CN105937471B - Method and device for adjusting an ignition angle intervention at an internal combustion engine - Google Patents
Method and device for adjusting an ignition angle intervention at an internal combustion engine Download PDFInfo
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- CN105937471B CN105937471B CN201610117625.5A CN201610117625A CN105937471B CN 105937471 B CN105937471 B CN 105937471B CN 201610117625 A CN201610117625 A CN 201610117625A CN 105937471 B CN105937471 B CN 105937471B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005474 detonation Methods 0.000 claims description 28
- 230000009467 reduction Effects 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/152—Digital data processing dependent on pinking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
- F02P17/02—Checking or adjusting ignition timing
-
- 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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electrical Control Of Ignition Timing (AREA)
Abstract
The invention relates to a method for adjusting an ignition angle intervention at an internal combustion engine, in which knocking combustion is detected and a retarded ignition time, which is characterized by an ignition angle, is predefined on the basis of the knocking combustion, wherein the knocking combustion is reacted to by a predefined ignition angle recession, which is added to the ignition angle. In such a method, in which a rapidly changing load state is reacted to during operation of the internal combustion engine, a predetermined ignition angle setback value is reduced when knock control is activated.
Description
Technical field
The present invention relates to a kind of methods for adjusting the angle of ignition intervention at internal combustion engine, detect pinking in the internal combustion engine
The time of ignition of the burning of formula and the burning preset delay based on the pinking formula characterized by the angle of ignition, wherein using pre-
The angle of ignition first set steps back numerical value and reacts to the burning of pinking formula, which steps back numerical value and be added to the igniting
Angle.
Background technique
In internal combustion engine commonly, the pinking is detected by detonation sensor.Here, this detonation sensor arrangement
At internal combustion engine and identify internal combustion engine solid acoustic vibration, the solid acoustic vibration is due to the intracorporal explosion like of cylinder in internal combustion engine
It burns and generates.The burning of such explosion like generated in the combustion chamber of internal combustion engine is converted into vibration, which continues
It is transferred to the wall of internal combustion engine and is perceived as solid sound at this.Excessive vibration can result in the damage of internal combustion engine and therefore must
It must be prevented.
For this purpose, signal of the pinking identification as a part evaluation detonation sensor of motor controller function, to identify
The burning of the pinking formula of internal combustion engine.If detecting the burning of pinking formula, preset for next burning with quilt
The angle of ignition of definition is the time of ignition of the delay of form, to avoid the burning of further pinking formula.This process is retouched
It states as pinking adjusting.In the application stage that pinking is adjusted, the different parameters that pinking identification and pinking are adjusted are determined.As right
The numerical value that the reaction of the burning of pinking formula, duration and the angle of ignition are stepped back belongs to the parameter.The determination of such parameter is logical
It is often carried out on motor detecting platform, adjusts fixed motor condition during design parameter in the motor detecting platform.
It is different from the adjusting of these fixations at motor detecting platform, in the actual driving scene of vehicle, usually go out
The load curve now changed faster.For example, vehicle urban transportation or in long distance transportation usually temporarily accelerate and it
The transformation for accelerating and braking is run or existed in relatively low load area afterwards.Herein disadvantageously, in shorter fully loaded rank
Phenomenon of detonation is detected in section, although internal combustion engine is usually only temporarily run in the region that can generate pinking, pinking
It adjusts to step back by the angle of ignition and be reacted with the numerical value determined during application to the phenomenon of detonation.It is caused by this point,
The complete correction usually stepped back without the angle of ignition.
Summary of the invention
The targeted task of the present invention is, illustrates a kind of method, in the method, leads in the actual travel of motor vehicle
Pinking adjusting is crossed reliably to react to fast-changing load curve.
It solves the task in the following manner according to the present invention, i.e., reduces preset igniting when activating pinking to adjust
Numerical value is stepped back at angle.Thus when entering in pinking adjusting zone of action when generating the first phenomenon of detonation, not with whole
The angle of ignition steps back numerical value and reacts.As a result, to only in short-term load rise and the pinking that is attached thereto for, the angle of ignition with compared with
It is small but enough numerical value is called back for the motor operation of safety.This has the advantage that lesser igniting beam
It is enough to avoid the pinking again of the internal combustion engine during the actual travel of motor vehicle in advance.The lesser angle of ignition, which is stepped back, improves effect
The operation mobility characteristic of rate and internal combustion engine during the driving period.
Advantageously, the angle of ignition step back numerical value reduction and detonation signal generation it is related carry out.It therefore ensures that, only
These measures are realized in fact existing phenomenon of detonation.
In a design scheme, in each other phenomenon of detonations, the reduction that the angle of ignition steps back numerical value is reduced, directly
Numerical value is stepped back to the complete angle of ignition is reached again after the quantity of phenomenon of detonation being defined.It thereby guarantees that, when interior
When combustion engine runs at explosivity limit more long namely generates multiple phenomenon of detonations, the angle of ignition applied with being capable of fixing steps back number
Value is just used.
In a variant, the reduction that the angle of ignition steps back numerical value is carried out based on the time.It thereby guarantees that, fixedly
The internal combustion engine of operation is in fact achieve that the determined angle of ignition is stepped back during application.
In one embodiment, the operating point that the angle of ignition steps back the fixation of numerical basis internal combustion engine is determined and to the work
Make to be considered as constant for point.Method proposed by as a result, steps back numerical value based on the constant angle of ignition, which steps back number
Value is designed under conditions of the fixation of internal combustion engine.
Determine that such angle of ignition steps back numerical value in the application stage that the pinking of internal combustion engine is adjusted, wherein considering internal combustion engine
Load and revolving speed.
In another variant schemes, the angle of ignition is stepped back into numerical value and is stored in performance plot, the pinking, which is adjusted, to be based on being somebody's turn to do
Performance plot.Pinking, which adjusts to consult, steps back numerical value corresponding to the angle of ignition of corresponding operating point, to adjust accordingly described in representative
The angle of ignition of time of ignition.The lesser angle of ignition, which steps back numerical value, improves the operation mobility characteristic of efficiency and internal combustion engine.
A modification of the invention is related to the device for adjusting the angle of ignition intervention at internal combustion engine, which receives
The signal of structure-borne sound sensor and according to the signal by the delay at internal combustion engine, by the angle of ignition represent time of ignition export,
The preset angle of ignition, which steps back numerical value, can be added to the angle of ignition.Dynamically to the real-time of the actual driving scene of vehicle
If the device reacted of load curve include dry units, the device reduces preset point when activating pinking to adjust
Numerical value is stepped back at fiery angle.Numerical value is not stepped back when there is the first phenomenon of detonation as a result, with the entire angle of ignition to react.Work as internal combustion engine
When running at pinking limit more long, the angle of ignition fixedly applied is stepped back numerical value and is just used.
Advantageously, the device reduces the angle of ignition according to phenomenon of detonation and/or time-based phenomenon and steps back numerical value.
Detailed description of the invention
The present invention allows a large amount of embodiment.One of embodiment should be by the picture quilt shown in the accompanying drawings
It is specific to illustrate.
Wherein:
Fig. 1 is the device for obtaining the detonation signal in internal combustion engine,
Fig. 2 is for embodiment according to the method for the present invention.
Specific embodiment
Fig. 1 shows the device for obtaining the detonation signal in internal combustion engine.There are four internal combustion engine 1 has in this example
The piston of cylinder body 2,3,4,5, the cylinder body moved in the cylinder body 2,3,4,5 not shown further passes through each one
Connecting rod 6,7,8,9 is connected with crankshaft 10 and drives this crankshaft based on the pressure change caused by burning.Cylinder body 2,3,4,5 and suction pipe
11 are connected, which is closed by the trap 12 that throttles relative to air suction 13.For spraying into the nozzle 14 of fuel and using
In being protruded into each cylinder body 2,3,4,5 into valve 15 for fresh air, so that it is mixed to form fuel-air in cylinder body 2,3,4,5
Close object.In addition, each cylinder body 2,3,4,5 has the discharge valve 16 for exhaust gas, the exhaust gas is generated during combustion process.
Structure-borne sound sensor 17 is arranged at internal combustion engine 1, and structure-borne sound sensor detecting is caused by burning and is transferred to
The solid acoustic vibration of internal combustion engine 1.The signal of structure-borne sound sensor 17 continues to be transferred to controller 18, the controller also with it is opposed
It is connected in the crankshaft sensor 19 of crankshaft 10, wherein burning is arranged controller 18 to the crankshaft sensor 19 for representing crank shaft angle
Signal.Controller 18 includes microprocessor 20 herein, which is connected with memory 21.Storage has spy in memory 21
Property figure, the performance plot according to internal combustion engine 1 knock intensity vir_kr and revolving speed n output the angle of ignition step back as to pinking formula
The reaction of burning.
This performance plot shown in figure 2 is sought when internal combustion engine 1 is applied in the condition of the fixation of internal combustion engine 1,
In the motor condition of the fixation is generated on testboard.In this applications, the parameter example of pinking identification adjusted with pinking
As duration and the angle of ignition step back the reaction that numerical value is determined as the burning to pinking formula.The igniting applied from performance plot
Numerical value and revolving speed are stepped back in relation to and to being constant for fixed revolving speed in angle.In the constant service condition of internal combustion engine 1, from
The delay that such as 3 ° of the angle of ignition obtained in performance plot steps back the burning that numerical value is used in internal combustion engine 1 is adjusted, so as to most
Smallization fully inhibits phenomenon of detonation.
As can be seen from Fig. 2, if based on the load comparatively fast changed in the motor vehicle of internal combustion engine 1 in operation
Curve works in different operating points, then the entire angle of ignition for not utilizing delay used for combustion to adjust is stepped back numerical value and acted on
The phenomenon of detonation generated first.If the zone of action B_kr that pinking is adjusted is set to activity namely corresponding in software control
Binary digit be set to 1 from 0, then it is such intervene completed in the fixed angle of ignition is stepped back.If it is the case, then
Then initialization is workable reduces numerical value ZW_red, which is for example calculated as -1.5 °.If generating phenomenon of detonation now
B_kl, then the angle of ignition is stepped back numerical value and is reduced with the reduction numerical value of this -1.5 ° applied.The effective angle of ignition is stepped back as a result,
Numerical value is calculated as 3 ° -1.5 °=1.5 °.It is to step back numerical value without using the entire angle of ignition and made to phenomenon of detonation caused by this point
Reaction.Using by phenomenon of detonation other each of shown in binary digit B_kl, reduce the reduction in point 23, such as
With 1.5 ° -0.75 °=0.75 ° of value.Here, the delay of 3 ° -0.75 ° crank shaft angle for having obtained 0 is adjusted.With it is each in addition
Phenomenon of detonation, the angle of ignition steps back numerical value close to 3 ° of numerical value seeing from performance plot.In next phenomenon of detonation, point
The reduction of numerical value is stepped back with -0.75 ° of other progress in fiery angle.This point so executes long after each phenomenon of detonation, directly
To 3 ° of the angle of ignition being used in performance plot is reached, to step back numerical value (existing in two other pinkings in the case where described
As later).It therefore ensures that, in each complete correction for adjusting and completing the angle of ignition in circulation and stepping back.With short-term load
Increasing the pinking being associated has the case where lesser but the enough numerical value for the motor operation of safety angle of ignition
Under be reduced.
Such process approach also rises in the wrong identification that may be present tendency in pinking is adjusted in positive aspects
Effect, this is because reducing the angle of ignition when entering in the zone of action that pinking is adjusted steps back intervention, thus this does not have to horse
Up to the big effect of control.
Additionally in the feedback of the generation about phenomenon of detonation B_kl, it is also able to carry out time-based feedback.It thereby guarantees that
If internal combustion engine 1 works in the region of knocking state, the determined angle of ignition steps back numerical value affirmative during application
It is implemented.
Claims (9)
1. a kind of method for adjusting the angle of ignition intervention at internal combustion engine detects the burning of pinking formula and base in the method
The time of ignition of postponement characterized by the angle of ignition is preset in the burning of the pinking formula, wherein utilizing preset igniting
Angle steps back numerical value and reacts to the burning of pinking formula, which steps back numerical value and be added to the angle of ignition, which is characterized in that
Activation pinking reduces the angle of ignition being preset when adjusting and steps back numerical value.
2. according to the method for claim 1, which is characterized in that the generation according to detonation signal completes the angle of ignition and steps back numerical value
Reduction.
3. according to the method for claim 2, which is characterized in that in each other phenomenon of detonation, the angle of ignition steps back number
The reduction of value is partly reduced, and is reached the complete angle of ignition again until the quantity being defined in phenomenon of detonation and is stepped back
Numerical value.
4. according to the method for claim 1, which is characterized in that complete the reduction that the angle of ignition steps back numerical value based on the time.
5. according to method described in any one of Claims 1-4, which is characterized in that the angle of ignition steps back numerical basis internal combustion engine
(1) operating point of fixation is determined and is considered as constant for the operating point.
6. according to the method for claim 5, which is characterized in that in the application stage of the pinking adjusting of internal combustion engine (1) really
The fixed angle of ignition steps back numerical value.
7. according to the method for claim 6, which is characterized in that the angle of ignition is stepped back into numerical value and is stored in performance plot (23),
The performance plot is the basis that the pinking is adjusted.
8. a kind of for adjusting the device of the angle of ignition intervention at internal combustion engine, which receives the signal of structure-borne sound sensor (17)
And the time of ignition characterized by the angle of ignition according to the delay at signal adjustment internal combustion engine (1), the preset angle of ignition
It steps back numerical value to be added to the angle of ignition, which is characterized in that if there are dry units (20,21), the device reduces quick-fried in activation
The preset angle of ignition steps back numerical value when shake adjusting.
9. device according to claim 8, which is characterized in that the device (20,21) is according to phenomenon of detonation and/or is based on
The phenomenon that time, reduces the angle of ignition and steps back numerical value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015203756.8A DE102015203756B4 (en) | 2015-03-03 | 2015-03-03 | Method and device for adjusting a Zündwinkeleingriffes on an internal combustion engine |
| DE102015203756.8 | 2015-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937471A CN105937471A (en) | 2016-09-14 |
| CN105937471B true CN105937471B (en) | 2019-05-28 |
Family
ID=56738913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117625.5A Active CN105937471B (en) | 2015-03-03 | 2016-03-02 | Method and device for adjusting an ignition angle intervention at an internal combustion engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105937471B (en) |
| DE (1) | DE102015203756B4 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300929C1 (en) * | 1993-01-15 | 1994-01-13 | Audi Ag | Knock prevention regulation system for multi-cylinder IC engine - has 2 or more channels with switching over to intact channel upon failure of knock sensor for associated channel. |
| DE19539171A1 (en) * | 1995-10-20 | 1997-04-24 | Bayerische Motoren Werke Ag | Pinking adjustment for externally ignited internal combustion engine |
| CN1164886A (en) * | 1995-09-02 | 1997-11-12 | 罗伯特·博施有限公司 | Internal Combustion Engine Knock Regulation Method |
| CN101235784A (en) * | 2007-12-27 | 2008-08-06 | 华夏龙晖（北京）汽车电子科技有限公司 | Knock control method |
| CN102434351A (en) * | 2010-09-29 | 2012-05-02 | 三菱电机株式会社 | knock control apparatus for internal combustion engine |
| CN102444525A (en) * | 2010-10-04 | 2012-05-09 | 三菱电机株式会社 | Knock control device for internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19827704C2 (en) * | 1998-06-22 | 2000-05-11 | Siemens Ag | Method for cylinder-selective knock control of an internal combustion engine |
-
2015
- 2015-03-03 DE DE102015203756.8A patent/DE102015203756B4/en active Active
-
2016
- 2016-03-02 CN CN201610117625.5A patent/CN105937471B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4300929C1 (en) * | 1993-01-15 | 1994-01-13 | Audi Ag | Knock prevention regulation system for multi-cylinder IC engine - has 2 or more channels with switching over to intact channel upon failure of knock sensor for associated channel. |
| CN1164886A (en) * | 1995-09-02 | 1997-11-12 | 罗伯特·博施有限公司 | Internal Combustion Engine Knock Regulation Method |
| DE19539171A1 (en) * | 1995-10-20 | 1997-04-24 | Bayerische Motoren Werke Ag | Pinking adjustment for externally ignited internal combustion engine |
| CN101235784A (en) * | 2007-12-27 | 2008-08-06 | 华夏龙晖（北京）汽车电子科技有限公司 | Knock control method |
| CN102434351A (en) * | 2010-09-29 | 2012-05-02 | 三菱电机株式会社 | knock control apparatus for internal combustion engine |
| CN102444525A (en) * | 2010-10-04 | 2012-05-09 | 三菱电机株式会社 | Knock control device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105937471A (en) | 2016-09-14 |
| DE102015203756B4 (en) | 2019-06-19 |
| DE102015203756A1 (en) | 2016-09-08 |
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