CN105486735A - Quality monitoring system for lubricating oil for chain machining - Google Patents
Quality monitoring system for lubricating oil for chain machining Download PDFInfo
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- CN105486735A CN105486735A CN201610031983.4A CN201610031983A CN105486735A CN 105486735 A CN105486735 A CN 105486735A CN 201610031983 A CN201610031983 A CN 201610031983A CN 105486735 A CN105486735 A CN 105486735A
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- amplifier
- analog converter
- digital analog
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- monitoring system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
Abstract
The invention discloses a quality monitoring system for lubricating oil for chain machining. The system comprises a constant potential rectifier, a computer, an active agent and a printing type sensor, wherein the constant potential rectifier supplies power to the printing type sensor, and the printing type sensor monitors a mixed sample of sample oil and the active agent and transmits monitored data to the computer for software analysis and processing. With the adoption of the quality monitoring system, an electrochemical oil quality detection platform suitable for medium and small enterprises can be developed through the portable low-noise constant potential rectifier, a two-electrode or three-electrode system is configured, the range of the applied potential is +/-2V, the range of received current is 100fA-1mA, and the platform has the characteristics of simplicity, quickness, low price, accuracy and safety.
Description
Technical field
The present invention relates to chain processing lubricating oil product quality monitoring system, be specially a kind of Electrochemical Detection platform detected for oil quality.
Background technology
The use management of chain greasisng oil affects chain products quality and operation costs are very huge, and the quality monitoring lubricating oil product with regular old oil analysis is economic and effective mode.Under existing lubricating management idea, set up reasonable effective lubricating management pattern by regular old oil analysis or determine to extend the interval of changing oil, guaranteeing end product quality especially, reduce costs, and improve the important evidence of prouctiveness.In idealized model, through the inspection of suitable lubricating oil product, be can diagnose out possible defect in advance, and before producing serious influence, take suitable defensive measure.But under the situation of reality, detect deterioration of oil product may the work of related chemical change then very difficult in complexity.
From the research experience in past, select the method for colour measurement technology and photoelectric absorption determining instrument can obtain testing result rapidly, suitable accurate of data, and repeatability is high, this monitoring analysis for lubricating oil provides a very practical and effective detection method.But this detection technique is suitable for the testing that the same time need detect a large amount of similar oil product, because the setup time that will spend when single oil product is to be checked is quite long, if prepare the similar oil product to be checked of volume simultaneously, then can save the trouble in work, also therefore the professional inspection mechanism of the processed a large amount of similar oil product of this detection method accepts and adopts use, but being but not suitable for medium-sized and small enterprises follows this pattern.Another main detection method is the spectrometer directly reading assay, as the use of AA atomic spetrophtometry instrument, the use etc. of then ICP spectroscopy analysis again, these instruments save time on using very fast, but also more time-consuming in the work set and calibrate, so be still comparatively be applicable in the express-analysis operation of the similar oil product of volume; And for medium and small sized enterprises, large-scale instrument and equipment major defect is that prices are rather stiff, only has when a small amount of detection sample and can not invest valuable spectroscopy equipment.
Summary of the invention
In view of above content, the present invention develops the galvanochemistry oil product detection platform of a set of applicable medium and small sized enterprises use, has characteristic that is simple and easy, quick, inexpensive, accurate, safety concurrently.
For achieving the above object, the technical solution adopted for the present invention to solve the technical problems is:
A kind of chain processing lubricating oil product quality monitoring system, it is characterized in that: comprise potentiostat, computer, activating agent and printing-type sensor, potentiostat is powered to printing-type sensor, printing-type sensor tip is monitored sample oil and the biased sample of activating agent, and the data monitored is transferred in computer and carry out software analysis process.
Further: described potentiostat comprises amplifier A, digital analog converter A, protection for feed line measure and control device A, electric capacity A, resistance A and bipolar electrode test-strips, and wherein the output terminal of amplifier A is connected with electric capacity A negative pole end and resistance A one end respectively; The reverse input end of amplifier A is connected with electric capacity A positive terminal, the resistance A other end and bipolar electrode test-strips working end respectively, described bipolar electrode test-strips counter end grounding connection; The input end in the same way of amplifier A is connected with the output terminal of digital analog converter A, and the input end of digital analog converter A is connected with protection for feed line measure and control device A.
Further: described bipolar electrode test-strips adopts the deserted electrode of printing.
Further: described potentiostat comprises amplifier B, digital analog converter B, protection for feed line measure and control device B, electric capacity B, resistance B, amplifier C, digital analog converter C, protection for feed line measure and control device C and three electrode test bars, and wherein the output terminal of amplifier B is connected with electric capacity B negative pole end and resistance B one end respectively; The reverse input end of amplifier B is connected with electric capacity B positive terminal, the resistance B other end and three electrode test bar working electrodes respectively; The input end in the same way of amplifier B is connected with the output terminal of digital analog converter B, and the input end of digital analog converter B is connected with protection for feed line measure and control device B; The reference electrode of described three electrode test bars is connected with the reverse input end of amplifier C, and the counter electrode of described three electrode test bars is connected with the output terminal of amplifier C; The input end in the same way of amplifier C is connected with the output terminal of digital analog converter C, and the input end of digital analog converter C is connected with protection for feed line measure and control device B.
Further: described three electrode test strip adoptions print deserted electrode.
Further: described activating agent is lauryl alcohol sulfate ammonium salt activating agent or Triton X-100 activating agent.
Due to the utilization of technique scheme, this case of the present invention uses Portable low noise potentiostat to complete, configuration two or three-electrode system, apply potential range ± 2V, received current scope 100fA-1mA, the Electrochemical Detection analysis platform developed for chain processing oil product has some advantage following: (1) setup cost is low and have high selectivity concurrently, and cost performance (C/P value) is high, easily implements and monitors in general factory; (2) complete primary electrochemical detection and only need 30 seconds, do not need to wait as long for detection, result tool is ageing; (3) selectivity is high, can monitor in time for the oxidation of oil product high-temperature operation, acidification phenomenon; (4) use deserted electrode, not only sample use amount is few, and testing process can not cause pollution and the destruction of environment; (5) sample pre-treatments uses environment-friendly type interfacial agent, and setup time is short and can complete sample preparation fast, and without the loaded down with trivial details modulation program of complexity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is galvanochemistry oil product detection platform structural representation.
Fig. 2 is potentiostat circuit (two electric pole types) structural representation.
Fig. 3 is bipolar electrode test-strips structural representation.
Fig. 4 is potentiostat circuit (three electric pole types) structural representation.
Fig. 5 is three electrode test bar structural representations.
Corresponding component title in figure represented by numeral:
1. potentiostat 2. computer 3. activating agent 4. printing-type sensor.
Embodiment
Below in conjunction with specific embodiment, content of the present invention is described in further detail:
As shown in Figure 1, a kind of chain processing lubricating oil product quality monitoring system, comprise potentiostat 1, computer 2, activating agent 3 and printing-type sensor 4, potentiostat 1 pair of printing-type sensor 4 is powered, printing-type sensor 4 is monitored for sample oil and the biased sample of activating agent 3, and the data monitored is transferred in computer 2 and carry out software analysis process.Potentiostat 1 adopts Portable low noise potentiostat, and wherein potentiostat 1 configures two electric level systems circuit structure as shown in Figure 2, and bipolar electrode test-strips wherein needs to determine with reference to Fig. 3.Specific as follows:
Described potentiostat comprises amplifier A, digital analog converter A, protection for feed line measure and control device A, electric capacity A, resistance A and bipolar electrode test-strips (adopting the deserted electrode of printing), and wherein the output terminal of amplifier A is connected with electric capacity A negative pole end and resistance A one end respectively; The reverse input end of amplifier A is connected with electric capacity A positive terminal, the resistance A other end and bipolar electrode test-strips working end respectively, described bipolar electrode test-strips counter end grounding connection; The input end in the same way of amplifier A is connected with the output terminal of digital analog converter A, and the input end of digital analog converter A is connected with protection for feed line measure and control device A.
Following method can be adopted carrying out detection to chain rust preventive lubricating oil:
Embodiment 1:
(1), weigh oil product 0.01g, lauryl alcohol sulfate ammonium salt activating agent 0.1g, is dissolved in the 0.1M aqueous phosphatic of 10mL, with the ultrasonic environment of 60 degree dispersion, namely completes sample preparation.
(2), use printing electrode of two plate cupric oxide (CuO) catalyst, during employing, m-current method is analyzed, and analyze directly drip sample under the condition applying current potential 1.0V after, the result of getting 0.1 second carries out current value interpretation.
(3), product to be tested permits the current settings of receipts in 4 ± 1x10-8A.
Embodiment 2:
(1) weigh oil product 0.01g, Triton X-100 activating agent 0.1g, be dissolved in the 0.1M aqueous phosphatic of 10mL, with the ultrasonic environment of 60 degree dispersion, namely complete sample preparation.
(2) use printing electrode of two plate cuprous oxide catalyst, adopt differential pulse voltammetry to analyze, under the condition applying current potential ± 0.3V, directly drip the laggard line scanning of sample, and get the peak point current interpretation of 0.0V.
(3) product to be tested permits the current settings of receipts in 4 ± 1x10-5A.
Adopt said method to detect chain rust preventive lubricating oil easily, detection speed is fast and can with picture and text showing, and handled easily personnel act by operation or work standard.
Potentiostat 1 can configure three electric level systems circuit structure as shown in Figure 4 equally, and three electrode test bars wherein need to determine with reference to Fig. 5.Specific as follows:
Described potentiostat comprises amplifier B, digital analog converter B, protection for feed line measure and control device B, electric capacity B, resistance B, amplifier C, digital analog converter C, protection for feed line measure and control device C and three electrode test bars (adopting the deserted electrode of printing), and wherein the output terminal of amplifier B is connected with electric capacity B negative pole end and resistance B one end respectively; The reverse input end of amplifier B is connected with electric capacity B positive terminal, the resistance B other end and three electrode test bar working electrodes respectively; The input end in the same way of amplifier B is connected with the output terminal of digital analog converter B, and the input end of digital analog converter B is connected with protection for feed line measure and control device B; The reference electrode of described three electrode test bars is connected with the reverse input end of amplifier C, and the counter electrode of described three electrode test bars is connected with the output terminal of amplifier C; The input end in the same way of amplifier C is connected with the output terminal of digital analog converter C, and the input end of digital analog converter C is connected with protection for feed line measure and control device B.
The present invention adopts said method, for the monitoring demand of quality of lubrication oil, unified standard need be set up, under simple and fixing operation criterion, operating personnel can be acted according to operation criterion, therefore this case just according to this demand set up out simple and easy, fast, inexpensive, safety, the Electrochemical Detection mechanism of high selectivity, to arrange in pairs or groups again classic method, with FTIR spectrum analysis, the evidence of oil quality deterioration is carried out in viscosity analysis, under every evidence intersects comparison, just set up out the electrochemical analysis method of applicable fast monitored chain processing lubricating oil product, cost viewpoint is applicable to enterprise to build and the simple and easy QC platform adopted.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. a chain processing lubricating oil product quality monitoring system, it is characterized in that: comprise potentiostat, computer, activating agent and printing-type sensor, potentiostat is powered to printing-type sensor, printing-type sensor tip is monitored sample oil and the biased sample of activating agent, and the data monitored is transferred in computer and carry out software analysis process.
2. a kind of chain processing lubricating oil product quality monitoring system according to claim 1, it is characterized in that: described potentiostat comprises amplifier A, digital analog converter A, protection for feed line measure and control device A, electric capacity A, resistance A and bipolar electrode test-strips, and wherein the output terminal of amplifier A is connected with electric capacity A negative pole end and resistance A one end respectively; The reverse input end of amplifier A is connected with electric capacity A positive terminal, the resistance A other end and bipolar electrode test-strips working end respectively, described bipolar electrode test-strips counter end grounding connection; The input end in the same way of amplifier A is connected with the output terminal of digital analog converter A, and the input end of digital analog converter A is connected with protection for feed line measure and control device A.
3. a kind of chain processing lubricating oil product quality monitoring system according to claim 2, is characterized in that: described bipolar electrode test-strips adopts the deserted electrode of printing.
4. a kind of chain processing lubricating oil product quality monitoring system according to claim 1, it is characterized in that: described potentiostat comprises amplifier B, digital analog converter B, protection for feed line measure and control device B, electric capacity B, resistance B, amplifier C, digital analog converter C, protection for feed line measure and control device C and three electrode test bars, and wherein the output terminal of amplifier B is connected with electric capacity B negative pole end and resistance B one end respectively; The reverse input end of amplifier B is connected with electric capacity B positive terminal, the resistance B other end and three electrode test bar working electrodes respectively; The input end in the same way of amplifier B is connected with the output terminal of digital analog converter B, and the input end of digital analog converter B is connected with protection for feed line measure and control device B; The reference electrode of described three electrode test bars is connected with the reverse input end of amplifier C, and the counter electrode of described three electrode test bars is connected with the output terminal of amplifier C; The input end in the same way of amplifier C is connected with the output terminal of digital analog converter C, and the input end of digital analog converter C is connected with protection for feed line measure and control device B.
5. a kind of chain processing lubricating oil product quality monitoring system according to claim 4, is characterized in that: described three electrode test strip adoptions print deserted electrode.
6. a kind of chain processing lubricating oil product quality monitoring system according to claim 1, is characterized in that: described activating agent is lauryl alcohol sulfate ammonium salt activating agent or the Triton X-100 activating agent of collocation lauryl ammonium sulfuric acid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031983.4A CN105486735A (en) | 2016-01-19 | 2016-01-19 | Quality monitoring system for lubricating oil for chain machining |
| TW106100296A TWI649548B (en) | 2016-01-19 | 2017-01-05 | Detection system and method for industrial oil products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031983.4A CN105486735A (en) | 2016-01-19 | 2016-01-19 | Quality monitoring system for lubricating oil for chain machining |
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| Publication Number | Publication Date |
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| CN105486735A true CN105486735A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610031983.4A Pending CN105486735A (en) | 2016-01-19 | 2016-01-19 | Quality monitoring system for lubricating oil for chain machining |
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| CN (1) | CN105486735A (en) |
| TW (1) | TWI649548B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109073583A (en) * | 2016-04-21 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | It is sensed using the fluid properties of electrode |
| CN115061523A (en) * | 2022-05-20 | 2022-09-16 | 山西大学 | Portable high-resolution constant potential system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791374A (en) * | 1986-12-12 | 1988-12-13 | The Lubrizol Corporation | Acid sensor |
| CN102507715A (en) * | 2011-11-14 | 2012-06-20 | 湖南省湘电试验研究院有限公司 | Method for detecting antioxidant of electric oil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI475220B (en) * | 2012-10-31 | 2015-03-01 | Univ Nat Taiwan | Simple oil quality detector and method for detecting oil quality |
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2016
- 2016-01-19 CN CN201610031983.4A patent/CN105486735A/en active Pending
-
2017
- 2017-01-05 TW TW106100296A patent/TWI649548B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791374A (en) * | 1986-12-12 | 1988-12-13 | The Lubrizol Corporation | Acid sensor |
| CN102507715A (en) * | 2011-11-14 | 2012-06-20 | 湖南省湘电试验研究院有限公司 | Method for detecting antioxidant of electric oil |
Non-Patent Citations (4)
| Title |
|---|
| M.SOLEIMANI ET.AL: "Engine oil acidity detection using solid state ion selective electrodes", 《TRIBOLOGY INTERNATIONAL》 * |
| MATTHEW F ET.AL: "Iridium oxide sensors for acidity and basicity detection in industrial lubricants", 《SENSORS AND ACTUATORS B: CHEMICAL》 * |
| SIMON S. WANG ET.AL: "Microelectrode arrays for lubricant studies", 《JOURNAL OF THE ELECTROCHEMICAL SOCIETY》 * |
| SOLEIMANI, MOSTAFA: "Thick film sensors for engine oil acidity detection", 《UNIVERSITY OF SOUTHAMPTON INSTITUTIONAL REPOSITORY》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109073583A (en) * | 2016-04-21 | 2018-12-21 | 惠普发展公司，有限责任合伙企业 | It is sensed using the fluid properties of electrode |
| US11009383B2 (en) | 2016-04-21 | 2021-05-18 | Hewlett-Packard Development Company, L.P. | Fluid property sensing with electrodes |
| CN115061523A (en) * | 2022-05-20 | 2022-09-16 | 山西大学 | Portable high-resolution constant potential system |
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| Publication number | Publication date |
|---|---|
| TW201727212A (en) | 2017-08-01 |
| TWI649548B (en) | 2019-02-01 |
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Inventor after: Wu Houde Inventor after: Qiu Guofeng Inventor after: Lv Huangzhi Inventor before: Wu Houde Inventor before: Qiu Guofeng Inventor before: Lv Huangming |
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Application publication date: 20160413 |
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