EP1245034A1 - Dispositif pour piloter la mise en circuit d'un sectionneur de puissance - Google Patents

Dispositif pour piloter la mise en circuit d'un sectionneur de puissance

Info

Publication number
EP1245034A1
EP1245034A1 EP00990509A EP00990509A EP1245034A1 EP 1245034 A1 EP1245034 A1 EP 1245034A1 EP 00990509 A EP00990509 A EP 00990509A EP 00990509 A EP00990509 A EP 00990509A EP 1245034 A1 EP1245034 A1 EP 1245034A1
Authority
EP
European Patent Office
Prior art keywords
switch
display element
readiness
ready
energy store
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
EP00990509A
Other languages
German (de)
English (en)
Other versions
EP1245034B1 (fr
Inventor
Marc Liebetruth
Ludvik Godesa
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 EP1245034A1 publication Critical patent/EP1245034A1/fr
Application granted granted Critical
Publication of EP1245034B1 publication Critical patent/EP1245034B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H71/04—Means for indicating condition of the switching device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the invention relates to a device for controlling the switching on of a circuit breaker as a function of operational parameters with the following features: the circuit breaker has switch contacts, an energy store for transferring the switch contacts from an open position to an open position, a latching device for maintaining a tensioned state of the energy store and at least one switch-on actuator for releasing the latching device and releasing the energy store, in the course of the power transmission from the switch-on actuator to the latching device, a coupling member is arranged which can be moved into an effective position and an inactive position, each of the parameters being a Transfer of the clutch element into the inactive position, in which the power transmission from the switch-on actuator to the latching device is interrupted, for the visual representation of the states "on ready for switching "and” not ready for switching on "a display element which is dependent on the coupling element and can be moved in two positions corresponding to the states mentioned is provided.
  • a device of the type described above has become known from DE 43 33 828 Cl. It enables a user of the circuit breaker to ensure, by looking at the separate display element mentioned, that the circuit breaker can be switched on. To- the device immediately prevents the release of the energy store despite activation of a switch-on actuator, such as a manually operated pushbutton or electromagnet, if one of the conditions is not met. Since all features or parameters that prevent the circuit breaker from being switched on can be taken into account, the device makes an important contribution to the safety of circuit breaker users and to the protection of electrical switchgear.
  • the invention has for its object to provide a device with the function described, which has a simplified structure and smaller dimensions and thereby enables the advantages of the readiness to switch on to be used in all circuit breakers which have a memory drive.
  • the display element for the readiness for switch-on has working surfaces which can be acted upon by the operational parameters and is counter to the effect of a restoring force from the position "switch-on ready" to the position "not switch-on ready” transferable, the display element and the coupling element have cooperating working surfaces for transferring the coupling element into its inactive position when the display element assumes the position "not ready to be switched on”.
  • the display element for the readiness to switch on therefore additionally has the logical OR function for the operational parameters. ra eter. This has an advantageous effect on the space requirement of the device.
  • the display element for readiness to switch on can be moved about an axis of rotation, the lever-like coupling element, which can be displaced in the longitudinal direction by the switch-on actuator, with a frame-like central part, overlaps a stationary guide surface with play and into the effective one by two drivers of the display element Position or the ineffective position is transferable. This also saves construction volume.
  • the fixed guide surface is formed by an attachment arranged concentrically with the axis of rotation of the display element, against which the one frame leg of the central part of the coupling element rests in its effective position and that the drivers of the display element for the readiness to switch on overlap the other frame leg of the middle part.
  • the coupling element is detected and guided in such a way that it can be shifted in its longitudinal direction on the one hand by a switch-on actuator and on the other hand can be pivoted under the influence of the display element in order to assume the effective or ineffective position.
  • a display element representing the state of the energy store and a further display element representing the position of the switching contacts can also be provided in connection with the invention in addition to the display element for the readiness to switch on.
  • the additional display elements mentioned are also arranged to be movable about the axis of rotation of the display element for readiness for switching on and that the additional display elements each have a driver for taking the display element for readiness for switch-on.
  • this intermediate shaft allows the parameters present in the circuit breaker itself to be separated from those which have their origin outside the circuit breaker, eg. B. "Switchgear cell door open” or "Circuit breaker extended".
  • the intermediate shaft enables a desired mechanical transmission ratio for adapting the stroke and the force of actuating magnets to the device according to the invention and a desired spatial position relative to the display element for readiness for switching on and the coupling element.
  • the intermediate shaft also offers the possibility of assigning a switch-off actuator to the device. This can be done in such a way that the intermediate shaft, as a third lever arm, carries an opening lever arm which can be acted upon by an opening actuator. This can be done directly or with the interposition of an auxiliary lever if the spatial position of the organs to be coupled makes this seem appropriate.
  • FIG. 1 shows a device for controlling the readiness for switch-on of a low-voltage circuit breaker, some components of the circuit breaker being shown schematically in a simplified manner.
  • FIG. 2 shows a modified exemplary embodiment of a device for controlling the readiness to switch on in a representation corresponding to FIG. 1.
  • FIG. 1 there is an energy storage device 1 in the form of a component of a low-voltage circuit breaker
  • Compression spring shown which is to be transferred in a tensioned state in a known manner by means of a latch lever 2 and which is held in the tensioned state by means of a latching device 3.
  • the latching device 3 comprises a rotatably mounted switch-on half-shaft 4, which interacts with a pivoted switch-on ratchet lever 2.
  • the switch-on half-wave 4 of the latching device 3 is prestressed into the position shown by a tension spring 5, as a result of which the energy store 1 is kept in the charged state.
  • Half-wave 4 in a clockwise direction causes the latch surface to slide on the latch lever 2 and thereby releases the energy store 1 to close an indicated switching contact 6.
  • Another latching device 7 is constructed similarly to the latching device 3 and accordingly has a switch-off half-shaft 10 and a switch-off pawl lever 11. If the switch-off half-shaft 10 is rotated from its rest position against the action of a tension spring 12, the switch-off ratchet lever 11 slides off the switch-off half-shaft 10 and causes the switching contact 6 to open in a known manner.
  • the mechanical connections between the Switch-off ratchet lever 11 and the switching contact 6 are omitted to simplify the illustration, since they are not required for understanding the invention and can be of the same or similar nature as is the case with known circuit breakers.
  • the device to be described in more detail in the following according to FIG. 1 serves to enable the release latch lever 2 to switch on the switching contact 6 only when all conditions are met in order to be able to carry out the switch-on and the switch-on under the The safety of the user and the technical safety is permissible.
  • DE 43 33 828 C1 a number of parameters are described which are important in this context. The following are examples of operational parameters:
  • a rotatably mounted display element 13 for readiness for switch-on which has a display area 14 for the visual display of the switch-on readiness in a window 15 of an operating front 16 of the circuit breaker.
  • a tension spring 17 tensions the display organ 13 in the position shown, which corresponds to the position when ready to switch on.
  • a bracket 20 opposite the display surface 14 serves to initiate mechanical movements which correspond to the operational parameters of the circuit breaker mentioned.
  • the supply of the parameters A to E is shown in FIG. 1 by an arrow 21 directed at the arm 20.
  • each of these parameters causes the display element 13 to pivot counter to the action of the return spring 17 and thus counterclockwise into the position indicated by the dash-dotted line, by means of which the readiness to switch on is indicated in the viewing window 15.
  • a coupling element 27 interacts with the display element 13 for readiness to switch on, and is designed as a lever-like device and is arranged at its lower end to be movable around a pivot bearing 30.
  • the pivot bearing 30 is not stationary, but is movable on a rocker arm 31 with a stationary one
  • Swivel bearing 32 At its end opposite the swivel bearing 30, the coupling member 27 engages with a hook-like working surface 33 on the Half shaft 4 seated lever arm 34. If the coupling member 27 is pivoted clockwise around the pivot bearing 30 in the direction of an arrow 35, the working surface 33 disengages from the lever arm 34. In this case, all movements acting on the coupling member 27 in its longitudinal direction remain , which are exerted by switch-on actuators, have no effect on the switch-on half-wave 4.
  • switch-on actuators 36 and S are shown.
  • the switch-on actuator 36 is formed by a switch-on pushbutton located on the control panel 16 of the circuit breaker and operated by hand, which acts on the rocker arm 31 mentioned.
  • the switch-on actuators 36 and S remain ineffective when the coupling member 27 is pivoted clockwise and the working surface 33 is thereby moved away from the lever arm 34.
  • the coupling member 27 has a frame-like central part 40 which has two approximately parallel frame legs 41 and 42 which extend in the longitudinal direction of the coupling member 27.
  • the frame leg 41 is overlapped approximately fork-like by two drivers 43 and 44 located on the arm 20 of the display element 13, while the other Frame leg 42 abuts a concentric extension 45 of the display member 13 when the coupling member 27 is at rest.
  • the circuit breaker considered in connection with the invention has, in addition to the display element 13 for readiness to switch on, two further display elements 46 and 47, which visually illustrate the switching state of the switching contact 6 or the state of the energy store 1 to a user.
  • the three display elements 13, 46 and 47 mentioned are arranged next to one another, the additional display elements 46 and 47 being pivotable about the said axis of rotation in the same way as the display element 13.
  • the additional display elements 46 and 47 arranged on both sides of the display element 13 for readiness to switch on each have a driver 50 or 51, which extends axially in the direction of the central display element 13. With these drivers 50 and 51, the display element 13 also acts axially on both sides
  • FIG. 3 which signals the ready-to-switch-on state.
  • the symbol '0' for the state "switch contacts open” appear next to each other in windows on the control panel 16 (FIG. 1), in the middle the display "OK" for existing readiness for switching on and on the right the known symbol of a spring for the state " Energy storage - rather excited ".
  • the display element 13 shows "Not ready to be switched on” due to the interaction of the drivers 51 and 53.
  • a switch-off actuator 54 which acts in a suitable manner on a pivotably mounted deflection lever 55 which is biased into a rest position by a return spring 56.
  • An elongated hole slider 57 connected in an articulated manner to the deflection lever engages over a driving pin 58 seated on the lever arm in such a way that the half-shaft 10 can be turned counterclockwise by means of the lever arm 26 and the latch lever 11 can thereby be released.
  • FIG. 2 shows a modified exemplary embodiment in which direct actuation of the display elements 13 and 47 by the switch-on pawl lever 2 is provided.
  • the switch-on pawl lever 2 is provided with a nose 60 which interacts with the driver 43.
  • this only occurs in the direction of movement that represents the ON state in which the energy store 1 is discharged and consequently there is no longer any readiness to switch on.
  • the display element 13 for the readiness to switch on is thereby inevitably brought into the position “not ready to switch on”. This is represented in FIG. 3 by a coupling rod 61 and an arrow 62.
  • the display element 47 (FIGS. 3-6) is inevitably for the state of the 3 is shown schematically in FIG. 3 by a double arrow 63, which illustrates the actuation of the display element 47 by the switch-on pawl lever 2 in both directions of movement.
  • FIG. 3 A further modification compared to the exemplary embodiment according to FIG. 2 exists in FIG. 3 with regard to the switch-off actuator 54.
  • This acts on the one lever arm of one two-armed auxiliary lever 64, which is biased by a compression spring 65 into a rest position which engages the further lever arm of the auxiliary lever 64.
  • the intermediate shaft 22 carries a switch-off lever arm 66, on which the auxiliary lever 64 acts when the switch-off operator 54 is actuated.
  • the auxiliary lever 64 and the switch-off lever arm 66 make it possible to actuate the intermediate shaft 22 by means of the switch-off actuator 54 despite a certain distance and different directions of action of the two organs.
  • the auxiliary lever 64 including its mounting and its return spring 65, can be dispensed with if the switch-off actuator 54 can be brought into direct contact with the switch-off lever arm 66 of the auxiliary shaft 22.
  • FIGS. 1 and 2 show, as a further detail, an auxiliary switch 67 which can be actuated by the display element 13 for readiness to switch on.
  • the auxiliary switch 67 can be used to electrically process or report the readiness for switching on of a circuit breaker equipped with the device described.
  • the entire device described, including the switch-on and switch-off actuators 36 and 54 and the display elements 13, 46 and 47, can be produced as an extremely space-saving and mechanically reliable assembly. This makes it easier to equip all the circuit breakers provided with an energy store with a device according to the invention. LIST OF REFERENCE NUMBERS
  • switch contacts 7 latching device 0 switch-off half-shaft 1 switch-off latch lever 3 indicator for readiness to switch on 2 tension spring 4 display area 5 window 6 control panel 7 tension spring 0 extension arm 1 arrow 2 intermediate shaft 3, 25 lever arm 4 arrow 6 lever arm 7 coupling element 0 swivel bearing 1 rocker arm 2 swivel bearing of the rocker arm 31 3 Work surface 4 Lever arm 5 Arrow for swiveling 6, S switch-on actuator 7 return spring 38 return spring

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)

Abstract

L'invention concerne un dispositif permettant de piloter la mise en service d'un sectionneur de puissance en fonction de paramètres d'exploitation, qui présente un élément indicateur (13) pour indiquer l'aptitude à la mise en service et un élément de couplage (27) coopérant avec l'élément indicateur (13). Les paramètres d'exploitation, par exemple </= réservoir d'énergie vide >/= ou </= porte de cellule de coupure ouverte >/= induisent un pivotement de l'élément indicateur (13) en position </= non disponible à la mise en service >/= et un passage de l'élément de couplage (27) en position bloquée. L'élément indicateur (13) qui indique l'aptitude à la mise en service, ainsi que d'autres éléments indicateurs (46,47) indiquant la position des contacts de commutation et l'état du réservoir d'énergie sont disposés de manière à pivoter les uns à côté des autres dans le sens axial et sont munis d'éléments d'entraînement en interaction, afin de produire un entraînement forcé de l'élément indicateur (13) pour l'aptitude à la mise en service, lorsque la position des contacts de commutation (6) ou l'état du réservoir d'énergie (1) ne permettent pas ou excluent la mise en service du sectionneur de puissance.
EP00990509A 1999-11-24 2000-11-22 Dispositif pour piloter la mise en circuit d'un sectionneur de puissance Expired - Lifetime EP1245034B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19957391A DE19957391C1 (de) 1999-11-24 1999-11-24 Einrichtung zur Steuerung der Einschaltung eines Leistungsschalters
DE19957391 1999-11-24
PCT/DE2000/004203 WO2001039223A1 (fr) 1999-11-24 2000-11-22 Dispositif pour piloter la mise en circuit d'un sectionneur de puissance

Publications (2)

Publication Number Publication Date
EP1245034A1 true EP1245034A1 (fr) 2002-10-02
EP1245034B1 EP1245034B1 (fr) 2003-05-28

Family

ID=7930717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00990509A Expired - Lifetime EP1245034B1 (fr) 1999-11-24 2000-11-22 Dispositif pour piloter la mise en circuit d'un sectionneur de puissance

Country Status (7)

Country Link
US (1) US6788172B1 (fr)
EP (1) EP1245034B1 (fr)
JP (1) JP4618961B2 (fr)
CN (1) CN1270334C (fr)
DE (2) DE19957391C1 (fr)
HK (1) HK1050424A1 (fr)
WO (1) WO2001039223A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102005038629B3 (de) * 2005-08-10 2006-12-21 Siemens Ag Formschlüssige Verriegelung zur Verhinderung des Einschaltens eines Schalters
US7368677B2 (en) * 2005-12-14 2008-05-06 Eaton Corporation Reverse bias hatchet reset spring
DE102006015303A1 (de) * 2006-03-28 2007-10-11 Siemens Ag Deckel für einen Sicherungslasttrennschalter und Sicherungslasttrennschalter
US7633031B2 (en) * 2007-03-29 2009-12-15 Eaton Corporation Spring driven ram for closing a electrical switching apparatus
US7294804B1 (en) * 2007-03-29 2007-11-13 Eaton Corporation Energy dissipating spring seat
KR100890754B1 (ko) * 2007-07-12 2009-03-26 엘에스산전 주식회사 기중 차단기용 투입작동 가능 표시장치 및 이를 갖는 기중차단기
DE102008008032A1 (de) 2008-02-06 2009-08-13 Siemens Aktiengesellschaft Auslöseeinheit für einen elektrischen Schalter
US7906740B2 (en) * 2008-04-15 2011-03-15 General Electric Company Readiness for closing indicator for circuit breakers
DE102009007584A1 (de) * 2009-02-02 2010-08-05 Siemens Aktiengesellschaft Verriegelung zweier Schalter
KR200458099Y1 (ko) * 2009-03-11 2012-01-18 엘에스산전 주식회사 진공 차단기의 인/입출 위치표시장치
US8217291B2 (en) * 2010-03-04 2012-07-10 Eaton Corporation Electrical switching apparatus and status indicating assembly therefor
DE102010036222B4 (de) * 2010-08-30 2023-08-17 Siemens Aktiengesellschaft Anordnung mit einem elektrischen Schalter
DE102012200922A1 (de) * 2012-01-23 2013-07-25 Siemens Aktiengesellschaft Elektrischer Schalter
US8642907B2 (en) * 2012-02-06 2014-02-04 Eaton Corporation Electrical switching apparatus and opening assembly therefor
KR102417945B1 (ko) 2012-03-14 2022-07-06 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 소자
CN105356423B (zh) * 2015-11-02 2019-02-01 珠海市可利电气有限公司 一种c-gis低气压报警闭锁装置
EP3561849B1 (fr) * 2018-04-23 2023-03-08 ABB S.p.A. Disjoncteur

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GB228085A (en) * 1924-10-07 1925-01-29 Singer Mfg Co Needle-bar controlling device for sewing machines
JPH0631629Y2 (ja) * 1987-06-20 1994-08-22 日新電機株式会社 高圧開閉器の投入ロツク装置
JPH0614373Y2 (ja) * 1988-11-24 1994-04-13 日新電機株式会社 開閉器用３ポジション操作器
JPH0528882A (ja) * 1991-07-18 1993-02-05 Mitsubishi Electric Corp 開閉機器用操作装置
JPH0536732U (ja) * 1991-10-18 1993-05-18 エナジーサポート株式会社 ガス開閉器の開閉動作回数表示構造
DE4333828C1 (de) * 1993-09-30 1995-03-09 Siemens Ag Einrichtung zur Steuerung der Einschaltung eines Leistungsschalters
JP3645062B2 (ja) * 1997-03-28 2005-05-11 株式会社東芝 遮断器の操作機構
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Also Published As

Publication number Publication date
EP1245034B1 (fr) 2003-05-28
DE50002406D1 (de) 2003-07-03
CN1399785A (zh) 2003-02-26
WO2001039223A1 (fr) 2001-05-31
JP4618961B2 (ja) 2011-01-26
HK1050424A1 (en) 2003-06-20
CN1270334C (zh) 2006-08-16
US6788172B1 (en) 2004-09-07
DE19957391C1 (de) 2001-03-29
JP2003515879A (ja) 2003-05-07

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