EP0347867B1 - Système d'éclairage - Google Patents

Système d'éclairage Download PDF

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Publication number
EP0347867B1
EP0347867B1 EP89111250A EP89111250A EP0347867B1 EP 0347867 B1 EP0347867 B1 EP 0347867B1 EP 89111250 A EP89111250 A EP 89111250A EP 89111250 A EP89111250 A EP 89111250A EP 0347867 B1 EP0347867 B1 EP 0347867B1
Authority
EP
European Patent Office
Prior art keywords
lighting system
accordance
light source
large area
vertical support
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
EP89111250A
Other languages
German (de)
English (en)
Other versions
EP0347867A3 (en
EP0347867A2 (fr
Inventor
Hartmut S. Engel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0347867A2 publication Critical patent/EP0347867A2/fr
Publication of EP0347867A3 publication Critical patent/EP0347867A3/de
Application granted granted Critical
Publication of EP0347867B1 publication Critical patent/EP0347867B1/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
    • F21V7/0008—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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V21/06—Bases for movable standing lamps; Fixing standards 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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

Definitions

  • the invention relates to a lighting system, in particular for uniformly illuminating limited work surfaces, consisting of at least one light source and an associated large surface reflector, which at least partially spans the respective work surface and is held on at least one vertical support, and at least one arranged in the area between the work surface and large surface reflector the large area reflector radiating light source.
  • a lighting system of the type mentioned is known. This includes a vertical support, at the head end of which a reflector is provided. As is customary with conventional desk lamps, two light sources are arranged directly on this, ie the sockets for receiving these lamps are integrated in the reflector.
  • the known lighting system has a heat radiation source which is on the work surface, i.e. is arranged in the foot area of the vertical support.
  • the heat radiation source is surrounded by a screen, by means of which the heat radiation emitted by the heat radiation source is directed onto the reflector, where it is directed together with the light radiation against the work surface.
  • the known lighting system is problematic in that it does not allow individual adaptation of the lighting to the respective workplace and is critical in terms of the anti-glare required in computer workplaces. In addition, it does not allow the position of the workplaces to be changed without impairing the lighting quality of the workstation in question.
  • the object of the present invention is to provide a lighting system of the type specified in the preamble of claim 1 in such a way that an optimal, glare-free illumination of the respective workplace is achieved without the need for light planning which encompasses the respective entire space and thereby does not impair the usable area of the Work surface must be accepted.
  • the lighting system should also be suitable for the individualization of the individual workplace and its effectiveness should not be impaired even if changes have to be made in the respective position of the workplace.
  • This object is achieved according to the invention essentially in that the light source is held at a distance from the work surface on the vertical support and the large area reflector on the vertical support is adjustable with respect to the distance and / or the inclination to the work surface.
  • the individual conditions and wishes with regard to workplace lighting can be taken into account by the given setting options of the large area reflector in relation to the work surface, since this enables the lighting system to be adapted to the respective workplace and uniform illumination is ensured if the relative positions and inclinations are set in the respectively required manner are.
  • the large-area reflector is advantageously adjustable in a self-curvature, as a result of which the desired uniformity of the work area lighting and also the desired brightness can be achieved individually for the respective workplace.
  • the vertical support advantageously consists of individual sections which can be coupled and mutually fixed, these individual sections comprising support sections and supporting functional sections for light sources and ballasts can be combined as desired.
  • the couplings between the individual sections are designed both as mechanically stable plug-in, latching or screw connections, and are preferably provided with electrical coupling units which inevitably ensure the necessary electrical connections when the mechanical coupling is carried out.
  • the mechanical coupling can take place via conically interlocking elements, the electrical connection parts being arranged concentrically and the positive and non-positive connection between the two mechanical parts to be coupled being achieved via a screw sleeve.
  • the electrical connection elements can be used in pin-sleeve form or in the form of concentric contact elements.
  • a diagonal division can be provided in such a way that a mechanically stable triangular beam that absorbs all mechanical loads is combined with a likewise triangular receiving space for the electrical functional elements.
  • the light source assigned to the large area reflector is combined at the same time with at least one direct emitter, one direct light source or one light source delivering both direct light and indirect light via the large area reflector.
  • a separate additional light source which is also preferably held on the vertical support, can be used.
  • the brightness is preferably selected so that direct light and reflected light have the same brightness on the work surface, thus ensuring the typical softness of the indirect light and the required absence of shadows on the entire work surface.
  • Fig. 1 shows an example of a piece of work furniture a desk 1 with a work surface 2, which is illuminated by means of the individually adapted to this work surface 2 lighting system according to the invention in accordance with the respective requirements with indirect and direct light in an optimal way, since there are no disturbing structures and there is no shadow formation.
  • the lighting system comprises a vertical support 3, which can be provided with a stable base, but is preferably coupled directly to the desk 1 via an interface connection unit, as well as a large area reflector 4 and one attached to the vertical support 3 Light source 5, which radiates against the large area reflector 4 at predeterminable angles.
  • ballast 6 is required for the light source 5
  • this ballast 6 is preferably designed as a separate unit, likewise held on the vertical support 3. This has the essential advantage that the ballast is not affected by the heat development of the light source, which is of particular importance for electronic ballasts and increases their long-term functionality.
  • the large-area reflector 4 extends over a substantial part of the width of the working surface 2 and can be designed, for example, in the form of an acute-angled, curved sail, which is realized by means of a tensioning frame 10, which is covered with a suitable reflective material.
  • the large-area reflector 4 is preferably attached to the vertical column 3 via a lockable swivel or ball joint 7 and can be equipped with a suitable counterweight 8.
  • the lockable joint 7 can be telescopically extendable for the height adjustment of the large-area reflector 4, but it is also possible to make a height adjustment by inserting an intermediate piece, since the vertical support 3 preferably consists of modular sections that are to be connected to one another, in particular to be screwed together, both having only the support function possessing individual sections are provided, as well as carrier sections in the form of functional units, such a functional unit comprising, for example, a light source or a ballast.
  • the light source 5 can also be combined with a direct emitter 9, which is also optionally designed to be directional and enables additional small-area irradiation of the work surface with the brightness of the indirect light of corresponding brightness.
  • a direct emitter 9 which is also optionally designed to be directional and enables additional small-area irradiation of the work surface with the brightness of the indirect light of corresponding brightness.
  • Fig. 2 shows in a highly schematic manner a possible embodiment of a connection or interface unit 11, as it can be integrated in the manner of a standard unit in work furniture in the edge or corner area, so that a lighting system according to the invention can then be connected without difficulty and the required stability of the lighting system is ensured by the coupling with the work furniture.
  • the interface unit 11 is shown in FIG. 2 in the left part in a first embodiment provided with a flange 18 and in the right part in a second flange-free embodiment for a pipe coupling.
  • the tubular vertical support 3 is screwed to a coupling sleeve 12, and this coupling sleeve 12 has a conically tapering end which engages in a sleeve 20 which is complementary and either provided with a flange 18 or with an external screw thread and with respect to this sleeve 20 can be fixed by means of a clamping screw member 14.
  • This clamping member 14 engages over an annular shoulder of the coupling sleeve 12 and in this way allows an extremely stable clamping fixation to be achieved by a simple screwing operation.
  • the advantage of this construction is that the outer diameter of all visible cylindrical parts is the same, so that a harmonious connection of the respective vertical support 3 to the connection unit 11 results in the assembled state.
  • the embodiment variant according to FIG. 3 differs from the embodiment according to FIG. 1 essentially in that the large-area reflector 4 is assigned a light source 5 in the form of a tube lamp, which extends over a substantial part of the width of the working surface 2 and possibly downwards can be shielded from the working surface 2 by a preferably adjustable screen.
  • a light source 5 in the form of a tube lamp, which extends over a substantial part of the width of the working surface 2 and possibly downwards can be shielded from the working surface 2 by a preferably adjustable screen.
  • an additional light source 16 for example in the form of a spotlight, can also be attached to the vertical support above the large-area reflector 4 in order to obtain a defined room illumination independently of the individual workplace lighting guaranteed by the lighting system according to the invention.
  • FIG. 4 shows a further embodiment of the invention, in which the light source 5 assigned to the large-area reflector 4 is spaced apart from the vertical support 3 and is designed such that a direct light source 17 can be effective approximately in the region of the center of the work surface 2.
  • the direct light source 17 is preferably identical in terms of the light means used to the light source used to generate the indirect light, in which case a transparent area is provided on the work surface side, which is selected so that there is at least essentially at the work surface for the direct and indirect light gives the same brightness.
  • a direct light source 15 which is preferably designed to be horizontal and / or pivotable in a vertical plane, can optionally or alternatively be integrated in the structure of the vertical support 3 consisting of individual sections can be used optionally without affecting the usable work surface 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lasers (AREA)

Claims (19)

  1. Système d'éclairage, notamment pour l'éclairage uniforme de plans de travail délimités,
    comportant au moins une source de lumière et d'un réflecteur (4) à grande surface associé à celle-ci, surplombant au moins une partie du plan de travail (2) associé, supporté par au moins un montant vertical (3), et d'au moins une source de lumière (5) placée dans la zone comprise entre le plan de travail (2) et le réflecteur (4) à grande surface, dirigé vers le réflecteur (4) à grande surface,
    caractérisé en ce que la source de lumière (5) est maintenue sur le montant vertical (3) à une distance par rapport au plan de travail (2), et en ce que le réflecteur (4) à grande surface est réglable sur le montant vertical (3) quant à sa distance et/ou à son inclinaison par rapport au plan de travail (2).
  2. Système d'éclairage selon la revendication 1, caractérisé en ce que la courbure propre du réflecteur (4) à grande surface est réglable.
  3. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que le réflecteur (4) à grande surface est constitué d'un cadre (10) sur lequel est tendu un matériau réfléchissant.
  4. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que le réflecteur (4) à grande surface est réalisé à la manière d'une voile triangulaire et est fixé sur le montant vertical (3) par son extrémité de pointe, au moyen d'une articulation (7) de fixation.
  5. Système d'éclairage selon la revendication 4, caractérisé en ce que l'articulation (7) de fixation est réalisée sous forme d'une articulation oscillante ou d'une articulation à rotule.
  6. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que le réflecteur (4) à grande surface est doté d'un contre-poids (8), de préférence réglable par rapport à l'articulation de fixation.
  7. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que la source de lumière (5) est maintenue et peut être bloquée sur le montant vertical (3) de façon réglable en hauteur et/ou de façon pivotante.
  8. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que l'appareil régulateur ballast (6) requis pour la source de lumière correspondante (5) est réalisé sous forme d'un ensemble séparé, également supporté par le montant vertical (3).
  9. Système d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le montant vertical est composé de secteurs individuels pouvant être accouplés et fixés les uns sur les autres, et en ce que les secteurs individuels peuvent être combinés, au choix, sous forme de secteurs de montant et de secteurs de fonction de support pour sources de lumière (5) et pour appareils régulateurs ballast (6).
  10. Système d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le montant vertical (3) peut être accouplé au moins mécaniquement à un ensemble (11) de raccordement prévu dans une zone marginale au plan de travail ou dans une zone d'angle du plan de travail.
  11. Système d'éclairage selon la revendication 10, caractérisé en ce que l'ensemble (11) de raccordement est réalisé sous forme d'une interface mécanique/électrique.
  12. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce qu'une source de lumière directe (15) réalisée de manière à pouvoir pivoter notamment horizontalement et/ou verticalement est maintenue sur le montant vertical (3) dans la zone comprise entre le plan de travail (2) et la source de lumière (5) associée au réflecteur (4) à grande surface.
  13. Système d'éclairage selon l'une des revendications 1 à 11, caractérisé en ce que la source de lumière (5) associée au réflecteur (4) à grande surface comporte, en même temps, au moins un projecteur (9) ou une source (17) de lumière directe.
  14. Système d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que la distance de la source de lumière associée au réflecteur (4) à grande surface par rapport au montant vertical (3) est réglable par déplacement et/ou par pivotement.
  15. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que la source de lumière (5) associée au réflecteur (4) à grande surface est réalisée sous forme d'un tube et s'étend, à partir de la zone du montant vertical (3) disposé à côté du plan de travail (2), sur au moins la moitié de la largeur du plan de travail.
  16. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce que le réflecteur (4) à grande surface s'étend au moins essentiellement sur les 2/3 environ de la largeur du plan de travail (2).
  17. Système d'éclairage selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'intensité de la lumière indirecte dirigée sur le plan de travail (2) via le réflecteur (4) à grande surface est au moins essentiellement égale à l'intensité de la lumière émise par la source de lumière directe.
  18. Système d'éclairage selon l'une des revendications précédentes, caractérisé en ce qu'en vue du montage de l'interface, l'unité (11) de raccordement est pourvue d'un manchon comportant une collerette (18), comportant un logement conique pour une douille d'accouplement (12) qui peut être fixée au moyen d'un organe de serrage à vis et comporte, à son extrémité libre, un filetage extérieur pouvant être vissé dans le montant vertical (3).
  19. Système d'éclairage selon la revendication 18, caractérisé en ce que, pour effectuer l'accouplement du montant vertical (3) sur un logement à tube, le manchon comporte, à la place de la collerette de raccord, un filetage extérieur permettant de le visser dans un logement à tube correspondant.
EP89111250A 1988-06-21 1989-06-20 Système d'éclairage Expired - Lifetime EP0347867B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3820926A DE3820926A1 (de) 1988-06-21 1988-06-21 Beleuchtungssystem
DE3820926 1988-06-21

Publications (3)

Publication Number Publication Date
EP0347867A2 EP0347867A2 (fr) 1989-12-27
EP0347867A3 EP0347867A3 (en) 1990-06-13
EP0347867B1 true EP0347867B1 (fr) 1994-10-12

Family

ID=6356921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111250A Expired - Lifetime EP0347867B1 (fr) 1988-06-21 1989-06-20 Système d'éclairage

Country Status (4)

Country Link
US (1) US4991065A (fr)
EP (1) EP0347867B1 (fr)
AT (1) ATE112837T1 (fr)
DE (2) DE3820926A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9006883U1 (de) * 1990-06-19 1990-08-23 Siemens AG, 1000 Berlin und 8000 München Reflektoranordnung
EP0583392B1 (fr) * 1991-05-09 1998-03-04 Nu-Tech And Engineering, Inc. Dispositif d'affichage d'instruments dans une voiture
US5647661A (en) * 1992-01-14 1997-07-15 Musco Corporation High efficiency, highly controllable lighting apparatus and method
US5402327A (en) * 1992-01-14 1995-03-28 Musco Corporation Means and method for highly controllable lighting
US5595440A (en) * 1992-01-14 1997-01-21 Musco Corporation Means and method for highly controllable lighting of areas or objects
US5337221A (en) * 1992-01-14 1994-08-09 Musco Corporation Means and method for highly controllable lighting
US5519590A (en) * 1992-01-14 1996-05-21 Musco Corporation Means and method for highly controllable lighting
IT1269929B (it) * 1994-03-28 1997-04-16 Status Srl Lampada da tavolo o da pavimento ad elevata qualita' di illuminazione
SE511449C2 (sv) * 1997-04-08 1999-10-04 Gerhard Rehm Belysningsarmatur för belysning av stora ytor utomhus, i hallar eller dylikt
US6264342B1 (en) * 1999-07-27 2001-07-24 Vh Lichttechnische Spezialgerate Gmbh Illuminating device
DE19943480B4 (de) * 1999-09-10 2005-03-17 Manfred Kluth Leuchte zum indirekten Beleuchten
US7686482B2 (en) * 2007-05-11 2010-03-30 Ructurelab GmbH Lamp with sail-like overhead element, preferably for improving acoustics, room formation, and indirect lighting of workplaces
US10422504B2 (en) * 2014-08-31 2019-09-24 Abl Ip Holding, Llc Luminaire for illuminating a task surface and providing additional diffuse proximity lighting
US10539278B2 (en) * 2014-08-31 2020-01-21 Abl Ip Holding, Llc Luminaire for creating effective proximity lighting in a low ambient lighting environment
CN105042478B (zh) * 2015-08-04 2019-05-17 漳州立达信光电子科技有限公司 Led照明灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1299310A (fr) * 1961-09-02 1962-07-20 Appareil émetteur de radiations
US3851164A (en) * 1973-12-04 1974-11-26 C Intrator Umbrella light
US4524405A (en) * 1983-09-08 1985-06-18 Heard Charles M Fan-shaped indirect lighting reflector
DE3416161A1 (de) * 1984-05-02 1985-11-07 Bitsch, Hans-Ulrich, Prof. Dipl.-Designer, 4000 Düsseldorf Vorrichtung zur indirekten raumbeleuchtung

Also Published As

Publication number Publication date
DE58908487D1 (de) 1994-11-17
EP0347867A3 (en) 1990-06-13
EP0347867A2 (fr) 1989-12-27
DE3820926A1 (de) 1989-12-28
ATE112837T1 (de) 1994-10-15
US4991065A (en) 1991-02-05

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