WO2009001998A1 - Extincteur automatique d'incendie - Google Patents

Extincteur automatique d'incendie Download PDF

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Publication number
WO2009001998A1
WO2009001998A1 PCT/KR2008/000453 KR2008000453W WO2009001998A1 WO 2009001998 A1 WO2009001998 A1 WO 2009001998A1 KR 2008000453 W KR2008000453 W KR 2008000453W WO 2009001998 A1 WO2009001998 A1 WO 2009001998A1
Authority
WO
WIPO (PCT)
Prior art keywords
stopper
nozzle
chemical
fire extinguisher
hole
Prior art date
Application number
PCT/KR2008/000453
Other languages
English (en)
Inventor
Chang Ki Park
Original Assignee
Chang Ki Park
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
Priority claimed from KR1020080000605A external-priority patent/KR100962254B1/ko
Application filed by Chang Ki Park filed Critical Chang Ki Park
Publication of WO2009001998A1 publication Critical patent/WO2009001998A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/66—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers
    • A62C13/70—Portable extinguishers which are permanently pressurised or pressurised immediately before use with extinguishing material and pressure gas being stored in separate containers characterised by means for releasing the pressure gas
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive

Definitions

  • the present invention relates to an automatic fire extinguisher capable of being actuated according to the ambient temperature rising, and more particularly to an automatic fire extinguisher which has mechanical heat sense system to actuate the inflator and open the passage of the fire extinguishing chemical without any electronic sensor or electronic controller which may be erroneously actuated by fire heat and to enhance the reliability of the fire extinguisher.
  • a fire extinguisher is preferably needed to be furnished in buildings in case for the fire. But the ordinary fire extinguisher is inconvenient in that one should buy and install it on the prepared space intentionally, and one should manually operate to actuate it in case of fire, which may be difficult or dangerous. And if there is no one to operate the fire extinguisher, it may be of no use.
  • the fire extinguisher may be installed in the room, but it will occupy considerable space of the room and it causes the inconvenience to people and it may not be in harmony with the interior design.
  • the invention is suggested to solve the above problems, and the object of the invention is to provide an automatic fire extinguisher which could be actuated automatically by the change of the physical property and the mechanical operation system without need of the electronic sense, the electronic control and the electric power supply.
  • an automatic fire extinguisher comprising a body in which a chemical chamber and a pressure chamber are formed and these chambers being partitioned by the movable or elastically compressible pressing means, an inflator provided in pressure chamber to instantly increase the pressure of the pressure chamber by chemical or physical change to exhaust the fire extinguishing chemical in the chemical chamber outwardly, an explosion mechanism to explode the inflator, a nozzle to eject the chemical exhausted from the chemical chamber, and a heat sense module to control operation of the explosion mechanism and opening of the passage between the chemical chamber and the nozzle, the heat sense module being comprised of module body having a stopper hole and valve hole which are connected to each other, a stopper movably provided within the stopper hole to keep the explosion mechanism in non operating position or move it to release position, a heat sense plug engaged on the outer opening of the stopper hole to support the stopper or melt down by fire heat to release the stopper support of the explosion mechanism, and a valve which may be integral
  • the explosion mechanism includes the moving rod inserted in the module body through the shaft hole formed at one side of the stopper hole and movable axially and has the engaging portion in which the stopper is engaged, and a spring elastically supporting the moving rod toward the pressure chamber and moving the moving rod if the stopper is released to explode the inflator.
  • a lever may be attached to the moving rod, and as the moving rod is moved, the lever may be rotated to actuate the inflator.
  • the stopper may be provided to project from or retract into the stopper hole toward the pressure chamber and the fixing portion of the stopper projecting outside the stopper hole may support the explosion mechanism in non operation position.
  • the explosion mechanism may comprise of the striker rotatably provided at the front end of the fixing portion of the stopper, and a spring to apply the rotation force to the striker toward the inflator.
  • the heat sense plug may be engaged with the module body by releasable pin.
  • the heat sense plug may be made of metal having higher heat conductivity than that of lead and a part of it engaged with the module body may be made of lead or lead alloy.
  • the nozzle may be rotatably installed on the body or heat sense module and further include a driving means to rotate the nozzle in combination with the ejection of the fire extinguishing chemical.
  • the driving means includes a coil spring and a ratchet which are coaxially attached on the same rotating shaft, a rod one end of which is connected to the rotating shaft on the eccentric position and the other end of which is connected to the nozzle to rotate the nozzle according to the release of the coil spring, a nozzle stopper installed in the nozzle stopper hole connected to the stopper hole of the heat sense module and between the stopper and the ratchet so as to rotate or stop the nozzle according to the position of the stopper.
  • the pin may be manually removed and the support of the stopper by the heat sense plug may be manually released. Therefore, if necessary, one can use the fire extinguisher to extinguish the neighboring fire.
  • FIG. 1 is an exploded view of first embodiment of the automatic fire extinguisher according to the invention
  • FIG. 2 is a section of the above first embodiment of the invention
  • FIG. 3 is a plan section of the heat sense module of the first embodiment
  • FIG. 4 is an exploded view of the second embodiment of the automatic extinguisher according to the invention
  • FIG. 5 is a section of the above second embodiment of the invention
  • FIG. 6 is a perspective of the heat sense module of the second embodiment
  • FIG. 7 is an exploded view of the heat sense module of the second embodiment of the invention.
  • FIG. 8 is a plan section of the heat sense module of the second embodiment of the invention.
  • FIG. 9 is a section of the third embodiment of the automatic fire extinguisher according to the invention.
  • FIG. 1 and FIG. 2 show the first embodiment of the automatic fire extinguisher according to the invention.
  • the invention includes a body 100 in which a pressing means 102 is movably installed and a chemical chamber 103 and pressure chamber 104 are formed on the upper or lower side of the press means 102 respectively, an inflator 108 provided in pressure chamber 104 to instantly increase the pressure of the pressure chamberlO4 by chemical or physical change to exhaust the fire extinguishing chemical in the chemical chamber 103 outwardly, an explosion mechanism to explode the inflator, a nozzle 150 to eject the chemical 10 exhausted from the chemical chamber 103, and a heat sense module 130 to control the operation of the explosion mechanism and opening the passage between the chemical chamber 103 and the nozzle 150.
  • the body 100 has the flat panel form to be easily accommodated inside the door 1, wall, ceiling or the floor, but it is only example, and may have various shapes in which the pressing means 102 of the various shape could press the chemical chamber 103 according to the expansion of the pressure chamber 104.
  • the pressing means 102 is a movable plate, but it may be an elastic diaphragm or an elastic bag enclosing the chemical chamber.
  • the inflator 108 may be the same as that of air bag of the ordinary safety device of car in which NaN3 and other chemicals are reacted to generate the gases rapidly or the compressed gases may be expanded or the liquefied gas may be evaporated to increase the gas pressure in the pressure chamber 104.
  • FIG. 3 shows the detailed structure of the heat sense module.
  • the heat sense module
  • a block shape module body 131 having a shaft hole 137, a stopper hole 133 and a valve hole 135 being interconnected to each other, and these holes preferably are intersected vertically to each other, and a explosion mechanism 108 having the moving rod 110 inserted in the module body 131 through the shaft hole 137 and operating the inflator according to the position of moving rod 110, s stopper 121 provided in the stopper hole 133 to keep the moving rod 110 in the upper position, a heat sense plug 138 provided on the outer part of the inlet of the stopper hole 133 to support the outer end of the stopper 121 and being melt down in case of fire to let the stopper 121 move, and a valve 140 supported by the stopper 121 in the valve hole 135 to block or open the passage 101a, 101b on both side of the valve hole 135.
  • An engaging portion 111 in the shape of recess or projecting is formed on the moving rod 110 contacting with the stopper 110, and a fixing portion 121a is formed on the stopper contacting with the moving rod 110.
  • a spring 122 is provided to elastically support the stopper 121 against to the direction opposite of the moving rod 110.
  • the spring 122 may be omitted.
  • an inclined guide surface may be formed on the engaging portion 111 and the fixing portion 121a, so a single spring 118 may incur the downward moving of the moving rod 110 and the outward moving of the stopper 121 at the same time.
  • the explosion mechanism may have various structures according to the type of the inflator 108.
  • the explosion mechanism of the illustrated embodiment includes a spring 118 downwardly pressing the moving rod 110 and a touch pin 119 positioned adjacent to the explosion part 109 of the inflator 108 and under the moving rod 110, so that, if the moving rod 110 is moved downwardly, then the touch pin 119 strikes the explosion part 109 of the inflator 108.
  • the valve 140 may have various structures to block and open the both exhaust passage 101a, 101b connected through the valve hole 135 according to the position of the stopper 121.
  • the exhaust passages 101a, 101b connected to chemical chamber 103 and nozzle 150 respectively may be connected to the connecting holes 136a, 136b on both side of the valve hole 135, and a valve 140 may be installed between the both connecting holes 136a, 136b, and a valve stopper
  • valve stopper 128 or valve 121 elastically supporting the valve stopper 128 or valve 121 toward the stopper 121 may be provided. But, without this spring 129, if supporting of the valve stopper 128 by the stopper 121 is released, the pressure flowing into the valve hole 135 may move the valve body 140 into opened position.
  • the heat sense plug 138 may be made of the materials such as lead or lead alloy which have low melting point, and it can be engaged to the module body 131 by way of thread engagement and so on. But in the illustrated embodiment, it is releasably engaged to the module body 131 by pin 147.
  • the nozzle 150 may have the rotating structure and includes a driving means to rotate the nozzle to expand the ejecting direction and range.
  • a ball type nipple 153 is engaged at the end of the exhaust passage2 101a 101b, and the nozzle 150 is rotatably engaged to the nipple 153.
  • the nozzle 150 preferably has a plurality of nozzle holes 151 with different direction.
  • the driving means of the nozzle 150 includes a coil spring 161, a ratchet 163 and a disk 162 with the same rotary shaft 164, and a rod eccentrically attached on the disk 162 and connected to the nozzle 150 may rotate the nozzle 150 according to the release of the coil spring 161.
  • a nozzle stopper hole 133 is formed on the module body 131 in the direction vertical to the stopper hole 133, and a nozzle stopper 126 is installed in the nozzle stopper hole 133 between the stopper 121 and the ratchet 163.
  • a spring 127 may be provided to elastically support the nozzle stopper 126 toward the stopper 121.
  • the invention as described above may keep the fixing portion 121a of the stopper
  • the moving rod 110, the valve stopper 128 and the nozzle stopper 126 may be stably kept in non operating state.
  • the stopper 121 may be shifted to the outward of the stopper hole 133, so the support of the stopper 121 against the moving rod 110, the valve stopper 128 and the nozzle stopper 126 may be released.
  • the moving rod 110 is moved downwardly by the spring 118 and the touch pin 119 may strike the inflator 108 to be actuated, and the pressure in the pressure chamber 104 may rapidly increase to apply the strong exhausting pressure against the fire extinguishing chemical 10 in the chemical chamber 103 through the pressing means 102.
  • the valve 140 is retreated and the exhaust passages 101a, 101b on the opposite side of the valve hole 135 may be interconnected, so the pressured chemical may be transmitted to the nozzle 150 and ejected outwardly.
  • the fixing force applied to the ratchet 163 by the nozzle stopper 126 is released, and the rotating force by the coil spring 161 may be transmitted to the rod 169, so the nozzle 150 may be rotated.
  • the fire extinguisher of the invention is automatically operated by the melting down of the heat sense plug 138 and the subsequent mechanical operation to strike the inflator 108 and open the exhaust passages 101a, 101b, and any electronic controller, electrical part or electrical power supply are not needed, which will result in the reduced manufacturing cost and easy maintenance. And in case of no fire, the non operation condition could be stably kept and the possibility of chemical leakage is very low, and there is no possibility of the failure or malfunction due to the damage of the electrical part by fire heat. Therefore, the reliability of the fire extinguisher is highly improved.
  • the body 100 is made in the shape of flat box or panel as shown in the drawings, it could be embedded inside the door 1, wall or ceiling, therefore, any separated fire extinguisher need not to be furnished in the room, which may be convenient and space saving. Especially, if it is embedded in the door 1, it will effectively extinguish or block the fire at the very passage of the fire flames.
  • the fire extinguishing chemical may be ejected to a wide direction to effectively extinguish the fire.
  • the rotation of the nozzle 150 is driven by the mechanical mechanism, which may not be damaged by the fire heat, so the operation reliability may be improved compared to the electrical mechanism.
  • FIG. 4 and FIG. 5 show the second embodiment of the invention, and FIG. 6 to FIG.
  • the shown second embodiment includes the body 100 having a pressure chamber
  • the invention may be the picture frame structure, in which pores 3, 4 are formed on the frame 2 containing the picture, and the body 100 of the fire extinguisher and the heat sense module 130 may be disposed behind the picture of the frame 2 while the heat sense plug 138 and nozzle 150 being exposed through the pores 3, 4.
  • the fire extinguisher may be easily installed by use of the picture frame at the desired position, it may increase the convenience to use the fire extinguisher at any time, and the indoor space may not be occupied or disturbed by the fire extinguisher, and the beautiful interior may be acquired in spite of the fire extinguisher.
  • the heat sense module 130 comprises a module body 131 having a shaft hole 137, a stopper hole 133 and a valve hole 135 which are vertically extending to each other, a moving rod 110 the engaging part 111 of which is movably inserted in the module body 131 through the shaft hole 137, an explosion mechanism to actuate the inflator 108 according to the moving of the moving rod 110, a stopper 121 provided in the stopper hole 133 and biased by the spring 122 outwardly and having the fixing portion 121a in which the engaging portion 111 of the moving rod 110 is inserted, a heat sense plug 138 engaged on the inlet of the stopper hole 133 and supporting the stopper 121, and a valve 140 provided in the valve hole 135 and biased by the spring 129 toward the stopper 121 and supported by the stopper 121.
  • the exhaust passages 101a 101b are connected on the both side of the connecting holes 136a, 136b of the valve hole 135, and the valve 140 is positioned between the connecting holes 136a, 136b and block or connect the both exhaust passages 101a, 101b.
  • the entire heat sense plug 138 may be made of the low melting point metal, but only a part of it, such as the threading periphery engaged with the module body 131 may be made of low melting point metal for the sake of durability or light weight.
  • the engaging part may be made of the metal of high heat conductivity such as copper so that, in case of fire, the fire heat may be rapidly transmitted to the engaging part, and it may be rapidly melt down.
  • the explosion mechanism comprises of a spring 118 downwardly supporting the moving rod 110, a touch pin 119 adjacent to the explosion part of the inflator 108, and a lever 117 one end of which is connected to the moving rod 110 and the other end of it is rotatable in a seesaw manner to strike the touch pin 119.
  • valve 140 may be released, and the valve 140 may be retreated by the spring 129 and the both passages 101a, 101b may be interconnected, and the pressured chemical 101 may be ejected through the nozzle 150.
  • the supporting structure of the moving rod 110 and the valve 140 by the stopper 121 is simple and firm, it will be advantageous in making the product compact or minimized and in manufacturing cost. And as the operational security is improved, if any unwanted impact may be applied during the delivery and installing, the possibility of malfunction may be low. And as the lever type explosion is provided and the inflator 108 may be position on the upper side of the pressure chamber 104, the size of the fire extinguisher may be considerable reduced.
  • FIG. 9 shows the third embodiment of the invention, wherein the stopper 121 and the valve 140 are formed in one body, and the explosion mechanism may be formed in rotating manner, which enables simpler and smaller heat sense module 130.
  • the module body 131 of the heat sense module 130 is provided with a stopper hole 133, both end of which being connected to the pressure chamber 104 and the outside respectively, a stopper 121 provided in the stopper hole 133 being supported by the spring 122 to be biased outwardly, and a heat sense plug 138 inwardly supporting the stopper 121 is engaged on the inlet of the stopper hole 133.
  • the stopper 121 is formed in one body with the valve 140, and on both side of the valve hole 135 formed coaxially with the stopper hole 133 is connected to the connecting holes 136a, 136b, which connect the chemical chamber 103 and nozzle (not shown) respectively. These connecting holes 136a, 136b may be interconnected or blocked according to the position of the valve 140.
  • a fixing portion 121a projecting outside of the stopper hole 133 is formed at the end of the stopper 121 facing the pressure chamber 104.
  • the explosion mechanism comprises of a striker 149 rotatably attached at the end of the fixing portion 121a of the stopper 121, and a spring 118 applying the rotating force on the striker 149 toward the inflator 108, the striker 149 being supported by the fixing portion 121a of the stopper 121 and the rotation of it is restricted.
  • the stopper if the supporting force of the heat sense plug 138 is released by the fire heat, then the stopper is moved outwardly by the spring 122, and the striker 149 is rotated by the spring 118 and may actuate the inflator 108. At the same time, the valve 140 on one side of the stopper 121 is moved to opening position, and the chemical 10 in the chemical chamber 103 is pressured to flow through the exhaust passages 101a, 101b and the connecting holes 136a, 136b.
  • the stopper 121 and the valve 140 are formed in one body to achieve a simple structure, and the explosion mechanism is formed in rotating manner and the inflator 108 is installed horizontally, which will result in the compact structure, and the cost down and space saving.

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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

L'invention concerne un extincteur automatique d'incendie pouvant être actionné conformément à la montée de la température ambiante, et ayant un système de détection de chaleur mécanique pour actionner le gonfleur et ouvrir le passage du produit chimique d'extinction d'incendie. L'invention comprend un corps dans lequel une chambre de produit chimique et une chambre de pression sont formées et ces chambres sont cloisonnées par des moyens d'appui mobiles ou compressibles élastiquement, un gonfleur, un mécanisme d'explosion pour faire exploser le gonfleur, une buse pour éjecter le produit chimique mis à l'échappement à partir de la chambre de produit chimique, et un module de détection de chaleur pour commander le fonctionnement du mécanisme d'explosion et ouvrir le passage entre la chambre de produit chimique et la buse.
PCT/KR2008/000453 2007-06-26 2008-01-24 Extincteur automatique d'incendie WO2009001998A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2007-0063074 2007-06-26
KR20070063074 2007-06-26
KR1020080000605A KR100962254B1 (ko) 2007-06-26 2008-01-03 자동 소화장치
KR10-2008-0000605 2008-01-03

Publications (1)

Publication Number Publication Date
WO2009001998A1 true WO2009001998A1 (fr) 2008-12-31

Family

ID=40185790

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/000453 WO2009001998A1 (fr) 2007-06-26 2008-01-24 Extincteur automatique d'incendie

Country Status (1)

Country Link
WO (1) WO2009001998A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441498A1 (fr) * 2009-06-08 2012-04-18 Shaanxi J&R Fire Fighting Co., Ltd Appareil d'extinction d'incendie automatique sous-miniature sous forme d'aérosol chaud
CN107754117A (zh) * 2017-11-17 2018-03-06 辽宁工程技术大学 自反应生成二氧化碳的采空区防火灭火装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5992528A (en) * 1997-04-17 1999-11-30 Autoliv Asp, Inc. Inflator based fire suppression system
US6513602B1 (en) * 2000-09-13 2003-02-04 Universal Propolsion Company Gas generating device
US6612243B1 (en) * 2001-02-27 2003-09-02 Aerojet - General Corporation Fire extinguisher
KR100715197B1 (ko) * 2006-07-15 2007-05-07 박창기 소화기능이 구비된 도어

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5992528A (en) * 1997-04-17 1999-11-30 Autoliv Asp, Inc. Inflator based fire suppression system
US6513602B1 (en) * 2000-09-13 2003-02-04 Universal Propolsion Company Gas generating device
US6612243B1 (en) * 2001-02-27 2003-09-02 Aerojet - General Corporation Fire extinguisher
KR100715197B1 (ko) * 2006-07-15 2007-05-07 박창기 소화기능이 구비된 도어

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2441498A1 (fr) * 2009-06-08 2012-04-18 Shaanxi J&R Fire Fighting Co., Ltd Appareil d'extinction d'incendie automatique sous-miniature sous forme d'aérosol chaud
EP2441498A4 (fr) * 2009-06-08 2013-07-03 Shaanxi J & R Fire Fighting Co Appareil d'extinction d'incendie automatique sous-miniature sous forme d'aérosol chaud
CN107754117A (zh) * 2017-11-17 2018-03-06 辽宁工程技术大学 自反应生成二氧化碳的采空区防火灭火装置及方法

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