Automatic diagnosis system and method for rotating mechanical equipment

A rotating machinery equipment, automatic diagnosis technology, applied in the testing of mechanical parts, the testing of machine/structural parts, instruments, etc., can solve the problems of measurement object and result accuracy limitation, increase equipment cost, etc., to improve the inspection frequency , easy to operate, good stability

Active Publication Date: 2020-09-29
SUZHOU UNIV
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Problems solved by technology

Measuring the rotational speed of the equipment with the key phase hardware device will greatly increase the equipment cost, and the measurement object and result accuracy will be limited

Method used

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  • Automatic diagnosis system and method for rotating mechanical equipment
  • Automatic diagnosis system and method for rotating mechanical equipment
  • Automatic diagnosis system and method for rotating mechanical equipment

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Embodiment Construction

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0026] see figure 1 , an automatic diagnosis system for rotating machinery equipment, comprising a sensor module, a signal acquisition module and a signal processing module, wherein the sensor module, the signal acquisition module and the signal processing module are connected in sequence;

[0027] a sensor module for obtaining vibration or acoustic signals, the input end of the sensor module is connected to the rotating mechanical equipment, and the output end is connected to the signal acquisition module, the sensor module includes at least one vibration acceleration sensor or at least one acoustic sensor;

[0028] The vibration sensor is fixed on the monitoring point of the rotating...

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Abstract

The invention belongs to the mechanical equipment diagnosis technical field and relates to a rotating mechanical equipment automatic diagnosis system and method. The method has the advantages of low cost, high stability, convenient installation and use, convenient maintenance, high precision and the like. With the rotating mechanical equipment automatic diagnosis system and method adopted, the automatic diagnosis of the health state of rotating mechanical equipment under different rotational speed conditions can be realized, specific failure modes can be diagnosed, so that trouble-shooting iscarried out in a targeted manner; and equipment state characteristics in a time-frequency joint domain which are included in equipment dynamic signals can be displayed with higher precision, so that adiagnosis technology is easy to operate. The rotating mechanical equipment automatic diagnosis system and method can remotely monitor the operation of the rotating mechanical equipment and significantly reduce inspection costs and improve inspection frequency.

Description

technical field [0001] The invention relates to the technical field of mechanical equipment diagnosis, in particular to an automatic diagnosis system and method for rotating mechanical equipment. Background technique [0002] The core components of high-end precision rotating machinery equipment (such as wind turbine transmission systems, axle box devices of high-speed EMUs) are prone to failure under severe fluctuations in speed and load, and the harm of failure to equipment is compared with constant speed or slow change The situation is more serious. The existing conventional non-stationary mechanical equipment health monitoring mainly relies on the key phase order analysis technology. The key phase order analysis technology first uses the key phase hardware device to measure the speed of the equipment, and then uses the speed information to order the collected vibration or acoustic signals. Secondary analysis to identify fault characteristics. Using the key phase hardwa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/028G01M13/045
CPCG01M13/021G01M13/028G01M13/045
Inventor 江星星郭绍雄王前毛一鸣倪阳阳石娟娟朱忠奎
Owner SUZHOU UNIV
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