在自动化技术中经常遇到各种信息量的转换问题,对信息转换元件的要求也越来越高。近一、二十年来,在理论电化学不断发展的基础上,出现了一门叫做“化子学”的边缘学科。应用这门学科的理论,研制出一类新型的信息转换元件——电化式元件。它们主要用于低频和超低频范围,较之传统的转换元件有其独特的优点。本文着重介绍与气动及液压技术有关的电化式信息转换元件。 In automation technology often encounter a variety of information conversion problems, the requirements of information conversion components are also getting higher and higher. In the past one or two decades, based on the continuous development of theoretical electrochemistry, there emerges an edge discipline called “Sonochemistry.” Application of the theory of this discipline, developed a new type of information conversion element - electrochemical components. They are mainly used in the low frequency and ultra-low frequency range, compared with the traditional conversion element has its unique advantages. This article focuses on the electromechanical information transducers associated with pneumatic and hydraulic technology.