多级半导体制冷器的制作

论文编号:ZD915    论文字数:13009,页数:35

摘要
本科题主要阐述了半导体制冷原理与应用，散热强度对制冷性能的影响，以及半导体制冷器的性能测试。最后得出一些重要的结论。与传统的压缩式制冷机相比，本课题研制的制冷器具有以下优点：无噪声，寿命长；无污染；工作可靠，调节方便；尺寸小，重量轻。

关键词：热电效应、热电制冷、散热强度、半导体制冷、制冷性能

Abstract       Undergraduate major title on the Theory and Application of Semiconductor refrigeration, heat intensity of the impact
of refrigeration performance and cooling performance of semiconductor testing. Came to the conclusion that some
important conclusions. Traditional compared to the compression chillers，the subject of the development of the refrigerator has the following advantages: no noise，long life；clean；the work of a reliable，convenient adjustment；small size，light weight.

Key words: thermoelectric effect、thermoelectric refrigeration、cooling intensity、semiconductor refrigeration、 cooling performance.
目录
摘 要…………………………………………………………………………. . ….……………...I
Abstract……………………………………………………………………………. . ….………Ⅱ
目 录…………………………………………………………………...…………………...........Ⅲ
1.绪论...............................................................1
2..半导体制冷技术的介绍…………………………………….…………………….3
2.1半导体制冷原理…………………………….………………….….…………………………3
2.2半导体制冷技术的应用………………………….…..………………..………………….5
2.3 半导体制冷器的散热方式…………………………………………………………….….…6
2.3.1空气冷却…………………………………………………………………………………….6
2.3.2液体冷却…………………………………………………………………………………….7
2.3.3 其它的散热方式…………………………………………………………………………..7
2.4散热强度对制冷性能的影响………………………………………………………………….8
2.4.1半导体制冷器的传热分析………………………………………………………………….8
2.4.2数值计算结果及分析……………………………………………………………………….9
2.5 半导体制冷片的实际应用………………………………………………………………….12
2.5.1外接电源…………………………………………………………………………………..12
2.5.2结露现象……………………………………………………………………………………12
2.5.3风扇的使用…………………………………………………………………………………12
2.5.4制冷片的选择………………………………………………………………………………13
3.半导体制冷器性能测试………………………………………………………….13
3.1半导体制冷器的最佳工作电流I最佳温差△Tmax和冷端温度Tc………………………….14
3．2半导体制冷器的输人功率P与效率c……………………………………………………….17
4.半导体制冷器的设计…………………………………………………………….19
5总结………………………………………………………………………………....21
致谢………………………………………………………….…………………….....22
参考文献…………………………………………………….…………………….....23
附录………………………………………………………….…………………….....24