High-performance moisture sensors applying dielectric elastomer
High-performance moisture sensors applying dielectric elastomer
复制标题
采用介电弹性体的高性能湿度传感器
DOI：
10.1117/12.2581335
复制
发表时间：
2021
期刊：
影响因子：
--
通讯作者：
K. Ohyama
中科院分区：
文献类型：
--
作者：
S. Chiba;M. Waki;K. Ohyama
通过使用介电弹性体（DE）传感器并观察由于水量引起的电容变化，可以更准确地测量水的变化量。此外，由于它具有柔性，因此作为安装在身体上的传感器具有出色的耐磨性，或者作为安装在椅子上的不显眼的传感器也具有出色的舒适性。此外，由于该传感器不使用金属引线，因此不存在生锈或金属过敏的风险。原理很简单；由于DE（电容器）的电容变化而导致频率变化，因此可以通过该变化来测量湿度。电介质可以使用廉价的弹性体，伸缩性电极可以使用炭黑、CNT等。
By using a dielectric elastomer (DE) sensor and observing the change in capacitance due to the amount of water, the amount of change in water can be measured more accurately. Further, since it is flexible, it offers excellent wearability as a sensor attached to the body, or is excellent comfort as an unobtrusive sensor attached to a chair. Also, since this sensor does not use metal leads, there is no risk of rust or metal allergies. The principle is simple; the frequency changes due to the change in the capacitance of DE (capacitor), making it is possible to measure moisture by the change. An inexpensive elastomer can be used for the dielectric, and carbon black, CNT, or the like can be used for the stretchable electrode.