WO2006067936A1 - 接地開閉装置付きガス絶縁開閉装置 - Google Patents
接地開閉装置付きガス絶縁開閉装置 Download PDFInfo
- Publication number
- WO2006067936A1 WO2006067936A1 PCT/JP2005/021870 JP2005021870W WO2006067936A1 WO 2006067936 A1 WO2006067936 A1 WO 2006067936A1 JP 2005021870 W JP2005021870 W JP 2005021870W WO 2006067936 A1 WO2006067936 A1 WO 2006067936A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- movable electrode
- fixed
- closing
- main circuit
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact
Definitions
- the present invention relates to a gas insulated switchgear, and more particularly to a gas insulated switchgear having a ground switchgear.
- FIG. 6 is a front view of a conventional gas-insulated switchgear with a ground switchgear as a conventional switchgear having a structure shown in FIG. 6 (see, for example, Non-Patent Document 1).
- reference numeral 18 denotes a main circuit opening / closing movable electrode, and when the insulating lever 19 is rotated, the main circuit opening / closing movable electrode 18 is inserted into the main circuit opening / closing fixed electrode 3 to be in a closed state.
- Reference numeral 20 denotes a ground opening / closing movable electrode which is engaged with the ground opening / closing fixed electrode 21 attached to the main circuit opening / closing fixed electrode 3 by rotating around the ground opening / closing movable electrode rotating shaft 20a.
- the conventional gas-insulated switchgear with a grounding switchgear has a main circuit switching mechanism and a grounding switching mechanism separately.
- the opening position force is also applied to the other fixed electrode by the opening / closing operation, or from the opening position to the grounding opening / closing operation to the grounding movable electrode provided on the movable body.
- a switch grounding device including a second opening member that allows only one of the operations and locks the other operations (see, for example, Patent Document 1).
- Non-Patent Document 1 "Yaskawa Electric No. 52" July 10, 1988, p.91 Fig. 9
- Patent Document 1 Japanese Patent Publication No. 7-85373
- the present invention has been made in view of such problems, and has a single open / close mechanism for opening / closing a main circuit and an open / close mechanism for opening / closing a ground, thereby achieving compactness and a movable electrode for opening / closing a ground.
- Another object of the present invention is to provide a gas-insulated switchgear with a grounding switchgear that can be moved at high speed by a switchgear mechanism.
- the present invention is configured as follows.
- the invention according to claim 1 is a sealed container filled with an insulating gas, a fixed electrode for opening and closing a main circuit fixed to the sealed container, a movable electrode in contact with the fixed electrode for opening and closing the main circuit, and energization
- a ground switching device that opens and closes the main circuit by driving the movable electrode, the grounding switching fixed electrode and the fixed circuit electrode for switching the main circuit.
- the grounding open / close fixed electrode are linearly arranged in the longitudinal direction of the movable electrode, and the driving device linearly drives the movable electrode to three positions: a closed position, an open position, and a ground position. It is something to be held.
- the invention according to claim 2 is characterized in that the driving device drives the movable electrode, an insulating link, a driving shaft that turns the insulating link, and a positioning cam that is fixed to the driving shaft and performs the above three positionings.
- the opening / closing mechanism for opening / closing the main circuit and the opening / closing mechanism for opening / closing the ground are combined into one, the opening / closing device is compactly installed. be able to.
- FIG. 1 is a side sectional view showing a main circuit portion of a gas insulated switchgear with a ground switchgear according to the present invention.
- Figure 2 Top view of Figure 1
- FIG. 5 Fig. 1 Partial enlarged view showing details of the operation mechanism (grounding state)
- FIG. 6 Front view showing an overview of a conventional gas-insulated switchgear with a ground switchgear.
- FIG. 1 is a side sectional view of a main circuit portion of a gas insulated switchgear with a ground switchgear according to the present invention
- FIG. 2 is a top view of FIG. Both the main circuit and the earthing switch show the open state.
- 1 is a movable electrode
- 2 is a current-carrying block
- 3 is a fixed electrode for opening and closing the main circuit (with an arc extinguishing device)
- 4 is a fixed electrode for opening and closing the ground (with an arc-resistant metal)
- 5 is an insulated link
- 6 is a drive It is a shaft.
- the movable electrode 1 has a structure in which arc-resistant metal is fixed to both ends by pressure welding or brazing and moves on a straight line.
- the energization block 2 simultaneously supports the movement of the movable electrode 1 and energization.
- the main circuit open / close fixed electrode 3 is provided with an arc extinguishing device, and performs load current on / off, energization, accident current injection, and accident current energization of the gas insulated switchgear.
- the fixed electrode 4 for earthing switch is a fixed electrode with an arc-proof metal brazed at the tip, and makes an accidental current input to the earthing switch of the gas insulated switchgear and conducts an accidental current.
- the insulating link 5 drives the movable electrode 1 linearly to the closed position of the main circuit opening / closing fixed electrode 3 or the grounding position of the ground opening / closing fixed electrode 4.
- the drive shaft 6 is provided with an insulating link 5 and is rotatably supported.
- 7 is a positioning cam for determining the position of the movable electrode 1, and 8 and 81 are stoppers.
- Reference numeral 9 denotes a hub fixed to the drive shaft 6.
- 91 is a pin fixed to the knob 9 and 92 is a roller rotatably mounted on the pin 91. Two rollers are provided on each of the left and right sides.
- 10 is a driving cam
- 11 is a driving lever
- 12 is an operating shaft for operating the operating mechanism
- 13 is a toggle spring, each of which is provided on the left and right.
- FIG. 3 is a partially enlarged view of the operation mechanism unit that drives the insulating link 5. Both the main circuit and the earthing switch indicate an open circuit state.
- 14 is an overshoot prevention claw
- 15 is an engagement pin
- 16 is an operation mechanism base
- 17 is a claw rotation shaft, one each provided on the left and right except for the operation mechanism base 16. ing.
- the drive cam 10 rotates about the operation shaft 12 and is a roller 92 fixed to the drive shaft 6.
- the drive shaft 6 is rotated by pressing the shaft with its own cam portion.
- the drive lever 11 rotates about the operation shaft 12 and accumulates the toggle spring 13 to release the force, thereby rotating the drive cam 10.
- the overshoot prevention pawl 14 prevents overshoot when the drive shaft 6 is driven from the closed position to the open position or from the grounding position to the open position.
- the engagement pin 15 is a pin for engagement with the overshoot preventing claw 14 disposed on the drive lever 11.
- the operation mechanism base 16 supports operation mechanism components.
- the claw rotating shaft 17 supports the overshoot preventing claw 14 so as to freely rotate.
- Non-Patent Document 1 The difference between the present invention and Non-Patent Document 1 is that the driving device is located in the middle of the movable electrode 1, and the main circuit open / close fixed electrode 3 and the ground open / close fixed electrode 4 linearly on the left and right or above and below the movable electrode 1
- the movable electrode 1 can be driven by a single drive device.
- FIG. 4 is a cross-sectional view of the operation mechanism portion showing the closing operation of FIG. The main circuit is “closed” and the ground breaker is “open”.
- the movable electrode 1 that has reached the closing position is positioned at a predetermined closing position by the positioning cam 7 and the stagger 8 (Fig. 1), and the closing operation is completed.
- the overshoot prevention claw 14a that works to prevent the rotation of the drive cam 10a, that is, the overshoot of the movable electrode 1, is engaged with the drive lever 11a by the engagement pin 15a protruding from the drive lever 11a. .
- the overshoot prevention pawl 14a is attached to the pawl rotating shaft attached to the operating mechanism base 16 (Fig. 2). Rotating about 17a is disengaged from the driving cam 10a, so that the clockwise rotation of the driving cam 10a, that is, the grounding operation is not hindered.
- FIG. 5 is a partially enlarged view showing details of the operation mechanism section.
- the main circuit is “open” and the grounding switch is “closed”.
- the movable electrode 1 that has reached the grounding position is positioned at the predetermined grounding position by the positioning cam 7 and stopper 8 (Fig. 1), and the grounding operation is completed.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002591628A CA2591628A1 (en) | 2004-12-20 | 2005-11-29 | Grounding switch-equipped gas insulation switch device |
| JP2006548749A JP4506757B2 (ja) | 2004-12-20 | 2005-11-29 | 接地開閉装置付きガス絶縁開閉装置 |
| US11/722,198 US7759595B2 (en) | 2004-12-20 | 2005-11-29 | Gas insulating switchgear equipped with grounding switchgear |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-367614 | 2004-12-20 | ||
| JP2004367614 | 2004-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006067936A1 true WO2006067936A1 (ja) | 2006-06-29 |
Family
ID=36601541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/021870 Ceased WO2006067936A1 (ja) | 2004-12-20 | 2005-11-29 | 接地開閉装置付きガス絶縁開閉装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7759595B2 (ja) |
| JP (1) | JP4506757B2 (ja) |
| CA (1) | CA2591628A1 (ja) |
| WO (1) | WO2006067936A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2546850A3 (en) * | 2009-08-12 | 2013-09-04 | Hitachi, Ltd. | Switchgear and method for operating switchgear |
| CN103681026A (zh) * | 2012-09-20 | 2014-03-26 | 株式会社安川电机 | 开关 |
| JPWO2021229736A1 (ja) * | 2020-05-14 | 2021-11-18 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5826379B2 (ja) * | 2012-04-18 | 2015-12-02 | 株式会社日立製作所 | 開閉装置 |
| CN109416987B (zh) * | 2016-07-06 | 2020-06-16 | Abb瑞士股份有限公司 | 用于hv应用的快速接地开关装置 |
| CN109509673B (zh) * | 2019-01-10 | 2023-09-12 | 广东阿尔派电力科技股份有限公司 | 新型等角位移三工位双断口隔离开关 |
| KR102458932B1 (ko) * | 2021-03-02 | 2022-10-26 | 선도전기주식회사 | 가스절연 개폐장치를 위한 레버 기구의 밀폐 구조 |
| EP4089700A1 (en) * | 2021-05-14 | 2022-11-16 | ABB Schweiz AG | Three-position disconnector switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645232U (ja) * | 1992-11-30 | 1994-06-14 | 日新電機株式会社 | 開閉装置用操作装置 |
| JPH087717A (ja) * | 1994-06-17 | 1996-01-12 | Meidensha Corp | 開閉装置の操作機構 |
| JPH11329167A (ja) * | 1998-05-19 | 1999-11-30 | Yaskawa Electric Corp | 開閉器の操作装置 |
| JP2002051416A (ja) * | 2000-08-03 | 2002-02-15 | Toshiba Corp | ガス絶縁開閉器 |
| WO2002067394A2 (en) * | 2001-01-26 | 2002-08-29 | Hitachi Ltd | Gas insulated switchgear |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59158027A (ja) * | 1983-02-28 | 1984-09-07 | 株式会社東芝 | 電気開閉器 |
| JPS60262319A (ja) * | 1984-06-08 | 1985-12-25 | 日本碍子株式会社 | 断路器 |
| JPS61250918A (ja) * | 1985-04-27 | 1986-11-08 | 日本碍子株式会社 | 開閉機器の電動操作装置 |
| JPH0785373B2 (ja) | 1987-04-01 | 1995-09-13 | 中部電力株式会社 | 開閉器における接地装置 |
| JPH0684431A (ja) * | 1992-09-03 | 1994-03-25 | Fuji Electric Co Ltd | 直線形3位置断路器 |
| JPH07320611A (ja) * | 1994-05-23 | 1995-12-08 | Hitachi Ltd | ガス絶縁開閉装置 |
| JP3683089B2 (ja) * | 1997-11-27 | 2005-08-17 | 三菱電機株式会社 | スイッチギヤ |
| JP3861629B2 (ja) * | 2001-07-23 | 2006-12-20 | 株式会社日立製作所 | ガス絶縁開閉装置 |
| JP4352050B2 (ja) * | 2003-12-19 | 2009-10-28 | 三菱電機株式会社 | 断路器 |
| JP2007087836A (ja) * | 2005-09-26 | 2007-04-05 | Hitachi Ltd | 電力用ガス遮断器 |
-
2005
- 2005-11-29 WO PCT/JP2005/021870 patent/WO2006067936A1/ja not_active Ceased
- 2005-11-29 JP JP2006548749A patent/JP4506757B2/ja not_active Expired - Fee Related
- 2005-11-29 US US11/722,198 patent/US7759595B2/en not_active Expired - Fee Related
- 2005-11-29 CA CA002591628A patent/CA2591628A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645232U (ja) * | 1992-11-30 | 1994-06-14 | 日新電機株式会社 | 開閉装置用操作装置 |
| JPH087717A (ja) * | 1994-06-17 | 1996-01-12 | Meidensha Corp | 開閉装置の操作機構 |
| JPH11329167A (ja) * | 1998-05-19 | 1999-11-30 | Yaskawa Electric Corp | 開閉器の操作装置 |
| JP2002051416A (ja) * | 2000-08-03 | 2002-02-15 | Toshiba Corp | ガス絶縁開閉器 |
| WO2002067394A2 (en) * | 2001-01-26 | 2002-08-29 | Hitachi Ltd | Gas insulated switchgear |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2546850A3 (en) * | 2009-08-12 | 2013-09-04 | Hitachi, Ltd. | Switchgear and method for operating switchgear |
| US8710388B2 (en) | 2009-08-12 | 2014-04-29 | Hitachi, Ltd. | Switchgear and method for operating switchgear |
| CN103681026A (zh) * | 2012-09-20 | 2014-03-26 | 株式会社安川电机 | 开关 |
| JP2014063615A (ja) * | 2012-09-20 | 2014-04-10 | Yaskawa Electric Corp | 開閉器 |
| US8987622B2 (en) | 2012-09-20 | 2015-03-24 | Kabushiki Kaisha Yaskawa Denki | Switch |
| CN103681026B (zh) * | 2012-09-20 | 2015-12-02 | 株式会社安川电机 | 开关 |
| JPWO2021229736A1 (ja) * | 2020-05-14 | 2021-11-18 | ||
| JP7362914B2 (ja) | 2020-05-14 | 2023-10-17 | 株式会社東芝 | 負荷時タップ切換器の蓄勢機構および負荷時タップ切換器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7759595B2 (en) | 2010-07-20 |
| JPWO2006067936A1 (ja) | 2008-06-12 |
| US20090250435A1 (en) | 2009-10-08 |
| JP4506757B2 (ja) | 2010-07-21 |
| CA2591628A1 (en) | 2006-06-29 |
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