CN102426965A - High voltage alternate current isolating switch and earthing switch combination - Google Patents
High voltage alternate current isolating switch and earthing switch combination Download PDFInfo
- Publication number
- CN102426965A CN102426965A CN2011102745570A CN201110274557A CN102426965A CN 102426965 A CN102426965 A CN 102426965A CN 2011102745570 A CN2011102745570 A CN 2011102745570A CN 201110274557 A CN201110274557 A CN 201110274557A CN 102426965 A CN102426965 A CN 102426965A
- Authority
- CN
- China
- Prior art keywords
- isolating switch
- switch
- contact
- side shielding
- shielding construction
- 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.)
- Pending
Links
Images
Abstract
The invention relates to a high voltage alternate current isolating switch and earthing switch combination which is characterized in that an isolating switch is connected with a ball screw by a control mechanism through an insulating pull rod; a center shaft of the ball screw rotates together with the insulating pull rod; a shaft sleeve on the ball screw pushes an isolating switch moving contact fixed on the shaft sleeve of the ball screw to move along the axial direction; an earthing switch drives an earthing switch moving contact by the control mechanism to realize switching-off or switching-on; a main conductive loop when the isolating switch is positioned at the switching-on position is formed by the isolating switch moving contact and an isolating switch fixed contact; and sulfur hexafluoride gas is used as an insulating medium and an arc extinguishing medium. A rated current of the high voltage alternate current isolating switch and earthing switch combination can reach 10,000A. Moreover, the high voltage alternate current isolating switch and earthing switch combination has compact structure and high insulating level and can be applied to a gas-insulated metal-enclosed switchgear (Gas Insulated Switchgear GIS) at the voltage level of 126kV to 1,200kV.
Description
Technical field
The present invention relates to isolating switch and earthed switch technical field, particularly a kind of high-voltage alternating current isolating switch and earthed switch combination.
Background technology
The combination of SF 6 high-voltage ac disconnecting switch and earthing switch is the significant components of Cubicle Gas-Insulated Switchgear (GIS), in electric power system, when isolating switch is in closing position; It need carry and transmit certain rated current; When isolating switch was in the separating brake position, it need reliably be isolated electrification in high voltage part and currentless part, therefore; The through-flow performance of isolating switch and insulation property are its of paramount importance two big performances; Along with the continuous increase of electric power system power load, electric power system is also increasingly high to the requirement of the specified running current of high voltage isolator, existing high-voltage alternating current isolating switch and earthed switch combination; Its shielding construction and through-flow structure be separately design usually; Specified through-flow low, rated current generally below 4000A, is difficult to satisfy the dual high request of electric power system to its through-flow performance and insulation property.
Summary of the invention
The purpose of this invention is to provide a kind of rated current can be up to 10000A, compact conformation, and insulation level is high, can be applied to high-voltage alternating current isolating switch and the earthed switch combination of 126kV to 1200kV.
The present invention realizes like this; It comprises that hold concurrently quiet side shielding construction, isolating switch striking contact, earthed switch moving contact, earthed switch fixed contact, insulated tension pole, ball-screw, moving side shielding construction, quiet side shielding construction, isolating switch of metal shell, insulating barrier, isolating switch moving contact, static contact isolation switch use operating mechanism with operating mechanism and earthed switch; Helical spring, sulfur hexafluoride gas, metal compounds body, compression spring and plate-like spring; It is characterized in that isolating switch is connected with ball-screw through insulated tension pole with operating mechanism; The central shaft and the insulated tension pole of ball-screw rotate jointly; Axle sleeve on the ball-screw promotes to be fixed in the isolating switch moving contact that ballscrew shaft puts and moves vertically; Earthed switch drives the earthed switch moving contact of realizing separating brake or combined floodgate with operating mechanism; Isolating switch moving contact and static contact isolation switch have constituted the main conductive circuit when isolating switch is in closing position, and moving side shielding construction of isolating switch and the static contact isolation switch quiet side shielding construction of holding concurrently has shielding and through-flow dual-use function, and dielectric and arc-extinguishing medium have adopted sulfur hexafluoride gas.
Rated current of the present invention can be up to 10 000 A, and compact conformation, insulation level are high, can be applied in the Cubicle Gas-Insulated Switchgear (GIS) of 126 kV to 1200 kV electric pressures.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further description;
Fig. 1 is the structural representation of high-voltage alternating current isolating switch and earthed switch combination,
Fig. 2 is a structural representation of not being with the insulated tension pole of metal compounds body,
Fig. 3 is the structural representation that has the insulated tension pole of metal compounds body,
Fig. 4 is the structural representation that the insulated tension pole that has a metal compounds body is adjacent equipotential connected mode between parts,
Fig. 5 is the structural representation that the insulated tension pole that has a metal compounds body is adjacent equipotential connected mode between parts,
Fig. 6 is the equivalent cloud atlas distribution map of the current potential of isolating switch when being in closing position.
Embodiment
Shown in Fig. 1-6; The combination of this high-voltage alternating current isolating switch and earthed switch comprise metal shell 2, insulating barrier 3, isolating switch moving contact 4, static contact isolation switch hold concurrently quiet side shielding construction 5, isolating switch striking contact 6, earthed switch moving contact 7, earthed switch fixed contact 8, insulated tension pole 9, ball-screw 10, the moving side shielding construction 11 of isolating switch, isolating switch with operating mechanism 12, earthed switch with operating mechanism 13, helical spring 14, sulfur hexafluoride gas 15, metal compounds body 16, compress spring 17, plate-like spring 18; Isolating switch is connected with ball-screw 10 through insulated tension pole 9 with operating mechanism 12; The central shaft of ball-screw 10 and insulated tension pole 9 rotate jointly; The isolating switch moving contact 4 that axle sleeve on the ball-screw 10 promotes to be fixed on ball-screw 10 axle sleeves moves vertically; Realize dividing closing operation; Earthed switch drives earthed switch moving contact 7 with operating mechanism 13 and realizes separating brake or combined floodgate; Isolating switch moving contact 4 and the static contact isolation switch quiet side shielding construction 5 of holding concurrently has constituted the main conductive circuit when isolating switch is in closing position; Moving side shielding construction 11 of isolating switch and the static contact isolation switch quiet side shielding construction 5 of holding concurrently has shielding and through-flow dual-use function, and dielectric and arc-extinguishing medium have adopted sulfur hexafluoride gas 15; Static contact isolation switch hold concurrently quiet side shielding construction 5, isolating switch moving contact 4 adopt high conductivity material such as copper material or aluminium, and electric contact points is electroplated the gold of suitable thickness or silver-colored; The project organization that isolating switch adopts the electric arc loop to separate with main conductive circuit; Be provided with the isolating switch striking contact 6 of the electrical arc erosion main conductive circuit that can avoid producing in the divide-shut brake process, isolating switch striking contact 6 materials adopt the copper-tungsten material of anti-arc erosion; The shielded surfaces of main conductive circuit and inner walls form the concentric cylinder electric field structure, and Electric Field Distribution is even, and are provided with quiet side shielding construction and the moving side shielding construction that improves fracture insulation and insulation against ground; Quiet side shielding construction and moving side shielding construction; Have shielding and through-flow dual-use function; Its relatively large surface area has increased the heat-sinking capability of galvanic circle greatly; Improved its through-flow performance, being electrically connected when 11 of its isolating switch moving contact 4 and moving side shielding constructions can realize that big electric current between them is through-flow through one or more helical springs 14; Isolating switch striking contact 6 and moving side shielding construction 11 are can realize being electrically connected between them through one or more helical springs 14 between fixed contact; When isolating switch is in closing position; Its isolating switch moving contact 4 and quiet side shielding construction 11 are can realize being electrically connected between them through one or more helical springs 14 between fixed contact; Realize the through-flow function of big electric current of its closing position; Isolating switch moving contact 4 moves under the drive of isolating switch with operating mechanism 12 through ball-screw 10 and insulated tension pole 9, realizes separating brake or closing operation; Insulated tension pole 9 adopts vacuum impregnation expoxy glass stringings, also can adopt plate, the rod that other insulation, insulating material that mechanical property is enough process or manages; The two ends of insulated tension pole 9 can have or not have metal compounds body 16; The equipotential bonding that the two ends metal compounds body 16 of insulated tension pole 9 is adjacent between parts adopts metal compression spring 17 or plate-like spring 18.
Claims (12)
1. high-voltage alternating current isolating switch and earthed switch combination; It comprises that hold concurrently quiet side shielding construction, isolating switch striking contact, earthed switch moving contact, earthed switch fixed contact, insulated tension pole, ball-screw, moving side shielding construction, quiet side shielding construction, isolating switch of metal shell, insulating barrier, isolating switch moving contact, static contact isolation switch use operating mechanism with operating mechanism and earthed switch; Helical spring, sulfur hexafluoride gas, metal compounds body, compression spring and plate-like spring; It is characterized in that isolating switch is connected with ball-screw through insulated tension pole with operating mechanism; The central shaft and the insulated tension pole of ball-screw rotate jointly; Axle sleeve on the ball-screw promotes to be fixed in the isolating switch moving contact that ballscrew shaft puts and moves vertically; Earthed switch drives the earthed switch moving contact of realizing separating brake or combined floodgate with operating mechanism; Isolating switch moving contact and static contact isolation switch have constituted the main conductive circuit when isolating switch is in closing position, and moving side shielding construction of isolating switch and the static contact isolation switch quiet side shielding construction of holding concurrently has shielding and through-flow dual-use function, and dielectric and arc-extinguishing medium have adopted sulfur hexafluoride gas.
2. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination; It is characterized in that static contact isolation switch hold concurrently quiet side shielding construction, isolating switch moving contact; Adopt high conductivity material such as copper material or aluminium, electric contact points has been electroplated gold or silver.
3. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination; It is characterized in that the project organization that isolating switch adopts the electric arc loop to separate with main conductive circuit; Be provided with the isolating switch striking contact of the electrical arc erosion main conductive circuit that can avoid producing in the divide-shut brake process, isolating switch striking contact material adopts the copper-tungsten material of anti-arc erosion.
4. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination; The shielded surfaces and the inner walls that it is characterized in that main conductive circuit form the concentric cylinder electric field structure; Electric Field Distribution is even, and is provided with quiet side shielding construction and the moving side shielding construction that improves fracture insulation and insulation against ground.
5. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination is characterized in that quiet side shielding construction and moving side shielding construction have shielding and through-flow dual-use function, has increased the heat-sinking capability of galvanic circle, has improved its through-flow performance.
6. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination, being electrically connected when it is characterized in that between its isolating switch moving contact and moving side shielding construction realizing that big electric current between them is through-flow through one or a plurality of helical spring.
7. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination is characterized in that isolating switch striking contact and quiet side shielding construction are can realize being electrically connected between them through one or a plurality of helical spring between fixed contact.
8. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination; It is characterized in that when isolating switch is in closing position its isolating switch moving contact and quiet side shielding construction are can realize being electrically connected between them through one or a plurality of helical spring between fixed contact.
9. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination is characterized in that the isolating switch moving contact moves under the drive of isolating switch with operating mechanism through ball-screw and insulated tension pole, realizes separating brake or closing operation.
10. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination is characterized in that insulated tension pole adopts vacuum impregnation expoxy glass stringing, or other insulation, insulating material that mechanical property is enough plate, the rod processed or manage.
11. described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch combination is characterized in that the two ends of insulated tension pole can have the metal compounds body or not have the metal compounds body.
12. the combination of the described high-voltage alternating current isolating switch of root a tree name claim 1 and earthed switch is characterized in that the equipotential bonding that the two ends metal compounds body of insulated tension pole is adjacent between parts adopts metal compression spring or plate-like spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102745570A CN102426965A (en) | 2011-09-16 | 2011-09-16 | High voltage alternate current isolating switch and earthing switch combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102745570A CN102426965A (en) | 2011-09-16 | 2011-09-16 | High voltage alternate current isolating switch and earthing switch combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102426965A true CN102426965A (en) | 2012-04-25 |
Family
ID=45960932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102745570A Pending CN102426965A (en) | 2011-09-16 | 2011-09-16 | High voltage alternate current isolating switch and earthing switch combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426965A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106574947A (en) * | 2014-05-16 | 2017-04-19 | 欧米克朗电子仪器有限公司 | Method and system for testing switching installation for power transmission installations |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN109727796A (en) * | 2018-12-31 | 2019-05-07 | 平高集团有限公司 | A kind of isolated switchgear |
| CN110379654A (en) * | 2019-07-16 | 2019-10-25 | 新东北电气集团高压开关有限公司 | A kind of vertical transmission converting device for porcelain knob breaker |
| CN112701004A (en) * | 2020-12-07 | 2021-04-23 | 河南平高电气股份有限公司 | Isolation grounding switch arc contact base and isolation grounding switch |
| CN113410087A (en) * | 2021-06-17 | 2021-09-17 | 西安西电开关电气有限公司 | Compact high-pressure tank type rapid mechanical combination switch equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004236459A (en) * | 2003-01-31 | 2004-08-19 | Hitachi Ltd | Gas-insulated switchgear |
| CN101320648A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN101404393A (en) * | 2008-11-05 | 2009-04-08 | 中国西电电气股份有限公司 | Incoming/outgoing line inflation casing tube for high-voltage switch gear |
| CN201378523Y (en) * | 2009-03-28 | 2010-01-06 | 山东泰开高压开关有限公司 | Novel flexible static arc contact |
-
2011
- 2011-09-16 CN CN2011102745570A patent/CN102426965A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004236459A (en) * | 2003-01-31 | 2004-08-19 | Hitachi Ltd | Gas-insulated switchgear |
| CN101320648A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Air insulated isolation switch device |
| CN101404393A (en) * | 2008-11-05 | 2009-04-08 | 中国西电电气股份有限公司 | Incoming/outgoing line inflation casing tube for high-voltage switch gear |
| CN201378523Y (en) * | 2009-03-28 | 2010-01-06 | 山东泰开高压开关有限公司 | Novel flexible static arc contact |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106574947A (en) * | 2014-05-16 | 2017-04-19 | 欧米克朗电子仪器有限公司 | Method and system for testing switching installation for power transmission installations |
| CN106574947B (en) * | 2014-05-16 | 2019-09-03 | 欧米克朗电子仪器有限公司 | For checking the method and system for being used for the switchgear of energy delivery devices |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN109727796A (en) * | 2018-12-31 | 2019-05-07 | 平高集团有限公司 | A kind of isolated switchgear |
| CN110379654A (en) * | 2019-07-16 | 2019-10-25 | 新东北电气集团高压开关有限公司 | A kind of vertical transmission converting device for porcelain knob breaker |
| CN112701004A (en) * | 2020-12-07 | 2021-04-23 | 河南平高电气股份有限公司 | Isolation grounding switch arc contact base and isolation grounding switch |
| CN113410087A (en) * | 2021-06-17 | 2021-09-17 | 西安西电开关电气有限公司 | Compact high-pressure tank type rapid mechanical combination switch equipment |
| CN113410087B (en) * | 2021-06-17 | 2023-06-20 | 西安西电开关电气有限公司 | Compact high-voltage tank type quick mechanical combined switch equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426965A (en) | High voltage alternate current isolating switch and earthing switch combination | |
| KR101704807B1 (en) | operation device using electromagnetic repulsion force for circuit breaker | |
| CN102280304B (en) | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same | |
| CN104576176B (en) | A kind of chopper of arc-chutes cascaded structure | |
| CN203966948U (en) | A kind of three station isolation grounding switchs | |
| JP5565236B2 (en) | Vacuum circuit breaker and switchgear | |
| CN203103824U (en) | An epoxy resin solid insulation vacuum switch module | |
| CN111161964B (en) | Static contact and high-voltage switch | |
| CN105070577A (en) | Isolation grounding switch mechanism, single-pole component and GIS electrical equipment | |
| US11107652B2 (en) | Circuit breaker for gas insulated switchgear | |
| CN105551876B (en) | Full-insulation outdoor vacuum switch based on double-cavity vacuum arc-extinguishing chamber | |
| CN109314010B (en) | Switching device with double conductive shells | |
| ATE552603T1 (en) | INTERRUPTER TUBE WITH FIELD DISTRIBUTION CYLINDER FOR HIGH OR MEDIUM VOLTAGE INTERRUPTER SWITCHES | |
| CN203134666U (en) | Solid-sealed polar pole and solid insulation ring main unit | |
| CN104143464B (en) | Earthed switch assembly unit and high-speed grounding switch thereof | |
| CN117716460A (en) | Gas-insulated switchgear | |
| CN202094043U (en) | Moving contact assembly and electromagnetic isolation driving intelligent switch using same | |
| CN204332808U (en) | Medium Voltage Switchgear pole | |
| EP2682974A1 (en) | Pushrod assembly for a medium voltage vacuum circuit breaker | |
| CN203910659U (en) | Vacuum circuit breaker | |
| CN106558444B (en) | A kind of novel high-pressure switch | |
| CN105633848A (en) | Novel SF6 insulated vacuum load switch cabinet | |
| CN202601490U (en) | Heat dissipating high-voltage directly operated type isolating switch | |
| CN203277206U (en) | Outdoor vacuum circuit breaker | |
| CN102903548B (en) | For the push-rod assembly of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120425 |