• 제목/요약/키워드: Fire Alarm Device

검색결과 35건 처리시간 0.022초

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

  • 공하성
    • 한국방재학회 논문집
    • /
    • 제8권4호
    • /
    • pp.87-90
    • /
    • 2008
  • 이 연구는 사찰의 화재 사례, 일본의 사찰 안전관리에 대하여 고찰 분석하였다. 그 결과를 토대로 사찰 화재예방시스템에 대한 개선방안 제안을 목적으로 하고 있다. 사찰 화재예방시스템의 개선방안으로는 첫째, 화재로 문화재 소실 등의 피해를 줄일 수 있도록 "문화재보호법"에 화재예방을 위한 규정 신설의 필요성 제기 둘째, 단독경보형 감지기 및 에어졸식 간이소화용구를 설치하여 화재의 조기발견 및 진화 그리고 인명피해를 최소화 방안 강구 셋째, 경미한 전기설비 설치공사에 있어서도 "국가기술자격법"에 의한 전기분야의 기술자격을 취득한 자가 시공할 수 있도록 "전기사업법령"상의 기준 마련 등이다.

규격화된 분전반 제작을 위한 표준작업절차(SOP)의 공정 개발 (Process Development of a Standard Operating Procedure (SOP) for the Manufacturing of Standardized Distribution Boards)

  • 고완수;이병설;최충석
    • 한국안전학회지
    • /
    • 제33권5호
    • /
    • pp.21-27
    • /
    • 2018
  • The purpose of this study is to develop a SOP (Standard Operating Procedure) for a distribution board that can monitor the leakage current of a load distribution line in real time. The developed distribution board was fabricated by applying IEC 61439-1. It consists of the distribution board and an alarm device. The work process for making the distribution board was compliant with the KEMC (Korea Electrical Manufacturers Cooperative) regulations. And the AC distribution board range is 1,000 V. In addition, the voltage in DC is less than 1500 V. The distribution board receives a 3-phases and 4-wires power supply system and can supply power to the load of a maximum of 32 single or three phase distribution circuits. Also, leakage current measured on the power distribution board was used by sensors installed. The SOP of the developed distribution board consists of the installation standards for the short circuit alarm device and sensor, the surge protection device, switches and indication lamps, and other devices. The operation procedure was prepared so that each manufacturing step of the distribution board must be confirmed by the persons in charge of preparation, production, quality control and approval before moving forward to the next step.

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

  • 고윤석
    • 한국전자통신학회논문지
    • /
    • 제14권2호
    • /
    • pp.339-344
    • /
    • 2019
  • 본 논문에서는 주택 전기 과부하로 인한 전기화재 피해를 최소화할 수 있는 스마트 주택 자동화를 위한 DSP 기반의 디지털 주택 과부하 경보기를 실험 제작하였다. 그리고 주택 과부하 경보 기술의 유효성을 검증하기 위해서 인공적으로 과부하를 발생시킬 수 있는 하나의 전기 과부하 경보 성능 평가 시스템을 설계, 개발, 구축하고, 과부하 시험을 통해 개발된 주택 과부하 경보기의 유효성을 검증하였다. 특히, EMTP-RV를 이용하여 과부하 시험 모델을 개발하고 과부하 시험을 모의, 계측결과와 비교함으로서 과부하 성능 검증결과의 신뢰성을 확인하였다.

Fast and Efficient Method for Fire Detection Using Image Processing

  • Celik, Turgay
    • ETRI Journal
    • /
    • 제32권6호
    • /
    • pp.881-890
    • /
    • 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.

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

  • 김채원;손주영
    • 한국항해항만학회:학술대회논문집
    • /
    • 한국항해항만학회 2019년도 춘계학술대회
    • /
    • pp.159-160
    • /
    • 2019
  • 선박에서 신변이상자를 신속히 발견하는 것은 안전사고로 인한 피해를 최소화하는 데 매우 중요하다. 일반적으로 실내 위치 추적 시스템을 도입하려면 선박에 새로운 인프라를 구축해야 한다. 본 논문에서는 기존의 화재경보망을 활용하여 일반적으로 스마트 기기를 지니고 있는 사람이 위험상황에 처했을 때 즉각 스마트 기기를 인식하고 위치를 파악할 수 있는 실내 위치 파악 시스템을 제안한다. 기존의 화재 감지기 및 화재 경보 시스템 제어기 등의 네트워크를 활용하기 때문에 새로운 네트워크 인프라를 구축하는 부담을 줄였다.

  • PDF

화재실험을 통한 주택용 연기감지기 응답특성에 관한 연구 (A Study on the Response Characteristics of the Residential Smoke Detector Depending on Controlled Fire Tests)

  • 사공성호;김시국;이춘하;정종진
    • 한국화재소방학회논문지
    • /
    • 제23권4호
    • /
    • pp.98-103
    • /
    • 2009
  • 본 논문은 연기감지기의 응답특성을 분석하여 주택용 화재감지기로 적합한지를 분석하고자 광전식연기감지기, 아날로그연기감지기, 단독경보형연기감지기를 시험체로 선정하여 UL 268에서 정하는 화재시험방법을 응용하여 화재성상(종이화재와 인화성액체화재)에 따른 연기감지기의 응답특성을 분석하고자 화재실험을 실시하였다. 실험결과 화재성상에 따라 연기감지기의 응답특성 차이가 나타나는 것을 확인할 수 있었다.

아크사고 경보장치 및 IoT를 이용한 조기알림에 관한 연구 (A Study on Arc Fault Alarm Device and Early Notification with IoT)

  • 정민상;곽동걸;최정규;정원석
    • 전력전자학회:학술대회논문집
    • /
    • 전력전자학회 2017년도 전력전자학술대회
    • /
    • pp.497-498
    • /
    • 2017
  • Electrical fire is a bit part of the cause of a fire. To reduce fire, we study the system for efficient alert for ARC which is the most part of electrical fire. We use IoT to alert managers faster to prevent accident.

  • PDF

양방향 통신이 가능한 자동화재탐지설비(P형 1급 수신기)의 설계 및 동작특성에 관한 연구 (A Study on Design and Operation Performance of Automatic Fire Detection Equipment (P-type One-class Receiver) by Bidirectional Communication)

  • 이봉섭;곽동걸;정도영;천동진
    • 전기학회논문지
    • /
    • 제61권2호
    • /
    • pp.347-353
    • /
    • 2012
  • In this paper, authors will develop the quick and precise remote controller of automatic fire detection equipment (P-type one-class receiver) based on information communication technology (IT). The remote controller detects the fire and disaster in the building automatically and quickly and then activates the facilities to extinguish the fire and disaster, monitoring such situation in a real time through wire-wireless communication network. The proposed remote controller is applied a programmable logic device (PLD) micom. of one-chip type which is small size and lightweight and also has highly sensitive-precise reliabilities. The one-chip type PLD micom. analyzes digital signals from sensors, then activates fire extinguishing facilities for alarm and rapid suppression in a case of fire and disaster. The detected data is also transferred to a remote situation room through wire-wireless network of RS232c and bluetooth communication, and then the situation room sends an emergency alarm signal. The automatic fire detection equipment (AFDE) based on IT will minimize the life and wealth loss while prevents fire and disaster.

Wireless Sensor Networks based Forest Fire Surveillance System

  • Son, Byung-Rak;Kim, Jung-Gyu
    • 한국정보기술응용학회:학술대회논문집
    • /
    • 한국정보기술응용학회 2005년도 6th 2005 International Conference on Computers, Communications and System
    • /
    • pp.123-126
    • /
    • 2005
  • Wireless Sensor Networks will revolutionize applications such as environmental monitoring, home automation, and logistics. We developed forest fire surveillance system. In this paper, Considering the fact that in Korea, during November to May, forest fires occur very frequently causing catastrophic damages on the valuable environment, Although exists other forest fire surveillance system such as surveillance camera tower, infrared ray sensor system and satellite system. Preexistence surveillance system can't real-time surveillance, monitoring, database and automatic alarm. But, forest fire surveillance system(FFSS) support above. In this paper, we describes a system development approach for a wireless sensor network based FFSS that is to be used to measure temperature and humidity as well as being fitted with a smoke detector. Such a device can be used as an early warning fire detection system and real-time surveillance in the area of a bush fire or endangered public infrastructure. Once the system has being development, a mesh network topology will be implemented with the chosen sensor node with the aim of developing a sophisticated mesh network.

  • PDF