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目前公共建筑内的疏散指示采用低照度发光型疏散指示牌指引疏散方向,由于照度较低,当距离稍远或烟雾较浓时,其可视程度大大降低。发光型疏散指示牌的指引方向固定不变,在复杂的火灾事故现场难于起到安全有效的疏散指示作用。利用智能型声光疏散指示器,可以设计出指引方向实时可变的智能疏散诱导系统,当发生火灾事故时能够对人群进行智能诱导,及时疏散,减少伤亡。
At present, evacuation instructions in public buildings use low-illuminance light-emitting evacuation signs to guide evacuation directions. Due to the low illuminance, the visual degree is greatly reduced when the distance is farther or the smoke is thicker. Luminous evacuation signs direct the direction of the fixed in the complex scene of the fire accident is difficult to play a safe and effective evacuation instructions. The intelligent sound evacuation indicator can be used to design an intelligent evacuation guidance system that guides the real-time changes in direction. When a fire accident occurs, it can intelligently induce the crowd, evacuate in time and reduce casualties.