【摘要】：心臟病是常見的循環(huán)系統(tǒng)疾病,嚴(yán)重威脅人類的身體健康與生命安全。檢測早期心臟病隱患以及實時監(jiān)測心臟病,對于預(yù)防心臟病的發(fā)生及保障心臟病人生命安全具有非常重要的作用。心電圖是現(xiàn)代醫(yī)療領(lǐng)域檢測心臟病的有效方法,本文研究便捷式智能遠(yuǎn)程心電監(jiān)護(hù)儀設(shè)計,可以記錄和回放心電數(shù)據(jù),并基于智能手機(jī)可實現(xiàn)心電信號的實時遠(yuǎn)程監(jiān)護(hù),具有一定的實用性和應(yīng)用前景。心電監(jiān)護(hù)儀硬件電路設(shè)計采用TI低功耗心電模擬前端進(jìn)行8通道心電信號采集,采用Micro SD卡并基于單片機(jī)移植FATFS文件系統(tǒng)進(jìn)行心電數(shù)據(jù)存儲,采用低功耗藍(lán)牙4.0進(jìn)行心電數(shù)據(jù)的實時傳輸。通過對中值濾波和高通濾波的算法研究,設(shè)計采用ⅡR型高通濾波算法進(jìn)行心電信號去基線漂移處理。通過研究與對比直接差分壓縮和一階差分的分段編碼壓縮,實現(xiàn)心電數(shù)據(jù)的無損壓縮,并結(jié)合低功耗藍(lán)牙4.0實現(xiàn)3導(dǎo)聯(lián)心電數(shù)據(jù)的實時傳輸。設(shè)計以便捷式、實時性與低功耗為原則,體現(xiàn)于器件選型、硬件電路設(shè)計以及控制軟件設(shè)計等。系統(tǒng)測試結(jié)果表明：設(shè)計實現(xiàn)了3導(dǎo)聯(lián)心電數(shù)據(jù)的采集、存儲和實時傳輸,采樣率達(dá)500SPS,分辨率為12位有效位,滿足不小于3.2s的時間常數(shù)要求,可存儲至少7天的心電數(shù)據(jù),并支持高速USB2.0數(shù)據(jù)導(dǎo)出,以1節(jié)AA鎳氫充電電池供電可以連續(xù)工作約80小時等。本文設(shè)計的心電監(jiān)護(hù)儀具有攜帶方便,實時性與遠(yuǎn)程心電監(jiān)護(hù)的特點,經(jīng)過進(jìn)一步的產(chǎn)品完善與優(yōu)化,有利于推進(jìn)未來智能遠(yuǎn)程心電監(jiān)護(hù)系統(tǒng)的發(fā)展。
[Abstract]:Heart disease is a common circulatory disease, which is a serious threat to human health and life safety. Detection of early heart trouble and real-time monitoring of heart disease play an important role in preventing heart disease and ensuring the life safety of heart patients. Electrocardiogram (ECG) is an effective method for detecting heart disease in modern medical field. This paper studies the design of convenient intelligent remote ECG monitor, which can record and playback ECG data, and realize real-time remote ECG monitoring based on smart phone. It has certain practicability and application prospect. The hardware circuit design of ECG monitor adopts TI low-power ECG analogue front-end to collect 8-channel ECG signal, adopts Micro SD card and transplants FATFS file system based on single chip microcomputer to store ECG data. Low power Bluetooth 4.0 is used to transmit ECG data in real time. Based on the research of median filter and high pass filter, the 鈪，

本文編號：2383923