Fresh air device, clothes washing and drying machine and peculiar smell removing method of clothes washing and drying machine

The invention provides a fresh air device, a clothes washing and drying machine and a peculiar smell removing method of the clothes washing and drying machine. The problems that a traditional peculiar smell removing device of the clothes washing and drying machine is complex in structure, low in efficiency and not obvious in effect are solved. The fresh air device comprises a first air duct and a second air duct, wherein a first air inlet is formed in one end of the first air duct; the first air blowing piece is arranged at the other end of the first air duct; and the air isolating baffle is arranged on the side, close to the first air blowing piece, in the first air duct, and the air isolating baffle rotates around a horizontal shaft of the air isolating baffle under the action of air blown out by the first air blowing piece. 本发明提供了一种新风装置、洗衣干衣机及洗衣干衣机除异味的方法，解决了传统的洗衣干衣机除异味装置结构复杂，且效率低、效果不明显的问题。所述新风装置包括：第一风道，所述第一风道的一端为第一进风口；第一吹风件，设置在所述第一风道的另一端；隔风挡板，设置在所述第一风道内靠近所述第一吹风件的一侧，所述隔风挡板在所述第一吹风件吹出的风的作用下绕所述隔风挡板的水平轴转动。