CN109898993A - The measurement device of groundwater velocity and direction in vertical drilling - Google Patents
The measurement device of groundwater velocity and direction in vertical drilling Download PDFInfo
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- CN109898993A CN109898993A CN201910250364.8A CN201910250364A CN109898993A CN 109898993 A CN109898993 A CN 109898993A CN 201910250364 A CN201910250364 A CN 201910250364A CN 109898993 A CN109898993 A CN 109898993A
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- 238000005259 measurement Methods 0.000 title claims abstract description 44
- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 239000003673 groundwater Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 28
- 239000000523 sample Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The present invention relates to hydrogeological prospecting technique fields, disclose a kind of measurement device of groundwater velocity and direction in vertical drilling, including the detector body extending into vertical drilling, it further include the cable system being connect with detector body, detector body includes glass storehouse, the horizontal baffle that glass storehouse is divided into upper cavity and lower chamber is equipped in glass storehouse, partition is equipped with camera lens camera directed downwardly, electromagnetic current metre is connected with by vertical shaft below glass storehouse, electromagnetic current metre is equipped with three-dimensional electronic compass sensor, cable system includes suspending the wirerope of detector body in midair and providing the power supply communication cable of power supply and communication for detector body.The measurement device of groundwater velocity and direction in vertical drilling of the present invention can directly measure the flow velocity and flow direction of underground water in vertical drilling, and structure is simple, and measurement is convenient, highly reliable.
Description
Technical field
The present invention relates to hydrogeological exploration fields, and in particular to the measurement of groundwater velocity and direction in a kind of vertical drilling
Device.
Background technique
The flow direction measurement in hydrogeological exploration field, underground water generally uses line-of-sight course, i.e., in approximate equilateral triangle
Three drillings are arranged on vertex, work out the contour of water table with its water level elevation, the vertical contour of water table is simultaneously ground to the direction of water level reduction
It is lauched flow direction.It is upward in the subsurface flow of water level contour map, the hydraulic gradient between adjacent two contour of water table is found out, you can get it
Lower water flow velocity.The measurement of this measuring method be diving flow direction and flow velocity, for the underground water of stably stratified flow movement have compared with
Good effect, and be difficult to obtain the hydrologic parameter of the underground water any position any time of turbulent condition.
In addition, tagging method can also be used for the flow velocity that flows to of measurement underground water, but on the one hand when medium is uneven
Or when there is branch, calculated result is often inaccurate, while radioactive element will also result in the pollution of groundwater environment.
Meanwhile in hydrologic monitoring field, the flow rate of water flow device directly measured mainly has rotary propeller type tachymeter, Doppler to survey
Fast instrument, ultrasonic current metre etc..But these flow meters are generally chiefly used in the flow velocity measurement of the water flows such as rivers, ocean.Due to
Borehole space is narrow, and groundwater velocity is slow, and fluidised form is unstable, and traditional current meter is difficult to apply to groundwater velocity measurement.
Therefore, the device of direction of groundwater flow in drilling, flow velocity is still measured without a kind of intuitive accurate, practicability and effectiveness at present.
Summary of the invention
The purpose of the present invention is to the deficiency of above-mentioned technology, groundwater velocity and direction in a kind of vertical drilling is provided
Measurement device can directly measure the flow velocity and flow direction of underground water in vertical drilling, and structure is simple, and measurement is convenient, highly reliable.
To achieve the above object, the present invention designed by a kind of vertical drilling in groundwater velocity and direction measurement device,
It further include the cable system being connect with the detector body, the spy including the detector body extending into vertical drilling
Surveying device ontology includes glass storehouse, be equipped in the glass storehouse in by the glass storehouse be divided into the level of upper cavity and lower chamber every
Plate, the partition are equipped with camera lens camera directed downwardly, for acquiring water body image, are connected below the glass storehouse by vertical shaft
There is electromagnetic current metre, is directly contacted with underground water, for measuring groundwater velocity and indicating direction of groundwater flow, the electromagnetism flow velocity
Instrument is equipped with three-dimensional electronic compass sensor, and the electromagnetic current metre azimuth can be read, carry out school to the electromagnetic current metre
Standard, the cable system include suspending the wirerope of the detector body in midair and providing power supply and communication for the detector body
Power supply communication cable.
Preferably, ground is equipped with cable spool wire dispenser, and the cable spool wire dispenser is connect with the cable system,
Work foot prop is equipped with above the vertical drilling, the work foot prop is equipped with unwrapping wire guide wheel, and the cable system is around described
Unwrapping wire guide wheel, the work foot prop be used to detect work in the vertical drilling in and record the detector body and exist
Locating depth in the vertical drilling.
Preferably, the current meter fender bracket for protecting the electromagnetic current metre is equipped with below the glass storehouse.
Preferably, the bottom of the current meter fender bracket is equipped with head rubber cone directed downwardly, for spy described in reboot
It surveys under device ontology and bores, lower brill is difficult caused by avoiding because of the vertical drilling locally obstruction.
Preferably, the partition lower surface is equipped with several LED light, and the LED light is enclosed around the camera at one,
Light source is provided for image collection.
Preferably, the work foot prop is equipped with speed probe, for measuring the linear velocity of the unwrapping wire guide wheel, calculates
Transfer the length of the cable system.
Preferably, the power supply communication cable is fixedly connected on the wirerope by wire clamp, and the wire clamp is with described
Electromagnetic current metre position is that starting point is averagely arranged.
It preferably, further include the reception terminal being connect by the power supply communication cable with the detector body, it is described
Receiving terminal includes at main processor modules and the tach signal processing module connecting with the main processor modules, vision signal
Module and azimuth signal processing module are managed, the tach signal processing module passes through the power supply communication cable and the electromagnetism
Current meter is electrically connected, and the video signal processing module is electrically connected by the power supply communication cable with the camera, the orientation
Angle signal processing module is electrically connected by the power supply communication cable and the three-dimensional electronic compass sensor.
Preferably, magnet exciting coil is installed, the electromagnetic current metre surface and the magnetic line of force hang down inside the electromagnetic current metre
A pair of electrode communicated with water body is studded on straight direction.
Preferably, the camera is wide-angle shot head, and visual angle covers at the electromagnetic current metre plane and lower part
The lower chamber bottom of water body, the glass storehouse is equipped with angle index.
Compared with prior art, the present invention having the advantage that
1, high, highly reliable using electromagnetic current metre measurement flow rate accuracy, and different depth current curve can be drawn, benefit
It can measure the azimuth of electromagnetic current metre with three-dimensional electronic compass sensor, effectively solve groundwater velocity and stream in vertical drilling
The problem difficult to measurement；
2, using borehole camera function, the flowing image of underground water can be intuitively observed, measurement result is highly reliable, avoids
Other measurement methods because caused by underwater adverse circumstances instrument it is impaired, the problem of so as to cause measurement result distortion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the measurement device of groundwater velocity and direction in vertical drilling of the present invention；
Fig. 2 is the structural schematic diagram of detector body in Fig. 1；
Fig. 3 is the structural decomposition diagram of detector body in Fig. 1；
Fig. 4 is the bottom view of partition in Fig. 1；
Fig. 5 is the structural schematic diagram that terminal is received in Fig. 1.
Each part numbers are as follows in figure:
Vertical drilling 1, detector body 2, cable system 3, glass storehouse 4, upper cavity 5, lower chamber 6, partition 7, camera
8, electromagnetic current metre 9, three-dimensional electronic compass sensor 10, wirerope 11, power supply communication cable 12, cable spool wire dispenser 13,
Work foot prop 14, unwrapping wire guide wheel 15, current meter fender bracket 16, rubber cone 17, LED light 18, wire clamp 19, reception terminal 20, revolving speed
Signal processing module 21, video signal processing module 22, azimuth signal processing module 23, main processor modules 24, display mould
Block 25.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, in vertical drilling of the present invention groundwater velocity and direction measurement device, including extend into vertical drilling
Detector body 2 in 1 further includes the cable system 3 connecting with detector body 2, in conjunction with shown in Fig. 2 and Fig. 3, detector sheet
Body 2 includes glass storehouse 4, is equipped with the horizontal baffle 7 that glass storehouse 4 is divided into upper cavity 5 and lower chamber 6, partition 7 in glass storehouse 4
It is equipped with camera lens camera 8 directed downwardly, camera 8 is wide-angle shot head, and 6 bottom of lower chamber in glass storehouse 4 is equipped with angle
Scale, as shown in connection with fig. 4, in the present embodiment, 7 lower surface of partition is equipped with eight LED light 18, and LED light 18 is around camera 8 at one
A circle is connected with electromagnetic current metre 9 by vertical shaft below glass storehouse 4, magnet exciting coil, electromagnetism is equipped with inside electromagnetic current metre 9
A pair of electrode communicated with water body is studded on the direction vertical with the magnetic line of force of 9 surface of current meter, is additionally provided with protection below glass storehouse 4
The bottom of the current meter fender bracket 16 of electromagnetic current metre 9, current meter fender bracket 16 is equipped with head rubber cone 17 directed downwardly, electromagnetic current
Fast instrument 9 is equipped with three-dimensional electronic compass sensor 10, and cable system 3 includes the wirerope 11 of suspention detector body 2 and is to visit
It surveys device ontology 2 and the power supply communication cable 12 of power supply and communication is provided, power supply communication cable 12 is fixedly connected on steel by wire clamp 19
In cord 11, wire clamp 19 is averagely arranged using 9 position of electromagnetic current metre as starting point.
In addition, ground is equipped with cable spool wire dispenser 13, cable spool wire dispenser 13 is connect with cable system 3, vertically
1 top of drilling is equipped with work foot prop 14, and work foot prop 14 is equipped with unwrapping wire guide wheel 15, and cable system 3 bypasses unwrapping wire guide wheel 15, work
Make to be additionally provided with speed probe on foot prop 14,
Meanwhile as shown in figure 5, the present apparatus further includes the reception being connect by power supply communication cable 12 with detector body 2
Terminal 20 receives the tach signal processing module that terminal 20 includes main processor modules 24 and connect with main processor modules 24
21, video signal processing module 22, azimuth signal processing module 23 and display module 25, tach signal processing module 21 pass through
Power supply communication cable 12 is electrically connected with electromagnetic current metre 9, and video signal processing module 22 passes through power supply communication cable 12 and camera 8
It being electrically connected, azimuth signal processing module 23 is electrically connected by power supply communication cable 12 with three-dimensional electronic compass sensor 10, in use,
Tach signal processing module 21 receives the tach signal of electromagnetic current metre 9, and video signal processing module 22 receives the view of camera 8
Frequency signal, azimuth signal processing module 23 receive the azimuth signal of three-dimensional electronic compass sensor 10.
The present embodiment on receiving terminal 20 in use, can select automatic measurement and manual measurement both of which: automatic
Under measurement pattern, device is transferred from the aperture of vertical drilling 1 to bottom hole uniform speed slow, device presses 1 time/second measurement automatically；Hand
Under dynamic measurement pattern, device is transferred from the aperture of vertical drilling 1 to bottom hole uniform speed slow, manually presses measurement button, device
Random measurement is primary.When transferring 2 ontology of detector body, the video signal processing module 22 being electrically connected by camera 8 and therewith,
Water body image can be watched in real time in conjunction with display module 25.Finally, depth, flow velocity according to locating for device and bearing data are through turning
After fast signal processing module 21, azimuth signal processing module 23 and 24 interpretation of main processor modules processing, in display module 25
Display depth value curve, current curve and azimuth is flowed to, by reading maximum flow rate position on curve, EXIT POINT can be obtained
Hole depth can determine direction of groundwater flow in vertical drilling 1 by azimuth.
The measurement device of groundwater velocity and direction in vertical drilling of the present invention is flowed using water flow on 9 surface of electromagnetic current metre
When dynamic, trace voltage signal is generated on electrode, voltage signal is transmitted on counter, through the processing of circuit such as amplification and analog-to-digital conversion
Show flow velocity, measurement accuracy is high, and measurement range combines the display of instrument depth to draw different depth up to 0.01m/s~10m/s
Current curve, external three-dimensional electronic compass sensor 10 can measure 9 azimuth of electromagnetic current metre on electromagnetic current metre 9, effectively
Solve the problems, such as that groundwater velocity and flow direction measurement are difficult in vertical drilling 1；And using borehole camera function, can intuitively observe
To the water body feature of underground water, principle is simple, and measurement is convenient, and measurement result is highly reliable, avoids other measurement methods because of water
The problem of instrument caused by lower adverse circumstances is impaired, is distorted so as to cause measurement result.
Claims (10)
1. the measurement device of groundwater velocity and direction in a kind of vertical drilling, including the detector extending into vertical drilling (1)
Ontology (2), it is characterised in that: further include the cable system (3) being connect with the detector body (2), the detector body
(2) include glass storehouse (4), be equipped in the glass storehouse (4) and the glass storehouse (4) is divided into upper cavity (5) and lower chamber (6)
Horizontal baffle (7), the partition (7) is equipped with camera lens camera directed downwardly (8), passes through vertical shaft below the glass storehouse (4)
It is connected with electromagnetic current metre (9), the electromagnetic current metre (9) is equipped with three-dimensional electronic compass sensor (10), the cable system
System (3) is powered and is communicated including suspending the wirerope (11) of the detector body (2) in midair and providing for the detector body (2)
Power supply communication cable (12).
2. according to claim 1 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: set on ground
Have cable spool wire dispenser (13), the cable spool wire dispenser (13) connect with the cable system (3), the vertical drilling
(1) top be equipped with work foot prop (14), the work foot prop (14) be equipped with unwrapping wire guide wheel (15), the cable system (3) around
Cross the unwrapping wire guide wheel (15).
3. according to claim 2 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the glass
The current meter fender bracket (16) for protecting the electromagnetic current metre (9) is equipped with below storehouse (4).
4. according to claim 3 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the flow velocity
The bottom of instrument fender bracket (16) is equipped with head rubber cone directed downwardly (17).
5. according to claim 4 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the partition
(7) lower surface is equipped with several LED light (18), and the LED light (18) is enclosed around the camera (8) at one.
6. according to claim 5 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the work
Foot prop (14) is equipped with speed probe.
7. according to claim 6 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the power supply
Communication cable (12) is fixedly connected on the wirerope (11) by wire clamp (19), and the wire clamp (19) is with the electromagnetism flow velocity
Instrument (9) position is that starting point is averagely arranged.
8. according to claim 7 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: further include leading to
Cross the reception terminal (20) that the power supply communication cable (12) connect with the detector body (2), the reception terminal (20)
Including main processor modules (24) and the tach signal processing module (21) being connect with the main processor modules (24), video letter
Number processing module (22) and azimuth signal processing module (23), the tach signal processing module (21) are logical by the power supply
News cable (12) are electrically connected with the electromagnetic current metre (9), and the video signal processing module (22) passes through the power supply communication line
Cable (12) is electrically connected with the camera (8), and the azimuth signal processing module (23) passes through the power supply communication cable (12)
It is electrically connected with the three-dimensional electronic compass sensor (10).
9. according to claim 8 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: the electromagnetism
Magnet exciting coil is installed inside current meter (9), electromagnetic current metre (9) surface studs with a pair on the direction vertical with the magnetic line of force
The electrode communicated with water body.
10. according to claim 9 in vertical drilling groundwater velocity and direction measurement device, it is characterised in that: it is described to take the photograph
Picture head (8) is wide-angle shot head, and the lower chamber bottom of the glass storehouse (4) is equipped with angle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250364.8A CN109898993B (en) | 2019-03-29 | 2019-03-29 | Device for measuring flow velocity and direction of underground water in vertical drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250364.8A CN109898993B (en) | 2019-03-29 | 2019-03-29 | Device for measuring flow velocity and direction of underground water in vertical drilling |
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| CN109898993A true CN109898993A (en) | 2019-06-18 |
| CN109898993B CN109898993B (en) | 2024-04-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146939A (en) * | 2019-06-24 | 2019-08-20 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | A kind of Deep Groundwater measurement of rate of flow method |
| CN110441545A (en) * | 2019-09-20 | 2019-11-12 | 华北有色工程勘察院有限公司 | Direction of groundwater flow, flow velocity, sampling tester in karst hole drilling |
| CN111307209A (en) * | 2020-02-25 | 2020-06-19 | 河海大学 | Detection device for monitoring water leakage flow direction in underground water observation well |
| CN114859074A (en) * | 2022-04-25 | 2022-08-05 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146939A (en) * | 2019-06-24 | 2019-08-20 | 辽宁省水利水电勘测设计研究院有限责任公司（原名称为辽宁省水利水电勘测设计研究院） | A kind of Deep Groundwater measurement of rate of flow method |
| CN110441545A (en) * | 2019-09-20 | 2019-11-12 | 华北有色工程勘察院有限公司 | Direction of groundwater flow, flow velocity, sampling tester in karst hole drilling |
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| CN111307209A (en) * | 2020-02-25 | 2020-06-19 | 河海大学 | Detection device for monitoring water leakage flow direction in underground water observation well |
| CN114859074A (en) * | 2022-04-25 | 2022-08-05 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
| CN114859074B (en) * | 2022-04-25 | 2024-04-16 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
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| CN109898993B (en) | 2024-04-12 |
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