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Standing wave amplification device for vibration signal collection and ladle slag vibration signal detection method
Standing wave amplification device for vibration signal collection and ladle slag vibration signal detection method
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机译:用于振动信号采集的驻波放大装置和钢包渣振动信号检测方法
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摘要
A standing wave amplification device for vibration signal collection includes a sensing rod (11) acting as standing wave transmission medium. A standing wave formation device includes two fixing support devices (12) distributed along the axial direction and connecting the sensing rod (11) to an operating arm (14). The two fixing support devices (12) respectively collect vibration waves and transmit them to the sensing rod (11) from two different locations of the operating arm (14). The vibration waves are superimposed to form a standing wave on the sensing rod (11). A vibration sensor (13) is connected to the sensing rod (11) and the vibration sensor (13) is between the two fixing support devices (12). A wave detected by the vibration sensor (13) is the standing wave. Compared with transverse wave or longitudinal wave transmitted in the transmission medium of prior art, the standing wave has advantages of larger amplitude and more obvious vibration effect. A ladle slag vibration signal detection method based on the device also has said advantages. The sensing rod (11) can make physical resonance, by which the standing wave signal is amplified and real warning rate of ladle slag is improved effectively.
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