A water quality detector

Abstract

The present invention relates to the field of water quality detectors, specifically a water quality detector, comprising a base and a detector body installed above the base, a loading box installed on the top of the base, a battery box, a detector body and a control box installed inside the loading box, movable mobile seats installed on both sides of the loading box, and the base and the mobile seat are both made of foam material; driving mechanisms and sampling mechanisms are installed on both sides of the bottom of the base and one end of the bottom of the mobile seat. Each time a static test is performed, the sampling tube below can extract water samples from the detected position. Subsequent staff can re-test or retain the water samples, thereby improving the diversity of subsequent tests. When water enters the interior of the sampling tube, it impacts the impeller, thereby stirring the water, making the water entering the interior of the sampling tube more diverse, and can sample as much of the substances contained in the surrounding water as possible.

Description

Technical Field

[0001] The present invention relates to the field of water quality detectors, in particular to a water quality detector. Background Art

[0002] Water quality testers are professional instruments used to analyze water quality components and measure items such as BOD, COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, pH, and dissolved oxygen in water. They are currently the main instruments used to detect the content of various substances in water.

[0003] Commonly used water quality testers are often placed on a workbench for use. The water sample to be tested is placed into the tester for testing. The water sample must first be collected and brought back to the tester to complete the test. For rivers or lakes with large water areas and dispersed substance content, especially in remote mountainous areas, the shores are difficult to walk along and maneuver. Multiple sampling at the same location, or repeated sampling at different locations, results in slow testing. The inability to conduct real-time testing on the water surface to be tested results in inaccurate results that fail to truly reflect the actual water quality. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a water quality detector.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A water quality detector includes a base and a detector body installed above the base. A loading box is installed on the top of the base. A battery box, the detector body and a control box are installed inside the loading box. Movable moving seats are installed on both sides of the loading box. Both the base and the moving seat are made of foam material. A driving mechanism and a sampling mechanism are installed on both sides of the bottom of the base and one end of the bottom of the moving seat.

[0007] The sampling mechanism includes a detection head and a sampling tube. A first loading chamber is provided at the bottom of the base and the movable seat and the installation location of the detection head. A second loading chamber is provided at the bottom of the base and the movable seat and the installation location of the sampling tube. The detection head is electrically connected to the detector body, and one end of the detection head is fixedly connected to a first rotating shaft, which is rotatably installed inside the first loading chamber.

[0008] A second rotating shaft is rotatably installed inside the second loading chamber, and a plurality of threaded cylinders are evenly connected to the outside of the second rotating shaft along the circumferential direction, and a sampling tube is threadedly connected to one end of the threaded cylinder away from the second rotating shaft; a storage chamber is provided between the first loading chamber and the second loading chamber at the bottom of the base and the movable seat, and a cover plate is installed at the bottom of the storage chamber, one end of the first rotating shaft and the second rotating shaft extends to the inside of the storage chamber, the diameter of the first rotating shaft is smaller than the diameter of the second rotating shaft, and a return spring is installed at the connection between the end of the first rotating shaft away from the second rotating shaft and the inner wall of the first loading chamber, and a pushing assembly is connected to the outer wall of the other end, and a protrusion is connected to the bottom of each threaded cylinder at one end of the second rotating shaft facing the first rotating shaft, and the pushing assembly can push the protrusion.

[0009] Preferably, the pushing assembly includes a stabilizing seat and a push plate, the stabilizing seat is fixedly connected to the outer wall of the first rotating shaft, a groove is provided at the end of the stabilizing seat away from the first rotating shaft, the inner side of the groove is fixedly connected to a limiting plate, and the bottom of the push plate is fixedly connected to a rotating rod, the rotating rod is rotatably installed inside the groove, and a return spring is also installed at the connection between the rotating rod and the groove, both sides of the upper part of the push plate are arranged in an arc shape, and the push plate can contact the protrusion.

[0010] Preferably, a detachable sealing plate is plugged and installed on the top of the loading box, a camera is installed on the top of the sealing plate, and the shooting end of the camera passes through the sealing plate toward the detector body.

[0011] Preferably, a solar panel is installed on the top of the base, and a rope buckle is installed at one end of the top of the solar panel, and the solar panel is electrically connected to the battery box.

[0012] Preferably, the driving mechanism includes a driving spiral wheel, and the bottom of the base and the movable seat are provided with a circulation groove along the length direction. The driving spiral wheel is rotatably installed inside the circulation groove, and a driving motor for the driving spiral wheel is installed on one side of the inside of the circulation groove, and baffles are rotatably installed at both ends of the circulation groove.

[0013] Preferably, magnet plates are installed at the connection between the two sides of the base and the movable seat, a storage cavity is provided at the bottom of the magnet plate, a winding shaft is rotatably installed inside the storage cavity, a pull rope is wound around the outside of the winding shaft, one end of the pull rope is fixedly connected to the movable seat, and a motor for driving the winding shaft is also installed inside the base, and an iron sheet is installed at the end of the movable seat facing the base.

[0014] Preferably, a one-way valve is installed at the end of the sampling tube away from the threaded barrel, and the water inlet direction of the one-way valve is toward the inside of the sampling tube. The side of the end of the sampling tube away from the threaded barrel is also connected to an electric telescopic rod, and the telescopic end of the electric telescopic rod away from the sampling tube is connected to a cross bar, and an impeller is rotatably installed at the end of the cross bar away from the electric telescopic rod, and the impeller is located at the end of the water inlet of the sampling tube.

[0015] Beneficial effects of the present invention:

[0016] 1. By setting up multiple detection heads, after the detection of a certain position on the water surface is completed, the base moves to other positions on the water surface. After reaching the detection point, the driving spiral wheel at the bottom of the mobile base drives the mobile base to move on the water surface and away from the base. The movement of the mobile base can increase the detection range and perform multi-point detection on a water area at the same time, thereby improving the detection efficiency and the accuracy of the detection results.

[0017] 2. By rotating baffles installed at the bottom of the base and movable base, they clear impurities from the water surface as the base and movable base move, preventing them from damaging the drive propeller. If a difficult-to-clear obstruction is encountered, the baffles, encountering significant resistance, rotate, allowing the obstruction to penetrate the base and movable base and be pressed against the baffles. This pressure into the water does not affect the normal movement of the base and movable base. Furthermore, when the base and movable base move rapidly, the baffles, encountering water resistance, rotate and tilt, reducing resistance and, in turn, lowering energy consumption.

[0018] 3. By providing a rotatable detection head, water entering the flow channel impacts the detection head, causing it to rotate and be stored within the first loading chamber. This rotation of the detection head drives the first rotating shaft, which in turn rotates the second rotating shaft, causing the external sampling tubes to rotate together. The lower sampling tube filled with water samples rotates upward, while the upper empty sampling tube rotates downward, allowing the sampling tubes outside the second rotating shaft to be used sequentially. During each stationary test, the lower sampling tube extracts a water sample from the test location. This allows subsequent staff to retest or retain the water sample, increasing the diversity of subsequent tests. When water enters the sampling tube, it impacts the impeller, stirring the water. This increases the diversity of the water entering the sampling tube, allowing for the sampling of as many substances as possible from the surrounding water. The motorized telescopic rod drives the impeller up and down, stirring the water below for more complete and uniform sampling.

[0019] 4. By installing a magnetic plate, after a specific water area is tested, the winding shaft rotates to wind the pull rope, pulling the movable base back to the side of the base. The end of the movable base is bonded to the magnetic plate with an iron sheet, making it more stable and less likely to shake when the base moves. The movable base can perform multiple mobile tests in a single water area, with high accuracy and a wide range of detection, without the need for manual sampling. After the test is completed, the staff removes the sampling tube and retains it for manual testing again. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure provided by the present invention.

[0022] Figure 2 This is a schematic diagram of the internal structure of the loading box provided by the present invention.

[0023] Figure 3 The present invention provides Figure 2 Schematic diagram of the enlarged structure of the details at point A in the middle.

[0024] Figure 4 This is a schematic diagram of the bottom structure of the base provided by the present invention.

[0025] Figure 5 The present invention provides Figure 4 Schematic diagram of the enlarged structure of the details at point B in the middle.

[0026] Figure 6 This is a schematic diagram of the sampling tube structure provided by the present invention.

[0027] Figure 7 This is a schematic diagram of the installation structure of the first rotating shaft and the second rotating shaft provided by the present invention.

[0028] Figure 8 This is a schematic diagram of the installation structure of the stabilizing seat and the push plate provided by the present invention.

[0029] In the figure: 1. Base; 2. Solar panel; 3. Baffle; 4. Moving seat; 5. Sealing plate; 6. Camera; 7. Rope buckle; 8. Loading box; 9. Battery box; 10. Detector body; 11. Control box; 12. Magnet plate; 13. Winding shaft; 14. Storage chamber; 15. Pull rope; 16. Groove; 17. Driving spiral wheel; 18. First loading chamber; 19. Detection head; 20. Flow slot; 21. First rotating shaft; 22. Cover plate; 23. Threaded barrel; 24. Second rotating shaft; 25. Second loading chamber; 26. Sampling tube; 27. One-way valve; 28. Electric telescopic rod; 29. ​​Cross bar; 30. Impeller; 31. Stable seat; 32. Bump; 33. Limit plate; 34. Rotating rod; 35. Push plate. DETAILED DESCRIPTION

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] See also Figure 1-8As shown, a water quality detector includes a base 1 and a detector body 10 installed above it, a loading box 8 is installed on the top of the base 1, a battery box 9, a detector body 10 and a control box 11 are installed inside the loading box 8, and movable moving seats 4 are installed on both sides of the loading box 8, and the base 1 and the moving seat 4 are both made of foam material; a driving mechanism and a sampling mechanism are installed on both sides of the bottom of the base 1 and one end of the bottom of the moving seat 4.

[0032] The sampling mechanism includes a detection head 19 and a sampling tube 26. A first loading chamber 18 is provided at the bottom of the base 1 and the movable seat 4 and the installation location of the detection head 19. A second loading chamber 25 is provided at the bottom of the base 1 and the movable seat 4 and the installation location of the sampling tube 26. The detection head 19 is electrically connected to the detector body 10, and one end of the detection head 19 is fixedly connected to a first rotating shaft 21, which is rotatably installed inside the first loading chamber 18.

[0033] A second rotating shaft 24 is rotatably installed inside the second loading chamber 25, and a number of threaded cylinders 23 are evenly connected to the outside of the second rotating shaft 24 in the circumferential direction. The end of the threaded cylinder 23 away from the second rotating shaft 24 is threadedly connected to a sampling tube 26; a storage chamber is provided between the first loading chamber 18 and the second loading chamber 25 at the bottom of the base 1 and the movable seat 4, and a cover plate 22 is installed at the bottom of the storage chamber. One end of the first rotating shaft 21 and the second rotating shaft 24 extends to the inside of the storage chamber. The diameter of the first rotating shaft 21 is smaller than the diameter of the second rotating shaft 24. A return spring is installed at the connection between the end of the first rotating shaft 21 away from the second rotating shaft 24 and the inner wall of the first loading chamber 18, and a pushing assembly is connected to the outer wall of the other end. The end of the second rotating shaft 24 facing the first rotating shaft 21 is connected to a protrusion 32 at the bottom of each threaded cylinder 23, and the pushing assembly can push the protrusion 32.

[0034] As a technical optimization solution of the present invention, the pushing assembly includes a stabilizing seat 31 and a push plate 35. The stabilizing seat 31 is fixedly connected to the outer wall of the first rotating shaft 21. A groove 16 is provided at the end of the stabilizing seat 31 away from the first rotating shaft 21. The inner side of the groove 16 is fixedly connected to the limiting plate 33, and the bottom of the push plate 35 is fixedly connected to a rotating rod 34. The rotating rod 34 is rotatably installed inside the groove 16. A return spring is also installed at the connection between the rotating rod 34 and the groove 16. The upper two sides of the push plate 35 are both arc-shaped, and the push plate 35 can contact the protrusion 32.

[0035] As a technical optimization solution of the present invention, a detachable sealing plate 5 is installed on the top of the loading box 8, and a camera 6 is installed on the top of the sealing plate 5. The shooting end of the camera 6 passes through the sealing plate 5 and faces the detector body 10. The camera 6 can record the detector body 10, and then transmit the working situation to the background receiving end in real time. The staff can monitor the working status of the detector body 10 in real time to avoid accidents during the use of the detector body 10 and ensure the safety of the detector body 10.

[0036] As a technical optimization solution of the present invention, a solar panel 2 is installed on the top of the base 1, and a rope buckle 7 is installed at one end of the top of the solar panel 2, and the solar panel 2 is electrically connected to the battery box 9.

[0037] As a technical optimization solution of the present invention, the driving mechanism includes a driving spiral wheel 17, and the bottom of the base 1 and the movable seat 4 are provided with a circulation groove 20 along the length direction. The driving spiral wheel 17 is rotatably installed inside the circulation groove 20, and a driving motor for the driving spiral wheel 17 is installed on one side of the interior of the circulation groove 20. Baffles 3 are rotatably installed at both ends of the circulation groove 20, and the driving spiral wheel 17 drives the base 1 and the movable seat 4 to move.

[0038] As a technical optimization solution of the present invention, magnet plates 12 are installed at the connection between the two sides of the base 1 and the movable seat 4, and a storage cavity 14 is provided at the bottom of the magnet plate 12. A winding shaft 13 is rotatably installed inside the storage cavity 14, and a pull rope 15 is wound around the outside of the winding shaft 13. One end of the pull rope 15 is fixedly connected to the movable seat 4, and a motor for driving the winding shaft 13 is also installed inside the base 1. An iron sheet is installed at the end of the movable seat 4 facing the base 1. The winding shaft 13 can wind and store the pull rope 15, and can pull the movable seat 4 back to the side of the base 1.

[0039] As a technical optimization solution of the present invention, a one-way valve 27 is installed at the end of the sampling tube 26 away from the threaded barrel 23, and the water inlet direction of the one-way valve 27 is toward the inside of the sampling tube 26. The side of the end of the sampling tube 26 away from the threaded barrel 23 is also connected to an electric telescopic rod 28. The telescopic end of the electric telescopic rod 28 away from the sampling tube 26 is connected to a cross bar 29. The end of the cross bar 29 away from the electric telescopic rod 28 is rotatably installed with an impeller 30. The impeller 30 is located at the end of the water inlet of the sampling tube 26. The impeller 30 can stir the water to improve the diversity of sampling.

[0040] When the present invention is in use, the base 1 is placed on the water surface to be detected, and the sealing plate 5 is clamped on the upper part of the loading box 8 to seal the loading box 8 to prevent water from entering the interior of the loading box 8 and damaging the detector body 10. When the base 1 is stationary, the detection head 19 at the bottom of the base 1 and the movable seat 4 can both collect data in the water, and perform detection and analysis through the detector body 10, and finally display the detected data on the detector body 10. The detected data can be transmitted to the background receiving end through the signal transmitting end in the control box 11 for use by the staff. The camera 6 can record the detector body 10, and then transmit the working situation to the background receiving end in real time. The staff can monitor the working status of the detector body 10 in real time, avoid accidents during use of the detector body 10, and ensure the safety of the detector body 10.

[0041] After testing a specific location on the water surface, the drive screw wheel 17 moves the base 1 to another location on the water surface until it reaches the next testing point. Upon reaching the testing point, the drive screw wheel 17 at the bottom of the movable base 4 moves the movable base 4 across the water surface and away from the base 1. As the movable base 4 moves, the pull cord 15 is stretched, which does not affect the normal movement of the movable base 4. Furthermore, the movement of the movable base 4 increases the testing range, allowing for multiple testing points within a single area of ​​water, improving testing efficiency and enhancing the accuracy of test results.

[0042] As the base 1 and movable base 4 move, the baffle 3 clears impurities from the water surface, preventing them from damaging the drive screw 17. During movement, if a difficult-to-clear obstruction is encountered, the baffle 3 encounters significant resistance and rotates, forcing the obstruction into the bottom of the base 1 and movable base 4 and being pressed by the baffle 3. This pressure into the water does not affect the normal movement of the base 1 and movable base 4. Furthermore, when the base 1 and movable base 4 move rapidly, the baffle 3 encounters water resistance and rotates, assuming an inclined position, reducing resistance and, consequently, energy consumption.

[0043] After water enters the flow channel 20, it impacts the test head 19, causing it to rotate and be stored within the first loading chamber 18. This rotation of the test head 19 drives the first rotating shaft 21, which in turn drives the stabilizing seat 31 and its upper push plate 35 to rotate. The push plate 35 contacts and pushes the protrusion 32, causing the second rotating shaft 24 to rotate, which in turn causes the external sampling tubes 26 to rotate. The lower sampling tube 26, filled with water sample, rotates upward, while the upper empty sampling tube 26 rotates downward. The test head 19 has a limited range of rotation, meaning the second rotating shaft 24 can only move one sampling tube 26 at a time. This allows the sampling tubes 26 outside the second rotating shaft 24 to be used sequentially. During each stationary test, the lower sampling tube 26 can extract a water sample from the location being tested. This allows subsequent personnel to retest or store the water sample, increasing the diversity of subsequent tests. When water enters the interior of the sampling tube 26, it impacts the impeller 30, thereby stirring the water. The water entering the sampling tube 26 is more diverse, and the substances contained in the surrounding water can be sampled as much as possible. The electric telescopic rod 28 can drive the impeller 30 to move up and down, stirring the water below, so that the sampling is more sufficient and uniform. After the base 1 and the movable seat 4 stop moving, the return spring drives the first rotating shaft 21 to rotate, so that the detection head 19 rotates to a vertical state for normal detection. The stable seat 31 and the push plate 35 rotate together with the first rotating shaft 21. When rotating back, the push plate 35 rotates around the rotating rod 34 and can move away from the bottom of the protrusion 32 without being blocked by the protrusion 32. After returning to its original position, the push plate 35 remains in a vertical state for subsequent use.

[0044] After a specific water area is inspected, the winding shaft 13 rotates to wind and store the pull rope 15, pulling the movable seat 4 back to the side of the base 1. The end of the movable seat 4 is bonded to the magnet plate 12 via an iron sheet, making it more stable and less likely to shake when the base 1 moves. The base 1 can perform multiple mobile inspections in a single water area, with high accuracy and a wide range of inspections, without the need for manual sampling. After the inspection is completed, the staff removes the sampling tube 26 and retains it for manual inspection again.

[0045] Before the base 1 enters the water, a safety rope can be tied to the rope buckle 7 so that if the base 1 fails, it can be pulled back by the safety rope to avoid the loss of the entire detection device. During use, the solar panel 2 can replenish a certain amount of power for the battery box 9, thereby improving the endurance and extending the working time.

[0046] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A water quality detector, comprising a base (1) and a detector body (10) mounted thereon, characterized in that: A loading box (8) is installed on the top of the base (1), a battery box (9), a detector body (10) and a control box (11) are installed inside the loading box (8), and movable seats (4) are installed on both sides of the loading box (8), and the base (1) and the movable seat (4) are both made of foam material; a driving mechanism and a sampling mechanism are installed on both sides of the bottom of the base (1) and one end of the bottom of the movable seat (4); The sampling mechanism includes a detection head (19) and a sampling tube (26); a first loading chamber (18) is provided at the bottom of the base (1) and the movable seat (4) and the installation position of the detection head (19); a second loading chamber (25) is provided at the bottom of the base (1) and the movable seat (4) and the installation position of the sampling tube (26); the detection head (19) is electrically connected to the detector body (10), and one end of the detection head (19) is fixedly connected to a first rotating shaft (21), and the first rotating shaft (21) is rotatably installed inside the first loading chamber (18); The second loading chamber (25) is rotatably mounted with a second rotating shaft (24), and the outside of the second rotating shaft (24) is evenly connected with a plurality of threaded cylinders (23) along the circumferential direction, and one end of the threaded cylinder (23) away from the second rotating shaft (24) is threadedly connected with a sampling tube (26); a storage chamber is provided between the first loading chamber (18) and the second loading chamber (25) at the bottom of the base (1) and the movable seat (4), and a cover plate (22) is installed at the bottom of the storage chamber. The first rotating shaft (21) and the second rotating shaft (24) are connected to each other. One end of the second rotating shaft (24) extends into the interior of the storage chamber, the diameter of the first rotating shaft (21) is smaller than the diameter of the second rotating shaft (24), a return spring is installed at the connection between the end of the first rotating shaft (21) away from the second rotating shaft (24) and the inner wall of the first loading chamber (18), and a pushing assembly is connected to the outer wall of the other end, and the end of the second rotating shaft (24) facing the first rotating shaft (21) is connected to a protrusion (32) at the bottom of each threaded cylinder (23), and the pushing assembly can push the protrusion (32); The pushing assembly includes a stabilizing seat (31) and a push plate (35), the stabilizing seat (31) is fixedly connected to the outer wall of the first rotating shaft (21), a groove (16) is provided at one end of the stabilizing seat (31) away from the first rotating shaft (21), the inner side of the groove (16) is fixedly connected to the limiting plate (33), and the bottom of the push plate (35) is fixedly connected to a rotating rod (34), the rotating rod (34) is rotatably installed in the inner part of the groove (16), and a return spring is also installed at the connection between the rotating rod (34) and the groove (16), both sides of the upper part of the push plate (35) are arranged in an arc shape, and the push plate (35) can contact the protrusion (32); The driving mechanism comprises a driving spiral wheel (17), the bottom of the base (1) and the bottom of the movable seat (4) are both provided with a circulation groove (20) along the length direction, the driving spiral wheel (17) is rotatably mounted inside the circulation groove (20), and a driving motor for driving the driving spiral wheel (17) is mounted on one side inside the circulation groove (20), and baffles (3) are rotatably mounted on both ends of the circulation groove (20); A one-way valve (27) is installed at one end of the sampling tube (26) away from the threaded barrel (23), and the water inlet direction of the one-way valve (27) is toward the inside of the sampling tube (26). The side surface of the one end of the sampling tube (26) away from the threaded barrel (23) is also connected to an electric telescopic rod (28), and the telescopic end of the electric telescopic rod (28) away from the sampling tube (26) is connected to a cross bar (29), and an impeller (30) is rotatably installed at one end of the cross bar (29) away from the electric telescopic rod (28), and the impeller (30) is located at the end of the water inlet of the sampling tube (26); After the water flows into the circulation groove (20), it impacts the detection head (19), and the detection head (19) rotates after being impacted and is stored in the first loading chamber (18); and when the detection head (19) rotates, it can drive the first rotating shaft (21) to rotate, and after the first rotating shaft (21) rotates, it drives the stable seat (31) and the push plate (35) on the upper part thereof to rotate together; the push plate (35) contacts the protrusion (32) and pushes the protrusion (32), and the second rotating shaft (24) is rotated accordingly. The second rotating shaft (24) rotates together, thereby causing the external sampling tubes (26) to rotate together, the sampling tube (26) filled with water samples at the bottom rotates upward, and the empty sampling tube (26) at the top rotates downward; the range of rotation of the detection head (19) is limited, so that the second rotating shaft (24) can only drive one sampling tube (26) to move at a time; the sampling tubes (26) outside the second rotating shaft (24) can be used in turn; each time the detection is performed at rest, the sampling tube (26) at the bottom can extract the detected position water samples; for subsequent staff to re-test or retain the water samples, thereby improving the diversity of subsequent tests; when water enters the interior of the sampling tube (26), it impacts the impeller (30), thereby stirring the water, and the water entering the sampling tube (26) is more diverse, and the substances contained in the surrounding water can be sampled as much as possible; and the electric telescopic rod (28) can drive the impeller (30) to move up and down, stirring the water below, so that the sampling is more sufficient and uniform; after the base (1) and the movable seat (4) stop moving, the return spring drives the first rotating shaft (21) to rotate, so that the detection head (19) rotates to a vertical state for normal detection; the stable seat (31) and the push plate (35) rotate together with the first rotating shaft (21), and when rotating back, the push plate (35) rotates around the rotating rod (34), can move away from the bottom of the protrusion (32), and is not blocked by the protrusion (32). After returning to the original position, the push plate (35) remains in a vertical state for subsequent use; A detachable sealing plate (5) is plugged and installed on the top of the loading box (8), a camera (6) is installed on the top of the sealing plate (5), and the shooting end of the camera (6) passes through the sealing plate (5) and faces the detector body (10); A solar cell panel (2) is installed on the top of the base (1), and a rope buckle (7) is installed on one end of the top of the solar cell panel (2), and the solar cell panel (2) is electrically connected to the battery box (9); A magnet plate (12) is installed at the connection between the two sides of the base (1) and the movable seat (4), a storage cavity (14) is provided at the bottom of the magnet plate (12), a winding shaft (13) is rotatably installed inside the storage cavity (14), a pull rope (15) is wound around the outside of the winding shaft (13), one end of the pull rope (15) is fixedly connected to the movable seat (4), and a motor for driving the winding shaft (13) is also installed inside the base (1), and an iron sheet is installed at one end of the movable seat (4) facing the base (1).

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