EP2757312B1 - Système d'éclairage pour intérieur - Google Patents

Système d'éclairage pour intérieur Download PDF

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Publication number
EP2757312B1
EP2757312B1 EP14151204.6A EP14151204A EP2757312B1 EP 2757312 B1 EP2757312 B1 EP 2757312B1 EP 14151204 A EP14151204 A EP 14151204A EP 2757312 B1 EP2757312 B1 EP 2757312B1
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EP
European Patent Office
Prior art keywords
light source
light
room
source groups
lighting
Prior art date
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Application number
EP14151204.6A
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German (de)
English (en)
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EP2757312A1 (fr
Inventor
Horst Rudolph
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Trilux GmbH and Co KG
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Trilux GmbH and Co KG
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Publication of EP2757312A1 publication Critical patent/EP2757312A1/fr
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Classifications

    • 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
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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 lighting device for illuminating a room and for providing planar, space-radiating elements radiating light into the room according to the preamble of claim 1.
  • Conventional lighting devices are designed for the purpose of enabling a good and effortless viewing in the room. Conventional lighting devices have been further developed for this purpose. Accordingly, lighting devices are currently available which provide high light intensity and which, for example, ensure concentrated, glare-free illumination of a region or scattered uniform illumination of a room.
  • lighting devices with light sources which emit light with different colors of light into the room, for example warm white and cold white light.
  • the term "light color” refers to the distribution of the intensity over the wavelength of the emitted light.
  • the light color can be selected, with which the lighting device emits light into the room, so that a person can support their biological sleep-wake rhythm by appropriate choice of light color.
  • luminaires are known which can illuminate small partial areas on the ceiling or the room wall with a different light color, so that white or colored accents on the ceiling or the room walls are generated, whereby the well-being of people in the room can be increased.
  • appropriately designed lighting devices are only limitedly adapted to the biological needs of people. For both the change of a light color, with which the room is illuminated, and small, color accentuated areas on the ceiling or the room wall are unsuitable for a discreet room lighting and are perceived by people in the room as so intense that thereby not the desired Support the biological sleep-wake-rhythm is realizable but the people in the room feel the illumination generated by the lighting device as an additional external influence.
  • the ceiling elements are realized by illuminating a partly transparent light ceiling with LEDs of different light color.
  • the LEDs are arranged in light source groups, wherein all LEDs that are assigned to a light source group emit light with the same light color, and wherein the light source groups differ in their light color from each other and are separately switchable and / or dimmable.
  • the light source groups of the illumination device include optical means defining the illumination range of the light source groups in which the light source groups can emit light.
  • optical means is ensured, for example, by the board on which the LEDs of the light source groups are arranged, or by a pick-up device in which the LEDs are arranged, so that the illumination area of a light source group is limited to a first half-space.
  • the illumination area of all the light source groups is located in the same half-space in which the partially transparent light ceiling is arranged, which is illuminated by the light source groups.
  • a corresponding illumination device comprises a control unit with which the LEDs are controlled in light source groups.
  • the control unit is designed to switch on and off a part of the LED light source groups and / or to dim. In this case, different areas of the partially transparent light ceiling be illuminated with different colors of light.
  • the LED light source groups are dynamically switchable and / or dimmable by the control unit, wherein the control unit is preprogrammed, so that the partially transparent light ceiling can be dynamically illuminated by the LEDs.
  • the dynamic lighting refers to the fact that the partially transparent light ceiling can be illuminated at different times in different areas with different light colors.
  • the lighting of the room then takes place via the emission of light from the light ceiling into the room, so that the ceiling itself, which is represented by the light ceiling, dynamically emits light into the room.
  • Such a lighting device has the advantage that the lighting of the room is dynamically changeable, so that the biological needs of people in the room can be particularly well taken into account.
  • the installation of such a lighting device is costly and complicated, and can not be installed in all rooms. For example, a sufficient room height is required for the installation of such a lighting device, since the installation of a backlit illuminated ceiling requires a corresponding space.
  • such a lighting device provides only an insufficient variety of colors and radiation possibilities of lighting over the illumination range of the lighting device as a whole, so that the requirements regarding a discreet and varied variable lighting to increase the well-being of people in a lighted room by such lighting device insufficiently taken into account becomes.
  • a well-known, generic lighting device is in WO 2011/131200 A1 disclosed.
  • This illumination device comprises a first light source group with light sources which for irradiating passive planar room delimitation elements from the room to provide planar, in the room radiating room boundary elements for indirect illumination of the room are formed.
  • this illumination device has a further light source group with further light sources, wherein these further light sources are arranged between the light sources of the first light source group such that regions between these light sources of the first light source group are diffusely illuminated.
  • the publication DE 200 04 356 U1 describes a lighting device with different light source groups, each of the different light source groups having light sources that emit light of a certain color, wherein the colors of the different light source groups differ from each other.
  • the light source groups are independently switched on and off and / or dimmable.
  • DE 10 2006 045 745 A1 describes a lighting device with different light sources, wherein the light sources each emit light with a different light color and at the same time ensure a direct and indirect lighting of a room.
  • DE 10 2005 027 262 A1 describes a lighting device with light sources that emit light with a different light color, the light sources of different light color are independently controlled.
  • WO 2008/002073 A1 describes a lighting device with light sources that emit light in a different light color, light sources of different light color are independently controllable.
  • the invention has for its object to provide a lighting device in which the disadvantages of conventional lighting devices are at least partially resolved.
  • the invention proposes a lighting device with the features of claim 1.
  • the illumination device is characterized in that at least two of the light source groups have an illumination region which is in each case completely in a same first half-space, wherein the device for indirect illumination of the room can be arranged in a room such that the passive planar room boundary elements in the first half-space and the two light source groups irradiate the passive planar room boundary elements for indirect illumination of the room, wherein the illumination area of a first of the two light source groups overlaps at least partially with the illumination area of a second of the two light source groups in the first half space and the device for indirect illumination of the room with a the light colors of one of the two light source groups or a mixture of the light colors of the two light sources is formed, wherein at least some of the light sources of at least one of the light source groups independently are switchable or dimmable from each other, wherein the control unit is adapted to control the switching and / or dimming of these light sources independently of each other.
  • the illumination device according to the invention further comprises at least one light source group whose illumination area lies in a second half-space which lies completely outside the first half-space.
  • the illumination device according to the invention on the one hand, can ensure indirect illumination of the room via the light source groups whose illumination area lies in the first half room and, on the other hand, direct illumination of the room via the light source group, which lies outside the first half room.
  • the lighting device according to the invention is particularly simple and inexpensive to produce and implement. Because the lighting device can be made completely outside the room and then mounted in the room.
  • a lighting device according to the invention can be realized in the form of a suspended luminaire or in the form of a floor lamp.
  • a lighting device according to the invention for example, be realized by a plurality of suspended or floor lamps or by a combination of several suspended and floor lamps.
  • the lighting device according to the invention makes it possible to illuminate a room by emitting surface-emitting light into the room
  • Room limiting elements are provided so that a discreet lighting of the room is ensured with an unobtrusive promotion of the sleep-wake rhythm of the people in the room.
  • the device according to the invention ensures that passive planar space-limiting elements are irradiated by the light sources of the light source groups of the illumination device, so that indirect illumination of the space is ensured.
  • Indirect lighting refers to the fact that light from the light sources is not emitted directly into the room, but rather to a passive planar room delimitation element, from which the light is then at least partially scattered back into the room.
  • a passive space-limiting element is characterized by the fact that it can not actively emit light, but can only re-emit light with which it was previously irradiated.
  • the lighting device according to the invention can be arranged, for example, in a room such that its light sources irradiate the ceiling completely or only in partial areas, so that the illuminated ceiling emits light into the room.
  • the lighting device according to the invention can also irradiate other room boundary elements in an arrangement in the room, so that they have light-emitting area elements, for example, room walls or the room floor can represent the corresponding space boundary.
  • the lighting device according to the invention can be arranged in a room so that at least some of their light sources do not radiate directly into the room but indirectly illuminate the room by irradiation of planar space boundary elements.
  • the illumination device according to the invention has at least two light source groups with light sources whose Illumination area is located in a first half-space.
  • the illumination area of the light source groups denotes the solid angle into which the light source groups can emit light when the light sources are switched on.
  • the illumination area of a light source group is determined by an optical means.
  • the illumination range may be predetermined, for example, by the socket of the light sources of the light source group or by an optical boundary provided on at least one side of the light sources, wherein the optical boundary may be formed, for example, as a mirror with a high reflectance or as other opaque means.
  • the illumination region can be predetermined, for example, by mirrors or other optical limitations, which are arranged circumferentially around light sources of a light source group or circumferentially around an entire light source group or circumferentially around a family of light sources in the light source group. Accordingly, an arrangement of lenses via light sources, light source groups or a family of light sources of a light source group is possible.
  • the optical means of the light source groups are designed so that they at least largely avoid radiation of the light source groups outside the first half-space.
  • the illumination region of a first light source group overlaps at least partially with the illumination region of a second light source group in the first half-space.
  • the illumination areas of light source groups may intersect, the illumination area of which is in each case located completely in the first half space.
  • illumination areas of light source groups in the first half space may overlap, which also extend outside the first half space Half space extend.
  • the illumination device can be arranged in a room in such a way that at least one planar space boundary lies in the first half-space.
  • the two-dimensional space limitation can thus be irradiated by the light sources of the light source groups whose illumination area lies in the first half-space, in order to provide planar, space-limiting elements which radiate light into the room.
  • the space boundary can thus be illuminated with the light color of the first light source group and / or the light color of the second light source group, at least in the areas in which the illumination areas of the two light source groups overlap .
  • the lighting device according to the invention can change between the two light colors of the light source groups and beyond the mixture of light colors of the light source groups in the illumination of a room boundary by switching on and off the light source groups in the region of the space boundary in which overlap the illumination areas of the two light source groups ,
  • dimming at least one of the light source groups mixed colors with a different proportion of the light color of the first or the second light source group can be realized.
  • a plurality of light source groups may be provided, for example, three or four light source groups whose illumination area overlaps at least partially in the first half-space. Depending on how many and which illumination areas of light source groups overlap, a wide range of light colors can be realized in the overlapping areas. It is also possible that at least one of the light source groups completely covers the first half-space with its illumination area.
  • the lighting device according to the invention thus enables the cost-effective and simple realization of a dynamic indirect lighting of rooms.
  • a room ceiling may possibly be illuminated by an illumination device according to the invention such that an artificial, changeable sky is reproduced on the ceiling.
  • the illuminated ceiling conveys a part of the light intensity, which is emitted by the illumination device to her, back into the room. Due to the dynamic change of the light intensities and light colors at least in partial areas of the room ceiling, a very good adaptation of the lighting of the room via the corresponding light-emitting planar room boundary elements can be ensured.
  • control unit of the illumination device is designed to control the switching and / or dimming of light sources independently of one another, at least within one of the light source groups. This makes it possible to set the light color of the light source group differently in different illumination areas. As a result, for example, different light colors of different light source groups or different mixed colors of light source groups can be realized in different illumination areas.
  • At least some of the light sources of at least one of the light source groups can be switched and / or dimmed independently of one another, wherein, in particular, all the light sources of the light source group can be switched and / or dimmed independently of one another.
  • a particularly diversifiable illumination of a room boundary can be made possible. This allows a particularly well-adjustable lighting of a room and thus a particularly good adaptation of the lighting to the biological needs of the people in the room.
  • an artificial sky can be created in the room, which ensures backlighting to increase the well-being of the persons in the room
  • the at least one light source group, whose illumination area lies in the second half room the entire room or even a sub-area in the room can illuminate particularly well, for example, to produce a particularly high light intensity in the room or sub-area.
  • half-space must only be interpreted geometrically in some embodiments.
  • the restriction of the illumination range of a light source group to a half space can also be related to the essential illumination direction or the essential illumination area of the light source group.
  • half-space can be realized by light source groups whose illumination area is located in a correspondingly interpreted half-space, at the same time lighting a ceiling and room walls.
  • the hemisphere encompasses not only an exactly geometrically determined half-space, but also the edge area of the second geometric half-space adjoining the exactly determined geometric half-space.
  • the distinction between light source groups whose illumination area is in the first half space and light source groups whose illumination area is in the second half space can then also be distinguished analogously in that the light source groups whose illumination area lies in the first half space are substantially exclusively the illumination serve the space limitations, while the light source group, the illumination area is located in the second half space, are essentially the direct illumination of the room and / or an object in the room to provide a high light intensity there.
  • At least one of the light source groups radiating into the second half space is assigned an optical device which is arranged relative to the light sources of this light source group such that a glare-free and / or focused emission characteristic of the light source group is ensured.
  • This can For example, be advantageous if a working area is to be particularly illuminated by this light source group, which radiates into the second half-space.
  • a high light intensity in the working area can be made possible by a glare-free and bundled emission characteristic of such a light source group and, at the same time, glare can be avoided by a person working in the work area.
  • the selection of a corresponding optical device is within the scope of expert action. Those skilled in such optical devices, for example in the form of lens systems, well known.
  • At least one of the light source groups whose illumination area lies in the first half space comprises a plurality of light sources and an optical system, wherein the optical system is arranged at least at one of the light sources and illuminates the illuminating area which can be illuminated by this light source onto a light cone with a defined opening angle and determined deterministic orientation, wherein the opening angle comprises only a portion of the first half-space.
  • the beam does not necessarily have to have a round base but may also have the shape of a polygon, for example, a quadrilateral, for example, with rounded corners.
  • the optical system can be designed, for example, such that individual elements of the optical system are arranged on individual light sources in order to define the light cone of this light source.
  • the optical system may also include elements disposed on a family of light sources such that the array of light sources collectively emit light in a predetermined beam of light.
  • the optical system can also be arranged on a light source group as a whole, so that the illumination area of the entire light source group on a corresponding light cone is set.
  • the optical means of a light source group comprises the optical system.
  • the determination of light cones into which light sources of one of the light source groups emit light makes it possible to illuminate predetermined subregions in a predetermined shape on a room delimiting element.
  • the first half-space can be divided into arbitrarily large, possibly also differing in size and shape sections, each corresponding to a cone of light in which at least one light source of at least one light source group emits light.
  • the light cones of light sources of the respective light source groups may, for example, overlap or be juxtaposed or congruent, i. H. overlap congruently.
  • a space limitation with very different lighting scenarios can be illuminated by the illumination device according to the invention. This allows a particularly good adaptation of the room lighting to the particular biological needs of the people in the room.
  • any dimming of the light source group can produce any desired mixed color from the light colors of the light source groups.
  • moving illuminations of room delimiting elements can be realized, for example a moving cloud sky can be simulated on a ceiling.
  • At least one of the light source groups can be formed in this way be that the light cones of a group of light sources of the light source group continuously cover a common illumination area. This ensures that no unexposed areas can arise between the light cones. Accordingly, undesired dark spots on a space boundary that is illuminated by the illumination device can be avoided.
  • the continuous cover can be realized by a corresponding arrangement of the optical system and design of the light source group.
  • a group of light sources can be spatially grouped and a lens or optical boundary can be arranged on this group.
  • the expert can easily choose from his expertise.
  • a family of light sources may include, for example, all the light sources of a light source group or only a plurality of light sources of a light source group. Through a multitude of light sources one illumination area is covered continuously. In this illumination area, there are thus no unilluminated subareas. However, it is possible to intentionally provide non-illuminated partial regions between different sets of light sources of a light source group.
  • At least one of the light source groups is formed such that the light cones of the light sources of the light source group overlap at least in their edge regions.
  • the light cones of the light sources not only directly adjoin one another, but overlap, so that on the one hand unilluminated subregions can be avoided very reliably and on the other hand a higher irradiation intensity can be realized in the overlap region than in the areas that are covered only by a cone of light.
  • a pleasant lighting effect can be achieved by the correspondingly illuminated room boundary elements.
  • the light cone emitted in front of it is within the illumination range of another of the light source groups.
  • a color accent can be set in an illumination region of a light source group by the light cone of another light source group.
  • the light cones of a plurality of light sources of a light source group can lie in the illumination area of another light source group, or for multiple light cones of light sources of different light source groups to lie in the illumination area of a light source group.
  • the light cone of a light source of a light source group can lie in an illumination area which is covered simultaneously by two different light source groups.
  • the lighting device can be designed in this regard, depending on the desired, to be achieved lighting result. Accordingly, different dynamic lighting profiles can be realized with different color accents.
  • the light cone of one of the light sources of one of the light source groups may be congruent with the light cone of one of the light sources of at least one of the other light source groups.
  • different light colors can be realized when switching on and off the corresponding light sources, with corresponding mixed colors can be realized with additional dimming of the light sources.
  • several or all beams of Be light sources of a light source group each congruent to a beam of another light source group.
  • At least two light source groups can cover the same illumination area continuously. This makes it possible to vary the light color emitted by the illumination device into this illumination region between the light colors of the light source groups and, in particular, when dimming the light sources of the light source groups, between mixed colors of the light colors of the light source groups.
  • the illumination area covered by a light source group refers to the illumination area that a light source group can potentially illuminate when the light sources are switched on.
  • At least one light source group covers only a part of the illumination area of at least one of the other light source groups.
  • the light color of this light source group can be admixed with the light colors of the other light source groups in the emission area.
  • control unit of the illumination device can be designed to control the switching and / or dimming of all light source groups independently of one another.
  • the control unit may be designed to programmably control the dynamic switching and / or dimming of the light source groups and the light sources.
  • the programming may be preset in the manufacture of the lighting device, but it may also be provided that the user of the lighting device can program the control for dynamic switching and / or dimming itself according to his own needs.
  • Dynamic switching and / or dimming refers to time-varying switching and / or dimming.
  • the controller may be programmed, for example, so that the switching and / or dimming over a certain time range, for example, an hour or a day preset dynamically.
  • the invention further relates to the use of a lighting device according to the invention for the dynamic indirect lighting of a room. Moreover, the invention relates to the use of a lighting device according to the invention for the simultaneous realization of a dynamic indirect lighting and direct lighting.
  • the corresponding use of a lighting device according to the invention in a room can allow a particularly well adapted to the biological needs lighting of the room and a particularly good illumination of the room for a good vision.
  • a lighting device 1 which is arranged in a space 100.
  • the lighting device 1 comprises two pendant lights 2, which are attached to the ceiling 3.
  • the two pendant lights 2 are identical.
  • the illumination device can also comprise a plurality of suspended luminaires 2 and / or floor lamps, wherein the luminaires, which are encompassed by a lighting device 1, can also differ from one another.
  • the suspended luminaires 2 On its upper side facing the ceiling 3, the suspended luminaires 2 have light sources that illuminate the ceiling 3 during operation of the lighting device 1.
  • the light sources of the suspended luminaires 2 are each assigned to light source groups, wherein all the light sources of a light source group emit light in the same light color and the light source groups differ in their light color.
  • the lighting device 1 has two light source groups with different light color, each of the suspended lights being light sources of both light source groups includes.
  • Fig. 1 are radiating directions 4 of light sources of the first light source group with the first light color shown schematically as a solid arrow.
  • the emission directions 5 of light sources of the second light source group with the second light color are shown schematically as a dashed arrow.
  • the light source groups of the illumination device 1 each comprise an optical system which fixes the illumination range of each of its light sources to a respective light cone. It should be noted that in Fig.
  • the emission direction 4 of a light source of the first light source group is in each case parallel to the emission direction 5 of one of the light sources of the second light source group.
  • the present embodiment of a lighting device 1 is formed so that the light cones of the light sources, the emission directions 4, 5 are parallel to each other, are congruent to each other.
  • the light cones of these two light sources cover the same subregion of the ceiling 3.
  • two such light sources namely, a light source of the first light source group and a light source of the second light source group whose light cones are congruent with each other are referred to as a light source pair.
  • the Abstrahlraumen 4, 5 of the light sources of a light source pair are not only parallel to each other, but coincide, whereas the emission directions 4, 5 of such a light source pair in Fig. 1 are shown with a parallel offset.
  • the illustration shown is to be interpreted purely schematically and serves only to visualize the emission directions 4, 5 of the light source pair. Contrary to the parallel offset of the emission directions 4, 5 shown in the figure for the sake of clarity of illustration, therefore, the emission directions 4, 5 of a light source pair actually coincide in the exemplary embodiment described for the illumination device 1.
  • the present embodiment of a lighting device 1 comprises a control unit for pre-programmable dynamic switching and dimming of the light source groups and their light sources.
  • the control unit is designed to control the switching and dimming of all light sources independently of each other. Due to the fact that the switching and dimming of the light sources of the illumination device 1 can be done dynamically by the control unit, dynamic light profiles on the ceiling 3 can be realized by dynamically overlaying the mixed colors generated in the respective partial areas by the respective light source pairs be changed away.
  • the light color of the first light source group is cool white
  • the light color of the second light source group is blue.
  • the lighting device 1 irradiates the passive ceiling 3, so that the light color distribution is realized according to the control of the lighting device 1 on the passive ceiling 3, wherein the Room ceiling 3 due to the illumination by the lighting device 1 has flat, radiating into the room ceiling elements.
  • additional light source groups of the illumination device 1 can be provided.
  • a third light source group is possible whose light sources emit light with neutral white light color.
  • This light source group may include, for example, an optical system defining a light cone of the light sources which opens so widely that the light sources of the third light source group continuously illuminate an illumination area, and for each light source of the first two light source groups which emit light in blue or cool white light color, the light cone is within the illumination range of the third light source group.
  • the entire ceiling 3 is irradiated by the neutral white emitting light sources of the third light source group with a corresponding arrangement of the lighting device 1, whereas the light source pairs comprising a light source of the first light source group and a light source of the second light source group only each a portion of the ceiling 3 illuminate.
  • a particularly pleasant background lighting can be generated with dynamically changeable color gradients on the ceiling 3, whereby both a good illumination of the room with high light intensity and an adapted to the biological rhythm of human color gradients of lighting can be realized.
  • any number of light source groups whose illumination area is in the first half space may be provided, as appropriate Embodiment of the illumination device 1 different partial illumination areas can be provided, in each of which a different number of illumination areas of different light sources of different light source groups overlap.
  • the illumination range of the first and second light source group, the light sources form pairs of light sources with a radiation direction 4, 5, in the first half-space, in which the ceiling 3 is arranged.
  • the suspended luminaires 2 of the illumination device 1 have a third light source group, the illumination region of which lies in a second half-space which does not overlap with the first half-space.
  • the emission directions 6 of the light sources of the third light source group are in Fig. 1 exemplified by dash-dotted arrows.
  • the first and second light source groups allow irradiation of the ceiling 3, so that indirect lighting is ensured by the emission of light through the ceiling 3.
  • the third group of light sources enables direct illumination in the space 100 with the emission directions 6 of their light sources Fig. 1 shown embodiment, a table 7 is arranged in the space 100, the table top is a work surface.
  • the third light source group comprises an optical device, which is arranged to the light sources of the light source group such that a glare-free and focused radiation characteristic is ensured. This allows a particularly good work on the table 7, since a very good illumination of the table top of the table 7 is ensured with high light intensity, without causing an undesirable glare on the table. 7 working person can come.
  • the third light source group has a warm white light color.
  • the sunlight can be reproduced by the light emitted by the third light source group.
  • the in Fig. 1 illustrated lighting device 1 ensure a very pleasant lighting of the room 100, as is simulated by the indirect lighting on the ceiling 3 of the natural sky and at the same time by direct lighting the sunlight is imitated, which has a particularly positive effect on the well-being of people in the room can.
  • a further embodiment of a lighting device 1 is shown in a room 100.
  • the lighting device 1 is designed as a floor lamp 8.
  • the floor lamp 8 comprises a first and a second light source group whose light sources pairs light sources as in the in Fig. 1 form illustrated embodiment.
  • the emission direction 9 of the light source pairs is in Fig. 2 shown schematically as a solid arrow.
  • the light source pairs comprising a light source of the first light source group and a light source of the second light source group irradiate the ceiling 3 to ensure indirect illumination of the space 100.
  • the lighting device 1 designed as a floor lamp 8 comprises a third light source group, wherein radiation directions 10 of light sources of the third light source group in FIG Fig. 2 are shown as a dash-dotted arrow.
  • the third light source group allows direct illumination of the table top of a table 7 in the room 100 Fig. 1 explained in detail embodiment also allows in Fig. 2 illustrated embodiment of a lighting device 1 a very pleasant lighting of a room 100.
  • a section of a ceiling 3 is shown, which is irradiated by a lighting device 1 according to the invention and thus radiate light into the space 100.
  • Fig. 3 schematically partial areas 20 of the ceiling 3 are shown, each sub-area 20 is illuminated by a light source of a light source group on the ceiling 3.
  • all portions 20 are irradiated by a respective light source of the same light source group.
  • the partial areas which are emitted by the light sources of the light source group on the ceiling 3 overlap in their peripheral areas. Accordingly, the light cones of these light sources overlap in their edge regions. This ensures that the light source group continuously covers an illumination area.
  • a section of a ceiling 3 is shown, which is irradiated by another embodiment of a lighting device 1. While in the embodiment according to Fig. 3 all the light sources of the light source group have a cone of light having an identical cross section and the light cone of the light sources differ only in their emission directions and starting points, so that the illuminated portions 20 are distributed symmetrically over the ceiling 3, the illuminated portions 30 in the Embodiment after Fig. 4 , asymmetrically distributed over the ceiling 3. Also in Fig. 4 Illuminated portions 30 shown are each irradiated by a light source of the same light source group on the ceiling 3. Out Fig. 4 It can be seen that an asymmetrical distribution of the light intensity over the ceiling 3 and thus a corresponding varied lighting effect of an indirect lighting of a room 100 can be realized via the corresponding lighting device 1.
  • a lighting device 1 and pattern according to Fig. 4 be realized with asymmetrically distributed illuminated portions 30, wherein contrary to the in Fig. 4 illustrated embodiment, various of the asymmetrical portions 30 are irradiated by light sources of partially different light source groups. Likewise, a different number of illumination regions of different light source groups may overlap in different asymmetrical subregions. As a result, a variety of optical effects on a ceiling 3 can be ensured. These design options apply accordingly for a symmetrical embodiment Fig. 3 ,
  • the optical systems of the light source groups are formed stationary in the described embodiments.
  • the optical systems are ensured by a combination of lenses and light-blocking element.
  • such optical systems can be controlled by the control unit to change the illumination range of To obtain light sources and thus enable further dynamic variations of the room lighting.
  • the light sources themselves to change their illumination range, or that of its light source group, according to be movable by a mechanical device.
  • all the light sources are designed as LEDs.
  • the light sources can also be realized otherwise, for example in the form of halogen lamps or incandescent lamps.
  • not all light sources of a lighting device 1 must be realized in the same way.
  • the illumination device 1 according to the invention is very simple and inexpensive to manufacture and to be arranged in a space 100, and that a lighting device 1 enables a large variety of lighting scenarios in a space 100.
  • a lighting device 1 can be designed so that it can be easily retrofitted. For example, possibly defective light sources may be easily replaced, possibly all the light sources of a light source group may be changed to change the light color of the light source group, and possibly other light source groups and / or optical systems for changing the lighting scenarios achievable by the lighting device 1 may additionally be provided to a lighting device 1 to be ordered.

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

Claims (14)

  1. Système d'éclairage (1) pour l'éclairage d'un local (100) et pour fournier des éléments de délimitation spatiale de grande étendue, en particulier des éléments de plafond, rayonnant de la lumière dans le local, ledit système d'éclairage (1) étant conçu pour irradier des éléments de délimitation spatiale plats passifs à partir dudit local (100) pour fournir lesdits éléments de délimitation spatiale rayonnant dans le local (100) pour l'éclairage indirect du local (100), ledit système (1) comprenant au moins deux groupes de sources lumineuses avec des moyens optiques pour définir la zone d'éclairage qui peut être éclairée par les groupes de sources lumineuses, chacun des groupes de sources lumineuses comprenant au moins une source lumineuse, et chacune des sources lumineuses étant associée à une couleur de lumière et toutes les sources lumineuses du groupe de sources lumineuses émettant de la lumière dans cette couleur, les groupes de sources lumineuses étant différents les uns des autres par leur couleur et étant commutable et réglable en intensité séparément, ledit système (1) comprenant une unité de commande pour la commutation dynamique et le réglage d'intensité lumineuse préprogrammables des groupes de sources lumineuses,
    caractérisé en ce
    qu'au moins deux des groupes de sources lumineuses comportent une zone d'éclairage respectivement située entièrement dans le même premier demi-espace, ledit système (1) pour l'éclairage indirect du local (100) pouvant être disposé dans un local (100) de cette manière que les éléments de délimitation spatiale passifs sont situés dans le premier demi-espace et les deux groupes de sources lumineuses irradient lesdits éléments de délimitation spatiale plats passifs pour l'éclairage indirect du local (100), la zone d'éclairage d'un premier des deux groupes de sources lumineuses se recouvre au moins en partie avec la zone d'éclairage d'un deuxième des deux groupes de sources lumineuses dans le premier demi-espace, et le système (1) pour l'éclairage indirect du local étant réalisé en une des couleurs de lumière de l'un des deux groupes de sources lumineuses ou en un mélange des couleurs de lumière des deux sources lumineuses, au moins certaines des sources lumineuses d'au moins un des groupes de sources lumineuses étant commutable et réglable en intensité lumineuse indépendamment les uns des autres, l'unité de commande étant réalisée pour commuter et/ou varier l'intensité de ces sources lumineuses indépendamment les unes des autres, le système (1) comprenant au moins un groupe de sources lumineuses dont la zone d'éclairage est située dans le deuxième demi-espace se situant entièrement à l'extérieur du premier demi-espace.
  2. Système d'éclairage (1) selon la revendication 1,
    caractérisé en ce
    qu'un dispositif optique est associé à au moins l'un des groupes de sources lumineuses rayonnant dans le deuxième demi-espace, ledit dispositif optique étant disposé par rapport aux sources lumineuses du groupe de sources lumineuses de telle manière qu'une caractéristique de rayonnement anti-éblouissante et/or groupée soit assurée.
  3. Système d'éclairage (1) selon la revendication 1 ou 2,
    caractérisé en ce
    qu'au moins un des groupes de sources lumineuses dont la zone d'éclairage est située dans le premier demi-espace, comporte plusieurs sources lumineuses ainsi qu'un système optique, ledit système optique étant disposé sur l'une au moins des sources lumineuses et fixant la zone d'éclairage qui peut éclairé par cette source lumineuse sur un cône de lumière avec un angle d'ouverture déterminé et une orientation déterminée, ledit angle d'ouverture seulement couvrant une partie du demi-espace.
  4. Système d'éclairage (1) selon la revendication 3,
    caractérisé en ce
    qu'au moins un des groupes de sources lumineuses et réalisé de sorte que les cônes de lumière d'un faisceau des sources lumineuses du groupe de sources lumineuses couvrent en continu une zone d'éclairage commune.
  5. System d'éclairage (1) selon la revendication 3 ou 4,
    caractérisé en ce
    qu'au moins un des groupes de sources lumineuses est réalisé de sorte que les cônes de lumière des sources lumineuses du groupe de sources lumineuses se recouvrent au moins dans ses zones marginales.
  6. Système d'éclairage (1) selon l'une des revendications 3 à 5,
    caractérisé en ce
    que pour chaque source lumineuse d'un des groupes de sources lumineuses, le cône de lumière rayonné par cette source lumineuse est dans la zone d'éclairage d'un autre groupe de sources lumineuses.
  7. Système d'éclairage (1) selon l'une des revendications 3 à 6,
    caractérisé en ce
    que le cône de lumière d'une des sources lumineuses d'un des groupes de sources lumineuses est congruent au cône de lumière de l'une des sources lumineuses d'au moins un des autres groupes de sources lumineuses.
  8. Système d'éclairage (1) selon l'une des revendications précédentes,
    caractérisé en ce
    que toutes les sources lumineuses du groupe de sources lumineuses peuvent être commutées ou réglées en l'intensité lumineuse indépendamment les unes des autres.
  9. Système d'éclairage (1) selon l'une des revendications précédentes,
    caractérisé en ce
    qu'au moins deux groupes de sources lumineuses couvrent en continu la même zone d'éclairage.
  10. Système d'éclairage (1) selon l'une des revendications précédentes,
    caractérisé en ce
    qu'au moins un groupe de sources lumineuses couvre seulement une partie de la zone de rayonnement d'au moins un des autres groupes de sources lumineuses.
  11. Système d'éclairage (1) selon l'une des revendications précédentes,
    caractérisé en ce
    que l'unité de commande est conçue pour commander de manière indépendante la commutation et/ou le réglage de l'intensité lumineuse des tous les groupes.
  12. Système d'éclairage (1) selon l'une des revendications précédentes,
    caractérisé en ce
    que l'unité de commande est conçue pour la commande programmable de la commutation dynamique et/ou du réglage de l'intensité lumineuse des groupes de sources lumineuses et des sources lumineuses.
  13. Utilisation d'un système d'éclairage (1) selon l'une des revendications 1 à 12 pour l'éclairage indirect dynamique d'un local (100).
  14. Utilisation d'un système d'éclairage (1) selon l'une des revendications 1 à 12 pour la réalisation simultanée d'un éclairage indirect dynamique et d'un éclairage direct d'un local (100).
EP14151204.6A 2013-01-16 2014-01-15 Système d'éclairage pour intérieur Active EP2757312B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013200557.1A DE102013200557A1 (de) 2013-01-16 2013-01-16 Beleuchtungseinrichtung zur Raumbeleuchtung

Publications (2)

Publication Number Publication Date
EP2757312A1 EP2757312A1 (fr) 2014-07-23
EP2757312B1 true EP2757312B1 (fr) 2016-07-06

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ID=49955930

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EP (1) EP2757312B1 (fr)
DE (1) DE102013200557A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20004356U1 (de) * 2000-03-10 2000-05-18 Buschfeld Design Gmbh Leuchte
DE102005027262A1 (de) * 2005-06-13 2006-12-21 Zumtobel Staff Gmbh Beleuchtungsanordnung zur Unterstützung der menschlichen Sehfunktion sowie des Wohlbefindens
KR101318968B1 (ko) * 2006-06-28 2013-10-17 서울반도체 주식회사 발광 다이오드를 이용한 인공태양광 시스템
DE102006045745A1 (de) * 2006-09-27 2008-04-03 Zumtobel Lighting Gmbh Stehleuchte
DE102007002403B4 (de) * 2007-01-17 2016-03-03 Osram Gmbh Beleuchtungsanordnung, Mehrfach-Lichtmodul, Leuchte und deren Verwendung
CN102859268B (zh) * 2010-04-23 2015-08-19 马丁专业公司 具有利用非扩散光源之间的扩散像素的背景显示器的灯具

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