KR20160076686A - Lighting Rail Having Structure of Insulating Frame - Google Patents

Abstract

The present invention relates to a lighting rail of an insulation frame structure and, more specifically, relates to a lighting rail of an insulation frame structure capable of improving processability and workability since a frame of the lighting rail is formed by the extrusion and injection of an insulation material. The lighting rail includes: an insulation frame (11) integrated with an insulation material, and comprising a base substrate (111), a pair of side fixing walls (112) extended from the base substrate (111), and a pair of connection substrates (113) forming a separation gap while being extended from an end of the side fixing walls (112) in directions facing each other; an electrode frame (12) combined with the insulation frame (11), and including an attachment groove (122); and a conductive strip (13) attached to the attachment groove (122). The insulation frame (11) becomes an extruded object or injected object.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a light-

The present invention relates to an illumination rail of an insulated frame structure, and more particularly to an illumination rail of an insulated frame structure in which a frame of an illumination rail is formed by extrusion or injection of an insulating material to improve workability and workability will be.

Lighting rails are devices that have an interior luminaire attached so that the socket of the luminaire is in contact with a conductive strip located on the light rail to enable the luminaire to flicker. Such a light rail may be installed on a ceiling or a wall for interior lighting for display of commercial products or decorative lighting of a living room, and may be arranged such that a socket of a plurality of lamps is detachably attached to the lighting rail. The socket is movable within the illumination rail, allowing illumination to any location. The electrode unit inserted into the light rail can be made in such a way that the strip-shaped conductive strip is inserted into a frame of insulating material such as polyvinyl chloride (PVC) or polyethylene. The frame of the insulating material is made in the form of a metal frame, and the electrode unit is made by a method in which a separately produced conductive strip is inserted into the frame of the insulating material. The electrode unit can then be inserted into the rail frame to create a light rail. The light rail can be installed on the ceiling or on the wall, the socket can be coupled to the light rail, and the light can be inserted into the socket to create decorative lighting.

Such an illumination rail structure is disadvantageous in that the rail frame is made of metal, and thus the insulation property can be lowered, and it is difficult to process various shapes.

Patent Publication No. 10-2014-0093010 corresponding to the prior art related to the light rail has a rail main body fixedly installed on a ceiling or a wall surface of a room; Both side insulators inserted into the rail body; A rail receptacle inserted into both side insulators; A case body; An illumination lamp coupled to the case body; A lid on which the protrusion is formed; Side engagement wings formed on the case body; A protrusion inserted into the protrusion; And a power supply connection terminal.

This prior art has problems with known illumination rails. The electrical safety of the entire light rail can be improved if the frame for the light rail is made of an insulating material such as a synthetic resin. In addition, due to the excellent processability of the synthetic resin, various shapes or colors can be processed.

The present invention is to propose a new type of illumination rail capable of solving the problems of known illumination rails, and has the following purpose.

Prior Art: Patent Publication No. 10-2014-0093010 (published by Yang Kyung-ho, July 25, 2014)

An object of the present invention is to provide an illumination rail in which a conductive strip is integrally connected to an insulation frame manufactured by extrusion or injection of an insulating material.

According to a preferred embodiment of the present invention, the illumination rails of the insulating frame structure are integrally formed of an insulating material and include a base substrate, a pair of side fixed wall faces extending from the base substrate, An insulating frame formed of a pair of connecting substrates extending in a viewing direction and forming separation intervals; An electrode frame coupled to the insulating frame and formed in the mounting groove; And a conductive strip attached to the attachment groove, wherein the insulation frame is an extruded product or an injection molded product.

According to another preferred embodiment of the present invention, the electrode frame is formed integrally with the insulating frame.

According to another preferred embodiment of the present invention, the conductive strip is a copper-aluminum conductor coated with copper on the aluminum core.

According to another preferred embodiment of the present invention, it further comprises a reinforcing member coupled to the insulating frame or the electrode frame.

The illumination rail according to the present invention allows the entire frame to be made of an insulating material such as synthetic resin such as, for example, PVC, thereby improving electrical safety as a whole. Further, by making the entire frame into an extrusion or injection molding method of synthetic resin, it can be made into various shapes, and at the same time, the productivity can be improved. By making the conductive strip integral with the insulating frame, the overall production process is simplified and the production cost is reduced.

The light rail according to the present invention can be made lightweight by being made of synthetic resin such as PVC or polyethylene as compared with that made of metal such as aluminum, thereby simplifying the handling. In addition, unlike the case where the coating process is performed separately for the metal, it is possible to realize various colors without requiring the coating process, and accordingly, various colors can be produced according to the customer's taste. And the overall structural stability is improved by firmly bonding the metal conductor and the synthetic resin frame.

1A and 1B show an embodiment of a light rail according to the invention.
Figures 2a and 2b respectively show sectional views of a light rail according to the invention.
3 shows an embodiment of a manufacturing process of an electrode unit and an insulation frame applied to a light rail according to the present invention.
4A and 4B show an embodiment in which the illumination rail according to the present invention is applied.
FIG. 5 shows an embodiment of a manufacturing process of a light rail according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

1A and 1B show an embodiment of a light rail according to the invention.

1A and 1B, an illumination rail 10 according to the present invention is integrally formed of an insulating material and includes a base substrate 111, a pair of side surface fixing walls 112 extending from the base substrate 111, And a pair of connection substrates (113) extending in a direction opposite to each other at the ends of the pair of side surface fixing wall surfaces (112) and forming separation intervals; An electrode frame (12) coupled to the insulating frame (11) and formed in the attachment groove (122); And a conductive strip (13) attached to the attachment groove (122), and the insulation frame (11) is an extruded product or an injection molded product.

The light rail 10 may be fixed to the wall surface or the ceiling, or may be inserted into the insulation frame 11, which is fixed to the wall surface, ceiling or other fixture by means of fixing means such as a bracket or a clamp, An electrode frame 12 integrally formed on the insulating frame 11 or formed as a part of the insulating frame 11 and a conductive strip 13 integrally joined to the electrode frame 12. [ And may further include a cover 14, which is coupled to the insulating frame 11 as necessary to prevent the foreign object from entering the inside of the insulating frame 11 of foreign matter.

In this specification, the insulating frame 11 may exclude the electrode frame 12 or may include the electrode frame 12. Specifically, the electrode frame 12 may be formed separately from the insulating frame 11 and coupled to the insulating frame 11, or may be formed as a part of the insulating frame 11 in the process of forming the insulating frame 11. Specifically, the mold for the illumination rail 10 may be a mold for extruding the insulation frame 11 and the electrode frame 12 or for injection molding. The conductive strips 13 are inserted into the molds during the process of extrusion or injection of the illumination rails 10 by the molds so that the conductive strips 13 can be attached to the electrode frames 12 during the molding process of the illumination rails. Through such a process, the electrode frame 12 to which the insulating frame 11 and the conductive strip 13 are attached can be formed by one extrusion or injection molding.

The insulating frame 11 can be made integrally and can be made by extrusion or injection molding, for example, an insulating material such as synthetic resin. The insulating material can be, but is not limited to, for example, polyurethane, polyethylene, polypropylene, polystyrene, polyacrylic, polycarbonate or mixtures thereof. The insulating frame 11 can be made by extruding or extruding such a material. The insulating frame 11 having various shapes can be formed by a metal mold having various shapes. The insulating frame 11 made of such a synthetic resin material instead of a metal material enables a variety of shapes such as a curved surface, and facilitates handling and reduces manufacturing costs. Various decorations are added to the insulating frame 11, and the frame 11 is made electrically stable while being lightweight.

The insulating frame 11 includes a base substrate 111, a pair of side surface fixing wall surfaces 112 extending to face each other from both sides of the base substrate 111, And a connection substrate 113 extending inward of the connection substrate 111.

The base substrate 111 may have a plate shape extending in a straight line shape, but is not limited thereto and may have various shapes and may have a reference portion 111a formed to extend in the longitudinal direction in the center portion. The reference portion 111a may be extended, for example, in such a way that the cross-section made in the form of a concave lens is extended in the longitudinal direction of the base substrate 111, downward or both sides thereof are semicircular, Grooves or dispersed concave portions. The reference portion 111a can be a fixing piece for fixing the light rail 10 to a wall surface, a ceiling or a facility.

The side surface fixing wall surface 112 can be formed from both longitudinal edges in the direction perpendicular to the base substrate 111 and the hooking portion 115 can be formed on the side surface fixing wall surface 112. The pair of side surface fixing wall surfaces 112 may be formed to face each other and the hook portion 115 may be formed in the longitudinal direction while being inwardly recessed in the middle portion. The hook portion 115 can be formed in various shapes as a portion coupled to a clamp or bracket for fixing the light rail 10. For example, the hook portion 115 may have a through hole shape arranged in the longitudinal direction. The hook portion 115 may be formed in various shapes or structures, and the present invention is not limited to the illustrated embodiments.

The connecting substrate 113 may be formed so as to extend in the direction opposite to the inside of the base substrate 111 with the end portions of the side surface fixing wall surfaces 112. [ The connection substrate 113 may extend in parallel with the base substrate 111 and may extend to an appropriate length so as to form an interval between the connection substrates 113 facing each other so that a socket having an illumination light, . Although the base substrate 111, the side surface fixing wall surface 112 and the connection substrate 113 are shown to have a planar shape in the illustrated embodiment, the present invention is not limited thereto. For example, the base substrate 111 may have a curved shape with a large radius of curvature and may be formed to have a plurality of wrinkle structures in the longitudinal direction. Further, the connection board 113 can be made in a structure in which the concave curved surface or the convex curved surface and the plane are continuous. As described above, the base substrate 111, the side surface fixing wall surface 112, and the connection substrate 113 can have various geometries, and the present invention is not limited to the illustrated embodiments.

The electrode frame 12 may be separately formed and fixed to the insulating frame 11 or may be formed together in the process of forming the insulating frame 11 as described above. The electrode frame 12 may extend in a direction perpendicular to the side surface fixing wall surface 112 by the side surface fixing wall surface 112, the base substrate 111, or the connection substrate 113. In the process of forming the electrode frame 12, the fixed blade 121 and the attachment groove 122 may be formed. At the same time as the attachment groove 122 is formed, the electrode strip 13 can be inserted into the attachment groove 122. As described above, according to the present invention, the insulation frame 11 is extruded or injected into a synthetic resin material so that the lighting rail 10 can be formed in one process. Alternatively, if the electrode frame 12 is separately formed, a fixing portion may be formed on the side surface fixing wall surface 112 as needed. As described above, according to the present invention, since the illumination rail 10 is made of a synthetic resin material, it can be manufactured in various shapes to simplify the production process.

The conductive strips 13 can be fixed to the attachment grooves 122 and the attachment of the conductive strips 13 can be done in various ways. The conductive strips 13 may be attached to the attachment grooves 122 by squeezing the upper portions of the attachment grooves 122 while being supplied in the manufacturing process. In this process, the upper portions of both wall surfaces forming the attachment grooves 122 are pressed and fixed, thereby fixing the conductive strips 13. As described above, the conductive strips 13 may be inserted into the attachment groove 122 during the extrusion process of the electrode frame 12. The electrode frame 12 may be made of the same or similar material as the insulating frame 11 and may be formed of a synthetic resin material such as, for example, polyvinyl, polyethylene or polyacryl, And the conductive strip 13 can be inserted into the extrusion mold. An adhesive may be applied to the surface of the conductive strip 13 that is in contact with the bottom surface of the attachment groove 122, if necessary. In this way, the conductive strips 13 attached to the attachment grooves 122 can be fixed in a predetermined position, meaning that the integral type conductive strips 13 are not moved from the predetermined positions of the attachment grooves 122 do. Thus, the conductive strips 13 integrally attached to the electrode frame 12 make the illumination rail 10 structurally stable while improving the productivity of the illumination rail 10.

The fixed blade 121 may be attached to the side surface fixing wall surface 112 of the insulating frame 11 or may be integrally formed. The fixed wing 121 may be formed of a linear extending portion and a curved extending portion which extend from the mounting groove 122 to face each other. The linear extending portion allows the electrode frame 12 to extend in a predetermined direction and the curved extending portion has elasticity or stretchability in a state where the electrode frame 12 is coupled to the insulating frame 11. [ Such elasticity or stretchability may have a function of compensating for shrinkage or expansion error according to manufacturing error or temperature of the insulating frame 11 or the socket. The fixed blade 121 has an arbitrary structure that allows the electrode frame 12 to move while being stretchable or resiliently vertical to the side surface fixing wall surface 114 in a state where the electrode frame 12 is engaged at a predetermined position of the insulating frame 11 And the present invention is not limited to the embodiments shown.

A lid 14 may be provided on the illumination rail 10 according to the present invention. The sockets can be coupled to the illumination rails such that both electrodes of the plurality of sockets contact the opposing conductive strips 13 attached to the electrode frame 12 coupled to the insulating frame 11. [ The plurality of sockets may be inserted and fixed at a separation interval formed between the connection boards 113, and an open space may be formed between the sockets. The foreign matter may be introduced into the interior space of the lighting rail 10 through the open space thus formed. The lid 14 may have a function of sealing such an open space. 1B, the lid 14 may be composed of the sealing portion 141 and the engaging portion 142, and the engaging unit may be made of a structure capable of sliding engagement or fitting engagement at the end portion of the connecting substrate 113 . As shown in FIG. 1B, the lid 14 can be formed as a partial lid structure to be coupled to each other with reference to the engagement hole LH to which the socket is coupled, and a socket is coupled to the engagement hole LH, The sealing portions 141 may be connected to each other to form a single lid 14. The lid 14 can be made of a material such as heat-resistant synthetic resin, but is not limited thereto.

A lid 14 having various structures can be installed in the illumination rail 10 according to the present invention and the present invention is not limited to the embodiments shown.

Figures 2a and 2b respectively show sectional views of a light rail according to the invention.

Fig. 2 (a) is a cross-sectional view of the electrode frame, and Fig. 2 (b) is a cross-sectional view of the electrode frame coupled to the insulating frame.

Referring to FIG. 2A, the inside of the lighting rail can be sealed from the outside by the cover. The sealing portion 141 of the cover may be plate-shaped, and may be made of the same or similar insulating material as the insulating frame. The joining portion 142 may have a groove shape in which an end portion of the connecting board 113 is inserted and may be made to have a structure in which the lid can be engaged or detached in a sliding manner or a detent fit manner with respect to the insulating frame.

Referring to (B) of FIG. 2B, the side surface fixing wall surface 112 may have a hook portion 115 at an outer portion thereof and a flat surface at an inner surface thereof. The fixed blade of the electrode frame has a linear portion 121a extending in parallel to the lower side of the attachment groove 122, a curved portion 121b extending in a curved shape from the linear portion 121a, And a joining portion 121c to be formed. As described above, the electrode frame can be extruded together in the process of extruding the side surface fixing wall surface 112.

The side surface fixing wall surface 112 can be formed into various shapes, and the electrode frame can be formed into various shapes according to the extrusion mold.

Referring to FIG. 2B, the conductive strip 13 may be attached to the attachment groove 122. The conductive strips 13 can be various kinds of conductive materials and can be, for example, copper aluminum coated with copper on an aluminum core. The conductive strips 13 of the copper aluminum material reduce the manufacturing cost of the conductive strips 13 while reducing the weight of the conductive strips 13. The copper sheath can not be, for example, 0.5 to 10% of the total thickness, but can be determined as appropriate depending on the frequency of the power supplied. The conductive strips 13 can be made of a variety of conductive materials and the present invention is not limited to the embodiments shown.

Referring to FIG. 2B, in the side surface fixing wall surface 112, the hook portion 115 may be formed into a shape protruding inward. And the electrode frame 12 may be formed so as to protrude from both sides of the protruded shape. The shape of the hooking portion 115 as described above ensures that the insulating frame has stability against vibration or external impact. As such, the side surface fixing wall surface 112 or the electrode frame can be formed in various shapes, and the present invention is not limited to the illustrated embodiments.

FIG. 3 shows an embodiment of a manufacturing process of the electrode unit CP and the insulation frame LR applied to the illumination rail according to the present invention.

Referring to FIG. 3 (a), the lighting rail 10 according to the present invention can be made in one process step by an extrusion molding unit. The extrusion molding unit includes an extrusion cylinder 351 through which chips or molten synthetic resin are supplied from the hopper, a movable screw 352 rotatably installed inside the extrusion cylinder 351, an operation of the movable screw 352 A pressure cylinder 341 for applying pressure to the extrusion cylinder 351 and a molten synthetic resin which is provided in front of the extrusion cylinder 351 and is moved by the moving screw 352 An extrusion nozzle 354 for injecting the extrusion nozzle 35 into the extrusion mold 36 and a backflow prevention valve 353 provided above the extrusion nozzle 354 for preventing backflow from the extrusion nozzle 354.

The synthetic resin is injected from the extrusion cylinder 351 into the extrusion mold 36 and at the same time the conductive strips CS1 and CS2 can be inserted into the extrusion mold by the strip supply unit. The conductive strips CS1 and CS2 can be injected into the extrusion mold in a tension-controlled state by tension control units 321, 322 and 323 such as rollers. As the pair of mold strips CS1 and CS2 are inserted into the extrusion mold 36, the conductive strips CS1 and CS2 are attached to the insulating frame simultaneously with the molding of the insulating frame, So that the light rail LR can be manufactured.

The extrusion mold 36 may have a shape in which the insulating frame and the electrode frame are simultaneously molded and the conductive strips CS1 and CS2 may be inserted into a predetermined position of the electrode frame while being inserted into the extrusion mold 36. [ The preliminary illumination rail 10a can be made by the extrusion mold 36 like this. The preliminary light rail 10a may have a shape in which the insulating frame, the electrode frame and the conductive strip are combined and the preliminary light rail 10a may have a cross section as shown above the extrusion mold 36. [ The preliminary illumination rail 10a can be introduced into the sizing unit 37 and the sizing unit 37 can apply pressure to the preliminary illumination rail 10a to fix the shape. The sizing unit 37 may have the same cross section as the illumination rail 10a as shown below. The spare illumination rail 10a can be made of the illumination rail 10 via the sizing unit 37. [ Thereafter, the illumination rails 10a can be cut into a predetermined length and made into a product. The illumination rail 10 according to the present invention can be manufactured through one process step by one extrusion mold.

The reinforcing member may be coupled to the illumination rail in the manufacturing process or as required after manufacture. The reinforcing member may be made of a hard material, such as, for example, metal, polyurethane or polycarbonate, and may be bonded to an insulating frame, electrode frame or other suitable location. The reinforcing member may be inserted into the mold in the extrusion molding process or may be separately joined after the illumination rail 10 is formed. The reinforcing member may have a rod shape or a rod shape, a ring shape, or a circular or polygonal plate shape. The reinforcing member can be formed in various shapes and can be coupled to the illumination rail 10 according to the present invention.

Various manufacturing apparatuses can be applied to the extrusion or injection of the illumination rails according to the present invention, and the present invention is not limited to the embodiments shown.

The illumination rail according to the present invention can be fixed to the ceiling or the wall surface by the clamp unit.

4A and 4B show an embodiment in which the illumination rail according to the present invention is applied.

4A, the fixing clamp 40 includes an engaging fixing surface 41 formed with a fastening hole 411, a frame engaging surface 42 extending from the engaging fixing surface 41, a frame engaging surface 42, Fixing means 421 and 422 for fixing the rail 10 and a hook surface 423 formed at the end of the frame engaging surface 42. [ The hook surface 423 is coupled to the hook portion 115 described above to fix the light rail 10 to the fixed clamp 40 and can be made in various structures depending on the shape of the hook portion 115. [

The fixing clamp 40 can be made in various structures depending on the shape of the illumination rail 10. Also, the lighting rails can be installed directly on the ceiling or on the wall without the use of the fixing clamps 40. Therefore, the illumination rail 10 according to the present invention is not limited by whether it is fixed by the fixing clamp 40 or the hook portion 115 is formed.

4B, a socket 46 may be coupled to the illumination rail 10 and may be formed in the lighting fixture 47 in the socket 46. [ Sockets 46 may be movably coupled along the illumination rail 10 and a plurality of the sockets 46 may be disposed along the illumination rail 10. Various types of sockets 46 may be coupled to the light rail 10 according to the present invention and the present invention is not limited to the embodiments shown.

FIG. 5 shows an embodiment of a manufacturing process of a light rail according to the present invention.

Referring to FIG. 5, the illumination rail according to the present invention includes a step (P51) of preparing a frame mold; Preparing a conductive strip (P52); A step (P53) of forming an insulating frame and an electrode frame by a frame mold while simultaneously attaching a conductive strip to the electrode frame; (P54) a step S5 of pressing the insulating frame molding with the pair of conductive strips to stabilize the overall shape of the molding while at the same time attaching the conductive strip to the mounting groove stably; And cutting the finished light rail to a predetermined length through sizing (P55).

The light rail can be made, for example, by a synthetic resin such as polypropylene, polyvinyl chloride, polyethylene or polycarbonate. The mold for forming the frame may be a mold for molding the insulation frame and the electrode frame. When the frame mold is ready (P51), the conductive strip can be prepared (P52).

The conductive strips can be made of various types of conductive materials and can be made of coplanar aluminum as described above. The conductive strip may be supplied by a suitable input unit and may include, for example, a tension adjustment roller, a supply reel or a support unit. When the conductive strip is ready (P52), an extrusion or injection molding material such as a synthetic resin material may be injected into the frame mold and extruded (P53). The extrusion molding material may be prepared, for example, in the form of a chip and may be extruded or injected into an injection mold by a suitable feeding device. At the same time, the conduction strip can be injected into an extrusion or injection mold. And the light rail moldings can be made by extrusion or injection. The conductive strip may be in an attached state to the injection or extrudate and may be firmly attached to the molding by the pressing process of the molding. When the conductive strip is fixed to the mounting groove and the molding has a predetermined shape, the molding can be sized and the shape of the light rail can be fixed (P54). The product can then be cut to the appropriate length (P55).

The illumination rails according to the invention can be made in a variety of ways and the invention is not limited to the embodiments shown.

The illumination rail according to the present invention allows the entire frame to be made of an insulating material such as synthetic resin such as, for example, PVC, thereby improving electrical safety as a whole. Further, by making the entire frame into an extrusion or injection molding method of synthetic resin, it can be made into various shapes, and at the same time, the productivity can be improved. By making the conductive strip integral with the insulating frame, the overall production process is simplified and the production cost is reduced.

The light rail according to the present invention can be made lightweight by being made of synthetic resin such as PVC or polyethylene as compared with that made of metal such as aluminum, thereby simplifying the handling. In addition, unlike the case where the coating process is performed separately for the metal, it is possible to realize various colors without requiring the coating process, and accordingly, various colors can be produced according to the customer's taste. In addition, the metal conductor and the synthetic resin frame are firmly connected to each other to improve the overall structural stability.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

10: light rail 10a: spare light rail
11: Insulation frame 111: Base board
111a: Reference portion
112: side surface fixing wall 113: connection substrate
115: Hook portion
12: Electrode frame
121: fixed wing 121a: linear portion
121b: curved surface portion 121c:
122: Attachment groove
14: Cover
141: sealing part 142: engaging part
342: drive device 351: extrusion cylinder
352: Moving screw 353: Reverse flow prevention valve
354: Extrusion nozzle
36: extrusion mold 37: sizing unit
40: Fixing clamp
41: engaging fixing surface 411: fastening hole
42: frame coupling surface 423: hook surface

Claims (4)

And includes a base substrate 111, a pair of side surface fixing wall surfaces 112 extending from the base substrate 111, and a pair of side surface fixing wall surfaces 112 extending in directions opposite to each other at the ends of the pair of side surface fixing wall surfaces 112. [ An insulating frame 11 formed of a pair of connecting substrates 113 forming a separation space while being separated from each other;
An electrode frame (12) coupled to the insulating frame (11) and formed in the attachment groove (122); And
And a conductive strip (13) attached to the attachment groove (122)
Wherein the insulating frame (11) is an extrusion molded product or an injection molded product. The lighting rail according to claim 1, wherein the electrode frame (12) is formed integrally with the insulation frame (11). The light rail of claim 1, wherein the conductive strip (12) is a copper aluminum conductor coated with copper on an aluminum core. The light rail of claim 1, further comprising a reinforcing member coupled to the insulating frame (11) or the electrode frame (12).

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