A platform for research: civil engineering, architecture and urbanism
The invention relates to a preset device. An inductive probe, a safe box, a power supply, an audible and visual alarm, a sim card automatic emission module and a remote switch are connected in order, the audible and visual alarm is connected in parallel with the sim card automatic emission module, and the audible and visual alarm and the sim card automatic emission modul are connected in series with the inductive probe.
The invention relates to a preset device. An inductive probe, a safe box, a power supply, an audible and visual alarm, a sim card automatic emission module and a remote switch are connected in order, the audible and visual alarm is connected in parallel with the sim card automatic emission module, and the audible and visual alarm and the sim card automatic emission modul are connected in series with the inductive probe.