| 摘要: |
| 通过实验及模拟手段，对采用变频压缩机的风冷冰箱在压缩机不同转速时的耗电量、功率及开机率进行了研究。同时还研究了压缩机在不同转速条件下，冰箱的冷藏室、冷冻室、果蔬室及制冰室等主要间室内的温度变化情况。实验结果表明：当压缩机在最优运转速度时，冰箱的各个间室温度变化能控制在良好的范围内，其中冷藏室平均温度为4.1℃，最大温度波动为3.4℃、果蔬室平均温度6.1℃，最大温度波动为1.0℃。在各个测试间室温度满足国家标准要求的条件下，变频压缩机可以使该风冷冰箱的耗电量达到0.908kWh/d左右（不带负载）。另外冰箱系统的软件模拟结果与实验数据相比，当压缩机转速为3000r/min时，最大偏差为16.2%，而在压缩机转速为1900r/min时，模拟和测试结果吻合较好，其偏差降为8.6%。此实验结果验证了模拟软件的可靠性，同时也表明冰箱系统模型仍需进一步优化。 |
| 关键词: 变频压缩机 风冷冰箱 节能 实验 |
| DOI： |
| 投稿时间：2012-12-14
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| 基金项目: |
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| An Experimental Analysis of a Frost-free Refrigerator using a Variable Capacity Compressor |
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Wang Wei, Wang Rui, Qin Zongmin
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| (Beijing Embraco Snowflake Co., Ltd.) |
| Abstract: |
| A frost-free refrigerator with a variable capacity compressor(VCC) is studied based on the results from experiments and simulation. Analyses are conducted in terms of the system energy consumption, power and running percentage under several different compressor speeds. Moreover, the temperature variation in fresh food storage, freezer, fruit vegetable and the ice-making compartments is also discussed under different compressor running speeds respectively. The experimental results show that the temperature variation in all the compartments could be kept in a reasonable scope when the compressor is running at an optimal speed. The average temperature of the fresh food storage compartment is 4.1℃ with a maximum deviation of 3.4℃ and the average temperature in the fruit vegetable compartment is 6.1℃ with a max deviation of 1.0℃. With the help of VCC the energy consumption of this frost-free refrigerator can reach 0.908kWh/day when the temperatures in all the compartments reach the national standard requirement. What’s more, compared to the experimental result the simulated system energy consumption is higher by 16.2% when the compressor runs at 3000r/min, however it drops to 8.6% when the compressor speed is set at 1900r/min. The comparison results prove the reliability of the simulation software and also indicate the importance of further work on system model optimization . |
| Key words: variable capacity compressor frost-free refrigerator energy saving experimental analysis |
