An early-stage fire hazard early warning system based on multi-spectral detection

By using multispectral detection technology, combined with the principles of scattering and transmission, and utilizing infrared light sources and photodiodes, the problem of inaccurate concentration of thermally damaged particles in cloud chamber detection has been solved, enabling precise early warning of potential fire hazards and reducing fire risk.

CN120808522BActive Publication Date: 2025-12-23CHINA SCI & TECH (HUNAN) ADVANCED RAIL TRANSIT RES INST CO LTD +1
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Patent Information

Application Number
CN202511312635.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-12-23
Estimated Expiration
2045-09-15

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Abstract

The application discloses an early-stage fire hazard early warning system based on multispectral detection, which comprises a box body, a blower, an air booster pump, a thermal damage particle detection module and an exhaust module; the thermal damage particle detection module comprises an infrared light source, a detection chamber and a photodiode, the air outlet of the detection chamber is connected with the air inlet of the exhaust module, an exhaust valve is installed on the exhaust module, an air pressure sensor is installed on the detection chamber, the air inlet of the detection chamber is connected with the air outlet of the air booster pump, the infrared light source is installed on the detection chamber so that the inner cavity of the detection chamber is filled with infrared light, and the photodiode is installed on the detection chamber so as to measure the thermal damage particle concentration in the detection chamber after the air pressure in the detection chamber reaches a set value. The application improves the thermal damage particle concentration in the detection chamber, improves the reliability of the detection result in combination with the multispectral detection, can timely detect the abnormal thermal damage particle concentration, can perform fire early warning in an early stage, and reduces the comprehensive disaster risk.
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