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WO2015091883A1 - Pont de commutation pour appareil de commutation - Google Patents

Pont de commutation pour appareil de commutation Download PDF

Info

Publication number
WO2015091883A1
WO2015091883A1 PCT/EP2014/078610 EP2014078610W WO2015091883A1 WO 2015091883 A1 WO2015091883 A1 WO 2015091883A1 EP 2014078610 W EP2014078610 W EP 2014078610W WO 2015091883 A1 WO2015091883 A1 WO 2015091883A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
contact
switching bridge
bridge
layer parts
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.)
Ceased
Application number
PCT/EP2014/078610
Other languages
German (de)
English (en)
Inventor
Rainer Faast
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.)
Eaton Industries Austria GmbH
Original Assignee
Eaton Industries Austria GmbH
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 Eaton Industries Austria GmbH filed Critical Eaton Industries Austria GmbH
Priority to EP14816239.9A priority Critical patent/EP3084787B1/fr
Publication of WO2015091883A1 publication Critical patent/WO2015091883A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts

Definitions

  • the invention relates to a switching bridge for a switching device according to the preamble of claim 1.
  • the part of a switching device is referred to, which is movably disposed in the switching device, and which carries a switching contact.
  • Switching contact of the switching bridge with another switching contact of the switching device which may be either fixed to the housing or also movable, brought into contact.
  • another switching contact of the switching device which may be either fixed to the housing or also movable, brought into contact.
  • a high contact pressure is important to achieve a long life of the contacts.
  • the switching bridge must be well electrically conductive, since this is directly in the electrical current flow. In addition, the switching bridge must have sufficient mechanical strength and dimensional stability to transfer the contact pressure from one contact device to the other switching contact.
  • Switching bridges are usually formed from a copper-based alloy, wherein the switching contact is formed from a different material, and is arranged on this switching bridge.
  • a disadvantage of such copper jumpers is the low mechanical strength. To compensate for this approximately, it is known to improve the rigidity of the jumpers by special formations. However, such jumpers are each used only for a very specific type of switch and a very specific current. In addition, such switching bridges have a high volume and a high mass, since copper has a low mechanical strength while high density. This also has a negative influence on the turn-off behavior of such a switching device, since a large inertial mass must be moved, whereby the switch-off is extended, resulting in a high contact erosion.
  • the object of the invention is therefore to provide a switching bridge of the type mentioned, with which the mentioned disadvantages can be avoided, which is a high
  • a switching bridge can be formed, which can be formed both in terms of high strength and high conductivity. This also has a lower mass than a strength comparable copper bridge, whereby in particular the contact opening speed is increased and the
  • Fig. 1 shows a first preferred embodiment of an objective switching bridge in axonometric representation
  • FIG. 2 shows a schematic and non-proportional view of the switching bridge according to FIG. 1 in elevation, with first layer parts shown hatched to distinguish them;
  • 3 is a schematic representation of a switching device with a switching bridge; 4 shows a second preferred embodiment of a switching bridge;
  • Fig. 5 shows a first layer part of a switching bridge of FIG. 1 in sectioned and not proportional representation
  • FIG. 7 the switching bridge of FIG. 6 in a second axonometric representation.
  • a switching bridge 1 comprises an electrical switching contact 3 and a contact carrier 4, wherein the switching contact 3 is arranged on the contact carrier 4, wherein the contact carrier 4 has at least a first bearing part 5 and at least one second bearing part 6, wherein the first bearing part 5 comprises a first material, wherein the second bearing part 6 comprises a second material, wherein the second material is different from the first material, and wherein the first bearing part 5 and the second bearing part 6 are connected to each other, and thus form the contact carrier.
  • a switching bridge 1 can be formed, which can be formed both in terms of high strength and high conductivity. This also has a lower mass than a strength comparable copper bridge, whereby in particular the contact opening speed is increased and the
  • different switching bridges 1 can be formed for differently sized switching devices 2, wherein the contact carrier 4 can be constructed from the different layer parts 5, 6 depending on the requirements with respect to conductivity and strength.
  • the manufacturing and storage costs can be significantly reduced.
  • a flexible manufacturing can be supported.
  • the development and test costs for different switching bridges 1 different switching devices 2 a series can be significantly reduced.
  • the switching bridge 1 which can also be referred to as a contact bridge or contact arm, is the part of a switching device 2 which is movably arranged in the switching device 2 and which carries a switching contact 3.
  • the switching bridge 1 has at least one electrical switching contact 3, as well as a Contact carrier 4.
  • the at least one electrical switching contact 3 is preferably formed comprising a silver alloy, and has a contact region 11, which is intended to be contacted with a fixed contact 17, 18 of a switching device 2.
  • the switching bridge 1 is provided for the movable arrangement in a switching device 2, and preferably has at least one bearing point or a storage area. It is preferably provided that the switching bridge 1 is to be pivoted in the switching device 2, or to be moved transversely to its longitudinal extent translational.
  • Fig. 3 shows a schematic representation of a preferred embodiment of a
  • the relevant switching device 2 has a first terminal 13 and a second terminal 14, and further a first and a second fixed contact 17, 18.
  • the switching bridge 1 is formed according to FIG. 1, and has two electrical
  • the relevant switching device 2 is designed as a so-called.
  • Self-switch such as a circuit breaker, and has a trigger 15, such as a short-circuit release, which can act on a switching mechanism 16 to optionally disconnect the switch contacts 3, 17, 18 and thus interrupting the Runges from the first
  • the switching device 2 has a manual control element 19 to manually open or close the switching contacts 3, 17, 18.
  • the contact carrier 4 has at least one first bearing part 5 and at least one second bearing part 6, or is constructed from such. Preferably, the contact carrier 4 of a predetermined plurality of such first and second layer parts 5, 6 constructed.
  • the first and second layer parts 5, 6 have different materials, or are formed of different materials, wherein the first layer part 5 a first
  • the second layer part 6 comprises a, different from the first material second material.
  • the first material has a high electrical conductivity, in particular that the first material is silver and / or copper and / or aluminum.
  • the second material has a high mechanical strength, it being possible to provide that the
  • the second material When selecting the second material, pay more attention to the strength or more the dimensional stability, therefore the rigidity, is laid. It is preferably provided that the second material comprises titanium or steel. Preference may also further
  • the second material is formed as a non-conductor, wherein it is preferably provided to form the second material as a fiber amplifier plastic, such as CFK or GRP. at
  • the switching bridge 1 according to FIG. 1 has, for example, twelve first layer parts 5, which in six packs each six first
  • Layer parts 5 are arranged, wherein each of the packs is flanked by three second layer parts 6.
  • the switching bridge 1 may have different shapes.
  • Fig. 4 shows in this regard a switching bridge 1 for a circuit breaker.
  • Basic shape having a first side surface 7 and a second side surface 9, wherein it is preferably provided that a predetermined number of first layer parts 5 and / or a predetermined number of second layer part 6 each have substantially identical geometry or identical Socic painrisse.
  • FIGS. 6 and 7 show a third preferred embodiment of a switching bridge 1, wherein differently shaped second layer parts 6 are provided.
  • the first layer parts 5 have a downwardly, away from the switching contacts 3, extended cross-section.
  • the planar side surfaces 7, 9 allow a simple and above all modular adaptable to different requirements structure of the switching bridge 1, wherein the first and second layer parts 5, 6 are connected to each other adjacent side surfaces 7, 9.
  • the at least one first layer part 5 and / or the at least one second layer part 6 are formed as a stamped part, which allows a rational and easily automatable production.
  • the production by means of laser cutting or water jet cutting can also be provided.
  • the first layer part 5 and the second layer part 6 are connected to one another, wherein it is provided in particular that the first layer part 5 and the second layer part 6
  • layer parts 5, 6 are soldered or welded together, which may also be provided.
  • Contact carrier 4 is soldered, wherein in the course of this soldering process, the layer parts 5, 6 are soldered together in the area of the switching contact 3 with each other.
  • the individual first and second layer parts 5, 6 at a first
  • Second side surface 7 at least one projection 8, as well as on a second side surface 9 a projection 8 gegen Eisene recess 10.
  • first or second layers 5, 6 are stacked, and form an already partially positive connection, which are then secured, for example by soldering can.
  • first and / or second, in particular all, layer parts 5, 6 are screwed or riveted together.
  • 1 and 2 each show a rivet 12, and at least the recess 10.
  • the recess 10, the projection 8, and optionally a through opening for a rivet 12 can be produced in the course of the preferred production of the layer parts 5, 6 by punching, so that a rational production continues to be supported.
  • FIG. 5 shows a section through a first bearing part 5, wherein the recess 10 and the projection 8 are shown. It is preferably provided that a side surface plane of the first and second layer parts 5, 6, therefore, a plane of the flat side surfaces 7, 9 of the individual layer parts 5, 6 is arranged in the direction of movement of the relevant switching bridge 1 in the switching device 2.
  • any solder joints between the individual layer parts 5, 6 are advantageously subjected to shear, and also the layer parts 5, 6 each have a high resistance moment or area moment of inertia.
  • the direction of the movement is detectable in many switching bridges 1 by bearing breakthroughs or the like outside of the switching device 2. It can also be provided that a contact region 11 of the switching contact 3 is substantially normal to one

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Contacts (AREA)

Abstract

L'invention concerne un pont de commutation (1) pour un appareil de commutation (2), lequel pont de commutation (1) présente un contact de commutation (3) électrique et un support de contact (4), le contact de commutation (3) étant placé sur le support de contact (4). Selon l'invention, le support de contact (4) présente au moins un premier élément en couches (5) et au moins un deuxième élément en couches (6), le premier élément en couches (5) comprend un premier matériau, le deuxième élément en couches (6) comprend un deuxième matériau, le deuxième matériau est différent du premier matériau et le premier élément en couches (5) et le deuxième élément en couches (6) sont assemblés l'un à l'autre.
PCT/EP2014/078610 2013-12-18 2014-12-18 Pont de commutation pour appareil de commutation Ceased WO2015091883A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14816239.9A EP3084787B1 (fr) 2013-12-18 2014-12-18 Pont de commutation pour appareil de commutation électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013114401.2 2013-12-18
DE102013114401.2A DE102013114401A1 (de) 2013-12-18 2013-12-18 Schaltbrücke für Schaltgerät

Publications (1)

Publication Number Publication Date
WO2015091883A1 true WO2015091883A1 (fr) 2015-06-25

Family

ID=52144697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/078610 Ceased WO2015091883A1 (fr) 2013-12-18 2014-12-18 Pont de commutation pour appareil de commutation

Country Status (3)

Country Link
EP (1) EP3084787B1 (fr)
DE (1) DE102013114401A1 (fr)
WO (1) WO2015091883A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547947A (en) * 1946-06-17 1951-04-10 Fansteel Metallurgical Corp Contact assembly
EP0079977A1 (fr) * 1981-11-21 1983-06-01 Sprecher & Schuh AG Pièce de contact pour interrupteur électrique, en particulier pour interrupteur de protection
US5075150A (en) * 1987-06-22 1991-12-24 Linton And Hirst Pack of laminations with projections and depressions in torsionally flexible contact
WO2001080260A1 (fr) * 2000-04-18 2001-10-25 Moeller Gmbh Contact de commutation electrique et son procede de fabrication
US7148774B1 (en) * 2005-07-11 2006-12-12 Eaton Corporation Contact assembly
DE102007040171A1 (de) * 2007-08-22 2009-02-26 Siemens Ag Kontakthebel für einen Leistungsschalter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237031A1 (de) * 1982-10-06 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Brueckenkontaktanordnung
DE102011080468B4 (de) * 2011-08-04 2019-05-29 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Kontaktträgers eines Schaltkontaktes für ein elektromechanisches Schaltgerät sowie ein solcher Kontaktträger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547947A (en) * 1946-06-17 1951-04-10 Fansteel Metallurgical Corp Contact assembly
EP0079977A1 (fr) * 1981-11-21 1983-06-01 Sprecher & Schuh AG Pièce de contact pour interrupteur électrique, en particulier pour interrupteur de protection
US5075150A (en) * 1987-06-22 1991-12-24 Linton And Hirst Pack of laminations with projections and depressions in torsionally flexible contact
WO2001080260A1 (fr) * 2000-04-18 2001-10-25 Moeller Gmbh Contact de commutation electrique et son procede de fabrication
US7148774B1 (en) * 2005-07-11 2006-12-12 Eaton Corporation Contact assembly
DE102007040171A1 (de) * 2007-08-22 2009-02-26 Siemens Ag Kontakthebel für einen Leistungsschalter

Also Published As

Publication number Publication date
EP3084787B1 (fr) 2024-02-28
EP3084787A1 (fr) 2016-10-26
DE102013114401A1 (de) 2015-06-18

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