门磁开关主要由开关和磁铁两部分组成,开关部分由磁簧开关经引线连接.定型封装而成;磁铁部分由对应的磁场强度的磁铁封装于塑胶或合金壳体内。当两者分开或接近至一定距离后,引起开关的开断从而感应物体位置的变化。
该系统由煤气传感器,人体红外传感器,声控传感器,门磁开关等部分组成。
This system consists of gas sensors, infrared sensor, televox body sensor, door magnetic switch components.
我所做的智能家居安防系统由煤气传感器,人体红外传感器,声控传感器,门磁开关等部分组成。
I do intelligent household security system by gas sensor, infrared sensor, televox body sensor, door magnetic switch components.
高层中的电梯内设对讲话机,设置紧急呼叫按钮和门磁控制开关,安装挂墙明装红外幕帘探测器;
In the high-level elevator supposes to speaks the telephone, the establishment emergency call button, the installment pyroscan;
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