Water supply device for central heating heat exchange station system

The utility model discloses a water supply device for a central heating heat exchange station system, which comprises a water supply pool, an alarm mechanism is arranged at the top of the water supply pool, a storage battery is electrically connected with a buzzer through a lead, the buzzer is mounted at one end of the outer wall of a box body, and a copper sheet B is mounted at one end of the outer wall of the buzzer. According to the water supply device for the centralized heat supply and heat exchange station system, when the water level in a water supply pool descends, a buoyancy ball can drive a vertical rod to move downwards on the inner walls of a sleeve and a box body along with descending of the water level, then the vertical rod can drive a rod body to rotate, and when the rod body rotates, a sliding sleeve A can be driven to move rightwards on the outer wall of a sliding rod; and when the copper sheet A is attached to the copper sheet B, a round rod and a stirring rod can be driven to do stable lef