Intelligent calibration groundwater level dynamic monitoring device

Abstract

The invention discloses an intelligent calibration underground water level dynamic monitoring device, which belongs to the technical field of water level monitoring and comprises a mounting plate, the mounting plate covers the top of a wellhead, and a universal adjusting mechanism is arranged on the mounting plate. The universal adjusting mechanism composed of the boss, the arc-shaped ring groove, the correction ball, the guide groove and the limiting ball is arranged on the mounting plate, accurate vertical correction can be automatically conducted on the radar water level gauge in the equipment using process, the measuring posture deviation caused by inclination and deformation of a monitoring well pipe is effectively avoided, it is ensured that the radar water level gauge always directly faces the liquid level, and the measuring accuracy is improved. Meanwhile, the universal adjusting mechanism and the settlement meter work cooperatively, the settlement meter can accurately capture settlement amount data of a monitoring area while the radar water level gauge completes underground water level measurement by taking an external stable level as a real-time reference datum, and dynamic calibration is performed on a water level measurement result based on the settlement amount; and the overall precision of dynamic monitoring of the underground water level is greatly improved.

Description

Technical Field

[0001] This invention relates to a dynamic water level monitoring device, and more particularly to an intelligent calibrated dynamic groundwater level monitoring device, belonging to the field of water level monitoring technology. Background Technology

[0002] Dynamic monitoring of groundwater levels is a core technical means for hydrogeological exploration, groundwater resource development and management, and geological disaster prevention and control. It is of great significance for understanding the regional hydrogeological change patterns, ensuring the rational use of groundwater resources, and providing early warning of geological problems such as land subsidence. With the development of monitoring technology, automated groundwater level monitoring equipment such as static pressure type, radar type, and ultrasonic type have been widely used in the field of groundwater monitoring. These types of equipment can accurately measure the relative distance between the monitoring instrument and the groundwater surface, meeting the accuracy requirements of groundwater level measurement and realizing continuous and dynamic acquisition of groundwater levels.

[0003] However, in practical engineering applications, especially in areas prone to land subsidence such as groundwater extraction areas and soft soil strata, existing automated monitoring equipment cannot correct for benchmark offset errors caused by subsidence. This leads to systematic errors in the monitoring results, making it difficult to reflect the true changes in groundwater levels. In addition, land subsidence can easily cause tilting and deformation of monitoring well pipes. The mounting brackets of existing monitoring equipment are mostly rigid fixed structures without autonomous attitude adjustment capabilities. When the well pipe deforms, it is difficult to ensure that the measuring equipment is always in a measurement state perpendicular to the water surface. This will cause distance projection errors due to measurement attitude deviations. These errors are superimposed on the subsidence benchmark offset errors, further reducing the overall accuracy of water level monitoring.

[0004] To address this issue, an intelligent calibration groundwater level dynamic monitoring device was designed. Summary of the Invention

[0005] The main objective of this invention is to provide an intelligent calibration device for dynamic groundwater level monitoring. By incorporating a universal adjustment mechanism on the mounting plate, consisting of a boss, an arc-shaped groove, calibration balls, guide grooves, and limiting balls, the device can automatically and accurately calibrate the radar level gauge during operation. This effectively avoids measurement posture deviations caused by tilting or deformation of the monitoring well pipe, ensuring the radar level gauge is always aligned with the liquid surface. Simultaneously, this universal adjustment mechanism works in conjunction with a sedimentation meter. The sedimentation meter uses an external stable level as a real-time reference, accurately capturing sedimentation data of the monitoring area while the radar level gauge measures the groundwater level. Based on this sedimentation, the meter dynamically calibrates the water level measurement results, significantly improving the overall accuracy of dynamic groundwater level monitoring and ensuring that the monitoring data accurately reflects the actual changes in the groundwater level. A transparent protective cover on the top of the mounting plate effectively protects the sedimentation meter and other core monitoring components. To prevent damage to the equipment from external impurities and water erosion, the transparent cover, in conjunction with a cleaning mechanism consisting of a cover plate, driven gear, driving gear, gear ring, turntable, brush plate, impeller, annular groove, and annular plate, enables automatic cleaning of the transparent cover surface. Through the synergistic action of gear transmission and impeller drive, the brush plate efficiently wipes along the transparent cover surface, promptly removing attached dirt, moisture, and other obstructions, ensuring the light transmittance of the transparent cover and ensuring that the sedimentation meter can continuously acquire clear and accurate monitoring signals, providing reliable data support for water level calibration. A lifting rod mechanism consisting of a sleeve, sliding rod, strip groove, slider, and nut provides a flexible and convenient position adjustment scheme for the installation and debugging of the radar water level gauge. By sliding the slider in the strip groove and locking it with the nut, the installation height of the radar water level gauge can be precisely adjusted according to the actual working conditions in the monitoring well, ensuring it is always in the optimal measurement range.

[0006] The objective of this invention can be achieved by adopting the following technical solution: A smart calibration groundwater level dynamic monitoring device includes an installation plate that covers the top of the wellhead and is equipped with a universal adjustment mechanism. The universal adjustment mechanism includes a boss, an arc-shaped groove at the center of the boss, a correction ball is rotatably installed inside the arc-shaped groove, a limit ball is rotatably installed on the inner side of the arc-shaped groove along the circumference, and a guide groove adapted to the limit ball is rotatably installed on the outer side of the correction ball along the circumference, and the limit ball is embedded in the guide groove and slides in cooperation with the guide groove. A suspension rod mechanism is vertically installed at the bottom of the calibration ball. A fixing plate is installed at the bottom of the suspension rod mechanism. A fixing frame is fixed at the bottom of the fixing plate. A radar level gauge is installed on the fixing frame. A settling device is horizontally mounted on the top of the calibration ball. The settling device is covered by a transparent cover, and a cleaning mechanism is provided on the outside of the transparent cover to clean the surface of the transparent cover.

[0007] Preferably, the mounting plate has mounting holes evenly distributed around its outer side, and each mounting hole has a positioning pin inserted into the soil.

[0008] Preferably, the lifting rod mechanism includes a sleeve, a sliding rod, a strip groove, a slider, and a nut. The top of the sleeve is fixedly connected to a correction ball. The sliding rod is vertically slidably installed inside the sleeve. The sleeve has symmetrical vertically opened strip grooves on its side. Sliders are slidably installed inside each strip groove, and each slider is fixedly connected to the sliding rod. A nut is threaded on the outside of the sleeve, and the top of the nut fits against the bottom of the slider.

[0009] Preferably, a protective cylinder is vertically fixed to the bottom of the mounting plate, the outer side of the protective cylinder is in contact with the inner wall of the well, a protective net is provided at the bottom of the protective cylinder, and a counterweight ring is fixed at the bottom of the protective net.

[0010] Preferably, the cleaning mechanism includes a turntable, a brush plate, and a rotating assembly. The turntable is rotatably mounted on the top of the transparent cover. A brush plate is vertically arranged on the outer side of the turntable and fits against the side of the transparent cover. A rotating assembly that drives the turntable to rotate is provided on the top of the transparent cover.

[0011] Preferably, the rotating assembly includes a cover plate, a driven gear, a driving gear, a gear ring, and an impeller. The cover plate is located on top of the transparent cover. The driven gear is rotatably mounted between the bottom of the cover plate and the top of the turntable. The driving gear, which meshes with the driven gear, is rotatably mounted at the middle position of the top of the transparent cover. The top of the gear ring is fixed to the top of the turntable and meshes with the driven gear. An impeller is mounted on the top of the driving gear.

[0012] Preferably, the top of the transparent cover is provided with an annular groove, and an annular plate is rotatably installed inside the annular groove. The top of the annular plate is fixedly connected to the turntable, and the annular plate and the turntable are integrally formed.

[0013] Preferably, the protective cylinder is a transparent cylindrical structure, with the top of the protective cylinder sealed to the bottom of the mounting plate, and the protective cylinder is made of high-strength corrosion-resistant acrylic sheet.

[0014] Preferably, the protective net is made of nylon woven mesh, the outer diameter of the protective net is compatible with the inner diameter of the protective cylinder, the protective net can be detachably installed at the bottom port of the protective cylinder by means of buckles, and the mesh diameter of the protective net is no more than 5mm, and the bottom end of the protective net extends below the water level.

[0015] The beneficial effects of this invention are as follows: This invention provides an intelligent calibration groundwater level dynamic monitoring device. By setting a universal adjustment mechanism on the mounting plate, consisting of a boss, an arc-shaped groove, a calibration ball, a guide groove, and a limiting ball, the device can automatically and accurately calibrate the radar level gauge during use. This effectively avoids measurement posture deviations caused by tilting or deformation of the monitoring well pipe, ensuring that the radar level gauge is always facing the liquid surface. At the same time, the universal adjustment mechanism works in conjunction with a sedimentation meter. The sedimentation meter can use an external stable level as a real-time reference benchmark. While the radar level gauge completes the groundwater level measurement, it accurately captures the sedimentation data of the monitoring area and dynamically calibrates the water level measurement results based on the sedimentation data. This significantly improves the overall accuracy of groundwater level dynamic monitoring and ensures that the monitoring data can truly reflect the actual changes in the groundwater level. A transparent cover is installed on the top of the mounting plate, which can effectively protect the core monitoring components such as the sedimentation meter, preventing damage to the equipment from external impurities and water erosion. At the same time, the transparent cover, together with the cleaning mechanism consisting of a cover plate, driven gear, driving gear, gear ring, turntable, brush plate, impeller, annular slide groove and annular plate, can realize the automatic cleaning function of the surface of the transparent cover. Through the synergistic action of gear transmission and impeller drive, the brush plate drives the surface of the transparent cover to wipe efficiently, remove the attached dirt, water vapor and other obstructions in time, ensure the light transmittance of the transparent cover, and ensure that the sedimentation meter can continuously obtain clear and accurate monitoring signals, providing reliable data support for water level calibration. The suspension mechanism, consisting of a sleeve, sliding rod, strip groove, slider, and nut, provides a flexible and convenient position adjustment solution for the installation and commissioning of the radar water level gauge. By sliding the slider in the strip groove and locking it with the nut, the installation height of the radar water level gauge can be precisely adjusted according to the actual working conditions in the monitoring well, so that it is always in the optimal measurement range. Attached Figure Description

[0016] Figure 1 This is a front sectional view of the present invention; Figure 2 This is a cross-sectional view of the cleaning mechanism of the present invention; Figure 3 This is a diagram of the top structure of the turntable according to the present invention; Figure 4 This is a top structural diagram of the transparent protective cover of the present invention; Figure 5 This is a bottom view of the cover plate of the present invention; Figure 6 This is a cross-sectional view of the mounting plate of the present invention; Figure 7 This is a cross-sectional view of the boom mechanism of the present invention.

[0017] In the diagram: 1. Mounting plate; 2. Boss; 3. Arc-shaped annular groove; 4. Alignment ball; 5. Guide groove; 6. Limiting ball; 7. Lifting rod mechanism; 701. Sleeve; 702. Sliding rod; 703. Strip groove; 704. Sliding block; 705. Nut; 8. Fixing plate; 9. Fixing frame; 10. Radar level gauge; 11. Settlement meter; 12. Transparent protective cover; 13. Cleaning mechanism; 1301. Cover plate; 1302. Driven gear; 1303. Drive gear; 1304. Gear ring; 1305. Turntable; 1306. Brush plate; 1307. Impeller; 1308. Annular groove; 1309. Annular plate; 14. Protective cylinder; 15. Protective net; 16. Counterweight ring. Detailed Implementation

[0018] To enable those skilled in the art to more clearly understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0019] Example 1: As Figures 1-7 As shown, this embodiment provides an intelligent calibration groundwater level dynamic monitoring device, including a mounting plate 1, which covers the top of the wellhead and is equipped with a universal adjustment mechanism. The universal adjustment mechanism includes a boss 2, an arc-shaped groove 3 is provided at the center of the boss 2, a correction ball 4 is rotatably installed inside the arc-shaped groove 3, a limiting ball 6 is uniformly rotatably installed on the inner side of the arc-shaped groove 3 along the circumference, and a guide groove 5 adapted to the limiting ball 6 is uniformly provided on the outer side of the correction ball 4 along the circumference, and the limiting ball 6 is embedded in the guide groove 5 and slides in cooperation with the guide groove 5. A suspension rod mechanism 7 is vertically installed at the bottom of the calibration ball 4. A fixing plate 8 is installed at the bottom of the suspension rod mechanism 7. A fixing frame 9 is fixed at the bottom of the fixing plate 8. A radar level gauge 10 is installed on the fixing frame 9. A settling device 11 is horizontally mounted on the top of the calibration ball 4. A transparent cover 12 is provided on the outside of the settling device 11. A cleaning mechanism 13 is provided on the outside of the transparent cover 12. The cleaning mechanism 13 is used to clean the surface of the transparent cover 12.

[0020] Overall working principle: Before installation, the length of the boom mechanism 7 is adjusted to ensure that the radar water level gauge 10 is stably in the optimal measurement range. Then, the mounting plate 1 is placed on the top of the wellhead, and the positioning pins in the mounting holes evenly opened on its outer circumference are inserted into the soil to firmly fix the mounting plate 1, providing a stable installation foundation for the entire device. During use, under the action of gravity, the calibration ball 4 automatically adjusts its posture and always remains vertical, thereby driving the vertically installed bottom rod mechanism 7, fixing plate 8, fixing frame 9 and radar water level gauge 10 to remain vertical simultaneously. This effectively avoids measurement posture deviation caused by tilting or deformation of the monitoring well pipe, ensuring that the radar water level gauge 10 is always facing the groundwater surface, providing posture assurance for the measurement of the original water level data. In addition, the settlement meter 11 uses an external stable level as a real-time reference benchmark. While the radar water level gauge 10 measures the original water level data, it accurately captures the settlement data of the monitoring area. Through a preset calibration algorithm, the settlement data and the original water level data are fused and calculated to dynamically correct the benchmark offset error caused by settlement, greatly improving the accuracy of groundwater level monitoring and ensuring that the data truly reflects the actual water level change status. When dirt, moisture, or other obstructions adhere to the surface of the transparent cover 12, the cleaning mechanism 13 automatically starts working to wipe away the obstructions, ensuring the light transmittance of the transparent cover 12 and ensuring that the sedimentation meter 11 continuously obtains clear and accurate monitoring signals, providing reliable data support for water level calibration.

[0021] Example 2: The solution in Example 1 will be further described below with reference to its specific working method. See the description below for details: In this embodiment, mounting holes are evenly provided on the outer side of the mounting plate 1 along the circumference, and each mounting hole is provided with a positioning pin that can be inserted into the soil.

[0022] Local working principle: After the positioning pin is inserted into the soil, the mounting plate 1 is firmly fixed to the top of the wellhead through the fastening action with the soil, which restricts the horizontal displacement and vertical sway of the mounting plate 1 and avoids the overall displacement of the device from affecting the monitoring accuracy.

[0023] In this embodiment, the lifting rod mechanism 7 includes a sleeve 701, a sliding rod 702, a strip groove 703, a slider 704, and a nut 705. The top end of the sleeve 701 is fixedly connected to the correction ball 4. The sliding rod 702 is vertically slidably arranged inside the sleeve 701. The side of the sleeve 701 is symmetrically vertically provided with strip grooves 703. The sliders 704 are slidably arranged inside the strip grooves 703, and the sliders 704 are all fixedly connected to the sliding rod 702. The nut 705 is threadedly installed on the outside of the sleeve 701, and the top of the nut 705 fits against the bottom of the slider 704.

[0024] Local working principle: During adjustment, push the slide rod 702 to drive the slider 704 to slide up and down along the strip groove 703. After the radar level gauge 10 reaches the preset height, rotate the nut 705 to move upward along the outer thread of the sleeve 701 until the top of the nut 705 is tightly fitted with the bottom of the slider 704. The position of the slider 704 and the slide rod 702 is locked by friction, so as to achieve precise fixation of the installation height of the radar level gauge 10.

[0025] In this embodiment, a protective cylinder 14 is vertically fixed at the bottom of the mounting plate 1. The outer side of the protective cylinder 14 is in contact with the inner wall of the well. A protective net 15 is provided at the bottom of the protective cylinder 14, and a counterweight ring 16 is fixed at the bottom of the protective net 15.

[0026] Local working principle: The protective cylinder 14 is vertically fixed to the bottom of the mounting plate 1, and its outer side is in contact with the inner wall of the well to form a closed protective space, which prevents impurities, rocks and other debris from falling off the well wall from entering the interior and avoids damage to or interference with the radar level gauge 10. The protective net 15 can also prevent debris from falling. The counterweight ring 16 at the bottom of the protective net 15 uses its own weight to keep the protective net 15 in an unfolded state and extend it below the water level to ensure that the protection range covers the measurement area of ​​the radar level gauge 10.

[0027] In this embodiment, the cleaning mechanism 13 includes a turntable 1305, a brush plate 1306, and a rotating assembly. The turntable 1305 is rotatably mounted on the top of the transparent cover 12. The brush plate 1306 is vertically arranged on the outer side of the turntable 1305 and fits against the side of the transparent cover 12. The top of the transparent cover 12 is provided with a rotating assembly that drives the turntable 1305 to rotate.

[0028] Local working principle: The rotating component provides rotational power to the turntable 1305, driving the turntable 1305 to move the brush plate 1306 in a circular motion along the surface of the transparent cover 12. The friction between the brush plate 1306 and the surface of the cover wipes away the attached dirt, water vapor and other obstructions, ensuring the light transmission performance of the transparent cover 12 and ensuring that the monitoring signal of the settling meter 11 is not blocked.

[0029] In this embodiment, the rotating assembly includes a cover plate 1301, a driven gear 1302, a driving gear 1303, a gear ring 1304, and an impeller 1307. The cover plate 1301 is located on top of the transparent cover 12. The driven gear 1302 is rotatably mounted between the bottom of the cover plate 1301 and the top of the turntable 1305. The driving gear 1303, which meshes with the driven gear 1302, is rotatably mounted at the middle position of the top of the transparent cover 12. The top of the gear ring 1304 is fixed to the top of the turntable 1305, and the gear ring 1304 meshes with the driven gear 1302. The impeller 1307 is mounted on the top of the driving gear 1303.

[0030] Local working principle: When natural wind acts on the impeller 1307, it drives the impeller 1307 to rotate, which in turn drives the drive gear 1303 to rotate synchronously; the drive gear 1303 meshes with the driven gear 1302, driving the driven gear 1302 to rotate; the driven gear 1302 then meshes with the gear ring 1304 fixed on the top of the turntable 1305, transmitting power to the turntable 1305, realizing the deceleration and smooth rotation of the turntable 1305, ensuring that the brush plate 1306 wipes evenly and efficiently.

[0031] In this embodiment, the top of the transparent cover 12 is provided with an annular groove 1308, and an annular plate 1309 is rotatably installed inside the annular groove 1308. The top of the annular plate 1309 is fixedly connected to the turntable 1305, and the annular plate 1309 and the turntable 1305 are integrally formed.

[0032] Local working principle: The annular plate 1309 is embedded in the annular groove 1308, which restricts the vertical displacement of the turntable 1305 and reduces the friction when the turntable 1305 rotates, ensuring that the turntable 1305 always rotates smoothly around the central axis of the transparent cover 12, avoiding misalignment and friction between the brush plate 1306 and the surface of the transparent cover 12, and ensuring the wiping effect and the service life of the device.

[0033] In this embodiment, the protective cylinder 14 is a transparent cylindrical structure, and the top of the protective cylinder 14 is sealed to the bottom of the mounting plate 1. The protective cylinder 14 is made of high-strength corrosion-resistant acrylic sheet.

[0034] Local working principle: The protective cylinder 14 is made of high-strength corrosion-resistant acrylic plate, which has sufficient structural strength to resist the squeezing of the well wall and the collision of impurities, and has good corrosion resistance to adapt to the harsh environment of damp and water-rich underground. The top of the protective cylinder 14 is sealed to the bottom of the mounting plate 1 to prevent water from entering the interior of the protective cylinder 14 from the top gap and to prevent the radar level gauge 10 from being eroded by water.

[0035] In this embodiment, the protective net 15 is a nylon woven net, the outer diameter of the protective net 15 is adapted to the inner diameter of the protective cylinder 14, the protective net 15 is detachably installed at the bottom port of the protective cylinder 14 by means of a buckle, and the mesh diameter of the protective net 15 is no more than 5mm, and the bottom end of the protective net 15 extends below the water level.

[0036] Local working principle: The snap-on connection makes the protective net 15 easy to disassemble. When the protective net 15 is blocked or damaged by impurities, it can be quickly disassembled for cleaning or replacement. The bottom of the protective net 15 extends below the water level, forming all-round protection for the measurement area of ​​the radar water level gauge 10, preventing impurities in the water from contacting the measuring probe of the radar water level gauge 10 and ensuring measurement accuracy.

[0037] Example 3: The solutions in Example 1 and Example 2 will be further described below with reference to their specific working methods. See the description below for details: Installation and Fixing Stage: First, based on the actual working conditions inside the monitoring well, the mounting plate 1 is placed over the top of the wellhead. The positioning pins in the evenly spaced mounting holes on its outer side are inserted into the soil. The positioning pins and the soil fasten each other, limiting the horizontal displacement and vertical sway of the mounting plate 1, thus firmly fixing the mounting plate 1 and providing a stable reference for the entire device. At the same time, the protective cylinder 14 at the bottom of the mounting plate 1 is placed inside the well along with the mounting plate 1. Its outer side fits against the inner wall of the well to form a closed protective space, and its top is sealed to the bottom of the mounting plate 1 to prevent water from entering through the gaps. A nylon woven protective net 15 is installed at the bottom of the protective cylinder 14 by a snap fastener. The outer diameter of the protective net 15 matches the inner diameter of the protective cylinder 14, and the mesh diameter is no more than 5mm. The counterweight ring 16 at the bottom uses its own weight to keep the protective net 15 in an unfolded state and extend below the water level, blocking impurities on the well wall and suspended debris in the water from contacting the radar level gauge 10, ensuring the safety of the measuring components.

[0038] Height adjustment stage: Pushing the slide rod 702 causes the sliders 704 on both sides to slide up and down along the strip groove 703 on the side of the sleeve 701, thereby adjusting the length of the slide rod 702 extending out of the sleeve 701. When the radar level gauge 10 reaches the preset optimal measurement range, rotate the nut 705 on the outside of the sleeve 701, so that it moves upward along the thread until the top is tightly fitted with the bottom of the slider 704. The position of the slider 704 and the slide rod 702 is locked by friction, so as to achieve precise fixation of the installation height of the radar level gauge 10 and ensure that it is in the best measurement state.

[0039] Attitude correction stage: After the device is put into use, the boss 2 is fixed on the mounting plate 1. The arc-shaped groove 3 at its center provides rotation space for the correction ball 4. The guide groove 5 on the outside of the correction ball 4 and the limiting ball 6 on the inside of the arc-shaped groove 3 slide together, which not only restricts the axial displacement of the correction ball 4, but also ensures its flexible rotation. Under the action of gravity, the correction ball 4 automatically adjusts its attitude and always remains vertical, thereby driving the bottom vertically connected hanging rod mechanism 7, fixing plate 8, fixing frame 9 and radar water level gauge 10 to remain vertical at the same time. This effectively avoids the measurement attitude deviation caused by the tilting and deformation of the monitoring well pipe, and ensures that the radar water level gauge 10 is always facing the groundwater surface, providing reliable attitude guarantee for the measurement of the original water level data.

[0040] Water level data calibration stage: The radar water level gauge 10 measures the relative distance to the groundwater surface in real time to obtain the original water level data. At the same time, the settlement meter 11, which is horizontally installed at the top of the calibration ball 4, uses the external stable level as the real-time reference benchmark to accurately capture the settlement data of the monitoring area. Through the preset calibration algorithm built into the device, the settlement data and the original water level data are fused and calculated to dynamically correct the benchmark offset error caused by settlement. This completely solves the measurement accuracy problem caused by the superposition of benchmark offset and attitude deviation in traditional equipment, and ensures that the output data truly reflects the actual change state of the groundwater level.

[0041] Protection and Cleaning Phase: When dirt, moisture, or other obstructions adhere to the surface of the transparent cover 12, the cleaning mechanism 13 automatically starts working. Natural wind acts on the impeller 1307, driving it to rotate and simultaneously rotating the drive gear 1303 at the bottom. The drive gear 1303 meshes with the driven gear 1302 between the bottom of the cover plate 1301 and the top of the turntable 1305, driving the driven gear 1302 to rotate. The driven gear 1302 then meshes with the gear ring 1304 fixed to the top of the turntable 1305, transmitting power to the turntable 1305, thus rotating the turntable 1305. The 5-axis deceleration and smooth rotation are achieved during this process. The annular plate 1309 in the annular groove 1308 at the top of the transparent cover 12 rotates synchronously with the turntable 1305. This restricts the vertical displacement of the turntable 1305 and reduces rotational friction, ensuring that the turntable 1305 rotates smoothly around the central axis of the transparent cover 12. This, in turn, drives the brush plate 1306, which is attached to the side of the transparent cover 12, to wipe the surface of the cover efficiently, remove obstructions in time, ensure the light transmittance of the transparent cover 12, and ensure that the sedimentation meter 11 continuously obtains clear and accurate monitoring signals, providing stable and reliable data support for water level calibration.

[0042] The above description is merely a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope disclosed in the present invention, based on the technical solution and concept of the present invention, shall fall within the scope of protection of the present invention.

Claims

1. A smart calibration groundwater level dynamic monitoring device, comprising a mounting plate (1), characterized in that: The mounting plate (1) covers the top of the wellhead, and the mounting plate (1) is equipped with a universal adjustment mechanism; The universal adjustment mechanism includes a boss (2), an arc-shaped groove (3) is provided at the center of the boss (2), a correction ball (4) is rotatably installed inside the arc-shaped groove (3), a limiting ball (6) is uniformly rotatably installed on the inner side of the arc-shaped groove (3) along the circumference, and a guide groove (5) adapted to the limiting ball (6) is uniformly provided on the outer side of the correction ball (4) along the circumference, and the limiting ball (6) is embedded in the guide groove (5) and slides in cooperation with the guide groove (5); A suspension rod mechanism (7) is vertically installed at the bottom of the calibration ball (4). A fixing plate (8) is installed at the bottom of the suspension rod mechanism (7). A fixing frame (9) is fixed at the bottom of the fixing plate (8). A radar water level gauge (10) is installed on the fixing frame (9). A settling device (11) is horizontally mounted on the top of the calibration ball (4). The settling device (11) is covered with a transparent cover (12). A cleaning mechanism (13) is provided on the outside of the transparent cover (12). The cleaning mechanism (13) is used to clean the surface of the transparent cover (12).

2. The intelligent calibration groundwater level dynamic monitoring device according to claim 1, characterized in that: The mounting plate (1) has mounting holes evenly distributed around its outer side, and each mounting hole has a positioning pin inserted into the soil.

3. The intelligent calibration groundwater level dynamic monitoring device according to claim 1, characterized in that: The lifting rod mechanism (7) includes a sleeve (701), a sliding rod (702), a strip groove (703), a slider (704), and a nut (705). The top of the sleeve (701) is fixedly connected to the correction ball (4). The sliding rod (702) is vertically slidably arranged inside the sleeve (701). The side of the sleeve (701) is symmetrically vertically provided with strip grooves (703). The sliders (704) are slidably arranged inside the strip grooves (703), and the sliders (704) are all fixedly connected to the sliding rods (702). The nut (705) is threaded on the outside of the sleeve (701). The top of the nut (705) is in contact with the bottom of the slider (704).

4. The intelligent calibration groundwater level dynamic monitoring device according to claim 1, characterized in that: The bottom end of the mounting plate (1) is vertically fixed with a protective cylinder (14). The outer side of the protective cylinder (14) is in contact with the inner wall of the well. The bottom of the protective cylinder (14) is provided with a protective net (15), and the bottom of the protective net (15) is fixed with a counterweight ring (16).

5. The intelligent calibration groundwater level dynamic monitoring device according to claim 1, characterized in that: The cleaning mechanism (13) includes a turntable (1305), a brush plate (1306) and a rotating assembly. The turntable (1305) is rotatably mounted on the top of the transparent cover (12). The brush plate (1306) is vertically arranged on the outside of the turntable (1305) and fits against the side of the transparent cover (12). The top of the transparent cover (12) is provided with a rotating assembly that drives the turntable (1305) to rotate.

6. The intelligent calibration groundwater level dynamic monitoring device according to claim 5, characterized in that: The rotating assembly includes a cover plate (1301), a driven gear (1302), a driving gear (1303), a gear ring (1304), and an impeller (1307). The cover plate (1301) is located on top of the transparent cover (12). The driven gear (1302) is evenly mounted between the bottom of the cover plate (1301) and the top of the turntable (1305). The driving gear (1303) is rotatably mounted at the middle position of the top of the transparent cover (12) and meshes with the driven gear (1302). The top of the gear ring (1304) is fixed to the top of the turntable (1305) and meshes with the driven gear (1302). The impeller (1307) is mounted on the top of the driving gear (1303).

7. The intelligent calibration groundwater level dynamic monitoring device according to claim 5, characterized in that: The top of the transparent cover (12) is provided with an annular groove (1308), and an annular plate (1309) is rotatably installed inside the annular groove (1308). The top of the annular plate (1309) is fixedly connected to the turntable (1305). The annular plate (1309) and the turntable (1305) are integrally formed.

8. The intelligent calibration groundwater level dynamic monitoring device according to claim 4, characterized in that: The protective cylinder (14) is a transparent cylindrical structure. The top of the protective cylinder (14) is sealed to the bottom of the mounting plate (1). The material of the protective cylinder (14) is a high-strength corrosion-resistant acrylic plate.

9. The intelligent calibration groundwater level dynamic monitoring device according to claim 4, characterized in that: The protective net (15) is a nylon woven net. The outer diameter of the protective net (15) is compatible with the inner diameter of the protective cylinder (14). The protective net (15) can be detachably installed at the bottom port of the protective cylinder (14) by means of a buckle. The mesh diameter of the protective net (15) is no more than 5mm. The bottom end of the protective net (15) extends to below the water level.

Images