EP2042802B1 - Lamp with covering profile - Google Patents

Lamp with covering profile Download PDF

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Publication number
EP2042802B1
EP2042802B1 EP08160978A EP08160978A EP2042802B1 EP 2042802 B1 EP2042802 B1 EP 2042802B1 EP 08160978 A EP08160978 A EP 08160978A EP 08160978 A EP08160978 A EP 08160978A EP 2042802 B1 EP2042802 B1 EP 2042802B1
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EP
European Patent Office
Prior art keywords
light
hollow chamber
luminaire
profile
hollow
Prior art date
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Application number
EP08160978A
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German (de)
French (fr)
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EP2042802A1 (en
Inventor
Patrick Kilga
Patrik Gassner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Publication of EP2042802A1 publication Critical patent/EP2042802A1/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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light

Definitions

  • the present invention relates to a luminaire according to the preamble of claim 1 and an at least partially translucent cover profile according to the preamble of claim 8, wherein the cover profile is releasably secured in an opening of the lamp housing of the lamp.
  • Lamps for example, so-called slotlight lamps of the Applicant, which are used both in the ceiling installation / in as well as in suspended or pendulum manner, for example, may have a formed by a narrow elongated aluminum profile luminaire housing.
  • the luminaire housing serves to receive a light source and possibly also electronic control means.
  • the luminaire housing in this case has an opening in the desired emission direction of the luminaire. Such an opening can then remain without cover or even have a cover profile.
  • This cover profile can be, for example, a transparent body made of Plexiglas, which is detachably fastened to the aluminum profile.
  • a cover according to the US Pat. No. 6,402,349 B1 For example, to clean a flat light exit surface provided with a pyramidal superstructure, so that there is a hollow chamber profile.
  • the FR 1 303 671 A describes a film covering for the purity of jagged light guide means and the EP 0 391 287 A is directed to an operating light, which improves the depth profile of the lighting with the aid of successive lying while a cavity enclosing Fresnel lenses.
  • the use of a cover profile does not ensure that the interior of the luminaire is protected against moisture and that no light can escape from the housing laterally past the cover profile.
  • the present invention is therefore based on the object to further develop the lamp described above in such a way that it emits light over the entire width of an opening evenly without shadows or disturbing contours, and on the other hand, the interior is protected from moisture and light can only be delivered via a cover profile.
  • a luminaire and an at least partially translucent cover profile are proposed.
  • the luminaire has a luminaire housing with an opening in the emission direction and the cover profile, which is detachably secured in the opening of the luminaire housing, on.
  • the cover profile is designed as a hollow chamber profile.
  • the hollow chamber profile which is configured such that it has a light entrance and a light exit side and a hollow chamber between the two sides, now leads to the fact that the light emitted by the light source is emitted evenly on the light exit side. In addition, no shadow and disturbing contours are more visible through the hollow chamber profile.
  • the hollow chamber profile is designed to be releasably fastened by means of latching means attached to the light entry side.
  • the area of the light entry side facing away from the hollow chamber has a bearing surface for a seal at its edge and bears against the lamp housing, a seal being provided between the bearing surface and the lamp housing.
  • the lamp in which the interior is protected from moisture and dust and thus the lamp, for example, can meet the requirements for the protection IP54.
  • the light can only be delivered via the hollow chamber profile.
  • the use of a hollow chamber profile also ensures that the seal can not be recognized as a disturbing contour (dark spot).
  • the lamp housing may still have a groove for receiving the seal.
  • the latching means are designed as latching arms which extend from the surface of the light entry side facing away from the hollow chamber perpendicularly in the direction of the lamp housing and engage with the lamp housing.
  • the latching arms are mounted on the side facing away from the hollow chamber surface of the light entry side adjacent to the support surface.
  • the hollow chamber profile is formed in total or only the light entrance side or the light exit side opal or light scattering.
  • the surface of the light entry side facing the hollow chamber has a microprism structure and the surface of the light entry side remote from the hollow chamber has a smooth structure.
  • loisverändemdede may be like a plate with prismatic structure.
  • the luminaire housing can consist of a narrow elongate aluminum profile and the hollow chamber profile of two parts.
  • FIG. 1 shows the lamp 1 according to the invention in a perspective view and in cross section.
  • the luminaire 1 consists essentially of a luminaire housing 2, an at least partial translucent hollow chamber profile 3, two end faces 6 and inside the luminaire 1 of a seal 4 and a light source 5, wherein the light source 5 additionally electronic control means may be assigned.
  • the luminaire housing 2 is preferably a narrow, elongated aluminum extrusion profile.
  • the profile is essentially U-shaped, with the light being emitted via the opening of the U-shape.
  • the end faces 6 of the profile are each closed, so that the light output can be made only through the opening.
  • the inventive at least part-permeable hollow chamber profile 3 is placed that can be produced for example by injection molding or by extrusion.
  • the hollow chamber profile 3 is formed substantially cuboid, wherein the length and width of the hollow chamber profile 3 corresponds to the length and width of the opening of the lamp housing 2.
  • the hollow chamber profile 3 is located on the outer walls 7 of the lamp housing 2 and the end faces 6, whereby only the lamp housing 2, the hollow chamber profile 3 and the end faces 6 can be seen in the inventive lamp 1 from the outside.
  • the cuboid hollow chamber profile 3 has a light inlet side 14 and a light exit side 15. Between the two sides 14, 15 is a hollow chamber 13 which is closed by outer sides 16, wherein these outer sides 16 connect the light entrance side 14 with the light exit side 15, resulting in the cuboid shape of the hollow chamber profile 3 according to the invention.
  • the hollow chamber 13 facing away from surface 17 of the light inlet side 14 has at the edges circumferentially on a support surface 11 for a seal 4.
  • the support surface 11 is slightly wider than a seal. 4
  • locking arms 8 are mounted on the side facing away from the hollow chamber 13 of the light entrance side, but not completely extend to the end faces 6 of the lamp housing 2 to form the already described above support surface 11 for a seal 4 circumferentially to be able to.
  • the latching arms 8 may in this case consist of a plurality of individual latching arms, or else in each case from a continuous latching arm.
  • the hollow chamber profile 3 according to the invention is now positioned in the luminaire housing 2 in such a way that the latching arms 8 and thus also the surface 17, facing away from the hollow chamber 13, of the light inlet side 14 points inwardly into the luminaire housing 2.
  • the luminaire housing 2 has in this case in the region in which the support surface 11, the hollow chamber 13 facing away from surface 17 of the light inlet side 14, a groove 12 which is configured such that it can receive a seal 4 which then rests against the support surface 11 , Accordingly, it is also necessary, as already described above, to make the bearing surface 11 slightly wider than the seal 4, so that the part of the groove 12 projecting from the outer walls 7 of the luminous housing 2 correspondingly finds space in front of the latching arms 8.
  • the latching arms 8 which are perpendicular to the side facing away from the hollow chamber 13 17 of the light entry side 14 engage in the connection to the groove 12 in a recess provided for this purpose, whereby the latching arms 8 must be slightly longer than the seal 4 and the groove 12.
  • the latching arms 8 are also formed for locking at their ends to a V 9 opening to the center of the lamp housing 2, wherein the tip of the V 9 engages in the recess 10.
  • the height of the cuboid hollow chamber profile 3 corresponds approximately to the length of the outer walls 7 of the lamp housing 2, starting from the opening of the lamp housing 2 to the beginning of the groove 12th
  • the light entry side 14 of the hollow chamber profile 3 opal or light-scattering, whereby the above-described light uniformity is further improved.
  • This possibility is in FIG. 5 shown. It would also be conceivable that only the light exit side 15 is opal. In both embodiments, in particular the production of the hollow chamber profile 3 in the two-component injection molding process is advantageous.
  • Another optimization possibility is the use of a total of opal trained hollow chamber profile 3, as in FIG. 2 is shown.
  • microprism structure may be provided.
  • the microprisms are preferably on the hollow chamber 13 facing surface 18 of the light entrance side 14 is formed, as shown in FIG FIG. 3 will be shown.
  • a plate 20 is additionally housed in the hollow chamber 13, which has a prismatic structure and thus an alternative to the in FIG. 3 shown hollow chamber profile 3 is.
  • other light-modifying means such as a color filter or micro-grid, could be arranged in the hollow chamber 13.
  • the hollow chamber 13 facing away from surface 19 of the light exit side 15, however, is preferably always smooth, since this is the preparation of Saugnäpfen possible to remove the hollow chamber profile 3 from the lamp housing 2 again. This is usually the only way to get into the interior of the lamp 1. If, for example, microprisms were to be formed on the underside of the hollow chamber profile 3, the application of the suction cups would not be possible and the hollow chamber profile 3 could only be removed by means of specially designed tools.
  • inventive hollow chamber profile 3 is integrally formed.
  • this does not mean that such a hollow chamber profile could not consist of two parts, it would be conceivable that the light exit side is formed by a second part which is latched with the light inlet side or inserted into this.
  • the shape of the lamp or the lamp housing and the hollow chamber profile does not necessarily have to have a narrow elongated profile.
  • a round luminaire housing could also be used, for which purpose the hollow chamber profile would also have to be correspondingly round.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

The luminaire (1) has a luminaire housing (2) with an opening in a radiation direction, and a partially transparent covering profile detachably fastened in the opening, where the covering profile is formed as a hollow chamber profile (3). The chamber profile has light input and output sides, where a hollow chamber (13) is provided between the sides. A surface of the input side turned away from the hollow chamber has a support surface for a sealing (4) at its edge. The surface of the input side rests at the housing, and the sealing is provided between the support surface and housing.

Description

Die vorliegende Erfindung betrifft eine Leuchte gemäß dem Oberbegriff des Anspruchs 1 und ein zumindest teillichtdurchlässiges Abdeckungsprofil gemäß dem Oberbegriff des Anspruchs 8, wobei das Abdeckungsprofil in einer Öffnung des Leuchtengehäuses der Leuchte lösbar befestigt ist.The present invention relates to a luminaire according to the preamble of claim 1 and an at least partially translucent cover profile according to the preamble of claim 8, wherein the cover profile is releasably secured in an opening of the lamp housing of the lamp.

Leuchten, beispielsweise sogenannte Slotlight-Leuchten der Anmelderin, die sowohl im Deckenein-/anbau als auch in abgehängter bzw. abgependelter Weise zum Einsatz kommen, können beispielsweise ein durch ein schmales längliches Aluminiumprofil gebildetes Leuchtengehäuse aufweisen. Dabei dient das Leuchtengehäuse zur Aufnahme einer Lichtquelle und möglicherweise auch von elektronischen Steuermitteln. Das Leuchtengehäuse weist hierbei eine Öffnung in der gewünschten Abstrahlrichtung der Leuchte auf. Eine derartige Öffnung kann dann ohne Abdeckung bleiben oder aber auch ein Abdeckungsprofil aufweisen. Bei diesem Abdeckungsprofil kann es sich beispielsweise um einen transparenten Körper aus Plexiglas handeln, der lösbar an dem Aluminiumprofil befestigt ist.Lamps, for example, so-called slotlight lamps of the Applicant, which are used both in the ceiling installation / in as well as in suspended or pendulum manner, for example, may have a formed by a narrow elongated aluminum profile luminaire housing. The luminaire housing serves to receive a light source and possibly also electronic control means. The luminaire housing in this case has an opening in the desired emission direction of the luminaire. Such an opening can then remain without cover or even have a cover profile. This cover profile can be, for example, a transparent body made of Plexiglas, which is detachably fastened to the aluminum profile.

Weiterhin sind aus dem Stand der Technik verschiedene Abdeckprofile, welche eine Hohlkammer aufweisen, bekannt. Ein Abdeckprofil gemäß der US 6,402,349 B1 ist beispielsweise zur Reinhaltung einer planen Lichtaustrittsfläche mit einem pyramidenförmigen Überbau versehen, sodass sich ein Hohlkammerprofil ergibt. Die FR 1 303 671 A beschreibt eine Folienbedeckung zur Reinhaltung von zackenförmigen Lichtlenkmitteln und die EP 0 391 287 A ist auf eine Operationsleuchte gerichtet, welche mit Hilfe von aufeinander aufliegenden und dabei einen Hohlraum einschließenden Fresnellinsen das Tiefenprofil der Beleuchtung verbessert.Furthermore, various cover profiles which have a hollow chamber are known from the prior art. A cover according to the US Pat. No. 6,402,349 B1 For example, to clean a flat light exit surface provided with a pyramidal superstructure, so that there is a hollow chamber profile. The FR 1 303 671 A describes a film covering for the purity of jagged light guide means and the EP 0 391 287 A is directed to an operating light, which improves the depth profile of the lighting with the aid of successive lying while a cavity enclosing Fresnel lenses.

Es verbleibt jedoch das Problem, dass sich bei einer derart ausgestalteten Leuchte jedoch Schatten order andere störende Konturen durch das Aluminiumprofil und die in dem Aluminiumprofil angeordnete Lichtquelle ergeben.However, there remains the problem that, however, result in such a luminaire designed shade or other disturbing contours by the aluminum profile and arranged in the aluminum profile light source.

Zudem ist auch nicht gewährleistet, dass über die gesamte Breite der Öffnung des Aluminiumprofils das Licht der Lichtquelle gleichmäßig abgegeben wird. Bei Verwendung eines Abdeckungsprofils ist zudem nicht sichergestellt, dass der Innenraum der Leuchte vor Feuchtigkeit geschützt ist und dass seitlich an dem Abdeckungsprofil vorbei kein Licht aus dem Gehäuse austreten kann.In addition, it is also not guaranteed that over the entire width of the opening of the aluminum profile, the light of the light source is emitted evenly. at In addition, the use of a cover profile does not ensure that the interior of the luminaire is protected against moisture and that no light can escape from the housing laterally past the cover profile.

Insbesondere ist hier die Befestigung des Abdeckungsprofils von besonderer Bedeutung. Die US 4,667,275 A1 offenbart die Befestigungs einer Reflektor-Gehäusewand-Kombination mittel Rastmitteln. Es verbleibt jedoch weiterhin das Problem, Schattenbildung bei dieser Art der Befestigung zu vermeiden.In particular, the attachment of the cover profile is of particular importance here. The US 4,667,275 A1 discloses the attachment of a reflector housing wall combination means locking means. However, there still remains the problem of avoiding shadowing in this type of attachment.

Der vorliegenden Erfindung liegt dementsprechend die Aufgabe zugrunde, die oben beschriebene Leuchte dahingehend weiterzubilden, dass sie zum einen über die gesamte Breite einer Öffnung gleichmäßig Licht ohne Schatten oder störende Konturen abgibt, und zum anderen der Innenraum vor Feuchtigkeit geschützt ist und Licht nur noch über ein Abdeckungsprofil abgeben werden kann.The present invention is therefore based on the object to further develop the lamp described above in such a way that it emits light over the entire width of an opening evenly without shadows or disturbing contours, and on the other hand, the interior is protected from moisture and light can only be delivered via a cover profile.

Die Aufgabe wird durch eine Leuchte gemäß Anspruch 1 und durch ein zumindest teillichtdurchlässiges Abdeckungsprofil gemäß Anspruch 7 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.The object is achieved by a luminaire according to claim 1 and by an at least partially translucent cover profile according to claim 7. Advantageous developments of the invention are the subject of the dependent claims.

Erfindungsgemäß wird eine Leuchte und ein zumindest teillichtdurchlässiges Abdeckungsprofil vorgeschlagen. Die Leuchte weist dabei ein Leuchtengehäuse mit einer Öffnung in Abstrahlrichtung und das Abdeckungsprofil, welches in der Öffnung des Leuchtengehäuses lösbar befestigt ist, auf. Erfindungsgemäß ist das Abdeckungsprofil als Hohlkammerprofil ausgebildet.According to the invention, a luminaire and an at least partially translucent cover profile are proposed. The luminaire has a luminaire housing with an opening in the emission direction and the cover profile, which is detachably secured in the opening of the luminaire housing, on. According to the cover profile is designed as a hollow chamber profile.

Das Hohlkammerprofil, ist derart ausgestaltet, dass es eine Lichteintritts- und eine Lichtaustrittsseite sowie eine Hohlkammer zwischen den beiden Seiten aufweist, führt nun dazu, dass das von der Lichtquelle abgestrahlte Licht gleichmäßig an der Lichtaustrittsseite abgegeben wird. Außerdem sind durch das Hohlkammerprofil keine Schatten und störenden Konturen mehr sichtbar.The hollow chamber profile, which is configured such that it has a light entrance and a light exit side and a hollow chamber between the two sides, now leads to the fact that the light emitted by the light source is emitted evenly on the light exit side. In addition, no shadow and disturbing contours are more visible through the hollow chamber profile.

Erfindungsgemäß ist das Hohlkammerprofil mittels an der Lichteintrittsseite angebrachter Rastmittel lösbar befestigbar ausgebildet.According to the invention, the hollow chamber profile is designed to be releasably fastened by means of latching means attached to the light entry side.

Besonders vorteilhaft ist es, wenn die der Hohlkammer abgewandte Fläche der Lichteintrittsseite an ihrem Rand eine Auflagefläche für eine Dichtung aufweist und an dem Leuchtengehäuse anliegt, wobei zwischen der Auflagefläche und dem Leuchtengehäuse eine Dichtung angebracht ist.It is particularly advantageous if the area of the light entry side facing away from the hollow chamber has a bearing surface for a seal at its edge and bears against the lamp housing, a seal being provided between the bearing surface and the lamp housing.

Durch diese Ausgestaltung ergibt sich nun eine Leuchte, bei der der Innenraum vor Feuchtigkeit und Staub geschützt ist und somit die Leuchte beispielsweise die Voraussetzungen für die Schutzart IP54 erfüllen kann. Außerdem kann das Licht nur noch über das Hohlkammerprofil abgegeben werden. Des Weiteren ist durch die Verwendung eines Hohlkammerprofils auch gewährleistet, dass die Dichtung nicht als störende Kontur (Dunkelstelle) zu erkennen ist. Zusätzlich kann das Leuchtengehäuse noch eine Nut zur Aufnahme der Dichtung aufweisen.With this configuration, there is now a lamp in which the interior is protected from moisture and dust and thus the lamp, for example, can meet the requirements for the protection IP54. In addition, the light can only be delivered via the hollow chamber profile. Furthermore, the use of a hollow chamber profile also ensures that the seal can not be recognized as a disturbing contour (dark spot). In addition, the lamp housing may still have a groove for receiving the seal.

Besonders vorteilhaft ist, wenn die Rastmittel als Rastarme ausgebildet sind, die sich von der der Hohlkammer abgewandten Fläche der Lichteintrittsseite senkrecht in Richtung des Leuchtengehäuses erstrecken und mit dem Leuchtengehäuse verrasten. Die Rastarme sind dabei auf der der Hohlkammer abgewandten Fläche der Lichteintrittsseite im Anschluss an die Auflagefläche angebracht.It is particularly advantageous if the latching means are designed as latching arms which extend from the surface of the light entry side facing away from the hollow chamber perpendicularly in the direction of the lamp housing and engage with the lamp housing. The latching arms are mounted on the side facing away from the hollow chamber surface of the light entry side adjacent to the support surface.

Bei weiteren vorzugsweisen Ausführungsformen der Erfindung ist das Hohlkammerprofil insgesamt oder aber nur die Lichteintrittsseite oder die Lichtaustrittsseite opal bzw. lichtstreuend ausgebildet.In other preferred embodiments of the invention, the hollow chamber profile is formed in total or only the light entrance side or the light exit side opal or light scattering.

Besonders vorteilhaft ist es auch, wenn die der Hohlkammer zugewandte Fläche der Lichteintrittsseite eine Mikroprismenstruktur aufweist und die der Hohlkammer abgewandte Fläche der Lichteintrittsseite eine glatte Struktur. Des Weiteren können sich in der Hohlkammer lichtverändemde Mittel wie eine Platte mit Prismenstruktur befinden.It is also particularly advantageous if the surface of the light entry side facing the hollow chamber has a microprism structure and the surface of the light entry side remote from the hollow chamber has a smooth structure. Furthermore, in the hollow chamber lichtverändemdede may be like a plate with prismatic structure.

Gemäß vorteilhafter Weiterbildungen der Erfindung kann das Leuchtengehäuse aus einem schmalen länglichen Aluminiumprofil und das Hohlkammerprofil aus zwei Teilen bestehen.According to advantageous developments of the invention, the luminaire housing can consist of a narrow elongate aluminum profile and the hollow chamber profile of two parts.

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

Figur 1
eine erfindungsgemäße Leuchte im Querschnitt und in 3D-Ansicht,
Figur 2
einen Querschnitt durch eine erste Variante eines erfindungsgemäßen Hohlkammerprofil,
Figur 3
einen Querschnitt durch eine zweite Variante eines erfindungsgemäßen Hohlkammerprofil,
Figur 4
einen Querschnitt durch eine dritte Variante eines erfindungsgemäßen Hohlkammerprofil,
Figur 5
einen Querschnitt durch eine vierte Variante eines erfindungsgemäßen Hohlkammerprofil,
The invention will be explained in more detail with reference to the accompanying drawings. Show it:
FIG. 1
a luminaire according to the invention in cross section and in 3D view,
FIG. 2
a cross section through a first variant of a hollow chamber profile according to the invention,
FIG. 3
a cross section through a second variant of a hollow chamber profile according to the invention,
FIG. 4
a cross section through a third variant of a hollow chamber profile according to the invention,
FIG. 5
a cross section through a fourth variant of a hollow chamber profile according to the invention,

Figur 1 zeigt die erfindungsgemäße Leuchte 1 in perspektivischer Ansicht und im Querschnitt. Die Leuchte 1 besteht im Wesentlichen aus einem Leuchtengehäuse 2, einem zumindest teillichtdurchlässigen Hohlkammerprofil 3, zwei Stirnseiten 6 und im Inneren der Leuchte 1 aus einer Dichtung 4 und einer Lichtquelle 5, wobei der Lichtquelle 5 zusätzlich noch elektronische Steuermittel zugeordnet sein können. FIG. 1 shows the lamp 1 according to the invention in a perspective view and in cross section. The luminaire 1 consists essentially of a luminaire housing 2, an at least partial translucent hollow chamber profile 3, two end faces 6 and inside the luminaire 1 of a seal 4 and a light source 5, wherein the light source 5 additionally electronic control means may be assigned.

Bei dem Leuchtengehäuse 2 handelt es sich vorzugsweise um ein schmales längliches Aluminium-Extrusionsprofil. Das Profil ist dabei im Wesentlichen U-förmig ausgebildet, wobei über die Öffnung der U-Form die Lichtabgabe erfolgt. Die Stirnseiten 6 des Profils sind jeweils verschlossen, sodass die Lichtabgabe auch nur über die Öffnung erfolgen kann.The luminaire housing 2 is preferably a narrow, elongated aluminum extrusion profile. The profile is essentially U-shaped, with the light being emitted via the opening of the U-shape. The end faces 6 of the profile are each closed, so that the light output can be made only through the opening.

In der Öffnung des Leuchtengehäuses 2 ist das erfindungsgemäße zumindest teillichtdurchlässige Hohlkammerprofil 3 platziert, dass beispielsweise im Spritzgussverfahren oder im Extrusionsverfahren hergestellt werden kann. Das Hohlkammerprofil 3 ist im Wesentlichen quaderförmig ausgebildet, wobei die Länge und Breite des Hohlkammerprofils 3 der Länge und Breite der Öffnung des Leuchtengehäuses 2 entspricht. Hierdurch liegt das Hohlkammerprofil 3 an den Außenwänden 7 des Leuchtengehäuses 2 und den Stirnseiten 6 an, wodurch bei der erfindungsgemäßen Leuchte 1 von außen nur das Leuchtengehäuses 2, das Hohlkammerprofil 3 und die Stirnseiten 6 zu erkennen sind.In the opening of the lamp housing 2, the inventive at least part-permeable hollow chamber profile 3 is placed that can be produced for example by injection molding or by extrusion. The hollow chamber profile 3 is formed substantially cuboid, wherein the length and width of the hollow chamber profile 3 corresponds to the length and width of the opening of the lamp housing 2. As a result, the hollow chamber profile 3 is located on the outer walls 7 of the lamp housing 2 and the end faces 6, whereby only the lamp housing 2, the hollow chamber profile 3 and the end faces 6 can be seen in the inventive lamp 1 from the outside.

Das quaderförmige Hohlkammerprofil 3 weist eine Lichteinstrittsseite 14 und eine Lichtaustrittsseite 15 auf. Zwischen den beiden Seiten 14, 15 befindet sich eine Hohlkammer 13, die durch Außenseiten 16 abgeschlossen wird, wobei diese Außenseiten 16 die Lichteintrittsseite 14 mit der Lichtaustrittsseite 15 verbinden, wodurch sich die Quaderform des erfindungsgemäßen Hohlkammerprofils 3 ergibt. Die der Hohlkammer 13 abgewandte Fläche 17 der Lichteintrittsseite 14 weist an den Rändern umlaufend eine Auflagefläche 11 für eine Dichtung 4 auf. Die Auflagefläche 11 ist hierbei etwas breiter als eine Dichtung 4.The cuboid hollow chamber profile 3 has a light inlet side 14 and a light exit side 15. Between the two sides 14, 15 is a hollow chamber 13 which is closed by outer sides 16, wherein these outer sides 16 connect the light entrance side 14 with the light exit side 15, resulting in the cuboid shape of the hollow chamber profile 3 according to the invention. The hollow chamber 13 facing away from surface 17 of the light inlet side 14 has at the edges circumferentially on a support surface 11 for a seal 4. The support surface 11 is slightly wider than a seal. 4

Im Anschluss an die Auflagefläche 11 sind auf der der Hohlkammer 13 abgewandten Fläche 17 der Lichteintrittsseite 14 Rastarme 8 angebracht, die sich jedoch nicht vollständig bis zu den Stirnseiten 6 des Leuchtengehäuses 2 erstrecken, um die bereits oben beschriebene Auflagefläche 11 für eine Dichtung 4 umlaufend bilden zu können. Die Rastarme 8 können hierbei aus mehreren einzelnen Rastarmen, oder aber auch jeweils aus einem durchlaufenden Rastarm bestehen.Following the bearing surface 11 14 locking arms 8 are mounted on the side facing away from the hollow chamber 13 of the light entrance side, but not completely extend to the end faces 6 of the lamp housing 2 to form the already described above support surface 11 for a seal 4 circumferentially to be able to. The latching arms 8 may in this case consist of a plurality of individual latching arms, or else in each case from a continuous latching arm.

Das erfindungsgemäße Hohlkammerprofil 3 ist nun derart in dem Leuchtengehäuse 2 positioniert, dass die Rastarme 8 und damit auch die der Hohlkammer 13 abgewandte Fläche 17 der Lichteintrittsseite 14 nach innen in das Leuchtengehäuse 2 zeigt. Das Leuchtengehäuse 2 weist dabei in dem Bereich in dem die Auflagefläche 11, der der Hohlkammer 13 abgewandten Fläche 17 der Lichteintrittsseite 14, anliegt eine Nut 12 auf, die derart ausgestaltet ist, dass sie eine Dichtung 4 aufnehmen kann die dann an der Auflagefläche 11 anliegt. Dementsprechend ist es auch wie bereits oben beschrieben notwendig die Auflagefläche 11 etwas breiter als die Dichtung 4 zu gestalten, damit der von den Außenwänden 7 des Leuchtgehäuses 2 abstehende Teil der Nut 12 entsprechend Platz vor den Rastarmen 8 findet. Die Rastarme 8, die senkrecht auf der der Hohlkammer 13 abgewandten Fläche 17 der Lichteintrittsseite 14 stehen verrasten im Anschluss an die Nut 12 in einer hierfür vorgesehenen Vertiefung 10, wodurch die Rastarme 8 etwas länger als Dichtung 4 bzw. die Nut 12 sein müssen. Die Rastarme 8 sind zur Verrastung außerdem noch an ihren Enden zu einem zur Mitte des Leuchtengehäuses 2 öffnenden V 9 geformt, wobei die Spitze des V 9 in die Vertiefung 10 einrastet. Die Höhe des quaderförmigen Hohlkammerprofils 3 entspricht in etwa der Länge der Außenwände 7 des Leuchtengehäuses 2, beginnend von der Öffnung des Leuchtengehäuses 2 bis zum Beginn der Nut 12.The hollow chamber profile 3 according to the invention is now positioned in the luminaire housing 2 in such a way that the latching arms 8 and thus also the surface 17, facing away from the hollow chamber 13, of the light inlet side 14 points inwardly into the luminaire housing 2. The luminaire housing 2 has in this case in the region in which the support surface 11, the hollow chamber 13 facing away from surface 17 of the light inlet side 14, a groove 12 which is configured such that it can receive a seal 4 which then rests against the support surface 11 , Accordingly, it is also necessary, as already described above, to make the bearing surface 11 slightly wider than the seal 4, so that the part of the groove 12 projecting from the outer walls 7 of the luminous housing 2 correspondingly finds space in front of the latching arms 8. The latching arms 8, which are perpendicular to the side facing away from the hollow chamber 13 17 of the light entry side 14 engage in the connection to the groove 12 in a recess provided for this purpose, whereby the latching arms 8 must be slightly longer than the seal 4 and the groove 12. The latching arms 8 are also formed for locking at their ends to a V 9 opening to the center of the lamp housing 2, wherein the tip of the V 9 engages in the recess 10. The height of the cuboid hollow chamber profile 3 corresponds approximately to the length of the outer walls 7 of the lamp housing 2, starting from the opening of the lamp housing 2 to the beginning of the groove 12th

Durch die Anordnung der Dichtung 4 in Verbindung mit den Rastarmen 8 ist es nun gewährleistet, dass die Auflagefläche 11 der der Hohlkammer 13 abgewandten Fläche 17 der Lichteintrittsseite 14 sauber an der Dichtung 4 anliegt, wodurch das Innere des Leuchtengehäuses 2 verschlossen wird. Somit ist es nicht mehr möglich, dass das Licht der Lichtquelle 5 zwischen den Außenwänden 7 des Leuchtengehäuses 2 und dem Hohlkammerprofil 3 aus der erfindungsgemäßen Leuchte 1 austreten kann. Außerdem ergibt sich bei entsprechender Ausgestaltung des Leuchtengehäuses 2 und den Stirnseiten 6 eine Leuchte 1 mit Schutzart IP54, d. h., dass der Innenraum der Leuchte 1 vor Feuchtigkeit und Staub geschützt ist und außerdem das Licht nur über das Hohlkammerprofil 3 abgegeben werden kann.The arrangement of the seal 4 in conjunction with the latching arms 8, it is now ensured that the support surface 11 of the hollow chamber 13 facing away from surface 17 of the light inlet side 14 clean against the seal 4, whereby the interior of the lamp housing 2 is closed. Thus, it is no longer possible that the light of the light source 5 between the outer walls 7 of the lamp housing 2 and the hollow chamber profile 3 can escape from the lamp 1 according to the invention. In addition, results in a corresponding design of the lamp housing 2 and the end faces 6, a lamp 1 with protection IP54, d. h., That the interior of the lamp 1 is protected from moisture and dust and also the light can be delivered only through the hollow chamber profile 3.

Durch die Hohlkammer 13, die dazu führt, dass die Lichtaustrittsseite 15 einen Abstand zur Lichteintrittsseite 14 aufweist, ergibt es sich nun, dass das Licht über die vollständige der der Hohlkammer 13 abgewandten Fläche 19 der Lichtaustrittsseite 15 abgegeben wird. Die geometrischen Verhältnisse sind so gewählt, dass das Licht auch bis zu den seitlichen Bereichen der Lichtaustrittsseite 15 gelangen kann, bei denen bei der Lichteintrittsseite 14 kein Lichteinfall mehr gegeben ist. Hierdurch ist auch die Dichtung 4 nicht mehr sichtbar.Due to the hollow chamber 13, which causes the light exit side 15 has a distance from the light inlet side 14, it now follows that the light over the complete of the hollow chamber 13 facing away from surface 19 of the light exit side 15 is discharged. The geometrical conditions are chosen so that the light can also reach up to the lateral areas of the light exit side 15, in which at the light entrance side 14 no more light is given. As a result, the seal 4 is no longer visible.

Um diesen Effekt noch weiter zu optimieren, besteht die Möglichkeit, die Lichteintrittsseite 14 des erfindungsgemäßen Hohlkammerprofils 3 opal bzw. lichtstreuend auszubilden, wodurch die oben beschriebene Lichtvergleichmäßigung noch weiter verbessert wird. Diese Möglichkeit ist in Figur 5 dargestellt. Es wäre aber auch denkbar, dass nur die Lichtaustrittsseite 15 opal ausgebildet ist. Bei beiden Ausbildungen ist insbesondere die Herstellung des Hohlkammerprofils 3 im Zweikomponentenspritzgussverfahren vorteilhaft. Eine andere Optimierungsmöglichkeit ist die Verwendung eines insgesamt opal ausgebildeten Hohlkammerprofils 3, wie dies in Figur 2 gezeigt ist.In order to optimize this effect even further, it is possible to form the light entry side 14 of the hollow chamber profile 3 according to the invention opal or light-scattering, whereby the above-described light uniformity is further improved. This possibility is in FIG. 5 shown. It would also be conceivable that only the light exit side 15 is opal. In both embodiments, in particular the production of the hollow chamber profile 3 in the two-component injection molding process is advantageous. Another optimization possibility is the use of a total of opal trained hollow chamber profile 3, as in FIG. 2 is shown.

Falls jedoch eine gerichtete Lichtabstrahlung erwünscht ist, kann die Verwendung einer Mikroprismenstruktur vorgesehen sein. Hierzu sind die Mikroprismen vorzugsweise an der der Hohlkammer 13 zugewandten Fläche 18 der Lichteintrittsseite 14 ausgebildet, wie dies in Figur 3 gezeigt wird.However, if directional light emission is desired, the use of a microprism structure may be provided. For this purpose, the microprisms are preferably on the hollow chamber 13 facing surface 18 of the light entrance side 14 is formed, as shown in FIG FIG. 3 will be shown.

In Figur 4 hingegen ist in der Hohlkammer 13 zusätzlich noch eine Platte 20 untergebracht, die eine Prismenstruktur aufweist und damit eine Alternative zu dem in Figur 3 gezeigten Hohlkammerprofil 3 ist. Anstelle der in Figur 4 gezeigten Platte 20 könnten aber auch andere lichtverändernde Mittel, wie beispielsweise ein Farbfilter oder Microraster, in der Hohlkammer 13 angeordnet sein.In FIG. 4 In contrast, a plate 20 is additionally housed in the hollow chamber 13, which has a prismatic structure and thus an alternative to the in FIG. 3 shown hollow chamber profile 3 is. Instead of in FIG. 4 but also other light-modifying means, such as a color filter or micro-grid, could be arranged in the hollow chamber 13.

Die der Hohlkammer 13 abgewandte Fläche 19 der Lichtaustrittsseite 15 ist hingegen vorzugsweise immer glatt ausgebildet, da hierdurch das Ansetzen von Saugnäpfen möglich ist, um das Hohlkammerprofil 3 aus dem Leuchtengehäuse 2 wieder zu entfernen. Dies stellt in der Regel auch die einzige Möglichkeit dar, in das Innere der Leuchte 1 zu gelangen. Würden beispielsweise Mikroprismen an der Unterseite des Hohlkammerprofils 3 ausgebildet sein, wäre das Ansetzen der Saugnäpfe nicht möglich und das Hohlkammerprofil 3 könnte nur mittels speziell ausgestalteter Werkzeuge entfernt werden.The hollow chamber 13 facing away from surface 19 of the light exit side 15, however, is preferably always smooth, since this is the preparation of Saugnäpfen possible to remove the hollow chamber profile 3 from the lamp housing 2 again. This is usually the only way to get into the interior of the lamp 1. If, for example, microprisms were to be formed on the underside of the hollow chamber profile 3, the application of the suction cups would not be possible and the hollow chamber profile 3 could only be removed by means of specially designed tools.

Das in den Figuren 1 bis 5 vorgestellte erfindungsgemäße Hohlkammerprofil 3 ist einstückig ausgebildet. Das bedeutet jedoch nicht, dass ein derartiges Hohlkammerprofil nicht auch aus zwei Teilen bestehen könnte, so wäre es denkbar, dass die Lichtaustrittsseite durch ein zweites Teil gebildet wird, welches mit der Lichteintrittsseite verrastet bzw. in dieses eingeschoben wird.That in the FIGS. 1 to 5 presented inventive hollow chamber profile 3 is integrally formed. However, this does not mean that such a hollow chamber profile could not consist of two parts, it would be conceivable that the light exit side is formed by a second part which is latched with the light inlet side or inserted into this.

Auch die Form der Leuchte bzw. des Leuchtengehäuses und des Hohlkammerprofils muss nicht zwingend ein schmales längliches Profil aufweisen. So könnte auch ein rundes Leuchtengehäuse zum Einsatz kommen, wobei hierfür auch das Hohlkammerprofil entsprechend rund ausgebildet sein müsste.The shape of the lamp or the lamp housing and the hollow chamber profile does not necessarily have to have a narrow elongated profile. For example, a round luminaire housing could also be used, for which purpose the hollow chamber profile would also have to be correspondingly round.

Claims (14)

  1. A luminaire (1) having
    • a luminaire housing (2) with an opening in the radiation direction and also
    • an at least partially transparent covering profile that is formed as a hollow-chamber profile (3) and is detachably fastened in the opening of the luminaire housing (2),
    characterised in that
    the hollow-chamber profile (3) has a light-entry side (14) and a light-exit side (15), and a hollow chamber (13) is located between the two sides (14, 15),
    wherein the hollow-chamber profile (3) is formed so that it can be detachably fastened by means of latching means fitted on the light-entry side.
  2. A luminaire (1) according to claim 1,
    characterised in that
    the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13) has at its edge a support surface (11) for a seal (4).
  3. A luminaire (1) according to claim 2,
    characterised in that
    the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13) rests against the luminaire housing (2), wherein a seal (4) is fitted between the support surface (11) and the luminaire housing (2), and wherein preferably the luminaire housing (2) has a groove (12) for receiving the seal (4) in the region against which rests the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13).
  4. A luminaire (1) according to one of claims 1 to 3,
    characterised in that
    the latching means are latching arms (8) which extend from the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13) perpendicularly in the direction of the luminaire housing (2) and latch with the luminaire housing (2), wherein the latching arms (8) are fitted on the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13), following on from the support surface (11).
  5. A luminaire (1) according to one of claims 1 to 4,
    characterised in that
    the surface (18) of the light-entry side (14) that faces the hollow chamber (13) has a microprism structure.
  6. A luminaire (1) according to one of claims 1 to 5,
    characterised in that
    the surface (19) of the light-exit side (15) that is remote from the hollow chamber (13) has a smooth structure.
  7. A covering profile for assembly in a luminaire housing (2) of a luminaire (1) according to claim 1, wherein the covering profile that is formed as a hollow-chamber profile (3) is at least partially transparent,
    characterised in that
    the hollow-chamber profile (3) has a light-entry side (14) and a light-exit side (15), and a hollow chamber (13) is located between the two sides (14, 15),
    wherein the hollow-chamber profile (3) can be detachably fastened to a luminaire housing (2) by means of latching means fitted on the light-entry side (14).
  8. A covering profile according to claim 7,
    characterised in that
    the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13) has at its edge a support surface (11) for a seal (4).
  9. A covering profile according to claim 7 or 8,
    characterised in that
    the latching means are latching arms (8) which extend from the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13) perpendicularly in the direction of a luminaire housing (2) and can be latched with a luminaire housing (2), wherein the latching arms (8) are fitted on the surface (17) of the light-entry side (14) that is remote from the hollow chamber (13), following on from the support surface (11).
  10. A covering profile according to one of claims 7 to 9,
    characterised in that
    the surface (18) of the light-entry side (14) that faces the hollow chamber (13) has a microprism structure.
  11. A covering profile according to one of claims 7 to 10,
    characterised in that
    the surface (19) of the light-exit side (15) that is remote from the hollow chamber (13) has a smooth structure.
  12. A luminaire or covering profile according to one of the previous claims,
    characterised in that
    the hollow-chamber profile (3) as a whole, its light-entry side (14) and/or its light-exit side (15) is formed so as to be opal or light-dispersing.
  13. A luminaire or covering profile according to one of the previous claims,
    characterised in that
    light-changing means, in particular a plate (20) with a prism structure, are fitted in the hollow chamber (13).
  14. A luminaire or covering profile according to one of the previous claims,
    characterised in that
    the hollow-chamber profile (3) consists of two parts.
EP08160978A 2007-09-28 2008-07-23 Lamp with covering profile Active EP2042802B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007046757A DE102007046757A1 (en) 2007-09-28 2007-09-28 Luminaire with cover profile

Publications (2)

Publication Number Publication Date
EP2042802A1 EP2042802A1 (en) 2009-04-01
EP2042802B1 true EP2042802B1 (en) 2012-01-04

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EP (1) EP2042802B1 (en)
AT (1) ATE540260T1 (en)
DE (1) DE102007046757A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013101775U1 (en) * 2013-04-24 2014-07-28 Zumtobel Lighting Gmbh Luminaire cover for an elongated lighting arrangement
DE202014101961U1 (en) * 2014-04-25 2015-07-28 Zumtobel Lighting Gmbh Luminaire device with a lamp housing and a releasably attachable to the lamp housing light cover
DE202015105153U1 (en) * 2015-09-30 2017-01-02 Zumtobel Lighting Gmbh Cover for a lighting system, arrangement with such a cover, as well as lighting system
CH715292B1 (en) * 2018-08-29 2022-10-31 Regent Beleuchtungskoerper Ag Optics blank, process and linear light.
DE202019107018U1 (en) * 2019-12-17 2021-03-18 Zumtobel Lighting Gmbh Lighting system with translucent cover element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8209696U1 (en) * 1982-09-09 Richter & Diekmann GmbH & Co, 2800 Bremen Luminous element
FR1303671A (en) * 1961-08-08 1962-09-14 Holophane Protective coating of prismatic panels for lighting devices
DE3612987A1 (en) * 1986-04-17 1987-10-29 Hella Kg Hueck & Co VEHICLE HEADLIGHTS
US5128848A (en) * 1989-03-31 1992-07-07 W.C. Heraeus Gmbh Operating light
US6402349B1 (en) * 2001-07-30 2002-06-11 Jack V. Miller Dual lighting lens panel

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EP2042802A1 (en) 2009-04-01
ATE540260T1 (en) 2012-01-15

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