CN106640380B - Control method, system and the vehicle of vehicle - Google Patents
Control method, system and the vehicle of vehicle Download PDFInfo
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- CN106640380B CN106640380B CN201510713525.4A CN201510713525A CN106640380B CN 106640380 B CN106640380 B CN 106640380B CN 201510713525 A CN201510713525 A CN 201510713525A CN 106640380 B CN106640380 B CN 106640380B
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- 206010017577 Gait disturbance Diseases 0.000 claims description 13
- 230000008450 motivation Effects 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The present invention provides a kind of control methods of vehicle, system and vehicle, this method comprises: the water temperature of detection engine, judge the water temperature of engine whether less than the first preset temperature, if the water temperature of engine is less than the first preset temperature, it then controls continuous variable valve lift system and valve stroke is adjusted to maximum lift, and pass through the air inflow of throttle adjustment engine according to the current operating condition of engine, if the water temperature of engine is greater than or equal to the first preset temperature, throttle adjustment is then controlled to maximum opening, and the air inflow of engine is adjusted by continuous variable valve lift system according to the current operating condition of engine.Method of the invention can optimize engine air inflow under multiple operating conditions, to promote the working efficiency of engine.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of control method of vehicle, system and vehicle.
Background technique
In the related technology, some petrol engines be by throttle adjustment air inflow, there are also it is some be to pass through valve
Lift mechanisms adjust air inflow.Changing throttle opening come in by way of adjusting air inflow, when engine is in Smaller load
When operating condition, throttle opening very little, the vacuum degree after air throttle is very big, leads to pumping loss of the engine in scavenging period very
Greatly.In in such a way that air valve lift range mechanism adjusts air inflow, the port timing of air valve lift range mechanism be based on a certain spy
Determine condition range determination and the local optimum to engine performance, valve motion rule is determined by cam profile.It is this
Valve operating parameter is generally fixed and invariable, and the air inflow for causing engine to be under other operating conditions is simultaneously unreasonable.It is discontinuous
Variable air valve lift range mechanism can not meet ideal air inflow demand of the engine under various working, it may be assumed that continuously change
Air valve variation lift cannot be guaranteed the ideal air inflow of engine under various working.
Summary of the invention
In view of this, the present invention is directed to propose a kind of control method of vehicle, this method can select section under different operating conditions
Air inflow is adjusted in valve or continuous variable valve lift system, so as to optimize engine under multiple operating conditions
Air inflow promotes the working efficiency of engine.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control method of vehicle, comprising the following steps: detect the water temperature of engine；Judge the water temperature of the engine
Whether less than the first preset temperature；If the water temperature of the engine is less than first preset temperature, continuous variable is controlled
Valve stroke is adjusted to maximum lift by valve lift system, and passes through throttle adjustment according to the current operating condition of engine
The air inflow of engine；If the water temperature of the engine is greater than or equal to first preset temperature, the solar term are controlled
Door is adjusted to maximum opening, and passes through the continuous variable valve lift system tune according to the current operating condition of the engine
Save the air inflow of the engine.
Further, if the water temperature of the engine is less than first preset temperature, continuous variable is controlled
Valve stroke is adjusted to maximum lift by valve lift system, and passes through throttle adjustment according to the current operating condition of engine
The air inflow of engine further comprises: detection environment temperature；Judge the environment temperature whether less than the second preset temperature,
Wherein, second preset temperature is less than first preset temperature；If the environment temperature is less than the described second default temperature
It spends and the engine is in starting state, then while valve stroke is adjusted to maximum lift, by the air throttle tune
It saves to maximum opening.
Further, it when adjusting the air inflow of the engine by the continuous variable valve lift system, also wraps
It includes: detecting whether the continuous variable valve lift system enters excess temperature and/or overload protection state；If it is, to described
Valve stroke is corrected, and judges whether correction succeeds；If corrected successfully, the continuously variable valve lift system is controlled
System and engine operate normally；If correction failure, the valve stroke is reset to minimum lift, and start described in control
Machine enters limping mode.
Further, when the engine is in operating status, whether the continuous variable valve lift system is detected
It breaks down；If it is, the valve stroke is reset to minimum lift, and controls the engine and enter limping mode.
Further, first preset temperature is 55 DEG C to 65 DEG C, and second preset temperature is -12 DEG C to -8 DEG C.
Compared with the existing technology, the control method of vehicle of the present invention has the advantage that
The control method of vehicle of the present invention can be selected through air throttle also according to the different operating conditions of engine
It is that air inflow is adjusted in continuous variable valve lift system, in such manner, it is possible to better meet engine under multiple operating conditions
Ideal air inflow demand, to promote the working efficiency of engine.
It is another object of the present invention to the control system for proposing a kind of vehicle, which can select under different operating conditions
Air inflow is adjusted in air throttle or continuous variable valve lift system, so as to optimize engine under multiple operating conditions
Air inflow, promote the working efficiency of engine.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control system of vehicle, comprising: detection module, for detecting the water temperature of engine；Judgment module, for sentencing
Break the engine water temperature whether less than the first preset temperature；Control module is less than institute for the water temperature in the engine
When stating the first preset temperature, valve stroke is adjusted to maximum lift by control continuous variable valve lift system, and according to starting
The current operating condition of machine passes through the air inflow of throttle adjustment engine, and is greater than or equal in the water temperature of the engine
When first preset temperature, the throttle adjustment is controlled to maximum opening, and according to the current operation work of the engine
Condition adjusts the air inflow of the engine by the continuous variable valve lift system.
Further, the control module is also used to when the water temperature of the engine is less than first preset temperature,
Further judge environment temperature whether less than the second preset temperature, and the environment temperature be less than second preset temperature and
When the engine is in starting state, while valve stroke is adjusted to maximum lift, extremely by the throttle adjustment
Maximum opening, wherein second preset temperature is less than first preset temperature.
Further, the control module is also used to by starting described in continuous variable valve lift system adjusting
When the air inflow of machine, detect whether the continuous variable valve lift system enters excess temperature and/or overload protection state, if
It is then to be corrected to the valve stroke, and judge whether correction succeeds, if corrected successfully, controls and described continuously may be used
Air valve variation actuating system and engine operate normally, if correction failure, is reset to minimum lift for the valve stroke, and
It controls the engine and enters limping mode.
Further, the control module is also used to when the engine is in operating status, and detection is described continuously may be used
Whether air valve variation actuating system breaks down, if it is, the valve stroke is reset to minimum lift, and controls the hair
Motivation enters limping mode.
The control method of the control system of the vehicle and above-mentioned vehicle compared with the existing technology possessed by advantage
Identical, details are not described herein.
It is another object of the present invention to propose a kind of vehicle, the vehicle can be selected under different operating conditions air throttle or
Air inflow is adjusted in continuous variable valve lift system, so as to optimize air inflow of the engine under multiple operating conditions,
Promote the working efficiency of engine.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle is provided with the control system of the vehicle as described in above-described embodiment.
Possessed advantage is identical compared with the existing technology with the control system of above-mentioned vehicle for the vehicle, herein not
It repeats again.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of vehicle described in the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of vehicle described in one embodiment of the invention；
Fig. 3 is the structural block diagram of the control system of vehicle described in the embodiment of the present invention.
Description of symbols:
100- detection module, 200- judgment module, 300- control module.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Fig. 1 is the flow chart of the control method of vehicle according to an embodiment of the invention.
As shown in Figure 1, the control method of vehicle according to an embodiment of the invention, comprising the following steps:
S101: the water temperature of engine is detected.
In one embodiment of the invention, engine water temperature can be detected by temperature sensor, temperature passes
Sensor has the advantages that at low cost.
S102: judge the water temperature of engine whether less than the first preset temperature.
Wherein, the first preset temperature value range is but is not limited to 55 DEG C to 65 DEG C, in the following description, the first default temperature
Degree is for 60 DEG C.
S103: if the water temperature of engine controls continuous variable valve lift system for gas less than the first preset temperature
Door lift is adjusted to maximum lift, and passes through the air inflow of throttle adjustment engine according to the current operating condition of engine.
Such as: if the water temperature of engine is lower than 60 DEG C, then it is assumed that vehicle is in warm-up period, at this point it is possible to utilize section
The air inflow of valve adjustments engine, to meet the air inlet demand of engine.
As shown in Fig. 2, can also further detect environment temperature when the water temperature of engine is less than the first preset temperature；
And judge environment temperature whether less than the second preset temperature, wherein the second preset temperature is less than the first preset temperature；If environment
Temperature is less than the second preset temperature and engine is in starting state, then while valve stroke is adjusted to maximum lift,
By throttle adjustment to maximum opening.Wherein, the value range of the second preset temperature be -12 DEG C to -8 DEG C, for -10 DEG C into
Row explanation.
For example, after the water temperature that engine is detected by temperature sensor, if water temperature is lower than 60 DEG C, first
The valve stroke of continuous variable valve lift system is adjusted to maximum.Further, if environment temperature is lower than -10 DEG C,
Air throttle is adjusted, turns on utmostly, air inflow is maximized, to realize engine rapid warming-up, and then is guaranteed
Engine is preferably completed to start.
S104: it if the water temperature of engine is greater than or equal to the first preset temperature, controls throttle adjustment to maximum and opens
Degree, and the air inflow of continuous variable valve lift system adjusting engine is passed through according to the current operating condition of engine.
Such as: if the water temperature of engine is higher than 60 DEG C, then it is assumed that vehicle normally starts and runs, at this point, can
To adjust the air inflow of engine using continuous variable valve lift system, to meet the air inlet demand of engine.
For example, if the water temperature of engine is higher than 60 DEG C, air throttle is opened arrive utmostly first, and then only
Using the air inflow of continuous variable valve lift system control at this time, to guarantee the ideal air inflow of engine.
In addition, being sent out as shown in Fig. 2, being adjusted according to the current operating condition of engine by continuous variable valve lift system
While the air inflow of motivation, this method further include: engine at runtime, detects continuous variable valve lift system in real time
Whether excess temperature and/or overload protection state are entered；If it is, being corrected to valve stroke, and judge whether correction succeeds；
If corrected successfully, controls continuous variable valve lift system and engine operates normally；If correction failure, by valve
Lift is reset to minimum lift, and controls engine and enter limping mode.
Wherein, the purpose of correction be in order to judge continuous variable valve lift system with the presence or absence of problem, such as: if can
Valve stroke is corrected to a prespecified lift, then determine to correct successfully, it may be assumed that continuous variable valve lift system does not have
Problem is occurred, so as to continue air inflow control using continuous variable valve lift system, if cannot be by valve
Lift is corrected to a prespecified lift, then determines correction failure, at this time, it is believed that continuous variable valve lift system may
It breaks down.
Minimum lift can be 1mm lift location, and after valve stroke is reset to minimum lift, air input of engine by air is few, consumption
It can be small.Limping mode refers to for example when the ECU (Electronic Control Unit, electronic control unit) etc. in vehicle goes out
When existing failure, ECU enables standby control loop automatically and is simply controlled engine, arrive vehicle can with home, James or attached
Close vehicle repairing factory places under repair.
The control method of vehicle according to an embodiment of the present invention can select to pass through section according to the different operating conditions of engine
Air inflow is adjusted in valve or continuous variable valve lift system, in such manner, it is possible to better meet engine multiple
Ideal air inflow demand under operating condition, to promote the working efficiency of engine.
In one embodiment of the invention, as shown in Fig. 2, the step of the control method of vehicle, further includes:
S105: when engine is in operating status, it can also detect whether continuous variable valve lift system event occurs
Barrier.
S106: it if it is, valve stroke is reset to minimum lift, and controls engine and enters limping mode.In turn,
Vehicle can be made when continuous variable valve lift system breaks down, guarantee that engine can continue to run, make vehicle can be with
It home, James or places under repair to neighbouring vehicle repairing factory.
Fig. 3 is the structural block diagram of the control system of vehicle according to an embodiment of the invention.
As shown in figure 3, the control system of vehicle according to an embodiment of the invention, comprising: detection module 100, judgement
Module 200 and control module 300.
Wherein, detection module 100 is used to detect the water temperature of engine；Judgment module 200 is used to judge the water temperature of engine
Whether less than the first preset temperature；Control module 300 is used for when the water temperature of engine is less than the first preset temperature, and control is continuous
Valve stroke is adjusted to maximum lift by variable valve lift system, and passes through air throttle according to the current operating condition of engine
The air inflow of engine is adjusted, and when the water temperature of engine is greater than or equal to the first preset temperature, controls throttle adjustment
Pass through the air inlet that continuous variable valve lift system adjusts engine to maximum opening, and according to the current operating condition of engine
Amount.
In an embodiment of the present invention, control module 300 can be also used for the water temperature in engine less than the first default temperature
When spending, environment temperature is further judged whether less than the second preset temperature, and in environment temperature less than the second preset temperature and hair
When motivation is in starting state, while valve stroke is adjusted to maximum lift, by throttle adjustment to maximum opening,
In, the second preset temperature is less than the first preset temperature.
Further, control module 300 can be also used for adjusting engine by continuous variable valve lift system
When air inflow, whether detection continuous variable valve lift system enters excess temperature and/or overload protection state, if it is, to gas
Door lift is corrected, and judges whether correction succeeds, if corrected successfully, controls continuous variable valve lift system and hair
Motivation operates normally, if correction failure, is reset to minimum lift for valve stroke, and control engine and enter limping mould
Formula.
Further, control module 300 can be also used for when engine is in operating status, detect continuous variable gas
Whether door actuating system breaks down；If it is, valve stroke is reset to minimum lift, and controls engine and enter limping
Mode.
The control system of vehicle according to an embodiment of the present invention can select to pass through section according to the different operating conditions of engine
Air inflow is adjusted in valve or continuous variable valve lift system, in such manner, it is possible to better meet engine multiple
Ideal air inflow demand under operating condition, to promote the working efficiency of engine.
It should be noted that the specific implementation and the embodiment of the present invention of the control system of the vehicle of the embodiment of the present invention
Vehicle control method specific implementation it is similar, specifically refer to the description of method part, in order to reduce redundancy, herein
It does not repeat them here.
Further, embodiment of the invention discloses a kind of vehicle, it is provided with the control of the vehicle such as above-described embodiment
System.The vehicle can select to pass through air throttle or continuous variable valve lift system pair according to the different operating conditions of engine
Air inflow is adjusted, in such manner, it is possible to ideal air inflow demand of the engine under multiple operating conditions is better meet, from
And promote the working efficiency of engine.
In addition, other compositions of vehicle according to an embodiment of the present invention and effect are for those of ordinary skill in the art
For be all it is known, in order to reduce redundancy, do not repeat them here.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of control method of vehicle, which comprises the following steps:
Detect the water temperature of engine；
Judge the water temperature of the engine whether less than the first preset temperature；
If the water temperature of the engine is less than first preset temperature, continuous variable valve lift system is controlled by valve
Lift is adjusted to maximum lift, and passes through the air inflow of throttle adjustment engine according to the current operating condition of engine；
If the water temperature of the engine is greater than or equal to first preset temperature, the throttle adjustment is controlled to maximum
Aperture, and the engine is adjusted by the continuous variable valve lift system according to the current operating condition of the engine
Air inflow；
Wherein, if the water temperature of the engine is less than first preset temperature, continuously variable valve lift is controlled
Valve stroke is adjusted to maximum lift by system, and passes through throttle adjustment engine according to the current operating condition of engine
Air inflow further comprises:
Detect environment temperature；
Judge the environment temperature whether less than the second preset temperature, wherein it is pre- that second preset temperature is less than described first
If temperature；
If the environment temperature is less than second preset temperature and the engine and is in starting state, by valve liter
While journey is adjusted to maximum lift, by the throttle adjustment to maximum opening.
2. the control method of vehicle according to claim 1, which is characterized in that passing through the continuously variable valve lift
When system adjusts the air inflow of the engine, further includes:
Detect whether the continuous variable valve lift system enters excess temperature and/or overload protection state；
If it is, being corrected to the valve stroke, and judge whether correction succeeds；
If corrected successfully, controls the continuous variable valve lift system and engine operates normally；
If correction failure, is reset to minimum lift for the valve stroke, and control the engine and enter limping mode.
3. the control method of vehicle according to claim 1, which is characterized in that further include:
When the engine is in operating status, detect whether the continuous variable valve lift system breaks down；
If it is, the valve stroke is reset to minimum lift, and controls the engine and enter limping mode.
4. the control method of vehicle according to claim 1-3, which is characterized in that first preset temperature is
55 DEG C to 65 DEG C, second preset temperature is -12 DEG C to -8 DEG C.
5. a kind of control system of vehicle characterized by comprising
Detection module (100), for detecting the water temperature of engine；
Judgment module (200), for judging the water temperature of the engine whether less than the first preset temperature；
Control module (300) when being less than first preset temperature for the water temperature in the engine, controls continuous variable gas
Valve stroke is adjusted to maximum lift by door actuating system, and is sent out according to the current operating condition of engine by throttle adjustment
The air inflow of motivation, and when the water temperature of the engine is greater than or equal to first preset temperature, control the solar term
Door is adjusted to maximum opening, and passes through the continuous variable valve lift system tune according to the current operating condition of the engine
Save the air inflow of the engine；
Wherein, the control module (300) is also used to when the water temperature of the engine is less than first preset temperature, into one
Step judge environment temperature whether less than the second preset temperature, and in the environment temperature less than second preset temperature and described
When engine is in starting state, while valve stroke is adjusted to maximum lift, by the throttle adjustment to maximum
Aperture, wherein second preset temperature is less than first preset temperature.
6. the control system of vehicle according to claim 5, which is characterized in that the control module (300) is also used to
When adjusting the air inflow of the engine by the continuous variable valve lift system, the continuously variable valve lift is detected
Whether system enters excess temperature and/or overload protection state, if it is, being corrected the valve stroke, and judges to correct
Whether succeed, if corrected successfully, controls the continuous variable valve lift system and engine operates normally, if correction
Failure, then be reset to minimum lift for the valve stroke, and control the engine and enter limping mode.
7. according to the control system of the described in any item vehicles of claim 5-6, which is characterized in that the control module (300)
It is also used to detect whether the continuous variable valve lift system breaks down, such as when the engine is in operating status
Fruit is the valve stroke to be then reset to minimum lift, and control the engine and enter limping mode.
8. a kind of vehicle, which is characterized in that the control system just like the described in any item vehicles of claim 5-7 is arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510713525.4A CN106640380B (en) | 2015-10-28 | 2015-10-28 | Control method, system and the vehicle of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510713525.4A CN106640380B (en) | 2015-10-28 | 2015-10-28 | Control method, system and the vehicle of vehicle |
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| CN106640380A CN106640380A (en) | 2017-05-10 |
| CN106640380B true CN106640380B (en) | 2019-10-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108561231B (en) * | 2017-06-09 | 2020-09-04 | 长城汽车股份有限公司 | Control strategy for continuously variable valve lift mechanism |
| CN114704347B (en) * | 2021-04-01 | 2023-01-24 | 长城汽车股份有限公司 | Variable valve lift mechanism control method and terminal equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644894A (en) * | 2004-01-20 | 2005-07-27 | 本田技研工业株式会社 | Control method for internal combustion engine |
| CN101210504A (en) * | 2006-12-28 | 2008-07-02 | 株式会社日立制作所 | Engine air intake volume control device and engine intake air volume control method |
| CN101321932A (en) * | 2005-12-05 | 2008-12-10 | 丰田自动车株式会社 | Control devices for internal combustion engines |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4905175B2 (en) * | 2006-03-31 | 2012-03-28 | マツダ株式会社 | Spark ignition gasoline engine |
| KR101807008B1 (en) * | 2012-07-20 | 2017-12-08 | 현대자동차 주식회사 | Control method for cvvl engine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644894A (en) * | 2004-01-20 | 2005-07-27 | 本田技研工业株式会社 | Control method for internal combustion engine |
| CN101321932A (en) * | 2005-12-05 | 2008-12-10 | 丰田自动车株式会社 | Control devices for internal combustion engines |
| CN101210504A (en) * | 2006-12-28 | 2008-07-02 | 株式会社日立制作所 | Engine air intake volume control device and engine intake air volume control method |
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