EP1327834B1 - Elément de radiation pour appareil de chauffage - Google Patents

Elément de radiation pour appareil de chauffage Download PDF

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Publication number
EP1327834B1
EP1327834B1 EP02000889A EP02000889A EP1327834B1 EP 1327834 B1 EP1327834 B1 EP 1327834B1 EP 02000889 A EP02000889 A EP 02000889A EP 02000889 A EP02000889 A EP 02000889A EP 1327834 B1 EP1327834 B1 EP 1327834B1
Authority
EP
European Patent Office
Prior art keywords
radiator
projections
lamella
length
sheet
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.)
Expired - Lifetime
Application number
EP02000889A
Other languages
German (de)
English (en)
Other versions
EP1327834A1 (fr
Inventor
David Clemens
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
Priority to AT02000889T priority Critical patent/ATE280932T1/de
Priority to SI200230045T priority patent/SI1327834T1/xx
Priority to EP02000889A priority patent/EP1327834B1/fr
Priority to ES02000889T priority patent/ES2231587T3/es
Priority to PT02000889T priority patent/PT1327834E/pt
Priority to DE50201401T priority patent/DE50201401D1/de
Application filed by DBK David and Baader GmbH filed Critical DBK David and Baader GmbH
Priority to US10/338,988 priority patent/US7482557B2/en
Priority to KR10-2003-0002463A priority patent/KR100525858B1/ko
Priority to JP2003006886A priority patent/JP3803325B2/ja
Publication of EP1327834A1 publication Critical patent/EP1327834A1/fr
Application granted granted Critical
Publication of EP1327834B1 publication Critical patent/EP1327834B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0435—Structures comprising heat spreading elements in the form of fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
    • F24H3/0447—Forms of the electrode terminals, e.g. tongues or clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0452—Frame constructions
    • F24H3/0476—Means for putting the electric heaters in the frame under strain, e.g. with springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC
    • 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
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • 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

Definitions

  • the invention relates to a heating device and radiator elements, the parts of the Are heater.
  • the invention further relates to an associated manufacturing method.
  • the invention relates to such heaters for Air heating can be used.
  • heaters or radiators for heating used by interior and engine.
  • heaters are also for others Suitable for a wide range of applications, for example in the field of house installations (room air conditioning), industrial plants and the like.
  • heating devices in particular those with PTC heating elements (Positive temperature coefficient, positive temperature coefficient, PTC thermistor), via radiator elements that serve to dissipate heat.
  • PTC heating elements Positive temperature coefficient, positive temperature coefficient, PTC thermistor
  • radiator elements that serve to dissipate heat.
  • The is supported Heat dissipation through an air flow generated by a fan.
  • radiator elements are known in various designs.
  • many conventional radiator elements have fins attached to the retaining plates or cover plates are soldered or otherwise mechanically attached to them.
  • the production of soldered designs requires a very high level of effort and is also not process-reliable, since often not all contact points of the slats are soldered on and therefore there is no uniform heat dissipation. hereby can even influence the heat output of the (PTC) radiator so much that the radiator is no longer within the specified specification operated.
  • a radiator is known from EP 0 575 649 B1 which forms prefabricated units contains assembled heating elements made of riveted sheet metal strips exist that include a slat band.
  • the PTC elements used are held in windows or openings in plastic frames.
  • heating elements carrying PTC elements are layered with corrugated fins.
  • the position of the corrugated fins between the heating elements serves as projections on the sheets that surround the PTC elements. This measure also does not work for an improved assembly.
  • EP 0 379 873 A2 describes a device for heating gases under Use of PTC elements, which are contained in a frame part, the U-profile is located and covered by a cover plate.
  • the arrangement to sit Heat is given off to the surrounding air by frictional lamellae leading to this Have a breakthrough for the purpose. This does indeed result in heating units created, the heat output fins sit on clamped, but one can assemble such a device also only with great effort, since the slats are pushed on individually Need to become. In addition, the arrangement is not very stable and leaves do not stratify easily.
  • EP 1 061 776 A1 describes a heating device for heating the air Position frame with means for snap-locking latching of Radiator elements and electrode sheets.
  • the positioning frames enable the Assembly into radiator assemblies, which are then layered or stacked can be.
  • PTC elements are used as heating elements.
  • For fixing of lamellar elements on radiator sheets serve crimp plates.
  • the invention is based on the object a heating device, a radiator element and an associated method with improved Specify mounting properties.
  • the radiator element comprises at least one lamella element (or corrugated fin element) and a radiator plate (or holding plate), the radiator plate at least two edges protrusions for fastening the lamella element to the radiator plate having.
  • the projections can be used to attach the lamella element are bent and have a notch to facilitate bending along the edge.
  • the manufacturing method comprises the provision of at least one lamella element and a radiator sheet which has projections on at least two edges Attachment of the lamellar element on the radiator plate. It will at least one notch is attached to the projections along the respective edge and then placed the lamella element on the radiator plate. Finally the projections are bent to fasten the lamella element.
  • the invention is advantageous because it uses radiator elements made from a radiator sheet and a lamella element are formed.
  • the corrugated fin shape of the lamella elements can be manufactured inexpensively and leads to a low overall weight and enables due to the channels formed by them as well as the large ones Surface of the lamella elements the heat emission to the air flowing in particularly cheap way.
  • the notching of the protrusions facilitates the bending process, as with the notching a material displacement goes hand in hand that enables that when pressing the projections on the inserted slat element no crushing of material occur.
  • a crushing or throwing of material in this Bending area would prevent the flat contact of the lamellae on the sheet that the slats are not held securely when the projections are pressed on from the side could become.
  • the invention is Notch technique advantageous, since otherwise only corresponding bends would be feasible with the greatest effort.
  • an elongated protrusion design is an additional advantage an improved strength of pre-assembled modules. Furthermore, on this way a safe thermal contact between the lamella element and the radiator sheet, so that the desired heat output is reliable can be achieved and maintained. In addition, the advantage is achieved that the assembly of the radiator elements can be done quickly, automatically and therefore also inexpensively can. This technology is particularly advantageous for very large heating elements.
  • a configuration of the projections over the entire length of the radiator plate or Slat element leads to a particularly stable and compact unit.
  • the risk of injury during assembly is reduced because there is little or no risk cantilevered elements occur.
  • the notch has a length that is the length of the edge of the radiator sheet corresponds, in particular no transverse or shear forces occur during the Bending process could lead to warping of the radiator sheet.
  • a notch is particularly advantageous if it is deeper than half the sheet thickness takes place because in this way the material displacement during the bending process in particularly suitable extent.
  • a particularly advantageous assembly skill can be achieved if the length of the Projection perpendicular to the edge course, i.e. the length of the projection to be bent, in the order of magnitude of the radiator sheet thickness. There are also the assembly properties against the assembly strength to be achieved and the material consumption optimally weighed.
  • a particularly advantageous projection length is 0.4 mm with a sheet thickness of 0.5 mm.
  • the lamellar element has a plurality of lamellar lamellas and it is attached to the radiator plate so that adjacent slats abut each other, so the same number of meanders (or lamellas or wave ribs) over a PTC element.
  • the number of meanders that in the area of a PTC heating element is crucial for the thermal Efficiency and therefore also for the heating output.
  • advantageously increases the operational reliability of the heating device.
  • a position frame If a position frame is used, the it enables radiator elements to be clipped or clipped onto position frames, i.e. Ready to connect snap-in connection, prefabricated units are created without special care is easy to handle. Because these prefabricated units also include the radiator elements, the number of for the assembly of the heater required parts reduced. These few prefabricated radiator assemblies can then be stacked quickly and by hand. Particularly advantageous the invention is therefore for thin PTC elements that have a thickness of about 1.1 mm and special manual care in conventional arrangements require.
  • Rivet connections for current-carrying Parts result in a contact resistance that leads to the failure of a heating element can lead. Rivet connections of different materials are particularly problematic.
  • a rivetless arrangement is particularly advantageous for large heating elements Heating power (1,500 W, 12 V / 125 A), where the introduction of electricity is special Importance. Avoiding riveted joints is also special advantageous for heating elements with only one ground connection, as in corresponding conventional arrangements, the entire heating current via a single rivet connection is initiated.
  • Clip lugs and corresponding recesses in the positioning frame allow in an advantageous manner How the position-secure and twist-proof mounting of the radiator element.
  • radiator elements clicking enables the prefabrication of a variety of different radiator assemblies and further increases the suitability for assembly.
  • connection lugs allow a variety of Connection techniques for electrical power supply.
  • angled Connection lugs advantageous for both welding connections and plug connections.
  • the position frame can accommodate the at least one PTC element Have breakthroughs that are inexpensive to manufacture and to reduce weight contribute.
  • the positioning frame has bulges on its end faces, this will result in the positional security of the radiator elements is further promoted. Bulges on the face and the side edges of the positioning frame also lead advantageously for a silent redirection of the air flow.
  • the positioning frame is made of glass fiber reinforced polyamide, the Advantages of high stability and high temperature resistance with the favorable properties the precise manufacturability and low thermal expansion combined.
  • radiator plate is simple in addition to the power supply can be used, what the combination possibility prefabricated assemblies during the assembly of the heater further promotes.
  • the final assembly is hereby advantageously the heating device significantly favored.
  • a Heating device created largely without complex screw or rivet connections is producible.
  • An additional holding bar further stiffens the overall arrangement and thus allows in advantageously the use of further increased spring forces.
  • FIG. 1 shows a radiator element for a heating device for air heating according to FIG a first preferred embodiment of the invention.
  • the radiator element includes a lamella element 28 and a radiator plate 22.
  • all slats are in line with the radiator plate, so that the function of the Heat conduction can be optimally met.
  • the lamella spacing is preferably 1.8 to 2.0 mm.
  • the radiator plate 22 is bent over one Form end limit for the slat element.
  • On two parallel, opposite The radiator sheet 22 each has a projection 8 for fastening of the lamella element 28 on the radiator plate 22.
  • the protrusions are shown in FIG. 2a, 2b and 2c in perspective and in cross-sectional view further clarified.
  • the notch 9 has one Depth of preferably 0.3 mm, i.e. a depth of more than half the radiator sheet thickness 0.5 mm. It can be created by a cutting or sawing process , but is preferably rolled in, as explained in more detail below becomes.
  • the bending is preferably carried out by more than 90 °, so that the bent ones Extend projections also inwards.
  • the protrusions 8 formed from a deformable material so that it is in contact with the Deform slat member 28 as shown in FIG. 2a can be seen.
  • the protrusions preferably form about one 5 ° open U-shaped sheet. This is shown in FIG. 2c clarifies. In the U-plate then inserted the lamella element, after which the final pressing of the projections can be done.
  • the projections 8 have a first length along the respective edge and one second length in a direction perpendicular to the edge.
  • the first length is multiple greater than the second length and is preferably equal to the length of the edge of the Radiator plate 22 and / or the lamella element 28.
  • the second length is preferably 0.4 mm and is therefore in the order of the radiator sheet thickness.
  • Such a radiator element according to the invention can be produced by providing it at least one lamella element and a radiator sheet, placing the Lamellar element on the radiator plate and bending the projections for fastening of the slat element. This can be done manually, but preferably mechanically respectively.
  • the manufacturing process also includes a step to create the Notch.
  • fins are made from an aluminum coil led into a gear-like form rolling device.
  • a counting device the slat element can then be cut to the desired length.
  • Another aluminum coil is made in a separate manufacturing step band of a form rolling device used for the production of the radiator sheet fed, which contains form rollers for the rolling of the notches.
  • the device then embosses the tape in a U shape and cuts the tape open the given length.
  • the section and the U-shaped can also be changed Sequence to be carried out.
  • the prefabricated U-plates can therefore without Cut waste is manufactured and then stacked in magazines.
  • the cut slats and the U-plates are cut brought together and attached to each other by lateral pressure. Subsequently the finished radiator element is placed in a container for further assembly stored. No new tool investments are required for different lengths.
  • the prefabricated radiator elements are mechanically stable and can do very well can also be used for the automated assembly of PCT radiators.
  • FIG. 3 shows a positioning frame with four cutouts 12 for receiving PTC elements 46. Deviating from the illustration in FIG. 3 can be the number of PTC elements can assume any values per position frame, in particular can a frame also include six PTC elements.
  • the recesses are preferably carried out as breakthroughs, but can also in the form of Be deepened.
  • the positioning frame is preferably made of plastic, such as polyamide, and can be made glass fiber reinforced to achieve increased mechanical stability his.
  • the positioning frames according to the preferred embodiment close to that for the PTC elements provided recesses in a thickness that is at least 0.1 mm smaller than the PTC thickness is made.
  • the length of a positioning frame is about 240 mm.
  • the positioning frame 10 has 44 bulges on its side edges, one of which Allow noiseless air flow.
  • the front edges 14 have bumpy curvatures on either side of the frame, shown in FIG. 3 are not shown.
  • the positioning frame also has clip elements with lugs 16, 18 and cutouts 20 on.
  • clip elements with lugs 16, 18 and cutouts 20 on.
  • FIG. 3 has the position frame about four such clip elements, but the number of these clip elements can be of them also deviate.
  • Each clip element preferably has two opposing lugs 16, 18, which are arranged to match the recesses 20.
  • the clip elements are preferably made of plastic, such as polyamide, manufactured. Injection molding is used as the preferred manufacturing process.
  • Radiator elements can be snapped onto the positioning frame by means of the clip lugs latched latched.
  • a radiator element has been described above and is in a further embodiment in FIG. 3 shown. It consists of a radiator sheet 22 and a lamella element 28 in the form of corrugated ribs.
  • the radiator plate 22 has lamella end boundaries 24 at its ends, which determine the length of the corrugated fin element.
  • the radiator sheet has on its Each side edge (not shown) projections 8 for fixing the lamella element 28th
  • the radiator element preferably has approximately the length and width of the position frame and has a preferred height of approximately 10 mm.
  • the radiator plate and the corrugated fins are preferably made of aluminum, which is corrosion-resistant and very good heat conductor.
  • the radiator plate can also be formed from brass.
  • FIG. 4 a prefabricated radiator assembly is shown, in which the in FIG. 3 shown Position frame with the in FIG. 3 radiator element is clipped and to which an electrode plate 30 is additionally latched on its other side.
  • the Electrode sheet 30 also has a connecting lug 32 on one end face, with an electrical connection can be made in an advantageous manner.
  • the electrical connections of the heating elements can be used as welding connections as well as molded connections on the electrode plate. Through the Avoiding riveted connections can lead to a high power supply Current are carried out. For example, a current of 160 amps possible.
  • Deviating from that in FIG. 4 embodiment can be a frame be connected on both sides with lamella elements. It is also possible to use a position frame to be provided on both sides with the same or different electrode sheets. Electrode sheets can also be used without lamella elements be connected at the top.
  • FIG. 5 shows a further embodiment of a radiator element, in which the Radiator plate 34 also takes over the function of an electrode plate.
  • the Radiator plate 34 also takes over the function of an electrode plate.
  • the purpose is the slat end limitation 36 with an electrical connection lug 38 connected in one piece.
  • FIG. 6a is an arrangement similar to that of FIG. 4, but are the corrugated fins of the slat element 28 set closer.
  • the electrode plate is also included an angled connection lug.
  • the arrangement of FIG. 6a without angled terminal lug is shown in FIG. 6b seen in front view.
  • FIG. 6c shows the radiator element of FIG. 6a in a separate representation.
  • FIG. 7 shows a first embodiment of the heating device according to the invention.
  • the device consists of a layering or stacking of prefabricated Radiator assemblies that form a total of three heating levels. In this embodiment a total power of 1000 W is specified. Other configurations have PTC elements with a total output of up to 2,000 W.
  • the outer heating levels have only one PTC series, while the middle heating level has two PTC series.
  • connection lugs 54 the electrical power supply of the individual Heating levels, while the connection flag 52 marked “-" the ground connection represents.
  • the Heater of FIG. 7 a two-part electrode plate, the two plates 48 are connected by a bridge 50.
  • the layered radiator assemblies are bordered on both sides by spring clips 56, with springs 62 between the brackets and the upper and lower radiator assemblies provide the necessary high spring force.
  • Spring clips are special useful for frames that enclose four or more PTC elements.
  • there is also a preferably centrally attached one Retaining bracket 60 is provided, which is preferably made of stainless steel and is electrically insulated.
  • the bracket 60 has rotatable Retaining tabs 64, which are suitable for mounting by suitable, preferably rectangular Openings in the spring clips 56 inserted and after exerting pressure on the Spring clips can be turned by 90 °.
  • the spring clips 56 are also laterally with bars 58 further stabilized, which are preferably made of plastic.
  • FIG. 8a to 8d illustrate in detail the joining technology between the holding bracket 60 and spring clip 56 by means of the rotatable retaining tab 64.
  • the retaining tab 64 is thereby on its upper, cross-nose part by means of a rotary cylinder rotated approx. 90 °.
  • Retaining bracket and spring bracket are preferably U-shaped hollow profiles manufactured. A cross-section of the bracket is about 5 x 0.5 mm prefers.
  • FIG. 9 is a second embodiment of a heating device according to the invention shown, which differs from that shown in FIG. 7 embodiment shown mainly by the number and type of radiator modules differs.
  • Side bars 66, 68 are provided with suitable mechanical and electrical brackets.
  • FIG. 10 shows a two-part electrode plate 48 in a perspective view connecting bridge 50 and angled terminal lug 52.
  • the two-part electrode plate is particularly intended for arrangements in which only one mass or Power supply connector is used.
  • radiator assemblies are formed by using the heater necessary dimensions positioning frame with radiator elements and / or electrode plates get connected.
  • Radiator elements can also be used with each other get connected.
  • Various radiator elements can also be used find that differ, for example, in the shape of the radiator sheets and can also take over the functions of electrode sheets.
  • the prefabricated radiator assemblies are then layered and spring clips edged.
  • an or several brackets attached.
  • the overall arrangement is through side rails fixed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Resistance Heating (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Claims (10)

  1. Elément de radiateur pour un appareil de chauffage destiné à réchauffer l'air, comprenant :
    au moins un élément à lamelles (28) et
    une tôle de radiateur (22, 34),
    la tôle de radiateur comportant sur au moins deux bords des saillies (8) pour la fixation de l'élément à lamelles sur la tôle de radiateur,
       caractérisé en ce que
       les saillies de fixation de l'élément à lamelles sont pliées d'au moins 90° jusqu'à ce qu'elles soient pressées latéralement sur l'élément à lamelles et en ce que
       les saillies comportent une encoche (9) le long du bord pour faciliter le pliage.
  2. Elément de radiateur selon la revendication 1, les saillies présentant une première longueur le long du bord correspondant et une deuxième longueur perpendiculairement au bord et la première longueur étant beaucoup plus grande que la deuxième longueur.
  3. Elément de radiateur selon la revendication 2, la première longueur des saillies étant égale à la longueur de bord correspondante ou à la longueur de l'élément à lamelles.
  4. Elément de radiateur selon la revendication 2 ou 3, la longueur de l'encoche le long du bord correspondant étant égale à la première longueur des saillies.
  5. Elément de radiateur selon une des revendications 2 à 4, la deuxième longueur des saillies à l'état plié étant d'environ 0,4 mm.
  6. Elément de radiateur selon une des revendications 1 à 5, l'élément à lamelles comportant une pluralité de lamelles disposées en forme de méandres et étant fixé à la tôle de radiateur de manière à ce que des lamelles voisines soient respectivement l'une contre l'autre.
  7. Appareil de chauffage destiné à réchauffer l'air, comprenant un élément de radiateur selon une des revendications 1 à 6.
  8. Procédé de fabrication d'un élément de radiateur selon une des revendications 1 à 6 pour un appareil de chauffage destiné à réchauffer l'air, comprenant :
    la mise en place d'au moins un élément à lamelles (28),
    la mise en place d'une tôle de radiateur (22, 34) qui comporte sur aux moins deux bords des saillies (8) pour la fixation de l'élément à lamelles sur la tôle de radiateur ;
    l'usinage d'au moins une encoche (9) sur les saillies le long du bord correspondant ;
    la pose du au moins un élément à lamelles sur la tôle de radiateur ; et
    le pliage des saillies d'au moins 90° pour la fixation de l'élément à lamelles jusqu'à l'obtention d'une pression latérale sur l'élément à lamelles.
  9. Procédé selon la revendication 8, l'étape de pose du au moins un élément à lamelles sur la tôle de radiateur comprenant les étapes suivantes :
    formage d'une tôle en U légèrement ouverte par pliage des saillies ; et
    insertion d'au moins un élément à lamelles dans la tôle en U.
  10. Procédé selon la revendication 9, le degré d'ouverture de la tôle en U légèrement ouverte étant d'environ 5°.
EP02000889A 2002-01-15 2002-01-15 Elément de radiation pour appareil de chauffage Expired - Lifetime EP1327834B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP02000889A EP1327834B1 (fr) 2002-01-15 2002-01-15 Elément de radiation pour appareil de chauffage
ES02000889T ES2231587T3 (es) 2002-01-15 2002-01-15 Elemento de radiacion para aparato de calefaccion.
PT02000889T PT1327834E (pt) 2002-01-15 2002-01-15 Elemento de radiador para um dispositivo de aquecimento
DE50201401T DE50201401D1 (de) 2002-01-15 2002-01-15 Radiatorelement für eine Heizvorrichtung
AT02000889T ATE280932T1 (de) 2002-01-15 2002-01-15 Radiatorelement für eine heizvorrichtung
SI200230045T SI1327834T1 (en) 2002-01-15 2002-01-15 Radiating element for a heating apparatus
US10/338,988 US7482557B2 (en) 2002-01-15 2003-01-09 Lamella type radiator element having foldable projections and a notch
KR10-2003-0002463A KR100525858B1 (ko) 2002-01-15 2003-01-14 접이식 돌출부들 및 노치를 구비한 라멜라형 방열기 요소및 그 제조방법
JP2003006886A JP3803325B2 (ja) 2002-01-15 2003-01-15 折り曲げ可能な突出部およびノッチを有するラメラ型ラジエータ要素

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02000889A EP1327834B1 (fr) 2002-01-15 2002-01-15 Elément de radiation pour appareil de chauffage

Publications (2)

Publication Number Publication Date
EP1327834A1 EP1327834A1 (fr) 2003-07-16
EP1327834B1 true EP1327834B1 (fr) 2004-10-27

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EP02000889A Expired - Lifetime EP1327834B1 (fr) 2002-01-15 2002-01-15 Elément de radiation pour appareil de chauffage

Country Status (9)

Country Link
US (1) US7482557B2 (fr)
EP (1) EP1327834B1 (fr)
JP (1) JP3803325B2 (fr)
KR (1) KR100525858B1 (fr)
AT (1) ATE280932T1 (fr)
DE (1) DE50201401D1 (fr)
ES (1) ES2231587T3 (fr)
PT (1) PT1327834E (fr)
SI (1) SI1327834T1 (fr)

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DE102009043040A1 (de) 2009-09-28 2011-03-31 Dbk David + Baader Gmbh Heizer
DE102009043032A1 (de) 2009-09-28 2011-03-31 Dbk David + Baader Gmbh Heizmodul, Verfahren zum Herstellen eines Heizmoduls und Heizer
EP2636981A1 (fr) 2012-03-09 2013-09-11 DBK David + Baader GmbH Dispositif de chauffage, élément de lamelle pour dispositif de chauffage et procédé de fabrication d'un élément de lamelle
DE102012106157A1 (de) 2012-07-09 2014-01-09 Dbk David + Baader Gmbh Lamellenelement und Verfahren zur Herstellung des Lamellenelements
DE102012109768A1 (de) 2012-10-12 2014-04-17 Dbk David + Baader Gmbh Radiatorelement, Heizstufe und Verfahren zum Herstellen eines Radiatorelementes
DE102015111571A1 (de) 2015-07-16 2017-01-19 Dbk David + Baader Gmbh Verfahren zum Herstellen eines Wellrippenelementes, Wellrippenelement und Heizregister
DE102016110023A1 (de) * 2015-11-13 2017-05-18 Dbk David + Baader Gmbh Heizeinheit und Wäschetrockner
EP3310125A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Aérotherme haute tension incluant des éléments à lamelles et procédé de montage de ses éléments chauffants
EP3310127A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Chauffage d'air haute tension comprenant un boîtier de commande et son procédé de montage
EP3310126A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Aérotherme haute tension et procédé de montage de ses éléments chauffants
DE102017106711A1 (de) 2017-03-29 2018-10-04 Dbk David + Baader Gmbh Hochvolt-Luftheizer und Verfahren zu dessen Herstellung
DE102017120467A1 (de) 2017-09-06 2019-03-07 Dbk David + Baader Gmbh Heizer und Verfahren zu dessen Herstellung und Heizregister

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DE102010033310B4 (de) * 2010-08-04 2012-06-14 Ingo Schehr Elektrisches Heizmodul mit PTC-Element zum elektrischen Erwärmen eines Luftstroms
DE102012109801B4 (de) * 2012-10-15 2015-02-05 Borgwarner Ludwigsburg Gmbh Elektrische Heizvorrichtung
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DE102013108357A1 (de) 2013-08-02 2015-02-05 Dbk David + Baader Gmbh Lamellenelement und Verfahren zur Herstellung eines Lamellenelements
DE102013111987B4 (de) * 2013-10-30 2016-02-04 Borgwarner Ludwigsburg Gmbh Verfahren zum Herstellen einer elektrischen Heizvorrichtung und Heizvorrichtung
DE102014114983B4 (de) * 2014-10-15 2023-07-27 Borgwarner Ludwigsburg Gmbh Elektrische Heizvorrichtung
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DE102009043040A1 (de) 2009-09-28 2011-03-31 Dbk David + Baader Gmbh Heizer
DE102009043032A1 (de) 2009-09-28 2011-03-31 Dbk David + Baader Gmbh Heizmodul, Verfahren zum Herstellen eines Heizmoduls und Heizer
DE102009043041A1 (de) 2009-09-28 2011-03-31 Dbk David + Baader Gmbh Heizer
EP2636981A1 (fr) 2012-03-09 2013-09-11 DBK David + Baader GmbH Dispositif de chauffage, élément de lamelle pour dispositif de chauffage et procédé de fabrication d'un élément de lamelle
DE102012106157A1 (de) 2012-07-09 2014-01-09 Dbk David + Baader Gmbh Lamellenelement und Verfahren zur Herstellung des Lamellenelements
DE102012109768A1 (de) 2012-10-12 2014-04-17 Dbk David + Baader Gmbh Radiatorelement, Heizstufe und Verfahren zum Herstellen eines Radiatorelementes
EP3322942B1 (fr) 2015-07-16 2020-07-01 DBK David + Baader GmbH Procédé de fabrication d'un élément à ailettes ondulées, élément à ailettes ondulées et registre de chauffage
DE102015111571A1 (de) 2015-07-16 2017-01-19 Dbk David + Baader Gmbh Verfahren zum Herstellen eines Wellrippenelementes, Wellrippenelement und Heizregister
EP3322942B2 (fr) † 2015-07-16 2023-11-22 DBK David + Baader GmbH Procédé de fabrication d'un élément à ailettes ondulées, élément à ailettes ondulées et registre de chauffage
US10875078B2 (en) 2015-07-16 2020-12-29 Dbk David + Baader Gmbh Corrugated fin element
DE102016110023A1 (de) * 2015-11-13 2017-05-18 Dbk David + Baader Gmbh Heizeinheit und Wäschetrockner
EP3310125A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Aérotherme haute tension incluant des éléments à lamelles et procédé de montage de ses éléments chauffants
EP3310126A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Aérotherme haute tension et procédé de montage de ses éléments chauffants
EP3310127A1 (fr) 2016-10-11 2018-04-18 DBK David + Baader GmbH Chauffage d'air haute tension comprenant un boîtier de commande et son procédé de montage
DE102017106711A1 (de) 2017-03-29 2018-10-04 Dbk David + Baader Gmbh Hochvolt-Luftheizer und Verfahren zu dessen Herstellung
DE102017120467A1 (de) 2017-09-06 2019-03-07 Dbk David + Baader Gmbh Heizer und Verfahren zu dessen Herstellung und Heizregister
WO2019048491A1 (fr) 2017-09-06 2019-03-14 Dbk David + Baader Gmbh Dispositif de chauffage, son procédé de fabrication et batterie chaude

Also Published As

Publication number Publication date
ES2231587T3 (es) 2005-05-16
ATE280932T1 (de) 2004-11-15
US7482557B2 (en) 2009-01-27
PT1327834E (pt) 2004-12-31
DE50201401D1 (de) 2004-12-02
EP1327834A1 (fr) 2003-07-16
JP2003207295A (ja) 2003-07-25
KR20030061685A (ko) 2003-07-22
JP3803325B2 (ja) 2006-08-02
SI1327834T1 (en) 2005-02-28
KR100525858B1 (ko) 2005-11-02
US20030160043A1 (en) 2003-08-28

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