EP1467139A2 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

Info

Publication number: EP1467139A2
Authority: EP; European Patent Office
Prior art keywords: light; light source; lighting device; reflectors; light guide
Prior art date: 2003-04-07
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

EP04008208A

Other languages

German (de)

English (en)

Other versions

EP1467139B1 (fr

EP1467139A3 (fr

Inventor

Christian Bartenbach

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.)

2003-04-07

Filing date

2004-04-05

Publication date

2004-10-13

2004-04-05 Application filed by Individual filed Critical Individual

2004-10-13 Publication of EP1467139A2 publication Critical patent/EP1467139A2/fr

2007-07-04 Publication of EP1467139A3 publication Critical patent/EP1467139A3/fr

2010-05-12 Application granted granted Critical

2010-05-12 Publication of EP1467139B1 publication Critical patent/EP1467139B1/fr

2024-04-05 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Images

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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
- 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
- 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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- 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
- 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
- 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
- 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 a lighting device with at least one linear and essentially completely arranged within a light guide Light source and at least two at light exit openings of the light guide Arranged reflectors for angular limitation of the light radiation, of arranged between the light source and at least one reflector Light guide device each a part of the light emitted by the light source respective reflector is feasible.
reflectors of lighting devices serve the purpose of Angle limit light emitted light. They are in the most varied Design forms known. There is a direct one with the lighting devices Relationship between the length or height of the reflector and that of the reflector defined blanking angle. So the height of the reflector is greater, the narrower it is Light emitted by the light source is limited, or the smaller the fade-out angle should be trained. For very narrow beam arrangements of light source and reflector Therefore, the state of the art often results in an undesirably large overall height Overall arrangement.
At least on one side of the light source at least two reflectors at different distances from it are provided and the reflectors are arranged in such a way that their main beam direction essentially is aligned perpendicular to the longitudinal extent of the linear light source.
the basic principle here is that the greater the reduction in overall height, the more reflectors are used.
the arrangement of n reflectors makes it possible to reduce the overall height of the lighting device in proportion to 2 / n .
the light guide devices ensure that no light is emitted or lost at undesired angles on the way to the individual reflectors. Small blanking angles can be achieved with the lighting device according to the invention with a low overall height.
the main beam direction indicates the angular range in which the main part of the luminous flux is emitted by the reflectors or by the lighting device.
the main portion advantageously comprises 90% of the total luminous flux emitted by the reflectors or by the lighting device.
the lighting device as a ceiling lamp with a horizontally arranged linear light source, it is then provided, for example, that the main beam direction is essentially perpendicular to the longitudinal direction of the linear light source, that the lighting device radiates essentially upwards and / or downwards. If the light source is aligned vertically, radiation to the side can be provided accordingly, etc.
the light guide devices have at least one Channel with light reflecting surfaces.
the channel can, however, preferably in Share, also be replaced by optical fibers or the like.
Fig. 1 shows a lighting device according to the prior art.
the light source 1 is surrounded directly by two reflectors 2.
the masking angle ⁇ results directly from the shape of the reflectors 2 and their overall height 6 and the position of the light source 1.
the overall height 6 must be chosen the greater the stronger the light emitted spatially concentrated, or the smaller the masking angle ⁇ should be chosen.
the Operating device 5 in which the power supply for the light source 1 and the like is arranged, is usually arranged above the reflectors 2, which is the Total height of the lighting device again by the height of 7 Operating device 5 enlarged.
a lighting device in which the Light from a light source 1 through the light guide 3 to one side of the Light source 1 arranged reflectors 2 guided and from there to achieve a Fade out angle ⁇ is emitted.
the Light from a light source 1 through the light guide 3 to one side of the Light source 1 arranged reflectors 2 guided and from there to achieve a Fade out angle ⁇ is emitted.
the cross section 18 is advantageously in the area directly around the light source 10 1.0 to 1.5 times, preferably 1.25 times that parallel to the cross section 18 Projection of the light source 1.
each reflector 2 its own, channel-shaped, surrounded by the walls 4
Light guide device 3 is provided, these channels being essentially parallel to one another run.
the respective light exit cross-sectional area 13 of the light guide device 3 am
reflector 2 is smaller than the parallel projection of the Cross-sectional area of the light source 1.
the reflectors 2 advantageously have a section 14 curved in the shape of a circular arc and a section 15 curved in a parabolic shape.
the center point of the arcuate section 14 and / or the parabolic focal point of the parabolic curve section 15 are preferably on the lower edge 19 of the light exit cross-sectional area 13.
the main beam direction predetermined by the parabolic curve section 14 preferably coincides with the masking angle ⁇ .
the reflectors 2 are advantageously arranged in each case at a light exit opening 16 of the light-guiding device on its side facing away from the light source 1.
the reflectors 2 and / or the light guide 3 symmetrical are arranged with respect to an axis or plane running through the light source 1. It however, asymmetrical variants are also possible, as shown in FIG. 12. Here is the Light source 1 is surrounded on one side by a back reflector 20.
the variant according to the invention shown in FIG. 3 offers a good compromise Height reduction and luminaire detailing. While in the embodiment 2, 3, 7 and 8, the light source 1 substantially completely within the 4 and 5 show alternative possibilities for this, in which one of two reflectors 2 comprises light exit opening 16 in the area of the Light source 1 or is arranged directly below. This is a minimal Luminaire width achievable with reduced overall height.
the invention Lighting devices can basically be round or oblong have extended shape and various other intermediate forms. Especially with the However, workplace lighting provides an inexpensive variant that the Lighting device is elongated. As linear or elongated light sources 1 can for example fluorescent tubes, preferably with a diameter between 16 mm and 26 mm, halogen lamps or an arrangement of several, linearly arranged Point light sources are used.
longitudinal suppression in the longitudinal direction of the linear light source 1 can be achieved by in the area of the reflectors 2 and / or within the light guide 3 slats 10 or at least one mirror raster optics 9 or prisms 11 are arranged.
Louvre optics 9 are known in the prior art and can be designed in different forms his.
a structurally particularly simple type of longitudinal blanking is provided by Slats 10 arranged directly next to the light source 1 are reached.
the shape of the slats can in turn be chosen according to the prior art.
Favorable shapes are known from lamellae 10 used in mirror raster optics 9. Instead of the slats 10, as shown in FIG.
prisms 11 can also be used for longitudinal blanking become.
the advantages of the arrangement of the slats 10 and the prisms 11 directly next to the Light source 1 and within the light guide device 3 are high Efficiency, since the lamp is reflected in the immediate vicinity of the light source 1 and on the other hand in the fact that with a single row of lamellae 10 or a single prism 11 which extends along the light source 1 and which consists of several Light exit openings 16 light emerging in the longitudinal direction of the linear light source 1 is hidden.
11a and 11b show a plan view of a section of a linear light source 1, such as the slats 10 relative to the light source in the light guide device 3 can be arranged.
the example of beams 17 Longitudinal blanking effect of the mirrored slats 10 is shown.
mirror louvre optics 9 When using mirror louvre optics 9, there must be one at each light exit opening 16 own mirror raster optics 9 can be arranged to have the same longitudinal masking effect to reach.
FIG. 6a and 6b show different detailed configurations of the light guide device 3 in the area of the light source 1.
the involutes 8 shown in FIG. 6a make it possible Reduce retroreflection of light in the lamp as much as possible while at of the particularly simple variant shown in FIG. 6b has a minimal overall height Light guide device 3 results.
the reflectors and / or the wall 4 of the light guide device 3 and / or - if present - the slats 10 or mirror grid optics 9 or Back reflector 20 have surfaces with a light reflectance of greater than 90%. Further improved variants provide degrees of reflection greater than 95% or greater than 98%. Around to achieve these high degrees of reflection of the surfaces of the walls 4, these can for example with the manufacturer's MIRO 2 or MIRO SILVER reflector materials Alanod or be coated with 3M reflector film VM 2000.
the cut-out angle ⁇ is at a light exit opening 16 through the course of the reflector 2 specified.
additional Apertures 12 as shown in Fig. 10a and 10b, can be achieved, these being convenient also have highly reflective surfaces.
the lighting device shown is for Cross-suppression tuned to a fade-out angle of 30 °.
the longitudinal blanking can be achieved by the fins 10, as shown in Fig. 11b.
the specific Embodiment achieved blanking angle of the longitudinal blanking is also 30 °.
the slats 10 have a length 23 of 45 mm and a distance 28 of 35.5 mm on.
the smallest width of the lamella 10 in this example is 1 mm, the largest Width 18.5 mm.
the overall height 25 of the embodiment is 46 mm Overall width 24 320 mm.
the widths 21 are 40 mm.
the lower width 22 of the central diaphragm body 27 has 80 mm.
Different blanking angles can be achieved by the design variants according to the invention ⁇ , but preferably angle ⁇ , between 25 ° and 60 °, in a particularly preferred manner between 30 ° and 45 °, with a significantly reduced overall height compared to the prior art the lighting device. See preferred versions 4 to 6 reflectors in front.
slats or prisms with linear light sources 1 can also have a longitudinal blanking any angular ranges, preferably between 25 ° and 60 °, particularly preferably between 30 ° and 45 ° can be ensured. It also reduces that to the entire width the mean luminance related to the lighting device with increasing Lights width.

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Vehicle Body Suspensions (AREA)
Polarising Elements (AREA)
Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Non-Portable Lighting Devices Or Systems Thereof (AREA)
Seal Device For Vehicle (AREA)
Light Guides In General And Applications Therefor (AREA)
Optical Elements Other Than Lenses (AREA)
Planar Illumination Modules (AREA)

EP04008208A 2003-04-07 2004-04-05 Dispositif d'éclairage Expired - Lifetime EP1467139B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT0053303A AT500432B8 (de)	2003-04-07	2003-04-07	Beleuchtungsvorrichtung
AT5332003		2003-04-07

Publications (3)

Publication Number	Publication Date
EP1467139A2 true EP1467139A2 (fr)	2004-10-13
EP1467139A3 EP1467139A3 (fr)	2007-07-04
EP1467139B1 EP1467139B1 (fr)	2010-05-12

Family

ID=32854887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04008208A Expired - Lifetime EP1467139B1 (fr)	2003-04-07	2004-04-05	Dispositif d'éclairage

Country Status (3)

Country	Link
EP (1)	EP1467139B1 (fr)
AT (2)	AT500432B8 (fr)
DE (1)	DE502004011146D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2010051226A1 (fr)	2008-10-31	2010-05-06	Code 3, Inc.	Appareil d’éclairage à miroirs cylindriques extérieur et intérieur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4422134A (en)	1981-06-22	1983-12-20	Metropolitan Furniture Corp.	Luminaire with improved illumination of a visual task field
US4622624A (en)	1983-06-10	1986-11-11	Electri-Cable Assemblies, Inc.	Under shelf task lighting fixture
DE3600915A1 (de)	1986-01-15	1987-07-16	Metro Sb Handels Ag Baar	Lichtkanaldecke
EP0235652A2 (fr)	1986-02-19	1987-09-09	Daume & Jordan GmbH & Co KG	Armature lumineuse non éblouissante avec écran réflecteur en forme de bande
US4794501A (en)	1985-05-17	1988-12-27	Siemens Aktiengesellschaft	Indirect specular lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2360273A1 (de) *	1973-12-04	1975-06-05	Schaer Luederitz Gmbh Dipl Ing	Einbau- und anbauspiegelleuchte hoher lichtintensitaet
AT381577B (de) *	1983-04-08	1986-11-10	Bartenbach Christian	Blendungsfreie leuchte fuer eine stabfoermige lichtquelle
DE3633440C2 (de) *	1986-10-01	1995-10-05	Bartenbach Christian	Reflektor und Abschirmungssystem für eine Leuchte mit linear ausgedehnter Lichtquelle
DE3826676A1 (de) *	1987-08-13	1989-02-23	Wila Leuchten Gmbh	Leuchte fuer kompakt-leuchtstofflampen
DE3900202A1 (de) *	1989-01-05	1990-07-12	Thorn Licht Gmbh	Mit einer stabfoermigen leuchtstofflampe bestueckte rasterleuchte
DE4336023C2 (de) *	1993-09-30	1998-07-16	Erco Leuchten	Reflektorsystem für eine Leuchte
DE4443916C1 (de) *	1994-12-09	1996-05-09	Zumtobel Licht	Reflektoranordnung für eine Leuchte

2003
- 2003-04-07 AT AT0053303A patent/AT500432B8/de not_active IP Right Cessation
2004
- 2004-04-05 AT AT04008208T patent/ATE467796T1/de active
- 2004-04-05 EP EP04008208A patent/EP1467139B1/fr not_active Expired - Lifetime
- 2004-04-05 DE DE502004011146T patent/DE502004011146D1/de not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4422134A (en)	1981-06-22	1983-12-20	Metropolitan Furniture Corp.	Luminaire with improved illumination of a visual task field
US4622624A (en)	1983-06-10	1986-11-11	Electri-Cable Assemblies, Inc.	Under shelf task lighting fixture
US4794501A (en)	1985-05-17	1988-12-27	Siemens Aktiengesellschaft	Indirect specular lamp
DE3600915A1 (de)	1986-01-15	1987-07-16	Metro Sb Handels Ag Baar	Lichtkanaldecke
EP0235652A2 (fr)	1986-02-19	1987-09-09	Daume & Jordan GmbH & Co KG	Armature lumineuse non éblouissante avec écran réflecteur en forme de bande

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2010051226A1 (fr)	2008-10-31	2010-05-06	Code 3, Inc.	Appareil d’éclairage à miroirs cylindriques extérieur et intérieur
GB2478667A (en) *	2008-10-31	2011-09-14	Code 3 Inc	Light fixture with inner and outer trough reflectors
GB2478667B (en) *	2008-10-31	2013-06-05	Code 3 Inc	Light fixture with inner and outer trough reflectors
US9052083B2 (en)	2008-10-31	2015-06-09	Code 3, Inc.	Light fixture with inner and outer trough reflectors

Also Published As

Publication number	Publication date
DE502004011146D1 (de)	2010-06-24
AT500432A1 (de)	2005-12-15
AT500432B1 (de)	2006-03-15
EP1467139B1 (fr)	2010-05-12
AT500432B8 (de)	2007-02-15
ATE467796T1 (de)	2010-05-15
EP1467139A3 (fr)	2007-07-04

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