CN106224108A - Engine electric spray executor's self checking method and system - Google Patents
Engine electric spray executor's self checking method and system Download PDFInfo
- Publication number
- CN106224108A CN106224108A CN201610756128.XA CN201610756128A CN106224108A CN 106224108 A CN106224108 A CN 106224108A CN 201610756128 A CN201610756128 A CN 201610756128A CN 106224108 A CN106224108 A CN 106224108A
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- CN
- China
- Prior art keywords
- executor
- self
- electric spray
- engine electric
- checking method
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- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/228—Warning displays
Abstract
The invention discloses a kind of engine electric spray executor's self checking method and system, wherein method comprises the following steps: a. sends self-test signal to the executor of the electronic fuel injection system；B. judge whether executor exists fault according to the feedback signal of described executor；C. testing result is shown, wherein system includes engine electric spray executor, self-test controller and display module, the method and system is used can the most effectively to identify the fault of electric injection system executor, and failure cause is shown, guarantee that the user very first time grasps the duty of car load electric injection system, it is ensured that the safety of traveling.
Description
Technical field
The present invention relates to the self checking method of electric injection system, specifically a kind of engine electric spray executor's self checking method and be
System.
Background technology
Electronic fuel injection system, also known as electric injection system, is the novel fuel feed system replacing gasoline engine carburetor, electricity
The basic function of sub-fuel injection system is to control the distributive value of electromotor according to the requirement of the various operating mode of electromotor, to realize sky
The Optimal Control of combustion ratio, therefore, the reliability strong influence of electronic fuel injection system work the dynamic property of vehicle, fuel oil
Economy and emission level, for ensureing the reliably working of electronic fuel system, existing motor vehicles is after powered up, it will usually to electricity
The sensor of sub-fuel injection system carries out self-inspection, i.e. to the air inlet pressure sensor in electronic fuel injection system, air inlet temperature
Degree sensor, oxygen sensor and TPS carry out self-inspection, and each executor are not carried out self-inspection, therefore, work as electricity
When the executor of spray system is broken down, it cannot be identified by existing vehicle self-checking system, causes the electromotor cannot normal work
Make so that it is dynamic property and economy are substantially reduced, and even affect traffic safety.
Accordingly, it would be desirable to a kind of engine electric spray that the executor of the electronic fuel injection system can be carried out self-inspection
Executor's self checking method, utilizes the method can the most effectively identify the fault of electric injection system executor, and failure cause is entered
Row display.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that one can be to Motronic control maps
The executor of fuel injection system carries out engine electric spray executor's self checking method of self-inspection, utilizes the method can be the most effective
Identify the fault of electric injection system executor, and failure cause is shown.
Engine electric spray executor's self checking method of the present invention, comprises the following steps: a. is to electronic fuel injection
The executor of system sends self-test signal；B. judge whether executor exists fault according to the feedback signal of described executor；c.
Testing result being shown, the present invention can be by the selftest module in the existing electronic controller of electromotor (ECU) or profit
Send self-test signal with independent self-test controller to executor and judge whether executor exists fault according to feedback signal, and
Will determine that result shows on the display such as instrumental panel, the present invention can the most effectively identify electric injection system executor's
Fault, and failure cause is shown, it is ensured that the user very first time grasps the duty of car load electric injection system, it is ensured that OK
The safety sailed；
Further, described executor is controlled end and loads setting voltage as self-test signal and at the control end of executor
And forming measure loop between feedback end, the magnitude of voltage that executor controls end loading should be less than controlling normally voltage, it is ensured that
It is detected on the premise of not carrying out any action by executor, and measure loop can be formed at electronic controller and executor
Between, or individually between detection controller and executor, the output end signal of electronic controller or detection controller connects
Controlling end in executor and detect signal for sending to this control end, the input end signal of electronic controller or detection controller is even
It is connected to executor's feedback end feedback signal for receiving actuator；
Further, by the size of current of measure loop electric current as described feedback signal with judge executor whether therefore
Barrier, executor's resistance value under normal operating conditions system, in a certain fixed range, controls end executor and adds with feedback end
After carrying setting voltage, the current value in measure loop also should be in fixed range, therefore, if the size of current in measure loop is not
The most i.e. can determine whether that this executor breaks down；
Further, send self-test signal by engine electronic control to described executor, and receiving actuator is anti-
Feedback signal, meanwhile, utilizes electronic controller (ECU) to judge whether executor breaks down according to feedback signal；
Further, when the size of current of measure loop exceedes upper limit current, and now the impedance of executor is too small, then judge to hold
Row device is short-circuited fault；When the size of current of measure loop is less than lower current, and now the impedance of executor is excessive, then judge
There is open circuit fault in executor；
Further, described executor is fuel injector, ignition coil, oil pump control relay and/or IAC, and often
It is respectively formed corresponding measure loop between control end and the feedback end of individual executor, utilizes each independent measure loop to accordingly
Executor detect, improve detection precision；
Further, after electronic controller powers on, sending self-test signal from executor described in trend, car load is opened key and is opened
Guan Shi, electronic controller (ECU) sends self-test signal to each electric injection system executor, and by the feedback acknowledgment of each executor, it is
No there is fault, therefore, the self-inspection to electric injection system executor can be completed before car load starts, it is ensured that the user very first time slaps
Hold car load electric injection system state.
The invention also discloses a kind of engine electric spray self-checking system, including engine electric spray executor, self-test controller
And display module；Described self-test controller is for sending self-test signal to described EFI executor and receiving the anti-of EFI executor
Feedback signal, described self-test controller judges EFI executor whether fault according to feedback signal and will determine that result sends to the most described
Display module, described judged result is shown by described display module, and the present invention can send self-inspection by self-test controller
According to feedback signal, signal also judges whether executor exists fault, and will determine that result shows on the display such as instrumental panel
Showing, the present invention can the most effectively identify the fault of electric injection system executor, and failure cause is shown, it is ensured that uses
Person's very first time grasps the duty of car load electric injection system, it is ensured that the safety of traveling.
Further, described self-test controller is engine electronic control, meanwhile, utilizes electronic controller (ECU) basis
Feedback signal judges whether executor breaks down, and to expand the operation strategies of engine electronic control, thus simplifies whole
The control system of electromotor.
The invention has the beneficial effects as follows: engine electric spray executor's self checking method of the present invention and system, can be by starting
Selftest module in the existing electronic controller of machine (ECU) or utilize independent self-test controller to send self-inspection letter to executor
Number and judge whether executor exists fault according to feedback signal, and testing result is shown on the display modules such as instrumental panel
Showing, the self checking method of the employing present invention and system can the most effectively identify the fault of electric injection system executor, and by fault
Reason shows, it is ensured that the user very first time grasps the duty of car load electric injection system, it is ensured that the safety of traveling.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the logic control chart of engine electric spray executor's self checking method of the present invention；
Fig. 2 is the connection diagram of engine electric spray executor's self-checking system of the present invention.
Detailed description of the invention
Fig. 1 is the logic control chart of engine electric spray executor's self checking method of the present invention；As shown in the figure: the present embodiment
Engine electric spray executor's self checking method, comprises the following steps: a. sends to the executor of the electronic fuel injection system
Self-test signal；B. judge whether executor exists fault according to the feedback signal of described executor；C. testing result is shown
Show, the present embodiment sends self-test signal by the selftest module in the existing electronic controller of electromotor (ECU) to executor
And judge whether executor exists fault according to feedback signal, and will determine that result shows on the display such as instrumental panel,
The self-checking system of the present embodiment can the most effectively identify the fault of electric injection system executor, and failure cause is shown
Show, it is ensured that the user very first time grasps the duty of car load electric injection system, it is ensured that the safety of traveling.
In the present embodiment, load setting voltage as self-test signal also between control end and the feedback end of described executor
Forming measure loop between control end and the feedback end of executor, the magnitude of voltage that executor controls end loading should be less than normally
Control voltage, it is ensured that it is detected on the premise of not carrying out any action by executor, the outfan of electronic controller
And being formed between control end and the feedback end of input and executor and control loop, the output end signal of electronic controller is connected to
Executor controls end and detects signal for sending to this control end, and the input end signal of electronic controller is connected to executor's feedback
End is for the feedback signal of receiving actuator.
In the present embodiment, by the size of current of measure loop electric current as described feedback signal whether to judge executor
Fault, executor's resistance value under normal operating conditions system, in a certain fixed range, controls end and feedback end executor
After loading setting voltage, the current value in measure loop also should be in fixed range, therefore, if the size of current in measure loop
The most i.e. can determine whether that this executor breaks down.
In the present embodiment, when the size of current of measure loop exceedes upper limit current, and now the impedance of executor is too small, then sentence
Determine executor to be short-circuited fault；When the size of current of measure loop is less than lower current, and now the impedance of executor is excessive, then
Predicated execution device generation open circuit fault.
In the present embodiment, send self-test signal, and receiving actuator by engine electronic control to described executor
Feedback signal, meanwhile, utilize electronic controller (ECU) to judge whether executor breaks down according to feedback signal.
In the present embodiment, described executor is fuel injector, ignition coil, oil pump control relay and/or IAC,
And it is respectively formed corresponding measure loop between control end and the feedback end of each executor, utilize each independent measure loop pair
Corresponding executor detects, and improves the precision of detection；
In the present embodiment, after electronic controller powers on, sending self-test signal from executor described in trend, key opened by car load
During spoon switch, electronic controller (ECU) sends self-test signal to each electric injection system executor, by the feedback acknowledgment of each executor
Whether it exists fault, therefore, can complete the self-inspection to electric injection system executor, it is ensured that during user the first before car load starts
Between grasp car load electric injection system state.
The invention also discloses a kind of engine electric spray self-checking system, including engine electric spray executor 3, self-test controller
With display module 1；Described self-test controller is for sending self-test signal to described EFI executor 3 and receiving EFI executor 3
Feedback signal, described self-test controller judges EFI executor 3 whether fault according to feedback signal and will determine that result sends
To described display module 1, described judged result is shown by described display module 1, and the present invention can pass through self-test controller
Send self-test signal and judge whether executor 3 exists fault according to feedback signal, and will determine that result shows at instrumental panel etc.
Showing on device, the present invention can the most effectively identify the fault of electric injection system executor 3, and failure cause is shown
Show, it is ensured that the user very first time grasps the duty of car load electric injection system, it is ensured that the safety of traveling；Described self-inspection controls
Device is engine electronic control 2, meanwhile, utilizes electronic controller 2 (ECU) to judge whether executor 3 sends out according to feedback signal
Raw fault, to expand the operation strategies of engine electronic control 2, thus simplifies the control system of whole electromotor.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (9)
1. engine electric spray executor's self checking method, it is characterised in that comprise the following steps:
A. self-test signal is sent to the executor of the electronic fuel injection system；
B. judge whether executor exists fault according to the feedback signal of described executor；
C. testing result is shown.
Engine electric spray executor's self checking method the most according to claim 1, it is characterised in that: in described step a, to institute
The end that controls stating executor loads setting voltage as self-test signal formation inspection between control end and the feedback end of executor
Survey time road.
Engine electric spray executor's self checking method the most according to claim 2, it is characterised in that: by described measure loop
The size of current of electric current as described feedback signal to judge executor's whether fault.
Engine electric spray executor's self checking method the most according to claim 2, it is characterised in that: by the electronics of electromotor
Controller loads described voltage to the control end of described executor.
Engine electric spray executor's self checking method the most according to claim 3, it is characterised in that: in described step b, work as inspection
The size of current on survey time road exceedes upper limit current, then Predicated execution device is short-circuited fault；When the size of current of measure loop is low
In lower current, then Predicated execution device generation open circuit fault.
Engine electric spray executor's self checking method the most according to claim 1, it is characterised in that: described executor is oil spout
Device, ignition coil, oil pump control relay and/or IAC.
Engine electric spray executor's self checking method the most according to claim 4, it is characterised in that: when electronic controller powers on
After, send self-test signal from executor described in trend.
8. one kind for realizing starting of engine electric spray executor's self checking method described in claim 1-7 any claim
Dynamo-electric spray self-checking system, it is characterised in that: include engine electric spray executor, self-test controller and display module；Described self-inspection
Controller is for sending self-test signal to described EFI executor and receiving the feedback signal of EFI executor, and described self-inspection controls
Device judges EFI executor whether fault according to feedback signal and will determine that result sends to described display module, and described judgement is tied
Fruit is shown by described display module.
Engine electric spray self-checking system the most according to claim 8, it is characterised in that: described self-test controller is electromotor
Electronic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756128.XA CN106224108A (en) | 2016-08-29 | 2016-08-29 | Engine electric spray executor's self checking method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756128.XA CN106224108A (en) | 2016-08-29 | 2016-08-29 | Engine electric spray executor's self checking method and system |
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| Publication Number | Publication Date |
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| CN106224108A true CN106224108A (en) | 2016-12-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756128.XA Pending CN106224108A (en) | 2016-08-29 | 2016-08-29 | Engine electric spray executor's self checking method and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782563A (en) * | 2017-10-18 | 2018-03-09 | 重庆市弘鼎圣科技有限公司 | Car fault auto-detecting system |
| CN110312916A (en) * | 2017-02-15 | 2019-10-08 | 舍弗勒技术股份两合公司 | The method for determining the sensor device of actuator position and operation sensor device in motor vehicle |
| CN111140390A (en) * | 2018-11-06 | 2020-05-12 | 长城汽车股份有限公司 | Control method and device for vehicle fuel system |
| CN111381577A (en) * | 2018-12-29 | 2020-07-07 | 北京宝沃汽车有限公司 | Method, device, controller and vehicle for diagnosing faults |
| CN116022161A (en) * | 2023-03-28 | 2023-04-28 | 小米汽车科技有限公司 | Vehicle power-on self-checking method and device, medium and vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080319699A1 (en) * | 2007-06-22 | 2008-12-25 | Perryman Louisa J | Detection of faults in an injector arrangement |
| CN101598073A (en) * | 2009-07-10 | 2009-12-09 | 奇瑞汽车股份有限公司 | A kind of collection of pressure signal of oil rail and monitoring method |
| CN102486131A (en) * | 2010-12-06 | 2012-06-06 | 联创汽车电子有限公司 | Driving diagnosis and protection circuit for fuel injector |
| CN102901621A (en) * | 2011-07-25 | 2013-01-30 | 罗伯特·博世有限公司 | Method and device for testing solenoid valves |
| CN104131906A (en) * | 2014-06-30 | 2014-11-05 | 潍柴动力股份有限公司 | Fault detection method and system for restrictor |
| CN104265477A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining whether air inlet pressure sensor of supercharged diesel engine is abnormal or not and diagnosing faults |
| CN104454186A (en) * | 2014-10-27 | 2015-03-25 | 奇瑞汽车股份有限公司 | Vehicle double-fuel system oil pump control method |
| JP2016031018A (en) * | 2014-07-25 | 2016-03-07 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| CN105569859A (en) * | 2015-12-14 | 2016-05-11 | 中国北方发动机研究所(天津) | High-speed electromagnetic valve drive method with boosting and fault diagnosing functions and circuit |
| JP2016148260A (en) * | 2015-02-10 | 2016-08-18 | トヨタ自動車株式会社 | vehicle |
| JP2016156299A (en) * | 2015-02-24 | 2016-09-01 | 株式会社デンソー | Failure diagnostic device of fuel injection system |
-
2016
- 2016-08-29 CN CN201610756128.XA patent/CN106224108A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080319699A1 (en) * | 2007-06-22 | 2008-12-25 | Perryman Louisa J | Detection of faults in an injector arrangement |
| CN101598073A (en) * | 2009-07-10 | 2009-12-09 | 奇瑞汽车股份有限公司 | A kind of collection of pressure signal of oil rail and monitoring method |
| CN102486131A (en) * | 2010-12-06 | 2012-06-06 | 联创汽车电子有限公司 | Driving diagnosis and protection circuit for fuel injector |
| CN102901621A (en) * | 2011-07-25 | 2013-01-30 | 罗伯特·博世有限公司 | Method and device for testing solenoid valves |
| CN104265477A (en) * | 2014-05-28 | 2015-01-07 | 北京理工大学 | Method for determining whether air inlet pressure sensor of supercharged diesel engine is abnormal or not and diagnosing faults |
| CN104131906A (en) * | 2014-06-30 | 2014-11-05 | 潍柴动力股份有限公司 | Fault detection method and system for restrictor |
| JP2016031018A (en) * | 2014-07-25 | 2016-03-07 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| CN104454186A (en) * | 2014-10-27 | 2015-03-25 | 奇瑞汽车股份有限公司 | Vehicle double-fuel system oil pump control method |
| JP2016148260A (en) * | 2015-02-10 | 2016-08-18 | トヨタ自動車株式会社 | vehicle |
| JP2016156299A (en) * | 2015-02-24 | 2016-09-01 | 株式会社デンソー | Failure diagnostic device of fuel injection system |
| CN105569859A (en) * | 2015-12-14 | 2016-05-11 | 中国北方发动机研究所(天津) | High-speed electromagnetic valve drive method with boosting and fault diagnosing functions and circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312916A (en) * | 2017-02-15 | 2019-10-08 | 舍弗勒技术股份两合公司 | The method for determining the sensor device of actuator position and operation sensor device in motor vehicle |
| CN107782563A (en) * | 2017-10-18 | 2018-03-09 | 重庆市弘鼎圣科技有限公司 | Car fault auto-detecting system |
| CN111140390A (en) * | 2018-11-06 | 2020-05-12 | 长城汽车股份有限公司 | Control method and device for vehicle fuel system |
| CN111381577A (en) * | 2018-12-29 | 2020-07-07 | 北京宝沃汽车有限公司 | Method, device, controller and vehicle for diagnosing faults |
| CN116022161A (en) * | 2023-03-28 | 2023-04-28 | 小米汽车科技有限公司 | Vehicle power-on self-checking method and device, medium and vehicle |
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Application publication date: 20161214 |