基于STM32便携式心电监护装置的设计

Design of Portable ECG Monitoring Device Based on STM32

综合运用传感器技术、嵌入式技术和无线通信技术,设计了一种以STM32F103C8T6微处理器为核心的家用便携式心电监护装置。利用Pulse Sensor脉搏心率传感器采集心电信号,经STM32内置的模数转换器(ADC)处理得到数字信号。LCD屏用于实时显示心率值和心电图(ECG),心率数据通过蓝牙通信模块实时传输到手机终端。使用三位按键设置心率阈值,异常情况时报警电路发出警报。实验结果表明,该装置可较好地监测人体心电信号,运行稳定,具有一定的现实意义和实用价值。

A domestic portable ECG monitoring device based on with STM32 microprocessor(MCU) is designed by comprehensively utilizing sensor technology,embedded technology and wireless communication technology in this paper.The ECG signals are collected by using pulse heart rate sensor.And the analog ECG signals are input to the built-in analog-to-digital converter(ADC) of STM32 to get digital signals.The liquid crystal display(LCD) screen is applied to display heart rate and electrocardiogram(ECG) in real time.The heart rate datas are constantly transmitted to the mobile phone terminal through the Bluetooth communication module.A heart rate threshold is set by applying three-digit keys,and the alarm circuit will sound an alarm in exception situation.The results of the experiment show that the designed device can preferably monitor the ECG signals of human body and operate stably,which has the certain realistic significance and practical value.