Cleaning device and system for vehicle-mounted optic surface and vehicle-mounted optic sensor with cleaning device

A cleaning device for cleaning a vehicle-mounted optic surface, including a housing, the housing including an opening adapted to fit an optic surface, a fluid inlet arranged to take in washer fluid, an at least one fluid discharge port arranged to discharge washer fluid onto the optic surface, a first passage in fluidic communication with the fluid inlet and the at least one fluid discharge port so as to guide the washer fluid from the fluid inlet towards the at least one fluid discharge port and a protruding part that substantially surrounds the opening so as to define an inner wall. A cleaning system and a vehicle-mounted sensor can include an optic surface and the cleaning device.