대한설비공학회:학술대회논문집 (Proceedings of the SAREK Conference)
- 대한설비공학회 2007년도 동계학술발표대회 논문집
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- Pages.410-415
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- 2007
차량용 전동식 스크롤 압축기의 배압제어밸브 설계
Design of Back Pressure Control Valve for Automotive Scroll Compressor
- Nam, Bo-Young (Technical Research Center, Doowon Heavy Industrial Co., LTD) ;
- Koo, In-Hwe (Department of Mechanical Engineering, Doowon Technical College) ;
- Han, Young-Chang (Technical Research Center, Doowon Heavy Industrial Co., LTD) ;
- Lee, Geon-Ho (Department of Architecture Engineering, Doowon Technical College)
- 발행 : 2007.11.30
초록
The optimization of back pressure chamber is one of the most important factors in designing scroll compressors, because it has a great influence on the efficiencies and other design parameters. The design process can be divided into 2 parts. One is obtaining the optimum pressure of the chamber and keeping it in constant value. And the other is finding out the minimum inflow rate of medium with which back pressure chamber is filled. In this study we are focused on the first step. At first we added a simple structure that could change back pressure without reassembling compressor. It makes the optimum back pressure be obtained. And then we devised an equipment that the back pressure control valve assembly could be independently tested with. A spring was redesigned to decrease stiffness variation. And sealing mechanism of back pressure control valve was improved to more effective way. As a result it was verified in a real mode test that back pressure variation could be stabilized within 2.3% when discharge pressure and operating frequency varied. And the integrated structure of back pressure control valve is expected to contribute to an effective manufacturing process.