Rotary compressor with air suction turbocharging mechanism

Abstract

The invention discloses a rotary compressor with an air suction turbocharging mechanism. The rotary compressor comprises a sealed shell, a gas-liquid separator, an exhaust pipe and the air suction turbocharging mechanism, wherein the sealed shell is internally provided with a motor assembly and a compression pump assembly; the gas-liquid separator is communicated with the compression pump assembly through an air inlet elbow; the exhaust pipe is arranged at the upper end of the sealed shell; the motor assembly comprises a stator and a rotor, and a rotating shaft of the compressor is driven by the rotor to rotate; the compression pump assembly comprises an upper flange, an air cylinder, and a lower flange arranged along the axial direction of the rotating shaft of the compressor and a roller arranged on the rotating shaft of the compressor, and the air cylinder is provided with an air inlet pipeline connected with the air inlet elbow; and the air suction turbocharging mechanism comprises turbine blades located in the air inlet pipeline, a blade shaft for mounting the turbine blades and a driving part connecting the blade shaft and the rotating shaft of the compressor. By using a turbocharging way, the air suction pressure of the compressor is increased, the influence of clearance volume to sucked air backflow is reduced, and the volume efficiency of a pump body is increased, so that the performance of the compressor is improved.

Description

technical field [0001] The invention belongs to the technical field of compressors, in particular to a rotary compressor. Background technique [0002] Existing rotary compressors generally include a casing, a pump body, a stator, a rotor, a rotating shaft, a gas-liquid separator, a suction pipe and an exhaust pipe. When working, the rotor rotates in the stator, and drives the roller to rotate eccentrically in the cylinder through the rotating shaft. Under the eccentric rotation of the roller, the refrigerant is sucked into the cylinder and compressed until the pressure exceeds the critical pressure, and then passes through the exhaust The air pipe is output to the heat exchange system. [0003] The suction of a conventional compressor is a negative pressure generated by the rotation of the rollers for passive suction of the pressure difference, suction backflow caused by the interval of high-pressure air flow in the clearance volume, uneven volume change rate of the cylind...

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Problems solved by technology

[0003] The suction of a conventional compressor is a negative pressure generated by the rotation of the rollers for passive suction of the pressure difference, suction backflow caused by the interval of high-pressure air flow in the clearance volume, uneven volume change rate of the cylinder compression, and roller sweeping suction These three factors form the suction pulsation of the compressor, and the suction pulsation of the compressor easily leads to large vibration of the compressor and low suction efficiency

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