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Whirlpool compressor

A scroll compressor and scroll technology, applied in the field of scroll compressors, can solve the problem that the compression ratio of the scroll compressor cannot be greatly improved, etc.

Inactive Publication Date: 2005-01-26
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the disadvantage that the compression ratio of the scroll compressor cannot be greatly improved due to the mutual limitation of the strength and the compression ratio of the PMP-shaped scroll root section (that is, the high-pressure region)

Method used

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Embodiment Construction

[0043] The basic idea of ​​"extended deformation correction" theory is as follows:

[0044] Such as figure 1 As shown, the main vortex base circle O, the center of which is at point O, now introduce two left and right slave base circles O′ with radius a and distance D from point O 1 and O' 2 , the centers of the three main and slave base circles are on a straight line, and the angle between the straight line where the three centers are located and the X axis is ψ. The inner and outer main vortex lines generated by the main base circle are involute J 1 E. 1 and J 2 E. 2, the starting angles are α and -α respectively, the radius of the main base circle is a, now set the starting point J of the inner and outer vortices 1 and J 2 does not change with the change of β angle, but in figure 1 fixed point in . right figure 1

[0045] J 1 The starting angle of the point is: α 1 = 3 π ...

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Abstract

One kind of new vortex compressor, its vortex root line based on three base circle (Three Basic Cricle, is called TBC) the theory to extend the revision line. This line inside revises involute the section E1J1, inside by flank host involute section J2E2, the connection tangential path E2E1, to revise involute section J1k1, revision great-circle segmental arc K1N1, the revision small circle segmental arc NK2, flank to revise involute section K2J2 to be composed. Revision circular arc center of a circle O1 and O2 in do not bind me first base circle tangent on. This invention has solved the PMP line turbulence root section (namely high pressure region spot) the intensity and the compression ratio mutually limits, the vortex compressor compression ratio cannot largely enhance tangential point, thus while enhances the vortex compressor compression ratio, the vortex root intensity also has the enhancement.This invention involves the vortex compressor is suitable for the air conditioning, the refrigeration, aspect and so on vacuum pump and gas loading.

Description

technical field [0001] The present invention relates to a scroll compressor. The scroll compressor is used in air conditioning, refrigeration, vacuum pump and gas compression etc. Background technique [0002] The scroll compressor is a brand-new compressor that has appeared in the world for more than 20 years. It has the advantages of simple mechanism, high efficiency and low noise. In order to obtain a high-efficiency compression ratio, various countries have done a lot of work on the correction of the scroll root profile of the scroll compressor. At present, the modified profile of the scroll root (ie, the high-pressure area) of the scroll compressor widely used in various countries is a fully meshed Perfect Mesh Industrial profile (PMP profile) developed by Japan's Mitsubishi Heavy Industries. It is characterized in that the high-pressure area is corrected by two arcs, and the centers of the corrected arcs are all on the tangent of the base circle of the main vortex. ...

Claims

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Application Information

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IPC IPC(8): F04C18/02F04C29/00
Inventor 宋立权陈进王伟
Owner CHONGQING UNIV
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