Application of the smart electricity meter data in fire investigation

Fire Science and Technology ›› 2025, Vol. 44 ›› Issue (6): 862-868.

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Application of the smart electricity meter data in fire investigation

Wang Xiaojun^1,2,3,4, Song Chengyu^1,2,3, Yang Tianle^1,2,3, Wang Xin^1,2,3,5

(1. Tianjin Fire Science and Technology Research Institute of MEM, Tianjin 300381, China; 2. Key Laboratory of Fire Protection Technology for Industry and Public Building, Ministry of Emergency Management, Tianjin 300381, China; 3. Tianjin Key Laboratory of Fire Safety Technology, Tianjin 300381, China; 4. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China; 5. School of Microelectronics, Tianjin University, Tianjin 300072, China)

Received:2025-01-22 Revised:2025-02-09 Online:2025-06-24 Published:2025-06-15

Abstract

Abstract: Taking the investigation of two fire accidents as an example, this article introduces the application of 3D modeling of fire scenes in light and shadow analysis of fire video. By combining 3D modeling technology of the fire scene with geometric drawing method, the changes of the position of the firelight source and the spread of the fire during a residential fire were analyzed. Through the independent application of 3D modeling technology in light and shadow analysis, the position of the initial firelight source in a living room fire was analyzed. On this basis, the advantages and practical considerations of 3D modeling technology in light and shadow analysis of fire video were analyzed, providing a methodological reference for the application of 3D modeling in light and shadow analysis of fire video.

Key words: 3D modeling, visualization of fire scenes, fire video, light and shadow analysis, fire investigation

Wang Xiaojun, Song Chengyu, Yang Tianle, Wang Xin. Application of the smart electricity meter data in fire investigation[J]. Fire Science and Technology, 2025, 44(6): 862-868.

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Application of the smart electricity meter data in fire investigation

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