KR101670499B1 - Fire doors that block of buildings in case of fire flames - Google Patents

Fire doors that block of buildings in case of fire flames Download PDF

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Publication number
KR101670499B1
KR101670499B1 KR1020160062960A KR20160062960A KR101670499B1 KR 101670499 B1 KR101670499 B1 KR 101670499B1 KR 1020160062960 A KR1020160062960 A KR 1020160062960A KR 20160062960 A KR20160062960 A KR 20160062960A KR 101670499 B1 KR101670499 B1 KR 101670499B1
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South Korea
Prior art keywords
panel
door
door panel
fire
sliders
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KR1020160062960A
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Korean (ko)
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위명희
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주식회사 나로이엔씨
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/162Fireproof doors having windows or other openings, e.g. for permitting ventilation or escape
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • A62C2/06Physical fire-barriers
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • A62C2/06Physical fire-barriers
    • A62C2/24Operating or controlling mechanisms
    • A62C2/241Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/14Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38Control 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
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/26Suspension arrangements for wings for folding wings
    • E05D15/262Suspension arrangements for wings for folding wings folding vertically
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/72Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08Roll-type closures
    • E06B9/11Roller shutters
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68Operating devices or mechanisms, e.g. with electric drive
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40Physical or chemical protection
    • E05Y2800/414Physical or chemical protection against high or low temperatures
    • E05Y2800/416Physical or chemical protection against high or low temperatures against fire
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/40Physical or chemical protection
    • E05Y2800/42Physical or chemical protection against smoke or gas

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Special Wing (AREA)

Abstract

The present invention relates to a firefighting door for blocking fire in case of building fire, and more particularly, to a firefighting door for blocking fire in case of building fire which blocks the fire area quickly when a fire occurs in a building to prevent human accidents due to toxic gases and flames as well as to secure a fire escape.

Description

건축물의 화재발생시 화염을 차단하는 소방용 출입문{Fire doors that block of buildings in case of fire flames}[0001] The present invention relates to a fire door for a building,

본 발명은 소방 기술 분야 중 건축물의 화재발생시 화염을 차단하는 소방용 출입문에 관한 것으로, 보다 상세하게는 건물 실내에 화재 발생시 신속하게 화재 발생구역을 차단하여 유독가스 및 화염으로 인한 인명사고를 예방함과 동시에 대피로의 확보가 가능하게 하기 위한 건축물의 화재발생시 화염을 차단하는 소방용 출입문에 관한 것이다.FIELD OF THE INVENTION The present invention relates to a fire exit door for preventing a flame when a fire occurs in a building, and more particularly, to a fire exit door for preventing fire accidents due to toxic gases and flames, The present invention relates to a door for a fire extinguishing system that blocks a flame when a fire occurs in a building to enable the escape route to be secured at the same time.

화재발생시 화재로 인한 인명안전은 화재발생장소에서 발생한 화열(火熱)에 의한 직접적인 영향뿐만 아니라, 화재기류에 의해 운반되어 건물 내로 확산되는 연기에 의하여 호흡곤란으로 인한 질식사로 이어져 인명피해가 더 커지는 문제점이 있었다.In the case of a fire, the safety of life caused by a fire is not only a direct effect of fire heat generated at the place where the fire occurs, but also caused by the smoke that is carried by the fire stream and diffused into the building, leading to suffocation due to dyspnea, .

즉, 고층 또는 대규모 건축물의 화재에서 수많은 희생자가 나올 때는 반드시라고 해도 좋을 만큼 연기가 주요원인이다.In other words, smoke is a major cause when many victims come out of a fire in a high-rise or large-scale building.

그 다음으로, 화염에 의해 직접적인 피해를 입는 경우가 많은데, 이는 고열에 의한 화상이 가장 큰 인명피해로 이어진다.Next, there are many cases of direct damage caused by flames, which causes burns due to high temperature to lead to the greatest casualties.

따라서, 고층 뿐만 아니라, 대규모 인원이 수용되는 건축물에는 실내와 실외를 구획하는 한편, 실내에서도 일정 구역별로 철재 형태의 방화문이 설치되어 운용되고 있다.Therefore, not only high-rise buildings but also large-scale buildings are divided into indoor and outdoor buildings, and fireproof doors of iron type are installed in certain areas in the interior.

그러나, 이와 같은 방화문은 외부에서 화재가 발생시 그 외부와의 차단효과는 얻을 수 있었으나, 실내에서 화재가 발생시 화염으로부터 실내에 잔류하고 있는 인명들을 보호하지 못하는 문제점이 있었다.However, such a fire door may have an effect of blocking the outside when a fire occurs from the outside, but it has a problem in that it can not protect the persons staying in the room from the fire when a fire occurs in the room.

대한민국 특허 등록번호 제10-1576614호(2015.12.04.) '건축물의 연기 차단구조를 갖는 방화문'Korea Patent Registration No. 10-1576614 (Apr. 20, 2015) 'Fire door with smoke blocking structure of buildings'

본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점들을 감안하여 이를 해결하고자 창출된 것으로, 건물 실내에 화재 발생시 신속하게 화재 발생구역을 차단하여 유독가스 및 화염으로 인한 인명사고를 예방함과 동시에 대피로의 확보가 가능하게 하기 위한 건축물의 화재발생시 화염을 차단하는 소방용 출입문을 제공함에 그 주된 목적이 있다.The present invention has been made in view of the above-mentioned problems in the prior art, and it is an object of the present invention to provide a method for preventing fire accidents due to toxic gases and flames, And a door for a fire extinguishment that blocks flames when a fire occurs in a building to enable securing of the fire.

본 발명은 상기한 목적을 달성하기 위한 수단으로, 구동모터(M)가 내장된 상부프레임(F)과, 상기 상부프레임(F)의 좌우 양측에 설치되는 판넬가이드(120) 및 상기 구동모터(M)의 회전방향에 따라 상기 판넬가이드(120)를 타고 하강하여 적층되는 형태로 실내 일정구역을 구획하는 스태킹 도어(Stacking Door) 형태의 절첩형 판넬(110)을 구비한 방화셔터(100)를 포함하고;The present invention provides a motorcycle comprising an upper frame F in which a drive motor M is installed, a panel guide 120 installed on both left and right sides of the upper frame F, And a folding panel 110 in the form of a stacking door for dividing a certain indoor space in a form of being stacked on the panel guide 120 in accordance with the rotation direction of the panel guide 120, Include;

상기 방화셔터(100)의 하측 일부에는 사람이 출입할 수 있도록 소방용 출입문(200)을 형성하되, 절첩형 판넬(110)중 일부인 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)이 길이방향으로 각각 일부가 절단되어 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)을 형성하고;A fire door 200 is formed in a lower part of the fire shutter 100 so that a person can enter and exit the fire door 100. The first panel 110a, the second panel 110b and the third panel 110b, which are part of the folding panel 110, The second door panel 116b and the third door panel 116c and the fourth door panel 116d are partially cut in the longitudinal direction so that the first door panel 110a, ≪ / RTI >

상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 각 일단에는 상기 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)의 일측단과 제1,2,3,4경첩(HN1,HN2,HN3,HN4)에 의해 각각 힌지 결합되며;The first panel 110a, the second panel 110b, and the second panel 110b are installed at one ends of the first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d, The third panel 110c and the fourth panel 110d and the first, second, third and fourth hinges HN1, HN2, HN3 and HN4, respectively;

상기 제1,2,3,4경첩(HN1,HN2,HN3,HN4)과 반대되는 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 각 타단에는 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)이 형성되고, 상기 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)과 대향되는 상기 제1,2,3,4판넬(110a,110b,110c,110d)에는 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)이 형성되며, 이들 사이를 활주하면서 잠금과 해제를 수행하는 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)가 형성되고;The first door panel 116a, the second door panel 116b, the third door panel 116c, the fourth door 116b, the third door panel 116b, and the third door panel 116c, which are opposite to the first, second, third, and fourth hinges HN1, HN2, HN3, The first, second, third, and fourth door panel grooves Ha, Hb, Hc, and Hd are formed at the other ends of the panel 116d, Third, and fourth panel grooves Ga, Gb, Gc, and Gd are formed on the first, second, third, and fourth panels 110a, 110b, 110c, First, second, third, and fourth sliders SL1, SL2, SL3, and SL4 that perform locking and unlocking operations while sliding between the first, second, third, and fourth sliders;

상기 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)의 내부에는 제1,2,3,4판넬홈자석(M1a,M1b,M1c,M1d)이 내장되며, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 단부에는 제1,2,3,4슬라이드자석(M2a,M2b,M2c,M2d)이 고정되고, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 표면에는 손잡이(118a,118b,118c,118d)가 고정되며;The first, second, third, and fourth panel grooves M1a, M1b, M1c, and M1d are embedded in the first, second, third, and fourth panel grooves Ga, Gb, Gc, and Gd, The first, second, third, and fourth slide magnets M2a, M2b, M2c, and M2d are fixed to the ends of the first, second, third, and fourth sliders SL1, SL2, SL3, The grips 118a, 118b, 118c, and 118d are fixed to the surfaces of the four sliders SL1, SL2, SL3, and SL4;

상기 상부프레임(F) 상에는 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)로 이루어진 소방용 출입문(200)의 오픈 클로즈를 검출하는 감지센서(SS)가 설치되고, 상기 감지센서(SS)는 컨트롤러(CC)로 연결되어 소화수 분사노즐(NN)의 온/오프를 제어하며;An open close of the fire door 200 made of the first door panel 116a, the second door panel 116b, the third door panel 116c and the fourth door panel 116d is formed on the upper frame F And a detection sensor SS for detecting the presence of the fire extinguishing water is connected to the controller CC to control on / off of the fire extinguishing water nozzle NN;

상기 절첩형 판넬(110) 중 가장 하측의 것에는 와이어수납대(112)가 더 설치되고, 상기 와이어수납대(112)에는 걸고리형 와이어(114)가 수납보관되며, 상기 걸고리형 와이어(114)는 상기 손잡이(118a,118b,118c,118d)에 걸어 고정하여 상기 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)을 일체로 연결고정하는 것을 특징으로 하는 건축물의 화재발생시 화염을 차단하는 소방용 출입문을 제공한다.The wire receiving part 112 is further provided at the lowest part of the folding type panel 110. The wire receiving part 112 holds and holds the hooked wire 114, The second door panel 116b, the third door panel 116c and the fourth door panel 116d by fixing the first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d by fixing them to the handles 118a, 118b, 118c, And a door for fire fighting to block flames when a fire occurs in a building.

본 발명에 따르면, 건물 실내에 화재 발생시 신속하게 화재 발생구역을 차단하여 유독가스 및 화염으로 인한 인명사고를 예방함과 동시에 대피로의 확보가 가능한 효과를 얻을 수 있다.According to the present invention, it is possible to prevent fire accidents due to toxic gases and flames by blocking the fire occurrence area quickly when a fire occurs in a building, and to secure an escape route.

도 1은 본 발명에 따른 방화셔터에 소방용 출입문이 설치된 예를 설명하는 예시도이다.
도 2는 본 발명에 따른 소방용 출입문의 설치구조를 확대하여 보인 예시도이다.
도 3은 도 2의 사용예를 보인 예시도이다.
도 4는 본 발명에 따른 방화셔터의 상단 방염 구조를 보인 부분 확대도이다.
1 is an explanatory view illustrating an example in which a fire door is installed in a fire shutter according to the present invention.
2 is an enlarged view of an installation structure of a fire door according to the present invention.
3 is an exemplary view showing the use example of Fig.
4 is a partially enlarged view showing the top flame proofing structure of the fire shutter according to the present invention.

이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명 설명에 앞서, 이하의 특정한 구조 내지 기능적 설명들은 단지 본 발명의 개념에 따른 실시예를 설명하기 위한 목적으로 예시된 것으로, 본 발명의 개념에 따른 실시예들은 다양한 형태로 실시될 수 있으며, 본 명세서에 설명된 실시예들에 한정되는 것으로 해석되어서는 아니된다.Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

또한, 본 발명의 개념에 따른 실시예는 다양한 변경을 가할 수 있고 여러 가지 형태를 가질 수 있으므로, 특정 실시예들은 도면에 예시하고 본 명세서에 상세하게 설명하고자 한다. 그러나, 이는 본 발명의 개념에 따른 실시예들을 특정한 개시 형태에 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변경물, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다.In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

도 1에 도시된 바와 같이, 본 발명은 건축물의 실내에서 일정 구역별로 설치되는 스태킹 도어(Stacking Door), 통상 방화셔터(100)라 칭하는 화염 차단부재가 운용되고 있다.As shown in FIG. 1, a stacking door, which is installed in a certain area in a room of a building, and a flame blocking member called a normal fire shutter 100 are operated.

이때, 상기 방화셔터(100)의 스택(Stack), 즉 다수의 절첩형 판넬(110)이 체인(미도시)에 의해 결속되어 있고, 이를 구동모터(M)가 회전되면서 화재시 하강시켜 구역별로 차단시켜 화염, 연기 등으로부터 방화셔터(100)를 기준으로 안과 밖을 구획시켜 보호하도록 하는 기능을 수행한다.At this time, a stack of the fire-fighting shutters 100, that is, a plurality of folding panels 110 are bound by a chain (not shown), and the drive motor M is lowered And functions to protect the inside and the outside of the flame from the flame, smoke or the like based on the fire shutter 100 and protect it.

이 경우, 상기 절첩형 판넬(110)은 양측의 판넬가이드(120)를 타고 하강하여 스택, 즉 서로 적층되면서 하나의 도어판넬을 형성하여 공간을 구획하게 되는 것이다.In this case, the folding panel 110 is lowered on the panel guides 120 on both sides, and stacked, that is, one door panel is formed while being stacked on each other to partition a space.

그리고, 상기 방화셔터(100)의 하측 일부에는 사람이 들고 날 수 있도록 일정크기의 소방용 출입문(200)이 형성된다.A fire door 200 having a predetermined size is formed on a lower portion of the fire shutter 100 so that a person can fly.

상기 소방용 출입문(200)은 비상 대피 뿐만 아니라, 실내 소화를 위해 소방관들이 드나들 수 있도록 하기 위한 도어라고 생각하면 된다.The fire-fighting door 200 can be thought of as a door for not only emergency evacuation but also for allowing firefighters to go inside for fire extinguishing.

여기에서, 상기 방화셔터(100)는 스태킹 도어 형태로서, 다수의 절첩형 판넬(110)이 스택되는 구조, 다시 말해 적층되는 구조이므로 소방용 출입문(200)이 단순히 열고 닫을 수 있는 구조로 만들기 어렵다.Here, the fire-fighting shutter 100 is a stacking door type in which a plurality of folding panels 110 are stacked, that is, stacked, so that it is difficult to make the fire-fighting door 200 simply open and close.

때문에, 본 발명에서는 최하단의 절첩형 판넬(110) 상에 와이어수납대(112)를 구비하고, 상기 와이어수납대(112)에는 걸고리형 와이어(114)가 수납보관된다.Therefore, in the present invention, the wire receiving table 112 is provided on the folding type bottom panel 110, and the hooked wire 114 is stored in the wire receiving table 112.

아울러, 상기 소방용 출입문(200)은 도 2의 예시와 같이, 절첩형 판넬(110)중 일부, 예를 들어 최하단으로부터 일정높이에 이르는 판넬을 예시적으로 설명하자면 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)이 길이방향으로 일부가 절단되어 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)이 된다.2, a part of the folding panel 110, for example, a panel extending from the lowermost end to a predetermined height may be exemplarily illustrated as a first panel 110a, a second panel 110a, The third panel 110c and the fourth panel 110d are partially cut in the longitudinal direction to form the first door panel 116a, the second door panel 116b, the third door panel 116c, And becomes the fourth door panel 116d.

그리고, 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 각 일단에는 상기 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)의 일측단과 제1,2,3,4경첩(HN1,HN2,HN3,HN4)에 의해 각각 힌지 결합된다.The first door panel 116a, the second door panel 116b, the third door panel 116c and the fourth door panel 116d are connected to the first panel 110a, the second panel HN1, HN2, HN3, and HN4, respectively, at one end of the third panel 110b, the third panel 110c, and the fourth panel 110d.

따라서, 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d) 각각은 상기 제1,2,3,4경첩(HN1,HN2,HN3,HN4)에 의해 개폐가능하게 구성된다.Accordingly, the first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d are connected to the first, second, third, and fourth hinges HN1, HN2 , HN3, HN4).

그런데, 상기 제1,2,3,4경첩(HN1,HN2,HN3,HN4)과 반대단은 절단된 상태 그대로이므로 판넬이 절첩될 때 덜렁거리는 불량, 적층이 안되는 불량이 야기 될 수 있으므로 이를 방지하기 위해 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 타단, 즉 상기 제1,2,3,4경첩(HN1,HN2,HN3,HN4)과 반대단에는 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)이 형성되고, 상기 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)과 대향되는 상기 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)에는 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)이 형성되며, 이들 사이를 활주하면서 잠금과 해제를 수행하는 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)가 형성된다.However, since the opposite ends to the first, second, third and fourth hinges HN1, HN2, HN3 and HN4 are in a cut state, when the panel is folded, The other end of the first door panel 116a, the second door panel 116b, the third door panel 116c and the fourth door panel 116d, that is, the first, second, third and fourth hinges HN1 The first, second, third and fourth door panel grooves Ha, Hb, Hc and Hd are formed on the opposite sides of the first, second, third and fourth door panel grooves Ha, Third, and fourth panel grooves Ga, Hb, Hc, and Hd are formed in the first panel 110a, the second panel 110b, the third panel 110c, and the fourth panel 110d, , Gb, Gc, and Gd are formed, and the first, second, third, and fourth sliders SL1, SL2, SL3, and SL4 that slide and slide between the first, second, third, and fourth sliders are formed.

그리고, 상기 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)의 내부에는 제1,2,3,4판넬홈자석(M1a,M1b,M1c,M1d)이 내장되고, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 단부에는 제1,2,3,4슬라이드자석(M2a,M2b,M2c,M2d)이 고정된다.The first, second, third, and fourth panel home magnets M1a, M1b, M1c, and M1d are embedded in the first, second, third, and fourth panel grooves Ga, Gb, Gc, The first, second, third and fourth slide magnets M2a, M2b, M2c and M2d are fixed to the ends of the first, second, third and fourth sliders SL1, SL2, SL3 and SL4.

따라서, 평상시에는 상기 제1,2,3,4슬라이드자석(M2a,M2b,M2c,M2d)이 상기 제1,2,3,4판넬홈자석(M1a,M1b,M1c,M1d)에 흡착되어 있기 때문에 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)과; 상기 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)는 각각 일체를 이루고 있으므로 스태킹 동작하는데는 전혀 문제가 없다.Accordingly, the first, second, third, and fourth slide magnets M2a, M2b, M2c, and M2d are normally attracted to the first, second, third, and fourth panel home magnets M1a, M1b, M1c, and M1d The first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d; Since the first panel 110a, the second panel 110b, the third panel 110c and the fourth panel 110d are integrally formed, there is no problem in stacking operation.

또한, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 표면에는 이를 움직일 수 있는 손잡이(118a,118b,118c,118d)가 고정되는데, 상기 손잡이(118a,118b,118c,118d)는 봉형상으로 형성되고 이를 잡고 움직일 수 있도록 각 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d) 상에는 손잡이이동홈(도면번호 생략)이 형성되어 있다.The grips 118a, 118b, 118c and 118d are fixed to the surfaces of the first, second, third and fourth sliders SL1, SL2, SL3 and SL4. And 118d are formed in the shape of a bar and are provided on the first door panel 116a, the second door panel 116b, the third door panel 116c, (Not shown) are formed.

그러다가 스택이 완료되어 방화기능, 방염기능이 가능한 상태가 되면 비상대피를 위해 혹은 소방관 출입을 위해 걸고리형 와이어(114)를 꺼내 도 3과 같은 형태로 상기 손잡이(118a,118b,118c,118d)에 걸어 고정한다.When the stack is completed and the fire protection function and the flame proof function are enabled, the hook-shaped wire 114 is taken out for emergency evacuation or for accessing the firefighter, and the hooks 118a, 118b, 118c and 118d Hang and fix.

이때, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)는 도시상 좌측방향, 즉 자석이 흡착되어 있다가 떨어진 상태를 유지하여 각 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)이 열릴 수 있는 상태가 되도록 사전에 준비되어야 한다.At this time, the first, second, third, and fourth sliders SL1, SL2, SL3, and SL4 are leftward in the figure, that is, magnets are attracted to the first door panel 116a, The door panel 116b, the third door panel 116c and the fourth door panel 116d can be opened.

그런 다음, 상기 걸고리형 와이어(114)를 걸어 고정한 상태에서 걸고리형 와이어(114)를 당기면 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)를 한꺼번에 열 수 있게 된다.Then, when the hook-shaped wire 114 is pulled while the hook-shaped wire 114 is fixed by hanging, the first door panel 116a, the second door panel 116b, the third door panel 116c, The door panel 116d can be opened at once.

그리고, 도 4에서와 같이, 앞서 설명한 구동모터(M)가 설치되는 상부프레임(F) 상에는 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)로 이루어진 소방용 출입문(200)의 오픈 클로즈를 검출하는 감지센서(SS)가 설치되고, 상기 감지센서(SS)는 컨트롤러(CC)로 연결되어 소화수 분사노즐(NN)의 온/오프를 제어하게 된다.4, the first door panel 116a, the second door panel 116b, the third door panel 116c, and the second door panel 116b are mounted on the upper frame F on which the drive motor M described above is installed. A detection sensor SS for detecting the open close of the fire door 200 is installed and the detection sensor SS is connected to the controller CC to detect the opening degree of the fire extinguishing water nozzle NN Thereby controlling on / off.

이 경우, 상기 소화수 분사노즐(NN)은 상기 소방용 출입문(200) 전방으로 향해 분사하도록 경사 배치되며, 소방용 출입문(200)이 개방되는 순간 일정시간 동안 분사되게 하여 화염과 열기가 소방용 출입문(200) 쪽으로 흘러 들어오지 못하도록 수막, 즉 물커튼을 형성하도록 함으로써 비상대피자들은 물론 접근하는 소방관들의 안전을 보호하도록 동작하게 된다.In this case, the fire extinguishing water injection nozzle NN is inclined to be sprayed toward the forward direction of the fire door 200, and the fire door 200 is sprayed for a predetermined time instant when the fire door 200 is opened, ), So that the non-opponent pizzas, of course, operate to protect the safety of the approaching firefighters.

이에 더하여, 상기 방화셔터(100) 전체는 방화능력이 뛰어나 내화코팅액으로 코팅되게 하여 내화성을 구비토록 함으로써 방화기능을 충실히 수행할 수 있도록 함이 더욱 바람직하다.In addition, it is preferable that the entire fire-fighting shutter 100 is excellent in fire resistance so that it is coated with a fire-resistant coating liquid so as to have fire resistance, thereby faithfully performing the fire-fighting function.

이러한 내화코팅액으로는 폴리스티렌수지 100중량부에 대해 팽창흑연 15중량부; 수산화알루미늄 10중량부; 산화제2철:20중량부; 지르코늄 5중량부; 이소펜탄 10중량부; 방향족 폴리아민 5중량부; 폴리락트산 10중량부, 알루미나 분말 4중량부, 이트리아 2중량부, 2-히드록시에틸메타크릴산(2-HEMA) 3중량%, 실리콘 3중량%, CZ(N-cyclohexybenzothiazole-2-sulfenamide) 4중량부, 아미노프로필트리에톡시실란 3중량부, 몬모릴로나이트 3중량부, Ds(Dichlorodimethylsilane) 5중량부, 스테아린산칼슘 4중량부로 이루어지며, 이 내화코팅액은 통상 1mm-3mm의 두께 범위로 코팅됨이 바람직하다.As the refractory coating solution, 15 parts by weight of expanded graphite was added to 100 parts by weight of polystyrene resin; 10 parts by weight of aluminum hydroxide; Ferric oxide: 20 parts by weight; Zirconium 5 parts by weight; 10 parts by weight of isopentane; 5 parts by weight of aromatic polyamine; 10 parts by weight of polylactic acid, 4 parts by weight of alumina powder, 2 parts by weight of yttria, 3% by weight of 2-hydroxyethylmethacrylic acid (2-HEMA), 3% by weight of silicone, N-cyclohexybenzothiazole- 4 parts by weight of aminopropyltriethoxysilane, 3 parts by weight of montmorillonite, 5 parts by weight of Ds (Dichlorodimethylsilane) and 4 parts by weight of calcium stearate. The refractory coating solution is usually coated to a thickness of 1 mm to 3 mm desirable.

여기에서, 상기 폴리스티렌수지는 내열성과 내충격성이 뛰어나며 혼용성을 높이기 위해 첨가된다.Here, the polystyrene resin is excellent in heat resistance and impact resistance and is added to enhance compatibility.

그리고, 상기 팽창흑연(Exandable Graphite)은 그라파이트의 층상 구조를 갖기 때문에 그 층상 사이에 원자나 작은 분자를 집어 넣고 열을 가할 경우 아코디언처럼 분리가 되면서 입자가 수 백배 팽창하게 되는 현상을 이용하여 난연 플라스틱, 난연 EPS, 난연 우레탄폼 등 다양한 분야에서 활용되는 물질이다.Because the expanded graphite has a layered structure of graphite, when particles or small molecules are inserted between the layers and heat is applied, the particles are separated as an accordion and are expanded several hundred times, , Flame retardant EPS, and flame retardant urethane foam.

또한, 상기 수산화알루미늄은 수지의 소수화를 막고 친수화를 유도하여 결합력을 높이기 위해 첨가된다.In addition, the aluminum hydroxide is added to prevent hydrophobicity of the resin and induce hydrophilization to increase the bonding force.

아울러, 상기 산화제2철은 내후성과 내알카리성을 확보하기 위해 첨가되며, 상기 첨가량을 벗어나면 입도가 거칠어지면서 혼합 교반성을 떨어뜨려 성형성을 저해하거나 혹은 심재의 내후성과 내알카리성을 떨어뜨리므로 상기 범위로 한정되어야 한다.In addition, the ferric oxide is added in order to ensure weatherability and alkali resistance. If the amount of the ferric oxide is out of the above range, the grain size becomes coarse to deteriorate the mixing agility to deteriorate the moldability or deteriorate the weatherability and alkali resistance of the core material. .

그리고, 상기 지르코늄은 화재발생시 공기중의 산소와 결합하여 산화물 또는 질소화물로 된 보호피막을 형성하여 내화성과 난연성을 증대시키기 위해 첨가된다.The zirconium is added in order to increase the fire resistance and the flame retardancy by forming a protective coating made of an oxide or a nitrogen by bonding with oxygen in the air when a fire occurs.

뿐만 아니라, 상기 이소펜탄은 발포제로 첨가된다.In addition, the isopentane is added as a foaming agent.

또한, 상기 방향족 폴리아민은 경화를 촉진하기 위해 첨가된다.In addition, the aromatic polyamines are added to promote curing.

아울러, 상기 폴리락트산은 합성고분자 타입의 수지로서 내습성, 가공성이 우수한 물성이 있으며, 용융온도는 150-200℃이고, 연성에 의한 연질화, 인장강도, 신장율을 향상시키는 특성이 있어 코팅층의 기계적 강도를 향상시키는데 기여하게 된다.The polylactic acid is a synthetic polymer type resin having excellent moisture resistance and processability and has a melting temperature of 150 to 200 DEG C and has properties of improving softness, tensile strength and elongation by ductility, Thereby contributing to enhancement of strength.

그리고, 상기 알루미나는 알루미늄과 산소의 화합물로서, 상기 이트리아와 결합하여 복합산화물막을 형성함으로써 내화성능을 향상을 위해 사용된다.The alumina is a compound of aluminum and oxygen, and is used for improving the refractory performance by bonding with the yttria to form a composite oxide film.

아울러, 상기 2-히드록시에틸메타크릴산(2-HEMA)은 빛과 수분에 민감하고 모노머는 친수성을 띠는데 본 발명에서는 조성물의 안정화를 위해 첨가된다.In addition, the 2-hydroxyethylmethacrylic acid (2-HEMA) is sensitive to light and moisture, and the monomer is hydrophilic. In the present invention, it is added to stabilize the composition.

또한, 상기 실리콘은 대표적인 발수기능을 수행하는 것으로, 방습성을 높여 방화성을 증대시키기 위해 첨가된다.In addition, the silicone performs a typical water-repellent function and is added in order to increase moisture resistance and increase fire resistance.

뿐만 아니라, 상기 CZ(N-cyclohexybenzothiazole-2-sulfenamide)는 방오층(70)의 표면 슬립성을 증대시켜 이물 부착성을 극대화시키기 위해 첨가된다.In addition, CZ (N-cyclohexybenzothiazole-2-sulfenamide) is added to increase the surface slip property of the antifouling layer 70 to maximize foreign matter adhesion.

아울러, 상기 아미노프로필트리에톡시실란은 수지와 무기계 첨가물들의 커플링성을 증대시키기 위해 첨가되며, 특히 결합성, 접착성, 표면강도를 높이는데 기여한다.In addition, the aminopropyltriethoxysilane is added in order to increase the coupling property between the resin and the inorganic additives, and particularly contributes to enhance bonding property, adhesiveness, and surface strength.

또한, 상기 몬모닐로나이트는 일종의 무기필러로서 기계적 물성을 증대시키기 위해 첨가되며, 상기 Ds(Dichlorodimethylsilane)는 강한 소수성을 가진 물질로서, 방오기능 향상을 위해 첨가된다.Further, the monomonylonite is added as an inorganic filler in order to increase mechanical properties, and Ds (dichlorodimethylsilane) is a substance having strong hydrophobicity and is added for the purpose of improving antifouling function.

그리고, 상기 스테아린산칼슘은 분산제로서 윤활기능을 촉진하여 첨가물들의 균질한 분산성을 유도하기 위해 첨가된다.The calcium stearate is added as a dispersant in order to promote the lubricating function and induce homogeneous dispersibility of the additives.

본 발명에 따른 내화코팅액이 코팅된 코팅층의 내화특성을 확인하기 위해, 상술한 조성으로 이루어진 내화액을 철판에 2.5mm의 두께로 코팅한 후 경화시켰다.In order to confirm the refractory characteristics of the coating layer coated with the refractory coating solution according to the present invention, the refractory solution having the above composition was coated on the steel plate to a thickness of 2.5 mm and then cured.

그런 다음, 내화도 테스트 방법인 KS F2271에 의해 검측하였으며, 검측 결과 내화 2등급을 만족하는 결과를 얻을 수 있었다.Then, the fire resistance test method, KS F2271, was used to measure the fire resistance.

100: 방화셔터 200: 소방용 출입문100: fire shutter 200: fire exit door

Claims (1)

구동모터(M)가 내장된 상부프레임(F)과, 상기 상부프레임(F)의 좌우 양측에 설치되는 판넬가이드(120) 및 상기 구동모터(M)의 회전방향에 따라 상기 판넬가이드(120)를 타고 하강하여 적층되는 형태로 실내 일정구역을 구획하는 스태킹 도어(Stacking Door) 형태의 절첩형 판넬(110)을 구비한 방화셔터(100)를 포함하고;
상기 방화셔터(100)의 하측 일부에는 사람이 출입할 수 있도록 소방용 출입문(200)을 형성하되, 절첩형 판넬(110)중 일부인 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)이 길이방향으로 각각 일부가 절단되어 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)을 형성하고;
상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 각 일단에는 상기 제1판넬(110a), 제2판넬(110b), 제3판넬(110c), 제4판넬(110d)의 일측단과 제1,2,3,4경첩(HN1,HN2,HN3,HN4)에 의해 각각 힌지 결합되며;
상기 제1,2,3,4경첩(HN1,HN2,HN3,HN4)과 반대되는 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)의 각 타단에는 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)이 형성되고, 상기 제1,2,3,4도어판넬홈(Ha,Hb,Hc,Hd)과 대향되는 상기 제1,2,3,4판넬(110a,110b,110c,110d)에는 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)이 형성되며, 이들 사이를 활주하면서 잠금과 해제를 수행하는 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)가 형성되고;
상기 제1,2,3,4판넬홈(Ga,Gb,Gc,Gd)의 내부에는 제1,2,3,4판넬홈자석(M1a,M1b,M1c,M1d)이 내장되며, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 단부에는 제1,2,3,4슬라이드자석(M2a,M2b,M2c,M2d)이 고정되고, 상기 제1,2,3,4슬라이더(SL1,SL2,SL3,SL4)의 표면에는 손잡이(118a,118b,118c,118d)가 고정되며;
상기 상부프레임(F) 상에는 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)로 이루어진 소방용 출입문(200)의 오픈 클로즈를 검출하는 감지센서(SS)가 설치되고, 상기 감지센서(SS)는 컨트롤러(CC)로 연결되어 소화수 분사노즐(NN)의 온/오프를 제어하며;
상기 절첩형 판넬(110) 중 가장 하측의 것에는 와이어수납대(112)가 더 설치되고, 상기 와이어수납대(112)에는 걸고리형 와이어(114)가 수납보관되며, 상기 걸고리형 와이어(114)는 상기 손잡이(118a,118b,118c,118d)에 걸어 고정하여 상기 제1도어판넬(116a), 제2도어판넬(116b), 제3도어판넬(116c), 제4도어판넬(116d)을 일체로 연결고정하는 것을 특징으로 하는 건축물의 화재발생시 화염을 차단하는 소방용 출입문.
A panel guide 120 provided on both left and right sides of the upper frame F and an upper frame F mounted on the panel guide 120 along the rotation direction of the driving motor M, (100) having a folding panel (110) in the form of a stacking door for dividing an indoors fixed area in a form of being stacked by being lowered and stacked on the folding door (110);
A fire door 200 is formed in a lower part of the fire shutter 100 so that a person can enter and exit the fire door 100. The first panel 110a, the second panel 110b and the third panel 110b, which are part of the folding panel 110, The second door panel 116b and the third door panel 116c and the fourth door panel 116d are partially cut in the longitudinal direction so that the first door panel 110a, ≪ / RTI >
The first panel 110a, the second panel 110b, and the second panel 110b are installed at one ends of the first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d, The third panel 110c and the fourth panel 110d and the first, second, third and fourth hinges HN1, HN2, HN3 and HN4, respectively;
The first door panel 116a, the second door panel 116b, the third door panel 116c, the fourth door 116b, the third door panel 116b, and the third door panel 116c, which are opposite to the first, second, third, and fourth hinges HN1, HN2, HN3, The first, second, third, and fourth door panel grooves Ha, Hb, Hc, and Hd are formed at the other ends of the panel 116d, Third, and fourth panel grooves Ga, Gb, Gc, and Gd are formed on the first, second, third, and fourth panels 110a, 110b, 110c, First, second, third, and fourth sliders SL1, SL2, SL3, and SL4 that perform locking and unlocking operations while sliding between the first, second, third, and fourth sliders;
The first, second, third, and fourth panel grooves M1a, M1b, M1c, and M1d are embedded in the first, second, third, and fourth panel grooves Ga, Gb, Gc, and Gd, The first, second, third, and fourth slide magnets M2a, M2b, M2c, and M2d are fixed to the ends of the first, second, third, and fourth sliders SL1, SL2, SL3, The grips 118a, 118b, 118c, and 118d are fixed to the surfaces of the four sliders SL1, SL2, SL3, and SL4;
An open close of the fire door 200 made of the first door panel 116a, the second door panel 116b, the third door panel 116c and the fourth door panel 116d is formed on the upper frame F And a detection sensor SS for detecting the presence of the fire extinguishing water is connected to the controller CC to control on / off of the fire extinguishing water nozzle NN;
The wire receiving part 112 is further provided at the lowest part of the folding type panel 110. The wire receiving part 112 holds and holds the hooked wire 114, The second door panel 116b, the third door panel 116c and the fourth door panel 116d are fixed to the first door panel 116a, the second door panel 116b, the third door panel 116c, and the fourth door panel 116d by being fixed to the handles 118a, 118b, 118c, And a fire-proofing door for blocking a flame when a fire occurs in a building.
KR1020160062960A 2016-05-23 2016-05-23 Fire doors that block of buildings in case of fire flames KR101670499B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538083A (en) * 2018-10-22 2019-03-29 申贵喜 A kind of fire-proof and theft-proof entry door
CN110984808A (en) * 2019-11-04 2020-04-10 陕西威斯特高新技术投资有限公司 A prevent fire door for building automation usefulness
KR102262150B1 (en) * 2020-12-28 2021-06-09 주식회사 신일이앤씨 Fireproof system with heat insulating function and fire extinguishing function
KR102336285B1 (en) * 2021-04-20 2021-12-08 (주)유진씨엔이 Fire extinguishing system in the early in case of fire in apartment houses

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KR20150076469A (en) * 2013-12-27 2015-07-07 홍순모 Fire-screen shutter combined magnetic shape memory wire emergency door
KR101576614B1 (en) 2015-11-03 2015-12-10 (주)종합건축사사무소동우건축 Fire door with Smoke cutoff structure

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KR100734784B1 (en) * 2006-02-22 2007-07-03 주식회사 월드에프엔에스 Integrated style automatic fire shutter
KR20110111617A (en) * 2010-04-05 2011-10-12 김동선 A steel shutter having a door is made from an insulating material
KR101034384B1 (en) * 2010-10-22 2011-05-20 주식회사 에스에프앤에스 Emergency escape shutter
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538083A (en) * 2018-10-22 2019-03-29 申贵喜 A kind of fire-proof and theft-proof entry door
CN109538083B (en) * 2018-10-22 2020-05-12 潘素娇 Fire-proof anti-theft entrance door
CN110984808A (en) * 2019-11-04 2020-04-10 陕西威斯特高新技术投资有限公司 A prevent fire door for building automation usefulness
KR102262150B1 (en) * 2020-12-28 2021-06-09 주식회사 신일이앤씨 Fireproof system with heat insulating function and fire extinguishing function
KR102336285B1 (en) * 2021-04-20 2021-12-08 (주)유진씨엔이 Fire extinguishing system in the early in case of fire in apartment houses

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