EP4042525B1 - Busbar for lamps or electrical units - Google Patents

Busbar for lamps or electrical units Download PDF

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Publication number
EP4042525B1
EP4042525B1 EP20785961.2A EP20785961A EP4042525B1 EP 4042525 B1 EP4042525 B1 EP 4042525B1 EP 20785961 A EP20785961 A EP 20785961A EP 4042525 B1 EP4042525 B1 EP 4042525B1
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EP
European Patent Office
Prior art keywords
mounting rail
contacting
busbar
contact
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20785961.2A
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German (de)
French (fr)
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EP4042525A1 (en
Inventor
Helmut Feurle
Gerald Ladstätter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH
Original Assignee
Zumtobel Lighting GmbH
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Publication date
Application filed by Zumtobel Lighting GmbH filed Critical Zumtobel Lighting GmbH
Publication of EP4042525A1 publication Critical patent/EP4042525A1/en
Application granted granted Critical
Publication of EP4042525B1 publication Critical patent/EP4042525B1/en
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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end

Definitions

  • the present invention relates to a busbar for lights or electrical units and a light line system which has such a busbar.
  • Busbars are characterized in that the wires or lines used for the power supply are accessible or contactable over at least a larger longitudinal section, which opens up the possibility of being able to position consumers to be connected more or less flexibly, at least over this area.
  • consumers for example the luminaires in a light line system - can not only be arranged in fixed positions, but can also be freely positioned at the desired location.
  • a well-known continuous-row system in which such busbars are used is marketed by the applicant under the name "TECTON".
  • a special feature of this light line system is that the lines used for the power supply provide a normal mains supply voltage of e.g. 250 volts and are nevertheless continuously accessible for contacting over the entire length of the light line system. This is achieved, among other things, by arranging the lines in a line receiving structure made of an insulating material, which forms grooves that are open toward a contacting side.
  • the cables can then be contacted by lights connected to the continuous lighting system or other loads, with the grooves and the individual components of the cable receiving structure being designed in such a way that accidental touching of the live cables is prevented or the corresponding safety regulations are observed which is to prevent accidental touching of the lines, must be met.
  • the busbar used in the continuous-row system mentioned above could be implemented in any length.
  • the cable receiving structure consisting of the insulating material or the support rail containing the cable receiving structure, which represents the supporting element of the light line system, is only manufactured and transported up to a certain length.
  • Mounting rails which are equipped with sections of a busbar, made available in standard lengths, in which case the mounting rails and the busbar sections must be connected to one another when installing the light line system on site.
  • One way of connecting these busbar sections to one another is disclosed in the DE 41 41 799 A1 .
  • FIG 6 shows a single electrical connection contact, as it is currently used in the "TECTON" system and, for example, from the EP 1 284 033 B1 is known.
  • This connection contact 100 consists of an elongate contacting plate 101, which is bent on its longitudinal sides and whose function is to take over and forward the electric current of the lines that are routed along the conductor rail.
  • spring contacts 102 are arranged at the ends of the contacting plate 101, which allow the end regions of the wires of two current sections to be connected to be connected to one another to be contacted in a clamping manner.
  • connecting elements 110 are also provided in the transition area between two mounting rails 120 that are to be connected to one another (the front end area of a mounting rail that is to be connected to another identical mounting rail is shown here) of the continuous lighting system, which serve to accommodate the electrical connecting contacts 100.
  • These connecting elements 110 have groove-like recesses 111 corresponding to the grooves of the line receiving structure, the electrical connecting contacts 100 being inserted into the connecting element 110 in such a way that the contacting plates 101 of the connecting contacts 100 are accessible via the groove-shaped recesses 111 .
  • the recesses 111 of the connecting element 110 thus continue the grooves of the line receiving structure and the contacting plate 101 bridges the lines of the conductor rail sections to be connected to one another.
  • the present invention is now based on the object of further improving the contacting options of a continuous-row system based on the above-described solution known from the prior art.
  • electrical connecting contacts are provided in the connecting area of two consecutive busbar sections, to which the front ends of two lines to be connected are connected and which form a contacting surface accessible from the contacting side of the busbar. According to the present invention, however, the electrical connecting contacts are developed in such a way that there is a further contacting possibility on a rear side opposite the contacting surface.
  • a busbar for lights or electrical units which has a plurality of busbar sections that can be connected to one another, each of which has a plurality of lines running in the longitudinal direction for power supply and/or signal transmission, which are made of an insulating material in grooves that are open toward a contacting side existing cable receiving structure are arranged.
  • Electrical connecting contacts are provided in the connecting area of two consecutive busbar sections, to which the front ends of two lines to be connected are connected and which form a contacting surface that is accessible on the contacting side, with several of the electrical connecting contacts being arranged in a connecting element which corresponds to the grooves of the Line receiving structure for the lines has corresponding groove-like recesses through which the contacting surfaces of the electrical connection contacts are accessible.
  • the electrical connecting contacts have an additional one on a rear side opposite the contacting surface Contacting surface or a contact, in particular a clamp or spring contact, the connecting element having openings on its rear side opposite the recesses, via which the further contacting surface or the contact is accessible in each case.
  • the electrical connection contact according to the invention now offers another contacting option which is accessible from the opposite side or the back of the connection contact.
  • the contacting possibilities of the busbar or a light line system using the busbar are significantly increased, since there is now also the possibility of contacting the conductors of the busbar from the rear in the transition area between two consecutive busbar sections.
  • this can be used, for example, to simply and elegantly feed in at this point and connect the conductor rail lines to the general power supply.
  • the additional contacting options could also be used to connect additional consumers or units and to supply them with power, even if they are located, for example, outside of a support structure of the light line system.
  • Another bonding pad is formed.
  • Corresponding connections or consumers are then to be designed in this case in such a way that they come into contact with the corresponding contacting surface in order to achieve a connection to the lines of the conductor rail.
  • An additional contact in particular a clamp or spring contact, is formed on the back.
  • the further contacting surface or the contact can be an integral part of the connecting contact.
  • an additional contacting element to be used, which is arranged on the connection contact and then forms the further contacting surface or the contact.
  • the connecting contact preferably has an elongated contacting plate, which forms the actual contacting surface and at the ends of which clamping or spring contacts are arranged for clamping the lines of the busbar sections to be connected to the electrical connecting contact.
  • a mounting rail for the power supply of lights or electrical units which has a mounting rail profile and at least one busbar held by the mounting rail profile according to one of the preceding claims.
  • the support rail profile has at least one wall on which the busbar sections are arranged, the wall having openings or areas that can be opened, which allow access to the additional contacting elements of the electrical connection contacts. That is, the support rail profile is designed in such a way that access to the additional contacting options of the electrical connecting contacts according to the invention can be obtained, if this is desired. If, on the other hand, these additional contacting options are not to be used, the wall of the mounting rail preferably continues to cover the corresponding areas of the contacting elements, so that they cannot be accidentally touched. In this case, the areas to be opened are preferably formed by punchings or otherwise formed incisions, which form tabs that can be bent out or areas that can be broken out in the wall of the mounting rail profile.
  • the mounting rail profile itself can, for example, be U-shaped or H-shaped with two side walls, on the inside of which a corresponding conductor rail is then arranged.
  • the mounting rail profile consists of a plurality of mounting rail elements arranged one behind the other, with the electrical connecting contacts according to the invention being arranged in the transition region of two consecutive mounting rail elements.
  • connection contact according to the invention design of the electrical connection contact according to the invention and of a connection element containing a plurality of corresponding connection contacts will first be described below. It is then explained to what extent the electrical connection contacts according to the invention can be used advantageously in a busbar or in a light line system with a corresponding busbar.
  • the electrical connection contact shown corresponds to the already known connection contact, as shown in figure 6 shown is very similar.
  • the connecting contact according to the invention also consists of an elongated contacting plate 2 that is slightly bent downwards on its long sides, the task of which is to take over and forward the electric current from the wires or lines of the busbar sections.
  • At the ends of the contacting plate 2 is a preferably made of a chromium-nickel alloy existing spring contact element 3 is arranged, which has an inwardly bent spring tongue 4, through which a wire inserted into the connecting contact 1 is clamped and pressed sufficiently firmly against the contacting plate 2 with regard to the electrical contact resistances.
  • the clamping force of the spring contacts 3 is also preferably large enough that the wires are fixed sufficiently strong and cannot shift or migrate when the thermal expansion of the busbar changes.
  • the side of the contacting plate 2, which is preferably made of tinned copper, and which is remote from the wires then forms the primary contacting surface 5 for consumers to be connected.
  • the contacting plate 2 also has a slightly curved or triangular indentation 6 on its underside, so that a larger contact surface is created for the wires to be connected.
  • the structure of the electrical connecting contact 1 described so far corresponds to the structure as is also known from the prior art. What is new, however, according to the invention is that a further contacting element 8 is arranged approximately in the middle region of the contacting plate 2, which offers a further contacting possibility.
  • the contacting element 8 is shown as a U-shaped clamp, which is placed with its two side walls 10 on the contacting plate 2 and fastened here accordingly.
  • the fastening of the additional contacting element 8 takes place primarily by appropriate clamping onto the contacting plate 2, although additional measures such as soldering, gluing or the like can be provided in order to optimize the connection. What is essential is that there is an electrically conductive connection and accordingly the contacting element 8 is conductively connected to the other areas of the connecting contact 1 .
  • the additional contacting element 8 now provides a further contacting surface 9 on the rear side of the electrical connecting contact 1 opposite the contacting surface 5 of the contacting plate 2 .
  • this is only designed as a flat contact surface, which enables contact to be made by touching the surface accordingly.
  • provision could also be made for additional measures to be provided in a further development in order to enable improved contacting.
  • the contacting element 8 as a one-piece component of the connecting contact 1 or, for example, to design the contacting plate 2 in such a way that it directly forms the additional contacting surface 9 or the additional contact.
  • figure 2 shows schematically the contacting options resulting from the connection contact according to the invention.
  • the flat side of the contacting plate 2 forms the primary contacting surface 5, which bridges the wires 50 and thus ensures that contacting by a consumer is also possible in the transition area of the busbar sections to be connected to one another.
  • This is shown schematically by a single contact 55, which is arranged on a consumer, not shown in detail, and is designed in such a way that it can touch the surface of the contacting plate 2 for contacting.
  • This direction of contacting is identical to the contacting of the lines or wires 50, which ultimately leads to a continuous connection option being created over the entire length of the system with the aid of the connecting contact 1.
  • connection contact 1 now enables a further contact possibility, namely from the rear side of the connection contact 1 opposite the consumer.
  • a further contact 60 is also shown schematically here, which can come into contact with the contacting surface 9 of the additional contacting element 8 and in this Case is then in turn electrically conductively connected to the wires 50 of the busbar.
  • the use of the electrical connection contacts 1 according to the invention is preferably provided in a system as described in figure 5 is shown schematically and corresponds to the solution known from the prior art.
  • the support rail 30 shown here in section thus has a U-shaped configuration which is open towards the underside and encloses a receiving space with the two side walls 31 and the upper side 32 .
  • Busbars 33 with insulating line holding structures 35 are formed on both side walls 31 of this receiving space, each of which forms longitudinally extending grooves 36 in which the lines or wires 50 of the busbars 33 are mounted.
  • a corresponding system is provided in a modular manner, i.e. support rails 30 are provided with a standard length, which are then already fitted with the corresponding wire holding structure 35 and the lines 50 arranged therein.
  • the individual support rails 30 are then arranged one behind the other and mechanically connected to one another, with the lines 50 of the busbar sections also having to be connected to one another at the transition areas, which is done with the aid of the electrical connecting contacts 1 according to the invention.
  • connecting elements 1 are combined in a larger connecting element 20, as shown in figure 3 is shown.
  • This connecting element 20 consists of an insulating material and forms an approximately cuboid insulating housing 21 which serves to accommodate a plurality of electrical connecting contacts 1 .
  • the connecting element 20 has recesses 22 running parallel in the longitudinal direction, which correspond to the grooves or channels 36 of the line receiving structure 35 and which open into insertion openings 23 on the end faces, which enable the insertion of the lines 50 to be connected.
  • the connection contacts 1 according to the invention are used here in corresponding recordings, so that their contacting surfaces 5 via the Recesses 22 are accessible from the top.
  • the contacting surfaces 5 of the connecting contacts 1 continue the lines 50 of the busbar sections, so that here as well as with the aid of FIG figure 2 already explained, there is a continuous contacting option for the contacts 55 of consumers to be connected to the system.
  • the rear side is then closed off by a rear wall 25 which can be attached in a detachable manner.
  • connecting contacts 1 since the connecting contacts 1 according to the invention now also offer the further contacting option pointing to the back, corresponding openings 26 are formed in the rear wall 25 of the connecting element 20, in contrast to previously known solutions, through which the contacting surfaces 9 of the connecting contacts 1 are accessible.
  • the webs 27 provided between these openings 26 are used, on the one hand, for better positioning of the connecting contacts 1 in the connecting element 20, and on the other hand, they ensure a clear separation of the contacting surfaces 9 arranged next to one another on the back, so that individual contacting of individual surfaces and thus individual lines of the busbar system 33 is also possible possible from the rear.
  • the outer walls of the support rail profiles 30 of the support rails are then designed in the area of the connecting elements 20 in such a way that - as in figure 4 recognizable - the backs of the connecting elements 20 and thus the contacting surfaces 9 of the connecting contacts 1 are actually accessible. Provision can be made for this to be the case, in principle, at every transition region between two support rail profiles 30 arranged one behind the other, which can be achieved in that the respective adjacent support rail profiles 30 have cutouts 40 here, through which an approximately rectangular opening 41 is formed overall which the backs of the connecting elements 20 are accessible from the outside. As an alternative to this, however, provision can also be made for access to the back of a connecting element 20 only to take place if this is actually desired. In this case, tabs that can be broken out or bent out would be provided, for example, on the walls of the support rail profiles 30, through which the backs of the connecting elements 20 can be exposed if a contacting possibility is to be created here.
  • connecting elements 20 take place at the transition between two support rail sections 30 to be connected to one another, as is shown in figure 4 is shown. In principle, however, it would also be conceivable to also position the connecting elements 20 designed according to the invention with the connecting contacts 1 that can be contacted on the back in the middle of a corresponding mounting rail.
  • the individual busbar sections do not necessarily have to be designed and arranged as described above and as known from the prior art.
  • the wire support structures are formed from several interconnected individual wire support elements, which are produced by injection molding and are designed in such a way that they allow relative displacement to one another, while still enclosing the lines in a protected manner. Even if this represents the ideal case for the realization of a conductor rail for the present invention, the corresponding line receiving structures could also be designed to be less complex and, for example, be produced by extrusion if they nevertheless have corresponding grooves in which the lines are received.
  • busbar 33 as in figure 5 shown to be arranged on the side walls of a U-shaped mounting rail.
  • a corresponding conductor rail could be positioned on the underside of the upper wall 32, which uses connecting contacts.
  • an additional pick-off or feeding directly from the top of the mounting rail 30 would be possible, whereby this could be used, for example, to supply lighting units positioned on the top of the mounting rail and used for indirect lighting with power.
  • connection to data lines used for communication would also be conceivable, whereby in particular the connection of sensors, cameras or similar components would be conceivable, which themselves transmit data via the lines of the light line system, which are then used, for example, for the automated control of the system.
  • the invention leads to particular advantages, since such components are usually arranged on the outside of a light line system anyway. In this sense, the present invention can be used to advantageously connect all conceivable electrical units to a busbar.
  • the solution according to the invention allows the advantages of a busbar known in the prior art to be used to their full extent, although additional contacting options are created, through which the possible uses are further expanded.

Description

Die vorliegende Erfindung betrifft eine Stromschiene für Leuchten oder elektrische Einheiten sowie ein Lichtbandsystem, welches eine derartige Stromschiene aufweist.The present invention relates to a busbar for lights or electrical units and a light line system which has such a busbar.

Stromschienen zeichnen sich dadurch aus, dass die zur Stromversorgung genutzten Drähte bzw. Leitungen über einen zumindest größeren länglichen Abschnitt hinweg zugänglich bzw. kontaktierbar sind, was die Möglichkeit eröffnet, anzuschließende Verbraucher zumindest über diesen Bereich hinweg mehr oder weniger flexibel positionieren zu können. Somit können die Verbraucher - also beispielsweise die Leuchten eines Lichtbandsystems - nicht nur an fest vorgegebenen Positionen angeordnet, sondern frei an gewünschter Stelle positioniert werden.Busbars are characterized in that the wires or lines used for the power supply are accessible or contactable over at least a larger longitudinal section, which opens up the possibility of being able to position consumers to be connected more or less flexibly, at least over this area. This means that consumers - for example the luminaires in a light line system - can not only be arranged in fixed positions, but can also be freely positioned at the desired location.

Ein bekanntes Lichtbandsystem, bei dem derartige Stromschienen zum Einsatz kommen, wird von der Anmelderin unter der Bezeichnung "TECTON" vertrieben. Dabei besteht eine Besonderheit dieses Lichtbandsystems darin, dass die zur Stromversorgung genutzten Leitungen eine normale Netzversorgungsspannung von z.B. 250 Volt zur Verfügung stellen und dennoch ununterbrochen über die gesamte Länge des Lichtbandsystems hinweg für eine Kontaktierung zugänglich sind. Erreicht wird dies u.a. dadurch, dass die Leitungen in einer aus einem isolierenden Material bestehenden Leitungsaufnahmestruktur angeordnet sind, die zu einer Kontaktierungsseite hin offene Nuten bildet. Von dieser Seite aus können dann die Leitungen durch an das Lichtbandsystem angeschlossene Leuchten oder andere Verbraucher kontaktiert werden, wobei die Nuten sowie die einzelnen Komponenten der Leitungsaufnahmestruktur allerdings derart gestaltet sind, dass ein versehentliches Berühren der stromführenden Leitungen verhindert wird bzw. die entsprechenden Sicherheitsvorschriften, durch die ein versehentliches Berühren der Leitungen verhindert werden soll, erfüllt werden.A well-known continuous-row system in which such busbars are used is marketed by the applicant under the name "TECTON". A special feature of this light line system is that the lines used for the power supply provide a normal mains supply voltage of e.g. 250 volts and are nevertheless continuously accessible for contacting over the entire length of the light line system. This is achieved, among other things, by arranging the lines in a line receiving structure made of an insulating material, which forms grooves that are open toward a contacting side. From this side, the cables can then be contacted by lights connected to the continuous lighting system or other loads, with the grooves and the individual components of the cable receiving structure being designed in such a way that accidental touching of the live cables is prevented or the corresponding safety regulations are observed which is to prevent accidental touching of the lines, must be met.

Grundsätzlich könnte die in dem oben genannten Lichtbandsystem genutzte Stromschiene in einer beliebigen Länge realisiert werden. Aus herstellungstechnischen Gründen wird allerdings die aus dem isolierenden Material bestehende Leitungsaufnahmestruktur bzw. die die Leitungsaufnahmestruktur beinhaltende Tragschiene, die das tragende Element des Lichtbandsystems darstellt, nur bis zu einer gewissen Länge hergestellt und transportiert. Dementsprechend werden bei dem aus dem Stand der Technik bekannten System entsprechende Tragschienen, die mit Abschnitten einer Stromschiene bestückt sind, in Standardlängen zur Verfügung gestellt, wobei dann die Tragschienen sowie die Stromschienenabschnitte bei Installation des Lichtbandsystems vor Ort miteinander verbunden werden müssen. Eine Möglichkeit, diese Stromschienenabschnitte miteinander zu verbinden, offenbart die DE 41 41 799 A1 .In principle, the busbar used in the continuous-row system mentioned above could be implemented in any length. For manufacturing reasons, however, the cable receiving structure consisting of the insulating material or the support rail containing the cable receiving structure, which represents the supporting element of the light line system, is only manufactured and transported up to a certain length. Accordingly, corresponding in the system known from the prior art Mounting rails, which are equipped with sections of a busbar, made available in standard lengths, in which case the mounting rails and the busbar sections must be connected to one another when installing the light line system on site. One way of connecting these busbar sections to one another is disclosed in the DE 41 41 799 A1 .

Eine weitere Besonderheit des angesprochenen Lichtbandsystems "TECTON" besteht dabei darin, dass auch im Verbindungsbereich zweier aufeinanderfolgender Tragschienen bzw. Stromschienenabschnitte die Möglichkeit besteht, Leuchten oder andere Verbraucher zu positionieren und eine Kontaktierung vorzunehmen. Ermöglicht wird dies durch die Nutzung spezieller elektrischer Verbindungskontakte, wie sie in Figur 6 dargestellt sind.Another special feature of the "TECTON" trunking system mentioned is that it is also possible to position lights or other loads and make contact in the connection area between two consecutive trunking rails or busbar sections. This is made possible by using special electrical connection contacts, as shown in figure 6 are shown.

Figur 6 zeigt hierbei einen einzelnen elektrischen Verbindungskontakt, wie er derzeit bei dem System "TECTON" zum Einsatz kommt und bspw. aus der EP 1 284 033 B1 bekannt ist. Dieser Verbindungskontakt 100 besteht aus einer länglichen und an ihren Längsseiten gebogenen Kontaktierungsplatte 101, deren Funktion darin besteht, den elektrischen Strom der Leitungen, die entlang der Stromschiene geführt sind, zu übernehmen und weiterzuleiten. An den Enden der Kontaktierungsplatte 101 sind hierzu jeweils Federkontakte 102 angeordnet, welche das klemmende Kontaktieren der Endbereiche der Drähte zweier miteinander zu verbindender Stromabschnitte ermöglichen. figure 6 shows a single electrical connection contact, as it is currently used in the "TECTON" system and, for example, from the EP 1 284 033 B1 is known. This connection contact 100 consists of an elongate contacting plate 101, which is bent on its longitudinal sides and whose function is to take over and forward the electric current of the lines that are routed along the conductor rail. For this purpose, spring contacts 102 are arranged at the ends of the contacting plate 101, which allow the end regions of the wires of two current sections to be connected to be connected to one another to be contacted in a clamping manner.

Wie Figur 7 zeigt, sind ferner im Übergangsbereich zweier miteinander zu verbindender Tragschienen 120 (gezeigt ist hier der stirnseitige Endbereich einer Tragschiene, die mit einer weiteren baugleichen Tragschiene zu verbinden ist) des Lichtbandsystems Verbindungselemente 110 vorgesehen, welche der Aufnahme der elektrischen Verbindungskontakte 100 dienen. Diese Verbindungselemente 110 weisen den Nuten der Leitungsaufnahmestruktur entsprechende rillenartige Ausnehmungen 111 auf, wobei die elektrischen Verbindungskontakte 100 derart in das Verbindungselement 110 eingesetzt sind, dass über die rillenförmigen Ausnehmungen 111 die Kontaktierungsplatten 101 der Verbindungskontakte 100 zugänglich sind. Die Ausnehmungen 111 des Verbindungselements 110 führen also die Nuten der Leitungsaufnahmestruktur fort und die Kontaktierungsplatte 101 überbrückt die Leitungen der miteinander zu verbindenden Stromschienenabschnitte. Letztendlich führt dies dazu, dass auch in dem Verbindungsbereich jederzeit eine Kontaktmöglichkeit für anzuschließende Leuchten oder Verbraucher existiert, sodass bei dem bekannten Lichtbandsystem tatsächlich über die gesamte Länge hinweg ununterbrochen die Möglichkeit der Kontaktierung besteht. Hierdurch wird eine im Vergleich zu anderen bekannten Systemen überragende Flexibilität hinsichtlich der Möglichkeit der Anordnung von Leuchten oder anderen elektrischen Einheiten erreicht.How figure 7 shows, connecting elements 110 are also provided in the transition area between two mounting rails 120 that are to be connected to one another (the front end area of a mounting rail that is to be connected to another identical mounting rail is shown here) of the continuous lighting system, which serve to accommodate the electrical connecting contacts 100. These connecting elements 110 have groove-like recesses 111 corresponding to the grooves of the line receiving structure, the electrical connecting contacts 100 being inserted into the connecting element 110 in such a way that the contacting plates 101 of the connecting contacts 100 are accessible via the groove-shaped recesses 111 . The recesses 111 of the connecting element 110 thus continue the grooves of the line receiving structure and the contacting plate 101 bridges the lines of the conductor rail sections to be connected to one another. Ultimately, this means that there is always a contact option for lights or consumers to be connected in the connection area, so that in the known light line system there is actually over the entire length there is an uninterrupted possibility of contact. In comparison to other known systems, this achieves outstanding flexibility with regard to the possibility of arranging lights or other electrical units.

Der vorliegenden Erfindung liegt nunmehr die Aufgabenstellung zugrunde, ausgehend von der oben beschriebenen, aus dem Stand der Technik bekannten Lösung die Kontaktierungsmöglichkeiten eines Lichtbandsystems weiter zu verbessern.The present invention is now based on the object of further improving the contacting options of a continuous-row system based on the above-described solution known from the prior art.

Die Aufgabe wird durch eine Stromschiene für Leuchten oder elektrische Einheiten gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.The object is achieved by a busbar for lights or electrical units according to claim 1. Advantageous developments of the invention are the subject matter of the dependent claims.

Auch gemäß der vorliegenden Erfindung ist vorgesehen, im Verbindungsbereich zweier aufeinanderfolgender Stromschienenabschnitte elektrische Verbindungskontakte vorzusehen, an welche jeweils die stirnseitigen Enden zweier miteinander zu verbindender Leitungen angeschlossen sind und welche eine von der Kontaktierungsseite der Stromschiene her zugängliche Kontaktierungsfläche bilden. Gemäß der vorliegenden Erfindung werden die elektrischen Verbindungskontakte allerdings derart weitergebildet, dass an einer der Kontaktierungsfläche gegenüberliegenden Rückseite eine weitere Kontaktierungsmöglichkeit besteht.According to the present invention, electrical connecting contacts are provided in the connecting area of two consecutive busbar sections, to which the front ends of two lines to be connected are connected and which form a contacting surface accessible from the contacting side of the busbar. According to the present invention, however, the electrical connecting contacts are developed in such a way that there is a further contacting possibility on a rear side opposite the contacting surface.

Gemäß der vorliegenden Erfindung wird also eine Stromschiene für Leuchten oder elektrische Einheiten vorgeschlagen, welche mehrere miteinander verbindbare Stromschienenabschnitte aufweist, welche jeweils mehrere in Längsrichtung verlaufende Leitungen zur Stromversorgung und/oder Signalübertragung aufweisen, die in zu einer Kontaktierungsseite hin offenen Nuten einer aus einem isolierenden Material bestehenden Leitungsaufnahmestruktur angeordnet sind. Im Verbindungsbereich zweier aufeinanderfolgender Stromschienenabschnitte sind dabei elektrische Verbindungskontakte vorgesehen, an welche jeweils die stirnseitigen Enden zweier miteinander zu verbindenden Leitungen angeschlossen sind und welche eine zu der Kontaktierungsseite hin zugängliche Kontaktierungsfläche bilden, wobei mehrere der elektrischen Verbindungskontakte in einem Verbindungselement angeordnet sind, welches den Nuten der Leitungsaufnahmestruktur für die Leitungen entsprechende rillenartige Ausnehmungen aufweist, über welche die Kontaktierungsflächen der elektrischen Verbindungskontakte zugänglich sind. Erfindungsgemäß weisen dabei die elektrischen Verbindungskontakte an einer der Kontaktierungsfläche gegenüberliegenden Rückseite eine weitere Kontaktierungsfläche oder einen Kontakt, insbesondere einen Klemm- oder Federkontakt auf, wobei das Verbindungselement an seiner den Ausnehmungen gegenüberliegenden Rückseite Öffnungen aufweist, über welche die weitere Kontaktierungsfläche oder der Kontakt jeweils zugänglich ist.According to the present invention, a busbar for lights or electrical units is proposed, which has a plurality of busbar sections that can be connected to one another, each of which has a plurality of lines running in the longitudinal direction for power supply and/or signal transmission, which are made of an insulating material in grooves that are open toward a contacting side existing cable receiving structure are arranged. Electrical connecting contacts are provided in the connecting area of two consecutive busbar sections, to which the front ends of two lines to be connected are connected and which form a contacting surface that is accessible on the contacting side, with several of the electrical connecting contacts being arranged in a connecting element which corresponds to the grooves of the Line receiving structure for the lines has corresponding groove-like recesses through which the contacting surfaces of the electrical connection contacts are accessible. According to the invention, the electrical connecting contacts have an additional one on a rear side opposite the contacting surface Contacting surface or a contact, in particular a clamp or spring contact, the connecting element having openings on its rear side opposite the recesses, via which the further contacting surface or the contact is accessible in each case.

Zusätzlich zu der für die Leuchten bzw. elektrischen Einheiten vorgesehenen Kontaktierungsfläche bietet also der erfindungsgemäße elektrische Verbindungskontakt nunmehr eine weitere Kontaktierungsmöglichkeit, welche von der gegenüberliegenden Seite bzw. der Rückseite des Verbindungskontakts her zugänglich ist. Hierdurch werden die Kontaktierungsmöglichkeiten der Stromschiene bzw. eines die Stromschiene nutzenden Lichtbandsystems deutlich vergrößert, da nunmehr im Übergangsbereich zweier aufeinanderfolgender Stromschienenabschnitte zusätzlich auch von der Rückseite her die Möglichkeit besteht, die Leitungen der Stromschiene zu kontaktieren. Zum einen kann dies bspw. dazu genutzt werden, in einfacher und eleganter Weise an dieser Stelle eine Einspeisung vorzunehmen und die Leitungen der Stromschiene an die allgemeine Stromversorgung anzuschließen. Zum anderen könnten die zusätzlichen Kontaktierungsmöglichkeiten allerdings auch dazu genutzt werden, weitere Verbraucher oder Einheiten anzuschließen und mit Strom zu versorgen, auch wenn diese sich bspw. außerhalb einer Tragstruktur des Lichtbandsystems befinden. Hierdurch wird insbesondere die Möglichkeit eröffnet, neuartige weitere Einheiten an der Außenseite des Lichtbandsystems zu positionieren und trotz allem mit einem nur geringen Aufwand an die Leitungen der Stromschiene anzuschließen. Dennoch bleibt nach wie vor der Vorteil erhalten, dass das System eine freie und flexible Kontaktierung der Leitungen über die gesamte Länge hinweg erlaubt.In addition to the contacting surface provided for the lights or electrical units, the electrical connection contact according to the invention now offers another contacting option which is accessible from the opposite side or the back of the connection contact. As a result, the contacting possibilities of the busbar or a light line system using the busbar are significantly increased, since there is now also the possibility of contacting the conductors of the busbar from the rear in the transition area between two consecutive busbar sections. On the one hand, this can be used, for example, to simply and elegantly feed in at this point and connect the conductor rail lines to the general power supply. On the other hand, however, the additional contacting options could also be used to connect additional consumers or units and to supply them with power, even if they are located, for example, outside of a support structure of the light line system. In particular, this opens up the possibility of positioning new types of additional units on the outside of the light line system and, despite everything, connecting them to the conductor rail lines with little effort. Nevertheless, the advantage remains that the system allows free and flexible contacting of the cables over the entire length.

Eine weitere Kontakteirungsfläche wird gebildet.Another bonding pad is formed.

Entsprechende Anschlüsse oder Verbraucher sind in diesem Fall dann derart auszuführen, dass sie in Anlage gegen die entsprechende Kontaktierungsfläche gelangen, um eine Verbindung zu den Leitungen der Stromschiene zu erzielen. Rückseitig wird ein zusätzlicher Kontakt, insbesondere einen Klemm- oder Federkontakt gebildet.Corresponding connections or consumers are then to be designed in this case in such a way that they come into contact with the corresponding contacting surface in order to achieve a connection to the lines of the conductor rail. An additional contact, in particular a clamp or spring contact, is formed on the back.

Dabei können die weitere Kontaktierungsfläche bzw. der Kontakt einstückiger Bestandteil des Verbindungskontakts sein. Denkbar wäre allerdings auch, dass ein zusätzliches Kontaktierungselement verwendet wird, welches an dem Verbindungskontakt angeordnet wird und dann die weitere Kontaktierungsfläche oder den Kontakt bildet.In this case, the further contacting surface or the contact can be an integral part of the connecting contact. However, it would also be conceivable for an additional contacting element to be used, which is arranged on the connection contact and then forms the further contacting surface or the contact.

Der grundsätzlich Aufbau des erfindungsgemäßen elektrischen Verbindungskontakts entspricht hierbei dem bereits anhand der Figuren 6 und 7 erläuterten Aufbau. D.h., der Verbindungskontakt weist vorzugsweise jeweils eine längliche Kontaktierungsplatte auf, welche die eigentliche Kontaktierungsfläche bildet und an deren Enden jeweils Klemm- oder Federkontakte zum Verklemmen der an den elektrischen Verbindungskontakt anzuschließenden Leitungen der Stromschienenabschnitte angeordnet sind.The basic structure of the electrical connection contact according to the invention corresponds to that already based on FIG Figures 6 and 7 explained structure. That is, the connecting contact preferably has an elongated contacting plate, which forms the actual contacting surface and at the ends of which clamping or spring contacts are arranged for clamping the lines of the busbar sections to be connected to the electrical connecting contact.

Erfindungsgemäß wird ferner eine Tragschiene zur Stromversorgung von Leuchten oder elektrischen Einheiten vorgeschlagen, welche ein Tragschienenprofil sowie mindestens eine von dem Tragschienenprofil gehaltene Stromschiene nach einem der vorherigen Ansprüche aufweist.According to the invention, a mounting rail for the power supply of lights or electrical units is also proposed, which has a mounting rail profile and at least one busbar held by the mounting rail profile according to one of the preceding claims.

Vorzugsweise ist dabei vorgesehen, dass das Tragschienenprofil zumindest eine Wand aufweist, an der die Stromschienenabschnitte angeordnet sind, wobei die Wand Öffnungen oder zu öffnende Bereiche aufweist, welche einen Zugang zu den zusätzlichen Kontaktierungselementen der elektrischen Verbindungskontakte ermöglichen. D.h., das Tragschienenprofil ist derart ausgestaltet, dass ein Zugang zu den zusätzlichen Kontaktierungsmöglichkeiten der erfindungsgemäßen elektrischen Verbindungskontakte erhalten werden kann, sofern dies gewünscht ist. Für den Fall hingegen, dass diese zusätzlichen Kontaktierungsmöglichkeiten nicht genutzt werden sollen, überdeckt die Wand der Tragschiene vorzugsweise weiterhin die entsprechenden Bereiche der Kontaktierungselemente, sodass diese nicht versehentlich berührt werden können. Vorzugsweise sind hierbei die zu öffnenden Bereiche durch Stanzungen oder anders gebildete Einschnitte gebildet, welche ausbiegbare Laschen oder ausbrechbare Bereiche in der Wand des Tragschienenprofils bilden.It is preferably provided that the support rail profile has at least one wall on which the busbar sections are arranged, the wall having openings or areas that can be opened, which allow access to the additional contacting elements of the electrical connection contacts. That is, the support rail profile is designed in such a way that access to the additional contacting options of the electrical connecting contacts according to the invention can be obtained, if this is desired. If, on the other hand, these additional contacting options are not to be used, the wall of the mounting rail preferably continues to cover the corresponding areas of the contacting elements, so that they cannot be accidentally touched. In this case, the areas to be opened are preferably formed by punchings or otherwise formed incisions, which form tabs that can be bent out or areas that can be broken out in the wall of the mounting rail profile.

Das Tragschienenprofil selbst kann bspw. U- oder H-förmig mit zwei Seitenwänden ausgebildet sein, an deren Innenseiten dann jeweils eine entsprechende Stromschiene angeordnet ist. Insbesondere ist hierbei vorgesehen, dass das Tragschienenprofil aus mehreren hintereinander angeordneten Tragschienenelementen besteht, wobei die erfindungsgemäßen elektrischen Verbindungskontakte im Übergangsbereich zweier aufeinanderfolgender Tragschienenelemente angeordnet sind.The mounting rail profile itself can, for example, be U-shaped or H-shaped with two side walls, on the inside of which a corresponding conductor rail is then arranged. In particular, it is provided here that the mounting rail profile consists of a plurality of mounting rail elements arranged one behind the other, with the electrical connecting contacts according to the invention being arranged in the transition region of two consecutive mounting rail elements.

Nachfolgend soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:

Figur 1
die Ansicht eines Ausführungsbeispiels eines erfindungsgemäßen elektrischen Verbindungskontakts;
Figur 2
schematisch die Möglichkeiten zum Kontaktieren des erfindungsgemäßen Verbindungskontakts von Figur 1;
Figur 3
ein Verbindungselement, welches zur Aufnahme mehrerer elektrischer Verbindungskontakte gemäß der vorliegenden Erfindung vorgesehen ist;
Figur 4
ein Tragschienenprofil, welches die Möglichkeit eröffnet, die zusätzlichen Kontaktierungsmöglichkeiten der erfindungsgemäßen elektrischen Verbindungskontakte zu nutzen;
Figur 5
eine Schnittdarstellung einer Tragschiene zur Stromversorgung von Leuchten oder anderen elektrischen Einheiten;
Figur 6
einen aus dem Stand der Technik bekannten elektrischen Verbindungskontakt und
Figur 7
eine aus dem Stand der Technik bekannte Vorgehensweise zum Verbinden zweier aufeinanderfolgender Stromschienenabschnitte.
The invention will be explained in more detail below with reference to the attached drawing. Show it:
figure 1
the view of an embodiment of an electrical connection contact according to the invention;
figure 2
schematically the possibilities for contacting the connection contact according to the invention from figure 1 ;
figure 3
a connector adapted to receive a plurality of electrical connection contacts according to the present invention;
figure 4
a mounting rail profile, which opens up the possibility of using the additional contacting options of the electrical connecting contacts according to the invention;
figure 5
a sectional view of a mounting rail for powering lights or other electrical units;
figure 6
an electrical connection contact known from the prior art and
figure 7
a procedure known from the prior art for connecting two consecutive busbar sections.

Im Folgenden soll zunächst die Ausgestaltung des erfindungsgemäßen elektrischen Verbindungskontakts sowie eines mehrere entsprechende Verbindungskontakte enthaltenden Verbindungselements beschrieben werden. Anschließend wird erläutert, inwiefern die erfindungsgemäßen elektrischen Verbindungskontakte in vorteilhafter Weise in einer Stromschiene bzw. in einem Lichtbandsystem mit einer entsprechenden Stromschiene genutzt werden können.The design of the electrical connection contact according to the invention and of a connection element containing a plurality of corresponding connection contacts will first be described below. It is then explained to what extent the electrical connection contacts according to the invention can be used advantageously in a busbar or in a light line system with a corresponding busbar.

Hinsichtlich seines grundsätzlichen Aufbaus ist der in Figur 1 gezeigte, mit dem Bezugszeichen 1 versehene elektrische Verbindungskontakt dem bereits bekannten Verbindungskontakt, wie er in Figur 6 gezeigt ist, sehr ähnlich. Auch der erfindungsgemäße Verbindungskontakt besteht also zunächst aus einer länglichen und an ihren Längsseiten ein wenig nach unten gebogenen Kontaktierungsplatte 2, deren Aufgabe es ist, den elektrischen Strom von den Drähten bzw. Leitungen der Stromschienenabschnitte zu übernehmen und weiterzuleiten. An den Enden der Kontaktierungsplatte 2 ist jeweils ein vorzugsweise aus einer Chrom-Nickel-Legierung bestehendes Feder-Kontaktelement 3 angeordnet, welches eine nach innen gebogene Federzunge 4 aufweist, durch welche ein in den Verbindungskontakt 1 eingeführter Draht verklemmt und ausreichend fest im Hinblick auf die elektrischen Übergangswiderstände gegen die Kontaktierungsplatte 2 gedrückt wird. Die Klemmkraft der Federkontakte 3 ist dabei ferner vorzugsweise auch derart groß, dass die Drähte ausreichend stark fixiert werden und sich bei einer verändernden Wärmeausdehnung der Stromschiene nicht verschieben bzw. auswandern können. Die von den Drähten abgewandte Seite der aus vorzugsweise verzinntem Kupfer bestehenden Kontaktierungsplatte 2 bildet dann die primäre Kontaktierungsfläche 5 für anzuschließende Verbraucher. Zur Verbesserung des Kontakts zwischen der Kontaktierungsplatte 2 und den Drähten besitzt ferner die Kontaktierungsplatte 2 an ihrer Unterseite eine leicht bogenförmige oder dreieckige Vertiefung 6, sodass eine größere Anlagefläche für die anzuschließenden Drähte geschaffen wird.With regard to its basic structure, the in figure 1 The electrical connection contact shown, provided with the reference number 1, corresponds to the already known connection contact, as shown in figure 6 shown is very similar. The connecting contact according to the invention also consists of an elongated contacting plate 2 that is slightly bent downwards on its long sides, the task of which is to take over and forward the electric current from the wires or lines of the busbar sections. At the ends of the contacting plate 2 is a preferably made of a chromium-nickel alloy existing spring contact element 3 is arranged, which has an inwardly bent spring tongue 4, through which a wire inserted into the connecting contact 1 is clamped and pressed sufficiently firmly against the contacting plate 2 with regard to the electrical contact resistances. The clamping force of the spring contacts 3 is also preferably large enough that the wires are fixed sufficiently strong and cannot shift or migrate when the thermal expansion of the busbar changes. The side of the contacting plate 2, which is preferably made of tinned copper, and which is remote from the wires then forms the primary contacting surface 5 for consumers to be connected. To improve the contact between the contacting plate 2 and the wires, the contacting plate 2 also has a slightly curved or triangular indentation 6 on its underside, so that a larger contact surface is created for the wires to be connected.

Der bislang beschriebene Aufbau des elektrischen Verbindungskontakts 1 entspricht dem Aufbau, wie er auch aus dem Stand der Technik bekannt ist. Neu ist nunmehr allerdings erfindungsgemäß vorgesehen, dass in etwa im mittleren Bereich der Kontaktierungsplatte 2 ein weiteres Kontaktierungselement 8 angeordnet ist, das eine weitere Kontaktierungsmöglichkeit bietet.The structure of the electrical connecting contact 1 described so far corresponds to the structure as is also known from the prior art. What is new, however, according to the invention is that a further contacting element 8 is arranged approximately in the middle region of the contacting plate 2, which offers a further contacting possibility.

Im dargestellten Ausführungsbeispiel ist das Kontaktierungselement 8 als U-förmige Klammer dargestellt, welche mit ihren beiden Seitenwänden 10 auf die Kontaktierungsplatte 2 aufgesetzt und hier entsprechend befestigt ist. Das Befestigen des zusätzlichen Kontaktierungselements 8 erfolgt dabei in erster Linie durch entsprechendes Aufklemmen auf die Kontaktierungsplatte 2, wobei jedoch zusätzliche Maßnahmen wie Verlöten, Verkleben oder dergleichen vorgesehen sein können, um die Verbindung zu optimieren. Wesentlich ist, dass eine elektrisch leitende Verbindung vorliegt und dementsprechend das Kontaktierungselement 8 leitend mit den weiteren Bereichen des Verbindungskontakts 1 verbunden ist.In the exemplary embodiment shown, the contacting element 8 is shown as a U-shaped clamp, which is placed with its two side walls 10 on the contacting plate 2 and fastened here accordingly. The fastening of the additional contacting element 8 takes place primarily by appropriate clamping onto the contacting plate 2, although additional measures such as soldering, gluing or the like can be provided in order to optimize the connection. What is essential is that there is an electrically conductive connection and accordingly the contacting element 8 is conductively connected to the other areas of the connecting contact 1 .

Durch das zusätzliche Kontaktierungselement 8, wird nunmehr an der der Kontaktierungsfläche 5 der Kontaktierungsplatte 2 gegenüberliegenden Rückseite des elektrischen Verbindungskontakts 1 eine weitere Kontaktierungsfläche 9 zur Verfügung gestellt. Im vorliegenden Fall ist diese lediglich als ebene Kontaktfläche ausgebildet, welche das Kontaktieren durch entsprechendes Berühren der Oberfläche ermöglicht. Ggf. könnte allerdings auch vorgesehen sein, dass in einer Weiterbildung zusätzliche Maßnahmen vorgesehen sind, um eine verbesserte Kontaktierung zu ermöglichen. Denkbar wäre bspw., durch entsprechende Stanzungen ausbiegbare Laschen oder dergleichen zu bilden, sodass das zusätzliche Kontaktierungselement 8 einen Klemm- oder Federkontakt bildet, der das Einschieben eines Kontakts bzw. eines kontaktierenden Drahtendes ermöglicht, der bzw. das dann zeitgleich auch entsprechend fixiert wird. Dabei wäre durchaus auch denkbar, das Kontaktierungselement 8 als einstückigen Bestandteil des Verbindungskontakts 1 auszubilden bzw. beispielweise die Kontaktierungsplatte 2 derart auszugestalten, dass diese unmittelbar die zusätzliche Kontaktierungsfläche 9 oder den zusätzlichen Kontakt bildet.The additional contacting element 8 now provides a further contacting surface 9 on the rear side of the electrical connecting contact 1 opposite the contacting surface 5 of the contacting plate 2 . In the present case, this is only designed as a flat contact surface, which enables contact to be made by touching the surface accordingly. If appropriate, however, provision could also be made for additional measures to be provided in a further development in order to enable improved contacting. It would be conceivable, for example, to bend out by means of appropriate punching To form tabs or the like, so that the additional contacting element 8 forms a clamp or spring contact that allows the insertion of a contact or a contacting wire end, which is then also fixed accordingly at the same time. It would also be conceivable to design the contacting element 8 as a one-piece component of the connecting contact 1 or, for example, to design the contacting plate 2 in such a way that it directly forms the additional contacting surface 9 or the additional contact.

Figur 2 stellt schematisch die sich bei dem erfindungsgemäßen Verbindungskontakt ergebenden Kontaktierungsmöglichkeiten dar. figure 2 shows schematically the contacting options resulting from the connection contact according to the invention.

Wie auch im Stand der Technik ist hierbei zunächst vorgesehen, dass dieser jeweils an seinen stirnseitigen Enden das Anschließen eines entsprechenden Drahts 50 der miteinander zu verbindenden Stromschienenabschnitte ermöglicht. Wie oben erläutert, werden die entsprechenden Enden der Drähte 50, die über die jeweiligen isolierenden Leitungsaufnahmestrukturen stirnseitig überstehen, in die Federkontakte 3 eingeschoben und dort mit deren Hilfe entsprechend fixiert.As in the prior art, it is initially provided that this allows the connection of a corresponding wire 50 of the conductor rail sections to be connected to one another at its front ends. As explained above, the corresponding ends of the wires 50, which protrude beyond the respective insulating line receiving structures at the end, are pushed into the spring contacts 3 and are correspondingly fixed there with their help.

Weiterhin bildet dann wie auch bislang die Flachseite der Kontaktierungsplatte 2 die primäre Kontaktierungsfläche 5, welche die Drähte 50 überbrückt und somit sicherstellt, dass auch im Übergangsbereich der miteinander zu verbindenden Stromschienenabschnitte die Kontaktierung durch einen Verbraucher möglich ist. Schematisch dargestellt ist dies durch einen einzelnen Kontakt 55, der an einem nicht näher dargestellten Verbraucher angeordnet und derart ausgeführt ist, dass er zum Kontaktieren die Fläche der Kontaktierungsplatte 2 berühren kann. Diese Richtung der Kontaktierung ist dabei identisch zur Kontaktierung der Leitungen bzw. Drähte 50, was letztendlich dazu führt, dass mit Hilfe des Verbindungskontakts 1 eine kontinuierliche Anschlussmöglichkeit über die gesamte Länge des Systems hinweg geschaffen wird.Furthermore, as before, the flat side of the contacting plate 2 forms the primary contacting surface 5, which bridges the wires 50 and thus ensures that contacting by a consumer is also possible in the transition area of the busbar sections to be connected to one another. This is shown schematically by a single contact 55, which is arranged on a consumer, not shown in detail, and is designed in such a way that it can touch the surface of the contacting plate 2 for contacting. This direction of contacting is identical to the contacting of the lines or wires 50, which ultimately leads to a continuous connection option being created over the entire length of the system with the aid of the connecting contact 1.

Darüber hinaus ermöglicht nunmehr allerdings der erfindungsgemäße Verbindungskontakt 1 eine weitere Kontaktmöglichkeit und zwar von der dem Verbraucher gegenliegenden Rückseite des Verbindungskontakts 1. Auch hier ist schematisch ein weiterer Kontakt 60 dargestellt, der in Anlage gegen die Kontaktierungsfläche 9 des zusätzlichen Kontaktierungselements 8 gelangen kann und in diesem Fall dann wiederum elektrisch leitend mit den Drähten 50 der Stromschiene verbunden wird.In addition, however, the connection contact 1 according to the invention now enables a further contact possibility, namely from the rear side of the connection contact 1 opposite the consumer. A further contact 60 is also shown schematically here, which can come into contact with the contacting surface 9 of the additional contacting element 8 and in this Case is then in turn electrically conductively connected to the wires 50 of the busbar.

Die Nutzung der erfindungsgemäßen elektrischen Verbindungskontakte 1 ist dabei bevorzugt bei einem System vorgesehen, wie es in Figur 5 schematisch dargestellt ist und der aus dem Stand der Technik bekannten Lösung entspricht. Die hier im Schnitt dargestellte Tragschiene 30 weist also eine U-förmige Konfiguration auf, die zur Unterseite hin offen ist und mit den beiden Seitenwänden 31 sowie der Oberseite 32 einen Aufnahmeraum umschließt. In diesem Aufnahmeraum sind an beiden Seitenwänden 31 jeweils Stromschienen 33 mit isolierenden Leitungshalterungsstrukturen 35 ausgebildet, die jeweils in Längsrichtung verlaufende Nuten 36 bilden, in denen die Leitungen bzw. Drähte 50 der Stromschienen 33 gelagert werden. Dieses Prinzip ist bereits aus der oben erwähnten EP 1 284 033 B1 bekannt und führt zu dem Vorteil, dass die Leitungen 50 der Stromschienen 33 durchgängig von einer Kontaktierungsseite her zugänglich sind, gleichzeitig jedoch ein versehentliches Berühren der Leitungen 50 vermieden wird. Somit gestattet es das System, über die Leitungen 50 die normale Netzversorgungsspannung zur Verfügung zu stellen und damit vielfältig unterschiedlichste Verbraucher mit Strom zu versorgen.The use of the electrical connection contacts 1 according to the invention is preferably provided in a system as described in figure 5 is shown schematically and corresponds to the solution known from the prior art. The support rail 30 shown here in section thus has a U-shaped configuration which is open towards the underside and encloses a receiving space with the two side walls 31 and the upper side 32 . Busbars 33 with insulating line holding structures 35 are formed on both side walls 31 of this receiving space, each of which forms longitudinally extending grooves 36 in which the lines or wires 50 of the busbars 33 are mounted. This principle is already from the above mentioned EP 1 284 033 B1 known and leads to the advantage that the lines 50 of the busbars 33 are continuously accessible from a contacting side, but at the same time accidental touching of the lines 50 is avoided. The system thus allows the normal mains supply voltage to be made available via the lines 50 and thus to supply power to a wide variety of consumers.

In der Regel wird ein entsprechendes System modular bereitgestellt, d.h., es werden Tragschienen 30 mit einer Standardlänge zur Verfügung gestellt, die dann bereits mit der entsprechenden Drahthalterungsstruktur 35 sowie den darin angeordneten Leitungen 50 bestückt sind. Um ein längeres Lichtbandsystem zu bilden, werden dann die einzelnen Tragschienen 30 hintereinander angeordnet und mechanisch miteinander verbunden, wobei an den Übergangsbereichen ferner auch die Leitungen 50 der Stromschienenabschnitte miteinander zu verbinden sind, was mit Hilfe der erfindungsgemäßen elektrischen Verbindungskontakte 1 erfolgt.As a rule, a corresponding system is provided in a modular manner, i.e. support rails 30 are provided with a standard length, which are then already fitted with the corresponding wire holding structure 35 and the lines 50 arranged therein. In order to form a longer light band system, the individual support rails 30 are then arranged one behind the other and mechanically connected to one another, with the lines 50 of the busbar sections also having to be connected to one another at the transition areas, which is done with the aid of the electrical connecting contacts 1 according to the invention.

Erfindungsgemäß werden dabei mehrere Verbindungskontakte 1 in einem größeren Verbindungselement 20 zusammengefasst, wie es in Figur 3 gezeigt ist. Dieses Verbindungselement 20 besteht aus einem isolierenden Material und bildet einen etwa quaderförmiges isolierendes Gehäuse 21, welches der Aufnahme mehrerer elektrischer Verbindungskontakte 1 dient. Wie in Figur 3 erkennbar ist, weist dabei das Verbindungselement 20 in Längsrichtung parallel verlaufende Ausnehmungen 22 auf, die den Nuten bzw. Kanälen 36 der Leitungsaufnahmestruktur 35 entsprechend und die an den Stirnseiten jeweils in Einführungsöffnungen 23 münden, welche das Einführen der anzuschließenden Leitungen 50 ermöglichen. Von der Rückseite des Gehäuses 21 werden hierbei in entsprechende Aufnahmen die erfindungsgemäßen Verbindungskontakte 1 eingesetzt, sodass deren Kontaktierungsflächen 5 über die Ausnehmungen 22 von der Oberseite her zugänglich sind. Im eingesetzten Zustand der Verbindungskontakte 1 führen also die Kontaktierungsflächen 5 der Verbindungskontakte 1 die Leitungen 50 der Stromschienenabschnitte weiter, sodass auch hier wie anhand von Figur 2 bereits erläutert eine durchgängige Kontaktierungsmöglichkeit für die Kontakte 55 von an das System anzuschließenden Verbrauchern besteht. Nach dem Einsetzen der Verbindungskontakte 1 in das Gehäuse 21 wird dann die Rückseite durch eine verzugsweise lösbar anbringbare Rückwand 25 verschlossen.According to the invention, several connecting contacts 1 are combined in a larger connecting element 20, as shown in figure 3 is shown. This connecting element 20 consists of an insulating material and forms an approximately cuboid insulating housing 21 which serves to accommodate a plurality of electrical connecting contacts 1 . As in figure 3 As can be seen, the connecting element 20 has recesses 22 running parallel in the longitudinal direction, which correspond to the grooves or channels 36 of the line receiving structure 35 and which open into insertion openings 23 on the end faces, which enable the insertion of the lines 50 to be connected. From the back of the housing 21, the connection contacts 1 according to the invention are used here in corresponding recordings, so that their contacting surfaces 5 via the Recesses 22 are accessible from the top. In the inserted state of the connecting contacts 1, the contacting surfaces 5 of the connecting contacts 1 continue the lines 50 of the busbar sections, so that here as well as with the aid of FIG figure 2 already explained, there is a continuous contacting option for the contacts 55 of consumers to be connected to the system. After the connection contacts 1 have been inserted into the housing 21, the rear side is then closed off by a rear wall 25 which can be attached in a detachable manner.

Da nunmehr allerdings die erfindungsgemäßen Verbindungskontakte 1 zusätzlich die weitere, zur Rückseite weisende Kontaktierungsmöglichkeit bieten, sind abweichend von bislang bekannten Lösungen in der Rückwand 25 des Verbindungselements 20 entsprechende Öffnungen 26 ausgebildet, durch welche die Kontaktierungsflächen 9 der Verbindungskontakte 1 zugänglich sind. Die zwischen diesen Öffnungen 26 vorgesehenen Stege 27 dienen einerseits einer besseren Positionierung der Verbindungskontakte 1 in dem Verbindungselement 20, andererseits sorgen sie für eine klare Trennung der rückseitigen, nebeneinander angeordneten Kontaktierungsflächen 9, sodass eine individuelle Kontaktierung einzelner Flächen und damit einzelner Leitungen des Stromschienensystems 33 auch von der Rückseite her möglich ist.However, since the connecting contacts 1 according to the invention now also offer the further contacting option pointing to the back, corresponding openings 26 are formed in the rear wall 25 of the connecting element 20, in contrast to previously known solutions, through which the contacting surfaces 9 of the connecting contacts 1 are accessible. The webs 27 provided between these openings 26 are used, on the one hand, for better positioning of the connecting contacts 1 in the connecting element 20, and on the other hand, they ensure a clear separation of the contacting surfaces 9 arranged next to one another on the back, so that individual contacting of individual surfaces and thus individual lines of the busbar system 33 is also possible possible from the rear.

Die Außenwände der Tragschienenprofile 30 der Tragschienen sind dann im Bereich der Verbindungselemente 20 derart ausgeführt, dass - wie in Figur 4 erkennbar - die Rückseiten der Verbindungselemente 20 und damit die Kontaktierungsflächen 9 der Verbindungskontakte 1 tatsächlich zugänglich sind. Es kann vorgesehen sein, dass dies grundsätzlich an jedem Übergangsbereich zwischen zwei hintereinander angeordneten Tragschienenprofilen 30 der Fall ist, was dadurch erreicht werden kann, dass hier die jeweils aneinandergrenzenden Tragschienenprofile 30 Ausschnitte 40 aufweisen, durch die insgesamt eine etwa rechteckige Öffnung 41 gebildet wird, über welche die Rückseiten der Verbindungselemente 20 von außen zugänglich sind. Alternativ hierzu kann allerdings auch vorgesehen sein, dass ein Zugriff auf die Rückseite eines Verbindungselement 20 nur dann erfolgt, wenn dies auch tatsächlich gewünscht ist. In diesem Fall würden dann bspw. an den Wänden der Tragschienenprofile 30 ausbrechbare oder ausbiegbare Laschen vorgesehen sein, durch welche die Rückseiten der Verbindungselemente 20 freigelegt werden können, sofern hier eine Kontaktierungsmöglichkeit geschaffen werden soll.The outer walls of the support rail profiles 30 of the support rails are then designed in the area of the connecting elements 20 in such a way that - as in figure 4 recognizable - the backs of the connecting elements 20 and thus the contacting surfaces 9 of the connecting contacts 1 are actually accessible. Provision can be made for this to be the case, in principle, at every transition region between two support rail profiles 30 arranged one behind the other, which can be achieved in that the respective adjacent support rail profiles 30 have cutouts 40 here, through which an approximately rectangular opening 41 is formed overall which the backs of the connecting elements 20 are accessible from the outside. As an alternative to this, however, provision can also be made for access to the back of a connecting element 20 only to take place if this is actually desired. In this case, tabs that can be broken out or bent out would be provided, for example, on the walls of the support rail profiles 30, through which the backs of the connecting elements 20 can be exposed if a contacting possibility is to be created here.

Dabei ist darauf hinzuweisen, dass idealerweise die Positionierung der Verbindungselemente 20 am Übergang zweier miteinander zu verbindender Tragschienenabschnitte 30 erfolgt, wie dies in Figur 4 gezeigt ist. Grundsätzlich wäre es allerdings auch denkbar, die erfindungsgemäß ausgestalteten Verbindungselemente 20 mit den rückseitig kontaktierbaren Verbindungskontakten 1 auch mittig in einer entsprechenden Tragschiene zu positionieren.It should be pointed out here that ideally the positioning of the connecting elements 20 takes place at the transition between two support rail sections 30 to be connected to one another, as is shown in figure 4 is shown. In principle, however, it would also be conceivable to also position the connecting elements 20 designed according to the invention with the connecting contacts 1 that can be contacted on the back in the middle of a corresponding mounting rail.

Wesentlich ist, dass mit Hilfe der erfindungsgemäßen Maßnahmen nunmehr bei dem dargestellten Lichtbandsystem auch die Möglichkeit eröffnet wird, eine Kontaktierung der in Längsrichtung im Inneren geführten Leitungen der Stromschienen von außen vorzunehmen. Zum einen kann dies bspw. dazu genutzt werden, die Stromeinspeisung in das System von der Außenseite her vorzunehmen. Zu anderen könnten die zusätzlichen Kontaktierungsmöglichkeiten auch dazu genutzt werden, an der Außenseite des Systems angeordnete Verbraucher mit Strom zu versorgen und an die Leitungen der im Inneren angeordneten Stromschiene anzuschließen. In beiden Fällen ergibt sich der Vorteil, dass hierfür nicht die im Inneren in Längsrichtung verlaufenden Leitungen unterbrochen werden müssen und damit die durchgängige Kontaktierungsmöglichkeit von der Innenseite weiterhin bestehen bleibt. Trotz allem werden zusätzliche Möglichkeiten geschaffen, durch welche die Flexibilität bei der Ausgestaltung des Systems nochmals deutlich erhöht wird.It is essential that with the aid of the measures according to the invention, the possibility is now also opened up in the light line system shown of making contact with the lines of the conductor rails routed in the longitudinal direction in the interior from the outside. On the one hand, this can be used, for example, to feed the current into the system from the outside. On the other hand, the additional contacting options could also be used to supply loads arranged on the outside of the system with electricity and to connect them to the lines of the conductor rail arranged inside. In both cases, there is the advantage that the lines running in the longitudinal direction inside do not have to be interrupted for this purpose, so that the possibility of continuous contacting from the inside continues to exist. Despite everything, additional possibilities are created, through which the flexibility in the design of the system is again significantly increased.

Diesbezüglich ist auch darauf hinzuweisen, dass insbesondere die einzelnen Stromschienenabschnitte nicht zwingend wie vorstehend beschrieben sowie aus dem Stand der Technik bekannt ausgestaltet und angeordnet sein müssen. Im Stand der Technik des Systems "TECTON" werden die Drahthalterungsstrukturen aus mehreren, miteinander verbundenen einzelnen Drahthalterungselementen gebildet, welche im Spritzgießverfahren hergestellt werden und derart ausgestaltet sind, dass sie eine Relativverschiebung zueinander ermöglichen, wobei sie trotz allem die Leitungen durchgehend geschützt umschließen. Auch wenn dies für die vorliegende Erfindung den Idealfall der Realisierung einer Stromschiene darstellt, so könnten die entsprechenden Leitungsaufnahmestrukturen auch weniger komplex gestaltet und beispielsweise im Extrusionsverfahren hergestellt sein, sofern sie trotz allem entsprechende Nuten aufweisen, in denen die Leitungen aufgenommen sind.In this regard, it should also be pointed out that in particular the individual busbar sections do not necessarily have to be designed and arranged as described above and as known from the prior art. In the prior art of the "TECTON" system, the wire support structures are formed from several interconnected individual wire support elements, which are produced by injection molding and are designed in such a way that they allow relative displacement to one another, while still enclosing the lines in a protected manner. Even if this represents the ideal case for the realization of a conductor rail for the present invention, the corresponding line receiving structures could also be designed to be less complex and, for example, be produced by extrusion if they nevertheless have corresponding grooves in which the lines are received.

Weiterhin wäre auch denkbar, die Stromschiene 33 nicht wie in Figur 5 dargestellt an den Seitenwänden einer U-förmigen Tragschiene anzuordnen. Beispielsweise könnte alternativ oder ergänzend hierzu an der Unterseite der oberen Wand 32 eine entsprechende Stromschiene positioniert werden, welche die erfindungsgemäßen Verbindungskontakte nutzt. In diesem Fall wäre dann bspw. ein zusätzlicher Abgriff oder ein Einspeisen unmittelbar von der Oberseite der Tragschiene 30 her möglich, wobei dies beispielsweise dazu genutzt werden könnte, an der Oberseite der Tragschiene positionierte und für eine Indirektbeleuchtung genutzten Leuchteneinheiten mit Strom zu versorgen.Furthermore, it would also be conceivable not to use the busbar 33 as in figure 5 shown to be arranged on the side walls of a U-shaped mounting rail. For example, as an alternative or in addition to this, a corresponding conductor rail could be positioned on the underside of the upper wall 32, which uses connecting contacts. In this case, for example, an additional pick-off or feeding directly from the top of the mounting rail 30 would be possible, whereby this could be used, for example, to supply lighting units positioned on the top of the mounting rail and used for indirect lighting with power.

Schließlich ist auch darauf hinzuweisen, dass ein Kontaktieren der Leitungen der Stromschiene nicht unbedingt dazu dienen muss, die anzuschließende Einheit mit Strom zu versorgen. Auch der Anschluss an zur Kommunikation genutzte Datenleitungen wäre denkbar, wobei insbesondere auch das Anschließen von Sensoren, Kameras oder ähnlichen Komponenten denkbar wäre, die von sich aus Daten über die Leitungen des Lichtbandsystems übermitteln, welche dann z.B. zur automatisieren Steuerung des Systems genutzt werden. Gerade bei derartigen Sensoren oder dergleichen führt die Erfindung zu besonderen Vorteilen, da derartige Komponenten in der Regel ohnehin eher an der Außenseite eines Lichtbandsystems angeordnet werden. Im diesen Sinn kann die vorliegende Erfindung dazu genutzt werden, sämtliche denkbaren elektrischen Einheiten in vorteilhafter Weise an eine Stromschiene anzuschließen.Finally, it should also be pointed out that contacting the lines of the power rail does not necessarily have to serve to supply the unit to be connected with power. The connection to data lines used for communication would also be conceivable, whereby in particular the connection of sensors, cameras or similar components would be conceivable, which themselves transmit data via the lines of the light line system, which are then used, for example, for the automated control of the system. Especially with such sensors or the like, the invention leads to particular advantages, since such components are usually arranged on the outside of a light line system anyway. In this sense, the present invention can be used to advantageously connect all conceivable electrical units to a busbar.

Letztendlich gestattet es also die erfindungsgemäße Lösung, die im Stand der Technik bekannten Vorteile einer Stromschiene voll umfänglich zu nutzen, wobei jedoch zusätzliche Kontaktierungsmöglichkeiten geschaffen werden, durch welche die Einsatzmöglichkeiten zusätzliche erweitert werden.Ultimately, the solution according to the invention allows the advantages of a busbar known in the prior art to be used to their full extent, although additional contacting options are created, through which the possible uses are further expanded.

Claims (9)

  1. A busbar (33) for lamps or electrical units,
    having several busbar sections which can be connected to one another, each comprising several longitudinally extending conduits (50) for power supply and/or for signal transmission, which are arranged in grooves (36) of a conduit-accommodating structure (35) consisting of an insulating material, said grooves being open to a contacting side,
    wherein electrical connection contacts (1) are provided in the connection region of two successive busbar sections, to which contacts the front ends of two conduits (50) to be connected to one another are connected and which form a contacting surface (5) that is accessible from the contacting side,
    and wherein several of the electrical connection contacts (1) are arranged in a connection element (20), which has groove-like recesses (22) corresponding to the grooves (36) of the conduit-accommodating structure (35) for the conduits (50), via which the contacting surfaces (5) of the electrical connection contacts (1) are accessible,
    characterized in that
    the electrical connection contacts (1) on a rear face opposite the contacting surface (5) comprise a further contacting surface (9) or a contact, in particular a clamping or spring contact, and the connection element (20) has openings (26) at its rear side opposite the recesses (22), via which openings the further contacting surface (9) or the contact is respectively accessible.
  2. The busbar according to claim 1,
    characterized in that
    that the further contacting surface (9) or the contact is an integral component of the connection contact (1).
  3. The busbar according to claim 1,
    characterized in that
    the further contacting surface (9) or the contact are formed by an additional contacting element (8) attached to the connection contact (1).
  4. The busbar according to one of the preceding claims,
    characterized in that
    the electrical connection contacts (1) each comprise an elongated contacting plate (2), which forms the contacting surface (5) and, at their ends, clamping contacts (23) are arranged for clamping the conduits (50) to be connected to the electrical connection contact (1).
  5. A mounting rail (30) for lamps or electrical units,
    which comprises a mounting rail profile as well as at least one busbar (33) held by the mounting rail profile according to one of the preceding claims.
  6. The mounting rail according to claim 5,
    characterized in that
    the mounting rail profile comprises at least one wall (31) on which the busbar sections are arranged, wherein the wall (31) comprises openings (41) or regions to be opened, which allow an access to the rear contacting surfaces (9) or contacts of the electrical connection contacts (1).
  7. The mounting rail according to claim 6,
    characterized in that
    the regions to be opened are formed by die-cuttings or incisions, which form bendable tabs or break-away regions in the wall (31) or the mounting rail profile.
  8. The mounting rail according to one of the claims 5 to 7,
    characterized in that
    the mounting rail profile is configured in a U-shape or H-shape with two side walls (31), on the inside of which a busbar (33) is arranged.
  9. The mounting rail according to one of the claims 5 to 8,
    characterized in that
    the mounting rail profile consists several mounting rail elements arranged in a row, wherein the electrical connection contacts (1) are arranged in the transition region of two successive mounting rail elements
    and wherein the mounting rail elements preferably form an opening (41) in at least one transition region, via which the electrical connection contacts (1) can be contacted from the outside, wherein an external connection to the power supply of the busbar (33) occurs in this transition region.
EP20785961.2A 2019-10-08 2020-10-01 Busbar for lamps or electrical units Active EP4042525B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019126933.4A DE102019126933A1 (en) 2019-10-08 2019-10-08 Conductor rail for lights or electrical units
PCT/EP2020/077513 WO2021069302A1 (en) 2019-10-08 2020-10-01 Busbar for lamps or electrical units

Publications (2)

Publication Number Publication Date
EP4042525A1 EP4042525A1 (en) 2022-08-17
EP4042525B1 true EP4042525B1 (en) 2023-06-14

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EP (1) EP4042525B1 (en)
AT (1) AT17495U1 (en)
DE (1) DE102019126933A1 (en)
WO (1) WO2021069302A1 (en)

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Publication number Priority date Publication date Assignee Title
WO2022010885A1 (en) * 2020-07-06 2022-01-13 Starline Holdings, Llc Systems and methods for dust and liquid protected continuous access busway trunking systems
EP4080691A1 (en) * 2021-04-23 2022-10-26 Zumtobel Lighting GmbH Mounting rail for lights or electrical units
DE102021006454A1 (en) * 2021-12-28 2023-06-29 Zumtobel Lighting Gmbh SUPPORTING PROFILE RAIL ELEMENT WITH CONNECTION CLAMP
EP4270680A1 (en) * 2022-04-28 2023-11-01 Zumtobel Lighting GmbH Busbar and trunking rail for luminaires or other electrical devices

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4141799C2 (en) * 1991-12-18 1999-04-22 Vahle Paul Kg Track connector
DE10025648B4 (en) * 2000-05-24 2010-04-08 Zumtobel Lighting Gmbh Busbar system
US20130258682A1 (en) * 2012-03-29 2013-10-03 Miguel A. Pino Apparatus, system and method for connecting linear light fixtures

Also Published As

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EP4042525A1 (en) 2022-08-17
AT17495U1 (en) 2022-06-15
DE102019126933A1 (en) 2021-04-08
WO2021069302A1 (en) 2021-04-15

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