EP3663635B1 - Stabilisateur à lentille anti-éblouissement - Google Patents

Stabilisateur à lentille anti-éblouissement Download PDF

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Publication number
EP3663635B1
EP3663635B1 EP19214074.7A EP19214074A EP3663635B1 EP 3663635 B1 EP3663635 B1 EP 3663635B1 EP 19214074 A EP19214074 A EP 19214074A EP 3663635 B1 EP3663635 B1 EP 3663635B1
Authority
EP
European Patent Office
Prior art keywords
webs
light exit
mounting body
longitudinal direction
cover
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.)
Active
Application number
EP19214074.7A
Other languages
German (de)
English (en)
Other versions
EP3663635A1 (fr
Inventor
Bernd Ganzer
Rudolf Niggemann
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux GmbH and Co KG
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 Trilux GmbH and Co KG filed Critical Trilux GmbH and Co KG
Publication of EP3663635A1 publication Critical patent/EP3663635A1/fr
Application granted granted Critical
Publication of EP3663635B1 publication Critical patent/EP3663635B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to an elongate lamp according to the preamble of claim 1.
  • a generic lamp to which the present invention relates, has at least one mounting body, a circuit board and a cover.
  • the assembly body and cover can together form a housing that encloses an interior space in which all the essential lamp components are contained.
  • a light can also have a more complex structure, for example the light can also have a mounting rail that can be attached to a component, for example a wall or ceiling, with the mounting body being able to be attached to the mounting rail and, for example, also essential components inside the mounting rail of the luminaire, for example cables for the power supply and control gear, can be arranged.
  • the cover forms the light emission side of the lamp.
  • LED units arranged on the circuit board emit light that strikes the cover from the inside and is emitted by the cover.
  • the cover of a lamp of this type has a light exit section which is arranged vertically, ie along a vertical direction, above the circuit board and within its horizontal extent the board is arranged.
  • a plurality of LED units arranged next to one another in a longitudinal direction and spaced apart from one another in the longitudinal direction are provided on the circuit board and are designed to emit light upwards, which impinges on the cover and is emitted from the light exit portion of the cover to the outside.
  • the cover also has wall areas which, starting from the light exit section, extend vertically towards the mounting body and which are supported on the mounting body.
  • the wall areas thus enable the cover to be mounted on the mounting body.
  • the wall areas bear directly against the mounting body, for example are pressed vertically against the mounting body, for example via known locking, clamping, screw or other suitable connections.
  • exemplary embodiments are known in which wall areas bear directly against an intermediate element which in turn bears against the mounting body, for example on a circuit board which is fixed on the mounting body.
  • the wall areas ensure that the cover is supported relative to the assembly body.
  • the LED units are arranged between the wall portions in a transverse direction perpendicular to the longitudinal direction and perpendicular to the vertical direction.
  • the wall areas thus form a transverse section between them in the transverse direction, in which the LED units and the light exit section are arranged, without a further wall area formed by the cover within this transverse section ensuring that the cover is supported on the mounting body, thereby ensuring the highest possible light yield can be guaranteed.
  • the wall areas are preferably also elongated in the longitudinal direction, in particular uninterrupted over an elongated longitudinal section, in particular over at least 80% of the longitudinal extent of the cover, so that the best possible support of the cover relative to the mounting body can be ensured.
  • EP2803908A1 an elongated lamp with a cover designed as an optical element.
  • DE202008011979U1 and EP2854489A1 relate to lamps comprising a circuit board on which LED units are attached, the circuit board being fixed on the mounting body.
  • EP2042801A1 relates to a lamp with LED units arranged in a housing, which are designed to emit light through a cover.
  • Such generic lights are easy to implement, and with such lights, both a good light yield can be achieved in the sense that a high proportion of the light emitted by the LED units can exit the light exit area, as well as a sufficiently robust design via the support the cover by means of the wall portions opposite the mounting body.
  • Such generic lights have the disadvantage that to achieve sufficient stability, a considerable amount of material is required for the realization of the cover, with a corresponding loss of light being unavoidable through the use of a corresponding amount of material for the production of the cover.
  • the object of the present invention is to provide an elongate lamp with which at least one of the above-mentioned disadvantages of lamps of the generic type can be at least partially eliminated.
  • the invention proposes a lamp with the features of claim 1 .
  • the lamp according to the invention is in a longitudinal direction elongate and comprises a printed circuit board arranged on a mounting body, on which a plurality of LED units are arranged, which are arranged next to one another in the longitudinal direction and spaced apart from one another in the longitudinal direction.
  • An LED unit can consist, for example, of a single LED or of an LED cluster with a number of LEDs arranged directly next to one another.
  • the lamp according to the invention also comprises a cover which comprises a light exit section which is arranged along a vertical direction above the circuit board and within the extent of which the circuit board is arranged at least in sections.
  • a cover which comprises a light exit section which is arranged along a vertical direction above the circuit board and within the extent of which the circuit board is arranged at least in sections.
  • the circuit board it is possible for the circuit board to also extend at least in sections beyond the light exit section in the horizontal direction, just as it is also possible for the light exit section to extend in sections in the horizontal direction beyond the circuit board.
  • the cover has wall areas which, starting from the light exit section, extend vertically towards the mounting body and are supported on the mounting body.
  • the LED units are arranged between the wall portions in a transverse direction perpendicular to the longitudinal direction and perpendicular to the vertical direction.
  • the lamp according to the invention also has a stabilizer element which is designed as a one-piece plastic element.
  • the stabilizer element is thus designed to be coherent and preferably non-destructively divisible and in particular is produced directly in one piece.
  • the stabilizer element can be made of polycarbonate, PMMA or silicone, for example. In the case of a desired non-transparent configuration, for example to have a reflective property, it can be made of ABS. In particular, off can also be off be made of different plastic materials.
  • the stabilizer element is arranged between the mounting body and the light-emitting portion of the cover with respect to the vertical direction and has webs which run along the transverse direction between the wall regions which are arranged next to and spaced apart from one another in the longitudinal direction and which are supported on the mounting body.
  • the ridges are spaced vertically from the light exit section by less than 1 mm, in particular less than 0.5 mm, and the light exit section has a thickness along the vertical direction that is less than 3 mm.
  • the thickness of the light exit section is preferably based on the thickness averaged over the transverse extent of the light exit section between the wall regions.
  • the webs particularly preferably extend over at least 20%, in particular at least 50%, of the transverse distance between the wall regions, in particular uninterrupted.
  • the webs are particularly preferably spaced vertically from the light exit section by less than 1 mm over at least 10%, in particular at least 30%, in particular over at least 50% of the transverse distance between the wall regions.
  • the webs are particularly preferably spaced less than 1 mm, in particular less than 0.5 mm, from the light exit section, in that the minimum distance, ie the smallest distance within the transverse extension of the webs, is less than 1 mm.
  • the webs are particularly preferably at least 20%, in particular over at least 50%, in particular at least 70% of their entire transverse extension by less than 1 mm, in particular less than 0.5 mm vertically from the light exit section spaced.
  • the lamp according to the invention has significant advantages compared to lamps of the generic type.
  • the light exit section can be designed with a particularly small thickness, ie strength along the vertical direction, without the stability of the luminaire suffering as a result. This brings with it the advantage that, on the one hand, material can be saved in the production of the cover and, on the other hand, the light losses can be kept as low as possible. Because the webs are supported on the mounting body and run in the transverse direction between the wall areas and are arranged next to one another in the longitudinal direction, the distance between two sections of the light exit section supported on the mounting body can be kept particularly small.
  • the light exit section particularly preferably has a thickness of less than 3 mm averaged over its transverse extension between the wall regions. Particularly preferably, the light exit section has a thickness of less than 3 mm over at least 80% of its longitudinal extension and over at least 80% of its transverse extension between the wall areas.
  • the light exit section particularly preferably extends over at least 80% of the longitudinal extent of the cover.
  • the webs particularly preferably extend over at least 20%, in particular at least 50%, in particular at least 70% of the transverse distance between the wall areas.
  • the webs particularly preferably extend continuously over at least 20%, in particular at least 50%, in particular at least 70% of the transverse distance between the wall regions.
  • the transverse distance between the wall regions in the longitudinal position in which the respective web is located is taken into account.
  • a plurality, in particular each of the webs has a support area with which it is supported on the assembly body.
  • the support area indicates an area along the transverse direction of the web.
  • the support area can be continuous or divided into several partial support areas spaced apart from one another in the transverse direction.
  • the support area is spaced apart from the two wall areas in the transverse direction by less than six times, in particular by less than five times, the thickness of the light exit section explained above, i.e. the extension of the light exit section along the vertical direction.
  • a majority, in particular each of the webs has at least two partial support areas, with a first of the partial support areas being spaced from a first of the two wall areas by less than six times, in particular less than five times the thickness of the light exit section, and a second of the two partial support areas is spaced from a second of the two wall areas by less than six times, in particular less than five times, the thickness of the light exit section.
  • the partial support areas are preferably also spaced apart from one another by less than six times, in particular less than five times, the thickness of the light exit section.
  • the preferred embodiment is based on the finding that the spacing intervals of the areas over which the light exit section is supported on the mounting body must be as small as possible in order to be able to ensure adequate support of the light exit section, whereas such spacing intervals simultaneously take account of the space fixed to the mounting body Arrangement can be taken, for example on the board fixed on the mounting body with electrical components provided thereon.
  • a plurality of the webs are each arranged in the longitudinal direction between two LED units arranged next to one another in the longitudinal direction.
  • Each of these webs is thus arranged between two LED units.
  • this can ensure that the largest possible proportion of the light emitted by the LED units reaches the light exit section.
  • the webs can bring about an optical effect in that they can direct light emitted by the LED units in the longitudinal direction to the side towards the light exit section.
  • the stabilizer element is designed and arranged relative to the LED units and the light exit section in such a way that in an operating state of the lamp according to the invention in which the LED units emit light, at least 50%, in particular at least 80%, in particular at least 95% of that from the LED units emitted light impinges on the stabilizer element or passes through the stabilizer element before reaching the light exit portion of the cover.
  • the one-piece stabilizer element can simultaneously serve to stabilize the cover at the level of the light exit section and to influence the light emission characteristics of the lamp.
  • the stabilizer element can thus be designed as an optical element at the same time.
  • the stabilizer element is particularly preferably designed and arranged relative to the LED units and light exit section such that at least 30% of the light emitted by the LED units in the stated operating state is deflected by the stabilizer element, i.e. undergoes a change in direction before it reaches the light exit section of the cover reached.
  • the stabilizer element has a plurality of optically effective areas, each of which is assigned to exactly one of the LED units, each of the optically effective areas being arranged in the longitudinal direction between two of the webs.
  • the optically effective areas can be designed, for example, as a lens element or as a reflector element, with the optically effective areas, whether they are designed as a lens element or as a reflector element, of course being integrated in one piece in the stabilizer element.
  • some of the optically effective areas are designed as lens elements, others of the optically effective areas as reflector elements.
  • at least some of the optically effective areas, in particular all optically effective areas are designed as a combination of lens and reflector elements.
  • the webs can generally contribute to the fact that the different optically effective areas are each sufficiently assigned to precisely one of the LED units, in particular to such an alignment that the LED unit assigned to the optically effective area is arranged on the optically effective area in such a way that it fulfills the desired light control as well as possible.
  • both LED units and optically effective areas can each be arranged in a grid running in the longitudinal direction.
  • the webs of the stabilizer element can particularly preferably be designed to keep the optical effect caused by the inaccuracy in the alignment of the two grids with respect to one another as small as possible by emitting light, that impinges on them, direct to the respective optically effective area.
  • the stabilizer element has two support webs, by means of which the webs are supported on the mounting body and which connect the webs to one another, the support webs running in the longitudinal direction and being spaced apart from one another in the transverse direction, and with the LED units being positioned between are arranged on the support webs and the support webs are spaced from the wall regions with respect to the transverse direction.
  • the support webs can at least partially, in particular completely, form the support regions of the webs explained above.
  • the support webs connect multiple webs.
  • the support webs have a plurality of partial support webs spaced apart in the longitudinal direction, it also being possible for one partial support web to be arranged on only one web in each case.
  • the supporting webs particularly preferably run over at least 50%, in particular at least 70%, in particular at least 90% of the longitudinal extent of the stabilizer element.
  • the support webs run uninterrupted over the entire area of longitudinal extension of the stabilizer element, in which the webs are arranged.
  • the stabilizer element has clamping devices at its transverse ends, which rest against the wall areas of the cover and via which the stabilizer element is held on the wall areas.
  • the jamming of the stabilizer element between the wall areas can on the one hand further contribute to the stabilization.
  • the clamping of the stabilizer element between the wall areas for holding the stabilizer element on the cover can simplify the manufacturing process of the lamp.
  • a majority, in particular all of the webs form the clamping devices.
  • the clamping devices are particularly preferably realized at least partially by the transverse ends of a plurality of the webs, in particular the webs.
  • the webs particularly preferably have transverse ends running obliquely, so that they rest against the wall regions with only part of their vertical extent.
  • the transversal ends thus run obliquely in the sense that the transversal extent of the webs changes depending on the position along the vertical direction.
  • the webs are particularly preferably designed in such a way that the transverse extension of the webs increases vertically from top to bottom. This can make it particularly easy to insert the stabilizer element between the wall areas.
  • the transversal ends of the webs run conically, so that the transversal extension of the webs tapers from bottom to top.
  • the webs have a web thickness along the longitudinal direction, which decreases towards the top at least in a transversal section of the respective web.
  • the webs can have a particularly good light-guiding effect.
  • the webs are particularly preferably configured in the manner of a prism, at least in transverse sections.
  • This transverse section in which they are designed in the manner of a prism, is preferably in an area around the transverse center of each web; this transverse section preferably extends over at least 30%, in particular at least 50% of the transverse extension length of the web, with the transverse center being within of this transverse section and more preferably the transverse section extends on both transverse sides of the transverse center of the web over at least 40% of its entire transverse length, the transverse section being particularly preferably arranged symmetrically about the transverse center.
  • the webs each have an end region at their two opposite transversal ends, which, starting from the respective transverse end, extends over less than 20% of the transverse extent of the respective web, with each of the webs having a web thickness in its end regions along the longitudinal direction which corresponds to at least twice the thickness averaged over the entire transverse extent of the web and/or which corresponds to at least three times the minimum thickness of the web along the longitudinal direction.
  • the webs thus have an end area that is thickened with respect to the longitudinal direction.
  • the indication of the thickness of the web at a specific transverse position preferably relates to the thickness of the web averaged along the vertical.
  • the webs are particularly preferably configured in the manner of a prism in transverse sections, with the transverse ends not being configured in the manner of a prism, at least in sections. This can have the particular advantage that the transversal ends can be designed to be particularly robust, whereas in the transversal section, which is designed in the manner of a prism, a preferred light-guiding effect of the webs can be achieved.
  • the stabilizer element preferably rests on the circuit board and is supported on the mounting body via the circuit board.
  • the wall areas can fly out on the circuit board and be supported on the mounting body via the circuit board.
  • the circuit board particularly preferably has cutouts that are aligned with cutouts provided in the mounting body, with the wall areas of the cover having fixing areas with which they reach through these cutouts and clamp the cover relative to the mounting body and circuit board, while the wall areas are adjacent to the cutouts in the circuit board lie on the plate.
  • the light exit section extends transversally beyond the wall areas, forming side light exit areas.
  • the light exit portion thus has a central exit area provided transversally between the wall portions and side light exit areas provided transversally outside of the space between the wall portions.
  • the light exit section has a first lateral light exit area, which is arranged on a first transverse side of the central exit area and thus projects transversely over the wall areas on this side, and a second lateral light exit area, which is arranged on a second transverse side of the central exit area and thus transversely on this side protrudes over the wall areas.
  • the side light exit areas have a structure on their underside facing the mounting body, in particular a prismatic structure, to ensure internal reflection of light coupled into the side light exit areas.
  • Light from the LED units is particularly preferably coupled into the cover exclusively between the two wall areas, with the light also reaching the side light exit areas by directing the light within the cover.
  • the light exit section particularly preferably has two contours running in the longitudinal direction on its upper side, which run between a central area running between the side light exit areas and horizontally along the LED units and the side light exit areas.
  • the contours run at the level of the wall areas with respect to the transverse direction.
  • these contours can produce a visual delimitation of the center exit area from the side light exit areas on the upper side and thus, as intended, on the outside of the cover and can be advantageous in particular in terms of production technology.
  • such contours can contribute to directing the light within the cover.
  • the light exit section has a light-directing structure on its upper side and/or on its underside for influencing a Light emission angle of the light emerging from the light exit area, which was previously emitted by the LED units.
  • This light-directing structuring can be a prismatic structuring, for example.
  • Such structures are particularly preferably provided on the top and bottom.
  • the invention also relates to a set for realizing a lamp according to the invention.
  • the set comprises a mounting body, a circuit board with a plurality of LED units arranged next to one another and spaced apart from one another in the longitudinal direction, a cover and a number of stabilizer elements which are each formed as a one-piece plastic element which has webs arranged next to one another and spaced apart from one another in the longitudinal direction.
  • at least one of the stabilizer elements is arranged between the mounting body and a light exit section of the cover, and the cover is on wall areas that extend vertically from the light exit section towards the mounting body supported by the mounting body.
  • the various stabilizer elements differ in shape and/or in the material from which they are made to ensure different optical properties of the stabilizer elements.
  • a stabilizer element can have optically effective areas that are configured as lens elements, while another stabilizer element is optical has effective areas that are designed as a reflector element.
  • a stabilizer element can be made of transparent PMMA, while another stabilizer element is made of colored PMMA.
  • a stabilizer element can be made of transparent polycarbonate, while another stabilizer element is made of two different materials, with the optically effective areas of this stabilizer element being made of polycarbonate and the webs being made of silicone.
  • at least one of the stabilizer elements can be produced by a 2-component injection molding process or by overmolding a base element with another element.
  • the invention also relates to a method for producing a lamp according to the invention.
  • the stabilizer element in a first method step, is fixed between the wall regions of the cover, in particular clamped, and then the cover is fixed to the assembly body together with the stabilizer element fixed to it.
  • the circuit board is also fixed vertically on the mounting body between the stabilizer element and the mounting body.
  • the circuit board is fixed to the mounting body independently of the cover.
  • the circuit board is fixed to the mounting body by means of the cover.
  • the circuit board is fixed to the mounting body on the one hand via devices independent of the cover and on the other hand via the cover.
  • FIG 1 the cover 1, the board 2 with LED units 3 and the stabilizer element 4 of a lamp according to the invention are shown schematically.
  • figure 2 are the stabilizer element 4 and the board 2 according to figure 1 shown in detail. Below are the figures 1 and 2 explained together.
  • the cover 1 has a light exit section 100 which in turn has two lateral light exit areas 102 and a central exit area 101 .
  • Contours 103 are provided on the upper side of the light exit section 100 , which run along the longitudinal direction X with respect to the transverse direction Y between the side light exit areas 102 and the central exit area 101 .
  • the cover 1 also has two wall areas 11 which, starting from the light exit section 100, extend vertically downwards.
  • the two light exit regions 102 each extend in relation to the transverse direction Y next to the wall regions 11, while the central exit region 101 extends in relation to the transverse direction Y between the wall regions 11.
  • the contours 103 are with respect to the Transverse direction Y provided at the level of the wall areas 11.
  • the wall areas 11 are on the circuit board 2 on.
  • the board 2 In the operating position of a lamp according to the invention, the board 2 is fixed to a mounting body in the figures 1 and 2 is not shown, so that the wall areas 11 are supported on the circuit board 2 on the mounting body.
  • the stabilizer element 4 In the transversal direction Y between the two wall areas 11 is on the one hand the stabilizer element 4 and on the other hand the LED units 3 which are provided on the circuit board 2 are arranged.
  • an LED unit 3 includes exactly one LED.
  • the stabilizer element 4 has a plurality of webs 40 which extend along the transverse direction Y between the wall regions 11 and which are arranged next to one another and at a distance from one another with respect to the longitudinal direction X.
  • An optically effective area 42 is provided between each two webs 40 .
  • the optically effective area 42 is designed as a lens element.
  • Each optically effective area 42 extends vertically over exactly one LED unit 3 and is therefore assigned to exactly one of the LED units 3 .
  • the webs 40 each have a transverse section 401 in which they are formed in the manner of a prism and in which the webs taper along the vertical direction Z from bottom to top.
  • the webs 40 also have end regions 402, in which the webs 40 have a significantly greater thickness along the longitudinal direction X than in the transverse section 401.
  • the end regions 402 contribute to the particular stability of the stabilizer element 4.
  • the end areas 402 form the transverse ends of the webs 40 . These transversal ends run obliquely with the formation of clamping devices 403, with which the webs 40 and here the stabilizer element 4 rest on the inside of the wall areas 11 with a contact pressure, whereby the stabilizer element 4 is held relative to the cover 1.
  • the stabilizer element 4 also has support webs 41, via which the stabilizer element 4 is supported on the assembly body, not shown.
  • the supporting webs 41 are designed to be continuous over the longitudinal extent of the stabilizer element 4 and connect the webs 40 to one another.
  • the support webs 41 can be provided separately on each individual web 40 .
  • the supporting webs 41 lie transversely next to the LED units 3 on the board 2 .
  • the supporting webs 41 only have such a small vertical extent and are spaced so far from the LED units that less than 5%, in this case and generally preferably less than 2% of the LED units 3 emitted light impinges on them, so that they practically do not affect the light emission characteristics of the lamp.
  • the support webs 41 form the support areas via which the webs 40 are supported on the assembly body.
  • the support webs 41 are each spaced apart from the associated wall area 11 by less than four times the thickness of the central outlet section 101 .
  • the support webs 41 are also spaced apart from one another in the transverse direction Z by less than four times the thickness of the central outlet region 101 . This ensures that the center exit area 101, and thus the transverse section 101 of the light exit section 100 extending between the wall areas 11, is adequately supported on the mounting body.
  • the side light exit regions 102 have a prismatic structure on their underside. This ensures that Light that has been coupled into the side light exit areas 102 is reflected internally in the side light exit areas 102, as a result of which a higher light yield on the upper side of the cover 1 is realized.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (14)

  1. Luminaire allongé dans une direction longitudinale comprenant une platine (2) disposée sur un corps de montage avec plusieurs unités LED (3) disposées les unes à côté des autres et à distance les unes des autres dans la direction longitudinale (X) et un couvercle (1), le couvercle (1) comprenant une zone de sortie de lumière (100) qui est disposée verticalement au-dessus de la platine (2) et à l'intérieur de l'extension horizontale de laquelle la platine (2) est disposée au moins par sections, le couvercle (1) présentant des zones de paroi (11) qui, partant de la zone de sortie de lumière, s'étendent verticalement vers le corps de montage et sont supportées sur le corps de montage, les unités LED (3) étant disposées entre les zones de paroi (11) par rapport à une direction transversale (Y) qui s'étend perpendiculairement à la direction longitudinale (X) et perpendiculairement à la direction verticale (Z),
    caractérisé en ce que
    le luminaire comprend un élément stabilisateur (4) qui est un élément en matière plastique d'une seule pièce, qui est disposé entre le corps de montage et la zone de sortie de lumière du couvercle (1) et qui présente des nervures (40) qui s'étendent le long de la direction transversale (Y) entre les zones de paroi (11), qui sont juxtaposées et espacées les unes des autres dans la direction longitudinale (X) et qui sont supportées sur le corps de montage, les nervures (40) étant espacées verticalement de moins de 1 mm de la zone de sortie de lumière, et la zone de sortie de lumière présentant une épaisseur le long de la direction verticale (Z) de moins de 3 mm.
  2. Luminaire selon la revendication 1,
    caractérisé en ce que
    au moins une pluralité des nervures (40) présente une zone de support par laquelle elle est supportée sur le corps de montage, et, au moins pour la pluralité des nervures (40), la zone de support étant espacée des deux zones de paroi (11) dans la direction transversale (Y) de moins de six fois, en particulier de moins de cinq fois l'épaisseur de la zone de sortie de lumière le long de la direction verticale (Z).
  3. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    au moins une pluralité des nervures (40) sont disposées, par rapport à la direction longitudinale (X), respectivement entre deux unités LED (3) disposées côte à côte dans la direction longitudinale (X).
  4. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    au moins 50%, en particulier au moins 80%, en particulier au moins 95% de la lumière émise par les unités LED (3) est incidente sur l'élément stabilisateur (4) ou passe à travers l'élément stabilisateur (4) avant d'arriver à la zone de sortie de lumière du couvercle (1).
  5. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'élément stabilisateur (4) présente plusieurs zones optiquement actives, dont chacune est associée exactement à l'une des unités LED (3), chacune des zones optiquement actives (42) étant disposée dans la direction longitudinale (X) entre respectivement deux nervures (40).
  6. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'élément stabilisateur (4) présente deux nervures de support (41) au moyen desquelles les nervures (40) sont supportées sur le corps de montage, les nervures de support (41) s'étendant dans la direction longitudinale (X) et étant disposées à distance les unes des autres dans la direction transversale (Z), les unités LED (3) étant disposées entre les nervures de support (41) et les nervures de support (41) étant espacées des zones de paroi (11).
  7. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'élément stabilisateur (4) présente à ses extrémités transversales des dispositifs de serrage (403) qui s'appliquent contre les zones de paroi (11) et par lesquels l'élément stabilisateur (4) est maintenu contre les zones de paroi (11), une pluralité de nervures (40) formant en particulier les dispositifs de serrage (403) et ces nervures (40) présentant à cet effet des extrémités transversales inclinées, de sorte qu'elles ne s'appliquent que par une partie de leur extension verticale contre les zones de paroi (11).
  8. Luminaire selon l'une des revendications précédentes,
    caractérisé en ce que
    les nervures (40) présentent une épaisseur le long de la direction longitudinale (X) qui diminue verticalement vers le haut, les nervures (40) étant notamment conçues au moins par sections transversales à la manière d'un prisme.
  9. Luminaire selon l'une des revendications précédentes,
    caractérisé en ce que
    les nervures (40) présentent chacune, à leurs deux extrémités transversales opposées, une zone d'extrémité (402) qui s'étend, à partir de l'extrémité transversale respective, sur moins de 20% de l'étendue transversale de la nervure (40) respective, chacune des nervures (40) présentant dans ses zones d'extrémité (402) une épaisseur de nervure le long de la direction longitudinale (X) qui correspond au moins au double de l'épaisseur moyenne sur toute l'extension transversale de la nervure (40) et/ou au moins au triple de l'épaisseur minimale le long de la direction longitudinale (X).
  10. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'élément stabilisateur (4) repose sur la platine (2) et s'appuie sur le corps de montage par l'intermédiaire de la platine (2).
  11. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la zone de sortie de lumière (100) s'étend transversalement au-delà de la zone de paroi (11) en formant des zones de sortie de lumière latérales (102), les zones de sortie de lumière latérales (102) présentant en particulier sur leur face inférieure tournée vers le corps de montage une texture, en particulier une texture prismatique, pour garantir une réflexion interne de la lumière couplée dans les zones de sortie de lumière latérales (102), la zone de sortie de lumière (100) présentant en particulier sur sa face supérieure deux contours (103) s'étendant dans la direction longitudinale (X), qui s'étendent entre une zone de sortie centrale (101) s'étendant entre les zones de sortie de lumière latérales (102) et horizontalement le long des unités LED (3) et les zones de sortie de lumière latérales (102).
  12. Luminaire selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la zone de sortie de lumière présente, sur sa face supérieure et/ou sur sa face inférieure, une texture de guidage de la lumière pour influencer un angle de rayonnement de la lumière sortant de la zone de sortie de lumière, qui a été préalablement émise par les unités LED (3).
  13. Kit pour la réalisation d'un luminaire selon l'une des revendications précédentes, le kit comprenant un corps de montage, une platine (2) avec plusieurs unités LED (3) disposées les unes à côté des autres et à distance les unes des autres dans la direction longitudinale (X), un couvercle (1) ainsi que plusieurs éléments stabilisateurs (4) qui sont réalisés chacun sous la forme d'un élément en matière plastique d'une seule pièce, qui présente, dans la direction longitudinale (X), des nervures (40) disposées les unes à côté des autres et à distance les unes des autres, l'élément stabilisateur (4) étant disposé, dans une position de fonctionnement dans laquelle le luminaire est réalisé, entre le corps de montage et une zone de sortie de lumière du couvercle (1), et le couvercle (1) étant supporté sur le corps de montage par des zones de paroi (11) étant muni de zones de paroi (11) s'étendant verticalement vers le corps de montage en partant de la zone de sortie de lumière (100), les nervures (40) s'étendant le long de la direction transversale (Y) entre les zones de paroi (11) et étant supportées sur le corps de montage, les nervures (40) étant espacées verticalement de moins de 1 mm de la zone de sortie de la lumière, et la zone de sortie de la lumière ayant une épaisseur inférieure à 3 mm, les différents éléments stabilisateurs (4) se différenciant par leur forme et/ou par le matériau dans lequel ils sont fabriqués, afin de garantir des propriétés optiques différentes des éléments stabilisateurs (4).
  14. Procédé de fabrication d'un luminaire selon l'une quelconque des revendications 1 à 12,
    caractérisé en ce que
    dans une étape du procédé, l'élément stabilisateur (4) est fixé entre les zones de paroi (11) du couvercle (1) et ensuite le couvercle (1) est fixé sur le corps de montage conjointement avec l'élément stabilisateur (4) fixé sur lui, la platine (2) étant fixée verticalement sur le corps de montage entre l'élément stabilisateur (4) et le corps de montage.
EP19214074.7A 2018-12-07 2019-12-06 Stabilisateur à lentille anti-éblouissement Active EP3663635B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018131402.7A DE102018131402A1 (de) 2018-12-07 2018-12-07 Entblendeter Linsenstabilisator

Publications (2)

Publication Number Publication Date
EP3663635A1 EP3663635A1 (fr) 2020-06-10
EP3663635B1 true EP3663635B1 (fr) 2022-08-24

Family

ID=68808140

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Application Number Title Priority Date Filing Date
EP19214074.7A Active EP3663635B1 (fr) 2018-12-07 2019-12-06 Stabilisateur à lentille anti-éblouissement

Country Status (2)

Country Link
EP (1) EP3663635B1 (fr)
DE (1) DE102018131402A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8809692U1 (de) * 1988-07-29 1988-09-22 Herbert Waldmann GmbH & Co, 7730 Villingen-Schwenningen Deckenleuchte mit Entblendungsvorrichtung
DE10245933B4 (de) * 2002-09-30 2013-10-10 Osram Opto Semiconductors Gmbh Einrichtung zur Erzeugung eines gebündelten Lichtstroms
DE102007046339A1 (de) * 2007-09-27 2009-04-02 Osram Opto Semiconductors Gmbh Lichtquelle mit veränderlicher Abstrahlcharakteristik
DE202008011979U1 (de) * 2008-04-01 2008-12-11 Lebensstil Technology Co., Ltd. Montageanordnung eines Leuchtkörpers
DE102013207175B4 (de) * 2013-04-19 2023-07-13 Trilux Gmbh & Co. Kg Leuchtengehäuse korrespondierend mit einem Leuchtenmodul, Leuchte und Verfahren zur Herstellung einer Leuchte
DE102013219333A1 (de) * 2013-09-25 2015-03-26 Osram Gmbh LED-Leuchte
CN104654105A (zh) * 2013-11-19 2015-05-27 鸿富锦精密工业（深圳）有限公司 Led路灯
DE102014202461A1 (de) * 2014-02-11 2015-08-13 Zumtobel Lighting Gmbh Längliche mehrteilige Linsenanordnung sowie Leuchte mit einer solchen Linsenanordnung
DE102014115825A1 (de) * 2014-10-30 2016-05-04 Itz Innovations- Und Technologiezentrum Gmbh Leuchtenbaugruppe mit optischem Element

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Publication number Publication date
EP3663635A1 (fr) 2020-06-10
DE102018131402A1 (de) 2020-06-10

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