CN1257999A - Spectrometer for particles in oil sample - Google Patents

Spectrometer for particles in oil sample Download PDF

Info

Publication number
CN1257999A
CN1257999A CN 98111620 CN98111620A CN1257999A CN 1257999 A CN1257999 A CN 1257999A CN 98111620 CN98111620 CN 98111620 CN 98111620 A CN98111620 A CN 98111620A CN 1257999 A CN1257999 A CN 1257999A
Authority
CN
China
Prior art keywords
oil sample
turntable
spectrometer
housing
reserve tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 98111620
Other languages
Chinese (zh)
Other versions
CN1095541C (en
Inventor
左洪福
干敏梁
吴惠祥
邱根良
江涌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
Original Assignee
Nanjing University of Aeronautics and Astronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN 98111620 priority Critical patent/CN1095541C/en
Publication of CN1257999A publication Critical patent/CN1257999A/en
Application granted granted Critical
Publication of CN1095541C publication Critical patent/CN1095541C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A spectrometer for collecting the micro particles in oil sample is based on ferrous spectrometer, and features that the spectrometric substrate made of filter membrane and liner piece with small holes are put on rotary table and then enclosed, and the vacuum system and control system are used for automatic spectrography. Its advantages are high reproducibility and no environmental pollution.

Description

Spectrometer for particles in oil sample
The present invention relates to the molecule that is suspended in the oil sample is gathered the instrument of testing, analyzing to be used to.
At present, the important means that plant equipment is carried out wear condition monitoring and fault diagnosis adopts ferrous specturm technique exactly.It passes through the quantity and the form of the solid wear particle (hereinafter to be referred as abrasive particle) in sampling regularly, analysis, detection lubricating oil or fuel oil, the hydraulic oil, thereby realization is to the wear condition monitoring and the fault diagnosis of plant equipment under the situation of not shutting down, not tearing open machine.But have following problem to some extent at the various ferrographs that use at present: (1) generally can only collect the magnetic abrasive grain in the oil sample in system spectrum process, to the abrasive particle of non magnetic abrasive particle or other character then often gather less than, and in system spectrum process, need to carry out a large amount of manual operationss, automaticity is poor, therefore prepared each time spectrum sheet of same oil sample and analysis result thereof are subjected to many stochastic factor, repeatability is lower; (2) owing to can not collect non magnetic abrasive particle in the oil sample, generally only be used at present lubricating oil is analyzed, and in the hydraulic oil, fuel oil because of a large amount of non magnetic abrasive particles is arranged, effect is poor; (3) system is open, and used cleaning fluid often has toxicity in the system spectrum process, therefore operating personnel and environment is polluted.
The object of the present invention is to provide and a kind ofly can gather the system spectrometer that magnetic abrasive grain can be gathered non magnetic abrasive particle again; And can also further make enclosed system spectrometer.
Concrete technical scheme proposed by the invention is as follows:
Based on rotary-ferrograph, to make the spectrum substrate is flat on the turntable by anchor clamps with liner, the ring-shaped magnet of placing in the turntable is at least two, antipole is installed with one heart, has at least one circle aperture, the gap between magnet and turntable on the liner, and the draining hole is arranged at the turntable bottom; System spectrum substrate adopts filter membrane to make.
The said structure sealing is installed in the housing, motor is installed in outside, there is liquid reserve tank the housing below, liquid reserve tank links to each other with vacuum pump, and have pipeline to link to each other with housing, oil sample bottle, cleaning fluid bottle respectively and pipeline on valve is arranged, oil sample bottle, cleaning fluid bottle also link to each other with housing by pipeline respectively, and the draining hole of turntable bottom communicates with liquid reserve tank, also have drain mast to communicate between housing and the liquid reserve tank.
Its hardware configuration of system that said apparatus is controlled automatically is: temperature control system, keyboard connect the input end of central processor CPU; RST connects reset button; The high address line of CPU connects the input end of code translator, and the output of code translator is gated memory ROM, RAM and two I/O interfaces respectively, and the low order address line links to each other with storer ROM, RAM and two I/O interfaces respectively, carries out addressing in the sheet; The data line of CPU connects the data line of storer ROM, RAM and two I/O interfaces respectively; The output of two I/O interfaces connects pilot lamp, charactron and two drivers respectively.
The software flow of control system is: at first carry out temperature control after the start and select---"Yes" then enters automatic heating schedule, carrying out the substrate kind when oil sample is heated to predetermined temperature selects, enter automated operator after determining, come back to open state after finishing flow processs such as application of sample, flushing, drying; "No" is then proceeded automatic selection---and "Yes" is then carried out the substrate kind and is selected, and enters automated operator after determining, comes back to open state after finishing flow processs such as application of sample, flushing, drying; "No" then enters the manual operation program, carries out the selection of rotating speed, isoparametric setting of time and action type, finishes selected flow process after to be determined, comes back to open state then.
The basic structure synoptic diagram of accompanying drawing 1. system spectrometers.
The configuration of accompanying drawing 2. ring-shaped magnets and Distribution of Magnetic Field synoptic diagram (with the example that is configured to of three magnet).
Abrasive particle distribution schematic diagram on aperture position on accompanying drawing 3. liners and the spectrum sheet.
The system architecture synoptic diagram of accompanying drawing 4. closed system spectrometers.
The hardware block diagram of the control system of accompanying drawing 5. system spectrometers.
The software flow pattern of the control system of accompanying drawing 6. system spectrometers.
The basic structure of system spectrometer proposed by the invention is made up of system spectrum substrate 1, liner 2, turntable 4, ring-shaped magnet 6 and motor 7, system spectrum substrate and liner lump together by anchor clamps and are flat on the turntable, substrate is descending at last, liner, substrate can adopt filter membrane or glass to make, liner should adopt rigid material to make, the ring-shaped magnet of placing in the turntable is at least two, antipole is installed with one heart, the gap of the aperture of being opened on the liner 3 between the internal diameter of the external diameter of the ring-shaped magnet of outmost turns and turntable, draining hole 5 is arranged at the turntable bottom.Its principle of work is: when oil sample drips on the system spectrum substrate, the centrifugal action that is produced owing to the turntable rotation radially spreads it, simultaneously because the action of a magnetic field that ring-shaped magnet produced of substrate below deposits magnetic abrasive grain, this process is identical with common rotary-ferrograph; But, the structure of two common ring-shaped magnet configurations might cause the accumulation of abrasive particle in field region, be unfavorable for the abrasive particle form is carried out qualitative analysis, if adopt the structure of three ring-shaped magnet configurations, can make then that field region is widened, the abrasive particle distribution area enlarges, be convenient to observe (in system spectrum process because the flowability of abrasive particle itself and the influence of suffered magnetic force size at microscopically, make big abrasive particle major sedimentary at interior ring and little abrasive particle major sedimentary at outer shroud, i.e. A district in the accompanying drawing and B district); Outside oil sample continues diffusion arrival magnetic field, when being the C district in the accompanying drawing, if substrate adopts filter membrane to make, then because the leakage effects of the aperture of opening on the liner, make the non magnetic abrasive particle that oil sample mainly leaks down in the oil sample herein then stay (smallest particles of the non magnetic abrasive particle of being gathered is by the aperture size decision of filter membrane itself) on the filter membrane, the 3rd ring that forms wear particle deposition is (if substrate still adopts glass to make, then similar with common rotary-ferrograph, just the distributed areas of magnetic abrasive grain enlarge); Oil sample under leaking from the liner aperture goes out along the draining orifice flow of turntable bottom.When spectrum system substrate and liner be installed in simultaneously in the anchor clamps on the turntable, when abrasive particle being observed, when analyzing, both being taken off and be installed in the same anchor clamps of microscopically from turntable simultaneously, therefore compose the center of sheet and very easily find accurately.
The said structure sealing is installed in the housing 8, the lid that can open is arranged on the housing, so that place and take out substrate and liner; Motor 7 can be installed on the liquid reserve tank 10 of housing below, and motor shaft 9 passes housing and links to each other with turntable; Liquid reserve tank connects a vacuum pump 14, and has pipeline to link to each other with housing 8, oil sample bottle 11, cleaning fluid bottle 13 respectively, and valve 15 amounts of opening with pilot piping are arranged on the pipeline, and oil sample bottle, cleaning fluid bottle also link to each other with housing by pipeline respectively.Therefore, system spectrum process can realize by following four operation stepss: (1) start: at first start vacuum pump, open the valve between oil sample bottle and cleaning fluid bottle and the liquid reserve tank then, and the valve between adjustment housings and the liquid reserve tank makes pressure P b in the housing greater than the pressure Pa in the liquid reserve tank, at this moment equate with pressure Pa in the liquid reserve tank because of the pressure P c in oil sample bottle and the cleaning fluid bottle and Pd, under the effect of Pb, form and flow to the air-flow of oil sample bottle and cleaning fluid bottle, thereby oil sample is played beating action and stops wash liquid stream to housing from housing; (2) application of sample: close the valve between oil sample bottle and cleaning fluid bottle and the liquid reserve tank, open the turntable switch simultaneously, at this moment thereby Pc and Pd recover original pressure gradually greater than Pb, oil sample and cleaning fluid promptly flow in the housing, the oil sample that has diluted is dropped on the system spectrum substrate on the turntable, and carry out the process of wear particle deposition; (3) clean: open the valve between oil sample bottle and the liquid reserve tank, this moment, oil sample arrheaed and cleaning fluid continues to flow on the system spectrum substrate in the housing, and the spectrum sheet that makes is washed; (4) drying: open the valve between cleaning fluid bottle and the liquid reserve tank, cleaning fluid also stops to flow, and closes the turntable switch after the spectrum sheet is dried.Owing to adopted enclosed structure, and set up the pressure reduction of system, made system spectrum process to control, for realizing that automation mechanized operation lays the foundation by the keying of pump and valve, switch by vacuum pump; In addition, the draining hole of turntable bottom communicates with liquid reserve tank, and (motor shaft that can utilize hollow is as draining hole and interface channel, pipeline perhaps is set in addition to be communicated with the draining hole with liquid reserve tank), therefore turntable pressure inside Pe equals the pressure Pa in the liquid reserve tank, and the pressure of turntable outside is Pb, so also just between the lower surface of the upper surface of substrate and liner, form pressure reduction, substrate and liner are attracted in the anchor clamps on the turntable together and do not need to take other fixation.For making oil sample have enough flowabilities, heater block 12 (as the temperature control electric furnace) can be set, below the oil sample bottle so that when temperature is low, oil sample is heated.
For improving automaticity, can adopt Single Chip Microcomputer (SCM) system or microsystem etc. to control to above-mentioned system spectrometer.Its hardware configuration is: temperature control system, keyboard connect the input end of central processor CPU; RST connects reset button; The high address line of CPU connects the input end of code translator, and the output of code translator is gated memory ROM, RAM and two I/O interfaces respectively, and the low order address line links to each other with storer ROM, RAM and two I/O interfaces respectively, carries out addressing in the sheet; The data line of CPU connects the data line of storer ROM, RAM and two I/O interfaces respectively; The output of two I/O interfaces connects pilot lamp, charactron and two drivers respectively.The whole system operation process is: the watchdog routine of system is solidificated among the ROM; By temperature control button, the selected parameter of keyboard, be input to central processor CPU and handle; CPU output control signal is controlled the action of pilot lamp, charactron and driver by the I/O interface then; Driver is controlled motor and relay work again, thereby drives valve and switch work by driven by motor turntable, relay.
As follows for above-mentioned control system designed software flow process: as at first to carry out temperature control after the start and select---"Yes" then enters automatic heating schedule, carrying out the substrate kind when oil sample is heated to predetermined temperature selects, enter automated operator after determining, come back to open state after finishing flow processs such as application of sample, flushing, drying; "No" is then proceeded automatic selection---and "Yes" is then carried out the substrate kind and is selected, and enters automated operator after determining, comes back to open state after finishing flow processs such as application of sample, flushing, drying; "No" then enters the manual operation program, carries out the selection of rotating speed, isoparametric setting of time and action type, finishes selected flow process after to be determined, comes back to open state then.This software flow can be finished three kinds of control function: (1) temperature control function: open the switch of heater block after the start, oil sample is heated, just start the system spectrometer when oily temperature reaches predetermined value, finish the whole operation process by the predetermined parameters value; (2) AutoPlay function: directly start the system spectrometer, finish the whole operation process by the predetermined parameters value; (3) manual operation function: can carry out parameter adjustment according to actual needs or carry out a certain individual event operating process.
Specific embodiments of the invention are as follows: the turntable external diameter is 50mm, liner is an aluminium, aperture on it is 1mm, Liang Quan, and ring-shaped magnet is with 3, and motor adopts stepper motor, motor shaft is hollow form, turntable draining hole is linked to each other with liquid reserve tank, pressure reduction between liquid reserve tank and the housing is 10Pa, and CPU adopts 8031, and code translator is 139, storer is respectively 2764 and 6264, and the I/O interface adopts 8155.
In sum, system spectrometer proposed by the invention can all be gathered magnetic in the oil sample and non magnetic abrasive particle, and utilize vacuum equipment and automatic control system to make the whole operation process realize robotization, therefore improved repeatability greatly, and made hydraulic oil, fuel system also can carry out the monitoring of operation conditions by crude oil sample analysis with prepared each time spectrum of same oil sample sheet; Enclosed structure can make poisonous cleaning fluid can not evaporate in the air, the waste liquid of collecting in the liquid reserve tank can also be focused on, and has therefore solved problem of environmental pollution.So the present invention compares with all kinds of ferrographs in the past bigger progress, created condition for the widespread use of ferrous specturm technique in the actual production scene.

Claims (4)

1. spectrometer for particles in oil sample, comprise motor, turntable, ring-shaped magnet, system spectrum substrate etc., it is characterized in that system spectrum substrate (1) is flat on the turntable (4) by anchor clamps with liner (2), the inner ring-shaped magnet of placing (6) of turntable is at least two, antipole is installed with one heart, have at least one circle aperture (3), the gap between magnet and turntable on the liner, draining hole (5) is arranged at the turntable bottom; System spectrum substrate adopts filter membrane to make.
2. spectrometer for particles in oil sample as claimed in claim 1, it is characterized in that turntable, system spectrum substrate and liner, sealings such as ring-shaped magnet are installed in the housing (8), motor (7) is installed in outside, there is liquid reserve tank (10) the housing below, liquid reserve tank links to each other with vacuum pump (14), and have pipeline respectively with housing, oil sample bottle (11), cleaning fluid bottle (13) link to each other and pipeline on valve (15) is arranged, the oil sample bottle, the cleaning fluid bottle also links to each other with housing by pipeline respectively, the draining hole of turntable bottom communicates with liquid reserve tank, also has drain mast to communicate between housing and the liquid reserve tank.
3. spectrometer for particles in oil sample as claimed in claim 1 or 2 is characterized in that being provided with automatic control system, and its structure is: temperature control system, keyboard connect the input end of central processor CPU; RST connects reset button; The high address line of CPU connects the input end of code translator, and the output of code translator is gated memory ROM, RAM and two I/O interfaces respectively, and the low order address line links to each other with storer ROM, RAM and two I/O interfaces respectively, carries out addressing in the sheet; The data line of CPU connects the data line of storer ROM, RAM and two I/O interfaces respectively; The output of two I/O interfaces connects pilot lamp, charactron and two drivers respectively.
4. spectrometer for particles in oil sample as claimed in claim 3, the software flow that it is characterized in that control system is: at first carry out temperature control after the start and select---"Yes" then enters automatic heating schedule, carrying out the substrate kind when oil sample is heated to predetermined temperature selects, enter automated operator after determining, come back to open state after finishing flow processs such as application of sample, flushing, drying; "No" is then proceeded automatic selection---and "Yes" is then carried out the substrate kind and is selected, and enters automated operator after determining, comes back to open state after finishing flow processs such as application of sample, flushing, drying; "No" then enters the manual operation program, carries out the selection of rotating speed, isoparametric setting of time and action type, finishes selected flow process after to be determined, comes back to open state then.
CN 98111620 1998-12-18 1998-12-18 Spectrometer for particles in oil sample Expired - Fee Related CN1095541C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98111620 CN1095541C (en) 1998-12-18 1998-12-18 Spectrometer for particles in oil sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98111620 CN1095541C (en) 1998-12-18 1998-12-18 Spectrometer for particles in oil sample

Publications (2)

Publication Number Publication Date
CN1257999A true CN1257999A (en) 2000-06-28
CN1095541C CN1095541C (en) 2002-12-04

Family

ID=5221589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 98111620 Expired - Fee Related CN1095541C (en) 1998-12-18 1998-12-18 Spectrometer for particles in oil sample

Country Status (1)

Country Link
CN (1) CN1095541C (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519753A (en) * 2011-11-18 2012-06-27 武汉理工大学 Magnetic iron spectral collecting device
CN107843528A (en) * 2017-12-01 2018-03-27 广州机械科学研究院有限公司 Oil liquid detection magnetic filter spectrometer, automated system, notation method and application
CN108414409A (en) * 2018-05-11 2018-08-17 中国矿业大学 A kind of rotary-ferrograph spectral slice image capturing system and method
CN108458953A (en) * 2018-01-24 2018-08-28 广州机械科学研究院有限公司 A kind of iron spectrum wear particle deposition technology and its device based on temperature-sensitive glue film
CN110595963A (en) * 2019-10-14 2019-12-20 中国矿业大学 Online rotary ferrograph and online oil monitoring method of equipment
CN112697656A (en) * 2020-12-09 2021-04-23 广州机械科学研究院有限公司 Ferrographic substrate, ferrographic analysis method and electron microscope energy spectrum analysis method
CN113405933A (en) * 2021-06-18 2021-09-17 北京格谱检测科技有限公司 Oil abrasive particle analyzer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101832902B (en) * 2010-04-09 2012-04-04 重庆大学 Oil analysis method for diagnosing equipment failure

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519753A (en) * 2011-11-18 2012-06-27 武汉理工大学 Magnetic iron spectral collecting device
CN102519753B (en) * 2011-11-18 2013-12-25 武汉理工大学 Magnetic iron spectral collecting device
CN107843528A (en) * 2017-12-01 2018-03-27 广州机械科学研究院有限公司 Oil liquid detection magnetic filter spectrometer, automated system, notation method and application
CN108458953A (en) * 2018-01-24 2018-08-28 广州机械科学研究院有限公司 A kind of iron spectrum wear particle deposition technology and its device based on temperature-sensitive glue film
CN108458953B (en) * 2018-01-24 2024-05-03 广州机械科学研究院有限公司 Iron spectrum abrasive particle deposition technology and device based on thermosensitive adhesive film sheet
CN108414409A (en) * 2018-05-11 2018-08-17 中国矿业大学 A kind of rotary-ferrograph spectral slice image capturing system and method
CN108414409B (en) * 2018-05-11 2024-04-30 中国矿业大学 System and method for collecting spectrum sheet image of rotary ferrograph
CN110595963A (en) * 2019-10-14 2019-12-20 中国矿业大学 Online rotary ferrograph and online oil monitoring method of equipment
CN110595963B (en) * 2019-10-14 2024-03-22 中国矿业大学 Online rotary ferrograph and equipment oil online monitoring method
CN112697656A (en) * 2020-12-09 2021-04-23 广州机械科学研究院有限公司 Ferrographic substrate, ferrographic analysis method and electron microscope energy spectrum analysis method
CN113405933A (en) * 2021-06-18 2021-09-17 北京格谱检测科技有限公司 Oil abrasive particle analyzer

Also Published As

Publication number Publication date
CN1095541C (en) 2002-12-04

Similar Documents

Publication Publication Date Title
CN1095541C (en) Spectrometer for particles in oil sample
CN202204709U (en) Full-automatic multi-channel gas path switching atmospheric sampling device
CN115791547B (en) Online monitoring system and method for particle size of powder material
CN206906236U (en) A kind of Water Test Kits
CN109343336A (en) A kind of solution stirring autocontrol method
CN106053144A (en) Sampling and pretreatment device of redox sensitive element containing water
CN209858539U (en) Ambient air, peculiar smell stench class and VOC gas monitoring system
CN206161395U (en) Flue gas analysis pretreatment systems
CN104062453A (en) On-line continuous automatic multi-parameter monitor for atmosphere dry and wet deposition
CN107402154A (en) Automatic change magnetism solid phase extraction device
CN204065106U (en) A kind of atmosphere dried wet deposition multiparameter on-line continuous automonitor
CN217638303U (en) Micro-fluidic water quality testing equipment
CN101876139B (en) Device and method for detecting dispersing performance of chemical synthesized short fibers
CN212780673U (en) Thin-layer chromatography integrated device with functions of spraying, developing, inspecting and cleaning
CN105736395B (en) A kind of sewage pump system that can monitor water quality
CN211576656U (en) Polymerization reaction kettle and sampling device thereof
CN201133904Y (en) Negative-pressure liquid phase chromatograph
US5021126A (en) Drum washer having liquid collecting means
CN201417228Y (en) Ore pulp sample multi-channel sampler
CN109738324A (en) A kind of on-line detecting system and detection method of size solid content
CN2569121Y (en) Sampling, device for analyzing granular suspension iron in water
CN213041607U (en) Sample preparation equipment
CN117871414B (en) Automatic analysis device for anionic surfactant
CN216955338U (en) Gas dehydration sampling mechanism and dynamic detection system thereof
CN111380823B (en) Oil detecting system

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee