EP2850630A1 - Switching arrangement - Google Patents
Switching arrangementInfo
- Publication number
- EP2850630A1 EP2850630A1 EP13729951.7A EP13729951A EP2850630A1 EP 2850630 A1 EP2850630 A1 EP 2850630A1 EP 13729951 A EP13729951 A EP 13729951A EP 2850630 A1 EP2850630 A1 EP 2850630A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- contact piece
- switching
- arcing
- rated current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 46
- 239000011810 insulating material Substances 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 244000145841 kine Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
-
- 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
- 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
- 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
- H01H33/02—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
- 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 a switching arrangement comprising a first switch contact set with a Nennstromkon- contact piece and an arcing contact piece, which are arranged movable relative to each other, wherein the arcing contact piece is supported on a contact carrier of the rated current contact piece via a support member and a transmission for generating a relative movement between the arcing contact and the rated current contact piece.
- Such a switching arrangement is known, for example, from the published patent application DE 197 41 660 A1.
- a switching arrangement in the form of a high-voltage circuit breaker which has a first contact set with a rated current and an arcing contact piece.
- the rated current contact piece and the arcing contact piece of the first switching contact set are movable relative to each other angeord ⁇ net.
- the arcing contact piece is supported on a contact carrier of the rated current contact piece via a support element from ⁇ .
- a gear is used to generate a relative movement between the rated current contact piece and the arcing contact piece.
- the local gear is attached to the support element of the arc ⁇ contact piece. This ensures that the arcing contact piece and the gear are positioned flush with one another, so that a precise relative movement is Zvi ⁇ rule allows the arcing contact and the rated current contact piece of the first switching contact set.
- Republic ⁇ lig is in this construction that from the gear ⁇ ing forces are intercepted via the support element of the arcing contact piece.
- the support element In addition to the forces that occur in support of the arcing contact piece, the support element must also withstand the transmission forces.
- the switching speed of the switch assembly is desired, ⁇ heights to it, thereby moving parts, such as electric arc gentitle Swiss elevated positive and negative accelerations are subjected. Accordingly occur on moving parts, for example, the transmission, increased forces. With increasing efficiency of known switching arrangements moving masses and consequently occurring forces are always larger. Economically, the forces occurring with the known construction are hardly to control.
- the object is achieved in a switching arrangement of the type mentioned in that a gear ⁇ chassis of the gearbox on the contact carrier is supported in particular directly bar.
- a transmission has moving parts such as shafts, axles, levers, bolts, push rods, threaded rods and so on.
- the individual moving parts of the gearbox are to be held in position relative to one another. Positioning of the moving parts of the transmission is performed by a transmission chassis.
- the transmission chassis can be designed, for example, as a closed or an open transmission housing. About the transmission is a generation of a relative movement of a
- Arc contact piece and a rated current contact piece of a first switching contact set allows.
- the gearbox ⁇ be, for example, it is possible to transmit a drive movement of a switching contact piece on another switching contact piece, such as an arcing contact piece, and so to effect a relative movement between a rated current contact piece and an arcing contact piece of the first switching contact set.
- one should enter the gear-coupled movement for example, a linear movement to be transformed or deflected.
- ayakkop ⁇ -coupled linear movement whose directional sense, for example, be reversed so that again a linear movement, in particular directed parallel to Einkoppelschi, is impressed on the arcing contact piece.
- the transmission should preferably be designed as a deflection gear.
- the arcing contact piece and the rated current contact piece of the first switching contact set are part of a switching path of the switching arrangement, wherein the first switching contact set is assigned a gegen Sammlunger second switching contact set.
- the second switch ⁇ contact set a rated current contact piece and an arc contact piece
- the arcing contact pieces are formed gegen document at ⁇ the switch contact sets and the rated current contact pieces of the two switch contact sets, so that rated current contact pieces and arcing contact pieces ⁇ contact the switch contact sets galvanically each other can.
- the rated current contact piece and the arcing contact piece of the first and the second switching contact set are each permanently contacted with each other electrically, so that they always carry the same electrical potential.
- the arc ⁇ contact pieces serve to protect the Nennstromkon- contact pieces before Kunststoffabbrand by a switching arc.
- Ausschaltanderbögen or Einschaltlichtbögen are preferably performed on the arcing contact pieces.
- the arcing contact pieces are to close at a switch-on against the rated current contact pieces leading, with a turn-off the arcing contact pieces with respect to the rated current contact pieces lagging.
- a relative movement of the rated current contact pieces as well as of the arcing contact pieces can take place in such a way that a drive movement, which is generated by a drive arrangement, is coupled to one of the switching contact sets.
- Movement of the first switching contact set may be transmitted over a kine ⁇ matic chain, for example, on the arcing contact ⁇ piece or the rated current contact piece, or both the arcing contact and the rated current contact piece of the first switching contact set.
- the gear which works advantageously as Umlenk ⁇ gear.
- the reversing gear transmits beispielswei ⁇ se one of the second switching contact set (or the arcing contact piece and / or the rated current contact piece) fully led motion to the arcing contact piece and / or the rated current contact piece of the first switching contact set.
- the gearbox transforms the transmitted motion.
- both the rated current contact piece and the arcing contact piece of the second switching contact set and the arcing contact piece of the first contact set move towards each other or are moved away from each other.
- the rated current contact piece of the first switching contact set can remain stationary at rest or possibly also be movable.
- the kinematic chain which serves to transfer an on ⁇ drive motion to one or both switching contact pieces of the first switching contact set may be equipped with an electrically insulating portion, so that a mechanical ⁇ African connection between the switch contact sets via the switching path of the switching device consists of time.
- the electrically insulating section prevents short-circuiting of the switching path.
- the gearbox of the gearbox supports and guides the moving parts of the gearbox.
- the transmission may be, for example, a lever mechanism, which is a linear movement by means of egg ⁇ nes, for example, two-armed reversing lever in their Rieh- reversed and transferred to the arcing contact piece.
- the transmission chassis can be connected in particular immedi ⁇ bar with the contact carrier of the rated current contact piece of the first switching contact set.
- the transmission chassis can be screwed to the contact carrier, so that a multiple release and securing the Ge ⁇ transmission chassis of the transmission is possible.
- maintenance on the gearbox can be made.
- the gear chassis can be madestat- tet with corresponding support feet, so that the transmission chassis is suit ⁇ based on the contact carrier.
- the contact carrier is, for example, a hollow cylindrical body, on which the rated current contact piece of the first switching contact set is mounted. Entspre ⁇ accordingly, the contact carrier is used for a mechanical holding of the rated current contact piece, to the other of Kon ⁇ balance carrier is also part of a current path in order to provide to the Nennstromkon- clock-piece and to the arcing contact of the first switching contact set an electric current path to the Availability checked ⁇ supply.
- the rated current contact piece and the arcing contact piece of the first switching contact set permanently lead the same electrical potential.
- the support element for example, serve the support element, via which the arcing contact piece is supported on the contact carrier of the rated current contact piece.
- the support ⁇ element for example, allow a moving bearing of Lichtbo ⁇ genWallet foundedes the first switching contact set.
- the support member for example, a socket aufwei ⁇ sen, in which the arcing contact piece is movably guided.
- the support member may for example be designed as a web, which is arranged on the inner shell side in a hollow cylindrical contact carrier.
- the web can, for example, lie on a diameter which is arranged in a cavity of the hollow-cylindrical contact carrier. is orders.
- Corresponding centric can be arranged in the web, a socket within which the arc Kon ⁇ contact piece is guided linearly displaceable.
- About sliding contacts for example, a permanent electrical contacting tion of the web / the support element with the arc contact ⁇ piece be provided so that a current path to the contact carrier of the rated current contact piece of the first switching contact ⁇ set is formed.
- the arcing contact piece and the rated current contact piece are each supported on the same contact carrier.
- a support of arcing contact piece and rated current contact piece can advantageously be carried out independently of each other.
- a further advantageous embodiment can provide that the support element is spanned in particular at a distance from a bearing support of the transmission chassis supported on the contact support.
- a transmission chassis may preferably be equipped with a bearing cheek which positions and supports bolts, shafts, levers, guideways, etc. of the transmission.
- the bearing cheek itself as a leadership and
- the bearing cheek can be advantageously supported on the contact carrier, wherein the bearing cheek itself spans the support member, so that between the bearing cheek and support member is given a mechanical decoupling. Kräf ⁇ te can not pass directly from the support member on the bearing cheek of the transmission chassis and vice versa. So- probably the support member and the transmission chassis are inde pendent ⁇ hinged to each other on the contact carrier, so that forces which emanate from the transmission as well as forces emanating from the support element, are introduced into the supporting contact carrier.
- the support member can be dimensioned, designed and configured independently of the transmission chassis.
- the transmission chassis can be un ⁇ designed, designed and designed depending on the design of the support element.
- the support element which preferably extends in the manner of a web through a cavity of a hollow cylinder with wesentli ⁇ chen circular cylindrical cross-section, for example ⁇ in the direction of the cylinder axis of the contact carrier cursing almost congruent to the transmission chassis of Getrie ⁇ bes be arranged between a bearing cheek of the Ge ⁇ drive chassis and the support member a spaced gap is formed.
- the transmission chassis has a first and a second Lagerwan ⁇ ge, the end of which are supported on the release of a moving parts of the Ge ⁇ drive receiving recess between the bearing cheeks on a substantially cylindrical contact carrier.
- the bearing cheeks are screwed via threaded bolts in end-side threaded recesses of the contact carrier.
- the bearing cheeks corresponding projections such. B. a cross-beam, have to form support feet.
- the cross-beam spans preferential ⁇ as the support element.
- the crossbeam can be formed in alignment substantially congruent to the support element (in particular when using a web as Stitzele ⁇ ment).
- At least one bearing cheek a cross-beam for spanning a Mün ⁇ tion opening of a cavity of the contact carrier, in which the arcing contact protrudes, wherein the bearing cheek extends over the mouth opening of the cavity.
- a crossbeam makes it possible to form support feet for supporting the bearing cheek in a simple way.
- a crossbeam is a support, which is supported at points and in turn a base for holding another
- the cross-beam can span a mouth opening ei ⁇ ner cavity of the contact carrier, wherein the bearing cheeks connect to the cross-beam, so that the La ⁇ che cheeks are above the mouth opening.
- the mouth opening should be designed such that in a projection in the direction of the cylinder axis, the contour of the bearing cheeks is up to the end face on the contact carrier supporting Abstützfeine the crossbeam within the Kon ⁇ tur the mouth opening in the projection direction.
- the arcing contact piece in protrude the contact carrier and at least partially move the arcing contact piece from the contact carrier and, for example, to protrude into the recess located between the bearing cheeks.
- the arcing contact piece is guided both on the support element, as well as for coupling to the transmission within the recess between the bearing cheeks.
- a further advantageous embodiment can provide that at at least one of the bearing cheeks, a guide track for guiding a sensing element scanning the guideway is arranged.
- the rated current or arc contact pieces of the first or second switch contact set are preferably movable relative to one another along a movement axis. Accordingly, a guide is possible in a guideway, for example in a slot, which is scanned via a scanning element.
- a guideway can be shaped differently. Preferably, this should have a linearly stretched course. However, it can also be provided that the guideway has a curvature, whereby a movement is delayed or accelerated, for example.
- a Füh approximately ground ⁇ may be designed in various ways, ⁇ example, the guide track may be configured as a backdrop, where ⁇ sampled at their flanks by the sensing element.
- the guideway is formed, for example, as a groove, wherein the sensing element can scan both a groove bottom and groove flanks.
- the sensing element can be designed differently depending on the needs, so in ⁇ example, a sliding in the guideway cylinder can be used.
- Ring disks or the like act as a scanning element. From the ⁇ probe element is moved along the course of the guide track ⁇ be moved, wherein the guide track and the scanning miteinan ⁇ remain in the compound. The scanning element follows the path specification of the guideway.
- a further advantageous embodiment may provide that in the recess, a guide track for the arcing contact piece is arranged.
- a guideway within the recess allows sliding of relatively movable parts.
- the arcing contact can be supported on the guideway, which are formed for example on the bearing cheeks.
- This allows permanent ⁇ by way done a guidance and steering of the arcing contact piece in a simple manner, so that the arcing contact is on the one hand to the support element, which is connected to the contact carrier is guided, and on the other hand a guidance takes place in the guide track, so that in the course of a linear trajectory of the arcing contact piece a support and leadership of the arcing contact piece at at least two support points, for. B. support element and guideway) is given.
- a further advantageous embodiment may provide that at at least one bearing cheek, a movable Feldberichtelekt ⁇ rode is guided.
- a field control electrode can be used, for example, to dielectrically stabilize a switching path between the first switching contact set and the second switching contact set. Such stabilization may preferably be effective in the switched-off ⁇ th state of the switching arrangement, so that the opposing nominal or LichtbogenWalletstü- bridge in the separated state are dielectrically shielded, where ⁇ is made difficult by a spontaneous strike through of the switching path between the two switching contact sets. It can, however also be provided that the field control electrode improves the dielectric contour of the switching contact is in sets ⁇ off state.
- the field control electrode can be embodied in the form of a ring electrode which surrounds the arcing contact piece of the first switching contact set and their ⁇ hand is surrounded by the rated current contact piece of the first switching contact set.
- the field control electrode can be moved in the same position as the arcing contact piece in position, wherein preferably an oppositely directed movement of the first arcing contact ⁇ piece of the first switching contact set and Feld horrelektro ⁇ de takes place, so that at a switch the Lichtbo ⁇ gentitle scientific the first switching contact set in the direction of second switching contact set is moved, whereas where the field control electrode moves away from the second set of switch contacts.
- the arc contact piece of the first switch contact set should be removed from the second switch contact set at a turn-off, however, where the field control electrode moves in the direction of the second switch contact set to the second switch contact ⁇ set opposing front of the first switch contact set to protect dielectrically.
- a guide can be done, for example, within guideways, which are introduced for example in the bearing cheeks.
- a suitable shaping of the guide tracks also in relation to the movement profile of the arcing contact piece deviating BEWE ⁇ supply profile of the field control electrode can be produced.
- a slotted guide can be used.
- ⁇ on the basis of a curved design of the guide path (transverse to the axis of movement of the arcing contact piece) can be also generates a persistence / deceleration of the field control electrode, while a driven arcing contact piece is in motion.
- an embodiment of the invention is sche ⁇ matically shown in a drawing and described in more detail below. It shows a section through a switching arrangement, the first and a second switching contact set, the switching arrangement known from Figure 1, which is a perspective view of the first Wegkon ⁇ clock set with supported on a contact carrier bearing jaws.
- FIG. 1 shows a section through a switching arrangement in the form of a high-voltage circuit breaker.
- the switching arrangement has a fluid-tight encapsulation housing 1.
- the fluid-tight encapsulation housing 1 is presently designed as a pressure vessel, which is filled in its interior with an electrically insulating fluid, preferably an electrically insulating gas such as sulfur hexafluoride.
- an electrically insulating fluid preferably an electrically insulating gas such as sulfur hexafluoride.
- the captured within the encapsulating one fluid is placed under pressure ⁇ . Accordingly, in the installed state of the inner ⁇ space of the encapsulating 1 is hermetically sealed.
- a Unterbre ⁇ cherüthe the switching arrangement is disposed within the encapsulating 1.
- the breaker unit comprises a first switching contact 3 set so ⁇ as a second switching contact set to 4.
- the first and second switch contact sets 3, 4 are each supported on the housing housing 1 via an insulating support 2a, 2b at ends facing away from each other on the inside.
- Switching contact set 3 has a first contact carrier 5.
- the second switch contact set 4 has a second contact carrier 6. Via the first contact carrier 5, a first rated current contact piece 7 of the first switching contact set 3 is supported. Via the second contact carrier 6, a second rated current contact piece 8 of the second switching contact set 4 is positioned. Furthermore, via the first contact carrier 5, a first arcing contact piece 9 of the first switching contact adapter Zes 3 positioned. Furthermore, via the second contact ⁇ carrier 6, a second arcing contact piece of the second
- Switching contact set 4 positioned.
- the contact pieces of the switch contact sets 3, 4 are arranged coaxially with each other.
- a contact element IIa, IIb is electrically conductively connected to the first contact carrier 5 and the second contact carrier 6, which make it possible to contact and integrate the switch contact sets 3, 4 / of the contact carriers 5, 6 of the switching arrangement into a current path, so that by means of the switching device is enabled or disabled the current path.
- the two contact elements IIa, IIb of the first and of the second contact carriers 5, 6 are each arranged on the outer jacket side on substantially hollow-cylindrical shield bodies.
- the second contact ⁇ carrier 6 is designed substantially hollow cylindrical and at least partially surrounded by a hollow cylindrical screen body which carries a contact element IIb.
- the first contact carrier 5 is designed substantially hollow cylindrical and is at least partially surrounded by a hollow ⁇ cylindrical screen body, which carries a contact element IIa.
- the hollow cylindrical screen body serve as a screen hoods to protect the contours of the contact carrier 5, 6 dielectrically and a connection of connecting conductors via the contact elements IIa, IIb.
- the leads to be inserted can be connected to the flanges 12a,
- the two contact carriers 5, 6 are designed substantially hollow cylindrical, wherein the two contact carriers 5, 6 are designed substantially with an annular cross-section and coaxially frontallywellie ⁇ ing arranged. Accordingly, the Stirnsei ⁇ th of the rated current contact pieces 7, 8 and the Lichtbogenkon- 10 4 of a switching path are clock-pieces 9, the two switching contact sets 3, in Be ⁇ rich opposite.
- the two ⁇ te rated current contact piece 8 is designed as a hollow cylinder tubular.
- the first rated current contact piece 7 is designed socket-shaped. When contacting, the second rated current contact piece 8 can enter the first rated current contact piece 7.
- the first arcing contact piece 9 is designed bolt-shaped, wherein the second arcing contact piece 10 is designed like a bush and is provided with elastic contact fingers, so that the second arcing contact piece 10 in the switched-on state outer shell on the bolt-shaped first arcing contact piece 9 can ascend.
- the second arcing contact piece 10 and the second rated current contact piece 8 are arranged coaxially with each other, wherein the second arcing contact piece 10 is surrounded on the outer shell side of the second rated current contact piece 8, wherein the second rated current contact piece 8 in turn the outer shell side of the hollow cylindrical screen body, which carries a contact element IIb, is embraced.
- the second rated current contact piece 8 and the second arcing contact piece 10 are permanently galvanically contacted with each other, so that these two contact pieces 8, 10 permanently lead the same electrical potential.
- the second rated current contact piece 8 and the second arcing contact piece 10 are connected to each other with angular locking.
- the second rated current contact piece 8 is slidably mounted axially displaceable within the cavity of the hollow cylindrical screen body and electrically conductively connected to the hollow cylindrical screen body.
- a drive rod 13 is provided within the kinematic chain.
- the drive rod 13 is arranged here by way of example linearly displaceable, wherein the shift rod 13 is guided in a fluid-tight manner through the encapsulation housing 1. Via the switching rod 13, a linear movement of the second rated current contact piece 8 and the second arc ⁇ contact piece 10 can be initiated.
- an iso ⁇ lierstoffdüse 14 is provided which is angularly rigid with the second rated current contact piece 8, and the second arcing contact piece 10 degrees.
- the Isolierstoffdüse 14 passes through the switching path of the switching arrangement and protrudes in Rich ⁇ tion of the first switching contact set 3.
- the insulating material 14 is axially displaceable together with the second rated current contact piece 8 and the second arcing contact piece 10. With the insulating nozzle 14, a drive rod 15a, 15b of a transmission is connected.
- the transmission serves to over ⁇ carry a movement of the insulating material 14 and the second rated current contact piece 8 and the second Lichtgen- genWallet foundedes 10 on the first arcing contact piece 9, wherein the linear movement of the insulating material 14 reversed by the gear in their sense of direction and the first arcing contact piece. 9 is transmitted.
- a stationary mounted two-armed lever 16 which is on the one hand driven via a pin 15 located on a drive pin 17a and on the other hand, a movement on a slot which transversely to the direction of movement of the first arcing contact piece 9 he ⁇ stretch can.
- the structure of the transmission is the figure 2 closer. There, the first switching contact set 3 and the second switching contact set 4 are shown.
- the bolt 17, which is attached to a movable to the contact carrier 5 mounted drive rod 15 a, can engage in a first lever arm of the two-armed lever 16.
- the bolt 17 moves during a switching movement in an open fork of the first lever arm of the two-armed lever 16 and pivots the two-armed lever 16 to its stationary mounting.
- a second lever arm of the two-armed lever 16 engages in the oblong hole 18 of the first arcing contact piece 9. Due to the configuration of an oblong hole 18, it is possible to engage a pin of the two-armed lever 16 coupling the second lever arm and the arc contact piece 9 into the slot 18 and thus compensate for an overstroke of the lever 16 and a linear movement of the first arcing contact piece 9 enable.
- Arc contact piece 9 is mounted axially displaceable.
- the support member 19 is electrically conductively connected to the ers ⁇ th contact carrier 5 is connected permanently and electrically conductively connected via a sliding contact with the first electric arc gencript Swiss. 9
- a gear head 20 of the first arcing contact piece 9, in which the slot 18 is arranged, is at the second arcing contact piece 10 opposite end of the first arcing contact piece 9 is arranged ⁇ .
- the gear head 20 is guided linearly displaceable in oppositely ⁇ rich groove-shaped guideways 21 a, 21 b.
- the gear head 20 acts as a scanning element of the guideways 21a, 21b.
- the guide tracks 21a, 21b are each embodied as grooves, so that control via the zuge culinaryi ⁇ gen groove flanks of the guide paths 21a, 21b a transverse guide of the gear head 20 and thus, in cooperation with the socket of the support element 19 is a torsion-linear leadership of the first arcing contact piece 9, where is.
- coupling elements 22a, 22b are arranged on the drive rods 15a, 15b.
- the coupling elements 22a, 22b pivotably connect the drive rods 15a, 15b with drive pins 23, which are displaceably mounted in guideways 24a, 24b.
- the guideways 24a, 24b are designed as scenes (the bearing cheeks by cross-recesses), which are introduced into bearing cheeks 25a, 25b.
- the two bearing ⁇ cheeks 25a, 25b (due to the free-cutting in the figure 2 only a bearing cheek 25b visible) are gegentechnisch formed from ⁇ .
- the bearing cheeks 25a, 25b serve as a transmission chassis of the transmission, for example, position the pivot point of the two-armed lever 16, guide the drive rods 15a, 15b in a linear direction, position the guideways 21a, 21b, 24a, 24b and guide and guide the gearhead 20 of the first arcing contact 9. Moving parts of the transmission are arranged within a recess between the two complementary bearing cheeks 25a, 25b.
- the bearing cheeks 25a, 25b are part of an open transmission chassis. Both the first bearing cheek 25a and the second bearing cheek 25b are bolted to the front side of the first contact carrier 5 (see arrow 26).
- the bearing cheeks 25a, 25b each have one
- Cross-beam which extend over an opening opening of the kavtician of the first contact carrier 5 and spaced from the support member 19, a support of the bearing cheeks 25 a,
- the guideways 24a, 24b are executed in sections transversely to the axis of movement of the insulating ⁇ material nozzle 14 curved so that a deadtime member is formed, which causes a delay in the transmission of movement of the drive rods 15a, 15b on the support arms 28 of the field control electrode.
- FIG. 3 shows a perspective view of the end of the first contact carrier 5 facing away from the second switching contact set 4.
- the web-shaped support element 19 can be seen within a cavity of the first contact carrier 5, which is in a central region (arrow 30) of the in FIG Figure 3 is not visible first arc contact piece 9 interspersed.
- the support element 19 is spanned by the bearing cheeks 25a, 25b which are connected at the end to the first switching contact carrier 5.
- the bearing cheeks 25a, 25b have, at their end facing the first contact carrier 5, a cross-beam in order to set up supporting feet on the end face of the first contact carrier 5.
- the support feet are bolted to the first contact carrier 5, wherein the bearing plates 25a, 25b over the mouth opening of the cavity, in che WEL the first arcing contact piece 9 protrudes, réellere ⁇ CKEN.
- a recess is formed, in which the two-armed lever 16 is mounted and in which the guide tracks 21a, 21b are arranged for the gear head 20 of the first arcing contact piece 9.
- the bearing cheeks 25a, 25b thus form a transmission chassis for the transmission, wherein moving parts of the transmission are held within a recess between the bearing cheeks 25a, 25b.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012211376.2A DE102012211376A1 (en) | 2012-06-29 | 2012-06-29 | switching arrangement |
PCT/EP2013/062674 WO2014001160A1 (en) | 2012-06-29 | 2013-06-19 | Switching arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2850630A1 true EP2850630A1 (en) | 2015-03-25 |
EP2850630B1 EP2850630B1 (en) | 2017-08-02 |
Family
ID=48656044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13729951.7A Active EP2850630B1 (en) | 2012-06-29 | 2013-06-19 | Switching arrangement |
Country Status (5)
Country | Link |
---|---|
US (1) | US9633806B2 (en) |
EP (1) | EP2850630B1 (en) |
CN (1) | CN104380418B (en) |
DE (1) | DE102012211376A1 (en) |
WO (1) | WO2014001160A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107077987B (en) * | 2014-07-22 | 2020-02-28 | 布哈拉特强电有限公司 | Interrupter device with relative double-moving-contact system |
EP3151261B1 (en) * | 2015-10-02 | 2019-06-12 | Siemens Aktiengesellschaft | Cam circuit-breaker for medium and high voltages |
DE102016214221B4 (en) * | 2016-08-02 | 2019-11-21 | Siemens Aktiengesellschaft | Gear housing of a circuit breaker |
JP6824028B2 (en) * | 2016-12-27 | 2021-02-03 | 株式会社日立製作所 | Gas circuit breaker |
CN107658175B (en) * | 2017-09-21 | 2020-08-25 | 中国西电电气股份有限公司 | Arc extinguish chamber for high-voltage circuit breaker |
DE102019214432B4 (en) * | 2019-09-23 | 2024-02-08 | Siemens Energy Global GmbH & Co. KG | Assembly for a high-voltage circuit breaker and corresponding high-voltage circuit breaker |
KR102419038B1 (en) * | 2020-06-04 | 2022-07-08 | 보우제전(주) | Intelligent electromagnetic contactor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3904146A1 (en) | 1989-02-07 | 1990-08-09 | Siemens Ag | METAL-ENCLOSED COMPRESSED GAS CIRCUIT BREAKER WITH A SHIFT ROD |
WO1998032142A1 (en) * | 1997-01-17 | 1998-07-23 | Siemens Aktiengesellschaft | High-voltage power switch with an axially displaceable field electrode |
DE19727850C1 (en) | 1997-06-26 | 1998-09-17 | Siemens Ag | HV circuit breaker with two opposed-drive arc contact pieces |
DE19741660A1 (en) | 1997-01-17 | 1999-03-18 | Siemens Ag | HV circuit breaker with field electrode |
DE19702822C1 (en) * | 1997-01-17 | 1998-03-26 | Siemens Ag | HV circuit breaker with field electrode |
DE102005012930A1 (en) | 2005-03-15 | 2006-09-21 | Siemens Ag | Electrical contact arrangement with a first and a second contact piece |
EP1814132B1 (en) * | 2006-01-31 | 2008-12-17 | ABB Technology AG | Switching chamber for a gas-insulated high voltage circuit-breaker |
EP1879207B1 (en) | 2006-07-12 | 2017-04-19 | ABB Schweiz AG | Rack and pinion gear for a switch |
FR2906929B1 (en) * | 2006-10-09 | 2009-01-30 | Areva T & D Sa | ACTUATION BY CONTACTS OF A DOUBLE MOVEMENT CUT CHAMBER BY AN INSULATING TUBE |
KR101045158B1 (en) * | 2008-12-31 | 2011-06-30 | 엘에스산전 주식회사 | High voltage gas circuit breaker |
EP2325859B1 (en) * | 2009-11-24 | 2013-04-17 | ABB Technology AG | Gas-isolated high voltage switch |
CN201570435U (en) | 2009-12-24 | 2010-09-01 | 上海思源高压开关有限公司 | Double-action arc extinguish chamber structure |
-
2012
- 2012-06-29 DE DE102012211376.2A patent/DE102012211376A1/en not_active Withdrawn
-
2013
- 2013-06-19 WO PCT/EP2013/062674 patent/WO2014001160A1/en active Application Filing
- 2013-06-19 US US14/411,757 patent/US9633806B2/en active Active
- 2013-06-19 CN CN201380030912.7A patent/CN104380418B/en active Active
- 2013-06-19 EP EP13729951.7A patent/EP2850630B1/en active Active
Also Published As
Publication number | Publication date |
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US9633806B2 (en) | 2017-04-25 |
DE102012211376A1 (en) | 2014-04-10 |
CN104380418A (en) | 2015-02-25 |
US20150162149A1 (en) | 2015-06-11 |
CN104380418B (en) | 2017-06-16 |
EP2850630B1 (en) | 2017-08-02 |
WO2014001160A1 (en) | 2014-01-03 |
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