自动恒温控制在可见光CCD成像系统中的应用研究  

Applications of Auto Constant Temperature Control System for Visible CCD Imaging

作　　者：尹业宏[1] 高黎明[1] 

机构地区：[1]华中光电技术研究所-武汉光电国家实验室,湖北武汉430073

出　　处：《光学与光电技术》2012年第4期85-89,共5页Optics & Optoelectronic Technology

摘　　要：随着高性能CCD传感器的发展,其在空间成像探测系统得到广泛应用。为解决传感器的成像质量和恒温控制问题,采用基于帕尔贴效应的热电制冷(Thermo-Electric Cooling,TEC)技术,以FPGA为控制芯片,运用PID控制算法,实现了小型温度控制系统。实验结果表明,该系统能快速准确地实现恒温控制,可扩展性强,具有一定的应用价值。With the development of high performance cooling CCD imaging system in aerospace imaging detection, in order to improve sensor＇s imaging performance and keep sensor＇s temperature constant, a precision temperature control system is designed by using FPGA as digital control processor and a method of PID control and Thermo-Electric Cooling（TEC） technolo- gy, based on Peltier effect. The experiment results show that the system can work fast and accurately and can be well expanded. It has the good practicability.

关 键 词：电荷耦合器 PID控制 热电制冷 帕尔贴效应 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]