EP3207308A1 - Lèche-mur - Google Patents

Lèche-mur

Info

Publication number
EP3207308A1
EP3207308A1 EP15781100.1A EP15781100A EP3207308A1 EP 3207308 A1 EP3207308 A1 EP 3207308A1 EP 15781100 A EP15781100 A EP 15781100A EP 3207308 A1 EP3207308 A1 EP 3207308A1
Authority
EP
European Patent Office
Prior art keywords
reflector
light
diffuser
luminaire
lamp
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
EP15781100.1A
Other languages
German (de)
English (en)
Other versions
EP3207308B1 (fr
Inventor
Peter Hesse
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 Germany
Original Assignee
Zumtobel Lighting GmbH Germany
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 Germany filed Critical Zumtobel Lighting GmbH Germany
Publication of EP3207308A1 publication Critical patent/EP3207308A1/fr
Application granted granted Critical
Publication of EP3207308B1 publication Critical patent/EP3207308B1/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
    • F21V7/04—Optical design
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear 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 luminaire intended for use as a so-called wall washer.
  • a wallwasher is understood to be a luminaire which is specially designed to illuminate a vertical surface of a room, that is to say in particular its wall.
  • luminaires are used which are arranged on a horizontally oriented base surface, that is, for example, the ceiling of a room, directly on or suspended from it, and with respect to it
  • Light output are designed such that they illuminate, for example, a wall located obliquely below the mounting position of the lamp. Compared to a luminaire, which is primarily intended, one vertically below it
  • the light distribution curve of a Wallwashers is designed rather asymmetrical.
  • special optics are used, with the aid of which the light emitted by the light source can be directed onto the wall area to be illuminated. Reflectors have proven to be particularly useful in the past, since with their help the desired asymmetrical lateral light emission can be achieved relatively easily. From the state of the art, various variants for the realization of such a wall washer are known in this regard.
  • the present invention is therefore based on the object to provide a novel way to realize a Wallwashers, in spite of relatively small construction of the lamp a homogeneous, uniform
  • Light field can be achieved on a wall area to be illuminated.
  • the solution according to the invention provides for a combination of different measures which, on the one hand, lead to a small construction of the lamp or the wall washer, on the other hand, make it possible to achieve a uniform and homogeneous light distribution.
  • LEDs are used as the light source, which are arranged one behind the other in a longitudinal direction of the lamp. The light emitted by these LEDs light is not emitted directly through the lamp but with the help of a concave reflector reflected back so that a light output is made laterally downwards.
  • the lighting means or LEDs are in this case arranged in the upper region of the reflector such that they emit light substantially opposite to the light emission direction of the luminaire onto the reflector.
  • a diffuser is arranged below the luminous means, which extends up to the reflector. It has been shown that by using this additional diffuser irregularities in the light distribution can be almost eliminated and ultimately a very homogeneous so-called light field at the wall area to be illuminated is achieved.
  • the invention therefore proposes a luminaire which has luminous means which have LEDs arranged one after the other in a longitudinal direction of the luminaire. Further, a reflector is provided, which is concave in a plane perpendicular to a longitudinal axis of the luminaire, wherein the bulbs are arranged in the upper region of the reflector such that they emit light substantially opposite to a light emission direction of the luminaire on the reflector. Finally, according to the invention, a diffuser is arranged underneath the luminous means and extends up to the reflector.
  • the reflector is preferably concavely curved, wherein it can be provided in particular that it has a greater curvature in the upper region, that is to say the region to which the illuminants are assigned, than in the lower region. This ensures that even such light, which from the LEDs under
  • At least in front of the lower region of the reflector can preferably be arranged a glass or PMMA existing cover.
  • the arrangement of this cover can be in particular such that it extends approximately from the reflector facing away from the end of the diffuser to the lower edge of the reflector.
  • the cover may extend substantially in the plane in which the bulbs are arranged.
  • a profiled base body which may be formed for example by an aluminum extruded profile. This can both for the immediate cultivation of a ceiling as well as for attachment to a
  • Carrier element for example, a so-called support rail of a lighting system or the like may be formed.
  • Figure 1 shows an embodiment of a Wallwashers invention in perspective view
  • Figure 2 is a perspective sectional view of the invention
  • Wallwashers from which the arrangement of the various components for the light output can be taken;
  • FIG. 3 is a further sectional view of the Wallwashers and
  • FIG. 4 shows the arrangement of the invention Wallwashers on the
  • FIG. 1 initially shows an overall view of the luminaire according to the invention, generally designated by the reference numeral 100, which, as already mentioned, is to be used as a so-called wall washer.
  • the reference numeral 100 As usual in such lights their assembly takes place on a horizontal mounting surface, so for example on the ceiling of a room or in a comparable manner. In the intended for the operation, this would therefore mean that the provided in Figure 1 by reference numeral 110 rear wall of the housing 101 is oriented substantially vertically.
  • the light of the luminaire 100 is then not emitted horizontally or vertically downwards but rather obliquely laterally downwards, so that in the case where the luminaire is arranged in the vicinity of a wall, the wall area located obliquely below it is illuminated.
  • the aim is for the so-called light field generated on the wall to be illuminated to have the most uniform possible homogeneous brightness.
  • special measures are responsible for the light output, which
  • the light emitted by the luminous means is not directed directly onto the wall to be illuminated, but instead is indirectly emitted during a so-called retro-reflection.
  • LEDs 5 are used as the light source, which are arranged one after the other in the longitudinal direction I of the luminaire 100 and are aligned such that they initially emit their light in the opposite direction to the main emission direction A of the luminaire 100.
  • the arrangement of the LEDs 5 takes place with the help of one or more boards 6, which are preferably slightly inclined relative to the vertical defined by the rear wall 101 at an angle ⁇ of about 10 ° to 20 °, in particular about 15 °.
  • the actual deflection of the light emitted by the LEDs 5 in the direction of the light emission direction A of the luminaire 100 takes place with the aid of a reflector 10 which extends from an underside of the luminaire housing 101 to an area just above the LEDs 5.
  • This reflector 10, which is invariably embodied in the longitudinal direction I of the luminaire 100, has a concave shape in a plane perpendicular to the longitudinal direction I, it being possible for it to be either correspondingly angled, but preferably continuously concavely curved as illustrated.
  • the preferably made of a combinref ektierenden material reflector 10 thus serves as a so-called sudref ektor the light obliquely laterally to the bottom out.
  • an additional optical element in the form of a diffuser 20 is used, which according to the illustrations is arranged just below the LEDs 5.
  • This diffuser 20 is preferably aligned approximately at a right angle to the mounting surface for the LED boards 6 and extends from the LED boards 6 to the ref ector wall out.
  • the reflector 10 does not have a constant curvature over the height of the luminaire 100 but is preferably shaped such that the curvature in the upper region 11, that is to say the region in the vicinity of which LEDs 5 are located on strongest is.
  • this allows the dimensions of the mixing chamber 25 are kept relatively compact, on the other hand, it is ensured that even light, which is emitted from the LEDs 5 at shallow angles, for example, vertically upwards, is still reflected back from the reflector to the diffuser 20 and as for the light output of the lamp 100 usable light can be used.
  • located region is then chosen such that in this way the desired shape or dimension of the light field can be achieved on the wall to be illuminated.
  • an additional cover plate 30 is arranged in front of the lower region of the reflector and extends from the lower end of the reflector 10 as far as the diffuser 20.
  • This cover 30 defines the actual light exit region of the lamp 100, however, has relatively little influence on the itself
  • Light emission as it is preferably made crystal clear and this consists of either glass or PMMA.
  • the actual Lichtabrahleigenschaften the lamp 100 are primarily determined by the arrangement and design of the reflector 10 and the diffuser 20.
  • the diffuser 20 itself is preferably formed by a diffuser film which ideally has at least some inherent stability so that it retains its shape and arrangement as shown.
  • a film which is sold under the name Brightview Film Circular 15 degrees has been found because when using this film particularly advantageous Lichtabrahleigenschaften can be achieved. This also applies to the case that the luminaire has very compact dimensions of, for example, 40x50mm.
  • Lamp 100 takes place, as already mentioned, preferably with the aid of an extruded aluminum profile, the configuration of which in turn controls the
  • Sectional view of Figures 2 and 3 can be removed.
  • This profile part is executed approximately angled and has on the one hand a vertically oriented leg 102, which forms the rear wall 110 of the lamp 100, and a horizontal leg 103, in particular the inclusion of electronic components for operating the LEDs 5 and the assembly of the lamp 100 at a suitable carrier.
  • an approximately trapezoidal Aufhahmeb range 104 is created in the upper part of the profile part, in the one hand from the bottom of the reflector 10 projects with its upper end portion 11 and the recording of the LED boards 6 is used.
  • operating means for operating the LEDs 5 are arranged. This may in particular be a converter or the like, wherein the side walls of this receiving area 104 additionally also openings or
  • the aluminum profile body in this case has a plurality of longitudinally extending grooves or channels, which allow easy insertion of the optical components described above. It can be seen, for example, that the cover plate 30 is received with its upper and lower end respectively in longitudinally extending grooves, so that they can be easily inserted from an end face into the profile body.
  • a receptacle and mounting of the reflector 10 which is supported on the one hand at its upper and lower end, but in addition also on its rear side by the profile body.
  • the reflector automatically assumes the curvature shown when inserted.
  • the storage of the diffuser 20 takes place in a corresponding recess extending in the longitudinal direction of the
  • Profile body so that - apart from the LED boards 6 - all essential components of the lamp 100 are held without additional support means on the profile body.
  • two correspondingly shaped end caps 120 serve two more longitudinally extending channels that allow the placement and reliable holding the end caps 120.
  • FIG. 4 A conceivable arrangement of the wall washer 100 according to the invention on a support is shown in FIG. 4, the support rail of a light band system being used here as the support element 200.
  • the support rail is approximately U-shaped and open towards the bottom, so that the lamp 100 can be attached in a simple manner from the bottom to the mounting rail 200 and fastened there, in which case the upper components, in particular the above mentioned receiving area 104 of the profile body with the thereto

Landscapes

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

Abstract

Dans le cas d'une lampe (100) pourvue de moyens d'éclairage, qui comportent des LED (15) disposées les unes derrière les autres dans une direction longitudinale (I) de la lampe (100), et d'un réflecteur (10) qui a une forme concave dans un plan perpendiculaire à la direction longitudinale (I) de la lumière (100), les moyens d'éclairage sont disposés dans la zone supérieure (11) du réflecteur (10) de façon à émettre de la lumière sur le réflecteur (10) dans une direction sensiblement opposée à une direction d'émission de lumière (A) de la lampe (100) ; un diffuseur (20), qui s'étend jusqu'au réflecteur (10), est disposé au-dessous des moyens d'éclairage.
EP15781100.1A 2014-10-15 2015-10-15 Wallwasher Active EP3207308B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014104900.2U DE202014104900U1 (de) 2014-10-15 2014-10-15 Leuchte zur Verwendung als Wallwasher
PCT/EP2015/073864 WO2016059148A1 (fr) 2014-10-15 2015-10-15 Lèche-mur

Publications (2)

Publication Number Publication Date
EP3207308A1 true EP3207308A1 (fr) 2017-08-23
EP3207308B1 EP3207308B1 (fr) 2019-06-26

Family

ID=54325551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15781100.1A Active EP3207308B1 (fr) 2014-10-15 2015-10-15 Wallwasher

Country Status (4)

Country Link
US (1) US10222028B2 (fr)
EP (1) EP3207308B1 (fr)
DE (1) DE202014104900U1 (fr)
WO (1) WO2016059148A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP1553416S (fr) * 2015-06-18 2016-07-11
CN107781787B (zh) 2016-08-29 2020-12-08 查克森科技有限公司 照明装置和照明系统
DE202018104615U1 (de) * 2018-08-10 2019-11-14 Zumtobel Lighting Gmbh Leuchte mit veränderbarer Lichtabgabe
USD932084S1 (en) * 2018-11-21 2021-09-28 Ansorg Gmbh Ceiling lamp
DE102019106678A1 (de) * 2019-03-15 2020-09-17 Siteco Gmbh Modulare Wall- und Shelfwasher
US11175012B1 (en) * 2020-07-08 2021-11-16 Abl Ip Holding Llc Indirect light wall pack

Family Cites Families (21)

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US5115384A (en) * 1990-11-15 1992-05-19 Arriflex Corporation Soft light
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US5709460A (en) * 1996-12-17 1998-01-20 Covelight Corporation Indirect fluorescent lighting fixture
DE29906806U1 (de) * 1999-04-19 2000-08-31 ERCO Leuchten GmbH, 58507 Lüdenscheid Reflektorleuchte, die als Flächenfluter, wie z.B. als Wand- oder Deckenfluter, ausgebildet ist
US6663262B2 (en) * 2001-09-10 2003-12-16 3M Innovative Properties Company Backlighting transmissive displays
US6789914B1 (en) * 2003-05-29 2004-09-14 Hubbell Incorporated Luminaire providing direct and indirect lighting
DE102004051661B3 (de) * 2004-10-22 2006-03-30 Erco Leuchten Gmbh Leuchte und Lichtquelleneinheit zur Ausleuchtung einer Gebäudefläche oder einer Gebäudeteilfläche
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WO2008098360A1 (fr) * 2007-02-16 2008-08-21 Koninklijke Philips Electronics N.V. Système optique pour luminaire
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DE102007059607A1 (de) 2007-12-11 2009-06-18 Bartenbach, Christian, Ing. Wand- und/oder Deckenleuchte
US8038327B1 (en) * 2008-05-06 2011-10-18 Genlyte Thomas Group Llc Color mixing luminaire
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Also Published As

Publication number Publication date
WO2016059148A1 (fr) 2016-04-21
US10222028B2 (en) 2019-03-05
EP3207308B1 (fr) 2019-06-26
US20170234508A1 (en) 2017-08-17
DE202014104900U1 (de) 2016-01-18

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