CN105298701B - A kind of automobile and its fuel delivery amount control method and control system - Google Patents
A kind of automobile and its fuel delivery amount control method and control system Download PDFInfo
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- CN105298701B CN105298701B CN201510771680.1A CN201510771680A CN105298701B CN 105298701 B CN105298701 B CN 105298701B CN 201510771680 A CN201510771680 A CN 201510771680A CN 105298701 B CN105298701 B CN 105298701B
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Abstract
The invention discloses a kind of fuel delivery amount control method, including step：Obtain the fuel pressure flow value of return line；Fuel data fuzzy control section under the fuel pressure flow value and each operating mode is contrasted and divides gear；Charge oil pressure and fuel supply flow rate are calculated according to the gear, and the charge oil pressure and the fuel supply flow rate are sent to electric fuel punp to realize the regulation to fuel pump motor speed.In addition, the invention also discloses a kind of fuel delivery amount control system.Separately have, the invention discloses a kind of automobile for including the control of above-mentioned fuel supply volume.Above-mentioned fuel delivery amount control method, can avoid electric fuel punp from being chronically at high-pressure oil feed state and cause the ablation of motor, and can solve the problems, such as that the noise of electric fuel punp is excessive to a certain extent.
Description
Technical field
The present invention relates to Vehicle Engineering technical field, more particularly to a kind of fuel delivery amount control method.It is in addition, of the invention
Further relate to a kind of fuel delivery amount control system.Separately have, the invention further relates to a kind of with the fuel delivery amount control system
Automobile.
Background technology
With the fast development of China's automobile industry, automobile of the market for various types of fuel delivery amount control systems
Demand increasingly increase.
The lifting of China's automobile engine performance in recent years, the requirement to fuel system also improve therewith, most obvious to be
For the lifting of charge oil pressure requirement in fuel oil supply system.Wherein important component of the electric fuel punp as fuel system, it is tied
Structure, performance have material impact to the automobile engine fuel oil supply system.
It is well known that the function of vehicle fuel oil supply system is the needs according to engine, a fixed number is supplied to engine
The fuel oil of amount, and continue to ensure the charge oil pressure in fuel pipe.
Conventionally, as the structure of fuel delivery amount control system and design it is unreasonable so that electric fuel oil
The durability of pump is too low, operating efficiency is insufficient, and it is too low to directly result in whole fuel system working life.In addition, traditional oil pump control
Monitoring sensing device is lengthy and jumbled in technology processed, and calculation is complicated, and reliability is low.
Therefore, how to solve that fuel pump durability is too low, operating efficiency is insufficient is those skilled in the art institute urgent need to resolve
The problem of.
The content of the invention
It is an object of the invention to provide a kind of fuel delivery amount control method, this method can solve fuel pump durability mistake
Low, the problem of operating efficiency is insufficient.In addition, it is a further object of the present invention to provide a kind of fuel delivery amount control system.Separately have,
It is a still further object of the present invention to provide a kind of automobile with the fuel delivery amount control system
To achieve the above object, the present invention provides a kind of fuel delivery amount control method, including step：
Obtain the fuel pressure flow value of return line；
Fuel data fuzzy control section under the fuel pressure flow value and each operating mode is contrasted and divides gear；
Charge oil pressure and fuel supply flow rate are calculated according to the gear, and the charge oil pressure and the fuel supply flow rate are sent
To electric fuel punp to realize the regulation to fuel pump motor speed.
Preferably, fuel data fuzzy control section under the fuel pressure flow value and each operating mode is contrasted and drawn
The process of stepping position, is specifically included：It is high-power that the gear is divided into idling low-power section, nominal situation section and high capacity
Section.
Preferably, the process of charge oil pressure and fuel supply flow rate is calculated according to the gear, is specifically included：By the fuel feeding pressure
Power is arranged to identical with actual demand pressure of the engine to fuel pipe；The fuel supply flow rate is arranged to engine to described
1.0~1.2 times of the maximum actual demand amount of fuel pipe.
Preferably, the fuel supply flow rate is specifically configured to engine to the maximum actual demand amount of the fuel pipe
1.1 again.
In addition, the present invention also provides a kind of fuel delivery amount control system, including pressure flow sensor, fuel pipe are watched
Take device, electric fuel pump controller and electric fuel punp；
The pressure flow sensor, for obtaining the fuel pressure flow value of return line；
The fuel pipe servomechanism, for by fuel data fuzzy control under the fuel pressure flow value and each operating mode
Section is contrasted and divides gear；
The electric fuel pump controller, charge oil pressure and fuel supply flow rate are calculated according to the gear；
The electric fuel punp, fuel oil pump motor is turned with realizing with the fuel supply flow rate for receiving the charge oil pressure
The regulation of speed.
Separately have, the present invention also provides a kind of automobile, including body shell and the fuel oil inside the body shell
Amount control system is supplied, the fuel delivery amount control system is above-mentioned fuel delivery amount control system.
Relative to above-mentioned background technology, fuel delivery amount control method provided by the invention, the return line of acquisition is utilized
In fuel pressure flow value, itself and fuel data fuzzy control section under each operating mode are contrasted, so as to divide gear, and
The calculating of charge oil pressure and fuel supply flow rate is carried out according to the gear after division；So, fuel supply volume of the invention control
Method carries out gear division and calculates charge oil pressure and fuel feeding stream by the change of the fuel pressure flow value in return line
Amount, regulation fuel pump motor speed is actually needed so as to basis, to realize the conversion to the working condition of electric fuel punp；
Using the above method, just electric fuel punp can be avoided to be chronically at high-pressure oil feed state and cause the ablation of motor, and energy
It is enough to solve the problems, such as that the noise of electric fuel punp is excessive to a certain extent.
In addition, fuel delivery amount control system provided by the invention, can avoid electric fuel punp from being chronically at high pressure confession
Oil condition and the ablation for causing motor, and can solve the problems, such as that the noise of electric fuel punp is excessive to a certain extent.
Separately have, the automobile provided by the invention with above-mentioned fuel delivery amount control system, can solve the problem that fuel pump is durable
The problem of property is too low, operating efficiency is insufficient；The fuel economy of vehicle can also be improved.
Brief description of the drawings
The schematic diagram for the fuel delivery amount control system that Fig. 1 is provided by the embodiment of the present invention；
The flow chart for the fuel delivery amount control method that Fig. 2 is provided by the embodiment of the present invention.
Wherein：
1- pressure flows sensor, 2- fuel pipes servomechanism, 3- electric fuel pump controllers, 4- electric fuel punps.
Embodiment
The core of the present invention is to provide a kind of fuel delivery amount control method, and the control method can avoid electric fuel punp
It is chronically at high-pressure oil feed state and causes the ablation of motor；In addition, another core of the present invention is to provide a kind of fuel delivery
Amount control system；Separately have, another core of the invention is to provide a kind of automobile for including above-mentioned fuel delivery amount control system.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings and it is embodied
The present invention is described in further detail for mode.
It refer to Fig. 1 and Fig. 2, the schematic diagram for the fuel delivery amount control system that Fig. 1 is provided by the embodiment of the present invention；Figure
The flow chart of the 2 fuel delivery amount control methods provided by the embodiment of the present invention.
Fuel delivery amount control method provided by the invention, comprises the following steps：
S101：Obtain the fuel pressure flow value of return line；
S102：The fuel pressure flow value is contrasted and divided with fuel data fuzzy control section under each operating mode
Gear；
S103：Charge oil pressure and fuel supply flow rate are calculated according to the gear, and by the charge oil pressure and the fuel feeding stream
Amount is sent to electric fuel punp to realize the regulation to fuel pump motor speed.
In step S101, the fuel pressure flow value of return line in fuel system is obtained, obtains the combustion of return line
Oil pressure and fuel flow value.
In step s 102, according to fuel pressure and fuel flow value, by fuel pressure and fuel flow value and each operating mode
Lower fuel data fuzzy control section is contrasted, and marks off gear；Herein, in fuel system calibration process, to each work
The demand and supply of fuel pressure needed for fuel system and fuel flow under condition carries out inductive statistics, and draws fuzzy control area
Between, so as to obtain fuel data fuzzy control section under each operating mode.
In step s 103, calculated according to the gear after division, draw charge oil pressure and fuel supply flow rate, and will calculate
Obtained charge oil pressure is sent to electric fuel punp with fuel supply flow rate, and the rotating speed of fuel oil pump motor is adjusted by electric fuel punp,
It is achieved thereby that the regulation of fuel pressure and flow.
In above process, due to obtain return line fuel pressure flow value frequency can according to being actually needed and
It is fixed, therefore charge oil pressure and fuel supply flow rate can be calculated in real time, so as to adjust the rotating speed of fuel oil pump motor in real time；So,
Just electric fuel punp can be avoided to be chronically at high-pressure oil feed state and cause the ablation of motor, and can be to a certain extent
Solve the problems, such as that the noise of electric fuel punp is excessive.
In above-mentioned steps S102, fuel data fuzzy control section under fuel pressure flow value and each operating mode is carried out pair
Than and divide the process of gear, specifically include：Gear is divided into idling low-power section, nominal situation section and the big work(of high capacity
Rate section.
That is, the fuel pressure of acquisition and fuel flow value are entered with fuel data fuzzy control section under each operating mode
Row contrast, it is three gears, respectively idling low-power section, nominal situation section and the high-power area of high capacity to mark off gear
Between.That is, judge that current engine is in idling low-power section, just by the fuel pressure to acquiring and fuel flow value
Normal which of operating mode section and the high-power section of high capacity section, so as to judge the running status of engine on the whole,
So as to the calculating of follow-up charge oil pressure and fuel supply flow rate.
In above-mentioned steps S103, the process of charge oil pressure and fuel supply flow rate will be calculated according to the gear, specifically included：
The charge oil pressure is arranged to identical with actual demand pressure of the engine to fuel pipe；The fuel supply flow rate is arranged to
1.0~1.2 times to the maximum actual demand amount of the fuel pipe of engine.
That is, in order to realize that the charge oil pressure being calculated and fuel supply flow rate meet need of the engine for fuel oil
Ask, charge oil pressure is calculated herein should be identical with actual demand pressure of the engine to fuel pipe；And confession is calculated
Oil stream amount should be engine to 1.0~1.2 times of the maximum actual demand amount of fuel pipe；So just it is able to ensure that engine
Run well.
Certainly, fuel supply flow rate will optimally be calculated herein and is arranged to maximum actual demand of the engine to fuel pipe
1.1 times of amount；So as on the premise of the normal operation of engine is ensured, realize optimal fuel economy.
In addition, fuel delivery amount control system provided by the invention, including pressure flow sensor 1, fuel pipe servo
Device 2, electric fuel pump controller 3 and electric fuel punp 4；
Pressure flow sensor 1, for obtaining the fuel pressure flow value of return line；
Fuel pipe servomechanism 2, for fuel pressure flow value and fuel data fuzzy control section under each operating mode to be entered
Row contrasts and divides gear；
Electric fuel pump controller 3, charge oil pressure and fuel supply flow rate are calculated according to gear；
Electric fuel punp 4, for receiving charge oil pressure and fuel supply flow rate to realize the regulation to fuel pump motor speed.
That is, by the pressure flow sensor 1 in fuel system on return line, pressure flow is passed
Signal output is felt into fuel pipe servomechanism 2, compares fuel data fuzzy control section under each operating mode for demarcating completion in advance,
Frequency conversion division is carried out to transducing signal, then gear signal is sent to electric fuel pump controller 3, electric fuel pump controller 3
Charge oil pressure and fuel supply flow rate are calculated according to gear, so as to adjust the motor speed of electric fuel punp 4, controlling pump oil pressure, reached
To the effect of real-time regulation fuel supply volume.Reduce in the past because electric fuel punp is caused with the working condition of high-pressure oil feed for a long time
Motor ablation, practical problems such as operating noise is excessive, and significantly improve vehicle fuel economy.So, can avoid
Electric fuel punp is chronically at high-pressure oil feed state and causes the ablation of motor, and can solve electronic combustion to a certain extent
The problem of noise of oil pump is excessive.
For fuel data fuzzy control section under each operating mode, refer in fuel system calibration process, it is each to vehicle
Fuel flow needed for fuel system under operating mode and pressure feed demand carry out inductive statistics, and draw out fuzzy control section
Figure, is stored in fuel pipe servomechanism 2, and mark off idling low-power section, nominal situation section and the high-power area of high capacity
Between this three classes operation interval.
Using the division of above-mentioned three classes operation interval, according to the data of pressure flow sensor 1, to judge the work of engine
Condition, and the oil pressure of whole fuel system and the real-time condition of flow are judged on this basis.By than fuel oil under above-mentioned each operating mode
Data fuzzy control section, real-time fuel feeding situation is converted and carries out third gear frequency conversion division by fuel pipe servomechanism 2, then by gear
Selection signal is sent to electric fuel pump controller 3, to carry out the calculating of charge oil pressure and fuel supply flow rate.
For the calculating of charge oil pressure and fuel supply flow rate, electricity with fuel delivery amount control method above analogously
The charge oil pressure that dynamic FPC Fuel Pump Controller 3 is calculated should be identical with actual demand pressure of the engine to fuel pipe；And count
The fuel supply flow rate drawn should be engine to 1.0~1.2 times of the maximum actual demand amount of fuel pipe, so as to engine
Run well.
Certainly, fuel supply flow rate will preferably be calculated herein and is arranged to maximum actual demand amount of the engine to fuel pipe
1.1 times；So as on the premise of the normal operation of engine is ensured, realize optimal fuel economy.
Using above-mentioned set-up mode, can reduce in the past because electric fuel punp 4 is for a long time with the working condition of high-pressure oil feed
Caused motor ablation, the practical problems such as operating noise is excessive, and significantly improve vehicle fuel economy.
Separately have, a kind of automobile provided by the present invention, including body shell, body shell are internally provided with fuel delivery
Amount control system, the fuel delivery amount control system are the fuel delivery amount control system described by above-mentioned specific embodiment；Vapour
The other parts of car are referred to prior art, not reinflated herein.
Detailed Jie has been carried out to automobile provided by the present invention and its fuel delivery amount control method and control system above
Continue.Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and repaiied
Decorations are also fallen into the protection domain of the claims in the present invention.
Claims (6)
1. a kind of fuel delivery amount control method, it is characterised in that including step：
Obtain the fuel pressure flow value of return line；
Fuel data fuzzy control section under the fuel pressure flow value and each operating mode is contrasted and divides gear；
Charge oil pressure and fuel supply flow rate are calculated according to the gear, and the charge oil pressure and the fuel supply flow rate are sent to electricity
Fuel pump is moved to realize the regulation to fuel pump motor speed.
2. fuel delivery amount control method according to claim 1, it is characterised in that by the fuel pressure flow value with
Fuel data fuzzy control section is contrasted and divides the process of gear under each operating mode, is specifically included：The gear is divided into
Idling low-power section, nominal situation section and the high-power section of high capacity.
3. fuel delivery amount control method according to claim 2, it is characterised in that fuel feeding pressure is calculated according to the gear
The process of power and fuel supply flow rate, is specifically included：The charge oil pressure is arranged to the actual demand with engine to fuel pipe
Pressure is identical；The fuel supply flow rate is arranged to engine to the 1.0~1.2 of the maximum actual demand amount of the fuel pipe
Times.
4. fuel delivery amount control method according to claim 3, it is characterised in that specifically set the fuel supply flow rate
1.1 times for engine to the maximum actual demand amount of the fuel pipe.
5. a kind of fuel delivery amount control system, it is characterised in that including pressure flow sensor, fuel pipe servomechanism, electricity
Dynamic FPC Fuel Pump Controller and electric fuel punp；
The pressure flow sensor, for obtaining the fuel pressure flow value of return line；
The fuel pipe servomechanism, for by fuel data fuzzy control section under the fuel pressure flow value and each operating mode
Contrasted and divide gear；
The electric fuel pump controller, charge oil pressure and fuel supply flow rate are calculated according to the gear；
The electric fuel punp, for receiving the charge oil pressure and the fuel supply flow rate to realize to fuel pump motor speed
Regulation.
6. a kind of automobile, including body shell and the fuel delivery amount control system inside the body shell, it is special
Sign is that the fuel delivery amount control system is the fuel delivery amount control system described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510771680.1A CN105298701B (en) | 2015-11-11 | 2015-11-11 | A kind of automobile and its fuel delivery amount control method and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771680.1A CN105298701B (en) | 2015-11-11 | 2015-11-11 | A kind of automobile and its fuel delivery amount control method and control system |
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| CN105298701A CN105298701A (en) | 2016-02-03 |
| CN105298701B true CN105298701B (en) | 2018-01-19 |
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| CN201510771680.1A Active CN105298701B (en) | 2015-11-11 | 2015-11-11 | A kind of automobile and its fuel delivery amount control method and control system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979920A (en) * | 2018-08-02 | 2018-12-11 | 安徽江淮汽车集团股份有限公司 | A kind of control method and system of automobile fuel pump |
| CN114753993A (en) * | 2022-03-25 | 2022-07-15 | 江铃汽车股份有限公司 | Noise reduction method and system for automobile oil pump |
Citations (5)
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|---|---|---|---|---|
| CN201428539Y (en) * | 2009-07-09 | 2010-03-24 | 河南科技大学 | Fuel injection system and Stirling engine with same |
| CN202867009U (en) * | 2012-07-31 | 2013-04-10 | 比亚迪股份有限公司 | Fuel pump controller |
| DE102013207372A1 (en) * | 2013-04-23 | 2014-10-23 | Robert Bosch Gmbh | Method for operating an electronic fuel pump |
| CN104514651A (en) * | 2013-09-29 | 2015-04-15 | 联合汽车电子有限公司 | Multi-gear fuel pump control system and implementation method |
| CN104976007A (en) * | 2015-08-07 | 2015-10-14 | 北京经纬恒润科技有限公司 | Testing device of high-pressure gasoline pump |
-
2015
- 2015-11-11 CN CN201510771680.1A patent/CN105298701B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201428539Y (en) * | 2009-07-09 | 2010-03-24 | 河南科技大学 | Fuel injection system and Stirling engine with same |
| CN202867009U (en) * | 2012-07-31 | 2013-04-10 | 比亚迪股份有限公司 | Fuel pump controller |
| DE102013207372A1 (en) * | 2013-04-23 | 2014-10-23 | Robert Bosch Gmbh | Method for operating an electronic fuel pump |
| CN104514651A (en) * | 2013-09-29 | 2015-04-15 | 联合汽车电子有限公司 | Multi-gear fuel pump control system and implementation method |
| CN104976007A (en) * | 2015-08-07 | 2015-10-14 | 北京经纬恒润科技有限公司 | Testing device of high-pressure gasoline pump |
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| CN105298701A (en) | 2016-02-03 |
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