EP0992050A1 - Hochspannungs-leistungsschalter mit zwei entgegengesetzt antreibbaren lichtbogenkontaktstücken - Google Patents
Hochspannungs-leistungsschalter mit zwei entgegengesetzt antreibbaren lichtbogenkontaktstückenInfo
- Publication number
- EP0992050A1 EP0992050A1 EP98942481A EP98942481A EP0992050A1 EP 0992050 A1 EP0992050 A1 EP 0992050A1 EP 98942481 A EP98942481 A EP 98942481A EP 98942481 A EP98942481 A EP 98942481A EP 0992050 A1 EP0992050 A1 EP 0992050A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control lever
- contact piece
- arcing contact
- coupling rod
- pin
- 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
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000003813 thumb Anatomy 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
- H01H33/24—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
- H01H33/02—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
- H01H33/70—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 is in the field of high-voltage circuit breakers and is to be used in the structural design of the drive mechanism with which the auxiliary contacts used for arc quenching are driven in opposite directions to one another.
- circuit breakers of this type the two auxiliary contacts, which are often referred to as arcing contact pieces and are coaxially opposed to one another, are coaxially surrounded by the two continuous current contact pieces, one of which is arranged in a fixed manner and the other is axially drivable.
- Circuit breakers of this type generally work with a gaseous extinguishing agent which flows through the separation area of the contact pieces in the switching case and the flow of which can be influenced by special pressure chambers and nozzles.
- an insulating nozzle which is arranged within the continuous current contact pieces and surrounds the arcing contact pieces and which is firmly connected both to the drivable continuous current contact piece and to the driven arcing contact piece.
- a drive element is attached to the insulating material nozzle, which also transmits the drive movement of the driven continuous current contact piece to the second arcing contact piece by means of a deflection gear, in such a way that the two arcing contact pieces are in opposite directions are driven.
- the second arcing contact piece is guided in a sliding contact.
- the drive element is as Rack formed which via a toothed wheel on the newly ⁇ if acting as a rack formed second arcing contact piece ⁇ . The drive movement of the insulating material nozzle is linearly transmitted to the oppositely driven second arcing contact piece.
- a locking mechanism with a locking mechanism that is moved by the driven contact pieces and a tensioning part that has a compression spring, which drives the oppositely moving arcing contact piece after triggering a pawl of the locking mechanism can also be used as a deflecting gear.
- a thrust crank can also be used as the deflecting gear, the rotating part of which is formed by the gearwheel which can be driven by the toothed rack connected to the insulating material nozzle (EP 0 696 040 AI).
- the linear movement of the rack is transmitted sinusoidally to the second arcing contact.
- the known deflection gears either provide a rigid coupling of the second, oppositely driven arcing contact piece to the complete lifting movement of the first driven arcing contact piece, or only a temporary coupling by means of an inaccurately operating locking mechanism.
- the invention is therefore based on the object of designing the deflecting gear so that with a permanent positive connection between the driving first arcing contact piece and the oppositely driven second arcing contact piece, a drive of the second arcing contact piece on only part of the Switching stroke of the driving first contact piece enables and during the drive phase the opposite driven second arcing contact piece at a predeterminable point can run through a pronounced maximum speed.
- the rod-like drive element consists of a coupling rod with a pin arranged transversely to the direction of thrust and that the deflecting gear has a two-armed, two stable end positions control lever, the two ends of which one for the backdrop-like guidance of the pin designed fork-like and the other end is articulated via a pendulum element to the second arcing contact.
- This pendulum element can be a connecting rod or a pin which engages in an elongated hole on the second arcing contact piece.
- Such a configuration of the deflection gear is characterized by the use of fewer, simpler and lighter parts, so that the deflection gear has a low mass and is a self-contained assembly which can be made flat and therefore which is in the fixed continuous current contact Switching flow of the insulating gas (exhaust gas) is not impeded.
- the deflection gear also has a changing transmission ratio during the actuation process, which is designed in the manner of a sine half-wave and can be more than 1: 1 in maximum, ie the oppositely driven second arcing contact piece can during the decisive phase of the switch-off process (phase of Contact separation and the increasing contact distance) can be moved at a higher speed than the first arcing contact piece.
- the deflection gear is expediently designed in such a way that the coupling rod is guided in a guide track attached to the fixed continuous current contact, so that the fulcrum of the two-armed control lever between the thrust rod and the axis of the second arcing contact piece and is also connected to the fixed continuous current contact piece, that the two-armed control lever in its stable end positions extends obliquely to the push rod and to the axis of the second arcing contact piece, that in addition the fork-shaped end of the control lever between the two prongs is provided with an elongated, mouth-like recess and that the further pin arranged at the other end of the control lever is also arranged transversely to the direction of thrust of the coupling rod, the slot in which this pin engages is located in a head part arranged on the second arcing contact piece, the is in turn guided axially in the slide bearing connected to the fixed part of the sliding contact.
- the push rod has a slideway with a the pivoting range of the fork-shaped end of the control lever releasing recess is provided, and the two prongs of the fork-shaped end of the control lever are to be provided on the outside with flats for the control lever to rest on the bottom of the push rod in the two end positions of the control lever.
- FIG. 1 to 5 shown. It shows
- FIG 1 shows the assignment of the deflection gear to the fixed continuous current contact piece of the
- Figure 2 shows a cross section through the deflection device and Figures 3 to 5, the deflection gear in two intermediate positions and the other end position of the control lever.
- Figure 1 shows a section of EP 2 313 813 B1, in part, of the fixed continuous current contact 5 of a high-voltage circuit breaker, into which the axially drivable continuous current contact piece 4 with the insulating nozzle 8 attached thereto and the first, axially drivable arcing contact piece 9 protrude.
- the figure shows in the lower half the switch-on position of the drivable continuous current contact piece 4 and in the upper half the position of the insulating nozzle 8 in the switch-off position. - In the switched-on position, the insulating nozzle 8 also surrounds the oppositely driven second arcing contact piece 7.
- the rod-like drive element 27 is fastened to the insulating nozzle 8, which is not designed here as a toothed rack but as a coupling rod and for driving a deflecting gear has a pin 28, which is transverse to Thrust direction of the coupling rod 27 provided with a U-shaped cross section is arranged.
- the coupling rod can also be L-shaped or T-shaped
- the second clock Lichtbogenkon ⁇ piece 7 is provided facing away from the end with a flat head 13 at its switching path of the arc, which is guided in two bearing cheeks 31 formed by the slideways 35 of the housing 30th -
- the flat head 13 is provided with an elongated hole 12 extending vertically to the coupling rod 27.
- a two-armed control lever 10 is mounted on an axis 38 that runs vertically to the plane of the drawing, which is fork-shaped at one end and is provided with a pin 11 at its other end.
- the pin 11 engages in the slot 12 on the head 13.
- the fork-side end has two prongs 16 and 17 which enclose a mouth-like opening 18 into which the pin 28 of the coupling rod 27 can engage.
- the two tines 16 and 17 are provided on the outside with a contact surface 19 and 20, with which the control lever 10 - depending on its position - comes to rest against the bottom 34 of the U-shaped cross-sectional profile of the coupling rod 27. Stops 36 and 37 in the housing 30 ensure that the control lever 10 remains in the respective contact position.
- the two contact positions represent end positions between which the control lever 10 is moved under the action of the pin 28.
- the coupling rod 27 is provided in the bottom 34 of the U-shaped cross section with an elongated slot 29.
- the coupling rod passes through 27 and thus the pin 28, starting functions from that shown in Figure 1 position continuously different INTERMED, of which Figures 2 and 3 are those of the head 13 and thus the associated opposite to ⁇ driven arcing contact piece 7 shortly before and shortly after reaching the maximum speed, and
- FIG. 5 shows the other end position of the control lever 10. Following the position according to FIG. 5, the coupling rod can move further to the left without the control lever 10 changing its position.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Circuit Breakers (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19727850 | 1997-06-26 | ||
| DE19727850A DE19727850C1 (de) | 1997-06-26 | 1997-06-26 | Hochspannungs-Leistungsschalter mit zwei entgegengesetzt antreibbaren Lichtbogenkontaktstücken |
| PCT/DE1998/001822 WO1999000814A1 (de) | 1997-06-26 | 1998-06-26 | Hochspannungs-leistungsschalter mit zwei entgegengesetzt antreibbaren lichtbogenkontaktstücken |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0992050A1 true EP0992050A1 (de) | 2000-04-12 |
| EP0992050B1 EP0992050B1 (de) | 2002-02-27 |
Family
ID=7834157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98942481A Expired - Lifetime EP0992050B1 (de) | 1997-06-26 | 1998-06-26 | Hochspannungs-leistungsschalter mit zwei entgegengesetzt antreibbaren lichtbogenkontaktstücken |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6271494B1 (de) |
| EP (1) | EP0992050B1 (de) |
| BR (1) | BR9811270B1 (de) |
| DE (2) | DE19727850C1 (de) |
| WO (1) | WO1999000814A1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1930930A1 (de) | 2006-12-06 | 2008-06-11 | ABB Technology AG | Getriebe für elektrischen Leistungsschalter |
| US9543081B2 (en) | 2013-01-24 | 2017-01-10 | Alstom Technology Ltd | Electrical apparatus with dual movement of contacts comprising a return device with two levers |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29901205U1 (de) * | 1999-01-15 | 1999-05-12 | Siemens AG, 80333 München | Hochspannungsleistungsschalter, insbesondere Druckgasleistungsschalter |
| DE10013233C2 (de) * | 2000-03-13 | 2002-03-07 | Siemens Ag | Elektrischer Leistungsschalter |
| DE10054554B4 (de) * | 2000-11-01 | 2006-06-14 | Siemens Ag | Hochspannungs-Leistungsschalter mit mehreren Schaltpolen |
| EP2325859B1 (de) * | 2009-11-24 | 2013-04-17 | ABB Technology AG | Gasisolierter Hochspannungsschalter |
| DE102011078483A1 (de) | 2011-06-30 | 2013-01-03 | Siemens Aktiengesellschaft | Elektrisches Schaltgerät |
| DE102012200238A1 (de) * | 2012-01-10 | 2013-07-11 | Siemens Aktiengesellschaft | Elektrisches Schaltgerät |
| DE102012211376A1 (de) * | 2012-06-29 | 2014-04-10 | Siemens Aktiengesellschaft | Schaltanordnung |
| DE102013200918A1 (de) | 2013-01-22 | 2014-07-24 | Siemens Aktiengesellschaft | Schaltgeräteanordnung |
| WO2015029516A1 (ja) | 2013-08-29 | 2015-03-05 | 株式会社日立製作所 | ガス遮断器 |
| DE102013223632A1 (de) | 2013-11-20 | 2015-05-21 | Siemens Aktiengesellschaft | Schaltanordnung sowie Verfahren zur Montage einer Schaltanordnung |
| JP6266448B2 (ja) * | 2014-06-25 | 2018-01-24 | 株式会社日立製作所 | ガス遮断器 |
| JP6364358B2 (ja) | 2015-02-03 | 2018-07-25 | 株式会社日立製作所 | ガス遮断器 |
| JP6685146B2 (ja) | 2016-02-25 | 2020-04-22 | 株式会社日立製作所 | ガス遮断器 |
| 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 |
| JP6824028B2 (ja) * | 2016-12-27 | 2021-02-03 | 株式会社日立製作所 | ガス遮断器 |
| JP2019075194A (ja) * | 2017-10-12 | 2019-05-16 | 株式会社日立製作所 | ガス遮断器 |
| DE102019214432B4 (de) * | 2019-09-23 | 2024-02-08 | Siemens Energy Global GmbH & Co. KG | Baugruppe für einen Hochspannungs-Leistungsschalter und entsprechender Hochspannungs-Leistungsschalter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1690093B1 (de) * | 1967-11-24 | 1971-10-14 | Siemens Ag | Motorantrieb fuer elektrische schalter mit einer auf einer spindel laufenden wandermutter |
| FR2491675A1 (fr) | 1980-10-07 | 1982-04-09 | Alsthom Atlantique | Dispositif de coupure a double mouvement des contacts |
| CH675175A5 (de) * | 1987-10-27 | 1990-08-31 | Bbc Brown Boveri & Cie | |
| DE4427163A1 (de) * | 1994-08-01 | 1996-02-08 | Abb Management Ag | Druckgasschalter |
| DE59802323D1 (de) * | 1997-01-17 | 2002-01-17 | Siemens Ag | Hochspannungs-leistungsschalter mit einer axial verschiebbaren feldelektrode |
-
1997
- 1997-06-26 DE DE19727850A patent/DE19727850C1/de not_active Expired - Lifetime
-
1998
- 1998-06-26 EP EP98942481A patent/EP0992050B1/de not_active Expired - Lifetime
- 1998-06-26 BR BRPI9811270-8A patent/BR9811270B1/pt not_active IP Right Cessation
- 1998-06-26 DE DE59803205T patent/DE59803205D1/de not_active Expired - Lifetime
- 1998-06-26 US US09/446,778 patent/US6271494B1/en not_active Expired - Lifetime
- 1998-06-26 WO PCT/DE1998/001822 patent/WO1999000814A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9900814A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1930930A1 (de) | 2006-12-06 | 2008-06-11 | ABB Technology AG | Getriebe für elektrischen Leistungsschalter |
| US9543081B2 (en) | 2013-01-24 | 2017-01-10 | Alstom Technology Ltd | Electrical apparatus with dual movement of contacts comprising a return device with two levers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59803205D1 (de) | 2002-04-04 |
| US6271494B1 (en) | 2001-08-07 |
| DE19727850C1 (de) | 1998-09-17 |
| BR9811270A (pt) | 2000-07-18 |
| BR9811270B1 (pt) | 2010-07-13 |
| WO1999000814A1 (de) | 1999-01-07 |
| EP0992050B1 (de) | 2002-02-27 |
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