CN108194214A - The vehicle fuel pump control system monitored with CAN signal - Google Patents
The vehicle fuel pump control system monitored with CAN signal Download PDFInfo
- Publication number
- CN108194214A CN108194214A CN201711466065.5A CN201711466065A CN108194214A CN 108194214 A CN108194214 A CN 108194214A CN 201711466065 A CN201711466065 A CN 201711466065A CN 108194214 A CN108194214 A CN 108194214A
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- CN
- China
- Prior art keywords
- feet
- control unit
- capacitance
- engine
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—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
- F02D41/28—Interface circuits
-
- 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
-
- 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
- F02M2037/085—Electric circuits therefor
Abstract
The present invention relates to a kind of vehicle fuel pump control systems monitored with CAN signal, for the fuel oil supply system of the engine of automobile, the control system is included detection unit, control unit of engine, oil pump control unit and monitoring computer, detection unit and control unit of engine is electrically connected in a manner of CAN communication；Control unit of engine is electrically connected oil pump control unit in a manner of CAN communication；Monitoring computer is electrically connected oil pump control unit in a manner of CAN communication；Wherein, the oil pump control unit is a controller, and the controller includes a housing and the circuit board, several contact pins and a heat sink mounted on the housing, several described contact pins, which are inserted into, connects the circuit board, and the circuit board is connected with the heat sink.Energy-saving and environmental protection of the present invention, reduce noise at safety, and FPC Fuel Pump Controller is monitored with CAN signal, when reality monitoring duty, improve the runnability of automobile.
Description
Technical field
The present invention relates to the fuel delivery technical field of automobile more particularly to a kind of fuel oil confessions of engine for automobile
To in system, the vehicle fuel pump control system of FPC Fuel Pump Controller can be monitored with CAN signal.
Background technology
The main task of the fuel feed system of automobile is to ensure that the various transport condition supply engines in automobile are enough
Fuel, but as discharge and energy consumption limitation are increasingly strict, original oil supply system cannot gradually meet Hyundai Motor hair
In the demand of exhibition, particularly high pressure fuel pump, if not using on-demand oil supply system, the property such as noise, motor vehicle exhaust emission pollution
Energy index cannot meet the requirement of national standard, and there are the following problems for the fuel oil supply system that automobile generally uses at present：
1st, fuel oil flows back to fuel tank by oil pump force feed to engine, remaining fuel by pressure regulator.Such fuel oil supplies
To system since the temperature height of return fuel causes the fuel temperature in fuel tank to rise, generate steam and be difficult to meet discharge vaporization
Laws and regulations requirement.
2nd, fuel pump module is in fuel tank, and by necessary fuel oil force feed to engine, remaining fuel is adjusted by pressure
Device returns to fuel tank, inhibits the rising of fuel temperature, reduces the possibility for generating steam.But vehicle once powers on, oil pump
Continuous firing is begun to, therefore, such feed system can not still solve oil pump pump oil, then the energy dissipation problem of oil extraction.
3rd, due to gradually adopting high pressure fuel pump technology in recent years, high-pressure pump motor speed is higher, noise also with increase, because
This cannot meet the requirement of national standard.
Therefore, the automobile fuel pump of the prior art also has the place promoted.
Invention content
In view of the foregoing drawbacks, the object of the present invention is to provide a kind of fuel oil supply system of the engine for automobile, energy
It is enough to carry out fuel delivery according to engine combustion demand, realize the on-demand fuel feeding of intelligence of the engine of automobile, and energy saving, ring
It protects, safe and pollution-free, low noise fuel oil apparatus for controlling pump, and the automobile of FPC Fuel Pump Controller can be monitored with CAN signal
Fuel pump, the technical issues of to solve the prior art.
To achieve the above object, present invention employs following technical solutions：
A kind of vehicle fuel pump control system monitored with CAN signal, for the fuel oil supply system of the engine of automobile,
The control system includes detection unit, control unit of engine, oil pump control unit and monitoring computer, the detection unit
The control unit of engine is electrically connected in a manner of CAN communication；The control unit of engine is electrically connected in a manner of CAN communication
Connect the oil pump control unit；The monitoring computer is electrically connected the oil pump control unit in a manner of CAN communication；Wherein,
The oil pump control unit be a controller, the controller include a housing and mounted on the housing a circuit board,
Several contact pins and a heat sink, several described contact pins, which are inserted into, connects the circuit board, the circuit board and the heat sink
Connection, the circuit board include a microcontroller and a PWM interface circuits.
According to the vehicle fuel pump control system monitored described in the embodiment of the present invention with CAN signal, the microcontroller
CANH feet and CANL feet are connected by CAN circuit with MCU-CANH feet, the MCU-CANL feet of monitoring computer with SPLIT feet, institute
It states CAN circuit and includes diode D100, capacitance C100, capacitance C101, capacitance C102, resistance R100, resistance R101 and wave filter
L100, connection relation therein are：The CANH feet sequentially connect the first end of the diode D100, capacitance C101 first
End, 1 foot of the first end of resistance R101, wave filter L100, wave filter L100 2 feet after, connect MCU-CANH feet；The CANL
Foot sequentially connects the first end of the diode D100, the first end of capacitance C100, the first end of resistance R100, wave filter L100
4 feet, wave filter L100 3 feet after, connect MCU-CANL feet；The second end connection GND of the diode D100；The capacitance
The second end connection GND of C101；The second end of the resistance R101 connects the first of the SPLIT feet and capacitance C102 respectively
End；The second end connection GND of the diode D100；The second end connection GND of the capacitance C100；The of the resistance R100
Two ends connect the SPLIT feet and the first end of capacitance C102 respectively；The second end connection GND of the capacitance C102.
According to the vehicle fuel pump control system monitored with CAN signal described in the embodiment of the present invention, the circuit board is also
Including a motor drive module, an overcurrent protection module, an overvoltage protective module, an Anti reverse module and a hardware watchdog mould
Block, the motor drive module, overcurrent protection module, overvoltage protective module, Anti reverse module and hardware watchdog module difference
It is electrically connected with the microcontroller；The motor drive module is electrically connected Oil pump electrical machinery；The Anti reverse module is electrically connected
Automobile power source.
The purpose of the application is to be subject to reformed AHP on the basis of original technology.For this purpose, the application proposes a kind of use
The automobile fuel pump controller of CAN signal control can realize the on-demand fuel feeding of automobile engine, reduce automobile fuel consumption, reduce oil
The noise of pump, and safety and environmental protection is pollution-free, meanwhile, the work information acquired with CAN signal monitoring FPC Fuel Pump Controller.
As a result of above technical solution so that the present invention compared with the prior art, has the following advantages that and accumulates
Pole effect：
Firstth, the fuel pump of the application can realize the on-demand fuel feeding of the intelligence of the engine of automobile；
Secondth, the fuel pump of the application have overcurrent, overvoltage protection, can by Engine ECU requirement it is bi-directionally sent drive with
Fault message；
Third, safety, reduces noise at the fuel pump energy-saving and environmental protection of the application, improves the runnability of automobile；
4th, the fuel pump of the application with CAN signal monitor FPC Fuel Pump Controller, when reality monitoring duty.
Certainly, implement any one specific embodiment of the content of present invention, the skill might not simultaneously with all of the above
Art effect.
Description of the drawings
Fig. 1 is the controller shape connection diagram of the application；
Fig. 2 is the interface circuit connection diagram controlled with CAN signal of the application；
Fig. 3 is the application controller module connection diagram；
Fig. 4 is the application CAN circuit connection figure.
Specific embodiment
Several preferred embodiments of the present invention are described in detail, but the present invention is not restricted to below in conjunction with attached drawing
These embodiments.The present invention covers any replacement, modification, equivalent method and side made in the spirit and scope of the present invention
Case.In order to which the public is made to have thorough understanding to the present invention, it is described in detail in present invention below preferred embodiment specific thin
Section, and description without these details can also understand the present invention completely for a person skilled in the art.In addition, in order to avoid
To the present invention essence cause it is unnecessary obscure, be not described in detail well-known method, process, flow, element etc..
A kind of vehicle fuel pump control system monitored with CAN signal, for the fuel oil supply system of the engine of automobile,
Automobile fuel pump includes ring flange, stent, petroleum pipeline and Oil pump electrical machinery, additionally includes a controller, the main work(of controller
There are two energy, and first is two-way detection, for detecting automotive engine control unit (Electronic Control Unit electricity
Sub-control unit, abbreviation ECU, also known as car running computer, vehicle-mounted computer), it is sent out according to engine current fuel pressure demand
Oil pump signal, while FPC Fuel Pump Controller fault message can be sent into Engine ECU, therefore with bidirectional communication function；Second
It is Oil pump electrical machinery control, the fuel demand signal that motor drive module is sent out according to Engine ECU, by FPC Fuel Pump Controller
After microcontroller is modulated processing to signal, export to motor drive module, motor drive module drive control Oil pump electrical machinery increases
Speed is slowed down, so as to the oil pressure that fuel pump is controlled to export, so as to reach the function of the on-demand fuel feeding of automobile engine.
In addition, as shown in Figure 1, the control system includes detection unit 10, control unit of engine 20, oil pump control list
Member 30 and monitoring computer 40, the detection unit 10 are electrically connected the control unit of engine 20 in a manner of CAN communication；Institute
It states control unit of engine 20 and the oil pump control unit 30 is electrically connected in a manner of CAN communication；It is described monitoring computer 40 with
CAN communication mode is electrically connected the oil pump control unit 30.Detection unit 10 detects the fortune of automobile using CAN communication mode
Row situation is with generating run status signals, for example, the operating statuses such as the acceleration of automobile, deceleration, the driving intention of driver.And
And detection unit 10 can be sensor, for each moment physical signal for measuring automobile and engine and by each moment
Physical signal be converted into corresponding electric signal for control unit of engine 20 analysis calculate motor instant oil spout demand
The device of amount can include a variety of different types and different model.Control unit of engine 20 is fired according to needed for present engine
Oil mass generation fuel demand control signal；Oil pump control unit 30 controls signal come control oil pump motor according to fuel demand, from
And make oil pump on demand to engine oil；Monitoring computer 40 monitors oil pump control unit 30 using CAN communication mode.
As shown in Figure 1, between control unit of engine 20 and detection unit 10 and oil pump control unit 30 and monitoring count
It is connected between calculation machine 40 by CAN lines, therefore CAN communication is carried out between detection unit 10 and control unit of engine 20, is sent out
CAN communication is carried out between motivation control unit 20 and the oil pump control unit 30.I.e. oil pump control unit 30 passes through CAN network
It is communicated with control unit of engine 20, obtains demand information of the engine to fuel in real time, oil pump control unit 30 passes through
The rotating speed of control oil pump motor realizes on-demand fuel feeding.
In addition, the oil pump control unit 30 is a controller, the structure of controller is said below, is please referred to Fig.2, institute
It states controller and includes housing 31 and the circuit board 32, several contact pins 33 and heat sink 34 mounted on the housing 31, it is described
Several contact pins 33, which are inserted into, connects the circuit board 32, and the circuit board 32 and the heat sink 34 are connected, please referred to Fig.3, institute
It states circuit board 32 and ECU is connected by conducting wire, the circuit board 32 includes a microcontroller 321 and a PWM interface circuits 322.
In order to meet the needs to FPC Fuel Pump Controller monitoring operation, accessed in FPC Fuel Pump Controller microcontroller 321
CAN communication interface, please refers to Fig.3 and Fig. 4, can by monitoring software, when reality monitoring duty.As shown in the figure, the monolithic
The CANH feet and CANL feet of machine 321 by CAN circuit and monitoring computer 40 monitor MCU-CANH feet, MCU-CANL feet and
SPLIT feet connect, and the CAN circuit includes diode D100, capacitance C100, capacitance C101, capacitance C102, resistance R100, electricity
R101 and wave filter L100 is hindered, wherein, L100 is a common-mode filter, filters the clutter letter sent out from microcontroller 321
Number；The work for being a RC filter network, playing a smooth signal or voltage in circuit of R100, R101 and C102 composition
With；C100, C101 are filter capacitors, it is therefore an objective to remove some spikes or burr generated in circuit；D100 is an amplitude limit two
Pole pipe and the effect for protecting circuit, will not cause voltage is excessive to cause irreversible lesion to circuit.
As shown in figure 4, connection relation therein is：The CANH feet sequentially connect the diode D100 first end,
The first end of capacitance C101, the first end of resistance R101,1 foot of wave filter L100, wave filter L100 2 feet after, connect MCU-
CANH feet；The CANL feet sequentially connect the first end of the diode D100, the first end of capacitance C100, resistance R100
One end, 4 feet of wave filter L100, wave filter L100 3 feet after, connect MCU-CANL feet；The second end of the diode D100
Connect GND；The second end connection GND of the capacitance C101；The second end of the resistance R101 connect respectively the SPLIT feet and
The first end of capacitance C102；The second end connection GND of the diode D100；The second end connection GND of the capacitance C100；Institute
The second end for stating resistance R100 connects the SPLIT feet and the first end of capacitance C102 respectively；The second end of the capacitance C102
Connect GND.
In order to ensure that module safety is run, protection module is provided in FPC Fuel Pump Controller, as shown in figure 3, the circuit
Plate 32 further includes a motor drive module 323, an overcurrent protection module 324, an overvoltage protective module 325, an Anti reverse module
326 and a hardware watchdog module 327, the motor drive module 323, overcurrent protection module 324, overvoltage protective module 325,
Anti reverse module 326 and hardware watchdog module 327 are electrically connected respectively with the microcontroller 321；The motor drive module
323 are electrically connected Oil pump electrical machinery 328；The Anti reverse module 326 is electrically connected power supply.
In conclusion the automobile fuel pump controller proposed by the present invention that is controlled with CAN signal is a kind of in real time according to starting
Machine demand carries out fuel delivery, realizes the on-demand fuel feeding of automobile, while the present invention employs on the communication modes of each unit
CAN communication, improves Oil pump electrical machinery efficiency, reduces energy dissipation of the pump oil to oil return, and noiseless, long lifespan, it is pollution-free,
Safety and environmental protection.
In conclusion as a result of above technical solution so that the present invention compared with the prior art, has following
Advantage and good effect：
Firstth, the fuel pump of the application can realize the on-demand fuel feeding of the intelligence of the engine of automobile；
Secondth, the fuel pump of the application have overcurrent, overvoltage protection, can by Engine ECU requirement it is bi-directionally sent drive with
Fault message；
Third, safety, reduces noise at the fuel pump energy-saving and environmental protection of the application, improves the runnability of automobile；
4th, the fuel pump of the application with CAN signal monitor FPC Fuel Pump Controller, when reality monitoring duty.
Invention preferred embodiment is only intended to help to illustrate the present invention.There is no all thin of detailed descriptionthe for preferred embodiment
Section, does not limit the invention to the specific embodiments described.Obviously, according to the content of this specification, many repair can be made
Change and change.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the principle of the present invention and reality
Using so as to which skilled artisan be enable to utilize the present invention well.The present invention is only by claims and its entirely
The limitation of portion's range and equivalent.Disclosed above is only presently preferred embodiments of the present invention, but is not used for limiting itself,
Any those skilled in the art are in the case of without prejudice to spiritual connotation of the present invention, the equivalent change done and change,
It should all be within the scope of the present invention.
Claims (3)
1. a kind of vehicle fuel pump control system monitored with CAN signal, for the fuel oil supply system of the engine of automobile,
It is characterized in that, the control system includes detection unit, control unit of engine, oil pump control unit and monitoring computer, institute
It states detection unit and the control unit of engine is electrically connected in a manner of CAN communication；The control unit of engine is with CAN communication
Mode is electrically connected the oil pump control unit；The monitoring computer is electrically connected the oil pump control in a manner of CAN communication
Unit；Wherein, the oil pump control unit is a controller, and the controller includes a housing and mounted on the housing
A circuit board, several contact pins and a heat sink, described several contact pins, which are inserted into, connects the circuit board, the circuit board and
The heat sink connection, the circuit board include a microcontroller and a PWM interface circuits.
2. the vehicle fuel pump control system monitored as described in claim 1 with CAN signal, which is characterized in that the monolithic
The CANH feet and CANL feet of machine are connected by MCU-CANH feet, MCU-CANL feet and the SPLIT feet of CAN circuit and monitoring computer
It connects, the CAN circuit includes diode D100, capacitance C100, capacitance C101, capacitance C102, resistance R100, resistance R101 and filter
Wave device L100, connection relation therein are：
The CANH feet sequentially connect the first end of the diode D100, the first end of capacitance C101, resistance R101 first
End, 1 foot of wave filter L100, wave filter L100 2 feet after, connect MCU-CANH feet；
The CANL feet sequentially connect the first end of the diode D100, the first end of capacitance C100, resistance R100 first
End, 4 feet of wave filter L100, wave filter L100 3 feet after, connect MCU-CANL feet；
The second end connection GND of the diode D100；
The second end connection GND of the capacitance C101；
The second end of the resistance R101 connects the SPLIT feet and the first end of capacitance C102 respectively；
The second end connection GND of the diode D100；
The second end connection GND of the capacitance C100；
The second end of the resistance R100 connects the SPLIT feet and the first end of capacitance C102 respectively；
The second end connection GND of the capacitance C102.
3. the vehicle fuel pump control system monitored as claimed in claim 2 with CAN signal, which is characterized in that the circuit
Plate further includes a motor drive module, an overcurrent protection module, an overvoltage protective module, an Anti reverse module and a hardware and guards the gate
Dog module, the motor drive module, overcurrent protection module, overvoltage protective module, Anti reverse module and hardware watchdog module
It is electrically connected respectively with the microcontroller；The motor drive module is electrically connected Oil pump electrical machinery；The Anti reverse module is electrical
Connect automobile power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466065.5A CN108194214A (en) | 2017-12-28 | 2017-12-28 | The vehicle fuel pump control system monitored with CAN signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466065.5A CN108194214A (en) | 2017-12-28 | 2017-12-28 | The vehicle fuel pump control system monitored with CAN signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194214A true CN108194214A (en) | 2018-06-22 |
Family
ID=62585993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466065.5A Pending CN108194214A (en) | 2017-12-28 | 2017-12-28 | The vehicle fuel pump control system monitored with CAN signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194214A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560716A (en) * | 2013-11-15 | 2014-02-05 | 科博达技术有限公司 | Auxiliary fuel pump electric control system and method for achieving soft starting of system |
| CN106555722A (en) * | 2017-01-04 | 2017-04-05 | 北京长安汽车工程技术研究有限责任公司 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
| US20170167426A1 (en) * | 2015-12-11 | 2017-06-15 | Hyundai Motor Company | Method and system for controlling motor of fuel pump |
| CN207701231U (en) * | 2017-12-28 | 2018-08-07 | 宁波洛卡特汽车零部件有限公司 | The vehicle fuel pump control system monitored with CAN signal |
-
2017
- 2017-12-28 CN CN201711466065.5A patent/CN108194214A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560716A (en) * | 2013-11-15 | 2014-02-05 | 科博达技术有限公司 | Auxiliary fuel pump electric control system and method for achieving soft starting of system |
| US20170167426A1 (en) * | 2015-12-11 | 2017-06-15 | Hyundai Motor Company | Method and system for controlling motor of fuel pump |
| CN106555722A (en) * | 2017-01-04 | 2017-04-05 | 北京长安汽车工程技术研究有限责任公司 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
| CN207701231U (en) * | 2017-12-28 | 2018-08-07 | 宁波洛卡特汽车零部件有限公司 | The vehicle fuel pump control system monitored with CAN signal |
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