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Abstract
The security of home, laboratory, office, factory and building is important to human life. We are developing an
intelligent multi sensor based fire fighting robot in our daily life. We design the fire detection system using four
flame sensors in the fire fighting robot, and program the fire detection and fighting procedure using sensor
based method. The fire fighting robot can get detection signals. If fire accident is true, the fire fighting robot
can uses four flame sensors to find out fire source by the proposed method, and move to fire source to fight the
fire using extinguisher.
It is more advantageous than a smoke detector as it can extinguish the fire at the inception than waiting for an
object to burn and produce smoke. When a smoke detector detects fire it, sprays water all over the place,
instead of that particular point of source. It voluntarily detects and extinguishes fire without human aid.
The fire sensor used is IRD 300 while the micro-controller used is PIC16F877. Here we use two motor driving
units; one for the movement of robot & other for the water pump. 2 Stepper motors of VEGA Robo Kit having a
rating of 100rpm/12V is at the sides and 1 free ball in ball bearing wheel at front of robot; while a 12V DC
motor for pumping water.
Here the robot detects fire by the fire sensor and moves towards it. After reaching a certain distance from the
fire, it sprays water at the fire, thereby extinguishing it. It then comes back to its initial position

Objectives
• The security of home, laboratory, office,
factory and building is important to
human life. We are developing an
intelligent multi sensor based fire fighting
robot in our daily life.
• We design the fire detection system using
four flame sensors which is programmed
for fire detection and fighting procedure
using sensor based method.
• We design a low cost based obstacle
detection module using IR sensors and
ultrasonic sensors in the mobile robot.
The is true, fire fighting robot can get
detection signals. If fire accident the fire
fighting robot can uses four flame sensors
to find out fire source by the proposed
method, and move to fire source to fight
the fire using extinguisher.

Justification
• It is more advantageous than a smoke
detector as it can extinguish the fire at the
inception than waiting for an object to
burn and produce smoke.
• When a smoke detector detects fire, it
sprays water all over the place, instead of
that particular point of source.
• It voluntarily detects and extinguishes fire
without human aid.

3. Methodology
Fire Sensor (IRD300)
It is a photo diode which detects flame having
radiation flux density 5Mw/cm2
and color
temperature 2870K. This sensor has a range upto 1
meter.
Micro-Controller (PIC16F877A)
It has the name “Peripheral Interface Controller”.
The PIC uses the Harvard architecture. The
16F87X series Micro Controller contains flash
memory. Harvard architecture has the program and
data memory as separate memories and is accessed
from separate busses; this improves speed over the
traditional Von Neumann architecture.
Motor Driving Units
Here we use two motor driving units; one for the
movement of robot & other for the water pump.
The motor driving IC used for movement is L293D
and for pumping water is ULN2003.
Buzzer
It gives out an alarm when fire is detected by the
robot.
LCD display
16X2 line display, used to display name of
room where fire broke out.
Applications
Different kinds of accidents are possible in a tunnel
but, accidents involving fire are the most dangerous
of all. If it is not possible to extinguish the fire in
minutes, it would be so hot that human life will be
at risk. But, one of the biggest fears among
emergency personnel who should respond to tunnel
fires is the possibility of finding hazardous material
fuelling fire!
In such a situation it is best to leave the job to
robots.
Conclusions
• If we do this innovative project on large
scale it will surely save many lives.
As we go into the Future, we will be
entering a Technological Era where
humans and robots are going to co-exist.
References
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