EP1930930A1 - Transmission pour un disjoncteur à haute tension - Google Patents

Transmission pour un disjoncteur à haute tension Download PDF

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Publication number
EP1930930A1
EP1930930A1 EP06405508A EP06405508A EP1930930A1 EP 1930930 A1 EP1930930 A1 EP 1930930A1 EP 06405508 A EP06405508 A EP 06405508A EP 06405508 A EP06405508 A EP 06405508A EP 1930930 A1 EP1930930 A1 EP 1930930A1
Authority
EP
European Patent Office
Prior art keywords
contact
contact piece
transmission
movement
circuit breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06405508A
Other languages
German (de)
English (en)
Other versions
EP1930930B1 (fr
Inventor
Martin Kriegel
Olaf Hunger
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.)
ABB Technology AG
Original Assignee
ABB Technology 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 ABB Technology AG filed Critical ABB Technology AG
Priority to EP06405508.0A priority Critical patent/EP1930930B1/fr
Priority to PCT/EP2007/062479 priority patent/WO2008068135A1/fr
Priority to CN2007800451362A priority patent/CN101548351B/zh
Publication of EP1930930A1 publication Critical patent/EP1930930A1/fr
Priority to US12/479,299 priority patent/US7932476B2/en
Application granted granted Critical
Publication of EP1930930B1 publication Critical patent/EP1930930B1/fr
Not-in-force 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
    • 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
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
    • 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
    • H01H33/02—Details
    • H01H33/42—Driving mechanisms

Definitions

  • the present invention relates to the field of dual power electrical circuit breakers.
  • the invention further relates to a method for opening the contacts of an electrical circuit breaker.
  • Circuit breakers usually have two contact pieces, each with a consumable contact (tulip and pin), which can be separated if necessary. To disconnect either only one contact piece or both contact pieces can be moved.
  • a drive usually drives the tulip, and a gearbox or auxiliary gear transmits the movement of the tulip to the pin.
  • Typical are linear gear with a gear ratio of typically 1: 1, such.
  • the transmission ratio of the transmission is defined as the ratio of a speed of movement of the gear transmitted or generated (output motion, typically movement of the pin) to a speed of movement of a gear driving the drive (drive motion, typically movement of the tulip).
  • transmissions with a non-constant transmission ratio typically require a lot of space. Also, the time course of the transmission ratio of these transmissions is often unsatisfactory.
  • Object of the present invention is to provide an improved dual drive for a circuit breaker.
  • the object is achieved by the electric circuit breaker according to independent claim 1 and by the method for making contact opening of an electric circuit breaker according to independent claim 13.
  • an electrical circuit breaker comprising: a first contact having a first contact, in particular a consumable contact cuff; a second contact piece with a second contact, in particular a consumable contact pin; a drive for moving the first contact piece longitudinally, ie parallel or anti-parallel to, a switching movement axis or switch axis, in particular relative to a housing of the circuit breaker; and a gear for transmitting the movement of the first contact piece to a movement of the second contact piece.
  • the gearbox has: a first lever, a pivot member pivotable about a pivot axis, and a transmission mechanism for transmitting pivotal movement of the pivot member to movement of the second contact.
  • the first lever is articulated with a hinge to the first contact piece and hinged with a sliding joint to the pivot member.
  • the thrust joint defines a fixed angular relationship between the first lever and the pivot member such that rotational movement of the first lever pivots the pivot member while a thrust movement of the first lever does not pivot the pivot member.
  • the hinges are preferably pure hinges, ie they do not allow relative thrust between the hinged parts.
  • the thrust joint preferably defines a thrust axis which intersects the pivot axis.
  • a method for contact opening of an electrical circuit breaker comprises a first contact piece with a first burnup contact, a second contact piece with a second burnup contact, a drive for moving the first contact piece along a switch axis and a transmission for moving the second contact piece, wherein the transmission has a first lever, which with a Swivel joint is articulated to the first contact piece, and comprises a pivoting element which is pivotable about a pivot axis.
  • the method comprises the following steps: the first lever is moved by the movement of the first contact piece, wherein the movement of the first lever is preferably a rotational movement about the pivot axis and thus superimposed a thrust movement; the pivot member is pivoted by the movement, and preferably by the rotational movement, of the first lever about the pivot axis; and the pivoting movement of the pivoting member is transmitted by a transmission mechanism to a movement of the second contact piece, preferably to a longitudinal movement along the switching movement axis or switch axis.
  • the first lever is articulated with a hinge to the first contact piece and / or articulated with a sliding joint to the pivot member.
  • the circuit breaker further features, which are described in claims 1 to 12.
  • the invention also relates to a circuit breaker for carrying out the disclosed method.
  • the invention is further directed to methods according to which the respective circuit breaker described work.
  • Fig. 1 shows a first embodiment of a circuit breaker according to the invention.
  • the circuit breaker comprises a first contactor 10 having a first consumable contact (not shown), which is typically configured as a tulip, and a second contactor 20 having a second consumable contact (not shown), which is typically configured as a pin.
  • the Abbrandcarde and other elements of the circuit breaker, not shown, such as extinguishing devices for an arc by a protective gas, are designed in the usual way.
  • sliding elements or tie rods or push rods 14, 24 are shown, which are connected in a suitable manner with the AbbrandWalleten or generally to be switched contacts of the switch.
  • the contact pieces 10, 20 are typically longitudinal, ie parallel or antiparallel, movable to a switch axis or switching movement axis 3 by being mounted on rails or in plain bearings.
  • the power switch further comprises an auxiliary gearbox or gearbox 2.
  • the gearbox 2 has a first lever 30, a pivoting element 50, and a second lever 40.
  • the first lever 30 is articulated with a rotary joint 31 to the first contact piece 10, and articulated with a sliding joint 35 or rotary sliding joint 35 to the pivot member 50.
  • the pivoting element 50 is pivotably mounted about a pivot axis 56 with a pivot joint 55.
  • the hinge 55 is advantageous to a stationary part of the circuit breaker, z. B. on its housing attached.
  • the pivot axis 56 is stationary, for example, relative to the housing of the circuit breaker.
  • the pivot axis 56 should be aligned perpendicular to the switch axis 3 in the rule.
  • the pivot axis 56 is laterally offset from the switch axis 3 at a distance d.
  • the pivot axis 56 in a laterally offset position between the switch axis 3 and the first contact piece 10, ie. As in Fig. 1 shown offset upwards, arranged.
  • the articulation 35 defines a fixed angular relationship between the lever 30, i. between an axis defined by the lever 30 and its longitudinal extension, and the pivoting element 50.
  • the pivoting element 50 is thus entrained by a rotational movement of the lever 30 at a constant relative angle and thus pivotable. A pushing movement of the lever 30 along a thrust axis of the sliding joint 35, however, does not pivot the pivoting element 50.
  • the first lever 30 on a cylindrical or pestle-shaped end which is slidably mounted in the sliding joint 35 can also be the entire first lever 30 is cylindrical and in particular have a round cross-section.
  • the first lever 30 could also be another, z. B. have rectangular cross-section.
  • the sliding joint 35 then has a bore and in particular sliding surface or cylindrical guide of appropriate shape, so that a good positive contact for transmitting the rotational movement of the first lever 30 is effected on the pivot member 50.
  • the sliding joint 35 is advantageously arranged so that the thrust axis is perpendicular to the pivot axis 56, and / or that the thrust axis intersects the pivot axis 56; however, this is not mandatory.
  • the thrust axis is perpendicular to the pivot axis 56.
  • the second lever 40 is pivotally connected to the swivel element 50 by means of a swivel joint 45 eccentrically to the swivel axis 56 and is rotatably connected to the second contact piece 20 by means of a further swivel joint 42.
  • the second lever 40 thereby forms a transmission mechanism 40 for transmitting a pivotal movement of the pivot member 50 about the pivot axis 56 to a longitudinal movement of the second contact piece 20th
  • Fig. 1 shows the circuit breaker in a closed state in which the Abbrandcarde the two contact pieces 10, 20 are in electrical contact with each other.
  • the first contact piece 10 can be moved by a drive (not shown) along the switch axis 3 to the left.
  • the transmission 2 can transmit this movement of the first contact piece 10 to an opposite movement with non-linear transfer characteristic for the second contact piece 20 to the right.
  • the lever 30 is first pushed by the movement of the first contact piece 10 to the left into the sliding joint 35, so that the distance between the pivot 31 and the sliding joint 35 is shortened. Simultaneously, the lever 30 is rotated counterclockwise.
  • the pivot member 50 Since the thrust joint 35 defines a fixed angular relationship between the lever 30 and the pivot member 50, the pivot member 50 is also pivoted about the pivot axis 56 in the counterclockwise direction. The pivoting movement of the pivoting element 50 is then transmitted by the lever 40 to a longitudinal movement of the second contact piece 20 along the switch axis 3 to the right. The movement of the second contact piece 20 is thus opposite to the movement of the first contact piece 10, ie directed to the right, so that the relative speed between the contact pieces 10 and 20 is increased by the additional movement, which is transmitted by the transmission 2 to the second contact piece 20.
  • the lever 30 performs both a sliding and a rotating movement relative to the pivot axis 56.
  • the lever 30 is pushed into the sliding joint 35, and rotated only by a relatively small amount.
  • the rotational movement of the lever 30 increases gradually relative to the longitudinal movement of the first contact 10 whereas the sliding movement of the lever 30 decreases until the pivot 31 is vertically above the pivot 55.
  • only a rotating movement and no sliding movement of the lever 30 takes place. If the first contact piece 10 is moved even further to the left, the lever 30 is pulled out of the sliding joint 35 again, and the rotating movement of the lever 30 gradually decreases again.
  • Fig. 3 shows a hub-stroke diagram, wherein stroke equal to the distance covered movement distance of the contact pieces 10, 20 and the associated contacts referred.
  • the diagram shows the lift curve 60, ie the stroke of the second contact piece 20 in mm (contact 2, vertical axis) as a function of the stroke of the first contact piece 10 in mm (contact 1, horizontal axis).
  • the transmission ratio of the transmission 2 is given by the derivation of the lift curve 60.
  • the stroke curve 60 shows that the transmission ratio is variable or not constant during a switching operation of the power switch, ie varies depending on the position of the contact pieces 10, 20 or the rotational position of the pivoting element 50.
  • a first phase 61 the stroke of the second contact piece 20 hardly changes, ie the transmission ratio of the transmission 2 is approximately zero or small.
  • This phase 61 corresponds to the in Fig. 1 illustrated state in which the lever 30 is pushed mainly into the sliding joint 35 and rotated only by a relatively small amount.
  • the transmission ratio of the transmission 2 ie the slope of the lifting cam 60, large and in particular passes through a maximum when the pivot 31 is positioned vertically above the sliding joint 55.
  • This phase 62 corresponds to the state in which almost exclusively a rotating movement and hardly a sliding movement of the lever 30 takes place.
  • a subsequent third phase 63 the transmission ratio of the transmission 2 decreases again.
  • the time at which the physical contact between the first and second burnup contacts is disconnected and to which an arc occurs is after the first phase 61, and thus in the second phase 62.
  • the transmission 2 has a substantially larger one Gear ratio as at the beginning of the movement, ie when fully closed circuit breaker.
  • the transmission ratio of the transmission 2 in separating the contact may be greater by a factor greater than 2: 1 or even greater than 5: 1.
  • a maximum transmission ratio is reached only when the contacts are disconnected. It is generally advantageous that the maximum transmission ratio is greater than 1: 1, preferably greater than 1.5: 1, and more preferably greater than 2: 1.
  • the period between the physical separation or contact separation of the consumable contacts and the release of an insulating nozzle to extinguish the arc is selected to include the second phase 62, or at least part of the high gear ratio lift curve. It is therefore advantageous that the transmission ratio of the transmission 2 in the second phase 62 and / or between the contact separation of the AbbrandWallete and the release of the insulating nozzle for extinguishing the arc constantly above the value 1: 1, preferably above the value 1.5: 1, and more preferably above the value 2: 1 is selected. As a result, a high relative speed between the contact pieces 10 and 20 can be achieved in this entire period.
  • the transmission ratio of the transmission 2 is limited in other than the above periods, yet the entire stroke of the contact pieces 10 and 20 can be kept low. Therefore, the quick pen movement, in particular, a gear ratio greater than 2: 1 or 1.5: 1 or 1: 1, can be limited to the period between contact separation and nozzle enable moment, and the power switch can be made compact at the same time. Due to the initially low transmission ratio can also be the period in which the first contact piece 10 must be accelerated by the drive, be separated from the period in which the second contact piece 20 is accelerated via the transmission 2 by the drive. Thus, the drive load can be distributed over a longer period, and load peaks for the drive can be reduced. As a result, the drive can be made weaker or a higher acceleration of the contacts or burned contact can be achieved.
  • Fig. 2 shows a second inventive circuit breaker. In it are opposite Fig. 1 the same or similar parts with the same reference numerals. Unlike the transmission of Fig. 1 has the transmission 2 of Fig. 2 no second lever 40. Instead, the transmission mechanism for transmitting a pivotal movement of the pivot member 50 is formed on a movement of the second contact piece 20 by a gear 47 and a rack 48.
  • the gear 47 is fixed to the pivot member 50 so that it is pivotally mounted or rotatable together with the pivot member 50 about the pivot axis 56. It has an axis of rotation which lies on the pivot axis 56.
  • the rack 48 is mitbewegbar with the second contact piece 20 and attached thereto. The gear 47 is engaged with the rack 48 and drives it when needed.
  • Fig. 2 illustrates that the transmission of the inventive circuit breaker with any known transmission mechanism 40; 47, 48 may be provided for transmitting a pivoting movement of the pivoting element 50 to a movement of the second contact piece 20.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP06405508.0A 2006-12-06 2006-12-06 Transmission pour un disjoncteur à haute tension Not-in-force EP1930930B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06405508.0A EP1930930B1 (fr) 2006-12-06 2006-12-06 Transmission pour un disjoncteur à haute tension
PCT/EP2007/062479 WO2008068135A1 (fr) 2006-12-06 2007-11-19 Transmission pour commutateur électrique de puissance
CN2007800451362A CN101548351B (zh) 2006-12-06 2007-11-19 用于电断路器的传动装置
US12/479,299 US7932476B2 (en) 2006-12-06 2009-06-05 Transmission for an electrical circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405508.0A EP1930930B1 (fr) 2006-12-06 2006-12-06 Transmission pour un disjoncteur à haute tension

Publications (2)

Publication Number Publication Date
EP1930930A1 true EP1930930A1 (fr) 2008-06-11
EP1930930B1 EP1930930B1 (fr) 2013-08-28

Family

ID=37814335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06405508.0A Not-in-force EP1930930B1 (fr) 2006-12-06 2006-12-06 Transmission pour un disjoncteur à haute tension

Country Status (4)

Country Link
US (1) US7932476B2 (fr)
EP (1) EP1930930B1 (fr)
CN (1) CN101548351B (fr)
WO (1) WO2008068135A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343720A1 (fr) 2010-01-12 2011-07-13 ABB Technology AG Commutateur à haute tension isolé du gaz
US9627155B2 (en) 2012-12-20 2017-04-18 Abb Schweiz Ag Electrical switching device with a triple motion contact arrangement

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8718968B2 (en) * 2010-08-31 2014-05-06 Abb Technology Ag Circuit breaker interrupter travel curve estimation
WO2014121483A1 (fr) * 2013-02-07 2014-08-14 厦门华电开关有限公司 Mécanisme de transmission de commutateur et commutateur de puissance
CN106461725B (zh) * 2014-09-29 2020-06-26 Abb瑞士股份有限公司 用于监测断路器的方法和设备
JP6824028B2 (ja) * 2016-12-27 2021-02-03 株式会社日立製作所 ガス遮断器
CN108550337B (zh) * 2018-06-13 2023-12-29 深圳市深科达智能装备股份有限公司 模组自动点灯治具载台
CN109599293B (zh) * 2018-12-20 2020-10-23 河南平高电气股份有限公司 一种间歇传动装置及开关电器用操动机构

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478980A (en) 1994-04-05 1995-12-26 Abb Power T&D Company, Inc. Compact low force dead tank circuit breaker interrupter
EP0696040A1 (fr) 1994-08-01 1996-02-07 ABB Management AG Interrupteur à gaz imprimé
EP0809269A2 (fr) 1996-05-24 1997-11-26 Siemens Aktiengesellschaft Disjoncteur haute tension avec deux pièces de contact entraînées
EP0822565A2 (fr) 1996-08-01 1998-02-04 AEG Energietechnik GmbH Disjoncteur électrique à gaz comprimé
DE19730583A1 (de) * 1996-08-01 1998-02-05 Aeg Energietechnik Gmbh Druckgasschalter
EP0992050A1 (fr) 1997-06-26 2000-04-12 Siemens Aktiengesellschaft Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee
DE10003359C1 (de) 2000-01-21 2001-07-19 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Lichtbogenkontaktstücken und einem Heizraum
EP1211706A1 (fr) 2000-11-30 2002-06-05 Schneider Electric High Voltage SA Appareillage de coupure électrique haute tension à double mouvement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683383B1 (fr) * 1991-11-04 1993-12-31 Gec Alsthom Sa Disjoncteur a haute ou moyenne tension a triple mouvement.
FR2738389B1 (fr) * 1995-08-31 1997-10-24 Schneider Electric Sa Disjoncteur hybrique a haute tension
US6177643B1 (en) * 1997-01-17 2001-01-23 Siemens Aktiengeselleschaft High-voltage circuit-breaker having an axially displaceable field electrode
FR2769403B1 (fr) * 1997-10-02 1999-11-12 Gec Alsthom T & D Sa Interrupteur a gaz comprime avec un engrenage a cremailleres
DE19850396A1 (de) * 1998-11-02 2000-05-04 Asea Brown Boveri Leistungsschalter
DE29901205U1 (de) * 1999-01-15 1999-05-12 Siemens AG, 80333 München Hochspannungsleistungsschalter, insbesondere Druckgasleistungsschalter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478980A (en) 1994-04-05 1995-12-26 Abb Power T&D Company, Inc. Compact low force dead tank circuit breaker interrupter
EP0696040A1 (fr) 1994-08-01 1996-02-07 ABB Management AG Interrupteur à gaz imprimé
EP0809269A2 (fr) 1996-05-24 1997-11-26 Siemens Aktiengesellschaft Disjoncteur haute tension avec deux pièces de contact entraînées
EP0822565A2 (fr) 1996-08-01 1998-02-04 AEG Energietechnik GmbH Disjoncteur électrique à gaz comprimé
DE19730583A1 (de) * 1996-08-01 1998-02-05 Aeg Energietechnik Gmbh Druckgasschalter
EP0992050A1 (fr) 1997-06-26 2000-04-12 Siemens Aktiengesellschaft Sectionneur de puissance haute tension a pieces de contact d'arc actionnables de maniere opposee
DE10003359C1 (de) 2000-01-21 2001-07-19 Siemens Ag Hochspannungs-Leistungsschalter mit zwei antreibbaren Lichtbogenkontaktstücken und einem Heizraum
EP1211706A1 (fr) 2000-11-30 2002-06-05 Schneider Electric High Voltage SA Appareillage de coupure électrique haute tension à double mouvement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343720A1 (fr) 2010-01-12 2011-07-13 ABB Technology AG Commutateur à haute tension isolé du gaz
US9627155B2 (en) 2012-12-20 2017-04-18 Abb Schweiz Ag Electrical switching device with a triple motion contact arrangement

Also Published As

Publication number Publication date
EP1930930B1 (fr) 2013-08-28
CN101548351B (zh) 2013-03-06
WO2008068135A1 (fr) 2008-06-12
US7932476B2 (en) 2011-04-26
US20090266795A1 (en) 2009-10-29
CN101548351A (zh) 2009-09-30

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