CN106353823A - Geophysical imaging method based on seismic exploration test device - Google Patents
Geophysical imaging method based on seismic exploration test device Download PDFInfo
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- CN106353823A CN106353823A CN201610658227.4A CN201610658227A CN106353823A CN 106353823 A CN106353823 A CN 106353823A CN 201610658227 A CN201610658227 A CN 201610658227A CN 106353823 A CN106353823 A CN 106353823A
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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
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Abstract
The invention relates to the technical field of geophysics, in particular to a geophysical imaging method based on a seismic exploration test device. The method comprises the following steps: positioning geophysical model, and after acquiring a positioning result, arranging two bottom side measuring lines which are orthogonal to each other on the bottom side of the geophysical model; arranging two vertical measuring lines which are parallel to each other at the position of an optional side of the geophysical model in the vertical direction, wherein a plane formed by the vertical measuring lines is parallel or perpendicular to the optional bottom side measuring line; and connecting the vertical measuring lines and the bottom side measuring lines to a master control circuit, then selecting two optional metal electrodes on the bottom side measuring lines or the vertical measuring lines as power supply electrodes, optionally selecting two other electrodes to be measured, and carrying out modeling explaining processing on acquired data through repeated measurement and acquisition by using a three-dimensional total-space resistivity inverse method to finish imaging.
Description
Technical field
The present invention relates to technical field of physical geography is and in particular to a kind of geophysics based on seismic prospecting assay device
Imaging method.
Background technology
Earth structure is complex, for convenience the mankind execute task it will usually by execution task be located physical arrangement
It is depicted as picture, use for reference.
The physical arrangement on continent top layer is visible, but, it is multiple that the earth also has ocean, iceberg, the molten pulp layer in the earth's core etc.
Structure, not all physical arrangement is all visible.But, execute task under human needs to various environment, in execution
If it is possible to more understand this earth environment before task, it will more excellent shadow is caused to the success rate of execution task
Ring.Need one kind at present before geophysical exploration, can accurately judge to apply any exploitation method, or any
Exploration device, is efficiently completed geophysical exploration the most；Meanwhile, to existing geophysical model construction device, each
If it is possible to if being imaged to this geophysical model after structure completes geophysical model, then can be more quick
Judge the accuracy that this geophysical model builds.
Content of the invention
The present invention provides a kind of geophysical imaging method based on seismic prospecting assay device, for composition earth thing
Reason model is imaged.
Technical scheme is specific as follows: a kind of geophysical imaging method based on seismic prospecting assay device,
Methods described comprises the steps:
A) geophysical model is positioned, after obtaining positioning result, in the setting of geophysical model bottom side mutually just
The two bottom side surveys line handed over；
B) at any limit side position of geophysical model, in the vertical direction sets two being parallel to each other and vertically surveys
Line；The plane that described vertical survey line is constituted is parallel or vertical with any one of bottom side survey line；
C) vertical survey line and bottom side survey line are connected on a total control circuit, subsequently select on bottom side survey line or vertical survey line
Metal electrode in any two as current electrode, optional two electrodes of other electrode measure, and measure through multiple
And collection, interpretation process is modeled to the market demand three-dimensional total space resistivity inversion methods of collection, completes to be imaged.
Further, described bottom side survey line is provided with multiple bottom-side metal electrodes；Logical between described bottom-side metal electrode
Cross survey line to be connected with each other；
And the cross point of described orthogonal bottom side survey line is at the geometric center of described geophysical model bottom side.
Further, described vertical survey line is arranged in a tubular pillar, in described tubular pillar towards geophysics mould
On type side, open up through hole, the described in the hole that runs through is provided with vertical metal electrode.
Further, described step a) and bottom-side metal electrode b) and vertical metal electrode are extension type electrode.
A kind of geophysical imaging system based on seismic prospecting assay device, this system described is used for realizing above-mentioned
Method, described imaging system is arranged on geophysical model, and described imaging system includes being arranged on geophysical model bottom side
Bottom side measurement assembly, be arranged on the vertical measurement assembly of geophysical model avris, connect bottom side measurement assembly and vertical survey
Measure the total control circuit of assembly and be arranged on bottom side measurement assembly, and the rotary flat of rotary power is provided to bottom side measurement assembly
Platform.
Further, described bottom side measurement assembly includes two mutually orthogonal bottom side surveys line, and described bottom side survey line includes
Multiple bottom-side metal electrodes；
Described vertical measurement assembly includes two vertical surveys line being parallel to each other, and described vertical survey line includes multiple vertical gold
Belong to electrode；
The plane that described vertical survey line is constituted is parallel or vertical with any one of bottom side survey line.
Further, described rotation platform includes base platform and multiple image checking of being fixed on base platform prop up
Frame unit, all described image checking carrier units are both connected on the base platform of bottom, and all described imaging inspections
It is connected with each other between the upper side surveying carrier unit,
Described bottom-side metal electrode, described bottom-side metal electrode are arranged on the loading side of described image checking carrier unit
The week side of boss is connected with the extension of described loading side.
Further, described image checking carrier unit include the first electric rotating machine, rotation housing, the second electric rotating machine,
Rotation center, the 3rd electric rotating machine, rotation inside casing, described rotation housing generally " u " shape, described " u " shape base side is even
Connect the first electric rotating machine, described first electric rotating machine provides the rotary power of horizontal direction, institute to the rotation housing of " u " shape structure
The both upper ends thereof stating " u " shape structure of rotation housing is provided with one or two the second electric rotating machine, and concrete set location is upper
On the mutually corresponding side in portion two ends, described second electric rotating machine connects described rotation center, and described rotation center is generally engraved
Empty rectangle, the Arbitrary Relative both sides of wherein rotation center are connected on described second electric rotating machine, and described second electric rotating machine carries
For rotating the rotary power around the second electric rotating machine setting direction for the center；
The other both sides of described rotation center are provided with one or two described 3rd electric rotating machine, described 3rd electric rotating
Rotation inside casing in rotation center engraved structure for the machine connect setting, described 3rd electric rotating machine provides rotation inside casing around the 3rd rotation
The rotary power of rotating motor setting direction, described bottom-side metal electrode is arranged on described rotation inside casing towards described geophysics mould
On the side of type.
The invention has the benefit that on intrinsic geophysical model testing equipment, setting imaging system, each
After structure completes geophysical model, this geophysical model can be imaged, more can quickly judge this
The accuracy that geophysical model builds, passes through three axle rotations simultaneously, and bottom-side metal electrode and ground can fully be tied by realization
Close, improve the accuracy of imaging.
Brief description
Fig. 1 is the system diagram of method proposed by the present invention；
Fig. 2 is that the image checking carrier unit of the present invention selects structural representation；
Fig. 3 is another example structure schematic diagram of the image checking carrier unit of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiies
Change, equivalent method and scheme.Further, in order that the public has a better understanding to the present invention, thin to the present invention below
In section description, detailed describe some specific detail sections.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
As shown in Figure 1, Figure 2 and Figure 3, wherein Fig. 1 illustrate that the present invention provides a kind of based on seismic prospecting assay device
The system schematic of geophysical imaging method, the method comprises the steps:
A) geophysical model 3 is positioned, after obtaining positioning result, on the platform carrying geophysical model 3
Plug multiple bottom-side metal electrodes 61, be connected with each other by survey line between wherein said bottom-side metal electrode 61；
It is specially and includes two orthogonal surveys line 6, described bottom-side metal electrode 61 is arranged on this two surveys line, and just
The cross point handing over survey line 6 is at the geometric center of described geophysical model bottom side；
B) at any limit side position of geophysical model, in the vertical direction sets two tubular pillars 7, described
Tubular pillar 7 is towards on geophysical model 3 side, and contacts with described geophysical model, opens up through hole, described passes through
Multiple vertical metal electrodes are set in perforation；
Pass through cable connection between described vertical metal electrode；
Described two tubular pillars 7 need parallel to each other, and the plane that constitutes of two described tubular pillars need with describedly
Any survey line 6 of ball physical model bottom side is parallel or vertical.
Above-mentioned steps a) and bottom-side metal electrode 61 b) and vertical metal electrode are extension type electrode, by stretching
Contracting formula electrode, be can achieve and preferably contacted with geophysical model and combine.
C) by the cable in survey line and the cable connection between vertical metal electrode one total control circuit, and described master control
It is provided with a control station, described control station realizes the applying of three-dimensional total space electric field, electrode conversion data collection in circuit processed
Deng effect；Subsequently select any two in bottom-side metal electrode 61 and vertical metal electrode as current electrode, other electrodes
Optional two electrodes measure, and measure and collection through multiple, entirely empty to the market demand three-dimensional of the prior art of collection
Between resistivity inversion methods be modeled interpretation process, ultimately form the high-resolution striograph of 3 D resistivity.
The present invention also provides a kind of seismic prospecting assay device, can provide multiple rotations to above-mentioned bottom-side metal electrode 61
The device of power, this device described includes base platform 1 and is fixed on the multiple image checking carrier units on base platform 1
2, all described image checking carrier units 2 are both connected on the base platform 1 of bottom, and all described image checking prop up
It is connected with each other between the upper side of frame unit 2, set constitutes an article carrying platform, article carrying platform is placed and is used for being tested
And the geophysical model building, the geophysical model of creation is placed on article carrying platform the present invention, by article carrying platform
The multiple image checking carrier units 2 having, and the bottom side of needs is arranged on the loading side of described image checking carrier unit 2
Metal electrode 61, and described bottom-side metal electrode 61 the week side of boss and described loading side extend and be connected, described survey line and cable pass through
It is arranged on image checking carrier unit 2, or constitute connection via image checking carrier unit 2 inside or bottom；
As shown in Fig. 2 bottom-side metal electrode 61 can be provided to realize in the image checking carrier unit 2 providing for the present invention
The structure of three-dimensional rotation, specially described image checking carrier unit 2 includes the first electric rotating machine 26, rotation housing 24, second
Electric rotating machine 25, rotation center 22, the 3rd electric rotating machine 23, rotation inside casing 21, described rotation housing 24 generally " u " shape,
Described " u " shape base side connects the first electric rotating machine 26, and the rotation housing 24 of " u " shape structure given by described first electric rotating machine 26
The rotary power of horizontal direction is provided, the both upper ends thereof of " u " shape structure of described rotation housing 24 be provided with one or two the
Two electric rotating machines 25, concrete set location is on the mutually corresponding side of both upper ends thereof, and described second electric rotating machine 25 connects institute
State rotation center 22, described rotation center 22 generally hollow out rectangle, the Arbitrary Relative both sides of wherein rotation center 22 are connected to
On described second electric rotating machine 25, described second electric rotating machine 25 provides rotation center 22 around the second electric rotating machine 25 setting direction
Rotary power；
The other both sides of described rotation center 22 are provided with one or two described 3rd electric rotating machine 23, described 3rd rotation
Rotation inside casing 21 in rotation center 22 engraved structure for rotating motor 23 connect setting, described 3rd electric rotating machine 23 provides rotation
, around the rotary power of the 3rd electric rotating machine 23 setting direction, in another embodiment, described rotation inside casing 21 is replaceable for inside casing 21
For platform structure.The present invention provides the image checking carrier unit 2 being capable of three-dimensional rotation to provide to bottom-side metal electrode 61
In the case that its axle center is constant, be capable of the rotation of multi-direction and angle so as to meet or more fully with geophysics
The ground of model combines.
As shown in figure 3, an example structure schematic diagram of the image checking carrier unit 2 providing for the present invention, at this
In bright the provided structure being capable of three-dimensional rotation, electrode fixed pan 27, described electrode fixed pan 27 upper side are set
Setting bottom-side metal electrode 61, the downside of described electrode fixed pan 27 is fixedly installed on rotation inside casing by supporting construction 28
On 21 one side, described supporting construction 28 includes support shaft arranged in a crossed manner, by the support shaft of the setting that intersects, realizes
Support to electrode fixed pan 27, realizes disclosure satisfy that the rotating range that rotation inside casing 21 is bigger, because in rotation simultaneously
During frame 21 rotation, the structure on rotation inside casing 21 will limit the rotating range of rotation inside casing 21.
Spool 29 is shunk in the avris setting of described electrode fixed pan 27, and described contraction spool 29 is provided with lattice block cloth
210, the contraction spool 29 mutually closing on two electrode fixed pans 27 of arbitrary neighborhood is connected with each other by lattice block cloth 210,
Adjust geophysical model when, need whole image checking carrier unit 2 is risen, declines or rotated, lifting operations, under
When fall operation or rotation process, the ground in model is avoided to run off by lattice block cloth 210.
The bottom of described first electric rotating machine 26 is provided with fixed station 4, and described fixed station 4 is in contrast to the first electric rotating machine 26
Side there is a cavity, connect one in described cavity and can achieve flexible telescoping mechanism 5, the bottom of described telescoping mechanism 5 is solid
Be scheduled on base platform 1, described telescoping mechanism 5 may be provided in as on detection carrier unit 2 vertical direction position adjustment dynamic
Power.
Described electrode fixed pan 27 vibrates servomotor, servomotor start in contrast to being additionally provided with loading side
Device；Described vibration servomotor output shaft with order to by rotational transform be linear motion servomotor actuator input shaft
Connect, the output shaft of described servomotor actuator connects with piston rod, and the direction of motion of described piston rod and image checking prop up
The axial direction of frame unit 2 is antiparallel consistent, and the front end installation loading-unit drive connection seat of described piston rod and prestressing force are continuously
Gap bindiny mechanism, the upper end of described loading-unit drive connection seat is fixedly connected with loading-unit, and described prestressing force gapless is even
Connection mechanism includes attaching nut, tightening cushion and pre-load nut, and the lower end of described loading-unit drive connection seat is sleeved on described
On the thread segment of piston rod, the piston rod of opposite side of described loading-unit drive connection seat is set with tightening cushion and pre- successively
Jack panel, is provided with gap between described tightening cushion and pre-load nut, a circle of described pre-load nut has at least three pretensions
Screwed hole, pre-loading screw contacts on described tightening cushion through described pretension screwed hole；On the downside of electrode fixed pan 27
The vibrating mechanism in face, originally peddles that and also can achieve low frequency, simulate seismic wave, structure simplifies, reduces cost simultaneously can be effective
With electrode fixed pan 27 perfect adaptation with three axle spinfunctions, realize more direction shock wave, can simulate
More earthquake conditions.
The said structure that the present invention provides, multiple image checking carrier units 2 is spliced together, and multiple electrodes is fixed
Plane 27 constitutes an article carrying platform, carries out building Utopian geophysics modeling, the present invention provides on this article carrying platform
Image checking carrier unit 2 can respectively the bottom-side metal electrode 61 on each cell be adjusted, reach most preferably
Ground combine, and improve detection accuracy.
The automation equipment for geophysical seismic prospecting test of the present invention, this automation equipment also include described in
Heart control device, described central controller connects the first electric rotating machine, the second electric rotating by wired or wireless connected mode
Machine, the 3rd electric rotating machine, the power motor of telescoping mechanism, vibration servomotor and servomotor actuator.
Claims (8)
1. a kind of geophysical imaging method based on seismic prospecting assay device it is characterised in that methods described include as follows
Step:
A) geophysical model is positioned, after obtaining positioning result, arrange in geophysical model bottom side mutually orthogonal
Two bottom side surveys line；
B) at any limit side position of geophysical model, two vertical surveys line that in the vertical direction setting is parallel to each other；
The plane that described vertical survey line is constituted is parallel or vertical with any one of bottom side survey line；
C) vertical survey line and bottom side survey line are connected on a total control circuit, subsequently select the gold on bottom side survey line or vertical survey line
Belong to any two in electrode as current electrode, optional two electrodes of other electrode measure, through repeatedly measuring and adopting
The market demand three-dimensional total space resistivity inversion methods of collection are modeled interpretation process, complete to be imaged by collection.
2. a kind of geophysical imaging method based on seismic prospecting assay device according to claim 1, its feature exists
In multiple bottom-side metal electrodes are provided with the survey line of described bottom side；It is connected with each other by survey line between described bottom-side metal electrode；
And the cross point of described orthogonal bottom side survey line is at the geometric center of described geophysical model bottom side.
3. a kind of geophysical imaging method based on seismic prospecting assay device according to claim 2, its feature exists
In described vertical survey line is arranged in a tubular pillar, on described tubular pillar is towards geophysical model side, opens up and passes through
Perforation, the described in the hole that runs through is provided with vertical metal electrode.
4. a kind of geophysical imaging method based on seismic prospecting assay device according to claim 3, its feature exists
In described step a) and bottom-side metal electrode b) and vertical metal electrode are extension type electrode.
5. a kind of geophysical imaging system based on seismic prospecting assay device, this system described is used for realizing aforesaid right
Require the method described in one of 1-4, described imaging system is arranged on geophysical model it is characterised in that described imaging is
System includes being arranged on the bottom side measurement assembly of geophysical model bottom side, being arranged on the vertical measurement group of geophysical model avris
Part, connect the total control circuit of bottom side measurement assembly and vertical measurement assembly and be arranged on bottom side measurement assembly, and survey to bottom side
Amount assembly provides the rotation platform of rotary power.
6. a kind of geophysical imaging system based on seismic prospecting assay device according to claim 5, its feature exists
In described bottom side measurement assembly includes two mutually orthogonal bottom side surveys line, and described bottom side survey line includes multiple bottom-side metal electricity
Pole；
Described vertical measurement assembly includes two vertical surveys line being parallel to each other, and described vertical survey line includes multiple vertical metal electricity
Pole；
The plane that described vertical survey line is constituted is parallel or vertical with any one of bottom side survey line.
7. a kind of geophysical imaging system based on seismic prospecting assay device according to claim 6, its feature exists
Include base platform in, described rotation platform and be fixed on multiple image checking carrier units on base platform, all described
Image checking carrier unit be both connected on the base platform of bottom, and the upside of all described image checking carrier units
It is connected with each other between face,
Described bottom-side metal electrode, described bottom-side metal electrode the week side of boss are arranged on the loading side of described image checking carrier unit
Extend with described loading side and be connected.
8. a kind of geophysical imaging system based on seismic prospecting assay device according to claim 7, its feature exists
In described image checking carrier unit includes the first electric rotating machine, rotation housing, the second electric rotating machine, rotation center, the 3rd rotation
Rotating motor, rotation inside casing, described rotation housing generally " u " shape, described " u " shape base side connects the first electric rotating machine,
Described first electric rotating machine provides the rotary power of horizontal direction, " u " of described rotation housing to the rotation housing of " u " shape structure
The both upper ends thereof of shape structure is provided with one or two the second electric rotating machine, and concrete set location is that both upper ends thereof is mutually corresponding
On side, described second electric rotating machine connects described rotation center, and described rotation center generally hollow out rectangle, in wherein rotating
The Arbitrary Relative both sides of frame are connected on described second electric rotating machine, and described second electric rotating machine provides rotation center around the second rotation
The rotary power of rotating motor setting direction；
The other both sides of described rotation center are provided with one or two described 3rd electric rotating machine, and described 3rd electric rotating machine is even
Connect the rotation inside casing being arranged in rotation center engraved structure, described 3rd electric rotating machine provides rotation inside casing around the 3rd electric rotating
The rotary power of machine setting direction, described bottom-side metal electrode is arranged on described rotation inside casing towards described geophysical model
On side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610658227.4A CN106353823B (en) | 2016-08-12 | 2016-08-12 | A kind of geophysical imaging method based on seismic prospecting experimental rig |
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| CN201610658227.4A CN106353823B (en) | 2016-08-12 | 2016-08-12 | A kind of geophysical imaging method based on seismic prospecting experimental rig |
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| CN106353823A true CN106353823A (en) | 2017-01-25 |
| CN106353823B CN106353823B (en) | 2018-06-08 |
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