Method, system and apparatus for alarming cable theft
A technology for cables and alarm information, applied in the field of electronic anti-theft, can solve the problems of power line theft, cable theft, cable difficulty, etc., and achieve the effect of timely and accurate cable theft
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Embodiment 1
[0062] System Embodiment 1. After a power outage, the equipment on the power supply side, such as a transformer, continues to send a designated signal to the equipment on the power-taking side, such as a base station. For details, see Figure 4 shown.
[0063] Transformer: A power carrier signal generator is added to the transformer. When the mains power fails, the signal generator continuously outputs the power carrier signal, which is inductively coupled to the phase line of the cable, and transmitted through the phase line to reach the base station several kilometers away. .
[0064] Base station: When the base station is powered off, the signal receiver in the base station is detected by inductance and receives the power carrier signal on the phase line. If the base station detects the power outage moment, it will be received within a second period of time, such as within one minute. If the power carrier signal is received continuously after receiving the power carrier si...
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