EP2258978A2 - Luminaire avec une glace de fermeture transparente - Google Patents

Luminaire avec une glace de fermeture transparente Download PDF

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Publication number
EP2258978A2
EP2258978A2 EP10179180A EP10179180A EP2258978A2 EP 2258978 A2 EP2258978 A2 EP 2258978A2 EP 10179180 A EP10179180 A EP 10179180A EP 10179180 A EP10179180 A EP 10179180A EP 2258978 A2 EP2258978 A2 EP 2258978A2
Authority
EP
European Patent Office
Prior art keywords
light
disc
edge
lamp
luminaire according
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
EP10179180A
Other languages
German (de)
English (en)
Other versions
EP2258978A3 (fr
EP2258978B1 (fr
Inventor
Günther SEJKORA
Markus Bohle
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
Priority claimed from EP01994727A external-priority patent/EP1337786A2/fr
Publication of EP2258978A2 publication Critical patent/EP2258978A2/fr
Publication of EP2258978A3 publication Critical patent/EP2258978A3/fr
Application granted granted Critical
Publication of EP2258978B1 publication Critical patent/EP2258978B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/26—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of snap action of elastically deformable elements held against the underside of the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/32—Translucent ceilings, i.e. permitting both the transmission and diffusion of light
    • 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • F21V17/104—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 feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F21V17/12—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 screwing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • 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
    • 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
    • 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
    • F21Y2113/00—Combination of light sources

Definitions

  • the invention relates to a luminaire according to the preamble of claim 1.
  • a lamp of this kind belongs to a known lighting principle and is z. B. in the DE 299 06 884 U described.
  • An essential part of such a luminaire are at least one receiving device for at least one light source, which generates the light required for illuminating a room, a translucent disc which is arranged between the receiving device and the space to be illuminated and whose outer surface facing the space forms a radiating surface, and a base body on which the light source or its connection means and the disc are held.
  • the disc of the lamp is arranged so that it is enclosed by the base body.
  • the disk is held on the base body in such a way that it rests on an inner leg of the base body which extends approximately parallel to the disk.
  • an edge strip in the form of an outer limb may additionally protrude approximately parallel to the disk from the base body, which serves to cover the installation gap of an installation opening, so that the installation gap is not visible from the room.
  • the base body of the room to be illuminated forth visible edge strips which are arranged at a light of a light strip on at least two opposite sides of the lamp and a single light on the entire circumference of the lamp and in particular in the illuminated state of the lamp as dark Areas are visible.
  • a light panel which fits into a ceiling panel and has a flat-domed reflector, a light source disposed therein and a glass pane whose width corresponds to the width of the reflector and which rests against flat edge portions of the reflector.
  • the disc and the reflector which are thus sandwiched in their edge regions, are fixed to the underside of a holding frame, which in turn is attached to the existing ceiling.
  • a light image of different brightness and / or different bright areas of light produced by the light radiation is produced on the emission surface of the pane by the surface or Profiling light source and caused by their environment or the reflection surface.
  • this is attributable to the fact that the luminance of the light emitted at the emission surface of the pane is greater in the region of the light source than adjacent to the light source, which is generally arranged in the middle region of the pane, ie in the lateral areas of the emission area.
  • this is due to the fact that the distance between the light source and the disc increases in the lateral areas of the disc and the light impinges on the disc with smaller angles and must illuminate a larger area.
  • the invention has for its object to improve a lamp specified in the preamble of claim 1 type with respect to a glare. Furthermore, the aim is differences in the photograph, z. B. recognizable structures of the light source, and to avoid differences in the brightness of the light image or at least reduce.
  • Luminaires with a microstructure having discs are only recently on the market . In these lights, the light is radiated laterally or narrow side into the disc, and the light occurs on the broad side of the microstructure of the disc substantially glare-free.
  • the pane having the microstructure is transversely irradiated by the at least one light source, the light rays radiating from the emitting surface without any significant glare effect.
  • the translucent disk with a microstructure it is advantageous not only to provide the translucent disk with a microstructure, but also provide Lichter josungsstoff ensure that the light entering the disc or luminance of the light at all points of the disc is about the same size. As a result, different bright areas and structures are avoided or at least diminished in recognizable on the radiating surface of the lamp in their functional operation light image.
  • the light equalization means can thus be formed by various measures which can be used alternatively or cumulatively.
  • a first possibility is to use a foil with scattering effect, which can be arranged directly on the inside of the pane or at a distance to it.
  • the scattering effect can be adapted differently at different locations and to the respective amount of light or luminance of the light which is incident there.
  • Another light equalizing means may be constituted by a diffusing screen disposed between the disk and the light source, which diffuses the light transmitted therethrough.
  • this means may also have a different scattering effect at different locations, which is adapted to the respective luminance of the incident there light.
  • Another measure is to form the reflector or its reflection surface so and / or to structure that a scattering effect, in particular a desired light distribution is achieved. Also, this scattering or reflection effect can be different at different locations and adapted to the respective luminance of the light that strikes there.
  • the above-described means or else other means according to the invention may be formed by the light passage reducing means, such that the degree of reduction decreases with the distance from the lamp.
  • the means or the disc in the middle or in the light source directly opposite region their lowest light transmittance and with increasing distance from the light source, a greater permeability, wherein it in the outer region or in the region of its largest Distance can be completely or clearly permeable. Consequently, the disc in the directly opposite region of the light source is irradiated with more light with less light and with increasing distance from the light source with more light, and correspondingly more light is emitted at the emission surface.
  • the light radiation and resulting on the radiating surface light image by the targeted Light distribution in the desired manner uniformed, and light contrasts and differences in brightness avoided or at least reduced.
  • the radiation loss is kept low, because with increasing distance from the light source, the permeability and the passage of light increases.
  • the lamp structure or the lamp profile is deliberately defused in the photograph, so that it is not recognizable.
  • the passage of light of the disc is in each case so large with respect to the distance from the light source, that the light image resulting on the radiating surface or the radiation or luminance of the radiated light in the region of the emission opening of the luminaire is substantially equal.
  • the means according to the invention can be arranged on the pane itself or on an inner pane or film arranged between it and the light source or on the reflector.
  • the means may be partially reflective, the reflectance decreasing with increasing distance from the light source. As a result, a low-loss light distribution is achieved due to the partial reflection.
  • the reflection surface of the reflector has a scattering structure, e.g. in the form of grooves or grids, and / or if, in the emission direction - viewed from the base of the base body - behind the light source, an opal lens is arranged.
  • the light rays are increasingly scattered, which also leads to a reduction or avoidance of differences in brightness and equalization of the light image in the sense described above.
  • the embodiments of the invention are also very advantageous in combination with a base body, the edge of which is at least partially covered by the disc and in which the base body and the disc converge only at the edge of the disc and form within the edge of a free space, the direct light irradiation of allows the light source to the edge of the disc.
  • a space may converge towards the edge of the disc or extend obliquely.
  • the invention has the object of providing a lamp of the type specified in the preamble of claim 14 in such a way that an indirect lighting is possible even with simple and low construction.
  • a part of the reflector is replaced by another translucent disc which includes an acute angle with a first translucent disc.
  • the additional disc replaces the reflector, wherein it also replaces a housing wall possibly present in its area of a luminaire base part or luminaire housing.
  • a laterally upwardly directed radiating surface for indirect lighting can be formed, wherein the radiating surface or the further disc can extend straight or rounded. It is advantageous if the further disc is arranged with the first disc in a divergent position, resulting in an effective not only laterally but also upper side for the indirect illumination radiating surface.
  • the first and the further disc may be composed of two parts in their divergent position to each other or formed in one piece, for example: be formed or formed by bending a correspondingly large disc or by injection molding. Both in a one-part and in a two-part design, the discs can be held on a light source housing or form this. They can be firmly connected to two side windows and form a unit or be held with these side windows as individual parts also on the light source housing.
  • the invention is based on the further object of providing a lamp of the type specified in the preamble of claim 22 in such a way that its attachment to a carrier is simplified.
  • the lamp is inserted into a fork-like holder, which is suitable for attachment to a support such as a wall or ceiling.
  • This embodiment of the invention makes it possible with aspired embodiment of the luminaire to completely prefabricate and easily attach it to the carrier that it is inserted into the holder attached to the carrier or attachable. Therefore, it requires only small measures to attach the lamp, namely the insertion in the fork-like holder.
  • This simplification also applies to disassembly of the lamp and also for work, eg. As maintenance, on the lamp, since such work is not at the place of attachment of the lamp, z. B. on a ladder, but after dismantling the lamp can be performed in a comfortable and safe workplace.
  • this embodiment is characterized by a simple construction, since a fork-like holder can be realized in a simple and cost-effective manner.
  • the main parts of designated in their entirety by 1 light, z. B. in the form of a recessed luminaire, are a base support 2 with a base body 3, here in the form of a frame or an upside down tub, on or on the opposite side walls 3a and distributed on the circumference holding elements 4 for holding the lamp 1 are provided on a light carrier, which are outwardly swinging in and out and preferably height adjustable (not shown) are stored.
  • the lamp 1 on: one or more, z. B. two, arranged here in the interior of the base body 3 light sources 5 or lamps, z. B.
  • the z. B. is dimensioned larger than a radiating opening 9 in the base body 3 of the lamp 1 and thus not only the emission opening 9, but also edge strip 11 at least at opposite edges of the base body 3 covers.
  • the edge strips 11 are formed by from the free edges of the side walls 3a laterally projecting edge legs 11a, the free edges of their stabilization to the side facing away from the disc 8 can be angled away by edge leg 11b. As a result, an edge region 11c of the base body 3 is formed. It is Z. B. the purpose of the edge strip 11, a mounting gap in a mounting hole a ceiling 13, in which the lamp 1 is installed as a recessed light cover, the edge strips 11 overlap the edge of the mounting hole and rest against the underside of the ceiling 13.
  • the disc 8 is held by one or more laterally disposed releasable holding devices 14 on the base body 3.
  • a ballast and connecting elements for at least one light source 5 of the lamp equipped lamp 1 the light generated by the or the light sources 5 is emitted through the emission opening 9 and at the emitting surface 8a in the space to be illuminated.
  • a resulting main light beam is shown as an arrow and designated 15.
  • the lamp 1 or the shape of its emission opening 9 or its disc 8 can be square, z. B. rectangular, or square.
  • the shape can also be rectangular and be elongated, wherein the side walls 3a and the edge strips 11 are located on the long sides.
  • narrower end faces may also be present opposite side walls 3b, which are connected to the side walls 3a and form the aforementioned trough.
  • the lamp 1 is a single luminaire, wherein the edge strips 11 are also arranged on the other two sides, here the narrower transverse sides, ie circumferentially.
  • Fig. 1 it may also be an arrangement consisting of a plurality of successively arranged lights 1 line of lights, at the ends of each a light 1 is arranged with an end, transversely extending side wall 3b, while arranged between the end-side lights 1 lights trough-shaped base body 3 or pans without transverse side walls 3b have.
  • the respective base support 2 and reflectors 7 may abut each other at the respective butt joint.
  • the installation opening is taking into account the number of successively arranged lights 1 form correspondingly long.
  • a tubular lamp wherein the lamp 1 may have an elongated design.
  • the one or more reflectors 7 consist in a conventional manner of two opposing and - viewed in the longitudinal direction of the lamp 1 - concave rounded reflection walls 16 or a tunnel-shaped reflection wall 16, in the present embodiment, for. B. form a so-called double or multiple light, in which the light source 5 and the reflector 7 are double or multiple available.
  • the respective reflector 7 or a common for several light sources 5 reflector 7 is on the base body 3, preferably releasably attached, as is customary, for. B. by means of Verrastungsvorraumen (not shown), which allow a handling friendly and quick installation or removal through the emission opening 9 therethrough.
  • the disc 8 is made of translucent material, for. As plastic or glass. In this case, the disc 8 may be clear or partially translucent or opal.
  • the disc 8 may be a transversely to the main emission 15 extending, z. B. on their outer radiating surfaces 8a or arranged on its inner Anstrahl
  • structure 8b in particular a microstructure, preferably have a micro-prism structure, whereby the lamp 1 is deblended and the light image on the radiating surface 8a has less contrast and becomes more brilliant.
  • the structure 8b can be a preferably regular surface structure and be formed for example by tooth or pyramidal elevations, which can be arranged in transversely extending rows, preferably profiled.
  • Such a structure 8b ensures glare-proofing because the light is emitted only in a limited angular range. A side viewer is not blinded.
  • the radiating surface 8a can also z. B. rough or dull. It can also be smooth on its emitting surface 8a.
  • the Mikroprismenstroktur 8 b may be disposed on the outside or inside of the disc 8.
  • the flat or plate-shaped disc 8 receives the ability of a light pipe, so that the light not only transversely penetrates the disc 8, but is guided in the disc 8 and transverse to the main emission 15 in the edge strips 11 covering edge regions, so that the Light emits in these areas at the radiating surface 8a.
  • these present in the prior art dark edge regions of the lamp 1 are avoided or at least reduced.
  • the disc 8 may also be made of opal white material, preferably perldiffusor, in particular of PMMA.
  • the disc 8 can also serve to illuminate the surrounding peripheral area, for. B. in a ceiling light surrounding the ceiling area. This is made possible by the fact that the disc 8 also at its periphery or its peripheral surface has a radiating surface 8c, radiates at the light and contributes to brighten the environment of the disc 8 and the lamp 1.
  • the regions covering the edge strips 11 and the light rays emitted in the peripheral region are designated 15a, 15b.
  • a ratio of the thickness a of the disc 8 to the width b of the covered edge or the edge strip 11 is about 1: 3 to 1: 1 behaves, preferably about 1: 2.
  • a width b of about 12 mm this results in a thickness a of the disc 8 of about 4 to 12 mm, in particular about 6 mm.
  • the disc 8 is made of clear plastic material, in particular clear PMMA, wherein it has microprisms at least at its emission surface 8a. These microprisms are optically optimized and by known steep slopes of z. As pyramids or webs formed, the inclined surfaces an obtuse angle W of preferably about 116.5 °. This ensures that the luminaire is blended in accordance with the standard (1000 cd / m 2 at shallow angles greater than 65 ° with respect to the central axis or emission direction 15). Underneath, the luminaire should emit approx. 4000 cd / m 2 . The tips of the pyramids are spaced apart.
  • Such a disk 8 may, for. B. about 3 mm to about 8 mm thick. Due to its thickness, it has a high-quality effect, especially when it comes to crystal-clear design.
  • reflected light rays 15b emerge at the lateral emission surfaces 8c, which are directed transversely to the emission direction 15 or obliquely to the side facing away from the emission direction 15. This is to illuminate the environment particularly favorable, especially in recessed or - recessed luminaires.
  • the luminaire 1 has light equalization means 10.
  • the means 10 the light coming from the at least one light source 5 directly and / or reflected by the at least one reflector 7 can be influenced so that in the operation of the lamp 1, the luminance of the light impinging on the disc and thus also on the emitting surface 8a radiated light is substantially equal.
  • the means 10 may also be provided by the light passage reducing means, such that the degree of reduction with the distance from the light source 5 decreases.
  • brightness differences and light differences or contrasts in the region of the emission surface 8a are avoided or at least reduced during functional operation of the luminaire 1. This is desirable, on the one hand to improve the lighting of the room and on the other to avoid or reduce visually detectable differences in light on the radiating surface and thus to improve the appearance of the lamp.
  • the means 10 may be arranged on an inner disk arranged between the light source 5 and the disk 8.
  • Fig. 1 is disposed between the light source 5 and the disc 8, a film 21 or an inner pane, preferably on the disc 8 on - or applied, and z. B. on the disc 8 or on the base body 3, which have the means 10.
  • the light uniformity can be achieved in each case by the fact that the film 21 or the disc is partially translucent in the region of the smallest distance from the light source 5, which translucence with larger the distance from the light source 5 increases.
  • the foil 21 or the inner pane can be opal or matt, for example.
  • the means 10 can also be formed in that the disc 8 or the film 21 has a grid or a layer or a coating 22 which equalize the luminance of the light reaching the disc 8 or have a Lichtreduzi fürsgrad that with the distance from the light source decreases.
  • the layer 22 or the grid may be e.g. be printed. If the layer or pad 22 is formed as a grid, the light distribution can be achieved by the grid width a decreases with increasing distance from the light source 5 or increase the distances between the grid.
  • the layer or pad 22 or the grid is partially reflecting, wherein the partial reflectance decreases with increasing distance from the light source 5 and preferably can be zero.
  • the reflection surface 7a of the reflector 7 has the means 10, namely a scattering structure 23, for example behind the light source 5.
  • the light rays reflected at the reflection surface 7a are scattered. This leads to a defusing of the light profile in the light image and thus to the desired equalization of the light image.
  • the means 10 can also be realized by such a shaping and / or by a different degree of reflection at different points of the reflection surface (7a), such that the luminance of the light reaching the disc 8 is substantially equal.
  • the reflection surface of the grid can be formed.
  • a straight or preferably curved inner disk 24 forming the means 10 is formed as a diffusing screen which diffuses the light beams.
  • the diffusing screen 24 may be opal and / or have on its side associated with the disk 8 the already described microstructure 8a, in particular the pyramidal structure. If the microstructure 8b is present, the diffusing screen 24 can be clearly translucent.
  • the embodiments according to the invention are in each case suitable on their own as well as in combination in order to improve the light image on the emitting surface 8a during functional operation in the sense of equalization.
  • the disk 8 may be formed as a diffuser disk and be matt or opal in itself. This means that it contains the smallest particles that cause a scattering of the light.
  • the diffuser disc therefore scatters the light rays from the lamp in all directions. An observer standing outside the irradiation area of the luminaire thus receives light scattered with the eyes. This is desirable insofar as the diffuser disc ensures a largely uniform radiation.
  • a disc 8 designed as a diffuser disc with a diffuser 24 having the microstructure 8b reduces the brilliance of the photograph, which may be desirable.
  • Increased brilliance is obtained by combining the preferably pyramid-structured disc 8 with a grid or scattering structure 23 at the reflecting surface 7a or by combining this disc 8 with the lens 24, e.g. omitting the formation of the disc 8 as a diffuser disc, the disc 8 being e.g. clearly translucent.
  • the above-described light distribution means 10 according to the invention may additionally or only be formed on the diffusing screen 24, which may be provided in accordance with e.g. opal and / or coated or occupied and / or screened may be formed.
  • the embodiments according to the invention are well suited for a so-called light field, in which a plurality of lights 1 are arranged in cascade fashion in one or more rows running side by side or in a crosswise manner.
  • it may be lights, which are designed in the sense of a recessed luminaire or a surface-mounted luminaire.
  • the distance between the light source 5 and the disc 8 is particularly small and therefore the differences in the luminance of the radiated light from the disc 8 and the brightness differences are in the Functional operation particularly large, the problem of a different light image is particularly significant.
  • the invention makes it possible to realize a lamp 1 with a height of about 50 mm, the desired light properties are achieved. For such low overall height, it is advantageous to use for the at least one light source 5 fluorescent lamps of 16 mm diameter, preferably extending straight.
  • the embodiments according to the invention are also very advantageous for the embodiment according to Fig. 4 , in which between the edge region 11c and the inside of the disc 8, a free space 31 is arranged, which extends up to a arranged at the edge of the disc 8 system part 32, which is part of the support body 3.
  • the clearance 31 is preferably convergent to the edge. In the exemplary embodiment, it is delimited by the inside of the disk 8 and the outer surface of an edge limb 11a facing and preferably facing it.
  • the boundary surfaces include an acute angle W1 of about 15 ° to 30 °, preferably about 23 °.
  • the edge limb 11a and the preferably also existing edge limb 11b may be integrally connected to an associated side wall 3a forming side wall limb 3a1, for example, be bent from her.
  • the radiated from the light source or lamp 5 or reflected by the opposite reflection wall 16 light directly penetrate directly to the edge of the disc 8 in this, whereby the outer and / or lateral radiation in the area of the auxiliary light beams 15a and 15b is improved or amplified.
  • the contrast of the lamp 1 or disc 8 to the environment and the central region of the disc 8 is reduced.
  • one or more holding devices 14 on opposite sides of the lamp 1 can be arranged on the inside of the edge region 11c, as it Fig. 4 shows.
  • the base body 3 associated holding elements may be preferably releasably secured to the inside thereof.
  • the at least one holding device 14 is formed by a latching device 41, with a latching pin 42 which can be latched by a movement of the side facing the room to be illuminated with at least one latching element 43 arranged on the base body 3.
  • This latching device 41 is formed on the basis of at least one spring element effective Verratungselements so that upon insertion of the latching pin 42, the latching element 43 automatically dodges and snaps.
  • the assembly of the disc 8 can be carried out by a handle-friendly insertion of the at least one latching pin 42, wherein the at least one latching element 43 automatically evades and locked with the Verrastungsrich 42.
  • the latching pin 42 projecting from the disk 8 is preferably made of a material that is transparent enough to pass through and it can pass through the disk 8 in a hole 44. A possibly existing pin head 45 is sunk in a stepped hole 44.
  • an at least small air gap should be arranged in order not to impair the light-guiding function of the disc 8.
  • the air gap is ensured by an attachment or installation of the inner additional disk or film 21.
  • the light designated in its entirety by 51 is likewise set up to emit light in a main emission direction 52 in a first emission zone, which in the position according to FIG Fig. 5 is directed vertically downwards.
  • the light 51 is set up in a lateral region B for light emission upward for illuminating the space or ceiling space located above this lateral region B in the sense of indirect illumination.
  • the lamp 51 has a preferably flat first translucent disk 54, which is arranged approximately centrally and transversely to the main emission direction 52 of a light source 55.
  • the lamp 51 has a preferably likewise second second transparent disc 56, which also extends in the lateral region B transverse to the main emission direction 52, but is laterally offset with respect to this.
  • the disks 54, 56 are walls of a light source housing 57, which according to Fig. 5 the shape of a tunnel or dome, wherein the lateral region B with respect to the main emission direction 52 on one side, in Fig. 5 z. B. on the left side of the lamp 51 and the light source housing 57, and a ceiling wall portion 58 of the tunnel or dome-shaped light source housing 57 forms.
  • the ceiling wall section opposite the axis of the main emission direction 52 is denoted by 59 and formed by a reflector 61 which extends laterally from the central ridge region behind the light source 55 into the present-sided edge region of the light source housing 57.
  • the Dekcenwandabroughe 58.59 extend from the opposite lower side edges 62, 63 convergently upwards, while in the ridge area coincide, whereby the tunnel or dome-shaped form is formed.
  • the reflector 61 is concavely curved with respect to its reflection surface 61a at least in the ridge region or over its entire width. The curvature may be progressive towards the ridge region in order to reflect the light rays radiated from the light source 55 in the main emission direction, the resultant of which is illustrated by the arrow 52.
  • the ceiling wall sections 58, 59 extend essentially from the side edges 62, 63 of an associated bottom wall section of the light source housing 57, which is formed by the first pane 54.
  • the light source housing 57 essentially has the cross-sectional shape of a triangle whose main radiation direction 52 facing away from the corner can be rounded in the ridge region.
  • the second disc 56 extends over the entire lateral region B, wherein it can extend from the associated side edge 62 and extends to the facing edge of the reflector 61.
  • the outer edges of the discs 54, 56 may be tightly connected at the side edge 62 to a side wall portion (not shown) of the light source housing 57.
  • the discs 54, 65 extend into the common corner area, wherein they may be close to each other or connected together so that they are formed by a prefabricated one-piece disc member.
  • the second disc 56 divergently arranged with respect to the first disc 54 includes an acute angle W2 with the first disc 54, which z. B. may be about 15 ° to 60 ° and preferably about 20 °.
  • the disks 54, 56 may originate directly from one another in the region of the side edge 62 or be connected to one another by a rounded or upright disk portion 64.
  • the one-piece disk member may be formed directly, for. B. by injection molding or by bending about a common bending line (not shown) or bent over two superposed bending lines 65a, 65b, z. B. in the heated state, at least in the region of at least one bending line.
  • the reflector 61 preferably extends to the associated edge of the first disc 54.
  • the light source housing 57 described so far can be characterized by in Fig. 7 shown side walls 66 may be closed at the two other opposite sides, which extend in the embodiment of the first disc 54 in the cross-sectional shape of the light source housing 57 to the second disc 56 and to the reflector 61 and may be fixedly connected to the discs 54, 55 , z. B. by a connector or by gluing or welding.
  • the side walls 66 may be made translucent or impermeable material and thus be included in the former case in a lateral light emission.
  • the light source housing 57 mechanical and electrical connection means for the light source 55 are present, which are preferably formed by a gas discharge lamp, preferably in the form of one or two tubes.
  • the one or two arranged in opposite end portions of the light source housing 57 connecting means may be formed by a conventional jack, the jack body 67 are arranged in the ridge area and fixed to the light source housing 57 inside.
  • two electrical connection means are arranged side by side for two tubular gas discharge lamps 68 each on a common jack body 67.
  • the light source housing 57 is preferably elongated in the longitudinal direction of the gas discharge lamps 68, so that the in Fig. 5 shown width B1 is smaller than that in Fig. 6 illustrated length L of the light source housing 57th
  • the light source housing 57 is fixedly or detachably connected to a base support 71, by which it or with which it can be positioned together on a holder in the existing space.
  • the base support 71 is preferably disposed substantially in the space area above the reflector 61, wherein the cross-sectional shape of the base support 71 extends from the side edge 63 to the apex area, preferably to the second disc 56, and the associated portion of the light source housing 57, here approximately the right half of the light source housing 57, supplemented to a rectangular structure.
  • the base support 71 is preferably a hollow box with a sidewall 73 extending upward from the side edge 63, from the upper edge of which preferably a ceiling wall 74 extends integrally into the vertex region, preferably to the second disk 56.
  • a ceiling wall 74 extends integrally into the vertex region, preferably to the second disk 56.
  • Edge be arranged upwardly extending leg 75, preferably be bent upwards.
  • the ceiling wall 74 may be angled downwards in the respective edge region b, so that the leg 75 approximately terminates with the upper side of the second disk 56.
  • the second disc 56 facing edge region of the reflector 61 is connected to the z.
  • downwardly angled ceiling wall 74 connected, preferably releasably, for. B.
  • the light source housing 57 receives stability.
  • the reflector 61 in the ridge region with its inner side on a step surface 77 of the mirror image arranged Socket body 67 to be supported.
  • the opposite side edge of the reflector 61 is detachably fixed to the side wall 73 of the base support 71.
  • At this side edge of the reflector 61 may have an upwardly angled leg 78, which can serve for attachment or attachment to the side wall 73.
  • This side edge of the reflector 61 is preferably positioned by a jack 79 on the base support 71 and on its side wall 73.
  • an electrical ballast 82 which is connected to a supply cable or connectable, which may extend through a passage in the side wall 73 or ceiling wall 74 and at least one further connection cable (not shown) with the at least one connecting element 67 a of the socket is connected ,
  • the base support 71 may have two further, extending from the side wall 73 and the top wall 74 to the ridge region side walls 83, which contribute to the stabilization and laterally engage in its connected to the light source housing 57 position, the latter.
  • a releasable connection is provided, preferably in the form of a jack 84, in which the light source housing 57 by a substantially horizontal movement can be inserted and secured by a securing means against a release movement, preferably by clamping.
  • the jack 84 can cooperate with the discs 54, 56.
  • Preferably 71 U-shaped clamping elements 85 are attached to the first disc 54 facing the lower edge and on the second disc facing upper edge of the base support 85, whose legs are clamping legs which engage over the discs 54, 56 with clamping voltage.
  • the clamping legs preferably have at their free edges convergent rounded or oblique insertion surfaces, which facilitate the insertion of the discs 54, 56, wherein the clamping legs are elastically spread and press against the broad sides of the discs 54, 56 by clamping.
  • the clamping elements 85 may be attached in the form of U-rails or in the form of several distributed arranged clamping pieces on the edges of the base support 71.
  • the jack 79 may be formed by the zwickelförmigen space between the side wall 73 and the facing leg of the clamping member 85. In this free space, the lower edge of the reflector 61 is positively positioned taking into account the rigidity of the reflector 61.
  • a fork-like support 86 is provided with a support base 87 and from this horizontally projecting support arms 88 whose length corresponds to the width B1 of the lamp 51, so that the between the support arms 88 arranged free space of the corresponding size of the lamp 51 corresponds approximately.
  • the support arms 88 may be adapted in the upper end to the shape of the light source housing 57 in its free end regions, for. B. be rounded or beveled accordingly.
  • Corresponding inclined surfaces are designated 89.
  • support members 91 are arranged at least on the mutually facing sides of the support arms 88 or on the facing side of the support base 87.
  • the support members 91 are arranged at the bottom of these parts, and they may be formed by projecting support legs, the z. B. at the associated edge of the supporting parts are formed continuously.
  • a jack 92 is formed, in which the lamp 51 from a range horizonal to vertical can be inserted.
  • the lamp 51 and the holder 86 are suitable in the embodiment for attachment to a carrier, not shown, for. B. a room wall or for attachment to a ceiling in a suspended position.
  • a carrier not shown
  • one or more stems or pendulum serve, which are connected at one end a fastening element for attachment to the ceiling and at the other end with the holder 86 or connectable, for which connection elements 93 on the holder 86, here at the top of the support base 87 may be arranged.
  • fasteners 94 may be disposed on the back of the support base 87, e.g. B. for mounting screws for screwing into the carrier, which can be accessible through lateral recesses (not shown) in the support base 87.
  • the support base 87 and preferably also the support arms 88 may be box-shaped hollow body and z. B. consist of sheet metal.
  • the support base 87 may be a so-called ceiling sail projecting from an unillustrated air conditioner, with liquid-flow heating fins (not shown) extending in the support base 87.
  • the first disk 54 may correspond in terms of its design and function of the disc 8 of the above-described embodiments. You can z. For example, at their bottom or top to their glare have a microstructure 8b. In addition, above-described light equalizing means 10 may be as provided.
  • the discs 54, 56, 66 are made of clear transparent material, e.g. Glass or plastic, in particular PMMA.
  • On the first disk 54 is a z. B. underside or top microstructured, in particular mikroprismen Modelliertc disc 8 is arranged, whose length corresponds to the length L of the first disc 54 and whose width is dimensioned so large that it rests on the first disc 54 from the side edge 63 to the opposite edge 62 or extends into the region of the groove of the one-piece disk body.
  • a light equalization means 10 is arranged, the z. B. may be formed as a film 21 and can rest on the disc 8.
  • a second inner pane 95 can be arranged, which scatters the light emerging for indirect illumination, the resulting emission direction with the obliquely upwardly extending arrow 96 in a second emission zone is clear. It can be an opal disk or one from which the light emerges diffusely. In the embodiment, a Diffasorperl disk 95 is provided.
  • the thickness of the discs 54, 56, 66, 95 may, for. B. be about 3 mm.
  • the thickness of the disc 8 may correspond to the above-described embodiments.
  • the clamping elements 85 are formed so large that their legs overlap the existing discs in the above sense.
  • a mounting gap 99 is provided between the base support 71 and the lamp 51 and the posture 86, in which the supply cable can extend.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Filters (AREA)
EP10179180.4A 2000-11-29 2001-11-26 Luminaire avec une glace de fermeture transparente Expired - Lifetime EP2258978B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10059259 2000-11-29
DE10141197 2001-08-22
DE10153380A DE10153380A1 (de) 2000-11-29 2001-10-30 Leuchte mit einer lichtdurchlässigen Scheibe
EP01994727A EP1337786A2 (fr) 2000-11-29 2001-11-26 Lampe pourvue d'une vitre transparente

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP01994727A Division EP1337786A2 (fr) 2000-11-29 2001-11-26 Lampe pourvue d'une vitre transparente
EP01994727.4 Division 2001-11-26

Publications (3)

Publication Number Publication Date
EP2258978A2 true EP2258978A2 (fr) 2010-12-08
EP2258978A3 EP2258978A3 (fr) 2015-09-23
EP2258978B1 EP2258978B1 (fr) 2017-03-01

Family

ID=26007829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10179180.4A Expired - Lifetime EP2258978B1 (fr) 2000-11-29 2001-11-26 Luminaire avec une glace de fermeture transparente

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EP (1) EP2258978B1 (fr)
DE (1) DE10153380A1 (fr)

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DE10344066B4 (de) * 2002-11-20 2010-01-07 Siteco Beleuchtungstechnik Gmbh Leuchte mit einem Reflektor und einer von dem Reflektor beabstandeten Lichtaustrittsscheibe
DE10301257B4 (de) * 2002-12-20 2012-12-13 Siteco Beleuchtungstechnik Gmbh Leuchte mit einer Abdeckscheibe mit verringerter Reflexion
DE10346506B4 (de) * 2003-10-02 2007-11-22 Semperlux Ag - Lichttechnische Werke - Geregelte Leuchte
DE102007048153A1 (de) * 2007-10-08 2009-04-09 Sbb Holding Gmbh & Co. Kg Optische Anordnung von optischen Schichten
DE202008015402U1 (de) 2008-11-19 2009-02-12 Cerion Gmbh Optische Lichtstreueinheit
DE102010063548A1 (de) * 2010-12-20 2012-06-21 Zumtobel Lighting Gmbh Leuchtelement sowie Anordnung meherer Leuchtelemente zur Bilddarstellung
CN110553227B (zh) * 2019-09-29 2024-04-30 苏州欧普照明有限公司 灯具及其光源模组

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DE102014118235A1 (de) 2013-12-18 2015-08-13 DDH GmbH Motivdekorierte Rasterdecke

Also Published As

Publication number Publication date
EP2258978A3 (fr) 2015-09-23
DE10153380A1 (de) 2002-06-13
EP2258978B1 (fr) 2017-03-01

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