CN110374754A - System and vehicle are protected in fault detection - Google Patents
System and vehicle are protected in fault detection Download PDFInfo
- Publication number
- CN110374754A CN110374754A CN201910575560.2A CN201910575560A CN110374754A CN 110374754 A CN110374754 A CN 110374754A CN 201910575560 A CN201910575560 A CN 201910575560A CN 110374754 A CN110374754 A CN 110374754A
- Authority
- CN
- China
- Prior art keywords
- evrv
- pipe
- fault detection
- mentioned
- controller
- 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.)
- Pending
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to fault detection protection system and vehicles, it includes: controller that system is protected in fault detection, fault cues unit, differential pressure pickup, first connecting tube and the second connecting tube, first connecting tube one end is connected with differential pressure pickup and the other end is connected with one end of EVRV pipe, the other end of EVRV pipe is connected with the air inlet pipe of engine, second connecting tube one end is connected with differential pressure pickup and the other end is connected with air inlet pipe, differential pressure pickup is used to obtain the pressure difference signal value at EVRV pipe both ends and is sent to controller, controller is for pressure difference signal value to be compared with preset pressure threshold value, when pressure difference signal value is greater than preset pressure threshold value, determine EVRV blockage and generates fault-signal and be sent to fault cues unit.Above-mentioned fault detection protection system can monitor the aeration status of EVRV pipeline in real time, to timely protect engine.
Description
Technical field
The present invention relates to field of fault detection more particularly to a kind of fault detection protection system and vehicles.
Background technique
In practical applications, the engine of belt variable section turbocharger is to EVRV (Electronic Vacuum
Regulator Valve, EVR Electronic Vacuum Regulator valve) pipe easily be blocked, be easy to cause the turbocharger of engine
Boost pressure it is too low, cause to adjust out of control, in turn result in engine power deficiency and equipment shake, while air inlet is insufficient
It will also result in incomplete combustion and generate a large amount of carbon distributions, eventually cause post-processing frequent regeneration failure.
Summary of the invention
In consideration of it, the present invention provides a kind of fault detections to protect system, it is applied to EVRV and manages, it can be by comparing EVRV
The pressure difference at pipe both ends monitors the aeration status of EVRV pipeline in real time to realize, when EVRV pipe actually occurs blocking
Above-mentioned EVRV pipe failure can be prompted in time.
A kind of fault detection protection system, is applied to EVRV and manages, and above-mentioned fault detection protection system includes: controller, event
Hinder prompt unit, differential pressure pickup, the first connecting tube and the second connecting tube, above-mentioned first connecting tube one end and above-mentioned pressure difference sensing
Device is connected and the other end is connected with one end of above-mentioned EVRV pipe, the air inlet pipe phase of the other end and engine of above-mentioned EVRV pipe
Connection, above-mentioned second connecting tube one end is connected with above-mentioned differential pressure pickup and the other end is connected with above-mentioned air inlet pipe；
Above-mentioned differential pressure pickup, which is used to obtain the pressure difference signal value at above-mentioned EVRV pipe both ends and sends, supreme states controller；
Above controller is for above-mentioned pressure difference signal value to be compared with preset pressure threshold value, when above-mentioned pressure difference signal value
When greater than above-mentioned preset pressure threshold value, determine above-mentioned EVRV blockage and generate fault-signal to be sent to above-mentioned fault cues unit
So that above-mentioned fault cues unit prompts above-mentioned EVRV pipe failure.
In one embodiment, the interconnecting piece between above-mentioned second connecting tube and above-mentioned air inlet pipe is arranged in above-mentioned air inlet pipe
Straightway.
In one embodiment, the length of above-mentioned air inlet pipe straightway is greater than or equal to 10cm.
In one embodiment, above-mentioned fault cues unit includes alarm, when above-mentioned pressure difference signal value is greater than above-mentioned pre-
If when pressure threshold, above controller is also used to control above-mentioned alarm and carries out warning note.
In one embodiment, above controller is also used to when the trouble duration of above-mentioned EVRV pipe be more than first default
When time value, controlling above-mentioned engine reduces revolving speed.
In one embodiment, above controller is also used to when the trouble duration of above-mentioned EVRV pipe be more than second default
When time value, controls above-mentioned engine and shut down.
In one embodiment, above-mentioned fault cues unit includes display, when above-mentioned pressure difference signal value is no more than above-mentioned
When preset pressure threshold value, above controller determines that above-mentioned EVRV pipe is in normal condition and generates normal work signal and is sent to
Display is stated to prompt above-mentioned EVRV pipe normal.
In one embodiment, above-mentioned differential pressure pickup is fixed at the branch of above-mentioned engine in a manner of bolted
On frame.
In one embodiment, EP rubbers pipe or silicon rubber is respectively adopted in above-mentioned first connecting tube and above-mentioned second connecting tube
Sebific duct.
In addition, also providing a kind of vehicle, system is protected using above-mentioned fault detection.
System is protected in above-mentioned fault detection, is applied to EVRV and is managed, including controller, fault cues unit, differential pressure pickup,
First connecting tube and the second connecting tube, first connecting tube one end is connected with differential pressure pickup and one end of the other end and EVRV pipe
It is connected, the other end of EVRV pipe is connected with the air inlet pipe of engine, and second connecting tube one end is connected with differential pressure pickup
And the other end is connected with air inlet pipe, differential pressure pickup is used to obtain the pressure difference signal value at EVRV pipe both ends and is sent to control
Device.Controller is for pressure difference signal value to be compared with preset pressure threshold value, when pressure difference signal value is greater than preset pressure threshold value
When, determine EVRV blockage and generate fault-signal be sent to fault cues unit so that fault cues unit prompt EVRV pipe therefore
Barrier can monitor the aeration status of EVRV pipeline in real time to realize by comparing the pressure difference at EVRV pipe both ends, when
EVRV pipe can prompt above-mentioned EVRV pipe failure in time when actually occurring blocking, and then by artificial maintenance in time, avoid air inlet
Incomplete combustion caused by deficiency and the shortcomings that generate a large amount of carbon distributions and bring regeneration failure, while also avoiding other portions
The shake of part and device, to timely protect engine.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
It singly introduces, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to the present invention
The restriction of protection scope.In various figures, part is similarly comprised using similar number.
Fig. 1 is that the corresponding structural block diagram of system is protected in a kind of fault detection provided in one embodiment；
Fig. 2 protects the corresponding structural schematic diagram of system for fault detection a kind of in one embodiment.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, requirement is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
The scope of the present invention of protection, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, this field skill
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no the various embodiments of the disclosure are limited to spy disclosed herein
Determine the intention of embodiment, but the disclosure should be interpreted as in the spirit and scope for covering the various embodiments for falling into the disclosure
All adjustment, equivalent and/or optinal plan.
Hereinafter, term " includes ", " having " and its cognate that can be used in various embodiments of the present invention are only
It is intended to mean that special characteristic, number, step, operation, the combination of element, component or aforementioned item, and is understood not to first
Exclude the combined presence or increase by one of one or more other features, number, step, operation, element, component or aforementioned item
A or more feature, number, step, operation, element, component or aforementioned item combination a possibility that.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
Unless otherwise defined, otherwise all terms (including technical terms and scientific terms) used herein have and this
The identical meaning of the various normally understood meanings of embodiment one skilled in the art of invention.The term (such as exists
The term limited in the dictionary generally used) it is to be interpreted as that there is contain identical with situational meaning in the related technical field
Justice and Utopian meaning or meaning too formal will be interpreted as having, unless in various embodiments of the present invention
It is clearly defined.
In practical applications, engine often uses variable-area turbocharger at present.The core of the turbo charge system
The heart is the guide vane in adjustable vortex section.These guide vanes can the slow-speed of revolution, low capacity operating condition under close, to increase
The admission pressure of big engine.
Wherein, corresponding actuator is generally required for can be changed the control of the guide vane angle of boundary section turbocharger
Cooperated, controller changes variable boundary section turbocharging after obtaining real-time pressure signal, through control actuator
The angle of the guide vane of device, to realize the boost pressure regulation of variable boundary section turbocharger.
Wherein, since (Electronic Vacuum Regulator Valve, electronic vacuum are adjusted the EVRV of engine
Device valve) often thinner (internal diameter is generally 8mm) is managed, and length is longer, is easily flattened by weight or bending results in blockage；
In addition, working under EVRV pipe range time hot environment, long-time aging will also result in gas leakage or blocking；If at this point, EVRV is managed
There is sinking radian, vapor will also become water slug gas passage, and may also can especially freeze and result in blockage in winter.
Fig. 1 is that the corresponding structural block diagram of system 100, failure inspection are protected in a kind of fault detection provided in one embodiment
Surveying protection system 100 includes: controller 110, fault cues unit 120, differential pressure pickup 130, the first connecting tube 140 and second
Connecting tube 150, above-mentioned first connecting tube, 140 one end is connected with above-mentioned differential pressure pickup 130 and the other end and EVRV pipe 10
One end is connected, and the other end of above-mentioned EVRV pipe 10 is connected with the air inlet pipe 20 of above-mentioned engine, above-mentioned second connecting tube 150
One end is connected with above-mentioned differential pressure pickup 130 and the other end is connected with above-mentioned air inlet pipe 20.
Wherein, above-mentioned differential pressure pickup 130 is used to obtain the pressure difference signal value at above-mentioned 10 both ends of EVRV pipe and sends supreme
Controller 10 is stated, above controller 10 is for above-mentioned pressure difference signal value to be compared with preset pressure threshold value, when above-mentioned pressure difference
When signal value is greater than above-mentioned preset pressure threshold value, determines that above-mentioned EVRV pipe 10 blocks and generates fault-signal and be sent to above-mentioned failure
Prompt unit 120 is so that above-mentioned fault cues unit 120 prompts above-mentioned 10 failure of EVRV pipe.
Wherein, illustrate above content to become apparent from, might as well be here above-mentioned failure in one embodiment referring to Fig. 2, Fig. 2
The corresponding structural schematic diagram of protection system 100 is detected, EVRV pipe 10, air inlet pipe 20, variable boundary section turbocharger are contained
30, the structural schematic diagram of the environment components such as actuator 40, EVRV valve 50 and engine 60.
Wherein, one end of the air inlet side of EVRV pipe 10 is connected with air inlet pipe 20, and the other end of EVRV pipe 10 is then connected to
EVRV valve 50, EVRV valve 50 are further connected with actuator 40, and actuator 40 is cut with controller 10 and variable boundary respectively
Face turbocharger 30 is connected, and variable boundary section turbocharger 30 is connected with engine 60.
Wherein, it can be changed the guide vane that adjustable vortex section is provided in boundary section turbocharger 30.
Wherein, when EVRV pipe 10 work normally when, the gas pressure value at 10 both ends of EVRV pipe be it is identical, all in negative pressure
State, this is because the air inlet pipe 20 of engine 60 is in air-suction state, since EVRV pipe 10 is connected to air inlet side, with air inlet pipe
20 is identical, it is clear that EVRV pipe 10 is also at negative pressure state at this time, thus the numerical value of differential pressure pickup 130 at this time is substantially zeroed.
At this point, controller 10, after obtaining the real-time pressure signal of EVRV pipe 10, being changed by control actuator 40 can
Become the angle of the guide vane of boundary section turbocharger 30, to realize the pressurization tune of variable boundary section turbocharger 30
Section, is further adjusted engine 60.
Wherein, when EVRV 10 failure of pipe, the gas pressure value at 10 both ends of EVRV pipe is different, differential pressure pickup 130
The gas pressure value in left side is greater than the gas pressure value on right side, this is because the air inlet pipe 20 of engine 60 is in air-suction state,
Since the pipeline that EVRV pipe 10 is connected to air inlet side is blocked, then normal barometric pressure state, pressure difference are on the left of differential pressure pickup 130
Negative pressure state is on the right side of sensor 130, therefore the gas pressure value in 130 left side of differential pressure pickup is greater than the gas pressure on right side
Value.
At this point, differential pressure pickup 130, which obtains the pressure difference signal value at above-mentioned 10 both ends of EVRV pipe and sends, supreme states controller
10, above-mentioned pressure difference signal value is compared by controller 10 with preset pressure threshold value, when above-mentioned pressure difference signal value is greater than above-mentioned pre-
If when pressure threshold, determine above-mentioned EVRV pipe 10 block and generate fault-signal be sent to above-mentioned fault cues unit 120 so that
Above-mentioned fault cues unit 120 prompts above-mentioned 10 failure of EVRV pipe.
System 100 is protected in above-mentioned fault detection, is applied to EVRV pipe 10, including controller 10, fault cues unit 120,
Differential pressure pickup 130, the first connecting tube 140 and the second connecting tube 150,140 one end of the first connecting tube and 130 phase of differential pressure pickup
It connects and the other end is connected with one end of EVRV pipe 10, the other end of EVRV pipe 10 is connected with the air inlet pipe 20 of engine 60
It connects, 150 one end of the second connecting tube is connected with differential pressure pickup 130 and the other end is connected with air inlet pipe 20, differential pressure pickup
130 for obtaining the pressure difference signal value at 10 both ends of EVRV pipe and being sent to controller 10.Controller 10 is used for pressure difference signal value
It is compared with preset pressure threshold value, when pressure difference signal value is greater than preset pressure threshold value, determines that EVRV pipe 10 is blocked and generated
Fault-signal be sent to fault cues unit 120 so that fault cues unit 120 prompt 10 failure of EVRV pipe, can be by comparing
The pressure difference at 10 both ends of EVRV pipe monitors the aeration status on 10 tunnel of EVRV pipe in real time to realize, when EVRV pipe 10 is practical
Above-mentioned 10 failure of EVRV pipe can be prompted when blocking in time, and then by artificial maintenance in time, avoids air inlet is insufficient from being made
The shortcomings that a large amount of carbon distributions and bring regeneration failure are generated at incomplete combustion, while also avoiding other components and device
Shake, to timely protect engine 60.
In one embodiment, the interconnecting piece between above-mentioned second connecting tube 150 and above-mentioned air inlet pipe 20 is arranged above-mentioned
20 straightway of air inlet pipe.
Wherein, the interconnecting piece between above-mentioned second connecting tube 150 and above-mentioned air inlet pipe 20 is arranged in above-mentioned air inlet pipe 20
Straightway is conducive to the pressure difference that differential pressure pickup 130 accurately obtains 10 both ends of EVRV pipe, is conducive to keep measurement result
Accuracy, so that the processing of above controller 10 is more accurate.
In one embodiment, the length of above-mentioned 20 straightway of air inlet pipe is greater than or equal to 10cm.
Wherein, the length of above-mentioned 20 straightway of air inlet pipe is greater than or equal to 10cm, this is because straightway is apart from too short,
Such as shorter than 10cm, still the measurement result of differential pressure pickup 130 may be impacted.
Certainly, the length of specific 20 straightway of air inlet pipe can be specifically arranged according to actual needs.
In one embodiment, above-mentioned fault cues unit 120 includes alarm, when above-mentioned pressure difference signal value is greater than above-mentioned
When preset pressure threshold value, above controller 10 is also used to control above-mentioned alarm and carries out warning note.
Wherein, by the way that alarm is arranged, user is enabled to obtain the stopping state of EVRV pipe 10 in time, thus to this
EVRV pipe 10 carries out timely maintenance protection, incomplete combustion caused by avoiding EVRV pipe 10 blocking air inlet being insufficient for a long time and
The shortcomings that generating a large amount of carbon distributions and bring regeneration failure, while also avoiding the shake of other components and device.
In one embodiment, above controller 10 is also used to when the trouble duration of above-mentioned EVRV pipe 10 be more than first
When preset time value, above controller 10, which is also used to control above-mentioned engine, reduces revolving speed.
Wherein, the trouble duration of EVRV pipe 10 can also be judged, controller 10 is also used to when pre- more than first
If when time value, controlling above-mentioned engine 60 reduces revolving speed, to mitigate the influence that EVRV pipe 10 blocks at this time to a certain extent,
Occur in the case of to prevent differential pressure pickup 130 excessively sensitive for the real-time measurement values at 10 both ends of EVRV pipe, avoids controller
10 excessively frequent processing controls, the control resource of excessive occupancy controller 10 improve the control efficiency of controller 10.
In one embodiment, above controller 10 is also used to when the trouble duration of above-mentioned EVRV pipe 10 be more than second
When preset time value, controls above-mentioned engine 60 and shut down.
Wherein, when the trouble duration of above-mentioned EVRV pipe 10 is more than the second preset time value, show EVRV pipe 10
Stopping state is more serious, only is difficult to offset EVRV pipe 10 by the revolving speed of simple reduction engine 60 at this time and blocks for a long time
Caused by adverse effect, thus controller 10 can further control above-mentioned engine 60 and shut down at this time, to timely protect
Engine 60.
In one embodiment, above-mentioned fault cues unit 120 includes display, when above-mentioned pressure difference signal value is no more than upper
When stating preset pressure threshold value, above controller 10 determines that above-mentioned EVRV pipe 10 is in normal condition and generates and works normally signal hair
It send to aforementioned display device to prompt above-mentioned EVRV pipe 10 normal.
Wherein, by the way that display is arranged in fault cues unit 120, be conducive to user or operator rapidly obtains
The fault cues information and normal operating conditions information of EVRV pipe.
In one embodiment, above-mentioned differential pressure pickup 130 is fixed at above-mentioned engine in a manner of bolted
On 60 brackets.
Wherein, differential pressure pickup 130 is fixed on above-mentioned engine support, is conducive to keep its stability, to make to press
Gap sensor 130 can be more accurate the corresponding pressure difference measurement result of acquisition.
Wherein, the set-up mode of differential pressure pickup 130 is not limited to this, can stablize fixed and be accurately measured as
It is quasi-.
In one embodiment, EP rubbers pipe is respectively adopted in above-mentioned first connecting tube 140 and above-mentioned second connecting tube 150
Or silicone rubber tube.
In addition, also providing a kind of vehicle, system is protected using above-mentioned fault detection.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and structure in attached drawing
Figure shows the system frame in the cards of the device of multiple embodiments according to the present invention, method and computer program product
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, a part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.It should also be noted that function marked in the box can also be to be different from the implementation as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that in structure chart and/or flow chart
The combination of each box and the box in structure chart and/or flow chart, can function or movement as defined in executing it is dedicated
Hardware based system realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention can integrate one independence of formation together
Part, be also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be intelligence
Can mobile phone, personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic or disk etc. be various to can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. system is protected in a kind of fault detection, it is applied to EVRV and manages, which is characterized in that the fault detection protection system includes:
Controller, fault cues unit, differential pressure pickup, the first connecting tube and the second connecting tube, first connecting tube one end and institute
State that differential pressure pickup is connected and the other end is connected with one end of the EVRV pipe, the other end and engine of the EVRV pipe
Air inlet pipe be connected, second connecting tube one end is connected with the differential pressure pickup and the other end and the air inlet pipe phase
Connection；
The differential pressure pickup is used to obtain the pressure difference signal value at EVRV pipe both ends and is sent to the controller；
The controller is for the pressure difference signal value to be compared with preset pressure threshold value, when the pressure difference signal value is greater than
When the preset pressure threshold value, determine the EVRV blockage and generate fault-signal be sent to the fault cues unit so that
The fault cues unit prompts the EVRV pipe failure.
2. system is protected in fault detection according to claim 1, which is characterized in that second connecting tube and the air inlet
Interconnecting piece between pipe is arranged in the air inlet pipe straightway.
3. system is protected in fault detection according to claim 2, which is characterized in that the length of the air inlet pipe straightway is big
In or equal to 10cm.
4. system is protected in fault detection according to claim 1, which is characterized in that the fault cues unit includes alarm
Device, when the pressure difference signal value is greater than the preset pressure threshold value, the controller is also used to control the alarm and carries out
Warning note.
5. system is protected in fault detection according to claim 1, which is characterized in that the controller is also used to when described
When the trouble duration of EVRV pipe is more than the first preset time value, controlling the engine reduces revolving speed.
6. system is protected in fault detection according to claim 5, which is characterized in that the controller is also used to when described
When the trouble duration of EVRV pipe is more than the second preset time value, controls the engine and shut down.
7. system is protected in fault detection according to claim 1, which is characterized in that the fault cues unit includes display
Device, when the pressure difference signal value is no more than the preset pressure threshold value, the controller determines the EVRV pipe in normal
State simultaneously generates and works normally signal and be sent to the display to prompt EVRV pipe normal.
8. system is protected in fault detection according to claim 1, which is characterized in that the differential pressure pickup is to be bolted
Mode be fixed on the bracket of the engine.
9. system is protected in fault detection according to claim 1, which is characterized in that first connecting tube and described second
EP rubbers pipe or silicone rubber tube is respectively adopted in connecting tube.
10. a kind of vehicle protects system using fault detection described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575560.2A CN110374754A (en) | 2019-06-28 | 2019-06-28 | System and vehicle are protected in fault detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910575560.2A CN110374754A (en) | 2019-06-28 | 2019-06-28 | System and vehicle are protected in fault detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110374754A true CN110374754A (en) | 2019-10-25 |
Family
ID=68251126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910575560.2A Pending CN110374754A (en) | 2019-06-28 | 2019-06-28 | System and vehicle are protected in fault detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374754A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872996A (en) * | 2019-12-25 | 2020-03-10 | 潍柴动力股份有限公司 | Icing detection method and device for pressure type intake flow sensor |
| CN112627956A (en) * | 2020-12-14 | 2021-04-09 | 北汽福田汽车股份有限公司 | Differential pressure pipe cleaning system of vehicle and vehicle with same |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210483A (en) * | 1998-01-30 | 1999-08-03 | Toyota Motor Corp | Abnormality determining device for variable displacement type turbocharger |
| US20020059797A1 (en) * | 2000-03-31 | 2002-05-23 | Detroit Diesel Corporation | Method for measuring recirculated exhaust gas flow in a compression-ignition engine |
| CN1650109A (en) * | 2002-05-03 | 2005-08-03 | 费希尔控制国际公司 | Method and apparatus for performing diagnostics in a control loop of a control valve |
| CN101260851A (en) * | 2007-03-06 | 2008-09-10 | 通用汽车环球科技运作公司 | Method and apparatus for monitoring the restriction level of a vehicular air filter element |
| CN101688468A (en) * | 2007-09-05 | 2010-03-31 | 丰田自动车株式会社 | Internal combustion engine with turbocharger |
| CN101929381A (en) * | 2010-08-17 | 2010-12-29 | 芜湖杰锋汽车动力系统有限公司 | Variable air inlet turbocharger structure |
| CN103527318A (en) * | 2013-10-09 | 2014-01-22 | 潍柴动力股份有限公司 | Electronic control diesel engine galloping protecting method and device |
| KR20140113019A (en) * | 2013-03-15 | 2014-09-24 | (주)진영코리아 | Apparatus for protecting egr valve of vehicle |
| CN105888792A (en) * | 2016-04-13 | 2016-08-24 | 南昌大学 | Recyclable aftertreatment device based on diesel engine tail gas treatment |
| CN107605589A (en) * | 2017-11-02 | 2018-01-19 | 福州大学 | A kind of double vacuum tank gasoline exhaust turbocharger and control method based on by-passing valve control |
| CN208534619U (en) * | 2018-07-23 | 2019-02-22 | 潍柴西港新能源动力有限公司 | A kind of supercharging pressure control valve assembly with air filter failure monitor |
-
2019
- 2019-06-28 CN CN201910575560.2A patent/CN110374754A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210483A (en) * | 1998-01-30 | 1999-08-03 | Toyota Motor Corp | Abnormality determining device for variable displacement type turbocharger |
| US20020059797A1 (en) * | 2000-03-31 | 2002-05-23 | Detroit Diesel Corporation | Method for measuring recirculated exhaust gas flow in a compression-ignition engine |
| CN1650109A (en) * | 2002-05-03 | 2005-08-03 | 费希尔控制国际公司 | Method and apparatus for performing diagnostics in a control loop of a control valve |
| CN101260851A (en) * | 2007-03-06 | 2008-09-10 | 通用汽车环球科技运作公司 | Method and apparatus for monitoring the restriction level of a vehicular air filter element |
| CN101688468A (en) * | 2007-09-05 | 2010-03-31 | 丰田自动车株式会社 | Internal combustion engine with turbocharger |
| CN101929381A (en) * | 2010-08-17 | 2010-12-29 | 芜湖杰锋汽车动力系统有限公司 | Variable air inlet turbocharger structure |
| KR20140113019A (en) * | 2013-03-15 | 2014-09-24 | (주)진영코리아 | Apparatus for protecting egr valve of vehicle |
| CN103527318A (en) * | 2013-10-09 | 2014-01-22 | 潍柴动力股份有限公司 | Electronic control diesel engine galloping protecting method and device |
| CN105888792A (en) * | 2016-04-13 | 2016-08-24 | 南昌大学 | Recyclable aftertreatment device based on diesel engine tail gas treatment |
| CN107605589A (en) * | 2017-11-02 | 2018-01-19 | 福州大学 | A kind of double vacuum tank gasoline exhaust turbocharger and control method based on by-passing valve control |
| CN208534619U (en) * | 2018-07-23 | 2019-02-22 | 潍柴西港新能源动力有限公司 | A kind of supercharging pressure control valve assembly with air filter failure monitor |
Non-Patent Citations (1)
| Title |
|---|
| 应连春、余伟强: "《舰艇柴油机动力装置管理与维修》", 31 January 2008, 大连海事出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872996A (en) * | 2019-12-25 | 2020-03-10 | 潍柴动力股份有限公司 | Icing detection method and device for pressure type intake flow sensor |
| CN112627956A (en) * | 2020-12-14 | 2021-04-09 | 北汽福田汽车股份有限公司 | Differential pressure pipe cleaning system of vehicle and vehicle with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3935558A (en) | Surge detector for turbine engines | |
| US3868625A (en) | Surge indicator for turbine engines | |
| US11536285B2 (en) | Apparatus and method for diagnosing and controlling aerodynamic stability of compressor | |
| JPH08503042A (en) | Method and apparatus for monitoring the excitation of an axial compressor | |
| CN102330595B (en) | Method for determining the rotation speed of a supercharger in an internal combustion engine | |
| EP2273168B1 (en) | Valve failure detection | |
| CN110056530B (en) | Anti-surge control method and system | |
| CN110131193A (en) | Aero-engine surge fault monitoring method and system | |
| EP3171004A1 (en) | Method and system for improving parameter measurement | |
| GB2487122A (en) | Bypass monitor for fuel supply system | |
| CN102644505A (en) | Method for operating turbocharger arrangement and control unit for turbocharger arrangement | |
| EP2541067B1 (en) | Surge estimator | |
| US7380401B2 (en) | Method for monitoring the speed of a bi-turbocharger | |
| CN110131034A (en) | Turbocharger of motor hypervelocity diagnostic method and diagnostic system and vehicle | |
| CN110374754A (en) | System and vehicle are protected in fault detection | |
| CN103797225B (en) | For regulating the apparatus and method of spark ignition gas engine | |
| CN104314668A (en) | Device and method for controlling surging prediction of sequential turbocharging system | |
| US20120317958A1 (en) | Method of operating a motor vehicle with two turbochargers | |
| EP2805058B1 (en) | Method for reducing pumps in a compressor | |
| Walker et al. | Periodic transition on an axial compressor stator: Incidence and clocking effects: Part I—Experimental data | |
| CN102353801A (en) | Method for determining the rotation speed of a supercharger in an internal combustion engine | |
| US20100095670A1 (en) | Method and device for regulating or controlling a compressor of an exhaust-gas turbocharger | |
| Leinhos et al. | Experiments in active stall control of a twin-spool turbofan engine | |
| CN110418881A (en) | Method and apparatus for detecting the condition for helping to pump to protect the compressor of aircraft turbine engine | |
| CN105715395A (en) | Method and apparatus for checking a pressure-based mass flow sensor in an air delivery system for an internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |