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Title:
KNOB MECHANISM, REFRIGERATOR, AND CONDENSATION PREVENTION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/223487
Kind Code:
A1
Abstract:
A knob mechanism, comprising a base, a housing, a cover plate, a display screen, and a heating wire. The housing has a through hole; the front side of the housing is sealed by the cover plate, and the rear side of the housing is connected to the base; the display screen is provided behind the cover plate and used for displaying data information; and the heating wire is provided between the cover plate and the display cover, and is used for adjusting the humidity in the knob mechanism so as to prevent condensation. By providing the heating wire in the housing, and providing the heating wire between the cover plate and the display screen, the knob mechanism of the present invention can effectively remove water vapor in the knob mechanism and prevent condensation, thereby making the display of the knob mechanism be always clear, improving the sense of observation and the use experience of a user. The present invention further provides a refrigerator having the knob mechanism, and a condensation prevention method.

Inventors:
LI XIAOFENG (CN)
HOU JIANGUO (CN)
Application Number:
PCT/CN2021/076730
Publication Date:
November 11, 2021
Filing Date:
February 18, 2021
Export Citation:
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Assignee:
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
H01H19/14; F25D21/04; F25D29/00; H01H19/04
Foreign References:
CN212209318U2020-12-22
CN208139648U2018-11-23
CN106679293A2017-05-17
CN111174516A2020-05-19
CN205561397U2016-09-07
CN106016914A2016-10-12
EP3378360A12018-09-26
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF:
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