CN2746507Y - 126 KV single fracture outdoor high-voltage vacuum circuit breaker - Google Patents
126 KV single fracture outdoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN2746507Y CN2746507Y CN 200420109710 CN200420109710U CN2746507Y CN 2746507 Y CN2746507 Y CN 2746507Y CN 200420109710 CN200420109710 CN 200420109710 CN 200420109710 U CN200420109710 U CN 200420109710U CN 2746507 Y CN2746507 Y CN 2746507Y
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- iron core
- permanent
- connecting terminal
- outdoor high
- 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
- 229920002545 silicone oil Polymers 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims description 14
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 7
- 238000009422 external insulation Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 abstract 3
- 230000008901 benefit Effects 0.000 abstract 2
- 230000005404 monopole Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a 126 kV single fracture outdoor high-voltage vacuum circuit breaker, being applicable for protecting and controlling power generating plants and substations in an electric power system, comprising three monopoles which are mounted on the base frame of a circuit breaker. Each monopole is composed of an outer insulating device, a vacuum arc-extinguishing chamber and a permanent magnet control mechanism; wherein, the outer insulating device is composed of a ceramic bushing for the arc-extinguishing chamber, a ceramic bushing for a column support, and silicone oil insulating medium in the ceramic bushings. The lower part of the arc-extinguishing chamber and the lower part of an insulating pull rod are respectively provided with a corrugated bushing sealing device; the upper connecting terminal and the lower connecting terminal of the circuit breaker are respectively mounted with an integrally moulded heat radiator; an overtravel spring is a double layer combined spring; the permanent magnet control mechanism adopts a double coil bistable permanent magnet operating mechanism with the structure of four-pole longitudinal magnetic field. The 126 kV single fracture outdoor high-voltage vacuum circuit breaker is benefit for environmental protection because SF6 is not used completely. The 126 kV single fracture outdoor high-voltage vacuum circuit has the advantages of simple structure, low cost, reliable performance.
Description
Technical field
The utility model relates to the high pressure or the high-current switch technical field of band arc extinguishing or flash guard, especially relates to the single break vacuum circuit-breaker that the power plant that is used for electric power system and transformer station make the voltage levels of protection and control.
Background technology
The single break vacuum circuit-breaker of 126kV electric pressure, the Insulation Problems, the even distribution problem of vacuum interrupter internal electric field and the assurance that need to solve the long gap of vacuum have enough problems such as longitudinal magnetic field intensity; The high-voltage switch gear of present domestic 126kV electric pressure mainly still is SF
6Switch, and SF
6Belong to the compound that the Kyoto Protocol prescribed limits is used, units concerned such as Environmental Protection in China department and State Power Corporation have proposed specifically to limit SF
6The suggestion of gas emissions and reduction use amount, SF in the long run
6Switch will be replaced; To these relevant issues, the inventor had once done elaboration in February, 2003 in " High-Voltage Electrical Appliances " the 39th volume first-phase " product development of opinion high voltage vacuum interrupter and vacuum circuit-breaker "; For being the research object aspect with voltage levels single break vacuum switch medium recovery characteristic, the inventor reaches in the literary compositions such as " researchs that the 750kv EHV Vacuum Breaker is selected intelligent optical mode control for use " and once did discussion in " necessity of opinion exploitation 750kv EHV Vacuum Breaker ", and the principle of argumentation and the scheme of proposition are fit to 126kV single break outdoor high-voltage vacuum breaker Products Development equally; Need to solve the present domestic production report that satisfactory this kind product of every performance is arranged of not seeing as yet but in actual production, remain some problems.
Summary of the invention
The purpose of this utility model provides a kind of without SF
6, cost is low, reliability is high, the simple 126kV single break of operating mechanism outdoor high-voltage vacuum breaker.
For achieving the above object, the technical solution adopted in the utility model is such: a kind of 126kV single break outdoor high-voltage vacuum breaker, comprise three one poles that are installed on the circuit breaker underframe, every one pole is made up of external insulation device, vacuum interrupter, several parts of permanent-magnet manipulating mechanism; Wherein the external insulation device is made up of the strut porcelain bushing of interrupting porcelain insulator that is in top and bottom, silicone oil dielectric in the insulator, for preventing that silicone oil from infiltrating vacuum interrupter and from the outflow of circuit breaker inner chamber, in the arc control device bottom and the insulated tension pole bottom corrugated bushing sealing device is set respectively; The radiating effect of the heat that produces was installed the cast-in-block radiator respectively at the upper connecting terminal and the lower connecting terminal place of circuit breaker when the conduction major loop was by big electric current when moving for improving circuit breaker; For preventing switch-on trip of vacuum circuit breaker, the overtravel spring is designed to double-deck cluster spring; For permanent-magnet manipulating mechanism, adopt the twin coil bi-stable permanent magnetism operating mechanism of four utmost point longitudinal magnetic field structures.
Owing to adopted technique scheme, 126kV single break outdoor high-voltage vacuum breaker of the present utility model reaches fully without SF
6, help environmental protection; It is simple in structure, cost is low, dependable performance.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a scheme of installation of the present utility model.
Fig. 2 is the utility model monopolar configuration schematic diagram.
Fig. 3 is the utility model parts 10 permanent-magnet manipulating mechanism enlarged diagrams.
Among the figure: 1, circuit breaker one pole body, 2, underframe, 3, last radiator, 4, silicone oil, 5, buffer unit, 6, last sealing corrugated bushing, 7, overtravel spring assembly device, 8, lower connecting terminal, 9, the lower seal corrugated bushing, 10, permanent-magnet manipulating mechanism, 11, strut porcelain bushing, 12, insulated tension pole, 13, conducting bracket, 14, following radiator, 15, moving conductive rod, 16, following conducting ring, 17, interrupting porcelain insulator, 18, vacuum interrupter, 19, static conductive rod, 20, last conducting ring, 21, upper connecting terminal, 22, drive rod, 23, static iron core, 24, closing coil, 25, permanent magnet, 26, moving iron core, 27, switching winding, 28, cushion pad, 29, the separating brake acceleration spring.
Embodiment
Contrast accompanying drawing 1-3, a kind of 126kV single break outdoor high-voltage vacuum breaker of the present utility model comprises three one pole bodies 1 that are installed on the circuit breaker underframe 2, each one pole is made up of external insulation device, vacuum interrupter 18, permanent-magnet manipulating mechanism more than 10 parts; Wherein the external insulation device is made up of silicone oil 4 dielectrics in interrupting porcelain insulator 17 and strut porcelain bushing 11, the insulator; Said vacuum interrupter 18 is in the circuit breaker one pole body 1 top inner chamber, be connected to static conductive rod 19 on it, go up conducting ring 20 and upper connecting terminal 21, it joins through buffer unit 5 and moving conductive rod 15, following conducting ring 16 and lower connecting terminal 8 down, and moving conductive rod is connected to for 15 times and is installed in overtravel spring assembly device 7 on the conducting bracket 13; Connect insulated tension pole 12 under the pull bar of overtravel spring assembly device 7, connect permanent-magnet manipulating mechanism 10 under the insulated tension pole; For preventing that silicone oil from infiltrating vacuum interrupter and from the outflow of circuit breaker inner chamber, in arc control device 18 bottoms and insulated tension pole 12 bottoms corrugated bushing sealing device 6,3 is set respectively; The radiating effect of the heat that produces when the conduction major loop is by big electric current when moving for improving circuit breaker is installed cast-in-block radiator 3,14 up and down respectively at the upper connecting terminal 21 and lower connecting terminal 8 places of circuit breaker; For preventing switch-on trip of vacuum circuit breaker, the spring of overtravel spring assembly device is designed to double-deck cluster spring; Said permanent-magnet manipulating mechanism 10 adopts the twin coil bi-stable permanent magnetism operating mechanism of four utmost point longitudinal magnetic field structures, is with static iron core 23 around it, and the right and left middle part of static iron core is inwardly protruding, and this protruding end respectively is fixed with a permanent magnet 25; Be embedded with four coils symmetrically at the static iron core inner chamber, two of its middle and upper part is closing coil 24, and two of the bottom is switching winding 27; The static iron core lumen centers is provided with a moving iron core 26, fixes a drive rod 22 on the moving iron core, and it joins with insulated tension pole 12 above the permanent-magnet manipulating mechanism, and the drive rod bottom is arranged with separating brake acceleration spring 29; Be lined with cushion pad 28 in static iron core inner chamber bottom surface.
Claims (1)
1, a kind of 126kV single break outdoor high-voltage vacuum breaker comprises three the one pole bodies (1) that are installed on the circuit breaker underframe (2), and every one pole is made up of external insulation device, vacuum interrupter (18), several parts of permanent-magnet manipulating mechanism (10); Wherein the external insulation device is made up of silicone oil (4) dielectric in interrupting porcelain insulator (17) and strut porcelain bushing (11), the insulator; Said vacuum interrupter (18) is in the inner chamber of circuit breaker one pole body (1) top, be connected to static conductive rod (19) on it, go up conducting ring (20) and upper connecting terminal (21), it joins through buffer unit (5) and moving conductive rod (15), following conducting ring (16) and lower connecting terminal (8) down, is connected under the moving conductive rod (15) to be installed in upward overtravel spring assembly (7) of conducting bracket (13); Connect insulated tension pole (12) under the pull bar of overtravel spring assembly (7), connect permanent-magnet manipulating mechanism (10) under the insulated tension pole, it is characterized in that: in arc control device (18) bottom and insulated tension pole (12) bottom corrugated bushing sealing device (6,3) is set respectively; Upper connecting terminal (21) and lower connecting terminal (8) at circuit breaker locate to install respectively cast-in-block radiator (3,14) up and down; The spring of its overtravel spring assembly device (7) is double-deck cluster spring; Said permanent-magnet manipulating mechanism (10), adopt the twin coil bi-stable permanent magnetism operating mechanism of four utmost point longitudinal magnetic field structures, be with static iron core (23) around it, the right and left middle part of static iron core is inwardly protruding, and this protruding end respectively is fixed with a permanent magnet (25); Be embedded with four coils symmetrically at the static iron core inner chamber, two of its middle and upper part is closing coil (24), and two of the bottom is switching winding (27); The static iron core lumen centers is provided with a moving iron core (26), fixes a drive rod (22) on the moving iron core, and it joins with insulated tension pole (12) above the permanent-magnet manipulating mechanism, and the drive rod bottom is arranged with separating brake acceleration spring (29); Be lined with cushion pad (28) in static iron core inner chamber bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109710 CN2746507Y (en) | 2004-11-07 | 2004-11-07 | 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109710 CN2746507Y (en) | 2004-11-07 | 2004-11-07 | 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2746507Y true CN2746507Y (en) | 2005-12-14 |
Family
ID=35583084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420109710 Expired - Fee Related CN2746507Y (en) | 2004-11-07 | 2004-11-07 | 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2746507Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928261A (en) * | 2013-01-16 | 2014-07-16 | 王永法 | Hybrid all-insulated switch |
| CN105448580A (en) * | 2015-11-27 | 2016-03-30 | 平高集团有限公司 | High voltage vacuum circuit breaker and unipole thereof |
| CN106783368A (en) * | 2017-01-13 | 2017-05-31 | 中航宝胜电气股份有限公司 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
| CN109861123A (en) * | 2019-02-21 | 2019-06-07 | 陆春杰 | A kind of dynamic device of plug retracting increasing of switch cabinet handcart formula breaker |
| CN112927981A (en) * | 2021-01-07 | 2021-06-08 | 天津平高智能电气有限公司 | Opening electromagnet of spring operating mechanism |
| CN114429880A (en) * | 2021-12-17 | 2022-05-03 | 河南平高电气股份有限公司 | Vacuum arc extinguish chamber assembly and vacuum circuit breaker |
-
2004
- 2004-11-07 CN CN 200420109710 patent/CN2746507Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928261A (en) * | 2013-01-16 | 2014-07-16 | 王永法 | Hybrid all-insulated switch |
| CN105448580A (en) * | 2015-11-27 | 2016-03-30 | 平高集团有限公司 | High voltage vacuum circuit breaker and unipole thereof |
| CN105448580B (en) * | 2015-11-27 | 2018-11-06 | 平高集团有限公司 | A kind of high-pressure vacuum breaker and its monopole |
| CN106783368A (en) * | 2017-01-13 | 2017-05-31 | 中航宝胜电气股份有限公司 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
| CN106783368B (en) * | 2017-01-13 | 2019-01-25 | 中航宝胜电气股份有限公司 | The pillar high-pressure vacuum breaker of silicon rubber sealed pole |
| CN109861123A (en) * | 2019-02-21 | 2019-06-07 | 陆春杰 | A kind of dynamic device of plug retracting increasing of switch cabinet handcart formula breaker |
| CN109861123B (en) * | 2019-02-21 | 2020-05-08 | 红光电气集团有限公司 | Plug winding and driving device of handcart type circuit breaker of switch cabinet |
| CN112927981A (en) * | 2021-01-07 | 2021-06-08 | 天津平高智能电气有限公司 | Opening electromagnet of spring operating mechanism |
| CN112927981B (en) * | 2021-01-07 | 2023-08-08 | 天津平高智能电气有限公司 | Separating brake electromagnet of spring operating mechanism |
| CN114429880A (en) * | 2021-12-17 | 2022-05-03 | 河南平高电气股份有限公司 | Vacuum arc extinguish chamber assembly and vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051214 Termination date: 20121107 |