阅读说明：本技术 灭火装置 (Fire extinguishing device ) 是由 赵恒� 王祺 张俊峰 李先军 于 2020-05-29 设计创作，主要内容包括：本发明涉及一种灭火装置。灭火装置包括灭火容器、喷发组件及液体冷却剂,气溶胶灭火剂及液体冷却剂均填装于容纳腔内,且气溶胶灭火剂与液体冷却剂直接接触,液体冷却剂与气溶胶灭火剂互不发生化学反应。本发明提供的灭火装置,引燃气溶胶灭火剂后,气溶胶灭火剂产生高温灭火物质,这些高温灭火物质具有一定的喷发初速度,而沿喷发路径向喷口喷射,而在向喷口喷射过程中,液体冷却剂无需经导气通道而直接与气溶胶灭火剂接触以及时吸收灭火物质的热量,对应的高温灭火物质释放热量降温,以降低了从喷口喷出的灭火物质的温度,并且液体冷却剂对灭火物质的阻力小,在不影响灭火物质通过速度的同时,也可随灭火物质一同从喷口喷出参与灭火。(The invention relates to a fire extinguishing device. The fire extinguishing device comprises a fire extinguishing container, a spraying assembly and a liquid coolant, wherein the aerosol fire extinguishing agent and the liquid coolant are filled in the accommodating cavity, the aerosol fire extinguishing agent is in direct contact with the liquid coolant, and the liquid coolant and the aerosol fire extinguishing agent do not chemically react with each other. According to the fire extinguishing device provided by the invention, after the aerosol fire extinguishing agent is ignited, the aerosol fire extinguishing agent generates high-temperature fire extinguishing substances which have a certain initial spraying speed and are sprayed to the nozzles along the spraying path, and in the spraying process to the nozzles, the liquid coolant is not required to pass through the air guide channel and is directly contacted with the aerosol fire extinguishing agent so as to absorb the heat of the fire extinguishing substances in time, the corresponding high-temperature fire extinguishing substances release the heat and cool so as to reduce the temperature of the fire extinguishing substances sprayed from the nozzles, and the liquid coolant has small resistance to the fire extinguishing substances, so that the liquid coolant can be sprayed out from the nozzles together with the fire extinguishing substances to extinguish fire while not influencing the passing speed of the fire extinguishing substances.)

1. A fire suppression apparatus, comprising:

the fire extinguishing container is provided with an accommodating cavity, and one end of the fire extinguishing container is provided with a nozzle communicated with the accommodating cavity;

a spray assembly including an ignition element and an aerosol fire extinguishing agent, the aerosol fire extinguishing agent being filled in the containing cavity, the ignition element being configured to ignite the aerosol fire extinguishing agent to produce a fire extinguishing substance such that the fire extinguishing substance is ejected from the nozzle orifice along a spray path; and

a liquid coolant filled in the receiving cavity, the liquid coolant being located on the burst path and in direct contact with the aerosol fire suppressant;

wherein the liquid coolant and the aerosol fire extinguishing agent do not chemically react with each other.

2. The fire suppression apparatus of claim 1, wherein the liquid coolant is configured to absorb heat of the fire suppressing substance to transition from a liquid state to a gaseous state upon vaporization.

3. The fire suppression apparatus of claim 2, wherein the liquid coolant comprises perfluorohexanone.

4. The fire suppression apparatus of claim 1, wherein said aerosol fire suppressant is located at an end of said containment chamber remote from said spout.

5. The fire extinguishing apparatus of claim 4, wherein the fire extinguishing container has a bottom wall and a side wall circumferentially disposed along and connected to the bottom wall, the bottom wall and the side wall enclosing the receiving cavity;

the diapire reaches the lateral wall is injectd the location space, the location space with the outside laminating of aerosol fire extinguishing agent is in order to fix a position the aerosol fire extinguishing agent.

6. The fire extinguishing apparatus according to claim 1, further comprising a positioning member located in the accommodating chamber, the positioning member having an accommodating chamber and a communication hole, the accommodating chamber communicating with the accommodating chamber through the communication hole;

the aerosol fire extinguishing agent is filled in the containing cavity and attached to the inner wall of the containing cavity so as to be positioned in the containing cavity.

7. The fire extinguishing apparatus of claim 6, wherein the positioning member is an elastic positioning member, and an outer wall of the elastic positioning member abuts against an inner wall of the accommodating cavity so that the elastic positioning member is positioned in the accommodating cavity.

8. The fire extinguishing apparatus of claim 1, wherein the aerosol fire extinguishing agent is in the form of one or any combination of powder, granules, tablets, or blocks.

9. The fire extinguishing apparatus according to claim 1, wherein a pressure relief member is provided at the nozzle opening for communicating the accommodating chamber with an outside of the accommodating chamber through the nozzle opening when the accommodating chamber reaches a preset pressure value.

10. The fire suppression apparatus of claim 9, further comprising a pipe network, one end of said pipe network being connected to said nozzle; or

The fire extinguishing device also comprises a spraying pipe, one end of the spraying pipe is connected with the nozzle, and the other end of the spraying pipe is communicated with a fire extinguishing area.

Technical Field

The invention relates to the technical field of fire fighting, in particular to a fire extinguishing device.

Background

The aerosol fire extinguishing agent is a kind of fire extinguishing agent developed recently in the field of fire extinguishing, and it burns the fuel in the fire extinguishing agent by flame to form fire extinguishing substance, so as to attain the goal of extinguishing fire.

Generally, the temperature of the sprayed aerosol fire extinguishing agent is very high, and a large amount of space is required to be provided for an air guide channel and heat absorption and temperature reduction substances are required to be placed in the design of the traditional fire extinguishing device, so that the passing speed of the fire extinguishing substances is limited in the process that the aerosol fire extinguishing agent is ignited to form the fire extinguishing substances to be sprayed to the nozzle, and the fire extinguishing efficiency of the aerosol fire extinguishing agent is reduced.

Disclosure of Invention

Therefore, the fire extinguishing device with high fire extinguishing efficiency is needed to solve the problem that the passing speed of the fire extinguishing substances is limited in the process that the aerosol fire extinguishing agents are ignited to form the fire extinguishing substances to be sprayed to the nozzles in the traditional fire extinguishing device, so that the fire extinguishing efficiency of the aerosol fire extinguishing agents is reduced.

In one aspect of the present invention, there is provided a fire extinguishing apparatus comprising:

the fire extinguishing container is provided with an accommodating cavity, and one end of the fire extinguishing container is provided with a nozzle communicated with the accommodating cavity;

a spray assembly including an ignition element and an aerosol fire extinguishing agent, the aerosol fire extinguishing agent being filled in the containing cavity, the ignition element being configured to ignite the aerosol fire extinguishing agent to produce a fire extinguishing substance such that the fire extinguishing substance is ejected from the nozzle orifice along a spray path; and

a liquid coolant, filled in the receiving cavity, located on the burst path and in direct contact with the aerosol fire suppressant;

wherein the liquid coolant and the aerosol fire extinguishing agent do not chemically react with each other.

In one embodiment, the liquid coolant is configured to absorb heat of the fire suppressing substance to be vaporized from a liquid state and converted into a gas state.

In one embodiment, the liquid coolant comprises perfluorohexanone.

In one embodiment, the aerosol fire extinguishing agent is located at one end of the containing cavity far away from the nozzle.

In one embodiment, the fire extinguishing container is provided with a bottom wall and a side wall which is arranged along the circumference of the bottom wall and connected with the bottom wall, and the bottom wall and the side wall are arranged in an enclosing manner to form the accommodating cavity;

the diapire reaches the lateral wall is injectd the location space, the location space with the outside laminating of aerosol fire extinguishing agent is in order to fix a position the aerosol fire extinguishing agent.

In one embodiment, the fire extinguishing apparatus further comprises a positioning member, the positioning member is located in the accommodating cavity, the positioning member is provided with an accommodating cavity and a communication hole, and the accommodating cavity is communicated with the accommodating cavity through the communication hole;

the aerosol fire extinguishing agent is filled in the containing cavity and attached to the inner wall of the containing cavity so as to be positioned in the containing cavity.

In one embodiment, the positioning element is an elastic positioning element, and an outer wall of the elastic positioning element abuts against an inner wall of the accommodating cavity, so that the elastic positioning element is positioned in the accommodating cavity.

In one embodiment, the aerosol fire extinguishing agent is in the form of powder, granule, tablet or block or any combination thereof.

In one embodiment, the nozzle is provided with a pressure relief piece, and the pressure relief piece is used for enabling the accommodating cavity to be communicated with the outside of the accommodating cavity through the nozzle when the accommodating cavity reaches a preset pressure value.

In one embodiment, the fire extinguishing device further comprises a pipe network, and one end of the pipe network is connected with the nozzle; or

The fire extinguishing device also comprises a spraying pipe, one end of the spraying pipe is connected with the nozzle, and the other end of the spraying pipe is communicated with a fire extinguishing area.

The fire extinguishing device has the advantages that when the ignition piece is used for igniting the aerosol fire extinguishing agent, the aerosol fire extinguishing agent generates high-temperature fire extinguishing substances, the high-temperature fire extinguishing substances have certain initial spraying speed and are sprayed to the nozzle along the spraying path, in the spraying process to the nozzle, the liquid cooling agent is not required to be directly contacted with the aerosol fire extinguishing agent through the air guide channel so as to absorb the heat of the fire extinguishing substances in time, the corresponding high-temperature fire extinguishing substances release the heat for cooling, the temperature of the fire extinguishing substances sprayed out from the nozzle is reduced, the resistance of the liquid cooling agent to the fire extinguishing substances is small, and the liquid cooling agent can be sprayed out from the nozzle together with the fire extinguishing substances to extinguish fire while the passing speed of the fire extinguishing substances is not. The fire extinguishing device provided by the invention has the advantages that the temperature of fire extinguishing substances is reduced, and the spraying speed is increased, so that the fire extinguishing efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a fire suppression apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a fire extinguishing apparatus according to another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a fire extinguishing apparatus according to still another embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a fire extinguishing apparatus according to still another embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Furthermore, the drawings are not 1: 1, and the relative dimensions of the various elements in the figures are drawn for illustration only and not necessarily to true scale.

Referring to fig. 1, fig. 1 is a schematic cross-sectional view illustrating a fire extinguishing apparatus according to an embodiment of the present invention. For the purpose of illustration, the drawings show only the structures associated with embodiments of the invention.

Referring to the drawings, an embodiment of the present invention provides a fire extinguishing apparatus 100 including a fire extinguishing container 10, a fire spraying module 20, and a liquid coolant 30.

The fire extinguishing container 10 is provided with a containing cavity 11, one end of the fire extinguishing container is provided with a nozzle opening 12 communicated with the containing cavity 11, the spraying assembly 20 comprises an ignition piece 21 and an aerosol fire extinguishing agent 22, the aerosol fire extinguishing agent 22 is filled in the containing cavity 11, and the ignition piece 21 is used for igniting the aerosol fire extinguishing agent 22 to generate fire extinguishing substances, so that the fire extinguishing substances are sprayed out of the nozzle opening 12 along a spraying path.

The liquid coolant 30 is filled in the containing cavity 11, and the liquid coolant 30 is located on the spraying path and is in direct contact with the aerosol fire extinguishing agent 22.

Wherein the liquid coolant 30 and the aerosol fire suppressant 22 do not chemically react with each other.

It should be understood that since the liquid coolant 30 and the aerosol fire suppressant 22 do not chemically react with each other, direct contact between the two does not affect the properties of the aerosol fire suppressant 22 and the liquid coolant 30 itself, i.e., the aerosol fire suppressant 22 is normally ignited to produce a high temperature fire suppressant material to extinguish the fire, while the liquid coolant 30 achieves its cooling of the high temperature fire suppressant material.

Thus, when the ignition member 21 is used to ignite the aerosol fire extinguishing agent 22, the aerosol fire extinguishing agent 22 generates high temperature fire extinguishing substances which have a certain initial velocity and are sprayed toward the nozzle 12 along the spraying path, and in the spraying process toward the nozzle 12, the liquid coolant 30 directly contacts with the aerosol fire extinguishing agent 22 without passing through the air guide channel to absorb the heat of the fire extinguishing substances in time, the corresponding high temperature fire extinguishing substances release the heat to reduce the temperature, so as to reduce the temperature of the fire extinguishing substances sprayed from the nozzle 12, and the resistance of the liquid coolant 30 to the fire extinguishing substances is small, so that the liquid coolant can be sprayed out from the nozzle 12 together with the fire extinguishing substances to extinguish a fire without affecting the passing speed of the fire extinguishing substances. The fire extinguishing apparatus 100 of the present invention achieves a reduction in temperature of the fire extinguishing substance and also increases the discharge rate, thereby increasing the fire extinguishing efficiency.

Further, the liquid coolant 30 is configured to absorb heat of the fire extinguishing substance to be vaporized from the liquid state to be converted into the gas state. Since the liquid coolant 30 is vaporized, on the one hand, it absorbs the heat of the fire extinguishing substance and lowers the temperature of the fire extinguishing substance, and on the other hand, the gaseous liquid coolant 30 increases the pressure in the accommodating chamber 11 to increase the burst speed of the fire extinguishing substance. Further, if the liquid coolant 30 is ejected when it is in a liquid state, the liquid coolant 30 does not absorb heat completely, and the fire extinguishing area of the ejection port is limited, so that it is difficult to achieve a high utilization rate.

In a preferred embodiment, the liquid coolant 30 includes perfluorohexanone. The boiling point of the perfluorohexanone is 49.2 ℃, so the boiling point is very low, on one hand, the aerosol fire extinguishing agent 22 generates high-temperature fire extinguishing substances after being ignited, the perfluorohexanone can quickly absorb heat for vaporization, the vaporized perfluorohexanone in a gas state also has a fire extinguishing effect and participates in fire extinguishing together with the fire extinguishing substances, on the other hand, if the aerosol fire extinguishing agent 22 is insufficiently combusted to generate residues, the residues are likely to be outwards sprayed under the pushing of the fire extinguishing substances, but in the process of contacting the perfluorohexanone in a liquid state, the temperature of the residues is reduced, condensed and deposited or attached to the inner wall of the accommodating cavity 11, so the cleanliness of the sprayed fire extinguishing substances is further improved, and the fire extinguishing device 100 has the capability of extinguishing E-type fire (electric appliance fire).

In embodiments of the present invention, the aerosol fire suppressant 22 is in the form of one or any combination of powders, granules, tablets, or blocks.

Referring again to fig. 1, in some embodiments, the fire extinguishing container 10 is cylindrical, and in other embodiments, the fire extinguishing container 10 may have other shapes, such as a conical shape, a rectangular shape, etc., without limitation.

In some embodiments, the fire extinguishing container 10 includes a cylindrical container body and a front cover detachably mounted to one end of the cylindrical container body, wherein the front cover is provided with a spout 12. The provision of the front cover facilitates the placement of the aerosol fire suppressant 22 and the liquid coolant 30 within the receiving cavity 11.

In some embodiments, the aerosol fire suppressant 22 is located at an end of the receiving chamber 11 remote from the spout 12. Specifically, the aerosol fire extinguishing agent 22 and the nozzle orifice 12 may be arranged opposite to each other, so that the aerosol fire extinguishing agent 22 is directly sprayed to the nozzle orifice 12 along the axial direction of the accommodating chamber 11 after being ignited, thereby avoiding the influence of the tortuous spraying path on the spraying speed, and increasing the contact length between the high-temperature fire extinguishing substance and the coolant 30 in the spraying path, and therefore, the liquid coolant 30 is fully utilized, and the temperature of the fire extinguishing substance is further reduced.

Further, the fire extinguishing container 10 has a bottom wall 13 and a side wall 14 which is arranged along the circumference of the bottom wall 13 and connected with the bottom wall 13, the bottom wall 13 and the side wall 14 are enclosed to form an accommodating cavity 11, the bottom wall 13 and the side wall 14 define a positioning space, and the positioning space is attached to the outer side of the aerosol fire extinguishing agent 22 to position the aerosol fire extinguishing agent 22.

In order to improve the combustion efficiency of the aerosol fire extinguishing agent 22, the bottom wall 13 and the side wall 14 are used for defining a positioning space for positioning the aerosol fire extinguishing agent 22, and the aerosol fire extinguishing agent 22 can be guided to be combusted layer by layer only from one side facing the nozzle hole 12 to the bottom wall 13 at the side far away from the nozzle hole 12 after being ignited by the ignition element 21, so that the multi-directional combustion of the aerosol fire extinguishing agent 22 is avoided, and the aerosol fire extinguishing agent 22 is not combusted fully or is remained too much. In addition, the positioning space can also prevent the fire extinguishing device 100 from being failed due to damage and fragmentation of the aerosol fire extinguishing agent 22 or separation of the ignition element 21 from the aerosol fire extinguishing agent 22 caused by the force of transportation sloshing or external impact before the fire extinguishing device 100 is used.

In other embodiments, the fire extinguishing apparatus 100 further includes a positioning member 40, the positioning member 40 is located in the accommodating chamber 11, the positioning member 40 has an accommodating chamber 41 and a communication hole 42, the accommodating chamber 41 is communicated with the accommodating chamber 11 through the communication hole 42, and the aerosol fire extinguishing agent 22 is filled in the accommodating chamber 41 and attached to an inner wall of the accommodating chamber 41 to be positioned in the accommodating chamber 41. In this way, after the aerosol fire extinguishing agent 22 is ignited, the aerosol fire extinguishing agent 22 is confined by the positioning member 40 and is sufficiently combusted in the positioning member 40.

Further, the positioning element 40 is an elastic positioning element, and an outer wall of the elastic positioning element abuts against an inner wall of the accommodating cavity 11, so that the elastic positioning element is positioned in the accommodating cavity 11. Specifically, the bottom of the outer side of the elastic positioning element abuts against the bottom wall 13 of the accommodating cavity 11, and the elastic positioning element abuts against the side wall 14 of the accommodating cavity 11 along the circumferential direction, so that the elastic positioning element is positioned in the accommodating cavity 11. The use of the elastic positioning member not only improves the combustion efficiency of the aerosol fire extinguishing agent 22, but also buffers the impact force when the fire extinguishing apparatus 100 is impacted by external impact, so as to prevent the aerosol fire extinguishing agent 22 from being damaged and broken or the ignition member 21 from being separated from the aerosol fire extinguishing agent 40.

Specifically, the elastic positioning element is made of silicone, and in other embodiments, the elastic positioning element may also be made of elastic material such as rubber, which is not limited herein.

In some embodiments, the side of the aerosol fire suppressant 22 facing the nozzle 12 is in direct contact with the liquid coolant 30.

Further, the ignition member 21 comprises an ignition end 211 and a connection end 212, the ignition end 211 is located outside the fire extinguishing container 10, the connection end 212 is in contact with the aerosol fire extinguishing agent 22, wherein the connection end 212 is located on a side of the aerosol fire extinguishing agent 22 facing the spout 12. In this way, after the ignition member 21 is ignited, the aerosol fire extinguishing agent 22 generates a fire extinguishing substance, and since the ignition end 211 of the ignition member 21 is located on the side of the aerosol fire extinguishing agent 22 toward the nozzle hole 12, that is, the spray path between the aerosol fire extinguishing agent 22 initially ignited by the ignition member 21 and the nozzle hole 12 is shortest, the fire extinguishing substance can be rapidly sprayed toward the nozzle hole 12, and the fire extinguishing speed is increased.

In some embodiments, the ignition member 21 is a heat-sensitive wire. The ignition of the aerosol fire suppressant 22 may be facilitated by igniting the heat sensitive wire, thereby igniting the aerosol fire suppressant 22.

In another embodiment, the pilot 21 may also be an electrical initiator.

Specifically, the fire suppression apparatus 100 further includes a controller (not shown) and a detector (not shown). The detector is used for detecting fire and sending a fire signal to the controller, one end of the electric initiator extends into the accommodating cavity 11, and the controller is used for controlling the electric initiator to ignite the aerosol fire extinguishing agent 22. More specifically, the controller may be an industrial personal computer, a PLC controller, an MCU controller, or the like. The detector may be a temperature sensitive detector. The temperature sensitive detector can detect the occurrence of fire by sensing temperature. The fire signal is a temperature abnormal signal. When the temperature detector senses that the temperature is abnormal, the temperature abnormal signal is sent to the controller, and the controller controls the electric initiator to start, so that the electric initiator ignites the aerosol fire extinguishing agent 22.

In other embodiments, as shown in FIG. 2, the electrical initiator may also include an activation button 213, a piezo-ceramic 214, and a high voltage lead 215, and the piezo-ceramic 214 is pressurized by pressing the activation button 213 to generate a voltage within the high voltage lead 215 to ignite the aerosol fire suppressant 22. Further, the fire extinguishing container 100 further comprises a safety pin 50 and a safety tab 60, the safety tab 60 being connected to the safety pin 60, the safety pin 50 comprising a locking position and an unlocking position, the safety pin 50 abutting the activation button 213 to restrict the activation button 213 from moving towards the piezo ceramic when the safety pin 50 is in the locking position, the safety tab 60 pulling the safety pin 60 out of engagement with the activation button 213 when the safety pin 50 is in the unlocking position. This approach may be applicable to portable fire suppression apparatus 100.

In other embodiments, the detector may also be a smoke detector. The smoke detector can detect the occurrence of fire by sensing the smoke concentration. The fire signal is a smoke concentration abnormal signal. When the temperature-sensitive detector senses that the smoke concentration is abnormal, a smoke concentration abnormal signal is sent to the controller, and the controller controls the electric initiator to start, so that the electric initiator ignites the aerosol fire extinguishing agent 22. The detector may also be a combustible gas detector. The smoke detector can detect the occurrence of fire by sensing the concentration of combustible gas. The fire signal is a combustible gas concentration abnormal signal. When the temperature-sensing detector senses that the concentration of the combustible gas is abnormal, a combustible gas concentration abnormal signal is sent to the controller, and the controller controls the electric initiator to start, so that the electric initiator ignites the aerosol fire extinguishing agent 22.

Referring to fig. 1 again, in some embodiments, the fire extinguishing apparatus 100 further includes a pressure relief member 70, and the pressure relief member 70 is used for communicating the accommodating chamber 11 with the outside of the accommodating chamber 11 through the nozzle 12 when the accommodating chamber 11 reaches a preset pressure value. So, use pressure relief spare 70 on the one hand can make and hold chamber 11 and be in encapsulated situation to protection liquid coolant 30 and aerosol fire extinguishing agent 22 do not receive external environment influence, prolong its life-span, secondly, pressure relief spare 70 can make liquid coolant 30 and the fire extinguishing substance carry out certain suppressing pressure before spouting from spout 12, thereby increases liquid coolant 30 and the initial velocity of fire extinguishing substance from spout 12 blowout.

Specifically, the pressure relief 70 may be a sticker, a pressure relief valve, a pressure relief diaphragm, or an aluminum film.

In a particular embodiment, the pressure relief 70 is a sticker, such as a plastic sticker, adhesive tape, or the like. Can establish the mar sticker on the sticker and when holding chamber 11 and being greater than or equal to preset the pressure value, receive the oppression of pressure and break down, hold the liquid coolant 30 in the chamber 11 and the department of rupture of putting out a fire material through the sticker outwards erupts.

In another embodiment, the pressure relief member 70 is a pressure relief valve, and the pressure relief valve is closed when the pressure in the accommodating chamber 11 is smaller than a preset pressure value. When the pressure in the accommodating cavity 11 is greater than or equal to the preset pressure value, the pressure release valve is conducted, and the liquid coolant 30 and the fire extinguishing substance in the accommodating cavity 11 are sprayed outwards through the pressure release valve.

In another embodiment, the pressure relief member 70 is a pressure relief diaphragm, and the pressure relief diaphragm is broken when the pressure in the accommodating cavity 11 is greater than or equal to a preset pressure value. Further, at least one indentation is formed on the pressure relief diaphragm, and when the pressure in the accommodating cavity 11 is greater than or equal to a preset pressure value, the pressure relief diaphragm is broken along the indentation, and the liquid coolant 30 and the fire extinguishing substance in the accommodating cavity 11 are sprayed outwards through the broken part of the pressure relief diaphragm.

Further, when the pressure relief member 70 may be a sticker, a pressure relief membrane, or an aluminum film, the front cover and the container body may be used in cooperation to complete the fixation of the pressure relief member 70 with respect to the fire extinguishing container 10.

As shown in fig. 3, further, the fire extinguishing apparatus 100 further includes a pipe network 80, and one end of the pipe network 80 is connected to the nozzle 12. Through setting up pipe network 80, can make from spout 12 spun fire extinguishing substance and liquid coolant 30 can have the direction ground more and get into the area of putting out a fire from the net gape dispersion of pipe network 80, be favorable to improving the fire extinguishing ability of fire extinguishing agent, promote fire control effect.

In other embodiments, as shown in fig. 4, the fire suppression apparatus 100 further includes a fire tube 90, one end of the fire tube 90 being connected to the nozzle 12 and the other end being in communication with the fire suppression area 200. In this manner, the fire extinguishing substance sprayed from the spray nozzles 12 and the liquid coolant 30 can be guided to spray the fire extinguishing area 200 through the spray pipes 90, so as to enhance the fire extinguishing ability of a certain fire extinguishing area 200.

In the fire extinguishing apparatus 100 of the present invention, when the ignition member 21 is used to ignite the aerosol fire extinguishing agent 22, the aerosol fire extinguishing agent 22 generates high temperature fire extinguishing substances which have a certain initial velocity and are sprayed toward the nozzle 12 along the spraying path, and during the spraying process toward the nozzle 12, the liquid coolant 30 directly contacts with the aerosol fire extinguishing agent 22 without passing through the air guide channel to absorb the heat of the fire extinguishing substance in time, and the corresponding high temperature fire extinguishing substance releases the heat to lower the temperature, so as to reduce the temperature of the fire extinguishing substance sprayed from the nozzle 12, and the resistance of the liquid coolant 30 to the fire extinguishing substance is small, and the fire extinguishing substance can be sprayed from the nozzle 12 together with the fire extinguishing substance to participate in fire extinguishing without affecting the passing speed of the fire extinguishing substance. The fire extinguishing apparatus 100 of the present invention achieves a reduction in temperature of the fire extinguishing substance and also increases the discharge rate, thereby increasing the fire extinguishing efficiency.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.