EP1956688B1 - Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen. - Google Patents

Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen. Download PDF

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Publication number
EP1956688B1
EP1956688B1 EP07425067A EP07425067A EP1956688B1 EP 1956688 B1 EP1956688 B1 EP 1956688B1 EP 07425067 A EP07425067 A EP 07425067A EP 07425067 A EP07425067 A EP 07425067A EP 1956688 B1 EP1956688 B1 EP 1956688B1
Authority
EP
European Patent Office
Prior art keywords
electrical
saddle
enclosure
lengths
length
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.)
Not-in-force
Application number
EP07425067A
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English (en)
French (fr)
Other versions
EP1956688A1 (de
Inventor
Fabrizio Fabrizi
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.)
BTicino SpA
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BTicino SpA
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Filing date
Publication date
Application filed by BTicino SpA filed Critical BTicino SpA
Priority to DE602007004062T priority Critical patent/DE602007004062D1/de
Priority to ES07425067T priority patent/ES2338177T3/es
Priority to AT07425067T priority patent/ATE453939T1/de
Priority to EP07425067A priority patent/EP1956688B1/de
Priority to PT07425067T priority patent/PT1956688E/pt
Publication of EP1956688A1 publication Critical patent/EP1956688A1/de
Application granted granted Critical
Publication of EP1956688B1 publication Critical patent/EP1956688B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R25/145—Details, e.g. end pieces or joints

Definitions

  • This invention relates to a concealed and preferably leaktight electrical butt joint for prefabricated lengths of electrical ducting, in particular suspended or more generally “on sight” ducting, the joint being preassembled or capable of preassembly with one of the lengths.
  • This ducting is constructed by connecting together prefabricated modular elements or lengths which must satisfy a plurality of requirements, such as system safety, simplicity and convenience of installation, a very important factor for suspended ducting, leaktight electrical components and, not last, compliance with aesthetic standards.
  • US 5,614,697 provides electrical ducting comprising prefabricated leaktight modular elements which are connected end to end by means of junction devices which ensure a leaktight connection but which are aesthetically unsatisfactory because they interrupt the continuity of the shape of the ducting with visible projecting parts.
  • DE10025646 discloses a concealed butt joint device comprising a metal saddle which fits inside the one and the other extremities of two lengths of electrical ducting.
  • the metal saddle is provided with electrical connectors which in turn receive the bare ends of conducting bars housed in the electrical ducting.
  • the disclosed arrangement is not suitable for obtaining leaktight electrical connections.
  • the document IT1227757 proposes a concealed butt joint device for leaktight coupling electrical ducting housing loose cables.
  • a metal saddle provides a leaktight mechanical coupling but no electrical connectors are provided.
  • the joint merely consists in a mechanical coupling and if an electrical connection has to be provided it requires electrical connections devices and laborious assembling operation distinct and independent of the mechanical coupling.
  • the present invention overcomes these problems and provides an electrical butt joint which is leaktight, invisible, that is wholly contained and hidden within the ducting, and which can be preassembled with a ducting element, rendering the operation of joining lengths at the site of installation particularly simple and easy.
  • Length of ducting 1 essentially comprises a rectilinear metal enclosure 2 of bent sheet or extruded light alloy forming a channel open beneath on the sides of which are housed two identical rectilinear supports 3 extruded from insulating plastics material.
  • the application enclosure 2 may house only one of the two supports.
  • support 3 which has a transverse rectangular cross-section, there is formed a plurality of rectilinear parallel slots open on one side of the support, in each of which a conducting member is housed.
  • the slots are six in number and house four conducting bars having a T cross-section coextruded with the support (the material of which includes the butt end) for the distribution of a three phase voltage/current system and its neutral, as well as two conducting bars of circular cross-section for an auxiliary single-phase voltage.
  • the slots are hermetically sealed, except at their ends, by an insulating perforatable plastics sheet 4 welded or extruded over the entire surface of the support into which the slots open.
  • Spacing ribs 5 and 9 also bring about snap connection of support 3 onto enclosure 2, which is suitably shaped for the purpose.
  • the upper wall of the enclosure has a pair of internal ribs 14, 15 separated by a channel 16.
  • Rib 5 of supports 3 snap engages the sides of ribs 14, 15.
  • rib 5 which extends from the top surface of the support, is interrupted at a convenient distance L1, while the other ribs 6-9 are interrupted at a convenient distance L2 which is smaller than L1.
  • the extremity portion of support 3 has no encumbrances outside its rectangular cross-section over a length of the enclosure equal to L2.
  • ribs 14, 15 have holes 17, 18 at a convenient distance from the extremity of enclosure 2, obviously made in the course of the production process, for the insertion of fixing rivets or threaded inserts attached to the enclosure by calking, again in the course of the production process.
  • Figure 1 shows only one extremity of the length of ducting, but it is clear that the opposite extremity has the same appearance.
  • a modular joint comprising a saddle 19 obtained by cutting and bending metal sheet and at least one electrical connector 20 or, depending on user needs, a pair of identical electrical connectors 20, 21 are conveniently used.
  • Saddle 19 having a profile which is symmetrical with respect to a vertical axis 22, comprises a rectangular plate 23 extending over a length equal to 2L1 (indicatively 300 mm) and a width (indicatively 79 mm) such that it can be inserted with some play into enclosure 2, alongside ribs 14, 15.
  • Plate 23 has a rib 24 in the direction of its length which is inserted with minimal play into channel 16 of enclosure 2.
  • the plate extends laterally as two parallel side members, 25, 26 which are bent downwards and end in two lips 27, 28 parallel to plate 23 and facing each other.
  • the length of the side members in the direction of rib 24 is equal to 2L2 (indicatively 206 mm) and their size is such that they can be inserted within enclosure 2 with some play without interfering with supports 3, with the lips located within saddles 12, 13 of the enclosure.
  • ribs 5, 6, 7, 8, 9 of support 3 form a stop which defines the depth to which saddle 19 can be inserted into the enclosure, which is equal to exactly half the longitudinal length of the saddle.
  • rib 24 by engaging in channel 16, ensures precise transverse and axial positioning of saddle 19 relative to enclosure 2.
  • Suitable openings 33, 34, 35, 36 and grooves 37, 38 are provided in plate 23 and when saddle 19 is inserted into two abutting enclosures they align with corresponding openings 17, 18 provided in the enclosures and allow the saddle to be attached to the enclosures by means of rivets if the saddle is preassembled with one of the enclosures or by means of a screw engaging the threaded insert provided bevelled in opening 18 in the case of in situ assembly.
  • Assembly is further simplified by partly prescreewing the screw into the threaded insert bevelled in hole 18 to which groove 38 in plate 23 corresponds, so that the presence of the screw does not interfere with the insertion of plate 23 into the enclosure.
  • connectors 20, 21 to saddle 19 are further provided with appropriate openings collectively identified by the reference number 39 into which corresponding ribs projecting from the outer walls of the connectors are housed, these being also collectively identified by the reference number 40.
  • connection between openings 39 and ribs 40 ensures that the connectors are accurately positioned on the inside of side members 25, 26 and prevent any dislocation of the connectors when saddle 19 is inserted into each of the two enclosures which have to be butt joined.
  • Connectors 20, 21 are anchored in saddle 19 by two corresponding resilient tongues 41, 42 formed in plate 23 by cutting and bending.
  • tongues form a pair of teeth which make a snap connection with one edge of the connectors provided for the purpose with a convenient recess 43, the teeth pressing the connectors in contact with the inside of side members 25, 26.
  • Connectors 20, 21 essentially comprise prismatic sleeves of insulating plastics material which when saddle 19 is inserted into the ends of two lengths of ducting fit onto the ends of supports 3 housed therein.
  • Double metal clamps are provided within the connectors.
  • the clamps by penetrating the slots in the supports 3 without interfering with plastics sheet 4 which hermetically seals the slots clasp the extremities of the conducting bars housed therein between the clamps.
  • Figure 2 shows a preferred embodiment of these connectors in an exploded perspective view.
  • the connector in Figure 2 comprises two shells 44, 45 of insulating plastics material open at the ends which are coupled together with a partial overlap of edges 46,47.
  • a pair of teeth 49, 50 is provided (only one pair can be seen in Figure 2 ).
  • the teeth project externally and form a snap connection with corresponding relatively resilient eyes 51, 52, 53 (a fourth is not visible) formed on the coupling edges of the other shell 45.
  • the overlapping edges are conveniently welded together by ultrasonic welding to form a leaktight joint.
  • the two shells are provided internally with a resilient seal 58, 59 which is conveniently but not necessarily co-moulded together with the shells.
  • the internal transverse cross-section of the sleeve so formed is substantially identical to that of supports 3 ( Figure 1 ) so that the sleeve can be fitted onto the extremities of the two supports 3 which abut together and ensure a leaktight joint.
  • the latter is provided with fins 54, 55, 56, 57 with a wedge-shaped cross-section which project from the two openings. These fins make it possible to align the sleeve and the extremities of the supports precisely in the transverse direction so that insertion takes place without damage to insulating plastics sheet 4 ( Figure 1 ) which hermetically seals off the recesses in which the conducting bars are housed.
  • Figure 2 again shows a preferred embodiment of the contact clamps, in an exploded view, these comprising a contact member 63 obtained by the double bending of a tin-coated or silver-coated copper plate, H shaped by die-cutting, and a leaf spring 64, also obtained by double bending an H-shaped spring steel (or stainless steel) plate.
  • Spring 64 which is mounted so as to overlap contact member 63, in the form of a saddle, exerts the necessary contact pressure on pair of clamps 65, 66 formed by contact member 63.
  • a simpler form of double contact clamp comprising a single contact member, in this case made of phosphor bronze and identified by reference number 67, can be used to connect the auxiliary voltage conductors, which in general have to carry lesser currents of the order of a few amperes.
  • multiple contact cage clamps may be used, with a possible steel compressing spring, once part of the insulating material of support 3 has been removed from the end of supports 3 by milling so as to expose the entire extremity of the auxiliary voltage conductors.
  • dividing septa 60 may be of greater length, always between resilient seals 58, 59, once suitable channels have been made to receive these extensions at the extremity of supports 3.
  • Figure 3 shows the joint described above preassembled in the factory with length of ducting 1, in perspective view.
  • metal saddle 19 is half inserted into metal enclosure 2 of the ducting and is attached thereto by rivets, one of which, 68, can be seen in the figure.
  • Sleeve connectors one of which 21 can be seen in the figure, and each of which is fitted to half its length over the extremity of a corresponding support 3 for conducting bars, are correctly anchored within the saddle.
  • length 69 may be attached to length 1 with a screw passing through groove 37, which has been prescrewed in a threaded insert provided in the extremity of enclosure 70 of length 69.
  • the screw is tightened using an ordinary screwdriver inserted into enclosure 70 through its bottom opening.
  • saddle 19 instead of enclosing connectors 20, 21 within it ( Figure 1 ), a preferred solution because in this way the connectors are protected by the saddle during all the stages of preassembly, movement and installation of the joint, may be provided for mounting connectors externally to its sides.
  • saddle 19 instead of having lips 27 and 28 opposite each other, may be provided with divergent wings ending in lips which engage saddles 12, 13 of the enclosure and at the same time support connectors 20, 21.
  • the two shells 44, 45 which form the connectors may be without resilient seals 58, 59 and can be simply joined together by a snap connection with teeth 49, 50 engaging corresponding eyes 51, 52, 53 without it being necessary to weld the overlapping edges of the shells together.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (7)

  1. Elektrische Stumpfverbindung für vorgefertigte Stücke (1, 69) elektrischen Kanalmaterials, wobei in diesen Stücken in einem Metallgehäuse (2, 70) mindestens eine Abstützung (3) aus Isoliermaterial mit mehreren geradlinigen Schlitzen untergebracht ist, in denen jeweils eine Leiterschiene aufgenommen ist, wobei die Enden der mindestens einen Abstützung (3) von dem Gehäuse beabstandet sind und jede Stumpfverbindung folgendes umfaßt:
    - einen Metallsattel (19), der in Axialrichtung bis zur halben Länge in das Ende des Gehäuses (2) eines ersten vorgefertigten Stücks (1) und mit seiner anderen Hälfte in das Ende des Gehäuses (70) eines zweiten, an das erste anstoßenden vorgefertigten Stücks (69) eingesetzt werden kann, wobei sich der Sattel (19) in Form zweier seitlicher Glieder (25, 26) erstreckt,
    - mindestens einen elektrischen Verbinder (20, 21), der in mittlerer Position an einem der seitlichen Glieder (20, 21) befestigt ist,
    dadurch gekennzeichnet, daß der Sattel mit Öffnungen (33, 34, 35, 36, 37) zum mechanischen Anbringen desselben an den Gehäusen des ersten und des zweiten Stücks mit Hilfe von Schrauben und/oder Nieten versehen ist, und daß der Verbinder (20, 21) die Form einer Muffe aufweist, die an das Ende der mindestens einen Abstützung (3) für die zwei aneinanderstoßenden Stücke (1, 69) montiert ist.
  2. Elektrische Verbindung nach Anspruch 1, umfassend zwei identische elektrische Verbinder (20, 21), die jeweils an einem der seitlichen Glieder (25, 26) und im Innern derselben befestigt sind.
  3. Elektrische Verbindung nach Anspruch 1 oder 2, wobei der Verbinder oder die Verbinder (20, 21) im Innern der Muffe mit elastischen Dichtungen (58, 59) versehen sind, die sicherstellen, daß die Muffe hermetisch dicht mit den Enden der in diese eingesetzten Abstützungen (3) verbunden ist.
  4. Elektrische Verbindung nach einem der vorhergehenden Ansprüche, wobei der Verbinder oder die Verbinder an ihren Außenwänden Rippen (40) aufweisen, die eine Unterbringung in entsprechenden Öffnungen (39) in dem Sattel (19) zum richtigen Positionieren der Verbinder in bezug auf den Sattel finden, wobei der Sattel mit Mitteln (41, 42) zum Schnappbefestigen der Verbinder an dem Sattel versehen ist.
  5. Elektrische Verbindung nach einem der vorhergehenden Ansprüche, wobei der Sattel (19) Mittel (24, 29, 30, 31, 32) zum Aufnehmen eines Spielraums in mindestens einer Querrichtung zu der Einsetzungsrichtung beim Einführen des Sattels aufweist.
  6. Elektrische Verbindung nach einem der vorhergehenden Ansprüche, wobei der Verbinder oder die Verbinder Flügel (54, 55, 56, 57) mit keilförmigem Querschnitt aufweisen, die von den einander entgegengesetzten Öffnungen der Muffe vorstehen, um beim Einsetzen der Enden der Abstützungen (3) in die Muffe Führungen zu bilden.
  7. Elektrische Verbindung nach einem der vorhergehenden Ansprüche, welche in einem Leitungsstück (1) vormontiert ist.
EP07425067A 2007-02-06 2007-02-06 Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen. Not-in-force EP1956688B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE602007004062T DE602007004062D1 (de) 2007-02-06 2007-02-06 Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen.
ES07425067T ES2338177T3 (es) 2007-02-06 2007-02-06 Conexion de extremo electrica oculta y preferentemente estanca para tramos prefabricados de canalizacion electrica, pre-montada en uno de los tramos.
AT07425067T ATE453939T1 (de) 2007-02-06 2007-02-06 VERBORGENER UND VORZUGSWEISE ABGEDICHTETER ELEKTRISCHER STOßVERBINDER FÜR EINE VORFABRIZIERTE TRAGSCHIENE EINES ELEKTRISCHEN STROMSCHIENENSYSTEMS, VORMONTIERT MIT EINER DER TRAGSCHIENEN.
EP07425067A EP1956688B1 (de) 2007-02-06 2007-02-06 Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen.
PT07425067T PT1956688E (pt) 2007-02-06 2007-02-06 Junta eléctrica de topo, dissimulada e preferencialmente estanque, para secções prefabricadas de calhas eléctricas, já montada com uma das secções

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07425067A EP1956688B1 (de) 2007-02-06 2007-02-06 Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen.

Publications (2)

Publication Number Publication Date
EP1956688A1 EP1956688A1 (de) 2008-08-13
EP1956688B1 true EP1956688B1 (de) 2009-12-30

Family

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Application Number Title Priority Date Filing Date
EP07425067A Not-in-force EP1956688B1 (de) 2007-02-06 2007-02-06 Verborgener und vorzugsweise abgedichteter elektrischer Stoßverbinder für eine vorfabrizierte Tragschiene eines elektrischen Stromschienensystems, vormontiert mit einer der Tragschienen.

Country Status (5)

Country Link
EP (1) EP1956688B1 (de)
AT (1) ATE453939T1 (de)
DE (1) DE602007004062D1 (de)
ES (1) ES2338177T3 (de)
PT (1) PT1956688E (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032383A1 (de) 2010-07-27 2012-02-02 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder
DE102010055789A1 (de) 2010-12-23 2012-06-28 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder

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ES2409079T3 (es) 2008-04-29 2013-06-24 Bticino S.P.A. Un conectador para un carril de disribución de potencia suspendido
EP2113716B1 (de) 2008-04-29 2010-12-08 Bticino S.p.A. Einbauleuchte für den Einbau in eine aufgehängte Stromverteilungsbahn
US10103506B2 (en) 2015-04-16 2018-10-16 Eaton Intelligent Power Limited Busway systems and related assemblies and methods
US9407079B1 (en) 2015-04-16 2016-08-02 Eaton Corporation Busway systems and related assemblies and methods
US10211581B2 (en) 2017-05-05 2019-02-19 Eaton Intelligent Power Limited Busway stab assemblies and related systems and methods
US10135209B1 (en) 2017-05-05 2018-11-20 Eaton Intelligent Power Limited Busway stab assemblies and related systems and methods
DE102017125231A1 (de) * 2017-10-27 2019-05-02 Siteco Beleuchtungstechnik Gmbh Leitungshaltersystem, Verbindungsteil, Stromschienenelement, Stromschienensystem, mechanisches Verbindungselement, Verfahren zur Herstellung eines Stromschienenelements und Verfahren zur Herstellung eines Stromschienensystems
WO2023057637A1 (de) * 2021-10-08 2023-04-13 Trilux Gmbh & Co. Kg Modulares lichtband mit vorzentrierungseinrichtung
DE102021006454A1 (de) * 2021-12-28 2023-06-29 Zumtobel Lighting Gmbh Tragprofilschienenelement mit anschlussklemme

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Publication number Priority date Publication date Assignee Title
DE2234435C2 (de) * 1971-08-03 1983-04-28 Staff GmbH & Co KG, 4920 Lemgo Überbrückungsadapter für Stromverteilerschienen
IT1227757B (it) * 1988-12-30 1991-05-06 Bassani Spa Gruppo di elementi componibili a tenuta stagna per la posa ed il contenimento di cavi conduttori elettrici
US6296498B1 (en) * 2000-01-25 2001-10-02 Universal Electric Corporation Busbar connector for plug-in busways
DE10025646A1 (de) * 2000-05-24 2001-11-29 Zumtobel Staff Gmbh Stromschienensystem
ATE399382T1 (de) * 2005-11-14 2008-07-15 Bticino Spa Elektischer endstecker für eine vorgefertigte dichte leitungsanordnung zum verteilen von elektrischer energie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032383A1 (de) 2010-07-27 2012-02-02 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder
DE102010032383B4 (de) * 2010-07-27 2012-05-10 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder
DE102010055789A1 (de) 2010-12-23 2012-06-28 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder
DE102010055789B4 (de) * 2010-12-23 2014-07-10 Wago Verwaltungsgesellschaft Mbh Stromschienenverbinder und Stromschienensystem mit mindestens zwei benachbarten Stromschienen und einem Stromschienenverbinder

Also Published As

Publication number Publication date
ATE453939T1 (de) 2010-01-15
DE602007004062D1 (de) 2010-02-11
EP1956688A1 (de) 2008-08-13
PT1956688E (pt) 2010-02-24
ES2338177T3 (es) 2010-05-04

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