Fire alarm equipment for intelligent fire protection

The fire alarm device comprises a fireproof circular plate, a regulation and control box is in bolted connection with the front face of the fireproof circular plate, an early warning assembly is arranged in an inner cavity of the regulation and control box, a through groove is formed in the top of the regulation and control box, and the top of the early warning assembly penetrates through the through groove and is in bolted connection with a circular plate. A maintenance plate is bolted to the bottom of the front face of the regulation and control box, and smoke detectors are bolted to the two sides of the bottom of the regulation and control box. According to the utility model, the rotary impeller and the special-shaped transmission gear are supported, the visual range of the flasher is expanded through the cooperation of the rotary rod and the support reinforcing rod, so that a manager can quickly observe an alarm signal, and smoke generated during a fire can be detected in time through the cooperation of t