CN213192221U

CN213192221U - Automatic fire extinguishing device suitable for small-size switch board

Info

Publication number: CN213192221U
Application number: CN202021113507.5U
Authority: CN
Inventors: 张学武; 林吉强
Original assignee: Shandong Chen'an Fire Equipment Manufacturing Co ltd
Current assignee: Shandong Chen'an Fire Equipment Manufacturing Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-05-14
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an automatic fire extinguishing device suitable for small-size switch board, including fixed box, its characterized in that, the interior roof of fixed box is fixed with high-pressure gas cylinder and fire extinguishing agent bottle, high-pressure gas is stored in the high-pressure gas cylinder, the bottleneck of high-pressure gas cylinder is provided with the check separation blade, the bottleneck department of high-pressure gas cylinder is provided with piercing mechanism, fire extinguishing agent bottle through trachea one with piercing mechanism connects, fixed box center department still is equipped with the storage box in, the solid fire extinguishing agent is equipped with in the storage box, terminal surface center department articulates under the fixed box and is equipped with permanent magnet switch door, when the conflagration takes place, piercing mechanism pierces the check separation blade of high-pressure gas cylinder, makes high-pressure gas get into the fire extinguishing agent bottle, and the fire extinguishing agent is spouted by the fire extinguishing agent bottle, puts out a fire to the switch board, cooperates the solid fire extinguishing agent in the, the utility model has the advantages of high automation degree.

Description

Automatic fire extinguishing device suitable for small-size switch board

Technical Field

The utility model relates to a switch board technical field specifically is an automatic fire extinguishing device suitable for small-size switch board.

Background

Along with the development of science and technology and economy, more and more power equipment is used in daily life, for the guarantee power supply demand, power system is also more and more perfect, important distribution equipment among the power system is regarded as to the switch board, multiple design specification has, because cable and controlgear are more in quantity in the switch board, and play important regulation and control effect to subordinate's circuit, in case the switch board internal circuit short circuit causes the fire can cause great economic loss, consequently people attach importance to the fire prevention work of switch board more and more.

The fire prevention of current switch board, the mode of putting out a fire is comparatively single, only install the heat dissipation fan in the switch board, or place the fire extinguisher outside the switch board, when switch board inner circuit short circuit, when transshipping, very easily lead to the emergence of conflagration, when managers discover the condition of a fire handheld fire extinguisher again and put out a fire to it, flame has caused more damage to the power equipment of switch board inside, if managers do not discover the condition of a fire, then a switch board catches fire and can lead to catching fire of whole electricity distribution room even, thereby cause serious consequence, for this reason, we provide one kind and need not the automatic fire extinguishing device of artifical supervision's be applicable to small-size switch board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic fire extinguishing device suitable for small-size switch board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic fire extinguishing device suitable for a small-sized power distribution cabinet comprises a fixed box and is characterized in that the fixed box is fixedly arranged at the top of an inner cavity of the power distribution cabinet, a high-pressure gas cylinder and a fire extinguishing agent cylinder are fixed on the inner top wall of the fixed box, high-pressure gas is stored in the high-pressure gas cylinder, a grid block piece is arranged at the opening of the high-pressure gas cylinder, a puncturing mechanism is arranged at the opening of the high-pressure gas cylinder, the fire extinguishing agent cylinder is connected with the puncturing mechanism through a first gas pipe, the puncturing mechanism comprises a shell, a block piece, a puncturing rod, a fuse wire, a spring and a branch pipe, the puncturing rod comprises a solid rod and a hollow rod, the spring is sleeved on the solid rod, the solid rod penetrates through the lower end face of the shell in a sliding manner, one end, penetrating through the shell, of the solid rod is connected with the fuse wire, the other end of the fuse wire, the separation blade is fixedly arranged on the lower side of the branch pipe, a middle hole is formed in the separation blade, and a pressing sleeve matched with the middle hole of the separation blade is arranged at the junction of the solid rod and the hollow rod.

As a further aspect of the present invention: the first air pipe is provided with a pressure reducing valve, the mouth of the high-pressure air bottle is provided with an external thread, and the joint of the puncturing mechanism and the mouth of the high-pressure air bottle is provided with an internal thread matched with the external thread of the mouth of the high-pressure air bottle.

As a further aspect of the present invention: the top of hollow pole is sharp sword form, the side opening has been seted up on the hollow pole, just the diameter of hollow pole is less than the mesopore diameter.

As a further aspect of the present invention: the lower end face of the fixed box is provided with an annular air duct, the annular air duct is evenly provided with a plurality of nozzles, and the fire extinguishing agent bottle is connected with the annular air duct through a second air duct.

As a further aspect of the present invention: the center of the fixed box is also provided with a storage box, the storage box is internally provided with a solid fire extinguishing agent, and the center of the lower end face of the fixed box is hinged with a switch door.

As a further aspect of the present invention: the switch door is made of a permanent magnet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the cover is equipped with the spring on solid pole, and the solid pole lower extreme is linked there is the fuse, through fuse and spring tension balance, makes puncture the pole and be in balanced state, when the switch board conflagration breaing out, fuse back of the body high temperature fusing, under the reaction force of spring, makes puncture the pole and punctures check separation blade to press the cover to the well hole of separation blade is stifled, makes high-pressure gas of high-pressure gas cylinder pass through the branch pipe and gets into the fire extinguishing agent bottle, has the high advantage of degree of automation.

2. The utility model discloses a department is provided with at fixed box center and stores the box, stores the switch door that sets up the permanent magnet under the box, and when the temperature rose, the switch door lost magnetism and opened, made the solid fire extinguishing agent of storing in the box pour into the switch board, and the fire extinguishing agent that cooperation fire extinguishing agent bottle was joined in marriage out makes to put out a fire more effective.

Drawings

Fig. 1 is a schematic structural view of an automatic fire extinguishing apparatus suitable for a small-sized power distribution cabinet.

Fig. 2 is a schematic structural diagram of a puncturing mechanism in an automatic fire extinguishing apparatus suitable for a small-sized power distribution cabinet.

Fig. 3 is a bottom view of an automatic fire extinguishing apparatus suitable for a small-sized distribution cabinet.

Fig. 4 is a schematic structural view of a hollow rod in an automatic fire extinguishing apparatus suitable for a small-sized power distribution cabinet.

In the figure: 1-fixed box, 2-high pressure gas bottle, 3-fire extinguishing agent bottle, 4-grid baffle, 5-puncturing mechanism, 6-first gas pipe, 7-shell, 8-baffle, 9-puncturing rod, 10-fuse wire, 11-spring, 12-branch pipe, 13-hollow rod, 14-solid rod, 15-middle hole, 16-pressing sleeve, 17-pressure reducing valve, 18-side hole, 19-annular gas guide pipe, 20-nozzle, 21-second gas pipe, 22-storage box and 23-opening and closing door

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-4, an automatic fire extinguishing apparatus suitable for a small-sized power distribution cabinet comprises a fixing box 1, and is characterized in that the fixing box 1 is fixedly arranged at the top of an inner cavity of the power distribution cabinet, a high-pressure gas cylinder 2 and a fire extinguishing agent cylinder 3 are fixed on an inner top wall of the fixing box 1, high-pressure gas is stored in the high-pressure gas cylinder 2, a bottle opening of the high-pressure gas cylinder 2 is provided with a grid block piece 4, a bottle opening of the high-pressure gas cylinder 2 is provided with a puncturing mechanism 5, the puncturing mechanism 5 comprises a shell 7, a block piece 8, a puncturing rod 9, a fuse wire 10, a spring 11 and a branch pipe 12, the puncturing rod 9 comprises a solid rod 14 and a hollow rod 13, the spring 11 is sleeved on the solid rod 14, the solid rod 14 slidably penetrates through the lower end face of the shell 7, one end of the solid rod 14 penetrating through the shell 7 is connected with the fuse wire 10, and the, branch pipe 12 wear to establish with casing 7 one side, fire extinguishing agent bottle 3 through trachea one 6 with branch pipe 12 is connected, separation blade 8 is fixed to be located branch pipe 12 downside, mesopore 15 has been seted up to separation blade 8, solid pole 14 and hollow rod 13's juncture be equipped with mesopore 15 matched with of separation blade 8 presses cover 16, the utility model discloses a fuse 10 and the balanced with spring 11 pulling force make puncture pole 9 be in balanced state, when the switch board takes place the conflagration, fuse 10 is fused by high temperature, under spring 11's reaction force, makes puncture pole 9 puncture check baffle 4 to pressing cover 16 to mesopore 15 of separation blade 8 is stifled, makes high-pressure gas of high pressure gas cylinder 2 get into fire extinguishing agent bottle 3 through branch pipe 12, has the high advantage of degree of automation.

The pressure reducing valve 17 is arranged on the first air pipe 6, so that high-pressure gas of the high-pressure gas bottle 2 can be stably flushed into the fire extinguishing agent bottle 3, the fire extinguishing agent can be sprayed out more stably, an external thread is arranged on the opening of the high-pressure gas bottle 2, an internal thread matched with the external thread on the opening of the high-pressure gas bottle 2 is arranged at the joint of the puncturing mechanism 5 and the opening of the high-pressure gas bottle 2, and the high-pressure gas bottle 2 and the puncturing mechanism 5 are good in sealing performance through threaded connection.

The top of hollow rod 13 is the sharp knife form, does benefit to hollow rod 13 and impales grid separation blade 4, side opening 18 has been seted up on hollow rod 13, just hollow rod 13's diameter is less than mesopore 15 diameter, when hollow rod 13 impales separation blade 4, high-pressure gas passes through side opening 18, is entering into branch pipe 12.

The lower terminal surface of fixed box 1 is equipped with annular air duct 19, evenly be equipped with a plurality of nozzle 20 on the annular air duct 19, fire extinguishing agent bottle 3 with annular air duct 19 is connected through trachea two 21, and through setting up annular air duct 19, makes the fire extinguishing agent carry out more effective fire extinguishing.

Example 2

Fixed box 1 inner centre department still is equipped with stores box 22, store the solid fire extinguishing agent in the box 22, the articulated switch door 23 that is equipped with of terminal surface center department under fixed box 1, switch door 23 material is the permanent magnet, and when the temperature rose, switch door 23 lost magnetism and opened, made the solid fire extinguishing agent of storing in the box 22 pour into the switch board, the fire extinguishing agent that cooperation fire extinguishing agent bottle 3 allocated, made to put out a fire more effective.

The utility model discloses a theory of operation is: through

fuse wire

10 and 11 tension balance of spring, make puncture rod 9 be in balanced state, when the switch board conflagration breaks out, fuse wire 10 is by high temperature fusing, under the reaction force of spring 11, make puncture rod 9 puncture check baffle 4, and press cover 16 to block up mesopore 15 of baffle 8, make the high-pressure gas of high-pressure gas cylinder 2 get into fire extinguishing agent bottle 3 through branch pipe 12, rethread nozzle 20 blowout, put out a fire to the switch board and retrograde motion, when the temperature rose, switch door 23 lost magnetism and opened, make the solid fire extinguishing agent who stores in the box 22 pour into the switch board, cooperate the fire extinguishing agent that fire extinguishing agent bottle 3 allocated, make to put out a fire more effective.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The automatic fire extinguishing device suitable for the small power distribution cabinet comprises a fixing box (1) and is characterized in that the fixing box (1) is fixedly arranged at the top of an inner cavity of the power distribution cabinet, a high-pressure gas bottle (2) and a fire extinguishing agent bottle (3) are fixed on the inner top wall of the fixing box (1), high-pressure gas is stored in the high-pressure gas bottle (2), a lattice barrier (4) is arranged at the bottle opening of the high-pressure gas bottle (2), a puncture mechanism (5) is arranged at the bottle opening of the high-pressure gas bottle (2), the puncture mechanism (5) comprises a shell (7), a barrier (8), a puncture rod (9), a fuse wire (10), a spring (11) and a branch pipe (12), the puncture rod (9) comprises a solid rod (14) and a hollow rod (13), the spring (11) is sleeved on the solid rod (14), and the solid rod (14) penetrates through the lower end face of the shell (7), solid pole (14) pass the one end of casing (7) and connect fuse (10), the other end of fuse (10) with fixed box (1) is connected, branch pipe (12) wear to establish with casing (7) one side, fire extinguishing agent bottle (3) through trachea one (6) with branch pipe (12) are connected, separation blade (8) are fixed to be located branch pipe (12) downside, mesopore (15) have been seted up in separation blade (8), the juncture of solid pole (14) and hollow pole (13) be equipped with mesopore (15) matched with pressure cover (16) of separation blade (8).

2. The automatic fire extinguishing device suitable for the small power distribution cabinet according to claim 1, wherein a pressure reducing valve (17) is arranged on the first air pipe (6), an external thread is arranged at the opening of the high-pressure air bottle (2), and an internal thread matched with the external thread at the opening of the high-pressure air bottle (2) is arranged at the joint of the puncturing mechanism (5) and the opening of the high-pressure air bottle (2).

3. The automatic fire extinguishing device for the small power distribution cabinet according to claim 1, characterized in that the top of the hollow rod (13) is sharp-edged, the hollow rod (13) is provided with side holes (18), and the diameter of the hollow rod (13) is smaller than that of the central hole (15).

4. The automatic fire extinguishing device applicable to the small power distribution cabinet according to claim 1, wherein an annular air duct (19) is arranged on the lower end face of the fixing box (1), a plurality of nozzles (20) are uniformly arranged on the annular air duct (19), and the fire extinguishing agent bottle (3) is connected with the annular air duct (19) through a second air duct (21).

5. The automatic fire extinguishing device applicable to the small power distribution cabinet according to claim 1, wherein a storage box (22) is further arranged at the center inside the fixed box (1), a solid fire extinguishing agent is filled in the storage box (22), and an opening and closing door (23) is hinged at the center of the lower end face of the fixed box (1).

6. The automatic fire extinguishing device applicable to the small power distribution cabinet according to claim 5, characterized in that the switch door (23) is made of permanent magnet.