热电偶数据采集系统仿真研究  

Simulation research on thermocouple data acquisition System

作　　者：温洪昌[1] 殷强[1] 张信禹[1] Wen Hongchang;Yin Qiang;Zhang Xinyu(Yibin Vocational and Technical College,Yibin Sichuan,644003)

机构地区：[1]宜宾职业技术学院,四川宜宾644003

出　　处：《电子测试》2022年第4期13-15,共3页Electronic Test

基　　金：宜宾职业技术学院院级科研项目“白酒灌装生产线实训系统的智能化改造研究(ybzysc20-72)”。

摘　　要：文中以MAX31855为热电偶至数字输出转换器,外接K型热电偶,以AT89C51为主控芯片,实现温度数据采集,在proteus软件中仿真,通过虚拟串口方式将采集到的数据传送到由Labview构建的上位机信号处理平台,实现对数据的动态图形显示、保存,也可以对历史数据进行调用;设计了数据采集电路,编制了上位机和下位机软件,通过了仿真实验,对类似测控系统的研制具有一定的借鉴作用。In this paper,MAX31855 is used as a thermocouple to digital output converter,and K thermocouple is connected externally.AT89C51 is used as the main control chip to realize temperature data acquisition.Simulation in Proteus software,through the virtual serial port,The temperature data will be collected to the upper computer signal processing platform constructed by Labview,to dynamic display,storage,and also to call the historical data;The data acquisition circuit is designed,the relative software is programmed,and the simulation experiment is carried out,which can be used for reference in the development of similar measurement and control system.

关 键 词：热电偶 数据采集 仿真 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置]