CN101435787A - Three-dimensional high-density electric method instrument - Google Patents
Three-dimensional high-density electric method instrument Download PDFInfo
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- CN101435787A CN101435787A CNA2008101542596A CN200810154259A CN101435787A CN 101435787 A CN101435787 A CN 101435787A CN A2008101542596 A CNA2008101542596 A CN A2008101542596A CN 200810154259 A CN200810154259 A CN 200810154259A CN 101435787 A CN101435787 A CN 101435787A
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Abstract
The invention provides a three-dimensional high-density electrical prospecting apparatus, which comprises a host, two power-supply pole converters, a measurement pole converter, two groups of power-supply electrodes and a group of measurement electrodes. The 3-D high-density electrical prospecting apparatus provided by the invention can utilize an industrial computer in the host to automatically execute more than 5,000 times of recording of large-sample sampling data, mathematical statistics and discrimination, can automatically perform inspection, and can simultaneously generate two-dimensional or three-dimensional images, thereby ensuring accurate reliable visual measurement results. In addition, sampling amount and speed can be increased by utilizing a high-speed data acquisition card in the industrial computer. Besides, as the power-supply pole converters and the measurement pole converter can be remotely controlled by use of the host, more electrodes can be controlled by use of a small quantity of cables, so as to increase measurement ranges and depth and raise measurement speed. Moreover, as the electrodes are arranged in a quadrupole mode, the measurement depth can reach more than 1,000 meters, thereby expanding the application range of the apparatus.
Description
Technical field
The present invention relates to a kind of geophysical prospecting equipment, particularly relate to a kind of three-dimensional high-density electric method instrument that is used to survey watery, water guide tomography, water guide karst collapse col umn, water-filling tunnel and the goaf in water-bearing zone.
Background technology
Along with the increase of the pit mining degree of depth and the seam mining nearer apart from strong aquifer, disclose near increasing of the digging activity in various permeable structures and old dead zone, the gushing water accident takes place again and again, so mine water disaster has become the important geologic hazard of mine.Prevention take place above-mentioned gushing water accident need be before digging exactly the property of water-bearing and the structure destruction degree to the seat earth rock analyze, dope the bigger projective water point place of gushing water amount thus, so just can avoid taking place the gushing water accident, can avoid taking place disastrous gushing water accident at least.
Underground water is extremely responsive to the electric conductivity of rock, so the resistivity prospecting phreatic effective geophysical prospecting method that is a kind of detections.Geophysical prospecting equipment commonly used in the resistivity prospecting is a high-density electric instrument.Fig. 1 is a kind of high-density electric instrument structural representation of prior art.As shown in Figure 1, this high-density electric instrument mainly comprises successively the electric pilot 1 that links to each other, electrode converter 2, many cables 3 and a plurality of electrode 4.Because the electrode converter 2 in this high-density electric instrument is to link to each other with a plurality of electrodes 4 by many cables 3, be electrode converter 2 and electrode 4 apart from each others, therefore be subjected to cable 3 to use the restriction of length, the zone of measuring is less relatively, and the execute-in-place process is comparatively loaded down with trivial details, thereby operating personnel's workload is bigger.In addition, the electric pilot 1 in this high-density electric instrument can only carry out record to measurement data, and it needs to give PC with these measurement data playback behind the end-of-job to be measured, is handled by PC again, and promptly this high-density electric instrument does not have data processing function.
Fig. 2 is the high-density electric instrument structural representation of another kind of prior art.As shown in Figure 2, this high-density electric instrument mainly comprises electric pilot 5, leader cable 6 and a plurality of electrode 7.Though this high-density electric instrument can demonstrate the measurement curve, need to finish the back and on PC, become figure at surveying work.In addition, this high-density electric instrument is when fathoming greatly (generally more than 500 meters), and the complexity of its field operation can increase greatly, thereby the scope of application is less.In addition, well-known, because the former thereby regular meeting of telluric electricity field disorder causes measurement data inaccurate, and any calculating of carrying out under the numerical value of mistake all will get the wrong sow by the ear, i.e. poor reliability.And, can obtain correct data by the way of mathematical statistics fully as long as sampling is abundant.But above-mentioned two kinds of high-density electric instruments all are not equipped with computer system, thereby the speed of sampling is all lower, so can't carry out the large sample sampling.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide that a kind of measuring speed is fast, reliability is high, it is bigger, applied widely to fathom, and can the on-the-spot three-dimensional high-density electric method instrument that measurement result is analyzed.
In order to achieve the above object, three-dimensional high-density electric method instrument provided by the invention comprises main frame, two power supply utmost point converters, measures utmost point converter, two groups of transmitting electrodes and one group of potential electrode; Wherein main frame comprises industrial computer, feed circuit, metering circuit and electrode converting circuit, and the dc power output end on it is connected to power supply utmost point converter, and the measuring-signal input end then is connected to measures utmost point converter; Two power supply utmost point converters link to each other with main frame and two groups of transmitting electrodes by service cable respectively, measure utmost point converter and then join with main frame and one group of potential electrode by measuring cable respectively.
Described two power supply utmost point converter standoff distances are provided with, and measure utmost point converter and then are arranged between above-mentioned two power supply utmost point converters.
Described every group of transmitting electrode and potential electrode comprise 16 electrodes at least.
Three-dimensional high-density electric method instrument provided by the invention can utilize the industrial computer in the main frame to surpass record, mathematical statistics and the differentiation of 5000 times large sample sampled data automatically, and can test automatically, simultaneously can generate two dimension or three-dimensional picture, so measurement result accurately and reliably and intuitively.In addition, utilize the high-speed data acquisition card in the industrial computer can improve number of samples and speed.In addition, can utilize main frame that power supply utmost point converter and measurement utmost point converter are carried out Long-distance Control, therefore can control more electrode by enough a spot of cables, thereby can increase the measurement range and the degree of depth, and improve measuring speed.In addition, because electrode adopts four utmost point modes to lay, therefore can make to fathom to reach more than 1000 meters, so enlarged the scope of application of instrument.
Description of drawings
Fig. 1 is a kind of high-density electric instrument structural representation of prior art.
Fig. 2 is the high-density electric instrument structural representation of another kind of prior art.
Fig. 3 is a three-dimensional high-density electric method instrument structural representation provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments three-dimensional high-density electric method instrument provided by the invention is elaborated.
As shown in Figure 3, three-dimensional high-density electric method instrument provided by the invention comprise main frame 8, two power supply utmost point converters 9, measure utmost point converter 10, two groups of transmitting electrodes 11 and one group of potential electrode 12; Wherein main frame 8 comprises industrial computer, feed circuit, metering circuit and electrode converting circuit, and the dc power output end on it is connected to power supply utmost point converter 9, and the measuring-signal input end then is connected to measures utmost point converter 10; Two power supply utmost point converters 9 link to each other with main frame 8 and two groups of transmitting electrodes 11 by service cable 13 respectively, measure utmost point converter 10 and then join with main frame 8 and one group of potential electrode 12 by measuring cable 14 respectively.
The 9 standoff distance settings of described two power supply utmost point converters are measured utmost point converter 10 and then are arranged between above-mentioned two power supply utmost point converters 9.
Described every group of transmitting electrode 11 and potential electrode 12 comprise 16 electrodes at least, can increase its quantity according to the actual detection situation.
Utilize the course of work of the property of water-bearing of three-dimensional high-density electric method instrument detection of coal seam floor rock provided by the invention and structure destruction degree as follows:
1, at first on the ground surface in area to be detected standoff distance laid two groups of transmitting electrodes 11, and with two power supply utmost point converters 9 be placed on respectively above-mentioned two groups of transmitting electrodes 11 near, two groups of transmitting electrodes 11 are connected respectively on the corresponding power supply utmost point converter 9 then; On the ground surface between two groups of transmitting electrodes 11, lay one group of potential electrode 12 afterwards, and will measure utmost point converter 10 be placed on above-mentioned potential electrode 12 near, then potential electrode 12 is connected on the measurement utmost point converter 10; Utilize service cable 13 that main frame 8 is linked to each other with two groups of transmitting electrodes 11 at last, simultaneously the dc power output end on the main frame 8 is connected on the power supply utmost point converter 9; Utilize measurement cable 14 that main frame 8 is linked to each other with potential electrode 12, the measuring-signal input end on the main frame 8 is connected to measures on the utmost point converter 10 simultaneously;
2, send control signal by main frame 8, selected a pair of transmitting electrode 11 and a pair of potential electrode 12, transmitting electrode 11 not simultaneously, the difference that then fathoms, and potential electrode 12 is not simultaneously, then measuring position difference;
3, utilize main frame 8 that the voltage of direct supply is outputed to above-mentioned a pair of transmitting electrode 11, one of them electrode is for just, and another electrode is for negative;
4, utilize main frame 8 to read the potential difference (PD) and the supply current of above-mentioned a pair of potential electrode 12;
5, utilize main frame 8 that the voltage reversal of direct supply is outputed to above-mentioned transmitting electrode 11;
6, utilize main frame 8 to read the potential difference (PD) and the supply current of above-mentioned a pair of potential electrode 12;
7, utilize potential difference (PD) that main frame 8 time measures respectively according to positive and negative power supply and supply current and calculate apparent resistivity according to the electrode coefficient that electrode position calculates;
8, repeating step 3 to 7, measure the number of times requirement until reaching, utilize mathematical statistics method that above-mentioned measurement data is calculated and analyzed then, not only requirement result meets the relative error of industry rules requirement less than 5%, but also the notion of coefficient of variation in the introducing mathematical statistics requires the whole coefficient of variation of measurement result less than designated value.For undesirable measurement result, continue repeating step 3 to 7, add up again then, until reaching requirement;
9, repeating step 2 to 8 is to measure the data of other some positions and the degree of depth;
10, with in the industrial machine calculation machine of above-mentioned measurement data record to the main frame 8;
11, utilize the expert system software that is stored in the industrial machine calculation machine that measurement data is analyzed, differentiate to provide auxiliary;
12, utilize main frame 8 to produce three-dimensional contour surface figure and two-dimensional cross section, so that result directly perceived to be provided.
Claims (3)
1, a kind of three-dimensional high-density electric method instrument is characterized in that: described three-dimensional high-density electric method instrument comprises main frame (8), two power supply utmost point converters (9), measures utmost point converter (10), two groups of transmitting electrodes (11) and one group of potential electrode (12); Wherein main frame (8) comprises industrial computer, feed circuit, metering circuit and electrode converting circuit, and the dc power output end on it is connected to power supply utmost point converter (9), and the measuring-signal input end then is connected to measures utmost point converter (10); Two power supply utmost point converters (9) link to each other with main frame (8) and two groups of transmitting electrodes (11) by service cable (13) respectively, measure utmost point converter (10) and then join with main frame (8) and one group of potential electrode (12) by measuring cable (14) respectively.
2, three-dimensional high-density electric method instrument according to claim 1 is characterized in that: the standoff distance setting of described two power supply utmost point converters (9), and measure utmost point converter (10) and then be arranged between above-mentioned two power supply utmost point converters (9).
3, three-dimensional high-density electric method instrument according to claim 1 is characterized in that: described every group of transmitting electrode (11) and potential electrode (12) comprise 16 electrodes at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101542596A CN101435787B (en) | 2008-12-19 | 2008-12-19 | Three-dimensional high-density electric method instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101542596A CN101435787B (en) | 2008-12-19 | 2008-12-19 | Three-dimensional high-density electric method instrument |
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| Publication Number | Publication Date |
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| CN101435787A true CN101435787A (en) | 2009-05-20 |
| CN101435787B CN101435787B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801291A (en) * | 2012-08-17 | 2012-11-28 | 中煤科工集团西安研究院 | Multiplex power supply device of electric method meter for mine |
| CN104656146A (en) * | 2015-02-09 | 2015-05-27 | 河海大学 | Intelligent cable for high density electrical measurement system and measurement method |
| CN104820247A (en) * | 2015-05-18 | 2015-08-05 | 山东科技大学 | Distributed three-dimensional electrical prospecting apparatus for mine, and observation method for distributed three-dimensional electrical prospecting apparatus |
| CN109655494A (en) * | 2018-11-26 | 2019-04-19 | 中国矿业大学 | A kind of mining overburden solid-liquid coupling three dimensional lossless monitoring system and method |
| CN110501747A (en) * | 2019-09-17 | 2019-11-26 | 中兵勘察设计研究院有限公司 | A kind of stone cultural artifact Defect inspection apparatus and system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1021602C (en) * | 1987-07-27 | 1993-07-14 | 邯郸矿务局 | Electric measuring method of depth under well |
| CN2620874Y (en) * | 2003-05-06 | 2004-06-16 | 中国地质大学（武汉） | High density electrical intelligent electrode box and electrode |
| CN201314903Y (en) * | 2008-12-19 | 2009-09-23 | 天津录能泰矿用技术有限公司 | Three-dimensional high-density electrical method apparatus |
-
2008
- 2008-12-19 CN CN2008101542596A patent/CN101435787B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801291A (en) * | 2012-08-17 | 2012-11-28 | 中煤科工集团西安研究院 | Multiplex power supply device of electric method meter for mine |
| CN104656146A (en) * | 2015-02-09 | 2015-05-27 | 河海大学 | Intelligent cable for high density electrical measurement system and measurement method |
| CN104820247A (en) * | 2015-05-18 | 2015-08-05 | 山东科技大学 | Distributed three-dimensional electrical prospecting apparatus for mine, and observation method for distributed three-dimensional electrical prospecting apparatus |
| CN104820247B (en) * | 2015-05-18 | 2016-03-09 | 山东科技大学 | Mine Distributed Three-dimensional electrical prospecting apparatus and observation procedure thereof |
| CN109655494A (en) * | 2018-11-26 | 2019-04-19 | 中国矿业大学 | A kind of mining overburden solid-liquid coupling three dimensional lossless monitoring system and method |
| CN110501747A (en) * | 2019-09-17 | 2019-11-26 | 中兵勘察设计研究院有限公司 | A kind of stone cultural artifact Defect inspection apparatus and system |
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| CN101435787B (en) | 2012-05-23 |
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