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Insole Pedometer With Piezoelectric Energy Harvester and 2 V Organic Circuits Ko
开发了一种基于压电能量收集和2V有机电路的鞋垫计步器,用于柔性大面积能量收集应用。
14位步进计数器,最大计数16383步
压电能量收集有机电路伪CMOS步进计数器鞋垫计步器
▸创新点1:压电能量收集器的创新设计,采用柔性大面积能量收集技术,首次应用于鞋垫计步器,实现了从人体运动中高效收集能量,解决了传统电池供电的局限性。
▸创新点2:2V有机电路的低电压操作,通过伪CMOS逻辑电路设计,显著降低了功耗,同时利用有机电荷泵电路生成负电压,提高了噪声容限,适用于柔性电子设备。
▸创新点3:伪CMOS 14位步进计数器,能够记录高达16383步的步伐,采用伪CMOS施密特触发器逆变器提供干净的方波脉冲,确保了计数的准确性和可靠性。
▸创新点4:系统级集成创新,将压电能量收集器、有机电路和步进计数器集成于鞋垫中,实现了自供电的可穿戴健康监测设备,展示了柔性电子在健康监测领域的应用潜力。
Abstract
A shoe insole pedometer, which consists of a piezo-
electric energy harvester and a 2 V organic pedometer circuit, has
been developed as a first step toward the application of flexible
large-area energy harvesting. A pseudo-CMOS 14 bit step counter
records the number of steps up t o 16383 steps using the harvested
power. To increase the noise margin of the pseudo-CMOS logic cir-
cuits, a negative voltage is generated by an organic charge pump
circuit and is applied to the pseudo-CMOS inverters and