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Background & Requirements

Forest fires feature both natural and human-induced disaster attributes. The United Nations classifies large-scale forest fires as one of the world’s eight major natural disasters.

Characterized by sudden occurrence, random outbreak and massive short-term losses, forest fires require extremely rapid response and suppression measures. The timeliness and effectiveness of fire suppression and emergency decisions largely depend on the timely detection, accurate analysis and proper disposal of forest fire behaviors. Therefore, how to improve the modernization level of forest fire prevention and minimize fire-caused losses has become an urgent problem to be solved.

Forest Fire Danger Survey and Fire Monitoring and Early Warning

Solution Overview

Smoke monitoring lidar realizes accurate smoke detection by detecting and analyzing the backscattering effect generated by the interaction between laser beams and atmospheric particulate matter. The technology effectively obtains segmented smoke concentration distribution data along the entire detection path, featuring a high degree of automation and unattended operation.
The smoke monitoring lidar supports flexible installation on concrete foundations, or on communication towers and observation towers via tripods, delivering strong environmental adaptability. By adjusting the elevation angle and performing multi-layer azimuth scanning, the device monitors large-scale forest and grass areas for fire points. Once a fire source is detected, the system immediately stops 360° panoramic scanning and switches to targeted tracking scanning over the suspicious area, achieving rapid fire point positioning through the GIS mapping system.
Installation Diagram System Architecture & Forest Fire Risk Survey and Fire Monitoring Early-Warning System
Installation Diagram

Installation Diagram

In terms of forest fire spread, complex terrain features directly affect fire spreading behavior and cause significant spatial heterogeneity of wind fields. High-precision wind field data can be acquired through field measurement by wind lidar, enabling more accurate monitoring of dynamic fire changes. Based on different wind speeds and wind directions, the system comprehensively captures the spread speed, moving direction and burning area of forest fires.
System Architecture & Forest Fire Risk Survey and Fire Monitoring Early-Warning System

System Architecture & Forest Fire Risk Survey and Fire Monitoring Early-Warning System

When identifying fire and smoke, lidar can effectively eliminate environmental interference caused by cloud, fog, dust, haze and tree shaking, and accurately distinguish real smoke from false signals. The integrated platform supports access to lidar, video surveillance and other monitoring devices. It provides basic services including data collection, storage, management, configuration, map display, log recording and time synchronization for the business application layer. The system supports practical functions such as real-time monitoring, fire alarm and fire point positioning.

Fire Scanning Performance of Smoke Monitoring Lidar

The smoke recognition alarm distance reaches 8 km, and it can identify smoke areas smaller than 1 m². Fire points within the detection direction can be identified and positioned within one second.

Fire Scanning Performance of Smoke Monitoring Lidar
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