CN109611192A - A kind of gasoline engine high pressure sprays into device, engine and the automobile of gas - Google Patents
A kind of gasoline engine high pressure sprays into device, engine and the automobile of gas Download PDFInfo
- Publication number
- CN109611192A CN109611192A CN201811597794.9A CN201811597794A CN109611192A CN 109611192 A CN109611192 A CN 109611192A CN 201811597794 A CN201811597794 A CN 201811597794A CN 109611192 A CN109611192 A CN 109611192A
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- Prior art keywords
- gas
- engine
- pressure
- sprays
- cylinder body
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Classifications
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
-
- 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
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
Abstract
The invention discloses the devices that a kind of gasoline engine high pressure sprays into gas, including booster and pressurizer tank, the input port of the booster is connect with gas source, the connection of the input port of delivery outlet and pressurizer tank, the delivery outlet of the pressurizer tank connects multiple high-pressure nozzles, the multiple high-pressure nozzle is correspondingly connected with engine cylinder body respectively, the delivery outlet of high-pressure nozzle protrudes into engine cylinder body, it runs near top dead center in piston close to before ignition point, high-pressure nozzle sprays into compressed gas into engine cylinder body, or the compressed gas of high-pressure nozzle sprays into engine cylinder body with engine oil spout.It can be improved fuel efficiency, reduction discharges pollutants, and limited inhibition gasoline engine pre-ignition and pinking, structure is simple, stable and reliable for performance.The invention also discloses a kind of engine and automobiles.
Description
Technical field
The present invention relates to Electronic control fuel injection systems, and in particular to a kind of gasoline engine high pressure sprays into device, the engine of gas
And automobile.
Background technique
Under the background of high fuel efficiency for constantly pursuing gasoline engine, the compression ratio of gasoline engine is also constantly towards diesel engine
It draws close, by original common 10.5:1, is constantly increased to 10.8:1,13:1,14:1 ..., even up to 18:1,19:1.Gasoline
During machine works under the operating condition of high compression ratio, due to the characteristic of gasoline, its knock problem is caused more to highlight.Correspondingly, pinking
Also just become and restrict the biggest obstacle that gasoline engine realizes high compression ratio.During realizing 14:1, we can pass through work
The optimization designs such as plug, exhaust system are realized, but the working environment of the high compression ratio in pursuit 18:1 or even higher 19:1
Under, the solution of knock problem must use nonconventional approaches.
High compression engine is mixed due to occurring combustion gas in cylinder when oil spout compression is up to piston motion near top dead center
Gas ignition point is closed, to the collision of flame front occur with plug ignition flame, and leads to combustion knock.
Our all means that can be used of petrol engine at present can only be control distributive value, angle of ignition etc., control hair
The real-time fuel efficiency of motivation, burning followability is bad, causes fuel efficiency generally not high.
CN206234013U discloses a kind of pressure exhaust blast system for inhibiting pre-ignition and pinking, and engine is arranged in
Between air intake duct and exhaust pipe, dynamoelectric compressor is communicated with by pipeline on exhaust pipe, dynamoelectric compressor is successively connected by pipeline
It is connected with intercooler, air accumulator, pressure reducing valve, plenum chamber and snifting valve, is provided with pressure sensor and manostat on air accumulator；
Dynamoelectric compressor compresses the exhaust gas drawn from exhaust pipe, and compressed gas is cooling through intercooler and is stored in air accumulator,
Gas in air accumulator enters plenum chamber by pressure reducing valve；When pre-ignition or pinking occur, snifting valve is opened, will be in plenum chamber
Gas spray into air intake duct in mix with fresh air, and enter cylinder participate in burn.The system passes through compressor and air accumulator
Store the gas drawn from exhaust pipe, since there are many uncontrollable factors for the exhaust gas of exhaust pipe discharge, then directly by its with
Fresh air mixing will affect air inlet body and spray into the quality of gas in air intake duct, and then may will affect engine work.
Simultaneously as the exhaust gas temperature of exhaust pipe discharge is higher, needs to introduce new intercooler to cool down, need to develop again and set
The arrangement space for counting enging cabin, increases the development time.
CN206987956U discloses a kind of Gasoline Engines with High Compression Ratio .. supercharging device that pinking inhibits.Including turbine, pressure
Mechanism of qi, intercooler, turbine inlet pipe A are connect with engine exhaust port, gas turbine exhaust pipe A connection offgas duct, turbine band
Dynamic pressure mechanism of qi, the connection of compressor air inlet machine pipe is extraneous, and blower outlet is connect with intercooler input port A, and intercooler delivery outlet A is simultaneously
Connection expansion cooling device input port B and heat exchanger input port C, expands another input of cooling device delivery outlet B connection heat exchanger
Mouth D, heat exchanger delivery outlet C connection engine intake.High pressure by expansion cooling device cooling segment from intercooler is empty
Gas, and be used for further cooling down the remaining pressure-air from intercooler, pressure-air after cooling is sent into engine.
So that do not improve the intake air temperature of engine again while improving engine charge pressure so that engine can be used compared with
High compression ratio, moreover it is possible to avoid that pinking occurs.It, as gas source, may be will affect and start using from engine exhaust port
Machine works normally.And it needs to introduce intercooler to cool down to exhaust gas, is unfavorable for the space layout of enging cabin.
Summary of the invention
The object of the present invention is to provide device, engine and automobiles that a kind of gasoline engine high pressure sprays into gas, can have
Limit inhibits gasoline engine pre-ignition and pinking, and structure is simple, stable and reliable for performance.
Gasoline engine high pressure of the present invention sprays into the device of gas, including booster and pressurizer tank, the booster
Input port is connect with gas source, and the input port connection of delivery outlet and pressurizer tank, the delivery outlet of the pressurizer tank connects multiple high pressure sprays
Head, the multiple high-pressure nozzle are correspondingly connected with engine cylinder body respectively, and the delivery outlet of high-pressure nozzle protrudes into engine cylinder body,
It being run near top dead center close to before ignition point in piston, high-pressure nozzle sprays into compressed gas into engine cylinder body, or
Compressed gas in high-pressure nozzle sprays into engine cylinder body with engine oil spout.
Further, the high-pressure nozzle is equipped with the first controller, and first controller is connect with electronic control unit,
For controlling the opening and closing of high-pressure nozzle.
Further, the booster is high-pressure pump, and for compressing the gas obtained from gas source, compressed gas is stored in
Pressurizer tank.
Further, the high-pressure pump is equipped with second controller, and the second controller is connect with electronic control unit, uses
In the opening and closing of control high-pressure pump.
Further, the gas source is through air cleaner treated air.
Further, the gas source is air accumulator, which has oxygen or inert gas.
A kind of engine, including engine cylinder body, the engine cylinder body include that above-mentioned gasoline engine high pressure sprays into gas
Device.
A kind of automobile, the automobile include above-mentioned engine.
The gas pressurized that the present invention will be obtained by setting booster and pressurizer tank, booster from gas source, then inputs
In pressurizer tank, for the gas after pressurization with constant pressure reservoir in pressurizer tank, the delivery outlet of pressurizer tank is connected with high-pressure nozzle,
By spraying into suitable compressed gas in high pressure spray head case engine cylinder body, the spark plug of engine cylinder body is acted on, with delay
Gaseous mixture spontaneous combustion realizes the efficient normal combustion of engine mixed gas, it is suppressed that Engine Knock.
Also, gas source is that ensure that gas source matter through air cleaner treated air or the air accumulator being separately provided
Amount, avoids engine from other problems occur because exhaust gas is mixed into.
Real-time control gaseous mixture ingredient is accomplished in control of the present invention to air inflow and air inlet ingredient, better to realize
It improves efficiency of combustion and reduces and discharge pollutants.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure, 1-booster, 2-pressurizer tanks, 3-high-pressure nozzles, the 4-the first controller, 5-second controllers, 6-
Low-voltage tube, 7-high-voltage tubes, 8-connectors.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.
Referring to Fig. 1, shown in gasoline engine high pressure spray into the device of gas, including booster and pressurizer tank, the booster 1
Input port connector 8 is connected with by low-voltage tube 6, which connect with gas source, and gas source is being not shown in the figure.Booster 1 it is defeated
Outlet is connect by high-voltage tube 7 with the input port of pressurizer tank 2, and the delivery outlet of the pressurizer tank 2 connects four high-pressure nozzles 3, institute
It states four high-pressure nozzles 3 to be correspondingly connected with four cylinder bodies of engine respectively, the delivery outlet of high-pressure nozzle 3 protrudes into engine cylinder body
It is interior, it is run near top dead center close to before ignition point in piston, high-pressure nozzle 3 sprays into compressed gas into engine cylinder body.
Or the compressed gas in high-pressure nozzle 3 sprays into engine cylinder body with engine oil spout, penetrating together described herein is simultaneously
Compressed gas and engine oil spout are not mixed in engine oil inlet road, compressed gas is directly sprayed into engine cylinder body
Engine oil spout collective effect that is interior, and spraying into.Housing structure is being not shown in the figure, and engine cylinder body is the common of this field
Structure, the present invention repeat no more the connection type of high-pressure nozzle 3 Yu cylinder body.
The high-pressure nozzle 3 is equipped with the first controller 4, which connect with electronic control unit, for controlling
The opening and closing of high-pressure nozzle processed.The booster 1 is equipped with second controller 5, and the second controller 5 connects with electronic control unit
It connects, for controlling the opening and closing of booster 1.
As one embodiment of the present invention, the booster 1 is high-pressure pump, is obtained by the high-pressure pump to from gas source
The gas taken pressurizes, and is then input in pressurizer tank 2.
As another embodiment of the invention, the gas source is through air cleaner treated air.
As another embodiment of the invention, the gas source is air accumulator, which has oxygen or inertia
Gas.
Gas source is that ensure that air source quality through air cleaner treated air or the air accumulator being separately provided, keep away
Exempt from engine and other problems occur because exhaust gas is mixed into, increases the discharge of pollutant.
When specific works, clean air, oxygen or inert gas are directly obtained from gas source by connector 8, acquisition
Gas is entered in booster 1 by low-voltage tube 6, then the low-pressure gas pressurization of 1 pair of booster entrance passes through gas after pressurization
High-voltage tube 7 accesses in pressurizer tank 2, and the gas after pressurization is with constant pressure reservoir in pressurizer tank 2.When the engine is working,
Electronic control unit is input a signal into the first controller 4, opens high-pressure nozzle 3, is sprayed into the spark plug of engine cylinder body suitable
The compressed gas of amount effectively inhibits the knock problem of engine to realize the efficient normal combustion of engine mixed gas.
Or gas source is used as using individual air accumulator, air accumulator is interior filled with oxygen, and the compressed gas of high-pressure nozzle 3 is the
Engine cylinder body is sprayed into engine oil spout under the control of one controller 4, improves the real-time blending constituent of gasoline engine, is improved
Engine fuel efficiency, reduces engine emission pollutant.
Wherein, electronic control unit controls the opening and closing of booster 1 by second controller 5, realizes to the pressure in pressurizer tank 2
The monitoring of power, electronics through-hole unit are controlled the opening and closing of high-pressure nozzle 3 by the first controller 4, realize and spray into engine cylinder body
Enter compressed gas, the high compression ratio of gasoline engine is realized with this, provide the efficiency of combustion of engine, reduces the row of pollutant
It puts.
A kind of engine, including engine cylinder body, the engine cylinder body include that above-mentioned gasoline engine high pressure sprays into gas
Device.
A kind of automobile, the automobile include above-mentioned engine.
Claims (8)
1. the device that a kind of gasoline engine high pressure sprays into gas, it is characterised in that: including booster (1) and pressurizer tank (2), the increasing
The input port of depressor (1) is connect with gas source, and delivery outlet is connect with the input port of pressurizer tank (2), the delivery outlet of the pressurizer tank (2)
It connects multiple high-pressure nozzles (3), the multiple high-pressure nozzle (3) is correspondingly connected with engine cylinder body respectively, high-pressure nozzle (3)
Delivery outlet protrudes into engine cylinder body, runs near top dead center close to before ignition point in piston, high-pressure nozzle (3) Xiang Fadong
The compressed gas sprayed into compressed gas or high-pressure nozzle (3) in machine cylinder body sprays into engine cylinder with engine oil spout
Body.
2. the device that gasoline engine high pressure according to claim 1 sprays into gas, it is characterised in that: the high-pressure nozzle (3)
It is equipped with the first controller (4), first controller (4) connect with electronic control unit, for controlling high-pressure nozzle (3)
Opening and closing.
3. the device that gasoline engine high pressure according to claim 1 or 2 sprays into gas, it is characterised in that: the booster (1)
For high-pressure pump, for compressing the gas obtained from gas source, compressed gas is stored in pressurizer tank (2).
4. the device that gasoline engine high pressure according to claim 3 sprays into gas, it is characterised in that: the high-pressure pump is equipped with
Second controller (5), the second controller (5) connect with electronic control unit, for controlling the opening and closing of high-pressure pump.
5. the device that gasoline engine high pressure according to claim 1 or 2 sprays into gas, it is characterised in that: the gas source is warp
Air cleaner treated air.
6. the device that gasoline engine high pressure according to claim 1 or 2 sprays into gas, it is characterised in that: the gas source is storage
Gas tank, the built in gas tank have oxygen or inert gas.
7. a kind of engine, including engine cylinder body, it is characterised in that: the engine cylinder body is equipped with such as claim 1 ~ 6
Described in any item gasoline engine high pressures spray into the device of gas.
8. a kind of automobile, it is characterised in that: the automobile includes engine as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597794.9A CN109611192B (en) | 2018-12-26 | 2018-12-26 | Gasoline engine high pressure spouts gaseous device, engine and car into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597794.9A CN109611192B (en) | 2018-12-26 | 2018-12-26 | Gasoline engine high pressure spouts gaseous device, engine and car into |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611192A true CN109611192A (en) | 2019-04-12 |
| CN109611192B CN109611192B (en) | 2021-05-04 |
Family
ID=66011239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811597794.9A Active CN109611192B (en) | 2018-12-26 | 2018-12-26 | Gasoline engine high pressure spouts gaseous device, engine and car into |
Country Status (1)
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