CN110410236A - A kind of engine water spray control method and system - Google Patents
A kind of engine water spray control method and system Download PDFInfo
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- CN110410236A CN110410236A CN201910690365.4A CN201910690365A CN110410236A CN 110410236 A CN110410236 A CN 110410236A CN 201910690365 A CN201910690365 A CN 201910690365A CN 110410236 A CN110410236 A CN 110410236A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0227—Control aspects; Arrangement of sensors; Diagnostics; Actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
- F02M25/03—Adding water into the cylinder or the pre-combustion chamber
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of engine water spray control method and systems, are related to engine art.Engine water spray control method includes the parameter information acquired under engine current working, determines to need then to search object control information corresponding with parameter information from preset memory module to engine water spray according to parameter information later.Wherein, the parameter information of engine and the corresponding relationship of object control information are previously stored in preset memory module.Last to carry out parameter adjustment to water jet according to the object control information found, control parameter water jet adjusted is sprayed water to engine.The present invention can accurately control engine in-cylinder water injection quality to engine water spray according to object control information, effectively inhibit pinking in engine cylinder, further improve the service life of engine.
Description
Technical field
The present invention relates to engine arts, more particularly to a kind of engine water spray control method and system.
Background technique
With increasingly sharpening for fossil energy shortage and environmental pollution, countries in the world put into effect stringent automobile fuel consumption and
Discharge statute of limitation.As the engine of automobile major impetus, needs to be continuously improved the thermal efficiency and reduce discharge, to cope with future
Stern challenge.
Pinking is a kind of malcombustion phenomenon of engine, can reduce engine thermal efficiency, will lead to engine when serious
Damage.In-cylinder water injection is a kind of technology for effectively inhibiting combustion knock, it refers to is arranged high pressure nozzle in cylinder head, will be high
Pressure water is injected directly into combustion chamber, absorbs gaseous mixture heat in cylinder, reduces ignition temperature, inhibits pinking and optimizes combustion phase, most
The thermal efficiency is improved eventually.
By studying for a long period of time, it is necessary to which rationally control in-cylinder water injection quality could utmostly play in-cylinder water injection technology
Energy-saving potential.Conversely, less serious case can not inhibit pinking, improve the thermal efficiency, severe one will lead to engine damage.If in-cylinder water injection matter
Amount is excessive, and part water can not absorb enough heats and be vaporized into vapor, finally mixed, caused with lubricating oil with form of liquid water
Phenomena such as oil mixing with water.And if water spray quality is very few, the gaseous mixture heat absorbed is also few, and mixture temperature reduces amplitude
Small, pinking inhibition level is weak.
Summary of the invention
One purpose of first aspect present invention is to provide for a kind of engine water spray control method, solves in the prior art
The problem of quality of engine in-cylinder water injection cannot rationally being controlled and leading to engine damage.
First aspect present invention is further objective is that the accuracy of target irrigation pressure will be improved.
The purpose of second aspect of the present invention is to provide for a kind of engine spray water control system.
According to the first aspect of the invention, the present invention provides a kind of engine water spray control methods, comprising:
Acquire the parameter information under engine current working；
Judge whether to need to spray water to the engine according to the parameter information；
If so, searching object control information corresponding with the parameter information from preset memory module, wherein described
The parameter information of the engine and the corresponding relationship of object control information are previously stored in preset memory module；
Parameter adjustment is carried out to water jet according to the object control information found, control parameter is adjusted described
Water jet is sprayed water to the engine.
Optionally,
The parameter information include in revolving speed, torque, cooling cycle temperature and the delivery temperature of the engine extremely
One item missing；
The object control information includes the target irrigation pressure of the engine, target water spray starts angle, target is sprayed
At least one of in water angle at the end and target exhaust temperature.
Optionally, after the water jet is sprayed water to the engine further include:
Detect the actual exhaust air temperature of the engine；
Judge whether the actual exhaust air temperature of the engine deviates the preset threshold of the target exhaust temperature；
If so, generating engine failure information and the engine failure information being sent to entire car controller.
Optionally, water jet is adjusted according to the object control information found, comprising:
It sends and instructs to high-pressure hydraulic pump according to the target irrigation pressure in the object control information；
The outlet pressure of the high-pressure hydraulic pump is controlled equal to the target irrigation pressure so that the water spray pressure of the water jet
Power reaches the target irrigation pressure.
Optionally, water jet is adjusted according to the object control information found, comprising:
Obtain the crankshaft rotation angle information of the engine；
The water jet is controlled when the crankshaft rotation angle of the engine reaches the target water spray beginning angle to open
It opens, controls the water jet when the crankshaft rotation angle of the engine reaches the target water spray angle at the end and close.
Purpose according to a second aspect of the present invention, the present invention also provides a kind of engine spray water control systems, including letter
Cease acquisition module, control module and preset memory module:
The information acquisition module, for acquiring the parameter information under engine current working and sending out the parameter information
Give the control module；
The control module is configured to be determined to need to after engine water spray according to the parameter information received
Object control information corresponding with the parameter information is searched from the preset memory module, it is then described according to finding
Object control information carries out parameter adjustment to water jet and the control parameter water jet adjusted is sprayed water to the engine；
The parameter information of the engine and the correspondence of object control information are previously stored in the preset memory module
Relationship.
Optionally,
The parameter information include in revolving speed, torque, cooling cycle temperature and the delivery temperature of the engine extremely
One item missing；
The object control information includes the target irrigation pressure of the engine, target water spray starts angle, target is sprayed
At least one of in water angle at the end and target exhaust temperature.
Optionally,
The information acquisition module is also used to detect the actual exhaust air temperature of the engine and by the actual exhaust air temperature
Degree is sent to the control module；
The control module is configured to deviateing the mesh according to the actual exhaust air temperature of the engine received
Engine failure information is generated when marking delivery temperature preset threshold and the engine failure information is sent to entire car controller.
Optionally,
The control module is sent out according to the target irrigation pressure in the object control information received to high-pressure hydraulic pump
It send instruction and controls the outlet pressure of the high-pressure hydraulic pump equal to the target irrigation pressure so that the water spray pressure of the water jet
Power reaches the target irrigation pressure.
Optionally,
The information acquisition module is configured to obtain the crankshaft rotation angle information of the engine and by the engine
Crankshaft rotation angle information be sent to the control module；
The control module is configured to the crankshaft rotation angle information according to the engine received and again when described
The crankshaft rotation angle of engine reaches the target water spray and starts to control the water jet unlatching when angle, when the engine
Crankshaft rotation angle control the water jet when reaching target water spray angle at the end and close.
The present invention determines to need to search from preset memory module after to engine water spray to believe with parameter according to parameter information
Corresponding object control information is ceased, parameter adjustment, control parameter tune are carried out to water jet according to the object control information found
Water jet after whole is sprayed water to engine.The present invention sprays water after being adjusted according to object control information to water jet to engine
Engine in-cylinder water injection quality can be accurately controlled, effectively inhibits pinking in engine cylinder, further improves making for engine
Use the service life.
The present invention can also detect the actual exhaust air temperature of engine after spraying water to engine, and determine engine
Engine failure information is generated after the preset threshold of actual exhaust air temperature departure target exhaust temperature and by engine failure information
It is sent to entire car controller.The present invention is detected to realize and spray water to engine by the delivery temperature to engine after water spray
The closed-loop control of quality can further monitor the water spray quality of engine.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic flow chart of engine water spray control method according to an embodiment of the invention；
Fig. 2 is the schematic flow chart of engine water spray control method in accordance with another embodiment of the present invention；
Fig. 3 is the schematic diagram of engine spray water control system according to an embodiment of the invention.
Appended drawing reference:
Water tank 1, filter 2, low-pressure pump 3, high pressure standpipe 4, high-pressure hydraulic pump 5, relief valve 6, control module 7, pressure
Sensor 8, water jet 9, temperature sensor 10, engine 11, information acquisition module 20 and preset memory module 30.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Fig. 1 is the schematic flow chart of engine water spray control method according to an embodiment of the invention.Such as Fig. 1 institute
Show, in one specifically embodiment, engine water spray control method generally be can comprise the following steps that
S10 acquires the parameter information under engine current working；
S20 judges whether to need to spray water to engine according to parameter information；
S30, if so, searching object control information corresponding with parameter information from preset memory module, wherein preset
The corresponding relationship of engine parameter information and object control information is previously stored in memory module；
S40 carries out parameter adjustment, control parameter water spray adjusted to water jet according to the object control information found
Device is sprayed water to engine.
The present invention determines to need to search from preset memory module after to engine water spray to believe with parameter according to parameter information
Corresponding object control information is ceased, parameter adjustment, control parameter tune are carried out to water jet according to the object control information found
Water jet after whole is sprayed water to engine.The present invention sprays water after being adjusted according to object control information to water jet to engine
Engine in-cylinder water injection quality can be accurately controlled, effectively inhibits pinking in engine cylinder, further improves making for engine
Use the service life.
Fig. 2 is the schematic flow chart of engine water spray control method in accordance with another embodiment of the present invention.Such as Fig. 2 institute
Show, in another embodiment, engine spray water control method the following steps are included:
S10 acquires the parameter information under engine current working；
S20 judges whether to need to spray water to engine according to parameter information；
S30, if so, searching object control information corresponding with parameter information from preset memory module, wherein preset
The corresponding relationship of engine parameter information and object control information is previously stored in memory module；
S40 carries out parameter adjustment, control parameter water spray adjusted to water jet according to the object control information found
Device is sprayed water to engine；
S50 detects the actual exhaust air temperature of engine；
S60 generates engine failure in the preset threshold of the actual exhaust air temperature departure target exhaust temperature of engine
Engine failure information is simultaneously sent to entire car controller by information.
Wherein, parameter information includes at least one in revolving speed, torque, cooling cycle temperature and the delivery temperature of engine
.Object control information includes the target irrigation pressure of engine, target water spray beginning angle, target water spray angle at the end and mesh
Mark at least one in delivery temperature.
In another embodiment, the revolving speed under engine current working reaches preset threshold revolving speed, torque reaches default
Threshold torque, cooling cycle temperature reach preset threshold circulating temperature and delivery temperature reaches judgement need after preset threshold temperature
It to spray water to engine.Here, preset threshold revolving speed, preset threshold torque, preset threshold circulating temperature and delivery temperature reach
It needs in engine development process to preset threshold temperature through test confirmation.
Specifically, S40 the following steps are included:
S41 sends to high-pressure hydraulic pump according to the target irrigation pressure in object control information and instructs；
S42, the outlet pressure for controlling high-pressure hydraulic pump are equal to target irrigation pressure so that the irrigation pressure of water jet reaches mesh
Mark irrigation pressure；
S43 obtains the crankshaft rotation angle information of engine；
S44 is opened when the crankshaft rotation angle of engine reaches control water jet when target water spray starts angle, when starting
Control water jet is closed when the crankshaft rotation angle of machine reaches target water spray angle at the end.
The present invention can also detect the actual exhaust air temperature of engine after spraying water to engine, and determine engine
Engine failure information is generated after the preset threshold of actual exhaust air temperature departure target exhaust temperature and by engine failure information
It is sent to entire car controller.The present invention is detected to realize and spray water to engine by the delivery temperature to engine after water spray
The closed-loop control of quality can further monitor the water spray quality of engine.
The schematic diagram of Fig. 3 engine spray water control system according to an embodiment of the invention.As shown in figure 3,
Engine spray water control system 100 generally may include information acquisition module 20, control module 7 and preset memory module 30.
Information acquisition module 20 is for acquiring the parameter information under engine current working and parameter information being sent to control module 7.
Control module 7 is configured to look into from preset memory module 30 after being determined to need to engine water spray according to the parameter information received
Object control information corresponding with parameter information is looked for, parameter tune then is carried out to water jet according to the object control information found
Whole and control parameter water jet adjusted is sprayed water to engine.Wherein, information acquisition module 20 and 7 communication link of control module
It connects, control module 7 and preset memory module 30 communicate to connect, and the parameter letter of engine is previously stored in preset memory module 30
The corresponding relationship of breath and object control information.Specifically, parameter information includes the revolving speed, torque, cooling cycle temperature of engine
At least one of and in delivery temperature.Object control information includes the target irrigation pressure of engine, target water spray beginning angle
At least one of in degree, target water spray angle at the end and target exhaust temperature.
In addition, information acquisition module 20 is also used to detect the actual exhaust air temperature of engine and sends actual exhaust air temperature
To control module 7.Control module 7 is configured to deviateing target exhaust temperature according to the actual exhaust air temperature of the engine received
Engine failure information is generated when spending preset threshold and engine failure information is sent to entire car controller.
Information acquisition module 20 is configured to obtain the crankshaft rotation angle information of engine and revolves the crankshaft of engine
Gyration information is sent to control module 7.Control module 7 is configured to the crankshaft rotation angle letter according to the engine received again
It ceases and is opened when the crankshaft rotation angle of engine reaches control water jet when target water spray starts angle, when the crankshaft of engine
Control water jet when angle reaches target water spray angle at the end is rotated to close.
In another embodiment, engine spray water control system 100 further includes sequentially connected water tank 1, filter 2, low
Water pump 3, high-pressure hydraulic pump 5, high pressure standpipe 4 and water jet 9.Specifically, for water tank 1 for storing water, filter 2 is arranged in water
Between case 1 and low-pressure pump 3, low-pressure pump 3 is fetched water from water tank 1 and is filtered through filter 2, can be by the contaminant filter in water
Fall.Low-pressure pump 3 is conveyed to high-pressure hydraulic pump 5 later after water pressurizes for the first time, and high-pressure hydraulic pump 5 can be electric drive water pump here,
It is also possible to the mechanical water pump driven by engine crankshaft or camshaft.Then high-pressure hydraulic pump 5 will come from low pressure water
The water repressurization of pump 3, and high pressure water is exported to high pressure standpipe 4.High pressure standpipe 4 can be stored from high-pressure hydraulic pump 5
High pressure water and by pipeline to water jet 9 supply water.Specifically, control module 7 is used for according to the object control information received
In target irrigation pressure to high-pressure hydraulic pump 5 send instruct and control high-pressure hydraulic pump 5 outlet pressure be equal to target irrigation pressure
So that the irrigation pressure of water jet 9 reaches target irrigation pressure.Here, water jet 9 is arranged in engine cylinder and covers, can directly to
In-cylinder injection high pressure water.
Engine spray water control system 100 further includes pressure sensor 8 and relief valve 6, pressure sensor 8 and high pressure water storage
Pipe 4 is connected, for detecting the pressure value in high pressure standpipe 4.6 one end of relief valve is connected with high pressure standpipe 4, the other end and water
Case 1 is connected.Control module 7 is configured to detect that 4 pressure of high pressure standpipe is higher than the time control of target irrigation pressure when pressure sensor 8
Relief valve 6 processed is opened so that the water in high pressure standpipe 4 can flow into water tank 1 to reduce the pressure of high pressure standpipe 4.Work as inspection
Control relief valve 6 is closed when measuring 4 pressure of high pressure standpipe not higher than target irrigation pressure.Utilize relief valve 6 and pressure sensing
Device 8 can make practical irrigation pressure closer to target irrigation pressure, further increase water spray effect.In addition, engine is sprayed water
Information acquisition module 20 in control system 100 includes temperature sensor 10, is arranged on the exhaust manifold of engine 11, is used
In the delivery temperature of detection engine 11.Specifically, control module 7 can receive pressure sensor 8 and temperature sensor 10
Feedback signal, and send believe to executive items such as low-pressure pump 3, high-pressure hydraulic pump 5, relief valve 6 and water jets 9 based on the feedback signal
Number, control each executive item work.Wherein, signal can be received and transmitted by CAN bus or other modes.
Present invention control relief valve when detecting that high pressure water storage pipe pressure is higher than target irrigation pressure is opened, and unlatching is passed through
Relief valve can reduce the pressure of high pressure standpipe so that closer to target irrigation pressure, detect high pressure water storage pipe pressure
Relief valve is controlled when not higher than target irrigation pressure to close.The present invention can monitor high pressure water storage pipe pressure in real time, so that water spray
Pressure is more accurate.
Further, engine spray water control system 100 includes crankshaft position sensor again, and interior, use is being started in setting
In detection engine crankshaft rotation angle and crankshaft rotation angle is sent to control module 7.Control module 7 is according to detecting
Engine crankshaft rotates angle and controls 9 unlatchings of water jet/closing.Specifically, control module 7 receives crankshaft rotation angle signal,
And it is compared with target water spray beginning angle and target water spray angle at the end.Start when crankshaft rotation angle reaches target water spray
When angle, control module 7 sends open command to water jet 9, and water jet 9 opens nozzle after receiving open command and into cylinder
Spray high pressure water.When crankshaft rotation angle reaches target water spray angle at the end, control module 7 is sent to water jet 9 terminates life
It enables, high-pressure water jet, which receives, closes nozzle and stop spraying water after terminating order.
The reality that temperature sensor 10 detects the actual exhaust air temperature of engine and will test after engine completes water spray
Border delivery temperature is sent to control module 7, and control module 7 is compared according to actual exhaust air temperature with target exhaust temperature, and
Engine water injection system failure is determined after actual exhaust air temperature departure target temperature preset threshold and generates engine failure letter
It ceases and engine failure information is sent to entire car controller to realize the closed-loop control to water spray quality.In actual exhaust air temperature
When deviateing target exhaust temperature no more than preset threshold, control module 7 waits for comparing next time.Here presetting at threshold value can be with
It is determined by specific rating test.
In addition, the present invention can be used for multicylinder engine, naturally aspirated engine, turbocharged engine, spark ignition type hair
Motivation and compression ignition engine.
In another embodiment, it when the present invention is used for multicylinder engine machine, needs according to number of cylinders and practical ignition
Sequentially, each cylinder water jet work is successively controlled.Meanwhile temperature sensor 10 should be arranged in the exhaust confluence of exhaust manifold
Place.
In yet another embodiment, when the present invention is used for turbocharged engine, it should be arranged in temperature sensor 10
Before turbine.
The present invention sprays water according to the target irrigation pressure of engine, target starts angle, target water spray angle at the end and mesh
Mark delivery temperature controls water jet.Engine in-cylinder water injection quality can be accurately controlled, effectively inhibition pinking, raising hair
The thermal efficiency of motivation, while the discharge of NOx is reduced, achieve the effect that energy-saving and emission-reduction.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (10)
- The control method 1. a kind of engine is sprayed water characterized by comprisingAcquire the parameter information under engine current working；Judge whether to need to spray water to the engine according to the parameter information；If so, searching object control information corresponding with the parameter information from preset memory module, wherein described preset The parameter information of the engine and the corresponding relationship of object control information are previously stored in memory module；Parameter adjustment, the control parameter water spray adjusted are carried out to water jet according to the object control information found Device is sprayed water to the engine.
- 2. control method according to claim 1, which is characterized in thatThe parameter information includes at least one in revolving speed, torque, cooling cycle temperature and the delivery temperature of the engine ；The object control information includes the target irrigation pressure of the engine, target water spray starts angle, target water spray is tied At least one of in beam angle degree and target exhaust temperature.
- 3. control method according to claim 2, which is characterized in that after the water jet is sprayed water to the engine Further include:Detect the actual exhaust air temperature of the engine；Judge whether the actual exhaust air temperature of the engine deviates the preset threshold of the target exhaust temperature；If so, generating engine failure information and the engine failure information being sent to entire car controller.
- 4. control method according to claim 2, which is characterized in that according to the object control information found to spray Hydrophone is adjusted, comprising:It sends and instructs to high-pressure hydraulic pump according to the target irrigation pressure in the object control information；The outlet pressure for controlling the high-pressure hydraulic pump is equal to the target irrigation pressure so that the irrigation pressure of the water jet reaches To the target irrigation pressure.
- 5. control method according to claim 2, which is characterized in that according to the object control information found to spray Hydrophone is adjusted, comprising:Obtain the crankshaft rotation angle information of the engine；The water jet unlatching is controlled when the crankshaft rotation angle of the engine reaches when the target water spray starts angle, when The crankshaft rotation angle of the engine controls the water jet when reaching the target water spray angle at the end and closes.
- 6. a kind of engine spray water control system, which is characterized in that including information acquisition module, control module and preset storage mould Block:The information acquisition module, for acquiring the parameter information under engine current working and being sent to the parameter information The control module；The control module is configured to after being determined to need to engine water spray according to the parameter information received from institute It states and searches object control information corresponding with the parameter information in preset memory module, then according to the target found Control information carries out parameter adjustment to water jet and the control parameter water jet adjusted is sprayed water to the engine；The parameter information of the engine and the corresponding relationship of object control information are previously stored in the preset memory module.
- 7. control system according to claim 6, which is characterized in thatThe parameter information includes at least one in revolving speed, torque, cooling cycle temperature and the delivery temperature of the engine ；The object control information includes the target irrigation pressure of the engine, target water spray starts angle, target water spray is tied At least one of in beam angle degree and target exhaust temperature.
- 8. control system according to claim 7, which is characterized in thatThe information acquisition module is also used to detect the actual exhaust air temperature of the engine and sends out the actual exhaust air temperature Give the control module；The control module is configured to deviateing the target row according to the actual exhaust air temperature of the engine received Engine failure information is generated when temperature degree preset threshold and the engine failure information is sent to entire car controller.
- 9. control system according to claim 7, which is characterized in thatThe control module refers to according to the target irrigation pressure in the object control information received to high-pressure hydraulic pump transmission It enables and the outlet pressure for controlling the high-pressure hydraulic pump is equal to the target irrigation pressure so that the irrigation pressure of the water jet reaches To the target irrigation pressure.
- 10. control system according to claim 7, which is characterized in thatThe information acquisition module is configured to obtain the crankshaft rotation angle information of the engine and by the song of the engine Axis rotation angle information is sent to the control module；The control module is configured to the crankshaft rotation angle information according to the engine received again and starts when described The crankshaft rotation angle of machine reaches the target water spray and starts to control the water jet unlatching when angle, when the song of the engine Axis rotation angle controls the water jet when reaching the target water spray angle at the end and closes.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502868A (en) * | 2020-04-16 | 2020-08-07 | 北京汽车股份有限公司 | Control method and control device for water injection in engine cylinder and vehicle |
| CN113217181A (en) * | 2020-01-21 | 2021-08-06 | 长城汽车股份有限公司 | Water spray control method and device for engine body and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106506Y (en) * | 2007-10-01 | 2008-08-27 | 绵阳新晨动力机械有限公司 | Waterworks in jar of four-stroke petrol engine |
| JP2017025774A (en) * | 2015-07-22 | 2017-02-02 | マツダ株式会社 | Control device for engine |
| CN106762237A (en) * | 2016-12-16 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of engine |
| CN107567539A (en) * | 2015-05-06 | 2018-01-09 | 罗伯特·博世有限公司 | The method for the device of injection water and for running this kind of device of internal combustion engine |
| CN108869105A (en) * | 2018-06-21 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of engine water injection system |
-
2019
- 2019-07-29 CN CN201910690365.4A patent/CN110410236B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106506Y (en) * | 2007-10-01 | 2008-08-27 | 绵阳新晨动力机械有限公司 | Waterworks in jar of four-stroke petrol engine |
| CN107567539A (en) * | 2015-05-06 | 2018-01-09 | 罗伯特·博世有限公司 | The method for the device of injection water and for running this kind of device of internal combustion engine |
| JP2017025774A (en) * | 2015-07-22 | 2017-02-02 | マツダ株式会社 | Control device for engine |
| CN106762237A (en) * | 2016-12-16 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of engine |
| CN108869105A (en) * | 2018-06-21 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of engine water injection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217181A (en) * | 2020-01-21 | 2021-08-06 | 长城汽车股份有限公司 | Water spray control method and device for engine body and vehicle |
| CN111502868A (en) * | 2020-04-16 | 2020-08-07 | 北京汽车股份有限公司 | Control method and control device for water injection in engine cylinder and vehicle |
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| CN110410236B (en) | 2020-11-20 |
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