| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fault diagnosis system of an elevator, improving accuracy in diagnosis by reducing an influence of a disturbance sound. <P>SOLUTION: This fault diagnosis system of the elevator includes: a sound and vibration detection part 1; an operation management device 2 for controlling the operation state of the elevator; an operation state recording device 3 for reading the operation state of the elevator at the time point when the sound and vibration exceeding preset reference values are captured by the sound and vibration detection part 1, from the operation management device 2, reading the sound and vibration exceeding the reference values from the sound and vibration detection part 1, and recording them; an operation command device 6 for reproducing the operation of the elevator in the operation state of the elevator recorded in the operation state recording device 3; and a signal comparing device 4 for comparing the sound and vibration, captured by the sound and vibration detection part 1 by the operation of the elevator reproduced by the operation command device 6, with the sound and vibration, exceeding the reference values and recorded in the operation state recording device 3, to determine a fault. <P>COPYRIGHT: (C)2012,JPO&INPIT |
