腕带式心率体温计设计说明

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2.2 单片机选择 ..................................................................................................... 4
2.2.1 单片机的现状 ............................................................................................. 4 2.2.2 单片机的选择 ............................................................................................. 5
【Key words】STC microcontroller; temperature detection; heart rate detection; alarm system; SON1303
目录
1 引言
1.1 选题背景.......................................................................................................... 1 1.2 研究目的.......................................................................................................... 1 1.3 主要容 .............................................................................................................. 2
2 方案Байду номын сангаас计
2.1 设计方案.......................................................................................................... 3
2.1.1 设计要求 ..................................................................................................... 3 2.1.2 系统方案 ..................................................................................................... 3
【关键词】STC 单片机;体温检测;心率检测;报警系统;SON1303
Abstract
Under the premise of rising living standards, people are increasingly concerned about their own health. Heart rate and body temperature is the most conventional clinical examination of two physiological parameters, they can by simple preliminary understanding of a person's physical condition. The design uses SCM STC89C52 as the control unit, use reflective photoelectric sensors SON1303 collect heart rate signal, and put them to enlarge reshaping SON3130 integrated operational output heart rate pulse signal, the selection of the temperature sensor DS18B20 collecting body temperature data, heart rate and body temperature will be acquired through the microcontroller to display on the screen in real time, while these two important indicators to analyze body functions, using a buzzer alarm is not within the normal range, so as to constitute a microcontroller-based heart rate strap thermometer.
腕带式心率体温计设计
摘要
在生活水平日益提升的前提下,人们对自身健康状况越来越关注。心率和体 温是临床检查最常规的两个生理指标,通过它们可以简单初步的了解一个人的身 体情况。本设计选用单片机 STC89C52 作为控制单元,选用反射式光电传感器 SON1303 采集心率信号,并用 SON3130 集成运放对其进行放大整形,输出心率脉冲 信号,选用温度传感器 DS18B20 采集人体体温数据,将获取的心率和体温通过单 片机实时显示至屏幕上,同时对这两个重要的人体机能指标进行分析,在不正常 围利用蜂鸣器报警提示,从而构成一个基于单片机的腕带式心率体温计。
2.3 心率传感器选择............................................................................................ 6 2.4 温度传感器选择............................................................................................ 7 2.5 时钟芯片选择 ................................................................................................ 8 2.6 显示器选型 ..................................................................................................... 9
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