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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.

Active Publication Date: 2021-02-05
山东盛帆电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The Internet-based power distribution cabinet management system can improve the management efficiency of the power distribution cabinet. However, the information transmission of the power distribution cabinet is mostly carrier transmission. Because of the long-distance transmission, it often encounters the same or high-frequency signal interference in the atmospheric environment, such as In power plants and signal towers, the carrier signal is often distorted, resulting in inaccurate reception of signals by the Internet-based power distribution cabinet management system, which reduces the use effect of the Internet-based power distribution cabinet management system

Method used

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Experimental program
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Effect test

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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Abstract

The invention discloses 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 a signal transmitter node in the Internet-based power distribution cabinet management system, and the signal sampling module The module is connected to the feedback noise reduction module, and the triode Q1 is used to detect the potential difference between the output signal of the resonance circuit and the emitter signal of the triode Q3. When the difference is too large, it means that the output signal of the operational amplifier AR2 is not within the error range, and the feedback signal is sent to the inverting input terminal of the operational amplifier AR1, and the noise reduction and frequency stabilization are adjusted until the output signal of the operational amplifier AR2 is within the error range. The terminal of the distribution cabinet management system based on the Internet can respond quickly to the distortion of the carrier signal in time.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to an Internet-based power distribution cabinet management system. Background technique [0002] At present, the rapid development of the Internet has prompted the gradual addition of domestic data centers. These devices have high automation, high efficiency, and long continuous operation time. The corresponding requirements for power supply are also very high, and the capacity of low-voltage distribution transformers is also increasing. The performance of low-voltage distribution cabinets is required to be higher and higher, which is the basis for adapting to the rapid development of today's information technology; [0003] The Internet-based power distribution cabinet management system can improve the management efficiency of the power distribution cabinet. However, the information transmission of the power distribution cabinet is mostly carrier transmission. Because of the l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/04H02J13/00
CPCH04B1/0475H02J13/00006Y04S40/128Y02E60/00Y04S40/12
Inventor 袁野
Owner 山东盛帆电子科技有限公司
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