Vortex compressor and design method thereof

Abstract

The invention discloses a vortex compressor and a design method thereof. A static vortex of the vortex compressor is provided with an unloading hole; a slide ring which can move up and down is nested on a cylindrical lug boss of the upper part of the static vortex; the upper surface of the slide ring is contacted with the lower surface of a high-low pressure clapboard; a reset ring and an unloading hole sealing piece are arranged between the slide ring and the static vortex; the reset ring is arranged in a counter bored hole of the upper part of the static vortex; and the unloading hole sealing piece is arranged on the counter bored hole corresponding to the unloading hole at the upper part of the static vortex. The design method comprises the steps of determining pressure different setting value and calculating the size, the rigidity and the amount of the reset ring according to design requirements of the vortex compressor. Because gas in a compressing cavity of the invention can leak to the low-pressure cavity from the unloading hole, then the speed for establishing pressure difference of a high-pressure cavity and the low-pressure cavity is slowed, the starting load is reduced, the reliability for starting the vortex compressor is greatly enhanced, and the possibility of liquid attack is reduced.

Description

technical field [0001] The invention relates to a compressor, in particular to a scroll compressor and a design method thereof. Background technique [0002] As we all know, the existing scroll compressors include a fixed scroll with spiral scroll teeth, and a movable scroll with spiral scroll teeth matched with the fixed scroll. A plurality of compression chambers with variable volumes are formed together, and the motor drives the crankshaft to drive the movable scroll to revolve along its orbit, thereby completing the suction, compression and discharge of gas. During the starting process, the multiple compression chambers are compressed simultaneously to generate greater resistance, which causes a large load on the motor when starting, making it difficult to start or even impossible to start. Moreover, when the compressor starts, the liquid refrigerant of the air conditioning system may enter the compression cavity. Due to the incompressibility of the liquid, forced comp...

AI Technical Summary

Problems solved by technology

During the starting process, the multiple compression chambers compress at the same time to generate greater resistance, which causes a large load on the motor when starting, making it difficult to start or even impossible to start.

Moreover, when the compressor starts, the liquid refrigerant of the air conditioning system may enter the compression chamber

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