CN202332697U - Indoor high-voltage vacuum circuit breaker for transformer substation - Google Patents
Indoor high-voltage vacuum circuit breaker for transformer substation Download PDFInfo
- Publication number
- CN202332697U CN202332697U CN201120470586XU CN201120470586U CN202332697U CN 202332697 U CN202332697 U CN 202332697U CN 201120470586X U CN201120470586X U CN 201120470586XU CN 201120470586 U CN201120470586 U CN 201120470586U CN 202332697 U CN202332697 U CN 202332697U
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- tool rest
- isolation
- framework
- ground connection
- circuit breaker
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Abstract
The utility model discloses an indoor high-voltage vacuum circuit breaker for a transformer substation. The indoor high-voltage vacuum circuit breaker comprises a framework, an operating mechanism, an upper insulation supporting seat arranged on the framework, an upper wiring cutter seat arranged on the upper insulation supporting seat, a middle insulation supporting seat arranged on the framework, an isolation cutter seat arranged on the middle insulation supporting seat, a fuse, a trip transmission device, a lower insulation supporting seat, a vacuum arc extinguish chamber, a lower wiring cutter seat and a safety protection mechanism, wherein the isolation cutter seat is separated from and connected with the upper wiring cutter seat; when the isolation cutter seat is separated from the upper wiring cutter seat, an isolation broken opening is formed; and the safety protection mechanism comprises an insulation isolation board capable of moving into and moving out of the isolation broken opening. The indoor high-voltage vacuum circuit breaker has a relatively rational structure and can effectively prevent mis-operation.
Description
Technical field
The utility model belongs to the substation structure design field, is specifically related to a kind of indoor high-voltage vacuum circuit breaker that is used for transformer station.
Background technology
Case becomes the high-pressure side and adopts on-load switch to add the unit switch of current limiting fuse more; Elder generation's disjunction dynamic/static contact in vacuum interrupter breaks off isolating switch again during separating brake, and makes to isolate between tool rest and the corresponding wiring tool rest to have tangible isolation fracture; The isolating switch that closes earlier during combined floodgate, the dynamic/static contact in the closed again vacuum interrupter.This structure has following weak point: have tangible isolation fracture though isolate behind the separating brake between tool rest and the corresponding wiring tool rest; But still exist because misoperation causes isolating tool rest and is closed on the corresponding wiring tool rest; Cause serious electric power accident; This isolation fracture just plays tangible indicative function, can not be from obtaining fool proof security protection effect in essence.
The utility model content
The purpose of the utility model provides the indoor high-voltage vacuum circuit breaker that is used for transformer station that a kind of structure is comparatively reasonable, can effectively prevent misoperation.
The technical scheme that realizes the utility model purpose is: a kind of indoor high-voltage vacuum circuit breaker that is used for transformer station, comprise framework, operating mechanism, be arranged on last insulated leg on the framework, be arranged on last wiring tool rest on the insulated leg, be arranged on middle insulated leg on the framework, be arranged on the insulated leg the isolation tool rest, be arranged on fuse on the isolation tool rest, be arranged on dropout transmission device bottom the isolation tool rest, be arranged on following insulated leg on the framework, be arranged on down vacuum interrupter on the insulated leg, be arranged on down the following wiring tool rest on the insulated leg; Said isolation tool rest and last wiring tool rest mutually deciliter and form isolation fracture when separating with last wiring tool rest; Said operating mechanism comprises the isolation axle that is arranged on the framework, the isolated insulation pull bar that is arranged on isolation connecting lever, connection isolation connecting lever and the isolation tool rest of isolating on the axle; Said operating mechanism also comprises the grounding shaft that is arranged on the framework, be arranged on ground connection connecting lever on the grounding shaft, be arranged on ground connection tool rest on the grounding shaft, be arranged on the ground connection transmission crank arm of isolating on the axle, connect the ground connection connecting rod of ground connection connecting lever, ground connection transmission crank arm and be used for driving the divide-shut brake insulated tension pole that the vacuum interrupter moving contact carries out the divide-shut brake action; Said ground connection tool rest and following wiring tool rest are mutually deciliter; Its design feature is also to comprise security protection mechanism, and said security protection mechanism comprises the insulation division board that can get into and shift out in the said isolation fracture.
Guide, the supplementary insulation dividing plate that in the technique scheme, said security protection mechanism also comprises guide rail, be arranged on the insulation division board and can move along guide rail and be used to drive the operating mechanism that the insulation division board moves; One end of said supplementary insulation dividing plate rotates and is arranged on the framework, and the other end is rotationally connected with the insulation division board.
In the technique scheme, said supplementary insulation dividing plate be arranged on the insulation division board directly over.
In the technique scheme, said dropout transmission device comprises the dropout insulated tension pole.
The utlity model has positive effect: (1) the utility model can get into and shift out the insulation division board in the said isolation fracture through being provided with; Make behind the separating brake; This insulation division board enters into isolation fracture; Close on the corresponding wiring tool rest thereby effectively prevent to isolate tool rest, have fool proof security protection effect; Can also utilize on said insulation division board and the supplementary insulation dividing plate wiring tool rest and maintainer to keep apart fully in addition, make that the maintainer can be because of misoperation touch the wiring tool rest, thereby effectively guarantee maintainer's safety.
Description of drawings
A kind of structural representation when Fig. 1 closes a floodgate for first kind of structure of the utility model is in;
A kind of structural representation when Fig. 2 is in separating brake for the indoor high-voltage vacuum circuit breaker that is used for transformer station shown in Figure 1;
A kind of structural representation when Fig. 3 is in separating brake for second kind of structure of the utility model.
Reference numeral is: mesohigh on-load switch 3, and framework 31, last insulated leg 32, last wiring tool rest 33, middle insulated leg 34 is isolated tool rest 35; Fuse 36, following insulated leg 37, vacuum interrupter 38, following wiring tool rest 39, operating mechanism 4 is isolated axle 41; Isolated insulation pull bar 43, grounding shaft 44, ground connection connecting lever 45, ground connection tool rest 46, ground connection transmission crank arm 47, ground connection connecting rod 48; Divide-shut brake insulated tension pole 49, dropout transmission device 5, dropout insulated tension pole 51, isolation fracture 6, security protection mechanism 7; Insulation division board 71, guide rail 72, guide 73, operating mechanism 74, supplementary insulation dividing plate 77.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown first kind of embodiment of the utility model, a kind of structural representation when wherein Fig. 1 closes a floodgate for first kind of structure of the utility model is in; A kind of structural representation when Fig. 2 is in separating brake for the indoor high-voltage vacuum circuit breaker that is used for transformer station shown in Figure 1.
Present embodiment is a kind of indoor high-voltage vacuum circuit breaker that is used for transformer station; See Fig. 1 and Fig. 2, said mesohigh on-load switch 3 comprises framework 31, operating mechanism 4, be arranged on last insulated leg 32 on the framework 31, be arranged on last wiring tool rest 33 on the insulated leg 32, be arranged on middle insulated leg 34 on the framework 31, be arranged on the insulated leg 34 isolation tool rest 35, be arranged on the fuse 36 of isolating on the tool rest 35, be arranged on the dropout transmission device 5 of isolating tool rest 35 bottoms, be arranged on following insulated leg 37 on the framework 31, be arranged on insulated leg 34 and the following insulated leg 37 vacuum interrupter 38, be arranged on down following wiring tool rest 39 and security protection mechanism 7 on the insulated leg 37; Said isolation tool rest 35 and last wiring tool rest 33 mutually deciliter and form isolation fracture 6 when opening in 33 minutes with last wiring tool rest.
Said operating mechanism 4 comprises the isolation axle 41 that is arranged on the framework 31; Be arranged on the isolation connecting lever of isolating on the axle 41; Connect and isolate connecting lever and the isolated insulation pull bar 43 of isolating tool rest 35; Be arranged on the grounding shaft 44 on the framework 31; Be arranged on the ground connection connecting lever 45 on the grounding shaft 44; Be arranged on the ground connection tool rest 46 on the grounding shaft 44; Be arranged on the ground connection transmission crank arm 47 of isolating on the axle 41; Connect ground connection connecting lever 45; The ground connection connecting rod 48 of ground connection transmission crank arm 47; Be used for driving the divide-shut brake insulated tension pole 49 that vacuum interrupter 38 moving contacts carry out the divide-shut brake action; Said ground connection tool rest 46 and following wiring tool rest 39 are mutually deciliter.
Said dropout transmission device 5 comprises dropout insulated tension pole 51.
The guide 73 that said security protection mechanism 7 comprises the insulation division board 71 that can get into and shift out in the said isolation fracture 6, be fixed on guide rail 72 on the framework 31, be arranged on the insulation division board 71 and can move along guide rail 72, be used to drive operating mechanism 74 and the supplementary insulation dividing plate 77 that insulation division board 71 moves.
In the present embodiment, said guide rail 72 is provided with guide chute, and said guide 73 is arranged on the bearing pin of insulation division board 71 two side ends, and said bearing pin can slide in guide chute or roll, thereby to the mobile position-limiting action that plays of the division board 71 that insulate.
In addition, the operating mechanism 74 in the present embodiment can be independent manual type operating mechanism, also can be to form the coordinated type operating mechanism through operating mechanism in linkage and the combined electrical apparatus.
One end of said supplementary insulation dividing plate 77 rotates and is arranged on the framework 31, and the other end is rotationally connected with insulation division board 71.
(embodiment 2)
Fig. 3 is a kind of structural representation of second kind of structure of the utility model when being in separating brake, has shown second kind of embodiment of the utility model.
Present embodiment and embodiment 1 are basic identical, and difference is: see shown in Figure 3, in the present embodiment, said supplementary insulation dividing plate 77 be arranged on the insulation division board 71 directly over.
The foregoing description 1 to embodiment 2 is through getting into and shift out the insulation division board 71 in the said isolation fracture 6 in setting; Behind the separating brake; This insulation division board enters into isolation fracture, effectively prevents to isolate tool rest and closes on the corresponding wiring tool rest, thereby have fool proof security protection effect.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection range of the utility model.
Claims (4)
1. indoor high-voltage vacuum circuit breaker that is used for transformer station comprises framework (31), operating mechanism (4), is arranged on last insulated leg (32) on the framework (31), is arranged on last wiring tool rest (33) on the insulated leg (32), is arranged on middle insulated leg (34) on the framework (31), is arranged on isolation tool rest (35) on the middle insulated leg (34), is arranged on the fuse (36) of isolating on the tool rest (35), is arranged on the dropout transmission device (5) of isolating tool rest (35) bottom, is arranged on following insulated leg (37) on the framework (31), is arranged on down vacuum interrupter (38) on the insulated leg (37), is arranged on down the following wiring tool rest (39) on the insulated leg (37); Said isolation tool rest (35) and last wiring tool rest (33) mutually deciliter and are forming isolation fracture (6) with last wiring tool rest (33) when separating; Said operating mechanism (4) comprises the isolation axle (41) that is arranged on the framework (31), the isolated insulation pull bar (43) that is arranged on isolation connecting lever, connection isolation connecting lever and the isolation tool rest (35) of isolating on the axle (41); Said operating mechanism (4) also comprises the grounding shaft (44) that is arranged on the framework (31), be arranged on ground connection connecting lever (45) on the grounding shaft (44), be arranged on ground connection tool rest (46) on the grounding shaft (44), be arranged on the ground connection transmission crank arm (47) of isolating on the axle (41), connect the ground connection connecting rod (48) of ground connection connecting lever (45), ground connection transmission crank arm (47) and be used for driving vacuum interrupter (38) moving contact and carry out the divide-shut brake insulated tension pole (49) that divide-shut brake moves; Said ground connection tool rest (46) and following wiring tool rest (39) are mutually deciliter;
It is characterized in that: also comprise security protection mechanism (7), said security protection mechanism (7) comprises the insulation division board (71) that can get into and shift out in the said isolation fracture (6).
2. the indoor high-voltage vacuum circuit breaker that is used for transformer station according to claim 1 is characterized in that: said security protection mechanism (7) also comprises guide rail (72), be arranged on that insulation division board (71) is gone up and guide (73), the supplementary insulation dividing plate (77) that can move along guide rail (72) and be used for driving the operating mechanism (74) that insulation division board (71) moves; One end of said supplementary insulation dividing plate (77) rotates and is arranged on the framework (31), and the other end is rotationally connected with insulation division board (71).
3. the indoor high-voltage vacuum circuit breaker that is used for transformer station according to claim 2 is characterized in that: said supplementary insulation dividing plate (77) be arranged on the insulation division board (71) directly over.
4. the indoor high-voltage vacuum circuit breaker that is used for transformer station according to claim 1 is characterized in that: said dropout transmission device (5) comprises dropout insulated tension pole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120470586XU CN202332697U (en) | 2011-11-23 | 2011-11-23 | Indoor high-voltage vacuum circuit breaker for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120470586XU CN202332697U (en) | 2011-11-23 | 2011-11-23 | Indoor high-voltage vacuum circuit breaker for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332697U true CN202332697U (en) | 2012-07-11 |
Family
ID=46444669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120470586XU Expired - Fee Related CN202332697U (en) | 2011-11-23 | 2011-11-23 | Indoor high-voltage vacuum circuit breaker for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766856A (en) * | 2018-09-14 | 2018-11-06 | 杨策 | Electronic fuse switch with sagging tripping mechanism |
-
2011
- 2011-11-23 CN CN201120470586XU patent/CN202332697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766856A (en) * | 2018-09-14 | 2018-11-06 | 杨策 | Electronic fuse switch with sagging tripping mechanism |
| CN108766856B (en) * | 2018-09-14 | 2023-12-29 | 杨策 | Electric drop-out fuse with drop-out tripping mechanism |
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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: 20120711 Termination date: 20191123 |