| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a governor chamber abnormality detecting method and a governor chamber abnormality detecting system capable of appropriately detecting any abnormality in a governor chamber without requiring inspecting personnel to be skilled. <P>SOLUTION: A governor chamber abnormality detecting system 50 is provided with a microphone 18 for obtaining internal sounds in a governor chamber 10, and a data storage that stores, matched to a plurality of sound sources in the governor chamber 10 (a governor 11, a water sealer 14 and human vocal cords), specific frequency bands F1, F2 and F3 each intrinsic to one or another sound source and also stores standard permissible values Lv1, Lv2 and Lv3 each preset for one or another specific frequency band, wherein a governor monitoring device 20 determines whether or not the sound volume (sound pressure level) of each of the specific frequency bands F1, F2 and F3 obtained through the microphone 18 has surpassed the standard permissible value Lv1, Lv2 or Lv3. Abnormality is notified when the volume of an internal sound from at least one sound source has surpassed its standard permissible value. <P>COPYRIGHT: (C)2012,JPO&INPIT |
