WO2024259780A1 - Dispositif d'extinction d'incendie aérosol ayant des fonctions de détection, d'activation et de décompression intégrées, procédé d'installation et procédé d'extinction d'incendie - Google Patents

Dispositif d'extinction d'incendie aérosol ayant des fonctions de détection, d'activation et de décompression intégrées, procédé d'installation et procédé d'extinction d'incendie Download PDF

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Publication number
WO2024259780A1
WO2024259780A1 PCT/CN2023/109522 CN2023109522W WO2024259780A1 WO 2024259780 A1 WO2024259780 A1 WO 2024259780A1 CN 2023109522 W CN2023109522 W CN 2023109522W WO 2024259780 A1 WO2024259780 A1 WO 2024259780A1
Authority
WO
WIPO (PCT)
Prior art keywords
fire extinguishing
piezoelectric ceramic
pressure relief
detection
glass bulb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/109522
Other languages
English (en)
Chinese (zh)
Inventor
王祺
付成
卢发贵
杨非
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Jiandun Fire Technology Co Ltd
Original Assignee
Hubei Jiandun Fire Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Jiandun Fire Technology Co Ltd filed Critical Hubei Jiandun Fire Technology Co Ltd
Publication of WO2024259780A1 publication Critical patent/WO2024259780A1/fr
Priority to JOJO/P/2025/0318A priority Critical patent/JOP20250318A1/ar
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C5/00—Making of fire-extinguishing materials immediately before use
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment

Definitions

  • the present invention relates to the field of fire fighting technology, and in particular to a detection-activated pressure-relief integrated aerosol fire extinguishing device and an installation and fire extinguishing method.
  • thermal wires are dangerous and environmentally polluting, so a corresponding activation mechanism is needed to solve this problem.
  • Aerosol fire extinguishing devices mainly extinguish fires by generating a large amount of gas and aerosol fire extinguishing materials after the aerosol generator is activated.
  • the speed of generating gas and fire extinguishing materials depends on the activation area of the aerosol generator.
  • the internal pressure of the aerosol fire extinguishing device also increases.
  • the activation area of the aerosol generator will change due to the high pressure, causing a sudden increase in the internal pressure of the fire extinguishing device. Therefore, it is also necessary to design a pressure relief device to solve this problem.
  • the starting components are all installed at the rear end of the shell. Therefore, when installing the ignition head, the starting wire of the ignition head needs to be passed along the fire extinguishing agent to the rear end of the shell to connect the starting component.
  • This installation method makes the starting wire threading process complicated, time-consuming and labor-intensive, and affects the production efficiency of the fire extinguishing device.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings and provide a detection-activated pressure relief integrated aerosol fire extinguishing device and an installation and fire extinguishing method to solve the problems raised in the background technology.
  • a detection-starting and pressure-relieving integrated aerosol fire extinguishing device comprising a shell, a fire extinguishing agent is arranged in the shell, a nozzle is opened 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, the starting line of the ignition head passes through the front end of the shell and is connected to the output end of the piezoelectric ceramic, the piezoelectric ceramic is installed in the pressure relief groove at the front end of the shell, and a glass bulb temperature sensing knocking device is provided above the piezoelectric ceramic.
  • the glass bulb temperature sensing knocking device cooperates with the pressure relief groove through an installation cylinder, the outer side of the installation cylinder contacts the inner side of the pressure relief groove, and a piezoelectric ceramic is arranged below the inner side of the installation cylinder.
  • the glass bulb temperature sensing knocking device includes an impact rod arranged above the inner side of the mounting cylinder, the top of the impact rod contacts the inner top of the mounting cylinder, an impact plate is provided at the bottom of the impact rod, a compression spring is provided between the upper surface of the impact plate and the top of the mounting cylinder, the compression spring is passed through the surface of the impact rod, the lower surface of the impact plate contacts the top of the glass bulb, the bottom of the glass bulb contacts the top of the piezoelectric ceramic, and a plurality of hollow grooves are provided on the side of the mounting cylinder near the glass bulb area.
  • the upper side and the lower side of the glass bulb are both provided with limiting grooves.
  • the ignition head is embedded in an ignition powder bag, and the ignition powder bag is provided with aerosol generating agent powder.
  • a coolant is provided between the top surface of the fire extinguishing agent and the nozzle;
  • the fire extinguishing agent is an aerosol generating agent powder or a powder column structure formed by pressing the aerosol generating agent powder.
  • a partition net is provided on both the upper side and the lower side of the coolant, and a support is provided between the bottom of the partition net on the lower side and the top surface of the fire extinguishing agent.
  • the front end of the shell is threadably matched with the front cover, a nozzle and a pressure relief groove are provided on the front cover, a step for limiting the piezoelectric ceramic is provided in the pressure relief groove, and a diaphragm is provided on the surface of the nozzle.
  • the present invention also discloses an installation method of the above-mentioned detection-starting-pressure-relief integrated aerosol fire extinguishing device, which comprises the following steps:
  • S3 Install and fix the front cover to the front end of the shell, insert the installation cylinder into the gap between the outer surface of the piezoelectric ceramic and the inner surface of the pressure relief groove, and then install the glass bulb temperature sensing knocking device on the upper side of the installation cylinder.
  • the present invention also discloses a fire extinguishing method of the above-mentioned detection-starting-pressure-relief integrated aerosol fire extinguishing device, which comprises the following steps:
  • the present invention integrates the detection, start-up and pressure relief functions into a smaller area by means of a mounting cylinder, piezoelectric ceramics and a glass bulb temperature-sensing knocking device arranged in the area where the pressure relief groove is located.
  • the structure is simple, the detection is sensitive and the start-up is safe.
  • the piezoelectric ceramics and the mounting cylinder can be ejected in time to expose the pressure relief groove, thereby realizing the pressure relief process.
  • the upper end of the starting wire passes upward from the pressure relief groove of the front cover and is connected to the output end of the piezoelectric ceramic installed in the pressure relief groove.
  • This starting wire installation process is simple.
  • the starting wire of the present invention also serves as a protective wire during the pressure relief process to prevent the piezoelectric ceramic and the installation cylinder from spraying out and causing safety accidents.
  • FIG1 is a schematic structural diagram of a detection-activated pressure-relief integrated aerosol fire extinguishing device
  • FIG. 2 is an enlarged structural diagram of the area where the glass bulb temperature sensing tapping device in FIG. 1 is located.
  • a detection-starting and pressure-relieving integrated aerosol fire extinguishing device includes a shell 1, a fire extinguishing agent 2 is arranged in the shell 1, a nozzle 3 is opened 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 starting line 4.1 of the ignition head 4 passes through the front end of the shell 1 and is connected to the output end of a piezoelectric ceramic 5, the piezoelectric ceramic 5 is installed in a pressure relief groove 6 at the front end of the shell 1, and a glass bulb temperature sensing knocking device 7 is provided above the piezoelectric ceramic 5.
  • the glass bulb temperature sensing knocking device 7 cooperates with the pressure relief groove 6 through the installation cylinder 8, the outer side of the installation cylinder 8 contacts 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.
  • the installation cylinder 8 can play three roles: first, it can facilitate the installation process of the glass bulb temperature sensing knocking device 7 in the pressure relief groove 6; second, it can facilitate the position limiting of the piezoelectric ceramic 5; and third, it can facilitate the piezoelectric ceramic 5 and the installation cylinder 8 to be separated from the pressure relief groove 6 during the pressure relief process, thereby exposing the pressure relief channel.
  • the glass bulb temperature sensing knocking device 7 includes an impact rod 7.1 arranged on the upper inner side of the mounting cylinder 8, the top of the impact rod 7.1 contacts the inner top of the mounting cylinder 8, an impact plate 7.3 is arranged at the bottom of the impact rod 7.1, a compression spring 7.4 is arranged between the upper surface of the impact plate 7.3 and the top of the mounting cylinder 8, the compression spring 7.4 is passed through the surface of the impact rod 7.1, the lower surface of the impact plate 7.3 contacts the top of the glass bulb 7.5, the bottom of the glass bulb 7.5 contacts the top of the piezoelectric ceramic 5, and a plurality of hollow grooves 7.2 are opened on the side of the mounting cylinder 8 near the glass bulb 7.5 area.
  • the glass bulb 7.5 expands and breaks due to the high temperature through the hollow groove 7.2, thereby releasing the limiting effect on the impact plate 7.3.
  • the impact plate 7.3 moves downward and impacts the piezoelectric ceramic 5; the piezoelectric ceramic 5 is started after being impacted and generates an induced current, which is conducted to the ignition head 4 through the starting line 4.1 to make it work, thereby igniting the fire extinguishing agent 2 and completing the starting process.
  • the upper and lower sides of the glass bulb 7.5 are both provided with limiting grooves 7.6, through which the glass bulb 7.5 can be limited to prevent it from lateral shaking.
  • the ignition head 4 is embedded in an ignition powder bag 12, and an aerosol generating agent powder is provided in the ignition powder bag 12.
  • the ignition head 4 adopts a bridgeless ignition head. Since a certain gap is left between the two ignition wires of the bridgeless ignition head, an arc jump phenomenon will occur after providing a certain current or induced current to start the contacting ignition powder.
  • the ignition powder bag 12 serves as the ignition powder, which buries the ignition head 4 therein. After the ignition head 4 is started, the aerosol generating agent in the ignition powder bag 12 is ignited, thereby quickly generating heat and igniting the nearby fire extinguishing agent 2, which greatly improves the probability of successful starting of the ignition head 4.
  • a coolant 9 is further provided between the top surface of the fire extinguishing agent 2 and the nozzle 3; the fire extinguishing agent 2 is an aerosol generating agent powder or a drug column structure formed by pressing the aerosol generating agent powder.
  • the high-temperature fire extinguishing material generated by the ignition of the fire extinguishing agent 2 can be cooled by the coolant 9 to prevent the temperature ejected from the nozzle 3 from being too high.
  • the fire extinguishing agent 2 is an aerosol generating agent, which can be in two states, one is a powder state, which burns more violently and produces gas at a fast speed, and the other is a drug column structure formed by pressing, which burns more steadily and produces gas at a steady speed. In actual production, it can be selected according to the actual situation.
  • a partition 10 is provided on both the upper and lower sides of the coolant 9, and a support 11 is provided between the bottom of the partition 10 on the lower side and the top surface of the fire extinguishing agent 2.
  • the coolant 9 itself is granular, so the partitions 10 on the upper and lower sides can play a limiting role.
  • the support 11 can prevent the partition 10 on the lower side from directly pressing the area where the ignition head 4 is located, thereby preventing the ignition process from being affected and causing ignition failure.
  • the front end of the housing 1 is threadedly matched with the front cover 1.1, and the front cover 1.1 is provided with a nozzle 3 and a pressure relief groove 6.
  • the pressure relief groove 6 is also provided with a step for limiting the piezoelectric ceramic 5, and a diaphragm is provided on the surface of the nozzle 3.
  • the installation process of the piezoelectric ceramic 5 can be facilitated, and the top surface of the step can also limit the bottom of the installation cylinder 8; after the diaphragm is provided on the surface of the nozzle 3, it can prevent moisture in the air from entering the housing 1 through the nozzle 3 during the normal storage and transportation of the fire extinguishing device, causing the fire extinguishing agent 2 to absorb moisture.
  • the air pressure inside the housing 1 increases, it is easy to break the diaphragm, which does not affect the normal spraying process of the nozzle 3.
  • the present invention also discloses an installation method of the above-mentioned detection-starting-pressure-relief integrated aerosol fire extinguishing device, which comprises the following steps:
  • the present invention also discloses a fire extinguishing method of the above-mentioned detection-starting-pressure-relief integrated aerosol fire extinguishing device, which comprises the following steps:
  • the piezoelectric ceramic 5 is activated after being impacted and generates an induced current, which is transmitted to the ignition head 4 through the starter wire 4.1 to make it work, thereby igniting the fire extinguishing agent 2;
  • the present invention discloses a pressure relief method for the above-mentioned detection-activated pressure relief integrated aerosol fire extinguishing device, which comprises the following steps:
  • the partition 10 moves upward and gradually compresses the coolant 9.
  • the gradually compressed coolant 9 forms a buffer for the partition 10.
  • the ignition head 4 is also blocked and stops moving, and then the piezoelectric ceramic 5 is pulled to stop moving through the starter wire 4.1, preventing the piezoelectric ceramic 5 and the mounting cylinder 8 from spraying out and causing a safety accident.
  • the gradually compressed coolant 9 forms a buffer for the partition 10, which can prevent the partition 10 from moving too fast and breaking the starter wire 4.1.

Landscapes

  • 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

La présente invention concerne un dispositif d'extinction d'incendie aérosol ayant des fonctions de détection, d'activation et de décompression intégrées, un procédé d'installation et un procédé d'extinction d'incendie. Le dispositif comprend une coque ; un agent d'extinction d'incendie est fourni dans la coque ; une buse est formée à l'extrémité avant de la coque ; la surface d'extrémité de l'agent d'extinction d'incendie entre en contact avec un allumeur ; l'allumeur est un allumeur sans pont ; une ligne de démarrage de l'allumeur passe à travers l'extrémité avant de la coque et est reliée à l'extrémité de sortie de céramique piézoélectrique ; la céramique piézoélectrique est installée dans un canal de décompression sur l'extrémité avant de la coque ; un dispositif de prise de température d'ampoule en verre est disposé au-dessus de la céramique piézoélectrique. La présente invention intègre des fonctions de détection, d'activation et de décompression dans une petite zone au moyen d'un cylindre d'installation, de la céramique piézoélectrique et du dispositif de prise de température d'ampoule en verre qui sont agencés au niveau du canal de décompression, a une structure simple, et permet une détection sensible et un démarrage sûr.
PCT/CN2023/109522 2023-06-19 2023-07-27 Dispositif d'extinction d'incendie aérosol ayant des fonctions de détection, d'activation et de décompression intégrées, procédé d'installation et procédé d'extinction d'incendie Ceased WO2024259780A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JOJO/P/2025/0318A JOP20250318A1 (ar) 2023-06-19 2025-12-17 جهاز إطفاء حرائق بالهباء الجوي مزوّد بوظائف الكشف والتفعيل وتخفيف الضغط المتكاملة، وطريقة تركيبه وطريقة إطفاء الحريق

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310727094.1A CN116747470B (zh) 2023-06-19 2023-06-19 探测启动泄压一体式气溶胶灭火装置及安装和灭火方法
CN202310727094.1 2023-06-19

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WO2024259780A1 true WO2024259780A1 (fr) 2024-12-26

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PCT/CN2023/109522 Ceased WO2024259780A1 (fr) 2023-06-19 2023-07-27 Dispositif d'extinction d'incendie aérosol ayant des fonctions de détection, d'activation et de décompression intégrées, procédé d'installation et procédé d'extinction d'incendie

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CN (1) CN116747470B (fr)
JO (1) JOP20250318A1 (fr)
WO (1) WO2024259780A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116747471B (zh) * 2023-06-19 2024-12-31 湖北及安盾消防科技有限公司 一种探测启动泄压一体灭火装置及灭火和泄压方法
CN116785623B (zh) * 2023-06-19 2025-06-24 湖北及安盾消防科技有限公司 探测启动泄压一体式气溶胶灭火装置及灭火和泄压方法
CN116808481B (zh) * 2023-06-19 2025-08-26 湖北及安盾消防科技有限公司 一种探测启动泄压一体灭火装置及安装和灭火方法
CN116785622B (zh) * 2023-06-19 2025-06-20 湖北及安盾消防科技有限公司 应对爆炸和高温情况的脉冲耦合气溶胶灭火装置及方法

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CN218076101U (zh) * 2022-07-04 2022-12-20 湖北及安盾消防科技有限公司 一种带有缓压结构的灭火装置

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CN213192231U (zh) * 2020-08-18 2021-05-14 明光猛将消防设备有限公司 一种带有泄压功能的手持式灭火器
CN116785623B (zh) * 2023-06-19 2025-06-24 湖北及安盾消防科技有限公司 探测启动泄压一体式气溶胶灭火装置及灭火和泄压方法
CN220070559U (zh) * 2023-06-19 2023-11-24 湖北及安盾消防科技有限公司 探测启动泄压一体式气溶胶灭火装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1479414A1 (fr) * 2003-05-23 2004-11-24 Euro Spare Parts S.r.l. Extincteur d'incendie portable produisant un aérosol
CN102218203A (zh) * 2011-06-09 2011-10-19 李萍 一种感温自动压电发生器
US20140216766A1 (en) * 2011-09-28 2014-08-07 Xi'an J&R Fire Fighting Equipment Co., Ltd. Portable Fire Extinguisher
CN204932667U (zh) * 2015-07-17 2016-01-06 秦皇岛赛福恒通消防设备有限公司 一种热气溶胶灭火器的背部泄压装置
CN210698576U (zh) * 2019-09-23 2020-06-09 温州特沃科商贸有限公司 一种灭火器
CN212282627U (zh) * 2020-01-16 2021-01-05 湖南安民科技有限责任公司 带有安全泄压装置的消防灭火器
CN111617410A (zh) * 2020-05-29 2020-09-04 湖北及安盾消防科技有限公司 灭火装置
CN218076101U (zh) * 2022-07-04 2022-12-20 湖北及安盾消防科技有限公司 一种带有缓压结构的灭火装置

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JOP20250318A1 (ar) 2025-12-17
CN116747470B (zh) 2024-12-31
CN116747470A (zh) 2023-09-15

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