EP3276256A1 - Dispositif d'éclairage - Google Patents
Dispositif d'éclairage Download PDFInfo
- Publication number
- EP3276256A1 EP3276256A1 EP17183019.3A EP17183019A EP3276256A1 EP 3276256 A1 EP3276256 A1 EP 3276256A1 EP 17183019 A EP17183019 A EP 17183019A EP 3276256 A1 EP3276256 A1 EP 3276256A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lighting device
- light
- base element
- connection
- conducting element
- 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.)
- Pending
Links
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Images
Classifications
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- 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
- F21V17/16—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
- 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
- F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels
- F21V27/02—Cable inlets
-
- 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
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Definitions
- the present invention relates to a lighting device.
- Known lighting devices which has at least one light emitting diode or preferably a plurality of light emitting diodes, are usually used for the substitution of the long known fluorescent tube. Depending on the design, we therefore speak of LED linear luminaires in this context. Such lighting devices are for example from the DE 20 2012 101 571 U1 and the DE 10 2013 213 767 A1 known.
- the lighting device according to the invention is characterized in particular by the fact that the lighting device comprises a base element and a light guide element connected to the base element, wherein the lighting device has at least one light emitting diode, wherein at least a portion of the wall of the light guide element with an inner surface facing the light emitting diode is transparent, wherein at least one chamber is formed in the base element, the chamber being delimited at least in sections by a base element wall, and the base element wall bounding the chamber at least partially having a metal reinforcement.
- the lighting device according to the invention solves the problem of the invention completely.
- the lighting device is more stable than those of the prior art, ensures an improved dissipation of the heat generated by the LEDs and has an increased functionality.
- the lighting device is formed such that two chambers are formed in the base element.
- two chambers are formed in the base element.
- this is very particularly stable, especially in terms of stiffness and torsional rigidity.
- the thermal management of such a lighting device is improved by the formation of two chambers, since a more favorable distribution and release of the heat generated by the light-emitting diodes, can take place.
- these chambers can also be foamed or have another filling.
- such a lighting device according to the invention with two chambers also increased functionality, as in the chambers, for example, ballasts, drivers, cables, especially power cables for the power to operate the LEDs and ballasts and drivers, data cables to the light emitting diodes and sensors, and sensors and further electrical components, in particular busbars, for example, for contacting an adjacently arranged lighting device are receivable.
- the heat can readily by the limiting the chamber base element wall, which has at least partially a metal reinforcement, received and forwarded and discharged.
- the two chambers of such a lighting device according to the invention are formed symmetrically with respect to a mirror plane. This results in a very high stability of the lighting device. Also, by this measure, the necessary for the production of the base member tool and the production of the base member itself is simplified.
- a base element wall is formed which limits the chamber.
- the base element wall has at least partially a metal reinforcement.
- the metal of the metal reinforcement of the base member wall may be selected from iron, steel, copper, aluminum, magnesium, brass, bronze, and the mixed composition of the foregoing.
- the metal reinforcement may be advantageously formed in the form of a film or tape, or by deposition in a plating process, or by sputtering or spin coating, or in a high vacuum process or in a 3D printing process.
- the metal reinforcement can be arranged on a surface of a wall of the base element made of polymer material or in a wall of the base element of polymer material, so that in the latter the metal in the wall, that is surrounded on both sides by polymer material.
- a metal foil or a metal strip is first brought into the desired spatial form, for example by a roll forming process, and then this suitably shaped metal is encapsulated in a coextrusion process with polymer material or polymer material is injection-molded onto it.
- a base element of any length can be easily manufactured, which can be cut to the required dimensions.
- the thickness of the metal reinforcement may advantageously be 50 ⁇ m to 500 ⁇ m.
- a base element wall formed in this way which at least partially has a metal reinforcement, is particularly advantageously suitable for receiving, passing on and emitting heat which is generated by the light emitting diodes of the lighting device during operation.
- the lighting device has a base element and a light-conducting element connected to the base element.
- the base element of the lighting device may consist of a polymer material with flame-retardant properties or a high fire resistance, so that effective protection can be provided in case of fire.
- a polymer material with flame-retardant properties or a high fire resistance so that effective protection can be provided in case of fire.
- melt drops for example made of polycarbonate or polymethyl methacrylate
- the wall of the light pipe element is a closed wall made of a polymer material, this wall is a very effective barrier between the lighting device and the environment, and thus protects against the ingress of media, which would reduce the functionality and / or life of the lighting device ,
- At least one region of the wall of the light-conducting element with an inner surface facing the light-emitting-light exit surface is transparent or consists of a translucent polymer material, so that light generated by the lighting device or the light-emitting diode (s) blasted into the surroundings of the lighting device can be.
- the wall of the light-conducting element entirely consists of a light-permeable polymer material.
- a light pipe element can be produced particularly advantageously in a simple and practical manner by extrusion, extrusion blow molding and / or coextrusion or injection molding or deep drawing due to the restriction to a single type of material.
- the light-conducting element may particularly preferably be an injection-molded or extruded light-conducting element.
- injection molding or extrusion a variety of Light pipe elements are produced in a series production in a simple and practical way.
- the light-conducting element in one of the aforementioned methods, it is also possible for the light-conducting element to be produced using a generative production method, in particular in one piece, for example by a 3-D printing method.
- a data processing machine-readable three-dimensional model can advantageously be used for the production.
- the invention also includes a method for generating a data processing machine readable three-dimensional model for use in a light pipe element manufacturing method. Specifically, the method also includes inputting data representing a light pipe element into a data processing machine and using the data to represent a light pipe element as a three-dimensional model, the three-dimensional model being suitable for use in fabricating a light pipe element. Also included in the method is a technique wherein the input data of one or more 3D scanners operating on either touch or non-contact, the latter being energy delivered to a light pipe element and receiving the reflected energy, and being a virtual three dimensional Model of a light pipe element using a computer-aided design software is generated.
- the light pipe element according to the invention may be wholly or partly made using a line-building or layer-building manufacturing process.
- the light-conducting element according to the invention may be wholly or partly manufactured line by line or in layers by a material application. It can be used with great advantage, a 3D data set during construction or in the production.
- the light-conducting element-in particular also for the realization of a simple producibility by injection molding or extrusion-can be formed particularly advantageously in one piece.
- the light pipe element may be formed in one piece and transparent.
- the polymeric material constituting or containing the optical fiber element may comprise homo- and / or copolymers and / or mixtures thereof. This polymer material may preferably also be uncrosslinked, partially crosslinked or fully crosslinked.
- the polymer material constituting or containing the optical fiber element may preferably be selected from fluoropolymers, fluorine-containing polyurethane, silicones, polyolefin homo- and / or polyolefin copolymers, cyclic polyolefin copolymers (COC, COP), poly-alpha-olefin copolymers, polyolefin elastomers, ionomers, polyesters, polyester copolymers, polyvinyl chloride, polyamide, polystyrene, polystyrene copolymer, methyl methacrylate-acrylonitrile-butadiene-styrene copolymer, acrylic ester-styrene-acrylonitrile copolymer, styren
- the translucent polymer material which consists of the light-conducting element or the wall of the light-conducting element, comprises partially or entirely homo- and / or copolymers and / or mixtures thereof.
- the translucent polymer material can be uncrosslinked, partially crosslinked or fully crosslinked.
- the translucent polymer material may be selected from fluoropolymers, silicones, polyolefins, polystyrenes (SMMA, SAN), polyamides, acrylate copolymers, polyacetates, polyphenylene sulfone, polyethersulfone, polyethylene terephthalate, polybutylene terephthalate, polymethyl (meth) acrylates, poly (meth) acrylates, polycarbonate, polyurethanes, and may contain fillers (such as fire and flame retardant additives).
- fluoropolymers silicones, polyolefins, polystyrenes (SMMA, SAN), polyamides, acrylate copolymers, polyacetates, polyphenylene sulfone, polyethersulfone, polyethylene terephthalate, polybutylene terephthalate, polymethyl (meth) acrylates, poly (meth) acrylates, polycarbonate, polyurethanes, and may contain fillers (
- the wall of the light-conducting element may at least partially consist of glass.
- the light generated by the lighting device can advantageously radiate or be transmitted to the outside or into the surroundings of the lighting device without substantial distractions.
- translucency or a “translucent training” is mentioned, it is meant that this translucent or translucent education at least for a portion of the spectrum of visible light or for the entire Spectrum of visible light is present.
- the base element of the lighting device of the present invention may also comprise, include or consist of a polymer material according to the above list. It is not necessary that the polymer material of the base member is made translucent. It is preferred if the polymer material is colored. A partial light transmission of the base member may be desired for various reasons.
- the lighting device has at least one light-emitting diode, wherein the light-emitting device preferably has a plurality of at least five or at least ten or at least twenty light-emitting diodes.
- light-emitting diodes are also understood as meaning “LED chips” and so-called “pixelated LEDs”.
- the light emitting diodes of the lighting device can be arranged, for example, in succession in a row or arranged in a single row or in a multi-row.
- the lighting device is preferably between 10 cm and 10 m long and preferably has between three and thirty light-emitting diodes on a longitudinal section of 10 cm, depending on the design and the requirements with respect to luminous flux and light distribution.
- the light-conducting element is detachably or non-detachably connected to the base element.
- the lighting device can be configured such that the light-conducting element is connected to the base element by a plug connection or a latching connection or a welded connection or an adhesive connection or a combination of the aforementioned.
- the light-conducting element can be connected to the base element by means of a plug connection.
- the light-conducting element can be connected to the base element by means of a latching connection.
- the light-conducting element can be connected to the base element by means of a welded connection.
- the light-conducting element can be connectable to the base element by means of an adhesive connection.
- the base element may in particular be a base element which can be fastened to a building wall, in particular also a ceiling.
- the entire lighting device can be held on the building wall via the base element or connected to the building wall.
- the base member may be configured in a manner known to those skilled in the art to be attached to the building wall.
- the base element may, for example, be screwed to the building wall or be glued to the building wall, for example, or fastened to a latching device, for example with the building wall.
- the lighting device is coated with a protective element, in particular with a shrink tube.
- the protective element can advantageously be designed in the form of a sleeve, a tube or tubular and / or tubular or preferably have a tubular and / or tubular section.
- the protective element can be designed in the form of a rectilinear pipe.
- a tubular protective member having a circumferential wall bounding the cavity of the tubular protective member can be manufactured in a very simple and practical manner by extrusion or injection molding.
- the coating of the lighting device with a protective element in the form of a protective lacquer can also be provided.
- the protective element can particularly preferably also consist of a shrunk-on shrink-tube material shrunk onto the lighting device or be configured in the form of a shrunk-on shrunk onto the lighting device, whereby advantageously a very tight tight connection between the protective element and the lighting device can be realized.
- the protective element or the wall of the protective element can comprise a light-transmissive element and a base element or consist of a light-transmitting element and a base element, wherein the light-transmitting Element is detachably connected to the base element, and wherein the base element with the base element - for example latching - is connectable.
- the lighting device according to the invention is completely encapsulated.
- the lighting device according to the invention can therefore be used in a completely encapsulated design, in particular in fattening operations with ammoniacal gases which have a strong corrosive effect, without the ammoniacal gases having a detrimental effect on the lighting device received in the protective element or on the protective element accommodated in the protective element Section or longitudinal section of the lighting device have.
- the protective element is advantageously an effective barrier to protection against chemicals, gases, vapors, liquids and moisture.
- the thus formed cavity of the lighting device has in a particularly preferred embodiment, two open ends, each end of the cavity at least partially closed by a closure cap, which consists for example of a polymer material or contains such.
- a closure cap which consists for example of a polymer material or contains such.
- each end of the cavity is completely or completely closed by the respective closure cap, whereby a contact of the lighting device to corrosive media in the vicinity of the lighting device can advantageously be excluded or almost excluded.
- At least one of the closure caps can be made at least partially or wholly translucent or at least partially or entirely consist of a translucent polymer material. Depending on the application, a light-permeable design of at least one of the closure caps may be desired in order to let light generated by the lighting device also pass through the closure cap to the outside.
- Each of the closure caps can be connected to the ends of the cavity, preferably at the peripheral edge with a portion of the base member and a portion of the light pipe member materially connected, in particular welded or glued to close the ends of the cavity.
- the chamber of the base element has two open ends, each end at least partially closed by a closure cap, which consists for example of a polymer material or contains such.
- a closure cap which consists for example of a polymer material or contains such.
- each end of the chamber is completely or completely closed by the respective closure cap, whereby a contact of the lighting device to corrosive media in the vicinity of the lighting device can advantageously be excluded or almost excluded.
- At least one of the closure caps may be at least partially or completely opaque or at least partially or entirely consist of an opaque polymer material. Depending on the application, an opaque formation of at least one of the closure caps may be desired in order to prevent light generated by the lighting device from passing through the closure cap to the outside.
- Each of the sealing caps can be connected in a material-locking manner, in particular welded or glued, to a section of the base element for closing the ends of the chamber, preferably at the circumferential edge.
- the lighting device has at least one electrical cable or an electrical line or a bus bar, which is set up for the power supply of the lighting device and / or for transmitting control signals to the lighting device.
- the electrical cable can also serve to forward monitoring signals of the lighting device.
- an electrical cable can be used advantageously to connect in this way a plurality of adjacent lighting devices with only one electrical cable to a power source.
- the electrical cable can be connected to a plug, so that the lighting device is designed ready for connection.
- the electrical cable can be a connection cable which is set up for the power supply of the lighting device and / or for the transmission of control signals to the lighting device.
- the lighting device according to the invention can thus be designed such that it is designed ready for connection and has a connecting cable which is set up for the power supply of the lighting device and / or for the transmission of control signals to the lighting device,
- the closure caps of the chamber of the base member may be configured so that the cable is inserted from the plug continuously through the closure cap into the chamber.
- the closure caps may also include holding devices to hold, for example, drivers and other electrical components.
- a lighting device formed according to this practical embodiment can be assembled in a simple and practical manner.
- the cap with the plug and the cable with the lighting device to connect to close the respective end of the chamber or at least partially close, wherein when connecting or closing the plug on the light emitting device facing the end of the cable can be connected to the mating connector on the lighting device or the plug and the mating connector can be plugged into each other.
- connection process for connecting the cap with the end of the chamber or with the lighting device and the connection with the electrical cable for the power supply and / or control signal supply of the lighting device can be accomplished.
- a seal or a liquid seal is provided to avoid a liquid supply to the plug or to seal the plug against penetrating liquid, which is clamped between the cap and the recorded in the cap portion of the cable and extends circumferentially around the portion ,
- a clamping liquid seal held a very effective protection of the plug and thus also the mating connector and the lighting device can be realized against damaging or corrosive liquid or moisture.
- a strain relief for the electrical cable is provided in order to avoid that the electrical cable in tensile stress transmits this in an undesirable manner to other components.
- the use of a seal mentioned above can also be dispensed with, in that the portion of the cable accommodated in the closure cap has a peripheral outer surface which has at least one material connection to the closure cap for sealing against penetrating liquid.
- at least one cohesive connection which preferably extends circumferentially around the circumferential outer surface of the cable section or extending circumferentially and preferably circumferentially around the peripheral outer surface, the contact of the chamber with liquid or moisture of the external environment can be advantageously excluded or almost excluded ,
- the base member and the light pipe element which are plug-in and / or latching connected to each other, are connected to each other after the manufacture of the male and / or snap-in connection by gluing and / or by welding.
- At least one sealing element is arranged on the base element and / or on the light-conducting element in the region of the plug-in or snap-in connection, with which the plug-in or latching connection of the two elements after the plug-in or latching connection is plugged or latched connected to each other.
- closed wall or a closed wall of the light pipe element of the light pipe element
- the closed wall defines or limits only one cavity which of course may also have at least one open end, via which the cavity is connected to the outside environment or via which the cavity is accessible from outside the cavity or from outside the light-conducting element.
- the lighting device Due to the envisaged releasable connectivity of base element and light-conducting element, the lighting device can be formed in a simple and practical media-tight. Furthermore, the expense of realizing the latching connection between the base element and the light-conducting element can be simplified by the provided releasable connectivity of base element and light-conducting element.
- the detachable connection of the light-conducting element to the base element can be realized in any manner known to the person skilled in the art.
- the releasable connection may comprise at least one detachable latching connection or at least one detachable snap-in connection or at least one detachable clip connection or at least one detachable positive-locking connection or at least one detachable screw connection.
- the at least one region of the wall of the light-conducting element that has the inner surface facing the light-emitting diode light-emitting surface is a region of the light-conducting element or that this region is provided on the light-conducting element.
- the cavity may be filled to improve the barrier properties and / or the media resistance and / or the thermal conductivity. As a result, the electrical insulation is improved or the risk of short circuit is improved.
- the pouring can be done, for example, with acrylate resin or cast resins.
- a lighting device 10 according to the present invention is shown in a schematic cross-sectional view.
- the rectilinearly extending light fixture 10 comprises an elongate and rectilinearly extending base member 11 and an elongate and rectilinear optical fiber element 18 made of a polymeric material.
- the rectilinearly extending lighting device 10 has a plurality of series-sequentially arranged LEDs 13, of which in the Thomasdarstelllung Fig. 1 only one is illustrated.
- An elongated cavity is formed in the lighting device 10 between the base member 11 and the light pipe member 18.
- the lighting device 10 also has an in Fig. 1 unillustrated electrical cable adapted for powering the lighting device 10 and for transmitting control signals to the lighting device 10 from an unillustrated external power source and control signal source.
- the electrical cable is connected to a plug of the lighting device 10, which is not illustrated, and is led out of the lighting device 10, which is also not illustrated.
- the light-conducting element 18 has a wall 19 delimiting the cavity.
- the wall 19 is a closed wall 19 made of a polymer material. Characterized in that the wall 19 is a closed wall 19 made of a polymer material, this wall 19 is a very effective barrier against a corrosive medium in the vicinity of the lighting device 10, in particular, when the light pipe element 18 is sealed to the base member 11.
- the lighting device 10 comprises a base element 11 with a base element wall 14, which consists of a polymer material 15 and a metal reinforcement 16 provided in sections.
- the light-emitting diodes 13 are attached to a carrier element 12, which is fixed in the base element 11 by holding elements 33.
- the lighting device 10 has a light-conducting element 18 made of a transparent polymer material.
- the region 20 of the wall 19 of the light-conducting element 18, which has an inner surface 21 facing the light-emitting diode light-emitting surface, is translucent, so that light generated by the light-emitting diodes 13 can be radiated into the surroundings of the lighting device 10.
- the light pipe element 18 is formed in cross section in the form of a segment of a circle.
- the light-conducting element 18 may also be formed, for example, at least partially rectangular or polyhedral or elliptical or concave or in a mixed form thereof.
- the LED light-emitting surface of the light emitting diode 13 is in the embodiment according to Fig. 1 spaced from the inner surface 21 of the wall 19 of the light-conducting element 18, but in an alternative embodiment, also on the inner surface 21 of the wall 19 of the light-conducting element 18 abut or lie flat and cohesively connected to the inner surface 21 of the wall 19.
- the lighting device 10 may also have any other design.
- ballast 22 for the operation of the light emitting diode 13 and cable 23 for the power supply to the light emitting diode 13 and to further electrical components of Illuminating device 10 was added.
- the chamber 17 limiting base element wall 14 is made of polymer material 15, in which at least partially a metal reinforcement 16 is introduced.
- the arrangement of the metal reinforcement 16 in the chamber 17 limiting base element wall 14 is in the Fig. 1 illustrated only by way of example. It goes without saying that, depending on the prevailing requirements, the metal reinforcement 16 of the base element wall 14 can also be arranged differently, then in another embodiment of the invention, the entire base element wall 14 delimiting the chamber 17 can have a metal reinforcement 16.
- the metal reinforcement 16 may be arranged on the surface of the base element wall 14 and / or in the polymer material 15 of the base element wall 14.
- the metal reinforcement 16 in and / or the base element wall 14 delimiting the chamber 17 results in a high rigidity and strength of the base element 11.
- the base element 11 and the light-conducting element 18 are connected to one another in the case of the lighting device 10 according to the invention.
- a welded joint 26 may be realized, wherein the polymer material 15 of a portion of the base member 11 is bonded to the polymeric material of a portion of the light pipe member 18 by welding.
- the polymer material 15 of a section of the base element 11 may be connected in sections, punctiformly or over the entire length of the base element 11 or light-conducting element 18 to the polymer material of a section of the light-conducting element 18.
- a projection 32 is formed on the base element 11, which can interact with an end section 30 on the light-conducting element 18.
- a welded joint 26 may be formed.
- a base element 11 of a lighting device 10 is shown in a schematic cross-sectional view.
- connection cable 29 which has a plug for connection to a power and / or data or signal source, is connected to the chamber 17 of the base element 11 to a cable 23.
- the cable 23 may be guided laterally via an opening in the end caps or in the region of the base element 11.
- the connecting cable 29 stands in contact with the cable 23 in the chamber 17 of the base element 11, so that the light-emitting diode 13, not shown here, can be supplied with current and / or data or signals by the cable 23 connected to it.
- a light-conducting element 18 of a lighting device 10 is shown in a schematic cross-sectional view.
- the light pipe element 18 is made of a polymer material.
- the wall 19 of the light-conducting element 18 is at least partially translucent.
- the light pipe element 18 is formed in cross section in the form of a segment of a circle.
- end portions 30 having end portion inner surfaces 31 are provided.
- the light-conducting element 18 is formed symmetrically with respect to a mirror plane, which runs perpendicularly in the plane of the drawing and halves the light-conducting element 18.
- the thickness of the wall 19 of the light pipe element 18 is approximately equal at all points.
- FIG. 3 shows a section of a lighting device 10 in a first embodiment in a schematic cross-sectional view.
- a projection 32 is formed on the base element 11, which interacts with an end section 30 on the light-conducting element 18.
- the gap shown here between the projection 32 and the end portion inner surface 31 does not exist in the actual embodiment, here the end portion inner surface 31 abuts against the opposite surface of the projection 32, thus forming the connector.
- the Fig. 5 shows a section of a lighting device 10 in a second embodiment in a schematic cross-sectional view.
- a projection 32 is formed on the base element 11, which interacts with an end section 30 on the light-conducting element 18.
- a latching element 24 protrudes in the form of one of the Endabitessinnen Chemistry 31 of the end portion 30 of the light pipe 18, which provided in the connection state of the base member 11 with the light pipe element 18 in a on the end portion inner surface 31 opposite surface on the projection 32 of the base member 11 Locking recess 25 engages.
- This locking connection combines various advantages: by snapping the locking element 24 into the recess provided for this purpose, the installer of the lighting device 10 receives an audible and tactile feedback on the proper installation during assembly.
- the light-conducting element 18 is securely held on the base element 11, for example, when the lighting device 10 is installed on a room ceiling.
- the latching connection can be reversibly opened and closed, which is particularly advantageous to replace either the support member 12 with the light emitting diode 13 or the electronic components (such as the ballast 22) or to maintain.
- the Fig. 6 shows a section of a lighting device 10 in a third embodiment in a schematic cross-sectional view.
- a projection 32 is formed on the base element 11, which interacts with an end section 30 on the light-conducting element 18.
- a welded joint 26 is formed between the end portion inner surface 31 at the end portion 30 of the light pipe member 18 and the end portion inner surface 31 opposite surface on the projection 32 of the base member 11.
- the polymer material 15 of the projection 32 of the base member 11 is connected to the polymer material of the end portion 30 of the light pipe member 18 by a welding operation.
- Fig. 6 alternatively shows a plug connection with a seal 27 between the base member 11 and the light-conducting element 18 of the lighting device 10th
- the seal 27 is clamped between the base member 11 and the light pipe member 18.
- FIG. 7 a section of a lighting device 10 in a fourth embodiment in a schematic cross-sectional view.
- a projection 32 is formed on the base element 11, which interacts with an end section 30 on the light-conducting element 18.
- a protective element in the form of a shrink tube 28 is pulled over the lighting device 10, which fits tightly against the outside of the lighting device 10 and protects it from corrosive media.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (1)
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DE202016104177.5U DE202016104177U1 (de) | 2016-07-29 | 2016-07-29 | Leuchtvorrichtung |
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EP17183019.3A Pending EP3276256A1 (fr) | 2016-07-29 | 2017-07-25 | Dispositif d'éclairage |
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DE102018109401A1 (de) * | 2018-04-19 | 2019-10-24 | Zumtobel Lighting Gmbh | Stromschiene mit LEDs |
Citations (4)
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WO2010035986A2 (fr) * | 2008-09-24 | 2010-04-01 | 화우테크놀러지주식회사 | Dispositif d'éclairage à diodes électroluminescentes de type lampe fluorescente |
DE202011050646U1 (de) * | 2011-07-06 | 2011-08-25 | Plastimat Gmbh | Leuchtröhre |
WO2015057006A1 (fr) * | 2013-10-18 | 2015-04-23 | Samsung Electronics Co., Ltd. | Appareil d'éclairage et système d'éclairage |
WO2015069104A1 (fr) * | 2013-11-11 | 2015-05-14 | Silicon Hill B.V. | Profilé pour tube à del, tube à del comprenant ledit profilé et procédé d'assemblage d'un tube à del |
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EP1813857A1 (fr) * | 2006-01-27 | 2007-08-01 | Lucea AG | Source de lumière |
KR100997646B1 (ko) * | 2010-04-02 | 2010-12-01 | 루미리치 주식회사 | 발광다이오드 조명등 |
DE202010005696U1 (de) * | 2010-06-22 | 2010-09-30 | Unity Opto Technology Co., Ltd., San Chung City | Lampenanordnung |
DE202012001906U1 (de) * | 2012-02-24 | 2012-03-23 | Ledboss Ug | LED-Leuchtröhre |
DE202012101571U1 (de) | 2012-04-26 | 2013-04-29 | Lichtline Gmbh | Beleuchtungsmittel mit zumindest einer Lichtquelle |
DE102013213767A1 (de) | 2013-07-15 | 2015-01-15 | Ridi Leuchten Gmbh | Leuchte mit Leuchteinrichtung |
US9500344B2 (en) * | 2014-03-21 | 2016-11-22 | G&G Led | Lighting device and housing therefor |
-
2016
- 2016-07-29 DE DE202016104177.5U patent/DE202016104177U1/de active Active
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- 2017-07-25 EP EP17183019.3A patent/EP3276256A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2010035986A2 (fr) * | 2008-09-24 | 2010-04-01 | 화우테크놀러지주식회사 | Dispositif d'éclairage à diodes électroluminescentes de type lampe fluorescente |
DE202011050646U1 (de) * | 2011-07-06 | 2011-08-25 | Plastimat Gmbh | Leuchtröhre |
WO2015057006A1 (fr) * | 2013-10-18 | 2015-04-23 | Samsung Electronics Co., Ltd. | Appareil d'éclairage et système d'éclairage |
WO2015069104A1 (fr) * | 2013-11-11 | 2015-05-14 | Silicon Hill B.V. | Profilé pour tube à del, tube à del comprenant ledit profilé et procédé d'assemblage d'un tube à del |
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