EP0973183A2 - Sectionneur - Google Patents

Sectionneur Download PDF

Info

Publication number
EP0973183A2
EP0973183A2 EP99113484A EP99113484A EP0973183A2 EP 0973183 A2 EP0973183 A2 EP 0973183A2 EP 99113484 A EP99113484 A EP 99113484A EP 99113484 A EP99113484 A EP 99113484A EP 0973183 A2 EP0973183 A2 EP 0973183A2
Authority
EP
European Patent Office
Prior art keywords
disconnector according
disconnector
hydraulic
housing
actuator
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.)
Granted
Application number
EP99113484A
Other languages
German (de)
English (en)
Other versions
EP0973183A3 (fr
EP0973183B1 (fr
Inventor
Siegfried Pütz
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.)
Voestalpine Signaling Sainerholz GmbH
Original Assignee
Voestalpine Signaling Sainerholz 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 Voestalpine Signaling Sainerholz GmbH filed Critical Voestalpine Signaling Sainerholz GmbH
Publication of EP0973183A2 publication Critical patent/EP0973183A2/fr
Publication of EP0973183A3 publication Critical patent/EP0973183A3/fr
Application granted granted Critical
Publication of EP0973183B1 publication Critical patent/EP0973183B1/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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/056—Tools for actuating a switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means

Definitions

  • the invention relates to a disconnector with a housing in which at least one actuator, a power generation and transmission unit for Movement of the actuator and a control unit are arranged.
  • Disconnectors of the generic type are used in particular in Catenary area of track-guided means of transport used and serve there all the actuation of voltage cut-offs. Such shutdowns are first Line safety switches and the switching is signal-controlled via larger ones Distances. The disconnectors must therefore be very reliable, fast and also after a long standstill and after a long standstill work to Actuator voltage switch to be able to operate.
  • Disconnectors of the generic type are exposed to the weather and show at least splash-proof housing, which from the actuator, usually a shift rod with fork head is protruded.
  • a shift rod with fork head is protruded.
  • an electric motor and a gear transmission arranged, which is engaged with the shift rod.
  • the conventional disconnectors have a number of disadvantages. Through the use of gear drives, the manufacture, but above all the assembly and adjustment of the parts relative to one another is complex. In the event of malfunctions, the entire disconnector must therefore be replaced. Switching positions and switching travel cannot be set very precisely. The transmission becomes extremely stiff, especially when it is cold, but also with increasing service life. It comes to the so-called jump "of the transmission. Since the voltage switches are also exposed to the weather, very large switching forces are required. This requires strong electric motors that have a high current consumption. This means that the distance between the positions is greatly limited and is usually a maximum of two kilometers, since the required electrical energy can no longer be supplied with conventional cables, but otherwise the installation would become more expensive.
  • the drive arrangement causes a large amount of noise, which is often undesirable, for example when used in urban trams.
  • Conventional disconnectors have crank mechanisms in the event of a malfunction for example 200 mm, however, 60 to 80 revolutions are required, so that the shutdown is time-consuming.
  • the present invention Task based on a disconnector of the generic type improve that this is economically producible, easy to assemble and to wait and avoid the disadvantages mentioned above even after a long time Downtime is extremely reliable.
  • the Power generation and transmission unit is designed electrohydraulically.
  • the transmission remains even when it is cold but also after a long standstill smooth.
  • the arrangement causes very little noise.
  • exact positioning positions are also possible achieved.
  • the disconnector according to the invention comprises an electric drive motor, a hydraulic unit with a hydraulic pump and a hydraulic cylinder which can be connected to the actuator. It is therefore modular, so that both assembly and maintenance are very simplified.
  • the electric motor can be designed much weaker than is required in the prior art, although the disconnector according to the invention generates higher switching forces. Last but not least, this considerably increases the distance to the site, up to eight kilometers when using power lines with 2.5 mm 2 .
  • the invention also makes it possible for the electric drive to make do with solar power. This enables a completely new positioning technology to be introduced in the relevant area of application by making the isolating switches more flexible in terms of location.
  • the control signals can also be supplied in alternative ways, for example via optical fibers, radio, digital networks and the like.
  • the hydraulic pump is preferably a reversing control and Hydraulic cylinder a differential actuator. The accuracy is improved and the generated forces increased.
  • the disconnector according to the invention advantageously has one hydraulic hand pump on. With just three to four strokes, the entire Travel. It is also provided that the disconnector hydraulic locking device includes to exclude an adjustment. Also it is proposed that the disconnector according to the invention be adjustable includes electrical limit switches. These are based on the respective switching situation adjustable and the disconnector can be used flexibly.
  • the isolating switch has a control unit which, depending on incoming control signals controls the electric motor for the hydraulic pump.
  • the control unit is preferably designed for wireless signal reception.
  • the inventive is in a watertight lockable housing arranged.
  • a safety switch is preferably on a housing cover arranged. When the housing cover or the housing door is opened thus an activation of the control unit for safety reasons.
  • a disconnector with a housing 2, preferably a plastic housing. This is not with one closable door shown, namely waterproof via the lid seal 10.
  • a differential actuating cylinder 3 is actuated, which is mechanically coupled via a driver 12 to the actuating rod 1, the the actuating force directly via the fork head 9 on a switch element, not shown transmits.
  • the actuating rod 1 is guided by means of rod guides 11 and 15, wherein the top also includes a waterproof seal.
  • the actuating movement is carried out in the same direction in both directions of movement.
  • the positioning force is also identical, but variably adjustable. Indeed Different force profiles can also be realized with simple means.
  • the exemplary embodiment serves for explanation and is not restrictive.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Glass Compositions (AREA)
EP99113484A 1998-07-15 1999-07-13 Dispositif d'entraînement pour un sectionneur Expired - Lifetime EP0973183B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29812474U DE29812474U1 (de) 1998-07-15 1998-07-15 Trennschalter
DE29812474U 1998-07-15

Publications (3)

Publication Number Publication Date
EP0973183A2 true EP0973183A2 (fr) 2000-01-19
EP0973183A3 EP0973183A3 (fr) 2000-11-08
EP0973183B1 EP0973183B1 (fr) 2006-12-13

Family

ID=8059809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99113484A Expired - Lifetime EP0973183B1 (fr) 1998-07-15 1999-07-13 Dispositif d'entraînement pour un sectionneur

Country Status (3)

Country Link
EP (1) EP0973183B1 (fr)
AT (1) ATE348398T1 (fr)
DE (2) DE29812474U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124428A1 (fr) 2010-04-09 2011-10-13 Siemens Aktiengesellschaft Dispositif d'entraînement pour l'actionnement à distance d'un commutateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032125B4 (de) * 2010-07-24 2017-05-04 Hilde Schlögl Steuerungskasten sowie Steuervorrichtung für Nutzfahrzeuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118613A (en) 1977-06-27 1978-10-03 General Electric Company Hydraulically-actuated operating system for an electric circuit breaker
DE3710376A1 (de) * 1987-03-28 1988-10-13 Asea Brown Boveri Antriebseinrichtung fuer einen beweglichen kontaktarm eines elektrischen schaltgeraetes
DE3833484A1 (de) 1988-10-01 1990-04-05 Asea Brown Boveri Antriebsvorrichtung fuer ein elektrisches schaltgeraet
US5534858A (en) * 1994-01-14 1996-07-09 System Analysis & Integration, Inc. Poletop switch automation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124428A1 (fr) 2010-04-09 2011-10-13 Siemens Aktiengesellschaft Dispositif d'entraînement pour l'actionnement à distance d'un commutateur
DE102010003787A1 (de) 2010-04-09 2011-10-13 Siemens Aktiengesellschaft Antriebseinrichtung zur Fernbetätigung eines Schalters

Also Published As

Publication number Publication date
DE59914049D1 (de) 2007-01-25
ATE348398T1 (de) 2007-01-15
DE29812474U1 (de) 1998-11-12
EP0973183A3 (fr) 2000-11-08
EP0973183B1 (fr) 2006-12-13

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