CN220189500U - Indoor high-voltage vacuum circuit breaker - Google Patents
Indoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN220189500U CN220189500U CN202321072085.5U CN202321072085U CN220189500U CN 220189500 U CN220189500 U CN 220189500U CN 202321072085 U CN202321072085 U CN 202321072085U CN 220189500 U CN220189500 U CN 220189500U
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- Prior art keywords
- frame
- sealing frame
- indoor high
- voltage vacuum
- binding posts
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses an indoor high-voltage vacuum circuit breaker which comprises an upper sealing frame, wherein the lower end of the upper sealing frame is connected with a lower sealing frame, the right side of the upper sealing frame is provided with an exhaust hole, a plurality of upper binding posts and lower binding posts are respectively arranged in the upper sealing frame and the lower sealing frame, and arc extinguishing assemblies are arranged between the upper binding posts and the lower binding posts corresponding to the upper side and the lower side in the upper sealing frame and the lower sealing frame. When the circuit breaker is short-circuited, electric arcs are generated between the upper conductive rods and the lower conductive rods, because the conductive rods are arranged in a plurality of numbers, the electric arcs generated between the upper conductive rods and the lower conductive rods are very small, and because the moving telescopic frame is instantaneously blocked, in the process, the electric arcs can be further miniaturized through the plurality of arc-extinguishing plates in the rectangular holes, so that excellent arc-extinguishing operation is realized, and the safety and the arc-extinguishing effect of the arc-extinguishing structure are further improved when the arc-extinguishing structure is placed in a vacuum environment.
Description
Technical Field
The utility model relates to the field of circuit breakers, in particular to an indoor high-voltage vacuum circuit breaker.
Background
The indoor high-voltage vacuum circuit breaker is equipment used in control or protection of power distribution systems such as power plants, power substations and the like, and switching-on and switching-off operation and switching-on energy storage of the common indoor high-voltage vacuum circuit breaker are completed by relying on a common spring operating mechanism.
Through mass search, the prior art publication number is CN 203910650U, and an indoor high-voltage vacuum circuit breaker is disclosed, and the indoor high-voltage vacuum circuit breaker comprises a circuit breaker frame, a closing spring, a crank arm, a hanging plate arranged at the upper end of the closing spring, and a base arranged above the hanging plate, wherein the base is connected with the circuit breaker frame through bolts, and the hanging plate is connected with the base through a pin shaft.
Therefore, based on the above search and combined with the existing vacuum circuit breaker, the current vacuum circuit breaker adopts the switching-on and switching-off operation and switching-on energy storage to be completed by relying on a common spring operation mechanism, and adopts a mechanical trigger structure, so that misoperation is easy to cause.
Disclosure of Invention
The utility model aims to provide an indoor high-voltage vacuum circuit breaker so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an indoor high-voltage vacuum circuit breaker, includes the sealed frame, the sealed frame lower extreme fixedly connected with lower seal frame down in going up, the right side of going up the sealed frame is provided with the exhaust hole, upward be provided with a plurality of upper wiring posts and lower wiring posts in sealed frame and the sealed frame down respectively, install the arc extinguishing subassembly between upper wiring post and the lower wiring post that upper and lower side corresponds in sealed frame and the lower seal frame down, the arc extinguishing subassembly is including installing the coil on the sealed frame inside wall in last, the fixed frame that is provided with in opposite one side of coil is fixed, be provided with copper post and lower copper post above and below the fixed frame respectively, the one end that separates of upper copper post and lower copper post is connected with upper wiring post and lower wiring post respectively, the relative one end fixedly connected with connecting plate of upper and lower copper post, the relative one end of upper and lower side connecting plate is connected with a plurality of conducting rods, the conducting rod relative one end on the connecting plate is connected with, the fixed frame is just to the flexible frame that is provided with of one side terminal surface of coil, the flexible frame outside the fixed frame tip fixedly connected with inside wall board, the flexible piece is connected with the rectangle side wall and the flexible piece is connected with the flexible piece under the upper and lower side of rectangle side between fixed frame, the flexible piece is connected with the flexible piece of the side of rectangle.
Preferably, the lower copper post is coupled with a coil string.
Preferably, a fixed block is fixedly arranged on the right side between the rectangular holes on the upper side and the lower side in the telescopic frame, and a plurality of arc extinguishing plates are fixedly connected to the fixed block.
Preferably, opposite ends of the upper and lower seal frames are provided with sealing rubber gaskets.
Preferably, the fixed frame and the telescopic frame are both insulating plastic frames.
Compared with the prior art, the utility model has the beneficial effects that:
when the circuit breaker takes place the short circuit, produce electric arc between the conducting rod of upside down, because the conducting rod is provided with a plurality of, so, the electric arc that produces between the upside down conducting rod is very little, and because the flexible frame of removal is cut off in the twinkling of an eye, at this in-process, through a plurality of arc extinguishing plates in the rectangular hole, can further refine the electric arc, realize splendid arc extinguishing operation, and above-mentioned arc extinguishing structure arranges in under the vacuum environment, security and arc extinguishing effect obtain further improvement.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the upper seal frame structure of the present utility model;
FIG. 3 is a schematic view of the lower seal frame structure of the present utility model;
fig. 4 is a schematic structural view of an arc extinguishing assembly according to the present utility model;
fig. 5 is a schematic structural diagram of a fixed block according to the present utility model.
In the figure: 1. a lower sealing frame; 2. an upper sealing frame; 3. an exhaust hole; 4. a fixed block; 5. an arc extinguishing assembly; 6. an upper binding post; 7. arc extinguishing plates; 8. a lower terminal; 9. a coil; 10. a magnetic plate; 11. copper columns are arranged; 12. a connecting plate; 13. a conductive rod; 14. a telescoping frame; 15. a fixed frame; 16. a tension spring; 17. a copper column is arranged; 18. rectangular holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1 to 5, an indoor high voltage vacuum circuit breaker comprises an upper sealing frame 2, a lower sealing frame 1 is fixedly connected to the lower end of the upper sealing frame 2, the upper sealing frame 2 is in sealing connection with the lower sealing frame 1, the inner space of the upper sealing frame 2 is sealed, an exhaust hole 3 is arranged on the right side of the upper sealing frame 2 and is used for connecting a vacuum pump, the upper sealing frame 2 and the lower sealing frame 1 are vacuumized through the vacuum pump, a plurality of upper binding posts 6 and lower binding posts 8 are respectively arranged in the upper sealing frame 2 and the lower sealing frame 1, an arc extinguishing assembly 5 is arranged between the upper binding posts 6 and the lower binding posts 8 corresponding to the upper side and the lower side in the upper sealing frame 2 and the lower sealing frame 1, the arc extinguishing effect of the circuit breaker is realized through the arc extinguishing assembly 5 comprises a coil 9 arranged on the inner side wall of the upper sealing frame 2, a fixed frame 15 is fixedly arranged on the opposite side of the coil 9, an upper copper post 11 and a lower copper post 17 are respectively arranged above and below the fixed frame 15, the upper copper column 11 and the lower copper column 17 are respectively connected with the upper binding post 6 and the lower binding post 8 at the separated ends, the connecting plates 12 are fixedly connected at the opposite ends of the upper copper column 11 and the lower copper column 17, a plurality of conducting rods 13 are connected at the opposite ends of the upper and lower connecting plates 12, the opposite ends of the conducting rods 13 on the upper and lower connecting plates 12 are correspondingly connected, a telescopic frame 14 is arranged on one side end face of the fixed frame 15 opposite to the coil 9 in a telescopic manner, a magnetic plate 10 is fixedly connected at the end part of the telescopic frame 14 outside the fixed frame 15, a tension spring 16 is connected between the inner side wall of the fixed frame 15 and the end part of the telescopic frame 14, rectangular holes 18 are penetrated on the upper side wall and the lower side wall of the telescopic frame 14, conducting plates are fixedly arranged on the left side in the rectangular holes 18 on the upper side and the lower side, the upper end and the lower end of each conducting plate are respectively abutted with the conducting rods 13 on the upper and the lower side of each conducting rod 11, the upper connecting plate 12, the conducting rods 13, the conducting strips, the lower connecting plate 12, the conducting rods 13 and the lower copper columns 17 form a complete loop, when a short circuit occurs in a circuit, the circuit in the coil 9 is instantaneously increased, the magnetic field generated by the coil 9 is enhanced, the magnetic plate 10 and the telescopic frame 14 connected with the magnetic plate are attracted to move left, at the moment, the conducting strips at the rectangular frame 18 inside the telescopic frame 14 move left, the conducting strips are separated from the conducting rods 13 at the upper side and the lower side, in the process, electric arcs are generated between the conducting rods 13 at the upper side and the lower side, because the conducting rods 13 are provided with a plurality of conducting rods, the electric arcs generated between the conducting rods 13 at the upper side and the lower side are small, and because the moving telescopic frame 14 is instantaneously blocked, in the process, the electric arcs can be further miniaturized, the excellent arc extinguishing operation is realized, and the safety and the arc extinguishing effect are further improved when the arc extinguishing structure is placed in a vacuum environment.
Further, in this embodiment, the lower copper pillar 17 is connected in series with the coil 9, and under the normal working condition of the circuit breaker, the magnetic field generated by the coil 9 drives the telescopic frame 14 to move left for a short distance, at this time, the upper copper pillar 11 and the lower copper pillar 17 are connected and electrified through the conductive sheet, when a short circuit occurs, the magnetic field generated by the coil 9 instantly drives the telescopic frame 14 to continue to move left, the circuit is disconnected, and after the magnetic field disappears, the telescopic frame 14 is straightened to the right under the action of the extension spring 16.
Furthermore, a fixed block 4 is fixedly arranged on the right side between the rectangular holes 18 on the upper side and the lower side in the telescopic frame 14, and a plurality of arc extinguishing plates 7 are fixedly connected to the fixed block 4, so that when a short circuit occurs, the electric arcs generated between the upper side and the lower side of the conductive rods 13 are small, and the moving telescopic frame 14 is instantaneously blocked, and in the process, the electric arcs can be further miniaturized through the plurality of arc extinguishing plates 7 in the rectangular holes 18, so that the excellent arc extinguishing operation is realized.
Further, the sealing rubber gaskets are arranged at the opposite ends of the upper sealing frame 2 and the lower sealing frame 1, so that the tightness is improved, and the inflow of external air is avoided.
Further, the fixed frame 15 and the telescopic frame 14 in the utility model are both insulating plastic frames.
In summary, when the utility model is used, the lower binding post 8, the upper copper post 11, the upper connecting plate 12, the conducting rod 13, the conducting strip, the lower connecting plate 12, the conducting rod 13 and the lower copper post 17 form a complete loop, when a short circuit occurs in a circuit, the circuit in the coil 9 is instantaneously increased, the magnetic field generated by the coil 9 is enhanced, the magnetic plate 10 and the telescopic frame 14 connected with the magnetic plate are attracted to move left, at the moment, the conducting strip at the rectangular frame 18 in the telescopic frame 14 moves left, so that the conducting strip is separated from the conducting rod 13 at the upper side and the lower side, in the process, an electric arc is generated between the conducting rod 13 at the upper side and the lower side, and because the conducting rod 13 is provided with a plurality of conducting rods, the electric arc generated between the conducting rod 13 at the upper side and the lower side is very small, and because the moving telescopic frame 14 is instantaneously blocked, in the process, the electric arc can be further miniaturized, the excellent arc extinguishing operation is realized, and the safety and the extinguishing effect are further improved when the arc extinguishing structure is placed in a vacuum environment;
the lower copper column 17 is connected with the coil 9 in series, the magnetic field generated by the coil 9 drives the telescopic frame 14 to move left for a small distance under the normal working condition of the circuit breaker, at the moment, the upper copper column 11 and the lower copper column 17 are connected and electrified through the conducting strip, when a short circuit occurs, the magnetic field generated by the coil 9 instantly drives the telescopic frame 14 to continue to move left, the circuit is disconnected, and after the magnetic field disappears, the telescopic frame 14 is straightened to the right side under the action of the extension spring 16;
the fixed block 4 is fixedly arranged on the right side between the rectangular holes 18 on the upper side and the lower side in the telescopic frame 14, and a plurality of arc extinguishing plates 7 are fixedly connected to the fixed block 4, so that when a short circuit occurs, the electric arcs generated between the upper side and the lower side of the conductive rods 13 are very small, and the moving telescopic frame 14 is instantaneously blocked, in the process, the electric arcs can be further miniaturized through the plurality of arc extinguishing plates 7 in the rectangular holes 18, and the excellent arc extinguishing operation is realized.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. Indoor high-voltage vacuum circuit breaker, including last sealing frame (2), its characterized in that: the upper sealing frame (2) is fixedly connected with the lower sealing frame (1) at the lower end, the right side of the upper sealing frame (2) is provided with an exhaust hole (3), a plurality of upper binding posts (6) and lower binding posts (8) are respectively arranged on the upper sealing frame (2) and the lower sealing frame (1), an arc extinguishing component (5) is arranged between the upper binding posts (6) and the lower binding posts (8) corresponding to the upper side and the lower side in the upper sealing frame (2) and the lower sealing frame (1), the arc extinguishing component (5) comprises a coil (9) arranged on the inner side wall of the upper sealing frame (2), a fixed frame (15) is fixedly arranged on one side opposite to the coil (9), an upper copper post (11) and a lower copper post (17) are respectively arranged on the upper side and the lower side of the fixed frame (15), one end, which is separated from the upper copper post (11) and the lower copper post (17), of the upper copper post (6) is respectively connected with the lower binding post (8), a connecting plate (12) is fixedly connected with one end opposite to the upper end of the upper copper post (11) and the lower copper post (17), one end opposite to the lower end (12) is connected with a plurality of conductive rods (13) opposite to one end opposite to the upper end (13), the magnetic plate (10) is fixedly connected to the end part of the telescopic frame (14) outside the fixed frame (15), an extension spring (16) is connected between the inner side wall of the fixed frame (15) and the end part of the telescopic frame (14), rectangular holes (18) are formed in the upper side wall and the lower side wall of the telescopic frame (14) in a penetrating mode, conducting plates are fixedly arranged on the left side in the rectangular holes (18) on the upper side and the lower side, and the upper end and the lower end of each conducting plate are respectively abutted to the conducting rods (13) on the upper side and the lower side.
2. An indoor high voltage vacuum interrupter as defined in claim 1, wherein: the lower copper column (17) is connected with the coil (9) in series.
3. An indoor high voltage vacuum interrupter as defined in claim 2, wherein: a fixed block (4) is fixedly arranged on the right side between rectangular holes (18) on the upper side and the lower side in the telescopic frame (14), and a plurality of arc extinguishing plates (7) are fixedly connected to the fixed block (4).
4. An indoor high voltage vacuum interrupter as defined in claim 3, wherein: and sealing rubber gaskets are arranged at opposite ends of the upper sealing frame (2) and the lower sealing frame (1).
5. An indoor high-voltage vacuum interrupter as defined in claim 4, wherein: the fixed frame (15) and the telescopic frame (14) are both insulating plastic frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072085.5U CN220189500U (en) | 2023-05-05 | 2023-05-05 | Indoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072085.5U CN220189500U (en) | 2023-05-05 | 2023-05-05 | Indoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220189500U true CN220189500U (en) | 2023-12-15 |
Family
ID=89108257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072085.5U Active CN220189500U (en) | 2023-05-05 | 2023-05-05 | Indoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220189500U (en) |
-
2023
- 2023-05-05 CN CN202321072085.5U patent/CN220189500U/en active Active
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| GR01 | Patent grant |