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大空间建筑，尤其是存在遮挡和环境干扰时，现行的火灾探测技术将难以正常发挥效用，无法解决灵敏度与可靠性之间的矛盾，大空间建筑早期火灾的探测已成为火灾探测领域的一个世界性难题，各国火灾科学及消防科技工作者对此都十分关注。本文对大空间建筑火灾探测中存在的问题进行了分析，并介绍两种大空间建筑早期火灾智能探测报警技术
In large-space buildings, especially when there are obstructions and environmental disturbances, the current fire detection technology will be difficult to function normally, and the contradiction between sensitivity and reliability cannot be solved. The detection of early fires in large space buildings has become a world in the field of fire detection. Sexual problems, national fire science and fire science and technology workers are very concerned about this. This paper analyzes the problems existing in the detection of large-scale building fires, and introduces two types of early warning intelligent fire detection technologies for large space buildings.