CN108374705A - A kind of oil pump for engine control method and device - Google Patents
A kind of oil pump for engine control method and device Download PDFInfo
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- CN108374705A CN108374705A CN201810085851.9A CN201810085851A CN108374705A CN 108374705 A CN108374705 A CN 108374705A CN 201810085851 A CN201810085851 A CN 201810085851A CN 108374705 A CN108374705 A CN 108374705A
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- engine
- load
- oil pump
- setting value
- control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
Abstract
The present invention provides a kind of oil pump for engine control method and device, wherein engine oil method for controlling pump includes：Obtain vehicle present engine water temperature signal and residing altitude signal；When engine water temperature, which is less than or equal to height above sea level residing for preset temperature threshold or vehicle, is greater than or equal to preset height threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；When engine water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if engine speed is less than speed setting value and engine load is less than load setting value, exports second control signal control oil pump for engine and worked with low-voltage；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value or engine load is greater than or equal to the sum of load setting value and load buffer value, exports third control signal control oil pump for engine and worked with high pressure mode.
Description
Technical field
The present invention relates to automobile technical field more particularly to a kind of oil pump for engine control method and device.
Background technology
Current engine electric-controlled two-part lubricating oil pump mainly carries out simple and crude control according to rotating speed and load, certain
It is difficult to meet the requirement of engine reliability under limiting condition, such as under high altitude environment, lubricating oil pump low-voltage is difficult to meet
The requirement of booster lubrication, long-play can have the risk of booster lubrication failure；For another example, under limit low temperature environment, machine
There are engine oil pressure settling time slow problem, low-temperature cool starting moments can cause many engine failure for oil pump low-voltage,
Such as hydraulic tappet abnormal sound, distal end bearing inordinate wear.In addition, leading to machine oil without buffer mode in the high and low pressure mode transition stage
Pump frequent switching under the operating mode, easily causes solenoid valve and lubricating oil pump abrasion is abnormal.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of oil pump for engine control method and device, to improve
The reliability of engine under limiting condition.
In order to solve the above technical problem, the present invention provides a kind of engine oil method for controlling pump, including：
Obtain vehicle present engine water temperature signal and residing altitude signal；
It is greater than or equal to preset height when engine water temperature is less than or equal to height above sea level residing for preset temperature threshold or vehicle
When threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；
When engine water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if hair
Motivation rotating speed is less than speed setting value and engine load is less than load setting value, then exports second control signal control and start
Lubricating oil pump is worked with low-voltage；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value, or
Engine load is greater than or equal to the sum of load setting value and load buffer value, then exports third control signal control engine oil
Pump is worked with high pressure mode.
Wherein, it is less than preset height threshold value when engine water temperature is more than height above sea level residing for preset temperature threshold and vehicle
When, if engine speed enters rotating speed transition section or engine load enters load transition section, the output phase should be controlled
Signal control oil pump for engine processed is worked with low-voltage or high pressure mode, and rotating speed transition section is more than speed setting value
And it is less than the sum of speed setting value and rotating speed buffer value, load transition section is to set more than load setting value and less than load
The sum of definite value and load buffer value.
Wherein, engine speed enters the rotating speed transition from more than or equal to the sum of speed setting value and rotating speed buffer value
When section, exports the 4th control signal and lubricating oil pump solenoid valve, control lubricating oil pump is given to be run using high pressure mode；Engine speed from
When entering the rotating speed transition section less than or equal to speed setting value, exports the 5th control signal and give lubricating oil pump solenoid valve, control
Lubricating oil pump processed is run using low-voltage.
Wherein, engine load enters the load transition from more than or equal to the sum of load setting value and load buffer value
When section, exports the 6th control signal and lubricating oil pump solenoid valve, control lubricating oil pump is given to be run using high pressure mode；Engine load from
When entering the load transition section less than or equal to load setting value, exports the 7th control signal and give lubricating oil pump solenoid valve, control
Lubricating oil pump processed is run using low-voltage.
Wherein, the speed setting value is more than the rotating speed buffer value, and the load setting value is more than the load buffer
Value.
The present invention also provides a kind of engine oil apparatus for controlling pump, including：
Acquiring unit, for obtaining vehicle present engine water temperature signal and residing altitude signal；
Control unit is more than for being less than or equal to height above sea level residing for preset temperature threshold or vehicle in engine water temperature
Or when equal to preset height threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；And it is sending out
When motivation water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if engine speed
Less than speed setting value and engine load is less than load setting value, and output second control signal controls oil pump for engine with low
Die pressing type works；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value or engine load
More than or equal to the sum of load setting value and load buffer value, output third control signal controls oil pump for engine with high pressure mode
Work.
Wherein, described control unit is additionally operable to be more than height above sea level residing for preset temperature threshold and vehicle in engine water temperature
When degree is less than preset height threshold value, if engine speed enters rotating speed transition section or engine load enters load transition
Section, output corresponding control signals oil pump for engine are worked with low-voltage or high pressure mode, rotating speed transition section
To be more than speed setting value and being less than the sum of speed setting value and rotating speed buffer value, load transition section is to be set more than load
Definite value is simultaneously less than the sum of load setting value and load buffer value.
Wherein, described control unit is additionally operable in engine speed from more than or equal to speed setting value and rotating speed buffer value
The sum of when entering the rotating speed transition section, export the 4th control signal and gives lubricating oil pump solenoid valve, control lubricating oil pump is using high pressure
Mode operation；And in engine speed from when entering the rotating speed transition section less than or equal to speed setting value, output the
Five control signals give lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
Wherein, described control unit is additionally operable in engine load from more than or equal to load setting value and load buffer value
The sum of when entering the load transition section, export the 6th control signal and gives lubricating oil pump solenoid valve, control lubricating oil pump is using high pressure
Mode operation；And in engine load from when entering the load transition section less than or equal to load setting value, output the
Seven control signals give lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
Wherein, the speed setting value is more than the rotating speed buffer value, and the load setting value is more than the load buffer
Value.
The advantageous effect of the embodiment of the present invention is：Height above sea level and engine water temperature are introduced as parameter, is judged respectively
The magnitude relationship of itself and respective threshold value is achieved in the control to lubricating oil pump so that avoids booster etc. in high altitude localities
The problem of parts lubrication failure and the traffic coverage that can effectively expand lubricating oil pump low-voltage, it is more so as to bring
Oil consumption save；Engine oil pressure settling time is avoided under the low temperature condition of pole excessively slowly or can not establish asking for engine oil pressure
Topic.Also, it increases the control of the transition mode between high pressure mode and low-voltage newly, has avoided lubricating oil pump and solenoid valve is frequently cut
The problem of changing so as to cause lubricating oil pump or lubricating oil pump electromagnetism defective valve.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of one oil pump for engine control method of the embodiment of the present invention.
Fig. 2 is a kind of idiographic flow schematic diagram of one oil pump for engine control method of the embodiment of the present invention.
Specific implementation mode
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
It please referring to shown in Fig. 1, the embodiment of the present invention one provides a kind of engine oil method for controlling pump, including：
Obtain vehicle present engine water temperature signal and residing altitude signal；
It is greater than or equal to preset height when engine water temperature is less than or equal to height above sea level residing for preset temperature threshold or vehicle
When threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；
When engine water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if hair
Motivation rotating speed is less than speed setting value and engine load is less than load setting value, then exports second control signal control and start
Lubricating oil pump is worked with low-voltage；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value, or
Engine load is greater than or equal to the sum of load setting value and load buffer value, then exports third control signal control engine oil
Pump is worked with high pressure mode.
Height above sea level and engine water temperature are introduced in the present embodiment as parameter, judge the size of itself and respective threshold value respectively
Relationship is achieved in the control to lubricating oil pump, the effect for bringing the prior art cannot achieve：In high altitude localities, increasing is avoided
The problem of parts lubrication failure such as depressor and the traffic coverage that can effectively expand lubricating oil pump low-voltage, so as to band
Carry out more oil consumption to save；Under the low temperature condition of pole, avoiding engine oil pressure settling time excessively slowly or can not establish oil pressure
The problem of power.
Specifically, incorporated by reference to shown in Fig. 2, after vehicle powers on, the electronic control unit of engine（ECU）To height above sea level
Sensor and water temperature sensor are checked, if altitude sensor and water temperature sensor break down, send out alarm
Prompt user there are failure, the judgment mode of failure is determined by ECU, such as ECU is with frequency f1It is scanned and determines whether exist
Failure.
Water temperature sensor, altitude sensor fault-free, ECU is then respectively with frequency f2Water temperature sensor is scanned, with frequency
Rate f3Altitude sensor is scanned, vehicle present engine water temperature signal and residing altitude signal are obtained.Then distinguish
Judge present engine water temperature（It is indicated with T）With preset temperature threshold（With T0It indicates）With height above sea level residing for vehicle（With H tables
Show）With preset height threshold value（With H1It indicates）Magnitude relationship：
1. working as T≤T0Or H >=H1When, ECU is 0 to lubricating oil pump solenoid valve output voltage or duty ratio, and control lubricating oil pump is with maximum
Turn discharge capacity to work.
It is to be appreciated that T≤T0Show that vehicle is currently at pole low temperature environment（T0Generally -10 DEG C hereinafter, specific number
Value is determined by actual conditions）, in order to avoid engine oil pressure settling time is excessively slowly or the problem of can not establish engine oil pressure, this
Embodiment exports first control signal, i.e. voltage of the output to lubricating oil pump solenoid valve from Engine ECU to lubricating oil pump solenoid valve
It is 0 for 0 or duty ratio, control lubricating oil pump turns discharge capacity with maximum and works.Similarly, H >=H1Show that vehicle is currently at
High altitude environment（H1Generally 3000m or more, concrete numerical value are determined by actual conditions）, in order to avoid the parts such as booster moisten
The problem of sliding failure, the present embodiment export first control signal from Engine ECU to lubricating oil pump solenoid valve, that is, export to lubricating oil pump
The voltage of solenoid valve is 0 or duty ratio is 0, and control lubricating oil pump turns discharge capacity with maximum and works.
2. working as T>T0And H<H1When, it needs further to judge engine speed（It is indicated with n）With speed setting value（With n0Table
Show）, rotating speed buffer value（With n1It indicates）Magnitude relationship or engine load（It is indicated with BMEP）With load setting value（With
BMEP0It indicates）, load buffer value（With BMEP1It indicates）Magnitude relationship, wherein ECU is with f4Frequency scanning engine speed
Signal, with f5Frequency scanning engine load signal, and corresponding control mode is executed according to judging result, it is specific as follows：
（1）N ＜ n0And BMEP ＜ BMEP0When, Engine ECU exports suitable voltage signal or suitable duty cycle signals（The
Two control signals）It gives lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage, achievees the purpose that fuel-economizing；
（2）As engine speed n >=n0+n1（n1Generally 100rpm ~ 500rpm）Or engine load BMEP >=BMEP0+
BMEP1（BMEP1Generally 2bar ~ 5bar）, ECU exports suitable voltage signal or suitable duty cycle signals（Third control letter
Number）Lubricating oil pump solenoid valve, control lubricating oil pump is given to be run using high pressure mode.
In the present embodiment, rotating speed buffer value n1For a transition buffer value, is carrying out engine speed judgement and switching accordingly
When lubricating oil pump electromagnetic valve work pattern, a judgment threshold is not depended on merely（That is speed setting value n0）, avoid due to starting
The bounce of machine rotating speed n itself leads to lubricating oil pump frequent switching；Similarly, load buffer value BMEP1It is also a transition buffer value,
When carrying out engine load judgement and switching lubricating oil pump electromagnetic valve work pattern accordingly, a judgment threshold is not depended on merely
（That is load setting value BMEP 0）, avoid the bounce due to engine load BMEP itself from leading to lubricating oil pump frequent switching, wherein n
>n1, BMEP0>BMEP1.In addition, setting rotating speed buffer value n1With load buffer value BMEP1Also it is that the embodiment of the present invention introduces transition
Pattern further solves the problems, such as to cause lubricating oil pump frequent switching to provide the foundation due to engine operating condition frequent switching.Below
It will illustrate.
The present embodiment is provided with engine speed transition section and engine load transition section, wherein engine speed mistake
It is n to cross section0＜ n ＜ n0+n1, i.e. engine speed n is more than speed setting value n0And it is less than speed setting value n0It is buffered with rotating speed
Value n1The sum of；Engine load transition section is BMEP0＜ BMEP ＜ BMEP0+BMEP1, i.e. engine load BMEP is more than load
Setting value BMEP0And it is less than load setting value BMEP0With load buffer value BMEP1The sum of.In T>T0And H<H1When, when engine turns
Speed or engine load enter above-mentioned transition section, i.e. n0＜ n ＜ n0+n1Or BMEP0＜ BMEP ＜ BMEP0+BMEP1, will use
Transition mode controls, specifically：
Engine speed n is from n >=n0+n1（As previously mentioned, lubricating oil pump runs for high pressure mode at this time）Into n0＜ n ＜ n0+n1
When, ECU exports suitable voltage signal or suitable duty cycle signals（4th control signal）Give lubricating oil pump solenoid valve, control machine
Oil pump is run using high pressure mode；
Engine speed n is from n≤n0Enter n0＜ n ＜ n0+n1When, ECU exports suitable voltage signal or suitable duty ratio
Signal（5th control signal）Lubricating oil pump solenoid valve, control lubricating oil pump is given to be run using low-voltage；
Similarly, engine load BMEP is from BMEP >=BMEP0+BMEP1Section（Lubricating oil pump runs for high pressure mode）Into BMEP0
＜ BMEP ＜ BMEP+BMEP1When, ECU exports suitable voltage signal or suitable duty cycle signals（6th control signal）It gives
Lubricating oil pump solenoid valve, control lubricating oil pump are run using high pressure mode；
Engine load BMEP is from BMEP≤BMEP0（Lubricating oil pump runs for low-voltage）Enter BMEP0＜ BMEP ＜ BMEP+
BMEP1When, ECU exports suitable voltage signal or suitable duty cycle signals（7th control signal）Lubricating oil pump solenoid valve is given,
Lubricating oil pump is controlled to run using low-voltage.
The present embodiment introduces transition mode control by the transition stage between high pressure mode and low-voltage, avoids
Lubricating oil pump solenoid valve caused by frequent switching and lubricating oil pump under the operating mode wear abnormal problem.
It should be noted that in the present embodiment, preset temperature threshold T0, preset height threshold value H1, speed setting value n0, turn
Fast buffer value n1, load setting value BMEP0, load buffer value BMEP1, scan frequency f1~ f5It is default, according to target oil pressure needs
It asks and presets into Engine ECU.Engine speed n, water temperature T, height above sea level H are directly read by corresponding sensor, engine
Load BMEP is calculated according to RL parameters in ECU, and solenoid voltage or duty ratio PWM value are provided by ECU.
Corresponding to the embodiment of the present invention one, second embodiment of the present invention provides the present invention also provides a kind of controls of oil pump for engine
Device, including：
Acquiring unit, for obtaining vehicle present engine water temperature signal and residing altitude signal；
Control unit is more than for being less than or equal to height above sea level residing for preset temperature threshold or vehicle in engine water temperature
Or when equal to preset height threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；And it is sending out
When motivation water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if engine speed
Less than speed setting value and engine load is less than load setting value, and output second control signal controls oil pump for engine with low
Die pressing type works；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value or engine load
More than or equal to the sum of load setting value and load buffer value, output third control signal controls oil pump for engine with high pressure mode
Work.
Wherein, described control unit is additionally operable to be more than height above sea level residing for preset temperature threshold and vehicle in engine water temperature
When degree is less than preset height threshold value, if engine speed enters rotating speed transition section or engine load enters load transition
Section, output corresponding control signals oil pump for engine are worked with low-voltage or high pressure mode, rotating speed transition section
To be more than speed setting value and being less than the sum of speed setting value and rotating speed buffer value, load transition section is to be set more than load
Definite value is simultaneously less than the sum of load setting value and load buffer value.
Wherein, described control unit is additionally operable in engine speed from more than or equal to speed setting value and rotating speed buffer value
The sum of when entering the rotating speed transition section, export the 4th control signal and gives lubricating oil pump solenoid valve, control lubricating oil pump is using high pressure
Mode operation；And in engine speed from when entering the rotating speed transition section less than or equal to speed setting value, output the
Five control signals give lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
Wherein, described control unit is additionally operable in engine load from more than or equal to load setting value and load buffer value
The sum of when entering the load transition section, export the 6th control signal and gives lubricating oil pump solenoid valve, control lubricating oil pump is using high pressure
Mode operation；And in engine load from when entering the load transition section less than or equal to load setting value, output the
Seven control signals give lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
Wherein, the speed setting value is more than the rotating speed buffer value, and the load setting value is more than the load buffer
Value.
By above description it is found that the advantageous effect that the present invention is brought is, introduces height above sea level and engine water temperature is made
For parameter, the magnitude relationship of itself and respective threshold value is judged respectively, is achieved in the control to lubricating oil pump so that in high altitude localities
The problem of avoiding the parts lubrication failure such as booster and the traffic coverage that can effectively expand lubricating oil pump low-voltage, from
And more oil consumption can be brought to save；Avoided under the low temperature condition of pole engine oil pressure settling time excessively slowly or can not build
The problem of vertical engine oil pressure.Also, it increases the control of the transition mode between high pressure mode and low-voltage newly, has avoided lubricating oil pump
The problem of with solenoid valve frequent switching so as to cause lubricating oil pump or lubricating oil pump electromagnetism defective valve.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of engine oil method for controlling pump, which is characterized in that including：
Obtain vehicle present engine water temperature signal and residing altitude signal；
It is greater than or equal to preset height when engine water temperature is less than or equal to height above sea level residing for preset temperature threshold or vehicle
When threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；
When engine water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if hair
Motivation rotating speed is less than speed setting value and engine load is less than load setting value, then exports second control signal control and start
Lubricating oil pump is worked with low-voltage；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value, or
Engine load is greater than or equal to the sum of load setting value and load buffer value, then exports third control signal control engine oil
Pump is worked with high pressure mode.
2. control method according to claim 1, which is characterized in that when engine water temperature be more than preset temperature threshold and
When height above sea level residing for vehicle is less than preset height threshold value, if engine speed enters rotating speed transition section or engine is negative
Lotus enters load transition section, then exports corresponding control signals oil pump for engine and worked with low-voltage or high pressure mode,
Rotating speed transition section is more than speed setting value and to be less than the sum of speed setting value and rotating speed buffer value, the load transition
Section is more than load setting value and to be less than the sum of load setting value and load buffer value.
3. control method according to claim 2, which is characterized in that engine speed is from more than or equal to speed setting value
When entering the rotating speed transition section with the sum of rotating speed buffer value, export the 4th and control signal and give lubricating oil pump solenoid valve, control machine
Oil pump is run using high pressure mode；When engine speed is from less than or equal to speed setting value into the rotating speed transition section,
Exporting the 5th control signal gives lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
4. control method according to claim 2, which is characterized in that engine load is from more than or equal to load setting value
When entering the load transition section with the sum of load buffer value, export the 6th and control signal and give lubricating oil pump solenoid valve, control machine
Oil pump is run using high pressure mode；When engine load is from less than or equal to load setting value into the load transition section,
Exporting the 7th control signal gives lubricating oil pump solenoid valve, control lubricating oil pump to be run using low-voltage.
5. according to claim 1-4 any one of them control methods, which is characterized in that the speed setting value is more than described turn
Fast buffer value, the load setting value are more than the load buffer value.
6. a kind of engine oil apparatus for controlling pump, which is characterized in that including：
Acquiring unit, for obtaining vehicle present engine water temperature signal and residing altitude signal；
Control unit is more than for being less than or equal to height above sea level residing for preset temperature threshold or vehicle in engine water temperature
Or when equal to preset height threshold value, output first control signal control oil pump for engine turns displacement operation with maximum；And it is sending out
When motivation water temperature is less than preset height threshold value more than height above sea level residing for preset temperature threshold and vehicle, if engine speed
Less than speed setting value and engine load is less than load setting value, and output second control signal controls oil pump for engine with low
Die pressing type works；If engine speed is greater than or equal to the sum of speed setting value and rotating speed buffer value or engine load
More than or equal to the sum of load setting value and load buffer value, output third control signal controls oil pump for engine with high pressure mode
Work.
7. control device according to claim 6, which is characterized in that described control unit is additionally operable to big in engine water temperature
When the height above sea level residing for preset temperature threshold and vehicle is less than preset height threshold value, if engine speed enters rotating speed mistake
It crosses section or engine load enters load transition section, output corresponding control signals oil pump for engine is with low-voltage
Or high pressure mode work, rotating speed transition section be more than speed setting value and less than speed setting value and rotating speed buffer value it
It is more than load setting value and to be less than the sum of load setting value and load buffer value with, load transition section.
8. control device according to claim 7, which is characterized in that described control unit be additionally operable to engine speed from
More than or equal to the sum of speed setting value and rotating speed buffer value enter the rotating speed transition section when, export the 4th control signal to
Lubricating oil pump solenoid valve, control lubricating oil pump are run using high pressure mode；And it is set from less than or equal to rotating speed in engine speed
When value enters the rotating speed transition section, exports the 5th control signal and lubricating oil pump solenoid valve, control lubricating oil pump is given to use low pressure molding
Formula is run.
9. control device according to claim 7, which is characterized in that described control unit be additionally operable to engine load from
More than or equal to the sum of load setting value and load buffer value enter the load transition section when, export the 6th control signal to
Lubricating oil pump solenoid valve, control lubricating oil pump are run using high pressure mode；And in engine load from less than or equal to load setting
When value enters the load transition section, exports the 7th control signal and lubricating oil pump solenoid valve, control lubricating oil pump is given to use low pressure molding
Formula is run.
10. according to claim 6-9 any one of them control devices, which is characterized in that the speed setting value is more than described
Rotating speed buffer value, the load setting value are more than the load buffer value.
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| CN201810085851.9A CN108374705A (en) | 2018-01-29 | 2018-01-29 | A kind of oil pump for engine control method and device |
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| CN201810085851.9A CN108374705A (en) | 2018-01-29 | 2018-01-29 | A kind of oil pump for engine control method and device |
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| CN111396185A (en) * | 2020-02-18 | 2020-07-10 | 义乌吉利动力总成有限公司 | Control method, device and equipment for vehicle oil pump and storage medium |
| CN112211693A (en) * | 2019-07-09 | 2021-01-12 | 广州汽车集团股份有限公司 | Engine electric control variable displacement engine oil pump control method and control device |
| CN112282955A (en) * | 2020-09-28 | 2021-01-29 | 潍柴动力股份有限公司 | Method, device and system for improving plateau oil supply capacity of engine |
| CN113339100A (en) * | 2020-02-18 | 2021-09-03 | 广州汽车集团股份有限公司 | Variable-displacement oil pump control method and variable-displacement oil pump control device |
| CN113581161A (en) * | 2021-08-30 | 2021-11-02 | 奇瑞汽车股份有限公司 | Control method and device for electric oil pump and storage medium |
| CN114483249A (en) * | 2022-02-07 | 2022-05-13 | 中国第一汽车股份有限公司 | Oil pump fault detection method and device, vehicle and storage medium |
| CN114893274A (en) * | 2022-05-16 | 2022-08-12 | 东风汽车集团股份有限公司 | Method and system for controlling oil pressure of gasoline engine |
| CN115217576A (en) * | 2021-11-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Oil pump electromagnetic valve control method, vehicle-mounted controller and automobile |
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| CN112211693A (en) * | 2019-07-09 | 2021-01-12 | 广州汽车集团股份有限公司 | Engine electric control variable displacement engine oil pump control method and control device |
| CN112211693B (en) * | 2019-07-09 | 2022-01-18 | 广州汽车集团股份有限公司 | Engine electric control variable displacement engine oil pump control method and control device |
| CN111396185A (en) * | 2020-02-18 | 2020-07-10 | 义乌吉利动力总成有限公司 | Control method, device and equipment for vehicle oil pump and storage medium |
| CN113339100A (en) * | 2020-02-18 | 2021-09-03 | 广州汽车集团股份有限公司 | Variable-displacement oil pump control method and variable-displacement oil pump control device |
| CN113339100B (en) * | 2020-02-18 | 2022-12-20 | 广州汽车集团股份有限公司 | Variable-displacement oil pump control method and variable-displacement oil pump control device |
| CN112282955A (en) * | 2020-09-28 | 2021-01-29 | 潍柴动力股份有限公司 | Method, device and system for improving plateau oil supply capacity of engine |
| CN113581161A (en) * | 2021-08-30 | 2021-11-02 | 奇瑞汽车股份有限公司 | Control method and device for electric oil pump and storage medium |
| CN113581161B (en) * | 2021-08-30 | 2023-01-03 | 奇瑞汽车股份有限公司 | Control method and device for electric oil pump and storage medium |
| CN115217576A (en) * | 2021-11-12 | 2022-10-21 | 广州汽车集团股份有限公司 | Oil pump electromagnetic valve control method, vehicle-mounted controller and automobile |
| CN115217576B (en) * | 2021-11-12 | 2023-10-20 | 广州汽车集团股份有限公司 | Oil pump electromagnetic valve control method, vehicle-mounted controller and automobile |
| CN114483249A (en) * | 2022-02-07 | 2022-05-13 | 中国第一汽车股份有限公司 | Oil pump fault detection method and device, vehicle and storage medium |
| CN114893274A (en) * | 2022-05-16 | 2022-08-12 | 东风汽车集团股份有限公司 | Method and system for controlling oil pressure of gasoline engine |
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Application publication date: 20180807 |