Electrode device for measuring seabed weak electric field signal and manufacture method of electrode device

An electrode device and electrode technology, applied in the field of electrochemical technology and geophysical exploration, can solve the problems of long acquisition time, inability to obtain accurate and consistent signals, inconsistent signal accuracy, etc., and achieve good stability and good weak signals Resolving power, reliable performance

Inactive Publication Date: 2012-07-25
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Application Information

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Problems solved by technology

[0004] 2. Submarine electric field signals are mainly medium and low frequency signals, so the acquisition time is relatively long
[0006] At present, silver/silver chloride (Ag/AgCl) is selected as the basic material of marine electrodes in research and experiment, but its commonly used electrodes are solid silver/silve

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  • Electrode device for measuring seabed weak electric field signal and manufacture method of electrode device
  • Electrode device for measuring seabed weak electric field signal and manufacture method of electrode device
  • Electrode device for measuring seabed weak electric field signal and manufacture method of electrode device

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Embodiment Construction

[0033] The electrode device for measuring the weak electric field signal on the seabed and its preparation method of the present invention will be described in detail below with reference to the accompanying drawings. fall within the scope of the present invention; in addition, the scope of protection of the present invention should not be limited only to the specific structure or specific parameters of the components of the electrode device used to measure the weak electric field signal on the seabed.

[0034] According to the research, firstly, the Ag / AgCl electrode has two phase interfaces (Ag|AgCl|Cl) in seawater - ), Ag and AgCl on the electrode surface participate in the reaction as anode and cathode respectively and tend to balance, and the electrode reaction is expressed as:

[0035]

[0036] When the signal current passes through the surface of the electrode, the above balance is deviated, and the electrode is polarized. Only when the electrode depolarization and ...

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Abstract

The invention discloses an electrode device for measuring a seabed weak electric field signal and a manufacture method of the electrode device. The electrode device comprises a silver/silver chloride electrode, an electrode boot, an electrode protective cover and a signal transmission connector, wherein the silver/silver chloride electrode comprises a silver/silver chloride electrode sheet, a micropore tube, an organic glass rod and a mixture of silver chloride powder and diatomite; the electrode boot and the electrode protective cover are made of ABS (Acrylonitrile Butadiene Styrene) materials; the upper part of the electrode boot is designed for realizing the connection of the signal transmission connector with the silver/silver chloride electrode and the sealing of the silver/silver chloride electrode; the lower part of the electrode boot and the electrode protective cover are provided with multiple pores in the surfaces; the signal transmission connector is sealed on the top end by using an O-shaped ring and the electrode boot; and the electrode protective cover is fixed on the bottom of the electrode boot. The electrode device provided by the invention has lower noise, betterweak signal distinguishing capacity and good stability, and can be used for accurately measuring the seabed weak electric field signal.

Description

technical field [0001] The invention relates to the technical field of electrochemistry and the field of geophysical exploration, in particular to an electrode device for measuring weak electric field signals on the seabed and a preparation method thereof, which are suitable for collecting weak electric field signals on the seabed. Background technique [0002] The collected submarine magnetotelluric signals, after data processing, can reveal the distribution law of the rock medium below the seafloor, understand the complex underground geological conditions, and detect the reserves and distribution of submarine oil, natural gas hydrates and various mineral deposits. However, the submarine electric field signal is different from the terrestrial electric field signal, which is embodied in: [0003] 1. Due to the attenuation of the signal due to the high conductivity shielding effect of seawater, the electric field signal of the seabed is extremely weak compared with the land. ...

Claims

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Application Information

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IPC IPC(8): G01V3/08
Inventor 王振东邓明陈凯王猛魏文博张启升成天黄江杰
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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