CN105891891A - Driving working face multi-azimuth direct current electric method advanced geological exploration system and method - Google Patents
Driving working face multi-azimuth direct current electric method advanced geological exploration system and method Download PDFInfo
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- CN105891891A CN105891891A CN201610401102.3A CN201610401102A CN105891891A CN 105891891 A CN105891891 A CN 105891891A CN 201610401102 A CN201610401102 A CN 201610401102A CN 105891891 A CN105891891 A CN 105891891A
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- direct current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
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- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a driving working face multi-azimuth direct current electric method advanced geological exploration system and method. The problem existing in the existing direct current electric method advanced geological exploration that signals cannot be acquired in a multi-azimuth manner is solved. The driving working face multi-azimuth direct current electric system comprises a direct current electric method instrument (5) arranged in an underground roadway (3), wherein a direct current electric method exploring electrode (1) is arranged at a central position of a driving working face of the underground roadway (3); the direct current electric method exploring electrode (1) is electrically connected with a direct current power supply wiring terminal (6) on the direct current electric method instrument (5); electrode receiving lines (2) are uniformly distributed in the roadway (3) close to the underground driving working face; and the tail ends of the electrode receiving lines (2) are connected with a signal receiving end (4) on the direct current electric method instrument (5). The exploration precision of geological conditions in front of the driving working face is improved.
Description
Technical field
The present invention relates to the advance geology exploration system of a kind of underground coal mine driving face, carry out device and the detection method of multi-faceted detection particularly to a kind of geological condition to underground coal mine driving face front.
Background technology
When the geological condition in underground coal mine driving face front is carried out advanced DC electrical method geology detecting, it is on driving face in coal mine, lay a DC electrical method detection electrode, after to this electrode power supply, a spherical electric field can be defined in non-digging coal seam, front, by arranging that in tunnel receives an electrode wires, receive the relative change of the electrical signals of the electric field strength of this spherical electricity place forming, it is judged that the geological state in driving face front.Prior art is owing to only arranging that in tunnel a strip electrode receives line, and the echo-signal that there is the geological condition receiving reflection driving face front is not comprehensive, receives signal by receiving line and lays the defect that azimuthal influence is big, causes detection accuracy low.
Summary of the invention
The invention provides a kind of driving face multi-faceted DC electrical method advance geology exploration system and method, the collection signal solving the existence of existing DC electrical method advance geology exploration is not omnibearing technical problem
The present invention is to solve above technical problem by the following technical programs:
A kind of driving face multi-faceted DC electrical method advance geology exploration system, including underworkings, electric method meter it is provided with in underworkings, the middle position of the getting working face of underworkings is provided with DC electrical method detection electrode, DC electrical method detection electrode is electrically connected with the direct current supply terminals on electric method meter, being evenly equipped with electrode in the tunnel near down-hole driving face and receive line, electrode receives the end of line and links together with the signal receiving end on electric method meter.
Ground near the underworkings of down-hole driving face is evenly equipped with 5 electrodes and receives line.
A kind of driving face multi-faceted DC electrical method advance geology exploration method, comprises the following steps:
The first step, on the middle position of the getting working face of underworkings lay DC electrical method detection electrode, DC electrical method is detected electrode and is electrically connected with the direct current supply terminals on electric method meter；
Second step, laying 5 electrodes equably receive lines on the ground near the underworkings of down-hole driving face, the signal receiving end of end and electric method meter that electrode receives line links together；
3rd step, by electric method meter to DC electrical method detection electrode be powered；
4th step, the electrical signals sent back to by 5 electrodes reception lines of electric method meter reception, after being analyzed electrical signals processing, obtain the geology detecting result in driving face front, down-hole.
Present invention achieves the multi-faceted reception of the electrical signals of geology to driving face front, it is possible to analyze the geological condition in driving face front the most in all directions, improve the detection accuracy of geological condition before driving face.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings:
A kind of driving face multi-faceted DC electrical method advance geology exploration system, including underworkings 3, electric method meter 5 it is provided with in underworkings 3, the middle position of the getting working face of underworkings 3 is provided with DC electrical method detection electrode 1, DC electrical method detection electrode 1 is electrically connected with the direct current supply terminals 6 on electric method meter 5, being evenly equipped with electrode in the tunnel 3 near down-hole driving face and receive line 2, electrode receives the end of line 2 and links together with the signal receiving end 4 on electric method meter 5.
Ground near the underworkings 3 of down-hole driving face is evenly equipped with 5 electrodes and receives line 2, it is achieved that DC electrical method detection electrode 1 is produced the comprehensive reception of the electrical signals of the electric field strength of spherical electricity place forming.
A kind of driving face multi-faceted DC electrical method advance geology exploration method, comprises the following steps:
The first step, on the middle position of the getting working face of underworkings 3 lay DC electrical method detection electrode 1, DC electrical method is detected electrode 1 and is electrically connected with the direct current supply terminals 6 on electric method meter 5；
Second step, laying 5 electrodes equably receive lines 2 on the ground near the underworkings 3 of down-hole driving face, the signal receiving end 4 of end and electric method meter 5 that electrode receives line 2 links together；
3rd step, by electric method meter 5 to DC electrical method detection electrode 1 be powered, DC electrical method detection electrode 1 can produce a spherical electric field；
4th step, received 5 electrodes by electric method meter 5 and receive the electrical signals that lines 2 are sent back to, after being analyzed electrical signals processing, obtain the geology detecting result in driving face front, down-hole.
Claims (3)
1. a driving face multi-faceted DC electrical method advance geology exploration system, including underworkings (3), electric method meter (5) it is provided with in underworkings (3), the middle position of the getting working face of underworkings (3) is provided with DC electrical method detection electrode (1), DC electrical method detection electrode (1) is electrically connected with the direct current supply terminals (6) on electric method meter (5), it is characterized in that, in the tunnel (3) near down-hole driving face, it is evenly equipped with electrode receives line (2), electrode receives the end of line (2) and links together with the signal receiving end (4) on electric method meter (5).
A kind of driving face multi-faceted DC electrical method advance geology exploration system the most according to claim 1, it is characterised in that be evenly equipped with 5 electrodes on the ground near the underworkings (3) of down-hole driving face and receive line (2).
3. a driving face multi-faceted DC electrical method advance geology exploration method, comprises the following steps:
The first step, laying DC electrical method detection electrode (1) on the middle position of the getting working face of underworkings (3), detect DC electrical method electrode (1) and be electrically connected with the direct current supply terminals (6) on electric method meter (5)；
Second step, laying 5 electrodes equably receive line (2) on the ground near the underworkings (3) of down-hole driving face, the signal receiving end (4) of end and electric method meter (5) that electrode receives line (2) links together；
3rd step, by electric method meter (5) to DC electrical method detection electrode (1) be powered；
4th step, the electrical signals sent back to by 5 electrodes reception line (2) of electric method meter (5) reception, after being analyzed electrical signals processing, obtain the geology detecting result in driving face front, down-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401102.3A CN105891891A (en) | 2016-06-08 | 2016-06-08 | Driving working face multi-azimuth direct current electric method advanced geological exploration system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610401102.3A CN105891891A (en) | 2016-06-08 | 2016-06-08 | Driving working face multi-azimuth direct current electric method advanced geological exploration system and method |
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| CN105891891A true CN105891891A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610401102.3A Pending CN105891891A (en) | 2016-06-08 | 2016-06-08 | Driving working face multi-azimuth direct current electric method advanced geological exploration system and method |
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| CN (1) | CN105891891A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680882A (en) * | 2016-12-22 | 2017-05-17 | 煤炭科学技术研究院有限公司 | Detection system based on surface-underground space and stereoscopic direct-current-process-based data acquisition |
| CN109387878A (en) * | 2018-11-28 | 2019-02-26 | 山东科技大学 | A kind of mine total space three-dimensional observation device and preparation method |
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| US5861750A (en) * | 1995-01-09 | 1999-01-19 | Anderson; Dennis M. | Geophysical methods and apparatus for determining the hydraulic conductivity of porous materials |
| CN104678447A (en) * | 2015-03-27 | 2015-06-03 | 中国矿业大学 | High-efficiency data acquisition system adopting mine direct-current electrical method and method of high-efficiency data acquisition system |
| CN205982664U (en) * | 2016-06-08 | 2017-02-22 | 山西煤炭进出口集团科技发展有限公司 | Diversified leading geological survey system of direct current electric method of headwork face |
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2016
- 2016-06-08 CN CN201610401102.3A patent/CN105891891A/en active Pending
Patent Citations (3)
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| US5861750A (en) * | 1995-01-09 | 1999-01-19 | Anderson; Dennis M. | Geophysical methods and apparatus for determining the hydraulic conductivity of porous materials |
| CN104678447A (en) * | 2015-03-27 | 2015-06-03 | 中国矿业大学 | High-efficiency data acquisition system adopting mine direct-current electrical method and method of high-efficiency data acquisition system |
| CN205982664U (en) * | 2016-06-08 | 2017-02-22 | 山西煤炭进出口集团科技发展有限公司 | Diversified leading geological survey system of direct current electric method of headwork face |
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| SHUCAI LI ET AL.: "Detecting and monitoring of water inrush in tunnels and coal mines using direct current resistivity method: A review", 《JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING》 * |
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| 王松等: "直流电法超前探测系统与数据处理", 《煤炭技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680882A (en) * | 2016-12-22 | 2017-05-17 | 煤炭科学技术研究院有限公司 | Detection system based on surface-underground space and stereoscopic direct-current-process-based data acquisition |
| CN106680882B (en) * | 2016-12-22 | 2021-10-15 | 煤炭科学技术研究院有限公司 | Detection system based on three-dimensional direct current electrical method data acquisition in space from top to bottom of well |
| CN109387878A (en) * | 2018-11-28 | 2019-02-26 | 山东科技大学 | A kind of mine total space three-dimensional observation device and preparation method |
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Application publication date: 20160824 |