WO2018051662A1 - Dispositif automatique d'extinction d'incendie - Google Patents

Dispositif automatique d'extinction d'incendie Download PDF

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Publication number
WO2018051662A1
WO2018051662A1 PCT/JP2017/028068 JP2017028068W WO2018051662A1 WO 2018051662 A1 WO2018051662 A1 WO 2018051662A1 JP 2017028068 W JP2017028068 W JP 2017028068W WO 2018051662 A1 WO2018051662 A1 WO 2018051662A1
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WO
WIPO (PCT)
Prior art keywords
fire extinguishing
automatic fire
ceiling
liquid container
extinguishing liquid
Prior art date
Application number
PCT/JP2017/028068
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English (en)
Japanese (ja)
Inventor
昭義 大滝
Original Assignee
エース２１グループ株式会社
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 エース２１グループ株式会社 filed Critical エース２１グループ株式会社
Publication of WO2018051662A1 publication Critical patent/WO2018051662A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/10—Containers destroyed or opened by flames or heat

Definitions

  • the present invention relates to an automatic fire extinguishing device.
  • a donut-shaped fire extinguishing liquid container filled with a fire extinguishing liquid and provided with an injection nozzle at the lower part, a carbon dioxide gas cylinder at the center of the donut-shaped fire extinguishing liquid container, and heat are detected.
  • a gas supply device comprising a thermal sensor for supplying carbon dioxide gas into the fire extinguishing liquid container is installed vertically so that the thermal sensor of the gas supply device faces downward (for example, a patent Reference 1).
  • the automatic fire extinguisher with this structure is installed with the fire extinguisher body housed in the back of the ceiling and the fire-extinguishing liquid spray nozzle and the thermal sensor exposed on the ceiling.
  • the thermal sensor senses heat, and the firing pin provided in the gas supply device destroys the sealed part of the carbon dioxide gas cylinder, guiding the carbon dioxide gas in the carbon dioxide gas cylinder into the fire extinguishing liquid container.
  • the fire extinguishing liquid is jetted into the room from the jet nozzle at the pressure.
  • a mounting structure for more easily installing the automatic fire extinguishing apparatus has been proposed. Specifically, for example, a special field edge for fixing the fire extinguisher is separately installed, and an automatic fire extinguishing device is attached to this field edge, or it is mounted on the upper surface of the field edge for easier installation.
  • a mounting structure in which a main body mounting tool having an L-shaped angle to be placed is used to be mounted between the top edges of the ceiling see, for example, Patent Document 2.
  • an automatic fire extinguishing apparatus having the above structure is not installed behind the ceiling, but is installed so as to be hung from the ceiling as it is.
  • the installation work can be easily performed as compared with the conventional one, but the gas supply device is provided in the vertical direction at the center of the donut-shaped fire extinguishing liquid container. Due to its structure, it has an overall thickness and is exposed under the ceiling so that it may feel uncomfortable when installed in a general household with a relatively low ceiling.
  • the present invention has been made in view of the above circumstances, has a fire extinguishing ability equivalent to the conventional one, can be easily attached, is thin, has a short time from the occurrence of a fire to the operation, and is maintained. It is an object to provide an automatic fire extinguishing apparatus that is excellent in performance and design.
  • the automatic fire extinguishing apparatus of the present invention has been made in order to solve the above technical problems, and is characterized by the following.
  • an automatic fire extinguishing device mounted on a ceiling
  • the automatic fire extinguishing device includes a fire extinguishing liquid container filled with a fire extinguishing liquid and a gas supply device for supplying gas into the fire extinguishing liquid container
  • the fire-extinguishing liquid container is provided with an injection nozzle that injects the fire-extinguishing liquid downward at a specific pressure
  • the gas supply device is provided with a carbon dioxide gas cylinder and a firing needle device for releasing the gas in the carbon dioxide gas cylinder.
  • the firing device includes a thermal sensor that operates by sensing a specific temperature, and a firing needle that is installed facing the carbon dioxide gas cylinder at a distance, and the gas supply device has a ceiling surface at a lower portion of the ceiling.
  • the fire extinguisher container is connected to the lower part of the container, and the thermal sensor senses a specific temperature to operate the firing pin device, whereby the gas in the carbon dioxide cylinder is Is supplied to the extinguishing fluid container, wherein the jetting toward the extinguishing fluid downward from the injection nozzle.
  • connection member connectable to a hooking sealing body provided on the ceiling is provided in the fire extinguishing liquid container or the gas supply device.
  • the fire extinguishing liquid container and the gas supply device are covered with a cover member.
  • an opening is provided at the ceiling side end of the cover member.
  • the temperature detected by the thermal sensor of the firing device is set lower than the temperature detected by the thermal sensor of the sprinkler.
  • the firing device has a switch function, and an operation indicator lamp is electrically connected to the firing device, and the switch is turned on with the operation of the firing device.
  • the operation indicator lamp is preferably lit.
  • the electrical connection between the firing device and the operation indicator lamp is a wired or wireless connection.
  • the automatic fire extinguishing apparatus of the present invention has a fire extinguishing ability equivalent to the conventional one, can be easily installed and is thin, has a short time from the occurrence of a fire to operation, and is excellent in maintainability and design.
  • An automatic fire extinguishing device can be provided.
  • FIG. 1 shows a schematic sectional view of an embodiment of the automatic fire extinguishing apparatus of the present invention.
  • An automatic fire extinguisher 1 according to this embodiment is mounted on a ceiling 7 and includes a fire extinguishing liquid container 2 filled with a fire extinguishing liquid 21 and a gas supply apparatus 4 for supplying gas into the fire extinguishing liquid container 2.
  • the fire extinguishing liquid container 2 is connected to the lower part of the gas supply device 4.
  • the gas supply apparatus 4 is attached to the lower part of the ceiling 7, and the fire-extinguishing liquid container 2 is provided with the injection nozzle 3 that injects the fire-extinguishing liquid 21 downward at a specific pressure.
  • gas is supplied from the gas supply device 4 to the fire extinguishing liquid container 2 and the fire extinguishing liquid 21 is jetted downward from the jet nozzle 3.
  • the fire-extinguishing liquid container 2 of the present embodiment is a flat disk shape having a space in which the fire-extinguishing liquid 21 can be filled, and the fire extinguishing liquid 21 filled with a specific pressure in the lower center part.
  • An injection nozzle 3 that injects the nozzle downward is provided.
  • the fire extinguishing liquid 21 filled in the fire extinguishing liquid container 2 is No. 14 of “Performance and Installation Standards for Downward Discharge Automatic Fire Extinguishing Equipment for Houses” (Fire Fighting Preliminary 53, March 9, 1994) in Japan. It can be used without limitation as long as it is specified in the article (extinguishing agent), but in particular, it is an intensified liquid extinguishing agent, in particular, water entering the third type infiltrant shown in Appendix 1 and 2 of Article 18 (indication) ( Can be suitably used as long as it has a fire extinguishing performance 2.6 times that of the strengthening liquid.
  • the strengthening liquid fire extinguishing agent is an aqueous solution of alkali metal salts, has a high cooling effect in an aqueous system, and has almost no influence on the human body. Further, since the strengthening liquid fire extinguishing agent has a higher specific gravity than water, even when sprayed in the form of a mist, it can be reliably sprayed downward without rising by an ascending air current caused by a flame.
  • the injection nozzle 3 As the injection nozzle 3 provided in the lower part of the fire extinguishing liquid container 2, for example, the injection nozzle 3 of the embodiment shown in FIG. 2 can be used.
  • the injection nozzle 3 includes a nozzle receiver 31, a sealing rubber film 32, a protective plastic sheet 33, a presser ring 34 and an injection cap 35.
  • the nozzle receiver 31 is a tubular body having a fire extinguishing liquid passage in the center, and is fixed to the lower part of the fire extinguishing liquid container 2.
  • the sealing rubber film 32 is a member that is torn by the internal pressure of the fire-extinguishing liquid container 2 and allows the fire-extinguishing liquid 21 to pass through when the automatic fire extinguishing apparatus 1 is activated due to the occurrence of a fire.
  • the sealing rubber film 32 is composed of a central rubber film body and a surrounding thick part, and the rubber film body and the thick part are integrally formed.
  • the thickness of the rubber film main body can be determined according to the material of the rubber film main body and is not particularly limited, but a range of 0.3 to 0.4 mm is usually considered.
  • the protective plastic sheet 33 is a member for preventing the deterioration and breakage of the sealing rubber film 32 with time, and is formed slightly wider than the diameter of the fire extinguishing liquid passage of the nozzle receiver 31.
  • the thickness of the protective plastic sheet 33 can be determined as appropriate according to the type of plastic used, but the rigidity that can prevent the pulsation of the sealing rubber film 32 and the gas in the fire extinguishing liquid container 2 when a fire occurs, that is, When the internal pressure is about 3 to 4 kg / cm 2 , it will bend into a bow shape and be flexible so that it can easily pass through the fire extinguishing liquid passage at the center of the presser ring 34 described later. There is no particular limitation.
  • the thickness that satisfies such conditions is usually about 0.2 to 0.6 mm, preferably about 0.3 to 0.5 mm.
  • the presser ring 34 is a member that fits with the sealing rubber film 32 with the protective plastic sheet 33 sandwiched therebetween, and is formed in a ring shape having a groove at the top.
  • the groove portion is formed to a depth at which the thick portion of the sealing rubber film 32 is airtightly fitted, and the thick portion serves as an O-ring for bringing the rubber film main body into close contact with the tip of the nozzle receiver 31.
  • the injection cap 35 is a member that fixes the sealing rubber film 32 and the presser ring 34. Specifically, the injection cap 35 is formed on the outer periphery of the lower portion of the nozzle receiver 31 and on the inner periphery of the upper end of the injection cap 35. It is fixed by screwing with a female screw. A plurality of injection holes 36 are provided in the lower part of the injection cap 35, and the fire extinguishing liquid 21 is uniformly sprayed downward through the injection holes 36 when the automatic fire extinguishing apparatus 1 is operated.
  • a gas supply device 4 for supplying gas into the fire extinguishing liquid container 2 is connected to the upper part of the fire extinguishing liquid container 2 sideways along the ceiling 7 surface.
  • the gas supply device 4 includes a carbon dioxide gas cylinder 5 having a sealing portion 51, and a firing needle device 6 having a thermal sensor 60 and a firing needle 61 that are installed facing each other with a gap from the sealing portion 51 of the carbon dioxide gas cylinder 5. Yes.
  • the firing needle device 6 is fixed in a state where the tip of the firing needle 61 is opposed to the sealing portion 51 of the carbon dioxide gas cylinder 5 with a slight gap.
  • a solder container 62, a spring 63, and a hammer 64 of the thermal sensor 60 are provided on the tail portion of the striker 61 at intervals, and the spring 63 is mounted in a compressed state.
  • the solder container 62 of the thermal sensor 60 accommodates solid solder 65 at room temperature, and the engaging lever 68 is pressed by a set screw 67 through the solder press 66.
  • One end of the engaging lever 68 is connected to the hammer 64, and the other end is slightly curved to form an engaging portion. That is, the spring 63 is compressed by the engaging lever 68 to maintain the hammer 64 in the locked state.
  • a heat collecting plate 69 is connected to the solder container 62.
  • the gas supply device 4 having the above structure operates according to the following mechanism. First, when a fire occurs and the room temperature rises, the heat collecting plate 69 connected to the solder container 62 of the thermal sensor 60 of the gas supply device 4 is heated, and the solder 65 in the solder container 62 is melted by this heat. When the solder 65 melts, the force that presses the engagement lever 68 is released, the engagement portion is disengaged, and the hammer 64 vigorously strikes the tail portion of the firing needle 61 by the elastic force of the spring 63.
  • the automatic fire extinguisher 1 of the present embodiment it is important to connect the gas supply device 4 between the ceiling 7 surface and the fire extinguishing liquid container 2, that is, to the upper part of the fire extinguishing liquid container 2 sideways along the ceiling 7 surface. is there.
  • the automatic fire extinguisher 1 of the present embodiment has the gas supply device 4, that is, the thermal sensor 60 disposed at a position close to the ceiling 7 surface. The heat reaches the heat sensor 60 of the gas supply device 4 faster than the above. As a result, it is possible to operate quickly, and it can be more effective in the initial fire extinguishing.
  • the fire extinguishing liquid container 2 can be made flat, and the whole can be made thinner than the conventional automatic fire extinguishing device. Thereby, it can be set as the automatic fire extinguisher 1 excellent in design property.
  • the fire extinguishing liquid 21 can be efficiently injected from the injection nozzle 3.
  • the automatic fire extinguishing apparatus 1 of the present embodiment is installed near the sprinkler.
  • a general sprinkler is operated by detecting heat generated from a fire with a thermal sensor, all stored fire extinguishing water is discharged at once. That is, once the sprinkler is activated, it is not possible to stop the water discharge halfway. For this reason, the damage caused by the fire-fighting water discharged from the sprinkler as a price for the initial fire-fighting may be significant.
  • the automatic fire extinguishing apparatus 1 according to the present embodiment When installing the automatic fire extinguishing apparatus 1 according to the present embodiment near the sprinkler, the automatic fire extinguishing apparatus 1 according to the present embodiment is set to operate before the sprinkler operates.
  • the automatic fire extinguishing apparatus 1 of the present embodiment in which the thermal sensor 60 is not in direct contact with the fire extinguishing liquid 21 normally operates faster than a sprinkler in which the thermal sensor is directly connected to a pipe supplied with fire extinguishing water.
  • the temperature detected by the thermal sensor 60 of the firing needle device 6 is set lower than the temperature detected by the thermal sensor of the sprinkler. It is considered.
  • the temperature detected by the thermal sensor 60 can be adjusted by setting the solder in the solder container to a melting point lower than the temperature detected by the thermal sensor 60 of the sprinkler.
  • the sensing temperature of the thermal sensor 60 is normally set to about 72 ° C., but for example, by setting it to 62 ° C., it is possible to operate more reliably than the sprinkler.
  • the automatic fire extinguishing apparatus 1 is installed in a state where the whole is suspended from the surface of the ceiling 7, but the method of attaching to the ceiling 7 is not particularly limited, and for example, by screws or bolts Examples thereof include a direct attachment method and a method of attaching the automatic fire extinguishing apparatus 1 and the ceiling 7 via an attachment member.
  • FIG. 3A shows a general hook sealing body 81
  • FIG. 3B shows an embodiment of the connecting member 82.
  • the hook ceiling body 81 is a power socket for supplying power to a lighting fixture usually installed on the ceiling 7 of a general house, and is a member that also serves as a support fixture that supports the weight of the lighting fixture.
  • the connecting member 82 is merely used to connect the ceiling 7 and the automatic fire extinguishing apparatus 1, and does not need to have a function of supplying electricity from the hooking sealing body 81, and is electrically connected. It is also possible to attach only the non-hanging sealing body 81 to the surface of the ceiling 7.
  • connection member 82 provided in the fire extinguishing liquid container 2 or the gas supply device 4 is not particularly limited as long as it can be connected to the hooking sealing body 81 attached to the surface of the ceiling 7 so as not to be easily detached.
  • a connection member 82 provided with hook-like hooks 83 at both ends as shown in FIG. 3B can be used.
  • a connection member 82 is connected to the upper part of the gas supply device 4.
  • FIG. 4 shows an embodiment of the cover member 9.
  • the cover member 9 is not particularly limited as long as the fire extinguishing liquid container 2 and the gas supply device 4 are hidden while the automatic fire extinguishing device 1 is installed on the ceiling 7, and the size and design of the cover member 9 depends on the design of the room. It can be determined accordingly.
  • the cover member 9 is designed to expose the spray nozzle 3 from below.
  • the automatic fire extinguishing apparatus 1 of this embodiment it is preferable to provide an opening 91 at the end of the cover member 9 on the ceiling 7 side.
  • the opening 91 is provided in order to cause heat generated by a fire and flowing along the surface of the ceiling 7 to reach the thermal sensor 60 earlier.
  • the shape of the opening 91 is not particularly limited as long as heat flowing along the surface of the ceiling 7 can be passed by a fire.
  • the opening 91 can be provided in the form of a slit or a hole.
  • the heat flowing along the surface of the ceiling 7 due to the occurrence of a fire can quickly reach the thermal sensor 60.
  • the initial fire extinguishing by 1 can be made more reliable.
  • the firing target device 6 has a function of a switch and constitutes an operation display system in which an operation indicator light is electrically connected to the firing target device 6.
  • 5A and 5B are schematic views showing an embodiment of a wired operation display system.
  • FIG. 5 (A) shows a state before the occurrence of a fire
  • FIG. 5 (B) shows a state when the fire occurs.
  • the switch provided in the firing device 6 is made of a material that can electrically conduct the sealing portion 51 of the carbon dioxide gas cylinder 5 and the firing needle 61 of the firing device 6, and the electric wire 11 is connected to each of them. And can be used as a switch.
  • a power source according to a voltage from a household power source outlet or a power source from a storage battery can be used as the lighting power source 12 for the operation indicator lamp 10.
  • a household power source it is preferable to use a household power source in consideration of stable electricity supply, maintainability, and the like.
  • FIG. 6 (A) shows a state before the occurrence of a fire
  • FIG. 6 (B) shows a state when the fire occurs.
  • the transmitter 13 When connecting wirelessly, as shown in FIG. 6 (A), the transmitter 13 is connected to the firing device 6 provided with the function of a switch, and the receiver 14 is connected to the operation indicator lamp 10.
  • the receiver 14 When a fire occurs and the shooting needle 61 penetrates and comes into contact with the sealing portion 51 of the carbon dioxide gas cylinder 5, a closed circuit including a transmitter is formed and the transmission is performed. An operation signal is transmitted from the device. Accordingly, the receiver 14 connected to the operation indicator lamp 10 receives the operation signal, and the operation indicator lamp 10 is turned on.
  • the transmitter 13 and the receiver 14 are not particularly limited as long as they are a combination of devices capable of transmitting and receiving operation signals.
  • a WiFi router and a receiver 14 as the transmitter 13
  • a combination of Bluetooth (registered trademark) as the transmitter 13 and a computer a smartphone as the receiver 14, and the like.
  • a micro switch in which the electric wire 11 is connected to the tip of the shooting device 6 is provided.
  • the micro switch may be turned on.
  • the shape of the fire extinguishing liquid container 2 is a flat disk shape, but the shape is not limited to this, for example, a thin box shape such as a ceiling 7 design. Various shapes can be used.
  • the operation of the automatic fire extinguishing apparatus 1 that is, the occurrence of a fire is notified by the operation indicator lamp 10 being turned on. It is also possible to make a notification or to operate the surveillance camera to notify by an image and confirm. Thereby, it becomes possible to grasp

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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

La présente invention concerne un dispositif automatique d'extinction d'incendie, qui est un dispositif automatique d'extinction d'incendie (1) monté sur un plafond (7), caractérisé en ce qu'il est pourvu d'un récipient de fluide d'extinction d'incendie (2) rempli d'un fluide d'extinction d'incendie (21), et d'un dispositif d'alimentation en gaz (5) pour fournir du gaz dans le récipient de fluide d'extinction d'incendie. Le récipient de fluide d'extinction d'incendie est pourvu d'une buse de pulvérisation (3) qui pulvérise vers le bas le fluide d'extinction d'incendie selon une pression spécifique ; le dispositif d'alimentation en gaz est pourvu d'un contenant de dioxyde de carbone (5) et d'un dispositif de déclenchement (6) pour évacuer le gaz présent dans le contenant de dioxyde de carbone ; le dispositif de déclenchement est pourvu d'un capteur thermosensible (60) qui fonctionne par détection d'une température spécifique, et d'un déclencheur (61) qui est placé de façon à être maintenu à une certaine distance du contenant de dioxyde de carbone et en regard de celui-ci ; le dispositif d'alimentation en gaz est relié horizontalement sous le plafond le long de la surface du plafond et possède une partie inférieure à laquelle le récipient de fluide d'extinction d'incendie est relié ; et lorsque le capteur thermosensible détecte la température spécifique et actionne le dispositif de déclenchement, le gaz dans le contenant de dioxyde de carbone est fourni au récipient de fluide d'extinction d'incendie et le fluide d'extinction d'incendie est pulvérisé vers le bas depuis la buse de pulvérisation. Ainsi, l'invention concerne un dispositif automatique d'extinction d'incendie qui présente la même capacité d'extinction d'incendie que les dispositifs classiques, peut être facilement monté, et est excellent en termes de maintenabilité et de possibilité de conception.
PCT/JP2017/028068 2016-09-14 2017-08-02 Dispositif automatique d'extinction d'incendie WO2018051662A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016179406A JP2018042714A (ja) 2016-09-14 2016-09-14 自動消火装置
JP2016-179406 2016-09-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115467440A (zh) * 2021-04-09 2022-12-13 山东锐翊电力工程有限公司 一种防火装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111075089B (zh) * 2019-12-25 2021-03-09 北京建院装饰工程设计有限公司 一种具有防火功能的装饰吊顶
JP7411193B1 (ja) 2022-12-10 2024-01-11 新三平建設株式会社 消火装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53137600U (fr) * 1977-04-06 1978-10-31
JPS5951865A (ja) * 1983-07-28 1984-03-26 科防工業株式会社 熱応動部材
JPS605007U (ja) * 1983-06-24 1985-01-14 株式会社望月組 消火器付き照明器具
JPH07213638A (ja) * 1994-01-27 1995-08-15 Kesujiyan:Kk 接点情報送出型自動消火装置
JP2002136616A (ja) * 2000-10-31 2002-05-14 Kesujiyan:Kk 消火器装着構造及び装着方法
JP2013215552A (ja) * 2012-03-13 2013-10-24 Hideo Yoshida 自動消火装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53137600U (fr) * 1977-04-06 1978-10-31
JPS605007U (ja) * 1983-06-24 1985-01-14 株式会社望月組 消火器付き照明器具
JPS5951865A (ja) * 1983-07-28 1984-03-26 科防工業株式会社 熱応動部材
JPH07213638A (ja) * 1994-01-27 1995-08-15 Kesujiyan:Kk 接点情報送出型自動消火装置
JP2002136616A (ja) * 2000-10-31 2002-05-14 Kesujiyan:Kk 消火器装着構造及び装着方法
JP2013215552A (ja) * 2012-03-13 2013-10-24 Hideo Yoshida 自動消火装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115467440A (zh) * 2021-04-09 2022-12-13 山东锐翊电力工程有限公司 一种防火装置
CN115467440B (zh) * 2021-04-09 2024-05-31 山东锐翊电力工程有限公司 一种防火装置

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