In this paper, a wearable medical sensor system is designed for long-term healthcare applications. This system is used for monitoring temperature, heartbeat, blood oxygen saturation (SpO₂), and the acceleration of a human body in real-time. This system consists of a temperature sensor, a pulse oximeter sensor, an accelerometer sensor, a microcontroller unit, and a Bluetooth low energy module. Batteries are needed for supplying energy to this sensor system, but batteries have a limited lifetime. Therefore, a photovoltaic–thermoelectric hybrid energy harvester is developed to power a wearable medical sensor system. This harvester provides sufficient energy and increases the lifetime of the sensor system. The proposed hybrid energy harvester is composed of a flexible photovoltaic panel, a thermoelectric generator module, a DC–DC boost converter, and two super-capacitors. Experimentally, in active-sleep mode, the sensor system consumes an average power of 2.13 mW over 1 h and works without the energy harvester for 46 h. Finally, the experimental results illustrate the sustainable and long-term monitoring operation for the medical sensor system.

在本文中，可穿戴医疗传感器系统被设计用于长期医疗保健应用。该系统用于监测温度，心跳，血氧饱和度（SpO ₂），以及人体的实时加速度。该系统由温度传感器，脉搏血氧仪传感器，加速度计传感器，微控制器单元和蓝牙低功耗模块组成。需要电池来为该传感器系统供电，但是电池的使用寿命有限。因此，开发了光伏-热电混合能量收集器，为可穿戴式医疗传感器系统提供动力。该收割机提供足够的能量，并延长了传感器系统的使用寿命。拟议中的混合式能量收集器由一块柔性光伏板，一个热电发电机模块，一个DC-DC升压转换器和两个超级电容器组成。实验上，在主动睡眠模式下，传感器系统在1小时内平均消耗2.13 mW的功率，并且在没有能量收集器的情况下可以工作46 h。最后，