CN114689824A - On-line detection method and detection device for sulfur content of automobile oil - Google Patents
On-line detection method and detection device for sulfur content of automobile oil Download PDFInfo
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 295
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 295
- 239000011593 sulfur Substances 0.000 title claims abstract description 295
- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 239000003921 oil Substances 0.000 claims abstract description 361
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 44
- 230000009471 action Effects 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 10
- 239000002808 molecular sieve Substances 0.000 claims description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 abstract description 17
- 230000008859 change Effects 0.000 abstract description 13
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- 239000007788 liquid Substances 0.000 description 7
- 239000002283 diesel fuel Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 6
- 239000002828 fuel tank Substances 0.000 description 5
- 238000003745 diagnosis Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
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- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/287—Sulfur content
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Abstract
The application provides an online detection method and a detection device for sulfur content of automobile oil, wherein the method comprises the following steps: firstly, controlling a separation device to separate automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different; then, controlling a plurality of working electrodes to test corresponding prepared automobile oil, calculating to obtain prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; and finally, determining the sulfur content of the automobile oil to be detected according to the plurality of prepared sulfur contents. The working electrodes ensure that the sulfur content detection accuracy is higher, the sulfur content of the automobile oil can be rapidly detected on line, the defect that the existing off-line detection method cannot monitor the quality of the automobile oil in real time is overcome, and the problems of standard discharge exceeding, engine part corrosion and oil change period shortening caused by untimely monitoring are solved.
Description
Technical Field
The application relates to the field of automobile oil, in particular to an online detection method for sulfur content of automobile oil, a detection device, a computer readable storage medium, a processor and online detection equipment for sulfur content of automobile oil.
Background
At present, under the condition that users use unqualified diesel oil produced in a small workshop, a plurality of dangers exist, on one hand, the sulfur content of the diesel oil is high, and sulfides in tail gas generated by combustion can poison a post-treatment catalyst, so that the emission exceeds the standard; on the other hand, active sulfur can directly corrode metal, and no matter active sulfide or inactive sulfide, sulfur dioxide and sulfur trioxide generated after combustion meet water and water vapor generated by combustion, sulfurous acid and sulfuric acid can be formed at high temperature, and engine parts are seriously corroded; on the other hand, the acid substances can cause the total base number of the engine oil to be reduced quickly, and the oil change period is greatly shortened. Because the sulfur-containing molecules in diesel oil are various, the traditional electrochemical sensor cannot accurately identify the total sulfur content in the diesel oil, and the traditional sulfur content detector has the defects of large volume, high price and incapability of carrying out online detection on the sulfur content of the diesel oil added by a user, the online rapid detection method for the sulfur content in the diesel oil is urgently needed, a corresponding control strategy is developed, the protection of an engine is realized, and the problem that the sulfur content cannot be rapidly detected online is solved.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main objective of the present application is to provide an online detection method for sulfur content of automotive oil, a detection device thereof, a computer readable storage medium, a processor, and an online detection apparatus for sulfur content of automotive oil, so as to solve the problem in the prior art that the sulfur content of automotive oil cannot be detected quickly on line.
According to an aspect of an embodiment of the present invention, there is provided an online detection method of a sulfur content of an automotive oil, the method including: controlling a separation device to separate the automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different; controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; and determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents.
Optionally, before controlling the separation apparatus to separate the automotive oil to be measured into a plurality of preparatory automotive oils, the method further comprises: determining whether a vehicle is refueling or whether the vehicle completes a refueling maneuver; and under the condition that the automobile is determined to be refueling or the automobile finishes refueling, acquiring partial added oil to obtain the automobile oil to be tested.
Optionally, determining whether the vehicle is refueling or whether the vehicle completes a refueling action comprises: acquiring a current signal in real time, wherein the current signal is a signal generated by the rotation of an oil pump; determining whether the vehicle is refueling based on the current signal, determining that the vehicle is refueling if the current signal is greater than a predetermined threshold, and determining that the vehicle is not refueling if the current signal is less than or equal to the predetermined threshold; in the case that the automobile is determined to be refueling, determining whether a starting signal of the automobile is received, wherein the starting signal is a signal for representing the starting of the automobile; in the event that it is determined that the initiation signal is received, it is determined that the vehicle has completed the refueling action.
Optionally, controlling the separation apparatus to separate the automotive oil to be tested into a plurality of preparatory automotive oils includes: and controlling the separation equipment comprising the molecular sieves with different apertures to separate the oil for the automobile to be detected to obtain a plurality of prepared oil for the automobile.
Optionally, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating a prepared sulfur content according to a test result, including: controlling each working electrode and the corresponding reference electrode to be inserted into the prepared automobile oil; acquiring a voltage value between each working electrode and the corresponding reference electrode to obtain a plurality of voltage signals; and calculating the prepared sulfur content corresponding to each prepared automobile oil according to a plurality of voltage signals.
Optionally, after determining that the vehicle completes the refueling action, the method further comprises: obtaining refueling information, wherein the refueling information comprises position information of a refueling place and refueling time information; and sending a prompt signal and the refueling information under the condition that the sulfur content is greater than a preset value, wherein the prompt signal is a signal for prompting that the sulfur content of the added automobile oil exceeds the standard.
According to another aspect of the embodiments of the present invention, there is also provided an apparatus for online detecting sulfur content of automotive oil, the apparatus including a first control unit, a second control unit, and a first determination unit, wherein the first control unit is configured to control a separation device to separate automotive oil to be detected into a plurality of prepared automotive oils, and the prepared automotive oils are different in sulfur component; the second control unit is used for controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; the first determination unit is used for determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents.
According to yet another aspect of embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program is for executing any one of the methods.
According to yet another aspect of the embodiments of the present invention, there is also provided a processor for executing a program, where the program executes to perform any one of the methods.
According to another aspect of the embodiments of the present invention, there is also provided an on-line detection apparatus for sulfur content of automotive oil, the on-line detection apparatus being located in an oil tank of an automobile, the on-line detection apparatus comprising a separation apparatus, a plurality of working electrodes, and a controller, wherein the separation apparatus is configured to separate automotive oil to be measured into a plurality of prepared automotive oils, each of which has a different sulfur component; a plurality of said working electrodes for testing said prepared automotive oil for different sulfur compositions; the controller is configured to perform any of the methods described herein.
In the embodiment of the invention, in the online detection method of the sulfur content of the automobile oil, firstly, a separation device is controlled to separate the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; then, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; and finally, determining the sulfur content of the automobile oil to be detected according to the plurality of prepared sulfur contents. Compared with the problem that the sulfur content of the automobile oil cannot be rapidly detected on line in the prior art, the online detection method for the sulfur content of the automobile oil has the advantages that the separation equipment is used for separating the automobile oil into a plurality of prepared automobile oil, then the prepared automobile oil with different sulfur components corresponding to a plurality of working electrodes is controlled to be tested, the sulfur content in the prepared automobile oil with different sulfur components is calculated according to a test result, the sulfur content in the automobile oil is finally obtained, the prepared automobile oil with different sulfur contents can be detected by the plurality of working electrodes, the accuracy of the sulfur content detection is higher, the rapid online detection for the sulfur content of the automobile oil is ensured, the defect that the conventional offline detection method cannot be used for monitoring the automobile oil content in real time is overcome, and the problem that the emission exceeds the standard and the emission caused by untimely monitoring are avoided, Corrosion of engine parts and shortening of oil change cycle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a schematic flow diagram of a method for online detection of sulfur content of automotive oils according to an embodiment of the present application;
FIG. 2 shows a schematic diagram of an apparatus for online detection of sulfur content of automotive oils according to an embodiment of the present application;
FIG. 3 shows a flow chart of online detection of sulfur content of automotive oils according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, 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 only partial 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As mentioned in the background art, in order to solve the above-mentioned problem that the sulfur content of the automotive oil cannot be rapidly detected online in the prior art, in an exemplary embodiment of the present application, an online detection method of the sulfur content of the automotive oil, a detection device thereof, a computer-readable storage medium, a processor, and an online detection apparatus of the sulfur content of the automotive oil are provided.
According to an embodiment of the application, an online detection method for sulfur content of automotive oil is provided.
FIG. 1 is a flow chart of a method for online detection of sulfur content of automotive oil according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, controlling separation equipment to separate automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different;
step S102, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components;
and step S103, determining the sulfur content of the automobile oil to be tested according to a plurality of prepared sulfur contents.
In the method for detecting the sulfur content of the automobile oil, firstly, separation equipment is controlled to separate the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; then, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; and finally, determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents. Compared with the problem that the sulfur content of the automobile oil cannot be detected quickly on line in the prior art, the method for detecting the sulfur content of the automobile oil comprises the steps of separating the automobile oil into a plurality of prepared automobile oil through the separation equipment, controlling a plurality of working electrodes to test the prepared automobile oil with different sulfur components, calculating the sulfur content of the prepared automobile oil with different sulfur components according to a test result, and finally obtaining the sulfur content of the automobile oil, wherein the plurality of working electrodes can detect the prepared automobile oil with different sulfur contents, so that the accuracy of detecting the sulfur content is high, the sulfur content of the automobile oil can be detected quickly on line, the defect that the existing off-line detection method cannot monitor the sulfur content of the automobile oil in real time is overcome, and the problem that the emission exceeds the standard due to untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
Specifically, the sensitivity of the working electrodes with different components to different sulfur-containing molecules is different, and the accuracy of detecting the sulfur content is higher by arranging a plurality of working electrodes.
According to an embodiment of the application, before controlling the separation apparatus to separate the automotive oil to be tested into a plurality of preparatory automotive oils, the method further comprises: determining whether the vehicle is refueling or whether the vehicle completes a refueling action; and under the condition that the automobile is determined to be refueling or the automobile finishes refueling, acquiring partial added oil to obtain the automobile oil to be tested. The method comprises the steps of obtaining the automobile oil to be detected under the condition that the automobile is determined to be refueling, ensuring that the automobile oil to be detected is just added oil, further ensuring that the accuracy of online detection of the sulfur content of the automobile oil is high, obtaining the automobile oil to be detected under the condition that the automobile completes the refueling action, avoiding the influence of foam generated in the refueling process on the detection result of the sulfur content, further ensuring that the accuracy of online detection of the sulfur content of the automobile oil is high, ensuring that the sulfur content of the automobile oil can be rapidly detected online, and avoiding the problems of excessive emission, engine part corrosion and oil change period shortening caused by untimely monitoring.
According to another embodiment of the present application, determining whether a vehicle is being refueled or whether the vehicle has completed a refueling maneuver comprises: acquiring a current signal in real time, wherein the current signal is a signal generated by the rotation of an oil pump; determining whether said vehicle is refueling based on said current signal, determining that said vehicle is refueling if said current signal is greater than a predetermined threshold, and determining that said vehicle is not refueling if said current signal is less than or equal to said predetermined threshold; determining whether a start signal of the vehicle is received under the condition that the vehicle is refueled, wherein the start signal is a signal representing the start of the vehicle; and determining that the vehicle has completed the refueling action in the case that the start signal is determined to be received. Whether the current signal generated when the oil pump rotates is larger than the preset threshold value or not is determined, whether the accuracy of determining whether the automobile is in a refueling state is high or not is guaranteed, whether the automobile oil to be detected acquired when the automobile is determined to be in the refueling state is the newly-added automobile oil is guaranteed, the accuracy of detecting the sulfur content of the automobile oil on line is further guaranteed to be high, whether the automobile finishes refueling action or not can be timely determined by determining whether the starting signal is received or not, the influence of foam generated in the refueling process on the detection result of the sulfur content is avoided, the accuracy of detecting the sulfur content of the automobile oil on line is further guaranteed to be high, and the sulfur content of the automobile oil can be quickly detected on line is further guaranteed.
In a specific embodiment, in addition to determining whether the vehicle is in the refueling state through the current signal generated by the rotation of the oil pump, a liquid level sensor may be disposed in a fuel tank of the vehicle, and the vehicle may be determined to be in the refueling state by monitoring a liquid level in the fuel tank and increasing the liquid level beyond a certain value.
Specifically, the current signal generated by the rotation of the oil pump can be used for charging an energy storage device, and the energy storage device can ensure that the automobile can perform the detection action of the sulfur content in the parking stage.
In order to further ensure that the detection accuracy of the sulfur content is high, according to another embodiment of the present application, the controlling a separation apparatus to separate the automotive oil to be detected into a plurality of preparatory automotive oils includes: and controlling the separation equipment comprising the molecular sieves with different pore diameters to separate the oil for the automobile to be detected to obtain a plurality of prepared automobile oils. The separation equipment comprising the molecular sieves with different apertures is controlled to separate the automobile oil to be detected to obtain a plurality of prepared automobile oils, so that the prepared automobile oils with different sulfur components are ensured to be higher in accuracy, and the automobile oil is further ensured to be higher in accuracy of the sulfur content.
According to an embodiment of the present application, controlling a plurality of working electrodes to test the prepared automotive oil, and calculating the prepared sulfur content according to the test result, includes: controlling each working electrode and corresponding reference electrode to be inserted into the prepared automobile oil; obtaining a voltage value between each working electrode and the corresponding reference electrode to obtain a plurality of voltage signals; and calculating the preliminary sulfur content corresponding to each of the preliminary automobile oils based on the plurality of voltage signals. The working electrodes and the reference electrode are controlled to be inserted into the prepared automobile oil, a plurality of voltage signals are obtained, and a plurality of prepared sulfur contents are calculated according to the voltage signals, so that the high accuracy of the sulfur contents of the automobile oil is further ensured.
The reference electrode and the working electrode form a voltage testing loop in the measuring process to provide stable potential for the working electrode, and the reference electrode is characterized in that the potential is constant under the conditions of constant temperature and constant voltage.
According to another specific embodiment of the present application, after determining that the vehicle completes the refueling action, the method further includes: obtaining refueling information, wherein the refueling information comprises position information of a refueling place and refueling time information; and sending a prompt signal and the refueling information under the condition that the sulfur content is greater than a preset value, wherein the prompt signal is a signal for prompting that the sulfur content of the added automobile oil exceeds the standard. By acquiring the refueling information and sending the prompt information and the refueling information under the condition that the sulfur content is greater than the preset value, a user can timely perform corresponding pretreatment according to the prompt information and the refueling information, and the problems of excessive emission, corrosion of engine parts and shortening of oil change period caused by untimely monitoring are avoided.
Specifically, the user can determine that the sulfur content of the automobile oil of the gas station corresponding to the refueling information exceeds the standard according to the prompt information and the refueling information, provide evidence for subsequent fault analysis, provide position information for unqualified oil refining plants checked and located by relevant departments such as national environmental protection and the like, early warn the harm to an aftertreatment system caused by the exceeding of the sulfur content in advance, and roughly count the distribution level of the sulfur content of the automobile oil in different areas.
In a specific embodiment, since the sulfur content of the automotive oil in the current market is variable, the application specificity and the maintenance cost of high-power engines such as medium and heavy automobiles, special automobiles and ships are high, and the requirements of users on intellectualization and fault prediction diagnosis are higher and higher, the real-time monitoring of the sulfur content of the automotive oil is of great significance for reducing the loss of the engines and saving the cost of the users.
Specifically, in the case where the sulfur content is larger than the predetermined value, the diagnosis may be performed by an OBD (On Board Diagnostics); and under the condition that the sulfur content is not greater than the preset value, the automobile normally runs.
The embodiment of the present application further provides an apparatus for online detecting a sulfur content of automotive oil, and it should be noted that the apparatus for online detecting a sulfur content of automotive oil according to the embodiment of the present application can be used for executing the method for online detecting a sulfur content of automotive oil according to the embodiment of the present application. The following describes an apparatus for online detection of sulfur content in automotive oil according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an online detection device for sulfur content of automotive oil according to an embodiment of the present application. As shown in fig. 2, the apparatus includes a first control unit 10, a second control unit 20, and a first determination unit 30, wherein the first control unit 10 is configured to control a separation device to separate the automotive oil to be measured into a plurality of prepared automotive oils, each of which has a different sulfur component; the second control unit 20 is configured to control a plurality of working electrodes to test the corresponding prepared automotive oils, and calculate a prepared sulfur content according to a test result, where the prepared sulfur content is a sulfur content of each prepared automotive oil, and the plurality of working electrodes are used to test the prepared automotive oils having different sulfur components; the first determination unit 30 is configured to determine the sulfur content of the automotive oil to be tested based on a plurality of the preliminary sulfur contents.
In the online detection device for the sulfur content of the automobile oil, the first control unit controls the separation equipment to separate the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; controlling a plurality of working electrodes to test the corresponding prepared automobile oil through the second control unit, and calculating a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes are used for testing the prepared automobile oil with different sulfur components correspondingly; the first determination means determines the sulfur content of the automotive oil to be tested based on the plurality of preliminary sulfur contents. Compared with the problem that the sulfur content of the automobile oil cannot be detected quickly on line in the prior art, the device for detecting the sulfur content of the automobile oil has the advantages that the automobile oil is separated into the prepared automobile oil through the separation equipment, the prepared automobile oil with different sulfur components is detected by controlling the working electrodes, the sulfur content of the prepared automobile oil with different sulfur components is calculated according to the detection result, the sulfur content of the prepared automobile oil with different sulfur components is finally obtained, the prepared automobile oil with different sulfur contents can be detected by the working electrodes, the high accuracy of the detection of the sulfur content is guaranteed, the quick online detection of the sulfur content of the automobile oil is guaranteed, the defect that the existing offline detection method cannot monitor the sulfur content of the automobile oil in real time is overcome, and the problem that the emission exceeds the standard due to untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
Specifically, the sensitivity of the working electrodes with different components to different sulfur-containing molecules is different, and the accuracy of detecting the sulfur content is higher by arranging a plurality of working electrodes.
According to a specific embodiment of the present application, the apparatus further includes a second determining unit and a first obtaining unit, wherein the second determining unit is configured to determine whether the vehicle is refueling or whether the vehicle completes refueling before the separating device is controlled to separate the vehicle oil to be measured into a plurality of prepared vehicle oils; the first obtaining unit is used for obtaining part of added oil to obtain the automobile oil to be detected under the condition that the automobile is refueled or the automobile finishes the refueling action. The method comprises the steps of obtaining the automobile oil to be detected under the condition that the automobile is determined to be refueling, ensuring that the automobile oil to be detected is just added oil, further ensuring that the accuracy of online detection of the sulfur content of the automobile oil is high, obtaining the automobile oil to be detected under the condition that the automobile completes the refueling action, avoiding the influence of foam generated in the refueling process on the detection result of the sulfur content, further ensuring that the accuracy of online detection of the sulfur content of the automobile oil is high, ensuring that the sulfur content of the automobile oil can be rapidly detected online, and avoiding the problems of excessive emission, engine part corrosion and oil change period shortening caused by untimely monitoring.
According to another specific embodiment of the present application, the second determining unit includes a first obtaining module, a first determining module, a second determining module, and a third determining module, wherein the first obtaining module is configured to obtain a current signal in real time, and the current signal is a signal generated by rotation of the oil pump; the first determining module is used for determining whether the automobile is refueling according to the current signal, determining that the automobile is refueling when the current signal is greater than a preset threshold value, and determining that the automobile is not refueling when the current signal is less than or equal to the preset threshold value; the second determining module is used for determining whether a starting signal of the automobile is received or not under the condition that the automobile is determined to be refueling, wherein the starting signal is a signal for representing the starting of the automobile; the third determining module is configured to determine that the vehicle has completed the refueling maneuver if it is determined that the start signal is received. Whether the current signal generated when the oil pump rotates is larger than the preset threshold value or not is determined, whether the accuracy of determining whether the automobile is in a refueling state is high or not is guaranteed, whether the automobile oil to be detected acquired when the automobile is determined to be in the refueling state is the newly-added automobile oil is guaranteed, the accuracy of detecting the sulfur content of the automobile oil on line is further guaranteed to be high, whether the automobile finishes refueling action or not can be timely determined by determining whether the starting signal is received or not, the influence of foam generated in the refueling process on the detection result of the sulfur content is avoided, the accuracy of detecting the sulfur content of the automobile oil on line is further guaranteed to be high, and the sulfur content of the automobile oil can be quickly detected on line is further guaranteed.
In a specific embodiment, in addition to determining whether the vehicle is in the refueling state through the current signal generated by the rotation of the oil pump, a liquid level sensor may be disposed in a fuel tank of the vehicle, and the vehicle may be determined to be in the refueling state by monitoring a liquid level in the fuel tank and increasing the liquid level beyond a certain value.
Specifically, the current signal generated by the rotation of the oil pump can be used for charging an energy storage device, and the energy storage device can ensure that the automobile can perform the detection action of the sulfur content in the parking stage.
In order to further ensure that the detection accuracy of the sulfur content is high, according to another specific embodiment of the present application, the first control unit includes a first control module, and the first control module is configured to control the separation device including the molecular sieves with different pore sizes to separate the oil for the vehicle to be tested, so as to obtain a plurality of the prepared oil for the vehicle. The separation equipment comprising the molecular sieves with different apertures is controlled to separate the automobile oil to be detected to obtain a plurality of prepared automobile oils, so that the prepared automobile oils with different sulfur components are ensured to be higher in accuracy, and the automobile oil is further ensured to be higher in accuracy of the sulfur content.
According to an embodiment of the present application, the second control unit includes a second control module, a second obtaining module and a calculating module, wherein the second control module is configured to control each of the working electrodes and the corresponding reference electrode to be inserted into the prepared automotive oil; the second obtaining module is configured to obtain a voltage value between each working electrode and the corresponding reference electrode to obtain a plurality of voltage signals; the calculation module is configured to calculate the preliminary sulfur content corresponding to each of the preliminary automotive oils based on a plurality of the voltage signals. The working electrodes and the reference electrode are controlled to be inserted into the prepared automobile oil, a plurality of voltage signals are obtained, and a plurality of prepared sulfur contents are calculated according to the voltage signals, so that the high accuracy of the sulfur contents of the automobile oil is further ensured.
The reference electrode and the working electrode form a voltage testing loop in the measuring process to provide stable potential for the working electrode, and the reference electrode is characterized in that the potential is constant under the conditions of constant temperature and constant voltage.
According to another specific embodiment of the present application, the apparatus further includes a second obtaining unit and a sending unit, wherein the second obtaining unit is configured to obtain fueling information after determining that the vehicle completes a fueling action, and the fueling information includes location information of a fueling place and fueling time information; the sending unit is used for sending a prompt signal and the refueling information under the condition that the sulfur content is larger than a preset value, wherein the prompt signal is a signal for prompting that the sulfur content of the added automobile oil exceeds the standard. By acquiring the refueling information and sending the prompt information and the refueling information under the condition that the sulfur content is greater than the preset value, a user can timely perform corresponding pretreatment according to the prompt information and the refueling information, and the problems of excessive emission, corrosion of engine parts and shortening of oil change period caused by untimely monitoring are avoided.
Specifically, the user can determine that the sulfur content of the automobile oil of the gas station corresponding to the refueling information exceeds the standard according to the prompt information and the refueling information, provide evidence for subsequent fault analysis, provide position information for unqualified oil refining plants checked and located by relevant departments such as national environmental protection and the like, early warn the harm to an aftertreatment system caused by the exceeding of the sulfur content in advance, and roughly count the distribution level of the sulfur content of the automobile oil in different areas.
In a specific embodiment, since the sulfur content of the automotive oil in the current market is variable, the application specificity and the maintenance cost of high-power engines such as medium and heavy automobiles, special automobiles and ships are high, and the requirements of users on intellectualization and fault prediction diagnosis are higher and higher, the real-time monitoring of the sulfur content of the automotive oil is of great significance for reducing the loss of the engines and saving the cost of the users.
Specifically, in the case where the above-mentioned sulfur content is larger than the above-mentioned predetermined value, diagnosis can be performed by an OBD (On Board Diagnostics); and under the condition that the sulfur content is not greater than the preset value, the automobile normally runs.
The device for online detection of the sulfur content of the automotive oil comprises a processor and a memory, wherein the first control unit, the second control unit, the first determination unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more than one kernel can be set, and the problem that the sulfur content of the automobile oil cannot be rapidly detected on line in the prior art is solved by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a computer-readable storage medium, on which a program is stored, which, when being executed by a processor, implements the above-mentioned method for online detection of sulfur content of automotive oil.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program runs to execute the online detection method of the sulfur content of the automobile oil.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, controlling separation equipment to separate automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different;
step S102, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components;
and step S103, determining the sulfur content of the automobile oil to be tested according to a plurality of prepared sulfur contents.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, controlling separation equipment to separate automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different;
step S102, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes are used for testing the prepared automobile oil with different sulfur components correspondingly;
and step S103, determining the sulfur content of the automobile oil to be tested according to a plurality of prepared sulfur contents.
According to another exemplary embodiment of the present application, there is also provided an on-line detection apparatus for sulfur content of automotive oil, the on-line detection apparatus being located in an oil tank of an automobile, the on-line detection apparatus including a separation apparatus, a plurality of working electrodes, and a controller, wherein the separation apparatus is configured to separate automotive oil to be measured into a plurality of prepared automotive oils, each of the prepared automotive oils having a different sulfur component; a plurality of said working electrodes for testing said preparatory automotive oils for different sulfur compositions; the controller is configured to perform any of the methods described above.
The online detection equipment for the sulfur content of the automobile oil is positioned in an oil tank of an automobile and comprises separation equipment, a plurality of working electrodes and a controller, wherein the separation equipment is used for separating the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; a plurality of said working electrodes for testing said preparatory automotive oils for different sulfur compositions; the controller is configured to perform any of the methods described above. Compared with the problem that the sulfur content of the automobile oil cannot be rapidly detected on line in the prior art, the online detection device for the sulfur content of the automobile oil has the advantages that the automobile oil is separated into the prepared automobile oil through the separation device, the prepared automobile oil with different sulfur components is detected by controlling the working electrodes, the sulfur content of the prepared automobile oil with different sulfur components is calculated according to the test result, the sulfur content of the automobile oil is finally obtained, the prepared automobile oil with different sulfur contents can be detected by the working electrodes, the accuracy of detecting the sulfur content is high, the sulfur content of the automobile oil can be rapidly detected on line, the defect that the automobile oil quality cannot be monitored in real time through an existing offline detection method is overcome, and excessive emission caused by untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
Specifically, the online detection device further comprises an energy storage device, and the energy storage device can ensure that the automobile can perform the detection action of the sulfur content in a parking stage.
In a specific embodiment, after determining that the user refuels and finishes the refueling action, a valve on a fuel filler side of the automobile is closed and an oil pump is started, the filled automobile oil is pumped into the separation device, under the action of the separation device with different pore size molecular sieves, the automobile oil with different sulfur components is separated into a plurality of prepared automobile oils, and meanwhile, an oil release valve is opened when the automobile oil is filled to a certain pressure/sulfur content detection end, so that the fuel pressure in the separation device is ensured not to exceed a set value.
Fig. 3 is a flow chart showing the operation of the on-line measuring device for sulfur content of automotive oil, which will be described in detail with reference to fig. 3,
determining whether the automobile is in a refueling state according to whether a current signal generated by rotation of an oil pump is in a preset range or not or according to a liquid level sensor in a fuel tank;
under the condition that the automobile is in the refueling state, determining whether the automobile is started or not according to a starting signal of an engine, and recording refueling information;
feeding back the oiling information to the controller, and recording the oiling information by the controller and controlling an oil pump to supply power;
adding said automotive oil to said separation apparatus to obtain a plurality of said ready automotive oils;
ensuring that said reference electrode and said working electrode are inserted into said pre-automotive oil and determining whether the voltage between said reference electrode and said working electrode is stable;
under the condition that the voltage is stable, acquiring the voltage signal, and converting the series of voltage signals into sulfur content information of the automobile oil added at this time by the controller according to a recorded calculation formula;
judging whether the sulfur content is greater than a preset value;
and when the sulfur content is not greater than the preset value, the oil pump is powered off to stop working, and an oil discharge valve is opened to discharge oil, so that preparation is made for the next detection.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) in the online detection method for the sulfur content of the automobile oil, firstly, separation equipment is controlled to separate the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; then, controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components; and finally, determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents. Compared with the problem that the sulfur content of the automobile oil cannot be detected quickly on line in the prior art, the method for detecting the sulfur content of the automobile oil comprises the steps of separating the automobile oil into a plurality of prepared automobile oil through the separation equipment, controlling a plurality of working electrodes to test the prepared automobile oil with different sulfur components, calculating the sulfur content of the prepared automobile oil with different sulfur components according to a test result, and finally obtaining the sulfur content of the automobile oil, wherein the plurality of working electrodes can detect the prepared automobile oil with different sulfur contents, so that the accuracy of detecting the sulfur content is high, the sulfur content of the automobile oil can be detected quickly on line, the defect that the existing off-line detection method cannot monitor the sulfur content of the automobile oil in real time is overcome, and the problem that the emission exceeds the standard due to untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
2) In the online detection device for the sulfur content of the automobile oil, the first control unit controls the separation equipment to separate the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; controlling a plurality of working electrodes to test the corresponding prepared automobile oil through the second control unit, and calculating a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspond to the prepared automobile oil tested with different sulfur components; the first determination means determines the sulfur content of the automotive oil to be tested based on the plurality of preliminary sulfur contents. Compared with the problem that the sulfur content of the automobile oil cannot be detected quickly on line in the prior art, the device for detecting the sulfur content of the automobile oil has the advantages that the automobile oil is separated into the prepared automobile oil through the separation equipment, the prepared automobile oil with different sulfur components is detected by controlling the working electrodes, the sulfur content of the prepared automobile oil with different sulfur components is calculated according to the detection result, the sulfur content of the prepared automobile oil with different sulfur components is finally obtained, the prepared automobile oil with different sulfur contents can be detected by the working electrodes, the high accuracy of the detection of the sulfur content is guaranteed, the quick online detection of the sulfur content of the automobile oil is guaranteed, the defect that the existing offline detection method cannot monitor the sulfur content of the automobile oil in real time is overcome, and the problem that the emission exceeds the standard due to untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
3) The online detection equipment for the sulfur content of the automobile oil is positioned in an oil tank of an automobile and comprises separation equipment, a plurality of working electrodes and a controller, wherein the separation equipment is used for separating the automobile oil to be detected into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different; a plurality of said working electrodes for testing said preparatory automotive oils for different sulfur compositions; the controller is configured to perform any of the methods described above. Compared with the problem that the sulfur content of the automobile oil cannot be detected quickly on line in the prior art, the automobile oil is separated into the prepared automobile oil through the separation equipment, the prepared automobile oil with different sulfur components is then tested by controlling the working electrodes, the sulfur content of the prepared automobile oil with different sulfur components is calculated according to the test result, the sulfur content of the automobile oil is finally obtained, the prepared automobile oil with different sulfur contents can be detected by the working electrodes, the accuracy of detecting the sulfur content is high, the sulfur content of the automobile oil can be detected quickly on line, the defect that the automobile oil quality cannot be monitored in real time through an existing off-line detection method is overcome, and the problem that emission exceeds the standard due to untimely monitoring is avoided, Corrosion of engine parts and shortening of oil change cycle.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An on-line detection method for sulfur content of automotive oil, characterized by comprising the following steps:
controlling a separation device to separate the automobile oil to be measured into a plurality of prepared automobile oils, wherein the sulfur components of the prepared automobile oils are different;
controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components;
and determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents.
2. The method of claim 1, wherein prior to controlling a separation apparatus to separate the automotive oil under test into a plurality of preparatory automotive oils, the method further comprises:
determining whether a vehicle is refueling or whether the vehicle completes a refueling maneuver;
and under the condition that the automobile is determined to be refueling or the automobile finishes refueling, acquiring partial added oil to obtain the automobile oil to be tested.
3. The method of claim 2, wherein determining whether a vehicle is refueling or whether the vehicle completes a refueling maneuver comprises:
acquiring a current signal in real time, wherein the current signal is a signal generated by the rotation of an oil pump;
determining whether the vehicle is refueling based on the current signal, determining that the vehicle is refueling if the current signal is greater than a predetermined threshold, and determining that the vehicle is not refueling if the current signal is less than or equal to the predetermined threshold;
under the condition that the automobile is refueled, determining whether a starting signal of the automobile is received or not, wherein the starting signal is a signal for representing the starting of the automobile;
in the event that it is determined that the start signal is received, it is determined that the vehicle has completed the refueling action.
4. The method of claim 2, wherein controlling a separation apparatus to separate the automotive oil under test into a plurality of alternate automotive oils comprises:
and controlling the separation equipment comprising the molecular sieves with different apertures to separate the oil for the automobile to be detected to obtain a plurality of prepared oil for the automobile.
5. The method of claim 2, wherein controlling a plurality of working electrodes to test the corresponding prepared automotive oil and calculating a prepared sulfur content according to the test result comprises:
controlling each working electrode and the corresponding reference electrode to be inserted into the prepared automobile oil;
acquiring a voltage value between each working electrode and the corresponding reference electrode to obtain a plurality of voltage signals;
and calculating the prepared sulfur content corresponding to each prepared automobile oil according to a plurality of voltage signals.
6. The method of any one of claims 2 to 5, wherein after determining that the vehicle is finished refueling, the method further comprises:
obtaining refueling information, wherein the refueling information comprises position information of a refueling place and refueling time information;
and sending a prompt signal and the refueling information under the condition that the sulfur content is greater than a preset value, wherein the prompt signal is a signal for prompting that the sulfur content of the added automobile oil exceeds the standard.
7. An apparatus for on-line detection of sulfur content of automotive oil, said apparatus comprising:
the system comprises a first control unit, a second control unit and a control unit, wherein the first control unit is used for controlling a separation device to separate automobile oil to be measured into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different;
the second control unit is used for controlling a plurality of working electrodes to test the corresponding prepared automobile oil, and calculating to obtain a prepared sulfur content according to a test result, wherein the prepared sulfur content is the sulfur content of each prepared automobile oil, and the plurality of working electrodes correspondingly test the prepared automobile oil with different sulfur components;
and the first determining unit is used for determining the sulfur content of the automobile oil to be tested according to the plurality of prepared sulfur contents.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 6.
9. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the method of any of claims 1 to 6.
10. An on-line measuring device of the sulfur content of an automobile oil, which is located in an oil tank of an automobile, characterized by comprising:
the separation equipment is used for separating the automobile oil to be measured into a plurality of prepared automobile oils, and the sulfur components of the prepared automobile oils are different;
a plurality of working electrodes for testing the prepared automotive oil for different sulfur components;
a controller for performing the method of any one of claims 1 to 6.
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