| 摘要 |
<p>Disclosed is an energy recovery type reversible fan ventilation apparatus capable of minimizing loss of indoor thermal energy. The energy recovery type reversible fan ventilation apparatus comprises: a ventilation unit (10) located inside in installation; and a heat recovery duct unit (30) connected with the ventilation unit (10), and extended to an outside through a building wall. The ventilation unit (10) includes: a box type housing (110) having a ventilation grill (112) in the front, and having an inner blast pipe (114) in the rear side of the ventilation grill (112); a reversible EC fan (120) installed inside the housing (110) to blow in both forward and reverse directions by both forward and reverse directions rotary operation; and an air shutter (130) installed between the reversible EC fan (120) and the ventilation grill (112) to selectively block air from flowing in and out. The heat recovery duct unit (30) includes: a variable length air duct (31) including an inner duct (31a) and an outer duct (31b) inserted into the outer circumferential surface of the inner duct (31a) to be slid, and whose length can be adjusted according to the thickness of the building wall; a ceramic regenerator (32) installed inside the variable length air duct (31), and having an air through hole in a lattice structure; and an insulation material (33) of a viscoelastic material formed to surround the outer circumferential surface of the ceramic regenerator (32), and existing in a compressed state between the variable length air duct (31) and the ceramic regenerator (32).</p> |
