Fan signal acquiring device
A signal collector and signal collection technology, which is applied in signal transmission systems, instruments, closed-circuit television systems, etc., can solve problems such as low efficiency, late development of status monitoring and fault diagnosis systems, and achieve the effect of increasing audio collection
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[0037] figure 1 It is a schematic diagram of the composition structure of the present invention. A fan signal collector of the present invention is divided into three parts: a sensor signal conditioning module, a signal collection and processing module, and a data communication transmission module. The sensor signal preprocessing is performed in the sensor signal conditioning module, the sensor signal acquisition and audio and video signal acquisition are performed in the signal acquisition and processing module, and the digital signal in the fan signal collector is connected to the monitoring center through the data communication transmission module. data communication.
[0038] Further, the sensor signal conditioning module: mainly includes a vibration signal conditioning circuit, a temperature signal conditioning circuit, and a rotational speed signal conditioning circuit.
[0039] In the vibration signal conditioning circuit, the piezoelectric acceleration sensor with a ...
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