CN220106352U - Circuit breaker double-sealing structure for inflatable cabinet - Google Patents
Circuit breaker double-sealing structure for inflatable cabinet Download PDFInfo
- Publication number
- CN220106352U CN220106352U CN202321473654.7U CN202321473654U CN220106352U CN 220106352 U CN220106352 U CN 220106352U CN 202321473654 U CN202321473654 U CN 202321473654U CN 220106352 U CN220106352 U CN 220106352U
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- sealing
- circuit breaker
- aluminum plate
- double
- gas tank
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- 238000007789 sealing Methods 0.000 title claims abstract description 144
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 70
- 239000007787 solid Substances 0.000 abstract description 11
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 15
- 238000009413 insulation Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a double-sealing structure of a circuit breaker for an inflatable cabinet, which is characterized in that a sealing aluminum plate, a supporting rod with a sealing function, a corrugated pipe assembly and the like are additionally arranged on the basis of the original structure of the circuit breaker, a sealing aluminum plate supporting operating mechanism and a solid sealing pole are used, the supporting rod with the sealing function is arranged between the solid sealing pole and the sealing aluminum plate, and sealing elements are arranged between the sealing aluminum plate and an air box, between the sealing aluminum plate and the supporting rod and between the sealing aluminum plate and the corrugated pipe assembly, so that static sealing of the circuit breaker is realized; the bellows component is additionally arranged between the solid-sealed polar pole and the operating mechanism, so that dynamic sealing of the circuit breaker is realized, and the problems of sealing in the running process, the operating process and the full life cycle of the circuit breaker are solved through the combination of dynamic and static sealing.
Description
Technical Field
The utility model belongs to the technical field of high-voltage electrical equipment, and particularly relates to a breaker double-sealing structure for an inflatable cabinet.
Background
The air charging cabinet is a new generation of switch equipment which seals high-voltage elements such as buses, circuit breakers, isolating switches, mutual inductors and the like in a shell filled with SF6 or other gases with lower pressure (0.1-0.5 mpa), and the whole cabinet is combined with a gas compartment by adopting air insulation, so that the air charging cabinet is compact and extensible, is suitable for power distribution automation, and has the greatest advantage of being free from the influence of external environments such as condensation, pollution, small animals, chemical substances and the like. Another advantage is that the use of compressed gas insulation (e.g. SF6, N2, or dry air) is advantageous for the miniaturization.
In the aspect of processing and manufacturing, the high-voltage inflatable cabinet has higher technical content than a common air insulation cabinet, based on the fact that the inflatable cabinet is internally provided with a vacuum circuit breaker which adopts a fixed structure, new requirements are put forward on sealing of the circuit breaker, and the traditional vacuum circuit breaker in industry lacks a sealing structure and is limited by a structural form and cannot be directly applied.
Disclosure of Invention
The utility model aims to provide a double-sealing structure of a circuit breaker for an inflatable cabinet, which aims to solve the problem that a vacuum circuit breaker in the prior art lacks a sealing structure.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a aerify cabinet and use circuit breaker double containment structure for circuit breaker's seal, including sealed aluminum plate, bellows subassembly and sealing member, sealed aluminum plate one side is connected with circuit breaker operating mechanism, and the opposite side is connected with the circuit breaker gas tank, is equipped with solid seal post in the circuit breaker gas tank, solid seal post passes through the bracing piece to be fixed on sealed aluminum plate, still wears to be equipped with the bellows subassembly on the sealed aluminum plate, all be provided with the sealing member between sealed aluminum plate and circuit breaker gas tank, sealed aluminum plate and bracing piece, sealed aluminum plate and the bellows subassembly.
Further, one end of the bellows assembly is fixed on the breaker operating mechanism, and the other end of the bellows assembly is fixed on a fixed sealing pole in the breaker gas tank.
Further, bellows subassembly pipeline one side is laminated with sealed aluminum plate, and the opposite side protrusion is in sealed aluminum plate, and the bulge is located the circuit breaker gas tank.
Further, a through hole for the corrugated pipe assembly to pass through is formed in the center of the sealing aluminum plate.
Further, a counter bore for fixing the support rod is formed in the sealing aluminum plate.
Further, a third sealing ring is adopted as a sealing piece between the sealing aluminum plate and the breaker air box.
Further, a sealing piece between the sealing aluminum plate and the supporting rod adopts a first sealing ring.
Further, a second sealing ring is adopted as a sealing piece between the sealing aluminum plate and the corrugated pipe assembly.
Further, a sealing flange is arranged on the outer side of the second sealing ring and fixed on the sealing aluminum plate.
Further, the sealing piece between the sealing aluminum plate and the corrugated pipe assembly is arranged on one side, connected with the breaker operating mechanism, of the sealing aluminum plate.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a double-sealing structure of a circuit breaker for an inflatable cabinet, which is characterized in that a sealing aluminum plate is arranged between an operating mechanism of the circuit breaker and a gas tank of the circuit breaker, the operating mechanism and a solid sealing pole post are supported by the sealing aluminum plate, a supporting rod with a sealing function is arranged between the solid sealing pole post and the sealing aluminum plate, and sealing elements are arranged between the sealing aluminum plate and the gas tank, between the sealing aluminum plate and the supporting rod and between the sealing aluminum plate and a corrugated pipe assembly, so that static sealing of the circuit breaker is realized.
Preferably, one end of the pipeline of the corrugated pipe assembly is attached to one side of the sealing aluminum plate, the other end of the pipeline of the corrugated pipe assembly protrudes out of the sealing aluminum plate, and the pipeline of the corrugated pipe assembly of the protruding portion is located in the gas tank of the circuit breaker.
Preferably, a sealing flange is arranged on the outer side of a sealing element arranged between the sealing aluminum plate and the corrugated pipe assembly, and the sealing flange is arranged on the sealing aluminum plate and used for fixing the sealing element, so that the sealing performance of the sealing aluminum plate is ensured.
Drawings
Fig. 1 is a schematic diagram of a double-seal structure of a circuit breaker for a gas-filled tank in an embodiment of the utility model.
In the figure, 1, a solid sealing pole; 2. a support rod; 3. a first seal ring; 4. sealing the aluminum plate; 5. a bellows assembly; 6. a sealing flange; 7. a second seal ring; 8. a third seal ring; 9. a breaker gas box; 10. and a breaker operating mechanism.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1, a dual-sealing structure of a breaker for an inflatable cabinet is provided between a breaker air box 9 and a breaker operating mechanism 10, specifically, the main structural body is a sealing aluminum plate 4, and the dual-sealing structure further comprises a corrugated pipe assembly 5, a sealing flange 6 and corresponding sealing members, wherein a solid sealing pole 1 is arranged in the breaker air box 9, one end of the solid sealing pole 1 is bolted with a supporting rod 2, the supporting rod 2 is fixed on the sealing aluminum plate 4, and sealing members are arranged between the sealing aluminum plate 4 and the supporting rod 2, and between the breaker air box 9 and the corrugated pipe assembly 5.
Specifically, sealing aluminum plate 4 central point puts and opens there is the through-hole for bellows subassembly 5 passes, bellows subassembly 5 includes pipeline and connecting rod, bellows subassembly 5 connecting rod one end is connected with circuit breaker operating mechanism 10, the other end is fixed on sealing pole 1 admittedly, bellows subassembly 5 pipeline one end is laminated with sealing aluminum plate 4 one side, the other end protrusion is in sealing aluminum plate 4, bellied bellows subassembly 5 pipeline is arranged in circuit breaker gas tank 9, the pipeline of bellows subassembly 5 can effectively be protected in such design is difficult for receiving the damage.
The counter bores for fixing the support rods 2 are further formed in two sides of the center position of the sealing aluminum plate 4, a third sealing ring 8 is arranged between the sealing aluminum plate 4 and the breaker air box 9, a first sealing ring 3 is arranged between the sealing aluminum plate 4 and the support rods 2, a second sealing ring 7 is arranged between the sealing aluminum plate 4 and the corrugated pipe assembly 5, in addition, a sealing flange 6 is further arranged on the outer side of the second sealing ring 7, the sealing flange 6 is used for fixing the second sealing ring 7, the sealing flange 6 is arranged on the sealing aluminum plate 4, and the second sealing ring 7 and the sealing flange 6 are arranged on one side, connected with the breaker operating mechanism 10, of the sealing aluminum plate 4.
A first sealing ring 3 is arranged on a supporting rod 2 bolted with the sealing pole 1 and is bolted with a sealing aluminum plate 4, so that static sealing is realized; the breaker operating mechanism 10 is bolted on the sealing aluminum plate 4 and connected with the corrugated pipe assembly 5 to perform opening and closing operation on the solid sealing pole 1; the corrugated pipe assembly 5 is connected with the solid sealing polar pole 1, a second sealing ring 7 is arranged between the corrugated pipe assembly 5 and the sealing aluminum plate 4, the sealing flange 6 is bolted on the sealing aluminum plate 4, and the corrugated pipe assembly 5 and the second sealing ring 7 are tightly pressed to realize static sealing and dynamic sealing; a third sealing ring 8 is arranged between the sealing aluminum plate 4 and the breaker air box 9, and the sealing aluminum plate 4 is bolted with the breaker air box 9 to realize static sealing. So far a sealed cavity is formed inside the gas box 9.
The utility model also provides a breaker applying the sealing structure and an inflatable cabinet comprising the breaker.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a aerify cabinet and use circuit breaker double containment structure, its characterized in that for the seal of circuit breaker, including sealed aluminum plate (4), bellows subassembly (5) and sealing member, sealed aluminum plate (4) one side is connected with circuit breaker operating mechanism (10), and the opposite side is connected with circuit breaker gas tank (9), is equipped with in circuit breaker gas tank (9) and seals utmost point post (1), seal utmost point post (1) and fix on sealed aluminum plate (4) through bracing piece (2), still wear to have bellows subassembly (5) on sealed aluminum plate (4), all be provided with sealing member between sealed aluminum plate (4) and circuit breaker gas tank (9), sealed aluminum plate (4) and bracing piece (2), sealed aluminum plate (4) and bellows subassembly (5).
2. The double-sealing structure of the circuit breaker for the gas-filled cabinet according to claim 1, wherein one end of the corrugated pipe assembly (5) is fixed on the circuit breaker operating mechanism (10), and the other end of the corrugated pipe assembly is fixed on the solid-sealed pole (1) in the circuit breaker gas tank (9).
3. The double-sealing structure of the circuit breaker for the gas-filled cabinet according to claim 1, wherein one side of the pipeline of the corrugated pipe assembly (5) is attached to the sealing aluminum plate (4), the other side of the pipeline is protruded out of the sealing aluminum plate (4), and the protruded portion is located in the gas tank (9) of the circuit breaker.
4. A double-sealing structure of a circuit breaker for a gas-filled cabinet according to claim 3, wherein a through hole for passing a bellows assembly (5) is formed in the central position of the sealing aluminum plate (4).
5. The double-sealing structure of the circuit breaker for the gas tank according to claim 1, wherein the sealing aluminum plate (4) is provided with a counter bore for fixing the supporting rod (2).
6. The double-sealing structure of the circuit breaker for the gas-filled cabinet according to claim 1, wherein a third sealing ring (8) is adopted as a sealing element between the sealing aluminum plate (4) and the gas tank (9) of the circuit breaker.
7. The double-sealing structure of the circuit breaker for the gas tank according to claim 1, wherein a sealing piece between the sealing aluminum plate (4) and the supporting rod (2) adopts a first sealing ring (3).
8. The double-sealing structure of the circuit breaker for the gas-filled cabinet according to claim 1, wherein a second sealing ring (7) is adopted as a sealing element between the sealing aluminum plate (4) and the corrugated pipe assembly (5).
9. The double-sealing structure of the circuit breaker for the gas tank according to claim 8, wherein a sealing flange (6) is arranged on the outer side of the second sealing ring (7), and the sealing flange (6) is fixed on the sealing aluminum plate (4).
10. The double-seal structure of a circuit breaker for a gas tank according to claim 1, wherein a seal between the seal aluminum plate (4) and the bellows assembly (5) is provided on a side where the seal aluminum plate (4) is connected to the circuit breaker operating mechanism (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473654.7U CN220106352U (en) | 2023-06-09 | 2023-06-09 | Circuit breaker double-sealing structure for inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473654.7U CN220106352U (en) | 2023-06-09 | 2023-06-09 | Circuit breaker double-sealing structure for inflatable cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106352U true CN220106352U (en) | 2023-11-28 |
Family
ID=88868362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321473654.7U Active CN220106352U (en) | 2023-06-09 | 2023-06-09 | Circuit breaker double-sealing structure for inflatable cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106352U (en) |
-
2023
- 2023-06-09 CN CN202321473654.7U patent/CN220106352U/en active Active
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| GR01 | Patent grant | ||
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