Low-backpressure rotary compressor and refrigeration equipment provided with same
A rotary compressor, low back pressure technology, applied in the direction of rotary piston machinery, mechanical equipment, rotary piston pumps, etc., can solve the problems affecting the performance of compressors, electrical safety hazards, reduction of suction quality, etc., to improve Use safety, improve performance, improve the effect of frosting
Active Publication Date: 2014-01-22
ANHUI MEIZHI PRECISION MFG
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Problems solved by technology
[0004] However, compared with high-back-pressure compressors, low-back-pressure rotary compressors still have some technical problems, such as easy frosting at the terminals in low-temperature environments, and potential electrical safety hazards
Another example is that before the suction air enters the compression chamber, it is used to drive the motor to cool the motor, resulting in an increase in suction specific volume and a decrease in suction quality, which greatly affects the performance of the compressor.
Method used
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[0060] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.
[0061] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...
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The invention discloses a low-backpressure rotary compressor and refrigeration equipment provided with the low-backpressure rotary compressor. The low-backpressure rotary compressor comprise a compressor shell, a compressing mechanism, a driving motor and a gas-liquid refrigerant separating device, wherein the compressing mechanism is arranged in the compressor shell and is provided with a gas suction port and an exhaust port; the driving motor is arranged in the compressor shell; the gas-liquid refrigerant separating device is arranged outside the compressor shell and is constructed to be used for separating a refrigerant mixture entering the gas-liquid refrigerant separating device, outputting the separated gaseous refrigerant to a compression cavity of the compressing mechanism through the gas suction port and outputting the separated liquid refrigerant to the inside of the compressor shell to cool the driving motor. The low-backpressure rotary compressor is additionally provided with a liquid storage device, so that the gas suction quality is increased and the electrical safety performance is also improved.
Description
technical field [0001] The invention relates to a low back pressure rotary compressor and refrigeration equipment with the same. Background technique [0002] The rotary compressors that have been widely used all adopt the structure of high pressure in the shell, that is, high back pressure. After the refrigerant returned from the system to the compressor passes through the gas-liquid separator, the gaseous refrigerant is directly sucked into the cylinder to complete compression. The compressed high-temperature and high-pressure refrigerant is discharged into the inner space of the compressor shell, and after cooling the motor, it is discharged from the compressor and enters the system circulation. [0003] Compared with the rotary compressor with high back pressure structure, there is a rotary compressor with low back pressure structure in which the pressure inside the casing is low, that is, the inside of the casing communicates with the suction pressure. Compared with hi...
Claims
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IPC IPC(8): F04C18/356F04C29/00F04C29/04
Inventor 高斌
Owner ANHUI MEIZHI PRECISION MFG