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    • 60. 发明申请
    • FIRE DOOR METHOD OF OPERATION
    • 消防门操作方法
    • US20140246154A1
    • 2014-09-04
    • US14195760
    • 2014-03-03
    • CIW Enterprises, Inc.
    • David Dawdy
    • E06B9/92A62C2/10E06B9/68
    • E06B9/68A62C2/10A62C2/24E05F15/72E05Y2900/00E05Y2900/106E06B5/16E06B2009/6818
    • The present invention presents a method to permit emergency egress through an access opening covered by an overhead coiling fire door. Upon receiving an alarm notification from a first detector located on one side of the access opening the door is power closed to a predetermined height and held there for the predetermined time, then power closed to a fully closed position. Upon receiving a second alarm notification from a second detector located on the opposite side of the access opening the door enters into a secondary alarm condition. The door is power closed and awaits notification to initiate a secondary emergency egress sequence. The secondary emergency egress sequence comprises receiving a door opening notification, opening the door, holding the door open for a predetermined time, and reclosing the door. Upon primary power restoration or a return to a non-alarm condition the door returns to its preset open position.
    • 本发明提出了一种允许紧急出口通过由架空卷烟防火门覆盖的通道开口的方法。 当从接近开口的一侧接收到来自第一检测器的报警通知时,门将电源关闭到预定高度,并将其保持在预定时间,然后电力关闭到完全关闭位置。 当从位于进入开口相对侧的第二检测器接收到第二报警通知时,门进入二级报警状态。 门关闭电源,等待通知以启动次要紧急出口序列。 次要紧急出口序列包括接收门打开通知,打开门,将门打开预定时间,并重新关闭门。 在主电源恢复或返回到非报警状态时,门返回到其预设的打开位置。