Double-stage compressor and refrigerating equipment with same
A two-stage compressor and compression mechanism technology, applied in the field of compressors, can solve problems that affect the efficiency of two-stage compressors, intermittent exhaust, long suction channels, etc., to improve efficiency and cooling/heating performance , Continuous exhaust, small exhaust temperature rise
Active Publication Date: 2015-07-01
GUANGDONG MEIZHI COMPRESSOR +1
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Problems solved by technology
[0002] The first-stage compression part and the second-stage compression part of the two-stage compressor in the related art are both rotary compression structures. The characteristic of the exhaust of the rotary compression structure is that the exhaust is only performed within the range of 180° of roller rotation. , the exhaust is intermittent, which seriously affects the efficiency of the two-stage compressor
Although in the prior art, the problem of intermittent exhaust is alleviated by setting an intermediate cavity (medium pressure cavity), the suction channel of such a structure is too long, and the refrigerant gas is easily heated by the high temperature environment inside the pump body, which affects poor performance
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[0029] 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.
[0030] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicati...
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The invention discloses a double-stage compressor and refrigerating equipment with the same. The double-stage compressor comprises a housing, a compressing mechanism, a partition plate and a crankshaft, wherein the compressing mechanism is arranged in the housing and comprises a primary compressing part and a secondary compressing part; the first compressing part comprises a primary air cylinder, the second compressing part comprises a secondary air cylinder, a roller and a sliding sheet capable of reciprocating and leaning against the roller are arranged in one of the primary air cylinder and secondary air cylinder, and an impeller is arranged in the other one of the primary air cylinder and secondary air cylinder; the partition plate is arranged between the primary and secondary compressing parts; the crankshaft comprises a main body part and a shaft-off part formed on the main body part, the roller sleeves the shaft-off part and the impeller sleeves the main body part. The double-stage compressor disclosed by the embodiment of the invention is high in efficiency and good in refrigerating / heating performance.
Description
technical field [0001] The invention relates to the field of compressors, in particular to a two-stage compressor and refrigeration equipment with the two-stage compressor. Background technique [0002] The first-stage compression part and the second-stage compression part of the two-stage compressor in the related art are both rotary compression structures. The characteristic of the exhaust of the rotary compression structure is that the exhaust is only performed within the range of 180° of roller rotation. , The exhaust is intermittent, which seriously affects the efficiency of the two-stage compressor. Although in the prior art, the problem of intermittent exhaust is alleviated by setting an intermediate cavity (medium pressure cavity), the suction channel of such a structure is too long, and the refrigerant gas is easily heated by the high-temperature environment inside the pump body, which affects poor performance. Contents of the invention [0003] The present inven...
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IPC IPC(8): F04C23/00F04C29/00
CPCF04B41/06
Inventor 陈振华郭宏
Owner GUANGDONG MEIZHI COMPRESSOR