CN220273149U - Pressure relief device of high-voltage switch cabinet - Google Patents
Pressure relief device of high-voltage switch cabinet Download PDFInfo
- Publication number
- CN220273149U CN220273149U CN202321415069.1U CN202321415069U CN220273149U CN 220273149 U CN220273149 U CN 220273149U CN 202321415069 U CN202321415069 U CN 202321415069U CN 220273149 U CN220273149 U CN 220273149U
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- fixed
- rod
- switch cabinet
- pressure relief
- rack
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims description 31
- 244000309464 bull Species 0.000 claims description 10
- 230000006378 damage Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
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Abstract
The utility model discloses a pressure relief device of a high-voltage switch cabinet, which relates to the technical field of pressure relief devices and comprises a switch cabinet body, wherein a fixed rod is arranged on the switch cabinet body, a telescopic rod is fixed on one side of the fixed rod, a rack is fixed at the output end of the telescopic rod, a gear is meshed on the rack, a rotating rod is fixed below the gear, a sealing plate is fixed below the rotating rod, and a pressure relief door is fixed below the sealing plate. According to the utility model, the telescopic rod, the rack, the gear, the sealing plate, the rotating rod, the pressure relief door, the lower supporting rod and the upper supporting rod are arranged, the timing switch is arranged beside the telescopic rod, the telescopic rod is started and closed at fixed time, when the telescopic rod is started, the rack is pulled backwards to drive the gear to rotate, the gear drives the rotating rod to rotate, the pressure relief door is opened, the pressure of the switch cabinet can be relieved regularly, the possibility of superposition of newly generated high pressure and the high pressure accumulated before is reduced, and the possibility of occurrence of major arc faults is reduced.
Description
Technical Field
The utility model relates to the technical field of pressure relief devices, in particular to a pressure relief device of a high-voltage switch cabinet.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion, power consumption and the like of a power system, and plays roles of on-off, control or protection, and the high-voltage switch cabinet is used as a network cabinet (HXGN) of a general equipment of Shanghai. The voltage class of the electric products is 3.6 kV-550 kV, and the high-voltage isolating switch is in various categories such as a grounding switch, a high-voltage load switch, a high-voltage automatic superposition and sectionalizer, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.
The utility model provides an inside arc fault of cubical switchboard, be an explosion, huge electric arc energy concentrates the explosion in narrow and small space inside, the shock wave that explosion produced radiates to all directions with the speed of light, can produce negative pressure to the location that blocks, pressure surge, the destruction degree is striking, the energy needs to release, just can reduce the destruction, the relative weak ring festival can break up first, pressure release reduces rapidly, this is the reason that metal-enclosed cubical switchboard needs the pressure release apron, current pressure release device generally sets up the pressure release board at the cabinet top, one end metal bolt is fixed, the another side adopts nylon bolt to fix, the pressure breaks nylon bolt when inside electric arc opens the apron, apron metal bolt fixed one side produces permanent deformation, the apron is in the open position always, sustained release pressure.
Due to various reasons such as incorrect installation, insulation damage, improper assembly, aging, humidity, dust and the like, negative pressure in the high-pressure compartment can be always generated, but the critical point of breaking the cover plate is not reached, when a major arc fault occurs, the newly generated high pressure is overlapped with the high pressure accumulated before, so that the damage is more caused, and the pressure release plate is permanently deformed after one-time use, needs to be replaced again and is troublesome.
Disclosure of Invention
Based on the above, the present utility model aims to provide a pressure relief device for a high-voltage switch cabinet, so as to solve the technical problems set forth in the above background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high tension switchgear pressure relief device, includes the cubical switchboard body, be provided with the dead lever on the cubical switchboard body, one side of dead lever is fixed with the telescopic link, the output of telescopic link is fixed with the rack, the meshing has the gear on the rack, the below of gear is fixed with the bull stick, the below of bull stick is fixed with the closing plate, the below of closing plate is fixed with the relief door.
Through adopting above-mentioned technical scheme, when the telescopic link starts, pulling rack backward, rack and gear drive to drive gear rotation, the bull stick is driven to the gear and is rotated, and the bull stick drives closing plate and pressure release door and rotates the back removal simultaneously, and lower branch and last branch rotate along with closing plate and pressure release door, and supplementary pressure release door is opened, can regularly carry out the pressure release to the cubical switchboard, reduces the high pressure of new production and the high pressure of accumulation before produces superimposed possibility, thereby reduces the possibility that major arc trouble takes place.
The utility model is further characterized in that a fixed seat is fixed at the other end of the switch cabinet body, and a threaded rod is connected to the fixed seat in a threaded manner.
Through adopting above-mentioned technical scheme, through screwing up the threaded rod or loosen the threaded rod, can fix or loosen the dust cover between threaded rod and the cubical switchboard body.
The utility model is further characterized in that the switch cabinet body is rotatably connected with the dust cover, the bottom end of the threaded rod is fixed with the pressing block, and the pressing block extends forwards and is positioned above the edge of the dust cover.
Through adopting above-mentioned technical scheme, make the end of stretching out of briquetting just to the top at dust cover edge through screwing up the threaded rod, can fix the dust cover, can prevent when the telescopic link is opened that the dust from getting into inside the cubical switchboard body, when needs change, unscrew the threaded rod and make the briquetting rotatory certain angle, can loosen the dust cover, the convenience is to the change of dust cover.
The utility model is further characterized in that a limiting frame is arranged on the outer side of the rack, and the sealing plate is connected with the pressure release door in a stepped mode.
Through adopting above-mentioned technical scheme, spacing frame can carry out spacingly to the rack, makes the rack remove in the horizontal direction to make the structure operation more stable, closing plate and pressure release door are echelonment and connect, make down branch and upper branch crisscross from top to bottom, can not bump when rotating.
The utility model is further characterized in that the upper end of the fixed rod is rotatably connected with a lower supporting rod, and the other end of the lower supporting rod is fixedly connected with the pressure release door.
Through adopting above-mentioned technical scheme, the bottom and the relief door fixed connection that the dead lever was passed to lower branch, and when the lower branch rotated, the relief door can drive down branch when moving and rotate, and the supplementary relief door of lower branch is opened or is closed.
The utility model is further characterized in that an upper supporting rod is arranged beside the lower supporting rod, and the other end of the upper supporting rod is fixedly connected with the sealing plate.
Through adopting above-mentioned technical scheme, when the closing plate rotates, drive branch and rotate, go up branch and carry out spacingly to the closing plate, supplementary closing plate opens or closes.
The utility model is further provided with a timing switch beside the telescopic rod, so that the telescopic rod can be started or closed at fixed time.
By adopting the technical scheme, the telescopic rod is started or closed at regular time by the timing switch, so that the pressure of the switch cabinet body can be relieved at regular time, the negative pressure accumulation in the switch cabinet body is prevented, and the possibility of serious arc accidents is reduced.
In summary, the utility model has the following advantages:
1. according to the utility model, the telescopic rod, the rack, the gear, the sealing plate, the rotating rod, the pressure release door, the lower supporting rod and the upper supporting rod are arranged, the timing switch is arranged beside the telescopic rod, the telescopic rod is started and closed at fixed time, when the telescopic rod is started, the rack is pulled to be backward, the rack and the gear are driven, so that the gear is driven to rotate, the gear drives the rotating rod to rotate, the rotating rod drives the sealing plate and the pressure release door to rotate and move backward, the lower supporting rod and the upper supporting rod rotate along with the sealing plate and the pressure release door, the pressure release door is assisted to be opened, the pressure release of a switch cabinet can be carried out regularly, the possibility of superposition of newly generated high pressure and the high pressure accumulated before is reduced, and the possibility of occurrence of major arc faults is reduced.
2. According to the utility model, the switch cabinet body, the dust cover, the fixing seat, the threaded rod and the pressing block are arranged, the pressure release door is opened, when the pressure release door is used for releasing pressure of the switch cabinet, the pressing block can prevent dust from entering the switch cabinet body, so that damage of the dust to the switch cabinet body is reduced, when the switch cabinet body needs to be replaced, the threaded rod is screwed, the pressing block is driven to be upwards rotated by a certain angle, the dust cover can be detached, after a new dust cover is replaced, the threaded rod is reversely screwed, the pressing block is used for fixing the dust cover, the replacement is completed, the operation is simple and convenient, and the work efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the gears and turn bars and connections of the present utility model;
FIG. 3 is a schematic view of the connection of the lower strut and the pressure relief door of the present utility model;
fig. 4 is a schematic view of the pressure release door of the present utility model when closed.
In the figure: 1. a switch cabinet body; 2. a dust cover; 3. a fixing seat; 4. a threaded rod; 5. briquetting; 6. a fixed rod; 7. a telescopic rod; 8. a rack; 9. a gear; 10. a sealing plate; 11. a rotating rod; 12. a pressure relief door; 13. a lower support rod; 14. an upper support rod; 15. and a limit frame.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
The utility model provides a high tension switchgear pressure release device, as shown in fig. 1-4, including switch cabinet body 1, be provided with dead lever 6 on the switch cabinet body 1, one side of dead lever 6 is fixed with telescopic link 7, the output of telescopic link 7 is fixed with rack 8, the meshing has gear 9 on rack 8, the below of gear 9 is fixed with bull stick 11, the below of bull stick 11 is fixed with closing plate 10, the below of closing plate 10 is fixed with pressure release door 12, be provided with the time switch next door to telescopic link 7, start and close telescopic link 7 regularly, when telescopic link 7 starts, pulling rack 8 backward, rack 8 and gear 9 transmission, thereby drive gear 9 rotation, gear 9 drives bull stick 11 rotation, bull stick 11 drives closing plate 10 and pressure release door 12 and rotates backward along with closing plate 10 and pressure release door 12 rotation, auxiliary pressure release door 12 opens, can regularly carry out the switch cabinet, reduce the possibility that the high pressure that newly produced and the high pressure that produces before produced stacks, thereby reduce the possibility that major arc fault takes place.
Referring to fig. 1, a fixing seat 3 is fixed at the other end of the switch cabinet body 1, a threaded rod 4 is screwed on the fixing seat 3, and the dust cover 2 between the threaded rod 4 and the switch cabinet body 1 can be fixed or loosened by screwing the threaded rod 4 or loosening the threaded rod 4.
Referring to fig. 1, the switch cabinet is further configured in such a way that the switch cabinet body 1 is rotatably connected with the dust cover 2, the bottom end of the threaded rod 4 is fixed with the pressing block 5, the pressing block 5 extends forwards and is positioned above the edge of the dust cover 2, the protruding end of the pressing block 5 is opposite to the upper side of the edge of the dust cover 2 by screwing the threaded rod 4, the dust cover 2 can be fixed, dust can be prevented from entering the switch cabinet body 1 when the telescopic rod 7 is opened, when the switch cabinet needs to be replaced, the threaded rod 4 is unscrewed to enable the pressing block 5 to rotate for a certain angle, the dust cover 2 can be loosened, and the replacement of the dust cover 2 is facilitated.
Referring to fig. 3, a limiting frame 15 is disposed on the outer side of the rack 8, the sealing plate 10 and the pressure release door 12 are connected in a stepped manner, the limiting frame 15 can limit the rack 8, so that the rack 8 moves in a horizontal direction, the structure is more stable in operation, the sealing plate 10 and the pressure release door 12 are connected in a stepped manner, the lower support rod 13 and the upper support rod 14 are staggered up and down, and no collision occurs during rotation.
Referring to fig. 2 and 3, the upper end of the fixing rod 6 is rotatably connected with a lower support rod 13, the other end of the lower support rod 13 is fixedly connected with the pressure release door 12, the lower support rod 13 passes through the bottom end of the fixing rod 6 and is fixedly connected with the pressure release door 12, when the lower support rod 13 rotates, the pressure release door 12 can drive the lower support rod 13 to rotate when moving, and the lower support rod 13 assists the pressure release door 12 to open or close.
Referring to fig. 2 and 3, an upper strut 14 is disposed beside the lower strut 13, the other end of the upper strut 14 is fixedly connected with the sealing plate 10, and when the sealing plate 10 rotates, the upper strut 14 is driven to rotate, the upper strut 14 limits the sealing plate 10, and the sealing plate 10 is assisted to be opened or closed.
Referring to fig. 4, a timing switch is arranged beside the telescopic rod 7, the telescopic rod 7 can be started or closed at regular time by the timing switch, the pressure of the switch cabinet body 1 can be relieved at regular time, negative pressure accumulation in the switch cabinet body 1 is prevented, and the possibility of occurrence of serious arc accidents is reduced.
The working principle of the utility model is as follows: when the telescopic rod 7 is started, the rack 8 is pulled to be backwards, the rack 8 and the gear 9 are driven, so that the gear 9 is driven to rotate, the gear 9 drives the rotary rod 11 to rotate, the rotary rod 11 drives the sealing plate 10 and the pressure release door 12 to rotate and move backwards, the lower support rod 13 and the upper support rod 14 rotate along with the sealing plate 10 and the pressure release door 12, the auxiliary pressure release door 12 is opened, the switch cabinet can be regularly depressurized, the pressing block 5 can prevent dust from entering the switch cabinet body 1 when the switch cabinet is depressurized, the damage of the dust to the switch cabinet body 1 is reduced, when the switch cabinet body 1 needs to be replaced, the threaded rod 4 is screwed, the pressing block 5 is driven to be upwards, the dust cover 2 can be detached by a certain angle, after the new dust cover 2 is replaced, the threaded rod 4 is reversely screwed, the pressing block 5 is enabled to fix the dust cover 2, and the replacement is completed, and the operation is simple and convenient.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. The utility model provides a high tension switchgear pressure relief device, includes cubical switchboard body (1), its characterized in that: be provided with dead lever (6) on cubical switchboard body (1), one side of dead lever (6) is fixed with telescopic link (7), the output of telescopic link (7) is fixed with rack (8), the meshing has gear (9) on rack (8), the below of gear (9) is fixed with bull stick (11), the below of bull stick (11) is fixed with closing plate (10), the below of closing plate (10) is fixed with pressure release door (12).
2. The pressure relief device for a high voltage switchgear as claimed in claim 1, wherein: the switch cabinet is characterized in that a fixing seat (3) is fixed at the other end of the switch cabinet body (1), and a threaded rod (4) is connected to the fixing seat (3) in a threaded mode.
3. The pressure relief device for a high voltage switchgear as claimed in claim 2, wherein: the switch cabinet is characterized in that the switch cabinet body (1) is rotationally connected with the dust cover (2), a pressing block (5) is fixed at the bottom end of the threaded rod (4), and the pressing block (5) extends forwards and is positioned above the edge of the dust cover (2).
4. The pressure relief device for a high voltage switchgear as claimed in claim 1, wherein: the outside of rack (8) is provided with spacing frame (15), closing plate (10) and pressure release door (12) are echelonment connection.
5. The pressure relief device for a high voltage switchgear as claimed in claim 1, wherein: the upper end of the fixed rod (6) is rotatably connected with a lower supporting rod (13), and the other end of the lower supporting rod (13) is fixedly connected with the pressure release door (12).
6. The pressure relief device for a high voltage switchgear as claimed in claim 5, wherein: an upper supporting rod (14) is arranged beside the lower supporting rod (13), and the other end of the upper supporting rod (14) is fixedly connected with the sealing plate (10).
7. The pressure relief device for a high voltage switchgear as claimed in claim 1, wherein: a timing switch is arranged beside the telescopic rod (7) and can start or close the telescopic rod (7) at fixed time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415069.1U CN220273149U (en) | 2023-06-06 | 2023-06-06 | Pressure relief device of high-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415069.1U CN220273149U (en) | 2023-06-06 | 2023-06-06 | Pressure relief device of high-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220273149U true CN220273149U (en) | 2023-12-29 |
Family
ID=89299482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321415069.1U Active CN220273149U (en) | 2023-06-06 | 2023-06-06 | Pressure relief device of high-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220273149U (en) |
-
2023
- 2023-06-06 CN CN202321415069.1U patent/CN220273149U/en active Active
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