Rainfall measuring device

Abstract

The utility model relates to the technical field of rainfall measurement, and discloses a rainfall measuring device which comprises a shell, a display screen arranged on one side of an inner cavity of the shell, a pressure sensor fixedly installed at the lower end of the other side of the inner cavity of the shell, a cylinder arranged at the upper end of the pressure sensor, and a servo motor fixedly installed in the middle of the upper end of the shell. A transmission rod is installed at the output end of the servo motor. According to the technical scheme, the driving gear on the transmission rod can drive the driven gear to rotate, the driven gear drives the lead screw to rotate, and the lead screw is matched with the lead screw sleeve to drive the arc-shaped filter screen to move upwards, so that sundries such as fallen leaves falling on the edge of the arc-shaped filter screen move to the opening edge of the cylinder body; and in the rotating process of the lead screw, a scraping frame on the lead screw can rotate along with the lead screw, dust and scaling on the inner wall of the barrel are scraped and cleaned through the scraping frame, rainwater is discharged through an electromagnetic valve in cooperation with the scraping frame, and the rainfall can be further conveniently measured next time.

Description

Technical Field

[0001] The utility model relates to the technical field of rainfall measurement, in particular to a rainfall measurement device. Background Art

[0002] A rain gauge is a tool used to measure the amount of rainfall in a local area and calculate the specific rainfall at a certain time. Existing rain gauges mainly measure the amount of rain flow through rainwater measuring sensors. After measuring the amount of rainwater, general rain gauges need to be manually drained for the next use.

[0003] After searching, the publication number is (CN217718133U), which discloses a rainfall measuring device, including a base, a shell is fixedly provided in the middle of the top of the base, a battery box is fixedly provided on one side of the top of the base, a microcomputer control box is fixedly provided on the top of the battery box, a water discharge assembly is fixedly provided on the top of the shell, and a fixed shell is fixedly connected to the middle of the top of the base.

[0004] When implementing this technical solution, at least the following defects still exist: although the utility model can measure rainwater and discharge rainwater and debris such as fallen leaves after each measurement, the dust mixed in the rainwater is very easy to adhere to the inner wall of the cylinder, and it is inconvenient to clean the rainwater each time it is discharged, resulting in scaling that affects the accuracy of the next rainfall measurement, and it is inconvenient to clean up debris such as fallen leaves, which urgently needs to be improved. Therefore, we propose a rainfall measuring device. Utility Model Content

[0005] The utility model aims to provide a rainfall measuring device, which solves the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rainfall measuring device, comprising a shell, a display screen is arranged on one side of the inner cavity of the shell, a pressure sensor is fixedly installed at the lower end of the other side of the inner cavity of the shell, a cylinder is arranged at the upper end of the pressure sensor, a servo motor is fixedly installed at the middle part of the upper end of the shell, a transmission rod is arranged at the output end of the servo motor, a driving gear is fixedly installed at the end of the transmission rod, and a screw is arranged at the middle part of the inner cavity of the cylinder;

[0007] An arc-shaped filter screen is movably installed at the upper end of the inner cavity of the cylinder, a positioning rod is fixedly installed on the other side of the upper end of the cylinder, a scraper frame is fixedly installed in the middle of the screw rod, one side of the scraper frame is in contact with the inner wall of the cylinder, and the lower end of the other side of the cylinder is connected to a solenoid valve.

[0008] By adopting the above technical solution, when the rain measurement is completed, the active gear on the transmission rod can drive the driven gear to rotate, and the driven gear can drive the screw to rotate. The screw can cooperate with the screw sleeve to drive the arc filter to move upward, so that the fallen leaves and other debris falling on the edge of the arc filter can be moved to the edge of the cylinder, so that it is convenient for the staff to clean the fallen leaves. In the process of the screw rotation, the scraper frame on the screw follows the rotation, so that the scraper frame scrapes and cleans the dust and scale on the inner wall of the cylinder, and then cooperates with the rainwater to be discharged through the solenoid valve, which is further convenient for the next rainfall measurement.

[0009] Optionally, a driven gear is fixedly mounted on the upper end of the screw rod, and the driving gear is meshed with the driven gear.

[0010] By adopting the above technical solution, the driving gear cooperates with the driven gear, thereby facilitating the screw rod to rotate, thereby further completing the cleaning of the cylinder.

[0011] Optionally, a screw sleeve is fixedly installed in the middle of the arc-shaped filter screen, and the screw is threadedly connected to the screw sleeve.

[0012] By adopting the above technical solution, it is convenient to cooperate with the screw rod and the screw rod sleeve, so as to conveniently drive the arc-shaped filter screen to move.

[0013] Optionally, the lower end of the screw rod is rotatably connected to the middle part of the lower end of the inner cavity of the cylinder through a bearing.

[0014] By adopting the above technical solution, the stability of the screw rod rotation is ensured, thereby facilitating the smooth rotation of the screw rod.

[0015] Optionally, one end of the positioning rod is movably connected to one side of the arc-shaped filter screen.

[0016] By adopting the above technical solution, it is convenient to position the arc-shaped filter screen through the positioning rod, thereby facilitating the arc-shaped filter screen to move up and down.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] The technical solution of the present application is to set up a shell, a display screen, a pressure sensor, a cylinder, a screw, an arc-shaped filter screen and a solenoid valve. When the rain measurement is completed, the active gear on the transmission rod can drive the driven gear to rotate, and the driven gear can drive the screw to rotate. The screw can cooperate with the screw sleeve to drive the arc-shaped filter screen to move upward, so that the fallen leaves and other debris falling on the edge of the arc-shaped filter screen are moved to the edge of the cylinder, so that it is convenient for the staff to clean the fallen leaves. During the rotation of the screw, the scraper frame on the screw can also follow the rotation, so that the scraper frame can scrape and clean the dust and scale on the inner wall of the cylinder, and then cooperate with the rainwater to be discharged through the solenoid valve, so as to further facilitate the measurement of rainfall next time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a rainfall measuring device of the utility model;

[0021] Figure 2 It is a schematic diagram of the partially enlarged structure of location A of a rainfall measuring device of the utility model.

[0022] In the figure: 1. Shell; 11. Display screen; 12. Pressure sensor; 13. Cylinder; 2. Servo motor; 21. Transmission rod; 22. Driving gear; 23. Screw rod; 24. Driven gear; 25. Screw rod sleeve; 3. Arc filter; 31. Positioning rod; 32. Scraper frame; 4. Solenoid valve. DETAILED DESCRIPTION

[0023] See also Figure 1-2 The utility model provides a technical solution: a rainfall measuring device, comprising a shell 1, a display screen 11 is arranged on one side of the inner cavity of the shell 1, which is convenient for displaying pressure data, a pressure sensor 12 is fixedly installed at the lower end of the other side of the inner cavity of the shell 1, and a cylinder 13 is arranged on the upper end of the pressure sensor 12, which is convenient for collecting rainwater, a servo motor 2 is fixedly installed in the middle of the upper end of the shell 1, a transmission rod 21 is installed at the output end of the servo motor 2, and a driving gear 22 is fixedly installed at the end of the transmission rod 21, which is convenient for driving the screw rod 23 to rotate, and a screw rod 23 is arranged in the middle of the inner cavity of the cylinder 13;

[0024] An arc-shaped filter screen 3 is movably installed at the upper end of the inner cavity of the cylinder 13, a positioning rod 31 is fixedly installed on the other side of the upper end of the cylinder 13, a scraper frame 32 is fixedly installed in the middle of the screw rod 23, one side of the scraper frame 32 is in contact with the inner wall of the cylinder 13, and the lower end of the other side of the cylinder 13 is connected with the solenoid valve 4, the lower end of the screw rod 23 is rotatably connected to the middle of the lower end of the inner cavity of the cylinder 13 through a bearing, so as to ensure the stability of the rotation of the screw rod 23, thereby facilitating the smooth rotation of the screw rod 23, one end of the positioning rod 31 is movably connected with one side of the arc-shaped filter screen 3, so as to facilitate the positioning of the arc-shaped filter screen 3 by the positioning rod 31, thereby facilitating the up and down movement of the arc-shaped filter screen 3.

[0025] A driven gear 24 is fixedly mounted on the upper end of the screw rod 23 , and the driving gear 22 meshes with the driven gear 24 . The driving gear 22 cooperates with the driven gear 24 , thereby conveniently driving the screw rod 23 to rotate, thereby further completing the cleaning of the cylinder 13 .

[0026] A screw sleeve 25 is fixedly installed in the middle of the arc-shaped filter screen 3, and the screw rod 23 is threadedly connected to the screw sleeve 25, so that the screw rod 23 and the screw sleeve 25 cooperate with each other, thereby conveniently driving the arc-shaped filter screen 3 to move.

[0027] When measuring rainfall, the fallen leaves and other debris in the rainwater are isolated by the arc filter 3 in the cylinder 13, and the rainwater is discharged into the cylinder 13 for storage, and then the weight is measured by the pressure sensor 12 to further calculate the size of the rainfall. When the rainwater measurement is completed, the servo motor 2 is turned on, and the servo motor 2 drives the transmission rod 21 to rotate, so that the active gear 22 on the transmission rod 21 drives the driven gear 24 to rotate, and the driven gear 24 drives the screw rod 23 to rotate, and the screw rod 23 cooperates with the screw rod sleeve 25 to drive the arc filter 3 to move upward, so that the fallen leaves and other debris falling on the edge of the arc filter 3 are moved to the edge of the cylinder 13, so as to facilitate the staff to clean the fallen leaves, and during the rotation of the screw rod 23, the scraper frame 32 on the screw rod 23 rotates accordingly, so that the scraper frame 32 scrapes and cleans the dust and scaling on the inner wall of the cylinder 13, and then cooperates with the rainwater to be discharged through the solenoid valve 4, which is further convenient for the next measurement of rainfall.

Claims

1. A rainfall measuring device, comprising a housing (1), characterized in that: A display screen (11) is provided on one side of the inner cavity of the shell (1); a pressure sensor (12) is fixedly mounted on the lower end of the other side of the inner cavity of the shell (1); a cylinder (13) is provided on the upper end of the pressure sensor (12); a servo motor (2) is fixedly mounted on the middle part of the upper end of the shell (1); a transmission rod (21) is installed on the output end of the servo motor (2); a driving gear (22) is fixedly mounted on the end of the transmission rod (21); and a screw rod (23) is provided on the middle part of the inner cavity of the cylinder (13); An arc-shaped filter screen (3) is movably mounted on the upper end of the inner cavity of the cylinder (13); a positioning rod (31) is fixedly mounted on the other side of the upper end of the cylinder (13); a scraper frame (32) is fixedly mounted on the middle of the screw rod (23); one side of the scraper frame (32) is in contact with the inner wall of the cylinder (13); and the lower end of the other side of the cylinder (13) is connected to a solenoid valve (4).

2. A rainfall measuring device according to claim 1, characterized in that: A driven gear (24) is fixedly mounted on the upper end of the screw rod (23), and the driving gear (22) is meshed with the driven gear (24).

3. A rainfall measuring device according to claim 1, characterized in that: A screw sleeve (25) is fixedly mounted in the middle of the arc-shaped filter screen (3), and the screw rod (23) is threadedly connected to the screw sleeve (25).

4. A rainfall measuring device according to claim 1, characterized in that: The lower end of the screw rod (23) is rotatably connected to the middle portion of the lower end of the inner cavity of the cylinder (13) via a bearing.

5. A rainfall measuring device according to claim 1, characterized in that: One end of the positioning rod (31) is movably connected to one side of the arc-shaped filter screen (3).

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