EP0994294B1 - Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand - Google Patents

Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand Download PDF

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Publication number
EP0994294B1
EP0994294B1 EP99119819A EP99119819A EP0994294B1 EP 0994294 B1 EP0994294 B1 EP 0994294B1 EP 99119819 A EP99119819 A EP 99119819A EP 99119819 A EP99119819 A EP 99119819A EP 0994294 B1 EP0994294 B1 EP 0994294B1
Authority
EP
European Patent Office
Prior art keywords
reflector
lighting fixture
fixture according
spot
wall
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
EP99119819A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0994294A2 (de
EP0994294A3 (de
Inventor
Leonard Klose
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.)
Erco Leuchten GmbH
Original Assignee
Erco Leuchten 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 Erco Leuchten GmbH filed Critical Erco Leuchten GmbH
Priority to DK99119819T priority Critical patent/DK0994294T3/da
Publication of EP0994294A2 publication Critical patent/EP0994294A2/de
Publication of EP0994294A3 publication Critical patent/EP0994294A3/de
Application granted granted Critical
Publication of EP0994294B1 publication Critical patent/EP0994294B1/de
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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • 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
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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

Definitions

  • the invention relates to a lighting device for attachment to a first, a light exit plane defining wall, in particular at one Ceiling, as well as for uniform illumination of a large-scale and at an angle, in particular to a 90 ° angle, standing to the first wall second Wall, comprising a light source, in the field the first focus of a substantially ellipsoidal Reflector element is arranged, a Lens arrangement, one with respect to the light exit plane includes inclined lens, and a light exit opening, in the second focus of the Reflector element is arranged.
  • Such a lighting device is in the catalog of the applicant "luminaire program", issue 1998/99, on page 228 under the article number 81661 shown.
  • a light source one PAR 56 500 watt / 120 V lamp provided at one ceiling-mounted a room height of up to 12 m illuminates evenly. Larger room heights are with such a lighting device in principle no longer satisfactorily illuminable.
  • the high-voltage halogen lamp Spot reflector provided by the high-voltage halogen lamp partially surrounds.
  • the high-voltage halogen lamp is at the focal point of the parabolic spot reflector arranged.
  • the arrangement of the high-voltage halogen lamp allows such that its longitudinal axis is vertical to the central axis of the spot reflector, so under an angle between 0 and 45 ° to the Lichtaustrittsebene stands, the use of a high-voltage halogen lamp with a very big performance.
  • the Heat can namely in such a selected arrangement be directed outside the spot reflector, so that there is enough volume for cooling Available. It is crucial in the hit Arrangement of the high-voltage halogen lamp but also that now the light center of the light source is very concentrated in the region of the first focal point of the reflector element is placed. This can be a light pipe take place such that this focal point in the light exit opening of the lighting device, So in the light exit plane, concentrated is shown.
  • the lighting device according to the invention allows an excellent glare limitation, so Virtually glare-free, has good efficiency on and illuminates the wall absolutely evenly.
  • halogen bulbs As a light source, as for example from the above-mentioned catalog of Applicant on page 221, under the article number 81 533.
  • the halogen lamp is arranged so that their Longitudinal axis substantially perpendicular to the light exit plane stands.
  • wallwashers With such wallwashers, however, are only small wall surfaces, evenly illuminable up to 3 m at low room heights. These used halogen bulbs have maximum power from 150 W up.
  • the selected arrangement according to the invention has moreover the advantage that now a change of the lamp can be done easily can. Since the light exit opening is much larger than the used high-voltage halogen lamp, a user can use the lamp easily move through the light exit opening. At the The prior art was the replacement of a relatively large PAR Lamp more complicated because the light exit opening in relation to it was relatively small.
  • a lighting device is used Attachment to a first, defining a light exit plane Wall and for uniform illumination of a large and at an angle to the first wall standing second wall out.
  • a light source provided in the area a first focal point of an ellipsoidal reflector element is arranged.
  • a second focal point of the reflector element is located outside the light exit opening.
  • a lens assembly having a relative to the light exit plane inclined spreading lens is not apparent from this document.
  • a parabolic-shaped spot reflector within which a free-radiating High-voltage halogen lamp is arranged, the longitudinal axis of the Lamp substantially perpendicular to the central axis of the spot reflector is not apparent from this document.
  • the longitudinal axis of the Lamp in a plane parallel to the second wall. This allows spreading of the luminous flux such that a relatively wide wall area of the second wall evenly can be illuminated. For a majority along a line arranged lighting devices can therefore on advantageous way the individual distances the lighting devices from each other low to get voted.
  • the lamp base protrudes at least partially from the Spot reflector out. This allows for a special efficient cooling of the lamp because of the high Performance big heaters, especially in the area of the lamp base, occur. Because the lamp base at least partially protruding from the spot reflector, is immediately adjacent to the lamp base Free space available, the heat energy can record.
  • the invention is the spot reflector in the field of his Center flattened.
  • This is the spot reflector particularly advantageous to the position of the lamp adapted and can thus a particularly high efficiency, i.e. allow a maximum amount of light leakage.
  • the figures in the figures in their entirety with 10 designated lighting device is usually attached to a ceiling 11.
  • the lighting device 10 is intended to denote a in Fig. 1 with 12 Side wall to be illuminated evenly. in this connection these are in particular side walls of a Room with a height H between about 5 and 40 m.
  • Desired is a high efficiency of Luminaire, an absolutely uniform illumination of the Side wall 12 and a user 13 a nearly complete glare limitation or glare-free.
  • the lighting device comprises 10 essentially the following elements:
  • a Holding device 15 is arranged, which in principle any way a spot reflector 16 holds.
  • a free-radiating High-voltage halogen lamp 17 is arranged, whose Socket 18 partially through an opening 19 in the wall of the spot reflector 16 from the interior 20 of the Spot reflector 16 protrudes.
  • the longitudinal axis L of High-voltage halogen lamp 17 is thus under one right angle to the center axis M of the spot reflector 16.
  • the center axis M of the spot reflector 16 is with respect to a through the light exit opening 21st defined light exit plane E at an angle ⁇ inclined.
  • the longitudinal axis L of High-voltage halogen lamp 17 at an acute angle ⁇ (as shown in Fig. 2) with respect to the light exit plane E of the lighting device 10 is.
  • the angle ⁇ is dependent on the room height H to choose. In the embodiment shown in FIGS the angle ⁇ is about 17 °.
  • the angle ⁇ is about 6 °.
  • the parabolic-shaped spot reflector 16 has in Area of its light exit opening 22 a direction neutral, clear, hardly structured dispersion lens 23 on.
  • the scattering lens essentially serves a reduced amount of light on a like a Wallwasher scoop formed elipsoidförmiges To throw reflector element 24. That on his hollow side 25 mirrored reflector element 24 serves the upper portion 12a of the wall 12 soft and streak free illuminate.
  • the scattering lens 23 serves as it were as a link between the direct light component and the amount of scattered light.
  • the scattered light component is over the reflector element 24 in the upper wall area 12a thrown out.
  • the lighting device 10 emitted light
  • a direct light component one Light component is called, which is essentially either directly from the light source 17 without any Reflection through the light exit opening 21 of Lighting device 10 exits, as well as the one Proportion of light, only from the spot reflector 16 is reflected and then by the Light exit opening 21 emerges.
  • the scattered light component is called the light that comes from the high-voltage halogen lamp 17 coming from the scattered lens 23 and deflected is thrown onto the reflector element 24.
  • This Light can then from the reflector element 24 and of the mirrored hollow side 25 through the light exit opening 21 of the lighting device 10 ejected and especially the upper wall area 12a of the wall 12 to be illuminated.
  • the high-voltage halogen lamp 17 is arranged such that the light center of the high-voltage halogen lamp 17 in the region of an upper focal point (about at Pos. P1) of the reflector element 24 is located.
  • the Arrangement is made such that the lower, second focus P2 in the light exit opening 21 the lighting device, in particular in the light exit plane E, is located.
  • the high-voltage halogen lamp 17 is a essentially M-shaped coil, not shown arranged.
  • the arrangement of this filament can be For example, from the aforementioned catalog of Applicant, page 372 in the last column.
  • the actual light volume which is also called Highlighted light, is thus spatially very limited and thus focused around the first focus Pl of the reflector element 24 around.
  • the spot reflector 16 is relative to the reflector element 24 arranged such that the focal point of the parabolic spot reflector 16 with the first Focus P1 of the ellipsoidal reflector element 24 coincides. In an advantageous way is about it.
  • the spot reflector 16 in the region of its center Z flattened. This allows for a special high efficiency of the lighting device according to the invention.
  • a lens assembly 26 is provided which on the one hand can have an expansion lens 27, which essentially serves the exiting Light oval (with reference to FIG. 2 out of the plane of the paper) spread open to the widest possible wall area to illuminate, or the distance of several, along a line arranged lighting device 10 to keep each other low. on the other hand may be below the expansion lens 27, a darklight reflector assembly 28, the glare-free ensures, as in the direction of the wall 12 a high dimming takes place.
  • the base 18 of the high voltage halogen lamp 17 is releasably secured to a socket body 29, which in heat-conducting connection with a heat sink 30 stands.
  • the example of die-cast aluminum existing heatsink 30 can over a variety of Cooling fins 31 have. That's how it works even with high-performance high-voltage halogen lamps 17 with powers of 500 watts sufficient cooling to ensure.
  • the high-voltage halogen lamp is 17 arranged such that the longitudinal axis L of the high-voltage halogen lamp 17 in a plane parallel to the second Wall 12 is located. Accordingly, correct drawings would have to in a sectional view according to FIG. 2 a spot reflector 16 show that in the field of illustrated opening 19 throughout (ie without opening) would be formed as well as a high-voltage halogen lamp 17 in a cross-sectional view across her Longitudinal axis L, as shown in Fig. 3.
  • a light source is advantageously a High-voltage halogen lamp 17 of type QT 15, 500 watts, 230 V or QT 22, 500 watts, 230 V used, so that be accessed in a widely used lamp type can.
  • the spot reflector 16 itself can advantageously from several circumferentially adjacent Segments exist.

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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP99119819A 1998-10-12 1999-10-07 Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand Expired - Lifetime EP0994294B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK99119819T DK0994294T3 (da) 1998-10-12 1999-10-07 Belysningsindretning til anbringelse på en förste, et lysudgangsplan definerende væg

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19846726 1998-10-12
DE19846726A DE19846726A1 (de) 1998-10-12 1998-10-12 Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand

Publications (3)

Publication Number Publication Date
EP0994294A2 EP0994294A2 (de) 2000-04-19
EP0994294A3 EP0994294A3 (de) 2003-01-22
EP0994294B1 true EP0994294B1 (de) 2005-06-15

Family

ID=7884038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99119819A Expired - Lifetime EP0994294B1 (de) 1998-10-12 1999-10-07 Beleuchtungsvorrichtung zur Anbringung an einer ersten, eine Lichtaustrittsebene definierenden Wand

Country Status (5)

Country Link
EP (1) EP0994294B1 (es)
AT (1) ATE298065T1 (es)
DE (2) DE19846726A1 (es)
DK (1) DK0994294T3 (es)
ES (1) ES2242339T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216248A1 (de) * 2002-04-12 2003-10-23 Zumtobel Staff Gmbh & Co Kg Einbauleuchte mit Vorsatzreflektor
EP2019255A3 (de) * 2007-07-26 2013-03-20 ERCO GmbH Leuchte zur Ausleuchtung einer Fläche in einem Gebäude
DE202013103270U1 (de) * 2013-07-22 2014-10-23 Zumtobel Lighting Gmbh Leuchte mit einem gekrümmten Prismenstruktur-Element
DE102013021308B4 (de) * 2013-12-19 2017-08-31 Erco Gmbh Leuchte
DE102022102722A1 (de) 2022-02-04 2023-08-10 Erco Gmbh Leuchte zur Ausleuchtung eines Flächenstücks

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179161A (en) * 1938-03-24 1939-11-07 Rambusch Decorating Company Illuminating device
CH345693A (de) * 1956-07-31 1960-04-15 B A G Bronzewarenfabrik Ag Tur Verfahren zur Montage von elektrischen Leuchten in der Decke von Räumen
US3643089A (en) * 1969-07-15 1972-02-15 Century Lighting Inc Lighting fixture for illuminating planar surfaces
DE2926934A1 (de) * 1979-07-04 1981-01-22 Eurolicht Lichtarchitektur Gmb Einbauleuchte
DE3249401A1 (de) * 1982-10-18 1984-10-04 Franz Sill Gmbh, 1000 Berlin Decken-einbauleuchte
AT385343B (de) * 1986-03-14 1988-03-25 Bartenbach Christian Leuchte
DE4006769A1 (de) * 1990-03-03 1991-09-05 Wila Leuchten Gmbh Leuchte fuer kompakt-leuchtstofflampen
EP0750159A3 (de) * 1995-06-22 1997-05-02 Hans J Schmitz Einbauleuchte
JPH09167518A (ja) * 1995-12-14 1997-06-24 Koizumi Sangyo Kk ダウンライト

Also Published As

Publication number Publication date
EP0994294A2 (de) 2000-04-19
ES2242339T3 (es) 2005-11-01
EP0994294A3 (de) 2003-01-22
DK0994294T3 (da) 2005-07-04
DE59912178D1 (de) 2005-07-21
DE19846726A1 (de) 2000-04-20
ATE298065T1 (de) 2005-07-15

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