US 12,320,057 B2
Control method for clothes drying apparatus
Zhaobin Du, Qingdao (CN); Lina Wang, Qingdao (CN); Longping Yao, Qingdao (CN); Yijun Song, Qingdao (CN); and Hongbiao Ma, Qingdao (CN)
Assigned to QINGDAO HAIER WASHING MACHINE CO., LTD., Qingdao (CN); and Haier Smart Home Co., Ltd., Qingdao (CN)
Appl. No. 17/789,331
Filed by QINGDAO HAIER WASHING MACHINE CO., LTD., Shandong (CN); and Haier Smart Home Co., Ltd., Shandong (CN)
PCT Filed Dec. 22, 2020, PCT No. PCT/CN2020/138281
§ 371(c)(1), (2) Date Jun. 27, 2022,
PCT Pub. No. WO2021/129606, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 201911364586.9 (CN), filed on Dec. 26, 2019.
Prior Publication US 2023/0029780 A1, Feb. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. D06F 58/42 (2020.01); D06F 34/18 (2020.01); D06F 103/08 (2020.01); D06F 105/12 (2020.01); D06F 105/28 (2020.01); D06F 105/46 (2020.01); D06F 105/52 (2020.01)
CPC D06F 58/42 (2020.02) [D06F 34/18 (2020.02); D06F 2103/08 (2020.02); D06F 2105/12 (2020.02); D06F 2105/28 (2020.02); D06F 2105/46 (2020.02); D06F 2105/52 (2020.02)] 9 Claims
OG exemplary drawing
 
1. A method for controlling a clothing drying apparatus, the clothing drying apparatus comprising a drying drum and a heating device, wherein a drying process of the clothing drying apparatus comprises a load determining stage, a first heating stage, a second heating stage, an extra drying stage and a cold air stage that are run in sequence, and the method comprises:
determining a size of load in the load determining stage; and
when the load is a large load, controlling the drying drum to rotate in one direction in the first heating stage, and controlling the drying drum to rotate in forward and reverse directions alternately in the second heating stage;
the method further comprises:
acquiring a water content of the load when the clothing drying apparatus is running the first heating stage; and
controlling the clothing drying apparatus to run the second heating stage if the water content is smaller than or equal to a first water content threshold.