中文摘要：

为解决旋转运动机构中导电滑环、集流器等接触式电信号传输机构的磨损、信号漂移及可靠性低等问题，提出一种利用电容耦合的非接触信号传输新方法。设计出信号传输结构，分析了其分布参数及等效电路，对信号传输环进行建模仿真，并对参数进行优化。设计出相应的数据收发电路，建立了原型系统并进行了测试。实测的数据传输速率最高可达到400 kbit／s ，实现了运动部件间的数据实时透明传输，并消除了接触和摩擦，通过扩展可进行多路信号传输。该方法可应用于国防军事、风力发电、医疗等领域取代传统的接触式导电滑环信号传输方法。

英文摘要：

In order to solve the wear , signal drift and low reliability problem of the rotational motion mechanism of the contact electrical transmission mechanism such as slip rings , a new non‐contact signal transmission method using the capacitive coupling is introduced . We propose a signal transmission structure , and analyze the distribution parameters and equivalent circuit Modeling and simulation of signal transmission is done and the data transfer circuit is designed . The prototype is built that realizes the real‐time data transparent transmission between the moving parts , and removes the contact and friction . Multi‐channel signal transmission can be performed if it is extended . The measured data transfer rate reaches 400 kbit/ s . This method can be used in aerospace , wind power , medical , military and other fields .