AIR INLET OF AUTOMATIC WASTE COLLECTION SYSTEM

摘要

An air suction device for an automatic waste collection system is disclosed. The air suction device for an automatic waste collection system according to an embodiment of the present invention allows external air to flow into a transfer pipe buried in the ground through an air suction valve unit and comprises a valve which opens and closes the transfer pipe; a valve drive unit which drives the valve; and a mount for installing the valve and the valve drive unit in a housing. The valve includes a first-stage valve which is formed in a conical shape and opened and closed by stages; and a second-stage valve which is formed in a conical shape to surround the first-stage valve.