WO2011107479A1 - Luminaire présentant des éléments de directivité de la lumière - Google Patents

Luminaire présentant des éléments de directivité de la lumière Download PDF

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Publication number
WO2011107479A1
WO2011107479A1 PCT/EP2011/053037 EP2011053037W WO2011107479A1 WO 2011107479 A1 WO2011107479 A1 WO 2011107479A1 EP 2011053037 W EP2011053037 W EP 2011053037W WO 2011107479 A1 WO2011107479 A1 WO 2011107479A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
lamp
refractive element
elements
longitudinal axes
Prior art date
Application number
PCT/EP2011/053037
Other languages
German (de)
English (en)
Inventor
Andreas Hierzer
Original Assignee
Andreas Hierzer
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 Andreas Hierzer filed Critical Andreas Hierzer
Publication of WO2011107479A1 publication Critical patent/WO2011107479A1/fr

Links

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
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors

Definitions

  • the invention relates to a luminaire with at least one luminous means and with at least one flat refractive element which is provided at a distance from the at least one luminous means, wherein the at least one luminous means is each small area, preferably substantially punctiform and on at least one surface of a refractive element
  • Light alignment elements are arranged, each having an optical axis, wherein the longitudinal axes of the perpendicular to the surface deviating angles occupy.
  • LED light-emitting diodes
  • a luminaire with a luminaire cover for a single light-emitting diode is designed as a three-dimensional lens structure with numerous projections.
  • the differently shaped projections which act like lenses and may have the shape of cones, cylinders, hemispheres or combinations thereof, and caused by the different thicknesses of the individual projections different color effects are generated.
  • certain shadow effects such as flower-shaped shadows, can be achieved with such a luminaire cover.
  • a disadvantage of this design is that the shape of the elaborately designed, three-dimensional lens complex exclusively on the use of a single LED is tuned.
  • the low power per LED compared to conventional incandescent lamps therefore prevents bright room lighting when using a single such lamp.
  • a glare-free lighting of a living space can not be achieved with such a luminaire type thus.
  • Document AU 749304B shows an LED lamp which is to be used, for example, for traffic signal lamps or illuminated overhead direction signs in road traffic.
  • the light as a refractive element on several juxtaposed lenses, which increase the range of the individual LEDs and thus allow the use of light-emitting diodes for signal lights outdoors.
  • a glare-free lighting is not possible with a lamp of this type.
  • LED luminaires in interiors, their light color and color rendering properties also have to be considered in order to achieve a comfortable and at the same time aesthetic interior lighting. Often, the emitted LED light is perceived as cold and uncomfortable.
  • a lamp which is equipped with a plurality of light-emitting diodes in a housing, wherein a certain number of light-emitting only emit white light, the remaining part of light emitting diodes different colored light.
  • the housing in which the different light emitting diodes are arranged on a support base is limited to an interior to be illuminated - here, for example, to the interior of a vehicle - by a perforated cover.
  • This perforated cover consists of several layers: on the side facing the light emitting diodes inside there is a translucent diffusion layer, subsequently forming the outer shell and a so-called light transmission layer is provided.
  • This light-transmitting layer is made of, for example, a light-transmitting resin, and has punctiform convex lenses to match the underlying hole-shaped recesses in the diffusion layer.
  • the lamp can emit both bright, white LED light, which brightly illuminates the interior of the vehicle, for example, during the boarding and disembarking of passengers, as well as diffuse, colored light, alternatively that creates atmospheric effects while driving.
  • a disadvantage of this design is the complex, multi-layered structure of the perforated, translucent cover and the required alternating operation: either bright, white LED light is emitted to a sufficient level of illumination in the interior to find or moody and effective, colored light emitted, but with the disadvantage of too low illuminance for normal or difficult visual tasks.
  • a simultaneous combination of the two settings is not possible.
  • WO 01/78049 A2 further discloses a display object in which two mutually associated, transparent bodies are arranged to be movable relative to one another. At least one of the two transparent bodies has a patterned surface. A light source, which is located inside the object of the show, shines through the two transparent bodies. Due to the translational or rotating relative movement of the two bodies, which is effected for example by an eccentric drive, as well as the patterned surface of at least one of the two bodies, a stimulating eye-catching effect is created with such a show object and strong optical sensory stimuli are used, for example, to promote exhibited goods , mediated.
  • the pattern of the transparent surfaces have a refractive relief, which is designed, for example, as a grid-like pattern or strip-shaped.
  • a glare-free lighting should not be achieved with this object, nor is such a suitable.
  • Luminaires with small-area, preferably point-shaped bulbs with high luminous efficacy, which provide a harmonious brightness distribution and can produce atmospheric lighting effects, at the same time with such a lamp a glare-free illumination is achieved with an asymmetric light distribution curve, are not yet known, but are increasingly in demand.
  • a luminaire according to the invention with at least one luminous means and with at least one flat refractive element, which is at a distance from the at least one light source is provided, wherein the at least one light source is small area, preferably substantially point-shaped and arranged on at least one surface of a refractive element Lichtaussessetti, each having an optical axis, the longitudinal axes of the light alignment elements from the perpendicular to the Surface different angles occupy and each lie the intersections of two longitudinal axes of light alignment elements on a common escape line.
  • UGR unified glare rating
  • CIE International Lighting Commission
  • UGR procedure leads to similar dazzling assessments as the previously used, standardized procedures. Since the UGR method, in contrast to the previous DIN method (Söllner curves) without contradiction also allows the glare prediction for a defined observer position with the help of a computer, it has good options for the future of lighting planning.
  • the dimensionless numerical value UGR corresponds to a glare judgment of the observer. Typical UGR values are between 10 and 30, with the sensation of glare increasing linearly with the UGR value. To ensure glare-free lighting for very demanding visual tasks, the UGR value must be less than 19. To determine the UGR value, it is necessary to know the dimensions of the room, the reflectance of the ceiling, walls and floor, and, where appropriate, the luminous fluxes of the luminaires planned.
  • the optical longitudinal axes of the light-aligning elements particularly suitably occupy different angles to the surface of a refractive element, at least in groups.
  • contemporary lights are designed, which radiate glare-free light, for example, at its light exit side or its light exit sides in addition to a main radiation direction in the lateral direction or asymmetrically in different directions.
  • an asymmetrical light distribution curve is achieved in this embodiment of a lamp according to the invention.
  • a floor lamp which is equipped with such a refractive element, the advantages of providing a glare-free reading light in the main radiation direction, and on the other hand by the light alignment elements a space sections in other directions, for example laterally or in a direction opposite to the main radiation direction , is illuminated.
  • special lighting effects are achieved in a living room in the functional use with a lamp according to the invention and it is not only the reading area illuminated below the floor lamp.
  • all intersections of longitudinal axes of the light-aligning elements form a common vanishing point.
  • This embodiment is particularly suitable for a round, for example, circular or elliptical design of such a lamp.
  • All light-aligning elements of a refractive element are arranged so that their longitudinal axes coincide in a common point of intersection, their vanishing point.
  • the light alignment elements are arranged geometrically particularly regularly, it is thus achieved a particularly uniform glare for the most difficult visual tasks.
  • the optical axes of the light-aligning elements are arranged parallel to each other.
  • a directed main radiation direction of the illumination is achieved with the lamp.
  • museum exhibits or exhibition showcases with glare-free light can be illuminated particularly uniformly with such a luminaire.
  • the light-aligning elements are arranged side by side on the refractive element.
  • the bulbs in the interior of the lamp are thus no longer individually distinguishable to the viewer from the outside through the refractive element. Due to the directly adjoining light-aligning elements of the refractive element a particularly uniform, glare-free light effect is achieved.
  • the light-aligning elements each have a conical geometry. It is essential that the conical light alignment elements each have an optical longitudinal axis with a corresponding orientation, wherein the longitudinal axis in each case leads through the tip of a conical light alignment element.
  • the light-aligning elements according to the invention have a dome-shaped, prismatic or pyramidal geometry. Furthermore, it is also conceivable that the light alignment elements are arranged in groups or sections, each in different geometry on a refractive element.
  • the light-aligning elements are each arranged on an outer side of a refractive element.
  • the structured with light alignment elements side of the refractive element facing away from the light sources.
  • the plurality of lamps are each designed as light-emitting diodes (LED).
  • LED light-emitting diodes
  • Such a luminaire is therefore suitable for all illuminance levels recommended in the home and thus for a wide variety of visual tasks.
  • the use of light-emitting diodes always achieves a glare-free and effective illumination which is pleasant for the viewer. Drop shadows, as they may interfere with individual, spaced light emitting diodes without using a refractive element with light-aligning elements are completely suppressed in the inventive design.
  • a plurality of luminous means are arranged in a line with each other in a line.
  • the plurality of lighting means are arranged in a plane in each case in a line-shaped manner along two or more parallel aligned straight lines.
  • the plurality of luminous means may be advantageous to arrange along two or more straight lines which are aligned parallel to one another and which are located in different planes.
  • a plurality of lighting means are arranged in a plane in concentric circles.
  • the at least one refractive element with light alignment elements rotatably connected to the lamp housing.
  • This embodiment can be used by way of example for the effective and glare-free illumination of exhibition objects.
  • the refractive element made of a translucent material, preferably made of a plastic, procure.
  • a highly transparent plastic with high light efficiency may also be slightly colored, in order to further enhance the desired glare-free effect.
  • FIG. 1 shows a schematic representation in an oblique view of a first embodiment of a lamp according to the invention in an exploded view with a remote refractive element.
  • Fig. 2 represents the lamp shown in Fig. 1 in the assembled state, for example, as a pendant light.
  • FIG. 3 shows in a sectional view another embodiment of a lamp according to the invention with a rotatably mounted on a housing refractive element.
  • FIG. 4 shows in a schematic oblique view details of an arrangement of the point-shaped illuminants in relation to a refractive element according to the invention.
  • FIG. 5 shows a schematic oblique view in detail an inventive arrangement of the light-aligning elements.
  • FIG. 1 shows a schematic representation in an oblique view of a variant of a lamp 1 according to the invention, with a circular, planar base plate 2, on the front side 3 parallel to each other and each spaced from each other a plurality of elongated blanks 4 are attached.
  • the lamp 1 is suitable, for example, for ceiling mounting as built-in, surface or suspended luminaire.
  • the individual boards 4 each carry up to five point-shaped light sources 5, which are designed in FIG. 1 as light-emitting diodes (LED) 6.
  • the light-emitting diodes 6 in this case have a diameter 7.
  • the base plate 2 is enclosed by a luminaire housing 8 with a circular radial cross section.
  • a refractive element 10 is provided at a distance 9 from the front side 3 of the base plate 2 away, which is provided on its surface 11, which faces away from the bulbs 5 as the outer side 12 of the lamp 1, with Lichtausiquess instituten 13.
  • the light-directing elements 13 lead to the glare-free light effects according to the invention.
  • the luminaire 1 emits glare-free light with an asymmetrical light distribution curve.
  • the refractive element 10 is shown with the light-aligning elements 13 in exploded view in Fig. 1.
  • the refractive element 10 is attached to the front of the lamp housing 8 and thus closes the interior of the lamp
  • the refractive element 10 On its surface 11 or on the side 12 in the assembled state, the refractive element 10 is provided with a plurality of light-aligning elements 13, which project from the surface 11 to the outside.
  • the microstructured elevations 14 are embodied in FIG. 1 as cones 15, the individual cones 15, 15 ', 15 "each having optical longitudinal axes 16, 16' or 16" which, in the embodiment shown here, each have the same angle 17, 17.1 or 17.2 with respect to the surface 11 of the refractive element 10.
  • the angle 17, 17.1 or 17.2 differs in each case by a same differential angle from the perpendicular to the surface 11 from.
  • the cones 15 are shown in Fig. 1 for the sake of clarity slightly enlarged.
  • the invention comprises the design of a luminaire 1, in which the angles 17, 17.1 and 17.2 are each the same from the perpendicular to the surface
  • luminaires are encompassed by the invention, in each of which intersections of two longitudinal axes 16, 16 'and 16 "of light-aligning elements 13 lie on a common escape line or form a common vanishing point. These embodiments of the invention are not shown in Fig. 1.
  • Fig. 1 details of fastening devices for mounting and of terminals for the preparation of the electrical contacts are not shown.
  • the usually required for the operation of a lamp electronic components such as resistors or switches are also not shown in the figures for the sake of clarity.
  • Fig. 2 shows a lamp housing 8 of a fiction, contemporary lamp 1, as shown in Fig. 1, including a refractive element 10 which is fixed to the front of the lamp housing 8.
  • the refractive element 10 is provided with light-aligning elements 13, which consist of numerous, small-scale or microstructured elevations 14 in each case in the form of cones 15.
  • the cones 15 in Fig. 2 are shown for the sake of clarity slightly enlarged.
  • the longitudinal axes 16 ', 16 "of the individual cones 15', 15" are arranged here in each case under the same from the perpendicular to the surface 11 of the refractive element 10 deviating angle 17.
  • the lamp 1 shown which is attached as a pendant lamp in a known manner by means of a centrally arranged on the back of the base plate 2 mounting line to a wall hook on a ceiling of a living room, an asymmetric light distribution curve is achieved.
  • the power supply takes place for example along the attachment line.
  • FIG. 3 shows a schematic sectional view of the basic structure of a further variant of a luminaire according to the invention with a light-refracting element 10 rotatably mounted on a limiting housing 8.
  • the refractive element 10 is again provided with a plurality of microstructured light-aligning elements 13 and is in the direction of arrow 21 rotatably supported relative to the housing 8.
  • a base plate 2 is arranged, are fixed to the interior 22 directed outside parallel to each other several boards 4 for receiving point-shaped bulbs 5, which in turn are designed as LEDs 6.
  • the rotatable refractive element 10 which is provided with light alignment elements 13 in each case in the form of cones 15, a particularly glare-free lighting, for example, an exhibit is possible with this embodiment of a fiction, contemporary lamp.
  • the refractive element 10 can be easily adjusted by turning in the direction of arrow 21 on site to further reduce any occurring light reflections, for example, on a lit exhibition subject on or completely avoided.
  • FIG. 4 shows, in an oblique view, a section of a luminaire according to the invention with a refractive element 10 and a detail of a base plate 2.
  • a refractive element 10 In one Distance 9 of the refractive element 10 are point-shaped illuminants 5, for example light-emitting diodes 6 with a diameter 7, arranged.
  • the surface 11 of the refractive element 10 is provided with numerous light-aligning elements 13, the elevations 14 each having a conical shape 15. It is essential that the individual cones 15 ', 15 "and 15'” respectively have longitudinal axes 16 ', 16 "and 16"', which in turn each at a different angle 17 ', 17 "and 17”' to the surface 11 of the refractive element 10 are inclined.
  • the respective optical longitudinal axes 16 ', 16 "and 16'" intersect in a common vanishing point 19.
  • Other design variants of a refractive element 10, for example with light alignment elements 13, each with pyramidal or prismatic elevations 14, are conceivable, but are not shown here individually. It is essential that a glare-free illumination with an asymmetrical light distribution curve can be achieved with a luminaire according to the invention.
  • a section of a refractive element 10 'with light-aligning elements 13 is shown in a schematic oblique view, in which a plurality of elevations 14 are each again arranged as cones 15.
  • the longitudinal axes 16 ', 16 "and 16'" of the cones 15 ', 15 “and 15”' are again under a different angle 17 ', 17 "and 17"' on the surface 11 of the refractive element 10 ' and intersect at a common vanishing point 19.
  • This embodiment of a refractive element 10 ' is particularly suitable for the design of a round luminaire 1 with a particularly uniform, glare-free light emission.
  • Fig. 6 shows a schematic side view of a further embodiment variant of a refractive element 10 "with light alignment elements 13, wherein a plurality of adjacent elevations 14, which are designed as a cone 15, each having optical longitudinal axes 16, which in groups or in sections in a common The individual intersections 18 lie in each case on a common escape line 20.
  • This embodiment of a refractive element 10 is particularly suitable for the design of a long, narrow lamp with a particularly uniform, glare-free radiation.
  • a luminaire provided with such a refractive element 10 also ensures an asymmetrical light distribution curve.
  • the light-aligning elements can be designed in addition to the cone-shaped geometry shown, for example, about dome-shaped, prismatic or pyramidal. Also, mixed arrays of partially differently shaped light aligning elements, each having optical axes and arranged on the surface of a refractive element, are included in the invention. These variants are not shown in the figures. List of item numbers:

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un luminaire (1) présentant plusieurs éléments lumineux (5) et au moins un élément réfringent plat (10) qui est prévu à distance (9) des éléments lumineux (5), lesdits éléments lumineux (5) étant de petite surface, de préférence sensiblement ponctuels, et sur au moins une surface (11) d'un élément réfringent (10) sont disposés des éléments de directivité de la lumière (13) qui présentent chacun un axe optique longitudinal (16). Les axes longitudinaux (16) des éléments de directivité de la lumière (13) forment un angle (17) de l'élément réfringent (10) s'écartant de la verticale sur la surface (11), les points d'intersection respectifs (18) de deux axes longitudinaux (16) des éléments de directivité de la lumière (13) se situant sur une ligne de fuite commune (20).
PCT/EP2011/053037 2010-03-01 2011-03-01 Luminaire présentant des éléments de directivité de la lumière WO2011107479A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA311/2010A AT509563B1 (de) 2010-03-01 2010-03-01 Leuchte mit lichtausrichtungselementen
ATA311/2010 2010-03-01

Publications (1)

Publication Number Publication Date
WO2011107479A1 true WO2011107479A1 (fr) 2011-09-09

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PCT/EP2011/053037 WO2011107479A1 (fr) 2010-03-01 2011-03-01 Luminaire présentant des éléments de directivité de la lumière

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AT (1) AT509563B1 (fr)
WO (1) WO2011107479A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2647904A1 (fr) * 2012-04-05 2013-10-09 Siteco Beleuchtungstechnik GmbH Plaque prismatique dotée d'angles de flanc variables
DE102012008342A1 (de) * 2012-04-13 2013-10-17 ZETT HELLUX GmbH Leuchte
EP2647905A3 (fr) * 2012-04-05 2014-03-19 Siteco Beleuchtungstechnik GmbH Plaque prismatique dotée d'angles de flanc variables

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DE3706498A1 (de) * 1987-02-27 1988-09-08 Siemens Ag Installationseinrichtung mit infrarotsender
WO1995025244A1 (fr) * 1994-03-16 1995-09-21 Itab Industri Ab Dispositif d'eclairage
WO2001078049A2 (fr) 2000-04-07 2001-10-18 Thomas Haagen Objet a exposer
WO2002006723A1 (fr) * 2000-07-14 2002-01-24 Sirona Dental Systems Gmbh Lampe pour traitement dentaire
WO2002023258A2 (fr) 2000-09-14 2002-03-21 3M Innovative Properties Company Feuilles optiques concues pour etaler la lumiere
AU749304B2 (en) 2000-05-23 2002-06-20 Ahead Optoelectronics, Inc. LED illuminated lamp assembly
US20080316740A1 (en) 2007-06-22 2008-12-25 Yuichi Okawa Interior Lamp
US20090014737A1 (en) 2007-07-10 2009-01-15 Everlight Electronics Co., Ltd. Light-emitting diodes lamp lens structure
WO2009103458A2 (fr) * 2008-02-19 2009-08-27 Miele & Cie. Kg Appareil réfrigérant à dispositif d'éclairage placé à l'extérieur de l'espace de réfrigération

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US7364341B2 (en) * 1999-02-23 2008-04-29 Solid State Opto Limited Light redirecting films including non-interlockable optical elements
DE102005027799B4 (de) * 2005-06-16 2007-09-27 Saint-Gobain Glass Deutschland Gmbh Verfahren zum Herstellen einer transparenten Scheibe mit einer Oberflächenstruktur und Vorrichtung zum Durchführen des Verfahrens
JP2007157622A (ja) * 2005-12-08 2007-06-21 Rosso:Kk 照明装置
US7736019B2 (en) * 2006-10-10 2010-06-15 Yanchers Corporation Lighting system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706498A1 (de) * 1987-02-27 1988-09-08 Siemens Ag Installationseinrichtung mit infrarotsender
WO1995025244A1 (fr) * 1994-03-16 1995-09-21 Itab Industri Ab Dispositif d'eclairage
WO2001078049A2 (fr) 2000-04-07 2001-10-18 Thomas Haagen Objet a exposer
AU749304B2 (en) 2000-05-23 2002-06-20 Ahead Optoelectronics, Inc. LED illuminated lamp assembly
WO2002006723A1 (fr) * 2000-07-14 2002-01-24 Sirona Dental Systems Gmbh Lampe pour traitement dentaire
WO2002023258A2 (fr) 2000-09-14 2002-03-21 3M Innovative Properties Company Feuilles optiques concues pour etaler la lumiere
US20080316740A1 (en) 2007-06-22 2008-12-25 Yuichi Okawa Interior Lamp
US20090014737A1 (en) 2007-07-10 2009-01-15 Everlight Electronics Co., Ltd. Light-emitting diodes lamp lens structure
WO2009103458A2 (fr) * 2008-02-19 2009-08-27 Miele & Cie. Kg Appareil réfrigérant à dispositif d'éclairage placé à l'extérieur de l'espace de réfrigération

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2647904A1 (fr) * 2012-04-05 2013-10-09 Siteco Beleuchtungstechnik GmbH Plaque prismatique dotée d'angles de flanc variables
EP2647905A3 (fr) * 2012-04-05 2014-03-19 Siteco Beleuchtungstechnik GmbH Plaque prismatique dotée d'angles de flanc variables
DE102012008342A1 (de) * 2012-04-13 2013-10-17 ZETT HELLUX GmbH Leuchte
DE102012008342B4 (de) 2012-04-13 2019-09-05 Lunux Gmbh Leuchte

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AT509563B1 (de) 2015-10-15
AT509563A1 (de) 2011-09-15

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