CN109826690A - A kind of engine intelligent maintenance method, apparatus and system - Google Patents
A kind of engine intelligent maintenance method, apparatus and system Download PDFInfo
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- CN109826690A CN109826690A CN201910146134.7A CN201910146134A CN109826690A CN 109826690 A CN109826690 A CN 109826690A CN 201910146134 A CN201910146134 A CN 201910146134A CN 109826690 A CN109826690 A CN 109826690A
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Abstract
The present invention relates to technical field of engines, specifically disclose a kind of engine intelligent maintenance method, wherein, the engine intelligent maintenance method includes: the maintenance parameter of real-time acquisition Engine ECU, wherein the maintenance parameter include engine outlet water temperature, in cold intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value and accelerator open degree afterwards；COMPREHENSIVE CALCULATING is carried out to the maintenance parameter, obtains oil drain interval data；Export the oil drain interval data.The invention also discloses a kind of engine intelligent care device and engine intelligent maintenance systems.The maintenance parameter that engine intelligent maintenance method provided by the invention passes through acquisition Engine ECU in real time, and according to the maintenance parameter carry out calculate can obtain oil drain interval data, to be supplied to user's service cycle precisely in real time, the practical working situation of Real-time Feedback vehicle, to facilitate user to understand the situation of vehicle and regularly be maintained.
Description
Technical field
The present invention relates to technical field of engines more particularly to a kind of engine intelligent maintenance method, engine intelligent to protect
Support device and the engine intelligent maintenance system including engine intelligent care device.
Background technique
Automobile is a kind of very important vehicles in society, has complicated mechanical mechanism, and external environment because
The influence of element, human factor inevitably generates abrasion and consumption in the process of running, therefore maintains engine
It is very important, it is therefore an objective to keep that condition of the engine is normal, eliminate safe hidden trouble, trouble saving occurs, slows down deterioration
Process extends service life.
At present the maintenance mode of automobile be using fix time/determine mileage maintenance, but because of driver driving habit and
Vehicle use environment is different, the actual use situation of each car can be made there are biggish difference, current maintenance strategy can not
Real-time, accurate, otherness mileage recommendation is provided for the practical working situation of each car.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of engine intelligent maintenance is provided
Method, engine intelligent care device and the engine intelligent maintenance system including engine intelligent care device, it is existing to solve
There is the problems in technology.
As the first aspect of the invention, a kind of engine intelligent maintenance method is provided, wherein the engine intelligent
Maintenance method includes:
In real time acquisition Engine ECU maintenance parameter, wherein the maintenance parameter include engine outlet water temperature, in it is cold afterwards air inlet
Temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value and accelerator open degree；
COMPREHENSIVE CALCULATING is carried out to the maintenance parameter, obtains oil drain interval data；
Export the oil drain interval data.
Preferably, described to carry out COMPREHENSIVE CALCULATING to the maintenance parameter, obtaining oil drain interval data includes:
According to the engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine
Revolving speed, torque, distributive value and accelerator open degree, which calculate, generates engine heat load correction factor, engine lubrication system/machine oil dirt
Contaminate object correction factor and engine mechanical load correction factor；
According to the engine heat load correction factor, engine lubrication system/oil pollution object correction factor and engine machine
Tool load correction factor calculates oil drain interval data.
Preferably, it is described according to the engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature
Degree, Soot amount, engine speed, torque, distributive value and accelerator open degree, which calculate, generates engine heat load correction factor, engine
Lubricating system/oil pollution object correction factor and engine mechanical load correction factor include:
Be respectively set engine outlet water temperature limit value, in it is cold after the limit value of intake air temperature, the limit value of charge flow rate and DOC inlet
The limit value of temperature；
Respectively will the real-time collected engine outlet water temperature, in it is cold after intake air temperature, charge flow rate and DOC inlet temperature
It spends corresponding limit value to be compared, obtains engine heat load correction factor；
The gradient upper limit is arranged in engine torque ratio and Soot amount respectively, and Soot amount is modified, forms engine lubrication
System/oil pollution object correction factor；
Engine workload is subjected to statistics calculating, and counts the distributive value of engine and the limit of Fuel filter systems is set
Value, obtains engine mechanical load corrected parameter.
Preferably, the maintenance parameter of the real-time acquisition Engine ECU includes:
The message data of request maintenance parameter is sent to the Engine ECU at interval of the unit time；
Receive the maintenance parameter of the Engine ECU feedback.
As the second aspect of the invention, a kind of engine intelligent care device is provided, wherein the engine intelligent
Care device includes:
Acquisition module, the acquisition module for acquiring the maintenance parameter of Engine ECU in real time, wherein the maintenance parameter includes
Engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, spray
Oil mass and accelerator open degree；
Computing module, the computing module are used to carry out COMPREHENSIVE CALCULATING to the maintenance parameter, obtain oil drain interval data；
Output module, the output module is for exporting the oil drain interval data.
As the third aspect of the invention, a kind of engine intelligent maintenance system is provided, wherein the engine intelligent
Maintenance system includes Engine ECU and previously described engine intelligent care device, the engine intelligent care device with
The Engine ECU communication connection, the maintenance that the engine intelligent care device can be fed back according to the Engine ECU are joined
Number obtains oil drain interval data.
Preferably, the engine intelligent maintenance system further includes machine oil quality sensor, the machine oil quality sensor
It is communicated to connect respectively with the Engine ECU and the engine intelligent care device, the machine oil quality sensor is for adopting
Collect the oil parameter of Engine ECU, and collected oil parameter is sent to the engine intelligent care device, so that
Engine intelligent care device is according to the oil parameter computer oil quality and generates oil exchange prompting message.
Preferably, the engine intelligent maintenance system includes meter panel of motor vehicle, the meter panel of motor vehicle respectively with it is described
Engine ECU and engine intelligent care device communication connection, the meter panel of motor vehicle is for showing the oil drain interval
Data and for showing oil exchange prompting message.
Preferably, the meter panel of motor vehicle passes through with the Engine ECU and the engine intelligent care device respectively
CAN bus communication connection.
Preferably, the machine oil quality sensor respectively with the Engine ECU and the engine intelligent care device
It is communicated to connect by CAN bus, the engine intelligent care device and the Engine ECU are communicated to connect by CAN bus.
Engine intelligent maintenance method provided by the invention, by acquiring the maintenance parameter of Engine ECU in real time, and according to
The maintenance parameter, which calculate, can obtain oil drain interval data, anti-in real time to be supplied to user's service cycle precisely in real time
The practical working situation of vehicle is presented, to facilitate user to understand the situation of vehicle and regularly be maintained.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of engine intelligent maintenance method provided by the invention.
Fig. 2 is the structural block diagram of engine intelligent care device provided by the invention.
Fig. 3 is the structural block diagram of engine intelligent maintenance system provided by the invention.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that ECU, Electronic Control Unit, electronic control unit.
As the first aspect of the invention, a kind of engine intelligent maintenance method is provided, wherein as shown in Figure 1, described
Engine intelligent maintenance method includes:
S110, in real time acquisition Engine ECU maintenance parameter, wherein the maintenance parameter include engine outlet water temperature, in it is cold
Intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value and accelerator open degree afterwards；
S120, COMPREHENSIVE CALCULATING is carried out to the maintenance parameter, obtains oil drain interval data；
S130, the output oil drain interval data.
Engine intelligent maintenance method provided by the invention, by acquiring the maintenance parameter of Engine ECU in real time, and according to
The maintenance parameter, which calculate, can obtain oil drain interval data, anti-in real time to be supplied to user's service cycle precisely in real time
The practical working situation of vehicle is presented, to facilitate user to understand the situation of vehicle and regularly be maintained.
Specifically, described to carry out COMPREHENSIVE CALCULATING to the maintenance parameter, obtaining oil drain interval data includes:
According to the engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine
Revolving speed, torque, distributive value and accelerator open degree, which calculate, generates engine heat load correction factor, engine lubrication system/machine oil dirt
Contaminate object correction factor and engine mechanical load correction factor；
According to the engine heat load correction factor, engine lubrication system/oil pollution object correction factor and engine machine
Tool load correction factor calculates oil drain interval data.
Further specifically, it is described according to the engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC enter
Mouth temperature, Soot amount, engine speed, torque, distributive value and accelerator open degree, which calculate, generates engine heat load correction factor, hair
Motivation lubricating system/oil pollution object correction factor and engine mechanical load correction factor include:
Be respectively set engine outlet water temperature limit value, in it is cold after the limit value of intake air temperature, the limit value of charge flow rate and DOC inlet
The limit value of temperature；
Respectively will the real-time collected engine outlet water temperature, in it is cold after intake air temperature, charge flow rate and DOC inlet temperature
It spends corresponding limit value to be compared, obtains engine heat load correction factor；
The gradient upper limit is arranged in engine torque ratio and Soot amount respectively, and Soot amount is modified, forms engine lubrication
System/oil pollution object correction factor；
Engine workload is subjected to statistics calculating, and counts the distributive value of engine and the limit of Fuel filter systems is set
Value, obtains engine mechanical load corrected parameter.
Specifically, big data early period counts different engine torques than the relationship that quantity, Soot amount are run with engine, system
Weight, the Soot amount of excellent operating condition torque ratio, weight, the Soot amount of general operating condition torque ratio are counted, while big data establishes one
Mark post: the torque ratio accounting of standard drain period, Soot amount with mileage standard guidance line.Engine torque ratio is higher, amendment
Coefficient is lower, otherwise higher, and Soot amount more surmounts guide line, and correction factor is lower, otherwise higher.Big data early period statistics is started
Machine revolving speed-accelerator open degree, engine speed-charge flow rate relationship calculate excellent condition range and statistical weight, general operating condition
Range and statistical weight, while big data establishes a mark post: the operating condition 50% of standard drain period concentrates on general operating condition model
It encloses.Engine operating condition more concentrates on above-mentioned excellent condition range, and correction factor is higher, otherwise lower.
The relationship that Engine Injection Mass and diesel fuel filter blocking are constructed according to big data, when finding diesel fuel filter blocking
The accumulative distributive value of engine, when the distributive value that engine adds up reaches the value, prompts driver more using this value as alarming value
Change diesel fuel filter.
It should be noted that the limit value of real-time collected engine outlet water temperature and engine outlet water temperature is compared
The correction result for relatively obtaining engine outlet water temperature, the limit value of intake air temperature is compared after cold rear intake air temperature is cold in by
The correction result of cold rear intake air temperature, charge flow rate is compared to obtain charge flow rate with the limit value of charge flow rate in obtaining
DOC inlet temperature is compared to obtain the correction result of DOC inlet temperature with the limit value of DOC inlet temperature by correction result, will
The correction result of above-mentioned engine outlet water temperature, in it is cold after the correction result of intake air temperature, the correction result of charge flow rate and DOC
The correction result synthesis of inlet temperature carries out that engine heat load correction factor is calculated.
Specifically, the maintenance parameter of the real-time acquisition Engine ECU includes:
The message data of request maintenance parameter is sent to the Engine ECU at interval of the unit time；
Receive the maintenance parameter of the Engine ECU feedback.
It should be understood that sending a message at interval of 60s after engine booting 10min, comprising: engine water outlet
Temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value, throttle open
Totally 9 and the strongly connected message of engine maintaining are spent, and screened, stored, interrelated logic calculating is carried out.
As the second aspect of the invention, a kind of engine intelligent care device is provided, wherein as shown in Fig. 2, described
Engine intelligent care device 100 includes:
Acquisition module 110, the acquisition module 110 for acquiring the maintenance parameter of Engine ECU in real time, wherein the maintenance is joined
Number include engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torsion
Square, distributive value and accelerator open degree；
Computing module 120, the computing module 120 are used to carry out COMPREHENSIVE CALCULATING to the maintenance parameter, obtain oil drain interval number
According to；
Output module 130, the output module 130 is for exporting the oil drain interval data.
Engine intelligent care device provided by the invention, by acquiring the maintenance parameter of Engine ECU in real time, and according to
The maintenance parameter, which calculate, can obtain oil drain interval data, anti-in real time to be supplied to user's service cycle precisely in real time
The practical working situation of vehicle is presented, to facilitate user to understand the situation of vehicle and regularly be maintained.
As the third aspect of the invention, a kind of engine intelligent maintenance system is provided, wherein as shown in figure 3, described
Engine intelligent maintenance system 10 includes Engine ECU 200 and previously described engine intelligent care device 100, the hair
Motivation intelligence care device 100 and the Engine ECU 200 communicate to connect, and the engine intelligent care device 100 can
Oil drain interval data are obtained according to the maintenance parameter that the Engine ECU 200 is fed back.
Engine intelligent maintenance system provided by the invention acquires engine by engine intelligent care device in real time
The maintenance parameter of ECU, and according to the maintenance parameter carry out calculate can obtain oil drain interval data, it is smart in real time to be supplied to user
True service cycle, the practical working situation of Real-time Feedback vehicle, to facilitate user to understand the situation of vehicle and carry out regularly
Maintenance.
Specifically, it is capable of the quality state of machine oil in order to real-time monitoring vehicle, as shown in figure 3, described start wisdom
Can maintenance system 10 further include machine oil quality sensor 300, the machine oil quality sensor 300 respectively with the Engine ECU
200 and the engine intelligent care device 100 communication connection, the machine oil quality sensor 300 is for acquiring Engine ECU
200 oil parameter, and collected oil parameter is sent to the engine intelligent care device 100, so that starting
Quick-witted energy care device 100 according to the oil parameter computer oil quality and generates oil exchange prompting message.
Specifically, as shown in figure 3, the engine intelligent maintenance system 10 includes meter panel of motor vehicle 400, the vehicle instrument
Dial plate 400 is communicated to connect with the Engine ECU 200 and the engine intelligent care device 100 respectively, the vehicle instrument
Dial plate 400 is for showing the oil drain interval data and for showing oil exchange prompting message.
It is understood that the machine oil quality sensor 300 is mounted on the oil circuit or oil sump of automobile, pass through acquisition
The parameters such as engine oil viscosity, dielectric constant, temperature will test result and be sent to engine intelligent care device 100, all round computer
The quality conditions of oil, and when lubricant deterioration needs replacing, the alarm of machine oil quality can be carried out by meter panel of motor vehicle 400, reminded
User replaces machine oil.
It should be noted that the engine intelligent care device 100 can data to the engine single drain period into
The accumulative storage of row；And can to the engine operation data of storage carry out rolling calculation, including by leaving water temperature, in it is cold after
Intake air temperature, charge flow rate, DOC inlet temperature setting limit value, and judgement is compared with limit value, it forms engine heat load and repairs
Positive coefficient；The gradient upper limit is arranged in engine torque ratio and Soot amount, Soot amount is modified, Reasonable area is arranged in combustion case
Between, form engine lubrication system/oil pollution object correction factor；Engine workload is subjected to statistics calculating, and is counted
Engine Injection Mass, setting limit value protect Fuel filter systems, form engine mechanical load correction factor.Overall engine heat
Load correction factor, engine lubrication system/oil pollution object correction factor, engine mechanical load correction factor form intelligence
The revised customization oil drain interval of intelligence is finally intuitively presented to user by meter panel of motor vehicle by energy mileage correction factor.
The engine intelligent maintenance system can be adapted for multi-cylinder, single cylinder and be sent out with gasoline, diesel oil, kerosene, combustion gas etc. for the diesel oil of fuel
Motivation, petrol engine, gas engine etc..
Engine intelligent maintenance system provided by the invention installs engine intelligent maintenance additional on the basis of original engine
Device, machine oil quality sensor, use cost is lower can large-scale application；9 vehicle commanders are acquired up to 1 year user trial data
With oil sample detection data, huge database is formed, and driving rule is combined to determine corresponding mileage correction factor, has ensured system
Science, practicability；Engine real work load is combined with machine oil quality sensor, is formed in strict maintenance
Journey calculative strategy can provide accurate mileage to engine individual and recommend.
Preferably, as shown in figure 3, the meter panel of motor vehicle 400 respectively with the Engine ECU 200 and the engine
Intelligent care device 100 is communicated to connect by CAN bus 500.
Preferably, as shown in figure 3, the machine oil quality sensor 300 respectively with the Engine ECU 200 and the hair
Motivation intelligence care device 100 is communicated to connect by CAN bus 500, and the engine intelligent care device 100 starts with described
Machine ECU 200 is communicated to connect by CAN bus 500.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of engine intelligent maintenance method, which is characterized in that the engine intelligent maintenance method includes:
In real time acquisition Engine ECU maintenance parameter, wherein the maintenance parameter include engine outlet water temperature, in it is cold afterwards air inlet
Temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value and accelerator open degree；
COMPREHENSIVE CALCULATING is carried out to the maintenance parameter, obtains oil drain interval data；
Export the oil drain interval data.
2. engine intelligent maintenance method according to claim 1, which is characterized in that described to be carried out to the maintenance parameter
COMPREHENSIVE CALCULATING, obtaining oil drain interval data includes:
According to the engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine
Revolving speed, torque, distributive value and accelerator open degree, which calculate, generates engine heat load correction factor, engine lubrication system/machine oil dirt
Contaminate object correction factor and engine mechanical load correction factor；
According to the engine heat load correction factor, engine lubrication system/oil pollution object correction factor and engine machine
Tool load correction factor calculates oil drain interval data.
3. engine intelligent maintenance method according to claim 2, which is characterized in that described according to the engine water outlet
Temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, distributive value and throttle
Aperture, which calculates, generates engine heat load correction factor, engine lubrication system/oil pollution object correction factor and engine machine
Tool load correction factor includes:
Be respectively set engine outlet water temperature limit value, in it is cold after the limit value of intake air temperature, the limit value of charge flow rate and DOC inlet
The limit value of temperature；
Respectively will the real-time collected engine outlet water temperature, in it is cold after intake air temperature, charge flow rate and DOC inlet temperature
It spends corresponding limit value to be compared, obtains engine heat load correction factor；
The gradient upper limit is arranged in engine torque ratio and Soot amount respectively, and Soot amount is modified, forms engine lubrication
System/oil pollution object correction factor；
Engine workload is subjected to statistics calculating, and counts the distributive value of engine and the limit of Fuel filter systems is set
Value, obtains engine mechanical load corrected parameter.
4. engine intelligent maintenance method according to claim 1, which is characterized in that the real-time acquisition Engine ECU
Maintenance parameter include:
The message data of request maintenance parameter is sent to the Engine ECU at interval of the unit time；
Receive the maintenance parameter of the Engine ECU feedback.
5. a kind of engine intelligent care device, which is characterized in that the engine intelligent care device includes:
Acquisition module, the acquisition module for acquiring the maintenance parameter of Engine ECU in real time, wherein the maintenance parameter includes
Engine outlet water temperature, in it is cold after intake air temperature, charge flow rate, DOC inlet temperature, Soot amount, engine speed, torque, spray
Oil mass and accelerator open degree；
Computing module, the computing module are used to carry out COMPREHENSIVE CALCULATING to the maintenance parameter, obtain oil drain interval data；
Output module, the output module is for exporting the oil drain interval data.
6. a kind of engine intelligent maintenance system, which is characterized in that the engine intelligent maintenance system include Engine ECU and
Engine intelligent care device described in claim 5, the engine intelligent care device and the Engine ECU communication link
It connects, the engine intelligent care device can obtain oil drain interval data according to the maintenance parameter that the Engine ECU is fed back.
7. engine intelligent maintenance system according to claim 6, which is characterized in that the engine intelligent maintenance system
It further include machine oil quality sensor, the machine oil quality sensor is protected with the Engine ECU and the engine intelligent respectively
Support device communication connection, the machine oil quality sensor is used to acquire the oil parameter of Engine ECU, and by collected machine oil
Parameter is sent to the engine intelligent care device, so that engine intelligent care device is calculated according to the oil parameter
Machine oil quality simultaneously generates oil exchange prompting message.
8. engine intelligent maintenance system according to claim 7, which is characterized in that the engine intelligent maintenance system
Including meter panel of motor vehicle, the meter panel of motor vehicle is communicated with the Engine ECU and the engine intelligent care device respectively
Connection, the meter panel of motor vehicle is for showing the oil drain interval data and for showing oil exchange prompting message.
9. engine intelligent maintenance system according to claim 8, which is characterized in that the meter panel of motor vehicle respectively with institute
Engine ECU and the engine intelligent care device is stated to communicate to connect by CAN bus.
10. engine intelligent maintenance system according to claim 7, which is characterized in that the machine oil quality sensor point
It is not communicated to connect with the Engine ECU and the engine intelligent care device by CAN bus, the engine intelligent is protected
Device and the Engine ECU is supported to communicate to connect by CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146134.7A CN109826690A (en) | 2019-02-27 | 2019-02-27 | A kind of engine intelligent maintenance method, apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146134.7A CN109826690A (en) | 2019-02-27 | 2019-02-27 | A kind of engine intelligent maintenance method, apparatus and system |
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| CN109826690A true CN109826690A (en) | 2019-05-31 |
Family
ID=66864654
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| CN110425023A (en) * | 2019-07-02 | 2019-11-08 | 一汽解放汽车有限公司 | Method for controlling reproduction, device, vehicle and the storage medium of diesel particulate filter |
| CN111638151A (en) * | 2020-07-15 | 2020-09-08 | 一汽解放汽车有限公司 | Test method for detecting abrasion resistance of friction pair |
| CN111721538A (en) * | 2020-06-29 | 2020-09-29 | 潍柴动力股份有限公司 | Engine detection method and device |
| CN111810619A (en) * | 2020-08-05 | 2020-10-23 | 中国重汽集团济南动力有限公司 | Gearbox oil change reminding device and control method |
| CN112096482A (en) * | 2019-12-02 | 2020-12-18 | 长城汽车股份有限公司 | Engine oil maintenance control method and device |
| CN114996645A (en) * | 2022-06-29 | 2022-09-02 | 东风商用车有限公司 | Intelligent engine oil maintenance method based on big data |
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| CN114996645A (en) * | 2022-06-29 | 2022-09-02 | 东风商用车有限公司 | Intelligent engine oil maintenance method based on big data |
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Application publication date: 20190531 |