EP3495728B1 - Led lighting device for the interior of furniture or cabinet - Google Patents

Led lighting device for the interior of furniture or cabinet Download PDF

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Publication number
EP3495728B1
EP3495728B1 EP18189866.9A EP18189866A EP3495728B1 EP 3495728 B1 EP3495728 B1 EP 3495728B1 EP 18189866 A EP18189866 A EP 18189866A EP 3495728 B1 EP3495728 B1 EP 3495728B1
Authority
EP
European Patent Office
Prior art keywords
face
profile
transparent element
light
emitting diodes
Prior art date
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Active
Application number
EP18189866.9A
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German (de)
French (fr)
Other versions
EP3495728A1 (en
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
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Financiere Veron SOFIVE SARL
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Publication of EP3495728A1 publication Critical patent/EP3495728A1/en
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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 device for lighting an interior of a piece of furniture or a cupboard, the device being intended to extend against a wall of the piece of furniture or cupboard.
  • the lighting device includes a series of light-emitting diodes therein.
  • EP-A-2,037,307 discloses a light emitting diode luminaire including an optical waveguide panel made of a high transmission material and directly mounted in the cavity of a piece of furniture having a transparent base layer at the front and a continuous piece of reflective layer with a wavy cross section on the back.
  • Multiple light emitting diodes are mounted in the cavity outside the optical waveguide panel and are controlled to emit light transversely inward of the waveguide panel so that reflection from the reflective layer increases the lighting angle and provide a uniform light effect with enhanced brightness without multiple images or flashing.
  • the problem underlying the present invention is to design a light-emitting diode lighting device which can emit light beams ensuring sufficient lighting of the interior of a piece of furniture in which the lighting device is fixed while n '' not dazzling the user who opened the cabinet.
  • the document EP 3,109,535 A1 can be considered a relevant state of the art.
  • the present invention relates to a device for lighting an interior of a piece of furniture or cupboard, the device being intended to extend against a wall of the piece of furniture or cupboard and having light-emitting diodes inside, characterized in which it comprises a first profile carrying inside its light-emitting diodes and being facing a second profile, the first and second profiles intercalating between them a transparent element and extending by being open towards one another with the light-emitting diodes of the first profile pointing towards the second profile, the first and second profiles and the transparent element delimiting an external contour of the device, the transparent element comprising, on the one hand, a first face internally closing the first profile by presenting an external edge turned towards the light-emitting diodes and an internal edge facing an interior of the transparent element and the second profile and, on the other hand, a second face opposite to the first face at least partially closing the second profile, the internal and external edges of the first face of the transparent element having different shape parameters selected in order to diverge light beams from light emitting diodes
  • the technical effect obtained is to create lighting, advantageously inside a piece of furniture, a cupboard or a cupboard as a piece of furniture which is not dazzling for the person wishing to view the content of such a storage furniture element, the lighting not taking place directly towards 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 reflection means returning the two beams towards inside the transparent element.
  • the face (s) of the transparent element through which the light beams exit (s) are not located 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 the radius of curvature between the inner edge and the outer edge is selected to separate the light beam from each diode into two divergent beams.
  • One or more parameters other than the radius of curvature can however be chosen to cause each beam coming from a diode to diverge, for example a difference in shape, local thickness or material between the internal and external 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 an inclined tip so as to reflect the light beams diverging towards inside the transparent element. Faces of the teeth are inclined to reflect light towards the inside of the transparent element.
  • the second face comprises an intermediate portion joining the two rows of teeth, the intermediate portion having a deformable linear or V-shaped section pointing towards the inside of the transparent element.
  • the first profile 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 strip, being regularly spaced from one another, the second profile being in the form of a plate of which an 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 lateral faces .
  • Such a lighting device is compact, comprising only three essential elements, namely the two sections framing the transparent element. Its assembly is facilitated.
  • the profiles are in the form of plates, which represents a saving of material.
  • the first profile is intended to be the most visible and its rounded shape gives it an undeniable aesthetic appearance.
  • the second profile is flat to increase the contact surface with the item of furniture equipment.
  • the light-emitting diodes in the form of a ribbon take up a minimum of space and the ribbon makes it possible to secure all the diodes with the first profile in a single operation.
  • the strip of light-emitting diodes is applied against an interior of the first profile between two lateral stops projecting from the first profile.
  • This tape can advantageously be glued against the internal face of the first profile which can include a flat for receiving the tape.
  • the second face has two lugs pointing towards the second profile and whose free ends snap into housings carried by the second profile, each lug being placed in opposition on the second face with respect to a respective row of teeth.
  • the transparent element is secured to the second profile by a latching operation, which is simpler than the use of fixing means and which can make the securing operation removable.
  • each housing carried by the second profile is disposed at a connection of a respective arm extending from the second profile towards 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 retention by the second profile in addition to the latching shapes carried respectively by the second face of the transparent element and the interior of the second profile.
  • the first rounded profile carries at each of its free ends a protruding portion which snaps 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 boss protruding from the first face.
  • the two pins and the reflection means of the second face, the housings and their associated arms of the second profile, the protruding portions of the first profile and the recessed portions carried by the transparent element extend over a whole length respectively of the second profile, the first profile and the transparent element.
  • the longitudinal ends of the device each receive a closing end piece, each closing end piece having at least two tabs fitting inside the transparent element in the lighting device.
  • the device is provided with at least one presence detector.
  • the light emitting diodes are supplied as soon as a presence is detected and remain de-energized in the other case, which is an energy saving and does not require the user to perform an action on a power switch. power supply for light emitting diodes.
  • one of the end pieces is longer than the other end piece by carrying said at least one presence detector projecting laterally from the lighting device. Inserting the presence detector into a nozzle allows two elements of the lighting device to be combined, which saves space.
  • This longer end piece is advantageously the one through which electrical supply wires from the outside penetrate, a supply circuit for light-emitting diodes being open as long as no presence is detected.
  • the invention relates to a piece of furniture or a cupboard, 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 lateral faces.
  • the present invention relates to a device 1 for lighting an interior of a piece of furniture or a cupboard, the device 1 being intended to extend against a wall of the furniture or cupboard, advantageously vertically but this is not limiting.
  • furniture any piece of furniture equipment, such as for example a cabinet, a shelf or any storage equipment having an internal storage space which should be lit.
  • the lighting device 1 has light-emitting diodes 2 inside, advantageously carried by a flat strip 10 as shown in the figure 1 .
  • a single light-emitting diode is referenced 2 on the flat strip 10, 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 on its inside the light-emitting diodes 2 and being opposite a second section 4.
  • the first and second sections 3, 4 interpose a at least partially transparent element 5 and extend by being open towards one another with the light-emitting diodes 2 carried in the first profile 3 pointing towards the second profile 4.
  • the transparent element 5 can be at least partially transparent on lateral lighting faces 53, 54 joining the first and second sections 3 and 4 by forming a part of the external contour of the lighting device 1.
  • the first and second profiles 3, 4 and the transparent element 5 define an external contour of the lighting device 1 by forming an elongated assembly closed along its length.
  • the transparent element 5 has a first face 51 internally closing the first profile 3.
  • the first face 51 has an external edge 6 facing the light-emitting diodes 2 and an internal edge 7 facing an interior of the transparent element 5 and the second profile 4.
  • the transparent element 5 has a second face 52 opposite the first face 51 at least partially closing the second profile 4.
  • the internal and external edges 7, 6 of the first face 51 of the transparent element 5 have different shape parameters selected in order to make light beams emerge from the light-emitting diodes 2.
  • any parameter or series of parameters differentiating the internal and external edges 7, 6 of the first face 51 and effecting a diverging action on the light beams coming from the light-emitting diodes 2 can be taken into account within the framework of the present invention, for example one or more parameters of shape and / or material, of local thickness of the internal and external edges 7, 6.
  • a difference in the radius of curvature between the internal and external edges 7, 6 will be described, 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 by being located respectively on an end portion of the second face 52 and no longer on a longitudinal median portion of the second face 52.
  • the second face 52 carries reflection means 8 of the divergent light beams by returning them towards the interior of the transparent element 5, in the direction of the light-emitting diodes 2.
  • the first and second profiles 3, 4 as well as the transparent element 5 form the continuous external contour of the lighting device 1 along the length of the device 1.
  • the longitudinal ends of the lighting device 1 can each receive a closing end piece 18, 18a.
  • Each closure end piece 18, 18a may have at least two tabs 19 fitting inside the transparent element 5 in the lighting device 1, advantageously three tabs 19 as it is visible on the 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 the 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 only supplied electrically when the presence of a user is detected.
  • This presence detection can be done indirectly by detecting a movement of a door or a wing representative of an opening of the cabinet or cupboard.
  • One or more presence detectors 20 can be housed in an end piece 18.
  • the selected end piece 18 is longer than the other smaller end piece 18a only serving to close a longitudinal face of the lighting device 1 to seal it. It is also preferred that cables for supplying the lighting device 1 from the outside enter the device 1 through this longer end piece 18, the power supply to the light-emitting diodes 2 being able to be cut as long as no presence of a user is not detected.
  • the or each presence detector 20 can be infrared or microwave.
  • the figure 2 shows a microwave presence detector 20 housed inside a longer endpiece 18 while not leaving this longer endpiece 18, which protects it.
  • the figure 3 shows two presence detectors 20, only one of which is visible in this figure, non-removable from the longer endpiece 18 which carry them, the two presence detectors 20 projecting from the endpiece 18 respectively on a lateral face of the device 1 lighting which corresponds to and is in the extension of a respective lateral transparent face of the transparent element 5 through which emerges divergent beams coming from the light-emitting diodes 2, at the figure 3 the lateral transparent face 54.
  • the figure 1 shows two non-removable presence detectors 20 of the longer endpiece 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 cupboard, one of the two detectors 20 can be removed because it cannot be used.
  • the first face 51 may have a concave rounded shape open towards the light-emitting diodes 2 with, as different parameters, different radii of curvature between the internal edge 7 and the external 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 can 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 can have an inclined tip so as to reflect the divergent light beams towards the interior of the transparent element 5.
  • the second face 52 can be incomplete by not having an intermediate portion 9 joining two rows of opposite teeth 8 located at the same level of length of the lighting device 1. This is however 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 figure 4 , a deformable V shape pointing towards the inside of the transparent element 5 or, as shown in figure 5 , a linear section or a linear form.
  • the first profile 3 may be in the form of a rounded plate, a concavity of which is turned towards the interior of the device 1.
  • the light-emitting diodes 2 may be carried by a strip 10 while being regularly spaced from one another.
  • the second profile 4 can be in the form of a plate, one end portion of each longitudinal edge of the plate is bent towards the transparent element 5, advantageously at 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 lateral sides 53, 54 transparent through which the light beams exit.
  • the outer contour of the second profile 4 in the form of a plate facing a surface of the cabinet or cupboard to which it can be applied, there is placed an adhesive strip on two opposite surfaces 21, one against the second profile 4 and the other against a surface of the cabinet or cupboard, in order to guarantee rapid and firm joining in position of the lighting device 1 on the cabinet or cupboard.
  • the strip 10 of light-emitting diodes 2 can be applied against an interior of the first profile 3 of rounded shape. This can be done between two lateral stops 11 projecting from the first profile 3 and framing the strip 10 of light-emitting diodes 2.
  • the second face 52 can have two lugs 12 pointing towards the second profile 4 and whose free ends snap into housings 13 carried by the second profile 4.
  • each lug 12 can be arranged in opposition on the second face 52 with respect to a respective row of teeth 8, the rows of teeth 8 located internally of the transparent element 5 and the pins 12 located externally of the transparent element 5 on the other side of a row of associated teeth 8.
  • the intermediate V-shaped portion 9 can act as a return to return the pins 12 of the second face 52 to their position in their associated housing 13 carried by the second section 4.
  • Each housing 13 carried by the second profile 4 can be disposed at a connection or base of a respective arm 14 extending from the second profile 4 towards the second face 52, that is to say at the base of the arm 14 joining it to the second profile 4.
  • a free end of each arm 14 can bear against the outside of the second face 52 and support it.
  • the first rounded profile 3 can carry at each of its free ends a portion projecting 16 towards the interior of the lighting device 1 snapping into a recessed portion 15 carried by the transparent element 5 at a junction of each transparent side face 53, 54 with the first face 51.
  • Each recessed portion 15 between the first face 51 and a transparent side face 53, 54 can be delimited on one side , by the transparent side face 53, 54 and, on the other side, by a boss 17 projecting from the first face 51.
  • the two pins 12 and the reflection means 8 of the second face 52 that is to say the rows of teeth 8, the housings 13 and their arms 14 associated with the second profile 4, the protruding portions 16 of the first profile 3 and the recessed portions 15 carried by the transparent element 5 towards the first face 51, can extend over a whole length respectively of the second face 52 of the transparent element 5, of the second profile 4, of the first profile 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 cupboard, comprising a lighting device 1 as previously mentioned.
  • This piece of equipment can be with sliding or pivoting doors, hinged or retractable by rolling up.
  • FIG. 6 An example of a piece of furniture 22 with two compartments 22a, 22b and with a central vertical upright 23 is illustrated in the figure 6 .
  • This example is not limitative of the present invention but constitutes a preferred embodiment.
  • the lighting device 1 conforms to the first embodiment shown in the 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 light the two compartments 22a and 22b of the piece of furniture 22.
  • the arrows Fa and Fb indicate the direction of the two light beams leaving the lighting device 1 in respective direction of an interior of a compartment 22a or 22b of the piece of furniture 22.
  • a means for securing the lighting device 1 to the central upright 23 can be provided, for example in the form of an 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)

Description

La présente invention concerne un dispositif d'éclairage d'un intérieur de meuble ou d'un placard, le dispositif étant destiné à s'étendre contre une paroi du meuble ou du placard. Le dispositif d'éclairage comprend une série de diodes électroluminescentes en son intérieur.The present invention relates to a device for lighting an interior of a piece of furniture or a cupboard, the device being intended to extend against a wall of the piece of furniture or cupboard. The lighting device includes a series of light-emitting diodes therein.

Le document EP-A-2 037 307 divulgue un luminaire à diodes électroluminescentes incluant un panneau formant guide optique d'ondes réalisé dans un matériau à haute transmission et directement monté dans la cavité d'un meuble ayant une couche de base transparente à l'avant et une pièce continue de couche réflective avec une section transversale ondulée au dos.The document EP-A-2,037,307 discloses a light emitting diode luminaire including an optical waveguide panel made of a high transmission material and directly mounted in the cavity of a piece of furniture having a transparent base layer at the front and a continuous piece of reflective layer with a wavy cross section on the back.

Plusieurs diodes électroluminescentes sont montées dans la cavité en dehors du panneau formant un guide optique d'ondes et sont contrôlées pour émettre de la lumière de façon transversale vers l'intérieur du panneau formant guide d'ondes afin que la réflexion par la couche réflective augmente l'angle d'éclairage et fournisse un effet lumineux uniforme ayant une brillance renforcée sans images multiples, ni flashage.Multiple light emitting diodes are mounted in the cavity outside the optical waveguide panel and are controlled to emit light transversely inward of the waveguide panel so that reflection from the reflective layer increases the lighting angle and provide a uniform light effect with enhanced brightness without multiple images or flashing.

Si ce document reconnaît que des problèmes d'uniformité peuvent apparaître pour les faisceaux lumineux, il ne donne aucune indication quant à diminuer l'éblouissement d'un utilisateur du meuble quand il reçoit des faisceaux lumineux directement pointés sur lui.If this document recognizes that problems of uniformity can appear for the light beams, it gives no indication as to reduce the glare of a user of the piece of furniture when he receives light beams directly pointed at him.

Le problème à la base de la présente invention est de concevoir un dispositif d'éclairage à diodes électroluminescentes qui puisse émettre des faisceaux lumineux assurant un éclairage suffisant de l'intérieur d'un meuble dans lequel le dispositif d'éclairage est fixé tout en n'éblouissant pas l'utilisateur ayant ouvert le meuble. Le document EP 3 109 535 A1 peut être considéré comme un état de l'art pertinent.The problem underlying the present invention is to design a light-emitting diode lighting device which can emit light beams ensuring sufficient lighting of the interior of a piece of furniture in which the lighting device is fixed while n '' not dazzling the user who opened the cabinet. The document EP 3,109,535 A1 can be considered a relevant state of the art.

A cet effet, la présente invention concerne un dispositif d'éclairage d'un intérieur de meuble ou de placard, le dispositif étant destiné à s'étendre contre une paroi du meuble ou du placard et présentant des diodes électroluminescentes en son intérieur, caractérisé en ce qu'il comporte un premier profilé portant en son intérieur les diodes électroluminescentes et étant en vis-à-vis d'un deuxième profilé, les premier et deuxièmes profilés intercalant entre eux un élément transparent et s'étendant en étant ouverts l'un vers l'autre avec les diodes électroluminescentes du premier profilé pointant vers le deuxième profilé, les premier et deuxième profilés et l'élément transparent délimitant un contour externe du dispositif, l'élément transparent comportant, d'une part, une première face fermant intérieurement le premier profilé en présentant un bord externe tourné vers les diodes électroluminescentes et un bord interne tourné vers un intérieur de l'élément transparent et le deuxième profilé et, d'autre part, une deuxième face opposée à la première face fermant au moins partiellement le deuxième profilé, les bords interne et externe de la première face de l'élément transparent présentant des paramètres de forme différents sélectionnés afin de faire diverger des faisceaux lumineux issus des diodes électroluminescentes, la deuxième face portant des moyens de réflexion des faisceaux lumineux divergents les renvoyant vers l'intérieur de l'élément transparent.To this end, the present invention relates to a device for lighting an interior of a piece of furniture or cupboard, the device being intended to extend against a wall of the piece of furniture or cupboard and having light-emitting diodes inside, characterized in which it comprises a first profile carrying inside its light-emitting diodes and being facing a second profile, the first and second profiles intercalating between them a transparent element and extending by being open towards one another with the light-emitting diodes of the first profile pointing towards the second profile, the first and second profiles and the transparent element delimiting an external contour of the device, the transparent element comprising, on the one hand, a first face internally closing the first profile by presenting an external edge turned towards the light-emitting diodes and an internal edge facing an interior of the transparent element and the second profile and, on the other hand, a second face opposite to the first face at least partially closing the second profile, the internal and external edges of the first face of the transparent element having different shape parameters selected in order to diverge light beams from light emitting diodes, the second face carrying means e reflection of the divergent light beams returning them towards the interior of the transparent element.

L'effet technique obtenu est de créer un éclairage, avantageusement à l'intérieur d'un meuble, d'un placard ou d'une armoire en tant qu'élément mobilier qui ne soit pas éblouissant pour la personne voulant visualiser le contenu d'un tel élément mobilier de rangement, l'éclairage ne se faisant pas directement vers l'extérieur de l'élément transparent mais après divergence et séparation du faisceau lumineux en deux faisceaux et réflexion des deux faisceaux sur des moyens de réflexion renvoyant les deux faisceaux vers l'intérieur de l'élément transparent.The technical effect obtained is to create lighting, advantageously inside a piece of furniture, a cupboard or a cupboard as a piece of furniture which is not dazzling for the person wishing to view the content of such a storage furniture element, the lighting not taking place directly towards 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 reflection means returning the two beams towards inside the transparent element.

La ou les faces de l'élément transparent par laquelle ou lesquelles sortent les faisceaux de lumière ne se trouvent pas en face des diodes électroluminescentes mais sont disposées latéralement aux diodes électroluminescentes.The face (s) of the transparent element through which the light beams exit (s) are not located opposite the light-emitting diodes but are arranged laterally to the light-emitting diodes.

Selon l'emplacement du dispositif d'éclairage dans l'élément mobilier dont l'intérieur est à éclairer, il est possible de ne conserver qu'une seule face latérale d'éclairage, cette face étant celle dirigée vers l'intérieur de l'élément mobilier.Depending on the location of the lighting device in the furniture element whose interior is to be lit, it is possible to keep only one side lighting side, this side being that facing inward of the furniture element.

Avantageusement, la première face présente une forme arrondie concave ouverte vers les diodes électroluminescentes avec, comme paramètres différents, des rayons de courbure différents entre le bord interne et le bord externe de la première face. La différence de rayon de courbure entre le bord interne et le bord externe est sélectionnée pour séparer le faisceau lumineux issu de chaque diode en deux faisceaux divergents.Advantageously, 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 the radius of curvature between the inner edge and the outer edge is selected to separate the light beam from each diode into two divergent beams.

Un ou des paramètres autres que le rayon de courbure peuvent être cependant choisis pour faire diverger chaque faisceau issu d'une diode, par exemple une différence de forme, d'épaisseur locale ou de matière entre les bords interne et externe.One or more parameters other than the radius of curvature can however be chosen to cause each beam coming from a diode to diverge, for example a difference in shape, local thickness or material between the internal and external edges.

Avantageusement, les moyens de réflexion portés par la deuxième face sont sous la forme d'une rangée de dents se trouvant sur chacune des portions d'extrémité de la deuxième face, chaque dent présentant une pointe inclinée de sorte à réfléchir les faisceaux lumineux divergents vers l'intérieur de l'élément transparent. Des faces des dents sont inclinées pour réfléchir la lumière vers l'intérieur de l'élément transparent.Advantageously, 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 an inclined tip so as to reflect the light beams diverging towards inside the transparent element. Faces of the teeth are inclined to reflect light towards the inside of the transparent element.

Avantageusement, la deuxième face comprend une portion intermédiaire réunissant les deux rangées de dents, la portion intermédiaire présentant une section linéaire ou en forme de V déformable pointant vers l'intérieur de l'élément transparent.Advantageously, the second face comprises an intermediate portion joining the two rows of teeth, the intermediate portion having a deformable linear or V-shaped section pointing towards the inside of the transparent element.

Ceci renforce la solidité de l'élément transparent et aide à sa mise en place.This strengthens the solidity of the transparent element and helps it to be put in place.

Avantageusement, le premier profilé est sous la forme d'une plaque arrondie dont une concavité est tournée vers l'intérieur du dispositif et les diodes électroluminescentes sont portées par un ruban en étant régulièrement espacées les unes des autres, le deuxième profilé étant sous la forme d'une plaque dont une portion d'extrémité de chaque bord longitudinal de la plaque est recourbée vers l'élément transparent et l'élément transparent est sous la forme d'une barre creuse présentant les première et deuxième faces raccordées par deux faces latérales transparentes.Advantageously, the first profile 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 strip, being regularly spaced from one another, the second profile being in the form of a plate of which an 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 lateral faces .

Un tel dispositif d'éclairage est compact en ne comportant que trois éléments essentiels à savoir les deux profilés encadrant l'élément transparent. Son montage en est facilité.Such a lighting device is compact, comprising only three essential elements, namely the two sections framing the transparent element. Its assembly is facilitated.

Les profilés sont sous forme de plaques, ce qui représente une économie de matière. Le premier profilé est destiné à être le plus visible et sa forme arrondie lui confère un aspect esthétique indéniable. Le deuxième profilé est plan pour accroître la surface de contact avec l'élément d'équipement mobilier. Les diodes électroluminescentes sous la forme d'un ruban tiennent un minimum de place et le ruban permet de solidariser toutes les diodes avec le premier profilé en une seule opération.The profiles are in the form of plates, which represents a saving of material. The first profile is intended to be the most visible and its rounded shape gives it an undeniable aesthetic appearance. The second profile is flat to increase the contact surface with the item of furniture equipment. The light-emitting diodes in the form of a ribbon take up a minimum of space and the ribbon makes it possible to secure all the diodes with the first profile in a single operation.

Avantageusement, le ruban de diodes électroluminescentes est appliqué contre un intérieur du premier profilé entre deux butées latérales faisant saillie du premier profilé. Ce ruban peut avantageusement être collé contre la face interne du premier profilé qui peut comprendre un méplat pour la réception du ruban.Advantageously, the strip of light-emitting diodes is applied against an interior of the first profile between two lateral stops projecting from the first profile. This tape can advantageously be glued against the internal face of the first profile which can include a flat for receiving the tape.

Avantageusement, la deuxième face présente deux ergots pointant vers le deuxième profilé et dont les extrémités libres s'encliquètent dans des logements portés par le deuxième profilé, chaque ergot étant disposé en opposition sur la deuxième face par rapport à une rangée de dents respective.Advantageously, the second face has two lugs pointing towards the second profile and whose free ends snap into housings carried by the second profile, each lug being placed in opposition on the second face with respect to a respective row of teeth.

Ainsi, l'élément transparent est solidarisé avec le deuxième profilé par une opération d'encliquetage, ce qui est plus simple que l'utilisation de moyens de fixation et ce qui peut rendre l'opération de solidarisation amovible.Thus, the transparent element is secured to the second profile by a latching operation, which is simpler than the use of fixing means and which can make the securing operation removable.

Avantageusement, chaque logement porté par le deuxième profilé est disposé à un raccordement d'un bras respectif s'étendant en partant du deuxième profilé vers la deuxième face, une extrémité libre de chaque bras supportant la deuxième face.Advantageously, each housing carried by the second profile is disposed at a connection of a respective arm extending from the second profile towards the second face, a free end of each arm supporting the second face.

Le support de l'élément transparent par des bras permet d'améliorer son maintien par le deuxième profilé en complément des formes d'encliquetage portés respectivement par la deuxième face de l'élément transparent et l'intérieur du deuxième profilé.The support of the transparent element by arms makes it possible to improve its retention by the second profile in addition to the latching shapes carried respectively by the second face of the transparent element and the interior of the second profile.

Avantageusement, le premier profilé arrondi porte à chacune de ses extrémités libres une portion faisant saillie s'encliquetant dans une portion en retrait portée par l'élément transparent à une jonction de chaque face latérale transparente avec la première face, chaque portion en retrait étant délimitée, d'un côté, par la face latérale transparente et, de l'autre côté, par un bossage dépassant de la première face.Advantageously, the first rounded profile carries at each of its free ends a protruding portion which snaps 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 boss protruding from the first face.

Avantageusement, les deux ergots et les moyens de réflexion de la deuxième face, les logements et leurs bras associés du deuxième profilé, les portions faisant saillie du premier profilé et les portions en retrait portés par l'élément transparent, s'étendent sur toute une longueur respectivement du deuxième profilé, du premier profilé et de l'élément transparent.Advantageously, the two pins and the reflection means of the second face, the housings and their associated arms of the second profile, the protruding portions of the first profile and the recessed portions carried by the transparent element extend over a whole length respectively of the second profile, the first profile and the transparent element.

Il n'y a donc pas besoin de prévoir plusieurs formes d'encliquetage du même type le long de l'élément transparent et des premier et deuxième profilés, par exemple en vis-à-vis des diodes électroluminescentes mais seulement des uniques formes d'encliquetage complémentaires s'étendant respectivement le long de l'intérieur des premier et deuxième profilés et à l'extérieur de l'élément transparent en vis-à-vis respectivement des premier et deuxième profilés.There is therefore no need to provide several forms of latching of the same type along the transparent element and the first and second profiles, for example opposite light-emitting diodes but only single forms of complementary snap-fitting extending respectively along the inside of the first and second profiles and outside the transparent element vis-à-vis the first and second profiles respectively.

Avantageusement, les extrémités longitudinales du dispositif reçoivent chacune un embout de fermeture, chaque embout de fermeture présentant au moins deux pattes s'insérant à l'intérieur de l'élément transparent dans le dispositif d'éclairage.Advantageously, the longitudinal ends of the device each receive a closing end piece, each closing end piece having at least two tabs fitting inside the transparent element in the lighting device.

Avantageusement, le dispositif est muni d'au moins un détecteur de présence. Ainsi, les diodes électroluminescentes sont alimentées dès qu'une présence est détectée et restent hors tension dans l'autre cas, ce qui est une économie d'énergie et ne demande pas à l'utilisateur d'effectuer une action sur un interrupteur d'alimentation électrique des diodes électroluminescentes.Advantageously, the device is provided with at least one presence detector. Thus, the light emitting diodes are supplied as soon as a presence is detected and remain de-energized in the other case, which is an energy saving and does not require the user to perform an action on a power switch. power supply for light emitting diodes.

Avantageusement, un des embouts est plus long que l'autre embout en portant ledit au moins un détecteur de présence faisant saillie latéralement du dispositif d'éclairage. Insérer le détecteur de présence dans un embout permet de combiner deux éléments du dispositif d'éclairage, ce qui représente un gain de place. Cet embout plus long est avantageusement celui par lequel pénètre des fils d'alimentation électrique venant de l'extérieur, un circuit d'alimentation des diodes électroluminescentes étant ouvert tant qu'aucune présence n'est détectée.Advantageously, one of the end pieces is longer than the other end piece by carrying said at least one presence detector projecting laterally from the lighting device. Inserting the presence detector into a nozzle allows two elements of the lighting device to be combined, which saves space. This longer end piece is advantageously the one through which electrical supply wires from the outside penetrate, a supply circuit for light-emitting diodes being open as long as no presence is detected.

L'invention concerne un meuble ou un placard, caractérisé en ce qu'il comprend un dispositif d'éclairage tel que précédemment mentionné.The invention relates to a piece of furniture or a cupboard, characterized in that it comprises a lighting device as previously mentioned.

Avantageusement, le dispositif d'éclairage est positionné sur un montant central vertical du meuble séparant deux compartiments du meuble, le dispositif d'éclairage éclairant les deux compartiments par des faces latérales transparentes.Advantageously, 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 lateral faces.

D'autres caractéristiques, buts et avantages de la présente invention apparaîtront à la lecture de la description détaillée qui va suivre et au regard des dessins annexés donnés à titre d'exemples non limitatifs et sur lesquels :

  • la figure 1 est une représentation schématique d'une vue en perspective en éclaté du dispositif d'éclairage selon une forme de réalisation de la présente invention, le dispositif d'éclairage comprenant, d'une part, deux profilés dont un contient des diodes électroluminescentes et, d'autre part, un élément transparent avec une première face faisant diverger le faisceau de lumière provenant des diodes électroluminescentes et une deuxième face réfléchissant le faisceau de lumière divergent et le renvoyant vers l'intérieur de l'élément transparent,
  • les figures 2 et 3 sont des représentations schématiques d'une vue en perspective du dispositif d'éclairage selon deux autres formes de réalisation optionnelles de la présente invention que celle montrée à la figure 1, un détecteur de présence étant un détecteur à micro-ondes ou étant fixe au lieu d'être démontable comme montré à la figure 1, le détecteur de présence n'étant pas une caractéristique essentielle de la présente invention,
  • la figure 4 est une représentation schématique d'une vue en coupe du dispositif d'éclairage conformément à un premier mode préféré de réalisation selon la présente invention,
  • la figure 5 est une représentation schématique d'une vue en coupe du dispositif d'éclairage conformément à un deuxième mode de réalisation selon la présente invention,
  • la figure 6 est une représentation schématique d'une vue de dessus en coupe du dispositif d'éclairage conformément au premier mode de réalisation selon la présente invention positionné sur un montant central d'un meuble comportant deux compartiments à éclairer, ce positionnement n'étant pas limitatif pour un meuble ou placard équipé selon la présente invention.
Other characteristics, aims and advantages of the present invention will appear on reading the detailed description which follows and with regard to the appended drawings given by way of nonlimiting examples and in which:
  • the figure 1 is a schematic representation of an exploded perspective view of the lighting device according to an embodiment of the present invention, the lighting device comprising, on the one hand, two profiles, one of which contains light-emitting diodes and, d on the other hand, a transparent element with a first face causing the beam of light coming from the light-emitting diodes to diverge and a second face reflecting the diverging light beam and returning it towards the inside of the transparent element,
  • the figures 2 and 3 are schematic representations of a perspective view of the lighting device according to two other optional embodiments of the present invention than that shown in the figure 1 , a presence detector being a microwave detector or being fixed instead of being removable as shown in the figure 1 , the presence detector not being an essential characteristic of the present invention,
  • the figure 4 is a schematic representation of a sectional view of the lighting device according to a first preferred embodiment according to the present invention,
  • the figure 5 is a schematic representation of a sectional view of the lighting device according to a second embodiment according to the present invention,
  • the figure 6 is a schematic representation of a top view in section of the lighting device according to the first embodiment according to the present invention positioned on a central upright of a piece of furniture comprising two compartments to be illuminated, this positioning not being limiting for a piece of furniture or cupboard equipped according to the present invention.

En se référant à toutes les figures et notamment aux figures 1 à 3, la présente invention concerne un dispositif 1 d'éclairage d'un intérieur de meuble ou d'un placard, le dispositif 1 étant destiné à s'étendre contre une paroi du meuble ou du placard, avantageusement verticalement mais ceci n'est pas limitatif.Referring to all the figures and in particular to Figures 1 to 3 , the present invention relates to a device 1 for lighting an interior of a piece of furniture or a cupboard, the device 1 being intended to extend against a wall of the furniture or cupboard, advantageously vertically but this is not limiting.

Par meuble, il est entendu tout élément d'équipement mobilier, comme par exemple une armoire, une étagère ou tout équipement de rangement présentant un espace interne de rangement qu'il convient d'éclairer.By furniture is meant any piece of furniture equipment, such as for example a cabinet, a shelf or any storage equipment having an internal storage space which should be lit.

Pour cela, le dispositif 1 d'éclairage présente des diodes électroluminescentes 2 en son intérieur, avantageusement portées par un ruban 10 plat comme montré à la figure 1. Une seule diode électroluminescente est référencée 2 sur le ruban 10 plat mais tout ce qui est énoncé pour cette diode référencée est valable pour toutes les autres diodes électroluminescentes montrées aux figures. Pour ordre d'idée, il peut y avoir une diode électroluminescente tous les 2 centimètres sur le ruban.For this, the lighting device 1 has light-emitting diodes 2 inside, advantageously carried by a flat strip 10 as shown in the figure 1 . A single light-emitting diode is referenced 2 on the flat strip 10, but all that is stated for this referenced diode is valid for all the other light-emitting diodes shown in the figures. As an idea, there may be a light emitting diode every 2 centimeters on the ribbon.

Le dispositif 1 d'éclairage selon l'invention comporte un premier profilé 3 portant en son intérieur les diodes électroluminescentes 2 et étant en vis-à-vis d'un deuxième profilé 4. Les premier et deuxième profilés 3, 4 intercalent entre eux un élément au moins partiellement transparent 5 et s'étendent en étant ouverts l'un vers l'autre avec les diodes électroluminescentes 2 portés dans le premier profilé 3 pointant vers le deuxième profilé 4.The lighting device 1 according to the invention comprises a first section 3 carrying on its inside the light-emitting diodes 2 and being opposite a second section 4. The first and second sections 3, 4 interpose a at least partially transparent element 5 and extend by being open towards one another with the light-emitting diodes 2 carried in the first profile 3 pointing towards the second profile 4.

L'élément transparent 5 peut être au moins partiellement transparent sur des faces latérales d'éclairage 53, 54 réunissant les premier et deuxième profilés 3 et 4 en formant une partie du contour externe du dispositif 1 d'éclairage.The transparent element 5 can be at least partially transparent on lateral lighting faces 53, 54 joining the first and second sections 3 and 4 by forming a part of the external contour of the lighting device 1.

Comme il peut être vu aux figures 2 et 3, les premier et deuxième profilés 3, 4 et l'élément transparent 5 délimitent un contour externe du dispositif 1 d'éclairage en formant un ensemble allongé fermé sur sa longueur.As can be seen in figures 2 and 3 , the first and second profiles 3, 4 and the transparent element 5 define an external contour of the lighting device 1 by forming an elongated assembly closed along its length.

En se référant maintenant plus particulièrement aux figures 4 et 5 qui montrent deux modes de réalisation alternative de l'élément transparent 5 inséré entre les premier et deuxième profilés 3, 4, l'élément transparent 5 comporte une première face 51 fermant intérieurement le premier profilé 3.Referring now more particularly to Figures 4 and 5 which show two alternative embodiments of the transparent element 5 inserted between the first and second profiles 3, 4, the transparent element 5 has a first face 51 internally closing the first profile 3.

La première face 51 présente un bord externe 6 tourné vers les diodes électroluminescentes 2 et un bord interne 7 tourné vers un intérieur de l'élément transparent 5 et le deuxième profilé 4. L'élément transparent 5 comporte une deuxième face 52 opposée à la première face 51 fermant au moins partiellement le deuxième profilé 4.The first face 51 has an external edge 6 facing the light-emitting diodes 2 and an internal edge 7 facing an interior of the transparent element 5 and the second profile 4. The transparent element 5 has a second face 52 opposite the first face 51 at least partially closing the second profile 4.

Les bords interne et externe 7, 6 de la première face 51 de l'élément transparent 5 présentent des paramètres de forme différents sélectionnés afin de faire diverger des faisceaux lumineux issus des diodes électroluminescentes 2.The internal and external edges 7, 6 of the first face 51 of the transparent element 5 have different shape parameters selected in order to make light beams emerge from the light-emitting diodes 2.

Tout paramètre ou série de paramètres différenciant les bords interne et externe 7, 6 de la première face 51 et effectuant une action de divergence sur les faisceaux lumineux issus des diodes électroluminescentes 2 peuvent être pris en considération dans le cadre de la présente invention, par exemple un ou des paramètres de forme et/ou de matière, d'épaisseur locale des bords interne et externe 7, 6. Ci-après il sera décrit comme paramètre une différence de rayon de courbure entre les bords interne et externe 7, 6 mais ceci n'est pas limitatif.Any parameter or series of parameters differentiating the internal and external edges 7, 6 of the first face 51 and effecting a diverging action on the light beams coming from the light-emitting diodes 2 can be taken into account within the framework of the present invention, for example one or more parameters of shape and / or material, of local thickness of the internal and external edges 7, 6. Hereinafter, a difference in the radius of curvature between the internal and external edges 7, 6 will be described, but this is not limiting.

Deux faisceaux divergents sont ainsi créés qui parviennent à la deuxième face 52 en faisant un angle avec cette deuxième face 52 et en étant localisés respectivement sur une portion d'extrémité de la deuxième face 52 et non plus sur une portion médiane longitudinale de la deuxième face 52. La deuxième face 52 porte des moyens de réflexion 8 des faisceaux lumineux divergents en les renvoyant vers l'intérieur de l'élément transparent 5, en direction des diodes électroluminescentes 2.Two divergent beams are thus created which reach the second face 52 by making an angle with this second face 52 and by being located respectively on an end portion of the second face 52 and no longer on a longitudinal median portion of the second face 52. The second face 52 carries reflection means 8 of the divergent light beams by returning them towards the interior of the transparent element 5, in the direction of the light-emitting diodes 2.

Il n'y a pas ainsi de faisceau lumineux qui sort directement de l'élément transparent 5, ce qui pourrait éblouir la personne voulant regarder l'intérieur du meuble ou du placard.There is thus no light beam which comes directly from the transparent element 5, which could dazzle the person wanting to look inside the cabinet or cupboard.

En se référant plus particulièrement aux figures 1 à 3, les premier et deuxième profilés 3, 4 ainsi que l'élément transparent 5 forment le contour externe continu du dispositif 1 d'éclairage dans la longueur du dispositif 1. Les extrémités longitudinales du dispositif 1 d'éclairage peuvent recevoir chacune un embout de fermeture 18, 18a.With particular reference to Figures 1 to 3 , the first and second profiles 3, 4 as well as the transparent element 5 form the continuous external contour of the lighting device 1 along the length of the device 1. The longitudinal ends of the lighting device 1 can each receive a closing end piece 18, 18a.

Chaque embout de fermeture 18, 18a peut présenter au moins deux pattes 19 s'insérant à l'intérieur de l'élément transparent 5 dans le dispositif 1 d'éclairage, avantageusement trois pattes 19 comme il est visible à la figure 1. Les embouts 18, 18a peuvent être similaires ou un embout 18 peut être plus grand que l'autre embout 18a comme montré aux figures 1 à 3.Each closure end piece 18, 18a may have at least two tabs 19 fitting inside the transparent element 5 in the lighting device 1, advantageously three tabs 19 as it is visible on the 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 the Figures 1 to 3 .

En effet, il est judicieux d'équiper le dispositif 1 d'éclairage d'au moins un détecteur de présence 20 pour que les diodes électroluminescentes 2 ne soient alimentées électriquement que quand la présence d'un utilisateur est détectée. Cette détection de présence peut se faire indirectement par une détection d'un mouvement d'une porte ou d'un battant représentatif d'une ouverture du meuble ou du placard.Indeed, it is advisable to equip the lighting device 1 with at least one presence detector 20 so that the light-emitting diodes 2 are only supplied electrically when the presence of a user is detected. This presence detection can be done indirectly by detecting a movement of a door or a wing representative of an opening of the cabinet or cupboard.

Un ou des détecteurs de présence 20 peuvent être logés dans un embout 18. Dans ce cas, l'embout 18 sélectionné est plus long que l'autre embout 18a plus petit ne servant qu'à fermer une face longitudinale du dispositif 1 d'éclairage pour en assurer l'étanchéité. Il est aussi préféré que des câbles d'alimentation électrique du dispositif 1 d'éclairage provenant de l'extérieur pénètre dans le dispositif 1 par cet embout plus long 18, l'alimentation électrique des diodes électroluminescentes 2 pouvant être coupée tant qu'aucune présence d'un utilisateur n'est détectée.One or more presence detectors 20 can be housed in an end piece 18. In this case, the selected end piece 18 is longer than the other smaller end piece 18a only serving to close a longitudinal face of the lighting device 1 to seal it. It is also preferred that cables for supplying the lighting device 1 from the outside enter the device 1 through this longer end piece 18, the power supply to the light-emitting diodes 2 being able to be cut as long as no presence of a user is not detected.

Le ou chaque détecteur de présence 20 peut être infrarouge ou par micro-ondes. La figure 2 montre un détecteur de présence 20 à micro-ondes logé à l'intérieur d'un embout plus long 18 en ne sortant pas de cet embout plus long 18, ce qui le protège.The or each presence detector 20 can be infrared or microwave. The figure 2 shows a microwave presence detector 20 housed inside a longer endpiece 18 while not leaving this longer endpiece 18, which protects it.

La figure 3 montre deux détecteurs de présence 20, dont un seul est visible à cette figure, non amovibles de l'embout plus long 18 qui les portent, les deux détecteurs de présence 20 faisant saillie de l'embout 18 sur respectivement une face latérale du dispositif 1 d'éclairage qui correspond à et est dans le prolongement d'une face transparente latérale respective de l'élément transparent 5 par laquelle sort des faisceaux divergents issus des diodes électroluminescentes 2, à la figure 3 la face transparente latérale 54.The figure 3 shows two presence detectors 20, only one of which is visible in this figure, non-removable from the longer endpiece 18 which carry them, the two presence detectors 20 projecting from the endpiece 18 respectively on a lateral face of the device 1 lighting which corresponds to and is in the extension of a respective lateral transparent face of the transparent element 5 through which emerges divergent beams coming from the light-emitting diodes 2, at the figure 3 the lateral transparent face 54.

La figure 1 montre deux détecteurs de présence 20 non amovibles de l'embout plus long 18 qui les portent avec les mêmes caractéristiques qu'énoncées en regard de la figure 3. Ce mode de réalisation optionnelle des détecteurs de présence 20 est préféré. Selon l'emplacement du dispositif 1 d'éclairage dans le meuble ou placard, un des deux détecteurs 20 peut être enlevé car non utilisable.The figure 1 shows two non-removable presence detectors 20 of the longer endpiece 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 cupboard, one of the two detectors 20 can be removed because it cannot be used.

Comme visible notamment aux figures 1, 4 et 5, la première face 51 peut présenter une forme arrondie concave ouverte vers les diodes électroluminescentes 2 avec, comme paramètres différents, des rayons de courbure différents entre le bord interne 7 et le bord externe 6 de la première face 51. Comme précédemment mentionné, ce mode optionnel est le mode préféré mais n'est pas le seul.As visible especially to figures 1 , 4 and 5 , the first face 51 may have a concave rounded shape open towards the light-emitting diodes 2 with, as different parameters, different radii of curvature between the internal edge 7 and the external edge 6 of the first face 51. As previously mentioned, this mode optional is the preferred mode but is not the only one.

Comme visible notamment aux figures 4 et 5, les moyens de réflexion 8 portés par la deuxième face 52 peuvent être sous la forme d'une rangée de dents 8 se trouvant sur chacune des portions d'extrémité latérale de la deuxième face 52. Chaque dent peut présenter une pointe inclinée de sorte à réfléchir les faisceaux lumineux divergents vers l'intérieur de l'élément transparent 5.As visible especially to Figures 4 and 5 , the reflection means 8 carried by the second face 52 can 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 can have an inclined tip so as to reflect the divergent light beams towards the interior of the transparent element 5.

La deuxième face 52 peut être incomplète en ne présentant pas de portion intermédiaire 9 réunissant deux rangées de dents 8 opposées se trouvant à un même niveau de longueur du dispositif 1 d'éclairage. Ceci n'est cependant pas préféré et la deuxième face 52 peut comprendre de préférence une portion intermédiaire 9 réunissant les deux rangées de dents 8. Cette portion intermédiaire 9 peut présenter, comme montré en figure 4, une forme de V déformable pointant vers l'intérieur de l'élément transparent 5 ou, comme montré à la figure 5, une section linéaire ou une forme linéaire.The second face 52 can be incomplete by not having an intermediate portion 9 joining two rows of opposite teeth 8 located at the same level of length of the lighting device 1. This is however 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 figure 4 , a deformable V shape pointing towards the inside of the transparent element 5 or, as shown in figure 5 , a linear section or a linear form.

En se référant plus particulièrement aux figures 1, 4 et 5, le premier profilé 3 peut être sous la forme d'une plaque arrondie dont une concavité est tournée vers l'intérieur du dispositif 1. Les diodes électroluminescentes 2 peuvent être portées par un ruban 10 en étant régulièrement espacées les unes des autres.With particular reference to figures 1 , 4 and 5 , the first profile 3 may be in the form of a rounded plate, a concavity of which is turned towards the interior of the device 1. The light-emitting diodes 2 may be carried by a strip 10 while being regularly spaced from one another.

Le deuxième profilé 4 peut être sous la forme d'une plaque dont une portion d'extrémité de chaque bord longitudinal de la plaque est recourbée vers l'élément transparent 5, avantageusement à 90°. L'élément transparent 5 peut être sous la forme d'une barre creuse présentant les première et deuxième faces 51, 52 raccordées par deux faces latérales 53, 54 transparentes par lesquelles sortent les faisceaux lumineux.The second profile 4 can be in the form of a plate, one end portion of each longitudinal edge of the plate is bent towards the transparent element 5, advantageously at 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 lateral sides 53, 54 transparent through which the light beams exit.

Selon le positionnement du dispositif 1 d'éclairage dans le meuble ou le placard, il est possible qu'une face latérale 53, 54 transparente par laquelle sort une partie des faisceaux lumineux soit sans utilité. Auquel cas, il est possible de prévoir un cache occultant les faisceaux lumineux sortants de cette face latérale 53, 54 transparente. Ceci peut, par exemple, être le cas quand le dispositif 1 d'éclairage se trouve à l'entrée du meuble ou du placard auquel cas une des faces latérales 53, 54 transparentes va éclairer vers l'extérieur du meuble ou placard quand celui-ci est ouvert, ce qui n'est pas nécessaire.Depending on the positioning of the lighting device 1 in the cabinet or cupboard, it is possible that a transparent side face 53, 54 through which comes out some of the light beams are useless. In which case, it is possible to provide a cover obscuring the light beams exiting from this transparent side face 53, 54. This can, for example, be the case when the lighting device 1 is at the entrance to the piece of furniture or cupboard, in which case one of the transparent side faces 53, 54 will light up towards the outside of the piece of furniture or cupboard when it this is open, which is not necessary.

Comme montré à la figure 5 mais applicable aussi au mode de réalisation montré à la figure 4, le contour externe du deuxième profilé 4 sous forme d'une plaque en vis-à-vis d'une surface du meuble ou placard sur laquelle il peut être appliqué, il est posé une bande autocollante sur deux surfaces opposées 21, l'une contre le deuxième profilé 4 et l'autre contre une surface du meuble ou du placard, afin de garantir une solidarisation rapide et ferme en position du dispositif 1 d'éclairage sur le meuble ou le placard.As shown in the figure 5 but also applicable to the embodiment shown in the figure 4 , the outer contour of the second profile 4 in the form of a plate facing a surface of the cabinet or cupboard to which it can be applied, there is placed an adhesive strip on two opposite surfaces 21, one against the second profile 4 and the other against a surface of the cabinet or cupboard, in order to guarantee rapid and firm joining in position of the lighting device 1 on the cabinet or cupboard.

De préférence, le ruban 10 de diodes électroluminescentes 2 peut être appliqué contre un intérieur du premier profilé 3 de forme arrondie. Ceci peut se faire entre deux butées latérales 11 faisant saillie du premier profilé 3 et encadrant le ruban 10 de diodes électroluminescentes 2.Preferably, the strip 10 of light-emitting diodes 2 can be applied against an interior of the first profile 3 of rounded shape. This can be done between two lateral stops 11 projecting from the first profile 3 and framing the strip 10 of light-emitting diodes 2.

En se référant toujours notamment aux figures 4 et 5, la deuxième face 52 peut présenter deux ergots 12 pointant vers le deuxième profilé 4 et dont les extrémités libres s'encliquètent dans des logements 13 portés par le deuxième profilé 4. De préférence, chaque ergot 12 peut être disposé en opposition sur la deuxième face 52 par rapport à une rangée de dents 8 respective, les rangées de dents 8 se trouvant en interne de l'élément transparent 5 et les ergots 12 se trouvant en externe de l'élément transparent 5 de l'autre côté d'une rangée de dents 8 associée.Always referring in particular to Figures 4 and 5 , the second face 52 can have two lugs 12 pointing towards the second profile 4 and whose free ends snap into housings 13 carried by the second profile 4. Preferably, each lug 12 can be arranged in opposition on the second face 52 with respect to a respective row of teeth 8, the rows of teeth 8 located internally of the transparent element 5 and the pins 12 located externally of the transparent element 5 on the other side of a row of associated teeth 8.

Dans ce cas, la portion intermédiaire 9 en V peut faire effet de rappel pour rappeler en position les ergots 12 de la deuxième face 52 dans leur logement 13 associé porté par le deuxième profilé 4.In this case, the intermediate V-shaped portion 9 can act as a return to return the pins 12 of the second face 52 to their position in their associated housing 13 carried by the second section 4.

Chaque logement 13 porté par le deuxième profilé 4 peut être disposé à un raccordement ou base d'un bras 14 respectif s'étendant en partant du deuxième profilé 4 vers la deuxième face 52, c'est-à-dire à la base du bras 14 le joignant au deuxième profilé 4. Dans ce cas, une extrémité libre de chaque bras 14 peut être en appui contre l'extérieur de la deuxième face 52 et la supporter.Each housing 13 carried by the second profile 4 can be disposed at a connection or base of a respective arm 14 extending from the second profile 4 towards the second face 52, that is to say at the base of the arm 14 joining it to the second profile 4. In this case, a free end of each arm 14 can bear against the outside of the second face 52 and support it.

De l'autre côté longitudinal du dispositif 1 d'éclairage, le premier profilé 3 arrondi peut porter à chacune de ses extrémités libres une portion faisant saillie 16 vers l'intérieur du dispositif d'éclairage 1 s'encliquetant dans une portion en retrait 15 portée par l'élément transparent 5 à une jonction de chaque face latérale 53, 54 transparente avec la première face 51. Chaque portion en retrait 15 entre la première face 51 et une face latérale 53, 54 transparente peut être délimitée, d'un côté, par la face latérale 53, 54 transparente et, de l'autre côté, par un bossage 17 dépassant de la première face 51.On the other longitudinal side of the lighting device 1, the first rounded profile 3 can carry at each of its free ends a portion projecting 16 towards the interior of the lighting device 1 snapping into a recessed portion 15 carried by the transparent element 5 at a junction of each transparent side face 53, 54 with the first face 51. Each recessed portion 15 between the first face 51 and a transparent side face 53, 54 can be delimited on one side , by the transparent side face 53, 54 and, on the other side, by a boss 17 projecting from the first face 51.

Comme il peut être le mieux vu au moins partiellement et en combinaison aux figures 1, 4 et 5, les deux ergots 12 et les moyens de réflexion 8 de la deuxième face 52, c'est-à-dire les rangées de dents 8, les logements 13 et leurs bras 14 associés du deuxième profilé 4, les portions faisant saillie 16 du premier profilé 3 et les portions en retrait 15 portés par l'élément transparent 5 vers la première face 51, peuvent s'étendre sur toute une longueur respectivement de la deuxième face 52 de l'élément transparent 5, du deuxième profilé 4, du premier profilé 3 et de la première face 51 de l'élément transparent 5.As it can be best seen at least partially and in combination with figures 1 , 4 and 5 , the two pins 12 and the reflection means 8 of the second face 52, that is to say the rows of teeth 8, the housings 13 and their arms 14 associated with the second profile 4, the protruding portions 16 of the first profile 3 and the recessed portions 15 carried by the transparent element 5 towards the first face 51, can extend over a whole length respectively of the second face 52 of the transparent element 5, of the second profile 4, of the first profile 3 and the first face 51 of the transparent element 5.

L'invention concerne enfin un élément d'équipement mobilier, par exemple un meuble ou un placard, comprenant un dispositif 1 d'éclairage tel que précédemment mentionné. Cet élément d'équipement peut être à portes coulissantes ou pivotantes, à battants ou escamotables par enroulement.The invention finally relates to a piece of furniture equipment, for example a piece of furniture or a cupboard, comprising a lighting device 1 as previously mentioned. This piece of equipment can be with sliding or pivoting doors, hinged or retractable by rolling up.

Un exemple d'un meuble 22 à deux compartiments 22a, 22b et à montant vertical central 23 est illustré à la figure 6. Cet exemple n'est pas limitatif de la présente invention mais constitue un mode de réalisation préféré. Le dispositif 1 d'éclairage est conforme au premier mode de réalisation montré à la figure 4 mais pourrait être selon le deuxième mode de réalisation montré à la figure 5.An example of a piece of furniture 22 with two compartments 22a, 22b and with a central vertical upright 23 is illustrated in the figure 6 . This example is not limitative of the present invention but constitutes a preferred embodiment. The lighting device 1 conforms to the first embodiment shown in the figure 4 but could be according to the second embodiment shown in the figure 5 .

Le dispositif 1 d'éclairage est supporté par le montant central 23 à l'extérieur du meuble. De cette manière, il peut éclairer simultanément les deux compartiments 22a et 22b du meuble 22. Les flèches Fa et Fb indiquent la direction des deux faisceaux lumineux sortant du dispositif 1 d'éclairage en direction respective d'un intérieur d'un compartiment 22a ou 22b du meuble 22. Un moyen de solidarisation du dispositif 1 d'éclairage sur le montant central 23 peut être prévu, par exemple sous la forme d'une bande autocollante sur deux surfaces opposées 21, comme montré à la figure 5 pour l'autre mode de réalisation du dispositif 1 d'éclairage mais qui peut être utilisé pour le premier mode de réalisation de l'invention. Le dispositif 1 éclaire les deux compartiments 22a, 2b par des faces latérales transparentes 53, 54.The lighting device 1 is supported by the central upright 23 on the outside of the cabinet. In this way, it can simultaneously light the two compartments 22a and 22b of the piece of furniture 22. The arrows Fa and Fb indicate the direction of the two light beams leaving the lighting device 1 in respective direction of an interior of a compartment 22a or 22b of the piece of furniture 22. A means for securing the lighting device 1 to the central upright 23 can be provided, for example in the form of an 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.

Claims (15)

  1. Lighting device (1) for the interior of a piece of furniture (22) or cupboard, the device (1) being designed to extend against a wall of the piece of furniture (22) or the cupboard and having light-emitting diodes (2) therein, said device comprising a first profile (3) bearing therein the light-emitting diodes (2) and being arranged opposite a second profile (4), characterised in that the first and second profiles (3, 4) interleave between them a transparent element (5) and extend being open towards one another with the light-emitting diodes (2) of the first profile (3) pointing towards the second profile (4), the first and second profiles (3, 4) and the transparent element (5) delimiting an external contour of the device (1), the transparent element (5) comprising on the one hand a first face (51) closing on the inside the first profile (3) having an external edge (6) turned towards the light-emitting diodes (2) and an internal edge (7) turned towards an interior of the transparent element (5) and the second profile (4) and on the other hand a second face (52) opposite the first face (51) closing at least partially the second profile (4), the internal and external edges (7, 6) of the first face (51) of the transparent element (5) having parameters of different form selected in order to diverge light beams coming from the light-emitting diodes (2), the second face (52) bearing reflecting means (8) of diverging light beams sending them towards the interior of the transparent element (5).
  2. Device (1) according to claim 1, wherein the first face (51) has a rounded concave form open towards the light-emitting diodes (2) with, as different parameters, different bending radii between the internal edge (7) and the external edge (6) of the first face (51).
  3. Device (1) according to claim 1 or 2, wherein the reflection means (8) borne by the second face (52) are in the form of a row of teeth (8) located on each of the end portions of the second face (52), each tooth having an inclined point so as to reflect the diverging light beams towards the interior of the transparent element (5).
  4. Device (1) according to the preceding claim, wherein the second face (52) comprises an intermediate portion (9) joining the two rows of teeth (8), the intermediate portion (9) having a linear cross-section or a cross-section in the form of a deformable V pointing towards the interior of the transparent element (5).
  5. Device (1) according to any of the preceding claims, wherein the first profile (3) is in the form of a rounded plate, a concavity of which is turned towards the interior of the device (1) and the light-emitting diodes (2) are carried by a ribbon (10) spaced apart at regular intervals from one another, the second profile (4) being in the form of a plate, an end portion of each longitudinal edge of the plate is curved towards the transparent element (5) and the transparent element (5) is in the form of a hollow rod having the first and second faces (51, 52) connected by two lateral transparent faces (53, 54).
  6. Device (1) according to the preceding claim, wherein the ribbon (10) of light-emitting diodes (2) is applied against an interior of the first profile (3) between two lateral stops (11) projecting from the first profile (3).
  7. Device (1) according to any of the two preceding claims, wherein the second face (52) has two lugs (12) pointing towards the second profile (4) and the free ends of which click into housings (13) borne by the second profile (4), each lug (12) being arranged opposite on the second face (52) relative to a respective row of teeth (8).
  8. Device (1) according to the preceding claim, wherein each housing (13) borne by the second profile (4) is arranged at a junction of a respective arm (14) extending from the second profile (4) towards the second face (52), a free end of each arm (14) supporting the second face (52) .
  9. Device (1) according to any of claims 5 to 8, wherein the first rounded profile (3) bears at each of its free ends a projecting portion (16) clicking into an indented portion (15) borne by the transparent element (5) at a junction of each lateral transparent face (53, 54) with the first face (51), each indented portion (15) being delimited on the one hand by the lateral transparent face (53, 54) and on the other hand by a boss (17) extending beyond the first face (51).
  10. Device (1) according to claim 9 taken in combination with claim 8, wherein the two lugs (12) and the reflection means (8) of the second face (52), the housings (13) and their associated arms (14) of the second profile (4), the portions projecting (16) from the first profile (3) and the indented portions (15) borne by the transparent element (5), extend over all of a length respectively of the second profile (4), of the first profile (3) and of the transparent element (5).
  11. Device (1) according to any of claims 5 to 10, wherein the longitudinal ends of the device (1) each receive a closing joining piece (18, 18a), each closing joining piece (18, 18a) having at least two tabs (19) for inserting into the interior of the transparent element (5) in the lighting device (1).
  12. Device (1) according to any of the preceding claims, which is provided with at least one presence detector (20) .
  13. Device (1) according to claims 11 and 12, wherein one (18) of the joining pieces (18, 18a) is longer than the other joining piece (18a) bearing said at least one presence detector (20) projecting laterally from the lighting device (1).
  14. Piece of furniture (22) or cupboard, characterised in that it comprises a lighting device (1) according to any of the preceding claims.
  15. Piece of furniture (22) according to the preceding claim, wherein the lighting device (1) is positioned on a vertical central upright of the piece of furniture (22) separating two compartments (22a, 22b) of the piece of furniture (22), the lighting device (1) lighting the two compartments (22a, 22b) by transparent lateral faces (53, 54) .
EP18189866.9A 2017-12-06 2018-08-21 Led lighting device for the interior of furniture or cabinet Active EP3495728B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1771313A FR3074565B1 (en) 2017-12-06 2017-12-06 INTERIOR LIGHTING DEVICE OF A LIGHT EMITTING DIODE FURNITURE OR CABINET

Publications (2)

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EP3495728A1 EP3495728A1 (en) 2019-06-12
EP3495728B1 true EP3495728B1 (en) 2020-06-24

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Application Number Title Priority Date Filing Date
EP18189866.9A Active EP3495728B1 (en) 2017-12-06 2018-08-21 Led lighting device for the interior of furniture or cabinet

Country Status (3)

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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3109535B1 (en) * 2015-06-23 2017-12-27 USM Holding AG Furniture system with a module for insertion into a pipe of a three-dimensional supporting tubular structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3495728A1 (en) 2019-06-12
ES2821426T3 (en) 2021-04-26
FR3074565B1 (en) 2019-11-01
FR3074565A1 (en) 2019-06-07

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