| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ventilation system for cleaning the air having passed through an underground heat collecting pipe. <P>SOLUTION: In the ventilation system of a building 1, air is received from the outside by an air blowing fan 20 installed in an air supply air passage and is supplied to floor spaces 2, 2 on the first floor, and the air in the floor spaces 2, 2 on the first floor is discharged to the outdoor side. Air supply ports 11 for the first floor communicating with an underground space 7 are installed on floor parts 4 of the floor spaces 2, 2 on the first floor of the building 1. The underground heat collecting pipe 21 is installed on the downstream side of a suction port 21a of outdoor air. A filter box 16 having a dust-proof function, dehumidification function and deodorization function is installed further downstream, so as to form an air supply passage. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
