An internet-based power distribution cabinet management system
A management system and power distribution cabinet technology, applied in the Internet field, can solve problems such as reducing the use effect of the power distribution cabinet management system, carrier signal distortion, and inaccurate received signals.
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Embodiment 1
[0013] Embodiment 1, an Internet-based power distribution cabinet management system, including a signal sampling module and a feedback noise reduction module, the signal sampling module samples the carrier signal of the signal transmitter node in the Internet-based power distribution cabinet management system, and the signal sampling The module is connected to the feedback noise reduction module, and the output signal of the feedback noise reduction module is sent to the Internet-based power distribution cabinet management system terminal through the signal transmitter E1;
[0014] The feedback noise reduction module uses the capacitor C2, the inductor L1 and the resistor R3 to form a resonant circuit, compensates the signal frequency, realizes widening the passband of the signal, and achieves the effect of improving the stability of the signal transmission. When the signal frequency is abnormal, it will cause a series connection Resonance makes the voltage at both ends of the ...
Embodiment 2
[0016] Embodiment 2. On the basis of Embodiment 1, the signal sampling module selects the signal sampler J1 model DAM-3056AH to sample the carrier signal of the signal transmitter node in the Internet-based power distribution cabinet management system, and the voltage regulator tube D1 Voltage stabilization, capacitor C1 and resistor R2 form an RC filter circuit to filter the signal, the power supply terminal of the signal sampler J1 is connected to the power supply +5V, the ground terminal of the signal sampler J1 is grounded, and the output terminal of the signal sampler J1 is connected to the voltage regulator tube D1 Negative electrode and one end of resistor R1, positive electrode of regulator tube D1 is grounded, the other end of resistor R1 is connected to one end of capacitor C1, the other end of capacitor C1 is connected to one end of resistor R2 and the signal input port of the feedback noise reduction module, and the other end of resistor R2 grounded.
[0017]When t...
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