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Slippage monitoring sensor and side slope slipping strain monitoring system

A technology for monitoring sensors and strain monitoring, applied in the field of sensors, can solve problems such as failure to monitor and monitor slope slippage

Inactive Publication Date: 2017-06-13
BEIJING XIZHUO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, advanced technologies such as sensors such as static levels and GPS have been gradually applied in slope monitoring systems, but such sensors can only monitor the slippage on the surface of the slope, and cannot monitor the slippage inside the slope. Therefore, when There is slippage inside the slope but no slippage on the surface, and no effective slippage information can be detected by this type of monitoring

Method used

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  • Slippage monitoring sensor and side slope slipping strain monitoring system
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  • Slippage monitoring sensor and side slope slipping strain monitoring system

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] see figure 1 , figure 1 It is a structural schematic diagram of the first embodiment of the slip detection sensor of the present invention. The slip detection sensor 10 of this embodiment includes an elastic matrix 11 and a fiber grating array 12 .

[0021] When the strain of the environment where the slip monitoring sensor 10 is located changes, the elastic matrix 11 can be deformed under the force of the strain, and can return to its original shape a...

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Abstract

The invention discloses a slippage monitoring sensor and a side slope slipping strain monitoring system. The slippage monitoring sensor comprises an elastic matrix and a fiber bragg grating array which consists of a plurality of fiber bragg gratings packaged in the elastic matrix. By above method, when the locational strain of the slippage monitoring sensor changes, the elastic matrix is deformed under the strain force. Meanwhile, refractive index modulation periods and fiber core refractive indexes of a plurality of the fiber bragg gratings disposed in the elastic matrix change with the deformation of the elastic matrix, further resulting in the change in wave length of reflected light of the fiber bragg gratings. Thus, the slippage monitoring sensor and the side slope slipping strain monitoring system are capable of effectively monitoring the slippage inside the slide slope through a feedback of the change in wave length of reflected light by each fiber bragg grating before and after the change in strain.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a slip monitoring sensor and a slope slip strain monitoring system. Background technique [0002] The subgrade settlement and slope health monitoring system can ensure the safe operation of the road, predict the slope disease and prolong the service life of the road. At present, advanced technologies such as sensors such as static levels and GPS have been gradually applied in slope monitoring systems, but such sensors can only monitor the slippage on the surface of the slope, and cannot monitor the slippage inside the slope. Therefore, when There is slippage inside the slope but no slippage on the surface, and no effective slippage information can be obtained from this type of monitoring. Contents of the invention [0003] The invention provides a slip monitoring sensor and a side slope slip strain monitoring system to realize effective monitoring of the slip inside the side s...

Claims

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Application Information

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IPC IPC(8): G01B11/16
CPCG01B11/165
Inventor 郭科峰何毛张鑫
Owner BEIJING XIZHUO INFORMATION TECH CO LTD
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