The spray inoculation null pump of the liquid medicine

摘要

PROBLEM TO BE SOLVED: To provide a spray device for a liquid chemical spraying car which, even when the spreading width is changed, can uniformly spread the liquid chemical by properly and automatically regulating the amount of the chemical spread according to the speed of the car.;SOLUTION: This spray device for a liquid chemical spraying car comprises a spray circuit (4) for transferring a liquid to a spray nozzle double-arrayed nozzle boom (3) by the drive of a pump (1) and regulates spraying according to the speed of the car. A spray region sensor (10) for detecting a spray region in the nozzle boom (3) and a spray flow rate sensor (9) for detecting the flow rate of the liquid into the nozzle boom (3) are provided, and a controller (34) for regulating the spreading according to the speed of the car.;COPYRIGHT: (C)2007,JPO&INPIT