Nozzle device, windshield cleaning system and control method thereof

The present invention relates to a nozzle arrangement comprising a cylinder having a side opening, a first stop and a second stop secured to the cylinder, wherein the first stop is capable of partially blocking the side opening; a piston capable of partially closing the side opening in a retracted state; a piston rod; and a nozzle attached to the piston rod, and the length of the piston rod is set to enable the nozzle to extend out of the second end of the cylinder body in the retraction state of the piston. According to the device, the spraying distance and speed of the cleaning liquid can be adjusted according to the flight state and speed of the aircraft, and the problem that the spraying speed and area of the cleaning liquid are affected by airflow in the prior art is solved; and the problems of blurred view of the windshield, damage to the corresponding windshield wiper and the like caused by dry wiping of the windshield wiper on the surface of the windshield are avoided. The invention further relates to