HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.

A compressor assembly includes a first compressor, a second compressor, a first oil separator, a second oil separator, a storage container, a gas-liquid separator, a liquid balance pipe, and a gas balance pipe. The first compressor has a first air return port, and the second compressor has a second air return port. The first oil separator has a first oil outlet, the second oil separator has a second oil outlet, and the storage container has a refrigerant inlet, the first oil outlet and the second oil outlet both being in communication with the refrigerant inlet. The gas-liquid separator has a first gas separation outlet, a second gas separation outlet, a first oil return hole and a second oil return hole, the first gas separation outlet and the first oil return hole both being in communication with the first gas return port.

An electric control box includes a box body and a mounting plate arranged in the box body. The mounting plate is provided with a fan and a plurality of electronic components at a mounting side of the mounting plate. The fan is configured to form first heat dissipation airflow flowing along a first heat dissipation path. The first heat dissipation airflow is diverted by an inner wall of the box body to form second heat dissipation airflow flowing along a second heat dissipation path. The first heat dissipation path and the second heat dissipation path are located at the mounting side of the mounting plate. The plurality of electronic components are distributed over the first heat dissipation path and the second heat dissipation path.

The present application discloses an axial flow wind wheel, including a wheel hub and blades; inner edges of the plurality of blades are connected to the wheel hub, and the blades are uniformly arranged at interval in a circumferential direction of the wheel hub; a suction surface of each blade is provided with rows of flow guide structures, and each row of flow guide structure includes flow guide ribs arranged along an arc corresponding thereto; and the arcs respectively corresponding to the rows of flow guide structures are concentric with an axis of the wheel hub, and are arranged at interval in a radial directional of the wheel hub. An air conditioner outdoor unit includes a heat exchanger, a driving motor, and the axial flow wind wheel.

A compressor assembly, an air conditioner outdoor unit, and an air conditioning system. The compressor assembly includes a first compressor, a second compressor, a first oil separator, a second oil separator, a first gas-liquid separator, a second gas-liquid separator, a liquid balance pipe, and a gas balance pipe. The first compressor has a first gas return port; the second compressor has a second gas return port; the first oil separator has a first oil outlet; the second oil separator has a second oil outlet; the first gas-liquid separator has a first separation chamber, a first separation gas inlet, a first oil return hole, and a first separation gas outlet; the second gas-liquid separator has a second separation chamber, a second separation gas inlet, a second oil return hole, and a second separation gas outlet.

A heat exchanger, an electric control box, and an air conditioning system. The heat exchanger includes a heat exchange body and a collecting tube assembly. Multiple micro-channels are disposed in the heat exchange body. The collecting tube assembly includes at least two collecting tubes. At least a portion of the micro-channels passes through one collecting tube of the at least two collecting tubes and are communicated with a remaining one of the at least two collecting tubes.

Provided is a wall-mounted air conditioner. The wall-mounted air conditioner includes a casing, an electric control component and a heat exchanger, and the casing is internally provided with an air duct; the air duct is provided with an air inlet and an air outlet; the air duct includes an air intake section and an air output section, which are connected to each other; at least a part of the air inlet is positioned on the front face of the casing; a mounting space is formed between a front panel of the casing and the air duct; the mounting space is positioned at the front portion of an interior space of the casing and close to a lower portion; the heat exchanger is arranged in the air duct; and the electric control component is arranged in the mounting space.

Disclosed are a method and device for controlling an air conditioner. The air conditioner includes an outdoor heat exchanger, an indoor heat exchanger, a heat storage heat exchanger, a compressor, a four-way valve assembly, and a throttling assembly, wherein the outdoor heat exchanger is connected to the indoor heat exchanger by means of a first pipeline and a bypass, the outdoor heat exchanger is connected to the compressor by means of a second pipeline, the indoor heat exchanger is connected to the compressor by means of a third pipeline, the heat storage heat exchanger is arranged on the bypass, the throttling assembly is arranged on the bypass, the four-way valve assembly includes a first four-way valve and a second four-way valve, the first four-way valve is arranged on the second pipeline, and the second four-way valve is arranged on the third pipeline.

An electric control box includes a shell, a mounting plate, and a heat exchanger; the mounting plate and the heat exchanger are connected by screw-thread fitting of a first fastener and corresponding connecting holes, the mounting plate and the heat exchanger are located inside the shell, and the heat exchanger is located between the mounting plate and an inner bottom face of the shell; the mounting plate and the shell are connected by screw-thread fitting of a second fastener and corresponding connecting holes.

Provided are an outdoor unit and a heating and ventilation apparatus. The outdoor unit includes a casing and an electric control box assembly. The casing has a fan chamber and a compressor chamber. A first partition plate is provided between the fan chamber and the compressor chamber. The electric control box assembly is disposed at the first partition plate. The electric control box assembly includes an electric control box body and an electric control component. The electric control component includes an electric control board and a plurality of elements disposed at the electric control board. At least part of the plurality of elements is disposed at a first side of the electric control board, and the first side of the electric control board faces the fan chamber.

Provided are an outdoor unit and a heating and ventilation apparatus. The an outdoor unit includes an outdoor unit housing, an outdoor heat exchanger, an outdoor fan, a compressor assembly, a water circuit heat exchange assembly, a first electrical control box part, and a second electrical control box part. The outdoor unit housing has a fan chamber, a compressor chamber, and a water circuit chamber. The outdoor heat exchanger and the outdoor fan are disposed in the fan chamber. The compressor assembly is disposed in the compressor chamber. At least a water circuit heat exchanger and a water pump of the water circuit heat exchange assembly are disposed in the water circuit chamber. The first electrical control box part is disposed between the fan chamber and the compressor chamber. The second electrical control box part is disposed in the water circuit chamber.