Water quality monitoring and early warning device for water environment

Abstract

The invention belongs to the technical field of water quality monitoring, and provides a water environment water quality monitoring and early warning device which comprises a moving seat, a lifting structure is fixedly connected to the moving seat, a fixing plate is fixedly connected to the lifting end of the lifting structure, and a driving rotating motor is fixedly connected to the outer portion of the fixing plate. An output shaft of the driving rotating motor penetrates through the outer wall of the fixing plate and is fixedly connected with a rotating plate, the exterior of the rotating plate is rotationally connected with an electromagnet through a rotating shaft, a casting monitoring structure is magnetically attracted to the exterior of the electromagnet, and the water storage monitoring box can be cast to different positions of a designated water area through the casting monitoring structure. Therefore, water quality monitoring in a wider area is realized. Due to the flexibility, monitoring is not limited to the shore or a specific area any more, multiple positions of a water area can be covered, and monitoring comprehensiveness and accuracy are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of water quality monitoring, in particular to a water environment water quality monitoring and early warning device. Background Art

[0002] Water is the source of life and an essential resource for the development of human society. Its quality is directly related to ecological balance, economic development, and human health. With the acceleration of industrialization, the expansion of urbanization, and the increasing frequency of agricultural activities, large amounts of industrial wastewater, domestic sewage, and agricultural non-point source pollution are continuously discharged into water bodies, making the water pollution problem more and more serious.

[0003] In the industrial sector, wastewater discharged by various factories often contains harmful components such as heavy metals, organic pollutants, and acidic and alkaline substances. For example, wastewater discharged by the electroplating industry contains heavy metal ions such as chromium, cadmium, and lead. These heavy metals are toxic and bioaccumulative. Once they enter water bodies, they can cause serious harm to aquatic life and affect human health through the food chain. Wastewater discharged by chemical companies may also contain organic pollutants such as benzene and phenols. These substances are difficult to degrade naturally and can persist in the water environment for a long time, disrupting the balance of the aquatic ecosystem.

[0004] In the publication number: CN222212745U, the patent name is: A water ecological environment monitoring and early warning device, which proposes that the existing water quality monitoring device is used by floating on the water surface. It floats on the water surface and is easy to follow the flow of water. It has poor stability and is not conducive to stable water quality monitoring of a certain area. In addition, the existing water quality monitoring equipment does not have an early warning device, which is not convenient for issuing an alarm when the water quality is abnormal. The water quality monitor can be fixed in a position by a mounting frame, which is convenient for the water quality monitor to stably detect the water quality in a certain area. The position of the water quality monitor can also be fine-tuned by the adjustment rod. At the same time, a battery and a photovoltaic panel are installed on the top of the mounting frame, which is convenient for the water quality monitor to be powered by the photovoltaic panel, so that the water quality monitor can be monitored in real time outdoors. At the same time, an alarm is installed on the top of the water quality monitor, which can sound an alarm when the water quality monitor detects abnormal water quality. Although it can monitor the water quality of a specified location, its disadvantages are also obvious, that is, it can only monitor the water quality of a specified area and can only monitor the water quality of the shore. For this reason, a water environment water quality monitoring and early warning device is proposed. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a water environment water quality monitoring and early warning device to solve the problems in the prior art that it can only monitor and alarm the water quality within a specified area.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A water environment and water quality monitoring and early warning device comprises a movable base, a lifting structure fixedly connected to the movable base, a lifting end of the lifting structure fixedly connected to a fixed plate, an external portion of the fixed plate fixedly connected to a driving rotary motor, an output shaft of the driving rotary motor passing through an outer wall of the fixed plate and fixedly connected to a rotating plate, an external portion of the rotating plate rotatably connected to an electromagnet via a rotating shaft, and an external portion of the electromagnet magnetically attracting a projectile monitoring structure;

[0008] The ejection monitoring structure includes a water storage monitoring box, the external movably connected to the external rotating bearing of the water storage monitoring box, the interior of the water storage monitoring box is equipped with a first electric control valve, the interior of the water storage monitoring box is equipped with a detection alarm, the external rotating bearing is connected to the sample storage structure, and the external of the sample storage structure is connected to the dragging structure.

[0009] Preferably, the sample storage structure includes an outward-expanding sac, which is connected to the outer wall of the external rotary bearing through a fixed column. The outside of the outward-expanding sac is connected to a second solenoid valve, and the dragging structure is connected to the outward-expanding sac.

[0010] Preferably, the dragging structure includes a driven winding assembly, which is fixedly connected to the movable seat, a winding motor is installed on the outside of the driven winding assembly, the output shaft of the winding motor is connected to the central winding roller of the driven winding assembly, a dragging tube is wound around the outside of the central winding roller of the driven winding assembly, one end of the dragging tube away from the central winding roller of the driven winding assembly is connected to the outer expansion sac, and the other end of the dragging tube is connected to a secondary detection structure.

[0011] Preferably, an elastic tube is integrally formed between the dragging tube and the outward expansion bladder.

[0012] Preferably, the lifting structure includes a lifting box, which is fixedly connected to the movable seat, the interior of the lifting box is slidably connected to a movable plate, the exterior of the movable plate is fixedly connected to a rack, the exterior of the lifting box is fixedly connected to a driving lifting motor, the output shaft of the driving lifting motor is fixedly connected to a gear, and the gear is meshed with the rack.

[0013] Preferably, the secondary detection structure includes a detection box, which is installed on the movable seat. The outside of the detection box is fixedly connected to a water-gas dual-purpose pump, and the air inlet and outlet of the water-gas dual-purpose pump are connected to the end of the dragging tube away from the external expansion sac.

[0014] Preferably, the end of the water-gas dual-purpose pump away from the dragging tube passes through the outer wall of the detection box and is connected to a diverter valve. The interior of the detection box is integrally formed with multiple separation partitions, and the multiple separation partitions divide the internal space of the detection box into multiple detection areas. The multiple water outlets of the diverter valve are respectively connected to multiple diverter pipes, and the water outlets of the multiple diverter pipes are connected to the detection areas.

[0015] Preferably, the exterior of the fixed plate is fixedly connected to a laser positioning sensor, and the exterior of the rotating plate is fixedly connected to a laser positioning receiver.

[0016] Preferably, a plurality of supporting legs are hingedly connected to the outside of the movable seat, and an electric push rod is fixedly connected to the bottom of the supporting legs.

[0017] Preferably, a support frame is fixedly connected to the outside of the lifting box, and one end of the support frame away from the lifting box is fixedly connected to the upper surface of the movable base.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention utilizes a projectile monitoring mechanism to project the water monitoring box to different locations within a designated area, enabling water quality monitoring over a wider area. This flexibility allows monitoring to be extended beyond the shore or specific areas, encompassing multiple locations within the waterway, improving both comprehensiveness and accuracy.

[0020] 2. By incorporating a two-stage detection structure and utilizing components such as a water-air dual-use pump and a diverter valve, this invention enables sampling and monitoring of water bodies at varying depths. This capability overcomes the limitation of existing technologies that only monitor surface water quality, enabling more comprehensive and in-depth water quality assessments. By monitoring water quality at varying depths, we can more accurately understand the pollution status and changing trends of water bodies, providing more robust data support for water environment management and protection.

[0021] 3. This invention incorporates a dragging mechanism and a sample storage structure based on the projectile monitoring structure. This allows the water storage monitoring box to be recovered through the dragging tube after being projected. This design not only improves stability during the monitoring process, preventing the monitoring equipment from being lost or damaged due to factors such as water flow, but also facilitates its recovery and reuse. Furthermore, the sample storage structure allows a portion of the water to be sampled during the recovery process, providing samples for subsequent water quality analysis, further enhancing the practicality and convenience of monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a water environment water quality monitoring and early warning device of the present invention;

[0024] Figure 2 This is a second schematic diagram of the three-dimensional structure of a water environment water quality monitoring and early warning device of the present invention;

[0025] Figure 3 This is a schematic structural diagram of an elastic tube in a water environment water quality monitoring and early warning device of the present invention;

[0026] Figure 4 This is a structural diagram of a laser positioning sensor and a laser positioning receiver of a water environment water quality monitoring and early warning device of the present invention;

[0027] Figure 5 This is a schematic cross-sectional view of a water storage monitoring box in a water environment and water quality monitoring and early warning device according to the present invention;

[0028] Figure 6 The figure is a schematic diagram of the internal structure of a detection box in a water environment water quality monitoring and early warning device of the present invention.

[0029] In the figure: 1. Moving seat; 2. Lifting box; 3. Moving plate; 4. Fixed plate; 5. Rotating plate; 6. Support foot; 7. Driving rotating motor; 8. Electric push rod; 9. Drag tube; 10. Driving winding assembly; 11. Winding motor; 12. Detection box; 13. Driving lifting motor; 14. Gear; 15. Rack; 16. Electromagnet; 17. Elastic tube; 18. External rotating bearing; 19. Water storage monitoring box; 20. First electric control valve; 21. Outward expansion bladder; 22. Second solenoid valve; 23. Laser positioning sensor; 24. Laser positioning receiver; 25. Water and gas dual-purpose pump; 26. Diverter valve; 27. Separation partition; 28. Diverter pipe; 29. Detection alarm; 30. Support frame. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0032] As attached Figure 1 To the attached Figure 6 As shown:

[0033] Embodiment 1: The present invention provides a water environment water quality monitoring and early warning device, comprising a movable base 1, a lifting structure fixedly connected to the movable base 1, a lifting end of the lifting structure fixedly connected to a fixed plate 4, an external fixed connection of the fixed plate 4 to a driving rotary motor 7, an output shaft of the driving rotary motor 7 passes through the outer wall of the fixed plate 4 and is fixedly connected to a rotating plate 5, an external portion of the rotating plate 5 is rotatably connected to an electromagnet 16 via a rotating shaft, and a projectile monitoring structure is magnetically attracted to the external portion of the electromagnet 16;

[0034] The ejection monitoring structure includes a water storage monitoring box 19, the external movably connected to the external rotating bearing 18, the interior of the water storage monitoring box 19 is equipped with a first electric control valve 20, the interior of the water storage monitoring box 19 is equipped with a detection alarm 29, the external rotating bearing 18 is externally connected to a sample storage structure, and the external of the sample storage structure is externally connected to a dragging structure.

[0035] As can be seen from the above, when conducting water quality environment monitoring and early warning, the staff can push the mobile seat 1 to the designated position. After pushing the mobile seat 1 to the designated position, the staff drives the fixed plate 4 to move to different heights by starting the lifting structure. After moving the fixed plate 4 to different heights, the projectile monitoring structure is started. When the projectile monitoring structure is started, the water storage monitoring box 19 can be driven to rotate continuously. When the water storage monitoring box 19 is driven to rotate to the specified speed, the connection with the water storage monitoring box 19 is immediately released, so that the water storage monitoring box 19 and the external rotating bearing 18 are projected into the water area that needs to be monitored by the inertial force generated by the rotation. When the external rotating bearing 18 and the water storage monitoring box 19 enter the specified water area, the first electric control valve 20 will be opened, so that the water flow enters the water storage monitoring box 19. After the water flow enters the water storage monitoring box 19, it is detected by the detection alarm 29. When it is detected that the water quality reaches the specified early warning value, an alarm signal is transmitted, and a predetermined alarm is performed through the alarm signal.

[0036] like Figure 1-Figure 2As shown, the lifting structure includes a lifting box 2, which is fixedly connected to the moving base 1. The interior of the lifting box 2 is slidably connected to the moving plate 3, the outside of the moving plate 3 is fixedly connected to the rack 15, the outside of the lifting box 2 is fixedly connected to the driving lifting motor 13, the output shaft of the driving lifting motor 13 is fixedly connected to the gear 14, and the gear 14 is meshed with the rack 15.

[0037] Specifically, in the lifting structure, the staff can start the lifting motor 13 to drive the gear 14 to rotate. When the gear 14 rotates, it can engage with the rack 15. When it engages with the rack 15, it can drive the movable plate 3 to move continuously upward. When the movable plate 3 continues to move upward, it can drive the fixed plate 4 to move upward.

[0038] Furthermore, the outside of the lifting box 2 is fixedly connected to a support frame 30, and the end of the support frame 30 away from the lifting box 2 is fixedly connected to the upper surface of the mobile seat 1. The setting of the support frame 30 can support the lifting box 2 to ensure the stability of the lifting box 2 on the mobile seat 1.

[0039] like Figure 1 As shown, a plurality of support legs 6 are hingedly connected to the outside of the movable base 1 , and an electric push rod 8 is fixedly connected to the bottom of the support legs 6 .

[0040] Specifically, during the projectile throwing process, in order to increase the overall stability, the support feet 6 located at the four corners can be rotated to the outside, and the electric push rods 8 under the support feet 6 can be extended downward to make contact with the ground, thereby further increasing the contact area with the ground and increasing the overall stability.

[0041] like Figure 4 As shown, in order to ensure that the external rotating bearing 18 and the water storage monitoring box 19 can be projected in the specified direction during the process of projecting, the external fixed connection of the fixed plate 4 is provided with a laser positioning sensor 23, and the external fixed connection of the rotating plate 5 is provided with a laser positioning receiver 24. When the rotating plate 5 rotates, the laser positioning receiver 24 will also rotate. When the rotating plate 5 rotates to the specified speed, the laser positioning sensor 23 will be activated. When the laser positioning sensor 23 is activated, the moment it is aligned with the laser positioning receiver 24, the power to the electromagnet 16 will be immediately canceled, so that the electromagnet 16 loses its adsorption performance on the water storage monitoring box 19, so that the water storage monitoring box 19 loses its fixation and is projected outward by the inertial force.

[0042] Example 2: This example is basically the same as the previous example, except that, considering that the external rotating bearing 18 and the water storage monitoring box 19 need to be recovered after being projected into the designated water area, a dragging structure is provided to complete the recovery of the external rotating bearing 18 and the water storage monitoring box 19, and a portion of the water body is sampled during the recovery of the external rotating bearing 18 and the water storage monitoring box 19 through the sampling structure.

[0043] like Figure 5 As shown, the sample storage structure includes an external expansion capsule 21, which is connected to the outer wall of the external rotary bearing 18 through a fixed column. The outside of the external expansion capsule 21 is connected to a second solenoid valve 22, and the dragging structure is connected to the external expansion capsule 21.

[0044] The dragging structure includes a driving winding assembly 10, which is fixedly connected to the movable seat 1. A winding motor 11 is installed on the outside of the driving winding assembly 10. The output shaft of the winding motor 11 is connected to the central winding roller of the driving winding assembly 10. A dragging tube 9 is wound around the outside of the central winding roller of the driving winding assembly 10. One end of the dragging tube 9 away from the central winding roller of the driving winding assembly 10 is connected to the outer expansion bag 21, and the other end of the dragging tube 9 is connected to a secondary detection structure.

[0045] As can be seen from the above, in the dragging structure, the dragging tube 9 is wound by driving the central winding roller of the winding assembly 10, and one end of the dragging tube 9 is connected to the outer expansion bag 21, so that the driving rotating motor 7 drives the rotating plate 5 and the electromagnet 16 to rotate, and the water storage monitoring box 19 is driven to rotate by the electromagnet 16. When the water storage monitoring box 19 is driven to rotate, the external rotating bearing 18 will be pulled by the dragging tube 9 below, thereby rotating around the water storage monitoring box 19, and the overall dragging tube 9 will not be connected to the outside of the external rotating bearing 18. When the rotating plate 5 rotates to the specified speed, the power to the electromagnet 16 is canceled. When the electromagnet 16 loses power, it will lose its adsorption to the water storage monitoring box 19, and the water storage monitoring box 19 When it loses its fixation, it will be thrown outwards due to the inertial force generated by the rotation of the rotating plate 5. In the case of outward throwing, the winding motor 11 can be turned off to limit the central winding roller of the driving winding assembly 10, so that the dragging tube 9 is thrown to the designated position together with the external rotating bearing 18 and the water storage monitoring box 19 that are thrown outwards. When the external rotating bearing 18 and the water storage monitoring box 19 need to be recovered, the winding motor 11 can be restarted. When the winding motor 11 is started, it can drive the central winding roller of the driving winding assembly 10 to rotate and rewind the dragging tube 9. When the dragging tube 9 is rewound, the water storage monitoring box 19 and the water storage monitoring box 19 can be dragged back to the shore to facilitate the next throwing.

[0046] like Figure 4 As shown, an elastic tube 17 is integrally formed between the dragging tube 9 and the outer expansion bladder 21 .

[0047] Specifically, before launching, it is necessary to turn on the winding motor 11 to drive the central winding roller of the driving winding assembly 10 to rotate continuously, so that the dragging tube 9 is wound to form a straight state between the outer expansion bag 21. When the straight state is formed, the winding motor 11 positions the central winding roller of the driving winding assembly 10 so that the central winding roller no longer rotates. In this case, when the rotating plate 5 drives the external rotating bearing 18 and the water storage monitoring box 19 to rotate, it will not cause the dragging tube 9 to be entangled. Through the setting of the elastic tube 17, the dragging tube 9 can be stretched when the electromagnet 16 drives the external rotating bearing 18 and the water storage monitoring box 19 to rotate to a high place, thereby cooperating with the displacement of the external rotating bearing 18 and the water storage monitoring box 19.

[0048] Example 3: Considering that the water quality of water bodies at different depths in the same water area may be different, in order to detect deeper water flows, a secondary detection structure is set up to sample, monitor and warn water bodies at different depths.

[0049] like Figures 1-6 As shown, the secondary detection structure includes a detection box 12, which is installed on the mobile base 1. The outside of the detection box 12 is fixedly connected to a water-gas dual-purpose pump 25, and the air inlet and outlet of the water-gas dual-purpose pump 25 are connected to the end of the dragging tube 9 away from the external expansion bag 21.

[0050] As can be seen from the above, the water-gas dual-purpose pump 25 is a dual-purpose pump body. When sampling and monitoring the water quality of different bodies of water, the external rotating bearing 18, the water storage monitoring box 19 and the external expansion capsule 21 are ejected to the specified position, and the second electromagnetic valve 22 located outside the external expansion capsule 21 is opened. When the second electromagnetic valve 22 is opened, the water flow will follow the second electromagnetic valve 22 into the interior of the external expansion capsule 21. When the water flow enters the interior of the external expansion capsule 21, the overall weight will gradually increase. When the overall weight gradually increases, the external rotating bearing 18, the water storage monitoring box 19 and the external expansion capsule 21 will gradually increase. The water monitoring box 19 and the outward expansion sac 21 will sink into the water body. When sinking into the water body, the first electrically controlled valve 20 will be opened again. After the first electrically controlled valve 20 is opened, water bodies of different depths can enter the water storage monitoring box 19 again, so that monitoring and early warning can be carried out again through the detection alarm 29. At the same time, the water-gas dual-purpose pump 25 can also be started. When the water-gas dual-purpose pump 25 is started, the water flow inside the outward expansion sac 21 will gradually enter the interior of the detection box 12 along with the dragging tube 9, and the water flow of different depths will be drawn to the shore for secondary detection.

[0051] like Figure 6As shown, the end of the water-gas dual-purpose pump 25 away from the dragging tube 9 passes through the outer wall of the detection box 12 and is connected to a diverter valve 26. A plurality of separation partitions 27 are integrally formed inside the detection box 12. The plurality of separation partitions 27 divide the internal space of the detection box 12 into a plurality of detection areas. The plurality of water outlets of the diverter valve 26 are respectively connected to a plurality of diverter pipes 28, and the water outlets of the plurality of diverter pipes 28 are connected to the detection areas.

[0052] Specifically, when water flow detection is performed using the water-air dual-purpose pump 25, water flows of different depths can be diverted to different detection areas through the diverter valve 26 for separate detection.

[0053] According to the above technical solution, the working steps of this solution are summarized and sorted out: 1. The staff first pushes the mobile seat 1 to the specified position, and then rotates the support feet 6 at the four corners to the outside, and extends the electric push rod 8 under the support foot 6 downward to contact the ground to increase the overall stability; 2. Start the driving lifting motor 13 in the lifting structure to drive the gear 14 to rotate, and the gear 14 engages with the rack 15 to drive the moving plate 3 and the fixed plate 4 to move upward to different heights. The support frame 30 outside the lifting box 2 can ensure its stability in use; 3. Start the projectile monitoring structure, drive the rotating motor 7 to drive the rotating plate 5 and the electromagnet 16 to rotate, and the electromagnet 16 drives the water storage monitoring box 19 to rotate together. When the external rotating bearing 18 is pulled by the dragging tube 9 to rotate around the water storage monitoring box 19, the dragging tube 9 will not be connected to the outside of the external rotating bearing 18. During the rotation, the laser positioning sensor 23 on the outside of the fixed plate 4 cooperates with the laser positioning receiver 24 on the outside of the rotating plate 5. When the rotating plate 5 rotates to the specified speed, the laser positioning sensor 23 is activated and aligned with the laser positioning receiver 24. The power to the electromagnet 16 is instantly canceled, and the electromagnet 16 loses its adsorption to the water storage monitoring box 19. The water storage monitoring box 19 is ejected outward by the inertial force, and at the same time, the winding motor 11 is closed to limit the winding roller in the center of the driving winding assembly 10, so that the dragging tube 9 is ejected to the specified position together with the water storage monitoring box 19. ; 4 When the external rotating bearing 18 and the water storage monitoring box 19 enter the designated water area, the second solenoid valve 22 outside the external expansion sac 21 is opened, and the water flows into the external expansion sac 21 to increase its weight, and the whole body sinks into the water body, and the first electric control valve 20 inside the water storage monitoring box 19 is opened again, and water bodies of different depths enter the water storage monitoring box 19, and monitoring and early warning are carried out through the detection alarm 29. When it is detected that the water quality reaches the designated early warning value, an alarm signal is transmitted to perform a predetermined alarm; 5 The water-gas dual-purpose pump 25 is started, and the water flow inside the external expansion sac 21 enters the detection box 12 along with the dragging tube 9. The water-gas dual-purpose pump 25 is away from the end of the dragging tube 9 to divert the water flow to multiple detection areas through the diverter valve 26. Different detection areas separated by the partition 27 are detected separately; 6 When the external rotating bearing 18 and the water storage monitoring box 19 need to be recovered, the winding motor 11 is restarted to drive the central winding roller of the winding assembly 10 to rotate, the dragging tube 9 is wound, and the water storage monitoring box 19 and the outer expansion capsule 21 are dragged back to the shore to facilitate the next casting. Before casting, the winding motor 11 needs to be turned on to drive the central winding roller of the winding assembly 10 to rotate continuously, and the dragging tube 9 is wound to form a straight line with the outer expansion capsule 21 and positioned. The elastic tube 17 can cooperate with its displacement when the electromagnet 16 drives the external rotating bearing 18 and the water storage monitoring box 19 to rotate to a high place to avoid the dragging tube 9 being pulled apart.

[0054] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A water environment and water quality monitoring and early warning device, comprising a mobile seat (1), characterized in that: The movable seat (1) is fixedly connected to a lifting structure, the lifting end of the lifting structure is fixedly connected to a fixed plate (4), the outside of the fixed plate (4) is fixedly connected to a driving rotary motor (7), the output shaft of the driving rotary motor (7) passes through the outer wall of the fixed plate (4) and is fixedly connected to a rotating plate (5), the outside of the rotating plate (5) is rotatably connected to an electromagnet (16) via a rotating shaft, and the outside of the electromagnet (16) is magnetically attracted to a projectile monitoring structure; The ejection monitoring structure comprises a water storage monitoring box (19), the outside of the water storage monitoring box (19) is movably connected to an external rotary bearing (18), a first electric control valve (20) is installed inside the water storage monitoring box (19), a detection alarm (29) is installed inside the water storage monitoring box (19), the outside of the external rotary bearing (18) is connected to a sample storage structure, and the outside of the sample storage structure is connected to a dragging structure.

2. The water environment water quality monitoring and early warning device according to claim 1, characterized in that: The sample storage structure includes an outward-expanding sac (21), which is connected to the outer wall of the external rotary bearing (18) through a fixing column. The outside of the outward-expanding sac (21) is connected to a second electromagnetic valve (22), and the dragging structure is connected to the outward-expanding sac (21).

3. A water environment water quality monitoring and early warning device as claimed in claim 2, characterized in that: The dragging structure includes a driving winding assembly (10), the driving winding assembly (10) is fixedly connected to the movable seat (1), a winding motor (11) is installed on the outside of the driving winding assembly (10), the output shaft of the winding motor (11) is connected to the central winding roller of the driving winding assembly (10), a dragging tube (9) is wound around the outside of the central winding roller of the driving winding assembly (10), one end of the dragging tube (9) away from the central winding roller of the driving winding assembly (10) is connected to the outer expansion bag (21), and the other end of the dragging tube (9) is connected to a secondary detection structure.

4. A water environment water quality monitoring and early warning device as claimed in claim 3, characterized in that: An elastic tube (17) is integrally formed between the dragging tube (9) and the outward expansion bladder (21).

5. The water environment water quality monitoring and early warning device according to claim 1, characterized in that: The lifting structure comprises a lifting box (2), the lifting box (2) is fixedly connected to the moving seat (1), the interior of the lifting box (2) is slidably connected to a moving plate (3), the exterior of the moving plate (3) is fixedly connected to a rack (15), the exterior of the lifting box (2) is fixedly connected to a driving lifting motor (13), the output shaft of the driving lifting motor (13) is fixedly connected to a gear (14), and the gear (14) is meshed with the rack (15).

6. The water environment water quality monitoring and early warning device according to claim 4, characterized in that: The secondary detection structure comprises a detection box (12), the detection box (12) being mounted on the movable seat (1), the exterior of the detection box (12) being fixedly connected to a water-gas dual-purpose pump (25), the air inlet and outlet of the water-gas dual-purpose pump (25) being in communication with an end of the dragging tube (9) away from the outer expansion sac (21).

7. A water environment water quality monitoring and early warning device as claimed in claim 6, characterized in that: One end of the water-gas dual-purpose pump (25) away from the dragging tube (9) passes through the outer wall of the detection box (12) and is connected to a diverter valve (26). A plurality of separation partitions (27) are integrally formed inside the detection box (12). The plurality of separation partitions (27) divide the internal space of the detection box (12) into a plurality of detection areas. The plurality of water outlets of the diverter valve (26) are respectively connected to a plurality of diverter pipes (28), and the water outlets of the plurality of diverter pipes (28) are connected to the detection areas.

8. The water environment water quality monitoring and early warning device according to claim 1, characterized in that: The exterior of the fixed plate (4) is fixedly connected to a laser positioning sensor (23), and the exterior of the rotating plate (5) is fixedly connected to a laser positioning receiver (24).

9. The water environment water quality monitoring and early warning device according to claim 1, characterized in that: The outside of the movable seat (1) is hinged with a plurality of supporting legs (6), and the lower part of the supporting legs (6) is fixedly connected with an electric push rod (8).

10. The water environment water quality monitoring and early warning device according to claim 5, characterized in that: The outside of the lifting box (2) is fixedly connected to a support frame (30), and one end of the support frame (30) away from the lifting box (2) is fixedly connected to the upper surface of the movable seat (1).

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