KR20220109286A - Automatic expansion for fire extinguishing apparatus installed in small space - Google Patents

Automatic expansion for fire extinguishing apparatus installed in small space Download PDF

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Publication number
KR20220109286A
KR20220109286A KR1020210108091A KR20210108091A KR20220109286A KR 20220109286 A KR20220109286 A KR 20220109286A KR 1020210108091 A KR1020210108091 A KR 1020210108091A KR 20210108091 A KR20210108091 A KR 20210108091A KR 20220109286 A KR20220109286 A KR 20220109286A
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South Korea
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fire
small space
fire extinguisher
automatic
support
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KR1020210108091A
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Korean (ko)
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장호민
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(주)청보
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/46—Construction of the actuator
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to an automatic deployment apparatus of a fire extinguisher installed in a small space. An objective of the present invention is to provide the automatic deployment apparatus of the fire extinguisher installed in the small space. According to the present invention, the fire extinguisher is used by a user pressing a handle, and the fire extinguisher can be deployed easily and conveniently with a simple structure. Therefore, an automatic fire extinguishing function can be performed inexpensively, easily and conveniently. The automatic deployment apparatus for the fire extinguisher installed in the small space of the present invention comprises: a support (300); and an actuator (100a).

Description

소공간에 설치된 소화기의 자동 전개장치{AUTOMATIC EXPANSION FOR FIRE EXTINGUISHING APPARATUS INSTALLED IN SMALL SPACE}Automatic deployment device of fire extinguisher installed in small space {AUTOMATIC EXPANSION FOR FIRE EXTINGUISHING APPARATUS INSTALLED IN SMALL SPACE}

본 발명은 소공간에 설치된 소화기의 자동 전개장치에 관한 것으로, 더욱 상세하게는 수·배전반과 같은 소공간에 설치된 소화기가 화재 발생 신호가 있을 때 자동으로 신속하고 정확하게 전개가 이루어지게 하여 화재를 초기에 진화할 수 있게 한 것이다. The present invention relates to an automatic deployment device for a fire extinguisher installed in a small space, and more particularly, to a fire extinguisher installed in a small space, such as a water/switchboard, by automatically and quickly and accurately deploying a fire when there is a fire signal. that allowed it to evolve into

일반적으로 수·배전반은 전선의 단부를 전기 부품에 연결하고 여러 방향으로 분배를 목적으로 설치하게 되므로, 전선의 연결 부분이나 분기 부분에 먼지가 부착되거나 절연 등이 제대로 이루어지지 않아 과열과 화재의 위험이 크다. 이에, 이러한 수·배전반과 같은 소공간에는, 아래의 (특허문헌 1) 내지 (특허문헌 3)과 같이, 화재가 발생했을 때 자동으로 진화할 수 있도록 자동 진화장치가 설치된다.In general, switchboards connect the ends of electric wires to electric parts and install them for distribution in various directions, so there is a risk of overheating and fire because dust is attached to the connecting or branched parts of the electric wire or insulation is not properly performed. this is big Accordingly, in such a small space such as a water switchboard, an automatic fire extinguishing device is installed to automatically extinguish a fire when a fire occurs, as in the following (Patent Document 1) to (Patent Document 3).

(특허문헌 1) 한국등록특허 제10-2154675호(Patent Document 1) Korean Patent No. 10-2154675

파손 봉으로 유리벌브를 때려 파손시키는 동시에 압축스프링의 팽창에 따른 파손봉의 한 방향 회전으로 압축스프링의 힘이 약해짐이 없이 차단막을 관통하여 소화약제를 분출시키는 유리벌브의 파손작동장치를 갖는 소공간용 자동소화시스템에 관한 것이다.A small space with a breakage operation device of the glass bulb that blows the glass bulb with a broken rod to break it, and at the same time ejects the fire extinguishing agent through the barrier without weakening the force of the compression spring due to the one-way rotation of the breaking rod according to the expansion of the compression spring. It relates to an automatic fire extinguishing system.

(특허문헌 2) 한국등록특허 제10-2048799호(Patent Document 2) Korean Patent No. 10-2048799

자동 소화장치로 이루어지는 소공간 자동 소화장치에 관한 것으로, 하부가 개방된 상태로 내측에 일정한 공간 및 소화약제가 비산하는 비산 공이 형성된 하우징 몸체와 하우징 몸체에 결합하는 연결관으로 이루어지는 하우징과; 하우징 내측 상부에 삼각형 형상으로 설치되는 스프링과; 분출공을 가지며 스프링의 탄성력에 의해 탱크가 결합한 방향으로 이동 가능하게 하우징의 내측에 설치되어 타격에 의해 차단막을 파손시켜 약재가 비산하게 하는 타격 부재와; 유리벌브를 지지할 수 있도록 타격 부재 내측에 설치되는 유리벌브 지지체와; 화재 발생시 열에 의해 파손될 수 있도록 타격 부재에 설치된 고정체와 유리벌브 지지체에 설치되는 유리벌브와; 스프링이 압축된 상태로 타격 부재와 함께 하우징에 설치될 수 있도록 하우징에 고정되는 유리벌브 지지체와 결합하는 고정핀과; 타격 핀에 의해 차단막이 파손되면서 내측에 가압된 소화약제가 분출되어 화재를 진압할 수 있도록 연결관에 결합하는 탱크를 포함하는 것을 특징으로 하며, 전기실에 설치된 배전반이나 각종 장비 또는 분전함, 변전함, 냉장고, 서버랙 등에 설치되어 화재가 발생하면 열에 의해 유리벌브가 깨지면서 타격 핀을 순간적으로 빠르게 이동시켜 탱크의 입구에 설치된 차단막을 타격해 가압상태로 저장된 소화약제를 분출시켜 초동 진화하므로 화재가 번지는 것을 방지할 수 있는 효과가 있다.It relates to a small space automatic fire extinguishing device comprising an automatic fire extinguishing device, comprising: a housing comprising a housing body having a constant space and a scattering ball formed inside of which a fire extinguishing agent scatters in a state in which a lower part is opened, and a connector coupled to the housing body; a spring installed in a triangular shape on the inner upper portion of the housing; a striking member having a jet hole and installed inside the housing to be movable in the direction in which the tank is coupled by the elastic force of the spring to break the blocking film by hitting and to scatter the medicinal material; a glass bulb support installed inside the striking member to support the glass bulb; a glass bulb installed on a fixture installed on the striking member and a glass bulb support to be damaged by heat in case of fire; a fixing pin coupled to a glass bulb support fixed to the housing so that the spring can be installed in the housing together with the striking member in a compressed state; It is characterized in that it includes a tank coupled to a connection pipe so that the fire extinguishing agent pressurized inside is ejected to extinguish the fire as the barrier is broken by the striking pin, When a fire occurs when installed in a refrigerator, server rack, etc., the glass bulb is broken by heat and the striking pin is moved momentarily and quickly to hit the barrier installed at the entrance of the tank and eject the fire extinguishing agent stored under pressure to extinguish the fire in the first time. has the effect of preventing it.

(특허문헌 3) 한국등록특허 제10-1900874호(Patent Document 3) Korean Patent No. 10-1900874

소화 약제를 이용한 소공간 자동소화장치에 관한 것으로, 하우징에 설치된 유리벌브가 화재의 열에 의해 파손되면서 하우징에 설치된 탄성체에 의해 이동 부재가 이동되고, 이동 부재에 결합된 타격 부재에 의해 압축된 소화 약제가 저장된 탱크의 막을 파손시켜 소공간으로 가압 된 소화 약제가 퍼져 나가 화재를 초기에 진압할 수 있도록 소공간에 설치되는 자동소화장치를 포함하는 것을 특징으로 하며, 분전함, 변전함, 냉장고, 서버랙 등과 같이 화재의 위험성이 큰 소공간에 화재의 발생시 열기에 의해 하우징 내측에 설치된 유리벌브가 깨지면서 탄성체의 탄성력에 의해 이동 부재가 이동하면서 타격 부재가 탱크의 입구를 막고 있는 막을 파괴하여 탱크에 가압된 소화 약제가 비산되어 초기에 화재의 진압이 용이한 효과가 있다.It relates to a small space automatic fire extinguishing device using a fire extinguishing agent, wherein the moving member is moved by an elastic body installed in the housing while a glass bulb installed in the housing is damaged by the heat of fire, and the fire extinguishing agent compressed by the striking member coupled to the moving member It is characterized in that it includes an automatic fire extinguishing device installed in a small space so that the fire extinguishing agent pressurized into the small space can spread to suppress the fire in the initial stage by breaking the membrane of the stored tank. When a fire occurs in a small space with a high risk of fire, such as when a fire occurs, the glass bulb installed inside the housing is broken by heat and the moving member moves by the elastic force of the elastic body. As the extinguishing agent is scattered, it has the effect of facilitating fire suppression in the early stage.

하지만, 기존의 자동 진화장치는 다음과 같은 문제가 있다.However, the existing automatic fire extinguishing device has the following problems.

(1) 구조가 복잡하여 제작에 어려움이 있을 뿐만 아니라 제조비용이 많이 필요하다.(1) It is difficult to manufacture because of its complex structure and requires a lot of manufacturing cost.

(2) 이는, 기존의 자동 진화장치가 고장이 나거나 수리를 하거나 유지보수를 하는데도 긴 걸릴 뿐만 아니라 유지보수 비용이 많이 늘어난다.(2) This not only takes a long time for the existing automatic fire extinguishing device to break down, repair, or perform maintenance, but also increases the maintenance cost a lot.

(3) 전기를 이용하거나 물리적인 힘이 가해져야 작동하게 구성함으로, 이러한 전기나 외력이 기존 자동 진화장치에 가해지지 않으면, 기존 자동 진화장치가 작동하지 않아 큰 화재로 이어질 수도 있다.(3) If electricity or external force is not applied to the existing automatic extinguishing device, the existing automatic extinguishing device does not work and may lead to a large fire.

한국등록특허 제10-2154675호 (등록일: 2020.09.04)Korean Patent Registration No. 10-2154675 (Registration Date: 2020.09.04) 한국등록특허 제10-2048799호 (등록일: 2019.11.20)Korean Patent Registration No. 10-2048799 (Registration Date: 2019.11.20) 한국등록특허 제10-1900874호 (등록일: 2018.09.14)Korean Patent Registration No. 10-1900874 (Registration Date: 2018.09.14)

본 발명은 이러한 점을 고려한 것으로, 손잡이를 눌러서 사용하는 소화기를 이용하되, 간단한 구조로 쉽고 편리하게 소화기가 전개할 수 있게 구성함으로써, 저렴하면서 쉽고 편리하게 자동 소화 기능을 수행할 수 있게 한 소공간에 설치된 소화기의 자동 전개장치를 제공하는데 그 목적이 있다.In consideration of this point, the present invention uses a fire extinguisher that is used by pressing the handle, but has a simple structure so that the fire extinguisher can be deployed easily and conveniently. The purpose is to provide an automatic deployment device of a fire extinguisher installed in the

이러한 목적을 달성하기 위한 본 발명에 따른 소공간에 설치된 소화기의 자동 전개장치는, 수·배전반을 포함하는 소공간에 설치되는 소화기(E)의 헤드 부분에 구성된 스위치 부분(P)을 눌러 분사하게 하는 소화기(E)를 자동으로 작동하게 하는 자동 소화장치에서; 스위치 부분(P) 위로 감쌀 수 있도록 소화기(E)에 고정되는 지지대(300); 및 상기 지지대(300)에 양단이 회전 지지가 되는 가이드에 구성되어 스위치 부분(P)을 강제로 눌러주는 캠(130), 및 상기 지지대(300)에 장착되어 캠(130)을 회전시켜 주는 구동모터(112)를 포함하는 액추에이터(100a)가 포함된 것을 특징으로 한다.Automatic deployment device of a fire extinguisher installed in a small space according to the present invention for achieving this object, press the switch part (P) configured in the head part of the fire extinguisher (E) installed in a small space including a water and switchboard to spray In an automatic fire extinguishing system that automatically activates a fire extinguisher (E); Support 300 fixed to the fire extinguisher (E) so as to wrap over the switch portion (P); and a cam 130 configured in a guide whose both ends are rotationally supported on the support 300 to forcibly press the switch portion P, and a drive mounted on the support 300 to rotate the cam 130 It is characterized in that the actuator (100a) including the motor (112) is included.

본 발명에 따른 소공간에 설치된 소화기의 자동 전개장치는 다음과 같은 효과가 있다.The automatic deployment device of a fire extinguisher installed in a small space according to the present invention has the following effects.

(1) 손으로 들고 다니면서 사용하는 소화기나 고정해 놓고 분사하게 하는 소화기를 수·배전반을 포함하는 소공간에 설치하여 화재 진압에 사용함으로, 자동 전개장치의 비용을 최소화하면서도 화재 진화 효과를 높일 수 있다.(1) By installing a hand-held fire extinguisher or a fire extinguisher that is fixed and sprayed in a small space including the switchboard and switchboard for fire suppression, the cost of the automatic deployment device can be minimized and the fire extinguishing effect can be increased. have.

(2) 특히, 스위치 부분을 감싸도록 소화기에 구성된 지지대에 설치된 액추에이터가 구동함에 따라 이 스위치 부분을 누르게 하여 자동 전개가 이루어지게 구성함으로써, 구조가 간단하면서도 쉽고 편리하게 화재를 진압할 수 있다.(2) In particular, as the actuator installed on the support configured in the fire extinguisher to surround the switch part is driven, the switch part is pressed to automatically deploy, so that the fire can be extinguished easily and conveniently with a simple structure.

(3) 이때, 상기 액추에이터가 회전함에 따라 캠이 상기 스위치 부분을 눌러 소화기 작동이 이루어지도록 구성함으로써, 액추에이터의 회전 운동을 이용하여 소화기 작동이 쉽고 원활하게 이루어질 수 있게 된다.(3) At this time, as the actuator rotates, the cam presses the switch portion to operate the fire extinguisher, so that the fire extinguisher can be operated easily and smoothly using the rotational movement of the actuator.

[도 1]은 본 발명에 따른 소공간에 설치된 소화기의 자동 전개장치 구성을 보여주는 도면으로, (a)는 정면도이고, (b)는 측면도이다.[Figure 1] is a view showing the configuration of an automatic deployment device of a fire extinguisher installed in a small space according to the present invention, (a) is a front view, (b) is a side view.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 더욱 상세히 설명하기로 한다. 이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 안 되며, 발명자는 그 자신의 발명을 최고의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 따라 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to their ordinary or dictionary meanings, and the inventor may properly define the concept of the term in order to best describe his invention. It should be interpreted as meaning and concept consistent with the technical idea of the present invention in accordance with the principle that it can.

따라서 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원 시점에서 이들을 대체할 수 있는 다양한 균등물과 변형례가 있을 수 있음을 이해하여야 한다.Accordingly, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiment of the present invention and do not represent all the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be variations and examples.

[자동전개 장치의 구성][Configuration of automatic deployment device]

본 발명에 따른 소공간에 설치된 소화기의 자동 전개장치는, [도 1]과 같이, 지지대(300), 그리고 액추에이터(100a)가 포함된다. 여기서, "소공간"은 수·배전반과 같이 크기가 작은 공간에 화재가 발생할 때 자동으로 소화할 수 있게 소화기를 설치하는 공간을, 도면번호 "E"는 소공간에 설치되는 소화기를 나타낸다.The automatic deployment device of a fire extinguisher installed in a small space according to the present invention includes a support 300 and an actuator 100a, as shown in FIG. 1 . Here, "small space" refers to a space in which a fire extinguisher is installed to automatically extinguish a fire when a fire occurs in a small space such as a water switchboard, and the reference number "E" refers to a fire extinguisher installed in a small space.

특히, 상기 지지대(300)는, [도 1]과 같이, 스위치 부분(P) 위로 덮을 수 있게 구성한다. 이때, 상기 지지대(300)는 스위치 부분(P)을 중심으로 양쪽에 서로 마주하는 부분을 구성함으로써, 이 부분에 후술할 액추에이터(100a)가 설치된다.In particular, the support 300 is configured to be covered over the switch portion P, as shown in FIG. 1 . At this time, the support 300 constitutes a portion facing each other on both sides of the switch portion P as a center, so that an actuator 100a, which will be described later, is installed in this portion.

또한, 상기 액추에이터(100a)는, [도 1]과 같이, 지지대(300)에 양단이 고정되는 가이드에 형성된 캠(130), 그리고 이 가이드를 강제로 회전시켜 주는 구동모터(112)가 포함된다. 이때, 캠(130)은 가이드가 회전하지 전에는 스위치 부분(P)이 눌리지 않게 하고 가이드 회전으로 스위치 부분(P)을 누를 수 있는 위치에 두는 것이 바람직하다. 또한, 상기 구동모터(112)는 가이드의 한쪽을 지지대(300) 밖으로 돌출하게 형성하여 그 끝에 연결할 수도 있고, 지지대(300) 안에 설치할 수도 있다.In addition, the actuator 100a includes a cam 130 formed on a guide having both ends fixed to the support 300, and a driving motor 112 for forcibly rotating the guide, as shown in FIG. 1 . . At this time, the cam 130 is preferably placed in a position where the switch portion (P) is not pressed before the guide rotates and the switch portion (P) can be pressed by the guide rotation. In addition, the driving motor 112 may be connected to one end of the guide to protrude out of the support 300 , or may be installed in the support 300 .

이상과 같이 이루어진 본 발명에 따른 소공간에 설치된 소화기의 자동 전개장치는 화재가 발생하여 화재 발생 신호가 상기 액추에이터에 입력되면 상기 구동모터(112)가 회전하게 되고, 이에 따라 상기 캠(130)이 회전하면서 상기 스위치 부분(P)을 눌러 소화기가 동작하게 한다.In the automatic deployment device of a fire extinguisher installed in a small space according to the present invention made as described above, when a fire occurs and a fire occurrence signal is input to the actuator, the drive motor 112 rotates, and accordingly, the cam 130 While rotating, press the switch part (P) to operate the fire extinguisher.

100a: 액추에이터
112: 구동모터
130: 캠
300: 지지대
E: 소화기
P: 스위치 부분100a: actuator
112: drive motor
130: cam
300: support
E: fire extinguisher
P: switch part

Claims (1)

수·배전반을 포함하는 소공간에 설치되는 소화기(E)의 헤드 부분에 구성된 스위치 부분(P)을 눌러 분사하게 하는 소화기(E)를 자동으로 작동하게 하는 자동 소화장치에서,
스위치 부분(P) 위로 감쌀 수 있도록 소화기(E)에 고정되는 지지대(300); 및
상기 지지대(300)에 양단이 회전 지지가 되는 가이드에 구성되어 스위치 부분(P)을 강제로 눌러주는 캠(130), 및 상기 지지대(300)에 장착되어 캠(130)을 회전시켜 주는 구동모터(112)를 포함하는 액추에이터(100a)가 포함된 것을 특징으로 하는 소공간에 설치된 소화기의 자동 전개장치.In an automatic fire extinguishing device that automatically activates the fire extinguisher (E) to spray by pressing the switch part (P) configured in the head part of the fire extinguisher (E) installed in a small space including a water switchboard,
Support 300 fixed to the fire extinguisher (E) so as to wrap over the switch portion (P); and
A cam 130 configured in a guide whose both ends are rotationally supported on the support 300 to forcibly press the switch part P, and a driving motor mounted on the support 300 to rotate the cam 130 Automatic deployment device of a fire extinguisher installed in a small space, characterized in that the actuator (100a) including (112) is included.
KR1020210108091A 2021-01-28 2021-08-17 Automatic expansion for fire extinguishing apparatus installed in small space KR20220109286A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101900874B1 (en) 2017-08-30 2018-09-21 전길숙 Automatic fire extinguishing system with small space using Fire extinguishing agent
KR102048799B1 (en) 2018-05-15 2019-11-26 육송(주) Automatic fire extinguishing device
KR102154675B1 (en) 2020-02-27 2020-09-10 육송(주) automatic fire extinguishing system for small space with glass bulb hit device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101900874B1 (en) 2017-08-30 2018-09-21 전길숙 Automatic fire extinguishing system with small space using Fire extinguishing agent
KR102048799B1 (en) 2018-05-15 2019-11-26 육송(주) Automatic fire extinguishing device
KR102154675B1 (en) 2020-02-27 2020-09-10 육송(주) automatic fire extinguishing system for small space with glass bulb hit device

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