储能装置不同参与方式下准二级压缩空气源热泵性能对比研究

宋春雨; 李勇; 穆文一; 李凯明; 智楠; 马素霞

doi:10.19799/j.cnki.2095-4239.2026.0266

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储能装置不同参与方式下准二级压缩空气源热泵性能对比研究

储能测试与评价 | 更新时间：2026-08-26

- 储能装置不同参与方式下准二级压缩空气源热泵性能对比研究
- Comparative study on the performance of a quasi-two-stage compression air-source heat pump under different participation modes of the thermal storage unit
- 储能科学与技术 2026年15卷第8期页码：3356-3365
- 作者机构：
  
  1.太原理工大学电气与动力工程学院，山西太原 030024
  2.煤电清洁控制教育部重点实验室，山西太原 030024
  3.山西焦煤集团森源节能环保有限公司，山西太原 030032
  4.青岛海尔智能技术研发有限公司，山东青岛 266101
- 作者简介：
  
  宋春雨（2001—），男，硕士研究生，研究方向为热泵技术，E-mail：2023520629@link.tyut.edu.cn；
  李勇，副教授，研究方向为热泵技术，E-mail：yongli@tyut.edu.cn。
- 基金信息：
  
  山西省重点研发计划项目(202302060301008)
- DOI：10.19799/j.cnki.2095-4239.2026.0266
  中图分类号： TU 832;TK 02
- 收稿：2026-03-30，
  
  修回：2026-05-04，
  
  网络首发：2026-08-26，
  
  纸质出版：2026-08-28
- 稿件说明：
移动端阅览
宋春雨, 李勇, 穆文一, 等. 储能装置不同参与方式下准二级压缩空气源热泵性能对比研究[J]. 储能科学与技术, 2026, 15(8): 3356-3365.

SONG Chunyu, LI Yong, MU Wenyi, et al. Comparative study on the performance of a quasi-two-stage compression air-source heat pump under different participation modes of the thermal storage unit[J]. Energy Storage Science and Technology, 2026, 15(8): 3356-3365.
宋春雨, 李勇, 穆文一, 等. 储能装置不同参与方式下准二级压缩空气源热泵性能对比研究[J]. 储能科学与技术, 2026, 15(8): 3356-3365. DOI： 10.19799/j.cnki.2095-4239.2026.0266.

SONG Chunyu, LI Yong, MU Wenyi, et al. Comparative study on the performance of a quasi-two-stage compression air-source heat pump under different participation modes of the thermal storage unit[J]. Energy Storage Science and Technology, 2026, 15(8): 3356-3365. DOI： 10.19799/j.cnki.2095-4239.2026.0266.

摘要

针对寒冷地区空气源热泵低温工况下制热性能衰减、压缩机排气温度偏高、系统稳定性不足等问题，本研究搭建准二级压缩耦合储能装置空气源热泵实验系统，设置主路制冷剂经蓄热器过冷的模式A与主路制冷剂不经蓄热器过冷的模式B，开展两种储能参与方式的对比实验。在-25℃、-15℃、-5℃环境温度下，系统测试制热量、COP、压缩机运行参数、制冷剂流量分配、㶲效率及变负荷稳定性。结果表明：与模式A相比，模式B在-25℃、-15℃、-5℃工况下制热量分别提升2.93%、2.14%、15.01%，COP分别提升9.39%、5.60%、6.53%；-25℃时排气温度与排气压力分别降低28.5℃、0.24 MPa。制冷剂分配显示，模式B可将更多制冷剂分配至经济器与蓄热器补气支路，经济器补气流量提高32.81%～49.18%，蓄热器补气支路流量提高33.84%～38.76%，低温补气强化效果更显著。㶲分析表明，模式B总㶲损失分别降低10.31%、4.89%、3.48%，㶲效率分别提高5.91%、1.90%、8.79%，且在-25℃变负荷条件下运行稳定。研究表明，储能装置参与方式显著影响系统低温性能与热力学特性，取消主路过冷环节的模式B可减小流动阻力与不可逆损失，优化制冷剂分配，提升低温适应性与综合运行性能，可为严寒地区空气源热泵系统优化设计提供实验依据与技术参考。

Abstract

To address problems such as heating performance degradation

high compressor discharge temperature

and insufficient system stability in air-source heat pumps operating at low temperatures in cold regions

an experimental quasi-two-stage compression air-source heat pump system coupled with a thermal storage unit was built. Two operation modes were compared: Mode A (main refrigerant subcooled by the thermal storage unit) and Mode B (main refrigerant not subcooled by the thermal storage unit). Experiments were conducted at ambient temperatures of -25℃

-15℃

and -5℃ to evaluate the heating capacity

coefficient of performance (COP)

compressor parameters

refrigerant flow distribution

exergy efficiency

and variable-load stability. The results showed that

compared with Mode A

the heating capacity of Mode B was increased by 2.93%

2.14%

and 15.01%

and the COP was increased by 9.39%

5.60%

and 6.53% at -25℃

-15℃

and -5℃

respectively. At -25℃

the discharge temperature and pressure were reduced by 28.5℃ and 0.24 MPa

respectively. Refrigerant distribution revealed that Mode B distributed more refrigerant to the economizer and thermal storage unit vapor-injection branches

with flow rates increasing by 32.81%—49.18% and 33.84%—38.76%

respectively

strengthening low-temperature vapor injection. Exergy analysis indicated that the total exergy loss of Mode B was reduced by 10.31%

4.89%

and 3.48%

and the exergy efficiency was improved by 5.91%

1.90%

and 8.79%. Mode B also remained stable under variable load at -25℃. The participation mode of the thermal storage unit markedly affects low-temperature and thermodynamic performance. Mode B

which does not subcool the main flow

reduces flow resistance and irreversible loss

optimizes refrigerant distribution

and improves low-temperature adaptability and overall performance

thereby providing experimental support and a technical reference for the optimal design of air-source heat pumps in severe cold regions.

关键词

Keywords

references

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