CN102985668B - To the common rail fuel system for multi cylinder row combustion engine that the fuel supply of each row is independently controlled - Google Patents
To the common rail fuel system for multi cylinder row combustion engine that the fuel supply of each row is independently controlled Download PDFInfo
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- CN102985668B CN102985668B CN201180024344.0A CN201180024344A CN102985668B CN 102985668 B CN102985668 B CN 102985668B CN 201180024344 A CN201180024344 A CN 201180024344A CN 102985668 B CN102985668 B CN 102985668B
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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
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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
- F02D41/008—Controlling each cylinder individually
- F02D41/0082—Controlling each cylinder individually per groups or banks
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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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
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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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
-
- 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
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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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
- F02M63/0275—Arrangement of common rails
- F02M63/0285—Arrangement of common rails having more than one common rail
- F02M63/0295—Arrangement of common rails having more than one common rail for V- or star- or boxer-engines
-
- 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
- F02D2041/3881—Common rail control systems with multiple common rails, e.g. one rail per cylinder bank, or a high pressure rail and a low pressure rail
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The present invention relates to the fuel system (100) that one is configured for explosive motor (110), described explosive motor (110) comprises at least two common fuel rail of separating (120,130), any fuel under high pressure connecting tube is there is not in described common fuel rail between (120,130).Fuel system (100) can comprise at least one first high-pressure service pump (140) be configured to the first common fuel rail (120) supply fuel under high pressure.First control module (160) can be configured to the operation controlling at least one the first high-pressure service pump (140).At least one second high-pressure service pump (150) can be configured to at least one the second common fuel rail (130) supply fuel under high pressure.At least one second control module (170) can be configured to the operation controlling at least one the second high-pressure service pump (150).First and second control modules (160,170) can be configured to communicate with one another, and the first and second control modules (160,170) one in can be configured to operate as main control module (170), and every other first and second control modules (160,170) can be configured to operate as from control module (170).
Description
Technical field
The present invention relates to the fuel system for explosive motor in general, and described explosive motor can comprise at least two row cylinders and relevant to each bank of cylinder common fuel rail.
In addition, the present invention relates to a kind of multi cylinder row explosive motor comprising first row cylinder and at least one secondary series cylinder.Each cylinder of first and second row can comprise at least one fuel injector.First common fuel rail can be configured to each fuel injector supply fuel under high pressure to first row cylinder.At least one second common fuel rail can be configured to each fuel injector supply fuel under high pressure at least one secondary series cylinder described.
In addition, the present invention can relate to the electronic control module (ECM) of the independently common rail (common rail) being configured to one or more control explosive motor, and described common rail can not be connected by high-voltage tube.
Especially, multi cylinder row explosive motor according to the present invention can be selected from the cluster engine be made up of radial engine, contraposition engine, V-type engine and w-type engine.This type of explosive motor can be used as diesel engine, petrol engine or is configured to dissimilar fuel ratio such as the explosive motor of heavy fuel oil, diesel oil, vapour oil and gas of burning and forms.
Background technique
EP2072792A2 discloses a kind of direct fuel injection type IC engine with V-type structure.Here, cylinder and piston are aimed in two planes of separating or " row ", make them look V-shaped when observing along the axis of bent axle.Whole motor length, height and weight is reduced generally compared with V-type structure constructs with suitable array.Two row cylinders and piston supply fuel by two common rail, and namely each row respectively has a common fuel rail.Two common fuel rail are connected by high-voltage tube.Each common rail is connected to high-pressure fuel supply to the high pressure fuel pump in relevant common rail.By controlling quantity control valve, cutting off or connecting according to the operating parameters of direct fuel injection type IC engine such as speed by the pumping of high pressure fuel pump to fuel in the normal operation of explosive motor.The operation that electronic control module (ECM) controls each high-pressure service pump makes the electronic control of quantity control valve cause the fuel supply in common rail or not supply.Especially for providing in the big-block engine of power at the place such as ship, boats and ships, the high-voltage tube connected needed for two common rail may be problematic.Due to vibration etc., high-voltage tube can become dangerous matter sources due to the leakage that may occur during operation.
US7, describes the another kind of fuel system comprising two common rail in 331,238B2, each row of V-type engine respectively have a common rail.This known fuel system comprises the high-voltage tube of connection two common rail equally.
US7, discloses similar fuel system in 234,449B2.Here, the common rail fuel injection apparatus for multiple row diesel locomotive engine comprises the common rail of each the row cylinder arrangement close to motor, provides fuel under high pressure with the FFCS Fuel Flow Control System that the cylinder to corresponding to each is relevant.Multiple high pressure fuel pump provides fuel under high pressure at least one in common rail.High-voltage tube is arranged between two common rail and transmits fuel under high pressure, thus provides lasting conveying to all cylinders in high-pressure service pump one breaks down.
US2007/0283935A1 describes a kind of V-type explosive motor.This explosive motor comprises left column and right row, and each row all has the cylinder of suitable quantity.This motor is provided with fuel supply device and control gear.Fuel supply device comprises the first petrolift and the second petrolift.The flow in fuel of discharging from these two petrolifts flows into common fuel feed path together.Then, fuel is assigned to the corresponding high-pressure fuel pipe arranged for two from fuel feed path.These high-pressure fuel pipe can be formed as common rail.Equally, be connected to each other for the high-pressure fuel pipe of each row and therefore can produce problem as above here.
US5,771, disclose a kind of method of automated power Equilibrator for tandem type motor and this device of operation in 860.This automated power Equilibrator comprises the power balance controller for making from the power-balance driving mutually the first and second motors of load to export.This control gear comprises the electronic control module be electrically connected with control panel.First and second inlet manifold pressure transducers are relevant to the first and second motors respectively.Offset potentiometer is connected to control panel.This control gear regulates the power stage of the second motor automatically in response to the inlet manifold pressure of the first motor, the inlet manifold pressure of the second motor and the signal that produced by described offset potentiometer.
At US6, in 694,242B2, disclose a kind of duel fuel engine with the multiple nonshared control units connected by broadband communication link.When motor operates in dual fuel mode, a controller direct gaseous fuel supply and control liquid fuel supply by the control of host controller.When motor operates in only diesel fuel mode, host controller controls all aspects of engine running.
US6, describes another kind of and master motor and one or more control system from motor coupling in 694,741B2.Master motor produces main torque and produces from torque from motor.Master motor and from motor have control to motor supply fuel computer.Host computer is through Interface Controller from computer for controlling, and making is the function of main torque from torque.
Disclose another kind of for having the control system of the machine of motor in US2008/0133117A1.Here, this motor has the first electronic controller.First electronic controller can operate into control motor.This motor also has the storage comprising predetermined configuration data.This motor also has the second electronic controller.Second electronic controller can operate into control motor.Second electronic controller is connected to the first electronic controller via data link.Second electronic controller is configured to automatically receive predetermined configuration data from the first electronic controller.This system also can comprise more than one motor.
As outlined above, it is all for problem may be had, especially when each row cylinder all has the V-type engine of a common rail due to connection required between multiple common rail to the known fuel supply system of multiple common rail supply fuel under high pressure.The high-voltage tube connecting two common rail may become dangerous matter sources.Especially, if motor is as being such as arranged on boats and ships or being arranged on the very large-scale motor of the equipment for generation of electric power, then can extending approximate number rice for the high-pressure connecting pipe connected needed for two common rail on V-type engine.Therefore, due to vibration and necessary tie point, the risk that the faults such as such as leakage occur may rise at these tie points or along high-voltage tube.
From the method for the pressure of the known a kind of common rail system of the A side for automatically controlling V-type explosive motor of US2010/024773A1 and the common rail system of B side.The rail pressure of the common rail system of A side is controlled automatically by A side Closed-loop pressure control system, and the rail pressure of the common rail system of B side is controlled automatically by B side Closed-loop pressure control system.The automatic control of every side is all independent of the automatic control of opposite side.The rail pressure of common setups is set to input for the benchmark of two Closed-loop pressure control systems.Therefore, the method concentrates on the completely independently Closed-loop pressure control system for each engine side.
The present invention is directed to the one or more aspects improving or overcome existing system at least partly.
Summary of the invention
According to a first aspect of the invention, a kind of fuel system can be configured for explosive motor, and this explosive motor can comprise at least two common fuel rail of separating, and there is not any fuel under high pressure connecting tube between described common fuel rail.This fuel system can comprise at least one first high-pressure service pump be configured to the first common fuel rail supply fuel under high pressure.First control module can be configured to the operation controlling at least one the first high-pressure service pump.At least one second high-pressure service pump can be configured to at least one the second common fuel rail supply fuel under high pressure.At least one second control module can be configured to the operation controlling this at least one the second high-pressure service pump.First and second control modules can be configured to communicate with one another.One in first and second control modules can be configured to as main control module operation, and every other first and second control modules can be configured to operate as from control module.
Such as, fuel system disclosed herein can comprise the first and second control modules arranged as the independent software module be integrated in an electronic control module.
Another exemplary embodiment of fuel system disclosed herein can comprise the first and second control modules arranged as independent electronic control module.
According to a further aspect of the invention, a kind of multi cylinder row explosive motor can comprise first row cylinder.Each cylinder of first row can comprise at least one fuel injector.First common fuel rail can be configured to each fuel injector supply fuel under high pressure to first row cylinder.This explosive motor also can comprise at least one secondary series cylinder, and each cylinder of this at least one secondary series comprises at least one fuel injector.At least one second common fuel rail can be configured to each fuel injector supply fuel under high pressure at least one secondary series cylinder.First and second common fuel rail can physically be separated each other, there is not any fuel connecting tube between the first and second common fuel rail.In addition, this explosive motor can comprise according to fuel system of the present invention.This explosive motor can be selected from the cluster engine be made up of multi cylinder row explosive motor, radial engine, contraposition engine, V-type engine and w-type engine.In addition, select the cluster engine that this explosive motor can form from the motor being used different types of fuel ratio as heavy fuel oil, diesel oil, vapour oil and gas operate by diesel engine, petrol engine and being configured to.
According to another aspect of the present invention, comprise at least two fuel rail of separating and the fuel system for explosive motor that there is not any fuel under high pressure connecting tube between common fuel rail can comprise the first series connection (in-line) system, this first train comprises at least one first high-pressure service pump, the first common fuel rail and the first control module.The first control module that this first train can be configured to by being correlated with controls independently.Second train can comprise at least one second high-pressure service pump, the second common fuel rail and the second control module.The second control module that second train can be configured to by being correlated with controls independently.First train and the second train can be configured to be independently controlled, but are in the MS master-slave structure of the first and second control modules.Main control module can be configured to the proper handling calculating relevant high-pressure service pump, the suitable fuel realizing relevant common fuel rail is made to add (fueling), and correspondingly control at least one from control module, the suitable fuel realizing relevant common fuel rail is added.
Another aspect of the present invention relates to a kind of method for operating multi cylinder row explosive motor.This motor can comprise first row cylinder.Each cylinder of first row can comprise at least one fuel injector.This motor also can comprise the first common fuel rail of each fuel injector supply fuel under high pressure be configured to first row cylinder, and at least one secondary series cylinder, and each cylinder of this at least one secondary series comprises at least one fuel injector.At least one second common fuel rail can be configured to each fuel injector supply fuel under high pressure at least one secondary series cylinder.First and second common fuel rail can physically be separated each other, there is not any fuel connecting tube between them.The method can comprise the following steps: via at least one first high-pressure service pump to the first common fuel rail supply fuel under high pressure, and via at least one second high-pressure service pump at least one the second common fuel rail supply fuel under high pressure.Step to the first common fuel rail supply fuel under high pressure and the step at least one second common fuel rail supply fuel under high pressure can pressure in the first and second common fuel rail substantially identical carry out.
Another aspect of the present invention relates to a kind of electronic control module.This electronic control module can comprise the first software control module of the effect being configured to play main control module.The suitable fuel that this first software control module can be configured to calculate the fuel injector supplied by the first and second common fuel rail of explosive motor adds.First and second common fuel rail can be separated, and do not arrange any fuel under high pressure connecting tube between the first and second common fuel rail.This electronic control module also can comprise and is configured to play at least one second software control module from the effect of control module.This at least one can be configured to from control module the operation controlling at least one high-pressure service pump be arranged for the second relevant common fuel rail supply fuel under high pressure.The suitable fuel that first software control module can be configured to calculate all fuel injectors supplied by the first and second common fuel rail adds and sends the signal indicating suitable fuel to add at least one from software control module.
It should be noted that main control module can have following characteristic.Main control module can be configured to calculate suitable fuel to be added and to the signal sending the suitable fuel of instruction from control module and add.Therefore, in this exemplary embodiment, only main control module calculates the interpolation of suitable fuel, receives the suitable fuel calculated add from control module.Based on or add according to calculated suitable fuel, main control module and corresponding associated components can be controlled independently from control module, such as respective associated high voltage pump and/or respective associated fuel sparger.Calculate suitable fuel to add to comprise and such as calculate the suitable fuel quantity that will be sprayed by fuel injector for the engine operating status expected according to the engine speed expected.
Other characteristic sum aspects of the present invention will be apparent from following description and accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the illustrative diagram being provided with the explosive motor of two common fuel rail be physically separated and fuel system according to one exemplary embodiment of the present invention;
Fig. 2 shows the flow chart of an exemplary embodiment according to the method for operating fuel system of the present invention; With
Fig. 3 shows another illustrative diagram being provided with the explosive motor of two common fuel rail be physically separated and fuel system according to another exemplary embodiment of the present invention.
Embodiment
With reference to Fig. 1, illustrate in greater detail an exemplary embodiment according to fuel system 100 of the present invention.To large-sized explosive motor 110 during this fuel system 100 may be used for.Especially, the size of explosive motor 110 can make it in such as ship, larger boats and ships or power equipment with structure.The explosive motor of this size can have with the power stage of 12 to 20 cylinders more than 500kW/ cylinder.
Fuel system 100 can be used for having the explosive motor 110 of at least two independent banks of cylinder 300,400.Each bank of cylinder 300,400 can comprise multiple cylinder 310,410.Each cylinder 310,410 can be equipped with at least one fuel injector 320,420.Each in these fuel injectors 320,420 can be connected to relevant common fuel rail 120,130.
As mentioned above, each bank of cylinder 300,400 of multiple row cylinder engine 110 can be provided with its independent common fuel rail 120,130.According to the present invention, these independent common fuel rail 120,130 can not be provided with fluid or physical connection between two common fuel rail 120,130, make fuel under high pressure can not flow to another common fuel rail 120,130 from a common fuel rail 120,130.
First common fuel rail 120 can be connected at least one high-pressure service pump 140.In the exemplary embodiment shown in Fig. 1, be provided with two high-pressure service pumps 140a, 140b.These high-pressure service pumps 140a, 140b can be configured to be schematically shown very much to the first relevant common fuel rail 120(by the high-pressure fuel supply of such as about 1500-2000bar or higher via one-way valve 650) in.
Second common fuel rail 130 can be connected at least one high-pressure service pump 150.In the exemplary embodiment shown in Fig. 1, be provided with two high-pressure service pumps 150a, 150b.These high-pressure service pumps 150a, 150b can be configured to be schematically shown very much to the second relevant common fuel rail 130(by the high-pressure fuel supply of such as about 1500-2000bar or higher via one-way valve 660) in.
First common fuel rail 120 can be configured to the fuel under high pressure being accumulated in the first common fuel rail 120 to multiple fuel injectors 320 supply of each cylinder 310 being positioned at first row 300 cylinder 310.Second common fuel rail 130 can be configured to the fuel under high pressure being accumulated in the second common fuel rail 130 to multiple fuel injectors 420 supply of each cylinder 410 being positioned at secondary series 400 cylinder 410.First common fuel rail 160 place can be provided with circulating valve 630.Second common fuel rail 170 place can be provided with another circulating valve 640.In addition, the first common fuel rail 160 place can be provided with safety valve 610.Second common fuel rail 160 place can be provided with another safety valve 620.
In the exemplary embodiment of the present invention shown in Fig. 1, the first common fuel rail 120 can be provided with the first pressure transducer 520.Each pressure transducer 520 can be configured to send pressure signal to the first electronic control module (ECM) 160.Pressure signal can indicate the pressure in the first relevant common fuel rail 120.Second common fuel rail 130 can be provided with the second pressure transducer 530.Each pressure transducer 530 can be configured to send pressure signal to the second electronic control module (ECM) 170.Pressure signal can indicate the pressure in the second relevant common fuel rail 130.Pressure sensor signal from each track 120,130 also can by an ECM160,170 monitoring.
Under term ECM also broadly can explain and make it possible to that electronic control unit (ECU) or similar electric control device are attributed to term ECM.
The operation time point of high-pressure service pump 140a, 140b and/or relevant fuel injector 320 and/or duration can be controlled by an ECM160.The operation time point of second high-pressure service pump 150a, 150b and/or fuel injector 420 and/or duration can be controlled by the 2nd ECM170.These functions also in accessible site to software to allow use less or only may control multiple high-pressure service pump and/or multiple sparger by an ECM.The of the present invention more detailed exemplary embodiment comprising integrated software is described hereinafter with reference to Fig. 3.
The suitable fuel that an ECM160 relevant to the first common fuel rail 120 can be configured to calculating first common fuel rail 120 and the second common fuel rail 130 adds.Calculate suitable fuel and add the signal that can comprise and produce and indicate the fuel quantity that will be sprayed by fuel injector.Especially, an ECM160 also can be configured to determine the expectation power stage of explosive motor 110 and/or determines the suitable fuel area density period of high pressure fuel pump 140a, 140b of being correlated with and/or determine that the fuel of the fuel injector 320 of being correlated with sprays conveying time point or the period adds for realizing suitable fuel.
In addition, an ECM160 can be connected to two ECM170 relevant to the second common fuel rail 130.As summarized above, the second common fuel rail 130 can be used as the first common fuel rail 120 and forms and can be equipped with identical more components such as high-pressure service pump 150a, 150b, pressure transducer 530 etc.But the 2nd ECM170 only can be configured to the signal receiving the suitable fuel interpolation of instruction via order wire 175 from an ECM160.Order wire 175 can be used as the formations such as CAN system.These controlling functions also accessible site in software, with allow use less or may only an ECM to control multiple bank of cylinder.
First serial fuel system 200 can comprise at least one the first high-pressure service pump 140a, 140b, the first common fuel rail 120 and the first electronic control module 160.The first electronic control module 160 that first serial fuel system 200 can be configured to by being correlated with controls independently.
Second serial fuel system 210 can comprise at least one the second high-pressure service pump 150a, 150b, the second common fuel rail 130 and the second electronic control module 170.The second electronic control module 170 that second serial fuel system 210 can be configured to by being correlated with controls independently.Engine speed control devices 500 and/or injection timing control gear 510 can be connected to an ECM160 and/or the 2nd ECM170.Engine speed control devices 500 and/or injection timing control gear 510 also can be parts of one of an ECM160 and the 2nd ECM170.
According to one exemplary embodiment of the present invention, electronic control module 160 can be used as main ECM160 and forms, and another electronic control module 170 can be used as and forms from ECM170.Term "master" and "slave" is being well-known in the art, and because omitted herein the detailed description of function to two ECM and operation.Advocate peace from controlling functions also accessible site to software with allow use less or may only an ECM to control multiple bank of cylinder.
industrial usability
Based on exemplary embodiment of the present invention as shown in Figure 1 and with reference to the flow chart of figure 2, the main operation of an exemplary embodiment of the fuel system 100 that following description operation will use in conjunction with explosive motor 110 and method.
Main ECM160 can comprise engine speed detection device 500, or can receive the signal of the current power motor speed of instruction explosive motor 110 from outer speed detector.In addition, main ECM160 can receive the signal of the pressure in instruction first common fuel rail 120 and/or the second common fuel rail 130.Main ECM160 also can receive the signal of the expectation power stage of instruction explosive motor 110.
Based on these determine or one or more in the value that receives, the correct fuel that main ECM160 can be configured to calculate multiple common fuel rail 120,130 adds.Calculate correct fuel and add the suitable fuel quantity that can comprise and determine to be sprayed by a fuel injector 320,420.Therefore, the value calculated can have unit mm
3/ fuel injector.
In another method step, main ECM160 can add the i.e. correct time point of such as petrolift 140a, 140b and fuel delivery time according to calculated fuel and/or the correct time point that sprays via the fuel of fuel injector 320 and duration control the timing of high-pressure service pump 140a, 140b and/or its fuel injector 320 of being correlated with.Main ECM160 also can order adding according to calculated correct fuel from ECM170 of the second common fuel rail 130 to control its relevant high-pressure service pump 150a, 150b and/or relevant fuel injector 320.
In other words: main ECM160 directly can control high-pressure service pump 140a, 140b of being correlated with and/or relevant fuel injector 320, the common fuel rail 120 of being correlated with can be supplied be in the fuel under high pressure under correct pressure.Therefore, enough fuel under high pressure can be obtained in the first common fuel rail 120, make the corresponding fuel injector 320 of the first bank of cylinder 300 to receive sufficient fuel at the time point of necessity and appropriate amount of fuel can be ejected in each cylinder chamber of cylinder 300.
The signal of the suitable fuel interpolation of instruction can be received from main ECM160 from ECM170, make the 2nd ECM170 can provide instruction to relevant high-pressure service pump 150a, 150b of the second common fuel rail 130 and/or fuel injector 420, and the proper operation of the correct fuel interpolation calculated that can realize for the second common fuel rail 130 and/or fuel injector 420.The circulation of the method step can be carried out continuously.
One or more due in said method step, even if do not arrange connecting tube between track 120,130, also can maintain substantially identical level by the pressure in the first and second common fuel rail 120,130.
If appropriate, determine that the method step of the expectation power stage of motor 110 also can based on the signal received from main ECM160, this signal can indicate the pressure in the first common fuel rail and/or the second common fuel rail 130.
With reference to figure 3, one exemplary embodiment of the present invention are described.The same or analogous parts of parts all with described above can have identical reference character.And the detailed description therefore can omitted these parts.Exemplary embodiment shown in Fig. 3 can comprise an only ECM700.ECM700 can comprise the first control module 710 and the second control module 720.Two control modules all can be used as software control module and arrange.A software control module can be used as main control module 710 and arranges, and another can be used as and arranges from control module 720.Main control module can be configured to the information that receives from speed/timing module and play the effect of above-mentioned main ECM.As above-mentioned from ECM, the information from main control module can be received from control module and can be configured to control row 400.
Speed/timing module accessible site in ECM700, or can be arranged on outside.
Although describe the preferred embodiments of the present invention in literary composition, improvement and modification can be added under the prerequisite of scope not departing from following claim.
Such as, control module as disclosed herein also can be configured to the proper handling calculating at least one first high-pressure service pump and at least one the second high-pressure service pump, the suitable fuel of first and second common fuel rail that can realize explosive motor is added, first and second common fuel rail are that fluid is separated, and do not arrange any fuel under high pressure connecting tube between the first and second common fuel rail.
Method as described herein also can comprise, and the step that the suitable fuel calculating all fuel injectors adds comprises and being provided in relevant cylinder chamber by a certain amount of fuel sprayed by a fuel injector (320,420).
The invention still further relates to a kind of computer program.This computer program can comprise and can perform in electronic control module and make electronic control module run a kind of instruction of method, and it is one or more that described method comprises in method step disclosed herein.
Generally speaking, advocate peace from controlling functions accessible site independent electronic control unit, or these function accessible site are in software to allow use less or only may control multiple bank of cylinder by an ECM.
Claims (14)
1. one kind is configured for the fuel system (100) of explosive motor (110), described explosive motor (110) comprises at least two common fuel rail of separating (120,130), described common fuel rail (120,130) there is not any fuel under high pressure connecting tube between, described fuel system (100) comprising:
Be configured at least one first high-pressure service pump (140) to the first common fuel rail (120) supply fuel under high pressure;
Be configured to the first control module (160 of the operation controlling at least one the first high-pressure service pump (140) described; 710);
Be configured at least one second high-pressure service pump (150) at least one the second common fuel rail (130) supply fuel under high pressure;
Be configured at least one second control module (170 of the operation controlling at least one the second high-pressure service pump (150) described; 720);
Described first and second control modules (160,170; 710,720) be configured to communicate with one another and the Stress control in described first and second common fuel rail (120,130) is become substantially identical, and described first and second control modules (160,170; 710,720) one in is configured to as main control module operation, and every other first and second control modules (160,170; 710,720) be configured to operate as from control module.
2. fuel system according to claim 1 (100), also comprises:
Comprise described at least one first high-pressure service pump (140), described first common fuel rail (120) and described first control module (160; 710) the first serial fuel system (200), described first serial fuel system (200) is configured to by described first control module (160 of being correlated with; 710) control independently; With
Comprise described at least one second high-pressure service pump (150), described second common fuel rail (130) and described second control module (170; 720) the second serial fuel system (210), described second serial fuel system (210) is configured to by described second control module (170 of being correlated with; 720) control independently;
Wherein, described first and second serial fuel systems (200,210) are configured to be independently controlled, but are in described first and second control modules (160,170; 710,720) in master/slave structure.
3. fuel system according to claim 1 and 2 (100), wherein, described main control module is configured to calculate suitable fuel to be added and sends to described the signal indicating described suitable fuel to add from control module.
4. fuel system according to claim 3 (100), wherein, described main control module is configured to the signal of the desired speed receiving the described explosive motor of instruction (110), adds to calculate suitable fuel based on described expectation engine speed and sends to described the signal indicating described suitable fuel to add from control module.
5. fuel system according to claim 3 (100), wherein, described main control module also comprises:
Be configured to the engine speed detection device (500) detecting engine speed in time;
Be configured to the injection timing device (510) of the operation timing setting fuel injector (320,420);
Wherein, described main control module is configured to calculate described high-pressure service pump (140; 150) proper handling adds with the suitable fuel making to realize described first and second common fuel rail (120,130), and correspondingly control described at least one from control module.
6. fuel system according to claim 1 and 2 (100), also comprises:
Be configured to first pressure transducer (520) of the pressure detected in described first common fuel rail (120), described first pressure transducer (520) and described first control module (160; 710) communicate, make it possible to by described first control module (160; 710) signal of the described common rail pressure of instruction is received;
Be configured at least one second pressure transducer (530) of the pressure detected at least one second common fuel rail (170) described, at least one second pressure transducer (530) described and at least one second control module (170 described; 720) communicate, make it possible to by least one second control module (170 described; 720) signal of instruction at least one common fuel rail pressure described is received.
7. fuel system according to claim 1 and 2 (100), wherein:
The described control module be configured to as main control module operation is also configured to described in order that at least one, from control module, makes it possible to the balancing run realizing described first and at least one second common fuel rail described (120,130).
8. fuel system according to claim 1 and 2 (100), wherein, described first and second control modules arrange as the independent software module (710,720) be integrated in an electronic control module (700).
9. fuel system according to claim 1 and 2 (100), wherein, described first and second control modules arrange as independent electronic control module (160,170).
10. fuel system according to claim 1 and 2 (100), wherein, described explosive motor (110) comprises first row (300) cylinder (310) and at least one secondary series (400) cylinder (410), each cylinder of described first row (300) comprises at least one fuel injector (320) being connected to described first common fuel rail (120), each cylinder (410) of described at least one secondary series (400) comprises at least one fuel injector (420) being connected to second common fuel rail (130),
Wherein, described first common fuel rail (120) is configured to each fuel injector (320) supply fuel under high pressure to described first row (300) cylinder (310); And
Wherein, at least one second common fuel rail (130) described is configured to each fuel injector (420) supply fuel under high pressure to the cylinder (410) of described at least one secondary series (400).
11. 1 kinds of multi cylinder row explosive motors (110), comprising:
First row (300) cylinder (310), each cylinder (310) of described first row (300) comprises at least one fuel injector (320);
Be configured to first common fuel rail (120) of each fuel injector supply fuel under high pressure to described first row (300) cylinder (310);
At least one secondary series (400) cylinder (410), each cylinder (410) of described at least one secondary series (400) comprises at least one fuel injector (420);
Be configured at least one second common fuel rail (130) of each fuel injector (420) supply fuel under high pressure to described at least one secondary series (400) cylinder (410);
Wherein, described first and second common fuel rail (120,130) are separated from one another, and described first and second common fuel rail do not exist any fuel connecting tube between (120,130); With
According to the fuel system (100) in claim according to any one of 1 to 10.
12. 1 kinds for operating the method for multi cylinder row explosive motor, described explosive motor comprises: first row (300) cylinder (310), and each cylinder (310) of described first row (300) comprises at least one fuel injector (320); Be configured to first common fuel rail (120) of each fuel injector (320) supply fuel under high pressure to described first row (300) cylinder (310); At least one secondary series (400) cylinder (410), each cylinder (410) of described at least one secondary series (400) comprises at least one fuel injector (420); Be configured at least one second common fuel rail (130) of each fuel injector (420) supply fuel under high pressure to described at least one secondary series (400) cylinder (410), wherein, described first and second common fuel rail (120,130) separated from one another, described first and second common fuel rail (120,130) there is not any fuel connecting tube between
Described method comprises:
Via by the first control module (160; 710) at least one first high-pressure service pump (140) controlled is to the first common fuel rail (120) supply fuel under high pressure; With
Via by least one the second control module (170; 720) at least one second high-pressure service pump (150) controlled is at least one second common fuel rail (130) supply fuel under high pressure;
Wherein, carry out when method step to described first common fuel rail (120) supply fuel under high pressure is substantially identical with the pressure of method step in described first and second common fuel rail (120,130) to described at least one second common fuel rail (130) supply fuel under high pressure;
Make described first and second control modules (160,170; 710,720) one in operates as main control module; With
Make every other first and second control modules (160,170; 710,720) as operating from control module.
13. methods according to claim 12, described method also comprises:
The suitable fuel being calculated all fuel injectors of described first and second common fuel rail (120,130) by described main control module is added, and
To the described signal sending the described suitable fuel interpolation that instruction is calculated by described main control module from control module.
14. 1 kinds of electronic control modules (700), comprising:
Be configured to first software control module (710) of the effect playing main control module, wherein said main control module is configured to calculate the first and second common fuel rail (120 by explosive motor (110), 130) fuel injector (320 supplied, 420) suitable fuel adds, described first and second common fuel rail (120,130) be separated, described first and second common fuel rail do not arrange any fuel under high pressure connecting tube between (120,130); With
Be configured to play at least one second software control module (720) from the effect of control module, wherein said at least one be configured to control the operation of at least one high-pressure service pump (150) be arranged for relevant the second common fuel rail (130) supply fuel under high pressure from control module;
Wherein, described main control module is configured to calculate by described first and second common fuel rail (120,130) all fuel injectors (320 supplied, 420) suitable fuel add and to described at least one send from control module signal that the described suitable fuel of instruction adds, make the pressure in described first and second common fuel rail (120,130) substantially identical.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10005139A EP2388460A1 (en) | 2010-05-17 | 2010-05-17 | Common rail fuel system for a multi-cylinder bank combustion engine with independently controlled fuel supply to each bank |
| EP10005139.0 | 2010-05-17 | ||
| PCT/EP2011/002393 WO2011144312A1 (en) | 2010-05-17 | 2011-05-13 | Common rail fuel system for a multi-cylinder bank combustion engine with independently controlled fuel supply to each bank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102985668A CN102985668A (en) | 2013-03-20 |
| CN102985668B true CN102985668B (en) | 2016-04-06 |
Family
ID=42799853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180024344.0A Expired - Fee Related CN102985668B (en) | 2010-05-17 | 2011-05-13 | To the common rail fuel system for multi cylinder row combustion engine that the fuel supply of each row is independently controlled |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2388460A1 (en) |
| KR (1) | KR20130093505A (en) |
| CN (1) | CN102985668B (en) |
| WO (1) | WO2011144312A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2634401B1 (en) | 2012-02-28 | 2014-11-05 | Caterpillar Motoren GmbH & Co. KG | Control system and method for dual fuel engines |
| FR3011279B1 (en) * | 2013-09-30 | 2018-03-16 | Psa Automobiles Sa. | MOTOR VEHICLE COMBUSTION ENGINE WITH IMPROVED INJECTION |
| US10161307B2 (en) | 2016-05-17 | 2018-12-25 | Fairbanks Morse Llc | Bilateral engine control system |
| CN110542088B (en) * | 2019-09-12 | 2024-04-26 | 珠海格力电器股份有限公司 | Combustion device, gas water heater and control method of combustion device |
| IT202100003863A1 (en) * | 2021-02-19 | 2022-08-19 | Ferrari Spa | METHOD OF CONTROLLING A ROAD VEHICLE DURING A SPIN OF THE DRIVE WHEELS |
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| DE10113917A1 (en) * | 2001-03-21 | 2002-09-26 | Bosch Gmbh Robert | Secure control system, e.g. for motor vehicle combined control systems, has a safety system based on redundant storage of data on more than one controller unit |
| CN101463786A (en) * | 2007-12-17 | 2009-06-24 | 罗伯特·博世有限公司 | Method for operating a combustion engine |
| CN101676540A (en) * | 2008-08-04 | 2010-03-24 | Mtu腓特烈港有限责任公司 | Method for pressure control |
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| US5771860A (en) | 1997-04-22 | 1998-06-30 | Caterpillar Inc. | Automatic power balancing apparatus for tandem engines and method of operating same |
| US6073592A (en) * | 1998-03-06 | 2000-06-13 | Caterpillar Inc. | Apparatus for an engine control system |
| JP2002371899A (en) * | 2001-06-15 | 2002-12-26 | Fujitsu Ten Ltd | Engine control device |
| US6694741B2 (en) | 2001-09-17 | 2004-02-24 | Cummins, Inc. | Electronic engine synchronizer |
| US6694242B2 (en) | 2002-03-20 | 2004-02-17 | Clean Air Power, Inc. | Dual fuel engine having multiple dedicated controllers connected by a broadband communications link |
| US7234449B2 (en) | 2005-07-14 | 2007-06-26 | General Electric Company | Common fuel rail fuel system for locomotive engine |
| JP2007114001A (en) | 2005-10-19 | 2007-05-10 | Denso Corp | Pressure sensor |
| US20070283935A1 (en) | 2006-05-16 | 2007-12-13 | Toyota Jidosha Kabushiki Kaisha | Fuel pump control apparatus for internal combustion engine |
| US7634350B2 (en) | 2006-11-30 | 2009-12-15 | Caterpillar Inc. | Automatic configuration for a secondary engine electronic governor |
-
2010
- 2010-05-17 EP EP10005139A patent/EP2388460A1/en not_active Withdrawn
-
2011
- 2011-05-13 CN CN201180024344.0A patent/CN102985668B/en not_active Expired - Fee Related
- 2011-05-13 KR KR1020127030101A patent/KR20130093505A/en not_active Application Discontinuation
- 2011-05-13 WO PCT/EP2011/002393 patent/WO2011144312A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10113917A1 (en) * | 2001-03-21 | 2002-09-26 | Bosch Gmbh Robert | Secure control system, e.g. for motor vehicle combined control systems, has a safety system based on redundant storage of data on more than one controller unit |
| CN101463786A (en) * | 2007-12-17 | 2009-06-24 | 罗伯特·博世有限公司 | Method for operating a combustion engine |
| CN101676540A (en) * | 2008-08-04 | 2010-03-24 | Mtu腓特烈港有限责任公司 | Method for pressure control |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011144312A1 (en) | 2011-11-24 |
| KR20130093505A (en) | 2013-08-22 |
| CN102985668A (en) | 2013-03-20 |
| EP2388460A1 (en) | 2011-11-23 |
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