Abstract: The characteristics of the piezoelectric accelerometer and its application in vibration measurement are introduced. The principle of vibration measurement,structure type and technical specifications of piezoelectric accelerometer are analyzed and the principle of sensor option,effective measures and notices which influence precision in the process of measurement are put forward.Finally,piezoelectric accelerometer is chosen according to the actual project and validated through application to the measurement of the accelerometer of road roller.

Key words: piezoelectric aceelerometer, vibration, measurement, application, option principle

摘要： 介绍了压电式加速度计的特点及其在振动测量中的应用;分析了压电式加速度计的测振原理、结构型式、技术指标;提出具体工程测振中,传感器选用原则和使用过程中应采取的有效措施及注意事项;最后,结合实际工程进行了压电式加速度计的选择,并应用于压路机振动轮加速度的测振系统中,进行了实证。

关键词: 压电式加速度传感器, 振动, 测量, 应用, 选用原则