毕业设计论文基于单片机的电子脉搏计的设计摘 要人们在日常生活或是医学上常常是通过测量脉搏跳动的力度和频率来检测身体的健康状况，而普通的方法是用手按在人腕部的动脉上，根据脉搏的跳动进行计数，这样不仅测量时间长而且精度不高，为了节约测量时间，一般不采纳长时间测量，而是几秒钟之内测出脉搏数。本文介绍一种基于 STC89C52 单片机的电子脉搏计，通过测量腕部动脉的压力，把压力转变为电信号，送入单片机，可以在 3 秒钟之内精确测量出每分钟脉搏数，测量结果用三位 LED 数码管显示，并且脉搏波形通过串口送入 PC 机，实时显示脉搏波形。脉搏计是最常用的医疗检查设备之一，实时准确的脉搏测量在日常生活、患者监控、临床治疗及体育运动等方面都有着广泛的应用。脉搏测量包括瞬时脉搏测量和平均脉搏测量。瞬时脉搏可以反映心率的快慢，同时能反映心率是否匀齐；平均脉搏测量虽然只能反映心率的快慢，但记录方便。本文设计的电子脉搏计可以把这两个参数在测量时都记录下来并且显示，瞬时测量结果通过PC 机实时显示，平均脉搏测量结果通过 LED 七段数码管显示。关键词：STC89C52 单片机 脉搏 串口Based on SCM electronic pulse plan designAbstractPeople in daily life or medicine is often measured by the pulse frequency and strength to detect the health status of body by hand, and ordinary people by the arteries in the wrist, according to a pulse count, thus not only beat measuring time long and accuracy is not high, in order to save the measuring time, generally does not use the long time measurement, but a few seconds pulse count. Measured This paper introduces a STC89C52 MCU based on the electronic pulse plan, by measuring the pressure, the wrist artery pressure into electrical signals, into a single-chip microcomputer, can accurate measurement in three seconds per minute, a pulse with measurement results number three LED digital display, and pulse tube through a serial port into PCS, real-time display pulse waveform.Pulse meter is one of the most commonly used in the medical exam...
