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振动传感器或振动速度传感器既可以直接安装在设备上,也可以通过无线方式用于监控系统。当它投入使用时,传感器将开始工作并根据所使用的振动速度传感器的类型测量振动的位移、速度或加速度。
振动速度传感器基于机械、电磁或光学原理来检测设备振动。根据应用要求,这些振动速度传感器的灵敏度可能会有所不同,通常的范围是从10 mV/g到100 mV/g。
振动速度传感器由压电材料晶体组成,其上附有一个地震质量。当晶体受到应力时,会产生一个电信号,作为输出数据进行测量。它们结构坚固,可提供高可靠性和长期稳定性。下面的图提供了典型振动速度传感器的主要组件。
如果振动速度传感器放置时间较长,它将提供以下信息:
·振动发生的频率和频率
·振动的强度。
然后可以将这些数据与设备制造商指定的标准可接受数据或各种规范和标准进行比较,以确定是否需要注意振动。