CN219700896U - But pressure release medicament storehouse structure in dry powder extinguishing device - Google Patents

But pressure release medicament storehouse structure in dry powder extinguishing device Download PDF

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Publication number
CN219700896U
CN219700896U CN202321244756.1U CN202321244756U CN219700896U CN 219700896 U CN219700896 U CN 219700896U CN 202321244756 U CN202321244756 U CN 202321244756U CN 219700896 U CN219700896 U CN 219700896U
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China
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dry powder
pressure
powder extinguishing
medicament
bin
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CN202321244756.1U
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Chinese (zh)
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黄文智
王祺
付成
黄瑞
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Hubei Jiandun Fire Technology Co Ltd
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Hubei Jiandun Fire Technology Co Ltd
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Abstract

The utility model discloses a pressure-releasing medicament bin structure in a dry powder extinguishing device, which comprises a medicament bin arranged in the dry powder extinguishing device, wherein gas-generating medicaments are arranged in the medicament bin, release holes are formed in the surface of the medicament bin, release holes are formed in the upper side of the surface of the medicament bin, a notch is formed in the lower side of the surface of the medicament bin, and a pressure-releasing plate capable of pushing outwards is arranged in the inner area of the notch; when the internal gas-producing medicament knocks and burns, the pressure release plate can be opened to release pressure in time, so that the rapid increase of the pressure in the medicament bin is avoided, the medicament bin is prevented from being exploded to damage the whole fire extinguishing device, the safety risk is greatly reduced, the spraying efficiency is not influenced in the pressure release process, and the spraying efficiency is improved.

Description

But pressure release medicament storehouse structure in dry powder extinguishing device
Technical Field
The utility model relates to the technical field of dry powder extinguishing devices, in particular to a pressure-releasing medicament bin structure in a dry powder extinguishing device.
Background
The non-pressure-storage suspension superfine dry powder extinguishing device mainly comprises a shell or a tank body filled with extinguishing agent and eruption agent (gas generating agent component), an eruption agent component, an electric initiation/burner, an aluminum foil nozzle and the like. When a fire disaster occurs, the starting part ignites the spray agent in the medicament bin, the spray agent is triggered to instantaneously generate pressure gas to be discharged from the medicament bin, then the aluminum foil of the nozzle at the nozzle of the tank body is broken, the spray time of the fire extinguishing agent is driven to be less than or equal to 1 second, the fire extinguishing agent is instantaneously released from the nozzle, and the fire extinguishing process is implemented. In order to ensure that the residual rate of the device is lower than 5% after spraying, the traditional non-pressure-storage type dry powder extinguishing device/fire extinguisher is usually suspended, a nozzle structure consists of an aluminum foil nozzle and an external baffle, the main spraying direction is downward, and the dry powder extinguishing agent is extruded out of the extinguishing device by using pressure gas generated by a spraying agent and then scattered and diffused to an extinguishing area by the external baffle. The dry powder extinguishing device mainly has the following problems by utilizing the structural design of the traditional non-pressure storage type dry powder extinguishing device/fire extinguisher: the volume of the medicament bin is fixed, once the internal gas-producing medicament knocks and burns, the internal pressure of the medicament bin is rapidly increased, and the medicament bin is easy to explode to damage the whole fire extinguishing device, so that a certain safety risk is brought.
Disclosure of Invention
The utility model aims to overcome the defects and provide a pressure-releasing medicament bin structure in a dry powder extinguishing device so as to solve the problems in the background art.
The utility model aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a but pressure release medicament storehouse structure in dry powder extinguishing device, includes the medicament storehouse of locating in the dry powder extinguishing device, be equipped with the gas production medicament in the medicament storehouse, the release hole has been seted up on the medicament storehouse surface, the release hole has been seted up to medicament storehouse surface upside, and the incision has been seted up to medicament storehouse surface downside, and the incision internal region is the pressure release board that can outwards push away.
Preferably, the two sides of the notch are provided with guide hoods, and the guide directions of the guide hoods are inclined upwards.
Preferably, the notch is of an inverted U-shaped structure, the pressure release plate is of a rectangular structure, the bottom of the pressure release plate is fixedly connected with the surface of the medicament bin, and gaps between the three other sides of the pressure release plate and the surface of the medicament bin are notches.
Preferably, the air guide sleeve comprises an inclined plate fixedly connected with the bottom of the pressure relief plate, side plates are arranged on two sides of the inclined plate, one side of each side plate is fixedly connected with the surface of the inclined plate, and the other side of each side plate is fixedly connected with the surface of the medicament bin.
Preferably, the oblique plate is of a rectangular plate structure, and the side plate is of a triangular plate structure.
Preferably, the air guide sleeve comprises a side plate fixedly connected with the surface of the medicament bin, and a baffle is arranged at the outer end of the side plate.
Preferably, the dry powder extinguishing device comprises a tank body and a dry powder extinguishing agent arranged in the tank body, wherein the top of the agent bin is fixed at the top of the tank body, the bottom of the tank body is provided with a nozzle assembly, and the starting part penetrates through the top of the tank body and contacts with the gas-generating agent in the agent bin.
Preferably, the medicament bin is of a barrel structure.
Preferably, the gas generating agent is a grain structure pressed by aerosol generating agent.
The utility model has the beneficial effects that:
1. according to the utility model, the release hole is formed in the upper side of the surface of the medicament bin, so that the flow direction problem of air flow is considered, if the release hole is formed in the lower side of the surface of the medicament bin, after the air comes out from the release hole, the air flow directly impacts the dry powder extinguishing agent, and the dry powder extinguishing agent moves upwards, which is opposite to the spraying direction, so that the spraying efficiency of the whole extinguishing agent is affected; and after the release hole is formed in the upper side of the surface of the medicament bin, air flows directly enter the cavity at the top of the tank body after coming out of the release hole, so that the dry powder extinguishing agent can be directly pressed downwards to be sprayed downwards, the spraying direction of the dry powder extinguishing agent is consistent with that of the extinguishing agent, and the spraying efficiency of the dry powder extinguishing agent is improved.
2. The two air guide covers have the functions, and firstly, when the pressure relief plate is outwards opened, the pressure relief plate can be limited to prevent the pressure relief plate from being excessively outwards turned; secondly, high-pressure air flow can be guided to flow obliquely upwards and directly enter a cavity at the top of the tank body, so that the high-pressure air flow is prevented from directly impacting the dry powder extinguishing agent, and if the high-pressure air flow directly impacts the dry powder extinguishing agent, the dry powder extinguishing agent can move upwards, and the spraying direction is opposite to that of the dry powder extinguishing agent, so that part of dry powder cannot be sprayed along with the high pressure, the spraying efficiency of the whole extinguishing agent is affected, and the residual dry powder extinguishing agent in the tank body is more; the high-pressure air flow passes through the dry powder extinguishing agent and directly enters the cavity at the top of the tank body through the diversion effect of the diversion cover, so that the dry powder extinguishing agent can be directly downwards pressed to be downwards sprayed in the subsequent process, the spraying direction of the high-pressure air flow is consistent with that of the extinguishing agent, the spraying efficiency of the high-pressure air flow is further improved, and the residual rate of the dry powder extinguishing agent is reduced.
3. If the air guide sleeve adopts an open structure, only two side plates exist, when the pressure relief plate is pushed outwards, the pressure relief plate can be blocked by the baffle plate, the continuous outward turning is avoided, and then the two side plates and the pressure relief plate jointly form a pressure relief channel. This form of pod has the following advantages: when the pressure release plate is not opened, the flow guide cover only comprises two side plates, so that the dry powder extinguishing agent is contacted with the outer sides of the pressure release plate, in the actual use process, the dry powder extinguishing agent can absorb moisture and agglomerate under certain environments, so that the spraying efficiency of the dry powder extinguishing agent can be reduced, and when the pressure release plate is pressed and opened outwards, the agglomerated dry powder extinguishing agent can be extruded, so that the agglomeration is likely to be broken, and the spraying process of the dry powder extinguishing agent is facilitated.
4. When the internal gas-producing medicament knocks and burns, the pressure release plate can be opened to release pressure in time, so that the rapid increase of the pressure in the medicament bin is avoided, the medicament bin is prevented from being exploded to damage the whole fire extinguishing device, the safety risk is greatly reduced, the spraying efficiency is not influenced in the pressure release process, and the spraying efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a structure of a pressure-releasing medicament bin in a dry powder extinguishing device;
FIG. 2 is an enlarged schematic view of the cartridge of FIG. 1;
FIG. 3 is a schematic view of the structure of the pressure relief plate of FIG. 2 after the pressure is pushed outward;
fig. 4 is a schematic structural diagram of the pressure relief plate in fig. 2 after installing a pod;
fig. 5 is a schematic structural diagram of a pod corresponding to embodiment 1;
fig. 6 is a schematic structural diagram of a pod corresponding to embodiment 2.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 6, a pressure-releasing medicament bin structure in a dry powder extinguishing device comprises a medicament bin 2 arranged in the dry powder extinguishing device 1, wherein a gas-generating medicament 3 is arranged in the medicament bin 2, a release hole 4 is formed in the surface of the medicament bin 2, the release hole 4 is formed in the upper side of the surface of the medicament bin 2, a notch 5 is formed in the lower side of the surface of the medicament bin 2, and a pressure-releasing plate 6 capable of pushing outwards is arranged in the inner area of the notch 5. In the utility model, the release hole 4 is arranged on the upper side of the surface of the medicament bin 2, so that the flow direction problem of air flow is considered, if the release hole 4 is arranged on the lower side of the surface of the medicament bin 2, after the air flows out of the release hole 4, the air flow directly impacts the dry powder extinguishing agent 1.2, and the dry powder extinguishing agent 1.2 moves upwards, which is opposite to the spraying direction, so that the spraying efficiency of the whole extinguishing agent is influenced; and after the release hole 4 is formed on the upper side of the surface of the medicament bin 2, after gas flows out from the release hole 4, the gas flow directly enters into a cavity at the inner top of the tank body 1.1, so that the dry powder extinguishing agent 1.2 can be directly pressed downwards to be sprayed downwards, the spraying direction of the dry powder extinguishing agent is consistent with that of the extinguishing agent, and the spraying efficiency of the dry powder extinguishing agent is improved.
Preferably, the air guide covers 7 are installed on two sides of the notch 5, and the air guide direction of the air guide covers 7 is inclined upwards. In this embodiment, two fairings 7 are provided, and the first is that when the pressure release plate 6 is opened outwards, the pressure release plate 6 is limited to prevent excessive eversion; secondly, high-pressure air flow can be guided to flow obliquely upwards and directly enter a cavity at the inner top of the tank body 1.1, so that the high-pressure air flow is prevented from directly impacting the dry powder extinguishing agent 1.2, and if the high-pressure air flow directly impacts the dry powder extinguishing agent 1.2, the dry powder extinguishing agent 1.2 can be enabled to move upwards, and the spraying direction is opposite to that of the dry powder extinguishing agent, so that part of dry powder cannot be sprayed along with the high pressure, the spraying efficiency of the whole extinguishing agent is affected, and the residual dry powder extinguishing agent in the tank body is enabled to be more; the high-pressure air flow firstly directly enters the cavity at the inner top of the tank body 1.1 under the flow guiding action of the air guide cover 7, so that the dry powder extinguishing agent 1.2 can be directly pressed downwards to be sprayed downwards in the subsequent process, the spraying direction of the dry powder extinguishing agent is consistent with that of the extinguishing agent, the spraying efficiency of the dry powder extinguishing agent is improved, and the residual rate of the dry powder extinguishing agent is reduced.
Preferably, the notch 5 is of an inverted U-shaped structure, the pressure relief plate 6 is of a rectangular structure, the bottom of the pressure relief plate 6 is fixedly connected with the surface of the medicament bin 2, and gaps between the three other sides of the pressure relief plate 6 and the surface of the medicament bin 2 are notches 5. In the actual manufacturing process, the surface of the medicament bin 2 can be cut to form the notch 5 with the inverted U-shaped structure, so that the pressure release plate 6 is formed inside the notch 5, and the manufacturing mode is simple and the production efficiency is high.
In the present utility model, the pod 7 may be selected from the following two embodiments:
example 1: as shown in the figure, the air guide sleeve 7 comprises an inclined plate 7.1 fixedly connected with the bottom of the pressure relief plate 6, side plates 7.2 are arranged on two sides of the inclined plate 7.1, one side of each side plate 7.2 is fixedly connected with the surface of the inclined plate 7.1, and the other side of each side plate is fixedly connected with the surface of the medicine bin 2. The inclined plate 7.1 is of a rectangular plate structure, and the side plate 7.2 is of a triangular plate structure. The guide cover 7 of embodiment 1 is of a semi-closed structure, and forms an upwardly inclined groove body, and when the pressure release plate 6 is pushed outwards, the pressure release plate can be blocked by the inclined plate 7.1, so that the guide cover 7 is prevented from being turned outwards continuously, and a pressure release channel is formed with the guide cover 7.
Example 2: as shown in the figure, the air guide sleeve 7 comprises a side plate 7.2 fixedly connected with the surface of the medicament bin 2, and a baffle 7.3 is arranged at the outer end of the side plate 7.2. The air guide sleeve 7 of embodiment 2 is of an open structure, only two side plates 7.2 are provided, when the pressure release plate 6 is pushed outwards, the pressure release plate can be blocked by the baffle plate 7.3 to avoid continuous eversion, and then the two side plates 7.2 and the pressure release plate 6 form a pressure release channel together. This form of pod 7 has the following advantages: when the pressure release plate 6 is not opened, the air guide sleeve 7 only comprises two side plates 7.2, so that the dry powder extinguishing agent 1.2 is contacted with the outer side of the pressure release plate 6, in the actual use process, the dry powder extinguishing agent 1.2 can absorb moisture and agglomerate under certain environments, so that the spraying efficiency of the dry powder extinguishing agent can be reduced, and when the pressure release plate 6 is pressed and opened outwards, the agglomerated dry powder extinguishing agent can be extruded, so that the agglomeration is likely to be broken, and the spraying process of the dry powder extinguishing agent is facilitated.
Preferably, the dry powder extinguishing device 1 comprises a tank body 1.1 and a dry powder extinguishing agent 1.2 arranged in the tank body 1.1, wherein the top of the agent bin 2 is fixed at the top in the tank body 1.1, a nozzle assembly 1.3 is arranged at the bottom of the tank body 1.1, and a starting part 1.4 penetrates through the top of the tank body 1.1 and is in contact with the gas-generating agent 3 in the agent bin 2.
More preferably, the starting component 1.4 in the embodiment can be an electric ignition head or a thermosensitive wire structure. In the present embodiment, when the starting means 1.4 is of an electric ignition head construction, it is connected to a fire detection device (the fire detection device being a temperature sensor and/or a smoke sensor). When fire, overheat and other conditions occur, the fire detection device detects the high temperature environment generated by the fire, and then sends a signal to the microprocessor, and the microprocessor controls the starting component 1.4 to ignite the gas-generating medicament 3 in the medicament bin 2. When the starting component 1.4 is in a thermosensitive line structure, the thermosensitive line structure is simpler, so that the thermosensitive line can be automatically started when a fire disaster occurs, and the thermosensitive line directly ignites the gas-generating medicament 3 without being matched with an additional fire disaster detection device and other external equipment.
Preferably, the medicament bin 2 has a cylindrical structure.
Preferably, the gas generating agent 3 is a grain structure formed by pressing an aerosol generating agent.
More preferably, aluminum foils can be additionally arranged at the positions of the release holes 4 and the notches 5, so that dry powder is prevented from entering the medicament bin 2 in the normal storage and transportation process of the fire extinguishing device, and the aluminum foils are easily broken under pressure, so that the gas release process of the fire extinguishing device is not influenced.
In addition, the utility model also discloses a decompression method of the decompression medicament bin structure in the dry powder extinguishing device, which comprises the following steps:
s1: when a fire occurs, the starting component 1.4 of the dry powder extinguishing device 1 ignites the gas generating medicament 3 in the medicament bin 2;
s2: the gas-generating agent 3 burns to generate gas, and is discharged from the release hole 4 to enter the inner top of the tank body 1.1, when the pressure in the tank body 1.1 is increased to a certain degree, the nozzle assembly 1.3 is opened, and the dry powder extinguishing agent 1.2 is pressed and sprayed downwards to perform the extinguishing process;
s3: when pressure is suddenly increased due to abnormality (such as deflagration and blowby of the internal gas-producing agent 3) in the agent bin 2, the pressure relief plate 6 is outwards opened under the pushing of high-pressure gas, and then an upward-inclined pressure relief channel is formed with the air guide sleeve 7;
s4: the high-pressure gas enters the inner top of the tank body 1.1 along the pressure release channel upwards to finish the pressure release process, and the released high-pressure gas participates in the process of pushing the dry powder extinguishing agent 1.2 to be sprayed downwards to extinguish the fire.
Further, in the step S3, the pressure relief plate 6 is blocked by the air guide sleeve 7 to limit after being opened outwards to a certain extent, and then forms an upward inclined pressure relief channel with the air guide sleeve 7.
The above embodiments are merely preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the embodiments and features of the embodiments of the present utility model may be arbitrarily combined with each other without collision. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (9)

1. The utility model provides a but pressure release medicament storehouse structure in dry powder extinguishing device, including locating medicament storehouse (2) in dry powder extinguishing device (1), be equipped with gas production medicament (3) in medicament storehouse (2), release hole (4) have been seted up on medicament storehouse (2) surface, its characterized in that: the upper side of the surface of the medicament bin (2) is provided with a release hole (4), the lower side of the surface of the medicament bin (2) is provided with a notch (5), and the inner area of the notch (5) is a pressure release plate (6) which can be pushed outwards.
2. The pressure-releasing medicine compartment structure in a dry powder extinguishing device according to claim 1, wherein: and the two sides of the notch (5) are provided with guide hoods (7), and the guide direction of the guide hoods (7) is inclined upwards.
3. The pressure-releasing medicine compartment structure in a dry powder extinguishing device according to claim 2, characterized in that: the notch (5) is of an inverted U-shaped structure, the pressure relief plate (6) is of a rectangular structure, the bottom of the pressure relief plate (6) is fixedly connected with the surface of the medicament bin (2), and gaps between the three other sides of the pressure relief plate (6) and the surface of the medicament bin (2) are notches (5).
4. A decompression chemicals bin structure in a dry powder extinguishing device according to claim 3, wherein: the air guide sleeve (7) comprises an inclined plate (7.1) fixedly connected with the bottom of the pressure release plate (6), side plates (7.2) are arranged on two sides of the inclined plate (7.1), one side of each side plate (7.2) is fixedly connected with the surface of the inclined plate (7.1), and the other side of each side plate is fixedly connected with the surface of the medicine bin (2).
5. The structure of a pressure-releasing medicine compartment in a dry powder extinguishing device according to claim 4, wherein: the inclined plate (7.1) is of a rectangular plate structure, and the side plate (7.2) is of a triangular plate structure.
6. A decompression chemicals bin structure in a dry powder extinguishing device according to claim 3, wherein: the air guide sleeve (7) comprises a side plate (7.2) fixedly connected with the surface of the medicament bin (2), and a baffle (7.3) is arranged at the outer end of the side plate (7.2).
7. The pressure-releasing medicine compartment structure in a dry powder extinguishing device according to claim 1, wherein: the dry powder extinguishing device (1) comprises a tank body (1.1) and a dry powder extinguishing agent (1.2) arranged in the tank body (1.1), wherein the top of the agent bin (2) is fixed at the inner top of the tank body (1.1), a nozzle assembly (1.3) is arranged at the bottom of the tank body (1.1), and a starting component (1.4) penetrates through the top of the tank body (1.1) and is in contact with a gas-producing agent (3) in the agent bin (2).
8. The structure of a pressure-releasing medicine compartment in a dry powder extinguishing device according to claim 6, wherein: the medicament bin (2) is of a cylinder structure.
9. The pressure-releasing medicine compartment structure in a dry powder extinguishing device according to claim 1, wherein: the gas generating agent (3) is a grain structure formed by pressing an aerosol generating agent.
CN202321244756.1U 2023-05-22 2023-05-22 But pressure release medicament storehouse structure in dry powder extinguishing device Active CN219700896U (en)

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CN202321244756.1U CN219700896U (en) 2023-05-22 2023-05-22 But pressure release medicament storehouse structure in dry powder extinguishing device

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CN202321244756.1U CN219700896U (en) 2023-05-22 2023-05-22 But pressure release medicament storehouse structure in dry powder extinguishing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116747472A (en) * 2023-05-22 2023-09-15 湖北及安盾消防科技有限公司 A pressure-relieving chemical tank structure and pressure-relieving method in a dry powder fire extinguishing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116747472A (en) * 2023-05-22 2023-09-15 湖北及安盾消防科技有限公司 A pressure-relieving chemical tank structure and pressure-relieving method in a dry powder fire extinguishing device

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A structure of a pressure relief agent compartment inside a dry powder fire extinguishing device

Effective date of registration: 20231214

Granted publication date: 20230919

Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch

Pledgor: Hubei and Andun Fire Technology Co.,Ltd.

Registration number: Y2023980071183