CN221181455U

CN221181455U - Fire extinguishing device with flame-extinguishing structure

Info

Publication number: CN221181455U
Application number: CN202322571942.2U
Authority: CN
Inventors: 付成; 王祺; 万宇; 付巧宇
Original assignee: Hubei Jiandun Fire Technology Co Ltd
Current assignee: Hubei Jiandun Fire Technology Co Ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-06-21
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to a fire extinguishing device with a flame-extinguishing structure, which comprises a container body and an initiator; an inner bin is arranged in the container body, the rear part of the inner bin is filled with aerosol generating agent, and the front end of the container body is provided with a first nozzle; a plurality of partition plates are uniformly arranged on the inner wall of the front part of the inner bin, and vent holes are formed in the partition plates; the actuator is used for heating the aerosol generating agent to generate aerosol fire extinguishing agent and spraying the aerosol fire extinguishing agent from the first nozzle opening; according to the utility model, the flame-extinguishing structure is formed by arranging the plurality of partition boards, so that the jet power of part of air flow can be blocked, and the fire extinguishing agent consumes starting energy through certain stay, so that the flame-extinguishing effect is achieved; in addition, an electric ignition head and a thermosensitive wire can be adopted to start the aerosol generating agent, so that the fire extinguishing device can be prevented from spraying flame to the outside in a short time due to the combustion of the pyrotechnic charge.

Description

Fire extinguishing device with flame-extinguishing structure

Technical Field

The utility model relates to the technical field of fire extinguishing devices, in particular to a fire extinguishing device with a flame-extinguishing structure.

Background

Aerosol fire extinguishing devices have been widely used because of their excellent fire extinguishing energy efficiency and their environmental protection, but if the aerosol fire extinguishing devices themselves are sprayed with flames, their safety is not guaranteed.

Chinese patent publication No. CN 103933690B describes an aerosol fire extinguishing apparatus and a method for manufacturing the same, which belong to an aerosol mixture generating device for suppressing combustion and a method for manufacturing the same, and are used for total submerged fire extinguishing to a combustion site or a closed site fixing device. However, after the device has been activated, the fire extinguishing device will also fire the outside in a short time due to the burning of the pyrotechnic charge, and the test data also show that at 0.3 m from the device, the highest temperature reaches 271 ℃ and the lowest 151 ℃.

Disclosure of utility model

Based on the expression, the utility model provides a fire extinguishing device with a flame-extinguishing structure, and the flame-extinguishing structure is formed by arranging a plurality of partition boards, so that the jet power of partial air flow can be blocked, and the fire extinguishing agent consumes starting energy through certain stay, thereby achieving the flame-extinguishing effect.

The technical scheme for solving the technical problems is as follows: a fire extinguishing device with flame-extinguishing structure, comprising a container body and an initiator; an inner bin is arranged in the container body, the rear part of the inner bin is filled with aerosol generating agent, and the front end of the container body is provided with a first nozzle; a plurality of partition plates are uniformly arranged on the inner wall of the front part of the inner bin, and vent holes are formed in the partition plates; the actuator is configured to heat the aerosol generating agent and cause the aerosol generating agent to generate an aerosol fire extinguishing agent ejected from the first nozzle.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the ends of the partition plates are inclined to the rear side.

Further, the length of the partition plate along the radial direction of the inner chamber is smaller than the radius of the inner chamber.

Further, the container body comprises an inner shell, an outer shell and a cover body; the front end openings of the inner shell and the outer shell are covered by the cover body, the inner bin is formed in the inner shell, and the outer bin is formed between the inner shell and the outer shell;

A piston capable of sliding back and forth is arranged in the outer bin, the piston is in sealing fit with the outer shell and the inner shell, the space at the rear side of the piston is matched with the aerosol generating agent and filled with the gas generating agent, and the space at the front side of the piston is filled with solid-liquid extinguishing agent; the cover body is provided with a second nozzle communicated with the outer bin.

Further, the solid-liquid extinguishing agent is a dry powder extinguishing agent.

Further, a diffuser matched with the second nozzle is arranged at the front end of the cover body.

Further, the gas generating agent is a perfluorinated hexanone fire extinguishing agent.

Further, a relief groove is formed in the top inner wall of the outer shell, and the length of the relief groove along the axial direction is larger than the thickness of the piston along the axial direction.

Further, the starter comprises a mounting joint, a heat insulation bin, a medicament bin and a leading-out joint; the installation joint is arranged at the bottom of the container body, the heat insulation bin and the medicament bin are arranged at the bottom of the installation joint, the medicament bin is arranged in the heat insulation bin, and the extraction joint is arranged at the bottom of the heat insulation bin; the medicament bin is filled with a heat generating agent;

A heat insulation sheet is arranged between the medicament bin and the mounting joint; an electric ignition head is arranged on one side of the heat insulation sheet, which is close to the medicament bin, and the electric ignition head is led out through the heat insulation bin and the leading-out connector; and a thermosensitive wire is arranged on one side of the heat insulation sheet, which is close to the installation joint, and the thermosensitive wire is connected with the aerosol generating agent.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. According to the utility model, the flame-extinguishing structure is formed by arranging the plurality of partition boards, so that the jet power of part of air flow can be blocked, and the fire extinguishing agent consumes starting energy through certain stay, so that the flame-extinguishing effect is achieved;

2. The utility model adopts the electric ignition head and the thermosensitive wire to start the aerosol generating agent, so as to avoid the burning of the pyrotechnic charge column to cause the fire extinguishing device to spray flame to the outside in a short time.

Drawings

Fig. 1 is a schematic structural view of a fire extinguishing apparatus with flame-extinguishing structure according to the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a partition according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a starter according to an embodiment of the present utility model;

In the drawings, the list of components represented by the various numbers is as follows:

1. A container body; 11. an inner housing; 12. an outer housing; 121. a bleed groove; 13. a cover body; 131. a first spout; 132. a second spout; 133. a diffuser; 14. an inner bin; 141. aerosol fire extinguishing agents; 142. a partition plate; 143. a vent hole; 15. an outer bin; 151. a piston; 152. a perfluoro-hexanone fire extinguishing agent; 153. a dry powder extinguishing agent; 2. a starter; 21. installing a joint; 22. a heat insulation bin; 23. a medicament bin; 24. a lead-out connector; 25. a heat generating agent; 26. a heat insulating sheet; 27. an electric ignition head; 28. a thermosensitive wire.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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 application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be appreciated that spatially relative terms such as "under …," "under …," "under …," "over …," "over" and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below …" and "under …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

A fire extinguishing device with flame-extinguishing structure, which comprises a container body 1 and an actuator 2.

In this embodiment, the container body 1 includes an inner case 11, an outer case 12, and a lid 13. As shown in fig. 1, the front ends of the inner housing 11 and the outer housing 12 are opened, the cover 13 covers the front ends of the inner housing 11 and the outer housing 12, an inner chamber 14 is formed in the inner housing 11, and an outer chamber 15 is formed between the inner housing 11 and the outer housing 12.

Wherein, the rear part of the inner chamber 14 is filled with aerosol generating agent 141, and the cover 13 is provided with a first nozzle 131 communicating with the outer chamber 14. A plurality of baffle plates 142 are uniformly arranged on the inner wall of the front part of the inner chamber 14, vent holes 143 are formed in the baffle plates 142, in the embodiment, the end parts of the baffle plates 142 are inclined to the rear side, the blocking effect of the baffle plates 142 on partial air flow is improved, and the radial length of the baffle plates 142 along the inner chamber 14 is smaller than the radius of the inner chamber 14.

A piston 151 is provided in the outer chamber 15 so as to be slidable forward and backward, and the piston 151 is in sealing engagement with the outer side wall of the inner casing 11 and the inner side wall of the outer casing 12. The space at the rear side of the piston 151 is matched with the aerosol generating agent 141 and filled with the gas generating agent, and the front side of the piston 151 is filled with the solid-liquid extinguishing agent.

In this embodiment, the gas generating agent is a perfluoro-hexanone fire extinguishing agent 152, and the solid-liquid fire extinguishing agent is a dry powder fire extinguishing agent 153. The cover 13 is provided with a second nozzle 132 communicating with the outer chamber 15, and the front end of the cover 13 is provided with a diffuser 133 matching with the second nozzle 132. The top inner wall of the outer housing 12 is also provided with a relief groove 121, the length of the relief groove 121 in the axial direction being greater than the thickness of the piston 151 in the axial direction.

The working procedure of this embodiment is as follows:

(1) After the aerosol generating agent 141 is started, high-temperature heating of the perfluorinated hexanone extinguishing agent 152 is generated, the perfluorinated hexanone extinguishing agent 152 is rapidly vaporized, the piston 151 is pushed to move towards the nozzle, and the dry powder extinguishing agent 153 is pushed out for extinguishing solid deep fire. Because there is no open fire but the temperature is extremely high during solid ignition, release positive pressure from inside to outside for gaseous extinguishing agent can't get into wherein, takes place to reignite after gaseous extinguishing agent dissipates, therefore need use solid liquid extinguishing agent, in addition, in this embodiment, solid liquid extinguishing agent adopts dry powder extinguishing agent 153, and the setting of diffuser 133 can ensure that dry powder extinguishing agent 153 releases accurately.

(2) On the other hand, the aerosol generating agent 141 releases the aerosol extinguishing agent after being activated, and the aerosol extinguishing agent is ejected from the first nozzle 131, thereby continuously suppressing combustion in the protected space.

(3) After the dry powder extinguishing agent 153 is completely discharged, the piston 151 moves to the discharge groove 121, and the vaporized perfluorinated hexanone extinguishing agent 152 enters the front end of the piston 151 through the discharge groove 121 and is released through the first nozzle 131, so that compared with the aerosol generating agent 141, the temperature of the perfluorinated hexanone extinguishing agent 152 is quite low, the temperature of a protected space can be effectively reduced, and the safety problem of possible re-combustion in the protected space is thoroughly solved.

In this embodiment, the plurality of separators 142 form a flame-extinguishing structure, so that the spraying power of part of the air flow can be blocked, and the fire extinguishing agent can consume the starting energy after a certain stay, so as to achieve the flame-extinguishing effect.

The actuator 2 is configured to heat the aerosol generating agent 141 such that the aerosol generating agent 141 is actuated to generate aerosol fire extinguishing agent and is ejected from the first ejection port 131. In this embodiment, the actuator 2 includes a mounting adapter 21, an insulated cartridge 22, a medicament cartridge 23, and an outlet adapter 24. The installation joint 21 sets up the bottom of inner housing 1, and thermal-insulated storehouse 22 and medicament storehouse 23 are installed in the bottom of installation joint 21 to medicament storehouse 23 sets up in thermal-insulated storehouse 22, and draw forth the bottom that connects 24 setting in thermal-insulated storehouse 22. The medicine compartment 23 is filled with a heat generating agent 25.

A heat insulating sheet 26 is arranged between the medicine bin 23 and the mounting joint 21. An electric ignition head 27 is arranged on one side of the heat insulation sheet 26, which is close to the medicament bin 23, and the electric ignition head 27 is led out through the heat insulation bin 22 and the leading-out connector 24. A heat-sensitive wire 28 is arranged on one side of the heat-insulating sheet 26 near the mounting joint 21, and the heat-sensitive wire 28 is connected with a pulse medicament 41.

When the electric ignition head 27 receives the starting signal, the electric ignition head 27 starts the heat-generating agent, the heat-generating agent transfers heat to the thermosensitive wire 28 at the other side of the heat-insulating sheet 26 through the heat-insulating sheet 26, and after the thermosensitive wire 28 receives the heat, the plastic film on the outer layer of the pulse agent 41 is started to break through, and the pulse agent 41 is started.

The utility model adopts the electric ignition head 27 and the thermosensitive wire 28 to start the aerosol generating agent 141, so that the fire extinguishing device can be prevented from spraying flame to the outside in a short time by burning the pyrotechnic charge column, and the effect of further flame elimination is achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A fire extinguishing device with a flame-extinguishing structure, which is characterized by comprising a container body and an initiator; an inner bin is arranged in the container body, the rear part of the inner bin is filled with aerosol generating agent, and the front end of the container body is provided with a first nozzle; a plurality of partition plates are uniformly arranged on the inner wall of the front part of the inner bin, and vent holes are formed in the partition plates; the actuator is configured to heat the aerosol generating agent and cause the aerosol generating agent to generate an aerosol fire extinguishing agent ejected from the first nozzle.

2. A fire extinguishing apparatus with flame-extinguishing structure according to claim 1, characterized in that the ends of the partition plates are inclined to the rear side.

3. The fire extinguishing apparatus with flame-extinguishing structure according to claim 1, wherein a length of the partition plate in a radial direction of the inner chamber is smaller than a radius of the inner chamber.

4. The fire extinguishing apparatus with flame suppressing structure according to claim 1, wherein the container body includes an inner housing, an outer housing, and a cover body; the front end openings of the inner shell and the outer shell are covered by the cover body, the inner bin is formed in the inner shell, and the outer bin is formed between the inner shell and the outer shell;

5. The fire extinguishing apparatus with flame-extinguishing structure according to claim 4, wherein the solid-liquid fire extinguishing agent is a dry powder fire extinguishing agent.

6. The fire extinguishing apparatus with flame suppressing structure according to claim 5, wherein a diffuser matching the second nozzle is provided at a front end of the cover.

7. The fire extinguishing apparatus with flame-extinguishing structure according to claim 4, wherein the gas generating agent is perfluoro-hexanone fire extinguishing agent.

8. The fire extinguishing apparatus with flame suppressing structure according to claim 7, wherein a top inner wall of the outer housing is provided with a relief groove, and a length of the relief groove in an axial direction is larger than a thickness of the piston in the axial direction.

9. The fire extinguishing apparatus with flame-extinguishing structure according to claim 1, wherein the actuator comprises a mounting joint, a heat insulation bin, a medicament bin and an extraction joint; the installation joint is arranged at the bottom of the container body, the heat insulation bin and the medicament bin are arranged at the bottom of the installation joint, the medicament bin is arranged in the heat insulation bin, and the extraction joint is arranged at the bottom of the heat insulation bin; the medicament bin is filled with a heat generating agent;