基于虚拟仪器的多通道DC传感器校验平台设计

摘要

为了提高DC传感器的校验效率,提出一种基于虚拟仪器的多通道DC传感器校验平台设计方案,并搭建了具体的校验平台.该校验平台由虚拟仪器控制及处理模块、多通道数据采集模块和RS 485总线通信模块三部分组成,具有多通道校验、数据处理和分析功能强大等特点.结合DC传感器的校验需求,进行了DC传感器的校验实验.实验结果表明,所设计的校验平台能准确有效地实现多路DC传感器的校验,提高了传感器校验的效率和自动化水平.%In order to improve the verification efficiency of DC sensor,a design scheme of multi-channel DC sensor calibration platform based on virtual instrument is presented,and a physical calibration platform was built.The calibration platform is composed of virtual instrument control and processing module,multi-channel data acquisition module and RS 485 bus communication module.It has characteristics of multi-channel calibration,powerful data processing and analysis.According to the calibration requirement of DC sensor,the calibration experiments of DC sensor were carried out.The experimental results show that the calibration platform can calibrate multi-channel DC sensor accurately and effectively,and improve efficiency and automation level of sensor calibration.