| 摘要 |
PURPOSE:To keep away a sound while carrying out ventilation. CONSTITUTION:A ceiling ventilation structure is formed with a room unit such as a soundproof unit which is constituted by connecting a ceiling panel 1, a floor panel 2, and a wall panel 3 to each other. The ceiling panel 1 is formed hollow, and an air suction port 29 connected to the inside of the unit is formed on the lower surface of it. An air discharging port 30 connected to the outside is formed on the upper surface of the ceiling panel 1. Then, a soundproof baffle plate 28 is installed in a ventilation path inside the ceiling panel 1. |
