EP0782756B1 - Power switch actuating arrangement - Google Patents

Power switch actuating arrangement Download PDF

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Publication number
EP0782756B1
EP0782756B1 EP95931906A EP95931906A EP0782756B1 EP 0782756 B1 EP0782756 B1 EP 0782756B1 EP 95931906 A EP95931906 A EP 95931906A EP 95931906 A EP95931906 A EP 95931906A EP 0782756 B1 EP0782756 B1 EP 0782756B1
Authority
EP
European Patent Office
Prior art keywords
switch position
switch
release
push
operating rod
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
EP95931906A
Other languages
German (de)
French (fr)
Other versions
EP0782756A1 (en
Inventor
Norbert Steinemer
Ralf Seebold
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 EP0782756A1 publication Critical patent/EP0782756A1/en
Application granted granted Critical
Publication of EP0782756B1 publication Critical patent/EP0782756B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/227Interlocked hand- and power-operating mechanisms

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Agricultural Machines (AREA)
  • Breakers (AREA)
  • Lock And Its Accessories (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

Die Erfindung betrifft eine Betätigungseinrichtung für einen Leistungsschalter mit einer Verklinkeinrichtung zur Freigabe einer ersten Schaltstellung des Leistungsschalters und deren Überführung in eine zweite Schaltstellung, wobei die Freigabe wahlweise mechanisch oder elektrisch steuerbar ist. Dokument US-A-3 236 967 bildet die Gattung ab.The invention relates to an actuating device for a Circuit breaker with a latching device for release a first switch position of the circuit breaker and their Transfer to a second switching position, the release is either mechanically or electrically controllable. Document US-A-3 236 967 represents the genus.

Bei derartigen Leistungsschaltern sind also zwei voneinander verschiedene Freigaben der Verklinkung vorgesehen, wobei die mechanische Freigabe der Verklinkung mit dem Einwirken eines Drucktasters direkt auf die Verklinkeinrichtung einwirkt, während bei der elektrischen Freigabe der Verklinkung mit einem Tastschalter ein Befehlsstromkreis für einen Betätigungsmagneten geschlossen wird, der seinerseits die Verklinkeinrichtung im Sinne der Freigabe steuert.
Beide Möglichkeiten der Freigabe der Verklinkung sind für diese Leistungsschalter generell vorgesehen und werden entsprechend den Vorstellungen des Kunden im Bedarfsfall vor Ort wirksam geschaltet.
In such circuit breakers, two different releases of the latch are provided, the mechanical release of the latch acting directly on the latching device with the action of a pushbutton, while when the latch is electrically released, a command circuit for an actuating magnet is closed, which in turn controls the latching device in terms of the release.
Both options for releasing the latch are generally provided for these circuit breakers and are activated on site according to the customer's requirements if necessary.

Im einfachsten Fall werden für die jeweiligen Freigaben verschiedene mechanische Betätigungsstangen mit den jeweils notwendigen Führungsorganen - Drehlager, Führungsschienen, Halterungen, etc. - benötigt.
Die der Erfindung zugrundeliegende Aufgabe besteht darin, die Teilevielfalt zur Realisierung derartiger Freigaben der Verklinkeinrichtungen für die Leistungsschalter auf ein Minimum zu reduzieren, ohne jedoch dabei auf die Wahlfreiheit zwischen einer elektrischen oder einer mechanischen Freigabe der Verklinkung bei einer späteren Montage der Leistungsschalter bei den Kunden vor Ort hinnehmen zu müssen. Erfindungsgemäß wird dies durch die Merkmale

  • 1.1. die Schalteinrichtung ist mit einem Taster ausgestattet, der in Druckrichtung eine Betätigungsstange mit einem kleiner dem halben Querschnittsmaß der Betätigungsstange entsprechenden Tastkopf aufweist,
  • 1.2. die Schalteinrichtung enthält einen Entriegelungshebel dergestalt, daß der Tastkopf beim Bewegen in Druckrichtung einer ersten Schaltstellung nicht in Eingriff mit dem Entriegelungshebel gelangt und daß der Tastkopf beim Bewegen in Druckrichtung in einer zweiten Schaltstellung im Eingriff mit dem Entriegelungshebel steht,
  • 1.3. die Betätigungsstange ist im Bereich des Tasters mit einem zu ihre Längsachse rechtwinklig angeordneten Querstift versehen, deren freie Enden gleichweit über die Außenkontur der Betätigungsstange herausragen,
  • 1.4. der Querstift steht in der ersten und in der zweiten Schaltstellung über einen Kipphebel derart mit einem Druckschalter in Verbindung, daß frei beschaltbare Kontakte des Druckschalters betätigbar sind, erreicht.
  • In the simplest case, various mechanical actuating rods with the necessary guide elements - rotary bearings, guide rails, brackets, etc. - are required for the respective releases.
    The object on which the invention is based is to reduce the number of parts for realizing such releases of the latching devices for the circuit breakers to a minimum, without, however, giving the customer the freedom to choose between an electrical or a mechanical release of the latching when the circuit breakers are later installed To take place. According to the invention, this is due to the features
  • 1.1. the switching device is equipped with a push button which has an actuating rod with a small probe head corresponding to half the cross-sectional dimension of the actuating rod in the pressure direction,
  • 1.2. the switching device contains an unlocking lever such that the probe head does not come into engagement with the unlocking lever when moving in the printing direction of a first switching position and that the probe head is in engagement with the unlocking lever when moving in the printing direction in a second switching position,
  • 1.3. the actuating rod is provided in the area of the push button with a transverse pin arranged at right angles to its longitudinal axis, the free ends of which protrude equally over the outer contour of the actuating rod,
  • 1.4. the cross pin is in the first and in the second switching position via a rocker arm in connection with a pressure switch in such a way that freely switchable contacts of the pressure switch can be actuated.
  • Mit dem Vorsehen einer für beide Betätigungsarten des Leistungsschalters - der mechanischen Freigabe und der elektrischen Freigabe der Verklinkung - gleichen Betätigungsstange ist erreicht, daß der Aufwand zur Realisierung der Freigabe des Leistungsschalters sich dahingehend reduziert, daß lediglich mit einer bestimmten axialen Winkelstellung des Tastkopfes der Betätigungsstange die mechanische oder die elektrische Freigabe des Leistungsschalters wahlfrei steuerbar ist. Bei der mechanischen Freigabe erreicht lediglich der längere Teil mit dem kleiner dem halben Querschnittsmaß der Betätigungsstange abgestuften Tastkopf den Entriegelungshebel zur Freigabe der Verklinkeinrichtung. Wird die Winkelstellung der Betätigungsstange um 180° um die Längsachse derselben gedreht, so wird mit der Betätigung der Betätigungsstange in Druckrichtung der Entriegelungshebel der Verklinkeinrichtung durch den Tastkopf nicht mehr erreicht, so daß auch keine mechanische Freigabe der Verklinkung erfolgt. Der für beide Freigaben grundsätzlich über den Kipphebel betätigte Druckschalter wird im Falle der elektrischen Freigabe so eingesetzt, daß mit einem freischaltbaren Kontakt, beispielsweise einem Arbeitskontakt, ein Auslösemagnet steuerbar ist, der auf den Entriegelungshebel im Sinne der elektrischen Steuerung zur Freigabe der Verklinkung einwirkt. Im Falle der mechanischen Betätigung können die Kontakte beispielsweise für eine optische Meldung der mechanischen Betätigung verwendet werden.With the provision of one for both types of operation of the circuit breaker - mechanical release and electrical Release of the latch - same actuation rod is achieved that the effort to realize the release the circuit breaker is reduced in that only with a certain axial angular position of the Probe of the actuating rod, the mechanical or the electrical release of the circuit breaker can be controlled optionally is. With the mechanical release, only the longer part with the smaller half the cross-sectional dimension of the Actuating rod graduated probe the release lever to release the latching device. Will the angular position the operating rod by 180 ° about the longitudinal axis of the same is rotated with the actuation of the actuation rod in Direction of pressure of the release lever of the latching device no longer reached by the probe, so that none mechanical release of the latch takes place. The one for both Approvals always operated via the rocker switch is used in the case of electrical release that with an unlockable contact, for example a make contact, a trigger magnet is controllable, the on the release lever in the sense of electrical control acts to release the latch. In case of The contacts can be operated mechanically, for example for a visual indication of the mechanical actuation be used.

    Eine vorteilhafte Ausgestaltung der Erfindung sieht in diesem Zusammenhang das Merkmal

  • 2.1. die Schalteinrichtung ist mit einer Verdrehschutzeinrichtung ausgestattet, in der der Querstift in der ersten und in der zweiten Schaltstellung in einem Längsschlitz zwangsgeführt ist, vor.
  • Die Funktion des Querstiftes ist somit in zweifacher Weise ausgenutzt; zum einen ist mit der durch eine entsprechend ausgestaltete ortsfest angebrachte Verdrehschutzeinrichtung mit der Schlitzbreite des Querstifts ein Verdrehschutz der Betätigungsstange erreicht, da sich dieselbe nur in den zwei um 180° versetzten Stellungen zur Freigabe der Verklinkeinrichtung in Druckrichtung bewegen läßt. Zum anderen dient der Querstift als Antrieb des Kipphebels und damit zur Betätigung des Druckschalters.An advantageous embodiment of the invention sees the feature in this context
  • 2.1. the switching device is equipped with an anti-rotation device in which the transverse pin is positively guided in a longitudinal slot in the first and in the second switching position.
  • The function of the cross pin is thus used in two ways; on the one hand, an anti-rotation protection of the actuation rod is achieved with the anti-rotation device with the slot width of the cross pin, since the same can only be moved in the two pressure positions in the pressure direction in two positions offset by 180 °. On the other hand, the cross pin serves to drive the rocker arm and thus to actuate the pressure switch.

    Die Erfindung wird durch ein figürlich dargestelltes Ausführungsbeispiel in zwei Figuren näher erläutert, wobei die

    Figur 1
    neben den auf die Betätigungseinrichtung einwirkenden Teile die Schaltstellung der Betätigungsstange zur elektrischen Freigabe zeigt, während in der
    Figur 2
    die Schaltstellung der Betätigungsstange zur mechanischen Freigabe angedeutet ist.
    The invention is explained in more detail by a figurative embodiment in two figures, the
    Figure 1
    in addition to the parts acting on the actuating device shows the switching position of the actuating rod for electrical release, while in the
    Figure 2
    the switching position of the actuating rod for mechanical release is indicated.

    In der Figur 1 ist die Betätigungseinrichtung BE auszugsweise dargestellt, die die Verklinkeinrichtung VE mit dem Entriegelungshebel EH enthält. Auf diesen Entriegelungshebel EH kann in der Schaltstellung S2 (Figur 2) die Betätigungsstange BS durch Druck auf den Taster TA in Druckrichtung DR zur mechanischen Freigabe der Verriegelungseinrichtung VE benutzt werden. Außerdem enthält die Betätigungsstange BS den Querstift QS, der in der Verdrehschutzeinrichtung VS durch einen nicht bezeichneten Längsschlitz geführt ist. Mit dieser Verdrehschutzeinrichtung VS ist erreicht, daß sich die Betätigungsstange BS lediglich in zwei um 180° versetzte Schaltstellungen S1 und S2 betätigen läßt, wobei die Schaltstellung S1 die elektrische Freigabe der Verklinkeinrichtung VE andeutet. Wird die Betätigungsstange BS in Druckrichtung DR betätigt, so wird mit dem Querstift QS der Kipphebel KH in Pfeilrichtung bewegt, und damit der Druckschalter DS betätigt. Innerhalb des Druckschalters DS sind frei beschaltbare Kontakte vorgesehen, mit deren Hilfe ein nicht dargestellter Elektromagnet geschaltet werden kann, der in ähnlicher Weise wie der Tastkopf TK der Betätigungsstange BS in der Schaltstellung S2 (Figur 2), auf den Entriegelungshebel EH der Verklinkeinrichtung VE einwirkt.In Figure 1, the actuator BE is excerpt shown that the latching device VE with the unlocking lever EH contains. On this release lever EH can in the switch position S2 (Figure 2) the actuating rod BS by pressing the TA button in the DR direction towards the mechanical one Release of the locking device VE used become. In addition, the actuating rod BS contains the cross pin QS in the anti-rotation device VS by a not designated longitudinal slot is performed. With this Anti-rotation device VS is reached that the operating rod BS only in two switching positions offset by 180 ° S1 and S2 can be operated, the switching position S1 indicates the electrical release of the latching device VE. If the actuating rod BS is actuated in the pressure direction DR, so with the cross pin QS the rocker arm KH in the direction of the arrow moved, and thus the pressure switch DS operated. There are freely switchable contacts within the pressure switch DS provided with the help of a not shown Electromagnet can be switched in a similar way like the probe TK of the actuating rod BS in the switch position S2 (Figure 2), on the release lever EH Latching device VE acts.

    Der Wechsel zwischen der elektrischen und der mechanischen Freigabe erfolgt lediglich durch eine um 180° um die Längsachse LA der Betätigungsstange BS gegenüber seiner ersten Schaltstellung S1 veränderten Schaltstellung S2.The change between the electrical and the mechanical Release only takes place by a 180 ° around the longitudinal axis LA the operating rod BS compared to its first Switch position S1 changed switch position S2.

    In der Figur 2 ist die Betätigungsstange BS dargestellt, deren Tastkopf TK gegenüber der elektrischen Freigabe in Schaltstellung S1 (Figur 1) um 180° um die Längsachse LA gedreht ist, so daß mit der Schaltstellung S2 die mechanische Freigabe der Verklinkeinrichtung VE (Figur 1) steuerbar ist.The actuating rod BS is shown in FIG. 2, whose probe TK compared to the electrical release in Switch position S1 (Figure 1) by 180 ° around the longitudinal axis LA is rotated so that the mechanical position S2 Release of the latching device VE (Figure 1) is controllable.

    Claims (2)

    1. Operating device for a circuit breaker having a latching device (VE) for releasing a first switch position of the circuit breaker, and for moving it to a second switch position, in which case the release may optionally be controlled mechanically or electrically, characterised by the following features:
      1.1 the operating device is equipped with a push button (TA) which, in the pushing direction (DR), has an operating rod (BS) with a small button head (TK) which corresponds to half the size of the cross section of the operating rod (BS),
      1.2 the operating device contains an unlocking lever (EH), such that the button head (TK) does not engage with the unlocking lever (EH) during movement in the pushing direction (DR) to a first switch position (S1) and such that the button head (TK) engages with the unlocking lever (EH) during movement in the pushing direction (DR) in a second switch position (S2),
      1.3 the operating rod (BS) is provided in the region of the push-button (TA) with a transverse pin (QS) which is arranged at right angles to its longitudinal axis (LA) and whose free ends project equally beyond the outer contour of the operating rod (BS),
      1.4 in the first switch position (S1) and in the second switch position (S2), the transverse pin (QS) is connected via a toggle lever (KH) to a push switch (DS) such that freely switchable contacts of the push switch (DS) can be operated.
    2. Switching device according to Claim 1,
      characterized by the following feature:
      2.1 the operating device is equipped with a rotation protection device (VS) in which the transverse pin (QS) is positively guided in a longitudinal slot in the first switch position (S1) and in the second switch position (S2).
    EP95931906A 1994-09-21 1995-09-18 Power switch actuating arrangement Expired - Lifetime EP0782756B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE9415903U 1994-09-21
    DE9415903U DE9415903U1 (en) 1994-09-21 1994-09-21 Actuator for a circuit breaker
    PCT/DE1995/001312 WO1996009633A1 (en) 1994-09-21 1995-09-18 Power switch actuating arrangement

    Publications (2)

    Publication Number Publication Date
    EP0782756A1 EP0782756A1 (en) 1997-07-09
    EP0782756B1 true EP0782756B1 (en) 2002-11-20

    Family

    ID=6914416

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95931906A Expired - Lifetime EP0782756B1 (en) 1994-09-21 1995-09-18 Power switch actuating arrangement

    Country Status (7)

    Country Link
    EP (1) EP0782756B1 (en)
    JP (1) JP3506712B2 (en)
    CA (1) CA2200466A1 (en)
    DE (2) DE9415903U1 (en)
    ES (1) ES2187573T3 (en)
    UA (1) UA43372C2 (en)
    WO (1) WO1996009633A1 (en)

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US3236967A (en) * 1963-03-15 1966-02-22 Westinghouse Electric Corp Switchgear having manual and motor operated spring charging means
    US3267743A (en) * 1965-10-22 1966-08-23 Ite Circuit Breaker Ltd Latch means for spring operator
    US4220936A (en) * 1979-04-06 1980-09-02 General Electric Company Manually operated generator circuit breaker

    Also Published As

    Publication number Publication date
    JP3506712B2 (en) 2004-03-15
    WO1996009633A1 (en) 1996-03-28
    UA43372C2 (en) 2001-12-17
    DE59510467D1 (en) 2003-01-02
    JPH10508718A (en) 1998-08-25
    ES2187573T3 (en) 2003-06-16
    DE9415903U1 (en) 1994-11-17
    CA2200466A1 (en) 1996-03-28
    EP0782756A1 (en) 1997-07-09

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