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Ferrograph for ships and measurement and analysis method

A measuring method and ferrograph technology, which are applied in the field of measuring instruments to achieve the effects of simple structure and improved repeatability

Inactive Publication Date: 2015-08-26
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of monitoring the wear condition of the diesel engine, identifying the wear mode and predicting the trend of the ship during the voyage, especially suitable for the actual needs of the ship, which is a special floating object on water, and provides a portable ferrogram Analyzer

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  • Ferrograph for ships and measurement and analysis method

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Embodiment Construction

[0015] The marine ferrography instrument and its measurement and analysis method of the present invention will be described in detail below in conjunction with specific embodiments.

[0016] 1. The structure and specific working process of the marine ferrgraph

[0017] The composition of the marine ferrography instrument includes: spectrometry device 1, high-pixel camera 2, USB3, virtual instrument device 4, and notebook computer 5. The lubricating oil in the oil sample pool 6 in the spectrum making device 1 leaves abrasive grains on the glass substrate 8 through the micro pump 7, and the lubricating oil enters the waste oil pool 9. The high-pixel camera 2 takes high-definition images of the abrasive grains, and transmits the high-definition images to the notebook computer 5 through the virtual instrument device 4 . The image preprocessing software in the notebook computer 5 preprocesses the image to obtain five parameters including the area of ​​abrasive grains in the image,...

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Abstract

The invention discloses a ferrograph for ships and a measurement and analysis method. The ferrograph comprises a ferrogram maker 1, a high pixel camera 2, a USB 3, a virtual instrument 4 and a notebook computer 5 and is characterized in that lubricating oil in an oil sample tank 6 in the ferrogram maker 1 goes through a micro-pump 7, abrasive particles stay on a glass substrate 8, the oil enters into a waste oil tank 9, high definition images of the abrasive particles are taken by the high pixel camera 2, the high definition images are transmitted into the notebook computer 5 by the virtual instrument 4, the images are processed by image pre-processing software in the notebook computer 5, an abrasive particle wear type is determined in a virtual interface of the notebook computer 5 by a grey clustering algorithm, a grey forecasting model (EGM(1,1)) is developed by a grey prediction algorithm and abrasive particle wear tendency is predicted. The ferrogram maker has a simple structure and is suitable for a complex electromagnetic environment of a ship cabin. Through use of the virtual instrument, the ferrograph for ships can be developed and upgraded at any time.

Description

Technical field: [0001] The invention relates to an analysis device for judging the wear condition of moving parts of a marine diesel engine according to the shape parameters of abrasive grains in lubricating oil of a lubricating system of a marine diesel engine, and belongs to the field of measuring instruments. Background technique: [0002] Since the ship sails in the ocean all the year round, the flow is scattered, and it is difficult to return to the port of registry for a long time. It is obviously not in line with the reality to use the analytical ferrography and rotary ferrography to establish a ferrography analysis room for marine diesel engines in the shipowner company. Publication number: 102494973A, Publication date: 2011-04-13, Invention name: On-line full-flow visual ferrography; Publication number: 101093191, Publication date: 2007-12-26, Invention name: Comprehensive detection system for oil pollutants Due to the narrowness of the ship's engine room, noise, v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/02G01N15/00
Inventor 吴明赞
Owner NANJING UNIV OF SCI & TECH
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