CN1330979C - Detector for shallow stratum fracture hole - Google Patents
Detector for shallow stratum fracture hole Download PDFInfo
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- CN1330979C CN1330979C CNB2004100212340A CN200410021234A CN1330979C CN 1330979 C CN1330979 C CN 1330979C CN B2004100212340 A CNB2004100212340 A CN B2004100212340A CN 200410021234 A CN200410021234 A CN 200410021234A CN 1330979 C CN1330979 C CN 1330979C
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- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
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- 238000003384 imaging method Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000007123 defense Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
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- 238000013016 damping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
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Abstract
The invention provides a shallow stratum crack hole detector, which aims to solve the technical problems that: the existing similar detectors have the defects of multiple devices, heavy weight, large volume, slow information acquisition and data processing and are unfavorable for rapidly detecting and accurately analyzing underground geological conditions on site. The key points of the invention are as follows: the distributed electrode switch box is integrated with the string type cable. The host computer adopts an industrial personal computer, the computer is integrated with the acquisition main board, not only can store data, but also can process data and image on site, and the invention has the positive effects that: information acquisition, electronic switching, data processing and intelligent power supply are organically integrated, and the size and the weight are greatly reduced; the host machine adopts an industrial personal computer, can acquire information in real time, process data, analyze data and image, improves the exploration efficiency and precision, and is suitable for various geological exploration of shallow stratum fracture holes.
Description
Technical field
The present invention relates to basic geology condition, the underground detection instrument that buries aspects such as body hidden dangers in project, dyke dangerous situation, it is the electrical property difference based on subsurface formations, survey geological condition according to the underground artificial or natural electric field space distribution rule that observes, for every engineering construction as all kinds of engineering projects such as the engineering of setting up defences, civil air defense constructions and installations, skyscraper, sub., highway, bridge harbour, airport and river levee dams, provide economical, fast, underground prospecting accurately and reliably.
Background technology
In the national defense construction and the development of the national economy of high speed development, it is the prerequisite of every engineering construction that the basic geology condition is surveyed, and the dangerous situation that scents a hidden danger is the key of disaster reduction and prevention.Increasing along with all kinds of high standard engineering projects such as the engineering of setting up defences, civil air defense constructions and installations, skyscraper, sub., highway, bridge harbour, airport and river levee dams, environmental geology is estimated and monitoring field (such as burying tunnel oral area, dykes and dams dangerous situation, landslide, crack seepage etc.) constantly enlarges, require economical, finish the underground prospecting task of every engineering of setting up defences fast, accurately and reliably.Electric measuring method then is the important means that addresses the above problem, and it is the electrical property difference based on subsurface formations, solves geological problem according to the underground artificial or natural electric field space distribution rule that observes.Usually, in underground space, cave or fault crevice of certain scale, during not by underground water or other material filling, reflection is the high resistant off-note electrically; Otherwise, being the low-resistance off-note, Fig. 1 is the resistivity method fundamental diagram, and A, B are power supply among the figure, and M, N are electrode.At present the DUK-1 type electrical survey (-ing) system that produces of Beijing geological instrument factory adopts this high-density resistivity method exactly, surveys shallow stratum geological condition.It mainly is made up of main frame, centralized electrode change-over switch, cable, electrode and power supply etc.The course of work is that electrode is gathered next data at the scene, delivers in the main frame and stores, and when needing processing and demonstration, the external computing machine of main frame is shown by Computer Processing, imaging.
The problem that it exists is:
1, because it adopts centralized electrode change-over switch, not only this switch weight and volume is huge, and its cable of each collection terminal subband and ten electrodes, when sensing point for a long time, need a lot of root cables, cause the bulky of whole instrument, inconvenience is carried, and is difficult for reconnoitring fast under the condition of complexity;
2, its main frame only can data storage, and not having self processing capacity can not site disposal, reduces work efficiency;
3, the data of being gathered are single, only can resistivity measurement, and be not easy to subsurface picture and carry out analysis-by-synthesis accurately.
Summary of the invention
The object of the present invention is to provide a kind of fissure hole hole, shallow stratum detection instrument that solves above-mentioned deficiency.
The object of the present invention is achieved like this: it is made up of main frame, electrode, power supply, it is characterized in that:
1, it also has distributed electrode switch serial type cable, it by the serial type cable with several switches bunchiness that is connected to each other.For solving the reception and the automatic addressing problem of the command signal of sending, designed the interface circuit of a move instruction by instrument host.This circuit adopts serial output mode, principal computer will instruct does the serial variation by interface circuit, make level through output circuit again and promote back formation DATA data stream, CLOCK clock and ENABLE function, the SCI serial data stream is exported to each electrode switch.The characteristics of this interface circuit are to need not to judge each switch enclosure self number, only decide its position by putting in order, thereby have reached the purpose of automatic addressing.Simultaneously, distributed electrode switch electrical structure adopts the large scale integrated circuit technology, with the processing of paster encapsulation technology, makes the single switch volume be reduced to Φ 15 * 110mm.In addition, develop jamproof specific complex cable, as the serial type stube cable of distributed electrode.For solving mutually serious interference problem between the line that has high voltage supply line, slotted line, digital connection and power lead in the cable simultaneously, designed double layer screen in the line, wherein the AB supply lines adds the shielding of aluminium film, and whole cable is compiled the bare wire shielding for the aluminium film adds.Crust adopts the fine cl material of anti-aging poly-fourth, has very high insulativity.So, it is integrated to make that cable and electrode change-over switch form, and is again cable, is again electrode change-over switch, has significantly reduced the weight and volume of system;
2, said main frame select that internal memory is big, data processing fast the high-performance industrial computer as primary processor, and designed the control acquisition interface circuit that is associated with parallel port of computer, make computing machine export steering order to master control borad by parallel port, work by master control borad encoded control each several part, master control borad is sent into computing machine with the V, the I signal that collect by interface, carries out computing, processing, one-tenth figure by computing machine.
3, be the resistivity chromatogram that shows the electric structure in ground in real time, inversion imaging is an emphasis in this research, and the present invention uses RES2DINV high-density resistivity data inversion program, has solved this problem effectively.What its adopted is accurate Newton optimization (Loke and Barker1996) least square law technology, and the fast operation of the more conventional least square method of this technology is more than 10 times, and can adjust ratio of damping and level and smooth filter factor, to adapt to the needs of different models.
4, for adapting to the needs of the different detections of a target, improve the degree of accuracy and the resolution of surveying work, instrument has increased the high density double-frequency induced polarization method.This method is to solve geological problem by the frequency dispersion rate of measuring secondary field.To measure the frequency dispersion rate of secondary field effectively, must solve the interference problem between high voltage supply lead and the measurement lead, improve the antijamming capability of instrument.We pass through the improvement of equipment circuit and the optimized choice of electronic component, the measuring accuracy and the antijamming capability of instrument have been improved, distributed electrode switch of developing and dual shield cable, overcome between line and disturbed, thereby make instrument can accurately measure faint secondary field, realize high density double frequency induced polarization measurement function.
The present invention compared with prior art has the following advantages:
1, volume and weight has dwindled greatly, adapts to site work under the various complex conditions, and open-air detection is motor-driven, flexible;
2, main frame is made up of Pentium industrial computer plate, big screen LCD, information acquisition system, electronic matrix switch, keyboard, hard disk, floppy disk and intelligent power supply system, is contained in the casing.With computing machine plate and the integrated design of collection mainboard, high speed acquisition, fast processing, demonstration in real time, network communication, visualized operation have been realized, it is integrated that field data collection, data processing, data interpretation, imaging are illustrated, and improved the accuracy of surveying effectively.
Description of drawings
Further specify the present invention below in conjunction with accompanying drawing.
Fig. 1 is the resistivity method fundamental diagram.
Fig. 2 is a principle of work block diagram of the present invention.
Fig. 3 is the catenation principle synoptic diagram of main frame of the present invention.
Fig. 4 is the electrode change-over switch electrical structure diagram
Fig. 5 is the composite cable structural representation.
Embodiment
It is made up of main frame, electrode, power supply and cable, it is characterized in that:
1, it also has the distributed electrode switch, it by the serial type cable with several switches bunchiness that is connected to each other, referring to Fig. 4,5, the composite cable among Fig. 5 is 9 cores, and A, B are the supply lines group, M, N are the slotted line group, electrode just, the 1st, the internal layer screen layer, 2 is outer screen layer, 3 is data communication twisted wire group, and 4 is switch supply lines group.For solving the reception and the automatic addressing problem of the command signal of sending, designed the interface circuit of a move instruction by instrument host.This circuit adopts serial output mode, principal computer will instruct does the serial variation by interface circuit, make level through output circuit again and promote back formation DATA data stream, CLOCK clock and ENABLE function, the SCI serial data stream is exported to each electrode switch.The characteristics of this interface circuit are to need not to judge each switch enclosure self number, only decide its position by putting in order, thereby have reached the purpose of automatic addressing.Simultaneously, distributed electrode switch electrical structure adopts the large scale integrated circuit technology, with the processing of paster encapsulation technology, makes the single switch volume be reduced to Φ 15 * 110mm.In addition, develop jamproof specific complex cable, as the serial type stube cable of distributed electrode.For solving mutually serious interference problem between the line that has high voltage supply line, slotted line, digital connection and power lead in the cable simultaneously, designed double layer screen in the line, wherein the AB supply lines adds the shielding of aluminium film, and whole cable is compiled the bare wire shielding for the aluminium film adds.Crust adopts the fine cl material of anti-aging poly-fourth, has very high insulativity.So, it is integrated to make that cable and electrode change-over switch form, and is again cable, is again switch, the weight and volume that significantly reduces;
2, said main frame select that internal memory is big, data processing fast the high-performance industrial computer as primary processor, and designed the control acquisition interface circuit that is associated with parallel port of computer, make computing machine export steering order to master control borad by parallel port, work by master control borad encoded control each several part, master control borad is sent into computing machine with the V, the I signal that collect by interface, carries out computing, processing, one-tenth figure by computing machine.
3, be the resistivity chromatogram that shows the electric structure in ground in real time, inversion imaging is an emphasis in this research, and we use RES2DINV high-density resistivity data inversion program, have solved this problem effectively.What its adopted is accurate Newton optimization (Loke and Barker1996) least square law technology, and the fast operation of the more conventional least square method of this technology is more than 10 times, and can adjust ratio of damping and level and smooth filter factor, to adapt to the needs of different models.
4, for adapting to the needs of the different detections of a target, improve the degree of accuracy and the resolution of surveying work, instrument has increased the high density double-frequency induced polarization method.This method is to solve geological problem by the frequency dispersion rate of measuring secondary field.To measure the frequency dispersion rate of secondary field effectively, must solve the interference problem between high voltage supply lead and the measurement lead, improve the antijamming capability of instrument.We pass through the improvement of equipment circuit and the optimized choice of electronic component, the measuring accuracy and the antijamming capability of instrument have been improved, distributed electrode switch of developing and dual shield cable, overcome between line and disturbed, thereby make instrument can accurately measure faint secondary field, realize high density double frequency induced polarization measurement function.
Claims (1)
1, fissure hole hole, a kind of shallow stratum detection instrument, it is made up of main frame, electrode, power supply and cable, it is characterized in that:
(1), it also has distributed electrode switch serial type cable, it by the serial type cable with several switches bunchiness that is connected to each other;
It has also designed the interface circuit of a move instruction, this circuit adopts serial output mode, principal computer will instruct does the serial variation by interface circuit, make level through output circuit again and promote back formation DATA data stream, CLOCK clock and ENABLE function, the SCI serial data stream is exported to each electrode switch;
Distributed electrode switch electrical structure adopts the large scale integrated circuit technology, with the processing of paster encapsulation technology, makes the single switch volume be reduced to Ф 15 * 110mm;
Jamproof specific complex cable is as the serial type stube cable of distributed electrode;
Designed double layer screen in online, wherein the AB supply lines adds the shielding of aluminium film, and whole cable is compiled the bare wire shielding for the aluminium film adds;
Crust adopts the fine cl material of anti-aging poly-fourth;
(2), said main frame selects industrial computer as primary processor, computing machine is integrated with the collection mainboard, and designed the control acquisition interface circuit that is associated with parallel port of computer, make computing machine export steering order to master control borad by parallel port, work by master control borad encoded control each several part, master control borad is sent into computing machine with the V, the I signal that collect by interface, carries out computing, processing, one-tenth figure by computing machine;
(3) adopt distributed electrode switch and dual shield cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100212340A CN1330979C (en) | 2004-04-06 | 2004-04-06 | Detector for shallow stratum fracture hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100212340A CN1330979C (en) | 2004-04-06 | 2004-04-06 | Detector for shallow stratum fracture hole |
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| CN1680828A CN1680828A (en) | 2005-10-12 |
| CN1330979C true CN1330979C (en) | 2007-08-08 |
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| CNB2004100212340A Expired - Fee Related CN1330979C (en) | 2004-04-06 | 2004-04-06 | Detector for shallow stratum fracture hole |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430719C (en) * | 2005-10-28 | 2008-11-05 | 中国石油大学(北京) | Rock micro-electric scanning imaging system and imaging method |
| CN102236106B (en) * | 2010-12-28 | 2014-03-26 | 中国地质大学（北京） | Method and device for measuring resistivity of underground medium on ground and in gallery in quasi-three-dimension mode |
| CN102768369B (en) * | 2012-06-05 | 2015-06-03 | 武汉长盛煤安科技有限公司 | Roadway drivage drilling induced polarization advance water probing forecasting method, device and probe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD149268A1 (en) * | 1980-02-26 | 1981-07-01 | Udo Winter | METHOD FOR DETERMINING ELECTRICALLY CONDUCTIVE LAYERS IN GESTESMASSIVEN |
| US4468623A (en) * | 1981-07-30 | 1984-08-28 | Schlumberger Technology Corporation | Method and apparatus using pad carrying electrodes for electrically investigating a borehole |
| WO1989003053A1 (en) * | 1987-09-28 | 1989-04-06 | United States Department Of Energy | Downhole pulse radar |
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2004
- 2004-04-06 CN CNB2004100212340A patent/CN1330979C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD149268A1 (en) * | 1980-02-26 | 1981-07-01 | Udo Winter | METHOD FOR DETERMINING ELECTRICALLY CONDUCTIVE LAYERS IN GESTESMASSIVEN |
| US4468623A (en) * | 1981-07-30 | 1984-08-28 | Schlumberger Technology Corporation | Method and apparatus using pad carrying electrodes for electrically investigating a borehole |
| WO1989003053A1 (en) * | 1987-09-28 | 1989-04-06 | United States Department Of Energy | Downhole pulse radar |
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