CN103499841B - Hole, lane transient electromagnetic device and measuring method - Google Patents
Hole, lane transient electromagnetic device and measuring method Download PDFInfo
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- CN103499841B CN103499841B CN201310427474.XA CN201310427474A CN103499841B CN 103499841 B CN103499841 B CN 103499841B CN 201310427474 A CN201310427474 A CN 201310427474A CN 103499841 B CN103499841 B CN 103499841B
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Abstract
The present invention relates to a kind of lane hole transient electromagnetic device and measuring method, this device comprises emitter and receiving trap, and both split and are connected with main frame respectively; To hole, tunnel integrally, launch during measurement, receiving trap split wherein, host computer control is launched, receiving trap time synchronized, use transient electromagnetic method to measure anomalous body.Closer in anomalous body when the present invention measures, affect little by artificial conductor, signal to noise ratio (S/N ratio) is high; Transmitting coil is placed in tunnel, relative to narrow and small borehole space, can strengthen the parameters such as the number of turn of transmitting coil, the length of side, and improve and launch magnetic moment, coefficient of mutual inductance is almost nil; The bulk effect impact of the contactless detection of effective reduction tunnel transient electromagnetic; Multi-components receiving coil designs, and its array configuration can be various, as adopted PCB receiving coil form, can increase capture area, improving radius of investigation, thus effectively can obtain the geologic body information around boring in certain limit, improve the discrimination precision to anomalous body.
Description
Technical field
The present invention relates to geophysical survey device and measuring method field, particularly a kind of lane hole transient electromagnetic device and measuring method.
Background technology
Transient electromagnetic method (TEM) is a kind of important method faster of Exploration Domain development in recent years, for other geophysical methods, it has the advantages such as investigation depth is large, resolution is high, abundant information, and its range of application relates to the every field such as ground ore deposit, oil, water conservancy.Mine TEM working method is varied, as sending and receiving apparatus in coincide-loop, Genter loop device, hole etc., they have its respective relative merits, shortcoming is mainly reflected in the following aspects: overlapping or Genter loop device resolution is relatively low, and be exposed in mine, by the interference of the humanistic environments such as extractive equipment various in mine, ventilation equipment, detection accuracy and the accuracy of instrument are had a strong impact on; Boring instantaneous change device owing to launching in hole, and its shortcoming is that generally to launch magnetic moment little, and depth of exploration is less.In current underground works detection, main probing and the geophysical prospecting method of relying on is detected disaster.Probing has the limitation of " a peephole view "; And underground space transient electromagnetic method is subject to bulk effect impact, contactless detection geological anomalous body limited precision, when particularly detecting more remote anomalous body, therefore, in conjunction with probing, physical prospecting feature, hole, lane transient electromagnetic detecting is proposed very necessary.
Summary of the invention
The object of the invention is the deficiency existed to solve above-mentioned background technology, propose one and carry out the large coil transmissions of multiturn at tunnel drilling orifice, carry out the reception of multiturn small coil in the borehole, use transient electromagnetic method to carry out hole, lane transient electromagnetic device and the measuring method of effectively detection to anomalous body around of holing, thus reach the objects such as antijamming capability is strong, transmitting magnetic moment is large, detection accuracy is high.
For achieving the above object, the present invention adopts following technical scheme: hole, lane transient electromagnetic device, comprises emitter and receiving trap, and both split and are connected with main frame respectively; Described emitter comprises the multifrequency transmitter, transmitting coil, an A/D collecting unit and the primary scene programmable logic cells (hereinafter referred to as a FPGA) that connect successively, is connected with main frame through first interface; Described receiving trap comprises the receiving coil, the 2nd A/D collecting unit and the secondary scene programmable logic cells (hereinafter referred to as the 2nd FPGA) that connect successively, is connected with main frame through the second interface; Described main frame carries out time synchronized, optimum configurations to transmitting, receiving trap and shows and pre-service the data received.
A described FPGA also accesses the first random access memory (hereinafter referred to as a RAM), and the data of a FPGA process store by a described RAM, then with its read after through first interface stored in main frame.Described transmitting coil is powered by excitation power supply.
Described 2nd FPGA also accesses the second random access memory (hereinafter referred to as the 2nd RAM) and the electronic compass for real time record receiving trap angle information respectively.
Described receiving coil can be list or multi-components receiving coil, list or multi-components receiving transducer, and each component receiving coil or component receiving transducer are separately fixed on one of them face of pedestal.Described list or multi-components receiving coil adopt PCB receiving coil.
First and second interface described adopts RS485 or network interface.
Another object of the present invention is to provide the Transient electromagnetic measure method of this device, comprises the following steps:
(1) be positioned in tunnel by emitter, wherein, the normal direction of transmitting coil is parallel to drilling axis direction; By pvc pipe (as Φ 50 or Φ 40), receiving trap is sent in specified measurement boring;
(2) transmitting, receiving parameter to time synchronized order under main frame are set in main frame;
(3) measured the angle information of one-component receiving coil or one-component receiving transducer by electronic compass, the angle of other coil is obtained by structural relation;
(4) power to transmitting coil by excitation power supply, list/multi-components receiving coil obtains anomalous body secondary field induced signal by the 2nd A/D collecting unit, signal is sent into primary scene programmable logic cells and stored in the first random access memory, and after reading the first random access memory data with primary scene programmable logic cells, through RS485 or network interface stored in main frame, undertaken showing and pre-service by main frame;
(5) in the borehole, receiving trap is sent into diverse location by pvc pipe (as Φ 50 or Φ 40), carries out work according to above-mentioned (3)-(4) step, obtain the corresponding induced signal of different depth, form the physical property infomation of diverse location.
In step (2), described transmitting, receiving parameter are transmission frequency, emitting voltage, sampling interval, survey number of channels, stacking fold, sampling time; Described main frame shows and pre-service the data received.
In step (3), described angle information be position angle, roll angle and bow, elevation information.
From above-mentioned technical approach; The present invention will hole, tunnel integrally, transmitting, receiving trap are separated, with host computer control launch, receiving trap time synchronized, use transient electromagnetic method anomalous body is measured.
Beneficial effect of the present invention: relative to tunnel device (as coincide-loop, Genter loop device), apparatus of the present invention are closer in anomalous body, and receiving trap is positioned in boring, and affect little by artificial conductor, signal to noise ratio (S/N ratio) is high; Transmitting coil is positioned in tunnel, relative to very narrow and small borehole space, can strengthen the parameters such as the number of turn of transmitting coil, the length of side, and improve and launch magnetic moment, and transmitting coil normal direction is perpendicular to drilling axis direction, coefficient of mutual inductance is almost nil; Transmitting, receiving trap design, can effectively reduce the contactless detection of tunnel transient electromagnetic bulk effect impact; Multi-components receiving coil designs, and its array configuration can be various, as adopted PCB receiving coil form, capture area can be increased, improve radius of investigation, thus effectively can obtain the geologic body information around boring in certain limit, greatly improve the precision that anomalous body differentiates.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram.
Fig. 2 is the structural representation of the embodiment of the present invention one.
Fig. 3 is receiving trap structural representation in the embodiment of the present invention one.
In figure, 1. tunnel, 2. emitter (each device label of emitter: 21. multifrequency transmitters, 22. excitation power supplies, 23. transmitting coils, 24. the one A/D collecting units, 25. the one FPGA, 26. the one RAM, 27. power supply A, 28. first interfaces), 3. hole, 4. receiving trap, (each device label of receiving trap: 41. receiving coil 42. electronic compasss, 43. the 2nd RAM, 44. the 2nd A/D collecting units, 45. the 2nd FPGA, 46. power supply B, 47. second interfaces), 5. transmitting loop cable, 6. pedestal, 7. drilling depth scale mark, 8. launch lead-in wire, 9. main frame.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment one:
As shown in Figure 1, Figure 2 and Figure 3, hole, lane transient electromagnetic device comprises main frame 9 and the emitter 2 be attached thereto respectively and receiving trap 4.When measuring, emitter 2 and receiving trap 4 are positioned in tunnel 1 and boring 3 respectively.The present invention will hole, tunnel integrally, transmitting, receiving trap are separated, with host computer control launch, receiving trap time synchronized, use transient electromagnetic method anomalous body is measured.
Emitter comprises the multifrequency transmitter 21, excitation power supply 22, transmitting coil 23, an A/D collecting unit 24, a FPGA25 and the first interface 28 that connect successively.One FPGA also accesses a RAM26 and power supply A27.Excitation power supply 22 is powered to transmitting coil 23, and power supply A27 powers to a FPGA25.
Receiving trap 4 comprises the receiving coil 41, the 2nd A/D collecting unit 44, the 2nd FPGA45 and the second interface 47 that connect successively.2nd FPGA also accesses electronic compass 42, the 2nd RAM43 and power supply B46.Access the angle information of electronic compass 42 for real time record stationary installation, as position angle, roll angle and the angle of pitch etc.Excitation power supply 22 is powered to transmitting coil 23, and power supply B46 powers to the 2nd FPGA.First interface 28 and the second interface 47 all adopt RS485 or network interface.Receiving coil 41 adopts multi-components receiving coil, and each component receiving coil is separately fixed on one of them face of pedestal 6.The number of the component that the 2nd A/D collecting unit can adopt according to receiving coil determines the number of A/D acquisition channel.The design of multi-components receiving coil, its array configuration can be various, as adopted PCB receiving coil form, capture area can be increased, improve radius of investigation, thus effectively can obtain the geologic body information around boring in certain limit, improve the discrimination precision to anomalous body.
PCB receiving coil is on PCB body, be provided with the coil that single or multiple lift cloth copper formed through etching, and coil is connected by serial or parallel connection and forms PCB coil plate, and excites through connector access, in receiving circuit.
In transmitter-receiver device, FPGA for control A/D collecting unit, as control sampling rate, filter factor etc.; The signal of collection is sent into FPGA process by A/D collecting unit; RAM be used for the data of FPGA process are stored, then with FPGA reading after through RS485 interface stored in main frame.
Main frame 9 for carrying out time synchronized, optimum configurations to transmitting, receiving trap, the data received are shown and pre-service etc.
Embodiment two:
Be receiving trap with the difference of embodiment one, receiving coil is receiving transducer, adopts three-component form.Also simple component receiving transducer form can be adopted.
Embodiment three: be the design of simple component receiving coil with the difference of embodiment one, as adopted PCB receiving coil form, can capture area be increased, improving radius of investigation, thus the geologic body information that can effectively obtain around boring in certain limit, greatly improve the precision that anomalous body differentiates.
Embodiment four: be the parallel placement of multi-components receiving coil with the difference of embodiment one, accordingly, the pedestal of fixed reception coil has two faces at least, and according to real work needs, pedestal can be tetrahedron, hexahedron, octahedron, even more polyhedron.
Hole, lane Transient electromagnetic measure method, comprises the following steps:
(1) be positioned in tunnel by emitter, wherein, the normal direction of transmitting coil is parallel to drilling axis direction; By pvc pipe (as Φ 50 or Φ 40), receiving trap is sent in specified measurement boring;
(2) transmitting, receiving parameter to time synchronized order under main frame are set in main frame;
(3) measured the angle information of one-component receiving coil or one-component receiving transducer by electronic compass, the angle of other coil is obtained by structural relation;
(4) power to transmitting coil by excitation power supply, list/multi-components receiving coil obtains anomalous body secondary field induced signal by the 2nd A/D collecting unit, signal is sent into primary scene programmable logic cells and stored in the first random access memory, and after reading the first random access memory data with primary scene programmable logic cells, through RS485 or network interface stored in main frame, undertaken showing and pre-service by main frame;
(5) in the borehole, receiving trap is sent into diverse location by pvc pipe (as Φ 50 or Φ 40), carries out work according to above-mentioned (3)-(4) step, obtain the corresponding induced signal of different depth, form the physical property infomation of diverse location.
Above are only embodiments of the invention, to one skilled in the art, the present invention has multiple change and change.Allly within invention thought of the present invention and principle, make any amendment, equivalently to replace, improve, all should be included within protection scope of the present invention.
Claims (7)
1. hole, lane transient electromagnetic device, is characterized in that: comprise emitter and receiving trap, and both split and are connected with main frame respectively; Described emitter comprises the multifrequency transmitter, transmitting coil, an A/D collecting unit and the primary scene programmable logic cells that connect successively, is connected with main frame through first interface; Described receiving trap comprises the receiving coil, the 2nd A/D collecting unit and the secondary scene programmable logic cells that connect successively, is connected with main frame through the second interface; Described primary scene programmable logic cells also accesses the first random access memory, and the data of primary scene programmable logic cells process store by described first random access memory, then with its read after through first interface stored in main frame; Described receiving coil is list or multi-components receiving coil, or adopts list or multi-components receiving transducer, and each component receiving coil/probe of described multi-components receiving coil/probe is separately fixed on one of them face of pedestal.
2. hole, lane according to claim 1 transient electromagnetic device, is characterized in that: described secondary scene programmable logic cells also accesses the second random access memory and the electronic compass for real time record receiving trap angle information respectively.
3. hole, lane according to claim 1 transient electromagnetic device, is characterized in that: first and second interface described adopts RS485 or network interface.
4. hole, lane according to claim 1 transient electromagnetic device, is characterized in that: described list or multi-components receiving coil adopt PCB receiving coil.
5., based on the Transient electromagnetic measure method of device described in any one of claim 1-4, it is characterized in that: comprise the following steps:
(1) be positioned in tunnel by emitter, wherein, the normal direction of transmitting coil is parallel to drilling axis direction; Be that receiving trap is sent in specified measurement boring by the pvc pipe of 40-50mm by diameter;
(2) transmitting, receiving parameter to time synchronized order under main frame are set in main frame;
(3) measured the angle information of one-component receiving coil or one-component receiving transducer by electronic compass, the angle of other coil is obtained by structural relation;
(4) power to transmitting coil by excitation power supply, list/multi-components receiving coil obtains anomalous body secondary field induced signal by the 2nd A/D collecting unit, signal is sent into primary scene programmable logic cells and stored in the first random access memory, and after reading the first random access memory data with primary scene programmable logic cells, through RS485 or network interface stored in main frame, undertaken showing and pre-service by main frame;
(5) in the borehole, receiving trap is sent into diverse location by the pvc pipe that diameter is 40-50mm, carries out work according to above-mentioned (3)-(4) step, obtain the corresponding induced signal of different depth, form the physical property infomation of diverse location.
6. Transient electromagnetic measure method according to claim 5, it is characterized in that: in step (2), described transmitting, receiving parameter are transmission frequency, emitting voltage, sampling interval, stacking fold, survey number of channels, sampling time, and described main frame shows and pre-service the data received.
7. Transient electromagnetic measure method according to claim 5, is characterized in that: in step (3), described angle information be position angle, roll angle and bow, elevation information.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104090306B (en) * | 2014-07-01 | 2016-08-17 | 中煤科工集团西安研究院有限公司 | Radial direction abnormal water-bearing body detection method in coal mine down-hole drilling |
| CN106033128B (en) * | 2015-03-18 | 2018-07-10 | 安徽惠洲地质安全研究院股份有限公司 | A kind of safety cap with roof water inrush warning function |
| CN104714256A (en) * | 2015-03-18 | 2015-06-17 | 安徽惠洲地质安全研究院股份有限公司 | Quick well wall and wall back nondestructive detecting system based on transient electromagnetic method and detection method of the detection system |
| CN105717544B (en) * | 2016-04-26 | 2018-03-23 | 吉林大学 | The transient electromagnetic emitting-receiving system that collection storage in real time and data are released into diagram |
| CN106970424B (en) * | 2017-03-17 | 2019-05-28 | 中煤科工集团西安研究院有限公司 | A kind of coal mine hole lane transient electromagnetic is superimposed forward probe device and method |
| CN107703552B (en) * | 2017-09-21 | 2019-04-02 | 武汉长盛煤安科技有限公司 | A kind of mining drilling three-dimensional orientation transient electromagnetic forward probe device and method |
| CN108227012A (en) * | 2017-12-27 | 2018-06-29 | 湖南五维地质科技有限公司 | Obtain the device and method of the ground end data of set depth in target area |
| CN113687428B (en) * | 2021-08-25 | 2023-07-14 | 天津市嘉信技术工程公司 | Precise electromagnetic calibration method for ultra-deep underground pipeline azimuth |
| CN114994772A (en) * | 2022-05-26 | 2022-09-02 | 山东大学 | Solid source transient electromagnetic auxiliary device and method suitable for rock wall internal seepage detection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247821A (en) * | 1978-07-20 | 1981-01-27 | Commonwealth Scientific And Industrial Research Organization | Transient electromagnetic prospecting apparatus possessing noise supression features |
| CN102353996A (en) * | 2011-06-28 | 2012-02-15 | 安徽惠洲地下灾害研究设计院 | Directional transient electromagnetic device in drill hole and measurement method thereof |
| CN202256697U (en) * | 2011-09-29 | 2012-05-30 | 北京先驱高技术开发公司 | Deep sea transient electromagnetic detection device |
| CN102681018A (en) * | 2011-03-10 | 2012-09-19 | 福州勘达源电子科技有限公司 | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method |
| CN102707659A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Master control system of transient electromagnetic detecting instrument and use method of master control system |
| CN203480045U (en) * | 2013-09-18 | 2014-03-12 | 安徽惠洲地下灾害研究设计院 | Roadway hole transient electromagnetic device |
-
2013
- 2013-09-18 CN CN201310427474.XA patent/CN103499841B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247821A (en) * | 1978-07-20 | 1981-01-27 | Commonwealth Scientific And Industrial Research Organization | Transient electromagnetic prospecting apparatus possessing noise supression features |
| CN102681018A (en) * | 2011-03-10 | 2012-09-19 | 福州勘达源电子科技有限公司 | Transient electromagnetic instrument for mine and transient electromagnetic signal processing method |
| CN102353996A (en) * | 2011-06-28 | 2012-02-15 | 安徽惠洲地下灾害研究设计院 | Directional transient electromagnetic device in drill hole and measurement method thereof |
| CN202256697U (en) * | 2011-09-29 | 2012-05-30 | 北京先驱高技术开发公司 | Deep sea transient electromagnetic detection device |
| CN102707659A (en) * | 2012-06-05 | 2012-10-03 | 北京工业大学 | Master control system of transient electromagnetic detecting instrument and use method of master control system |
| CN203480045U (en) * | 2013-09-18 | 2014-03-12 | 安徽惠洲地下灾害研究设计院 | Roadway hole transient electromagnetic device |
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