摘要
针对小型的、有特殊控温需求的元器件,提出了一种新型的基于Flotherm热仿真设计的TEC温控系统,系统可提供一个线性变化且高精度可控的温度环境,提高了待测系统整体的温度稳定性。将半导体制冷技术、传感器技术和智能控制技术相结合,利用Flotherm热仿真软件分析得出温控箱内空间热力场分布,以此选用了相适应的圆柱体温控箱;基于PID控制算法和Labview设计上位机软件实现了自动控温技术并搭建样机,样机性能测试结果表明,在-20℃~+85℃温度区间内实现良好的自动线性控温,恒温控制精度在±0.1℃以内。
Aiming at small components with special temperature control requirements,this paper proposes a new type of TEC temperature control system based on Flotherm thermal simulation design.The system can provide a linearly changing and high-precision controllable temperature environment to improve the Measure the overall temperature stability of the system.This paper combines semiconductor refrigeration technology,sensor technology and intelligent control technology,uses Flotherm thermal simulation software to analyze the spatial thermal field distribution in the temperature control box,and selects a suitable cylindrical temperature control box;based on PID control algorithm and Labview The design of the host computer software realizes the automatic temperature control technology.The performance test results of the prototype show that good linear temperature control is achieved in the temperature range of-20℃~+85℃,and the precision of constant temperature control is within±0.1℃.
作者
肖金根
肖浩
刘飞飞
李建光
Xiao Jingen;Xiao Hao;Liu Feifei;Li Jianguang(School of Electrical Engineering and Automation,Jiangxi University of Science and Technology,Ganzhou 341000,China;Research and Development Department Beijing SWT Intelligent Optics Technology Co.,Ltd.,Beijing 100084,China)
出处
《国外电子测量技术》
北大核心
2022年第1期93-98,共6页
Foreign Electronic Measurement Technology
基金
国家重点研发计划(2019YFC1509500)项目资助。
关键词
半导体制冷
自动温控
热仿真
数据采集
数字样机
高精度
semiconductor refrigeration
automatic temperature control
thermal simulation
data acquisition
digital prototype
high-precision
