Small -size boiler water supplement structure

The utility model discloses a small -size boiler water supplement structure, include: controller, pot furnace inner container and water tank, and with the moisturizing pump that pot furnace inner container and water tank all communicate, be provided with the analog output level gauge in the pot furnace inner container, be used for real -time supervision the pot in the furnace inner container the water level and to controller output water -level fluctuation signal, the upper and lower both ends of water tank respectively through thread a pipe with the motorised valve with pot furnace inner container intercommunication, be provided with float gauge in the water tank, the controller is used for the basis the water -level fluctuation signal real -time change of analog output level gauge output the aperture of motorised valve still is used for float gauge monitors water level in the water tank is less than when predetermineeing the water level, control the moisturizing pump to the water tank supplies water. The ut