北京理工大学珠海学院 2020 届毕业论文激光器电源的高精度温度控制器软件设计激光器电源的高精度温度控制器软件设计摘 要目前，温度控制器以其效率高、成本低、测温范围高、精度高，能够检测智能设备实时温度并且调节温度至恒定值，在技术发展非常迅速，已经在工业、医学和通信等方面得到广泛应用。本次任务要求设计一款基于激光器电源的温度控制器，对电源的温度进行检测、监控、调节，最终实现温度检测精度达到 0.1℃，并且保持设定温度值。温度控制器采用高性能的 STM32 单片机为控制核心，外部模块包括半导体制冷片驱动电路、模数转换电路、温度检测电路等，可以定性、定量去分析温度变化过程，并通过 PID 算法控制温度变化，更加精准且稳定。人机界面交互通过串口通信实时输出到液晶屏显示，实时检测温度值的变化，使得温度控制器数据更加直观。此次论文包括了系统的总体设计，软件控制原理，对 TEC 温度模块测试数据，对PWM 输出测试数据，对 PID 三个参数的调节以及电路原理图，程序附录。关键词：温度控制器；PID 算法；STM32；A/D 转换；半导体制冷北京理工大学珠海学院 2020 届毕业论文 High precision temperature controller software design for laser power supplyAbstractAt present, the temperature controller with its high efficiency, low cost, high temperature measurement range, high accuracy, can detect the real-time temperature of intelligent equipment and adjust the temperature to a constant value. It has been widely used in industry, medicine and communication. This task requires the design of a temperature controller based on the laser power supply to detect, monitor and adjust the temperature of the power supply, and ultimately achieve the temperature detection accuracy of 0.1℃, and maintain the set temperature value.The temperature controller uses the high-performance STM32 single-chip microcomputer as the control core, and the external modules include the driving circuit of the semiconductor refrigeration chip, the analog-to-digital conversion circuit, the temperature detection circuit, ...
