| 摘要 |
PURPOSE: An automatic control device for a fire door is provided to provide persons inside a building with an evacuation route in case of a fire by selectively opening and closing fire doors. CONSTITUTION: An automatic control device for a fire door comprises multiple fire occurrence recognition devices and a fire door control device. The fire occurrence recognition devices recognize fire occurrence through fire alarming devices and transmit wireless fire occurrence signals. The fire door control device receives the wireless fire occurrence signals from the fire occurrence recognition devices and automatically and selectively opens and closes fire doors(30a,30b,31). |
