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浙江大学学报(工学版)
能源工程     
耦合双循环冰箱的温度及耦合运行控制策略
何万基, 沈燕, 陈光明, 韩斌斌, 唐黎明
1. 浙江大学 制冷与低温研究所,浙江 杭州 310027;
2. 浙江大学 浙江省制冷与低温技术重点实验室, 浙江 杭州 310027;
3. 杭州华日电冰箱有限公司, 浙江 杭州 310027
Temperature and coupling running combination control scheme of dual-loop coupled refrigerator/freezer
HE Wan ji, SHEN Yan, CHEN Guang ming, HAN Bin bin, TANG Li ming
1. Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China;
2. Key Laboratory of Refrigeration and Cryogenic Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027, China;
3. Hangzhou Huari Refrigerator Co., Ltd., Hangzhou 310027, China
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摘要:

针对现有冰箱控制策略仅对间室温度进行控制而难以保证耦合双循环冰箱耦合运行要求的问题,提出了温度及耦合运行控制策略,在双位调节上下温度界限基础上引入温度偏移参数,实现了间室温度和系统耦合运行的协同控制.利用冰箱动态模型对不同温度偏移参数的控制方案进行模拟分析,得到了温控精度和耦合控制效果较佳的最优参数组合.以一台冰箱样机为实验对象,应用最优参数组合,开展了与常规控制策略的对比实验以及变工况条件的实验,实验结果验证了温度及耦合运行控制策略的有效性和变工况适应性.在25 ℃环境温度工况下,新型控制策略的耦合控制效果显著优于常规控制策略.在变工况条件下,冰箱稳定运行时的耦合利用率普遍超过85 %,间室的温度也基本维持在合理范围内.

Abstract:

A temperature and coupling running combination control scheme was proposed aiming at the problem that existing control schemes of refrigerator/freezers (RFs) are based only on compartment temperature and are difficult to ensure the coupling running control of dual-loop coupled RF. The temperature excursion parameters (TEPs) were introduced into two-position control scheme’s upper and lower temperature limits, and synergy control between compartment temperature and coupling running of RF system were achieved. A series of numerical simulations were conducted in order to analyze  the control effects of the new control scheme with different TEPs,  and the optimum TEPs were obtained as results. The optimum TEPs were applied to a RF prototype, and comparison experiments with ordinary control scheme and experimental tests under variable working conditions were  conducted  The experimental results verified that the new control scheme was effective and adaptable. The coupling effect of the new control scheme is superior to the ordinary scheme at 25 ℃ ambient temperature. Even in variable working conditions, generally more than 85 % of coupling utilization ratio can be obtained, and compartments’ temperatures are maintained in a  reasonable ranges.

出版日期: 2016-08-01
:  TB 657.4  
基金资助:

浙江省重大科技专项重大工业资助项目(2014NM007).

通讯作者: 唐黎明,男,教授, ORCID: 0000-0001-5111-9763.     E-mail: lmtang@zju.edu.cn
作者简介: 何万基(1991—),男,硕士生,从事冰箱制冷技术研究. ORCID: 0000-0001-5712-8986. E-mail: howanji@zju.edu.cn
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引用本文:

何万基, 沈燕, 陈光明, 韩斌斌, 唐黎明. 耦合双循环冰箱的温度及耦合运行控制策略[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.08.014.

HE Wan ji, SHEN Yan, CHEN Guang ming, HAN Bin bin, TANG Li ming. Temperature and coupling running combination control scheme of dual-loop coupled refrigerator/freezer. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.08.014.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.08.014        http://www.zjujournals.com/eng/CN/Y2016/V50/I8/1521

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