An atmospheric pollutant distribution detection and tracing system

By combining gas concentration detection and drone flight trajectory analysis, and using scatter plots and linear equations to calculate the location of gas sources, the problems of high cost and low accuracy of satellite monitoring are solved, and efficient and low-cost pollutant tracing is achieved.

CN116858996BActive Publication Date: 2025-09-12RES INST OF CHEM DEFENSE PLA ACAD OF MILITARY SCI
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Patent Information

Application Number
CN202310795955.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-01
Publication Date
2025-09-12
Estimated Expiration
2043-07-01

AI Technical Summary

Technical Problem

The existing atmospheric pollutant distribution detection and tracing system relies on satellite monitoring, which is costly and its accuracy is severely affected by weather, making it less practical.

Method used

The system uses a gas concentration detection unit, a UAV flight unit, a first-order and second-order data processing unit, a central processing unit, and an information acquisition and storage terminal unit. Combined with the flexible flight trajectory of the UAV, the location of the gas source is calculated through a scatter plot and a linear equation to improve detection accuracy.

Benefits of technology

It reduces the detection cost, improves the accuracy and practicality of atmospheric pollutant distribution detection, and adapts to the needs of pollutant tracing in different terrains.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention proposes a system for detecting and tracing the distribution of atmospheric pollutants, comprising a gas concentration detection unit, an unmanned aerial vehicle (UAV) flight unit, a first-order data processing unit, a central processing unit, a second-order data processing unit, and an information collection and storage terminal unit. Leveraging the flexibility of the UAV flight unit, this system facilitates detection and tracing of atmospheric pollutants in diverse terrains. Compared to satellite detection, this system can reduce costs, improve detection accuracy, and enhance practicality.
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Description

Technical Field

[0001] The present invention belongs to the technical field of atmospheric environmental protection, and in particular relates to an atmospheric pollutant distribution detection and tracing system. Background Art

[0002] Air pollutants can be broadly categorized into two types: natural and man-made. Man-made pollutants are often responsible for causing public health hazards, primarily from harmful gases generated by fuel combustion and large-scale industrial and mining operations. Existing methods for detecting and tracing the distribution of air pollutants rely on satellite monitoring, which is not only costly but also severely affected by weather, making detection accuracy less practical. Summary of the Invention

[0003] (1) Technical issues to be solved

[0004] The present invention proposes an atmospheric pollutant distribution detection and tracing system to solve the technical problem of how to improve detection accuracy and enhance practicality.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the present invention proposes an atmospheric pollutant distribution detection and tracing system, which includes a gas concentration detection unit, an unmanned aerial vehicle flight unit, a first-order data processing unit, a central processing unit, a second-order data processing unit and an information collection and storage terminal unit; wherein,

[0007] The gas concentration detection unit is used to measure the gas concentration at the location once every certain time interval, and send the gas concentration and the measurement location coordinates to the first-order data processing unit in real time; the UAV flight unit is used to carry the gas concentration detection unit, receive the specified coordinates and specified direction sent by the central processing unit, perform circular flight at a predetermined height with the specified coordinates as the center and a preset distance as the radius, and fly in a straight line along the specified direction; the first-order data processing unit is used to receive the real-time gas concentration and its corresponding location coordinates sent by the gas concentration detection unit when the UAV flight unit performs circular flight, draw the gas concentration value of the corresponding location coordinate as a scatter plot according to the circular trajectory of the coordinates, calculate the coordinate with the smallest discrete value according to the scatter plot, and send it to the central processing unit; the central processing unit is used to receive the first-order data The coordinate information sent by the processing unit is sent as the designated coordinate to the UAV flight unit. After sending several groups of designated coordinates, a linear equation is calculated based on the several groups of designated coordinates, and the approximate direction of the gas source is obtained according to the linear equation, and this direction is sent to the UAV flight unit as the designated direction; the second-order data processing unit is used to receive the real-time gas concentration and its corresponding position coordinates sent by the gas concentration detection unit when the UAV flight unit is flying in a straight line, and the gas concentration value of the corresponding position coordinate is plotted as a scatter plot according to the straight line trajectory of the coordinates, and the coordinate with the smallest discrete value is calculated based on the scatter plot, and sent to the information acquisition and storage terminal unit; the information acquisition and storage terminal unit is used to receive the coordinate information sent by the second-order data processing unit, and display the coordinate as the gas source coordinate.

[0008] Furthermore, the gas concentration detection unit can detect gases including sulfur oxides, nitrogen oxides, hydrocarbons and radioactive aerosols.

[0009] Furthermore, the atmospheric pollutant distribution detection and tracing system also includes a verification unit for receiving the location coordinates sent by the second-order data processing unit, and using this coordinate as the starting coordinate to repeatedly perform gas concentration and measurement location coordinates multiple times until the coordinates with the smallest discrete values ​​obtained by the second-order data processing unit twice are consistent, and this coordinate is used as the gas source.

[0010] Furthermore, the information collection and storage terminal unit can control the flight trajectory of the UAV flight unit, and at the same time receive and display the gas concentration and its location coordinates sent by the gas concentration detection unit.

[0011] Furthermore, the number of times the central processing unit sends the designated coordinates is set via the information collection and storage terminal unit.

[0012] Furthermore, the atmospheric pollutant distribution detection and tracing system also includes a command unit for setting the flight altitude of the UAV flight unit and the radius distance when performing circular flight.

[0013] Furthermore, the command unit and the information collection and storage terminal unit are installed on the mobile communication terminal in an APP format.

[0014] Furthermore, it is characterized in that the location coordinates are longitude and latitude coordinates.

[0015] (3) Beneficial effects

[0016] This invention proposes a system for detecting and tracing the distribution of atmospheric pollutants, comprising a gas concentration detection unit, an unmanned aerial vehicle (UAV) flight unit, a first-order data processing unit, a central processing unit, a second-order data processing unit, and an information collection and storage terminal unit. Leveraging the flexibility of the UAV flight unit, this system facilitates detection and tracing of atmospheric pollutants in diverse terrains. Compared to satellite detection, this system can reduce costs, improve detection accuracy, and enhance practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a logic flow chart of the atmospheric pollutant distribution detection and tracing system of the present invention. DETAILED DESCRIPTION

[0018] In order to make the purpose, content and advantages of the present invention more clear, the specific implementation methods of the present invention are further described in detail below with reference to the accompanying drawings and examples.

[0019] This embodiment proposes an atmospheric pollutant distribution detection and tracing system, whose composition and logic flow are as follows: Figure 1 As shown, the system mainly includes a gas concentration detection unit, a UAV flight unit, a first-order data processing unit, a central processing unit, a second-order data processing unit and an information acquisition and storage terminal unit.

[0020] The gas concentration detection unit is used to measure the gas concentration at the location once every certain time interval, and send the gas concentration and the measurement location coordinates to the first-order data processing unit in real time; the UAV flight unit is used to carry the gas concentration detection unit, receive the specified coordinates and specified direction sent by the central processing unit, perform circular flight at a predetermined height with the specified coordinates as the center and a preset distance as the radius, and fly in a straight line along the specified direction; the first-order data processing unit is used to receive the real-time gas concentration and its corresponding location coordinates sent by the gas concentration detection unit when the UAV flight unit performs circular flight, draw the gas concentration value of the corresponding location coordinate as a scatter plot according to the circular trajectory of the coordinates, calculate the coordinate with the smallest discrete value according to the scatter plot, and send it to the central processing unit; the central processing unit is used to receive the first-order data The coordinate information sent by the processing unit is sent as the designated coordinate to the UAV flight unit. After sending several groups of designated coordinates, a linear equation is calculated based on the several groups of designated coordinates, and the approximate direction of the gas source is obtained according to the linear equation, and this direction is sent to the UAV flight unit as the designated direction; the second-order data processing unit is used to receive the real-time gas concentration and its corresponding position coordinates sent by the gas concentration detection unit when the UAV flight unit is flying in a straight line, and the gas concentration value of the corresponding position coordinate is plotted as a scatter plot according to the straight line trajectory of the coordinates, and the coordinate with the smallest discrete value is calculated based on the scatter plot, and sent to the information acquisition and storage terminal unit; the information acquisition and storage terminal unit is used to receive the coordinate information sent by the second-order data processing unit, and display the coordinate as the gas source coordinate.

[0021] The position coordinates involved in the present invention are longitude and latitude coordinates. The gas concentration detection unit can detect gases including sulfur oxides, nitrogen oxides, hydrocarbons and radioactive aerosols.

[0022] The atmospheric pollutant distribution detection and tracing system also includes a verification unit for receiving the location coordinates sent by the second-order data processing unit, and using this coordinate as the starting coordinate to repeatedly measure the gas concentration and the location coordinates multiple times until the coordinates with the smallest discrete values ​​obtained by the second-order data processing unit are consistent twice, and this coordinate is used as the gas source.

[0023] The information collection and storage terminal unit can also control the flight trajectory of the drone flight unit, while receiving and displaying the gas concentration and location coordinates sent by the gas concentration detection unit. The number of times the central processing unit sends a specified coordinate can be set through the information collection and storage terminal unit.

[0024] The atmospheric pollutant distribution detection and tracing system also has a command unit for setting the flight altitude of the UAV flight unit and the radius distance of the UAV flight unit when performing circular flight.

[0025] The command unit and the information collection and storage terminal unit in the present invention can be installed on a mobile phone in an APP format.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An atmospheric pollutant distribution detection and tracing system, characterized in that: The atmospheric pollutant distribution detection and tracing system includes a gas concentration detection unit, a UAV flight unit, a first-order data processing unit, a central processing unit, a second-order data processing unit, an information collection and storage terminal unit, and a verification unit; wherein, The gas concentration detection unit is used to measure the gas concentration at a certain time interval and send the gas concentration and the measurement position coordinates to the first-order data processing unit in real time; The UAV flight unit is used to carry the gas concentration detection unit, receive the specified coordinates and specified direction sent by the central processing unit, and fly in a circle at a predetermined height with the specified coordinates as the center and a preset distance as the radius, and fly in a straight line along the specified direction; The first-order data processing unit is used to receive the real-time gas concentration and its corresponding position coordinates sent by the gas concentration detection unit when the UAV flight unit performs circular flight, plot the gas concentration values ​​corresponding to the position coordinates as a scatter plot according to the circular trajectory of the coordinates, calculate the coordinates with the minimum discrete value based on the scatter plot, and send it to the central processing unit; The central processing unit is configured to receive coordinate information sent by the first-order data processing unit and send the coordinates as designated coordinates to the UAV flight unit. After sending a plurality of sets of designated coordinates, a linear equation is calculated based on the plurality of sets of designated coordinates, and the approximate direction of the gas source is obtained based on the linear equation, and the direction is sent as the designated direction to the UAV flight unit. The number of times the designated coordinates are sent by the central processing unit is set by the information acquisition and storage terminal unit. The second-order data processing unit is used to receive the real-time gas concentration and its corresponding position coordinates sent by the gas concentration detection unit when the UAV flight unit is performing straight-line flight, plot the gas concentration values ​​corresponding to the position coordinates as a scatter plot based on the straight-line trajectory of the coordinates, calculate the coordinates with the minimum discrete value based on the scatter plot, and send the coordinates to the information collection and storage terminal unit; The information acquisition and storage terminal unit is used to receive the coordinate information sent by the secondary data processing unit and display the coordinates as the gas source coordinates; the information acquisition and storage terminal unit can control the flight trajectory of the UAV flight unit and simultaneously receive and display the gas concentration and location coordinates sent by the gas concentration detection unit; The verification unit is used to receive the position coordinates sent by the second-order data processing unit, and use these coordinates as the starting coordinates to repeatedly perform multiple gas concentration and position coordinate measurements until the coordinates with the smallest discrete values ​​obtained by the second-order data processing unit are consistent twice, and these coordinates are used as the gas source.

2. The atmospheric pollutant distribution detection and tracing system according to claim 1, characterized in that: The gas concentration detection unit can detect gases including sulfur oxides, nitrogen oxides, hydrocarbons and radioactive aerosols.

3. The atmospheric pollutant distribution detection and tracing system according to claim 1, characterized in that: The atmospheric pollutant distribution detection and tracing system also includes a command unit for setting the flight altitude of the UAV flight unit and the radius distance when performing circular flight.

4. The atmospheric pollutant distribution detection and tracing system according to claim 3, characterized in that: The command unit and the information collection and storage terminal unit are installed in the mobile communication terminal in APP format.

5. The atmospheric pollutant distribution detection and tracing system according to any one of claims 1 to 4, characterized in that: The location coordinates are latitude and longitude coordinates.

Citation Information

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