基于LabVIEW的水压传感器数据采集系统设计

Design of Pressure Sensor Data Acquisition System Based on LabVIEW

针对外部环境对水下压力值数据采集精度的影响,设计了一种水压传感器数据采集系统。在硬件设计中,使用芯片PCF8591对信号进行模数转换;同时,使用芯片STC89C52进行数据采集处理,保证了数据采样精度和数据处理的速度。计算机显示界面程序采用图形化编程软件LabVIEW编写,用户显示界面信息丰富而且美观。实验表明,该数据采集系统具有结构简单、数据采集精度高、数据读取方便、人机界面友好等特点,具有很大应用价值。

According to the external environment influence on the accuracy of data acquisition under water pressure,a pressure sensor data acquisition system was designed.In hardware design,the A/D conversion chip PCF8591 was used on signal, at the same time, chip STC89C52 was used for data acquisition and processing to ensure the accuracy of data sampling and data processing speed.Computer display interface program was written by LabVIEW graphical programming software, the user interface displays rich and beautiful information.The experimental results show that the data acquisition system has simple structure, high precision data acquisition, easy data to read ,friendly interface and other features, and has great application value.