CN1049532C - Gas insulated switchgear - Google Patents
Gas insulated switchgear Download PDFInfo
- Publication number
- CN1049532C CN1049532C CN96100590A CN96100590A CN1049532C CN 1049532 C CN1049532 C CN 1049532C CN 96100590 A CN96100590 A CN 96100590A CN 96100590 A CN96100590 A CN 96100590A CN 1049532 C CN1049532 C CN 1049532C
- Authority
- CN
- China
- Prior art keywords
- vacuum valve
- main circuit
- insulated switchgear
- gas
- switch
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A gas insulated switchgear device, a main circuit bus between phases of a vacuum valve, passing through the switch unit so that it may go along the side of the vacuum valve. By this method, the longitudinal length of the switch unit, in other words, the length in the closing/opening direction of the vacuum valve can be shortened and thereby the size of a gas insulated switchgear which formed by insert switch in a gas insulated container, can be made small.
Description
The present invention relates to gas-insulated switchgear device, the gas-insulated switchgear device that a plurality of switch element became of particularly in the gas sealed container that has encapsulated insulating properties gas, packing into.
Fig. 6 represents the front view of the switch element structure that the air seal device of gas-insulated switchgear device in the past is interior.In Fig. 6, the 1st, vacuum valve, 1a is the vacuum valve stiff end, 1b is the vacuum valve movable end, the 2nd, the fixed conductor of when fixing vacuum valve 1, switching on together, the 3rd, the main circuit bus, be fixed on the fixed conductor 2, the 4th, support insulator, carry out electric insulation, the 5th, insulating bar, an end are fixed on vacuum valve movable end 1b and go up, with pin 7 other end are connected on the vacuum valve operating axis 6.
The 8th, we opens spring, with bolt etc. the stiff end of downside is connected on the framework 9 of airtight container, and movable end is connected on the vacuum valve operating axis 6 with pin 10, the 11st, flexible conductor, an end are fixed on the vacuum valve movable end 1b, the other end is fixed on the circuit breaker fixed engagement device 12, and the 13rd, insulation supporter insulator, insulation supporter circuit breaker fixed engagement device 12.
The 14th, open circuit and the circuit breaker of earthed switch and be that the center becomes rotation freely with rotating shaft 14a.The 15th, insulating bar, with pin etc. with an end connect circuit breaker 14, the other end is connected on the operating axis 16.The 17th, insulation supporter insulator, insulation supporter circuit breaker 14.The 18th, insulation supporter insulator, insulation supporter main circuit conductor 19.19a is the main circuit conductor end, by insulating sleeve (not shown) etc., be drawn out to the outside from gas sealed container (not shown).The 20th, earth terminal.
The 21st, the switch element of this structure, 22a, 22b are the connection buss that is electrically connected a plurality of switch elements 21 in the framework 9.
Then, action is described.
At first, the action to vacuum valve 1 describes.By means of with operating means (not shown) rotating operation axle 6 on the arrow A direction, by insulating bar 5, the vacuum valve movable end 1b that connects it on the arrow B direction, move, vacuum valve 1 becomes closure state.When this closed action, we opens spring 8 and is compressed, and the energy that is used to disconnect is stored.By means of open command being provided to operating means (not shown), the energy, the vacuum valve operating axis 6 that utilize us to open spring 8 rotate at the rightabout of arrow A, and vacuum valve 1 disconnects action.
Then, the action to circuit breaker 14 describes.By means of with operating means (not shown) rotating operation axle 16 about 45 ° on the arrow C direction, serve as that axle rotates about 45 °, becomes off state on arrow D direction with rotating shaft 14a by insulating bar 15, circuit breaker 14.Nip and be connected on the earth terminal 20 by means of about 45 ° of further rotation, circuit breaker 14, main circuit becomes ground state.
From this state by on the rightabout of arrow C operating axis 16, become ground state-→ off state-→ the main circuit closure state.With foregoing a plurality of switch elements 21, the envelope of packing into is advanced in the gas sealed container (not shown) of insulating properties gas.
Gas-insulated switchgear device in the past is foregoing structure, because of near on the center line that main circuit bus 3 is configured in vacuum valve 1 (under), so the longitudinal direction at switch element must have big space, the problem that hinders the miniaturization of seeking gas-insulated switchgear device is arranged.
The objective of the invention is in order to solve aforesaid problem, to provide and do not make switch element become vertically elongated structure and make by not only simplified structure but also reduce the gas-insulated switchgear device that the part number is made the device of volume compact, realized miniaturization.
For reaching aforementioned purpose, the 1st invention of the present invention is a kind of gas-insulated switchgear device, includes vacuum valve, will open circuit and a plurality of switch elements of the circuit breaker of earthed switch are configured in envelope and advance in the gas sealed container of insulating properties gas, it is characterized in that,
By the side of vacuum valve, run through described switch element, at the alternate configuration main circuit bus of described vacuum valve.
The gas-insulated switchgear device of the 2nd invention of the present invention is characterized in that, described main circuit bus is arranged on vacuum valve travelling contact one side of described vacuum valve, connects this vacuum valve travelling contact and main circuit bus with the elastic electric conductor member.
The gas-insulated switchgear device of the 3rd invention of the present invention is characterized in that described elastic electric conductor member is made up of flexible splitter.
The gas-insulated switchgear device of the 4th invention of the present invention is characterized in that described main circuit bus is mounted to the direction that is orthogonal with the direction of the switch element that is connected the Width adjacency by being made up of the tabular conductor component of width.
Of the present invention the 1st the invention in, by the side of vacuum valve, run through described switch element, at the alternate configuration main circuit bus of described vacuum valve, can shorten switch element longitudinal direction, be the length of the switch direction of vacuum valve.
In the 2nd invention of the present invention and the 3rd invention, the main circuit bus is arranged on the vacuum valve travelling contact side of vacuum valve, the flexible splitter that is used as the elastic conductor member connects this vacuum valve travelling contact and main circuit bus, simplifies main circuit structure and reduces the part number.
In the 4th invention of the present invention, to be mounted to the direction that is orthogonal with the direction of the switch element that is connected the Width adjacency by the main circuit bus of being made up of the tabular conductor component of width, what also can shorten switch element laterally is the length of direction of the switch direction phase quadrature of vacuum valve.
Fig. 1 represents the front view of a switch element structure in the gas sealed container in the gas-insulated switchgear device of one embodiment of the invention.
The end view of gas-insulated switchgear device in Fig. 2 presentation graphs 1.
Fig. 3 (a) expression is provided with the front view of gas-insulated switchgear device in the occasion of three switch elements.
The vacuum valve of Fig. 3 (b) presentation graphs 3 (a) and the connection layout that is electrically connected of switch.
Fig. 4 represents integrally-built end view in the gas-insulated switchgear device of the present invention.
Fig. 5 represents the end view of the gas-insulated switchgear device of other embodiment of the present invention.
Fig. 6 represents the front view of a switch element structure in the past the gas-insulated switch side.
Below, with reference to accompanying drawing embodiments of the invention are described.
Embodiment 1
Fig. 1 represents the front view of a switch element structure in the gas sealed container in the gas-insulated switchgear device of one embodiment of the invention.Fig. 2 is an end view.Fig. 3 (a) expression is provided with front view, the vacuum valve of Fig. 3 (b) presentation graphs 3 (a) and the connection layout that is electrically connected of switch of the occasion of three switch elements.Fig. 4 represents the integrally-built end view of gas-insulated switchgear device.
In each figure, the 1st, vacuum valve, 1a is the stiff end of vacuum valve, 1b is the movable end of vacuum valve, the 2nd, the fixed conductor of when fixing vacuum valve 1, switching on together, the 3rd, main circuit bus, with for example flexible splitter 11a as the elastic electric conductor member shown in Figure 2, be connected, the 4th, insulation supporter insulator, insulation supporter main circuit bus 3 with vacuum valve movable end 1b.
The 5th, insulating bar, be fixed on the vacuum valve movable end 1b, by pin 7 other end is connected on the vacuum valve operating axis 6.The 8th, we opens spring, utilizes bolt etc. to be connected on the framework 9, by pin 10 movable end is connected on the vacuum valve operating axis 6.The 12nd, circuit breaker fixed engagement device, be fixed on the fixed conductor 2.
The 14th, circuit breaker is that the center becomes rotation freely with rotating shaft 14a, the 15th, and insulating bar, an end connect circuit breaker 14, by pin etc. the other end are connected on the operating axis 16.The 17th, insulation supporter insulator, insulation supporter main circuit conductor 19.The 20th, earth terminal.The 23rd, insulation supporter insulator, insulation supporter vacuum valve 1, circuit breaker fixed engagement device 12 and fixed conductor 2.The 24th, the switch element of structure as previously mentioned.
The 25th, be electrically connected the connection bus of a plurality of switch elements 24.Especially, in Fig. 3 and Fig. 4, the 26th, the gas sealed container of the switch element 24 of packing into, the 27th, insulating sleeve, airtightly be installed in the gas sealed container 26, an end is connected that main circuit conductor 19b goes up, the other end is connected on the cable connector 28.The 29th, be used to operate the operating portion of vacuum valve 1, the 30th, be used for the operating portion of operating breaker 14.
Below, action is described.Switch motion of the switch motion of vacuum valve 1 and circuit breaker 14 (opening circuit) and landing operation, basic identical with the conventional art example.At first, the action to vacuum valve 1 describes.By means of with operating portion 29 rotating operation axle 6 on the arrow A direction, by insulating bar 5, the vacuum valve movable end 1b that connects it on the arrow B direction, move, vacuum valve 1 becomes closure state.When this closed action, we opens spring 8 and is compressed, and the energy that is used to disconnect is stored.By means of providing open command from operating portion 29, the energy, the vacuum valve operating axis 6 that utilize us to open spring 8 rotate at the rightabout of arrow A, and vacuum valve 1 disconnects action.
Then, the action to circuit breaker 14 describes.By means of with operating portion 30 rotating operation axle 16 about 45 ° on the arrow C direction, serve as that axle rotates about 45 °, becomes off-state on arrow D direction with rotating shaft 14a by insulating bar 15, circuit breaker 14.Nip and be connected on the earth terminal 20 by means of about 45 ° of further rotation, circuit breaker 14, main circuit becomes ground state.
By this state by on the opposition side of arrow C operating operation axle 16, become ground state-→ off state-→ the main circuit closure state.
When sequence being described by Fig. 3, after a plurality of switch elements 24 of assembling and operating portion 29,30 are installed on the gas sealed container 26a outside with gas sealed container 26, will be connected electrically between the switch element 24 on the main circuit bus 25 that posterior direction is extended among the figure.Connecting main circuit conductor 19b after between main circuit conductor end 19a and the insulating sleeve 27, airtight installation gas sealed container 26b, making completion status by means of sealing the air inlet body.
Like this,, run through described switch element by means of side by vacuum valve, at the alternate configuration main circuit bus of described vacuum valve, can shorten switch element 24 longitudinal direction, be the switch direction of vacuum valve 1 length, work for miniaturization.In addition, main circuit bus 3 is set, connects this vacuum valve travelling contact 1b and main circuit bus 3 by means of the vacuum valve travelling contact 1b side of vacuum valve 1 with the flexible splitter 11a of elastic conductor member, can work for main circuit structure simplification, reduce the part number of insulator etc.
In the aforementioned embodiment, though it is horizontal by the main circuit bus of forming by the tabular conductor component of width 3, put but also can indulge as shown in Figure 5, that is to say, the direction that is orthogonal by means of the direction that is mounted to the switch element 24 that connects the Width adjacency, also can shorten with each switch element 24 laterally be the switch direction length of the direction of quadrature mutually of vacuum valve, further miniaturization.
In addition, in aforementioned each embodiment, though represented vacuum valve 1 in upside, circuit breaker 14 example at downside, the present invention also is not limited thereto, and also for example vacuum valve 1 is opposite with the position relation of circuit breaker 14, reaches identical effect.
As previously mentioned, because of in the 1st invention of the present invention, by the side of vacuum valve, pass through Wear described switch element, the alternate configuration main circuit bus at described vacuum valve can shorten and open Close the unit longitudinal direction, be the length of the switch direction of vacuum valve, so can provide more small-sized The effect of the gas-insulated switchgear device of changing.
Because of in the 2nd invention of the present invention and the 3rd invention, the main circuit bus is arranged on very The vacuum valve travelling contact side of empty valve should be true with the flexible shunt connection of elastic conductor member Empty valve travelling contact and main circuit bus are simplified main circuit structure and are reduced the part number, institute With further miniaturization, simultaneously owing to make producing cost reduce, have cheap gas can be provided The effect of insulated switch.
Because of in the 4th invention of the present invention, will be formed by the tabular conductor component by width The main circuit bus is mounted to the direction of the switch element that is connected the width adjacency and is orthogonal Direction, what also can shorten switch element laterally is the side of the switch direction phase quadrature of vacuum valve To length, so the effect of the gas-insulated switchgear device that further miniaturization can be provided is arranged Really.
Claims (4)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7156370A JPH099431A (en) | 1995-06-22 | 1995-06-22 | Gas insulated switchgear |
| JP156370/1995 | 1995-06-22 | ||
| JP156370/95 | 1995-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1139305A CN1139305A (en) | 1997-01-01 |
| CN1049532C true CN1049532C (en) | 2000-02-16 |
Family
ID=15626275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96100590A Expired - Fee Related CN1049532C (en) | 1995-06-22 | 1996-06-20 | Gas insulated switchgear |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH099431A (en) |
| KR (1) | KR100232696B1 (en) |
| CN (1) | CN1049532C (en) |
| TW (1) | TW357373B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000069041A1 (en) * | 1999-05-07 | 2000-11-16 | Mitsubishi Denki Kabushiki Kaisha | Vacuum switch gear |
| AU2002335466A1 (en) * | 2002-09-30 | 2004-04-23 | Mitsubishi Denki Kabushiki Kaisha | Gas insulated switch |
| JP4764139B2 (en) | 2005-11-04 | 2011-08-31 | 株式会社日本Ａｅパワーシステムズ | Connection structure of gas insulated switchgear and oil-filled transformer |
| JP4906892B2 (en) | 2009-08-12 | 2012-03-28 | 株式会社日立製作所 | Switchgear |
| JP4693193B1 (en) * | 2010-05-20 | 2011-06-01 | 株式会社日本Ａｅパワーシステムズ | Cubicle type gas insulated switchgear |
| EP3806252B1 (en) * | 2018-05-24 | 2024-06-05 | Mitsubishi Electric Corporation | Gas-insulated switch apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5482045A (en) * | 1977-12-13 | 1979-06-29 | Toshiba Corp | Composite gas insulation on-off equipment |
| JPH02151216A (en) * | 1988-12-02 | 1990-06-11 | Toshiba Corp | Gas insulated switchgear |
-
1995
- 1995-06-22 JP JP7156370A patent/JPH099431A/en active Pending
-
1996
- 1996-06-04 TW TW085106634A patent/TW357373B/en active
- 1996-06-11 KR KR1019960020838A patent/KR100232696B1/en not_active Expired - Fee Related
- 1996-06-20 CN CN96100590A patent/CN1049532C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5482045A (en) * | 1977-12-13 | 1979-06-29 | Toshiba Corp | Composite gas insulation on-off equipment |
| JPH02151216A (en) * | 1988-12-02 | 1990-06-11 | Toshiba Corp | Gas insulated switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100232696B1 (en) | 1999-12-01 |
| JPH099431A (en) | 1997-01-10 |
| KR970004198A (en) | 1997-01-29 |
| CN1139305A (en) | 1997-01-01 |
| TW357373B (en) | 1999-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |