CN203503542U - Double-break tank vacuum circuit breaker - Google Patents
Double-break tank vacuum circuit breaker Download PDFInfo
- Publication number
- CN203503542U CN203503542U CN201320536159.6U CN201320536159U CN203503542U CN 203503542 U CN203503542 U CN 203503542U CN 201320536159 U CN201320536159 U CN 201320536159U CN 203503542 U CN203503542 U CN 203503542U
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- electric conductor
- tank
- double
- conductor
- sleeve pipe
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Abstract
The utility model discloses a double-break tank vacuum circuit breaker. By employing the double-break tank vacuum circuit breaker, problems in the prior art that a conventional double-break tank vacuum circuit breaker is composed of two serially connected arc extinguish chambers, and the conventional double-break tank vacuum circuit breaker is of complex structure, large size, poor heat dissipation performance and high cost are overcome. The double-break tank vacuum circuit breaker is characterized in that a vacuum chamber is composed of a steel tank, a left supporting insulator and a right supporting insulator, a Y-shaped movable conductor is vertically arranged under a left stationary conductor and a right stationary conductor which are disposed inside the vacuum chamber, a double-break is composed of the left stationary conductor, the right stationary conductor and the Y-shaped movable conductor, a left sleeve conductor is plugged with a connecting conductor arranged in a bend-type left tank, and a right sleeve conductor is plugged with a connecting conductor arranged in a bend-type right tank. The beneficial effects of the double-break tank vacuum circuit breaker are that: the vacuum chamber composed of the steel tank, the left supporting insulator and the right supporting insulator is employed as an arc extinguish chamber, and the double-break is formed by the Y-shaped movable conductor, so that one arc extinguish chamber, a porcelain bushing and an insulation connecting rod connecting two movable conductors are omitted, the double-break tank vacuum circuit breaker is of simple structure, small size and high heat dissipation performance, the coaxiality of two contacts of the movable conductor and two contacts of the stationary conductors is ensured, and manufacturing cost is reduced.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, particularly
oneplant double-fracture pot type vacuum circuit-breaker.
Background technology
Double-fracture pot type vacuum circuit-breaker is the important electric elements in high pressure power transmission and distribution, plays very important effect in whole electrical power trans mission/distribution system.The double-fracture vacuum circuit-breaker of prior art is composed in series by two arc control device, and each arc control device has an insulator, moving conductive body and quiet electric conductor are installed in insulator, then the arc control device level with insulator is arranged in metal can, effect due to gravity, moving conductive body contact part is easily downward-sloping, affect the axiality of moving conductive body contact and quiet electric conductor contact, and the fairlead of moving conductive body is produced to larger frictional force, therefore the surface roughness of fairlead and resistance to wear and length are had higher requirements, manufacture difficulty is larger, in addition in order to realize the interlock of two moving conductive bodies, need to be external by insulated connecting rod mechanical connection at two moving conductives, complex structure, volume is large, cost is high, publication number is that the disclosed vacuum insulated switch of US2001/0062117A has adopted double-fracture vacuum circuit-breaker, but its structure forms double-fracture by 2 moving contacts and 2 fixed contacts, and 2 fractures are placed in insulator, at insulator two ends, be welded with radome, quiet electric conductor is connected with bus and is integral by poured with epoxy resin, so complex structure, volume is large, poor radiation.
Summary of the invention
Problem to be solved in the utility model is, overcome deficiency and defect that prior art exists, provide a kind of simple in structure, volume is little, thermal diffusivity is good, directly moving conductive body is vertically mounted in vacuum chamber, can guarantees the axiality of moving conductive body contact and quiet electric conductor contact, reduction arc control device manufacturing cost
oneplant double-fracture pot type vacuum circuit-breaker.
The technical solution adopted in the utility model comprises cylinder of steel, in cylinder of steel left side, be welded with left support insulator, cylinder of steel right side is welded with right support insulator, by cylinder of steel, left support insulator and right support insulator form vacuum chamber, left support insulator left side is fixedly connected with the left tank of elbow type, right support insulator right side is fixedly connected with the right tank of elbow type, the other end at the left tank of elbow type is fixedly connected with left sleeve pipe, the other end at the right tank of elbow type is fixedly connected with right sleeve pipe, by left sleeve pipe, the left tank of elbow type and left support insulator form left interstar connection room, by right sleeve pipe, the right tank of elbow type and right support insulator form right interstar connection room, left quiet electric conductor and right quiet electric conductor are installed in vacuum chamber, between left quiet electric conductor and right quiet electric conductor, be welded with the insulating barrier of insulation and fixation, on a left side, quiet electric conductor contact place is welded with left radome, on the right side, quiet electric conductor contact place is welded with right radome, at right angle setting Y type moving conductive body under the quiet electric conductor in a left side and right quiet electric conductor, the quiet electric conductor in a described left side, right quiet electric conductor and Y type moving conductive body form double-fracture, attended operation insulator below Y type moving conductive body, tank body is stretched out from the opening part of cylinder of steel in operation insulator lower end, on operation insulator, cover has bellows and fairlead.
In described left support insulator, there is left electric conductor, the right side of left electric conductor is connected with left quiet electric conductor, pass on left bolt and be fixedly connected with the left lengthening electric conductor of elbow type, the other end of the left lengthening electric conductor of elbow type is bolted to connection left connection electric conductor, the left sleeve pipe electric conductor being integrated with left sleeve pipe in left sleeve pipe is pegged graft with the left electric conductor that is connected, in described right support insulator, there is right electric conductor, the left side of right electric conductor is connected with right quiet electric conductor, right side is bolted to connection the right lengthening electric conductor of elbow type, the other end of the right lengthening electric conductor of elbow type is bolted to connection right connection electric conductor, the right sleeve pipe electric conductor being integrated with right sleeve pipe in right sleeve pipe is pegged graft with the right electric conductor that is connected.
The two-port axis angle of the left tank of described elbow type and the right tank of described elbow type is 95～115 degree.
Described in during use, vacuum chamber keeps vacuum state, described left interstar connection room and right interstar connection room are filled with clean dried compressed air or other gas as dielectric or keep vacuum state.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model has overcome prior art and has been composed in series by two arc control device, complex structure, volume is large, the problem that poor radiation and cost are high, employing is by cylinder of steel, left support insulator and right support insulate molecular vacuum chamber as arc control device, left in vacuum chamber, at right angle setting Y type moving conductive body under right 2 quiet electric conductors, by a left side, right 2 quiet electric conductors and Y type moving conductive body form double-fracture, omitted the insulated connecting rod of arc control device and insulator and two moving conductive bodies of connection, so simple in structure, volume is little, thermal diffusivity is good, owing to directly Y type moving conductive body being vertically mounted in vacuum chamber, can guarantee the axiality of moving conductive body contact and quiet electric conductor contact, reduced manufacturing cost.
(2) the utility model is owing to adopting the left tank of elbow type to be connected electric conductor with the right tank of elbow type and left and right 2 elbow types lengthening electric conductor with 2, by left and right 2 connect electric conductors respectively with left sleeve pipe in left sleeve pipe electric conductor and the right sleeve pipe electric conductor in right sleeve pipe peg graft, simple in structure, compact.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the A-A cutaway view of Fig. 2.
In figure:
1. vacuum chamber,
1-1. Y type moving conductive body, the left quiet electric conductor of 1-2.,
The right quiet electric conductor of 1-3., 1-4. operates insulator,
1-5. bellows, the left radome of 1-6.,
The right radome of 1-7., 1-8. insulating barrier,
1-9. fairlead,
2. left interstar connection room,
3. right interstar connection room,
4. left support insulator,
The left electric conductor of 4-1.,
5. right support insulator,
The right electric conductor of 5-1.,
6. the left tank of elbow type,
7. the right tank of elbow type,
8. the left lengthening electric conductor of elbow type,
9. the right lengthening electric conductor of elbow type,
10. left connection electric conductor,
11. right connection electric conductors,
12. left current transformers,
13. right current transformers,
14. left sleeve pipes,
The left sleeve pipe electric conductor of 14-1.,
15. right sleeve pipes,
The right sleeve pipe electric conductor of 15-1.,
16. cylinder of steels.
Embodiment
Below in conjunction with accompanying drawing, provide embodiment of the present utility model.
As shown in the figure, the utility model comprises cylinder of steel 16, cylinder of steel 16 left sides are welded with left support insulator 4, cylinder of steel 16 right sides are welded with right support insulator 5, left support insulator 4 passes on left bolt and is fixedly connected with the left tank 6 of elbow type, the two-port axis angle of the left tank 6 of described elbow type is 95～115 degree, and right support insulator 5 right sides are bolted to connection the right tank 7 of elbow type, and the two-port axis angle of the right tank 7 of described elbow type is also 95～115 degree, the other end at the left tank 6 of elbow type is bolted to connection left sleeve pipe 14, on left sleeve pipe 14, be set with left current transformer 12, the other end at the right tank 7 of elbow type is bolted to connection right sleeve pipe 15, on right sleeve pipe 15, be set with right current transformer 13, by cylinder of steel 16, left support insulator 4 and right support insulator 5 form vacuum chamber 1, by left sleeve pipe 14, the left tank 6 of elbow type and left support insulator 4 form left interstar connection room 2, by right sleeve pipe 15, the right tank 7 of elbow type and right support insulator 5 form right interstar connection room 3, in left support insulator 4, there is left electric conductor 4-1, the right side of left electric conductor 4-1 is connected with left quiet electric conductor 1-2, pass on left bolt and be fixedly connected with the left lengthening electric conductor 8 of elbow type, the other end of the left lengthening electric conductor 8 of elbow type is bolted to connection left connection electric conductor 10, the left sleeve pipe electric conductor 14-1 being integrated with left sleeve pipe 14 in left sleeve pipe 14 pegs graft with the left electric conductor 10 that is connected, in right support insulator 5, there is right electric conductor 5-1, the left side of right electric conductor 5-1 is connected with right quiet electric conductor 1-3, right side is bolted to connection the right lengthening electric conductor 9 of elbow type, the other end of the right lengthening electric conductor 9 of elbow type is bolted to connection right connection electric conductor 11, the right sleeve pipe electric conductor 15-1 being integrated with right sleeve pipe 15 in right sleeve pipe 15 pegs graft with the right electric conductor 11 that is connected, between left quiet electric conductor 1-2 and right quiet electric conductor 1-3, be welded with the insulating barrier 1-8 of insulation and fixation, insulating barrier 1-8 is welded on cylinder of steel 16 simultaneously, on a left side, quiet electric conductor 1-2 contact place is welded with left radome 1-6, on the right side, quiet electric conductor 1-3 contact place is welded with right radome 1-7, under the quiet electric conductor 1-2 in a left side and right quiet electric conductor 1-3, be vertically installed with Y type moving conductive body 1-1, left quiet electric conductor 1-2, right quiet electric conductor 1-3 and Y type moving conductive body 1-1 form double-fracture, attended operation insulator 1-4 below Y type moving conductive body 1-1, tank body is stretched out from the opening part of cylinder of steel 16 in operation insulator 1-4 lower end, on operation insulator 1-4, cover has bellows 1-5 and fairlead 1-9, fairlead 1-9 is positioned at the bottom of bellows 1-5, bellows 1-5 one end is welded on operation insulator 1-4, the other end is welded on cylinder of steel 16.
During use, described vacuum chamber 1 keeps vacuum state, in left interstar connection room 2 and right interstar connection room 3, be filled with clean dried compressed air or other gas as dielectric or keep vacuum state, while being filled with clean dried compressed air or other gas as dielectric in left interstar connection room 2 or right interstar connection room 3, on the left tank 6 of elbow type or the right tank 7 of elbow type, rupture pressure disc is installed.
Claims (4)
1.
oneplant double-fracture pot type vacuum circuit-breaker, comprise cylinder of steel (16), it is characterized in that, in cylinder of steel (16) left side, be welded with left support insulator (4), cylinder of steel (16) right side is welded with right support insulator (5), by cylinder of steel (16), left support insulator (4) and right support insulator (5) form vacuum chamber (1), left support insulator (4) left side is fixedly connected with the left tank of elbow type (6), right support insulator (5) right side is fixedly connected with the right tank of elbow type (7), the other end at the left tank of elbow type (6) is fixedly connected with left sleeve pipe (14), the other end at the right tank of elbow type (7) is fixedly connected with right sleeve pipe (15), by left sleeve pipe (14), the left tank of elbow type (6) and left support insulator (4) form left interstar connection room (2), by right sleeve pipe (15), the right tank of elbow type (7) and right support insulator (5) form right interstar connection room (3), left quiet electric conductor (1-2) and right quiet electric conductor (1-3) are installed in vacuum chamber (1), between left quiet electric conductor (1-2) and right quiet electric conductor (1-3), be welded with the insulating barrier (1-8) of insulation and fixation, on a left side, quiet electric conductor (1-2) contact place is welded with left radome (1-6), on the right side, quiet electric conductor (1-3) contact place is welded with right radome (1-7), at right angle setting Y type moving conductive body (1-1) under the quiet electric conductor in a left side (1-2) and right quiet electric conductor (1-3), the quiet electric conductor in a described left side (1-2), right quiet electric conductor (1-3) forms double-fracture with Y type moving conductive body (1-1), below attended operation insulator (1-4) at Y type moving conductive body (1-1), tank body is stretched out from the opening part of cylinder of steel (16) in operation insulator (1-4) lower end, at the upper cover of operation insulator (1-4), there are bellows (1-5) and fairlead (1-9).
2. according to claim 1
oneplant double-fracture pot type vacuum circuit-breaker, it is characterized in that, in described left support insulator (4), there is left electric conductor (4-1), the right side of left electric conductor (4-1) is connected with left quiet electric conductor (1-2), left side is fixedly connected with the left lengthening electric conductor of elbow type (8), the other end of the left lengthening electric conductor of elbow type (8) is fixedly connected with left connection electric conductor (10), the left sleeve pipe electric conductor (14-1) being integrated with left sleeve pipe (14) in left sleeve pipe (14) is pegged graft with the left electric conductor (10) that is connected, in described right support insulator (5), there is right electric conductor (5-1), the left side of right electric conductor (5-1) is connected with right quiet electric conductor (1-3), right side is fixedly connected with the right lengthening electric conductor of elbow type (9), the other end of the right lengthening electric conductor of elbow type (9) is fixedly connected with right connection electric conductor (11), the right sleeve pipe electric conductor (15-1) being integrated with right sleeve pipe (15) in right sleeve pipe (15) is pegged graft with the right electric conductor (11) that is connected.
3. according to claim 1
oneplant double-fracture pot type vacuum circuit-breaker, it is characterized in that, the two-port axis angle of the left tank of described elbow type (6) and the right tank of described elbow type (7) is 95～115 degree.
4. according to claim 1
onekind of double-fracture pot type vacuum circuit-breaker, is characterized in that, during use described in vacuum chamber (1) keep vacuum state, described left interstar connection room (2) and right interstar connection room (3) are filled with clean dried compressed air or other gas as dielectric or maintenance vacuum state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536159.6U CN203503542U (en) | 2013-08-30 | 2013-08-30 | Double-break tank vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536159.6U CN203503542U (en) | 2013-08-30 | 2013-08-30 | Double-break tank vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203503542U true CN203503542U (en) | 2014-03-26 |
Family
ID=50334501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320536159.6U Withdrawn - After Issue CN203503542U (en) | 2013-08-30 | 2013-08-30 | Double-break tank vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203503542U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441031A (en) * | 2013-08-30 | 2013-12-11 | 沈阳华德海泰电子有限公司 | Double fracture tank type vacuum circuit breaker |
| CN104269315A (en) * | 2014-09-05 | 2015-01-07 | 中国西电电气股份有限公司 | High-power switch with current limiter |
| CN105355503A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof having guide function |
| CN109859984A (en) * | 2016-11-21 | 2019-06-07 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN114429882A (en) * | 2022-04-06 | 2022-05-03 | 宁波天安智能电网科技股份有限公司 | Double-acting switch device |
-
2013
- 2013-08-30 CN CN201320536159.6U patent/CN203503542U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441031A (en) * | 2013-08-30 | 2013-12-11 | 沈阳华德海泰电子有限公司 | Double fracture tank type vacuum circuit breaker |
| CN103441031B (en) * | 2013-08-30 | 2015-07-01 | 沈阳华德海泰电子有限公司 | Double fracture tank type vacuum circuit breaker |
| CN104269315A (en) * | 2014-09-05 | 2015-01-07 | 中国西电电气股份有限公司 | High-power switch with current limiter |
| CN105355503A (en) * | 2015-11-04 | 2016-02-24 | 平高集团有限公司 | Circuit breaker and connecting box thereof having guide function |
| CN109859984A (en) * | 2016-11-21 | 2019-06-07 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN109950088A (en) * | 2016-11-21 | 2019-06-28 | 平高集团有限公司 | Fracture texture, arc-chutes and breaking device |
| CN109859984B (en) * | 2016-11-21 | 2020-01-03 | 平高集团有限公司 | Fracture structure, arc extinguish chamber and breaking device |
| CN109950088B (en) * | 2016-11-21 | 2020-04-10 | 平高集团有限公司 | Fracture structure, arc extinguish chamber and breaking device |
| CN114429882A (en) * | 2022-04-06 | 2022-05-03 | 宁波天安智能电网科技股份有限公司 | Double-acting switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20150701 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20150701 |
|
| RGAV | Abandon patent right to avoid regrant |