Ultra-silence fresh air ventilator capable of filtering PM2.5

• Main Authors: LI CUIWEN, LIN WEIFENG
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The utility model relates to the technical field of fresh air machine structures, in particular to an ultra-silence fresh air machine capable of filtering PM2.5. The ultra-silence fresh air machine capable of filtering PM2.5 comprises a fresh air machine body, an air outlet is formed in the front face of the fresh air machine body, a fan blade device is arranged at the air outlet in an embedded mode, and the fan blade device comprises a plurality of fan blades which are evenly distributed. A plurality of column holes for limiting the hinge columns are formed in one side of the air outlet, a driving groove is formed in the other side of the air outlet, a through hole penetrating to the front face of the fresh air ventilator body is formed in the inner wall of the driving groove, a driving arm is arranged in the driving groove, and a power block hinged to the driving arm is arranged in the through hole. The size of the fan blade opening can be adjusted, and the purposes of energy conservation and high efficienc