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On-line monitoring system for diesel engine lubricating oil

A monitoring system and lubricating oil technology, applied in the direction of material inspection products, etc., can solve problems such as the inability to complete the multi-information collection and data of lubricating oil, the failure to realize the cause and type of failure, and the low accuracy of diesel engine failure oil to achieve continuous Monitoring and fault early warning, avoiding major faults, eliminating the effect of offline sampling detection and analysis time lag

Active Publication Date: 2014-10-08
GUANGZHOU MECHANICAL ENG RES INST
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] At present, the on-line monitoring of lubricating oil technically includes monitoring methods and monitoring devices. At home and abroad, most of them use sensors to monitor single performance indicators of lubricating oil, such as viscosity, moisture, or particulate matter carried in the oil. Information collection and data fusion comparative analysis cannot realize fault cause and type discrimination, etc., and the accuracy rate of online monitoring of diesel engine fault oil is not high

Method used

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  • On-line monitoring system for diesel engine lubricating oil
  • On-line monitoring system for diesel engine lubricating oil
  • On-line monitoring system for diesel engine lubricating oil

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Embodiment

[0035] Such as figure 1 As shown, an online monitoring system for lubricating oil of a diesel engine in this embodiment includes an upper computer system and a lower computer system. With the modulation module and the oil information collection module, the oil information monitoring sensor module is respectively connected with the oil automatic circulation acquisition module and the signal decoding and modulation module, and the signal decoding and modulation module is connected with the oil information collection module ;

[0036] The oil information monitoring sensor module is used to collect the physical and chemical characteristic parameters of the lubricating oil and the wear characteristic information of each friction pair carried by it according to the characteristics and working conditions of the diesel engine oil;

[0037] The oil automatic circulation acquisition module is used to collect lubricating oil in the oil return pipeline of diesel engines in real time, and...

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Abstract

The invention discloses an on-line monitoring system for diesel lubrication oil, which comprises a host computer system and a slave computer system, wherein the slave computer system comprises an oil information monitoring sensor module, an automatic circularly oil-collecting module, a signal decoding and modulating module and an oil information gathering module; the oil information monitoring sensor module is respectively connected with the signal decoding and modulating module and the oil information gathering module; and the signal decoding and modulating module is connected with the oil information gathering module. The on-line monitoring system for diesel lubrication oil can realize the real-time and continuous monitoring and the fault warning for the diesel lubrication oil; monitoring and analyzing results of the on-line monitoring system are synchronous with the running state of a diesel engine; and the defects of artificial uncertainty influencing factors of off-line monitoring and delay of detecting and analyzing time of off-line sampling are overcome. Meanwhile, the defect of evaluating oil quality by using a single sensor is overcome by the on-line monitoring system, the complement characteristic of reflecting fault features by multi-information is achieved, and the accuracy of on-line monitoring and diagnosis is increased.

Description

technical field [0001] The invention relates to the technical field of state monitoring and fault diagnosis of a diesel engine friction lubrication system, in particular to an on-line monitoring and fault diagnosis system for lubricating oil of a diesel engine. Background technique [0002] The oil monitoring method implemented for diesel engine wear fault monitoring is still mainly based on off-line collection of lubricating oil sample analysis. The analysis methods include analysis of physical and chemical properties of oil, wear particle analysis based on spectral technology and ferrography technology, etc. [0003] Diesel engine is an important power equipment in industrial production, and it is also one of the equipment with the highest failure rate. According to the latest report data of Shell Company, about 35% of diesel engine failures and 38.5% of gear failures are caused by wear, and almost 40% of rolling bearing failures are caused by improper lubrication. During...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/30
Inventor 贺石中冯伟陶辉陈闽杰
Owner GUANGZHOU MECHANICAL ENG RES INST
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