CN212410631U - Drilling television flow velocity and flow direction measuring instrument capable of quickly positioning aquifer - Google Patents
Drilling television flow velocity and flow direction measuring instrument capable of quickly positioning aquifer Download PDFInfo
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- CN212410631U CN212410631U CN202021870874.XU CN202021870874U CN212410631U CN 212410631 U CN212410631 U CN 212410631U CN 202021870874 U CN202021870874 U CN 202021870874U CN 212410631 U CN212410631 U CN 212410631U
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Abstract
The utility model provides a drilling television flow velocity and flow direction measuring instrument for quickly positioning an aquifer, which comprises a measuring probe and a computer; a fish eye simulating camera, an electrolysis electrode and an industrial camera are arranged in the measuring probe; the electrolysis electrode is used for electrolyzing underground water to generate bubbles; the fish eye simulating camera is used for acquiring image information in the drill hole and image information of bubbles and transmitting the image information to the computer; displaying the image received by the computer to perform television imaging logging of the hole wall, and displaying the motion track of the bubbles; the industrial camera acquires images in the drill hole and transmits image information to the computer when the motion track of the bubbles is not vertical upwards; the computer calculates the flow velocity and direction of the groundwater according to the images acquired by the industrial camera. The utility model discloses an electrolysis electrode electrolysis water can produce the bubble, shoots the movement track and the drilling pore wall image of bubble through simulation fisheye camera and finds groundwater water outlet point, location aquifer.
Description
Technical Field
The utility model relates to an identification and positioning of aquifer specifically is a drilling TV velocity of flow direction measuring instrument of quick location aquifer.
Background
At present, the means for monitoring the flow rate and the flow direction of groundwater at home and abroad mainly comprise a geophysical prospecting method and a tracer method. The geophysical prospecting method mainly comprises an electrical method and ultrasonic detection; the tracing method mainly comprises a tracer adding method and a temperature field tracing method. The tracer method results are reliable. The tracer method firstly determines the flow direction, then the drill holes are observed according to the flow direction arrangement flow speed, at least 2 drill holes need to be designed, and the engineering cost is high. The release of tracers, especially radioactive tracers, can cause pollution to groundwater. In addition, the traditional method cannot realize automation, so that the labor cost is high and the labor intensity is high.
With the continuous application and popularization of machine vision measurement technology in various industries, the microscopic particle image-based speed measurement technology is applied to the measurement of groundwater flow speed and flow direction.
However, the vertical distribution of the groundwater aquifer is usually not uniform, and the microscopic particle imaging system has a small visual field, so that before the microscopic imaging system is applied, salinization well logging and other means are required to be carried out to depict the position of the aquifer, and the construction efficiency is low. Under the condition that underground water aquifer fine description data cannot be obtained, the construction efficiency of the technology is greatly reduced.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a drilling TV velocity of flow of water to measuring instrument of quick location aquifer solves because the groundwater aquifer is inhomogeneous makes traditional velocity of flow to the difficult problem that the aquifer can not the quick identification location.
The utility model discloses a realize through following technical scheme:
a drilling television flow velocity and flow direction measuring instrument for quickly positioning an aquifer comprises a measuring probe and a computer;
a fish eye simulating camera, an electrolysis electrode and an industrial camera are arranged in the measuring probe;
the electrolysis electrode is used for electrolyzing underground water;
the simulated fisheye camera is used for acquiring image information in the drill hole and acquiring image information of bubbles generated by electrolyzing underground water by the electrolysis electrode, and the simulated fisheye camera transmits the image information to the computer; the computer displays the image collected by the analog fisheye camera so as to carry out television imaging well logging of the hole wall and display the motion track of the bubbles;
the industrial camera acquires images in the drill hole and transmits image information to the computer when the movement track of bubbles generated by electrolyzing underground water by the electrolysis electrode is not vertical upwards; the computer calculates the flow velocity and direction of the groundwater according to the images acquired by the industrial camera.
Preferably, a temperature and pressure sensor is also arranged in the measuring probe; when the movement track of bubbles generated by electrolyzing underground water by the electrolysis electrode is not vertical upwards any more, the temperature and pressure sensor collects the temperature and pressure information in the drill hole and transmits the temperature and pressure information to the computer.
Preferably, the measuring probe is internally provided with a three-posture sensor, and when the movement track of bubbles generated by electrolyzing underground water by the electrolysis electrode is not vertically upward any more, the three-posture sensor acquires three-posture information of the measuring probe and transmits the three-posture information to the computer; and the computer calibrates the image acquired by the industrial camera after acquiring the three-attitude information of the measuring probe and calculates the flow velocity and the flow direction of the underground water.
Preferably, the measuring probe comprises a measuring probe lower part, a measuring probe upper part and a connecting pipe for connecting the measuring probe lower part and the measuring probe upper part;
the lower part of the measuring probe comprises a lower shell, a fish-eye simulating camera and a light source positioned above the fish-eye simulating camera are arranged in the lower shell, and a lens of the fish-eye simulating camera faces upwards; the top of the lower shell is provided with a first glass sheet and an electrolysis electrode, and the electrolysis electrode extends out of the lower shell;
the upper part of the measuring probe comprises an upper shell, and a second glass sheet opposite to the first glass sheet is arranged at the bottom of the upper shell; an industrial camera is arranged in the upper shell.
Further, a zoom industrial lens matched with the industrial camera and a focusing control ring, a zoom control ring and an aperture control ring for adjusting the lens magnification of the zoom industrial lens are arranged in the upper shell.
Still further, a three-stage servo control motor for controlling and adjusting the focus control ring, the zoom control ring and the aperture control ring is arranged in the upper shell.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses drilling TV velocity of flow direction measuring instrument includes electrolysis electrode and simulation fisheye camera, electrolysis electrode electrolysis water can produce hydrogen and oxygen, form the bubble, shoot the movement track and the drilling pore wall image of bubble through simulation fisheye camera, when not reaching groundwater water outlet point, the movement track of bubble is vertical upwards, when reaching groundwater water outlet point, because the movement track of bubble no longer is vertical upwards because the flow of groundwater leads to the movement track of bubble, but to a certain horizontal direction skew, can find groundwater water outlet point according to drilling pore wall image again, just also fix a position groundwater aquifer; in this case, parameters such as groundwater flow velocity can be measured by an industrial camera. The utility model discloses combine electrolysis electrode and simulation fisheye camera, can compensate the defect that the micro-industrial camera field of vision is little and unable quick location aquifer, can discern the aquifer fast, improve efficiency and precision based on micro-particle imaging technique of testing the speed at groundwater aquifer multiparameter measurement. The utility model discloses a device mainly is applied to the measurement of the flow field multi-parameter of groundwater, and mainly used is not limited to the measurement of the groundwater multi-parameter in drilling.
Drawings
Fig. 1 is the whole schematic diagram of the rapid positioning aquifer drilling television flow velocity and flow direction measuring instrument.
Fig. 2 is the structure schematic diagram of the measuring probe of the present invention.
Fig. 3 is a schematic view of the internal composition of the lower part of the measuring probe, wherein (a) is a top view, (b) is a cross-sectional view, and (c) is a bottom view.
Fig. 4 is a schematic view of the internal composition of the upper part of the measuring probe.
Fig. 5 is a schematic diagram of a signal transmission cable.
Fig. 6 is a schematic diagram of a signal-controlled cassette.
In the figure: a measuring probe 1, a signal transmission cable 2, a signal control conversion box 3, a computer 4, a network cable 5, a USB cable 6, a measuring probe lower part 7, a connecting pipe 8, a measuring probe upper part 9, a temperature pressure sensor 10, a 485 signal conversion control panel 11, a simulated fisheye camera 12, a power supply transformation circuit board 13, an electrolytic electrode 14, a light source 15 and a first glass sheet 16, the device comprises a filter screen 17, a second glass sheet 18, a zooming industrial lens 19, a focusing control ring 20, a zooming control ring 21, a diaphragm control ring 22, an industrial camera 23, a three-level servo control motor 24, a 485 analog signal light conversion circuit module 25, a gigabit network light conversion circuit module 26, a power transformer module 27, a first socket 29, a plug 30, a load multi-core photoelectric composite cable 31 and a second socket 32.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in figure 1, quick location aquifer's drilling TV velocity of flow direction measuring instrument, including measuring probe 1, signal transmission cable 2, signal control conversion box 3, computer 4, net twine 5 and USB line 6.
As shown in fig. 2, the measuring probe 1 comprises a measuring probe lower part 7 and a measuring probe upper part 9, and a connecting tube 8 connecting the measuring probe lower part 7 and the measuring probe upper part 9.
As shown in fig. 3, the measurement probe lower portion 7 includes: the device comprises a lower shell, wherein a temperature and pressure sensor 10, a 485 signal conversion control panel 11, a simulated fisheye camera 12, a power supply transformation circuit board 13 and an annular uniform light source 15 are arranged in the lower shell; the bottom of the lower shell is provided with an opening, a filter screen 17 is arranged at the opening, and a first glass sheet 16 is arranged at the top of the lower shell. The top of the lower shell is provided with an electrolysis electrode 14, and the electrolysis electrode 14 extends out of the lower shell and is directly contacted with underground water. The light source 15 is located above the fisheye simulating camera 12, and the lens of the fisheye simulating camera 12 faces upward. The power supply transformation circuit board 13 is used for adjusting the brightness of the light source 15 and supplying power to the temperature and pressure sensor 10, the simulated fisheye camera 12 and the light source 15. The filter screen 17 can protect the temperature and pressure sensor 10.
As shown in fig. 4, the measurement probe upper part 9 includes: an upper housing provided at its bottom with a second glass sheet 18 opposite the first glass sheet 16; an industrial camera 23, a zooming industrial lens 19 matched with the industrial camera 23, a focusing control ring 20, a zooming control ring 21 and an aperture control ring 22 matched with the zooming industrial lens 19, a three-stage servo control motor 24 for controlling the focusing control ring 20, the zooming control ring 21 and the aperture control ring 22, a 485 analog signal light conversion circuit module 25, a gigabit network light conversion circuit module 26 and a power transformer module 27 are arranged in the upper shell. The second glass sheet 18 can protect the zoom industrial lens 19, so that underground water cannot enter the instrument to damage the circuit. The power transformer module 27 is used for providing power supplies with different voltages for the industrial camera, the 485 analog signal light conversion circuit module 25 and the gigabit network light conversion circuit module 26.
The electrolysis electrode 14 is used for electrolyzing underground water. The simulated fisheye camera 12 is used for collecting image information in the drilled hole and collecting image information of bubbles generated by electrolyzing underground water by the electrolysis electrode 14, and the simulated fisheye camera 12 transmits the image information to the computer 4. The computer 4 displays the image collected by the simulated fisheye camera 12 to perform television imaging logging of the hole wall and display the motion track of the bubbles.
When the movement track of bubbles generated by electrolyzing underground water by the electrolysis electrode 14 is not vertically upward any more and deviates to a certain horizontal direction, the industrial camera 23 collects images in the drill hole, the temperature and pressure sensor 10 collects the temperature and the pressure in the drill hole, and the three-posture sensor collects the three-posture information of the measuring probe 1; the image collected by the industrial camera 23, the temperature and pressure collected by the temperature and pressure sensor 10 and the three-posture information collected by the three-posture sensor are all transmitted to the computer 4.
The computer 4 calibrates the image acquired by the industrial camera 23 according to the three-attitude information of the measuring probe 1, calculates the frame-crossing displacement in the particles through PTV and PIV algorithms, and then divides the frame-crossing displacement by the reciprocal of the frequency of the industrial camera 23 to calculate the particle velocity, thereby measuring flow field parameters such as the flow velocity, the flow direction, the temperature, the pressure and the like of the underground water.
As shown in fig. 6, the signal control converter box 3 is used for converting an optical signal into a gigabit network signal or a 485 analog electrical signal, or converting an electrical signal into an optical signal, and converting the 485 analog electrical signal into a USB signal for output; the signal control conversion box 3 contains a PLC, and the PLC is used for controlling the brightness of the light source 15 and adjusting the magnification of the zooming industrial lens through a servo electrode; the signal-controlled switching box 3 is also used to control the switching state of the electrolysis electrodes 14.
The computer 4 is also used for controlling the on-off states of the analog fisheye camera 12 and the industrial camera 23.
The electric signal which is sent by the computer 4 and used for controlling the fish-eye simulating camera 12 and the electric signals which are sent by the signal control conversion box 3 and used for controlling the electrolysis electrode 14, the three-stage servo control motor 24 and the light source 15 are converted into optical signals through the signal control conversion box 3 and sent to the 485 analog signal light conversion circuit module 25, the 485 analog signal light conversion circuit module 25 converts the optical signals into electric signals, and then the electrolysis electrode 14, the three-stage servo control motor 24, the fish-eye simulating camera 12 and the light source 15 are controlled.
The control signal for controlling the industrial camera 23 sent by the computer 4 is sent to the signal control conversion box 3 through the gigabit network cable, the signal control conversion box 3 converts the electrical signal into an optical signal, the optical signal is transmitted to the gigabit network optical conversion circuit module 26 through another optical fiber of the signal transmission cable 2, and the gigabit network optical conversion circuit module 26 converts the optical signal into a gigabit network signal, so that the industrial camera 23 can be controlled. The digital image signal of the industrial camera 23 is converted into an optical signal by the gigabit network optical circuit module 26 and sent to the signal control conversion box 3 by the signal transmission cable 2, and the signal control conversion box 3 converts the optical signal into a gigabit network signal and sends the gigabit network signal to the computer 4.
The 485 signal of telecommunication of the image that simulation fisheye camera 12 was gathered passes through signal 485 conversion control panel 11 to transmit for 485 analog signal changes optical circuit module 25, 485 analog signal changes optical circuit module 25 and becomes 485 optical signal with the 485 signal of telecommunication conversion of simulation fisheye camera 12, 485 optical signal passes through signal transmission cable 2 and transmits for signal conversion control box 3, signal conversion control box 3 converts 485 optical signal into the 485 signal of telecommunication and transmits for computer 4 through USB line 6.
The 485 signal of the temperature pressure sensor 10 is connected in series to the 485 analog signal light conversion circuit module 25 through the 485 signal conversion control board 11, the 485 analog signal light conversion circuit module 25 converts the 485 electric signals of the temperature, pressure and three-posture sensor into optical signals, the optical signals are converted and transmitted to the signal conversion control box 3 through an optical fiber of the signal transmission cable 2, and the optical signals are converted into the electric signals by the signal conversion control box 3 and transmitted to the computer 4 through the USB wire 6.
As shown in fig. 5, the signal transmission cable 2 is composed of 4 parts: 2 multimode optical fibers and 2 0.75 copper wires, a first socket 29 fixed at the top end of the upper part 9 of the measuring probe, two plugs 30, a load multi-core photoelectric composite cable 31 connected with the two plugs 30, and a second socket 32 fixed on the signal conversion control box 3. One plug 30 is connected to the first socket 29 and the other plug 30 is connected to the second socket 32.
The industrial camera 23 may be a CCD industrial camera or a COMS industrial camera.
The utility model discloses combine together fisheye camera and electrolysis water technique and traditional velocity of flow direction appearance, can discern the position of aquifer fast, concrete application method includes following step:
firstly, connecting the measuring probe 1, the signal transmission cable 2, the signal control conversion box 3 and the computer 4 in sequence, slowly putting the measuring probe 1 into a borehole constructed in advance, wherein the borehole has underground water due to a water outlet point;
secondly, an electrolysis switch of the conversion box 3 is controlled by a signal to open an electrolysis electrode 4, and the electrolysis electrode 4 electrolyzes underground water to generate hydrogen and oxygen; the fish-eye simulating camera 12 is turned on through computer software, and the light source brightness knob of the conversion box 3 is controlled through signals to adjust the brightness.
The computer 4 and the electric signals which are sent out by the signal control conversion box 3 and used for controlling the electrolysis electrode 14, the three-stage servo control motor 24, the light source 15 and the fisheye-like camera 12 are converted into optical signals through the photoelectric conversion module of the signal control conversion box 3 and sent to the 485 analog signal light conversion circuit module 25, and the optical signals are converted into electric signals to further control the electrolysis electrode 14, the three-stage servo control motor 24, the fisheye-like camera 12 and the light source 15.
Thirdly, while slowly moving the measuring probe 1 to the borehole at a constant speed, observing the motion track of bubbles in the borehole, and performing television imaging well logging on the borehole wall; when the water does not reach the groundwater outlet point, the motion track of the bubbles is vertically upward;
the analog fisheye camera 12 in the measuring probe lower part 7 is mainly connected with the 485 electrical signal to the 485 analog signal light conversion circuit module 25 through the 485 signal conversion control panel 11, the 485 electrical signal of the analog fisheye camera 12 is converted into an optical signal through the optical module by the 485 analog signal light conversion circuit module 25, the optical signal is transmitted to the signal conversion control box 3 through an optical fiber of the signal transmission cable 2, the optical signal is converted into the electrical signal by the photoelectric conversion module in the signal conversion control box 3, and the electrical signal is transmitted to the computer 4 through the USB interface.
Fourthly, when the motion tracks of the hydrogen and the oxygen are not vertical any more and obvious deviation to a certain direction occurs, approaching the water outlet point of the underground water, combining the television logging result of the hole wall, quickly judging the water outlet point of the aquifer of the underground water, namely positioning the underground aquifer, and stopping the downward movement of the measuring probe 1;
fifthly, preliminarily judging the flow velocity range of the underground water according to the horizontal offset distance of the bubbles shot by the simulated fisheye camera 12, determining the upper speed limit of the industrial camera 23 by taking 1/3-2/3 of the flow velocity range at the upper speed limit of the industrial camera 23 as a standard, and calculating the lens magnification of the zoom industrial lens 19 according to the upper speed limit, wherein the measurement precision is higher at the moment. The specific calculation method comprises the following steps:
the upper speed limit of the industrial camera has the following relationship with the lens magnification of the zoom industrial lens 19:
the vertical resolution, pixel size and camera frequency are all known parameters of an industrial camera, and the upper speed limit is determined according to the flow velocity range, so that the lens magnification of the zoom industrial lens 19 can be obtained.
Sixthly, closing the electrolysis electrode; the industrial camera 23 is turned on through the computer 4, the corresponding lens magnification is selected on the signal conversion control box 3, the zoom control ring 21 is controlled through the second gear of the three-level servo control motor 24, and the magnification of the lens is adjusted; the focusing knob controls the focusing control ring 20 through the third gear of the three-stage servo control motor 24 to focus; the aperture knob controls the aperture control ring 22 through the first gear of the three-stage servo control motor 24 to adjust the amount of light passing. The brightness of the light source is controlled by the light source brightness knob.
The control signal of the industrial camera 23 which is sent by the computer 4 and used for controlling the camera is sent to the signal control conversion box 3 through the gigabit network cable, the electric signal is converted into the optical signal, the optical signal is transmitted to the gigabit network light conversion circuit module 26 through the other optical fiber of the signal transmission cable 2, and the optical signal is converted into the gigabit network signal, so that the industrial camera 23 can be controlled. The digital image signal of the industrial camera 23 is converted into an optical signal by the gigabit network optical conversion circuit module 26 and sent to the signal control conversion box 3, and then converted into a gigabit network signal and sent to the computer.
And seventhly, opening underground water flow speed and flow direction measuring software installed on the computer to start to acquire signals of the industrial camera 23, the temperature and pressure sensor 10 and the three-position sensor.
The temperature and pressure sensor 10 in the lower part 7 of the measuring probe is mainly used for serially connecting a 485 signal to a 485 analog signal light conversion circuit module 25 through a 485 signal conversion control panel 11, the 485 analog signal light conversion circuit module 25 converts a 485 electric signal of a temperature sensor, a pressure sensor and a three-attitude sensor into an optical signal through an optical module, the optical signal is transmitted to a signal conversion control box 3 through an optical fiber of a signal transmission cable 2, and a photoelectric conversion module in the signal conversion control box 3 converts the signal into an electric signal and transmits the electric signal to a computer 4 through a USB interface.
Eighth step: the computer 4 calibrates the image acquired by the industrial camera 23 after obtaining the three-attitude information of the measuring probe, calculates the frame-crossing displacement in the particles through PTV and PIV algorithms, and then divides the frame-crossing displacement by the reciprocal of the camera frequency to calculate the particle velocity, thereby rapidly measuring the flow field parameters of the groundwater such as flow velocity, flow direction, temperature, pressure and the like. The pressure parameter can calculate the buried depth of the underground water level according to the length of the cable.
Claims (6)
1. A drilling television flow velocity and flow direction measuring instrument for quickly positioning an aquifer is characterized by comprising a measuring probe (1) and a computer (4);
a simulated fisheye camera (12), an electrolysis electrode (14) and an industrial camera (23) are arranged in the measuring probe (1);
the electrolysis electrode (14) is used for electrolyzing underground water;
the simulated fisheye camera (12) is used for collecting image information in the drill hole, collecting image information of bubbles generated by electrolyzing underground water by the electrolysis electrode (14), and transmitting the image information to the computer (4) by the simulated fisheye camera (12); the computer (4) displays the image collected by the fish-eye simulating camera (12) so as to carry out television imaging logging of the hole wall and display the motion track of the bubbles;
the industrial camera (23) is used for collecting images in the drill hole and transmitting image information to the computer (4) when the movement track of bubbles generated by the electrolysis of the underground water by the electrolysis electrode (14) is not vertical upwards; the computer (4) calculates the flow velocity and direction of the groundwater from the images acquired by the industrial camera (23).
2. The TV set flow rate and direction measuring instrument for rapidly positioning the aquifer according to claim 1, characterized in that a temperature and pressure sensor (10) is also arranged in the measuring probe (1); when the movement track of bubbles generated by the electrolysis of the underground water by the electrolysis electrode (14) is not vertical upwards any more, the temperature and pressure sensor (10) collects the temperature and pressure information in the drill hole and transmits the temperature and pressure information to the computer (4).
3. The drilling television flow velocity and flow direction measuring instrument for rapidly positioning the aquifer according to claim 1, characterized in that a three-posture sensor is further arranged in the measuring probe (1), and when the movement track of bubbles generated by electrolyzing underground water by the electrolysis electrode (14) is not vertically upward any more, the three-posture sensor collects three-posture information of the measuring probe (1) and transmits the three-posture information to the computer (4); the computer (4) calibrates the image collected by the industrial camera (23) after obtaining the three-attitude information of the measuring probe (1), and calculates the flow speed and the flow direction of the underground water.
4. The apparatus for measuring the tv flow rate and direction of borehole for the rapid location of aquifers according to claim 1, characterized in that the measuring probe (1) comprises a lower measuring probe part (7) and an upper measuring probe part (9), and a connecting pipe (8) for connecting the lower measuring probe part (7) and the upper measuring probe part (9);
the lower part (7) of the measuring probe comprises a lower shell, a simulated fisheye camera (12) and a light source (15) positioned above the simulated fisheye camera (12) are arranged in the lower shell, and the lens of the simulated fisheye camera (12) faces upwards; the top of the lower shell is provided with a first glass sheet (16) and an electrolysis electrode (14), and the electrolysis electrode (14) extends out of the lower shell;
the upper part (9) of the measuring probe comprises an upper shell, and the bottom of the upper shell is provided with a second glass sheet (18) opposite to the first glass sheet (16); an industrial camera (23) is arranged in the upper shell.
5. The apparatus for measuring the flow rate and the flow direction of a borehole television for rapidly positioning an aquifer according to claim 4, wherein a zoom industrial lens (19) used in cooperation with an industrial camera (23) and a focus control ring (20), a zoom control ring (21) and an aperture control ring (22) for adjusting the lens magnification of the zoom industrial lens (19) are further arranged in the upper shell.
6. The apparatus for measuring TV flow velocity and flow direction of borehole for rapidly positioning aquifer according to claim 5, characterized in that a three-stage servo control motor (24) for controlling and adjusting the focus control ring (20), the zoom control ring (21) and the aperture control ring (22) is further provided in the upper housing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870874.XU CN212410631U (en) | 2020-08-31 | 2020-08-31 | Drilling television flow velocity and flow direction measuring instrument capable of quickly positioning aquifer |
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| CN202021870874.XU CN212410631U (en) | 2020-08-31 | 2020-08-31 | Drilling television flow velocity and flow direction measuring instrument capable of quickly positioning aquifer |
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| CN202021870874.XU Active CN212410631U (en) | 2020-08-31 | 2020-08-31 | Drilling television flow velocity and flow direction measuring instrument capable of quickly positioning aquifer |
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