CN202633153U - High-voltage alternating current combined-type vacuum breaker - Google Patents
High-voltage alternating current combined-type vacuum breaker Download PDFInfo
- Publication number
- CN202633153U CN202633153U CN 201220347244 CN201220347244U CN202633153U CN 202633153 U CN202633153 U CN 202633153U CN 201220347244 CN201220347244 CN 201220347244 CN 201220347244 U CN201220347244 U CN 201220347244U CN 202633153 U CN202633153 U CN 202633153U
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- switch unit
- breaker
- unit
- voltage alternating
- type vacuum
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Abstract
The utility model relates to a high-voltage alternating current combined-type vacuum breaker. The vacuum breaker comprises a breaker unit, an isolating switch unit, a grounded switch unit and an interlocking mechanism, wherein the breaker unit, the isolating switch unit, the grounded switch unit and the interlocking mechanism are assembled on the same frame; the primary conductive part of the breaker unit is combined together with a primary conductive movable contact of the isolating switch unit in an embedded manner; a primary conductive static contact of the isolating switch unit and a cover insulating barrel are separately mounted on the frame; an air insulation interval is formed between the movable contact and the static contact of the isolating switch unit; one end of an embedded pole of the breaker unit and the static contact of the grounded unit are commonly mounted on an insulation bracket through a conductive bar to form a whole. The high-voltage alternating current combined-type vacuum breaker is compact in structure, small in integral mounting size, good in safety performance, high in reliability and long in repair cycle and can be operated reasonably; and the electrical performance of the units can be coordinated and matched well within a limited frame space.
Description
Technical field
The utility model relates to the technical field of High-Voltage Electrical Appliances, particularly a kind of high-voltage alternating composite type vacuum circuit-breaker.
Background technology
Existing high-voltage AC breaker normally is installed in the metal enclosed switchgear with handcart or fixed form; Circuit breaker is as the core parts of switchgear; Can carry, cut-off and close the normal current on zygonema road, also can carry, cut-off and close the abnormal current that closes regulation at the appointed time.Circuit breaker is being born the major function of metal enclosed switchgear, but circuit breaker is not the whole of metal enclosed switchgear, and metal enclosed switchgear also is equipped with isolating switch and earthed switch usually.Isolating switch is when minute position, and the insulation distance of requirement up to specification and tangible fracture sign are arranged between contact; When closing the position, can carry the electric current and the switch of the electric current under the exceptional condition at the appointed time under the regular link condition.Earthed switch is a kind of mechanical switch device that is used for loop ground connection.The metal enclosed switchgear inner member generally is separately independently on the market now; Circuit breaker, isolating switch, earthed switch and interlock are each other produced separately, their installation with cooperate the difficulty, be difficult to combine well the performance their performances separately; What is more; Owing to do not match between the element, produce the hidden danger on the safety, cause security incident.To above-mentioned situation; The utility model is designed and developed a kind of high-voltage alternating composite type vacuum circuit-breaker; Be combined into a new-type element to circuit breaker, isolating switch and earthed switch, solve the disadvantage that each element independently can't effectively combine separately in the metal enclosed switchgear.
The utility model content
The shortcoming that the purpose of the utility model is to overcome prior art provides a kind of high-voltage alternating composite type vacuum circuit-breaker with not enough.It is combined into a new device to circuit breaker, isolating switch and earthed switch, solves the disadvantage that each element independently can't effectively combine separately in the metal enclosed switchgear; Adopt vacuum extinction technology and solid encapsulation technique in addition, both solved SF
6The gaseous environment pollution risk has solved the low defective of the big reliability of air insulation structural volume again.
In order to achieve the above object, the utility model adopts following technical scheme:
The utility model relates to a kind of high-voltage alternating composite type vacuum circuit-breaker; Comprise breaker unit, Disconnecting switch unit, earthed switch unit and interlocking device, said breaker unit, Disconnecting switch unit, earthed switch unit and interlocking device are assemblied on the same framework; The primary conductive part of said breaker unit and the moving contact of Disconnecting switch unit primary conductive combine to seal the insulation form admittedly; The fixed contact of said Disconnecting switch unit primary conductive and cover type insulating cylinder thereof are arranged separately on the framework, and the moving contact of Disconnecting switch unit and fixed contact form air insulation at interval; The lower end of the pole of said breaker unit and the fixed contact of ground unit are installed on the insulating support jointly; Said removable earthed switch unit is installed on the framework; The interlocking device of said Disconnecting switch unit, vacuum circuit-breaker unit, earthed switch unit is installed on the framework.
Preferably, the vacuum interrupter of said breaker unit, upward outlet, following outlet and isolating switch supporting seat are packaged into one with epoxy resin, form airtight pole.
Preferably, the last outlet of said breaker unit and the moving contact of Disconnecting switch unit are realized electrically connecting with spring touch finger, and moving contact can move up and down.
Preferably, following outlet one end of said breaker unit and vacuum interrupter are realized electrically connecting with spring touch finger, and the other end is installed busbar and the earthed switch unit combination is integral.
Preferably; Said Disconnecting switch unit is arranged on the top of breaker unit; The fixed contact of Disconnecting switch unit is installed in the cover type insulating cylinder, and the moving contact of Disconnecting switch unit is installed in the pole left end, and the moving contact of Disconnecting switch unit is rectilinear motion up and down.
Preferably, the operating mechanism of said breaker unit is equipped with drive rod, drives connecting lever, support is won in succession, transmission is won in succession, output toggle arm, triangle connecting lever, oil bumper and sluice separating spring.
Preferably, the fixed contact and the breaker unit leading-out terminal of said earthed switch unit are combined into an integral body through busbar.
Preferably, said earthed switch unit is dismantled and assembled modular earthed switch, and earthed switch links into an integrated entity through the fastening bolt and the framework of earthed switch.
Preferably, said interlocking device is equipped with valve gear, alignment pin, tooth bar, lock pin, ground connection transmission crank arm, ground connection main shaft and valve power transmission shaft.
The utility model technology has following advantage and effect with respect to prior art:
1, the utility model is combined into a new-type element to circuit breaker, isolating switch and earthed switch, has solved the disadvantage that each element independently can't effectively combine separately in the metal enclosed switchgear.
2, the utility model design has the Direct Action Type isolating switch of visual fracture, and insulating contact adopts air insulation up and down, and no organic insulator connects between contact, has avoided reducing because of condensation the risk of insulation, and security performance is high.
3, the utility model adopts the epoxy resin technology packet, when improving the primary circuit insulation property, has reached compact conformation, miniaturization and non-maintaining good result.
4, the utility model adopts the dismantled and assembled earthed switch of modularization to be implemented in to stand under the specified making current E1 level electric life that close twice pass, and realizes long-life, the premium properties of high reliability and easy access.
Description of drawings
Fig. 1 is the side structure sketch map of the utility model;
Fig. 2 is the utility model front sectional structure sketch map;
Fig. 3 is the operating mechanism structural representation of the utility model;
Fig. 4 is interlocking device's structural representation of the utility model.
The drawing reference numeral explanation:
1, Disconnecting switch unit;
2, framework;
3, breaker unit;
4, earthed switch unit;
5, operating mechanism;
6, pole;
7, earthed switch fastening bolt;
8, go up outlet;
9, vacuum interrupter;
10, moving contact;
11, outlet down;
12, isolating switch supporting seat;
13, insulating support;
14, fixed contact;
15, interlocking device;
16, drive rod;
17, drive connecting lever;
18, support is won in succession;
19, transmission is won in succession;
20, output toggle arm;
21, triangle connecting lever;
22, oil bumper;
23, sluice separating spring;
24, valve gear;
25, alignment pin;
26, tooth bar;
27, lock pin;
28, ground connection transmission crank arm;
29, ground connection main shaft;
30, valve power transmission shaft.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the execution mode of the utility model is not limited thereto.
Embodiment
Present embodiment is a kind of high-voltage alternating composite type vacuum circuit-breaker; Breaker unit 3; Arrange before and after the major loop three-phase of Disconnecting switch unit 1 and earthed switch unit 4, be connected in series, be combined into one through the solid encapsulation technique of epoxy resin; Interlocking device 15 realizes the operating sequence and the chain function of regulation, specifically describes as follows:
Like Fig. 1, shown in Figure 2, high-voltage alternating composite type vacuum circuit-breaker comprises breaker unit 3, Disconnecting switch unit 1, earthed switch unit 4 and interlocking device 15; Said breaker unit 3, Disconnecting switch unit 1, earthed switch unit 4 and interlocking device 15 all are assemblied on the same framework 2; The primary conductive part of said breaker unit 3 and the moving contact of Disconnecting switch unit 1 primary conductive combine to seal insulation technology admittedly; The fixed contact 14 of Disconnecting switch unit 1 primary conductive is arranged separately on the framework 2, and the moving contact 10 of Disconnecting switch unit 1 forms insulation gap with fixed contact 14.One end of the pole 6 of breaker unit and the fixed contact of ground unit are installed on the insulating support 13 through busbar jointly, are combined into one.On the major loop of high-voltage alternating composite type vacuum circuit-breaker vertically conducts electricity connection line, organically combine said units through sealing insulation technology admittedly.
Said Disconnecting switch unit 1 is arranged on the top of breaker unit 3, and the fixed contact 14 of Disconnecting switch unit 1 is installed in the cover type insulating cylinder, the moving contact of Disconnecting switch unit 1 rectilinear motion about in the of 10.
Said breaker unit 3 is equipped with vacuum interrupter 9; The vacuum interrupter 9 of breaker unit 3 is sealed by epoxy resin admittedly, and vacuum interrupter 9 quiet ends are combined into an integral body through the moving contact 10 of last outlet 8 and Disconnecting switch unit 1, and last outlet 8 and Disconnecting switch unit 1 moving contact 10 is connected through fingertip.Be specially: the vacuum interrupter 9 of said breaker unit 3, upward outlet 8, following outlet 11 and isolating switch supporting seat 12 usefulness epoxy resin are packaged into one, form airtight pole 6.The last outlet 8 of said breaker unit 3 realizes electrically connecting with spring touch finger with the moving contact 10 of Disconnecting switch unit 1, and moving contact 10 is flexible motion up and down.Following outlet 11 1 ends of said breaker unit 3 and vacuum interrupter 9 are realized electrically connecting with spring touch finger, and the other end is installed busbar and earthed switch unit 10 is combined into one.Vacuum interrupter 9 solves the problem of divide-shut brake extinguish arcs; The solid epoxy sealing solves and realizes the problem of external insulation miniaturization, and present embodiment belongs to middle pressure field, arranges before and after the switchgear three-phase; The operating mechanism 5 of breaker unit 3 is convenient to control and overhaul up front.Going up mutually of three-phase major loop, be furnished with Direct Action Type Disconnecting switch unit 1, breaker unit 3 and earthed switch unit 4 respectively from top to bottom at each.Each mutually on the electrical equipment of serial connection adopt solid epoxy to seal combination; Making switchgear have height cut-offs to close and closes performance and good insulation performance performance; Compact conformation, advantage such as actuating is reasonable, and installation volume is little, security performance good, reliability is high, the time between overhauls(TBO) is long.
Said earthed switch unit 4 is dismantled and assembled modular earthed switch, and earthed switch unit 4 links into an integrated entity through earthed switch fastening bolt 7 and framework 2.The stationary contact of said earthed switch unit 4 and breaker unit 3 leading-out terminals are combined into an integral body through busbar, and the earthed switch three-phase moving contact is the disconnecting link form.The fixed contact of earthed switch unit 4 and the vacuum interrupter of breaker unit 9 composition galvanic circles, the major loop three-phase is installed on the framework independently of one another, and earthed switch unit 4 adopts dismantled and assembled modular organization to be installed on the framework simultaneously.
As shown in Figure 3, the operating mechanism 5 of said breaker unit is equipped with drive rod 16, drive connecting lever 17, support win 18 in succession, transmission wins 19 in succession, output toggle arm 20, triangle connecting lever 21, oil bumper 22, sluice separating spring 23.The feed motion of breaker unit: through the energy of combined floodgate tripping mechanism release combined floodgate spring, drive triangle connecting lever 21 and output toggle arm 20 interlocks, rotate counterclockwise; Output toggle arm 20 promotes transmissions and wins 19 in succession, and drive rod 16 is won in succession in transmission and 19 won in succession under 18 actings in conjunction to left movement with support, and drive rod 16 drives and drives connecting levers 17 actions; Drive connecting lever 17 the moving contact of Motion Transmission to vacuum interrupter 9, contact closure, meanwhile; Sluice separating spring 23 compressed energy-storages; Support roller on the triangle connecting lever 21 is pressed on the dropout semiaxis, makes transmission mechanism remain on closing position, accomplishes feed motion.The separating brake action of breaker unit: electronic release or manual force rotate the dropout semiaxis; Triangle connecting lever 21 clockwise rotates with output toggle arm 20; Drive rod 16 moves right under the acting in conjunction of sluice separating spring 23 and vacuum interrupter 9 contact pressures; Drive connecting lever 17 and clockwise rotate, the roller that drives on the connecting lever 17 is pressed on the oil bumper 22, accomplishes the separating brake action.
As shown in Figure 4, said interlocking device 15 is equipped with valve gear 24, alignment pin 25, tooth bar 26, lock pin 27, ground connection transmission crank arm 28, ground connection main shaft 29, valve power transmission shaft 30.Fig. 4 is isolating switch combined floodgate, earthed switch separating brake, valve open mode; At this moment earthed switch can not close a floodgate; Diagram lock pin 27 pins tooth bar 26 and makes its akinesia; Actively then ground connection transmission crank arm 28 is inactive for tooth bar 26, ground connection transmission crank arm 28 not actively then ground connection main shaft 29 can not rotate, earthed switch pins and can not close a floodgate.When the isolating switch separating brake, lock pin 27 rotates and gets out of the way locked position, earthed switch release; Earthed switch closes a floodgate, and ground connection main shaft 29 drives ground connection transmission crank arm 28 and clockwise rotates, and tooth bar 26 is action downwards under the condition of alignment pin 25 location; Tooth bar 26 drives valve gear 24 and rotates, and valve gear 24 drives valve power transmission shaft 30 and rotates, and valve is closed; Accomplish landing operation, state at this moment is that isolating switch separating brake, earthed switch close a floodgate, valve is closed.At this moment lock pin 27 is pressed in the projection position of tooth bar 26, and isolating switch can not close a floodgate.
The foregoing description be the utility model preferred embodiment; But the execution mode of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection range of the utility model.
Claims (9)
1. high-voltage alternating composite type vacuum circuit-breaker; Comprise Disconnecting switch unit (1), breaker unit (3), earthed switch unit (4) and interlocking device (15); It is characterized in that, said Disconnecting switch unit (1), breaker unit (3), earthed switch unit (4) and interlocking device (15) according to instructions for use combine and assemble successively on same framework (2); The primary conductive part of said breaker unit (3) and the moving contact (10) of Disconnecting switch unit (1) primary conductive combine with solid envelope insulation and fingertip structure; The fixed contact (14) and the cover type insulating cylinder thereof of said Disconnecting switch unit (1) primary conductive are arranged separately on the framework, and the moving contact (10) of Disconnecting switch unit (1) forms air insulation at interval with fixed contact (14); The lower end of the pole (6) of said breaker unit (3) and the fixed contact (14) of earthed switch unit (1) are installed on the insulating support (13) through busbar jointly, are combined into one.
2. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that; The vacuum interrupter (9) of said breaker unit (3), upward outlet (8), following outlet (11) and isolating switch supporting seat (12) are packaged into one with epoxy resin, form airtight pole (6).
3. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that; The last outlet (8) of said breaker unit (3) realizes electrically connecting with spring touch finger with the moving contact (10) of Disconnecting switch unit (1), and moving contact (10) can move up and down.
4. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that; Following outlet (11) one ends of said breaker unit (3) and vacuum interrupter (9) are realized electrically connecting with spring touch finger, and the other end is installed busbar and earthed switch unit (10) are combined into one.
5. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that; Said Disconnecting switch unit (1) is arranged on the top of breaker unit (3); The fixed contact (14) of Disconnecting switch unit (1) is installed in the cover type insulating cylinder, and the moving contact (10) of Disconnecting switch unit (1) is installed in pole (6) left end, and the moving contact (10) of Disconnecting switch unit (1) is rectilinear motion up and down.
6. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that the operating mechanism (5) of said breaker unit (3) is equipped with drive rod (16), drives connecting lever (17), support is won in succession (18), transmission is won in succession (19), output toggle arm (20), triangle connecting lever (21), oil bumper (22) and sluice separating spring (23).
7. high-voltage alternating composite type vacuum circuit-breaker according to claim 1 is characterized in that, the fixed contact of said earthed switch unit (4) and breaker unit (3) leading-out terminal are combined into an integral body through busbar.
8. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that; Said earthed switch unit (4) is dismantled and assembled modular earthed switch, and earthed switch (4) links into an integrated entity with framework (2) through the fastening bolt (7) of earthed switch.
9. high-voltage alternating composite type vacuum circuit-breaker according to claim 1; It is characterized in that said interlocking device (15) is equipped with valve gear (24), alignment pin (25), tooth bar (26), lock pin (27), ground connection transmission crank arm (28), ground connection main shaft (29) and valve power transmission shaft (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347244 CN202633153U (en) | 2012-07-17 | 2012-07-17 | High-voltage alternating current combined-type vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347244 CN202633153U (en) | 2012-07-17 | 2012-07-17 | High-voltage alternating current combined-type vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633153U true CN202633153U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220347244 Expired - Fee Related CN202633153U (en) | 2012-07-17 | 2012-07-17 | High-voltage alternating current combined-type vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633153U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298397A (en) * | 2016-08-31 | 2017-01-04 | 中国西电电气股份有限公司 | A kind of isolation circuit breakers cubicle switch and operational approach |
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN110998773A (en) * | 2017-08-03 | 2020-04-10 | 努文图拉有限责任公司 | Circuit breaker for gas-insulated switchgear |
| CN111091998A (en) * | 2018-10-23 | 2020-05-01 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
| CN114496644A (en) * | 2021-12-23 | 2022-05-13 | 南瑞智能配电技术有限公司 | Insulating switch module and direct-acting air-insulated circuit breaker switch |
| CN114496644B (en) * | 2021-12-23 | 2024-04-26 | 南瑞智能配电技术有限公司 | Insulating switch module and direct-acting air insulating circuit breaker switch |
-
2012
- 2012-07-17 CN CN 201220347244 patent/CN202633153U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298397A (en) * | 2016-08-31 | 2017-01-04 | 中国西电电气股份有限公司 | A kind of isolation circuit breakers cubicle switch and operational approach |
| CN110998773A (en) * | 2017-08-03 | 2020-04-10 | 努文图拉有限责任公司 | Circuit breaker for gas-insulated switchgear |
| CN111091998A (en) * | 2018-10-23 | 2020-05-01 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
| CN111091998B (en) * | 2018-10-23 | 2022-06-28 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
| CN110233082A (en) * | 2019-06-27 | 2019-09-13 | 瑞熙恩电气（珠海）有限公司 | Permanent magnetic vacuum breaker and gas-filling cabinet |
| CN110233082B (en) * | 2019-06-27 | 2024-02-20 | 瑞熙恩电气（珠海）有限公司 | Permanent magnet vacuum circuit breaker and inflatable cabinet |
| CN114496644A (en) * | 2021-12-23 | 2022-05-13 | 南瑞智能配电技术有限公司 | Insulating switch module and direct-acting air-insulated circuit breaker switch |
| CN114496644B (en) * | 2021-12-23 | 2024-04-26 | 南瑞智能配电技术有限公司 | Insulating switch module and direct-acting air insulating circuit breaker switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20121226 Termination date: 20170717 |