CN210742516U - Array induced polarization exploration device - Google Patents
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- CN210742516U CN210742516U CN201922324221.5U CN201922324221U CN210742516U CN 210742516 U CN210742516 U CN 210742516U CN 201922324221 U CN201922324221 U CN 201922324221U CN 210742516 U CN210742516 U CN 210742516U
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Abstract
The utility model discloses an array induced polarization method exploration device, it includes: a direct current transmission device; the electrode remote control transmitter is connected with the direct current sending equipment; the power supply electrode groups are respectively connected with the electrode remote control transmitter through the electrode remote control receiving switches, and are arranged in an array mode along the length direction of the section of the target body to be detected by taking the top end of the target body to be detected as the center; the measuring electrodes and the power supply electrode group are arranged on the same section line in a staggered mode; and the excitation receivers are correspondingly connected with the measuring electrodes respectively. The utility model discloses can carry out multipolar distance, the combination measurement of many devices, reduce construction intensity of labour, improve work efficiency, avoid round trip movement power supply electrode and measuring electrode to cause the drawback that ground connection condition is difficult to guarantee, strengthen data acquisition's reliability, especially be fit for carrying out induced polarization method exploration in the ore body scale less relatively, the buried depth is great relatively, the topography condition is complicated, areas such as traffic condition difference.
Description
Technical Field
The utility model relates to a geological exploration technical field, concretely relates to array induced polarization method exploration device.
Background
In geological exploration, the method of utilizing the induced polarization method for exploration is a method which can be applied to exploration work of solid mineral resources, underground water resources and the like, and is particularly suitable for the exploration of underground deep or hidden metal sulfide ore bodies.
In the prior art, when exploration is performed by using an induced polarization method, a certain device form is generally adopted, such as a symmetric quadrupole, a dipole-dipole, a monopole-dipole and the like, and the distance between power supply electrodes is changed by burying and moving a plurality of power supply electrodes and measuring electrodes for a plurality of times, so as to measure point by point, thereby achieving vertical and horizontal detection of a target body. The exploration in the form is low in efficiency, high in cost, high in working difficulty and difficult to guarantee data reliability, and application of the exploration in areas with complex terrains and difficult traffic is restricted. In addition, with the national requirements for ecological protection and the higher manpower cost, the cost and difficulty for carrying out induced polarization exploration work in complex terrain and areas with difficult traffic will be further increased.
It is noted that this section is intended to provide a background or context to the embodiments of the disclosure that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an array induced polarization method exploration device to when utilizing the induced polarization method to explore among the solution prior art through burying underground and removing a plurality of power supply electrode and measuring electrode many times and bring exploration inefficiency, with high costs, the work degree of difficulty is big, data reliability is difficult to guarantee the scheduling problem.
An embodiment of the utility model provides an array induced polarization method exploration device, include:
a direct current transmission device;
the electrode remote control transmitter is connected with the direct current sending equipment;
the power supply electrode groups are respectively connected with the electrode remote control transmitter through a plurality of electrode remote control receiving switches, and are arranged in an array mode along the length direction of the section of the target body to be detected by taking the top end of the target body to be detected as the center;
the plurality of measuring electrodes and the power supply electrode group are arranged on the same section line in a staggered mode;
and the excitation receivers are correspondingly connected with the measuring electrodes respectively.
As a preferred mode of the present invention, each of the power supply electrode groups includes a power supply electrode a and a power supply electrode B corresponding to each other;
the plurality of power supply electrodes A are connected in series on the power supply wire A through the corresponding electrode remote control receiving switches respectively, and the plurality of power supply electrodes B are connected in series on the power supply wire B through the corresponding electrode remote control receiving switches respectively;
the power supply lead A and the power supply lead B are also respectively connected with the electrode remote control transmitter, extend in opposite directions after being led out from the electrode remote control transmitter and are positioned on the same section line.
As a preferred embodiment of the present invention, the plurality of a power supply electrodes and the plurality of B power supply electrodes are disposed in an equidistant manner or disposed in a non-equidistant manner with dense middle and sparse ends.
As the preferred mode of the utility model, the distance between the adjacent A power supply electrode or B power supply electrode is 100 ~ 400 meters.
As a preferable mode of the present invention, the distance between the measuring electrode and the adjacent a power supply electrode or B power supply electrode is greater than 20 meters.
As the preferred mode of the utility model, the power supply electrode group is provided with 5 ~ 10.
As a preferable mode of the present invention, the one-time potential difference between the two measurement electrodes as a set at the time of measurement is larger than 5 mV.
The embodiment of the utility model provides a pair of array induced polarization method exploration device, through once only laying the array that power supply electrode and measuring electrode constitute, then control each power supply electrode's break-make through electrode remote control transmitter and electrode remote control receiving switch, carry out the combination of different power supply electrodes in proper order, realize the measurement of many devices, different power supply electrode interval to the measurement of accomplishing each measurement station different degree of depth in the exploration scope obtains the target body section of awaiting measuring horizontal and vertical information.
The utility model discloses utilize the power supply electrode and the measuring electrode of less quantity, carried out multipolar distance, the combination measurement of many devices, reduced construction intensity of labour, improved work efficiency, avoided round trip movement power supply electrode and measuring electrode to cause the drawback that ground connection condition is difficult to guarantee, strengthened data acquisition's reliability, especially be fit for carrying out induced polarization method exploration in areas such as ore body scale is less relatively, the buried depth is great relatively, the terrain conditions is complicated, traffic conditions are poor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of 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 an array induced polarization exploration apparatus provided by an embodiment of the present invention.
The device comprises a direct current sending device 1, an electrode remote control transmitter 2, a power supply electrode 3, a power supply electrode A, a power supply electrode 4, a power supply electrode B, an electrode remote control receiving switch 5, a measuring electrode 6, an exciting power receiver 7, a power supply lead 8, a power supply lead A and a power supply lead 9, B.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1, an embodiment of the present invention discloses an array induced polarization exploration apparatus, which mainly includes:
a direct current transmission device 1;
an electrode remote control transmitter 2 connected to the direct current transmission device 1;
the power supply electrode groups are respectively connected with the electrode remote control transmitter 2 through a plurality of electrode remote control receiving switches 5, and are arranged in an array form along the length direction of the section of the target body to be detected by taking the top end of the target body to be detected as the center;
the measuring electrodes 6 and the power supply electrode group are arranged on the same section line in a staggered mode;
and a plurality of excitation receivers 7 respectively connected to the measuring electrodes 6.
In this embodiment, the dc sending device is disposed in the middle of the section of the target to be measured, and the target to be measured includes solid mineral products, groundwater resources, and the like. The position of the direct current sending equipment is not connected with the exploration result, and the direct current sending equipment is arranged in the middle of the section of the target body to be detected in the embodiment, so that construction and subsequent remote control operation of the electrode remote control receiving switch are facilitated.
The dc transmission device is a power supply transmission device commonly used in the induced polarization method, and generally includes a generator, a rectifier, a transmitter, and the like. The direct current sending equipment comprises two power supply output ports, a first power supply output port A and a second power supply output port B, and the two power supply output ports can respectively supply power for a plurality of power supply electrode groups. Those skilled in the art may use a dc transmitting device in the prior art, and the structure of the dc transmitting device is not limited in this embodiment.
The electrode remote control transmitter is arranged near the direct current transmitting equipment, is connected with the direct current transmitting equipment and is a device for controlling the power supply of the power supply electrode group to be switched on and off. Correspondingly, the electrode remote control transmitter is provided with two power supply receiving ports, including a first power supply receiving port a (instrument) and a second power supply receiving port B (instrument), wherein the first power supply receiving port a (instrument) is connected with a first power supply output port a on the direct current sending device, and the second power supply receiving port B (instrument) is connected with a second power supply output port B on the direct current sending device. The electrode remote control transmitter is also provided with two signal output ports, including a first signal output port A (output) and a second signal output port B (output), and can send corresponding control signals to respectively control the power supply on-off of a plurality of power supply electrode groups.
The power supply electrode groups are arranged below the ground, and are arranged in an array manner along the length direction of the section of the target body to be detected by taking the top end of the target body to be detected as the center according to the characteristics of the target body to be detected such as scale, attitude, burial depth and the like and the difference of exploration purposes to form a section line. Generally, one power supply electrode group includes two paired power supply electrodes, and the two paired power supply electrodes are arranged opposite to each other with the top end of the target body to be measured as the center. And the power supply electrodes in each power supply electrode group are respectively and correspondingly connected with an electrode remote control receiving switch and are respectively connected with an electrode remote control transmitter through the corresponding electrode remote control receiving switches. The electrode remote control receiving switch is used for receiving a control signal sent by the electrode remote control transmitter to control the on-off of the corresponding power supply electrode.
For example, in the array induced polarization prospecting apparatus shown in fig. 1, a total of 6 power supply electrode sets and 12 power supply electrodes, which are respectively a1, a2, A3, a4, a5, A6, B1, B2, B3, B4, B5 and B6, are arranged, wherein a1 and B1 form one power supply electrode set, a2 and B2 form one power supply electrode set, and so on.
In general, from left to right, a6, a5, a4, A3, a2, a1, B1, B2, B3, B4, B5, and B6 are arranged in this order. In special cases, for example, in order to obtain the geologic body shallow information of the target object as much as possible, there may be a small number of intersections in the middle portion of the power supply electrode array, for example, may be arranged in the order of a6, a5, a4, A3, a2, B1, a1, B2, B3, B4, B5, and B6, as shown in fig. 1.
The plurality of measuring electrodes are arranged in the plurality of power supply electrode groups in a staggered mode and form the same section line with the plurality of power supply electrode groups. During measurement, the optimal observation range is located in the middle of the array formed by the power supply electrode groups, so that when the measuring electrodes are arranged, the measuring electrodes are arranged in the range between the two power supply electrodes forming the maximum power supply electrode distance. Meanwhile, the distance between adjacent measuring electrodes can be determined according to the size of the measuring signals when different power supply electrode distances are adopted, and the adjacent measuring electrodes are kept equal or are equal in sections as much as possible.
Illustratively, in the array-type induced polarization exploration device shown in fig. 1, 24 measuring electrodes are arranged, namely M1, M2, M3, … … and M24. During measurement, two measuring electrodes are selected as a group. Specifically, two adjacent measurement electrodes, such as M1 and M2, M2 and M3, M3 and M4, may be selected as a group, or two non-adjacent measurement electrodes, such as M1 and M4, M1 and M5, M2 and M5, may be selected as a group, as long as the measurement conditions are satisfied. Those skilled in the art can select and set an appropriate number of measuring electrodes according to actual use requirements, and the number of the measuring electrodes is not limited in this embodiment.
The excitation receiver is arranged on the ground, is respectively connected with the plurality of measuring electrodes and is an instrument for receiving the induced polarization effect. A person skilled in the art may adopt a multi-channel induced polarization receiver, or simultaneously adopt multiple single-channel induced polarization receivers to receive, or adopt a mode of combining a single-channel induced polarization receiver and a measurement wiring remote control device to ensure that the single-channel induced polarization receiver is reasonably connected with each measurement electrode, which is not limited in this embodiment.
It should be noted that, in fig. 1, the respective power supply electrode groups and the respective measurement electrodes are not arranged on the same cross-sectional line, and the excitation receiver is adaptively shown below the measurement electrodes, so as to clearly show the arrangement positions of the respective power supply electrode groups and the respective measurement electrodes, without affecting the understanding of those skilled in the art on the technical solution in this embodiment.
During actual construction, after an array formed by a plurality of power supply electrode groups is arranged according to requirements, each power supply electrode is connected with an electrode remote control transmitter through an electrode remote control receiving switch connected with each power supply electrode. And then, testing the grounding resistance and the remote control on-off, and if the phenomenon of poor grounding or poor remote control of individual power supply electrodes occurs, performing on-site improvement and debugging to ensure that the grounding condition is good and the remote control on-off of the electrodes is normal.
It should be noted that, when the array is actually arranged, in order to avoid interference and difficult terrain, each power supply electrode and each measurement electrode can be appropriately deviated from the profile or flexibly arranged at a measurement point, apparent resistivity calculation and data inversion are carried out according to the actual position of the electrode, and the final exploration result is not greatly influenced.
After debugging is finished, the electrode remote control transmitter and the electrode remote control receiving switch sequentially supply power to A1 and B1, A2 and B2, … …, A6 and B6, and then collect corresponding data on each measuring electrode. Fixing any one of the power supply electrodes A1, A2, A3, A4, A5 and A6 or any one of the power supply electrodes B1, B2, B3, B4, B5 and B6, respectively carrying out power supply combination with any one of the power supply electrodes B1, B2, B3, B4, B5 and B6 or any one of the power supply electrodes A1, A2, A3, A4, A5 and A6 in sequence, and then collecting the corresponding data on each measuring electrode pair. Generally, the most distal feeding electrode, such as A6 or B6, may be selected to form a combination of A6 and B1, A6 and B2, A6 and B3, A6 and B4, A6 and B5, or a1 and B6, a2 and B6, A3 and B6, a4 and B6, a5 and B6.
After data on each measuring electrode pair is collected through the induced polarization receiver, a person skilled in the art can calculate apparent resistivity according to the data, and then correspondingly perform data inversion and the like to obtain transverse and vertical information on the section of the target body to be measured. This process is well known in the art and the specific process is not described in detail herein.
It should be noted that, when data inversion is performed, data with too small primary potential, data with distortion of polarization attenuation characteristics, data with a power supply electrode between measurement electrodes, and the like are eliminated to ensure data reliability.
The array induced polarization exploration device provided by the embodiment is characterized in that an array formed by power supply electrodes and measuring electrodes is arranged at one time, then the on-off of each power supply electrode is controlled through an electrode remote control transmitter and an electrode remote control receiving switch, the combination of different power supply electrodes is sequentially carried out, the combination measurement of multiple electrode distances and multiple devices is carried out, the construction labor intensity is reduced, the working efficiency is improved, the defect that the grounding condition is difficult to guarantee due to the fact that the power supply electrodes and the measuring electrodes are moved back and forth is avoided, the reliability of data acquisition is enhanced, and the array induced polarization exploration device is particularly suitable for induced polarization exploration in areas with small ore body scale, large burial depth, complex terrain conditions, poor traffic conditions and the like.
Preferably, 5-10 power supply electrode groups are provided.
Specifically, when the number of the power supply electrode groups is too small, the obtained data is too small, the requirement of data inversion cannot be met, and the exploration task cannot be completed, and when the number of the power supply electrode groups is too large, the construction difficulty is increased, so that when the number of the power supply electrode groups is preferably 5-10, the exploration requirement can be met, and the construction difficulty can be reduced.
Preferably, each of the power supply electrode groups includes a corresponding a power supply electrode 3 and B power supply electrode 4;
the plurality of A power supply electrodes 3 are respectively connected in series on an A power supply lead 8 through the corresponding electrode remote control receiving switches 5, and the plurality of B power supply electrodes 4 are respectively connected in series on a B power supply lead 9 through the corresponding electrode remote control receiving switches 5;
the power supply lead wire A8 and the power supply lead wire B9 are also respectively connected with the electrode remote control transmitter 2, extend in opposite directions after being led out from the electrode remote control transmitter 2 and are positioned on the same section line.
Specifically, each of the power supply electrode groups includes two power supply electrodes in pairs, i.e., a power supply electrode a and a power supply electrode B. Each A power supply electrode and each B power supply electrode are respectively connected with an electrode remote control receiving switch, and are connected in series on respective power supply conducting wires through the corresponding electrode remote control receiving switches, namely A1, A2, A3, A4, A5 and A6 are connected in series on the A power supply conducting wire, and B1, B2, B3, B4, B5 and B6 are connected in series on the B power supply conducting wire.
One end of the power supply lead wire A and one end of the power supply lead wire B are both connected to the electrode remote control transmitter, wherein the power supply lead wire A is connected with the first signal output port A (output), and the power supply lead wire B is connected with the second signal output port B (output). And the other ends of the power supply lead A and the power supply lead B extend in opposite directions and are positioned on the same section line after being led out from the electrode remote control transmitter, so that the power supply electrodes are positioned on the same section line.
The on-off of each power supply electrode is controlled by the electrode remote control transmitter and each electrode remote control receiving switch, the combination of different power supply electrodes is carried out in sequence, and the combined measurement of multiple polar distances and multiple devices can be carried out.
Preferably, the plurality of a feeding electrodes 3 and the plurality of B feeding electrodes 4 are disposed at equal intervals or disposed at non-equal intervals with dense middle and sparse ends.
Specifically, there are two arrangement modes of the plurality of power supply electrodes a and the plurality of power supply electrodes B, and an equidistant mode or a non-equidistant mode with a dense middle and sparse two ends may be selected.
Because the resolution of the induced polarization method is reduced along with the increase of the exploration depth, under the condition that the maximum power supply electrode distance is the same as the number of the power supply electrode groups, namely under the condition that the working efficiency is similar, the equal-distance mode of the power supply electrodes can enable the deep and shallow data of the target body to be detected to be approximately and uniformly distributed, and can give consideration to both the shallow part and the deep part, so that the shallow part and the deep part of the target body to be detected have better resolution, and the method is suitable for detecting the target body to be detected with small burial depth; and the non-equidistant mode of the dense middle and sparse two ends of the power supply electrode can ensure that the shallow data of the object to be detected is dense and the deep data is sparse, so that the method is suitable for detecting the object to be detected with large burial depth.
Of course, when the array is actually arranged, in order to avoid interference and difficult terrain, each power supply electrode can be flexibly arranged in an approximately equidistant mode, apparent resistivity calculation and data inversion are carried out according to the actual position of the electrode, and the influence on the final exploration result is small.
Preferably, the distance between the adjacent A power supply electrodes 3 or B power supply electrodes 4 is 100-400 m.
Specifically, the maximum distance between adjacent power supply electrodes is determined according to the possible distribution range and the burial depth of the target body to be measured, and the preferable range is 100-400 meters. The distance between the adjacent A power supply electrodes or the adjacent B power supply electrodes, namely the distance between A6 and A5 in FIG. 1, or the distance between B4 and B5, or the distance between A1 and B1, both include the distance between two adjacent A power supply electrodes and the distance between two adjacent B power supply electrodes, and also include the distance between the adjacent A power supply electrodes and the adjacent B power supply electrodes, and the distance between the adjacent A power supply electrodes and the adjacent B power supply electrodes is within the range of 100-400 meters.
In practice, it should also be ensured that the maximum spacing of the selected supply electrodes, i.e. the distance between a6 and B6, is greater than 4 times the maximum depth of investigation.
Preferably, the distance between the measuring electrode 6 and the adjacent a or B feeding electrode 3, 4 is more than 20 meters.
Specifically, when the measuring electrode and each power supply electrode are arranged in a staggered manner, the distance between the measuring electrode and the adjacent power supply electrode A or B is ensured to be more than 20 meters.
The arrangement is so that interference on observation results caused by the fact that the measuring electrode is too close to the power supply electrode is avoided, and damage to related instruments caused by the fact that the primary potential of the measuring resistor is too large and exceeds the bearing range of the instruments is also avoided.
Preferably, the primary potential difference between the two measuring electrodes 6 as a group is measured to be greater than 5 mV.
Specifically, two measuring electrodes are selected as a group for measurement. The two measuring electrodes are selected to be used as a group, and the primary potential difference between the two measuring electrodes as a group is required to be larger than 5 mV.
Since the primary potential difference of the two measuring electrodes as a group is small, the measured secondary potential difference is smaller, so that the measured primary potential difference cannot be too small in order to observe more reliable data in the field, and thus the two measuring electrodes as a group need to be selected appropriately to ensure that the secondary potential difference of the measuring electrodes is within the range distinguishable by an instrument.
Generally, a primary potential difference between two measuring electrodes as a group of more than 5mV will suffice.
In practical application, two adjacent measuring electrodes are preferably selected as a group, that is, M1 and M2 are preferably selected as a group, when the primary potential difference between M1 and M2 is greater than 5mV, M1 and M2 can be determined to be used as a group, and when the primary potential difference between M1 and M2 is less than or equal to 5mV, M1 and M2 cannot be used as a group, and then M3 and M1 closest to M1 are selected to be used as a group. Further, whether the primary potential difference between M1 and M3 is larger than 5mV is judged, and if the condition is not met, M1 and M3 cannot be used as a group, M4, M5, M6 and the like are selected in sequence to judge whether the condition is met.
To sum up, the embodiment of the utility model provides a pair of array induced polarization method exploration device, through once only laying the array that power supply electrode and measuring electrode constitute, then control each power supply electrode's break-make through electrode remote control transmitter and electrode remote control receiving switch, carry out the combination of different power supply electrodes in proper order, realize the measurement of many devices, different power supply electrode interval to the measurement of accomplishing each measurement station different degree of depth in the exploration scope obtains the target body section of awaiting measuring on horizontal and vertical information.
The utility model discloses utilize the power supply electrode and the measuring electrode of less quantity, carried out multipolar distance, the combination of many devices and measured, reduced construction intensity of labour, improved work efficiency, avoided round trip movement power supply electrode and measuring electrode to cause the drawback that ground connection condition is difficult to guarantee, strengthened data acquisition's reliability, especially be fit for exploring in the area such as ore body scale is less relatively, the buried depth is great relatively, the topography condition is complicated, traffic conditions is poor.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the products of the present invention are used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An array induced polarization exploration apparatus, comprising:
a direct current transmission device;
the electrode remote control transmitter is connected with the direct current sending equipment;
the power supply electrode groups are respectively connected with the electrode remote control transmitter through a plurality of electrode remote control receiving switches, and are arranged in an array mode along the length direction of the section of the target body to be detected by taking the top end of the target body to be detected as the center;
the plurality of measuring electrodes and the power supply electrode group are arranged on the same section line in a staggered mode;
and the excitation receivers are correspondingly connected with the measuring electrodes respectively.
2. The device of claim 1, wherein each of the set of supply electrodes comprises a corresponding a supply electrode and B supply electrode;
the plurality of power supply electrodes A are connected in series on the power supply wire A through the corresponding electrode remote control receiving switches respectively, and the plurality of power supply electrodes B are connected in series on the power supply wire B through the corresponding electrode remote control receiving switches respectively;
the power supply lead A and the power supply lead B are also respectively connected with the electrode remote control transmitter, extend in opposite directions after being led out from the electrode remote control transmitter and are positioned on the same section line.
3. The device of claim 2, wherein the plurality of A power supply electrodes and the plurality of B power supply electrodes are arranged in an equidistant mode or in a non-equidistant mode with dense middle and sparse two ends.
4. The device of claim 2, wherein the distance between the adjacent A or B feeding electrodes is 100-400 m.
5. The apparatus of claim 2, wherein the distance between the measuring electrode and the adjacent a or B feeding electrode is greater than 20 meters.
6. The device according to any one of claims 1 to 5, wherein 5 to 10 feeding electrode groups are provided.
7. A device according to any one of claims 1 to 5, wherein the primary potential difference between two of the measuring electrodes as a group is measured to be greater than 5 mV.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116931102A (en) * | 2023-09-18 | 2023-10-24 | 山东大学 | Multi-level error frequency excitation charging detection method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116931102A (en) * | 2023-09-18 | 2023-10-24 | 山东大学 | Multi-level error frequency excitation charging detection method and system |
| CN116931102B (en) * | 2023-09-18 | 2023-12-19 | 山东大学 | Multi-level error frequency excitation charging detection method and system |
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