CN213401891U - Explosion-proof switch board that security performance is high - Google Patents
Explosion-proof switch board that security performance is high Download PDFInfo
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- CN213401891U CN213401891U CN202021475112.XU CN202021475112U CN213401891U CN 213401891 U CN213401891 U CN 213401891U CN 202021475112 U CN202021475112 U CN 202021475112U CN 213401891 U CN213401891 U CN 213401891U
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- power distribution
- distribution cabinet
- fire extinguishing
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Abstract
An explosion-proof power distribution cabinet with high safety performance comprises a power distribution cabinet and a fire extinguishing chamber, wherein the fire extinguishing chamber is arranged at the upper part of the power distribution cabinet, an explosion-proof fire extinguishing device is arranged in the fire extinguishing chamber and comprises a gravity block, a limiting plate, a closed barrel, a fixed bin and a communicating pipe, the upper part of the power distribution cabinet is provided with a limiting groove, the gravity block is in an inverted convex shape, the lower part of the gravity block is arranged in the limiting groove, the closed barrel is arranged in the limiting groove, the upper part of the closed barrel is in interference fit with the lower part of the gravity block, the upper part of the power distribution cabinet is provided with a through hole, the limiting plate penetrates through the upper part of the power distribution cabinet and is connected with the lower part of the gravity block, the fixed bin is arranged on the side wall of the fire extinguishing chamber, the side wall of the fixed, the upper portion of the power distribution cabinet is provided with an electric heating wire heater, and the inner wall of the upper portion of the fire extinguishing bin is provided with a switch.
Description
Technical Field
The utility model relates to a switch board specifically is an explosion-proof switch board that security performance is high.
Background
The power distribution cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of a power system and plays roles of on-off, control or protection and the like, and has a voltage grade of 3.6 kV-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like; high voltage switch manufacture is the important component part of power transmission and transformation equipment manufacture, occupies very important position in whole power industry, in case the switch board dangerous situation such as conflagration or explosion takes place, makes inside electronic equipment suffer destruction very easily, and when more serious, inside explosion that produces can rush to switch board cabinet body and cabinet door, consequently, need improve current switch board, makes it can fall to minimumly with the explosion hazard of switch board.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical scheme, the utility model provides a simple structure, explosion-proof effectual explosion-proof switch board that security performance is high is provided.
An explosion-proof power distribution cabinet with high safety performance comprises a power distribution cabinet and a fire extinguishing chamber, wherein the fire extinguishing chamber is arranged at the upper part of the power distribution cabinet, an explosion-proof fire extinguishing device is arranged in the fire extinguishing chamber and comprises a gravity block, a limiting plate, a closed barrel, a fixed bin and a communicating pipe, the upper part of the power distribution cabinet is provided with a limiting groove, the gravity block is in an inverted convex shape, the lower part of the gravity block is arranged in the limiting groove, the closed barrel is arranged in the limiting groove, the upper part of the closed barrel is in interference fit with the lower part of the gravity block, when the gravity block is subjected to upward movement by impact force, the limiting groove can enable the closed barrel to fall off, the upper part of the power distribution cabinet is provided with a through hole, the limiting plate penetrates through the upper part of the power distribution cabinet and is connected with the lower part of the gravity block, the, one end of the communicating pipe is connected to the temperature sensing glass end of the dry powder fire extinguisher, the other end of the communicating pipe is connected to the lower part of the gravity block through an elastic hose, an electric heating wire heater is arranged at the upper part of the power distribution cabinet, the temperature sensing glass can be broken after the electric heating wire heater is started, and a switch is arranged on the inner wall of the upper part of the fire extinguishing bin;
optionally, the power distribution cabinet is connected with the cabinet door through an explosion-proof hinge;
optionally, the fixed bin, the dry powder fire extinguisher, the communicating pipe, the elastic hose, the through hole, the electric heating wire heater and the limiting plate are provided with two groups by taking the central axis of the power distribution cabinet as a symmetry axis;
optionally, heat dissipation holes are formed in the cabinet door, and the heat dissipation holes are beneficial to heat dissipation of the power distribution cabinet;
optionally, the switch and the gravity block are coaxially arranged, the switch is electrically connected with the heating wire heater, and the gravity block moves upwards to press the switch after being impacted by explosion.
The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides an explosion-proof switch board that security performance is high, during the explosion, gravity sprue trigger switch, destroy temperature sensing glass, make the dry powder fire extinguisher start, put out a fire, prevent secondary explosion, explosion-proof extinguishing device's structure, prevent because the accident triggers the dry powder fire extinguisher except that the explosion, cause irrecoverable loss to the inside setting of switch board, the high temperature damage flexible hose that produces when sealing the bucket and preventing the explosion, the switch board, storehouse and cabinet door of putting out a fire all adopt the fire-resistant explosion-proof material that fiber cement board and perforation galvanized steel sheet complex formed to make, fire-resistant explosion-proof material has fine fire resistance, antiknock and shock resistance, the impact force that prevents the explosion production flies the switch board, storehouse and cabinet door of putting out a fire, injury other people, the utility model discloses simple structure, convenient to use can fall to minimum with the explosion hazard of switch board.
Drawings
Fig. 1 is an overall structure diagram of an explosion-proof power distribution cabinet with high safety performance;
fig. 2 is the utility model relates to an explosion-proof switch board's that security performance is high main view structure graph.
Wherein, 1, switch board, 2, storehouse of putting out a fire, 3, explosion-proof extinguishing device, 4, gravity sprue, 5, limiting plate, 6, through-hole, 7, closed bucket, 8, fixed storehouse, 9, communicating pipe, 10, elastic hose, 11, switch, 13, dry powder extinguisher, 14, heating wire heater, 15, spacing groove, 16, cabinet door, 17, explosion-proof hinge, 18, louvre.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figures 1-2, an explosion-proof power distribution cabinet with high safety performance comprises a power distribution cabinet 1 and a fire extinguishing chamber 2, wherein the fire extinguishing chamber 2 is arranged at the upper part of the power distribution cabinet 1, an explosion-proof fire extinguishing device 3 is arranged in the fire extinguishing chamber 2, the explosion-proof fire extinguishing device 3 comprises a gravity block 4, a limiting plate 5, a closed barrel 7, a fixed bin 8 and a communicating pipe 9, the upper part of the power distribution cabinet 1 is provided with a limiting groove 15, the gravity block 4 is in an inverted convex shape, the lower part of the gravity block 4 is arranged in the limiting groove 15, the closed barrel 7 is arranged in the limiting groove 15, the upper part of the closed barrel 7 is in interference fit with the lower part of the gravity block 4, when the gravity block 4 moves upwards under impact force, the limiting groove 15 can enable the closed barrel 7 to fall off, the upper part of the power distribution cabinet 1 is provided with a through hole 6, the limiting plate 5 penetrates through the upper part of, the fixed bin 8 is arranged on the side wall of the fire extinguishing bin 2, the side wall of the fixed bin 8 is provided with a dry powder fire extinguisher 13, one end of a communicating pipe 9 is connected to the temperature sensing glass end of the dry powder fire extinguisher 13, the other end of the communicating pipe 9 is connected to the lower part of the gravity block 4 through an elastic hose 10, the upper part of the power distribution cabinet 1 is provided with an electric heating wire heater 14, the temperature sensing glass can be broken after the electric heating wire heater 14 is started, and the inner wall of the upper part of the fire extinguishing; the power distribution cabinet 1 is connected with a cabinet door 16 through an explosion-proof hinge 17; the fixed bin 8, the dry powder fire extinguisher 13, the communicating pipe 9, the elastic hose 10, the through hole 6, the electric heating wire heater 14 and the limiting plate 5 are provided with two groups by taking the central axis of the power distribution cabinet 1 as a symmetrical axis; the cabinet door 16 is provided with heat dissipation holes 18, and the heat dissipation holes 18 are beneficial to heat dissipation of the power distribution cabinet 1; the switch 11 and the gravity block 4 are coaxially arranged, the switch 11 is electrically connected with the electric heating wire heater 14, and the gravity block 4 moves upwards to press the switch 11 after being impacted by explosion.
When the power distribution cabinet is used in detail, once the power distribution cabinet explodes, impact force generated by explosion is counteracted by a part of the power distribution cabinet 1, the fire extinguishing chamber 2 and the cabinet door 16 which are made of a fireproof and explosion-proof material formed by compounding a fiber cement plate and a perforated galvanized steel plate, the fireproof and explosion-proof material has flame retardance, explosion resistance and impact resistance, so that the fireproof and explosion-proof material cannot be blown off due to the impact force, the impact force enables the gravity block 4 to move upwards through the through hole 6, the gravity block 4 drives the limiting plate 5 to move upwards, the gravity block 4 stops moving upwards when the limiting plate 5 contacts the inner wall of the upper part of the power distribution cabinet 1, the gravity block 4 just presses the switch at the moment, when the gravity block 4 moves upwards, the sealing barrel 7 is driven to move upwards, when the sealing barrel 7 contacts the upper part of the limiting groove 15, the clamping main body of the sealing barrel is separated off by the, the dry powder extinguisher 13 sprays dry powder into the power distribution cabinet 1 through the elastic hose 10 to extinguish fire and prevent secondary explosion.
Claims (5)
1. The utility model provides an explosion-proof switch board that security performance is high, includes switch board (1) and fire extinguishing chamber (2), switch board (1) upper portion, its characterized in that are located in fire extinguishing chamber (2): the fire extinguishing device is characterized in that an explosion-proof fire extinguishing device (3) is arranged in the fire extinguishing chamber (2), the explosion-proof fire extinguishing device (3) comprises a gravity block (4), a limiting plate (5), a closed barrel (7), a fixed chamber (8) and a communicating pipe (9), the upper portion of the power distribution cabinet (1) is provided with a limiting groove (15), the gravity block (4) is in an inverted convex shape, the lower portion of the gravity block (4) is arranged in the limiting groove (15), the closed barrel (7) is arranged in the limiting groove (15), the upper portion of the closed barrel (7) is in interference fit with the lower portion of the gravity block (4), a through hole (6) is formed in the upper portion of the power distribution cabinet (1), the limiting plate (5) penetrates through the upper portion of the power distribution cabinet (1) and is connected with the lower portion of the gravity block (4), the fixed chamber (8) is arranged on the side wall of the fire extinguishing, one end of the communicating pipe (9) is connected to the temperature sensing glass end of the dry powder fire extinguisher (13), the other end of the communicating pipe (9) is connected to the lower part of the gravity plugging block (4) through an elastic hose (10), the upper part of the power distribution cabinet (1) is provided with an electric heating wire heater (14), and the inner wall of the upper part of the fire extinguishing chamber (2) is provided with a switch (11).
2. The explosion-proof switch board that security performance is high of claim 1, its characterized in that: the power distribution cabinet (1) is connected with a cabinet door (16) through an explosion-proof hinge (17).
3. The explosion-proof switch board that security performance is high of claim 1, its characterized in that: the dry powder fire extinguisher is characterized in that the fixed bin (8), the dry powder fire extinguisher (13), the communicating pipe (9), the elastic hose (10), the through hole (6), the electric heating wire heater (14) and the limiting plate (5) are provided with two groups by taking the central axis of the power distribution cabinet (1) as a symmetry axis.
4. The explosion-proof switch board that security performance is high of claim 2, characterized in that: the cabinet door (16) is provided with heat dissipation holes (18).
5. The explosion-proof switch board that security performance is high of claim 1, its characterized in that: the switch (11) and the gravity block (4) are coaxially arranged, and the switch (11) is electrically connected with the electric heating wire heater (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475112.XU CN213401891U (en) | 2020-07-23 | 2020-07-23 | Explosion-proof switch board that security performance is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021475112.XU CN213401891U (en) | 2020-07-23 | 2020-07-23 | Explosion-proof switch board that security performance is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401891U true CN213401891U (en) | 2021-06-08 |
Family
ID=76201655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021475112.XU Active CN213401891U (en) | 2020-07-23 | 2020-07-23 | Explosion-proof switch board that security performance is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213401891U (en) |
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2020
- 2020-07-23 CN CN202021475112.XU patent/CN213401891U/en active Active
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