• Title/Summary/Keyword: Fire alarm system

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A study on the design of a general-purpose automatic fire detection system based on a private wireless network of the fire fighting communication frequency band (소방통신 주파수 대역 자가 무선망 기반 범용 자동 화재 탐지 시스템 설계를 위한 연구)

  • Kim, Minyoung;Choi, Donggyu;Jang, Jongwook
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2021.05a
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    • pp.246-248
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    • 2021
  • This paper proposes a new general-purpose automatic fire detection system. And it deals with the contents of related research on how to design and develop for this system. The proposed system automatically notifies the user and the nearby fire department when a fire breaks out in a place where a fire alarm is installed. If this is the case, the nearby fire department can quickly confirm this fact and extinguish the fire at an early stage, thereby reducing human and property damage. The main targets of this system are houses and small buildings. The proposed fire alarm functions as a conventional fire alarm, and if a fire occurs, this fact is immediately transmitted to a nearby receiver through wireless data communication. The receiver in this paper communicates data using Korea's firefighting communication frequency band, and establishes one own network by installing it in various places to quickly receive fire alarm data at any time.

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A Study on the Smart Fire Detection System using the Wireless Communication (무선통신을 이용한 스마트 화재감지 시스템에 관한 연구)

  • Chung, Byoung-Chan;Na, Wonshik
    • Journal of Convergence Society for SMB
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    • v.6 no.3
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    • pp.37-41
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    • 2016
  • In this paper, we propose a fire alarm system that utilizes Wi-Fi to alarm multiple people at once. This system, based on Arduino, uses smoke, flame and temperature sensor units to sense fire and send detection data to a server via wireless communication system. The server uses stored data to relay current fire situations gathered from nearby sensors to smartphones. It also automatically reports the fire using location data from sensors. Using this system, we were able to retrieve fire alarm from sensors via push notification of our smartphone. We also confirmed the establishment of linkage with sensors and automatic report of fire via SMS. From this result, the possibility of sending real-time notifications via the Internet toward nearby smartphones about disasters such as conflagration has been proven to be feasible.

Development of a Single Fire Alarm System of House Based on Wireless Communication (무선 감응식 주택 단독 화재 경보 시스템 개발)

  • Park, Hyeon-Ho;Cho, Seong-Jin;Park, Byeong-Hwa;Heo, Jeong-Hun;Ko, Yun-Seok
    • The Journal of the Korea institute of electronic communication sciences
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    • v.13 no.5
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    • pp.1017-1022
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    • 2018
  • In this paper, a single house fire alarm device, which can solve the problem of fire perception at midnight time and the attenuation of alarm signal due to the wall between rooms based on the wireless communication, was developed. The radio controlled fire alarm device was designed to allow fire to be recognized quickly and accurately by monitoring the temperature and $CO_2$ concentration based on the temperature sensor and gas sensor, by detecting the fire in the house and by transmitting the fire alarm to the individual wireless alarms of other rooms using the wireless transmission/reception module. Using the Arduino as a main control device, three independent fire alarm device prototypes were made, and their usefulness was verified by the correct operations in temperature and gas tests.

Prediction and Reduction of Alarm Sound Propagated through Elevator Shaft (엘리베이터 샤프트를 통한 경보음 전달 예측과 개선)

  • Jeong, Jeong-Ho
    • Fire Science and Engineering
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    • v.33 no.4
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    • pp.89-96
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    • 2019
  • In this study, alarm sound generated as a priority alert system propagation through an elevator shaft in apartment buildings were simulated using room acoustic simulation software. The simulations were conducted on three kinds of elevator hall plan with a different number of elevators and placement. First, the elevator shaft without sound absorption material was simulated as a condition of the present. When the distance from the alarm sound generating floor became farther, alarm sound level was decreased. However, the alarm sound level three-floor distance was about 54 dB(A)~56 dB(A) which were louder than a background sound level of typical apartment buildings. Sound absorption material placement proposed by previous studies were simulated and the alarm sound levels were decreased about 12 dB~16 dB. These levels were similar or lower than the background level of apartment buildings. From these results, it can be concluded that placing sound absorption material on the surface of the elevator shaft wall can be one of the methods to control the alarm sound as regulated in NFSC.

RECENT RESEARCH TREND OF THE FIRE DETECTION SYSTEM

  • Baek, Dong-Hyun
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 1997.11a
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    • pp.507-517
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    • 1997
  • As structures are higher, large-sized and more complex, we should detect the fire at the beginning and cope with it to reduce the loss of mankind and the physical damage due to fire. So we have investigated and developed various kinds of fire detection system, and do the efforts for minimizing the nonfire alarm. As there exists a close relationship between the technology development and the market potential, a comparison between the number of fires in special buildings and detection types were made to find out market potential based on the annual statistics on fire products inspection. In addition, we have discussed the causes of nonfire alarm and the fire detection system and prospect the research trend of the fire detection system.

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A Plan of Existing System Interface within Station (역사내 기존 시스템 인터페이스 방안)

  • Lee, Won-Jae;An, Tae-Ki;Shin, Jeong-Ryol
    • Proceedings of the KSR Conference
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    • 2011.05a
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    • pp.1550-1555
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    • 2011
  • This paper presents the system interface standard that are associated with additional devices like sensor nodes as well as fire monitoring panel, panic button and emergency call in city railroad environment. Existing fire monitoring panel, panic button and emergency call system is responsible for fire detection and alarm, emergency alarm and communication with the manager. Recently, researches that are associated with NVR-based intelligent integrated surveillance systems and existing alarm system are activated but most of the system is dedicated to it existing. In order to expand devices that is supported other monitoring function, separate device configuration or modification of integrated surveillance system are inevitable. In this study, interface standard between standard controller, integrated command center and each device that facilitate additional expansion of integrated surveillance system and avoid the extra cost is presented.

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Development of a Digital Home Electric Overload Alarm Performance Evaluation System for Smart Home Automation (스마트 주택 자동화를 위한 주택 전기과부하 경보 성능 평가 시스템 개발)

  • Ko, Yun-Seok
    • The Journal of the Korea institute of electronic communication sciences
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    • v.14 no.2
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    • pp.339-344
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    • 2019
  • In this paper, a digital home electric overload alarm system based on DSP for smart home automation which can minimize electrical fire damage caused by an home electrical overload was made experimentally. To verify the validity of the home electrical overload alarm technology, an electric overload alarm performance evaluation system which can artificially generate the electrical overloads was designed, developed, and constructed, and the effectiveness of the overload alarm developed by the overload test was verified. In particular, an overload test EMTP model based on EMTP-RV was developed, and simulation and measurement results obtained from the overload test were compared, and the reliability of overload performance verification results was confirmed.

Developing Intelligent Control Modules with LonTalk Protocol for Intelligent Building System & Home Automation

  • Hong, Won-Pyo;Kim, Dong-Hwa;Lee, Sung-Hak
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2002.11a
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    • pp.355-361
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    • 2002
  • There are many economic and operational reasons to integrate fire alarm signaling system with other building automation system. Integration of this requires open network with for the standard communication protocol and careful design practices. The important point for this is also the development of intelligent control modules for replacing the conventional zone adapter in fire system. Therefore, this paper proposes an new conceptual design of the open distributed fire alarm signaling system for the integration of BAS, a new intelligent control modules with LonTalk protocol and a new control modules for power line communication. Newly proposed additions to LonWorks network make it very well suited for integrating fire systems with other building automation sub-systems and another BAS with low cost. Additionally, it is very important that best design practices, test procedures and building codes need to be modernized to accommodate integrated building systems.

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A Study on the Prevention and Extinguishment of Fire in Vinyl Temporary Buildings for Agriculture and Fishery (농·어업용 Vinyl 가설건축물의 화재 예방 및 진압에 관한 연구)

  • Bong-Woo Lee;Kyong-Jin Park
    • Journal of the Korean Society of Industry Convergence
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    • v.26 no.4_2
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    • pp.599-603
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    • 2023
  • Analyzed in the NFDS, The average number of fires in vinyl temporary buildings is more than 1,000 in annually. And the number of deaths and injuries was around 30 people in every year. According to the National Fire Agency, There are 142,386 vinyl temporary buildings for Agriculture and Fishery, of which 4,720 are residential vinyl temporary buildings in illegally. Model house is subject to regulation in fire-related law. But, even though it's the same temporary building, Vinyl temporary building is not subject to regulation. For this reason, Vinyl temporary buildings are left in the blind spot of fire safety. Therefore, In this study, We propose that amend of Act on installation and management of firefighting systems, make of temporary fire safety controller, develop and apply of alarm system that is connected to a single-alarm smoke dretector, organize and operate volunteer fire brigade of the crop group to prevent and extinguish the fire.