River pollution automatic identification device

By introducing net cages, floats, ropes, and various water quality sensors into the river pollution identification device, combined with servo motors and CNN networks, the problem that existing devices cannot comprehensively determine the type of pollution has been solved, and extensive and accurate pollutant monitoring has been achieved.

CN223955568UActive Publication Date: 2026-02-27ANHUI UNIV OF SCI & TECH GUOZHEN INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202520502367.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-27
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing river pollution identification devices lack the ability to comprehensively determine the type of pollution, are easily affected by floating objects and water flow, require frequent maintenance, have a small monitoring range, and produce inaccurate results.

Method used

It adopts a cage structure combined with floats and ropes, integrates multiple water quality sensors and servo motor-driven camera scanning, combines CNN convolutional neural network for automatic classification of pollution types, and uses a pneumatic fan to adjust the movement path of the device to achieve automatic identification and isolation of pollutants.

Benefits of technology

It enables automatic identification and classification of pollutants in rivers, with a wide detection range and accurate results, reducing equipment damage and maintenance frequency, and improving the comprehensiveness and accuracy of monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic river pollution identification device which comprises a mesh cage, the center of a top disc is fixedly connected with a stand column, the outer side of the edge of a fluted disc is provided with a moving part, the bottom end of the moving part is fixedly provided with an identification camera, the inner side of a fixing ring is fixedly provided with a water quality monitoring sensor, and the water quality monitoring sensor is fixedly connected with a water outlet. A buoy is mounted on the outer side of the fixed rod, movement of the recognition camera is realized through a fluted disc-moving part mechanism driven by a servo motor, and a 120-degree visual angle scanning range is constructed; five types of water quality sensors (pH / DO / turbidity / conductivity / residual chlorine) are integrated, so that various indexes of surface water environment quality can be detected; establishing a pollution feature library based on a CNN convolutional neural network to realize automatic classification of pollution types; the floating barrel and net cage composite structure is adopted, the movement path of the device is adjusted through the pneumatic fan, the rope can delineate the movement range, and the device achieves automatic pollutant identification, pollutant isolation and comprehensive detection of the river pollution type and is convenient to use and accurate in detection.
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Description

TECHNICAL FIELD

[0001] The utility model relates to environmental monitoring technical field, concretely related to a river pollution automatic identification device. BACKGROUND

[0002] In the patent with the announcement number CN 217717547 U discloses a kind of river lake pollutant automatic identification device, the utility model includes support, support top end fixed installation has top disc, top disc top end fixed installation has extension shaft, the top end of extension shaft is fixedly connected with unloading seat, the inner wall of mounting seat is slidably connected with pollutant identification camera, the bottom of support is fixedly installed with bottom disc, the bottom of bottom disc is fixedly installed with drill bit, the outer of support is movably connected with movable disc, the utility model is cooperated by setting movable disc, boss, top disc, groove and touch button, by movable disc floating on water surface, when water surface rises, movable disc is driven to rise, further drive boss and the touch button contact of groove inner wall, trigger alarm, alarm runs and issues warning, reach the effect of reminding nearby staff water surface rises, so that nearby personnel can quickly arrive, avoid the damage condition caused by water source submerging pollutant identification camera, reach the effect of warning.

[0003] The above device uses a single method for pollution identification, does not have a water quality sensor, and cannot comprehensively determine the pollution type (such as chemical pollution, eutrophication, and oil film pollution). The floating object and water flow impact can easily cause the sensor to fail, and the maintenance frequency is high. The above device does not have the ability to move within the range, and the monitoring range is small and the monitoring result is not accurate.

[0004] For the problems in the related art, there is no effective solution at present. SUMMARY

[0005] To overcome the above technical problems existing in the prior art, the utility model provides a river pollution automatic identification device.

[0006] Therefore, the utility model adopts the following specific technical solutions:

[0007] A river pollution automatic identification device includes a net cage, a top disc is fixedly connected to the top end of the net cage, a vertical column is fixedly connected to the center of the top disc, a toothed disc is fixedly connected to the upper end of the vertical column, a moving piece is installed on the outer side of the edge of the toothed disc, an identification camera is fixedly installed on the bottom end of the moving piece, a fixed ring is fixedly connected to the lower end of the vertical column through a connecting rod, a water quality monitoring sensor is fixedly installed on the inner side of the fixed ring, a fixed rod is fixedly connected to the top end edge of the top disc, and a buoy is installed on the outer side of the fixed rod.

[0008] As a further scheme of the present utility model, the bottom end of the net cage is fixedly connected with a bottom hole disc.

[0009] As a further scheme of the present utility model, the top end of the stand is fixedly connected with a rope.

[0010] As a further scheme of the present utility model, the inner side of the edge of the tooth disc is equipped with a sliding groove, and the inner side of the moving piece is fixedly connected with a sliding strip.

[0011] As a further scheme of the present utility model, the top end of the moving piece is fixedly connected with a servo motor, the end of the main shaft of the servo motor is fixedly connected with a pinion, and the pinion is in meshing connection with the tooth disc.

[0012] As a further scheme of the present utility model, the inner side of the end of the float is fixedly installed with a pneumatic fan, and the top of the end of the float is equipped with an air hole.

[0013] As a further scheme of the present utility model, the water quality monitoring sensor comprises a pH sensing probe, a fluorescent method dissolved oxygen sensing probe, an optical method turbidity sensing probe, a four-electrode conductivity sensing probe and a residual chlorine sensing probe.

[0014] As a further scheme of the present utility model, the inner side of the net cage is installed with an ultrasonic oscillator.

[0015] The present utility model has the advantages that:

[0016] The tooth disc-moving piece mechanism driven by the servo motor realizes the movement of the recognition camera, constructs a 120° visual angle scanning range, integrates five types of water quality sensors (pH / DO / turbidity / conductivity / residual chlorine), can detect various indexes of the surface water environment quality, establishes a pollution feature library based on the CNN convolutional neural network, realizes automatic classification of the pollution type, adopts the float+net cage composite structure, adjusts the movement path through the pneumatic fan adjusting device, the rope can enclose the movement range, the device realizes automatic recognition of the pollutants, isolation of the pollutants and comprehensive detection of the river pollution type, is convenient to use and accurate in detection. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

[0018] Figure 1 It is a whole structure schematic view of a river pollution automatic recognition device according to the embodiment of the present utility model.

[0019] Figure 2 It is a whole structure schematic view of a net cage of a river pollution automatic identification device according to an embodiment of the utility model;

[0020] Figure 3 It is a whole structure schematic view of a bottom hole disc of a river pollution automatic identification device according to an embodiment of the utility model;

[0021] Figure 4 It is a position schematic view of a tooth disc and a gear of a river pollution automatic identification device according to an embodiment of the utility model;

[0022] Figure 5 It is a mounting schematic view of a water quality monitoring sensor of a river pollution automatic identification device according to an embodiment of the utility model.

[0023] In the drawing:

[0024] 1, net cage;2, top disc;3, bottom hole disc;4, stand;5, fixed rod;6, buoy;7, pneumatic fan;8, tooth disc;9, controller;10, rope;11, moving piece;12, identification camera;13, servo motor;14, pinion;15, fixed ring;16, water quality monitoring sensor. Specific implementation

[0025] To further illustrate each embodiment, the utility model provides with drawings, these drawings are a part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, and the person skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0026] According to the embodiment of the utility model, a river pollution automatic identification device is provided.

[0027] Please refer to the attached drawings of the specification Figures 1-5 According to the river pollution automatic identification device of the embodiment of the utility model, the top end inner side of the net cage 1 is fixedly connected with the top disc 2, the center of the top disc 2 is fixedly connected with the stand 4, the upper end outer side of the stand 4 is fixedly connected with the tooth disc 8, the edge outer side of the tooth disc 8 is installed with the moving piece 11, the bottom end of the moving piece 11 is fixedly installed with the identification camera 12, the lower end outer side of the stand 4 is fixedly connected with the fixed ring 15 through the connecting rod, the inner side of the fixed ring 15 is fixedly installed with the water quality monitoring sensor 16, the top end edge of the top disc 2 is fixedly connected with the fixed rod 5, and the outer side of the fixed rod 5 is installed with the buoy 6.

[0028] The top disc 2 is made of 304 stainless steel with a diameter of 800 mm, and an algae-proof coating is arranged on the surface; the identification camera 12 is equipped with an infrared light supplement lamp, and the detection distance at night is greater than or equal to 10 m;

[0029] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the bottom hole disc 3 is fixedly connected to the bottom end of the mesh cage 1.

[0030] The bottom hole disc 3 is arranged in the mesh cage 1 and used for intercepting floating pollutants.

[0031] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the rope 10 is fixedly connected to the top end of the stand 4.

[0032] The stand 4 is vertically arranged, and the rope 10 (diameter 6 mm aramid rope) is installed at the top.

[0033] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the sliding groove is arranged on the inner side of the edge of the tooth disc 8, and the sliding strip is fixedly connected to the inner side of the moving part 11.

[0034] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the servo motor 13 is fixedly connected to the top end of the moving part 11, the main shaft end of the servo motor 13 is fixedly connected with the pinion 14, and the pinion 14 is meshingly connected with the tooth disc 8.

[0035] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the pneumatic fan 7 is fixedly installed on the inner side of the end of the float 6, and the air hole is arranged above the end of the float 6.

[0036] The float 6 enables the device to be suspended on the water surface, and the plurality of pneumatic fans 7 enables the device to move on the water surface.

[0037] In an embodiment, refer to the drawings of the specification Figures 1-5 As a further scheme of the utility model, the water quality monitoring sensor 16 includes a PH sensing probe, a fluorescence method dissolved oxygen sensing probe, an optical method turbidity sensing probe, a four-electrode conductivity sensing probe and a residual chlorine sensing probe.

[0038] Water quality monitoring sensors are arranged in a 16-array configuration: pH sensor: glass electrode method, range 0-14, accuracy ±0.02; fluorescence DO sensor: detection limit 0.1 mg / L, response time <15s; optical turbidimeter: LED light source wavelength 650nm, range 0-1000 NTU; conductivity sensor: four-electrode method, range 0-5 S / cm; residual chlorine sensor: DPD colorimetric method, range 0-4 mg / L.

[0039] The float system floats freely with the water flow, the pneumatic fan adjusts the attitude to keep it vertical, the servo motor drives the moving part 11 to make a circular motion along the toothed disk 8 (the speed is adjustable from 0.5 to 2 rpm), the camera 12 synchronously collects water surface images, the AI ​​algorithm analyzes the location of pollution sources in real time, the multi-parameter sensor group samples once every 10 minutes, the data is fused by Kalman filtering, when pollutants exceeding the standard are detected, the coordinates of the pollution zone are automatically marked by the GIS system (accuracy ±5m).

[0040] The wire mesh cage 1 is made of 304 stainless steel welded together, with a mesh diameter of 5mm. The edges are covered with a silicone anti-corrosion layer. An ultrasonic vibrator is installed inside the wire mesh cage 1 to remove the attached substances from the mesh surface at regular intervals.

[0041] Rope 10 is made of Kevlar-Nylon hybrid material with a tensile strength of ≥200kN. The end of rope 10 is locked to a fixed object on the riverbank to control the range of motion of the device and reduce the possibility of the device being carried away by strong winds.

[0042] The water quality monitoring sensor 16 is connected to the retaining ring 15 via a waterproof plug (IP68) and supports hot-swappable replacement. The sensor housing is made of titanium alloy, which is resistant to salt spray corrosion.

[0043] The recognition camera 12 is equipped with an optical image stabilization system (tilt angle adjustable ±3°) and supports 4K image resolution at 30fps. The AI ​​recognition model has been optimized through the TensorFlow Lite platform and deployed on the NPU of the controller 9.

[0044] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A device for automatic recognition of pollution of a river course, comprising a net cage (1), characterized in that: The top end inner side of the mesh cage (1) is fixedly connected with a top disc (2), the central part of the top disc (2) is fixedly connected with a stand (4), the upper end outer side of the stand (4) is fixedly connected with a toothed disc (8), the edge outer side of the toothed disc (8) is mounted with a moving piece (11), the bottom end of the moving piece (11) is fixedly mounted with an identification camera (12), the lower end outer side of the stand (4) is fixedly connected with a fixed ring (15) through a connecting rod, the inner side of the fixed ring (15) is fixedly mounted with a water quality monitoring sensor (16), the top end edge of the top disc (2) is fixedly connected with a fixed rod (5), the outer side of the fixed rod (5) is mounted with a buoy (6).

2. The river pollution automatic identification device according to claim 1, characterized in that: The bottom end of the mesh cage (1) is fixedly connected with a bottom hole disc (3).

3. The device according to claim 1, characterized in that: The top end of the stand (4) is fixedly connected with a rope (10).

4. The river pollution automatic identification device according to claim 1, characterized in that: The edge inner side of the toothed disc (8) is provided with a sliding groove, and the inner side of the moving piece (11) is fixedly connected with a sliding strip.

5. The river pollution automatic identification device according to claim 1, characterized in that: The top end of the moving piece (11) is fixedly connected with a servo motor (13), the main shaft tail end of the servo motor (13) is fixedly connected with a pinion (14), and the pinion (14) is meshed and connected with the toothed disc (8).

6. The river pollution automatic identification device according to claim 1, characterized in that: The end inner side of the buoy (6) is fixedly mounted with a pneumatic fan (7), and the end upper side of the buoy (6) is provided with an air hole.

7. The device according to claim 1, characterized in that: The water quality monitoring sensor (16) comprises a PH sensing probe, a fluorescence dissolved oxygen sensing probe, an optical turbidity sensing probe, a four-electrode conductivity sensing probe and a residual chlorine sensing probe.

Citation Information

Patent Citations

  • Automatic river and lake pollutant identification device

    CN217717547U