CN203966948U - A kind of three station isolation grounding switchs - Google Patents
A kind of three station isolation grounding switchs Download PDFInfo
- Publication number
- CN203966948U CN203966948U CN201420364182.6U CN201420364182U CN203966948U CN 203966948 U CN203966948 U CN 203966948U CN 201420364182 U CN201420364182 U CN 201420364182U CN 203966948 U CN203966948 U CN 203966948U
- Authority
- CN
- China
- Prior art keywords
- contact
- moving contact
- switch
- station
- transmission mechanism
- 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
Links
- 238000002955 isolation Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 17
- 230000003068 static effect Effects 0.000 claims description 16
- 239000012212 insulator Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000002679 ablation Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to high-voltage switch gear transmission facility technical field, particularly three station isolation grounding switchs in a kind of Cubicle Gas-Insulated Switchgear, it comprises: conductor, conductor is loaded on disc insulator, between moving contact and transmission mechanism, insulated tension pole is housed, insulated tension pole one end is connected with transmission mechanism, and the other end is connected with gear, described transmission mechanism is arranged on flange, and three-station electric operation mechanism is connected with a phase transmission mechanism wherein; Described gear is meshed with the tooth bar being fixed in moving contact; On its transmission link, adopt three phase mechanical linkage, share a three-station electric operation mechanism, three-phase synchronism while effectively ensureing breaking-closing operating, guaranteed performance is more reliable; The inner moving contact that adopts straight moving inserted copper material of switch, the coil spring structure of middle contact Multi-contact, middle contact base is equipped with guide ring, ensures that moving contact is in center, coil spring is produced in circumference range to uniform normal pressure, many-sided through-current capability that improves.
Description
Technical field
The utility model relates to three station isolation grounding switchs in high-voltage switch gear transmission facility technical field, particularly a kind of Cubicle Gas-Insulated Switchgear.
Background technology
Raising and the security reliability of electric power system capacity are had higher requirement to transmission facility.Cubicle Gas-Insulated Switchgear is combined the electric equipments such as circuit breaker, isolating switch, earthed switch, instrument transformer, lightning arrester, bring into play outside the advantage that reduces the floor space of transformer station and take up room, the through-current capability of equipment and the security reliability of long-time running more will adapt to the requirement of electric power system.Three station isolation grounding switchs, as the critical elements in Cubicle Gas-Insulated Switchgear, need to have stronger through-current capability, stronger arc ablation resistance ability when higher insulation level and opening-closing bus switching current.Three traditional station isolation grounding switchs exist through-current capability not strong, and application range of products is wideless; Insulation margin is low, and when opening-closing bus switching current, the easy ablation fracture of electric arc shielding element, leaves hidden danger to safe operation.
Summary of the invention
In view of the problem that prior art exists, the purpose of this utility model is to provide large electric current, high insulation level, three stronger station isolation grounding switchs of arc ablation resistance ability when opening-closing bus switching current.
To achieve these goals, the technical scheme that the utility model adopts is three station isolation grounding switchs, it comprises: conductor, conductor is loaded on disc insulator, between moving contact and transmission mechanism, insulated tension pole is housed, insulated tension pole one end is connected with transmission mechanism, and the other end is connected with gear, described transmission mechanism is arranged on flange, and three-station electric operation mechanism is connected with a phase transmission mechanism wherein; Described gear is meshed with the tooth bar being fixed in moving contact; In the middle of described, in contact base, activity-oriented is equipped with moving contact, is fixedly installed the tooth bar that extends and engage with described gear along its activity direction on described moving contact; Be respectively equipped with grounding static contact and isolation fixed contact with respect to conductor two ends, grounding static contact is loaded on shell flange, and isolation fixed contact is loaded on disc insulator; It is characterized in that: contact base in the middle of being equipped with on described conductor, middle contact base is equipped with guide ring and middle contact, the coil spring that in the middle of described, contact is Multi-contact, conductor is provided with the spinning radome of multi-curvature radius arc away from grounding static contact one end and isolation fixed contact end, described isolation fixed contact adopts arcing contact structure; Described moving contact adopts straight moving plug-in type moving contact, and its material is copper material, described alternate kind of drive three phase mechanical linkage, and three-phase shares a three-station electric operation mechanism.
Described three stations are respectively: isolating switch combined floodgate-grounding switch tripping, isolating switch separating brake-grounding switch tripping and isolating switch separating brake-earthed switch closes a floodgate.
When work, three-station electric operation mechanism drives insulated tension pole and gear synchronous rotation, gear pinion rack by transmission mechanism, to rotatablely move and be converted into rectilinear motion, tooth bar is embedded in moving contact groove, rack linear Sports band moving contact rectilinear motion, thus realization divides, feed motion; Being that moving contact contacts with isolation fixed contact, carrying out isolating switch closing function, is the running status of switch in electric power system; Moving contact mediates, and does not all contact with isolation fixed contact, grounding static contact, and this station is switch intermediateness between operation and maintenance in electric power system; Moving contact contacts with grounding static contact, and this station is carried out earthed switch closing function, is switch service mode in electric power system.
The utility model has the advantage of: on its transmission link, adopt three phase mechanical linkage, share a three-station electric operation mechanism, three-phase synchronism while effectively ensureing breaking-closing operating, guaranteed performance is more reliable; The inner moving contact that adopts straight moving inserted copper material of switch, the coil spring structure of middle contact Multi-contact, middle contact base is equipped with guide ring, ensures that moving contact is in center, coil spring is produced in circumference range to uniform normal pressure, many-sided through-current capability that improves; The special arcing contact structure of isolating switch station, for electric arc provides dedicated path, avoids arc erosion radome when opening-closing bus switching current, improves switch long-time running reliability; The shielding of switch fracture is the spinning shielding case structure that multi-curvature radius arc connects, and electric field strength is evenly reliable, effectively shortens and opens distance, makes switch spatial volume less, more compact structure, and switch overall weight is lighter; The breaking-closing operating of isolating switch and earthed switch, realizes the mechanical latching between isolating switch and earthed switch from structure, avoids misoperation.
Brief description of the drawings
Fig. 1 is the structural representation of three station isolation grounding switchs;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 isolating switch combined floodgate-grounding switch tripping station;
Fig. 4 isolating switch separating brake-earthed switch combined floodgate station;
In figure: 1, housing, 2, conductor, 3, middle contact, 4, moving contact, 5, isolation fixed contact, 6, grounding static contact, 7, insulated tension pole, 8, transmission mechanism, 9, three-station electric operation mechanism, 10, gear, 11, tooth bar, 12, spinning radome, 13, disc insulator, 14, guide ring, 15, arcing contact.
Embodiment
In order further to understand this three station isolation grounding switch, as follows below in conjunction with brief description of the drawings.
It comprises housing, in housing, is fixedly equipped with conductor by disc insulator; In conductor, activity is equipped with moving contact, is provided with rectangular slot in moving contact, and tooth bar is housed in groove, and tooth bar is meshed with the gear that is assemblied in insulated tension pole one end; Described insulated tension pole enters in the chamber having shielded through conductor; The insulated tension pole other end is connected with transmission mechanism, and transmission mechanism is arranged on flange, and interphase connecting rod connects, and three-station electric operation mechanism is connected with a phase transmission mechanism wherein; Be respectively equipped with grounding static contact and isolation fixed contact with respect to conductor two ends, grounding static contact is loaded on shell flange, and isolation fixed contact is loaded on disc insulator; On described isolation fixed contact, arcing contact is housed, contact base in the middle of being equipped with on conductor, middle contact base is equipped with guide ring and middle contact; Conductor is provided with spinning radome away from grounding static contact one end and isolation fixed contact end; On transmission link, adopt three phase mechanical linkage, share a three-station electric operation mechanism, three-phase synchronism while effectively ensureing breaking-closing operating; Described moving contact is the moving contact that directly moves inserted copper material, the coil spring structure that middle contact is Multi-contact; In the middle of described, contact base is equipped with guide ring, ensures that moving contact, in center, produces uniform normal pressure in circumference range to coil spring, and each contact point contact resistance is even, and long-term through-flow temperature rise is low, many-sided through-current capability that improves; The special arcing contact structure of described isolating switch station, when opening-closing bus switching current, moving contact first departs from isolation fixed contact, after moving contact and arcing contact, depart from, electric arc is arcing between moving contact and arcing contact, avoids arc erosion radome, improves switch long-time running reliability; The shielding of switch fracture is the spinning shielding case structure that multi-curvature radius arc connects, and electric field strength is evenly reliable, effectively shortens and opens distance, makes switch spatial volume less, more compact structure, and switch overall weight is lighter.When work, three-station electric operation mechanism drives insulated tension pole and gear synchronous rotation, gear pinion rack by transmission mechanism, to rotatablely move and be converted into rectilinear motion, tooth bar is embedded in moving contact groove, rack linear Sports band moving contact rectilinear motion, thus realization divides, feed motion; Being that moving contact contacts with isolation fixed contact, carrying out isolating switch closing function, is the running status of switch in electric power system; Moving contact mediates, and does not all contact with isolation fixed contact, grounding static contact, and this station is switch intermediateness between operation and maintenance in electric power system; Moving contact contacts with grounding static contact, and this station is carried out earthed switch closing function, is switch service mode in electric power system.
Claims (3)
1. a station isolation grounding switch, it comprises: conductor, conductor is loaded on disc insulator, between moving contact and transmission mechanism, insulated tension pole is housed, insulated tension pole one end is connected with transmission mechanism, the other end is connected with gear, and described transmission mechanism is arranged on flange, and three-station electric operation mechanism is connected with a phase transmission mechanism wherein; Described gear is meshed with the tooth bar being fixed in moving contact; In middle contact base, activity-oriented is equipped with moving contact, is fixedly installed the tooth bar that extends and engage with described gear along its activity direction on described moving contact; Be respectively equipped with grounding static contact and isolation fixed contact with respect to conductor two ends, grounding static contact is loaded on shell flange, and isolation fixed contact is loaded on disc insulator; It is characterized in that: contact base in the middle of being equipped with on described conductor, middle contact base is equipped with guide ring and middle contact, the coil spring that in the middle of described, contact is Multi-contact, conductor is provided with the spinning radome of multi-curvature radius arc away from grounding static contact one end and isolation fixed contact end, described isolation fixed contact adopts arcing contact structure; Described moving contact adopts straight moving plug-in type moving contact, and its material is copper material, and the alternate kind of drive adopts three phase mechanical linkage, and three-phase shares a three-station electric operation mechanism.
2. a kind of three station isolation grounding switchs according to claim 1, is characterized in that: described three stations are respectively: isolating switch combined floodgate-grounding switch tripping, isolating switch separating brake-grounding switch tripping and isolating switch separating brake-earthed switch closes a floodgate.
3. a kind of three station isolation grounding switchs according to claim 1, it is characterized in that: when work, three-station electric operation mechanism drives insulated tension pole and gear synchronous rotation by transmission mechanism, gear pinion rack, to rotatablely move and be converted into rectilinear motion, tooth bar is embedded in moving contact groove, rack linear Sports band moving contact rectilinear motion, thus realization divides, feed motion; Being that moving contact contacts with isolation fixed contact, carrying out isolating switch closing function, is the running status of switch in electric power system; Moving contact mediates, and does not all contact with isolation fixed contact, grounding static contact, and this station is switch intermediateness between operation and maintenance in electric power system; Moving contact contacts with grounding static contact, and this station is carried out earthed switch closing function, is switch service mode in electric power system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364182.6U CN203966948U (en) | 2014-07-02 | 2014-07-02 | A kind of three station isolation grounding switchs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364182.6U CN203966948U (en) | 2014-07-02 | 2014-07-02 | A kind of three station isolation grounding switchs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966948U true CN203966948U (en) | 2014-11-26 |
Family
ID=51927500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420364182.6U Expired - Fee Related CN203966948U (en) | 2014-07-02 | 2014-07-02 | A kind of three station isolation grounding switchs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966948U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575698A (en) * | 2016-01-15 | 2016-05-11 | 许继（厦门）智能电力设备股份有限公司 | Earthing switch interlocking device of GIS combined electrical apparatus |
| CN107045960A (en) * | 2017-02-08 | 2017-08-15 | 河南平高电气股份有限公司 | Touch base component, earthed switch, isolation ground connection stacked switch and switchgear |
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN111105951A (en) * | 2018-10-29 | 2020-05-05 | 平高集团有限公司 | High voltage switch and its resistive static contact |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112599375A (en) * | 2020-11-13 | 2021-04-02 | 许继（厦门）智能电力设备股份有限公司 | Alignment tool and assembly method for three-position switch |
| CN113628901A (en) * | 2021-07-05 | 2021-11-09 | 平高集团有限公司 | Three-phase common-box switch |
| CN113917300A (en) * | 2021-10-08 | 2022-01-11 | 江苏安靠智能输电工程科技股份有限公司 | Direct connection device of gas-insulated high-voltage switch and power transformer |
| CN114899030A (en) * | 2022-06-06 | 2022-08-12 | 山东泰开电力开关有限公司 | Isolating switch with low-current switching-on and switching-off capability |
| CN115036169A (en) * | 2022-06-06 | 2022-09-09 | 山东泰开电力开关有限公司 | An isolating switch suitable for switching current of switching busbars in environmental protection gas |
-
2014
- 2014-07-02 CN CN201420364182.6U patent/CN203966948U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575698B (en) * | 2016-01-15 | 2018-01-09 | 许继（厦门）智能电力设备股份有限公司 | GIS combination electric appliance ground switch interlocking device |
| CN105575698A (en) * | 2016-01-15 | 2016-05-11 | 许继（厦门）智能电力设备股份有限公司 | Earthing switch interlocking device of GIS combined electrical apparatus |
| CN107045960A (en) * | 2017-02-08 | 2017-08-15 | 河南平高电气股份有限公司 | Touch base component, earthed switch, isolation ground connection stacked switch and switchgear |
| CN107045960B (en) * | 2017-02-08 | 2019-05-14 | 河南平高电气股份有限公司 | Touch base component, earthing switch, isolation ground connection stacked switch and switchgear |
| CN111105951A (en) * | 2018-10-29 | 2020-05-05 | 平高集团有限公司 | High voltage switch and its resistive static contact |
| CN110808189B (en) * | 2019-10-09 | 2022-03-08 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112038156B (en) * | 2020-06-22 | 2023-02-17 | 平高集团有限公司 | Double-break isolating switch and high-voltage line connection structure |
| CN112599375A (en) * | 2020-11-13 | 2021-04-02 | 许继（厦门）智能电力设备股份有限公司 | Alignment tool and assembly method for three-position switch |
| CN112599375B (en) * | 2020-11-13 | 2023-06-20 | 许继（厦门）智能电力设备股份有限公司 | Alignment tool and assembly method of three-station switch |
| CN113628901A (en) * | 2021-07-05 | 2021-11-09 | 平高集团有限公司 | Three-phase common-box switch |
| CN113917300A (en) * | 2021-10-08 | 2022-01-11 | 江苏安靠智能输电工程科技股份有限公司 | Direct connection device of gas-insulated high-voltage switch and power transformer |
| CN114899030A (en) * | 2022-06-06 | 2022-08-12 | 山东泰开电力开关有限公司 | Isolating switch with low-current switching-on and switching-off capability |
| CN115036169A (en) * | 2022-06-06 | 2022-09-09 | 山东泰开电力开关有限公司 | An isolating switch suitable for switching current of switching busbars in environmental protection gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203966948U (en) | A kind of three station isolation grounding switchs | |
| EP2474991B1 (en) | Switch unit and switchgear | |
| CN107731619A (en) | A kind of High aititude indoor HVAC combined vacuum breaker | |
| CN104064397A (en) | Lumbar-support rotary-type voltage-sharing grounding shielding high-voltage vacuum arc extinguishing chamber solid-sealed polar pole | |
| CN105070577A (en) | Isolation grounding switch mechanism, single-pole component and GIS electrical equipment | |
| CN201498869U (en) | Vacuum ring main unit | |
| CN203552958U (en) | Large-current isolation switch structure | |
| CN105551876B (en) | A fully insulated outdoor vacuum switch based on double-chamber vacuum interrupter | |
| CN201829815U (en) | Small intelligent vacuum ring-network cabinet | |
| CN202856229U (en) | Solid insulating ring main unit | |
| CN102543558B (en) | Vacuum switch module for looped network cabinet | |
| US10763062B2 (en) | Switching device with dual conductive housing | |
| CN205429555U (en) | Load switch - fuse combined electrical apparatus list phase module | |
| CN103199453A (en) | Nitrogen insulation ring main unit | |
| CN108767729A (en) | A kind of small-sized side-mounted looped network breaker cabinet | |
| CN203301039U (en) | Composite high-voltage combined electrical appliance and monopole structure thereof | |
| CN203521276U (en) | Line-shaped rapid grounding switching device | |
| CN103326272B (en) | A kind of composite type high-voltage combined electrical apparatus and monopolar configuration thereof | |
| CN106099656B (en) | High-voltage AC switch cabinet | |
| CN202058608U (en) | Three position switch controlling means of GIS combined electric appliance | |
| RU129293U1 (en) | HIGH VOLTAGE TANK SWITCH WITH GAS INSULATION | |
| CN104143466A (en) | A grounding switch assembly unit and its high-speed grounding switch | |
| CN203850705U (en) | Solid insulation ring network cabinet | |
| CN203312126U (en) | Outdoor high-voltage direct operated isolation switch with overvoltage protection device | |
| CN105244795A (en) | Single-phase module for load switch-fuse combination unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 115009 Liaoning city of Yingkou province Yingkou economic and Technological Development Zone Xiongyue town Patentee after: NEW NORTHEAST ELECTRIC GROUP HIGH VOLTAGE SWITCHGEAR CO.,LTD. Address before: 110027 No. 14, five, road 5, Shenyang economic and Technological Development Zone, Shenyang, Liaoning Patentee before: New Northeast Electric Group High Voltage Switch Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |