CN217311727U

CN217311727U - Automatic fire extinguishing device

Info

Publication number: CN217311727U
Application number: CN202220923145.9U
Authority: CN
Inventors: 许军; 龚月
Original assignee: Anhui Guangzhi Technology Co Ltd
Current assignee: Anhui Guangzhi Technology Co Ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-30
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of the fire control, in particular to automatic fire extinguishing device. The fire extinguishing device comprises an air bag and a closed container in which a fire extinguishing matrix is arranged; the air bag is communicated with a closed container, a film covering discharge hole communicated with a fire extinguishing matrix and a openable starting hole are formed in the closed container, and the starting hole is opened through a thermal control assembly. The automatic fire extinguishing device can quickly and automatically extinguish fire, plays an important role in delaying the fire spreading, and is particularly suitable for automatic fire extinguishing of specific protected objects.

Description

Automatic fire extinguishing device

Technical Field

The technology belongs to the technical field of fire fighting, and particularly relates to an automatic fire extinguishing device.

Background

The conventional fire extinguisher is generally used for manually extinguishing fire, when a fire disaster occurs, manual fire extinguishment often cannot be found and action is taken in time, and a fire truck or fire fighters need a certain time to arrive at a fire place, so that the fire extinguishment is not in time. Some flammable and explosive articles can cause fire to spread rapidly once being ignited, and important materials can cause serious damage after being ignited.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an automatic fire extinguisher which can quickly and automatically extinguish fire and delay the fire spreading. The specific technical scheme is as follows.

An automatic fire extinguishing device comprises an air bag and a closed container with fire extinguishing matrix arranged therein; the air bag is communicated with the closed container, a film covering discharge port communicated with the fire extinguishing matrix and an openable and closable starting hole are formed in the closed container, and the starting hole is opened through the thermal control assembly. The scheme utilizes the thermal control assembly to control the sealing performance of the closed container so as to change the pressure of the closed container, so that pressure difference occurs between the closed container and the air bag, and then the fire extinguishing matrix is sprayed out of the closed container through the film covering discharge hole, thereby achieving the purpose of automatic fire extinguishing.

Preferably, the thermal control assembly comprises a mounting sleeve, thermal expansion particles, a thermal expansion block, a telescopic shaft, a side connecting piece and a movable stop block; the mounting sleeve is fixedly arranged, and the thermal expansion particles, the thermal expansion block and the telescopic shaft are sequentially arranged in the mounting sleeve; the starting hole is sealed by a movable stop block, and the movable stop block is connected with the telescopic shaft through a side connecting piece. In this scheme, thermal expansion granule meets thermal expansion in order promoting the thermal expansion piece for the telescopic shaft is outwards ejecting along the installation cover, thereby makes the motion of removal dog through driving the side connecting piece, realizes opening of starting the hole. When the actuation aperture is not sealed, the pressure in the closed container will be less than the bladder pressure, thus achieving a pressure differential.

Preferably, the mounting sleeve is fixedly arranged on the closed container, and the side connecting piece is arranged perpendicular to the axial direction of the mounting sleeve.

Preferably, the movable stopper is engaged with or attached to the actuating hole.

Preferably, in order to further ensure the sealing performance of the stop block to the starting hole, a sealing ring is arranged on the starting hole and/or the movable stop block.

Preferably, the film discharge port is arranged at the lower part of the closed container, and the fire extinguishing matrix is connected with the film discharge port through a discharge channel.

Preferably, the closed container is provided with a feed inlet. After the fire extinguishing device is used for primary fire extinguishing, the closed container is supplemented with fire extinguishing matrix through the feeding hole, so that the fire extinguishing device can be recycled conveniently.

As one of the preferable schemes, the air bag adopts a self-expanding air bag, and manual inflation is not needed.

As a second preferred scheme, the air bag is provided with an inflating nozzle. After the fire extinguishing device is used for primary fire extinguishing, the air bag is supplied with air through the inflating nozzle, so that the fire extinguishing device can be recycled conveniently.

Preferably, the automatic fire extinguishing apparatus further comprises a protection device; the air bag is arranged in the protection device, the closed container is arranged on the side part of the protection device, and the air bag is communicated with the closed container through an air duct; the protection device is installed on the installation seat through the installation rod. The automatic fire extinguishing device of the scheme can protect inflammable and explosive articles or important articles, only needs to be arranged in a protection device for an object to be protected, and can delay the fire and reduce the loss when the fire occurs in the environment.

Compared with the prior art, the technical scheme of the utility model following beneficial effect has:

the automatic fire extinguishing device can quickly and automatically extinguish fire and plays an important role in delaying the fire spreading. The fire control system is particularly suitable for controlling fire in small places where flammable and explosive materials or valuables are stored.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of an automatic fire extinguishing apparatus according to embodiment 1.

Fig. 2 is a schematic structural view of a thermal control module according to embodiment 1.

Fig. 3 is a schematic structural view of an automatic fire extinguishing apparatus according to embodiment 2.

Fig. 4 is a schematic structural view of an automatic fire extinguishing apparatus according to embodiment 3.

The figure numbers are as follows: 1. an air bag; 11. an air duct; 12. an air charging nozzle; 2. a closed container; 21. a feed inlet; 22. coating film discharge port; 23. a starter hole; 3. a thermal control assembly; 31. installing a sleeve; 32. thermally expanding particles; 33. a thermal expansion block; 34. a telescopic shaft; 35. a side connection; 36 moving the stopper; 4. a protection device; 5. mounting a rod; 6. and (7) mounting a seat.

Detailed Description

For the purpose of facilitating understanding, the present invention will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the following specific embodiments.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment provides an automatic fire extinguishing apparatus, which includes an airbag 1, a closed container 2 with a fire extinguishing medium therein, and a thermal control assembly 3.

The air bag 1 adopts a self-expanding air bag and is communicated with the closed container 2 through an air duct 11.

The sealed container 2 is provided with a coating film discharge port 22 at the lower part thereof, and the sealed container 2 is provided with an openable and closable actuating hole 23. Wherein the fire extinguishing matrix is connected with the film discharge port 22 through a discharge channel.

As shown in fig. 2, the thermal control assembly 3 includes a mounting sleeve 31, thermal expansion particles 32, a thermal expansion block 33, a telescopic shaft 34, a side connection member 35, and a moving stopper 36. The thermal expansion particles 32, the thermal expansion block 33, and the telescopic shaft 34 are arranged in this order along the inside of the mounting sleeve 31.

The actuation opening 23 is sealed by a movable stop 36, which movable stop 36 is connected to the telescopic shaft 34 by a side connection 35.

In one embodiment, the movable stopper 36 is engaged or attached to the actuation hole 23. In order to optimize the tightness of both, sealing rings or other sealing means can be provided on the actuation hole 23 and/or on the movement stop 36.

The working principle of the automatic fire extinguishing device of the embodiment is as follows.

When a fire occurs and the ambient temperature rises, the thermal control assembly 3 senses and acts, and controls the starting hole 23 to open by controlling the movable stopper 36, specifically: the thermal expansion particles 32 expand after sensing a high temperature, and push the thermal expansion block 33 to drive the telescopic shaft 34 to extend outwards along the mounting sleeve 31, so as to drive the side connecting piece 35 connected with the telescopic shaft, so that the movable stopper 36 moves in a direction away from the starting hole 23.

As a specific embodiment, the mounting sleeve 31 is fixedly disposed on the closed container 2, and the side connecting piece 35 is disposed perpendicular to the axial direction of the mounting sleeve 31. In the embodiment, the moving direction of the moving block 36 is along the horizontal direction, and the moving block is separated from the actuating hole 23, it can be understood that, a person skilled in the art can make different changes to the relative positions of the telescopic shaft 34, the side connecting piece 35 and the moving block 36, and it is within the protection of the present application to realize the movement of the moving block 36 relative to the actuating hole 23 in the downward direction, the upward direction or other directions away from the actuating hole 23.

After the starting hole 23 is opened, the pressure in the closed container 2 is reduced, pressure difference is generated between the air bag 1 and the closed container 2, and the pressure difference forces the fire extinguishing matrix to break through the film along the discharge channel and be sprayed out from the film covering discharge hole, so that fire extinguishing is realized.

Example 2

As shown in fig. 3, the present embodiment is different from embodiment 1 in that an inflation nozzle 12 is provided on an airbag 1 of the present embodiment, and a feed opening 21 is provided at an upper portion of a closed vessel 2.

After the automatic fire extinguishing device extinguishes fire, the thermal expansion particles 32 and the film coated on the film coating discharge port 22 are replaced, the air is supplied to the air bag 1 through the inflating nozzle 12, the fire extinguishing matrix is supplemented through the feed port 21, and the automatic fire extinguishing device can be recycled.

Example 3

As shown in fig. 4, the present embodiment is different from embodiment 1 in that the automatic fire extinguishing apparatus further includes a protection apparatus 4, the airbag 1 is provided inside the protection apparatus 4, the hermetic container 2 is provided at a side portion of the protection apparatus 4, and the protection apparatus 4 is mounted on a mounting seat 6 through a mounting rod 5.

In addition to the airbag 1, a fire monitoring device is also provided in the protection device 4.

The automatic fire extinguishing device of this embodiment combines current fire monitoring device to use, easily removes.

Example 4

This embodiment is different from embodiment 3 in that an object to be protected, such as a combustible and explosive article or a valuable article, is provided in the protection device 4 in addition to the airbag 1.

The automatic fire extinguishing device of the embodiment is designed for specific protected objects, can automatically take fire extinguishing measures in time for the fire near the protected objects, delays the spread of the fire and reduces the loss.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection of the claims of the present invention.

Claims

1. An automatic fire extinguishing device is characterized in that the fire extinguishing device comprises an air bag and a closed container in which a fire extinguishing matrix is arranged; the air bag is communicated with a closed container, a film covering discharge hole communicated with a fire extinguishing matrix and a openable starting hole are formed in the closed container, and the starting hole is opened through a thermal control assembly.

2. The automatic fire extinguishing apparatus according to claim 1, wherein the thermal control assembly includes a mounting sleeve, thermal expansion particles, a thermal expansion block, a telescopic shaft, side connecting members, and a moving stopper; the mounting sleeve is fixedly arranged, and the thermal expansion particles, the thermal expansion block and the telescopic shaft are sequentially arranged in the mounting sleeve; the starting hole is sealed by a movable stop block, and the movable stop block is connected with the telescopic shaft through a side connecting piece.

3. The automatic fire extinguishing apparatus according to claim 2, wherein the mounting sleeve is fixedly provided on the hermetic container, and the side connecting member is provided perpendicularly to an axial direction of the mounting sleeve.

4. The automatic fire extinguishing apparatus according to claim 2, wherein the movable stopper is fitted or attached to the actuating hole.

5. Automatic fire extinguishing apparatus according to claim 4, characterised in that the actuating hole and/or the moving stop are provided with sealing rings.

6. The automatic fire extinguishing apparatus according to claim 1, wherein the film discharge port is provided at a lower portion of the hermetic container, and the fire extinguishing medium is connected to the film discharge port through a discharge passage.

7. An automatic fire extinguishing apparatus according to claim 2, wherein the closed vessel is provided with a feed opening.

8. The automatic fire extinguishing apparatus according to claim 2, wherein the airbag is a self-expanding airbag.

9. Automatic fire extinguishing apparatus according to claim 2, characterised in that the gas bag is provided with an inflation nozzle.

10. The automatic fire extinguishing apparatus according to any one of claims 1 to 9, characterized in that the automatic fire extinguishing apparatus further comprises a protection device; the air bag is arranged in the protection device, the closed container is arranged on the side part of the protection device, and the air bag is communicated with the closed container through an air duct; the protection device is installed on the installation seat through the installation rod.