半导体制冷片温控系统应用研究  

Application of Semiconductor Refrigeration Sheet Temperature Control System

作　　者：刘奥成 郑欣鹏 王巧 石文星[1] 秦工[1] LIU Aocheng;ZHENG Xinpeng;WANG Qiao;SHI Wenxing;QIN Gong(School of Artificial Intelligence,Jianghan University,Wuhan 430056,China)

机构地区：[1]江汉大学人工智能学院,湖北武汉430056

出　　处：《现代信息科技》2023年第19期55-58,共4页Modern Information Technology

基　　金：湖北省大学生创新创业计划项目(S202211072062)。

摘　　要：随着半导体材料的技术发展,半导体制冷技术越来越成熟,并且广泛地运用于便携制冷设备。研究将半导体制冷片温控系统应用于冰的导热系数测量装置之中,具有所占空间体积小、控温效果好、环境适应强、噪声小、稳定性高等特点。该装置是通过负温度特性NTC电阻来读取冰的表面温度,使用单片机获取温度数值,增量式PID控制电压幅值,达到控制半导体制冷片表面温度的效果。借助单片机来读取热流计的热流密度,并计算出冰的导热系数。整个装置结构简单,对环境要求不高,控温速度迅速,控温效果良好,有着良好的稳定性。With the development of semiconductor materials technology,semiconductor refrigeration technology is becoming more and more mature and widely used in portable refrigeration equipment.In this paper,the semiconductor refrigeration sheet temperature control system is applied to the ice thermal conductivity measurement device,which has the characteristics of small space volume,good temperature control effect,strong environmental adaptability,low noise and high stability.The device reads the surface temperature of ice through the negative temperature characteristic NTC resistor,uses the Single-Chip Microcomputer to obtain the temperature value,and incremental PID controls the voltage amplitude to achieve the effect of controlling the surface temperature of the semiconductor refrigeration sheet.The heat flux density of the heat flow meter is read by the Single-Chip Microcomputer,and the thermal conductivity of the ice is calculated.The whole device has simple structure,low environmental requirements,fast temperature control speed,good temperature control effect and good stability.

关 键 词：半导体制冷片 冰的导热系数 热流计法 单片机 PID控制算法 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TB657[自动化与计算机技术—控制科学与工程]