CN211653169U - Mining transient electromagnetic instrument sensor device - Google Patents
Mining transient electromagnetic instrument sensor device Download PDFInfo
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- CN211653169U CN211653169U CN202020478289.9U CN202020478289U CN211653169U CN 211653169 U CN211653169 U CN 211653169U CN 202020478289 U CN202020478289 U CN 202020478289U CN 211653169 U CN211653169 U CN 211653169U
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Abstract
The utility model provides a mining transition electromagnetism appearance sensor device, includes inlayer cylinder skeleton and outer cylinder skeleton, outer cylinder skeleton encircles and sets up in the inlayer cylinder skeleton outside, and inlayer cylinder skeleton surface winding receiving coil, outer cylinder skeleton surface winding exciting coil, inlayer cylinder skeleton on install the magnetic core, contain the insulator between magnetic core and the inlayer cylinder skeleton, be provided with signal line one on the exciting coil, be provided with signal line two on the receiving coil. The utility model utilizes the external power supply device of the signal wire and the output of the detection signal, focuses the space electromagnetic field through the magnetic core, and improves the amplitude and the information of the magnetic field; the sensor device has the advantages of small mutual inductance effect, strong anti-interference capability and light equipment, and can greatly improve the working efficiency and precision of underground detection by the transient electromagnetic method.
Description
Technical Field
The utility model relates to a pipeline inspection technical field, in particular to mining transient electromagnetism appearance sensor device.
Background
The sensor is a key component in transient electromagnetic exploration and is used for generating a space electromagnetic field, and currently, in mine transient electromagnetic exploration, the sensor is mostly a single square coil, so that the quality is heavy, the detection efficiency is low, and the construction progress is seriously influenced. The generation of the magnetic field mainly comes from the fact that a single coil has no binding capacity on a space electromagnetic field, the energy loss of the magnetic field is serious during diffusion, the signal-to-noise ratio of a detection signal is low, and the inaccuracy of a detection result is high.
Disclosure of Invention
In order to solve the technical problem, the utility model aims to provide a mining transient electromagnetic instrument sensor device, which focuses a space electromagnetic field through a magnetic core and improves the amplitude of the magnetic field; the sensor device has the advantages of small mutual inductance effect, strong anti-interference capability and light equipment, and can greatly improve the working efficiency and precision of underground detection by the transient electromagnetic method.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a mining transient electromagnetism appearance sensor device, includes coaxial inlayer cylinder skeleton 4 and outer cylinder skeleton 3, outer cylinder skeleton 3 encircles and sets up in the 4 outsides of inlayer cylinder skeleton, and 4 surface winding receiving coil 2 of inlayer cylinder skeleton, 3 surface winding exciting coil 1 of outer cylinder skeleton, inlayer cylinder skeleton 4 in install rather than coaxial magnetic core 6, contain insulator 5 between magnetic core 6 and the inlayer cylinder skeleton 4, exciting coil 1 is last to be provided with signal line one 7, is provided with signal line two 8 on the receiving coil 2.
The inner layer cylindrical framework 4 and the outer layer cylindrical framework 3 are cylindrical and made of non-ferromagnetic substances.
The magnetic core 6 is ferromagnetic material and is cylindrical.
The excitation coil 1 is formed by winding a thick enameled wire, and the receiving coil 2 is formed by winding a thin enameled wire.
The utility model has the advantages that:
the utility model has focusing ability to space electromagnetic field, reducing energy loss;
the utility model has small mutual inductance effect, strong anti-interference capability and portable equipment;
the utility model discloses the acquisition detects the SNR high, can increase substantially the work efficiency and the precision of transient electromagnetic method survey in the pit.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, a mining transient electromagnetic instrument sensor device comprises an outer cylindrical framework 3, an inner cylindrical framework 4, an excitation coil 1, a receiving coil 2, a magnetic core 6, an insulator 5, a signal line I7 and a signal line II 8, wherein the excitation coil 1 is wound on the outer surface of the outer cylindrical framework 3, the receiving coil 2 is wound on the outer surface of the inner cylindrical framework 4, the excitation coil is provided with the signal line I7, the receiving coil is provided with the signal line II 8, the magnetic core 6 is installed inside the inner cylindrical framework 4, and the insulator 5 is contained between the magnetic core 6 and the inner cylindrical framework 4 and is tightly connected with the same.
The outer layer cylindrical framework 3 is formed by winding a thick enameled wire into an exciting coil 1, the inner layer cylindrical framework 4 is formed by winding a thin enameled wire into a receiving coil 2, and the exciting coil 1 and the receiving coil 2 are provided with signal wires for connecting an external power supply and outputting useful signals.
The magnetic core 6 is ferromagnetic substance and presents a cone shape, and an insulator is arranged between the magnetic core 6 and the inner layer cylindrical framework 4.
The device can focus a space magnetic field and improve the amplitude and information of the magnetic field.
The sensor device has the advantages of small mutual inductance effect, strong anti-interference capability and light equipment, and can greatly improve the working efficiency and precision of underground detection by the transient electromagnetic method.
The magnetic poles of the magnetic core 6 are positioned at the center of the magnetic core 6, and the magnetic poles are respectively positioned at the upper end and the lower end.
The utility model discloses a theory of operation:
the signal wire I7 on the exciting coil 1 is connected with an external power supply device, so that a space exciting electromagnetic field is diffused outwards, the electromagnetic field is bound through the magnetic core 5, energy is concentrated, the receiving coil 2 is used for receiving useful detection signals and transmitting the useful detection signals to an external data processing part through the signal wire II 8, the mutual inductance effect is reduced through the insulator 5, and the detection efficiency and the detection precision are improved.
Claims (4)
1. The utility model provides a mining transient electromagnetism appearance sensor device, its characterized in that, includes coaxial inlayer cylinder skeleton (4) and outer cylinder skeleton (3), and outer cylinder skeleton (3) encircle to set up in inlayer cylinder skeleton (4) outside, and inlayer cylinder skeleton (4) surface winding receiving coil (2), outer cylinder skeleton (3) surface winding exciting coil (1), inlayer cylinder skeleton (4) in install rather than coaxial magnetic core (6), contain insulator (5) between magnetic core (6) and inlayer cylinder skeleton (4), be provided with signal line (7) on exciting coil (1), be provided with signal line two (8) on receiving coil (2).
2. The mining transient electromagnetic instrument sensor device as claimed in claim 1, wherein said inner cylindrical frame (4) and said outer cylindrical frame (3) are cylindrical and made of non-ferromagnetic material.
3. The mining transient electromagnetic instrument sensor device of claim 1, characterized in that said magnetic core (6) is ferromagnetic and cylindrical.
4. The mining transient electromagnetic instrument sensor device according to claim 1, characterized in that the exciting coil (1) is formed by winding thick enameled wires, and the receiving coil (2) is formed by winding thin enameled wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478289.9U CN211653169U (en) | 2020-04-03 | 2020-04-03 | Mining transient electromagnetic instrument sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020478289.9U CN211653169U (en) | 2020-04-03 | 2020-04-03 | Mining transient electromagnetic instrument sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653169U true CN211653169U (en) | 2020-10-09 |
Family
ID=72688376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020478289.9U Expired - Fee Related CN211653169U (en) | 2020-04-03 | 2020-04-03 | Mining transient electromagnetic instrument sensor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653169U (en) |
-
2020
- 2020-04-03 CN CN202020478289.9U patent/CN211653169U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210403 |