EP2166280B1 - Light with magnetic holder for hanging an attachment element to a light housing - Google Patents

Light with magnetic holder for hanging an attachment element to a light housing Download PDF

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Publication number
EP2166280B1
EP2166280B1 EP09170387.6A EP09170387A EP2166280B1 EP 2166280 B1 EP2166280 B1 EP 2166280B1 EP 09170387 A EP09170387 A EP 09170387A EP 2166280 B1 EP2166280 B1 EP 2166280B1
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EP
European Patent Office
Prior art keywords
housing
luminaire
luminaire housing
magnet
suspended
Prior art date
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Application number
EP09170387.6A
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German (de)
French (fr)
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EP2166280A1 (en
Inventor
Michael Spiegel
Wolfgang Bechter
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Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Publication of EP2166280A1 publication Critical patent/EP2166280A1/en
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Classifications

    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/105—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a luminaire according to the preamble of claim 1, which has a trough-shaped luminaire housing for receiving at least one light source and an attachment element to be fastened to the luminaire housing, the attachment of the attachment element to the housing being effected with the aid of a magnet holder.
  • Such a lamp is for example from the DE 10 2004 044 175 A1 the applicant known.
  • a magnetic holder is used to attach a transparent or translucent cover to a trough-shaped lamp housing, wherein the light output of the lamp then takes place via this cover.
  • An advantage of the magnetic holder is that this can be dispensed with fasteners, which are accessible from the outside of the lamp or the cover forth or are visible from the outside. Arranging or removing the cover from the luminaire housing can thus be carried out in a simple manner without the means for mounting impairing the appearance of the luminaire.
  • the magnetic holder is in the light of DE 10 2004 044 175 A1 realized in that several magnets are mounted within the lamp housing. These interact with the metallic frame of the cover. The magnets are fastened in each case by means of a screw connection to corresponding support elements in the luminaire housing.
  • This magnet holder learns in a lamp according to the CH 363088 A further improvement.
  • This document shows a lamp with a magnetic holder, which is formed from a permanent magnet and an opposite ferromagnetic holder. Furthermore, it is disclosed that one of the two elements, holder or magnet, can be arranged to be movable. Furthermore, a pendulum suspension of a holder is described. The holder is suspended in a bolted retaining plate with a head bolt and mounted oscillating with respect to the lamp housing in joint sockets, so that an improved closure effect results. Nevertheless, twisting of the housing can contribute to unintentional release of the closure.
  • the present invention is based on the object, based on the above-mentioned prior art, to further improve the holder for the transparent cover.
  • the object is achieved by a luminaire with the features of claim 1.
  • Advantageous developments of the invention are the subject of the dependent claims.
  • the solution according to the invention is based on the idea of one of the two holding elements, which are arranged on the one hand on the lamp housing and on the other hand on the attachment element and cooperatively form the Magnetetaria to arrange pendulum on the lamp housing.
  • the pendulum-suspended holding element may in particular be a magnet.
  • a luminaire with a trough-shaped luminaire housing for receiving at least one light source, an attachment element to be fastened to the luminaire housing, and closure means for releasably attaching the attachment to the luminaire housing, the closure means comprising at least two retaining elements arranged on the luminaire housing and the attachment element have, which cooperatively form a magnet holder, and wherein according to the invention arranged on the lamp housing holding member is suspended pendulum.
  • the oscillating suspension of the holding element leads in comparison to a screw fastening of the magnet to the fact that the attachment of the attachment element is simplified to the lamp housing. Since the holding element has a greater freedom of movement, it is achieved that when attaching the attachment element to the luminaire housing a large-scale merger between the holding elements is already achieved at an earlier time. Due to the mobility of the retaining element further tolerances can be compensated, so that ultimately an optimized arrangement of the add-on element, which may in particular be a cover for the lamp housing, is achieved.
  • the retaining element is suspended from a separate mounting part fastened to the luminaire housing, this being a sheet-metal part arranged in particular at the bottom of the luminaire housing.
  • the sheet metal part may be attached, for example by means of a screw on the lamp housing, wherein according to a particularly preferred embodiment, the sheet metal part is angled and a leg of the Sheet metal part engages behind at least one formed on the lamp housing projection. In this case, it is sufficient to fasten the sheet metal part with only a single screw to the housing bottom in order to achieve a reliable support.
  • the sheet metal part can also have mounting holes, which coincide in a fixed to the lamp housing state with located on the lamp housing mounting opening. Accordingly, an attachment of the lamp to a ceiling or other suspension elements can be carried out through the sheet metal part, in which case the mounting area of the lamp housing is additionally stabilized.
  • the oscillating suspension of the retaining element is effected in that it is suspended in a suspension opening formed in the mounting part.
  • the retaining element has a conically shaped suspension area, which cooperates with the funnel-shaped suspension opening, so that the oscillating suspension is achieved.
  • the suspension opening is part of a keyhole-shaped hole, through which the arrangement of the holding element is simplified.
  • a plurality of magnetic holders are preferably arranged distributed.
  • a uniform and reliable attachment of the add-on element to the housing is achieved.
  • lamp according to the invention is a so-called ceiling-mounted luminaire, which is provided for mounting on the underside of the ceiling 100 of a room. It should be noted, however, that the present invention is by no means limited to such ceiling mounted luminaires. So could the inventive Concept of course also in other types of mounting for lights, for example, in so-called pendant lights are used.
  • the luminaire 1 has a trough-shaped luminaire housing 2, which is provided for receiving at least one - schematically indicated - light source 4 and an associated lamp operating device 5.
  • a lamp operating device 5 As light sources in particular fluorescent lamps or the like as well as LEDs can be used.
  • the underside of the trough-shaped luminaire housing 2 is closed by a cover 3, via which the light emission of the luminaire 1 takes place.
  • the cover 3 for this purpose a transparent or translucent light exit plate 6, which is held by a peripheral frame 7.
  • This cover 3 is detachably attached to the lamp housing 2, so that it can be removed from the housing 2 for maintenance purposes.
  • the interior of the housing 2 is then accessible, so that, for example, the lamp 4 can be replaced.
  • the releasable attachment of the cover 3 to the housing 2 is carried out according to the invention by a plurality of magnetic holders 10, which are provided in the edge region of the housing 2.
  • each of these brackets 10, a first holding part in the form of a magnet 11 which is fixed to the lamp housing 2 in a manner to be described later.
  • the magnet 11 cooperates with a provided on the cover 3 counter element, which forms a second holding part together, said counter element is formed in the present case by the metallic frame 7. If the cover 3 is attached to the lamp housing 2, then the metallic frame 7 snaps onto the magnets 11 of the individual holders 10, so that the cover is securely fixed to the housing 2.
  • the advantage of this magnetic holder is that the closure means for holding the cover 3 are completely inside the lamp 1, so are not visible from the outside. As a result, the overall visual impression of the lamp 1 is improved.
  • FIG. 3 first shows the embodiment of a single magnet 11, which has an annular housing 12 in which a disc-shaped permanent magnet 13 is arranged. From the back of the housing 12 extends a pin-like Suspension region 14 with an end region 15, hereinafter also referred to as head, which is conical on its side facing the housing 12. This conical contact surface 16 causes the magnet 11 can be suspended pendulum.
  • the magnet 11 could also be hung on the luminaire housing 2 itself, but according to the present invention, a separate support member in the form of a sheet metal part 20 is provided, which is angled and a first base 21 and a side leg angled by about 90 ° 22 has.
  • This sheet metal part 20 is - as described later - attached to the lamp housing 2.
  • the base 21 has in its central region a keyhole-like passage opening 23, which on the one hand has a large hole 24a and an adjacent, slightly smaller hole 24b.
  • the diameter of the larger hole 24a is dimensioned such that the head 15 of the suspension portion 14 of the magnet 11 can be passed.
  • the smaller hole 24b in turn is smaller in size compared to the circumference of the head 15, so that falling out of the suspended therein head 15 is prevented.
  • the magnet 11 is thereby hooked in a simple manner to the sheet metal part 20 that this is first introduced according to the arrow I with its head 15 in the larger hole 24a and then perpendicular to this along the direction II in the smaller hole 24b is moved ,
  • the hanging of the magnet 11 in the sheet metal part 20 can thus be done without the use of a tool.
  • a peculiarity of the small hole 24b is that it has a funnel-shaped embossment 25 at its periphery.
  • FIG. 6 shows the arrangement of the sheet metal part 20 on the lamp housing 2, wherein initially it can be seen that the leg 22 of the sheet metal part 20 protrusions 2b engages behind, which are formed on the side wall 2a of the housing 2. At the same time, the sheet metal part 20 is fixed by means of a screw 35 in the housing bottom, said screw 35, the first opening 30 passes through.
  • the sheet metal part 20 is firmly fixed to the housing 2, since the screw 35th on the one hand prevents a displacement in the plane of the housing bottom and on the other hand by the engagement behind the projections 2b tilting of the sheet metal part 20 is prevented.
  • the two further openings 31 of the sheet-metal part 20 are aligned in alignment with corresponding openings in the housing bottom.
  • two the sheet metal part and the housing bottom by cross-openings are formed, which can be used to attach the lamp housing 2 to a ceiling or other suspension element.
  • FIG. 6 not shown - opening in the housing bottom is also aligned with the smaller hole 24b aligned.
  • this opening in the housing bottom makes it possible to pivot the magnet 11 and, on the other hand, opens up the possibility that it can easily be displaced towards the rear under load.
  • this opening in the housing bottom does not extend into the region of the larger hole 24a, so that in the mounted, in FIG. 6 shown state, a displacement of the magnet 11 is blocked in the direction of this larger hole 24a. This avoids that the magnet 11 can inadvertently escape from its suspension.
  • the assembly of the magnet 11 on the housing 2 is carried out accordingly by first the magnet is hooked into the sheet 20 as described above. Subsequently, leg 22 of the sheet metal part 20 is guided behind the projections 2b and the sheet metal part 20 is fixed by means of the screw 35. The magnet 11 is now suspended pendulum, without that he can solve this again from its suspension.
  • the mobility of the magnet 11 causes the cover 3 can be attached to the housing 2 easier and more reliable. Since the orientation of the magnet 11 can be adapted to the particular situation to a certain extent, it is ensured that in the case of an oblique attachment of the cover 3 to the housing 2, in spite of everything very early, a full-surface contact between the magnet 11 and the frame 7 of the cover 3 is achieved. Further, since an inclination of the magnet 11 is made possible, a certain contact surface between the magnet 11 and the frame 7 is ensured at all times, so that it can be optimally fixed to the housing.
  • Another advantage of the solution according to the invention is also that the magnet 11 no longer - as known from the prior art - must be screwed from the back of a housing element here. As only a hanging in the keyhole is required, the assembly can now be done from the front, which is also a simplification. In addition, the magnet can easily dodge to the rear, which is particularly advantageous during transport of the lamp according to the invention. If now several lights stacked on top of each other, there is no longer the risk that bends due to the resulting pressure of the bottom of the housing tub.
  • the magnetic suspension according to the invention has significant advantages over previously known solutions.
  • this particular suspension of the magnet can be used not only in the attachment of transparent covers.
  • this concept can always be usefully used if a mounting element to be removably attached to a lamp housing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Die vorliegende Erfindung betrifft eine Leuchte gemäß dem Oberbegriff des Anspruchs 1, welche ein wannenförmiges Leuchtengehäuse zur Aufnahme mindestens einer Lichtquelle sowie ein an dem Leuchtengehäuse zu befestigendes Anbauelement aufweist, wobei die Befestigung des Anbauelements an dem Gehäuse mit Hilfe einer Magnethalterung erfolgt.The present invention relates to a luminaire according to the preamble of claim 1, which has a trough-shaped luminaire housing for receiving at least one light source and an attachment element to be fastened to the luminaire housing, the attachment of the attachment element to the housing being effected with the aid of a magnet holder.

Eine derartige Leuchte ist beispielsweise aus der DE 10 2004 044 175 A1 der Anmelderin bekannt. Hier wird eine Magnethalterung dazu verwendet, eine durchsichtige oder durchscheinende Abdeckung an einem wannenförmigen Leuchtengehäuse zu befestigen, wobei die Lichtabgabe der Leuchte dann über diese Abdeckung erfolgt. Ein Vorteil der Magnethalterung besteht dabei darin, dass hierbei auf Befestigungselemente verzichtet werden kann, welche von der Außenseite der Leuchte bzw. der Abdeckung her zugänglich sind bzw. von außen erkennbar sind. Ein Anordnen bzw. Entfernen der Abdeckung von dem Leuchtengehäuse kann somit in einfacher Weise durchgeführt werden, ohne dass die Mittel zur Halterung das Aussehen der Leuchte beeinträchtigen.Such a lamp is for example from the DE 10 2004 044 175 A1 the applicant known. Here, a magnetic holder is used to attach a transparent or translucent cover to a trough-shaped lamp housing, wherein the light output of the lamp then takes place via this cover. An advantage of the magnetic holder is that this can be dispensed with fasteners, which are accessible from the outside of the lamp or the cover forth or are visible from the outside. Arranging or removing the cover from the luminaire housing can thus be carried out in a simple manner without the means for mounting impairing the appearance of the luminaire.

Die Magnethalterung ist bei der Leuchte der DE 10 2004 044 175 A1 dadurch realisiert, dass innerhalb des Leuchtengehäuses mehrere Magnete befestigt sind. Diese wirken mit dem metallischen Rahmen der Abdeckung zusammen. Die Magnete sind dabei jeweils mittels einer Schraubverbindung an entsprechenden Halterungselementen in dem Leuchtengehäuse befestigt.The magnetic holder is in the light of DE 10 2004 044 175 A1 realized in that several magnets are mounted within the lamp housing. These interact with the metallic frame of the cover. The magnets are fastened in each case by means of a screw connection to corresponding support elements in the luminaire housing.

Diese Magnethalterung erfährt in einer Leuchte gemäß der CH 363088 A weitere Verbesserung. Diese Schrift zeigt eine Leuchte mit einer Magnethalterung, welche aus einem Permanentmagneten und einem gegenüberliegenden ferromagnetischen Halter gebildet ist. Ferner ist offenbart, dass eines der beiden Elemente, Halter oder Magnet, beweglich angeordnet sein kann. Weiterhin ist eine pendelnde Aufhängung eines Halters beschrieben. Der Halter wird dabei in eine verschraubte Halteplatte mit einem Kopfbolzen eingehängt und pendelnd gegenüber dem Lampengehäuse in Gelenkpfannen gelagert, sodass eine verbesserte Verschlusswirkung resultiert. Dennoch können Verwindungen des Gehäuses zu einem unbeabsichtigten Lösen des Verschlusses beitragen.This magnet holder learns in a lamp according to the CH 363088 A further improvement. This document shows a lamp with a magnetic holder, which is formed from a permanent magnet and an opposite ferromagnetic holder. Furthermore, it is disclosed that one of the two elements, holder or magnet, can be arranged to be movable. Furthermore, a pendulum suspension of a holder is described. The holder is suspended in a bolted retaining plate with a head bolt and mounted oscillating with respect to the lamp housing in joint sockets, so that an improved closure effect results. Nevertheless, twisting of the housing can contribute to unintentional release of the closure.

Der vorliegenden Erfindung liegt nunmehr die Aufgabe zugrunde, ausgehend von dem oben genannten Stand der Technik die Halterung für die transparente Abdeckung weiter zu verbessern.
Die Aufgabe wird durch eine Leuchte mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.The present invention is based on the object, based on the above-mentioned prior art, to further improve the holder for the transparent cover.
The object is achieved by a luminaire with the features of claim 1. Advantageous developments of the invention are the subject of the dependent claims.

Die erfindungsgemäße Lösung beruht auf der Idee, eines der beiden Halteelemente, welche einerseits an dem Leuchtengehäuse und andererseits an dem Anbauelement angeordnet sind und zusammenwirkend die Magnethaltung bilden, pendelnd an dem Leuchtengehäuse anzuordnen. Bei dem pendelnd aufgehängten Halteelement kann es sich insbesondere um einen Magneten handeln.The solution according to the invention is based on the idea of one of the two holding elements, which are arranged on the one hand on the lamp housing and on the other hand on the attachment element and cooperatively form the Magnetethaltung to arrange pendulum on the lamp housing. The pendulum-suspended holding element may in particular be a magnet.

Gemäß der vorliegenden Erfindung wird dementsprechend eine Leuchte mit einem wannenförmigen Leuchtengehäuse zu Aufnahme mindestens einer Lichtquelle, einem an dem Leuchtengehäuse zu befestigenden Anbauelement sowie Verschlussmitteln zum lösbaren befestigen des Anbauelements an dem Leuchtengehäuse vorgeschlagen, wobei die Verschlussmittel zumindest zwei an dem Leuchtengehäuse und dem Anbauelement angeordnete Halteelemente aufweisen, welche zusammenwirkend eine Magnethalterung bilden, und wobei erfindungsgemäß das an dem Leuchtengehäuse angeordnete Halteelement pendelnd aufgehängt ist.According to the present invention, accordingly, a luminaire with a trough-shaped luminaire housing is proposed for receiving at least one light source, an attachment element to be fastened to the luminaire housing, and closure means for releasably attaching the attachment to the luminaire housing, the closure means comprising at least two retaining elements arranged on the luminaire housing and the attachment element have, which cooperatively form a magnet holder, and wherein according to the invention arranged on the lamp housing holding member is suspended pendulum.

Die pendelnde Aufhängung des Halteelements führt im Vergleich zu einer Schraubbefestigung des Magneten dazu, dass die Befestigung des Anbauelements an dem Leuchtengehäuse vereinfacht wird. Da das Halteelement einen größeren Bewegungsspielraum aufweist, wird erreicht, dass beim Ansetzten des Anbauelements an das Leuchtengehäuse bereits zu einem früheren Zeitpunkt ein großflächiger Zusammenschluss zwischen den Halteelementen erzielt wird. Durch die Bewegbarkeit des Halteelements können ferner gewisse Toleranzen ausgeglichen werden, sodass letztendlich eine optimierte Anordnung des Anbauelements, bei dem es sich insbesondere um eine Abdeckung für das Leuchtengehäuse handeln kann, erzielt wird.The oscillating suspension of the holding element leads in comparison to a screw fastening of the magnet to the fact that the attachment of the attachment element is simplified to the lamp housing. Since the holding element has a greater freedom of movement, it is achieved that when attaching the attachment element to the luminaire housing a large-scale merger between the holding elements is already achieved at an earlier time. Due to the mobility of the retaining element further tolerances can be compensated, so that ultimately an optimized arrangement of the add-on element, which may in particular be a cover for the lamp housing, is achieved.

Erfindungsgemäßist dabei das Halteelement an einem an dem Leuchtengehäuse befestigten separaten Halterungsteil aufgehängt, wobei es sich hierbei um ein insbesondere am Boden des Leuchtengehäuses angeordnetes Blechteil handelt. Dabei kann das Blechteil beispielsweise mittels einer Schraubverbindung an dem Leuchtengehäuse befestigt sein, wobei gemäß einem besonders bevorzugten Ausführungsbeispiel das Blechteil abgewinkelt ausgebildet ist und ein Schenkel des Blechteils zumindest einen an dem Leuchtengehäuse ausgebildeten Vorsprung hintergreift. In diesem Fall ist es ausreichend, das Blechteil mit lediglich einer einzigen Schraube an dem Gehäuseboden zu befestigen, um eine zuverlässige Halterung zu erzielen. Das Blechteil kann dabei ferner Montageöffnungen aufweisen, welchen in einem an dem Leuchtengehäuse befestigten Zustand mit an dem Leuchtengehäuse befindlichen Montageöffnung übereinstimmen. Dementsprechend kann eine Befestigung der Leuchte an einer Decke oder anderen Aufhängungselementen durch das Blechteil hindurch erfolgen, wobei in diesem Fall dann der Befestigungsbereich des Leuchtengehäuses zusätzlich stabilisiert wird.According to the invention, the retaining element is suspended from a separate mounting part fastened to the luminaire housing, this being a sheet-metal part arranged in particular at the bottom of the luminaire housing. In this case, the sheet metal part may be attached, for example by means of a screw on the lamp housing, wherein according to a particularly preferred embodiment, the sheet metal part is angled and a leg of the Sheet metal part engages behind at least one formed on the lamp housing projection. In this case, it is sufficient to fasten the sheet metal part with only a single screw to the housing bottom in order to achieve a reliable support. The sheet metal part can also have mounting holes, which coincide in a fixed to the lamp housing state with located on the lamp housing mounting opening. Accordingly, an attachment of the lamp to a ceiling or other suspension elements can be carried out through the sheet metal part, in which case the mounting area of the lamp housing is additionally stabilized.

Die pendelnde Aufhängung des Halteelements erfolgt dadurch, dass dieses in eine in dem Halterungsteil ausgebildete Aufhängungsöffnung eingehängt ist. Das Halteelement weist hierzu einen konisch ausgebildeten Aufhängungsbereich auf, der mit der trichterförmig ausgebildeten Aufhängungsöffnung zusammenwirkt, sodass die pendelnde Aufhängung erzielt wird. Die Aufhängungsöffnung ist Bestandteil eines schlüsselloch-förmigen Lochs, durch welches das Anordnen des Halteelements vereinfacht wird.The oscillating suspension of the retaining element is effected in that it is suspended in a suspension opening formed in the mounting part. For this purpose, the retaining element has a conically shaped suspension area, which cooperates with the funnel-shaped suspension opening, so that the oscillating suspension is achieved. The suspension opening is part of a keyhole-shaped hole, through which the arrangement of the holding element is simplified.

Über den Umfang des Leuchtengehäuses sind vorzugsweise mehrere Magnethalterungen verteilt angeordnet. Somit wird eine gleichmäßige und zuverlässige Befestigung des Anbauelements an dem Gehäuse erzielt.Over the circumference of the lamp housing, a plurality of magnetic holders are preferably arranged distributed. Thus, a uniform and reliable attachment of the add-on element to the housing is achieved.

Nachfolgend soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:

Figur 1
die Anordnung einer erfindungsgemäßen Leuchte an einer Decke;
Figur 2
eine Schnittdarstellung eines Randbereichs der Leuchte;
Figur 3
die Ansicht eines erfindungsgemäßen Magneten zur Ausbildung einer Magnethalterung;
Figur 4
die Ausgestaltung eines Blechteils zur Aufhängung eines Magneten;
Figur 5
den Vorgang des Einhängens des Magneten an dem Blechteil und
Figur 6
das in dem Leuchtengehäuse montiere Blechteil mit dem daran aufgehängten Magnet.
The invention will be explained in more detail with reference to the accompanying drawings. Show it:
FIG. 1
the arrangement of a lamp according to the invention on a ceiling;
FIG. 2
a sectional view of an edge region of the lamp;
FIG. 3
the view of a magnet according to the invention for forming a magnetic holder;
FIG. 4
the embodiment of a sheet metal part for suspending a magnet;
FIG. 5
the process of hanging the magnet to the sheet metal part and
FIG. 6
the mounted in the lamp housing sheet metal part with the magnet suspended thereon.

Bei der in Figur 1 dargestellten und allgemeinen mit dem Bezugszeichen 1 versehenen erfindungsgemäßen Leuchte handelt es sich um eine sogenannte Deckenanbauleuchte, welche zur Montage an der Unterseite der Decke 100 eines Raums vorgesehen ist. Darauf hinzuweisen ist allerdings, dass die vorliegende Erfindung keinesfalls auf derartige Deckenanbauleuchten beschränkt ist. So könnte das erfindungsgemäße Konzept selbstverständlich auch bei anderen Montagearten für Leuchten, beispielsweise bei sogenannten Pendelleuchten zum Einsatz kommen.At the in FIG. 1 illustrated and generally provided with the reference numeral 1 lamp according to the invention is a so-called ceiling-mounted luminaire, which is provided for mounting on the underside of the ceiling 100 of a room. It should be noted, however, that the present invention is by no means limited to such ceiling mounted luminaires. So could the inventive Concept of course also in other types of mounting for lights, for example, in so-called pendant lights are used.

Die Leuchte 1 weist ein wannenförmiges Leuchtengehäuse 2 auf, welches zur Aufnahme mindestens einer - schematisch angedeuteten - Lichtquelle 4 sowie eines zugehörigen Lampenbetriebsgeräts 5 vorgesehen ist. Als Lichtquellen können insbesondere Leuchtstofflampen oder dergleichen sowie LEDs zum Einsatz kommen.The luminaire 1 has a trough-shaped luminaire housing 2, which is provided for receiving at least one - schematically indicated - light source 4 and an associated lamp operating device 5. As light sources in particular fluorescent lamps or the like as well as LEDs can be used.

Die Unterseite des wannenförmigen Leuchtengehäuses 2 ist durch eine Abdeckung 3 verschlossen, über welche die Lichtabgabe der Leuchte 1 erfolgt. Wie in Figur 2 dargestellt ist, weist die Abdeckung 3 hierzu eine transparente bzw. lichtdurchlässige Lichtaustrittsscheibe 6 auf, die von einem umlaufenden Rahmen 7 gehalten ist. Diese Abdeckung 3 ist lösbar an dem Leuchtengehäuse 2 befestigt, so dass diese zu Wartungszwecken von dem Gehäuse 2 entfernt werden kann. Der Innenraum des Gehäuses 2 ist dann zugänglich, sodass beispielsweise die Lampe 4 ausgewechselt werden kann.The underside of the trough-shaped luminaire housing 2 is closed by a cover 3, via which the light emission of the luminaire 1 takes place. As in FIG. 2 is shown, the cover 3 for this purpose a transparent or translucent light exit plate 6, which is held by a peripheral frame 7. This cover 3 is detachably attached to the lamp housing 2, so that it can be removed from the housing 2 for maintenance purposes. The interior of the housing 2 is then accessible, so that, for example, the lamp 4 can be replaced.

Die lösbare Befestigung der Abdeckung 3 an dem Gehäuse 2 erfolgt erfindungsgemäß durch mehrere Magnethalterungen 10, die im Randbereich des Gehäuses 2 vorgesehen sind. Wie die vergrößerte Darstellung von Figur 2 zeigt, weist jede dieser Halterungen 10 ein erstes Halteteil in Form eines Magneten 11 auf, der an dem Leuchtengehäuse 2 in einer später noch näher beschriebenen Weise befestigt ist. Der Magnet 11 wirkt mit einem an der Abdeckung 3 vorgesehenen Gegenelement, das ein zweites Halteteil bildet, zusammen, wobei dieses Gegenelement im vorliegenden Fall durch den metallischen Rahmen 7 gebildet ist. Wird die Abdeckung 3 an das Leuchtengehäuse 2 angesetzt, so schnappt der metallische Rahmen 7 auf die Magnete 11 der einzelnen Halterungen 10 auf, so dass die Abdeckung sicher an dem Gehäuse 2 fixiert ist. Der Vorteil dieser magnetischen Halterung besteht dabei darin, dass die Verschlussmittel zur Halterung der Abdeckung 3 sich vollständig im Inneren der Leuchte 1 befinden, also von außen nicht sichtbar sind. Hierdurch wird der optische Gesamteindruck der Leuchte 1 verbessert.The releasable attachment of the cover 3 to the housing 2 is carried out according to the invention by a plurality of magnetic holders 10, which are provided in the edge region of the housing 2. Like the enlarged view of FIG. 2 shows, each of these brackets 10, a first holding part in the form of a magnet 11 which is fixed to the lamp housing 2 in a manner to be described later. The magnet 11 cooperates with a provided on the cover 3 counter element, which forms a second holding part together, said counter element is formed in the present case by the metallic frame 7. If the cover 3 is attached to the lamp housing 2, then the metallic frame 7 snaps onto the magnets 11 of the individual holders 10, so that the cover is securely fixed to the housing 2. The advantage of this magnetic holder is that the closure means for holding the cover 3 are completely inside the lamp 1, so are not visible from the outside. As a result, the overall visual impression of the lamp 1 is improved.

Gemäß der vorliegenden Erfindung wird nun zur Ausgestaltung der Magnethalterungen 10 eine besondere Aufhängung für die Magnete 11 vorgeschlagen, welche nachfolgend anhand der Figuren 3 bis 6 näher erläutert werden soll.According to the present invention, a special suspension for the magnets 11 is now proposed for the design of the magnetic holders 10, which hereinafter with reference to the FIGS. 3 to 6 will be explained in more detail.

Figur 3 zeigt hierbei zunächst die Ausgestaltung eines einzelnen Magneten 11, der ein ringförmiges Gehäuse 12 aufweist, in dem ein scheibenförmiger Permanentmagnet 13 angeordnet ist. Von der Rückseite des Gehäuses 12 erstreckt sich ein stiftartiger Aufhängungsbereich 14 mit einem Endbereich 15, nachfolgend auch als Kopf bezeichnet, der an seiner dem Gehäuse 12 zugewandten Seite konisch ausgebildet ist. Diese konische Anlagefläche 16 führt dazu, dass der Magnet 11 pendeln aufgehängt werden kann. FIG. 3 Here, first shows the embodiment of a single magnet 11, which has an annular housing 12 in which a disc-shaped permanent magnet 13 is arranged. From the back of the housing 12 extends a pin-like Suspension region 14 with an end region 15, hereinafter also referred to as head, which is conical on its side facing the housing 12. This conical contact surface 16 causes the magnet 11 can be suspended pendulum.

Grundsätzlich könnte der Magnet 11 auch an dem Leuchtengehäuse 2 selbst aufgehängt werden, gemäß der vorliegenden Erfindung ist hierzu allerdings ein separates Halterungsteil in Form eines Blechteils 20 vorgesehen, welches abgewinkelt ausgebildet ist und eine erste Grundfläche 21 sowie einen dazu um etwa 90° abgewinkelten seitlichen Schenkel 22 aufweist. Dieses Blechteil 20 wird - wie später noch beschrieben - an dem Leuchtengehäuse 2 befestigt. Die Grundfläche 21 weist in ihrem mittleren Bereich eine schlüsselloch-artige Durchgangsöffnung 23 auf, welche einerseits ein großes Loch 24a sowie ein daran angrenzendes, etwas kleineres Loch 24b aufweist. Der Durchmesser des größeren Lochs 24a ist dabei derart bemessen, dass der Kopf 15 des Aufhängungsbereichs 14 des Magneten 11 hindurchgeführt werden kann. Das kleinere Loch 24b wiederum ist im Vergleich zum Umfang des Kopfs 15 kleiner bemessen, so dass ein Herausfallen des darin eingehängten Kopfs 15 verhindert wird.In principle, the magnet 11 could also be hung on the luminaire housing 2 itself, but according to the present invention, a separate support member in the form of a sheet metal part 20 is provided, which is angled and a first base 21 and a side leg angled by about 90 ° 22 has. This sheet metal part 20 is - as described later - attached to the lamp housing 2. The base 21 has in its central region a keyhole-like passage opening 23, which on the one hand has a large hole 24a and an adjacent, slightly smaller hole 24b. The diameter of the larger hole 24a is dimensioned such that the head 15 of the suspension portion 14 of the magnet 11 can be passed. The smaller hole 24b in turn is smaller in size compared to the circumference of the head 15, so that falling out of the suspended therein head 15 is prevented.

Wie in Figur 5 dargestellt ist, wird also der Magnet 11 in einfacher Weise dadurch an dem Blechteil 20 eingehängt, dass dieser zunächst entsprechend dem Pfeil I mit seinem Kopf 15 in das größere Loch 24a eingeführt und dann senkrecht hierzu entlang der Richtung II in das kleinere Loch 24b verschoben wird. Das Einhängen des Magneten 11 in das Blechteil 20 kann also ohne die Verwendung eines Werkzeugs erfolgen.As in FIG. 5 is shown, therefore, the magnet 11 is thereby hooked in a simple manner to the sheet metal part 20 that this is first introduced according to the arrow I with its head 15 in the larger hole 24a and then perpendicular to this along the direction II in the smaller hole 24b is moved , The hanging of the magnet 11 in the sheet metal part 20 can thus be done without the use of a tool.

Eine Besonderheit des kleinen Lochs 24b besteht darin, dass dieses eine trichterförmige Prägung 25 an seinem Umfang aufweist. Diese Prägung 25 führt in Zusammenwirken mit der konischen Ausbildung des Kopfbereichs 15 dazu, dass der eingehängte Magnet 11 um eine senkrecht zur Grundfläche 21 des Blechteils 20 ausgerichtete Achse verschwenkt werden kann.A peculiarity of the small hole 24b is that it has a funnel-shaped embossment 25 at its periphery. This embossment 25, in cooperation with the conical design of the head region 15, means that the suspended magnet 11 can be pivoted about an axis oriented perpendicular to the base surface 21 of the sheet metal part 20.

Wie den Figuren ferner entnommen werden kann, sind in der Grundfläche 21 des Blechteils 20 drei weitere Öffnungen 30, 31 ausgebildet, deren Funktion Figur 6 entnommen werden kann. Figur 6 zeigt hierbei die Anordnung des Blechteils 20 an dem Leuchtengehäuse 2, wobei zunächst erkennbar ist, dass der Schenkel 22 des Blechteils 20 Vorsprünge 2b hintergreift, welche an der Seitenwand 2a des Gehäuses 2 ausgebildet sind. Gleichzeitig wird das Blechteil 20 mittels einer Schraube 35 in dem Gehäuseboden fixiert, wobei diese Schraube 35 die erste Öffnung 30 durchgreift. In diesem Zustand ist das Blechteil 20 fest an dem Gehäuse 2 fixiert, da die Schraube 35 einerseits ein Verschieben in der Ebene des Gehäusebodens verhindert und andererseits durch das Hintergreifen der Vorsprünge 2b ein Verkippen des Blechteils 20 verhindert wird. In dieser Position sind ferner die beiden weiteren Öffnungen 31 des Blechteils 20 fluchtend mit entsprechenden Öffnungen in dem Gehäuseboden ausgerichtet. Hierdurch werden zwei das Blechteil und den Gehäuseboden durchgreifende Öffnungen gebildet, welche dazu genutzt werden können, dass Leuchtengehäuse 2 an einer Decke oder einem sonstigen Aufhängungselement zu befestigen.As can also be seen from the figures, three further openings 30, 31 are formed in the base area 21 of the sheet-metal part 20, their function FIG. 6 can be removed. FIG. 6 in this case shows the arrangement of the sheet metal part 20 on the lamp housing 2, wherein initially it can be seen that the leg 22 of the sheet metal part 20 protrusions 2b engages behind, which are formed on the side wall 2a of the housing 2. At the same time, the sheet metal part 20 is fixed by means of a screw 35 in the housing bottom, said screw 35, the first opening 30 passes through. In this state, the sheet metal part 20 is firmly fixed to the housing 2, since the screw 35th on the one hand prevents a displacement in the plane of the housing bottom and on the other hand by the engagement behind the projections 2b tilting of the sheet metal part 20 is prevented. In this position, furthermore, the two further openings 31 of the sheet-metal part 20 are aligned in alignment with corresponding openings in the housing bottom. As a result, two the sheet metal part and the housing bottom by cross-openings are formed, which can be used to attach the lamp housing 2 to a ceiling or other suspension element.

Eine zusätzliche - in Figur 6 nicht dargestellte - Öffnung in dem Gehäuseboden ist ferner fluchtend mit dem kleineren Loch 24b ausgerichtet. Diese Öffnung in dem Gehäuseboden ermöglicht einerseits das Verschwenken des Magnets 11 und eröffnet andererseits die Möglichkeit, dass dieser bei Belastung leicht zur Rückseite hin verdrängt werden kann. Diese Öffnung in dem Gehäuseboden erstreckt sich allerdings nicht in den Bereich des größeren Lochs 24a, so dass in dem montierten, in Figur 6 dargestellten Zustand ein Verschieben des Magnets 11 in Richtung dieses größeren Lochs 24a blockiert wird. Damit wird vermieden, dass der Magnet 11 unbeabsichtigt aus seiner Aufhängung entweichen kann.An additional - in FIG. 6 not shown - opening in the housing bottom is also aligned with the smaller hole 24b aligned. On the one hand, this opening in the housing bottom makes it possible to pivot the magnet 11 and, on the other hand, opens up the possibility that it can easily be displaced towards the rear under load. However, this opening in the housing bottom does not extend into the region of the larger hole 24a, so that in the mounted, in FIG. 6 shown state, a displacement of the magnet 11 is blocked in the direction of this larger hole 24a. This avoids that the magnet 11 can inadvertently escape from its suspension.

Die Montage des Magneten 11 an dem Gehäuse 2 erfolgt dementsprechend dadurch, dass zunächst der Magnet in das Blech 20 wie oben beschrieben eingehängt wird. Anschließend wird Schenkel 22 des Blechteils 20 hinter die Vorsprünge 2b geführt und das Blechteil 20 mittels der Schraube 35 fixiert. Der Magnet 11 ist nunmehr pendelnd aufgehängt, ohne dass er sich dieser wieder aus seiner Aufhängung lösen kann.The assembly of the magnet 11 on the housing 2 is carried out accordingly by first the magnet is hooked into the sheet 20 as described above. Subsequently, leg 22 of the sheet metal part 20 is guided behind the projections 2b and the sheet metal part 20 is fixed by means of the screw 35. The magnet 11 is now suspended pendulum, without that he can solve this again from its suspension.

Die Beweglichkeit des Magneten 11 führt dazu, dass die Abdeckung 3 einfacher und zuverlässiger an dem Gehäuse 2 befestigt werden kann. Da sich die Ausrichtung des Magneten 11 in einem gewissen Rahmen an die jeweilige Situation anpassen kann, ist sichergestellt, dass bei einem schrägen Ansetzten der Abdeckung 3 an das Gehäuse 2 trotz allem sehr frühzeitig ein vollflächiger Kontakt zwischen dem Magnet 11 und dem Rahmen 7 der Abdeckung 3 erzielt wird. Da ferner eine Schrägstellung des Magneten 11 ermöglicht ist, ist zu jedem Zeitpunkt eine gewisse Kontaktfläche zwischen dem Magneten 11 und dem Rahmen 7 gewährleistet, sodass dieser optimal an dem Gehäuse fixiert werden kann.The mobility of the magnet 11 causes the cover 3 can be attached to the housing 2 easier and more reliable. Since the orientation of the magnet 11 can be adapted to the particular situation to a certain extent, it is ensured that in the case of an oblique attachment of the cover 3 to the housing 2, in spite of everything very early, a full-surface contact between the magnet 11 and the frame 7 of the cover 3 is achieved. Further, since an inclination of the magnet 11 is made possible, a certain contact surface between the magnet 11 and the frame 7 is ensured at all times, so that it can be optimally fixed to the housing.

Ein weiterer Vorteil der erfindungsgemäßen Lösung besteht auch darin, dass der Magnet 11 nicht mehr - wie aus dem Stand der Technik bekannt - von der Rückseite eines Haltungselements hier angeschraubt werden muss. Da lediglich ein Einhängen in das Schlüsselloch erforderlich ist, kann die Montage jetzt von der Vorderseite her erfolgen, was ebenfalls eine Vereinfachung darstellt. Darüber hinaus kann der Magnet leicht zur Rückseite hin ausweichen, was insbesondere beim Transport der erfindungsgemäßen Leuchte von Vorteil ist. Werden nunmehr mehrere Leuchten übereinander gestapelt, so besteht nicht mehr die Gefahr, dass sich auf Grund des hieraus resultierenden Drucks der Boden der Gehäusewanne verbiegt.Another advantage of the solution according to the invention is also that the magnet 11 no longer - as known from the prior art - must be screwed from the back of a housing element here. As only a hanging in the keyhole is required, the assembly can now be done from the front, which is also a simplification. In addition, the magnet can easily dodge to the rear, which is particularly advantageous during transport of the lamp according to the invention. If now several lights stacked on top of each other, there is no longer the risk that bends due to the resulting pressure of the bottom of the housing tub.

Grundsätzlich wäre es, in einer nicht beanspruchten Ausführungsform, auch denkbar, den Magnet unmittelbar an dem Boden des Leuchtengehäuses pendelnd aufzuhängen. Da allerdings hierfür der Gehäuseboden eine gewisse Dicke aufweisen müsste, um die trichterförmige Prägung zu realisieren, wird gemäß der Erfindung das separate Blechteil eingesetzt. Dies bringt weiterhin den Vorteil mit sich, dass der Befestigungsbereich des Gehäuses zusätzlich stabilisiert wird.In principle, it would also be conceivable, in a non-claimed embodiment, to suspend the magnet directly oscillating at the bottom of the luminaire housing. However, since the housing bottom would have to have a certain thickness in order to realize the funnel-shaped embossing, according to the invention the separate sheet metal part is used. This also brings with it the advantage that the mounting area of the housing is additionally stabilized.

Letzten Endes weist also die erfindungsgemäße Magnetaufhängung deutliche Vorteile gegenüber bislang bereits bekannten Lösungen auf. Dabei kann diese besondere Aufhängung des Magneten nicht nur bei der Befestigung von transparenten Abdeckungen eingesetzt werden. Allgemein kann dieses Konzept immer dann sinnvoll eingesetzt werden, wenn an einem Leuchtengehäuse ein Anbauelement abnehmbar befestigt werden soll.Ultimately, therefore, the magnetic suspension according to the invention has significant advantages over previously known solutions. In this case, this particular suspension of the magnet can be used not only in the attachment of transparent covers. In general, this concept can always be usefully used if a mounting element to be removably attached to a lamp housing.

Claims (6)

  1. A luminaire (1) having
    a) a tub-shaped luminaire housing (2) for the accommodation of at least one light source (4),
    b) an attachment element (3) that is to be secured to the luminaire housing (2), and also
    c) locking means for securing the attachment element (3) to the luminaire housing (2) in a releasable manner, wherein the locking means have at least two holding elements (7, 11) which are arranged on the luminaire housing (2) and the attachment element (3) and which, working together, form a magnetic holder (10),
    wherein
    • the holding element (11), which is arranged on the luminaire housing (2), is suspended in pendulum fashion on a separate holding portion that is secured to the luminaire housing (2),
    • the holding portion is a sheet-metal portion (20), which is arranged on the luminaire housing (2), in particular on the base of the luminaire housing (2),
    • the holding element (11), which is suspended in pendulum fashion, is suspended in a suspension opening formed in the holding portion, and
    • the holding element (11), which is suspended in pendulum fashion, has a conically formed suspension region (15), and the suspension opening is formed in the shape of a funnel,
    characterised in that
    the suspension opening is a constituent part of a keyhole-shaped hole (23), which has a large hole (24a) and also a smaller hole (24b) adjacent thereto.
  2. A luminaire according to claim 1,
    characterised in that
    the sheet-metal portion (20) is secured to the luminaire housing (2) by means of a screw connection.
  3. A luminaire according to claim 1 or 2,
    characterised in that
    the sheet-metal portion (20) is formed in an angular manner, wherein a leg (22) of the sheet-metal portion (20) engages behind at least one projection (2b) formed on the luminaire housing (2).
  4. A luminaire according to one of claims 1 to 3,
    characterised in that
    the holding portion has at least one assembly opening (31) which in the state in which it is secured to the luminaire housing (2) coincides with an assembly opening located on the luminaire housing (2).
  5. A luminaire according to one of the previous claims,
    characterised in that
    a plurality of magnetic holders (10) are formed in a distributed manner over the periphery of the luminaire housing (2).
  6. A luminaire according to one of the previous claims,
    characterised in that
    the attachment element (3) is a cover for the luminaire housing that consists at least in part of a transparent or translucent material.
EP09170387.6A 2008-09-18 2009-09-16 Light with magnetic holder for hanging an attachment element to a light housing Active EP2166280B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008047880A DE102008047880A1 (en) 2008-09-18 2008-09-18 Luminaire with magnetic holder for mounting an add-on to a luminaire housing

Publications (2)

Publication Number Publication Date
EP2166280A1 EP2166280A1 (en) 2010-03-24
EP2166280B1 true EP2166280B1 (en) 2014-11-19

Family

ID=41351650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09170387.6A Active EP2166280B1 (en) 2008-09-18 2009-09-16 Light with magnetic holder for hanging an attachment element to a light housing

Country Status (2)

Country Link
EP (1) EP2166280B1 (en)
DE (1) DE102008047880A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101720510B1 (en) * 2010-11-24 2017-03-28 삼성전자주식회사 Buried lighting apparatus and Cover for the same
DE102012204284A1 (en) * 2012-03-19 2013-09-19 Occhio GmbH Lamp head, has coating- or grating structured capacitive sensor providing capacitive sensor signal and arranged between outer and inner surfaces of cover element or spaced from inner surface of cover element
DE202012104421U1 (en) * 2012-11-16 2014-02-17 Zumtobel Lighting Gmbh Magnet for the magnetic attachment of luminaires, lighting device and metal shelf
DE202015100683U1 (en) * 2015-02-12 2016-05-16 Zumtobel Lighting Gmbh Safety arrangement for securing a lamp to a support element and lighting arrangement with such a fuse arrangement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH363088A (en) 1958-11-14 1962-07-15 Albert Dr Schlumpf lamp
DE20308977U1 (en) * 2003-06-10 2003-08-28 RIDI-Leuchten GmbH, 72417 Jungingen Lighting unit with reflective grid for e.g. flush- or surface mounting on ceiling, includes magnetic rod lock with catch action
DE102004044175B4 (en) 2004-09-13 2014-09-25 Zumtobel Lighting Gmbh Luminaire with closure means for releasably securing a cover to a housing pan
DE102007006819B4 (en) * 2007-02-07 2009-12-03 Gerhard Grimmeisen Holding device for fixing optical elements to a luminaire and associated luminaire

Also Published As

Publication number Publication date
EP2166280A1 (en) 2010-03-24
DE102008047880A1 (en) 2010-03-25

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