CN101582346B - Insulator type gas circuit-breaker - Google Patents
Insulator type gas circuit-breaker Download PDFInfo
- Publication number
- CN101582346B CN101582346B CN2009101363533A CN200910136353A CN101582346B CN 101582346 B CN101582346 B CN 101582346B CN 2009101363533 A CN2009101363533 A CN 2009101363533A CN 200910136353 A CN200910136353 A CN 200910136353A CN 101582346 B CN101582346 B CN 101582346B
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- CN
- China
- Prior art keywords
- gas
- porcelain tube
- movable side
- insulator
- buffer
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- 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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Abstract
In the insulator type gas circuit-breaker of the present invention, a porcelain tube(10) is configured with a fixed side joint point (12) and a moveable side joint point (14), a gas compression device (16) for compressing insulating gases when cutting off, and a buffer type cut-off part (11) of an insulation nozzle (17). The porcelain tube (10) is supported by a support insulator installed on thestand (1) with an operation mechanism (2) inside. The buffer type cut-off part (11) is provided with a hollow appreciably-conical cowling (20) at the moveable side, and high-temperature gas can be gu ided in the shaft direction of the porcelain tube(10). The cowling (20) consists of at least two cover units, and a guiding device (21) for making the high-temperature gas rotate and guiding the high-temperature gas is formed inside. According to the structure, the insulator type gas circuit-breaker of the present invention can prevent the inside of the porcelain tube from burning out, and the insulation reliability can be improved and synchronously the use lifetime can be increased.
Description
Technical field
The present invention is about insulator gas breaker, especially about in the porcelain tube of packaging insulating gas, disposing the insulator type circuit breaker of circuit breaker.
Background technology
Usually, gas-break switch is installed in electric substation, is connected in the electric power system and uses.As gas-break switch, the cut-out portion that is made up of the fixation side and the contact portions of movable side a kind of handle is configured in the metallic channel, fills the good SF of insulation property
6Deng the grooved circuit breaker that insulating gas is formed, also put down in writing just like institute on the japanese open communique 2003-323836 number (patent documentation 1), cut-out portion is configured in the porcelain tube of ceramic, filling insulating gas and the insulated type gas-break switch formed.
The insulated type gas-break switch; Have in set inside on the pallet of operating mechanism etc. and establish supporting insulator, the porcelain tube of fixing internal configuration cuts portion on this supporting insulator is in the upper and lower end parts of porcelain tube; The leading-out terminal that is connected with cut-out portion is set, forms the insulator type circuit breaker thus.Therefore, the insulator type circuit breaker, when being used as high pressure, high 4～5m can guarantee sufficient insulation distance to support porcelain tube, the suitable thus few place of earthquake generation that is used in.
Also have; In insulator gas breaker; Also possess: with each contact point of fixation side and movable side, the gas compressing apparatus, nozzle etc. of cylinder and the piston of compressed dielectric gas when breaking off; The electric arc that produces between each contact point during for disconnection, use is blown into the so-called pro forma buffer-type break of the insulating gas after the compression.
For this reason, in the insulator type circuit breaker, be configured in the movable side joint point of the buffer-type cut-out portion in the porcelain tube, when carrying out off action, to the insulating gas that the electric arc between fixation side and the movable side joint point is blown into, being accompanied by electric arc becomes high temperature.For this reason, porcelain tube inside blows out high-temperature gas, adopts the structure of discharging fast, makes it not damage the disconnection performance.
As stated, the insulator gas breaker of built-in buffer-type cut-out portion in porcelain tube is the structure that high-temperature gas directly blows to the porcelain tube the inside when cutting off action because of what use, burns out the porcelain tube the inside sometimes.Insulator gas breaker because of using for a long time, when off action, can burn out the porcelain tube the inside, adheres to carbide, and this burns out part and becomes big, can reduce insulation property, shortens the useful life of circuit breaker.
Especially; Insulator gas breaker improves vibration strength by the miniaturization lightweight, therefore; Use the situation of the little porcelain tube of diameter many; In this case, the distance of break and porcelain tube the inside shortens, and having a problem is that High Temperature Gas is known from experience further damage porcelain tube the inside and reduced reliability.
Summary of the invention
The objective of the invention is to, a kind of porcelain tube the inside that prevents to burn out is provided, when improving insulating reliability, the insulator gas breaker that increases the service life.
Insulator gas breaker of the present invention; It is characterized in that; In porcelain tube, dispose; The gas compressing apparatus of compressed dielectric gas, the buffer-type cut-out portion of insulation nozzle when possessing fixation side contact and movable side joint point, disconnection; When the top of above-mentioned porcelain tube is provided with the leading-out terminal that the fixation side contact with buffer-type cut-out portion continues, the leading-out terminal that the bottom setting of above-mentioned porcelain tube and the movable side joint point of buffer-type cut-out portion continue, and above-mentioned porcelain tube is established that supporting insulator on pallet is supported and when constituting; In the movable side of above-mentioned buffer-type cut-out portion hollow is set and shows slightly cone shape radome fairing, import high-temperature gas by above-mentioned radome fairing the direction of principal axis of porcelain tube.
Again; Insulator gas breaker of the present invention; It is characterized in that, establish supporting insulator on the pallet of set inside operating mechanism, above-mentioned supporting insulator is supported porcelain tube; The gas compressing apparatus of compressed dielectric gas, the buffer-type cut-out portion of insulation nozzle when the interior configuration of above-mentioned porcelain tube possesses the fixation side contact and forms the movable side joint point of hollow of gas discharge outlet, disconnection; The leading-out terminal that fixation side contact with buffer-type cut-out portion continues is set, when the bottom of above-mentioned porcelain tube is provided with the movable side conductor through the formation gas discharge outlet and leading-out terminal that above-mentioned movable side joint point continues and constitutes simultaneously on the top of above-mentioned porcelain tube; Above-mentioned movable side conductor; Fixing at least 2 erection supports on the position that not overslaugh gas is discharged, on the erection support of above-mentioned movable side conductor, the hollow that the blanket gas outlet is set shows slightly cone shape removably radome fairing; The high-temperature insulation gas that the gas discharge outlet of the movable side joint point of the above-mentioned hollow state consistent with the gas discharge outlet of above-mentioned movable side conductor begins to discharge is by the direction of principal axis of above-mentioned radome fairing importing porcelain tube.
Comparatively it is desirable to, above-mentioned radome fairing is to form characteristic by 2 cover unit at least.Comparatively it is desirable in addition, above-mentioned radome fairing forms with the inside and makes the high-temperature gas rotation and be characteristic to the guiding device of its channeling conduct.
When constituting insulator gas breaker like the present invention; Form the simple structure that hollow shows slightly cone shape radome fairing on the movable side of buffer-type cut-out portion, to be provided with, can import the high-temperature gas of the movable side that flows into buffer-type cut-out portion the direction of principal axis and the discharge of porcelain tube.
For this reason, do not had high-temperature gas directly to blow to the situation of porcelain tube the inside fully, therefore can not damage the porcelain tube the inside, can improve the insulating reliability of insulator type circuit breaker, can increase the service life.
Description of drawings
Fig. 1 is the vertical profile sketch map of the insulator type circuit breaker of expression one embodiment of the invention;
Fig. 2 is the vertical profile sketch map that the major part of presentation graphs 1 enlarges;
Fig. 3 is the vertical profile sketch map along the A-A line of Fig. 2;
Fig. 4 is the stereogram that expression is used for the radome fairing of insulator gas breaker of the present invention;
Fig. 5 (a) is the front view of the radome fairing of Fig. 4, and Fig. 5 (b) is the vertical profile sketch map along the B-B line of Fig. 5 (a).
Embodiment
Insulator gas-break switch of the present invention, in the porcelain tube configuration possess fixation side contact and movable side joint point, the gas compressing apparatus, the buffer-type cut-out portion of insulation nozzle of compressed dielectric gas when breaking off.Be provided with on the top of porcelain tube and leading-out terminal that the fixation side contact of buffer-type cut-out portion continues; Be provided with simultaneously and leading-out terminal that the movable side joint point of buffer-type cut-out portion continues, and the insulator that porcelain tube is established on the pallet of set inside operating mechanism is supported in the bottom of porcelain tube.
Movable side in buffer-type cut-out portion is provided with hollow and shows slightly cone shape radome fairing, is imported high-temperature gas by this radome fairing the direction of principal axis of porcelain tube.
Below, use Fig. 1 to Fig. 5 that insulator gas breaker of the present invention is described.Insulator gas breaker, as shown in Figure 1, on the pallet 1 of set inside operating mechanism 2, establish supporting insulator 3.In the upper end of this supporting insulator 3, the porcelain tube 10 of fixed configurations buffer-type cut-out portion 11 is filled SF in porcelain tube 10
6Deng insulating gas.
Buffer-type cut-out portion 11, its fixation side contact 12 is connected with leading-out terminal 18 through fixation side conductor 13; Again, the movable side joint point 14 that its insulating bar 4 that is connected operating mechanism 2 is driven is connected with leading-out terminal 19 through movable side conductor 15.
Remove above-mentioned situation, buffer-type cut-out portion 11 possesses: become the so-called buffer unit of gas compressing apparatus 16, gas compressing apparatus 16 has when cut-out and movable side joint point 14 links and the cylinder and the piston of compressed dielectric gas; During cut-out, blow out the insulation nozzle 17 of the insulating gas that compressed for electric arc in each contact 12, generation between 14.Blown over the insulating gas that becomes high temperature by electric arc,, shown in two chain-dotted lines of Fig. 3,,, in porcelain tube 10, discharge rapidly through the both sides gas discharge outlet 15A of movable side conductor 15 by the gas discharge outlet 14A of both sides through movable side joint point 14.
In the buffer-type cut-out of the present invention portion 11, be provided with the metal radome fairing 20 that can surround movable side, cause high-temperature gas to discharge towards the direction of principal axis of porcelain tube 10.About radome fairing 20; Use Fig. 2 and Fig. 3 to describe, it forms hollow and shows slightly coniform, this radome fairing 20; Be set to and on the erection support 23 of movable side conductor 15, load and unload, and the piston 16A that engages with the cylinder 16B of gas compressing apparatus 16 is fixed on the top of movable side conductor 15.
More particularly,, be located at the erection support 23 of movable side conductor 15 because of radome fairing 20 has been installed, on the appropriate location of the movable side conductor 15 that not overslaugh high-temperature insulation gas is discharged, fixing at least 2 erection supports 23.In Fig. 2 and example shown in Figure 3, be located at each erection support 23 of movable side conductor 15, slightly be 90 degree with the gas discharge outlet 15A that is located at movable side conductor 15, and be on the diverse location.Then,, be set to and can load and unload according to fixture double-screw bolt 24 as radome fairing 20 to each erection support 23 of movable side conductor 15, and blanket gas outlet 15A.Like this; Because of radome fairing 20 is set, during cut-out, the movable side joint point 14 of buffer-type cut-out portion 11 moves to the below; Be formed on the gas discharge outlet 14A and the gas discharge outlet 15A that is formed on movable side conductor 15 of movable side joint point 14; The high-temperature gas that flows out from unanimity the time is directed to the direction of principal axis of porcelain tube 10 by radome fairing 20, can discharge rapidly.Radome fairing 20; Shown in Fig. 4 and Fig. 5 (a), Fig. 5 (b), use metal material to form hollow and show slightly coniform, and; The inside of radome fairing 20; Formation is made as through guiding device 21 rotation high-temperature gases, the structure of discharging rapidly it as the helical form ditch or the helical raised of the guiding device 21 of high-temperature gas.As the high-temperature insulation gas stream, through guiding device 21 is set, fluidizing gas stream is compared to a direction and situation that guiding device 21 is not set, can discharge the insulating gas of high temperature with lower impedance state.
This radome fairing 20 like Fig. 4, can be easy to mo(u)lding by making, and is divided at least 2 cover unit 20A, 20B and forms.In this case, the radome fairing 20 of unit 20A, 20B is respectively covered in combination, is simple coniform, and size also there is no need strict the making, therefore can make economically with comparalive ease.
Make up the radome fairing that shows slightly tubular 20 of these covers unit 20A, 20B, be arranged on the movable side of buffer-type cut-out portion 11, install also simply, and the maintenance inspection of cut-out portion is also carried out easily.
And hollow shows slightly cone shape radome fairing 20, and when the installation of movable side conductor 15 aspects did not have obstacle, radome fairing 20 also can form as one and use.
When on movable side conductor 15, radome fairing 20 being installed; Like Fig. 3, the movable side joint point 14 of hollow moves, from the gas discharge outlet 14A time point consistent with 15A; The high-temperature gas of discharging shown in two dashdotted arrows; Import the direction of principal axis (below among the figure) of porcelain tube 10, therefore, can prevent that high-temperature gas is directly towards the inside of porcelain tube 10.Therefore, the inside of porcelain tube 10 can so can improve the insulating reliability of insulator gas breaker, can not increase the service life because of high-temperature gas damages.
Utilizability on the industry
Insulator gas breaker of the present invention owing to be that movable side in buffer-type cut-out portion is provided with hollow and shows slightly cone shape radome fairing, imports the axial structure of porcelain tube to higher temperatures gas through this radome fairing, therefore can simply be suitable for and long-term use.
Claims (6)
1. insulator gas breaker; In porcelain tube, dispose; The gas compressing apparatus of compressed dielectric gas, the buffer-type cut-out portion of insulation nozzle when possessing fixation side contact and movable side joint point, disconnection; When the top of said porcelain tube is provided with the leading-out terminal that the fixation side contact with buffer-type cut-out portion continues, the leading-out terminal that the bottom setting of said porcelain tube and the movable side joint point of buffer-type cut-out portion continue, and the supporting insulator that said porcelain tube is established on pallet is supported; It is characterized in that
Be provided with that gas discharge outlet with the movable side of said buffer-type cut-out portion covers; Can with high-temperature gas import the axial hollow of porcelain tube and more to bottom diameter big more show slightly cone shape radome fairing, discharge high-temperature gas to the axial below of porcelain tube by said radome fairing.
2. insulator gas breaker as claimed in claim 1 is characterized in that, said radome fairing is formed by 2 cover unit at least.
3. insulator gas breaker as claimed in claim 2 is characterized in that, said radome fairing has inside formed and made high-temperature gas rotation and to the guiding device of its channeling conduct.
4. insulator gas breaker; Have in set inside on the pallet of operating mechanism and establish supporting insulator; Said supporting insulator is supported porcelain tube; In the said porcelain tube configuration possess the fixation side contact and form the movable side joint point of hollow of gas discharge outlet, the gas compressing apparatus, the buffer-type cut-out portion of insulation nozzle of compressed dielectric gas when breaking off, when the top of said porcelain tube is provided with the leading-out terminal that the fixation side contact with buffer-type cut-out portion continues, be provided with through the movable side conductor of formation gas discharge outlet and the leading-out terminal that said movable side joint point continues in the bottom of said porcelain tube; It is characterized in that
Said movable side conductor; Fixing at least 2 erection supports on the position that not overslaugh gas is discharged; On the erection support of said movable side conductor; Be provided with that gas discharge outlet with the movable side conductor of above-mentioned buffer-type cut-out portion covers; Can with high-temperature gas import the axial hollow of porcelain tube and more to bottom diameter big more show slightly cone shape removably radome fairing, the high-temperature insulation gas that the gas discharge outlet of the movable side joint point of the said hollow state consistent with the gas discharge outlet of said movable side conductor begins to discharge is discharged to the axial below of porcelain tube by said radome fairing.
5. insulator gas breaker as claimed in claim 4 is characterized in that, said radome fairing is formed by 2 cover unit at least.
6. insulator gas breaker as claimed in claim 5 is characterized in that, said radome fairing has inside formed and made high-temperature gas rotation and to the guiding device of its channeling conduct.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008129006 | 2008-05-16 | ||
| JP2008129006A JP4995143B2 (en) | 2008-05-16 | 2008-05-16 | Insulator type gas circuit breaker |
| JP2008-129006 | 2008-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101582346A CN101582346A (en) | 2009-11-18 |
| CN101582346B true CN101582346B (en) | 2012-09-26 |
Family
ID=41364445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101363533A Expired - Fee Related CN101582346B (en) | 2008-05-16 | 2009-05-11 | Insulator type gas circuit-breaker |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4995143B2 (en) |
| CN (1) | CN101582346B (en) |
| BR (1) | BRPI0901504A2 (en) |
| TW (1) | TWI397094B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838420A (en) * | 2018-08-15 | 2020-02-25 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838421B (en) * | 2018-08-15 | 2022-03-29 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153397A (en) * | 1990-03-19 | 1992-10-06 | Hitachi, Ltd. | Gas circuit breaker |
| CN1700380A (en) * | 2004-05-21 | 2005-11-23 | 日本Ae帕瓦株式会社 | Gas breaker |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5810343U (en) * | 1981-07-15 | 1983-01-22 | 株式会社日立製作所 | Grounded tank type gas shield disconnector |
| JPS61186136U (en) * | 1985-05-10 | 1986-11-20 | ||
| JPH0721984B2 (en) * | 1987-04-27 | 1995-03-08 | 株式会社日立製作所 | Insulator type gas circuit breaker |
| JP3298360B2 (en) * | 1995-05-15 | 2002-07-02 | 富士電機株式会社 | Puffer type gas circuit breaker |
| JP4218216B2 (en) * | 2001-02-22 | 2009-02-04 | 株式会社日立製作所 | Gas circuit breaker |
| JP2003323836A (en) * | 2002-04-30 | 2003-11-14 | Toshiba Corp | Switching device of insulator shape |
| JP5021230B2 (en) * | 2006-05-10 | 2012-09-05 | 三菱電機株式会社 | Puffer type gas circuit breaker |
-
2008
- 2008-05-16 JP JP2008129006A patent/JP4995143B2/en not_active Expired - Fee Related
-
2009
- 2009-04-16 TW TW98112599A patent/TWI397094B/en not_active IP Right Cessation
- 2009-05-11 CN CN2009101363533A patent/CN101582346B/en not_active Expired - Fee Related
- 2009-05-15 BR BRPI0901504 patent/BRPI0901504A2/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153397A (en) * | 1990-03-19 | 1992-10-06 | Hitachi, Ltd. | Gas circuit breaker |
| CN1700380A (en) * | 2004-05-21 | 2005-11-23 | 日本Ae帕瓦株式会社 | Gas breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838420A (en) * | 2018-08-15 | 2020-02-25 | 平高集团有限公司 | Circuit breaker and arc extinguish chamber thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0901504A2 (en) | 2010-05-04 |
| TWI397094B (en) | 2013-05-21 |
| TW201013728A (en) | 2010-04-01 |
| CN101582346A (en) | 2009-11-18 |
| JP2009277558A (en) | 2009-11-26 |
| JP4995143B2 (en) | 2012-08-08 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20100115 Address after: Tokyo port xixinqiao Japan 3 chome 8 No. 3 Applicant after: JAPAN AE POWER SYSTEMS Corp. Co-applicant after: CHUNG HSIN ELECTRIC & MACHINERY MANUFACTURING CORPORATION Address before: Tokyo port xixinqiao Japan 3 chome 8 No. 3 Applicant before: JAPAN AE POWER SYSTEMS Corp. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HITACHI,LTD. Free format text: FORMER OWNER: NIPPON AE PAVA CO., LTD. Effective date: 20140623 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140623 Address after: Tokyo, Japan Patentee after: Hitachi, Ltd. Patentee after: CHUNG HSIN ELECTRIC & MACHINERY MANUFACTURING CORPORATION Address before: Tokyo port xixinqiao Japan 3 chome 8 No. 3 Patentee before: JAPAN AE POWER SYSTEMS Corp. Patentee before: CHUNG HSIN ELECTRIC & MACHINERY MANUFACTURING CORPORATION |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |