Abstract: An air-conditioning device control method includes receiving an instruction sent by a terminal device, judging whether the instruction comes from a preset local area network, identifying a user identity according to the instruction in response to the instruction coming from the preset local area network, acquiring an operation mode of an air-conditioning device that is adapted to the user identity, and executing the operation mode of the air-conditioning device.

Abstract: A window air conditioner includes a casing including a receiving groove formed at an outer peripheral wall of the casing. The receiving groove has an open top, an open left side, and an open right side. The casing is divided into an indoor part and an outdoor part by the receiving groove. The window air conditioner further includes an indoor heat exchanger and an indoor fan arranged in the indoor part, and an outdoor heat exchanger and an outdoor fan arranged in the outdoor part.

Abstract: A drive mechanism and an air conditioner are provided. The drive mechanism includes a base, two moveable plates and a rectifying guide rail. The base is provided with two guiding slides. The two moveable plates slidably cooperate with the base via the two guiding slides correspondingly. The rectifying guide rail is fixed to the base. The rectifying guide rail is spaced from the guiding slide. The rectifying guide rail cooperates with at least one of the two moveable plates.

Abstract: An indoor unit of an air conditioner and an air conditioner are disclosed. The indoor unit has a housing and an evaporator. The housing has a first air duct, a second air duct, a first air intake port, a first air supply port, a second air intake port, and an adapter air duct assembly. The first air duct communicates with the first air intake port and the first air supply port. The second air duct communicates with the second air intake port and the adapter air duct assembly. In a first state, the adapter air duct assembly takes in and guides air from the second air duct to a preset air outlet position. In a second state, part of indoor return air from the first air intake port can pass through the adapter air duct assembly.

Abstract: A variable refrigerant flow (VRF) air conditioning system, a control method thereof, and a computer-readable storage medium are provided. When the VRF air conditioning system is cooling, indoor units in an operating state are obtained. Indoor units with humidity demand and indoor units without humidity demand in the operating state are obtained. A ratio of humidity demand is determined according to an output nominal value of each indoor unit in the operating state. The ratio can include a ratio of a total output nominal value of indoor units with humidity demand to a total output nominal value of indoor units without humidity demand When the ratio is greater than a preset ratio, a rotation speed of an outdoor fan can be adjusted according to an outdoor environment temperature.

Abstract: A window air conditioner includes a casing and a positioning member provided at the casing and configured to be switchable between a storage state and a working state. In the storage state, the positioning member is stored at the casing. In the working state, the positioning member is at least partially outside the casing for connecting and positioning the casing with a window frame.

Abstract: Disclosed is a window air conditioner having a constant temperature dehumidification mode. A first indoor heat exchanger and a second indoor heat exchanger of the air conditioner are stacked in an air inlet direction of an indoor air duct of the air conditioner. In the constant temperature dehumidification mode, one of the indoor heat exchangers is configured to be in a heating mode, and the other one is configured to be in a cooling mode. In this way, both fresh air and indoor air may be dehumidified and heated, a user may feel the fresh air and the temperature of the dehumidified air is comfortable.

Abstract: A purification dehumidifier includes a housing, a fan, a dehumidifier assembly, and a purifier assembly. The housing includes an air inlet, a dehumidified air outlet, and a purified air outlet. An air duct in communication with the air inlet, the dehumidified air outlet, and the purified air outlet is formed in the housing. The fan is arranged in the air duct and configured to introduce an airflow into the air duct from the air inlet and blow the airflow in the air duct out from at least one of the dehumidified air outlet or the purified air outlet. The dehumidifier assembly is arranged in the air duct and corresponding to the dehumidified air outlet. The purifier assembly is arranged in the air duct and corresponding to the purified air outlet.

Abstract: A communication circuit includes first and second communication nodes including first and second control chips, respectively, and first and second communication chips connected to the first and second control chips, respectively. The first and second communication chips are connected to each other through first and second signal lines, and are configured to transmit a differential signal. The first communication chip includes an output port to output a level signal obtained from the differential signal to the first control chip. The communication circuit further includes a voltage division assembly connected to the first and second signal lines, and configured to cause a voltage value of the first signal line to be higher than that of the second signal line when the first and second signal lines are in idle state. The first control chip includes a detection port connected to the output port to acquire the level signal.

Abstract: An air conditioner is provided. A main body of the air conditioner is provided with an air outlet facing a front lower side of the main body. An upper passage is arranged above the air outlet and in communication with the air outlet, and is adapted to supply air forwardly. An upper air deflection assembly is used to direct air to flow out of a terminus of the upper passage. The upper air deflection assembly has an upper air diffusing plate. A front air deflection assembly is used to direct air to flow out of a terminus of the air outlet.

Abstract: An axial-flow impeller includes a hub and blades. A tail edge of one blade has recessed portions successively arranged in a direction from a blade root of the blade to an outer edge of the blade. On a reference projection of the impeller on a reference plane perpendicular to a rotation axis of the impeller, a first connection line connects a starting point of a first recessed portion closest to the blade root and an end point of a second recessed portion closest to the outer edge, a second connection line connects a tail edge point of the blade root and the end point of the second recessed portion, one or more of the recessed portions is each partially located at a front-edge side of the second connection line, and remaining one or more of the recessed portions is each completely located between the first and second connection lines.

Abstract: A control method includes, after a multi-split air conditioner starts to operate in a heating mode, determining a target room from a plurality of rooms for which the multi-split air conditioner provides air conditioning, obtaining an indoor temperature of the target room, determining whether the indoor temperature of the target room is greater than a target temperature corresponding to the target room, and, in response to a determination that the indoor temperature of the target room is greater than the target temperature, controlling the multi-split air conditioner to switch an operation mode of a target indoor unit corresponding to the target room from the heating mode to a cooling mode.

Abstract: A window air conditioner includes a casing including a cabinet. The cabinet includes a receiving groove formed at an outer peripheral wall of the cabinet. The receiving groove is recessed downwards to separate the cabinet into an indoor part and an outdoor part. The window air conditioner further includes an indoor heat exchanger and an indoor fan arranged in the indoor part, and an outdoor heat exchanger and a compressor arranged in the outdoor part.

Abstract: Disclosed are an air dispersing device and a floor air conditioner. The air dispersing device includes an air dispersing frame and an air dispersing module. The air dispersing frame includes a first air dispersing plate and a second air dispersing plate, and an air cavity is formed between the first air dispersing plate and the second air dispersing plate. An air dispersing hole is provided on the first air dispersing plate, and a ventilation opening is provided on the second air dispersing plate. The air dispersing module includes a movable impeller, the movable impeller is rotatably provided in the air cavity, and the movable impeller is configured to disperse airflows.

Abstract: A window air conditioner includes a housing including a separation groove dividing the housing into two parts, a mounting base movably mounted in the separation groove, and a sealing member connected with the mounting base. The sealing member is fitted with the mounting base by deformation, and the sealing member is configured to be driven by the mounting base to switch between a storage state and a working state. In the storage state, the sealing member is received in the separation groove. In the working state, the sealing member is at least partially outside the separation groove.

Abstract: A panel assembly for an air conditioner includes a face frame and an air inlet panel. The face frame includes an air inlet and an air outlet located above the air inlet. An air outlet surface of the air outlet extends obliquely backward in a direction from bottom to top. The air outlet surface is a plane on which an end surface of the air outlet is located. The air inlet panel is provided at the air inlet.

Abstract: Provided are a panel assembly and an air conditioner. The panel assembly includes a panel, a pressing member, and a display box. The panel has a fitting hole. The pressing member is disposed on an inner side of the panel. The pressing member includes a plate body, and a button disposed on the plate body and extending into the fitting hole. The display box is disposed on a back surface of the panel and opposite to the pressing member. The plate body has a flow diverting portion disposed around the button and configured to divert a fluid out of the display box.

Abstract: A portable air conditioner is provided. The portable air conditioner has a cabinet and an air outlet housing. The cabinet has an upper housing and a lower housing. The lower housing projects rearwardly relative to the upper housing. The upper housing is provided with a first air inlet, and the lower housing is provided with a second air inlet. The air outlet housing is mounted in the cabinet. An inlet of the air outlet housing is provided with a heat exchanger. The first air inlet is communicated with the heat exchanger to form a first air intake channel. The second air inlet is communicated with the heat exchanger to form a second air intake channel.