CN115755189A - High-density depth sounding device - Google Patents

High-density depth sounding device Download PDF

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Publication number
CN115755189A
CN115755189A CN202211520220.8A CN202211520220A CN115755189A CN 115755189 A CN115755189 A CN 115755189A CN 202211520220 A CN202211520220 A CN 202211520220A CN 115755189 A CN115755189 A CN 115755189A
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China
Prior art keywords
power supply
electrode
electrodes
cable
supply electrode
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CN202211520220.8A
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Chinese (zh)
Inventor
张春凤
张益胜
彭祥
王宏伟
龙祥忠
刘小川
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Cge Chongqing Geological Instrument Co ltd
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Cge Chongqing Geological Instrument Co ltd
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Priority to CN202211520220.8A priority Critical patent/CN115755189A/en
Publication of CN115755189A publication Critical patent/CN115755189A/en
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Abstract

The invention discloses a high-density sounding device, which relates to the field of measurement and comprises electrodes and cables, wherein the electrodes comprise at least one group of power supply electrodes and corresponding measurement electrodes, a first power supply electrode, a second power supply electrode and a third power supply electrode are arranged as a group of power supply electrodes, and a current focusing effect is formed among the first power supply electrode, the second power supply electrode and the third power supply electrode, can enhance an electric field generated by the power supply electrodes, improves the current density, ensures that the whole device is slightly influenced by the external environment, improves the signal-to-noise ratio and the anti-interference capability, and ensures the accuracy and the reliability of a measurement result. The cable comprises the power supply cable and the measuring cable, the power supply cable and the measuring cable are distinguished, the measuring flexibility is enhanced, and the requirement for high-precision measurement in the construction process is met more easily.

Description

High-density sounding device
Technical Field
The invention relates to the field of measurement, in particular to a high-density depth sounding device.
Background
With the rapid development of economy in China, infrastructure projects such as roads, bridges, tunnels, dams and the like are widely developed, and during construction of the infrastructure projects, the geological conditions of a construction area need to be known in detail so as to make detailed assessment on subsequent construction work. Electrical prospecting is a method for effectively measuring geological conditions, and the method can detect the conditions of the position, the distribution range and the like of a geologic body by taking the electrical property difference of the geologic body as a detection basis. The existing high-density electrical method is to arrange a power supply electrode and a measuring electrode for detection on the same cable, determine the electrical property below the power supply electrode through potential difference among a plurality of groups of measuring electrodes so as to further confirm a depth measurement curve later, and then change the positions of the power supply electrode and the measuring electrode through operations such as moving the cable or lengthening the cable and the like so as to determine the geological condition of the bottom three-dimensional.
In the prior art, two power supply electrodes A and B are generally arranged, the two power supply electrodes A and B can be used as two independent power supply electrodes, the two power supply electrodes A and B can also be used as a whole, the power supply voltage of one electrode is higher, the power supply voltage of the other electrode is lower, but electric fields generated by the two methods are weaker, the current density is lower, and the whole electric field is easily influenced by external environment and other interference factors, so that a final measurement result has larger error.
Disclosure of Invention
The invention aims to provide a high-density sounding device, which is slightly influenced by the external environment, improves the signal-to-noise ratio and the anti-interference capability, ensures the accuracy and the reliability of a measurement result, enhances the measurement flexibility, and more easily meets the requirement of high-precision measurement in the construction process.
In order to solve the technical problem, the invention provides a high-density depth sounding device which comprises an electrode and a cable, wherein the cable comprises a power supply cable and a measuring cable;
the electrodes comprise at least one group of power supply electrodes and n pairs of measuring electrodes corresponding to the power supply electrodes, wherein n is a positive integer;
the power supply electrodes of one group comprise a first power supply electrode, a second power supply electrode and a third power supply electrode, the first power supply electrode and the third power supply electrode are arranged on the power supply cable, and the power supply voltage of the first power supply electrode and the power supply voltage of the third power supply electrode are both greater than the power supply voltage of the second power supply electrode;
n pairs of the measuring electrodes are arranged on the measuring cable;
the second power supply electrode is arranged on the power supply cable or the measuring cable, the position of the second power supply electrode is the intersection position of the measuring cable and a midline, and the midline is the midline of the first power supply electrode and the third power supply electrode.
Preferably, the method comprises the following steps: the power supply electrodes are in multiple groups, and the second power supply electrodes in each group of power supply electrodes are arranged in a rectangular array.
Preferably, it comprises: the power supply electrodes are in multiple groups, and the second power supply electrodes in each group of power supply electrodes are arranged in a circular array.
Preferably, the measuring electrode is a non-polarizing electrode.
Preferably, the measuring cable and the power supply cable are spliced.
Preferably, the first and third feeding electrodes are symmetrical with respect to the second feeding electrode.
Preferably, the supply voltages of the first supply electrode and the third supply electrode are equal.
The invention provides a high-density sounding device which comprises an electrode and a cable, wherein the electrode comprises at least one group of power supply electrodes and corresponding measuring electrodes, the first power supply electrode, the second power supply electrode and the third power supply electrode are arranged as a group of power supply electrodes, a current focusing effect is formed among the first power supply electrode, the second power supply electrode and the third power supply electrode, the current focusing effect can enhance an electric field generated by the power supply electrodes, the current density is improved, the whole device is slightly influenced by the external environment, the signal-to-noise ratio and the anti-interference capability are improved, and the accuracy and the reliability of a measuring result are ensured. The cable comprises the power supply cable and the measuring cable, the power supply cable and the measuring cable are distinguished, the measuring flexibility is enhanced, and the requirement for high-precision measurement in the construction process is met more easily.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-density depth sounding device according to the present invention;
FIG. 2 is a schematic structural diagram of another high-density depth finder according to the present invention;
FIG. 3 is a schematic structural diagram of another high-density depth measurement device provided in the present invention;
fig. 4 is a schematic view illustrating a current focusing effect formed by a high-density depth finder according to the present invention.
Detailed Description
The core of the invention is to provide a high-density depth sounding device, the whole device is slightly influenced by the external environment, the signal-to-noise ratio and the anti-interference capability are improved, the accuracy and the reliability of a measurement result are ensured, the measurement flexibility is enhanced, and the requirement of high-precision measurement in the construction process is more easily met.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a high-density depth sounding device according to the present invention; a high-density sounding device comprises electrodes and cables, wherein the cables comprise a power supply cable 11 and a measuring cable 12;
the electrodes comprise at least one group of power supply electrodes and n pairs of measuring electrodes corresponding to the power supply electrodes, wherein n is a positive integer;
the group of power supply electrodes comprises a first power supply electrode A1, a second power supply electrode B and a third power supply electrode A2, the first power supply electrode A1 and the third power supply electrode A2 are arranged on a power supply cable 11, and the power supply voltage of the first power supply electrode A1 and the power supply voltage of the third power supply electrode A2 are both greater than the power supply voltage of the second power supply electrode B;
the n pairs of measuring electrodes are arranged on the measuring cable 12;
the second power supply electrode B is arranged on the power supply cable 11 or the measuring cable 12, the position of the second power supply electrode B is the intersection position of the measuring cable 12 and the middle line, and the middle line is the middle line of the first power supply electrode A1 and the third power supply electrode A2.
In practical application, a depth measurement process needs a power supply electrode and a measurement electrode, the different power supply electrodes have corresponding measurement electrodes, M and N shown in fig. 1 are a pair of measurement electrodes, the power supply electrodes in the high-density depth measurement device provided by the application include a first power supply electrode A1, a second power supply electrode B and a third power supply electrode A2, the first power supply electrode A1, the second power supply electrode B and the third power supply electrode A2 are used as a set of power supply electrodes, and the power supply voltage of the first power supply electrode A1 and the power supply voltage of the third power supply electrode A2 are both greater than the power supply voltage of the second power supply electrode B, because the power supply voltage of the second power supply electrode B is smaller, the directions of electric fields generated by the first power supply electrode A1 and the third power supply electrode A2 are opposite to the directions of the electric fields generated by the second power supply electrode B, a current line flows from the first power supply electrode A1 and the third power supply electrode A2 to the second power supply electrode B, the current density is greater the current density is greater the signal density, and the higher the current density signal is the higher the focusing effect of the peripheral focusing electrode B, and the invention is provided by a high-density measurement device, which is schematically illustrated in fig. 4; when power is supplied, current flows out from the first power supply electrode A1 and the third power supply electrode A2, flows to the second power supply electrode B after passing through a geologic body below, the measuring electrode takes the second power supply electrode B as a center, electric potentials at different distances from the second power supply electrode B are measured gradually by keeping away from the second power supply electrode B, and the electric field distribution conditions at different depths below the second power supply electrode B are represented by the measured electric potentials at different distances from the second power supply electrode B, so that the electrical characteristics of the second power supply electrode B are obtained, a depth measurement curve is further confirmed subsequently, and further analysis on geological conditions is facilitated for subsequent workers.
It should be noted that the electrical characteristic of the second power supply electrode B may be obtained through the potential signal detected by the measuring electrode, and other electrical signals such as a current signal and a resistance signal detected by the measuring electrode may also be used to characterize the electric field distribution conditions at different depths below the second power supply electrode B, and the electrical characteristic of the second power supply electrode B may also be obtained, and multiple electrical signals may also be measured, and the electrical characteristic of the second power supply electrode B may be obtained through comprehensive analysis. The method has the advantages that the electrical characteristics of the same depth can be measured for different power supply electrodes, the electrical characteristics of different depths can also be measured, the change step length of the depth and the like in the process of confirming the electrical characteristics are not limited too much, the depth measured by the power supply electrodes, the distance between different depths and the like are not limited specially, and the method is adjusted according to the actual measurement condition.
Considering that the measuring electrode also causes certain interference to the electric field generated by the power supply electrode, the cable is divided into a power supply cable 11 and a measuring cable 12, the first power supply electrode A1 and the third power supply electrode A2 are arranged on the power supply cable 11, the measuring electrode is arranged on the measuring cable 12, and the second power supply electrode B is taken as the intersection point of the power supply cable 11 and the measuring cable 12, and can be arranged on the power supply cable 11 or the measuring cable 12. Generally, the difference between the power supply voltages of the first power supply electrode A1 and the third power supply electrode A2 is small and almost equal to ensure that the electric field intensity formed by the power supply electrodes is stable, and basically, the intersection point of the current lines formed by the first power supply electrode A1 and the third power supply electrode A2 is at the middle point of the two, and the second power supply electrode B is located on the middle line of the first power supply electrode A1 and the third power supply electrode A2.
Specifically, with supply cable 11 and measuring cable 12 separation, can realize the measurement at the electric property of different angles to second supply electrode B through the contained angle realization between adjustment supply cable 11 and the measuring cable 12, also can set up many measuring cables 12 to same second supply electrode B, realize the measurement to the omnidirectional electric property of second supply electrode B, realize the precision scanning to the wide range multi-angle of geology condition, satisfy the following shape precision scanning to the target body, the nimble measuring mode that can select according to particular case, reduce artifical extravagant, improve work efficiency, with supply cable 11 and measuring cable 12 separation also can further ensure to further increase the measurement depth of second supply electrode B below, can all realize through increase measuring cable 12 alone or translation measuring cable 12 etc.. The specific arrangement of the power supply cable 11 and the measurement cable 12, the type, number, length, etc. of the cables, and the cables are not particularly limited in this application, and the cables may be large-wire cables, etc. In general, the measurement process is to use the measured potentials at different distances from the second feeding electrode B to characterize the electric field distribution at different depths below the second feeding electrode B based on the equipotential surface of the second feeding electrode B, and the feeding cable 11 and the measurement cable 12 can be vertically arranged by considering the shape of the equipotential line of the second feeding electrode B.
In practical applications, a pair of measuring electrodes may be composed of two adjacent electrodes or two electrodes separated by one electrode, generally, the distance between two electrodes in a pair of measuring electrodes is as small as possible to ensure the accuracy of the measuring result, and the distance between a pair of measuring electrodes and the specific measuring process are not particularly limited herein. The specific arrangement of the pairs of measuring electrodes and the direction of the feeding electrodes for a group of feeding electrodes is not particularly limited in this application.
It can be understood that a plurality of electrodes are arranged on the cable, when a depth measurement process starts, one electrode is determined as a second power supply electrode B, then the second power supply electrode B is used as an intersection point to determine a power supply cable 11 and a measurement cable 12, two electrodes are determined on the power supply cable 11 as a first power supply electrode A1 and a third power supply electrode A2 according to a position relationship, and the electrodes on the measurement cable 12 can be used as measurement electrodes, wherein the specific selection depends on the depth requirement to be measured. Therefore, the selection of the power supply cable 11 and the measurement cable 12 is not fixed, one cable may be used as the power supply cable 11 or the measurement cable 12, the power supply cable 11 in one measurement process may be used as the measurement cable 12 in other measurement processes, and the material, size, length, etc. of the cables are not particularly limited in this application.
It can be understood that the selection of the power supply electrode and the measurement electrode is not fixed, one electrode may be used as a power supply electrode or a measurement electrode, the power supply electrode in one measurement process may be used as a measurement electrode in other measurement processes, in practical applications, the measurement electrode may be a plurality of different pairs of electrodes or a pair of electrodes, when the measurement electrode is a plurality of pairs of electrodes, the electrical characteristic of the second power supply electrode B may be directly obtained according to the measurement result of the measurement electrode in different pairs, when the measurement electrode is a pair of electrodes, after obtaining one measurement result, the measurement of the electrical potentials of different depths of the second power supply electrode B is completed by translating the pair of measurement electrodes or translating the corresponding measurement cable 12, and the electrical characteristic of the second power supply electrode B may also be obtained. Specifically, the material, size, shape, and the like of the electrode are not particularly limited in this application.
It can be understood that, when the power supply electrode was the multiunit, measure a plurality of second power supply electrode B's electrical property, can acquire the three-dimensional geological conditions of corresponding bottom, supply cable 11 and measuring cable 12 separation are supplied with power to this application, can realize detecting the geological conditions of the bottom of arbitrary shape, the measurement process is more nimble, also can acquire more data in order to satisfy the required precision of measurement, this application such as the shape of arranging and the arrangement area size of electrode and cable does not do special restriction here in the concrete application, the regional nimble change of geology that can detect as required.
The invention provides a high-density sounding device which comprises an electrode and a cable, wherein the electrode comprises at least one group of power supply electrodes and corresponding measuring electrodes, a first power supply electrode A1, a second power supply electrode B and a third power supply electrode A2 are arranged as a group of power supply electrodes, a current focusing effect is formed among the first power supply electrode A1, the second power supply electrode B and the third power supply electrode A2, the current focusing effect can enhance an electric field generated by the power supply electrodes, the current density is improved, the whole device is slightly influenced by the external environment, the signal-to-noise ratio and the anti-interference capability are improved, and the accuracy and the reliability of measuring results are ensured. The cable comprises the power supply cable 11 and the measuring cable 12, the power supply cable 11 and the measuring cable 12 are distinguished, measuring flexibility is enhanced, and the requirement for high-precision measurement in the construction process is met more easily.
On the basis of the above-described embodiment,
as a preferred embodiment, comprising: the power supply electrodes are in multiple groups, and the second power supply electrodes B in each group of power supply electrodes are arranged in a rectangular array.
Considering that in practical application, not only the electrical characteristics of one point need to be analyzed, a plurality of groups of power supply electrodes can be arranged, the second power supply electrodes B in each group of power supply electrodes are arranged in a rectangular array, and the electrical characteristics below each second power supply electrode B can be obtained, so that the geological condition of an underground cube is obtained. The measurement process of the electrical characteristic of the second feeding electrode B among the plurality of sets of feeding electrodes is a repeated work of the measurement process of the single second feeding electrode B in the above-described embodiment.
Specifically, the second power supply electrode B in each group of power supply electrodes is arranged in a rectangular array, and a plurality of power supply cables 11 and measuring cables 12 need to be arranged, and the specific arrangement shape, arrangement area size and the like are not particularly limited in this application, and the geological region that can be detected as required can be flexibly changed.
Taking the rectangular measurement area as an example, please refer to fig. 2, fig. 2 is a schematic structural diagram of another high-density depth sounding device provided by the present invention; the plurality of power supply cables 11 are arranged in parallel at the same interval, the plurality of measurement cables 12 are arranged in parallel at the same interval, intersection points exist between each measurement cable 12 and each power supply cable 11, the intersection points can be used as second power supply electrodes B, when one of the intersection points is selected as the second power supply electrode B as shown in the figure, the intersection point of the corresponding power supply cable 11 and the measurement cable 12 on the two sides of the point can be used as a first power supply electrode A1 and a third power supply electrode A2, and the intersection point of the corresponding measurement cable 12 and the other power supply cables 11 can be used as a measurement electrode. It can be understood that, when a certain intersection point is selected as the second feeding electrode B, the electrodes on the feeding cable 11 corresponding to the intersection point can be both used as the first feeding electrode A1 and the third feeding electrode A2, and it is only necessary that the two electrodes are substantially symmetrical about the intersection point, and the electrodes on the measuring cable 12 corresponding to the intersection point can be both used as the measuring electrodes, and for the measuring electrodes, the specific selection of the first feeding electrode A1 and the third feeding electrode A2 is not particularly limited herein.
In practical application, a plurality of cables can be laid simultaneously and then the plurality of groups of power supply electrodes are measured, large-range and multi-angle precision scanning of geological conditions is achieved, manual waste is reduced, and working efficiency is improved. The denser the plurality of sets of power supply electrodes are, the more accurate the final measurement result is, and the density of the power supply electrodes and the number of sets are not particularly limited in this application.
When the power supply electrode is the multiunit, can be with the second power supply electrode B among every group power supply electrode be the rectangle array and arrange, realize the detection to the geological conditions of the below of a rectangle, multiunit power supply electrode can realize the detection to the geological conditions of a solid area, and is more comprehensive to the probing result of geological conditions, makes the detection scope of whole device bigger, and application environment is wider, has improved the measurement accuracy of whole device.
As a preferred embodiment, comprising: the power supply electrodes are in multiple groups, and the second power supply electrodes B in each group of power supply electrodes are arranged in a circular array.
Considering that the electrical characteristics of one point need to be analyzed in practical application, multiple groups of power supply electrodes can be arranged, the second power supply electrodes B in each group of power supply electrodes are arranged in a circular array, the electrical characteristics below each second power supply electrode B can be obtained, and therefore the geological condition of an underground cylinder is obtained. The measurement process of the electrical characteristic of the second feeding electrode B among the plurality of sets of feeding electrodes is a repeated work of the measurement process of the single second feeding electrode B in the above-described embodiment.
Specifically, the second power supply electrode B in each group of power supply electrodes is in a circular array arrangement and needs to be provided with a plurality of cables, and the specific arrangement shape, the arrangement area size and the like are not particularly limited in the application, so that the geological region which can be detected as required can be flexibly changed.
Taking a measuring area as a perfect circle as an example, please refer to fig. 3, and fig. 3 is a schematic structural diagram of another high-density depth sounding device provided by the present invention, depth sounding points marked in the diagram can be used as the second power supply electrode B, and depth sounding curves marked in the diagram represent all the obtained depth sounding curves after each depth sounding point is used as the second power supply electrode B for measurement, so as to represent the geological condition of the cylinder; the cables are arranged in a radioactive mode from the same end point, included angles between every two adjacent cables are the same, a plurality of concentric circles are drawn by taking the end point as the center, intersection points of the concentric circles and the cables can be used as second power supply electrodes B, when three adjacent cables are determined as shown in the figure, electrodes at the same positions of the cables on two sides are used as first power supply electrodes A1 and third power supply electrodes A2, the position where a sector arc length between the first power supply electrode A1 and the third power supply electrode A2 intersects with the cable in the middle is used as the second power supply electrode B, and the electrode on the cable in the middle can be used as a measuring electrode. The cables at both sides are called the power supply cables 11, the cable at the middle is called the measuring cable 12, and the specific choice of the first power supply electrode A1 and the third power supply electrode A2 for the measuring electrode is not particularly limited herein.
In practical application, a plurality of cables can be laid simultaneously and then the plurality of groups of power supply electrodes are measured, large-range and multi-angle precision scanning of geological conditions is achieved, manual waste is reduced, and working efficiency is improved. The denser the multiple groups of power supply electrodes are, the more accurate the final measurement result is, and the density of the power supply electrodes and the number of the groups are not particularly limited in this application.
When the power supply electrode is the multiunit, can be with the second power supply electrode B among every group power supply electrode be circular array and arrange, realize the detection to the geology condition of a circular below, multiunit power supply electrode can realize the detection to the geology condition of a solid area, and is more comprehensive to the probing result of geology condition, makes the detection scope of whole device bigger, and application environment is wider, has improved the measurement accuracy of whole device.
As a preferred embodiment, the measuring electrode is a non-polarizing electrode.
Considering that when the electrode is made of a polar material and the electrode is charged and discharged in the process of electrification measurement, the electric field generated by the power supply electrode is interfered, so that the detection result is influenced, the non-polarized electrode can be used as the measuring electrode, and when the measuring electrode is the non-polarized electrode, the measured value for representing the electric field distribution conditions of different depths below the second power supply electrode B can be the corresponding parameters such as the visual polarization rate Ms, the half-decay Th, the attenuation D, the comprehensive excitation parameter Zp and the deviation R, so that the multi-parameter measurement is further realized.
It is understood that the feeding electrode may also be a non-polarized electrode, so as to further ensure the accuracy of the measurement result, and the specific electrodes and the number of electrodes are not particularly limited in this application.
The measuring electrode adopts the unpolarized electrode, reduce because the error that the influence of electrode material itself caused the measuring result, make the measuring result more accurate, guaranteed the reliability of measuring result, improved measured data's SNR, promoted the accuracy of sounding process, improved the measurement accuracy and the interference killing feature of whole device, the unpolarized electrode still includes multiple parameter simultaneously, can further characterize the electric field distribution condition of the different degree of depth in second power supply electrode B below through these parameters, improve the accuracy of measuring result.
As a preferred embodiment, the measuring cable 12 and the supply cable 11 are spliced.
Considering the intersection condition of the measuring cable 12 and the power supply cable 11, when the measuring cable 12 and the power supply cable 11 intersect, the measuring cable 12 and the power supply cable 11 are lapped, so that the intersection point of the measuring cable 12 and the power supply cable 11 can be ensured to be overlapped with the second power supply electrode B as much as possible, and the accuracy of the measuring result is further ensured. Meanwhile, the overlapping mode can avoid the conditions of position deviation and the like of the cable caused by the influence of external factors.
The measuring cable 12 and the power supply cable 11 are lapped, so that the intersection point of the measuring cable 12 and the power supply cable 11 is approximately coincided with the second power supply electrode B, the measuring result is more accurate, the reliability of the measuring result is ensured, the accuracy of the depth sounding process is improved, and the measuring precision and the anti-interference capability of the whole device are improved.
As a preferred embodiment, the first feeding electrode A1 and the third feeding electrode A2 are symmetrical with respect to the second feeding electrode B.
It can be understood that, when the first power supply electrode A1 and the third power supply electrode A2 are symmetrical with respect to the second power supply electrode B, the three are on the same line, and the voltage of the first power supply electrode A1 and the third power supply electrode A2, the distance between the first power supply electrode A1 and the third power supply electrode A2, the potential direction, etc. are all symmetrical with respect to the second power supply electrode B, the current focusing effect formed by a group of power supply electrodes is better, so that the second power supply electrode B can fully utilize the electric field formed by the first power supply electrode A1 and the third power supply electrode A2, the signal-to-noise ratio of the measured data is improved, and the accuracy of the measured result is further ensured.
When the first power supply electrode A1 and the third power supply electrode A2 are symmetrical about the second power supply electrode B, the formed current focusing effect is better, the measuring result is more accurate, the signal-to-noise ratio of the measured data is improved, the reliability of the measuring result is ensured, the accuracy of the depth measuring process is improved, and the measuring precision and the anti-interference capability of the whole device are improved.
As a preferred embodiment, the supply voltages of the first supply electrode A1 and the third supply electrode A2 are equal.
Specifically, when the power supply voltages of the first power supply electrode A1 and the third power supply electrode A2 are completely equal, the electric field intensity formed by the first power supply electrode A1 and the third power supply electrode A2 is equal, and the current focusing effect formed by a group of power supply electrodes has a better effect, so that the second power supply electrode B can make full use of the electric field formed by the first power supply electrode A1 and the third power supply electrode A2, the signal-to-noise ratio of the measurement data is improved, and the accuracy of the measurement result is further ensured. It can be understood that the effect of the current focusing effect formed by one set of supply electrodes is the best when the first supply electrode A1 and the third supply electrode A2 are symmetrical with respect to the second supply electrode B and the supply voltages of the first supply electrode A1 and the third supply electrode A2 are completely equal.
When the power supply voltages of the first power supply electrode A1 and the third power supply electrode A2 are equal, the formed current focusing effect is better, the measuring result is more accurate, the signal-to-noise ratio of the measured data is improved, the reliability of the measuring result is ensured, the accuracy of the depth sounding process is improved, and the measuring precision and the anti-interference capability of the whole device are improved.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A high-density depth sounding device is characterized by comprising an electrode and a cable, wherein the cable comprises a power supply cable and a measuring cable;
the electrodes comprise at least one group of power supply electrodes and n pairs of measuring electrodes corresponding to the power supply electrodes, wherein n is a positive integer;
the power supply electrodes of one group comprise a first power supply electrode, a second power supply electrode and a third power supply electrode, the first power supply electrode and the third power supply electrode are arranged on the power supply cable, and the power supply voltage of the first power supply electrode and the power supply voltage of the third power supply electrode are both greater than the power supply voltage of the second power supply electrode;
n pairs of the measuring electrodes are arranged on the measuring cable;
the second power supply electrode is arranged on the power supply cable or the measuring cable, the position of the second power supply electrode is the intersecting position of the measuring cable and a midline, and the midline is the midline of the first power supply electrode and the third power supply electrode.
2. The high density bathymetry device of claim 1, including: the power supply electrodes are in multiple groups, and the second power supply electrodes in each group of power supply electrodes are arranged in a rectangular array.
3. The high-density sounding device according to claim 1, comprising: the power supply electrodes are in multiple groups, and the second power supply electrodes in each group of power supply electrodes are arranged in a circular array.
4. The high-density sounding device of claim 1, wherein the measuring electrode is a non-polarized electrode.
5. The high-density sounding device of claim 1, wherein the measuring cable and the power supply cable overlap.
6. The high-density depth sounding device according to any one of claims 1 to 5, wherein the first power supply electrode and the third power supply electrode are symmetrical with respect to the second power supply electrode.
7. The high-density sounding device according to claim 6, wherein the first power supply electrode and the third power supply electrode are equal in power supply voltage.
CN202211520220.8A 2022-11-30 2022-11-30 High-density depth sounding device Pending CN115755189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211520220.8A CN115755189A (en) 2022-11-30 2022-11-30 High-density depth sounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211520220.8A CN115755189A (en) 2022-11-30 2022-11-30 High-density depth sounding device

Publications (1)

Publication Number Publication Date
CN115755189A true CN115755189A (en) 2023-03-07

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Application Number Title Priority Date Filing Date
CN202211520220.8A Pending CN115755189A (en) 2022-11-30 2022-11-30 High-density depth sounding device

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Country Link
CN (1) CN115755189A (en)

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