• Title/Summary/Keyword: Fire Alarm System

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Localization of People at Risk based on the Fire Alarm Networks and Bluetooth (화재경보망과 블루투스 기반으로 위험에 처한 사람의 위치 파악)

  • Kim, Chae-Won;Son, Joo-Young
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2019.05a
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    • pp.159-160
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    • 2019
  • It would be very important to localize people at risk as soon as possible in order to minimize the damage. Generally the infrastructure should be deployed additionally for indoor positioning system. In this paper, we proposed an indoor localization system for people at risk using the existing fire alarm networks. The system detects the signal of smart devices of people in danger immediately and let the main alarm controller ring all alarms in vessel and display the position. Thus, the proposed system can make the burden much less to deploy additional network and infrastructure.

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Statistics and Management Systems of Unwanted Domestic and Foreign Fire Alarms (국내·외 비화재보의 통계 및 관리체계에 관한 연구)

  • Hwang, Euy-Hong;Lee, Sung-Eun;Choi, Don-Mook
    • Fire Science and Engineering
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    • v.34 no.2
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    • pp.30-40
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    • 2020
  • In the event of a fire and a disaster, prompt and accurate alarms inside and outside the building are directly related to the minimization of damage and the success of life evacuation. However, due to unwanted fire alarms in automated fire detection systems, the number of dispatches by misunderstanding in the 119 service is increasing. This causes the insensitivity to the safety of building managers and the waste of the fire-fighting power. Therefore, in this study, the statistical databases and literature on unwanted fire alarms in Korea and abroad (USA, UK) were identified and the management systems for unwanted fire alarms were compared and analyzed to identify problems of statistics in the management systems for unwanted fire alarms.

A Study on Effective Fire Countermeasures for Facilities for the Elderly and Children (노유자시설의 효율적인 화재 대응방안에 관한 연구)

  • Hwang, Euy-Hong;Choi, Han-Bit;Choi, Doon-Mook
    • Fire Science and Engineering
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    • v.34 no.4
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    • pp.107-114
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    • 2020
  • With the development of the national industry, the importance of the elderly and children such as the elderly, disabled, and children is recognized. Similarly, the number of facilities for the elderly and children is increasing. Fires at facilities for the elderly and children cause heavy casualties. In response to these events, it is essential to activate fire alarms promptly and accurately and to secure evacuation routes. In this study, the laws and statistics related to facilities for elderly and children were reviewed, and problems with legal terms-such as elderly, children, others, unwanted alarm of fire alarm systems, blind spots of fire compartment standards, securing evacuation routes, and absence of standards for life safety rescue organizations-were identified. As an improvement measure, the legal definitions of similar terms-such as elderly, children, unwanted alarm checklist, and establishment of standards for fire prevention compartment-and introduction of other terms-evacuation elevators, the establishment of standards for life-safety rescue organizations, and provision of flame retardation objects for evacuees-were proposed.

Fast and Efficient Method for Fire Detection Using Image Processing

  • Celik, Turgay
    • ETRI Journal
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    • v.32 no.6
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    • pp.881-890
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    • 2010
  • Conventional fire detection systems use physical sensors to detect fire. Chemical properties of particles in the air are acquired by sensors and are used by conventional fire detection systems to raise an alarm. However, this can also cause false alarms; for example, a person smoking in a room may trigger a typical fire alarm system. In order to manage false alarms of conventional fire detection systems, a computer vision-based fire detection algorithm is proposed in this paper. The proposed fire detection algorithm consists of two main parts: fire color modeling and motion detection. The algorithm can be used in parallel with conventional fire detection systems to reduce false alarms. It can also be deployed as a stand-alone system to detect fire by using video frames acquired through a video acquisition device. A novel fire color model is developed in CIE $L^*a^*b^*$ color space to identify fire pixels. The proposed fire color model is tested with ten diverse video sequences including different types of fire. The experimental results are quite encouraging in terms of correctly classifying fire pixels according to color information only. The overall fire detection system's performance is tested over a benchmark fire video database, and its performance is compared with the state-of-the-art fire detection method.

조사연구-공기흡입 화재탐지설비(ADS)에 대한 고찰

  • Ryu, Eun-Yeol
    • Fire Protection Technology
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    • s.19
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    • pp.17-21
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    • 1995
  • This is to study installation standards of aspirating devices and detectors, which are components of ADS(aspirating fire detection system). The BFPSA(British Fire Protection System Association) code was mainly referred is studying. ADS aspirated air and smoke through the pipe and then checks if there is fire or not. It is now in the limelight because it can early alarm in case of fire and prevent false-alarming.

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Performance-based Fire Protection Design of Domestic Super High-rise Buildings - Evaluation by ASET and RSET -

  • Roh, Hyeong-Ki
    • Journal of the Korean Society of Hazard Mitigation
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    • v.11 no.2
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    • pp.9-13
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    • 2011
  • The Performance-based fire protection design required to construct super high-rise building is the active measure for the evaluation of fire risks and the establishment of fire protection systems on the basis of engineering analysis, which is more efficient and proper than existing prescriptive-based design. This study applied time-line analysis of RSET is required safe egress time and ASET is available safe egress time with the fire and evacuation simulation to analyze. The result of this study showed the sprinkler system increased ASET and fire detection and alarm system reduced RSET efficiently. Reduced evacuation time influences to secure the life safety. Also it is essential to maintain the fire suppression system and fire detection & alarm system properly. Database of fire movement and evacuation action program are useful for the performance-based design.

A Study on the Improvement of Anti-Fire System of Temples (사찰 화재예방시스템의 개선방안에 관한 연구)

  • Kong, Ha-Sung
    • Journal of the Korean Society of Hazard Mitigation
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    • v.8 no.4
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    • pp.87-90
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    • 2008
  • This research is to study and analyze our country's management of disasters, the present condition of cultural heritages bases on the examples of temples, and Japan's safety management prevention of buddhist temple. As a result, this research aims to how to improve the temple fire prevention system. To improve the anti-fire system of temples, it is important to make new laws about fire lose to minimize cultural property lose. Secondly, to protect self-contained type fire alarm device, with aerosol type hand propelled fire extinguishers to prevent fire lose. Lastly, construction work of electric engineer is necessary to prevent temple fire loses.

Non-Fire Alarm Management and Customized Automatic Guidance System (비화재보 관리 및 맞춤형 자동안내 시스템)

  • Hyo-Seung Lee;Ju-Sang Lee;Woo-Jun Choi
    • The Journal of the Korea institute of electronic communication sciences
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    • v.18 no.2
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    • pp.355-360
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    • 2023
  • Fire is a disaster that causes irreversible damage to many people due to personal injury and property damage. Various fire detection equipments are installed around us to detect and cope with it quickly. However, due to various problems such as artificial, environmental, and aging, fire detection equipment is activated even though it is not a actual fire, and there are many problems such as delaying the support to the necessary fire scene. In this paper, we analyze the non-fire alarm of the fire detection equipment and propose a system that enables the field staff to check the scene situation through the video as a way to prevent the mobilization due to the misinformation by checking the fire. The purpose of the present invention is to stably cope with a disaster by suggesting a customized automatic guidance system which induces a rapid evacuation by sending an evacuation guidance notification to a range of a fire occurrence neighboring area, and supports a rapid and accurate processing by a rapid dispatch of a firefighter, rather than a wide range of guidance such as an existing emergency disaster guidance letter when it is determined to be an actual fire through the confirmation procedure.

A Study on the Transient Phenomenon Protection System Development for Fire Alarm System Control Unit (화재 수신기용 과도현상 보호시스템 개발에 관한 연구)

  • Lee, Dong-Myung
    • Fire Science and Engineering
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    • v.23 no.2
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    • pp.55-61
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    • 2009
  • This study has been carried on the transient phenomenon protection system to become fire alarm system control unit of high reliance which can be protected from transient phenomena for surge or transient overvoltage, and constructed engineering base that can develop transient phenomenon protection system by proving performance of protection system in a experimental. This study developed 1 step and 2 step protection system that can be protected from transient phenomenon with process thesis and theory for development of transient phenomenon protection system. It established engineering data construction and a source technology that can develop transient phenomenon protection system as gets satisfied result and test with all performance condition that present in fire protection law and connection regulation.