EP2868964B1 - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
EP2868964B1
EP2868964B1 EP14191132.1A EP14191132A EP2868964B1 EP 2868964 B1 EP2868964 B1 EP 2868964B1 EP 14191132 A EP14191132 A EP 14191132A EP 2868964 B1 EP2868964 B1 EP 2868964B1
Authority
EP
European Patent Office
Prior art keywords
cover
housing
illumination device
light
latching hook
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
EP14191132.1A
Other languages
German (de)
French (fr)
Other versions
EP2868964A1 (en
Inventor
Manfred DÖRING
Helmut Prieler
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.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of EP2868964A1 publication Critical patent/EP2868964A1/en
Application granted granted Critical
Publication of EP2868964B1 publication Critical patent/EP2868964B1/en
Active 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
    • F21V31/005—Sealing arrangements therefor
    • 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
    • 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
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • 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 lighting device with LED as the light source.
  • Luminaires and, for example, damp-proof luminaires are known in various embodiments.
  • the document DE 10 2006 047 874 A1 describes a splash-proof light for receiving a gas discharge lamp with a base part and a dome part.
  • the base part and the dome part are releasably connected to each other to allow replacement of the bulb or other maintenance.
  • a problem when loosening a cover of a lamp is that in this way the components of the lamp can be moved from its original position. Even if it is only a slight shift, the radiation behavior of the lamp may be impaired after assembly of the components.
  • the DE 20 2011 051 094 U1 discloses a luminaire with an elongate profile element, which defines a channel in cross section, are arranged in the light source, in particular LEDs on a circuit board. On the opposite side of the LEDs, in a light exit opening of the lamp, a contact protection element is arranged by a latching connection to the profile element.
  • the contact protection element is virtually impossible to solve without commercial tool from the profile element, at least not reversible to solve.
  • DE 20 2011 003 418 U1 discloses a luminaire device with a luminaire module, which is fastened by a reversible clip connection with latching means for releasable placement on a support. Furthermore, LEDs are arranged in the luminaire module and a pane is glued in the light exit opening, which is secured by a securing element which is connected to the housing with an irreversible clip connection, since it is expediently disposed of together with the luminaire module.
  • a light-influencing element is over a series of LEDs on a support element engaged and foamed with a sealing material.
  • the sealing element is not reversibly detachably connected both to the carrier element and to the light influencing element.
  • EP 0 726 420 A1 discloses a wet room luminaire with a two-part closed housing.
  • the housing has a trough-shaped housing base part and a cover which is releasably secured to the housing base part by means of quick-release fasteners.
  • the object is to provide an improved lighting device.
  • the safety in dealing with the lighting device is to be improved and its radiation behavior over the entire life of the lighting device to be constant.
  • the object is achieved by the lighting device according to independent claim 1.
  • a lighting device having a housing in which a light-emitting means is arranged, wherein the light-emitting means comprises one or more LEDs, and a light-permeable cover.
  • the cover is connected in the mounted state by means of a latching connection with the housing such that a non-destructive release of the cover is prevented by the housing.
  • Such a lighting device may also be referred to as a "sealed for life” device.
  • LED LED - light emitting diode
  • LED as a light source in particular have such a long operating time (eg 50,000 hours), so that a replacement of the bulbs as usual for conventional bulbs, in the LED lighting device is not necessary.
  • the lighting device When using LED as a light source, high voltages can occur during operation. Since the lighting device does not open nondestructively after assembly can be installed, the one or more LED can be installed free of contact protection. As a result, the security is increased. Furthermore, the lighting device ensures theft protection for the light source.
  • the housing may be formed trough-shaped with a substantially U-shaped cross-section.
  • the lighting means may be arranged by means of a holder in the housing. With the holder, a connection for a power supply can be provided. It can be additionally provided that a plurality of lighting means are arranged in the housing. In this case, a separate holder with corresponding connections for operating the luminous means can be provided for each luminous means. Alternatively, the plurality of lighting means may have a common support with corresponding terminals.
  • LED also includes organic light emitting diodes ( OLED - organic light emitting diode). Not only do LEDs have the advantage that they have a relatively low energy consumption, but also have a very long life. As a result, it is not necessary to have to open the housing during the entire life of the device in order to replace the bulbs, for example.
  • the lighting device may be configured for 50,000 operating hours (plus / minus 10%).
  • a driver device for the LEDs can be arranged in an upper region of the housing and optionally fastened there. It can be provided that only one or more LEDs are used as the lighting means in the lighting device and the lighting device is free of light sources of a different type.
  • the lighting device may be configured for stationary mounting.
  • the lighting device may be attached to a wall, a ceiling or a bracket.
  • the lighting device may be embodied as an LED module, an interior light, an exterior light, a tunnel light or a wet room light.
  • the moisture-proof luminaire can, for example, be designed as a water-jet-protected luminaire, eg with protection class IP66, and / or a splash-proof luminaire, eg with protection class IP64.
  • the housing may be formed from a material containing a duroplastic, a plastic or a thermoplastic, for example a SMC (Sheet Molding Compound), a BMC ( Bulk Molding Compound), Polycarbonate (PC) , Polymethyl methacrylate (PMMA), polyethylene (PE) and / or polypropylene (PP). Furthermore, the housing may be formed entirely of one of the aforementioned materials.
  • the cover may be formed of a material containing a glass or a plastic, for example polycarbonate (PC) or polymethyl methacrylate (PMMA). It can be provided that the cover is made entirely of glass, PC or PMMA. Furthermore, it can be provided that the housing and the cover are made of the same material in order, for example, to avoid thermal stresses due to different coefficients of expansion.
  • a reflector element is arranged in the housing, wherein the luminous means is arranged on a side of the reflector element facing the cover.
  • the reflector element may be attached to the housing, for example by means of a positive connection or a non-positive connection, for example a screw connection, a clamping connection or a riveted connection.
  • the luminous means may be attached to the reflector element, for example by means of a positive connection or a frictional connection, for example a screw connection, a clamping connection or a riveted connection.
  • the cover is formed as a photometric cover.
  • a photometric cover is configured to influence the propagation of the light.
  • a side of the cover facing the reflector element and the luminous means may be provided with a structure.
  • the structure may comprise one or more elevations and / or depressions, which change the propagation of the light, for example by refraction.
  • line-shaped prisms may be provided which may be straight or may also have a curvature.
  • the elevations and / or depressions may have the same shape and / or dimensions. Alternatively, the elevations and / or depressions may be formed with different shapes and / or dimensions.
  • the locking connection between the reflector element and the cover is formed in the assembled state. This ensures that the position of the reflector element to the lamp and the cover over the entire life of the lighting device is constant. The light distribution is therefore always the same.
  • the reflector element combines the functions of holding and immutability of the generated light distribution.
  • a further development provides that a latching hook is formed on a side of the cover facing the housing and a latching hook receptacle is formed on the reflector element, such that in the mounted state the latching hook engages behind the latching hook receptacle.
  • a latching hook directed towards an interior of the lighting device engages in a latching hook receptacle directed away from the interior.
  • It can also be formed on the housing facing side of the cover, a plurality of latching hooks, which are for example spaced apart. The several snap hooks can be shaped the same.
  • snap hook receptacles are formed at a distance of 150 mm to 250 mm to each other.
  • a continuous latching edge can be formed in each case on the two sides of the side of the cover facing the housing.
  • the latching hook receptacle is formed continuously on the two longitudinal sides of the reflector element.
  • the shape and dimensions of the latching hook, the locking edges and / or the latching hook receptacles can be adapted to the particular application.
  • a support surface between the latching hook and the latching hook receptacle can also be specified for the expected loads of a use case.
  • the aforementioned components can be designed in particular with regard to a long-term deformation of the materials used during the operation of the device.
  • the support surface may for example be between 8 mm 2 and 15 mm 2 .
  • a sealing element is arranged between the housing and the cover.
  • the sealing element may contain or consist of a polyurethane foam (PU foam).
  • PU foam polyurethane foam
  • a sealing element made of an elastic material, for example rubber, can be inserted and / or glued in between the housing and the cover.
  • the housing may be formed with a peripheral edge groove having, for example, a U-shaped edge profile.
  • the sealing element may be arranged at least in sections. It can also be provided that the sealing element is arranged circumferentially in the edge groove.
  • the cover may be in engagement with a housing side formed peripheral edge in the assembled state with the circumferential edge groove. An end of the cover facing the housing may be pressed into the sealing element in the assembled state.
  • the sealing material e.g. a PU foam or an adhesive, the sealing member hardens after mounting the lighting device in contact with the cover.
  • a latching hook is formed, which is directed towards the interior.
  • a latching hook receptacle may be formed, for example in the form of an opening.
  • a latching hook may be formed on the inner web of the edge groove, which is directed away from the interior.
  • the latching hook can be formed, for example, at an end of the inner web facing the cover.
  • a latching hook receptacle may be formed, in which the latching hook engages in the mounted state.
  • the housing facing to the side of the cover is formed with a Abdeckungsrandnut.
  • a latching hook may be formed, for example, at a pointing to the housing end of the inner web of the Abdeckungsrandnut. The latching hook may be directed away from the interior and locked in the assembled state in a locking hook receptacle formed in the inner web of the edge groove.
  • FIG. 1 For example, an IP66 class IP66 luminaire with a housing 1, a translucent cover 2 and an LED 3 is shown.
  • the LED 3 is fixed to a reflector 4 and coupled to an LED driver 5, which is screwed in an upper portion of the housing 1.
  • the reflector 4 is fastened to the housing 1 by means of a screw 11.
  • the housing 1 is formed with a peripheral edge groove 6, in which a sealing foam 7, for example made of PU is arranged circumferentially. It may also be inserted or glued a seal.
  • a sealing foam 7, for example made of PU is arranged circumferentially. It may also be inserted or glued a seal.
  • a latching hook 8 is formed, which is directed to an interior 9 of the lamp out.
  • a circumferential latching hook receptacle 10 is formed at the reflector 4.
  • the latching hook 8 engages in the latching hook receptacle 10, such that a non-destructive release of the components is not possible.
  • the latching hook 8 and the latching hook receptacle 10 each have a latching nose with a bevel, which is formed so steeply against the run-on slope on which the elements slide past when snapping that removal of the latched elements is no longer possible.
  • the locking lugs of latching hooks 8 and the locking receptacle 10 each have an angle of about 60 ° to 85 ° relative to the run-on slope. As a result, the locking lug is arranged approximately flat ( ⁇ 10 °) with respect to the light exit surface of the luminaire.
  • the reflector 4 acts simultaneously as a light-reflecting element and as a holding element.
  • the cover 2 is formed as a lighting cover with a plurality of elevations 21, here line-shaped prisms, which influence the light distribution.
  • the inside of the cover, possibly including the prisms, is wholly or partially light-scattering.
  • FIG. 2 is a section of the edge region of the embodiment according to FIG. 1 shown.
  • the latching connection is provided by means of the latching hook 8 and the latching hook receptacle 10.
  • the end 12 of the cover 2 facing the housing is pressed into the sealing foam 7.
  • the latching connections between the cover and the reflector itself takes place.
  • the lighting components namely the cover, which is provided with refractive means, and the reflector fixed to each other, so that structural tolerances of other lighting components have no effect on the lighting effect between reflector and cover.
  • FIG. 3 Another locking connection is in FIG. 3 shown.
  • a latching hook 13 is formed, which is directed to the interior 9 out.
  • a latching window 15 is formed, in which the latching hook 13 engages in the assembled state.
  • a holding web 16 with a latching hook 17 is formed on the end 12 of the cover 2 facing the housing.
  • a latching window 15 is formed for receiving the latching hook 17 in the mounted state.
  • FIG. 5 shows another catch connection.
  • a latching hook 18 is formed, which is directed away from the interior 9.
  • the latching hook 18 engages behind a latching surface 19 in the mounted state, which is formed on the end 12 of the cover 2 facing the housing.
  • FIG. 6 an embodiment of the luminaire with an alternative reflector 20 (dashed line) is shown.
  • FIG. 7 shows a perspective view of the components of the moisture lamp according to the embodiment according to FIG. 1 ,
  • a continuous latching hook receptacle 10 is formed on both longitudinal sides.
  • On the cover 2 a plurality of latching hooks 8 are formed.

Landscapes

  • 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

Die Erfindung betrifft eine Beleuchtungsvorrichtung mit LED als Leuchtmittel.The invention relates to a lighting device with LED as the light source.

Leuchten und beispielsweise Feuchtraumleuchten sind in verschiedenen Ausführungsformen bekannt. Das Dokument DE 10 2006 047 874 A1 beschreibt eine spritzwassergeschützte Leuchte zur Aufnahme einer Gasentladungslampe mit einem Basisteil und einem Kuppelteil. Das Basisteil und das Kuppelteil sind lösbar miteinander verbunden, um ein Auswechseln des Leuchtmittels oder andere Wartungsarbeiten zu ermöglichen.Luminaires and, for example, damp-proof luminaires are known in various embodiments. The document DE 10 2006 047 874 A1 describes a splash-proof light for receiving a gas discharge lamp with a base part and a dome part. The base part and the dome part are releasably connected to each other to allow replacement of the bulb or other maintenance.

Problematisch beim Lösen einer Abdeckung einer Leuchte ist, dass hierdurch die Komponenten der Leuchte von ihrer ursprünglichen Position verschoben werden können. Selbst wenn es sich nur um eine geringfügige Verschiebung handelt, kann das Abstrahlverhalten der Leuchte nach dem Zusammensetzen der Komponenten beeinträchtigt sein.A problem when loosening a cover of a lamp is that in this way the components of the lamp can be moved from its original position. Even if it is only a slight shift, the radiation behavior of the lamp may be impaired after assembly of the components.

Die DE 20 2011 051 094 U1 offenbart eine Leuchte mit einem länglichen Profilelement, welches im Querschnitt einen Kanal festlegt, in dem Leuchtmittel, insbesondere LEDs auf einer Platine, angeordnet sind. Auf der den LEDs gegenüberliegenden Seite, in einer Lichtaustrittsöffnung der Leuchte, ist an dem Profilelement ein Berührungsschutzelement durch eine Rastverbindung angeordnet. Das Berührungsschutzelement ist ohne handelsübliches Werkzeug praktisch nicht von dem Profilelement zu lösen, zumindest nicht reversibel zu lösen.The DE 20 2011 051 094 U1 discloses a luminaire with an elongate profile element, which defines a channel in cross section, are arranged in the light source, in particular LEDs on a circuit board. On the opposite side of the LEDs, in a light exit opening of the lamp, a contact protection element is arranged by a latching connection to the profile element. The contact protection element is virtually impossible to solve without commercial tool from the profile element, at least not reversible to solve.

DE 20 2011 003 418 U1 offenbart eine Leuchtenvorrichtung mit einem Leuchtenmodul, welches durch eine reversible Clipsverbindung mit Rastmitteln zum lösbaren Anordnen an einem Träger befestigt ist. Ferner sind in dem Leuchtenmodul LEDs angeordnet und in der Lichtaustrittsöffnung ist eine Scheibe eingeklebt, die mit einem Sicherungselement gesichert wird, das mit einer irreversiblen Clipsverbindung mit dem Gehäuse verbunden ist, da es zweckmäßigerweise zusammen mit dem Leuchtenmodul entsorgt werden soll. DE 20 2011 003 418 U1 discloses a luminaire device with a luminaire module, which is fastened by a reversible clip connection with latching means for releasable placement on a support. Furthermore, LEDs are arranged in the luminaire module and a pane is glued in the light exit opening, which is secured by a securing element which is connected to the housing with an irreversible clip connection, since it is expediently disposed of together with the luminaire module.

DE 10 2011 083 273 A1 offenbart eine Feuchtraumleuchte mit einer verbesserten Dichtung. Ein Lichtbeeinflussungselement ist über einer Reihe von LEDs an einem Trägerelement eingerastet und mit einem Dichtmaterial umschäumt. Das Dichtelement ist sowohl mit dem Trägerelement als auch mit dem Lichtbeeinflussungselement nicht reversibel lösbar verbunden. DE 10 2011 083 273 A1 discloses a wet room light with an improved seal. A light-influencing element is over a series of LEDs on a support element engaged and foamed with a sealing material. The sealing element is not reversibly detachably connected both to the carrier element and to the light influencing element.

DE 20 2009 000 236 U1 offenbart eine gehäustes LED-Modul, wobei das Modul innerhalb eines verschließbaren Gehäuses angeordnet ist. Das Gehäuse weist einen Schnappverschluss auf, der nach einmaligem Zusammenbau nicht wieder geöffnet werden kann. DE 20 2009 000 236 U1 discloses a packaged LED module, wherein the module is disposed within a sealable housing. The housing has a snap closure, which can not be opened again after a single assembly.

EP 0 726 420 A1 offenbart eine Feuchtraumleuchte mit zweiteilig geschlossenem Gehäuse. Das Gehäuse weist ein wannenförmiges Gehäusebasisteil und eine Abdeckung auf, die mit Schnellverschlüssen lösbar am Gehäusebasisteil befestigt ist. EP 0 726 420 A1 discloses a wet room luminaire with a two-part closed housing. The housing has a trough-shaped housing base part and a cover which is releasably secured to the housing base part by means of quick-release fasteners.

Aufgabe ist es, eine verbesserte Beleuchtungsvorrichtung bereitzustellen. Insbesondere soll die Sicherheit beim Umgang mit der Beleuchtungsvorrichtung verbessert und deren Abstrahlverhalten über die gesamte Lebensdauer der Beleuchtungsvorrichtung konstant sein.The object is to provide an improved lighting device. In particular, the safety in dealing with the lighting device is to be improved and its radiation behavior over the entire life of the lighting device to be constant.

Die Aufgabe wird durch die Beleuchtungsvorrichtung nach dem unabhängigen Anspruch 1 gelöst.The object is achieved by the lighting device according to independent claim 1.

Es ist eine Beleuchtungsvorrichtung bereitgestellt, mit einem Gehäuse, in dem ein Leuchtmittel angeordnet ist, wobei das Leuchtmittel eine oder mehrere LED umfasst, und einer lichtdurchlässigen Abdeckung. Die Abdeckung ist im montierten Zustand mittels einer Rastverbindung derart mit dem Gehäuse verbunden, dass ein zerstörungsfreies Lösen der Abdeckung von dem Gehäuse verhindert ist.A lighting device is provided, having a housing in which a light-emitting means is arranged, wherein the light-emitting means comprises one or more LEDs, and a light-permeable cover. The cover is connected in the mounted state by means of a latching connection with the housing such that a non-destructive release of the cover is prevented by the housing.

Ein beabsichtigtes oder unbeabsichtigtes Entfernen der Abdeckung von dem Gehäuse wird hierdurch verhindert. Eine derartige Beleuchtungsvorrichtung kann auch als "sealed for life" Vorrichtung bezeichnet werden. LED (LED - light emitting diode) als Leuchtmittel weisen insbesondere eine so hohe Betriebsdauer auf (z.B. 50.000 Stunden), sodass ein Austausch der Leuchtmittel wie für herkömmliche Leuchtmittel üblich, bei der LED-Beleuchtungsvorrichtung nicht notwendig ist.An intentional or unintentional removal of the cover from the housing is thereby prevented. Such a lighting device may also be referred to as a "sealed for life" device. LED ( LED - light emitting diode) as a light source in particular have such a long operating time (eg 50,000 hours), so that a replacement of the bulbs as usual for conventional bulbs, in the LED lighting device is not necessary.

Bei der Verwendung von LED als Leuchtmittel können im Betrieb hohe Spannungen auftreten. Da die Beleuchtungsvorrichtung nach der Montage nicht zerstörungsfrei geöffnet werden kann, kann die eine oder mehrere LED frei von einem Berührungsschutz verbaut werden. Hierdurch ist die Sicherheit erhöht. Des Weiteren gewährleistet die Beleuchtungsvorrichtung einen Diebstahlschutz für das Leuchtmittel.When using LED as a light source, high voltages can occur during operation. Since the lighting device does not open nondestructively after assembly can be installed, the one or more LED can be installed free of contact protection. As a result, the security is increased. Furthermore, the lighting device ensures theft protection for the light source.

Das Gehäuse kann wannenförmig mit einem im Wesentlichen U-förmigen Querschnitt gebildet sein. Das Leuchtmittel kann mittels einer Halterung in dem Gehäuse angeordnet sein. Mit der Halterung kann ein Anschluss für eine Stromversorgung bereitgestellt werden. Es kann ergänzend vorgesehen sein, dass mehrere Leuchtmittel in dem Gehäuse angeordnet sind. Hierbei kann für jedes Leuchtmittel eine separate Halterung mit entsprechenden Anschlüssen zum Betrieb des Leuchtmittels vorgesehen sein. Alternativ können die mehreren Leuchtmittel eine gemeinsame Halterung mit entsprechenden Anschlüssen aufweisen.The housing may be formed trough-shaped with a substantially U-shaped cross-section. The lighting means may be arranged by means of a holder in the housing. With the holder, a connection for a power supply can be provided. It can be additionally provided that a plurality of lighting means are arranged in the housing. In this case, a separate holder with corresponding connections for operating the luminous means can be provided for each luminous means. Alternatively, the plurality of lighting means may have a common support with corresponding terminals.

Der Begriff LED umfasst auch organische Leuchtdioden (OLED - organic light emitting diode). LEDs weisen nicht nur den Vorteil auf, dass sie einen verhältnismäßig geringen Energieverbrauch haben, sondern besitzen außerdem eine sehr hohe Lebensdauer. Dadurch ist es nicht notwendig, das Gehäuse während der Gesamtlebensdauer der Vorrichtung öffnen zu müssen, um etwa die Leuchtmittel auszutauschen. Die Beleuchtungsvorrichtung kann für 50.000 Betriebsstunden (plus / minus 10%) konfiguriert sein. Beispielsweise kann eine Treibereinrichtung für die LEDs in einem oberen Bereich des Gehäuses angeordnet und ggf. dort befestigt sein. Es kann vorgesehen sein, dass in der Beleuchtungsvorrichtung ausschließlich eine oder mehrere LED als Leuchtmittel eingesetzt werden und die Beleuchtungsvorrichtung frei von Leuchtmitteln anderer Bauart ist.The term LED also includes organic light emitting diodes ( OLED - organic light emitting diode). Not only do LEDs have the advantage that they have a relatively low energy consumption, but also have a very long life. As a result, it is not necessary to have to open the housing during the entire life of the device in order to replace the bulbs, for example. The lighting device may be configured for 50,000 operating hours (plus / minus 10%). For example, a driver device for the LEDs can be arranged in an upper region of the housing and optionally fastened there. It can be provided that only one or more LEDs are used as the lighting means in the lighting device and the lighting device is free of light sources of a different type.

Die Beleuchtungsvorrichtung kann für eine stationäre Montage konfiguriert sein. Beispielsweise kann die Beleuchtungsvorrichtung an einer Wand, einer Decke oder einer Halterung befestigt sein.The lighting device may be configured for stationary mounting. For example, the lighting device may be attached to a wall, a ceiling or a bracket.

Die Beleuchtungsvorrichtung kann als ein LED-Modul, eine Innenleuchte, eine Außenleuchte, eine Tunnelleuchte oder eine Feuchtraumleuchte ausgeführt sein. Die Feuchtraumleuchte kann beispielsweise als eine strahlwassergeschützte Leuchte, z.B. mit der Schutzklasse IP66, und / oder eine spritzwassergeschützte Leuchte, z.B. mit der Schutzklasse IP64, ausgeführt sein.The lighting device may be embodied as an LED module, an interior light, an exterior light, a tunnel light or a wet room light. The moisture-proof luminaire can, for example, be designed as a water-jet-protected luminaire, eg with protection class IP66, and / or a splash-proof luminaire, eg with protection class IP64.

Das Gehäuse kann aus einem Material gebildet sein, das ein Duroplast, einen Kunststoff oder einen thermoplastischen Kunststoff enthält, beispielsweise ein SMC-Duroplast (SMC - Sheet Molding Compound), ein BMC-Duroplast (BMC- Bulk Molding Compound), Polycarbonat (PC), Polymethylmethacrylat (PMMA), Polyethylen (PE) und / oder Polypropylen (PP). Des Weiteren kann das Gehäuse vollständig aus einem der vorgenannten Materialien gebildet sein. Die Abdeckung kann aus einem Material gebildet sein, das ein Glas oder einen Kunststoff enthält, beispielsweise Polycarbonat (PC) oder Polymethylmethacrylat (PMMA). Es kann vorgesehen sein, dass die Abdeckung vollständig aus Glas, PC oder PMMA gebildet ist. Des Weiteren kann vorgesehen sein, dass das Gehäuse und die Abdeckung aus dem gleichen Material sind, um z.B. thermische Verspannungen aufgrund unterschiedlicher Ausdehnungskoeffizienten zu vermeiden.The housing may be formed from a material containing a duroplastic, a plastic or a thermoplastic, for example a SMC (Sheet Molding Compound), a BMC ( Bulk Molding Compound), Polycarbonate (PC) , Polymethyl methacrylate (PMMA), polyethylene (PE) and / or polypropylene (PP). Furthermore, the housing may be formed entirely of one of the aforementioned materials. The cover may be formed of a material containing a glass or a plastic, for example polycarbonate (PC) or polymethyl methacrylate (PMMA). It can be provided that the cover is made entirely of glass, PC or PMMA. Furthermore, it can be provided that the housing and the cover are made of the same material in order, for example, to avoid thermal stresses due to different coefficients of expansion.

Erfindungsgemäß ist in dem Gehäuse ein Reflektorelement angeordnet, wobei das Leuchtmittel auf einer der Abdeckung zugewandten Seite des Reflektorelements angeordnet ist. Das Reflektorelement kann an dem Gehäuse befestigt sein, beispielsweise mittels einer formschlüssigen Verbindung oder einer kraftschlüssigen Verbindung, z.B. einer Schraubverbindung, einer Klemmverbindung oder einer Nietverbindung. Des Weiteren kann das Leuchtmittel an dem Reflektorelement befestigt sein, beispielsweise mittels einer formschlüssigen Verbindung oder einer kraftschlüssigen Verbindung, z.B. einer Schraubverbindung, einer Klemmverbindung oder einer Nietverbindung. Mittels des Reflektorelements kann die Abstrahlrichtung des Leuchtmittels gezielt beeinflusst werden, um die Lichtausbeute in Richtung der lichtdurchlässigen Abdeckung zu erhöhen. Des Weiteren kann vorgesehen sein, dass die Abdeckung als eine lichttechnische Abdeckung gebildet ist. Eine lichttechnische Abdeckung ist konfiguriert, die Ausbreitung des Lichts zu beeinflussen. Eine dem Reflektorelement und dem Leuchtmittel zugewandte Seite der Abdeckung kann mit einer Struktur versehen sein. Die Struktur kann eine oder mehrere Erhebungen und / oder Vertiefungen umfassen, welche beispielsweise mittels Brechung die Ausbreitung des Lichts verändern. Es können beispielsweise linienförmige Prismen vorgesehen sein, die gerade sein können oder auch eine Krümmung aufweisen können. Die Erhebungen und / oder Vertiefungen können eine gleiche Formgebung und / oder Abmessungen aufweisen. Alternativ können die Erhebungen und / oder Vertiefungen mit unterschiedlichen Formen und / oder Abmessungen gebildet sein.According to the invention, a reflector element is arranged in the housing, wherein the luminous means is arranged on a side of the reflector element facing the cover. The reflector element may be attached to the housing, for example by means of a positive connection or a non-positive connection, for example a screw connection, a clamping connection or a riveted connection. Furthermore, the luminous means may be attached to the reflector element, for example by means of a positive connection or a frictional connection, for example a screw connection, a clamping connection or a riveted connection. By means of the reflector element, the emission direction of the luminous means can be specifically influenced in order to increase the luminous efficacy in the direction of the translucent cover. Furthermore, it can be provided that the cover is formed as a photometric cover. A photometric cover is configured to influence the propagation of the light. A side of the cover facing the reflector element and the luminous means may be provided with a structure. The structure may comprise one or more elevations and / or depressions, which change the propagation of the light, for example by refraction. For example, line-shaped prisms may be provided which may be straight or may also have a curvature. The elevations and / or depressions may have the same shape and / or dimensions. Alternatively, the elevations and / or depressions may be formed with different shapes and / or dimensions.

Erfindungsgemäß ist im montierten Zustand die Rastverbindung zwischen dem Reflektorelement und der Abdeckung gebildet. Hierdurch ist gewährleistet, dass die Position des Reflektorelements zu dem Leuchtmittel und der Abdeckung über die gesamte Lebensdauer der Beleuchtungsvorrichtung konstant ist. Die Lichtverteilung ist daher immer gleich. Das Reflektorelement kombiniert hierbei die Funktionen des Haltens und der Unveränderlichkeit der erzeugten Lichtverteilung.According to the invention, the locking connection between the reflector element and the cover is formed in the assembled state. This ensures that the position of the reflector element to the lamp and the cover over the entire life of the lighting device is constant. The light distribution is therefore always the same. The reflector element combines the functions of holding and immutability of the generated light distribution.

Eine Weiterbildung sieht vor, dass an einer zu dem Gehäuse weisenden Seite der Abdeckung ein Rasthaken gebildet ist und an dem Reflektorelement eine Rasthakenaufnahme gebildet ist, derart, dass im montierten Zustand der Rasthaken die Rasthakenaufnahme hintergreift. In einer Ausführungsform rastet ein zu einem Innenraum der Beleuchtungsvorrichtung hin gerichteter Rasthaken in eine vom Innenraum weg gerichtete Rasthakenaufnahme ein. Es können auch mehrere Rasthaken an der zu dem Gehäuse weisenden Seite der Abdeckung gebildet sein, die beispielsweise voneinander beabstandet sind. Die mehreren Rasthaken können gleich geformt sein. Es kann beispielsweise vorgesehen sein, dass bei einer Abdeckung mit einer Länge von 1200 mm 14 Rasthakenaufnahmen in einem Abstand von 150 mm bis 250 mm zueinander gebildet sind. Alternativ kann an den beiden Seiten der zu dem Gehäuse weisenden Seite der Abdeckung jeweils eine durchlaufende Rastkante gebildet sein. Es kann vorgesehen sein, dass die Rasthakenaufnahme an den beiden Längsseiten des Reflektorelements jeweils durchlaufend gebildet ist. Form und Abmessungen der Rasthaken, der Rastkanten und / oder der Rasthakenaufnahmen können an den jeweiligen Anwendungsfall angepasst werden. Eine Auflagenfläche zwischen dem Rasthaken und der Rasthakenaufnahme kann ebenfalls für die zu erwartenden Belastungen eines Anwendungsfalls spezifiziert werden. Die vorgenannten Komponenten können insbesondere im Hinblick auf eine Langzeitverformung der eingesetzten Materialien während des Betriebs der Vorrichtung ausgelegt sein. Die Auflagenfläche kann beispielsweise zwischen 8 mm2 und 15 mm2 groß sein.A further development provides that a latching hook is formed on a side of the cover facing the housing and a latching hook receptacle is formed on the reflector element, such that in the mounted state the latching hook engages behind the latching hook receptacle. In one embodiment, a latching hook directed towards an interior of the lighting device engages in a latching hook receptacle directed away from the interior. It can also be formed on the housing facing side of the cover, a plurality of latching hooks, which are for example spaced apart. The several snap hooks can be shaped the same. It can be provided, for example, that in a cover with a length of 1200 mm 14 snap hook receptacles are formed at a distance of 150 mm to 250 mm to each other. Alternatively, a continuous latching edge can be formed in each case on the two sides of the side of the cover facing the housing. It can be provided that the latching hook receptacle is formed continuously on the two longitudinal sides of the reflector element. The shape and dimensions of the latching hook, the locking edges and / or the latching hook receptacles can be adapted to the particular application. A support surface between the latching hook and the latching hook receptacle can also be specified for the expected loads of a use case. The aforementioned components can be designed in particular with regard to a long-term deformation of the materials used during the operation of the device. The support surface may for example be between 8 mm 2 and 15 mm 2 .

Gemäß einer weiteren Ausführungsform ist vorgesehen, dass zwischen dem Gehäuse und der Abdeckung ein Dichtungselement angeordnet ist. Das Dichtungselement kann einen Polyurethan-Schaum (PU-Schaum) enthalten bzw. aus diesem bestehen. Alternativ kann ein Dichtungselement aus einem elastischen Material, z.B. Gummi, zwischen dem Gehäuse und der Abdeckung eingelegt und / oder eingeklebt sein. Das Gehäuse kann mit einer umlaufenden Randnut gebildet sein, die beispielsweise ein U-förmiges Randprofil aufweist.According to a further embodiment, it is provided that a sealing element is arranged between the housing and the cover. The sealing element may contain or consist of a polyurethane foam (PU foam). Alternatively, a sealing element made of an elastic material, for example rubber, can be inserted and / or glued in between the housing and the cover. The housing may be formed with a peripheral edge groove having, for example, a U-shaped edge profile.

In der Randnut kann das Dichtungselement zumindest abschnittsweise angeordnet sein. Es kann auch vorgesehen sein, dass das Dichtungselement umlaufend in der Randnut angeordnet ist. Die Abdeckung kann mit einem gehäuseseitig gebildeten umlaufenden Rand im montierten Zustand mit der umlaufenden Randnut in Eingriff stehen. Ein zu dem Gehäuse weisendes Ende der Abdeckung kann im montierten Zustand in das Dichtungselement gepresst sein. Es kann vorgesehen sein, dass das Dichtungsmaterial, z.B. ein PU-Schaum oder ein Klebstoff, des Dichtungselements nach der Montage der Beleuchtungsvorrichtung in Kontakt mit der Abdeckung aushärtet.In the edge groove, the sealing element may be arranged at least in sections. It can also be provided that the sealing element is arranged circumferentially in the edge groove. The cover may be in engagement with a housing side formed peripheral edge in the assembled state with the circumferential edge groove. An end of the cover facing the housing may be pressed into the sealing element in the assembled state. It can be provided that the sealing material, e.g. a PU foam or an adhesive, the sealing member hardens after mounting the lighting device in contact with the cover.

Es kann vorgesehen sein, dass an der zu dem Gehäuse weisenden Seiteder Abdeckung ein Rasthaken gebildet ist, der zum Innenraum hin gerichtet ist. In einem innenliegenden Steg der Randnut des Gehäuses kann eine Rasthakenaufnahme gebildet sein, beispielsweise in Form eines Durchbruchs. Im montierten Zustand rastet der Rasthaken der Abdeckung in die Rasthakenaufnahme des Gehäuses ein.It can be provided that on the housing facing the side of the cover, a latching hook is formed, which is directed towards the interior. In an inner web of the edge groove of the housing, a latching hook receptacle may be formed, for example in the form of an opening. When mounted, the latching hook of the cover engages in the latching hook receptacle of the housing.

Des Weiteren kann an dem innenliegenden Steg der Randnut ein Rasthaken gebildet sein, der vom Innenraum weg gerichtet ist. Der Rasthaken kann beispielsweise an einem zu der Abdeckung weisenden Ende des innenliegenden Stegs gebildet sein. In diesem Fall kann in der zu dem Gehäuse weisenden Seite der Abdeckung eine Rasthakenaufnahme gebildet sein, in welche der Rasthaken im montierten Zustand einrastet.Furthermore, a latching hook may be formed on the inner web of the edge groove, which is directed away from the interior. The latching hook can be formed, for example, at an end of the inner web facing the cover. In this case, in the side facing the housing of the cover, a latching hook receptacle may be formed, in which the latching hook engages in the mounted state.

Es kann auch vorgesehen sein, dass die zu dem Gehäuse weisende Seite der Abdeckung mit einer Abdeckungsrandnut gebildet ist. An einem innenliegenden Steg der Abdeckungsrandnut kann ein Rasthaken gebildet sein, beispielsweise an einem zu dem Gehäuse weisenden Ende des innenliegenden Stegs der Abdeckungsrandnut. Der Rasthaken kann vom Innenraum weg gerichtet sein und in montierten Zustand in eine in dem innenliegenden Steg der Randnut gebildeten Rasthakenaufnahme eingerastet sein.It can also be provided that the housing facing to the side of the cover is formed with a Abdeckungsrandnut. At an inner web of the cover edge groove, a latching hook may be formed, for example, at a pointing to the housing end of the inner web of the Abdeckungsrandnut. The latching hook may be directed away from the interior and locked in the assembled state in a locking hook receptacle formed in the inner web of the edge groove.

Weitere Merkmale und Vorteile werden anhand der Beschreibung beispielhafter Ausführungsformen anhand der beigefügten Figuren deutlich. In den Figuren ist Folgendes dargestellt:

Figur 1
zeigt einen Querschnitt einer Feuchtraumleuchte.
Figur 2
zeigt eine Ausführungsform einer Rastverbindung für die Feuchtraumleuchte aus Figur 1.
Figur 3
zeigt ein Vergleichsbeispiel einer Rastverbindung.
Figur 4
zeigt ein anderes Vergleichsbeispiel einer Rastverbindung.
Figur 5
zeigt noch ein weiteres Vergleichsbeispiel einer Rastverbindung.
Figur 6
zeigt einen Querschnitt der Feuchtraumleuchte mit einem alternativen Reflektorelement.
Figur 7
zeigt eine perspektivische Darstellung von Komponenten der Feuchtraumleuchte nach Figur 1.
Further features and advantages will become apparent from the description of exemplary embodiments with reference to the accompanying figures. The figures show the following:
FIG. 1
shows a cross section of a moisture lamp.
FIG. 2
shows an embodiment of a latching connection for the moisture-proof light FIG. 1 ,
FIG. 3
shows a comparative example of a locking connection.
FIG. 4
shows another comparative example of a latching connection.
FIG. 5
shows yet another comparative example of a latching connection.
FIG. 6
shows a cross section of the moisture lamp with an alternative reflector element.
FIG. 7
shows a perspective view of components of the moisture lamp after FIG. 1 ,

In Figur 1 ist eine Feuchtraumleuchte der Klasse IP66 mit einem Gehäuse 1, einer lichtdurchlässigen Abdeckung 2 und einer LED 3 gezeigt. Die LED 3 ist an einem Reflektor 4 befestigt und mit einem LED Treiber 5 gekoppelt, der in einem oberen Bereich des Gehäuses 1 angeschraubt ist. Der Reflektor 4 ist mittels einer Schraube 11 an dem Gehäuse 1 befestigt. Das Gehäuse 1 ist mit einer umlaufenden Randnut 6 gebildet, in der ein Dichtschaum 7 z.B. aus PU umlaufend angeordnet ist. Es kann auch eine Dichtung eingelegt oder eingeklebt sein. An einem zu dem Gehäuse weisenden Ende 12 der Abdeckung 2 ist ein Rasthaken 8 gebildet, der zu einem Innenraum 9 der Leuchte hin gerichtet ist. An dem Reflektor 4 ist eine umlaufende Rasthakenaufnahme 10 gebildet. In montiertem Zustand der Feuchtraumleuchte rastet der Rasthaken 8 in die Rasthakenaufnahme 10 ein, derart, dass ein zerstörungsfreies Lösen der Komponenten nicht möglich ist. Dazu verfügt der Rasthaken 8 sowie die Rasthakenaufnahme 10 jeweils über eine Rastnase mit einer Schräge, die gegenüber der Anlaufschräge, an der die Elemente beim Einrasten vorbeigleiten, derart steil ausgebildet ist, dass ein Abziehen der verrasteten Elemente nicht mehr möglich ist. Beispielsweise können die Rastnasen von Rasthaken 8 und der Rastaufnahme 10 jeweils einen Winkel von etwa 60° bis 85° gegenüber der Anlaufschräge aufweisen. Dadurch ist die Rastnase in etwa eben (± 10°) gegenüber der Lichtaustrittsfläche der Leuchte angeordnet.In FIG. 1 For example, an IP66 class IP66 luminaire with a housing 1, a translucent cover 2 and an LED 3 is shown. The LED 3 is fixed to a reflector 4 and coupled to an LED driver 5, which is screwed in an upper portion of the housing 1. The reflector 4 is fastened to the housing 1 by means of a screw 11. The housing 1 is formed with a peripheral edge groove 6, in which a sealing foam 7, for example made of PU is arranged circumferentially. It may also be inserted or glued a seal. At a pointing to the housing end 12 of the cover 2, a latching hook 8 is formed, which is directed to an interior 9 of the lamp out. At the reflector 4, a circumferential latching hook receptacle 10 is formed. In the assembled state of the moisture proof the latching hook 8 engages in the latching hook receptacle 10, such that a non-destructive release of the components is not possible. For this purpose, the latching hook 8 and the latching hook receptacle 10 each have a latching nose with a bevel, which is formed so steeply against the run-on slope on which the elements slide past when snapping that removal of the latched elements is no longer possible. For example, the locking lugs of latching hooks 8 and the locking receptacle 10 each have an angle of about 60 ° to 85 ° relative to the run-on slope. As a result, the locking lug is arranged approximately flat (± 10 °) with respect to the light exit surface of the luminaire.

Der Reflektor 4 wirkt hierbei gleichzeitig als Licht reflektierendes Element und als Halteelement. Die Abdeckung 2 ist als lichttechnische Abdeckung mit mehreren Erhebungen 21 gebildet, hier linienförmigen Prismen, welche die Lichtverteilung beeinflussen. Die Innenseite der Abdeckung, ggf. einschließlich der Prismen, ist ganz oder teilweise lichtstreuend ausgebildet.The reflector 4 acts simultaneously as a light-reflecting element and as a holding element. The cover 2 is formed as a lighting cover with a plurality of elevations 21, here line-shaped prisms, which influence the light distribution. The inside of the cover, possibly including the prisms, is wholly or partially light-scattering.

In Figur 2 ist ein Ausschnitt aus dem Randbereich der Ausführungsform nach Figur 1 dargestellt. Die Rastverbindung wird mittels des Rasthakens 8 und der Rasthakenaufnahme 10 bereitgestellt. Im montierten Zustand ist das zu dem Gehäuse weisende Ende 12 der Abdeckung 2 in den Dichtschaum 7 gepresst.In FIG. 2 is a section of the edge region of the embodiment according to FIG. 1 shown. The latching connection is provided by means of the latching hook 8 and the latching hook receptacle 10. In the assembled state, the end 12 of the cover 2 facing the housing is pressed into the sealing foam 7.

Von besonderem Vorteil ist bei der dargestellten Ausführungsform, dass die Rastverbindungen zwischen der Abdeckung und dem Reflektor selbst stattfindet. Dadurch sind die lichttechnischen Komponenten, nämlich die Abdeckung, welche mit lichtbrechenden Mittel versehen ist, und der Reflektor zueinander fest angeordnet, so dass bauliche Toleranzen weiterer Leuchtenbauteile keinen Einfluss auf die lichttechnische Wirkung zwischen Reflektor und Abdeckung haben.It is particularly advantageous in the illustrated embodiment that the latching connections between the cover and the reflector itself takes place. As a result, the lighting components, namely the cover, which is provided with refractive means, and the reflector fixed to each other, so that structural tolerances of other lighting components have no effect on the lighting effect between reflector and cover.

Eine weitere Rastverbindung ist in Figur 3 gezeigt. An dem zu dem Gehäuse weisenden Ende 12 der Abdeckung 2 ist ein Rasthaken 13 gebildet, der zu dem Innenraum 9 hin gerichtet ist. An einem innenliegenden Steg 14 der Randnut 6 des Gehäuses 1 ist ein Einrastfenster 15 gebildet, in welches der Rasthaken 13 im montieren Zustand einrastet.Another locking connection is in FIG. 3 shown. At the pointing to the housing end 12 of the cover 2, a latching hook 13 is formed, which is directed to the interior 9 out. At an inner web 14 of the edge groove 6 of the housing 1, a latching window 15 is formed, in which the latching hook 13 engages in the assembled state.

Gemäß dem in Figur 4 dargestellten Beispiel ist an dem zu dem Gehäuse weisenden Ende 12 der Abdeckung 2 ein Haltesteg 16 mit einem Rasthaken 17 gebildet. In dem innenliegenden Steg 14 der Randnut 6 ist wiederum ein Einrastfenster 15 zur Aufnahme des Rasthakens 17 im montierten Zustand gebildet.According to the in FIG. 4 As shown, a holding web 16 with a latching hook 17 is formed on the end 12 of the cover 2 facing the housing. In the inner web 14 of the edge groove 6, in turn, a latching window 15 is formed for receiving the latching hook 17 in the mounted state.

Figur 5 zeigt noch eine weitere Rastverbindung. An dem innenliegenden Steg 14 der Randnut 6 ist ein Rasthaken 18 gebildet, der von dem Innenraum 9 weg gerichtet ist. Der Rasthaken 18 hintergreift im montierten Zustand eine Rastfläche 19, die an dem zum Gehäuse weisenden Ende 12 der Abdeckung 2 gebildet ist. FIG. 5 shows another catch connection. At the inner web 14 of the edge groove 6, a latching hook 18 is formed, which is directed away from the interior 9. The latching hook 18 engages behind a latching surface 19 in the mounted state, which is formed on the end 12 of the cover 2 facing the housing.

In Figur 6 ist eine Ausführungsform der Leuchte mit einem alternativen Reflektor 20 (gestrichelte Linie) gezeigt.In FIG. 6 an embodiment of the luminaire with an alternative reflector 20 (dashed line) is shown.

Figur 7 zeigt eine perspektivische Ansicht der Komponenten der Feuchtraumleuchte gemäß der Ausführungsform nach Figur 1. An dem Reflektor 4 ist auf beiden Längsseiten eine durchlaufende Rasthakenaufnahme 10 gebildet. An der Abdeckung 2 sind mehrere Rasthaken 8 gebildet. FIG. 7 shows a perspective view of the components of the moisture lamp according to the embodiment according to FIG. 1 , On the reflector 4, a continuous latching hook receptacle 10 is formed on both longitudinal sides. On the cover 2 a plurality of latching hooks 8 are formed.

Claims (8)

  1. Illumination device with a housing (1), in which a lighting means (3) is arranged, wherein the lighting means (3) comprises one or more LED's, and a light-permeable cover (2), wherein the cover (2) in the fitted state is connected by means of a latch connection to the housing (1) in such a way that a non-destructive detachment of the cover (2) from the housing (1) is prevented, wherein a reflector element (4) is arranged in the housing (1), and wherein the lighting means (3) is arranged on a side of the reflector element (4) facing towards the cover, characterized in that, in the fitted state, the latch connection is formed between the reflector element (4) and the cover (2).
  2. Illumination device according to claim 1, wherein the illumination device is configured for a stationary installation.
  3. Illumination device according to claim 1 or 2, wherein the illumination device is configured as an LED module, an interior light, an exterior light, a tunnel light, or a wet room light.
  4. Illumination device according to any one of the preceding claims, wherein the cover (2) comprises one or more preferably parallel linear prisms.
  5. Illumination device according to any one of the preceding claims, wherein, on a side (12) of the cover (2) facing towards the housing, a latch engagement hook (8) is arranged, and a latch engagement hook reception point (10) is formed on the reflector element (4), in such a way that, in the installed state, the latch engagement hook (8) engages behind the latch engagement hook reception point (10).
  6. Illumination device according to any one of the preceding claims, wherein, on the side (12) of the cover (2) facing towards the housing, a plurality of latch engagement hooks (8) are formed, spaced at a distance from one another.
  7. Illumination device according to claim 5 or one of the claims preceding, wherein the latch engagement hook reception point (10) is formed in the region of longitudinal sides of the reflector element (4).
  8. Illumination device according to any one of the preceding claims, wherein a sealing element (7) is arranged between the housing (1) and the cover (2).
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DE102013018549A1 (en) 2015-05-07

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