EP3264004B1 - Attachment for heat dissipation for a radiator - Google Patents
Attachment for heat dissipation for a radiator Download PDFInfo
- Publication number
- EP3264004B1 EP3264004B1 EP17177975.4A EP17177975A EP3264004B1 EP 3264004 B1 EP3264004 B1 EP 3264004B1 EP 17177975 A EP17177975 A EP 17177975A EP 3264004 B1 EP3264004 B1 EP 3264004B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- heating system
- electrical heating
- hollow body
- contact body
- 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.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title description 8
- 238000010438 heat treatment Methods 0.000 claims description 40
- 239000011324 bead Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 238000005338 heat storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/06—Casings, cover lids or ornamental panels, for radiators
- F24D19/067—Front coverings attached to the radiator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/002—Air heaters using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/20—Heat consumers
- F24D2220/2009—Radiators
- F24D2220/2036—Electric radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/20—Heat consumers
- F24D2220/2009—Radiators
- F24D2220/2054—Panel radiators with or without extended convection surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
Definitions
- the invention relates to an electrical heater comprising a radiator and an attachment for heat dissipation according to the preamble of claim 1.
- an electrical heater is, for example, from FR 2 831 651 A1 known.
- Electric heaters generate heat using electrical power.
- the current flows through a heating element that creates an electrical resistance. This causes the heating element to heat up.
- the heating element is enclosed by a heat storage plate in which the heat energy spreads so that the heat energy can be emitted largely uniformly from the heat storage plate.
- the heat storage plate and the heating element embedded therein form a heating element.
- the heat storage plate is encased in a metal cladding through which the thermal energy is emitted as efficiently as possible.
- the metal cladding also serves as a decorative element for a visually appealing design of the electric heater.
- radiators Different design variants for radiators are known from the prior art so that they can give off their heat to the environment as efficiently as possible.
- the rib construction In the case of radiators through which water flows, the rib construction is known. This increases the surface of the radiator. Air flowing between the fins dissipates the heat. This process of Heat dissipation is known as convection and, in addition to the radiation of heat, makes the essential contribution to the warming of the environment.
- radiators through which water flows
- heat-carrying pipes or ribs are hidden behind a plate.
- This design is often desired for aesthetic reasons, since the radiator is given a flat outside here.
- the surface of the plate can have indentations for better dissipation of heat. This increases their surface area, which allows better heat dissipation.
- Cladding elements are known from the prior art, which enable a convection effect, as for example in DE 697 32 269 T2 is described.
- convection elements are applied to a radiator.
- the disadvantage of such a convection element is on the one hand that it is not aesthetically advantageous since it does not form a flat surface for the viewer.
- Another disadvantage is that such a convection element can cause annoying crackling noises. This is due to the fact that the essay is at a heating of the radiator expands, wherein the temperature-related expansions of the attachment and the radiator do not match and thus compensate for tensions of the attachment that build up relative to the radiator jerkily and with the generation of cracking noises.
- German utility model DE 20 2015 100 784 U1 discloses a device for covering a radiator and for hanging a water container.
- the disadvantage of this device is that it connects the cladding over the top of the radiator. Furthermore, this device is not designed to produce or support a convection effect.
- German utility model DE 299 13 773 U1 discloses a system for covering radiators by means of exchangeable flat covering elements.
- This system is designed for ribbed radiators.
- the cladding elements are either attached directly to the heating ribs using adhesive strips or attached to them with the aid of a suspension device.
- This system is not suitable or intended to support a convection effect, because this is already made possible here by means of the heating ribs.
- the object of the present invention is therefore to provide an attachment for heat dissipation which produces a convection effect, the attachment being prevented from cracking during operation.
- an electrical heater with the features of claim 1.
- This includes inter alia an attachment for heat dissipation for radiators comprising a contact body with a contact surface for establishing a connection with a heating body and a hollow body with an outer surface which can be connected to the contact body, the contact body and the hollow body forming at least one cavity when they are connected to one another.
- Air can flow through the cavity created. This is heated by the radiator. The heated air flows out of the space and warms the area around the radiator. Heat is also given off through the outer surface of the hollow body in the form of thermal radiation.
- the attachment of the radiator is fixed via the contact body.
- the contact body can have flat areas in which the contact body is glued, soldered or welded to the heating body. Since the hollow body can be subsequently attached to the contact body and fixed to form a cavity in the attachment, the contact body is freely accessible while it is being fixed to the heating body. This is particularly advantageous, for example, when an attachment made of metal or aluminum is to be fixed on a radiator with an outer side made of aluminum, which is possible with conventional welding machines in the configuration of the attachment according to the invention.
- the design of the outer surface of the hollow body can be largely independent of the shape of the heating body and also be predetermined by the shape of the contact body. For example, decorative or aesthetic aspects can be decisive for the shaping of the outer surface. It is also possible that the outer surface is designed and optimized according to energy-efficient standards.
- the outer surface is preferably flat. A flat outer surface is easy to clean and also advantageous from an aesthetic point of view. According to an alternative embodiment, the outer surface can be ribbed. For this purpose, their surface is enlarged, which leads to improved heat dissipation. So that a connection can be established between the contact surface and the radiator, the contact surface should be flat and thus adapt to the flat surface of the radiator. If the heating element has a surface with a different geometry, the contact surface can also be designed accordingly.
- the hollow body and the contact body are preferably connected to one another by at least one connecting element.
- Different connecting elements are conceivable here.
- the hollow body and the contact body can be connected to one another by means of only one connecting element.
- the hollow body and the contact body can for example be glued, screwed, tacked, latched, riveted, soldered or welded together.
- At least one connecting element extends from the side of the contact body which is opposite the contact surface.
- at least one further connecting element extends from the side of the hollow body which is opposite the outer surface.
- the connecting elements of both the contact body and the hollow body are designed to connect the contact body and the hollow body to one another. They can enter into a connection with other connecting elements as well as with contact and hollow bodies.
- the connecting elements assigned to one another can, for example, have formations and recesses which can be brought into engagement with one another in a form-fitting manner. It is also possible to provide locking tongues on the protruding connecting elements or to design the protruding connecting elements as locking tongues.
- two connecting elements each extend from the contact body and the hollow body, these being designed as connecting ribs.
- the connecting ribs are elongated elements that run along the contact body and the hollow body.
- the at least two connecting ribs of the hollow body are aligned parallel to one another. It is also preferred if the at least two connecting ribs of the contact body are aligned parallel to one another.
- the distance between the connecting ribs should be designed so that the connection ribs that extend out of the contact body can come into connection with the connection ribs that extend out of the hollow body. Thus, the two elements can only be connected via the connecting ribs.
- At least one bead can be made in the contact surface.
- the at least one bead can be designed in such a way that it forms a protuberance on the side of the contact body which is opposite to the contact surface. Such a bead can prevent cracking, because it divides an area into two smaller areas. The bead absorbs the resulting deformation forces and the surfaces can move towards each other.
- additional heat fins can be provided. According to a preferred embodiment, these extend out of the side of the hollow body which is opposite to the outer surface.
- the length of the heat fins can be designed so that their ends touch the contact surface when the contact body and hollow body are connected to one another. In this case, the heat fins subdivide the cavity between the contact body and the cavity into several smaller cavities. However, the heat fins can also be made shorter so that they do not touch the contact surface.
- the contact body can be releasably connected to the hollow body.
- Different types of connection are conceivable for the connection between the contact body and the hollow body. It can be like that the releasable connection can be a snap-in connection, a connection by contact pressure, a plug connection, a clamp connection, a tongue and groove connection, a dovetail connection or a screw connection.
- the contact body can be permanently connected to the hollow body.
- a permanent connection can be designed, for example, as a welded connection, soldered connection, riveted connection or adhesive connection.
- the contact body can be made of aluminum. According to another embodiment, however, the hollow body can also be made of cast iron, a metal alloy or some other heat-conducting material.
- the contact body is preferably made of the same material as the heating body. This ensures that the contact body resting on the heating element has the same coefficient of expansion as the wall of the heating element. This minimizes unwanted clicking noises.
- the hollow body can be made of aluminum. According to another embodiment, however, the hollow body can also be made of cast iron, a metal alloy or some other heat-conducting material.
- the hollow body is preferably made of the same material as the heating body.
- the hollow body can be made of a material that differs from the material of the contact body.
- the radiator of the electric heater has a flat surface. This is firmly connected to the contact surface of the contact body. This connection is a welded connection or a soldered or glued connection. According to one possible embodiment, the surface of the heating element and the contact surface of the contact element can consist of the same material.
- Fig. 1 shows a possible embodiment of the attachment (1) according to the invention in a perspective view, only one end face and an adjoining short section of the attachment (1) being shown.
- the attachment (1) consists on the one hand of a contact body (2) with a contact surface (3).
- the contact surface (3) is flat and is intended to provide the contact body (2) with a flat outer side only in Fig. 2 indicated radiator (12) to connect.
- In the contact body there is a bead (4) which divides the contact surface (3).
- the attachment (1) also consists of a hollow body (5) with an outer surface (6). In the embodiment shown, the hollow body (5) has three heat fins (7).
- the contact body (2) and the hollow body (5) are connected to one another by means of connecting elements (8, 9) which are designed as connecting ribs.
- the connecting ribs have interlocking hooks (10) which enable a detachable connection.
- a cavity (11) through which air can flow is formed between the hollow body (5) and the contact body (2).
- the cavity (11) is divided into several chambers by the heat fins (7), in which air heated by the heating element (12) can flow in the longitudinal direction of the attachment (1).
- Fig. 2 shows an embodiment of an electrical heater according to the invention, wherein several strip-shaped attachments (1) are arranged on the heating element (12).
- five contact bodies (2) are applied to the rectangular flat heating element (12) of the electrical heater.
- the contact bodies (2) have an embodiment according to Fig. 1 each via a bead (4) and via two connecting elements (8, 9), which are designed as connecting ribs.
- the contact bodies (2) are each fixed to the heating body (12) along the strip-shaped extension of the contact body (2) via several welding points (13). welded. Since the assigned hollow body (5) was not yet arranged on the contact body (2), the weld points (13) were freely accessible so that the weld points (13) can be produced quickly and inexpensively with a welding robot, for example.
- each contact body (2) is applied to each contact body (2) and connected to the assigned contact body (2) via the connecting elements (8, 9).
- the five strip-shaped attachments (1) are arranged next to one another on the radiator (12) with almost no gaps.
- the outer surfaces (6) of the strip-shaped attachments (1) form an essentially flat and continuous outer surface for the heating element (12).
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Description
Die Erfindung betrifft eine elektrische Heizung umfassend einen Heizkörper und einen Aufsatz zur Wärmeabfuhr gemäß dem Oberbegriff des Anspruchs 1. Eine solche elektrische Heizung ist beispielsweise aus
Elektroheizungen erzeugen Wärme mittels elektrischen Stroms. Dabei fließt der Strom durch ein Heizelement, das einen elektrischen Widerstand bildet. Dadurch erhitzt sich das Heizelement. Bei den aus der Praxis bekannten Elektroheizungen ist das Heizelement von einer Wärmespeicherplatte umschlossen, in der sich die Wärmeenergie ausbreitet, so dass die Wärmeenergie von der Wärmespeicherplatte weitgehend gleichmäßig abgegeben werden kann. Die Wärmespeicherplatte und das darin eingebettete Heizelement bilden einen Heizkörper. Die Wärmespeicherplatte ist von einer Metallverkleidung umhüllt, durch welche die Wärmeenergie möglichst effizient abgegeben wird. Zudem dient die Metallverkleidung auch als dekoratives Element für eine optisch ansprechende Ausgestaltung der Elektroheizung.Electric heaters generate heat using electrical power. The current flows through a heating element that creates an electrical resistance. This causes the heating element to heat up. In the case of the electric heaters known from practice, the heating element is enclosed by a heat storage plate in which the heat energy spreads so that the heat energy can be emitted largely uniformly from the heat storage plate. The heat storage plate and the heating element embedded therein form a heating element. The heat storage plate is encased in a metal cladding through which the thermal energy is emitted as efficiently as possible. In addition, the metal cladding also serves as a decorative element for a visually appealing design of the electric heater.
Aus dem Stand der Technik sind unterschiedliche Ausgestaltungsvarianten für Heizkörper bekannt, damit diese ihre Wärme möglichst effizient an die Umgebung abgeben können. Bei wasserdurchflossenen Heizkörpern ist hierzu die Rippenbauweise bekannt. Hierdurch wird die Oberfläche des Heizkörpers vergrößert. Luft, die zwischen den Rippen hindurchströmt, führt die Wärme ab. Dieser Vorgang der Wärmeabfuhr wird als Konvektion bezeichnet und bildet neben der Abstrahlung von Wärme den wesentlichen Beitrag für die Erwärmung der Umgebung.Different design variants for radiators are known from the prior art so that they can give off their heat to the environment as efficiently as possible. In the case of radiators through which water flows, the rib construction is known. This increases the surface of the radiator. Air flowing between the fins dissipates the heat. This process of Heat dissipation is known as convection and, in addition to the radiation of heat, makes the essential contribution to the warming of the environment.
Bei wasserdurchflossenen Heizkörpern ist zusätzlich die Bauweise als Plattenheizkörper gängig. Hierbei werden wärmeführende Rohre oder Rippen hinter einer Platte verborgen. Diese Bauform ist häufig aus ästhetischen Gründen gewünscht, da der Heizkörper hier eine flache Außenseite erhält. Zur besseren Abgabe von Wärme kann die Oberfläche der Platte Einbuchtungen ausweisen. Hierdurch wird deren Oberfläche vergrößert, was eine bessere Wärmeabgabe erlaubt.In the case of radiators through which water flows, the construction of panel radiators is also common. Here, heat-carrying pipes or ribs are hidden behind a plate. This design is often desired for aesthetic reasons, since the radiator is given a flat outside here. The surface of the plate can have indentations for better dissipation of heat. This increases their surface area, which allows better heat dissipation.
Bei Elektroheizungen ist eine Bauweise mit Luftdurchfluss in der Regel nicht vorgesehen, denn die Wärme der Wärmeheizplatten wird direkt an die Oberfläche des Heizkörpers abgegeben. Deshalb sind die Oberflächen von Elektroheizungen häufig mit besonders tiefen Ausbuchtungen versehen, um deren Oberflächen zu vergrößern und eine Konvektionswirkung zu ermöglichen.In the case of electric heaters, a construction with air flow is usually not provided, because the heat from the heating plates is given off directly to the surface of the radiator. For this reason, the surfaces of electrical heating systems are often provided with particularly deep bulges in order to enlarge their surfaces and to enable a convection effect.
Aus dem Stand der Technik sind Verkleidungselemente bekannt, welche einen Konvektionseffekt ermöglichen, wie es beispielsweise in
Die deutsche Gebrauchsmusterschrift
Die deutsche Gebrauchsmusterschrift
Die Aufgabe der vorliegenden Erfindung ist es deshalb, einen Aufsatz zur Wärmeabfuhr bereitzustellen, der einen Konvektionseffekt herstellt, wobei ein Knacken des Aufsatzes während des Betriebs vermieden wird.The object of the present invention is therefore to provide an attachment for heat dissipation which produces a convection effect, the attachment being prevented from cracking during operation.
Die Aufgabe wird gelöst durch eine elektrische Heizung mit den Merkmalen des Anspruchs 1. Diese umfasst u.a. einen Aufsatz zur Wärmeabfuhr für Heizkörper umfassend einen Kontaktkörper mit einer Kontaktfläche zur Herstellung einer Verbindung mit einem Heizkörper und einen Hohlkörper mit einer Außenfläche, der mit dem Kontaktkörper verbindbar ist, wobei der Kontaktkörper und der Hohlkörper mindestens einen Hohlraum bilden, wenn sie miteinander verbunden sind.The object is achieved by an electrical heater with the features of
Durch den entstandenen Hohlraum kann Luft strömen. Diese wird durch den Heizkörper erwärmt. Die erwärmte Luft strömt aus dem Zwischenraum heraus und erwärmt die Umgebung des Heizkörpers. Wärme wird ferner durch die Außenfläche des Hohlkörpers in Form von Wärmestrahlung abgegeben.Air can flow through the cavity created. This is heated by the radiator. The heated air flows out of the space and warms the area around the radiator. Heat is also given off through the outer surface of the hollow body in the form of thermal radiation.
Die Festlegung des Aufsatzes an dem Heizkörper erfolgt über den Kontaktkörper. Der Kontaktkörper kann ebene Bereiche aufweisen, in denen der Kontaktkörper mit dem Heizkörper verklebt, verlötet oder verschweißt wird. Da der Hohlkörper zur Bildung eines Hohlraums in dem Aufsatz nachträglich an dem Kontaktkörper angebracht und festgelegt werden kann, ist der Kontaktkörper während seiner Festlegung an dem Heizkörper frei zugänglich. Dies ist beispielsweise dann besonders vorteilhaft, wenn ein Aufsatz aus Metall bzw. aus Aluminium auf einem Heizkörper mit einer Außenseite aus Aluminium festgelegt werden soll, was bei der erfindungsgemäßen Ausgestaltung des Aufsatzes mit üblichen Schweißmaschinen möglich ist.The attachment of the radiator is fixed via the contact body. The contact body can have flat areas in which the contact body is glued, soldered or welded to the heating body. Since the hollow body can be subsequently attached to the contact body and fixed to form a cavity in the attachment, the contact body is freely accessible while it is being fixed to the heating body. This is particularly advantageous, for example, when an attachment made of metal or aluminum is to be fixed on a radiator with an outer side made of aluminum, which is possible with conventional welding machines in the configuration of the attachment according to the invention.
Die Gestaltung der Außenfläche des Hohlkörpers kann weitgehend unabhängig von der Formgebung des Heizkörpers und auch von der Formgebung des Kontaktkörpers vorgegeben sein. So können beispielsweise dekorative, bzw. ästhetische Aspekte für die Formgebung der Außenfläche maßgeblich sein. Es ist auch möglich, dass die Außenfläche nach energieeffizienten Maßstäben gestaltet und optimiert ist. Vorzugsweise ist die Außenfläche eben ausgebildet. Eine eben ausgebildete Außenfläche ist leicht zu Reinigen und auch aus ästhetischen Betrachtungspunkten vorteilhaft. Gemäß einer alternativen Ausführungsform kann die Außenfläche gerippt sein. Hierzu wird deren Oberfläche vergrößert, was zu einer verbesserten Wärmeabfuhr führt. Damit eine Verbindung zwischen Kontaktfläche und Heizkörper hergestellt werden kann, sollte die Kontaktfläche eben ausgebildet sein und sich somit der flachen Oberfläche des Heizkörpers anpassen. Besitzt der Heizkörper eine Oberfläche abweichender Geometrie, so kann auch die Kontaktfläche dementsprechend ausgebildet sein.The design of the outer surface of the hollow body can be largely independent of the shape of the heating body and also be predetermined by the shape of the contact body. For example, decorative or aesthetic aspects can be decisive for the shaping of the outer surface. It is also possible that the outer surface is designed and optimized according to energy-efficient standards. The outer surface is preferably flat. A flat outer surface is easy to clean and also advantageous from an aesthetic point of view. According to an alternative embodiment, the outer surface can be ribbed. For this purpose, their surface is enlarged, which leads to improved heat dissipation. So that a connection can be established between the contact surface and the radiator, the contact surface should be flat and thus adapt to the flat surface of the radiator. If the heating element has a surface with a different geometry, the contact surface can also be designed accordingly.
Der Hohlkörper und der Kontaktkörper sind vorzugsweise durch mindestens ein Verbindungselement miteinander verbunden. Hierbei sind unterschiedliche Verbindungselemente denkbar. Gemäß einer einfachen Ausführungsform können Hohlkörper und Kontaktkörper mittels lediglich eines Verbindungselements miteinander verbunden sein. Der Hohlkörper und der Kontaktkörper können beispielsweise miteinander verklebt, verschraubt, verheftet, verrastet, vernietet, verlötet oder verschweißt sein.The hollow body and the contact body are preferably connected to one another by at least one connecting element. Different connecting elements are conceivable here. According to a simple embodiment, the hollow body and the contact body can be connected to one another by means of only one connecting element. The hollow body and the contact body can for example be glued, screwed, tacked, latched, riveted, soldered or welded together.
Gemäß einer möglichen Ausführungsform erstreckt sich aus der Seite des Kontaktkörpers, die der Kontaktfläche entgegengesetzt ist, mindestens ein Verbindungselement. Ebenso erstreckt sich aus der Seite des Hohlkörpers, die der Außenfläche entgegengesetzt ist, mindestens ein weiteres Verbindungselement. Die Verbindungselemente von sowohl Kontaktkörper als auch Hohlkörper sind dazu eingerichtet, Kontakt- und Hohlkörper miteinander zu verbinden. Dabei können sie sowohl mit anderen Verbindungselementen als auch mit Kontakt- und Hohlkörper eine Verbindung eingehen. Zu diesem Zweck können die einander zugeordneten Verbindungselemente beispielsweise Ausformungen und Ausnehmungen aufweisen, die formschlüssig miteinander in Eingriff gebracht werden können. Es ist ebenfalls möglich, an den vorspringenden Verbindungselementen Rastzungen vorzusehen oder die vorspringenden Verbindungselemente als Rastzungen auszugestalten.According to one possible embodiment, at least one connecting element extends from the side of the contact body which is opposite the contact surface. Likewise, at least one further connecting element extends from the side of the hollow body which is opposite the outer surface. The connecting elements of both the contact body and the hollow body are designed to connect the contact body and the hollow body to one another. They can enter into a connection with other connecting elements as well as with contact and hollow bodies. For this purpose, the connecting elements assigned to one another can, for example, have formations and recesses which can be brought into engagement with one another in a form-fitting manner. It is also possible to provide locking tongues on the protruding connecting elements or to design the protruding connecting elements as locking tongues.
Gemäß einer besonders bevorzugten Ausführungsform erstrecken sich aus dem Kontaktkörper und dem Hohlkörper jeweils zwei Verbindungselemente, wobei diese als Verbindungsrippen ausgeführt sind. Die Verbindungsrippen sind längliche Elemente, die entlang des Kontaktkörpers und des Hohlkörpers verlaufen.According to a particularly preferred embodiment, two connecting elements each extend from the contact body and the hollow body, these being designed as connecting ribs. The connecting ribs are elongated elements that run along the contact body and the hollow body.
Es ist bevorzugt vorgesehen, dass die mindestens zwei Verbindungsrippen des Hohlkörpers parallel zueinander ausgerichtet sind. Ebenso ist es bevorzugt, wenn die mindestens zwei Verbindungsrippen des Kontaktkörpers parallel zueinander ausgerichtet sind. Der Abstand der Verbindungsrippen zueinander sollte so ausgelegt sein, dass die Verbindungsrippen, die sich aus dem Kontaktkörper erstrecken, mit den Verbindungsrippen, die sich aus dem Hohlkörper erstrecken, in Verbindung kommen können. Somit ist ein Zusammenschluss der beiden Elemente lediglich über die Verbindungsrippen möglich.It is preferably provided that the at least two connecting ribs of the hollow body are aligned parallel to one another. It is also preferred if the at least two connecting ribs of the contact body are aligned parallel to one another. The distance between the connecting ribs should be designed so that the connection ribs that extend out of the contact body can come into connection with the connection ribs that extend out of the hollow body. Thus, the two elements can only be connected via the connecting ribs.
In die Kontaktfläche kann mindestens eine Sicke eingebracht sein. Die mindestens eine Sicke kann so ausgebildet sein, dass sie eine Ausstülpung auf der Seite des Kontaktkörpers bildet, die der Kontaktfläche entgegengesetzt ist. Eine solche Sicke kann einem Knacken vorbeugen, denn durch sie wird eine Fläche in zwei kleinere Flächen unterteilt. Die Sicke nimmt die entstehenden Verformungskräfte auf und die Flächen können sich zueinander bewegen.At least one bead can be made in the contact surface. The at least one bead can be designed in such a way that it forms a protuberance on the side of the contact body which is opposite to the contact surface. Such a bead can prevent cracking, because it divides an area into two smaller areas. The bead absorbs the resulting deformation forces and the surfaces can move towards each other.
Um eine bessere Konvektionswirkung zu erreichen, können zusätzlich Wärmerippen vorgesehen sein. Gemäß einer bevorzugten Ausführungsform erstrecken sich diese aus der Seite des Hohlkörpers, die der Außenfläche entgegengesetzt ist. Die Länge der Wärmerippen kann so ausgelegt sein, dass sie mit ihren Enden die Kontaktfläche berühren, wenn Kontaktkörper und Hohlkörper miteinander verbunden sind. In diesem Fall unterteilen die Wärmerippen den Hohlraum zwischen Kontaktkörper und Hohlraum in mehrere kleinere Hohlräume. Die Wärmerippen können jedoch auch kürzer ausgeführt sein, sodass sie die Kontaktfläche nicht berühren.In order to achieve a better convection effect, additional heat fins can be provided. According to a preferred embodiment, these extend out of the side of the hollow body which is opposite to the outer surface. The length of the heat fins can be designed so that their ends touch the contact surface when the contact body and hollow body are connected to one another. In this case, the heat fins subdivide the cavity between the contact body and the cavity into several smaller cavities. However, the heat fins can also be made shorter so that they do not touch the contact surface.
Gemäß einer besonderen Ausführungsform kann der Kontaktkörper mit dem Hohlkörper lösbar verbunden sein. Zur Verbindung zwischen Kontaktkörper und Hohlkörper sind unterschiedliche Verbindungsarten denkbar. So kann es sich bei der lösbaren Verbindung um eine Rastverbindung, eine Verbindung durch Anpressdruck, eine Steckverbindung, eine Klemmverbindung, eine Nut-Feder-Verbindung, eine Schwalbenschwanzverbindung oder eine Schraubverbindung handeln.According to a particular embodiment, the contact body can be releasably connected to the hollow body. Different types of connection are conceivable for the connection between the contact body and the hollow body. It can be like that the releasable connection can be a snap-in connection, a connection by contact pressure, a plug connection, a clamp connection, a tongue and groove connection, a dovetail connection or a screw connection.
Alternativ kann jedoch der Kontaktkörper mit dem Hohlkörper dauerhaft verbunden sein. Eine dauerhafte Verbindung kann beispielsweise als Schweißverbindung, Lötverbindung, Nietverbindung oder Klebverbindung ausgeführt sein.Alternatively, however, the contact body can be permanently connected to the hollow body. A permanent connection can be designed, for example, as a welded connection, soldered connection, riveted connection or adhesive connection.
Der Kontaktkörper kann aus Aluminium gefertigt sein. Gemäß einer anderen Ausführungsform kann der Hohlkörper jedoch auch aus Gusseisen, einer Metalllegierung oder einem sonstigen wärmeleitenden Material gefertigt sein. Vorzugsweise ist der Kontaktkörper aus dem gleichen Material ausgebildet wie der Heizkörper. So ist sichergestellt, dass der auf dem Heizkörper aufliegende Kontaktkörper den gleichen Ausdehnungskoeffizienten besitzt wie die Wandung des Heizkörpers. Dies minimiert unerwünschte Knackgeräusche.The contact body can be made of aluminum. According to another embodiment, however, the hollow body can also be made of cast iron, a metal alloy or some other heat-conducting material. The contact body is preferably made of the same material as the heating body. This ensures that the contact body resting on the heating element has the same coefficient of expansion as the wall of the heating element. This minimizes unwanted clicking noises.
Der Hohlkörper kann aus Aluminium gefertigt sein. Gemäß einer anderen Ausführungsform kann der Hohlkörper jedoch auch aus Gusseisen, einer Metalllegierung oder einem sonstigen wärmeleitenden Material gefertigt sein. Vorzugsweise ist der Hohlkörper aus dem gleichen Material ausgebildet wie der Heizkörper. Der Hohlkörper kann aus einem Material ausgeführt sein, das sich vom Material des Kontaktkörpers unterscheidet.The hollow body can be made of aluminum. According to another embodiment, however, the hollow body can also be made of cast iron, a metal alloy or some other heat-conducting material. The hollow body is preferably made of the same material as the heating body. The hollow body can be made of a material that differs from the material of the contact body.
Der Heizkörper der elektrischen Heizung besitzt erfindungsgemäß eine flache Oberfläche. Diese ist fest mit der Kontaktfläche des Kontaktkörpers verbunden. Diese Verbindung ist eine Schweißverbindung, oder eine Löt- oder Klebverbindung. Die Oberfläche des Heizkörpers und die Kontaktfläche des Kontaktkörpers können gemäß einer möglichen Ausführungsform aus demselben Material bestehen.According to the invention, the radiator of the electric heater has a flat surface. This is firmly connected to the contact surface of the contact body. This connection is a welded connection or a soldered or glued connection. According to one possible embodiment, the surface of the heating element and the contact surface of the contact element can consist of the same material.
Die Erfindung ist anhand eines exemplarischen Ausführungsbeispiels in den Zeichnungen näher erläutert. Es zeigt:
-
Fig. 1 eine mögliche Ausführungsform des erfindungsgemäßen Aufsatzes in einer Schnittsansicht, und -
Fig. 2 eine elektrischen Heizung, auf welcher mehrere erfindungsgemäße Aufsätze festgelegt sind.
-
Fig. 1 a possible embodiment of the attachment according to the invention in a sectional view, and -
Fig. 2 an electric heater on which several articles according to the invention are fixed.
Der Kontaktkörper (2) und der Hohlkörper (5) sind mittels Verbindungselementen (8, 9), die als Verbindungsrippen ausgeführt sind, miteinander verbunden. Die Verbindungsrippen weisen ineinander eingreifende Rasthaken (10) auf, die eine lösbare Verbindung ermöglichen. Zwischen dem Hohlkörper (5) und dem Kontaktkörper (2) wird ein Hohlraum (11) gebildet, durch den Luft hindurchströmen kann. Der Hohlraum (11) wird durch die Wärmerippen (7) in mehrere Kammern unterteilt, in denen von dem Heizkörper (12) erwärmte Luft in Längsrichtung des Aufsatzes (1) hindurchströmen kann.The contact body (2) and the hollow body (5) are connected to one another by means of connecting elements (8, 9) which are designed as connecting ribs. The connecting ribs have interlocking hooks (10) which enable a detachable connection. A cavity (11) through which air can flow is formed between the hollow body (5) and the contact body (2). The cavity (11) is divided into several chambers by the heat fins (7), in which air heated by the heating element (12) can flow in the longitudinal direction of the attachment (1).
- 1. Aufsatz zur Wärmeabfuhr1. Attachment for heat dissipation
- 2. Kontaktkörper2. Contact body
- 3. Kontaktfläche3. Contact area
- 4. Sicke4. bead
- 5. Hohlkörper5. Hollow body
- 6. Außenfläche6. External surface
- 7. Wärmerippe7. Heat rib
- 8. Verbindungselement8. Connector
- 9. Verbindungselement9. Connector
- 10. Rasthaken10. Snap hook
- 11. Hohlraum11. Cavity
- 12. Heizkörper12. Radiator
- 13. Schweißpunkte13. Spot welds
Claims (15)
- Electrical heating system comprising a heater (12) and an attachment (1) for dissipating heat, wherein the attachment (1) comprises a contact body (2) and also a hollow body (5), with an outer face (6), which is connected to the contact body (2), wherein the contact body (2) and the hollow body (5) form at least one cavity (11), wherein the contact body (2) of the attachment (1) comprises a contact face (3) for producing a connection to the heater (12), and the attachment (1) for dissipating heat by way of the contact surface (3) of the contact body (2) is connected fixedly to the heater (12), characterised in that the contact face of the contact body (2) is connected by a welded connection, by a soldered connection or by an adhesive connection to a flat surface of the heater (12) .
- Electrical heating system according to Claim 1, characterised in that the surface of the heater (12) and the contact face (3) of the contact body (2) consist of the same material.
- Electrical heating system according to Claim 1 or Claim 2, characterised in that the contact body (2) and the hollow body (5) are connected to one another by at least one connecting element (8, 9).
- Electrical heating system according to Claim 4, characterised in that at least one connecting element (8) extends from that side of the contact body (2) which is opposed to the contact face (3), and in that at least one connecting element (9) extends from that side of the hollow body (5) which is opposed to the outer face (6), the connecting elements (8, 9) being set up to connect the contact body (2) and the hollow body (5) to one another.
- Electrical heating system according to Claim 4, characterised in that in each case at least two connecting elements (8, 9) extend from the contact body (2) and the hollow body (5), which connecting elements are configured as connecting ribs.
- Electrical heating system according to Claim 5, characterised in that the in each case at least two connecting ribs of the contact body (2) and of the hollow body (5) are oriented parallel to one another.
- Electrical heating system according to one of the preceding claims, characterised in that at least one bead (4) is introduced into the contact face (3).
- Electrical heating system according to Claim 7, characterised in that the bead (4) forms a protuberance on that side of the contact body (2) which is opposed to the contact face (3).
- Electrical heating system according to one of the preceding claims, characterised in that at least one heat rib (7) extends from that side of the hollow body (5) which is opposed to the outer face (6).
- Electrical heating system according to one of the preceding claims, characterised in that the contact body (2) is detachably connected to the hollow body (5).
- Electrical heating system according to one of Claims 1 to 9, characterised in that the contact body (2) is permanently connected to the hollow body (5).
- Electrical heating system according to one of the preceding claims, characterised in that the outer face (6) is formed flat.
- Electrical heating system according to one of Claims 1 to 11, characterised in that the outer face (6) is ribbed.
- Electrical heating system according to one of the preceding claims, characterised in that the contact face (3) is formed flat.
- Electrical heating system according to one of the preceding claims, characterised in that the hollow body (5) and/or the contact body (2) consist(s) of aluminium, of cast iron or of a metal alloy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17177975T PL3264004T3 (en) | 2016-06-27 | 2017-06-26 | Attachment for heat dissipation for a radiator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016111759.5A DE102016111759A1 (en) | 2016-06-27 | 2016-06-27 | Attachment for heat dissipation for a radiator |
Publications (2)
Publication Number | Publication Date |
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EP3264004A1 EP3264004A1 (en) | 2018-01-03 |
EP3264004B1 true EP3264004B1 (en) | 2020-12-09 |
Family
ID=59239824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17177975.4A Active EP3264004B1 (en) | 2016-06-27 | 2017-06-26 | Attachment for heat dissipation for a radiator |
Country Status (3)
Country | Link |
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EP (1) | EP3264004B1 (en) |
DE (1) | DE102016111759A1 (en) |
PL (1) | PL3264004T3 (en) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH218602A (en) * | 1940-09-16 | 1941-12-31 | Monopol Tresor A G | Transportable, electrically heated radiator. |
FR2085165B1 (en) * | 1969-12-05 | 1973-12-21 | Atar | |
DD132079A1 (en) * | 1977-07-15 | 1978-08-23 | Rentsch Hans Dieter | RADIANT PLATE HEATING OR COOLING WITH MECHANICAL VENTILATION |
DE3839514A1 (en) * | 1988-11-23 | 1990-05-31 | Dante Ferroli | Radiator, in particular a panel-type radiator, and method for producing it |
FR2690807B1 (en) * | 1992-04-29 | 1999-01-15 | Seb Sa | HEATING DEVICE, ESPECIALLY TOWEL DRYER, WITH ELECTRIC HEATING CORD. |
DE19617718A1 (en) * | 1996-04-24 | 1997-10-30 | Uwe Klix | Ceiling radiator |
GB9612436D0 (en) | 1996-06-14 | 1996-08-14 | Caradon Heating Europ Bv | Panel radiators |
DE29708036U1 (en) * | 1997-05-06 | 1997-07-10 | Emmerich, Franz-Josef, 66679 Losheim | Radiant heater for "controllable" air conditioning (heating / cooling) |
DE29913773U1 (en) | 1999-08-06 | 1999-12-02 | Bsw Bayerische Stahlgeschirr W | System for covering radiators using interchangeable flat covering elements |
FR2831651A1 (en) * | 2001-10-26 | 2003-05-02 | Georges Emil Jorde | Honeycomb electric radiator heater has extruded aluminum casing with variable geometry cap |
US7725011B2 (en) * | 2005-07-29 | 2010-05-25 | Calorigen Usa Corp. | Temperature exchanging element made by extrusion and incorporating an infrared radiation diffuser |
DE202015100784U1 (en) | 2015-02-19 | 2015-03-06 | Helmut Derlich | Device for covering a radiator and for hanging a water tank |
-
2016
- 2016-06-27 DE DE102016111759.5A patent/DE102016111759A1/en not_active Withdrawn
-
2017
- 2017-06-26 EP EP17177975.4A patent/EP3264004B1/en active Active
- 2017-06-26 PL PL17177975T patent/PL3264004T3/en unknown
Non-Patent Citations (1)
Title |
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None * |
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PL3264004T3 (en) | 2021-05-17 |
EP3264004A1 (en) | 2018-01-03 |
DE102016111759A1 (en) | 2017-12-28 |
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