CN108252763A - The engine lubrication system and hybrid vehicle of a kind of hybrid vehicle - Google Patents
The engine lubrication system and hybrid vehicle of a kind of hybrid vehicle Download PDFInfo
- Publication number
- CN108252763A CN108252763A CN201711479839.8A CN201711479839A CN108252763A CN 108252763 A CN108252763 A CN 108252763A CN 201711479839 A CN201711479839 A CN 201711479839A CN 108252763 A CN108252763 A CN 108252763A
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- engine
- motor
- hybrid vehicle
- oil pump
- mechanical oil
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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
- F01M1/02—Pressure lubrication using lubricating pumps
-
- 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
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0215—Electrical pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The embodiment of the invention discloses the engine lubrication systems and hybrid vehicle of a kind of hybrid vehicle.Wherein, hybrid vehicle includes entire car controller, engine and motor, and engine lubrication system includes gear set, electric control clutch and mechanical oil pump；Engine and motor coaxial parallel-connection, it is at least one in engine and motor to provide power for hybrid vehicle；Motor is connect with mechanical oil pump by gear set, electric control clutch is provided between gear set and mechanical oil pump, electric control clutch is connect with entire car controller, electric control clutch is used to detach under the control of entire car controller so that gear set dallies or combined under the control of entire car controller so that motor drives mechanical oil pump to be lubricated engine.Engine lubrication system provided in an embodiment of the present invention, engine lubrication caused by can solving the problems, such as the engine frequent start-stop of hybrid vehicle are insufficient.
Description
Technical field
The present embodiments relate to the engine lubrication systems of vehicle technology more particularly to a kind of hybrid vehicle and mixed
Close power vehicle.
Background technology
The problems such as petroleum resources are increasingly reduced, air quality deteriorates is faced, countries in the world are all increasingly heavier to environmental protection
Depending on.Wherein, the various new-energy automobiles using oil electric mixed dynamic driving increasingly receive an acclaim.
When hybrid vehicle is run in urban congestion operating mode, engine is in shutdown status, by motor-driven vehicle
Pure motor driving.When engine is needed also to start to drive vehicle, motor drag engine start, in order to reach crash change of speed
Purpose, motor drag engine reach shifting points rotating speed be about 0.3s (such as：1000rpm -1300rpm), but engine machine
Oil pressure foundation plays lubricating action to more than 200kPa to each friction pair needs 1.1s.Hybrid power system is due to engine
Frequent start-stop can prevent engine lubrication system from sufficient lubrication, and then can lead to the secondary failure of the frictions such as scuffing of cylinder bore, change watt.
Invention content
The present invention provides a kind of engine lubrication system and hybrid vehicle of hybrid vehicle, dynamic to solve mixing
The problem of engine lubrication caused by the engine frequent start-stop of power automobile is insufficient.
In a first aspect, the embodiment of the present invention provides a kind of engine lubrication system of hybrid vehicle, the mixing is dynamic
Power automobile include entire car controller, engine and motor, the engine lubrication system include gear set, electric control clutch and
Mechanical oil pump；
The engine and the motor coaxial parallel-connection, at least one in the engine and the motor is described
Hybrid vehicle provides power；
The motor is connect with the mechanical oil pump by the gear set, the gear set and the mechanical oil pump it
Between be provided with the electric control clutch, the electric control clutch is connect with the entire car controller, and the electric control clutch is used for
It is detached under the control of the entire car controller so that the gear set dallies or tied under the control of the entire car controller
It closes so that the motor drives the mechanical oil pump to be lubricated the engine.
Optionally, the entire car controller includes：
Engine condition judging unit, for judging the engine operating state；
First detection unit, for detecting that speed reaches engine pretrigger speed threshold value and/or accelerator open degree reaches
During to engine pretrigger accelerator open degree threshold value, generate the first input signal and export；
First control unit, at the judgement engine not running, the operational mode of the hybrid vehicle
When electric-only mode, the electric control clutch is controlled to detach so that the motor drive gear set idle running, is additionally operable to
The electric control clutch is controlled with reference to so that the motor drives the mechanical oil pump to institute according to first input signal
Engine is stated to be lubricated.
Optionally, the engine pretrigger speed threshold value is less than engine start vehicle speed value, the engine pretrigger
Accelerator open degree threshold value is less than engine start accelerator open degree value.
Optionally, the entire car controller includes：
Engine condition judging unit, for judging the engine operating state；
Second detection unit, for when detecting that the motor speed is improved to engine gear point rotary speed threshold value,
It generates the second input signal and exports；
Second control unit, at the judgement engine not running, the operational mode of the hybrid vehicle
When electric-only mode, the electric control clutch is controlled to detach so that the motor drive gear set idle running, is additionally operable to
The electric control clutch is controlled with reference to so that the motor drives the mechanical oil pump to institute according to second input signal
Engine is stated to be lubricated.
Optionally, the engine gear point rotary speed threshold value is less than engine gear point rotating speed.
Optionally, first control unit is additionally operable to：
In judgement engine operation, when the operational mode of the hybrid vehicle is in mixed dynamic model formula, the electricity is controlled
Control clutch is with reference to so that the motor drives the mechanical oil pump to be lubricated the engine.
Optionally, first control unit is additionally operable to：
Switch to close by running in the judgement engine, the operational mode of the hybrid vehicle is turned by mixed dynamic model formula
During for electric-only mode, control the electric control clutch combination preset time so that the mechanical oil pump to the engine into
Row lubrication.
Optionally, the entire car controller includes：
Parameter detecting unit, for the shut-in time length for detecting the engine be greater than or equal to close threshold value,
And the delivery temperature of the engine be less than or equal to temperature threshold when, generate third input signal simultaneously export；
First control unit is additionally operable to control the electric control clutch separation according to the third input signal.
Optionally, the entire car controller includes：
Fault detection unit, for detecting whether the hybrid vehicle motor fault or high voltage fault occurs；
Operational mode control unit, for the motor fault or the high voltage fault generation when, by the mixing
The operational mode of power vehicle is converted to pure engine drive mode, makes mechanical oil pump described in engine driving to the engine
It is lubricated.
Second aspect, the embodiment of the present invention also provide a kind of hybrid vehicle, including engine lubrication as described above
System.
The embodiment of the present invention provides a kind of engine lubrication system of hybrid vehicle, wherein, hybrid vehicle packet
Entire car controller, engine and motor are included, engine lubrication system includes gear set, electric control clutch and mechanical oil pump；Hair
Motivation and motor coaxial parallel-connection, it is at least one in engine and motor to provide power for hybrid vehicle；Motor with
Mechanical oil pump is connected by gear set, and electric control clutch, electric control clutch and vehicle are provided between gear set and mechanical oil pump
Controller connects, and electric control clutch is used to detached under the control of entire car controller so that gear set dallies or in vehicle control
It is combined under the control of device processed so that motor drives mechanical oil pump to be lubricated engine.The technical solution of the embodiment of the present invention
By increasing gear set and electric control clutch in the output terminal of drive motor, motor drives machinery when electric control clutch combines
Oil pump realizes the lubrication of engine, insufficient to solve engine lubrication caused by the engine frequent start-stop of hybrid vehicle
The problem of, being also widely applied to matching engine has the function of the new energy bus of idling start and stop.
Description of the drawings
Fig. 1 is the structure diagram for the engine lubrication system that the embodiment of the present invention one provides；
Fig. 2 is the structure diagram of engine lubrication system provided by Embodiment 2 of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrated only in description, attached drawing.
Embodiment one
Fig. 1 show the structure diagram of the engine lubrication system of the offer of the embodiment of the present invention one, the engine lubrication
System is used in hybrid vehicle, wherein, hybrid vehicle includes entire car controller 10, engine 20 and motor 30,
Engine lubrication system includes gear set 40, electric control clutch 50 and mechanical oil pump 60；Engine 20 and motor 30 are coaxial simultaneously
Join, it is at least one in engine 20 and motor 30 to provide power for hybrid vehicle；Motor 30 is logical with mechanical oil pump 60
It crosses gear set 40 to connect, electric control clutch 50, electric control clutch 50 and vehicle is provided between gear set 40 and mechanical oil pump 60
Controller 10 connects, electric control clutch 50 be used under the control of entire car controller 10 detach so that gear set 40 dally or
It is combined under the control of entire car controller 10 so that motor 30 drives mechanical oil pump 60 to be lubricated engine 20.
It is understood that speed is slower when hybrid vehicle starts, can be the pure electricity that motor 30 is operated alone
Dynamic model formula；When needing big power drive, engine 20 starts, and driving becomes mixed dynamic model jointly for engine 20 and motor 30
Formula；When road vehicle is more to be caused to run slow or frequent start-stop, engine 20 can be closed into electric-only mode, both saved
It can environmental protection again.Engine 20 needs the friction pair lubricated to include turbocharger, cylinder cap, bent axle, flywheel shaft etc., mechanical oil pump 60
Lubricating the secondary course of work of each friction is：Mechanical oil pump 60 pumps machine oil to main oil gallery from oil sump, with the rotation of engine
Turn to arrive each friction pair such as turbocharger, cylinder cap, bent axle, flywheel shaft again, simple introduction is only done herein, without specifically
It is bright.
Illustratively, hybrid vehicle is started with the electric-only mode that motor 30 is operated alone, in such a mode, whole
Vehicle controller 10 controls electric control clutch 50 to detach, and is connected directly between due to gear set 40 on the output shaft of motor 30,
Motor is driven by motor 30 in the state of the separation of electric control clutch 50 and is dallied；It is driven when needing the access of engine 20
When dynamic, entire car controller can control electricity in advance according to the car status information (such as speed, throttle etc.) of hybrid vehicle
Control clutch 50 is closed, connection gear group 40 and mechanical oil pump 50, so that motor 30 drives mechanical oil pump by gear set 40
50 work, realize the lubrication to engine 20.After engine 20 obtains sufficient lubrication, it is dynamic that engine 20 starts access mixing
Power automobile is driven, and sufficient lubrication has been obtained before starting due to engine 20, can be to avoid due to lubricating insufficient draw
The failures such as the scuffing of cylinder bore, the change watt that rise.
The embodiment of the present invention provides a kind of engine lubrication system of hybrid vehicle, wherein, hybrid vehicle packet
Entire car controller, engine and motor are included, engine lubrication system includes gear set, electric control clutch and mechanical oil pump；Hair
Motivation and motor coaxial parallel-connection, it is at least one in engine and motor to provide power for hybrid vehicle；Motor with
Mechanical oil pump is connected by gear set, and electric control clutch, electric control clutch and vehicle are provided between gear set and mechanical oil pump
Controller connects, and electric control clutch is used to detached under the control of entire car controller so that gear set dallies or in vehicle control
It is combined under the control of device processed so that motor drives mechanical oil pump to be lubricated engine.The technical solution of the embodiment of the present invention
Gear set and electric control clutch are increased by the output terminal in drive motor, before an engine is started, control in advance it is automatically controlled from
Clutch combines, the lubrication for making motor that mechanical oil pump be driven to realize engine, frequent to solve the engine of hybrid vehicle
The problem of engine lubrication is insufficient caused by start and stop, being also widely applied to matching engine has the function of the new of idling start and stop
Energy bus.
Embodiment two
Fig. 2 show the structure diagram of engine lubrication system provided by Embodiment 2 of the present invention, more than the present embodiment
Based on stating embodiment, with reference to figure 2, optionally, entire car controller 10 includes：Engine condition judging unit 11, for judging
20 operating status of engine；First detection unit 12, for detect speed reach engine pretrigger speed threshold value and/or
When accelerator open degree reaches engine pretrigger accelerator open degree threshold value, generate the first input signal and export；First control unit 13,
For in judgement engine not running, when the operational mode of hybrid vehicle is in electric-only mode, control electric control clutch
50 detach so that motor 30 drive gear set 40 dally, be additionally operable to according to the first input signal control electric control clutch 50 combine
So that motor 30 drives mechanical oil pump 60 to be lubricated engine 20.
Optionally, engine pretrigger speed threshold value is less than engine start vehicle speed value, engine pretrigger accelerator open degree
Threshold value is less than engine start accelerator open degree value.
When hybrid vehicle starts running, automobile pure motor driving is driven by motor 30, at this time electric control clutch 50
Separation, mechanical oil pump 60 and engine 20 do not work.It is increased when with speed increase and/or accelerator open degree, vehicle demand work(
Rate, which is gradually increased, needs motor 30 to drag 20 cut-in operation of engine.
Illustratively, when speed reaches engine start vehicle speed value (such as can be 12km/h) and/or accelerator open degree reaches
During to engine start accelerator open degree value (such as can be 50%), it is possible to start engine 20, in order to avoid engine oil pressure
It does not set up also, engine speed is just dragged to idling, electric control clutch 50 is needed to be closed in advance, motor 30 is allowed to pass through
Gear set 40 drives 50 work ahead of mechanical oil pump to be lubricated engine 20.Speed is detected by first detection unit 12
And accelerator open degree, as long as speed reaches engine pretrigger speed threshold value (such as can be 9km/h) and/or accelerator open degree reaches
During engine pretrigger accelerator open degree threshold value (such as can be 40%), generate the first input signal and export single to the first control
Member 13, the first control unit 13 are used to electric control clutch 50 be controlled to combine according to the first input signal, adjust 30 rotating speed of motor
(such as can be 800rpm≤motor speed≤1000rpm), motor 30 drive 60 work of mechanical oil pump by gear set 40
Make so that 20 oil circuit of engine lubricates in advance, and each friction pair occurs due to non-sufficient lubrication when engine 30 being avoided to start
Scuffing of cylinder bore, change watt, booster seizes and wipes the generations of the failures such as shell.
Optionally, entire car controller 10 includes：Engine condition judging unit 11, for judging that engine 20 runs shape
State；Second detection unit 14, for when detecting that motor speed is improved to engine gear point rotary speed threshold value, generating second
Input signal simultaneously exports；Second control unit 15, in judgement 30 not running of engine, the operational mode of hybrid vehicle
During in electric-only mode, control electric control clutch 50 detach so that motor 30 drive gear set 40 dally, be additionally operable to basis
Second input signal control electric control clutch 50 is combined so that motor 30 drives mechanical oil pump 60 to be lubricated engine 20.
Optionally, engine gear point rotary speed threshold value is less than engine gear point rotating speed.
Illustratively, quick arrival shifting points rotating speed (such as can be 1200rpm) is needed when engine 20 starts, passed through
Second detection unit 14 detect motor speed improve to engine gear point rotary speed threshold value (such as can be 1000rpm≤
Motor speed<When 1200rpm), generate the second input signal and be transferred to the second control unit 15,15 basis of the second control unit
Second input signal control electric control clutch 50 combines so that engine oil pressure, which faster reaches preset pressure, (such as can be
More than 200kPa).
Optionally, the first control unit 13 is additionally operable to：It is run in judgement engine 20, the operational mode of hybrid vehicle
During in mixed dynamic model formula, control electric control clutch 50 combines so that motor 30 drives mechanical oil pump 60 to moisten engine 20
It is sliding.
Technical solution through this embodiment, before an engine is started, can each friction lubricating to engine in advance；
After engine start success, automatic clutch is closed, and vehicle normal operation, entire car controller also controls electricity in shift process
Control clutch is closed always, mechanical oil pump work is driven to engine lubrication, engine to be avoided to occur lubricating not by motor
Fully, engine lubrication caused by solving the problems, such as frequent start-stop.
Optionally, the first control unit 13 is additionally operable to：Switch to close by operation in judgement engine 20, hybrid vehicle
Operational mode when switching to electric-only mode by mixed dynamic model formula, control electric control clutch 50 combines preset time, so that machinery oil
60 pairs of engines 20 of pump are lubricated.
It should be noted that the engine 20 of hybrid vehicle is switched to close by operation, operational mode is by mixing dynamic model formula
When switching to electric-only mode, engine 20 also has a large amount of heat not taken away by machine oil, and engine 20 is frequently flame-out to be caused
20 insufficient lubrication of engine, control electric control clutch 50, which combines, after being closed by engine 20 continues preset time, can realize
Engine 20 is preferably lubricated.
Optionally, entire car controller 10 includes：Parameter detecting unit 16, in the shut-in time for detecting engine 20
When length is greater than or equal to the delivery temperature for closing threshold value and engine 20 less than or equal to temperature threshold, it is defeated to generate third
Enter signal and export；First control unit 11 is additionally operable to control electric control clutch separation according to third input signal.
Illustratively, hybrid electric vehicle engine 20 is closed into after electric-only mode, and electric control clutch 50 is also closed
Mechanical oil pump 60 is driven, which to work always, gives engine 20 each friction lubricating, until parameter detecting unit 16 detects engine
20 delivery temperatures are reduced to less than or equal to temperature threshold (such as can be 320 DEG C) and electric control clutch 50 since pure electric vehicle
It is greater than or equal to reference to the duration and closes threshold value (such as can be 3s), then generate third input signal and exports to the first control
Unit 11 processed, the first control unit 11 control electric control clutch 50 to detach according to third input signal, and motor 30 no longer drives
Mechanical oil pump 60 works.
Optionally, entire car controller 10 includes：Fault detection unit 17, for detecting whether hybrid vehicle electricity occurs
30 failure of motivation or high voltage fault；Operational mode control unit 18, in 30 failure of motor or high voltage fault generation, inciting somebody to action
The operational mode of hybrid vehicle is converted to pure engine drive mode, and engine 20 is made to drive mechanical oil pump 60 to engine
20 are lubricated.
It should be noted that high voltage fault refers to power battery or vehicle circuitry breaks down and causes motor 30 that can not carry
For power drive hybrid vehicle, the operational mode of hybrid vehicle is converted to pure engine drive mode at this time, makes hair
Motivation 20 drives mechanical oil pump 60 to be lubricated engine 20.
The technical solution of the present embodiment is realized by increasing gear set in the output terminal of motor to drive mechanical oil pump
The lubrication of engine first passes through electric control clutch combination in fact by signals such as throttle, speeds before judging to need engine start
Now to the lubrication of engine, avoiding engine in hybrid vehicle, lubrication occur insufficient, also avoids because driving source is superfluous
It is remaining to cause the risk of discharged or defective battery, while hybrid power driving source is made to be fully utilized, preferably solve frequency
Engine lubrication problem caused by numerous start and stop, the present embodiment, which is also widely applied to matching engine, has the function of idling start and stop
New energy bus.
Embodiment three
A kind of hybrid vehicle that the embodiment of the present invention three provides, including the engine lube system described in example is performed as described above
System.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of engine lubrication system of hybrid vehicle, which is characterized in that the hybrid vehicle includes vehicle control
Device processed, engine and motor, the engine lubrication system include gear set, electric control clutch and mechanical oil pump；
The engine and the motor coaxial parallel-connection, at least one in the engine and the motor is the mixing
Power vehicle provides power；
The motor is connect with the mechanical oil pump by the gear set, is set between the gear set and the mechanical oil pump
The electric control clutch is equipped with, the electric control clutch is connect with the entire car controller, and the electric control clutch is used in institute
State under the control of entire car controller detach so that the gear set idle running or under the control of the entire car controller combine with
Make the motor that the mechanical oil pump be driven to be lubricated the engine.
2. engine lubrication system according to claim 1, which is characterized in that the entire car controller includes：
Engine condition judging unit, for judging the engine operating state；
First detection unit, for detecting that speed reaches engine pretrigger speed threshold value and/or accelerator open degree reaches hair
During motivation pretrigger accelerator open degree threshold value, generate the first input signal and export；
First control unit, for judging the engine not running, the operational mode of the hybrid vehicle is in pure
During electric model, the electric control clutch is controlled to detach so that the motor drive gear set idle running, is additionally operable to basis
First input signal controls the electric control clutch with reference to so that the motor drives the mechanical oil pump to the hair
Motivation is lubricated.
3. engine lubrication system according to claim 2, which is characterized in that the engine pretrigger speed threshold value is small
In engine start vehicle speed value, the engine pretrigger accelerator open degree threshold value is less than engine start accelerator open degree value.
4. engine lubrication system according to claim 1, which is characterized in that the entire car controller includes：
Engine condition judging unit, for judging the engine operating state；
Second detection unit, for when detecting that the motor speed is improved to engine gear point rotary speed threshold value, generating
Second input signal simultaneously exports；
Second control unit, for judging the engine not running, the operational mode of the hybrid vehicle is in pure
During electric model, the electric control clutch is controlled to detach so that the motor drive gear set idle running, is additionally operable to basis
Second input signal controls the electric control clutch with reference to so that the motor drives the mechanical oil pump to the hair
Motivation is lubricated.
5. engine lubrication system according to claim 4, which is characterized in that the engine gear point rotary speed threshold value is small
In engine gear point rotating speed.
6. engine lubrication system according to claim 2, which is characterized in that first control unit is additionally operable to：
In judgement engine operation, when the operational mode of the hybrid vehicle is in mixed dynamic model formula, control it is described it is automatically controlled from
Clutch is with reference to so that the motor drives the mechanical oil pump to be lubricated the engine.
7. engine lubrication system according to claim 6, which is characterized in that first control unit is additionally operable to：
Judging that the engine switchs to close by running, the operational mode of the hybrid vehicle is switched to pure by mixed dynamic model formula
During electric model, the electric control clutch combination preset time is controlled, so that the mechanical oil pump moistens the engine
It is sliding.
8. engine lubrication system according to claim 7, which is characterized in that the entire car controller includes：
Parameter detecting unit, for the shut-in time length for detecting the engine be greater than or equal to close threshold value and
When the delivery temperature of the engine is less than or equal to temperature threshold, generates third input signal and export；
First control unit is additionally operable to control the electric control clutch separation according to the third input signal.
9. engine lubrication system according to claim 1, which is characterized in that the entire car controller includes：
Fault detection unit, for detecting whether the hybrid vehicle motor fault or high voltage fault occurs；
Operational mode control unit, for the motor fault or the high voltage fault generation when, by the hybrid power
The operational mode of automobile is converted to pure engine drive mode, and mechanical oil pump described in engine driving is made to carry out the engine
Lubrication.
10. a kind of hybrid vehicle, which is characterized in that including the engine lubrication system as described in claim 1~9.
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| CN201711479839.8A CN108252763A (en) | 2017-12-29 | 2017-12-29 | The engine lubrication system and hybrid vehicle of a kind of hybrid vehicle |
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| CN112554990A (en) * | 2019-09-25 | 2021-03-26 | 长城汽车股份有限公司 | Engine lubrication control method and device and oil-electricity hybrid vehicle |
| CN112554990B (en) * | 2019-09-25 | 2021-12-10 | 长城汽车股份有限公司 | Engine lubrication control method and device and oil-electricity hybrid vehicle |
| CN112922692A (en) * | 2021-02-03 | 2021-06-08 | 南昌济铃新能源科技有限责任公司 | Lubricating system of range extender engine and control method thereof |
| CN113833545A (en) * | 2021-10-15 | 2021-12-24 | 潍柴动力股份有限公司 | Method and device for lubricating engine of hybrid electric vehicle and electronic equipment |
| CN115450725A (en) * | 2022-10-08 | 2022-12-09 | 一汽解放汽车有限公司 | Hybrid vehicle engine start control method, device and electronic device |
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