CN103441031A - Double fracture tank type vacuum circuit breaker - Google Patents
Double fracture tank type vacuum circuit breaker Download PDFInfo
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- CN103441031A CN103441031A CN201310386812XA CN201310386812A CN103441031A CN 103441031 A CN103441031 A CN 103441031A CN 201310386812X A CN201310386812X A CN 201310386812XA CN 201310386812 A CN201310386812 A CN 201310386812A CN 103441031 A CN103441031 A CN 103441031A
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- electric conductor
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- sleeve pipe
- elbow type
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Abstract
The invention provides a double fracture tank type vacuum circuit breaker which solves the problem that in the prior art, a circuit breaker which is formed by two arc extinguish chambers connected in series is complex in structure , large in size, poor in heat dissipation performance, and high in cost. The double fracture tank type vacuum circuit breaker is characterized in that a vacuum chamber is formed by a steel tank, a left supporting insulator and a right supporting insulator; Y type movable electric conductors are vertically installed under a left static electric conductor and a right static electric conductor respectively in the vacuum chamber; double fractures are formed by the left static electric conductor, the right static electric conductor and the Y type movable electric conductors; a left drive pipe electric conductor is connected with a connecting electric conductor in an elbow type left tank in a plug-in mode; a right drive pipe electric conductor is connected with a connecting electric conductor in an elbow type right tank in a plug-in mode. The double fracture tank type vacuum circuit breaker has the advantages that the vacuum chamber which is formed by the steel tank, the left supporting insulator and the right supporting insulator is used as an arc extinguish chamber, the Y type movable electric conductors are used for forming the double fractures, an arc extinguish chamber, a porcelain bushing and an insulated connecting rod used for being connected with the two movable electric conductors are eliminated, therefore, the structure is simple, the size is small, the heat dissipation performance is good, the coaxiality of two contacts of the movable electric conductors and the two contacts of the static electric conductors can be ensured, and the manufacturing cost is reduced.
Description
Technical field
The invention 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 the 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 will be arranged in metal can with the arc control device level of insulator, 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 to the moving conductive body produces 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 the 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 the 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, be welded with radome at the insulator two ends, 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 by this invention is, overcome deficiency and defect that prior art exists, provide a kind of simple in structure, volume is little, thermal diffusivity is good, directly the 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 used in the present invention comprises cylinder of steel, be welded with the left support insulator in the cylinder of steel left side, the cylinder of steel right side is welded with the 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, be welded with the insulating barrier of insulation and fixation between left quiet electric conductor and right quiet electric conductor, 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 the operation insulator, cover has bellows and fairlead.
In described left support insulator, left electric conductor is arranged, 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 be 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, right electric conductor is arranged, 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 be 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.
During use, described vacuum chamber keeps vacuum state, and 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 invention has the beneficial effects as follows:
(1) the present invention 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 present invention 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.
The accompanying drawing explanation
Fig. 1 is front view of the present invention,
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.,
1-3. right quiet electric conductor, 1-4. operates insulator,
1-5. bellows, the left radome of 1-6.,
1-7. right radome, the 1-8. insulating barrier,
1-9. fairlead,
2. left interstar connection room,
3. right interstar connection room,
4. left support insulator,
4-1. left electric conductor,
5. right support insulator,
5-1. right electric conductor,
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 conductor,
12. left current transformer,
13. right current transformer,
14. left sleeve pipe,
14-1. left sleeve pipe electric conductor,
15. right sleeve pipe,
15-1. right sleeve pipe electric conductor,
16. cylinder of steel.
Embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in the figure, the present invention includes 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, be set with left current transformer 12 on left sleeve pipe 14, the other end at the right tank 7 of elbow type is bolted to connection right sleeve pipe 15, be set with right current transformer 13 on right sleeve pipe 15, 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, left electric conductor 4-1 is arranged in left support insulator 4, 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 be integrated with left sleeve pipe 14 in left sleeve pipe 14 pegs graft with the left electric conductor 10 that is connected, right electric conductor 5-1 is arranged in right support insulator 5, 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 be integrated with right sleeve pipe 15 in right sleeve pipe 15 pegs graft with the right electric conductor 11 that is connected, be welded with the insulating barrier 1-8 of insulation and fixation between left quiet electric conductor 1-2 and right quiet electric conductor 1-3, 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, be vertically installed with Y type moving conductive body 1-1 under the quiet electric conductor 1-2 in a left side and right quiet electric conductor 1-3, 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 mono-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, be filled with clean dried compressed air or other gas in left interstar connection room 2 and right interstar connection room 3 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 right tank 7 of the left tank 6 of elbow type or 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, be welded with left support insulator (4) in cylinder of steel (16) left side, 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), be welded with the insulating barrier (1-8) of insulation and fixation between left quiet electric conductor (1-2) and right quiet electric conductor (1-3), 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), bellows (1-5) and fairlead (1-9) are arranged.
2. according to claim 1
oneplant double-fracture pot type vacuum circuit-breaker, it is characterized in that, left electric conductor (4-1) is arranged in described left support insulator (4), 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) be integrated with left sleeve pipe (14) in left sleeve pipe (14) is pegged graft with the left electric conductor (10) that is connected, right electric conductor (5-1) is arranged in described right support insulator (5), 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) be integrated with right sleeve pipe (15) in right sleeve pipe (15) is pegged graft with the right electric conductor (11) that is connected.
3. a kind of single break pot type vacuum circuit-breaker according to claim 1, 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. a kind of single break pot type vacuum circuit-breaker according to claim 1, it is characterized in that, during use, described vacuum chamber (1) keeps vacuum state, described left interstar connection room (2) and right interstar connection room (3) to be 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 |
|---|---|---|---|
| CN201310386812.XA CN103441031B (en) | 2013-08-30 | 2013-08-30 | Double fracture tank type vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386812.XA CN103441031B (en) | 2013-08-30 | 2013-08-30 | Double fracture tank type vacuum circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441031A true CN103441031A (en) | 2013-12-11 |
| CN103441031B CN103441031B (en) | 2015-07-01 |
Family
ID=49694719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310386812.XA Expired - Fee Related CN103441031B (en) | 2013-08-30 | 2013-08-30 | Double fracture tank type vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103441031B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845263A (en) * | 1972-11-07 | 1974-10-29 | Westinghouse Electric Corp | Circuit breaker with spring charged operating mechanism |
| GB2080035A (en) * | 1980-07-10 | 1982-01-27 | Bbc Brown Boveri & Cie | Vacuum Switch |
| JPS61135306A (en) * | 1984-12-03 | 1986-06-23 | 株式会社東芝 | Gas insulated switchgear |
| DE3803065A1 (en) * | 1988-01-29 | 1989-08-10 | Siemens Ag | Vacuum switching tube |
| JP2013058312A (en) * | 2011-09-07 | 2013-03-28 | Meiden T&D Co Ltd | Tank-shaped vacuum circuit-breaker |
| CN203503542U (en) * | 2013-08-30 | 2014-03-26 | 沈阳华德海泰电子有限公司 | Double-break tank vacuum circuit breaker |
-
2013
- 2013-08-30 CN CN201310386812.XA patent/CN103441031B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845263A (en) * | 1972-11-07 | 1974-10-29 | Westinghouse Electric Corp | Circuit breaker with spring charged operating mechanism |
| GB2080035A (en) * | 1980-07-10 | 1982-01-27 | Bbc Brown Boveri & Cie | Vacuum Switch |
| JPS61135306A (en) * | 1984-12-03 | 1986-06-23 | 株式会社東芝 | Gas insulated switchgear |
| DE3803065A1 (en) * | 1988-01-29 | 1989-08-10 | Siemens Ag | Vacuum switching tube |
| JP2013058312A (en) * | 2011-09-07 | 2013-03-28 | Meiden T&D Co Ltd | Tank-shaped vacuum circuit-breaker |
| CN203503542U (en) * | 2013-08-30 | 2014-03-26 | 沈阳华德海泰电子有限公司 | Double-break tank vacuum circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103441031B (en) | 2015-07-01 |
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Granted publication date: 20150701 Termination date: 20160830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |