| 摘要 |
<p>The invention relates to a vibration sensor (1) comprising a metal casing (2), securing means (3) at one of the ends thereof, and the following elements disposed inside the metal casing (2): an accelerometer (4), an analog-to-digital converter (5) for converting the signal from the accelerometer (4), a microprocessor (6) for processing the signals measured by the accelerometer (4) and converted by the converter (5), output means (7) for the signals measured by the accelerometer (4), converted by the converter (5) and processed by the microprocessor (6), the remaining space inside the casing (1) being fully or partially filled with resin. According to the invention the microprocessor (6) is configured in relation to the signals from the converter so as to filter noise, obtain frequency spectra, analyse said spectra and generate alarms according to the results of the analyses.</p> |
