EP3495728A1 - Innenbeleuchtungsvorrichtung eines möbelstücks oder schranks mit elektrolumineszenzdioden - Google Patents

Innenbeleuchtungsvorrichtung eines möbelstücks oder schranks mit elektrolumineszenzdioden Download PDF

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Publication number
EP3495728A1
EP3495728A1 EP18189866.9A EP18189866A EP3495728A1 EP 3495728 A1 EP3495728 A1 EP 3495728A1 EP 18189866 A EP18189866 A EP 18189866A EP 3495728 A1 EP3495728 A1 EP 3495728A1
Authority
EP
European Patent Office
Prior art keywords
face
transparent element
section
profile
light
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
EP18189866.9A
Other languages
English (en)
French (fr)
Other versions
EP3495728B1 (de
Inventor
Stéphane Veron
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.)
Financiere Veron SOFIVE SARL
Original Assignee
Financiere Veron SOFIVE SARL
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 Financiere Veron SOFIVE SARL filed Critical Financiere Veron SOFIVE SARL
Publication of EP3495728A1 publication Critical patent/EP3495728A1/de
Application granted granted Critical
Publication of EP3495728B1 publication Critical patent/EP3495728B1/de
Active legal-status Critical Current
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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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0012—Furniture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • 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
    • 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 present invention relates to a lighting device of a furniture interior or a closet, the device being intended to extend against a wall of the cabinet or closet.
  • the lighting device comprises a series of light-emitting diodes in its interior.
  • the document EP-A-2,037,307 discloses a light emitting diode luminaire including a waveguide panel made of a high transmission material and directly mounted in the cavity of a cabinet having a transparent base layer at the front and a continuous reflective layer piece with a wavy cross section at the back.
  • a plurality of light-emitting diodes are mounted in the cavity outside the waveguide panel and are controlled to emit light transversely to the interior of the waveguide panel so that reflection by the reflective layer increases. the angle of illumination and provide a uniform light effect with enhanced brightness without multiple images or flashing.
  • the problem underlying the present invention is to design a lighting device with light-emitting diodes that can emit light beams providing sufficient illumination of the interior of a piece of furniture in which the lighting device is fixed while n not dazzling the user who opened the furniture.
  • the present invention relates to a lighting device of a furniture or closet interior, the device being intended to extend against a wall of the cabinet or cabinet and having light-emitting diodes in its interior, characterized in that it comprises a first section carrying the light emitting diodes inside and being opposite a second section, the first and second sections interposing a transparent element between them and extending while being open towards each other with the light-emitting diodes of the first section pointing towards the second section, the first and second sections and the transparent element delimiting an outer contour of the device, the transparent element comprising, on the one hand, a first face internally closing the first section having an outer edge turned towards the light-emitting diodes and an inner edge; turned towards an inside of the transparent element and the second section and, secondly, a second face opposite to the first face at least partially closing the second section, the inner and outer edges of the first face of the transparent element having different shape parameters selected to diverge light beams from the electroluminescent diodes escentes, the second face
  • the technical effect obtained is to create a lighting, advantageously inside a piece of furniture, a closet or a cabinet as a piece of furniture that is not dazzling for the person wanting to visualize the contents of such a storage furniture element, the lighting not being directly to the outside of the transparent element but after divergence and separation of the light beam into two beams and reflection of the two beams on reflecting means returning the two beams to inside the transparent element.
  • the face or faces of the transparent element through which the light beams emerge are not opposite the light emitting diodes but are arranged laterally to the light emitting diodes.
  • the first face has a concave rounded shape open towards the light-emitting diodes with, as different parameters, different radii of curvature between the inner edge and the outer edge of the first face.
  • the difference in radius of curvature between the inner edge and the outer edge is selected to separate the light beam from each diode into two diverging beams.
  • one or more parameters other than the radius of curvature may be chosen to diverge each beam coming from a diode, for example a difference in shape, local thickness or material between the inner and outer edges.
  • the reflection means carried by the second face are in the form of a row of teeth located on each of the end portions of the second face, each tooth having a tip inclined so as to reflect the diverging light beams towards inside the transparent element. Teeth faces are inclined to reflect light into the transparent element.
  • the second face comprises an intermediate portion joining the two rows of teeth, the intermediate portion having a linear section or deformable V-shaped pointing towards the inside of the transparent element.
  • the first section is in the form of a rounded plate whose concavity is turned towards the inside of the device and the light-emitting diodes are carried by a ribbon being regularly spaced from each other, the second section being in the form of a plate whose end portion of each longitudinal edge of the plate is curved towards the transparent element and the transparent element is in the form of a hollow bar having the first and second faces connected by two transparent side faces .
  • Such a lighting device is compact by having only three essential elements namely the two sections framing the transparent element. Its editing is facilitated.
  • the profiles are in the form of plates, which represents a saving of material.
  • the first section is intended to be the most visible and its rounded shape gives it an undeniable aesthetic appearance.
  • the second section is planar to increase the area of contact with the item of furniture equipment.
  • the electroluminescent diodes in the form of a ribbon take up a minimum of space and the ribbon makes it possible to join all the diodes with the first profile in a single operation.
  • the strip of light-emitting diodes is applied against an inside of the first profile between two lateral stops projecting from the first profile.
  • This ribbon may advantageously be glued against the inner face of the first section which may comprise a flat for receiving the ribbon.
  • the second face has two lugs pointing to the second section and whose free ends snap into housings carried by the second section, each lug being disposed in opposition to the second face relative to a respective row of teeth.
  • the transparent element is secured to the second section by a latching operation, which is simpler than the use of fastening means and which can make the securing operation removable.
  • each housing carried by the second section is disposed at a connection of a respective arm extending from the second section to the second face, a free end of each arm supporting the second face.
  • the support of the transparent element by arms makes it possible to improve its maintenance by the second section in addition to the snap-fastening shapes carried respectively by the second face of the transparent element and the inside of the second section.
  • the first rounded section carries at each of its free ends a protruding portion snapping into a recessed portion carried by the transparent element at a junction of each transparent side face with the first face, each recessed portion being delimited. on one side, by the transparent lateral face and, on the other side, by a projection protruding from the first face.
  • the two lugs and the reflection means of the second face, the housings and their associated arms of the second profile, the portions protruding from the first section and the recessed portions carried by the transparent element, extend over an entire length respectively of the second section, the first section and the transparent element.
  • the longitudinal ends of the device each receive a closure tip, each closure end having at least two tabs inserted inside the transparent element in the lighting device.
  • the device is provided with at least one presence detector.
  • the light-emitting diodes are powered as soon as a presence is detected and remain off in the other case, which is a saving of energy and does not require the user to perform an action on a switch. power supply of the light-emitting diodes.
  • one end is longer than the other end by carrying said at least one presence detector projecting laterally from the lighting device. Inserting the presence detector into a mouthpiece makes it possible to combine two elements of the lighting device, which represents a saving of space.
  • This longer tip is advantageously the one through which electrical power supply son coming from the outside, a power supply circuit of the light emitting diodes being open until no presence is detected.
  • the invention relates to a cabinet or a closet, characterized in that it comprises a lighting device as previously mentioned.
  • the lighting device is positioned on a vertical central upright of the cabinet separating two compartments of the cabinet, the lighting device illuminating the two compartments by transparent side faces.
  • the present invention relates to a device 1 for lighting a furniture interior or a cupboard, the device 1 being intended to extend against a wall of the furniture or closet, preferably vertically but this is not limiting.
  • furniture any item of furniture equipment, such as a cabinet, a shelf or any storage equipment having an internal storage space that should be illuminated.
  • the lighting device 1 has light-emitting diodes 2 in its interior, advantageously carried by a flat ribbon 10 as shown in FIG. figure 1 .
  • a single light-emitting diode is referenced 2 on the flat ribbon, but all that is stated for this referenced diode is valid for all the other light-emitting diodes shown in the figures.
  • the lighting device 1 comprises a first section 3 carrying in its interior the light-emitting diodes 2 and facing a second profile 4.
  • the first and second profiles 3, 4 interpose between them a at least partially transparent element 5 and extend being open to each other with the light emitting diodes 2 carried in the first section 3 pointing to the second section 4.
  • the transparent element 5 may be at least partially transparent on lighting side faces 53, 54 joining the first and second profiles 3 and 4 forming a portion of the outer contour of the lighting device 1.
  • the first and second profiles 3, 4 and the transparent element 5 define an outer contour of the lighting device 1 forming an elongate assembly closed along its length.
  • the transparent element 5 comprises a first face 51 internally closing the first section 3.
  • the first face 51 has an outer edge 6 facing the light-emitting diodes 2 and an inner edge 7 facing an inside of the transparent element 5 and the second section 4.
  • the transparent element 5 comprises a second face 52 opposite the first face 51 at least partially closing the second profile 4.
  • the inner and outer edges 7, 6 of the first face 51 of the transparent element 5 have different shape parameters selected in order to diverge light beams coming from the light-emitting diodes 2.
  • any parameter or series of parameters differentiating the inner and outer edges 7, 6 of the first face 51 and effecting a divergence action on the light beams coming from the light-emitting diodes 2 may be taken into consideration in the context of the present invention, for example one or more parameters of shape and / or material, of local thickness of the inner and outer edges 7, 6.
  • a difference in radius of curvature between the inner and outer edges 7, 6 will be described as a parameter, but this is not limiting.
  • Two divergent beams are thus created which reach the second face 52 by making an angle with this second face 52 and being respectively located on an end portion of the second face 52 and no longer on a longitudinal middle portion of the second face 52.
  • the second face 52 carries reflection means 8 of the diverging light beams returning them towards the inside of the transparent element 5, in the direction of the light-emitting diodes 2.
  • the first and second profiles 3, 4 and the transparent element 5 form the continuous outer contour of the lighting device 1 in the length of the device 1.
  • the longitudinal ends of the lighting device 1 can each receive a closure tip 18, 18a.
  • Each closure piece 18, 18a may have at least two tabs 19 inserted inside the transparent element 5 in the lighting device 1, advantageously three tabs 19 as can be seen in FIG. figure 1 .
  • the end pieces 18, 18a may be similar or one end piece 18 may be larger than the other end piece 18a as shown in FIGS. Figures 1 to 3 .
  • the lighting device 1 it is advisable to equip the lighting device 1 with at least one presence detector 20 so that the light emitting diodes 2 are electrically powered only when the presence of a user is detected.
  • This presence detection can be done indirectly by detecting a movement of a door or a door representative of an opening of the cabinet or closet.
  • One or presence detectors 20 may be housed in a nozzle 18.
  • the selected nozzle 18 is longer than the other smaller nozzle 18a serving only to close a longitudinal face of the lighting device 1 to ensure watertightness. It is also preferred that lighting device 1 power supply cables coming from the outside enters the device 1 by this longer end piece 18, the power supply of the light-emitting diodes 2 being able to be cut as long as no presence a user is detected.
  • the or each presence detector 20 may be infrared or microwaves.
  • the figure 2 shows a microwave presence detector housed inside a longer nozzle 18 by not leaving this longer nozzle 18, which protects it.
  • the figure 3 shows two presence detectors 20, only one of which is visible in this figure, not detachable from the longer end piece 18 which carries them, the two presence detectors 20 protruding from the end piece 18 respectively on a lateral face of the device 1 corresponding to and is in the extension of a respective lateral transparent face of the transparent element 5 through which diverging beams coming from the light-emitting diodes 2 come out, at the figure 3 the lateral transparent face 54.
  • the figure 1 shows two non-removable presence detectors 20 of the longer end piece 18 which carry them with the same characteristics as stated opposite the figure 3 .
  • This optional embodiment of the presence detectors 20 is preferred. Depending on the location of the lighting device 1 in the cabinet or closet, one of the two detectors 20 can be removed because not usable.
  • the first face 51 may have an open concave rounded shape toward the light-emitting diodes 2 with, as different parameters, different radii of curvature between the inner edge 7 and the outer edge 6 of the first face 51.
  • this mode optional is the preferred mode but is not the only one.
  • the reflection means 8 carried by the second face 52 may be in the form of a row of teeth 8 located on each of the lateral end portions of the second face 52.
  • Each tooth may have an inclined tip so as to reflect the diverging light beams towards the inside of the transparent element 5.
  • the second face 52 may be incomplete by not having an intermediate portion 9 joining two rows of opposed teeth 8 at the same level of length of the lighting device 1. This, however, is not preferred and the second face 52 may preferably comprise an intermediate portion 9 joining the two rows of teeth 8.
  • This intermediate portion 9 may have, as shown in FIG. figure 4 , a deformable V shape pointing inwardly of the transparent element 5 or, as shown in FIG. figure 5 , a linear section or a linear form.
  • the first section 3 may be in the form of a rounded plate whose concavity is turned towards the inside of the device 1.
  • the light emitting diodes 2 may be carried by a ribbon 10 being regularly spaced from each other.
  • the second section 4 may be in the form of a plate, an end portion of each longitudinal edge of the plate is bent towards the transparent element 5, preferably 90 °.
  • the transparent element 5 may be in the form of a hollow bar having the first and second faces 51, 52 connected by two transparent side faces 53, 54 through which the light beams emerge.
  • a lateral face 53, 54 transparent by which fate some of the light beams are useless. In which case, it is possible to provide a cache obscuring the outgoing light beams of this lateral face 53, 54 transparent. This may, for example, be the case when the lighting device 1 is at the entrance of the cabinet or cupboard in which case one of the side faces 53, 54 transparent will illuminate outward of the cabinet or closet when the latter it is open, which is not necessary.
  • the outer contour of the second section 4 in the form of a plate facing a surface of the cabinet or closet on which it can be applied a self-adhesive strip is placed on two opposite surfaces 21, one against the second section 4 and the other against a surface of the cabinet or closet, to ensure fast and firm fastening in position of the lighting device 1 on the cabinet or closet.
  • the strip 10 of light-emitting diodes 2 may be applied against an interior of the first section 3 of rounded shape. This can be done between two lateral stops 11 protruding from the first profile 3 and surrounding the ribbon 10 of light-emitting diodes 2.
  • the second face 52 may have two lugs 12 pointing to the second section 4 and whose free ends snap into housings 13 carried by the second profile 4.
  • each lug 12 may be arranged in opposition on the second face 52 with respect to a respective row of teeth 8, the rows of teeth 8 being internally of the transparent element 5 and the lugs 12 lying externally of the transparent element 5 on the other side of a row of teeth. 8 teeth associated.
  • the intermediate V-shaped portion 9 can be used to return the pins 12 of the second face 52 into position in their associated housing 13 carried by the second profile 4.
  • Each housing 13 carried by the second section 4 may be arranged at a connection or base of a respective arm 14 extending from the second section 4 to the second face 52, that is to say at the base of the arm 14 joining it to the second section 4.
  • a free end of each arm 14 may bear against the outside of the second face 52 and support it.
  • the first rounded section 3 may carry at each of its free ends a protruding portion 16 towards the inside of the lighting device 1 snapping into a recessed portion 15 carried by the transparent element 5 at a junction of each lateral face 53, 54 transparent with the first face 51.
  • Each recessed portion 15 between the first face 51 and a transparent lateral face 53, 54 may be delimited, on one side , by the lateral face 53, 54 transparent and, on the other side, by a boss 17 protruding from the first face 51.
  • the two lugs 12 and the reflection means 8 of the second face 52 that is to say the rows of teeth 8, the housing 13 and their associated arms 14 of the second section 4, the projecting portions 16 of the first section 3 and the recessed portions 15 carried by the transparent element 5 towards the first face 51, can extend over an entire length respectively of the second face 52 of the transparent element 5, the second section 4, the first section 3 and the first face 51 of the transparent element 5.
  • the invention finally relates to a piece of furniture equipment, for example a piece of furniture or a closet, comprising a lighting device 1 as previously mentioned.
  • This item of equipment can be with sliding or pivoting doors, casement or retractable by winding.
  • FIG. figure 6 An example of a furniture 22 with two compartments 22a, 22b and vertical upright 23 is shown in FIG. figure 6 .
  • This example is not limiting of the present invention but is a preferred embodiment.
  • the lighting device 1 is in accordance with the first embodiment shown in FIG. figure 4 but could be according to the second embodiment shown in the figure 5 .
  • the lighting device 1 is supported by the central upright 23 on the outside of the cabinet. In this way, it can simultaneously illuminate the two compartments 22a and 22b of the cabinet 22.
  • the arrows Fa and Fb indicate the direction of the two light beams coming out of the lighting device 1. respective direction of an interior of a compartment 22a or 22b of the furniture 22.
  • a means for securing the lighting device 1 on the central upright 23 may be provided, for example in the form of a self-adhesive strip on two opposite surfaces 21, as shown in figure 5 for the other embodiment of the lighting device 1 but which can be used for the first embodiment of the invention.
  • the device 1 illuminates the two compartments 22a, 2b by transparent lateral faces 53, 54.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP18189866.9A 2017-12-06 2018-08-21 Led-innenbeleuchtungseinrichtung für möbel oder -schrank Active EP3495728B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1771313A FR3074565B1 (fr) 2017-12-06 2017-12-06 Dispositif d’eclairage interieur d’un meuble ou placard a diodes electroluminescentes

Publications (2)

Publication Number Publication Date
EP3495728A1 true EP3495728A1 (de) 2019-06-12
EP3495728B1 EP3495728B1 (de) 2020-06-24

Family

ID=61003283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18189866.9A Active EP3495728B1 (de) 2017-12-06 2018-08-21 Led-innenbeleuchtungseinrichtung für möbel oder -schrank

Country Status (3)

Country Link
EP (1) EP3495728B1 (de)
ES (1) ES2821426T3 (de)
FR (1) FR3074565B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109535A1 (de) * 2015-06-23 2016-12-28 USM Holding AG Verbrauchermodul zum einsetzen in ein rohr einer dreidimensionalen tragenden rohrstruktur eines möbelsystems

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109535A1 (de) * 2015-06-23 2016-12-28 USM Holding AG Verbrauchermodul zum einsetzen in ein rohr einer dreidimensionalen tragenden rohrstruktur eines möbelsystems

Also Published As

Publication number Publication date
EP3495728B1 (de) 2020-06-24
FR3074565B1 (fr) 2019-11-01
ES2821426T3 (es) 2021-04-26
FR3074565A1 (fr) 2019-06-07

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