EP1261981B1 - Pole de commutation pour appareils de commutation basse tension comportant un support de contacts a mouvement lineaire - Google Patents

Pole de commutation pour appareils de commutation basse tension comportant un support de contacts a mouvement lineaire Download PDF

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Publication number
EP1261981B1
EP1261981B1 EP01915017A EP01915017A EP1261981B1 EP 1261981 B1 EP1261981 B1 EP 1261981B1 EP 01915017 A EP01915017 A EP 01915017A EP 01915017 A EP01915017 A EP 01915017A EP 1261981 B1 EP1261981 B1 EP 1261981B1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
contact support
contacts
movable
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
EP01915017A
Other languages
German (de)
English (en)
Other versions
EP1261981A1 (fr
Inventor
Michael Bach
Michael Sebekow
Guenter Seidler-Stahl
Detlev Schmidt
Ingo Thiede
Sezai Tuerkmen
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 EP1261981A1 publication Critical patent/EP1261981A1/fr
Application granted granted Critical
Publication of EP1261981B1 publication Critical patent/EP1261981B1/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
    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
    • H01H1/226—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member having a plurality of parallel contact bars
    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member

Definitions

  • the invention relates to a switching pole for low-voltage switchgear with a linearly movable contact carrier for a movable switching contact, which cooperates with a fixed to a terminal rail stationary switching contact, and with a drive device for the movable contact carrier.
  • Switchgear with a switching pole of this kind are z. B. in DE 12 50 532 B or DE 18 14 550 C1 described. These are Sagittarius.
  • Low-voltage circuit-breakers consist of several assemblies adapted to the different subtasks, which are interconnected during the manufacture of the circuit-breakers.
  • the largest assemblies, or units, thereby forming the switching poles that is, consisting of fixed and movable switch contacts contact systems with their support insulation and common for several such contact systems drive device.
  • the movement processes provided by the drive device are transmitted to the contact systems via a locally mounted control shaft.
  • this rotatably mounted switching shaft which is pivotable by means of a spring-loaded or other switch drive by a certain angle, with this Provided shift shaft outgoing secondary levers over which the individual switching poles or arranged on contact carriers movable contacts are operated.
  • Such contact carriers have been stored in low-voltage circuit breakers usually pivotally. This results in a relatively high design, with an impact on the height of the switch housing and a relatively complicated structure.
  • a movable contact carrier of this type has become known from DE 35 39 786 A1.
  • the bearing arms are part of a bearing bracket, which is adapted to a holding body for the contact lever tailored. It is a construction consisting of several metal parts.
  • movable contact carrier which are composed of a combination of plastic moldings and metal parts.
  • DE-296 15 566 U describes a movable switch contact arrangement for a low-voltage circuit breaker with contact levers and a contact lever receiving the contact lever carrier, which is pivotally mounted by means of lateral bearing arms for switching on and off.
  • This contact lever carrier has a central part, the off a base body and at least one attachable to this additional body, on both sides of the central part, the bearing arms are attached.
  • Both said movable contact carrier are assembled in conventional construction of several individual components. In addition, with metal support arms, voltage carryover can occur.
  • the contactors mentioned above have rectilinear moving contact carrier. These are connected to an armature of a drive magnet and contain bridge contacts with associated contact force springs. But this is completely unusual for circuit breakers.
  • Known contact bridges in circuit breakers have, in addition to other difficulties to be mentioned, considerable problems in the discharge of the switching gases. Although two separation points can allow a higher switching capacity, for example, two switching chambers are needed for the discharge of the switching gases must be provided. The problem exists, especially at high switching capacities, especially in the derivation of the switching gases for the second separation point. In the vertical arrangement of the contact bridge, there are difficulties with the arc, because of the above the separation point lying switch components. So the lower quenching chamber can not be exploited.
  • a further problem is that the arrangement with a contact bridge is mechanically unstable. It is not certain which contact of the bridge opens first, ie where the stronger burnup will occur. To form such contact bridges with respect to the contact forces or the simultaneous opening of both contacts safely, a considerable technical effort is required. The arrangement of two extinguishing chambers represents a not inconsiderable additional effort.
  • the object of the invention is therefore to design a switching pole of the type mentioned in such a way that it is particularly suitable for low-voltage switchgear and this gives superior properties over the usual design.
  • the switching pole consists of a box-shaped housing, through the rear wall of the housing provided with the stationary switch contacts connecting rail is inserted and through the housing rear wall further a connecting rail is passed, arranged with a flexible conductor via a contact carrier, mounted on a shaft pivot contact is connected as a movable switching contact, and that on opposite walls of the switching pole and the movable contact carrier cooperating guide means are arranged for linearly movable guidance of the contact carrier in the switching pole.
  • the invention surprisingly combines the advantages of linearly movable contact carriers and pivotally arranged contact levers.
  • the switching pole is suitable for any type of actuation, in particular also linear-acting drives.
  • the extensions on the sides of the contact carrier can also be formed as a continuous, extending in the direction of movement of the contact carrier ribs.
  • movable switch contacts are supported by means of contact force springs on the contact carrier and have conventional Voressore on, which cooperate with corresponding mating contacts on the fixed switch contacts to reduce the burnup of the main contacts.
  • the movement of the contact carrier is effected by a conventional switch drive via an actuating element in a known manner, so that this no new technologies and an associated effort are required.
  • the contact carrier is linearly displaceable, which is relatively easy to implement by means of a structurally simple technical design, and is of course particularly well suited for a linear-acting drive, such as a magnetic drive.
  • Fig. 1 shows a switching pole for a low-voltage circuit breaker with linearly movable contact carrier in the off state.
  • FIG. 2 shows a switching pole for a low-voltage circuit breaker with linearly movable contact carrier in the on state.
  • Fig. 3 shows a switching pole for a low-voltage circuit breaker with linearly movable contact carrier in a perspective view with removed rear wall.
  • Figs. 1 and 2 show a switching pole 1 for a low-voltage circuit breaker with linearly movable contact carrier 2 in the off and in the on state.
  • the switching pole 1 consists of a box-shaped housing through the housing rear wall 3, the upper connecting rails 4 are introduced, where the fixed switching contacts 5 are arranged.
  • flexible conductor cables 7 are electrically conductively attached as a connection to the arranged on the movable contact carrier 2 movable switch contacts 8.
  • the movement of the contact carrier 2 is via an actuating element 21 of a switch drive 22 shown schematically effected in a conventional manner.
  • the contact carrier 2 is moved in the direction of the arrow in FIG. 1 linearly to the fixed switching contact 5 until the movable switching contacts 8 come into contact with the stationary switching contacts 5 and the switch-on state according to FIG. 2 is reached.
  • the actuating element 21 in the direction of the arrow in Fig. 2
  • the contact carrier is brought back into the open position shown in FIG.
  • FIG. 3 shows a switching pole 2 for a low-voltage circuit breaker with a linearly movable contact carrier 2 in a perspective view with the rear wall removed.
  • guide grooves 11, 12 and 13, 14 are provided, in which the contact carrier 2 is guided by means of the extensions 15, 16 for realizing a linear movement, as has been described with reference to FIGS. 1 and 2.
  • movable switch contacts 8 Arranged on the contact carrier 2 are movable switch contacts 8 designed as swiveling switch contacts, which are connected by means of flexible conductor cables 7 to the lower connecting rail 6 (FIGS. 1 and 2), not shown.
  • the advantage of the solution according to the invention is that the advantages of a linear movement of the contact carrier with the advantages of applicability of the proven in practice trained with main and pre-contact pivot contacts can be connected.
  • the space requirement of a linearly movable contact carrier is lower and its structural design is much easier.
  • the baffles of the arc extinguishing chamber need not be adapted to the path of the contact carrier and act more effectively, because the distance between the contact carrier and the arc extinguishing chamber is constant throughout the movement. By the same baffles, the variety of parts is additionally reduced.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Claims (6)

  1. Pôle (1) de commutation pour appareils de commutation en basse tension, comprenant un porte-contact (2) mobile linéairement pour un contact (8) de commutation mobile, qui coopère avec un contact (5) de commutation fixe fixé à une barre (4) de connexion, ainsi qu'un dispositif (22) d'entraînement du porte-contact (2) mobile,
    caractérisé
    en ce que le pôle (1) de commutation est constitué d'un boîtier en forme de caisson à travers la paroi (3) arrière duquel passe la barre (4) de connexion munie du contact (5) de commutation fixe et à travers la paroi (3) arrière duquel passe, en outre, une autre barre (6) de connexion à laquelle est relié par un conducteur (7) souple, en tant que contact (8) mobile de commutation, un contact basculant disposé sur le porte-contact (2) et monté sur un arbre (17) et en ce qu'il est disposé sur des parois opposées du pôle (1) de commutation et sur le porte-contact (2) mobile des moyens de guidage, qui coopèrent pour le guidage mobile linéaire du porte-contact (2) dans le pôle (1) de commutation.
  2. Pôle de commutation suivant la revendication 1,
    caractérisé
    en ce que les parois (9, 10) latérales du boîtier du pôle (1) de commutation ont, dans la direction de déplacement du porte-contact (2), des rainures (11, 12, 13, 14) de guidage et sont prévues pour le glissement de prolongements (15, 16) sur les côtés du porte-contact (2).
  3. Pôle de commutation suivant la revendication 1 ou 2,
    caractérisé
    en ce que le porte-contact (2) est constitué sous la forme d'une pièce moulée en matière plastique.
  4. Pôle de commutation suivant l'une des revendications précédentes,
    caractérisé
    en ce que les prolongements (15, 16) sur les côtés du porte-contact (2) propres à glisser dans les rainures (11, 12, 13, 14) de guidage des parois (9,10) latérales du boîtier du pôle (1) de commutation sont constitués sous la forme de nervures continues s'étendant dans la direction de déplacement du porte-contact.
  5. Pôle de commutation suivant l'une des revendications précédentes,
    caractérisé
    en ce que les contacts (8) de commutation mobiles montés sur le porte-contact (2) montés sur un arbre (17) et réalisés d'une manière en soi connue en contacts basculants sont appuyés sur le porte-contact (2) au moyen de ressorts (18) appliquant une force de contact.
  6. Pôle de commutation suivant l'une des revendications précédentes,
    caractérisé
    en ce que les contacts (8) mobiles de commutation disposés sur le porte-contact (2) montés sur l'arbre (17) et réalisés d'une manière en soi connue en contacts basculants ont à la manière habituelle des précontacts (19) et les contacts (5) de commutation fixes ont des contrecontacts (20) correspondants pour diminuer l'usure.
EP01915017A 2000-03-09 2001-02-13 Pole de commutation pour appareils de commutation basse tension comportant un support de contacts a mouvement lineaire Expired - Lifetime EP1261981B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10012605 2000-03-09
DE10012605A DE10012605A1 (de) 2000-03-09 2000-03-09 Schaltpol für Niederspannungs-Schaltgeräte mit linear bewegbarem Kontaktträger
PCT/DE2001/000609 WO2001067477A1 (fr) 2000-03-09 2001-02-13 Pole de commutation pour appareils de commutation basse tension comportant un support de contacts a mouvement lineaire

Publications (2)

Publication Number Publication Date
EP1261981A1 EP1261981A1 (fr) 2002-12-04
EP1261981B1 true EP1261981B1 (fr) 2006-11-29

Family

ID=7634808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01915017A Expired - Lifetime EP1261981B1 (fr) 2000-03-09 2001-02-13 Pole de commutation pour appareils de commutation basse tension comportant un support de contacts a mouvement lineaire

Country Status (4)

Country Link
US (1) US6803844B2 (fr)
EP (1) EP1261981B1 (fr)
DE (2) DE10012605A1 (fr)
WO (1) WO2001067477A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009873A1 (de) * 2004-02-26 2005-09-15 Siemens Ag Schaltkontaktanordnung
US7962827B2 (en) 2006-03-08 2011-06-14 Marvell World Trade Ltd. Systems and methods for achieving higher coding rate using parity interleaving
ITBG20060050A1 (it) * 2006-10-06 2008-04-07 Abb Service S Rl Interruttore di bassa tensione con poli intercambiabili
US9070517B2 (en) * 2012-08-13 2015-06-30 Electro-Mechanical Corporation Vacuum interrupter and linear disconnect switch
JP2014191945A (ja) * 2013-03-27 2014-10-06 Panasonic Corp 接点装置
US10141125B2 (en) * 2015-04-13 2018-11-27 Garrett Garcia Contact for bus plug switches
JP2017056156A (ja) * 2015-09-18 2017-03-23 テルモ株式会社 画像診断用カテーテル

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250532B (fr) 1967-09-21
DE514024C (de) 1930-12-05 Aeg Abreisskontakt fuer UEberstromausschalter
US3585329A (en) 1968-01-24 1971-06-15 Westinghouse Electric Corp Circuit interrupter with improved contact structure and arc-runner
DE1814550C3 (de) 1968-12-10 1974-04-11 Siemens Ag, 1000 Berlin U. 8000 Muenchen Elektromagnetisch betätigtes Schaltgerät, insbesondere Schütz
US3551867A (en) * 1969-03-12 1970-12-29 Allied Control Co Circuit breaker
US3614680A (en) 1970-02-11 1971-10-19 Rowan Controller Multipole switching mechanism
DE2247478A1 (de) 1972-09-28 1974-04-04 Ivan Bystrican Kontaktvorrichtung
EP0225207B1 (fr) 1985-10-31 1991-05-15 Merlin Gerin Chaîne cinématique de transmission entre le mécanisme de commande et les pôles d'un disjoncteur électrique à boîtier isolant moulé
DE3539786A1 (de) 1985-11-07 1987-05-14 Siemens Ag Kontaktanordnung mit in einem halter relativ zueinander schwenkbar gelagerten kontakthebeln
DE3802183A1 (de) 1988-01-26 1989-08-03 Licentia Gmbh Niederspannungs-leistungsschalter mit auswechselbaren kontakten
DE4416088C1 (de) 1994-04-20 1995-06-14 Siemens Ag Hebelanordnung zur Übertragung einer Antriebskraft
DE29615566U1 (de) * 1996-08-28 1998-01-02 Siemens AG, 80333 München Bewegbare Schaltkontaktanordnung mit einem Kontakthebel aufnehmenden Kontakthebelträger
IT1289484B1 (it) * 1996-12-20 1998-10-15 Sace Spa Interruttore di bassa tensione
US5899323A (en) * 1998-05-07 1999-05-04 Eaton Corporation Electrical switching apparatus with contact finger guide

Also Published As

Publication number Publication date
US20030001701A1 (en) 2003-01-02
US6803844B2 (en) 2004-10-12
DE10012605A1 (de) 2001-09-13
EP1261981A1 (fr) 2002-12-04
WO2001067477A1 (fr) 2001-09-13
DE50111549D1 (de) 2007-01-11

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