Haier Smart Home Co., Ltd.

Qingdao Haier Air-conditioning Electronic Co., Ltd.

Haisheng Wang

Wei Zhang

Yanfang Cai

Zhongxiao Zhang

Pengfei Yin

Dahai Lu

Guosheng Tang

Shoubo Mao

Ming Zhang

Qiang Gao

Deyue Song

Ningning Duo

Xiaodi Zhang

Mingjie Zhou

Lirong Zhu

Dayue Song

Mengmeng Sun

A control method and system for refrigeration, oil return and noise reduction of a multi-split air-conditioner, wherein the method includes: when the accumulative time that the frequency of a compressor is smaller than the set frequency threshold reaches the oil return cycle and a standby indoor unit exists, conducting an oil return running mode; resetting the accumulative time; starting counting the oil return running time; calculating the indoor unit starting load; determining the opening degree of an expansion valve of the standby indoor unit according to the indoor unit starting load and whether there is anyone in a room where the standby indoor unit is located; controlling the compressor to run according to the set oil return frequency; and when the oil return running time reaches the oil return set time, exiting the oil return running mode, and conducting a normal refrigerating running mode.

Control method and system for refrigeration, oil return and noise reduction of multi-split air-conditioner

The present disclosure discloses an indoor unit of an air conditioner and an air conditioner. The indoor unit of the air conditioner includes an indoor unit housing, a heat exchanger, a conduit and one or more storage parts provided outside the indoor unit housing and/or inside the indoor unit housing, wherein one end of the conduit is connected to a liquid separator of the heat exchanger, the other end of the conduit is connected to a gas collecting pipe of the heat exchanger, and the conduit is used for heat exchange with the one or more storage parts.

Indoor unit of air conditioner and air conditioner

A method and device are for adjusting air volume of an air conditioner are provided, that use a computer readable storage medium. The air conditioner includes an indoor unit with a vase-shaped housing, wherein the vase-shaped housing includes a bottle mouth and where an air outlet of the indoor unit is provided at the bottle mouth of the vase-shaped housing. A liftable cover plate is provided at the air outlet of the indoor unit. The method includes obtaining specified air volume, obtaining curved surface features of an inner wall at the bottle mouth of the vase-shaped housing and cover plate specifications of the cover plate, and adjusting an actual height of the cover plate according to the specified air volume, the curved surface features, and the cover plate specifications.

Method and device for adjusting air volume of air conditioner, and computer readable storage medium

Growing community of inventors

Qingdao, China

Haisheng Wang