EP2686860A1 - Unité curseur de contact pour une unité de commutation - Google Patents

Unité curseur de contact pour une unité de commutation

Info

Publication number
EP2686860A1
EP2686860A1 EP12732585.0A EP12732585A EP2686860A1 EP 2686860 A1 EP2686860 A1 EP 2686860A1 EP 12732585 A EP12732585 A EP 12732585A EP 2686860 A1 EP2686860 A1 EP 2686860A1
Authority
EP
European Patent Office
Prior art keywords
contact slide
contact
switching
line
side edges
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.)
Withdrawn
Application number
EP12732585.0A
Other languages
German (de)
English (en)
Inventor
Alexander Spies
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP2686860A1 publication Critical patent/EP2686860A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/04—Stationary parts; Contacts mounted thereon
    • 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
    • H01H1/2008—Facilitate mounting or replacing contact bridge and pressure spring on carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • 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 contact slide unit for a switching unit, in particular for a circuit breaker, facing ⁇ a contact slide, in which a switching piece is feasible, and a contact slide guide device in which the contact slide is guided.
  • Switching units serve, among other things, the safe switching off in the event of a short circuit and thus protect consumers and systems. Further, electrical or mechanical switching devices for the operating moderate manual switching of consumers and for si ⁇ Cheren separation of a plant from the power supply during maintenance work or changes to the system are suitable. Electrical switching units , in particular circuit breakers, are frequently operated electromagnetically.
  • switching units are high-quality electrical switching devices with integrated protection for Mo ⁇ gates, lines, transformers and generators. They are used in places with low switching frequency. Such switching units are suitable in addition to the short circuit protection for overload protection.
  • Switching unit safely disconnects an electrical system. Thus, these provide a protection against overload. Every conductor through which electricity flows heats up more or less. The heating depends on the ratio of the current intensity to the conductor cross-section, the so-called current density. The current density must not be too large, as otherwise overheating may spatter the conductor insulation and possibly trigger a fire. To protect electrical equipment against the damaging effects, switching units are used as overcurrent protective devices. Circuit breakers have two separate release mechanisms for overload and short-circuit protection. Both triggers are connected in series. The protection in the event of a short-circuit takes over a temporally almost instantaneous act ⁇ the electromagnetic release. In the event of a short circuit, the electromagnetic release releases without delay
  • Switch lock of the circuit breaker A switching armature disconnects the contactor before the short-circuit current can reach its maximum value.
  • Known switching units have a contact slide unit with a contact slide and a movable contact piece.
  • the movable contact piece also has electrical contacts.
  • switching units have fixed contacts to a power line.
  • the electrical contacts of the movable contact piece contact the fixed contacts of the switching unit.
  • the electrical contacts of the movable contact piece are released from the fixed contacts, so that the flow of current is interrupted.
  • the movable contact is released from the fixed contacts.
  • Known contact slide of switching units often have two guide systems, an inner and an outer guide ⁇ system on.
  • the outer guide system is used when the switching operation, that is, the switching on or off, via a switching mechanism of the switching unit.
  • the inner guide system is used in the event of a short circuit when the switching operation takes place via a switching armature, frequently a tappet, of the switching unit. That is, turn ⁇ when disconnecting due to a short circuit hastens the movable contact along the inner guidance system the contact slide forward, bounces off impact surfaces in the so-called lower part of the switching unit and flies back along the inner guidance system. In this case, it flies against the switching armature or the plunger of the switching unit.
  • a major problem with known circuit breakers is that the contact slide can jam in its guide, this is especially true in heavy dirt development. In this case, silver beads of different sizes between see contact slide and contact slide guide and can lead to a deadlock. As a result, through errors occur because the contact bridge is no longer pressed onto the fixed contacts. The contact slider blocks the movement of the bridge. Turning the power switch back on is impossible. The function of the power scarf ⁇ ters is no longer guaranteed. He has to be replaced.
  • the object of the present invention is to provide a contact slide unit for a switching unit, which is technically easy to implement without complex procedures and allows reliable handling.
  • a Kunststoffschie ⁇ beratti for a switching unit, in particular for a circuit breaker, comprising a contact slide, in which a switching piece is feasible, and a contact slide guide device, in which the contact slide is guided.
  • the invention is characterized by a line contact is provided between contact slide and contact slide guide device.
  • the essential feature of the present invention lies in a line contact between contact slide and contact slide guide with deliberately provided spaces. Previous slider contours are designed such that a surface contact is provided. This favors jamming by large silver beads. In the line contact according to the invention, the probability of pinching a silver bead exactly at the line is lower.
  • the spaces between the individual guide lines which may be in the form of webs, give the beads space to store.
  • the contact slide according to the invention preferably has two parallel aligned leg elements, which are connected to one another in the upper region of the contact slide by at least one first transition region.
  • the leg elements serve to guide a contact pressure spring, not shown.
  • Above the transition region from a ⁇ recess is formed is released by a bearing surface of over ⁇ transition region. On this support surface, not shown switching piece can be placed.
  • At the upper end of the leg elements is preferably a second
  • Transition region formed, which connects the two leg members together.
  • the first transition region is formed parallel to the second transition region.
  • Both transition regions preferably have centrally arranged concentrically arranged recesses which are designed to pass through a switching armature, in particular a tappet.
  • the contact slide has in its second transition region on a surface having four side edges, where ⁇ are formed the same at the opposite side edges.
  • the first pair of opposed Be ⁇ tenkanten is preferably teilkonzentrisch manufactured ⁇ det, whereby trained to the side edges teilkonzentrischen preferably line-shaped tabs along the leg members are.
  • the second pair of opposite side edges is preferably formed as a polygon.
  • the contact slide according to the invention is such in the Gepatiu- se of the switching device, in particular a power switch turned ⁇ embeds that as a low-contact guide is present.
  • a power switch turned ⁇ embeds that as a low-contact guide is present.
  • Switching chamber is therefore generously cut out to leave room for the silver beads. Only at a total of preferably six points, namely at the points at which the line-shaped lugs are formed, a punctual guidance.
  • at least one pa rallel to ⁇ arranged preferably is also arranged line-shaped recess so that an alternating system of line-shaped noses and line-shaped cut-outs formed.
  • the present invention is characterized in that only one line contact is provided between a contact slide of a switching device, in particular a circuit breaker and a contact slide guide device, that is to say the housing.
  • the aim of the lines is a contact-poor guidance of the contact slide.
  • silver beads are deposited on the walls of the switching chamber, which can cause the contact slide in the switching chamber to become jammed when touched flatly.
  • the majority of the area between contact slide and switching chamber is therefore generously cut out to leave room for the silver beads.
  • a punctual guide in the form of line-shaped noses is provided only at a total of six points.
  • the inventive line management the probability of jamming of the slide vermin ⁇ changed.
  • the silver beads will be provided with a storage room. As a result, the overall risk of passing errors of the switching device is reduced. Further advantages and embodiments of the invention will be explained below with reference to embodiments and with reference to the drawing. Here are shown schematically:
  • Figure 1 is a perspective view of a contact slide according to the invention with lines.
  • Fig. 2 is a plan view of an embodiment of he ⁇ inventive contact slide installed in a Wegge ⁇ housing.
  • an inventive contact slide 1 is ones shown, provides, which preferably has two parallel aligned's ⁇ kelieri 2, 3, which are ⁇ rich connected in the upper region 4 of the Kon ⁇ clock slide 1 by at least a first Mattergangsbe 5 with each other.
  • the leg elements 2, 3 serve to guide a contact pressure spring (not shown).
  • Above the transition region 5 is a
  • a second transition region 9 is preferably formed, which connects the two leg elements 2, 3 with each other.
  • the first transition region 5 is formed parallel to the second transition region 9.
  • Both transitional regions 5, 9 have preferential ⁇ example centrally disposed concentric recesses 10, 11 which are designed to carry out a scarf tanker, especially a tappet.
  • the contact slide 1 has in its transition region 9 a surface 12 which has four side edges 13, 14, 15, 16, wherein the respective opposite side edges 13, 15 and 14, 16 are formed the same.
  • the side edges 14, 16 are vorzugswei ⁇ se partially concentric, wherein at the partially concentric side edges 14, 16 line-shaped lugs 17 along the leg members 2, 3 are formed.
  • the opposite lying side edges 13, 15 are preferably formed as a polygon.
  • Respectively adjacent to a line-shaped nose 17 at least one is arranged parallel to preferably flat ⁇ if line-shaped recess 18 is arranged such that an al- ternierendes system of line-shaped lugs 17 and line-shaped recesses 18 is formed.
  • Fig. 2 shows the contact slide 1 according to the invention in its switching housing environment.
  • the contact slide 1 according to the invention is thus embedded in the housing of the switching device, in the particular circuit breaker, in such a way that, as far as possible, there is a contact-free guidance.
  • the silver pearls depositing on the walls of the switching chamber in the event of a short circuit cause the contact slide in the switching chamber to become jammed in the event of surface contact.
  • the majority of the area between contact slide 1 and switching ⁇ chamber is generously recessed to provide the silver beads storage space. Only at a total of preferably six points is a point guidance in the form of line-shaped lugs 17th
  • the present invention is characterized in that approximately device between a contact spool of a switching device, in particular a circuit breaker and a Needlesschieberit-, that is to say the housing, only one Li ⁇ nienberlickung is provided.
  • the aim of the lines is a contact-poor guidance of the contact slide.
  • silver beads are deposited on the walls of the switching chamber, which can cause the contact slide in the switching chamber to become jammed in the event of surface contact.
  • a punctual guide in the form of line-shaped noses is provided only at a total of six points.
  • the inventive line management the probability of jamming of the slide vermin ⁇ changed.
  • the silver beads will be provided with a storage room provides. This reduces overall the risk of fürgangsfeh ⁇ learning the switching device.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Slide Switches (AREA)

Abstract

L'invention concerne une unité curseur de contact pour une unité de commutation, notamment pour un disjoncteur de puissance, comprenant un curseur de contact (1) dans lequel un élément de commutation peut être guidé et un dispositif de guidage de curseur de contact dans lequel le curseur de contact (1) est guidé. L'invention est caractérisée en ce qu'un contact de ligne est prévu entre le curseur de contact (1) et le dispositif de guidage de curseur de contact.
EP12732585.0A 2011-07-05 2012-06-20 Unité curseur de contact pour une unité de commutation Withdrawn EP2686860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110078632 DE102011078632A1 (de) 2011-07-05 2011-07-05 Kontaktschiebereinheit für eine Schalteinheit
PCT/EP2012/061862 WO2013004499A1 (fr) 2011-07-05 2012-06-20 Unité curseur de contact pour une unité de commutation

Publications (1)

Publication Number Publication Date
EP2686860A1 true EP2686860A1 (fr) 2014-01-22

Family

ID=46458466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12732585.0A Withdrawn EP2686860A1 (fr) 2011-07-05 2012-06-20 Unité curseur de contact pour une unité de commutation

Country Status (8)

Country Link
US (1) US9123482B2 (fr)
EP (1) EP2686860A1 (fr)
KR (1) KR20140041822A (fr)
CN (1) CN103650092B (fr)
BR (1) BR112014000071A2 (fr)
DE (1) DE102011078632A1 (fr)
IN (1) IN2013DN10342A (fr)
WO (1) WO2013004499A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104217868A (zh) * 2014-09-26 2014-12-17 成都锐奕信息技术有限公司 基于实现内部运行平稳的行程开关
CN104217869A (zh) * 2014-09-26 2014-12-17 成都锐奕信息技术有限公司 能够对部件移动行程进行控制的装置
CN106740296A (zh) * 2016-12-16 2017-05-31 智德电机（苏州）有限公司 一种新型座椅靠背调节电机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1170497B (de) * 1962-08-11 1964-05-21 Elektrotechnische Spezial Fabr Drucktaster fuer zwei Stromkreise
DE1889859U (de) * 1964-01-11 1964-03-26 Karl Noerenberg Reibkontakt fuer klingeltaster.
DE1765920C3 (de) * 1968-08-07 1974-06-12 Kloeckner-Moeller Elektrizitaetsgmbh, 5300 Bonn Kontaktanordnung für elektrische Schaltgeräte
NL7213670A (fr) 1972-10-10 1974-04-16
US5324902A (en) * 1993-06-21 1994-06-28 Shen Chen T Mechanical key switch for a membrane keyboard
US5670759A (en) * 1995-07-14 1997-09-23 Acer Peripherals, Inc. Push button switch including complementary housing and actuator polygonal shapes
DE19818058C2 (de) * 1998-04-22 2000-12-14 Siemens Ag Schaltgerät mit einer Schaltkammer-Baugruppe
US6242705B1 (en) * 2000-03-28 2001-06-05 Silitek Corporation Keyswitch
DE10356271B4 (de) * 2003-11-28 2008-02-14 Siemens Ag Schaltgerät
DE102007015794B4 (de) * 2007-03-30 2009-02-26 Siemens Ag Kontaktschiebereinheit für eine Schalteinheit, insbesondere einen Leistungsschalter, aufweisend einen Kontaktschieber und ein Schaltstück
DE102009023073A1 (de) * 2009-05-28 2010-12-02 Eaton Industries Gmbh Brückenkontaktsystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013004499A1 *

Also Published As

Publication number Publication date
CN103650092B (zh) 2016-07-06
KR20140041822A (ko) 2014-04-04
DE102011078632A1 (de) 2013-01-10
IN2013DN10342A (fr) 2015-05-15
US9123482B2 (en) 2015-09-01
US20140116862A1 (en) 2014-05-01
BR112014000071A2 (pt) 2017-02-14
WO2013004499A1 (fr) 2013-01-10
CN103650092A (zh) 2014-03-19

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