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Real-time cable insulation layer thickness monitoring method and device

A technology for cable insulation and real-time monitoring, applied in measuring devices, optical devices, instruments, etc., can solve the problem of low safety of electric spark source, inability to monitor the thickness and position of cable insulation layer thickness in real time, and inefficient detection methods, etc. problems, to achieve the effects of accurate and comprehensive monitoring information, light weight, and anti-electromagnetic interference.

Active Publication Date: 2016-11-16
BEIJING TONGDU ENG GEOPHYSICS LTD
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method and device for real-time monitoring of the thickness of the cable insulation layer in view of the deficiencies of the prior art, which solves the problem of the low efficiency of the existing detection method, the low safety of the electric spark source, and the inability to monitor the cable insulation in real time. The problem of the degree and position of layer thickness variation

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Embodiment Construction

[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0034] An embodiment of the present invention provides a real-time monitoring device for the thickness of a cable insulation layer.

[0035] Such as figure 1 As shown, a real-time monitoring device for the thickness of the cable insulation layer, the cable includes a metal wire and a cable insulation layer wrapping the metal wire, and the real-time monitoring device includes a fiber grating sensor, a light source, a fiber optic demodulator and a monitoring and warning system. The optical fiber grating sensor is closely coupled with the cable insulation layer, the optical fiber grating sensor is respectively connected with the light source and the optical fiber demodulator, and the optical fiber demodulator is connec...

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Abstract

The invention relates to a cable insulation layer thickness monitoring method and device, and in particular relates to a real-time cable insulation layer thickness monitoring method and device. The real-time monitoring device comprises a fiber grating sensor, a light source, an optical fiber demodulator and a monitoring and warning system. The fiber grating sensor is tightly coupled with a cable insulation layer. The fiber grating sensor is connected with the light source and the optical fiber demodulator. The optical fiber demodulator is connected with the monitoring and warning system. According to the invention, the problem of real-time cable insulation layer thickness variation monitoring is solved; the accident of insulation failure caused by the thinning of the insulation layer is avoided; and the safety of a high voltage and high current carrying cable, such as an electric spark focus discharge cable, is greatly improved.

Description

technical field [0001] The invention relates to a method and a device for monitoring the thickness of a cable insulation layer, in particular to a method and a device for real-time monitoring of the thickness of a cable insulation layer. Background technique [0002] The EDM seismic source is a seismic source that vaporizes the water body to form elastic waves by using an arc generated by high-voltage pulse discharge. It is used in various seismic survey fields such as oil exploration, mineral exploration, and engineering survey. When the spark source discharges, it is generally necessary to transmit the electric energy in the capacitor to the discharge head through the discharge cable. Since the discharge time of the spark source is very short and the energy storage energy is very large, the requirements for the discharge cable are very high, mainly reflected in the insulation capacity and current carrying capacity. For example, for an electric spark source with a nominal ...

Claims

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Application Information

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IPC IPC(8): G01B11/06
Inventor 蒋辉
Owner BEIJING TONGDU ENG GEOPHYSICS LTD
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