| 摘要 |
PURPOSE: A hot air prevention apparatus for a subway platform is provided to remove harmful dust drifting in the lower space of a subway platform by employing a plurality of vibrating motors. CONSTITUTION: A hot air prevention apparatus for a subway platform comprises a housing(11), an air vent(20), an impeller(30), a pre-filter(70), and a fixing bracket(90). The housing has an inlet on the lower front side thereof. The air vent includes a duct(22) for ventilation of air flowing in the inlet and a ventilation shutter(21) for automatically opening and closing an outlet. The impeller draws air into the inlet and guides the air to the air vent. The pre-filter is coupled to the inlet and purifies the air drawn into the inlet. The fixing bracket is bolted to the lower side of a subway platform.
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