Patent ID: 11892496
Assignee: CSG POWER GENERATION CO., LTD. MAINTENANCE AND TEST COMPANY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The method of claim 5, comprising: transmitting, by the acoustic acquisition and analysis system, the data to the computer, performing, by the computer, a Fourier transform on the data, and in response to determining that one of the following conditions being satisfied, determining that thermomechanical deterioration occurs on the wire rod:
at least two pulses having amplitude values 10 times greater than a background noise level occur in a frequency range of 3000 Hz±500 Hz;
at least two pulses having amplitude values 10 times greater than a background noise level occur in a frequency range of 5000 Hz±500 Hz; or
at least one pulse having an amplitude value 15 times greater than a background noise level occurs in a frequency range of 9000 Hz±1000 Hz.