EP2176583B1 - Éclairage à grille pour l'émission de lumière - Google Patents

Éclairage à grille pour l'émission de lumière Download PDF

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Publication number
EP2176583B1
EP2176583B1 EP08773817.5A EP08773817A EP2176583B1 EP 2176583 B1 EP2176583 B1 EP 2176583B1 EP 08773817 A EP08773817 A EP 08773817A EP 2176583 B1 EP2176583 B1 EP 2176583B1
Authority
EP
European Patent Office
Prior art keywords
luminaire
lamp
luminaire according
louvre
light
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.)
Not-in-force
Application number
EP08773817.5A
Other languages
German (de)
English (en)
Other versions
EP2176583A1 (fr
Inventor
Julian Lonsdale
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 EP2176583A1 publication Critical patent/EP2176583A1/fr
Application granted granted Critical
Publication of EP2176583B1 publication Critical patent/EP2176583B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the present invention relates to a luminaire according to the preamble of claim 1, which has a so-called cell grid for emitting the light emitted by a light source of the luminaire.
  • the starting point for the present invention is a grid lamp, as for example.
  • a light source is arranged in an elongated luminaire housing, for example in the form of a fluorescent tube, a so-called luminous grid being arranged in the emission direction in front of the light source.
  • This has located in front of the light source, in the longitudinal direction successively arranged passage openings through which the light of the light source is radiated. At these passages close in this known lamp also pot reflectors.
  • the pot reflectors serve on the one hand to emit the light emitted by the light source within a certain angular range, which is dimensioned such that no glare effects occur for a viewer located below the lamp, on the other hand, the pot reflectors give the impression as if the lamp a variety have single radiator. This optical effect is extremely appealing and is achieved here with relatively simple means.
  • the present invention is therefore the object of the WO 2004/094897 A1 known luminaire to develop such that their appearance is further improved and also optimized lighting properties are achieved.
  • the solution according to the invention is based on the idea of designing a grid lamp in such a way that light is emitted via the side areas of the lamp, although this light is such that the relevant standards with respect to glare both with respect to the laterally emitted light and with respect to the luminaire grid be emitted radiated light.
  • the luminaire grid is provided with a reflective coating which is permeable to a part of the light emitted by the lamp.
  • profile elements are arranged on both sides of the lighting grid, which form housing walls of the lamp and according to the invention consist of a transparent material.
  • a luminaire is provided with means for holding and electrically connecting at least one tubular lamp, a luminaire grid arranged in front of the lamp, which has a plurality of passage openings provided for light emission, and profile elements arranged on both sides of the luminaire grid and forming housing walls , wherein according to the invention the luminaire grid is provided with a reflective coating, which is permeable to a part of the light emitted by the lamp, and further wherein the profile elements consist of a transparent material.
  • the coating of the luminaire grid is designed such that it has a permeability to the light emitted by the lamp in a range of about 2-10%, more preferably in a range of about 2-6%.
  • the luminaire grid is accordingly formed by a plurality of raster elements arranged one behind the other in the longitudinal direction.
  • a raster element in each case has a rear reflector which extends in the longitudinal direction and is intended to reflect part of the light emitted by the lamp counter to the emission direction, wherein the passage openings are arranged in the back reflector.
  • each opening close in the direction of radiation pot reflectors, each forming individual cells of the cell grid and which are preferably integrally connected to the rear reflector.
  • the pot reflectors may also be connected to each other at their edge regions via a connecting plate aligned parallel to the light source. You can, for example, have a circular, a square or a rectangular light exit opening.
  • the preferably in cross-section approximately semicircular configured back reflector is designed such that it laterally surrounds the lamp at least partially.
  • holding elements can be provided which, on the one hand, hold the luminaire grid and, on the other hand, the profile elements.
  • These holding elements can in turn be formed by arranged on both sides of the lamp profile body, which are then connected to the luminaire grid and the profile elements via plug and / or snap-in connections.
  • the holding elements can be connected to suspension means for hanging the lamp, so that therefore a stable lighting construction is provided in a relatively simple manner.
  • the profile elements are preferably formed of plastic and can be profiled differently, so that the outer shape of the lamp can be easily adapted to specific needs.
  • the in the Fig. 1 to 6 illustrated and generally provided with the reference numeral 1 inventive lamp is formed in the illustrated embodiment as a pendant light and is accordingly secured by means of a cable suspension 41 to a ceiling, not shown.
  • the elongate housing 2 serves to receive a light source 3 and corresponding lamp operating devices for driving the light source 3.
  • the lamp operating device which may be formed, for example, as so-called.
  • Electronic ballast arranged in an end portion 4 of the elongated housing 2. In this area, no light emission takes place, which of course also a different positioning of the or the lamp operating devices would be conceivable.
  • the area connects with the light source 3, which is formed in the illustrated embodiment by a fluorescent tube.
  • the parallel arrangement of several fluorescent tubes would be conceivable to increase the light output.
  • the light emitted by the light source 3 is - as explained in more detail later - discharged substantially over the entire circumference of the lamp 1 away. However, the main emission direction is towards the bottom, since the luminaire 1 is intended for illumination of workplaces or corresponding rooms.
  • FIGS. 7 and 8 show in each case the individual parts of the lamp 1 according to the invention, while on the other hand Fig. 9 a sectional view of the lamp 1 in the assembled state shows.
  • the central element of the luminaire 1 for the light emission is initially the already mentioned luminaire grid 5, which, strictly speaking, is designed as a so-called cell grid. This is formed according to a particularly preferred embodiment by a plurality of so-called.
  • Raster elements 10 which are arranged one behind the other in the longitudinal direction of the luminaire and accordingly form the luminaire grid 5 in their entirety.
  • Such raster elements 10 are, for example, from the above-mentioned WO 2004/094897 A1 known.
  • a raster element 10 in this case initially has an approximately semicircular, viewed in cross-section, back reflector 11, which-like Fig. 9 can be removed-the lamp 3 surrounds laterally and at the bottom. Seen in light emission direction, the so-called. Passage openings 12 are provided in this rear reflector 11 at regular intervals, through which the light is emitted. At these passages 12 close cupped designed reflectors 13, which form the individual cells of the grid and should give the impression of a single spotlight.
  • the openings of these pot reflectors 13 each terminate flush with a common connecting plate 14, which forms the underside of the grid element 10. By this plate 14 13 protruding projections or strips 15 are also formed on both sides of the pot reflectors.
  • these grid elements 10 is in addition to the aforementioned WO 2004/094897 A1 directed. They are preferably formed by injection molded parts and are accordingly each formed in one piece.
  • the holder of the grid elements 10 takes place with the aid of two profile parts 20, which are preferably formed of elongated aluminum parts and represent the central holding elements of the lamp 1.
  • the design of these profile parts 20 can in particular the representation in Fig. 8 be removed. This is first recognizable that they have a longitudinally extending first recess 21, which corresponds in shape to the contour of the outer sides of the remindretlektors 11.
  • the rear reflector 11 can thus engage in these recesses 21, whereby the successively arranged grid elements 10 can be assembled to form an elongated luminaire grid in a simple manner.
  • the holding elements 20 laterally projecting arms 22, which-as explained later - are used for holding the lateral profile elements.
  • a longitudinally oriented first screw 23 and at the top of a further elongated screw 24 is formed on the underside.
  • the lower screw 23 serves to fasten end-side end plates 35 for the lamp housing. This is done with two screws 36, which engage respectively in corresponding openings of the end plates 36 and are then screwed into the screw 23.
  • the upper screw channel 24 in turn serves, with the aid of appropriate screws 37 (see Fig. 9 ) Screw a bracket 30.
  • This serves on the one hand the holder of the lamp holder 31 and on the other hand, the attachment of a suspension element 40, to which ultimately the cable 41 is attached to suspend the lamp 1. In this sense, therefore, all components of the lamp 1 can be attached to the profile parts 20.
  • the side walls of the housing of the lamp 1 are formed by the profile elements 25, which on the one hand have a voltage applied to the profile part 20 arm 26 and an upper recess 27 whose shape corresponds to the protruding side arm 22 of a profile part 20.
  • the profile elements can thus be pushed in a simple manner on serving as holding elements 20 profile parts.
  • a recess 28 is provided, into which the lateral strips 15 of the grid elements 10 can engage.
  • a compact elongated luminaire housing is accordingly formed, which is extremely stable due to the different plug-in or latching connections between the individual components.
  • the peculiarity of the previously explained components of the luminaire 1 according to the invention now further consists in the fact that these components are designed such that a lateral light emission can also take place.
  • the raster elements 10 are provided with a coating which, on the one hand, has a reflective effect in order to allow the directed light output via the poppet reflectors 13, but, on the other hand, is also translucent, at least to a certain extent.
  • the side walls of the pot reflectors 13 are here permeable to a certain part of the light emitted by the light source 3.
  • the lateral profile elements 25 are made of a transparent material, preferably of a transparent plastic, light can be emitted via the side walls of the lamp housing.
  • the amount of light emitted depends on the design of the coating of the raster elements 10. Since it is to be avoided that glare effects occur due to the light emitted from the side, the coating is preferably formed such that a permeability in the range of about 2-10%, preferably in the range between 2-6% is present. That is, the amount of light emitted laterally is relatively low, so that there is no fear of glare.
  • the end plates 35 may be formed transparent.
  • the special design or transparency of the grid elements 10 on the one hand and the profile elements 25 on the other hand also has the consequence that due to the brightening of the surrounding lamp housing by the lateral profile elements 25 through the contours of the elements arranged inside the lights are recognizable.
  • the luminaire 1 according to the invention accordingly has excellent properties, not only in terms of lighting technology, but is also extremely appealing in terms of its appearance.
  • the shape of the lateral profile elements can of course be configured in different ways.
  • the various shapes have a relatively minor effect on the light emission characteristics of the lamp 1, but at the same time you give the lamp 1 each have a very individual appearance. Accordingly, the luminaire 1 can be easily adapted to a wide variety of needs in this regard.
  • Fig. 11 Another conceivable variant of a lamp according to the invention.
  • the profile elements 25 are formed as vertical side walls, which are connected only via corresponding recesses with the protruding side arms 22 of the profile parts 20.
  • the side walls or profile elements 25 are arranged slightly spaced from the raster elements 10 in this case, which results in that the luminaire 1 as a whole no longer appears as a compactly sealed housing.
  • the Light output mainly directed over the pot reflectors 13, so that the lamp 1 according to the invention can be used reliably in the usual way for the illumination of offices or workplaces.
  • the overall appearance of the lamp and the illumination of the room is, however, further optimized in comparison to the prior art, since now also to the top and over the side walls of the lamp, so over the entire circumference light is emitted.

Landscapes

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

Claims (15)

  1. Système d'éclairage (1), comprenant
    - des moyens servant à maintenir et à raccorder électriquement au moins une lampe (3) de forme tubulaire,
    - une grille de système d'éclairage (5) disposée - vu dans le sens d'émission - devant la lampe (3), laquelle grille de système d'éclairage présente plusieurs orifices de passage (12) prévus pour l'émission de la lumière, ainsi que
    - des éléments profilés (25) disposés de part et d'autre de la grille de système d'éclairage (5) et formant des parois de boîtier,
    caractérisé en ce que la grille de système d'éclairage (5) est pourvue d'un revêtement réfléchissant, qui est perméable à une partie de la lumière émise par la lampe (3), et en ce que les éléments profilés (25) sont constitués d'un matériau transparent.
  2. Système d'éclairage selon la revendication 1, caractérisé en ce que le revêtement de la grille de système d'éclairage (5) présente une perméabilité allant d'environ 2 à 10 %, en particulier allant d'environ 2 à 6 %, à la lumière émise par la lampe (3).
  3. Système d'éclairage selon l'une quelconque des revendications précédentes, caractérisé en ce que la grille de système d'éclairage (5) est formée par plusieurs éléments de grille (10) disposés les uns derrière les autres dans la direction longitudinale.
  4. Système d'éclairage selon la revendication 3, caractérisé en ce qu'un élément de grille (10) présente respectivement un réflecteur arrière (11) s'étendant dans la direction longitudinale, qui est destiné à réfléchir une partie de la lumière émise par la lampe (3) dans le sens opposé à la direction d'émission, sachant que les orifices de passage (12) sont disposés dans le réflecteur arrière (11), lesquels sont destinés à laisser entrer une partie de la lumière émise par la lampe (3) dans la direction d'émission.
  5. Système d'éclairage selon la revendication 4, caractérisé en ce que des réflecteurs incurvés (13), qui sont reliés de préférence d'un seul tenant au réflecteur arrière (11), se raccordent aux orifices de passage (12), dans le réflecteur arrière (11) dans la direction d'émission.
  6. Système d'éclairage selon la revendication 5, caractérisé en ce que les réflecteurs incurvés (13) sont reliés les uns aux autres au niveau de leurs zones de bord par l'intermédiaire d'une plaque d'assemblage (14) disposée de manière parallèle par rapport à la lampe (3), sachant que la plaque d'assemblage (14) est reliée de préférence d'un seul tenant aux réflecteurs incurvés (13).
  7. Système d'éclairage selon l'une quelconque des revendications 5 ou 6, caractérisé en ce que l'élément de grille (10) formé à partir du réflecteur arrière (11) et des réflecteurs incurvés (13) est formé par une pièce moulée par injection.
  8. Système d'éclairage selon l'une quelconque des revendications 5 à 7, caractérisé en ce que les réflecteurs incurvés (13) présentent un orifice de sortie de lumière de forme circulaire, carrée ou rectangulaire.
  9. Système d'éclairage selon l'une quelconque des revendications 4 à 8, caractérisé en ce que le réflecteur arrière (11) entoure au moins en partie la lampe (3).
  10. Système d'éclairage selon la revendication 9, caractérisé en ce que la section transversale du réflecteur arrière (11) présente une forme approximativement semi-circulaire.
  11. Système d'éclairage selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit système d'éclairage présente des éléments de maintien servant à maintenir la grille de système d'éclairage (5) ainsi que les éléments profilés (25).
  12. Système d'éclairage selon la revendication 11, caractérisé en ce que les éléments de maintien sont formés par des corps profilés (20) disposés de part et d'autre de la lampe (3).
  13. Système d'éclairage selon la revendication 12, caractérisé en ce que les éléments de maintien sont reliés à la grille de système d'éclairage (5) et aux éléments profilés (25) par l'intermédiaire de dispositifs d'assemblage par emboîtement et/ou par enclenchement.
  14. Système d'éclairage selon l'une quelconque des revendications 11 à 13, caractérisé en ce que les éléments de maintien sont reliés aux moyens de suspension (40, 41) servant à suspendre le système d'éclairage (1).
  15. Système d'éclairage selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments profilés (25) sont constitués de matière plastique.
EP08773817.5A 2007-08-10 2008-07-02 Éclairage à grille pour l'émission de lumière Not-in-force EP2176583B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007011212U DE202007011212U1 (de) 2007-08-10 2007-08-10 Leuchte mit Raster zur Lichtabgabe
PCT/EP2008/005405 WO2009021581A1 (fr) 2007-08-10 2008-07-02 Éclairage à grille pour l'émission de lumière

Publications (2)

Publication Number Publication Date
EP2176583A1 EP2176583A1 (fr) 2010-04-21
EP2176583B1 true EP2176583B1 (fr) 2014-02-26

Family

ID=39708922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08773817.5A Not-in-force EP2176583B1 (fr) 2007-08-10 2008-07-02 Éclairage à grille pour l'émission de lumière

Country Status (3)

Country Link
EP (1) EP2176583B1 (fr)
DE (1) DE202007011212U1 (fr)
WO (1) WO2009021581A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009010018U1 (de) 2009-07-22 2010-09-09 Radolux Gesellschaft für Lichttechnik GmbH Leuchte zur Abstrahlung von Direkt- und Indirektlichtanteilen, insbesondere Flachprofilleuchte
DE202019105265U1 (de) * 2019-09-24 2021-01-04 Zumtobel Lighting Gmbh Leuchte mit Bereich zur flächigen Lichtabgabe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1616124B2 (fr) 2003-04-22 2018-08-29 Zumtobel Lighting GmbH Dispositif d'eclairage a ecran paralume
DE10356064A1 (de) * 2003-12-01 2005-06-23 Zumtobel Staff Gmbh Profilrahmen-Leuchte

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DE202007011212U1 (de) 2008-12-24
WO2009021581A1 (fr) 2009-02-19
EP2176583A1 (fr) 2010-04-21

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