Drug replenishment control system, sprayer, drone, drug replenishment system control method, and drug replenishment system control program

摘要

PROBLEM TO BE SOLVED: To enhance the safety of spraying chemicals in an agricultural machine. 【solution】 A drug tank 104, a drug nozzle 103 that discharges an object inside the drug tank to the outside, a liquid detection unit 31 that detects completion of liquid replenishment to the drug tank, and an air bleeding detection unit 32 that detects completion of air bleeding operation. And a replenishment detection unit (34) for detecting the completion of replenishment of the medicine in the medicine tank, which is provided in the agricultural machine and is used for replenishing the medicine tank with the medicine. It has a plurality of mutually different states and transits to another state corresponding to the condition. After at least the liquid standby state (S31), the air bleeding standby state (S32), and the medicine standby state (S34), the spray preparation start standby state (S4) is entered. [Selection diagram] Fig. 10