CN104246189B - Method and apparatus for running internal combustion engine - Google Patents
Method and apparatus for running internal combustion engine Download PDFInfo
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- CN104246189B CN104246189B CN201380020714.2A CN201380020714A CN104246189B CN 104246189 B CN104246189 B CN 104246189B CN 201380020714 A CN201380020714 A CN 201380020714A CN 104246189 B CN104246189 B CN 104246189B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000000446 fuel Substances 0.000 claims abstract description 178
- 239000007921 spray Substances 0.000 claims abstract description 23
- 238000002347 injection Methods 0.000 claims description 50
- 239000007924 injection Substances 0.000 claims description 50
- 230000000149 penetrating effect Effects 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 11
- 230000015654 memory Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 5
- 238000013500 data storage Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0614—Actual fuel mass or fuel injection amount
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0618—Actual fuel injection timing or delay, e.g. determined from fuel pressure drop
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of method for being used to run the internal combustion engine with least two cylinders, wherein the fuel in pressure reservoir to be sprayed into the combustion chamber for being associated with least two cylinders.Methods described is characterised by following steps：Rated value is arrived into the fuel quantity being injected in spray regime first in the combustion chamber of the first cylinder regulation；Find out first change of the fuel pressure in pressure reservoir, its knot in being ejected into the combustion chamber of the first cylinder first from pressure reservoir as fuel and draw；Second change of the fuel pressure in pressure reservoir is tried to achieve, it draws as the result that fuel is ejected into the combustion chamber of the second cylinder for the second time from pressure reservoir；Further injected fuel into the combustion chamber of the second cylinder according to the second change of the first of fuel pressure the change and/or fuel pressure, change the first change of close or equivalent fuel pressure particularly for make fuel pressure second.
Description
Technical field
The present invention relates to a kind of method for being used to run the internal combustion engine with least two cylinders and for controlling to have
The device of the internal combustion engine of at least two cylinders, wherein fuel to be sprayed into the burning for being associated with least two cylinders from pressure reservoir
In room.
Background technology
Commercially become known for the fuel system of the internal combustion engine with multiple cylinders, wherein will by means of each injection valve
Fuel is sprayed into the combustion chamber of cylinder.In addition known measuring method is used for the different penetrating of possibility at least approximately trying to achieve cylinder
Measure and compensate if necessary.
For example realize so-called zero amount correction（English abbreviation " ZFC "）In the hope of continuing for the triggering for triggering injection valve
The threshold value of time, is actually injected fuel into combustion chamber when more than the threshold value.It is also known that being used using cylinder pressure sensors
In the amount for the fuel burnt in other words for trying to achieve penetrating.Patent publication from the technical field is, for example, DE 102 27
279 A1。
The content of the invention
The problem of based on the present invention, passes through the side for being used to run the internal combustion engine with least two cylinders according to the present invention
Method and by according to the present invention be used for control the device of internal combustion engine with least two cylinders to be resolved, wherein will combustion
Material is from pressure reservoir penetrating is associated with the combustion chamber of at least two cylinders.In addition, feature important for the present invention
In following specification and accompanying drawing, wherein the feature can not only be come individually and with various combination for the present invention
Say to be also important, and no longer this is pointed out in detail.
The present invention relates to a kind of method for being used to run the internal combustion engine with least two cylinders, wherein fuel is deposited from pressure
Reservoir（" accumulator "）Spray into the combustion chamber for being associated with least two cylinders.It is characterized in that following steps, these steps differ
Surely must in the sequence illustrated in time first followed by：
- rated value is arrived into the fuel quantity regulation sprayed into the range of spraying first in the combustion chamber of the first cylinder；
- try to achieve fuel pressure in pressure reservoir first change, this first become be turned to the combustion from pressure reservoir
The result that material is ejected into the combustion chamber of the first cylinder first is obtained；
- try to achieve fuel pressure in pressure reservoir second change, this second become be turned to the combustion from pressure reservoir
The result that material is ejected into the combustion chamber of the second cylinder for the second time is obtained；
- first based on fuel pressure changes and/or the second change of fuel pressure further sprays into fuel in the second gas
In the combustion chamber of cylinder, change the first change for being similar to or being equal to fuel pressure particularly for make fuel pressure second.
In addition, can repeatedly or constantly repeat three foregoing method and steps if necessary.
Here, " first " cylinder is so-called guide cylinder, it generally has at least one extra measurement apparatus
And/or handled in a particular manner by analytical equipment.Guide cylinder measurement apparatus in other words is for example constructed so as to, is made
The fuel quantity for spraying into combustion chamber can quantitatively be tried to achieve by obtaining it.For example can in the hope of the internal cylinder pressure of guide cylinder when
Half interval contour, and therefrom can be inferred that distinctive driving energy and further infer that out the corresponding fuel for spraying into and burning
Amount.Internal cylinder pressure addedly can be used as reference, the internal cylinder pressure is just tried to achieve without spraying into fuel.In addition can be with
Guide cylinder is made in consideration in a particular manner, so as to particularly precisely spray into fuel.
Do not force to need quantitatively to try to achieve the fuel quantity for spraying into the first cylinder by the present invention.For example by means of disclosed above
Method, using before in the present inventive method on penetrating fuel quantity first（Most preferably）Adjust guide cylinder just enough
.Then the first of the fuel pressure tried to achieve in guide cylinder is used to change in the present inventive method so that fuel pressure
First change of second change close or equal to fuel pressure.Thus, it is possible to the fuel quantity on penetrating with simple while
Accurate mode causes all cylinders " equivalent " of internal combustion engine.
In addition by present invention proposition, the fuel pressure in pressure reservoir is preferably tried to achieve with higher temporal resolution ratio
Power.In addition, trying to achieve at least two in the range of spraying first but it is preferred that more, such as five or ten fuel pressures are swept
Retouch value.It is preferred that being tried to achieve with the direct relation of the penetrating with the penetrating fuel quantity-for example by means of above-mentioned internal cylinder pressure-tried to achieve
Fuel pressure in first cylinder.Asked from the fuel pressure tried to achieve before and after spraying first in each time interval
Obtain the first affiliated change of fuel pressure in pressure reservoir.Each time interval tries to achieve more than one scan values and is conducive to looking into
Go out-such as by caused by pressure wave-fuel pressure that may change in the time interval on the time.
The second change that fuel pressure is tried to achieve in another step by the present invention of methods described is turned to " second " penetrating
Result, the penetrating in the combustion chamber of the second cylinder-or in higher number of cylinders-in the burning of any other cylinder
Realized in room.With with try to achieve for the first cylinder similar mode.
Another step of the present invention is to be delivered to the change tried to achieve on the first cylinder of fuel pressure（" copying to "）
In the remaining cylinders of internal combustion engine.Because fuel pressure change and spray into fuel quantity between give dullness and it is consistent
Relation, so the fuel quantity for adjusting accordingly spray into other words can also be tried to achieve with larger precision for remaining cylinders（" spray into
Amount "）Even if the cylinder is without the analytical equipment as in guide cylinder or special measurement apparatus.
The straying quatity so tried to achieve can adjust fuel if necessary in terms of the rated value of straying quatity and further spray into second
In other words in the combustion chamber of other cylinders.In addition the triggering of the electrically operated device of injection valve for each cylinder can be changed,
Especially trigger the duration.This change even can be detected subsequently continuously by means of each change of fuel pressure
And thus it is adjusted.
It for example can be used in thus producing in other words in the fuel quantity of the penetrating for engine torque in the present inventive method
Cause the cylinder " equivalent " of internal combustion engine in terms of raw contribution.It can compensate for single " amount is floated " of injection valve.
The present invention has advantages below, that is, sprays into the fuel quantity of combustion chamber of air cylinder and can individually and relatively accurately enter
Row regulation.The guide cylinder of internal combustion engine is needed only to for this, the guide cylinder include extra sensing mechanism and/or its operation with
Extra mode is analyzed.In addition, being only needed for trying to achieve the fuel pressure in the pressure reservoir of the fuel system of internal combustion engine
Pressure sensor, so as to produce relatively low component costs.In addition, in the present inventive method can be independently of being mounted with internal combustion engine
Unique characteristic of power train of motor vehicle implemented.Methods described can should not under the normal operation of internal combustion engine
Ask and implemented using promotion stage or idle stage.This method is equally substantially independent of all cylinders of internal combustion engine with phase Tongfang
Deviation in the parameter that formula is related to, such as fuel quality, lasting leakage, fuel temperature, rail pressure（Average combustion in pressure reservoir
Expect the deviation of pressure）And other influences.Here, not Qiang ZhiyaoQiung the fuel of the change and affiliated penetrating using fuel pressure
Quantitative relation between amount.It is sufficient that this relation for all cylinders of internal combustion engine is identical.It is of the invention preferred
It is related to the component of fuel system and does not require substantially to change other components of internal combustion engine automobile in other words.
The design of the present invention is proposed, is tried to achieve and is preserved the second change of fuel pressure relative to the of fuel pressure
The difference attached troops to a unit of the injection valve of the second cylinder of difference and/or triggering of one change.It can for example try to achieve and preserve injection valve
Electromagnetic operating device triggering the duration difference.Thus, it is possible in subsequent " the normal operation " in internal combustion engine without asking
Obtain fuel pressure and alternatively correct penetrating second（And it is other if necessary）Fuel quantity in cylinder.Correspondingly preserve cylinder institute special
Some amendments, the amendment with being equal for guide cylinder by obtaining.For example can also be in current jet model not（Again）It is suitable
Described amendment-amendment can also be used during together in the change for trying to achieve fuel pressure on triggering duration straying quatity in other words
Nominal rating realize.Thus, it is proposed that being used to further spraying into fuel into the second cylinder underneath with the difference（If necessary
Other cylinders）Combustion chamber in.Thus, it is possible to " association " difference before use-trigger the corresponding of the injection valve attached troops to a unit in other words
Difference-be used to further spray into fuel, wherein with the second of " association " the difference amendment fuel pressure the change.In internal combustion
Continue repeatedly to try to achieve the change of the first and/or second fuel pressure in the normal operation of machine nor forcing what is needed.Thus
Simplify and improve methods described.
When the combustion in the combustion chamber for spraying into the first cylinder is tried to achieve and/or adjusted in the case of using cylinder pressure sensors
During doses, methods described is improved.Cylinder pressure sensors can be extremely simple and accurately try to achieve what is be described above
Internal cylinder pressure.
Another design of the present invention is proposed, is tried to achieve by means of so-called " correction of zero amount " in order to which the first cylinder is tried to achieve
Penetrating fuel quantity.The minimum triggering duration of electrically operated device is tried to achieve herein, when actually continuing from minimum triggering
Between rise in the combustion chamber for injecting fuel into each cylinder.Can be especially during pre- spray at least approximately by means of zero amount correction
Try to achieve the fuel quantity of penetrating.Zero amount correction preferably in the promotion stage of internal combustion engine realize and can addedly or substitute
Ground is used to try to achieve internal cylinder pressure.By can only implement troublesome if necessary in guide cylinder in the present inventive method
Zero amount corrects and correspondingly result is delivered in remaining cylinders.
Generally in the correction of zero amount（English abbreviation " ZFC "）By tach signal to being realized in the promotion operation of internal combustion engine
The reaction that less test is sprayed into is compared with the tach signal during the application stage when test sprays into the straying quatity determined
Compared with.
It can especially be applied in many aspects in the present inventive method, because first and/or second injection can be wrapped
Include at least one portion injection and/or main injection.So-called different " injection mould is also used for it is possible thereby to relatively accurately try to achieve
The fuel quantity of the penetrating of type ".Part injection can be at least one pre- penetrating on main injection and/or at least one after
Spray into.As long as the penetrating includes part injection and main injection, then can need its be used for may behind to the fuel of penetrating
The amendment of jet model in other words is measured, so that the correction of acquisition is distributed into part injection and main jet by means of specific algorithm
Penetrate.
Sprayed first and/or for the second time on the position of time and/or duration and/or injection when so providing in advance
Model so that time interval of the fuel pressure in pressure reservoir before or after each penetrating（" measurement window "）
During interior substantial constant, further improve the precision of methods described.In addition it can require temporarily to change each jet model.This
For example it is realized by the following method, i.e., provides time enough interval between various pieces injection in advance.It is preferred that being also constructed so as to
The measurement window so that it does not conflict with the possible penetrating realized in other cylinders by identical pressure reservoir.Equally
It is preferred that being constructed so as to the measurement window so that it does not conflict with providing the driving stroke of petrolift of pressure reservoir.Change
Jet model can be differently configured from the jet model in the normal operating condition of internal combustion engine.Fuel pressure during measurement window
The possible change caused by leakage be smaller and in the present inventive method not substantially, or can be with simple
Mode take in.
This means in the present inventive method-in order to by means of guide cylinder try to achieve fuel pressure change and spray into fuel
Relation between amount-if necessary occasionally or can only be periodically carried out.This is generally fully sufficient, because for be sprayed
The correction value tried to achieve in other words of the relation tried to achieve of fuel quantity be used to triggering being tried to achieve for electrically operated device in other words
Correction value can non-provisional and cylinder be peculiarly stored in data storage.It can addedly preserve what is attached troops to a unit together
Parameter, such as average accumulator pressure and/or fuel temperature or similar parameters.
Generally, the described preservation of the correction value is almost nonsensical, because the change of fuel pressure and penetrating
" relation " between fuel quantity depends on other and mostly unknown parameters.Advantageously tried to achieve and fuel pressure by the present invention
Second change simultaneously fuel pressure first change and by the present invention used.
Generally can with and for example should will use so-called " relation " and/or the amendment tried to achieve in the present inventive method
Value and/or try to achieve try to achieve the first change while fuel pressure second changes in the case of be also used in the normal operation of internal combustion engine
In.
Addedly propose, according to the petrolift of supply pressure memory or other can influence the regulation of pressure reservoir
Element（Such as pressure-regulating valve）Running status provide in advance first and/or second injection position on the time and/
Or duration and/or jet model.Thus, it is possible to realize fuel pressure in each time interval only seldom or very
To not passing through pressure pulse that is fuel pump plunger or therefrom obtaining（Pressure wave）Running status change accordingly in other words
For example stroke movement is changed.Thus precision in the present inventive method is extraly improved.
In addition, the present invention includes the device for being used to control the internal combustion engine with least two cylinders, wherein fuel is from pressure
The combustion chamber for being associated with least two cylinders is sprayed into memory, and wherein construction described device is used to implement by the present invention's
Method.The device for example includes electricity and/or electronics member with control and/or adjusting means, the control and/or adjusting means
Part circuit and is connected on the component of internal combustion engine by means of electric lead in other words.The circuit can be configured to simulation and/
Or numeral.
In addition the following steps that described device is used to addedly implement methods described can be constructed：
- try to achieve and preserve fuel pressure second change relative to fuel pressure first change difference and/or touch
Send out the difference attached troops to a unit of the injection valve of the second cylinder；And
- in the combustion chamber that the second cylinder is further injected fuel into the case of using difference.
Thus the device by the present invention is extraly improved.
The design of described device proposes a kind of computer program, and the computer program is programmed, so that extremely
Partially implement in the present inventive method.A kind of storage medium can be addedly set, and the storage medium includes being used to implement
The computer program of methods described.The volatile data non-volatile in other words of control and/or adjusting means can be related to herein
Memory and/or it is related to USB storage or CD-ROM memories.
Certainly, title " first " cylinder used above does not represent specific order or the first cylinder etc. forcibly
Structure is arranged.Also further so understand, i.e., can be used for the internal combustion with direct fuel injection as described above in the present inventive method
Machine, but the internal combustion engine with suction pipe penetrating is can be used in the corresponding way.
Brief description of the drawings
The exemplary embodiment of the present invention is explained with reference to the accompanying drawings.Shown in accompanying drawing：
Fig. 1 is the fuel system for internal combustion engine；
Fig. 2 is the time chart of fuel pressure；
Fig. 3 is analogous to Fig. 2 time chart；
Fig. 4 is with the chart for changing fuel pressure by spraying into fuel quantity；And
Fig. 5 is the flow chart for implementing the method for operation internal combustion engine.
Identical reference is used for intimate element and ginseng in various embodiments in all of the figs
Number.
Embodiment
Fig. 1 shows the diagram of the simplification of the fuel system 10 for internal combustion engine 12, and the internal combustion engine has three gas herein
Cylinder 14 and a cylinder 16（" guide cylinder " " first " cylinder in other words）With attach troops to a unit be used for inject fuel into the He of cylinder 14
16 corresponding combustion chamber（There is no reference）In injection valve 18.The injection valve 18 can pass through each electrically operated device
20 are operated.Electrically operated device 20 can be configured to electromagnet or piezoelectric activated device and by means of electric lead 34 or transmission
Triggered to trigger signal 35 thereon.
Pressure reservoir 22 is shown on injection valve 18 in the accompanying drawings（" fuel high pressure accumulator ", " rail "）, the pressure
Power memory via high-tension line 25 supplies fuel by petrolift 24.Fuel pressure 26 is by pressure sensor 28（" rail pressure is sensed
Device "）It is monitored.Cylinder pressure sensors 30, which are arranged on cylinder 16, to be used to try to achieve internal cylinder pressure（Chamber pressure）.
Internal combustion engine 12 is for example configured to petrol engine or Diesel engine.
The device for controlling internal combustion engine 12 is shown in Fig. 1 upper right portion, the device herein include control and/or
Adjusting means 32, illustrative downward-sloping and arrival electric lead 34 and the data storage 36 being included in（Deposit
Storage media）With computer program 38.The data storage 36 has volatile and non-volatile memory element.
In operation, petrolift 24 is supplied to pressure reservoir 22 via pressure duct 25, and wherein pressure sensor 28 will
The signal for characterizing current fuel pressure 26 passes to control and/or adjusting means 32 via electric lead 34.Four injection valves 18
According to the trigger signal 35 of electrically operated device 20 by specific fuel quantity 54（Referring to Fig. 4）Spray into the combustion chamber of cylinder 14 and 16
In.
Fig. 2 shows the time chart with the fuel pressure 26 on time t, its internal combustion engine 12 for example for car
Fuel system 10.Multiple time graphs of fuel pressure 26 are shown in the drawings, the time graph is according to the more of triggering
The type of times concussion figure is shown.Fig. 2 accompanying drawing all extends not only about abscissa and more consumingly on ordinate, and
Reference axis crosspoint is corresponding to relatively higher fuel pressure 26.
The section of the rising of the curve is marked and phase by arrow 40 in the region on the left of the accompanying drawing of time chart
Should be in the delivery stroke of petrolift 24.Thus by fuel input pressure memory 22, wherein fuel pressure 26 is correspondingly lifted.
Arrow 42 in the intermediate region of time chart marks fuel to the part injection in the combustion chamber of each cylinder 14 or 16.
Here, the part injection is corresponding to injection in advance.Arrow 46 in the right side area of accompanying drawing is tagged to each
Main injection in combustion chamber.It is being marked in the time graph of fuel pressure 26 by arrow 48 and in all curves repeatedly
Ripple is by pressure pulse（Pressure wave）And the like cause.
, it is known that the fuel pressure 26 in accompanying drawing left field is substantially repeatedly brought up to pressure by the delivery stroke of petrolift 24
Force value 50.From moment t1, fuel pressure 26 is then with minimum rate reduction, and this causes such as leakage.As certainly
Moment t2 part injection（Arrow 42）Result, realize the stronger first change 52a of fuel pressure 26（Referring to figure
3）.
Here it is shown that a variety of different types of part injections, the part is injected in its duration and/or intensity side
Face is different and is respectively corresponding to the fuel quantity 54 of different injections.Here, the fuel quantity 54 of injection substantially linearly depends on
The change 52a that can be seen that in the accompanying drawing of fuel pressure 26.Part injection duration by electrically operated device 20 each
The triggering duration determines.
Main injection marked by arrow 46 and from moment t3 realizations causes being sprayed on part for fuel pressure 26
Penetrate significantly more intense change 52b（Referring to Fig. 3）, the fuel pressure extension under abscissa in the accompanying drawings.But this prolong
Stretch and be not shown in fig. 2.
Fig. 3 shows the Utopian and simplified time chart similar with Fig. 2.As Fig. 2 supplement, in figure 3
Show the change 52a and 52b that are obtained respectively as the result of part injection or main injection of fuel pressure 26.In order to show to become
Change 52b, depict the curve of the fuel pressure 26 at the end of main injection together under abscissa.
Time interval 53a and 53b are addedly depicted, it is characterized before or after part injection or main injection respectively
" measurement window ".In time interval 53a and 53b, the fuel pressure 26 is constant respectively, and petrolift 24
The effect of delivery stroke substantially disappears.Thus, it is possible to particularly precisely try to achieve fuel pressure 26 and change 52a and 52b.
Fig. 4, which is shown, change 52 on the fuel quantity 54 of penetrating with fuel pressure 26（Difference）Chart.Show four
Individual curve, the curve is asked with four respectively different pressure value 50- namely each initial fuel pressure 26- as parameter
.The direction of pressure value 50 or fuel pressure 26 of the arrow 56 along rising is indicated.Each of shown curve has special
Door initial value 58a, 58b, 58c or 58d and then with increased injection fuel quantity 54 rise ground and it is substantially linear
Ground extends.Chart is tried to achieve in the case of the detection band using hydraulic pressure herein.
Described initial value 58a, 58b, 58c and 58d are substantially caused by the controlled quentity controlled variable of fuel and caused by leakage,
The controlled quentity controlled variable-in identical fuel pressure 26-is about equal for the injection valve 18 of four cylinders 14 and 16
Or it is at least approximate, the leakage can be assumed into roughly the same for all cylinders 14 are with 16.The known song
Line substantially linearly extends.This means the relation between each change 52 and the fuel quantity 54 for the injection attached troops to a unit can be same
Compare linearly and corresponding try to achieve accurately and simply.But linear is not to force necessary, because single by the present invention
Adjust the relation risen also enough.
Fig. 5 shows the flow chart for implementing the method for being used for running internal combustion engine 12.The flow chart can use computer
Program 38 is completed.Start the program shown in Fig. 5 in frame 60 is started.
Fuel is realized in following square frame 64 to be ejected into first in the combustion chamber of cylinder 16.Therefore, using trigger signal
The electrically operated device 20 that 35 triggerings are attached troops to a unit.The time graph of fuel pressure 26 is tried to achieve herein.The time graph tried to achieve is together with table
The parameter for levying trigger signal 35 is stored with data storage 36.
First change 52 of the fuel pressure 26 in pressure reservoir 22 is tried to achieve in following square frame 68（Or 52a,
52b）, this first becomes the combustion chamber that the fuel that is turned in pressure reservoir 22 is ejected into the first cylinder 16 first in square frame 64
In result obtain.The first change 52 tried to achieve equally is stored in data storage 36.
Fuel pressure 26 is tried to achieve in following square frame 72 in pressure reservoir in the way of method in similar to square frame 68
The second change 52 in 22（52a, 52b in other words）, this second becomes and is turned to fuel in pressure reservoir 22 and sprays for second
To the cylinder 14（" second " cylinder）One of fuel chambers in result obtain.Cause the triggering letter first and sprayed for second
Numbers 35 be similar with the resulting jet model of fuel or even identical.
In the combustion chamber that fuel is further sprayed into the second cylinder 14 in block 74.It is preferred that this is using trigger signal 35
Or realized during jet model, such as its " usual " implementation in each running status existed of internal combustion engine 12.Here, institute
State trigger signal 35 or produce jet model can according to the parameter above tried to achieve, namely fuel pressure 26 first change
52 and/or the second change of fuel pressure 26 52 be changed.
Thus, it is possible to for the second cylinder 14- and when needed accordingly for the first cylinder 16- methods describeds for example
As steps described below：
（1）The fuel quantity 54 of determination should be sprayed into second of spray regime（" rated value "）；
（2）So change the trigger signal 35 for the second cylinder 14 by means of the program implemented in square frame 62 to 72,
So as to realize the change 52 of the rated value corresponding to fuel quantity 54 to be sprayed of fuel pressure 26 in pressure reservoir 22.
In first cylinder 16 fuel pressure 26 the change 52 tried to achieve first it may be said that from the first cylinder 16 " transmission " or " replicated " to
On second cylinder 14.Thus, it is possible to further be sprayed into cylinder 14 with the precision similar with the first cylinder 16, although cylinder 14
Without cylinder pressure sensors 30 or with similar e measurement technology.Thus cost is also saved.Thus it can such as close
Make cylinder 14 and 16 " equivalent " in the moment of torsion that cylinder is produced in other words of fuel quantity 54 of penetrating in itself.
Finish shown program in last square frame 76.Described method is then able to as any other cylinder
14 implement in a similar way.The method " abreast " for being preferred for all cylinders 14 is namely implemented simultaneously with order.
It is temporal that being set first with second of injection described in preferably Fig. 5 is sprayed first and/or for the second time
Position and/or duration and/or jet model so that the fuel pressure 26 in pressure reservoir 22 is before each penetrating
And/or the 53b in other words of time interval 53a afterwards（" measurement window "）It is interior substantially constant.Also according to petrolift 24
Running status in other words stroke movement provide in advance first and/or second injection temporal position and/or it is lasting when
Between and/or jet model.The purpose of two measures be particularly precisely try to achieve fuel pressure 26 due to first or second sprays
Penetrate the change 52a of acquisition 52b in other words.Therefore, needing briefly to change each running status used in internal combustion engine 12 if necessary
In jet model so that leave respectively time enough be used for accurately try to achieve fuel pressure 26.It is then able to quite accurate
Each change 52a and 52b is tried to achieve by means of poor forming method in ground.
It is preferred that preserving the change implemented in block 74 of trigger signal 35 and then in other operations of internal combustion engine 12
In can also without try to achieve the change 52 of fuel pressure 26 and be used for correct spray into cylinder 14 in fuel quantity 54.
Claims (9)
1. there are at least two cylinders for running（14；16）Internal combustion engine（12）Method, wherein fuel is from pressure reservoir
（22）Penetrating is associated with least two cylinders（14；16）Combustion chamber in, it is characterised in that following steps：
- the first cylinder will be injected in spray regime first（16）Combustion chamber in fuel quantity（54）Adjust rated value；
- find out fuel pressure（26）In pressure reservoir（22）In first change（52a）, it is described first become be turned to fuel from
Pressure reservoir（22）The first cylinder is ejected into first（16）Combustion chamber in result and draw；
- find out fuel pressure（26）In pressure reservoir（22）In second change（52b）, it is described second become be turned to fuel from
Pressure reservoir（22）In be ejected into the second cylinder for the second time（14）Combustion chamber in result and draw；
- according to fuel pressure（26）First change（52a）Further inject fuel into the second cylinder（14）Combustion chamber in, use
In making fuel pressure（26）Second change（52b）Close or equivalent fuel pressure（26）First change（52a）.
2. the method as described in claim 1, wherein, try to achieve and preserve fuel pressure（26）Second change（52b）Relatively
In fuel pressure（26）First change（52a）Difference and/or triggering the second cylinder（14）Injection valve the difference attached troops to a unit.
3. the method as described in claim 2, wherein, it is used subsequently to further inject fuel into the second cylinder using difference（14）
Combustion chamber in.
4. the method as described in claim 1, wherein, using cylinder pressure sensors（30）In the case of try to achieve and/or adjust
Section sprays into the first cylinder（16）Combustion chamber in fuel quantity（54）.
5. the method as described in claim 1, wherein, described spray first and/or for the second time includes at least one portion injection
（42）And/or main injection（46）.
6. the method as described in claim 1, wherein, the position on the time sprayed first and/or for the second time is provided in advance
And/or duration and/or jet model so that pressure reservoir（22）In fuel pressure（26）Before each penetrating
And/or time interval afterwards（53a、53b）It is inside constant.
7. the method as described in claim 6, wherein, according to supply pressure memory（22）Petrolift（24）Running status
Provide in advance first and/or second of injection is on the position of time and/or duration and/or jet model.
8. for controlling that there are at least two cylinders（14；16）Internal combustion engine（12）Device, wherein by fuel from pressure store
Device（22）Penetrating is associated with least two cylinders（14；16）Combustion chamber in, it is characterised in that the device is configured to according to following
Step implements the method as any one of claim 1 to 7：
- by the first cylinder（16）Combustion chamber in the range of spraying first the fuel quantity that sprays into（54）Adjust rated value
On；
- try to achieve pressure reservoir（22）Middle fuel pressure（26）First change（52a）, it is described first become be turned to pressure storage
Device（22）In fuel be ejected into the first cylinder first（16）Combustion chamber result obtain；
- try to achieve pressure reservoir（22）Middle fuel pressure（26）Second change（52b）, it is described second become be turned to pressure storage
Device（22）In fuel be ejected into the second cylinder for the second time（14）Combustion chamber result obtain；
- according to fuel pressure（26）First change（52a）Further inject fuel into the second cylinder（14）Combustion chamber in, use
In making fuel pressure（26）Second change（52b）Close or equivalent fuel pressure（26）First change（52a）.
9. the device as described in claim 8, wherein, methods described addedly comprises the following steps：
- try to achieve and preserve fuel pressure（26）Second change（52b）Relative to fuel pressure（26）First change（52a）
Difference and/or triggering the second cylinder（14）Injection valve the difference attached troops to a unit；And
- fuel is further sprayed into the second cylinder in the case where using difference（14）Combustion chamber in.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012206582.2 | 2012-04-20 | ||
| DE102012206582A DE102012206582A1 (en) | 2012-04-20 | 2012-04-20 | Method and device for operating an internal combustion engine |
| PCT/EP2013/057557 WO2013156377A1 (en) | 2012-04-20 | 2013-04-11 | Method and device for operating an internal combustion engine |
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| Publication Number | Publication Date |
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| CN104246189A CN104246189A (en) | 2014-12-24 |
| CN104246189B true CN104246189B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201380020714.2A Active CN104246189B (en) | 2012-04-20 | 2013-04-11 | Method and apparatus for running internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR102010614B1 (en) |
| CN (1) | CN104246189B (en) |
| DE (1) | DE102012206582A1 (en) |
| IN (1) | IN2014DN07312A (en) |
| WO (1) | WO2013156377A1 (en) |
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| WO2015169602A1 (en) | 2014-05-05 | 2015-11-12 | Noviosmart | Method for the serological diagnosis of rheumatoid arthritis. |
| DE102017217113A1 (en) * | 2017-09-26 | 2019-03-28 | Robert Bosch Gmbh | Method for operating an internal combustion engine and electronic control unit for an internal combustion engine |
| GB2629370A (en) * | 2023-04-25 | 2024-10-30 | Perkins Engines Co Ltd | Fuel injection system and method of controlling a fuel injection system |
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| DE19712143A1 (en) * | 1997-03-22 | 1998-09-24 | Bosch Gmbh Robert | Control procedure for internal combustion engine |
| CN1450258A (en) * | 2002-03-11 | 2003-10-22 | 三菱自动车工业株式会社 | Divided fuel injection control apparatus |
| DE10227279A1 (en) * | 2002-06-19 | 2004-01-08 | Robert Bosch Gmbh | Operating internal combustion engine involves verifying agreement of detected combustion chamber pressure with combustion chamber pressure derived from secondary parameter detected by auxiliary sensor |
| CN101142399A (en) * | 2005-03-18 | 2008-03-12 | 丰田自动车株式会社 | Fuel supply equipment for internal combustion engines |
| EP1975398A2 (en) * | 2007-03-26 | 2008-10-01 | Hitachi, Ltd. | Control device for high-pressure fuel system |
| CN101581253A (en) * | 2008-05-15 | 2009-11-18 | 株式会社电装 | Fuel injection control device and fuel injection system with the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726756C2 (en) * | 1997-06-24 | 2002-03-07 | Bosch Gmbh Robert | System for operating an internal combustion engine, in particular a motor vehicle |
| JP2006070845A (en) | 2004-09-03 | 2006-03-16 | Denso Corp | Common rail type fuel injection device |
-
2012
- 2012-04-20 DE DE102012206582A patent/DE102012206582A1/en active Pending
-
2013
- 2013-04-11 CN CN201380020714.2A patent/CN104246189B/en active Active
- 2013-04-11 KR KR1020147029341A patent/KR102010614B1/en active IP Right Grant
- 2013-04-11 IN IN7312DEN2014 patent/IN2014DN07312A/en unknown
- 2013-04-11 WO PCT/EP2013/057557 patent/WO2013156377A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19712143A1 (en) * | 1997-03-22 | 1998-09-24 | Bosch Gmbh Robert | Control procedure for internal combustion engine |
| CN1450258A (en) * | 2002-03-11 | 2003-10-22 | 三菱自动车工业株式会社 | Divided fuel injection control apparatus |
| DE10227279A1 (en) * | 2002-06-19 | 2004-01-08 | Robert Bosch Gmbh | Operating internal combustion engine involves verifying agreement of detected combustion chamber pressure with combustion chamber pressure derived from secondary parameter detected by auxiliary sensor |
| CN101142399A (en) * | 2005-03-18 | 2008-03-12 | 丰田自动车株式会社 | Fuel supply equipment for internal combustion engines |
| EP1975398A2 (en) * | 2007-03-26 | 2008-10-01 | Hitachi, Ltd. | Control device for high-pressure fuel system |
| CN101581253A (en) * | 2008-05-15 | 2009-11-18 | 株式会社电装 | Fuel injection control device and fuel injection system with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| IN2014DN07312A (en) | 2015-04-24 |
| DE102012206582A1 (en) | 2013-10-24 |
| KR102010614B1 (en) | 2019-08-13 |
| WO2013156377A1 (en) | 2013-10-24 |
| CN104246189A (en) | 2014-12-24 |
| KR20150005549A (en) | 2015-01-14 |
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