CN109884720A - Determine the ground well three-dimensional combination frequency electromagnetic exploration apparatus and method of watery - Google Patents
Determine the ground well three-dimensional combination frequency electromagnetic exploration apparatus and method of watery Download PDFInfo
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- CN109884720A CN109884720A CN201910218860.5A CN201910218860A CN109884720A CN 109884720 A CN109884720 A CN 109884720A CN 201910218860 A CN201910218860 A CN 201910218860A CN 109884720 A CN109884720 A CN 109884720A
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Abstract
The invention discloses a kind of ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery, it includes live host, probe and combination frequency electromagnetic signal emitter, probe includes 3 D electromagnetic field sensor, electromagnetic signal receiving module, single-chip microcontroller and three-dimensional electronic compass, the orifice area of drilling to be measured is arranged in combination frequency electromagnetic signal emitter, live host includes central processing unit, system bus and combination frequency electromagnetic signal drive module, the combination frequency electromagnetic signal control instruction communication ends of central processing unit connect combination frequency electromagnetic signal drive module by system bus, the signal output end of combination frequency electromagnetic signal drive module is connect with the signal input part of combination frequency electromagnetic signal emitter；The present invention utilizes ground launch combination frequency electromagnetic field, the method that drilling receives composite electromagnetic field, it is possible to prevente effectively from the influence of various electromagnetic interferences and low-resistance and high resistant coating existing for earth's surface, makes that signal quality is higher, penetration depth is bigger.
Description
Technical field
The present invention relates to the geophysical probing technique fields of hydrogeological engineering, in particular to a kind of determining watery
Ground well three-dimensional combination frequency electromagnetic exploration apparatus and method.
Background technique
Hydrogeological engineering resource investigation and the common means of detection are bore detecting (referred to as " probing ") and geophysics
Detection (referred to as " physical prospecting ").Since drilling method is at high cost, time-consuming, and results of drilling is a peephole view, detects range extremely
It is limited, therefore be difficult to meet the needs of actual production only with probing means.And physical prospecting because it is at low cost, quick, detect range it is big, away from
From it is remote the advantages that, although type is more, as the methods of DC electrical method, induced polarization method, electromagnetic method technology ground physical prospecting visit water
In be used widely；But its current working space is mainly ground, when earth's surface has thicker low-resistance coating or electromagnetic interference
When larger, ground launch, the operating mode of observation are usually poor to the Effect on Detecting of deep objective body.
The working space of physical prospecting can be aerial, ground and underground.In general, in well the detection accuracy of physical prospecting it is higher,
Investigation depth is relatively large.This is because the liftoff lower objective body of receiving point is closer, extremely by other stratum as caused by objective body
Influence it is smaller thus more obvious；And receiving point is located underground, effectively prevent various electromagnetic interferences existing for earth's surface and
The influence of low-resistance coating, makes that signal quality is higher, penetration depth is bigger.Therefore, the ground well physical prospecting of ground launch, areal receiver-array
Device can play an important role in the solution blind watery field of detecting in deep.
In recent years as constantly the pouring in of external various geophysical prospecting equipment equipment, theoretical research gradually mature, in watery
Physical prospecting detection in terms of resource detection is increasingly by domestic attention；But the ground well geophysical prospecting method in China just starts, from
On the whole, the research for ground well geophysical prospecting method and level of application and range are still very limited.
Bibliography: " electromagnetic depth method principle " nineteen ninety, Geology Publishing House, Piao Huarong write；" time domain electromagnetic method is former
Reason " Central South University published 2007 years, and Niu Zhilian writes；" double-frequency induced polarization method " 2006, Higher Education Publishing House, He Jishan；In
Jing Yu, Mine transient electromagnetic theory and the Xuzhou technical research [D]: China Mining University, 2001；Tan Daiming, the full sky in underground ask wink
The research [J] of power transformation magnetic response, physical prospecting and change are visited, 2009,33 (4): 436-439.
Summary of the invention
Present invention aim to provide a kind of ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery and
Method, the present invention utilize ground launch combination frequency electromagnetic field, and the method that (drilling) receives composite electromagnetic field in well can be effective
The influence for avoiding various electromagnetic interferences and low-resistance and high resistant coating existing for earth's surface, make signal quality is higher, penetration depth more
Greatly.
In order to achieve this, a kind of ground well three-dimensional combination frequency electromagnetic surveying dress of determining watery designed by the present invention
It sets, it is characterised in that: it includes live host, probe and combination frequency electromagnetic signal emitter, and probe includes 3 D electromagnetic field
Sensor, electromagnetic signal receiving module, single-chip microcontroller and three-dimensional electronic compass, combination frequency electromagnetic signal emitter are arranged to be measured
The orifice area of drilling, live host include central processing unit, system bus and combination frequency electromagnetic signal drive module, center
The combination frequency electromagnetic signal control instruction communication ends of processor connect combination frequency electromagnetic signal by system bus and drive mould
Block, the signal output end of combination frequency electromagnetic signal drive module and the signal input part of combination frequency electromagnetic signal emitter connect
It connects；
The signal input part of the signal output end connection electromagnetic signal receiving module of 3 D electromagnetic field sensor, electromagnetic signal
The electromagnetic signal input terminal of the signal output end connection single-chip microcontroller of receiving module, the communication ends of three-dimensional electronic compass connect single-chip microcontroller
Compass signal communication ends, single-chip microcontroller host data communication ends connection central processing unit single-chip data communication ends；
The combination frequency electromagnetic signal emitter be used under the control of combination frequency electromagnetic signal drive module to
Drilling to be measured emits combination frequency electromagnetic signal；The 3 D electromagnetic field sensor of probe is for receiving in combination frequency electromagnetic signal
Swashed with each corresponding electromagnetism direct signal of coordinate points of drilling to be measured and drilling surrounding rock body to be measured by combination frequency electromagnetism
The three-dimensional secondary field electromagnetic signal corresponding with each coordinate points of drilling to be measured encouraged, three-dimensional electronic compass for inductive probe to
Survey the track data in drilling；
Electromagnetism direct signal corresponding with each coordinate points of drilling to be measured that the single-chip microcontroller is used to receive, with it is to be measured
The corresponding three-dimensional secondary field electromagnetic signal of each coordinate points that drill carries out analog-to-digital conversion process, obtains and each coordinate of drilling to be measured
The through digital signal of the corresponding 3 D electromagnetic of point, three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured are believed
Number；
The central processing unit 1.1 is for believing three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured
Number except obtaining surveying each coordinate points of drilling in above-mentioned 3 D electromagnetic corresponding with each coordinate points of drilling to be measured digital signal of going directly
3 D electromagnetic field field strength data, then the 3 D electromagnetic field field strength data for surveying each coordinate points of drilling are imaged and are surveyed
Drill 3 D electromagnetic field image；
Track of the inductive probe that the central processing unit is also used to be obtained according to three-dimensional electronic compass in drilling to be measured
Data draw out drilling track graph；
The central processing unit is used to handle survey drilling 3 D electromagnetic field image, finds out and waits for the presence or absence of some
The 3 D electromagnetic field field strength for surveying borehole coordinate point is greater than three times of the entirely 3 D electromagnetic field field strength of all coordinate points of drilling to be measured
Mean square deviation finds out specific rich water in drilling if it is present the borehole coordinate point to be measured match with drilling track graph
Property position.
A kind of three-dimensional combination frequency electromagnetic exploration method using upper device, which is characterized in that it includes the following steps:
Step 1: multiple combination frequency electromagnetic signal emitters being arranged in the orifice area of drilling to be measured, probe is arranged
It is promoted from drilling orifice to be measured to bottom hole along each coordinate points step-by-step movement in the aperture of drilling to be measured, and by probe；
Step 2: central processing unit controls combination frequency electromagnetic signal drive module and passes through combination frequency electromagnetic signal emitting
Device emits combination frequency electromagnetic signal in drilling to be measured；
Step 3: the 3 D electromagnetic field sensor of probe each coordinate points receive combination frequency electromagnetic signal in to
Survey drill the corresponding electromagnetism direct signal of each coordinate points and drilling surrounding rock body to be measured by combination frequency electromagnetic excitation with
The corresponding three-dimensional secondary field electromagnetic signal of each coordinate points of drilling to be measured, three-dimensional electronic compass inductive probe is in drilling to be measured
Track data；
Step 4: the central processing unit believes three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured
Number except obtaining surveying each coordinate points of drilling in above-mentioned 3 D electromagnetic corresponding with each coordinate points of drilling to be measured digital signal of going directly
3 D electromagnetic field field strength data, then the 3 D electromagnetic field field strength data for surveying each coordinate points of drilling are imaged and are surveyed
Drill 3 D electromagnetic field image；
Track data of the inductive probe that the central processing unit is obtained also according to three-dimensional electronic compass in drilling to be measured
Draw out drilling track graph；
Step 5: the central processing unit is handled drilling 3 D electromagnetic field image is surveyed, and is found out with the presence or absence of some
The 3 D electromagnetic field field strength of borehole coordinate point to be measured is greater than the three of the 3 D electromagnetic field field strength of entire all coordinate points of drilling to be measured
Times mean square deviation, if it is present the borehole coordinate point to be measured with drilling track graph match find out it is specific rich in drilling
Aqueous position.
Compared to existing detecting devices and method, beneficial effects of the present invention are mainly manifested in:
(1) present invention is used, overcoming probing is often " a peephole view ", it is difficult to the feelings of judgement drilling surrounding and bottom hole
Condition problem.High and low resistance body distribution around drilling can be detected by ground-well three-dimensional combination frequency electromagnetic surveying equipment and technology,
To distinguish drilling surrounding rock body lithology, borehole circumference geological condition is grasped, drilling utilization rate is improved.
(2) using the present invention, the combination frequency electromagnetic surveying of ground-well three-dimensional is realized, detection information amount is more, while drilling again
The interference effects such as surface em, earth's surface rivers, landforms, building are inside avoided, the identification and processing capacity of small-signal are improved, this
Sample can ensure that detection result is accurate and reliable, to instruct water source exploration to provide more scientific foundation.
Device and method through the invention can effectively be visited to progress is fine around drilling and in a certain range of bottom hole
It surveys, the watery around drilling and within the scope of bottom hole 0~several hundred meters can be detected, be that probing and physical prospecting organically combine, in this way
Not only the detection accuracy of physical prospecting can be improved but also the drilling hole amount of probing can be reduced, accomplished the accurate detection of watery.
Detailed description of the invention
Fig. 1 is use state diagram of the invention；
Fig. 2 is the structural block diagram popped one's head in the present invention；
Fig. 3 is the structural block diagram of live host machine part in the present invention；
Fig. 4 is the structural schematic diagram of combination frequency Electromagnetic Launching coil in the present invention；
Fig. 5 is the structural schematic diagram of 3 D electromagnetic sensor in the present invention.
Wherein, 1-live host, 1.1-central processing units, 1.2-second memories, 1.3-human-computer interaction devices,
1.4-batteries, 1.5-system bus, the 1.6-the second optical cable mouth, 1.7-combination frequency electromagnetic signal drive modules, 2-are visited
Head, 2.1-3 D electromagnetic field sensors, 2.2-electromagnetic signal receiving modules, 2.3-single-chip microcontrollers, the 2.4-the first optical cable mouth,
2.5-first memories, 2.6-three-dimensional electronic compass, 2.1.1-X-axis emf sensor, 2.1.2-Y-axis magnetic field sensing
Device, 2.1.3-Z axis magnetic field sensor, 3-fiber optic cables, 4-combination frequency electromagnetic signal emitters, 4.1-cables, 5-hairs
Penetrate connecting cable, 6-it is to be measured drilling, 7-the earth.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery, feature as shown in Fig. 1~5 exist
In: it includes live host 1, probe 2 and combination frequency electromagnetic signal emitter 4, and probe 2 includes 3 D electromagnetic field sensor
2.1, drilling 6 to be measured is arranged in electromagnetic signal receiving module 2.2, single-chip microcontroller 2.3 and three-dimensional electronic compass 2.6, live host 1
The orifice area of drilling 6 to be measured is arranged in greatly 7 scene, combination frequency electromagnetic signal emitter 4, during live host 1 includes
Central processor 1.1, system bus 1.5 and combination frequency electromagnetic signal drive module 1.7, the combination frequency of central processing unit 1.1
Electromagnetic signal control instruction communication ends connect combination frequency electromagnetic signal drive module 1.7, combination frequency by system bus 1.5
The signal output end of electromagnetic signal drive module 1.7 is connect with the signal input part of combination frequency electromagnetic signal emitter 4；
The signal input part of the signal output end connection electromagnetic signal receiving module 2.2 of 3 D electromagnetic field sensor 2.1, electricity
The electromagnetic signal input terminal of the signal output end connection single-chip microcontroller 2.3 of magnetic signal receiving module 2.2, three-dimensional electronic compass 2.6
Communication ends connect the compass signal communication ends of single-chip microcontroller 2.3, and the host data communication ends of single-chip microcontroller 2.3 connect central processing unit
1.1 single-chip data communication ends；
The combination frequency electromagnetic signal emitter 4 is used under the control of combination frequency electromagnetic signal drive module 1.7
To in 6 transmitting combination frequency electromagnetic signal of drilling to be measured；The 3 D electromagnetic field sensor 2.1 of probe 2 is for receiving combination frequency
Being answered with each corresponding electromagnetism direct signal of coordinate points of drilling to be measured and 6 surrounding rock bodies of drilling to be measured in electromagnetic signal
The three-dimensional secondary field electromagnetic signal corresponding with each coordinate points of drilling to be measured of sum of fundamental frequencies rate electromagnetic excitation, three-dimensional electronic compass 2.6
For track data of the inductive probe 2 in drilling 6 to be measured；
Electromagnetism direct signal corresponding with each coordinate points of drilling to be measured that the single-chip microcontroller 2.3 is used to receive, with
The corresponding three-dimensional secondary field electromagnetic signal of each coordinate points of drilling to be measured carries out analog-to-digital conversion process, obtains each with drilling to be measured
The corresponding 3 D electromagnetic of coordinate points goes directly digital signal, three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured
Signal；
The central processing unit 1.1 is for believing three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured
Number except obtaining surveying each coordinate points of drilling in above-mentioned 3 D electromagnetic corresponding with each coordinate points of drilling to be measured digital signal of going directly
3 D electromagnetic field field strength data, then the 3 D electromagnetic field field strength data for surveying each coordinate points of drilling are imaged and are surveyed
Drill 3 D electromagnetic field image；
The inductive probe 2 that the central processing unit 1.1 is also used to be obtained according to three-dimensional electronic compass 2.6 is in drilling 6 to be measured
Interior track data draws out drilling track graph；
The central processing unit 1.1 is used to handle survey drilling 3 D electromagnetic field image, finds out with the presence or absence of certain
The 3 D electromagnetic field field strength of a borehole coordinate point to be measured is greater than the 3 D electromagnetic field field strength of entire all coordinate points of drilling to be measured
Three times mean square deviation is found out in drilling specifically if it is present the borehole coordinate point to be measured match with drilling track graph
Watery position.
In above-mentioned technical proposal, drilling orifice has known three-dimensional coordinate (x, y, z), can measure drilling with boring instrument
Every coordinate position, the electromagnetic signal of detection is with the geology for being dot into the certain radius of drilling perimeter detection that drills
Situation, in this way, the starting point (zero point) of detection is exactly coordinate of the drilling at this.It (is equivalent to detection result to project to drill and be
In the coordinate diagram of the heart)
Track sensor is measuring angle, can calculate the variation between measuring point and measuring point according to the distance between measuring point
Coordinate, then using the coordinate in aperture as origin, so that it may it obtains the coordinate data entirely to drill, drilling rail is drawn according to coordinate data
Mark figure.
In above-mentioned technical proposal, probe 2 further includes first memory 2.5, and the communication ends of first memory 2.5 connect monolithic
The data storage end of machine 2.3, first memory 2.5 is for the through digital signal of 3 D electromagnetic and three-dimensional secondary field electromagnetic digital letter
Number.
In above-mentioned technical proposal, the host data communication ends of single-chip microcontroller 2.3 pass sequentially through the first optical cable mouth 2.4, optical fiber electricity
Cable 3, the second optical cable mouth 1.6 of live host 1 and system bus 1.5 connect the single-chip data communication ends of central processing unit 1.1；
The each equipment power supply into live host 1 respectively of battery 1.4.
In above-mentioned technical proposal, the emitted connection of signal output end of the combination frequency electromagnetic signal drive module 1.7
Cable 5 is connect with the signal input part of combination frequency electromagnetic signal emitter 4.
In above-mentioned technical proposal, the combination frequency electromagnetic signal is compound by the electromagnetic signal of two or more frequency
Into (one pseudo-random signal of synthesis), dimension emf sensor 2.1 measures various frequency electromagnetic field signals simultaneously.It in this way can be with
It improves observed efficiency and reduces background interference.
In above-mentioned technical proposal, the scene host 1 further includes second memory 1.2 and human-computer interaction device 1.3, and second
Memory 1.2 and the equal access system bus 1.5 of human-computer interaction device 1.3, above-mentioned human-computer interaction device 1.3 include touch screen, show
Display screen, USB interface and photoelectricity knob, second memory 1.2 are used to store the survey drilling 3 D electromagnetic of the generation of central processing unit 1.1
Field image and drilling track graph.
In above-mentioned technical proposal, the shell of the probe 2 is sealed by the non-metallic pipe of 38~45mm of diameter with nonmetallic materials
Stifled molding (metal material can have additional magnetic field, have an impact to three-dimensional Magnetic Sensor, while metal material is because of conductive factor,
It also has an impact factor to electric field), the three of the three-dimensional of the 3 D electromagnetic field sensor 2.1 and three-dimensional electronic compass 2.6
It is consistent to tie up direction.
In above-mentioned technical proposal, the 3 D electromagnetic field sensor 2.1 is by X-axis emf sensor 2.1.1, Y-axis magnetic field
Sensor 2.1.2, Z axis magnetic field sensor 2.1.3 composition are respectively used to receive compass heading (X to), vertically hang down with compass heading
Electromagnetic field signal of the histogram to (Y-direction) and with three directions in compass heading horizontal vertical direction (Z-direction).
In above-mentioned technical proposal, the combination frequency electromagnetic signal emitter 4 by multiturn cable 4.1 be wrapped in box body or
It is constituted in circle framework, wherein the side length of box body is 10~1000 meters, and the diameter of circle shape is 3~500 meters.
A kind of three-dimensional combination frequency electromagnetic exploration method using above-mentioned apparatus, it includes the following steps:
Step 1: multiple combination frequency electromagnetic signal emitters 4 are arranged in the orifice area (drilling to be measured of drilling 6 to be measured
6 apertures can be in Electromagnetic Launching coil 4, can also be outside Electromagnetic Launching coil 4), drilling 6 to be measured is arranged in probe 2
Aperture, and from 6 apertures of drilling to be measured to bottom hole, along each coordinate points step-by-step movement, (i.e. each coordinate points are paused predetermined by probe 2
Design) it promotes；
Step 2: central processing unit 1.1 controls combination frequency electromagnetic signal drive module 1.7 to be believed by combination frequency electromagnetism
Number transmitter 4 is in 6 transmitting combination frequency electromagnetic signals of drilling to be measured；
Step 3: pop one's head in 23 D electromagnetic field sensor 2.1 each coordinate points receive combination frequency electromagnetic signal in
Swashed with each corresponding electromagnetism direct signal of coordinate points of drilling to be measured and 6 surrounding rock bodies of drilling to be measured by combination frequency electromagnetism
The three-dimensional secondary field electromagnetic signal corresponding with each coordinate points of drilling to be measured encouraged, 2.6 inductive probe 2 of three-dimensional electronic compass to
Survey the track data in drilling 6；
Step 4: the central processing unit 1.1 will three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured
Signal is removed to be obtained surveying each coordinate that drills in the above-mentioned through digital signal of 3 D electromagnetic corresponding with each coordinate points of drilling to be measured
Then the 3 D electromagnetic field field strength data of point are imaged to obtain to the 3 D electromagnetic field field strength data for surveying each coordinate points that drill
Survey drilling 3 D electromagnetic field image；
The inductive probe 2 that the central processing unit 1.1 is obtained also according to three-dimensional electronic compass 2.6 is in drilling 6 to be measured
Track data draws out drilling track graph；
Step 5: 1.1 pairs of survey drilling 3 D electromagnetic field images of the central processing unit are handled, and finding out whether there is
The 3 D electromagnetic field field strength of some borehole coordinate point to be measured is greater than the 3 D electromagnetic field field strength of entire all coordinate points of drilling to be measured
Three times mean square deviation, if it is present the borehole coordinate point to be measured with drilling track graph match find out it is specific in drilling
Watery position (resistance of watery is lower, and post non of low resistance body can generate biggish electromagnetic field signal, using three-dimensional magnetic field size and
Direction (positive and negative) value decision analysis watery realizes three-dimensional orientation in which of 6 said three-dimensional bodies of drilling to be measured direction).
In the step 4 of above-mentioned technical proposal, the central processing unit 1.1 will be with each coordinate points corresponding three of drilling to be measured
Dimension secondary field electromagnetic digital signal is removed to be obtained in the above-mentioned through digital signal of 3 D electromagnetic corresponding with each coordinate points of drilling to be measured
To the concrete mode for the 3 D electromagnetic field field strength data for surveying each coordinate points that drill are as follows:
Wherein, MkijFor the magnetic field signal of the certain point of a direction of the secondary magnetic field of the normalizing of calculating, that is, it is each to survey drilling
The 3 D electromagnetic field field strength of a coordinate points；
M0kijFor the magnetic field signal of the certain point of a direction of the through Primary field of detection, i.e., drilling to be measured is each
The corresponding 3 D electromagnetic of coordinate points goes directly digital signal；
M1kijFor the magnetic field signal of the certain point of a direction for the secondary magnetic field of detection motivated, i.e., with drilling to be measured
The corresponding three-dimensional secondary field electromagnetic digital signal of each coordinate points；
K -1,2 ... ... (combination frequency transmitting is one synthesized by multi-frequency to a certain frequency of n combination frequency
A signal, when reception need to the signal response to every kind of frequency extract measurement.)
I-x, y, z direction
J -1,2,3 ... ... n measuring point number.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery, it is characterised in that: it includes live host
(1), probe (2) and combination frequency electromagnetic signal emitter (4), probe (2) includes 3 D electromagnetic field sensor (2.1), electromagnetism
Signal receiving module (2.2), single-chip microcontroller (2.3) and three-dimensional electronic compass (2.6), combination frequency electromagnetic signal emitter (4) are set
The orifice area in drilling (6) to be measured is set, live host (1) includes central processing unit (1.1), system bus (1.5) and compound
The combination frequency electromagnetic signal control instruction communication ends of frequency electromagnetic signal drive module (1.7), central processing unit (1.1) pass through
System bus (1.5) connects combination frequency electromagnetic signal drive module (1.7), combination frequency electromagnetic signal drive module (1.7)
Signal output end connect with the signal input part of combination frequency electromagnetic signal emitter (4)；
The signal input part of signal output end connection electromagnetic signal receiving module (2.2) of 3 D electromagnetic field sensor (2.1), electricity
The electromagnetic signal input terminal of signal output end connection single-chip microcontroller (2.3) of magnetic signal receiving module (2.2), three-dimensional electronic compass
(2.6) the compass signal communication ends of communication ends connection single-chip microcontroller (2.3), the host data communication ends connection of single-chip microcontroller (2.3)
The single-chip data communication ends of central processing unit (1.1)；
The combination frequency electromagnetic signal emitter (4) is used under the control of combination frequency electromagnetic signal drive module (1.7)
Emit combination frequency electromagnetic signal in drilling (6) to be measured；The 3 D electromagnetic field sensor (2.1) of probe (2) is multiple for receiving
Close in frequency electromagnetic signal with each corresponding electromagnetism direct signal of coordinate points of drilling to be measured and drilling (6) to be measured around
Rock mass is by the three-dimensional secondary field electromagnetic signal corresponding with each coordinate points of drilling to be measured of combination frequency electromagnetic excitation, three-dimensional electronic
Track data of the compass (2.6) for inductive probe (2) in drilling (6) to be measured；
Electromagnetism direct signal corresponding with each coordinate points of drilling to be measured that the single-chip microcontroller (2.3) is used to receive, with to
It surveys the corresponding three-dimensional secondary field electromagnetic signal of each coordinate points that drill and carries out analog-to-digital conversion process, obtain and each seat of drilling to be measured
Go directly digital signal, three-dimensional secondary field electromagnetic digital corresponding with each coordinate points of drilling to be measured of the corresponding 3 D electromagnetic of punctuate is believed
Number；
The central processing unit (1.1) is used for will three-dimensional secondary field electromagnetic digital signal corresponding with each coordinate points of drilling to be measured
Except obtaining surveying each coordinate points that drill in above-mentioned 3 D electromagnetic corresponding with each coordinate points of drilling to be measured digital signal of going directly
Then 3 D electromagnetic field field strength data are imaged the 3 D electromagnetic field field strength data for surveying each coordinate points that drill to obtain survey brill
Hole 3 D electromagnetic field image；
The inductive probe (2) that the central processing unit (1.1) is also used to be obtained according to three-dimensional electronic compass (2.6) is in drilling to be measured
(6) track data in draws out drilling track graph；
The central processing unit (1.1) is used to handle survey drilling 3 D electromagnetic field image, finds out with the presence or absence of some
The 3 D electromagnetic field field strength of borehole coordinate point to be measured is greater than the three of the 3 D electromagnetic field field strength of entire all coordinate points of drilling to be measured
Times mean square deviation, if it is present the borehole coordinate point to be measured with drilling track graph match find out it is specific rich in drilling
Aqueous position.
2. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
Probe (2) further includes first memory (2.5), the data storage of communication ends connection single-chip microcontroller (2.3) of first memory (2.5)
End, first memory (2.5) is for the through digital signal of 3 D electromagnetic and three-dimensional secondary field electromagnetic digital signal.
3. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The host data communication ends of single-chip microcontroller (2.3) pass sequentially through the first optical cable mouth (2.4), fiber optic cables (3), live host (1)
Second optical cable mouth (1.6) and the single-chip data communication ends of system bus (1.5) connection central processing unit (1.1).
4. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The emitted connecting cable of signal output end (5) and combination frequency electromagnetism of the combination frequency electromagnetic signal drive module (1.7)
The signal input part of signal projector (4) connects.
5. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The combination frequency electromagnetic signal is combined by the electromagnetic signal of two or more frequency, ties up emf sensor
(2.1) various frequency electromagnetic field signals are measured simultaneously.
6. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The scene host (1) further includes second memory (1.2) and human-computer interaction device (1.3), second memory (1.2) and man-machine
Interactive device (1.3) access system bus (1.5), above-mentioned human-computer interaction device (1.3) include that touch screen, display screen, USB connect
Mouth and photoelectricity knob, the survey drilling 3 D electromagnetic field that second memory (1.2) is used to store central processing unit (1.1) generation are imaged
Figure and drilling track graph.
7. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The shell of the probe (2) is blocked with nonmetallic materials by the non-metallic pipe of 38~45mm of diameter and is formed, the 3 D electromagnetic field
The three-dimensional of sensor (2.1) is consistent with the three-dimensional of three-dimensional electronic compass (2.6).
8. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The 3 D electromagnetic field sensor (2.1) is by X-axis emf sensor (2.1.1), Y-axis magnetic field sensor (2.1.2), Z axis magnetic
Field sensor (2.1.3) composition, be respectively used to receive compass heading, with the vertical vertical direction of compass heading and with compass heading water
The electromagnetic field signal in three directions of flat vertical direction.
9. the ground well three-dimensional combination frequency electromagnetic exploration apparatus of determining watery according to claim 1, it is characterised in that:
The combination frequency electromagnetic signal emitter (4) is wrapped on box body or circle framework by multiturn cable (4.1) and is constituted,
In, the side length of box body is 10~1000 meters, and the diameter of circle shape is 3~500 meters.
10. a kind of three-dimensional combination frequency electromagnetic exploration method using claim 1 described device, which is characterized in that it includes
Following steps:
Step 1: by the setting of multiple combination frequency electromagnetic signal emitters (4) in the orifice area of drilling (6) to be measured, will pop one's head in
(2) be arranged it is to be measured drilling (6) aperture, and will probe (2) from drilling (6) aperture to be measured to bottom hole along each coordinate points stepping
Formula promotes；
Step 2: central processing unit (1.1) control combination frequency electromagnetic signal drive module (1.7) is believed by combination frequency electromagnetism
Number transmitter (4) emits combination frequency electromagnetic signal in drilling (6) to be measured；
Step 3: the 3 D electromagnetic field sensor (2.1) of probe (2) receives in combination frequency electromagnetic signal in each coordinate points
With each corresponding electromagnetism direct signal of coordinate points of drilling to be measured and drilling (6) surrounding rock body to be measured by combination frequency electromagnetism
The three-dimensional secondary field electromagnetic signal corresponding with each coordinate points of drilling to be measured of excitation, three-dimensional electronic compass (2.6) inductive probe
(2) track data in drilling (6) to be measured；
Step 4: the central processing unit (1.1) is used for will three-dimensional secondary field electromagnetism number corresponding with each coordinate points of drilling to be measured
Word signal is removed to be obtained surveying each seat that drills in the above-mentioned through digital signal of 3 D electromagnetic corresponding with each coordinate points of drilling to be measured
Then the 3 D electromagnetic field field strength data of punctuate be imaged to the 3 D electromagnetic field field strength data for surveying each coordinate points that drill
To survey drilling 3 D electromagnetic field image；
The inductive probe (2) that the central processing unit (1.1) obtains also according to three-dimensional electronic compass (2.6) is in drilling (6) to be measured
Interior track data draws out drilling track graph；
Step 5: the central processing unit (1.1) is handled drilling 3 D electromagnetic field image is surveyed, and is found out with the presence or absence of certain
The 3 D electromagnetic field field strength of a borehole coordinate point to be measured is greater than the 3 D electromagnetic field field strength of entire all coordinate points of drilling to be measured
Three times mean square deviation is found out in drilling specifically if it is present the borehole coordinate point to be measured match with drilling track graph
Watery position.
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