EP1405325B1 - Appareil de commutation avec mecanisme de verrouillage - Google Patents

Appareil de commutation avec mecanisme de verrouillage Download PDF

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Publication number
EP1405325B1
EP1405325B1 EP02760086A EP02760086A EP1405325B1 EP 1405325 B1 EP1405325 B1 EP 1405325B1 EP 02760086 A EP02760086 A EP 02760086A EP 02760086 A EP02760086 A EP 02760086A EP 1405325 B1 EP1405325 B1 EP 1405325B1
Authority
EP
European Patent Office
Prior art keywords
housing
switching device
bolt
contact
contact arm
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
EP02760086A
Other languages
German (de)
English (en)
Other versions
EP1405325A1 (fr
Inventor
Winfried Vierling
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 EP1405325A1 publication Critical patent/EP1405325A1/fr
Application granted granted Critical
Publication of EP1405325B1 publication Critical patent/EP1405325B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H2071/0292—Housing or frames containing grooves or slots for guiding movable parts

Definitions

  • the invention relates to a switching device according to the preamble of claim 1
  • a switching device in particular a protective switching device, with a Switch lock, for example, comes as a circuit breaker for use.
  • Circuit breaker also as a circuit breaker or automatic circuit breakers are called today mainly used in place of fuses.
  • Circuit breakers are overcurrent circuit breakers with a first and a second triggering device on a Switch lock act.
  • An electromagnetic tripping device acts as a quick release in the event of a short circuit.
  • a thermal bimetal tripping device switches on permanent Overloads if the line concerned is inadmissible heated.
  • the switch lock can also be by means of actuate a manually operable switch knob, which the respective circuit breaker also to interrupt a circuit can serve.
  • a protective switching device forming the preamble of patent claim 1 is disclosed in DE 199 19 420 A1. Further If such a circuit breaker is e.g. also from of US 4,968,863. For a circuit breaker represents the contact force between a fixed, first Contact piece and arranged on a movable contact arm, second contact piece a significant parameter dar.
  • the circuit breaker of the above-mentioned state However, the technique has a disadvantageous parameter influencing construction on.
  • the invention is therefore based on the object, a switching device specify that given a constant contact force should be.
  • From DE 34 23 541 A1 also has a circuit breaker known, the latch lever in a backdrop in a side wall a housing is guided to a switch lock in to fix his position.
  • the switching device With the switching device according to the invention it is achieved that the Contact force between the two contact pieces kept constant is.
  • the constant contact force is also at one given a small number of equipment components, creating a cost-effective Construction of the switch lock and thus of the Switching device can be enabled.
  • the guiding function is given by the bolt, the displaceable in a receiving element formed by the housing is guided. Due to this configuration arise the contours of the recess of the movable contact arm no by the deflection axis caused transverse forces more. consequently can reduce the contact force and increase the Device temperature due to shear force induced friction losses be avoided.
  • the design freedom remains with regard to the different switching positions of Switch lock and adjacent device components in the switching device of the new design of the switching mechanism unaffected.
  • the forces of contact a tension spring and the pawl be disregarded.
  • An element for compensation possibly occurring Transverse forces can therefore also be saved
  • the receiving element as Anformteil of the housing educated. This is a simple one-piece unit given that produce as cast or pressed part leaves. A cost reduction during production and assembly the individual device components comes here favorably to carry.
  • the receiving element as formed separate housing part and movable in the housing locatable. This can be advantageous adaptation to different requirements of the switching device, in particular to the kinematics and the effective forces.
  • the receiving element is an arcuate backdrop formed, which has an arcuate opening.
  • the movable contact arm is therefore, depending on the design variant of the switching device, inevitably guided and optimized.
  • the recess is formed open or closed, giving a further potential for savings and a Facilitates the assembly of the device components, in particular of the movable contact arm, is given.
  • the housing consists of two housing shells each with a receiving element, wherein the bolt on both sides guided. This results in a high management stability and a precise movement.
  • the housing is made of insulating material.
  • insulating material Come here the insulating properties of the insulating material in so far advantageous to carry than that of these existing provisions for protection against contact and beyond one electrical and thermal decoupling between the device components and groups.
  • FIG 1 a switching device 1 with a housing 2 and a Switch lock 3 shown in the so-called off position AS.
  • the switching mechanism 3 has a release lever 4, a pawl 5, a movable contact arm 6 and a housing-fixed deflection axis 7 on.
  • the contact arm 6 has in this view approximately mirrored S-shape and is on his Component length approximately in the middle, in particular in an aspect ratio of 1: 2, provided with a recess 8 in which the Deflection axis 7 is arranged.
  • the recess 8 can be made both open and closed be and is in terms of component width of the contact 6 directed substantially to the release lever 4 out.
  • the recess 8 has an excess with respect to the deflection axis 7 on, thereby facilitating assembly of the device components given is.
  • the recess 8 is used in conjunction with the deflection axis 7 only the cohesion of the device components.
  • the deflection axis 7 is largely free in the recess Arranged 8 and possibly meets as a stop a limiting or redirecting function.
  • the pawl 5 is the end by means of a bolt 9 at a coupled to the first end 10 of the contact arm 6.
  • the bolt 9 is in turn displaceable in a housing 2 formed by the Receiving element 11 out.
  • the receiving element 11 can also be used as a curved backdrop be formed, wherein the receiving element 11 and possibly the Kulisse equally have an arcuate opening 12.
  • the receiving element 11 can both as molded part of the housing 2 and be designed as a separate housing part.
  • the separate housing part can be moved in the housing 2 be arranged so that a variety of design options given is.
  • the pawl 5 At the end of the bolt-coupled Side opposite end is the pawl 5 with a Bracket 13 connected, in turn, with a toggle 14 in Active compound is.
  • the housing 2, which optionally made of insulating material is, can consist of two housing shells, each with one Receiving element 11 are made, wherein the bolt 9 on both sides is guided.
  • the contact arm 6 has between the recess 8 and the bolt 9 an engagement opening 15 for engaging therein Tension spring 16 on.
  • the tension spring 16 is also in a receiving opening 17 received a bracket 18 and learns this a bias.
  • the holder 18 may be in a first angular range ⁇ are mounted or adjusted so that advantageously different tension spring different Assign contact forces, creating definable Switching device types can be determined.
  • a first contact piece 20 At a second End 19 of the contact arm 6 is a first contact piece 20 in arranged approximately at the same height to a second contact piece 21.
  • the second contact piece 21 is on a fixed contact carrier 22, the part of an unspecified described here Unit is.
  • the switch lock 3 has, in contrast to a conventional Switch lock next to the deflection axis 7, the receiving element 11th on, which as a rotary and pivoting element for the movable Contact arm 6 serves.
  • the leadership of the mobile Contact arm 6 not by a combination of deflection 7th and recess 8, but by the receiving element 11, whose Opening 12 and the guided therein pin 9, given.
  • FIG. 2 shows the switching device 1 according to FIG. 1 in the contact position KS.
  • a temporary intermediate position of the switch lock 3, in which touch the two contacts, is referred to as contact position KS.
  • the receiving element 11 is arranged centrally about the deflection axis 7 of the contact arm 6.
  • the contact arm 6 associated, first contact piece 20 is located on the second contact piece 21, without causing the full Contact force K3 is effective.
  • the through the variable bracket 18 given first angular range ⁇ forms at one second angle range ⁇ - due to the kinematics of the Switching mechanism 3 - at the contact point of the contact pieces 20,21 from.
  • Transverse forces acting on the contact arm 6 are transmitted via the bolt 9 in the receiving element 11 and not on the deflection axis 7 passed on the inner contours of the recess 8.
  • One Small radius on the bolt 9 favors possibly occurring friction losses.
  • disturbing transverse forces significantly reduced, resulting in even a small number of device components - ie without device components, the one Compensate for tilting moments - a constant contact force K3 is given.
  • the force action lines must the pawl, the tension spring and the contact L1, L2 or L3 no longer be arranged parallel to each other to possibly occurring lateral forces to be kept small.
  • the essential idea of the present idea is the leadership of the movable contact arm of the recess with the arranged therein deflection axis on the in the receiving element to relocate guided bolt.

Landscapes

  • Breakers (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Slide Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

Appareil de connexion (1) qui comporte un boîtier (2) et un mécanisme de verrouillage de connexion (3) comportant un levier de déclenchement (4), un cliquet (5), un bras de contact mobile (6) et un axe de déviation (7) fixé au boîtier. L'objet de la présente invention est de produire une force de contact constante (K3). A cet effet, le cliquet (5) est couplé, au niveau de son extrémité, au bras de contact mobile (6) à l'aide d'une cheville (9). Ladite cheville (9) est conçue pour être guidée coulissante dans un élément de réception (11) ménagé dans le boîtier (2).

Claims (7)

  1. Appareil (1) de commutation, comportant un boítier (2) et comportant un verrou (3) de maintien qui comporte un levier (4) de déclenchement, un cliquet (5), un bras (6) de contact mobile et un axe (7) de renvoi fixe sur le boítier, le bras (6) de contact mobile étant muni d'un évidement (8) dans lequel est disposé l'axe (7) de renvoi, et le cliquet (5) étant couplé côté extrémité, au moyen d'un axe (9), au bras (6) de contact mobile,
       caractérisé en ce que
       l'axe (9) est guidé avec possibilité de coulissement dans un élément (11) de réception formé par le boítier (2).
  2. Appareil de commutation suivant la revendication 1,
       caractérisé en ce que
       l'élément (11) de réception vient de matière avec le boítier (2).
  3. Appareil de commutation suivant l'une des revendications 1 ou 2,
    caractérisé en ce que
       l'élément (11) de réception peut être réalisé en pièce de boítier distincte et être monté mobile dans le boítier (2).
  4. Appareil de commutation suivant l'une des revendications 1, 2 ou 3,
       caractérisé en ce que
       l'élément (11) de réception est réalisé en coulisse en forme d'arc, qui comporte une ouverture (12) en forme d'arc.
  5. Appareil de commutation suivant la revendication 1,
       caractérisée en ce que
       l'évidement (8) est réalisé ouvert ou fermé.
  6. Appareil de commutation suivant l'une des revendications précédentes,
       caractérisé en ce que
       le boítier (2) est constitué de deux coques de boítier comportant chacune un élément (11) de réception, l'axe (9) étant guidé de part et d'autre.
  7. Appareil de commutation suivant l'une des revendications précédentes,
       caractérisé en ce que
       le boítier (2) est en un matériau isolant.
EP02760086A 2001-07-12 2002-07-05 Appareil de commutation avec mecanisme de verrouillage Expired - Lifetime EP1405325B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10133878 2001-07-12
DE10133878A DE10133878B4 (de) 2001-07-12 2001-07-12 Schaltgerät mit einem Schaltschloss
PCT/DE2002/002476 WO2003007322A1 (fr) 2001-07-12 2002-07-05 Appareil de connexion a verrouillage de connexion

Publications (2)

Publication Number Publication Date
EP1405325A1 EP1405325A1 (fr) 2004-04-07
EP1405325B1 true EP1405325B1 (fr) 2004-10-13

Family

ID=7691520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02760086A Expired - Lifetime EP1405325B1 (fr) 2001-07-12 2002-07-05 Appareil de commutation avec mecanisme de verrouillage

Country Status (6)

Country Link
US (1) US7009129B2 (fr)
EP (1) EP1405325B1 (fr)
CN (1) CN1248276C (fr)
DE (2) DE10133878B4 (fr)
ES (1) ES2229167T3 (fr)
WO (1) WO2003007322A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038112B4 (de) * 2004-08-05 2006-11-16 Siemens Ag Elektrisches Schaltgerät
DE102004055564B4 (de) * 2004-11-18 2022-05-05 Abb Ag Elektrisches Installationsschaltgerät
DE112005003722A5 (de) * 2005-08-10 2008-07-10 Siemens Aktiengesellschaft Leistungsschalter
DE102005038149A1 (de) * 2005-08-12 2007-02-22 Abb Patent Gmbh Leitungsschutzschalter
DE102005041232B4 (de) * 2005-08-31 2009-11-26 Abb Ag Elektrisches Schaltgerät
DE102005041231B4 (de) * 2005-08-31 2009-11-26 Abb Ag Elektrisches Schaltgerät
US7440250B2 (en) * 2005-11-30 2008-10-21 Eaton Corporation Circuit breaker including open neutral interlock
DE102006038005B4 (de) * 2006-05-22 2009-04-23 Dehn + Söhne Gmbh + Co. Kg Anschluss- und Basisteil zur Aufnahme eines steckbaren Überspannungsableiters
DE102006051807B8 (de) * 2006-11-03 2008-06-26 Abb Ag Elektrischer Schalter
DE102007001471A1 (de) * 2007-01-05 2008-07-10 Siemens Ag Elektrische Schalteinrichtung
EP1995754B1 (fr) * 2007-05-23 2013-09-04 Abb Ag Commutateur d'installation électrique
US7911302B2 (en) * 2007-11-15 2011-03-22 General Electric Company Secondary trip system for circuit breaker
CN101527232B (zh) * 2007-12-27 2012-07-18 拿丁有限责任公司 用于开关设备的接触致动装置
DE102010011997B4 (de) * 2010-03-18 2023-02-02 Siemens Aktiengesellschaft Antriebsvorrichtung für eine Spannwelle eines Federkraftantriebes eines elektrischen Schalters sowie elektrischer Schalter mit einer derartigen Antriebsvorrichtung
CN102254755B (zh) * 2011-06-28 2013-10-16 法泰电器（江苏）股份有限公司 断路器操作机构
DE102015116493B4 (de) 2015-09-29 2021-10-07 Eaton Intelligent Power Limited Schutzschaltgerät
DE102016217106A1 (de) * 2016-09-08 2018-03-08 Siemens Aktiengesellschaft Schaltschloss für einen elektrischen Schalter und elektrischer Schalter mit solch einem Schaltschloss
CN106653511B (zh) * 2017-02-24 2019-12-27 德力西电气有限公司 一种用于小型断路器的新型操作控制装置
GB2569669B (en) * 2017-12-22 2022-02-09 Eaton Ind Austria Gmbh Self-compensating mechanism for circuit breaker

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Publication number Priority date Publication date Assignee Title
DE1563781C3 (de) * 1966-12-08 1973-10-31 Siemens Ag, 1000 Berlin U. 8000 Muenchen Leitungsschutzschalter
FR2243517B1 (fr) 1973-09-06 1978-03-31 Bbc Brown Boveri & Cie
DE8024641U1 (de) * 1980-09-15 1980-12-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Leitungsschutzschalter
DE3423541A1 (de) 1984-06-26 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Leitungsschutzschalter, geeignet fuer mehrpoligen zusammenbau
US4968863A (en) * 1989-06-29 1990-11-06 Square D Company Unitary breaker assembly for a circuit breaker
US5053590A (en) * 1990-10-26 1991-10-01 Siemens Energy & Automation, Inc. Mount for attachment of a switch operating mechanism to a switch
DE4116454A1 (de) * 1991-05-18 1992-11-19 Licentia Gmbh Mechanismus fuer einen selbstschalter
US5266760A (en) * 1992-08-06 1993-11-30 Eaton Corporation Molded case circuit breaker
US5478979A (en) * 1994-04-08 1995-12-26 General Electric Company Circuit breaker closing and opening interlock assembly
US5534833A (en) * 1994-10-11 1996-07-09 General Electric Company Circuit breaker remote closing operator
JP3271490B2 (ja) * 1995-10-12 2002-04-02 三菱電機株式会社 遮断器の操作機構
DE19735408B4 (de) 1997-08-14 2008-04-10 Siemens Ag Schaltmechanismus für einen Schutzschalter
US5973280A (en) * 1998-03-23 1999-10-26 Eaton Corporation Circuit breaker with an anti-lift pivot handle
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DE19919420A1 (de) 1999-04-28 2000-11-02 Siemens Ag Schutzschalteinrichtung, beispielsweise Leitungsschutzschalter

Also Published As

Publication number Publication date
DE10133878B4 (de) 2004-07-08
EP1405325A1 (fr) 2004-04-07
US7009129B2 (en) 2006-03-07
DE50201323D1 (de) 2004-11-18
CN1529895A (zh) 2004-09-15
WO2003007322A1 (fr) 2003-01-23
DE10133878A1 (de) 2003-01-30
CN1248276C (zh) 2006-03-29
US20040200711A1 (en) 2004-10-14
ES2229167T3 (es) 2005-04-16

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