CN216387397U - Direct current electrical prospecting device - Google Patents
Direct current electrical prospecting device Download PDFInfo
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- CN216387397U CN216387397U CN202122799741.9U CN202122799741U CN216387397U CN 216387397 U CN216387397 U CN 216387397U CN 202122799741 U CN202122799741 U CN 202122799741U CN 216387397 U CN216387397 U CN 216387397U
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Abstract
The utility model relates to a direct current electrical prospecting device, which comprises a power supply, a measuring mechanism and two power supply mechanisms, wherein the two power supply mechanisms are respectively connected with the anode and the cathode of the power supply through a circuit and are respectively grounded; the measuring mechanism is positioned between the two power supply mechanisms, is grounded and is used for observing the potential difference of the stable electric field and obtaining the electrical characteristics of the underground geologic body; the direct current electrical prospecting method specifically comprises the following steps: the power supply supplies power to the underground through the two power supply mechanisms to form a stable electric field; the measuring mechanism observes the potential difference of the stable electric field and obtains the electrical characteristics of the underground geologic body. The utility model has simple structure, adopts saturated saline solution to replace a power supply lead and a grounding electrode, can obtain better power supply measurement effect in desert, dry desert and dry ground surface areas, is suitable for depth measurement and section measurement work by a small polar distance direct current method in areas with poor grounding conditions, and has wider application range.
Description
Technical Field
The utility model relates to the technical field of geophysical exploration or detection, in particular to a direct current electrical prospecting device.
Background
At present, a single-core or multi-core copper wire is used as a conducting wire in the conventional direct current electrical prospecting method, a copper electrode is used for measuring voltage, and an iron electrode is used for supplying power. The method is simple and easy to implement, has good durability, but in regions with poor grounding conditions, such as deserts, semi-deserts, dry fill and other ground surface conditions, the grounding resistance is often too large, so that the power supply current is too small, the signal-to-noise ratio of the acquired signal is low, and the requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a direct current electrical prospecting device and aims to solve the problems in the prior art.
The technical scheme for solving the technical problems is as follows:
a direct current electrical prospecting device comprises a power supply, a measuring mechanism and two power supply mechanisms, wherein the two power supply mechanisms are respectively connected with the anode and the cathode of the power supply through lines and are respectively grounded; the measuring mechanism is positioned between the two power supply mechanisms and is grounded, and is used for observing the potential difference of the stable electric field and obtaining the electrical characteristics of the underground geologic body.
The utility model has the beneficial effects that: in the measuring process, the power supply supplies power to the underground through the two power supply mechanisms to form a stable electric field, then the potential difference of the stable electric field is observed through the measuring mechanism, and the electrical characteristics of the underground geologic body are obtained, so that the geological detection problem is solved. The utility model has simple structure, adopts saturated saline solution to replace a power supply lead and a grounding electrode, can effectively improve grounding conditions, improves the signal to noise ratio of data, can obtain better power supply measurement effect in desert, dry desert and dry ground surface areas, is suitable for depth measurement and section measurement work by a small polar distance direct current method in the areas with poor grounding conditions, and has wider application range.
On the basis of the technical scheme, the utility model can be further improved as follows.
Furthermore, the two power supply mechanisms respectively comprise containers filled with liquid conductive media, the two containers are respectively connected with the anode and the cathode of the power supply through lines, and the containers are respectively grounded through insulated power supply pipelines.
The beneficial effect of adopting the above further scheme is that during measurement, the power supply is used for electrifying the liquid conductive media in the two containers, the saturated saline solution is ionized in water and exists in the form of positive ions and negative ions, the positive ions and the negative ions in the saturated saline solution move to the negative electrode and the positive electrode of the electrode respectively under the action of the electrode electric field, the redox reaction is generated on the electrode, or the negative ions emit electrons at the positive electrode, the positive ions absorb the electrons at the negative electrode, the electrons are indirectly enabled to move directionally in the solution, so that the saturated saline solution is conductive, and the stable electric field is formed by supplying power to the underground to supply power to the underground.
Further, the liquid conducting media in the two containers are respectively saturated saline solution.
The beneficial effect of adopting above-mentioned further scheme is that saturated saline solution easily conducts electricity to form stable electric field in the underground, for subsequent measurement, and the cost is lower.
Further, the two containers are cylindrical containers, respectively.
The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, the splendid attire liquid conducting medium of being convenient for, and with low costs.
Furthermore, the two power supply pipelines are respectively plastic pipes for the liquid conductive medium to pass through.
The plastic pipe has the advantages of low cost, good insulating property, safety and reliability.
Furthermore, the two power supply pipelines are respectively hoses for the liquid conductive medium to pass through.
The beneficial effects of adopting above-mentioned further scheme are reasonable in design, make things convenient for the calandria, convenient to use.
Further, the power supply is a direct current electrical method instrument.
The direct current electrical method instrument has the advantages of having the functions of a conventional electrical method and an advanced detection method, being capable of self-detecting ground resistance, self-compensating, automatically observing and processing real-time data, being high in measurement accuracy and strong in anti-interference capability.
Furthermore, the measuring mechanism comprises two measuring electrodes, one ends of the two measuring electrodes are respectively connected with the two measuring binding posts on the direct current electrical method instrument, and the other ends of the two measuring electrodes are respectively grounded.
The further scheme has the beneficial effects that the potential difference of the stable electric field is observed through the two measuring electrodes, so that the electrical characteristics of the underground geologic body are obtained, and the problem of geological detection is solved.
The utility model also relates to a direct current electrical prospecting method, which specifically comprises the following steps:
s1: the power supply supplies power to the underground through the two power supply mechanisms to form a stable electric field;
s2: the measuring mechanism observes the potential difference of the stable electric field and obtains the electrical characteristics of the underground geologic body.
The power supply supplies power to the underground through the two power supply mechanisms to form a stable electric field, and then the potential difference of the stable electric field is observed through the measuring mechanism, and the electrical characteristics of the underground geologic body are obtained, so that the problem of geological detection is solved. The utility model has simple structure, adopts saturated saline solution to replace a power supply lead and a grounding electrode, can effectively improve grounding conditions, improves the signal to noise ratio of data, can obtain better power supply measurement effect in desert, dry desert and dry ground surface areas, is suitable for depth measurement and section measurement work by a small polar distance direct current method in the areas with poor grounding conditions, and has wider application range.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a power source; 2. a container; 3. a power supply line; 4. a measuring electrode; 5. the terminals were measured.
Detailed Description
The principles and features of this invention are described in connection with the drawings and the detailed description of the utility model, which are set forth below as examples to illustrate the utility model and not to limit the scope of the utility model.
As shown in figure 1, the utility model provides a direct current electrical prospecting device, which comprises a power supply 1, a measuring mechanism and two power supply mechanisms, wherein the two power supply mechanisms are respectively connected with the anode and the cathode of the power supply 1 through lines and are respectively grounded, and the power supply 1 supplies power to the underground through the two power supply mechanisms to form a stable electric field; the measuring mechanism is positioned at the ground of the two power supply mechanisms and is used for observing the potential difference of the stable electric field and obtaining the electrical characteristics of the underground geologic body. In the measuring process, the power supply 1 supplies power to the underground through the two power supply mechanisms to form a stable electric field, then the potential difference of the stable electric field is observed through the measuring mechanism, and the electrical characteristics of the underground geologic body are obtained, so that the geological detection problem is solved. The utility model has simple structure, adopts saturated saline solution to replace a power supply lead and a grounding electrode, can effectively improve grounding conditions, improves the signal to noise ratio of data, can obtain better power supply measurement effect in desert, dry desert and dry ground surface areas, is suitable for depth measurement and section measurement work by a small polar distance direct current method in the areas with poor grounding conditions, and has wider application range.
Example 1
On the basis of the above structure, in the present embodiment, the two power supply mechanisms respectively include containers 2 filled with liquid conductive media, the two containers 2 are respectively connected with the positive electrode and the negative electrode of the power supply 1 through lines, and are respectively grounded through the insulated power supply pipeline 3. During measurement, a power supply 1 is used for electrifying liquid conductive media in two containers 2, saturated saline solution is ionized in water and exists in the form of positive ions and negative ions, the positive ions and the negative ions in the saturated saline solution move to the negative electrode and the positive electrode of an electrode respectively under the action of an electrode electric field, redox reaction occurs on the electrode, or the negative ions release electrons at the positive electrode, the positive ions absorb the electrons at the negative electrode, the electrons indirectly move directionally in the solution, so that the saturated saline solution is conductive, and a stable electric field is formed by supplying power to the underground to supply power.
Example 2
On the basis of embodiment 1, in this embodiment, the liquid conductive media in the two containers 2 are respectively saturated saline solutions. The saturated saline solution is easily conductive to form a stable electric field underground for subsequent measurement, and is low in cost.
In addition to the above embodiments, the liquid conductive medium may also be another medium, such as hydrochloric acid.
Example 3
In the present embodiment, the two containers 2 are each a cylindrical container, on the basis of any one of embodiments 1 to 2. The scheme has the advantages of simple structure, reasonable design, convenience in containing the liquid conductive medium and low cost.
In addition to the above embodiments, the two containers 2 may be containers having other suitable geometric shapes, and may be containers having a regular shape, for example, a rectangular structure, or containers having an irregular shape, for example, a cylindrical structure having a thin upper part and a thick lower part.
Example 4
On the basis of any one of embodiments 1 to 3, preferably, in this embodiment, the two power supply lines 3 are plastic pipes through which the liquid conductive medium passes. The plastic pipe has low cost, good insulating property, safety and reliability.
Besides the above embodiments, the two power supply pipelines 3 may also be made of other insulating materials, such as ceramic or glass, which is low in cost, good in insulating property, safe and reliable.
Example 5
On the basis of embodiment 4, preferably, in this embodiment, the two power supply pipelines 3 are hoses through which the liquid conductive medium passes. The scheme has reasonable design, is convenient for arranging pipes and is convenient to use.
Compared with a hard pipeline, the hose is convenient for workers to arrange pipes, and the pipe arrangement is very convenient and the operation is convenient.
Example 6
In addition to the above embodiments, in the present embodiment, the power source 1 is a dc power meter. The direct current electrical method instrument has the functions of a conventional electrical method and an advanced detection method, can perform ground resistance self-detection, self-electricity compensation, automatic observation and instant data processing, and has high measurement precision and strong anti-interference capability.
Example 7
On the basis of embodiment 6, in this embodiment, the measuring mechanism includes two measuring electrodes 4, one end of each of the two measuring electrodes 4 is connected to two measuring terminals 5 on the dc meter, and the other end is grounded. In the measuring process, the potential difference of the stable electric field is observed through the two measuring electrodes 4, so that the electrical characteristics of the underground geologic body are obtained, and the problem of geological detection is solved.
The measuring electrode 4 is a ground electrode selected for measuring potential difference when performing electrical operation on the ground, in a well or in a tunnel, and the prior art is adopted.
Example 8
On the basis of embodiment 6, in this embodiment, the measuring mechanism includes a potentiometer, and during the measurement, the potentiometer observes the potential difference of the stable electric field to obtain the electrical characteristics of the underground geologic body, so as to solve the problem of geological detection.
The schemes of the embodiment 7 and the embodiment 8 are parallel schemes, and both the schemes can observe the potential difference of the stable electric field to obtain the electrical characteristics of the underground geologic body so as to solve the problem of geological detection.
Example 9
On the basis of the above embodiments, the present invention further provides a dc electrical prospecting method, which specifically includes the following steps:
s1: the power supply 1 supplies power to the underground through two power supply mechanisms to form a stable electric field;
s2: the measuring mechanism observes the potential difference of the stable electric field and obtains the electrical characteristics of the underground geologic body.
Based on the scheme, the direct current electrical prospecting method comprises the following specific steps:
s1: the liquid conductive media in the two containers 2 are electrified through the power supply 1, the saturated saline solution is ionized in water and exists in the form of positive ions and negative ions, the positive ions and the negative ions in the saturated saline solution respectively move to the negative electrode and the positive electrode of the electrode under the action of an electrode electric field, redox reaction occurs on the electrode, or the negative ions emit electrons at the positive electrode, the positive ions absorb the electrons at the negative electrode, the electrons indirectly move directionally in the solution, the saturated saline solution is conductive, and therefore stable electric field is formed by supplying power to the underground to supply power to the underground
S2: the potential difference of the stable electric field is observed through the two measuring electrodes 4, so that the electrical characteristics of the underground geologic body are obtained, and the problem of geological detection is solved.
The scheme has a simple structure, the saturated saline solution is adopted to replace a power supply lead and a grounding electrode, the grounding condition can be effectively improved, the data signal to noise ratio is improved, a better power supply measurement effect can be obtained in desert, dry sand desert and dry ground surface areas, the method is suitable for depth measurement and section measurement work by a small polar distance direct current method in the areas with poor grounding conditions, and the application range is wider.
The working principle of the utility model is as follows:
s1: the liquid conductive media in the two containers 2 are electrified through the power supply 1, the saturated saline solution is ionized in water and exists in the form of positive ions and negative ions, the positive ions and the negative ions in the saturated saline solution respectively move to the negative electrode and the positive electrode of the electrode under the action of an electrode electric field, redox reaction occurs on the electrode, or the negative ions emit electrons at the positive electrode, the positive ions absorb the electrons at the negative electrode, the electrons indirectly move directionally in the solution, the saturated saline solution is conductive, and therefore stable electric field is formed by supplying power to the underground to supply power to the underground
S2: the potential difference of the stable electric field is observed through the two measuring electrodes 4, so that the electrical characteristics of the underground geologic body are obtained, and the problem of geological detection is solved.
In the utility model, a power supply 1 supplies power to the underground through two power supply mechanisms to form a stable electric field, then the potential difference of the stable electric field is observed through a measuring mechanism, and the electrical characteristics of the underground geologic body are obtained, so that the problem of geological detection is solved. The utility model has simple structure, adopts saturated saline solution to replace a power supply lead and a grounding electrode, can effectively improve grounding conditions, improves the signal to noise ratio of data, can obtain better power supply measurement effect in desert, dry desert and dry ground surface areas, is suitable for depth measurement and section measurement work by a small polar distance direct current method in the areas with poor grounding conditions, and has wider application range.
In addition, the utility model replaces the connecting metal lead and iron electrode of the power supply part with plastic hose, and the hose is filled with saturated salt water, one section of the hose is placed on the ground and makes the liquid continuously seep to the ground, one section of the hose is connected to the container 2 of the saturated salt water solution, the positive power supply binding post and the negative power supply binding post on the direct current method instrument are directly connected to the container 2 of the salt water solution, and form equal potential bodies with the same. Because the resistivity of the saturated saline solution is very low, the grounding resistance can be reduced to be within ten ohms, the grounding condition is greatly improved, the stable field strength is improved, and the data signal-to-noise ratio is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A direct current electrical prospecting device which characterized in that: the device comprises a power supply (1), a measuring mechanism and two power supply mechanisms, wherein the two power supply mechanisms are respectively connected with the anode and the cathode of the power supply (1) through circuits and are respectively grounded, and the power supply (1) supplies power to the underground through the two power supply mechanisms to form a stable electric field; the measuring mechanism is positioned between the two power supply mechanisms and is grounded, and is used for observing the potential difference of the stable electric field and obtaining the electrical characteristics of the underground geologic body.
2. The direct current electrical prospecting apparatus according to claim 1, characterized in that: the two power supply mechanisms respectively comprise containers (2) filled with liquid conductive media, the two containers (2) are respectively connected with the anode and the cathode of the power supply (1) through lines, and are respectively grounded through insulated power supply pipelines (3).
3. The direct current electrical prospecting apparatus according to claim 2, characterized in that: the liquid conductive media in the two containers (2) are respectively saturated saline solution.
4. The direct current electrical prospecting apparatus according to claim 2, characterized in that: the two containers (2) are cylindrical containers respectively.
5. The direct current electrical prospecting apparatus according to claim 2, characterized in that: the two power supply pipelines (3) are respectively plastic pipes for liquid conductive media to pass through.
6. The direct current electrical prospecting apparatus according to claim 5, characterized in that: the two power supply pipelines (3) are respectively hoses for liquid conductive media to pass through.
7. The direct current electrical prospecting apparatus according to any one of claims 1 to 6, characterized in that: the power supply (1) is a direct current electrical method instrument.
8. The direct current electrical prospecting apparatus according to claim 7, characterized in that: the measuring mechanism comprises two measuring electrodes (4), one ends of the two measuring electrodes (4) are respectively connected with two measuring binding posts (5) on the direct current electrical method instrument, and the other ends of the two measuring electrodes are respectively grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799741.9U CN216387397U (en) | 2021-11-16 | 2021-11-16 | Direct current electrical prospecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799741.9U CN216387397U (en) | 2021-11-16 | 2021-11-16 | Direct current electrical prospecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216387397U true CN216387397U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122799741.9U Active CN216387397U (en) | 2021-11-16 | 2021-11-16 | Direct current electrical prospecting device |
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| CN (1) | CN216387397U (en) |
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2021
- 2021-11-16 CN CN202122799741.9U patent/CN216387397U/en active Active
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