EP2239496B1 - Method for producing a light with a light frame - Google Patents

Method for producing a light with a light frame Download PDF

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Publication number
EP2239496B1
EP2239496B1 EP10158993.5A EP10158993A EP2239496B1 EP 2239496 B1 EP2239496 B1 EP 2239496B1 EP 10158993 A EP10158993 A EP 10158993A EP 2239496 B1 EP2239496 B1 EP 2239496B1
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EP
European Patent Office
Prior art keywords
luminaire
frame
base part
corner
corner part
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EP10158993.5A
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German (de)
French (fr)
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EP2239496A1 (en
Inventor
Wolfgang Bechter
Reinhard Radoszticz
Wolfgang Rüf
Michael Spiegel
Martin Jussel
Kurt Egle
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Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Publication of EP2239496A1 publication Critical patent/EP2239496A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the invention relates to a method for producing a luminaire with a luminaire frame, the method comprising producing a box-shaped base part for forming a luminaire tub of the luminaire. Moreover, the invention relates to a corresponding lamp.
  • a "luminaire trough" of a luminaire is understood to mean a structure which, in the sense of a “luminaire housing", serves to accommodate further components of the luminaire.
  • a sheet metal part is first punched out to produce a light sump, then from the bending of a open on one side, box or cuboidal base part of the lamp pan is formed.
  • this base part has, as a rule, a rectangular base area and four side walls which are each connected via 90 ° bends to the corresponding edge areas of the base area.
  • the base surface opposite, open side of the base part is thus limited by the corresponding free edges of the side walls, which represent in this sense an "edge" of the base part or the lamp pan.
  • a problem with the manufacture of a luminaire with the aid of this procedure is that the edge of the base part or the luminaire trough thus formed is generally not suitable for forming a visible outer surface of the luminaire. Therefore, a separate edge or frame element must usually be produced in a further step, which is accordingly suitable as a visible part and which is then applied accordingly to the edge of the base part or the lamp pan, so that there is a lamp frame for the lamp forms.
  • a luminaire with a lamp frame is known, which is formed from profile elements, which are connected to each other at the corners via corner joints.
  • a ceiling light is known with a frame which is formed from profile elements which are connected to one another at the corners by means of connecting pieces.
  • the present invention is based on the object to simplify the production of the lamp in a corresponding method.
  • a corresponding light should be specified, which can be made easier.
  • a method of manufacturing a luminaire with a luminaire frame comprising the following step: a) producing a box-shaped base part to form a luminaire trough of the luminaire, the base part having a base surface and side walls having 90 ° bends corresponding edge regions of the base are connected. Furthermore, the method comprises the further steps b) producing a corner part and c) connecting the corner part to the box-shaped base part to form the light frame (also referred to below as "frame" for short).
  • a continuous or peripheral, provided as visible frame for the lamp pan or for the lamp can be formed without a separate frame element as such would have to be made and connected to the lamp cover.
  • the production of the lamp is thereby significantly simplified.
  • step c) the joining takes place by welding.
  • step b) advantageously has the following substeps: b1) punching out a part and b2) forming the corner part by forming the part punched out in step b1).
  • the frame can be designed so that it has an inclined surface with respect to the side walls of the box-shaped base part.
  • special requirements for the external appearance of the frame can be met.
  • the forming referred to in sub-step b2) may be, for example, deep-drawing.
  • the corner part has a concave surface.
  • the possibilities for modifying the appearance of the frame are further improved.
  • a frame may be formed thereby, which has a corner region with a rounded portion.
  • a side wall of the box-shaped base part is bent to form the lamp frame.
  • the lamp frame can be made more or less wide in a simple way, in particular.
  • the side wall is bent at least twice.
  • the lamp frame can be designed so that it has a wall area with a surface whose surface normal with the normal of the base of the base part forms an angle greater than 0 ° and less than 90 °, preferably greater than 10 ° and less than 80 °, for example 45 °.
  • Such an "oblique" surface allows light radiated from the luminaire to illuminate the luminaire frame; this contributes to a positive appearance of the luminaire.
  • the base part and the corner part punching burrs wherein in step c) the punching burrs point to a side that is provided as the visible side of the lamp.
  • the frame can be designed so that in the finished luminaire no transition areas between the corner part and the adjoining areas of the lamp frame can be seen.
  • the burrs are particularly advantageous only in planes that are oriented perpendicular or normal to longitudinal axes of adjacent areas of the lamp frame. This allows the burrs form particularly inconspicuous.
  • the luminaire frame formed after step c) is painted in a further step d).
  • this can be done in the form of a powder coating. This makes it possible to achieve in a simple manner that transitions between the corner part and adjacent areas of the lamp frame as such when viewing the finished lamp from the outside are not or at least practically not visible.
  • a luminaire is provided with a luminaire frame, which is produced by a method according to the invention.
  • the luminaire frame of the luminaire advantageously has a rounding in a region formed by the corner part.
  • a luminaire trough 2 of an embodiment of a luminaire according to the invention is shown.
  • the luminaire pan 2 is used in a conventional manner for receiving further components of the luminaire, for example a reflector, a luminous means and so on.
  • the luminaire tub 2 can form a luminaire housing in this sense.
  • the luminaire trough 2 comprises a box-shaped or cuboidal base part which is open on one side.
  • This base part may have a rectangular base 4 and side walls 6, 8, 10, 12, which are connected by 90 ° bends with the corresponding edge regions of the base 4.
  • the base part is thus "open".
  • the base 4 is formed opposite to an opening of the base part, wherein the free, upwardly facing edges of the side walls 6, 8, 10, 12 extend along the edge of this opening.
  • the opening can define a light exit area of the luminaire.
  • the base 4 of the base part can also be triangular, pentagonal, hexagonal, etc., so that the number of corresponding side walls can vary accordingly. Accordingly, the number of corner portions of the opening formed by the base member may also vary.
  • the base part may consist of a stamped-out sheet-metal part which has corresponding bends for forming the side walls 6, 8, 10, 12, which extend along the edge of the base surface 4.
  • a box-shaped base part can be produced to form a luminaire trough.
  • the luminaire trough 2 comprises, in addition to the base part, a plurality of corner parts 14, 14 ', 14 ", 14"'.
  • the corner parts 14, 14 ', 14 ", 14'” may for example consist of sheet metal.
  • Fig. 1 is an example shown Eckteil 14 shown separately enlarged.
  • the number of corner pieces 14, 14 ', 14 ", 14"' may in particular correspond to the number of corners of the base 4. In the example shown, therefore, four corner parts 14, 14 ', 14 ", 14"' are provided.
  • a method step b the corner part 14 is produced.
  • the corner part 14 is connected to the box-shaped base part, preferably welded, to form a lamp frame 16 (hereinafter also referred to as frame 16 for short).
  • a lamp frame 16 hereinafter also referred to as frame 16 for short.
  • the luminaire frame 16 can be made continuous, that is to say closed, annularly.
  • this makes the frame 16 can be particularly well trained as a visibly provided part of the lamp without a separate frame element would have to be manufactured as such and connected to the lights tray. The production of the lamp is thereby significantly simplified.
  • a part for example of sheet metal
  • the corner part 14 is formed by reshaping the stamped part.
  • the forming can take place, for example, by deep drawing.
  • the corner part 14 may have a concave surface 18. This further enhances the possibilities for modifying the appearance of the frame 16 improved. For example, this can - as in Fig. 1 shown - a frame 16 are formed, which has a corner portion with a rounding.
  • the lamp frame 16 may be further provided that one of the side walls 6, 8, 10, 12, that is, for example, the side wall 6 of the box-shaped base part is bent. In particular, it can be provided that this bend takes place parallel to the bend through which the relevant side wall 6 is connected to the base 4 of the base part.
  • an upper region of the side wall 6 - or the edge regions of the side wall 6 lying opposite the base surface 4 - is "reshaped" into partial regions of the frame 16.
  • this bending takes place before the method step c), ie before welding to the corner part 16.
  • the frame 16 may in particular be designed so that it has a surface 26 whose surface normal points in the same direction as the surface normal of the base surface 4.
  • the surface 26 of the frame 16 may be oriented so that its surface normal in the direction points in which the main radiation of the lamp is provided; In this case, the surface 16 thus constitutes a visible surface of the frame 16.
  • the frame 16 can thus be made more or less wide in this way.
  • the surface 26 of the frame 16 is formed by two bends 20, 22 of the side wall 6.
  • a further surface 28 of the frame 16 can form, which extends "obliquely" to the adjacent side wall 6.
  • the surface 28 has a normal, which forms an angle with the normal of the base 4 of the base part, which is greater than 0 ° and less than 90 °, preferably greater than 10 ° and less than 80 °, for example 45 ° is.
  • the outer edge of the frame 16 may have a bend 24 that is configured such that the outer portion 30 of the frame 16 is oriented parallel to the side wall 6.
  • the side walls 6, 8 of the base part adjoining the corner part 14 are provided with cutouts at their corresponding corners, so that edges 32, 34 are formed, which each act as abutting edges for connection to corresponding edges 36, 38 of the corner part 14 are provided.
  • edges 32, 34 are formed, which each act as abutting edges for connection to corresponding edges 36, 38 of the corner part 14 are provided.
  • edges 32 and 36 are along a section along the in Fig. 2 sketched line AA sketchy. These edges 32, 36 may be provided as abutting edges in the connection of the corner part 14 with the base part.
  • welding spots 40 can be provided, which are set in method step c).
  • the welding spots 40 are preferably arranged opposite the visible side of the frame 16. With “visible side” of the frame 16, that side is designated, which can be seen in the finished luminaire with a view of the light exit area. With reference to the representation of Fig. 2 Thus, the welding spots 40 are arranged “below" the frame 16.
  • the base part may be formed from a sheet stamped part.
  • the punching burrs 42, 44 are formed so that they lie exclusively in planes that are perpendicular to longitudinal axes of adjacent areas of the
  • Luminaire frame 16 are oriented. In this way, it is possible to achieve that the regions of the base part or corner part 14 which are adjacent to the edges 32, 36 and lie opposite with respect to the edges 32, 36 do not lie in an angle and do not enclose an angle smaller than 180 °. Such a "straight-line continuation" across the edges 32, 36 allows the punching burrs 42, 44 to be made particularly invisible. This would not be the case, for example, if a corresponding abutting edge were formed along the concave surface 18.
  • the frame 16 is painted.
  • This can be done for example by powder coating.
  • Fig. 3 is a corresponding paint layer 46 outlined. This can be done in particular such that the lacquer layer 46, the punching burrs 42, 44 covered so that they are no longer visible in the finished lamp by a viewer.
  • the powder coating also increases the value of the lamp.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Herstellen einer Leuchte mit einem Leuchtenrahmen, wobei das Verfahren ein Herstellen eines kastenförmigen Basisteils zur Bildung einer Leuchtenwanne der Leuchte umfasst. Außerdem betrifft die Erfindung eine entsprechende Leuchte.The invention relates to a method for producing a luminaire with a luminaire frame, the method comprising producing a box-shaped base part for forming a luminaire tub of the luminaire. Moreover, the invention relates to a corresponding lamp.

Unter einer "Leuchtenwanne" einer Leuchte wird im vorliegenden Rahmen ein Gebilde verstanden, das im Sinne eines "Leuchtengehäuses" zur Aufnahme von weiteren Bauteilen der Leuchte dient. Üblicherweise wird zur Herstellung einer Leuchtenwanne zunächst ein Blechteil ausgestanzt, aus dem dann durch Biegen ein auf einer Seite offenes, kasten- bzw. quaderförmiges Basisteil der Leuchtenwanne gebildet wird. Dieses Basisteil weist dementsprechend in der Regel eine rechteckige Grundfläche sowie vier Seitenwände auf, die jeweils über 90°-Biegungen mit den entsprechenden Randbereichen der Grundfläche verbunden sind. Die der Grundfläche gegenüberliegende, offene Seite des Basisteils ist somit durch die entsprechenden freien Ränder der Seitenwände begrenzt, die in diesem Sinne einen "Rand" des Basisteils bzw. der Leuchtenwanne darstellen.In the present context, a "luminaire trough" of a luminaire is understood to mean a structure which, in the sense of a "luminaire housing", serves to accommodate further components of the luminaire. Usually, a sheet metal part is first punched out to produce a light sump, then from the bending of a open on one side, box or cuboidal base part of the lamp pan is formed. Accordingly, this base part has, as a rule, a rectangular base area and four side walls which are each connected via 90 ° bends to the corresponding edge areas of the base area. The base surface opposite, open side of the base part is thus limited by the corresponding free edges of the side walls, which represent in this sense an "edge" of the base part or the lamp pan.

Ein Problem bei der Herstellung einer Leuchte unter Zuhilfenahme dieser Vorgehensweise besteht darin, dass der so gebildete Rand des Basisteils bzw. der Leuchtenwanne im Allgemeinen nicht dazu geeignet ist, eine sichtbare Außenfläche der Leuchte zu bilden. Daher muss in der Regel in einem weiteren Schritt ein separates Rand- bzw. Rahmenelement hergestellt werden, das demgemäß als sichtbares Teil geeignet ist und das dann dementsprechend auf den Rand des Basisteils bzw. der Leuchtenwanne aufgebracht wird, so dass es einen Leuchtenrahmen für die Leuchte bildet.A problem with the manufacture of a luminaire with the aid of this procedure is that the edge of the base part or the luminaire trough thus formed is generally not suitable for forming a visible outer surface of the luminaire. Therefore, a separate edge or frame element must usually be produced in a further step, which is accordingly suitable as a visible part and which is then applied accordingly to the edge of the base part or the lamp pan, so that there is a lamp frame for the lamp forms.

Aus der US 2005/0243547 A1 ist eine Leuchte bekannt, zu deren Herstellung zwei an einem Eckenbereich aneinandergrenzende Blendenteile überlappend von einem Eckteil abgedeckt werden.From the US 2005/0243547 A1 a luminaire is known, for the production of which two adjacent to a corner region panel parts are overlapped covered by a corner part.

Aus der US 2004/0114364 A1 ist eine Leuchte mit einem Leuchtenrahmen bekannt, der aus Profilelementen gebildet ist, die an den Ecken über Eckverbinder miteinander verbunden sind.From the US 2004/0114364 A1 a luminaire with a lamp frame is known, which is formed from profile elements, which are connected to each other at the corners via corner joints.

Aus der DE 20 2005 019 446 U1 ist eine Deckenleuchte mit einem Rahmen bekannt, der aus Profilelementen gebildet ist, die an Eckbereichen mittels Verbindungsstücken miteinander verbunden sind.From the DE 20 2005 019 446 U1 a ceiling light is known with a frame which is formed from profile elements which are connected to one another at the corners by means of connecting pieces.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, bei einem entsprechenden Verfahren die Herstellung der Leuchte zu vereinfachen. Außerdem soll eine entsprechende Leuchte angegeben werden, die einfacher hergestellt werden kann. Diese Aufgabe wird gemäß der Erfindung mit den in den unabhängigen Ansprüchen genannten Gegenständen gelöst. Besondere Ausführungsarten der Erfindung sind in den abhängigen Ansprüchen angegeben.The present invention is based on the object to simplify the production of the lamp in a corresponding method. In addition, a corresponding light should be specified, which can be made easier. This object is achieved according to the invention with the objects mentioned in the independent claims. Particular embodiments of the invention are indicated in the dependent claims.

Gemäß der Erfindung ist ein Verfahren zum Herstellen einer Leuchte mit einem Leuchtenrahmen vorgesehen, das den folgenden Schritt umfasst: a) Herstellen eines kastenförmigen Basisteils zur Bildung einer Leuchtenwanne der Leuchte, wobei das Basisteil eine Grundfläche und Seitenwände aufweist, die über 90°-Biegungen mit entsprechenden Randbereichen der Grundfläche verbunden sind. Weiterhin umfasst das Verfahren die weiteren Schritte b) Herstellen eines Eckteils und c) Verbinden des Eckteils mit dem kastenförmigen Basisteil zur Bildung des Leuchtenrahmens (im Folgenden auch kurz "Rahmen" genannt).According to the invention, there is provided a method of manufacturing a luminaire with a luminaire frame, comprising the following step: a) producing a box-shaped base part to form a luminaire trough of the luminaire, the base part having a base surface and side walls having 90 ° bends corresponding edge regions of the base are connected. Furthermore, the method comprises the further steps b) producing a corner part and c) connecting the corner part to the box-shaped base part to form the light frame (also referred to below as "frame" for short).

Durch das Verbinden des Eckteils mit dem kastenförmigen Basisteil lässt sich ein durchgehender bzw. umlaufender, als sichtbar vorgesehener Rahmen für die Leuchtenwanne bzw. für die Leuchte bilden, ohne dass ein separates Rahmenelement als solches hergestellt und mit der Leuchtenwanne verbunden werden müsste. Die Herstellung der Leuchte ist dadurch deutlich vereinfacht.By connecting the corner part with the box-shaped base part, a continuous or peripheral, provided as visible frame for the lamp pan or for the lamp can be formed without a separate frame element as such would have to be made and connected to the lamp cover. The production of the lamp is thereby significantly simplified.

Erfindungsgemäß erfolgt dabei in Schritt c) das Verbinden durch Verschweißen.In accordance with the invention, in step c) the joining takes place by welding.

Vorteilhaft weist dabei der Schritt b) folgende Teilschritte auf: b1) Ausstanzen eines Teils und b2) Bilden des Eckteils durch Umformen des in Schritt b1) ausgestanzten Teils. Hierdurch kann der Rahmen so gestaltet werden, dass er eine - mit Bezug auf die Seitlenwände des kastenförmigen Basisteils - schräge Fläche aufweist. Auf diese Weise können besondere Anforderungen an das äußere Erscheinungsbild des Rahmens erfüllt werden. Bei dem in Teilschritt b2) genannten Umformen kann es sich zum Beispiel um ein Tiefziehen handeln.In this case, step b) advantageously has the following substeps: b1) punching out a part and b2) forming the corner part by forming the part punched out in step b1). In this way, the frame can be designed so that it has an inclined surface with respect to the side walls of the box-shaped base part. In this way, special requirements for the external appearance of the frame can be met. The forming referred to in sub-step b2) may be, for example, deep-drawing.

Vorteilhaft weist das Eckteil eine konkave Fläche auf. Hierdurch sind die Möglichkeiten zur Modifizierung des Erscheinungsbilds des Rahmens weiter verbessert. Beispielsweise kann dadurch ein Rahmen gebildet werden, der einen Eckbereich mit einer Abrundung aufweist.Advantageously, the corner part has a concave surface. As a result, the possibilities for modifying the appearance of the frame are further improved. For example, a frame may be formed thereby, which has a corner region with a rounded portion.

Vorteilhaft wird eine Seitenwand des kastenförmigen Basisteils zur Bildung des Leuchtenrahmens gebogen. Hierdurch lässt sich der Leuchtenrahmen insbesondere auf einfache Weise mehr oder weniger breit gestalten. Besonders vorteilhaft wird die Seitenwand dabei wenigstens zweimal gebogen. Hierdurch lässt sich der Leuchtenrahmen so gestalten, dass er einen Wandbereich mit einer Fläche aufweist, deren Flächennormale mit der Normale der Grundfläche des Basisteils einen Winkel einschließt, der größer als 0° und kleiner als 90°, vorzugsweise größer als 10° und kleiner als 80°, beispielswiese 45° ist. Eine derartige "schräge" Fläche ermöglicht, dass von der Leuchte abgestrahltes Licht den Leuchtenrahmen erhellt; dies trägt zu einem positiven Erscheinungsbild der Leuchte bei.Advantageously, a side wall of the box-shaped base part is bent to form the lamp frame. As a result, the lamp frame can be made more or less wide in a simple way, in particular. Particularly advantageously, the side wall is bent at least twice. In this way, the lamp frame can be designed so that it has a wall area with a surface whose surface normal with the normal of the base of the base part forms an angle greater than 0 ° and less than 90 °, preferably greater than 10 ° and less than 80 °, for example 45 °. Such an "oblique" surface allows light radiated from the luminaire to illuminate the luminaire frame; this contributes to a positive appearance of the luminaire.

Vorteilhaft weisen das Basisteil und das Eckteil Stanzgrate auf, wobei in Schritt c) die Stanzgrate zu einer Seite hin weisen, die als Sichtseite der Leuchte vorgesehen ist. Auf diese Weise kann der Rahmen so gestaltet werden, dass bei der fertiggestellten Leuchte keine Übergangsbereiche zwischen dem Eckteil und den daran angrenzenden Bereichen des Leuchtenrahmens erkennbar sind.Advantageously, the base part and the corner part punching burrs, wherein in step c) the punching burrs point to a side that is provided as the visible side of the lamp. In this way, the frame can be designed so that in the finished luminaire no transition areas between the corner part and the adjoining areas of the lamp frame can be seen.

Besonders vorteilhaft liegen hierzu die Stanzgrate ausschließlich in Ebenen, die senkrecht bzw. normal zu Längsachsen angrenzender Bereiche des Leuchtenrahmens orientiert sind. Dadurch lassen sich die Stanzgrate besonders unauffällig ausbilden.For this purpose, the burrs are particularly advantageous only in planes that are oriented perpendicular or normal to longitudinal axes of adjacent areas of the lamp frame. This allows the burrs form particularly inconspicuous.

Vorteilhaft wird der nach Schritt c) gebildete Leuchtenrahmen in einem weiteren Schritt d) lackiert. Beispielswiese kann dies in Form einer Pulverbeschichtung erfolgen. Hierdurch lässt sich auf einfache Weise erzielen, dass Übergänge zwischen dem Eckteil und angrenzenden Bereichen des Leuchtenrahmens als solche bei der Betrachtung der fertiggestellten Leuchte von außen nicht oder zumindest praktisch nicht erkennbar sind.Advantageously, the luminaire frame formed after step c) is painted in a further step d). For example, this can be done in the form of a powder coating. This makes it possible to achieve in a simple manner that transitions between the corner part and adjacent areas of the lamp frame as such when viewing the finished lamp from the outside are not or at least practically not visible.

Gemäß einem weiteren Aspekt der Erfindung ist eine Leuchte mit einem Leuchtenrahmen vorgesehen, die nach einem erfindungsgemäßen Verfahren hergestellt ist. Der Leuchtenrahmen der Leuchte weist dabei vorteilhaft in einem durch das Eckteil gebildeten Bereich eine Abrundung auf.According to a further aspect of the invention, a luminaire is provided with a luminaire frame, which is produced by a method according to the invention. The luminaire frame of the luminaire advantageously has a rounding in a region formed by the corner part.

Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels und mit Bezug auf die Zeichnungen näher erläutert. Es zeigen:

Fig. 1
eine skizzenhafte Darstellung zu einem Ausführungsbeispiel einer Leuchtenwanne einer erfindungsgemäßen Leuchte,
Fig. 2
eine Skizze zu einem Eckbereich der in Fig. 1 gezeigten Leuchtenwanne und
Fig. 3
eine Skizze eines Querschnitts längs der in Fig. 2 mit A - A bezeichneten Linie.
The invention is explained in more detail below with reference to an embodiment and with reference to the drawings. Show it:
Fig. 1
a sketchy representation of an embodiment of a light well of a lamp according to the invention,
Fig. 2
a sketch to a corner of the in Fig. 1 shown lamp tray and
Fig. 3
a sketch of a cross section along in Fig. 2 A - A labeled line.

In Fig. 1 ist eine Leuchtenwanne 2 eines Ausführungsbeispiels einer erfindungsgemäßen Leuchte dargestellt. Die Leuchtenwanne 2 dient in an sich bekannter Weise der Aufnahme weiterer Bauteile der Leuchte, beispielsweise eines Reflektors, eines Leuchtmittels und so weiter. Die Leuchtenwanne 2 kann in diesem Sinne ein Leuchtengehäuse bilden.In Fig. 1 a luminaire trough 2 of an embodiment of a luminaire according to the invention is shown. The luminaire pan 2 is used in a conventional manner for receiving further components of the luminaire, for example a reflector, a luminous means and so on. The luminaire tub 2 can form a luminaire housing in this sense.

Die Leuchtenwanne 2 umfasst gemäß dem Ausführungsbeispiel ein auf einer Seite offenes, kasten- bzw. quaderförmiges Basisteil. Dieses Basisteil kann eine rechteckige Grundfläche 4 und Seitenwände 6, 8, 10, 12 aufweisen, die über 90°-Biegungen mit den entsprechenden Randbereichen der Grundfläche 4 verbunden sind. Bei der in Fig. 1 gezeigten Ansicht ist das Basisteil also "oben" offen. Auf diese Weise ist der Grundfläche 4 gegenüber liegend eine Öffnung des Basisteils gebildet, wobei sich die freien, nach oben weisenden Ränder der Seitenwände 6, 8, 10, 12 längs des Rands dieser Öffnung erstrecken. Die Öffnung kann insbesondere einen Lichtaustrittsbereich der Leuchte festlegen.The luminaire trough 2 according to the exemplary embodiment comprises a box-shaped or cuboidal base part which is open on one side. This base part may have a rectangular base 4 and side walls 6, 8, 10, 12, which are connected by 90 ° bends with the corresponding edge regions of the base 4. At the in Fig. 1 As shown, the base part is thus "open". In this way, the base 4 is formed opposite to an opening of the base part, wherein the free, upwardly facing edges of the side walls 6, 8, 10, 12 extend along the edge of this opening. In particular, the opening can define a light exit area of the luminaire.

Grundsätzlich kann die Grundfläche 4 des Basisteils auch dreieckig, fünfeckig sechseckig, usw. sein, so dass die Anzahl der entsprechenden Seitenwände dementsprechend variieren kann. Demgemäß kann auch die Anzahl der Eckbereiche der durch das Basisteil gebildeten Öffnung variieren.In principle, the base 4 of the base part can also be triangular, pentagonal, hexagonal, etc., so that the number of corresponding side walls can vary accordingly. Accordingly, the number of corner portions of the opening formed by the base member may also vary.

Das Basisteil kann aus einem ausgestanzten Blechteil bestehen, das zur Bildung der Seitenwände 6, 8, 10, 12 entsprechende Biegungen aufweist, die sich längs des Randes der Grundfläche 4 erstrecken.The base part may consist of a stamped-out sheet-metal part which has corresponding bends for forming the side walls 6, 8, 10, 12, which extend along the edge of the base surface 4.

Zur Herstellung einer erfindungsgemäßen Leuchte kann in einem Verfahrensschritt a) ein solches kastenförmiges Basisteil zur Bildung einer Leuchtenwanne hergestellt werden.To produce a luminaire according to the invention, in a method step a) such a box-shaped base part can be produced to form a luminaire trough.

Die Leuchtenwanne 2 umfasst neben dem Basisteil noch mehrere Eckteile 14, 14', 14", 14"'. Die Eckteile 14, 14', 14", 14'" können beispielsweise aus Blech bestehen. In Fig. 1 ist ein beispielhaft gezeigtes Eckteil 14 separat vergrößert dargestellt. Die Anzahl der Eckteile 14, 14', 14", 14"' kann insbesondere der Anzahl der Ecken der Grundfläche 4 entsprechen. Im gezeigten Beispiel sind also vier Eckteile 14, 14', 14", 14"' vorgesehen.The luminaire trough 2 comprises, in addition to the base part, a plurality of corner parts 14, 14 ', 14 ", 14"'. The corner parts 14, 14 ', 14 ", 14'" may for example consist of sheet metal. In Fig. 1 is an example shown Eckteil 14 shown separately enlarged. The number of corner pieces 14, 14 ', 14 ", 14"' may in particular correspond to the number of corners of the base 4. In the example shown, therefore, four corner parts 14, 14 ', 14 ", 14"' are provided.

In einem Verfahrensschritt b) wird das Eckteil 14 hergestellt.In a method step b), the corner part 14 is produced.

Weiterhin wird in einem Verfahrensschritt c) das Eckteil 14 zur Bildung eines Leuchtenrahmens 16 (im Folgenden auch kurz Rahmen 16) mit dem kastenförmigen Basisteil verbunden, vorzugswiese verschweißt. Durch dieses Verbinden bzw. Verschweißen des Eckteils 14 mit dem kastenförmigen Basisteil lässt sich der Leuchtenrahmen 16 durchgehend, also geschlossen ringförmig gestalten. Außerdem lässt sich hierdurch der Rahmen 16 besonders gut als sichtbar vorgesehenes Teil der Leuchte ausbilden, ohne dass ein separates Rahmenelement als solches hergestellt und mit der Leuchtenwanne verbunden werden müsste. Die Herstellung der Leuchte ist dadurch deutlich vereinfacht.Furthermore, in a method step c), the corner part 14 is connected to the box-shaped base part, preferably welded, to form a lamp frame 16 (hereinafter also referred to as frame 16 for short). As a result of this connection or welding of the corner part 14 to the box-shaped base part, the luminaire frame 16 can be made continuous, that is to say closed, annularly. In addition, this makes the frame 16 can be particularly well trained as a visibly provided part of the lamp without a separate frame element would have to be manufactured as such and connected to the lights tray. The production of the lamp is thereby significantly simplified.

Zur Herstellung des Eckteils 14 in Verfahrensschritt b) kann vorgesehen sein, dass in einem Teilschritt b1) ein Teil, beispielsweise aus Blech, ausgestanzt wird und in einem anschließenden Teilschritt b2) das Eckteil 14 durch Umformen des ausgestanzten Teils gebildet wird. Das Umformen kann beispielswiese durch Tiefziehen erfolgen.To produce the corner part 14 in method step b), it may be provided that in a partial step b1) a part, for example of sheet metal, is punched out and in a subsequent partial step b2) the corner part 14 is formed by reshaping the stamped part. The forming can take place, for example, by deep drawing.

Das Eckteil 14 kann eine konkave Fläche 18 aufweisen. Hierdurch sind die Möglichkeiten zur Modifizierung des Erscheinungsbilds des Rahmens 16 weiter verbessert. Beispielsweise kann dadurch - wie in Fig. 1 gezeigt - ein Rahmen 16 gebildet werden, der einen Eckbereich mit einer Abrundung aufweist.The corner part 14 may have a concave surface 18. This further enhances the possibilities for modifying the appearance of the frame 16 improved. For example, this can - as in Fig. 1 shown - a frame 16 are formed, which has a corner portion with a rounding.

Wie aus der Detailansicht der Fig. 2 hervorgeht, kann zur Bildung des Leuchtenrahmens 16 weiterhin vorgesehen sein, dass eine der Seitenwände 6, 8, 10, 12, also beispielsweise die Seitenwand 6 des kastenförmigen Basisteils gebogen wird. Insbesondere kann vorgesehen sein, dass diese Biegung parallel zu derjenigen Biegung erfolgt, durch die die betreffende Seitenwand 6 mit der Grundfläche 4 des Basisteils verbunden ist.As seen from the detail view of Fig. 2 it can be seen that for the formation of the lamp frame 16 may be further provided that one of the side walls 6, 8, 10, 12, that is, for example, the side wall 6 of the box-shaped base part is bent. In particular, it can be provided that this bend takes place parallel to the bend through which the relevant side wall 6 is connected to the base 4 of the base part.

Durch diesen Verfahrensschritt wird ein oberer Bereich der Seitenwand 6 - bzw. der der Grundfläche 4 gegenüberliegende Randbereiche der Seitenwand 6 - zu Teilbereichen des Rahmens 16 "umgebildet". Insbesondere kann vorgesehen sein, dass dieses Biegen vor dem Verfahrensschritt c), also vor dem Verschweißen mit dem Eckteil 16 erfolgt. Entsprechendes gilt für die restlichen Seitenwände 8, 10, 12.By means of this method step, an upper region of the side wall 6 - or the edge regions of the side wall 6 lying opposite the base surface 4 - is "reshaped" into partial regions of the frame 16. In particular, it can be provided that this bending takes place before the method step c), ie before welding to the corner part 16. The same applies to the remaining side walls 8, 10, 12th

Auf diese Weise kann der Rahmen 16 insbesondere so gestaltet werden, dass er eine Fläche 26 aufweist, deren Flächennormale in dieselbe Richtung weist, wie die Flächennormale der Grundfläche 4. Die Fläche 26 des Rahmens 16 kann so orientiert sein, dass ihre Flächennormale in die Richtung weist, in der die Hauptabstrahlung der Leuchte vorgesehen ist; die Fläche 16 stellt in diesem Fall also eine Sichtfläche des Rahmens 16 dar. Der Rahmen 16 lässt sich auf diese Weise sehr einfach mehr oder weniger breit gestalten.In this way, the frame 16 may in particular be designed so that it has a surface 26 whose surface normal points in the same direction as the surface normal of the base surface 4. The surface 26 of the frame 16 may be oriented so that its surface normal in the direction points in which the main radiation of the lamp is provided; In this case, the surface 16 thus constitutes a visible surface of the frame 16. The frame 16 can thus be made more or less wide in this way.

Zur Bildung der Fläche 26 können auch wenigstens zwei, vorzugsweise parallele Biegungen vorgesehen sein. Bei dem in Fig. 2 gezeigten Beispiel ist die Fläche 26 des Rahmens 16 durch zwei Biegungen 20, 22 der Seitenwand 6 gebildet. Auf diese Weise lässt sich eine weitere Fläche 28 des Rahmens 16 bilden, die "schräg" zu der angrenzenden Seitenwand 6 verläuft. Beispielsweise kann vorgesehen sein, dass die Fläche 28 eine Normale aufweist, die mit der Normalen der Grundfläche 4 des Basisteils einen Winkel einschließt, der größer als 0° und kleiner als 90°, vorzugsweise größer als 10° und kleiner als 80°, also beispielsweise 45° ist.To form the surface 26, at least two, preferably parallel bends may be provided. At the in Fig. 2 As shown, the surface 26 of the frame 16 is formed by two bends 20, 22 of the side wall 6. In this way, a further surface 28 of the frame 16 can form, which extends "obliquely" to the adjacent side wall 6. For example, it can be provided that the surface 28 has a normal, which forms an angle with the normal of the base 4 of the base part, which is greater than 0 ° and less than 90 °, preferably greater than 10 ° and less than 80 °, for example 45 ° is.

Es können auch noch weitere Biegungen vorgesehen sein; beispielswiese kann der äußere Rand des Rahmens 16 eine Biegung 24 aufweisen, die derart gestaltet ist, dass der äußere Bereich 30 des Rahmens 16 parallel zu der Seitenwand 6 orientiert ist.There may also be provided further bends; For example, the outer edge of the frame 16 may have a bend 24 that is configured such that the outer portion 30 of the frame 16 is oriented parallel to the side wall 6.

Zur Ausbildung des Bereichs um das Eckteil 14 kann vorgesehen sein, dass die an das Eckteil 14 angrenzenden Seitenwände 6, 8 des Basisteils an ihren entsprechenden Ecken mit Ausschnitten versehen werden, so dass Kanten 32, 34 gebildet sind, die jeweils als Stoßkanten zur Verbindung mit korrespondierenden Kanten 36, 38 des Eckteils 14 vorgesehen sind. Durch derartige Ausschnitte lässt sich erzielen, dass die betreffenden Seitenwände 6, 8 Randbereiche 48, 50 aufweisen, die eine zur Grundfläche 4 des Basisteils senkrecht verlaufende Kante des Basisteils bilden.To form the area around the corner part 14, it can be provided that the side walls 6, 8 of the base part adjoining the corner part 14 are provided with cutouts at their corresponding corners, so that edges 32, 34 are formed, which each act as abutting edges for connection to corresponding edges 36, 38 of the corner part 14 are provided. By means of such cutouts, it is possible to achieve that the respective side walls 6, 8 have edge regions 48, 50 which form an edge of the base part running perpendicular to the base surface 4 of the base part.

In Fig. 3 sind exemplarisch die Kanten 32 und 36 längs eines Schnitts entlang der in Fig. 2 skizzierten Linie A-A skizzenhaft dargestellt. Diese Kanten 32, 36 können als Stoßkanten bei der Verbindung des Eckteils 14 mit dem Basisteil vorgesehen sein.In Fig. 3 By way of example, the edges 32 and 36 are along a section along the in Fig. 2 sketched line AA sketchy. These edges 32, 36 may be provided as abutting edges in the connection of the corner part 14 with the base part.

Zur Verbindung des Eckteils 14 mit dem Basisteil können Schweißpunkte 40 vorgesehen sein, die in Verfahrensschritt c) gesetzt werden. Die Schweißpunkte 40 sind vorzugsweise der Sichtseite des Rahmens 16 gegenüberliegend angeordnet. Mit "Sichtseite" des Rahmens 16 ist dabei diejenige Seite bezeichnet, die bei der fertiggestellten Leuchte bei Blick auf den Lichtaustrittsbereich zu erkennen ist. Mit Bezug auf die Darstellung der Fig. 2 sind die Schweißpunkte 40 also "unter" dem Rahmen 16 angeordnet.To connect the corner part 14 to the base part, welding spots 40 can be provided, which are set in method step c). The welding spots 40 are preferably arranged opposite the visible side of the frame 16. With "visible side" of the frame 16, that side is designated, which can be seen in the finished luminaire with a view of the light exit area. With reference to the representation of Fig. 2 Thus, the welding spots 40 are arranged "below" the frame 16.

Das Basisteil kann aus einem aus Blech ausgestanzten Teil gebildet sein. Dasselbe gilt für das Eckteil 14. Daher können, wie in Fig. 3 skizziert, diese beiden Teile an ihren Kanten 32, 36 Stanzgrate 42, 44 aufweisen. Vorteilhaft ist vorgesehen, dass diese Stanzgrate 42, 44 zur Sichtseite des Rahmens 16 hin weisend angeordnet werden. Hierdurch wird ermöglicht, dass die Verbindungen des Eckteils 14 mit den angrenzenden Bereichen des Rahmens 16 bzw. der Seitenwände 6, 8 bei der fertiggestellten Leuchte praktisch nicht mehr zu erkennen sind.The base part may be formed from a sheet stamped part. The same applies to the corner part 14. Therefore, as in Fig. 3 sketched, these two parts at their edges 32, 36 punching burrs 42, 44 have. It is advantageously provided that these punching burrs 42, 44 are arranged pointing towards the visible side of the frame 16. This makes it possible that the connections of the corner portion 14 with the adjacent areas of the frame 16 and the side walls 6, 8 in the finished luminaire are practically no longer visible.

Vorzugsweise werden die Stanzgrate 42, 44 derart gebildet, dass sie ausschließlich in Ebenen liegen, die senkrecht zu Längsachsen angrenzender Bereiche desPreferably, the punching burrs 42, 44 are formed so that they lie exclusively in planes that are perpendicular to longitudinal axes of adjacent areas of the

Leuchtenrahmens 16 orientiert sind. Hierdurch lässt sich erzielen, dass die an die Kanten 32, 36 angrenzenden und mit Bezug auf die Kanten 32, 36 gegenüberliegenden Bereiche von Basisteil bzw. Eckteil 14 in einer Ebene liegen und nicht einen Winkel kleiner als 180° einschließen. Eine derart "geradlinige Fortsetzung" über die Kanten 32, 36 hinweg ermöglicht, dass die Stanzgrate 42, 44 besonders gut unsichtbar gemacht werden können. Dies wäre beispielsweise nicht der Fall, wenn eine entsprechende Stoßkante längs der konkaven Fläche 18 gebildet wäre.Luminaire frame 16 are oriented. In this way, it is possible to achieve that the regions of the base part or corner part 14 which are adjacent to the edges 32, 36 and lie opposite with respect to the edges 32, 36 do not lie in an angle and do not enclose an angle smaller than 180 °. Such a "straight-line continuation" across the edges 32, 36 allows the punching burrs 42, 44 to be made particularly invisible. This would not be the case, for example, if a corresponding abutting edge were formed along the concave surface 18.

Vorzugweise wird in einem weiteren Verfahrensschritt d) nach Bildung des Rahmens 16 der Rahmen 16 lackiert. Dies kann beispielsweise durch Pulverbeschichtung erfolgen. In Fig. 3 ist eine entsprechende Lackschicht 46 skizziert. Dies kann insbesondere derart erfolgen, dass die Lackschicht 46 die Stanzgrate 42, 44 so überdeckt, dass sie bei der fertiggestellten Leuchte von einem Betrachter nicht mehr zu sehen sind. Die Pulverbeschichtung erhöht außerdem die Wertigkeit der Leuchte.Preferably, in a further method step d) after formation of the frame 16, the frame 16 is painted. This can be done for example by powder coating. In Fig. 3 is a corresponding paint layer 46 outlined. This can be done in particular such that the lacquer layer 46, the punching burrs 42, 44 covered so that they are no longer visible in the finished lamp by a viewer. The powder coating also increases the value of the lamp.

Claims (10)

  1. Method for manufacturing a luminaire with a luminaire frame (16), comprising the steps of:
    a) forming a box-shaped base part to form a luminaire housing (2) of the lamp, wherein the base part has a base (4) and side walls (6, 8, 10, 12) which are connected to the corresponding edge portions of the base surface (4) via bends,
    b) forming a corner part (14), and
    c) connecting the corner part (14) with the box-shaped base part to form the luminaire frame (16),
    characterized in that,
    the bends are 90° bends, and
    the joining in step c) is through welding.
  2. Method according to claim 1,
    wherein step b) comprises the following sub-steps: b1) punching out a part, and b2) forming the corner part (14) by deformation of the punched part.
  3. Method according to any one of the preceding claims, wherein the corner part (14) has a concave surface (18).
  4. Method according to any one of the preceding claims,
    wherein one side wall (6) of the box-shaped base part is bent to form the luminaire frame (16) of the luminaire.
  5. Method according to claim 4,
    wherein the side wall (6) for forming the luminaire frame (16) of the luminaire is bent at least twice.
  6. Method according to any one of the preceding claims,
    wherein the base part and the corner part (14) have punching burrs (42, 44), while in step c) the punching burrs (42, 44) point away on a side provided as the visible side of the luminaire.
  7. Method according to claim 6,
    wherein the punching burrs (42, 44) lie exclusively in planes that are oriented perpendicular to the longitudinal axes of adjacent areas of the luminaire frame (16).
  8. Method according to any one of the preceding claims,
    wherein the luminaire frame (16) formed according to step c) is painted in a further step d), preferably by means of powder coating.
  9. Luminaire with a Luminaire frame, prepared by one of the methods specified in claims 1 to 8.
  10. Luminaire according to claim 9,
    wherein the region of the luminaire frame (16) formed by the corner part (14) is rounded.
EP10158993.5A 2009-04-06 2010-04-01 Method for producing a light with a light frame Active EP2239496B1 (en)

Applications Claiming Priority (1)

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DE102009016567A DE102009016567A1 (en) 2009-04-06 2009-04-06 Method for producing a luminaire with a luminaire frame

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013105703U1 (en) * 2013-12-16 2015-03-17 Zumtobel Lighting Gmbh Luminaire with a frame element
AT15737U1 (en) * 2016-11-28 2018-05-15 Zumtobel Lighting Gmbh Elongated light
DE102017120533A1 (en) * 2017-09-06 2019-03-07 Benteler Automobiltechnik Gmbh Battery carrier and method for producing the battery carrier
DE102019112687A1 (en) * 2019-05-15 2020-11-19 Zumtobel Lighting Gmbh Tub-shaped luminaire housing

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE7633912U1 (en) * 1976-10-28 1977-08-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt LIGHT HOUSING MADE OF A GUTTER-SHAPED ROOF SHEET AND ADDED FRONT PANELS
DE3717281A1 (en) * 1987-05-22 1988-12-01 White Screen Spezialleuchten G Illuminating device
DE19950447B4 (en) * 1999-10-19 2004-12-02 Schatzmann, Jürg, Dr.-Ing. Lighting unit and process for its manufacture
US20040114364A1 (en) 2002-12-11 2004-06-17 Wen-Tsung Chen Lighting mounting structure
DE20309141U1 (en) * 2003-06-13 2003-09-04 Stracke Frank Under floor electrical lighting unit is of stainless steel and is enclosed by a glass panel
US20050243547A1 (en) 2004-04-28 2005-11-03 Sam Cini Light mounting fixture for intersecting surfaces of variable length and method for installing same
DE202005019446U1 (en) 2005-12-09 2006-02-09 Regiolux Gmbh Ceiling light with light fixture body for installation on room ceiling and arrangement of lamp device has reflector arranged on light fixture body so that it extends between lamp level and ceiling connection level of light fixture body
DE202007003920U1 (en) * 2007-03-16 2007-06-06 Broll Cnc-Metalltechnik Light e.g. tunnel light, has light body and frame shaped cover, where body is manufactured from metal casing that is formed as single piece, and support bar units are formed by lateral folding of metal casing

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