基于LabVIEW的温度监测系统及软件设计

为提高温度测量的智能化水平并降低仪器成本,设计了一种虚拟温度监测系统.该系统用热电偶采集工作端温度,用AD590采集冷端温度,用神经网络算法实现了热电偶的冷端补偿和非线性校正.开发了基于LabVIEW的温度监测系统软件,该软件具有数据的采集、处理、分析、显示、保存以及温度的报警功能.仿真实验表明,该监测系统测温准确、稳定可靠,可满足实际需要,有较高的应用价值.

Temperature monitoring system and design of software based on LabVIEW

To raise the intelligent level of temperature testing and reduce the cost of instruments, the temperature monitoring system was designed. Thermocouple was used to pick up the temperature information of hot-junction and ADS90 measure the temperature of cold-junction. The thermocouple was compensated and corrected using BP neural network. The monitoring software was developed based on LabVIEW. The software system has functions of data acquisition, processing, analysis, display, store and alarm. Simulation experiments show the system is accuracy, stable and reliable and can meet the actual needs, having high application value.