EP2441081B1 - Operating mechanism for electrical switching apparatuses with three separate positions - Google Patents
Operating mechanism for electrical switching apparatuses with three separate positions Download PDFInfo
- Publication number
- EP2441081B1 EP2441081B1 EP10720602.1A EP10720602A EP2441081B1 EP 2441081 B1 EP2441081 B1 EP 2441081B1 EP 10720602 A EP10720602 A EP 10720602A EP 2441081 B1 EP2441081 B1 EP 2441081B1
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- EP
- European Patent Office
- Prior art keywords
- shaft
- switching device
- arrangement according
- device arrangement
- gear
- 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.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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Images
Classifications
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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
- H01H33/42—Driving mechanisms
-
- 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
- H01H31/003—Earthing switches
-
- 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
- H01H33/022—Details particular to three-phase circuit breakers
Definitions
- the invention relates to a switching device arrangement with a movable active conductor arranged inside an encapsulating housing and a drive device arranged outside the encapsulating housing with a gear as part of a kinematic chain for moving the active conductor, wherein the kinematic chain passes through the encapsulating housing.
- Such a switching device arrangement is for example from the utility model DE 298 06 654 U1 known.
- a gas-insulated high-voltage switchgear is described, which has a circuit breaker and an associated drive device.
- the local drive device has a first and a second cuboid-shaped region, so that a shoulder is formed on the drive device.
- Such constructed drive means can be arranged in small-dimensioned clearances of the gas-insulated high-voltage switchgear, with several mutually overlapping drive means allow effective use of space.
- the object is achieved in a switching device arrangement of the type mentioned in that the gear for direction reversal of a releasable movement alternately turned around a turning axis and as a result of the turning off the transmission of the transmission with changed sense of direction is coupled into the kinematic chain.
- An encapsulating housing is, for example, a fluid-tight encapsulating housing as used in high-voltage switchgear.
- Fluid-tight encapsulating housings are designed, for example, in the form of cast housings or welded housings, the interior of the encapsulating housings being filled with a fluid, for example an insulating gas or an insulating fluid.
- a fluid for example an insulating gas or an insulating fluid.
- active conductors or active conductor trains are preferably arranged, which serve to conduct an electric current and are acted upon by electrical potentials, which are different from the potential of the encapsulation housing, for example.
- Movable active conductors are used as needed for the production of a separation line, a ground connection or the like.
- the movable active conductors can be used in addition to the formation of a separation point in an active conductor train and a preparation of a compound of Aktivleiterzuges with ground potential. It has proved particularly advantageous to use a combination of a plurality of movable active conductors, which are movable by a common drive device, wherein a first active conductor the production of a separation point within a Aktivleiterzuges and a second active conductor of a compound of Aktivleiterzuges serves at ground potential.
- the first and the second active conductor can be driven by one and the same drive device.
- a drive device is advantageously arranged outside of the encapsulating housing and has a transmission.
- the transmission is part of a kinematic chain, which is used to transmit a movement from a source, such as an electric motor drive, a manual drive or the like to a movable active conductor.
- the kinematic chain penetrates the encapsulating housing. In a fluid-tight configuration of the encapsulating housing, the kinematic chain should enable a fluid-tight transmission of a movement through the encapsulating housing.
- a neutral position is advantageous in which the two movable active conductors are electrically isolated from the encapsulating housing and a separation point is formed in an active conductor. From this neutral position, it is possible by means of the drive means to move the first active conductor in a closed position and so to bridge the separation point in Aktivleiterzug. For this purpose, the drive device generates a movement in a first direction. To return the first active conductor in the neutral position, a reversal of the direction of movement in a second direction until the neutral position is reached. To drive the second movable active conductor, a release of a movement from the drive device in the second direction and to the return movement of the second movable active conductor and to the same in the neutral position takes place a movement in the first direction.
- first direction and second direction are to be defined in each case.
- a reversal of direction is achieved by turning the gearbox around a turning axis.
- the gearbox is constructed in the manner of a cassette, which fixes the individual gear elements to each other and allows easy turning of the gearbox. This makes it possible to couple the transmission in the two spiral layers in the kinematic chain and thus to allow a reversal of direction to one and the same encapsulating.
- the trajectories of the transmission are independent of its location constant. With respect to the first direction and the second direction, their sense of direction is exchanged.
- the drive device has an electric motor drive on which is rigidly connected to the transmission. Regardless of the position of the transmission whose electrical control remains the same, since a change of direction is achieved by turning the gearbox.
- the electromotive drive is turned together with the gearbox.
- An advantageous embodiment may provide that the kinematic chain has a shaft passing through the encapsulating housing and the turning axis is aligned radially to the shaft.
- a shaft serves to transmit a rotational movement.
- Rotary movements are sealed with appropriate sealing rings in a simple manner to transmit through the encapsulating. Due to a rotation a favorable sealing in the peripheral region of the shaft is made possible. Furthermore, given an orientation of the turning axis radially to the axis of the shaft, it is possible to maintain a vertical orientation of the gear and shaft in the various installation positions of the transmission.
- the encapsulating housing has a receiving shaft in which the transmission is used alternately rotated by 180 ° about the turning axis.
- the receiving shaft on the encapsulating it is possible to fix the transmission relative to the encapsulating. Due to the position of the shaft, which passes through the encapsulating, the receiving shaft is adapted to maintain the vertical alignment of shaft and gearbox to each other. A 180 ° rotation of the transmission about the turning axis further allows for a cassette-like design of the transmission this within the receiving shaft position and thereby use the same recording points for the rigid fixing of the gearbox within the receiving shaft in different mounting positions. Thus, it is possible to maintain the radial alignment of shaft and turning axis.
- the shaft should advantageously pass through the encapsulating housing within the receiving shaft.
- gear axis preferably a plurality of gear axes, in particular all gear axes, parallel to the turning axis.
- Movement axes of moving parts of the transmission should preferably lie in a projection perpendicular or parallel to the turning axis.
- the transmission should advantageously have gears with frontally toothed gears, wherein the axes of rotation of the gears are preferably aligned parallel to the turning axis.
- a rotational movement of one of the gears is converted via a crank into a lateral movement and transfer this lateral movement to a movable rack.
- the lateral movement should be in a projection perpendicular to the turning axis.
- the receiving shaft is delimited by a circumferential, the drive device enclosing sealing surface.
- a boundary of the receiving shaft by means of a circumferential sealing surface makes it possible to close the receiving shaft, wherein a sealing effect on the sealing surface can be generated.
- the drive device itself can be constructed free of housings or guards.
- the volume, in particular of the transmission can be kept low and this is covered by a hood, which rests sealingly on the sealing surface. This makes it possible to protect the drive device in the interior of the receiving shaft from the action of foreign bodies.
- the receiving shaft bearing points and the transmission is fixed by means of at least one adapter plate at the bearing points.
- An arrangement of bearing points within the receiving shaft makes it possible to position the drive device within the receiving shaft relative to the peripheral sealing surface or to the shaft. This provides a possibility to provide a simple assembly of the drive device in order to couple the transmission in a simple manner in the kinematic chain can.
- the bearing points should be used advantageously both for one and for the other position of the transmission. This can ensure that assembly errors are excluded and the respectively desired definition of the sense of direction with respect to the first and second directions is met.
- the transmission is connected via at least one adapter plate with the bearing points.
- the shaft has a toothing, via which a movement of the transmission is coupled.
- a toothing on the shaft makes it possible to couple high actuating forces in the shaft and thereby set a clear positioning of the individual moving parts of the transmission to the shaft due to the teeth. This uniquely assigned position remains even after a variety of movement games.
- the toothing is a toothing of a spur gear.
- the toothing of a spur gear is to be formed on the shaft in a simple manner.
- a coupling of the transmission to a frontal toothing can be done from different radial directions.
- a suitable embodiment is given in order to use a flat-built drive, which can be arranged even in cramped conditions.
- a frontal toothing is particularly suitable to align a turning axis of the transmission in the radial direction to the shaft and to allow a radial coupling of the transmission.
- the transmission has a laterally movable rack, which is medium or directly engaged with the teeth of the shaft.
- a laterally movable rack can represent the output element of the transmission.
- a lateral movement of a rack can also take place in slot-like recesses of a switching device arrangement and thereby transmit large actuating forces.
- the movable rack may be directly or indirectly engaged with the teeth of the shaft.
- the rack is engaged via a gear stored independently of the gear with the shaft.
- the use of a gear mounted independently of the gear for transmitting the movement of the rack on the shaft makes it possible to make an additional reduction of the movement of the rack can. Furthermore, the depth of the drive device can be reduced by a lateral offset of the gear relative to the turning axis.
- the laterally movable rack can be moved closer in the direction of the shaft, on the other hand, a corresponding reduction of the movement or of the forces to be applied can take place via the gear mounted independently of the gear. Due to the independent mounting of the gear wheel, it is possible to couple the transferable from the transmission actuating forces to various switching device assemblies and adapt an adjustment of the votes of the transmission movements to the movements required on the shaft.
- the gear is mirrored with change of the position of the transmission to the turning axis mirrored on the encapsulating.
- the laterally movable rack In the neutral position of the transmission, the laterally movable rack should be aligned as centrally as possible to the turning axis. Thus, it is possible for a turn of the transmission, the laterally movable rack to perform approximately the same strokes in both the first and in the second direction.
- an asymmetrical arrangement of the rack to the turning axis can now be done on the change of the position of the gear balancing the asymmetry of the position of the movable rack.
- the contacting of the gear with the rack is as centric as possible, d. H. centrally, provided on the rack, so that a similar delivery of a movement can take place in both the first and in the second direction.
- the asymmetrical position of the movable rack Upon rotation of the transmission about the turning axis is offset with the mirrored arrangement of the gear, the asymmetrical position of the movable rack relative to the turning axis and allows an approximately central contacting of gear and rack on the rack.
- a switching position indicator is arranged on both sides of the turning axis to the turning axis spaced in each case.
- Switching position display devices can advantageously be arranged on both sides of the turning axis, so that regardless of the arrangement of the transmission, the switching position devices can be controlled in the same manner. From the transmission movements are coupled to control the switching position display devices, which are transmitted to the switch position display. Thus, a switching position can be displayed directly in a mechanical manner.
- the switch position indicators may also provide imaging contacts be, so that an electrical signaling of the switching position is possible.
- the FIG. 1 shows a section through an encapsulating 1.
- the encapsulating 1 is designed in the present case as a cast aluminum housing, wherein the encapsulating 1 has a first flange 2, a second flange 3, a third flange 4 and a fourth flange 5.
- the flanges 2, 3, 4, 5 are each designed as annular flanges, wherein each two flanges are aligned coaxially with each other and arranged at opposite ends of the encapsulating 1.
- the first and the second flange 2, 3 are aligned coaxially with each other and the third and the fourth flange 4, 5 coaxially aligned.
- Coaxial axes of the first and second and third and fourth flange 2, 3, 4, 5 are aligned with each other in such a way that they intersect each other.
- the coaxial axes should intersect at right angles, so that the encapsulating is designed as a so-called cross-block.
- the encapsulating housing 1 thus forms a receiving space in its interior.
- the flanges 2, 3, 4, 5 can be closed, for example, with fluid-tight disk insulators, so that the interior of the encapsulating housing 1 can be filled with an electrically insulating fluid.
- a fluid is for example an electrically insulating gas, such as sulfur hexafluoride, nitrogen or another electrically insulating gas.
- the fluid should be arranged under an elevated pressure inside the encapsulating housing 1.
- the encapsulating housing 1 is penetrated by a first active conductor cable 6 and a second active conductor cable 7.
- the first Aktivleiterzug 6 extends in the direction of the coaxial axis of the first and second flange 2, 3.
- the second Aktivleiterzug 7 extends in the direction of the coaxial axis of the third and fourth flange 4, 5.
- the first and the second Aktivleiterzug 6, 7 are electrically conductive contacted with each other, so that all the respective flanges 2, 3, 4, 5 passing through conductor tracks 6, 7 may have the same electrical potential.
- the Aktivleiternism 6, 7 are electrically isolated with respect to the encapsulating housing 1 stored (for example, on the flanges 2, 3, 4, 5 closing disc insulators).
- a first movable active conductor 8 is arranged in the first Aktivleiterzug 6, a first movable active conductor 8 is arranged.
- the first active conductor 8 is part of the first Aktivleiterzuges 6 and allows the formation of a separation point in the course of the first Aktivleiterzuges 6.
- About the first movable active conductor 8 producible separation line is the first Aktivleiterzug in a first section 6a and a second section 6b divisible.
- the first active conductor 8 is movable relative to the second active conductor cable 7 and to the first and second sections 6a, 6b.
- a second movable active conductor 9 is provided.
- the second movable active conductor 9 is galvanically connected to the first Aktivleiterzug 6 and movable relative to the first Aktivleiterzug 6.
- first and second active conductor trains 6, 7 and the first active conductor and second active conductor 8, 9 are also further active conductor trains and other movable active conductor within the encapsulating 1 positionable. These can be configured, for example, similar to the visible in the figure Aktivleitermann and active conductors and, for example, with respect to the plane of the drawing to be arranged one behind the other.
- the encapsulating housing 1 with the Aktivleiterppn 6, 7 and the active conductors 8, 9 represents a switching device arrangement.
- the second Aktivleiterzug 7 is permanently connected to the second portion 6b of the first Aktivleiterzuges 6 galvanic and thus electrically conductive.
- a dielectrically shielding deflection housing 10 is arranged at the first portion 6a of the first active conductor train 6.
- the deflecting housing 10 is made, for example, of electrically conductive material and is made to be electrically connected to the first active conductor run 6 in connection.
- a receiving space is provided to at least partially accommodate the first and the second active conductor 8, 9 can.
- a movement of the two active conductors 8, 9 can be provided such that a movement of the second active conductor 9 out of the deflection housing 10 out only possible when the first active conductor 8 is retracted into the deflection housing 10 or the reverse, a movement of the first active conductor 8 from the deflection housing 10 out only possible when the second active conductor 9 is retracted into the deflection housing 10.
- an electrically insulating shaft 11 is mounted on the deflection housing 10.
- the shaft 11 is rotatably mounted and serves to couple a rotational movement in the interior of the deflecting housing 10 on the movable active conductor 8, 9.
- a reversing gear is arranged within the receiving space of the deflecting 10.
- the first movable active conductor 8 is used to generate a separation path between the first and the second portion 6a, 6b of the first active conductor 6.
- the second movable active conductor 9 is used for electrical contacting of the first portion 6a of the first active conductor 6 with the potential of the encapsulating 1.
- Das Enclosing housing 1 usually carries ground potential.
- a mating contact 12 is formed, in which the second movable active conductor 9 is retractable.
- a mating contact 13 is arranged in the second section 6b of the first active conductor train 6 for the first active conductor 8.
- the mating contacts 12, 13 are each formed as sockets, whereas the movable active conductors 8, 9 are designed bolt-shaped.
- the shaft 11 is dimensioned such that it penetrates the encapsulating housing 1 at least at one point.
- FIG. 2 is a perspective view of the encapsulating 1 shown.
- a wall of the encapsulating housing 1 is penetrated by the shaft 11.
- the shaft 11 is used for this purpose in a fluid-tight bearing and sealed.
- the point of throughput of the shaft 11 through the encapsulating housing 1 is surrounded by a sealing surface 14.
- the sealing surface 14 runs closed in itself and has in the present case a substantially rectangular contour, wherein the corners of the rectangular contour are executed rounded.
- the sealing surface 14 is arranged, for example, on a survey on an outer surface of the encapsulating housing 1. In the present case, this survey is wedge-shaped sloping formed, the shaft 11 is completely enclosed by the sealing surface 14.
- the survey has different heights in radial directions.
- bearing points 15a, 15b, 15c, 15d are arranged within the area surrounded by the sealing surface 14 bearing points 15a, 15b, 15c, 15d.
- the bearing points 15a, 15b, 15c, 15d are configured, for example, as sprues on the encapsulating housing 1, in which blind hole-like recesses are provided, which are provided with threads, so that by means of threaded bolts at these bearing points 15a, 15b, 15c, 15d, for example, an adapter plate can be fixed ,
- a turning axis 16 Radially aligned with the axis of the shaft 11 a turning axis 16 is arranged.
- the turning axis 16 serves as a mirror axis which passes at right angles through the axis of the shaft 11. Mirror symmetrical to the turning axis 16, a first attachment point 17a and a second attachment point 17b is arranged.
- a receiving shaft By the circumferential sealing surface 14 a receiving shaft is delimited, in which a drive device can be used.
- the Figures 3 and 4 Now show two installation variants of a drive device in the drive shaft FIG. 2 , Here is a plan view of the axis 11 in the Figures 3 and 4 shown, wherein the axis of the shaft 11 protrudes perpendicularly from the respective plane of the drawing.
- a first adapter plate 18a is placed on the bearing points 15a, 15b, 15c, 15d.
- a gear 19 is attached to the first adapter plate 18a.
- the transmission 19 is movable via an electric motor drive 20.
- the electromotive drive 20 acts via a multiplicity of gearwheels, which transmit a rotational movement of the electromotive drive 20 to a shaft which is connected via pins to a laterally movable rack 21.
- the rack 21 is guided in the manner of a carriage on a support which is held in a bracket 22 which is connected at a fixed angle to a chassis of the transmission 19.
- Gears of the transmission 19 and rack 21 are moving parts of the transmission 19.
- the shaft 11 is provided with a toothing, with which a independently of the gear 19 mounted on the encapsulating housing 1 gear 23 is engaged.
- the gear 23 is in engagement with the toothing of the rack 21, so that in a lateral movement of the rack 21 via the gear 23, the lateral movement is converted into a rotational movement of the shaft 11, d.
- the movable rack 21 provides the dispensing movement of the transmission 19, this movement being indirectly coupled via the gear 23 into the shaft 11.
- a corresponding structural design can be dispensed with a use of a gear 23 and a direct coupling of the rack 21 to the shaft 11 done.
- shift position indicating means 24a, 24b are arranged on both sides of the turning axis 16 shift position indicating means 24a, 24b are arranged.
- the switching position display devices 24a, 24b indicate the switching positions of the movable active conductors 8, 9 outside the encapsulating housing 1. In this case, one of the switch position display devices 24a is assigned to the first active conductor 8 and the other switch position indicator 24b to the second active conductor 9.
- the shift position indicators 24a, 24b operate mechanically, with movements from the transmission 19 being decoupled and transmitted to movable indicators of the shift position indicators 24a, 24b. Furthermore, the switch position display devices 24a, 24b can be provided with imaging contacts, so that an electrical evaluation of information of the switch position indicator devices 24a, 24b is also possible.
- FIG. 4 now shows a rotated by 180 ° about the turning axis 16 gear 19, wherein for positioning of the transmission 19, a second adapter plate 18b is used, which communicates with the bearing points 15a, 15b, 15c, 15d in connection and to which the transmission 19 is coupled , Due to the position of the turning axis 16 radially to the axis of the shaft 11 is in the FIG. 4 now the part of the transmission 19 can be seen, which in the FIG. 3 turned away from the viewer. Conversely, in the FIG. 3 the part of the transmission to see which in the FIG. 4 turned away from the viewer.
- the position of the transmission 19 with respect to the turning axis 16 can be repeatedly reversed.
- the sense of direction of the output to the shaft 11 movement is reversed, the structural design of the transmission is maintained.
- a double interpretation of different gearbox to reverse the direction of rotation is avoided.
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- Transmission Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- General Details Of Gearings (AREA)
Description
Die Erfindung betrifft eine Schaltgeräteanordnung mit einem innerhalb eines Kapselungsgehäuses angeordneten bewegbaren Aktivleiter und einer außerhalb des Kapselungsgehäuses angeordneten Antriebseinrichtung mit einem Getriebe als Teil einer Kinematischen Kette zur Bewegung des Aktivleiters, wobei die kinematischen Kette das Kapselungsgehäuse durchsetzt.The invention relates to a switching device arrangement with a movable active conductor arranged inside an encapsulating housing and a drive device arranged outside the encapsulating housing with a gear as part of a kinematic chain for moving the active conductor, wherein the kinematic chain passes through the encapsulating housing.
Eine derartige Schaltgeräteanordnung ist beispielsweise aus dem Gebrauchsmuster
Unabhängig von der Lage der Antriebseinrichtung ist deren Wirkungsweise und damit deren abgegebene Bewegungsrichtung gleichbleibend.Regardless of the position of the drive device whose mode of action and thus the output direction of movement is constant.
In unterschiedlichen Lagen kann es jedoch auch vorgesehen sein, dass von einer Antriebseinrichtung zu erzeugende Bewegungen in unterschiedlichen Richtungen wirken sollen. Für derartige Anwendungen ist es bisher erforderlich, Antriebseinrichtungen in zwei Versionen auszuführen.In different positions, however, it may also be provided that movements to be generated by a drive device should act in different directions. For such applications, it has hitherto been necessary to design drive devices in two versions.
Das Vorhalten von zwei Versionen von Antriebseinrichtungen bringt eine aufwändige Lagerhaltung mit sich.The provision of two versions of drive devices brings a complex storage with it.
Weiterhin ist aus der Patentanmeldung
Aus der deutschen Offenlegungsschrift
Daher ist es Aufgabe der Erfindung, eine Schaltgeräteanordnung mit einer Antriebseinrichtung anzugeben, welche in einfacher Weise Antriebskräfte in unterschiedlichen Bewegungsrichtungen abgeben kann.It is therefore an object of the invention to provide a switching device arrangement with a drive device which can deliver driving forces in different directions of movement in a simple manner.
Erfindungsgemäß wird die Aufgabe bei einer Schaltgeräteanordnung der eingangs genannten Art dadurch gelöst, dass das Getriebe zur Richtungsumkehr einer abgebbaren Bewegung wechselweise um eine Wendeachse gewendet und infolge des Wendens die von dem Getriebe abgebare Bewegung mit geändertem Richtungssinn in die kinematische Kette eingekoppelt ist.According to the invention the object is achieved in a switching device arrangement of the type mentioned in that the gear for direction reversal of a releasable movement alternately turned around a turning axis and as a result of the turning off the transmission of the transmission with changed sense of direction is coupled into the kinematic chain.
Ein Kapselungsgehäuse ist beispielsweise ein fluiddichtes Kapselungsgehäuse wie es in Hochspannungsschaltanlagen eingesetzt ist. Fluiddichte Kapselungsgehäuse sind beispielsweise in Form von Gussgehäusen oder Schweißgehäusen ausgeführt, wobei das Innere der Kapselungsgehäuse mit einem Fluid, beispielsweise einem Isoliergas oder einer Isolierflüssigkeit, befüllt ist. Von dem Fluid umspült sind innerhalb eines Kapselungsgehäuses vorzugsweise Aktivleiter bzw. Aktivleiterzüge angeordnet, welche der Leitung eines elektrischen Stromes dienen und dazu mit elektrischen Potentialen beaufschlagt sind, welche beispielsweise verschieden vom Potential des Kapselungsgehäuses sind. Bewegbare Aktivleiter sind bedarfsweise zur Herstellung einer Trennstrecke, einer Erdverbindung oder ähnlichem eingesetzt. Die bewegbaren Aktivleiter können neben der Ausbildung einer Trennstelle in einem Aktivleiterzug auch einer Herstellung einer Verbindung eines Aktivleiterzuges mit Erdpotential dienen. Besonders vorteilhaft hat sich erwiesen, eine Kombination von mehreren bewegbaren Aktivleitern einzusetzen, die von einer gemeinsamen Antriebseinrichtung bewegbar sind, wobei ein erster Aktivleiter der Herstellung einer Trennstelle innerhalb eines Aktivleiterzuges und ein zweiter Aktivleiter einer Verbindung eines Aktivleiterzuges mit Erdpotential dient. Vorteilhafterweise können der erste und der zweite Aktivleiter von ein und derselben Antriebseinrichtung angetrieben sein.An encapsulating housing is, for example, a fluid-tight encapsulating housing as used in high-voltage switchgear. Fluid-tight encapsulating housings are designed, for example, in the form of cast housings or welded housings, the interior of the encapsulating housings being filled with a fluid, for example an insulating gas or an insulating fluid. Arranged by the fluid within an encapsulating housing, active conductors or active conductor trains are preferably arranged, which serve to conduct an electric current and are acted upon by electrical potentials, which are different from the potential of the encapsulation housing, for example. Movable active conductors are used as needed for the production of a separation line, a ground connection or the like. The movable active conductors can be used in addition to the formation of a separation point in an active conductor train and a preparation of a compound of Aktivleiterzuges with ground potential. It has proved particularly advantageous to use a combination of a plurality of movable active conductors, which are movable by a common drive device, wherein a first active conductor the production of a separation point within a Aktivleiterzuges and a second active conductor of a compound of Aktivleiterzuges serves at ground potential. Advantageously, the first and the second active conductor can be driven by one and the same drive device.
Eine Antriebseinrichtung ist vorteilhaft außerhalb des Kapselungsgehäuses angeordnet und weist ein Getriebe auf. Das Getriebe ist Teil einer kinematischen Kette, welche einer Übertragung einer Bewegung von einer Quelle, beispielsweise einem elektromotorischen Antrieb, einem Handantrieb oder ähnlichem zu einem bewegbaren Aktivleiter dient. Die kinematische Kette durchsetzt dazu das Kapselungsgehäuse. Bei einer fluiddichten Ausgestaltung des Kapselungsgehäuses sollte die kinematische Kette eine fluiddichte Übertragung einer Bewegung durch das Kapselungsgehäuse hindurch ermöglichen.A drive device is advantageously arranged outside of the encapsulating housing and has a transmission. The transmission is part of a kinematic chain, which is used to transmit a movement from a source, such as an electric motor drive, a manual drive or the like to a movable active conductor. The kinematic chain penetrates the encapsulating housing. In a fluid-tight configuration of the encapsulating housing, the kinematic chain should enable a fluid-tight transmission of a movement through the encapsulating housing.
Bei einer Betätigung zweier bewegbarer Aktivleiter durch dieselbe Antriebseinrichtung ist eine Neutralstellung vorteilhaft, in welcher die beiden bewegbaren Aktivleiter elektrisch isoliert vom Kapselungsgehäuse sind sowie eine Trennstelle in einem Aktivleiterzug ausgebildet ist. Aus dieser Neutralstellung ist es mittels der Antriebseinrichtung möglich, den ersten Aktivleiter in eine Einschaltstellung zu bewegen und so die Trennstelle im Aktivleiterzug zu überbrücken. Dazu erzeugt die Antriebseinrichtung eine Bewegung in eine erste Richtung. Zur Rückstellung des ersten Aktivleiters in die Neutralstellung erfolgt eine Richtungsumkehr der Bewegung in eine zweite Richtung bis die Neutralstellung erreicht ist. Zum Antreiben des zweiten bewegbaren Aktivleiters erfolgt eine Abgabe einer Bewegung von der Antriebseinrichtung in die zweite Richtung und zur Rückbewegung des zweiten bewegbaren Aktivleiters und zur Verbringung desselben in die Neutralstellung erfolgt eine Bewegung in die erste Richtung.Upon actuation of two movable active conductors by the same drive means, a neutral position is advantageous in which the two movable active conductors are electrically isolated from the encapsulating housing and a separation point is formed in an active conductor. From this neutral position, it is possible by means of the drive means to move the first active conductor in a closed position and so to bridge the separation point in Aktivleiterzug. For this purpose, the drive device generates a movement in a first direction. To return the first active conductor in the neutral position, a reversal of the direction of movement in a second direction until the neutral position is reached. To drive the second movable active conductor, a release of a movement from the drive device in the second direction and to the return movement of the second movable active conductor and to the same in the neutral position takes place a movement in the first direction.
Der Richtungssinn von erster Bewegung und zweiter Bewegung ist entgegengesetzt zueinander gerichtet. Abhängig von den konstruktiven Gegebenheiten der Aktivleiter im Innern des Kapselungsgehäuses sind die erste Richtung und die zweite Richtung jeweils zu definieren.The sense of direction of first movement and second movement is directed opposite to each other. Depending on the structural conditions of the active conductor in the interior of the encapsulating housing, the first direction and the second direction are to be defined in each case.
Erfolgt im Innern nunmehr eine Änderung der Anordnung der Aktivleiter, ist ggf. eine Umkehr des Richtungssinns von erster und zweiter Richtung zum Bewegen von erstem und zweitem Aktivelement nötig.If there is now a change in the arrangement of the active conductors inside, a reversal of the sense of direction of the first and second direction for moving the first and second active element may be necessary.
Um Änderungen an dem Kapselungsgehäuse zu vermeiden, ist dazu eine entsprechende Anpassung der Antriebseinrichtung vorteilhaft. Eine Richtungsumkehr wird dadurch erreicht, dass das Getriebe um eine Wendeachse gewendet ist.In order to avoid changes to the encapsulating, a corresponding adjustment of the drive device is advantageous. A reversal of direction is achieved by turning the gearbox around a turning axis.
Durch eine Drehung um die Wendeachse erfolgt eine Änderung des Richtungssinns, der von dem Getriebe abgegebenen Bewegungen. Dadurch ist es möglich, die Antriebseinrichtung an sich in ihrer Konstruktion beizubehalten und die Antriebseinrichtung lediglich hinsichtlich der Lage des Getriebes, welches der Übertragung einer Bewegung auf einen bewegbaren Aktivleiter im Innern des Kapselungsgehäuses dient, zu modifizieren. Das Getriebe ist dazu nach Art einer Kassette konstruiert, welche die einzelnen Getriebeelemente zueinander fixiert und ein problemloses Wenden des Getriebes ermöglicht. Damit ist es möglich, das Getriebe in den beiden Wendelagen in die kinematische Kette einzukoppeln und so eine Richtungsumkehr an ein und demselben Kapselungsgehäuse zu ermöglichen. Dabei sind die Bewegungsbahnen des Getriebes unabhängig von dessen Lage gleichbleibend. In Bezug auf die erste Richtung und die zweite Richtung wird deren Richtungssinn ausgetauscht. Die Antriebseinrichtung weist einen elektromotorischen Antrieb auf, welcher winkelstarr mit dem Getriebe verbunden ist. Unabhängig von der Lage des Getriebes bleibt dessen elektrische Ansteuerung gleich, da ein Wechsel des Richtungssinns durch ein Wenden des Getriebes erreicht wird. Der elektromotorische Antrieb wird gemeinsam mit dem Getriebe gewendet.By a rotation about the turning axis, there is a change in the sense of direction, the movements emitted by the transmission. This makes it possible to maintain the drive device itself in its construction and to modify the drive means only in terms of the position of the transmission, which serves to transmit a movement to a movable active conductor inside the encapsulating. The gearbox is constructed in the manner of a cassette, which fixes the individual gear elements to each other and allows easy turning of the gearbox. This makes it possible to couple the transmission in the two spiral layers in the kinematic chain and thus to allow a reversal of direction to one and the same encapsulating. The trajectories of the transmission are independent of its location constant. With respect to the first direction and the second direction, their sense of direction is exchanged. The drive device has an electric motor drive on which is rigidly connected to the transmission. Regardless of the position of the transmission whose electrical control remains the same, since a change of direction is achieved by turning the gearbox. The electromotive drive is turned together with the gearbox.
Eine vorteilhafte Ausgestaltung kann dabei vorsehen, dass die kinematische Kette eine das Kapselungsgehäuse durchsetzende Welle aufweist und die Wendeachse radial zur Welle ausgerichtet ist.An advantageous embodiment may provide that the kinematic chain has a shaft passing through the encapsulating housing and the turning axis is aligned radially to the shaft.
Eine Welle dient einer Übertragung einer Drehbewegung. Drehbewegungen sind mit entsprechenden Dichtungsringen in einfacher Weise abgedichtete durch das Kapselungsgehäuse zu übertragen. Aufgrund eines Rotierens ist ein günstiges Abdichten im Umfangsbereich der Welle ermöglicht. Weiterhin ist bei einer Ausrichtung der Wendeachse radial zur Achse der Welle die Möglichkeit gegeben, eine lotrechte Ausrichtung von Getriebe und Welle in den verschiedenen Einbaulagen des Getriebes beizubehalten.A shaft serves to transmit a rotational movement. Rotary movements are sealed with appropriate sealing rings in a simple manner to transmit through the encapsulating. Due to a rotation a favorable sealing in the peripheral region of the shaft is made possible. Furthermore, given an orientation of the turning axis radially to the axis of the shaft, it is possible to maintain a vertical orientation of the gear and shaft in the various installation positions of the transmission.
Weiterhin kann dabei vorgesehen sein, dass das Kapselungsgehäuse einen Aufnahmeschacht aufweist, in welchen das Getriebe wechselweise um 180° um die Wendeachse gedreht eingesetzt ist.Furthermore, it can be provided that the encapsulating housing has a receiving shaft in which the transmission is used alternately rotated by 180 ° about the turning axis.
Durch den Aufnahmeschacht am Kapselungsgehäuse ist es möglich, das Getriebe relativ zum Kapselungsgehäuse zu fixieren. Aufgrund der Lage der Welle, welche das Kapselungsgehäuse durchsetzt, ist der Aufnahmeschacht geeignet, die lotrechte Ausrichtung von Welle und Getriebe zueinander aufrecht zu erhalten. Eine 180°-Drehbewegung des Getriebes um die Wendeachse ermöglicht weiterhin bei einer kassettenartigen Ausgestaltung des Getriebes dieses innerhalb des Aufnahmeschachtes zu positionieren und dabei zur winkelstarren Fixierung des Getriebes innerhalb des Aufnahmeschachtes in verschiedenen Montagelagen ein und dieselben Aufnahmepunkte zu nutzen. Somit ist es möglich, die radiale Ausrichtung von Welle und Wendeachse aufrecht zu erhalten. Die Welle sollte vorteilhaft das Kapselungsgehäuse innerhalb des Aufnahmeschachtes durchsetzen. Bei einer Nutzung von ineinandergreifenden Zahnrädern an dem Getriebe sollte zumindest eine Zahnradachse, vorzugsweise eine Mehrzahl von Zahnradachsen, insbesondere alle Zahnradachsen, parallel zur Wendeachse liegen. Bewegungsachsen von Bewegtteilen des Getriebes sollten in einer Projektion vorzugsweise lotrecht bzw. parallel zur Wendeachse liegen.Through the receiving shaft on the encapsulating, it is possible to fix the transmission relative to the encapsulating. Due to the position of the shaft, which passes through the encapsulating, the receiving shaft is adapted to maintain the vertical alignment of shaft and gearbox to each other. A 180 ° rotation of the transmission about the turning axis further allows for a cassette-like design of the transmission this within the receiving shaft position and thereby use the same recording points for the rigid fixing of the gearbox within the receiving shaft in different mounting positions. Thus, it is possible to maintain the radial alignment of shaft and turning axis. The shaft should advantageously pass through the encapsulating housing within the receiving shaft. When using intermeshing gears on the gear should at least one gear axis, preferably a plurality of gear axes, in particular all gear axes, parallel to the turning axis. Movement axes of moving parts of the transmission should preferably lie in a projection perpendicular or parallel to the turning axis.
Das Getriebe sollte vorteilhafterweise Zahnräder mit stirnseitig verzahnten Zahnrädern aufweisen, wobei die Drehachsen der Zahnräder vorzugsweise parallel zur Wendeachse ausgerichtet sind. Eine Drehbewegung eines der Zahnräder wird über eine Schubkurbel in eine laterale Bewegung umgeformt und diese laterale Bewegung auf eine bewegbare Zahnstange übertragen. Die laterale Bewegung sollte in einer Projektion lotrecht zur Wendeachse verlaufen. Durch eine derartige Anordnung ist es beispielsweise möglich, eine elektromotorisch erzeugte Drehbewegung in das Getriebe einzukoppeln und eine laterale Bewegung abzugeben. An weiteren Wellen des Getriebes besteht zusätzlich die Möglichkeit, weitere Antriebskräfte einzuspeisen bzw. Bewegungen auszukoppeln. So kann beispielsweise vorgesehen sein, dass mittels eines manuell bedienbaren Antriebselementes, beispielsweise einer Kurbel, eine Bewegung in das Getriebe eingespeist werden kann.The transmission should advantageously have gears with frontally toothed gears, wherein the axes of rotation of the gears are preferably aligned parallel to the turning axis. A rotational movement of one of the gears is converted via a crank into a lateral movement and transfer this lateral movement to a movable rack. The lateral movement should be in a projection perpendicular to the turning axis. Such an arrangement makes it possible, for example, to couple an electromotively generated rotational movement into the transmission and to deliver a lateral movement. On additional shafts of the gearbox, there is the additional possibility of feeding in additional drive forces or of coupling out movements. Thus, for example, be provided that by means of a manually operable drive element, such as a crank, a movement in the transmission can be fed.
Weiterhin kann vorteilhaft vorgesehen sein, dass der Aufnahmeschacht von einer umlaufenden, die Antriebseinrichtung umschließenden Dichtfläche begrenzt ist.Furthermore, it can be advantageously provided that the receiving shaft is delimited by a circumferential, the drive device enclosing sealing surface.
Eine Begrenzung des Aufnahmeschachtes mittels einer in sich umlaufenden Dichtfläche gestattet es, den Aufnahmeschacht zu verschließen, wobei eine dichtende Wirkung an der Dichtfläche erzeugbar ist. Somit kann die Antriebseinrichtung selbst frei von Gehäusen oder Schutzeinrichtungen konstruiert werden. Damit kann das Volumen insbesondere des Getriebes gering gehalten werden und dieses durch eine Haube, welche dichtend auf der Dichtfläche aufliegt, überspannt werden. Damit ist es möglich, die Antriebseinrichtung im Innern des Aufnahmeschachtes vor dem Einwirken von Fremdkörpern zu schützen.A boundary of the receiving shaft by means of a circumferential sealing surface makes it possible to close the receiving shaft, wherein a sealing effect on the sealing surface can be generated. Thus, the drive device itself can be constructed free of housings or guards. Thus, the volume, in particular of the transmission can be kept low and this is covered by a hood, which rests sealingly on the sealing surface. This makes it possible to protect the drive device in the interior of the receiving shaft from the action of foreign bodies.
Vorteilhafterweise kann weiterhin vorgesehen sein, dass der Aufnahmeschacht Lagerpunkte aufweist und das Getriebe mittels zumindest einer Adapterplatte an den Lagerpunkten festgelegt ist.Advantageously, it may further be provided that the receiving shaft bearing points and the transmission is fixed by means of at least one adapter plate at the bearing points.
Eine Anordnung von Lagerpunkten innerhalb des Aufnahmeschachtes ermöglicht es, die Antriebseinrichtung innerhalb des Aufnahmeschachtes relativ zu der umlaufenden Dichtfläche bzw. zur Welle zu positionieren. Damit ist eine Möglichkeit gegeben, eine einfache Montage der Antriebseinrichtung vorzusehen, um das Getriebe in einfacher Weise in die kinematische Kette einkoppeln zu können.An arrangement of bearing points within the receiving shaft makes it possible to position the drive device within the receiving shaft relative to the peripheral sealing surface or to the shaft. This provides a possibility to provide a simple assembly of the drive device in order to couple the transmission in a simple manner in the kinematic chain can.
Die Lagerpunkte sollten dabei vorteilhafterweise sowohl für die eine als auch für die andere Lage des Getriebes verwendet werden. Dadurch kann sichergestellt werden, dass Montagefehler ausgeschlossen sind und die jeweils erwünschte Definition des Richtungssinns bezüglich erster und zweiter Richtung eingehalten ist.The bearing points should be used advantageously both for one and for the other position of the transmission. This can ensure that assembly errors are excluded and the respectively desired definition of the sense of direction with respect to the first and second directions is met.
Um unabhängig von der Lage des Getriebes im Innern des Aufnahmeschachtes eine gute Zugänglichkeit zu gewährleisten, kann vorgesehen sein, dass das Getriebe über zumindest eine Adapterplatte mit den Lagerpunkten verbunden ist.In order to ensure good accessibility, regardless of the position of the gearbox inside the receiving shaft, can be provided that the transmission is connected via at least one adapter plate with the bearing points.
Weiterhin kann vorteilhaft vorgesehen sein, dass die Welle eine Verzahnung aufweist, über welche eine Bewegung des Getriebes eingekoppelt wird.Furthermore, it can be advantageously provided that the shaft has a toothing, via which a movement of the transmission is coupled.
Eine Verzahnung an der Welle ermöglicht es, hohe Stellkräfte in die Welle einzukoppeln und dabei aufgrund der Verzahnung eine eindeutige Positionierung der einzelnen Bewegtteile des Getriebes zu der Welle festzulegen. Diese eindeutig zugeordnete Lage bleibt auch nach einer Vielzahl von Bewegungsspielen erhalten.A toothing on the shaft makes it possible to couple high actuating forces in the shaft and thereby set a clear positioning of the individual moving parts of the transmission to the shaft due to the teeth. This uniquely assigned position remains even after a variety of movement games.
Vorteilhafterweise kann vorgesehen sein, dass die Verzahnung eine Verzahnung eines Stirnrades ist.Advantageously, it can be provided that the toothing is a toothing of a spur gear.
Die Verzahnung eines Stirnrades ist an der Welle in einfacher Weise anzuformen. Eine Ankopplung des Getriebes an eine stirnseitige Verzahnung kann aus verschiedenen radialen Richtungen erfolgen. Damit ist eine geeignete Ausgestaltungsform gegeben, um einen flach bauenden Antrieb einsetzen zu können, welcher auch in beengten Verhältnissen angeordnet werden kann. Weiterhin ist eine stirnseitige Verzahnung besonders geeignet, um eine Wendeachse des Getriebes in radialer Richtung zur Welle auszurichten und eine radiale Einkopplung des Getriebes zu ermöglichen.The toothing of a spur gear is to be formed on the shaft in a simple manner. A coupling of the transmission to a frontal toothing can be done from different radial directions. Thus, a suitable embodiment is given in order to use a flat-built drive, which can be arranged even in cramped conditions. Furthermore, a frontal toothing is particularly suitable to align a turning axis of the transmission in the radial direction to the shaft and to allow a radial coupling of the transmission.
Vorteilhafterweise kann vorgesehen sein, dass das Getriebe eine lateral bewegbare Zahnstange aufweist, welche mittel oder unmittelbar mit der Verzahnung der Welle in Eingriff steht.Advantageously, it can be provided that the transmission has a laterally movable rack, which is medium or directly engaged with the teeth of the shaft.
Eine lateral bewegbare Zahnstange kann das Abtriebselement des Getriebes darstellen. Eine laterale Bewegung einer Zahnstange kann auch in schlitzartigen Ausnehmungen einer Schaltgeräteanordnung erfolgen und dabei große Stellkräfte übertragen.A laterally movable rack can represent the output element of the transmission. A lateral movement of a rack can also take place in slot-like recesses of a switching device arrangement and thereby transmit large actuating forces.
Die bewegbare Zahnstange kann mit der Verzahnung der Welle mittelbar oder unmittelbar in Eingriff stehen.The movable rack may be directly or indirectly engaged with the teeth of the shaft.
Dabei kann vorteilhaft vorgesehen sein, dass die Zahnstange über ein unabhängig vom Getriebe gelagertes Zahnrad mit der Welle in Eingriff steht.It can be advantageously provided that the rack is engaged via a gear stored independently of the gear with the shaft.
Der Einsatz eines unabhängig vom Getriebe gelagerten Zahnrades zur Übertragung der Bewegung der Zahnstange auf die Welle gestattet es, eine zusätzliche Untersetzung der Bewegung der Zahnstange vornehmen zu können. Weiterhin kann durch einen seitlichen Versatz des Zahnrades bezüglich der Wendeachse die Tiefe der Antriebseinrichtung reduziert werden. So kann zum einen die lateral bewegbare Zahnstange näher in Richtung der Welle bewegt werden, zum anderen kann über das unabhängig vom Getriebe gelagerte Zahnrad eine entsprechende Untersetzung der Bewegung bzw. der aufzubringenden Kräfte erfolgen. Durch die unabhängige Lagerung des Zahnrades ist es möglich, die von dem Getriebe übertragbaren Stellkräfte an verschiedene Schaltgeräteanordnungen einzukoppeln und eine Anpassung der von dem Getriebe abgegebenen Bewegungen an die an der Welle benötigten Bewegungen anzupassen.The use of a gear mounted independently of the gear for transmitting the movement of the rack on the shaft makes it possible to make an additional reduction of the movement of the rack can. Furthermore, the depth of the drive device can be reduced by a lateral offset of the gear relative to the turning axis. Thus, on the one hand, the laterally movable rack can be moved closer in the direction of the shaft, on the other hand, a corresponding reduction of the movement or of the forces to be applied can take place via the gear mounted independently of the gear. Due to the independent mounting of the gear wheel, it is possible to couple the transferable from the transmission actuating forces to various switching device assemblies and adapt an adjustment of the votes of the transmission movements to the movements required on the shaft.
Weiterhin kann vorteilhaft vorgesehen sein, dass das Zahnrad mit Wechsel der Lage des Getriebes zur Wendeachse gespiegelt an dem Kapselungsgehäuse angeschlagen ist.Furthermore, it can be advantageously provided that the gear is mirrored with change of the position of the transmission to the turning axis mirrored on the encapsulating.
In der Neutrallage des Getriebes sollte die lateral bewegbare Zahnstange möglichst zentrisch zu der Wendeachse ausgerichtet sein. Somit ist es möglich, bei einer Wendung des Getriebes die lateral bewegbare Zahnstange sowohl in die erste als auch in die zweite Richtung annähernd gleiche Hübe ausführen zu lassen. Bei einer asymmetrischen Anordnung der Zahnstange zu der Wendeachse kann nunmehr über den Wechsel der Position des Zahnrades ein Ausgleichen der Asymmetrie der Lage der bewegbaren Zahnstange erfolgen. Dabei ist die Kontaktierung des Zahnrades mit der Zahnstange möglichst zentrisch, d. h. mittig, an der Zahnstange vorzusehen, so dass eine gleichartige Abgabe einer Bewegung sowohl in die erste als auch in die zweite Richtung erfolgen kann. Bei einer Drehung des Getriebes um die Wendeachse wird mit der gespiegelten Anordnung des Zahnrades die asymmetrische Lage der bewegbaren Zahnstange bezogen auf die Wendeachse ausgeglichen und eine annähernd mittige Kontaktierung von Zahnrad und Zahnstange an der Zahnstange ermöglicht.In the neutral position of the transmission, the laterally movable rack should be aligned as centrally as possible to the turning axis. Thus, it is possible for a turn of the transmission, the laterally movable rack to perform approximately the same strokes in both the first and in the second direction. In an asymmetrical arrangement of the rack to the turning axis can now be done on the change of the position of the gear balancing the asymmetry of the position of the movable rack. The contacting of the gear with the rack is as centric as possible, d. H. centrally, provided on the rack, so that a similar delivery of a movement can take place in both the first and in the second direction. Upon rotation of the transmission about the turning axis is offset with the mirrored arrangement of the gear, the asymmetrical position of the movable rack relative to the turning axis and allows an approximately central contacting of gear and rack on the rack.
Vorteilhafterweise kann vorgesehen sein, dass beiderseits der Wendeachse zu der Wendeachse beabstandet jeweils eine Schaltstellungsanzeigeeinrichtung angeordnet ist.Advantageously, it can be provided that on both sides of the turning axis to the turning axis spaced in each case a switching position indicator is arranged.
Schaltstellungsanzeigeeinrichtungen können vorteilhafterweise beiderseits der Wendeachse angeordnet sein, so dass unabhängig von der Anordnung des Getriebes ein Ansteuern der Schaltstellungseinrichtungen in gleicher Art und Weise erfolgen kann. Aus dem Getriebe werden zur Ansteuerung der Schaltstellungsanzeigeeinrichtungen Bewegungen ausgekoppelt, welche in die Schaltstellungsanzeige übertragen werden. So kann unmittelbar in mechanischer Art und Weise jeweils eine Schaltstellung angezeigt werden. Die Schaltstellungsanzeigeeinrichtungen können darüber hinaus mit Abbildungskontakten versehen sein, so dass auch eine elektrische Signalisierung der Schaltstellung ermöglicht ist.Switching position display devices can advantageously be arranged on both sides of the turning axis, so that regardless of the arrangement of the transmission, the switching position devices can be controlled in the same manner. From the transmission movements are coupled to control the switching position display devices, which are transmitted to the switch position display. Thus, a switching position can be displayed directly in a mechanical manner. The switch position indicators may also provide imaging contacts be, so that an electrical signaling of the switching position is possible.
Im Folgenden wird ein Ausführungsbeispiel der Erfindung schematisch in Figuren gezeigt und nachfolgend näher beschrieben.In the following, an embodiment of the invention is shown schematically in figures and described in more detail below.
Dabei zeigt die
Figur 1- einen Schnitt durch eine Schaltgeräteanordnung mit bewegbaren Aktivleitern; die
Figur 2- zeigt eine perspektivische Ansicht der aus der Figur 1 bekannten Schaltgeräteanordnung; die
Figur 3- zeigt eine Draufsicht auf einen Aufnahmeschacht eines aus
den Figuren 1 und2 bekannten Kapselungsgehäuses mit einem Getriebe in einer ersten Einbaulage und die Figur 4- zeigt eine Draufsicht auf den Aufnahmeschacht mit dem Getriebe in einer zweiten Einbaulage.
- FIG. 1
- a section through a switching device arrangement with movable active conductors; the
- FIG. 2
- shows a perspective view of the known from Figure 1 switching device arrangement; the
- FIG. 3
- shows a plan view of a receiving slot one of the
FIGS. 1 and2 known encapsulating with a gearbox in a first mounting position and the - FIG. 4
- shows a plan view of the receiving shaft with the transmission in a second mounting position.
Die
Das Kapselungsgehäuse 1 ist von einem ersten Aktivleiterzug 6 sowie einem zweiten Aktivleiterzug 7 durchsetzt. Der erste Aktivleiterzug 6 erstreckt sich in Richtung der Koaxialachse des ersten und zweiten Flansches 2, 3. Der zweite Aktivleiterzug 7 erstreckt sich in Richtung der Koaxialachse des dritten und vierten Flansches 4, 5. Der erste und der zweite Aktivleiterzug 6, 7 sind elektrisch leitend miteinander kontaktiert, so dass sämtliche die jeweiligen Flansche 2, 3, 4, 5 durchsetzenden Leiterzüge 6, 7 dasselbe elektrische Potential aufweisen können. Die Aktivleiterzüge 6, 7 sind elektrisch isoliert bezüglich des Kapselungsgehäuses 1 gelagert (beispielsweise über die Flansche 2, 3, 4, 5 verschließende Scheibenisolatoren). Im ersten Aktivleiterzug 6 ist ein erster bewegbarer Aktivleiter 8 angeordnet. Der erste Aktivleiter 8 ist Teil des ersten Aktivleiterzuges 6 und ermöglicht die Ausbildung einer Trennstelle im Verlauf des ersten Aktivleiterzuges 6. Über die durch den ersten bewegbaren Aktivleiter 8 herstellbare Trennstrecke ist der erste Aktivleiterzug in einem ersten Abschnitt 6a sowie einem zweiten Abschnitt 6b aufteilbar. Dazu ist der erste Aktivleiter 8 relativ zu dem zweiten Aktivleiterzug 7 sowie zum ersten und zweiten Abschnitt 6a, 6b bewegbar. Weiterhin ist ein zweiter bewegbarer Aktivleiter 9 vorgesehen. Der zweite bewegbare Aktivleiter 9 ist galvanisch mit dem ersten Aktivleiterzug 6 verbunden und relativ zu dem ersten Aktivleiterzug 6 bewegbar.The encapsulating
Neben den in der
Der zweite Aktivleiterzug 7 ist dauerhaft mit dem zweiten Abschnitt 6b des ersten Aktivleiterzuges 6 galvanisch und damit elektrisch leitend verbunden. An dem ersten Abschnitt 6a des ersten Aktivleiterzuges 6 ist ein dielektrisch schirmendes Umlenkgehäuse 10 angeordnet. Das Umlenkgehäuse 10 ist beispielsweise aus elektrisch leitendem Material gefertigt und galvanisch mit den ersten Aktivleiterzug 6 in Verbindung stehend ausgeführt. Im Innern des Umlenkgehäuses ist ein Aufnahmeraum vorgesehen, um den ersten und den zweiten Aktivleiter 8, 9 zumindest teilweise aufnehmen zu können. Eine Bewegung der beiden Aktivleiter 8, 9 kann dabei derart vorgesehen sein, dass eine Bewegung des zweiten Aktivleiters 9 aus dem Umlenkgehäuse 10 heraus nur möglich ist, wenn der erste Aktivleiter 8 in das Umlenkgehäuse 10 zurückgezogen ist bzw. das umgekehrt eine Bewegung des ersten Aktivleiters 8 aus dem Umlenkgehäuse 10 heraus nur möglich ist, wenn der zweite Aktivleiter 9 in das Umlenkgehäuse 10 zurückgezogen ist. Zur Einkopplung einer Bewegung ist am Umlenkgehäuse 10 eine elektrisch isolierende Welle 11 gelagert. Die Welle 11 ist drehbar gelagert und dient einer Einkoppelung einer Drehbewegung im Innern des Umlenkgehäuses 10 auf die bewegbaren Aktivleiter 8, 9. Innerhalb des Aufnahmeraumes des Umlenkgehäuses 10 ist ein Umlenkgetriebe angeordnet.The
Der erste bewegbare Aktivleiter 8 dient der Erzeugung einer Trennstrecke zwischen dem ersten und dem zweiten Abschnitt 6a, 6b des ersten Aktivleiterzuges 6. Der zweite bewegbare Aktivleiter 9 dient einer elektrischen Kontaktierung des ersten Abschnittes 6a des ersten Aktivleiterzuges 6 mit dem Potential des Kapselungsgehäuses 1. Das Kapselungsgehäuse 1 führt im Regelfall Erdpotential.The first movable
Am Kapselungsgehäuse 1 ist ein Gegenkontakt 12 angeformt, in welchen der zweite bewegbare Aktivleiter 9 einfahrbar ist. Zur elektrischen Kontaktierung der beiden Abschnitte 6a, 6b des ersten Aktivleiterzuges 6 ist für den ersten Aktivleiter 8 ein Gegenkontakt 13 in dem zweiten Abschnitt 6b des ersten Aktivleiterzuges 6 angeordnet. Die Gegenkontakte 12, 13 sind jeweils als Buchsen ausgeformt, wohingegen die bewegbaren Aktivleiter 8, 9 bolzenförmig ausgestaltet sind.On
Die Welle 11 ist derartig dimensioniert, dass diese das Kapselungsgehäuse 1 zumindest in einem Punkt durchsetzt. In der
Innerhalb des von der Dichtfläche 14 umgebenen Bereiches sind Lagerpunkte 15a, 15b, 15c, 15d angeordnet. Die Lagerpunkte 15a, 15b, 15c, 15d sind beispielsweise als Angüsse am Kapselungsgehäuse 1 ausgestaltet, in welchen sacklochartige Ausnehmungen eingebracht sind, die mit Gewinden versehen sind, so dass mittels Gewindebolzen an diesen Lagerpunkten 15a, 15b, 15c, 15d beispielsweise eine Adapterplatte festlegbar ist.Within the area surrounded by the sealing
Zu der Achse der Welle 11 radial ausgerichtet ist eine Wendeachse 16 angeordnet. Die Wendeachse 16 dient als Spiegelachse, welche rechtwinklig die Achse der Welle 11 durchläuft. Spiegelsymmetrisch zu der Wendeachse 16 ist ein erster Anschlagpunkt 17a sowie ein zweiter Anschlagpunkt 17b angeordnet. Durch die umlaufende Dichtfläche 14 ist ein Aufnahmeschacht abgegrenzt, in welchen eine Antriebseinrichtung einsetzbar ist. Die
Auf die Lagerpunkte 15a, 15b, 15c, 15d ist eine erste Adapterplatte 18a aufgesetzt. An die erste Adapterplatte 18a ist ein Getriebe 19 angesetzt. Das Getriebe 19 ist über einen elektromotorischen Antrieb 20 bewegbar. Der elektromotorische Antrieb 20 wirkt über eine Vielzahl von Zahnrädern, welche eine Drehbewegung des elektromotorischen Antriebes 20 untersetzen auf eine Welle, welche über Zapfen mit einer lateral bewegbaren Zahnstange 21 in Verbindung steht. Die Zahnstange 21 ist nach Art eines Schlittens auf einem Träger geführt, welcher in einem Bügel 22 gehalten ist, welcher mit einem Chassi des Getriebes 19 winkelstarr verbunden ist. Zahnräder des Getriebes 19 und Zahnstange 21 sind Bewegtteile des Getriebes 19. Die Welle 11 ist mit einer Verzahnung versehen, mit welcher ein unabhängig vom Getriebe 19 an dem Kapselungsgehäuse 1 gelagertes Zahnrad 23 in Eingriff steht. Neben einer Koppelung des Zahnrades 23 mit der Verzahnung der Welle 11 steht das Zahnrad 23 mit der Verzahnung der Zahnstange 21 in Eingriff, so dass bei einer lateralen Bewegung der Zahnstange 21 über das Zahnrad 23 die laterale Bewegung in eine Drehbewegung der Welle 11 umgesetzt wird, d. h. die bewegbare Zahnstange 21 stellt die Abgabebewegung des Getriebes 19 zur Verfügung, wobei diese Bewegung mittelbar über das Zahnrad 23 in die Welle 11 eingekoppelt ist. Bei einer entsprechenden konstruktiven Ausgestaltung kann auch auf eine Verwendung eines Zahnrades 23 verzichtet werden und eine direkte Ankopplung der Zahnstange 21 an die Welle 11 erfolgen.On the bearing
Beiderseits der Wendeachse 16 sind Schaltstellungsanzeigeeinrichtungen 24a, 24b angeordnet. Die Schaltstellungsanzeigeeinrichtungen 24a, 24b zeigen außerhalb des Kapselungsgehäuses 1 die Schaltstellungen der bewegbaren Aktivleiter 8, 9 an. Dabei ist eine der Schaltstellungsanzeigeeinrichtungen 24a dem ersten Aktivleiter 8 und die andere Schaltstellungsanzeigeeinrichtung 24b dem zweiten Aktivleiter 9 zugeordnet.On both sides of the turning
Die Schaltstellungsanzeigeeinrichtungen 24a, 24b arbeiten mechanisch, wobei Bewegungen aus dem Getriebe 19 ausgekoppelt und auf bewegbare Anzeigeelemente der Schaltstellungsanzeigeeinrichtungen 24a, 24b übertragen werden. Weiterhin können die Schaltstellungsanzeigeeinrichtungen 24a, 24b mit Abbildungskontakten versehen sein, so dass auch eine elektrische Auswertung von Informationen der Schaltstellungsanzeigeeinrichtungen 24a, 24b ermöglicht ist.The
Die
Die Lage des Getriebes 19 bezüglich der Wendeachse 16 kann wiederholt umgekehrt werden. Durch eine Wendung des Getriebes 19 um 180° um die Wendeachse 16 wird der Richtungssinn der an die Welle 11 abgegebenen Bewegung umgekehrt, wobei der konstruktive Aufbau des Getriebes erhalten bleibt. Dadurch ist eine Doppelauslegung verschiedener Getriebe zur Drehrichtungsumkehr vermieden.The position of the
Auf die Dichtfläche 14 ist eine mit einer gegengleichen Dichtfläche versehene Abdeckhaube aufsetzbar, so dass innerhalb des Aufnahmeschachtes des Kapselungsgehäuses 1 angeordnete Baugruppen, wie das Getriebe 19, das Zahnrad 23 usw., vor äußerer Einflüssen geschützt sind.On the sealing
Claims (12)
- Switching device arrangement (1) having a movable active conductor (8, 9) which is arranged within an encapsulating housing (1) and a drive device which is arranged outside the encapsulating housing (1) and has a gear mechanism (19) as part of a kinematic chain for moving the active conductor (8, 9), the kinematic chain passing through the encapsulating housing (1),
characterized in that
the gear mechanism (19) is turned alternately about a turning axis (16) so as to reverse the direction of a movement which can be output and as a result of the turning the movement which can be output by the gear mechanism (19) is coupled into the kinematic chain with a change in the sense of direction. - Switching device arrangement according to Claim 1,
characterized in that
the kinematic chain has a shaft (11) which passes through the encapsulating housing (1), and the turning axis (16) is aligned radially with respect to the shaft (11). - Switching device arrangement according to either of Claims 1 and 2,
characterized in that
the encapsulating housing (1) has an accommodating shaft, into which the gear mechanism (19) is inserted in such a way as to be rotated alternately through 180° about the turning axis (16). - Switching device arrangement according to Claim 3,
characterized in that
the accommodating shaft is delimited by a peripheral sealing face (14), which surrounds the drive device. - Switching device arrangement according to one of Claims 1 to 4,
characterized in that
the accommodating shaft has bearing points (15, 15b, 15c, 15d), and the gear mechanism (19) is fixed by means of at least one adaptor plate (18a, 18b) at the bearing points. - Switching device arrangement according to one of Claims 1 to 5,
characterized in that
the shaft (11) has a toothed portion, via which a movement of the gear mechanism (19) is coupled in. - Switching device arrangement according to Claim 6,
characterized in that
the toothed portion is a toothed portion of a spur gear. - Switching device arrangement according to one of Claims 1 to 7,
characterized in that
the gear mechanism (19) has a laterally movable toothed rack (21), which is in indirect or direct engagement with the toothed portion of the shaft (11). - Switching device arrangement according to Claim 8,
characterized in that
the toothed rack (21) is in engagement with the shaft (11) via a toothed gear (23) which is mounted independently of the gear mechanism (19). - Switching device arrangement according to Claim 9,
characterized in that
the toothed gear (23) abuts the encapsulating housing (1) when the position of the gear mechanism (19) changes in mirror-inverted fashion with respect to the turning axis (16). - Switching device arrangement according to one of Claims 3 to 10,
characterized in that
a switching position indicator device (24a, 24b) is arranged on either side of the turning axis (16) spaced apart from the turning axis. - Switching device arrangement according to one of Claims 1 to 11,
characterized in that
a fluid flows around the active conductor (8, 9), which is arranged so as to be movable, within the encapsulating housing (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009024938A DE102009024938A1 (en) | 2009-06-09 | 2009-06-09 | Switchgear arrangement |
PCT/EP2010/056801 WO2010142515A1 (en) | 2009-06-09 | 2010-05-18 | Drive mechanism for electric switching devices having three separate positions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2441081A1 EP2441081A1 (en) | 2012-04-18 |
EP2441081B1 true EP2441081B1 (en) | 2016-12-28 |
Family
ID=42712472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10720602.1A Active EP2441081B1 (en) | 2009-06-09 | 2010-05-18 | Operating mechanism for electrical switching apparatuses with three separate positions |
Country Status (8)
Country | Link |
---|---|
US (1) | US9024220B2 (en) |
EP (1) | EP2441081B1 (en) |
CN (1) | CN102460627B (en) |
BR (1) | BRPI1010846A8 (en) |
DE (1) | DE102009024938A1 (en) |
ES (1) | ES2621014T3 (en) |
RU (1) | RU2556084C2 (en) |
WO (1) | WO2010142515A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2824686A1 (en) * | 2013-07-10 | 2015-01-14 | Siemens Aktiengesellschaft | High-voltage electric switching arrangement in a metal casing |
RU199536U9 (en) * | 2020-02-17 | 2020-10-16 | Закрытое акционерное общество "Завод электротехнического оборудования" (ЗАО "ЗЭТО") | SPRING FAST ACTUATOR |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH528162A (en) * | 1970-09-26 | 1972-09-15 | Licentia Gmbh | Kit for the production of a metal-enclosed, compressed gas-insulated high-voltage switchgear |
US3780625A (en) * | 1971-03-01 | 1973-12-25 | Porter Co H | Operating mechanism for high tension electric switch gear |
US4250476A (en) * | 1979-11-13 | 1981-02-10 | S & C Electric Company | Auxiliary switch for indicating the condition of a circuit-interrupting device |
DE3701216A1 (en) * | 1987-01-17 | 1988-07-28 | Sachsenwerk Ag | UNIVERSAL DRIVE |
US5180051A (en) * | 1991-06-28 | 1993-01-19 | Square D Company | Remote control circuit breaker |
DE29806654U1 (en) | 1998-04-03 | 1998-06-18 | Siemens AG, 80333 München | Double busbar with multi-phase isolating switch and associated drive for connecting a control panel of a multi-phase encapsulated, gas-insulated high-voltage switchgear |
DE19825386C2 (en) * | 1998-05-28 | 2000-05-11 | Siemens Ag | Encapsulation module with a combined isolating-earthing switch for a gas-insulated switchgear |
DE10354594B4 (en) * | 2003-11-21 | 2005-08-25 | Abb Technology Ag | Drive unit of a switching device of a gas-insulated switchgear and modular system for forming a drive unit |
US7982142B2 (en) * | 2004-06-30 | 2011-07-19 | Abb Research Ltd. | Diverter switch, a method for operating such a switch and use of such a switch |
FR2878070B1 (en) * | 2004-11-18 | 2006-12-22 | Areva T & D Ag | MECHANICAL CONTROL DEVICE FOR AN ELECTRICAL EQUIPMENT WITH THREE SWITCH POSITIONS HAVING A SELECTION LEVER COOPERATING WITH A CAME |
US7589289B2 (en) * | 2006-05-11 | 2009-09-15 | Ls Industrial Systems Co., Ltd. | Solid insulated disconnection switch and solid insulated switchgear using the same |
FR2923661B1 (en) | 2007-11-13 | 2010-04-30 | Areva T & D Sa | SWITCHING APPARATUS WITH CIRCUIT BREAKER AND DISCONNECT AND COMPRISING COMMON TRAINING MEANS |
-
2009
- 2009-06-09 DE DE102009024938A patent/DE102009024938A1/en not_active Withdrawn
-
2010
- 2010-05-18 WO PCT/EP2010/056801 patent/WO2010142515A1/en active Application Filing
- 2010-05-18 BR BRPI1010846A patent/BRPI1010846A8/en not_active IP Right Cessation
- 2010-05-18 CN CN201080025625.3A patent/CN102460627B/en not_active Expired - Fee Related
- 2010-05-18 US US13/377,243 patent/US9024220B2/en active Active
- 2010-05-18 RU RU2011154096/07A patent/RU2556084C2/en active
- 2010-05-18 ES ES10720602.1T patent/ES2621014T3/en active Active
- 2010-05-18 EP EP10720602.1A patent/EP2441081B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
CN102460627A (en) | 2012-05-16 |
BRPI1010846A2 (en) | 2016-04-05 |
ES2621014T3 (en) | 2017-06-30 |
RU2011154096A (en) | 2013-07-20 |
US20120085633A1 (en) | 2012-04-12 |
CN102460627B (en) | 2015-08-05 |
BRPI1010846A8 (en) | 2016-10-11 |
RU2556084C2 (en) | 2015-07-10 |
US9024220B2 (en) | 2015-05-05 |
EP2441081A1 (en) | 2012-04-18 |
DE102009024938A1 (en) | 2010-12-16 |
WO2010142515A1 (en) | 2010-12-16 |
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