CN105649806A - Method for operating and controlling fuel pump of internal combustion engine - Google Patents
Method for operating and controlling fuel pump of internal combustion engine Download PDFInfo
- Publication number
- CN105649806A CN105649806A CN201510839743.2A CN201510839743A CN105649806A CN 105649806 A CN105649806 A CN 105649806A CN 201510839743 A CN201510839743 A CN 201510839743A CN 105649806 A CN105649806 A CN 105649806A
- Authority
- CN
- China
- Prior art keywords
- computer program
- petrolift
- moment
- temperature
- oil engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F02D41/3082—Control of electrical fuel pumps
-
- 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
- F02D2200/021—Engine temperature
- F02D2200/022—Estimation of engine temperature
-
- 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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/701—Information about vehicle position, e.g. from navigation system or GPS signal
-
- 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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/702—Road conditions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
There is described a method for operating and controlling a fuel pump (100) of an internal combustion engine. A predictive method (130) is used to obtain a time/distance point (t1), at which the internal combustion engine is to be put into operation. According to operation parameters of the internal combustion engine, the temperature value (T) is estimated (t) at the time/distance point (t1), at which the internal combustion engine is to be put into operation. According to the temperature value (T), an interval (Dt) is determined and the fuel pump (100) is turned on before the time/distance point with the interval (Dt) serving as a range.
Description
Technical field
The present invention relates to a kind of method that petrolift for combustion motor carries out manipulating.
Background technology
A kind of method that petrolift for combustion motor carries out manipulating is disclosed by DE19644497B4. A kind of so-called pump operation scheme in advance it is provided with, that is when handling petrolift described in ignition switch operate under specific operational conditions in there. This is such as following situation: between on oil engine, once shutdown and oil engine put into operation again, the shortest time does not also terminate. This kind depends on again the temperature of oil engine when cutting off and other parameters the shortest working time.
Modern oil engine has been equipped with stop system or has been coupled with electric drive unit. Rising in constantly running, in specific running status, cut off described oil engine and connect again described oil engine when leaving described running status. Correspondingly, for motor vehicle driven by mixed power, in specific running status, cut off described oil engine and by Vidacare corp to drive described vehicle.
In order to ensure that resetting of oil engine must specify: continue to run described petrolift lastingly. Especially for hybrid power system, unnecessary electric energy is thus consumed. Therefore specify, before just being started described oil engine, only just connect again described petrolift immediately.
Known at this, when the vehicle is stopped, petrolift can run at so-called controller idle running (Steuerger tnachlauf) resume, so as by the circulation of the fuel in fuel system, the assembly flowed therethrough to be cooled and avoid the formation of during described idle running fuel vapour or be dissolved in fuel medium release gas.
Because must power to electricity petrolift by battery after cutting off oil engine, so described idle running is subject to the appearance quantitative limitation of described battery at least in time. By the project organization of engine, the hottest core of heat of engine needs to come up to two hours to arrive outside from engine interior. Now there will be the situation of fuel release gas. Upper once start oil engine time, this kind of release gas must be compressed by described petrolift, and this causes the significantly bigger pressure initiation time.
Summary of the invention
Relative to this, by the present invention, the feature with claim 1, the method that carries out manipulating for the petrolift of combustion motor has the following advantages: make the starting of oil engine be accelerated when not consuming unnecessary energy.This realizes in the following manner: by perspective method obtain that described oil engine should put into operation again moment/section point. Operating parameter according to described oil engine estimate described oil engine should put into operation described moment/section point time the temperature value that exists. The section point that should put into operation according to described temperature value and described oil engine or moment obtain interval, with described be spaced apart amplitude described moment/section point before connect described petrolift. Thus ensure, sufficiently early but described petrolift need not be made to put into operation and fuel reaches required force value too early.
Particularly advantageously, described moment/section point is according to navigation data acquisition. Particularly advantageously, in addition described temperature value is calculated by model by different operating parameters. More accurate temperature value thus can be determined when again connecting oil engine. Thus can determine that accurate temperature value is for connecting described petrolift in time.
It is proved to be particularly advantageously, at least one parameter in following parameter has been used as operating parameter. This is exactly the fuel quantity sprayed before cutting and/or load. Temperature in cooling loop, wherein can consider the differing temps in cooling loop at this. This can be the temperature before cutting off on the one hand or also can be the temperature before again putting into operation. In addition, traveling speed can be considered, especially the traveling speed during being in stopping state at oil engine can be considered at this, because cooling performance is had tremendous influence by this kind of traveling speed. Correspondingly, envrionment temperature can be considered, because cooling is had impact by described envrionment temperature equally.
In one aspect of the method, the present invention relates to the program code being used from the computer program that establishment can run on the controller with processing instruction one, the source code especially with coded order and/or link instruction, wherein said program code is converted according to described processing instruction at it, produce when being also exactly especially encoded and/or be linked into the computer program that can run for perform one of described method computer program in steps. This kind of program code especially can be produced by source code, and described source code such as can from the downloaded Internet.
Accompanying drawing explanation
Embodiments of the invention are shown in the drawings and elaborated in the following description. In accompanying drawing:
Fig. 1 illustrates the main element of fuel feed system; And
Fig. 2 illustrates the schema by the method for the present invention.
Embodiment
Figure 1 illustrates the main element of the fuel injection system of oil engine. Petrolift is represented with 100. Electrically driven (operated) petrolift preferably used by described petrolift, and fuel is transported to injection system from fuel container by described petrolift. Described injection system can be such as so-called common rail system. At this, described petrolift provides fuel to high-pressure pump, described high-pressure pump by fuel area density in rail.
Described petrolift 100 is manipulated by operating device 110. It means that described operating device 110 is to the electric drive device on load voltage of described petrolift.
Described operating device 110 especially comprises model 115. The signal of different sensors 120 is carried to this model 115. In addition, described operating device 110 also processes the output signal of the method 130 of predictability.
As the method for predictability, such as, use the navigationsystem of the ground diagram data with predictability.This kind of navigationsystem part comprises so-called electronic horizon. " electronic horizon (EH) " today refer in particular to the driveway gradient and bend curvature, legal speed limit but also refer to the number in adeditive attribute such as crossing, changing of traffic lights, track, tunnel etc. It obtains along section, front as the attribute that position is fixing according to current vehicle location. Described electronic horizon is provided by " local horizon supplier (HorizonProvider) ", and described local horizon supplier can be such as the integral part of described navigationsystem. The route choosing in the future of officer can obtain by its input value for the target guiding of navigationsystem. When there is no target guiding, to be transmitted equally in most of situation in " most possible path ", described " most possible path " by based on roads classification or obtain by the statistical conditions about the section crossed. Can selection of land, described local horizon supplier gets the alternative circuit that officer also can select. Below " MPP " this concept is used for representatively most possible circuit and possible alternative circuit.
Except navigationsystem, also use the system that those have used the data being called as " floating vehicle data Floating-Car-Data " (FCD). These data produce from the current vehicle participating in traffic events. This not only comprise traveling state also comprise such as in traffic congestion, before traffic lights or the stopping state waiting on place. Data set at least comprises time-stamp and current coordinate. By the use of described FCD method, vehicle becomes the sensor of movement. At present, first taxi fleet is for generation of FCD, because taxi fleet has had the outfit of the necessity comprising dispatching center in order to task that fleet manages.
Further, it is known that dynamic section map. Described dynamic section map is such as used from mobile telephone with application program (App). Traffic sign is identified at this. Such as identify the traffic regulating speed of a motor vehicle signal mark by the camera of existing movement and it is transferred to the supplier of application program.
Application program user obtains the current section map of the traffic sign about the described adjustment speed of a motor vehicle for this reason, and this section map can utilize data accurately to realize such as sliding auxiliary such function. The described auxiliary traffic sign according to the adjustment speed of a motor vehicle along described section and Terrain Elevation distribution, current vehicle speed and the vehicle mass etc. of sliding provides suggestion to officer: unclamping throttle in time until sliding into the next speed provided, thus avoiding braking action and fuel saving.
Described section map electronically preserves on a storage medium, is such as kept in server or cloud computing. The officer of motor vehicle with its terminating unit moved by application program, such as navigate and be connected with the dynamic map on server or cloud computing at least temporarily. Described map such as comprise speed limit from where and the data that where terminate of speed limit.
In addition, vehicle is equipped with adaptability and cruises Controlling System (ACC). Described ACC carries out automatization by the prespecified longitudinal direction to the vehicle guiding of driving moment and deceleration moment. If there is no traffic conditions, then a kind of fixing speed of setting. In other words, follow the vehicle moved ahead if desired when there is traffic conditions, described in the vehicle that moves ahead measure by radar sensor or video sensor.In addition, described fixing speed is reduced when negotiation of bends.
Specifying in the further improved plan of one, described system has been expanded energy-conservation the sliding of a kind of vehicle being in inertia operation before speed limit or before turning. Speed limit and bend speed come from cloud. Described speed limit and bend speed is obtained by the set of the measurement situation from many vehicles in there.
The data of these systems and other systems do not mentioned are hereinafter referred to as the method for predictability, and drive load prediction for carrying out, and thus for know in time engine starting and and the pre-transferpump of operate electricity for the pressure initiation ensured in fuel feed system and cooling, lubrication, ventilation. The method 130 of described predictability provides prediction may again connect section point or moment t1 of described oil engine.
In addition, being provided with the fuel feed model 115 of calorifics according to the present invention, the fuel feed model of this calorifics is also referred to as model 115 hereinafter. This kind of model 115 calculates the temperature of stagnation point place in low-pressure fuel plenum system. For input parameter especially heat input and the heat discharge of described model 115. Especially the fuel injection amount depending on load and the heat produced due to the efficiency of described oil engine are counted into during the heat being input in low-pressure fuel plenum system inputs. The electricity pump rotating speed of petrolift, the volume of fuel tank interior and temperature, the speed of a motor vehicle and envrionment temperature are then counted in the discharge of described heat.
By returning from low pressure and/or high-pressure fuel system, the spillage drawn produces the input of another important heat. Preferred described spillage and thus described temperature can by least one Estimation of Parameters in following parameter: the injecting times of rail pressure, each injector, manipulation time length and engine loading.
As an alternative, it is also possible on the point that one or more is relevant, measure fuel temperature, and selection of land can derive other temperature when knowing (adjustment) section transport property.
If having cut off described oil engine, so determining by the understanding to the fuel temperature utilizing described model 115 to obtain, the prediction in future may start moment t1 of described oil engine or whether section point may exist the situation of release gas. In addition, moment or roadway point by the heat in described low-pressure fuel plenum system and described starting calculate interval, connect fuel area density by described electricity petrolift with the described amplitude that is spaced apart before starting described oil engine.
If arriving the moment or section point that precalculate, that just starts transfer the fuel by described electricity petrolift. That can select energy the best due to promptness and/or noise the best and/or that abrasion is best rotating speed, but described rotating speed must be counted in the calculating of described moment or section point.
If release gas usually should be avoided, before predictably identifying release gas, so always to be started described electricity petrolift when knowing all delays in fuel system. Described prediction when contributing to finding described electricity petrolift to start conveying slow as far as possible here, to consume the least possible electric energy.
Same situation be applicable to avoid too high fuel temperature and the mixture of avoiding especially biofuel or higher per-cent otherwise related to this aging. Described prediction when also contributing to finding described electricity petrolift to start conveying slow as far as possible here, to consume the least possible electric energy.
Figure 2 illustrates by a kind of schema implementing mode of the processing mode of the present invention. At this, for the moment, described processing mode is described. As an alternative, it is also possible to replace the moment and use section point. Section point and moment can be converted each other by the speed of a motor vehicle.
First step 200 obtains, by described perspective method, the moment t1 that described oil engine should put into operation. This realizes according to the data of the method 130 of described predictability. Especially to be used the data of navigationsystem for this reason.
The temperature T that may exist in the prediction of moment t1 is estimated by the 2nd step 210. To be used model 115 for this reason. One or more parameter in following parameter especially considered by described model 115: the fuel quantity sprayed before cutting or the temperature parameters of load parameter, especially cooling loop.
Obtain interval D t in a step 220, described petrolift 100 should be connected with the described amplitude that is spaced apart before described engine starting. Carry out when the temperature T that this preferably exists when considering connection. When higher temperature occurs, earlier connect compared with when lower temperature occurs.
Calculate moment t2 subsequently in step 230, at this moment t2, before described moment t1, connect described petrolift 100 by amplitude of described interval D t. Inquiry step 240 is checked: whether due in t2. If this is the case, then described petrolift 100 is connected in step 250.
Claims (9)
1. the method manipulated is carried out for the petrolift (100) of combustion motor, wherein by perspective method (130) obtain that described oil engine should put into operation moment/section point (t1), it is characterized in that, operating parameter according to described oil engine estimate described oil engine should put into operation described moment/section point (t1) time the temperature value (T) that exists, and obtain interval (Dt) according to described temperature value (T) and taking described interval (Dt) as amplitude described moment/section point (t1) before connect described petrolift (100).
2. by method according to claim 1, it is characterised in that, described time/section point (t1) is according to navigation data acquisition.
3. by method according to claim 1, it is characterised in that, obtain time length or distance as interval (Dt).
4. by method according to claim 1, it is characterised in that, calculate described temperature (T) by model (115).
5. by method according to claim 4, it is characterised in that, by described model, at least one parameter in following parameter is considered: temperature in the fuel quantity that sprays, load, cooling loop or envrionment temperature.
6. computer program, described computer program is configured to perform by the institute of one of the method according to any one of claim 1 to 5 in steps.
7. the storage media that machine can be read, saves by computer program according to claim 11 on the storage media that described machine can be read.
8. controller, described controller is configured to perform by the institute of one of the method according to any one of claim 1 to 5 in steps.
9. the program code being used from the computer program that establishment can run on the controller with processing instruction one, wherein said program code produces by computer program according to claim 6 when it is converted into the computer program that can run according to described processing instruction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014224468.4A DE102014224468A1 (en) | 2014-11-28 | 2014-11-28 | Method for controlling a fuel pump, an internal combustion engine |
| DE102014224468.4 | 2014-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649806A true CN105649806A (en) | 2016-06-08 |
Family
ID=56082305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510839743.2A Pending CN105649806A (en) | 2014-11-28 | 2015-11-27 | Method for operating and controlling fuel pump of internal combustion engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105649806A (en) |
| DE (1) | DE102014224468A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109241575A (en) * | 2018-08-13 | 2019-01-18 | 武汉中海庭数据技术有限公司 | The construction method of speed limit math model |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016104191A1 (en) * | 2016-03-08 | 2017-09-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for controlling and regulating a motor vehicle |
| DE102017222825A1 (en) * | 2017-12-15 | 2019-06-19 | Robert Bosch Gmbh | Method for controlling a liquid pump / drive combination in a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0088716A2 (en) * | 1982-03-04 | 1983-09-14 | Stanadyne Inc. | Timing control for fuel injection pump |
| CN101040111A (en) * | 2004-10-07 | 2007-09-19 | 丰田自动车株式会社 | Fuel supply apparatus for internal combustion engine |
| CN101825030A (en) * | 2009-02-04 | 2010-09-08 | 通用汽车环球科技运作公司 | The method and apparatus that is used for the operation errors of definite high pressure fuel pump |
| CN102536476A (en) * | 2012-01-17 | 2012-07-04 | 成都欧韦尔技术设备有限公司 | Integration-type gas controller of dual-purpose fuel tanker and gas jetting time correcting method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19644497B4 (en) | 1996-10-25 | 2005-09-08 | Robert Bosch Gmbh | Method for controlling an internal combustion engine with a fuel pump |
-
2014
- 2014-11-28 DE DE102014224468.4A patent/DE102014224468A1/en not_active Withdrawn
-
2015
- 2015-11-27 CN CN201510839743.2A patent/CN105649806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0088716A2 (en) * | 1982-03-04 | 1983-09-14 | Stanadyne Inc. | Timing control for fuel injection pump |
| CN101040111A (en) * | 2004-10-07 | 2007-09-19 | 丰田自动车株式会社 | Fuel supply apparatus for internal combustion engine |
| CN101825030A (en) * | 2009-02-04 | 2010-09-08 | 通用汽车环球科技运作公司 | The method and apparatus that is used for the operation errors of definite high pressure fuel pump |
| CN102536476A (en) * | 2012-01-17 | 2012-07-04 | 成都欧韦尔技术设备有限公司 | Integration-type gas controller of dual-purpose fuel tanker and gas jetting time correcting method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109241575A (en) * | 2018-08-13 | 2019-01-18 | 武汉中海庭数据技术有限公司 | The construction method of speed limit math model |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014224468A1 (en) | 2016-06-16 |
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Application publication date: 20160608 |
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