Ring-array combined solid nonpolarizing electrode

A technology of polarized electrodes and combined electrodes, used in electrostatic field measurement, electrical/magnetic exploration, radio wave measurement systems, etc. Simple craftsmanship

Inactive Publication Date: 2012-05-09
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The electrode improves the defects of the original electrode to a certain extent, but in order to ensure the close contact between the electrode and the ground, the ground environment needs to be treated before construction, such as weeding and messy gravel, etc. In addition, although the solid non-polar Chemical electrode, but the measurement electrode cannot be evenly wrapped by the surrounding electrolyte, which affects the accuracy and service life of the electrode to a certain extent

Method used

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  • Ring-array combined solid nonpolarizing electrode
  • Ring-array combined solid nonpolarizing electrode
  • Ring-array combined solid nonpolarizing electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The ring array combined solid non-polarized electrode is composed of four equiangular annularly distributed electrode pins 6 passing through the fixed plate 9, and connected to the array combined electrode cover 5 through the connecting thread 4 on the upper end of the electrode pin 6, and the array combined electrode cover 5 The middle part is equipped with conversion circuit 7, Ui of conversion circuit 7 1 Ui 2  …Ui 4 One-to-one correspondence with the electrode needles 6, that is, there are 4 electrode needles 6 for the solid non-polarized electrode, and 4 Ui for the conversion circuit 7 1 Ui 2  …Ui 4 The connection ports are respectively connected by wires, and the conversion circuit 7 is connected with the electrical instrument through the electrode signal lead-out wire 8 . The solid non-polarized electrode is a measuring electrode 10 plated with Pb by electrolysis in the groove section of the “dumbbell” shaped main bracket 1 of the electrode needle 6, and th...

Embodiment 2

[0045] The ring array combined solid non-polarized electrode is composed of 6 electrode needles 6 distributed in an equiangular ring through the fixed plate 9, and is connected to the array combined electrode cover 5 through the connecting thread 4 on the upper end of the electrode needle 6, and the array combined electrode cover 5 The middle part is equipped with conversion circuit 7, Ui of conversion circuit 7 1 Ui 2  …Ui 6 One-to-one correspondence with the electrode needles 6, that is, there are 6 electrode needles 6 for the solid non-polarized electrode, and 6 Ui for the conversion circuit 7 1 Ui 2  …Ui 6 The connection ports are respectively connected by wires, and the conversion circuit 7 is connected with the electrical instrument through the electrode signal lead-out wire 8 . The solid non-polarized electrode is a measuring electrode 10 plated with Cu by an electrolytic method in the groove section in the middle of the “dumbbell”-shaped main bracket 1 of the ele...

Embodiment 3

[0047] The ring array combined solid non-polarized electrode is composed of 8 electrode needles 6 distributed in an equiangular ring through the fixed plate 9, and is connected to the array combined electrode cover 5 through the connecting thread 4 on the upper end of the electrode needle 6. The middle part is equipped with conversion circuit 7, Ui of conversion circuit 7 1 Ui 2  …Ui 8 One-to-one correspondence with the electrode needles 6, that is, there are 8 electrode needles 6 for the solid non-polarized electrode, and Ui is set for the conversion circuit 7 1 Ui 2  …Ui 8 The connection ports are respectively connected by wires, and the conversion circuit 7 is connected with the electrical instrument through the electrode signal lead-out wire 8 . The solid non-polarized electrode is a measuring electrode 10 plated with Cu by an electrolytic method in the groove section in the middle of the “dumbbell”-shaped main bracket 1 of the electrode needle 6, and the outside of ...

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Abstract

The invention relates to a ring-array combined solid nonpolarizing electrode. N electrode pins circularly distributed at equal angles are connected with an array combined electrode cover after penetrating through a fixed plate, the middle of the array combined electrode cover is provided with a switching circuit, the switching circuit is connected with a galvanic exploration system through an electrode signal leading-out line, and the solid nonpolarizing electrode is formed in such a way that a measurement electrode is formed by planting metal at the groove section of the middle of a dumbbellmain bracket of the electrode pins and a solid electrolyte is coated outside the measurement electrode. The solid nonpolarizing electrode is combined with a metal bar to form the electrode pins, therefore, the invention has high measurement accuracy and high construction efficiency. Especially, a ring-array electrode pin structure is adopted, the electrode pins ensure that the electrode side surface is tightly coupled with the ground around the electrode pins, the array structure enhances the electrode electric field signal amplitude and improves the signal to noise ratio, thereby realizing the property of measuring an electric field in a high-accuracy way. The electrode has convenient field construction, simple maintenance, convenient detection, simple manufacture process and low cost.

Description

Technical field: [0001] The invention relates to an electric field sensor for geophysical exploration, especially a ring array combined solid non-polarized electrode. Background technique: [0002] Existing electric field sensor electrodes generally include the following two types of electrodes: metal electrodes and non-polarized electrodes. The metal electrode directly contacts the earth with the metal to receive the electric field signal. The polarization potential generated on the electrode is mainly related to the parameters of the surrounding environment such as temperature, humidity and concentration. Since the metal directly contacts the earth, the electrode polarization potential is very sensitive to changes in these parameters, resulting in The instability of metal electrodes is not suitable for the acquisition of weak or long-term signals. However, due to the use of relatively hard metals such as copper, iron, lead and other materials, field construction is conven...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/00G01R29/12
Inventor 王艳林君周逢道刘长胜张文秀陈健
Owner JILIN UNIV
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