CN108301930A - A kind of four stroke of engine electric-controlled valve and two-stroke method for handover control and system - Google Patents
A kind of four stroke of engine electric-controlled valve and two-stroke method for handover control and system Download PDFInfo
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- CN108301930A CN108301930A CN201810148670.6A CN201810148670A CN108301930A CN 108301930 A CN108301930 A CN 108301930A CN 201810148670 A CN201810148670 A CN 201810148670A CN 108301930 A CN108301930 A CN 108301930A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to engine electric-controlled valve control technology field, a kind of four stroke of engine electric-controlled valve and two-stroke method for handover control are specifically disclosed, wherein including：Main control module receives the interrupt signal that supplementary module is sent；Whether master control module judges interrupt signal is to close angle to interrupt, currently transmitted machine operating mode whether need to switch stroke and current piston position whether be located at after ignition top dead center with before exhaust top dead center；If so, calculating closing angle according to present engine duty parameter and setting the new cycle of operation；Supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit；Driving circuit drives engine electric-controlled valve to carry out stroke switching according to drive signal.The invention also discloses a kind of four strokes of engine electric-controlled valve and two-stroke handover control system.Four stroke of engine electric-controlled valve and two-stroke method for handover control provided by the invention can be realized and switch between four strokes and two-stroke.
Description
Technical field
The present invention relates to engine electric-controlled valve control technology field more particularly to a kind of four strokes of engine electric-controlled valve
With two-stroke method for handover control and four stroke of engine electric-controlled valve and two-stroke handover control system.
Background technology
The operational mode of current electric control valve only has 4 strokes operation one kind, electric control valve institute's energy under 4 stroke operational modes
The energy-saving and emission-reduction effect of performance is limited.
Therefore, a kind of tool how is provided there are two types of stroke mode and can realize the control method of two kinds of stroke modes switching
As those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of engine electric-controlled valve is provided
Four strokes and two-stroke method for handover control and four stroke of engine electric-controlled valve and two-stroke handover control system, it is existing to solve
There is the problems in technology.
As the first aspect of the invention, a kind of four stroke of engine electric-controlled valve and two-stroke switching control side are provided
Method, wherein four stroke of engine electric-controlled valve includes with two-stroke method for handover control：
Main control module receives the interrupt signal that supplementary module is sent；
Whether interrupt signal described in master control module judges is to close angle to interrupt, and judges whether currently transmitted machine operating mode needs switching to rush
Journey and judge current piston position whether be located at ignition top dead center after with before exhaust top dead center；
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates closing angle according to present engine duty parameter and sets
The fixed new cycle of operation, and the closing angle and the new cycle of operation are sent to the supplementary module；
The supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit；
The driving circuit drives engine electric-controlled valve to carry out stroke switching according to the drive signal.
Preferably, if the interrupt signal is to close angle to interrupt, main control module is according to present engine duty parameter meter
It calculates closing angle and sets the new cycle of operation, and the closing angle and the new cycle of operation are sent to the auxiliary mould
Block includes：
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates four strokes according to present engine duty parameter and switches to two
The closing angle of stroke and setting new cycle of operation, and four stroke is switched into two stroke closing angle and new
The cycle of operation is sent to the supplementary module；And
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates two-stroke according to present engine duty parameter and switches to four
The closing angle of stroke and setting new cycle of operation, and the two-stroke is switched into four-stroke closing angle and new
The cycle of operation is sent to the supplementary module.
Preferably, the supplementary module sends driving letter according to the closing angle and the new cycle of operation to driving circuit
Number two stroke closing angle and the new cycle of operation are switched to the drive according to four stroke including the supplementary module
Dynamic circuit sends four strokes and switches to two stroke drive signal, and,
It includes described that the supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit
Supplementary module switches to four-stroke closing angle according to the two-stroke and the new cycle of operation sends to the driving circuit
Two-stroke switches to four-stroke drive signal.
Preferably, the driving circuit drives engine electric-controlled valve to carry out stroke switching packet according to the drive signal
It includes：
The driving circuit switches to two stroke drive signal according to four stroke and drives engine electric-controlled valve by four punchings
Journey switches to two-stroke, and,
The driving circuit switches to four-stroke drive signal according to the two-stroke and drives engine electric-controlled valve by two punchings
Journey switches to four strokes.
Preferably, when the operation stroke of current engine electric-controlled valve is four stroke, the engine electric-controlled valve four
Stroke includes with two-stroke method for handover control：
If desired the operation stroke of engine electric-controlled valve is switched into two-stroke by four strokes, then by current power Electrical Control gas
The cycle of operation of door is changed to 360 °；
If need not two-stroke be switched to by four strokes for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 720 °.
Preferably, when the operation stroke of current engine electric-controlled valve is two-stroke, the engine electric-controlled valve four
Stroke includes with two-stroke method for handover control：
If desired the operation stroke of engine electric-controlled valve is switched into four strokes by two-stroke, then by current power Electrical Control gas
The cycle of operation of door is changed to 720 °；
If need not four strokes be switched to by two-stroke for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 360 °.
Preferably, when the operation stroke of current engine electric-controlled valve is four stroke, the engine electric-controlled valve four
Stroke further includes with two-stroke method for handover control：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
Preferably, when the operation stroke of current engine electric-controlled valve is two-stroke, the engine electric-controlled valve two
Stroke further includes with four stroke method for handover control：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
Preferably, it is described set subsequent cycle beginning angle increase a cycle in a cycle as 360 ° or
720°。
As the second aspect of the invention, a kind of four stroke of engine electric-controlled valve and two-stroke switching control system are provided
System, wherein four stroke of engine electric-controlled valve includes with two-stroke handover control system：
Main control module, the main control module are used to receive the interrupt signal of supplementary module transmission, and for judging the interruption
Whether signal is to close angle to interrupt, and judges whether currently transmitted machine operating mode needs to switch stroke and judge that current piston position is
It is no be located at ignition top dead center after with before exhaust top dead center, and if the interrupt signal be close angle interrupt, present engine work
Condition needs to switch stroke and current piston position and is located at after ignition top dead center with before exhaust top dead center, then main control module is according to working as
Front engine duty parameter calculates closing angle and sets the new cycle of operation, and the closing angle and new operation is all
Phase is sent to the supplementary module；
Supplementary module, the supplementary module are used to send interrupt signal to the main control module, and for according to the closing
Angle and the new cycle of operation send drive signal to driving circuit；
Driving circuit, the driving circuit are used to drive engine electric-controlled valve to carry out stroke switching according to the drive signal.
Four stroke of engine electric-controlled valve provided by the invention and two-stroke method for handover control, by supplementary module to master
It controls module and sends interrupt signal, main control module decides whether to drive engine electric-controlled valve to carry out according to the type of interrupt signal
Stroke operational mode switches, and provides not only two kinds of stroke modes, and undelayed can be switched to two-stroke from four strokes, or
Person can be switched to four strokes with the slave two-stroke in minimum delay, and can ensure the accuracy of phase.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow chart of engine electric-controlled valve four strokes and two-stroke method for handover control provided by the invention.
Fig. 2 is the structural representation of engine electric-controlled valve four strokes and two-stroke handover control system provided by the invention
Figure.
Fig. 3 be main control module provided by the invention the operation of four strokes and four strokes to two-stroke switching method flow chart.
Fig. 4 be supplementary module provided by the invention the operation of four strokes and four strokes to two-stroke switching method flow chart.
Fig. 5 be main control module provided by the invention two-stroke operation and two-stroke to four stroke switching method flow charts.
Fig. 6 be supplementary module provided by the invention two-stroke operation and two-stroke to four stroke switching method flow charts.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As the first aspect of the invention, a kind of four stroke of engine electric-controlled valve and two-stroke switching control side are provided
Method, wherein as shown in Figure 1, four stroke of engine electric-controlled valve includes with two-stroke method for handover control：
S110, main control module receive the interrupt signal that supplementary module is sent；
Whether interrupt signal described in S120, master control module judges is to close angle to interrupt, and judges whether currently transmitted machine operating mode needs
Switching stroke and judge current piston position whether after the ignition top dead center with before exhaust top dead center；
If S130, the interrupt signal are to close angle to interrupt, present engine operating mode needs to switch stroke and works as secondary piston position
Setting in before exhaust top dead center, then main control module calculates closing angle according to present engine duty parameter after ignition top dead center
And the cycle of operation that setting is new, and the closing angle and the new cycle of operation are sent to the supplementary module；
S140, the supplementary module send drive signal according to the closing angle and the new cycle of operation to driving circuit；
S150, the driving circuit drive engine electric-controlled valve to carry out stroke switching according to the drive signal.
Four stroke of engine electric-controlled valve provided by the invention and two-stroke method for handover control, by supplementary module to master
It controls module and sends interrupt signal, main control module decides whether to drive engine electric-controlled valve to carry out according to the type of interrupt signal
Stroke operational mode switches, and provides not only two kinds of stroke modes, and undelayed can be switched to two-stroke from four strokes, or
Person can be switched to four strokes with the slave two-stroke in minimum delay, and can ensure the accuracy of phase.
Specifically, if the interrupt signal is to close angle to interrupt, main control module is according to present engine duty parameter meter
It calculates closing angle and sets the new cycle of operation, and the closing angle and the new cycle of operation are sent to the auxiliary mould
Block includes：
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates four strokes according to present engine duty parameter and switches to two
The closing angle of stroke and setting new cycle of operation, and four stroke is switched into two stroke closing angle and new
The cycle of operation is sent to the supplementary module；And
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates two-stroke according to present engine duty parameter and switches to four
The closing angle of stroke and setting new cycle of operation, and the two-stroke is switched into four-stroke closing angle and new
The cycle of operation is sent to the supplementary module.
Specifically,
It includes described that the supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit
Supplementary module switches to two stroke closing angle according to four stroke and the new cycle of operation sends to the driving circuit
Four strokes switch to two stroke drive signal, and,
It includes described that the supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit
Supplementary module switches to four-stroke closing angle according to the two-stroke and the new cycle of operation sends to the driving circuit
Two-stroke switches to four-stroke drive signal.
It should be noted that by taking a cylinder intake valve as an example, it is when engine electric-controlled valve is in period when four strokes are run
720 °, supplementary module（ETPU modules）C1 ° of triggering main control module interrupts before exhaust top dead center, and main control module calculates in interruption
The value is simultaneously sent to eTPU modules by the opening angle of valve, and eTPU modules are sent out at opening angle opens valve signal to driving
Circuit, eTPU modules C2 ° of triggering main control module after valve opening interrupt, and main control module calculates the closing angle of valve in interruption
Spend and the value and 720 ° of cycles of operation simultaneously sent jointly into eTPU modules, eTPU modules close at angle send out close valve signal to
Driving circuit and 720 ° of beginning angle increase for setting subsequent cycle；The period when engine electric-controlled valve is in two-stroke operation
It it is 360 °, eTPU modules C1 ° of triggering main control module before exhaust top dead center and ignition top dead center interrupts, and main control module is in interruption
Calculate the opening angle of valve and the value be sent to eTPU modules, eTPU modules sent out at opening angle open valve signal to
Driving circuit, eTPU modules C2 ° of triggering main control module after valve opening interrupt, and main control module calculates the pass of valve in interruption
It closes angle and the value and 360 ° of cycles of operation is sent jointly into eTPU modules, eTPU modules send out closing valve at closing angle
Signal to driving circuit and set subsequent cycle beginning angle increase by 360 °.
When engine electric-controlled valve is run from four strokes runs switching to two-stroke, the period becomes 360 ° from 720 °,
ETPU modules C1 ° of triggering main control module before exhaust top dead center interrupts, and main control module calculates the opening angle of valve in interruption
And the value is sent to eTPU modules, eTPU modules are sent out at opening angle opens valve signal to driving circuit, 60 ° after unlatching
Control modules interrupts in triggering, main control module calculates the closing angle of valve in interruption and 360 ° of cycles of operation and sends out this two value
The execution of eTPU modules is given, eTPU modules send out closing valve signal to driving circuit in specified angle and set subsequent cycle
Beginning angle increase by 360 °；When engine electric-controlled valve is run from two-stroke runs switching to four strokes, the period is by 360 °
Become 720 °, eTPU modules C1 ° of triggering main control module before exhaust top dead center or ignition top dead center interrupts, and main control module is interrupting
The value is simultaneously sent to the execution of eTPU modules by the middle opening angle for calculating valve, and eTPU modules send out unlatching valve at opening angle
Signal is to driving circuit, and eTPU modules C2 ° of triggering main control module after unlatching interrupts, and main control module calculates valve in interruption
Closing angle and judge engine piston whether after the ignition top dead center with before exhaust top dead center, if then giving 720 ° of operations
Period, and value is sent to eTPU modules, eTPU modules are sent out at closing angle closes valve signal to driving circuit and sets
The beginning angle of subsequent cycle increases by 720 °, and otherwise main control module is kept for 360 ° of cycles of operation, and value is sent to eTPU moulds
Block, eTPU modules are closing at angle the beginning angle increase for sending out and closing valve signal to driving circuit and setting subsequent cycle
360°。
Specifically, the driving circuit drives engine electric-controlled valve to carry out stroke switching packet according to the drive signal
It includes：
The driving circuit switches to two stroke drive signal according to four stroke and drives engine electric-controlled valve by four punchings
Journey switches to two-stroke, and,
The driving circuit switches to four-stroke drive signal according to the two-stroke and drives engine electric-controlled valve by two punchings
Journey switches to four strokes.
Specifically, when the operation stroke of current engine electric-controlled valve is four stroke, the engine electric-controlled valve four
Stroke includes with two-stroke method for handover control：
If desired the operation stroke of engine electric-controlled valve is switched into two-stroke by four strokes, then by current power Electrical Control gas
The cycle of operation of door is changed to 360 °；
If need not two-stroke be switched to by four strokes for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 720 °.
Specifically, when the operation stroke of current engine electric-controlled valve is two-stroke, the engine electric-controlled valve four
Stroke includes with two-stroke method for handover control：
If desired the operation stroke of engine electric-controlled valve is switched into four strokes by two-stroke, then by current power Electrical Control gas
The cycle of operation of door is changed to 720 °；
If need not four strokes be switched to by two-stroke for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 360 °.
Specifically, when the operation stroke of current engine electric-controlled valve is four stroke, the engine electric-controlled valve four
Stroke further includes with two-stroke method for handover control：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
Specifically, when the operation stroke of current engine electric-controlled valve is two-stroke, the engine electric-controlled valve two
Stroke further includes with four stroke method for handover control：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
Preferably, it is described set subsequent cycle beginning angle increase a cycle in a cycle as 360 ° or
720°。
As the second aspect of the invention, a kind of four stroke of engine electric-controlled valve and two-stroke switching control system are provided
System, wherein as shown in Fig. 2, four stroke of engine electric-controlled valve includes with two-stroke handover control system 100：
Main control module 110, the main control module 110 are used to receive the interrupt signal of supplementary module transmission, and for judging
State whether interrupt signal is to close angle to interrupt, judges whether currently transmitted machine operating mode needs to switch stroke and judge to work as secondary piston
Position whether be located at after ignition top dead center with before exhaust top dead center, and if the interrupt signal is to close angle to interrupt, it is current to send out
Motivation operating mode need to switch stroke and current piston position be located at after ignition top dead center with before exhaust top dead center, then main control module
Closing angle is calculated according to present engine duty parameter and sets the new cycle of operation, and by the closing angle and newly
The cycle of operation is sent to the supplementary module；
Supplementary module 120, the supplementary module 120 are used to send interrupt signal to the main control module, and for according to institute
Closing angle and the new cycle of operation are stated to driving circuit transmission drive signal；
Driving circuit 130, the driving circuit 130 are used to drive engine electric-controlled valve to carry out stroke according to the drive signal
Switching.
Four stroke of engine electric-controlled valve provided by the invention and two-stroke handover control system, by supplementary module to master
It controls module and sends interrupt signal, main control module decides whether to drive engine electric-controlled valve to carry out according to the type of interrupt signal
Stroke operational mode switches, and provides not only two kinds of stroke modes, and undelayed can be switched to two-stroke from four strokes, or
Person can be switched to four strokes with the slave two-stroke in minimum delay, and can ensure the accuracy of phase.
With reference to specific attached drawing to four stroke of engine electric-controlled valve provided by the invention and two-stroke switching control side
Method and system are described further.
Four strokes for being illustrated in figure 3 main control module are run and four strokes are to two-stroke switching method flow, and Fig. 4 is shown
The four strokes operation of supplementary module and four strokes are to two-stroke switching method flow.
Specifically, main control module flow is interrupt function, interrupts entrance and judges whether this interruption is opening from eTPU
Angle interruption is opened, if then calculating opening angle according to engine operating condition parameter and the value being sent to eTPU, otherwise judges to interrupt
Whether it is that the closing angle from eTPU is interrupted, it is no if then continuing to judge whether system needs to be switched to two-stroke operational mode
Interruption is then exited, will be then changed to the cycle of operation by being if desired switched to two-stroke operation by 360 °, if without being switched to two-stroke operation
It is 720 ° then to remain operational the period, finally calculates closing angle according to engine operating condition parameter and is sent jointly to the cycle of operation
eTPU。
Supplementary module flow is Microsecond grade period implementation procedure：Whether flow first determines whether engine piston position after starting
Otherwise whether the calibration angle C1 before exhaust top dead center judge valve if then triggering main control module interrupts immediately
It reaches open position and otherwise judges whether valve has had been switched on calibration if then sending out unblocked level signal to driving circuit
Otherwise angle C2 judges whether valve has arrived at closed position, if then to drive if then triggering main control module interrupts immediately
Dynamic circuit sends out the beginning angle increase a cycle closed level signal and set subsequent cycle（360 ° or 720 ° by master control mould
Block determines）, otherwise exit cycle.
The two-stroke for being illustrated in figure 5 main control module is run and two-stroke is to four stroke switching method flows, and Fig. 6 is shown
The two-stroke operation of supplementary module and two-stroke are to four stroke switching method flows.
Main control module flow is interrupt function, interrupts entrance and judges whether this interruption is in the opening angle from eTPU
It is disconnected, if then calculating opening angle according to engine operating condition parameter and the value being sent to eTPU, otherwise judge interruption whether be
Closing angle from eTPU is interrupted, if then continuing to judge whether system needs to be switched to four stroke operational modes and currently live
Fill in position after ignition top dead center with before exhaust top dead center, otherwise exit interruptions, be if desired switched to four strokes operation and currently
Piston position after ignition top dead center with will then be changed to 360 ° before exhaust top dead center the cycle of operation, if without be switched to two-stroke fortune
Row or current piston position not after ignition top dead center with the period is then remained operational before exhaust top dead center is 720 °, finally according to hair
Motivation duty parameter calculates closing angle and itself and the cycle of operation is sent jointly to eTPU.
Supplementary module flow is Microsecond grade period implementation procedure：Whether flow first determines whether engine piston position after starting
Otherwise whether the calibration angle C1 before exhaust top dead center judge valve if then triggering main control module interrupts immediately
It reaches open position and otherwise judges whether valve has had been switched on calibration if then sending out unblocked level signal to driving circuit
Otherwise angle C2 judges whether valve has arrived at closed position, if then to drive if then triggering main control module interrupts immediately
Dynamic circuit sends out the beginning angle increase a cycle closed level signal and set subsequent cycle（360 ° or 720 ° by master control mould
Block determines）, otherwise exit cycle.
The operation principle of four stroke of engine electric-controlled valve provided by the invention and two-stroke method for handover control is：Work as hair
Electric control valve is carried out at four-stoke mode when motivation normal operation, automatically controlled when engine needs cylinder to suppress the specific functions such as dynamic
Valve needs quickly and accurately be switched to two-stroke mode from four-stoke mode, is suppressed from cylinder when engine and moves functional rehabilitation to normal
When operation, electric control valve can also be followed from two-stroke mode and be switched to four-stoke mode, and valve control phase meets work
It is required.The method of the present invention can ensure electric control valve reliable accurate switching, hair between two-stroke mode and four-stoke mode
Motivation is stable.
Therefore, four stroke of engine electric-controlled valve provided by the invention can be in four strokes with two-stroke handover control system
The unlimited number of mutual switching between two-stroke.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of four stroke of engine electric-controlled valve and two-stroke method for handover control, which is characterized in that described engine electric-controlled
Four stroke of valve includes with two-stroke method for handover control：
Main control module receives the interrupt signal that supplementary module is sent；
Whether interrupt signal described in master control module judges is to close angle to interrupt, and judges whether currently transmitted machine operating mode needs switching to rush
Journey and judge current piston position whether be located at ignition top dead center after with before exhaust top dead center；
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates closing angle according to present engine duty parameter and sets
The fixed new cycle of operation, and the closing angle and the new cycle of operation are sent to the supplementary module；
The supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit；
The driving circuit drives engine electric-controlled valve to carry out stroke switching according to the drive signal.
2. four stroke of engine electric-controlled valve according to claim 1 and two-stroke method for handover control, which is characterized in that
If the interrupt signal is to close angle to interrupt, main control module calculates closing angle according to present engine duty parameter and sets
The fixed new cycle of operation, and the closing angle and the new cycle of operation are sent to the supplementary module and include：
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates four strokes according to present engine duty parameter and switches to two
The closing angle of stroke and setting new cycle of operation, and four stroke is switched into two stroke closing angle and new
The cycle of operation is sent to the supplementary module；And
If the interrupt signal is to close angle to interrupt, present engine operating mode needs to switch stroke and current piston position is located at
With before exhaust top dead center after ignition top dead center, then main control module calculates two-stroke according to present engine duty parameter and switches to four
The closing angle of stroke and setting new cycle of operation, and the two-stroke is switched into four-stroke closing angle and new
The cycle of operation is sent to the supplementary module.
3. four stroke of engine electric-controlled valve according to claim 2 and two-stroke method for handover control, which is characterized in that
It includes the auxiliary that the supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit
Module switches to two stroke closing angle and the new cycle of operation to four punching of driving circuit transmission according to four stroke
Journey switches to two stroke drive signal, and,
It includes described that the supplementary module sends drive signal according to the closing angle and the new cycle of operation to driving circuit
Supplementary module switches to four-stroke closing angle according to the two-stroke and the new cycle of operation sends to the driving circuit
Two-stroke switches to four-stroke drive signal.
4. four stroke of engine electric-controlled valve according to claim 3 and two-stroke method for handover control, which is characterized in that
The driving circuit drives engine electric-controlled valve to carry out stroke switching according to the drive signal：
The driving circuit switches to two stroke drive signal according to four stroke and drives engine electric-controlled valve by four punchings
Journey switches to two-stroke, and,
The driving circuit switches to four-stroke drive signal according to the two-stroke and drives engine electric-controlled valve by two punchings
Journey switches to four strokes.
5. four stroke of engine electric-controlled valve according to claim 4 and two-stroke method for handover control, which is characterized in that
When the operation stroke of current engine electric-controlled valve is four stroke, four stroke of engine electric-controlled valve switches with two-stroke
Control method includes：
If desired the operation stroke of engine electric-controlled valve is switched into two-stroke by four strokes, then by current power Electrical Control gas
The cycle of operation of door is changed to 360 °；
If need not two-stroke be switched to by four strokes for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 720 °.
6. four stroke of engine electric-controlled valve according to claim 4 and two-stroke method for handover control, which is characterized in that
When the operation stroke of current engine electric-controlled valve is two-stroke, four stroke of engine electric-controlled valve switches with two-stroke
Control method includes：
If desired the operation stroke of engine electric-controlled valve is switched into four strokes by two-stroke, then by current power Electrical Control gas
The cycle of operation of door is changed to 720 °；
If need not four strokes be switched to by two-stroke for the operation stroke of engine electric-controlled valve, keep current power electromechanical
The cycle of operation for controlling valve is 360 °.
7. four stroke of engine electric-controlled valve according to claim 2 and two-stroke method for handover control, which is characterized in that
When the operation stroke of current engine electric-controlled valve is four stroke, four stroke of engine electric-controlled valve switches with two-stroke
Control method further includes：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
8. four stroke of engine electric-controlled valve according to claim 2 and two-stroke method for handover control, which is characterized in that
When the operation stroke of current engine electric-controlled valve is two-stroke, the engine electric-controlled valve two-stroke switches with four strokes
Control method further includes：
Supplementary module judges whether engine piston position is in the calibration angle C1 before exhaust top dead center；
If engine piston position is in the calibration angle C1 before exhaust top dead center, is sent to the main control module and interrupt letter
Number；
If engine piston, which is located at, is not at the calibration angle C1 before exhaust top dead center, judge whether valve reaches open position
It sets；
If the valve reaches open position, the drive signal of unblocked level is sent out to the driving circuit；
If the valve does not reach open position, judge whether valve opens calibration angle C2；
If valve opening calibration angle C2, interrupt signal is sent to the main control module；
If the valve is not turned on calibration angle C2, judge whether valve reaches closed position；
If the valve reaches closed position, the drive signal for closing level is sent out to the driving circuit, and set next
The beginning angle of cycle increases a cycle.
9. four stroke of engine electric-controlled valve according to claim 7 or 8 and two-stroke method for handover control, feature exist
In the beginning angle for setting subsequent cycle increases a cycle in a cycle as 360 ° or 720 °.
10. a kind of four stroke of engine electric-controlled valve and two-stroke handover control system, which is characterized in that described engine electric-controlled
Four stroke of valve includes with two-stroke handover control system：
Main control module, the main control module are used to receive the interrupt signal of supplementary module transmission, and for judging the interruption
Whether signal is to close angle to interrupt, and judges whether currently transmitted machine operating mode needs to switch stroke and judge that current piston position is
It is no be located at ignition top dead center after with before exhaust top dead center, and if the interrupt signal be close angle interrupt, present engine work
Condition needs to switch stroke and current piston position and is located at after ignition top dead center with before exhaust top dead center, then main control module is according to working as
Front engine duty parameter calculates closing angle and sets the new cycle of operation, and the closing angle and new operation is all
Phase is sent to the supplementary module；
Supplementary module, the supplementary module are used to send interrupt signal to the main control module, and for according to the closing
Angle and the new cycle of operation send drive signal to driving circuit；
Driving circuit, the driving circuit are used to drive engine electric-controlled valve to carry out stroke switching according to the drive signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810148670.6A CN108301930B (en) | 2018-02-13 | 2018-02-13 | Four-stroke and two-stroke switching control method and system for engine electric control valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810148670.6A CN108301930B (en) | 2018-02-13 | 2018-02-13 | Four-stroke and two-stroke switching control method and system for engine electric control valve |
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| JP2004239065A (en) * | 2003-02-03 | 2004-08-26 | Toyota Motor Corp | Reciprocating engine and its control method |
| JP2006194096A (en) * | 2005-01-11 | 2006-07-27 | Toyota Motor Corp | Controller for internal combustion engine |
| US20090277434A1 (en) * | 2008-05-08 | 2009-11-12 | Ford Global Technologies, Llc | Control strategy for multi-stroke engine system |
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