An unmanned guide device for an emergency exit is provided to switch on and off a high-brightness lamp installed at an emergency guide lamp and concentrate the light to guide the emergency exit effectively. An unmanned guide device for an emergency exit connected to a fire alarm system(20) detecting a fire and outputting alarm sound is composed of an interface unit(30) receiving an emergency sensing signal transmitted from the fire alarm system; a memory(200) storing voice guidance data about the emergency state and the emergency exit; an auditory guiding unit(300), converting voice guidance data about the emergency state and the emergency exit stored in the memory, into a voice signal if the emergency sensing signal is transmitted through the interface unit and then outputting the voice signal; a visual guiding unit(400) turning on and off a lamp(410) if the emergency sensing signal is transmitted through the interface unit; a control unit(100) detecting data in the memory by receiving the emergency sensing signal transmitted through the interface unit, transmitting the data to the auditory guiding unit, transmitting a control signal for switching on and off the lamp to the visual guiding unit, and carrying out operations for driving each component; and a power supply unit(500) having an emergency power unit charged with power supplied from a power source to supply the charged power to the visual and auditory guiding units.
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