CN216703231U - Fire extinguishing device - Google Patents

Abstract

The present application relates to a fire extinguishing apparatus. The fire extinguishing device comprises a body, wherein a generating cavity is formed in the body, and a first nozzle and a second nozzle which are communicated with the inside and the outside of the generating cavity are also formed in the body; a resistance increasing member provided in the generation chamber and configured to partition the generation chamber into a first chamber and a second chamber which are independent of each other; the first nozzle is communicated with the first cavity, and the second nozzle is communicated with the second cavity; the fire extinguishing agent is filled in the first cavity and the second cavity; the thermosensitive wire comprises a first section, a second section and a middle section, wherein the first section and the second section are opposite, and the middle section is connected between the first section and the second section; the first end and the second end respectively pass through the first nozzle and the second nozzle, and the middle section is dispersed in the first cavity and the second cavity and is connected with the fire extinguishing agent filled in the first cavity and the second cavity; and the controlled activation of the heat-sensitive wire can ignite the fire extinguishing agent to produce the fire extinguishing medium. This extinguishing device hinders the migration of fire extinguishing medium between first chamber and second chamber through increasing the piece that hinders to extinguishing device has improved the homogeneity that extinguishing medium was spouted.

Description

Fire extinguishing device

Technical Field

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

Background

Pulsed extinguishing device can be used to the field of putting out a fire of new forms of energy or other narrow and small spaces, because the fire extinguishing field in new forms of energy or other narrow and small spaces is difficult to install detection equipment such as smoke and temperature sense, consequently, generally adopts the heat-sensitive wire as detection starting drive under this kind of environment.

The pulse type extinguishing device is characterized in that the spraying speed of the extinguishing medium is extremely high, and the extinguishing medium can be sprayed out completely within one second, so that the aim of quickly extinguishing fire is fulfilled. However, if the fire extinguishing apparatus has two opposite nozzles, the fire extinguishing medium may not be discharged from the nozzle due to the unbalanced resistance of the two nozzles, and the fire extinguishing medium may be discharged from one nozzle and discharged from the other nozzle less, thereby decreasing the fire extinguishing capacity.

At present, two fire extinguishing devices are mainly installed, and the nozzles of the two fire extinguishing devices are opposite or opposite, so as to avoid the phenomenon. However, there is a possibility that the two fire extinguishing devices cannot be started at the same time because of differences in the relationship such as the arrangement of the heat-sensitive wires of the two fire extinguishing devices and the positions of the ignition points. If two fire extinguishing devices cannot be started simultaneously, the fire extinguishing capacity is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the fire extinguishing device capable of uniformly spraying the fire extinguishing medium is needed to solve the problem that the fire extinguishing medium sprayed from one nozzle is more and the fire extinguishing medium sprayed from the other nozzle is less due to unbalanced resistance of the two nozzles, so that the fire extinguishing capability is reduced.

According to one aspect of the present application, there is provided a fire extinguishing apparatus, comprising:

the nozzle comprises a body, wherein a generating cavity is formed in the body, and a first nozzle and a second nozzle which are communicated with the inside and the outside of the generating cavity are also formed in the body;

a resistance increasing member provided in the generation chamber and configured to partition the generation chamber into a first chamber and a second chamber independent of each other; the first nozzle orifice is communicated with the first cavity, and the second nozzle orifice is communicated with the second cavity;

a fire extinguishing agent filled in the first chamber and the second chamber; and

the thermosensitive wire comprises a first section, a second section and a middle section, wherein the first section and the second section are opposite, and the middle section is connected between the first section and the second section;

wherein the first end and the second end respectively pass through the first nozzle and the second nozzle, and the middle section is dispersed in the first cavity and the second cavity and is connected with the fire extinguishing agent filled in the middle section; and the controlled activation of the heat-sensitive wire can ignite the fire extinguishing agent to produce the fire extinguishing medium.

In one embodiment, the volume of the first chamber is equal to the volume of the second chamber.

In one embodiment, the opening shape and the opening size of the first nozzle and the second nozzle are equal.

In one embodiment, the intermediate sections located in the first and second chambers each extend zigzag inside the fire suppressant filled therein.

In one embodiment, the resistance increasing piece is provided with a plurality of wire passing holes at intervals along the longitudinal direction of the resistance increasing piece, and the middle section of the thermosensitive wire passes through the first cavity and the second cavity back and forth through the wire passing holes.

In one embodiment, the resistance increasing piece further comprises welding parts arranged at two opposite ends of the resistance increasing piece, and the welding parts are welded and fixed on the inner wall of the generating cavity.

In one embodiment, the cooling device further comprises a coolant filled in the first cavity and the second cavity, and the first cavity and the second cavity are divided into a first sub-cavity and a second sub-cavity which are communicated with each other;

the fire extinguishing agent is filled in the first sub-cavities in the first cavity and the second cavity respectively; the coolant is respectively filled in the second sub-cavities in the first cavity and the second cavity;

wherein each second sub-chamber is located between the first/second spout of the chamber in which it is located and the first sub-chamber.

In one embodiment, a reserved channel for communicating the first nozzle/the second nozzle with a cavity where the heat-sensitive wire is located and the first sub-cavity is reserved in the coolant filled in each second sub-cavity, the first section and the second section of the heat-sensitive wire are respectively pre-buried in the corresponding reserved channels, and the middle section of the heat-sensitive wire is arranged in the first sub-cavity in the first cavity and the second cavity in a penetrating manner.

In one embodiment, the first nozzle and the second nozzle are respectively positioned on two opposite sides of the body.

In one embodiment, the surface of the body has a nickel plating layer; and/or

The surface of the resistance increasing piece is provided with a nickel plating layer.

Foretell extinguishing device through set up the resistance-increasing piece in taking place the intracavity, will take place the chamber and cut off for mutually independent first chamber and second chamber, and first chamber and second intracavity all are filled and have the fire extinguishing agent. The heat-sensitive wire is heated and rapidly burnt, and ignites the fire extinguishing agent, and the fire extinguishing agent is burnt to generate the fire extinguishing medium. Due to the existence of the resistance increasing piece, the fire extinguishing medium respectively generated in the first cavity and the second cavity is difficult to migrate between the first cavity and the second cavity, the fire extinguishing medium generated in the first cavity is sprayed out from the first nozzle, and the fire extinguishing medium in the second cavity is sprayed out from the second nozzle. So, improved extinguishing device and spouted the homogeneity of putting out a fire medium, and then guaranteed extinguishing device's fire extinguishing ability.

Drawings

FIG. 1 is a schematic view of a fire suppression apparatus according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the fire suppression apparatus shown in FIG. 1;

fig. 3 is a schematic structural view of a resistance increasing member of the fire extinguishing apparatus shown in fig. 1.

100. A fire extinguishing device; 10. a body; 11. a first nozzle; 12. a second nozzle; 13. a generating chamber; 131. a first chamber; 1311. a first sub-cavity; 1312. a second subchamber; 32. a second chamber; 20. a fire extinguishing agent; 30. a heat-sensitive wire; 40. a resistance increasing member; 41. a wire passing hole; 42. a weld; 50. a coolant.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "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 present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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 application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, 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 intervening media. 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.

The fire extinguishing apparatus of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of a fire suppression apparatus according to an embodiment of the present application; FIG. 2 is a schematic cross-sectional view of the fire suppression apparatus shown in FIG. 1; fig. 3 is a schematic structural view of a resistance increasing member of the fire extinguishing apparatus shown in fig. 1. For the purpose of illustration, only the structures described in connection with the present application are illustrated in the figures.

The fire extinguishing apparatus 100 disclosed in at least one embodiment of the present application includes a body 10, a fire extinguishing agent 20, and a heat-sensitive wire 30. The fire extinguishing agent 20 is arranged in the body 10, the heat-sensitive wire 30 is connected with the fire extinguishing agent 20 and used for igniting the fire extinguishing agent 20 to generate a fire extinguishing medium, and the fire extinguishing medium is sprayed out from the inside of the body 10 and then used for extinguishing fire.

A generating cavity 13 is formed in the body 10, and the generating cavity 13 is filled with a fire extinguishing agent 20. In addition, the body 10 is further provided with a first nozzle 11 and a second nozzle 12 which are both communicated with the inside and the outside of the generating cavity 13. The first nozzle 11 and the second nozzle 12 may be opened at opposite ends of the body 10 to improve the uniformity of the fire extinguishing apparatus 100 spraying the fire extinguishing medium.

Further, the opening shapes and the opening sizes of the first nozzle hole 11 and the second nozzle hole 12 are equal. It can be understood that the shape and size of the opening are consistent, and the influence of the first nozzle 11 and the second nozzle 12 on the uniformity of the fire extinguishing medium sprayed by the fire extinguishing apparatus 100 can be reduced, so that the fire extinguishing capability of the fire extinguishing apparatus 100 is ensured.

In some embodiments, the resistance increasing member 40 is disposed within the generation chamber 13 and is configured to separate the generation chamber 13 into the first chamber 131 and the second chamber 32 that are independent of each other. The first nozzle orifice 11 communicates with the first chamber 131, and the second nozzle orifice 12 communicates with the second chamber 32.

The fire extinguishing agent 20 is filled in the first chamber 131 and the second chamber 32 for generating a fire extinguishing medium. Specifically, the fire extinguishing agent 20 may be an aerosol generating agent that is capable of generating an aerosol fire extinguishing medium having fire extinguishing effects through combustion. It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. For example, the fire extinguishing agent 20 may also be a dry powder fire extinguishing agent 20, a foam fire extinguishing agent 20, or the like.

The fire extinguishing medium generated by the fire extinguishing agent 20 needs to be started by a starting mechanism, which can be an electronic ignition head, and can also be a heat-sensitive wire 30. In the present embodiment, the activation mechanism is a heat-sensitive wire 30.

The heat sensitive wire 30 includes opposing first and second segments and an intermediate segment connected between the first and second segments. Further, the first end and the second end respectively pass through the first nozzle orifice 11 and the second nozzle orifice 12, and the middle section is dispersed in the first chamber 131 and the second chamber 32 and connected with the fire extinguishing agent 20 filled therein. Further, the controlled activation of the heat-sensitive wire 30 can ignite the fire suppressant 20 to produce a fire suppressant medium.

It is worth mentioning that the middle sections located in the first chamber 131 and the second chamber 32 extend zigzag inside the fire extinguishing agent 20 filled therein. Specifically, the heat-sensitive wire 30 may be extended in an "S" shape to be disposed inside the fire extinguishing agent 20 to increase a contact area of the heat-sensitive wire 30 with the fire extinguishing agent 20. In this way, it can be ensured that the heat-sensitive wire 30 can quickly ignite the fire extinguishing agent 20 to produce the fire extinguishing medium.

In some embodiments, the resistance increasing member 40 may be a baffle plate disposed transversely in the generating chamber 13 and dividing the generating chamber 13 into a first chamber 131 and a second chamber 32 which are independent from each other, and the first chamber 131 and the second chamber 32 are filled with the fire extinguishing agent 20. At this time, if the fire extinguishing agent 20 in the first chamber 131 and the second chamber 32 is ignited by the heat sensitive wire 30, the fire extinguishing medium generated in the respective chambers hardly migrates to each other across the baffle. In this way, the extinguishing medium in the first chamber 131 will be sprayed from the first spraying openings 11, while the extinguishing medium in the second chamber 32 will be sprayed from the second spraying openings 12, independently of each other.

To understand the present solution in more detail, the case of evacuating the baffle is not taken as an example for explanation. For convenience of illustration, when the baffle is not present in the generation chamber 13, the original first chamber 131 may be defined as the first zone and the original second chamber 32 may be defined as the second zone.

Specifically, once the fire extinguishing medium generated in the first area is sprayed from the first nozzles 11 with a greater resistance than the fire extinguishing medium in the second area is sprayed from the second nozzles 12, a portion of the fire extinguishing medium in the first area will be sprayed from the second nozzles 12 together with the fire extinguishing medium in the second area, resulting in uneven spraying of the fire extinguishing medium by the fire extinguishing apparatus 100, and thus reducing the fire extinguishing capacity of the fire extinguishing apparatus 100.

On the contrary, if the fire extinguishing medium generated in the first zone is discharged from the first nozzles 11 with a smaller resistance than the fire extinguishing medium in the second zone is discharged from the second nozzles 12, contrary to the above result, the present application will not be repeated.

In a preferred embodiment, the volume of the first chamber 131 is equal to the volume of the second chamber 32. Thus, the uniformity of the fire extinguishing medium sprayed by the fire extinguishing apparatus 100 can be further ensured.

In order to prevent the thermal wire 30 from falling out of the fire extinguishing apparatus 100, in the embodiment of the present application, the resistance increasing member 40 is provided with a plurality of wire passing holes 41 at intervals along the longitudinal direction thereof, and the middle section of the thermal wire 30 passes through the wire passing holes 41 back and forth in the first cavity 131 and the second cavity 32. In this way, the heat-sensitive wire 30 can be wound and fixed on the resistance increasing member 40.

It should be noted that the arrangement of the wire through holes 41 does not affect the blocking function of the resistance increasing member 40 on the generation cavity 13, and therefore, the size and the number of the wire through holes 41 should be determined according to the actual situation.

In other embodiments, the resistance increasing member 40 has a tooth along its longitudinal direction, and the tooth is provided with a plurality of notches at intervals, and the notches can be used for the heat-sensitive wire 30 to pass through and wind.

Further, the resistance increasing member 40 further includes welding portions 42 disposed at opposite ends thereof, and the welding portions 42 are welded and fixed to the inner wall of the generation chamber 13.

In order to prevent the fire extinguishing apparatus 100 from being damaged secondarily when the fire extinguishing medium is sprayed, in some embodiments, the fire extinguishing apparatus 100 further includes a coolant 50 filled in the generation chamber 13, and each of the first chamber 131 and the second chamber 32 is divided into a first sub-chamber 1311 and a second sub-chamber 1312 communicating with each other.

Further, the fire extinguishing agent 20 is filled in the first sub-chamber 1311 of the first chamber 131 and the second chamber 32, respectively, and the coolant 50 is filled in the second sub-chamber 1312 of the first chamber 131 and the second chamber 32, respectively. Wherein each second sub-chamber 1312 is located between the first/second nozzle 11/12 of the chamber in which it is located and the first sub-chamber 1311. Thus, when the fire extinguishing medium passes through the coolant 50 in the second sub-cavity 1312, the coolant 50 can reduce the open fire in the fire extinguishing medium and can also cool the fire extinguishing medium, so that the secondary damage caused by the fire extinguishing medium can be avoided.

Specifically, a reserved channel for communicating the first nozzle 11/the second nozzle 12 and the first sub-cavity 1311 in the cavity where the coolant 50 is filled in each second sub-cavity 1312 is reserved, the first section and the second section of the thermal wire 30 are respectively buried in the corresponding reserved channels, and the middle section of the thermal wire 30 penetrates through the first sub-cavity 1311 in the first cavity 131 and the second cavity 32.

In practical application, the first end and the second end of the heat-sensitive wire 30 are heated and burned to the middle section rapidly, and the fire extinguishing agent 20 is ignited, and the fire extinguishing agent 20 is burned to generate the fire extinguishing medium. The extinguishing medium can be discharged from the respective pre-channels via the first nozzle 11 and the second nozzle 12, respectively. Thus, secondary damage caused when the fire extinguishing apparatus 100 is used is reduced.

More specifically, the coolant 50 includes chemical cooling fins and physical cooling structures. More specifically, the coolant 50 includes ceramic balls, a steel mesh, etc., and the present application is not limited thereto in particular.

In view of the complexity of the environment in which the fire suppression apparatus 100 is used, in some implementations, the surface of the body 10 has nickel plating, or the surface of the resistance increasing member 40 has nickel plating, or both. Thus, a very thin passivation film can be formed on the target surface, thereby having the ability to resist corrosion by atmosphere, alkali and certain acids.

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 application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims (10)

1. A fire suppression apparatus, comprising:

the nozzle comprises a body, wherein a generating cavity is formed in the body, and a first nozzle and a second nozzle which are communicated with the inside and the outside of the generating cavity are also formed in the body;

a resistance increasing member provided in the generation chamber and configured to partition the generation chamber into a first chamber and a second chamber independent of each other; the first nozzle orifice is communicated with the first cavity, and the second nozzle orifice is communicated with the second cavity;

a fire extinguishing agent filled in the first chamber and the second chamber; and

the thermosensitive wire comprises a first section, a second section and a middle section, wherein the first section and the second section are opposite, and the middle section is connected between the first section and the second section;

wherein the first end and the second end respectively pass through the first nozzle and the second nozzle, and the middle section is dispersed in the first cavity and the second cavity and is connected with the fire extinguishing agent filled in the middle section; and the controlled activation of the heat-sensitive wire can ignite the fire extinguishing agent to produce the fire extinguishing medium.

2. The fire suppression apparatus of claim 1, wherein a volume of the first chamber is equal to a volume of the second chamber.

3. The fire suppression apparatus of claim 1, wherein the first nozzle orifice and the second nozzle orifice have an opening shape and an opening size that are equal.

4. The fire suppression apparatus of claim 1, wherein said intermediate section within said first and second chambers each extends meanderingly within said fire suppressant filled therein.

5. The fire extinguishing apparatus according to claim 1, wherein the resistance-increasing member is provided with a plurality of wire-passing holes at intervals along its longitudinal direction, and the middle section of the heat-sensitive wire is inserted into the first cavity and the second cavity back and forth through the wire-passing holes.

6. The fire suppression apparatus of claim 1, wherein the resistance increasing member further comprises welds at opposite ends thereof, the welds being welded to the inner wall of the generation chamber.

7. The fire extinguishing apparatus of claim 1, further comprising a coolant filled in the first and second chambers, each of the first and second chambers being divided into a first sub-chamber and a second sub-chamber communicating with each other;

the fire extinguishing agent is filled in the first sub-cavities in the first cavity and the second cavity respectively; the coolant is filled in the second sub-cavities in the first cavity and the second cavity respectively;

wherein each second sub-chamber is located between the first/second spout of the chamber in which it is located and the first sub-chamber.

8. The fire extinguishing apparatus according to claim 7, wherein a reserved channel for communicating the first nozzle/the second nozzle and the first sub-chamber with the cavity where the heat-sensitive wire is located is reserved in the coolant filled in each second sub-chamber, the first section and the second section of the heat-sensitive wire are respectively pre-buried in the corresponding reserved channels, and the middle section of the heat-sensitive wire is arranged in the first sub-chamber in the first cavity and the second cavity in a penetrating manner.

9. The fire suppression apparatus of claim 1, wherein the first nozzle and the second nozzle are located on opposite sides of the body.

10. The fire suppression apparatus of claim 1, wherein the surface of the body has a nickel plating layer; and/or

The surface of the resistance increasing piece is provided with a nickel plating layer.

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