CN217311727U - Automatic fire extinguishing device - Google Patents

Abstract

The utility model belongs to the technical field of fire fighting, in particular to an automatic fire extinguishing device. The fire extinguishing device comprises an air bag and a closed container with a fire extinguishing matrix in it; the air bag is communicated with the closed container, and the closed container is provided with a film-coated discharge port communicated with the fire extinguishing matrix and an openable and closable activation hole, so The starting hole is opened through the thermal control assembly. The automatic fire extinguishing device can quickly and automatically extinguish the fire, and plays an important role in delaying the spread of the fire, and is especially suitable for the automatic fire extinguishing of a specific protection object.

Description

an automatic fire extinguishing device

technical field

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

Background technique

At present, fire extinguishers are generally manually extinguished. When a fire occurs, manual fire extinguishing is often unable to detect and take action in time, and it takes a certain amount of time for fire trucks or fire personnel to reach the fire site, resulting in delayed fire extinguishing. However, once some flammable and explosive items catch fire, the fire will spread rapidly, and important materials will cause heavy damage after they catch fire.

Utility model content

In order to solve the above problems, the present invention provides an automatic fire extinguishing device capable of quickly and automatically extinguishing fire and delaying the spread of fire. The specific technical scheme is as follows.

An automatic fire extinguishing device, comprising an air bag and a closed container provided with a fire extinguishing matrix; the air bag is communicated with the closed container, and the closed container is provided with a film-coated discharge port communicated with the fire extinguishing matrix and an openable and closable start hole , the startup hole is opened through the thermal control assembly. This scheme uses the thermal control component to control the sealing performance of the airtight container to change the pressure of the airtight container, so that there is a pressure difference between the airtight container and the air bag, and then the fire extinguishing medium is sprayed from the airtight container through the film-coated discharge port to achieve automatic fire extinguishing. the goal of.

Preferably, the thermal control assembly includes an installation sleeve, thermal expansion particles, a thermal expansion block, a telescopic shaft, a side connector and a moving block; the installation sleeve is fixedly arranged, and the thermal expansion particles, thermal expansion block, and telescopic shaft are located along the inside of the installation sleeve. They are arranged in sequence; the starting hole is sealed by a moving block, and the moving block is connected with the telescopic shaft through a side connecting piece. In this solution, the heat-expandable particles expand when heated to push the heat-expandable block, so that the telescopic shaft is pushed out along the mounting sleeve, so as to drive the side connecting piece to move the moving block and realize the opening of the starting hole. When the activation hole is not sealed, the pressure of the airtight container will be less than the pressure of the air bag, thus realizing the pressure difference.

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

Preferably, the moving block is fitted or fitted with the activation hole.

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

Preferably, the film-coated discharge port is arranged at the lower part of the airtight container, and the fire extinguishing medium is connected to the film-coated discharge port through a discharge channel.

Preferably, the airtight container is provided with a feeding port. When the fire extinguishing device is used for one fire extinguishing, the airtight container is supplemented with the fire extinguishing matrix through the feed port, so as to facilitate the recycling of the fire extinguishing device.

As one of the preferred solutions, the airbag adopts a self-expanding airbag, which does not require manual inflation.

As a second preferred solution, the airbag is provided with an inflation nozzle. When the fire extinguishing device is used for one fire extinguishing, the air bag is filled with air through the inflation nozzle, which is convenient for the recycling of the fire extinguishing device.

Preferably, the automatic fire extinguishing device further includes a protection device; the airbag is arranged inside the protection device, the airtight container is arranged on the side of the protection device, and the airbag communicates with the airtight container through an air guide; the protection device passes through The mounting rod is mounted on the mount. The automatic fire extinguishing device of this solution can protect inflammable and explosive items or important items. It only needs to set the object to be protected in the protection device. When a fire occurs in the environment, the automatic fire extinguishing device automatically extinguishes the fire, which can delay the fire. love, to mitigate losses.

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

The automatic fire extinguishing device can quickly and automatically extinguish the fire, and plays an important role in delaying the spread of the fire. It is especially suitable for fire control where inflammable and explosive items or valuables are stored in small places.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is a schematic structural diagram of the automatic fire extinguishing device of Embodiment 1. FIG.

FIG. 2 is a schematic structural diagram of the thermal control assembly in Example 1. FIG.

FIG. 3 is a schematic structural diagram of the automatic fire extinguishing device in Embodiment 2. FIG.

FIG. 4 is a schematic structural diagram of the automatic fire extinguishing device in Embodiment 3. FIG.

Drawing No.: 1. Airbag; 11. Airway; 12. Inflator; 2. Airtight container; 21. Feeding port; 22. Laminating outlet; 23. Starting hole; sleeve; 32, thermal expansion particles; 33, thermal expansion block; 34, telescopic shaft; 35, side connector; 36, moving block; 4, protection device;

Detailed ways

For ease of understanding, the present utility model will be described more comprehensively and in detail below with reference to the accompanying drawings and preferred embodiments of the specification, but the protection scope of the present utility model is not limited to the following specific embodiments.

Unless otherwise defined, all technical terms used hereinafter have the same meaning as commonly understood by those skilled in the art. The technical terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the protection scope of the present invention.

Example 1

As shown in FIG. 1 , this embodiment provides an automatic fire extinguishing device, which includes an air bag 1 , a closed container 2 with a fire extinguishing matrix inside, and a thermal control assembly 3 .

The airbag 1 is a self-expanding airbag, and communicates with the airtight container 2 through the airway 11 .

The lower part of the airtight container 2 is provided with a film-coated discharge port 22 , and the airtight container 2 is provided with a starter hole 23 that can be opened and closed. Wherein, the fire extinguishing medium is connected with the film outlet 22 through the outlet channel.

As shown in FIG. 2 , the thermal control assembly 3 includes an installation sleeve 31 , thermal expansion particles 32 , a thermal expansion block 33 , a telescopic shaft 34 , a side connecting piece 35 and a moving block 36 . The thermal expansion particles 32 , the thermal expansion block 33 and the telescopic shaft 34 are arranged in sequence along the inside of the installation sleeve 31 .

The starting hole 23 is sealed by the moving stopper 36 , and the moving stopper 36 is connected with the telescopic shaft 34 through the side connecting piece 35 .

As a specific embodiment, the moving block 36 is fitted or fitted with the activation hole 23 . In order to optimize the sealing performance of the two, a sealing ring or other sealing device may be provided on the starting hole 23 and/or the moving block 36 .

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

When a fire occurs and the ambient temperature rises, the thermal control assembly 3 will sense and act, and control the opening of the starting hole 23 by controlling the moving block 36. Specifically: the thermal expansion particles 32 expand after sensing the high temperature, and promote thermal expansion. The block 33 thus drives the telescopic shaft 34 to extend outward along the mounting sleeve 31 , and further drives the side connecting piece 35 connected to it, so that the moving block 36 moves in the direction away from the starting hole 23 .

As a specific embodiment, the installation sleeve 31 is fixedly arranged on the airtight container 2 , and the side connecting member 35 is arranged perpendicular to the axial direction of the installation sleeve 31 . In this embodiment, the moving direction of the moving stopper 36 is along the horizontal direction, and is disengaged from the starting hole 23 outward. Various changes are made to realize the movement of the moving block 36 relative to the starting hole 23 downward, upward or in other directions away from the starting hole 23, which all belong to the content protected by the present application.

When the activation hole 23 is opened, the pressure in the airtight container 2 is reduced, and a pressure difference is generated between the air bag 1 and the airtight container 2. The pressure difference forces the fire extinguishing medium to break through the film along the discharge channel and eject from the film-coated discharge port, thereby To achieve fire extinguishing.

Example 2

As shown in FIG. 3 , the difference between this embodiment and Embodiment 1 is that the airbag 1 of this embodiment is provided with an inflation nozzle 12 , and the upper part of the airtight container 2 is provided with a feeding port 21 .

After extinguishing the fire, the automatic fire extinguishing device replaces the heat-expandable particles 32 and the film on the film-coated discharge port 22, replenishes the airbag 1 through the inflation nozzle 12, and supplements the fire-extinguishing matrix through the feed port 21, which can be Recycle the automatic fire extinguishing device.

Example 3

As shown in FIG. 4 , the difference between this embodiment and Embodiment 1 is that the automatic fire extinguishing device further includes a protection device 4 , the airbag 1 is arranged inside the protection device 4 , and the airtight container 2 is arranged on the side of the protection device 4 to protect the The device 4 is mounted on the mounting base 6 by means of the mounting rod 5 .

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

The automatic fire extinguishing device of this embodiment is used in combination with the existing fire monitoring device, and is easy to carry.

Example 4

The difference between this embodiment and Embodiment 3 is that, in addition to the airbag 1 , the protection device 4 is also provided with objects to be protected, such as inflammable and explosive articles or valuables.

The automatic fire-extinguishing device of this embodiment is designed for a specific protection object, and can automatically take fire-extinguishing measures in time for a fire near the protection object, delay the spread of the fire, and reduce losses.

Obviously, 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. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection of the claims of the present utility model.

Claims (10)

1. an automatic fire extinguishing device, it is characterized in that, described fire extinguishing device comprises air bag and the airtight container that is provided with fire-extinguishing matrix; Described air bag is communicated with airtight container, and described airtight container is provided with the coating film communicated with fire-extinguishing substrate A discharge port and an openable and closable start hole, the start hole is opened by a thermal control assembly. 2 . The automatic fire extinguishing device according to claim 1 , wherein the thermal control assembly comprises an installation sleeve, thermal expansion particles, a thermal expansion block, a telescopic shaft, a side connector and a moving block; the installation sleeve is fixedly arranged, The heat-expandable particles, the heat-expandable block and the telescopic shaft are arranged in sequence along the inside of the installation sleeve; the starting hole is sealed by a moving block, and the moving block is connected to the telescopic shaft through a side connecting piece. 3 . The automatic fire extinguishing device according to claim 2 , wherein the installation sleeve is fixedly arranged on the airtight container, and the side connector is arranged perpendicular to the axial direction of the installation sleeve. 4 . 4 . The automatic fire extinguishing device according to claim 2 , wherein the moving block is fitted or fitted with the activation hole. 5 . 5 . The automatic fire extinguishing device according to claim 4 , wherein a sealing ring is provided on the starting hole and/or the moving block. 6 . 6 . The automatic fire extinguishing device according to claim 1 , wherein the film-coated discharge port is arranged at the lower part of the airtight container, and the fire extinguishing medium is connected to the film-coated discharge port through a discharge channel. 7 . 7. The automatic fire extinguishing device according to claim 2, wherein the airtight container is provided with a feeding port. 8 . The automatic fire extinguishing device according to claim 2 , wherein the airbag adopts a self-expanding airbag. 9 . 9 . The automatic fire extinguishing device according to claim 2 , wherein the airbag is provided with an inflation nozzle. 10 . 10. The automatic fire extinguishing device according to any one of claims 1 to 9, characterized in that, the automatic fire extinguishing device further comprises a protection device; the airbag is arranged inside the protection device, and the airtight container is arranged inside the protection device On the side part, the air bag is communicated with the airtight container through the air conduit; the protection device is mounted on the mounting seat through the mounting rod.

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