EP2994693A1 - Élément de recouvrement pour luminaire surfacique - Google Patents

Élément de recouvrement pour luminaire surfacique

Info

Publication number
EP2994693A1
EP2994693A1 EP14719279.3A EP14719279A EP2994693A1 EP 2994693 A1 EP2994693 A1 EP 2994693A1 EP 14719279 A EP14719279 A EP 14719279A EP 2994693 A1 EP2994693 A1 EP 2994693A1
Authority
EP
European Patent Office
Prior art keywords
frame
light
cover element
luminaire
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14719279.3A
Other languages
German (de)
English (en)
Other versions
EP2994693B1 (fr
Inventor
Michael Spiegel
Tanja ILIC
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
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2994693A1 publication Critical patent/EP2994693A1/fr
Application granted granted Critical
Publication of EP2994693B1 publication Critical patent/EP2994693B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F21V7/00—Reflectors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • 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
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21Y2101/00—Point-like light sources
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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 frame-like cover member according to the preamble of claim 1, which is provided for covering the edge region of a so-called surface light.
  • a surface light usually knows a box-shaped, usually rectangular housing, which forms a Lichtabstrahlö réelle on one side over which surface light is emitted.
  • the surface light differs from other lighting constructions in which light or spotlight is emitted individually via individual light sources.
  • light sources and the light sources associated optics are provided, via which a corresponding influence of the emitted light is made.
  • LED-based light sources are increasingly being used.
  • area lights in particular larger LED boards are used, on which the LEDs are arranged like a matrix.
  • such lights usually have a frame-like cover element. This is arranged on the side of the light exit opening on the lamp housing and serves to surround the actual light exit opening, via which light is emitted, like a frame. It is primarily an element that enhances the appearance of the luminaire.
  • optical elements are arranged within the housing, via which the emitted light is influenced.
  • these have generally been separate components, which have been fastened in a corresponding manner in the housing.
  • the present invention has for its object to provide a novel solution for the realization of such a surface light, which is simplified in terms of their structure.
  • a frame-like cover element for a luminaire with a box-shaped luminaire housing, which has a light exit opening on one side is proposed, wherein the cover element is designed to be arranged in the region of the light exit opening of the housing at this and in the manner of a frame a light delivery area of the luminaire comprise, and wherein according to the invention the cover member is integrally connected to a preferably extending in the inner region of the lamp housing optical element, which is provided for influencing the light emitted by the lamp light.
  • optical element which is part of the cover element or
  • Raster arrangement in particular to act a so-called cell grid.
  • Such optics are used, for example, when light is to be emitted over a larger area, but at the same time the impression is to be given that there would be a multitude of individual light sources.
  • the grid arrangement can have, for example, a plurality of matrix-arranged reflector cells, each of which has the shape of a truncated pyramid.
  • the optical element can also be one or more reflector walls, which extend from the cover element to a light source located in the luminaire housing.
  • the lighting means the aforementioned flat LED boards are formed.
  • the reflector walls preferably extend inclined from the outer edge of the housing to the corresponding edge region of the LED board.
  • a transparent light emitting element is preferably arranged in the region of the light output of the lamp, which, for example, a
  • Diffuser disc or a prismatic disk comprises.
  • the cover element forms bearing surfaces which extend inwardly from the frame and can be used to support the flat light emitting element.
  • Fig. 1 shows a part of a surface light, in which an inventive
  • Luminaire cover according to a first embodiment of the present invention is used
  • Figure 2 is an enlarged sectional view of a side portion of the lamp of Figure 1, in which the embodiment of the cover with the integrated reflector can be seen;
  • Fig. 3 is a perspective view of a second embodiment
  • Fig. 4 is a sectional view of the lamp cover of Fig. 3 and Fig. 5 shows a third embodiment of a lamp cover according to the invention.
  • a so-called area light 100 is shown in Fig. 1, are used in the LEDs as light sources.
  • the luminaire 100 has a box-shaped luminaire housing 101, on the bottom surface 102 of which the LED light sources are arranged in a planar manner.
  • the four side walls form a rectangular Lichtabstrahlö réelle 103 through which light is emitted.
  • a flat light emitting element is arranged in the region of the light emission opening 103, the structure of which will be described in more detail later.
  • LEDs are used as light sources, which in the present case are arranged like a matrix on a plurality of LED boards 110, which are connected to the
  • the LED boards 110 are covered by a planar reflector element 111, so that the LEDs are protected against accidental contact.
  • the transparent light emitting element 120 is designed such that it dissolves the individual points of the LED boards 110. That is, the light-emitting element 120 has light-diffusing or light-influencing
  • Edge region of the light emission opening 103 extend.
  • Fig. 1 in particular, located on the left side of the housing reflector wall 20 can be seen.
  • a lamp of the type shown usually also has a so-called frame-like cover, which is arranged at the open end portion of the housing 101.
  • it forms a peripheral frame which encompasses the light emission opening so that the front sides of the housing 101 are not recognizable to a viewer. So far, it was in the cover member 10 and the reflector walls 20 to separate elements that were to be attached during assembly of the lamp 100 in a corresponding manner to the housing 101.
  • Luminaire structure is now proposed that the optical elements, ie in particular the reflector walls 20 are part of the cover 10.
  • This Invention idea can be closer to the enlarged sectional view of Fig. 2 taken, showing a lateral end portion of the lamp housing 101.
  • the frame part 10 is designed such that it rests against the underside of the luminaire housing 101, but in this case additionally extends in the form of an oblique reflector 20 into the luminaire interior, in particular as far as the bottom surface 102.
  • this is an integrally formed part whose regions, which form the reflector surfaces, are optionally additionally coated with reflective materials.
  • the attachment of the cover 10 of the invention to the lamp housing 101 is preferably carried out in that in the lower portion of the
  • Reflector wall portion is provided a detent opening into which a recognizable in Figure 2 mounting spring 30 engages.
  • This fixing spring 30 is first attached, for example, by means of a screw on the housing side wall and protrudes easily into the inner region of the lamp housing 101 inside. Then, the cover 10 is inserted with the reflector walls 20 from the bottom into the open luminaire housing 101, the springs 30 automatically engage in the corresponding openings of the reflector walls 20 and snuggle with them, such that the
  • Unit lighting cover reflector is locked in a simple but efficient manner with the housing 101.
  • the reflector wall 20 is designed to be slightly bent, as can be seen in the illustration of FIG. 2. This leaves in the lower area a slightly larger space for the arrangement of the components required for the attachment.
  • the reflector walls 20 themselves then extend obliquely upward as far as possible into the edge region of the LED boards 1 10.
  • the frame portion of the cover 10 is designed such that inwardly projecting bearing surfaces for the transparent planar Lichtabstrahlelement 120 are formed.
  • the light-emitting element is generally not a single planar element but a layer arrangement consisting of a plastic disk 121, which may optionally be provided with a prismatic, and a scattering film 122 arranged above it to even out the light output over the entire Area across.
  • the structure of this flat Lichtabstrahlelements 120 could, depending on the desired
  • the frame portion of the cover is designed such that inwardly projecting projections 11 are formed, which extend over the four longitudinal sides of the Lichtabstrahlö réelle 103 away and accordingly can be used to support the Lichtabstrahlelements 120 ,
  • These bearing areas 11 can be formed in the case of an embodiment of the cover as a sheet metal part in a simple manner such that the corresponding
  • the cover or placed on the support surfaces 11 and then the resulting unit is inserted into the lamp housing 101 and locked by means of the springs 30.
  • the springs 30 may each have on their underside an inwardly projecting projection 31 which comes into contact with the top of the radiating element 120.
  • this element is securely fixed in the desired position, so that a simple transport of the lamp 100 is made possible without the falling out of the radiating element 120 is to be feared.
  • the design of the cover which unifies the functions of the frame and the reflectors, simplifies the construction of the luminaire as a whole, and thus in particular also its assembly, through the special design of the cover.
  • FIGS. 3 and 4 An alternative variant for forming a luminaire cover according to the invention is shown in FIGS. 3 and 4.
  • cover 40 itself is shown, which in turn could be used in a luminaire, as shown in Figure 1.
  • the cover 40 is therefore in turn initially intended to form a lower frame in the region of the light exit opening of the luminaire, but at the same time the cover 40 includes an optic for
  • the optics consists of a so-called cell grid 45, that is, a plurality of cup-shaped arranged in a matrix
  • Reflector cells 46 which is the direction of the light directed towards the bottom.
  • the reflector cells 46 are corresponding to the representation of FIG. 4
  • each one cell 45 is a single light source
  • the element 40 fulfills both functions, namely on the one hand to provide a frame-shaped cover and on the other hand to form an optical system for influencing the light output.
  • corresponding representation of Fig. 3 can be seen around the cell grid system 45 around a frame-like portion 41, is discharged via the diffused light.
  • the central area can also be used as a flat area 42 without
  • Luminaire housing had to be mounted.
  • FIG. 5 shows a third exemplary embodiment of a cover 50 according to the invention, which in many parts resembles the embodiment of FIGS. 3 and 4.
  • the optics which is formed by the cover 50, from a cell grid system 55, which now, however, consists of two mutually parallel Refiektor Herbertn 46.
  • the reflectors are analogous to that
  • Embodiment of Figures 3 and 4 formed like a truncated pyramid.
  • peripheral frame 51 of the cover 50 serves the corresponding cover of the end portion of the box-shaped lamp housing.
  • Diffuse light-emitting longitudinal surfaces 52 are formed on both sides of the grid system 55. Also applies to this embodiment, that a single component several tasks of a surface lamp can be realized.

Landscapes

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

Abstract

L'invention concerne un élément de recouvrement en forme de cadre (10; 40; 50) pour un luminaire (100), comprenant un boîtier de luminaire (101) en forme de boîte, présentant sur un côté, une ouverture de sortie de lumière (103), configuré de manière à être disposé, dans la zone de l'ouverture de sortie de lumière (103) du boîtier (102), sur ce boîtier, et à comprendre, selon l'invention, sous forme de cadre, une zone d'émission de lumière du luminaire (100), l'élément de recouvrement (10; 40; 50) étant relié d'une seule pièce, avec au moins un élément optique (20; 45; 55) s'étendant de préférence dans la partie intérieure du boîtier de luminaire (101), lequel est prévu pour influencer la lumière émise par le luminaire (100).
EP14719279.3A 2013-04-25 2014-04-17 Élément de recouvrement pour luminaire surfacique Active EP2994693B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202013101791.4U DE202013101791U1 (de) 2013-04-25 2013-04-25 Abdeckungselement für Flächenleuchte
PCT/EP2014/057927 WO2014173819A1 (fr) 2013-04-25 2014-04-17 Élément de recouvrement pour luminaire surfacique

Publications (2)

Publication Number Publication Date
EP2994693A1 true EP2994693A1 (fr) 2016-03-16
EP2994693B1 EP2994693B1 (fr) 2018-12-12

Family

ID=50549309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14719279.3A Active EP2994693B1 (fr) 2013-04-25 2014-04-17 Élément de recouvrement pour luminaire surfacique

Country Status (6)

Country Link
US (1) US9958135B2 (fr)
EP (1) EP2994693B1 (fr)
CN (1) CN105164466A (fr)
AT (1) AT18041U1 (fr)
DE (2) DE202013101791U1 (fr)
WO (1) WO2014173819A1 (fr)

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EP3057082B1 (fr) * 2015-02-15 2019-10-09 Beijing Universal Lanbo Technology Co., Ltd. Affichage à del et affichages à del
DE102016118679A1 (de) * 2016-09-30 2018-04-05 Siteco Beleuchtungstechnik Gmbh Leuchte mit Rastfedersystem zur Befestigung einer Abdeckung
CN112204305A (zh) * 2018-06-08 2021-01-08 昕诺飞控股有限公司 刚性照明单元
DE102021101748B4 (de) 2021-01-27 2022-12-08 Oligo Lichttechnik Gmbh Oberflächenkontroll- oder Farbabmusterungsleuchte

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Also Published As

Publication number Publication date
CN105164466A (zh) 2015-12-16
AT18041U1 (de) 2023-11-15
US9958135B2 (en) 2018-05-01
US20160069532A1 (en) 2016-03-10
EP2994693B1 (fr) 2018-12-12
WO2014173819A1 (fr) 2014-10-30
DE202014011256U1 (de) 2018-11-07
DE202013101791U1 (de) 2014-07-28

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