CN107966449A - A kind of oil cleanliness detector and its detection method - Google Patents
A kind of oil cleanliness detector and its detection method Download PDFInfo
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- CN107966449A CN107966449A CN201711220326.5A CN201711220326A CN107966449A CN 107966449 A CN107966449 A CN 107966449A CN 201711220326 A CN201711220326 A CN 201711220326A CN 107966449 A CN107966449 A CN 107966449A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
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Abstract
This application discloses a kind of oil cleanliness detector and its detection method, detector includes fluid sampling unit, high-power microscope, image identification unit, data processor, data store and communication module and high-precision digital-display screen, wherein, fluid sampling unit is according to standard acquisition sample fluid, data processor analyzes collection information, draw the cleannes grade of sampling fluid, and contrast is stored in the reference fluid cleannes grade photo in detector automatically according to obtained cleannes grade, it is delivered in high-precision digital-display screen and carries out contrast and show, by directly detecting the particulate matter in fluid sample, then its species is obtained, size and number, data intuitive strengthens, be conducive to improve testing result accuracy, and detection mode is simple to operation, operated suitable for live quick-speed large-scale.
Description
Technical field
This application involves hydraulic pressure, lubricating area, more particularly to a kind of oil cleanliness detector and its detection method.
Background technology
Oil cleanliness is mainly the solid particulate matter dustiness index in fluid liquid, in hydraulic pressure, lubricating area fluid
Cleannes are a very crucial parameters, its service life on whole system suffers from vital influence with reliability, has
Statistics shows that hydraulic pressure, the failure of lubricating system 70% are because caused by oil cleanliness reason.
Oil cleanliness detector on the market is all based on laser particle count principle, the detector of this technology at present
It is a kind of Statistics indirectly and sensor cannot observe directly contaminant particle thing size, the shape in fluid sample,
With inaccuracy, and bubble is remained to testing result and very big influence in fluid, so the biography based on such counting
Sensor is not high with detector confidence level, is generally only used as detection reference.In addition, single laser particle thing sensor for countering or
Detector can not also tell the species of particulate matter, can not instruct the prevention work of oil cleanliness.In addition to cleannes detector,
It is exactly that laboratory optical loupes are analyzed to also have a kind of more accurately detection method at present, although such method conclusion ratio
It is relatively accurate, but laboratory equipment operation can only be completed, laboratory environment requirement is not suitable for by special messenger with very strong professional
The requirement that scene quickly checks, also brings many inconveniences to oil cleanliness detection work.In short, existing fluid cleaning
It is not directly perceived to spend inaccurate detector testing result, detection process and detection data；Existing test in laboratory mode time and effort consuming,
Be not suitable for scene quick-speed large-scale to use, and intuitive is also very poor, and what user had no way quicklook recognizes desired knot
By.
The content of the invention
The embodiment of the present application provides a kind of oil cleanliness detector and its detection method, of the prior art to solve
Following technical problem：Testing result is inaccurate, detection process and detection data be not directly perceived, and detection mode time and effort consuming, no
It is adapted to scene quick-speed large-scale to use.
In order to solve the above technical problems, what the embodiment of the present application was realized in：
A kind of oil cleanliness detector provided by the embodiments of the present application, including：
Fluid sampling unit, high-power microscope, image identification unit, data processor, data storage with communication module and
High-precision digital-display screen, it is characterised in that fluid sampling unit is according to standard acquisition sample fluid and connects high-power microscope, high power
Microscope can either automatically or manually complete paired samples fluid amplification factor segmentation, focusing, image identification unit connection high power
Microscope, image in real-time collecting sample are simultaneously exported obtained information in the form of electronic pictures, and data processor can be automatic
The cleannes grade that the electronic pictures are handled to distinguish variable grain species and fluid is calculated, high-precision digital-display screen
For showing sample fluid picture, oil cleanliness grade, standard solid thing grade picture, and variable grain species can be directed to
Class, forms different signs and distinguishes display.
The embodiment of the present application further includes a kind of detection method of oil cleanliness detector, including：
Fluid sampling unit is according to standard acquisition sample fluid, after being filtered by ready filter paper, by filter paper from
Dynamic be sent under high-power microscope is amplified, and high-power microscope selects corresponding object lens, eyepiece to carry out classification and put according to amplification factor
Greatly, after by the object lens of high-power microscope, eyepiece amplification, the electronic chart for the image identification unit being connected with high-power microscope eyepiece
As identifying system gathers the image in filter paper sample in real time, preserved with million grades of high-resolution digital forms, the picture quilt of preservation
Send to data processor and analyzed, draw the cleannes grade of sampling fluid, data processor is according to obtained cleannes etc.
The automatic contrast of level is stored in the reference fluid cleannes grade photo in detector, and is delivered in high-precision digital-display screen and carries out pair
Than display.
Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following beneficial effect：
The application then obtains its species, size and number by directly detecting the particulate matter in fluid sample, and data are straight
The property seen enhancing, is conducive to improve testing result accuracy, and detection mode is simple to operation, suitable for live quick-speed large-scale
Operation, can solve the problems of the prior art.
Brief description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of oil cleanliness detector provided by the embodiments of the present application.
Wherein, 1-fluid sampling unit, 2-high-power microscope, 3-image identification unit, 4-data processor, 5-
Titer presses sample image, 6-high-precision digital-display screen, the storage of 7-data and communication module.
Embodiment
The embodiment of the present application provides a kind of oil cleanliness detector and its detection method.
It is in order to make those skilled in the art better understand the technical solutions in the application, real below in conjunction with the application
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.It is common based on the embodiment in the application, this area
Technical staff's all other embodiments obtained without making creative work, should all belong to the application protection
Scope.
As shown in Figure 1, a kind of oil cleanliness detector, including fluid sampling unit 1, high-power microscope 2, image recognition
Unit 3, data processor 4, data storage and communication module 7 and high-precision digital-display screen 6, wherein, fluid sampling unit 1 is according to mark
Quasi- collecting sample fluid, is filtered by ready filter paper, and the filter paper after the completion of sampling will be transmitted by micro-step motor
To 2 detection station of high-power microscope, high-power microscope 2 is amplified in filter paper by its object lens and eyepiece filters the particle left
Thing, also under the driving and control of micro-step motor, high-power microscope 2 automatic or complete paired samples fluid can be put
Big multiple segmentation, focusing, above detection engineering can also be completed manually.Image identification unit 3 connects high-power microscope 2,
Image in real-time collecting sample and by obtained information in the form of the electronic pictures that million grades of high-resolution digital forms preserve
Output, electronic pictures are sent to data processor 4 and are analyzed, and data processor 4 can automatically process electronic pictures, be known with image
Other method calculates particulate matter size and quantity, and is classified by the sampling picture of multiple points to particulate matter quantity according to size
Statistics, distinguishes the species of particulate matter, so as to draw the cleannes grade of sampling fluid, high-precision digital-display screen 6 is used to show sample
Fluid picture, oil cleanliness grade, standard solid thing grade picture, and variable grain species can be directed to, formed different
Sign distinguishes display.Wherein, data storage with communication module 7 can store the picture of sample fluid, cleannes grade,
Grain species statistical information, in order to user's copy, reads, printing information needed, or it is connected with direct with computer
Relevant information is shown on computers.
User selects corresponding detection pattern according to the mode that fluid samples：Fluid on-line period pattern takes offline with fluid
Original mold formula.Used when in hydraulic pressure, lubrication on-line system, what is typically gathered has the fluid of pressure source, this pattern
Down, it is necessary to which oil cleanliness detector is connected on oil sources, pressure oil is depressurized by fluid sampling unit 1, further according to the world
And after the requirement of national sector standard carries out accurate measurement processing, flow into fluid sampling unit 1 and filtered.It is if offline
Sampling mode, the metering pump in fluid sampling unit 1 can collect that satisfaction is international and national sector standard will from offline sampling bottle
The fluid amount asked simultaneously carries out filtration treatment.Both the above detection pattern, simply the method in fluid sampling is different, sampling filtering
Afterwards, the operation principle of two kinds of detection patterns is identical.
As needed, data processor 4 can carry out particulate matter category identification to the sampling fluid particulate matter picture of collection：With
Image-recognizing method automatic identification includes the variable grain species such as metal, rubber, paint.Variety classes particulate matter is carried out automatic
Sign is handled and is shown in display screen, allows technical staff to get information about very much particle species so as to find oil contaminant
Source.
The foregoing is merely embodiments herein, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, be equal
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of oil cleanliness detector, including：Fluid sampling unit, high-power microscope, image identification unit, data processing
Device, data storage and communication module and high-precision digital-display screen, it is characterised in that fluid sampling unit is according to standard acquisition sample oil
Liquid simultaneously connects high-power microscope, high-power microscope can either automatically or manually complete paired samples fluid amplification factor segmentation, it is right
Jiao, image identification unit connection high-power microscope, image in real-time collecting sample and by obtained information with electronic pictures shape
Formula exports, and data processor can automatically process the electronic pictures to distinguish variable grain species and fluid is calculated
Cleannes grade, high-precision digital-display screen are used to show sample fluid picture, oil cleanliness grade, standard solid thing grade figure
Piece, and variable grain species can be directed to, form different signs and distinguish display.
A kind of 2. oil cleanliness detector according to claim 1, it is characterised in that：The fluid sampling unit collection
Sample fluid, after being filtered by ready filter paper, be automatically transmitted to amplify under high-power microscope.
A kind of 3. oil cleanliness detector according to claim 1, it is characterised in that：Described image recognition unit is first
Calculate particulate matter size and quantity with image-recognizing method, by the sampling pictures of multiple points to particulate matter quantity according to size into
Row statistic of classification, so as to draw the cleannes grade of sampling fluid.
A kind of 4. oil cleanliness detector according to claim 1, it is characterised in that：The data storage and the mould that communicates
The block storage picture of sample fluid, cleannes grade, particle species statistical information, for copy, read, print analyze or with
Computer is connected directly to show on computers.
A kind of 5. oil cleanliness detector according to claim 1, it is characterised in that：Described image recognition unit is with hundred
Ten thousand grades of high-resolution digital forms preserve the electronic pictures of output.
6. a kind of detection method of oil cleanliness detector according to claim 1, it is characterised in that fluid sampling is single
Filter paper after being filtered by ready filter paper, is automatically transmitted to high-power microscope by member according to standard acquisition sample fluid
Lower amplification, high-power microscope select corresponding object lens, eyepiece to carry out classification amplification, pass through high-power microscope according to amplification factor
After object lens, eyepiece amplification, the electronic image identifying system for the image identification unit being connected with high-power microscope eyepiece gathers in real time
Image in filter paper sample, is preserved with million grades of high-resolution digital forms, and the picture of preservation is sent to data processor progress
Analysis, draws the cleannes grade of sampling fluid, contrast is stored in inspection to data processor automatically according to obtained cleannes grade
The reference fluid cleannes grade photo in instrument is surveyed, and is delivered in high-precision digital-display screen and is carried out contrast and show.
7. detection method according to claim 6, it is characterised in that：The picture of the preservation be sent to data processor into
Row analysis further comprises that processor calculates particulate matter size and quantity with image-recognizing method first, passes through adopting for multiple points
Master drawing piece carries out statistic of classification to particulate matter quantity according to size, so as to draw the cleannes grade of sampling fluid.
8. detection method according to claim 6, it is characterised in that：Wherein, data storage and communication module storage sample
The picture of fluid, cleannes grade, particle species statistical information, for copying, reading, printing analysis or being connected with computer
Directly to show on computers.
9. detection method according to claim 6, it is characterised in that：According to the sample mode of sample fluid, set and correspond to
Detection pattern, the detection pattern includes fluid on-line period pattern and the offline sampling mode of fluid.
10. detection method according to claim 9, it is characterised in that：When the oil carried out in hydraulic pressure, lubrication on-line system
Under liquid on-line period pattern, detector is connected on oil sources, pressure oil by fluid sampling unit depressurize and according to standard into
After row accurate measurement processing, the filter paper for flowing into fluid sampling unit is filtered；When under the offline sampling mode of fluid, fluid takes
Metering pump in sample unit is collected from offline sampling bottle to be met the fluid amount of standard and carries out filtration treatment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711220326.5A CN107966449A (en) | 2017-11-29 | 2017-11-29 | A kind of oil cleanliness detector and its detection method |
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| CN201711220326.5A CN107966449A (en) | 2017-11-29 | 2017-11-29 | A kind of oil cleanliness detector and its detection method |
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Cited By (6)
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| CN109682829A (en) * | 2019-02-27 | 2019-04-26 | 三一汽车制造有限公司 | Oil cleanliness detection device, hydraulic machinery and oil cleanliness detection method |
| CN110108536A (en) * | 2019-06-18 | 2019-08-09 | 中国计量大学 | A kind of standard board manufacturing method compared for settled date mirror area gray scale detection |
| CN110813890A (en) * | 2019-11-13 | 2020-02-21 | 陕西航空电气有限责任公司 | Cleaning method of oil cleanliness detection equipment |
| CN110887768A (en) * | 2018-09-10 | 2020-03-17 | 人本集团有限公司 | Cleaning kerosene cleanliness detection method |
| CN112051204A (en) * | 2020-08-14 | 2020-12-08 | 一汽奔腾轿车有限公司 | Method for detecting filtering cleanliness of water-based colored paint |
| CN113466091A (en) * | 2021-05-20 | 2021-10-01 | 浙江中控太阳能技术有限公司 | Heliostat cleaning and cleanliness measuring system and heliostat cleanliness measuring method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110887768A (en) * | 2018-09-10 | 2020-03-17 | 人本集团有限公司 | Cleaning kerosene cleanliness detection method |
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| CN110108536A (en) * | 2019-06-18 | 2019-08-09 | 中国计量大学 | A kind of standard board manufacturing method compared for settled date mirror area gray scale detection |
| CN110108536B (en) * | 2019-06-18 | 2021-10-01 | 中国计量大学 | Standard plate manufacturing method for heliostat area gray level detection and comparison |
| CN110813890A (en) * | 2019-11-13 | 2020-02-21 | 陕西航空电气有限责任公司 | Cleaning method of oil cleanliness detection equipment |
| CN112051204A (en) * | 2020-08-14 | 2020-12-08 | 一汽奔腾轿车有限公司 | Method for detecting filtering cleanliness of water-based colored paint |
| CN113466091A (en) * | 2021-05-20 | 2021-10-01 | 浙江中控太阳能技术有限公司 | Heliostat cleaning and cleanliness measuring system and heliostat cleanliness measuring method |
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