Rotary compressor assembly and refrigeration circulating device with same

A technology of a rotary compressor and a compression mechanism, which is applied in the field of compressors, can solve the problems of reduced refrigeration cycle system capacity, reduced operation efficiency, poor performance, etc., and achieves the effect of improving work efficiency and performance and improving operation efficiency.

Active Publication Date: 2015-12-02
GUANGDONG MEIZHI COMPRESSOR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related art, in some applications such as low temperature environment, the capacity of the refrigeration cycle system will be reduced due to the reduction of the evaporation temperature of the rotary compressor
The performance of ordinary single-stage rotary compressors deteriorates and cannot be used. The large-c

Method used

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  • Rotary compressor assembly and refrigeration circulating device with same
  • Rotary compressor assembly and refrigeration circulating device with same
  • Rotary compressor assembly and refrigeration circulating device with same

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Embodiment Construction

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0040] In describing the present invention, it is to be understood that the terms "central", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, b...

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Abstract

The invention discloses a rotary compressor assembly and a refrigeration circulating device with the same. The rotary compressor assembly comprises a liquid accumulator, a rotary compressor, an air jet pipe and a first reversing assembly. One slip sheet abuts onto the peripheral wall of a corresponding piston, and the other slip sheet selectively makes contact with or is separated from a corresponding piston. A backpressure chamber is arranged behind a slip sheet groove of the other one of two air cylinders. A first air jet channel and a second air jet channel which are used for enhanced vapor injection are formed in a compression mechanism. The second air jet channel is communicated with the backpressure chamber. The air jet pipe is communicated with the first air jet channel. The first revering assembly comprises a first connector, a second connector and a third connector. The first connector is communicated with the backpressure chamber, the second connector is communicated with the interior of the liquid accumulator, the third connector is communicated with the air jet pipe, and the first connector is selectively communicated with the second connector or the third connector. The rotary compressor assembly is high in running efficiency.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a rotary compressor assembly and a refrigeration cycle device having the same. Background technique [0002] In the related art, in some applications such as low-temperature environment, the capacity of the refrigeration cycle system will be reduced due to the reduction of the evaporation temperature of the rotary compressor. The performance of ordinary single-stage rotary compressors deteriorates and cannot be used. The large-capacity air injection enthalpy increase scheme can effectively improve the capacity of the refrigeration cycle system. However, the ordinary large-capacity double-cylinder air injection enthalpy increase in compression When the load is small, the two-cylinder operation is still performed, which reduces the operating efficiency. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in t...

Claims

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Application Information

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IPC IPC(8): F04C18/344F04C29/12
Inventor 杨国用
Owner GUANGDONG MEIZHI COMPRESSOR
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