Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination

Xiong Shuo Chen Kai Zhou Changji Zeng Jing

doi:10.12465/issn.0253-4339.20260525001

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Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination

更新时间：2026-09-14

- Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination
- Journal of Refrigeration Pages: 1-8(2026)
- 作者机构：
  
  珠海格力电器股份有限公司珠海 519070
- 作者简介：
  
  Chen Kai， male， master degree， intermediate engineer， Gree Electric Appliances， Inc. of Zhuhai， 86-15802605415， E-mail： chenkai.ka@qq.com. Research fields： advanced technologies of refrigeration & air-Conditioning.
- 基金信息：
- DOI：10.12465/issn.0253-4339.20260525001
  CLC： TB61⁺1;TB657.5;TK172
- Received：25 May 2026，
  
  Revised：2026-06-21，
  
  Accepted：14 July 2026，
  
  Online First：14 September 2026，
- 稿件说明：
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熊硕，陈楷，邹长吉，等. 基于多部件协同的不停机逆循环快速除霜控制策略研究［J］. 制冷学报，XXXX，XX（XX）：1-8.

Xiong Shuo，Chen Kai，Zhou Changji，et al. Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination［J］. Journal of Refrigeration，XXXX，XX（XX）：1-8.
熊硕，陈楷，邹长吉，等. 基于多部件协同的不停机逆循环快速除霜控制策略研究［J］. 制冷学报，XXXX，XX（XX）：1-8. DOI： 10.12465/issn.0253-4339.20260525001.

Xiong Shuo，Chen Kai，Zhou Changji，et al. Rapid Defrosting Control Strategy for Non-Stop Reverse-Cycle Based on Multicomponent Coordination［J］. Journal of Refrigeration，XXXX，XX（XX）：1-8. DOI： 10.12465/issn.0253-4339.20260525001.

摘要

传统逆循环除霜技术因需频繁启停压缩机，存在化霜效率低、体验差及对压缩机寿命影响大等问题。为此，本文在传统逆循环除霜基础上，研究建立了压缩机、电子膨胀阀、四通阀协同控制策略，实现不停机快速除霜；通过变工况实验平台，对不同方案进行了对比测试。结果表明：该策略能实现不停机逆循环除霜，且有更高的可靠性，对压缩机寿命的影响更小；通过4种参数方案的对比测试，确定了参数的设计原则，其中方案2表现最优，在最容易结霜的工况下，其制热能力可提升13%，不舒适度降低60%，运行周期延长38%。本研究为低温环境下热泵系统的高效、稳定、舒适运行提供了更优的技术路径，具有良好的工程应用价值与推广前景。

Abstract

Conventional reverse-cycle defrosting technology exhibits disadvantages such as low defrosting efficiency， poor thermal comfort， and significantly reduced compressor lifespan due to frequent compressor start-stop cycles. To address these challenges， this study develops a coordinated control strategy for the compressor， electronic expansion valve， and four-way valve based on conventional reverse-cycle defrosting， thus enabling rapid defrosting without compressor shutdown. Comparative tests were conducted using an experimental platform under variable operating conditions. The results demonstrate that the proposed strategy achieves efficient non-stop reverse-cycle defrosting with higher reliability and mitigates damage to the compressor. Through comparative testing of four parameter schemes， design principles for parameter optimization were established. Scheme 2 exhibited the best performance： under frosting-prone conditions， it improved heating capacity by 13%， reduced discomfort level by 60%， and extended operational-cycle duration by 38%. This study provides an optimized technical pathway for the stable and highly efficient operation of heat pumps in low-temperature environments， thereby enhancing thermal comfort and offering strong potential for widespread engineering adoption.

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references

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