Water quality monitoring device

The utility model discloses a water quality monitoring device in the technical field of water quality monitoring. Floating plate, the bottom of the electric telescopic rod extends to the outer wall ofthe bottom of the floating plate and is provided with a water quality monitoring probe; the outer wall of the water quality monitoring probe is sleeved with a cleaning sleeve; rotating rods are arranged at the bottom and the bottom output end of the double-shaft motor through couplers; a driving bevel gear is arranged at the top of the rotating rod at the top; the rotating rod at the bottom extends to the outer wall of the bottom of the floating plate and is provided with upper and lower gears; the double-shaft motor can drive the cleaning sleeve and the rotating shaft to rotate; the outer wall of the water quality monitoring probe is cleaned; the fan blades are driven by the rotating shaft rotating quickly to rotate to accelerate the circulation speed of air in the inner cavity of the protective cover; the honey