EP1584860A2 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP1584860A2
EP1584860A2 EP05007350A EP05007350A EP1584860A2 EP 1584860 A2 EP1584860 A2 EP 1584860A2 EP 05007350 A EP05007350 A EP 05007350A EP 05007350 A EP05007350 A EP 05007350A EP 1584860 A2 EP1584860 A2 EP 1584860A2
Authority
EP
European Patent Office
Prior art keywords
reflector
lamp
luminaire
luminaire according
roof
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.)
Withdrawn
Application number
EP05007350A
Other languages
German (de)
English (en)
Other versions
EP1584860A3 (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 EP1584860A2 publication Critical patent/EP1584860A2/fr
Publication of EP1584860A3 publication Critical patent/EP1584860A3/fr
Withdrawn legal-status Critical Current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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • 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 invention relates to a luminaire, in particular a ceiling and recessed light, with a luminaire housing for recording at least one lamp, preferably a fluorescent lamp, a primary optics with a light directing system, which the from the at least one lamp emitted light directly on directs a visual task, and a secondary optics, the of the light emitted from the lamp above a arranged above the lamp Roof reflector directs to the visual task.
  • a luminaire in particular a ceiling and recessed light
  • a luminaire housing for recording at least one lamp, preferably a fluorescent lamp, a primary optics with a light directing system, which the from the at least one lamp emitted light directly on directs a visual task, and a secondary optics, the of the light emitted from the lamp above a arranged above the lamp Roof reflector directs to the visual task.
  • the primary optical system directs the light emitted downwards from the lamp directly on the visual task, while the secondary optical system the Diffused light emitted by the lamp also reflects upwards down to the visual task directs.
  • the primary optical System is preferably as a lamellar grid or as a partial translucent, formed the lamp enclosing component.
  • the secondary optical system includes one above the Lamp arranged and arched roof reflector.
  • the diffuse light scattering of the secondary optical system prevents naturally a targeted light control.
  • the arched reflector of the secondary optical system is usually white painted and therefore has a relatively low operating efficiency; finally the secondary optics generates stray light, which further reduces the operating efficiency.
  • the invention has the object of providing a luminaire of the type mentioned in such a way that the light flux emitted by the lamp is discharged by means of primary and secondary optics glare-free with the greatest possible degree of efficiency in the room;
  • the roof reflector a concave arched main reflecting surface and that includes laterally arranged at least one side reflector of the roof reflector which is designed to be an inadmissibly high glare to avoid.
  • the roof reflector forms according to the invention together with the side reflector and the lamp the secondary optical System.
  • the main reflection surface of the roof reflector is so arched that the light striking directly from the lamp Light by directional reflection, preferably also by The primary optic is steered and thus also glare-free emerges from the luminaire.
  • the roof reflector is usually canted from a sheet metal profile, which consists of a reflective aluminum or reflection-enhancing coated, either high gloss or satined. Also side reflectors are preferably high gloss or satined reflection-enhancing coated.
  • the luminaire according to the invention can be single-lamp or multi-lamp, preferably Be formed 2-lamp.
  • the side reflector transverse to the lamp longitudinal axis several times Formation of partial reflector surfaces canted and concave is.
  • the side reflector thus has a prismatic surface on, which runs transversely to the lamp longitudinal axis.
  • L ⁇ 1000 cd / m2 has a luminaire housing with a width of 600 mm and a height of 95 mm a radius of curvature of Main reflection area between 100 and 150 mm, preferably 130 mm, and a radius of curvature of the side reflection surface of 600 and 800 mm, preferably 700 mm, exposed. Further has It is shown that angles of 90 ° between two adjacent Thighs of the partial reflector surfaces are particularly advantageous, to achieve directional and glare-free light control.
  • the Partial reflector surfaces preferably have a width of 4 - 8 mm.
  • the side reflector is reflection-enhancing coated with a coating of titanium dioxide and silicon dioxide.
  • the coating site thus provides a quenched surface with a reflectance of up to 98%. It acts this is a reflection-enhancing interference layer with layer thicknesses of one quarter of the middle wavelength of visible light.
  • the roof reflector preferably at least one lateral reflection surface on, which adjoins the main reflection surface and so inclined in relation to the horizontal, that only a small luminous flux impinges directly from the lamp.
  • the roof reflector preferably at least one lateral reflection surface on, which adjoins the main reflection surface and so inclined in relation to the horizontal, that only a small luminous flux impinges directly from the lamp.
  • Side reflectors can be arranged on both sides of the roof reflector his and the roof reflector also includes both sides lateral reflection surfaces, which are located between the Main reflection surface and the side reflectors arranged on both sides extend.
  • the one or more side reflectors are also out Sheet metal folded; reflective aluminum is particularly advantageous.
  • Primary optics can be used to achieve glare-free light control comprise a known grid or a prism plate, preferably has a finely structured surface.
  • the primary optics further comprise a so-called "double prismatics", the from two in the beam direction superimposed prism plates consists of which the prisms of the first plate in Lamp longitudinal direction and the prisms of the second plate extend transversely to the lamp longitudinal direction.
  • the grid of the primary optics is preferably formed high gloss and / or satined.
  • the primary optics may also have a have plate-shaped cover, the conical microprisms and coated with a partially reflective film is.
  • the ceiling and recessed luminaire invention consists essentially from a box-shaped luminaire housing 10, which a fluorescent lamp 12, the operating devices, not shown, a primary optic marked 20 in its entirety and a secondary optic marked 40 in its entirety receives.
  • the luminaire housing 10 in the present case has a width of 600 mm and a height of 95 mm and consists of a folded metal sheet profile.
  • the fluorescent lamp 12 is centered in the Luminaire housing 10 is arranged.
  • Above the fluorescent lamp 12 is the secondary optics 40 positioned; below the fluorescent lamp 12 the primary optics 20.
  • the primary optics shown in Figures 1 and 2 and 6 to 9 20 is formed as a double prism optics.
  • This double prism optics consists of an upper prismatic disk 22, the on its underside has a prismatic structure, wherein the individual prisms in the longitudinal direction of the lamp longitudinal axis extend, and one disposed below the upper prismatic disk 22 lower prismatic disk 24, which is also a one-sided Prism structure, however, extending transversely to the longitudinal axis of the lamp extend.
  • To generate a directed, but Blinding primary illumination is the lower prismatic disk 24 further curved concavely with respect to the fluorescent lamp 12.
  • the upper prismatic disk 22 and the lower prismatic disk 24 are each made of a plastic, preferably PMMA or PC.
  • the luminaire according to the invention shown schematically, in which the primary optics 20 a well-known Lammellenraster with two lateral sidebars 36 includes, between which several Transverse webs 38 arranged at defined distances from each other are. In addition, two V-reflectors 39 are on the transverse webs 38 placed.
  • the primary optics 20 consists of these only one side finely textured prism plate 26, on its top a partially reflective film 28 has.
  • the secondary optics 40 is the same in all embodiments educated. It consists of a center over the lamp or the lamps arranged roof reflector, which consists of a reflection-enhanced coated sheet metal profile exists and on the Luminaire housing 10 is attached.
  • the roof reflector has a central main reflecting surface 44 having a radius of 130 mm concave.
  • the roof reflector goes in each case Connection to the main reflection surface 44 in lateral reflection surfaces 46 and 48 over.
  • These lateral reflection surfaces 46 and 48 are planar and extend in one Angle of 35 ° with respect to the horizontal from the end of the concave curved main reflecting surface 44 to the top of the lamp housing 10.
  • the side reflectors 60 and 62 extend from the top of the lamp housing 10 to the bottom Edge of the light housing 10.
  • the side reflectors 60 and 62 are, as can be seen in particular from Figure 9, several times Canted transversely to the lamp longitudinal axis to produce a prismatic structure and concave arched with a radius of 700 mm.
  • the primary optics 20 directs the of the fluorescent lamp 12 or the fluorescent lamps emitted light glare-free on the Visual task.
  • the primary optics can be considered the mentioned double prismatics with two prism plates arranged one above the other in the beam direction, as lamellar grid or a finely structured Prism plate with applied or attached partially reflecting Be designed foil. All solutions mean that the primary optics 20 in a fluorescent lamp 12 side shielding inner housing 30 is attached, which is the direct Insight on the fluorescent lamp 12 prevents and in the further, preferably reflection-enhancing coated Reflectors 32 may be located.
  • the main reflecting surface 44 of the roof reflector is such that on the concave arched main reflection surface 44 incident light by directional reflection preferably is directed by the primary optics 20 and thereby also emerges from the luminaire without glare (see FIG. 6).
  • the laterally adjoining the main reflecting surface 44 and planar side reflective surfaces 46 and 48 of the Roof reflectors are inclined so up to the fluorescent lamp 12, that only a small luminous flux from the fluorescent lamp 12 impinges on these side reflector surfaces 46, 48, which is then deflected to the side reflectors 60 and 62 and emerges from the luminaire glare-free.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP05007350A 2004-04-10 2005-04-05 Luminaire Withdrawn EP1584860A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017687 2004-04-10
DE102004017687A DE102004017687B4 (de) 2004-04-10 2004-04-10 Leuchte

Publications (2)

Publication Number Publication Date
EP1584860A2 true EP1584860A2 (fr) 2005-10-12
EP1584860A3 EP1584860A3 (fr) 2006-01-18

Family

ID=34895563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007350A Withdrawn EP1584860A3 (fr) 2004-04-10 2005-04-05 Luminaire

Country Status (2)

Country Link
EP (1) EP1584860A3 (fr)
DE (1) DE102004017687B4 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1032233C2 (nl) * 2006-07-25 2008-01-28 Hspw Holding B V Belichtingsarmatuur voor het aanlichten van gewassen.
NL2008678C2 (nl) * 2012-04-20 2013-10-23 Brouwers Lichttechniek B V Verlichtingsinrichting met verstelbare verlichtingshoek.
EP2672172A1 (fr) * 2012-06-04 2013-12-11 RIDI Leuchten GmbH Lampe, notamment pour une bande lumineuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545393A (fr) *
DE952918C (de) * 1953-12-29 1956-11-22 Helmut Naumann Dr Ing Leuchte fuer Lichtquellen grosser Laenge, aber mit kleinem Durchmesser, vorzugsweise fuer Blitzlicht-Entladungslampen
DE10006410A1 (de) * 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
NL1011026C2 (nl) * 1999-01-14 2000-07-17 Juliette Simone Catharina Van Verlichtingsarmatuur.
DE50106927D1 (de) * 2000-03-03 2005-09-08 Siteco Beleuchtungstech Gmbh Hohllichtleiterleuchte mit in den Hohlraum integrierter Lampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1032233C2 (nl) * 2006-07-25 2008-01-28 Hspw Holding B V Belichtingsarmatuur voor het aanlichten van gewassen.
NL2008678C2 (nl) * 2012-04-20 2013-10-23 Brouwers Lichttechniek B V Verlichtingsinrichting met verstelbare verlichtingshoek.
WO2013157943A1 (fr) * 2012-04-20 2013-10-24 Brouwers Lichttechniek B.V. Dispositif d'éclairage ayant un angle d'éclairage ajustable
EP2672172A1 (fr) * 2012-06-04 2013-12-11 RIDI Leuchten GmbH Lampe, notamment pour une bande lumineuse

Also Published As

Publication number Publication date
EP1584860A3 (fr) 2006-01-18
DE102004017687A1 (de) 2005-11-03
DE102004017687B4 (de) 2007-05-16

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