EP0404979B1 - Light rail system - Google Patents

Description

The present invention relates to a light rail system with a conductor rail having at least two current conductors and at least one lamp holder which can be connected to the conductor rail by contacting the current conductors, in particular for low-voltage lamps.

There are initially known light rail systems for low-voltage lamps, which have, for example, busbars or conductors formed from mutually parallel, uninsulated wires, on which the lamp holders can be suspended via corresponding contact elements, which then makes contact. On the one hand, it is disadvantageous here that the assembly of the current conductors is cumbersome and time-consuming. On the other hand, such systems with uninsulated conductors no longer meet today's safety regulations, because despite the low voltage of mostly 12 V due to the high achievable current values, there may be dangers due to inadmissible heating. For example, if used improperly, a short circuit can easily occur, which leads to increased current values and the associated heating and fire hazards.

Furthermore, light rail systems are known, the conductor rails of which consist of rigid, for example U-shaped profile rails in cross section, the sockets for the lamps being held by grooves formed in the U-shaped receptacle and being contacted with conductors arranged in these regions. The assembly of these systems is also complex. In addition, only light rails can always be realized with a length corresponding to the length of a profile rail or a multiple thereof, unless one of the profile rails is to be shortened, but this is only possible by sawing or the like and is therefore difficult.

A light rail system of the generic type is also known from document EP-A-0 129 425. Here, too, essentially rigid light rails are provided, which are not very variable in terms of the mounting possibility, namely mainly a two-part rail consisting of a conductor rail and a channel profile used for holding is described.

The object of the present invention is to improve a light rail system of the generic type in such a way that it can be assembled more easily, more quickly and with greater variability in terms of spatial arrangement and mounting options, and in particular also meets today's safety regulations.

According to the invention, this is achieved in that the conductor rail consists of a carrier profile which, firstly, is designed to be so flexible that it can be rolled up, which, secondly, is plastically deformable in such a way that it can be mounted with practically any directional course, and thirdly, has such self-supporting properties that it has such stability in the area between two wall elements or ceiling elements, spaced apart in the longitudinal direction of the profile, that In this area it is possible to attach at least one luminaire holder without significant changes in shape due to the weight of the luminaire holder.

In a first embodiment of the invention, the carrier profile is designed as a flat, strip-shaped conductor strip and preferably consists of a carrier strip with on one side or on both sides of the carrier strip arranged, forming the current conductors, electrically insulated from each other. The carrier tape itself preferably consists of a metal tape, in particular an aluminum tape, with insulating layers applied on both sides, it being possible for the insulating layers to be formed from anodized layers of the aluminum tape and / or from additional insulation material. In this case, the metal strip in particular gives the carrier profile according to the invention its plastic deformability and self-supporting properties. As an alternative to this, however, it is also possible to produce the carrier tape from an electrically insulating material, in particular from plastic, in which case this plastic preferably has the abovementioned properties, flexibility, plastic deformability and self-supporting properties, but these properties can also affect the carrier profile are given to the current conductors or the conductor tracks by forming them with appropriate material properties.

In this first embodiment of the invention, the support profile is due to its band shape in directions perpendicular to the band plane, i.e. "in two dimensions", deformable. By means of a suitable assembly, however, it can be achieved that the conductor strip can be “laid” in any direction and course, for example by twisting (twisting) it. In addition, the conductor strip can be mounted either parallel or perpendicular to wall or ceiling surfaces using suitable mounting elements, which also has a positive influence on the mounting and routing options.

In a further advantageous embodiment of the invention, the support profile is in relation to its cross section three-dimensional, ie non-band-shaped profile body made of insulation material, which profile body can have a flat cross-section, in particular an approximately rectangular or square or a circular, oval, triangular or other polygonal cross-section or a "superimposition" of these cross-sectional shapes. For each current conductor, the profile body preferably has a conductor groove which is open at the edge and in which the current conductor is seated, in particular in a form-fitting and recessed manner, ie protected against contact. The contact is made by means of contact elements engaging in the conductor grooves. The mechanical properties mentioned above (flexibility, plastic deformability, self-supporting) are achieved either by the current conductors, for example made of copper wires, or - which is particularly advantageous - by a special support element, which is preferably embedded as a core in the plastic profile body. It is particularly advantageous in this embodiment that the carrier profile can be deformed as desired in practically any spatial direction, ie "in three dimensions". In a further development of this embodiment, the profile body has, in addition to the conductor grooves, any number of receiving grooves, likewise open at the edge, in which additional conductors for any functions, for example as telephone, loudspeaker or control lines, are arranged.

It is essential that the carrier profile according to the invention is so flexible on the one hand that it can advantageously be stored and transported in a rolled-up state as "yard goods" in a very space-saving manner, but on the other hand still has such rigidity that it is plastically deformable and in the assembled state receives "self-supporting" properties. This means that the support profile, for example in the area between two to the wall or Provided ceiling mounting, spaced apart from each other in the longitudinal direction of the profile has such stability that it is possible to attach a luminaire holder in this area without substantial changes in shape (bending) occurring due to the weight of the luminaire holder and the luminaire arranged therein. The carrier profile according to the invention advantageously has only such a cross section that it can still be cut to length with a hand tool, for example with scissors or a side cutter. The support profile according to the invention is thus advantageously extremely simple and very variable to assemble.

Due to the advantageous design of the support profile, the light rail system according to the invention also meets the applicable safety regulations, since it is preferably designed and / or mounted in such a way that the current conductors are concealed or at least recessed in the support profile. As a result, short circuits and contact with the live or live conductors are almost impossible.

The light rail system according to the invention is extremely variable with regard to its possible uses. The carrier profile is preferably fastened to wall and / or ceiling surfaces by means of mounting elements spaced apart from one another in the longitudinal direction of the profile, the mounting elements being able to form spacers, so that the carrier profile runs parallel to the respective surface at a small distance.

For connection to a voltage source, according to the invention at least one connection element is provided which connects the current conductors of the carrier profile with connections of the voltage source, for example a transformer preferably has a plug-in receptacle for inserting one end of the carrier profile. Contact elements are arranged in the plug receptacle which make electrical contact with the current conductors of the carrier profile.

Furthermore, in the context of the light rail system according to the invention, at least one connector element is provided, which connects the current conductors of two or more sections of the support profile, in particular arranged at an angle to one another. However, the connector element can also only be a mechanical, i.e. Establish non-conductive connection of the carrier profile sections; Furthermore, it can advantageously have switching means by means of which the current conductors of the respective carrier profile sections can optionally be electrically connected or disconnected. It can be corner connectors, T-connectors, star connectors with multiple outlets or the like. The connector element also advantageously has, for each section of the carrier profile, a plug-in receptacle receiving it at the end with contact elements contacting the current conductors. The angle or angles between the individual outlets of the connector element can either lie in the band plane of the carrier profile designed as a conductor band and / or in each case between the band levels of two conductor bands.

Further advantageous design features of the invention are contained in the subclaims and the following description.

Fig. 1

eine Seitenansicht eines beispielhaft an einer Deckenfläche montierten, erfindungsgemäßen Lichtschienen-Systems mit einem Trägerprofil, Montagelementen, Leuchtenfassungen sowie in diesen angeordneten Leuchten,

Fig. 2

eine Draufsicht auf das Trägerprofil in Pfeilrichtung II gemäß Fig. 1

Fig. 3

einen vergrößerten Querschnitt durch das Trägerprofil längs der Schnittlinie III-III in Fig. 2,

Fig. 4

eine Ausführungsform eines beispielhaft an einer Wand- sowie einer Deckenfläche montierten, erfindungsgemäßen Lichtschienen-Systems mit Darstellung eines Anschlußelementes sowie eines Verbinderelementes.

Fig. 5

einen vergrößerten Querschnitt durch eine mögliche Ausführungsform eines Montageelementes längs der Schnittlinie V-V in Fig. 2,

Fig. 6

eine Ansicht wie in Fig. 5 in einer vorteilhaften Weiterbildung des Montageelementes,

Fig. 7

einen Querschnitt durch das erfindungsgemäße Trägerprofil längs der Schnittlinie VII-VII in Fig. 8 mit Darstellung einer vorteilhaften Ausführungsform einer Leuchtenfassung,

Fig. 8

eine Draufsicht in Pfeilrichtung VIII gemäß Fig. 7,

Fig. 9

einen Querschnitt durch eine weitere Ausführungsform des erfindungsgemäßen Trägerprofils mit einer vorteilhaften Ausführung einer steckbaren Leuchtenfassung,

Fig. 10

einen Querschnitt durch das Trägerprofil gemäß Fig. 9 im Bereich eines Montageelementes,

Fig. 11

einen Querschnitt durch eine weitere mögliche Ausführungsform des Trägerprofils,

Fig. 12

eine Ansicht auf das auf der Deckenfläche montierte Lichtschienen-System in Pfeilrichtung XII gemäß Fig. 4,

Fig. 13

einen Querschnitt durch eine weitere Ausführung des erfindungsgemäßen Trägerprofils mit Darstellung einer Leuchtenfassung,

Fig. 14 und 15

Abwandlungen des Trägerprofils gemäß Fig. 13 ebenfalls in "Querschnitt-Darstellungen",

Fig. 16

einen Querschnitt durch das Trägerprofil nach Fig. 15 mit einem zusätzlichen Abdeckprofil und

Fig. 17

einen Querschnitt durch ein Trägerprofil mit einer in Profillängsrichtung verschiebbaren und antreibbaren Leuchtenfassung.

The invention will be explained in more detail by way of example below with reference to the drawing. Show:

Fig. 1

1 shows a side view of a light rail system according to the invention, which is mounted on a ceiling surface as an example, with a support profile, mounting elements, lampholders and luminaires arranged in these,

Fig. 2

a plan view of the support profile in the direction of arrow II of FIG. 1st

Fig. 3

3 shows an enlarged cross section through the carrier profile along the section line III-III in FIG. 2,

Fig. 4

an embodiment of an exemplary light rail system mounted on a wall and a ceiling surface, showing a connection element and a connector element.

Fig. 5

3 shows an enlarged cross section through a possible embodiment of a mounting element along the section line VV in FIG. 2,

Fig. 6

5 shows a view as in FIG. 5 in an advantageous development of the mounting element,

Fig. 7

FIG. 8 shows a cross section through the support profile according to the invention along the section line VII-VII in FIG. 8, showing an advantageous embodiment of a lamp holder,

Fig. 8

7 shows a plan view in the direction of arrow VIII according to FIG. 7,

Fig. 9

2 shows a cross section through a further embodiment of the support profile according to the invention with an advantageous embodiment of a plug-in luminaire holder,

Fig. 10

9 shows a cross section through the carrier profile according to FIG. 9 in the region of a mounting element,

Fig. 11

3 shows a cross section through a further possible embodiment of the carrier profile,

Fig. 12

4 shows a view of the light rail system mounted on the ceiling surface in the direction of arrow XII according to FIG. 4,

Fig. 13

2 shows a cross section through a further embodiment of the support profile according to the invention, with a light holder shown,

14 and 15

13 also in "cross-sectional representations",

Fig. 16

a cross section through the carrier profile of FIG. 15 with an additional cover profile and

Fig. 17

a cross section through a support profile with a movable and drivable lamp holder in the longitudinal direction of the profile.

In the different figures of the drawing, the same parts are always designated with the same reference numerals.

According to FIG. 1, components of the light rail system according to the invention are at least one conductor rail 2 and at least one luminaire holder 4 for luminaires 6, wherein — as shown — in particular low-voltage reflector luminaires can be used. The conductor rail 2 has at least two current conductors 7, but it is within the scope of the invention to design the system according to the invention as a “multi-conductor system”, for example with three conductors 7 for series connections and the like (cf. FIGS. 9 and 10).

According to the invention, the conductor rail 2 now consists of a flexible, plastically deformable, self-supporting support profile 8, which is also advantageously thermally stable, i.e. even with heating, which is caused in particular by the lights 6, maintains sufficient mechanical stability. As indicated in Fig. 1, the carrier profile 8 according to the invention can advantageously be rolled up to rolls 10 after its production as "yard goods" and unrolled again for assembly and - as indicated in Fig. 2 - very easily with a hand tool (scissors, sheet metal shears, side cutters) cut to the desired length.

According to FIG. 2, the carrier profile 8 in a first embodiment according to the invention consists of a flat, strip-shaped conductor strip 11, which in turn preferably consists of a carrier strip 12, which brings about the mechanical properties of the carrier profile 8 mentioned above, and - as in FIG. 2 shown - on only one surface or - according to FIGS. 9 and 10 - arranged on both surfaces of the carrier tape 12, the conductor tracks 14 forming the current conductors.

In an embodiment of the invention shown in FIG. 3, the carrier tape 12 consists of a metal tape 16, preferably an aluminum tape, an insulating layer 18 being preferably arranged on the metal tape 16 on both surfaces. In this case, the conductor tracks 14 are arranged on one of these insulating layers 18. In this advantageous embodiment of the carrier tape 12, the metal tape 16 can be used as an additional current conductor according to the invention. For this purpose, the metal strip 16 can advantageously be contacted (not shown) by means of contact elements penetrating the insulating layer 18.

In a e.g. 7, alternative embodiment of the conductor strip 8 illustrated in FIG. 7, the carrier strip 12 according to the invention consists uniformly of an electrically insulating material, in particular a plastic, this material then having the mechanical properties mentioned above. Alternatively, however, the conductor tracks 14 can also have these mechanical properties, in which case any plastic can be used for the carrier tape 12.

1, 2 and 4, according to the invention, a plurality of mounting elements 20 spaced apart from one another in the longitudinal direction of the conductor strip 8 are provided for fastening the carrier profile 8 to wall and / or ceiling surfaces 22. These assembly elements 20 consequently form spacers or fastening bases, the carrier profile 8 being preferably releasably attachable to the assembly elements 20.

5 and 6, the mounting elements 20 can be designed as a "mounting clip", which in the execution of the Carrier profile 8 as a conductor strip 11 each have the longitudinal edges of the conductor strip 11 laterally encompassing, preferably spring-elastic holding arms 24. In this case, the carrier profile 8 can be connected to the mounting elements 20 according to the invention by means of snap-fit or force fit connections, in that it only needs to be pressed in between the holding arms 24 in a latching manner. As an alternative or in addition to this type of connection, the carrier profile 8 can also advantageously be integrally connected to the mounting elements 20, for example by means of adhesive strips 26 shown in broken lines, in order to absolutely prevent the carrier profile 8 from slipping.

In the embodiment according to FIG. 5, the mounting elements 20 are attached directly to the respective wall or ceiling surface 22, for example via screw connections 28. In the alternative shown in FIG. 6, the mounting elements 20 are each indirectly attached to the surface 22 via a mounting part 30, in which case the mounting element 20 with the mounting part 30, which forms a spacer, is pivoted and / or via a hinge connection 32 is rotatably connected. This pivoting mobility is indicated in FIG. 6 by the double arrows 34 shown. This articulated mounting of the mounting part 30 brings about the possibility of adjusting the direction of radiation of the lamps 6 held on the carrier profile 8.

In an embodiment that is not shown, the mounting elements 20 can advantageously also be designed as lampholders, the mounting elements 20 then each having the connecting elements electrically connecting the current conductors of the carrier profile 8 to contact elements of the lampholder.

In the exemplary embodiments shown, the lampholders 4 are each held in a non-positively and / or form-fitting manner in regions of the carrier profile 8 lying between the mounting elements 20. In this case, in the exemplary embodiment according to FIG. 3, the lampholders 4 are arranged lying on the side of the conductor strip 11 facing away from the conductor tracks 14 and each penetrate a through opening 38 of the conductor strip 11 with electrical, preferably spring-elastic contact elements 36 (see FIG. 2) and lie on the other Side of the conductor strip 11 for contacting the conductor tracks 14 on this. In an alternative embodiment, not shown, the contact elements 36 can also grip around the side edges of the conductor strip 11 on the outside and then rest on the conductor tracks 14 on the other side of the conductor strip 11. The openings 38 of the conductor strip 11 can be prefabricated directly during the manufacture of the conductor strip 11. It is particularly advantageous that it can always be determined from the number of openings 38 of pieces of conductor strip 11 cut to different lengths which total connected load is present, since only the connected load of a lamp 6 multiplied by the number of available openings 38 are needed.

In the embodiment according to FIGS. 7 and 8, the lampholders 4 advantageously each consist of a contact part 40 that can be connected to the carrier profile 8 or the conductor strip 11 and a socket part 42 that receives the luminaire 6 Conductor strip 11 are used in a bayonet-like manner, ie the contact part 40 has an elongated, preferably rectangular, contour adapted to the opening 38, as a result of which it is in a position in a direction perpendicular to the band plane (arrow direction 44 in FIG. 7) can be inserted into the opening 38. Subsequently, the contact part 40 is then rotated in the band plane in the double arrow direction 46 according to FIG. 8 until its contact elements contact the conductor tracks 14 (see FIG. 7). In this case, the holder part 42 can be connected to the contact part 40 so as to be pivotable and / or rotatable via at least one joint 48 (FIG. 7), in order to provide an adjustment option for the direction of radiation of the lamp 6. The mobility of the lamp 6 is illustrated in FIG. 7 by a double arrow 50.

According to FIG. 4, at least one connection element 52 is further provided according to the invention, which connects the current conductors 7 of the carrier profile 8, i.e. the conductor tracks 14 and / or the metal strip 16, with connections of a voltage source, in particular a transformer 54, e.g. connects via a line connection 56. This connecting element is preferably designed as a plug-in element with a plug-in receptacle for inserting one end of the carrier profile 8.

Furthermore, according to the invention, at least one connector element 58 can be provided for connecting two or more sections of the carrier profile 8. This connector element 58 preferably has a plug receptacle for each section of the carrier profile 8 to be connected, wherein these plug receptacles can be arranged at any angle to one another. 4 shows a corner connector for connecting two carrier profile sections at an angle of 90 °. However, T-connectors or star connectors are also conceivable.

9 and 10 show a further embodiment of the carrier profile 8 according to the invention, which in turn is designed as a conductor strip 11, but this conductor strip 11 consists of a central insulating layer 18 with conductor tracks 14 arranged on both sides. In this exemplary embodiment there are one side of the conductor strip 11 a conductor track 14 and two conductor tracks 14 arranged on the other side. In this case, the conductor tracks 14 bring about the mechanical properties of the carrier profile 8 according to the invention described above. This carrier profile 8 is particularly suitable for mounting or alignment perpendicular to a wall or ceiling surface 22, as shown in FIG. 10. The conductor tracks 14 are then contacted from the side by means of a suitable contact part 40. As shown in FIG. 9, it is advantageous if the contact part 40 consists of two parts 40a, 40b, which are detachably connected to one another via electrical connectors 62, which is to be illustrated by the double arrow 64 shown in FIG. 9. Here, too, pivoting mobility of the mounting part 42 is ensured via two joints 48 in this case. The mounting element 20 shown in FIG. 10 for this embodiment of the carrier profile 8 is essentially U-shaped and engages around the carrier profile 8 with two holding arms 66 in a latching or clamping manner. This mounting element 20 can - as shown - be attached directly or alternatively indirectly to the wall or ceiling surface 22 analogously to FIG. 6.

In the exemplary embodiment according to FIG. 11, the carrier profile 8 according to the invention consists of a band-shaped or strip-shaped carrier band 12 made of insulation material, in which a plurality of conductor tracks 14 are arranged one above the other in a sandwich-like arrangement are embedded. These conductor tracks 14 each extend as far as the side edges of the carrier profile 8, so that contact can be made in the region of the side edges in the manner shown in FIG. 11.

FIG. 12 shows an example of how variably the light rail system according to the invention can be installed. The support profile 8 according to the invention can be laid in any course due to its flexibility and its dimensionally stable properties. 12 shows two intersecting strands of the carrier profile 8, a star-shaped connector element 58 with four plug-in receptacles being arranged at the crossing point. It is particularly advantageous here if the connector element 58 has electrical switching means by means of which the individual partial strands of the carrier profile 8 can be electrically connected or separated.

In the advantageous exemplary embodiments according to FIGS. 13 to 17, the carrier profile 8 according to the invention consists of a profile body 70 consisting of insulation material, this profile body 70 preferably having an edge-open, cross-sectionally approximately Ω-shaped conductor groove 72 for each current conductor 7, in which the respective Current conductor 7 is in particular held positively and recessed. The current conductors 7 are preferably designed as wires, in particular as copper wires with a circular cross section. In this case, the carrier profile 8 can obtain its mechanical properties according to the invention from the corresponding properties of the current conductors 7. However, it is particularly advantageous if — as shown — the profile body 70 is a flexible, self-supporting, plastically deformable support element that runs in the longitudinal direction of the profile 74 has. This support element 74 is preferably embedded as a soul in the plastic profile body 70. In the illustrated exemplary embodiments, the support element 74 has a circular cross section. It can consist of metal, in particular aluminum.

In a development of this embodiment according to the invention, the profile body 70 has, in addition to the conductor grooves 72, further edge-open receiving grooves 76 for preferably also positive and recessed receiving additional conductors 78. These additional conductors 78 can be used for any functions, such as speaker lines, control lines or the like.

The arrangement of the current conductors 7 and the additional conductors 78 is fundamentally arbitrary. In the exemplary embodiments shown, the profile body 70 is in each case formed with an essentially rectangular cross section, the current conductors 7 and / or the additional conductors 78 being arranged in the region of a surface of the profile body 70 according to FIGS. 13, 15, 16 and 17. In the example according to FIG. 14, a current conductor 7 is arranged on diametrically opposite side surfaces of the profile body 70, while the additional conductors 78 are arranged on one of the surfaces of the profile body 70 connecting these two opposite sides.

For contacting the current conductors 7 and / or the additional conductors 78, the lampholders 4 or their contact parts 40 each have contact elements 80 which, according to the invention, engage in the conductor grooves 72 and / or the receiving grooves 76 of the profile body 70 in such a way that they conduct the conductors 7 arranged there. 78 contact. The openings of the conductor grooves 72 and the receiving grooves 76 can advantageously be so narrow that contact with the live conductors is excluded.

In the exemplary embodiment according to FIG. 16, according to the invention, a cover profile 82 which can be connected to the carrier profile 8 in a force-fitting and / or form-fitting and / or material-locking manner is provided, which preferably closes the conductor grooves 72 and / or the receiving grooves 76 in a watertight manner. This version is particularly advantageous for outdoor installation, since it protects the current conductors 7 and / or the additional conductors 78 from moisture and moisture.

In an advantageous development of the invention shown in FIG. 17, the lamp holders 4 on the support profile 8 or the profile body 70 are displaceable in the longitudinal direction of the profile and are preferably driven by a motor. For this purpose, the lampholder 4 or the contact part 40 has a rotatably mounted shaft 84 which can be driven via a motor drive 86 and on the other side carries a gear 88 which engages in a toothed rack 90 of the carrier profile 8 or the profile body 70. The motor drive 86 can be controlled via the additional conductors 78 (not shown in FIG. 17). The contact elements 80 are designed as sliding contacts, so that the conductors 7 and 78 are well contacted even during the displacement movement. This embodiment is particularly suitable for effect lighting, for example in discotheques and the like.

The invention is not limited to the exemplary embodiments shown and described, but also encompasses all embodiments having the same effect in the sense of the invention.

Claims (20)

1. Lighting bus bar system with a conductor rail (2) having at least two current conductors (7) and with at least one luminaire socket (4) connectable to the conductor rail (2) while contacting the current conductor (7), in particular for low voltage luminaires, characterized in that the conductor rail (2) consists of a girder profile (8) which is firstly flexible in design in such a way that it can be rolled up, which is secondly plastically deformable in such a way that it can be mounted with virtually any directional course and which thirdly has self-supporting properties in such a way that it has sufficient stability in the region between each two mounting elements (20) provided for wall or ceiling mounting and spaced from one another in the longitudinal direction of the profile that fastening of at least one luminaire socket (4) is possible in this region without significant changes of shape owing to the weight of the luminaire socket (4).
2. Lighting bus bar system according to claim 1, characterized in that the girder profile (8) is designed as a flat band-shaped conductor strip (11) and preferably consists of a girder strip (12) with conductor tracks (14) arranged on one side or on both sides of the girder strip (12) or embedded in the girder strip (12) and forming the current conductors (7).
3. Lighting bus bar system according to claim 2, characterized in that the girder strip (12) consists of a metal strip (16), in particular an aluminium strip, with insulating layers (18) preferably arranged on either side or of an electrically insulating material, in particular plastics material.
4. Lighting bus bar system according to claim 3, characterized in that the metal strip (16) of the girder strip (12) forms a current conductor to be contacted, in particular, by means of contact elements which penetrate the insulating layer (18).
5. Lighting bus bar system according to claim 1, characterized in that the girder profile (8) consists of a three-dimensional profile member (70) made of insulating material and is preferably provided with conductor grooves (72) which are open at the edges and receive the current conductors (7) in particular positively and in a countersunk manner.
6. Lighting bus bar system according to claim 5, characterized in that the profile member (70) possesses a carrying element (74) which extends in the longitudinal direction of the profile, has said properties - flexibility, plastic deformability and self-supporting capacity -, is preferably embedded as a core in the plastics material profile member (70) and consists, in particular, of metal, preferably aluminium.
7. Lighting bus bar system according to claim 5 or 6, characterized in that the profile member (70) has, in addition to the conductor grooves (72), further holding grooves (76) which are open at the edges for the preferably positive holding of additional conductors (78).
8. Lighting bus bar system according to one or more of claims 5 to 7, characterized by a covering profile (82) which can be non-positively and/or positively and/or integrally connected to the girder profile (8) and preferably seals the conductor grooves (72) and/or the holding grooves (76) in a water-tight manner.
9. Lighting bus bar system according to one or more of claims 1 to 8, characterized in that the girder profile (8) can be connected to the mounting elements (20) by means of, in particular, positive or non-positive snap fasteners and/or integrally.
10. Lighting bus bar system according to one or more of claims 1 to 9, characterized in that the mounting elements (20) can be fastened directly or in each case via a mounting member (30) directly on a wall or ceiling surface (22), the respective mounting element (20) preferably being connected pivotally and/or rotatably to the mounting member (30) via an articulated joint (32).
11. Lighting bus bar system according to one or more of claims 1 to 10, characterized in that the mounting elements (20) are simultaneously designed as luminaire sockets, the mounting elements (20) having respective attachment elements which electrically connect the current conductors of the girder profile (8) to contact elements of the luminaire socket (4).
12. Lighting bus bar system according to one or more of claims 1 to 11, characterized in that the luminaire sockets (4) are held non-positively and/or positively on the respective girder profile (8), preferably via positive or non-positive snap fasteners.
13. Lighting bus bar system according to claim 12, characterized in that the luminaire sockets (4) are arranged on one side of the girder profile designed as a conductor strip (11) and, in each case with electrical, preferably resilient contact elements (36), penetrate an orifice (38) in the conductor strip (11) or externally surround its lateral edges and, on the other side of the conductor strip (11), the conductor tracks (14) rest with contact thereon.
14. Lighting bus bar system according to claim 12, characterized in that the luminaire sockets (4) with contact elements (80) engage in the conductor grooves (72) and/or the holding grooves (76) of the girder profile (8) designed as a profile member (70) and contact the current conductors (7) and/or the additional conductors (78).
15. Lighting bus bar system according to one or more of claims 1 to 14, characterized in that the luminaire sockets (4) each consist of a contact member (40) connectable to the girder profile (8) and a socket member (42) holding the luminaire (6), the socket member (42) preferably being pivotally and/or rotatably connected to the contact member (40) by at least one joint (48).
16. Lighting bus bar system according to claim 15, characterized in that the contact member (40) in two parts consists of two members (40a, 40b) detachably connected via electric plug-in connectors (62), one member (40a) being connectable to the girder profile (8) and the other member (40b) to the socket member (42).
17. Lighting bus bar system according to one or more of claims 1 to 16, characterized by at least one terminal element (52) connecting the current conductors (7) of the girder profile (8) to terminals of a voltage source, in particular a transformer (54).
18. Lighting bus bar system according to one or more of claims 1 to 17, characterized by at least one connector element (58) for the mechanical and/or electrical connection of two or more portions or the girder profile (8) in an arrangement preferably angled to one another.
19. Lighting bus bar system according to claim 17 and/or 18, characterized in that the terminal element (52) and/or the connector element (58) have/has switching means for producing and releasing the electrical connections between the voltage source and the current conductors (7) and/or between the current conductors (7) of the individual portions of the girder profile (8).
20. Lighting bus bar system according to one or more of claims 1 to 19, characterized in that the luminaire sockets (4) are guided on the girder profile (8) so as to be displaceable in the longitudinal direction of the profile and are preferably guided so as to be drivable by a motor.

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