Separated multi-core transmitting devices based on ground transient electromagnetic methods

Patent metadata

Field	Value
Publication number	US-2025035806-A1
Application number	US-202418586392-A
Country	US
Kind code	A1
Filing date	Feb 23, 2024
Priority date	Jul 27, 2023
Publication date	Jan 30, 2025
Grant date	—

Abstract

Disclosed is a separated multi-core transmitting device based on a ground transient electromagnetic method, comprising: a rectangular transmitting coil enclosed by a cable I, a cable II, a cable III, and a cable IV. Each of the cable I, the cable II, the cable III, and the cable IV is provided with N wires. Two ends of each of the N wires is provided with a sub connector and a female connector, respectively. The sub connectors and the female connectors are detachably connected through sub connector interfaces and female connector interfaces. A first wire of the female connectors of the cable I is led out to serve as a positive electrode of a transient electromagnetic instrument transmitter, and a last wire of the sub connectors of the cable IV is led out to serve as a negative electrode of the transient electromagnetic instrument transmitter.

First claim

What is claimed is:

1 . A separated multi-core transmitting device based on a ground transient electromagnetic method, comprising: a rectangular transmitting coil, wherein the rectangular transmitting coil includes a cable I, a cable II, a cable III, and a cable IV, each of the cable I, the cable II, the cable III, and the cable IV is provided with N wires, two ends of each of the N wires is provided with a sub connector and a female connector, respectively, the sub connectors of the wires within each cable are labeled sequentially with uppercase letters, and the female connectors of the wires within the each cable are labeled sequentially with lower case letters; the sub connectors are connected with sub connector interfaces, the female connectors are connected with female connector interfaces, and the sub connector interfaces and the female connector interfaces are detachably connected; and
the sub connectors of the cable I are connected with the female connectors of same letters of the cable II, the sub connectors of the cable II are connected with the female connectors of same letters of the cable III, the sub connectors of the cable III are connected with the female connectors of same letters of the cable IV, and the sub connectors of the cable IV are connected with the female connectors of next letters of same letters of the cable I; and a first wire of the female connectors of the cable I is led out to serve as a positive electrode of a transient electromagnetic instrument transmitter, and a last wire of the sub connectors of the cable IV is led out to serve as a negative electrode of the transient electromagnetic instrument transmitter.

2 . The separated multi-core transmitting device of claim 1 , wherein a size of the rectangular transmitting coil is adjusted by lengths of the cable I, the cable II, the cable III, and the cable IV to adapt to different detection depths.

3 . The separated multi-core transmitting device of claim 2 , wherein a protective sleeve is provided on each sub connector interface and each female connector interface, respectively.

4 . The separated multi-core transmitting device of claim 1 , wherein when a detection depth is 25 m, the cable I, the cable II, the cable III, and the cable IV are cables with a length of 5 m, and a count of cable cores is selected as 5.

5 . The separated multi-core transmitting device of claim 1 , wherein when a detection depth is 50 m, the cable I, the cable II, the cable III, and the cable IV are cables with a length of 5 m, and a count of cable cores is selected as 10; or the cable I, the cable II, the cable III, and the cable IV are cables with a length of 10 m, and a count of cable cores is selected as 5.

6 . The separated multi-core transmitting device of claim 1 , wherein when a detection depth is 100 m, the cable I, the cable II, the cable III, and the cable IV are cables with a length of 5 m, and a count of cable cores is selected as 20; or the cable I, the cable II, the cable III, and the cable IV are cables with a length of 10 m, and a count of cable cores is selected as 10.

7 . The separated multi-core transmitting device of claim 1 , wherein when a detection depth is 200 m, the cable I, the cable II, the cable III, and the cable IV are cables with a length of 10 m, and a count of cable cores is selected as 20; or the cable I, the cable II, the cable III, and the cable IV are cables with a length of 20 m, and a count of cable cores is selected as 10.

8 . The separated multi-core transmitting device of claim 1 , further comprising a control terminal and a vision sensor, wherein the control terminal is in communicating connection with the vision sensor;
the vision sensor is configured to acquire a current surface environment image and a coil position image after the rectangular transmitting coil is laid; the control terminal includes a processor, and the processor is configured to:
determine, based on the current surface environment image, a current surface environment;
determine, based on the current surface environment and a detection requirement, a laying parameter;
determine, based on the laying parameter, a transmitting magnetic moment, the transmitting magnetic moment being related to a return wire area and a transmitting current;
determine, based on the coil position image after the rectangular transmitting coil is laid, a coil position after the rectangular transmitting coil is laid; and
correct, based on the coil position after the rectangular transmitting coil is laid, the transmitting magnetic moment.

9 . The separated multi-core transmitting device of claim 8 , wherein the laying parameter includes at least one of a side length of the rectangular transmitting coil, an angular point position of the rectangular transmitting coil, and a count of cable cores.

10 . The separated multi-core transmitting device of claim 9 , wherein the laying parameter further includes a bracket height, a bracket use, and a bracket position.

11 . The separated multi-core transmitting device of claim 9 , wherein the processor is further configured to:
determine, based on the current surface environment, a laying position; and determine, based on the laying position and the detection requirement, the laying parameter.

12 . The separated multi-core transmitting device of claim 11 , wherein the processor is further configured to:
determine, based on the laying parameter, the detection requirement, and an instrument resolution, the transmitting current through a current recommendation model, the current recommendation model being a machine learning model.

13 . The separated multi-core transmitting device of claim 12 , wherein the processor is further configured to:
determine, based on the coil position after the rectangular transmitting coil is laid, an actual return wire area after the rectangular transmitting coil is laid; determine, based on the actual return wire area, a correction coefficient; and correct, based on the correction coefficient, the transmitting magnetic moment.

14 . The separated multi-core transmitting device of claim 1 , further comprising a bracket, wherein the bracket includes a cable fixing member, a horizontal fixing member, support leg pivots, support legs, and a frame;
the cable fixing member is sleeved within the frame and fixedly connected with the frame through the horizontal fixing member; and the support legs are rotationally connected with a lower end of the frame through the support leg pivots.

15 . The separated multi-core transmitting device of claim 14 , wherein one end of the cable fixing member is provided with an elastic member, and another end of the cable fixing member is provided with a sleeve structure.

16 . The separated multi-core transmitting device of claim 15 , wherein the cable fixing member includes a first fixing member and a second fixing member, a second sleeve structure of the second fixing member is sleeved within a first sleeve structure of the first fixing member, and the first sleeve structure is sleeved within the frame.

17 . The separated multi-core transmitting device of claim 16 , further comprising a height support member, wherein the height support member is connected with the second fixing member for adjusting a height of the second fixing member.

Assignees

• Univ China Mining

Inventors

• Yang Haiyan
• Yue Jianhua
• Liu Zhixin
• Li Wenyu
• Gu Yanyan
• Che Rongqi
• Xu Yunlei
• Li Zhenyang
• Sun Menglang
• Ran Huageng

Classifications

• G01V2003/084

  Sources · CPC title

• G01V3/083 Primary

  Controlled source electromagnetic [CSEM] surveying · CPC title

• Y02A90/30

  Assessment of water resources · CPC title

• G01V3/28

  using induction coils · CPC title

• G01V3/10 Primary

  using induction coils · CPC title