CN220985160U - Cubical switchboard pressure release protective structure - Google Patents
Cubical switchboard pressure release protective structure Download PDFInfo
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- CN220985160U CN220985160U CN202322563206.2U CN202322563206U CN220985160U CN 220985160 U CN220985160 U CN 220985160U CN 202322563206 U CN202322563206 U CN 202322563206U CN 220985160 U CN220985160 U CN 220985160U
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- dustproof
- pressure relief
- alarm
- pressure
- switch cabinet
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- 230000001681 protective effect Effects 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 16
- 239000000428 dust Substances 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to the technical field of switch cabinets, in particular to a pressure relief protection structure of a switch cabinet. Technical problems: the pressure relief opening of the common switch cabinet pressure relief protection device is exposed, a dustproof structure is lacking, sundries such as dust are easy to enter the inside, so that the reliability of internal parts is to be improved, an auxiliary alarm structure is lacking, and when the inside of a switch cabinet body is in a high-temperature and high-pressure state, the original electronic alarm device is easy to fail, so that the problem that an alarm cannot be given out is solved. The technical scheme is as follows: a pressure relief protection structure of a switch cabinet comprises a switch cabinet body. According to the utility model, the dustproof alarm assembly can prevent foreign matters such as external dust from entering and affecting the movement of internal parts, when the pressure is released, the pressure release assembly rises to pierce the dustproof alarm assembly to release the pressure to the outside, and when the air flow passes through the dustproof alarm assembly, sound can be generated to achieve an auxiliary warning effect.
Description
Technical Field
The utility model relates to the technical field of switch cabinets, in particular to a pressure relief protection structure of a switch cabinet.
Background
In the operation process of the switch cabinet, under the conditions of insulation aging, manual misoperation, switch cabinet design defects and the like, a short circuit fault can occur in a primary loop, tens of thousands of amperes of short circuit current can be generated, high-temperature and high-pressure gas can be instantaneously generated by the short circuit current, and because the cabinet body is relatively narrow, if fault air flow can not be effectively released in a short time, the switch cabinet can be burst, serious damage is caused to adjacent switch cabinets and workers, and serious safety accidents are caused, so that the switch cabinet is required to be provided with a pressure relief protection device in the design process.
The pressure relief opening of the common switch cabinet pressure relief protection device is exposed, a dustproof structure is lacking, sundries such as dust are easy to enter the inside, so that the reliability of internal parts is to be improved, an auxiliary alarm structure is lacking, and when the inside of a switch cabinet body is in a high-temperature and high-pressure state, the original electronic alarm device is easy to fail, so that the problem that an alarm cannot be given out is solved.
Therefore, the pressure relief opening of the pressure relief protection device of the switch cabinet is exposed, a dustproof structure is lacked, sundries such as dust are easy to enter the interior, reliability is to be improved, and meanwhile, the problem of the lack of an auxiliary alarm structure is needed to be solved, so that the use scene is improved.
Disclosure of utility model
In order to overcome the problem that the pressure relief opening of the common pressure relief protective device for the switch cabinet is exposed, a dustproof structure is lacked, sundries such as dust are easy to enter the interior, the reliability is to be improved, and an auxiliary alarm structure is lacked.
The technical scheme of the utility model is as follows: the utility model provides a cubical switchboard pressure release protective structure, including the cubical switchboard body, the pressure release mouth has been seted up at cubical switchboard body top, pressure release mouth internally connected has the installation pipe, the installation pipe outside is provided with the connecting plate, the connecting plate passes through the screw and is connected with cubical switchboard body top, installation pipe internally mounted has the inner tube, the inner tube is close to the lower extreme position left and right sides and has seted up logical groove, install the pressure release subassembly of movable pressure release in the middle of the inner tube, installation pipe upper end inboard is provided with the internal thread, dustproof alarm subassembly is installed at installation pipe top.
Preferably, when needs pressure release, gaseous follow pressure release mouth leading-in mounting tube, the inner tube, promote the pressure release subassembly and remove, thereby realize the pressure release function, dustproof alarm assembly can prevent debris such as outside dust from getting into and influencing the internals activity, when the pressure release, pressure release assembly rises and impales dustproof alarm assembly, outwards pressure release, when the air current is through dustproof alarm assembly, can sound, supplementary warning, the pressure release mouth of having solved common cubical switchboard pressure release protector exposes, lack dustproof construction, it gets into inside to lead to debris such as dust easily, make internals jamming, the reliability remains to improve, lack supplementary warning structure simultaneously, when the cubical switchboard body is inside to be in high temperature high pressure state, original electronic warning device becomes invalid easily, lead to the problem that can't report an emergency and ask for help or increased vigilance.
Preferably, the first sealing ring is arranged at the outer side of the mounting pipe close to the bottom of the connecting plate, and the first sealing ring is tightly attached to the inner wall of the pressure relief opening, so that the air tightness can be ensured.
Preferably, the pressure relief assembly comprises a piston, a connecting rod, a spring, a connecting frame and a cutting blade; the inside sliding connection of inner tube has the piston, and the connecting rod is installed to piston upper end, and the connecting rod outside is located the position between piston and the inner tube upper end and installs the spring, and the connecting rod top is provided with the connecting frame, and cutting edge is installed at the connecting frame top, when inside atmospheric pressure risees, promotes the piston and rises, and spring compression, and the piston drives connecting rod, connecting frame, cutting edge and rises.
Preferably, the pressure relief assembly comprises a connecting ring and a sealing ring; the connecting frame lower extreme is connected with the go-between, and the go-between inboard installs the sealing ring, and the sealing ring is close to logical groove part outer wall sliding connection with the inner tube, and the go-between rises and drives go-between, sealing ring rise for the sealing ring leaves and opens the groove, and inside gas can overflow from logical groove, reaches the pressure release effect, accomplishes the pressure release back, and the spring is kick-backed, drives piston, connecting rod, go-between, cutting edge, go-between, sealing ring decline to initial position, and sealing ring shutoff is led to the groove, continues to keep sealed state.
Preferably, the dustproof alarm assembly comprises a top plate and a threaded ring; the top of the mounting pipe is connected with a top plate, the lower end of the top plate is provided with a threaded ring, the threaded ring is matched with the internal threads, and the mounting pipe is convenient to mount and dismount and easy to maintain.
Preferably, the dustproof alarm assembly comprises a dustproof diaphragm and a second sealing ring; the dustproof diaphragm is installed in the middle of the top plate, the second sealing ring is arranged at the bottom of the top plate close to the edge, good sealing effect can be achieved, foreign matters such as external dust are prevented from entering and affecting the movement of internal parts, reliability is improved, and when pressure relief is needed, the cutting edge rises to puncture the dustproof diaphragm, and pressure relief is completed.
Preferably, the dustproof alarm assembly comprises a fixed frame and an alarm whistle; the top of the top plate is connected with a fixed frame, an alarm whistle is arranged in the middle of the fixed frame, and when pressure is released, the exhaust air flow drives the alarm whistle to sound and alarm, so that an auxiliary warning effect is achieved.
The utility model has the beneficial effects that:
1. The dustproof alarm assembly can prevent sundries such as external dust from entering and affecting the activities of internal parts, when the dustproof alarm assembly is used for pressure relief, the pressure relief assembly rises to puncture the dustproof alarm assembly, sound can be generated when air flows pass through the dustproof alarm assembly, and auxiliary warning is carried out, so that the problem that the pressure relief opening of the common switch cabinet pressure relief protection device is exposed, a dustproof structure is lacking, the sundries such as dust are easy to enter the interior, the internal parts are blocked, the reliability is to be improved, and meanwhile, an auxiliary warning structure is lacking, and when the interior of the switch cabinet body is in a high-temperature and high-pressure state, the original electronic warning device is easy to fail, and the problem that warning cannot be carried out is solved;
2. Install dustproof diaphragm in the middle of the roof, the roof bottom is close to the border position and is provided with the second sealing washer, can play good sealed effect, prevents debris such as outside dust from getting into and influencing the internals activity, improves the reliability, when needs pressure release, the cutting edge rises to puncture dustproof diaphragm, accomplishes the pressure release, and the roof top is connected with the fixed frame, installs the warning whistle in the middle of the fixed frame, and when the pressure release, the exhaust air current drives warning whistle sounding and reports to the police, plays auxiliary warning effect.
Drawings
Fig. 1 shows a schematic perspective view of a pressure relief protection structure of a switch cabinet according to the present utility model;
fig. 2 shows a split structure schematic diagram of a pressure relief protection structure of a switch cabinet according to the present utility model;
FIG. 3 shows a schematic sectional view of a mounting tube of a pressure relief protective structure of a switchgear according to the present utility model;
FIG. 4 shows a schematic diagram of a pressure relief assembly of a pressure relief protective structure of a switchgear according to the present utility model;
FIG. 5 shows a split structure schematic diagram of a pressure relief assembly of a pressure relief protection structure of a switch cabinet according to the present utility model;
Fig. 6 shows a schematic diagram of a dustproof alarm assembly of a pressure relief protection structure of a switch cabinet according to the present utility model.
In the figure: 1. a switch cabinet body; 2. a pressure relief port; 3. installing a pipe; 4. a connecting plate; 5. an inner cylinder; 6. a through groove; 7. a pressure relief assembly; 8. an internal thread; 9. a dust-proof alarm assembly; 10. a first seal ring; 701. a piston; 702. a connecting rod; 703. a spring; 704. a connection frame; 705. a cutting edge; 706. a connecting ring; 707. a seal ring; 901. a top plate; 902. a threaded collar; 903. a dust-proof diaphragm; 904. a second seal ring; 905. a fixed frame; 906. alarm whistle.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-3, the present utility model provides an embodiment: the utility model provides a cubical switchboard pressure release protective structure, including cubical switchboard body 1, pressure release mouth 2 has been seted up at cubical switchboard body 1 top, pressure release mouth 2 internally connected has installation pipe 3, the installation pipe 3 outside is provided with connecting plate 4, connecting plate 4 passes through the screw and is connected with cubical switchboard body 1 top, installation pipe 3 internally mounted has inner tube 5, the inner tube 5 is close to the lower extreme position left and right sides and has seted up logical groove 6, install the pressure release subassembly 7 of mobilizable pressure release in the middle of the inner tube 5, installation pipe 3 upper end inboard is provided with internal thread 8, dustproof alarm subassembly 9 is installed at installation pipe 3 top, installation pipe 3 outsides are close to connecting plate 4 bottom positions and install first sealing washer 10, first sealing washer 10 closely laminates with pressure release mouth 2 inner wall, can guarantee the gas tightness.
Referring to fig. 4-5, in the present embodiment, the pressure relief assembly 7 includes a piston 701, a connecting rod 702, a spring 703, a connecting frame 704, and a cutting edge 705; the inside of the inner cylinder 5 is slidably connected with a piston 701, a connecting rod 702 is arranged at the upper end of the piston 701, a spring 703 is arranged at the outer side of the connecting rod 702 and positioned between the piston 701 and the upper end of the inner cylinder 5, a connecting frame 704 is arranged at the top of the connecting rod 702, a cutting edge 705 is arranged at the top of the connecting frame 704, when the internal air pressure rises, the piston 701 is pushed to rise, the spring 703 is compressed, the piston 701 drives the connecting rod 702, the connecting frame 704 and the cutting edge 705 to rise, and the pressure relief assembly 7 comprises a connecting ring 706 and a sealing ring 707; the connecting frame 704 lower extreme is connected with go-between 706, go-between 706 inboard installs sealing ring 707, sealing ring 707 and inner tube 5 are close to logical groove 6 part outer wall sliding connection, go-between 704 rise and drive go-between 706, sealing ring 707 rise, make sealing ring 707 leave logical groove 6, inside gas can overflow from logical groove 6, reach the pressure release effect, accomplish the pressure release back, spring 703 is kick-backed, drive piston 701, connecting rod 702, go-between 704, cutting edge 705, go-between 706, sealing ring 707 descend to initial position, sealing ring 707 shutoff logical groove 6, continue to keep sealed state.
Referring to fig. 6, in the present embodiment, the dustproof alarm assembly 9 includes a top plate 901 and a threaded ring 902; the top of the installation tube 3 is connected with a top plate 901, a threaded ring 902 is arranged at the lower end of the top plate 901, the threaded ring 902 is matched with the internal threads 8, the installation and the disassembly are convenient, the maintenance are easy, and the dustproof alarm assembly 9 comprises a dustproof diaphragm 903 and a second sealing ring 904; the dustproof diaphragm 903 is arranged in the middle of the top plate 901, the second sealing ring 904 is arranged at the bottom of the top plate 901 close to the edge, so that a good sealing effect can be achieved, foreign matters such as external dust are prevented from entering and affecting the movement of internal parts, the reliability is improved, when pressure relief is needed, the cutting edge 705 rises to puncture the dustproof diaphragm 903, pressure relief is completed, and the dustproof alarm assembly 9 comprises a fixed frame 905 and an alarm whistle 906; the roof 901 top is connected with fixed frame 905, installs warning whistle 906 in the middle of fixed frame 905, and when the pressure release, the exhaust air current drives warning whistle 906 sound warning, plays supplementary warning effect.
When working, when the internal air pressure rises, the piston 701 is pushed to rise, the spring 703 compresses, the piston 701 drives the connecting rod 702, the connecting frame 704 and the cutting edge 705 to rise, the connecting frame 704 rises to drive the connecting ring 706 and the sealing ring 707 to rise, so that the sealing ring 707 leaves the through groove 6, internal air can overflow from the through groove 6, the pressure release effect is achieved, after the pressure release is completed, the spring 703 rebounds, the piston 701, the connecting rod 702, the connecting frame 704, the cutting edge 705, the connecting ring 706 and the sealing ring 707 fall to the initial position, the sealing ring 707 blocks the through groove 6, the sealing state is kept continuously, the dustproof diaphragm 903 is arranged in the middle of the top plate 901, the second sealing ring 904 is arranged at the position close to the edge of the bottom of the top plate 901, good sealing effect can be achieved, sundries such as external dust are prevented from entering to influence the activities of internal parts, the reliability is improved, when the pressure release is required, the cutting edge 705 rises to puncture the dustproof diaphragm 903, the pressure release is completed, the top plate 901 is connected with the fixing frame 905, the whistle alarm air 906 is arranged in the middle of the fixing frame 905, when the pressure release is completed, the pressure release is carried out, the alarm air flow is used to sound the alarm, and the alarm is played.
Through the above-mentioned step, when needing the pressure release, gaseous leading-in mounting tube 3 from pressure release mouth 2, inner tube 5, promote pressure release subassembly 7 remove, thereby realize the pressure release function, dustproof alarm assembly 9 can prevent debris such as outside dust from getting into and influencing the interior part activity, when the pressure release, pressure release subassembly 7 rises and impale dustproof alarm assembly 9, to outside pressure release, when the air current is through dustproof alarm assembly 9, can make the sound, supplementary warning, the pressure release mouth 2 of common cubical switchboard pressure release protector has been solved, lack dustproof construction, debris such as dust get into inside easily, make interior part jamming, the reliability is to be improved, lack supplementary warning construction simultaneously, when the inside high temperature high pressure state that is in of cubical switchboard body 1, original electronic warning device is easy to become invalid, lead to the problem of unable warning.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (4)
1. The utility model provides a cubical switchboard pressure release protective structure, including cubical switchboard body (1), its characterized in that: the switch cabinet comprises a switch cabinet body (1), wherein a pressure relief opening (2) is formed in the top of the switch cabinet body (1), an installation pipe (3) is connected inside the pressure relief opening (2), a connecting plate (4) is arranged outside the installation pipe (3), the connecting plate (4) is connected with the top of the switch cabinet body (1) through screws, an inner cylinder (5) is arranged inside the installation pipe (3), through grooves (6) are formed in the left side and the right side of the inner cylinder (5) close to the lower end, a pressure relief assembly (7) capable of movably relieving pressure is arranged in the middle of the inner cylinder (5), an internal thread (8) is arranged on the inner side of the upper end of the installation pipe (3), a dustproof alarm assembly (9) is arranged at the top of the installation pipe (3), and the dustproof alarm assembly (9) comprises a top plate (901) and a threaded ring (902); the top of the mounting pipe (3) is connected with a top plate (901), a threaded ring (902) is mounted at the lower end of the top plate (901), the threaded ring (902) is matched with the internal threads (8), and the dustproof alarm assembly (9) comprises a dustproof diaphragm (903) and a second sealing ring (904); a dustproof diaphragm (903) is arranged in the middle of the top plate (901), a second sealing ring (904) is arranged at the bottom of the top plate (901) close to the edge, and the dustproof alarm assembly (9) comprises a fixed frame (905) and an alarm whistle (906); the top of the top plate (901) is connected with a fixed frame (905), and an alarm whistle (906) is arranged in the middle of the fixed frame (905).
2. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the first sealing ring (10) is arranged at the position, close to the bottom of the connecting plate (4), of the outer side of the mounting pipe (3), and the first sealing ring (10) is tightly attached to the inner wall of the pressure relief opening (2).
3. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the pressure release assembly (7) comprises a piston (701), a connecting rod (702), a spring (703), a connecting frame (704) and a cutting edge (705); the inside sliding connection of inner tube (5) has piston (701), and connecting rod (702) are installed to piston (701) upper end, and connecting rod (702) outside is located and is installed spring (703) in the position between piston (701) and inner tube (5) upper end, and connecting rod (702) top is provided with connecting frame (704), and cutting edge (705) are installed at connecting frame (704) top.
4. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the pressure release assembly (7) comprises a connecting ring (706) and a sealing ring (707); the lower end of the connecting frame (704) is connected with a connecting ring (706), a sealing ring (707) is arranged on the inner side of the connecting ring (706), and the sealing ring (707) is in sliding connection with the outer wall of the inner cylinder (5) close to the through groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563206.2U CN220985160U (en) | 2023-09-20 | 2023-09-20 | Cubical switchboard pressure release protective structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563206.2U CN220985160U (en) | 2023-09-20 | 2023-09-20 | Cubical switchboard pressure release protective structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220985160U true CN220985160U (en) | 2024-05-17 |
Family
ID=91062507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322563206.2U Active CN220985160U (en) | 2023-09-20 | 2023-09-20 | Cubical switchboard pressure release protective structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220985160U (en) |
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2023
- 2023-09-20 CN CN202322563206.2U patent/CN220985160U/en active Active
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