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International Standard Serial Number:
ISSN 1001-4551
Sponsor:
Zhejiang University;
Zhejiang Machinery and Electrical Group
Edited by:
Editorial of Journal of Mechanical & Electrical Engineering
Chief Editor:
ZHAO Qun
Vice Chief Editor:
TANG ren-zhong,
LUO Xiang-yang
Tel:
86-571-87041360,87239525
Fax:
86-571-87239571
Add:
No.9 Gaoguannong,Daxue Road,Hangzhou,China
P.C:
310009
E-mail:
meem_contribute@163.com
Abstract: Aiming at the problem that the installation phase angle of the direct drive scroll and the fixed scroll could not get adjusted, a method of adjusting the phase angle of direct drive scroll based on swing angle motor was studied. Firstly, the architecture of direct drive scroll based on swing angle motor was proposed, the characteristics of the movable scroll profile and the mechanism of phase angle adjustment were analyzed. Then, the method of adjusting the phase angle of the orbiting scroll was proposed, that was, the radius of the orbiting scrolls translational trajectory circle was calculated through any three non-coincident points on the orbiting scroll‘’s running trajectory, and the phase angle adjustment was optimized after confirming the direction of the adjusting phase angle of the orbiting scroll. Finally, an experimental platform for phase angle adjustment of direct-drive scroll compressors was built to verify the feasibility of the above methods. The experimental results show that,when the adjusted phase angle of the orbiting scroll is -4 °, the calculated translational trajectory circle radius reaches the maximum R= 4.686mm, and the theoretical translational trajectory circle radius r = 4.721mm. The relative error between the two is 0.73%.The research results show that this method can effectively adjust the phase angle of the orbiting scroll compressor.
Key words: scroll compressor; phase angle of the moving vortex disk; translational trajectory radius; direct drive of swing angle motor; phase angle adjustment direction; vortex profile equation
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