Thermocouple Converter Microprocessor Temperature M & C System

利用 热电偶 转换器的单片机温度测控系统

The circuits of temperature controllers which are based on thermocouple and other analog devices are often complicated and can 't be adjusted easily because there are so many parts such as cold-junction compensation A / D converter and D / A converter .

以 热电偶等模拟测量控制元件为基础的温度控制器，由于冷端温度补偿、A/D 转换、D/A转换等环节的存在，使得测量控制电路较为复杂，调试也很麻烦。

The paper introduces a thermocouple temperature transmitter which uses linear amplifier analog multiplier adder and voltage / current converter to achieve linear treatment . The linear treatment method and the relative circuit design theory are given .

介绍了一种利用线性放大器、模拟乘法器、加法器及电压/电流 转换器实现线性化处理的 热电偶温度变送器，给出了线性处理方法及相关的电路设计原理。

MAX6675 Cold-junction compensation thermocouple digital converter can be cold junction compensation and K-type thermocouple signals into digital signals .

MAX6675冷端温度补偿、 热电偶数字 转换器可进行冷端温度补偿，并将K型热电偶信号转换成数字信号。