| 摘要 |
PURPOSE: To conduct an evacuation safely in an early stage in case of fire by permitting an automatic door to be operated in an ordinary open and close mode by being switched over to a battery electric source after the interruption of power supply, and further permitting it to be operated with a self-close mode after a lapse of a certain period of time. CONSTITUTION: This method is constituted of an emergency battery device 1, a control automatic door controller 2 of a driving motor 3, and AC electric source circuit 4, a rectifier circuit 5, a battery power circuit 6, or the like. In the interruption of electric supply due to fire, an automatic door is made open and close by an AC power source by paying no attention to a fire signal, and it is switched over to a battery source by turning on a selection switch SS, an ordinary open and close mode operation time (t) is made a refuge completion time of people, and a door open and close speed is made slow by sending a signal of a self-close mode. Thus a positive close of the door and the completion of a fire prevention function can be carried out. |
