A mobile ground disaster emergency rainfall monitoring device
The rain gauge is stored and protected by a screw rod and a movable plate mechanism driven by a servo motor, which solves the problem of reduced monitoring accuracy caused by the external placement of the rain gauge in the existing device and enhances the protection and reliability of the device.
Patent Information
- Application Number
- CN202510025407.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2045-01-08
AI Technical Summary
In existing portable geological disaster emergency rainfall monitoring devices, the external placement of the rain gauge box reduces the accuracy of rain monitoring, and the debris collection trough and silt collection trough affect the rain monitoring effect.
A mobile geological disaster emergency rainfall monitoring device is designed. A servo motor drives a screw rod to drive a movable plate and a cleaning mechanism to store and protect a touch screen computer and a rain gauge. The cleaning mechanism can also clear debris to prevent it from entering the device.
The monitoring accuracy and protection effect of the rain gauge are improved, ensuring that the rain gauge is not affected by debris when not in use, and enhancing the reliability and protection of the device.
Smart Images

Figure CN120010024B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of geological disaster rainfall monitoring, in particular to a mobile geological disaster emergency rainfall monitoring device. Background Art
[0002] The Chinese utility model patent with announcement number CN221378283U proposes a mobile and portable geological disaster emergency rainfall automatic monitoring device, including a device body, a plurality of self-locking rollers at the bottom of the device body, a rain gauge box on the device body, a filter screen clamped in the middle of the rain gauge box, a conical groove inside the filter screen, a plurality of filter elements connected to the bottom of the conical groove, a debris collection groove and a silt collection groove on the filter element, filter holes are provided on both sides of the debris collection groove, a plurality of blocking rods are provided at the connection between the debris collection groove and the silt collection groove, and a cleaning mechanism is provided inside the rain gauge box to cooperate with the debris collection groove and the silt collection groove.
[0003] In the above technical solution, the rain gauge box is set on the outside and cannot be stored and protected. In addition, the debris collection trough and the silt collection trough will also discharge rainwater into the interior of the debris collection box and the soil collection box, resulting in a reduction in rainwater entering the rain gauge box, thereby affecting the monitoring of rainwater. Summary of the Invention
[0004] In view of the above problems or problems existing in the prior art, the present invention is proposed.
[0005] Therefore, an object of the present invention is to provide a mobile geological disaster emergency rainfall monitoring device, which can solve the problems mentioned in the background technology.
[0006] To solve the above technical problems, the present invention provides the following technical solutions: a mobile geological disaster emergency rainfall monitoring device, which includes a base, a fixed box fixedly provided on the top of the base, and inlets and outlets symmetrically opened on both sides of the top of the fixed box, and a touch computer all-in-one and a rain gauge are respectively provided on both sides of the interior of the fixed box through an adjustment mechanism, the adjustment mechanism includes a second movable plate and a first movable plate, the first movable plate and the second movable plate are limitedly slidably installed inside the inlet and outlet, the top of the second movable plate is fixedly provided with an installation frame, the touch computer all-in-one is fixedly installed inside the installation frame, the rain gauge is fixedly installed on the top of the first movable plate, and a cleaning mechanism is provided on the inner top of the inlet and outlet on the right side, the cleaning mechanism includes a slide plate, a push plate and a rubber plate, the rubber plate is fixedly provided at the bottom of the push plate, the push plate and the rubber plate are arranged above the rain gauge, and a filter is installed on the top of the rain gauge.
[0007] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, a servo motor is fixedly installed at the internal center position of the bottom end of the fixed box, a screw rod is fixedly installed on the output shaft of the servo motor, and the screw rod is rotatably installed inside the top end of the fixed box.
[0008] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, a nut is threadedly installed on the outer side of the screw rod, and push-pull rods are installed on both ends of the nut through rotation of the shaft rod, and the bottom end of the push-pull rod is movably connected to the top of the first movable plate and the second movable plate through the shaft rod.
[0009] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, the top end of the screw rod is in a "U" shape, and a swivel is installed on the top end of the screw rod for limited rotation, and the swivel is arranged on the inner side of the fixed box.
[0010] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, a slide groove is provided on the top wall of the fixed box, the top end of the slide plate is slidingly installed inside the slide groove, and a fixing rod is fixedly provided on one side of the slide plate.
[0011] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device of the present invention, the push plate is fixedly installed on one end of the fixed rod, and the push plate and the fixed rod are arranged perpendicular to each other.
[0012] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device of the present invention, a connecting rod is fixedly provided at one end of the rotating ring, and one end of the connecting rod is movably connected to the other side of the slide plate through a shaft rod.
[0013] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device of the present invention, a baffle is fixedly provided on the top of the first movable plate corresponding to one side of the rain gauge, and the baffle is provided on one side of the push plate.
[0014] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, the first movable plate and the second movable plate are movably installed inside the inlet and outlet on both sides through a torsion spring rotating shaft, the first movable plate is arranged at the bottom of the first movable plate, and the second movable plate is arranged at the top of the mounting frame.
[0015] As a preferred solution of the mobile geological disaster emergency rainfall monitoring device described in the present invention, universal wheels are fixedly installed at the four corners of the bottom of the base, a spring is fixedly installed on the outside of the bottom end of the screw rod, the spring is arranged below the nut, and the spring is arranged between the first movable plate and the second movable plate.
[0016] The beneficial effects of the present application are that the movement of the first moving plate and the second moving plate is adjusted by the adjusting mechanism, so that the touch computer all-in-one machine and the rain gauge can be retracted into the inside of the fixed box, the touch computer all-in-one machine and the rain gauge are conveniently stored when not in use, the protection of the touch computer all-in-one machine and the rain gauge is increased, the cleaning mechanism can directly clean the sundries on the top of the rain gauge, and the use of the rain gauge and the touch computer all-in-one machine to monitor the rainfall is facilitated.
[0017] The screw rod is rotated in the inside of the fixed box by the servo motor, the screw nut is driven by the screwing action of the screw rod and the screw nut, the screw nut is moved downward under the limiting action of the push-pull rod and the first moving plate and the second moving plate, the first moving plate and the second moving plate are moved to both sides by the push-pull rod, the first moving plate and the second moving plate can extrude the first movable plate and the second movable plate, the first moving plate and the second moving plate drive the mounting frame, the touch computer all-in-one machine and the rain gauge to move out of the inside of the inlet and outlet, the use of the touch computer all-in-one machine and the rain gauge to monitor the emergency rainfall of the geological disaster is facilitated; the reverse rotation of the servo motor and the screw rod can drive the first moving plate and the second moving plate to move into the inside of the fixed box through the screw nut and the push-pull rod, the touch computer all-in-one machine and the rain gauge are conveniently stored, and the protection of the touch computer all-in-one machine and the rain gauge is increased when not in use.
[0018] The mounting frame can increase the protection of the touch computer all-in-one machine, the second movable plate can be blocked on the top of the mounting frame when being opened upward, the second movable plate can be blocked on the top of the touch computer all-in-one machine, the protection of the touch computer all-in-one machine is increased, and the rainfall monitoring data of the rain gauge can be obtained through the touch computer all-in-one machine.
[0019] The rotation of the screw rod can drive the rotating ring and the connecting rod to rotate in the inside of the fixed box through the top end of the screw rod, the sliding plate is reciprocatingly moved in the inside of the sliding groove through the connecting rod, the push plate is reciprocatingly moved through the fixed rod driven by the sliding plate, the sundries on the top of the rain gauge are cleaned through the push plate and the rubber plate, the sundries are prevented from affecting the monitoring of the rainfall by the rain gauge, and the baffle is arranged to prevent the sundries from entering the inside of the fixed box. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0021] Figure 1 The storage state structure diagram of the present application.
[0022] Figure 2 The front view sectional view of the storage state of the present application.
[0023] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle.
[0024] Figure 4 This is a usage status structure diagram of the present invention.
[0025] Figure 5 It is a front cross-sectional view of the present invention in use state.
[0026] Figure 6 It is a structural diagram of the cleaning mechanism of the present invention.
[0027] In the figure: 1. Base; 2. Universal wheel; 3. Fixed box; 4. Inlet and outlet; 5. Cleaning mechanism; 6. First movable plate; 7. Second movable plate; 8. Second movable plate; 9. First movable plate; 10. Servo motor; 11. Mounting frame; 12. Touch screen computer; 13. Rain gauge; 14. Screw; 15. Swivel; 16. Connecting rod; 17. Slide plate; 18. Slide groove; 19. Fixed rod; 20. Push plate; 21. Rubber plate; 22. Baffle; 23. Push-pull rod; 24. Nut. DETAILED DESCRIPTION
[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0030] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it constitute a separate or selective embodiment that is mutually exclusive with other embodiments.
[0031] Example 1
[0032] Reference Figures 1 to 6, which is the first embodiment of the present invention, provides a mobile geological disaster emergency rainfall monitoring device, which includes a base 1, a fixed box 3 is fixedly provided on the top of the base 1, and an inlet and outlet 4 are symmetrically opened on both sides of the top of the fixed box 3. A touch computer all-in-one 12 and a rain gauge 13 are respectively provided on both sides of the interior of the fixed box 3 through an adjustment mechanism. The adjustment mechanism includes a second movable plate 8 and a first movable plate 9. The first movable plate 9 and the second movable plate 8 are limitedly slidably installed inside the inlet and outlet 4. A mounting frame 11 is fixedly provided on the top of the second movable plate 8. The touch computer all-in-one 12 is fixedly installed inside the mounting frame 11. The rain gauge 13 is fixedly installed on the top of the first movable plate 9. A cleaning device is provided on the inner top of the right inlet and outlet 4. Mechanism 5, the cleaning mechanism 5 includes a slide plate 17, a push plate 20 and a rubber plate 21, the rubber plate 21 is fixedly arranged at the bottom of the push plate 20, the push plate 20 and the rubber plate 21 are arranged above the rain gauge 13, and a filter is installed on the top of the rain gauge 13. The first movable plate 9 and the second movable plate 8 can be adjusted laterally through the adjustment mechanism, so that the first movable plate 9 and the second movable plate 8 are convenient for adjusting the touch computer all-in-one 12 and the rain gauge 13, and convenient for emergency rainfall monitoring of geological disasters through the touch computer all-in-one 12 and the rain gauge 13, and the touch computer all-in-one 12 and the rain gauge 13 can also be moved to the inside of the fixed box 3, thereby increasing the safety of the touch computer all-in-one 12 and the rain gauge 13 when not in use.
[0033] The servo motor 10 is fixedly installed at the inner center position of the bottom end of the fixed box 3, and a screw rod 14 is fixedly installed on the output shaft of the servo motor 10. The screw rod 14 is rotatably installed inside the top end of the fixed box 3. A nut 24 is screwed on the outer side of the screw rod 14. Push-pull rods 23 are rotatably installed at both ends of the nut 24 through the shaft. The bottom end of the push-pull rod 23 is movably connected to the top of the first movable plate 9 and the second movable plate 8 through the shaft. The top end of the screw rod 14 is in the shape of a "U" shape. A swivel 15 is rotatably installed on the top end of the screw rod 14. The swivel 15 is arranged on the inner side of the fixed box 3. A slide groove 18 is provided on the top wall of the fixed box 3. The top limit sliding of the slide plate 17 is slidably installed in the inside of the slide groove 18. A fixed rod 19 is fixedly provided on one side of the slide plate 17. The push plate 20 is fixedly installed on one end of the fixed rod 19. The push plate 20 and the fixed rod 19 are arranged perpendicular to each other. One end of the ring 15 is fixedly provided with a connecting rod 16, one end of the connecting rod 16 is movably connected to the other side of the slide 17 through a shaft. A baffle 22 is fixedly provided on the top of the first movable plate 9 corresponding to one side of the rain gauge 13, and the baffle 22 is arranged on one side of the push plate 20. The servo motor 10 drives the screw rod 14 to rotate inside the fixed box 3, and under the limit of the first movable plate 9, the second movable plate 8 and the push-pull rod 23, the nut 24 is lifted and lowered on the screw rod 14, which is convenient for moving the first movable plate 9 and the second movable plate 8 through the nut 24 and the push-pull rod 23, and is convenient for subsequent adjustment of the touch computer all-in-one 12 and the rain gauge 13. At the same time, the screw rod 14 drives the slide 17 to move back and forth through the swivel 15 and the connecting rod 16, and the slide 17 drives the push plate 20 and the rubber plate 21 through the fixed rod 19 to clean the top of the filter to prevent debris from affecting the monitoring of rainfall by the rain gauge 13.
[0034] In this embodiment, the interior of the inlet and outlet 4 on both sides is movably installed with a first movable plate 6 and a second movable plate 7 through a torsion spring shaft. The first movable plate 6 is arranged at the bottom of the first movable plate 9, and the second movable plate 7 is arranged at the top of the installation frame 11. The first movable plate 6 and the second movable plate 7 can close the inlet and outlet 4 under the action of the torsion spring shaft, which is convenient for protecting the touch computer all-in-one 12 and the rain gauge 13. When the second movable plate 7 is opened, it can block the top of the installation frame 11 and the touch computer all-in-one 12, which is convenient for protecting the touch computer all-in-one 12.
[0035] In this embodiment, universal wheels 2 are fixedly installed at the four corners of the bottom of the base 1, and a spring is fixedly provided on the outer side of the bottom end of the screw rod 14. The spring is provided below the nut 24 and between the first movable plate 9 and the second movable plate 8. The provision of the universal wheel 2 can facilitate the movement of the device, and the provided spring can limit the nut 24 so that the nut 24 is always in contact with the thread on the screw rod 14, which is convenient for adjusting the nut 24 upward.
[0036] When the mobile geological disaster emergency rainfall monitoring device is used, the servo motor 10 is started, and the servo motor 10 drives the screw rod 14 to rotate inside the fixed box 3. Under the limit of the push-pull rod 23 and the first movable plate 9 and the second movable plate 8, the screw rod 14 is screwed to drive the nut 24 to move downward, and the nut 24 squeezes the first movable plate 9 and the second movable plate 8 through the shaft and the push-pull rod 23, so that the first movable plate 9 and the second movable plate 8 move toward the outside of the fixed box 3. At the same time, the first movable plate 9 drives the rain gauge 13 and the baffle 22 to move, and the first movable plate 9 squeezes the first movable plate 6, and the first movable plate 6 rotates outward through the torsion spring shaft. The second movable plate 8 drives the installation frame 11 and the touch computer all-in-one 12 to move, and the installation frame 11 squeezes the second movable plate 7. The second movable plate 7 rotates outward and opens through the torsion spring shaft. The second movable plate 7 blocks the top of the installation frame 11 and the touch computer all-in-one 12, which can only increase the protection of the touch computer all-in-one 12. When the nut 24 descends, it can contact the top of the spring and squeeze the spring, so that the nut 24 is always in contact with the thread on the screw rod 14; push the fixed box 3, the device moves through the base 1 and the universal wheel 2, and pushes the device outdoors. The rain gauge 13 is connected to the touch computer all-in-one through a cable. 12 are electrically connected, and the rainfall monitoring data of the rain gauge 13 is obtained by touching the computer all-in-one 12. At the same time, the servo motor 10 is controlled to drive the screw rod 14 to rotate in the same direction. The top of the screw rod 14 pushes and pulls the connecting rod 16 through the swivel 15. The connecting rod 16 pushes and pulls the slide plate 17 through the shaft to move back and forth laterally inside the slide groove 18. The slide plate 17 drives the push plate 20 and the rubber plate 21 to move back and forth on the top of the rain gauge 13 through the fixed rod 19, which is convenient for cleaning the debris on the top of the rain gauge 13 and the filter screen. The baffle 22 is set to prevent the cleaned debris from entering the interior of the fixed box 3. This process is started once at a time to avoid the impact of the creation on the rain gauge 13 on the response to geological disasters. Rainfall monitoring; when not in use, the servo motor 10 drives the screw rod 14 to rotate in the opposite direction, and the screw rod 14 drives the first movable plate 9 and the second movable plate 8 to move toward the inside of the fixed box 3 through the nut 24 and the push-pull rod 23, and the first movable plate 9 and the second movable plate 8 drive the rain gauge 13 and the touch computer all-in-one 12 to enter the interior of the fixed box 3. At the same time, the first movable plate 6 and the second movable plate 7 rotate toward the inside of the inlet and outlet 4 under the torsion of the torsion spring shaft, and block the outside of the rain gauge 13 and the touch computer all-in-one 12, so as to facilitate the protection of the rain gauge 13 and the touch computer all-in-one 12 by the fixed box 3, the first movable plate 6 and the second movable plate 7.
[0037] In summary, the present invention adjusts the movement of the first movable plate and the second movable plate through the adjustment mechanism, so that the touch computer all-in-one and the rain gauge can be stored in the interior of the fixed box, which is convenient for storing the touch computer all-in-one and the rain gauge when not in use, thereby increasing the protection of the touch computer all-in-one and the rain gauge, and the cleaning mechanism can directly clean the debris on the top of the rain gauge, making it convenient to use the rain gauge and the touch computer all-in-one to monitor the rainfall.
[0038] The servo motor drives the screw rod to rotate inside the fixed box, so that the nut is driven by the screw connection between the screw rod and the nut. The nut moves downward under the limiting action of the push-pull rod and the first movable plate and the second movable plate, and the first movable plate and the second movable plate are moved to both sides by the push-pull rod. At the same time, the first movable plate and the mounting frame can squeeze the first movable plate and the second movable plate. The first movable plate and the second movable plate drive the mounting frame, the touch screen computer all-in-one, and the rain gauge to move out from the inside of the inlet and outlet, so that the touch screen computer all-in-one and the rain gauge can be used to monitor the emergency rainfall of geological disasters. The reverse rotation of the servo motor and the screw rod can drive the first movable plate and the second movable plate to move to the inside of the fixed box through the nut and the push-pull rod, so that the touch screen computer all-in-one and the rain gauge can be stored conveniently, and the touch screen computer all-in-one and the rain gauge can be protected when not in use.
[0039] The mounting frame can increase the protection of the touch computer all-in-one, and the second movable panel can block the top of the mounting frame when opened upward, and can block the top of the touch computer all-in-one, thereby increasing the protection of the touch computer all-in-one and facilitating the acquisition of rainfall monitoring data of the rain gauge through the touch computer all-in-one.
[0040] When the screw rotates, it can drive the swivel and the connecting rod to rotate inside the fixed box through its top, and drive the slide plate to move back and forth laterally inside the slide groove through the connecting rod. The slide plate drives the push plate to move back and forth through the fixed rod, which makes it convenient to clean the debris on the top of the rain gauge through the push plate and the rubber plate to prevent the debris from affecting the rain gauge's monitoring of rainfall, and the baffle can prevent debris from entering the interior of the fixed box.
[0041] It is important to note that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.
Claims
1. A mobile geological disaster emergency rainfall monitoring device, characterized by: include, A base (1) is provided with a fixed box (3) fixed on the top of the base (1), an inlet and outlet (4) are symmetrically provided on both sides of the top of the fixed box (3), a touch computer integrated machine (12) and a rain gauge (13) are respectively provided on both sides of the interior of the fixed box (3) through an adjustment mechanism, the adjustment mechanism comprises a second movable plate (8) and a first movable plate (9), the first movable plate (9) and the second movable plate (8) are limitedly slidably installed inside the inlet and outlet (4), and a mounting frame (11) is fixedly provided on the top of the second movable plate (8). The touch computer all-in-one (12) is fixedly mounted inside the mounting frame (11), the rain gauge (13) is fixedly mounted on the top of the first movable plate (9), a cleaning mechanism (5) is provided on the inner top of the right side of the inlet and outlet (4), the cleaning mechanism (5) comprises a slide plate (17), a push plate (20) and a rubber plate (21), the rubber plate (21) is fixedly mounted on the bottom of the push plate (20), the push plate (20) and the rubber plate (21) are arranged above the rain gauge (13), and a filter is installed on the top of the rain gauge (13).
2. The mobile geological disaster emergency rainfall monitoring device according to claim 1, characterized in that: A servo motor (10) is fixedly mounted at the inner center position of the bottom end of the fixed box (3), a screw rod (14) is fixedly mounted on the output shaft of the servo motor (10), and the screw rod (14) is rotatably mounted inside the top end of the fixed box (3).
3. The mobile geological disaster emergency rainfall monitoring device according to claim 2, characterized in that: The outer side of the screw rod (14) is threadedly mounted with a nut (24), and both ends of the nut (24) are rotatably mounted with a push-pull rod (23) via a shaft, and the bottom end of the push-pull rod (23) is movably connected to the top of the first movable plate (9) and the second movable plate (8) via the shaft.
4. The mobile geological disaster emergency rainfall monitoring device according to claim 3, characterized in that: The top end of the screw rod (14) is in a "U" shape, and a swivel (15) is installed on the top end of the screw rod (14) for limited rotation. The swivel (15) is arranged on the inner side of the fixed box (3).
5. The mobile geological disaster emergency rainfall monitoring device according to claim 4, characterized in that: A sliding groove (18) is provided on the top wall of the fixed box (3), the top end of the slide plate (17) is slidably mounted inside the sliding groove (18), and a fixing rod (19) is fixedly provided on one side of the slide plate (17).
6. The mobile geological disaster emergency rainfall monitoring device according to claim 5, characterized in that: The push plate (20) is fixedly mounted on one end of the fixed rod (19), and the push plate (20) and the fixed rod (19) are arranged perpendicular to each other.
7. The mobile geological disaster emergency rainfall monitoring device according to claim 6, characterized in that: A connecting rod (16) is fixedly provided at one end of the rotating ring (15), and one end of the connecting rod (16) is movably connected to the other side of the slide plate (17) through a shaft rod.
8. The mobile geological disaster emergency rainfall monitoring device according to claim 7, characterized in that: A baffle (22) is fixedly provided on one side of the top of the first movable plate (9) corresponding to the rain gauge (13), and the baffle (22) is provided on one side of the push plate (20).
9. The mobile geological disaster emergency rainfall monitoring device according to claim 8, characterized in that: A first movable plate (6) and a second movable plate (7) are movably installed inside the inlet and outlet (4) on both sides via a torsion spring shaft. The first movable plate (6) is arranged at the bottom of the first movable plate (9), and the second movable plate (7) is arranged at the top of the installation frame (11).
10. The mobile geological disaster emergency rainfall monitoring device according to claim 9, characterized in that: Universal wheels (2) are fixedly installed at the four corners of the bottom of the base (1), and a spring is fixedly installed on the outer side of the bottom end of the screw rod (14). The spring is arranged below the nut (24) and between the first movable plate (9) and the second movable plate (8).
Citation Information
Patent Citations
Mobile portable ground disaster emergency rainfall automatic monitoring instrument
CN221378283U
Rainfall measuring device and system thereof
CN116594087A
Water conservation capability monitoring device and monitoring method
CN117929680A