CN101866774A - Switching big-parameter bus transfer current device of extra-high voltage disconnector - Google Patents
Switching big-parameter bus transfer current device of extra-high voltage disconnector Download PDFInfo
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- CN101866774A CN101866774A CN 201010188087 CN201010188087A CN101866774A CN 101866774 A CN101866774 A CN 101866774A CN 201010188087 CN201010188087 CN 201010188087 CN 201010188087 A CN201010188087 A CN 201010188087A CN 101866774 A CN101866774 A CN 101866774A
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- contact
- rod
- extinguish chamber
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- arc extinguish
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 5
- 230000008033 biological extinction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a switching big-parameter bus transfer current device of an extra-high voltage disconnector, which comprises an auxiliary contact (1), a contact rod (2), an arc extinguish chamber support (3), a shifting fork (4), a vacuum arc extinguish chamber (5), an insulation rod (6), an arc contact (7), a support (8) and an arc contact plate (9). In the invention, the vacuum arc extinguish chamber drives the contact rod by a moving contact to shift the shifting fork of the vacuum arc extinguish chamber so as to realize the switching off/on action of the vacuum arc extinguish chamber; the arc contact plate turns over along with the moving contact so as to realize the switching off/on action with the arc contact, whereas the vacuum arc extinguish chamber is separated from a main through-flow loop when a main switch blade is in normal through flow after being switched on, and thus, flow does not flow through the vacuum arc extinguish chamber, and therefore, damages caused by long-term through flow of the vacuum arc extinguish chamber can be effectively avoided; special treatment is carried out on the surface of the vacuum arc extinguish chamber and the outside of a transmission mechanism, which is more beneficial to the device being used in the outdoor environments. Therefore, the device has simple and compact structure, stable and reliable action, good matching timing sequence and long service life.
Description
Technical field
The present invention relates to a kind of structure that is applied to the isolating switch in the extra-high voltage electric power system, a kind of specifically extra-high-voltage isolated switch folding big-parameter bus switching current device.
Background technology
UHV transmission has the inherent characteristic that big capacity, remote, low-loss, province take up an area of, and is the power transmission mode that meets China's fundamental realities of the country.The employing of UHV transmission technology realizes wider most optimum distribution of resources, promotes the efficient development and utilization of China's energy, promotes the sustainable development of economy and society.Development along with China's extra-high voltage grid, the ability and the scale of China's network optimization resource distribution will significantly improve, will greatly promote the effective exploitation and efficient utilization of domestic energy resources, further improve power network safety operation level and anti-accident ability, the demand of national economy and social development to electric power satisfied in the cooperation of strong simultaneously promotion international energy.High-voltage alternating current isolating switch is one of capital equipment in the high-tension power transmission and transformation equipment, is maximum a kind of of expense, normally 2～4 of circuit breaker times, so in electric power system, occupy an important position.Because use amount is big, functional reliability is required than higher, to electric substation,
Power plantThe influence of design, foundation and safe operation all bigger.Present outdoor extra-high-voltage alternating current isolating switch structure especially can't satisfy the parameter request of folding bus switching current 6kV, 6300A owing to the deficiency that exists in the design, is restricting the paces that China's extra high voltage line is built.
Summary of the invention
For solving the technical problem of above-mentioned existence, the invention provides a kind of extra-high-voltage isolated switch folding big-parameter bus switching current device, specifically be applied to the three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch, have simple and compact for structure, stable action is reliable, matching timing is good, the characteristics of long service life.
In order to achieve the above object, the technical solution used in the present invention is as follows:
Include auxiliary contact, touch rod, arc control device support, shift fork, vacuum interrupter, insulating rod, arcing contact, support and arc touch panel, auxiliary contact is arranged on the stationary contact headstock, touching rod is arranged on the moving contact, the end that touches rod is provided with the arc touch panel, vacuum interrupter is arranged on the stationary contact headstock by the arc control device support, mechanism's main shaft of vacuum interrupter is provided with shift fork, and support is fixed on the stationary contact headstock by insulating rod, and support is provided with arcing contact.
Described centre and shift fork contact position position of touching rod is provided with roller.
Described roller and touch and be provided with insulating case between the rod.
Described vacuum extinction chamber surface adopts epoxy casting.
The transmission mechanism outer setting of described vacuum interrupter has totally enclosed stainless steel casing.
When the three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch closes a floodgate, moving contact rotates in horizontal plane, the arc touch panel is contacted with arcing contact, then touching rod stirs shift fork vacuum interrupter is closed a floodgate, touching rod then contacts with auxiliary contact, last moving contact upset and fixed contact positive engagement make the arc touch panel separate with arcing contact simultaneously; During separating brake, moving contact upset breaks away from fixed contact, and the arc touch panel contact with arcing contact, follows moving contact and rotates in horizontal plane, touches excellently to separate with auxiliary contact, touches rod and stirs shift fork and make the vacuum interrupter separating brake, and the arc touch panel separates with arcing contact then.
In sum, vacuum interrupter touches rod by the moving contact drive and stirs the vacuum interrupter shift fork to realize the divide-shut brake action of vacuum interrupter among the present invention, the arc touch panel overturns with moving contact, with the divide-shut brake action of realization with arcing contact, and vacuum interrupter is in the main switch cutter normal main through-flow loop that breaks away from when through-flow of closing a floodgate, not through-flow, can effectively avoid the long-term through-flow damage that causes of vacuum interrupter.All done special processing on the surface of vacuum interrupter and the outside of transmission mechanism, helped it more and be used for outdoor environment, therefore simple and compact for structure, stable action is reliable, matching timing is good, long service life.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments:
Accompanying drawing is a specific embodiment of the present invention, include auxiliary contact 1, touch rod 2, arc control device support 3, shift fork 4, vacuum interrupter 5, insulating rod 6, arcing contact 7, support 8 and arc touch panel 9, auxiliary contact 1 is arranged on the stationary contact headstock 12, touching rod 2 is arranged on the moving contact 14, the end that touches rod 2 is provided with arc touch panel 9, the centre position is provided with roller 11, be provided with insulating case 10 at roller 11 with between touching excellent 2, vacuum interrupter 5 is arranged on the stationary contact headstock 12 by arc control device support 3, mechanism's main shaft of vacuum interrupter 5 is provided with shift fork 4, described vacuum extinction chamber surface adopts epoxy casting, its transmission mechanism outer setting has totally enclosed stainless steel casing, support 8 is fixed on the stationary contact headstock 12 by insulating rod 6, and arcing contact 7 is arranged on the support 8.
When the three-post horizontally turning type extra-high voltage series compensation parallel-connection isolating switch closes a floodgate, moving contact 14 rotates in horizontal plane, driving arc touch panel 9 earlier contacts with arcing contact 7, arcing contact 7 closes a floodgate, then touch rod 2 and stir shift fork 4 vacuum interrupter 5 is closed a floodgate, the bus switching current is switched in arc control device, touches rod 2 then and contacts with auxiliary contact 1, last moving contact 14 upsets and fixed contact 13 positive engagement separate arc touch panel 9 with arcing contact 7; The separating brake process in contrast, moving contact 14 upsets break away from fixed contact 13, arc touch panel 9 is contacted with arcing contact 7, then moving contact 14 rotates in horizontal plane, touching rod 2 separates with auxiliary fingertip 1, touch rod 2 and stir shift fork 4 and make vacuum interrupter 5 separating brakes, the bus switching current is cut off, and arc touch panel 9 separates with arcing contact 7 then.
Claims (5)
1. extra-high-voltage isolated switch folding big-parameter bus switching current device, it is characterized in that, include auxiliary contact (1), touch rod (2), arc control device support (3), shift fork (4), vacuum interrupter (5), insulating rod (6), arcing contact (7), support (8) and arc touch panel (9), auxiliary contact (1) is arranged on the stationary contact headstock (12), touching rod (2) is arranged on the moving contact (14), the end that touches rod (2) is provided with arc touch panel (9), vacuum interrupter (5) is arranged on the stationary contact headstock (12) by arc control device support (3), mechanism's main shaft of vacuum interrupter (5) is provided with shift fork (4), support (8) is fixed on the stationary contact headstock (12) by insulating rod (6), and support (8) is provided with arcing contact (7).
2. a kind of extra-high-voltage isolated switch folding big-parameter bus switching current device according to claim 1 is characterized in that, described centre and shift fork (4) contact position that touches rod (2) is provided with roller (11).
3. extra-high-voltage isolated switch folding big-parameter bus switching current device according to claim 2 is characterized in that, described roller (11) and touch and be provided with insulating case (10) between the rod (2).
4. extra-high-voltage isolated switch folding big-parameter bus switching current device according to claim 1 is characterized in that, epoxy casting is adopted on described vacuum interrupter (5) surface.
5. extra-high-voltage isolated switch folding big-parameter bus switching current device according to claim 1 is characterized in that the transmission mechanism outer setting of described vacuum interrupter (5) has totally enclosed stainless steel casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101880871A CN101866774B (en) | 2010-05-24 | 2010-05-24 | Switching big-parameter bus transfer current device of extra-high voltage disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101880871A CN101866774B (en) | 2010-05-24 | 2010-05-24 | Switching big-parameter bus transfer current device of extra-high voltage disconnector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101866774A true CN101866774A (en) | 2010-10-20 |
| CN101866774B CN101866774B (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101880871A Expired - Fee Related CN101866774B (en) | 2010-05-24 | 2010-05-24 | Switching big-parameter bus transfer current device of extra-high voltage disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101866774B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142676A (en) * | 1975-06-03 | 1976-12-08 | Takaoka Electric Mfg Co Ltd | Interrupter with breaker |
| CN1206215A (en) * | 1997-07-23 | 1999-01-27 | 株式会社日立制作所 | Vacuum switch and vacuum switch apparatus using the same |
| CN1926650A (en) * | 2004-02-27 | 2007-03-07 | Abb技术有限公司 | Switching device with a disconnection and/or grounding function |
| CN201708080U (en) * | 2010-05-24 | 2011-01-12 | 山东泰开隔离开关有限公司 | Extra-high-voltage isolating switch on-off great-parameter bus switching current device |
-
2010
- 2010-05-24 CN CN2010101880871A patent/CN101866774B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142676A (en) * | 1975-06-03 | 1976-12-08 | Takaoka Electric Mfg Co Ltd | Interrupter with breaker |
| CN1206215A (en) * | 1997-07-23 | 1999-01-27 | 株式会社日立制作所 | Vacuum switch and vacuum switch apparatus using the same |
| CN1926650A (en) * | 2004-02-27 | 2007-03-07 | Abb技术有限公司 | Switching device with a disconnection and/or grounding function |
| CN201708080U (en) * | 2010-05-24 | 2011-01-12 | 山东泰开隔离开关有限公司 | Extra-high-voltage isolating switch on-off great-parameter bus switching current device |
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| Publication number | Publication date |
|---|---|
| CN101866774B (en) | 2012-08-08 |
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Granted publication date: 20120808 Termination date: 20150524 |
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