CN106837573A - A kind of air-fuel ratio regulation system with parking function - Google Patents
A kind of air-fuel ratio regulation system with parking function Download PDFInfo
- Publication number
- CN106837573A CN106837573A CN201710023877.6A CN201710023877A CN106837573A CN 106837573 A CN106837573 A CN 106837573A CN 201710023877 A CN201710023877 A CN 201710023877A CN 106837573 A CN106837573 A CN 106837573A
- Authority
- CN
- China
- Prior art keywords
- air
- cylinder
- connecting tube
- tube road
- engine
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
Abstract
The invention discloses a kind of air-fuel ratio regulation system with parking function, including engine, injection pump, regulating arm, switch plate, cylinder, controller and compressed air system.The side of injection pump is provided with oil spout tooth bar, and oil spout tooth bar is connected by linkage with regulating arm.Switch plate is installed on regulating arm, and regulating arm is provided with signal transducer.Cylinder is arranged at the top position of regulating arm, and the inner chamber of cylinder is provided with piston and piston rod.Compressed air system is provided with the first air connecting tube road and the second air connecting tube road and the magnetic valve being respectively equipped with.First air connecting tube road is connected with the main air inlet pipe for setting, and main air inlet pipe is respectively provided on two sides with engine air inlet tube and cylinder air inlet pipe.The second air connecting tube road of connection connects with the upper end of cylinder in compressed air system.The present invention can solve the problems, such as diesel engine starting and suddenly loading during because of the insufficient over-emitting black exhaust of fuel combustion, while the function of stopping in emergency of engine can be realized.
Description
Technical field
The present invention relates to fuel feed control, and in particular to a kind of air-fuel ratio regulation system with parking function.
Background technology
In several seconds or even more than ten seconds that high-power diesel engine starts, the supply of fuel can be caused big, and the supply of air is not
Foot produces air-fuel ratio imbalance, final fuel combustion not exclusively, and to produce substantial amounts of black smoke.Such black smoke situation is uprushed in load
When also occur.
Such phenomenon, is not only the waste of fuel, and imperfect combustion fuel oil can be attached on discharge duct, long
Phase accumulates stroke dirt, it is difficult to remove, and accumulation over time may produce influence to the performance of engine.
Meanwhile, the emergency stopping system of high-power diesel engine is general to use speed regulator as emergency stop (apparatus), if speed governing
Device failure then makes engine sudden-stop function fail.
The content of the invention
For above-mentioned deficiency, it is an object of the present invention to provide a kind of air-fuel ratio regulation system with parking function, can solve
Certainly diesel engine starting and suddenly loading during because of the problem of the insufficient over-emitting black exhaust of fuel combustion, while engine can be realized
Stop in emergency function.
To achieve the above object, technical scheme provided by the present invention is：
A kind of air-fuel ratio regulation system with parking function, including engine, injection pump, regulating arm, switch plate, cylinder,
Controller and compressed air system.The injection pump is connected with shower nozzle in carrying out oil spout in the engine, the injection pump
Side is mobilizable to be provided with oil spout tooth bar, and the free end of the oil spout tooth bar is connected by linkage with the regulating arm.
The switch plate is installed on the regulating arm, and the regulating arm is provided with signal transducer, and the signal transducer and institute
Switch plate electric connection is stated, while the switch plate is electrically connected with the controller.The cylinder is arranged at the regulating arm
Top position at, and the inner chamber of cylinder is provided with piston and the piston rod being connected to below piston.In the compressed air system
It is provided with the first air connecting tube road and the second air connecting tube road, and the first air connecting tube road and the second air connecting tube
The magnetic valve being electrically connected with controller is respectively equipped with road.The first air connecting tube road be arranged at engine and cylinder
Between main air inlet pipe connection, and main air inlet pipe is respectively provided on two sides with the engine charge connected with engine and cylinder lower end
Pipe and cylinder air inlet pipe.The other end in the second air connecting tube road connected in the compressed air system is upper with the cylinder
End connection.
Preferably, booster pump, and first sky are provided between the first air connecting tube road and the main air inlet pipe
Gas connecting pipe is connected with booster pump, and the lower end of booster pump is provided with escaping pipe and is connected with the main air inlet pipe.
Preferably, piston lower section of the one end of the cylinder intake pipe in the cylinder, the second air connection
The top of piston of the one end of pipeline in the cylinder.
Preferably, the oil spout tooth bar governor motion external with is connected, and external adjustment mechanism will increase oil spout tooth bar
Lattice number so that increase distributive value.
Preferably, the linkage is multi-connecting-rod mechanism.
Beneficial effects of the present invention are：
1st, a kind of air-fuel ratio regulation system with parking function of the present invention when diesel engine starting or uprush load when, can
It is rotated up by regulating arm and plunger rod contacts, and is beaten by the magnetic valve on the first air connecting tube road of controller regulation
Open, the compressed air in compressed air system is entered by engine air inlet tube again by the first air connecting tube road and booster pump to be sent out
Tonifying Qi is completed in motivation, the fuel oil of injection is burnt completely, improve fuel availability, solve the problems, such as over-emitting black exhaust,
Reduce the dirt in diesel exhaust passage.
2nd, when controller receive that engine master control system sends stop in emergency command signal after, control immediately second empty
Magnetic valve on gas connecting pipe is opened, and increases the air pressure of cylinder upper end, and then control piston and piston rod to move downward and drive
Dynamic regulating arm is rotated down, and then pulls oil spout tooth bar to 0 graduation mark by linkage, cuts off oil spout oil pump feed, is reached tight
The purpose of jerk car, improves the security performance of automobile.
Below in conjunction with the accompanying drawings with embodiment, the present invention is further described.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of the air-fuel ratio regulation system with parking function of the present invention.
Each description of reference numerals is as follows in figure.
Engine -1, injection pump -2, oil spout tooth bar -2a, regulating arm -3, switch plate -4, cylinder -5, piston -
5a, piston rod -5b, controller -6, compressed air system -7, linkage -8, the first air connecting tube road -9, second
Air connecting tube road -10, magnetic valve -11, main air inlet pipe -12, engine air inlet tube -12a, cylinder intake pipe -12b, increasing
Press pump -13, escaping pipe -13a.
Specific embodiment
To describe technology contents of the invention, structural feature, the objects and the effects in detail, below in conjunction with implementation method
And coordinate accompanying drawing to be explained in detail.
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
The present invention is stated to be described with simplified, must be with specific orientation, with specific rather than the device or element for indicating or imply meaning
Azimuth configuration and operation, therefore be not considered as limiting the invention.
Refer to Fig. 1, a kind of air-fuel ratio regulation system with parking function, including engine 1, injection pump 2, regulating arm 3,
Switch plate 4, cylinder 5, controller 6 and compressed air system 7.The injection pump 2 is connected with shower nozzle and is carried out in the engine 1
Oil spout, the side of the injection pump 2 is mobilizable to be provided with oil spout tooth bar 2a, the size for controlling distributive value.And the oil spout
The free end of tooth bar 2a is connected by linkage 8 with the regulating arm 3, and the switch plate 4 is installed on the regulating arm 3,
And the regulating arm 3 is provided with signal transducer, and the signal transducer is electrically connected with the switch plate 4, while described open
Piece 4 is closed to be electrically connected with the controller 6.The cylinder 5 is arranged at the top position of the regulating arm 3, and cylinder 5 is interior
The up and down motion of the piston rod 5b that chamber is provided with piston 5a and is connected to below piston 5a, piston rod 5b can control and the regulating arm
The contact overlap joint of switch plate 4 on 3.The compressed air system 7 is provided with the first air connecting tube road 9 and the second air connecting tube
Road 10, for supplement air in engine 1, while for the motion that air adjustment piston rod 5b is injected in cylinder 5.And institute
The magnetic valve 11 for being respectively equipped with the first air connecting tube road 9 and the second air connecting tube road 10 and being electrically connected with controller 6 is stated,
For the air that electrically control compressed air system 7 is provided.The first air connecting tube road 9 is with to be arranged at engine 1 gentle
Main air inlet pipe 12 between cylinder 5 is connected, and main air inlet pipe 12 is respectively provided on two sides with what is connected with engine 1 and the lower end of cylinder 5
Engine air inlet tube 12a and cylinder air inlet pipe 12b, the structure design is used for while air is provided to engine, to cylinder 5
Lower end air is provided, increase the air pressure below piston 5a, the air pressure below piston 5a more than upper end air pressure when, will promote
Piston 5a and piston rod 5b are moved upwards, piston rod 5b is disengaged with switch plate 4, control magnetic valve 11 to close by controller 6
Close, compressed air system 7 stops supply.The other end in the second air connecting tube road 10 connected in the compressed air system 7
Upper end with the cylinder 5 connects, the air pressure for increasing the upper end of cylinder 5, and then controls piston 5a and piston rod 5b to transport downwards
Move and drive regulating arm 3 to rotate down, and then the graduation marks of oil spout tooth bar 2a to 0 are pulled by linkage 8, cut off injection pump 2
Fuel feeding, reaches the purpose stopped in emergency.
Further, booster pump 13 is provided between the first air connecting tube road 9 and the main air inlet pipe 12, and it is described
First air connecting tube road 9 is connected with booster pump 13, and the lower end of booster pump 13 is provided with escaping pipe 13a and connects with the main air inlet pipe 12
It is logical.
Specifically, piston 5a lower section of the one end of the cylinder intake pipe 12b in the cylinder 5, described second is empty
The top of piston 5a of the one end of gas connecting pipe 10 in the cylinder 5, and then can be by cylinder intake pipe 12b and second
The air in air connecting tube road 10 controls the up and down motion of piston 5a and piston rod 5b.
In the present embodiment, the governor motion oil spout tooth bar 2a external with is connected, when diesel engine starting or prominent
When increasing load, external adjustment mechanism will increase the lattice number of oil spout tooth bar 2a and then increase distributive value.
In the present embodiment, the linkage 8 is multi-connecting-rod mechanism.
A kind of air-fuel ratio regulation System Working Principle with parking function of the present invention：When diesel engine starting or load of uprushing
When, external adjustment mechanism will increase the lattice number of oil spout tooth bar 2a and then increase distributive value, and oil spout tooth bar 2a is inwardly moved, and
Regulating arm 3 is driven to be rotated up and realize that switch plate 4 is contacted with the piston rod 5b by linkage 8, now sensing
Device closing of circuit, and controller 6 is passed the signal along to, the magnetic valve 11 dozens on the first air connecting tube road 9 of the control of controller 6
Open, the compressed air in compressed air system 7 is by the first air connecting tube road 9 and booster pump 13 again by engine air inlet tube
12a enters completion tonifying Qi in engine 1, the fuel oil of injection is burnt completely, that is, solve the problems, such as over-emitting black exhaust.Press simultaneously
Contracting air provides air by cylinder intake pipe 12b to the lower end of cylinder 5, increases the air pressure below piston 5a, when under piston 5a
When the air pressure of side is more than the air pressure of upper end, piston 5a and piston rod 5b will be promoted to move upwards, piston rod 5b is taken off with switch plate 4
From contact, the circuit of signal transducer disconnects, and controls magnetic valve 11 to close by controller 6, and compressed air system 7 stops supply.
Meanwhile, when controller 6 receive that engine master control system sends stop in emergency command signal after, control the second air to connect immediately
Magnetic valve 11 on adapter road 10 is opened, and increases the air pressure of the upper end of cylinder 5, and then control piston 5a and piston rod 5b to move downward
And drive regulating arm 3 to rotate down, and then pull the graduation marks of oil spout tooth bar 2a to 0, cut-out injection pump 2 to supply by linkage 8
Oil, reaches the purpose stopped in emergency, and improves the security performance of automobile.
In sum, a kind of air-fuel ratio regulation system with parking function of the present invention works as diesel engine starting or load of uprushing
When, can be rotated up being contacted with piston rod 5b by regulating arm 3, and by controller 6 adjust the first air connecting tube road 9 on
Magnetic valve 11 open, the compressed air in compressed air system 7 is by the first air connecting tube road 9 and booster pump 13 again by sending out
Motivation air inlet pipe 12a enters completion tonifying Qi in engine 1, the fuel oil of injection is burnt completely, improves fuel availability,
Over-emitting black exhaust is solved the problems, such as, the dirt in diesel exhaust passage is reduced.When controller 6 receives engine master control system
After the command signal of stopping in emergency for sending, control the magnetic valve 11 on the second air connecting tube road 10 to open immediately, increase cylinder 5
The air pressure of upper end, and then control piston 5a and piston rod 5b to move downward and drive regulating arm 3 to rotate down, and then by connecting rod
Mechanism 8 pulls the graduation marks of oil spout tooth bar 2a to 0, cuts off the fuel feeding of injection pump 2, reaches the purpose stopped in emergency, and improves automobile
Security performance.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in specific embodiment disclosed and described above, to of the invention
Some modifications and changes should also be as falling into scope of the claims of the invention.Although additionally, being used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention, using with its
Same or analogous other devices, all fall in the scope of protection of the present invention.
Claims (5)
1. a kind of air-fuel ratio regulation system with parking function, it is characterised in that：Including engine (1), injection pump (2), regulation
Arm (3), switch plate (4), cylinder (5), controller (6) and compressed air system (7), the injection pump (2) be connected with shower nozzle in
Oil spout is carried out in the engine (1), the side of the injection pump (2) is mobilizable to be provided with oil spout tooth bar (2a), and the spray
The free end of oily tooth bar (2a) is connected by linkage (8) with the regulating arm (3), and the switch plate (4) is installed in described
On regulating arm (3), and the regulating arm (3) is provided with signal transducer, and the signal transducer is with the switch plate (4) electrically
Connection, while the switch plate (4) is electrically connected with the controller (6), the cylinder (5) is arranged at the regulating arm (3)
Top position at, and cylinder (5) the inner chamber piston rod (5b) that is provided with piston (5a) and is connected to below piston (5a), it is described
Compressed air system (7) is provided with the first air connecting tube road (9) and the second air connecting tube road (10), and first air
The magnetic valve (11) being electrically connected with controller (6), institute are respectively equipped with connecting pipe (9) and the second air connecting tube road (10)
State the first air connecting tube road (9) and connected with the main air inlet pipe (12) being arranged between engine (1) and cylinder (5), and master enters
The engine air inlet tube (12a) and cylinder that being respectively provided on two sides with of tracheae (12) connects with engine (1) and cylinder (5) lower end enter
Tracheae (12b), the other end and the cylinder in the second air connecting tube road (10) connected on the compressed air system (7)
(5) upper end connection.
2. a kind of air-fuel ratio regulation system with parking function as claimed in claim 1, it is characterised in that：The first air connection
Booster pump (13), and the first air connecting tube road (9) and booster pump are provided between pipeline (9) and the main air inlet pipe (12)
(13) connect, the lower end of booster pump (13) is provided with escaping pipe (13a) and is connected with the main air inlet pipe (12).
3. a kind of air-fuel ratio regulation system with parking function as claimed in claim 1, it is characterised in that：The cylinder intake pipe
Piston (5a) lower section of the one end of (12b) in the cylinder (5), one end of the second air connecting tube road (10) is located at
The top of the piston (5a) in the cylinder (5).
4. a kind of air-fuel ratio regulation system with parking function as claimed in claim 1, it is characterised in that：The oil spout tooth bar (2a)
The governor motion external with one is connected, and external adjustment mechanism will increase the lattice number of oil spout tooth bar (2a) and then increase distributive value.
5. a kind of air-fuel ratio regulation system with parking function as claimed in claim 1, it is characterised in that：The linkage (8)
It is multi-connecting-rod mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023877.6A CN106837573A (en) | 2017-01-13 | 2017-01-13 | A kind of air-fuel ratio regulation system with parking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023877.6A CN106837573A (en) | 2017-01-13 | 2017-01-13 | A kind of air-fuel ratio regulation system with parking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106837573A true CN106837573A (en) | 2017-06-13 |
Family
ID=59124947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710023877.6A Pending CN106837573A (en) | 2017-01-13 | 2017-01-13 | A kind of air-fuel ratio regulation system with parking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106837573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075577A (en) * | 2019-12-06 | 2020-04-28 | 陕西柴油机重工有限公司 | Method for reducing smoke value of diesel engine under sudden load |
| CN113364034A (en) * | 2021-06-11 | 2021-09-07 | 重庆普什机械有限责任公司 | Automatic control method and device for gas generator set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB467072A (en) * | 1935-12-30 | 1937-06-10 | Mitsubishi Heavy Ind Ltd | A device for automatically regulating the amount of fuel injection |
| GB619530A (en) * | 1946-07-03 | 1949-03-10 | Paxman & Co Ltd Davey | Improvements in or relating to internal combustion engine control mechanism |
| CN201835924U (en) * | 2010-09-02 | 2011-05-18 | 北京二七轨道交通装备有限责任公司 | Diesel engine and draw bar system thereof |
| CN102259699A (en) * | 2011-05-24 | 2011-11-30 | 武汉理工大学 | Microcontroller-based ship diesel main engine assisted jet control device |
| CN102562366A (en) * | 2012-01-13 | 2012-07-11 | 叶泽延 | Environmental-friendly fuel economizer for internal combustion engine |
-
2017
- 2017-01-13 CN CN201710023877.6A patent/CN106837573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB467072A (en) * | 1935-12-30 | 1937-06-10 | Mitsubishi Heavy Ind Ltd | A device for automatically regulating the amount of fuel injection |
| GB619530A (en) * | 1946-07-03 | 1949-03-10 | Paxman & Co Ltd Davey | Improvements in or relating to internal combustion engine control mechanism |
| CN201835924U (en) * | 2010-09-02 | 2011-05-18 | 北京二七轨道交通装备有限责任公司 | Diesel engine and draw bar system thereof |
| CN102259699A (en) * | 2011-05-24 | 2011-11-30 | 武汉理工大学 | Microcontroller-based ship diesel main engine assisted jet control device |
| CN102562366A (en) * | 2012-01-13 | 2012-07-11 | 叶泽延 | Environmental-friendly fuel economizer for internal combustion engine |
Non-Patent Citations (2)
| Title |
|---|
| 徐炳香 等: "副机Lambda控制器和气动马达启动故障分析" * |
| 虞忠: "试论Lambda控制器在船舶发电柴油机中的应用" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075577A (en) * | 2019-12-06 | 2020-04-28 | 陕西柴油机重工有限公司 | Method for reducing smoke value of diesel engine under sudden load |
| CN113364034A (en) * | 2021-06-11 | 2021-09-07 | 重庆普什机械有限责任公司 | Automatic control method and device for gas generator set |
| CN113364034B (en) * | 2021-06-11 | 2022-08-19 | 重庆普什新能源技术有限公司 | Automatic control method and device for gas generator set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104373232A (en) | Methods and systems for torque control | |
| CN102245875A (en) | Device and method for controlling timing at which ignition is stopped when internal combustion engine becomes stopped | |
| CN106285966A (en) | For the engine braking methods that vehicle is slow | |
| CN106837573A (en) | A kind of air-fuel ratio regulation system with parking function | |
| CN201858032U (en) | Electric control system for high-power low-speed diesel engine | |
| CN201696151U (en) | Fuel supply device of dual-fuel engine | |
| CN103382929A (en) | Gasoline power air compressor | |
| CN202789149U (en) | Air intake system of automobile engine | |
| CN203114434U (en) | High-pressure common-rail diesel vehicle double fuel supplying device | |
| CN206600205U (en) | The intelligent engine electric-controlled gas burning system of multicylinder four-stroke | |
| CN208057248U (en) | A kind of LNG loading machines delayed startup device and the loading machine using the device | |
| CN201025113Y (en) | Gasoline engine of electrical spraying two-stroke changed from electrical spraying four-stroke | |
| CN103032156A (en) | Expansion working medium energy multilevel utilization device for internal combustion engine and using method thereof | |
| CN206801748U (en) | Automatically controlled gas starting | |
| JP7026679B2 (en) | Reciprocating internal combustion engine with a device to increase torque | |
| CN101922362A (en) | Piston four stroke engine | |
| CN102162424A (en) | Piston intake hydraulic free piston engine | |
| CN108119244A (en) | A kind of LNG loading machines delayed startup device and the loading machine using the device | |
| CN204783295U (en) | Car diesel oil, two fuel supply system of natural gas | |
| CN202091033U (en) | Gas direct injection engine | |
| CN211623587U (en) | Common rail injection type diesel engine with fuel oil supercharging device | |
| CN107989728A (en) | The automatically controlled injection system of the adjustable low speed two stroke diesel engine of injection starting pressure | |
| CN205936844U (en) | Miller cycle diesel oil natural gas dual -fuel engine | |
| CN204877671U (en) | Compression ignite formula internal -combustion engine changes automatically controlled high -pressure gas power device into | |
| CN203441699U (en) | Gasoline-powered air compressor |
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 |