Transmitting and receiving device for wide-area electromagnetic method exploration of complex terrain area in mountain front

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By designing and connecting aluminum plates and conductive vertical venue venue electrodes in the transceiver device of the wide -area electromagnetic method, the problem of weakness of complex terrain regional signals with complex terrain regions in front of the mountain, and realizing high -quality geological information acquisition under complex terrain conditions.

CN222420562UActive Publication Date: 2025-01-28HUNAN GEOSUN HI-TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202420536448.4
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-03-19
Publication Date: 2025-01-28
Estimated Expiration: 2034-03-19

AI Technical Summary

Technical Problem

In the complex terrain area of the front belt of the mountain, the transceiver and receiving devices for wide-area electromagnetic method are restricted due to the surface conditions of aluminum plate laying, or the surface grounding conditions are poor, resulting in weak transmission signals, making it difficult to obtain high-quality observation data reflecting deep geological information.

Method used

Designed a transceiver device for the exploration of the extension of the wide -area electromagnetic method for the complex terrain region of the mountain, including the venue source electrode A and the field source electrode B, and the electrode A and electrode B include multiple aluminum plates and multiple conductive crickets. Connect to the wide -area electromagnetic method launch system, the aluminum plate is buried in the pits of the power supply electrode, the conductive 钎 is inserted into the ground floor, and the combination is set to reduce the grounding coupling effect, reduce ground resistance, increase power supply current, and enhance the transmitting signal.

Benefits of technology

Through the design of this device, the launch signal can be enhanced under complex terrain conditions, the ability to obtain high -quality observation data to receive the receiving device can be improved, and the problem of weak traditional device signals is solved.

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Abstract

The utility model discloses a transmit-receive device for wide-area electromagnetic method exploration of a mountain front complex terrain area, which comprises a field source device and a receiving device, the field source device comprises a wide-area electromagnetic method transmitting system, a field source electrode A and a field source electrode B. The field source electrode A comprises a plurality of first aluminum plates and a plurality of first conductive drill rods, and the field source electrode B comprises a plurality of second aluminum plates and a plurality of second conductive drill rods. The field source electrode B comprises a plurality of second aluminum plates and a plurality of second conductive drill rods, the plurality of first aluminum plates and the plurality of first conductive drill rods are connected with the wide-area electromagnetic method emission system in parallel, the plurality of second aluminum plates and the plurality of second conductive drill rods are connected with the wide-area electromagnetic method emission system in parallel, and the first aluminum plates and the second aluminum plates are used for being buried in power supply electrode pits. The first conductive drill rod and the second conductive drill rod are used for being inserted into the ground of a work area, the grounding coupling effect of the field source device can be reduced, grounding resistance is reduced, power supply currents of the field source electrode A and the field source electrode B are increased, and emission signals are enhanced.

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Description

Technical Field

[0001] The utility model relates to the technical field of geophysical exploration, in particular to a transceiver used for wide-area electromagnetic exploration in a complex terrain area in a piedmont zone. Background Art

[0002] In the field of oil and gas exploration, seismic methods are the mainstream technology. In the complex terrain areas of the piedmont belt, seismic methods are affected by the dual complexities of terrain and complex geological structures, and have certain limitations in field construction and data imaging. As an emerging technology, wide-area electromagnetic method has the characteristics of safety, green environmental protection, and high construction efficiency, and can be used as a supplementary means of seismic exploration. However, in the face of complex terrain conditions in the piedmont belt, the surface conditions for laying the aluminum plate of the transceiver of the wide-area electromagnetic method exploration are limited, or the surface grounding conditions are not good. The exposed bedrock areas in the work area cannot be dug to bury the power supply electrode pits for the aluminum plate. Some shallow surfaces have gravel and gravel, and the soil content is low. It is difficult to lay the aluminum plate or it cannot achieve a good coupling effect, resulting in the problem of weak transmission signals. The requirements for deep detection are even higher, and it is difficult to obtain high-quality observation data reflecting deep geological information. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a transceiver for wide-area electromagnetic survey in complex terrain areas in front of a mountain, which can solve the problem of weak transmission signals of traditional transceivers.

[0004] According to an embodiment of the utility model, a transceiver for wide-area electromagnetic exploration in a complex terrain area in a piedmont zone comprises: a field source device, the field source device is used to send exploration signals, the field source device comprises a wide-area electromagnetic transmission system, a field source electrode A and a field source electrode B, the field source electrode A comprises a plurality of first aluminum plates and a plurality of first conductive rods, the field source electrode B comprises a plurality of second aluminum plates and a plurality of second conductive rods, the plurality of first aluminum plates and the plurality of first conductive rods are connected in parallel to the wide-area electromagnetic transmission system, the plurality of second aluminum plates and the plurality of second conductive rods are connected in parallel to the wide-area electromagnetic transmission system, the first aluminum plates and the second aluminum plates are used to be buried in a power supply electrode pit, and the first conductive rod and the second conductive rod are used to be inserted into the ground of a work area; and a receiving device, the receiving device is used to receive the exploration signal.

[0005] The transceiver for wide-area electromagnetic survey of complex terrain in front of a mountain according to the embodiment of the utility model has at least the following beneficial effects:

[0006] In addition to multiple first aluminum plates connected in parallel, the field source electrode A also includes multiple first conductive soldering irons connected in parallel. In addition to multiple second aluminum plates connected in parallel, the field source electrode B also includes multiple second conductive soldering irons connected in parallel. The first conductive soldering irons and the second conductive soldering irons are convenient for inserting into the work area ground that is not suitable for laying the first aluminum plates and the second aluminum plates, and the work area ground where the first aluminum plates and the second aluminum plates cannot achieve a good coupling effect. The combined arrangement of the first aluminum plate and the first conductive soldering iron, the second aluminum plate and the second conductive soldering iron can reduce the ground coupling effect of the field source device and reduce the grounding resistance, thereby increasing the power supply current of the field source electrode A and the field source electrode B, enhancing the transmission signal, and enabling the receiving device to obtain high-quality observation data.

[0007] According to some embodiments of the present invention, the receiving device includes a receiving electrode and a receiver, and the receiving electrode is connected to the receiver.

[0008] According to some embodiments of the present utility model, the length of the power supply electrode pit is 1 m, the width of the power supply electrode pit is 1 m, and the depth of the power supply electrode pit is 0.5 m.

[0009] According to some embodiments of the present invention, the length of the first aluminum plate and / or the second aluminum plate is 1 m, and the width of the first aluminum plate and / or the second aluminum plate is 1 m.

[0010] According to some embodiments of the present invention, the length of the first conductive solder and / or the second conductive solder is 2 m, and the diameter of the first conductive solder and / or the second conductive solder is 2 cm.

[0011] According to some embodiments of the present invention, the first conductive soldering bar and / or the second conductive soldering bar is a threaded steel soldering bar.

[0012] According to some embodiments of the present invention, the distance between the field source electrode A and the field source electrode B is 2 km.

[0013] According to some embodiments of the present invention, the field source electrode A includes 12 first aluminum plates and 64 first conductive solders.

[0014] According to some embodiments of the present invention, the field source electrode B includes 12 second aluminum plates and 64 second conductive solders.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 It is a schematic diagram of the utility model;

[0018] Figure 2 It is a connection diagram of the field source electrode A and the field source electrode B of the present invention.

[0019] Figure Number:

[0020] Wide Area Electromagnetic Method Launch System 100

[0021] Field source electrode A200, first aluminum plate 210, first conductive solder 220,

[0022] Field source electrode B300, second aluminum plate 310, second conductive solder 320,

[0023] Receiving electrode 400,

[0024] Receiver 500. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0029] Refer to the following Figure 1 The invention describes a transceiver device for wide-area electromagnetic survey of complex terrain areas in front of a mountain according to an embodiment of the invention.

[0030] like Figure 1 to Figure 2As shown, according to an embodiment of the utility model, a transceiver for wide-area electromagnetic survey of a complex terrain area in a piedmont zone comprises:

[0031] A field source device and a receiving device, the field source device is used to send exploration signals, the field source device includes a wide-area electromagnetic method transmitting system 100, a field source electrode A200 and a field source electrode B300, the field source electrode A200 includes a plurality of first aluminum plates 210 and a plurality of first conductive rods 220, the field source electrode B300 includes a plurality of second aluminum plates 310 and a plurality of second conductive rods 320, the plurality of first aluminum plates 210 and the plurality of first conductive rods 220 are connected in parallel to the wide-area electromagnetic method transmitting system 100, the plurality of second aluminum plates 310 and the plurality of second conductive rods 320 are connected in parallel to the wide-area electromagnetic method transmitting system 100, the first aluminum plates 210 and the second aluminum plates 310 are used to be buried in the power supply electrode pit, the first conductive rods 220 and the second conductive rods 320 are used to be inserted into the ground of the work area, and the receiving device is used to receive the exploration signal.

[0032] In addition to multiple first aluminum plates 210 connected in parallel, the field source electrode A200 also includes multiple first conductive soldering irons 220 connected in parallel. In addition to multiple second aluminum plates 310 connected in parallel, the field source electrode B300 also includes multiple second conductive soldering irons 320 connected in parallel. The first conductive soldering irons 220 and the second conductive soldering irons 320 are convenient for inserting into the work area ground that is not suitable for laying the first aluminum plates 210 and the second aluminum plates 310, and the work area ground where the first aluminum plates 210 and the second aluminum plates 310 cannot achieve a good coupling effect. The combination of the first aluminum plate 210 and the first conductive soldering iron 220, the second aluminum plate 310 and the second conductive soldering iron 320 can reduce the ground coupling effect of the field source device and reduce the grounding resistance, thereby increasing the power supply current of the field source electrode A200 and the field source electrode B300, enhancing the transmission signal, and enabling the receiving device to obtain high-quality observation data.

[0033] It can be understood that the mathematical expression for resistance is:

[0034]

[0035] Where R is the resistance, ρ is the resistivity of the conductor, L is the length of the conductor, and S is the cross-sectional area of the conductor. From the expression of resistance, it can be seen that the cross-sectional area is inversely proportional to the resistance. Due to the additional addition of the first conductive solder 220 and the second conductive solder 320, the contact area between the field source electrode A200 and the field source electrode B300 and the ground of the work area is increased, which is equivalent to increasing the cross-sectional area, thereby reducing the grounding resistance.

[0036] In addition, the parallel resistance calculation formula is:

[0037]

[0038] Where R is the total grounding resistance, and R1, R2, R3, ... Rn represent the resistances of different conductors connected in parallel. It can be seen from the calculation formula of the parallel resistance that the parallel connection of multiple first aluminum plates 210 and multiple first conductive solders 220, and the parallel connection of multiple second aluminum plates 310 and multiple second conductive solders 320 can reduce the grounding resistance of the field source electrode A200 and the field source electrode B300.

[0039] It should be noted that the length of the power supply electrode pit is 1m, the width of the power supply electrode pit is 1m, and the depth of the power supply electrode pit is 0.5m. The length of the first aluminum plate 210 and the second aluminum plate 310 is 1m, and the width of the first aluminum plate 210 and the second aluminum plate 310 is 1m. The length of the first conductive solder 220 and the second conductive solder 320 is 2m, and the diameter of the first conductive solder 220 and the second conductive solder 320 is 2cm. Other sizes of power supply electrode pits, first aluminum plates 210, second aluminum plates 310, first conductive solder 220 or second conductive solder 320 can also be selected according to actual application conditions.

[0040] It should be noted that the field source electrode A200 includes 12 first aluminum plates 210 and 64 first conductive solders 220, and the field source electrode B300 includes 12 second aluminum plates 310 and 64 second conductive solders 320, which can achieve a good coupling effect. Other numbers of first aluminum plates 210, second aluminum plates 310, first conductive solders 220 or second conductive solders 320 can also be selected according to actual application conditions.

[0041] Each power supply electrode pit is irrigated with salt water, for example, more than 2 tons and not less than 3 kg of salt are irrigated in each power supply electrode pit, and one first aluminum plate 210 or second aluminum plate 310 is buried in each pit, so that the first aluminum plate 210 or second aluminum plate 310 is well grounded.

[0042] The first conductive solder 220 and the second conductive solder 320 are made of threaded steel solder. The threads on the surface of the threaded steel solder can increase the ground coupling area and achieve a better coupling effect. The conductive solder can also be made of other metal materials with a certain hardness and good conductivity.

[0043] The receiving device includes a receiving electrode 400 and a receiver 500. The receiving electrode 400 is connected to the receiver 500. The receiver 500 detects the potential difference between two adjacent receiving electrodes 400. The receiving device can collect stable original electric field data.

[0044] The distance between the field source electrode A200 and the field source electrode B300 is 2 km, which can obtain a larger coverage area, facilitate the layout of long measurement lines, reduce the number of field source devices to be laid out, and improve construction efficiency.

[0045] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A transceiver for wide-area electromagnetic survey in complex terrain areas in front of mountains, characterized in that: include: A field source device, the field source device is used to send a survey signal, the field source device comprises a wide-area electromagnetic method transmitting system (100), a field source electrode A (200) and a field source electrode B (300), the field source electrode A (200) respectively comprises a plurality of first aluminum plates (210) and a plurality of first conductive pins (220), the field source electrode B (300) respectively comprises a plurality of second aluminum plates (310) and a plurality of second conductive pins (320), the plurality of first aluminum plates (210) and the plurality of first conductive pins (220) are connected in parallel to the wide-area electromagnetic method transmitting system (100), the plurality of second aluminum plates (310) and the plurality of second conductive pins (320) are connected in parallel to the wide-area electromagnetic method transmitting system (100), the first aluminum plates (210) and the second aluminum plates (310) are used to be buried in a power supply electrode pit, and the first conductive pins (220) and the second conductive pins (320) are used to be inserted into the ground of a work area; A receiving device is used to receive the survey signal.

2. The transceiver device for wide-area electromagnetic survey in complex terrain areas in front of mountains according to claim 1 is characterized in that: The receiving device comprises a receiving electrode (400) and a receiver (500), wherein the receiving electrode (400) is connected to the receiver (500).

3. The transceiver device for wide-area electromagnetic survey in complex terrain areas in front of mountains according to claim 1 is characterized in that: The length of the power supply electrode pit is 1 m, the width of the power supply electrode pit is 1 m, and the depth of the power supply electrode pit is 0.5 m.

4. The transceiver device for wide-area electromagnetic survey of complex terrain in piedmont belt according to claim 1, characterized in that: The length of the first aluminum plate (210) and / or the second aluminum plate (310) is 1 m, and the width of the first aluminum plate (210) and / or the second aluminum plate (310) is 1 m.

5. The transceiver device for wide-area electromagnetic survey in complex terrain areas in front of mountains according to claim 1 is characterized in that: The length of the first conductive solder (220) and / or the second conductive solder (320) is 2 m, and the diameter of the first conductive solder (220) and / or the second conductive solder (320) is 2 cm.

6. The transceiver device for wide-area electromagnetic survey in complex terrain areas in front of mountains according to claim 1, characterized in that: The first conductive solder (220) and / or the second conductive solder (320) are threaded steel solders.

7. The transceiver device for wide-area electromagnetic survey of complex terrain in piedmont area according to claim 1, characterized in that: The distance between the field source electrode A (200) and the field source electrode B (300) is 2 km.

8. The transceiver device for wide-area electromagnetic survey in complex terrain areas in front of mountains according to claim 1 is characterized by: The field source electrode A (200) includes 12 first aluminum plates (210) and 64 first conductive solders (220).

9. The transceiver device for wide-area electromagnetic survey of complex terrain in front of a mountain according to claim 1, characterized in that: The field source electrode B (300) includes 12 second aluminum plates (310) and 64 second conductive solders (320).