UAV gas detector robot gas sensor

UAV-mounted Gas Detector

Background Overview

With the increasingly severe air pollution in our country in recent years, the proportion of pollutants is becoming heavier, and thus the task of air pollution detection and control in China is also becoming more arduous. The state has deployed and improved particulate matter and gas detection equipment in most cities, forming a ground-based pollution source detection network with dense distribution of national control points combined with provincial control points.

However, we can also clearly see that there is still a large gap between the predictions made based on national control point ground detection data and the development of actual environmental pollution conditions. In addition, the control measures implemented based on ground monitoring data, such as ground watering, construction site covering, traffic restrictions, industrial production restrictions, boiler retrofitting, and desulfurization and denitrification treatments, have not yielded satisfactory results.

As the third-generation remote sensing technology following aviation and aerospace remote sensing, UAV (Unmanned Aerial Vehicle) remote sensing technology has advantages such as three-dimensional monitoring, fast response, wide monitoring range, and small terrain interference. It is one of the important development directions for identifying the sources of atmospheric sudden pollution events and monitoring concentration in the future.

However, due to the limited payload of UAVs, completing high-precision atmospheric environmental monitoring work requires high-precision sensor payloads. There are not many traditional sensors available due to limitations in volume, weight, etc. Therefore, our company has researched and developed small, lightweight sensor payloads suitable for UAV mounting to realize UAV atmospheric pollution monitoring and UAV fixed pollutant detection.

Features of UAV-mounted Gas Detector

●The software supports multiple UAV manufacturers, including all DJI series

●Thousands of gas sensors can be replaced at any time, and the system features automatic gas type recognition

●Shell design with waterproof, windproof, dustproof, and anti-collision features

●Real-time display and real-time transmission of monitoring data, generating corresponding trend curves

●View historical real-time data, and simultaneously generate curve analysis charts, lists, and chart styles to display historical data, facilitating comparative viewing

●Can display longitude and latitude, altitude, aircraft status, temperature, humidity, PM1, PM2.5, PM10, and real-time concentration values of thousands of gases

●Detection accuracy can reach ppb level

●Real-time wireless data transmission to the ground terminal, and also real-time transmission to the server via GPRS

UAV Gas Detection Payload Parameters

●Applicable: Multi-rotor UAVs, Fixed-wing

●Detected Gases: PM2.5, PM10, NO2, SO2, CO, O3, VOC, etc. (optional)

●Detection Principle: Electrochemical, Laser

●Weight: 1000 grams (7 parameters)

●Dimensions: 220×145×60mm

●Power Supply: 12-24V

●Data Transmission Mode: 4G/Wireless data transmission

●Operating Environment Temperature: (-30~+60)℃

●Operating Environment Humidity: (15 ~ 95)% RH (non-condensing)

●Equipment Lifespan: More than 5 years (excluding consumables)

UAV Gas Detection Payload Dimension Diagram

The software of the ground receiving system is specially designed dedicated software for receiving, decoding, displaying, processing, and reporting the above-mentioned monitoring and detection data. It is separate from the flight control software and consists of two relatively independent software programs. When the UAV flies normally with our company's gas detection equipment, it can detect concentration values in real-time and transmit them back to the ground software for data analysis and display. It also supports multi-detector synchronous data return and processing functions.

The data analysis software platform mainly includes functions such as real-time data display, checking whether the detection environment data status is normal, alarm value points, real-time data value change trends, and historical data query and export, which are synchronized in the ground receiving system.

(1) Real-time data display is shown in the figure below:

Data Display Monitoring Large Screen

The software platform can display corresponding detection data and change trends in real-time, integrating air quality gas sensor data and toxic gas emergency monitoring data into a unified platform for unified management and comprehensive display. Gas sensor data represents different pollution levels with different colors.

(2) Historical data query is shown in the figure below:

Historical Data Query Interface

Perform simple statistical analysis on historical monitoring data of various points, such as daily variation analysis and time series analysis, helping the purchaser save manual analysis time costs, while also helping the purchaser understand the basic pollution status.

Flight Cruise Diagram

Through the flight task function, the Bescloud monitoring platform can specifically display the flight route and real-time concentration during the flight, displaying via real-time data, pollution concentration levels, etc., and is also compatible with gimbal synchronous display; achieving synchronous display of data and video.

1 System Structure and Working Principle

This system mainly consists of unmanned aerial vehicles, Besian BSA/QT-UAV gas detectors, data transmission/GPRS, ground stations/servers, and data processing software. Its main function is to detect atmospheric air quality AQI and emergency detection of toxic and harmful gases, with an accuracy of up to 1PPB. It changes the traditional fixed-point detection, making gas detection flexible, fast, accurate, and convenient.

2 Software Implementation of Gas Concentration Data Acquisition

In terms of gas detection, there are tens of thousands of gas types, ranges, accuracies, etc. To simplify user operation and costs, our company has specially designed a series of intelligent sensors. It has a complete set of software information systems, effectively dividing all detectable gas types to realize a fully intelligent recognition system. Customers can equip different sensors according to different detection scenarios; making UAV gas detection very flexible and unaffected by the payload.

Application Fields: Mounted on UAVs, automobiles, robot inspections, ships, etc.

1. Fire emergency monitoring and investigation of leakage sources

2. Pipeline leakage inspection

3. Air quality detection

4. Enterprise emission pollution detection

5. Monitoring of pollution gases around chemical, petroleum, and other enterprises

6. Monitoring of exhaust gas emissions from ships at ports and wharves

7. Rapid environmental screening and locking

8. Robot safety inspection in specific areas and special warehouses