Water level monitoring device for monitoring underground water level

By using a compact structure and displacement sensor to monitor water levels, combined with photovoltaic power supply, the problem of large size and low accuracy of existing devices has been solved, realizing portable and high-precision water level monitoring.

CN223741699UActive Publication Date: 2025-12-30BEIJING TENGSHENG ZHAOTONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520416546.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2025-12-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing water level monitoring devices are bulky, inconvenient to install and carry, and have low monitoring accuracy.

Method used

It adopts a compact structural design, uses displacement sensors and floating plates to monitor water level changes, combines photovoltaic power supply, maintains the length of the traction rope through a ratchet stop assembly, and transmits signals to a computer through a data acquisition unit.

Benefits of technology

It enables portable and accurate water level monitoring, occupies little wellhead space, can generate water level maps in real time, and provides high-precision water level data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a water level monitoring device for monitoring underground water level, which relates to the technical field of water level monitoring devices and comprises a clamping seat, and a side support is arranged on the inner side of the clamping seat. A square tube is mounted on the side support, and an unwinding wheel is movably connected to the upper end of the square tube; a traction rope is arranged on the unwinding wheel, the lower end of the traction rope is connected with a monitoring assembly, the monitoring assembly is provided with a fixed base, and a guide rod is arranged on the fixed base; the bottom of the guide rod is connected with a floating disc, and the top is fixed with a limiting disc; a displacement sensor is fixed on the limiting disc; according to the utility model, the floating disc floats on the water surface; when the water surface ascends or descends, the floating disc can float up and down according to the change of the water level, the guide rod and the limiting disc drive the displacement sensor to float along with the floating disc, and a displacement change signal generated in the floating process can be transmitted to the data collector in the controller; the data collector can be directly connected with a computer through a wire and transmits a monitoring signal to the computer, so that a water level broken line graph and a column graph can be drawn conveniently.
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Description

Technical Field

[0001] This utility model specifically relates to the technical field of water level monitoring devices, and more specifically to a water level monitoring device for monitoring groundwater levels. Background Technology

[0002] Monitoring groundwater levels helps to understand dynamic changes in groundwater, providing important data for the rational use of water resources and the prevention of geological disasters. A graduated measuring rope is used, with a weight attached to one end. The rope is slowly lowered into the monitoring well. When the weight touches the water surface, the reading corresponding to the scale at the wellhead is recorded; this value represents the depth of the groundwater level relative to the wellhead. This method is simple and low-cost, but its accuracy is limited, generally with errors on the order of centimeters. It is often used for temporary monitoring or preliminary exploration where high precision is not required.

[0003] Chinese Patent Publication No. CN222184751U discloses a groundwater level monitoring device for ecological water levels, relating to the field of groundwater level monitoring technology. This groundwater level monitoring device includes a monitoring well, a pair of fixed seats installed on the ground on both sides of the monitoring well, and a retractable shaft rotatably mounted between the two fixed seats. The retractable shaft is driven by a drive motor, and a pull rope is wound around the retractable shaft. The lower end of the pull rope is connected to a water level gauge, a bottom anti-sway mechanism is connected to the pull rope near the water level gauge, and an end anti-sway mechanism is connected to the pull rope near the retractable shaft.

[0004] The water level monitoring device in the aforementioned patent is bulky, occupying the entire wellhead, making installation and carrying extremely inconvenient; moreover, the monitoring accuracy of water level changes is not high. Utility Model Content

[0005] The purpose of this invention is to provide a water level monitoring device for monitoring groundwater levels. It has a simple structure and small size, which greatly facilitates the carrying and installation of the device. It monitors the water level with high accuracy through a displacement sensor, thereby solving the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A water level monitoring device for monitoring groundwater levels includes a mounting base that is snapped and fixed to the edge of a well, and a side support that is fixed to the inside of the mounting base by bolts; a square tube is installed on the side support, and a unwinding reel is movably connected to the upper end of the square tube; a traction rope is provided on the unwinding reel, and a monitoring component is connected to the lower end of the traction rope.

[0008] The monitoring component has a fixed base with a through hole and a guide rod inside the through hole; a floating plate is connected to the bottom of the guide rod, and a limit plate is fixed to the top of the guide rod; a displacement sensor is fixed to the limit plate; the displacement sensor is electrically connected to the controller.

[0009] As a further technical solution of this utility model, a ratchet stop assembly is provided on the outer side of the unwinding wheel; the traction rope also passes around the outer side of the rotating wheel; the rotating wheel is movably connected to the inside of the square tube through a rotating shaft.

[0010] As a further technical solution of this utility model, the fixed base is fixed to the lower end of the connecting rod by bolts; the upper end of the connecting rod is fixedly connected to the fixed bracket; the fixed bracket and the fixed base are also fixedly connected on both sides by side pull rods.

[0011] As a further technical solution of this utility model, the card holder is arranged in an "n" shape, and two photovoltaic panel brackets are fixed on the top of the card holder; a photovoltaic panel is fixed on the top of the photovoltaic panel bracket; and a controller is fixed on the top of the card holder.

[0012] As a further technical solution of this utility model, the controller has a data acquisition unit and a storage battery inside; the photovoltaic panel is electrically connected to the storage battery; the data acquisition unit is electrically connected to the displacement sensor through a signal line, wherein the displacement sensor is also electrically connected to the storage battery.

[0013] As a further technical solution of this utility model, a counterweight is also threadedly connected to the bottom of the fixed base.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. In this utility model, the floating plate floats on the water surface; when the water level rises or falls, the floating plate will move up and down according to the water level change. The guide rod and the limit plate drive the displacement sensor to float along with it. The displacement change signal generated during the floating process will be transmitted to the data acquisition unit in the controller; the data acquisition unit can be directly connected to the computer through the wire to transmit the monitoring signal to the computer so as to draw the water level line graph and bar graph.

[0016] 2. In this utility model, the unwinding wheel can wind and unwind the traction rope, and the ratchet stop assembly on the outside can lock and fix the unwinding wheel at any time to maintain the length of the traction rope.

[0017] 3. In this utility model, the photovoltaic panel converts light energy into electrical energy and transmits it to the storage battery for storage, providing power for the entire water level monitoring equipment. It has a simple structure and is easy to wire. The entire device is installed on the inner side of the well wall and will not occupy a large space at the well opening. The device is small in size and extremely convenient to carry. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This utility model Figure 1 Another perspective illustration.

[0020] Figure 3 This utility model Figure 1 The main view.

[0021] Figure 4 This utility model Figure 3 AA sectional view.

[0022] Figure 5 This is a schematic diagram of the structure of this utility model in use.

[0023] Figure 6 This utility model Figure 1 A magnified view of a portion of the image.

[0024] Figure 7 This utility model Figure 4 A magnified view of a portion of the image.

[0025] In the diagram: 1-Card holder, 2-Photovoltaic panel bracket, 3-Photovoltaic panel, 4-Controller, 5-Side support, 6-Square tube, 7-Unwinding reel, 8-Roller, 9-Traction rope, 10-Monitoring component, 11-Fixed bracket, 12-Connecting rod, 13-Fixed base, 14-Guide rod, 15-Limiting plate, 16-Displacement sensor, 17-Side tie rod, 18-Floating plate, 19-Flat weight. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-7In this embodiment of the utility model, a water level monitoring device for monitoring groundwater level includes a card seat 1 that is snapped and fixed on the edge of a well, and a side support 5 that is fixed to the inside of the card seat 1 by bolts; a square tube 6 is installed on the side support 5, and a unwinding wheel 7 is movably connected to the upper end of the square tube 6; a traction rope 9 is provided on the unwinding wheel 7, and a monitoring component 10 is connected to the lower end of the traction rope 9.

[0028] The monitoring component 10 has a fixed base 13 with a through hole and a guide rod 14 inside the through hole. A floating plate 18 is connected to the bottom of the guide rod 14, and a limit plate 15 is fixed to the top of the guide rod 14. A displacement sensor 16 is fixed on the limit plate 15. The displacement sensor 16 is electrically connected to the controller 4.

[0029] More specifically, the controller 4 has a data acquisition unit and a battery inside; the photovoltaic panel 3 is electrically connected to the battery; the data acquisition unit is electrically connected to the displacement sensor 16 via a signal line, wherein the displacement sensor 16 is also electrically connected to the battery.

[0030] By adopting the above technical solution, during use, the card holder 1 is first attached to the well edge, and the traction rope 9 on the unwinding reel 7 is released. The fixed base 13 is then suspended in the well by the traction rope 9, ensuring that the fixed base 13 is at a certain distance from the water surface, so that the float 18 floats on the water surface. When the water level rises or falls, the float 18 will float up and down according to the water level change. The guide rod 14 and the limit plate 15 drive the displacement sensor 16 to float along with it. The displacement change signal generated during the floating process will be transmitted to the data acquisition unit in the controller 4. The data acquisition unit can be directly connected to the computer through wires to transmit the monitoring signal to the computer for the drawing of water level line graphs and bar graphs.

[0031] Alternatively, remote data transmission can be achieved through a wireless transmission module or a 4G communication module.

[0032] In this embodiment, a ratchet stop assembly is provided on the outer side of the unwinding wheel 7; the traction rope 9 also passes around the outer side of the rotating wheel 8; the rotating wheel 8 is movably connected to the inside of the square tube 6 via a rotating shaft.

[0033] By adopting the above technical solution, the unwinding wheel 7 can wind and unwind the traction rope 9, and the ratchet stop assembly on the outside can lock and fix the unwinding wheel 9 at any time to maintain the length of the traction rope 9.

[0034] In this embodiment, the fixed base 13 is fixed to the lower end of the connecting rod 12 by bolts; the upper end of the connecting rod 12 is fixedly connected to the fixed bracket 11; the fixed bracket 11 and the fixed base 13 are also fixedly connected on both sides by side pull rods 17. A counterweight 19 is also threadedly connected to the bottom of the fixed base 13.

[0035] The fixed base 13 is fixedly connected to the connecting rod 12 and the fixed bracket 11. With the cooperation of the side tie rod 17, the entire monitoring component 10 is formed. With the cooperation of the counterweight 19, the monitoring component 10 is vertically suspended in the well, and the guide rod 14 can be made to float up and down when the water level changes.

[0036] In this embodiment, the card holder 1 is arranged in an "n" shape, and two photovoltaic panel supports 2 are fixed on the top of the card holder 1; a photovoltaic panel 3 is fixed on the top of the photovoltaic panel support 2; and a controller 4 is fixed on the top of the card holder 1.

[0037] The photovoltaic panel 3 converts light energy into electrical energy and transmits it to the battery for storage, providing power for the entire water level monitoring equipment. It has a simple structure and is easy to wire.

[0038] The entire device is installed on the inside of the well wall, without taking up a large space at the well opening; the device is small in size and extremely easy to carry.

[0039] The working principle of this utility model is as follows: When in use, firstly, the card seat 1 is attached to the well edge, and the traction rope 9 on the unwinding wheel 7 is released. The fixed base 13 is suspended in the well by the traction rope 9, so that the fixed base 13 is a certain distance from the water surface; so that the float 18 floats on the water surface; the ratchet stop assembly set on the outside can lock and fix the unwinding wheel 9 at any time to maintain the length of the traction rope 9.

[0040] When the water level rises or falls, the float 18 will float up and down according to the water level change. The guide rod 14 and the limit plate 15 drive the displacement sensor 16 to float along with it. The displacement change signal generated during the floating process will be transmitted to the data acquisition unit in the controller 4. The data acquisition unit can be directly connected to the computer through the wire to transmit the monitoring signal to the computer so as to draw the water level line graph and bar graph.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the above exemplary embodiments, and that it is made possible without departing from the spirit or essential characteristics of this invention.

[0042] In this case, the present invention can be implemented in other specific forms. Therefore, the embodiments should be considered as exemplary and non-limiting in all respects, and the scope of the present invention is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0043] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A water level monitoring device for monitoring a groundwater level, characterized by: Including the clamping seat (1) that clamps fixed on the well edge, the inner side of clamping seat (1) is fixed with side support (5) through bolt, the side support (5) is installed with square tube (6), the upper end of square tube (6) is movably connected with unwinding wheel (7), the unwinding wheel (7) is equipped with traction rope (9), the lower end of traction rope (9) is connected with monitoring assembly (10). The monitoring assembly (10) has a fixed base (13), a through hole is formed in the fixed base (13), a guide rod (14) is arranged in the through hole, the bottom of the guide rod (14) is connected with a floating disc (18), and a limiting disc (15) is fixed at the top of the guide rod (14), the limiting disc (15) is fixed with a displacement sensor (16), and the displacement sensor (16) is electrically connected with a controller (4).

2. The water level monitoring device for monitoring a ground water level according to claim 1, characterized by: The outer side of the unwinding wheel (7) is provided with a ratchet stop component, the traction rope (9) also passes from the outer side of the runner (8), and the runner (8) is movably connected in the square tube (6) through a rotating shaft.

3. The water level monitoring device for monitoring a ground water level according to claim 1, characterized by: The fixed base (13) is fixed at the lower end of the connecting rod (12) through a bolt, the upper end of the connecting rod (12) is fixedly connected with a fixed clamping frame (11), and the two sides of the fixed clamping frame (11) and the fixed base (13) are further fixedly connected through a side pull rod (17).

4. The water level monitoring device for monitoring a ground water level according to claim 1, characterized by: The clamping seat (1) is arranged in the shape of "n", and two photovoltaic panel supports (2) are fixed at the top of the clamping seat (1), the top of the photovoltaic panel support (2) is fixed with a photovoltaic panel (3), and a controller (4) is fixed at the top of the clamping seat (1).

5. The water level monitoring device for monitoring a ground water level according to claim 4, characterized by: The controller (4) has a data collector and a battery inside, the photovoltaic panel (3) is electrically connected with the battery, the data collector is electrically connected with the displacement sensor (16) through a signal line, and the displacement sensor (16) is also electrically connected with the battery.

6. The water level monitoring device for monitoring a ground water level according to claim 1, characterized by: The bottom of the fixed base (13) is further threadedly connected with a weight (19).

Citation Information

Patent Citations

  • Underground water level monitoring device for ecological water level

    CN222184751U