US 12,011,522 B2
Sterilization module and air purifier
Junhuang Zhuang, Shenzhen (CN); Shujie Wang, Shenzhen (CN); and Zhihong Zheng, Shenzhen (CN)
Assigned to SHENZHEN YITOA INTELLIGENT INDUSTRIAL CO., LTD, Shenzhen (CN)
Filed by SHENZHEN YITOA INTELLIGENT INDUSTRIAL CO., LTD, Shenzhen (CN)
Filed on Jan. 18, 2022, as Appl. No. 17/577,717.
Claims priority of application No. 202122548300.1 (CN), filed on Oct. 21, 2021.
Prior Publication US 2023/0128358 A1, Apr. 27, 2023
Int. Cl. A61L 9/20 (2006.01); F21V 7/04 (2006.01)
CPC A61L 9/20 (2013.01) [F21V 7/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A sterilization module, comprising:
a frame, provided with a channel running through the frame from the one end to the another end;
a plurality of wave-shaped plates, arranged at intervals in the channel, wherein each of the plurality of wave-shaped plates is bent alternately from the one end to the another end of the frame, so as to form an air duct that is wave-shaped between two adjacent wave-shaped plates; and
at least one sterilizing lamp, disposed on the wave-shaped plate and used to emit ultraviolet (UV) light towards the air duct.