CN111595305A - Geological radar-based detection device, system and method for river bed sediment distribution - Google Patents
Geological radar-based detection device, system and method for river bed sediment distribution Download PDFInfo
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- CN111595305A CN111595305A CN202010335961.3A CN202010335961A CN111595305A CN 111595305 A CN111595305 A CN 111595305A CN 202010335961 A CN202010335961 A CN 202010335961A CN 111595305 A CN111595305 A CN 111595305A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
- G01C13/008—Surveying specially adapted to open water, e.g. sea, lake, river or canal measuring depth of open water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/02—Tracing profiles of land surfaces
- G01C7/04—Tracing profiles of land surfaces involving a vehicle which moves along the profile to be traced
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
Abstract
The invention belongs to the technical field of riverbed sediment detection, and particularly relates to a device, a system and a method for detecting riverbed sediment distribution based on geological radar, wherein the device comprises a sealed cabin; the lifting mechanism is arranged on the sealed cabin body and enables the sealed cabin to lift in a river through water inlet and water discharge; the temperature and pressure acquisition mechanism is arranged on the sealed cabin body and is used for measuring the depth of the river water and the temperatures of different depths of the river water; the geological radar detection mechanism is arranged inside the sealed cabin and is used for detecting a riverbed siltation layer and a sedimentary layer; and the data acquisition and control lower computer is arranged in the sealed cabin and is respectively connected with the lifting mechanism and the temperature and pressure acquisition mechanism. The invention can realize accurate and reliable detection of the shape of the river bed, the temperature of the river water and the distribution of the sediment of the river bed, and provides powerful data support for calculating the exchange capacity of the river and the underground water.
Description
Technical Field
The invention belongs to the technical field of riverbed sediment detection, and particularly relates to a device, a system and a method for detecting riverbed sediment distribution based on geological radar.
Background
The research on quantitative evaluation of the conversion amount between rivers and underground water in the mutual conversion process becomes a key point and a difficult point of underground water resource evaluation. Particularly aiming at the problems that the river hydraulic slope of the plain area is reduced, the water flow speed is slow, and a large amount of fine particles are deposited, so that the deposit layer of the river bed is thickened. Because the permeability coefficient of the coating is less than 0.1m/d, the hydraulic gradient exists between the river and the underground water, and the exchange amount is very little. Therefore, finding out the distribution rule of the river bed sediments is important for calculating the exchange amount of the river and the underground water.
The conventional method mainly utilizes a drill hole to expose the lithologic structure of a riverbed, but the sediment layer is easily disturbed in the sampling process to damage the sediment layer structure, so that the permeability characteristic of the sediment layer cannot be accurately evaluated. Meanwhile, due to the dynamic characteristics of the river, the distribution of the river bed deposition is not characterized in space only by drilling.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a detection device, a system and a method for river bed sediment distribution based on geological radar, which can realize accurate and reliable detection of river bed shape, river water temperature and river bed sediment distribution and provide powerful data support for calculating the exchange capacity of rivers and underground water.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a detection device for river bed sediment distribution based on geological radar, which comprises:
sealing the cabin;
the lifting mechanism is arranged on the sealed cabin body and enables the sealed cabin to lift in a river through water inlet and water discharge;
the temperature and pressure acquisition mechanism is arranged on the sealed cabin body and is used for measuring the depth of the river water and the temperatures of different depths of the river water;
the geological radar detection mechanism is arranged inside the sealed cabin and is used for detecting a riverbed siltation layer and a sedimentary layer;
and the data acquisition and control lower computer is arranged in the sealed cabin and is respectively connected with the lifting mechanism and the temperature and pressure acquisition mechanism.
Further, the sealed cabin includes floor and shell, the shell passes through flange joint with the floor, the floor adopts the ya keli board, the shell adopts the corrosion resistant plate welding to form, the top of shell is provided with a plurality of couples.
Furthermore, the sealed cabin also comprises two counterweight walls, wherein the inner space of the sealed cabin is divided into three parts, namely a left water inlet and outlet cavity, a middle storage cavity and a right water inlet and outlet cavity by the two counterweight walls.
Further, the lifting mechanism comprises a first water inlet/outlet control valve, a second water inlet/outlet control valve, a first water inlet/outlet control valve, a second water inlet/outlet control valve and an internal air inlet/outlet pipe, wherein the first water inlet/outlet control valve and the second water inlet/outlet control valve are respectively arranged on the left side and the right side of the shell, the first water inlet/outlet control valve and the second water inlet/outlet control valve are respectively arranged on two counterweight walls, and the first water inlet/outlet control valve and the second water inlet/outlet control valve are communicated through the internal air inlet/outlet pipe.
And further, the air inlet/outlet pipe also comprises an external air inlet/outlet pipe which penetrates out of the top of the shell through the air pipe sealing ring and is communicated with the internal air inlet/outlet pipe.
Further, the temperature and pressure acquisition mechanism comprises a temperature sensor and a pressure sensor which are respectively arranged on the left side and the right side of the shell.
Furthermore, the geological radar detection mechanism is positioned at the lower part of the middle storage cavity and comprises a geological radar antenna, a geological radar antenna fixing frame and a geological radar antenna damping block, the geological radar antenna is fixed on the geological radar antenna fixing frame, and the geological radar antenna fixing frame is fixed on the floor through the geological radar antenna damping block; and a geological radar connecting line sealing interface is arranged at the top of the shell.
Furthermore, the data acquisition and control lower computer is positioned at the upper part of the middle storage cavity and is fixed on the partition plate through the controller damping block; a data acquisition and control main line led out from the data acquisition and control lower computer penetrates out of the top of the shell through a data acquisition and control main line sealing ring; the temperature sensor, the pressure sensor, the first water inlet/outlet control valve, the second water inlet/outlet control valve, the first water inlet/outlet control valve and the second water inlet/outlet control valve are all connected with the data acquisition and control lower computer through cables.
The invention also provides a detection system for river bed sediment distribution based on the geological radar, which comprises the detection device, a ship, a lifting device, a geological radar host and a data acquisition and control upper computer; elevating gear, geological radar host computer and data acquisition and control host computer all set up on the ship, elevating gear is connected with detecting device, geological radar host computer passes through geological radar connecting wire and geological radar antenna connection, data acquisition and control host computer pass through data acquisition and control thread and are connected with the next machine of data acquisition and control.
The invention also provides a detection method of river bed sediment distribution based on the geological radar, which comprises the following steps:
selecting a typical river section, and collecting materials of river hydrology and river bed transition;
assembling and debugging a detection device for river bed sediment distribution based on a geological radar;
starting detection work, namely starting the ship to a preset detection position, placing the detection device on the river surface by using a lifting device, opening a water inlet control valve I, a water inlet control valve II, a gas exhaust control valve I and a gas exhaust control valve II, slowly sinking the detection device into the water bottom, opening a geological radar host to start detection, and simultaneously recording the river water temperature and the river bottom water pressure;
after detection is finished, opening a first drainage control valve, a second drainage control valve, a first air inlet control valve and a second air inlet control valve, and slowly floating the detection device to the river surface;
and starting the ship to reach the next preset detection position to start detection until all the preset detection positions are detected.
Compared with the prior art, the invention has the following advantages:
the invention relates to a geological radar-based detection device for river bed sediment distribution, which utilizes a pressure sensor to measure the depth of river water so as to determine the shape of a river bed, utilizes a temperature sensor to measure the temperature of the river at different depths, and utilizes a geological radar antenna to cooperate with a geological radar host to detect the distribution characteristics of the river bed sediment.
The lifting of the sealed cabin in the river can be realized through the first water inlet/discharge control valve, the second water inlet/discharge control valve, the first water inlet/discharge control valve, the second water inlet/discharge control valve and the internal air inlet/discharge pipe, and the lifting mechanism has the advantages of simple structure, reasonable design, lower cost, convenience in use, convenience in disassembly and assembly and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a geological radar-based detection device for river bed sediment distribution according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a geological radar based detection system for river bed sediment distribution according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of detection of riverbed sediment distribution based on geological radar according to an embodiment of the invention;
fig. 4 is a diagram showing the distribution characteristics of the bed sediments in the cross section of the korean river of the embodiment of the present invention.
The reference numbers in the figures denote:
101. acrylic plate, 102 shell, 103 hook, 104 counterweight, 105 left inlet and outlet cavity, 106 middle storage cavity, 107 right inlet and outlet cavity;
201. the air inlet/exhaust control valve I, 202, the air inlet/exhaust control valve II, 203, the air inlet/exhaust control valve I, 204, the air inlet/exhaust control valve II, 205, the internal air inlet/exhaust pipe, 206, the external air inlet/exhaust pipe, 207 and an air pipe sealing ring;
301. temperature sensor, 302. pressure sensor;
401. geological radar antenna, 402 geological radar antenna fixing frame, 403 geological radar antenna damping block, 404 geological radar connecting line sealing interface, 405 geological radar connecting line;
501. the method comprises the following steps of (1) acquiring data and controlling a lower computer, (502) controlling a shock absorption block of a controller, (503) a partition plate, and (504) acquiring data and controlling a main line; 505. a data acquisition and control mainline sealing ring;
601. a temperature sensor connecting joint, 602, a pressure sensor connecting joint, 603, a water inlet control connecting joint, 604, a water discharge control connecting joint, 605, an air inlet control connecting joint, 606, an air outlet control connecting joint;
701. river section, 702 river surface, 703 river bed siltation, 704 river bed sedimentary deposit, 705 river bed sediment;
8. a detection device;
901. a heel post, 902, a lifting ratchet, 903, a horizontal cantilever, 904, a pulley and 905, a steel wire rope;
10. geological radar host computer, 11, data acquisition and control host computer, 12, fishing boat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the detection apparatus for river bed sediment distribution based on geological radar of the present embodiment includes a sealed cabin, a lifting mechanism, a temperature and pressure acquisition mechanism, a geological radar detection mechanism, and a data acquisition and control lower computer 501. The lifting mechanism is arranged on the sealed cabin body, and the sealed cabin is lifted in a river through water inlet and water discharge; the temperature and pressure acquisition mechanism is arranged on the sealed cabin body and is used for measuring the depth of the river water and the temperatures of different depths of the river water; the geological radar detection mechanism is arranged in the sealed cabin and is used for detecting a riverbed sediment layer 703 and a riverbed sediment layer 704; the data acquisition and control lower computer 501 is arranged in the sealed cabin and is respectively connected with the lifting mechanism and the temperature and pressure acquisition mechanism.
The sealed cabin comprises a floor and a shell 102, the sealed cabin is designed in a mode of combining a metal material and a non-metal material, the floor is made of an acrylic plate 101 with the thickness of 15mm, the shell 102 is formed by welding stainless steel plates, the metal shell 102 and the acrylic plate 101 are connected through flanges, and a sealing gasket and a sealant are additionally arranged in the middle; mounting holes are reserved in corresponding positions of the metal shell 102, and the reserved mounting holes comprise a water inlet/outlet control valve mounting hole, a temperature sensor mounting hole, a pressure sensor mounting hole, a data acquisition and control main line sealing hole, a geological radar connecting line sealing hole and a gas pipe sealing hole. The top of the shell 102 is provided with a plurality of hooks 103, which is convenient for hoisting the whole sealed cabin.
This detection device 8 still includes two sides counter weight walls, and every counter weight wall comprises polylith balancing weight 104, and the quantity and the weight of balancing weight 104 mainly enable the sealed cabin to suspend on the surface of water, consequently need preassemble after processing is accomplished, and the quantity of balancing weight 104 is confirmed in the debugging. The inner space of the sealed cabin is divided into three parts by the two counterweight walls, namely a left water inlet and outlet cavity 105, a middle storage cavity 106 and a right water inlet and outlet cavity 107, the left water inlet and outlet cavity 105 and the right water inlet and outlet cavity 107 can store water or discharge water outwards, and the middle storage cavity 106 is used for storing a geological radar detection mechanism and a data acquisition and control lower computer 501.
The lifting mechanism comprises a first water inlet/outlet control valve 201, a second water inlet/outlet control valve 202, a first water inlet/outlet control valve 203, a second water inlet/outlet control valve 204 and an internal air inlet/outlet pipe 205, wherein the first water inlet/outlet control valve 201 and the second water inlet/outlet control valve 202 are respectively installed on the mounting holes of the water inlet/outlet control valves on the left side and the right side of the shell 102, the first water inlet/outlet control valve 203 and the second water inlet/outlet control valve 204 are respectively installed on two counterweight walls, and the first water inlet/outlet control valve 203 and the second water inlet/outlet control valve 204 are communicated through the internal air inlet/outlet pipe 205. The lift of the sealed cabin in the river is mainly realized by water inlet and water discharge, when the sealed cabin needs to be submerged, the first water inlet control valve, the second water inlet control valve, the first water discharge control valve and the second water discharge control valve are opened, river water enters the left water inlet and outlet cavity 105 and the right water inlet and outlet cavity 107, the sealed cabin slowly sinks into the water bottom, otherwise, the first water discharge control valve, the second water discharge control valve, the first water inlet control valve and the second water inlet control valve are opened, the river water is discharged from the left water inlet and outlet cavity 105 and the right water inlet and outlet cavity 107 through the direct-current submersible pump, the sealed cabin slowly rises, the power supply of the direct-current submersible pump for water discharge adopts a 12V storage battery, and the control part mainly adopts the connection and disconnection of a relay to improve the reliability of control. The air inlet/outlet pipe is characterized by further comprising an external air inlet/outlet pipe 206, an air pipe sealing ring 207 is installed on the air pipe sealing hole, and the external air inlet/outlet pipe 206 penetrates out of the air pipe sealing ring 207 and is communicated with the internal air inlet/outlet pipe 205.
The temperature and pressure acquisition mechanism comprises a temperature sensor 301 and a pressure sensor 302 which are respectively arranged on a temperature sensor mounting hole and a pressure sensor mounting hole on the left side and the right side of the shell 102, the temperature sensor 301 is used for measuring the temperature of the river at different depths, and the pressure sensor 302 is used for measuring the river depth so as to determine the shape of a riverbed; temperature sensor 301 adopts quick response's thermistor to realize the measurement of river temperature, and pressure sensor 302 adopts relative pressure sensor, compares with atmospheric pressure, calculates the river degree of depth through the pressure value, and temperature and pressure data acquisition mainly realize through 4 ~ 20mA current variation, can set up the sampling interval of temperature and pressure simultaneously.
The geological radar detection mechanism is positioned at the lower part of the middle storage cavity 106 and comprises a geological radar antenna 401, a geological radar antenna fixing frame 402 and a geological radar antenna damping block 403, the geological radar antenna 401 is fixed on the geological radar antenna fixing frame 402, and the geological radar antenna fixing frame 402 is fixed on the floor through the geological radar antenna damping block 403; and a geological radar connecting line sealing interface 404 is arranged on the geological radar connecting line sealing hole, and the geological radar connecting line 405 penetrates out of the geological radar connecting line sealing interface 404. The geological radar antenna 401 may enable detection of the bed siltation 703 and bed sediment 704, preferably a 400MHz shield antenna to reduce electromagnetic interference.
The data acquisition and control lower computer 501 is positioned at the upper part of the middle storage cavity 106 and is fixed on the partition 503 through the controller shock absorption block 502, a data acquisition and control main line sealing ring 505 is arranged on the data acquisition and control main line sealing hole, and a data acquisition and control main line 504 led out from the data acquisition and control lower computer 501 penetrates out of the data acquisition and control main line sealing ring 505. A temperature sensor connecting joint 601, a pressure sensor connecting joint 602, a water inlet control connecting joint 603, a water discharge control connecting joint 604, an air inlet control connecting joint 605 and an air outlet control connecting joint 606 are arranged on the data acquisition and control lower computer 501, the temperature sensor 301 is connected to the temperature sensor connection joint 601 through a temperature sensor connection line, the pressure sensor 302 is connected to the pressure sensor connection joint 602 through a pressure sensor connection line, the first water inlet control valve and the second water inlet control valve are connected to the water inlet control connection joint 603 through water inlet control lines, the first water outlet control valve and the second water outlet control valve are connected to the water outlet control connection joint 604 through water outlet control lines, the first water inlet control valve and the second water inlet control valve are connected to the air inlet control connection joint 605 through air inlet control lines, and the first air outlet control valve and the second water outlet control valve are connected to the air outlet control connection joint 606 through air outlet control lines.
As shown in fig. 2, the embodiment further provides a detection system for river bed sediment distribution based on geological radar, which includes the above detection device 8, a ship, a lifting device, a geological radar host 10 and a data acquisition and control upper computer 11; elevating gear, geological radar host computer 10 and data acquisition and control host computer 11 all set up on the ship, elevating gear is connected with detecting device 8, geological radar host computer 10 passes through geological radar connecting wire 405 and is connected with geological radar antenna 401, and data acquisition and control host computer 11 on the ship are connected with control host computer 501 through data acquisition and control thread 504 and the data acquisition in detecting device 8.
The lifting device comprises a bearing column 901, a lifting ratchet wheel 902, a horizontal cantilever 903, a pulley 904 and a steel wire rope 905; a bearing column 901 is vertically arranged on a ship, a lifting ratchet wheel 902 is arranged on the bearing column 901, a horizontal cantilever 903 is arranged at the top of the bearing column 901, two pulleys 904 are respectively arranged at two ends of the horizontal cantilever 903, a steel wire rope 905 led out from the lifting ratchet wheel 902 passes through the pulleys 904 of the horizontal cantilever 903 to a hook 103 at the top of a detection device 8, the detection device 8 is lifted, and the steel wire ropes 905 at two ends of the detection device 8 are adjusted to enable the detection device 8 to be horizontal. The external intake/exhaust pipe 206 is placed beside the ship to prevent the pressure of the personnel from influencing the intake and exhaust effects.
Corresponding to the detection system of the river bed sediment distribution based on the geological radar, as shown in fig. 3, the present embodiment further provides a detection method of the river bed sediment distribution based on the geological radar, including the following steps:
step S31, selecting a typical river section 701, collecting river hydrology, river bed transition and other data of the section, and particularly, checking whether the section is artificially modified.
Step S32, assembling and debugging a detection device for river bed sediment distribution based on geological radar;
firstly, mounting a first inlet/outlet control valve 201, a second inlet/outlet control valve 202, a first inlet/outlet control valve 203, a second inlet/outlet control valve 204, a gas pipe sealing ring 207, a geological radar connecting line sealing interface 404 and a data acquisition and control main line sealing ring 505 on a mounting hole; installing a hook 103; filling and assembling the weight 104 in the sealed cabin according to the calculated weight; a pressure sensor 302 and a temperature sensor 301 are mounted on the housing 102.
The data communication joint for connecting the following sensors and control valves to a data acquisition and control lower computer by using communication lines mainly comprises the following connections: the temperature sensor 301 is connected to a temperature sensor connecting joint 601 through a temperature sensor connecting line, the pressure sensor 302 is connected to a pressure sensor connecting joint 602 through a pressure sensor connecting line, the first water inlet control valve and the second water inlet control valve are connected to a water inlet control connecting joint 603 through water inlet control lines, the first water outlet control valve and the second water outlet control valve are connected to a water outlet control connecting joint 604 through water outlet control lines, the first water inlet control valve and the second water inlet control valve are connected to a water inlet control connecting joint 605 through air inlet control lines, and the first water outlet control valve and the second water outlet control valve are connected to a gas outlet control connecting joint 606 through gas outlet control lines; an internal intake/exhaust pipe 205 connecting the intake/exhaust control valve one 203 and the intake/exhaust control valve two 204 is connected to an external intake/exhaust pipe 206 through an intake pipe seal ring 207; the data acquisition and control lower computer 501 is connected with a data acquisition and control main line 504; the communication control line is connected well, and after the communication control line is checked to be correct, the data acquisition and control lower computer 501 is installed on a partition 503 in the shell 102 through a controller damping block 502.
Installing an acrylic plate 101, sealing a geological radar connecting line sealing interface 404, and connecting data acquisition and controlling an upper computer 11 for debugging; placing the detection device 8 in a water tank, and debugging whether the balancing weight 104 is appropriate; testing whether the first water inlet/outlet control valve 201 and the second water inlet/outlet control valve 202 work normally; testing whether the first inlet/outlet control valve 203 and the second inlet/outlet control valve 204 work normally; and testing whether the data collected by the temperature sensor 301 and the pressure sensor 302 are correct or not, and mainly correcting the data of the pressure sensor 302.
After debugging is completed, the acrylic plate 101 at the bottom of the detection device 8 is opened, the geological radar antenna 401 is fixed on the acrylic plate 101 through the geological radar antenna damping block 403 and the geological radar antenna fixing frame 402 on the acrylic plate 101, and then the acrylic plate 101 is installed on the detection device 8. Geological radar antenna 401 is grounded to geological radar host 10 by geological radar connecting wire 405.
Step S32, the assembled and debugged detecting device 8 is transported to a test site to perform the detection work, and the specific implementation process of the detection work is as follows:
renting a fishing boat 12, installing a lifting device, a geological radar host 10 and a data acquisition and control upper computer 11 on the fishing boat 12, connecting a steel wire rope 905 led out from a lifting ratchet wheel 902 with a hook 103 of a detection device 8 through a pulley 904 of a horizontal cantilever 903, lifting the detection device 8, and adjusting the steel wire ropes 905 at two ends of the detection device 8 to enable the detection device 8 to be horizontal; the geological radar host 10 is connected with a geological radar antenna 401 through a geological radar connecting wire 405, and the onboard data acquisition and control upper computer 11 is connected with the data acquisition and control lower computer 501 in the detection device 8 through a data acquisition and control main line 504; the external inlet/outlet pipe 206 is placed alongside the ship to prevent personnel from stepping on it.
After the fishing boat 12 is installed, the detection work is started, a detection section is selected, the fishing boat 12 is opened to a preset detection position, the coordinates of the detection position are measured by RTK, the detection device 8 is placed on the river surface 702 by using a lifting ratchet wheel 902 of a lifting device, a first water inlet control valve, a second water inlet control valve, a first exhaust control valve and a second exhaust control valve are opened, the detection device 8 slowly sinks into the water bottom, a geological radar host 10 is opened to start detection, and the river water temperature and the river bottom water pressure are recorded at the same time.
After the detection is finished, the first drainage control valve, the second drainage control valve, the first air inlet control valve and the second air inlet control valve are opened, and the detection device 8 slowly floats to the river surface 702.
And starting the fishing boat 12 to reach the next preset detection position to start detection, and recording data such as the coordinates of the detection position, the river bottom temperature, the river bottom pressure and the like until all the preset detection positions are detected.
In order to verify the reliability and feasibility of the detection device, the detection system and the detection method of the river bed sediment distribution based on the geological radar, the Korean cross section of the river basin is selected for detection, and the detection result is shown in figure 4. And meanwhile, verification proves that the method can realize detection of the distribution characteristics of the riverbed sediments 705, and the measurement result is real, accurate and reliable.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A geological radar-based detection device for river bed sediment distribution, comprising:
sealing the cabin;
the lifting mechanism is arranged on the sealed cabin body and enables the sealed cabin to lift in a river through water inlet and water discharge;
the temperature and pressure acquisition mechanism is arranged on the sealed cabin body and is used for measuring the depth of the river water and the temperatures of different depths of the river water;
the geological radar detection mechanism is arranged inside the sealed cabin and is used for detecting a riverbed siltation layer and a sedimentary layer;
and the data acquisition and control lower computer is arranged in the sealed cabin and is respectively connected with the lifting mechanism and the temperature and pressure acquisition mechanism.
2. The geological radar-based detection device for river bed sediment distribution according to claim 1, wherein the sealed cabin comprises a floor and a shell, the shell is connected with the floor through a flange, the floor is made of acrylic plates, the shell is formed by welding stainless steel plates, and a plurality of hooks are arranged at the top of the shell.
3. The geological radar-based detection apparatus for river bed sediment distribution according to claim 2, further comprising two counterweight walls, wherein the two counterweight walls divide the inner space of the sealed cabin into three parts, namely a left water inlet and outlet cavity, a middle storage cavity and a right water inlet and outlet cavity.
4. The apparatus for detecting the distribution of river bed sediments based on geological radar as defined in claim 3, wherein said elevating mechanism comprises a first inlet/outlet control valve, a second inlet/outlet control valve, a first inlet/outlet control valve, a second inlet/outlet control valve and an internal inlet/outlet pipe, said first inlet/outlet control valve and said second inlet/outlet control valve are respectively mounted on the left and right sides of the housing, said first inlet/outlet control valve and said second inlet/outlet control valve are respectively mounted on the two side walls, said first inlet/outlet control valve and said second inlet/outlet control valve are connected through the internal inlet/outlet pipe.
5. The geological radar-based detection apparatus of river bed sediment distribution as recited in claim 4, further comprising an external inlet/outlet pipe which passes out of the top of the housing through the air pipe sealing ring and communicates with the internal inlet/outlet pipe.
6. The geological radar-based detection apparatus of river bed sediment distribution according to claim 4, wherein the temperature and pressure acquisition mechanism comprises a temperature sensor and a pressure sensor, which are respectively installed on the left and right sides of the housing.
7. The geological radar-based detection device for river bed sediment distribution according to claim 3, wherein the geological radar detection mechanism is positioned at the lower part of the middle storage cavity and comprises a geological radar antenna, a geological radar antenna fixing frame and a geological radar antenna damping block, the geological radar antenna is fixed on the geological radar antenna fixing frame, and the geological radar antenna fixing frame is fixed on the floor through the geological radar antenna damping block; and a geological radar connecting line sealing interface is arranged at the top of the shell.
8. The geological radar-based detection apparatus of river bed sediment distribution as recited in claim 6, wherein the data acquisition and control lower computer is located at the upper part of the middle storage cavity and is fixed on the partition plate through a controller shock absorption block; a data acquisition and control main line led out from the data acquisition and control lower computer penetrates out of the top of the shell through a data acquisition and control main line sealing ring; the temperature sensor, the pressure sensor, the first water inlet/outlet control valve, the second water inlet/outlet control valve, the first water inlet/outlet control valve and the second water inlet/outlet control valve are all connected with the data acquisition and control lower computer through cables.
9. A detection system of riverbed sediment distribution based on geological radar, which is characterized by comprising the detection device, a ship, a lifting device, a geological radar host and a data acquisition and control upper computer, wherein the detection device, the ship, the lifting device, the geological radar host and the data acquisition and control upper computer are in accordance with any one of claims 1 to 8; elevating gear, geological radar host computer and data acquisition and control host computer all set up on the ship, elevating gear is connected with detecting device, geological radar host computer passes through geological radar connecting wire and geological radar antenna connection, data acquisition and control host computer pass through data acquisition and control thread and are connected with the next machine of data acquisition and control.
10. A detection method of river bed sediment distribution based on geological radar is characterized by comprising the following steps:
selecting a typical river section, and collecting materials of river hydrology and river bed transition;
assembling and debugging a detection device for river bed sediment distribution based on a geological radar;
starting detection work, namely starting the ship to a preset detection position, placing the detection device on the river surface by using a lifting device, opening a water inlet control valve I, a water inlet control valve II, a gas exhaust control valve I and a gas exhaust control valve II, slowly sinking the detection device into the water bottom, opening a geological radar host to start detection, and simultaneously recording the river water temperature and the river bottom water pressure;
after detection is finished, opening a first drainage control valve, a second drainage control valve, a first air inlet control valve and a second air inlet control valve, and slowly floating the detection device to the river surface;
and starting the ship to reach the next preset detection position to start detection until all the preset detection positions are detected.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335961.3A CN111595305A (en) | 2020-04-25 | 2020-04-25 | Geological radar-based detection device, system and method for river bed sediment distribution |
| PCT/CN2021/074115 WO2021212951A1 (en) | 2020-04-25 | 2021-01-28 | Geological radar-based riverbed sediment distribution detection device, system and method |
| AU2021101817A AU2021101817A4 (en) | 2020-04-25 | 2021-04-08 | Device, system and method for detecting distribution of riverbed sediments based on ground penetrating radar |
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| CN202010335961.3A CN111595305A (en) | 2020-04-25 | 2020-04-25 | Geological radar-based detection device, system and method for river bed sediment distribution |
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| Country | Link |
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| CN (1) | CN111595305A (en) |
| AU (1) | AU2021101817A4 (en) |
| WO (1) | WO2021212951A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729403A (en) * | 2020-12-28 | 2021-04-30 | 深圳市宏电技术股份有限公司 | Control device and method for buoyage and buoyage |
| WO2021212951A1 (en) * | 2020-04-25 | 2021-10-28 | 华北水利水电大学 | Geological radar-based riverbed sediment distribution detection device, system and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101295026A (en) * | 2008-06-18 | 2008-10-29 | 上海大学 | Levee intelligent detecting early-warning method based on wireless sensing net |
| CN101723063B (en) * | 2009-12-23 | 2012-05-30 | 南京晨光集团有限责任公司 | Controlled self-lifting floating body |
| CN102288147A (en) * | 2011-05-10 | 2011-12-21 | 大连理工大学 | Device for measuring scouring depth monitored based on active temperature control distributed temperature |
| CN202624586U (en) * | 2012-04-18 | 2012-12-26 | 上海摩威环境科技有限公司 | Online sea water quality monitoring buoy |
| CN105716587B (en) * | 2016-03-22 | 2019-05-21 | 中电科海洋信息技术研究院有限公司 | Waters information monitoring system |
| JP2019078732A (en) * | 2017-10-19 | 2019-05-23 | 株式会社トリマティス | Multifunction lidar for underwater topographic survey |
| CN208567835U (en) * | 2018-08-02 | 2019-03-01 | 宁波市三江河道管理局 | A kind of mechanical device monitoring channel aggradation amount |
| CN111595305A (en) * | 2020-04-25 | 2020-08-28 | 华北水利水电大学 | Geological radar-based detection device, system and method for river bed sediment distribution |
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2020
- 2020-04-25 CN CN202010335961.3A patent/CN111595305A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212951A1 (en) * | 2020-04-25 | 2021-10-28 | 华北水利水电大学 | Geological radar-based riverbed sediment distribution detection device, system and method |
| CN112729403A (en) * | 2020-12-28 | 2021-04-30 | 深圳市宏电技术股份有限公司 | Control device and method for buoyage and buoyage |
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| WO2021212951A1 (en) | 2021-10-28 |
| AU2021101817A4 (en) | 2021-05-27 |
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