Compressor liquid accumulator and inverter compressor

Abstract

The compressor liquid storage device comprises an air inlet straight pipe, and the air inlet straight pipe is arranged at an upper opening of a liquid storage device barrel; the air outlet straight pipe is arranged in the lower cavity of the liquid storage device cylinder; a straight pipe upper port of the air outlet straight pipe is communicated with the upper cavity, and a straight pipe lower port of the air outlet straight pipe penetrates through a lower port of the liquid storage device cylinder and then is connected with the air outlet bent pipe; a plurality of stages of oil return port groups are vertically arranged on the air outlet straight pipe at intervals; each stage of oil return port group comprises one or more oil return ports; the ratio of the equivalent diameter of each oil return port to the outer diameter of the air outlet straight pipe is 0.03-0.12; the oil return ports are formed in the air outlet straight pipe at different heights, and the equivalent diameter of each oil return port is greatly reduced, so that the amount of oil flowing back to the pump body can be effectively controlled; the liquid refrigerant flowing into the air suction straight pipe through the oil return opening is throttled, and it is ensured that the pump body reliably sucks refrigerant gas. And a plurality of oil return ports are arranged on the same cross section, so that the refrigerating machine oil can return more uniformly.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning compressors, and particularly relates to a compressor liquid accumulator and a variable frequency compressor. Background technique [0002] During the operation of the inverter compressor under different working conditions, the amount of refrigerant circulating in the system is different; when the circulating amount of the system is low, a large amount of refrigerant will be stored in the compressor liquid storage, and the refrigerant gas contains incomplete evaporation. In order to prevent the liquid refrigerant from being sucked into the pump body of the compressor, and then impacting the valve plate of the pump body, causing the compressor to fail; It is used to separate the incompletely vaporized liquid refrigerant and ensure the dryness of the refrigerant entering the compressor pump body; the compressor liquid reservoir is welded with the cylinder suction port in the compressor pump...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the technical problems existing in the prior art, the present invention provides a compressor liquid accumulator and an inverter compressor to solve the problem that liquid refrigerant easily enters the compressor pump body through the oil return hole of the compressor liquid accumulator, resulting in compression Reduced machine reliability

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