EP2337047B1 - Electric high voltage switch and switch position display for same - Google Patents
Electric high voltage switch and switch position display for same Download PDFInfo
- Publication number
- EP2337047B1 EP2337047B1 EP09015686.0A EP09015686A EP2337047B1 EP 2337047 B1 EP2337047 B1 EP 2337047B1 EP 09015686 A EP09015686 A EP 09015686A EP 2337047 B1 EP2337047 B1 EP 2337047B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power switch
- contact
- display element
- display
- circuit breaker
- 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.)
- Not-in-force
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
-
- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H2033/028—Details the cooperating contacts being both actuated simultaneously in opposite directions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/50—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
Definitions
- the invention relates to an electrical circuit breaker according to the preamble of claim 1 and a switching position indicator for a circuit breaker according to claim 9.
- FIG US-A-5663712 Another example of a circuit breaker having a display element is shown in FIG US-A-5663712 known.
- a so-called switching position display can be assigned, with the help of a user is displayed, whether the circuit breaker in its off position and thus in a non-conductive state or in its closed position and thus in a conductive state located.
- the object of the invention is to improve this switch position display.
- the invention solves this problem by an electric circuit breaker with the features of claim 1.
- the invention solves this problem also by a switch position display according to claim 9.
- an electrical circuit breaker is provided with the features of claim 1.
- the display element according to the invention is associated with the reverse gear. Thus, if a malfunction occurs in the area of the reverse gear, this has an influence on the display of the display element.
- the circuit breaker can be configured in various ways.
- the movement of the two contacts can also be designed differently than in the embodiment explained below be.
- the reversing gear can generally be a coupling between the two contacts, which can be realized mechanically or otherwise. With the help of the switching position display according to the invention thus a malfunction of this particular coupling of the two contacts can be detected.
- a second display element is present, which is coupled to the drive, wherein the two display elements are each provided to indicate a switch-off or a closed position of the circuit breaker, and wherein a malfunction of the circuit breaker is present when the two display elements different states Show.
- the open position represents a non-conductive state and the closed position is a conductive state of the circuit breaker.
- the reversing gear inter alia, a pivotable about a deflection shaft lever, wherein the first display element is associated with the lever.
- the first display element is firmly connected to the deflection shaft.
- the first display element according to the invention may optionally also be retrofitted to existing circuit breakers.
- FIGS. 1a, 1b each show a schematic longitudinal section through an embodiment of an electrical circuit breaker according to the invention in its Off position and its on position, and FIG. 2 shows a perspective view of the back of the circuit breaker of FIGS. 1a, 1b ,
- FIGS. 1a, 1b . 2 a single electrical circuit breaker 10 is shown, which is usually a component of a multi-phase switching device.
- the circuit breaker 10 is a high-voltage circuit breaker which, as in FIGS FIGS. 1a, 1b shown, usually erected vertically standing outdoors.
- the circuit breaker 10 can also be placed in an interior of a switchgear.
- circuit breaker 10 has an approximately tubular insulator body 12 which defines a longitudinal axis 13.
- an upper and a lower contact piece carrier 15, 16 are arranged, which are each approximately tubular and immersed in the insulator body 12 from above or below, and each having a radially projecting high-voltage terminal plate 17, 18, with which they each protrude outwardly beyond the insulator body 12.
- the two high-voltage terminal plates 17, 18 of the electric conductive contact piece carrier 15, 16 represent the electrical terminal poles of the circuit breaker 10.
- the upper contact piece carrier 15 is provided with a bottom 19, which contains an opening in which an electrically conductive first contact, namely a switching pin 21 is guided approximately coaxially to the longitudinal axis 13 slidably.
- an electrically conductive second contact namely a tulip contact 22 approximately coaxially to the longitudinal axis 13 slidably guided.
- the contact piece carrier 15, the bottom 19 and the switching pin 21 belong to a first, in the in the FIGS. 1a, 1b embodiment shown upper contact system and are conductively connected together.
- the contact piece carrier 16 and the tulip contact 22 to a second, in the in FIGS. 1a, 1b shown embodiment lower contact system and are also connected to each other conductive.
- the tulip contact 22 is usually a Isolierstoffdüse connected, which extends in the direction of the contact pin 21 and this largely surrounds. In the FIGS. 1a, 1b this Isolierstoffdüse is not shown for reasons of clarity.
- the upper contact piece carrier 15 is closed by a hat-shaped cover 24.
- a deflection shaft 26 is pivotally mounted.
- the pivot axis of the deflection shaft 26 is aligned approximately transversely to the longitudinal axis 13 and lies in the FIGS. 1a, 1b perpendicular to the drawing plane.
- FIG. 2 is a over the cover 24 to the outside projecting part of the deflection shaft 26 visible.
- a lever 27 is rotatably connected.
- the reversing lever 27 is aligned approximately transversely to the deflection shaft 26.
- the reversing lever 27 is pivotally connected to a connecting rod 28, which in turn is pivotally connected to the switching pin 21.
- a longitudinal slot 29 is contained, in which a sliding member 30 is slidably received.
- the slider 30 is pivotally connected to a push rod 31.
- the push rod 31 is aligned approximately parallel to the longitudinal axis 13 and extends through an opening in the bottom 19 of the upper contact piece carrier 15 in the direction of the lower contact piece carrier 16. There, the push rod 31 is connected to the tulip contact 22.
- the push rod 31 is made of an insulating material. Of course, it is also conceivable that only a part of the push rod 31 consists of an insulating material or is constructed in isolation. In particular, the push rod 31 may consist of conductive material and have an insulating intermediate element.
- the insulator body 12 continues downwards with an approximately tubular earth insulator 33.
- the earth insulator 33 is closed with a lid 34, in which an opening is included, through which a drive rod 35 extends.
- the drive rod 35 is aligned approximately coaxially with the longitudinal axis 13 and connected to the tulip contact 22.
- the drive rod 35 is made of an insulating material or is at least partially insulating and is connected to a mechanical (with spring), electric, pneumatic or hydraulic drive 36.
- the insulator body 12, the two high-voltage terminal plates 17, 18, the cover 24, the earth insulator 33 and its lid 34 form a gas-tight interior 38, which is filled with an insulating gas, for example with SF6.
- an insulating gas for example with SF6.
- a first display element 41 is fixedly attached to the deflection shaft 26.
- the indicator 41 on the back of the circuit breaker 10 is therefore not fully visible while in the FIG. 2 showing the back of the circuit breaker 10, the display element 41 is completely visible.
- the display element 41 is rod-like, is approximately transversely from the guide shaft 26 and points in the direction of an associated position indicator 42.
- the first display element 41 can also be coupled in a different manner to the deflection shaft 26 and / or to the deflection lever 27 and / or to the connecting rod 28 and / or to the push rod 31. This coupling can be carried out directly or indirectly.
- the first indicator element 41 is associated with the abovementioned components of the circuit breaker 10 forming a reversing gear 47, in particular the reversing lever 27, and only in the present special case Embodiment, the first display element 41 is fixedly connected to the deflection shaft 26.
- a second display element 44 is fixedly mounted on the drive rod 35.
- the display element 44 is rod-like, protrudes approximately transversely from the drive rod 35 and points in the direction of an associated position indicator 45th
- the two position indicators 42, 45 each have two icons, namely a "0" for the off position and a "1" for the closed position.
- the open position represents a non-conductive state and the closed position is a conductive state.
- the power switch 10 is shown in its non-conductive state. This means that the contact pin 21 and the tulip contact 22 are spaced apart from each other and are not electrically connected.
- the two display elements 41, 44 point to the image symbol "0" of the respective associated position indicator 42, 45. The two display elements 41, 44 thus indicate the non-conductive state of the circuit breaker 10.
- the two display elements 41, 44 point to different image symbols of the respective associated position indicators 42, 45, then it can be concluded that a malfunction of the circuit breaker 10.
- the non-conductive state of the circuit breaker 10 according to the FIG. 1a not at all, or at least not completely reached. This is equivalent to the fact that for the circuit breaker 10 which specified for its non-conductive state or required dielectric strength can not be guaranteed.
Landscapes
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
Die Erfindung betrifft einen elektrischen Leistungsschalter nach dem Oberbegriff des Anspruchs 1 sowie eine Schaltstellungsanzeige für einen Leistungsschalter nach dem Anspruch 9. Ein Leistungsschalter nach dem Oberbegriff des Anspruchs 1 ist beispielsweise aus der
Ein anderes Beispiel von einem Leistungsschalter, der ein Anzeigelement aufweist, ist aus der
Bei einem derartigen elektrischen Leistungsschalter kann beispielsweise dem Antrieb des Leistungsschalters eine sogenannte Schaltstellungsanzeige zugeordnet werden, mit deren Hilfe einem Benutzer angezeigt wird, ob sich der Leistungsschalter in seiner Ausschaltstellung und damit in einem nicht-leitenden Zustand oder in seiner Einschaltstellung und damit in einem leitenden Zustand befindet.In such an electrical circuit breaker, for example, the drive of the circuit breaker, a so-called switching position display can be assigned, with the help of a user is displayed, whether the circuit breaker in its off position and thus in a non-conductive state or in its closed position and thus in a conductive state located.
Aufgabe der Erfindung ist es, diese Schaltstellungsanzeige zu verbessern.The object of the invention is to improve this switch position display.
Die Erfindung löst diese Aufgabe durch einen elektrischen Leistungsschalter mit den Merkmalen des Anspruchs 1. Die Erfindung löst diese Aufgabe ebenfalls durch eine Schaltstellungsanzeige nach dem Anspruch 9.The invention solves this problem by an electric circuit breaker with the features of claim 1. The invention solves this problem also by a switch position display according to claim 9.
Erfindungsgemäß ist ein elektrischer Leistungsschalter vorgesehen mit den Merkmalen vom Anspruch 1.According to the invention, an electrical circuit breaker is provided with the features of claim 1.
Das erfindungsgemäße Anzeigeelement ist dem Umkehrgetriebe zugeordnet. Tritt somit eine Fehlfunktion im Bereich des Umkehrgetriebes auf, so hat dies einen Einfluss auf die Anzeige des Anzeigeelements.The display element according to the invention is associated with the reverse gear. Thus, if a malfunction occurs in the area of the reverse gear, this has an influence on the display of the display element.
Dies bringt den Vorteil mit sich, dass, wenn ein Benutzer den Leistungsschalter in einen erwünschten Zustand bzw. eine erwünschte Schaltstellung schalten will, und wenn die Anzeige des erfindungsgemäßen Anzeigeelements einen anderen als den erwünschten Zustand bzw. die erwünschte Schaltstellung anzeigt, der Benutzer allein aufgrund des erfindungsgemäßen Anzeigeelements auf eine Fehlfunktion insbesondere des Umkehrgetriebes des Leistungsschalters schließen kann.This has the advantage that when a user wants to switch the circuit breaker to a desired state or switching position, and when the display of the display element of the present invention indicates other than the desired state or switching position, the user is solely due of the display element according to the invention may indicate a malfunction, in particular of the reverse gear of the circuit breaker.
Eine derartige Fehlfunktion insbesondere des Umkehrgetriebes kann mit einem Leistungsschalter nach dem Stand der Technik nicht erkannt werden, da die dortige Schaltstellungsanzeige üblicherweise nur dem Antrieb zugeordnet ist, nicht jedoch dem Umkehrgetriebe.Such a malfunction, in particular of the reverse gear can not be detected with a circuit breaker according to the prior art, since the local switching position display is usually assigned only to the drive, but not the reverse gear.
Es versteht sich, dass der Leistungsschalter auf verschiedene Arten ausgestaltet sein kann. Insbesondere kann die Bewegung der beiden Kontakte auch andersartig als im nachfolgend erläuterten Ausführungsbeispiel ausgebildet sein. Insoweit kann es sich bei dem Umkehrgetriebe ganz allgemein um eine Kopplung zwischen den beiden Kontakten handeln, die mechanisch oder auf sonstige Weise realisiert sein kann. Mit Hilfe der erfindungsgemäßen Schaltstellungsanzeige kann somit eine Fehlfunktion insbesondere dieser Kopplung der beiden Kontakte erkannt werden.It is understood that the circuit breaker can be configured in various ways. In particular, the movement of the two contacts can also be designed differently than in the embodiment explained below be. In that regard, the reversing gear can generally be a coupling between the two contacts, which can be realized mechanically or otherwise. With the help of the switching position display according to the invention thus a malfunction of this particular coupling of the two contacts can be detected.
Bei einer vorteilhaften Weiterbildung der Erfindung ist ein zweites Anzeigeelement vorhanden, das mit dem Antrieb gekoppelt ist, wobei die beiden Anzeigeelemente jeweils zur Anzeige einer Ausschaltstellung oder einer Einschaltstellung des Leistungsschalters vorgesehen sind, und wobei eine Fehlfunktion des Leistungsschalters vorliegt, wenn die beiden Anzeigeelemente unterschiedliche Zustände anzeigen. Die Ausschaltstellung stellt dabei einen nicht-leitenden Zustand und die Einschaltstellung einen leitenden Zustand des Leistungsschalters dar.In an advantageous embodiment of the invention, a second display element is present, which is coupled to the drive, wherein the two display elements are each provided to indicate a switch-off or a closed position of the circuit breaker, and wherein a malfunction of the circuit breaker is present when the two display elements different states Show. The open position represents a non-conductive state and the closed position is a conductive state of the circuit breaker.
Auf diese Weise wird es dem Benutzer erleichtert, eine Fehlfunktion des Leistungsschalters zu erkennen.In this way, it is easier for the user to detect a malfunction of the circuit breaker.
Vorzugsweise weist das Umkehrgetriebe unter anderem einen um eine Umlenkwelle schwenkbaren Umlenkhebel auf, wobei das erste Anzeigeelement dem Umlenkhebel zugeordnet ist. Dabei ist es zweckmäßig, wenn das erste Anzeigeelement fest mit der Umlenkwelle verbunden ist.Preferably, the reversing gear, inter alia, a pivotable about a deflection shaft lever, wherein the first display element is associated with the lever. there It is expedient if the first display element is firmly connected to the deflection shaft.
Besonders vorteilhaft ist es, wenn zumindest ein Teil der Umlenkwelle nach außen aus dem Leistungsschalter heraussteht, wobei das erste Anzeigeelement fest mit diesem Teil der Umlenkwelle verbunden ist. Auf diese Weise kann die Herstellung des Leistungsschalters vereinfacht werden. Insbesondere kann das erfindungsgemäße erste Anzeigeelement gegebenenfalls auch noch nachträglich an vorhandene Leistungsschalter angebracht werden.It is particularly advantageous if at least part of the deflection shaft protrudes outward from the circuit breaker, wherein the first display element is firmly connected to this part of the deflection shaft. In this way, the manufacture of the circuit breaker can be simplified. In particular, the first display element according to the invention may optionally also be retrofitted to existing circuit breakers.
Weitere Merkmale, Anwendungsmöglichkeiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung, die in den Figuren der Zeichnung dargestellt sind. Dabei bilden alle beschriebenen oder dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Patentansprüchen oder deren Rückbeziehung sowie unabhängig von ihrer Formulierung bzw. Darstellung in der Beschreibung bzw. in der Zeichnung.Other features, applications and advantages of the invention will become apparent from the following description of embodiments of the invention, which are illustrated in the figures of the drawing. All described or illustrated features, alone or in any combination form the subject matter of the invention, regardless of their summary in the claims or their dependency and regardless of their formulation or representation in the description or in the drawing.
In den
Der in den
Der obere Schaltstückträger 15 ist mit einem Boden 19 versehen, der eine Öffnung enthält, in der ein elektrisch leitfähiger erster Kontakt, und zwar ein Schaltstift 21 etwa koaxial zur Längsachse 13 verschiebbar geführt ist. Entlang der Innenwand des unteren Schaltstückträgers 16 ist ein elektrisch leitfähiger zweiter Kontakt, und zwar ein Tulpenkontakt 22 etwa koaxial zur Längsachse 13 verschiebbar geführt. Der Schaltstückträger 15, der Boden 19 und der Schaltstift 21 gehören zu einem ersten, in der in den
Mit dem Tulpenkontakt 22 ist üblicherweise eine Isolierstoffdüse verbunden, die sich in Richtung zu dem Kontaktstift 21 erstreckt und diesen weitgehend umgibt. In den
Der obere Schaltstückträger 15 ist mit einem hutförmigen Deckel 24 verschlossen. In dem Deckel 24 ist eine Umlenkwelle 26 schwenkbar gelagert. Die Schwenkachse der Umlenkwelle 26 ist etwa quer zur Längsachse 13 ausgerichtet und liegt in den
Mit der Umlenkwelle 26 ist ein Umlenkhebel 27 drehfest verbunden. Der Umlenkhebel 27 ist etwa quer zur Umlenkwelle 26 ausgerichtet. An seinem einen freien Ende ist der Umlenkhebel 27 mit einer Pleuelstange 28 schwenkbar verbunden, die ihrerseits mit dem Schaltstift 21 schwenkbar verbunden ist. In dem anderen freien Ende des Umlenkhebels 27 ist ein Längsschlitz 29 enthalten, in dem ein Gleitelement 30 verschiebbar aufgenommen ist. Das Gleitelement 30 ist schwenkbar mit einer Schubstange 31 verbunden. Die Schubstange 31 ist etwa parallel zur Längsachse 13 ausgerichtet und erstreckt sich durch eine Öffnung in dem Boden 19 des oberen Schaltstückträgers 15 hindurch in Richtung zu dem unteren Schaltstückträgers 16. Dort ist die Schubstange 31 mit dem Tulpenkontakt 22 verbunden. Die Schubstange 31 besteht aus einem isolierenden Material. Selbstverständlich ist es auch denkbar, dass nur ein Teil der Schubstange 31 aus einem isolierenden Material besteht oder isoliert aufgebaut ist. Insbesondere kann die Schubstange 31 aus leitfähigem Material bestehen und ein isolierendes Zwischenelement aufweisen.With the
Es wird darauf hingewiesen, dass die Schubstange 31 auch an der eingangs erwähnten, in den
Ausgehend von dem unteren Schaltstückträger 16 setzt sich der Isolatorkörper 12 nach unten mit einem etwa rohrförmigen Erdisolator 33 fort. Der Erdisolator 33 ist mit einem Deckel 34 verschlossen, in dem eine Öffnung enthalten ist, durch die sich eine Antriebsstange 35 erstreckt. Die Antriebsstange 35 ist etwa koaxial zur Längsachse 13 ausgerichtet und mit dem Tulpenkontakt 22 verbunden. Die Antriebsstange 35 besteht aus einem isolierenden Material bzw. ist zumindest teilweise isolierend ausgebildet und ist mit einem mechanischen (mit Feder), elektrischen, pneumatischen oder hydraulischen Antrieb 36 verbunden.Starting from the lower
Der Isolatorkörper 12, die beiden Hochspannungsanschlussplatten 17, 18, der Deckel 24, der Erdisolator 33 sowie dessen Deckel 34 bilden einen gasdichten Innenraum 38, der mit einem Isoliergas, beispielsweise mit SF6 befüllt ist. Aus diesem Innenraum 38 ragen, wie erwähnt, die Umlenkwelle 26 (siehe
In dem außerhalb des gasdichten Innenraums 38 verlaufenden Teil der Umlenkwelle 26 ist ein erstes Anzeigeelement 41 fest an der Umlenkwelle 26 angebracht. In den
Es versteht sich, dass das erste Anzeigeelement 41 auch auf eine andere Art und Weise mit der Umlenkwelle 26 und/oder mit dem Umlenkhebel 27 und/oder mit der Pleuelstange 28 und/oder mit der Schubstange 31 gekoppelt sein kann. Diese Kopplung kann dabei direkt oder indirekt ausgeführt sein. Verallgemeinert ist das erste Anzeigeelement 41 den vorgenannten, ein Umkehrgetriebe 47 bildenden Bauteilen des Leistungsschalters 10, insbesondere dem Umlenkhebel 27 zugeordnet, und nur in der vorliegenden speziellen Ausführungsform ist das erste Anzeigeelement 41 fest mit der Umlenkwelle 26 verbunden.It is understood that the
In dem außerhalb des gasdichten Innenraums 38 verlaufenden Teil der Antriebsstange 35 ist ein zweites Anzeigeelement 44 fest an der Antriebsstange 35 angebracht. Im vorliegenden Ausführungsbeispiel ist das Anzeigeelement 44 stangenartig ausgebildet, steht etwa quer von der Antriebsstange 35 ab und weist in Richtung auf eine zugehörige Stellungsanzeige 45.In the outside of the gas-
Die beiden Stellungsanzeigen 42, 45 weisen jeweils zwei Bildsymbole auf, und zwar eine "0" für die Ausschaltstellung und eine "1" für die Einschaltstellung. Die Ausschaltstellung stellt dabei einen nicht-leitenden Zustand und die Einschaltstellung einen leitenden Zustand dar.The two
In der
Für einen Übergang von der Ausschaltstellung der
Aufgrund der erläuterten gegenläufigen Bewegungen des Tulpenkontakts 22 einerseits und des Kontaktstifts 21 andererseits nähern sich die beiden Kontakte einander an und kommen schließlich in Eingriff. In der
Für einen Übergang von der Einschaltstellung der
Die Ausschaltstellung des Leistungsschalters 10 gemäß der
Diejenigen Bauteile, die die mechanische Kopplung zwischen dem Tulpenkontakt 22 und dem Kontaktstift 21 herstellen, also insbesondere die Schubstange 31, der Umlenkhebel 27, die Umlenkwelle 26 und die Pleuelstange 28, wurden bereits als Umkehrgetriebe 47 bezeichnet.Those components that produce the mechanical coupling between the
Liegt an einem der genannten Bauteile des Umkehrgetriebes 47 eine Fehlfunktion vor, so ist es möglich, dass der nicht-leitende Zustand der
Ein derartiger Fehler wird dadurch kenntlich, dass in der Ausschaltstellung nur das mit der Antriebsstange 35 verbundene zweite Anzeigeelement 44 auf das Bildsymbol "0" des zugehörigen Stellungsanzeigers 45 zeigt, während das mit dem Umlenkhebel 27 verbundene erste Anzeigeelement 41 auf das Bildsymbol "1" des zugehörigen Stellungsanzeigers 44 zeigt.Such an error is indicated by the fact that in the off position, only the
Zeigen also die beiden Anzeigeelemente 41, 44 auf unterschiedliche Bildsymbole der jeweils zugehörigen Stellungsanzeigen 42, 45, so kann daraus auf eine Fehlfunktion des Leistungsschalters 10 geschlossen werden. Insbesondere kann daraus geschlossen werden, dass der nicht-leitende Zustand des Leistungsschalters 10 gemäß der
Wenn ein bestimmter Abstand zwischen den beiden Kontakten 21, 22 unterschritten wird, also der Abstand nicht ausreicht, um eine vorgegebene Spannungsfestigkeit zu gewährleisten, wird auch dies durch die Stellungsanzeigen 42, 45 angezeigt, indem zumindest eines der beiden Anzeigeelemente 41, 44 in einer Zwischenstellung zwischen den Bildsymbolen "0" und "1" steht.If a certain distance between the two
Claims (12)
- An electric power switch (10), having a first displaceable contact and a second displaceable contact, which are movable in contrary motion to one another, having a drive (36), which is coupled with the second contact, and having a reversing gear (47), which establishes a coupling between the second and the first contact, characterized in that a first display element (41) is provided, which is associated with the reversing gear (47).
- The power switch (10) of claim 1, wherein the first and the second contact (21, 22) are movable along a longitudinal axis (13) of the power switch (10).
- The power switch (10) of one of claims 1 or 2, wherein there is a second display element (44), which is coupled with the drive (36), and the two display elements (41, 44) are each provided for displaying an OFF position or an ON position of the power switch (10), and wherein a malfunction of the power switch (10) exists if the two display elements (41, 44) display different statuses.
- The power switch (10) of one of claims 1-3, wherein the reversing gear (47) has, among other elements, a reversing lever (27) that is pivotable about a deflector shaft (26), and wherein the first display element (41) is associated with the reversing lever (27).
- The power switch (10) of claim 4, wherein the first display element (41) is fixedly connected to the deflector shaft (26).
- The power switch (10) of one of claims 4 or 5, wherein at least a portion of the deflector shaft (26) protrudes outward from the power switch (10), and wherein the first display element (41) is fixedly connected to this portion of the deflector shaft (26).
- The power switch (10) of one of claims 4-6, wherein the reversing gear (47) has a connecting rod (28) and a slide rod (31), which are each coupled to the reversing lever (27) and to one of the two contacts.
- The power switch (10) of one of claims 3-7, wherein the second display element (44) is connected to a drive rod (35) that connects the drive (36) and the second contact.
- A switch position display for an electric power switch (10), wherein the power switch (10) is provided with a a first displaceable contact and a second displaceable contact, which are movable in contrary motion to one another, and wherein the power switch (10) is provided with a drive (36), which is coupled with the second contact, and with a reversing gear (47), which establishes a coupling between the second and the first contact, characterized in that the switch position display has a first display element (41), which is associated with the reversing gear (47).
- The switch position display of claim 9, wherein the reversing gear (47) has, among other elements, a reversing lever (27) that is pivotable about a deflector shaft (26), and wherein the first display element (41) is associated with the reversing lever (27).
- The switch position display of claim 10, wherein the first display element (41) is fixedly connected to the deflector shaft (26).
- The switch position display of one of claims 10 or 11, wherein at least a portion of the deflector shaft (26) protrudes outward from the power switch (10), and wherein the first display element (41) is fixedly connected to this portion of the deflector shaft (26).
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09015686.0A EP2337047B1 (en) | 2009-12-18 | 2009-12-18 | Electric high voltage switch and switch position display for same |
US12/926,246 US8492667B2 (en) | 2009-12-18 | 2010-11-04 | Electrical circuit breaker and switch position indicator thereto |
CA2723193A CA2723193A1 (en) | 2009-12-18 | 2010-11-30 | Electrical circuit breaker and switch position indicator thereto |
BRPI1005602-5A BRPI1005602A2 (en) | 2009-12-18 | 2010-12-15 | electric power switch as well as connection position indicator for the same |
CN201010610088.0A CN102103941B (en) | 2009-12-18 | 2010-12-20 | Electrical circuit breaker and switch position indicator thereto |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09015686.0A EP2337047B1 (en) | 2009-12-18 | 2009-12-18 | Electric high voltage switch and switch position display for same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2337047A1 EP2337047A1 (en) | 2011-06-22 |
EP2337047B1 true EP2337047B1 (en) | 2014-07-02 |
Family
ID=42111499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09015686.0A Not-in-force EP2337047B1 (en) | 2009-12-18 | 2009-12-18 | Electric high voltage switch and switch position display for same |
Country Status (5)
Country | Link |
---|---|
US (1) | US8492667B2 (en) |
EP (1) | EP2337047B1 (en) |
CN (1) | CN102103941B (en) |
BR (1) | BRPI1005602A2 (en) |
CA (1) | CA2723193A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5989445B2 (en) * | 2012-07-31 | 2016-09-07 | 株式会社東芝 | Shock absorber for operating mechanism for switchgear |
WO2016012841A1 (en) * | 2014-07-25 | 2016-01-28 | Alstom Technology Ltd | Disconnector for electrical lines and systems with high current and high short-circuit value |
EP3082144B1 (en) * | 2015-04-15 | 2017-10-18 | Siemens Aktiengesellschaft | Electrical switching device with two-track cam |
FR3124306A1 (en) * | 2021-06-16 | 2022-12-23 | Schneider Electric Industries Sas | Device for breaking a medium voltage electrical circuit |
CN113436917B (en) * | 2021-07-13 | 2023-02-07 | 宁波公牛数码科技有限公司 | Switch with a switch body |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3399286A (en) * | 1966-03-07 | 1968-08-27 | Powerdyne Inc | High voltage electric swtich |
US3896282A (en) * | 1973-05-25 | 1975-07-22 | S & C Electric Co | High voltage circuit interrupting device |
US4238657A (en) * | 1978-07-06 | 1980-12-09 | S&C Electric Company | Switch operator condition and position indicator mechanism |
JPS57154739A (en) * | 1981-03-19 | 1982-09-24 | Tokyo Shibaura Electric Co | Device for operating circuit breaker |
US5663712A (en) * | 1994-12-30 | 1997-09-02 | Hubbell Incorporated | Electrical contact position indicator assembly |
EP0721197B1 (en) * | 1995-01-06 | 2002-03-06 | Gec Alsthom T & D Sa | Circuit breaker with two interrupting units per phase |
DE19730583B4 (en) * | 1996-08-01 | 2007-06-21 | Areva Energietechnik Gmbh | Air blast switch |
FR2763171B1 (en) * | 1997-05-07 | 1999-07-09 | Gec Alsthom T & D Sa | CIRCUIT BREAKER |
FR2770678B1 (en) * | 1997-10-30 | 1999-12-31 | Gec Alsthom T & D Sa | GENERATOR CIRCUIT BREAKER WITH SINGLE MECHANICAL CONTROL |
DE19814397C1 (en) * | 1998-03-31 | 1999-12-23 | Moeller Gmbh | Arrangement for switching position display and burn-up display in an electrical switching device |
EP1630840B1 (en) * | 2004-08-23 | 2006-12-20 | ABB Technology AG | Heavy-duty circuit-breaker with reversal of the movement |
KR100631006B1 (en) * | 2005-05-14 | 2006-10-04 | 엘에스산전 주식회사 | A gas insulated switchgear |
US7579571B2 (en) * | 2006-05-31 | 2009-08-25 | Thomas & Betts International, Inc. | Visible open indicator |
FR2906929B1 (en) * | 2006-10-09 | 2009-01-30 | Areva T & D Sa | ACTUATION BY CONTACTS OF A DOUBLE MOVEMENT CUT CHAMBER BY AN INSULATING TUBE |
JP4911763B2 (en) * | 2006-10-17 | 2012-04-04 | 株式会社東芝 | Power switchgear equipped with an operation monitoring function using an IC tag with a sensor |
FR2915310B1 (en) * | 2007-04-17 | 2009-07-10 | Areva T & D Sa | CIRCUIT BREAKER WITH DOUBLE MOVEMENT CHAMBER AND REVERSE STRUCTURE. |
-
2009
- 2009-12-18 EP EP09015686.0A patent/EP2337047B1/en not_active Not-in-force
-
2010
- 2010-11-04 US US12/926,246 patent/US8492667B2/en active Active
- 2010-11-30 CA CA2723193A patent/CA2723193A1/en not_active Abandoned
- 2010-12-15 BR BRPI1005602-5A patent/BRPI1005602A2/en not_active IP Right Cessation
- 2010-12-20 CN CN201010610088.0A patent/CN102103941B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110147179A1 (en) | 2011-06-23 |
US8492667B2 (en) | 2013-07-23 |
CN102103941A (en) | 2011-06-22 |
EP2337047A1 (en) | 2011-06-22 |
CN102103941B (en) | 2014-11-26 |
BRPI1005602A2 (en) | 2013-04-09 |
CA2723193A1 (en) | 2011-06-18 |
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