Fire-fighting unmanned aerial vehicle spraying device

The utility model belongs to the technical field of fire-fighting unmanned aerial vehicles, and particularly relates to a fire-fighting unmanned aerial vehicle spraying device which comprises an unmanned aerial vehicle body, a camera used for aerial photography is installed at one end of the unmanned aerial vehicle body, and a water storage tank used for storing water is fixedly installed at the bottom of the unmanned aerial vehicle body. A directional spraying mechanism used for fixed-point fire extinguishing is arranged at the bottom of the water storage tank and located on the same side with the camera, and an area spraying mechanism used for large-area fire extinguishing is arranged at the bottom of the water storage tank and located on the side away from the directional spraying mechanism; the top of one side wall of the water storage tank is fixedly connected with a water adding pipe used for supplementing water into the water storage tank. The unmanned aerial vehicle has three functions of designated f