EP3607247A1 - Lampe - Google Patents

Lampe

Info

Publication number
EP3607247A1
EP3607247A1 EP18715603.9A EP18715603A EP3607247A1 EP 3607247 A1 EP3607247 A1 EP 3607247A1 EP 18715603 A EP18715603 A EP 18715603A EP 3607247 A1 EP3607247 A1 EP 3607247A1
Authority
EP
European Patent Office
Prior art keywords
light
lamp
collimator
emitting element
diffuser
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
EP18715603.9A
Other languages
German (de)
English (en)
Other versions
EP3607247B1 (fr
Inventor
Thibaut Escourrou
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP3607247A1 publication Critical patent/EP3607247A1/fr
Application granted granted Critical
Publication of EP3607247B1 publication Critical patent/EP3607247B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F21V13/12—Combinations of only three kinds of 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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the 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
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F21V5/005—Refractors for light sources using microoptical elements for redirecting or diffusing light using microprisms
    • 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
    • F21V5/04—Refractors for light sources of lens 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a lamp, in particular a workstation lamp.
  • Luminaires for the illumination of workplaces or offices are known from the prior art. An important requirement of these luminaires is that the glare for a defined observer position is as low as possible.
  • UGR Unified Glare Rating
  • the UGR value is a dimensionless number that says something about the degree of psychological glare of a luminaire in the interior: the lower the UGR value, the UGR reference values, ie in particular UGR values which should preferably not be exceeded, are specified in standards such as DIN EN 12464-1 for various applications, for example, the UGR value for reading or recording Writing applications, classrooms, computer work, etc. should not exceed the value of 19.
  • UGR maximum values for stairs or corridors are given with the values 25 and 28.
  • the aim is therefore the UGR value of a luminaire, ie in particular a task luminaire to minimize glare, while minimizing glare, while ensuring that the workplace is adequately lit.
  • a luminaire ie in particular a task luminaire to minimize glare, while minimizing glare, while ensuring that the workplace is adequately lit.
  • s known in the prior art lights is that they are optimized as possible in terms of their manufacturing and assembly costs. This means, in particular, that these luminaires are as small as possible and designed to be as cost and material optimized as possible, e.g. also to allow easy replacement of various components of the respective lamp.
  • the invention is therefore based on the object to provide a luminaire, which can provide an optimized UGR value, in particular with minimized production and assembly costs.
  • a luminaire comprises: a luminous means, a collimator for substantially directed light emission of the light emitted by the luminous means, a diffuser element (preferably spaced from the collimator) for substantially diffuse light emission of the light emitted by the collimator (preferably of Diffuser element spaced and in particular on the side facing away from the collimator of the Disffusorelements provided) optical element for the defined light output of the light emitted from the diffuser element light, and a clear light emitting element which extends between (the preferably spaced apart) diffuser element and optical element to one with this To limit space especially in side view of the light.
  • a "directed light emission” is preferably understood to mean any kind of bundling of light in order to direct the light beams in a defined direction (s) .
  • the bundling is preferably such that all the light beams are aligned closer to one another and further preferably substantially parallel to one another.
  • a “clear light-emitting element” is preferably understood to mean a light-emitting element through which it is possible to see through it, that is to say that the light-emitting element is preferably glass-like, transparent and preferably also colorless.
  • a “defined light emission” is preferably understood to mean a defined deflection, bundling or widening of light, for example, the bundling of the light can bring about a symmetrical or asymmetrical light emission.
  • (limited) space is to be understood as meaning a (hollow) space which is at least partially surrounded laterally, at least by the designated elements, at least in a side view thereof or the luminaire.
  • the luminaire according to the invention and in particular a sandwich-type luminaire offers a simple means of minimizing glare while at the same time having a low construction volume, ie in particular with respect to dimensions such as the width of the luminaire.
  • a UGR value of less than 19 at at least 1300 lm / m can be achieved, wherein the light distribution of the luminaire can be easily changed by replacing the optical element.
  • the asymmetrical light distribution can be used, inter alia, for using the luminaire as a "wall washer.”
  • the light beams strongly focused by the collimator strike almost parallel
  • a particularly low overall volume of the luminaire can be used simultaneously low glare, ie optimized UGR value.
  • results from the above arrangement ie in particular by the mixing chamber effect of the space according to the invention in a consideration of the lamp from the outside a particularly advantageous depth effect, ie, a 3D effect, the lamp.
  • the interaction of the aforementioned optics achieved a particularly advantageous (optical) efficiency of the lamp, which is greater than 70%.
  • the light-emitting element preferably extends at least partially between the diffuser element and the optical element. This means in particular that each time the lamp is viewed from outside into the room and between the optical element and the diffuser element through the light-emitting element. As a result, the overall volume of the luminaire can be further reduced.
  • the light-emitting element may have at least two preferably opposing side walls in order to define the space with the diffuser element and the optical element.
  • the slightly widened light through the diffuser is thus preferably discharged through the side walls of the light emitting element.
  • the optical element together with the light-emitting element can be substantially U-shaped in a cross-section of the luminaire, with the optical element preferably being substantially perpendicular to the light-emitting element perpendicular to the side walls, is provided.
  • the light-emitting element is preferably formed of a transparent material, particularly preferably of PMMA. Such materials are particularly well suited for the clear design of the light-emitting element and the depth effect of the luminaire caused thereby.
  • the diffuser element is visible through the light-emitting element.
  • the luminaire can in its Dimensions, especially in terms of their width, be further optimized or reduced.
  • the luminaire may further comprise a luminaire cover for emitting light of the light emitted by the optical element.
  • the luminaire cover serves to protect the luminaire, in particular the optical element, the diffuser and the room.
  • the luminaire cover is preferably formed integrally with the light-emitting element. That is, preferably, the light emitting element is made together with the light cover of the same material in the same manufacturing process, preferably in a single manufacturing step. This reduces in particular the assembly and production costs of the lamp, in particular the light-emitting element and the lamp cover.
  • the lamp cover is formed in a cross section of the lamp substantially U-shaped together with the light emitting element.
  • the U-shape in particular at least partially surrounds the optical element and thus forms a particularly compact arrangement therewith.
  • the optical element may be provided substantially parallel and preferably spaced from the lamp cover.
  • the lamp preferably the light-emitting element, particularly preferably the side walls of the light-emitting element, holding elements such. Have projections for holding the optical element.
  • the optical element may be integrally formed, preferably as an injection-molded part, with the light-emitting element.
  • the optical element is preferably a prism element, particularly preferably an asymmetric antiglare prism element (eg an ADP optic) or a microprism optic (MPO), which in each case can be designed in particular as a plate.
  • the prism element is particularly suitable for the desired defined light output of the optical element.
  • the radiation characteristic can be changed particularly well by inserting differently shaped prism elements, ie in particular be changed from a symmetrical to an asymmetrical light output.
  • the microprism optics is particularly suitable for an advantageous glare of the lamp, the asymmetric glare prism element is particularly advantageous for the asymmetric light output.
  • the prism element may have a side having the prisms, the side having the prisms facing away from the diffuser element and being preferably directed toward the luminaire cover. That is, preferably, the prisms are provided on the underside and on the inner side of the lamp cover.
  • the luminaire can have a housing for accommodating the luminous means, the collimator, the diffuser element and the light-emitting element.
  • the housing primarily serves to protect the recorded components of the luminaire, in particular the luminous means, the collimator and the diffuser element.
  • the light-emitting element is connected to the housing via a non-positive and / or positive connection, preferably via a corresponding connection, such as e.g. a snap and / or locking connection, connected.
  • a non-positive and / or positive connection preferably via a corresponding connection, such as e.g. a snap and / or locking connection, connected.
  • the housing may further comprise side walls for defining a space for receiving at least the light source, the collimator and the diffuser element, the side walls preferably retaining elements, in particular non-positive and / or positive retaining elements such. Projections, for holding at least the diffuser element. This allows in particular a particularly simple assembly or a particularly simple replacement of the light source, the collimator and the diffuser element.
  • the housing preferably the side walls of the housing, and the light-emitting element, preferably the side walls of the light-emitting element, may each have free end regions, the free end regions of the housing being connected to the free end regions of the light-emitting element, and preferably the end regions of the light-emitting element each between one the end portions of the housing and the diffuser element are arranged.
  • the light-emitting element on the one hand can be easily absorbed by the housing and on the other hand together with the housing to protect the components accommodated by the housing.
  • the collimator can be designed and arranged to the light source such that a first part of the light emanating from the light source and entering the collimator passes directly to the side of the collimator facing the diffuser, and / or a second part of the light emanating from the light source is first totally reflected in the collimator entering the collimator before the second part reaches the side of the collimator facing the diffuser.
  • a first part of the light emanating from the light source and entering the collimator passes directly to the side of the collimator facing the diffuser, and / or a second part of the light emanating from the light source is first totally reflected in the collimator entering the collimator before the second part reaches the side of the collimator facing the diffuser.
  • the light emitting element and the optical element emitted light components can be varied by the light emitting element and the optical element emitted light components.
  • the collimator preferably a structure formed in the collimator, e.g. a cone, side walls for total reflection of the second part of the light have.
  • the collimator can also have a recess for the entry of the two parts of the light into the collimator, with the illuminant preferably protruding into the recess.
  • the light beams can be mixed particularly advantageously in order to avoid different color effects with regard to the light output.
  • the collimator has a TIR lens.
  • the lighting means may be arranged on a preferably provided in the housing board.
  • the board is also elongated, in particular in one piece or in several pieces, is formed.
  • an elongated embodiment of the lamp can thus be achieved together with the elongated board a particularly compact design.
  • the illuminant preferably has an LED.
  • the collimator, the diffuser element, the optical element and / or the light-emitting element can each be formed in one piece and / or several pieces.
  • One-piece is to be understood in particular such that the aforementioned elements each as a single element for several, preferably all, bulbs
  • multi-part is to be understood in particular in such a way that the aforementioned elements are provided separately for each luminous means.
  • FIG. 9a a fourth embodiment of the luminaire according to the invention in a perspective view
  • FIG. 9b shows the luminaire shown in FIG. 9a in a further perspective view
  • FIG. 10a shows a first exemplary illumination effect of the invention
  • FIG. 10c shows a third exemplary illumination effect of the invention
  • Luminaire with an asymmetric anti-dazzle prism element as optical element Luminaire with an asymmetric anti-dazzle prism element as optical element
  • Luminaire with an asymmetric anti-dazzle prism element as optical element Luminaire with an asymmetric anti-dazzle prism element as optical element
  • FIG. 11a shows a fifth embodiment of the luminaire according to the invention.
  • FIG. 11b luminance of the embodiment shown in FIG. 11a only with collimator
  • FIG. 11c light distribution of the embodiment shown in Figure 11a
  • Figure 12a shows a sixth embodiment of the lamp according to the invention.
  • FIG. 12b Luminance of the embodiment shown in FIG. 12a only with collimator
  • FIG. 12c light distribution of the embodiment shown in FIG. 12a
  • FIGS 1 to I2d show different embodiments of a lamp 1 according to the present invention.
  • the following description refers to all embodiments, wherein the distinguishing features are highlighted accordingly. The same features are therefore provided below with the same reference numerals.
  • the lamp l is particularly suitable for workplaces (in offices, etc.). However, the lamp l is in principle suitable for any applications such as art museums, which place high demands on the lighting, in particular with respect to glare or UGR values. Usually, the lamp l is mounted on ceilings in order to radiate downwards, ie in particular away from the ceiling.
  • the luminaire 1 has one or preferably a plurality of luminous means 2 for emitting light or light rays.
  • the luminous means 2 is preferably provided on a circuit board 2a, which supplies the luminous means 2 with electrical power or energy.
  • the light output of the luminous means 2 is preferably carried out in a main light emission direction, which particularly preferably substantially perpendicular to the mounting position of the luminous means 2, i. e.g. perpendicular to a flat side of the board 2a, stands.
  • a "main light emission direction” is understood in particular to mean an axis such as, for example, an axis of symmetry of a light cone generated by the luminous means 2.
  • the luminous means 2 comprises an LED.
  • the luminaire 1 also has a collimator 5.
  • the collimator 5 is provided for substantially directed light emission of the light emitted by the luminous means 2. Seen in the direction of the light output of the luminous means 2, the collimator 5 is preferably arranged in front of the luminous means 2, in particular directly in front of it.
  • the collimator 5 has a TIR ("totally internal reflection") lens and, in addition, so-called narrow beam (NB) lenses can be used as the collimator 5.
  • TIR totally internal reflection
  • NB narrow beam
  • the luminaire 1 also has a diffuser element 9 for substantially diffuse light emission of the light emitted by the collimator 5.
  • the diffuser element 9 seen from the light source 2 is preferably provided behind the collimator 5 and more preferably at a distance from the collimator 5.
  • the collimator 5 therefore focuses or directs the light emitted by the luminous means 2 and emits it preferably via a diffuser element 9 directed toward the diffuser element 9 in particular in the direction of the diffuser element 9 for the diffuser element 9.
  • the light collimated by the collimator 5 is preferably refracted.
  • substantially all of the light directed by the collimator 5 is incident on the Diffuser element 9, preferably on a directed to the collimator 5 and in particular flat trained side of the diffuser element. 9
  • the diffuse, i. in particular non-directional, light emission of the diffuser element 9 can be effected by the configuration of the diffuser element 9 by the diffuser element 9, for. Has scattering structures (scattering particles, etc.).
  • the diffuser element 9 can be extruded, i. in particular be made of an extruded material. Due to the diffuse light output of the diffuser element 9, therefore, the light is preferably widened for a larger solid angle range.
  • the light emitted by the diffuser element 9 is emitted substantially uniformly distributed over the entire surface of the diffuser element 9. This can be effected in particular by the design and arrangement of the collimator 5.
  • the diffuser element 9 preferably has a thickness of 3 mm.
  • the lamp 1 as shown by way of example in particular in FIGS. 1 to 7, 8b and 8c, has an optical element 13 for the defined light emission of the light emitted by the diffuser element 9.
  • the optical element 13 is seen from the light source 2 preferably provided behind the diffuser element 9 and more preferably spaced from the diffuser element 9.
  • the diffuser element 9 can have a preferably flat-shaped side, through which the light leaves the diffuser element 9, which is directed towards the optical element 13.
  • the majority of the light emitted by the diffuser element 9 reaches the optical element 13. More preferably, the amount of light reaching the optical element 13 is less than the amount of light reaching the diffuser element 9. As shown by way of example in FIGS.
  • the optical element 13 is a prism element, in particular a prism plate.
  • the prism element preferably has a prism-having sides, which faces away from the diffuser element 9.
  • the prisms are preferably provided in the form of a grid, in particular in the form of a multicellular and multi-column grid (eg at least a 10 ⁇ 10 grid) on that side. It can also be provided that instead of the prisms, other three-dimensional structures which are suitable for a defined light emission are used.
  • the optical element 13 is an asymmetric anti-glare prism element (eg an ADP optic).
  • the luminaire 1 also has a clear light-emitting element 10, which extends between the diffuser element 9 and the optical element 13 in order to delimit a space R with them.
  • the light-emitting element 10 can thereby extend at least partially between the diffuser element 9 and the optical element 13. That is, seen from the light source 2, the clear light emitting element 10 is preferably arranged behind the diffuser element 9 and at least partially in front of the optical element 13.
  • the light-emitting element 10 has at least two preferably opposite side walls 11, 12.
  • the side walls 11, 12 then define together with the diffuser element 9 and the optical element 13 the space R.
  • the light-emitting element 10, in particular its side walls 11, 12, together with the optical element 13 seen in a cross section of the lamp 2 may be formed substantially U-shaped or V-shaped.
  • the optical element 13 may be arranged substantially perpendicular to the side walls 11, 12 of the light-emitting element 10.
  • the space R is preferably designed essentially as a cuboid.
  • the space R may also have another three-dimensional shape, such as e.g. a shape which is trapezoidal in cross section.
  • the light-emitting element 10 ie in particular its side walls 11, 12, is clearly designed, in particular such that it can be seen through the light-emitting element 10.
  • the light-emitting element 10 is thus preferably made transparent and colorless.
  • the diffuser element 9 is visible through the light emission element 13 when viewed from outside, ie, for example, in a view according to FIGS. 1, 4 or 9 b.
  • a material for the light-emitting element is in principle any transparent and preferably colorless material, such as PMMA.
  • the collimator 5 can be designed and arranged for the light source 2 such that two parts of the light Li, L2 that emanate from the light source 2 are inserted into the particular manner with respect to the diffuser element 9, the optical element 13 and / or the light emission element 10 Enter collimator 5 and exit from this:
  • the collimator 5 can be configured and arranged relative to the light source 2 such that a first part L2 of the light emerging from the light source 2 and entering the collimator 5 goes directly to the diffuser 9 8, and that a second part Li of the light emanating from the light source 2 and entering the collimator 5 is first totally reflected in the collimator 5, before the second part Li is directed to the side 8 of the collimator facing the diffuser 9 5 arrives.
  • the first part L2 of the light beams passes through the collimator 5 in a central region, the second part Li passing through the collimator 5 laterally from this central region.
  • L2 reaches a part, in particular the majority, of the light emitted from the diffuser element 9 light to the optical element 13, wherein the other part of the light emitted from the diffuser element 9 light to the light emitting element 10, in particular to its side walls 11, 12, arrived.
  • the abovementioned parts of the light emitted by the diffuser element 9 in turn then pass through the light-emitting element 10, in particular its side walls 11, 12, or the optical element 13, in order thus to bring about the desired optical effect of the luminaire 1.
  • the collimator 5 is designed and arranged relative to the luminous means 2 such that (almost) exclusively the second part Li of the light emanating from the luminous means 2 in the aforementioned manner the collimator 5 passes totally reflecting.
  • the optical effect of the luminaire 1, in particular with regard to the solid angle range of the luminaire 1, can be varied.
  • the collimator 5 is configured and arranged relative to the light source 2 such that (almost) exclusively the first part L 2 of the light emanating from the light source 2 in the light source aforementioned manner, ie without total reflection in the collimator 5, the collimator 5 passes.
  • the optical effect of the luminaire 1, in particular with regard to the solid angle range of the luminaire 1, can likewise be varied.
  • the collimator 5 may have a structure 6 which is preferably integrally formed in the collimator 5 and which has side walls for total reflection of the second part Li of the light.
  • This structure may e.g. a cone, in particular a blunt cone, whose lateral surface forms the side walls.
  • the collimator may have a recess 7, in particular a light entry opening, such as e.g. a bore, for the entry of the two parts Li, L2 of the light in the collimator 5 have.
  • the recess 7 is seen in a cross-section preferably centrally in the collimator 5 is provided.
  • the recess 7 is formed such that the second part Li of the light enters the collimator 5 via the jacket surface of the recess 7, the first part L2 of the light entering the collimator 5 via the bottom of the recess 7.
  • the bottom of the recess 7 may have a convex and / or protruding into the recess 7 with a tip shape.
  • the light-emitting means 2 is preferably provided directly under the recess 7.
  • the light source 2 can protrude into the recess 7.
  • the lighting means 2 may also be spaced from the recess 7.
  • the lamp 1 further comprises a lamp cover 14.
  • the light cover 14 is shown for example in Figures 1 to 7, 8b, 8c and 9a to iod.
  • the light cover 14 is preferably provided for the light output of the light emitted by the optical element 13 light, but also provides a protection of the lamp, in particular of the optical element 13. Is the optical element
  • the prism having side to the lamp cover 14 is directed towards.
  • the optical element 13 can preferably be seen through the luminaire cover 14.
  • the light cover 14 may be formed as the light emitting element 10, i. the light cover 14 may be particularly clear.
  • the light cover 14 may in particular be formed integrally with the light-emitting element 10. Seen in cross-section of the luminaire 1, i. e.g. seen in the drawing plane in Figure 2, the lamp cover 14 preferably has a substantially U- or V-shape together with the light emitting element 10.
  • the luminaire cover 14, together with the light-emitting element 10 and the optical element 13 seen in the cross-section of the lamp 1 form an essentially A-shape.
  • the optical element 13 may be provided substantially parallel and preferably spaced from or in contact with the luminaire cover 14.
  • the luminaire 1, preferably the light-emitting element 10, particularly preferably the side walls 11, 12 of the light-emitting element 10, can have holding elements and / or fastening elements for holding the optical element 13. As shown in FIG. 7, this may be e.g. a positive retaining element in the form of formed in the side walls 11, 12 projections 11a, 12a may be provided. Preferably, the projections 11a, 12a form together with the lamp cover
  • the optical element 13 is formed integrally and preferably as an injection-molded part with the light-emitting element 10 and / or the lamp cover 14. In this case, holding and / or fastening elements for the optical element 13 can be omitted.
  • the luminaire 1 preferably has a housing 15 for receiving the luminous means 2, the collimator 5, the diffuser element 9, which particularly preferably terminates the housing 15, and the light-emitting element 10.
  • the housing 15, which may in particular have a box-shaped form, preferably has side walls 16, 17 for Limiting a space, in particular a mounting space, for receiving at least the light-emitting means 2, the collimator 5 and the diffuser element 9.
  • the side walls 16, 17 preferably extend away from a bottom portion 18 to more preferably form a U-profile of the housing 15.
  • the side walls 16, 17 may be reflective.
  • a preferred embodiment for receiving, i. for holding and preferably fastening, the diffuser element 9 is shown in Figures 3 to 5, in which provided in the side walls 16, 17 holding elements 16a and 17a hold the diffuser element 9.
  • the holding elements 16a, 17a are preferably recesses into which projections provided on the diffuser element 9, in particular protuberances provided on the edge region of the diffuser element 9, protrude and are preferably in non-positive and / or positive connection.
  • the connection between the diffuser element 9 and the housing 15 can also be provided such that the diffuser element 9 snaps into the housing 15.
  • the light-emitting element 10 may be connected to the housing 15 preferably via a non-positive and / or positive connection, in particular such that the housing 15 does not obscure the light-emitting element 10.
  • a corresponding compound such as e.g. a snap and / or snap connection is suitable for this connection.
  • the collimator 5 preferably extends between the side walls 16, 17 of the housing 15 and is held by these preferably by means of fastening means.
  • the fastening means may in particular have non-positive and / or positive fastening means.
  • the collimator 5 can also have arms 5a and 5b extending away from the collimator 5, such as side walls, which are respectively provided between the housing 15 and the illuminant 2, preferably between the housing 15 and the circuit board 2a and preferably in contact with these.
  • the housing 10 preferably its side walls 16, 17, and the light-emitting element 10, preferably its side walls 11, 12, free end portions 11b, 12b and 16b, 17b have.
  • the free end regions 11b, 12b of the light-emitting element 10 can be connected to the free end regions 16b, 17b of the housing 15.
  • the end regions 11b, 12b of the light-emitting element 10 are each arranged between one of the end regions 16b, 17b of the housing 15 and the diffuser element 9.
  • the end portions nb, 12b of the light-emitting element 10 respectively surround one of the end portions 16b, 17b of the housing 15.
  • the free end portions 16b, 17b of the housing 15 are gripped on the inside, ie in the housing 15.
  • the light cover 10 is connected to the housing 15 such that the light emitting element 10, in particular its side walls 11, 12, flush with the housing 15, in particular with its side walls 16, 17, closes.
  • the luminous means 2 can be connected to the housing 15 via fastening means.
  • the luminous means 2, and preferably its circuit board 2a may e.g. via a mounting rail 4, which may be formed in cross-section, for example, U-shaped, with the housing 15, in particular with the bottom portion 18 of the housing 15 may be connected.
  • the mounting rail 4 may be formed such that the lamp 2 and preferably the board 2a can be pushed onto the mounting rail 4.
  • lamp 2 or board 2a and mounting rail 4 can also be provided with a mounting rail 4 intermediate element 3 for receiving the light source 2 and the board 2a.
  • the mounting rail 4 can in turn be connected to the housing 15, in particular with its bottom portion 18, via fastening means.
  • the lamp 1 may in principle have any shape, wherein preferably the width of the lamp 1, in particular the width of the optical element 13, 40 mm and the height of the light emitting element is 15 mm.
  • the space R described above is limited at least in the longitudinal direction of the lamp 1. That is, the space R may be elongate, with its end portions may be formed open or closed, respectively.
  • the diffuser element 9, the optical element 13 and / or the clear light-emitting element 10 may be elongate, with preferably the longitudinal axes of the collimator 5, the diffuser element 9, the optical element 13 and / or of the light-emitting element 10 are arranged substantially parallel to one another and particularly preferably in the same plane. This results in a particularly compact lamp 1.
  • one or more light sources 2 can be provided, with multiple light sources. 2 these are preferably arranged in the longitudinal direction, particularly preferably on an elongate board 2a.

Landscapes

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

Abstract

La présente invention concerne une lampe (1), en particulier une lampe de travail, comprenant un moyen lumineux (2), un collimateur (5) destiné à délivrer de manière sensiblement dirigée de la lumière émise par le moyen lumineux (2), un élément diffuseur (9) destiné à émettre de manière sensiblement diffuse de la lumière émise par le collimateur (5), un élément optique (13) destiné à délivrer de manière définie de la lumière émise par l'élément diffuseur (9) et un élément émetteur de lumière clair (10) s'étendant entre l'élément diffuseur (9) et l'élément optique (13) pour limiter avec ce dernier un espace (R).
EP18715603.9A 2017-04-05 2018-03-28 Lampe Active EP3607247B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017102009.6U DE202017102009U1 (de) 2017-04-05 2017-04-05 Leuchte
PCT/EP2018/057970 WO2018184951A1 (fr) 2017-04-05 2018-03-28 Lampe

Publications (2)

Publication Number Publication Date
EP3607247A1 true EP3607247A1 (fr) 2020-02-12
EP3607247B1 EP3607247B1 (fr) 2021-08-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18715603.9A Active EP3607247B1 (fr) 2017-04-05 2018-03-28 Lampe

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Country Link
EP (1) EP3607247B1 (fr)
AT (1) AT17249U1 (fr)
DE (1) DE202017102009U1 (fr)
WO (1) WO2018184951A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019106804U1 (de) * 2019-12-06 2021-03-09 Zumtobel Lighting Gmbh Optisches System zum Beeinflussen der Lichtabgabe einer länglichen Lichtquelle
DE102020111374A1 (de) 2020-04-27 2021-10-28 Trilux Gmbh & Co. Kg Optisches System für eine Leuchte zur vorgegebenen Ausleuchtung einer Arbeitsfläche
US11428398B1 (en) * 2021-06-21 2022-08-30 Troy-CSL Lighting Inc. Adjustable lighting device with further optic
DE102021212614B4 (de) * 2021-11-09 2023-11-16 Ridi Leuchten Gmbh Optik für eine Leuchte und Leuchte mit Optik

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007828A1 (fr) * 1999-07-21 2001-02-01 Teledyne Lighting And Display Products, Inc. Appareil d'eclairage
CA2554863C (fr) * 2004-01-28 2012-07-10 Tir Systems Ltd. Luminaire directement visible
IT1391091B1 (it) * 2008-07-15 2011-11-18 Fraen Corp Srl Dispositivo di illuminazione a fascio luminoso regolabile, in particolare per una torcia elettrica
DE102009034841B4 (de) * 2009-07-27 2020-11-26 Emz-Hanauer Gmbh & Co. Kgaa Lichtabgabeeinrichtung für eine Trommel eines Haushaltsgeräts
WO2012027851A1 (fr) * 2010-09-02 2012-03-08 Optotune Ag Source d'éclairage à divergence variable
GB2492541B (en) * 2011-03-31 2014-06-11 Fusion Optix Inc Method for developing and manufacturing optical elements and assemblies
JP2014089941A (ja) * 2012-10-03 2014-05-15 Koito Mfg Co Ltd 車両用灯具
EP2924333A1 (fr) * 2014-03-27 2015-09-30 Belux IP AG Luminaire modulaire

Also Published As

Publication number Publication date
EP3607247B1 (fr) 2021-08-11
AT17249U1 (de) 2021-10-15
WO2018184951A1 (fr) 2018-10-11
DE202017102009U1 (de) 2018-07-09

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