毕业设计---基于Atmega16的家用心电监测仪的研究设计

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1、长春工业大学学士论文 I 摘 要 本课题主要 设计一个 基于 Atmega16 的 家用 心电监测 仪 的研究设计。根据人体心电信号的特征，设计心电信号采集系统，完成实时心电监测的功能。 本系统通过硬件电路实现了对心电信号实时的采集和处理， 并 将 模拟的 心电信号 转换成数字信号送入主控单元，从而 实现 了心电信息的 实时显示、存储、打印、报警等功能。 本设计 选用 具有 低功耗 的 16 位单片机 Atmega16 作为中央处理系统， 通过 心电传感器 ，从人体连续取得心电信号 ，经过专门的信号处理电路进行处理后送入中央处理系统，中央处理系统通过分析、处理 ， 检测出病人的心电信号， 并与

2、 正常的心电信号比较， 对采集的心电信号 进行 实时分析、检测及记录，并选取 大容量 Flash 存储器对 采集 处理后的心电信号 进行存储 。 同时， 监测 仪带有液晶显示器，能实时显示所 检测的心电信号。当病人出现紧急的心电症状时，其特有的报警功能可以及时的发出报警，便于及时的对病人进行救治。该系统还可以打印出 心电波形 供医务人员分析病情时参考 ， 及时准确的采取治疗措施，制定治疗方案 。 该监测 仪能长期、连续、可靠、稳定的工作 ， 同时还具有体积小、存储容量大、功耗低 、实时显示 等特点，便于随身携带，使用方便 ，操作简单 。 关键词 心电 监测 心电 监测 仪 心电传感器 信号处理

3、电路 长春工业大学学士论文 II Title: The design of household ECG monitor Abstract The topics mainly based Atmega16 household ECG monitor research and design. According to the characteristics of the human ECG, design ECG acquisition system,in real-time ECG monitoring function. This system has realized through the

4、 hardware circuit to heart signal real-time gathering and processing, and will simulate the heart signal transforms the digital signal to send in the master control unit, thus has realized the function of heart informations real time display, memory, printing, alarming, etc. This design uses a low-p

5、ower 16-bit microcontroller Atmega16 as the central processing system, through ECG sensor, from the human body to obtain a continuous ECG signal, by a dedicated signal processing circuit after being fed into the central processing system, the central system analysis, processing to detect the patient

6、s ECG signal, by comparison with a normal ECG, to achieve real-time detection, analysis, selected records, select a high-capacity Flash memory to store the acquisition of the ECG. At the same time, the monitors with a LCD monitor, be able to real-time display ECG signal. When a patient have a emerge

7、ncy ECG symptoms, its unique alarm function can trigger a timely warning and treatment of patients timely. The system can also print out ECG waveform to provide reference for medical personnel, and timely and accurate implementation of therapeutic measures to establish treatment programs. Not only t

8、hat ,the key of system design make operation simple and faster. The monitor can long-term, continuous, reliable, stable job, and has a small size, large storage capacity, low power consumption, real-time display and other features, easy to carry, easy to use, easy to operate. Keywords ECG monitoring ECG monitor ECG sensor Signal processing circuit