Water pollution on-line monitoring device with self-cleaning function

Abstract

The invention discloses an online water pollution monitoring device with a self-cleaning function, and belongs to the technical field of water environment monitoring equipment, the online water pollution monitoring device comprises a floating platform, a plurality of floating bodies are connected to the peripheral side of the bottom of the floating platform in a surrounding manner, an equipment box is mounted at the bottom of the floating platform, a protective mesh enclosure is connected to the bottom of the equipment box, and a water suction pump is mounted in the equipment box. According to the device, water bodies with corresponding depths are extracted through liquid inlet nozzles with different depths, the water bodies are fed into a detection box, the water body environment is monitored through a detection probe, after the probe is used, distilled water obtained through condensation of a condensation box can be extracted through a water suction pump, and after the distilled water is fed into an inner flushing mechanism, liquid spraying flushing can be conducted on the multiple detection probes; algae in water are prevented from adhering to the surface of the probe through flushing of distilled water, the detection precision is improved, meanwhile, the scraping and sweeping mechanism moves to scrape the algae adhering to the outer side of the protective net cover, and water pumping is prevented from being affected.

Description

Technical Field

[0001] The invention belongs to the technical field of water environment monitoring equipment, and in particular relates to an online water pollution monitoring device with a self-cleaning function. Background Art

[0002] As an important part of protecting water resources and maintaining ecological balance, water environment monitoring requires accuracy and efficiency. Traditional water quality sampling methods rely on manual operations, which are not only labor-intensive, but also difficult to ensure the continuity and accuracy of sampling at different depths, especially in natural water bodies such as rivers and lakes that are wide and have large depth variations. This drawback is particularly prominent. Manual sampling is often limited by the operator's technical level, physical condition, and the complexity of environmental conditions, which may lead to deviations in sampling results and low efficiency, making it difficult to meet the timeliness requirements of modern environmental monitoring.

[0003] To overcome this bottleneck, in recent years, automated and intelligent water extraction monitoring equipment has emerged. They are designed to be directly installed or deployed in water bodies to achieve unattended continuous monitoring. However, although these devices have improved monitoring efficiency to a certain extent, they are still insufficient in depth measurement. Many existing devices lack a mechanism to accurately control the sampling depth, and can only sample randomly or at preset time intervals. They cannot accurately sample specific depths or water quality change layers, which may miss key water quality information. At the same time, the probe is easily contaminated or adsorbed by algae in the water body, affecting the detection accuracy. Therefore, there is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to propose an online water pollution monitoring device with a self-cleaning function in order to solve the problem that it is impossible to accurately sample and detect a specific depth or water quality change layer, and algae adsorption is prone to occur, affecting the detection accuracy.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A water pollution online monitoring device with a self-cleaning function comprises a floating platform, a plurality of floating bodies are connected around the bottom of the floating platform, an equipment box is installed at the bottom of the floating platform, a protective mesh is connected to the bottom of the equipment box, a water pump is installed in the equipment box, the water pump is connected to a water pumping main pipe, a plurality of water pumping branches of different depths are gathered on the water pumping main pipe, a liquid inlet nozzle is provided at the water inlet of the water pumping branch pipe, water bodies of corresponding depths are extracted through the liquid inlets of different depths, a detection box is connected to the other side of the water pump, the detection box is installed in the equipment box, a scraping mechanism is provided at the bottom of the floating platform, and algae adhered to the outside of the protective mesh are scraped off by the scraping mechanism.

[0007] As a further description of the above technical solution:

[0008] The water pump is connected to an evaporation tank through a pipeline, and the steam outlet of the evaporation tank is connected to a condensation tank through a pipeline. The condensation tank is arranged on one side of the equipment box, and the outlet of the condensation tank is connected to an external flushing mechanism and an internal flushing mechanism through a pump body and a pipeline respectively. The external flushing mechanism extends to the top of the floating platform, and the internal flushing mechanism is connected to the detection box.

[0009] As a further description of the above technical solution:

[0010] A plurality of detection probes are arranged around the detection box, and the internal flushing mechanism includes a liquid spray outer ring and a liquid spray ring. The liquid spray outer ring is connected to the detection box, and a pillar is installed in the inner cavity of the liquid spray ring. The bottom of the pillar is connected to the bottom of the inner cavity of the detection box. The detection probe is located between the liquid spray ring and the liquid spray outer ring. Condensed water is sprayed out to flush the detection probe through nozzles arranged around the liquid spray outer ring and one side of the opposite surface of the liquid spray ring. The liquid spray ring and the liquid spray outer ring are connected to the pumping pipeline extending from the condensate box through a connecting pipe.

[0011] As a further description of the above technical solution:

[0012] A partition is installed on one side of the inner cavity of the equipment box, and a gap is formed between the partition and the equipment box. The condensing box is installed in the gap. A liquid inlet hole connected to the gap is opened on the outer wall of the equipment box, and liquid is introduced through the liquid inlet hole to cool the steam in the condensing box.

[0013] As a further description of the above technical solution:

[0014] The scraping mechanism includes a scraping ring, which is sleeved on the outside of the protective mesh cover. Both sides of the scraping ring are connected to a movable seat, and a screw seat is embedded in the top of one of the movable seats. The screw seat is threaded with an adjusting screw, which is rotatably connected to the bottom of the floating platform. The adjusting screw is transmission-connected to a driving motor, which is installed at a corresponding position on one side of the bottom of the floating platform. The scraping ring moves along the axis of the adjusting screw to scrape the outside of the protective mesh cover.

[0015] As a further description of the above technical solution:

[0016] The inner cavity of the scraper ring is connected with multiple fixed seats along the axis, the inner cavity of the fixed seat is connected with a spring, the other end of the spring is connected with a moving block, one side of the moving block is connected with a sliding rod, and the other end of the sliding rod is connected with a scraper strip, the outer wall of the sliding rod is provided with a support plate, and the support plate is connected to one side of the inner cavity of the fixed seat.

[0017] As a further description of the above technical solution:

[0018] A plurality of solar cell groups are connected around the top of the floating platform, and the solar cell groups are connected to batteries, and the batteries are installed in the equipment box. The solar cell groups are located on one side of the external flushing mechanism, and dust on the surface of the solar cell groups is flushed through the external flushing mechanism.

[0019] As a further description of the above technical solution:

[0020] The external flushing mechanism includes a support ring, and a plurality of flushing nozzles are connected to one side of the outer peripheral side of the support ring corresponding to the solar cell group, and the plurality of flushing nozzles are arranged along the width direction of the solar cell group. A positioning device is installed on the top of the support ring, and the positioning device includes a positioning chip and a signal generating module.

[0021] As a further description of the above technical solution:

[0022] A liquid discharge pipe is provided at the bottom of the detection box, and a liquid discharge air pump is installed at the top of the detection box, and the liquid is discharged by pressurizing the liquid discharge air pump.

[0023] As a further description of the above technical solution:

[0024] The bottom of the liquid inlet nozzle is connected to a dissolved oxygen detection probe, and the dissolved oxygen is detected by the dissolved oxygen detection probe when the water body is not disturbed.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0026] 1. In the present invention, by designing multiple liquid inlet nozzles, water samples at different depths of the water environment can be collected through the liquid inlet nozzles at different depths, and sent into the detection box to monitor the water environment through the detection probe. After the probe is used, the distilled water condensed in the condensation box can be extracted by a water pump, and the distilled water can be sent to the internal flushing mechanism to spray and flush multiple detection probes, which is beneficial to avoid algae in the water body from adhering to the probe surface through distilled water flushing, thereby improving the detection accuracy.

[0027] 2. In the present invention, through the designed internal flushing mechanism, the outer liquid spray ring and the liquid spray ring in the detection box can spray out the condensed distilled water through the nozzles at the corresponding positions. The distilled water on both sides of the inside and outside can fully clean the water adhered to the surface of the detection probe, which is beneficial to prolonging the service life. After the flushing is completed, in order to avoid residual water, the detection box can be pressurized by the drainage air pump. The water in the detection box is discharged through the bottom drainage pipe by pressurization to avoid the residual water affecting the detection stability. Continuous pollution detection of the water body is achieved through self-cleaning. The condensation box is installed in the gap between the partition and the equipment box. The equipment box can circulate and exchange with the external water body through the liquid inlet hole, which is beneficial to continuously exchange heat for the condensation box and improve the heat exchange effect.

[0028] 3. In the present invention, the scraping mechanism is designed to control the operation of the motor to drive the rotation of the adjusting screw on one side. The rotation of the adjusting screw can drive the screw seat to move and drive the scraping ring to move. The movement of the scraping ring can drive the inner scraping strip to scrape the outer side of the protective mesh cover. By scraping the protective mesh cover, the algae adhesion is prevented from affecting the liquid absorption effect. When the scraping ring moves, it can fit with the protective mesh cover through the scraping strip, and when the scraping strip contacts the protective mesh cover, the spring can use its own elastic force to ensure that the front scraping strip is fully fitted with the protective cover, which is beneficial to improve the scraping fitting effect through the arrangement of multiple scraping strips on the surrounding side. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall structure of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0030] Figure 2 The present invention proposes Figure 1 The structural diagram of the enlarged part A in the middle;

[0031] Figure 3 This is a schematic diagram of the lateral split structure of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0032] Figure 4 This is a schematic diagram of the disassembled structure of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0033] Figure 5 This is a schematic diagram of the disassembled structure in the equipment box of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0034] Figure 6 This is a schematic diagram of the structure of an equipment box from a top view of a water pollution online monitoring device with a self-cleaning function proposed by the present invention;

[0035] Figure 7 This is a schematic diagram of the structure of a detection box of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0036] Figure 8 This is a schematic diagram of the lateral assembly structure of the liquid inlet nozzle of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0037] Fig. 9 This is a schematic diagram of the structure from a bottom-up perspective of an online water pollution monitoring device with a self-cleaning function proposed by the present invention;

[0038] Fig.10 This is a schematic diagram of the assembly structure of a scraper strip of an online water pollution monitoring device with a self-cleaning function proposed by the present invention.

[0039] Legend:

[0040] 1. Floating platform; 2. Solar cell group; 3. Floating body; 4. Protective mesh cover; 5. Sweeping mechanism; 501. Adjusting screw; 502. Screw seat; 503. Moving seat; 504. Sweeping ring; 505. Sweeping strip; 506. Sliding rod; 507. Moving block; 508. Spring; 509. Fixed seat; 510. Support plate; 6. Equipment box; 7. Detection box; 8. Internal flushing mechanism; 801. Spray outer ring; 802. Connecting pipe; 803. Pillar; 804. Spray ring; 9. External flushing mechanism; 901. Support ring; 902. Flushing nozzle; 10. Detection probe; 11. Positioning device; 12. Liquid inlet nozzle; 13. Dissolved oxygen detection probe; 14. Partition; 15. Liquid inlet hole; 16. Condensation box; 17. Evaporation box; 18. Water pump; 19. Liquid discharge air pump. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 10 The present invention provides a technical solution: an online water pollution monitoring device with a self-cleaning function, comprising a floating platform 1, a plurality of floating bodies 3 are connected around the bottom side of the floating platform 1, an equipment box 6 is installed at the bottom of the floating platform 1, a protective mesh cover 4 is connected to the bottom of the equipment box 6, a water pump 18 is installed in the equipment box 6, the water pump 18 is connected to a water pumping main pipe, a plurality of water pumping branches of different depths are collected on the water pumping main pipe, a liquid inlet nozzle 12 is provided at the water inlet of the water pumping branch pipe, and the liquid inlet nozzle 12 of different depths is controlled by an electromagnetic valve to extract water of corresponding depths as needed during water pumping, a detection box 7 is connected to the other side of the water pump 18, and the detection box 7 is installed in the equipment box 6, a scraping mechanism 5 is provided at the bottom of the floating platform 1, and the algae adhered to the outer side of the protective mesh cover 4 are scraped off by the scraping mechanism 5.

[0043] The water pump 18 is connected to the evaporation box 17 through a pipeline, and the steam outlet of the evaporation box 17 is connected to the condensation box 16 through a pipeline. The condensation box 16 is arranged on one side of the equipment box 6, and the outlet of the condensation box 16 is connected to the external flushing mechanism 9 and the internal flushing mechanism 8 through the pump body and the pipeline respectively. The external flushing mechanism 9 extends to the top of the floating platform 1, and the internal flushing mechanism 8 is connected to the detection box 7.

[0044] Specifically: the water pump 18 is connected with multiple pipes, which can be used for multiple purposes. When in use, the corresponding work is achieved by controlling the opening and closing of the functional valves such as the solenoid valve through the system. For example, through the liquid inlet nozzles 12 located at different depths, water bodies near the liquid inlet nozzles 12 at different depths can be extracted, and the water bodies are sent into the detection box 7 by the water pump 18. The water quality is detected by the detection probe 10, wherein the multiple detection probes 10 include probes for detecting water temperature, pH, conductivity and TDS, etc., thereby monitoring the water environment quality of water bodies at different depths. The water pump 18 can extract water into the evaporation box 17, and after evaporation in the evaporation box 17, it enters the condensation box 16 for condensation to obtain distilled water. After the probe is used, a new pump body is used to extract the distilled water in the condensation box 16 to avoid distilled water contamination. The pump body is preferably located in the condensation box 16. After the distilled water is sent into the internal flushing mechanism 8, multiple detection probes 10 can be sprayed and flushed. The flushing of distilled water prevents algae in the water body from adhering to the probe surface and breeding, thereby improving the detection accuracy.

[0045] See also Figure 6 and Figure 7 A plurality of detection probes 10 are arranged around the detection box 7, and the internal flushing mechanism 8 includes a liquid spray outer ring 801 and a liquid spray ring 804. The liquid spray outer ring 801 is connected to the detection box 7, and a support 803 is installed in the inner cavity of the liquid spray ring 804. The bottom of the support 803 is connected to the bottom of the inner cavity of the detection box 7. The detection probe 10 is located between the liquid spray ring 804 and the liquid spray outer ring 801. Condensed water is sprayed out to flush the detection probe 10 through nozzles arranged around the opposite sides of the liquid spray outer ring 801 and the liquid spray ring 804. The liquid spray ring 804 and the liquid spray outer ring 801 are both connected to the pumping pipeline extending from the condensate box 16 through the connecting pipe 802.

[0046] A drainage pipe is provided at the bottom of the detection box 7, and a drainage air pump 19 is installed at the top of the detection box 7. The drainage air pump 19 is used to pressurize the drainage. A dissolved oxygen detection probe 13 is connected to the bottom of the liquid inlet nozzle 12. The dissolved oxygen detection probe 13 detects dissolved oxygen when the water body is not disturbed. The dissolved oxygen detection probe 13 arranged on the water inlet side can avoid interference with dissolved oxygen detection caused by large water flow during pumping. This is also the reason why the dissolved oxygen probe is not arranged inside the detection box 7. The dissolved oxygen value is not considered during pumping detection, and the stable value of dissolved oxygen after pumping stops is used as a data reference.

[0047] Specifically: through the designed internal flushing mechanism 8, the outer liquid spray ring 801 and the liquid spray ring 804 in the detection box 7 can spray out the condensed distilled water through the nozzles at the corresponding positions. The distilled water on both the inner and outer sides can fully clean the algae and other impurities adhering to the surface of the detection probe 10 to avoid their growth, which is beneficial to extending the service life. In addition, after flushing contact, in order to avoid water residue, the detection box 7 can be pressurized by the drainage air pump 19. The water in the detection box 7 is discharged through the bottom drainage pipe by pressurization, thereby preventing the water residue from affecting the detection stability and realizing continuous pollution detection of the water body through self-cleaning.

[0048] The discharge pipe should be installed with an overflow valve to realize the outflow of pressurized water and avoid the backflow of water, thereby improving the stability of the monitoring environment in the detection box 7.

[0049] See also Figure 5 and Figure 6 A partition 14 is installed on one side of the inner cavity of the equipment box 6, and there is a gap between the partition 14 and the equipment box 6. The condensation box 16 is installed in the gap. The outer wall of the equipment box 6 is provided with a liquid inlet hole 15 connected to the gap. Liquid is introduced through the liquid inlet hole 15 to cool the steam in the condensation box 16.

[0050] Specifically: through the designed partition 14, the condensation box 16 is installed in the gap between the partition 14 and the equipment box 6. When steam enters the heat exchange tube of the condensation box 16, the heat exchange tube can be condensed by contacting the water body in the gap for heat exchange, and the equipment box 6 can circulate and exchange with the external water body through the liquid inlet hole 15, which is beneficial to continuously exchange heat for the condensation box 16 and improve the heat exchange effect. In addition, the water pumping circulation between the condensation box 16, the evaporation box 17, the internal flushing mechanism 8 and the external flushing mechanism 9 is controlled by the control module in the equipment box 6, and the control module can be remotely set through the signal transmission device to realize remote control monitoring.

[0051] See also Figure 3 and Figure 4 A plurality of solar cell groups 2 are connected around the top of the floating platform 1, and the solar cell groups 2 are connected to batteries, and the batteries are installed in the equipment box 6. The solar cell groups 2 are located on one side of the external flushing mechanism 9, and the dust on the surface of the solar cell groups 2 is flushed through the external flushing mechanism 9. The external flushing mechanism 9 includes a support ring 901, and a plurality of flushing nozzles 902 are connected to one side of the outer peripheral side of the support ring 901 corresponding to the solar cell group 2, and the plurality of flushing nozzles 902 are arranged along the width direction of the solar cell group 2. A positioning device 11 is installed on the top of the support ring 901 to prevent the equipment from being lost. The positioning device 11 includes a positioning chip and a signal generating module.

[0052] Specifically: the solar cell group 2 can convert solar energy into electrical energy and store it through batteries for system power supply, which is beneficial to reducing power consumption through clean energy and is beneficial to field monitoring applications, and the external flushing mechanism 9 can extract distilled water and spray liquid through the flushing nozzle 902. The external flushing mechanism 9 is supplied with water by a pump body and can share the pump body with the internal flushing mechanism 8. It is controlled by a functional valve. The flushing nozzle 902 sprays liquid to flush and remove dust from the solar panel to avoid affecting the power generation effect.

[0053] See also Figure 1 , Figure 2 and Fig.10 The scraping mechanism 5 includes a scraping ring 504, which is sleeved on the outside of the protective mesh cover 4. Both sides of the scraping ring 504 are connected with a moving seat 503, and a screw seat 502 is embedded on the top of the moving seat 503 on one side. The screw seat 502 is internally threaded with an adjusting screw 501, and the adjusting screw 501 is rotatably connected to the bottom of the floating platform 1. The adjusting screw 501 is transmission-connected to a driving motor, and the driving motor is installed at a corresponding position on one side of the bottom of the floating platform 1, and moves along the axis direction of the adjusting screw 501 through the scraping ring 504 to scrape the outside of the protective mesh cover 4;

[0054] The other side movable seat 503 may be provided with corresponding guide rods and guide sleeves to prevent the scraping ring 504 from shaking and deviating when moving, thereby improving the scraping stability;

[0055] The inner cavity of the scraping ring 504 is connected with multiple fixed seats 509 along the axis, the inner cavity of the fixed seat 509 is connected with a spring 508, the other end of the spring 508 is connected to a moving block 507, one side of the moving block 507 is connected to a slide rod 506, and the other end of the slide rod 506 is connected to a scraping strip 505, the outer wall of the slide rod 506 is provided with a support plate 510, and the support plate 510 is connected to one side of the inner cavity of the fixed seat 509.

[0056] Specifically: through the designed scraping mechanism 5, when the protective cover continues to filter water impurities, more algae adhere to the surface of the protective cover. At this time, the motor can be controlled to drive the adjustment screw 501 on one side to rotate. The rotation of the adjustment screw 501 can drive the screw seat 502 connected by thread to move. The movement of the screw seat 502 can drive the inner scraping strip 505 to scrape the outer side of the protective mesh 4, so that the algae can be prevented from adhering to the protective mesh 4 and affecting the liquid absorption effect. After scraping, some algae will enter the interior of the protective mesh 4. The drainage air pump 19 can be led out of a pipe to the interior of the protective mesh 4, and the algae inside the protective mesh 4 can be discharged by blowing air.

[0057] Furthermore, when the scraping ring 504 moves, it can fit with the protective mesh cover 4 through the scraping strip 505, and when the scraping strip 505 contacts the protective mesh cover 4, the scraping strip 505 can slide in the support plate 510 through the slide bar 506. When the slide bar 506 moves, it can squeeze the rear spring 508 through the moving block 507. The spring 508 can use its own elastic force to ensure that the front end scraping strip 505 is fully fitted with the protective cover, which is beneficial to improve the scraping and fitting effect by setting multiple scraping strips 505 on the surrounding side.

[0058] Working principle: When in use, water at different depths is extracted through the liquid inlet nozzles 12 at different depths, and the water environment is monitored by the detection probes 10 in the detection box 7. The multiple detection probes 10 include probes for monitoring water temperature, pH, conductivity and TDS. After the probes are used, the distilled water condensed in the condensation box 16 is extracted through the pump body, and the distilled water is sent to the internal flushing mechanism 8 to spray and flush the multiple detection probes 10;

[0059] The outer liquid spray ring 801 and the liquid spray ring 804 in the detection box 7 spray out the condensed distilled water through the nozzles at the corresponding positions. The distilled water on both sides of the inner and outer sides fully cleans the algae adhered to the surface of the detection probe 10, which is beneficial to prolong the service life. After the flushing is completed, in order to avoid water residue, the detection box 7 is pressurized by the drainage air pump 19, and the water in the detection box 7 is discharged through the bottom drainage pipe by pressurization;

[0060] When the protective cover continuously filters impurities in the water, more algae adhere to the surface of the protective cover. By controlling the motor to work, the adjusting screw 501 on one side rotates. The rotation of the adjusting screw 501 drives the threaded screw seat 502 to move. The movement of the screw seat 502 drives the inner scraping strip 505 to scrape the outside of the protective net cover 4.

[0061] In the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An online water pollution monitoring device with a self-cleaning function, comprising a floating platform (1), wherein a plurality of floating bodies (3) are connected around the bottom of the floating platform (1), It is characterized in that An equipment box (6) is installed at the bottom of the floating platform (1), and a protective mesh cover (4) is connected to the bottom of the equipment box (6). A water pump (18) is installed in the equipment box (6), and the water pump (18) is connected to a water pumping main pipe. A plurality of water pumping branches of different depths are collected on the water pumping main pipe. A liquid inlet nozzle (12) is provided at the water inlet of the water pumping branch pipe, and water bodies of corresponding depths are extracted through the liquid inlet nozzles (12) of different depths. The other side of the water pump (18) is connected to a detection box (7), and the detection box (7) is installed in the equipment box (6). A scraping mechanism (5) is provided at the bottom of the floating platform (1), and algae adhered to the outer side of the protective mesh cover (4) are scraped off by the scraping mechanism (5).

2. The water pollution online monitoring device with self-cleaning function according to claim 1, It is characterized in that The water pump (18) is connected to an evaporation box (17) through a pipeline, and the steam outlet of the evaporation box (17) is connected to a condensation box (16) through a pipeline. The condensation box (16) is arranged on one side of the equipment box (6), and the outlet of the condensation box (16) is connected to an external flushing mechanism (9) and an internal flushing mechanism (8) through a pump body and a pipeline respectively. The external flushing mechanism (9) extends to the top of the floating platform (1), and the internal flushing mechanism (8) is connected to the inside of the detection box (7).

3. The water pollution online monitoring device with self-cleaning function according to claim 2, It is characterized in that A plurality of detection probes (10) are arranged around the inside of the detection box (7); the internal flushing mechanism (8) comprises a liquid spray outer ring (801) and a liquid spray ring (804); the liquid spray outer ring (801) is connected to the inside of the detection box (7); a support (803) is installed in the inner cavity of the liquid spray ring (804); the bottom of the support (803) is connected to the bottom of the inner cavity of the detection box (7); the detection probe (10) is located between the liquid spray ring (804) and the liquid spray outer ring (801); condensed water is sprayed out to flush the detection probe (10) through nozzles arranged around one side of the opposite surface of the liquid spray outer ring (801) and the liquid spray outer ring (804); the liquid spray ring (804) and the liquid spray outer ring (801) are both connected to a pumping pipeline extending from the condensation box (16) through a connecting pipe (802).

4. The water pollution online monitoring device with self-cleaning function according to claim 2, It is characterized in that A partition (14) is installed on one side of the inner cavity of the equipment box (6), a gap is provided between the partition (14) and the equipment box (6), the condensation box (16) is installed in the gap, and a liquid inlet hole (15) communicating with the gap is provided on the outer wall of the equipment box (6), and liquid is introduced through the liquid inlet hole (15) to cool the steam in the condensation box (16).

5. The water pollution online monitoring device with self-cleaning function according to claim 1, It is characterized in that The scraping mechanism (5) comprises a scraping ring (504), the scraping ring (504) being sleeved on the outside of the protective mesh cover (4), the scraping ring (504) being connected to movable seats (503) on both sides, and a screw seat (502) being embedded on the top of one movable seat (503), the screw seat (502) being internally threadedly connected to an adjusting screw (501), the adjusting screw (501) being rotatably connected to the bottom of the floating platform (1), the adjusting screw (501) being transmission-connected to a driving motor, the driving motor being installed at a corresponding position on one side of the bottom of the floating platform (1), and moving along the axial direction of the adjusting screw (501) through the scraping ring (504) to scrape the outside of the protective mesh cover (4).

6. The water pollution online monitoring device with self-cleaning function according to claim 5, It is characterized in that The inner cavity of the scraping ring (504) is connected to a plurality of fixed seats (509) along the axis, the inner cavity of the fixed seat (509) is connected to a spring (508), the other end of the spring (508) is connected to a moving block (507), one side of the moving block (507) is connected to a sliding rod (506), and the other end of the sliding rod (506) is connected to a scraping strip (505), the outer wall of the sliding rod (506) is sleeved with a support plate (510), and the support plate (510) is connected to one side of the inner cavity of the fixed seat (509).

7. The water pollution online monitoring device with self-cleaning function according to claim 2, It is characterized in that A plurality of solar cell groups (2) are connected around the top of the floating platform (1), and the solar cell groups (2) are connected to a storage battery, and the storage battery is installed in an equipment box (6). The solar cell groups (2) are located on one side of an external flushing mechanism (9), and dust on the surface of the solar cell groups (2) is flushed through the external flushing mechanism (9).

8. The water pollution online monitoring device with self-cleaning function according to claim 7, It is characterized in that The external flushing mechanism (9) comprises a support ring (901), a side of the outer periphery of the support ring (901) corresponding to the solar cell group (2) is connected to a plurality of flushing nozzles (902), and the plurality of flushing nozzles (902) are arranged along the width direction of the solar cell group (2), and a positioning device (11) is installed on the top of the support ring (901), and the positioning device (11) comprises a positioning chip and a signal generating module.

9. The water pollution online monitoring device with self-cleaning function according to claim 1, It is characterized in that The bottom of the detection box (7) is provided with a liquid discharge pipe, and the top of the detection box (7) is provided with a liquid discharge air pump (19), and the liquid is discharged by pressurizing through the liquid discharge air pump (19).

10. The water pollution online monitoring device with self-cleaning function according to claim 1, It is characterized in that The bottom of the liquid inlet nozzle (12) is connected to a dissolved oxygen detection probe (13), and the dissolved oxygen is detected by the dissolved oxygen detection probe (13) when the water body is not disturbed.

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