Abstract

A fire alarm is a high-performance system that detects smoke, heat or flames and actuates fire suppression system, for the protection of lives and property. It is employed in aircraft hangars for the protection of aircraft, personnel as well as the hangar structure. The need for a fire alarm in a hangar with algorithm for extinguishers cannot be overemphasized. The structure of the hangar building, type of aircraft housed in the hangar and activities carried out at the hangar such as inspections, overhauls and modifications of aircraft, determine the type of fire alarm to be used, whether it should be automatic or manual [2]. The detection employed, be it smoke detection, heat sensing or both and the process of extinguishing in the face of a fire threat or hazard is equally important. The effectiveness of the alarm is dependent on genuine alerts and not false alarm triggers, hence in this research paper, the employment of intelligent detection using comparators in programmed IC, the Micro-controller, was interfaced with a 555 Timer, a multi-vibrator for generating aural sound for alarm, LCD Display for indicated readings as well as algorithm for extinguishing using water or foam via sprinklers. The basic work started with a block diagram representation, thereafter, individual subsystems, which form the building blocks were analyzed and the components parts identified. A circuit diagram for the project was analyzed and built using Proteus. This was simulated and found to be achievable, hence a program was written in C++ for the micro-controller using Arduino Language known as the source code. The results show hangar fire detection alarm with algorithm for extinguishing and was investigated as an effective means of suppressing fire threat in the hangar [4].

Highlights

  • Fire detection alarms are often found in workplaces and can be triggered by smoke where they are referred to, as smoke detectors

  • The results show hangar fire detection alarm with algorithm for extinguishing and was investigated as an effective means of suppressing fire threat in the hangar [4]

  • Activated alarms on the other hand take many forms in order to respond to any number of detectable physical changes associated with fire. Such as convector thermal energy, heat detection, combustion products, smoke detection, energy radiation; flame detector, fire gas detector, water-flow detector and release of extinguishing agents [3]. These has made fire alarm systems to be classified by designated letters as L fire alarm systems which are concerned primarily with preserving life and enabling all occupants other than those immediately affected by the fire, to make good of their escape from the building

Read more

Summary

Introduction

Fire detection alarms are often found in workplaces and can be triggered by smoke where they are referred to, as smoke detectors. Activated alarms on the other hand take many forms in order to respond to any number of detectable physical changes associated with fire Such as convector thermal energy, heat detection, combustion products, smoke detection, energy radiation; flame detector, fire gas detector, water-flow detector and release of extinguishing agents [3]. These has made fire alarm systems to be classified by designated letters as L fire alarm systems which are concerned primarily with preserving life and enabling all occupants other than those immediately affected by the fire, to make good of their escape from the building.

Results obtained
Smoke detection output
Conclusion
Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call