CN111879965B - Underground water measuring equipment and method - Google Patents
Underground water measuring equipment and method Download PDFInfo
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- CN111879965B CN111879965B CN202010781773.3A CN202010781773A CN111879965B CN 111879965 B CN111879965 B CN 111879965B CN 202010781773 A CN202010781773 A CN 202010781773A CN 111879965 B CN111879965 B CN 111879965B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
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Abstract
The embodiment of the invention provides underground water measuring equipment and a measuring method, and relates to the technical field of underground water measurement. The measuring device comprises a mounting piece, a first camera, an ultraviolet light source, a direction indicating piece and a first injection piece. First camera shooting piece, ultraviolet source, direction indicator and first injection all set up on the installed part, direction indicator remains unchanged throughout in the final direction of instructing under the quiescent condition, and first injection is used for to await measuring the groundwater injection and contains the liquid of fluorescein, and first camera shooting piece is used for recording liquid and surveys the concrete rivers direction of groundwater that awaits measuring with the contained angle between the direction of instruction through the direction of motion that acquires liquid and direction indicator's the flow condition of groundwater that awaits measuring under ultraviolet source shines. The measuring equipment is simple in structure, the measuring method is convenient and fast, and the flowing direction of the underground water to be measured can be obtained by analyzing the flowing condition of the liquid containing the fluorescein, which is shot by the camera and injected into the underground water to be measured, along with the underground water to be measured.
Description
Technical Field
The invention relates to the technical field of underground water determination, in particular to underground water determination equipment and a determination method.
Background
The groundwater seepage velocity and the groundwater seepage direction are two important dynamic parameters in the research of the groundwater seepage field, and are main parameters for measuring hydrogeological parameters such as the permeability coefficient and the seepage quantity of an aquifer. The traditional method for measuring the flow rate and the flow direction of the groundwater is to arrange drill holes along the flow direction on the basis of knowing the geological conditions of the researched area and the approximate flow direction of the groundwater, and then measure the flow rate of the groundwater through a pumping test. The method has the advantages of large workload, long construction period and complicated process.
At present, devices for measuring the flow rate of a fluid are mainly classified into a mechanical type, a hot wire type, and the like. The device has the disadvantages of complex structure, complex measuring process and low accuracy of the measuring result of the underground water.
Disclosure of Invention
The object of the present invention consists in providing an underground water measuring device and a corresponding measuring method, in order to solve the above technical problems.
The application can be realized as follows:
the application provides groundwater measuring equipment, which comprises a measuring device;
the measuring device comprises a mounting part, a first camera, an ultraviolet light source, a direction indicator and a first injection part for providing liquid containing fluorescein;
first camera shooting piece, ultraviolet source, direction indicator and first injection all set up on the installed part, direction indicator remains unchanged throughout in the final direction of instructing under the quiescent condition, first injection is used for to await measuring the groundwater injection and contains the liquid of fluorescein, first camera shooting piece is used for recording the liquid and along with the flow condition of groundwater that awaits measuring under ultraviolet source shines, with the contained angle between the direction of instruction through the direction of motion that acquires liquid and direction indicator records the concrete rivers direction of groundwater that awaits measuring.
In an alternative embodiment, the injection port of the first injection member is perpendicular to the plane of the direction indicator when determining the direction of the current of the groundwater to be measured.
In an optional embodiment, the measuring device further comprises a first control element, the first camera is rotatably connected with the mounting element and is in electrical signal connection with the first control element, so that after the water flow direction of the groundwater is obtained, the focal length of the first camera is adjusted to the plane where the injection port of the first injection element is located, and the first camera is used for obtaining the moving distance of the new fluorescein-containing liquid injected by the first injection element within the measuring time to measure the specific water flow speed of the groundwater to be measured.
In an optional embodiment, when the flow velocity of the groundwater is measured, the first injection piece is rotatably connected with the mounting piece, the injection direction of the first injection piece is perpendicular to the flow direction of the groundwater to be measured, and the position of the first camera piece is relatively fixed with that of the first injection piece.
In an alternative embodiment, the first camera is a miniature camera.
In an alternative embodiment, the ultraviolet light source is an ultraviolet lamp.
In an alternative embodiment, the direction indicator is a compass.
In an alternative embodiment, the first injection member is a micro-injector.
In an alternative embodiment, the first control member is a motor and the mounting member is provided with a base, the motor being adapted to be mounted to the base.
In an optional embodiment, the groundwater measuring equipment further comprises a second camera and a second injection part, wherein the second camera and the second injection part are arranged on the mounting part and used for providing the liquid containing the fluorescein, the second camera and the second injection part are parallel to each other and are relatively fixed, and the specific water flow velocity of the groundwater to be measured is measured by acquiring the moving distance of the new liquid containing the fluorescein injected by the second injection part in the measuring time through the second camera.
In an alternative embodiment, the measuring device further comprises a second control part, and the second camera is rotatably connected with the mounting part and is in electric signal connection with the second control part so as to control the second camera to be perpendicular to the flow direction of the groundwater to be measured after obtaining the flow direction of the groundwater.
In an alternative embodiment, when the flow velocity of the groundwater is measured, the injection direction of the second injection member is perpendicular to the flow direction of the groundwater to be measured.
In an alternative embodiment, the second camera is a miniature camera.
In an alternative embodiment, the second injection member is a micro-injector.
In an alternative embodiment, the second control member is a motor and the mounting member is provided with a base, the motor being adapted to be mounted to the base.
In an optional embodiment, the groundwater measuring equipment further comprises a positioning assembly, the positioning assembly comprises a first air bag, a second air bag, a first connecting rod and a second connecting rod, the first air bag and the second air bag are arranged oppositely, the mounting piece is arranged between the first air bag and the second air bag, the first air bag and the second air bag are both provided with a through part, the first connecting rod penetrates through the through part of the first air bag and is connected with one side, facing the first air bag, of the mounting piece, and the second connecting rod penetrates through the through part of the second air bag and is connected with one side, facing the second air bag, of the mounting piece.
In an alternative embodiment, the groundwater determination apparatus further comprises a first inflation line and a second inflation line for inflating the first balloon and the second balloon, respectively.
In an alternative embodiment, the first connecting rod is provided with a first passage in the axial direction and a first through hole in the rod wall, the first air bag is provided with a first connecting hole, and the first inflation line passes through the first through hole in the first passage to be connected with the first connecting hole.
In an alternative embodiment, the second connecting rod is provided with a second channel along the axial direction and a second through hole on the rod wall, the second air bag is provided with a second connecting hole, and the second inflation line passes through the second through hole in the second channel and is connected with the second connecting hole.
In an alternative embodiment, the positioning assembly further comprises a pull cord, one end of which passes through the first through hole and is connected with the mounting member.
In an optional embodiment, the positioning assembly further comprises a gravity piece and a connecting rope, one end of the connecting rope passes through the second through hole and is connected with the mounting piece, and the other end of the connecting rope is connected with the gravity piece.
In an alternative embodiment, the measuring device further comprises a signal transmission line, one end of the signal transmission line is used for being connected with an external signal display device, and the other end of the signal transmission line is used for being connected with the camera and the control piece through the first channel.
The application also provides an underground water measuring method, and the specific water flow direction of the underground water to be measured is measured by acquiring the included angle between the movement direction of the liquid injected by the first injection piece and the indication direction of the direction indication piece by adopting the underground water measuring equipment.
In an alternative embodiment, when the measuring device comprises a first control part, the specific water flow direction of the groundwater to be measured is measured by acquiring an included angle between liquid injected by the first injection part and the indication direction of the direction indicator through the first camera; and then adjusting the focal length of the first camera to the plane where the injection port of the first injection piece is located, injecting new liquid containing fluorescein again by the first injection piece, and obtaining the moving distance of the new injected liquid in the determination time through the first camera to measure the specific water flow speed of the underground water to be measured.
In an optional embodiment, when the measuring device comprises a second camera and a second injection part, the specific water flow direction of the groundwater to be measured is measured by acquiring an included angle between liquid injected by the first injection part and the indication direction of the direction indicator through the first camera; and then controlling the camera of the second camera to be vertical to the flow direction of the underground water to be measured, injecting new liquid containing fluorescein by the second injection part, and obtaining the moving distance of the new injected liquid in the measuring time by the second camera to measure the specific water flow speed of the underground water to be measured.
The beneficial effect of this application includes:
the utility model provides a groundwater measuring equipment simple structure, the survey process is convenient, easy operation, the accessible is under ultraviolet source shines, the first piece of making a video recording of analysis is shot pours into the liquid that contains fluorescein in the groundwater that awaits measuring along with the groundwater that awaits measuring the condition that flows into, with the contained angle between the direction of motion of this liquid and the direction indicator's the direction of indication record the concrete rivers direction of groundwater, at this in-process, the direction indicator remains unchanged throughout at the final direction of indication under the quiescent condition, thereby make the survey result have higher accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view showing the structure of a groundwater measuring apparatus according to example 1 of the present application;
fig. 2 is a schematic structural view of a groundwater measuring apparatus according to embodiment 2 of the present application.
Icon: 1-a first balloon; 2-a second balloon; 3-gravity piece; 4-a mounting member; 5-a direction indicator; 6-a first camera; 7-ultraviolet light source; 8-a first injection member; 9-a second camera; 10-a base; 11-a motor; 12-a second injection member; 13-a signal transmission line; 14-a hauling rope; 15-inflation line.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
Referring to fig. 1, the present embodiment provides an underground water measuring apparatus, which includes a measuring device. The left and right vertical lines in this figure represent a single borehole.
The measuring device comprises a mounting member 4, a first camera 6, an ultraviolet light source 7, a direction indicator 5 and a first injection member 8 for supplying a fluorescein containing liquid.
Wherein, first camera shooting piece 6, ultraviolet light source 7, direction indicator 5 and first injection 8 all set up on installed part 4, direction indicator 5 remains unchanged throughout in the final direction of instruction under the quiescent condition, first injection 8 is used for to the groundwater injection that awaits measuring containing the liquid of fluorescein, first camera shooting piece 6 is used for recording liquid and surveys the concrete water flow direction of groundwater that awaits measuring with the contained angle between the direction of instruction of obtaining the direction of motion of liquid and direction indicator 5 along with the groundwater's that awaits measuring under ultraviolet light source 7 shines. It is worth mentioning that the liquid containing fluorescein can emit fluorescence under the irradiation of the ultraviolet light source 7.
In an alternative embodiment, the mounting member 4 may be a rectangular mounting frame including upper and lower rims and left and right rims. The mounting member 4 may be circular, square, diamond, or the like, and preferably has an axisymmetric pattern.
In an alternative embodiment, the first camera 6 may be a miniature camera.
In an alternative embodiment, the ultraviolet light source 7 is an ultraviolet lamp.
In an alternative embodiment, the direction indicator 5 may be a compass, preferably with a fluorescent marker on the pointer for observing the true north during the assay.
In an alternative embodiment, the first injection member 8 is a micro-injector, which may be a manual injection or an automatic injection, and when it is an automatic injection, it may be controlled by a signal command to inject the fluorescein-containing liquid according to the prior art.
Preferably, the volume of the liquid containing fluorescein emerging from the needle tip of the syringe is as small as possible during injection, for example, 0.05-0.3 μ L (preferably 0.1 μ L), so that the injected liquid drop can be taken away by the water flow at one time, thereby ensuring that the liquid containing fluorescein exists in the form of liquid drop in the underground water, and thus the flow condition of the liquid drop can be effectively tracked and obtained, and more accurate measurement results can be obtained.
In some preferred embodiments, the indication direction of the direction indicator 5 is perpendicular to the plane of the injection port of the first injection member 8.
In this embodiment, taking the mounting member 4 as a rectangular mounting frame as an example, the direction indicator 5 and the first injection member 8 may be respectively disposed on the upper frame and the lower frame, for example, the direction indicator 5 is disposed on the lower frame (preferably, disposed in the center of the lower frame), the first injection member 8 is disposed at a position of the upper frame corresponding to the direction indicator 5 (i.e., in the center of the upper frame), and the injection port of the first injection member 8 faces the lower frame. The ultraviolet light source 7 and the first camera 6 are both arranged on the upper frame and face the lower frame.
In the measuring process, the direction indicator 5 (compass) always points to the north, so that the specific water flow direction of the underground water can be measured according to the included angle between the movement direction of the liquid containing the fluorescein and the direction indicator 5.
It is worth to be noted that fluorescein can be coated on the lower frame of the rectangular mounting frame, and the multidimensional flowing direction of the water flow can be measured through the rotation angle of the lower frame by obtaining the included angle between the lower frame and the water flow direction.
Further, in an alternative embodiment, the measuring device may further include a first control element for adjusting the focal length of the first camera 6 to the plane of the injection port of the first injection element 8 after obtaining the water flow direction of the groundwater, and obtaining the moving distance of the new fluorescein-containing liquid injected by the first injection element 8 through the first camera 6 within the measuring time to measure the specific water flow velocity of the groundwater to be measured.
Preferably, when the flow velocity of the groundwater is measured, the first injection piece 8 is rotatably connected with the mounting piece 4, the injection direction of the first injection piece 8 is perpendicular to the flow direction of the groundwater to be measured, and the positions of the first camera 6 and the first injection piece 8 are relatively fixed.
After the specific water flow direction of the groundwater to be measured is measured by acquiring an included angle between liquid injected by the first injection part 8 and the indication direction of the direction indicator 5 through the first camera 6, adjusting the focal length of the first camera 6 to an outlet plane (namely a plane where an injection port is located) of the first injection part 8, re-injecting a new droplet containing fluorescein by the first injection part 8, acquiring a motion path of the new droplet, and calculating the moving distance of the center of the newly injected droplet in the measurement time, thereby acquiring the actual flow speed of the groundwater.
It should be noted that, in the process of measuring the water flow velocity, the first control element and the first camera 6 are both perpendicular to the water flow direction of the groundwater, so that more accurate measurement values can be obtained than other angles.
In an alternative embodiment, the first control member may be a motor 11, the mounting member 4 is provided with a base 10, and the motor 11 is arranged to be mounted on the base 10. As a reference, the base 10 may be disposed at a left side frame of the rectangular mounting frame.
Further, the groundwater measuring equipment in this embodiment further includes a positioning component, the positioning component includes first gasbag 1, second gasbag 2, a first connecting rod and a second connecting rod, first gasbag 1 and second gasbag 2 set up relatively and installation part 4 sets up between first gasbag 1 and second gasbag 2, first gasbag 1 and second gasbag 2 all are equipped with the through portion (preferably, the through portion sets up in the center of first gasbag 1 and the center of second gasbag 2), the first connecting rod runs through the through portion of first gasbag 1 and is connected with one side (the upper frame) of installation part 4 towards first gasbag 1, the second connecting rod runs through the through portion of second gasbag 2 and is connected with one side (the lower frame) of installation part 4 towards second gasbag 2.
Both the first airbag 1 and the second airbag 2 may have a ring shape, and may have other shapes. The first air bag 1 can prevent water on the upper part of the first air bag 1 from flowing downwards after being inflated, and the second air bag 2 can prevent water on the lower part of the second air bag 2 from flowing upwards after being inflated. It is worth mentioning that the diameter of the annular first balloon 1 and the annular second balloon 2 can be the same as the diameter of the underground well, and the annular first balloon and the annular second balloon can abut against the inner wall of the underground well after being inflated.
The end of the first connecting rod used for being connected with the upper frame is also connected with a first fixing piece and a second fixing piece, the other end of the first fixing piece (the end far away from the first connecting rod) is connected with the ultraviolet light source 7 to fix the ultraviolet light source 7, and the other end of the second fixing piece (the end far away from the first connecting rod) is connected with the first camera shooting piece 6 to fix the first camera shooting piece 6.
In an alternative embodiment, the groundwater measuring apparatus further comprises an inflation line 15, the inflation line 15 comprising a first inflation line and a second inflation line for inflating the first balloon 1 and the second balloon 2, respectively.
In an alternative embodiment, the first connecting rod is provided with a first channel along the axial direction and a first through hole on the rod wall, the first airbag 1 is provided with a first connecting hole, and the first inflation line passes through the first through hole in the first channel and is connected with the first connecting hole to inflate the first airbag 1.
In an alternative embodiment, the second connecting rod is provided with a second channel along the axial direction and a second through hole on the rod wall, the second airbag 2 is provided with a second connecting hole, and the second inflation line passes through the second through hole in the second channel and is connected with the second connecting hole to inflate the second airbag 2.
It should be noted that, inflation holes may also be directly formed in the bag walls of the first airbag 1 and the second airbag 2, and the first inflation line and the second inflation line directly inflate the two airbags through the inflation holes.
Further, the positioning assembly further comprises a pulling rope 14, and one end of the pulling rope 14 passes through the first through hole and is connected with the mounting part 4 to play a role of pulling and supporting for the mounting part 4 and the air bag.
Further, the locating component still includes gravity piece 3 (like the gravity hammer) and connects the rope, connects the one end of rope and passes the second through-hole and be connected with installed part 4, connects the other end of rope and is connected with gravity piece 3 in order to avoid the gasbag to aerify the back come-up.
In an alternative embodiment, the measuring device further comprises a signal transmission line 13, one end of the signal transmission line 13 is used for connecting with an external signal display device (such as a computer and the like), and the other end of the signal transmission line 13 is used for connecting with the camera and the control part through the first channel.
As a reference, the signal transmission line 13, the pulling line, the connection string, and the inflation line 15 corresponding to the above-mentioned first and second through holes may be fixed or sealed to the hole wall by a watertight material.
In summary, the steps of measuring groundwater in this embodiment can be referred to as follows:
and (4) lowering the underground water measuring equipment along the well hole to the position of the flow velocity and the flow direction of the water flow to be measured.
The first airbag 1 and the second airbag 2 are inflated by the first inflation line and the second inflation line, respectively, so that groundwater at the upper part of the first airbag 1 and the lower part of the second airbag 2 is prevented from flowing to the middle of the two airbags.
After the groundwater measuring device is stabilized, the pointer of the direction indicator 5 (compass) indicates the true north direction.
The first camera 6 (miniature camera) and the ultraviolet light source 7 (ultraviolet lamp) are started, the first injection part 8 (automatic miniature injector) is started, so that a drop of fluorescein aqueous solution emerges from the needle point of the injector, the drop is as small as possible (such as 0.1 mu L), the drop can be taken away by water flow at one time, and the fluorescein aqueous solution can exist in the form of the drop in underground water.
Under the irradiation of an ultraviolet lamp, the fluorescein liquid drops emit fluorescence, and along with the water flowing to the direction of the compass pointer shot by the micro camera and the flowing direction of the fluorescein liquid drops, the fluorescence is uploaded to an external signal display device (computer), and the underground water direction can be measured. And simultaneously, shooting the image of the lower frame to obtain the included angle between the frame and the water flow direction.
Adjusting the focal length of the first camera 6 to the exit plane of the first injection part 8, injecting new droplets (such as 0.1 μ L) containing fluorescein again, taking multiple pictures within a certain time, uploading the pictures to an external signal display device (computer), wherein the fluorescent droplets will be enlarged continuously due to diffusion, but the centers of the droplets are not changed under low flow rate, so as to obtain the motion path of the shot droplets. The moving distance of the center of the liquid drop in a certain time is measured, and the horizontal flow velocity of the underground water can be measured.
And adjusting the angles of the first injection part 8 and the miniature camera to return to the initial position, turning off the ultraviolet lamp, deflating the first air bag 1 and the second air bag 2, and moving the underground water measuring equipment out of the well.
Example 2
Referring to fig. 2, the present embodiment provides an underground water measuring apparatus, which adds a second camera 9 and a second injection member 12 both disposed on the mounting member 4 and used for providing a liquid containing fluorescein on the basis of embodiment 1, wherein the second camera 9 and the second injection member 12 are parallel to each other and fixed relatively. It should be noted that in this embodiment, the flow direction of the groundwater is measured by combining the first camera 6 and the first injection member 8, and then the second camera 9 acquires the moving distance of the new fluorescein-containing liquid injected by the second injection member 12 within the measurement time to measure the specific water flow velocity of the groundwater to be measured.
As can be seen, the second camera 9 and the second injection member 12 are both disposed on the left frame of the mounting member 4.
The second camera 9 is also referred to as a miniature camera. The second injection member 12 is also a micro-injector, which may be a manual injection or an automatic injection, and when it is an automatic injection, it may be controlled by a signal command to inject the fluorescein-containing liquid according to the prior art. During injection, the volume of the fluorescein-containing liquid emerging from the tip of the syringe needle of the second injection part 12 is also as small as possible, for example, 0.05-0.3 μ L (preferably 0.1 μ L), so that the injected liquid drops can be carried away by the water flow at one time, and the accuracy of the measurement result is improved.
Further, the measuring device further comprises a second control part, and at the moment, the second camera 9 is rotatably connected with the mounting part 4 and is in electrical signal connection with the second control part so as to control the second camera 9 to be vertical to the flow direction of the groundwater to be measured after the water flow direction of the groundwater is obtained. When the flow velocity of groundwater is measured, the injection direction of the second injection member 12 is perpendicular to the flow direction of groundwater to be measured.
In an alternative embodiment, the second control element is also a motor 11, and the left frame of the mounting member 4 is provided with a base 10, to which base 10 the motor 11 as the second control element is mounted.
In summary, the present embodiment measures the specific water flow direction of the groundwater according to the angle between the moving direction of the liquid containing fluorescein injected by the first injection part 8 and the indication direction of the direction indicator 5, which is captured by the first camera 6. The rotation angle of the lower frame covered with fluorescein and the included angle of the water flow direction, which are shot by the first camera 6, are measured, so that the multi-dimensional flow direction of the water flow is measured.
After the water flow direction of the groundwater is known, the second injection part 12 injects a new drop containing fluorescein along the direction vertical to the flow direction of the groundwater to be measured, and the moving distance of the center of the newly injected drop in the measuring time is calculated according to the moving path of the new drop shot by the second camera 9, so that the actual flow speed of the groundwater is obtained.
The measurement procedure of groundwater in this embodiment can be referred to as follows:
and (4) lowering the underground water measuring equipment along the well hole to the position of the flow velocity and the flow direction of the water flow to be measured.
The first airbag 1 and the second airbag 2 are inflated by the first inflation line and the second inflation line, respectively, so that groundwater at the upper part of the first airbag 1 and the lower part of the second airbag 2 is prevented from flowing to the middle of the two airbags.
After the groundwater measuring device is stabilized, the pointer of the direction indicator 5 (compass) indicates the true north direction.
The first camera 6 (miniature camera) and the ultraviolet light source 7 (ultraviolet lamp) are started, the first injection part 8 (automatic miniature injector) is started, so that a drop of fluorescein aqueous solution emerges from the needle point of the injector, the drop is as small as possible (such as 0.1 mu L), the drop can be taken away by water flow at one time, and the fluorescein aqueous solution can exist in the form of the drop in underground water.
Under the irradiation of an ultraviolet lamp, the fluorescein liquid drops emit fluorescence, and along with the water flowing to the direction of the compass pointer shot by the micro camera and the flowing direction of the fluorescein liquid drops, the fluorescence is uploaded to an external signal display device (computer), and the underground water direction can be measured. And simultaneously, shooting the image of the lower frame to obtain the included angle between the frame and the water flow direction.
And (3) according to the measured included angle between the lower frame and the water flow direction, starting the motor 11 of the left frame base 10, and adjusting the angles of the second injection part 12 and the second camera 9 to be vertical to the water flow direction.
The first camera 6 is turned off and the second camera 9 and the uv lamp are turned on.
The automatic injection unit of the second injection member 12 is activated to eject a drop of aqueous fluorescein solution from the tip of the syringe needle, the drop being as small as possible (e.g., 0.1 μ l) so that the drop can be removed by the water stream in a single pass. This allows the aqueous fluorescein solution to be present in the groundwater in the form of droplets.
When a plurality of pictures are taken within a certain period of time and uploaded to a signal display device (computer) outside, the fluorescein droplets will be enlarged continuously due to diffusion, but the centers of the droplets are considered to be unchanged at a low flow rate. Since the distance of the needle tip position of the second injection part 12 with respect to the second camera 9 is fixed, the moving distance of the droplet center in the photograph can be converted into the actual moving distance. The moving distance of the center of the liquid drop in a certain time is measured, and the horizontal flow velocity of the underground water can be measured.
The angle of the second injection member 12 and the second camera 9 is adjusted to return to the initial position. The uv lamp and the second camera 9 are switched off. The first balloon 1 and the second balloon 2 are deflated and the groundwater measuring device is removed from the well.
In conclusion, the groundwater measuring equipment provided by the application is simple in structure, the flowing situation of the liquid containing fluorescein injected into groundwater to be measured and shot by the camera along with groundwater to be measured can be analyzed by the ultraviolet light source 7, the specific water flow direction of groundwater can be measured by the included angle between the liquid and the direction indicator 5, and meanwhile, the specific water flow speed of groundwater can be measured by the moving distance of the liquid containing fluorescein in the measuring time. The measuring process is convenient and fast, the operation is easy, and the accuracy of the measured flow velocity and flow direction result of the underground water is higher.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (23)
1. An underground water measuring apparatus, comprising a measuring device;
the measuring device comprises a mounting part, a first camera, an ultraviolet light source, a direction indicator and a first injection part for providing a liquid containing fluorescein;
the first camera, the ultraviolet light source, the direction indicator and the first injection piece are all arranged on the mounting piece, the final indication direction of the direction indicator under a static condition is always kept unchanged, the first injection piece is used for injecting liquid containing fluorescein into underground water to be detected, the first camera is used for recording the flowing condition of the liquid along with the underground water to be detected under the irradiation of the ultraviolet light source, and the specific water flow direction of the underground water to be detected is measured by acquiring an included angle between the movement direction of the liquid and the indication direction of the direction indicator;
the measuring device further comprises a first control element, the first control element is used for adjusting the focal length of the first camera to the plane where the injection port of the first injection element is located after the water flow direction of the underground water is obtained, and the specific water flow speed of the underground water to be measured is measured by the first camera through obtaining the moving distance of the new liquid containing the fluorescein injected by the first injection element in the measuring time;
the groundwater measuring equipment further comprises a second camera piece and a second injection piece, wherein the second camera piece is arranged on the mounting piece, the second injection piece is used for providing liquid containing fluorescein, the second camera piece and the second injection piece are parallel to each other and are relatively fixed, and the second camera piece is used for acquiring the specific water velocity of the groundwater to be measured by the moving distance of the new liquid containing fluorescein injected by the second injection piece in the measuring time.
2. A groundwater measuring apparatus as claimed in claim 1, wherein the injection port of the first injection member is perpendicular to the plane of the direction indicator when the direction of flow of the groundwater to be measured is measured.
3. A groundwater measuring apparatus according to claim 1 or claim 2, wherein the first injection member is rotatably connected to the mounting member when measuring a flow velocity of the groundwater, an injection direction of the injection member is perpendicular to a flow direction of the groundwater to be measured, and the first imaging member is fixed relative to the first injection member.
4. A groundwater determination apparatus as claimed in claim 3, wherein the first camera is a miniature camera.
5. A groundwater assay apparatus as claimed in claim 3, wherein the ultraviolet light source is an ultraviolet lamp.
6. A groundwater determination device as claimed in claim 3, wherein the direction indicator is a compass.
7. A groundwater assay apparatus as claimed in claim 3, wherein the first injection member is a micro-injector.
8. A groundwater determination apparatus as claimed in claim 3, wherein the first control is a motor and the mounting is provided with a base to which the motor is adapted to be mounted.
9. A groundwater determination apparatus as claimed in claim 1, wherein the determination device further comprises a second control member, the second camera is rotatably connected to the mounting member and is in electrical signal connection with the second control member for controlling the second camera to be perpendicular to the direction of flow of the groundwater to be determined after obtaining the direction of flow of the groundwater.
10. A groundwater measuring apparatus according to claim 9, wherein the injection direction of the second injection member is perpendicular to the flow direction of the groundwater to be measured when measuring the flow velocity of the groundwater.
11. A groundwater measuring apparatus as claimed in claim 9 or claim 10, wherein the second camera is a miniature camera.
12. A groundwater determination apparatus as claimed in claim 9 or claim 10, wherein the second injection member is a micro-injector.
13. A groundwater determination apparatus as claimed in claim 9 or claim 10, wherein the second control is a motor and the mounting is provided with a base, the motor being for mounting to the base.
14. A groundwater measuring apparatus as claimed in claim 1, further comprising a positioning assembly including a first airbag, a second airbag, a first connecting rod and a second connecting rod, the first airbag and the second airbag being disposed opposite to each other with the mounting member disposed therebetween, the first airbag and the second airbag each being provided with a penetrating portion, the first connecting rod penetrating the penetrating portion of the first airbag and being connected with a side of the mounting member facing the first airbag, the second connecting rod penetrating the penetrating portion of the second airbag and being connected with a side of the mounting member facing the second airbag.
15. A groundwater measuring apparatus as claimed in claim 14, further comprising a first inflation line and a second inflation line for inflating the first balloon and the second balloon, respectively.
16. A groundwater measuring apparatus according to claim 15, wherein the first connection rod is provided with a first passage in an axial direction and a first through hole in a rod wall, the first balloon is provided with a first connection hole, and the first inflation line is connected to the first connection hole through the first through hole in the first passage.
17. A groundwater measuring apparatus according to claim 16, wherein the second connection rod is provided with a second passage in the axial direction and a second through hole in the rod wall, the second balloon is provided with a second connection hole, and the second inflation line passes through the second through hole in the second passage to be connected to the second connection hole.
18. A groundwater assay apparatus as claimed in claim 17, wherein the locating assembly further comprises a pull cord having one end passing through the first through hole and connected to the mounting member.
19. A groundwater measuring apparatus according to claim 18, wherein the positioning assembly further comprises a weight member and a connection cord, one end of the connection cord passes through the second through hole and is connected to the mounting member, and the other end of the connection cord is connected to the weight member.
20. A groundwater measuring apparatus as claimed in claim 19, wherein the measuring device further comprises a signal transmission line having one end for connection with an external signal display device and the other end for connection with the camera and the control member through the first passage.
21. A groundwater measuring method characterized in that a groundwater measuring apparatus according to any one of claims 1 to 20 is used to measure a specific water flow direction of groundwater to be measured by obtaining an angle between a moving direction of liquid injected from the first injection member and a direction indicated by the direction indicator.
22. A groundwater measuring method according to claim 21, wherein when the measuring device comprises a first control part, the specific water flow direction of the groundwater to be measured is measured by the first camera shooting part obtaining an included angle between the liquid injected by the first injection part and the indication direction of the direction indicator; and then adjusting the focal length of the first camera to the plane where the injection port of the first injection piece is located, injecting new liquid containing fluorescein again by the first injection piece, and acquiring the moving distance of the new injected liquid in the determination time through the first camera to measure the specific water flow speed of the underground water to be measured.
23. A groundwater measuring method according to claim 22, wherein when the measuring device comprises a second camera and a second injection member, the specific water flow direction of the groundwater to be measured is measured by the first camera acquiring an included angle between the liquid injected by the first injection member and the indication direction of the direction indicator; and then controlling the camera of the second camera to be vertical to the flow direction of the underground water to be measured, injecting new liquid containing fluorescein by the second injection part, and obtaining the moving distance of the new injected liquid in the measuring time by the second camera to measure the specific water flow speed of the underground water to be measured.
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