基于STM32输液器验气系统设计

针对当前人工检测输液器效率低下、质量检测水平不高等情况,设计开发了一种基于STM32单片机的输液器验气系统。该系统主要包括硬件及软件系统两个部分,其中以STM32F103单片机为硬件系统核心,针对气体压力传感器采集电路以及对多路电磁阀控制电路进行设计;系统软件设计采用C++实时操作系统,确保检测系统的实时性和有效性;检测数据通过USB串口通讯传送到上位机并显示。实验证明:输液器验气系统可对输液器进行验气检测,该系统具有稳定性、精度较高等特点,实验测量相对误差在±5%范围之内,检测效率高于人工检测。

Design of Gas Detection System Based on STM32 Infusion Set

Aiming at the low efficiency and low quality detection level of the manual infusion set,a gas detection system for infusion set based on STM32 single-chip microcomputer was designed.The detection system includes hardware system design and software system design.The hardware system is based on the STM32F103 single-chip microcomputer.It mainly designs the gas pressure sensor acquisition circuit and the multi-way solenoid valve control circuit.The software system uses a C++real-time operating system to ensure system monitoring's real-time performance and validity.Test data is transmitted to the upper computer and displayed via USB serial communication.The experiment proves that the infusion set gas detection system can perform gas detection on the infusion set.The system has the characteristics of stability and high accuracy.The relative error of the experimental measurement is within±5%,and the detection efficiency is better than manual detection.