Building fire alarm equipment based on BIM (Building Information Modeling)

The utility model discloses a building fire alarm device based on BIM, which belongs to the technical field of building fire protection, and comprises a mounting plate, both sides of the mounting plate are provided with clamping assemblies, a shell is embedded in the mounting plate, and a spraying assembly is embedded in the inner top of the shell. The controller controls the motor to drive the screw rod to rotate, the sliding plate can move upwards in a limited mode under meshing connection between the screw rod and the sliding plate, then the sealing block is driven to move upwards to open the top opening of the water tank, cooling water on the top in the shell is sprayed out through a spraying hole in the bottom of the water tank, and the device is cooled while spraying fire extinguishing is carried out to prevent an alarm horn from being burnt down. The clamping assembly is arranged, the sliding block can be pushed inwards through the groove, the mounting plate can be mounted and dismounted after the clam