Rainfall sensor calibrating device

By designing a rain gauge sensor calibration device, the problem of automated rain gauge sensor calibration was solved, enabling multi-level inspection of rain gauge sensors. This solved the problem of automated inspection of rain gauge sensors in the existing technology, simplified the operation process, reduced manual intervention, and improved the calibration efficiency.

CN223597925UActive Publication Date: 2025-11-25NINGXIA HUI AUTONOMOUS REGION ATMOSPHERIC DETECTION TECH GUARANTEE CENT
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Patent Information

Application Number
CN202423047728.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-25
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing rain gauges are difficult to calibrate efficiently and automatically in automatic weather stations, which affects measurement accuracy.

Method used

A rain gauge sensor calibration device was designed, consisting of a microcontroller module, an electronic balance module, a water-collecting container, control valves A and B, a power supply module, a keyboard module, and a display module. The rain gauge sensor is calibrated by weighing with an electronic balance, achieving unattended automated calibration.

Benefits of technology

This system enables multi-level automatic calibration of rain gauges, ensuring measurement accuracy, simplifying the operation process, reducing manual intervention, and improving calibration efficiency.

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Abstract

The utility model discloses a rain sensor calibrating device which is composed of a microcontroller module, an electronic balance module, a water container, a control valve A, a control valve B, a power supply module, a keyboard group module and a display module. The power supply receiving end of the microcontroller module is in butt joint with the power supply module, the control information output end of the microcontroller module is in butt joint with the control valve A and the control valve B respectively, the video output end of the microcontroller module is in butt joint with the display module, and the information input end of the microcontroller module is in butt joint with the keyboard group module. The rain sensor calibration device is simple in structure, the rain sensor is calibrated through a weighing mode of the electronic balance module, automatic calibration of multiple points such as light rain, moderate rain and heavy rain of the rain sensor can be realized, and unattended operation can be realized.
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Description

Technical Field

[0001] This utility model relates to the technical field of meteorological monitoring equipment, specifically to a rainfall sensor calibration device. Background Technology

[0002] To meet the needs of meteorological operations, nearly 40,000 automatic weather stations have been built nationwide, forming an automatic meteorological observation network. Real-time rainfall and rainfall intensity are among the key observation elements. In this automatic weather network, the main sensors used for rainfall observation are the SL3 double-tip bucket rain gauge and the SL2 single-tip bucket rain gauge. To ensure the accuracy of these sensors, regular inspections are necessary. Utility Model Content

[0003] The purpose of this invention is to provide a rain gauge sensor calibration device that can effectively solve the problems existing in the background art.

[0004] To address the problems existing in the background technology, it consists of a microcontroller module, an electronic balance module, a water container, control valve A and control valve B, a power supply module, a keyboard module and a display module;

[0005] The power receiving end of the microcontroller module is connected to the power module, the control information output end of the microcontroller module is connected to control valve A and control valve B respectively, the video output end of the microcontroller module is connected to the display module, and the information input end of the microcontroller module is connected to the keyboard module.

[0006] The water-receiving container is mounted on the electronic balance module, and the information output terminal of the electronic balance module is connected to the microcontroller module.

[0007] The water inlet of the water-collecting container is connected to the clean water collection device through the first pipe 1, the water inlet of the clean water collection device is connected to the water inlet for collecting rainwater through the second pipe 2, and the water outlet of the water-collecting container is connected to the drain outlet through the third pipe 3.

[0008] The control valve A is installed on the first pipeline 1;

[0009] The control valve B is installed on the third pipe 3.

[0010] A rain sensor is installed on the drain outlet, and the information output terminal of the rain sensor is connected to the information input terminal of the microcontroller module.

[0011] Due to the adoption of the above technical solutions, this utility model has the following beneficial effects: it has a simple structure, and the rain sensor is calibrated by weighing with an electronic balance module. It can realize automatic calibration of multiple points such as light rain, moderate rain, and heavy rain, and can be done without human intervention. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a flowchart of the process of this utility model. Detailed Implementation

[0015] To make the technical means, creative features, objectives and effects of this utility model easy to understand, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model.

[0016] See Figure 1 It consists of a microcontroller module, an electronic balance module, a water container, control valve A and control valve B, a power module, a keyboard module and a display module;

[0017] The power receiving end of the microcontroller module is connected to the power module, the control information output end of the microcontroller module is connected to control valve A and control valve B respectively, the video output end of the microcontroller module is connected to the display module, and the information input end of the microcontroller module is connected to the keyboard module.

[0018] The water-receiving container is mounted on the electronic balance module, and the information output terminal of the electronic balance module is connected to the microcontroller module.

[0019] The water inlet of the water-collecting container is connected to the clean water collection device through the first pipe 1, the water inlet of the clean water collection device is connected to the water inlet for collecting rainwater through the second pipe 2, and the water outlet of the water-collecting container is connected to the drain outlet through the third pipe 3.

[0020] The control valve A is installed on the first pipeline 1;

[0021] The control valve B is installed on the third pipe 3.

[0022] A rain sensor is installed on the drain outlet, and the information output terminal of the rain sensor is connected to the information input terminal of the microcontroller module.

[0023] The following, in conjunction with the accompanying drawings, further elaborates on the usage method and principle of the technical solution in this specific embodiment:

[0024] Work process as follows Figure 2 As shown, in this specific embodiment, after power-on, the microcontroller module, display module, and electronic balance module are first initialized. After initialization, a certain amount of clean water is injected into the clean water collection device to begin calibration. The calibration point size is set as needed, and the start button is pressed via the keyboard module to inject clean water into the water-collecting container. When the weight of the electronic balance module reaches the calibration point, control valve A is closed via the microcontroller module, while control valve B is opened to inject water into the rain sensor. After all the water in the water-collecting container is drained, control valve B is closed via the microcontroller module. The rain sensor data is read using the display module. If the data meets the requirements of the calibration procedure, the calibration is complete; otherwise, the rain sensor should be adjusted, and the calibration should be performed again according to the above procedure until it meets the requirements of the procedure.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A rain sensor calibration device, which is composed of a microcontroller module, an electronic balance module, a water receiving container, a control valve A and a control valve B, a power module, a keyboard module and a display module; the power receiving end of the microcontroller module is connected with the power module, the control information output end of the microcontroller module is connected with the control valve A and the control valve B respectively, the video output end of the microcontroller module is connected with the display module, and the information input end of the microcontroller module is connected with the keyboard module; characterized in that the water receiving container is installed on the electronic balance module, and the information output end of the electronic balance module is connected with the microcontroller module.

2. A rain sensor calibration device according to claim 1, wherein the water inlet end of the water receiving container is connected with a clean water collecting device through a first pipeline (1), the water inlet end of the clean water collecting device is connected with a water inlet for receiving rainwater through a second pipeline (2), and the water outlet end of the water receiving container is connected with a water outlet through a third pipeline (3); the control valve A is installed on the first pipeline (1); the control valve B is installed on the third pipeline (3).

3. A rain sensor calibration device according to claim 2, wherein The rain sensor calibration device is characterized in that a rain sensor is installed on the water outlet, and the information output end of the rain sensor is connected with the information input end of the microcontroller module.