WO2010142514A1 - Fabrication d'une barre omnibus munie de plusieurs contacts de prise à partir d'un rail à profil plat notamment totalement isolé ou totalement en métal galvanisé - Google Patents

Fabrication d'une barre omnibus munie de plusieurs contacts de prise à partir d'un rail à profil plat notamment totalement isolé ou totalement en métal galvanisé Download PDF

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Publication number
WO2010142514A1
WO2010142514A1 PCT/EP2010/056798 EP2010056798W WO2010142514A1 WO 2010142514 A1 WO2010142514 A1 WO 2010142514A1 EP 2010056798 W EP2010056798 W EP 2010056798W WO 2010142514 A1 WO2010142514 A1 WO 2010142514A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
busbar
profile
contact
flat
Prior art date
Application number
PCT/EP2010/056798
Other languages
German (de)
English (en)
Inventor
Frank Alefelder
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP10721476A priority Critical patent/EP2441137A1/fr
Priority to CN201080025442.1A priority patent/CN102460856B/zh
Publication of WO2010142514A1 publication Critical patent/WO2010142514A1/fr

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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
    • H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts

Definitions

  • the invention relates to a manufacturing method for a busbar in a flat profile design with a plurality of electrically conductive tap contacts.
  • the invention relates to a bus bar produced by means of such a method and a busbar system with at least two such bus bars.
  • connection point is characterized by a covering connected to the main body by press-welding.
  • a bus bar made of aluminum in the end region is covered with copper sheet, which is connected to the busbar by press welding.
  • a busbar for the electrical power distribution is known, on the one hand from an aluminum profile with a flat Querterrorismsflä- surface extending along a main direction and a transverse direction, and on the other consists of at least one metallic connector, which is firmly connected to the profile.
  • the busbar is characterized by a metal connector that connects to the profile through several Lobe is mounted with complementary shape, which are located on the connector and the profile in a row, along a direction in the plane of the profile, which is determined by the main and transverse directions. The lobes are interlocked by insertion transversely to the profile plane.
  • the flaps have a head with a width a and a neck with a width b.
  • the latter is smaller than the width a of the head in such a way that the tensile resistance of the assembly is increased.
  • the flaps of the profile and / or the connector are pressed together after installation.
  • a flap connection area is inserted into a side part of a profile, a branch area at the edge of the profile and a branch area which extends transversely to the two profile edges and beyond.
  • German Offenlegungsschrift DE 31 15 285 A1 discloses a method and devices for producing contact surfaces on aluminum rails.
  • a machined end of a rail is given a U-shaped cap formed by bending a cut-out element having a copper layer and an aluminum layer.
  • the cap is then welded on with both cheeks. These are then subjected to a dressing in the press. This method is applicable to the production of contact surfaces in the terminal areas of busbars.
  • the busbars considered are intended for the transport and distribution of currents in the range from one hundred amperes to several thousand amperes. It may be arranged parallel to each other to form a two- or multi-phase busbar system, a plurality of such busbars. Furthermore, the considered bus bars are preferably for Low voltages, that is designed for voltages up to about 1000 V. For example, they can be connected to a 50Hz / 400V three-phase power supply network. Preferably, the busbars are made of aluminum or copper. They are in particular extruded profiles.
  • the extruded profile is coated after cleaning and degreasing with one or more metallic contact layers by means of a galvanic process.
  • the aluminum extruded profile is first coated with a metallic copper or nickel layer and then for the actual, at the same time oxidation-resistant contacting with a nobler metal, in particular with silver or platinum.
  • one or both longitudinal ends of the extruded profile are bent or bent several times in order to allow fanning out there for the current input or -aus glaci.
  • the extruded profile - apart from the intended contact areas - provided with an electrical insulating layer is wrapped with a special film.
  • the intended contact areas may first be masked with a protective film. Subsequently, the entire extruded profile is powder-coated or electrostatically coated, for example. At the end, the protective films are removed again.
  • the object of the invention is achieved by a manufacturing method for a busbar in a flat profile design with the features of claim 1.
  • Advantageous process variants are given in the dependent claims 2 to 8.
  • a bus bar produced by the method according to the invention is called.
  • a busbar system is specified, which has at least two busbars according to the invention.
  • a suitable use of the busbar and the current Rail system called in high current applications is specified for a busbar.
  • the production process comprises at least the following steps:
  • the invention is based on the finding that no metallic contacting layer is required for the insulated regions of the busbar, which are not intended for current input and output. Rather, these areas can be provided directly with an electrical insulation layer after cleaning and degreasing.
  • Such a busbar can in principle be modularly composed of two types of rail sections.
  • the first rail pieces that is the Isolierschienen Swisse, by cutting from the first flat rail.
  • the latter is made from an extrusion blank which is first cleaned, optionally degreased and then completely provided with the electrical insulating layer.
  • a metallic galvanic outer coating of the first flat profile rail does not take place.
  • the second rail pieces that is, the contact rail pieces, obtained by cutting from the second flat rail.
  • the latter is produced from an extrusion blank which is first cleaned, optionally degreased and then completely galvanically provided with the contact layer of one or more metals.
  • An outer coating of the second flat profile rail does not take place.
  • the great advantage of the invention is that only the surfaces intended for contacting with the expensive precious metal, in particular with the silver, platinum or gold, must be galvanically coated. Since these areas are only a fraction of the total profile outside, the cost savings for the precious metal and for the required galvanic solution is considerable.
  • the first flat profile rail is cut into a plurality of insulating rail pieces divided in the longitudinal direction. It is the second flat rail in several, divided in the longitudinal direction, in particular the same length contact rail pieces tailored.
  • the respective insulation and contact rail pieces are in particular assembled alternately side by side in the profile longitudinal direction.
  • the rail pieces in the transverse direction that is perpendicular to the longitudinal extension or rail main direction, separated from the respective flat profile rail, such as by means of a saw or a cutting laser.
  • the respective insulating and contact rail pieces are assembled side by side in abutment and then joined together.
  • the first flat profile rail is cut into a plurality of insulating rail pieces divided in the longitudinal extent, recesses arranged individually distributed on the blank being provided on at least one narrow side of the respective insulating rail piece in the longitudinal direction.
  • the recesses may e.g. be introduced by means of a punch of a press in the respective, previously separated insulating rail piece.
  • the second flat rail is cut into several, split in the longitudinal direction, in particular the same length and tailored to the dimensions of the respective recesses geometrically tuned contact rail pieces. Subsequently, the respective contact rail pieces to form the
  • the dimensions of the contact rail pieces in the longitudinal extent of the composite busbar are slightly smaller than the inner dimensions of the recesses of the bus bar thus composed.
  • the contact rail pieces and the recesses are cuboid.
  • the respective contact rail pieces also have such a width in the transverse direction that they protrude after insertion into the respective recesses of the outer profile of the respective Isolierschie- nen Anlagens. On this protruding part then, for example, a rider for Stromaus ultimately be attached.
  • the first and second flat profile rail have the same profile thickness.
  • a further, particularly advantageous embodiment follow the respective insulation and contact rail pieces are welded together.
  • the composite busbar is given a particularly high level of mechanical stability with at the same time a low ohmic contact resistance of the insulating rail piece to the contact rail piece and vice versa.
  • the contact rail pieces used on the narrow side of the Isolierschienenettess can be pressed with the insulating rail piece.
  • the insulating and contact rail pieces can be alternatively soldered together in the event that they are made of copper.
  • the respective insulating and contact rail pieces in the sense of a tongue and groove connection, in particular via a dovetail joint, are joined together in the longitudinal extent of the composite busbar.
  • the interlocking fingers and recesses of the insulating and contact rail pieces are pressed together to increase the mechanical strength and to minimize the ohmic contact resistance.
  • a longitudinal end of the busbar or a region within the longitudinal extension of the busbar is fanned out by means of an extruded profile piece as a tap contact. The extruded profile piece has previously been cut to length by an extruded profile.
  • the latter has a single or multiple angled profile cross-section which extends transversely to the extrusion direction and transversely to the longitudinal extent of the assembled busbar.
  • the use of an extruded profile can be separated from the profile pieces for fanning the busbar, if necessary, advantageously a consistently high quality with constant low component tolerances possible.
  • a further advantage is that it is possible to dispense with the otherwise required single or multiple bending of a conventional extruded profile with a rectangular cross section for producing a profile piece for fanning out.
  • a busbar which is produced by the method according to the invention.
  • a busbar system can have at least two such busbars arranged parallel to one another and electrically insulated from one another.
  • Such a, in particular multi-phase busbar system can be used e.g. be connected to a three-phase public power grid of a power company, in which case three, four or five bus bars according to the invention broadside are arranged side by side on broadside.
  • the bus bar according to the invention and the busbar system according to the invention are typically for high-current applications with a nominal current value of 100 A and more per current Rail, in particular with a rated current value of 500 A and more per busbar, usable.
  • an extruded profile piece cut to length from an extruded profile can be advantageously used as a connection contact for fanning out a longitudinal end of a busbar or for fanning a busbar within its longitudinal extent.
  • the extruded profile in this case has a transverse to the extrusion direction, single or multiple angled profile cross-section.
  • FIG 1 shows a known embodiment of a busbar
  • FIG 2 shows another known embodiment of a busbar
  • FIG. 3 shows a flow chart of a production method for a busbar according to the invention
  • FIG. 5 shows a conductor rail produced according to a second method variant
  • FIG. 6 shows a use of a stretch connector in one
  • Figure 7 shows an example of a conductor rail according to the invention with 90 ° -Knickstelle
  • FIG. 8 shows a perspective view of an extruded profile according to a first embodiment
  • FIG. 9 shows a use according to the invention of a profile piece of the extruded profile according to FIG. 8 as a fanned-off tap contact for a longitudinal end
  • 10 is a perspective view of an extruded profile according to a second embodiment
  • FIG 11 shows an inventive use of a profile piece of the extruded profile according to FIG 10 within the longitudinal extent of the busbar.
  • FIG. 1 shows a known embodiment of a busbar 10.
  • LR the longitudinal extension of the busbar 10 is designated.
  • QR and DR a transverse direction and a profile strength direction are designated.
  • SM narrow sides
  • BS broad sides
  • ST the end faces of the bus bar 10 shown by ST.
  • the known busbar 10 alternately successive, designed as Abgriffessore K contact areas.
  • I interposed insulating regions of the busbar 10 are designated.
  • the busbar 10 is typically made of a flat profile piece, wherein the flat profile piece is first galvanized for applying a metal layer and then, with the exception of the contact areas K, provided with an electrical insulating layer.
  • FIG. 2 shows another known embodiment of a busbar 10.
  • the untreated flat profile piece is galvanized again first.
  • connection pieces 3 are inserted flush and welded to the flat profile piece.
  • the connecting pieces 3 project laterally out of the outer profile of the flat profile piece, in order in each case to form a tap contact K, for example for attaching a so-called rider for discharging current.
  • 3 shows a flow chart of a production method for a busbar 10 according to the invention.
  • step Sl denotes a start step.
  • a first flat profile rail is cut with a previously applied electrical insulating layer.
  • a second flat profile rail is cut with at least one galvanically previously applied electrically conductive, metallic contact layer.
  • the busbar is assembled from at least one insulating rail piece of the first flat profile rail and from a plurality of contact rail pieces of the second flat profiled rail individually distributed along the busbar for one tap contact each.
  • step S5 the rail pieces become the individually assembled
  • Busbar assembled with the multiple tap contacts denotes a final step of the production method according to the invention.
  • the first flat profile rail 1 is cut into a plurality of insulating rail pieces 11-13 divided up in the longitudinal extension LR.
  • a previous metallic galvanization of the untreated flat profile rail 1 does not take place.
  • a second flat profiled rail 2 shown underneath is cut into a plurality of contact rail pieces 21-26, which are divided here by way of example and are divided into longitudinal extension LR.
  • Both flat profile rails 1, 2 have an identical profile thickness.
  • N is the resulting, the respective rail pieces 11-13, 21-26 mechanically and electrically connecting welds called. They preferably run completely around the respective joint.
  • FIG. 5 shows a busbar 10 produced according to a second variant of the method.
  • the insulating busbar pieces 11-13 are cut, for example, six individually distributed cutouts A are arranged on one
  • Narrow side SM provided in longitudinal extension LR.
  • the second flat profiled rail 2 shown underneath is cut into a plurality of contact rail pieces 21-26, which are divided equally in length and geometrically coordinated with the dimensions of the respective recesses A, into a plurality of contact rail sections 21-26 which are divided in the longitudinal extension LR.
  • These cuboid contact rail pieces 21-26 are now used to form the Abgriffessore K in the respective recesses A and then inextricably merge by means of several welding operations.
  • FIG. 7 shows another example of a bus bar 10 according to the invention with a 90 ° kink.
  • the busbar 10 shown has two insulating rail pieces 11, 12, each with a terminal end piece 27, 28 attached as an end contact K.
  • the two Isolierschienen foundede 11, 12 are welded together mechanically and electrically facet.
  • the extruded profile 40 shown has a double angled profile cross-section running transversely to the extrusion direction SR. It thus has three in the extrusion direction SR extending transversely adjacent flat surfaces, which are preferably inclined at an angle in the range of 20 ° to 45 ° to each other.
  • the transverse direction is typically perpendicular to the extrusion direction SR, that is perpendicular to the longitudinal direction of the extruded profile 40.
  • the two transverse to the transverse outer planes are parallel to each other.
  • four extruded profile pieces 41 can be cut to length from the extruded profile 40.
  • such an extruded profile 40 has a length of several meters, so that a plurality of extruded sections 41 can be cut to length.
  • the profile pieces have a length in the extrusion direction of 10 cm to 25 cm.
  • FIG 9 shows a use of a profile piece 41 of the extruded profile 40 according to FIG. 8 as a fan-out tap contact K for a longitudinal end of a busbar 10 according to the invention.
  • a fanning out by the distance F in the direction of the profile thickness is possible by the double bending as shown in FIG 8.
  • lying on the front side of the busbar 10 profile piece 41 is offset by the distance F to the other busbar 10 in the profile thickness direction. It can be added to an already attached profile piece 41 for further fanning also another profile piece 41. This is e.g. advantageous in multi-phase busbar systems.
  • a plurality of bus bars 10 according to the invention are typically arranged parallel to each other and electrically insulated from one another.
  • a further extruded profile 40 can be used, which provides a profile cross-section with a higher fan-out distance F.
  • FIG. 10 shows a perspective view of an extruded profile 50 according to a second embodiment.
  • the profile cross-section is formed such that a fanning out of the bus bar 10 according to the invention within its longitudinal extent LR is possible.
  • the two run in the transverse direction the second embodiment of the extruded profile 50 outboard plan levels in a plane.
  • FIG. 11 shows a use according to the invention of a profile piece 51 of the extruded profile 50 according to FIG. 10 as a fanned tap contact K.
  • F denotes the fringing distance which is required there, e.g. to attach a rider in compliance with minimum air distances for a Stromaustechnisch.
  • F it is also possible to use a further extruded profile 50, which provides a profile cross section with a higher fanning distance F.

Landscapes

  • Installation Of Bus-Bars (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

L'invention concerne un procédé de fabrication pour une barre omnibus (10) à profil plat munie de plusieurs contacts de prise (K) comprenant les étapes suivantes: - coupe d'un premier rail à profil plat (1) sur lequel une couche électriquement isolante a été préalablement appliquée; - coupe d'un deuxième rail à profil plat (2) sur lequel une couche de contact métallique, électroconductrice, a été préalablement appliquée par galvanisation; - montage de la barre omnibus (10) composée d'au moins un morceau de rail isolant (11-13) du premier rail à profil plat (1) et de plusieurs morceaux de rail de contact (21-26) du deuxième rail à profil plat (2) disposés de manière individuellement répartie le long de la barre omnibus (10) pour chaque contact de prise (K); et - assemblage des morceaux de rail (11-13; 21-26) pour obtenir la barre omnibus (10) montée individuellement et comprenant plusieurs contacts de prise (K).
PCT/EP2010/056798 2009-06-08 2010-05-18 Fabrication d'une barre omnibus munie de plusieurs contacts de prise à partir d'un rail à profil plat notamment totalement isolé ou totalement en métal galvanisé WO2010142514A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10721476A EP2441137A1 (fr) 2009-06-08 2010-05-18 Fabrication d'une barre omnibus munie de plusieurs contacts de prise à partir d'un rail à profil plat notamment totalement isolé ou totalement en métal galvanisé
CN201080025442.1A CN102460856B (zh) 2009-06-08 2010-05-18 由尤其完全绝缘的和由完全金属电镀的扁平型材条制造具有多个分接触头的汇流排的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009024935.4 2009-06-08
DE102009024935A DE102009024935A1 (de) 2009-06-08 2009-06-08 Herstellung einer Stromschiene mit mehreren Abgriffkontakten aus einer insbesondere vollständig isolierten und aus einer vollständig metallisch galvanisierten Flachprofilschiene

Publications (1)

Publication Number Publication Date
WO2010142514A1 true WO2010142514A1 (fr) 2010-12-16

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PCT/EP2010/056798 WO2010142514A1 (fr) 2009-06-08 2010-05-18 Fabrication d'une barre omnibus munie de plusieurs contacts de prise à partir d'un rail à profil plat notamment totalement isolé ou totalement en métal galvanisé

Country Status (4)

Country Link
EP (1) EP2441137A1 (fr)
CN (1) CN102460856B (fr)
DE (1) DE102009024935A1 (fr)
WO (1) WO2010142514A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10468841B2 (en) 2016-08-22 2019-11-05 Lear Corporation Bus bar header assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012022745B4 (de) 2012-11-21 2021-03-18 Helmholtz-Zentrum Berlin für Materialien und Energie Gesellschaft mit beschränkter Haftung Tandem-Dünnschicht-Solarzelle
EP3337304B1 (fr) * 2016-12-19 2020-02-05 ABB Schweiz AG Barre omnibus multiphase servant à la conduction d'énergie électrique et son procédé de fabrication
DE102016124963A1 (de) * 2016-12-20 2018-06-21 Te Connectivity Germany Gmbh Stromtransporteinrichtung, insbesondere elektrische oder elektromechanische Stromschiene
WO2020244749A1 (fr) * 2019-06-05 2020-12-10 Abb Schweiz Ag Élément de couplage pour coupler électriquement les parties de connexion latérales d'une première et d'une seconde barre omnibus stratifiée par l'intermédiaire d'un disjoncteur et agencement comprenant un tel élément

Citations (5)

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US4758172A (en) * 1987-10-13 1988-07-19 General Electric Company Power distribution busway system
US4886468A (en) * 1988-06-08 1989-12-12 General Electric Company Insulated electrical power distribution busway tabs
US5466889A (en) * 1993-03-25 1995-11-14 Siemens Energy & Automation, Inc. Electrical power busway and insulator assembly
DE69906233T2 (de) * 1998-12-14 2003-11-06 Schneider Electric Industries Sas, Rueil-Malmaison Elektrische Verbindung für Sammelschiene
DE102007047556A1 (de) * 2007-09-28 2009-04-02 Siemens Ag Stromschiene sowie Stromschienensystem

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DE2731850C2 (de) 1977-07-14 1984-07-12 Hans Flohe GmbH & Co, 4620 Castrop-Rauxel Verbindungsstelle für stromführende Bauteile und Verfahren zu ihrer Herstellung
FR2484724A1 (fr) 1980-04-16 1981-12-18 Telemecanique Electrique Procede de realisation d'une surface de contact et moyen pour sa mise en oeuvre
ITBS20020054A1 (it) * 2002-06-05 2003-12-05 Bbi Electric Spa Metodo di nastratura di barre conduttrici per condotti elettrici
CN101436765B (zh) * 2008-12-11 2010-12-08 江苏威腾母线有限公司 密集型母线槽插口分接桩头

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US4758172A (en) * 1987-10-13 1988-07-19 General Electric Company Power distribution busway system
US4886468A (en) * 1988-06-08 1989-12-12 General Electric Company Insulated electrical power distribution busway tabs
US5466889A (en) * 1993-03-25 1995-11-14 Siemens Energy & Automation, Inc. Electrical power busway and insulator assembly
DE69906233T2 (de) * 1998-12-14 2003-11-06 Schneider Electric Industries Sas, Rueil-Malmaison Elektrische Verbindung für Sammelschiene
DE102007047556A1 (de) * 2007-09-28 2009-04-02 Siemens Ag Stromschiene sowie Stromschienensystem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10468841B2 (en) 2016-08-22 2019-11-05 Lear Corporation Bus bar header assembly

Also Published As

Publication number Publication date
CN102460856A (zh) 2012-05-16
EP2441137A1 (fr) 2012-04-18
CN102460856B (zh) 2014-07-16
DE102009024935A1 (de) 2010-12-09

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