基于非晶氧化镓双波长光电探测的火灾烟雾判别模拟

doi:10.16265/j.cnki.issn1003-3033.2026.05.0033

中国安全科学学报 ›› 2026, Vol. 36 ›› Issue (5): 182-189.doi: 10.16265/j.cnki.issn1003-3033.2026.05.0033

基于非晶氧化镓双波长光电探测的火灾烟雾判别模拟

于俊玲¹^,²(), 邓浩³, 任先培², 向晖², 李强², 胡启威²

¹ 四川轻化工大学射线检测学科与技术中心, 四川宜宾 644000
² 四川轻化工大学物理系, 四川宜宾 644000
³ 四川轻化工大学人事处, 四川自贡 643000

收稿日期:2025-11-10 修回日期:2026-02-07 出版日期:2026-05-28
作者简介:
于俊玲 (1989—),女,河南周口人,博士,讲师,主要从事光功能材料及其应用研究。E-mail:yjl1021@suse.edu.cn。
任先培副教授。
向晖副教授。
胡启威副教授。
基金资助:
国家自然科学基金资助(42574242); 自贡市重点科技计划项目(2024GNYZ-12); 四川轻化工大学人才引进项目(2024RC030)

Dual-Wavelength photodetection with amorphous gallium oxide for simulated fire smoke discrimination

Yu Junling¹^,²(), Deng Hao³, Ren Xianpei², Xiang Hui², Li Qiang², Hu Qiwei²

¹ Research Center for Ray Detection Discipline and Technology, Sichuan University of Science and Engineering, Yibin Sichuan 644000, China
² School of Physics and Electronic Engineering, Sichuan University of Science and Engineering, Yibin Sichuan 644000, China
³ Human Resources Department, Sichuan University of Science and Engineering, Zigong Sichuan 643000, China

Received:2025-11-10 Revised:2026-02-07 Published:2026-05-28

摘要/Abstract

摘要：

为解决烟雾传感器的传统光散射探测器易受灰尘和水汽干扰、误报率高、且响应时间较长的问题,提出一种基于非晶氧化镓宽谱光电探测器的双波长光电烟雾探测模拟系统。基于Mie散射理论,采用980 和405 nm等2种波长分别测量烟雾颗粒的体积占比和表面积占比,获得Sauter平均粒径(SMD),以有效区分火灾与非火灾烟雾;根据理论分析和仿真试验,优化探测角参数(980 nm:60°,405 nm:120°),降低测量偏差,并通过模拟试验验证该系统的有效性。结果表明:系统能够将烟雾误报率控制在较低水平(火灾试验火≤3.3%,非火灾烟雾≤6.7%),显示出较高的灵敏度和低的误报率。

关键词: 非晶氧化镓, 双波长, 光电探测器, 火灾烟雾, Sauter平均粒径(SMD)

Abstract:

A dual-wavelength photoelectric smoke detection simulation system based on amorphous gallium oxide broadband photodetectors was proposed to resolve the limitations of traditional light-scattering smoke detectors. These traditional detectors were susceptible to interference from dust and moisture, exhibit high false alarm rates, and feature prolonged response times. Based on Mie scattering theory, dual wavelengths (980 and 405 nm) were employed by the system to measure smoke particle volume surface area concentration. And SMD was derived for effective differentiation between fire-related and non-fire-related smoke. Measurement bias was minimized by optimization of detection angle parameters (980 nm: 60°, 405 nm: 120°) through theoretical analysis and simulation experiments. The system's effectiveness was validated by simulation tests. Results indicate that the system maintains low false alarm rates for test smoke (fire tests ≤3.3%, non-fire smoke ≤6.7%), demonstrating high sensitivity and low false alarm rates.

Key words: amorphous gallium oxide, dual-wavelength, photodetector, fire smoke, sauter mean diameter (SMD)

中图分类号:

X928.7火灾与爆炸事故

于俊玲, 邓浩, 任先培, 向晖, 李强, 胡启威. 基于非晶氧化镓双波长光电探测的火灾烟雾判别模拟[J]. 中国安全科学学报, 2026, 36(5): 182-189.

Yu Junling, Deng Hao, Ren Xianpei, Xiang Hui, Li Qiang, Hu Qiwei. Dual-Wavelength photodetection with amorphous gallium oxide for simulated fire smoke discrimination[J]. China Safety Science Journal, 2026, 36(5): 182-189.

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技术方案	原理	优势	不足
本文双波长光学模型	双波长散射光强比推粒子粒径	成本较低、抗干扰提升、易于集成	精度低于直接粒子分析
复合探测器	烟雾、温度或CO等多物理融合判断	判别逻辑全面,对典型火灾综合误报率低	硬件成本较高;对仅冒烟而无明显温升或CO的早期火情响应可能滞后
烟雾分析仪	激光粒子计数分析	灵敏度极高,可极早期预警,提供精确粒径分布数据	系统昂贵,安装复杂(需布设采样管网),维护要求高
视觉图像烟雾探测	计算视觉分析烟雾图像特征	可视复核、大范围监视、火源定位	受环境光照、遮挡、雾气影响大;隐私顾虑;算法易受动态光影干扰

基于非晶氧化镓双波长光电探测的火灾烟雾判别模拟

Dual-Wavelength photodetection with amorphous gallium oxide for simulated fire smoke discrimination

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