CN105667494B - Vehicle drives mode automatic switchover system and vehicle drives automatic mode switching method - Google Patents
Vehicle drives mode automatic switchover system and vehicle drives automatic mode switching method Download PDFInfo
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- CN105667494B CN105667494B CN201610113040.6A CN201610113040A CN105667494B CN 105667494 B CN105667494 B CN 105667494B CN 201610113040 A CN201610113040 A CN 201610113040A CN 105667494 B CN105667494 B CN 105667494B
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- power
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000010727 cylinder oil Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Mode automatic switchover system is driven the present invention provides a kind of vehicle and vehicle drives automatic mode switching method, is related to field of vehicle control.The vehicle drives mode automatic switchover system and powers on the power-on time t that monitoring unit monitors the Oil Switch of vehicle by throttle, and control instruction is issued according to the long short engine of power-on time t by control unit, and then the engine being connected with described control unit adjusts the work of the fuel injector of the engine according to the control instruction, the system makes automatic switchover of the vehicle between dynamic mode and economic model both modes, improves user experience and driving pleasure.In addition, the present invention provides a kind of vehicles to drive automatic mode switching method, the work of vehicle fuel injector can be adaptively controlled, according to the power-on time that vehicle accelerator switchs to adjust the operating mode of engine.
Description
Technical field
The present invention relates to field of vehicle control, drive mode automatic switchover system more particularly to a kind of vehicle and vehicle is driven
Multiply automatic mode switching method.
Background technique
The tool that vehicle is gone on a journey as people, different crowds have different demands to its performance, just such as engine
Operating mode, someone likes powerful, has impact to feel；Also someone likes economical comfortable, steady to drive.
The needs of in order to meet market and different user, Automotive designers pointedly increase dynamic mode and economy
Mode meets requirement of the different user to vehicle, but this form is all to need artificial selection, to press dynamic mode or economy
Mode switch is just able to achieve, and the replacement between mode is all loaded down with trivial details for driver.In addition, also there are also one under both modes
Determine disadvantage, such as when driving, suddenly accelerates to overtake other vehicles under economic model just very powerless, it is desirable to it is hard when overtaking other vehicles, very passively；?
When opening high speed or steady road traveling under dynamic mode, too excessive fuel consumption.
Mode automatic switchover system and vehicle driving automatic mode switching method are driven therefore, it is necessary to a kind of vehicle to solve
This problem.
Summary of the invention
It is an object of the present invention to provide a kind of vehicle driving mode automatic switchover system, so that vehicle is in power
Automatic switchover between mode and economic model both modes, the comfort and dynamic property for solving vehicle are difficult to adaptively adjust
The problem of, improve vehicle ride comfort.
A further object of the present invention is to provide a kind of vehicle to drive automatic mode switching method, to enable vehicle
It is enough to switch under dynamic mode and economic model automatically, the dynamic property of vehicle and economy are preferably combined and performance, raising
User experience and driving pleasure.
Particularly, the present invention provides a kind of vehicles to drive mode automatic switchover system, comprising:
Throttle powers on monitoring unit, the power-on time t of the Oil Switch for monitoring vehicle；
Control unit, powers on monitoring unit with the throttle and is connected and receives the throttle and power on monitoring for monitoring unit
Power-on time t data, described control unit according to the long short engine of power-on time t issue control instruction；With
Engine is connected with described control unit, and the work of the fuel injector of the engine is adjusted according to the control instruction
Make.
Further, it is configured with the parameter of threshold time T in described control unit, is greater than in the power-on time t described
Then described control unit issues the control instruction for entering economic model to the engine when threshold time T, starts described in control
Machine adjusts the work of the fuel injector with economic model；The then control when the power-on time t is less than the threshold time T
Unit issues the control instruction for entering dynamic mode to the engine, controls the engine with dynamic mode and adjusts the spray
The work of oily device；
Preferably, the threshold time T is not more than 0.4s.
Further, position sensor is equipped at the gas pedal of the vehicle, for monitoring accelerator pedal position.
Further, the position sensor is detecting that the gas pedal is not floored and the braking of vehicle is stepped on
When plate is operated, described control unit issues the control instruction for entering economic model to the engine, controls the engine
The work of the fuel injector is adjusted with economic model.
Particularly, the present invention also provides a kind of vehicles to drive automatic mode switching method, wherein vehicle drives mode root
According to the length of the power-on time t of vehicle accelerator switch, the operating mode of engine is controlled between economic model and dynamic mode
Switching.
Further, threshold time T is preset in the method, when the power-on time t is greater than the threshold time T
Then the engine adjusts the work of the fuel injector with economic model；When the power-on time t is less than the threshold time T
Then the engine adjusts the work of the fuel injector with dynamic mode.
Further, the position of the method monitoring vehicle accelerator pedal, when detecting that the gas pedal is floored
And the power-on time t be less than the threshold time T when, described control unit just to the engine issue enter dynamic mode
Control instruction.
Further, the position of the method monitoring vehicle accelerator pedal, when detecting that the gas pedal do not step on
When the brake pedal of bottom and vehicle is operated, the control that described control unit is issued to the engine into economic model refers to
It enables, controls the work that the engine adjusts the fuel injector with economic model.
Further, in the same revolving speed of the engine and through in the identical situation of engine charge pressure, dynamic mode
Under the distributive value of the fuel injector have more 1mg to 2mg than the distributive value of fuel injector described under economic model, injection time improves
1ms to 3ms.
Further, the threshold time T is not more than 0.4s.
Vehicle of the invention drives mode automatic switchover system, introduces the ginseng that throttle power-on time switches as vehicle mode
Foundation is examined, then switches into dynamic mode in fast powering-up in short-term, promotes vehicle power to increase distributive value, otherwise such as vehicle
It is powered at a slow speed when long and then enters economic model, with relatively inexpensive state fuel feeding, achieve the effect that save fuel oil, while meeting and relaxing
Adaptive improves user in this way, system can be realized the automatic switchover between dynamic mode and economic model both modes
Experience and driving pleasure.
Further, in conjunction with the position sensor being arranged under gas pedal, it can more reliably judge the driving of user
Desired pattern is then controlled vehicle and is run with economic model when position sensor detects that gas pedal is not stepped on to die, is improved to drive and be relaxed
While adaptive and economy, guarantee safety, only in the case where gas pedal is floored, vehicle is possible to enter
Dynamic mode.
In addition, the present invention also provides a kind of vehicles to drive automatic mode switching method, can be switched according to vehicle accelerator
Power-on time adaptively control the work of vehicle fuel injector, to adjust the operating mode of engine, so that in power
Automatic switchover between mode and economic model both modes, improves user experience and driving pleasure.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the structural schematic diagram that vehicle according to an embodiment of the invention drives mode automatic switchover system；
Fig. 2 is the work flow diagram that vehicle in accordance with another embodiment of the present invention drives automatic mode switching method.
Specific embodiment
Embodiment 1
Fig. 1 is that the vehicle of the present embodiment drives the structural schematic diagram of mode automatic switchover system.As shown in Figure 1, the system
Generally can include:
Throttle powers on monitoring unit 2, the power-on time t of the Oil Switch 1 for monitoring vehicle；
Control unit 3 powers on monitoring unit 2 with the throttle and is connected and receives the prison that the throttle powers on monitoring unit 2
The data of the power-on time t measured, described control unit 3 issue control instruction according to the long short engine 4 of power-on time t；
With
Engine 4 is connected with described control unit 3, and the fuel injector 5 of the engine 4 is adjusted according to the control instruction
Work.
In addition, preferentially being run in the economy mode when engine start.
The vehicle of the present embodiment drives mode automatic switchover system, introduces what throttle power-on time switched as vehicle mode
Reference frame then switches into dynamic mode in fast powering-up in short-term, with increase distributive value promoted vehicle power, it is on the contrary then into
Enter economic model, with relatively inexpensive state fuel feeding, achievees the effect that save fuel oil, while meeting comfort, in this way, system energy
Enough automatic switchovers realized between dynamic mode and economic model both modes.
Further, it is configured with the parameter of threshold time T in described control unit 3, is greater than in the power-on time t described
Then described control unit 3 issues the control instruction for entering economic model to the engine 4 when threshold time T, controls the hair
Motivation 4 adjusts the work of the fuel injector 5 with economic model；It is then described when the power-on time t is less than the threshold time T
Control unit 3 issues the control instruction for entering dynamic mode to the engine 4, controls the engine 4 with dynamic mode tune
Save the work of the fuel injector 5；Preferably, the threshold time T is not more than 0.4s.
It, can be to judge that a threshold value is set up in the switching of dynamic mode and economic model, just by the setting of threshold time T
It is adjusted in technical staff according to the demand of different crowd, and it is then dynamic for that can distinguish for being disposed at no more than 0.4s
The considerations of force mode and economic model.
But if adjusting vehicle only by power-on time drives mode, there may be defect on safety, because
This present embodiment is equipped with position sensor 6 at the gas pedal of the vehicle, for monitoring accelerator pedal position.In conjunction with throttle
The position sensor 6 being arranged under pedal can more reliably judge the driving desired pattern of user, when position sensor 6 is examined
It measures gas pedal not step on to die, then controls vehicle and run with economic model, ride comfort and economy are improved, only in throttle
In the case that pedal is floored, vehicle is possible to enter dynamic mode.
It is understood that position sensor described in the present embodiment only needs that detection throttle situation on earth can be played,
Common such as Hall sensor can be realized as.
In addition, vehicle with dynamic mode when driving, after stepping on brake switch 7, engine 4 receive braking letter
Number, then immediately enter economic model.
Embodiment 2
Present embodiments provide a kind of vehicle driving automatic mode switching method, wherein vehicle drives mode according to vehicle
The length of the power-on time t of Oil Switch controls switching of the operating mode of engine between economic model and dynamic mode.
Fig. 2 is the work flow diagram that automatic mode switching method is driven according to the vehicle of the present embodiment.
Process as shown in Figure 2 when engine start, is preferentially run in the economy mode.
Oil Switch power-on time t is detected, and is preset with threshold time T in the method, it is big in the power-on time t
Then the engine adjusts the work of the fuel injector with economic model when the threshold time T.Engine ECU believes voltage
Breath acquires and distributes the distributive value of each cylinder injector, the increase distributive value of oil mass size with revolving speed increase and from small to large.Example
Under economic model are as follows: 1, engine speed 2000r/min, in the case of admission pressure 60kPa, every cylinder oil mass Q is 16.5mg, spray
The oily time is 5.86ms；2, in the case of engine speed 2500r/min, admission pressure 60kPa, every cylinder oil mass Q is 17.6mg, spray
The oily time is 6.26ms；3, in the case of engine speed 3000r/min, admission pressure 60kPa, every cylinder oil mass Q is 18.7mg, spray
The oily time is 6.76ms.
When the power-on time t is less than the threshold time T, then the engine with dynamic mode adjusts the oil spout
The work of device, ECU will more become Injection strategy and motor characteristic curve data, increase distributive value, promote dynamic property.
Further, in the same revolving speed of the engine and through in the identical situation of engine charge pressure, dynamic mode
Under the distributive value of the fuel injector have more 1mg to 2mg than the distributive value of fuel injector described under economic model, injection time improves
1ms to 3ms.
Such as under dynamic mode are as follows: 1, engine speed 2000r/min, in the case of admission pressure 60kPa, every cylinder oil mass Q
For 17.5mg, injection time 6.86ms；2, in the case of engine speed 2500r/min, admission pressure 60kPa, every cylinder oil mass Q
For 18.6mg, injection time 7.26ms；3, in the case of engine speed 3000r/min, admission pressure 60kPa, every cylinder oil mass Q
For 19.7mg, injection time 8.76ms.
Further, the position of the method monitoring vehicle accelerator pedal, when detecting that the gas pedal is floored
And the power-on time t be less than the threshold time T when, described control unit just to the engine issue enter dynamic mode
Control instruction.Preferably, the threshold time T is not more than 0.4s.
The present embodiment introduces the reference frame that throttle power-on time t switches as vehicle mode, is compared with threshold value T,
Then switch into dynamic mode in fast powering-up in short-term, promote vehicle power to increase distributive value, on the contrary it is then into economic mould
Formula achievees the effect that save fuel oil, while meeting comfort, in this way, system can be realized with relatively inexpensive state fuel feeding
Automatic switchover between dynamic mode and economic model both modes.
For security consideration, the method monitors the position of vehicle accelerator pedal, when detecting that the gas pedal do not have
Have and floor and when the brake pedal of vehicle is operated, described control unit is issued to the engine enters economic model
Control instruction controls the work that the engine adjusts the fuel injector with economic model.In conjunction with the position being arranged under gas pedal
Sensor is set, can more reliably judge the driving desired pattern of user, when position sensor detects that gas pedal is not stepped on
Extremely, then it controls vehicle to run with economic model, improves ride comfort and economy, the feelings only floored in gas pedal
Under condition, vehicle is possible to enter dynamic mode.
In addition, in vehicle with dynamic mode, when driving, after stepping on brake switch, engine receives brake signal,
Then immediately enter economic model.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. a kind of vehicle drives mode automatic switchover system, comprising:
Throttle powers on monitoring unit, the power-on time t of the Oil Switch for monitoring vehicle；
Control unit, with the throttle power on monitoring unit be connected and receive the throttle power on monitoring unit monitor it is upper
The data of electric time t, described control unit issue control instruction according to the long short engine of power-on time t；With
Engine is connected with described control unit, and the work of the fuel injector of the engine is adjusted according to the control instruction；
Wherein, it is configured with the parameter of threshold time T in described control unit, is greater than the threshold time T in the power-on time t
When then described control unit to the engine issue enter economic model control instruction, control the engine with economic mould
Formula adjusts the work of the fuel injector；When the power-on time t is less than the threshold time T then described control unit to described
Engine issues the control instruction for entering dynamic mode, controls the work that the engine adjusts the fuel injector with dynamic mode
Make.
2. vehicle according to claim 1 drives mode automatic switchover system, which is characterized in that the threshold time T is not
Greater than 0.4s.
3. vehicle according to claim 2 drives mode automatic switchover system, which is characterized in that the throttle of the vehicle is stepped on
Position sensor is equipped at plate, for monitoring accelerator pedal position.
4. vehicle according to claim 3 drives mode automatic switchover system, which is characterized in that the position sensor exists
When detecting that the gas pedal is not floored and the brake pedal of vehicle is operated, described control unit is started to described
Machine issues the control instruction for entering economic model, controls the work that the engine adjusts the fuel injector with economic model.
5. the vehicle that a kind of vehicle as described in claim 1 drives mode automatic switchover system drives mode automatic switchover side
Method, wherein vehicle drives the length for the power-on time t that mode is switched according to vehicle accelerator, and the operating mode for controlling engine exists
Switching between economic model and dynamic mode；
Threshold time T is preset in the method, the then engine when the power-on time t is greater than the threshold time T
The work of the fuel injector is adjusted with economic model；The then engine when the power-on time t is less than the threshold time T
The work of the fuel injector is adjusted with dynamic mode.
6. vehicle according to claim 5 drives automatic mode switching method, which is characterized in that the method monitors vehicle
The position of gas pedal, when detect the gas pedal floored and the power-on time t be less than the threshold time T
When, described control unit just issues the control instruction for entering dynamic mode to the engine.
7. vehicle according to claim 5 drives automatic mode switching method, which is characterized in that the method monitors vehicle
The position of gas pedal, it is described when detecting that the gas pedal is not floored and the brake pedal of vehicle is operated
Control unit issues the control instruction for entering economic model to the engine, controls the engine with economic model and adjusts institute
State the work of fuel injector.
8. vehicle according to claim 5 drives automatic mode switching method, which is characterized in that same in the engine
Revolving speed and through in the identical situation of engine charge pressure, the distributive value of the fuel injector is than institute under economic model under dynamic mode
The distributive value for stating fuel injector has more 1mg to 2mg, and injection time improves 1ms to 3ms.
9. the vehicle according to any one of claim 5 to 8 drives automatic mode switching method, which is characterized in that described
Threshold time T is not more than 0.4s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610113040.6A CN105667494B (en) | 2016-02-29 | 2016-02-29 | Vehicle drives mode automatic switchover system and vehicle drives automatic mode switching method |
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| CN201610113040.6A CN105667494B (en) | 2016-02-29 | 2016-02-29 | Vehicle drives mode automatic switchover system and vehicle drives automatic mode switching method |
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| CN105667494A CN105667494A (en) | 2016-06-15 |
| CN105667494B true CN105667494B (en) | 2019-05-31 |
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Families Citing this family (3)
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| CN110667589A (en) * | 2018-12-29 | 2020-01-10 | 长城汽车股份有限公司 | Driving mode skip control method, system and controller |
| CN110979027B (en) * | 2019-12-31 | 2021-05-25 | 厦门金龙联合汽车工业有限公司 | Control method for economic mode of pure electric bus |
| CN111942403B (en) * | 2020-08-12 | 2022-02-22 | 中国第一汽车股份有限公司 | Mode switching method, device, equipment and storage medium |
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| CN101898554B (en) * | 2010-06-22 | 2013-01-23 | 重庆长安汽车股份有限公司 | Vehicle automatic transmission sports mode control method |
| CN102207193B (en) * | 2011-03-21 | 2013-12-11 | 重庆长安汽车股份有限公司 | Gear shift controlling method of DCT (double clutch transmission) automatic transmission in stepping an accelerator by urgency |
| CN102661206B (en) * | 2012-05-11 | 2015-07-15 | 三一重工股份有限公司 | Engine control device, engineering vehicle and engine control method |
| WO2013183063A2 (en) * | 2012-06-01 | 2013-12-12 | Mahindra & Mahindra Limited | Power-economy mode control system for a vehicle |
| CN204279409U (en) * | 2014-11-28 | 2015-04-22 | 长城汽车股份有限公司 | A kind of control setup of automatic catch vehicle driving model and vehicle |
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