River water quality monitoring device

Abstract

The invention relates to the technical field of water quality monitoring treatment equipment, in particular to a riverway water quality monitoring device, a buffer mechanism is arranged on the peripheral side of a rotating sleeve on the outer side of a floating seat, the influence of external force such as water flow impact on the device can be effectively relieved, the device is protected against damage, and a supporting plate is arranged on a fixed bottom plate at the top of the floating seat to provide energy for the device; the driving motor in the fixed shell drives the rotating screw rod to rotate, so that the detection mechanism can move up and down along the rotating screw rod to detect water quality at different depths, a sliding seat of the detection mechanism is matched with a guide rod and a contact switch to realize accurate detection, and the damping mechanism is connected with a floating seat and a supporting plate; the influence of external interference on detection is reduced, and the detection accuracy and the equipment stability are ensured.

Description

Technical Field

[0001] The present application relates to the technical field of water quality monitoring and processing equipment, and in particular to a river water quality monitoring device. Background Art

[0002] At present, with the continuous improvement of environmental protection awareness and the increasing attention to water resource quality, river water quality monitoring has become a vital link in the field of water resource management and environmental protection. Accurate and reliable monitoring of water quality plays an irreplaceable role in understanding water conditions, ensuring drinking water safety, controlling water pollution and maintaining ecological balance. In river water bodies, there are many areas where turbulent water flows are prone to occur. These turbulent water environments have the characteristics of fast water flow speed, large impact force and unstable water flow state, which brings great difficulties to water quality monitoring.

[0003] Existing water quality monitoring devices are susceptible to shaking and displacement due to the impact of turbulent water. Turbulent water carries enormous energy, constantly impacting the monitoring device. Like a boat floating in a rapid current, the monitoring device may be unable to maintain a stable position, frequently shaking and moving in the water. This shaking and displacement affects the normal operation of the monitoring device, making the collected water quality data unable to accurately reflect the actual water quality at the monitoring point, seriously affecting the accuracy and reliability of the data. At the same time, in a turbulent water environment, in addition to the impact force of the water itself, there may also be various debris mixed in, such as stones, branches, mud and sand. These debris will cause direct impact on the monitoring device under the influence of high-speed water flow. The long-term impact force of this river will make the sensor components of the monitoring device easily damaged, deformed or damaged, affecting the structural integrity and stability of the entire monitoring device and shortening its service life.

[0004] For this purpose, a river water quality monitoring device is invented to solve the problems arising from the above background. Summary of the Invention

[0005] In order to reduce the shaking and displacement of current water quality monitoring devices caused by the impact force of water flow, which affects the normal working posture of the monitoring device and makes the collected data unable to accurately reflect the actual water quality conditions, the present application provides a river water quality monitoring device.

[0006] This application provides a river water quality monitoring device, which adopts the following technical solution: The invention comprises a floating seat, wherein a rotatable rotating sleeve is provided on the outer side of the floating seat, a buffer mechanism for protecting the rotating sleeve is provided on the circumference of the rotating sleeve, a support plate is provided on the top of the floating seat, a solar panel is provided on the support plate, a fixed shell is provided on the bottom of the support plate, a driving motor is provided in the fixed shell, a rotatable rotating screw is provided on the output end of the driving motor, a detection mechanism that can move up and down is provided on the rotating screw, and the detection mechanism detects water quality at different depths when moving, a shock absorbing mechanism is provided between the floating seat and the support plate and the two are connected by the shock absorbing mechanism, a protective shell is provided at the bottom of the floating seat, a detection cavity is provided in the middle of the protective shell, the detection mechanism is located in the detection cavity, and a water supply mechanism that can supply water to the detection cavity is provided at the bottom of the floating seat.

[0007] Optionally, the buffer mechanism includes a plurality of swinging plates hingedly connected to the rotating sleeve and capable of swinging, a telescopic rod being hingedly connected to the swinging plate, and the other end of the telescopic rod being hingedly connected to the rotating sleeve.

[0008] Optionally, the detection mechanism includes a sliding seat that can move up and down along a rotating screw, and two spiral and mutually symmetrical guide grooves are provided on the rotating screw, and the two guide grooves are connected to each other at the head and tail ends. A guide rod is provided at the bottom of the fixed shell, and the sliding seat is slidably connected to the guide rod. A guide block is rotatably connected to the sliding seat, and the guide block is located in the guide groove and can slide along the guide groove. When the rotating screw rotates, the guide block slides unidirectionally along the guide groove. A water quality detector is provided on the sliding seat, and a number of contact switches that can start the water quality detector are provided on the guide rod. The sliding seat can contact the contact switch when sliding along the guide rod.

[0009] Optionally, the shock absorbing mechanism includes several shock absorbing components fixed on the floating seat, the shock absorbing component includes a fixed plate, the fixed plate is fixed on the floating seat, the fixed plate is provided with a fixed sleeve, a slidable fixed slide rod is provided in the fixed sleeve, the fixed slide rod and the fixed sleeve are in friction contact, a first compression spring is fixed to the outer side of the fixed slide rod, the other end of the first compression spring is fixed to the fixed plate, the fixed plate is hingedly connected to the connecting rod, the fixed slide rod is fixedly connected to the fixed rod, the other end of the fixed rod is fixed to the fixed shell, a sliding block is provided on the fixed rod, the sliding block is hingedly connected to the connecting rod, a second compression spring is provided on the sliding block and is sleeved on the fixed rod, and the other end of the second compression spring is fixedly connected to the fixed shell.

[0010] Optionally, the water supply mechanism includes a driving gear, a rotatable driving gear is provided at the bottom of the rotating sleeve, and a plurality of driven gears meshing with the driving gear are provided in the driving gear, the bottom of the floating seat is rotatably connected to a first rotating rod, the driven gear is fixed on the first rotating rod, the bottom of the driven gear is fixed with a first gear, the first gear is fixed on the first rotating rod, a rotatable second rotating rod is provided at the bottom of the floating seat, and a second gear meshing with the first gear is provided on the second rotating rod, a water groove corresponding to the first gear is opened in the protective shell, the first gear and the second gear are both located in the water groove, and a plurality of water baffles evenly distributed up and down are provided in the detection chamber, and when the first gear rotates, it drives water to flow to the detection chamber.

[0011] Optionally, a plurality of drainage channels are provided in the protective shell, the drainage end of the drainage channel is located at the bottom of the protective shell, a drainage baffle is provided in the drainage channel and can close the drainage channel, the drainage baffle is hinged in the drainage channel, a third compression spring is provided on the drainage baffle, the other end of the third compression spring is fixed in the drainage channel, and the water flow in the detection cavity can flow into the drainage channel in one direction and be discharged through the drainage channel.

[0012] Optionally, a filtering mechanism capable of filtering water flow is provided at the bottom of the rotating sleeve, the filtering mechanism comprising a filter cartridge, the filter cartridge being fixed on the outside of the protective shell, a plurality of filter holes being provided on the circumference of the filter cartridge, and at least one cleaning scraper being fixed on the bottom of the rotating sleeve, the cleaning scraper being located on the outside of the filter cartridge and driving the cleaning scraper to clean the filter cartridge when the rotating sleeve rotates.

[0013] Optionally, a connecting rope is provided at the bottom of the filter cartridge, an anchor block is provided at the bottom of the connecting rope, a bottom plate is provided at the bottom of the guide rod, and a counterweight block is provided at the bottom of the bottom plate.

[0014] In summary, this application has the following beneficial technical effects: 1. A buffer mechanism is provided. Through the cooperation of the swing plate and the telescopic rod in the buffer mechanism, when the device is subjected to external forces such as water impact and collision with floating objects in the river, the swing plate can swing around the hinge point, and at the same time drive the telescopic rod to extend and retract, effectively absorbing and buffering the external force, thereby protecting the rotating sleeve from direct impact, reducing the risk of damage to the device due to external force collision, and extending the service life of the device. By buffering external forces, the device's swaying amplitude in the water is reduced, allowing the device to float and operate more stably in complex river environments, ensuring the normal operation of various detection and operation functions, and improving the overall stability and reliability of the device; 2. Set up a detection mechanism. By rotating the unique two-section spiral and mutually symmetrical guide groove design on the screw rod and cooperating with the guide block on the sliding seat, the sliding seat can move up and down accurately along the guide rod. When the sliding seat moves, the water quality detector on it can detect the water quality at different depths, realizing the layered monitoring of river water quality, and can more comprehensively and accurately understand the vertical distribution of river water quality, providing richer data support for water quality assessment and analysis. At the same time, the contact switch set on the guide rod cooperates with the sliding seat, so that the water quality detector automatically starts the test when the sliding seat reaches a specific position, without the need for human intervention, which improves the automation and efficiency of the test, and also ensures the timeliness and accuracy of the test data; 3. A shock-absorbing mechanism is provided. During the operation of the device, water flow fluctuations, wind and waves and other factors may cause relative vibration between the floating seat and the support plate. The first compression spring, the second compression spring and the frictional contact between the fixed slide rod and the fixed sleeve in the shock-absorbing mechanism can effectively absorb and buffer this vibration energy, reduce the interference of vibration on the water quality detection mechanism, ensure that the water quality detector can work stably, and improve the accuracy and reliability of the detection data. The shock-absorbing mechanism can not only protect key detection components such as the water quality detector, but also protect other internal components such as the fixed shell and the drive motor, reduce the risk of component damage or loose connection due to vibration, extend the overall service life of the device, and reduce maintenance costs; 4. A water supply mechanism is provided. The water supply mechanism can stably introduce water in the river channel into the detection chamber through the meshing transmission of the driving gear, the driven gear, the first gear and the second gear, as well as the reasonable design of the water trough. At the same time, the water baffle in the detection chamber further stabilizes the water flow, providing the water quality detector with continuous and stable detection water samples, ensuring the accuracy and reliability of water quality detection; through the design of the drainage baffle and the third compression spring in the drainage channel, the water flow in the detection chamber can flow into the drainage channel and be discharged in one direction. This one-way drainage function can effectively prevent the water in the detection chamber from flowing back, and avoid the water that has been tested from mixing into the detection chamber again to affect the accuracy of subsequent detection results. At the same time, it also helps to maintain the stability of the water flow inside the detection chamber, ensuring that the water sample for each test is fresh and accurate, thereby improving the accuracy and reliability of water quality monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure of the present invention is shown in FIG. Figure I .

[0016] Figure 2 It is the front view of the present invention.

[0017] Figure 3 It is a structural schematic diagram of the shock absorbing mechanism of the present invention.

[0018] Figure 4The overall structure of the present invention is shown in FIG. Figure II .

[0019] Figure 5 It is a top view of the present invention.

[0020] Figure 6 Schematic diagram of components in the detection cavity of the present invention.

[0021] Figure 7 It is a cross-sectional view of the water supply mechanism of the present invention.

[0022] Figure 8 It is a front view of the detection mechanism of the present invention.

[0023] Figure 9 It is a structural schematic diagram of the detection mechanism of the present invention.

[0024] Figure 10 It is a structural schematic diagram of the water supply mechanism of the present invention.

[0025] Figure 11 It is a cross-sectional view of the protective cavity of the present invention.

[0026] Figure 12 It is a connection diagram of the drainage partition of the present invention.

[0027] Among them, 1. floating seat, 2. rotating sleeve, 3. buffer mechanism, 4. support plate, 5. solar panel, 6. fixed shell, 7. drive motor, 8. rotating screw, 9. detection mechanism, 10. shock absorption mechanism, 11. protective shell, 12. detection chamber, 13. water supply mechanism, 14. swing plate, 15. telescopic rod, 16. sliding seat, 17. guide groove, 18. guide rod, 19. guide block, 20. water quality detector, 21. contact switch, 22. shock absorption assembly, 23. fixed plate, 24. fixed sleeve, 25. Fixed slide rod, 26, first compression spring, 27, connecting rod, 28, fixed rod, 29, sliding block, 30, second compression spring, 31, driving gear, 32, driven gear, 33, first rotating rod, 34, first gear, 35, second rotating rod, 36, second gear, 37, water trough, 38, water baffle, 39, drainage channel, 40, drainage baffle, 41, third compression spring, 42, filter cartridge, 43, filter hole, 44, cleaning scraper, 45, connecting rope, 46, anchor block, 47, bottom plate, 48, counterweight. DETAILED DESCRIPTION

[0028] The following is combined with Figures 1-12 This application is described in further detail.

[0029] like Figures 1-10An embodiment shown in the figure, the embodiment of the present application discloses a river water quality monitoring device, including a floating seat 1, wherein the outer side of the floating seat 1 is rotatably connected to a rotatable rotating sleeve 2, the floating seat 1 is made of high-density polyethylene material and is manufactured by injection molding process to ensure that it has good buoyancy and corrosion resistance, the shape of the floating seat 1 is designed to be round or square, which is selected according to the actual use scenario and stability requirements, and its size is reasonably designed according to the overall size and load-bearing capacity of the device, generally with a diameter or side length between 0.5-1.5 meters, the rotating sleeve 2 is made of stainless steel and is manufactured by machining process to ensure that it has sufficient strength and corrosion resistance and can operate stably for a long time in the river environment, the inner diameter of the rotating sleeve 2 is slightly larger than the outer diameter of the floating seat 1, and the gap between the two is controlled to be 2-5 mm to facilitate the installation of bearings to achieve rotational connection, and a buffer mechanism 3 is provided on the peripheral side of the rotating sleeve 2 to protect it, the top of the floating seat 1 is flexibly connected to a support plate 4, and a solar panel 5 is fixedly connected to the support plate 4, and the solar panel 5 is firmly mounted on the support plate 4 by bolts and other fixings to maximize the absorption of solar energy; In this embodiment, a fixed shell 6 is fixed to the bottom of the support plate 4 by bolts, a drive motor 7 is fixedly connected to the fixed shell 6, a controller and other electrical components are installed in the fixed shell 6, a sealing gasket is used between the fixed shell 6 and the support plate 4 to prevent water from entering the shell and damaging the electrical equipment, the output end of the drive motor 7 is coaxially fixedly connected to a rotatable rotating screw 8, and a detection mechanism 9 that can move up and down is provided on the rotating screw 8. The detection mechanism 9 detects the water quality at different depths when moving, a shock absorbing mechanism 10 is provided between the floating seat 1 and the support plate 4 and the two are connected by the shock absorbing mechanism 10, a protective shell 11 is fixedly connected to the bottom of the floating seat 1, a detection cavity 12 is opened in the middle of the protective shell 11, the detection mechanism 9 is located in the detection cavity 12, and a water supply mechanism 13 that can supply water to the detection cavity 12 is provided at the bottom of the floating seat 1, and the detection mechanism 9 enables the sliding seat 16 to move up and down accurately along the guide rod 18, and at the same time enables the water quality monitor to automatically detect the water quality at different depths.

[0030] like Figure 6 In the embodiment shown, the buffer mechanism 3 includes a plurality of swinging plates 14 which are hingedly connected to the rotating sleeve 2 and can swing. In this embodiment, the number of the swinging plates 14 is set to 14. A telescopic rod 15 is hingedly connected to the swinging plate 14. The other end of the telescopic rod 15 is hingedly connected to the rotating sleeve 2. The swinging plate 14 of the buffer mechanism 3 is made of high-strength plastic material, such as polycarbonate. The swinging plate 14 is hingedly connected to the rotating sleeve 2 through a stainless steel hinge. The installation positions of the hinges are evenly distributed around the rotating sleeve 2. The telescopic rod 15 is made of aluminum alloy and is provided with a spring inside. It is hingedly connected to the swinging plate 14 and the rotating sleeve 2 through stainless steel hinges at both ends.

[0031] like Figure 8 、 Figure 9 In the embodiment shown, the detection mechanism 9 includes a sliding seat 16 that can move up and down along the rotating screw 8. Two sections of spiral and mutually symmetrical guide grooves 17 are provided on the rotating screw 8. The two sections of the guide grooves 17 are connected to each other at the head and tail ends. The bottom of the fixed shell 6 is fixedly connected to a guide rod 18. The guide rods 18 are provided in two and are arranged in the up and down directions. The sliding seat 16 is slidably connected to the guide rod 18. A guide block 19 is rotatably connected to the sliding seat 16. The guide block 19 is located in the guide groove 17 and can slide along the guide groove 17. When the rotating screw 8 rotates, the guide block 19 slides unidirectionally along the guide groove 17. A water quality detector 20 is fixedly connected to the sliding seat 16, and a plurality of startable The contact switch 21 of the dynamic water quality detector 20, the sliding seat 16 can contact the contact switch 21 when sliding along the guide rod 18. The water quality detector 20 uses a multi-parameter water quality detector 20, which can simultaneously detect water quality parameters such as water temperature, pH, dissolved oxygen, and turbidity. The water quality detector 20 is fixed to the sliding seat 16 by bolts or clamps, and its detection probe extends downward so that it can be inserted into the water sample in the detection chamber 12 for detection. The contact switch 21 uses a micro switch, which is evenly distributed on the guide rod 18. The number of contact switches 21 is set to four. When the sliding seat 16 slides on the guide rod 18, the touch block on the sliding seat 16 contacts the contact switch 21, triggering the switch action, and starting the water quality detector 20 for detection.

[0032] like Figure 2 、 Figure 3 In one embodiment shown, the shock absorbing mechanism 10 includes a plurality of shock absorbing assemblies 22 fixed on the floating seat 1, the number of the shock absorbing assemblies 22 is set to six, and the shock absorbing assemblies 22 include a fixed plate 23, the fixed plate 23 is fixedly connected to the floating seat 1, a fixed sleeve 24 is fixedly connected to the fixed plate 23, a slidable fixed slide rod 25 is slidably connected in the fixed sleeve 24, and the fixed slide rod 25 and the fixed sleeve 24 are in friction contact. A first compression spring 26 is fixed to the outer side of the fixed slide rod 25, and the other end of the first compression spring 26 is fixed to the fixed plate 23. A connecting rod 27 is hingedly connected to the fixed plate 23, and a fixed slide rod 25 is fixed to the fixed plate 23. A fixed rod 28 is fixedly connected, the other end of the fixed rod 28 is fixed to the fixed housing 6, a sliding block 29 is slidably connected to the fixed rod 28, and there is also friction contact between the sliding block 29 and the fixed rod 28. The sliding block 29 is hingedly connected to the connecting rod 27, and a second compression spring 30 is fixedly connected to the sliding block 29 and is sleeved on the fixed rod 28. The other end of the second compression spring 30 is fixedly connected to the fixed housing 6. In this embodiment, the fixed plate 23 is made of stainless steel and is fixed to the floating seat 1 by bolts. The fixed sleeve 24 is made of aluminum alloy and has a smooth sliding hole machined inside for installing the fixed slide rod 25; The shock absorption principle is as follows: when relative movement occurs between the floating seat 1 and the support plate 4, the fixed slide rod 25 slides in the fixed sleeve 24, and the first compression spring 26 and the second compression spring 30 absorb and buffer the impact force generated by this relative movement through compression and extension. At the same time, the friction contact between the fixed slide rod 25 and the fixed sleeve 24 and the friction contact between the sliding block 29 and the fixed rod 28 play a damping role, further reducing the transmission of vibration. Through the design of this shock absorption mechanism 10, the influence of external interference on water quality detection can be effectively reduced, ensuring the stability and accuracy of the water quality detector 20 during operation, and improving the reliability of detection data.

[0033] like Figure 6 、 Figure 7 In the embodiment shown, the water supply mechanism 13 includes a driving gear 31, and the bottom of the rotating sleeve 2 is fixedly connected to a rotatable driving gear 31. The rotating sleeve 2 rotates to drive the driving gear 31 to rotate. Six driven gears 32 meshing with it are provided in the driving gear 31. The bottom of the floating seat 1 is rotatably connected to a first rotating rod 33, and the driven gear 32 is fixed on the first rotating rod 33. The bottom of the driven gear 32 is fixed with a first gear 34, and the first gear 34 is fixed on the first rotating rod 33. The bottom of the floating seat 1 is rotatably connected to a rotatable second rotating rod 35, and the second rotating rod 35 is fixedly connected to a second gear 36 meshing with the first gear 34. A water groove 37 corresponding to the first gear 34 is opened in the protective shell 11, and the first gear 34 and the second gear 36 are both located in the water groove 37. A plurality of water baffles 38 evenly distributed above and below are fixedly connected to the detection chamber 12. When the first gear 34 rotates, it drives water to flow to the detection chamber 12; In this embodiment, under the action of river water flow or other external forces, the rotating sleeve 2 rotates, and the driving gear 31 at the bottom of the rotating sleeve 2 rotates accordingly. The driving gear 31 engages with the driven gear 32 for transmission, driving the driven gear 32 to rotate. The driven gear 32 is fixed on the first rotating rod 33, thereby driving the first rotating rod 33 to rotate, causing the first gear 34 at the bottom of the first rotating rod 33 to rotate. The first gear 34 engages with the second gear 36 on the second rotating rod 35 at the bottom of the floating seat 1. During the rotation of the first gear 34 and the second gear 36, the suction force generated introduces the water in the river into the detection chamber 12 through the water groove 37 in the protective shell 11 that corresponds to the first gear 34 one by one. The water baffle 38 in the detection chamber 12 makes the inflowing water flow more stable, avoids the influence of violent fluctuations in the water flow on water quality detection, and provides a stable water sample environment for the water quality detector 20.

[0034] like Figure 11 、 Figure 12In an embodiment shown, a plurality of drainage channels 39 are provided in the protective shell 11, and the drainage ends of the drainage channels 39 are located at the bottom of the protective shell 11. A drainage baffle 40 that can close the drainage channel 39 is fixedly connected in the drainage channel 39, and the drainage baffle 40 is hinged in the drainage channel 39. A third compression spring 41 is fixedly connected to the drainage baffle 40, and the other end of the third compression spring 41 is fixed in the drainage channel 39. The water flow in the detection chamber 12 can flow into the drainage channel 39 in a unidirectional manner and be discharged through the drainage channel 39. Through the design of the drainage baffle 40 and the third compression spring 41 in the drainage channel 39, the water flow in the detection chamber 12 can flow into the drainage channel 39 in a unidirectional manner and be discharged. This one-way drainage function can effectively prevent the water in the detection chamber 12 from flowing back, and prevent the water that has been tested from mixing into the detection chamber 12 again and affecting the accuracy of subsequent detection results. At the same time, it also helps to maintain the stability of the water flow inside the detection chamber 12, ensuring that the water sample is fresh and accurate each time it is tested, thereby improving the accuracy and reliability of water quality monitoring.

[0035] like Figure 3 In one embodiment shown, a filtering mechanism for filtering water is provided at the bottom of the rotating sleeve 2. The filtering mechanism includes a filter cartridge 42, which is fixed to the outside of the protective shell 11. A plurality of filtering holes 43 are provided on the peripheral side of the filter cartridge 42. At least one cleaning scraper 44 is fixedly connected to the bottom of the rotating sleeve 2. The cleaning scraper 44 is located on the outside of the filter cartridge 42 and drives the cleaning scraper 44 to clean the filter cartridge 42 when the rotating sleeve 2 rotates. Before the river water enters the detection chamber 12, it is first filtered by the filter cartridge 42 outside the protective shell 11. The filtering holes 43 on the peripheral side of the filter cartridge 42 filter impurities, Suspended matter is intercepted, and only relatively pure water can enter the detection chamber 12 through the filter hole 43, preventing impurities from damaging the water quality detector 20 or interfering with the detection results, thereby improving the accuracy of water quality detection. As the rotating sleeve 2 rotates, the cleaning scraper 44 fixed at the bottom of the rotating sleeve 2 also rotates. The cleaning scraper 44 is located on the outside of the filter cylinder 42, and the filter cylinder 42 is scraped during the rotation process to promptly remove impurities attached to the surface of the filter cylinder 42 to prevent the filter hole 43 from being blocked, thereby ensuring the long-term stability of the filtering effect of the filter cylinder 42 and reducing the trouble of frequent maintenance due to blockage of the filter cylinder 42.

[0036] like Figure 2 、 Figure 4In one embodiment shown, a connecting rope 45 is fixed to the bottom of the filter cartridge 42, an anchor block 46 is fixed to the bottom of the connecting rope 45, a bottom plate 47 is fixed to the bottom of the guide rod 18, and a counterweight 48 is fixed to the bottom of the bottom plate 47. The connecting rope 45 is made of high-strength nylon rope or steel wire rope, and its diameter is selected according to the weight of the device and the impact force of the water flow. The length of the connecting rope 45 is adjusted according to the water depth of the river and the usage scenario. One end of the connecting rope 45 is fixed to the bottom of the filter cartridge 42 by a rope buckle or welding, and the other end is fixedly connected to the anchor block 46. The anchor block 46 is made of It is made of cast iron or stainless steel and has a conical or anchor shape. When the device is placed in the river, the anchor block 46 is thrown to the bottom of the river, and the device is fixed in a specific position by the connecting rope 45 to prevent the device from drifting with the water flow or being washed away. The installation position of the counterweight block 48 is located at the bottom of the guide rod 18 to lower the center of gravity of the device and improve the stability of the device in the water. Through the design of the bottom plate 47 and the counterweight block 48, the rotating screw 8 can be made more stable during rotation, reducing shaking and tilting, thereby ensuring the accuracy and reliability of the detection mechanism 9 when performing water quality detection at different depths.

[0037] The working principle of the present invention has been explained through the above embodiments. The above embodiments only express several implementation methods of the present invention. The description is relatively specific and detailed, but it should not be understood as limiting the scope of the invention patent. It should be pointed out that for those skilled in the art, various modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent of the present invention shall be based on the appended claims.

Claims

1. A river water quality monitoring device, comprising a floating seat (1), characterized in that: A rotatable rotating sleeve (2) is arranged on the outer side of the floating seat (1), and a buffer mechanism (3) for protecting the rotating sleeve (2) is arranged on the circumference of the rotating sleeve (2). A support plate (4) is arranged on the top of the floating seat (1), and a solar panel (5) is arranged on the support plate (4). A fixed housing (6) is arranged on the bottom of the support plate (4), and a driving motor (7) is arranged in the fixed housing (6). A rotatable rotating screw (8) is arranged at the output end of the driving motor (7), and a rotating screw (8) is arranged on the rotating screw (8) which can move up and down. A movable detection mechanism (9) is provided, wherein the detection mechanism (9) detects water quality at different depths when moving; a shock absorbing mechanism (10) is provided between the floating seat (1) and the support plate (4), and the two are connected via the shock absorbing mechanism (10); a protective shell (11) is provided at the bottom of the floating seat (1); a detection cavity (12) is provided in the middle of the protective shell (11); the detection mechanism (9) is located in the detection cavity (12); and a water supply mechanism (13) is provided at the bottom of the floating seat (1) for supplying water into the detection cavity (12).

2. A river water quality monitoring device according to claim 1, characterized in that: The buffer mechanism (3) comprises a plurality of swinging plates (14) which are hingedly connected to the rotating sleeve (2) and can swing. A telescopic rod (15) is hingedly connected to the swinging plate (14), and the other end of the telescopic rod (15) is hingedly connected to the rotating sleeve (2).

3. A river water quality monitoring device according to claim 1, characterized in that: The detection mechanism (9) comprises a sliding seat (16) which can move up and down along a rotating screw rod (8); the rotating screw rod (8) is provided with two sections of spiral and mutually symmetrical guide grooves (17); the two sections of the guide grooves (17) are connected to each other at both ends; a guide rod (18) is provided at the bottom of the fixed housing (6); the sliding seat (16) is slidably connected to the guide rod (18); a guide block (19) is rotatably connected to the sliding seat (16); the guide block (19) is located in the guide groove (17) and can slide along the guide groove (17); when the rotating screw rod (8) rotates, the guide block (19) slides unidirectionally along the guide groove (17); a water quality detector (20) is provided on the sliding seat (16); a plurality of contact switches (21) that can activate the water quality detector (20) are provided on the guide rod (18); and when the sliding seat (16) slides along the guide rod (18), it can contact the contact switch (21).

4. A river water quality monitoring device according to claim 1, characterized in that: The shock absorbing mechanism (10) comprises a plurality of shock absorbing components (22) fixed on the floating seat (1), the shock absorbing components (22) comprising a fixing plate (23), the fixing plate (23) being fixed on the floating seat (1), a fixing sleeve (24) being arranged on the fixing plate (23), a slidable fixing slide bar (25) being arranged inside the fixing sleeve (24), the fixing slide bar (25) and the fixing sleeve (24) being in frictional contact, a first compression spring (26) being fixedly sleeved on the outer side of the fixing slide bar (25), the other side of the first compression spring (26) One end is fixed to a fixed plate (23), a connecting rod (27) is hingedly connected to the fixed plate (23), a fixed rod (28) is fixedly connected to the fixed slide rod (25), the other end of the fixed rod (28) is fixed to a fixed housing (6), a sliding block (29) is provided on the fixed rod (28), the sliding block (29) is hingedly connected to the connecting rod (27), a second compression spring (30) is provided on the sliding block (29) and is sleeved on the fixed rod (28), and the other end of the second compression spring (30) is fixedly connected to the fixed housing (6).

5. A river water quality monitoring device according to claim 1, characterized in that: The water supply mechanism (13) comprises a driving gear (31), a rotatable driving gear (31) is arranged at the bottom of the rotating sleeve (2), a plurality of driven gears (32) meshing with the driving gear (31) are arranged inside the driving gear (31), a first rotating rod (33) is rotatably connected to the bottom of the floating seat (1), the driven gear (32) is fixed on the first rotating rod (33), a first gear (34) is fixed on the bottom of the driven gear (32), the first gear (34) is fixed on the first rotating rod (33), and the floating seat A rotatable second rotating rod (35) is provided at the bottom of the detection chamber (1), and a second gear (36) meshing with the first gear (34) is provided on the second rotating rod (35). A water groove (37) corresponding to the first gear (34) is provided in the protective shell (11), and the first gear (34) and the second gear (36) are both located in the water groove (37). A plurality of water baffles (38) evenly distributed above and below are provided in the detection chamber (12), and when the first gear (34) rotates, water is driven to flow into the detection chamber (12).

6. A river water quality monitoring device according to claim 1, characterized in that: A plurality of drainage channels (39) are arranged in the protective shell (11), the drainage ends of the drainage channels (39) are located at the bottom of the protective shell (11), a drainage baffle (40) which can close the drainage channel (39) is arranged in the drainage channel (39), the drainage baffle (40) is hinged in the drainage channel (39), a third compression spring (41) is arranged on the drainage baffle (40), the other end of the third compression spring (41) is fixed in the drainage channel (39), and the water flow in the detection chamber (12) can flow into the drainage channel (39) in one direction and be discharged through the drainage channel (39).

7. A river water quality monitoring device according to claim 1, characterized in that: A filtering mechanism capable of filtering water flow is arranged at the bottom of the rotating sleeve (2), the filtering mechanism comprising a filtering cartridge (42), the filtering cartridge (42) being fixed to the outside of the protective shell (11), a plurality of filtering holes (43) being provided on the peripheral side of the filtering cartridge (42), and at least one cleaning scraper (44) being fixedly arranged at the bottom of the rotating sleeve (2), the cleaning scraper (44) being located on the outside of the filtering cartridge (42) and driving the cleaning scraper (44) to clean the filtering cartridge (42) when the rotating sleeve (2) rotates.

8. A river water quality monitoring device according to claim 3, characterized in that: A connecting rope (45) is provided at the bottom of the filter cartridge (42), an anchor block (46) is provided at the bottom of the connecting rope (45), a bottom plate (47) is provided at the bottom of the guide rod (18), and a counterweight block (48) is provided at the bottom of the bottom plate (47).

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