Underground cable self-energized state monitoring device and system

Abstract

The invention relates to an underground cable self-energized state monitoring device and system. The underground cable self-energized state monitoring device comprises a cable magnetic field coupling friction generator, a temperature sensor, a control system, a solar power generation module and a wind power generation module, the cable magnetic field coupling friction generator is attached to a cable, and the cable magnetic field coupling friction generator is electrically connected with the temperature sensor, the cable magnetic field coupling friction generator and the temperature sensor are electrically connected with the control system, the control system is electrically connected with the solar power generation module and the wind power generation module; the cable magnetic field coupling friction generator comprises a shell, a sealing cover, a magnetic sliding wall and an electrode wall, the sealing cover is in sealed connection with the shell, the magnetic sliding wall and the electrode wall are arranged in the shell, an alternating magnetic field around a cable drives the magnetic sliding wall to swing left and right, and the cable magnetic field coupling friction generator supplies power to the temperature sensor and reflects the cable operation condition; according to the invention, the problem of real-time monitoring of any section of the underground cable is solved, and the reliability and safety of underground cable transmission are ensured.

Description

[technical field] [0001] The invention belongs to the field of cable state monitoring, in particular to an underground cable self-supply state monitoring device and system. [Background technique] [0002] The safe operation of underground cables is very important. Cables buried underground may be damaged due to the temperature rise of the cable itself during power transmission; or the cable may be damaged due to the underground environment. Traditional technology requires manual inspection of cables one by one, which is extremely inefficient and cannot achieve sustainable real-time monitoring. However, how to supply power for underground cable status monitoring sensors and systems is unsustainable and polluting. In order to ensure the high reliability and safety of cable transmission, the implementation of active wired transmission is expensive and difficult to maintain. [Content of the invention] [0003] The purpose of the present invention is to solve the above-mentio...

AI Technical Summary

Problems solved by technology

Cables buried underground may be damaged due to the temperature rise of the cable itself during power transmission; or the cable may be damaged due to the underground environment

Traditional technology requires manual inspection of cables one by one, which is extremely inefficient and cannot achieve sustainable real-time monitoring

However, how to supply power to the underground cable status monitoring sensors and systems, the battery power supply is unsustainable and pollutes a lot, and in order to ensure the high reliability and safety of cable transmission, the implementation of active wired transmission is high maintenance cost and difficult

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