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      穿戴式无线胸贴监护终端的设计与实现

      Implementation of Wearable Wireless Chest Patch Monitoring Terminal

        摘要
      • 摘要:
        目的 设计一种穿戴式无线胸贴监护终端，实现心电、呼吸、体温信号的采集、处理和无线传输。
        方法 采用集成呼吸阻抗和ECG前端的模拟前端ADS1292R来采集人体心电和呼吸信号，使用低功耗、高精度数字温度传感器MAX30208来采集体温。并通过带有Arm Cortex-M4F内核的低功耗nRF52840蓝牙SoC，设计滤波算法进行信号处理和无线传输。
        结果 实验结果表明，所设计的监护终端能实时监测人体的心电、呼吸和体温参数，并通过蓝牙将监测结果发送出来，连续工作时间超过13 h。
        结论 穿戴式无线胸贴监护终端便携性好、待机时间长，测量精度高，在家庭健康监护、移动医疗、智慧医疗领域具有较好的应用前景。

         

        Abstract:
        Objective A wearable wireless chest patch monitoring terminal is designed to realize the acquisition, processing, and wireless transmission of ECG, respiration, and body temperature signals.
        Methods The analog front-end ADS1292R, which integrates respiratory impedance and ECG front-end, is utilized to collect human ECG and respiratory signals. The body temperature is collected using a low-power, high-precision digital temperature sensor MAX30208. A filter algorithm for signal processing and wireless transmission is designed through a low-power nRF52840 Bluetooth SoC with an Arm Cortex-M4F kernel.
        Results The experimental results show that the designed monitoring terminal can monitor the ECG, respiration, and body temperature parameters of the human body in real-time and send the monitoring results via Bluetooth, with a continuous working time of more than 13 hours.
        Conclusion The wearable wireless chest patch monitoring terminal features good portability, long standby time, and high measurement accuracy, and it has promising application prospects in the fields of family health monitoring, mobile medical treatment, and smart healthcare.

         

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