Recent years, fire hazards have been happening more frequently in factories. However, the fire extinguishers in factories are mostly fixed and have to be operated by human, which leads to delayed treatment of the fire and therefore more losses.

Our project aims at building a car carrying fire detecters that can move along a fixed route in the factory day and night and fire extinguishers which can put out the fire immediately.

A car based on the tracking, detecting and extinguishing system is our final solution. The tracking system contains infrared sensors and corresponding programme that keep the car in a fixed route. The detecting system uses flame sensors to locate the fire origin and alarm to warn people. Then, the fire extinguishers on the car will spray extinguishing powder to the flame.

The process of building our project is mainly divided into three parts. Firstly, we use infrared sensors to adjust the car to go along the black line on the white ground. Secondly, we choose flame sensors LM393, which detect the flame by wavelength.Once the flame is detected, the Arduino board will control the servo to trigger the wrench of the fire extinguisher. Then, the fire extinguisher will spary the dry powder towards the fire origin. Meanwhile, the car will set off the alarm to warn people of the flame.

The project solves the problem by providing a timely treatment to the fire in factory. It’s more than a simple combination of car and fire extinguisher, it’s an intelligent solution to minimize the possibility of some small flame becoming a disastrous conflagration. One possible improvement is to add servos to adjust the direction of the extinguisher to point accurately at the fire origin. Moreover, we can link the fire-fighter car to the Internet to report the position of the fire for further treatment.