CN205744166U - A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system - Google Patents
A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system Download PDFInfo
- Publication number
- CN205744166U CN205744166U CN201620678632.8U CN201620678632U CN205744166U CN 205744166 U CN205744166 U CN 205744166U CN 201620678632 U CN201620678632 U CN 201620678632U CN 205744166 U CN205744166 U CN 205744166U
- Authority
- CN
- China
- Prior art keywords
- cng
- cylinder direct
- electronic control
- natural gas
- gasoline
- 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.)
- Withdrawn - After Issue
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Classifications
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- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system, its structure is: CNG air accumulator (3), CNG switch electromagnetic valve (5), decompressor (6), CNG nozzle (7) and CNG blender (9) are sequentially connected and connect, described CNG blender (9) is connected to in-cylinder direct fuel-injection engine body (12) by air inlet pipe (11), described in-cylinder direct fuel-injection engine body (12) is also associated with fuel injector (14), and in-cylinder direct fuel-injection engine body (12) is additionally provided with exhaustor (13).This utility model achieves and only uses gasoline on direct spray petrol engine in cylinder or use gasoline and natural gas hybrid fuel, and under the effect of electronic control system, according to operating mode needs, it is achieved that use gasoline and the natural gas of different proportion, thus save engine gasoline, reduce granular material discharged.
Description
Technical field
This utility model relates to direct spray petrol engine in cylinder field, is combined with natural gas particularly to a kind of in-cylinder direct-jet gasoline
Fuel system.
Background technology
The in-cylinder direct-jet technology of gasoline engine is accepted by vast automobile and electromotor manufacturer, therefore in-cylinder direct-jet gasoline
Machine has been widely used in many vehicles both domestic and external, vehicle price by several ten thousand to hundreds of thousands.Simultaneously as it is straight in cylinder
Injection gasoline engine progress in dynamic property and economy is also liked by numerous car owners.
Natural gas has used for many years as one cleaning alternative fuel, and the natural gas energy as an alternative is permissible
Alleviate the imbalance between supply and demand of petroleum resources.It is gas under normal conditions due to natural gas, good mixing can be formed with air
Gas, is therefore easier the burning realizing relatively cleaning in spark-ignition engine.
At present, granular material discharged the caused environmental pollution of directly jetting gasoline engine has been subjected to pay much attention to, the V of country
It is also limited by stage emission regulation.Owing to natural gas can form good gaseous mixture with air, thus phase can be realized
For lower granular material discharged of gasoline, if it is possible to use the natural gas of a part to carry out Substitute For Partial on directly jetting gasoline engine
Gasoline, then, it is possible not only to the purpose realizing saving fossil energy, it is also possible to realize lower granular material discharged.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system
System, it is achieved only use gasoline on direct spray petrol engine in cylinder or use gasoline and natural gas hybrid fuel, and in Electronic Control system
Under the effect of system, need gasoline and the natural gas realizing using different proportion according to operating mode, thus realize electromotor and save gasoline
The purpose granular material discharged with minimizing.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system, CNG air accumulator, CNG switch electromagnetic valve, decompressor,
CNG nozzle and CNG blender are sequentially connected and connect, and described CNG blender is connected to in-cylinder direct fuel-injection engine body by air inlet pipe,
Described in-cylinder direct fuel-injection engine body is also associated with fuel injector, and in-cylinder direct fuel-injection engine body is additionally provided with exhaustor.
Further, also there is CNG electronic control module ECM (Electronic Control module) and former car electricity
Sub-control unit ECU (Electronic Control Unit), described CNG electronic control module ECM and former car Electronic Control list
Unit ECU is connected with each other and is all connected to gas pedal, and described former car electronic control unit ECU is also connected with fuel injector, described CNG electricity
Sub-control module ECM is also connected to CNG switch electromagnetic valve and CNG nozzle.
Further, be provided with CNG pressure transducer, described CNG pressure transducer be placed in CNG reservoir outlet and with
CNG electronic control module ECM is connected.
Further, being additionally provided with air filter, described air filter is connected with CNG blender.
Further, be additionally provided with mixture temperature sensor, described mixture temperature sensor respectively with CNG blender
It is connected with CNG electronic control module ECM.
Compared with prior art, the beneficial effects of the utility model are:
1, this utility model can realize the hybrid fuel of direct spray petrol engine in cylinder fuel natural gas and gasoline, reduces vapour
The purpose that oil consumption is granular material discharged with reduction.
2, this utility model does not affect the whole control system of former car, can realize former the lossless of car electronic control unit and change
Dress.
3, this utility model can realize ratio freely the adjusting with engine operating condition of gasoline and natural gas, keeps electromotor
Optimal duty.
4, this utility model does not affect the normal work of former car oil supply system, it is ensured that the cooling of former car fuel injector needs with lubrication
Ask, it is therefore prevented that because gasoline car is adapted as the fuel injector damage that natural gas vehicle is caused.
5, this utility model can realize the automatic switchover of pure gasoline mode and gasoline/natural gas hybrid fuel pattern, it is not necessary to
Human intervention, it is achieved that engine behavior optimum control, it is to avoid because artificial pattern switches the bad work shape caused
State.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system.
Fig. 2 is the control method schematic diagram of this utility model a kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system.
In figure: 1-gas pedal；2-CNG electronic control module ECM；3-CNG air accumulator；4-CNG pressure transducer；5-
CNG switch electromagnetic valve；6-decompressor；7-CNG nozzle；8-air filter；9-CNG blender；10-mixture temperature senses
Device；11-air inlet pipe；12-in-cylinder direct fuel-injection engine body；13-exhaustor；14-fuel injector；15-former car electronic control unit
ECU。
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.This utility model purport
Gasoline and natural gas hybrid fuel system is used, to realize reducing discharge and replacing providing one can realize direct spray petrol engine in cylinder
Purpose for part petroleum resources.
As it is shown in figure 1, a kind of in-cylinder direct-jet gasoline of this utility model offer and natural gas hybrid fuel system, its structure
For: CNG air accumulator 3, CNG switch electromagnetic valve 5, decompressor 6, CNG nozzle 7 and CNG blender 9 are sequentially connected and connect, and described CNG mixes
Clutch 9 is connected to in-cylinder direct fuel-injection engine body 12 by air inlet pipe 11, and described in-cylinder direct fuel-injection engine body 12 is also associated with
Fuel injector 14, and in-cylinder direct fuel-injection engine body 12 is additionally provided with exhaustor 13.
Also there is CNG electronic control module ECM2 and former car electronic control unit ECU15, CNG electronic control module ECM2
Being connected with each other and be all connected to gas pedal 1 with former car electronic control unit ECU15, former car electronic control unit ECU15 also connects
Connecing fuel injector 14, described CNG electronic control module ECM2 is also connected to CNG switch electromagnetic valve 5 and CNG nozzle 7.
Be provided with CNG pressure transducer 4, described CNG pressure transducer 4 be placed in CNG air accumulator 3 export and with CNG electronics
Control module ECM2 is connected.Being additionally provided with air filter 8, described air filter 8 is connected with CNG blender 9.It is additionally provided with
Mixture temperature sensor 10, described mixture temperature sensor 10 respectively with CNG blender 9 and CNG electronic control module
ECM2 is connected.
Former car electronic control unit ECU15 is responsible for controlling all functions of former car, and former car electronic control unit ECU15 also will
The water temperature signal of former car and tach signal pass to CNG electronic control module ECM2；Former car electronic control unit ECU15 is throttle
Pedal 1 is powered；CNG electronic control module ECM2 is responsible for receiving the signal of gas pedal 1 and processing, CNG Electronic Control mould
Accelerator pedal signal after block ECM2 processes gives former car electronic control unit ECU15 respectively for controlling the fuel injector 14 of gasoline
Be used for controlling CNG nozzle 7；CNG electronic control module ECM2 also receives signal and the mixture temperature of CNG pressure transducer 4
The temperature signal of sensor 10 is for controlling the injection proportion of CNG and gasoline；CNG electronic control module ECM2 also controls CNG and opens
Close electromagnetic valve 5, it is ensured that not using CNG when, close CNG.
As in figure 2 it is shown, a kind of in-cylinder direct-jet gasoline of this utility model offer and the control of natural gas hybrid fuel system
Method is:
According to the CNG pressure transducer 4 being arranged on CNG air accumulator 3, CNG electronic control module ECM2 judges that its pressure is
No reach setting value, if the pressure of CNG air accumulator 3 is not up to setting value, then keep pure gasoline mode to run.If CNG
The pressure of air accumulator 3 has reached setting value, then determine whether whether the water temperature that former car electronic control unit ECU15 sends reaches
Setting value, if water temperature is not up to setting value, then keeps pure gasoline mode to run.If water temperature has reached setting value, then enter
One step judges whether the temperature of mixture temperature sensor 10 has reached setting value, if the temperature of mixture temperature sensor 10
Not up to setting value, then keep pure gasoline mode to run.If the temperature of mixture temperature sensor 10 reaches, then enter CNG
Fuel combination pattern with gasoline.The power output keeping fuel combination pattern is equal with the output of the power of pure gasoline mode.
Claims (5)
1. an in-cylinder direct-jet gasoline and natural gas hybrid fuel system, it is characterised in that CNG air accumulator (3), CNG switch electricity
Magnet valve (5), decompressor (6), CNG nozzle (7) and CNG blender (9) are sequentially connected and connect, and described CNG blender (9) passes through air inlet
Pipe (11) is connected to in-cylinder direct fuel-injection engine body (12), and described in-cylinder direct fuel-injection engine body (12) is also associated with fuel injector
, and in-cylinder direct fuel-injection engine body (12) is additionally provided with exhaustor (13) (14).
2. a kind of in-cylinder direct-jet gasoline as claimed in claim 1 and natural gas hybrid fuel system, it is characterised in that also have
CNG electronic control module ECM (2) and former car electronic control unit ECU (15), described CNG electronic control module ECM (2) and former
Car electronic control unit ECU (15) is connected with each other and is all connected to gas pedal (1), described former car electronic control unit ECU
(15) being also connected with fuel injector (14), described CNG electronic control module ECM (2) is also connected to CNG switch electromagnetic valve (5) and CNG spray
Mouth (7).
3. a kind of in-cylinder direct-jet gasoline as claimed in claim 2 and natural gas hybrid fuel system, it is characterised in that be provided with
CNG pressure transducer (4), described CNG pressure transducer (4) be placed in CNG air accumulator (3) outlet and with CNG electronic control module
ECM (2) is connected.
4. a kind of in-cylinder direct-jet gasoline as claimed in claim 3 and natural gas hybrid fuel system, it is characterised in that also set up
Air filter (8), described air filter (8) is had to be connected with CNG blender (9).
5. a kind of in-cylinder direct-jet gasoline as described in any one of Claims 1-4 and natural gas hybrid fuel system, its feature exists
In, be additionally provided with mixture temperature sensor (10), described mixture temperature sensor (10) respectively with CNG blender (9) and
CNG electronic control module ECM (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678632.8U CN205744166U (en) | 2016-06-30 | 2016-06-30 | A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620678632.8U CN205744166U (en) | 2016-06-30 | 2016-06-30 | A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744166U true CN205744166U (en) | 2016-11-30 |
Family
ID=57379972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620678632.8U Withdrawn - After Issue CN205744166U (en) | 2016-06-30 | 2016-06-30 | A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927398A (en) * | 2016-06-30 | 2016-09-07 | 成都科林沃德动力科技有限公司 | Direct-injection gasoline and natural gas composite fuel system and control method |
| CN106769073A (en) * | 2017-03-15 | 2017-05-31 | 西华大学 | The experimental provision and its experimental technique of single combustive in a kind of simulated engine cylinder |
-
2016
- 2016-06-30 CN CN201620678632.8U patent/CN205744166U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927398A (en) * | 2016-06-30 | 2016-09-07 | 成都科林沃德动力科技有限公司 | Direct-injection gasoline and natural gas composite fuel system and control method |
| CN105927398B (en) * | 2016-06-30 | 2019-02-19 | 成都科林沃德动力科技有限公司 | A kind of in-cylinder direct-jet gasoline and natural gas hybrid fuel system and control method |
| CN106769073A (en) * | 2017-03-15 | 2017-05-31 | 西华大学 | The experimental provision and its experimental technique of single combustive in a kind of simulated engine cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20190219 |