The boundedness of fire alarm system in large theater was analyzed,the retionalities of double bomd image fire detctors,optical cross-section smoke detectors and air sampling early smoke alarm system were expounded.Combined with a certain engineering proj%分析了常规火灾自动报警探测器在大型剧场舞台火灾自动报警系统中应用的局限性,阐述了双波段图像型火灾探测器、光截面感烟探测器以及空气采样早期烟雾报警系统在大型剧场舞台火灾自动报警系统应用的合理性。结合具体工程案例,提出了一些设计观点,以供设计人员参考。
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