EP1584861A2 - Lampe de plafond ergonomique - Google Patents

Lampe de plafond ergonomique Download PDF

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Publication number
EP1584861A2
EP1584861A2 EP05007578A EP05007578A EP1584861A2 EP 1584861 A2 EP1584861 A2 EP 1584861A2 EP 05007578 A EP05007578 A EP 05007578A EP 05007578 A EP05007578 A EP 05007578A EP 1584861 A2 EP1584861 A2 EP 1584861A2
Authority
EP
European Patent Office
Prior art keywords
light
luminaire according
fluorescent tubes
luminaire
fluorescent
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
EP05007578A
Other languages
German (de)
English (en)
Other versions
EP1584861B1 (fr
EP1584861A3 (fr
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux Lenze GmbH and Co KG
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 Trilux Lenze GmbH and Co KG filed Critical Trilux Lenze GmbH and Co KG
Publication of EP1584861A2 publication Critical patent/EP1584861A2/fr
Publication of EP1584861A3 publication Critical patent/EP1584861A3/fr
Application granted granted Critical
Publication of EP1584861B1 publication Critical patent/EP1584861B1/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
    • 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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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
    • 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
    • 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
    • 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
    • F21V23/026—Fastening of transformers or ballasts
    • 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
    • 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 an ergonomic ceiling light, which in particular for the illumination of offices with Computer workstations is suitable.
  • Such lights usually have as bulbs Gas discharge lamps or fluorescent tubes on, below derer so-called photometric raster elements, as they For example, from DE 34 12 162 C1 are known arranged are by means of which emitted by the fluorescent tube Directed light and emitted glare-free down becomes. Although such lights are excellent for Worktop lighting worry, the room lighting conditions as unpleasant, because diffused light missing, the ceilings and walls lit up. For ceiling pendant lights This type is therefore provided that the fluorescent tubes also shine undirected up against the ceiling and the room diffused by the ceiling Light up the light.
  • the object of the invention is to provide such a ceiling light with fluorescent tubes, grid and lateral light distribution chambers to provide that low construction height having.
  • the object of the invention is also a lamp without additional bulbs in the lateral Lichtverteilhuntn for a sufficient luminance of the radiating surfaces the light distribution chambers to provide.
  • the object is according to a luminaire, the two arranged in parallel Fluorescent tubes and laterally on both sides spreading light distribution chambers and one below the Fluorescent tubes arranged photometric grid element contains, wherein between the fluorescent tubes an outside designed as a reflector elongated trough to record the electronic controls for the Fluorescent tubes is arranged.
  • the trough has a substantially rectangular Cross-section with an upward opening.
  • each one of the fluorescent tubes is arranged on both sides of the trough.
  • Below the trough and the fluorescent tubes extends the grid.
  • the fluorescent tubes projecting part of the side walls of the Trough diagonally bent outward and extends further horizontally above the fluorescent tubes further outside, leaving a substantial part of that of the neighboring Fluorescent tube in the direction of the lamp center plane emitted light from the fluorescent tube facing reflective side of the trough and his likewise reflective horizontal extension towards the lateral light distribution chamber is deflected. This will achieved an increased light input into the Lichtverteilsch.
  • the trough is associated with the further technical advantage that this increases the longitudinal stiffness in flat lights and consequently the luminaire housing is made correspondingly filigree can be.
  • the Lichtverteilhuntn consist of a substantially vertical boundary wall adjacent to the respective fluorescent tube made of transparent, diffuse light-scattering material, through which light enters the light distribution chamber, a laterally extending lower boundary wall also transparent, diffuse light-scattering material, diffused by the light from the light distribution chamber and an upper opaque cover, reflecting towards the inside of the light distribution chamber is and e.g. Made of polished aluminum sheet can. Cost-effective is a training as white powdered Sheet steel.
  • the radiating surface and the upper converge translucent cover in the course of their lateral Extension, so that they are in a common, to the Fluorescent tubes meet parallel outer edge, the light distribution chamber So a substantially triangular cross-section having.
  • the ratio of the lateral extent a light distribution chamber and its vertical extent at least 3: 1, more preferably at least 4.5: 1.
  • Suitable as a transparent light-scattering material Glass or translucent plastics with light scattering roughened surface, preferably roughened on both sides Surface, or plastics with light-scattering inclusions.
  • the inner surface of the radiating surfaces of the Lichtverteilwaitn are preferably with a fluorescent tube provided parallel stepped structure, which approximates as possible vertical incidence of light ensured.
  • At least one of the upper and lower boundary surfaces is preferred the Lichtverteilhuntn seen from the outside convex designed so that a good lateral luminance distribution the emission surface is achieved.
  • the Lichtverteilhuntn seen from the outside convex designed so that a good lateral luminance distribution the emission surface is achieved.
  • the radiating surface is convex and the Reflector flat and parallel to the ceiling.
  • the radiating surface level and after installation with the ceiling underside be aligned and the reflector convex.
  • an embodiment of the lamp is such, that only a part of the height of the lamp sunk in the ceiling and the luminaire is in the rest of the ceiling underside extends into the room, with the radiating surfaces the lateral light distribution chambers are convex of the ceiling underside approach. This will be a particularly pleasing Aesthetics of the lamp produced. Furthermore, this can be a required Installation depth can be achieved, the thickness of usual ceiling paneling does not exceed.
  • the grid is integrated into the luminaire body, so that the underside of the grid with the underside of the radiating surfaces the light distribution chambers are aligned. This is the case Risk that the edges of the adjacent edges of the grid Radiating surface of the light distribution chambers through the outer Sidebars of the grid is shadowed.
  • the preferred Embodiment therefore becomes the vertical light entrance wall the Lichtverteilhunt formed so that they formed at its lower edge with a lateral recess and this return from the mirror above the fluorescent tube is illuminated reflected light.
  • luminaires of the generic type succeed To manufacture a kind whose overall height is less than 4 times, preferably less than 3.5 times the fluorescent tube diameter is. Furthermore, more than 60% succeed of the light generated by the fluorescent tubes in the Direct light distribution chambers, so that the average luminance the emitting surfaces of Lichtverteilhuntn more than 25% of the average luminance of the grid at a radiating surface ratio from Lichtverteilhuntn to the grid of 6: 1.
  • the elements of the invention were substantially in shape elongated, parallel to the fluorescent tubes Profiles described.
  • the skilled person is able on both sides of the longitudinal extent of the fluorescent tubes in planes provide terminating elements transverse to their axis.
  • the figures each show a half of respect to the Center plane M symmetrical luminaire 1 in cross section.
  • the Luminaire 1 consists in principle of the fluorescent tube 2, the light distribution chamber 3, the grid 4, and optionally the housing 5 with only partially indicated fasteners 51 for the delivery of the lamp to the ceiling construction 7.
  • the fluorescent tubes 2 are electronic operating elements 21 required according to the invention inside a mirror formed outside elongated trough 6 disposed between the fluorescent tubes are.
  • the Lichtverteilhuntn 3 consist in principle of a formed inside as a mirror or diffuser reflector upper boundary wall 31, one to the fluorescent tube. 2 adjacent vertical boundary wall 33 of transparent, diffused light scattering material through which light from the fluorescent tube enters the Lichtverteilhunt, as well a lower, serving as a radiating surface boundary wall 32 made of transparent, diffused light-scattering material.
  • the reflector may be formed on the upper side of the housing so that this is not an integral part of Light distribution chamber 3 is.
  • the grid 4 consists in a known manner of two sidebars 42, between which there are a variety of cross blades 43 extend; on the middle of the cross blades 43 is upper side a V-reflector 41 attached.
  • Fig. 1 shows a recessed luminaire 1 with a flat radiating surface 32 of the Lichtverteilhunt, with the ceiling lower edge 71st flees.
  • the reflector 31 is designed as a convex mirror.
  • the fluorescent tube 2 is located in one down open housing, consisting of the vertical side wall 62 the trough 6, an upper mirror 64 and the vertical Light entrance boundary wall 33 of the light distribution chamber 3 is formed.
  • By the arrows 8 is indicated that of the fluorescent tube in the direction of the trough 6 radiated Light over the mirror surfaces 62 and 64 into the light distribution chamber 3 is steered.
  • FIG. 2 shows a surface-mounted luminaire 1 with a planar reflector 31 and a convexly outwardly curved radiating surface 32.
  • the trough 6 was provided with a conical widening 63 with an opening angle of 15 to 40 °.
  • Arrows 8 indicate the deflection of the light from the back of the fluorescent tube in the Lichtverteilhunt.
  • the grid 4 was included in the lamp body, so that the lower edge 44 of the grid 4 is aligned with the radiating surface 32.
  • Fig. 3 shows an embodiment of the invention, in which only a part of the height of the lamp 1 sunk in the ceiling 7 is.
  • the reflector 31 is designed as a convex mirror.
  • the Radiating surface 32 is also curved convexly outwards. To avoid shading at the adjacent to the grid 4 Edge of the radiating surface 32 through the side longitudinal lamella 42 has the vertical light entrance wall 33 the Lichtverteilhunt a return 34.
  • the arrows 9 indicate that the return 34 through from the fluorescent tube 2 obliquely upwardly emitted light by reflection is illuminated on the mirror surface 64, so that shadowing is avoided.
  • Fig. 4 shows an embodiment of the invention as shown in Fig. 3, wherein the upper boundary wall 31 of the Lichtverteilhunt is designed as a planar reflector.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP05007578A 2004-04-10 2005-04-07 Lampe de plafond ergonomique Not-in-force EP1584861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017686A DE102004017686A1 (de) 2004-04-10 2004-04-10 Ergonomische Deckenleuchte
DE102004017686 2004-04-10

Publications (3)

Publication Number Publication Date
EP1584861A2 true EP1584861A2 (fr) 2005-10-12
EP1584861A3 EP1584861A3 (fr) 2007-11-14
EP1584861B1 EP1584861B1 (fr) 2011-08-03

Family

ID=34895562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007578A Not-in-force EP1584861B1 (fr) 2004-04-10 2005-04-07 Lampe de plafond ergonomique

Country Status (4)

Country Link
US (1) US7232239B2 (fr)
EP (1) EP1584861B1 (fr)
AT (1) ATE519068T1 (fr)
DE (1) DE102004017686A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2679882A1 (fr) * 2012-06-29 2014-01-01 Toshiba Lighting & Technology Corporation Luminaire

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11940121B2 (en) 2022-08-30 2024-03-26 Abl Ip Holding Llc Light fixture for ceiling grid

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436635A (en) 1944-02-24 1948-02-24 Doane Products Corp Luminaire
CH352406A (de) 1957-12-14 1961-02-28 Esta Ag Fuer Lichttechnik Und Elektrische Deckenleuchte
DE2411623A1 (de) 1974-03-11 1975-09-18 Franz Wieth Blendungsfreie, paarweise ausgebildete spiegelreflektorleuchte
FR2315660A1 (fr) 1975-06-26 1977-01-21 Jatte Ateliers Metallurg Perfectionnements aux luminaires
DE3412162C1 (de) 1984-03-31 1985-08-29 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Langgestreckte Leuchte
DE29710475U1 (de) 1997-06-10 1997-08-14 Semperlux Gmbh Innenleuchte
DE29712314U1 (de) 1996-11-16 1997-09-04 Semperlux Gmbh Innenleuchte
WO1998029683A1 (fr) 1996-12-26 1998-07-09 Heiko Hinrichs Systeme d'eclairage pour interieurs
DE10006410A1 (de) 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
DE10104090A1 (de) 2001-01-31 2002-08-01 Semperlux Ag Leuchte mit Direktlicht und seitlichem Rand-Lichtanteil
DE10112055A1 (de) 2001-03-14 2002-10-02 Wila Patent Und Lizenzgmbh Sev Deckenleuchte

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562517A (en) 1983-02-28 1985-12-31 Maximum Technology Reflector systems for lighting fixtures and method of installation
GB2190735B (en) 1986-06-06 1989-12-13 Philips Electronic Associated Light fittings
DE4219742A1 (de) 1992-06-17 1993-12-23 Zumtobel Licht Wannenleuchte mit Reflektorkorb
US6059424A (en) * 1996-06-03 2000-05-09 Kotloff; Ronald F. Fluorescent lighting fixture
JP3814884B2 (ja) * 1996-08-30 2006-08-30 松下電工株式会社 照明装置
DE19647487A1 (de) 1996-11-16 1998-05-20 Semperlux Gmbh Anpassung der Oberflächenleuchtdichte von Leuchten-Konturen und Gehäuse-Flächen an die physiologischen Anforderungen
DE10216249A1 (de) 2002-04-12 2003-10-23 Zumtobel Staff Gmbh Leuchte mit Diffusor-Korb
US6739734B1 (en) * 2003-03-17 2004-05-25 Ultimate Presentation Sytems, Inc. LED retrofit method and kit for converting fluorescent luminaries

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436635A (en) 1944-02-24 1948-02-24 Doane Products Corp Luminaire
CH352406A (de) 1957-12-14 1961-02-28 Esta Ag Fuer Lichttechnik Und Elektrische Deckenleuchte
DE2411623A1 (de) 1974-03-11 1975-09-18 Franz Wieth Blendungsfreie, paarweise ausgebildete spiegelreflektorleuchte
FR2315660A1 (fr) 1975-06-26 1977-01-21 Jatte Ateliers Metallurg Perfectionnements aux luminaires
DE3412162C1 (de) 1984-03-31 1985-08-29 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Langgestreckte Leuchte
DE29712314U1 (de) 1996-11-16 1997-09-04 Semperlux Gmbh Innenleuchte
WO1998029683A1 (fr) 1996-12-26 1998-07-09 Heiko Hinrichs Systeme d'eclairage pour interieurs
DE29710475U1 (de) 1997-06-10 1997-08-14 Semperlux Gmbh Innenleuchte
DE10006410A1 (de) 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
DE10104090A1 (de) 2001-01-31 2002-08-01 Semperlux Ag Leuchte mit Direktlicht und seitlichem Rand-Lichtanteil
DE10112055A1 (de) 2001-03-14 2002-10-02 Wila Patent Und Lizenzgmbh Sev Deckenleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2679882A1 (fr) * 2012-06-29 2014-01-01 Toshiba Lighting & Technology Corporation Luminaire

Also Published As

Publication number Publication date
US7232239B2 (en) 2007-06-19
ATE519068T1 (de) 2011-08-15
DE102004017686A1 (de) 2005-11-03
EP1584861B1 (fr) 2011-08-03
EP1584861A3 (fr) 2007-11-14
US20060139925A1 (en) 2006-06-29

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