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现在,许多家用电器都用传感器进行自动检测或自动控制。传感元件是传感器的重要组成部分,可以说大多数传感元件是通过材料的某一物理现象或某种效应来感知被测物理量并把它转换成电量的。由电子陶瓷(压电、铁电、半导体陶瓷)制成的传感元件称作陶瓷传感元件。现在,这类传感元件在家用电器中用得很多。本文先扼要介绍其概况,然后分别叙述它们的应用。
Many home appliances are now auto-detected or automatically controlled by sensors. Sensing element is an important part of the sensor. It can be said that most sensing elements sense the measured physical quantity through a certain physical phenomenon or effect of the material and convert it into electric quantity. Sensing elements made of electronic ceramics (piezoelectric, ferroelectric, semiconducting ceramics) are called ceramic sensing elements. Now, these kinds of sensor components used in many household appliances. This article briefly outlines its profile, and then describes their application.