EP0675575A1 - Ligne basse reusion - Google Patents

Ligne basse reusion Download PDF

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Publication number
EP0675575A1
EP0675575A1 EP95101146A EP95101146A EP0675575A1 EP 0675575 A1 EP0675575 A1 EP 0675575A1 EP 95101146 A EP95101146 A EP 95101146A EP 95101146 A EP95101146 A EP 95101146A EP 0675575 A1 EP0675575 A1 EP 0675575A1
Authority
EP
European Patent Office
Prior art keywords
low
insulator
profile
power line
voltage power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95101146A
Other languages
German (de)
English (en)
Other versions
EP0675575B1 (fr
Inventor
Jochen Bruck
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.)
Bruck GmbH and Co KG
Original Assignee
Bruck GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bruck GmbH and Co KG filed Critical Bruck GmbH and Co KG
Publication of EP0675575A1 publication Critical patent/EP0675575A1/fr
Application granted granted Critical
Publication of EP0675575B1 publication Critical patent/EP0675575B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R25/147—Low voltage devices, i.e. safe to touch live conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/08—Connectors or connections adapted for particular applications for halogen lamps

Definitions

  • the invention relates to a low-voltage power line according to the preamble of claim 1.
  • Low-voltage power lines according to the invention form in particular the current-carrying assembly of a system which, depending on the number and type of its accessories, consists of a plurality of current consumers and, if appropriate, a transformer which transforms the mains voltage into the low-voltage range.
  • the low-voltage power line according to the invention is preferably the power supply to a lighting system, the lights of which are equipped with halogen lamps. Such systems are used over large areas, e.g. Ceilings laid to illuminate the room itself or certain objects in the room.
  • the low-voltage power line according to the invention takes on the function, in addition to the power supply, of absorbing the loads which are directly connected to them, in particular by their weight.
  • the lighting systems mentioned above are essentially the suspensions of the lights.
  • the low-voltage power line according to the invention develops its greater load-bearing capacity in the direction of the longer axis of the rectangular cross-section, which therefore coincides with the y-axis in space. If the system is suspended from a ceiling, the longer sides of the cable cross section run vertically.
  • the metal fabric belts forming the current phases of such a system are electrically separated by the insulator, but by fastening them to the insulator form a material composite in which the dielectric strength of the insulator is improved by the metal belts.
  • the metal fabric tapes have a relatively small thickness, but offer a comparatively low electrical resistance. They can therefore be fully connected to the insulator, for example glued.
  • Such low-voltage power lines for lighting systems are known per se (DE-GM 89 12 824).
  • the power line forms a flexible band on all sides.
  • the insulator has an outline determined by rectangular areas, on the longer sides of which the metal fabric tapes are fastened, the edges of which are therefore exposed and protrude from the outline of the insulator.
  • the current band is flexible and must therefore be fixed at both ends and held in an upright position with an insulating clamp at one end.
  • the twist resistance of this tape is still comparatively low. This requires high tensile forces to unclamp the line. Nevertheless, the cantilever belt lengths are small. Heavy accessories, such as luminaires arranged in close proximity, require a large number of tape carriers.
  • the straight course of the tape is generally predetermined. If, due to local conditions, the system requires curved belt sections that are angled against one another in the plane of the system, the belt must be guided through braced curve sections in the curvature or angle vertices. This severely limits the design options of
  • the known low-voltage power line is also not suitable for extensive lighting systems because it only has two current phases. Because with such systems, such a large number of electricity consumers required that the exposed metal fabric tapes are no longer safe to touch.
  • a profile is created by the profiling and the shape selected according to the invention, which rail is in the horizontal spatial plane, i.e. elastic in the x-direction, but in the vertical plane, i.e. is rigid in the y-direction of the profile. It can be installed between its beams without tension and cannot be tilted. The previously required guy lines and insulation clamps are no longer required. Since the profile is also slim in its y-axis, it can be curved in the x-direction according to relatively narrow radii without buckling and tilting. As a result, arcuate belt sections are possible, in which the curvature also brings about an increased form resistance, which is why such arch sections do not require any guying.
  • the profiling of the rail is also selected so that the metal strips no longer protrude laterally from the cross section of the insulator, but are sunk into the profiled side surfaces. This covers the edges of the metal strips and their connections to the insulator. Therefore, the metal straps are static, so that the low-voltage busbar is also able to withstand heavy loads According to the invention, the buckling stresses are removed practically without deformation.
  • the invention has the advantage that the profile of the insulator can be produced from a uniform plastic using common molding processes, for example by extrusion.
  • the fastening of the metal fabric bands can optionally be included in the shaping process after the extruded profile has cooled.
  • the profile of the insulator is symmetrical.
  • the symmetry of the profile shifts the center of gravity of the profile into the center of the belt and therefore has the advantage that the canting security is increased.
  • each metal fabric band can be assigned its own profile chambers and the number of metal fabric bands can be increased to a number divisible by two.
  • Such a low-voltage power line has the advantage that it can be used for several systems which can each be switched, the current phases of which must be reliably isolated from one another.
  • the number of current phases in the insulator is basically arbitrary. In practice, however, only a limited number of current phases are required, usually two systems being sufficient, so that there are four metal fabric strips and two double-T profiles for the overall profile of the insulator. For these cases, the dimensions reproduced in claims 4 and 5 are preferably provided and result in a band which is sufficiently resistant to bending and resistant to kinking or jamming.
  • the double-T profile cross sections also have the considerable advantage that they form profile chambers on both sides, which can be used for the laying of the metal fabric strips. These embodiments are the subject of claim 6.
  • the metal fabric tapes should preferably be accommodated with the features of claim 8. Since the strips with their cross-section are fully sunk into the profile chambers, there is practically no risk of short-circuiting due to the insulating profile flanges.
  • the profile of the insulator rail can be traced back to a shape which is described in claim 9. Because of their simple shape, such embodiments of the invention can also be produced more easily than more complicated shapes.
  • the insulator rail can be made of plastic according to proven techniques of plastic molding, which is the subject of claim 10.
  • the plastic is extruded and the insulator forms a basically endless belt that can be provided with the metal fabric belts in a production line.
  • the choice of plastic is primarily based on dielectric aspects, but can also be based on the external appearance and therefore have the features of claims 10 and / or 12.
  • the laying of the low-voltage power line according to the invention requires accessories which, on the one hand, permit secure attachment of lights and, on the other hand, fasteners which connect the low-voltage power line to a building surface, preferably a building ceiling or wall, and the power supply line from a suitable power source also requires accessories.
  • the invention provides one or more adapters as accessories according to claims 13 to 21.
  • the basic form of the adapter, which is described in claim 13, is in several parts and connects the adapter frictionally with the low-voltage power line, so that it can be provided at any point on the power line. In this way, luminaires that are connected to the power line by the adapter can also be attached to changing points on the power line. The same applies to the carrier, if necessary attached and their attachment can also be changed.
  • the adapter is used as a cable connection, it is preferably equipped with the features of claim 14. Then the metal fabric tapes and the contact springs used for current discharge or supply are located in the insulator housing and are therefore safe to touch. This can be further improved with the features of claim 15, because this results in a simplified non-positive connection of the adapter to the low-voltage power line according to the invention.
  • the individual parts of the adapter required for this can be produced in a simple manner if the features of claims 16 and optionally 17 are realized.
  • the housing also consists of a rotationally symmetrical structure and the parts can be injection molded or twisted off in a simple manner.
  • the low-voltage power line generally designated 1 in FIG. 1, has an insulator 2 and metal fabric strips 3, 4 and 5, 6 on both broad sides of the insulator. These each carry a current phase in the lighting system shown in FIG. 3. They are attached to the broad sides of rectangular cross sections of the insulator 2.
  • the insulator has a multi-flanged profile which is slim in its y-axis, which is the main axis of the profile.
  • the metal strips are housed in profile chambers 7 to 10. These are delimited by rectangular cross sections 11, 12 and profile flanges 14 to 16 and are open to the outside.
  • the profile of the insulator 1 is mirror-symmetrical to the main axes x and y. Its profile outline is composed of two double-T profiles 17, 18, which are fused together. The two profiles are combined on their mutually facing flanges in the flange 15 and thus form a structural unit.
  • the ratio of the largest profile width b to the profile height h is around 5:30.
  • the thickness d of the essentially rectangular flanges 14 to 16 of the two double-T profiles 17, 18 is approximately 3: 4 in comparison to the thickness e of the profile belt 19.
  • the metal fabric tapes are with their sides assigned to the rectangular cross sections 11 and 12 with the this associated profile wall of the profile chambers 7 to 10 glued. Their longitudinal edges, which appear in the side view according to FIG. 2 for the metal fabric tape 5 at 20 and 21 and for the metal fabric tape 6 at 22 and 23, do not lie on the undersides of the profile flanges and can therefore be easily glued in the profile chambers.
  • the lighting system shown in FIG. 3 is, however, only a single system, ie the transformer 28 is connected to the external metal fabric belts 5, 6 and 4, 3 by means of a double clamp 29.
  • the internal metal fabric tapes are not used in the system according to FIG. 3, but would, when used for a second system, require a second transformer which is connected in an electrically conductive manner to the internal metal fabric tapes with a corresponding clamp.
  • the current-carrying metal fabric bands 5, 6 of the system conduct the current to an adapter 30, which feeds a lamp 32 via a suspension 31.
  • the electrically conductive connection of the adapters to the current-carrying metal fabric bands 5, 6 is possible by simple contact springs that cover the distance between the adapter and the outer edges 32, 33 of the profile chamber walls bridge essentially aligned metal fabric bands.
  • the central web consisting of the rectangular cross sections 11, 12 separates the metal fabric bands 3, 4 and 5, 6 of the two systems and the central flange 15 the metal fabric bands 3, 4 and 2, 6 of the two systems are electrical. These are therefore safe to roll over.
  • the embodiment of the rail of the insulator 2 shown on the outer flanges 14 and 16 without the metal fabric strips next to the adapter 35 in contrast to the embodiment according to FIG. 1, has convex (convexly curved) back surfaces 36, 37.
  • the adapter 35 has an insulator which is designed as a housing 38 which surrounds the insulator rail 2.
  • the housing is provided with a clamp 39 at its upper end in FIG. 4, which is provided for releasable attachment to the insulator rail 2.
  • connection 40 is provided for the electrical connection of the housing to a current-carrying carrier, which is not shown, but is designed, for example, as a coaxial cable that is also used to supply current to the metal fabric tapes, not shown, of the insulator rail 2, or to conduct current and pass it on Low voltage light shown serves.
  • capped contact springs 41, 42 are provided for the electrical connection to the metal fabric strips.
  • the contact springs have curved contacts 43, 44 and are parallel to the housing axis 45 and arranged one above the other with their contacts.
  • the lower ends of the contact springs sit on a base 46, the lower contact spring 42 being electrically separated from the metallic base with an insulating washer 47.
  • the base 46 has a flange 48 with which the lower end of the upper contact spring 41 is clamped with a screw cap 49.
  • the base 46 forms a structural unit with a socket 50 and is provided with an external thread 51.
  • the further connection parts for a coaxial cable are omitted in the illustration in FIG. 4, since they are known per se. They essentially consist of a socket 55 for receiving the coaxial inner conductor and a screw connection of the coaxial outer ring conductor to the socket 50.
  • the housing has an axial slot 56 for receiving the insulator rail, which slot passes through the housing cylinder 57.
  • the inner end 58 of the slot 56 is curved in accordance with the curvature 37 of the insulator rail 2 in order to bring about a positive connection therewith.
  • the crown 37 of the insulator rail is supported on the curve 58 as soon as the clamp 39 is closed.
  • the housing 38 consists of a hollow cylinder 57, it surrounds the current-carrying contact springs and metal fabric strips.
  • the clamp 39 and the connection 49 are rotationally symmetrical about the cylinder axis 45.
  • the outer cylindrical surface 59 of the housing 38 is aligned with an outer cylindrical surface 60 of the screw cap at the connection 49 and an outer cylindrical surface 61 Terminal 39, which is formed by a screw cap 62. This results in a smooth outer shape of the adapter 39.
  • the screw cap has a hollow cylinder 63 which is provided with an internal thread and whose inner ring surface 64 is supported on the crowning 36 of the insulator rail 2 inserted into the slot 56. This is held in the slot 56 in a force-locking manner.

Landscapes

  • Insulators (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electronic Switches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Rectifiers (AREA)
  • Tents Or Canopies (AREA)
EP95101146A 1994-03-23 1995-01-27 Ligne de courant basse tension Expired - Lifetime EP0675575B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9404914U DE9404914U1 (de) 1994-03-23 1994-03-23 Niedervolt-Stromleitung
DE9404914U 1994-03-23

Publications (2)

Publication Number Publication Date
EP0675575A1 true EP0675575A1 (fr) 1995-10-04
EP0675575B1 EP0675575B1 (fr) 2000-04-05

Family

ID=6906385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95101146A Expired - Lifetime EP0675575B1 (fr) 1994-03-23 1995-01-27 Ligne de courant basse tension

Country Status (5)

Country Link
EP (1) EP0675575B1 (fr)
AT (1) ATE191587T1 (fr)
DE (2) DE9404914U1 (fr)
DK (1) DK0675575T3 (fr)
ES (1) ES2144062T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1376780A1 (fr) * 2002-06-26 2004-01-02 Bruck Lighting Systems, Inc. Ligne de courant à basse tension

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19931757B4 (de) * 1999-07-08 2008-07-10 Briloner Leuchten Gmbh Niedervoltstromschienensystem für Leuchten
DE10017484C2 (de) * 2000-04-07 2003-10-02 Ralf Wieduwilt Niederspannungs-Verteilungssystem
DE102014103974A1 (de) * 2014-03-24 2015-09-24 Alanod Gmbh & Co. Kg Stromschiene zum Anschluss von Leuchtdioden

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2027501A1 (fr) * 1969-01-03 1970-10-02 Comp Generale Electricite
US3559149A (en) * 1968-10-29 1971-01-26 Jack L Shagena Jr Electrically wired baseboard
US3708608A (en) * 1971-01-20 1973-01-02 D Wyman Electric power cord and method of making
DE8814659U1 (fr) * 1988-11-24 1990-03-22 Kania, Martin, 5810 Witten, De
DE9004781U1 (fr) * 1990-04-27 1990-07-05 Staff Gmbh & Co Kg, 4920 Lemgo, De
DE9109687U1 (fr) * 1991-08-05 1992-02-06 Lange, Andre, 5100 Aachen, De

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559149A (en) * 1968-10-29 1971-01-26 Jack L Shagena Jr Electrically wired baseboard
FR2027501A1 (fr) * 1969-01-03 1970-10-02 Comp Generale Electricite
US3708608A (en) * 1971-01-20 1973-01-02 D Wyman Electric power cord and method of making
DE8814659U1 (fr) * 1988-11-24 1990-03-22 Kania, Martin, 5810 Witten, De
DE9004781U1 (fr) * 1990-04-27 1990-07-05 Staff Gmbh & Co Kg, 4920 Lemgo, De
DE9109687U1 (fr) * 1991-08-05 1992-02-06 Lange, Andre, 5100 Aachen, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1376780A1 (fr) * 2002-06-26 2004-01-02 Bruck Lighting Systems, Inc. Ligne de courant à basse tension

Also Published As

Publication number Publication date
DK0675575T3 (da) 2000-08-28
DE59508111D1 (de) 2000-05-11
DE9404914U1 (de) 1994-08-04
ATE191587T1 (de) 2000-04-15
ES2144062T3 (es) 2000-06-01
EP0675575B1 (fr) 2000-04-05

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