小型对置式直线压缩机模拟及实验研究

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直线压缩机具有体积小、摩擦力小、效率高以及无油润滑等优点,其小型化设计在微电子冷却及微型空调领域具有重要的发展前景.利用Ansoft?Maxwell有限元分析软件建立了动磁式直线电机模型,确定了谐振工况下直线电机结构及性能参数,通过数值积分分析了空载和负载工况下的活塞位移.根据理论分析和模拟,研制了对置式直线压缩机实验样机,压缩机总质量为1.2?kg,总长度为118?mm.实验结果显示:以R134a为制冷剂时,在冷凝压力为0.79?MPa、蒸发压力为0.39?MPa下,制冷量为57.3?W.模拟及实验结果对直线压缩机小型化设计具有参考价值.
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