复叠式空气源热泵蓄能除霜与常规除霜特性实验研究

曲明璐; 李天瑞; 樊亚男; 王坛

doi:10.3969/j.issn.0253-4339.2017.01.034

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复叠式空气源热泵蓄能除霜与常规除霜特性实验研究

更新时间：2024-07-18

- 复叠式空气源热泵蓄能除霜与常规除霜特性实验研究
- Experimental Study on Characteristics of Energy Storage Defrosting and Conventional Defrosting for Cascade Air Source Heat Pump
- 制冷学报 2017年38卷第1期
- 作者机构：
  
  上海理工大学环境与建筑学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金青年基金(51406119)资助项目。
- DOI：10.3969/j.issn.0253-4339.2017.01.034
  中图分类号：
- 纸质出版日期：2017
- 稿件说明：
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曲明璐, 李天瑞, 樊亚男, 等. 复叠式空气源热泵蓄能除霜与常规除霜特性实验研究[J]. 制冷学报, 2017,38(1).

Qu Minglu, Li Tianrui, Fan Yanan, et al. Experimental Study on Characteristics of Energy Storage Defrosting and Conventional Defrosting for Cascade Air Source Heat Pump[J]. Journal of refrigeration, 2017, 38(1).
曲明璐, 李天瑞, 樊亚男, 等. 复叠式空气源热泵蓄能除霜与常规除霜特性实验研究[J]. 制冷学报, 2017,38(1). DOI： 10.3969/j.issn.0253-4339.2017.01.034.

Qu Minglu, Li Tianrui, Fan Yanan, et al. Experimental Study on Characteristics of Energy Storage Defrosting and Conventional Defrosting for Cascade Air Source Heat Pump[J]. Journal of refrigeration, 2017, 38(1). DOI： 10.3969/j.issn.0253-4339.2017.01.034.

摘要

针对复叠式空气源热泵在冬季寒冷地区供热运行中遇到的结霜和除霜问题，本文提出增设蓄热器的蓄能复叠式空气源热泵除霜系统，通过实验研究了该系统间断制热蓄能除霜及不间断制热蓄能除霜两种除霜模式下的除霜特性，并与常规复叠式空气源热泵采用的低温级热气旁通除霜方式进行对比分析。结果表明：采用蓄能除霜方法的除霜时间较旁通除霜减少71.4%~77.6%，系统除霜能耗降低65.1%~85.2%，机组除霜运行更稳定、可靠。

Abstract

Based on the frosting and defrosting problems of cascade air source heat pumps (CASHPs) during heating operation in the cold area in winter

a novel thermal energy storage CASHP defrosting system with a thermal accumulator is proposed. The defrosting performances of thermal energy storage defrosting mode with intermittent heating and continuous heating were experimentally studied

and then the experimental results were compared with common used hot-gas bypass defrosting mode. It was found that in energy storage defrosting mode

the defrosting duration time and the energy consumption were reduced by 71.4%~77.6% and 65.1%~85.2% respectively compared with hot-gas bypass defrosting mode

and the system defrosting operation was more stable and reliable.

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