EP3653927A2 - Luminaire pourvu de couvercle maintenu par l'adaptateur - Google Patents

Luminaire pourvu de couvercle maintenu par l'adaptateur Download PDF

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Publication number
EP3653927A2
EP3653927A2 EP19209369.8A EP19209369A EP3653927A2 EP 3653927 A2 EP3653927 A2 EP 3653927A2 EP 19209369 A EP19209369 A EP 19209369A EP 3653927 A2 EP3653927 A2 EP 3653927A2
Authority
EP
European Patent Office
Prior art keywords
device carrier
adapter
cover
transverse
illuminant
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
Application number
EP19209369.8A
Other languages
German (de)
English (en)
Other versions
EP3653927B1 (fr
EP3653927A3 (fr
Inventor
Alexander Drölle
Andreas Mohr
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trilux GmbH and Co KG filed Critical Trilux GmbH and Co KG
Publication of EP3653927A2 publication Critical patent/EP3653927A2/fr
Publication of EP3653927A3 publication Critical patent/EP3653927A3/fr
Application granted granted Critical
Publication of EP3653927B1 publication Critical patent/EP3653927B1/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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a lamp according to the preamble of claim 1 and a method for realizing such a lamp.
  • Generic lights comprise a device carrier, a light source arranged on a mounting side of the device carrier and a translucent cover attached to the device carrier.
  • the cover can, for example, be transparent or translucent and in particular include optical structures for directing light, for example prismatic structures or lens structures or can be designed as a diffuser.
  • a generic lamp, to which the invention relates, as well as its equipment carrier and its cover are elongated in a longitudinal direction, their extension in the longitudinal direction preferably being at least three times, in particular at least five times, in particular at least ten times, their extensions along a vertical direction and / or along a transverse direction, the vertical and transverse directions being perpendicular to one another and perpendicular to the longitudinal direction.
  • a light room is formed between the cover and the device carrier, in which the light source is arranged.
  • the luminaire is designed to emit light emitted by the light source through the cover, so that the cover is a light emission side of the luminaire forms.
  • the cover is fixed within an extension of the device carrier along a transverse direction, which is perpendicular to the longitudinal direction, by means of a positive connection on the device carrier, the mounting side of the device carrier preferably being designed as a vertical side of the device carrier, which thus forms a vertical end of the device carrier, where vertical direction, transverse direction and longitudinal direction are perpendicular to each other.
  • the positive connection can be, for example, a latching connection and / or a rail connection.
  • a rail connection is to be understood to mean that a device is provided which extends in the longitudinal direction and preferably extends over at least 10%, in particular at least 20% of the length of the lamp, and which has a cross section which is constant over its length, perpendicular to the longitudinal direction, whereby a positive connection is realized along this device, by means of which the cover is fixed to the device carrier.
  • Such elongated lights of the generic type to which the invention relates are provided in order to efficiently illuminate large rooms in the most cost-effective manner possible. Such lights should be as inexpensive as possible and be constructed as simply as possible.
  • Various possibilities are known in the prior art for fixing the cover to the device carrier.
  • a mounting rail is provided, on which the device carrier and the cover are fixed.
  • the cover encompasses the device carrier and the cover in the transverse direction, and the cover is fixed to the mounting rail with respect to the transverse direction outside the device carrier.
  • such a structure requires a high level of complexity and the provision of a correspondingly complex mounting rail is only underneath certain operating conditions necessary and associated with high costs.
  • the solutions known from the prior art each have various disadvantages.
  • the device carrier is designed specifically for corresponding covers, it is usually not possible to manufacture the device carrier in large numbers, since only a specific luminaire design can be realized with the respective device carrier.
  • the cover is specifically designed with latching devices provided in sections, the cost-effective production of the cover is made more difficult, for example making the cover by extrusion process impossible.
  • the connection techniques between cover and device carrier are often complicated, which prevents automation of the entire manufacturing process of the lamp.
  • the fastening of the cover to the device carrier often results in the provision of fastening means which impair the light radiation from the light source through the cover.
  • the invention has for its object to provide a lamp that at least partially overcomes at least one of the disadvantages described above or at least one of the problems described above that occur with generic lamps.
  • the luminaire according to the invention comprises a device carrier, a light source arranged on a mounting side of the device carrier and a translucent cover attached to the device carrier.
  • the lamp, the device carrier and the cover are elongated in a longitudinal direction.
  • a light room is formed between the cover and the device carrier, in which the light source is arranged.
  • the lamp is designed to emit light through the cover.
  • the cover is fixed to the device carrier by means of a positive connection within an extension of the device carrier that extends along a transverse direction.
  • the luminaire according to the invention further comprises an adapter which is fixed to the device carrier and which forms a first part of the positive connection which corresponds to a second part of the positive connection provided on the cover.
  • the first part and the second part bear against one another in a form-fitting manner to form the positive connection.
  • the adapter from plastic, for example by means of extrusion or injection molding processes.
  • the cover is not fixed directly to the equipment carrier but indirectly, namely via the adapter to the equipment carrier.
  • the fixation on the device carrier is carried out in two stages, so that the adapter can be specifically aimed at the device carrier and at the same time can be specifically directed at the cover.
  • the two-stage fixation of the cover to the device carrier enables particular consideration to be given to the automation process to be used for manufacturing the luminaire, if possible.
  • the cover can also be particularly easily fixed to the adapter.
  • the form-fitting connection is such that the cover is fixed to the device carrier at least with respect to the vertical direction and with respect to the transverse direction due to the form-fitting connection.
  • the positive connection and thus the first part formed by the adapter and the second part formed by the cover extend over at least 50%, in particular at least 70%, of the length of the lamp.
  • the adapter is particularly preferably fixed to the device carrier via a further positive connection, a first part of this further positive connection being formed by the adapter and a second part of this further Form-fit connection is formed by the device carrier.
  • the adapter is fastened to the device carrier by means of a connection which can be implemented by a fixing movement of the adapter relative to the device carrier and which is reversibly releasable in particular by a releasing movement opposite to the fixing movement.
  • Corresponding connecting devices are preferably provided on the adapter and device carrier, which can be brought into engagement with one another by the fixing movement in order to implement the connection.
  • the fixing movement and releasing movement are preferably carried out in a direction perpendicular to the vertical direction.
  • the connection can be designed, for example, as a clamped or snap-in connection.
  • This connection can be designed, for example, as a positive connection, in particular as a positive and non-positive connection, for example by providing a correspondingly designed clamping or latching connection.
  • the mountability of the adapter on the device carrier is particularly simplified and particularly favorable for an automation process. Because there is no need to provide separate fixing elements, such as rivets or screws, for realizing the connection between the adapter and the device carrier, which typically slows down the manufacture of the lamp and thereby makes it more expensive.
  • the adapter is particularly preferably attached to the device carrier exclusively via such a connection and thus without the provision of external fixing elements.
  • the positive connection is as Rail connection formed.
  • This rail connection is realized by the adapter and / or by the cover.
  • the cover and / or adapter each have a rail, ie a fixing device which extends in the longitudinal direction with a constant cross section and which can be inserted into a corresponding fixing device of the other element of the cover or adapter.
  • the first part formed by the adapter and / or the second part formed by the cover particularly preferably has a constant cross section perpendicular to the longitudinal direction over at least 80%, in particular at least 90%, in particular 95% of its length, with the first part and / or the length of the second part extends over at least 50%, in particular at least 70%, in particular at least 80%, in particular at least 90% of the length of the cover.
  • the mounting side faces the cover and lies vertically opposite the cover, the adapter being arranged on the mounting side and extending at least in sections in the longitudinal direction along the illuminant and in a transverse direction which is perpendicular to the vertical direction and to the longitudinal direction, is arranged next to the lamp.
  • the adapter is preferably arranged transversely next to the illuminant in the said longitudinal section at both transverse ends of the illuminant.
  • the adapter can furthermore extend at least in sections along the transverse direction over the illuminant, for example for optical influencing and / or fixing of the illuminant.
  • the adapter rests on the illuminant and is therefore in contact with the illuminant, in particular on both transverse ends of the illuminant abuts and extends from each of the transverse ends of the illuminant to the cover.
  • the adapter is thus preferably in contact with both the illuminant and the cover, the adapter forming a portion of the first part of the interlocking connection on both transverse sides of the illuminant.
  • the formation of a portion of the first part of the positive connection on both transverse sides of the illuminant enables the cover to be fixed particularly well via the adapter on the device carrier.
  • the adapter with its sections, each of which forms a portion of the first part for positive connection, on both transverse sides of the lamp makes sense in any case, even if the adapter is not in contact with the respective transverse ends, but when arranged on a specific one Transversal side, from which this transverse side forming transverse end is spaced.
  • the adapter Since the adapter is in contact with the illuminant, ie is in contact with the illuminant, in particular in a transverse end section of the illuminant, which is in particular 20% of the transverse extension length of the adapter starting from the respective absolute transverse end, the adapter can simultaneously fix the illuminant contribute to the device carrier and, in particularly preferred embodiments, sometimes also contribute to the light control of the light emitted by the illuminant.
  • the illuminant comprises a circuit board on which at least one LED is arranged.
  • the adapter can rest on the board.
  • both transverse ends of the circuit board are at least partially vertical between the mounting side of the device carrier and an adapter section assigned to the respective transverse end arranged.
  • the respective adapter partial section particularly preferably presses the respective transverse end of the board against the device carrier. This allows the board to be fixed to the device carrier particularly advantageously by means of the adapter. It is particularly preferred in this embodiment that the adapter influences less than 10% of the light emitted by the illuminant before it reaches the cover.
  • the first part of the interlocking connection is formed by the two adapter sections, the two adapter sections each extending transversely beyond the circuit board, namely beyond the transverse end of the circuit board assigned to the respective adapter section and thus transversely next to the circuit board, and the cover with the second part of the interlocking connection formed by it is arranged between the mounting side of the device carrier and a first of the adapter sections and between the mounting side and a second of the adapter sections.
  • the two adapter sections are particularly preferably designed as two separate components, so that the adapter is not a one-piece component but at least has the two adapter sections as separate components. In this way, particularly simple assembly can be favored, and, moreover, the adapter can influence the light emitted by the illuminant as far as possible.
  • At least one of the adapter partial sections has a step-shaped cross section perpendicular to the longitudinal direction, the step-shaped cross section comprising a first transverse section, which abuts the circuit board, and a second Transversal section, which forms a portion of the first part of the form-fitting connection and which abuts the cover, in particular the second transverse section being spaced further vertically from the mounting side of the device carrier than the first transverse section.
  • the adapter partial section can simultaneously apply a contact pressure against the second part of the interlocking connection formed by the cover in the direction of the mounting side of the device carrier and a contact pressure from the first transverse section on the circuit board in the direction of the mounting side of the device carrier.
  • the adapter section has a third transverse section, which is provided in relation to the transverse direction between the first and second transverse sections, the adapter section being fastened to the implement carrier within the transverse extent of the third transverse section.
  • the cover with its second part of the positive connection is between the mounting side of the device carrier and the second transverse section and the first transverse section is in contact with the circuit board, the cover preferably extending below the second transverse section in relation to the vertical direction with the second part of the interlocking connection formed by it, and the circuit board extending below the vertical direction in relation to the vertical direction of the first transverse section.
  • the circuit board particularly preferably has a cutout, the adapter being fixed within the cutout on the device carrier and the third transverse section thus at least partially extending within the horizontal extension of the circuit board. This can allow a particularly stable mounting of the board on the mounting side.
  • the adapter extends vertically from the mounting side to the side of the device carrier opposite the mounting side and engages behind the device carrier.
  • the adapter is thus arranged with a section on the side of the device carrier that is vertically opposite the mounting side and overlaps on this side in a direction perpendicular to the vertical direction with the device carrier so that it engages behind it.
  • This design ensures a particularly simple and effective fixation of the adapter to the device carrier.
  • the adapter in relation to the transverse direction, grips laterally past the device carrier around the device carrier.
  • the adapter runs through at least one, in particular a plurality of recesses in the device carrier, starting from the mounting side to the side vertically opposite the mounting side.
  • the cutout in the device carrier is preferably designed as a bushing encircled circumferentially by a cutout edge within the horizontal extent of the device carrier.
  • the adapter preferably also runs through at least one cutout provided in the board, this cutout provided in the board preferably being provided only on one edge of the board and thus not being circumferentially surrounded by a cutout edge.
  • the adapter has a web on each transverse side of the illuminant next to the illuminant, ie transversely next to the illuminant, in particular offset transversely to the illuminant, which extends vertically through a recess provided in the device carrier through the device carrier.
  • a protrusion extending from the crosspiece in a direction perpendicular to the vertical direction, preferably extending along the longitudinal direction, is arranged on the crosspiece, which in the operating position engages behind the device carrier on its side opposite the mounting side, that is, perpendicular to the vertical direction overlaps the equipment carrier, and is arranged on the side of the equipment carrier opposite the mounting side.
  • the circuit board particularly preferably has a recess assigned to the web, in which the web is arranged. As explained, the recess can lie on an edge of the board.
  • the cut-out in the board can have the advantage that the board is fixed by the adapter by means of a lever effect, the lever being fixed at the level of the board, which is particularly advantageous for stability.
  • the adapter particularly preferably has a plurality of webs on each transverse side of the illuminant, which are spaced apart from one another in the longitudinal direction. Two longitudinally adjacent webs, which are arranged on the same transverse side of the illuminant, are particularly preferred by less than 20%, in particular by less than 10%, of the length of the device carrier from each other spaced.
  • the adapter can reach behind the device carrier in a particularly simple and reliable manner.
  • the web together with the projection is designed to correspond to the recess in the device carrier in such a way that the web together with the projection can be carried out vertically through the recess provided in the device carrier and the adapter is then to be carried out in the projection direction relative to the device carrier
  • Fixing movement can be fixed on the equipment carrier.
  • the fixation can be done by jamming or latching.
  • the corresponding design enables a particularly high degree of automation in the manufacturing process of the luminaire, since the adapter with its web and the projection can be inserted into the recess from the mounting side and can be attached to the device carrier by the fixing movement.
  • the device carrier has a tongue which, starting from an edge section of the recess, extends at least partially within the recess, the tongue being deflectable relative to the edge section of the recess, in particular being reversibly deflectable, in particular about an axis running perpendicular to the vertical, in particular about an axis running perpendicular to the vertical and perpendicular to the direction of projection.
  • the tongue In an operating position, the tongue is arranged in the projection direction next to the web in order to prevent the adapter from coming loose from the device carrier.
  • the tongue In an assembly position, the tongue is deflected relative to the operating position in such a way that it leaves the recess free to such an extent that the web together with the projection through the recess is feasible.
  • the tongue can only be moved both from the operating position into the assembly position and from the assembly position into the operating position by applying an external force, so that the tongue does not change elastically from one position to the other in this embodiment.
  • the device carrier is preferably made of sheet metal, in particular by forming a sheet.
  • This generally preferred embodiment of the device carrier is particularly advantageous in the embodiment described, comprising a tongue which, starting from an edge portion of the recess, extends at least partially over the recess.
  • the tongue can be realized by a simple stamping process and can be connected to the mounting side via an edge section and accordingly have the described reversible deflectability.
  • the tongue ensures in a particularly simple and reliable manner that the adapter does not unintentionally detach from the device carrier after being fixed to the device carrier.
  • the adapter has two separate elements, each of which forms a portion of the first part of the positive-locking connection, a first of the two elements being arranged on a first transverse side of the illuminant and a second of the two elements on a second, the first opposite transverse side of the lamp is arranged.
  • the two separate elements can each form one of the two adapter sub-sections mentioned above, which are provided in a preferred exemplary embodiment.
  • the two elements are particularly preferably spaced apart from one another in the transverse direction by a transverse distance.
  • the transverse distance is preferably at least 50% of the transverse extension length of the illuminant.
  • the illuminant is particularly preferred designed to emit at least 80%, in particular at least 90%, of the light emitted by it at an angle of radiation perpendicular to the longitudinal direction which lies within the transverse spacing of the two elements. This ensures in a particularly preferred manner that the two elements of the adapter at most influence a small proportion of the light emitted by the illuminant, for example with regard to light color, light intensity emerging from the cover or light emission direction.
  • the adapter has an optically effective transverse section which is located in the transverse direction within a radiation angle illuminated by the illuminant and which is designed to change the direction of the light emitted by the illuminant before the light reaches the cover.
  • an optically effective transverse section which is located in the transverse direction within a radiation angle illuminated by the illuminant and which is designed to change the direction of the light emitted by the illuminant before the light reaches the cover.
  • at least 70%, in particular at least 80%, of the light emitted by the illuminant passes through the optically active transverse section before it reaches the cover.
  • the optically effective transverse section particularly preferably extends over the entire radiation angle of the illuminant, so that all of the light emitted by the illuminant passes through the optically active transverse section before it reaches the cover.
  • the adapter can fulfill two functions simultaneously: firstly, the easier installation of a cover on the device carrier, and secondly the influencing of the light emitted by the illuminant, thereby making a contribution to the specification of the light distribution characteristic of the Luminaire can afford.
  • the optically effective transverse section can be located, for example, in the transverse direction between the two adapter sections described with reference to the above exemplary embodiment.
  • the device carrier has a plurality of circuit board fixing tongues projecting vertically from its mounting side toward the cover, of which a first group is arranged on a first transverse side of the circuit board and a second group on a second transverse side of the circuit board
  • the circuit board is arranged to fix the circuit board relative to the device carrier along the transverse direction.
  • the circuit board fixing tongues are particularly preferably bent in a fixing position in such a way that they press the circuit board vertically against the device carrier.
  • the circuit board surface section on which the circuit board fixing tongues abut is particularly preferably insulated.
  • Such insulation can be achieved, for example, by applying an insulating layer to a conductive layer provided on the top side of the board, or, for example, by providing a recess in a conductive layer provided on the top side of the board at the level of the board fixing tongues.
  • board fixing tongues By providing board fixing tongues, movement of the board along the transverse direction relative to the device carrier can be prevented in a particularly simple manner, since the board fixing tabs can form a transverse stop for the board.
  • By bending the circuit board fixing tongues By bending the circuit board fixing tongues, a vertical fixing of the circuit board to the device carrier can be carried out in a particularly simple manner.
  • the circuit board fixing tongues in the luminaire particularly preferably exert a contact pressure on the circuit board which acts in the vertical direction and via which the circuit board is pressed against the device carrier.
  • a plurality of circuit board fixing tongues is particularly preferably provided on both transverse sides of the circuit board, this multiplicity of circuit board fixing tongues is distributed over the length of the board in such a way that the board is pressed against the device carrier over a substantial portion of its length, in particular over more than 50%, in particular more than 80% of its areal extent, in order to prevent the board from being fixed relative to the device carrier a relative movement of the board to the device carrier along the longitudinal direction.
  • circuit board fixing tongues on both transverse sides of the circuit board also ensures particularly reliable avoidance of a relative movement of the circuit board relative to the device carrier along the transverse direction. Since the circuit board fixing tongues are arranged distributed over the longitudinal extent of the circuit board and ensure a corresponding contact pressure of the circuit board against the device carrier, which is distributed over the area of the board, thermal stressing of the circuit board relative to the device carrier can be avoided, which occurs when the The circuit board is only fixed to the device carrier at a few locations that are clearly spaced apart in the longitudinal direction, since there can then be different thermal expansions of the board and device carrier between these locations over the longitudinal extent of the board and device carrier, which can then lead to corresponding tension.
  • the invention further relates to a set for realizing a lamp according to the invention.
  • the set comprises a device carrier with a mounting side on which a light source is arranged, and a translucent cover that can be attached to the device carrier.
  • the device carrier and the cover are elongated in a longitudinal direction and are designed to correspond to one another in such a way that they can be connected to one another in such a way that a light room is formed between the cover and the device carrier, in which the light source is arranged, and from the light source emitted light can be emitted through the cover.
  • the cover can be fixed to the device carrier within an extension of the device carrier along a transverse direction by means of a positive connection.
  • the set comprises at least one adapter, which can be fixed to the device carrier in such a way that it forms a first part of the form-fitting connection, which corresponds to a second part of the form-fitting connection provided on the cover, the first part and the second part forming the form-fitting connection rest against each other in a form-fitting manner.
  • the set according to the invention comprises a number of different adapters, each of which has the properties mentioned which correspond to the device carrier and the cover, but which differ from one another in other features which can be seen from the above-mentioned embodiments of a lamp according to the invention.
  • the set is preferably designed so that the set can be used to implement at least two different lights according to the invention, which differ in their adapter, preferably only in their adapter.
  • the set comprises a first adapter, which has an optically effective transverse section, and a second adapter, which has two separate elements, each of which forms a portion of the first part of the form-fitting connection, a first of the two elements on a first transverse side of the The lamp is arranged and a second of the two elements is arranged on a second transverse side of the lamp opposite the first, the set being designed to implement two different lamps, of which a first lamp comprises the first adapter as a single adapter and of which a second lamp comprises the second adapter as a single adapter.
  • the set can have further features that are known to those skilled in the art in view of the different ones explained above Embodiments of a lamp according to the invention can be seen.
  • the set according to the invention has the particular advantage that a high degree of modularity is achieved, which can simplify and reduce the cost of producing a lamp.
  • the inventors have recognized that the set according to the invention can be used, for example, to implement a luminaire with injection molding optics if the adapter is designed as an optically effective section, and that on the other hand an inexpensive cover produced by extrusion processes can be used on the same equipment carrier, by using an optically ineffective or optically effective adapter to connect the cover to the device carrier.
  • the invention further relates to a method for realizing a lamp.
  • a first process step an adapter is attached to a device carrier on which a lamp is arranged, and in a second process step, a cover is fixed to the adapter.
  • the second method step takes place after the first method step, however, the cover can also be fixed to the adapter first and then this assembly including adapter and cover can be fastened to the device carrier, so that the second method step then takes place before the first.
  • the cover is particularly preferably attached to the adapter via a positive connection, in particular a rail guide, of which a first part is formed by the adapter and a second part by the cover.
  • the invention further relates to a method for fixation of an adapter on a device carrier, wherein in a first method step the adapter with a web, on which a projection extending in a projection direction from the web is arranged, is passed through a recess provided in the device carrier and in a second, on the first Method step following method step, the adapter is fixed to the device carrier by a fixing movement relative to the device carrier along the projection direction, in particular is clamped or locked.
  • a tongue arranged on the device carrier next to the web is particularly preferably bent into the recess in order to prevent the adapter from being detached from the device carrier by a releasing movement to the device carrier which takes place in the opposite direction to the fixing movement.
  • the tongue is bent into the recess on the side of the web opposite the projection along the projection direction.
  • Figure 1 Figure 2 comprehensively the Figures 2a , 2 B and 2c
  • Figure 3 and Figure 4 comprehensively the Figures 4a and 4b different views of a first embodiment of a system according to the invention are shown in schematic basic representations.
  • the system according to the invention shown in these figures has an equipment carrier 1 and a cover 2.
  • the cover 2 is held on the device carrier 1 via an adapter 3.
  • a board 4 with LEDs 41 is also attached to the adapter 3.
  • Adapter 3, circuit board 4 and cover 2 are each fixed on the mounting side of the device carrier 1.
  • the adapter 3 forms, together with the cover 2, a positive connection, via which the cover 2 is fixed to the device carrier 1.
  • the adapter 3 has two adapter sections 30, each of which forms a portion of the first part of the positive connection, in the present case together forming the first part of the positive connection.
  • the cover 2 has two cover sections 20, which together form the second part of the positive connection, the first part and the second part cooperating to form the positive connection.
  • the positive connection is designed as a rail connection, so that the first part and the second part interact in a rail-like manner.
  • the points through the Cover sections 20 formed second part two in the transverse direction Y spaced apart and opposite grooves, in each of which engages a spring which is formed by the first part of the positive connection, which is formed by the adapter partial sections 30.
  • the second part of the form-fitting connection which is formed by the cover 2 has two cover partial sections 20.
  • Each of the two cover sections 20 is arranged on a side wall of the cover 2, which presses with its lower vertical end against the mounting side of the device carrier 1.
  • Each of the cover sections 20 is connected to the respective side wall via a leg extending vertically upwards from the respective side wall. Starting from a rest position, in which the cover section 20 is in a certain vertical position, this leg can be elastically deflected when the cover section 20, which forms part of the second part of the form-fitting connection, is deflected vertically downward from the rest position.
  • a corresponding configuration is particularly advantageous since, due to the elastic deflectability by means of the cover sections 20, a pressing force can be exerted on the adapter 3, ie on the adapter section 30, which can be useful, for example, for fixing the circuit board 4 via the adapter 3, as further below explained using the second embodiment.
  • the adapter 3 has an optically effective transverse section 33, which in the present case is arranged in the transverse direction Y between the two adapter partial sections 30 and extends in the transverse direction Y across the illuminant extends.
  • the illuminant has a circuit board 4 with LEDs 41 arranged thereon.
  • the LEDs 41 are arranged on the mounting side of the device carrier 1.
  • the circuit board 4 also has connecting terminals 42 which, starting from the mounting side, pass through the device carrier 1 and are arranged on the side of the device carrier 1 which is vertically opposite the mounting side.
  • the adapter 3 also fulfills the function of fixing the cover 2 on the device carrier 1 Function of an optical element that influences the direction of the light emitted by the illuminant before it reaches the cover 2.
  • the adapter 3 is as shown in FIG Figures 3 and 4th comprehensively the Figures 4a and 4b can be seen, fixed to the device carrier 1 via a further positive connection.
  • the adapter has webs 34 which, through a recess 10 provided in the device carrier 1, extend from the mounting side of the device carrier 1 along the vertical direction Z through the device carrier 1 to the side of the device carrier 1 opposite the mounting side
  • the webs 34 also extend through recesses provided in the board and are therefore arranged at least in sections within the horizontal extent of the board 4.
  • a projection 35 is provided on the web 34, which extends away from the web 34 along a projection direction, which in the present case runs parallel to the longitudinal direction X.
  • the projection 35 engages the device carrier 1 on its the mounting side vertically opposite side.
  • a tongue 11 is also arranged within the recess 10 through which the web 34 extends. This tongue 11 extends from an edge section of the recess 10 into the recess 10 and lies on the side of the web 34 opposite the projection 35 with respect to the projection direction, which is generally advantageous.
  • the tongue 11 effectively prevents the adapter 3 from being detached from the device carrier 1.
  • the fixation of the adapter 3 to the device carrier 1 takes place in that the web 34 is first passed together with the projection 35 through the recess 10 along the vertical direction Z, the tongue 11 emerging from it in Figure 4a shown rest position is deflected so that the web 34 can pass together with the projection 35 through the recess 10.
  • the adapter 3 is then moved relative to the device carrier 1 by means of a fixing movement taking place along the projection direction, as a result of which the adapter 3 is fastened to the device carrier 1. Subsequently, the tongue 11 is bent back into its rest position, whereby it is in the Figure 3
  • the position shown arrives at preventing the adapter 3 from becoming detached from the device carrier 1.
  • the side of the device carrier 1 opposite the mounting side is shown together with the projection 35 and the web 34 of the adapter 3.
  • the mounting side of the device carrier 1 is shown, but without the adapter 3 for explanatory purposes.
  • FIG 4 comprehensively the Figures 4a and 4b it can also be seen how board fixing tongues 12 are provided on the device carrier 1, with which the board 4 can be reliably fixed on the device carrier 1.
  • the board fixing tongues 12 are arranged laterally next to the board 4 in the transverse direction Y and prevent one Moving the board 4 relative to the device carrier 1 with respect to the transverse direction Y.
  • the board fixing tongues 12 are still bent over to the device carrier 1 and to the top of the board 4 for pressing the board 4 against the mounting side of the device carrier 1, as a result of which the board is also fixed relative to the device carrier with respect to the longitudinal direction.
  • the device carrier 1 with circuit board fixing tongues 12 and tongues 11 can be produced particularly preferably from a sheet metal.
  • the respective tongues 11 or circuit board fixing tongues 12 can be produced in a simple manner by stamping and forming processes.
  • FIG 5 comprehensively the Figures 5a , 5b , 5c and 5d a second embodiment of a lamp according to the invention is shown. Similar components are identified with identical reference symbols.
  • Significant difference between the embodiment according to the Figures 1 to 4 and the embodiment according to Figure 5 consists in the different design of the adapter 3. While the adapter 3 according to the first, in the Figures 1 to 4 illustrated embodiment is formed in one piece, the adapter 3 in the embodiment according to Figure 5 from two separate elements 31, 32.
  • the two elements 31, 32 each form an adapter section 30 of the adapter 3.
  • Each of the elements 31, 32 has a step-shaped cross section perpendicular to the longitudinal direction X.
  • each of the elements 31, 32 each has a first transverse section 312, 322, which bears against the circuit board 4, and a second transverse section 313, 323, which forms a portion of the first part of the positive connection and bears on the cover 2.
  • the second transverse section 313, 323 is further along the vertical direction Z from the mounting side of the device carrier 1 than the first Transverse section 312, 322.
  • This first transverse section 312, 322 presses vertically from above onto the circuit board 4 in the direction toward the mounting side of the device carrier 1.
  • the LEDs 41 of the circuit board 4 are located in a transverse section in which the adapter 3 does not overlap the illuminant comprising the circuit board 4 and LEDs 41, since the two separate elements 31, 32 are spaced apart from one another by a transverse distance .
  • the light source by means of its LEDs 41 emit light through the cover 2 without the light being significantly influenced by the adapter 3.
  • the inventors have recognized that the provision of such a two-part adapter 3, which does not significantly influence the light emitted by the light source, is particularly suitable for exerting a contact pressure on the circuit board 4 with the adapter. This is because, unlike in the case of optically active adapters 3, a deformation of the adapter 3 caused by the contact pressure does not lead to undesired optical effects.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP19209369.8A 2018-11-15 2019-11-15 Luminaire pourvu de couvercle maintenu par l'adaptateur Active EP3653927B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018128746 2018-11-15

Publications (3)

Publication Number Publication Date
EP3653927A2 true EP3653927A2 (fr) 2020-05-20
EP3653927A3 EP3653927A3 (fr) 2020-07-29
EP3653927B1 EP3653927B1 (fr) 2022-01-19

Family

ID=68583146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19209369.8A Active EP3653927B1 (fr) 2018-11-15 2019-11-15 Luminaire pourvu de couvercle maintenu par l'adaptateur

Country Status (1)

Country Link
EP (1) EP3653927B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4170233A1 (fr) * 2021-10-20 2023-04-26 Trilux GmbH & Co. KG Luminaire avec un couvercle fixé sur un support d'appareil par l'intermédiaire d'un adaptateur et comportant une nervure de renforcement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012214334A1 (de) * 2012-08-10 2014-04-10 Protektorwerk Florenz Maisch Gmbh & Co. Kg Beleuchtungsprofil
DE102013214620A1 (de) * 2013-07-26 2015-01-29 Itz Innovations- Und Technologiezentrum Gmbh Niederhalter
CH709009B1 (de) * 2013-12-18 2017-09-29 Regent Beleuchtungskörper Ag Befestigung einer Leiterplatte und einer Optik einer Leuchte.
EP2924333A1 (fr) * 2014-03-27 2015-09-30 Belux IP AG Luminaire modulaire
DE102014112657B4 (de) * 2014-09-03 2017-08-03 Siteco Beleuchtungstechnik Gmbh Leuchte für ein Lichtbandsystem
KR101655740B1 (ko) * 2014-11-05 2016-09-08 김정열 엘이디 모듈과 케이스 일체형 엘이디 조명등
DE202015104043U1 (de) * 2014-12-08 2016-03-09 Tridonic Gmbh & Co Kg Befestigungsbrücke zur Befestigung von LED-Modulen an Befestigungsschienen
DE202015104042U1 (de) * 2015-08-03 2015-08-31 Dotlux Gmbh Fixierungssystem für Platinen
DE202018101487U1 (de) * 2018-03-16 2018-04-20 Ridi Leuchten Gmbh Geradlinige Leuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4170233A1 (fr) * 2021-10-20 2023-04-26 Trilux GmbH & Co. KG Luminaire avec un couvercle fixé sur un support d'appareil par l'intermédiaire d'un adaptateur et comportant une nervure de renforcement

Also Published As

Publication number Publication date
EP3653927B1 (fr) 2022-01-19
EP3653927A3 (fr) 2020-07-29

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