CN106321324B - Engine dual ignition control method and its control system - Google Patents
Engine dual ignition control method and its control system Download PDFInfo
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- CN106321324B CN106321324B CN201610742691.1A CN201610742691A CN106321324B CN 106321324 B CN106321324 B CN 106321324B CN 201610742691 A CN201610742691 A CN 201610742691A CN 106321324 B CN106321324 B CN 106321324B
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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
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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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of engine dual ignition control method and its control system, wherein method includes the following steps：Step a detects the tach signal and throttle signal of engine；Step b carries out real-time judge according to the detected signals of step a to engine operation condition；Step c, according to the engine operation condition judged, the dual ignition sequential between primary ignition device and secondary igniter to engine carries out differentiation control；System includes primary ignition device, secondary igniter and for according to the different operating modes ignition control device that igniting sequential is controlled between primary ignition device and secondary igniter；Differentiation control can be carried out to the igniting sequential of dual ignition plug according to engine variant working cycles operating mode, engine is stable and the requirement of transient state dynamic property to improve.
Description
Technical field
The present invention relates to engine art, more particularly to a kind of engine dual ignition control method and its control system.
Background technology
The height of combustion thermal efficiency is an important factor for directly affecting engine performance in engine cycles how
The thermal energy that fuel combustion in engine is discharged effectively is converted into engine output, becomes problem of crucial importance.
To solve the problems, such as, technical staff devises engine dual ignition system, that is, dual ignition plug is arranged, and two are arranged in combustion chamber both sides
A spark plug, two spark plugs can be symmetrical arranged, also can the not equal setting at a distance from the center of combustion chamber.And those skilled in the art are equal
Know, engine under different operating modes needed for energy be ignition intensity demand under inconsistent, i.e., different operating mode actually
It is also inconsistent, dual ignition plug in the prior art is lighted a fire simultaneously mostly in igniting, though it is effective to play raising fuel
The function of burning, but due to not treated to different the distinguishing of operating condition of engine, it not only cannot be with the reality of engine
When operating condition carry out optimization adaptation, and be sometimes prone to cause waste of fuel, or cause engine fuel energy requirement not
It is enough, influence engine output.
Therefore, it is necessary to be improved to existing engine dual ignition control method and system, make it can be according to engine
Variant working cycles operating mode carries out differentiation control to the igniting sequential of dual ignition plug, and to improve, engine is stable and wink
The requirement of state dynamic property.
Invention content
It, can be according to starting in view of this, the present invention provides a kind of engine dual ignition control method and its control system
The variant working cycles operating mode of machine carries out differentiation control to the igniting sequential of dual ignition plug, with improve engine it is stable and
The requirement of transient state dynamic property.
The engine dual ignition control method of the present invention, includes the following steps：
Step b carries out real-time judge to engine operation condition；
Step c, according to the engine operation condition judged, between the primary ignition device and secondary igniter to engine
Dual ignition sequential carries out differentiation control；Wherein primary ignition device and secondary igniter is spark plug, i.e. engine setting two
Spark plug, using one of them as primary ignition device, another secondary igniter of conduct, when two spark plugs are away from combustion chamber centre distance
Whens not equal, the spark plug at combustion chamber center is will be close to as primary ignition device, using another spark plug as secondary igniter；I.e. first
Real-time judge is carried out to the operating condition of engine, then according to the real time execution operating mode of judgement, the primary ignition of engine is filled
It sets and the dual ignition sequential of secondary igniter carries out differentiation control, differentiation control refers to being controlled according to different operating conditions
Corresponding dual ignition sequential is carried out, the dual ignition sequential under different operating modes is different；In addition, igniting sequential refers to primary ignition device
The igniting time difference between secondary igniter.
Further, further include before step b：Step a detects the tach signal and throttle signal of engine；Step b roots
Real-time judge is carried out to engine operation condition according to detected signal in step a；I.e. by detect engine tach signal and
Throttle signal judges engine operating condition tach signal is the signal of the rotating speed of the engine of detection gained, throttle signal
For detection gained engine throttle opening amount signal and engine throttle unit interval change rate signal, with ECU (i.e. electronics
Controller) operation minimum duration be the unit time；It is pre-set corresponding from different detection signals in electronic controller
Duty parameter is determined as corresponding operating mode when detection signal is corresponding with corresponding duty parameter, easy to detect, can fast implement
Operating mode judges.
Further, engine operation condition includes start operating performance, idling operation and steady state condition；The step c includes：
When being judged as start operating performance, the dual ignition sequential is controlled at 0 ° -3 °；Under start operating performance, igniting sequential is poor
Away from it is larger be easy to cause ignition energy and do not concentrate be unfavorable for lighting for gaseous mixture, the dual ignition timing control under start operating performance is existed
Between 0 ° -3 °, it can be ensured that engine ignition it is reliable, and increase ignition energy within the allowable range, it is ensured that ignition energy quantity set
In and appropriate lengthen the spark duration；Preferably, dual ignition sequential may be controlled to 0 °, 1 °, 2 ° or 3 ° under start operating performance；
When being judged as idling operation, the dual ignition sequential is controlled at 0 ° -8 °；Preferably, dual ignition under idling operation
Sequential any ignition advance angle between may be controlled to 0 ° -8 °, with 1 ° for interval；Under idling operation, to ensure that engine is idle
Fast running stability, ignition energy that need not be too big, at this point, dual ignition sequential is suitably lengthened between 1 ° -3 °, it can be appropriate
The major and minor igniter gap of increasing, to achieve the purpose that disperse igniting amount, but dual ignition sequential should not be too large again at this time,
Engine has been turned on to ensure the operation stability of engine idling, in the feelings for ensureing idling operation combustion mixture normal ignition
Under condition, the appropriate operation stability cut down ignition energy and be conducive to engine；
When being judged as steady state condition, the dual ignition sequential is controlled at 0 ° -25 °；Dual ignition sequential under this operating mode
Certifiable engine output balances each other with operation stability down；Preferably, under steady state condition, dual ignition sequential can select
Any ignition advance angle between 0 ° -25 °, with 1 ° for interval.
Further, it in step c, when being judged as steady state condition, controls the dual ignition sequential and wraps 0 ° -25 ° the step of
It includes：
When detecting that engine throttle is more than 3% less than 85%, control dual ignition sequential is between 0 ° -8 °；It is oily herein
Gate segment is higher to dynamic property demand, and dual ignition sequential can make ignition energy Relatively centralized between 0 ° -8 °, to ensure that power needs
It asks；Preferably, when detecting that engine throttle is more than 3% less than 85%, dual ignition sequential is any between can selecting 0 ° -8 °
Ignition advance angle, with 1 ° for interval；
When detecting that engine throttle is more than 85%, control dual ignition sequential is between 0 ° -25 °；It is needed in this throttle section
Ensure that engine is stable and reduces thermic load, dual ignition sequential can make ignition energy relative distribution between 5 ° -20 °；It is excellent
Choosing, when detecting that engine throttle is more than 85%, dual ignition sequential any ignition advance angle between can selecting 0 ° -25 °,
With 1 ° for interval.
Further, engine operation condition further includes transient working condition, and transient working condition includes anxious accelerating mode, Xu's acceleration work
Condition, anxious decelerating mode, Xu's decelerating mode and DECEL ENLEAN operating mode；Step c further includes：
When being judged as Xu's accelerating mode or Xu's decelerating mode, when controlling the dual ignition under dual ignition sequential and steady state condition
Sequence is identical；I.e. when for Xu's accelerating mode or Xu's decelerating mode, dual ignition timing control is between 0 ° -25 °, and when detecting hair
When motivation throttle is more than 3% less than 85%, control dual ignition sequential can be any electronic spark advance between 0 ° -8 ° between 0 ° -8 °
Angle, with 1 ° for interval；When detecting that engine throttle is more than 85%, dual ignition sequential is controlled between 0 ° -25 °, i.e. two point
Fiery sequential any ignition advance angle between can selecting 0 ° -25 °, with 1 ° for interval, to reach adapt at the uniform velocity accelerate or at the uniform velocity
The purpose of deceleration；
When being judged as anxious accelerating mode, control dual ignition sequential is identical as the dual ignition sequential under start operating performance；It will
Dual ignition timing control when anxious accelerating mode is between 0 ° -3 °, it is preferred that can select 0 °, 1 °, 2 ° or 3 °；In anxious acceleration
Under operating mode, igniting sequential gap is larger to be easy to cause ignition energy and not to concentrate and be unfavorable for lighting for gaseous mixture, by anxious accelerating mode
Under dual ignition timing control it is identical as under start operating performance, it can be ensured that engine ignition it is reliable, and increase within the allowable range
Ignition energy, it is ensured that ignition energy is concentrated and the appropriate lengthening spark duration；
When being judged as anxious decelerating mode, control dual ignition sequential is between 0 ° -20 °, it is preferred that can select 0 ° -20 °
Between any ignition advance angle, than 1 ° for interval；By dual ignition timing control between 0 ° -20 ° dispersible ignition energy, to
The purpose of power output of engine need to be suppressed by meeting this operating mode；
When being judged as DECEL ENLEAN operating mode, control dual ignition sequential between 0 ° -15 °, it is preferred that can select 0 ° -
Any ignition advance angle between 15 ° is interval than 1 °；Engine unpowered output under DECEL ENLEAN operating mode, which is that vehicle is counter, drags hair
Motivation is being run, and igniting at this time belongs to useless fire, but the angle of ignition at this time is prepared for engine resume combustion, and ignition energy needs phase
To concentrate but can not be excessive because from DECEL ENLEAN pattern to engine resume combustion be engine power process from scratch, point
Fiery ability is bigger will to cause vehicle hair when engine resume combustion to rush, therefore by dual ignition timing control between 0 °~15 °, you can with
Make ignition energy Relatively centralized again will not be excessive, engine resume combustion will not be caused.
Further, engine operation condition includes start operating performance, idling operation and steady state condition；Step b includes：
When detecting engine speed between 200rpm-800rpm, judge that engine is in start operating performance；
After engine start, engine speed is detected in 800rpm-2500rpm, and engine throttle is less than 3%,
Judge that engine is in idling operation；
When engine speed is more than 2500rpm, throttle is more than 3%, judges that engine is in steady state condition.
Further, in step b, when engine speed is more than 2500rpm, engine throttle is more than 3%, judges at engine
Include in the step of steady state condition：
When engine throttle, which is more than 3%, is less than 85%, judge that engine is in the normal section of riding under steady state condition；
When engine throttle is more than 85%, judge that power that engine is under steady state condition is ridden section.
Further, engine operation condition further includes transient working condition, and transient working condition includes anxious accelerating mode, Xu's acceleration work
Condition, anxious decelerating mode, Xu's decelerating mode and DECEL ENLEAN operating mode；Step b further includes：
When detecting that the change rate of engine throttle unit interval is more than 0.5%, judge that engine is in anxious accelerating mode；
When detecting that the change rate of engine throttle unit interval is more than 2%, judge that engine is in anxious decelerating mode；
When detecting that engine throttle is directly zeroed, and engine speed is more than 3000rpm, judges that engine is in and slows down
Fuel cut-off condition.
The invention also discloses a kind of engine two point fire control for realizing the engine dual ignition control method
System processed, including primary ignition device, secondary igniter and for according to different operating modes between primary ignition device and secondary igniter
The ignition control device that igniting sequential is controlled；
Further, ignition control device includes：
Speed probe for the rotating speed for detecting the engine；
The throttle position switch of accelerator open degree and the change rate of throttle unit interval for detecting the engine；Oil
Door position sensor is detected the accelerator open degree and the change rate of throttle unit interval of engine, and the unit interval refers to electronics
The minimum duration of controller operation；
The electronic controller being electrically connected with speed probe and throttle position switch is controlled electronically according to speed probe
With the detection signal of throttle position switch, real-time judge is carried out to engine operating condition, and according to judged real-time working condition to master
Dual ignition sequential between igniter and secondary igniter is controlled.
Beneficial effects of the present invention：The engine dual ignition control method and its control system of the present invention, to engine
Different operating modes are judged that it is poor then to be carried out according to igniting sequential of the different operating modes between primary ignition device and secondary igniter
Alienation controls, so that different operating modes takes the igniting sequential being adapted with ignition intensity needed for its operating mode, to engine
Igniting sequential control strategy under variant operating condition between spark plug is refined, and the waste of fuel is reduced, and improves hair
Motivation is stable and transient state dynamic property requires.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the engine dual ignition control method flow chart of steps of the present invention；
Fig. 2 is the engine dual ignition control system flow chart of the present invention.
Specific implementation mode
Fig. 1 is the engine dual ignition control method flow chart of steps of the present invention；Fig. 2 is the engine dual ignition of the present invention
Control system flow chart, as shown in the figure：The engine dual ignition control method of the present invention of the present embodiment, includes the following steps：
Step b carries out real-time judge to engine operation condition；
Step c, according to the engine operation condition judged, between the primary ignition device and secondary igniter to engine
Dual ignition sequential carries out differentiation control；Wherein primary ignition device and secondary igniter is spark plug, i.e. engine setting two
Spark plug, using one of them as primary ignition device, another secondary igniter of conduct, when two spark plugs are away from combustion chamber centre distance
Whens not equal, the spark plug at combustion chamber center is will be close to as primary ignition device, using another spark plug as secondary igniter；I.e. first
Real-time judge is carried out to the operating condition of engine, then according to the real time execution operating mode of judgement, the primary ignition of engine is filled
It sets and the dual ignition sequential of secondary igniter carries out differentiation control, differentiation control refers to being controlled according to different operating conditions
Corresponding dual ignition sequential is carried out, the dual ignition sequential under different operating modes is different；In addition, igniting sequential refers to primary ignition device
The igniting time difference between secondary igniter.
In the present embodiment, further include before step b：Step a detects the tach signal and throttle signal of engine；Step
Rapid b carries out real-time judge according to detected signal in step a to engine operation condition；Believed by detecting the rotating speed of engine
Number and throttle signal engine operating condition is judged, tach signal be detection obtained by engine rotating speed signal, throttle
Signal is the unit interval change rate signal of the opening amount signal and engine throttle of the engine throttle of detection gained, (i.e. with ECU
Electronic controller) operation minimum duration be the unit time；It is pre-set opposite from different detection signals in electronic controller
The duty parameter answered is determined as corresponding operating mode when detection signal is corresponding with corresponding duty parameter, easy to detect, can be quick
Realize operating mode judgement.
In the present embodiment, engine operation condition includes start operating performance, idling operation and steady state condition；The step c packets
It includes：
When being judged as start operating performance, the dual ignition sequential is controlled at 0 ° -3 °；Under start operating performance, igniting sequential is poor
Away from it is larger be easy to cause ignition energy and do not concentrate be unfavorable for lighting for gaseous mixture, the dual ignition timing control under start operating performance is existed
Between 0 ° -3 °, it can be ensured that engine ignition it is reliable, and increase ignition energy within the allowable range, it is ensured that ignition energy quantity set
In and appropriate lengthen the spark duration；Preferably, dual ignition sequential may be controlled to 0 °, 1 °, 2 ° or 3 ° under start operating performance；
When being judged as idling operation, the dual ignition sequential is controlled at 0 ° -8 °；Preferably, dual ignition under idling operation
Sequential any ignition advance angle between may be controlled to 0 ° -8 °, with 1 ° for interval；Under idling operation, to ensure that engine is idle
Fast running stability, ignition energy that need not be too big, at this point, dual ignition sequential is suitably lengthened between 1 ° -3 °, it can be appropriate
The major and minor igniter gap of increasing, to achieve the purpose that disperse igniting amount, but dual ignition sequential should not be too large again at this time,
Engine has been turned on to ensure the operation stability of engine idling, in the feelings for ensureing idling operation combustion mixture normal ignition
Under condition, the appropriate operation stability cut down ignition energy and be conducive to engine；
When being judged as steady state condition, the dual ignition sequential is controlled at 0 ° -25 °；Dual ignition sequential under this operating mode
Certifiable engine output balances each other with operation stability down；Preferably, under steady state condition, dual ignition sequential can select
Any ignition advance angle between 0 ° -25 °, with 1 ° for interval.
In the present embodiment, in step c, when being judged as steady state condition, step of the dual ignition sequential at 0 ° -25 ° is controlled
Suddenly include：
When detecting that engine throttle is more than 3% less than 85%, control dual ignition sequential is between 0 ° -8 °；It is oily herein
Gate segment is higher to dynamic property demand, and dual ignition sequential can make ignition energy Relatively centralized between 0 ° -8 °, to ensure that power needs
It asks；Preferably, when detecting that engine throttle is more than 3% less than 85%, dual ignition sequential is any between can selecting 0 ° -8 °
Ignition advance angle, with 1 ° for interval；
When detecting that engine throttle is more than 85%, control dual ignition sequential is between 0 ° -25 °；It is needed in this throttle section
Ensure that engine is stable and reduces thermic load, dual ignition sequential can make ignition energy relative distribution between 5 ° -20 °；It is excellent
Choosing, when detecting that engine throttle is more than 85%, dual ignition sequential any ignition advance angle between can selecting 0 ° -25 °,
With 1 ° for interval；Meanwhile under steady state operating conditions, same to control dual ignition sequential when detecting that engine throttle is equal to 85%
Can be any ignition advance angle between interval takes 0 ° -25 ° with 1 ° between 0 ° -25 °.
In the present embodiment, engine operation condition further includes transient working condition, and transient working condition includes anxious accelerating mode, Xu's acceleration
Operating mode, anxious decelerating mode, Xu's decelerating mode and DECEL ENLEAN operating mode；Step c further includes：
When being judged as Xu's accelerating mode or Xu's decelerating mode, when controlling the dual ignition under dual ignition sequential and steady state condition
Sequence is identical；I.e. when for Xu's accelerating mode or Xu's decelerating mode, dual ignition timing control is between 0 ° -25 °, and when detecting hair
When motivation throttle is more than 3% less than 85%, control dual ignition sequential can be any electronic spark advance between 0 ° -8 ° between 0 ° -8 °
Angle, with 1 ° for interval；When detecting that engine throttle is more than 85%, dual ignition sequential is controlled between 0 ° -25 °, i.e. two point
Fiery sequential any ignition advance angle between can selecting 0 ° -25 °, with 1 ° for interval, to reach adapt at the uniform velocity accelerate or at the uniform velocity
The purpose of deceleration；
When being judged as anxious accelerating mode, control dual ignition sequential is identical as the dual ignition sequential under start operating performance；It will
Dual ignition timing control when anxious accelerating mode is between 0 ° -3 °, it is preferred that can select 0 °, 1 °, 2 ° or 3 °；In anxious acceleration
Under operating mode, igniting sequential gap is larger to be easy to cause ignition energy and not to concentrate and be unfavorable for lighting for gaseous mixture, by anxious accelerating mode
Under dual ignition timing control it is identical as under start operating performance, it can be ensured that engine ignition it is reliable, and increase within the allowable range
Ignition energy, it is ensured that ignition energy is concentrated and the appropriate lengthening spark duration；
When being judged as anxious decelerating mode, control dual ignition sequential is between 0 ° -20 °, it is preferred that can select 0 ° -20 °
Between any ignition advance angle, than 1 ° for interval；By dual ignition timing control between 0 ° -20 ° dispersible ignition energy, to
The purpose of power output of engine need to be suppressed by meeting this operating mode；
When being judged as DECEL ENLEAN operating mode, control dual ignition sequential between 0 ° -15 °, it is preferred that can select 0 ° -
Any ignition advance angle between 15 ° is interval than 1 °；Engine unpowered output under DECEL ENLEAN operating mode, which is that vehicle is counter, drags hair
Motivation is being run, and igniting at this time belongs to useless fire, but the angle of ignition at this time is prepared for engine resume combustion, and ignition energy needs phase
To concentrate but can not be excessive because from DECEL ENLEAN pattern to engine resume combustion be engine power process from scratch, point
Fiery ability is bigger will to cause vehicle hair when engine resume combustion to rush, therefore by dual ignition timing control between 0 °~15 °, you can with
Make ignition energy Relatively centralized again will not be excessive, engine resume combustion will not be caused.
In the present embodiment, engine operation condition includes start operating performance, idling operation and steady state condition；Step b includes：
When detecting engine speed between 200rpm-800rpm, judge that engine is in start operating performance；
After engine start, engine speed is detected in 800rpm-2500rpm, and engine throttle is less than 3%,
Judge that engine is in idling operation；
When engine speed is more than 2500rpm, throttle is more than 3%, judges that engine is in steady state condition.
In the present embodiment, in step b, when engine speed is more than 2500rpm, engine throttle is more than 3%, judges to start
Machine is in the step of steady state condition and includes：
When engine throttle, which is more than 3%, is less than 85%, judge that engine is in the normal section of riding under steady state condition；
When engine throttle is more than 85%, judge that power that engine is under steady state condition is ridden section；And works as and start
Machine oil door equally judges that power that engine is under steady state condition is ridden section when being equal to 85%.
In the present embodiment, engine operation condition further includes transient working condition, and transient working condition includes anxious accelerating mode, Xu's acceleration
Operating mode, anxious decelerating mode, Xu's decelerating mode and DECEL ENLEAN operating mode；Step b further includes：
When detecting that the change rate of engine throttle unit interval is more than 0.5%, judge that engine is in anxious accelerating mode；
When detecting that the change rate of engine throttle unit interval is more than 2%, judge that engine is in anxious decelerating mode；
The change rate for referring to the engine throttle unit interval is more than 0.5% when being no more than 2%, and engine is in anxious accelerating mode, surpasses
When 2%, engine is in anxious decelerating mode；
When detecting that engine throttle is directly zeroed, and engine speed is more than 3000rpm, judges that engine is in and slows down
Fuel cut-off condition.
The invention also discloses a kind of engine two point fire control for realizing the engine dual ignition control method
System processed, including primary ignition device 1, secondary igniter 2 and for according to different operating modes to primary ignition device 1 and secondary igniter
The ignition control device that 2 igniting sequentials are controlled；Ignition control device utilizes above-mentioned engine dual ignition control method
Igniting sequential between primary ignition device and secondary igniter controls, and is first detected to engine signal, and according to inspection
It surveys signal and judges operating mode, according to engine real-time working condition, it is poor that the igniting sequential between primary ignition device and secondary igniter carries out
Alienation controls.
Wherein, ignition control device includes：
Speed probe 3 for the rotating speed for detecting the engine；
The throttle position switch 4 of accelerator open degree and the change rate of throttle unit interval for detecting the engine；
Throttle position switch 4 is detected the accelerator open degree and the change rate of throttle unit interval of engine, and the unit interval refers to
The minimum duration of electronic controller operation；
The electronic controller 5 being electrically connected with speed probe 3 and throttle position switch 4, electronic control are passed according to rotating speed
The detection signal of sensor 3 and throttle position switch 4 carries out real-time judge to engine operating condition, and according to judged real-time work
Dual ignition sequential of the condition between primary ignition device 1 and secondary igniter 2 controls.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (9)
1. a kind of engine dual ignition control method, it is characterised in that：Include the following steps：
Step b carries out real-time judge to engine operation condition；
Step c, according to the engine operation condition judged, the two point between primary ignition device and secondary igniter to engine
Fiery sequential carries out differentiation control；The engine operation condition includes start operating performance, idling operation and steady state condition；The step
Suddenly c includes：
When being judged as start operating performance, the dual ignition sequential is controlled at 0 ° -3 °；
When being judged as idling operation, the dual ignition sequential is controlled at 0 ° -8 °；
When being judged as steady state condition, the dual ignition sequential is controlled at 0 ° -25 °.
2. engine dual ignition control method according to claim 1, it is characterised in that：It is also wrapped before the step b
It includes：
Step a detects the tach signal and throttle signal of engine；Step b transports engine according to detected signal in step a
Row operating mode carries out real-time judge.
3. engine dual ignition control method according to claim 1, it is characterised in that：In the step c, when being judged as
When steady state condition, controlling the dual ignition sequential 0 ° -25 ° the step of includes：
When detecting that engine throttle is more than 3% less than 85%, control dual ignition sequential is between 0 ° -8 °；
When detecting that engine throttle is more than or equal to 85%, control dual ignition sequential is between 0 ° -25 °.
4. engine dual ignition control method according to claim 3, it is characterised in that：The engine operation condition is also
Including transient working condition, the transient working condition includes anxious accelerating mode, Xu's accelerating mode, anxious decelerating mode, Xu's decelerating mode and subtracts
Fast fuel cut-off condition；The step c further includes：
When being judged as Xu's accelerating mode or Xu's decelerating mode, when controlling the dual ignition under the dual ignition sequential and steady state condition
Sequence is identical；
When being judged as anxious accelerating mode, it is identical as the dual ignition sequential under start operating performance to control the dual ignition sequential；
When being judged as anxious decelerating mode, the dual ignition sequential is controlled between 0 ° -20 °；
When being judged as DECEL ENLEAN operating mode, the dual ignition sequential is controlled between 0 ° -15 °.
5. the engine dual ignition control method according to claim 2-4 any claims, it is characterised in that：The hair
Motivation operating condition includes start operating performance, idling operation and steady state condition；The step b includes：
When detecting engine speed between 200rpm-800rpm, judge that engine is in start operating performance；
After engine start, engine speed is detected in 800rpm-2500rpm, and engine throttle is less than 3%, judges
Engine is in idling operation；
When engine speed is more than 2500rpm, throttle is more than 3%, judges that engine is in steady state condition.
6. engine dual ignition control method according to claim 5, it is characterised in that：In step b, work as engine speed
More than 2500rpm, engine throttle is more than 3%, judges that the step of engine is in steady state condition includes：
When engine throttle, which is more than 3%, is less than 85%, judge that engine is in the normal section of riding under steady state condition；
When engine throttle is more than 85%, judge that power that engine is under steady state condition is ridden section.
7. engine dual ignition control method according to claim 6, it is characterised in that：The engine operation condition is also
Including transient working condition, the transient working condition includes anxious accelerating mode, Xu's accelerating mode, anxious decelerating mode, Xu's decelerating mode and subtracts
Fast fuel cut-off condition；The step b further includes：
When detecting that the change rate of engine throttle unit interval is more than 0.5%, judge that engine is in anxious accelerating mode；
When detecting that the change rate of engine throttle unit interval is more than 2%, judge that engine is in anxious decelerating mode；
When detecting that engine throttle is directly zeroed, and engine speed is more than 3000rpm, judges that engine is in DECEL ENLEAN
Operating mode.
8. a kind of engine for realizing the engine dual ignition control method described in claim 1-7 any claims is double
Iganition control system, it is characterised in that：Including primary ignition device, secondary igniter and for being filled to primary ignition according to different operating modes
Set the ignition control device that igniting sequential is controlled between secondary igniter.
9. engine two point ignition control system according to claim 8, it is characterised in that：
The ignition control device includes：
Speed probe for the rotating speed for detecting the engine；
The throttle position switch of accelerator open degree and the change rate of throttle unit interval for detecting the engine；
The electronic controller being electrically connected with speed probe and throttle position switch, the electronic control is according to speed probe
With the detection signal of throttle position switch, real-time judge is carried out to engine operating condition, and according to judged real-time working condition to master
Dual ignition sequential between igniter and secondary igniter is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742691.1A CN106321324B (en) | 2016-08-26 | 2016-08-26 | Engine dual ignition control method and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3584608A (en) * | 1968-06-03 | 1971-06-15 | Toyo Kogyo Co | Ignition system for rotary piston internal combustion engine |
| US3970049A (en) * | 1973-06-05 | 1976-07-20 | Nippon Soken, Inc. | Ignition system for rotary piston engine |
| US4142505A (en) * | 1976-12-27 | 1979-03-06 | Toyota Jidosha Kogyo Kabushiki Kaisha | Ignition system means for a rotary piston engine |
| US6814065B1 (en) * | 2003-09-24 | 2004-11-09 | Delphi Technologies, Inc. | Control apparatus for staggered spark plug firing in a dual-plug spark ignition engine |
| US20070215101A1 (en) * | 2006-03-17 | 2007-09-20 | Russell John D | First and second spark plugs for improved combustion control |
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2016
- 2016-08-26 CN CN201610742691.1A patent/CN106321324B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3584608A (en) * | 1968-06-03 | 1971-06-15 | Toyo Kogyo Co | Ignition system for rotary piston internal combustion engine |
| US3970049A (en) * | 1973-06-05 | 1976-07-20 | Nippon Soken, Inc. | Ignition system for rotary piston engine |
| US4142505A (en) * | 1976-12-27 | 1979-03-06 | Toyota Jidosha Kogyo Kabushiki Kaisha | Ignition system means for a rotary piston engine |
| US6814065B1 (en) * | 2003-09-24 | 2004-11-09 | Delphi Technologies, Inc. | Control apparatus for staggered spark plug firing in a dual-plug spark ignition engine |
| US20070215101A1 (en) * | 2006-03-17 | 2007-09-20 | Russell John D | First and second spark plugs for improved combustion control |
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