智能温度校验系统的设计

Design for Intelligent Temperature Calibration System

设计了一种既能够测量输入电压、电阻、电流信号,又能够根据现场二次仪表的不同,模拟多种不同分度号的热电阻、热电偶输出的智能温度校验系统。采用简单的硬件电路与先进的软件算法相结合,实现冷端补偿和系统的内部自动校准,提高了系统的准确性和可靠性。

This paper designs an intelligent temperature calibration system. It can measure the input voltage, resistance, current signal, but also be able to simulate many different sub-degree numbers of the thermal resistance, thermocouple output according to different secondary instrument. Use the simple hardware circuit combined with advanced software algorithms to achieve cold-junction compensation and the system＇s internal auto-calibration, and improve the accuracy and reliability of the system.