EP2789001B1 - Appareil de commutation électrique - Google Patents

Appareil de commutation électrique Download PDF

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Publication number
EP2789001B1
EP2789001B1 EP12813312.1A EP12813312A EP2789001B1 EP 2789001 B1 EP2789001 B1 EP 2789001B1 EP 12813312 A EP12813312 A EP 12813312A EP 2789001 B1 EP2789001 B1 EP 2789001B1
Authority
EP
European Patent Office
Prior art keywords
contact piece
switching
switching contact
guide
driving element
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.)
Active
Application number
EP12813312.1A
Other languages
German (de)
English (en)
Other versions
EP2789001A1 (fr
Inventor
Joachim Gericke
Robert GRÜNLER
Martin KREHNKE
Volker Lehmann
Friedrich Löbner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2789001A1 publication Critical patent/EP2789001A1/fr
Application granted granted Critical
Publication of EP2789001B1 publication Critical patent/EP2789001B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • 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
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • 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
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • H01H33/245—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring using movable field electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • 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
    • 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
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6667—Details concerning lever type driving rod arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/024—Convex contact surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle

Definitions

  • the invention relates to an electrical switching device having a guide portion having a first switching contact piece and a second switching contact piece, wherein at least the first switching contact piece via a kinematic chain for generating a relative movement of the switching contact pieces is connected to each other with a drive means and the guide portion is slidably guided along a track.
  • Such electrical switching device is for example from the patent DE 197 27 850 C1 known.
  • a high-voltage circuit breaker with two opposite drivable switching contact pieces is described, these being referred to as arcing contact pieces.
  • a kinematic chain is provided, which connects the first switching contact piece with a drive device.
  • the first switching contact piece is equipped with a guide section, which is guided on a conductor track.
  • the interconnect and the guide portion are matched to one another in such a way that the switching contact piece can perform a linear movement in the direction of the interconnect.
  • the interconnect is equipped with a flat contact surface, wherein the guide section is equipped with a plane just opposite planar support surface.
  • an object of the invention to provide an electrical switching device, which can be equipped with a reduced-power drive device.
  • the object is achieved in an electrical switching device of the type mentioned above in that the guide portion and the guide track are part of a rotational push joint connected to the kinematic chain. Tilting of the guide section in the guide track and / or blocking are prevented by the use of a convexly curved contact surface.
  • a rotary push joint allows a superposition of a pushing movement with a rotary motion. For example, it is possible to displace the first switching contact piece in a linear direction, wherein this linear movement is superimposed by a rotational movement, in particular of the first switching contact piece. As a result, a rectilinear movement of the first switching contact piece is made possible, wherein the switching contact piece can additionally perform a pivoting movement. Thus, tilting of the guide section on the interconnect is only possible with difficulty.
  • a rotary motion By superimposing a rotary motion, existing tolerances can be compensated for, for example, between the guide track and the guide section so that a preferably approximately linear straight guide of the first contact piece is ensured, whereby a clearance between guide track and guide section is permitted by a rotational movement performed relative to the slide track.
  • a defined guidance of the first switching contact piece can take place.
  • the rotary thrust joint can be designed such that a rotational movement about an axis of rotation is permitted, which is aligned substantially transversely to the thrust direction.
  • the thrust direction along an axis should be substantially linear and the axis of rotation should be different from the axis of linear motion.
  • the axis of rotation can, for example, run transversely to the thrust axis (eg, askew or cutting).
  • the axis of rotation should preferably substantially perpendicularly intersect the thrust direction or preferably lie substantially perpendicular to the direction of thrust in a projection.
  • An application of the invention can be carried out, for example, in electrical switching devices having a first and a second switching contact piece, wherein the first and the second switching contact piece are movable relative to each other. It can be provided that only the first switching contact piece is movable, wherein the second switching contact piece remains at rest. However, it can also be provided that both switching contact pieces are subjected to a movement during a switching movement, so that a contact separation or contact closing speed can be increased. For this purpose, the two switching contact pieces are each moved to a switching operation on the other switching contact piece and a switch-off, the switching contact pieces are each moved away from the other switching contact piece.
  • the two switching contact pieces can be mounted linearly displaceable, wherein they are aligned opposite one another coaxially with each other.
  • a construction according to the invention can also be used if only the first switching contact piece is displaceable relative to one another for producing a relative movement of the switching contact pieces.
  • the second switch contact piece mounted in stationary fashion can be arranged opposite the first switch contact piece, wherein the two switch contact pieces can be aligned coaxially with one another.
  • the guide section should have a shape deviating from a shaft of the first switching contact piece.
  • the guide section should be thickened relative to the shaft.
  • the guide section may for example be formed substantially cylindrical, wherein the cylinder axis may be transverse to the linear displacement axis of the first switching contact piece.
  • the shank should preferably have a cylindrical shape, wherein the cylinder axis of the shank lies transversely to the cylinder axis of the guide section substantially parallel to the thrust axis.
  • the cylinder axes should be substantially perpendicular to each other and advantageously intersect each other.
  • the conductive track serves to guide the guide section around the first switching contact piece move toward the second switch contact during a switching operation.
  • the interconnect determines and defines the thrust direction of the first switch contact piece.
  • a track can be constructed in various ways.
  • a conductor track can determine the direction of thrust of the first switching contact piece from the interaction of a plurality of elements.
  • a guide track may, for example, be designed as a groove, as a guide, as a body edge, as a shaft, as an axle, as a socket, as a recess, etc.
  • the track and the guide section may be in direct or indirect contact.
  • the two switching contact pieces should be designed as arcing contact pieces of the electrical switching device.
  • Arc contact pieces have the property that at a switch-off occurring Ausschaltlichtbögen are performed on the arcing contact pieces. Pre-flashovers occurring during a switch-on process are likewise preferably carried out on the arcing contact pieces. It can be provided that the switching contact pieces also perform the function of a rated current contact piece in addition to their function of an arcing contact piece. However, the invention can also be used for contact pieces, which serve both a rated current and an arc guide.
  • the two switching contact pieces are each assigned a rated current contact piece, wherein the switching contact pieces contact each other before each assigned Nennstromtitle consortiumen at a power-up and a disconnection of the switching contact pieces after separation of the rated current contact pieces. Accordingly, it is ensured that a switchable current path of the electrical switching device is initially formed between the switching contact pieces during a switch-on, so that in a subsequent contacting the Nennstromtool publishede a desired arc-free commutation of a current can be made to the parallel-connected rated current contact pieces.
  • the rated current contact pieces first disconnect. In a turn-off is ensured that in a separation of the rated current contact pieces, the switching contact pieces are still in galvanic contact, so that a current of the Nennstromtrust Anlagenen possible arc free commutate on the switching contact pieces and a possibly resulting Ausschaltlichtbogen is performed at a separation of the switching contact pieces on the switching contact pieces ,
  • the rated current contact pieces are each movable, so that a relative movement of the two rated current contact pieces to one another results from a movement of both rated current contact pieces.
  • one of the rated current contact pieces is stationary and the other rated current contact piece is designed to be movable. Accordingly, any desired combinations of movable or stationarily mounted switching contact pieces as well as movably or stationarily mounted rated current contact pieces can be formed.
  • a drive device In order to generate a movement of the first switching contact piece, the use of a drive device may be provided.
  • a drive device generates a movement, which are transmitted to one or more switching contact pieces can.
  • the drive device has, for example, an energy converter which, for example, converts electrical energy into kinetic energy. Via a kinematic chain, a movement output by the drive device can be transmitted up to the drivable first switching contact piece. It is particularly advantageous if a common drive device for driving a plurality of switching contact pieces or one / more rated current contact pieces is used. As described above, movement between switching contact pieces and rated current contact pieces is subject to a specific time sequence.
  • a spatial distance from the drive device to the switching contact piece / rated current contact piece to be moved can be bridged.
  • the movement delivered by the drive device can be reshaped.
  • the kinematic chain may include, for example, transmissions that generate a time delay or the like, so that different movements can be coupled out at different points of the kinematic chain.
  • the second switching contact piece and / or a rated current contact piece is connected to the drive device, wherein the second switching contact piece may be part of the kinematic chain for driving the first switching contact piece.
  • the first switching contact piece may, for example, be coupled to the second switching contact piece via an electrically insulating component.
  • the electrically insulating component is part of a kinematic chain. Via a switching path lying between the two switching contact pieces, a movement can thus be transmitted in an electrically isolated manner from one potential side (second switching contact piece) to the other potential side (first switching contact piece) of the electrical switching device.
  • the electric Insulating component components that lead from each other different electrical potentials, be mechanically coupled together.
  • the kinematic chain can lead in their course divergent electrical potentials.
  • the electrically insulating component is designed in the form of an insulating nozzle, which surrounds the second switching contact piece and in whose Isolierstoffdüsenengstelle the switching path between the two switching contact pieces extends at least partially.
  • the switching path is so formed on the one hand between the two (separate) switching contact pieces.
  • the spatial extent of the switching path is limited by the insulating material.
  • the switching path extends in a (the Isolierstoffdüsenengstelle having) Isolierstoffdüsenkanal. Accordingly, the first switching contact piece can be moved into the insulating material nozzle during a switching movement.
  • the insulating nozzle may be coupled to a drive element such as a linearly displaceable drive rod, which couples via a transmission which is part of the kinematic chain, a movement on the first switching contact piece.
  • a transmission which couples a transmitted via the Isolierstoffdüse movement in the first switching contact piece, for example, serve to effect a reversal of movement of the transmitted from the Isolierstoffdüse movement, so that the first and the second switching contact forcibly in each case with opposite sense, for example with respect to a Longitudinal axis of the electrical switching device to be moved.
  • a common drive means to move the two switching contact pieces opposite to each other and thus to increase the contact separation speed or the contacting speed of the switching device compared to a solely driven switching contact piece.
  • the guide section and the guide track each have contact surfaces, wherein at least one of the contact surfaces is convexly curved.
  • the convex curvature can be effected in such a way that the curvature extends around a plurality of spatial axes, so that, for example, a contact surface in the form of a convexly curved spherical cap is formed.
  • only one axis of curvature is provided for forming a convex contact surface, so that it is shaped, for example, in the manner of a lateral surface portion of a circular cylinder.
  • the convexly curved abutment surface can also be formed deviating from a circular cylinder jacket surface or spherical surface, so that an arbitrarily spatially curved contact surface of a convex type can be formed.
  • a point-shaped or linear contact region can be formed between the contact surfaces of the conductive path and the guide section.
  • This compensating movements between the contact surfaces of the track or guide section are simplified possible.
  • the convexly curved contact surface on the other contact surface in the course of a relative movement between the guide track and guide section allow tilting and pivoting of the guide track and guide section to each other, so that, for example, by abrasion or manufacturing tolerances resulting clearance between the track and guide section can be compensated.
  • a power reduced drive device can be used.
  • a convex shaping of contact surfaces of the conductor track and guide section can be provided. In this case, there are improved possibilities of guiding the guideway on the track along an almost arbitrary track course.
  • a link has at least one shoulder, in which the driving element can engage or which can be scanned by the driving element.
  • a shoulder is, for example, an edge of a groove or a continuous recess or else an edge of a shoulder rising from a surface. Due to the shape of the backdrop respectively their flank to be scanned a relative movement between the driving element and the slide or the first switching contact piece is possible. For example, a driving movement can be impressed on the first switching contact piece via the driving element of the kinematic chain. Depending on the nature of the movement of the entrainment element and the shape of the backdrop different movement pattern can be impressed on the switching contact piece.
  • a further advantageous embodiment may provide that the first switching contact piece has a slot, in which engages a driving element of the kinematic chain, wherein the driving element has a spherically curved surface, which is guided in the backdrop.
  • a cylindrical pin engages the gate, with a free end is rounded spherical, so that this spherical rounded end is guided in the backdrop.
  • the scenery can feel the spherical rounded surface of the driving element and use it for a power transmission.
  • a lateral surface of a bolt can be used for power transmission. Accordingly, a widening or abrading the backdrop is difficult because driving forces are transmitted over larger contact surfaces.
  • a drive lever serves, for example, a transformation of a linear movement, for example, and is part of the kinematic chain for driving the first switching contact piece.
  • a pivotable drive lever is rotatably mounted about an axis, wherein a driving element is mounted on a lever arm.
  • a rotatable mounting of the driving element in the low-pivoting drive lever is given the opportunity to equip the driving element with a flat contact surface, which engages a planar edge of a backdrop.
  • canting as would occur, for example, in an overstroke or during a rotation of the driving element about the axis of rotation of the drive lever can be compensated.
  • a flat contact surface of the driving element during a rotational movement of the lever durably, for example, vertically, vertically or any predetermined position, remain aligned.
  • the driving element can be surrounded by an abrasion-resistant bush rotatably mounted.
  • the sleeve can be connected to a rigid angle with the driving element, so that a rotational movement takes place with the interposition of a fixed angle to the driving element fixed socket on a pivoting lever arm.
  • the sleeve is arranged rigidly fixed to the lever arm, so that the driving element is rotatably disposed within the abrasion-resistant sleeve.
  • a further advantageous embodiment can provide that at least one contact surface is equipped with an abrasion-resistant inlay.
  • the FIG. 1 shows a section through an electrical switching device.
  • the electrical switching device has a first switching contact piece 1 and a second switching contact piece 2.
  • the first switching contact piece 1 and the second switching contact piece 2 are arranged opposite each other frontally, wherein the two switching contact pieces 1, 2 are aligned coaxially to a main axis 3.
  • the FIG. 1 is the representation of the electrical switching device selected such that above the main axis 3, the relatively movable assemblies are shown in an open position of the electrical switching device and below the main axis 3, the relatively movable assemblies are shown in the closed position of the electrical switching device. In the closed position, the switching contact pieces 1, 2 contact each other, in the off position, the switching contact pieces 1, 2 are separated from each other.
  • the first switching contact piece 1 has a bolt-shaped contacting region with a circular cross section, which is aligned coaxially with the main axis 3. Opposite the front side, the second switching contact piece 2 is arranged, wherein the second switching contact piece 2 has a tulip-shaped configured contacting region.
  • the second switching contact piece 2 is formed substantially tubular. In the on state (below the main axis 3), the first switching contact piece 1 is retracted into the second switching contact piece 2. There is a galvanic connection between the two switching contact pieces 1, 2. Both the first switching contact piece 1 and the second switching contact piece 2 are movable via a drive device 6.
  • the two switching contact pieces 1, 2 act in the electrical switching device FIG. 1 as arcing contact pieces.
  • the second rated current contact piece 5 is aligned coaxially with the main axis 3, wherein the second rated current contact piece 5 encloses the second switching contact piece 2.
  • the second switching contact piece 2 and the second nominal contact piece 5 always have the same electrical potential.
  • the in the FIG. 1 shown rated current contact pieces 4, 5 and switching contact pieces 1, 2 are surrounded by an electrically insulating fluid, in particular a gas, which is enclosed within an encapsulating housing (not shown) under pressure.
  • the interconnect 9 has grooves whose groove bottoms each form a contact surface.
  • the groove flanks of the groove ensure positioning of the contact surfaces 12 of the guide section 10 in the track 9.
  • the guide portion 10 is designed mirror-symmetrically to the main axis 3, so that through the track 9, a linear guide of first switching contact piece 1 is effected in the direction of the main axis 3, wherein due to the convex shape of the contact surfaces 12 of the guide portion 10, a tilting of the guide portion 10 is prevented at the interconnect 9. Consequently
  • the guide section 10 can be displaced linearly in the direction of the main axis 3, whereby a conditional rotational movement in the course of a linear displacement of the first switching contact piece 1 in the guide track 9 is permitted.
  • a movement which is output by the drive device 6 is transmitted to the first switching contact piece 1.
  • the gate 13 is arranged in the cylindrically shaped guide section 10 of the first switching contact piece 1.
  • the driving element 14 is in the present case designed as a bolt, which is mounted on a first lever arm of a two-armed drive lever 15.
  • the two-armed drive lever 15 is mounted on the gear carrier 8 and thus on the first rated current contact piece 4.
  • the second lever arm of the two-armed drive lever 15 is in the form of a fork.
  • the closed position of the first switching contact piece 1 is left and transferred into an open position of the first switching contact piece 1 (above the main axis 3).
  • the two-armed drive lever 15 is part of a kinematic chain in order to transmit a drive movement from the drive device 6 to the first switching contact piece 1.
  • the drive device 6 is connected to the second switching contact piece 2 and to the second rated current contact piece 5.
  • the second switching contact piece 2 and the second rated current contact piece 5 are mounted immovably relative to each other. A movement of the first rated current contact piece 5 thus forcibly leads to a movement of the second switching contact piece 2 and vice versa.
  • the second rated current contact piece 5 is connected in an angularly fixed manner to an insulating nozzle 16. Due to the rigid-angle coupling of the second rated current contact piece 5 and the second switching contact piece 2, the insulating material nozzle 16 is also connected to the second switching contact piece 2 with a rigid angle. Accordingly, the insulating material 16 is moved with a movement of the second switching contact piece 2 and the second rated current contact piece 5 with these.
  • Both the second switching contact piece 2 and the second rated current contact piece 5 and the insulating material 16 are mounted displaceably along the main axis 3.
  • the Isolierstoffdüse 16 is designed as a rotationally symmetrical insulating material, which centrally has a Isolierstoffdüsenengstelle, wherein the Isolierstoffdüsenengstelle encloses the switching path formed between the two switching contact pieces 1, 2.
  • the Isolierstoffdüse 16 is arranged such that the insulating nozzle 16 is surrounded by the second rated current contact piece 5 at least partially outer jacket side, the Isolierstoffdüse 16, the second switching contact piece 2 at least partially surrounds.
  • the insulating nozzle 16 spans the switching path between the two switching contact pieces 1, 2.
  • the insulating nozzle 16 is connected to a drive rod 17.
  • the drive rod 17 is presently formed as a substantially linear U-profile, wherein the linear profile profile of the drive rod 17 is aligned parallel to the main axis 3.
  • the drive rod 17 is slidably supported on the gear carrier 8, wherein a fork-shaped lever arm of the two-armed drive lever 15 protrudes into the U-profile of the drive rod 17.
  • the fork ends of the forked Lever arm are shaped such that in the on or in the off state of the two-armed drive lever 15 abuts with one of its fork ends at the bottom of the U-profile of the drive rod 17 and is fixed.
  • a drive bolt 18 is arranged, which is aligned transversely to the main axis 3.
  • the drive pin 18 is held between the flanks of the U-profile of the drive rod 17.
  • the drive pin 18 runs into the fork-shaped end of a lever arm of the two-armed drive lever 15, whereby a linear movement is converted into a pivoting movement of the two-armed drive lever 15.
  • a recess 20 is introduced in the groove bottom of the drive rod 17. Through the recess 20, the fork ends of the two-armed drive lever 15 can swing out of their respective blocking positions.
  • FIGS. 2, 3 and 4 is a movement of the first switching contact piece 1 from its closed position ( Fig. 1 below the main axis 3) in its off position ( Fig. 4 and Fig. 1 above the main axis 3).
  • the drive device 6 causes the second rated current contact piece 5 and the second switch contact piece 2 to move away from the first switch contact piece 1 or the first rated current contact piece 4.
  • the galvanic contacting of the two rated current contact pieces 4, 5 and the two switching contact pieces 1, 2 should be repealed.
  • the Ausschaltschulsraum the drive device 6 is in the FIG. 1 indicated by the arrow 19.
  • the axial extent of the recess 20 in the groove portion of the drive rod 17 is dimensioned such that always securing the position of the pivot lever is ensured even during the swinging from its switch-on to its off position, ie, even during a switchover from a switch-on to a switch-off (And vice versa), the position of the two-armed drive lever 15 is fixed, so that via the coupling with the second switching contact piece 2, the position of the first switching contact piece 1 is defined and a sporadic displacement of the first switching contact piece 1 is excluded.
  • the driving element 14 is also opposite to Pivoted clockwise, wherein the movement of the driving element 14 is transmitted to the slot 13 of the first switching contact piece 1 and the pivoting movement is in turn converted into a linear movement. Due to the design and coupling of the two-armed drive lever 15, a reversal of the sense of direction of the drive movement, which causes transferred from the second rated current contact piece 5 and the second switching contact piece 2, a switching of the electrical switching device.
  • FIGS. 1 to 4 The basic function of the electrical switching device and the effect of the first switching contact piece 1 and the kinematic chain are the FIGS. 1 to 4 described.
  • FIGS. 1 to 4 To the representations of Figures 5 . 6 . 7, 7A . 8, 8A . 8B . 9 . 9A . 10 . 10A . 11 . 11A . 12 and 12A only possibilities of the design of the guide portion 10 of the driving element 14 and further in this area befind Anlagen elements are described in more detail.
  • FIG. 5 shows the guide portion 10 of the first switching contact piece 1, wherein the guide portion 10 is provided with convex abutment surfaces 12.
  • the convex contact surfaces 12 are each part of a shell of a cylinder with a circular cross-section.
  • the circular cross section is symbolized in the figure by the broken solid line.
  • the axis of curvature of the contact surfaces 12 thereby passes through the main axis 3.
  • the guide track 9 has two oppositely oriented contact surfaces, which are each made flat. At the flat contact surfaces of the conductor track 9 are the convex contact surfaces 12 of the guide portion 10 of the first switching contact piece 1.
  • Die Backing 13 which is designed as a slot having a linear extension, wherein the slot is penetrated by the axis of curvature of the convex contact surfaces 21 is penetrated by the driving element 14.
  • the driving element 14 is designed such that this has a flat contact surface 22 which bears against the counter-shaped flat edge of the slide 13.
  • the driving element 14 has two parallel aligned planar contact surfaces 22, which are similar with oppositely aligned flanks of the link 13 in engagement. The driving element 14 thus forms a sliding block.
  • the embodiment of the entrainment element 14 is in the FIG. 6 shown in more detail. It can be seen that the entrainment element 14 has a substantially rectangular cross-section, wherein the corners are circularly broken. In this case, the entrainment element 14 in each case parallel to each other aligned contact surfaces 22, which are just designed and at the same time with the flanks of the gate 13 are engaged. Furthermore, it can be seen that the driving element 14 is mounted in a bushing 23.
  • the bush 23 is formed of abrasion-resistant material, wherein the sleeve 23 is rigidly connected to the driving element 14.
  • the sleeve 23 in turn is rotatably positioned in the two-armed drive lever 15 so that the driving element 14 is rotatably mounted to the drive lever 15.
  • FIGS. 7, 7A show a perspective view of the known guide portion 10 from FIG. 6 , On average, in particular, the position of the bushing 23 in the two-armed drive lever 15 can be seen.
  • the sleeve 23 is rigidly connected to the driving element 14. It can also be provided that the sleeve 23, the driving element 14th rotatably engages around and self-locking angle is fixed in the drive lever 15.
  • FIGS 8, 8A, 8B show a first embodiment variant of a driving element 14.
  • a bushing 23 has planar contact surfaces 22, wherein the sleeve 23 is rotatably mounted on the driving element 14.
  • the driving element 14 is fixedly mounted on the two-armed drive lever 15.
  • the sleeve 23 may be rigidly secured to the driving element 14 and the driving element 14 rotatably mounted on the two-armed drive lever 15.
  • a parallel guide of the respective driving elements 14 is provided in two slotted scenes 13.
  • a bearing of the respective driving element 14 is provided on the respective two-armed drive lever 15.
  • 8A, 8B is in each of the scenes 13 a separate sleeve 23 out.
  • FIGS. 9, 9A a second embodiment variant of a driving element 14 is shown.
  • the entrainment element 14 has a central pin 14a, which passes through the two-armed drive lever 15, wherein the bolt 14a each rises like a spherical cap at its free ends on the two-armed drive lever 15.
  • the two-armed drive lever 15 may be formed, for example, with spherical cap-shaped projections for forming a driving element 14.
  • the spherical cap-shaped surfaces of the driving element 14 each engage in a linear groove (link 13), each of which preferably has a semicircular groove profile.
  • a surface enlarged contact area is formed, which slides through a pivoting of the drive lever 15 through the groove-shaped scenes 13 and causes a conversion of the pivotal movement of the two-armed drive lever 15 in a linear movement of the first switching contact piece 1.
  • FIGS. 10, 10A show a fourth embodiment variant based on the FIGS. 9, 9A known embodiment of a driving element 14.
  • a cylindrical through-bore is introduced, in which a spherical driving element 14 is inserted.
  • the spherical entrainment element 14 in turn is inserted in two aligned scenes 13, which preferably have two opposing grooves with opposite profile.
  • a driving out of the spherical driving element 14 is prevented from the through hole.
  • By limiting the pivoting range of the two-armed lever 15 prevents the spherical driving element 14 runs out of the backdrop 13.
  • FIGS. 10, 10A show a fourth embodiment variant of the FIGS. 10, 10A known driving element 14 in the form of a ball, here the use of two balls is provided, which are each guided in a gate 13, wherein for positioning the two balls of the driving element 14 in a through hole of the drive lever 15, an annular ball bearing is provided which the balls holds in opposite directions in the respective scenes 13.
  • the annular ball bearing guides the carrier element 14 in the radial direction in the through hole of the drive lever 15 and presses the two balls into the respective slot 13.
  • the use of an abrasion-resistant insert can also be provided on the flanks of the gate 13.
  • the flanks of the backdrop 13 which serve as contact surfaces for the driving element 14, inlays of abrasion resistant Be used material. In order for a knocking or widening of the gate 13 is prevented, with only the endangered by abrasion areas of the gate 14 must be made of the abrasion resistant material.
  • bearing surfaces of the forked end of the two-armed drive lever 15, in which the drive pin 18 retracts during movement are equipped with inlays made of abrasion-resistant material.
  • the contact surfaces of the two-armed drive lever 15, on which the drive pin 13 engages or comes to rest mechanically reinforced correspondingly, whereby a widening of the fork end of the two-armed drive lever 15 is difficult by knocking or rubbing.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Contacts (AREA)
  • Manipulator (AREA)
  • Slide Switches (AREA)

Claims (7)

  1. Appareil de commutation électrique comprenant une première pièce ( 1 ) de contact de commutation ayant une partie ( 10 ) de guidage et une deuxième pièce ( 2 ) de contact de commutation, au moins la première pièce ( 1 ) de contact de commutation étant, par une chaîne cinématique de production d'un mouvement relatif des pièces ( 1, 2 ) de contact de commutation l'une par rapport à l'autre, reliée à un dispositif ( 6 ) d'entraînement et sa partie ( 10 ) de guidage est guidée à coulissement le long d'une piste ( 9 ) conductrice,
    caractérisé en ce que
    la partie ( 10 ) de guidage et la piste ( 9 ) conductrice font parties d'un joint articulé et cylindrique relié à la chaîne cinématique et en ce que la partie ( 10 ) de guidage a une surface ( 12 ) d'application, qui s'applique à la piste ( 9 ) conductrice et la piste ( 9 ) conductrice a une surface ( 12 ) d'application, qui s'applique à la partie ( 10 ) de guidage, au moins l'une des surfaces ( 12 ) d'application étant convexe.
  2. Appareil de commutation électrique suivant la revendication 1,
    caractérisé en ce que
    l'une des surfaces ( 12 ) d'application est plane.
  3. Appareil de commutation électrique suivant l'une des revendications 1 à 2,
    caractérisé en ce que
    la première pièce ( 1 ) de contact de commutation a une coulisse ( 13 ) dans laquelle pénètre un élément ( 14 ) entraîneur de la chaîne cinématique, l'élément ( 14 ) entraîneur ayant une surface ( 12 ) d'application plane qui s'applique à un flanc de la coulisse ( 13 ).
  4. Appareil de commutation électrique suivant l'une des revendications 1 à 2,
    caractérisé en ce que
    la première pièce ( 1 ) de contact de commutation a une coulisse ( 13 ), dans laquelle pénètre un élément ( 14 ) entraîneur de la chaîne cinématique, l'élément ( 14 ) entraîneur ayant une surface sphérique guidée dans la coulisse ( 3 ).
  5. Appareil de commutation électrique suivant l'une des revendications 3 ou 4,
    caractérisé en ce que
    l'élément ( 14 ) entraîneur est monté tournant sur un levier ( 15 ) d'entraînement, notamment pivotant.
  6. Appareil de commutation électrique suivant la revendication 5,
    caractérisé en ce que
    l'élément ( 14 ) entraîneur est monté tournant, en étant entouré d'un manchon ( 23 ) résistant à l'usure.
  7. Appareil de commutation électrique suivant l'une des revendications 1 à 5,
    caractérisé en ce que
    au moins une surface d'application est équipée d'un inlay résistant à l'usure.
EP12813312.1A 2012-01-10 2012-12-18 Appareil de commutation électrique Active EP2789001B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012200238A DE102012200238A1 (de) 2012-01-10 2012-01-10 Elektrisches Schaltgerät
PCT/EP2012/075884 WO2013104495A1 (fr) 2012-01-10 2012-12-18 Appareil de commutation électrique

Publications (2)

Publication Number Publication Date
EP2789001A1 EP2789001A1 (fr) 2014-10-15
EP2789001B1 true EP2789001B1 (fr) 2017-03-01

Family

ID=47552975

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Application Number Title Priority Date Filing Date
EP12813312.1A Active EP2789001B1 (fr) 2012-01-10 2012-12-18 Appareil de commutation électrique

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US (1) US9484161B2 (fr)
EP (1) EP2789001B1 (fr)
KR (1) KR101755083B1 (fr)
CN (1) CN104040664B (fr)
BR (1) BR112014017002B1 (fr)
DE (1) DE102012200238A1 (fr)
ES (1) ES2627345T3 (fr)
MX (1) MX2014008394A (fr)
RU (1) RU2608571C2 (fr)
WO (1) WO2013104495A1 (fr)

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DE102013200914A1 (de) * 2013-01-22 2014-07-24 Siemens Aktiengesellschaft Schaltverfahren und Schalteinrichtung
WO2015036897A1 (fr) * 2013-09-13 2015-03-19 Abb Technology Ltd. Ensemble de retenue d'engrenage pour disjoncteur
JP6426114B2 (ja) * 2016-03-28 2018-11-21 株式会社日立製作所 ガス遮断器
DE102016214221B4 (de) * 2016-08-02 2019-11-21 Siemens Aktiengesellschaft Getriebegehäuse eines Leistungsschalters
RU174929U1 (ru) * 2017-06-27 2017-11-13 Акционерное общество "Курский электроаппаратный завод" Устройство для перемещения и фиксации выключателя выдвижного исполнения
DE102019214432B4 (de) * 2019-09-23 2024-02-08 Siemens Energy Global GmbH & Co. KG Baugruppe für einen Hochspannungs-Leistungsschalter und entsprechender Hochspannungs-Leistungsschalter
EP3828909B1 (fr) * 2019-11-29 2023-09-13 General Electric Technology GmbH Disjoncteur à double mouvement non linéaire simplifié

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US2460216A (en) * 1945-01-10 1949-01-25 Dalton Foundries Inc Disconnectible universal joint
US3814883A (en) * 1970-07-01 1974-06-04 Westinghouse Electric Corp Gas-blast circuit interrupter with insulating arc shield
FR2491675A1 (fr) 1980-10-07 1982-04-09 Alsthom Atlantique Dispositif de coupure a double mouvement des contacts
CN1045058C (zh) * 1994-01-14 1999-09-15 胡佛公司 清洗方式可转换的竖式地毯清洗脱液器
DE4427163A1 (de) * 1994-08-01 1996-02-08 Abb Management Ag Druckgasschalter
US5565251A (en) * 1994-10-21 1996-10-15 Btr Antivibration Systems, Inc. Stabilizer bar bushing with ultra high molecular weight polyethylene lining method of manufacture
DE19727850C1 (de) 1997-06-26 1998-09-17 Siemens Ag Hochspannungs-Leistungsschalter mit zwei entgegengesetzt antreibbaren Lichtbogenkontaktstücken
DE19738697C1 (de) * 1997-08-29 1998-11-26 Siemens Ag Hochspannungsleistungsschalter mit antreibbarem Gegenkontaktstück
DE10006167B4 (de) 2000-02-11 2009-07-23 Abb Schweiz Ag Leistungsschalter
EP1310970B1 (fr) 2001-11-09 2007-08-01 ABB Schweiz AG Disjoncteur hybride avec transmission
EP1544881B1 (fr) * 2003-12-19 2007-01-24 ABB Technology AG Dispositif de commutation à isolation gazeuse avec une buse
ATE504933T1 (de) * 2005-02-10 2011-04-15 Abb Technology Ag Schaltkammer für einen gasisolierten hochspannungsschalter
KR200442291Y1 (ko) * 2006-12-29 2008-10-27 엘에스산전 주식회사 기중차단기 및 그에 사용되는 링크

Also Published As

Publication number Publication date
CN104040664A (zh) 2014-09-10
MX2014008394A (es) 2014-08-22
KR20140109416A (ko) 2014-09-15
BR112014017002A8 (pt) 2017-07-04
WO2013104495A1 (fr) 2013-07-18
DE102012200238A1 (de) 2013-07-11
RU2014132869A (ru) 2016-03-10
ES2627345T3 (es) 2017-07-27
BR112014017002B1 (pt) 2020-12-29
CN104040664B (zh) 2017-07-07
KR101755083B1 (ko) 2017-07-06
BR112014017002A2 (pt) 2017-06-13
US9484161B2 (en) 2016-11-01
US20150014131A1 (en) 2015-01-15
RU2608571C2 (ru) 2017-01-23
EP2789001A1 (fr) 2014-10-15

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