Monitoring system for representing vibration conditions of a multiplicity of blades on a rotating disk

摘要

The invented monitoring system for representing vibration conditions of a multiplicity of blades on a rotating disk in a turbomachine includes at least one sensor (4, 5) which is associated with the disk (2) and which is connected to a pulse generator (7) that delivers sensor (4, 5) pulses which respectively mark an instant at which a blade (1) passes the sensor (4, 5), a mark pick-up (8) which always delivers a mark pulse when the disk is in a certain zero position, and an analysis device (9). The latter has an allocation module (10), which takes account of the mark pulses and associates each sensor (4, 5) pulse with the blade (1) which has caused it when passing the sensor (4, 5). The allocation module (10) calculates vibration data from the associated sensor (, 5) pulses, which characterize the vibration conditions of the blade (1). A memory module (12) has access to a working memory (13) to which the vibration data are supplied and the memory module (12) stores the vibration data i