CN112749891A - Method and system for judging consistency of engine oil performance - Google Patents
Method and system for judging consistency of engine oil performance Download PDFInfo
- Publication number
- CN112749891A CN112749891A CN202110007794.4A CN202110007794A CN112749891A CN 112749891 A CN112749891 A CN 112749891A CN 202110007794 A CN202110007794 A CN 202110007794A CN 112749891 A CN112749891 A CN 112749891A
- Authority
- CN
- China
- Prior art keywords
- engine oil
- standard
- data
- performance
- consistency
- 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.)
- Pending
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 306
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 238000001559 infrared map Methods 0.000 claims abstract description 4
- 238000002835 absorbance Methods 0.000 claims description 24
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 16
- 239000011593 sulfur Substances 0.000 claims description 16
- 229910052717 sulfur Inorganic materials 0.000 claims description 16
- 230000004069 differentiation Effects 0.000 claims description 12
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 10
- 239000011777 magnesium Substances 0.000 claims description 10
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 9
- 239000011575 calcium Substances 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 239000011733 molybdenum Substances 0.000 claims description 9
- 238000002329 infrared spectrum Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000010998 test method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000002199 base oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
Abstract
The invention discloses a method and a system for judging the performance consistency of engine oil, which relate to the field of analysis of components and performance of the engine oil, and the method comprises the steps of obtaining performance index data of standard engine oil, wherein the performance index data comprises basic performance data, infrared map data and element content data; establishing a standard database based on performance index data of standard engine oil; testing to obtain performance index data of the engine oil to be tested, and comparing the performance index data obtained by testing with data in a standard database; and based on the comparison result, judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result. The invention can effectively judge the consistency of the engine oil, provides a powerful basis for the check of the engine oil, and avoids the damage to the engine caused by using false engine oil.
Description
Technical Field
The invention relates to the field of engine oil component and performance analysis, in particular to a method and a system for judging consistency of engine oil performance.
Background
Engine oil is a complex chemical product and is compounded by base oil and a plurality of lubricating oil additives. Before the engine oil enters a factory for use, the main factory needs to make a consistency judgment on the performance of the engine oil so as to avoid great damage to the engine caused by using false oil or oil with poor performance. The complexity of engine oil composition presents significant difficulties in engine oil performance consistency determinations.
Currently, in the judgment of the consistency of engine oil performance, the common practice is: and testing the basic performance parameters of the engine oil one by one, and if the indexes meet the requirements, judging that the performance of the engine oil meets the product quality requirements. The method for judging the consistency of the product through the basic performance test has certain deviation, because the same basic performance is achieved, the formulas of the used base oil and the used additive can be various, and the formula which meets the basic performance can not necessarily meet the actual service performance, so the consistency of the engine oil performance is judged through testing the basic performance, and the accuracy is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method and a system for judging the consistency of the performance of engine oil, which can effectively judge the consistency of the engine oil, provide a powerful basis for the check and acceptance of the engine oil and avoid the damage to an engine caused by using false engine oil.
In order to achieve the above object, the present invention provides a method for determining consistency of engine oil performance, comprising the steps of:
acquiring performance index data of standard engine oil, wherein the performance index data comprises basic performance data, infrared spectrum data and element content data;
establishing a standard database based on performance index data of standard engine oil;
testing to obtain performance index data of the engine oil to be tested, and comparing the performance index data obtained by testing with data in a standard database;
and based on the comparison result, judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result.
On the basis of the technical proposal, the device comprises a shell,
the base performance data includes kinematic viscosity, flash point, pour point, high temperature high shear viscosity, base number, evaporation loss, and sulfated ash;
the elements in the element content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
On the basis of the technical scheme, the performance index data obtained by testing is compared with the data in the standard database, and the method specifically comprises the following steps:
calculating the relative error of the basic performance data of the same item of the engine oil to be measured and the standard engine oil;
calculating to obtain a consistency index of the engine oil to be detected and the standard engine oil based on the infrared spectrogram of the engine oil to be detected and the infrared spectrogram of the standard engine oil;
and comparing the element types of the element content data of the engine oil to be detected and the standard engine oil, and calculating the relative error of the content of the same element.
On the basis of the technical scheme, the performance index data of the standard engine oil is obtained, wherein the basic performance data of the standard engine oil is obtained, and the method specifically comprises the following steps:
and measuring each basic performance data of the standard engine oil for preset times, calculating the average value, and taking the average value of each basic performance data obtained after the measurement for the preset times as the basic performance data of the standard engine oil.
On the basis of the technical scheme, the performance index data of the standard engine oil is obtained, wherein the element content data of the standard engine oil is obtained, and the method specifically comprises the following steps:
and measuring the content of each element in the standard engine oil element content data for a set number of times, calculating the average value, and taking the average value of the content of each element obtained after the measurement for the set number of times as the element content data of the standard engine oil.
On the basis of the technical scheme, the preset result is that the relative error of each basic performance data of the engine oil to be detected and the standard engine oil is smaller than the preset error, the consistency index of the engine oil to be detected and the standard engine oil is larger than the preset value, the element types of the element content data of the engine oil to be detected and the standard engine oil are the same, and the relative error of the content of each same element in the element content data of the engine oil to be detected and the standard engine oil is smaller than the set error.
On the basis of the technical scheme, the consistency index of the engine oil to be detected and the standard engine oil is calculated and obtained on the basis of the infrared spectrogram of the engine oil to be detected and the infrared spectrogram of the standard engine oil, and the method specifically comprises the following steps:
calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the standard engine oil;
calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the engine oil to be detected;
and calculating to obtain the consistency index of the engine oil to be detected and the standard engine oil based on the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil and the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the engine oil to be detected.
On the basis of the technical scheme, the consistency index of the engine oil to be measured and the standard engine oil is obtained through calculation, and the specific calculation formula is as follows:
wherein CI represents the consistency index of the engine oil to be tested and the standard engine oil, averge represents the average value calculation function, y 'represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, dy' represents the differentiation of y ', x' represents the wavelength point in the infrared spectrogram of the engine oil to be tested, dx 'represents the differentiation of x', sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, y represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil, dy represents the differentiation of y, x represents the wavelength point in the infrared spectrogram of the standard engine oil, dx represents the differentiation of x, and sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil.
The invention provides an engine oil performance consistency determination system, comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring performance index data of standard engine oil, and the performance index data comprises basic performance data, infrared map data and element content data;
the system comprises an establishing module, a database processing module and a database processing module, wherein the establishing module is used for establishing a standard database based on performance index data of standard engine oil;
the test module is used for testing to obtain performance index data of the engine oil to be tested and comparing the performance index data obtained by the test with data in a standard database;
and the judging module is used for judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result based on the comparison result.
On the basis of the technical proposal, the device comprises a shell,
the base performance data includes kinematic viscosity, flash point, pour point, high temperature high shear viscosity, base number, evaporation loss, and sulfated ash;
the elements in the element content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
Compared with the prior art, the invention has the advantages that: the performance index data of the standard engine oil and the performance index data of the engine oil to be detected are obtained, and the performance data, the infrared spectrum data and the element content data of the standard engine oil and the engine oil to be detected are compared, so that the consistency of the engine oil is effectively judged, a powerful basis is provided for the check and acceptance of the engine oil, and the damage to an engine caused by using false engine oil is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of a method for determining consistency of engine oil performance in accordance with an embodiment of the present invention;
FIG. 2 is a flowchart illustrating comparison of performance index data of engine oil to be tested and standard engine oil according to an embodiment of the present invention;
FIG. 3 is an IR spectrum of a standard engine oil in an example of the present invention;
FIG. 4 is an IR spectrum of an engine oil under test according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method for judging the consistency of engine oil performance, which is characterized in that the consistency of the engine oil is effectively judged by comparing performance data, infrared spectrum data and element content data of standard engine oil and engine oil to be detected, a powerful basis is provided for the check and acceptance of the engine oil, and damage to an engine caused by using false engine oil is avoided. The embodiment of the invention correspondingly provides an engine oil performance consistency judging system.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a method for determining consistency of engine oil performance according to an embodiment of the present invention specifically includes the following steps:
s1: the method comprises the steps of obtaining performance index data of standard engine oil, wherein the performance index data comprise basic performance data, infrared spectrum data and element content data. The standard engine oil is real engine oil. The base performance data included kinematic viscosity, flash point, pour point, high temperature high shear viscosity, base number, evaporation loss, and sulfated ash; the elements in the elemental content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
In the embodiment of the invention, the kinematic viscosity of the engine oil is measured by a GB/T265 test method at 100 ℃, and the unit of the kinematic viscosity is mm2And s. The flash point of an engine oil is measured in open state by the test method of GB/T3536, the flash point being given in degrees C. The pour point of an engine oil is measured by the GB/T3535 test method and is reported in degrees Celsius. The high temperature high shear viscosity of the engine oil was measured at 150 ℃ by the SH/T0618 test method, the test time was 106s-1 and the unit of the high temperature high shear viscosity was mPa.s. The base number of the engine oil is calculated based on KOH and measured by an SH/T0251 test method, and the unit of the base number is mg/g. Evaporative loss of engine oil is measured by the Noak method of the SH/T0059 test method and the evaporative loss is expressed in% or mass fraction. The sulphated ash of the engine oil is measured by the GB/T2433 test method and has units of sulphated ash.
In the embodiment of the invention, in the element content data, the content of sulfur element is measured by GB/T11140 test method, the content of phosphorus element is measured by ASTM D6595 test method, the content of boron element is measured by ASTM D6595 test method, the content of calcium element is measured by ASTM D6595 test method, the content of zinc element is measured by ASTM D6595 test method, the content of magnesium element is measured by ASTM D6595 test method, and the content of molybdenum element is measured by ASTM D6595 test method.
S2: establishing a standard database based on performance index data of standard engine oil;
s3: testing to obtain performance index data of the engine oil to be tested, and comparing the performance index data obtained by testing with data in a standard database;
s4: and based on the comparison result, judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result. And when the engine oil to be tested meets the consistency requirement, indicating that the engine oil to be tested is real engine oil, and otherwise, indicating that the engine oil to be tested is false engine oil.
In the embodiment of the invention, the performance index data obtained by testing is compared with the data in the standard database, and the specific steps comprise:
s301: calculating the relative error of the basic performance data of the same item of the engine oil to be measured and the standard engine oil; for example, for kinematic viscosity in the base performance data, the relative error between the kinematic viscosity of the engine oil under test and that of the standard engine oil is calculated.
S302: calculating to obtain a consistency index of the engine oil to be detected and the standard engine oil based on the infrared spectrogram of the engine oil to be detected and the infrared spectrogram of the standard engine oil;
s303: and comparing the element types of the element content data of the engine oil to be detected and the standard engine oil, and calculating the relative error of the content of the same element. That is, comparing whether the engine oil to be tested contains sulfur, phosphorus, boron, calcium, zinc, magnesium and molybdenum elements as the same as the standard engine oil, and calculating the relative error of the contents of the same elements, for example, calculating the relative error between the content of the sulfur element in the engine oil to be tested and the content of the sulfur element in the standard engine oil.
In the embodiment of the invention, performance index data of standard engine oil is obtained, wherein basic performance data of the standard engine oil is obtained, and the method specifically comprises the following steps: and measuring each basic performance data of the standard engine oil for preset times, calculating the average value, and taking the average value of each basic performance data obtained after the measurement for the preset times as the basic performance data of the standard engine oil. For example, for the kinematic viscosity in the standard engine oil basic performance data, the kinematic viscosity of the standard engine oil is measured for a plurality of times, and the average value of the kinematic viscosity obtained by the plurality of measurements is used as the parameter value of the kinematic viscosity in the standard engine basic performance data.
In the embodiment of the invention, performance index data of standard engine oil is obtained, wherein the element content data of the standard engine oil is obtained, and the method comprises the following specific steps: and measuring the content of each element in the standard engine oil element content data for a set number of times, calculating the average value, and taking the average value of the content of each element obtained after the measurement for the set number of times as the element content data of the standard engine oil. For example, for the sulfur element content in the standard engine oil element content data, the sulfur element content in the standard engine oil is measured for a plurality of times, and the average value of the sulfur element content obtained by the plurality of times of measurement is used as the sulfur element content parameter value in the standard engine oil element content data. In the embodiment of the present invention, the preset number of times and the set number of times may be both 3.
In the embodiment of the invention, the preset result is that the relative error of each basic performance data of the engine oil to be detected and the standard engine oil is smaller than the preset error, the consistency index of the engine oil to be detected and the standard engine oil is larger than the preset value, the element types of the element content data of the engine oil to be detected and the standard engine oil are the same, and the relative error of the content of each identical element in the element content data of the engine oil to be detected and the standard engine oil is smaller than the set error. The preset value may be 80.
The relative error of each basic performance data of the engine oil to be tested and the standard engine oil is smaller than the preset error, which means that the relative errors of kinematic viscosity, flash point, pour point, high-temperature high-shear viscosity, base number, evaporation loss and sulfated ash between the engine oil to be tested and the standard engine oil are smaller than the preset error, and the preset error can be 50%.
The element types of the element content data of the engine oil to be tested are the same as those of the standard engine oil, and the engine oil to be tested and the standard engine oil all contain sulfur, phosphorus, boron, calcium, zinc, magnesium and molybdenum elements.
The relative error of the content of each identical element in the element content data of the engine oil to be tested and the standard engine oil is smaller than the set error, which means that the relative error of the content of sulfur, phosphorus, boron, calcium, zinc, magnesium and molybdenum elements between the engine oil to be tested and the standard engine oil is smaller than the set error, and the set error can be 5%.
In the embodiment of the invention, the consistency index of the engine oil to be detected and the standard engine oil is calculated and obtained based on the infrared spectrogram of the engine oil to be detected and the infrared spectrogram of the standard engine oil, and the method specifically comprises the following steps:
s3021: calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the standard engine oil;
s3022: calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the engine oil to be detected;
s3023: and calculating to obtain the consistency index of the engine oil to be detected and the standard engine oil based on the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil and the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the engine oil to be detected.
In the embodiment of the invention, the consistency index of the engine oil to be measured and the standard engine oil is obtained by calculation, and the specific calculation formula is as follows:
wherein CI represents the consistency index of the engine oil to be tested and the standard engine oil, averge represents the average value calculation function, y 'represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, dy' represents the differentiation of y ', x' represents the wavelength point in the infrared spectrogram of the engine oil to be tested, dx 'represents the differentiation of x', sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, y represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil, dy represents the differentiation of y, x represents the wavelength point in the infrared spectrogram of the standard engine oil, dx represents the differentiation of x, and sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil.
Referring to fig. 2, a specific comparison process of the performance index data of the engine oil to be tested and the standard engine oil in the embodiment of the present invention is described below.
A: comparing the basic performance data of the engine oil to be tested with the basic performance data of the standard engine oil, and turning to B;
b: judging whether the relative errors of the basic performance data of the engine oil to be detected and the standard engine oil are smaller than a preset error, if so, turning to C, and if not, turning to H;
c: calculating the consistency index of the engine oil to be measured and the standard engine oil, and turning to D;
d: judging whether the consistency index of the engine oil to be detected and the standard engine oil is larger than a preset value or not, if so, turning to E, and if not, turning to H;
e: comparing the element content data of the engine oil to be detected with the element content data of the standard engine oil, and turning to F;
f: judging whether the relative error of the content of each identical element in the element content data of the engine oil to be detected and the standard engine oil is smaller than a set error, if so, turning to G, and if not, turning to H;
g: the engine oil to be tested is true;
h: the engine oil to be tested is false.
The method for determining consistency of engine oil performance according to the embodiment of the present invention is specifically described below with reference to an example.
Firstly, the relative error of each basic performance data of the engine oil to be tested and the standard engine oil is calculated, and the specific calculation result of the relative error of the basic performance data between the engine oil to be tested and the standard engine oil is shown in the following table 1.
TABLE 1
As can be seen from table 1, the relative error of each basic performance data of the engine oil to be tested and the standard engine oil is smaller than the preset error, so that the consistency index of the engine oil to be tested and the standard engine oil is calculated next, the infrared spectrogram of the standard engine oil is shown in fig. 3, and the infrared spectrogram of the engine oil to be tested is shown in fig. 4.
And (3) calculating to obtain the consistency index of the engine oil to be detected and the standard engine oil:
because the consistency index of the engine oil to be measured and the standard engine oil is greater than the preset value, the relative error of the content of each identical element in the element content data of the engine oil to be measured and the standard engine oil is calculated, and the calculated relative error of the content of each identical element in the element content data of the engine oil to be measured and the standard engine oil is shown in the following table 2:
TABLE 2
As can be seen from table 2, the relative error of the content of each identical element in the elemental content data of the engine oil to be tested and the standard engine oil is smaller than the set error, and the types of the elements in the elemental content data of the engine oil to be tested and the standard engine oil are identical, so that it can be determined that the engine oil to be tested is the true engine oil.
According to the method for judging the consistency of the engine oil performance, disclosed by the embodiment of the invention, the performance index data of the standard engine oil and the performance index data of the engine oil to be detected are obtained, and the performance data, the infrared spectrum data and the element content data of the standard engine oil and the engine oil to be detected are compared, so that the consistency of the engine oil is effectively judged, a powerful basis is provided for the check and acceptance of the engine oil, and the damage to an engine caused by using false engine oil is avoided.
The invention provides a system for judging consistency of engine oil performance, which comprises an acquisition module, an establishment module, a test module and a judgment module.
The acquisition module is used for acquiring performance index data of standard engine oil, wherein the performance index data comprises basic performance data, infrared map data and element content data; the establishing module is used for establishing a standard database based on the performance index data of the standard engine oil; the test module is used for testing to obtain performance index data of the engine oil to be tested and comparing the performance index data obtained by the test with data in a standard database; the judgment module is used for judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result based on the comparison result.
In the embodiment of the invention, the basic performance data comprises kinematic viscosity, flash point, pour point, high-temperature high-shear viscosity, base number, evaporation loss and sulfated ash; the elements in the elemental content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (10)
1. A method for determining consistency of engine oil performance, comprising the steps of:
acquiring performance index data of standard engine oil, wherein the performance index data comprises basic performance data, infrared spectrum data and element content data;
establishing a standard database based on performance index data of standard engine oil;
testing to obtain performance index data of the engine oil to be tested, and comparing the performance index data obtained by testing with data in a standard database;
and based on the comparison result, judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result.
2. The engine oil performance consistency determination method according to claim 1, characterized by comprising:
the base performance data includes kinematic viscosity, flash point, pour point, high temperature high shear viscosity, base number, evaporation loss, and sulfated ash;
the elements in the element content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
3. The method for determining the consistency of the engine oil performances according to claim 2, wherein the comparing the performance index data obtained by the test with the data in the standard database comprises the following specific steps:
calculating the relative error of the basic performance data of the same item of the engine oil to be measured and the standard engine oil;
calculating to obtain a consistency index of the engine oil to be detected and the standard engine oil based on the infrared spectrogram of the engine oil to be detected and the infrared spectrogram of the standard engine oil;
and comparing the element types of the element content data of the engine oil to be detected and the standard engine oil, and calculating the relative error of the content of the same element.
4. The method for determining consistency of engine oil performance according to claim 3, wherein the step of obtaining performance index data of a standard engine oil, wherein obtaining basic performance data of the standard engine oil, comprises the steps of:
and measuring each basic performance data of the standard engine oil for preset times, calculating the average value, and taking the average value of each basic performance data obtained after the measurement for the preset times as the basic performance data of the standard engine oil.
5. The method for determining the consistency of the engine oil performance according to claim 3, wherein the step of obtaining the performance index data of the standard engine oil comprises the following steps of:
and measuring the content of each element in the standard engine oil element content data for a set number of times, calculating the average value, and taking the average value of the content of each element obtained after the measurement for the set number of times as the element content data of the standard engine oil.
6. The engine oil performance consistency determination method according to claim 3, characterized by comprising: the preset result is that the relative error of each basic performance data of the engine oil to be detected and the standard engine oil is smaller than the preset error, the consistency index of the engine oil to be detected and the standard engine oil is larger than the preset value, the element types of the element content data of the engine oil to be detected and the standard engine oil are the same, and the relative error of the content of each same element in the element content data of the engine oil to be detected and the standard engine oil is smaller than the set error.
7. The method for determining the consistency of the engine oil performance as claimed in claim 3, wherein the consistency index of the engine oil to be measured and the standard engine oil is calculated and obtained based on the infrared spectrogram of the engine oil to be measured and the infrared spectrogram of the standard engine oil, and the specific steps include:
calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the standard engine oil;
calculating the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil according to the infrared spectrogram of the engine oil to be detected;
and calculating to obtain the consistency index of the engine oil to be detected and the standard engine oil based on the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the standard engine oil and the average value and the standard deviation of the absorbance of each wavelength point in the infrared spectrogram of the engine oil to be detected.
8. The method for determining the consistency of engine oil performance according to claim 7, wherein the consistency index of the engine oil to be measured and the standard engine oil is obtained by calculation, and the specific calculation formula is as follows:
wherein CI represents the consistency index of the engine oil to be tested and the standard engine oil, averge represents the average value calculation function, y 'represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, dy' represents the differentiation of y ', x' represents the wavelength point in the infrared spectrogram of the engine oil to be tested, dx 'represents the differentiation of x', sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the engine oil to be tested, y represents the average value of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil, dy represents the differentiation of y, x represents the wavelength point in the infrared spectrogram of the standard engine oil, dx represents the differentiation of x, and sigma represents the standard deviation of the absorbance of the wavelength point in the infrared spectrogram of the standard engine oil.
9. An engine oil performance consistency determination system characterized by comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring performance index data of standard engine oil, and the performance index data comprises basic performance data, infrared map data and element content data;
the system comprises an establishing module, a database processing module and a database processing module, wherein the establishing module is used for establishing a standard database based on performance index data of standard engine oil;
the test module is used for testing to obtain performance index data of the engine oil to be tested and comparing the performance index data obtained by the test with data in a standard database;
and the judging module is used for judging that the engine oil to be detected meets the consistency requirement only when the comparison result is a preset result based on the comparison result.
10. The engine oil performance consistency determination system according to claim 9, characterized in that:
the base performance data includes kinematic viscosity, flash point, pour point, high temperature high shear viscosity, base number, evaporation loss, and sulfated ash;
the elements in the element content data include sulfur, phosphorus, boron, calcium, zinc, magnesium, and molybdenum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007794.4A CN112749891A (en) | 2021-01-05 | 2021-01-05 | Method and system for judging consistency of engine oil performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007794.4A CN112749891A (en) | 2021-01-05 | 2021-01-05 | Method and system for judging consistency of engine oil performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112749891A true CN112749891A (en) | 2021-05-04 |
Family
ID=75649905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110007794.4A Pending CN112749891A (en) | 2021-01-05 | 2021-01-05 | Method and system for judging consistency of engine oil performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112749891A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806794A (en) * | 2010-03-31 | 2010-08-18 | 中国人民解放军总后勤部油料研究所 | Quick identification method of engine lubricating oil types |
| CN102788755A (en) * | 2012-08-31 | 2012-11-21 | 史永刚 | Engine lubricating oil identification method based on characteristic elements |
| CN103323421A (en) * | 2013-07-10 | 2013-09-25 | 中国人民解放军海军后勤技术装备研究所 | Method for identifying engine lubricating oil infrared fingerprint spectrogram |
| CN103884675A (en) * | 2014-03-25 | 2014-06-25 | 史永刚 | Engine lubricating oil recognition algorithm based on infrared spectrum |
-
2021
- 2021-01-05 CN CN202110007794.4A patent/CN112749891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806794A (en) * | 2010-03-31 | 2010-08-18 | 中国人民解放军总后勤部油料研究所 | Quick identification method of engine lubricating oil types |
| CN102788755A (en) * | 2012-08-31 | 2012-11-21 | 史永刚 | Engine lubricating oil identification method based on characteristic elements |
| CN103323421A (en) * | 2013-07-10 | 2013-09-25 | 中国人民解放军海军后勤技术装备研究所 | Method for identifying engine lubricating oil infrared fingerprint spectrogram |
| CN103884675A (en) * | 2014-03-25 | 2014-06-25 | 史永刚 | Engine lubricating oil recognition algorithm based on infrared spectrum |
Non-Patent Citations (1)
| Title |
|---|
| 岳聪伟等: "在用润滑油性能指标的红外光谱技术分析研究", 《广州化工》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426307B (en) | A kind of quick life assessment method based on short-term testing data of life-span | |
| CN106487462B (en) | A kind of insertion loss test method and system | |
| Fernández-Canteli et al. | A probabilistic interpretation of the Miner number for fatigue life prediction | |
| CN106483042B (en) | Method for measuring gasoline dilution rate of engine oil | |
| CN110601776B (en) | Vehicle-mounted wireless module performance test method and system | |
| KR20120098390A (en) | Inspection system, control server, inspection apparatus and control method of inspection data | |
| CN111351789B (en) | Method, system and electronic device for detecting/maintaining equipment | |
| CN114813757A (en) | Full-angle appearance detection method and device for plastic product | |
| CN112749891A (en) | Method and system for judging consistency of engine oil performance | |
| CN108280277B (en) | Loss algorithm of transmission line changing with temperature | |
| CN103913150A (en) | Consistency detection method for electron components of intelligent ammeter | |
| CN109488473B (en) | Online prejudgment system and online prejudgment method of engine | |
| CN110546657A (en) | Method and apparatus for assessing the lifecycle of a component | |
| CN111064507A (en) | Method and device for detecting length of optical fiber link and terminal equipment | |
| CN116071335A (en) | Wall surface acceptance method, device, equipment and storage medium | |
| CN115792583A (en) | Test method, device, equipment and medium for vehicle gauge chip | |
| CN111640096B (en) | Method, device and terminal for detecting appearance of electronic product | |
| CN115272258A (en) | Metal cylindrical surface defect detection method, system and medium based on machine vision | |
| CN114218430A (en) | Remote cooperative equipment operation and maintenance system, method and device | |
| RU2704583C1 (en) | Aircraft gas turbine engine test method | |
| JP2015114214A (en) | Mobile terminal-utilizing checkup system, and checkup method, for rotary machine components | |
| CN113704871A (en) | Wheel bending fatigue determination method and device, terminal device and medium | |
| WO2021031347A1 (en) | Method and apparatus for testing dielectric constant | |
| CN105531726A (en) | Product sampling inspection method, apparatus and system | |
| Cox et al. | Discrete-event simulation of process control in low volume high value industries |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210504 |