Evaluation device and method for crown fire training

By designing an assessment device for crown fire training, which combines a gas-fired ignition system and an atomized fuel system, a realistic simulation of crown fires in forest fires and a quantitative assessment of fire extinguishing effects were achieved. This solved the problem that existing facilities could not effectively assess the trainees' reactions and tactical actions, and improved the realism and scientific nature of the training.

CN122116710APending Publication Date: 2026-05-29BEIJING AEROSPACE INST FOR METROLOGY & MEASUREMENT TECH
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Patent Information

Application Number
CN202511745233.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing fire training facilities lack realistic forest crown fire training devices, making it impossible to effectively assess trainees' reaction speed, tactical actions, and fire extinguishing effectiveness during crown fire suppression.

Method used

Design an evaluation device for crown fire training, including simulated trees, a gas ignition system, an atomized fuel system, a water collection dam, and a control system. The device simulates the spread of crown fire through gas and atomized fuel, and uses a liquid level sensor and a scoring model to quantitatively evaluate the fire extinguishing effect.

Benefits of technology

It achieves a realistic reproduction of crown fire, improves the authenticity and scientific nature of training, enables objective evaluation of fire extinguishing effects, and enhances training efficiency and safety.

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Abstract

The invention discloses an evaluation device and method for crown fire training, and the device is characterized in that a simulation tree comprises a hollow trunk and a plurality of branches, and the hollow trunk is provided with a plurality of ignition holes; the fuel gas ignition system comprises a fuel gas ignition pipeline, a fuel gas supply unit and an ignition gun which are arranged in the trunk; a plurality of gas outlet holes are formed in the gas ignition pipeline, gas is leaked through the gas outlet holes and the ignition holes in sequence, and the ignition gun is used for igniting the gas to form trunk fire; the fuel oil atomization system comprises a plurality of oil nozzles arranged on each branch and a fuel oil supply unit; the water collecting cofferdam is arranged around the simulation tree, and a liquid level sensor is arranged in the water collecting cofferdam; the control system is used for controlling start and stop of the fuel gas ignition system and the atomization fuel oil system and generating training result scores through a scoring model at least based on the water level information sent by the liquid level sensor. The three-dimensional flame spreading effect of the trunk and the branches can be truly represented, and quantitative evaluation of the fire extinguishing effect is achieved through the scoring model.
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