EP3969806A1 - Leuchte mit geschützt gelagerten leuchtmitteln - Google Patents
Leuchte mit geschützt gelagerten leuchtmittelnInfo
- Publication number
- EP3969806A1 EP3969806A1 EP20701946.4A EP20701946A EP3969806A1 EP 3969806 A1 EP3969806 A1 EP 3969806A1 EP 20701946 A EP20701946 A EP 20701946A EP 3969806 A1 EP3969806 A1 EP 3969806A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- seal
- holding element
- housing
- light
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/043—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures mounted by means of a rigid support, e.g. bracket or arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- 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
- F21V17/12—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 screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
- F21V23/009—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- 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
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] 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 luminaire which has lighting means which are to be protected efficiently from external influences.
- the present invention relates to what is known as a high bay light.
- Highbay lights are lights that are used for example
- Lighting of larger halls or industrial complexes can be used.
- the luminaires are usually mounted at a relatively large distance from the floor, which is why there is a requirement that the luminaire generates light with high intensity, which then shines on the
- Illuminants are protected from external influences, in particular from moisture and / or dust.
- a lamp of the type described above is, for example, from
- WO 2014/086770 A1 known to the applicant.
- the luminaire described here is essentially formed by a die-cast aluminum body that has large-area cooling rib structures and cooling channels for dissipating the high heat generated during operation of the lamps.
- Equipment is positioned in the middle between two elongated LED arrays, the design of the
- Die-cast body is such that air can also flow around a centrally arranged housing in which the operating means are accommodated in order to enable sufficient heat dissipation.
- a thermal decoupling between the housing for the equipment and the areas of the lamp body in which the lighting means are arranged is largely achieved.
- the luminaire known in the prior art has proven itself many times and is characterized by its excellent light output and, at the same time, high operational reliability.
- Die-cast aluminum body is relatively high and the lamp itself consists of several parts, which on the one hand leads to high material costs and on the other hand to increased effort when installing the light.
- the present invention is therefore based on the object of specifying a possibility of providing a lamp that is comparable in terms of its photometric properties, in which efficient protection of the lighting means against external influences is guaranteed, but the cost of manufacturing and mounting the lamp is reduced.
- the luminaire housing has an area for receiving the illuminant, which is surrounded by a seal all the way round and closed. Furthermore, a cover is provided, which stretches over the area for receiving the illuminant and rests against the seal in a closed circumferential manner in order to form a closed space, the
- Cover has optics for influencing the emitted light. Furthermore, a holding element is provided which is designed such that it is with the
- Luminaire housing can be connected and this presses the cover in contact with the seal.
- the space for the lighting means is efficiently enclosed by the interaction between the cover and the seal; on the other hand, the light output of the lamp can be influenced in the desired manner by using suitable optics.
- a lamp which has:
- the illuminant is tensioned and rests against the seal in a completely closed manner to form a closed space with the luminaire housing, the cover having optics for the passage of the light from the illuminant
- a holding element the holding element being connected to the lamp housing in such a way that the frame section presses the cover into contact with the seal.
- the luminaire housing has a further area for receiving electrical and / or electronic luminaire components, this further area also being surrounded by a further seal in a closed circumferential manner.
- the lamp has a further cover, which spans the further area and rests against the further seal in a closed circumferential manner in order to again form a closed space with the lamp housing, the holding element in this case as well the further cover presses against the seal.
- Both holding elements are preferably formed integrally with one another
- the cover having the optics for the passage of the light from the lighting means is of course preferably designed such that it consists of a
- the corresponding cover consists of translucent material and accordingly enables light output. If, however, another space enclosed in the manner according to the invention is used to accommodate, for example, other electronic components such as operating devices or the like, the corresponding cover can also be designed in the form of an opaque hood.
- the holding element and the associated cover can be formed integrally with one another, preferably in a two-component
- the cover is present as a separate component and the holding element is supporting or
- support areas via which the cover is pressed into contact with the seal.
- These support or contact areas can be distributed circumferentially, preferably evenly distributed or provided closed on the circumference, the support or contact areas then extending in a plane which is oriented transversely or orthogonally to a pressing direction for pressing the cover into contact with the seal.
- the housing has an area for receiving an operating device or other electrical and / or electronic lighting components, it can be provided that the associated
- Cover is an integral part of the holding element or a separate cover element.
- the optics assigned to the cover can either be an integral part of the cover or in turn be in the form of a separate component which is held by the cover.
- the optics can in particular have a multiplicity of lenses or a lens array, although the use of other light-scattering or light-influencing structures such as prisms or the like would also optionally be conceivable.
- the cover or an optical system held by the cover has holding structures which are in operative connection for the defined relative positional positioning between the cover and the illuminant. This can be one or more peg-like positioning pins which engage in correspondingly corresponding openings in the lighting means.
- the cover preferably has a circumferential edge which is in circumferentially closed, sealing contact with the seal, preferably runs out towards the seal in order to be in sealing contact with it and
- the peripheral edge can in particular have a U-shaped cross section, with an outer leg tapering towards the seal, a connecting leg extending transversely thereto and a connecting leg connecting the connecting leg to the further cover
- Inner limb, the connecting limb preferably forming a support area of the cover, that is to say interacts with the holding element in such a way that it presses the cover against the seal in the mounted state on the lamp.
- the luminaire housing has one or more through openings which can be used for the flow of cooling air and which are preferably adjacent and in particular at the edge of the areas for receiving the lighting means or others
- the holding element has the through openings of the housing which correspond to and correspond to the through openings, so that a total of several
- Cooling air channels are formed which allow air to flow through.
- a circumferentially closed edge delimiting the through opening of the holding element preferably extends transversely to the section of the holding element that has it, preferably towards the through opening, in order to form a through channel with this or its edge, which is preferably completely closed laterally.
- the lamp housing is preferably made from sheet metal, in particular in a deep-drawing process. Compared to solutions known from the prior art, the housing can therefore be produced in a very simple and cost-effective manner, but nevertheless has all the structures or properties that are required to provide a luminaire with high and efficient light output
- Fig. 1 is a perspective view of a lamp with a
- FIG. 2 shows a further perspective view of the lamp according to FIG. 1 from above; 3 shows a view of the lamp corresponding to FIG. 1, wherein
- 9 to 11 are views of a first variant of a cover for the lighting means used in the lamp.
- FIGS. 12 to 14 are views of a second variant of a cover for the lighting means used in the lamp;
- 15 and 16 are views of a component for bridging the sealing structures surrounding the receiving areas of the lamp housing; 17 to 19 representations for attaching a seal surrounding the receiving areas to the lamp;
- 20 and 21 are views of a further exemplary embodiment of a lamp with a lamp housing designed according to the invention.
- 22 and 23 are views of a variant of the frame-like holding element
- 24 and 25 are views of a separate cover element, which is used in the
- Holding element of Figures 22 and 23 is provided; and 26 and 27 show the holding element of FIGS. 22 and 23 and the cover element of FIGS. 24 and 25 in the assembled state.
- the lamp according to the invention which is explained in more detail below and is provided with the reference number 1 in the figures, is intended, as already mentioned, to form a so-called highbay lamp which, as a compact but powerful lamp, is suitable for use as a hall lamp, for example.
- a so-called highbay lamp which, as a compact but powerful lamp, is suitable for use as a hall lamp, for example.
- WO 2014/086770 A1 of the applicant described lamp is therefore provided to arrange the lamp 1 according to the invention shown here at a relatively large distance from the floor, whereby light with high intensity is to be generated, which is then radiated onto the area below - for example a hall .
- Components corresponds accordingly to the arrangement as it is also provided in the luminaire of WO 2014/086770 A1.
- the inventive concept can, however, also be applied to other lamp shapes, as will be explained at a later point in time.
- the essential components of the lamp 1 according to the invention are a
- the lamp according to the invention is also divided into three areas, a central area running centrally along a longitudinal direction, which is used to accommodate an operating device, and two on both sides of the central area Area formed light emission areas in which the lighting means and the optical components assigned to the lighting means for the light emission are arranged. In the view according to FIG. 1, light is emitted via two im
- the lamp 1 can be suspended or mounted with the aid of brackets 150, which are connected to the housing 10 at the two end faces of the central area on the rear side.
- the brackets 150 are designed in such a way that they can be hung or attached of suspension elements.
- other mounting solutions for the lamp 1 would also be conceivable.
- the luminaire housing 10 is trough-shaped with an approximately square housing base 11 in the illustrated embodiment, from which a laterally circumferential housing wall 12 extends downward or in the direction of the light emitting beam of the luminaire 1 , with housing bottom 11 and housing wall 12 one
- the housing 10 is preferably made of sheet metal and is manufactured using a deep-drawing process, so that it can be manufactured simply and inexpensively.
- the structural elements of the housing 10, which are described in more detail below, can therefore be formed in a relatively simple manner in a single work step; a punching step may be required before or after deep drawing in order to form the through openings and further openings described in more detail below.
- the primary task of the housing bottom 11 is to accommodate a flat surface
- the housing 10 is designed in such a way that the housing base 11 forms three essentially flat areas on its side facing the interior of the housing 10, a central flat area 20 and two lateral flat areas 25.
- the central area 20 is here for receiving a can be seen in FIG.
- Operating device 120 provided for example in the form of a converter. In terms of its width, it is essentially the same as the width of the operating device 120 adapted and accordingly dimensioned somewhat narrower than the two lateral receiving areas 25. All three areas 20 and 25 are defined as being here
- the two lateral receiving areas 25 each serve to support one or more LED boards 130, each of which forms a large-area light source.
- LED boards 130 each of which forms a large-area light source.
- Figure 3 is only on the left side
- All three receiving areas 20 and 25 are designed to be planar, apart from the depressions described below, in order to enable either the operating device 120 or the LED boards 130 to be supported over a large area. This enables the heat to be transferred to the housing base 11 during operation, thereby improving the cooling of the lighting components 120, 130 and the dissipation of heat.
- Luminaire housing 10 can then be made, for example, with the aid of a screw connection, for this purpose the housing base 11 in the receiving areas 20 and 25 with knobs or knobs protruding outward with respect to the luminaire space.
- Blind hole structures 27 is formed. These blind lock structures 27 are also created as part of the deep-drawing of the lamp housing 10 and enable their threads to be cut into the corresponding sheet metal material of the blind hole structure when the screws 135 are screwed in, and thus secure fastening is achieved without the housing base 11 being caused by the screw 135 is penetrated.
- This solution is advantageous insofar as it allows the housing base 11 to be sealed in the area of the fastening of the lamp components 120, 130. In principle, however, it would also be conceivable to subsequently weld or solder corresponding blind hole structures to the housing base 11. Pressing in a corresponding component, which then enables the lamp components 120, 130 to be screwed to the housing 10, would also be conceivable, whereby in all cases a solution is preferably sought that enables the lamp interior to be sealed to the outside in these areas.
- Only the central receiving area 20 additionally has a somewhat larger opening 26 on one end face, through which a
- Power supply cable for supplying power to the operating device 120 is made possible.
- there are corresponding ones on the rear of the housing 10 Sealing measures are provided, for example in the form of a grommet 140, which enable the power supply cable - not shown in detail - to be led out in a sealed manner, so that all three receiving areas 20 and 25 are sealed towards the rear when the lamp 1 is installed.
- An essential property of the luminaire 1 according to the invention is also that the operating device 120 and the LED lighting means 130 are not arranged together in a single tightly enclosed space, but instead are formed in each case corresponding to the flat receiving areas 20 and 25, each of which are sealed for themselves and either the
- Converter 120 or the LED lamps 130 take up.
- the separate arrangement of these lighting components 120, 130 in three separate rooms opens up the possibility of thermally decoupling the areas from one another on the one hand and allowing cooling air to flow through in the spaces between two adjacent receiving rooms on the other.
- the passage openings 30 are each delimited by a circumferentially closed edge which extends transversely to the section of the lamp housing 10 that has them.
- the through openings 30, which of course could also be designed differently with regard to their length and possibly shape, also cause a
- each receiving area is surrounded in a ring-like manner by a wave-like sealing structure 35 which forms a circumferential groove or recess 36 in which the seal 40 is received.
- the recess 36 thus forms a circumferential channel into which the sealing material can be introduced in a simple manner.
- This can be, for example, a corresponding PU foam that can be automatically injected into the recess 36 during the production of the lamp 1. It is advantageous if the corresponding ring-like depressions 36 all extend within the same plane, since this results in the automated
- the wave-like cross-sectional shape prevents the from flowing away
- sealing material which collects at the deep point of the wave-like sealing structure 35 and will harden slightly here accordingly.
- other sealing materials or foams could also be used to realize the seal 40.
- a strand of a corresponding sealing material could be inserted into the
- depressions 36 are inserted.
- structural sealing materials would also be conceivable, in which case the illustrated wave-like sealing structure 35 could also be dispensed with.
- the formation of a simple circumferential groove for receiving the sealing material would also be conceivable.
- the wave-like structure also has the further advantage that it leads to an additional increase in the stability of the tub body.
- Channel sections which run transversely to the sealing structures 35 and interrupt them locally can then be used, starting from the operating device 120, to lead the lines or cables required to power the LEDs 130 into the adjacent area 25, a particularly preferred one Embodiment for this will be explained in more detail at a later point in time.
- Covers 70 and 80 is explained, the design of the circumferential housing wall 12 will be explained below.
- this consists of four side wall areas 13 extending from the housing base 11, which are designed in the context of the deep-drawing process in such a way that they widen away from the housing base 11 and thus in the form of a funnel in the beam direction of the lamp 1.
- the deep-drawing process advantageously leads to the side wall regions 13 merging into one another in one piece at the corners of the housing 10 and thus no further ones
- the luminaire housing 10 thus fulfills numerous important functions of the luminaire 1 and, despite everything, can be produced in a simple and inexpensive manner.
- the housing 10 provides the seals 40 surrounding these three areas 20 and 25, but it is necessary that the areas 20, 25 are covered accordingly to protect the lighting components 120, 130 from external influences, in particular from dust and / or moisture to protect.
- Luminaire housing 10 cooperates.
- the holding element 50 itself only interacts directly with the seal 40 surrounding the central receiving area 20 for the lamp operating device 120; the receiving areas 25 for the LED lighting means 130, however, pass through Optics or light-permeable covers described in more detail below are sealed, which, however, are supported by the holding element 50 in such a way that they interact in a sealing manner with the corresponding circumferential seals 40.
- the holding element 50 initially consists of a circumferential frame 51 which roughly corresponds to the shape of the lamp housing 10 and is therefore square, which is spanned by an approximately hood-like cover 52 in the middle area.
- This dome-like or hood-like cover 52 protrudes slightly compared to the plane of the underside (corresponding to the mounted orientation shown in FIG. 8) of the frame 51, so that it forms a somewhat recessed receiving space A or a chamber, as in the sectional view of FIG 8 can be found.
- the height and also the width of the cover 52 can of course be adapted as required to the dimensions of the operating device 120 and, if necessary, further electrical or electronic operating components for operating the LED lighting means 130 which are to be positioned in the area of the operating device 120.
- the use of an additional carrier would also be conceivable so that the components accommodated in this area can be stored in several levels.
- the underside of the cover 52 should not protrude beyond the plane of the circumferential edge 16 of the housing 10.
- the plane of the central receiving area 20 is set back slightly compared to the two lateral receiving areas 25. This can also be taken into account in the context of deep drawing during the manufacture of the housing 10.
- the hood-like cover 52 on its area facing the housing base 11 has a circumferentially closed edge 53 or an edge which, when the retaining element 50 is mounted on the lamp housing 10, contacts the seal 40, in particular - as shown - into the flexible one Material of the seal 40 is immersed.
- the central receiving space A is completely sealed together by the housing 10 and the holding element 50, so that the operating device 130 is safely and reliably protected from external influences.
- the fastening of the holding element 50 to the housing 10 takes place here via a plurality of screw connections, preferably in the
- Holding element 50 manufactured by injection molding has corresponding openings 55 or cylinder-like reinforcements with openings which correspond to bores 31 in the housing base 11 of the lamp housing 10.
- the bores 31 of the lamp housing 10 are each located outside the areas 20 to be sealed or 25, which is why simple bores or openings which completely penetrate the housing base 11 can actually be used here.
- the bores 31 could again be provided on their rear side with the blind hole structures already explained above. Furthermore, on the
- Holding element 50 also other through openings or latching structures for preferably releasable attachment to the light housing 10 can be provided optionally by means of separate attachment means, such as screws.
- a sealing corresponding to the previously described interaction between the cover 52 and the seal 40 is also provided for the two receiving areas 25 for the LED lighting means 130, which is shown in FIG.
- the holding element 50 itself does not come into direct contact with the seals 40, but this function is fulfilled by a transparent cover 70 or 80, respectively.
- These covers 70, 80 are formed in the area of the hood-like cover 52 on both sides
- Openings 56 of the frame 51 which ultimately form the Li chtab beam openings of the frame-like holding element 50, and are received by the
- FIG. 8 shows two different variants of the transparent covers 70, 80, which are each shown individually in FIGS. 9 to 11 and 12 to 14, respectively. In both cases, the cover also serves to influence the light emitted by the LEDs or the
- both variants are hood-like or dome-like
- Cover 70 and 80 provided that it has a flat light-emitting area 71, 81, which is circumferentially surrounded by a U-shaped edge 72, 82, one leg 73, 83 running out towards the seal 40, a connecting leg running transversely thereto and one the connecting leg with the rest of the
- Cover 70, 80 has connecting inner legs, the U-shape on the one hand increasing the stability of the cover 70, 80 and on the other hand the outer leg 73, 83 is directed upwards and forms a circumferential sealing edge 74, 84 in one plane.
- the function of this sealing edge 74, 84 is comparable to the edge 53 of the cover 52. That is, in the assembled state, the edge 74 or 84 dips into the circumferential seal 40 on the housing base 11 of the lamp housing 10 and thereby completely encloses the corresponding receiving area 25 for the LED lighting means 130. In this case too, a completely sealing system is thus achieved
- the holding or positioning of the cover 70 or 80 required for this is realized by the holding element 50, which has an inwardly protruding support edge 57 or a support web surrounding the two openings 56.
- the covers 70 and 80 then rest with their lower edge of the U-shaped edge 72 floating on the support edge 57, the dimensions of the holding element 50 being selected to ensure that the Cover 70 or 80 actually cooperates with the respective seal 40 in a sealing manner.
- the support edge 57 extends here in a plane transversely or orthogonally to a pressing direction for pressing the cover 70, 80 into contact with the seal 40.
- support or support areas formed in sections could also be provided, which then distributed, preferably evenly distributed on the circumference of the openings 56 are arranged.
- Cover 70 or 80 not rigid with the holding element 50 or the
- Luminaire housing 10 connected. Instead, when installing the lamp 1, only the cover 70 or 80 is correspondingly inserted into the holding element 50 and this is then screwed to the lamp housing 10 in the manner described above.
- the two variants of the cover 70 and 80 shown in FIGS. 9 to 14 differ primarily with regard to the mounting of further optical elements that are provided for influencing the light emitted by the LED lighting means 130.
- a lens 90 is used for each LED or LED cluster of the lighting means 130, the LED or the associated LED cluster then being inserted into the one formed on the upper side of the lens 90
- Recess 91 engages.
- This arrangement of the lens 90 with respect to the associated LED and the design of the lens 90 ensure that the light emitted by the LEDs in almost all directions is influenced in the desired manner and used for efficient light emission.
- the lenses 90 are an integral part of the cover 70 and are correspondingly integrally formed on the rear side thereof.
- the cover 70 is then preferably made entirely of the same light-permeable material, although those would also be conceivable
- Constituents through which light passes or which are intended to influence the light are to be formed from a different material than the rest of the cover 70.
- FIGS. 12 to 14 represents a particularly preferred embodiment for the cover 80, since the cover 80 now serves to additionally support a separate component 88 which contains the lenses 90.
- the cover 80 has on the light exit side
- the lens plate 88 can easily move to the side compared to the cover 80 or slight displacements are possible. This opens up the possibility that the sealing edge 84 of the cover 80 is permanently in contact with the seal 40 and, in spite of everything, the lens plate 88 can optionally move along with the LEDs.
- Housing bottom 11 of the lamp housing 10 can be appropriate for this
- Bulges 28 may be provided, the insertion of a corresponding
- FIGS. 12 to 14 represents, as already mentioned, a particularly preferred embodiment for designing the cover 80 and the associated optical system for influencing the light output.
- Another advantage of the mechanical decoupling between cover 80 and optics 88 is that that the optics and the underlying LED boards 130 are less prone to shock and thus damage due to vibrations - for example when transporting the lamp 1 - can be avoided.
- the optics can have optical materials such as scattering particles or conversion particles, optical structures such as a roughened surface, and / or optical elements such as lenses or a lens array.
- the choice of material can also be adapted to the desired light output, with a choice of material influencing the color tone or the color temperature of the light output being particularly conceivable.
- the cover 80 and the optics 88 there is also the possibility of the cover 80 and the optics 88
- a particularly chemically resistant material can then be selected for the cover 80, whereas the optics 88 are formed from a material which can be used in a particularly suitable manner for influencing the light.
- the cover 70, 80 in such a way that it is an integral part of the holding element 50.
- the advantage can be achieved that on the one hand the receiving space B or the chamber for the LED lamps is permanent 130 is sealingly enclosed and on the other hand the lenses 90 are correctly positioned with respect to the LEDs.
- the Sealing material 40 is glued to the corresponding edges or edges 53, 74 or 84, whereby the sealing effect can optionally be additionally increased. In this case, however, the lamp 1 can only be opened later, for example for maintenance purposes, by destroying the seal.
- Another function of the holding element is that this one
- the holding element 50 has the
- Through openings 30 of the housing 10 have corresponding openings 60 which are each enclosed by circumferential webs 61. These webs 61 are in
- the webs 61 can delimit the through openings 30 of the lamp housing 10 laterally on the inside or outside and, in a preferred embodiment, rest against them. In this way, a corresponding splash guard can be provided so that no splash water gets into the space between holding element 50 and cover 70 or 80, which would be disadvantageous in particular in the area of seal 40.
- corresponding holes can be provided in the holding element 50, through which holes water can run off from this limited space.
- the thermal passage openings 30 can also be bent all the way around inwards or outwards, as can be seen in FIG. On the one hand, this in turn promotes the stability of the entire component, that is to say of the housing 10. On the other hand, the edges of the
- Holding element 50 form a preferably continuous cooling air channel that is closed on the edge.
- the heat occurring during the operation of the lamp 1 can be efficiently dissipated by these air currents - indicated schematically in FIG. 8 by arrows.
- the receiving areas 25 for the LED lighting means - as well as the central receiving area 20 - are designed to project trough-like to the rear of the housing 10.
- the cooling air channels extending to the side of this recess now ensure that the rearward protruding
- the receiving area 25 for the lighting means 130 can be flown against by the resulting air flow, in order to thus for example continuously avoid dust deposits on the back of the lamp 1.
- the holding element 50 is in the illustrated embodiment as a one-piece
- Plastic part executed and is here in particular in the context of a
- ro is preferably the use of a chemical, at least for the cover 52
- the cover for the central area 20 s for receiving the operating device 120 is a separate element which can be separated from the rest of the holding element.
- a corresponding variant is shown in FIGS. 22-26, the function of the holding element provided with the reference numeral 250 in this case also being to hold the separately provided cover element 270 in such a way that it is in a corresponding manner with the area 20 surrounding seal 40 can interact.
- the optical cover elements 70, 80 it is now provided that the
- Cover element 170 is not fixed by the holding element 250 on the light housing 10, but can also be removed in the assembled state of the holding element 250.
- the holding element 250 in this alternative variant again initially consists of a circumferential frame 251 which roughly corresponds to the shape of the lamp housing 10 and is therefore square, but which is now not an integral cover in the middle area, but
- 0 instead has only two connecting webs 252 running parallel to the longitudinal sides. These webs 252, which run in the area of the through openings 30 of the housing 10 and thus on both sides of the central receiving area 20, then enable a dome-like or hood-like separate one to be attached
- Cover element 270 which is shown in FIGS. 24 and 25.
- the fastening 35 of this cover element 270 to the holding element 250 takes place here with the aid
- the corresponding bores 253 or screw mounts 273 in the webs 252 of the holding element 250 and the cover element 270 reach through.
- the screw connection is designed in such a way that even in the already assembled state of the holding element 250, only the cover for the middle Receiving area 20 can be opened and thus, if necessary, maintenance or repair work can be carried out separately in this area.
- the protected arrangement of the lighting means 130 is then retained in this case, so that there is no risk of them being accidentally damaged or touched.
- the cover element 270 has a dome-like or hood-like cover area 271, which is initially surrounded by a circumferential, flange-like web 272, the already mentioned screw receptacles 273 for the screw connection with the holding element 250 being formed on the two longitudinal sides of this web 272.
- the two end-face areas of the web 272 are then in corresponding
- Recesses 254 received on the underside of the holding element 250, which are dimensioned such that when the cover element 270 is screwed on, the web 272 and the underside of the holding element 250 lie in a common plane, as can be seen in particular in FIG and shows the cover member 270 in the assembled state.
- a closed further web 280 which forms a circumferentially closed sealing edge 281, extends from the outer circumference of the cover region 271 towards the rear (and thus perpendicular to the circumferential web 272).
- the dome-like or hood-like cover area 271 protrudes slightly compared to the plane of the underside of the frame 251, so that it is somewhat deepened
- the height of the cover area 101 can of course be adapted to the dimensions of the operating device and, if necessary, further electrical or electronic operating components for operating the LED lighting means 130 that are to be positioned in the receiving space A, as required.
- the use of an additional carrier would also be conceivable so that the components accommodated in this area A can be stored in several levels.
- additional components such as batteries or accumulators for emergency lighting, sensors such as e.g. Presence or brightness sensors or comparable lighting components can be arranged.
- the cover element 270 now has the circumferentially closed edge 280 with the sealing edge 281 on its area facing the housing base 11, which when the retaining element 250 is mounted on the luminaire housing 10 and when the cover element 270 is screwed on the seal 40 contacts, in particular dips into the flexible material of the seal 40.
- the central receiving space A is completely sealed together by the housing 10 and the holding element 250 with the cover element 270 screwed on it, so that the operating device and any other components that are stored in this area A are safe and secure are reliably protected from external influences.
- the holding element 250 shown in FIGS. 22-27 then corresponds to the holding element 50 already explained above. That is, the combination of holding element 250 and separate cover element 270 can be used as a full replacement for holding element 50 described above.
- the main advantage is now that the cover for the central receiving space A can be opened at least temporarily by unscrewing the cover element 270 in order to carry out repairs or repairs
- the holding element 250 can remain on the luminaire housing 10 and, accordingly, the lighting means 130 are still appropriately protected.
- the two-part variant of the holding element 250 opens with the
- Cover element 270 the possibility of using different materials for both components. This can be an advantage if due to the
- the wave-like seal structures 35 surrounding the respective receiving areas 20 and 25, which form the circumferential depressions 36 for receiving the seals 40, open at one end of the receiving areas 20, 25 through a transverse opening towards the interior of the luminaire Channel section 37 are interrupted, the channel section 37 connecting the two receiving areas 20, 25 to one another or two receiving areas 20, 25 to be connected to one another sharing a channel from section 37.
- this transverse depression forming the channel section is provided with the reference numeral 37, wherein in a first variant it would be conceivable that a supply cable is routed in this depression 37 from one receiving area 20 to the adjacent receiving area 25 and then through the seal 40 is covered. This measure requires that the supply cable is laid in a suitable manner before the seal 40 is applied in the luminaire housing 10, which in principle would be possible, but off
- a particularly advantageous variant provides that a channel-forming component 100 is used, which is shown in FIGS. 15 and 16.
- This component 100 which is preferably made from a plastic injection-molded part, has, in particular, an elongated hollow cylinder 101, which has side walls 102 pointing outward at its two front ends. Furthermore, in the central region of the cylinder 101 there are two opposite one another
- Latching arms 103 are provided, which secure the component 100 to the
- Enable lamp housing 10 These structural sections 102, 103 thus interact with corresponding structural sections of the lamp housing 10 in order to achieve the To mechanically connect channel-forming component 100 with the lamp housing 10, they extend along the sealing structure 35 in order to be in flat contact with the
- Seal 40 to stand and promote a distribution of the sealing material applied in liquid form to the sealing structure 35 into the channel from section 37, as will be explained below.
- channel-forming component 100 The function of the channel-forming component 100 can be seen on the basis of FIGS. 17 to 19, which show in individual steps how according to the preferred one
- FIG. 17 shows an initial state in which neither the channel-forming component nor the seal have already been introduced into the luminaire housing 10. Only the two receiving areas 20 and 25 can be seen, which are enclosed in a ring-like manner by the wave-like sealing structures 35, although the above-mentioned transverse channel section 37 interrupts both ring-like structures in order to connect the two receiving areas 20 and 25 to one another.
- the channel-forming component 100 is now inserted into the channel section 37 so that the hollow cylinder 101 runs within the channel section 37 and with its ends into the two
- Receiving areas 20 and 25 opens. A positionally accurate locking of the channel-forming component 100 in this position is achieved with the aid of the two locking arms 103, which engage in corresponding locking structures of the lamp housing 10.
- channel-forming component closes.
- the channel-forming component 100 is then at least partially sealingly surrounded by the seal 40 in the area of or along the sealing structure 35.
- the sealing material can be applied completely covering the hollow cylinder 101 of the channel-forming component 100, so that as a result, the holding of the channel-forming component 100 on the housing 10 is additionally improved.
- the locking arms 103 could thus also be dispensed with or a different type of fastening for this component 100, for example gluing, could be selected.
- all ring-like seals 40 are then on the
- Material 41 covering the duct section is integrally connected to one another, which in turn is facilitated by the fact that all sealing structures 35 are located in one plane, as explained above.
- the additional material 41 also fills the channel from section 37 completely and accordingly also contributes to sealing. It is crucial that ultimately - as can be seen in Figure 19 - both receiving areas 20, 25 of the lamp housing 10 are completely ring-like surrounded by a seal 40 and can accordingly interact in the manner described above with the holding element 50 or the cover 70 or 80 to achieve the To enclose receiving spaces A and B each sealingly. However, both areas A and B are then connected to one another via the hollow cylinder 101 of the channel-forming component 100 in such a way that a supply cable can still be passed through even after the sealing material 40 has been applied. Again, the assembly of the luminaire 1 is thereby made easier overall, the luminaire components 120, 130 being reliably and securely protected from external influences in spite of everything. A corresponding connection could also be created with the aid of the component 100 between the two receiving spaces B for the lighting means 130, provided that a cable connection is selected
- the measures described thus contribute overall to the creation of a luminaire which, as desired, is able to generate and emit light with high intensity, although the associated material and assembly costs are significantly reduced compared to previously known solutions .
- the luminaire according to the present invention is thus not only characterized by its advantageous properties already described with regard to the light emission properties, the
- the concept according to the invention can easily be extended to other shapes or sizes for the lamp.
- the luminaire variant 200 shown in FIGS. 20 and 21 represents a duplication of the concept described in the previous figures, with only the housing 201 having to be made available in the extended form, although identically designed holding elements 50 can be used, whereby now two holding elements 50 are used arranged one behind the other in the longitudinal direction.
- cooling air channels are also provided on the sides of the receiving areas for the illuminants, so that overall more air can flow through the housing here.
- additional openings are then to be provided on the housing and the holding element, it being understood that such additional channels could also be used in the light of FIGS. 1 to 19.
- the lamp 200 has only a single sealed connection for an external power supply cable.
- the use of a recess 205 is provided together with the channel-forming component 100 explained with reference to FIGS. 15 to 19, which connects the two regions of the luminaire 200 located one behind the other in the longitudinal direction.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019112685.1A DE102019112685A1 (de) | 2019-05-15 | 2019-05-15 | Leuchte mit geschützt gelagerten Leuchtmitteln |
| PCT/EP2020/051269 WO2020228996A1 (de) | 2019-05-15 | 2020-01-20 | Leuchte mit geschützt gelagerten leuchtmitteln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3969806A1 true EP3969806A1 (de) | 2022-03-23 |
| EP3969806B1 EP3969806B1 (de) | 2026-03-04 |
Family
ID=69192046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20701946.4A Active EP3969806B1 (de) | 2019-05-15 | 2020-01-20 | Leuchte mit geschützt gelagerten leuchtmitteln |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3969806B1 (de) |
| AT (1) | AT17505U1 (de) |
| DE (1) | DE102019112685A1 (de) |
| WO (1) | WO2020228996A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020101152B4 (de) * | 2020-01-20 | 2023-09-21 | Zumtobel Lighting Gmbh | Verfahren und Bausatz zum Bilden einer Leuchte |
| EP4001739B1 (de) | 2020-11-19 | 2024-01-03 | Zumtobel Lighting GmbH | Leuchte mit darin aufgenommenen leuchtenkomponenten |
| AT17531U1 (de) | 2020-11-19 | 2022-06-15 | Zumtobel Lighting Gmbh At | Modulare Leuchte |
| DE102021102561A1 (de) | 2021-02-04 | 2022-08-04 | Zumtobel Lighting Gmbh | Leuchte mit geschützt gelagerten leuchtenkomponenten |
| DE102021102554A1 (de) | 2021-02-04 | 2022-08-04 | Zumtobel Lighting Gmbh | Leuchtengehäuse zur aufnahme einer leuchtenkomponente |
| EP4180712A1 (de) * | 2021-11-15 | 2023-05-17 | Zumtobel Lighting GmbH | Dichtrahmen für leuchtenoptik |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120218760A1 (en) * | 2011-02-28 | 2012-08-30 | Panasonic Corporation | Led unit and illumination apparatus using same |
| US20180238501A1 (en) * | 2015-06-04 | 2018-08-23 | Cooper Technologies Company | Luminaire for use in harsh and hazardous locations |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8209696U1 (de) * | 1982-09-09 | Richter & Diekmann GmbH & Co, 2800 Bremen | Leuchtelement | |
| DE19950447B4 (de) * | 1999-10-19 | 2004-12-02 | Schatzmann, Jürg, Dr.-Ing. | Beleuchtungseinheit und Verfahren zu ihrer Herstellung |
| EP2171346A1 (de) * | 2007-07-31 | 2010-04-07 | LSI Industries, Inc. | Beleuchtungsvorrichtung |
| CA2720313C (en) * | 2008-04-04 | 2016-11-08 | Ideal Industries Lighting Llc | Led light fixture |
| TWM392298U (en) * | 2010-05-20 | 2010-11-11 | Leader Trend Technology Corp | LED lamp capable of being easily assembled and fastened |
| USD674949S1 (en) * | 2011-11-03 | 2013-01-22 | Georgitsis Anthony C | Lighting system |
| DE102012222184B4 (de) * | 2012-12-04 | 2025-08-14 | Zumtobel Lighting Gmbh | Leuchte mit Luftleitflächen |
| CN104654105A (zh) * | 2013-11-19 | 2015-05-27 | 鸿富锦精密工业(深圳)有限公司 | Led路灯 |
| US10767849B2 (en) * | 2016-04-25 | 2020-09-08 | Shat-R-Shield, Inc. | LED luminaire |
-
2019
- 2019-05-15 DE DE102019112685.1A patent/DE102019112685A1/de active Pending
- 2019-08-05 AT ATGM50142/2019U patent/AT17505U1/de unknown
-
2020
- 2020-01-20 WO PCT/EP2020/051269 patent/WO2020228996A1/de not_active Ceased
- 2020-01-20 EP EP20701946.4A patent/EP3969806B1/de active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120218760A1 (en) * | 2011-02-28 | 2012-08-30 | Panasonic Corporation | Led unit and illumination apparatus using same |
| US20180238501A1 (en) * | 2015-06-04 | 2018-08-23 | Cooper Technologies Company | Luminaire for use in harsh and hazardous locations |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2020228996A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3969806B1 (de) | 2026-03-04 |
| DE102019112685A1 (de) | 2020-11-19 |
| AT17505U1 (de) | 2022-06-15 |
| WO2020228996A1 (de) | 2020-11-19 |
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