EP1679470B1 - Luminaire avec guide de lumière creux - Google Patents

Luminaire avec guide de lumière creux Download PDF

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Publication number
EP1679470B1
EP1679470B1 EP05028277A EP05028277A EP1679470B1 EP 1679470 B1 EP1679470 B1 EP 1679470B1 EP 05028277 A EP05028277 A EP 05028277A EP 05028277 A EP05028277 A EP 05028277A EP 1679470 B1 EP1679470 B1 EP 1679470B1
Authority
EP
European Patent Office
Prior art keywords
wall
cavity
light
cross
section
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
EP05028277A
Other languages
German (de)
English (en)
Other versions
EP1679470A2 (fr
EP1679470A3 (fr
Inventor
Kai Hendrik Sabla
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.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Priority to EP11156581.8A priority Critical patent/EP2333402B1/fr
Publication of EP1679470A2 publication Critical patent/EP1679470A2/fr
Publication of EP1679470A3 publication Critical patent/EP1679470A3/fr
Application granted granted Critical
Publication of EP1679470B1 publication Critical patent/EP1679470B1/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
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • 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
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • 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

  • a luminaire for room lighting in particular an interior light
  • a cavity having one or more at least partially reflecting walls which has a first wall which is translucent at least on a partial area and a Lichtauskoppel Scheme of the cavity and in the Lichtauskoppel Complex has a structure of line-shaped refractive elements at least on one side, a second, at least partially transparent wall and a third wall opposite the first wall, which is formed completely or partially reflecting at least on a partial area, and with at least one line-shaped light source which outside the cavity is arranged so that light from these light sources is coupled via the second wall into the cavity and is coupled out via the light outcoupling region of the cavity in the first wall of the cavity the light coupled out via the light extraction region is emitted at a light exit surface of the luminaire, which is characterized in that the linear refractive structures on the first wall are parallel to the or at least one of the light sources and has a tapered cross section in a plane perpendicular to the light source they have a defining line, the linear refractive structures on
  • the structure of line-shaped refractive elements of the first wall is parallel to said light source.
  • the third wall extends beyond the cavity into the region of the light source or the light sources and is formed in the region outside the cavity as a reflector.
  • the center of the lamp is arranged in the said center plane, while in the case of a two-lamp lamp, the lamps are arranged symmetrically to the center plane.
  • the first wall of the two cavities is formed by a single element, for example by a translucent plate which extends over the entire width of the lamp.
  • the invention is based on the general concept of using more homogeneous structures to produce the shielding on the light coupling side, which are easier to manufacture and in which the influence of imperfections in the edge regions is less. According to a first embodiment, this is achieved in that the refractive structures on the light coupling side also extend parallel to the lamp axis and thus over a greater distance. It has surprisingly been found that even with such an orientation with a suitable choice of the angle at the free end of the refractive structures shielding the lamp can be achieved in a plane parallel to the refractive structures.

Landscapes

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

Claims (11)

  1. Luminaire pour l'éclairage d'une pièce, en particulier luminaire d'intérieur, comportant une cavité (5) avec une ou plusieurs parois (11 ; 32 ; 76) au moins partiellement réfléchissantes, laquelle comporte une première paroi (9 ; 30 ; 72) qui est transparente au moins sur une zone partielle et qui comporte une zone de sortie de lumière d'une cavité et, dans la zone de sortie de lumière, comporte au moins sur une face une structure avec des éléments (15) linéaires réfringents, une deuxième paroi (7 ; 62 ; 74) au moins partiellement transparente et une troisième paroi (11 ; 32 ; 76), qui est située en face de la première paroi et qui, au moins dans une zone partielle, est réalisée sous forme totalement ou partiellement réfléchissante, et comportant au moins une source lumineuse (3) de forme linéaire, qui est disposée en dehors de la cavité (5), de telle sorte que la lumière de ces sources lumineuses entre dans la cavité (5) via la deuxième paroi (7 ; 62 ; 74) et sort de la cavité (5) via la zone de sortie de lumière dans la première paroi (9 ; 30 ; 72),
    sachant que les structures linéaires réfringentes, sur la première paroi (9 ; 30 ; 72) s'étendent parallèlement à la source lumineuse et ont une section effilée dans un plan perpendiculaire à la ligne les définissant, caractérisé en ce que l'angle (w), qui est formé entre deux lignes droites qui forment les flancs de la section ou qui se rapprochent des flancs de la section, se situe dans une plage de 100° à 130°, alors que la deuxième paroi (7 ; 62 ; 74), dans la zone transparente, à travers laquelle la lumière des lampes (3) entre dans la cavité (5), comporte une structure avec des éléments (15) linéaires réfringents, qui s'étendent parallèlement à la source lumineuse (3) et, sur une coupe transversale dans un plan perpendiculaire à la ligne les définissant, ont une forme effilée, l'angle (w), formé entre deux lignes droites qui forment les flancs de la section ou qui se rapprochent des flancs de la section, étant inférieur à l'angle correspondant entre les lignes correspondantes pour les éléments des structures sur la première paroi.
  2. Luminaire selon la revendication 1, caractérisé en ce que l'angle entre les lignes droites, qui forment ou se rapprochent desdits flancs de la section des éléments de la structure de la deuxième paroi avec des éléments (15) linéaires réfringents, se situe dans une plage de 80° à 100°.
  3. Luminaire selon la revendication 1 ou 2, caractérisé en ce que les structures réfringentes sur la première paroi (9 ; 30 ; 72) et la deuxième paroi (7 ; 62 ; 74) ont une forme triangulaire sur une coupe transversale perpendiculaire à la ligne les définissant, sachant que l'angle (w), formé par les deux branches au niveau de l'extrémité libre des structures, se situe dans une plage de 100° à 130° pour les structures sur la première paroi (9 ; 30 ; 72) et dans une plage de 80° à 100° pour les structures sur la deuxième paroi (7 ; 62 ; 74).
  4. Luminaire selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la deuxième paroi (7 ; 62 ; 74) forme avec la première paroi (9 ; 30 ; 72) un angle dans une plage de 0° à 150°.
  5. Luminaire selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les structures réfringentes sur la deuxième paroi (7 ; 62 ; 74) se situent sur la face de la deuxième paroi orientée vers la cavité (5).
  6. Luminaire selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la troisième paroi (11 ; 32, 76) est transparente au moins dans des zones partielles.
  7. Luminaire selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la troisième paroi (32) s'étend au-delà de la cavité (5) dans la zone de la source lumineuse ou des sources lumineuses (3) et est configurée comme réflecteur dans la zone en dehors de la cavité (5).
  8. Luminaire selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comporte deux cavités (5) se faisant face, lesquelles sont disposées symétriquement à un plan médian (M).
  9. Luminaire selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la première paroi (9 ; 72) et la deuxième paroi (7 ; 74) sont réalisées d'un seul tenant l'une avec l'autre.
  10. Luminaire selon la revendication 9, caractérisé en ce que la troisième paroi (11) est formée par un élément séparé, qui s'étend entre les extrémités libres d'un profilé formé par la première paroi (9) et la deuxième paroi (7) et est assemblée à la première et à la deuxième paroi.
  11. Luminaire selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la cavité (5) est formée par un profilé extrudé fermé, qui contient la première paroi (9), la deuxième paroi (7) et la troisième paroi (11).
EP05028277A 2005-01-10 2005-12-23 Luminaire avec guide de lumière creux Not-in-force EP1679470B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11156581.8A EP2333402B1 (fr) 2005-01-10 2005-12-23 Luminaire avec guide de lumière creux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005001121 2005-01-10

Publications (3)

Publication Number Publication Date
EP1679470A2 EP1679470A2 (fr) 2006-07-12
EP1679470A3 EP1679470A3 (fr) 2008-12-03
EP1679470B1 true EP1679470B1 (fr) 2011-03-09

Family

ID=35735021

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05028277A Not-in-force EP1679470B1 (fr) 2005-01-10 2005-12-23 Luminaire avec guide de lumière creux
EP11156581.8A Not-in-force EP2333402B1 (fr) 2005-01-10 2005-12-23 Luminaire avec guide de lumière creux

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11156581.8A Not-in-force EP2333402B1 (fr) 2005-01-10 2005-12-23 Luminaire avec guide de lumière creux

Country Status (3)

Country Link
EP (2) EP1679470B1 (fr)
AT (1) ATE501396T1 (fr)
DE (1) DE502005011073D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014867U1 (de) 2008-11-08 2009-02-19 Witt Sensoric Gmbh Universelle optoelektronische Schließkantensicherung
DE202011002032U1 (de) * 2011-01-28 2012-04-30 Wilfried Pöllet Unterbauleuchte
DE102011012653B4 (de) * 2011-02-28 2013-07-25 Frensch Gmbh Einbauleuchte
DE102012213286B4 (de) * 2012-07-27 2014-07-03 Trilux Gmbh & Co. Kg Optisches Element für den Einsatz in längsgestreckten Leuchten
JP2014063665A (ja) * 2012-09-21 2014-04-10 Toshiba Lighting & Technology Corp 照明装置
US11852333B1 (en) * 2022-10-25 2023-12-26 Abl Ip Holding Llc Light fixture with glare reduction panels

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB491257A (en) * 1937-03-15 1938-08-30 British Thomson Houston Co Ltd Improvements in or relating to lighting fittings
DE1101318B (de) * 1956-12-10 1961-03-09 Holophane Ltd Lichtdurchlaessige, lichtbrechende Platte
US3239661A (en) * 1962-05-09 1966-03-08 Holophane Co Inc Surface-attached luminaire
US4059755A (en) 1975-12-29 1977-11-22 Armstrong Cork Company Luminaire lens insert
EP1059484B2 (fr) * 1999-05-25 2014-05-14 Siteco Beleuchtungstechnik GmbH Luminaire avec répartition de l'intensité lumineuse à faisceau large
WO2001044714A2 (fr) * 1999-11-30 2001-06-21 Reflexite Corporation Systeme luminaire
DE19957811A1 (de) 1999-12-01 2001-04-19 Siteco Beleuchtungstech Gmbh Lichtleiterleuchte mit Abschirmung in zwei Ebenen
FR2802582B1 (fr) 1999-12-21 2003-08-22 Sagem Dispositif de fixation d'un equipement sur un mat

Also Published As

Publication number Publication date
EP1679470A2 (fr) 2006-07-12
DE502005011073D1 (de) 2011-04-21
EP1679470A3 (fr) 2008-12-03
EP2333402B1 (fr) 2013-11-06
EP2333402A1 (fr) 2011-06-15
ATE501396T1 (de) 2011-03-15

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