CN106555722A - It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method - Google Patents
It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method Download PDFInfo
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- CN106555722A CN106555722A CN201710004968.5A CN201710004968A CN106555722A CN 106555722 A CN106555722 A CN 106555722A CN 201710004968 A CN201710004968 A CN 201710004968A CN 106555722 A CN106555722 A CN 106555722A
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- China
- Prior art keywords
- fuel
- oil
- control module
- pwm signal
- oil pump
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Classifications
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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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
Abstract
This application discloses a kind of become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method, the concrete system is integrated in oil pump control module on the ring flange of fuel pump, and received by two-way pwm signal and sending signal, communicate with sender and controller ECU, the rotating speed of electric fuel punp is controlled by pwm signal, and then controls output oil amount, when fuel feeding demand is big, electric fuel oil revolution speed increases, and increases fuel delivery；In fuel feeding demand hour, electric fuel oil revolution speed reduces, and reduces fuel delivery.The change discharge capacity electric fuel oil pumping system and fuel supply method, can reach reduces vehicle idling noise and carbon emission, reduces fuel consumption, the load of vehicle electrical systems and fuel oil in fuel tank temperature, increases the diagnosis of fuel oil supply system and increase the fuel pump life-span and save the purpose of arrangement space.
Description
Technical field
The present invention relates to automobile fueling technology field, in particular, is to be related to a kind of change discharge capacity electric fuel punp and change
Discharge capacity electric fuel punp fuel supply method.
Background technology
Electric fuel punp be computer in use for automobile control fuel control system a vitals, its main task be to
Fuel system supplies the enough, gasoline with authorized pressure.Research both at home and abroad about electric fuel punp at present is mainly concentrated
In the following aspects：1st, the optimization design of the parameter of electric fuel oil；2nd, the control technology of noise；3rd, reduce flow pulsation method
Research；4th, improve the research of the efficiency method of electric fuel punp；5th, improve the life-span of electric fuel punp.At present both at home and abroad
Vehicle is adopted and becomes discharge capacity electric fuel punp, has difference scheme more, general to be capable of achieving to reduce vehicle idling noise, reduction fuel consumption
And reduce carbon emission, reduce the load of vehicle electrical systems, reduce fuel oil in fuel tank temperature；But mostly it is oil pump and oil pump control
The separately installed arrangement of device, and carry out communicating, need individually to install sensor additional by unidirectional CAN lines in closed-loop control, install empty
Between it is larger, closed loop configuration is complicated.
The content of the invention
In view of this, the invention provides a kind of become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel oil oil pump feed side
Method, to solve due to oil pump and the separately installed arrangement of oil pump controller in prior art, and passes through unidirectional CAN in closed-loop control
Line carries out communicating, needs individually to install sensor additional, and installing space is larger, the complicated problem of closed loop configuration.
For achieving the above object, the present invention provides following technical scheme：
It is a kind of to become discharge capacity electric fuel oil pumping system, including：Engine controller ECU, fuel pump, oil pump control module and
Peripheral circuit, wherein：
The oil pump control module is integrated on the ring flange of the fuel pump；
The oil pump control module is led to the engine controller ECU using two-way pwm signal by LIN lines
News；
The oil pump control module controls the fuel pump by pwm signal and supplies output oil amount for engine.
Wherein, the engine controller ECU is additionally operable to：
In car load power up, pwm signal is sent to the oil pump control module and control the fuel pump start-up operation.
Wherein, the engine controller ECU is additionally operable to：
In car load running, the engine controller ECU according to high-pressure side oil pump sensor, lambda sensor and
Efficiency MAP inside the engine controller ECU, calculates vehicle by the engine controller ECU internal algorithms and works as
The amount of gasoline information that front state needs；
The amount of gasoline information is converted into into pwm signal and is sent to the oil pump control module, the oil pump control module
Pwm signal described in inter-process is simultaneously translated into voltage signal, provides relevant voltage to described by adjusting the pwm signal
Fuel pump control oil pump rotating speed provides output oil amount.
It is a kind of to become discharge capacity electric fuel punp fuel supply method, it is applied to become discharge capacity electric fuel oil pumping system, the change discharge capacity electricity
Dynamic fuel pump system includes：Engine controller ECU, fuel pump, oil pump control module and peripheral circuit, the method include：
The oil pump control module is led to the engine controller ECU using two-way pwm signal by LIN lines
News；
The engine controller ECU is sent fuel feeding desired signal to the oil pump control module by pwm signal；
The oil pump control module controls the fuel pump by pwm signal and supplies output oil amount for engine.
Wherein, the oil pump control module controls the fuel pump by pwm signal and supplies output oil amount for engine, specifically
For：
Ignition signal is sent to the oil pump control module by the engine controller ECU；
The oil pump control module is carried out processing to the ignition signal and generates pwm signal, and is sent to the fuel pump,
The fuel oil pump work is controlled, oil supply system low-pressure end is carried out and is built pressure；
The engine controller ECU is according to high-pressure side oil pump sensor, lambda sensor and the engine controller
ECU content efficiency MAP calculates the current demand fuel delivery that the fuel pump needed for car load current state is provided；
The current demand fuel delivery is converted to pwm signal to send to the oil pump control module, inter-process is carried out
And it is converted into voltage signal；
Relevant voltage signal is adjusted to the fuel pump by adjusting the pwm signal, the rotating speed of the fuel pump is controlled.
Wherein, the oil pump control module is by the diagnosis of the voltage of the fuel pump, pump oil flow and the fuel pump
Information is sent to the engine controller ECU using pwm signal by LIN lines.
Understand via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of become discharge capacity electric fuel oil
Pumping system and change discharge capacity electric fuel punp fuel supply method, the concrete system architecture include：Engine controller ECU, fuel pump, oil
Pump control module and peripheral circuit, wherein：Oil pump control module is integrated on the ring flange of fuel pump；Oil pump control module is led to
Cross LIN lines to be communicated with engine controller ECU using two-way pwm signal；Oil pump control module is fired by pwm signal control
Oil pump is that engine supplies output oil amount.The application is integrated in oil pump control module on the ring flange of fuel pump, and by two-way
Pwm signal is received and sending signal, is communicated with sender and controller ECU, controls the rotating speed of electric fuel punp by pwm signal,
And then control output oil amount, when fuel feeding demand is big, the increase of electric fuel oil revolution speed increases fuel delivery；In fuel feeding demand hour, electricity
Dynamic fuel oil revolution speed reduces, and reduces fuel delivery.The change discharge capacity electric fuel oil pumping system and fuel supply method, can reach reduction vehicle idle
Fast noise and carbon emission, reduction fuel consumption, the load of vehicle electrical systems and fuel oil in fuel tank temperature, increase fuel delivery
The diagnosis of system and increase the fuel pump life-span and save the purpose of arrangement space.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of change discharge capacity electric fuel punp system structure diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of change discharge capacity electric fuel punp fuel supply method schematic flow sheet provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Accompanying drawing 1 is referred to, Fig. 1 illustrates for a kind of discharge capacity electric fuel punp system architecture that becomes provided in an embodiment of the present invention
Figure.As shown in figure 1, the invention discloses a kind of become discharge capacity electric fuel oil pumping system, the concrete system architecture includes：Engine control
Device ECU1 processed, fuel pump 2, oil pump control module 3 and peripheral circuit 4, wherein：
Oil pump control module 3 is integrated on the ring flange of fuel pump 2；Oil pump control module 3 is by LIN lines using two-way
Pwm signal is communicated with engine controller ECU1；It is engine that oil pump control module 3 controls fuel pump 2 by pwm signal
Supply output oil amount.
Preferably, the engine controller ECU1 is additionally operable to：
In car load power up, pwm signal control fuel pump 2 is sent to oil pump control module 3 and started working.
Preferably, the engine controller ECU1 is additionally operable to：
In car load running, engine controller ECU1 is according to high-pressure side oil pump sensor, lambda sensor and sends out
Efficiency MAP inside motivation controller ECU1, calculating vehicle's current condition by engine controller ECU1 internal algorithms needs
The amount of gasoline information wanted；
Amount of gasoline information is converted into into pwm signal and is sent to oil pump control module 3,3 inter-process PWM of oil pump control module
Signal is simultaneously translated into voltage signal, provides relevant voltage to the offer of 2 control oil pump rotating speed of fuel pump by adjusting pwm signal
Output oil amount.
Present embodiment discloses a kind of concrete system architecture of discharge capacity electric fuel oil pumping system that becomes includes：Engine controller
ECU, fuel pump, oil pump control module and peripheral circuit, wherein：Oil pump control module is integrated on the ring flange of fuel pump；
Oil pump control module is communicated with engine controller ECU using two-way pwm signal by LIN lines；Oil pump control module is led to
Cross pwm signal fuel pump is controlled for engine supply output oil amount.Oil pump control module is integrated in the present embodiment the method for fuel pump
On blue disk, and received by two-way pwm signal and sending signal, communicated with sender and controller ECU, by pwm signal control
The rotating speed of electric fuel punp, and then output oil amount is controlled, when fuel feeding demand is big, the increase of electric fuel oil revolution speed increases fuel delivery；
In fuel feeding demand hour, electric fuel oil revolution speed reduces, and reduces fuel delivery.The change discharge capacity electric fuel oil pumping system and fuel feeding side
Method, can reach reduction vehicle idling noise and carbon emission, reduces the combustion of fuel consumption, the load of vehicle electrical systems and fuel tank
Oil temperature, the diagnosis for increasing fuel oil supply system and increase the fuel pump life-span and save the purpose of arrangement space.
Disclosed herein as well is a kind of become discharge capacity electric fuel punp fuel supply method, accompanying drawing 2 is referred to, Fig. 2 is real for the present invention
The a kind of of example offer is provided and becomes discharge capacity electric fuel punp fuel supply method schematic flow sheet.As shown in Fig. 2 the invention discloses a kind of become
Discharge capacity electric fuel punp fuel supply method, is applied to above-mentioned change discharge capacity electric fuel oil pumping system, the change discharge capacity electric fuel punp system
System includes：Engine controller ECU, fuel pump, oil pump control module and peripheral circuit, specific the method include following step
Suddenly：
S1, oil pump control module are communicated using two-way pwm signal and engine controller ECU by LIN lines.
S2, engine controller ECU are sent fuel feeding desired signal to oil pump control module by pwm signal.
S3, oil pump control module control fuel pump by pwm signal and supply output oil amount for engine.
Preferably, S3, oil pump control module control the concrete step that fuel pump is that engine supplies output oil amount by pwm signal
Suddenly include：
Ignition signal is sent to oil pump control module by engine controller ECU.
Oil pump control module is carried out processing to ignition signal and generates pwm signal, and is sent to fuel pump, controls fuel pump work
Make, carry out oil supply system low-pressure end and build pressure；
Engine controller ECU is imitated according to high-pressure side oil pump sensor, lambda sensor and engine controller ECU contents
Rate MAP calculates the current demand fuel delivery that fuel pump needed for car load current state is provided；
Current demand fuel delivery is converted to pwm signal to send to oil pump control module, inter-process is carried out and is converted into
Voltage signal；
Relevant voltage signal is adjusted to fuel pump by adjusting pwm signal, the rotating speed of fuel pump is controlled.
Preferably, the diagnostic message of the voltage of fuel pump, pump oil flow and fuel pump is passed through LIN by oil pump control module
Line is sent to engine controller ECU using pwm signal.
Present embodiment discloses a kind of become discharge capacity electric fuel punp fuel supply method, the present embodiment will be oil pump control module integrated
On the ring flange of fuel pump, and received by two-way pwm signal and sending signal, communicate with sender and controller ECU, pass through
Pwm signal controls the rotating speed of electric fuel punp, and then controls output oil amount, when fuel feeding demand is big, the increase of electric fuel oil revolution speed,
Increase fuel delivery；In fuel feeding demand hour, electric fuel oil revolution speed reduces, and reduces fuel delivery, and the method can reach reduction vehicle
Idling noise and carbon emission, reduction fuel consumption, the load of vehicle electrical systems and fuel oil in fuel tank temperature, increase fuel oil are supplied
Diagnosis to system and increase the fuel pump life-span and save the purpose of arrangement space.
Specifically, in actual applications, as shown in figure 1, a kind of discharge capacity electric fuel oil pumping system that becomes is constituted and operation principle,
System includes：Become discharge capacity electric fuel punp to communicate with engine controller ECU using two-way pwm signal by LIN lines；Oil pump control
Molding block passes through output oil amount of the pwm signal control oil pump for engine.
First, car load gets to ON shelves, carries out electricity on car load, and engine controller ECU sends pwm signal oil-feed pump control mould
Block, oil pump controller module send pwm signal oil fuel feed pump, and fuel oil pump work, oil supply system low-pressure end build pressure, oil during this
Pump controller module send pwm signal control fuel pump operation voltage it is relatively low, the output oil amount of fuel pump is less；Car load gets to ST
Shelves, in car load normal course of operation, engine controller ECU is according to high-pressure side oil pump sensor, lambda sensor, engine control
MAP inside device ECU, calculates the amount of gasoline information that vehicle's current condition needs by engine controller ECU internal algorithms, sends out
This information is converted into pwm signal and sends oil pump control module by motivation controller ECU, and oil pump control inside modules process this signal
And voltage signal is converted into, adjusted by PWM and relevant voltage is provided to fuel pump, and then it is different to control the offer of fuel oil revolution speed
Fuel delivery, realizes adjusting fuel delivery according to current vehicle condition, reduces vehicle idling noise and carbon emission, reduction fuel oil disappear
Consumption, the load of vehicle electrical systems and fuel oil in fuel tank temperature.
Secondly, in above process, the voltage of oil pump, pump oil flow, diagnostic message can be passed through LIN by oil pump control module
Line is sent to ECU controllers using pwm signal, solves due to oil pump and the separately installed arrangement of oil pump controller, and in closed loop control
Carry out communicating, need individually to install sensor additional by unidirectional CAN lines when processed, installing space is larger, the complicated problem of closed loop configuration.
It is to sum up shown, the invention discloses a kind of become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel oil oil pump feed side
Method, the concrete system architecture include：Engine controller ECU, fuel pump, oil pump control module and peripheral circuit, wherein：Oil
Pump control module is integrated on the ring flange of fuel pump；Oil pump control module adopts two-way pwm signal and engine by LIN lines
Controller ECU is communicated；Oil pump control module controls fuel pump by pwm signal and supplies output oil amount for engine.The application
Oil pump control module is integrated on the ring flange of fuel pump, and is received by two-way pwm signal and sending signal, with transmitter
Controller ECU is communicated, and is controlled the rotating speed of electric fuel punp by pwm signal, and then is controlled output oil amount, when fuel feeding demand is big,
Electric fuel oil revolution speed increases, and increases fuel delivery；In fuel feeding demand hour, electric fuel oil revolution speed reduces, and reduces fuel delivery.Should
Become discharge capacity electric fuel oil pumping system and fuel supply method, can reach reduction vehicle idling noise and carbon emission, reduce fuel consumption, car
The load and fuel oil in fuel tank temperature of electrical system, the diagnosis for increasing fuel oil supply system and increase the fuel pump life-span simultaneously
Save the purpose of arrangement space.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
Method proposed by the invention is exemplarily described above in association with accompanying drawing, the explanation of above example is
It is used to help understand the core concept of the present invention.For one of ordinary skill in the art, according to the thought of the present invention, concrete
Will change in embodiment and range of application, such as front-rear axle has motor to participate in hybrid power system of driving etc..
In sum, this specification content should not be construed as limiting the invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (6)
1. it is a kind of to become discharge capacity electric fuel oil pumping system, it is characterised in that to include：Engine controller ECU, fuel pump, oil pump control
Molding block and peripheral circuit, wherein：
The oil pump control module is integrated on the ring flange of the fuel pump；
The oil pump control module is communicated with the engine controller ECU using two-way pwm signal by LIN lines；
The oil pump control module controls the fuel pump by pwm signal and supplies output oil amount for engine.
2. it is according to claim 1 to become discharge capacity electric fuel oil pumping system, it is characterised in that the engine controller ECU
It is additionally operable to：
In car load power up, pwm signal is sent to the oil pump control module and control the fuel pump start-up operation.
3. it is according to claim 1 to become discharge capacity electric fuel oil pumping system, it is characterised in that the engine controller ECU
It is additionally operable to：
In car load running, the engine controller ECU is according to high-pressure side oil pump sensor, lambda sensor and described
Efficiency MAP inside engine controller ECU, calculates the current shape of vehicle by the engine controller ECU internal algorithms
The amount of gasoline information that state needs；
The amount of gasoline information is converted into into pwm signal and is sent to the oil pump control module, the oil pump control inside modules
Process the pwm signal and be translated into voltage signal, relevant voltage is provided to the fuel oil by adjusting the pwm signal
Pump control oil pump rotating speed provides output oil amount.
4. it is a kind of to become discharge capacity electric fuel punp fuel supply method, it is characterised in that to be applied to become discharge capacity electric fuel oil pumping system, it is described
Becoming discharge capacity electric fuel oil pumping system includes：Engine controller ECU, fuel pump, oil pump control module and peripheral circuit, the party
Method includes：
The oil pump control module is communicated with the engine controller ECU using two-way pwm signal by LIN lines；
The engine controller ECU is sent fuel feeding desired signal to the oil pump control module by pwm signal；
The oil pump control module controls the fuel pump by pwm signal and supplies output oil amount for engine.
5. it is according to claim 4 to become discharge capacity electric fuel punp fuel supply method, it is characterised in that the oil pump control module
The fuel pump is controlled by pwm signal and output oil amount is supplied for engine, specially：
Ignition signal is sent to the oil pump control module by the engine controller ECU；
The oil pump control module is carried out processing to the ignition signal and generates pwm signal, and is sent to the fuel pump, is controlled
The fuel oil pump work, carries out oil supply system low-pressure end and builds pressure；
The engine controller ECU is according in high-pressure side oil pump sensor, lambda sensor and the engine controller ECU
Hold efficiency MAP and calculate the current demand fuel delivery that the fuel pump needed for car load current state is provided；
The current demand fuel delivery is converted to pwm signal to send to the oil pump control module, inter-process is carried out and is turned
Turn to voltage signal；
Relevant voltage signal is adjusted to the fuel pump by adjusting the pwm signal, the rotating speed of the fuel pump is controlled.
6. it is according to claim 5 to become discharge capacity electric fuel punp fuel supply method, it is characterised in that the oil pump control module
By the diagnostic message of the voltage of the fuel pump, pump oil flow and the fuel pump by LIN lines using pwm signal send to
The engine controller ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004968.5A CN106555722A (en) | 2017-01-04 | 2017-01-04 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004968.5A CN106555722A (en) | 2017-01-04 | 2017-01-04 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
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| Publication Number | Publication Date |
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| CN106555722A true CN106555722A (en) | 2017-04-05 |
Family
ID=58446157
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|---|---|---|---|
| CN201710004968.5A Pending CN106555722A (en) | 2017-01-04 | 2017-01-04 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
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| CN (1) | CN106555722A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939538A (en) * | 2017-12-28 | 2018-04-20 | 宁波洛卡特汽车零部件有限公司 | Both-way communication automobile fuel pump |
| CN108019307A (en) * | 2018-01-04 | 2018-05-11 | 宁波洛卡特汽车零部件有限公司 | From the automobile fuel pump controller system of closed-loop control oil pressure |
| CN108194214A (en) * | 2017-12-28 | 2018-06-22 | 宁波洛卡特汽车零部件有限公司 | The vehicle fuel pump control system monitored with CAN signal |
| CN115217697A (en) * | 2022-03-25 | 2022-10-21 | 广州汽车集团股份有限公司 | Fuel system, control method of fuel system and vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115217697A (en) * | 2022-03-25 | 2022-10-21 | 广州汽车集团股份有限公司 | Fuel system, control method of fuel system and vehicle |
| CN115217697B (en) * | 2022-03-25 | 2023-12-12 | 广州汽车集团股份有限公司 | Fuel system, control method of fuel system and vehicle |
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Application publication date: 20170405 |
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