This project report is a thesis written specifically to cover the design analysis construction, test and packaging of a multipurpose security system from electric component that can be easily be obtainable from the market.
The report discusses the various unit and stages of the alarm system, thesis include:-
However, my own project is designed to serve three purposes: to detect human touch, burglar operation and to detect fire, giving the corresponding alarms and indications.
In a situation where there is a need to monitor the movement of people in a confidential building or a restricted area or to alert security-men in the case of fire outbreak, multipurpose security system is an electronic gadget which detect human shadow, human touch and fire and alert security-men through an alarm and equally display the particular room or area in which the target was hit.
The multi-purpose security system uses Light Dependent Resistor (LDR) to sense human shadow, touch switch to sense human touch and thermistor to sense fire.
The circuit is enclosed in such a way that if he sensor are installed in each various room, say room 1,2 and 3 etc. If an intruder wants to break through, say room 2 once he touches the handle of the door, the touch sensor senses his touch, then triggers an alarm and display room 2 on a big display board. If to say, there is fire outbreak in the same room 2 the fire sensor will sense it, trigger an alarm and equally display room 2. This is also application to all the room that has the sensor.
Multipurpose security system can equally be applied in banks, industries, financial institutions, schools and home to help safeguard lives and property.
The present and likely to continue state of the world economy as a whole and that of Nigeria as yet a developing country in particular has made life uncomfortable and unsatisfactory for the masses.
Every day, we hear of wars, conflicts, monumental natural disasters, fatal accidents, tribal, racial and religious clashes, to mention just a few.
All these phenomena always lead to wanton destruction of life and properties worth millions of naira.
As a result of these ugly situations today in our country in particular coupled with unemployment, which has led to decline in the standard of living, crime wave has escalated. Because the youths and the young school leavers could not secure any job, which could have kept them busy.
And since the idle mind is the devils workshop, they indulge in all sorts of heinous and scandalous crimes in other to make ends meet. Assassination, high-way robbery, house become burglary, arson, car snatching, etc have become the order of the day. Criminals purposefully set public markets ablaze In order to cart away peoples hard earned merchandise from the markets. Hence the incessant burning of our markets of recent.
Because of these prevailing conditions and bad condition of our economy, there is the need to safe-guard the already acquired property especially from thieves and fire disasters as the cost of replacing them is beyond the reach of average Nigerian. There is also the need to protect life or building occupant(s) form harm by burglars or fire incidence.
Burglary can be traced back to the beginning of age and it was crudely carried out then. But today, it has advanced and become very sophisticated along side with modern technology. Hence, the crude ways used in the time past to the curtail robbery or burglary can no longer contain the present advanced techniques. Therefore, there is the need to device advance technological gadgets to march or subdue the present trend of sophistication demonstrated by burglars.
However, in the past, kitchens were built separately from the residential houses(s). These kitchens houses firewood’s, cooking utensils etc, while there is no electrical wiring and consequent electrical appliances in the residential buildings. But with development, we now have the kitchen inside the living apartments or flats where kerosene stoves, electrical cookers, boilers or heaters and cooking gas (highly inflammable) are used. there are also electrical wiring and consequent electrical appliances in our rooms. all these are potential causes of fire incidence, which could arise from the leaking of the cooking gas, electrical faults etc. Therefore, early detection of fire and burglar actions and a alarm warning are essential to prevent loss of life and property or harm to building occupant(s) so that the time needed to detect fire ignition, burglar operation and warn building occupant(s) is reduced.
Hence a corresponding vital margin of safety for evacuation of property and alerting of the police and fire men is possible.
This function of burglar and fire detection and giving of alarm warning can be achieved from electronic alarm systems.
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