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Title:
AIR GUIDING DEVICE AND AIR CONDITIONER INDOOR UNIT
Document Type and Number:
WIPO Patent Application WO/2022/078500
Kind Code:
A1
Abstract:
An air guiding device (20) and an air conditioner indoor unit (1). The air guiding device (20) is provided in a housing (10) of the air conditioner indoor unit (1), and comprises: an air guiding cylinder (100) defining an air duct (101) to guide an air flow inside the housing (10) to an air supply port (11) of the housing (10), an inner wall (105) of the air duct (101) adjacent to an air outlet (102) thereof being in a tapered shape such that a flow cross section gradually reduces in an air flow direction; and a flow guiding member (200) provided in the air duct (101) and defining an annular air outlet gap (21) with the inner wall (105) of the air duct (101), the flow guiding member (200) being used for guiding the air flow to the annular air outlet gap (21), so that the air flow is gradually blown towards the air supply port (11) in a convergent manner in an air flow central direction under the guidance of the tapered inner wall (105) of the air duct (101); and the tapered inner wall (105) of the air duct (101) is constituted by a plurality of movable cylinder wall plates (110, 120, 130, 140) arranged along the circumferential direction of the air guiding cylinder (100), and each of the cylinder wall plates (110, 120, 130, 140) is configured to adjust the distance between the cylinder wall plate and the air guiding member (200) by changing the position thereof, so as to change the air outlet volume of the annular air outlet gap (21) at each of the cylinder wall plates (110, 120, 130, 140).

Inventors:
LI YINGSHU (CN)
LI JING (CN)
YIN XIAOYING (CN)
WANG XIAOGANG (CN)
WANG YONGTAO (CN)
Application Number:
PCT/CN2021/124124
Publication Date:
April 21, 2022
Filing Date:
October 15, 2021
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F1/0011; F24F13/12; F24F13/20
Foreign References:
CN210373769U2020-04-21
CN107120730A2017-09-01
CN104697142A2015-06-10
CN205208871U2016-05-04
CN104748225A2015-07-01
CN210832262U2020-06-23
CN104807158A2015-07-29
KR20150088152A2015-07-31
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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