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Compressor module and refrigeration device with same

A technology for a compressor and a control device, which is used in compressors, compressors with reversible cycles, refrigerators, etc., can solve the problems of the gap between the two-stage compression in capacity improvement, difficulty in ensuring the cylinder ratio, and small capacity attenuation, and achieve improved performance. The effect of heating capacity, improving energy efficiency and simple structure

Pending Publication Date: 2018-03-16
ANHUI MEIZHI PRECISION MFG
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Problems solved by technology

[0002] In related technologies, two-stage compression has the advantages of small capacity attenuation and high energy efficiency in heating (especially (ultra) low-temperature heating). However, in terms of refrigeration, two-stage compression is due to the compressed refrigerant being compressed twice Exhaust valve plate of the machine, resulting in low energy efficiency
Independent compression has higher energy efficiency in refrigeration, but there is still a gap between two-stage compression and two-stage compression in terms of (ultra) low-temperature heating.
[0003] At the same time, in order to ensure the best capacity and energy efficiency, the volume ratio of the two independently compressed cylinders during cooling operation is quite different from the two-stage compression ratio during heating operation. Switching between independent compression mode and two-stage compression mode, but it is difficult to guarantee that each can adopt a better cylinder ratio

Method used

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  • Compressor module and refrigeration device with same
  • Compressor module and refrigeration device with same
  • Compressor module and refrigeration device with same

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Embodiment Construction

[0043] 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.

[0044] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invent...

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Abstract

The invention discloses a compressor module and a refrigeration device with the same. The compressor module comprises a compressor and a control device; the compressor comprises a shell, first and second cylinders and a bypass channel; the shell is provided with an air sucking port and an exhaust port; the first cylinder is provided with a first exhaust port; a first air sucking port is connectedwith the air sucking port; the second cylinder comprises a second cylinder cavity, a second air sucking port and a second exhaust port; one end of the bypass channel is connected with the second cylinder cavity, and an on-off hole is formed between the end of the bypass channel and the second cylinder cavity; an on-off piece is arranged in the on-off hole; one end of the on-off hole communicates with the second cylinder cavity; the control device comprises first to fourth joints; the first joint is connected with the first exhaust port; the second joint is respectively connected with the otherend of the bypass channel and the second air sucking port; the third joint is connected with the other end of the on-off hole; and the fourth joint is connected with the exhaust port. The compressormodule can realize the switching operation between partial capacity and total capacity.

Description

technical field [0001] The invention relates to the technical field of refrigeration, in particular to a compressor assembly and a refrigeration device having the same. Background technique [0002] In related technologies, two-stage compression has the advantages of small capacity attenuation and high energy efficiency in heating (especially (ultra) low-temperature heating). However, in terms of refrigeration, two-stage compression is due to the compressed refrigerant being compressed twice Exhaust valve plate of the machine, thus making the energy efficiency low. Independent compression has higher energy efficiency in refrigeration, but there is still a gap between two-stage compression and two-stage compression in terms of capacity improvement in (ultra) low temperature heating. [0003] At the same time, in order to ensure the best capacity and energy efficiency, the volume ratio of the two independently compressed cylinders during cooling operation is quite different f...

Claims

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Application Information

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IPC IPC(8): F04C28/26F25B13/00F25B41/00F25B41/04F25B41/20F25B41/40
CPCF04C28/26F25B13/00F25B2313/02741F25B41/40F25B41/20
Inventor 廖四清曾令华王小龙李傲寒
Owner ANHUI MEIZHI PRECISION MFG
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