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Reciprocating compressor fault diagnosis monitoring signal whole cycle interception method and device

A technology for fault diagnosis and signal monitoring, which is applied in the direction of measuring devices, testing of machines/structural components, instruments, etc., can solve the problems of many interference factors and easy failure of vibration signals, and achieve the goals of avoiding errors, reducing the difficulty of implementation, and improving accuracy Effect

Active Publication Date: 2022-04-15
BEIJING BOHUA XINZHI SCI & TECH
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Problems solved by technology

However, the vibration signal is subject to many interference factors in different working environments, especially when there are other loud noise machines around the unit, this method is prone to failure

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  • Reciprocating compressor fault diagnosis monitoring signal whole cycle interception method and device
  • Reciprocating compressor fault diagnosis monitoring signal whole cycle interception method and device
  • Reciprocating compressor fault diagnosis monitoring signal whole cycle interception method and device

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[0060] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0061] figure 1 It is a flow chart of a method for intercepting the entire period of a fault diagnosis monitoring signal of a reciprocating compressor according to an exemplary embodiment, as shown in figure 1 shown, including the following steps:

[0062] In step S101, the operating parameters of the reciprocating compressor are obtained, and the ideal number of sampling points N for the enti...

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Abstract

The present disclosure relates to a method and device for intercepting the entire period of the fault diagnosis monitoring signal of a reciprocating compressor. Through the dynamic pressure signal S p and related algorithms to intercept the entire cycle waveform in actual operation and the waveforms of each working section, and to intercept the waveforms of each working section on the basis of ensuring the accuracy of obtaining the entire cycle waveform interception, this application uses fewer sensors , can reduce the cost, avoid the disturbance caused by noise and other interference factors, and reduce the implementation difficulty of intercepting the waveform of each working section.

Description

technical field [0001] The present disclosure relates to the field of equipment state monitoring, and in particular to a method and device for intercepting a whole period of a fault diagnosis monitoring signal of a reciprocating compressor. Background technique [0002] The reciprocating compressor is the heart of many key mechanical systems. Once a serious failure occurs, the entire equipment system will fail or be severely damaged. The premise of the most popular fault diagnosis method is to use the key phase method to obtain the signal of the entire cycle, and then realize the signal Analysis and troubleshooting. However, under certain special safety requirements, the key phase sensor cannot be installed, resulting in the inability to effectively obtain the entire cycle signal. To solve this problem, currently only Lei Fuchang et al. have achieved full-period interception by using vibration signals. However, vibration signals are subject to many interference factors in ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/17G01M99/00G06F119/14
CPCG06F30/17G01M99/005G06F2119/14
Inventor 刘锦南高晖
Owner BEIJING BOHUA XINZHI SCI & TECH
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