Experimental Investigation of Series and Parallel Drive Characteristics in an Opposed-Piston Linear Compressor for Attitude-Following Heat Pumps

Zhang Shuo; Ren Zhijie; Shao Wencong; Wu Guifang; Tang Mingsheng; Zou Huiming

doi:10.12465/issn.0253-4339.20260630001

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Experimental Investigation of Series and Parallel Drive Characteristics in an Opposed-Piston Linear Compressor for Attitude-Following Heat Pumps

更新时间：2026-08-04

- Experimental Investigation of Series and Parallel Drive Characteristics in an Opposed-Piston Linear Compressor for Attitude-Following Heat Pumps
- Journal of Refrigeration Pages: 1-8(2026)
- 作者机构：
  
  1.低温科学与技术全国重点实验室中国科学院理化技术研究所北京 100190
  2. 中国科学院大学前沿交叉科学学院北京 100049
  3. 北京建筑大学环境与能源学院北京 102616
- 作者简介：
  
  Tang Mingsheng， male，associate professor，Technical Institute of Physics and Chemistry， Chinese Academy of Sciences， E-mail： tangmingsheng@mail.ipc.ac.cn. Research fields： novel compressors and thermal systems.
- 基金信息：
  
  the National Science Foundation of China(52276023)
- DOI：10.12465/issn.0253-4339.20260630001
  CLC： TB652;TH45
- Received：30 June 2026，
  
  Revised：2026-07-14，
  
  Accepted：14 July 2026，
  
  Online First：04 August 2026，
- 稿件说明：
移动端阅览
张硕，任志杰，邵闻聪，等. 姿态跟随型热泵用对置直线压缩机串并联供电驱动特性研究［J］. 制冷学报，XXXX，XX（XX）：1-8.

Zhang Shuo，Ren Zhijie，Shao Wencong，et al. Experimental Investigation of Series and Parallel Drive Characteristics in an Opposed-Piston Linear Compressor for Attitude-Following Heat Pumps［J］. Journal of Refrigeration，XXXX，XX（XX）：1-8.
张硕，任志杰，邵闻聪，等. 姿态跟随型热泵用对置直线压缩机串并联供电驱动特性研究［J］. 制冷学报，XXXX，XX（XX）：1-8. DOI： 10.12465/issn.0253-4339.20260630001.

Zhang Shuo，Ren Zhijie，Shao Wencong，et al. Experimental Investigation of Series and Parallel Drive Characteristics in an Opposed-Piston Linear Compressor for Attitude-Following Heat Pumps［J］. Journal of Refrigeration，XXXX，XX（XX）：1-8. DOI： 10.12465/issn.0253-4339.20260630001.

摘要

直线压缩机去除了曲柄连杆传动结构，易于实现无油运行。工质自润滑对置直线压缩机可以用于姿态跟随型热泵中，并显著提升系统流量。本文研制了双电机型对置式工质自润滑直线压缩机样机，并搭建了压缩机测试实验台架，使用R1234yf制冷剂对压缩机进行了变容量调节实验，进一步分析了串并联供电驱动模式下压缩机的动态响应。结果表明：并联驱动模式相较串联模式压缩机运行电压更小，使对置压缩机内部2台压缩机到达相同行程所需电压差更小。在62 Hz的运行频率下，供电电压从120 V增至160 V，串联模式的功率因数比并联模式平均高0.17，平均电机效率提高8.1%。在不同应用场景下应选择合适的压缩机驱动模式。

Abstract

Linear compressors eliminate the slider-crank mechanism and facilitate oil-free operations. Self-lubricating opposed-piston linear compressors are suitable for integration into attitude-following heat-pump systems while significantly enhancing the system flow rate. In this study， a dual-motor self-lubricating opposed-piston linear compressor prototype was developed， and a comprehensive test bench was established. Using the R1234yf refrigerant， variable-capacity experiments were conducted to analyze the dynamic responses under series and parallel power supply modes. The results indicate that parallel drive requires a lower voltage than series mode， reducing the voltage differential required to achieve synchronized piston strokes in opposing configurations. During 62 Hz operation， when the supply voltage increased from 120 to 160 V， the series mode maintained， on average， a 0.17 higher power factor and 8.1% greater motor efficiency compared with the parallel mode. Thus， the driving mode selection should consider the specific application requirements.

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references

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