磁力锁接了门磁后,反馈信号有的时候正常,有的时候没信号

2025年04月08日 07:18
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点型入侵探测器是指警戒范围仅是一点的报警器,如门、窗、柜台、保险柜等这些警戒的范围仅是某一特定部位,当这些警戒部位的状态被破坏,即能发出入侵信号。点型入侵探测器主要是指开关入侵探测器。该产品常由微动开关或干簧继电器组成探测器:干簧继电器由干簧和磁铁组成,干簧管外壳由玻璃制成,容易破碎,一般将它安装在固定不动的门框或窗框上,磁铁则可安装在活动的门扇和窗扇上。开关传感器的触电容量小,过载能力很差,耐低压,需要控制电路对探测器的输出信号进行处理,完成驱动报警器报警。常用的点型入侵探测器有门窗磁开关,采用微动开关或磁控干簧开关,安装在门窗或卷帘门上,在门窗或卷帘门被打开或遭破坏时立即反应,显示有人闯入。此种探测器在安装时应注意:①不同质地的门窗采用不同的门磁、窗磁开关;②控制距离至少应为被控制门、窗缝隙的2倍;③开关应安装在距离门窗拉手边约15cm处,舌簧关安装在门、窗框上,磁铁安装在门、窗扇上,两者间对准,间距0.5cm左右。
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