摘要
设计开发了一种动磁式直线压缩机样机,利用磁路分析法对直线压缩饥的静态特性进行定性分析,得到了电磁力、磁链关于电流、位移以及直线振荡电机结构参数之间的函数关系。又利用电磁场的二维有限元参数化分析进行定量分析,精确计算了不同位置和电流下的电磁力和磁链,修正了磁路分析的计算结果。为研究其动态特性,将有限元静态分析与状态方程法相结合,建立了动力学模型,并利用4阶Runge-Kutta法求解状态方程。实验证明,此动态特性仿真方法是有效的,样机的性能能够满足冰箱压缩机的需求。
A prototype of linear compressor was developed,and by means of equivalent magnetic circuit method,the static characteristics were qualitatively studied,then the electromagnetic force and flux linkage were expressed as the functions of input current,moving part s displacement and linear oscillatory actuator s structural parameters;By using parametric 2D finite element analysis in electromagnetic field,the flux linkage and electromagnetic force was quantitatively evaluated with different displacement and exci...
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
2008年第9期1499-1502,共4页
Journal of Engineering Thermophysics
基金
浙江省嘉兴市重大科技攻关资助项目(No.2004001)
关键词
直线压缩机
动磁
动态特性
机电耦合
有限元分析
linear compressor
moving magnet
dynamic characteristics
electromechanical coupling
finite element analysis
