In this paper basically a low cost fire detection and control system based on smoke and heat detection is proposed. It is comprised of a combination of electrical/electronic devices/equipments working together to detect the presence of fire and alert people through audio or visual medium after detection. These alarms may be activated from smoke detectors or heat detectors which, when detects fire. Then, it automatically operates a relay which can be used to send Short Message Service (SMS) to the registered mobile numbers and switch on a water sprayer or a Solenoid Pump to spray water or fire ceasing foam.
CHAPTER ONE
1.0 INTRODUCTION
Now a days automatic fire detection and control is becoming very essential to reduce the fire in the building and industry. Automatic fire alarm system provides real- time surveillance, monitoring and automatic alarm. A key aspect of fire protection is to identify a developing fire emergency in a timely manner, and to alert the building's occupants and fire emergency organizations. This is the role of fire detection and alarm systems.
Generally fire detectors are designed [1] to respond at an early stage to one more of the four major characteristics of combustion, heat, smoke, flame or gas. No single type of detector is suitable for all types of premises or fires. Heat detectors respond to the temperature rise associated with a fire and smoke detector respond to the smoke or gas generated due to fire.
The authors [2] describe the overall structure and design of automatic fire alarm system and fire alarm control software. Authors [3] discussed automatic fire alarm system based on Wireless Sensor Networks and in [4] discussed quick responsive system based on SMS. Currently available different smoke detector systems and their working discussed detailed in [5]. Different conventional smoke detectors and their applications are given details in [6].
With this background, the present work is discussed with an objective to develop an automatic fire alarm and control system by detecting smoke and heat. The method is discussed in Section II. The system design and implementation is discussed in Section III. We summarize our work and conclude this paper in Section IV...read more
CHAPTER FIVE
5.1 SUMMARY
In summary, there are several options for a building's fire detection and alarm system. The ultimate system type, and selected components, will be dependent upon the building construction and value, its use or uses, the type of occupants, mandated standards, content value, and mission sensitivity. Contacting a fire engineer or other appropriate professional who understands fire problems and the different alarm and detection options is usually a preferred first step to find the best system.
5.2 CONCLUSIONS AND DISCUSSIONS
In this paper we proposed an automatic fire alert and fire distinguishing system by sensing smoke and heat. We have experimented our proposed system in our laboratory and noticed its feasibility. It is also seen that the system does not respond if the fire generates very small smoke particles and very small amount of heat. The system does not display properly if two or more than two rooms or blocks are affected at a same time.
5.3 REFERENCES
- www.fire.org.nz/...Fire...Alarms/
- Huide Liu ; Lili Gao ; Suwei Li ; Tao Wu “ About automatic fire alarm systems research”, The 2nd IEEE International Conference on Information Management and Engineering (ICIME), 16-18 April 2010, pp. 419 – 421
- Lei Zhang, and Gaofeng Wang, “Design and Implementation of Automatic Fire Alarm System based on Wireless Sensor Networks”
- Proceedings of the 2009 International Symposium on Information Processing (ISIP’09) Huangshan, P. R. China, August 21-23, 2009, pp. 410-413
- Omar Asif, Md. Belayat Hossain, Mamun Hasan, Mir Toufikur Rahman, Muhammad E. H. Chowdhury, “Fire-Detectors Review and Design of an Automated, Quick Responsive Fire- Alarm System Based on SMS”, Scientific Research Publishing Inc, 28th August 2014.
- www.systemsensor.com.
- www.pertronic.co.nz/convention_systems/
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