broad side, while the free spaces correspondingly extend over at most 50% of the same broad side. The contact surfaces can occupy, for example, 60 to 80% of the broad side, while the free spaces occupy, for example, 20 to 40% of the same broad side. In particular, centrally between the contact surfaces of the second group, a free space can be developed as a groove, via which a further component can be attached to the radiator. The further component may be the further radiator or a fastening clip.
Ein Querschnitt des Radiators kann einen etwa rechteckigen Außenrahmen haben. Wie bereits erwähnt können abweichend oder in Ergänzung Anlageflächen ein und derselben Gruppe in ihrer Gesamtheit in einem entspannten Zustand des Radiators eine Wölbung nach außen aufweisen, so dass im Querschnitt betrachtet diese Anlageflächen eine Bogenform nach außen haben. Anders ausgedrückt kann eine Anlageebene die Wölbung nach außen aufweisen, so dass im Querschnitt betrachtet diese Anlageebene eine Bogenform nach außen hat. Damit ist eine Bombierung geschaffen, über die eine innige Verbindung der inneren (mittleren) Anlageflächen mit denjenigen des weiteren Radiators herstellbar ist. A cross section of the radiator may have an approximately rectangular outer frame. As already mentioned, deviating or supplemental contact surfaces of one and the same group in their entirety can have a curvature towards the outside in a relaxed state of the radiator, so that viewed in cross section these contact surfaces have an arc shape to the outside. In other words, an abutment plane can have the curvature towards the outside, so that viewed in cross-section this abutment plane has an arc shape to the outside. For a crowning is created, via which an intimate connection of the inner (middle) contact surfaces with those of the other radiator can be produced.
Die Wölbung bzw. die Bogenform wird gemäß einer ersten Variante durch einen Pressvorgang erzeugt, durch den vorzugsweise auch das PTC-Heizelement im Radiator eingespannt wird. Gemäß einer zweiten Variante wird die Wölbung bzw. die Bogenform bei Strangpressen des Radiators erzeugt. The curvature or the arc shape is generated according to a first variant by a pressing process, by which preferably also the PTC heating element is clamped in the radiator. According to a second variant, the curvature or the arch shape is produced during extrusion of the radiator.
Gemäß einer besonders bevorzugten Ausgestaltung sind die Anlageflächen an jeweiligen flächigen streifenförmigen Anlageelementen angeordnet. Damit ergibt sich ein länglicher Radiator, der sich in dem Strangpressverfahren vorteilhaft herstellen lässt. Damit hat der Radiator vorzugsweise die Form eines Quaders. According to a particularly preferred embodiment, the contact surfaces are arranged on respective planar strip-shaped contact elements. This results in an elongate radiator, which can be produced advantageously in the extrusion process. Thus, the radiator is preferably in the shape of a cuboid.
Vorzugsweise wird jede der vier langen und zueinander parallelen Kanten des Quaders von einem äußeren Rand eines äußeren Anlageelements gebildet. Dazu können insbesondere die beiden äußeren Anlageelemente jeder Gruppe bzw. jeder breiten Seite dienen. Preferably, each of the four long and mutually parallel edges of the cuboid is formed by an outer edge of an outer abutment member. In particular, the two outer contact elements of each group or each broad side can serve this purpose.
Zur Bildung von Kaminen und zur optimierten Wärmeübertragung können die Anlageelemente über einen jeweiligen Steg an einem Hauptabschnitt befestigt sein, in den das PTC-Heizelement Wärme leitend einsetzbar - vorzugsweise einspannbar - ist. Die Stege sind vorzugsweise senkrecht zum jeweiligen Anlageelement angeordnet. Damit ergibt sich eine T- oder L-Form des Anlageelements mit dem jeweiligen Steg. For the formation of fireplaces and for optimized heat transfer, the contact elements can be fastened via a respective web to a main section into which the PTC heating element can be used with heat conductively-preferably clamped. The Webs are preferably arranged perpendicular to the respective contact element. This results in a T- or L-shape of the contact element with the respective web.
Vorzugsweise haben die streifenförmigen Anlageelemente und/oder die streifenförmigen Anlageflächen eine Breite, die einem Mehrfachen, beispielsweise dem mindestens vierfachen der Materialstärke des zugeordneten Steges entspricht. Damit werden zwischen dem Hauptabschnitt, den Stegen und den Anlageelementen Kamine gebildet. Preferably, the strip-shaped contact elements and / or the strip-shaped contact surfaces have a width which corresponds to a multiple, for example at least four times the material thickness of the associated web. Thus, chimneys are formed between the main section, the webs and the plant elements.
Das PTC-Heizelement wird vorzugsweise in im Innern des Hauptabschnitts eingespannt und von diesem umgeben, im Falle des Strangpressprofils ist eine der beiden Öffnungen des Hauptabschnitts für eine Stromzuführung vorgesehen, während die andere Öffnung mit einer Dichtung komplett verschlossen ist. The PTC heating element is preferably clamped in and surrounded by the interior of the main section, in the case of the extruded profile one of the two openings of the main section is provided for a power supply, while the other opening is completely closed with a seal.
Vorzugsweise ist in einer ersten schmalen äußeren Seite des Radiators eine erste Nut vorgesehen, über die eine weitere Komponente wie z.B. ein Berührschutz oder ein Befestigungsclip (nach DIN) für den Radiator oder den damit gebildeten Heizer befestigt werden kann. Die Befestigung kann über Schrauben erfolgen, die in die Nut eingeschraubt werden. Preferably, in a first narrow outer side of the radiator, a first groove is provided over which a further component, such as e.g. a touch guard or a mounting clip (according to DIN) for the radiator or the heater thus formed can be attached. The attachment can be done by screws, which are screwed into the groove.
Zwischen dem Radiator und der weiteren Komponente ist vorzugsweise eine Verdrehsicherung oder ein thermisches Isolierteil vorgesehen. Besonders bevorzugt wird ein kombiniertes Zwischenstück, das beide Aufgaben erfüllt. Das Zwischenstück ist dann vorzugsweise aus thermisch isolierendem Material, vorzugsweise Kunststoff gefertigt. Damit kann z.B. der Befestigungsclip nach DIN einerseits vor Verdrehung und andererseits vor zu hohen Temperaturen (insbesondere Temperaturen über 95°C) geschützt werden. Between the radiator and the further component, an anti-twist device or a thermal insulating part is preferably provided. Particularly preferred is a combined intermediate piece, which fulfills both tasks. The intermediate piece is then preferably made of thermally insulating material, preferably plastic. Thus, e.g. the fastening clip according to DIN on the one hand against rotation and on the other hand against excessive temperatures (especially temperatures above 95 ° C) are protected.
Wenn die Nut einen erweiterten Nutgrund hat, über den ein Schraubkanal gebildet ist, kann dort auch eine Schraube entlang der Nut - beim Strangpressprofil entlang dessen Pressrichtung - eingeschraubt werden. If the groove has an extended groove base over which a screw channel is formed, a screw can also be screwed in along the groove there - in the extrusion profile along its pressing direction.
Eine vorteilhafte Weiterbildung des Radiators ist symmetrisch zu einer Mittelebene. Dabei kann in einer zweiten schmalen äußeren Seite des Radiators, die spiegelsymmetrisch zur ersten schmalen äußeren Seite ist, eine zweite Nut vorgesehen sein. Über diese ist ebenfalls eine der beiden oben genannten Komponenten, also ein Befestigungsclip oder ein Berührschutz am Radiator befestigbar. Wenn die beiden Nuten jeweils einen erweiterten Nutgrund haben, über den jeweils ein Schraubkanal gebildet ist, kann ein Klemmblock oder ein Anschlussgehäuse für das PTC-Heizelement an einer Stirnseite des Radiators über zwei Schrauben sicher befestigt werden. An advantageous development of the radiator is symmetrical to a median plane. In this case, in a second narrow outer side of the radiator, which is mirror-symmetrical to the first narrow outer side, a second groove may be provided. About this is also one of the two components mentioned above, so a mounting clip or a contact protection on the radiator fastened. If the two grooves each have an extended groove bottom, over each of which a screw is formed, a terminal block or a connection housing for the PTC heating element can be securely attached to one end of the radiator via two screws.
Der erfindungsgemäße Heizer weist zumindest zwei vorbeschriebene Radiatoren auf, die mit ihrer jeweiligen Gruppe von Anlageflächen in Wärme leitender Verbindung sind. Nur einer der Radiatoren ist dabei in direkter Wärme leitender Verbindung mit einem PTC-Heizelement. Der andere Radiator ist in indirekter Wärme leitender Verbindung mit dem PTC-Heizelement. Ohne Lüfter sind damit ca. 180 - 350 Watt und mit Lüfter > 500 Watt jeweils bei -20°C erreichbar. Vorzugsweise ist das PTC-Heizelement in den Hauptabschnitt des betroffenen Radiators eingespannt. The heater according to the invention has at least two above-described radiators, which are in thermal conduction with their respective group of contact surfaces in heat. Only one of the radiators is in direct heat conductive connection with a PTC heating element. The other radiator is in indirect heat conducting connection with the PTC heating element. Without a fan it is possible to reach approx. 180 - 350 Watt and with fan> 500 Watt each at -20 ° C. Preferably, the PTC heating element is clamped in the main portion of the affected radiator.
Wenn der erfindungsgemäße Heizer drei Radiatoren aufweist, ist ein mittlerer Radiator mit den Anlageflächen jeder seiner beiden Gruppen in Wärme leitender Verbindung mit einem jeweiligen äußeren Radiator. Gemäß einer ersten Variante ist nur der mittlere Radiator in direkter Wärme leitender Verbindung mit einem PTC-Heizelement. Auch dabei ist das PTC-Heizelement vorzugsweise in den Hauptabschnitt des betroffenen mittleren Radiators eingespannt. Gemäß einer zweiten Variante sind nur die beiden äußeren Radiatoren in direkter Wärme leitender Verbindung mit einem jeweiligen PTC-Heizelement. Auch dabei sind die beiden PTC-Heizelemente vorzugsweise in den jeweiligen Hauptabschnitt der beiden betroffenen äußeren Radiatoren eingespannt. Ohne Lüfter sind damit ca. 400 Watt und mit Lüfter ca. 530 Watt jeweils bei -20°C erreichbar. When the heater according to the invention has three radiators, a middle radiator with the abutment surfaces of each of its two groups is in heat conducting communication with a respective outer radiator. According to a first variant, only the middle radiator is in direct heat conducting connection with a PTC heating element. Again, the PTC heating element is preferably clamped in the main portion of the affected central radiator. According to a second variant, only the two outer radiators are in direct heat-conducting connection with a respective PTC heating element. Again, the two PTC heating elements are preferably clamped in the respective main section of the two outer radiators concerned. Without a fan it is possible to reach about 400 watts and with fan about 530 watts each at -20 ° C.
Ein besonderer Vorteil der erfindungsgemäßen Radiatoranordnung ist, dass auch mehr als drei Radiatoren Wärme leitend zusammengesetzt werden können. Die Anzahl der PTC-Heizelemente ist dabei variabel. A particular advantage of the radiator arrangement according to the invention is that even more than three radiators can be composed of heat conductively. The number of PTC heating elements is variable.
Besonders bevorzugt wird ein Heizer mit Radiatoren, deren äußere Anlageelemente mittels Klammern umgriffen oder hintergriffen und so gegeneinander gespannt sind. Der Heizer kann auch als Rohrheizer eingesetzt werden, wobei in Bereichen zwischen den Radiatoren und einer Innenwand des Rohres etwa kreissegmentförmige Adapter eingesetzt sind. Vorzugsweise ist der Rohrheizer in Richtung seiner Strangpressung und damit entlang seiner Anlageelemente und seiner Stege durchströmbar. Particularly preferred is a heater with radiators whose outer contact elements are gripped or gripped behind by means of clamps and are thus tensioned against one another. The heater can also be used as a tube heater, wherein approximately circular segment-shaped adapter are used in areas between the radiators and an inner wall of the tube. Preferably, the tube heater in the direction of its extrusion and thus can be flowed through along its contact elements and its webs.
Wenn der Heizer einen Lüfter aufweist, kann die abgegebene Wärmeleistung deutlich erhöht werden, da die Konvektionsströmung erhöht ist. If the heater has a fan, the output heat output can be increased significantly, as the convection flow is increased.
Der Heizer kann auch für einen Schaltschrank eingesetzt werden. The heater can also be used for a control cabinet.
Mehrere Ausführungsbeispiele eines erfindungsgemäßen Heizers mit einem oder mehreren Radiatoren sind in den Figuren dargestellt. Es zeigen: Several embodiments of a heater according to the invention with one or more radiators are shown in the figures. Show it:
Figur 1 in einem Längsschnitt einen erfindungsgemäßen Heizer gemäß einem ersten Ausführungsbeispiel; Figure 1 in a longitudinal section a heater according to the invention according to a first embodiment;
Figur 2 in einem Querschnitt den Heizer aus Figur 1 ;  Figure 2 is a cross-section of the heater of Figure 1;
Figur 3 in einer perspektivischen Ansicht einen Heizer gemäß einem zweiten Ausführungsbeispiel;  Figure 3 is a perspective view of a heater according to a second embodiment;
Figur 4 in einer perspektivischen Ansicht eine Weiterbildung des Heizers aus Figur 3; Figure 4 is a perspective view of a development of the heater of Figure 3;
Figur 5 in einem Querschnitt einen Heizer gemäß einem dritten Ausführungsbeispiel als Explosionszeichnung; Figure 5 in a cross section a heater according to a third embodiment as an exploded view;
Figur 6 in einem Querschnitt einen Heizer gemäß einem vierten Ausführungsbeispiel; 6 shows in a cross section a heater according to a fourth embodiment;
Figur 7 in einer perspektivischen Darstellung eine Weiterbildung des Heizers aus Figur 6; Figure 7 is a perspective view of a development of the heater of Figure 6;
Figur 8 in einer perspektivischen Ansicht den Heizer gemäß dem zweiten Ausführungsbeispiel aus Figur 3 mit zwei Befestigungspositionen eines Befestigungsclips mit einem Zwischenstück;  Figure 8 is a perspective view of the heater according to the second embodiment of Figure 3 with two mounting positions of a mounting clip with an intermediate piece;
Figur 9 den Befestigungsclip und das Zwischenstück aus Figur 8 in einer perspektivischen Darstellung;  Figure 9 shows the mounting clip and the intermediate piece of Figure 8 in a perspective view;
Figur 10 den Befestigungsclips und das Zwischenstück aus Figur 8 in einer weiteren perspektivischen Darstellung; und  Figure 10 shows the fastening clips and the intermediate piece of Figure 8 in a further perspective view; and
Figur 1 1 einen Ausschnitt des Heizers aus Figur 8 mit dem Befestigungsclip und dem Zwischenstück in einer geschnittenen Darstellung. Figur 1 zeigt in einem Längsschnitt einen erfindungsgemäßen Heizer gemäß einem ersten Ausführungsbeispiel. Er hat einen Radiator 1 , der als Alu-Strangpressprofil ausgebildet ist. In einem mittleren Bereich des Radiators 1 ist ein rohrförmiger flacher Hauptabschnitt 2 vorgesehen, der stirnseitig jeweils mit einer aus Silikon gefertigten Dichtung 4 verschlossen ist. Durch eine der beiden Dichtungen 4 sind isolierte Anschlusslitzen 6 geführt, die zur elektrischen Versorgung eines in dem Hauptabschnitt 2 eingespannten PTC-Heizelements 8 vorgesehen sind. Weiterhin ist eine Isolierhülle 10 aus Kapton für das PTC-Heizelement 8 vorgesehen. Figure 1 1 shows a detail of the heater of Figure 8 with the mounting clip and the intermediate piece in a sectional view. Figure 1 shows a longitudinal section of a heater according to the invention according to a first embodiment. He has a radiator 1, which is designed as an aluminum extruded profile. In a central region of the radiator 1, a tubular flat main section 2 is provided, which is each closed at the end with a seal 4 made of silicone. Insulated connecting strands 6, which are provided for the electrical supply of a PTC heating element 8 clamped in the main section 2, are guided through one of the two seals 4. Furthermore, an insulating sheath 10 made of Kapton is provided for the PTC heating element 8.
Figur 2 zeigt den Heizer aus Figur 1 in einem Querschnitt. Der Radiator 1 hat in diesem Querschnitt hat einen etwa rechteckigen Außenrahmen, wodurch sich eine erste breite Seite 12 und eine zweite breite Seite 14 und zwei schmale Seiten 16 des Radiators 1 ergeben. Die beiden breiten Seiten 12, 14 haben in dem in Figur 2 gezeigten entspannten Zustand des Radiators 1 jeweils eine leichte Wölbung nach außen. Diese Wölbungen sind beim ersten Ausführungsbeispiel der erfindungsgemäßen Heizers mit nur einem Radiator 1 unerheblich und dienen bei einem Radiatorsystem mit zwei oder mit drei Radiatoren 1 zur Erzeugung einer innigen Wärme leitenden Verbindung, was mit Bezug zu den Figuren 5 und 6 erläutert wird. Figure 2 shows the heater of Figure 1 in a cross section. The radiator 1 has in this cross section has an approximately rectangular outer frame, resulting in a first wide side 12 and a second wide side 14 and two narrow sides 16 of the radiator 1. In the relaxed state of the radiator 1 shown in FIG. 2, the two wide sides 12, 14 each have a slight curvature to the outside. These bulges are insignificant in the first embodiment of the heater according to the invention with only one radiator 1 and are used in a radiator system with two or three radiators 1 to produce an intimate heat conductive connection, which will be explained with reference to Figures 5 and 6.
Der Radiator 1 des ersten Ausführungsbeispiels spannt in seinem Hauptabschnitt 2 das PTC-Heizelement 8 ein, so dass eine Wärme leitende Verbindung zwischen dem PTC-Heizelement 8 und dem Radiator 1 gegeben ist. Am Hauptabschnitt 2 sind im Bereich der ersten breiten Seite 12 fünf Anlageelemente 18 einer ersten Gruppe angeordnet, an deren jeweiligen Außenseite eine jeweilige Anlagefläche 20 der ersten Gruppe gebildet ist. Auf prinzipiell vergleichbare Weise sind im Bereich der zweiten breiten Seite 14 vier Anlageelemente 22 einer zweiten Gruppe angeordnet, an deren jeweiligen Außenseite eine entsprechende Anlagefläche 24 der zweiten Gruppe gebildet ist. Mittig in der zweiten breiten Seite 14 ist ein fünftes durch eine weitere Nut 28a unterbrochenes Anlageelement 22a der zweiten Gruppe angeordnet, an dem eine durch die weitere Nut 28a unterbrochene Anlagefläche 24a der zweiten Gruppe gebildet ist. Alle Anlageelemente 18, 22, 22a sind länglich und streifenartig und erstrecken sich senkrecht zur Zeichenebene der Figur 2. Weiterhin sind alle Anlageelemente 18, 22 über einen jeweiligen Steg 26 mit dem Hauptabschnitt 2 verbunden. Damit sind im Innern des Radiators 1 zwischen den Stegen 26 und den Anlageelementen 18, 22 Kamine gebildet, deren Querschnitt gegenüber den sternförmig angeordneten Rippen des Standes der Technik vergrößert sind, so dass die Durchströmung eines zu erwärmenden Mediums verbessert ist und ein Wärmestau vermieden wird. The radiator 1 of the first embodiment biases the PTC heating element 8 in its main section 2, so that a heat-conducting connection between the PTC heating element 8 and the radiator 1 is given. On the main section 2, five contact elements 18 of a first group are arranged in the region of the first wide side 12, on the respective outer side of which a respective contact surface 20 of the first group is formed. In a manner which is comparable in principle, four contact elements 22 of a second group are arranged in the region of the second wide side 14, on the respective outer side of which a corresponding contact surface 24 of the second group is formed. In the middle in the second wide side 14, a fifth contact element 22a of the second group interrupted by a further groove 28a is arranged, on which a contact surface 24a of the second group interrupted by the further groove 28a is formed. All contact elements 18, 22, 22a are elongate and strip-like and extend perpendicular to the plane of the figure 2. Furthermore, all contact elements 18, 22 are connected via a respective web 26 with the main section 2. For this purpose, chimneys are formed in the interior of the radiator 1 between the webs 26 and the abutment elements 18, 22, whose cross-section is enlarged relative to the star-shaped ribs of the prior art, so that the flow through a medium to be heated is improved and heat accumulation is avoided.
Der Radiator 1 ist spiegelsymmetrisch zu einer Mittelebene 32 ausgestaltet. An den beiden schmalen Seiten 16 des Radiators 1 ist jeweils eine Nut 28 vorgesehen, deren jeweiliger Nutgrund als Schraubkanal 30 ausgebildet ist. Figur 1 zeigt einen Befestigungsclip 34, der an der ersten schmalen Seite 16 befestigt ist. Genauer gesagt ist der Befestigungsclip 34 über eine in die Nut 28 eingeschraubte Schraube 36 befestigt, die sich senkrecht zum Nutgrund erstreckt. Ergänzend sind an Flanken der Nut 28 Längsstrukturen ausgebildet, die zum festen Eingriff einer in die Nut 28 eingeschraubten Schraube 36 dienen. The radiator 1 is designed mirror-symmetrically to a center plane 32. On the two narrow sides 16 of the radiator 1, a groove 28 is provided in each case, whose respective groove base is formed as a screw channel 30. FIG. 1 shows a fastening clip 34 which is fastened to the first narrow side 16. More specifically, the mounting clip 34 is attached via a screw 36 screwed into the groove 28, which extends perpendicular to the groove bottom. In addition, longitudinal structures are formed on flanks of the groove 28, which serve for the fixed engagement of a screw 36 screwed into the groove 28.
Figur 3 zeigt in einer perspektivischen Ansicht ein zweites Ausführungsbeispiel eines erfindungsgemäßen Heizers. Dabei entspricht der Radiator 1 mit dem Befestigungsclip 34 und der Schraube 36 demjenigen des ersten Ausführungsbeispiels gemäß den Figuren 1 und 2. Lediglich die Stromzuführung des Heizers ist geändert. Genauer gesagt ist an einer der Stirnseiten des Radiators 1 ein Klemmblock 38 befestigt. Dazu dienen zwei Schrauben 40, die in die beiden Schraubkanäle 30 eingeschraubt sind, die sich entlang dem Radiator 1 erstrecken, und die (gemäß Figur 2) am Nutgrund der Nuten 28 gebildet sind. Über den Klemmblock 38 ist die elektrische Kontaktierung mittels (nicht dargestellter) Zuleitung leicht realisierbar. Figure 3 shows a perspective view of a second embodiment of a heater according to the invention. In this case, the radiator 1 with the mounting clip 34 and the screw 36 corresponds to that of the first embodiment shown in Figures 1 and 2. Only the power supply of the heater is changed. More specifically, a terminal block 38 is attached to one of the end faces of the radiator 1. Serve for this purpose are two screws 40, which are screwed into the two screw 30, which extend along the radiator 1, and which are formed (according to Figure 2) on the groove bottom of the grooves 28. About the terminal block 38, the electrical contact by means (not shown) supply line is easy to implement.
Figur 4 zeigt in einer perspektivischen Ansicht eine Weiterbildung des zweiten Ausführungsbeispiels des erfindungsgemäßen Heizers mit einem Radiator 1 gemäß Figur 3. Der Radiator 1 ist dreiseitig, und zwar an den beiden breiten Seiten 12, 14 und an der dem Befestigungsclip 34 gegenüber liegenden schmalen Seite 16 mit einem Berührschutz 42 abgedeckt. Im Bereich der beiden breiten Seiten 12, 14 hat der Berührschutz eine Vielzahl von quer zum Radiator 1 verlaufenden Lüftungsschlitzen 44. Weiterhin hat der Berühr- schütz 42 einen Tragabschnitt 46, der über zwei Schrauben 48 an der schmalen Seite 16 des Radiators 1 befestigt ist. Dazu sind die beiden Schrauben 48 in die dortige Nut 28 eingeschraubt. 4 shows a perspective view of a development of the second embodiment of the heater according to the invention with a radiator 1 according to FIG 3. The radiator 1 is on three sides, on the two wide sides 12, 14 and on the mounting clip 34 opposite narrow side 16th covered with a shock protection 42. In the region of the two wide sides 12, 14 of the contact protection has a plurality of transverse to the radiator 1 ventilation slots 44. Furthermore, the touch contactor 42 a support portion 46 which is attached via two screws 48 on the narrow side 16 of the radiator 1. For this purpose, the two screws 48 are screwed into the local groove 28.
Figur 5 zeigt in einer Explosionszeichnung bzw. in einem noch nicht montierten Zustand einen Heizer gemäß einem dritten Ausführungsbeispiel. Er enthält den Heizer des ersten Ausführungsbeispiels gemäß Figur 2 mit dem Radiator 1 und zusätzlich einen weiteren baugleichen Radiator 50, in den kein PTC-Heizelement eingesetzt ist. Die beiden Radiatoren 1 , 50 werden mit ihren jeweiligen ersten breiten Seiten 12 aneinander in Anlage gebracht. Genauer gesagt werden die fünf Anlageflächen 20 der ersten Gruppe des ersten Radiators 1 mit den fünf Anlageflächen 20 der ersten Gruppe des weiteren Radiators 50 Wärme leitend gegeneinander gespannt. Zur Verspannung und zur Sicherung werden an jeder Seite Klammern 52 über die äußeren Anlageelemente 18 geschoben. Figure 5 shows an exploded view or in a not yet assembled state, a heater according to a third embodiment. It contains the heater of the first exemplary embodiment according to FIG. 2 with the radiator 1 and additionally a further identical radiator 50 into which no PTC heating element is inserted. The two radiators 1, 50 are brought into abutment with their respective first wide sides 12. More precisely, the five contact surfaces 20 of the first group of the first radiator 1 with the five contact surfaces 20 of the first group of the further radiator 50 are thermally tensioned against each other. For bracing and securing brackets 52 are pushed over the outer abutment elements 18 on each side.
Wie mit Bezug zur Figur 2 erläutert wurde, hat der Radiator 1 , der mit dem PTC-Heizelement 8 versehen ist, eine Bombierung, also eine Wölbung der Anlageflächen 20 der ersten Gruppe. Diese Bombierung ist entweder beim Verpressen des Radiators 1 mit dem PTC-Heizelement 8 oder beim Strangpressen des als Aluprofil ausgebildeten Radiators 1 erzeugt worden. As has been explained with reference to Figure 2, the radiator 1, which is provided with the PTC heating element 8, a crowning, ie a curvature of the contact surfaces 20 of the first group. This crowning has been produced either during the compression of the radiator 1 with the PTC heating element 8 or during the extrusion of the radiator 1 designed as an aluminum profile.
Beim gezeigten Ausführungsbeispiel gemäß Figur 5 hat der weitere Radiator 50 keine Bombierung, so dass die Anlageelemente 18 der ersten Gruppe in einer Ebene angeordnet sind und dabei parallel zu den Anlageelementen 22 der zweiten Gruppe des weiteren Radiators 50 ausgerichtet sind. Durch das Zusammenwirken der gewölbten ersten Gruppe des Radiators 1 mit der ebenen ersten Gruppe des weiteren Radiators 50 ergibt sich beim Zusammenpressen der äußeren Anlageelemente 18 über die Klammern 52 in jedem Fall, z. B. auch bei größeren Fertigungstoleranzen, eine innige Verbindung auch der drei inneren Anlageflächen der ersten Gruppen. In the embodiment shown in FIG 5, the further radiator 50 has no crowning, so that the contact elements 18 of the first group are arranged in a plane and are aligned parallel to the contact elements 22 of the second group of the other radiator 50. Due to the interaction of the curved first group of the radiator 1 with the planar first group of the other radiator 50 results in compressing the outer abutment elements 18 via the brackets 52 in each case, for. B. even with larger manufacturing tolerances, an intimate connection and the three inner contact surfaces of the first groups.
Figur 6 zeigt in einem Querschnitt ein bereits montiertes viertes Ausführungsbeispiel des erfindungsgemäßen Heizers. Er hat ein Radiatorsystem bestehend aus drei im Wesentlichen baugleichen Radiatoren 1 , 50, wobei die Wärme leitende Verbindung des mittleren Radiators 1 mit dem (in Figur 6 unteren) weiteren Radiator 50 derjenigen aus Figur 5 entspricht. Der in Figur 6 obere weitere Radiator 50 ist ergänzend an den mittleren Radiator 1 , genauer gesagt an die Anlageflächen 24, 24a seiner zweiten Gruppe gespannt. Als Besonderheit ergibt sich hier, dass die durch die weitere Nut 28a unterbrochene Anlagefläche 24a der zweiten Gruppe des mittleren Radiators 1 in Anlage mit der mittleren Anlagefläche 20 der ersten Gruppe des oberen weiteren Radiators 50 gelangt. Auch hier ergibt sich über die Klammern 52 eine innige und Wärme leitende Anlage, da (gemäß Figur 5) auch die Anlageflächen 24, 24a der zweiten Gruppe des Radiators 1 gewölbt sind. FIG. 6 shows in a cross section an already mounted fourth exemplary embodiment of the heater according to the invention. He has a radiator system consisting of three substantially identical radiators 1, 50, wherein the heat conductive connection of the central radiator 1 with the (in Figure 6 lower) further radiator 50 of those Figure 5 corresponds. The upper radiator 50 in FIG. 6 is additionally tensioned to the middle radiator 1, more precisely to the contact surfaces 24, 24a of its second group. A peculiarity results here that the interrupted by the further groove 28a abutment surface 24a of the second group of the central radiator 1 comes into contact with the central contact surface 20 of the first group of the upper further radiator 50. Again, this results from the brackets 52 an intimate and heat-conducting system, since (according to Figure 5) and the contact surfaces 24, 24a of the second group of the radiator 1 are curved.
Figur 7 zeigt in einer perspektivischen Ansicht das vierte Ausführungsbeispiel gemäß Figur 6 des erfindungsgemäßen Heizers mit dem aus drei Radiatoren 1 , 50 zusammengesetzten Radiatorsystem. Es ist zu erkennen, dass für jede Verbindung zweier Radiatoren 1 , 50 auf jeder Seite zwei Klammern 52 vorgesehen sind. Am mittleren Radiator 1 ist der Klemmblock 38 und der Befestigungsclip 34 angeschraubt (vgl. Figur 3). Damit ist der Heizer gemäß Figur 3 durch Ansetzen zweier weiterer Radiatoren 50 modular derart erweitert, dass seine Oberfläche um ein Vielfaches vergrößert ist, und dass das (in Figur 7 nicht gezeigte) einzige mittlere PTC-Heizelement eine vergleichsweise große Leistung aufnehmen und in Wärme umwandeln kann. Dies gilt insbesondere, wenn ergänzend ein (nicht gezeigter) Lüfter vorgesehen ist, der einen Luftstrom entlang der streifenförmigen Anlageelemente 18, 22, 22a und der entsprechenden Stege 26 fördert. FIG. 7 shows, in a perspective view, the fourth exemplary embodiment according to FIG. 6 of the heater according to the invention with the radiator system composed of three radiators 1, 50. It can be seen that two clamps 52 are provided on each side for each connection of two radiators 1, 50. On the middle radiator 1, the clamping block 38 and the fastening clip 34 are screwed on (compare FIG. 3). Thus, the heater according to Figure 3 by attaching two further radiators 50 is modularly extended so that its surface is increased by a multiple, and that record (not shown in Figure 7) single average PTC heating element a comparatively large power and convert it into heat can. This applies in particular if, in addition, a fan (not shown) is provided which conveys an air flow along the strip-shaped contact elements 18, 22, 22a and the corresponding webs 26.
Figur 8 zeigt den Heizer gemäß dem zweiten Ausführungsbeispiel aus Figur 3 in einer perspektivischen Ansicht insbesondere auf seine zweite breite Seite 14. Damit sind die weitere Nut 28a der zweiten breiten Seite 14 und darüber hinaus auch die Nut 28 der ersten schmalen Seite 16 sichtbar. Die beiden Nuten 28, 28a bieten zwei Befestigungsmöglichkeiten des Befestigungsclips 34. FIG. 8 shows the heater according to the second exemplary embodiment of FIG. 3 in a perspective view, in particular its second broad side 14. Thus, the further groove 28a of the second broad side 14 and, moreover, also the groove 28 of the first narrow side 16 are visible. The two grooves 28, 28 a provide two mounting options of the mounting clip 34th
Ergänzend ist jeweils ein Zwischenstück 54 zu erkennen. Es ist zwischen dem Befestigungsclip 34 und dem Radiator 1 angeordnet und aus einem gut thermisch isolierenden Kunststoff, z.B. PPS gefertigt. Damit dient das Zwischenstück als thermische Isolierung des Befestigungsclips 34 gegenüber dem heißen Radiator 1 . Zusätzlich dient das Zwischenstück 54 als Verdrehsicherung für den Befestigungsclip 34 gegenüber dem Ra- diator 1 . Dazu hat das Zwischenstück 54 zwei Schultern 56, zwischen denen der Befestigungsclip 34 verdrehgesichert aufgenommen oder eingespannt ist. In addition, an intermediate piece 54 can be seen in each case. It is arranged between the mounting clip 34 and the radiator 1 and made of a good thermal insulating plastic, eg PPS. Thus, the intermediate piece serves as a thermal insulation of the fastening clip 34 with respect to the hot radiator. 1 In addition, the intermediate piece 54 serves as an anti-rotation device for the fastening clip 34 with respect to the Ra- diator 1. For this purpose, the intermediate piece 54 has two shoulders 56, between which the fastening clip 34 is received or secured against rotation.
Figuren 9 und 10 zeigen den Befestigungsclip 34 und das Zwischenstück 54 aus Figur 8 jeweils in einer perspektivischen Darstellung. Das Zwischenstück 54 hat an seiner dem Radiator 1 zugewandten Seite zwei Nocken 58, die gemeinsam mit (dem Gewinde) der Schraube 36 eine Reihe bilden, und die gemeinsam in die Nut 28, 28a eintauchen. Damit dienen die beiden Nocken 58 als Verdrehsicherung des Zwischenstücks 54 gegenüber dem Radiator 1 . Figures 9 and 10 show the mounting clip 34 and the intermediate piece 54 of Figure 8 each in a perspective view. The intermediate piece 54 has on its side facing the radiator 1 two cams 58, which together with (the thread) of the screw 36 form a row, and which dive together into the groove 28, 28 a. Thus, the two cams 58 serve as anti-rotation of the intermediate piece 54 relative to the radiator. 1
Figur 1 1 zeigt einen Ausschnitt des Heizers bzw. des Radiators 1 aus Figur 8 in einer geschnittenen Darstellung des Befestigungsclips 34 und des Zwischenstücks 54, die an der schmalen Seite 16 angeordnet sind. Die Schraube 36 und die beiden Nocken 58 haben etwa einen gleichen Durchmesser, der einer Breite der Nut 28 entspricht. Die in Figur 1 1 sichtbare Flanke der Nut 28 hat die Längsstruktur 60. Figure 1 1 shows a section of the heater or the radiator 1 of Figure 8 in a sectional view of the mounting clip 34 and the intermediate piece 54, which are arranged on the narrow side 16. The screw 36 and the two cams 58 have approximately the same diameter, which corresponds to a width of the groove 28. The visible in Figure 1 1 flank of the groove 28 has the longitudinal structure 60th
Die erste und die zweite Nut 28, die jeweils an einer schmalen Seiten 16 des Radiators 1 angeordnet sind, und die weitere Nut 28a, die an der zweiten breiten Seite 14 des Radiators 1 angeordnet ist, haben jeweils an ihren beiden Flanken eine derartige Längsstruktur 60. Damit wird den Schrauben 36, 48, die senkrecht zum Nutgrund eingeschraubt werden, fester Halt gegeben. The first and the second groove 28, which are respectively arranged on a narrow side 16 of the radiator 1, and the further groove 28 a, which is arranged on the second wide side 14 of the radiator 1, each have on their two flanks such a longitudinal structure 60 Thus, the screws 36, 48, which are screwed perpendicular to the groove base, given firm grip.
Offenbart sind ein modularer Radiator für einen elektrischen Heizer und ein entsprechender elektrischer Heizer, wobei entweder ein Radiator alleine eingesetzt wird oder mehrere Radiatoren aneinander anliegend eingesetzt werden, um die Wärme eines oder mehrerer Heizelemente abzugeben. Bezugszeichenliste Disclosed are a modular radiator for an electric heater and a corresponding electrical heater, wherein either a radiator alone is used or a plurality of radiators are used adjacent to each other to deliver the heat of one or more heating elements. LIST OF REFERENCE NUMBERS
1 Radiator 1 radiator
2 Hauptabschnitt  2 main section
4 Dichtung  4 seal
6 Litze  6 strand
8 PTC-Heizelement  8 PTC heating element
10 Isolierhülle  10 insulating cover
12 erste breite Seite  12 first broad side
14 zweite breite Seite  14 second wide side
16 schmale Seite  16 narrow side
18 Anlageelement  18 contact element
20 Anlagefläche  20 contact surface
22 Anlageelement  22 contact element
24 Anlagefläche  24 contact surface
22a durch weitere Nut unterbrochenes Anlageelement 22a interrupted by another groove contact element
24a durch weitere Nut unterbrochene Anlagefläche24a interrupted by another groove contact surface
26 Steg 26 footbridge
28 Nut  28 groove
28a weitere Nut  28a more groove
30 Schraubkanal  30 screw channel
32 Mittelebene  32 median plane
34 Befestigungsclip  34 fixing clip
36 Schraube  36 screw
38 Klemmblock  38 terminal block
40 Schraube  40 screw
42 Berührschutz  42 Touch protection
44 Lüftungsschlitz  44 ventilation slot
46 Tragabschnitt  46 supporting section
48 Schraube  48 screw
50 weiterer Radiator  50 more radiators
52 Klammer Zwischenstück Schulter Nocke 52 bracket Adapter shoulder cam
Längsstruktur longitudinal structure

Claims

Patentansprüche claims
1 . Radiatoranordnung mit zumindest einem Radiator (1 ), der zur Bildung eines 1 . Radiator arrangement with at least one radiator (1), which is used to form a
elektrischen Heizers in Wärme leitende Verbindung mit einem PTC-Heizelement (8) bringbar ist, dadurch gekennzeichnet, dass der Radiator (1 ) eine erste Gruppe von Anlageflächen (20) hat, an die ein weiterer im Wesentlichen baugleicher Radiator (50) ansetzbar und in Wärme leitende Verbindung bringbar ist.  electrical heater in heat conductive connection with a PTC heating element (8) can be brought, characterized in that the radiator (1) has a first group of contact surfaces (20) to which a further substantially identical radiator (50) attachable and in Heat conductive connection can be brought.
2. Radiatoranordnung nach Anspruch 1 , wobei der Radiator (1 ) ein Strangpressprofil ist. 2. radiator assembly according to claim 1, wherein the radiator (1) is an extruded profile.
3. Radiatoranordnung nach Anspruch 1 oder 2, wobei der Radiator (1 ) eine zweite Gruppe von Anlageflächen (24, 24a) aufweist, an die ein weiterer im Wesentlichen baugleicher Radiator (50) ansetzbar und in Wärme leitende Verbindung bringbar ist. 3. Radiator arrangement according to claim 1 or 2, wherein the radiator (1) has a second group of contact surfaces (24, 24a), to which a further substantially identical radiator (50) can be placed and brought into heat conductive connection.
4. Radiatoranordnung nach einem der vorhergehenden Ansprüche, wobei der Radiator (1 ) im Querschnitt einen etwa rechteckigen Außenrahmen hat. 4. Radiator arrangement according to one of the preceding claims, wherein the radiator (1) has an approximately rectangular outer frame in cross section.
5. Radiatoranordnung nach einem der vorhergehenden Ansprüche, wobei in einem entspannten Zustand des Radiators (1 ) die Anlageflächen (20, 24, 24a) einer Gruppe in ihrer Gesamtheit eine Wölbung nach außen aufweisen. 5. Radiator arrangement according to one of the preceding claims, wherein in a relaxed state of the radiator (1), the contact surfaces (20, 24, 24a) of a group in its entirety have a curvature to the outside.
6. Radiatoranordnung nach einem der vorhergehenden Ansprüche, wobei die Anlageflächen (20, 24, 24a) an jeweiligen flächigen streifenförmigen Anlageelementen (18, 22, 22a) angeordnet sind. 6. Radiator arrangement according to one of the preceding claims, wherein the contact surfaces (20, 24, 24 a) on respective flat strip-shaped contact elements (18, 22, 22 a) are arranged.
7. Radiatoranordnung nach Anspruch 6, wobei die Anlageelemente (18, 22) über einen jeweiligen Steg (26) an einem Hauptabschnitt (2) befestigt sind, in den das PTC-Heizelement (8) Wärme leitend einsetzbar ist. 7. radiator assembly according to claim 6, wherein the abutment elements (18, 22) via a respective web (26) on a main portion (2) are fixed, in which the PTC heating element (8) is heat conductively insertable.
8. Radiatoranordnung nach einem der vorhergehenden Ansprüche, wobei in einer schmalen Seite (16) oder in einer breiten Seite (12, 14) eine Nut (28, 28a) vor- gesehen ist, über die ein Berührschutz (42) oder ein Befestigungsclip (34) für den Radiator (1 ) oder den damit gebildeten Heizer an diesem befestigbar ist. 8. radiator arrangement according to one of the preceding claims, wherein in a narrow side (16) or in a wide side (12, 14) has a groove (28, 28 a) pre is seen, over which a contact protection (42) or a fastening clip (34) for the radiator (1) or the heater formed therewith can be fastened thereto.
9. Radiatoranordnung nach Anspruch 8 wobei zwischen dem Radiator (1 ) und dem Berührschutz (42) oder dem Befestigungsclip (34) ein Zwischenstück (54) vorgesehen ist, das als Verdrehsicherung und/oder als thermisches Isolierteil dient. 9. radiator assembly according to claim 8 wherein between the radiator (1) and the contact protection (42) or the mounting clip (34) an intermediate piece (54) is provided which serves as anti-rotation and / or as a thermal insulating part.
10. Radiatoranordnung nach Anspruch 8 oder 9, wobei die Nut (28) einen Nutgrund hat, über den ein Schraubkanal (30) gebildet ist, in den eine Schraube (40) entlang der Nut (28) einschraubbar ist. 10. radiator assembly according to claim 8 or 9, wherein the groove (28) has a groove bottom, via which a screw channel (30) is formed, into which a screw (40) along the groove (28) can be screwed.
1 1 . Radiatoranordnung nach einem der vorhergehenden Ansprüche, wobei der Radiator (1 ) symmetrisch zu einer Mittelebene (32) ist. 1 1. Radiator arrangement according to one of the preceding claims, wherein the radiator (1) is symmetrical to a median plane (32).
12. Heizer mit einer Radiatoranordnung nach einem der vorhergehenden Ansprüche, deren Radiatoren (1 , 50) über jeweilige Anlageflächen (20) in Wärme leitender Verbindung sind, wobei in zumindest einen der Radiatoren (1 ) ein PTC-Heiz- element (8) eingesetzt ist, so dass dieser Radiator (1 ) in direkter Wärme leitender Verbindung mit dem PTC-Heizelement (8) ist. 12. A heater with a radiator assembly according to any one of the preceding claims, the radiators (1, 50) via respective contact surfaces (20) in heat conductive connection, wherein in at least one of the radiators (1) a PTC heating element (8) used is, so that this radiator (1) in direct heat conductive connection with the PTC heating element (8).
13. Heizer nach Anspruch 12, wobei ein mittlerer Radiator (1 ) über beide Gruppen von Anlageflächen (20, 24, 24a) mit einem jeweiligen äußeren Radiator (50) in Wärme leitender Verbindung ist, und wobei in den mittleren Radiator (1 ) ein PTC- Heizelement (8) eingesetzt ist, so dass der mittlere Radiator (1 ) in direkter Wärme leitender Verbindung mit einem PTC-Heizelement (8) ist, oder wobei in die beiden äußeren Radiatoren jeweils ein PTC-Heizelement (8) eingesetzt ist, so dass diese beiden Radiatoren in direkter Wärme leitender Verbindung mit dem jeweiligen PTC-Heizelement (8) sind. 13. A heater according to claim 12, wherein a central radiator (1) via both groups of abutment surfaces (20, 24, 24 a) with a respective outer radiator (50) in heat conductive connection, and wherein in the middle radiator (1) a PTC heating element (8) is inserted, so that the middle radiator (1) is in direct heat-conducting connection with a PTC heating element (8), or wherein in each of the two outer radiators a PTC heating element (8) is inserted, so that these two radiators are in direct heat conducting connection with the respective PTC heating element (8).
14. Heizer nach Anspruch 12 oder 13, wobei mehr als drei Radiatoren über ihre Anlageflächen in Wärme leitender Verbindung sind. 14. Heater according to claim 12 or 13, wherein more than three radiators are on their contact surfaces in heat conductive connection.
15. Heizer nach einem der Ansprüche 12 bis 14 mit einer Radiatoranordnung nach Anspruch 6, wobei die äußeren Anlageelemente (18, 22) mittels Klammern (52) umgriffen und gegeneinander gespannt sind. 15. Heater according to one of claims 12 to 14 with a radiator assembly according to claim 6, wherein the outer contact elements (18, 22) by means of clamps (52) are embraced and clamped against each other.
16. Heizer nach einem der Ansprüche 12 bis 15, der als Rohrheizer ausgebildet ist, wobei an den Radiatoren (1 , 50) etwa kreissegmentformige Adapter vorgesehen sind. 16. Heater according to one of claims 12 to 15, which is designed as a tube heater, wherein on the radiators (1, 50) are provided approximately kreissegmentformige adapter.
17. Heizer nach einem der Ansprüche 12 bis 16 mit einem Lüfter. 17. Heater according to one of claims 12 to 16 with a fan.
EP16797946.7A 2015-11-20 2016-11-18 Radiator means for an electrical heater and electrical heater Active EP3378279B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015120183.6A DE102015120183A1 (en) 2015-11-20 2015-11-20 Radiator assembly for an electric heater and electric heater
PCT/EP2016/078161 WO2017085269A1 (en) 2015-11-20 2016-11-18 Radiator arrangement for an electric heater, and electric heater

Publications (2)

Publication Number Publication Date
EP3378279A1 true EP3378279A1 (en) 2018-09-26
EP3378279B1 EP3378279B1 (en) 2022-04-13

Family

ID=57345967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16797946.7A Active EP3378279B1 (en) 2015-11-20 2016-11-18 Radiator means for an electrical heater and electrical heater

Country Status (5)

Country Link
EP (1) EP3378279B1 (en)
DE (1) DE102015120183A1 (en)
ES (1) ES2913651T3 (en)
PL (1) PL3378279T3 (en)
WO (1) WO2017085269A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3582237A1 (en) * 2018-06-12 2019-12-18 Mahle International GmbH Ptc heating arrangement
TWD200403S (en) 2018-08-20 2019-10-21 德商斯泰格控股有限公司 Convector
DE102018124985B4 (en) 2018-10-10 2022-05-05 Stego-Holding Gmbh Temperature control device and system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735465A (en) * 1969-01-21 1973-05-29 Airco Inc Assembling apparatus for rolling and clamping a part to a tubular member
GB2076270B (en) * 1980-05-14 1984-08-30 Matsushita Electric Ind Co Ltd Electrical air-heating device
FR2580451A1 (en) * 1985-04-16 1986-10-17 Zaegel Held Sa Heating resistor.
ES2098394T3 (en) * 1992-06-23 1997-05-01 David & Baader Dbk Spezfab RADIATOR.
DE29710397U1 (en) * 1997-06-14 1997-08-14 Bayer, Joachim, 51503 Rösrath Hollow chamber profile heat sink for semiconductor components
DE29716405U1 (en) * 1997-09-12 1999-01-21 Inter-Mercador GmbH & Co. KG, Import Export, 28307 Bremen Heat transfer body and device, in particular for cooling electronic components
DE29906950U1 (en) 1999-04-19 2000-08-31 David + Baader - DBK - GmbH, 76870 Kandel Heated control cabinet and associated heating device
ITMI20021226A1 (en) * 2002-06-05 2003-12-05 Cebi Spa ELECTRIC HEATER WITH PTC ELEMENTS PARTICULARLY FOR VEHICLE CABIN AERATION SYSTEMS
CN1882200A (en) * 2005-06-16 2006-12-20 富准精密工业(深圳)有限公司 Heat-conductive module
US7725011B2 (en) * 2005-07-29 2010-05-25 Calorigen Usa Corp. Temperature exchanging element made by extrusion and incorporating an infrared radiation diffuser
DE102006018150B4 (en) * 2006-04-19 2008-01-24 Stego-Holding Gmbh heater
DE102010048593B4 (en) * 2010-10-18 2015-03-19 Eichenauer Heizelemente Gmbh & Co. Kg Modular heater

Also Published As

Publication number Publication date
DE102015120183A1 (en) 2017-05-24
EP3378279B1 (en) 2022-04-13
ES2913651T3 (en) 2022-06-03
WO2017085269A1 (en) 2017-05-26
PL3378279T3 (en) 2022-10-10

Similar Documents

Publication Publication Date Title
EP1061776B1 (en) Heating device specially made for heating air
EP1327834B1 (en) Radiating element for a heating apparatus
EP3273177B1 (en) Electric heating device
EP0379873B1 (en) Apparatus for heating gases
EP3079442B1 (en) Electrical heating device and frame for same
DE3042420C2 (en)
EP2337425A1 (en) Electric heating device and heating element of an electric heating device
EP1852878B2 (en) Power resistor module
EP0350528A1 (en) Radiator
DE2948592A1 (en) ELECTRIC RESISTANCE HEATING ELEMENT
WO2008122362A1 (en) Electric heater, particularly for automobiles
WO2017085269A1 (en) Radiator arrangement for an electric heater, and electric heater
EP0333906B1 (en) PTC heating resistor
DE19848169A1 (en) Heating driver's cabin of commercial vehicles rapidly
EP2145783B1 (en) Vehicle heater
EP1509730A1 (en) Heat exchanger, particularly for a heating or air conditioning unit in a motor vehicle
DE102011085982B4 (en) Heat sink system for an electrical device
DE102010033310B4 (en) Electric heating module with PTC element for the electrical heating of an air flow
DE202010011016U1 (en) Electric heating module with PTC element for the electrical heating of an air flow
EP3350852A1 (en) Housing arrangement for at least one battery cell
DE2845894A1 (en) Resistance cooking appts. heater with two resistance elements - which are held between two thermally conducting L=shaped profiles, and is esp. for coffee making machines
DE102008033140A1 (en) car heater
DE102006025320A1 (en) Heat exchanger, in particular for a heating or air conditioning system of a motor vehicle
DE20311068U1 (en) Braking resistance for electrical motors is in form of coil winding on a former set within a heat dissipating block of metal
EP1340637B1 (en) Heat exchange device

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20180619

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20201001

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20211026

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502016014779

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1484413

Country of ref document: AT

Kind code of ref document: T

Effective date: 20220515

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2913651

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20220603

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220816

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220713

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220714

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220713

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220813

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502016014779

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20221216

Year of fee payment: 7

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: PL

Payment date: 20221115

Year of fee payment: 7

26N No opposition filed

Effective date: 20230116

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230525

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20221130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20231122

Year of fee payment: 8

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1484413

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221118

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231123

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20221118

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20231123

Year of fee payment: 8

Ref country code: IT

Payment date: 20231130

Year of fee payment: 8

Ref country code: FR

Payment date: 20231122

Year of fee payment: 8

Ref country code: DE

Payment date: 20231026

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20161118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220413