EP2758710B1 - Luminaire, notamment luminaire pour locaux humides à étanchéité améliorée - Google Patents

Luminaire, notamment luminaire pour locaux humides à étanchéité améliorée Download PDF

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Publication number
EP2758710B1
EP2758710B1 EP12761965.8A EP12761965A EP2758710B1 EP 2758710 B1 EP2758710 B1 EP 2758710B1 EP 12761965 A EP12761965 A EP 12761965A EP 2758710 B1 EP2758710 B1 EP 2758710B1
Authority
EP
European Patent Office
Prior art keywords
light
led
carrier element
lamp
luminaire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12761965.8A
Other languages
German (de)
English (en)
Other versions
EP2758710A1 (fr
Inventor
Gerald Ladstätter
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.)
Zumtobel Lighting GmbH Austria
Original Assignee
Zumtobel Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2758710A1 publication Critical patent/EP2758710A1/fr
Application granted granted Critical
Publication of EP2758710B1 publication Critical patent/EP2758710B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/04—Resilient mountings, e.g. shock absorbers 
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • 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 a luminaire having a carrier element, at least one LED (LED: light emitting diode), which is held on the carrier element, a light influencing element for optically influencing a light emitted by the at least one LED and a sealing element sealingly between the carrier element and the Light influencing element is arranged. Moreover, the invention relates to a method for producing a corresponding lamp.
  • LED light emitting diode
  • Such a luminaire is known from the prior art in the form of a moisture lamp, as a luminaire in which the components are to be protected from moisture.
  • a common wet room light as for example from the Scriptures DE 10 2005 058 935 A1 is known, has an elongated trough-shaped housing, as well as a translucent cover, which is connected by means of a circumferentially annular seal moisture-tight with the housing.
  • a light source is mounted, whereby hitherto, as a rule, fluorescent lamps have been used as light-emitting means.
  • the well-known wet room light is relatively large and their cooling behavior bad. Cooling the interior may cause a suction effect that is so strong that moisture penetrates despite the seal.
  • the sealing path between the housing and the cover is comparatively long. The mentioned suction effect is particularly pronounced if the housing is dimensionally stable.
  • the housing is usually formed by a U-shaped aluminum body, in which the LEDs are arranged.
  • the housing is closed by a light-permeable cover, whereby it is particularly problematic here, the connection between housing and cover to make moisture-tight.
  • the end-side end portions of the housing must be made correspondingly dense.
  • WO 2011/011734 A1 From the WO 2011/011734 A1 is a luminaire with an LED board known as a light source; the light source is covered by a light-forming panel. Between the LED board and the panel, a sealing element is glued.
  • LED lights with a light influencing element and a sealing element are from the writings WO 2006/077400 A1 and WO 2007/131123 A2 known.
  • the invention has for its object to provide a corresponding improved luminaire.
  • the lamp should be able to provide better protection against the ingress of moisture.
  • a manufacturing method for such a lamp is to be specified.
  • a luminaire in particular a moisture-proof luminaire, which has a carrier element, and at least one LED, which is held on the carrier element. Furthermore, the luminaire has a light influencing element for optically influencing a light emitted by the at least one LED, and a sealing element which is arranged in a sealing manner between the carrier element and the light influencing element.
  • the sealing element is not reversibly detachably connected to both the carrier element, as well as with the light influencing element.
  • the sealing element is not reversibly releasably connected to the carrier element and the light influencing element
  • the connection between the carrier element and the light influencing element can be designed to be particularly dense that penetration of moisture is better prevented.
  • a potentially existing air-filled interior of the lamp around the at least one LED around can be made so small in any case in this way, so that a corresponding suction effect can develop virtually no significant effect.
  • the sealing element consist of a foam material.
  • a polyurethane material may be used.
  • the sealing element - after completion of the lamp - has a certain flexibility, so that it deforms in temperature fluctuation caused different changes in length of the support member on the one hand and the light influencing element on the other hand so that the risk of gap formation extremely small or is practically excluded.
  • a particularly precise influencing of the light emitted by the at least one LED in the space outside the luminaire can be achieved if the luminaire has such an outer surface as provided according to the invention such that the light influencing element forms a partial area of the outer surface. In addition, this is a high lighting efficiency can be achieved.
  • the sealing element forms a further subregion of the outer surface.
  • the lamp can be particularly well shockproof.
  • the further subregion of the outer surface, which is formed by the sealing element particularly suitably has an outward curvature for this purpose.
  • the carrier element forms an even further portion of the surface of the luminaire.
  • the carrier element is designed as a heat sink for cooling the at least one LED.
  • the lamp is designed such that the sealing element surrounding the at least one LED annular closed. This allows a particularly good protection of at least one LED and a particularly good tightness.
  • the lamp also has an electrical component for operating the at least one LED, for example in the form of an operating device or a terminal, wherein the electrical component is preferably at least partially encased by the sealing element.
  • the lamp can be connected to handle particularly easy to handle;
  • a method for producing a luminaire comprising the following steps: (i) producing a carrier element with at least one LED supported on the carrier element, (ii) producing a light influencing element for optically influencing one of the at least an LED to be emitted light and (iii) arranging the carrier element and the light influencing element in a mutually provided relative position.
  • the method comprises the further step of (iv) foaming or encapsulating the carrier element and the light influencing element with a material for forming a sealing element between the carrier element and the light influencing element.
  • a foam material in particular a polyurethane material is used as the material.
  • the degree of hardness can be adjusted well.
  • the light-influencing element and / or the carrier element is only partially foamed or encapsulated.
  • step (iii) the carrier element and the light influencing element are inserted into a tool that can be closed.
  • the foaming or encapsulation is particularly good form-bound allows. If the foaming or encapsulation takes place by means of a form, the outer surface of the luminaire can be designed particularly simply in a targeted manner.
  • the method is used to produce a lamp according to the invention.
  • Fig. 1 is a perspective sketch of the embodiment of a lamp according to the invention shown.
  • the luminaire may be a wet room luminaire.
  • the lamp may be a total of elongated and accordingly along a longitudinal axis L extend.
  • Fig. 2 shows a cross-sectional view in the form of a sectional view of the lamp transverse to the longitudinal axis L.
  • the lamp has a support member 2, which may be formed in particular as a profile element, which is preferably arranged extending along the longitudinal axis L.
  • the carrier element 2 may be made of aluminum.
  • the lamp has at least one LED 4, which forms a light source of the lamp.
  • the lamp may have a plurality of LEDs, for example, along a line, for example, are arranged parallel to the longitudinal axis L.
  • the luminaire has a first section 3, in which LEDs are located, and a second section 5, in which there are no LEDs.
  • the at least one LED 4 is supported on the carrier element 2.
  • the at least one LED 4 may be arranged on a circuit board 6, the circuit board 6 being arranged on the carrier element 2, preferably directly on the carrier element 6.
  • the lamp has a light influencing element 8, which is designed to influence optically a light emitted by the at least one LED 4.
  • the light-influencing element 8 may for example comprise at least one single lens 83 and / or at least one reflector (not shown in the figures), for example one single lens per LED, it may also have lens groups.
  • the light-influencing element 8 can be designed as a profile element, which is preferably arranged to extend along the longitudinal axis L.
  • the light influencing element 8 may consist of plastic; It can be designed as a molded part.
  • the light influencing element 8 is formed from one piece, that is, formed in one piece. This allows easier manufacture of the lamp; Moreover, this is with respect to the tightness of the lamp advantage.
  • the light-influencing element 8 can also be designed in several parts, for example, as each of the LEDs associated lenses or lens arrays covered with a disc.
  • the light-influencing element 8 is mechanically held on the carrier element 2, for example via a latching connection.
  • the light-influencing element 8 for this purpose has latching elements 102 in the form of snap-on hooks which are arranged in such a way that they engage behind in a latching manner on the shoulder sections 23 formed on the carrier element 2.
  • the lamp has a sealing element 10, which is sealingly arranged between the carrier element 2 and the light influencing element 8.
  • the sealing element 10 is connected both to the carrier element 2 and to the light-influencing element 8 such that it can not be reversibly released. This may in particular be a cohesive and / or positive connection.
  • the sealing element 10 consists of a foam material, in particular polyurethane is particularly suitable.
  • the sealing element 10 may be formed or produced by foaming or encapsulation of the carrier element 2 and of the light influencing element 8.
  • the sealing element 10 is preferably made of a molded foam, in particular with a crosslinked surface.
  • the luminaire has an outer surface, the design being such that the light influencing element 8 forms a portion 81 of the outer surface.
  • the light emitted by the at least one LED 4 leaves the light through the sub-region 81 into the space outside the light.
  • the effect of the light influencing element 8 can thereby be designed in a particularly targeted manner.
  • the lamp is provided for a delivery of the output from the at least one LED 4 light in the lower half space, wherein the portion 81 accordingly at an intended for the operation alignment of the lamp - as shown in FIG Fig. 2 - points downwards.
  • the luminaire can also be provided for a different orientation. In the present description, however, it is assumed that said orientation with a light output in the lower half space. The directions are accordingly to be reinterpreted accordingly.
  • the light influencing element 8 is arranged such that it directly adjoins the circuit board 6, on which the at least one LED 4 is arranged, that contacts the circuit board 6, and preferably - with respect to the at least one LED 4 - at two opposite contact points or short points 61, 62 of the board 6.
  • the design may be such that the light-influencing element 8 contacts the circuit board 6, for example, at the two points 61, 62 with an end region opposite the partial region 81.
  • the light-influencing element 8 preferably contacts the printed circuit board 6 in a contact region extending in a closed annular manner around the at least one LED 4, which may in particular comprise the two points 61, 62.
  • the light influencing element 8 also form a particularly effective protection for the at least one LED 4.
  • this inner space 7 is so small that, viewed in a section transverse to the longitudinal axis L , it has a diameter d which is less than 4 cm, preferably less than 2 cm.
  • the interior 7 is preferably dimensioned such that for the diameter d compared to a diameter D of the lamp in the section under consideration: d ⁇ D / 2, preferably d ⁇ D / 4. This dimensioning can practically rule out that due a cooling of an air in the interior space 7 moisture is sucked from the outer region of the lamp in the interior 7.
  • the sealing element 10 forms a further portion 101 of the outer surface of the lamp.
  • the lamp can be particularly well shockproof.
  • the further subarea 101 has an outward curvature.
  • Fig. 2 For example, it can be seen, in each case a corresponding curvature formed on two opposite sides of the lamp.
  • the sealing element 10 is preferably designed in such a way that it forms a peripheral region R of the luminaire, in particular also with respect to the longitudinal axis L, in the region of the two end-side end regions S, S ' of the further partial region 101 Luminaire is formed. Accordingly, no separate end elements for the lamp are required.
  • the edge region R is formed annular closed; This makes it possible to achieve a particularly good impact resistance of the luminaire. Even a risk of breakage can be practically excluded by such use of the sealing element 10.
  • the sealing element 10 is designed such that it surrounds the at least one LED 4 in an annular closed, for example in the form of the edge region R.
  • the sealing element 10 may be formed according to its function of a non-translucent material.
  • the sealing element 10 preferably extends from the outside inwards to the two points 61, 62 at which the light-influencing element 8 contacts the board 6 or up to the annular contact area between the light-influencing element 8 and the board 6 around the at least one LED 4 around.
  • the carrier element 2 is preferably designed as a heat sink for cooling the at least one LED 4. Appropriately, this is the at least one LED 4 - connected via the board 6 - good thermal conductivity with the support member 2. Accordingly, the carrier element 2 can expediently, as already mentioned, consist of aluminum. A design of the carrier element 2 as an aluminum part or aluminum profile is also advantageous with respect to a good stability of the lamp.
  • the carrier element 2 can form an even further subregion 21 of the outer surface of the luminaire, in particular a subarea which points in the intended for operation alignment of the luminaire to the upper half-space. This supports a particularly effective heat dissipation.
  • the carrier element 2 can have at least a cooling fin 22, the projecting preferably extends upward, for example, a cooling fin 22 and a further cooling fin 22 ', which are arranged opposite with respect to the longitudinal axis L and is preferably parallel extend to the longitudinal axis L.
  • Fig. 2 shows a section through the lamp transverse to the longitudinal axis L at the level of at least one LED 4. As is apparent from the drawing, it can be provided that, viewed in this section, the outer contour of the lamp only by the first-mentioned portion 81, the other Part area 101 and the still further portion 21 is formed.
  • the sealing element 10 may be designed such that it contributes significantly to the external appearance of the lamp or constitutes an essential part of the shape of the lamp.
  • the sealing element 10 can thus be formed quasi a housing of the lamp. Only the "function-afflicted" surfaces formed by the first-mentioned partial region 81 and the still further partial region 21 are not foamed.
  • Fig. 2 shows a cross section through the lamp, at a position with respect to the longitudinal axis L in the, in Fig. 1 designated, first section 3 is located, that is, in a section in which the at least one LED 4 is arranged.
  • Fig. 3A shows a schematic sketch of the lamp in the second section 5, in which there are no LEDs.
  • an electrical or electronic component for operating the at least one LED 4 is arranged in this section 5.
  • the electrical component may comprise, for example, a device box as a protective housing for electrical or electronic components.
  • the electrical component may be, for example, an operating device 12.
  • the component is arranged supported on the support element 2.
  • Fig. 3B shows a sectional view of the lamp in the region of at least one LED 4, in which a view of the operating device 12 is shown.
  • the electrical component or the operating device 12 can be arranged particularly deeply, that is, for example, partially recessed with respect to the carrier element 2, for which purpose a passage opening can be provided in the carrier element 2 , In this way, the light can be designed with a particularly small height H.
  • this arrangement is advantageous because the delivery of the heat generated by the LEDs during operation of the lamp via the support member 2 by the component or the operating device 12 is particularly little affected.
  • section 5 is not required and it can achieve a continuous line of light on the underside of the lamp.
  • the electrical component for operating the at least one LED 4 preferably comprises a connection terminal for the electrical power supply of the luminaire. This makes it possible for a user of the lamp to connect in a particularly comfortable or convenient way the lamp for power with an external power cable.
  • the electrical component can also consist of a terminal.
  • sealing element 10 at least partially surrounds the electrical component.
  • the sealing element 10 surrounds the component annularly closed contacting, for example, also not reversibly detachable, so that the terminal is accessible from the outside for the production of power connection, on the other hand, the electrical component surrounded by the sealing element 10 directly or encased is.
  • the lamp Stromleitopathy for example in the form of wires to power the at least one LED 4, which are electrically connected on the one hand to the electrical component and on the other hand with the at least one LED 4, wherein the Stromleitide at least partially, preferably completely from the Sealing element 10 are surrounded.
  • a method is provided according to the invention, in which, in a first step (i), the carrier element 2 is produced with the at least one LED 4 mounted thereon.
  • the board 6 can be arranged as intended.
  • the light-influencing element 8 is produced.
  • the carrier element 2 and the light influencing element 8 are arranged in their intended mutual relative positioning.
  • the light-influencing element 8 can be connected to the carrier element 2 in a latching manner by means of the snap hooks 102.
  • This latching connection between the carrier element 2 and the light-influencing element 8 is preferably configured in such a way that the light-influencing element 8 is produced when the connection is made or when the connection is closed is pressed with the points 61, 62 and the annular contact area against the board 6, so that in this way the inner space 7 is formed.
  • the carrier element 2 and the light influencing element 8 are foamed or encapsulated with a material for forming the sealing element 10.
  • the material is introduced into the free spaces between the carrier element 2 and the light influencing element 8 and the circuit board 6, but not into the interior space 7.
  • the support element 2 and the light influencing element 8 are preferably inserted into a closing tool, which then in the fourth step (iv) makes it particularly well possible to effect a molded-on or overmolding.
  • the light-influencing element 8 is not completely surrounded by the material, but only partially, so that the first-mentioned partial region 81 remains free. The same applies with respect to the carrier element 2 and the still further portion 21.
  • connection elements which serve to power the at least one LED 4, also positioned as provided for the finished luminaire and the fourth step (iv) then also foamed or overmoulded with the material.
  • the shape of the lamp is not limited to an elongated shape.
  • the shape of the lamp can basically be chosen arbitrarily, so for example, a round or rectangular lamp can be realized.
  • the carrier element 2 can be advantageously provided, for example, by an aluminum die-cast part or aluminum extruded part.
  • a plastic can in principle also be used; this can then be injected according to a conventional injection molding process for the production of the sealing element 10.
  • a plastic with respect to the risk of splitting at different length extensions of the individual components is less advantageous. If the material, as stirred out above, has a certain flexibility, this is better for the tightness of the lamp.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (11)

  1. Luminaire, plus particulièrement luminaire pour local humide, comprenant :
    - un élément porteur (2),
    - au moins une LED (4), maintenue sur l'élément porteur (2),
    - un élément de contrôle de lumière (8) pour le contrôle optique d'une lumière émise par l'au moins une LED (4),
    - un élément d'étanchéité (10) qui est disposé de manière étanche entre l'élément porteur (2) et l'élément de contrôle de lumière (8),
    l'élément d'étanchéité (10) étant relié de manière amovible non réversible aussi bien avec l'élément porteur (2) qu'avec l'élément de contrôle de lumière (8),
    le luminaire présentant une surface externe de façon à ce que l'élément de contrôle de la lumière (8) constitue une zone partielle (81) de la surface externe,
    caractérisé en ce que
    l'élément d'étanchéité (10) constitue une autre zone partielle (101) de la surface externe, l'autre zone partielle (101) présentant une courbure orientée vers l'extérieur.
  2. Luminaire selon la revendication 1, dans lequel l'élément d'étanchéité (10) est constitué d'un matériau de type mousse, par exemple d'un matériau de type polyuréthane.
  3. Luminaire selon la revendication 1 ou 2, dans lequel l'élément porteur (2) constitue encore une autre zone partielle (21) de la surface externe.
  4. Luminaire selon l'une des revendications précédentes, dans lequel l'élément porteur (2) est conçu comme un corps de refroidissement de l'au moins une LED (4).
  5. Luminaire selon l'une des revendications précédentes, qui est conçu de façon à ce que l'élément d'étanchéité (10) entoure de manière annulaire l'au moins une LED (4).
  6. Luminaire selon l'une des revendications précédentes, comprenant en outre un composant électrique pour l'exploitation de l'au moins une LED (4), par exemple sous la forme d'un appareil d'exploitation (12) ou d'une borne de raccordement, le composant électrique étant de préférence entouré au moins partiellement par l'élément d'étanchéité (10).
  7. Procédé de fabrication d'un luminaire selon l'une des revendications 1 à 6, comprenant les étapes suivantes :
    (i) fabrication d'un élément porteur (2) avec au moins une LED (4) maintenue sur l'élément porteur (2),
    (ii) fabrication d'un élément de contrôle de la lumière (8) pour le contrôle optique d'une lumière émise par l'au moins une LED (4),
    (iii) disposition de l'élément porteur (2) et de l'élément de contrôle de la lumière (8) dans une position relative prévue,
    caractérisé par l'étape supplémentaire suivante :
    (iv)moussage ou injection de l'élément porteur (2) et de l'élément de contrôle de la lumière (8) avec un matériau pour la formation d'un élément d'étanchéité (10) entre l'élément porteur (2) et l'élément de contrôle de la lumière (8).
  8. Procédé selon la revendication 7, un matériau de type polyuréthane étant utilisé comme matériau moussant.
  9. Procédé selon la revendication 7 ou 8, uniquement l'élément de contrôle de la lumière (8) et/ou l'élément porteur (2) étant partiellement moussé ou injecté lors de l'étape (iv).
  10. Procédé selon l'une des revendications 7 à 9, dans lequel, à l'étape (iii), l'élément porteur (2) et l'élément de contrôle de la lumière (8) sont insérés dans un outil qui se ferme.
  11. Procédé selon l'une des revendications 7 à 10, dans lequel, à l'étape (iv) le moussage ou l'injection a lieu en fonction de la forme.
EP12761965.8A 2011-09-23 2012-09-17 Luminaire, notamment luminaire pour locaux humides à étanchéité améliorée Not-in-force EP2758710B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011083273A DE102011083273A1 (de) 2011-09-23 2011-09-23 Leuchte, insbesondere Feuchtraumleuchte, mit verbesserter Dichtung
PCT/EP2012/068210 WO2013041474A1 (fr) 2011-09-23 2012-09-17 Luminaire, notamment luminaire pour locaux humides à étanchéité améliorée

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EP2758710A1 EP2758710A1 (fr) 2014-07-30
EP2758710B1 true EP2758710B1 (fr) 2016-08-03

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EP (1) EP2758710B1 (fr)
DE (1) DE102011083273A1 (fr)
WO (1) WO2013041474A1 (fr)

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* Cited by examiner, † Cited by third party
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DE202012100972U1 (de) * 2012-03-19 2013-06-25 Zumtobel Lighting Gmbh LED-Feuchtraumleuchte
CN104295947A (zh) * 2013-07-17 2015-01-21 晋宝电气（浙江）有限公司 一种使用带非安全电压条形光源的灯具
DE102013018549A1 (de) * 2013-11-05 2015-05-07 Siteco Beleuchtungstechnik Gmbh Beleuchtungsvorrichtung
DE202013010406U1 (de) * 2013-11-19 2015-02-20 Zumtobel Lighting Gmbh LED-Leuchte
DE102015103747A1 (de) * 2015-03-13 2016-09-15 Hella Kgaa Hueck & Co. Lichtmodul
EP3070401B1 (fr) * 2015-03-13 2017-10-04 Lunux GmbH Dispositif d'éclairage
DE102017124847A1 (de) * 2017-10-24 2019-04-25 Trilux Gmbh & Co. Kg Langfeldleuchte, insbesondere Lichtbandleuchte, und daraus aufgebautes Lichtband

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Publication number Priority date Publication date Assignee Title
AT379008B (de) * 1984-03-20 1985-11-11 Zumtobel Ag Leuchte
AT380940B (de) * 1984-12-21 1986-07-25 Zumtobel Ag Leuchte mit einem leuchtengehaeuse und einer lichtdurchlaessigen abdeckung
CN1177625A (zh) * 1996-09-26 1998-04-01 孙仁贵 用裂解汽油生产90号汽油的方法
JPH11242903A (ja) * 1998-02-25 1999-09-07 Koito Mfg Co Ltd 車両用灯具
GB0209190D0 (en) * 2002-04-23 2002-06-05 Lewis Keith Lighting apparatus
GB0501309D0 (en) * 2005-01-24 2005-03-02 Lumidrives Ltd Sealed light fixture
DE102005058935A1 (de) 2005-12-09 2007-06-14 Zumtobel Lighting Gmbh Feuchtraumleuchte mit wenigstens einem zwischen einem wannenförmigen Gehäuse und einer Abdeckung wirksamen Sperrsteg
CA2651040C (fr) * 2006-05-03 2011-12-20 Dialight Corporation Source de lumiere a led integree
AT506384B1 (de) * 2008-02-07 2013-05-15 Schrutek Elmar Ing Beleuchtungskörper
CZ19871U1 (cs) * 2009-06-05 2009-07-20 Cernoch@Jakub Svítidlo
WO2011011734A1 (fr) * 2009-07-23 2011-01-27 Fraen Corporation Dispositifs et procédés d'éclairage local

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EP2758710A1 (fr) 2014-07-30
WO2013041474A1 (fr) 2013-03-28

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