EP4001739B1 - Luminaire pourvu de composants de luminaire intégrés - Google Patents

Luminaire pourvu de composants de luminaire intégrés Download PDF

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Publication number
EP4001739B1
EP4001739B1 EP21208673.0A EP21208673A EP4001739B1 EP 4001739 B1 EP4001739 B1 EP 4001739B1 EP 21208673 A EP21208673 A EP 21208673A EP 4001739 B1 EP4001739 B1 EP 4001739B1
Authority
EP
European Patent Office
Prior art keywords
luminaire
housing
components
electronic
lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21208673.0A
Other languages
German (de)
English (en)
Other versions
EP4001739A1 (fr
Inventor
Michael Spiegel
Claudio Ender
Wolfgang Bechter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH
Original Assignee
Zumtobel Lighting GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ATGM50226/2020U external-priority patent/AT17531U1/de
Application filed by Zumtobel Lighting GmbH filed Critical Zumtobel Lighting GmbH
Publication of EP4001739A1 publication Critical patent/EP4001739A1/fr
Application granted granted Critical
Publication of EP4001739B1 publication Critical patent/EP4001739B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • 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
    • 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
    • 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
    • F21V23/001—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
    • 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
    • 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
    • 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
    • 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 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 lamp which is designed to efficiently dissipate the heat emitted by the lamp components during operation of the lamp.
  • the present invention relates to a so-called highbay light.
  • Highbay luminaires are luminaires that are used, for example, to illuminate larger halls or industrial complexes.
  • the luminaires are usually arranged at a relatively large distance from the floor, which is why there is a requirement that the luminaire generates light with high intensity, which is then emitted onto the area below, for example a hall.
  • relatively powerful lamps are used in such lights, which then have to be stored in a suitable manner, with care being taken to ensure that, on the one hand, the heat that occurs during the operation of the lamps is dissipated in a suitable manner and, on the other hand, that the lamps are protected from external influences, in particular are protected from moisture and/or dust.
  • a lamp of the type described above is, for example, from the
  • the lamp described here is essentially formed by a die-cast aluminum body that has large cooling fin structures and cooling channels to dissipate the high heat generated during operation of the lamps.
  • Operating resources are positioned centrally between two elongated LED arrangements, with the design of the die-cast body being such that air can also flow around a centrally arranged housing in which the operating resources are accommodated in order to enable sufficient heat dissipation.
  • the use of appropriate cooling air openings also largely ensures thermal decoupling between the housing for the operating equipment and the areas of the lamp body in which the lamps are arranged, achieved.
  • a similar light is in the US 2011/0188233 A1 shown.
  • a trough-shaped lamp housing is used, which is formed by a one-piece and correspondingly deformed sheet metal part, with the housing base having areas for accommodating lamp components, for example the LED lamps and an associated operating device.
  • the receiving areas are closed on all sides in order to efficiently protect the corresponding components from external influences.
  • the design of the lamp housing and the cover is such that cooling air flows around those areas of the lamp that are subject to high thermal loads during operation in order to be able to efficiently dissipate the resulting heat.
  • the luminaires known from the prior art have proven themselves many times over and are characterized by their excellent light output and at the same time high operational reliability, which is due in particular to the optimized design of the respective luminaire housing.
  • the effort required to create the lamp housing is relatively high.
  • the use of one or more aluminum die-cast bodies is necessary, in the other case, a one-piece housing made from sheet metal is used. Even in this case, however, relatively complex processing of the sheet metal part is required.
  • a lamp which consists of several trough-shaped partial housings, with each partial housing forming an area for receiving electrical and / or electronic lamp components, which is closed by covers attached to the housing.
  • Comparable designs in which a lamp housing consists of several sub-housings are also available from the US 2016/0208998 A1 or the DE 10 2011 081 369 A1 known.
  • EP 2 940 380 A1 and US 2017/03705553 A1 further disclose a lamp with a trough-shaped housing, a circumferential seal arranged on the housing base and a cover arranged on the seal.
  • the present invention is based on the task of providing a possibility of providing a luminaire that is comparable in terms of its lighting properties, but in which the effort for production and assembly is reduced and, despite everything, efficient dissipation of the heat generated during operation is made possible .
  • the lamp housing is formed from at least two trough-shaped lamp sub-housings, each of which has a housing base and a housing wall that laterally surrounds the housing base.
  • the housing base of each luminaire sub-housing forms a flat area for accommodating electrical and/or electronic luminaire components, in which case the trough-shaped luminaire sub-housings, each with a housing wall, are connected to one another directly or indirectly via at least one connecting element.
  • the housing is formed by several luminaire sub-housings, which are then put together in a corresponding manner, the effort required to produce the luminaire can also be reduced overall, since the luminaire sub-housings, which are preferably made of sheet metal, are compared to those from the prior art Solutions known from technology can be produced relatively easily. Despite everything, the lamp housing achieved as a whole can again fulfill all functions, as is also intended for the lamps in the prior art. It is further provided that the housing base of each luminaire sub-housing has a ring-like seal, which encloses the associated area for receiving electrical and/or electronic luminaire components.
  • the lamp housing is again implemented in the form of a one-piece component, which is preferably designed as a sheet metal part.
  • a sheet metal part In comparison to the relatively complex shape of the sheet metal part, as in the one mentioned above WO 2020/228996 A1
  • the corresponding sheet metal part only needs to be formed minimally.
  • deformation in the context of a deep-drawing process is dispensed with, in which case the housing base of the lamp housing is then completely flat on its side facing the lamp interior.
  • the covers are designed in such a way that, when mounted on the housing, they rest on the respective seal in a closed manner.
  • the covers have circumferential webs whose shape corresponds to the respective seals and whose end regions in the assembled state touch the seals or immerse themselves in the seals. This prevents dust and/or moisture from entering the corresponding receiving spaces for the electrical and/or electronic lighting components.
  • the lamp has a frame-like holding element, which is connected to the lamp housing in such a way that it presses the covers into contact with the associated seal.
  • this holding element is responsible for closing the lamp housing - regardless of whether it is designed according to the first variant according to the invention or the second variant according to the invention - towards the front or in the light emission direction, in order to close the interior in which the electrical and / or Electronic lamp components are arranged safely enclose.
  • At least one cover is formed by a separate component, the holding element having support or support areas via which the holding element presses the cover into contact with the seal.
  • the cover is formed by a separate component, which is inserted in a suitable manner into the holding element and is then fastened to the lamp housing with its help.
  • the cover is formed by a separate component which can be attached to the holding element attached to the lamp housing, in particular screwed to it.
  • the cover is designed in such a way that it can be completely removed from the lamp or attached to it separately from the holding element. This can then serve, for example, to open a specific receiving area separately from other receiving areas of the lamp in order to maintain or, if necessary, replace the electrical and/or electronic components located therein.
  • a cover is particularly suitable, for example, for the receiving area that is used to store an operating device or other power supply.
  • a third variant could consist in at least one cover being an integral part of the holding element.
  • This configuration would be particularly advantageous if it is not desired for the corresponding receiving area to be opened in a simple manner by the end user. This would then require a complete removal of the frame-like holding element, so that access to the corresponding receiving area can only be achieved with increased effort or not at all. This advantage also arises in the first variant, in which the cover is inserted into the holding element accordingly.
  • At least one of the covers used preferably has optics for influencing the light from lamps.
  • this optic can be an integral part of the corresponding cover, which is then of course made of a translucent material, or can be formed by a separate component which is inserted into the cover.
  • the lamp according to the present invention has several areas in which electrical and/or electronic lamp components are arranged, it would be advantageous if these areas are at least partially thermally decoupled from one another in order to transfer the heat from one area to the other area as much as possible to suppress.
  • the housing preferably has elongated through openings which extend between two adjacent areas for accommodating electrical and/or electronic lighting components.
  • the openings can be easily punched into the sheet metal part that forms the housing.
  • the through openings can be formed, for example, in a connecting element connecting the two lamp housings. Alternatively, it can of course also be provided that the through openings are formed in the lamp housing itself.
  • the holding element holding the covers also has through openings which are aligned with the through openings of the housing. This not only achieves the above-mentioned thermal decoupling of two adjacent receiving areas, but also allows cooling channels to be formed for air to flow through, through which heat dissipation is optimized during operation of the lamp.
  • lighting means are arranged in at least one receiving area, while resources in the form of, for example, a converter are provided in the other receiving area which supply the lamps with a suitable voltage.
  • resources in the form of, for example, a converter are provided in the other receiving area which supply the lamps with a suitable voltage.
  • two adjacent areas for accommodating electrical and/or electronic lamp components are connected to one another by electrical lines.
  • the electrical cables can be routed along the back of the lamp housing so that they do not affect the seals provided within the housing.
  • the lamp has a channel-forming component, which forms a channel extending between two adjacent areas for receiving electrical and / or electronic lamp components, through which the electrical lines then run. This component could also be arranged on the back of the lamp housing or pass in a suitable manner underneath the ring-like seals within the housing.
  • the housing or the luminaire housing parts are preferably each made from a sheet metal part.
  • the components can be manufactured with relatively little effort; in particular, a deep-drawing process can be dispensed with.
  • the luminaire according to the invention is intended, as already mentioned, to form a so-called high bay luminaire, which is a compact but powerful luminaire suitable for use as a hall luminaire, for example.
  • the present lamp 1 is also intended to be arranged at a relatively large distance from the floor, with high intensity light being generated, which is then radiated onto an area underneath - for example a hall.
  • the basic arrangement of the components responsible for generating light corresponds to the arrangement, particularly in the luminaire WO 2020/228996 A1 is provided.
  • At least one operating device should be positioned in a central area 1 of the luminaire, with lamps then being arranged on both sides of this central area, which are responsible for generating and emitting light.
  • the essential components of the lamp 1 according to the invention are a trough-shaped lamp housing 10 and a holding element 50 attached to the lamp housing 10, which, with further covers 70, 80, encloses areas of the housing 10 in which electrical or electronic components of the lamp 1 are arranged.
  • the lamp 1 is divided into three areas, a central area running centrally along a longitudinal direction, which serves to accommodate an operating device, and two light emission areas formed on both sides of the central area, in which the lamps and the optical components assigned to the lamps for the Light emission are arranged. The light is emitted accordingly when viewed Figure 1 via two essentially rectangular lateral areas of the lamp 1, via which light is emitted with high intensity.
  • the individually in Figure 3 recognizable lamp housing 10 is trough-shaped with an approximately square housing base 11 in the exemplary embodiment shown, from which a laterally circumferential housing wall 12 extends downwards or in the light emission direction of the lamp 1, with the housing base 11 and housing wall 12 delimiting a lamp space.
  • the housing 10 consists of a one-piece sheet metal part, which has been punched and shaped accordingly, with the side walls of the circumferential housing wall 12 preferably only being realized by appropriately bending the edge regions of the sheet metal part and then, if necessary, being connected to one another at the joints.
  • the housing 10 shown in the figures can thus be manufactured in a particularly simple and cost-effective manner, since in particular no complex forming operations are required.
  • the primary task of the flat housing base 11 is to enable flat accommodation or storage of the components of the lamp 1 responsible for generating and emitting light.
  • three essentially flat areas should be formed on the housing base 11 on its side facing the interior of the housing 10, a central flat area 20 and two side flat areas 25.
  • the central area 20 is here for the later recording of an in Figure 5 recognizable operating device 120, for example in the form of a converter.
  • an in Figure 5 recognizable operating device 120 for example in the form of a converter.
  • it is essentially adapted to the width of the operating device 120 and, in the exemplary embodiment shown, is accordingly dimensioned somewhat narrower than the two side receiving areas 25.
  • the two side receiving areas 25 are used to store one or more LED boards 130 (see also Figure 5 ), each of which creates a large light source. Due to the special design of the lamp housing 10, all three receiving areas 20 and 25 are designed to be flat in order to enable either the operating device 120 or the LED boards 130 to be supported flatly. This ensures efficient heat transfer during Operation on the housing base 11 enables, whereby heat dissipation and thus cooling of the lamp components 120, 130 is improved.
  • the operating device 120 and the LED boards 130 are preferably fastened to the lamp housing 10 by means of screw connections, for which corresponding openings or bores can then be provided in the housing 10, in particular in the housing base 11.
  • the fastenings for the various electrical or electronic components are preferably designed in such a way that the lamp 1 is protected from the ingress of dust and/or moisture. Any screw connections that may be used are therefore preferably designed to be sealed, so that the lamp 1 may meet the corresponding requirements of a desired so-called IP protection class.
  • the receiving areas 20 and 25 are preferably closed towards the back of the lamp housing 10.
  • the central receiving area 20 which additionally has a slightly larger opening 26 on one end face, through which a power supply cable 125 can be passed through to supply power to the operating device 120.
  • corresponding sealing measures are then provided on the back of the housing 10, for example in the form of a grommet 140 or the like, which enable the power supply cable 125 to be led out in a sealed manner, so that all three receiving areas 20 or 25 are as possible in the assembled state of the lamp 1 are well sealed at the back.
  • the operating device 120 and the LED lamps 130 are not arranged together in a single, tightly enclosed space, but instead that receiving spaces corresponding to the flat receiving areas 20 and 25 are formed, which are each sealed separately and accommodate either the converter 120 or the LED lamps 130.
  • the separate arrangement of these lamp components 120, 130 in the three separate rooms opens up the possibility of, on the one hand, thermally decoupling the areas from one another and, on the other hand, in a targeted manner by appropriately designing the covers 70, 80 to make individual areas accessible for repair or maintenance measures, while other areas remain permanently closed.
  • a further advantage of the separation is that the lamp housing 10 can be designed in such a way that cooling air can flow through into spaces between two adjacent receiving spaces.
  • three elongated through openings 30 are formed in the housing base 11 on both sides of the central receiving area 20, with the help of which the cooling air channels, which will be described in more detail at a later point in time, are formed.
  • These through openings 30, which of course could also be designed differently in terms of their length and possibly shape, not only allow cooling air to flow through, but also cause a reduction in material in the area between two adjacent receiving areas 20, 25. This has the result that between two adjacent areas there is a There is a certain thermal decoupling and the risk is accordingly reduced that, for example, the heat generated by the LED lamps 130 is transferred to the area 20 with the operating device 120.
  • each area 20, 25 is surrounded all around by its own ring-like seal 40, which interacts with a cover described in more detail later.
  • the in Figure 4 recognizable seals 40 can be applied in a simple manner to the flat housing base 11 and thereby define the three receiving areas 20 and 25.
  • the seals 40 are applied to the base 11 in the form of a prefabricated sealing ring, for example glued or sprayed or foamed onto the housing base 11 in the desired configuration.
  • the housing base 11 itself does not have to have any special structures or other components in order to hold the seals 40 in the desired manner. Instead, these can be applied as part of a simple assembly step in such a way that the in Figure 4 recognizable configuration results. This also contributes to simplifying the production of the lamp 1 overall.
  • two approximately rectangular elongated holes 35 punched into the housing base 11 can be used, which extend transversely to the longitudinal direction of the receiving spaces 20, 25 between the adjacent seals 40. These openings 35 end just below the seals 30, so that they allow a cable to be passed through the underside of the respective seal 40 without significantly affecting its sealing effect.
  • FIG. 2 Another possibility that in Figure 2 can be seen, consists in using the openings 35 to arrange a channel-forming component 36, which is attached to the housing 10 from the back, for example snapped on.
  • This component 36 has a tube-like configuration and thereby forms a channel which extends on the rear of the housing 10 from the central receiving area 20 to an adjacent side receiving area 25. If the openings 35 are dimensioned accordingly long, the end region of the channel-forming component 36 opens into the bottom surface of the associated receiving region 20, 25, so that a channel or tube-like connection is achieved between the regions 20, 25, which in turn enables the protected laying of a corresponding one electrical connection possible.
  • the final sealing of the receiving areas 20, 25 for the operating device 120 and the LED lamps 130 is then carried out using the covers 70, 80.
  • the housing 10 provides the three receiving areas 20 and 25 as well as the surrounding seals 40, it is necessary that the areas are also closed off towards the front in order to be able to protect the lamp components 120, 130 from external influences, in particular from dust and / or moisture.
  • the holding element 50 consists of a circumferential frame 51, approximately corresponding to the shape of the lamp housing 10 and therefore square in the present case, which has two connecting webs 52 running parallel to the long sides. These webs 52, 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, enable the attachment of an in Figure 8 dome or hood-like cover 80 shown.
  • the cover 80 is fastened to the holding element 50 using several screws which pass through corresponding bores 53 or screw receptacles 83 in the webs 52 of the holding element 50 and the cover element 80.
  • the holding element 50 is also attached to the lamp housing 10 using several screws.
  • the attachment of the cover 80 to the holding element 50 is carried out in such a way that even when the holding element 50 is already mounted on the lamp housing 10, only the cover for the central receiving area 20 can be opened and thus, if necessary, maintenance work can be carried out separately in this area. or repair work can be carried out.
  • the protected arrangement of the lamps 130, described in more detail below, is retained in this case, so that there is no risk of them being accidentally damaged or touched.
  • the cover 80 has a dome or hood-like cover area 81, which is surrounded by a circumferential, flange-like web 82, the already mentioned screw receptacles 83 for the screw connection with the holding element 50 being formed on the two long sides of this web 82.
  • the two frontal areas of the web 82 are accommodated in corresponding recesses 54 on the underside of the holding element 50, which are dimensioned such that when the cover element 80 is screwed on, the web 82 and the underside of the holding element 50 lie flush in a common plane, as is the case in Figure 9 can be seen, which shows the holding element 50 and the cover element 80 in the assembled state.
  • a ring-like closed further web 85 extends from the outer circumference of the cover area 81 towards the rear (and thus perpendicular to the circumferential web 82), which forms a circumferentially closed sealing edge 86.
  • the shape of the edge 86 is chosen such that when the holding element 50 is mounted on the lamp housing 10 and the cover 80 attached thereto, the edge 86 touches the seal 40 or ideally dips into the flexible material of the seal 40, as shown in Figure 13 is indicated. As a result, a central receiving space A is completely sealed together by the housing 10 and the cover 80, so that the operating device 120 arranged therein is safely and reliably protected from external influences.
  • the dome or hood-like cover 81 can protrude slightly compared to the plane of the underside of the frame 51, so that it forms a slightly recessed receiving space A.
  • the height and also the width of the cover 81 can be adapted as required to the dimensions of the operating device 120 and, if necessary, other electrical or electronic operating components for operating the lamp 1.
  • the holding element 50 is fastened to the housing 10 via a large number of screw connections, with corresponding holes or openings in the housing base 11 of the lamp housing 10 each being located outside the areas 20 or 25 to be sealed, so that the sealing of the receiving areas 20, 25 is not negatively affected.
  • a sealing corresponding to the previously described interaction between the cover 80 with the seal 40 is also provided for the two receiving areas 25 for the LED lamps 130, this function now being fulfilled by translucent covers 70.
  • These covers 70 are accommodated in the area of the openings 56 of the frame 51 formed on both sides of the hood-like cover 80, which ultimately form the light emission openings of the frame-like holding element 50, and are held and positioned by the holding element 50 in such a way that they in turn are connected to the seals 40 can work together.
  • a space B is then enclosed by the housing 10 and the cover 70, in which the LED lamps 130 are accommodated.
  • the Figures 10 to 12 show a conceivable embodiment for the cover 70, which also serves to influence the light emitted by the LEDs.
  • the cover 70 has a flat light emission area 71, which is surrounded all around by a U-shaped edge 72, which has a leg 73 which extends towards the seal 40, a connecting leg running transversely thereto and a connecting leg with the rest of the Cover 70 has inner leg connecting, the U-shape on the one hand increasing the stability of the cover 70 and on the other hand the outer leg 73 is directed upwards and forms a sealing edge 74 running around in a plane.
  • the function of this sealing edge 74 is comparable to the edge 86 of the cover 80.
  • the edge 74 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 lamps 130 In this case too, a completely sealed space is obtained, in which the LED lamps 130 are now accommodated.
  • the holding or positioning of the cover 70 required for this is achieved by the holding element 50, which has an inwardly projecting support edge 57 or a support web surrounding the two openings 56.
  • the covers 70 then lie 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 such that it is ensured that the cover 70 actually seals with the respective seal 40 interacts.
  • the support edge 57 extends in a plane transversely or orthogonally to a pressing direction for pressing the cover 70 into contact with the seal 40.
  • support or support areas formed in sections could also be provided, which are then distributed, are preferably arranged evenly distributed around the circumference of the openings 56.
  • the cover 70 is not rigidly connected to the holding element 50 or the lamp housing 10. Instead, when assembling the lamp 1, only the cover 70 is inserted into the holding element 50 and this is then screwed to the lamp housing 10 in the manner described above.
  • the cover 70 also has suitable optical elements. These are TIR lenses 75 positioned on the back opposite the light emission surface of the cover 70, which in a known manner bundle the light emitted by an LED and emit it in a directed manner towards the underside. It is ideally provided that a lens 75 is used for each LED or LED cluster of the lamps 130, with the LED or the associated LED cluster then engaging in a recess formed on the top of the lens 75. This arrangement of the lens 75 with respect to the associated LED and the design of the lens 75 ensures that the LEDs are reflected in almost all of them Light emitted in different directions is influenced in the desired way and used for efficient light emission.
  • TIR lenses 75 positioned on the back opposite the light emission surface of the cover 70, which in a known manner bundle the light emitted by an LED and emit it in a directed manner towards the underside. It is ideally provided that a lens 75 is used for each LED or LED cluster of the lamps 130, with the LED or the associated LED cluster then engaging in a recess formed on the top of the
  • the lenses 75 are an integral part of the cover 70 and are integrally formed on the back in a corresponding manner.
  • the cover 70 preferably consists entirely of the same translucent material, although it would nevertheless also be conceivable to form those components through which light passes or which are intended to influence the light from a different material than the rest of the cover 70 Alternatively, it would also be conceivable to design the cover 70 in such a way that the optical element is provided in the form of a further component - for example a lens plate - and then inserted into the pot-shaped cover. This further increases the flexibility in terms of the options for influencing the light output.
  • the covers 70 relate, for example, to the design of the optical elements for influencing the light, whereby, for example, other light-refractive or light-scattering elements or structures could also be used as an alternative to the lenses 75 shown.
  • suitable prism structures or otherwise designed lenses should be considered, which could possibly also be arranged on the underside, i.e. the light emitting surface of the cover.
  • additional foils could be inserted in order to influence the light emission in the desired way.
  • 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.
  • cover 70 in such a way that it is an integral part of the holding element 50.
  • the cover 80 for the operating device 120 could also be designed as an integral part of the holding element 50.
  • the holding element 50 with the cover 80 attached to it allows cooling air to flow through the through openings 30 of the lamp housing 10.
  • the holding element 50 and the cover 80 have openings 58, 88 corresponding to the through openings 30 of the housing 10, the openings 88 of the cover 80 each being enclosed by circumferential webs 89.
  • These webs 89 are oriented essentially transversely to the plane of the openings, but are aligned at a slight angle and are aligned on their upper side with the through openings 30 of the lamp housing 10, so that cooling air channels that widen slightly downwards are formed, which, as already mentioned, are on both sides of the Receiving areas 20, 25 are designed for the LED lamps 130 and for the operating device 120 and according to the arrows in the illustration Figure 13 Allow air to flow upwards.
  • the holding element 50 is preferably designed as a one-piece plastic part and is manufactured in particular as part of an injection molding process. Depending on whether the covers 70 or 80 are to be an integral part of the holding element 50, a two-component injection molding process can also be used if necessary.
  • the use of a chemically resistant material is preferably provided at least for the cover 80 in order to be able to protect the lamp components arranged in room A as well as possible.
  • the possibility is opened up of realizing a luminaire which, in terms of its lighting properties, is similar to the luminaires known from the prior art and also enables protected accommodation of the various electrical or electronic components. Efficient dissipation of the heat generated during operation is also guaranteed. All of these properties are achieved, among other things, with the help of the housing designed according to the invention, which, however, can be manufactured in a much simpler and more cost-effective manner compared to previously known housings, since only a correspondingly punched and bent sheet metal part is used here.
  • the lamp housing 210 viewed overall, is essentially comparable to that of the lamp WO 2020/228996 A1 , in turn a trough-like configuration with a housing base 211 and a laterally circumferential housing wall 212 is provided and the housing 210 provides three receiving areas 20, 25 for receiving lamps 130 and an operating device 130.
  • the lamp housing 210 is now designed to be modular.
  • the housing 210 is formed from three trough-shaped luminaire sub-housings 210a, 210b and 210c, each luminaire sub-housing 210a, 210b, 210c corresponding to one of the receiving areas 20, 25 of the luminaire.
  • These sub-housings 210a, 210b and 210c are arranged next to one another and assembled as described below, so that the overall essentially square lamp housing 210 ultimately results. This then in turn has the properties of the housing 10 Figures 1 to 13 on and is intended to work with that described above
  • Holding element 50 and the covers 70, 80 interact in an analogous manner. That is, in this case too, the receiving areas 20, 25 are each enclosed by a ring-like seal 40, which are contacted by the sealing edges 74 and 86 of the covers 70 and 80 in order to enclose the resulting receiving spaces A, B. Furthermore, openings 30 are also provided in the housing 210 between two adjacent receiving areas 20, 25, through which cooling air channels are formed.
  • connection of two adjacent luminaire sub-housings 210a, 210b and 210c takes place via connecting elements 220, which are formed by U- or O-shaped angle elements, which each extend between two luminaire sub-housings 210a, 210b and 210c.
  • These connecting elements 220 can, for example, then each enable fastening of the corresponding adjacent luminaire sub-housing 210a, 210b, 210c, for example via corresponding screw connections, which then interact with the facing side walls of the corresponding luminaire sub-housing 210a, 210b, 210c.
  • the existing through openings 30, which enable the cooling air to flow through and, on the other hand, enable thermal decoupling of the adjacent receiving areas 20, 25, are formed in the connecting elements 220.
  • the respective luminaire sub-housings 210a, 210b, 210c are therefore very simple with a closed bottom area and surrounding side walls. However, structures that are otherwise difficult to produce are not necessary. Only the connecting elements 80 represent a possibly somewhat more complex shape, which requires a certain amount of effort to produce.
  • the lamp housings 210a, 210b, 210c on the other hand, can again be formed in a very simple manner by simple sheet metal parts, as is also the case with the lamp housing Figures 1 to 13 the case is.
  • housing 210 of the in Figure 14 The variant shown can be implemented inexpensively and easily, although the lamp still fulfills all the functions of the lamps known from the prior art.
  • Light housing, as in Figure 14 is recognizable, carried out in such a way that - as already mentioned - it is directly linked to that in the Figures 6 to 12 shown holding element 50 and the associated covers 70, 80 can cooperate. In this regard, it is not necessary to provide appropriately adapted components.
  • the interconnected housing walls of the luminaire sub-housings 210a, 210b, 210c can have cable openings 215, for example bores, via which the interconnected luminaire sub-housings 210a, 210b, 210c can be electrically connected to one another, for example again via a channel-forming component which is connected to the cable openings 215 is arranged.
  • the cable openings 215 can be designed to be sealed.
  • the modular design of the housing is that different lighting sub-housings can be used if necessary. If, for example, the central receiving area for the operating device is to be enlarged in order to accommodate additional emergency power supplies in the form of accumulators or the like, a variant of the middle luminaire part housing could be used for this purpose, which is correspondingly larger. The two side lamp housings for holding the lamps, however, could continue to be used in their unchanged form. Ultimately, in this way a modular system could be made available from which a wide variety of options can be chosen in order to ultimately realize the desired luminaire. Despite everything, all different variants can be produced in a simple and cost-effective manner.
  • the solutions according to the invention create the possibility of realizing a lamp which is able to generate and emit light with high intensity as desired, although the associated material and assembly costs are further reduced compared to previously known solutions becomes.

Landscapes

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

Claims (15)

  1. Luminaire (1) présentant :
    • un boîtier de luminaire (210) qui est constitué d'au moins deux boîtiers partiels de luminaire (210a, 210b, 210c) en forme de cuvette, lesquels présentent respectivement un fond de boîtier (211) et une paroi de boîtier (212) entourant latéralement le fond de boîtier (211),
    dans lequel le fond de boîtier (211)
    de chaque boîtier partiel de luminaire (210a, 210b, 210c) forme
    une zone (20, 25) plane destinée à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques et
    dans lequel les boîtiers partiels de luminaire (210a, 210b, 210c) en forme de cuvette sont reliés entre eux avec respectivement une paroi de boîtier (212) directement ou indirectement par l'intermédiaire d'au moins un élément de liaison (220) ;
    • des composants de luminaire (120, 130) électriques et/ou électroniques qui sont disposés sur les zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques ; et
    • des éléments de recouvrement (70, 80) fixés au boîtier de luminaire (210), lesquels s'étendent respectivement au-dessus des zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques afin de former un espace (A, B) respectivement fermé dans lequel sont disposés des composants de luminaire (120, 130) électriques et/ou électroniques ;
    caractérisé en ce que
    un joint d'étanchéité (40) annulaire est appliqué sur le fond de boîtier (211) de chaque boîtier partiel de luminaire (210a, 210b, 210c), lequel joint d'étanchéité est respectivement collé sur le fond de boîtier (211) sous forme de bague d'étanchéité préfabriquée ou est injecté ou expansé sur le fond de boîtier (211) et enferme la zone (20, 25) associée destinée à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques.
  2. Luminaire (1) présentant :
    • un boîtier de luminaire (10) qui présente un fond de boîtier (11) et une paroi de boîtier (12) entourant latéralement le fond de boîtier (11), laquelle paroi de boîtier délimite un espace de luminaire avec le fond de boîtier (11),
    dans lequel le fond de boîtier (11) est plan sur son côté tourné vers l'espace de luminaire et au moins deux zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques sont formées sur le fond de boîtier (11);
    • des composants de luminaire (120, 130) électriques et/ou électroniques qui sont disposés sur les zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques ; et
    • des éléments de recouvrement (70, 80) fixés au boîtier de luminaire (10), lesquels s'étendent respectivement au-dessus des zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques afin de former un espace (A, B) respectivement fermé dans lequel sont disposés des composants de luminaire (120, 130) électriques et/ou électroniques ;
    caractérisé en ce que
    le boîtier de luminaire (10) est constitué d'une pièce en forme de cuvette monobloc qui présente le fond de boîtier (11) et la paroi de boîtier (12) entourant latéralement le fond de boîtier (11), et
    qu'au moins deux joints d'étanchéité (40) annulaires sont appliqués sur le fond de boîtier (11), lesquels sont respectivement collés sur le fond de boîtier (11) sous forme de bague d'étanchéité préfabriquée ou sont injectés ou expansés sur le fond de boîtier (11) et entourent respectivement l'une des zones (20, 25) destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques.
  3. Luminaire (1) selon la revendication 1 ou 2,
    caractérisé en ce que
    les éléments de recouvrement (70, 80), dans un état monté sur le boîtier (10, 210), s'appuient contre le joint d'étanchéité (40) respectif de manière fermée de manière circonférentielle.
  4. Luminaire (1) selon l'une des revendications 1 à 3,
    caractérisé en ce que
    celui-ci présente un élément de retenue (50) en forme de cadre qui est relié au boîtier de luminaire (10, 210) de telle sorte qu'il presse les éléments de recouvrement (70, 80) respectivement en appui contre le joint d'étanchéité (40) associé.
  5. Luminaire (1) selon la revendication 4,
    caractérisé en ce que
    au moins un élément de recouvrement (70, 80) est formé d'une pièce séparée, dans lequel l'élément de retenue (50) présente des zones de support ou de soutien (57) par l'intermédiaire desquelles l'élément de retenue (50) presse l'élément de recouvrement (70, 80) en appui contre le joint d'étanchéité (40).
  6. Luminaire (1) selon la revendication 4 ou 5,
    caractérisé en ce que
    au moins un élément de recouvrement (70, 80) est formé d'une pièce séparée qui peut être fixée à l'élément de retenue (50) fixé au boîtier de luminaire (10, 210), en particulier peut être vissée à celui-ci.
  7. Luminaire (1) selon l'une des revendications 4 à 6,
    caractérisé en ce que
    au moins un élément de recouvrement (70, 80) fait partie intégrante de l'élément de retenue (50).
  8. Luminaire (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins un élément de recouvrement (70, 80) présente une optique permettant d'influencer la lumière de moyens lumineux (130).
  9. Luminaire (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le boîtier (10, 210) présente de préférence des ouvertures de passage (30) allongées qui s'étendent entre deux zones (20, 25) adjacentes destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques.
  10. Luminaire (1) selon la revendication 9 avec les caractéristiques de la revendication 1,
    caractérisé en ce que
    les ouvertures de passage (30) sont réalisées dans un élément de liaison (220) reliant deux boîtiers partiels de luminaire (210a, 210b, 210c).
  11. Luminaire (1) selon la revendication 9 ou 10 avec les caractéristiques de la revendication 4,
    caractérisé en ce que
    l'élément de retenue (50) présente des ouvertures de passage (58) qui sont alignées avec les ouvertures de passage (30) du boîtier (10, 210).
  12. Luminaire (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    deux zones (20, 25) adjacentes destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques sont reliées entre elles par des lignes électriques.
  13. Luminaire (1) selon la revendication 12,
    caractérisé en ce que
    les lignes électriques reliant les deux zones (20, 25) adjacentes sont guidées le long du côté arrière du boîtier de luminaire (10, 210).
  14. Luminaire (1) selon la revendication 12 ou 13,
    caractérisé en ce que
    le luminaire (1) présente une pièce formant un canal (36) qui forme un canal s'étendant entre deux zones (20, 25) adjacentes destinées à recevoir des composants de luminaire (120, 130) électriques et/ou électroniques et à travers lequel s'étendent les lignes électriques.
  15. Luminaire (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le boîtier (10) ou les boîtiers partiels de luminaire (210a, 210b, 210c) sont respectivement fabriqués à partir d'une partie en tôle.
EP21208673.0A 2020-11-19 2021-11-17 Luminaire pourvu de composants de luminaire intégrés Active EP4001739B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATGM50226/2020U AT17531U1 (de) 2020-11-19 2020-11-19 Modulare Leuchte
DE102021102586.9A DE102021102586A1 (de) 2020-11-19 2021-02-04 Leuchte mit darin aufgenommenen Leuchtenkomponenten

Publications (2)

Publication Number Publication Date
EP4001739A1 EP4001739A1 (fr) 2022-05-25
EP4001739B1 true EP4001739B1 (fr) 2024-01-03

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EP (1) EP4001739B1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2940380A1 (fr) * 2014-04-29 2015-11-04 Zumtobel Lighting GmbH Joint
US20170370553A1 (en) * 2016-06-24 2017-12-28 Cree, Inc. Light fixture and optic with light-transmissive shield

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Publication number Priority date Publication date Assignee Title
US8042977B1 (en) * 2008-05-05 2011-10-25 Koninklijke Philips Electronics N.V. Troffer luminaire
CA2736395C (fr) * 2008-09-15 2017-03-07 Led Roadway Lighting Ltd. Dispositif d'eclairage routier a diodes electroluminescentes (del)
DE102011081369A1 (de) * 2011-08-23 2013-02-28 Trilux Gmbh & Co. Kg Leuchte, insbesondere LED-Leuchte mit passiver Kühlung
DE102012222184A1 (de) 2012-12-04 2014-06-05 Zumtobel Lighting Gmbh Leuchte mit Luftleitflächen
WO2015031322A1 (fr) * 2013-08-26 2015-03-05 Delta T Corporation Appareil d'éclairage accordable et procédés associés de commande du flux lumineux
DE102019112687A1 (de) 2019-05-15 2020-11-19 Zumtobel Lighting Gmbh Wannenförmiges Leuchtengehäuse
DE102019112685A1 (de) 2019-05-15 2020-11-19 Zumtobel Lighting Gmbh Leuchte mit geschützt gelagerten Leuchtmitteln
EP3738697B1 (fr) 2019-05-16 2023-02-22 AB Sandvik Coromant Outil tournant de découpe de métal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2940380A1 (fr) * 2014-04-29 2015-11-04 Zumtobel Lighting GmbH Joint
US20170370553A1 (en) * 2016-06-24 2017-12-28 Cree, Inc. Light fixture and optic with light-transmissive shield

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