Title:
LAUNDRY TREATMENT DEVICE WITH ACTIVE NOISE REDUCTION, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/185273
Kind Code:
A1
Abstract:
A laundry treatment device with active noise reduction, and a control method. The laundry treatment device comprises a vibration sensor (7) and an ultrasonic vibration module (6), wherein the vibration sensor (7) is arranged on a housing (4) of the laundry treatment device, and the ultrasonic vibration module (6) is arranged on the housing (4) of the laundry treatment device. A control method for active noise reduction of a laundry treatment device comprises: each time a spin-drying program is started, measuring the vibration frequency and the vibration amplitude of a housing (4) by means of a vibration sensor (7), and then respectively comparing same with a vibration frequency and a vibration amplitude, which match a rotation speed; and when the vibration frequency or the vibration amplitude of the housing (4) measured by the vibration sensor (7) is a frequency or amplitude that indicates a vibration deterioration, using an ultrasonic vibration module (6) installed on the housing (4) of a laundry treatment device to actively make the housing (4) vibrate.
Inventors:
ZHAO ZHIQIANG (CN)
XU SHENG (CN)
XU SHENG (CN)
Application Number:
PCT/CN2023/075636
Publication Date:
October 05, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
QINGDAO HAIER LAUNDRY ELECTRIC APPLIANCES CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
D06F37/20; D06F33/48
Foreign References:
| US20130118210A1 | 2013-05-16 | |||
| CN106903517A | 2017-06-30 | |||
| CN212041370U | 2020-12-01 | |||
| CN101177880A | 2008-05-14 | |||
| CN101492876A | 2009-07-29 | |||
| CN109402954A | 2019-03-01 | |||
| CN113403802A | 2021-09-17 | |||
| CN113493976A | 2021-10-12 | |||
| KR20050017872A | 2005-02-23 |
Attorney, Agent or Firm:
BEIJING YUANZHONG INTELLECTUAL PROPERTY AGENT LTD. (CN)
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