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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (11): 1983-1986    DOI: 10.3785/j.issn.1008-973X.2013.11.015
能源工程     
带有冷变换器的双压缩机耦合冰箱
唐黎明,周苏明,陈光明,陈琪
浙江大学 制冷与低温研究所,浙江 杭州 310029
A two-combined-compressor refrigerator/freezer with cooling transformer
TANG Li-ming, ZHOU Su-ming, CHEN Guang-ming, CHEN Qi
Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310029, China
 全文: PDF 
摘要：

为提高冰箱的节能性能,提出一种新型双压缩机耦合冰箱,该冰箱在传统的双压缩机双循环冰箱的基础上增加一个冷变换器.冷变换器能将冷藏循环中部分低品位冷量转换为冷冻循环中的高品位冷量,提高冰箱的性能系数.文中对新型冰箱进行理论能耗分析和引入贡献率、压缩机效率等影响因素的模拟计算,结果表明：在国家标准测试工况下,带冷变换器的双压缩机耦合冰箱比普通双压缩机双循环冰箱的性能系数提高9.98%,比蒸发器串联单循环冰箱的性能系数提高13.38%.
关键词： 冰箱;  冷变换器;  双压缩机;  节能    
Abstract:

To improve the energy saving performance of refrigerator/freezers (RFs), a new two-combined-compressor RF was put forward by adding a cooling transformer (CT) into conventional two-compressor two-circuit cycle RFs. The CT can transform part of refrigerator-cycle (R-cycle) low-grade cooling capacity into freezer-cycle (F-cycle) high-grade cooling capacity, then improve the RFs coefficient of performance (COP). Theoretical energy consumption was analyzed, influence factors such as the transformation ratio (TR) and compressor efficiency were taken into consideration in the process of simulated calculation. The result shows that: when the condensation temperature is 32 ℃, storage temperatures is -5 ℃ and freezing temperature is -25 ℃ , COP of two-combined-compressor RFs with cooling transformer can be improved 9.98% compared with COP of two-compressor two-circuit cycle RFs,while compared with COP of evaporator in series cycle RFs, the improvement rate is 13.38%．
Key words: refrigerator/freezer    cooling transformer    two compressors    energy saving
出版日期: 2013-12-05
:  TB 657.4  
基金资助:

国家“973”重点基础研究发展计划资助项目（2010CB227304）；钱江人才计划资助项目（2012R10030）.
通讯作者: 陈琪，男，副教授.     E-mail: zjuchenqi@zju.edu.cn
作者简介: 唐黎明（1962-），男，教授，从事制冷、暖通工程的教学科研工作.E-mail：lmtang@zju.edu.cn
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引用本文:

唐黎明,周苏明,陈光明,陈琪. 带有冷变换器的双压缩机耦合冰箱[J]. J4, 2013, 47(11): 1983-1986.

TANG Li-ming, ZHOU Su-ming, CHEN Guang-ming, CHEN Qi. A two-combined-compressor refrigerator/freezer with cooling transformer. J4, 2013, 47(11): 1983-1986.

链接本文:

http://www.zjujournals.com/xueshu/eng/CN/10.3785/j.issn.1008-973X.2013.11.015    或    http://www.zjujournals.com/xueshu/eng/CN/Y2013/V47/I11/1983

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