EP1561994B1 - Ensemble reflecteur pour luminaire constitué d'une pluralité de blocs-réflecteurs disposés en série - Google Patents

Ensemble reflecteur pour luminaire constitué d'une pluralité de blocs-réflecteurs disposés en série Download PDF

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Publication number
EP1561994B1
EP1561994B1 EP05002418A EP05002418A EP1561994B1 EP 1561994 B1 EP1561994 B1 EP 1561994B1 EP 05002418 A EP05002418 A EP 05002418A EP 05002418 A EP05002418 A EP 05002418A EP 1561994 B1 EP1561994 B1 EP 1561994B1
Authority
EP
European Patent Office
Prior art keywords
reflector
elements
another
reflector arrangement
chambers
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.)
Expired - Lifetime
Application number
EP05002418A
Other languages
German (de)
English (en)
Other versions
EP1561994A3 (fr
EP1561994A2 (fr
Inventor
Christian Dipl.-Ing. Susana
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 EP1561994A2 publication Critical patent/EP1561994A2/fr
Publication of EP1561994A3 publication Critical patent/EP1561994A3/fr
Application granted granted Critical
Publication of EP1561994B1 publication Critical patent/EP1561994B1/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
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • 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
    • F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular

Definitions

  • the present invention relates to a reflector arrangement for a luminaire, wherein the reflector arrangement has a plurality of reflector chambers arranged in series, via which the light emitted by a light source is emitted in a directionally directed manner.
  • Reflector arrangements of this type are usually used when it is to be avoided that dazzle occurs due to the light emitted by a luminaire.
  • the individual reflector chambers of the arrangement are configured in such a way that the light emitted by the light source can leave the luminaire only at certain angular ranges. These areas are chosen so that an obliquely located below the lamp person can not look directly into the light source.
  • the use of such reflector arrangements also reflections on perpendicular surfaces within a space to be illuminated can be avoided. The directed downwardly emitted light can thus be used in particular to illuminate offices with VDU workstations.
  • the reflector arrangements can also assume different shapes.
  • luminaires which have one or more elongate gas discharge lamps, in particular fluorescent tubes, as the light source.
  • a reflector arrangement arranged in the light emission direction in front of the light source is then likewise elongated and consists of a plurality of reflector chambers arranged in series.
  • annular lights are also known, which have a circular curved light source.
  • the reflector assembly also has a ring structure which is to be arranged in the emission direction in front of the light source.
  • Reflector arrangements of the type discussed above can be created, for example, by first providing two reflector walls which are spaced apart from one another and extend substantially parallel to one another and which are connected to one another by a plurality of latching crossbars.
  • the latching crossbars usually have a slight V-shape and subdivide the overall arrangement into juxtaposed reflector chambers.
  • the German utility model DE 90 17 372 describes a lamp having an elongated light source in a rectangular base body.
  • the elongate light source is also associated with a mirror grid as a reflector, wherein the mirror grid is composed of several individual elements.
  • the European patent application EP 0 359 069 shows a method for producing a lighting grid.
  • grid chambers are formed as individual components, which are then connected to a plurality of strung together on a holding device with each other to a light grid.
  • the German Offenlegungsschrift DE 33 37 901 shows a reflector of an inside mirrored hollow body, on the sides of which openings are provided for introducing a light source.
  • the reflector is preferably made of foldable material and serves as an element for assembly into a grid.
  • the present invention is based on the object to provide a way to produce reflector assemblies in different shapes and lengths in the simplest possible way.
  • the reflector arrangement according to the invention has a plurality of reflector chambers arranged in series.
  • the reflector chambers or groups thereof are separate elements which are suitable and intended for assembly, such that they as a whole constitute the reflector arrangement.
  • the juxtaposed end walls of two adjoining elements together yield a latching transverse web, by means of which the reflector chambers are separated from one another.
  • the end walls of the elements are - seen in the direction of radiation - slightly outward inclined, so that formed by two adjacent elements Rastquersteg is substantially V-shaped, as is the case with the usual V-blades of lamp grids.
  • the end walls of two adjoining elements abut one another at their lower edges.
  • the retractor assembly is thus not formed as previously from the side Retlektor professionn and interposed Rastquerstegen, but instead individual individual elements are assembled into an entire arrangement, wherein the individual elements comprise at least one reflector chamber. It is a modular system available, so to speak, in which the separate elements can be assembled in the desired manner. This makes it possible in particular to form reflector assemblies of any length, which is advantageous if the arrangements must be adapted to certain lights. Furthermore, it is also possible to use slightly curved elements which are assembled into a ring structure in order to form an annular reflector arrangement.
  • the separate elements according to the invention are preferably made of plastic and can be produced in particular by injection molding.
  • the retarder assembly according to the invention has improved optical properties.
  • the elements assembled to form the retractor assembly can be held together by a separate retaining element, but preferably they have their own connecting means, over which they are assembled.
  • the connecting means can form tongue and groove connections, via which a simple and quick assembly of the elements in the manner of a modular system is made possible.
  • Fig. 1 shows a lamp provided in its entirety by the reference numeral 1, in which a reflector assembly according to the present invention is used.
  • the illustrated luminaire 1 is a ceiling luminaire with a box-shaped luminaire housing 2, which is inserted into the circular opening of a ceiling 3.
  • annular light source in the form of a gas discharge lamp 5.
  • the light emitted by this lamp 5 should be radiated towards the bottom, but only within certain angular ranges in order to avoid glare.
  • annular reflector arrangement 10 is provided which, viewed in the emission direction, is arranged substantially in front of the lamp 5.
  • the restriction of the emitted light rays to certain areas is done on the one hand by the reflective outer and inner walls 10a and 10b of the reflector assembly, but in particular by a plurality of transversely arranged thereto - schematically illustrated - Rastquerstegen 13.
  • These locking crossbars 13 divide the cross-section U- shaped reflector assembly 10 in a plurality of reflector chambers 12, which each form a light exit surface on its underside, through which the light of the lamp 5 is discharged.
  • the latching transverse webs 13 At their upper area, each have a recess 11, which allows the lamp 5 to be arranged within the upper area of the reflector arrangement 10.
  • the shape and structure of the inner and outer walls 10a and 10b and the Rastquerstege 13 of the reflector assembly 10 is such that light emitted from the lamp 5 light can leave the emission openings of the light chambers 12 only at certain angles.
  • the walls are each slightly inclined laterally, so that a lateral radiation is possible at smaller angles.
  • the solution according to the invention consists of assembling the reflector arrangement of separate elements, wherein the elements form a reflector chamber or a group of reflector chambers. Corresponding elements are in the Fig. 2a and 2b shown.
  • the element provided with the reference numeral 20 is box-shaped and has two side walls 21 and 22 and two end walls 23 and 24 which are reflective at least on its inner side or provided with a reflective layer and together define a light exit opening for a reflector chamber on its underside ,
  • the elements 20 are to be used to form an annular reflector arrangement, for which reason the side walls 21 and 22 are slightly arcuately curved and the outer side wall 23 has a greater radius of curvature than the opposite inner wall 21.
  • First connecting elements consist in a recess 25a and a pin-shaped projection 25b, which are arranged at the two ends of a laterally adjoining the light exit opening bottom strip 25.
  • a cylindrical groove 26a On the opposite inner side of the element 20 is also a cylindrical groove 26a, which is provided for locking with a columnar projection 26b.
  • the resulting reflector assembly 10 exactly meets the requirements of the lamp in Fig. 1 provided reflector assembly.
  • an annular channel 11 is again formed by corresponding recesses 23a and 24a on the upper sides of the end faces 23, 24, in which the light source can be used.
  • individual Reflector chambers 12 formed, which are separated by transverse webs 13 from each other. It is of particular importance that the reflector transverse webs 13 - as desired in luminaire grids - are slightly V-shaped open upwards. This is achieved in that the latching transverse webs 13 are formed by the two adjoining end walls 23 and 24 of two adjacent elements 20, which are seen in the emission direction, slightly inclined outwards and abut only at their lower edges.
  • each reflector chamber 12 of the reflector assembly 10 is formed by a separate element 20.
  • the reflector assembly 10 according to the invention can thus be created in a simple manner in that a plurality of the elements 20 produced by injection molding is joined together.
  • the tongue and groove connections produced by the connecting elements 25a, 25b and 26a, 26b ensure a reliable hold, so that overall a stable arrangement is achieved.
  • the cost of creating the reflector assembly 10 is in this case significantly lower than was previously the case when assembling many items according to the prior art.
  • An advantage of the inventive solution when creating straight reflector arrangements is that the length of the reflector assembly to be created can be changed in a simple manner by the number of items used. It is therefore possible to provide reflector assemblies of different lengths in a simple manner, without requiring additional effort for this purpose. Furthermore, it would also be possible to form more complex structures for reflector arrangements, provided that the individual elements are shaped accordingly. For example, it would be conceivable to form S-shaped or serpentine reflector arrangements.
  • the present invention provides a solution to create reflector assemblies even more complex forms in a simple and fast way.
  • the reflector assembly formed by means of the composite elements also has excellent optical properties, which is why it can also be used in demanding lighting situations.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (11)

  1. Ensemble réflecteur (10) pour un luminaire (1) avec plusieurs chambres de réflecteur (12) disposées en série, dans lequel
    - les chambres de réflecteur (12) ou groupes sont des éléments séparés (20) qui conviennent pour et sont destinés à être assemblés, de telle manière qu'ils forment au total l'ensemble réflecteur (10),
    - les chambres de réflecteur (12) sont séparées les unes des autres par des barres transversales d'encliquetage (113), les parois frontales juxtaposées (23, 24) de deux éléments (20) contigus formant une barre transversale d'encliquetage (13), et
    - les parois frontales (23, 24) des éléments (20) - en regardant dans la direction de rayonnement - sont inclinées vers l'extérieur, de telle manière qu'une barre transversale d'encliquetage (13) formée par deux éléments (20) contigus est pour l'essentiel en forme de V,
    caractérisé en ce que les parois frontales (23, 24) se raccordent au niveau de leurs bords inférieurs.
  2. Ensemble réflecteur selon l'une des revendications précédentes, caractérisé en ce que les éléments (20) sont tenus par un élément de maintien séparé.
  3. Ensemble réflecteur selon la revendication 1, caractérisé en ce que les éléments (20) présentent à chaque fois leurs propres moyens d'assemblage (25a, 25b, 26a, 26b) pour se relier les uns aux autres.
  4. Ensemble réflecteur selon la revendication 3, caractérisé en ce que les moyens d'assemblage (25a, 25b, 26a, 26b) forment des assemblages à rainure et languette.
  5. Ensemble réflecteur selon l'une des revendications précédentes, caractérisé en ce que les éléments (20) sont composés de matière plastique.
  6. Ensemble réflecteur selon la revendication 5, caractérisé en ce que les éléments (20) sont fabriqués par un procédé de moulage par injection.
  7. Ensemble réflecteur selon l'une des revendications précédentes, caractérisé en ce que les chambres de réflecteur (12) sont formées chacune par un élément unique (20).
  8. Ensemble réflecteur selon l'une des revendications précédentes, caractérisé en ce que les éléments (20) sont assemblés en un ensemble réflecteur (10) droit.
  9. Ensemble réflecteur selon l'une des revendications 1 à 7, caractérisé en ce que les éléments (20) sont incurvés et sont assemblés en une structure annulaire.
  10. Luminaire (1) avec une source lumineuse (5) oblongue ainsi qu'un ensemble réflecteur (10) placé avant la source lumineuse - en regardant dans la direction de rayonnement - caractérisé en ce que l'ensemble réflecteur (10) est réalisé selon l'une des revendications 1 à 9.
  11. Élément réflecteur (20) qui forme une chambre de réflecteur (12) ou un groupe de chambres de réflecteur (12) et qui convient pour et est destiné à être assemblé avec d'autres éléments réflecteurs (20) de même type, de telle manière que
    - les éléments (20) assemblés forment au total un ensemble réflecteur (10) pour un luminaire,
    - les parois frontales (23, 24) juxtaposées de deux éléments (20) contigus forment une barre transversale d'encliquetage (13) de l'ensemble réflecteur séparant deux chambres de réflecteur (12) contiguës, et
    - ces parois frontales (23, 24) se raccordent au niveau de leurs bords inférieurs,
    dans lequel les parois frontales (23, 24) des éléments (20) sont inclinées vers l'extérieur - en regardant dans la direction de rayonnement - de telle manière qu'une barre transversale d'encliquetage (13) formée par deux éléments (20) contigus est pour l'essentiel en forme de V.
EP05002418A 2004-02-06 2005-02-04 Ensemble reflecteur pour luminaire constitué d'une pluralité de blocs-réflecteurs disposés en série Expired - Lifetime EP1561994B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004005917A DE102004005917A1 (de) 2004-02-06 2004-02-06 Reflektoranordnung für eine Leuchte mit mehreren in Reihe angeordneten Reflektorkammern
DE102004005917 2004-02-06

Publications (3)

Publication Number Publication Date
EP1561994A2 EP1561994A2 (fr) 2005-08-10
EP1561994A3 EP1561994A3 (fr) 2007-03-28
EP1561994B1 true EP1561994B1 (fr) 2008-08-20

Family

ID=34673188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05002418A Expired - Lifetime EP1561994B1 (fr) 2004-02-06 2005-02-04 Ensemble reflecteur pour luminaire constitué d'une pluralité de blocs-réflecteurs disposés en série

Country Status (3)

Country Link
EP (1) EP1561994B1 (fr)
AT (1) ATE405792T1 (fr)
DE (2) DE102004005917A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049136A1 (de) * 2010-10-22 2012-04-26 Krones Aktiengesellschaft Heizvorrichtung zur Temperierung von Vorformlingen
DE102014117314A1 (de) * 2014-11-26 2016-06-02 Hella Kgaa Hueck & Co. Beleuchtungsvorrichtung für Fahrzeuge
CN108105627B (zh) * 2018-01-18 2024-04-09 湖南粤港模科实业有限公司 可调节光照宽度和/或角度的led灯具

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT308238B (de) * 1970-04-08 1973-06-25 Christian Bartenbach Ing Lichtdecke
AU496079B2 (en) * 1974-05-06 1976-09-30 Philips' Industries Limited Reflector cell
DE7727839U1 (de) * 1977-09-08 1979-02-01 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen Beleuchtungsvorrichtung mit lichtquelle und dieser zugeordnetem reflektor, der aus mehreren teilreflektoren besteht, die der lichtquelle abschnittsweise aufeinanderfolgend zugeordnet sind
DE2740487C3 (de) * 1977-09-08 1981-06-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Elektronisches Blitzgerät
DE3337901A1 (de) * 1983-10-19 1985-07-25 Innecken, Barbara, 8139 Bernried Reflektor fuer punktfoermige und/oder stabfoermige, lineare oder kreisfoermige lichtquellen
DE3831205A1 (de) * 1988-09-14 1990-03-22 Licentia Gmbh Verfahren zur herstellung eines leuchtenrasters
DE9017372U1 (de) * 1990-12-22 1991-04-04 Großkinsky, Wilfried, 5000 Köln Leuchte, insbesondere Decken- oder Wandleuchte
SE469804B (sv) * 1991-12-09 1993-09-13 Fagerhults Ab Reflektor till en elektrisk strålningsarmatur samt en med en sådan reflektor försedd elektrisk strålningsarmatur
CA2360428A1 (fr) * 1999-11-12 2001-05-25 Koninklijke Philips Electronics N.V. Luminaire sans lamelles
ITTO20010460A1 (it) * 2001-05-18 2002-11-18 Fiat Ricerche Dispositivo di illuminazione a luminanza controllata.
ITTO20010464A1 (it) * 2001-05-18 2002-11-18 Fiat Ricerche Dispositivo di illuminazione a luminanza controllata.
DE10151958A1 (de) * 2001-10-22 2003-04-30 Zumtobel Staff Gmbh Leuchte mit mehreren Topfreflektoren
DE10208441A1 (de) * 2002-02-27 2003-09-11 Ansorg Gmbh Leuchte

Also Published As

Publication number Publication date
EP1561994A3 (fr) 2007-03-28
EP1561994A2 (fr) 2005-08-10
DE102004005917A1 (de) 2005-08-25
DE502005005061D1 (de) 2008-10-02
ATE405792T1 (de) 2008-09-15

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