EP4350212A1 - Bande lumineuse dotée d'un couplage optimisé au montage - Google Patents

Bande lumineuse dotée d'un couplage optimisé au montage Download PDF

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Publication number
EP4350212A1
EP4350212A1 EP23201953.9A EP23201953A EP4350212A1 EP 4350212 A1 EP4350212 A1 EP 4350212A1 EP 23201953 A EP23201953 A EP 23201953A EP 4350212 A1 EP4350212 A1 EP 4350212A1
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EP
European Patent Office
Prior art keywords
coupling
side wall
longitudinal
support rail
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23201953.9A
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German (de)
English (en)
Inventor
Marco Huber
Alexander Drölle
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 EP4350212A1 publication Critical patent/EP4350212A1/fr
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/145—Details, e.g. end pieces or joints

Definitions

  • the invention relates to a system for realizing a lamp elongated in a longitudinal direction according to the preamble of claim 1 as well as a lamp realized by means of such a system and a method for realizing a lamp.
  • Systems of this type are designed to create a luminaire that is elongated in a longitudinal direction and comprises a plurality of longitudinally elongated support rails.
  • the support rails are typically used to fix the luminaire to a building structure, for example to a ceiling.
  • the support rails represent a type of basic framework for the luminaire and are designed to accommodate supply lines and preferably to accommodate mounting bodies to which lamps are attached. An infrastructure for the luminaire is thus provided via the support rails.
  • Electrical functional elements of the luminaire are usually attached to the mounting bodies, for example circuit boards with LEDs, radio modules, electrical cables and/or operating devices.
  • the respective support rail is usually first attached to the building structure and then the mounting body, which is equipped with at least one of the electrical functional elements of the luminaire mentioned, is attached to the
  • the mounting rail is fixed so that the mounting rail and mounting body form an interior space in which essential elements of the luminaire are arranged, for example circuit boards, operating devices, contact devices, etc.
  • the mounting rail and mounting body are typically each elongated in a longitudinal direction, the longitudinal extension is preferably at least five times the extension perpendicular to the longitudinal direction.
  • the mounting rail usually has a U-shaped cross section perpendicular to the longitudinal direction, which extends in a vertical direction and in a transverse direction and is open at one vertical end and which is formed by a mounting rail base and two mounting rail side walls.
  • the mounting rail side walls thus run vertically away from the mounting rail base, and the mounting rail base connects the mounting rail side walls which are spaced apart transversely from one another.
  • the mounting rail base and the mounting rail side walls can have contours or recesses.
  • the mounting rail base and the mounting rail side walls usually together form an interior space which is at least partially enclosed by the mounting rail side walls and the mounting rail base.
  • the interior space is thus defined by the mounting rail.
  • all support rails of a system have the features described here.
  • a generic system has at least a first and a second support rail, which are connected to one another at their mutually facing longitudinal ends to form the luminaire.
  • both support rails are connected by means of a Coupling which has a U-shaped cross section formed by a coupling base and two coupling side walls.
  • the coupling side walls thus run vertically away from the coupling base, and the support rail base connects the coupling side walls which are spaced apart transversely from one another.
  • the U-shaped cross section of the coupling is preferably open at its end opposite the coupling base.
  • each of the support rails has a substantially constant cross section perpendicular to the longitudinal direction, the cross section preferably being identical except for recesses and/or punchings in the support rail base and/or support rail side walls.
  • the cross section of all support rails is often substantially the same.
  • the support rails are fixed relative to one another by the coupling perpendicular to the longitudinal direction and in particular also by means of the coupling in the longitudinal direction.
  • the coupling is usually arranged in the two support rails in such a way that the coupling base runs along both support rail bases and each of the coupling side walls rests against one of the support rail side walls assigned to it.
  • the support rail is usually attached to the building structure via its support rail base.
  • the mounting body is usually arranged at the open vertical end of the support rail, so that the mounting body vertically limits the interior space defined by the support rail and the interior space is enclosed by the support rail and mounting body perpendicular to the longitudinal direction.
  • the enclosure of the interior space, which is defined by the support rail and The interior space formed by the mounting body may be interrupted, for example to allow access to the interior space, for example for air supply.
  • the interior space is continuously enclosed over at least 80%, in particular at least 90%, of its longitudinal extent, in particular over its longitudinal extent.
  • the mounting body often has a cross section perpendicular to the longitudinal direction, which comprises a mounting body base extending in the transverse direction and mounting body side walls extending vertically away from the mounting body base on the two transverse sides of the mounting base.
  • the support rail and mounting body are usually manufactured separately from one another. Particularly preferably, the support rail and/or mounting body are usually each manufactured from a sheet metal by forming.
  • the mounting body is usually held by a retaining spring on support rail retaining anchors of the support rail.
  • the retaining spring is usually firmly connected to the mounting body and has retaining projections that can be elastically deflected in the transverse direction.
  • the support rail retaining anchors are preferably designed as projections.
  • supply lines are usually provided which are arranged in the interior of the support rails and are supplied by the lamps and/or other electrical functional elements which are arranged on the mounting bodies of the luminaire.
  • a generic system often has a current guide rail which is usually made of plastic, in particular by means of an extrusion process, and which is also elongated in the longitudinal direction, i.e. has an elongated longitudinal extension between both of its longitudinal ends.
  • the current guide rail is usually arranged on an inner side of the support rail facing the interior and is fixed to the support rail, in particular on the support rail base and/or on at least one of the support rail side walls.
  • the current guide rail extends over a significant portion of the length of the support rail, in particular over at least 80% of the longitudinal extension of the support rail.
  • the current guide rail usually has several channels arranged next to one another along the transverse direction, which are open to an access side that is accessible from the interior.
  • the channels preferably extend continuously over the entire length of the current guide rail.
  • the transverse direction, the longitudinal direction and the vertical direction run perpendicular to one another.
  • a conductor wire is arranged in at least some of the channels, and at at least one longitudinal end of the current guide rail, the conductor wires are usually connected to an external voltage source via which electrical energy and in particular electrical signals can be applied to the conductor wires.
  • the conductor wires can thus serve as supply lines in the support rails.
  • an electrical connector designed in particular as an electrical feed device, is usually arranged at the longitudinal end and is electrically connected to the conductor wires.
  • an electrical connector is provided at each longitudinal end of the conductor rail.
  • the electrical connectors can, for example, be designed as connectors that correspond to one another, for example a first as a plug and a second as a socket.
  • the system usually also includes a contact device via which an electrical contact is made between the conductor wires assigned to the current guide rail and at least one electrical functional element of the mounting body.
  • the contact device is usually fixed to the mounting body and ensures an electrical connection of the at least one electrical functional element when the mounting body is held in its intended position on the support rail in which the light is implemented.
  • the contact device is designed to engage in the channels from the access side of the support rail in order to contact the conductor wires.
  • Generic systems are used in a wide range of applications, for example in warehouses, production halls, supermarkets or open-plan offices, where luminaires with a plurality of support rails and mounting bodies are used.
  • the basic principle of the luminaires manufactured with a generic system is that the support rails form the electrical and mechanical infrastructure of these luminaires, whereas the mounting bodies are attached to the support rails and have the electrical functional elements that are required in the respective application area.
  • the electrical functional elements are usually designed as lighting modules with light sources, in particular comprising LED boards.
  • other electrical functional elements can also be attached to the respective Mounting body may be provided, such as a presence sensor (e.g. infrared sensor), a camera, a radio module, etc.
  • the electrical functional elements are usually fixed to the mounting body.
  • each lighting component comprises a support rail designed as explained, are arranged one behind the other in the longitudinal direction and connected to one another. Further components of the respective lighting component can be arranged on or in the support rails of the lighting components.
  • lamps and supply lines can be attached to the support rails, for example directly to the support rails, for example by providing a mounting body designed as explained above and/or a current conducting rail designed as explained above.
  • each lighting component can comprise a support rail, a current conducting rail and a mounting body and in particular a coupling attached to the support rail.
  • the lighting components are arranged one behind the other in the longitudinal direction, the support rails of the respective lighting components being mechanically connected to one another by means of the coupling and the supply lines that run in the support rails, in particular the conductor wires arranged in the current conducting rails of the lighting components, being electrically connected to one another in pairs, i.e. one conductor wire of the first lighting component is connected to one conductor wire of the second lighting component.
  • a luminaire in the respective system therefore comprises a large number of support rails and in particular a plurality of mounting bodies and/or current guide rails or a plurality of luminaire components, each of which is connected to one another as explained.
  • the support rails are usually delivered with the coupling arranged at the factory with one longitudinal section in the respective support rail and another longitudinal section protruding from the support rail, with which it can then be inserted into another support rail to fix the two support rails together.
  • Such fixing of the two support rails to one another using the coupling should be as simple and quick to carry out as possible and at the same time ensure that the two support rails are reliably fixed to one another.
  • both the support rails and the coupling are usually made from sheet metal by forming, with the coupling being made from a thicker sheet and having a higher rigidity than the support rails.
  • the sheet metal from which the coupling is formed has a thickness of at least 1 mm, in particular at least 1.2 mm, in particular between 1 mm and 2 mm, so that the coupling side walls and the coupling base have such a thickness or wall thickness.
  • the sheet metal from which the support rail is formed has a thickness of less than 70% of the thickness of the sheet metal from which the support rail is formed, wherein the support rail side walls or the support rail base have a have such a thickness or wall thickness.
  • the coupling in both support rails must be fastened with its coupling side walls tightly against the support rail side walls of the two support rails.
  • the coupling should extend as little as possible into the clear cross-section of the support rails when arranged in the respective support rails and take up as little space in the support rails as possible.
  • very precise alignment of two support rails is necessary when they are connected to one another by means of a coupling, which is usually achieved by using special alignment tools and/or the cooperation of a sufficient number of sufficiently trained fitters.
  • this entails considerable effort and costs, especially when implementing very elongated luminaires.
  • the present invention is based on the object of providing a system or a coupling or a lamp or a method with which at least one disadvantage of generic systems, lamps and methods can be at least partially remedied.
  • the invention proposes a system with the features according to claim 1.
  • the system comprises a first and a second support rail, each having a U-shaped cross-section which extends in a vertical direction and in a transverse direction and which is open at one vertical end, corresponding to its shape in the manner of a U.
  • the support rails each have a support rail base and two support rail side walls which form the U-shaped cross-section.
  • the system has a coupling for mechanically connecting the two support rails.
  • the coupling has a U-shaped cross-section which is formed by a coupling base and two coupling side walls.
  • the coupling is arranged with a first longitudinal section in the first support rail and with a second longitudinal section in the second support rail and fixes these two support rails to one another.
  • At least a first of the coupling side walls runs with a first longitudinal end section angled to the longitudinal direction towards the other of the coupling side walls, so that the coupling has a transverse width that reduces towards its first longitudinal end. Due to the angled first longitudinal end section of the first coupling side wall and the resulting reduction in the transverse width of the coupling at its first longitudinal end, the coupling can be particularly easily inserted into the first support rail to implement the operating state.
  • the first longitudinal end section of the first coupling side wall forms at least a section of the first longitudinal end, in particular the absolute first longitudinal end, of the coupling, preferably the part of the absolute first longitudinal end of the coupling formed by the first coupling side wall. Accordingly, the second coupling side wall and the coupling base each form a section of the first longitudinal end of the coupling.
  • the first longitudinal end of the coupling is thus formed by the first longitudinal end sections of the two coupling side walls and the coupling base.
  • the inventors have surprisingly found that, contrary to the usual design of couplings with coupling side walls running as parallel to the longitudinal direction as possible, which on the one hand allows for space-saving and on the other hand for the most stable Design of the coupling is made possible, it is particularly advantageous if at least the first coupling side wall has at least one first longitudinal end section which forms its first longitudinal end, in particular absolute longitudinal end, which runs at an angle to the longitudinal direction towards the second coupling side wall.
  • the first longitudinal end section of the first coupling side wall thus runs with an extension component in the transverse direction towards the second coupling side wall.
  • the second coupling side wall also runs with a first longitudinal end section at an angle to the longitudinal direction towards the first coupling side wall, wherein the first longitudinal end section of the second coupling side wall forms a section of the first longitudinal end, in particular the absolute first longitudinal end, of the coupling, preferably the section of the absolute first longitudinal end of the coupling formed by the second coupling side wall.
  • the first longitudinal end section of the second coupling side wall can preferably have features that are explained here in connection with the longitudinal end section of the first coupling side wall.
  • a longitudinal end defines the end of an object in relation to the longitudinal direction over its entire extent perpendicular to the longitudinal direction
  • an absolute longitudinal end defines its outermost extension end in relation to the longitudinal direction.
  • the first longitudinal end sections of the first and second coupling side walls are particularly preferably angled at the same angle relative to the longitudinal direction; generally preferably, the first longitudinal end sections of the coupling side walls, but at least the first longitudinal end section of the first coupling side wall, run over at least 80% of their planar extension, in particular completely flat.
  • the first longitudinal end sections or the first longitudinal end section of the first and/or second coupling side wall run over their entire extension at an angle to the longitudinal direction towards the other coupling side wall.
  • the first longitudinal end section merges directly via a bend provided in the coupling side wall into a region of the coupling side wall that runs parallel to the longitudinal direction.
  • the provision of an angled first longitudinal end section on at least the first coupling side wall at the first longitudinal end of the coupling has proven to be particularly advantageous for connecting the first and second support rails on a construction site when the second support rail is already delivered to the construction site with the coupling mounted on it, the coupling being arranged with its second longitudinal section in the second support rail and fixed thereto and protruding with its first longitudinal section beyond the second support rail and being inserted into a longitudinal end of the first support rail to connect the first and second support rails, which is directed towards the longitudinal end of the second support rail in which the coupling is arranged.
  • a correspondingly angled second longitudinal end section can also be provided at the second longitudinal end of the coupling, so that the first coupling side wall runs with a second longitudinal end section angled to the longitudinal direction towards the second coupling side wall or the second coupling side wall runs with a second longitudinal end section angled to the longitudinal direction towards the first coupling side wall, wherein the longitudinal end sections of the coupling side walls form the respective section of the second longitudinal end of the coupling, which is formed by the respective coupling side wall.
  • the first longitudinal end section at the first longitudinal end of the coupling has a vertical height that is less than 80%, in particular less than 70%, in particular less than 60% of its maximum vertical height.
  • the first longitudinal end section at the first longitudinal end of the coupling has a vertical height that is at least 10%, in particular at least 20% of its maximum vertical height.
  • the maximum vertical height is the extension length in the vertical direction that the coupling has over its entire extension in the longitudinal and transverse directions.
  • the longitudinal end section can be uninterrupted along the vertical direction or have vertically spaced-apart sections, in the latter case the vertical extension length of the longitudinal end section being formed by the sum of the vertical extension lengths of the sections.
  • the first longitudinal end section of the first coupling side wall at the first longitudinal end has a lower height than the maximum height of the coupling, the first longitudinal section can be particularly easily inserted into the first support rail.
  • the first Longitudinal end section preferably forms a section of the absolute first longitudinal end of the coupling.
  • all advantageous properties which are described here with reference to the first longitudinal end section of the first coupling side wall can also preferably be provided in the first longitudinal end section of the second coupling side wall, in particular also preferably in the second longitudinal end section of the first coupling side wall and/or the second longitudinal end section of the second coupling side wall. Since the first longitudinal section has a not inconsiderable vertical extension length, i.e.
  • the coupling has at its first longitudinal end at the level of the first longitudinal end section of the first and in particular the second coupling side wall a clear transverse width between its coupling side walls which is greater than 80% of its clear transverse width averaged over its longitudinal extension length.
  • the clear transverse width is the transverse distance that the coupling side walls have when spaced from the coupling base, so that the transverse width defines the transverse extension length between the coupling side walls, over which an object can be inserted into the U-shaped cross section of the coupling.
  • the clear width of the first longitudinal end at the level of the first longitudinal end section is the width across the vertical area over which the first longitudinal end section extends.
  • the coupling Since the coupling has a clear transverse width at its first longitudinal end that is only slightly smaller than its clear transverse width averaged over its longitudinal extension length, it can also be inserted at the level of the first Longitudinal end of the coupling must allow sufficient space to accommodate components of the luminaire within the coupling or the first support rail in the operating state.
  • the angled course of the first longitudinal end section to the longitudinal direction contributes to the easy insertion of the coupling into the first support rail.
  • the first longitudinal end section of the first coupling side wall is spaced from the support rail base of the second support rail and/or from the coupling base, preferably by at least 5%, in particular by at least 10%, in particular by at least 20% of the maximum vertical height of the coupling.
  • the first longitudinal end section of the first coupling side wall is spaced from the absolute vertical end of the second support rail opposite the support rail base, which is formed by its support rail side walls, preferably by at least 5%, in particular by at least 10%, in particular by at least 20% of the maximum vertical height of the coupling.
  • This can ensure that the coupling has the largest possible clear transverse width near its coupling base and/or that the first longitudinal end section runs outside of the contours of the support rail that run in the transverse direction and are relevant to the function of the support rail, and in addition, the ability of the first longitudinal end of the coupling to be inserted into the first support rail can be further improved as a result.
  • a current conducting rail is preferably arranged on the support rail base of the second support rail, the current conducting rail being arranged vertically between the support rail base and the first longitudinal section.
  • the current conducting rail preferably extends vertically along the longitudinal end section or within a same vertical section with a volume proportion of less than 10% of its total volume. Area like the longitudinal end section. Because the first longitudinal end section of the first coupling side wall is spaced apart from the coupling base, the first longitudinal end section is designed as a projection of the first coupling side wall.
  • the first longitudinal end section thus preferably forms a section of the absolute first longitudinal end of the coupling, so that the coupling does not extend beyond the longitudinal end section within the extension of the longitudinal end section at the first longitudinal end.
  • the coupling side wall preferably forms a further section of the first longitudinal end of the coupling outside the first longitudinal end section, which does not form the absolute first longitudinal end of the coupling, but is set back in comparison to it.
  • the first longitudinal end section of the first coupling side wall is spaced apart in the vertical direction both from the coupling base and from the absolute vertical end of the coupling opposite the coupling base in the vertical direction, which further improves the insertability of the coupling.
  • the first longitudinal end section extends over a longitudinal extension length of at least 3 mm, in particular at least 5 mm, angled to the longitudinal direction towards the other coupling side wall.
  • the longitudinal extension length of the first longitudinal end section defines the length in the longitudinal direction over which the longitudinal end section extends. Due to its angle to the longitudinal direction, the longitudinal end section naturally also has an extension component perpendicular to the longitudinal direction, but of course also extends over a certain longitudinal extension length in the longitudinal direction.
  • the first longitudinal end section runs at an angle to the longitudinal direction over a transverse extension length that is at least twice the wall thickness of the support rail side walls. In the case of uneven wall thicknesses, the average wall thickness of the first support rail is used. Due to its angled course to the longitudinal direction, the first longitudinal end section reduces the clear width of the coupling over its longitudinal extension length to the first longitudinal end of the coupling by its transverse extension length if the opposite coupling side wall runs parallel to the longitudinal direction, wherein in the case of similarly designed first longitudinal end sections of the first and second coupling side walls, the clear width is reduced by the sum of the transverse extension lengths of the first longitudinal end sections.
  • the first longitudinal end section extends over at least 10%, in particular at least 20%, in particular at least 30% of the maximum vertical height of the coupling.
  • the first longitudinal end section has a considerable extension length in the vertical direction relative to the maximum vertical height of the coupling.
  • the maximum vertical height of the coupling is the maximum extension length of the coupling in the vertical direction over its entire extension in the transverse and longitudinal direction. Due to the considerable vertical extension length of the first longitudinal end section, it ensures particularly good guidance of the coupling when inserting the coupling with its first longitudinal end into the first support rail.
  • the longitudinal extension length of the first longitudinal end section, over over which it runs at an angle to the longitudinal direction towards the other coupling side wall less than 30%, in particular less than 20%, in particular less than 10%, in particular less than 5%, in particular less than 3% of the longitudinal extension length of the coupling. This naturally refers to the entire longitudinal extension length of the coupling between its absolute longitudinal ends.
  • both coupling side walls run with their respective first longitudinal end sections, with which they form the first longitudinal end of the coupling, at an angle to the longitudinal direction towards the other coupling side wall.
  • the first longitudinal end sections of the coupling side walls preferably each form the absolute longitudinal end of the respective coupling side wall and in particular also a section of the absolute longitudinal end of the coupling, at least the section of the absolute longitudinal end of the coupling formed by the respective coupling side wall.
  • the first longitudinal end sections of the two coupling side walls particularly preferably run at an angle to the longitudinal direction at essentially the same angle, wherein the angles preferably each have a value of at least 10°, in particular at least 20°, in particular in the range from 10° to 45°, in particular 15° to 35°.
  • the first longitudinal end sections of the two coupling side walls preferably extend at the same height.
  • the two first longitudinal end sections thus extend over the same vertical distance, preferably exclusively within a same vertical section, whereby the insertability of the first longitudinal end of the coupling into the first support rail can be particularly favored.
  • the first longitudinal end sections of the first and second coupling side walls are designed to correspond to the support rails of the system in such a way that the clear transverse width at the first longitudinal end between the first longitudinal end sections is smaller than the clear transverse width at the longitudinal ends of the support rails, in particular is at least 2 mm smaller, in particular between 2 mm and 10 mm, in particular between 2 mm and 7 mm smaller.
  • the clear transverse width at the first longitudinal end between the first longitudinal end sections is at least 3 mm smaller than the clear transverse width averaged over the entire longitudinal extent of the coupling, wherein for the averaging over the longitudinal extent for each longitudinal position, the smallest clear width between the coupling side walls at this longitudinal position is used, i.e.
  • the coupling side walls have an average wall thickness averaged over their entire extent, wherein the first longitudinal end sections have an average wall thickness averaged over their entire extent, which is at least 70%, in particular at least 80%, in particular at least 90% of the wall thickness averaged over the entire extent of the respective coupling side wall by which they are each encompassed.
  • the coupling base forms a centering section at its first longitudinal end, which is arranged transversely between the coupling side walls and spaced transversely from both coupling side walls
  • the centering section can be designed as a projection or recess.
  • the centering section preferably extends over at least 5%, in particular at least 10% of the longitudinal extension length of the coupling.
  • the centering section is particularly preferably spaced from each of the coupling side walls by at least 5%, in particular by at least 10% of the transverse width of the coupling, with the maximum transverse width being taken into account over its entire extension in the longitudinal direction and vertical direction.
  • the centering section in the coupling base, a particularly good alignment of the first longitudinal end of the coupling can be ensured when the coupling is inserted with its first longitudinal end into the first support rail.
  • the centering section can slide along corresponding surfaces of the first support rail and/or another component of a luminaire component that comprises the first support rail to ensure alignment, so that during the insertion of the coupling with its first longitudinal end into the first support rail, wherein the insertion takes place by a relative movement along the longitudinal direction, the centering section can slide along a corresponding counter surface of the first support rail or of a first luminaire component that comprises the first support rail.
  • the first luminaire component comprises the first support rail and a first current conducting rail, wherein the first luminaire component forms a counter-centering section, wherein the counter-centering section and the centering section are designed to correspond to one another in such a way that as the first longitudinal end of the coupling is progressively inserted into the first support rail, a play perpendicular to the longitudinal direction is increasingly created by the interlocking of the centering section and the counter-centering section. is reduced.
  • the centering section is particularly preferably delimited on its transverse sides by guide surfaces running obliquely to the longitudinal direction. The guide surfaces preferably run at an angle of at least 30°, in particular at least 50° to the longitudinal direction.
  • the first support rail has a guide receptacle for each of the coupling side walls assigned to the respective coupling side wall, wherein, in order to connect the coupling to the first support rail, the coupling can be inserted into the first support rail from a first longitudinal end of the first support rail by inserting its coupling side walls into the guide receptacle of the support rail.
  • the coupling side walls each have a vertically upper and a vertically lower coupling side wall end, which are connected to one another by a coupling side wall section running vertically between them with a vertical side wall height. In the operating state, the vertically upper and the vertically lower ends of the first coupling side wall rest against the guide receptacle assigned to them.
  • the first longitudinal end section of the first coupling side wall particularly preferably extends vertically over at least 30%, in particular at least 50% of the vertical extension length of the coupling side wall section.
  • the second support rail also preferably has a corresponding guide receptacle for each of the coupling side walls assigned to the respective coupling side wall. Particularly preferably, in the operating state, each of the coupling side walls rests in one of the guide receptacles of the first and second support rails with its vertically upper and vertically lower end, whereby the first and second The support rail can be reliably held in place with respect to one another by means of the coupling.
  • the first longitudinal end section is generally preferably located outside the coupling side wall section.
  • the first longitudinal end section is therefore not responsible for connecting the upper and lower coupling side wall ends but only serves to improve the insertion of the coupling into the support rail.
  • Two different sections of the respective coupling side wall can therefore ensure particularly good insertion and particularly good fixation of the coupling relative to the support rail.
  • the coupling side wall section of the first coupling side wall has a flat wall region, wherein the first longitudinal end section of the first coupling side wall is angled towards this wall region and merges directly into this wall region.
  • the first longitudinal end section and wall region are formed in one piece from a sheet metal, wherein the transition from the first longitudinal end section to the wall region is formed by deformation of the sheet metal.
  • the wall region connects the upper and lower coupling side wall ends continuously.
  • the wall region runs perpendicular to the transverse direction.
  • the coupling side wall section is formed as a flat wall region overall.
  • the first longitudinal end section extends over at least 10%, in particular over at least 20% of the vertical extension length of the flat wall region.
  • the flat wall region runs perpendicular to the transverse direction.
  • the coupling side wall section of the first coupling side wall in particular of each coupling side wall, comprises a spring section which, starting from a rest position of the coupling, can be elastically compressed vertically by a vertical deflection while reducing the side wall height, wherein a stop is provided within the spring section which limits the vertical deflection to an amount of less than 5%, in particular less than 3%, in particular less than 2%, in particular less than 1% of the side wall height provided in the rest position of the coupling.
  • This embodiment is therefore based on the special idea of providing a spring section which is elastically deformable in the vertical direction in the coupling side wall section which connects the coupling side wall ends in the vertical direction and should be designed to be as rigid as possible so that the coupling can be held rigidly in the guide receptacle of the respective support rail and can thus rigidly connect the support rails to one another in the operating state.
  • the spring section can compensate for tolerances and thus prevent excessive compression of a coupling side wall in a guide recess or play between the coupling side wall and the guide recess, without thereby allowing a significant movement of the coupling relative to the support rail when the coupling side wall is accommodated in the guide recess.
  • the wall area explained above preferably ensures the most inelastic connection of the coupling side wall ends.
  • This wall section can, for example, surround a stiffening bead that is provided for additional stiffening of the coupling side wall.
  • the coupling side wall section can, for example, comprise the spring section, for example in that the spring section is formed as a region of the wall region that comprises a recess in the wall region and an adjacent wall region section.
  • the upper and lower coupling side wall ends are offset from one another in the transverse direction by less than 3%, in particular by less than 1% of a maximum transverse distance of the coupling side walls in the transverse direction. This can ensure a high rigidity of the coupling side wall between the upper and lower coupling side wall ends, based on the vertical direction.
  • the spring section extends in the longitudinal direction over less than 10%, in particular less than 5%, in particular less than 3% of a total length of the coupling in the longitudinal direction.
  • the spring section can have sufficient vertical rigidity.
  • the spring section preferably comprises a longitudinally continuous recess in the coupling side wall section, wherein the recess has a vertical height, the amount of which defines the vertical deflection of the spring section.
  • the vertical height of the recess can in particular have an amount of less than 5%, in particular less than 3%, in particular less than 2%, in particular less than 1% of the side wall height provided in the rest position of the coupling.
  • the longitudinal extent of the recess is limited to the longitudinal extent of the spring section.
  • the recess is at such a vertical height of the Coupling side wall is provided which is less than a quarter, in particular less than a fifth, in particular less than a sixth of the side wall height vertically removed from the upper or lower coupling side wall end.
  • the lower and/or the upper coupling side wall end is formed by at least one side wall projection whose extension in the longitudinal direction is less than 5%, in particular less than 3% of the longitudinal extension length of the coupling.
  • the side wall projection is a projection of the coupling side wall in the vertical direction and thus protrudes vertically with respect to regions of the coupling side wall that are adjacent in the longitudinal direction.
  • all of the side wall projections forming the lower coupling side wall end together have an extension in the longitudinal direction of less than 5%, in particular less than 3% of the longitudinal extension length of the coupling.
  • all the side wall projections forming the upper coupling side wall end together have a longitudinal extension of less than 5%, in particular less than 3% of a total length of the coupling in the longitudinal direction.
  • the coupling side wall section has a plurality of spring sections which are spaced apart from one another in the longitudinal direction.
  • a side wall projection is provided within the longitudinal extension of each of these multiple spring sections.
  • At least one of the spring sections of each coupling side wall is spaced from the absolute first longitudinal end of the coupling by less than 15% of the longitudinal extension length of the coupling, with one of the side wall projections preferably extending within the longitudinal extension of the spring section assigned to it.
  • the side wall projection extends exclusively within the longitudinal extension of this spring section.
  • an upper coupling side wall projection closest to the first longitudinal end of the coupling is closer to the absolute first longitudinal end of the coupling than a lower coupling side wall projection closest to the first longitudinal end of the coupling. The inventors have recognized that this makes it particularly advantageous to take into account the static requirements when fixing two support rails by the coupling.
  • the invention further relates to a coupling which is suitable for use as a coupling in a system according to the invention.
  • the coupling according to the invention can thus have features which are apparent from the explanation of embodiments of a system according to the invention.
  • the coupling in itself represents a separate solution to the problem underlying the invention.
  • the coupling has a U-shaped cross section which is formed by a coupling base and two coupling side walls. At least a first of the coupling side walls runs with a first longitudinal end section to the Angled longitudinally towards the other coupling side wall so that the coupling has a transverse width that reduces towards its first longitudinal end.
  • the invention further relates to a luminaire which comprises the first and second support rails and the coupling of a system according to the invention.
  • the support rails and the coupling are in their relative positions to one another which they have in the operating state of the system.
  • the support rails are fixed to one another by the coupling and are arranged directly next to one another with their longitudinal ends facing one another.
  • a mounting body with lighting means is fastened to each of the support rails, which closes the open vertical end of the respective support rail.
  • a first current conducting rail is also arranged in the first support rail and a second current conducting rail is arranged in the second support rail, wherein the lighting means of the mounting bodies which are arranged in the respective support rails are electrically connected to the current conducting rail which is arranged in the respective support rail via a contact device which is arranged in the respective support rail.
  • the invention further relates to a method for connecting a first support rail to a second support rail by means of a coupling.
  • the support rails are designed to accommodate mounting bodies equipped with lighting means and each have a U-shaped cross section which extends in a vertical direction and in a transverse direction and which is open at one vertical end and which is formed by a support rail base and two support rail side walls.
  • the coupling has a U-shaped cross section which is formed by a Coupling base and two coupling side walls. The cross-section of the coupling runs accordingly in the transverse direction and vertical direction.
  • the coupling is arranged with a second longitudinal section in the second support rail and fixed to this and projects with a first longitudinal section beyond the second support rail.
  • the coupling With its first longitudinal section it forms a first longitudinal end of the coupling.
  • the absolute end of the coupling at its first longitudinal end is referred to as the absolute first longitudinal end.
  • the coupling is inserted with its first longitudinal section into the first support rail by moving the second support rail together with the coupling in the longitudinal direction towards the first support rail, wherein at the beginning of the insertion of the coupling a longitudinal end of one of the support rail side walls of the first support rail is guided in sliding contact over a first longitudinal end section of an associated coupling side wall of the coupling, which is angled to the longitudinal direction and runs towards the other of the coupling side walls.
  • the first and second coupling side walls each have such an angled longitudinal end section, wherein the first and second support rail side walls of the first support rail are each guided in sliding contact over the respectively associated first longitudinal end section of the respective coupling side wall during insertion into the sliding contact.
  • first and second support rail side walls of the first support rail are each guided in sliding contact over the respectively associated first longitudinal end section of the respective coupling side wall during insertion into the sliding contact.
  • the system according to the invention can have features in embodiments that are apparent from explanations of the method according to the invention.
  • the method according to the invention and the lamp according to the invention can have features in embodiments that are apparent from the explanations of embodiments of the system according to the invention.
  • the system according to the invention, the lamp according to the invention and the method according to the invention can have features that are apparent from the above explanations of generic systems or lamps or methods.
  • FIG 1 comprehensively the Figures 1a and 1b the coupling 3 of an embodiment of a system according to the invention is shown schematically in two different views.
  • the coupling 3 comprises a coupling base 31, a first coupling side wall 32 and a second coupling side wall 33.
  • Figure 1a a view of the second longitudinal end of the coupling 3 is shown
  • Figure 1b a view of the first longitudinal end of the coupling 3.
  • the coupling 3 has a longitudinal end section 326, 336 on each of its coupling side walls 32, 33, which angled to the longitudinal direction X.
  • the first longitudinal end sections 326, 336 at the first longitudinal end of the coupling 3 together form the absolute first longitudinal end of the coupling 3
  • the second longitudinal end sections 326, 336 at the second longitudinal end of the coupling together form the absolute second longitudinal end of the coupling 3.
  • the coupling base 31 has a centering section 37 at each of its two longitudinal ends, which in the present case is designed as a centering projection.
  • the coupling side walls 32, 33 have lower coupling side wall projections 332 and upper coupling side wall projections 334 as well as recesses 331, 333. Furthermore, stiffening beads 330 are provided in the coupling side walls 32, 33, whereas a flat wall area connects the upper and lower coupling side wall ends of the two coupling side walls 32, 33 to one another, wherein these coupling side wall ends are formed by the coupling side wall projections 332, 334. In addition, a stop 35 is provided on each coupling side wall 32, 33, which is used to limit an insertion depth of the coupling 3 in a support rail 1, as in the Figures 2 and 3 explained below.
  • a scraper spring 38 is formed on each of the coupling side walls 32, 33, which forms scraper noses 381, via which they can be used for fixing and electrical contact as shown in the Figures 2 and 3 explained in more detail can rest against a respective associated support rail side wall.
  • recesses 300 are provided in the coupling base 31 for passing electrical cables through the coupling base 31.
  • a receptacle 360 is formed, which forms an undercut in the respective coupling side wall, so that a special disassembly tool can be brought into engagement with the undercut and thereby the coupling 3 can be removed from a Support rail 1 can be easily removed.
  • a further receptacle 361 is formed in each of the coupling side walls 32, 33, wherein the further receptacles 361 are aligned with one another in the transverse direction Y, so that a disassembly tool, for example a rod-shaped disassembly tool, can be inserted through both further receptacles 361, with which a tensile force can then be easily exerted on the coupling 3 relative to the support rail 1 in order to pull the coupling 3 out of the support rail 1 or to disassemble it from it.
  • a disassembly tool for example a rod-shaped disassembly tool
  • Figure 2c it can be seen that the coupling side walls 32, 33 are each received in guide receptacles formed by the support rail side walls and are pressed vertically against the guide receptacles with their upper and lower coupling side wall ends. Furthermore, Figure 2c It can be seen that the first longitudinal end sections 326, 336 of the coupling side walls 32, 33 are angled to the longitudinal direction X and to the transverse direction Y. Generally, the first longitudinal end sections are angled to both the longitudinal direction X and the transverse direction Y. In Figure 2d is a Figure 2c appropriate Top view of support rail 1 and coupling 3. However, in Figure 2d The scratching springs 38 with their scratching noses 381 are also shown purely schematically.
  • the scratching springs 38 are in Figure 2d shown in their resting position, which they naturally have in the Figure 2d cannot hold the position shown.
  • Figure 2d it is clear that in the rest position the scraper noses 381 extend vertically over the upper coupling side wall projections 334, as in Figure 1a and 1b shown, protrude so that in the operating state, due to a deflection of the respective scratch spring 38, they press with a vertical spring force against the guide receptacles which are formed by the support rail side walls of the support rail 1.
  • a current guide rail 4 of the described embodiment of the system according to the invention is also shown.
  • the current guide rail 4 has channels running in the longitudinal direction X, arranged next to one another, in each of which a conductor wire 5 is arranged, wherein the conductor wires 5 arranged next to one another are insulated from one another by the current guide rail 4.
  • the current guide rail 4 is, as is generally advantageous according to the invention, held pressed on support rail side wall projections which are formed by the support rail side walls. Generally preferred and as is the case in the present exemplary embodiment, the current guide rail 4 is pressed against the support rail base. However, other embodiments are also conceivable in which the current guide rail is held pressed between support rail side wall projections and is spaced from the support rail base.
  • the current guide rail 4 is arranged vertically between the support rail base and the longitudinal sections 326, 336. It extends with a vertical extension length which is less than 30% of its total vertical extension length and/or with less than 20%, in particular less than 10% of its transverse width vertically along the longitudinal end sections 326, 336, which is generally advantageous according to the invention.
  • FIG. 3 a support rail 1, in this case the second support rail of the system, and the coupling 3 of the system are shown, which is inserted with its second longitudinal section into the second support rail 1 and is fixed to it by the scratch springs 38, which are provided on its coupling side walls 32, 33, being pressed against the support rail 1. With its stop 35, the coupling 3 rests on a corresponding stop surface, which is formed by support rail side wall projections of the support rail 1. The coupling 3 protrudes with its first longitudinal section beyond the second support rail 1. Its first longitudinal section forms its first longitudinal end.
  • the absolute first longitudinal end is formed by the first longitudinal end sections 326, 336 of the coupling side walls 32, 33, which run at an angle to the longitudinal direction X and to the other coupling side wall 32, 33. From the overview of the Figures 2 and 3 It can be seen that due to the provision of the first longitudinal end sections 326, 336, the coupling 3 can be introduced particularly easily into a first support rail of the system along the longitudinal direction X, since the first longitudinal end sections 326, 336 allow a sliding insertion into the first support rail, while the coupling side walls with their flat wall areas, which in Figure 2 shown, from the guide recesses which are provided by the support rail side walls are formed, and in doing so come into contact with the guide receptacles of the first support rail with their upper and lower coupling side wall ends and their scratch springs 38.
  • the centering section 37 of the coupling 3 can contribute particularly advantageously to the alignment of the coupling 3 when it is inserted into the first support rail 1.
  • the centering section 37 formed as a projection can slide into a receptacle which is formed by the first support rail itself or by its current conducting rail.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP23201953.9A 2022-10-07 2023-10-05 Bande lumineuse dotée d'un couplage optimisé au montage Pending EP4350212A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022126022.4A DE102022126022A1 (de) 2022-10-07 2022-10-07 Lichtband mit montageoptimierter Kupplung

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EP4350212A1 true EP4350212A1 (fr) 2024-04-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRMU8502105U (pt) * 2005-10-06 2007-06-12 Walter Fabichak disposições introduzidas em perfil para iluminação
CA2668278A1 (fr) * 2009-06-05 2010-12-05 Abl Ip Holding, Llc Luminaire a bande
DE202014106093U1 (de) * 2014-12-17 2016-03-18 Zumtobel Lighting Gmbh Verbindungseinrichtung
CN207975613U (zh) * 2018-02-06 2018-10-16 深圳市思坎普科技有限公司 一种实现无缝拼接的线性灯对接机构
US20190316765A1 (en) * 2018-04-12 2019-10-17 Ting-Mao LIN Interruption-free track light

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRMU8502105U (pt) * 2005-10-06 2007-06-12 Walter Fabichak disposições introduzidas em perfil para iluminação
CA2668278A1 (fr) * 2009-06-05 2010-12-05 Abl Ip Holding, Llc Luminaire a bande
DE202014106093U1 (de) * 2014-12-17 2016-03-18 Zumtobel Lighting Gmbh Verbindungseinrichtung
CN207975613U (zh) * 2018-02-06 2018-10-16 深圳市思坎普科技有限公司 一种实现无缝拼接的线性灯对接机构
US20190316765A1 (en) * 2018-04-12 2019-10-17 Ting-Mao LIN Interruption-free track light

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