Performance of Helium-Valved Linear Compressor Motor for Space Use

Liu Kangjun; Sha Xinquan; Li Zicheng; Huang Qi; Ying Kongkuai; Ding Lei; Liu Shaoshuai; Jiang Zhenhua; Wu Yinong

doi:10.12465/j.issn.0253-4339.2025.03.104

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Performance of Helium-Valved Linear Compressor Motor for Space Use

更新时间：2025-05-30

- Performance of Helium-Valved Linear Compressor Motor for Space Use
- Journal of Refrigeration Vol. 46, Issue 3, Pages: 104-112(2025)
- 作者机构：
  
  1.上海科技大学信息科学与技术学院　上海　 201210
  2.中国科学院上海技术物理研究所　上海　 200083
  3.中国科学院大学　北京　 100049
- 作者简介：
  
  Ding Lei, male, special research assistant, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, 86-15201921757, E-mail: dinlei1@mail.sitp.ac.cn. Research fields: space cryogenic mechanical refrigeration technology.
- 基金信息：
  
  the National Natural Science Foundation of China(51806231)
- DOI：10.12465/j.issn.0253-4339.2025.03.104
  CLC： TB61⁺1;TB652
- Received：21 December 2023，
  
  Revised：29 January 2024，
  
  Accepted：15 April 2024，
  
  Published：16 June 2025
- 稿件说明：
移动端阅览
Liu Kangjun, Sha Xinquan, Li Zicheng, et al. Performance of Helium-Valved Linear Compressor Motor for Space Use[J]. Journal of refrigeration, 2025, 46(3): 104-112.
DOI：

Liu Kangjun, Sha Xinquan, Li Zicheng, et al. Performance of Helium-Valved Linear Compressor Motor for Space Use[J]. Journal of refrigeration, 2025, 46(3): 104-112. DOI： 10.12465/j.issn.0253-4339.2025.03.104.

摘要

有阀线性压缩机是空间液氦温区节流制冷机的关键部件，直线电机作为有阀线性压缩机的驱动部件，其电机力与气体力的匹配关系将直接影响压缩机的性能。基于等效气体力模型，建立了直线电机的仿真模型，搭建了有阀线性压缩机实验台，分析了不同工况下仿真结果和实验结果，研究了不同工况下的压缩机性能，并验证了气体力线性化的可靠性。研究结果表明：在充气压力为0.2 MPa和活塞行程为5 mm时，实验和仿真的共振频率均为50 Hz，电机效率为84.3%。输入功、电压、电流和电机效率最大相对误差分别为25.8%、21.7%、22.7%和13.5%。说明压缩机的电机效率与其共振频率有关，在共振频率与运行频率一致时，压缩机的电机效率最高。

Abstract

As the driving component of a valved linear compressor

the matching relationship between the motor force and gas force directly affects the performance of the compressor. A simulation model of the linear motor was established based on the equivalent gas-force model. In addition

a test bench for the valved linear compressor was constructed to analyze both the simulation and experimental results under various working conditions. This study aimed to investigate the performance of a compressor across different operating scenarios while verifying the reliability of gas force linearization. When the inflation pressure and piston pressure were 0.2 MPa and 5 mm

respectively

the resonance frequency of the experiment and simulation was 50 Hz

and the motor efficiency was 84.3%. The maximum relative errors of the input work

voltage

current

and motor efficiency were 25.8%

21.7%

22.7%

and 13.5%

respectively. This indicates that the motor efficiency of the compressor is related to its resonance frequency and that the motor efficiency of the compressor is the highest when the resonance frequency is consistent with the operating frequency. The simulation model of the linear motor is reliable

and the calculation results for the gas load are relatively accurate.

关键词

Keywords

references

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