本文针对传统无线传感器的缺点进行分析,提出了一种将环境中振动转换成电能为无线传感器节点供电的理念。对振动-电磁能量收集装置的原理进行了简单阐述;介绍了自供能无线传感器节点的总体设计,对各硬件电路进行了简单设计描述,对改善传感器功能方式及提高使用寿命有重要意义。 In this paper, the shortcomings of the traditional wireless sensor are analyzed, and a concept of converting the vibration in the environment into electrical energy for powering the wireless sensor node is proposed. The principle of the vibration-electromagnetic energy harvesting device is briefly described. The overall design of self-powered wireless sensor nodes is introduced, and the simple design and description of each hardware circuit is described. It is of great significance to improve the sensor function and improve the service life.