EP2492585A2 - Elément d'éclairage, notamment pour un éclairage au sol - Google Patents

Elément d'éclairage, notamment pour un éclairage au sol Download PDF

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Publication number
EP2492585A2
EP2492585A2 EP12001168A EP12001168A EP2492585A2 EP 2492585 A2 EP2492585 A2 EP 2492585A2 EP 12001168 A EP12001168 A EP 12001168A EP 12001168 A EP12001168 A EP 12001168A EP 2492585 A2 EP2492585 A2 EP 2492585A2
Authority
EP
European Patent Office
Prior art keywords
light
emitting diodes
reflector
groups
luminaire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP12001168A
Other languages
German (de)
English (en)
Other versions
EP2492585A3 (fr
Inventor
Peter Zsohàr
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.)
HESS IP GMBH
Original Assignee
Hess Verwaltungs-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 Hess Verwaltungs-GmbH filed Critical Hess Verwaltungs-GmbH
Publication of EP2492585A2 publication Critical patent/EP2492585A2/fr
Publication of EP2492585A3 publication Critical patent/EP2492585A3/fr
Withdrawn legal-status Critical Current

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    • 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
    • F21S8/022—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a floor or like ground surface, e.g. pavement or false floor
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • 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
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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 luminaire insert for use in a luminaire housing, by means of which a surface emanating from the luminaire housing can be illuminated.
  • the task is often to illuminate larger areas, such as house facades or in general "walls" with large external surfaces.
  • emitter-like lighting devices For this purpose, it is known to use, for example, at a greater distance from this surface to be illuminated emitter-like lighting devices.
  • emitters can preferably be placed on the underground facade of the house at a fairly small "horizontal" distance from the house facade.
  • lateral arrangements in the field of, for example, at right angles or obliquely to the house facade extending walls or ceiling arrangements are conceivable in which the distance to the house facade can also be chosen sher low.
  • Recessed floor lights which are embedded in a corresponding distance from the house facade in the underground. Accordingly, the lower end portions of a house facade have a much smaller distance from such lighting devices than the upper end portions. This has the consequence that these closer areas of a house facade with uniformly radiating illumination device be illuminated much more intense than the upper end portions of the house facade.
  • the invention has the object to provide a luminaire insert for a luminaire housing available, in particular for a floor lamp, by means of which a surface emanating from the luminaire housing can be illuminated, wherein a as close as possible arrangement of this lamp to one of the edge regions of the surface to be illuminated should be possible.
  • the object is achieved according to the invention together with the features of the preamble of claim 1, characterized in that at least two each line-shaped arranged groups of light emitting diodes are provided, which are arranged on a common or separate illuminant carriers and that the groups of light emitting diodes opposite a on or multi-part reflector is provided with one or more reflection regions and that the arrangement and / or orientation of the groups of light-emitting diodes and / or the arrangement and / or orientation of the reflector with his or with its reflection region (s) relative to the groups of light emitting diodes such it is selected that the luminous flux emitted by the one group of light-emitting diodes is reflected by the reflector into a predeterminable region of the surface and that the luminous flux emitted by the other group of light-emitting diodes reflects through the reflector into another predeterminable region of the surface is ktiert.
  • the inventive design a luminaire insert for a luminaire housing, in particular a floor lamp, provided by means of which it is particularly possible to uniformly illuminate a house facade or other adjacent, approximately parallel to the emitted luminous flux of the luminaire extending surface. Furthermore, various lighting effects can be achieved by various measures, so that certain areas of the surface to be illuminated appear lightened or darkened.
  • At least two groups of light-emitting diodes arranged in rows are provided.
  • the light emitting diodes of these groups can be arranged alternately side by side or in parallel rows one above the other.
  • the Light emission of these LEDs takes place in the installed state in a direction away from the surface to be illuminated. Accordingly, these LEDs is associated with a reflector opposite, through which the luminous flux emitted by the light emitting diodes "thrown back" on the surface to be illuminated.
  • these groups of light emitting diodes relative to each other and also relative to the reflector are aligned and arranged so that the emitted luminous flux of a group of light-emitting diodes is reflected to a first predetermined area of the surface to be illuminated, said surface
  • the lower portion of a house facade or adjacent wall may be.
  • the second group of light-emitting diodes is arranged and aligned in a different manner such that their emitted luminous flux is reflected by the reflector into another area of the surface to be illuminated.
  • the respective setting with respect to the arrangement and orientation of the groups of light-emitting diodes can be chosen such that the predetermined area adjoin one another or partially overlap the predetermined areas.
  • the reflector may be designed in the manner of a hollow cylinder segment and have different reflection ranges.
  • the reflection areas can be different Have radii of curvature, so that emitted from the individual groups of LEDs in these areas light fluxes are emitted in different sized radiation angles to be illuminated surface.
  • the radiation angle to surfaces at a greater distance to the luminaire insert or to the lamp is smaller and the radiation angle to surfaces at a smaller distance to the luminaire is correspondingly larger, so that the surface areas of the surface to be illuminated are "illuminated" with approximately the same intensity.
  • a uniform illumination of the entire surface can also be used to achieve different lighting effects.
  • the emitted luminous fluxes of the groups of light-emitting diodes can in principle impinge on the entire concave inner surface of the reflector. It can also be provided that these luminous flux impinge in different, adjoining or partially overlapping reflection regions of the reflector. In this case, these reflection regions can have different radii of curvature for achieving different light distribution of the incident luminous fluxes, which radii can merge continuously into one another or which are formed predefined against one another.
  • the groups of light emitting diodes are arranged one above the other line by line and that the light flux emitted by the light emitting diodes of each group emits in each case into one of the reflection regions of the reflector.
  • the lines of light emitting diodes are offset from one another in this way, that the light emission of a group of light-emitting diodes from the reflector or from the respective associated reflector region is radiated into a region of the surface to be illuminated greater distance with a smaller beam angle and the luminous flux of the other group of light emitting diodes in a region of smaller distance to the light with a larger beam angle from the reflector ,
  • the groups of light-emitting diodes are arranged on separate illuminant carriers and that the illuminant carriers are configured with their respective associated groups of light emitting diodes relative to one another and / or relative to the reflector with its reflector regions adjustable.
  • the groups of light-emitting diodes are in particular separately and independently adjustable relative to the reflector, so that different lighting effects on the surface to be illuminated can be achieved.
  • one group of LEDs emits a luminous flux of greater intensity and the other group of LEDs emits a luminous flux with lower luminous intensity and that the luminous flux of greater intensity through the reflector in a region of the surface greater distance from the luminaire insert and the lower intensity luminous flux is reflected by the reflector into an area of the lesser distance from the luminaire insert.
  • the groups of light emitting diodes light streams with different color temperatures and / or having different colors.
  • different lighting effects can be achieved.
  • the uniformity of the illumination of a surface can be influenced.
  • "warm white” emitting light emitting diodes can be used to illuminate the areas with a smaller distance to the luminaire insert, while for illuminating areas with a greater distance to the luminaire insert LEDs are used, which radiate a "cold white” light.
  • the surface areas with a greater distance to the luminaire insert also appear approximately the same brightness or at least as bright as the areas illuminated with "warm white” light .
  • different colors in terms of red, blue, green, etc. also different color effects can be achieved.
  • the different surface areas of the surface to be illuminated may also be spaced apart so that "dark" intermediate areas are created. Also, these areas can seamlessly connect or partially overlap.
  • the groups of LEDs in their luminosity and / or color are controllable in groups and that by appropriate control of the groups of LEDs, the different areas of the surface to be illuminated are evenly or differently illuminated.
  • the reflector is formed with its reflection regions in several parts and that the reflection regions of the reflector relative to each other and / or relative to the groups of light emitting diodes are adjustable.
  • a receiving device to which control signals can be fed by a transmitting device, may be provided, wherein the receiving device effects the luminous intensity and / or color of the groups of light emitting diodes and / or the adjustment of the motor drives in dependence on the incoming control signals.
  • the luminaire insert in particular with regard to its illumination effect, can be variably adapted to desired lighting effects in an extremely simple manner. In particular, with changing requirements, these effects can also be adjusted variably.
  • the luminaire housing receives the luminaire insert with its groups of light emitting diodes and its reflector and forms a light exit window and that the groups of light emitting diodes are arranged in a first edge region of the light exit window and that the reflector in a second, the first Edge region is preferably arranged opposite edge region of the light exit window and that the reflector with his Reflection has a concave curved, the light emitted from the light emitting diode bundling surface.
  • the radii of curvature of the reflection regions of the reflector are different and that the radius of curvature of the reflector region through which the luminous flux of the one group of light-emitting diodes into a region of the surface with less Distance is reflected to the luminaire insert is smaller than the radius of curvature of a reflection region through which the luminous flux of another group of light-emitting diodes is reflected in a region of the surface at a greater distance from the luminaire insert.
  • This embodiment is particularly advantageous for a uniform possible illumination of a surface to be illuminated large height.
  • a light emission window in the area of the group of LEDs covering aperture is provided and that the aperture is preferably formed adjustable.
  • the aperture is preferably formed adjustable.
  • a direct light emission of the light fluxes of the groups of LEDs is avoided by the light exit window of the lamp housing. At least a light emission is limited so far that the viewer is not dazzled by the light-emitting diodes arranged in the luminaire housing.
  • this aperture is adjustable, so that the shading of the groups of light emitting diodes can be adapted to the given lighting task.
  • a floor lamp may also be a lamp, which is freely deployable, on one of the surface to be illuminated adjacent wall or a ceiling mountable.
  • floor lamp 1 shown by way of example comprises a luminaire housing 2, on which a mounting frame 3 is placed.
  • This floor lamp 1 is sunk with its luminaire housing 2 sunk in a ground, in which state a peripheral mounting plate 4 of the mounting frame 3 rests on the ground.
  • a peripheral mounting plate 4 of the mounting frame 3 rests on the ground. It is off Fig. 1 it can be seen that the luminaire housing 2 together with the mounting frame 3 forms a type of light exit window 5 on the upper side.
  • the luminaire housing 2 is used in the illustrated embodiment for receiving a luminaire insert 6, which is arranged within the luminaire housing 2 and in particular "below" the mounting frame 3.
  • the light exit window 5 can be used on the upper side with a glass plate (not shown in the drawing) to protect the lamp insert 6.
  • the luminaire insert 6 extends at least approximately over the entire length of the luminaire housing 2 and has a luminous means carrier 8 arranged below the rear edge region 7 of the light exit window 5.
  • a reflector 9 which in the illustrated embodiment is arranged in the edge region 10 opposite the edge region 10 of the light exit window 5. This reflector 9 also extends approximately over the entire length of the lamp housing 2 and is arranged with its upper edge 11 below the edge region 10 of the light exit window 5.
  • Fig. 2 shows a perspective section II-II Fig. 1 , Out Fig. 2
  • the mounting frame 3 is stationary via circumferential, vertically downwardly directed mounting legs 15 with the side walls 16 of the mounting housing 2 in combination.
  • these side walls 16 at least in the edge regions 7 and 10 of the light exit window 5 horizontally inwardly directed retaining webs 17 and 18 which are provided along its inner edge with vertically upwardly directed support webs 19 and 20.
  • the illuminant carrier 8 is arranged in particular below the "rear" holding web 17 and receives two line-shaped arranged in groups 25 and 26 LEDs.
  • the light source carrier 8 is designed such that the line by line superimposed groups 25 and 26 of light-emitting diodes together find space on this light source carrier 8.
  • the reflector 9 is arranged with its upper edge 11 below the light exit window 5 and approximately in the region of the height of the "front" holding web 18. Starting from its upper edge 11, the reflector 9 extends arcuately to approximately vertically below the two groups 25 and 26 of light-emitting diodes. Accordingly, this reflector 9 ends with its "inner” end edge 27 on an approximately horizontally extending support plate 28 of the lamp insert 6. From this support plate 28 leads at a distance from the end edge 27 of the reflector 9, a vertically upwardly bent support plate 29 to the light source 8, which in the illustrated embodiment integral part of this support plate 29 is.
  • the illuminant carrier 8 is bent in the direction of the arrow 30 by about 30 ° inwardly bent on the support plate 29.
  • the luminaire insert 6 is partially closed in the rear end region by a connecting wall 31, to which the reflector 9 is fixed fixed.
  • a second connecting wall 32 is provided with which the reflector 9 is also fixedly connected.
  • the lamp housing 2 forms a receiving space 33, which serves for example for receiving supply devices for the groups 25 and 26 of the light-emitting diodes.
  • Fig. 3 shows the same section II-II Fig. 1 It can be seen that the lower support plate 28 forms in the illustrated embodiment in approximately horizontal, lateral extension two (or more) mounting portions 34 and 35, which for the fixed mounting of terminals 36th and a control device 37, wherein the control device can also have a power supply unit for supplying energy to the groups 25 and 26 of light-emitting diodes as an integral component.
  • this luminaire insert 6 forms a complete intrinsically stable unit which can be used in correspondingly designed luminaire housing, as exemplified for the luminaire housing 2 of the floor lamp 1 Fig. 1 is shown. It is understood that this lamp insert 6 can be used in the illustrated configuration not only in a floor lamp 1, but also in other, for example, be integrated into a wall or integrable into a ceiling luminaire housing. This is ultimately dependent on the intended use or the conditions of use for corresponding lighting tasks. Furthermore, in
  • FIG. 3 the corresponding reference numerals Fig. 2 entered so that the description too Fig. 2 also on the presentation of the Fig. 3 to read, as far as the same components are shown there.
  • Fig. 4 shows a sectional view of the floor lamp 1 with its lamp housing 2. It can be seen that the lamp housing 2 is box-like and between its side walls 16, the lamp insert 6 receives. This is connected in the present embodiment with its support plate 28 with a bottom plate 38 of the lamp housing 2 via a screw 39. Preferably, several such screw 39 are provided for this connection, which are distributed uniformly over the entire length of the lamp insert 6.
  • Fig. 4 It can be seen that the connection terminals 36 and the control device 37 are accommodated in the receiving space 33 of the luminaire housing 2 next to the reflector 9. On the holding webs 17 and 18, a circumferential sealing element 40 is placed, which is fixed inwardly by the vertically upwardly directed support webs 19 and 20.
  • a glass plate 41 is placed, which is sealed against the lamp housing 2 by the sealing member 40.
  • a fixed mounting plate 42 is provided on the right side of the lamp housing 2, which forms an inwardly directed towards the glass plate 41 mounting flange 43 in the region of its upper end edge.
  • the glass plate 41 engages in the mounted state this mounting flange 43 and is held stationary on the opposite side of the light exit window 5 by an angle plate 44.
  • This angle plate 44 is held by a screw 45 detachable on the lamp housing 2.
  • this screw connection 45 has a threaded bushing 46 projecting upwards at the "rear" holding web 17 on.
  • two such screw 45 are provided, of which in Fi.
  • Fig. 4 It can be seen that the luminaire insert 6 is arranged completely within the luminaire housing 2 and the two groups 25 and 26 of light-emitting diodes are located below the left-hand support web 17 and thus below the light exit window 5. Also, at a setting angle ⁇ of about 30 ° in the direction of arrow 30 bent inward light source 8 can be seen. This is an integral part of the vertically extending support plate 29 and has a predetermined distance from the oppositely arranged reflector 9. Since the two groups 25 and 26 are arranged vertically above one another by light-emitting diodes, the luminous flux emitted by these two groups of light-emitting diodes 25 and 26 is also radiated onto the reflector 9 at different emission angles.
  • the reflector 9 is integrally formed in the illustrated embodiment and has a concave, cylinder-segment-like shape. It can be provided that the radius of curvature of the individual regions of the reflector 9 is formed differently.
  • Fig. 4 for example, for the reflection regions 50 and 51 of the reflector 9 in each case a radius R1 or R2 drawn, wherein the radius R1 is smaller than the radius R2 .
  • R1 or R2 drawn, wherein the radius R1 is smaller than the radius R2 .
  • the reflection region 51 a stronger focusing of the light emitted, for example, by the group of light emitting diodes 25 through the light emission window 5 reached through.
  • the focusing of the reflection region 50 is correspondingly smaller due to the larger radius of curvature R2, so that the luminous flux passing through the light exit window 5 has a larger emission angle.
  • Fig. 5 shows schematically a possible beam path of the light emitted by the two groups 25 and 26 of light emitting diodes.
  • a "light cone" 55 is emitted by the group 25 of light-emitting diodes 55 at an emission angle ⁇ of approximately 47 ° into the upper third of the reflector 9. From the upper third of the reflector 9, this light cone 55 by the in Fig. 5 only schematically illustrated light exit window 5 on a wall surface 56 "back" reflected.
  • the in Fig. 5 schematically illustrated light flux meet the reflected or reflected by the reflector 9 light beams in a focal point 57 which lies at a distance in front of the wall surface 56.
  • the light rays diverge from this luminous flux 58 and subsequently impinge on a wall region 59 of the wall surface 56.
  • the scattering angle ⁇ 1 of the luminous flux 58 caused by the reflection of the reflector 9 is relatively large after passing through the focal point 57 in the embodiment shown, so that the region 59 also has a relatively large height.
  • the luminous flux of the "light cone" 60 emitted by the light emitting diode group 26 leaves the group 26 of the LED at a cone angle ⁇ of approximately 52 ° and impinges on the reflector 9 approximately at the level of its lower two-thirds. From there, this light cone 60 is in turn reflected focusing, its light rays also penetrate a focal point 61, which also lies at a distance in front of the wall surface 56. After passing through the focal point 61, the luminous flux 62 leaves this focal point 61 and hits in an upper, in Fig. 5 only partially recognizable wall portion 63 on the wall surface 56.
  • Fig. 5 can be seen by way of example, lie the two wall portions 59 and 63 vertically above each other and go seamlessly into each other.
  • the distances of the groups 25 and 26 from the reflector 9 and the distances between these groups 25 and 26 of light emitting diodes and also the emission of their light cone 55 and 60 different wall areas of the wall surface 56 can be illuminated here.
  • Fig. 5 which only schematically reproduces the beam path, starting from the two groups 25 and 26 of light-emitting diodes, it can be seen that a wall surface 56 above the light insert 6 can be illuminated extremely uniformly.
  • the regions 59 and 63 may vary.
  • the in Fig. 5 exemplified and adjoining areas 59 and 63 partially cover, so that extremely soft "transitions" are achievable.
  • the light intensities of the groups 25 and 26 of light-emitting diodes could also be different.
  • the group 26 of light emitting diodes emit a "warm white” light, which is less bright. Since the distance of the region 59 to the reflector 9 is considerably smaller than the distance of the region 63 from the reflector 9, a sufficient illumination of the region 59 results despite the lower luminosity of "warm white” LEDs.
  • the luminaire insert 6 Since, in particular, "cool white” light is more strongly reflected by a surface to be illuminated, the observer thus has the impression of a relatively uniform illumination of the entire wall surface 56 in the two wall regions 59 and 63 Fig. 5 It can be seen that the luminaire insert 6 is arranged with its light exit window 5 at a relatively small distance from the wall surface 56. This distance can be only a few centimeters. Despite this relatively unfavorable for lighting relative position of the lamp insert 6 with its light exit window 5 to the wall surface 56, this is due to the special arrangement of groups 25 and 26 of light emitting diodes relative to the reflector 9 sufficiently uniformly illuminated.
  • the groups of light-emitting diodes 25 and 26 can be equipped with "color change light-emitting diodes" which emit different color light currents by appropriate control-for example via the control device 37.
  • the reflector 9 may be formed in several parts, wherein the groups of light emitting diodes 25 and 26 may be provided with different optical lens systems, so that the cone angle of their light cone 55 and 60 may also be more or less large.
  • these light cones 55 and 60 can be designed with respect to their respective cone angle ⁇ or ⁇ such that they only act on a predetermined reflection range of the reflector 9 with a luminous flux.
  • the luminous flux or light cone 55 and 60 do not penetrate each other, as in Fig. 5 is shown by way of example.
  • a reflector 9 is designed in several parts, its individual reflection regions can also be individually adjustable relative to one another and relative to the groups 25 and 26 of light-emitting diodes.
  • a motor position can be provided here, which can also be controlled remotely.
  • the adjustment of the groups 25 and 26 of light-emitting diodes or of further provided groups of light emitting diodes can be motorized and remotely controlled, so that after the installation of such a floor lamp 1, as this in Fig. 1 is shown by way of example, various lighting effects are adjustable in retrospect and remotely controlled.
  • the support plate 28 is formed in two parts and forms an adjustable in the direction of the double arrow 65 bearing portion 66.
  • a vertically upwardly bent support plate 67 is formed, which is connected via a bearing wall 68 with the bearing portion 66 in connection.
  • This bearing wall 68 is in the end portions, corresponding to the connecting walls 31 and 32, as in Fig. 1 can be seen, twice provided on the bearing portion 66 and the support plate 67. Between these bearing walls 68, two light source carriers 70 and 71 are received, on which the two groups 25 and 26 are arranged by light-emitting diodes.
  • the distance between the groups 25 and 26 to the reflector 9 is variably adjustable within certain limits.
  • the light fluxes corresponding to the arrows 72 and 73 or 74 and 75 strike the reflector 9 in different regions.
  • Due to the curved course of the reflector 9 thus different emission directions of the reflector 9 are adjustable, as shown schematically by the arrows 76, 77, 78 and 79.
  • FIG. 7 shows Fig. 7 another adjustment of the two groups 25 and 26 of LEDs.
  • the two illuminant carriers 70 and 71 are received in the bearing wall 68 in vertically extending slots 80 and 81, respectively. Accordingly, the two illuminant carriers 70 and 71 in the direction of the double arrow 82 vertically relative to each other and relative to the reflector 9 adjustable. According to this adjustment, the same effect can be achieved as already Fig. 6 described. Accordingly, the main beam directions by the corresponding arrows 72 to 75, starting from the groups 25 and 26 of the LEDs, in Fig. 7 shown.
  • the emission direction of the reflector 9 is accordingly also adjustable, as shown in FIG Fig. 7 also indicated by the arrows 76 to 79.
  • the embodiment according to Fig. 6 with the embodiment according to Fig. 7 be combined so that the emission directions of the reflector 9 are variably adjustable in a relatively large range.
  • a pivotable mounting of the groups 25 and 26 of light-emitting diodes or their illuminant carriers 70 and 71 can also be provided, as shown by way of example Fig. 8 is removable.
  • the corresponding main beam directions are also shown schematically by the arrows 72 to 75.
  • different main emission directions thus result from such a pivotable mounting or pivoting adjustment of the groups 25 and 26 of light-emitting diodes, as shown in FIG Fig. 8 indicated schematically by the arrows 76 to 79.
  • a plate-shaped aperture 85 may be provided, as shown in FIG Fig. 9 is shown. This can be designed to be adjustable in the direction of the double arrow s 65. By this measure, the groups of light-emitting diodes 25 and 26 "glare-free" are covered, so that in particular an adaptation to each present conditions of use is possible and the in Fig. 1 Floor lamp shown can be used glare-free.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP12001168.9A 2011-02-25 2012-02-22 Elément d'éclairage, notamment pour un éclairage au sol Withdrawn EP2492585A3 (fr)

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Application Number Priority Date Filing Date Title
DE202011003261U DE202011003261U1 (de) 2011-02-25 2011-02-25 Leuchteneinsatz, insbesondere für eine Bodenleuchte

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EP2492585A2 true EP2492585A2 (fr) 2012-08-29
EP2492585A3 EP2492585A3 (fr) 2013-07-31

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DE202014103431U1 (de) * 2014-07-25 2015-10-27 Zumtobel Lighting Gmbh Leuchte
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EP3199870A3 (fr) * 2016-01-27 2017-11-08 ELPRO Lichttechnik GmbH Lampe électrique
CN107781787A (zh) * 2016-08-29 2018-03-09 查克森科技有限公司 照明装置和照明系统
CN108139043A (zh) * 2015-08-20 2018-06-08 斯乔尔基娜·耐大丽阿·奥列格夫娜 产生光输出的方法以及实施该方法的细长的檐口灯
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CN113375087A (zh) * 2021-06-30 2021-09-10 欧普照明股份有限公司 一种防眩光照明灯具
CN114216101A (zh) * 2021-12-30 2022-03-22 欧普照明电器（中山）有限公司 一种灯具

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US20150116980A1 (en) * 2013-10-28 2015-04-30 Dj Auto Components Corp. Illumination system
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DE202014103431U1 (de) * 2014-07-25 2015-10-27 Zumtobel Lighting Gmbh Leuchte
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EP3199870A3 (fr) * 2016-01-27 2017-11-08 ELPRO Lichttechnik GmbH Lampe électrique
CN107781787A (zh) * 2016-08-29 2018-03-09 查克森科技有限公司 照明装置和照明系统
CN107781787B (zh) * 2016-08-29 2020-12-08 查克森科技有限公司 照明装置和照明系统
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EP3699484A1 (fr) 2019-02-21 2020-08-26 Molto Luce GmbH Dispositif d'éclairage d'une pluralité de surfaces délimitées les unes des autres
CN113375087A (zh) * 2021-06-30 2021-09-10 欧普照明股份有限公司 一种防眩光照明灯具
CN114216101A (zh) * 2021-12-30 2022-03-22 欧普照明电器（中山）有限公司 一种灯具

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