Fire extinguishing system of electricity room

The utility model relates to the technical field of electricity room fire fighting, in particular to an electricity room fire fighting system which comprises a mounting plate, a fire fighting mechanism is mounted in the mounting plate, a binding post is mounted at the top of the mounting plate and on the right side of the fire fighting mechanism, and a microcontroller is mounted at the top of the mounting plate and on the left side of the fire fighting mechanism. Fixing bolts are mounted at the inner corners of the mounting plate; the fire-fighting mechanism comprises a fire-fighting spray head mounted in the center of the interior of the mounting plate, a flow guide pipe is mounted at the top of the fire-fighting spray head, an electromagnetic valve is mounted in the flow guide pipe, and infrared sensors are mounted at the positions, on the two sides of the fire-fighting spray head, of the bottom of the mounting plate; and pin shafts are installed in the mounting plate and located on the two sides of the ele