| 摘要 |
A parking lot ventilation system is provided to improve the flow rate using a same suction fan and to reduce the noise within the parking lot by installing a muffler. A parking lot ventilation system comprises a case(10), a plurality of mufflers(20), a suction fan(30) and a motor(40). The case has an internal space(11) in which an inlet(13) and a vent(15) is formed. The inlet is connected to the parking lot outside and the external air is inhaled through the inlet. The vent is connected to the parking lot inside and the inhaled external air is ejected through the vent. The muffler is arranged to be adjacent to the inlet side within the internal space. The muffler is consisting of a perforated tube and a glass wool. The perforated tube is consisting of the holes(21). The glass wool is located inside the perforated tube. The suction fan is arranged to be adjacent to the vent side within the internal space and forcibly circulates the air of the case inside. The motor is connected to the suction fan and provides the torque to the suction fan.
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