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山东防火卷帘门的开门信号

时间:2019-03-27 15:53 来源:shi97.com  作者:山东龙江门业

  电动门防火卷帘门北京快3的开门信号是触点信号,微波雷达和红外传感器是常用的两种信号源:微波雷达是对物体的位移反应,因而反应速度快,适用于行走速度正常的人员通过的场所,它的特点是一旦在门附近的人员不想出门而静止不动后,雷达便不再反应,山东电动卷帘门门就会关闭,对门机有一定的保护作用;红外传感器对物体存在进行反应,不管人员移动与否,只要处于传感器的扫描范围内,它都会反应即传出触点信号。缺点是红外传感器的反应速度较慢,适用于有行动迟缓的人员出入的场所。

山东防火卷帘门,挡烟垂壁,卷帘门电机控制箱

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