EP1426698B1 - Couverture de radiateur - Google Patents

Couverture de radiateur Download PDF

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Publication number
EP1426698B1
EP1426698B1 EP03025141A EP03025141A EP1426698B1 EP 1426698 B1 EP1426698 B1 EP 1426698B1 EP 03025141 A EP03025141 A EP 03025141A EP 03025141 A EP03025141 A EP 03025141A EP 1426698 B1 EP1426698 B1 EP 1426698B1
Authority
EP
European Patent Office
Prior art keywords
longitudinal ribs
cover grill
cover
grill according
longitudinal
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
EP03025141A
Other languages
German (de)
English (en)
Other versions
EP1426698A1 (fr
Inventor
Hendrikus G. B. M. Ten Brincke
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.)
Ulamo beheer BV
Original Assignee
Ulamo beheer BV
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
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Priority claimed from DE20218218U external-priority patent/DE20218218U1/de
Application filed by Ulamo beheer BV filed Critical Ulamo beheer BV
Publication of EP1426698A1 publication Critical patent/EP1426698A1/fr
Application granted granted Critical
Publication of EP1426698B1 publication Critical patent/EP1426698B1/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
    • 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
    • F24D19/065—Grids attached to the radiator and covering its top
    • 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

Definitions

  • the invention relates to a grille, in particular for panel radiators with at least one heating plate, consisting of a metal strip with air outlet openings, which are delimited at least by longitudinal ribs, from which the heated air exits.
  • Panel radiators are preferably used for central heating in homes and offices and consist of one or more juxtaposed heating plates, which may optionally be provided on one or both sides with a meandering shaped convector plate. Between the heating plates, the air can flow from below and exits at the top of the heating plates upwards. For optical reasons, such panel heaters are often provided on the upper surface with a mostly grid-shaped cover having flow slots for the upward rising warm air.
  • the grille are mainly made of sheet metal, since the rising hot air can otherwise lead to deformations in other materials.
  • a generic cover is known for example from German Utility Model 19 79 806, which consists of a steel sheet, are incorporated in the slots by means of a cutting and bending tool, wherein the longitudinal intermediate webs are formed by bending the cutouts down.
  • the downwardly oriented web edges form a screen in order to withdraw the interior of the panel heater from consideration.
  • disadvantageously different and very expensive cutting and bending tools are required for the different sizes.
  • Another disadvantage is that is limited because of the limited slot width of the flow cross-section and also no optimal veneering effect due to the short leg lengths can be achieved. In this respect, a viewer can still look in from above between the individual heating plates.
  • a grille for plate radiator which consists of individual drop-shaped bent sheet metal strips, which are interconnected by transverse struts.
  • the cover grille formed in this way has no peripheral frame and, moreover, is based on a different production process.
  • DE 1 979 806 discloses an embodiment of an upper cover grille, in which incisions are made in an existing metal strip without the use of support elements and these lead to surface strips which can be bent downwards so that a ventilation grille is created.
  • stiffening of the cover grille takes place exclusively over the peripheral frame and no further measures provided for support, for example by cross bracing, are considered.
  • a grille for plate radiator is also known, which is made of a metal strip by cutting and embossing, however, the air outlet openings are cut out of the metal strip and the cut edges bent by a stamping process down, but so no longitudinal ribs correspondingly long trained thighs arise, but only slightly rounded longitudinal ribs are present. From the respective plan views can be clearly seen that no pronounced leg length is present, as provided for in the underlying invention to achieve a visual protection.
  • the invention has for its object to enable a low-cost production of the grille, in addition to a high stability, a large flow area for the hot air should be present.
  • a further object of the invention is to achieve an optimal glare effect in order to make it difficult for a viewer to gain insight into the interior of the panel radiator, at least from a certain point of view.
  • the longitudinal ribs in the form of sheet metal sections consist of the starting material of the metal strip and are bent in the way that arise on the bottom two legs on each of a longitudinal rib and at least some legs are connected by other support elements.
  • the individual longitudinal ribs are punched out or cut out of a metal strip almost over the entire length up to the side bars and bent in a subsequent step or simultaneously.
  • the cutting takes place here in the form that on both sides of the longitudinal ribs, a leg is formed, which can be bent downwards and has a slightly rounded edge in the upper area.
  • support elements By further subsequently fastened support elements is a stiffening of the cover grid, wherein the individual support elements are arranged transversely to the longitudinal extension of the cover and allow a connection of individual or all longitudinal ribs, so that at the same time an advantageous bending and torsional stability is achieved and thus unintentional bending of the longitudinal ribs Load is prevented.
  • the main advantage of the embodiment according to the invention is that due to the over the entire length extending flow slots, a much larger flow area is created because the support elements can be kept as small as possible in their dimensions and hardly any impairment of the flow cross section occurs.
  • the support elements are preferably arranged at equidistant intervals below the longitudinal ribs.
  • the support elements consist of transverse ribs which connect the longitudinal ribs with each other, while in a second embodiment, the support elements are welded on the underside to the leg ends and / or a support edge, wherein the support elements, for example, a wire section, a square profile with a small width or a bent sheet metal strip can exist.
  • the transverse ribs formed between the laminar sections are pressed at least partially downwards relative to the edge of the sheet metal strip so that further reinforcement and stiffening of the grid occurs due to the deformation.
  • a sufficient stability of the longitudinal ribs is ensured over the entire width of the cover grid, at the same time leave the depressed transverse ribs no visual interruption of the longitudinal ribs in the upper area.
  • the flow slots are limited by the longitudinal ribs in their width and in the longitudinal direction by the connecting transverse ribs or end side webs, wherein the ends of the longitudinal ribs are additionally interconnected by the side webs.
  • transverse ribs in this case run perpendicular to the longitudinal ribs and support them stabilizing over the entire length of the cover grid.
  • the support elements are designed angled end and come to rest with the angled end at the bottom of a support edge.
  • the support elements are therefore not only on the downward edges of the legs, but at the same time on the support edge and can be welded to this example, so that over the width of an extremely stable design of the cover is created and even at higher loads sufficient deformation resistance consists.
  • the support element of its dimensions reduces the cross section only as little as possible in order not to adversely affect the air circulation.
  • the support elements themselves are arranged at equidistant intervals below the longitudinal ribs, so that uniform fields arise, which ensures uniform loading of the longitudinal ribs, for example, when parking objects on the cover grid.
  • the particular advantage arises from the fact that can be significantly increased by the large lengths of the individual longitudinal ribs of the flow cross-section, since significantly less transverse ribs or other support elements are required than in conventional cover grids.
  • the two legs of the longitudinal ribs are formed of equal length to allow a rational production, wherein the longitudinal ribs can be at least partially connected to each other via their down-facing legs on the support elements.
  • each leg can be connected to the support element.
  • the bent legs may each be formed to extend parallel, wherein the legs have an approximately right angle to the sheet metal strip.
  • a leg is bent slightly forward or backward with respect to the vertical to optimize the privacy.
  • the length of the legs can in this case correspond approximately to half the width of the flow slots and thus not only provide optimum privacy, but also provide for improved stiffening of the cover grid.
  • the legs have different lengths, namely a leg than curved edge is executed, while the other leg is formed substantially longer and each arranged parallel to each other.
  • the longer leg in this case has an approximately right angle to the metal strip or cover grid.
  • the longer leg is also bent slightly forward or backward with respect to the vertical to further optimize the sunscreen.
  • the flow slots are also limited by the longitudinal ribs and other transverse ribs or other support elements and end webs.
  • a downwardly open, in cross-section U-shaped support edge is formed to hang the cover grid on the existing panel radiator, wherein the support edge, the upper ends of the individual plates embraces.
  • These side bars are preferably made slightly wider and also serve for support on the plate radiator and for lateral termination.
  • the side bars may be bordered on both sides of the cover each of a U-shaped edge rail, which form an open-bottomed in cross-section U-shaped support edge with an L-shaped leg.
  • the side webs are formed on the front side by a clampable cover plate, for example made of metal or plastic, lockable.
  • Figure 1 shows a perspective view of a grille 1 with bent at right angles longitudinal edges 2, 3, which are provided for support on the plate heater, not shown.
  • Side ends 4, 5 are formed on the end side of the cover grille 1, some of which also rest in the edge region of the panel heater, not shown, and can be adjusted in accordance with the width of the edge region, wherein these also also for clamping recording of lateral end profiles can be used, so on the one hand there is a good coverage of the edge region and on the other hand, the flow cross-section is not unnecessarily reduced.
  • the longitudinal ribs 6 extend over the entire length of the cover grid 1 to the side bars 4, 5 and are supported at equidistant intervals by support elements 7.
  • the support elements 7 are in the illustrated embodiment of a round wire and are welded to the edges of the legs 8, 9.
  • a round wire it is possible instead of a round wire to use a flat profile with a small cross-section or a bent sheet metal strips, which are optionally executed end angled and additionally abut the bottom of the longitudinal edges 2, 3 and also connected to these, for example, welded, can be. Welding can be done with each of the edges of the folded legs. However, it is possible to perform a welding only partially. In each case an edge element 11 is clamped in the cover grille 1 at the end, which is adapted due to its rounded embodiment both to the top and to the longitudinal edges.
  • FIG. 2 shows in a perspective bottom view of the grille 1 according to the invention, from this view very clearly the legs 8, 9 of the longitudinal ribs 6 are visible and the rest of the support member 7, which connected to the edges of the legs 8, 9, for example welded, is , Furthermore, it can be seen from this bottom view that the edge element 11 is merely plugged onto the cover grille 1 and held with clamping means, wherein an integrally formed, angled portion 12 has a slot 13. Shaped clamping feet 14 provide for an end positioning on the plate heater, not shown.
  • Figure 3 shows an enlarged view of the end of the cover grille 1 according to Figure 2 without edge element, from which again the approximately equal legs 8, 9 of the longitudinal ribs 6 are visible and the support member 7, which is welded to the legs.
  • Figure 4 shows a perspective view of a cover grid 20 with bent at right angles longitudinal edges 21, 22, which is not to rest on the Plate radiators are provided shown.
  • side webs 23, 24 are formed, which in part also rest in the edge region of the panel heater, not shown, and can be adjusted according to the width of the edge region, so that on the one hand there is good coverage of the edge region and, on the other hand, the flow cross section is not unnecessarily reduced.
  • a plurality of longitudinal ribs 25 and transverse ribs 26 are formed, which determine the flow cross-section.
  • the longitudinal ribs 25 extend over the entire length of the cover grid 20 to the side webs 23, 24 and are supported at equidistant intervals by the transverse ribs 26. Opposite the surface of the cover grid 20, the transverse ribs 26 are thereby pressed downwards in order to bring about a further stiffening of the cover grid 20 and to allow a reinforcement in the middle grid area, which excludes a deformation of the longitudinal ribs 25.
  • the longitudinal ribs 25 are produced by the process according to the invention characterized in that the individual longitudinal ribs 25 are cut out in the existing metal strip according to the desired shape and the supernatants are bent downwards, in such a way that the rear edge is slightly rounded down, while the front visible longer leg 27 is bent downwards by suitable tools. Due to the length of the front leg 27, which is preferably sent to the viewer, a much better glare is achieved and denied insight into the interior of the panel heater.
  • a single longitudinal rib 25 is connected at the ends respectively to the side webs 23, 24 and is supported in the middle region by the transverse ribs 26.
  • the cover grid 20 is additionally bent in the longitudinal direction, so that a support edge 28 is formed.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Baking, Grill, Roasting (AREA)
  • Materials For Photolithography (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Claims (14)

  1. Grille de protection (1, 20), notamment pour un radiateur plat ayant au moins une plaque chauffante, composée d'une bande de tôle ayant des orifices de sortie d'air, qui sont délimités au moins par des nervures longitudinales (6, 25) et par lesquelles l'air réchauffé s'échappe, les nervures longitudinales (6, 25) sous la forme de bandes de tôle étant constituées du matériau de départ de la bande de tôle et étant recourbées de façon à donner naissance sur la face inférieure à deux branches (8, 9, 27) sur respectivement une nervure longitudinale (6, 25) et la longueur d'une branche correspondant au moins approximativement à la demi largeur des fentes d'écoulement, caractérisée en ce qu'au moins certaines branches (8, 9, 27) sont reliées entre elles par des éléments d'appui supplémentaires (7).
  2. Grille de protection selon la revendication 1, caractérisée en ce que les nervures longitudinales (6, 25) peuvent être fabriquées par un processus de formage, notamment pas estampage, par découpage ou par cintrage.
  3. Grille de protection selon la revendication 1 ou 3, caractérisée en ce que les éléments d'appui (7) sont disposés à intervalles équidistants sous les nervures longitudinales (6, 25).
  4. Grille de protection selon la revendication 2 ou 3, caractérisée en ce que selon une première forme de réalisation, les éléments d'appui (7) consistent en des nervures transversales (26) qui relient entre elles les nervures longitudinales ou en ce que selon une deuxième forme de réalisation, les éléments d'appui (7) sont soudés sur la face inférieure sur les extrémités des branches et/ou sur un bord d'appui (10), les éléments d'appui (7) étant constitués par exemple d'un tronçon de fil métallique, d'un profil à quatre pans de faible largeur ou d'une bande en tôle cintrée.
  5. Grille de protection selon la revendication 4, caractérisée en ce que les nervures transversales (26) naissant entre les sections de lamelles sont repoussées au moins partiellement vers le bas par rapport au bord de la bande de tôle, pour assurer un renfort et une rigidification de la grille.
  6. Grille de protection selon l'une quelconque ou plusieurs des revendications 1 à 4, caractérisée en ce que les fentes d'écoulement sont délimitées dans leur largeur par les nervures longitudinales (6, 25) et dans le sens longitudinal par les nervures transversales de liaison (26) ou par des listels latéraux sur leur extrémité (4, 5, 23, 24), les extrémités des nervures longitudinales (6, 25) étant reliées par les listels latéraux (4, 5, 23, 24).
  7. Grille de protection selon la revendication 1, 2 ou 6, caractérisée en ce que les nervures longitudinales (6, 25) sont continues entre les listels latéraux (4, 5, 23, 24).
  8. Grille de protection selon l'une quelconque ou plusieurs des revendications 1 à 7, caractérisée en ce que les éléments d'appui (7) sont réalisés sous forme coudée sur leurs extrémités, et par l'extrémité coudée, ils viennent s'appliquer sur la face inférieure d'un bord d'appui (10, 28).
  9. Grille de protection selon la revendication 1 ou 8, caractérisée en ce que les deux branches (8, 9, 27) sont conçues de préférence à la même longueur et en ce que toutes les branches (8, 9, 27) sont reliées aux éléments d'appui (7) et en ce que la longueur des branches (8, 9, 27) correspond approximativement à la demi largeur des fentes d'écoulement et en ce que les branches (8, 9, 27) sont respectivement conçues de façon à s'étendre en parallèle.
  10. Grille de protection selon la revendication 1, caractérisée en ce que les nervures longitudinales (6, 25) comportent sur un côté une arête cintrée et sur le côté opposé une longue branche (8, 9, 27) et en ce que l'arête cintrée et la branche (8, 9, 27) sont respectivement conçues de façon à s'étendre en parallèle.
  11. Grille de protection selon la revendication 10, caractérisée en ce qu'après le montage, les branches plus longues (8, 9, 27) sont dirigées vers l'observateur.
  12. Grille de protection selon l'une quelconque ou plusieurs des revendications 1 à 11, caractérisée en ce que sur les deux côtés de la grille de protection (1, 20), les listels latéraux (4, 5, 23, 24) sont chacun bordés par un élément de bordure en forme de U (11), qui par une branche en forme de L forment un bord d'appui ouvert vers le bas, de section transversale en forme de U.
  13. Grille de protection selon l'une quelconque ou plusieurs des revendications 1 à 12, caractérisée en ce que sur la face frontale, les listels latéraux (4, 5, 23, 24) sont conçus de façon à pouvoir être fermés par une plaque de protection pouvant être bloquée, par exemple en métal ou en matière plastique.
  14. Grille de protection selon l'une quelconque ou plusieurs des revendications 1 à 13, caractérisée en ce qu'un bord d'appui ouvert vers le bas, de section transversale en forme de U est formé sur les deux côtés longitudinaux d'une grille de protection munie de nervures longitudinales (6, 25).
EP03025141A 2002-11-22 2003-10-31 Couverture de radiateur Expired - Lifetime EP1426698B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20218218U DE20218218U1 (de) 2002-11-22 2002-11-22 Abdeckgitter
DE20218218U 2002-11-22
DE20304662U 2003-03-21
DE20304662U DE20304662U1 (de) 2002-11-22 2003-03-21 Abdeckgitter

Publications (2)

Publication Number Publication Date
EP1426698A1 EP1426698A1 (fr) 2004-06-09
EP1426698B1 true EP1426698B1 (fr) 2006-06-07

Family

ID=32313749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03025141A Expired - Lifetime EP1426698B1 (fr) 2002-11-22 2003-10-31 Couverture de radiateur

Country Status (3)

Country Link
EP (1) EP1426698B1 (fr)
AT (1) ATE329208T1 (fr)
DE (1) DE50303668C5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010343A1 (de) 2009-02-25 2010-09-02 Stiebel Eltron Gmbh & Co. Kg Heizgerät, Gehäuse eines Heizgerätes, Gitter zum Abdecken eines Lufteinlasskanals und Verfahren zum Einlegen desselben in ein Gehäuse eines Heizgerätes
DE102009010344A1 (de) 2009-02-25 2010-09-02 Stiebel Eltron Gmbh & Co. Kg Gehäuse für ein Radialgebläse

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1979806U (de) 1967-12-12 1968-02-29 Benteler Werke Ag Obere abschlussplatte fuer heizkoerper od. dgl.
CH553385A (de) * 1973-06-20 1974-08-30 Heer & Co Abdeckgitter, insbesondere fuer heizkoerper.
DE8713073U1 (fr) 1987-09-29 1987-11-05 Prof. Dr. E. Sommer Gmbh, 4750 Unna, De
DE4334705C1 (de) 1993-10-12 1995-04-13 Ulamo Beheer Bv Abdeckgitter für Plattenheizkörper
DE9320445U1 (de) 1993-10-12 1994-07-28 Ulamo Beheer Bv Vorrichtung zur Befestigung einer Abdeckplatte an einem Plattenheizkörper
DE29604834U1 (de) * 1996-03-15 1996-05-09 Ulamo Beheer Bv Randabdeckung für Flachheizkörper
DE19908403A1 (de) * 1998-02-27 1999-09-02 Hagetec Handelsgesellschaft Fu Konvektions-Heizkörper
DE19939909A1 (de) * 1998-08-25 2000-05-25 Ribe Jernindustri Ribe As Konsole für Konvektoren, Verfahren zur Herstellung derselben sowie mit solchen Konsolen ausgerüstete Konvektoren
DE29919613U1 (de) * 1999-11-08 2000-02-03 Ulamo Beheer Bv Heizkörperverkleidung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009010343A1 (de) 2009-02-25 2010-09-02 Stiebel Eltron Gmbh & Co. Kg Heizgerät, Gehäuse eines Heizgerätes, Gitter zum Abdecken eines Lufteinlasskanals und Verfahren zum Einlegen desselben in ein Gehäuse eines Heizgerätes
DE102009010344A1 (de) 2009-02-25 2010-09-02 Stiebel Eltron Gmbh & Co. Kg Gehäuse für ein Radialgebläse

Also Published As

Publication number Publication date
DE50303668C5 (de) 2008-01-03
DE50303668D1 (de) 2006-07-20
ATE329208T1 (de) 2006-06-15
EP1426698A1 (fr) 2004-06-09

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