半导体恒温箱的性能实验研究
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摘要
本文提出一种以半导体制冷片为控温模块的半开放式恒温箱,半导体制冷片的热端作为热源,以实现家庭绿植在冬季对温度的需求。在环境温度0℃和10℃的工况下,半导体制冷模块输入电压分别为24 V和30 V进行试验。实验表明,半导体元件通电后,输入电压的大小对冷热端温差有明显的影响,半导体元件冷热端温差越大,电流越小,且输入电流随着温差逐渐变大而降低,降速逐渐减慢,最终趋于稳定状态。整个恒温箱的温度控制基本符合要求,均处于适宜温度区间。
A semi-open thermostat with a group of semiconductor refrigeration chips as the temperature control module is designed in this paper. The hot end of the semiconductor refrigeration chip is used as the heat source to realize the temperature requirement of the family green plant in winter. In the case, the semiconductor module input voltages of 24 V and 30 V are tested at the work temperature of 0 ℃ and 10 ℃. Experimental results show that after the semiconductor components are energized, the input voltage has a significant influence on the temperature difference between the hot and cold ends. The larger the temperature difference between the cold and hot ends of the semiconductor components is, the smaller the current is, and the input current decreases as the temperature difference becomes larger; the speed decreases gradually till to be stable eventually. The temperature control of the entire incubator basically meets the requirements and the temperature is in the appropriate range.
A semi-open thermostat with a group of semiconductor refrigeration chips as the temperature control module is designed in this paper. The hot end of the semiconductor refrigeration chip is used as the heat source to realize the temperature requirement of the family green plant in winter. In the case, the semiconductor module input voltages of 24 V and 30 V are tested at the work temperature of 0 ℃ and 10 ℃. Experimental results show that after the semiconductor components are energized, the input voltage has a significant influence on the temperature difference between the hot and cold ends. The larger the temperature difference between the cold and hot ends of the semiconductor components is, the smaller the current is, and the input current decreases as the temperature difference becomes larger; the speed decreases gradually till to be stable eventually. The temperature control of the entire incubator basically meets the requirements and the temperature is in the appropriate range.
引文
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[2]陈思璇,冷强,江华.南方家庭阳台立体绿化蔬菜种植方法及推广[J].绿色科技,2019(1):110-112.
[3]胡广宇.小议阳台农业的现状与发展[J].现代园艺,2017(18):17-18.
[4]梁鑫,张鑫宇,史颖刚.阳台农场环境控制系统设计[J].安徽农业科学,2018,46(10):176-178.
[5]武卫东,姜同玲,于子淼.六级半导体制冷器工作特性的实验研究[J].制冷技术,2015,35(1):21-24.
[6]陈光明,陈国邦,沈永年,等.制冷与低温原理[M].北京:机械工业出版社,2000.
[7]吴业正.制冷原理及设备[M].西安:西安交通大学出版社,2015.
[8]HUA Z Z,ZHANG H,LIU B L,et al.Refrigeration Technology[M].Beijing:Science Press,2012.
[9]王炯,王普超,雒福生.热电制冷的发展与应用[J].河南科技,2015,(13):47-49.
[10]张婷婷,王亚雄,段建国.热电制冷技术研究进展[J].化学工程与装备,2017(7):226-228.
[11]胡浩茫,葛天舒,代彦军,等.热电制冷技术最新进展:从材料到应用[J].制冷技术,2016,36(5):42-52.
[12]普希望,申利梅,刘威,等.热电技术在绿色建筑的应用研究[J].制冷技术,2018,38(3):42-47.
[13]吴星星,郑同蓉子.半导体制冷技术在小型恒温箱的应用[J].科技创新与应用,2015(26):36.
[14]桑策,姚雨,申利梅,等.界面接触效应对不同尺度半导体制冷器性能的影响[J].制冷技术,2018,38(1):1-6.
[15]MIRMANTO M,SYAHRUL S,WIRDAN Y.Experimental performances of a thermoelectric cooler box with thermoelectric position variations[J].Engineering Science and Technology,2019,22(1):177-184.
[16]李婷,孙海义.基于半导体制冷技术的恒温控制仿真[J].计算技术与自动化,2018,37(2):27-32.
[17]周倩,黄曾新,刘志强.新型节能冷热温饮水机[J].制冷技术,2013,33(2):69-72.
[18]陈光辉,袁保合.基于半导体制冷技术的小型冷热箱设计[J].信息记录材料,2017,18(9):103-104.
[19]ABDUL-WAHAB S A,ELKAMEL A,AL-DAMKHI AM,et al.Design and experimental investigation of portable solar thermoelectric refrigerator[J].Renewable Energy,2009,34(1):30-34.
[20]王一帜,刘晏麟,王岩,等.便携智能恒温箱的设计[J].森林工程,2017,33(3):58-63.
[21]HE R R,ZHONG H Y,CAI Y,et al.Theoretical and experimental investigations of thermoelectric refrigeration box used for medical service[C]//Procedia Engineering.Netherlands:Elevier Science BV,2017,205:1215-1222.