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A sensor for rock and soil seepage monitoring and its preparation method

A technology for monitoring sensors and sensors, used in fluid velocity measurement, fluid resistance measurement, instruments, etc., can solve the problems of high cost and difficult to integrate continuous monitoring of sensors, and achieve the effect of small measurement distance, simple structure, and no environmental pollution.

Inactive Publication Date: 2018-06-08
WUHAN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the traditional tracer method, since the tracer is mostly a dye or an electrolyte solution, a special dosing device is required, and the dosing point and the measurement location must be separated by a long distance, so it is difficult to design an integrated sensor to achieve continuous monitoring; The temperature field changes to determine the seepage velocity and flow direction. The fiber optic temperature measurement and seepage monitoring system is a typical representative of this type. Since the fiber optic temperature measurement and seepage monitoring system needs to lay optical fibers within the monitoring range, the cost is relatively high

Method used

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  • A sensor for rock and soil seepage monitoring and its preparation method
  • A sensor for rock and soil seepage monitoring and its preparation method
  • A sensor for rock and soil seepage monitoring and its preparation method

Examples

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example 1

[0027] Example 1: Measuring conductivity at 50-1500μS cm -1 Natural water between, flow velocity range 0.01cm s -1 -0.1cms -1 , a flow velocity measurement sensor with a fixed direction and a preparation method thereof,

[0028] Such as figure 1 As shown, the sensor includes a substrate and a pair of electrolytic electrodes and one or more pairs of conduction electrodes fixedly arranged on the substrate;

[0029] The electrolytic electrodes are used to generate electrolytic polarization;

[0030] The conductivity electrode is used to measure the conductivity of the system;

[0031]

[0032] The material of the electrolytic electrode is copper; the shape of the electrode is parallel strips, the electrode width is 1.00mm, the length is 5.00mm, the thickness is 35μm, the distance is 1.00mm, and the electrode constant is about 0.4;

[0033] The material of the conductance electrode is copper, the electrode shape is parallel strips, the electrode width is 1.00mm, the length...

example 2

[0041] Example 2: Measuring conductivity at 50-1500μS cm -1 Natural water between, flow velocity range 0.01cm s -1 -0.1cms -1 , Flow rate measurement sensor with non-fixed direction and preparation method.

[0042] Such as figure 2 As shown, the sensor includes a substrate and a pair of electrolytic electrodes and one or more pairs of conduction electrodes fixedly arranged on the substrate;

[0043] The electrolytic electrodes are used to generate electrolytic polarization;

[0044] The conductivity electrode is used to measure the conductivity of the system;

[0045]

[0046] The material of the electrolytic electrode is copper; the shape of the electrode is concentric circle, the inner electrode diameter is 1.00mm, the line width is 0.50mm, the outer electrode diameter is 3.00mm, the line width is 0.50mm, the electrode thickness is 35μm, the distance is 1.00mm, and the electrode constant is about 0.2;

[0047]The material of the conductivity electrode is copper, and...

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Abstract

The invention discloses a rock-soil seepage monitoring sensor and a preparation method thereof. The sensor preparation method comprises the following steps: (1) calculating and determining the distance between an electrolysis electrode and a conductance electrode; (2) determining the material, shape and size of a substrate; (3) Determine the material, shape and size of the electrolysis electrodes; (4) Determine the material, shape, size and number of the conductivity electrodes; (5) Make and fix the electrodes. The sensor manufactured by the invention has the advantages of simple structure, small volume, low cost, no new substances are introduced in the tracing process, no environmental pollution, the required measuring distance of the method is small, and flow velocity components in multiple directions can be simultaneously measured.

Description

technical field [0001] The invention relates to the technical field of rock and soil seepage monitoring, in particular to a rock and soil seepage monitoring sensor and a preparation method. Background technique [0002] Seepage flow direction and flow velocity are very important parameters in the fields of geotechnical engineering and hydrogeology, and are also of great significance to the research of pollutant migration, oil and gas development, water and soil erosion and other related issues. In the traditional tracer method, since the tracer is mostly a dye or an electrolyte solution, a special dosing device is required, and the dosing point and the measurement location must be separated by a long distance, so it is difficult to design an integrated sensor to achieve continuous monitoring; The temperature field changes to determine the seepage velocity and flow direction. The fiber optic temperature measurement and seepage monitoring system is a typical representative of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P5/00G01R27/22
Inventor 秦孙巍邱丹丹孙静月李先福李云安
Owner WUHAN INSTITUTE OF TECHNOLOGY
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