Real-time water level monitoring pointer

By using a separate chute structure and magnetic drive design for the real-time water level monitoring pointer, the problems of time-consuming, labor-intensive, and inaccurate traditional water level monitoring are solved, achieving efficient and accurate water level monitoring that is suitable for modern automated agriculture.

CN223581132UActive Publication Date: 2025-11-21ROAD & BRIDGE INT CO LTD +1
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Patent Information

Application Number
CN202520010400.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-21
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Traditional water level monitoring methods rely on manual observation, which is time-consuming, labor-intensive, and produces inaccurate data, making it difficult to meet the needs of modern automated agriculture.

Method used

A real-time water level monitoring pointer was designed, which adopts a split chute structure and uses the magnetic transmission of floating blocks and follower blocks to convert water level changes into electrical signals, realizing non-contact monitoring. Combined with integrated design and modular components, the accuracy and timeliness of monitoring are improved.

Benefits of technology

It enables real-time and accurate monitoring of water levels, reduces system complexity and cost, extends equipment life, avoids environmental impact, and improves data reliability and timeliness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of water level monitoring, and discloses a real-time water level monitoring pointer which comprises a positioning rod, and a control assembly and a monitoring assembly which are electrically connected are arranged on the positioning rod. The monitoring assembly comprises a first sliding groove and a second sliding groove which are longitudinally formed in the positioning rod, and the first sliding groove corresponds to the second sliding groove; the first sliding groove communicates with the outside, and the second sliding groove is separated from the outside. A floating block which can sink and float along with the water level is arranged in the first sliding groove, the floating block is in transmission connection with a follow-up block arranged in the second sliding groove, and the follow-up block is in sliding connection with a measuring strip installed in the second sliding groove. The water level monitoring device is compact in structure, high in integration degree and easy and convenient to maintain, can monitor the water level in real time, can accurately record position information of water level changes, and improves timeliness and accuracy of water level information detection. When the water level is monitored, an electronic part is isolated from the outside, the service life of electronic equipment is prolonged, and the stability and durability of the system are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to water level monitoring technical field, especially relate to a real -time water level monitoring pointer. BACKGROUND

[0002] Precise irrigation management is essential to ensure the effect of saline waterlogged field irrigation, and is a necessary condition for supporting high yield of rice.

[0003] In the large-scale and automated production of saline waterlogged field, automated irrigation management is an important part, which requires real-time monitoring of water level. The traditional water level monitoring method mainly depends on manual observation and simple water gauge measurement, which is not only time-consuming and laborious, but also affected by the subjective judgment of the observer, resulting in inaccurate data and slow data updating, which is more difficult to meet the needs of modern automated agriculture.

[0004] Therefore, the present application designs a real-time water level monitoring pointer to solve the above technical problems. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a real-time water level monitoring pointer.

[0006] To achieve the above purpose, the utility model provides a real-time water level monitoring pointer, which comprises a positioning rod positioned and installed at a monitoring site, a control assembly is arranged on the positioning rod, a monitoring assembly for real-time monitoring of water level is arranged in the positioning rod, and the monitoring assembly is electrically connected with the control assembly.

[0007] The monitoring assembly comprises a first sliding groove and a second sliding groove longitudinally arranged in the positioning rod, and the first sliding groove is correspondingly arranged with the second sliding groove; the first sliding groove is communicated with the outside, and the second sliding groove is separated from the outside.

[0008] A floating block that can sink and float with the water level is arranged in the first sliding groove, the floating block is drivingly connected with a follow-up block arranged in the second sliding groove, and the follow-up block is slidingly connected with a measuring strip arranged in the second sliding groove.

[0009] Preferably, the floating block comprises a floating ball floating on the water surface, the floating ball is slidingly arranged in the first sliding groove; a first magnet is arranged on the floating ball, the first magnet is attracted and driven with the follow-up block to drive the follow-up block to slide in the second sliding groove.

[0010] Preferably, the follow-up block comprises a sliding block slidingly connected in the second sliding groove, a conductor block installed on the sliding block is slidingly connected with the measuring strip and conducts electricity; a second magnet is fixedly connected on one side of the sliding block facing the first sliding groove, and the second magnet is arranged to be attracted with the first magnet.

[0011] Preferably, the sliding block is provided with support grooves on both sides, support springs are arranged in the support grooves, the support springs are fixedly connected with support rods which are slidingly connected in the support grooves, one end of the support rod which extends out of the support groove is fixedly connected with a support block, and the support block is in abutment and slidingly arranged with the side wall of the second sliding groove.

[0012] Preferably, the support block is provided with a plurality of rolling wheels on the side facing the second sliding groove, and the rolling wheels roll on the side wall of the second sliding groove.

[0013] Preferably, the conductor block comprises a fixing seat fixedly installed on the sliding block, an installation plate elastically connected on the fixing seat, and an elastic conductive sheet provided in an arc shape and installed on the installation plate, wherein the elastic conductive sheet is slidingly connected with and electrically connected to the measurement strip.

[0014] Preferably, a plurality of jacking grooves are formed in the fixing seat, jacking springs are installed in the jacking grooves, the jacking springs are fixedly connected with jacking rods which are slidingly connected in the jacking grooves, and the jacking rods extend out of the jacking grooves and are fixedly connected with the installation plate.

[0015] Preferably, an installation strip is arranged in the second sliding groove, and the measurement strip is fixedly installed on the installation strip.

[0016] Preferably, the positioning rod comprises a rod body provided with scale lines, the first sliding groove and the second sliding groove are formed in the rod body, a plurality of positioning rings are movably arranged on the rod body, and the control assembly is fixedly installed on the top end of the rod body.

[0017] Preferably, the control assembly comprises a protective box fixedly installed on the top end of the rod body, and the protective box is provided with an electrically connected control module, a power supply module and a remote transmission module.

[0018] Compared with the prior art, the utility model has the advantages and technical effects as follows: the application discloses a real-time water level monitoring pointer, integrates the positioning rod, the control component and the monitoring component as a whole, realizes the high integration and the modularization design, is convenient for installation and maintenance, improves the integration level and the reliability of system, reduces the complexity and the cost of system, the measuring component adopts the separate design, the first sliding groove is communicated with the outside, makes the floating block float on the water surface conveniently, and the second sliding groove is separated from the outside, the inside follow-up block and the floating block realize the direct perception of water level change and the effective isolation of electronic measurement, guarantee the accuracy of measurement, avoid the direct influence of external environment to electronic element, make the monitoring pointer still can keep stable performance under the severe environmental condition, avoid the measurement error caused by long-term immersion, corrosion and other problems in traditional contact type monitoring mode, effectively prolong the service life of equipment, can also avoid the pollution of land caused by the leakage of pollutant in electronic element, the floating block can freely sink and float along with the water level change, and is connected with the follow-up block in the second sliding groove through magnetic transmission, converts physical displacement into electric signal, realizes the non-contact type water level monitoring, can reflect the water level change in real time, improves the timeliness and the accuracy of monitoring.

[0019] The utility model discloses compact structure, the degree of integration is high, and maintenance is simple, can realize the real-time monitoring of water level in saline-alkali water field, can accurately record the position information of water level change, improves the timeliness and the accuracy of water level information detection, when monitoring water level, electronic part is isolated with the outside, prolongs the service life of electronic equipment, improves the stability and durability of system. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are provided to explain the present application and are not meant to limit the present application. In the drawings:

[0021] Figure 1 It is the shaft view of the real-time water level monitoring pointer of the utility model;

[0022] Figure 2 It is the sectional view of the rod body of the utility model;

[0023] Figure 3 It is the utility model Figure 2 It is the partial close-up view of A in the utility model;

[0024] Figure 4 It is the follow-up block structure schematic view of the utility model;

[0025] Figure 5 For the utility model Figure 4 The partial enlarged view of B;

[0026] Figure 6 For the utility model control assembly structure schematic view;

[0027] In the drawing: 1, rod body; 2, rod head; 3, positioning ring; 4, protection box; 5, control module; 6, power supply module; 7, remote transmission module; 8, scale line; 9, locking buckle; 10, first sliding slot; 11, second sliding slot; 12, floating block; 13, follow-up block; 14, measuring strip; 15, floating ball; 16, first magnet; 17, counterweight; 18, sliding block; 19, conductor block; 20, second magnet; 21, support groove; 22, support spring; 23, support rod; 24, support block; 25, rolling wheel; 26, fixed seat; 27, mounting plate; 28, elastic conductive sheet; 29, jacking groove; 30, jacking spring; 31, jacking rod; 32, mounting strip. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0030] Referring to Figures 1-6 The embodiment provides a real-time water level monitoring pointer, which comprises a positioning rod positioned and installed at a monitoring site, a control assembly is arranged on the positioning rod, a monitoring assembly for monitoring a water level in real time is arranged in the positioning rod, and the monitoring assembly is electrically connected with the control assembly.

[0031] The monitoring assembly comprises a first sliding slot 10 and a second sliding slot 11 longitudinally arranged in the positioning rod, and the first sliding slot 10 is correspondingly arranged with the second sliding slot 11; the first sliding slot 10 is communicated with the outside, and the second sliding slot 11 is separated from the outside.

[0032] The first sliding slot 10 is provided with a floating block 12 that can sink and float with the water level, the floating block 12 is in transmission connection with a follow-up block 13 arranged in the second sliding slot 11, and the follow-up block 13 is in sliding connection with a measuring strip 14 arranged in the second sliding slot 11.

[0033] The application discloses a real-time water level monitoring pointer, integrates a positioning rod, a control component and a monitoring component into a whole, realizes high integration and modular design, is convenient to install and maintain, improves the integration and reliability of the system, and reduces the complexity and cost of the system; the measuring component adopts a separated design, a first sliding groove 10 is communicated with the outside, a floating block 12 is conveniently floated on the water surface, a second sliding groove 11 is separated from the outside, a follow-up block 13 in the inside and the floating block 12 realize effective isolation of direct sensing of water level change and electronic measurement, the measuring accuracy is ensured, direct influence of the external environment on electronic elements is avoided, the monitoring pointer can still maintain stable performance under severe environmental conditions, measurement errors caused by long-term immersion and corrosion in a traditional contact type monitoring mode are avoided, the service life of the equipment is effectively prolonged, pollution of land caused by leakage of pollutants in the electronic elements is avoided, the floating block 12 can freely sink and float with the change of the water level, is connected with the follow-up block 13 in the second sliding groove 11 through magnetic transmission, converts physical displacement into an electric signal, realizes non-contact water level monitoring, can reflect the change of the water level in real time, and improves the timeliness and accuracy of monitoring.

[0034] Further optimization scheme, the floating block 12 includes a floating ball 15 floating on the water surface, the floating ball 15 is slidably arranged in the first sliding groove 10; the floating ball 15 is provided with a first magnet 16, the first magnet 16 is attracted and driven with the follow-up block 13, and drives the follow-up block 13 to slide in the second sliding groove 11. The floating ball 15 is made of a material with a specific gravity lighter than water or is hollowly arranged, so that the floating ball 15 can stably float on the water surface and float up and down with the change of the water level; the first magnet 16 is attracted and driven with the follow-up block 13, when the floating ball 15 drives the first magnet 16 to rise and float, in turn drives the follow-up block 13 to slide in the second sliding groove 11, so that the position of the follow-up block 13 on the measuring strip 14 changes, the resistance in the circuit is changed, and conversion from water level change to mechanical movement is realized, providing a basis for subsequent electric signal conversion.

[0035] In one embodiment of the present application, the floating ball 15 is provided with a counterweight 17 on the side wall of the first magnet 16, which matches the weight of the first magnet 16, and in combination with the first sliding groove 10, the balance of the floating block is achieved, and the stability is improved.

[0036] Further optimization, the follow-up block 13 includes a sliding block 18 slidingly connected in the second sliding groove 11, and a conductor block 19 mounted on the sliding block 18 is slidingly connected and conductive with the measuring strip 14; a second magnet 20 is fixedly connected to one side of the sliding block 18 facing the first sliding groove 10 and is attracted to the first magnet 16. The sliding block 18 slides in the second sliding groove 11, and the conductor block 19 is slidingly connected and conductive with the measuring strip 14, so that when the water level changes the position of the floating ball 15, the sliding of the follow-up block 13 driven by the water level can be converted into a change in the electrical signal, thereby realizing quantitative measurement of the water level change, and the measurement accuracy is high, and manual reading of the height change is not required, and the error of manual reading is small.

[0037] Further optimization, the two sides of the sliding block 18 are provided with support grooves 21, the support grooves 21 are provided with support springs 22, the support springs 22 are fixedly connected with support rods 23 slidingly connected in the support grooves 21, one end of the support rods 23 extending out of the support grooves 21 is fixedly connected with support blocks 24, and the support blocks 24 are in abutment and slidingly arranged with the side wall of the second sliding groove 11. The support spring 22 pushes the support rod 23, so that the support block 24 on the support rod 23 abuts against the side wall of the second sliding groove 11 and slides, thereby improving the stability and sliding effect of the sliding block 18. This design helps to reduce friction and resistance during sliding, and improves the accuracy of measurement.

[0038] Further optimization, the side of the support block 24 facing the second sliding groove 11 is provided with a plurality of rolling wheels 25, and the rolling wheels 25 roll on the side wall of the second sliding groove 11. The rolling wheels 25 are arranged on the support block 24, which converts the sliding friction between the support block 24 and the second sliding groove 11 into rolling friction, reduces the friction and wear during sliding, improves the sliding effect and service life, and also reduces the sliding resistance to affect the floating ball 15.

[0039] In one embodiment of the present application, the second magnet 20 does not contact the second sliding groove 11, avoiding the influence of friction.

[0040] In one embodiment of the present application, the positioning rod of the present application is made of a material that does not hinder the propagation of magnetic force and does not react with magnetic force, such as PVC. Those skilled in the art can also choose other materials according to the needs, and the present application does not make any limitation.

[0041] Further optimization scheme, the conductor block 19 includes a fixed seat 26 fixedly installed on the sliding block 18, the fixed seat 26 is elastically connected with a mounting plate 27, the mounting plate 27 is installed with the arc-shaped protruding elastic conductive sheet 28, the elastic conductive sheet 28 is slidably connected with the measuring strip 14 and is conductive.The protruding tip of the arc-shaped protruding elastic conductive sheet 28 is in contact with the measuring strip 14, which reduces the contact area of both under the premise of ensuring conductivity, reduces the friction, improves the accuracy and reliability of measurement;Meanwhile, the mounting plate 27 is elastically mounted on the mounting seat, which can ensure stable contact when worn and prolong the service life.

[0042] Further optimization scheme, the fixed seat 26 is provided with a plurality of jacking grooves 29, the jacking spring 30 is installed in the jacking groove 29, the jacking spring 30 is fixedly connected with the jacking rod 31 slidably connected in the jacking groove 29, the jacking rod 31 extends out of the jacking groove 29 and is fixedly connected with the mounting plate 27.The jacking spring 30 pushes the mounting plate 27 to move towards the measuring strip 14 through the telescopic jacking rod 31, thereby ensuring the stable contact of the elastic conductive sheet 28 and the measuring strip 14, improving the contact pressure and stability between the conductor block 19 and the measuring strip 14, which helps to ensure the accuracy and reliability of measurement, especially in the case of large water level change or harsh environment.

[0043] In an embodiment of the present application, the measuring strip 14 is made of a stable conductor to avoid large changes in its own resistance under different temperature environments, improving the accuracy of measurement.

[0044] Further optimization scheme, the second sliding groove 11 is provided with a mounting strip 32, and the measuring strip 14 is fixedly installed on the mounting strip 32.

[0045] Further optimization scheme, the positioning rod includes a rod body 1 provided with a scale line 8, the first sliding groove 10 and the second sliding groove 11 are formed in the rod body 1, a plurality of positioning rings 3 are movably arranged on the rod body 1, and the control assembly is fixedly installed on the top end of the rod body 1.The measuring strip 14 is attached to the mounting strip 32, and the mounting strip 32 is installed in the second sliding groove 11 by means of bolts or clamping, which can facilitate the replacement and maintenance of the measuring strip 14, and also helps to improve the accuracy and stability of measurement, thereby improving the maintainability and service life of the entire device.

[0046] Further optimization scheme, control assembly includes fixedly installed in the top of the rod body 1 protection box 4, protection box 4 is provided with electrically connected control module 5, power module 6, remote transmission module 7. The rod body 1 is provided with scale line 8 and positioning ring 3, which can indicate the water level change, and the control assembly is arranged at the top of the rod body 1, which is isolated from the water surface, ensuring the stable work of the control module 5; when using, the bottom end of the rod body 1 is inserted into the soil for fixation, the first sliding groove 10 and the second sliding groove 11 are arranged along the rod body 1, and the external water flow enters the first sliding groove 10, drives the internal floating block 12 to rise and fall, and the water level is positioned in real time.

[0047] In an embodiment of the present application, the bottom end of the rod body 1 is provided with a rod head 2, which is designed in a conical shape, facilitating the insertion of the bottom end of the rod body 1 into the ground.

[0048] In an embodiment of the present application, the number of positioning rings 3 on the rod body 1 is not less than four, the lowermost positioning ring 3 can indicate the depth position of the utility model, the lower end thereof is in contact with the ground, which can accurately indicate the depth of the rod body 1 inserted into the ground, facilitating the repeated positioning of the position of the rod body 1 during subsequent monitoring; the two middle positioning rings 3 respectively indicate the low-end suitable water level and the high-end suitable water level in the tracking process of irrigation, and the uppermost positioning ring 3 is used to indicate the maximum allowable water level of the field, when the water level reaches the uppermost positioning ring 3, drainage is needed.

[0049] In an embodiment of the present application, the positioning ring 3 is provided with a locking buckle 9, which can realize the quick separation and locking between the positioning ring 3 and the rod body 1, facilitating the position adjustment of the positioning ring 3.

[0050] The protection box 4 is installed in the positioning hole of the rod body 1, which is used for protecting the other modules inside; the power module 6 is used for supplying power for the work of the device, adopts a rechargeable lithium battery, which can make the device work for a long time without external power supply, and is suitable for field use; the control module 5 is arranged in the loop formed between the elastic conductive sheet 28, the measuring strip 14 and the power module 6, which is used for measuring the current and voltage of the circuit, and then calculating the resistance connected to the circuit, so as to calculate the water level at this time, and the remote transmission module 7 is used for transmitting the measured data to the remote monitoring center in real time, which is convenient for data collection, and the data combination of multiple measuring rods can monitor the water level of the whole saline-alkali field.

[0051] In an embodiment of the present application, the control module 5 selects a PLC circuit board with programming function, which can internally calculate the resistance value algorithm, and convert the circuit change into water level by using the algorithm.

[0052] In an embodiment of the present application, the remote transmission module 7 refers to a device or component capable of transmitting data from one location to another through a network, and in this embodiment, 4G / 5G is used for signal transmission, and the collected data is transmitted to the control center or the designated cloud storage device; at the same time, it can also be positioned through the GPS or Beidou satellite positioning system, and multiple interlocking settings can be used to monitor the water level of the whole saline-alkali field.

[0053] The PLC circuit board, GPS and Beidou satellite positioning system mentioned in the present application are conventional terms in the art, and for the convenience of understanding, the following explanations are given:

[0054] PLC circuit board

[0055] PLC Programmable Logic Controller, Programmable Logic Controller is a digital operation electronic system specially designed for application in industrial environment. It uses a programmable memory to store instructions for logic operation, sequence control, timing, counting and arithmetic operation in its internal storage, and controls various types of mechanical equipment or production process through digital or analog input / output. The PLC circuit board is the core component of such a controller, which integrates processor, memory, input / output interface and other elements, can receive external signals, execute pre-set programs, and output control signals to drive external devices. PLC circuit board has been widely used in industrial automation field due to its high reliability, flexibility, easy programming and maintenance, etc.

[0056] GPS

[0057] GPS Global Positioning System, Global Positioning System is a high-precision radio navigation positioning system based on artificial earth satellites. It is composed of three parts: space part including 24 GPS working satellites and 3 standby satellites, ground control part and user receiver. GPS system uses the radio signals emitted by these satellites to measure the propagation time of the signals from the satellites to the user receiver, and calculates the three-dimensional position of the user receiver, longitude, latitude and height, and time information. GPS has the characteristics of high positioning accuracy, fast speed, wide coverage, etc., and is widely used in military, civilian transportation vehicle navigation, ship positioning, weather forecasting, measurement, geodetic survey, rescue earthquake rescue, sea rescue, outdoor sports hiking, mountaineering, rock climbing, leisure and entertainment outdoor exploration, self-driving tour, etc.

[0058] Beidou satellite positioning system

[0059] The Beidou satellite positioning system is a global satellite navigation system developed by China, and is the third mature satellite navigation system after GPS and GLONASS. The Beidou satellite positioning system is composed of a space segment, a ground segment and a user segment. The space segment includes 55 satellites, of which 5 are geostationary satellites, 30 are non-geostationary satellites including 27 medium circular orbit satellites and 3 inclined geosynchronous orbit satellites, and 5 are test satellites. The Beidou satellite positioning system can provide users with all-weather, all-time, high-precision positioning, navigation and timing services, and has short message communication, satellite-based augmentation, precise point positioning and other characteristic services. The Beidou satellite positioning system has been widely used in transportation, agriculture, forestry and fishery, hydrological monitoring, weather forecasting, surveying and mapping information, disaster relief and reduction, public safety, power dispatching, finance and securities, city management, emergency rescue and other fields, and gradually penetrates into all aspects of people's daily life, and injects new vitality into global economic and social development.

[0060] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0061] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model.

Claims

1. A real-time water level monitoring pointer, characterized in that: The device includes a positioning rod installed at the location to be monitored, a control component on the positioning rod, and a monitoring component for real-time monitoring of water level inside the positioning rod, wherein the monitoring component is electrically connected to the control component. The monitoring component includes a first slide groove (10) and a second slide groove (11) longitudinally formed in the positioning rod, wherein the first slide groove (10) and the second slide groove (11) are correspondingly arranged; the first slide groove (10) is connected to the outside, and the second slide groove (11) is separated from the outside; The first chute (10) is provided with a floating block (12) that can float with the water level. The floating block (12) is connected to a follower block (13) provided in the second chute (11). The follower block (13) is slidably connected to a measuring strip (14) installed in the second chute (11).

2. The real-time water level monitoring pointer according to claim 1, characterized in that: The floating block (12) includes a float (15) floating on the water surface, the float (15) being slidably disposed in the first groove (10); a first magnet (16) is disposed on the float (15), the first magnet (16) engaging and driving the follower block (13) to drive the follower block (13) to slide in the second groove (11).

3. The real-time water level monitoring pointer according to claim 2, characterized in that: The follower block (13) includes a sliding block (18) slidably connected in the second slide groove (11), and a conductor block (19) installed on the sliding block (18) is slidably connected to the measuring strip (14) and conducts electricity; a second magnet (20) is fixedly connected to the side of the sliding block (18) facing the first slide groove (10) and attracted to the first magnet (16).

4. The real-time water level monitoring pointer according to claim 3, characterized in that: The sliding block (18) has support grooves (21) on both sides. A support spring (22) is provided in the support groove (21). The support spring (22) is fixedly connected to a support rod (23) slidably connected in the support groove (21). A support block (24) is fixedly connected to one end of the support rod (23) extending out of the support groove (21). The support block (24) abuts against the side wall of the second sliding groove (11) and is slidably disposed.

5. The real-time water level monitoring pointer according to claim 4, characterized in that: The support block (24) is provided with a plurality of rolling wheels (25) on the side facing the second slide groove (11), and the rolling wheels (25) roll on the side wall of the second slide groove (11).

6. The real-time water level monitoring pointer according to claim 3, characterized in that: The conductor block (19) includes a fixed seat (26) fixedly mounted on the sliding block (18), an mounting plate (27) elastically connected to the fixed seat (26), an elastic conductive sheet (28) with an arc-shaped protrusion mounted on the mounting plate (27), and the elastic conductive sheet (28) slidably connected to the measuring strip (14) and conducting electricity.

7. The real-time water level monitoring pointer according to claim 6, characterized in that: The fixed base (26) is provided with a plurality of tightening grooves (29), and a tightening spring (30) is installed in the tightening groove (29). The tightening spring (30) is fixedly connected to a tightening rod (31) that is slidably connected in the tightening groove (29). The tightening rod (31) extends out of the tightening groove (29) and is fixedly connected to the mounting plate (27).

8. The real-time water level monitoring pointer according to claim 1, characterized in that: An installation strip (32) is provided in the second groove (11), and the measuring strip (14) is fixedly installed on the installation strip (32).

9. The real-time water level monitoring pointer according to claim 1, characterized in that: The positioning rod includes a rod body (1) with scale lines (8), the first slide groove (10) and the second slide groove (11) are formed on the rod body (1), a plurality of positioning rings (3) are movably arranged on the rod body (1), and the control component is fixedly installed on the top of the rod body (1).

10. The real-time water level monitoring pointer according to claim 9, characterized in that: The control assembly includes a protective box (4) fixedly installed at the top of the rod (1), and the protective box (4) is provided with an electrically connected control module (5), a power supply module (6), and a remote transmission module (7).