A multi-variable detection method for online monitoring of moisture in oil
A multi-variable and moisture technology, applied in the field of real-time moisture content in lubricating oil, online monitoring of moisture in oil with multi-variable detection, and online monitoring system for continuous detection, which can solve the problems of inaccurate detection, inability to monitor, and strong pertinence. , to achieve the effect of ensuring reliability and accuracy, and accurate and reliable online monitoring
Inactive Publication Date: 2017-07-18
CHONGQING TECH & BUSINESS UNIV
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[0007] A multi-variable detection method for online monitoring of moisture in oil mainly consists of an oil dynamic characteristic sensor signal acquisition and preprocessing module, an oil dynamic characteristic parameter extraction module, and a fuzzy model conversion module between oil dynamic characteristic parameters and multivariable physical and chemical performance parameters , Multi-variable physical and chemical performance parameters and the fuzzy mathematical relationship conversion module of water content in oil; it is characterized in that the on-line monitoring of water in oil is realized through the real-time and online monitoring of dynamic characteristic parameters of water-containing oil during the operation of the system (such as pressure, flow, etc.), use the oil dynamic characteristic sensor signal acquisition and preprocessing module to collect and preprocess the oil dynamic characteristic sensor signal, and use it as the input signal of the oil dynamic characteristic parameter extraction module to output the oil The characteristics of the dynamic characteristic parameters of the oil; then use the
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[0018] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] like figure 1 As shown, the high-precision sensor is set on the oil pipeline of the mechanical equipment lubrication system to be monitored, and it is in real-time continuous contact with the oil, and the signal collected by the high-precision sensor is collected by the sensor signal acquisition and preprocessing module 1 Pass it to the A / D converter, convert it into a digital signal, and then enter the PXI signal acquisition preprocessing part for filtering and amplification processing.
[0020] The oil dynamic characteristic parameter extraction module 2 is obtained through a series of theoretical analysis, and the specific process is as follows:
[0021]Firstly, the oil dynamic characteristic parameter signal collected by the sensor signal of the oil dynamic characteristic and preprocessed by the preprocessing module 1 is demodula...
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A multi-variable detection method for online monitoring of water in oil mainly consists of an oil dynamic characteristic sensor signal acquisition and preprocessing module, an oil dynamic characteristic parameter extraction module, and a fuzzy model conversion module between oil dynamic characteristic parameters and multivariable physical and chemical performance parameters , Multi-variable physical and chemical performance parameters and oil moisture content fuzzy mathematical relationship conversion module; It is characterized in that after collecting and preprocessing the oil dynamic characteristic sensor signal, extracting the characteristics of the dynamic characteristic parameters of the oil; using the oil dynamic Characteristic parameters and multi-variable physical and chemical performance parameters fuzzy model conversion module transforms into multi-variable physical and chemical performance parameters of oil; and then monitors the moisture content value in oil according to the conversion module of multi-variable physical and chemical performance parameters and the fuzzy mathematical relationship conversion module of water content in oil , thus overcoming the inaccurate and highly targeted problems of traditional on-line monitoring of water in oil, and effectively realizing real-time and on-line monitoring of water content in oil.
Description
technical field [0001] The invention relates to the field of oil on-line monitoring, and belongs to an on-line monitoring method for moisture in mineral oil, in particular to an on-line monitoring method for multi-variable detection of water in oil, which analyzes the relationship between multi-variable physical and chemical performance parameters and moisture content of oil , to realize the online monitoring system of real-time and continuous detection of moisture content in lubricating oil. Background technique [0002] Lubricating oil is widely used in various industries such as automobiles, ships, mechanical processing, transportation, electric power, etc. During the production, storage, transportation and practical application of lubricating oil, water will be mixed into lubricating oil through various channels. Among them, the existence state of water mainly includes three states of free water, suspended water and dissolved water, and its content in lubricating oil dec...
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Inventor 陈彬刘阁
Owner CHONGQING TECH & BUSINESS UNIV
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