AIR CIRCULATION DEVICE HAVING AN ABSORPTION FUNCTION WHICH DISCHARGES INDOOR AIR TO OUTSIDE AND DEADENS SOUNDS BY USING A SOUNDPROOF PLATE FORMED SOUND ABSORBING HOLES AT THE SAME TIME

摘要

PURPOSE: An air circulation device is provided to maintain a quite indoor atmosphere by absorbing noises generating in indoor through sound absorbing holes.;CONSTITUTION: An air circulation device comprises a soundproof plate(10), a ceiling frame, a floor frame(30), a discharge box, and an exhaust duct. The sound plate separated from an inner wall and arranged in one or more rows and lines comprises a plurality of sound absorbing holes(11). The ceiling frame is formed along the upper side of the soundproof plate arranged in the highest layer. The floor frame is formed along the lower side of the soundproof plate arranged in the lowest layer. The discharge box is formed in the upper part of the ceiling frame. A plurality of discharge holes which discharge fresh outdoor air is formed in a side of the discharge box. The exhaust duct is passed through the inner space of the discharge box and installed, thereby discharging air between the inner wall and soundproof plate to outside.;COPYRIGHT KIPO 2012