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Patent Searching and Data


Title:
METHOD FOR PROMPTING CLEANING OF AIR CONDITIONER FILTER SCREEN, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/203978
Kind Code:
A1
Abstract:
A method for prompting cleaning of an air conditioner filter screen, and an air conditioner. Said method comprises: acquiring a first current value of an indoor fan of an air conditioner in a preset level; determining whether the first current value is within a preset first current threshold range, and if not, controlling the air conditioner to execute self-cleaning; upon completion of the self-cleaning of the air conditioner, controlling the indoor fan of the air conditioner to operate in a preset detection mode, and acquiring a detection current of the indoor fan of the air conditioner in the detection mode; and extracting feature information of the detection current, determining, according to the feature information, whether the indoor fan of the air conditioner is abnormal, and if the indoor fan is determined to be abnormal, controlling the air conditioner to send a signal for prompting cleaning of a filter screen, so as to prompt a user to perform cleaning of the filter screen. In the solution of the present invention, the possibility of causing a false positive for prompting cleaning of a filter screen is investigated, reducing the false positive for prompting cleaning of the filter screen, and locking the final fault type and operation mode.

Inventors:
MA, Yuqi (CN)
ZHANG, Panpan (CN)
Application Number:
PCT/CN2021/082989
Publication Date:
October 14, 2021
Filing Date:
March 25, 2021
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD. (CN)
HAIER SMART HOME CO., LTD. (CN)
International Classes:
F24F11/39; F24F11/64; F24F11/61; F24F11/526
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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