CN116747470A - Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method - Google Patents

Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method Download PDF

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Publication number
CN116747470A
CN116747470A CN202310727094.1A CN202310727094A CN116747470A CN 116747470 A CN116747470 A CN 116747470A CN 202310727094 A CN202310727094 A CN 202310727094A CN 116747470 A CN116747470 A CN 116747470A
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CN
China
Prior art keywords
fire extinguishing
pressure relief
detection
ignition head
extinguishing agent
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Pending
Application number
CN202310727094.1A
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Chinese (zh)
Inventor
王祺
付成
卢发贵
杨非
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Hubei Jiandun Fire Technology Co Ltd
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Hubei Jiandun Fire Technology Co Ltd
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Application filed by Hubei Jiandun Fire Technology Co Ltd filed Critical Hubei Jiandun Fire Technology Co Ltd
Priority to CN202310727094.1A priority Critical patent/CN116747470A/en
Publication of CN116747470A publication Critical patent/CN116747470A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C5/00Making of fire-extinguishing materials immediately before use
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The application discloses a detection, starting and pressure relief integrated aerosol fire extinguishing device and an installation and fire extinguishing method, wherein the device comprises a shell, a fire extinguishing agent is arranged in the shell, a nozzle is arranged at the front end of the shell, the end face of the fire extinguishing agent is in contact with an ignition head, the ignition head is a bridgeless ignition head, a starting line of the ignition head penetrates out of the front end of the shell and is connected with an output end of piezoelectric ceramic, the piezoelectric ceramic is arranged in a pressure relief groove at the front end of the shell, and a glass bubble temperature sensing tapping device is arranged above the piezoelectric ceramic; according to the application, the detection, starting and pressure relief functions are integrated in a smaller area through the installation cylinder body, the piezoelectric ceramic and the glass bubble temperature sensing tapping device which are arranged in the area where the pressure relief groove is located, so that the pressure relief device has the advantages of simple structure, sensitive detection and safe starting.

Description

Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method
Technical Field
The application relates to the technical field of fire protection, in particular to a detection, starting and pressure relief integrated aerosol fire extinguishing device and an installation and fire extinguishing method.
Background
At present, along with the continuous development of the energy storage industry, the energy storage station and the energy storage battery box body are also updated repeatedly, so that the current energy storage station and the battery PACK are not difficult to know from the large direction, the interior of the traditional fire extinguishing device is more and more compact, and a special detection device is often required to be additionally arranged in the energy storage station or the battery PACK.
The part of aerosol fire extinguishing device adopts a thermosensitive wire as a detection starting structure, so that additional electronic detection equipment is not added, but the thermosensitive wire has certain danger and environmental pollution, so that a corresponding starting mechanism is needed to solve the problem.
The aerosol fire extinguishing device mainly generates a large amount of gas and aerosol fire extinguishing substances to extinguish fire after being started by the aerosol generating agent, the speed of generating the gas and the fire extinguishing substances depends on the starting area of the aerosol generating agent, but as the volume of the fire extinguishing device is continuously reduced, the internal pressure of the aerosol fire extinguishing device is also increased, and the starting area of the aerosol generating agent is changed due to high pressure under the environment, so that the internal pressure of the fire extinguishing device is suddenly increased, and a pressure relief device is also needed to be designed to solve the problem.
In addition, in the existing aerosol fire extinguishing apparatus, for example CN2023200802967, a fire extinguishing apparatus with a starting protector, the starting components of the fire extinguishing apparatus are all installed at the rear end of the housing, so when the fire head is installed, the starting line of the fire head needs to be penetrated out to the rear end of the housing along the fire extinguishing agent, and then the starting components can be connected, and the installation mode causes the penetrating process of the starting line to be complex, which wastes time and labor, and affects the production efficiency of the fire extinguishing apparatus.
Disclosure of Invention
The application aims to overcome the defects and provide a detection start pressure release integrated aerosol fire extinguishing device and an installation and fire extinguishing method, so as to solve the problems in the background technology.
The application aims to solve the technical problems, and adopts the technical scheme that: the utility model provides a survey and start pressure release integral type aerosol extinguishing device, includes the casing, be equipped with the fire extinguishing agent in the casing, the spout has been seted up to the casing front end, fire extinguishing agent terminal surface and ignition head contact, the ignition head is bridgeless ignition head, and the start line of ignition head wears out the casing front end and is connected with piezoceramics output, and piezoceramics installs in the pressure release inslot of casing front end, and the piezoceramics top is equipped with glass bubble temperature sensing and beats the device.
Preferably, the glass bubble temperature sensing tapping device is matched with the pressure relief groove through the mounting cylinder, the outer side of the mounting cylinder is contacted with the inner side of the pressure relief groove, and piezoelectric ceramics are arranged below the inner side of the mounting cylinder.
Preferably, the glass bubble temperature sensing percussion device is including locating the striking pole of installation barrel inboard top, striking pole top and installation barrel internal top contact, striking pole bottom are equipped with the striking dish, be equipped with compression spring between striking dish upper surface and the installation barrel top, compression spring wears to locate striking pole surface, striking dish lower surface and glass bubble top contact, glass bubble bottom and piezoceramics top contact, and a plurality of hollow grooves have been seted up to installation barrel lateral part that is close to glass bubble region.
Preferably, the upper side and the lower side of the glass bulb are both provided with limiting grooves.
Preferably, the ignition head is embedded in an ignition medicine bag, and aerosol generating agent powder is arranged in the ignition medicine bag.
Preferably, a coolant is further arranged between the top surface of the fire extinguishing agent and the nozzle; the fire extinguishing agent is aerosol generating agent powder or a grain structure formed by pressing the aerosol generating agent powder.
Preferably, the upper side and the lower side of the coolant are respectively provided with a separation net, and a supporting piece is arranged between the bottom of the separation net at the lower side and the top surface of the fire extinguishing agent.
Preferably, the front end of the shell is in threaded fit with a front cover, a nozzle and a pressure relief groove are formed in the front cover, a step used for limiting piezoelectric ceramics is further arranged in the pressure relief groove, and a diaphragm is arranged on the surface of the nozzle.
The application also discloses an installation method of the detection and start pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
s1: opening a front cover at the front end of the shell, filling fire extinguishing agent into the shell, then installing an ignition head on the top surface of the fire extinguishing agent, pulling an initiating line upwards, and then arranging coolant on the top of the fire extinguishing agent;
s2: the upper end of the starting line penetrates out upwards from the pressure relief groove of the front cover and is connected with the piezoelectric ceramic output end arranged in the pressure relief groove;
s3: the front cover is fixedly installed at the front end of the shell, the installation cylinder is inserted into a gap between the outer surface of the piezoelectric ceramic and the inner surface of the pressure relief groove, and then the glass bulb temperature sensing tapping device on the upper side of the installation cylinder is installed.
The application also discloses a fire extinguishing method of the detection and start pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
s1: when a fire occurs, the glass bubbles are expanded and crushed by sensing high temperature through the hollow grooves, so that the limiting effect on the impact disc is relieved, and the impact disc moves downwards and impacts the piezoelectric ceramics under the action of the elastic force of the compression spring;
s2: the piezoelectric ceramic is started after being impacted to generate induced current, and the induced current is conducted to the ignition head through the starting wire to enable the ignition head to work, so that the fire extinguishing agent is ignited;
s3: the fire extinguishing agent burns to produce fire extinguishing matter, which is then sprayed out of the nozzle after passing through the cooling agent to extinguish fire.
The application has the beneficial effects that:
according to the application, the detection, starting and pressure relief functions are integrated in a smaller area through the installation cylinder body, the piezoelectric ceramic and the glass bubble temperature sensing tapping device which are arranged in the area where the pressure relief groove is located, so that the pressure relief device has the advantages of simple structure, sensitive detection and safe starting; under the condition of abnormal sudden pressure rise, the piezoelectric ceramic and the mounting cylinder body can be sprayed out in time to expose the pressure relief groove, so that the pressure relief process is realized; in addition, in the installation process, the upper end of the starting line upwards penetrates out of the pressure relief groove of the front cover and is connected with the output end of the piezoelectric ceramic installed in the pressure relief groove, the penetrating process of the starting line is simple, and meanwhile, the starting line plays a role of a protection line in the pressure relief process, so that safety accidents caused by the ejection of the piezoelectric ceramic and the installation cylinder body are prevented.
Drawings
FIG. 1 is a schematic diagram of a detection start pressure relief integrated aerosol fire extinguishing apparatus;
fig. 2 is an enlarged schematic view of the region of the glass bulb temperature sensing tapping device in fig. 1.
Detailed Description
The application is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 and 2, a detection start pressure release integrated aerosol fire extinguishing device comprises a shell 1, a fire extinguishing agent 2 is arranged in the shell 1, a nozzle 3 is arranged at the front end of the shell 1, the end face of the fire extinguishing agent 2 is in contact with an ignition head 4, the ignition head 4 is a bridgeless ignition head, a start line 4.1 of the ignition head 4 penetrates out of the front end of the shell 1 and is connected with the output end of a piezoelectric ceramic 5, the piezoelectric ceramic 5 is arranged in a pressure release groove 6 at the front end of the shell 1, and a glass bulb temperature sensing percussion device 7 is arranged above the piezoelectric ceramic 5.
Preferably, the glass bubble temperature sensing tapping device 7 is matched with the pressure relief groove 6 through the installation cylinder 8, the outer side of the installation cylinder 8 is contacted with the inner side of the pressure relief groove 6, and the piezoelectric ceramic 5 is arranged below the inner side of the installation cylinder 8. In this embodiment, the installation barrel 8 can play three roles, firstly can make things convenient for glass bubble temperature sensing to tap the installation process of device 7 in pressure release groove 6, secondly conveniently spacing piezoceramics 5, thirdly conveniently in pressure release process, piezoceramics 5 and installation barrel 8 can break away from pressure release groove 6 to expose the pressure release passageway.
Preferably, the glass bubble temperature sensing percussion device 7 includes the striking rod 7.1 of locating the inboard top of installation barrel 8, striking rod 7.1 top and the contact of installation barrel 8 internal top are equipped with striking dish 7.3 in the striking rod 7.1 bottom, be equipped with compression spring 7.4 between striking dish 7.3 upper surface and the installation barrel 8 top, compression spring 7.4 wears to locate striking rod 7.1 surface, striking dish 7.3 lower surface and glass bubble 7.5 top contact, glass bubble 7.5 bottom and piezoceramics 5 top contact, and a plurality of hollow grooves 7.2 have been seted up to installation barrel 8 lateral part that is close to glass bubble 7.5 region. In the embodiment, when a fire occurs, the glass bubbles 7.5 are expanded and crushed by the high temperature sensed by the hollow grooves 7.2, so that the limit effect on the impact disc 7.3 is relieved, and the impact disc 7.3 moves downwards and impacts the piezoelectric ceramics 5 under the action of the elastic force of the compression springs 7.4; the piezoelectric ceramic 5 is started after being impacted to generate induced current, and the induced current is conducted to the ignition head 4 through the starting line 4.1 to enable the ignition head to work, so that the fire extinguishing agent 2 is ignited, and the starting process is completed.
Preferably, the upper side and the lower side of the glass bulb 7.5 are respectively provided with a limiting groove 7.6. The glass bubbles 7.5 can be limited through the limiting grooves 7.6, and are prevented from transversely shaking.
The ignition head 4 is embedded in the ignition medicine bag 12, and aerosol generating agent powder is arranged in the ignition medicine bag 12. In this embodiment, the ignition head 4 is a bridgeless ignition head, and since a certain gap is left between two ignition wires of the bridgeless ignition head, a certain current or an induced current is provided to generate an arc jump phenomenon to start a contacted ignition powder, in this embodiment, the ignition powder pack 12 is used as the ignition powder, the ignition head 4 is embedded in the ignition powder pack, and the aerosol generating agent in the ignition powder pack 12 is ignited after the ignition head 4 is started, so that heat is rapidly generated to ignite the nearby fire extinguishing agent 2, and the starting success probability of the ignition head 4 is greatly improved.
Preferably, a coolant 9 is also arranged between the top surface of the fire extinguishing agent 2 and the nozzle 3; the fire extinguishing agent 2 is aerosol generating agent powder or a grain structure formed by pressing the aerosol generating agent powder. The high-temperature fire extinguishing substance generated by the ignition of the fire extinguishing agent 2 can be cooled by the coolant 9, so that the temperature sprayed from the nozzle 3 is prevented from being too high. In this embodiment, the fire extinguishing agent 2 is an aerosol generating agent, and may be in two states, one is in powder form, the combustion is more intense, the gas generating speed is high, the other is in a grain structure formed by pressing, the combustion is more stable, the gas generating speed is stable, and in actual production, the fire extinguishing agent can be selected according to actual conditions.
Preferably, the upper side and the lower side of the coolant 9 are respectively provided with a separation net 10, and a supporting piece 11 is arranged between the bottom of the separation net 10 at the lower side and the top surface of the fire extinguishing agent 2. In this embodiment, the coolant 9 itself is granular, so that the upper and lower side screens 10 can perform a limiting function, and in this embodiment, the screens 10 are not fixedly connected to the inner wall of the housing 1, but only contact with the inner wall of the housing 1. In addition, the supporting piece 11 can prevent the lower screen 10 from directly pressing the area where the ignition head 4 is located, and prevent the ignition failure caused by influencing the ignition process.
Preferably, the front end of the shell 1 is in threaded fit with the front cover 1.1, the front cover 1.1 is provided with a nozzle 3 and a pressure relief groove 6, a step used for limiting the piezoelectric ceramic 5 is further arranged in the pressure relief groove 6, and a membrane is arranged on the surface of the nozzle 3. After the step is arranged in the pressure relief groove 6, the installation process of the piezoelectric ceramic 5 can be facilitated, and meanwhile, the top surface of the step can limit the bottom of the installation cylinder 8; after the diaphragm is arranged on the surface of the nozzle 3, water in air can be prevented from entering the shell 1 through the nozzle 3 to cause the extinguishing agent 2 to absorb moisture in the normal storage and transportation process of the fire extinguishing device, and in addition, when the air pressure in the shell 1 is increased in the fire extinguishing process, the diaphragm is easy to break, so that the normal spraying process of the nozzle 3 is not influenced.
The application also discloses an installation method of the detection and start pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
s1: opening a front cover 1.1 at the front end of the shell 1, filling the fire extinguishing agent 2 into the shell 1, then installing the ignition head 4 on the top surface of the fire extinguishing agent 2, pulling the starting line 4.1 upwards, and then arranging the cooling agent 9 on the top of the fire extinguishing agent 2;
s2: the upper end of a starting line 4.1 passes through the pressure relief groove 6 of the front cover 1.1 upwards and is connected with the output end of the piezoelectric ceramic 5 arranged in the pressure relief groove 6;
s3: the front cover 1.1 is fixedly installed at the front end of the shell 1, the installation cylinder 8 is inserted into a gap between the outer surface of the piezoelectric ceramic 5 and the inner surface of the pressure relief groove 6, and then the glass bulb temperature sensing tapping device 7 at the upper side of the installation cylinder 8 is installed.
The application also discloses a fire extinguishing method of the detection and start pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
s1: when a fire occurs, the glass bubbles 7.5 are expanded and crushed by high temperature sensed by the hollow grooves 7.2, so that the limiting effect on the impact disc 7.3 is relieved, and the impact disc 7.3 moves downwards and impacts the piezoelectric ceramics 5 under the action of the elastic force of the compression springs 7.4;
s2: the piezoelectric ceramic 5 is started after being impacted to generate induced current, and the induced current is conducted to the ignition head 4 through the starting line 4.1 to enable the ignition head 4 to work, so that the fire extinguishing agent 2 is ignited;
s3: the fire extinguishing agent 2 burns to produce fire extinguishing substances, which are then sprayed out of the nozzle 3 after passing through the coolant 9, and the fire extinguishing process is performed.
The application discloses a pressure relief method of the detection and start pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
s1: in the fire extinguishing process, if the pressure in the shell 1 is abnormal and the sudden increase phenomenon occurs, the installation cylinder 8 and the piezoelectric ceramic 5 are separated from the pressure relief groove 6 upwards under the action of air pressure;
s2: the gas is sprayed out from the pressure relief groove 6 to realize the pressure relief function;
s3: in the upward movement process of the piezoelectric ceramic 5, the ignition head 4 is driven to move upwards through the starting line 4.1, and when the ignition head 4 moves upwards to contact with the lower screen 10, the screen 10 is driven to move upwards together;
s4: the partition net 10 moves upwards to gradually compress the coolant 9, the gradually compressed coolant 9 buffers the partition net 10, after the partition net 10 stops moving, the ignition head 4 is blocked to stop moving, and then the piezoelectric ceramic 5 is pulled by the starting line 4.1 to stop moving, so that safety accidents caused by the ejection of the piezoelectric ceramic 5 and the installation cylinder 8 are prevented. In this step the gradually compressed coolant 9 buffers the screen 10, preventing the screen 10 from moving too fast to break the start line 4.1.
The above embodiments are merely preferred embodiments of the present application, and should not be construed as limiting the present application, and the embodiments and features of the embodiments of the present application may be arbitrarily combined with each other without collision. The protection scope of the present application 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 application are also within the scope of the application.

Claims (10)

1. The utility model provides a survey and start pressure release integral type aerosol extinguishing device, includes casing (1), be equipped with fire extinguishing agent (2) in casing (1), spout (3) have been seted up to casing (1) front end, its characterized in that: the fire extinguishing agent (2) terminal surface and ignition head (4) contact, ignition head (4) are bridgeless ignition head, and start line (4.1) of ignition head (4) wears out casing (1) front end and is connected with piezoceramics (5) output, and piezoceramics (5) are installed in pressure release groove (6) of casing (1) front end, and piezoceramics (5) top is equipped with glass bubble temperature sensing and beats device (7).
2. The detection-start pressure release integrated aerosol fire extinguishing apparatus according to claim 1, wherein: the glass bubble temperature sensing percussion device (7) is matched with the pressure relief groove (6) through the installation cylinder body (8), the outer side of the installation cylinder body (8) is contacted with the inner side of the pressure relief groove (6), and piezoelectric ceramics (5) are arranged below the inner side of the installation cylinder body (8).
3. The detection-start pressure release integrated aerosol fire extinguishing apparatus according to claim 2, wherein: the utility model provides a glass bubble temperature sensing percussion device (7) is including locating impact bar (7.1) of installation barrel (8) inboard top, impact bar (7.1) top and installation barrel (8) interior top contact, impact bar (7.1) bottom is equipped with impact dish (7.3), be equipped with compression spring (7.4) between impact dish (7.3) upper surface and installation barrel (8) top, compression spring (7.4) wear to locate impact bar (7.1) surface, impact dish (7.3) lower surface and glass bubble (7.5) top contact, glass bubble (7.5) bottom and piezoceramics (5) top contact, a plurality of hollow grooves (7.2) have been seted up to installation barrel (8) lateral part that is close to glass bubble (7.5) region.
4. A detection-start pressure relief integrated aerosol fire suppression apparatus according to claim 3, wherein: limiting grooves (7.6) are formed in the upper side and the lower side of the glass bulb (7.5).
5. The detection-start pressure release integrated aerosol fire extinguishing apparatus according to claim 1, wherein: the ignition head (4) is embedded in the ignition medicine bag (12), and aerosol generating agent powder is arranged in the ignition medicine bag (12).
6. The detection-start pressure release integrated aerosol fire extinguishing apparatus according to claim 1, wherein: a coolant (9) is also arranged between the top surface of the fire extinguishing agent (2) and the nozzle (3); the fire extinguishing agent (2) is aerosol generating agent powder or a grain structure formed by pressing the aerosol generating agent powder.
7. The detection-start pressure release integrated aerosol fire suppression device as recited in claim 6, wherein: the upper side and the lower side of the coolant (9) are respectively provided with a separation net (10), and a supporting piece (11) is arranged between the bottom of the separation net (10) at the lower side and the top surface of the fire extinguishing agent (2).
8. The detection-start pressure release integrated aerosol fire extinguishing apparatus according to claim 1, wherein: the front end of the shell (1) is in threaded fit with the front cover (1.1), the front cover (1.1) is provided with a nozzle (3) and a pressure relief groove (6), a step used for limiting the piezoelectric ceramic (5) is further arranged in the pressure relief groove (6), and a membrane is arranged on the surface of the nozzle (3).
9. A method of installing a start-up pressure relief integrated aerosol fire suppression apparatus as claimed in any one of claims 1 to 8, characterized by: it comprises the following steps:
s1: opening a front cover (1.1) at the front end of the shell (1), filling fire extinguishing agent (2) into the shell (1), then installing a firing head (4) on the top surface of the fire extinguishing agent (2), pulling an initiating line (4.1) upwards, and then arranging a coolant (9) on the top of the fire extinguishing agent (2);
s2: the upper end of a starting line (4.1) upwards penetrates out of a pressure relief groove (6) of the front cover (1.1) and is connected with the output end of piezoelectric ceramics (5) arranged in the pressure relief groove (6);
s3: the front cover (1.1) is fixedly installed at the front end of the shell (1), the installation cylinder (8) is inserted into a gap between the outer surface of the piezoelectric ceramic (5) and the inner surface of the pressure relief groove (6), and then the glass bulb temperature sensing tapping device (7) arranged on the upper side of the installation cylinder (8) is installed.
10. A fire extinguishing method of the detection start pressure release integrated aerosol fire extinguishing apparatus according to any one of claims 1 to 8, characterized in that: it comprises the following steps:
s1: when a fire occurs, the glass bubbles (7.5) are expanded and crushed by sensing high temperature through the hollow grooves (7.2), so that the limiting effect on the impact disc (7.3) is relieved, and the impact disc (7.3) moves downwards and impacts the piezoelectric ceramics (5) under the action of the elastic force of the compression springs (7.4);
s2: the piezoelectric ceramics (5) are started after being impacted to generate induced current, and the induced current is conducted to the ignition head (4) through the starting line (4.1) to enable the ignition head to work, so that the fire extinguishing agent (2) is ignited;
s3: the fire extinguishing agent (2) burns to produce fire extinguishing substances, and then the fire extinguishing substances are sprayed out of the nozzle (3) after passing through the cooling agent (9) to perform a fire extinguishing process.
CN202310727094.1A 2023-06-19 2023-06-19 Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method Pending CN116747470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310727094.1A CN116747470A (en) 2023-06-19 2023-06-19 Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310727094.1A CN116747470A (en) 2023-06-19 2023-06-19 Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method

Publications (1)

Publication Number Publication Date
CN116747470A true CN116747470A (en) 2023-09-15

Family

ID=87956709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310727094.1A Pending CN116747470A (en) 2023-06-19 2023-06-19 Integrated aerosol fire extinguishing device for detecting and starting pressure relief and installation and fire extinguishing method

Country Status (1)

Country Link
CN (1) CN116747470A (en)

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