KR KR20250058975A
An aerial drone having a fluid spray function includes: a drone body; a flight unit mounted on the drone body to fly the drone body; a spray nozzle unit mounted on the drone body and including a spray nozzle for spraying a fluid in a spray manner; a gap maintaining unit mounted on the drone body and including a gap maintaining member for maintaining a minimum safe gap between the drone body and a work surface and maintaining a constant gap between the spray nozzle unit and the work surface regardless of an external environment and unevenness of the work surface; a contact detection sensor mounted on the gap maintaining unit and generating a sensing signal when the gap maintaining unit is in contact with the work surface; and a control unit for determining the operation and operation stop of the spray nozzle unit according to whether the sensing signal is generated.
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