EP0346348B1 - Agencement conducteur de courant - Google Patents

Agencement conducteur de courant Download PDF

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Publication number
EP0346348B1
EP0346348B1 EP88901244A EP88901244A EP0346348B1 EP 0346348 B1 EP0346348 B1 EP 0346348B1 EP 88901244 A EP88901244 A EP 88901244A EP 88901244 A EP88901244 A EP 88901244A EP 0346348 B1 EP0346348 B1 EP 0346348B1
Authority
EP
European Patent Office
Prior art keywords
current
current conductor
conductors
rod
conductor
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.)
Expired - Lifetime
Application number
EP88901244A
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German (de)
English (en)
Other versions
EP0346348A1 (fr
Inventor
Horst Lettenmayer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88901244T priority Critical patent/ATE68635T1/de
Publication of EP0346348A1 publication Critical patent/EP0346348A1/fr
Application granted granted Critical
Publication of EP0346348B1 publication Critical patent/EP0346348B1/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

Definitions

  • the invention relates to a current conductor arrangement in the form of a current conductor rod which has at least two metallic current conductors which are freely accessible for contacting and insulated by an insulating material, and whose cross-sectional area consists of at least 50% of the material of the current conductors.
  • a current conductor arrangement which has grooves or recesses, in each of which a metal strip with a small cross-sectional area is inserted.
  • Contacts of the electrical consumers, which are attached to the conductor bar are in electrical contact with the metal strips in the groove of the conductor bar for current transmission.
  • An axial displacement of the consumer contacts on the conductor rail is possible, but not a rotation of the electrical consumer on the outer circumference of the conductor rod, since the electrical contact of the consumer is inserted into the groove or grooves having the metal strip and thus the conductor.
  • due to the metal strip having a small cross section only small current intensities can be used with the known current conductor arrangement.
  • a current conductor arrangement which has partial rails between which an insulating body is provided.
  • This insulating body has two ribs which project over the circumferential line of the partial rails.
  • the two ribs are absolutely necessary. If they were not present, a short circuit would occur when the contact element is twisted that the lamp attached to the contact element is powered.
  • Another function of the intermediate insulation layer protruding in the form of ribs over the circumferential line of the circular sections is to achieve a switch-on and switch-off function.
  • the protruding ribs necessary to prevent a short circuit have the disadvantage that the contact parts with which the lamps are fastened to the busbar and via which the electrical conduction between the lamp and the busbar takes place are not uniform over the entire circumference of the busbar can be rotated without the protruding ribs affecting both the mechanical strength of the clamp seat and the electrical contacting of the lamp with the current conductor.
  • the contact surfaces of the lamps are not defined by the ribs provided on the current conductor on the current conductor rod, but the contact is made only over a small area of the contact surfaces of the lamp, so that the contact line cross section is small.
  • the contact area between the contact surface of the lamp and the partial rail is limited to the edges of the polygon.
  • the contact transition cross section between the lamp contact and the outside of the conductor is also small, so that small transition cross sections and thus high contact resistance and high Current densities occur which can lead to sparking and burn-in when the contact element is rotated.
  • the invention is therefore based on the object to create a conductor arrangement that allows great flexibility in the attachment, alignment and adjustment of electrical consumers, for example of lighting fixtures, with the simplest manufacture, handling and assembly, and in particular ensures a secure mechanical and electrical connection over the entire circumference of the conductor without twisting the contact elements there is a risk of a short circuit.
  • the object is achieved in that the insulating material and the material of the current conductor form a surface of the current conductor rod that is circular in cross-section, and that the freely accessible peripheral surfaces of the current conductor each have a circumferential angle have, which is smaller than the circumferential angle of the insulating circumferential surfaces.
  • the present invention it is possible to attach and adjust electrical consumers, which - as will be described in more detail below - to the conductor bar, on the conductor bar surface not only axially but also in terms of angle of rotation as desired.
  • the freely accessible peripheral surfaces of the current conductors each have a peripheral angle that is smaller than the peripheral angle of the insulating peripheral surfaces. In this way it is ensured that when a retaining clip is rotated around the conductor bar there is no short circuit and an on and off effect occurs in that the contact surfaces of the clip are brought into and out of contact with the conductor of the conductor bar.
  • the current conductor arrangement according to the invention is intended in particular for the low-voltage range. Simple retaining clips can be used for fastening, which are either themselves electrically conductive or have internal contact surfaces for making contact with the current conductors of the current conductor rod.
  • the conductor bar consists of at least 80% of the material of the conductor. In this way, the conductor bar is used even better to conduct high currents. Due to this high metal content, the current conductor arrangement is therefore also able to withstand high loads in the low-voltage range.
  • the freely accessible current conductor peripheral surfaces and the peripheral surfaces of the insulating material alternate with one another around the circumference of the current conductor rod.
  • the design of the cross-sectional shape of the current conductors within the current conductor rod can be selected depending on the given circumstances or the conditions that occur. It is particularly advantageous to manufacture the current conductor rod from segments or sub-segments of the current conductor and insulating material that alternate over the circumference.
  • the freely accessible peripheral surfaces of the current conductors each have a peripheral angle that is smaller than the peripheral angles of the insulating peripheral surfaces.
  • the current conductor rod can also be in a curved shape, the metallic current conductors being arranged in the inner and outer radius of curvature.
  • the metallic current conductors therefore form the tension and compression band in the case of a bent current conductor rod.
  • the material of the current conductor is pressed with the insulation material. In this way, an intimate connection of the conductor metal results with simple manufacture with the insulation material.
  • the current conductor bar according to the invention can be cut to length by the user himself, depending on his wishes.
  • the conductor bars can be coupled together by simple assembly on the cut side.
  • the surface of the conductor bar is preferably finely ground.
  • the current conductor arrangement according to the invention is suitable not only as a conductive element, that is to say as a current conductor, but also as a load-bearing element for a wide variety of uses.
  • the current conductor rod according to the invention can be used as a supporting and conductive element for current flow and lighting systems at the same time, for example in the form of tripod rods, gallery rails, decorative elements, shelf and support elements, as a light rail, etc.
  • the conductor bar can also be used as a supporting sliding element for.
  • Transfer lines can be provided as a carrier rail for modern pneumatic tube systems, as a current conductor for galvanic systems or as a contact rail in the laboratory area, in particular for connecting low-voltage units.
  • the current conductor rod is also possible to additionally use the current conductor rod as a signal or alarm line for high-frequency signals, for example alarm signals, which are modulated onto the carrier voltage. Due to the simple, stable and for the user a wide variety of construction, it is possible to provide the current conductor arrangement according to the invention practically unlimited for a wide variety of applications.
  • electrical loads such as lighting fixtures, fans, motors, clocks, winches, electrical components, etc.
  • the retaining clips having internal contact surfaces which connect the current conductors of the current conductor rod to the electrical supply to the consumer Are in contact.
  • the retaining clips can be easily locked by snapping them vertically onto the conductor bar, whereby without loosening a screw, both a mechanically and electrically firm connection between the conductor bar and the retaining clip is guaranteed and, on the other hand, axial displacement or rotation of the clip is possible .
  • a further embodiment of the invention consists in the fact that connecting devices are provided which mechanically and electrically connect two current conductor rods, each having two current conductors. In this way it is possible to extend the current conductor as desired.
  • the connecting devices each consist of two electrically conductive elements, each of which can be screwed to a current conductor, the elements not being in contact with one another. Since the individual current conductors should remain electrically insulated even when a current conductor rod is continued, the connecting devices are therefore designed such that one element always connects only the corresponding two current conductors of two current conductor rods.
  • the electrically conductive elements are cylinder segments whose inner radius of curvature is essentially equal to the radius of the current conductor rod. In this way, sleeve-like connecting devices result, in which the current conductor rods have a firm hold have and are reliably electrically connected.
  • the segment angles of the cylinder segments are preferably less than 180 ° in order to prevent the cylinder segment-shaped elements from touching after assembly.
  • the electrically conductive elements are angle connector elements, the legs of which are to be connected to the current conductors have the shape of a cylinder segment, the inner radius of curvature of which is substantially equal to the radius of the current conductor rod.
  • the connector angles can preferably have 90 °, but also any other angle.
  • the current conductor rod 1 shown in perspective in FIG. 1 has two current conductors 2, 3 which are electrically insulated from one another with an insulating material 4. An intermediate layer 5 of the insulating material is located between the current conductors 2 and 3.
  • the current conductor rod 1 as can be seen from FIGS. 1 and 2, has a round cross section in the exemplary embodiment shown.
  • the outer surfaces 6, 7 of the current conductors 2 and 3 form part of the circumference of the entire current conductor rod 1.
  • the remaining peripheral regions of the current conductor rod 1 are formed by the surface of the insulating material 4.
  • the entire conductor bar 1 is preferably finely ground and has a homogeneous, circular surface.
  • the current conductor surfaces 6, 7 are exposed and are used to make contact with retaining clamps to be described below, with which electrical consumers are clamped to the current conductor arrangement.
  • the shape of the current conductors 2 and 3 in the interior of the current conductor rod is designed such that the largest part of the cross-sectional area of the current conductor rod 1 consists of the current conductor material. This results in a large current conductor cross-section in relation to the cross section or the diameter of the current conductor rod 1, so that the current conductor ° rod 1, despite its compactness, can conduct currents with large currents without the current conductor rod 1 heating up.
  • Grooves 8 on the current conductors 2, 3 serve to mechanically connect the insulating material 4 to the current conductors 2, 3.
  • FIGS. 1 and 2 there is also the possibility of forming the current conductors and the insulating material as circular segments.
  • the embodiment shown in FIGS. 1 and 2 is superior to an embodiment with circular segments in that a larger cross-sectional area of the current conductor rod 1 can be used for the current conductors.
  • 1 and 2 illustrate a conductor arrangement with two conductors.
  • conductor rods with more than two conductors in order to have several current phases and to be able to supply electrical consumers with current independently of one another without the need for Electrical consumers supplied with different current phases require their own current conductor arrangements or current conductor rods.
  • the conductor bar it is also possible to design the conductor bar not round, but oval, square or rectangular in cross section.
  • the round shape has the advantage that retaining clips can also be rotated around the conductor bar and can thus be brought into any position.
  • 3a and 3b show an embodiment for a holding clamp.
  • a holder 11 is screwed on by means of a screw 10, which holder has, for example, a lamp holder or another fastening option for an electrical consumer, for example for a fan, a motor, a clock or some other device.
  • the holder 11 is rotatable between the holding clamps about the axis of the screw 10.
  • the retaining clip legs 9 are on the respective Formed on the inside so that they fit on the conductor bar 1.
  • contact springs 12 are provided, which are attached to the inside of the holding clamp legs 9, as will be explained in more detail below.
  • Both the retaining clip legs 9 and the contact springs 12 are made of an elastic material so that the entire retaining clip can be pressed onto the conductor bar 1.
  • a retaining clip leg is again shown as an individual part from the different sides.
  • a hole 13 is provided for the screw connection.
  • Around the hole 13 there is a recess 14 in which the contact spring 12 (see FIGS. 5a, 5b and 5c) lies.
  • the shape of the contact spring 12 in the region of the support on the conductor bar corresponds to the round shape of the holding clamp leg 9, as can also be seen from FIGS. 3a and 3b.
  • the bulge 15 of the retaining clip leg is the complementary form of the current conductor rod 1; In the exemplary embodiment shown, the current conductor rod 1 is round, so that the bulge 15 is in the form of a segment of a circle.
  • a nose 17 of the contact spring 12 for fixing the contact spring also at the end of the holding clamp leg 9.
  • the contact spring 12 conducts the current from the conductor bar 1 via metal disks, for example copper washers 18, to electrical connections of electrical consumers which are attached to or in the holders 11.
  • FIGS. 3a and 3b A preferred embodiment of the holder shown in FIGS. 3a and 3b, in particular its mounting arm 19, on which the holding clamp legs 9 with the contact springs 12 are attached, is shown in Figs. 6a and 6b.
  • An electrical consumer for example a lamp base, is attached in a chamber 20 of the holder 11.
  • a metal disk preferably a highly conductive copper disk, is placed or inserted, which rests on the part of the contact spring 12 when the holding clamp is assembled, which is held by the screw 13 between a holding clamp leg on the one hand and the holding arm 19 of the Holder 11 is arranged.
  • the washer 18 By firmly screwing the retaining clip legs by means of the screw 13, the washer 18 is pressed firmly onto the conductor ends of the electrical consumer lying in the circular recesses 22, so that good contact and a low ohmic resistance are thereby achieved.
  • the metallic disks 18 rest against the parts of the contact springs 12 which are pressed between the holding clamp legs 9 and which are likewise made of a conductive material, preferably copper. In this way, despite a very good electrical connection between the connecting wires and the washers 18, there is a good sliding action between the washers 18 and the contact springs 12, so that the holding arm 19 and thus the holder 11 can be pivoted with respect to the retaining clip limbs without one Screw should be loosened or removed.
  • FIGS. 7a, 7b and 7c show exemplary embodiments for connecting devices with which round current conductor rods 1, each having two current conductors 2, 3, can be connected to one another both mechanically stable and with good electrical contact.
  • 7a is provided for the connection of two conductor bars 1 in a straight direction.
  • 7a has two essentially symmetrical elements 71 and 72, which are designed as cylinder segments.
  • the inner radius of the cylinder segments 71 and 72 essentially corresponds to the radius of the conductor bar.
  • the current conductor rods 1 to be connected are provided at the ends to be connected in the two current conductors 2 and 3 with threaded bores which run in the radial direction.
  • the threaded holes still end in the respective current conductors 2 and 3 as blind holes.
  • the cylinder segment-shaped elements 71 and 72 are then placed over the ends of two current conductor rods 1 to be connected. Screws are passed through the prepared holes 73 and 74 in the upper element 71 and through corresponding holes in the lower element 72 (not shown in the figure), which are screwed into the threaded bores of the current conductors 2 and 3 of the current conductor rods 1 and are thus fastened. This creates a cuff-like connection two conductor bars 1.
  • the cylinder segments In order to ensure that the two conductor bars do not come into electrical contact with one another, the cylinder segments have a segment angle that is less than 180 °, so that the segments do not touch after attachment to the conductor bars, but a space remains free. Because of the blind threaded holes, it is also not possible for the current conductors to be electrically connected via the screws.
  • connection device for an angled connection shows a connection device for an angled connection.
  • the angle is 90 ° in the illustrated embodiment.
  • the angles of the two angle elements 75 and 75 in turn have the cylindrical segment shape on both legs and the screw holes 77, 78, as have already been described with reference to the embodiment shown in FIG. 7a.
  • the conductor bars 1 to be connected can be mitred. All that is required, however, is that the ends of the conductor bars 1 to be connected protrude into the angle connector elements to such an extent that the screws can be screwed into the corresponding threaded bores of their conductor 2 and 3.
  • FIG. 7c also shows a right-angled connecting device with connecting elements 79 and 80.
  • the connection of the current conductor rods 1 takes place as in the connecting devices shown in FIGS. 7a and 7b and described in connection therewith.
  • the connection device shown in FIG. 7c is, however, required in addition to the connection device shown in FIG. 7b if connection of the current conductor rods is desired in a direction which points out of the plane spanned by the legs of the connection device shown in FIG. 7b is.
  • connection angle is 90 °. If desired, angle connection devices with connection angles other than 90 °, z. B. be provided with a connection angle of 60 °.
  • the connecting devices allow flexible and diverse assembly and construction of the conductor bars 1 to form a wide variety of conductor arrangements.

Landscapes

  • Particle Accelerators (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Cultivation Of Plants (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Amplifiers (AREA)

Claims (13)

1. Assemblage conducteur de courant sous la forme d'un barreau conducteur, qui comporte au moins deux conducteurs métalliques librement accessibles pour l'établissement d'un contact et isolés par un matériau isolant, et dont la surface en coupe transversale est constituée, pour au moins 50 %, par le matériau des conducteurs, caractérisé en ce que le matériau isolant et le matériau des conducteurs (2,3) constituent une surface extérieure, uniformément circulaire en coupe transversale, du barreau conducteur (1), et que les surfaces circonférentielles librement accessibles (6,7) des conducteurs (2,3) s'étendent respectivement sur un angle circonférentiel inférieur à l'angle circonférentiel respectif des surfaces circonférentielles de l'isolant.
2. Assemblage conducteur de courant selon la revendication 1, caractérisé en ce qu'au moins 80 % de la surface en coupe transversale du barreau conducteur (1) est formée par le matériau des conducteurs (2,3).
3. Assemblage conducteur de courant selon la revendication 1 ou 2, caractérisé en ce que les surfaces circonférentielles librement accessibles (6,7) des conducteurs et les surfaces circonférentielles du matériau isolant alternent entre elles sur la circonférence du barreau conducteur (1).
4. Assemblage conducteur de courant selon l'une des revendications 1 à 3, caractérisé en ce que le barreau conducteur (1) est constitué par des segments ou des segments partiels du matériau conducteur et du matériau isolant alternant sur la circonférence circulaire.
5. Assemblage conducteur de courant selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu deux conducteurs métalliques (2,3), dont les surfaces circonférentielles librement accessibles s'étendent sur un angle circonférentiel de 80°, et que les surfaces circonférentielles de l'isolant s'étendent chacune sur un angle circonférentiel égal à 100°.
6. Assemblage conducteur de courant selon l'une des revendications 1 à 5, caractérisé en ce que le barreau conducteur (1) est recourbé et les conducteurs métalliques (2,3) sont disposés sur le rayon intérieur et sur le rayon extérieur de courbure.
7. Assemblage conducteur de courant selon l'une des revendications 1 à 6, caractérisé en ce que le matériau des conducteurs (2,3) est mis en forme à la presse avec le matériau isolant (4).
8. Assemblage conducteur de courant selon l'une des revendications 1 à 7, caractérisé en ce que le barreau conducteur est prévu en tant qu'élément à la fois porteur et conducteur pour des systèmes d'alimentation en courant et d'éclairage, des rayonnages, des voies de transfert, des rails de support, des rails pour éclairage, des rampes pour dispositifs de foires et/ou dispositifs fixes, ainsi que pour des installations de laboratoires et des installations industrielles.
9. Assemblage conducteur de courant selon l'une des revendications 1 à 8, caractérisé en ce que des appareils électriques d'utilisation sont fixés sur le barreau conducteur (1) au moyen de pinces de retenue et sont en contact, par l'intermédiaire de surfaces intérieures de contact (12) des pinces de retenue, avec les conducteurs (2, 3).
10. Assemblage conducteur de courant selon l'une des revendications 1 à 9, caractérisé en ce qu'il est prévu des dispositifs de liaison (71,72 ou 75,76 ou 79,80), qui relient entre eux mécaniquement et électriquement deux barreaux conducteurs (1) comportant respectivement deux conducteurs (2,3).
11. Assemblage conducteur de courant selon la revendication 10, caractérisé en ce que les dispositifs de liaison (71,72 ou 75,76 ou 79,80) sont constitués chacun de deux éléments électriquement conducteurs, qui peuvent être raccordés par vissage à des conducteurs respectifs (2,3), les éléments n'étant pas en contact entre eux.
12. Assemblage conducteur de courant selon la revendication 10 ou 11, caractérisé en ce que les éléments électriquement conducteurs sont des segments de cylindre, dont les rayons intérieurs de courbure sont sensiblement égaux au rayon des barreaux conducteurs (1).
13. Assemblage conducteur de courant selon la revendication 10 ou 11, caractérisé en ce que les éléments électriquement conducteurs sont des éléments de liaison coudés (75,76 ou 79,80), dont les branches, qui doivent être raccordées aux conducteurs (1), possèdent la forme d'un segment de cylindre, dont le rayon intérieur de courbure est sensiblement égal au rayon du barreau conducteur (1).
EP88901244A 1987-01-20 1988-01-19 Agencement conducteur de courant Expired - Lifetime EP0346348B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88901244T ATE68635T1 (de) 1987-01-20 1988-01-19 Stromleiteranordnung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3701449 1987-01-20
DE3701449 1987-01-20
DE3800358 1988-01-08
DE3800358A DE3800358A1 (de) 1987-01-20 1988-01-08 Stromleiteranordnung

Publications (2)

Publication Number Publication Date
EP0346348A1 EP0346348A1 (fr) 1989-12-20
EP0346348B1 true EP0346348B1 (fr) 1991-10-16

Family

ID=25851685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88901244A Expired - Lifetime EP0346348B1 (fr) 1987-01-20 1988-01-19 Agencement conducteur de courant

Country Status (6)

Country Link
EP (1) EP0346348B1 (fr)
AT (1) ATE68635T1 (fr)
AU (1) AU1227988A (fr)
CA (1) CA1297548C (fr)
DE (2) DE3800358A1 (fr)
WO (1) WO1988005613A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8814295U1 (de) * 1988-11-15 1989-02-16 Kurz, Josef, 8000 München Elektrische Leuchte
DE4001641A1 (de) * 1990-01-20 1991-07-25 Hoffmann Mathias Beleuchtungseinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1204731B (de) * 1961-04-11 1965-11-11 Braun Ag Mit Kontaktleisten versehenes, selbsttragendes stabfoermiges Bauelement fuer elektrische Geraete
DE3120267C2 (de) * 1981-05-21 1983-11-24 Lichtplanung Dinnebier Kg, 5600 Wuppertal Stromschienensystem mit elektrische Betriebsmittel tragenden aufsetzbaren Adaptern

Also Published As

Publication number Publication date
WO1988005613A1 (fr) 1988-07-28
ATE68635T1 (de) 1991-11-15
DE3865673D1 (de) 1991-11-21
DE3800358A1 (de) 1988-08-04
AU1227988A (en) 1988-08-10
EP0346348A1 (fr) 1989-12-20
CA1297548C (fr) 1992-03-17

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