CN106523227A - Multi-point ignition combustion system with double spraying devices - Google Patents
Multi-point ignition combustion system with double spraying devices Download PDFInfo
- Publication number
- CN106523227A CN106523227A CN201611167035.XA CN201611167035A CN106523227A CN 106523227 A CN106523227 A CN 106523227A CN 201611167035 A CN201611167035 A CN 201611167035A CN 106523227 A CN106523227 A CN 106523227A
- Authority
- CN
- China
- Prior art keywords
- spark plug
- cylinder
- fuel injector
- air
- gasoline 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.)
- Granted
Links
Classifications
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
- F02P15/02—Arrangements having two or more sparking plugs
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention relates to a multi-point ignition combustion system with double spraying devices. Double in-cylinder spraying systems consist of a lateral oil sprayer and a center oil sprayer; a multi-point ignition system consists of an intake side spark plug and an exhaust side spark plug; when a gasoline engine is operated with full load by 60-100%, in-cylinder fuel and air are mixed by a chemical air-fuel ratio; the spraying initial angle of the lateral oil sprayer is 290-310 degrees CA BTDC; the spraying initial angle of the center oil sprayer is 220-180 degrees CA BTDC; the lateral spraying and center spraying fuel quantity ratio is 2: 1-3: 1; and at the ignition moment, the intake side spark plug and the exhaust side spark plug are synchronously ignited to realize quick combustion and detonation inhibition. When the multi-point ignition combustion system is operated with high load in the gasoline engine, the detonation problem of an in-cylinder direct injection gasoline engine is inhibited, the in-cylinder combustion speed can be effectively accelerated, and the heat efficiency is improved; and when the gasoline engine is operated with part load, the high-efficiency thin double-area combustion is realized.
Description
Technical field
The present invention relates to a kind of a kind of multi-point spark burning of the double injection apparatus of vehicular engine combustion system, especially band
System.
Background technology
Vehicular petrol engine in-cylinder direct-jet technology can effectively lift the power per liter of electromotor, reduce complete-vehicle oil consumption and row
Put, be a kind of combustion control technology commonly used in vehicular engine field.But with the raising of electromotor reinforcing degree, pinking is asked
Topic is increasingly severe.Develop rational combustion control technology to suppress pinking, reduce early combustion, and further lift in-cylinder direct-jet gasoline
The target pursued in machine fuel efficiency, always automobile-used direct spray petrol engine in cylinder engine art.
The content of the invention
The present invention is to provide for a kind of multi-point spark combustion system of the double injection apparatus of band, for being effectively increased in-cylinder combustion
Speed, lifts the thermal efficiency;In gasoline engine operation at part load, efficient thin " two-region burning " is realized.
For achieving the above object, the technical scheme is that：A kind of multi-point spark combustion system of the double injection apparatus of band,
Including side fuel injector, in put fuel injector, air inlet side spark plug, exhaust side spark plug, by side fuel injector and in put fuel injector
Double ejecting system in composition cylinder, constitutes multi-point spark system by air inlet side spark plug and exhaust side spark plug, gasoline engine with 60% ~
When 100% full load is run, internal combustion oil of cylinder and air are mixed with stoichiometric air-fuel ratio, the side fuel injector injection starting
Angle be 290 °C of A ~ 310 °C A BTDC, in put fuel injector injection initial angle be 220 °C of A ~ 180 °C A BTDC, side spray and it is middle spray combustion
The ratio of oil mass is 2：1~3：1；Lighted a fire in time of ignition air inlet side spark plug and exhaust side spark plug simultaneously, realize deflagrate simultaneously
Suppress pinking.
When gasoline engine is to run below 60% full load, it is 1.2 ~ 1.5 to control internal combustion oil of cylinder and air excess air coefficient,
Realize that lean burn improves the thermal efficiency.Put fire of the fuel injector when fuel oil being sprayed with time of ignition in compression travel latter stage in described
The excess air coefficient of the gaseous mixture that Hua Sai is formed about is 0.8 ~ 1.
The invention has the beneficial effects as follows, when gasoline engine is to run below 60% full load, side fuel injector injection initial angle is
290 °C of A ~ 310 °C A BTDC, in put fuel injector and spray fuel oil in compression travel latter stage, this kind of mixing jetting mode defines fire
Efficient " two-region burning " pattern of other region lean burns in Hua Sai rich mixture burnings nearby, cylinder;Ignition timing air inlet side
Spark plug is lighted a fire first, and exhaust side spark plug is subsequently lighted a fire, and multi-point spark mode accelerates flame propagation velocity, realizes efficiently
Cylinder in overall lean burn.
The present invention in gasoline engine during heavy-duty service, while suppressing direct spray petrol engine in cylinder knock problem, Neng Gouyou
Effect increases in-cylinder combustion speed, lifts the thermal efficiency;In gasoline engine operation at part load, efficient thin " two-region combustion is realized
Burn ".
Description of the drawings
Fig. 1 is the multi-point spark combustion system schematic diagram of the double injection apparatus of band of the present invention.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of multi-point spark combustion system of the double injection apparatus of band, including air inlet pipe 1, air throttle 2, air inlet
Door 3, side fuel injector 4, in put fuel injector 5, air inlet side spark plug 6, exhaust side spark plug 7, exhaustor 8, three way catalytic converter
Device 9, exhaust valve 10, combustor 11, cylinder wall 12, piston 13, connecting rod 14.Fuel injector 5 is put by side fuel injector 4 with and constitute cylinder
Interior double ejecting system, constitutes multi-point spark system by air inlet side spark plug 6 and exhaust side spark plug 7.
When gasoline engine is run with 60% ~ 100% full load, side fuel injector 4 is in suction stroke 290 °C of A ~ 310 °C A of early stage
At BTDC crank angles spray fuel oil enter combustor 11, in put fuel injector（5）In 220 °C of A ~ 180 °C A of suction stroke latter stage
Fuel oil is sprayed at BTDC crank angles and enters combustor 11, the fuel oil for spraying twice is thoroughly mixed to form intimate mixing with air
Gas, is lighted a fire simultaneously in time of ignition air inlet side spark plug 6 and exhaust side spark plug 7, and flame quickly spreads all over whole combustor;Vapour
When oil machine is run below 60% full load, side fuel injector 4 is in suction stroke 290 °C of A ~ 310 °C A BTDC crank angles of early stage
Place injection fuel oil enter combustor 11, in put fuel injector 5 compression travel latter stage injection fuel oil enter combustor 11, middle spray fuel oil
It is formed about compared with rich mixture in spark plug with air, and remaining the cylinder inner region of side spray fuel oil with air near except spark plug
Weak mixture is formed, in compression travel latter stage, air inlet side spark plug 6 is lighted a fire first, and subsequent exhaust side spark plug 7 is lighted a fire, it is real
The efficient lean burn of existing " two-region burning " pattern.
When gasoline engine is to run below 60% full load, internal combustion oil of cylinder and air excess air coefficient are 1.2 ~ 1.5, are realized
Lean burn improves the thermal efficiency.
In put fuel injector compression travel latter stage spray fuel oil with time of ignition when spark plug be formed about it is denseer
Gaseous mixture（Excess air coefficient is 0.8 ~ 1）, side spray is 2 with the ratio of middle spray amount of fuel：1~3：1, this kind of mixing jetting mode shape
Efficient " two-region burning " pattern of other region lean burns in spark plug rich mixture burning nearby, cylinder;Ignition timing
Air inlet side fuel injector is lighted a fire first, and the dense mixed combustion around spark plug rises cylinder temperature and pressure, is exhaust side spark
Plug is subsequently lighted Weak mixture and creates condition, and dual ignition mode accelerates flame propagation velocity, realizes in efficient cylinder
Overall lean burn.
Claims (3)
1. a kind of multi-point spark combustion system of the double injection apparatus of band, including side fuel injector（4）, in put fuel injector（5）, air inlet
Side spark plug（6）, exhaust side spark plug（7）, by side fuel injector（4）Fuel injector is put with（5）Double ejecting system in composition cylinder,
By air inlet side spark plug（6）With exhaust side spark plug（7）Composition multi-point spark system, it is characterised in that：Gasoline engine with 60% ~
When 100% full load is run, internal combustion oil of cylinder and air are mixed with stoichiometric air-fuel ratio, the side fuel injector（4）Spray
Beginning angle be 290 °C of A ~ 310 °C A BTDC, in put fuel injector（5）Injection initial angle is 220 °C of A ~ 180 °C A BTDC, and side spray is with
The ratio of spray amount of fuel is 2：1~3：1；In time of ignition air inlet side spark plug（6）With exhaust side spark plug（7）Light a fire simultaneously, realize
Deflagrate simultaneously suppresses pinking.
2. the multi-point spark combustion system of the double injection apparatus of band according to claim 1, it is characterised in that：Gasoline engine with
When running below 60% full load, it is 1.2 ~ 1.5 to control internal combustion oil of cylinder and air excess air coefficient, realizes that lean burn is improved
The thermal efficiency.
3. the multi-point spark combustion system of the double injection apparatus of band according to claim 1, it is characterised in that：Spray is put in described
Oily device（5）The excess air of the gaseous mixture that the spark plug when fuel oil is sprayed with time of ignition in compression travel latter stage is formed about
Coefficient is 0.8 ~ 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167035.XA CN106523227B (en) | 2016-12-16 | 2016-12-16 | The multi-point spark combustion system of the double injection apparatus of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611167035.XA CN106523227B (en) | 2016-12-16 | 2016-12-16 | The multi-point spark combustion system of the double injection apparatus of band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523227A true CN106523227A (en) | 2017-03-22 |
| CN106523227B CN106523227B (en) | 2019-03-05 |
Family
ID=58340953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611167035.XA Active CN106523227B (en) | 2016-12-16 | 2016-12-16 | The multi-point spark combustion system of the double injection apparatus of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523227B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404129A (en) * | 2018-09-20 | 2019-03-01 | 上海交通大学 | Isothermal heat release circulation engine and its control method |
| CN112302825A (en) * | 2020-11-03 | 2021-02-02 | 湖南安福粉末冶金有限公司 | Valve seat structure of engine cylinder head |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327864A (en) * | 1993-03-08 | 1994-07-12 | Chrysler Corporation | Stratified-charge internal combustion engine with fuel injection and dual ignition |
| CN1546850A (en) * | 2003-12-08 | 2004-11-17 | 赖大鹏 | Dual fuel injector direct spraying and slide exhaust valve type turbine supercharging two-stroke petrol engine |
| CN101196153A (en) * | 2007-12-14 | 2008-06-11 | 天津大学 | Combustion system of spark-ignition engine |
| JP2009243366A (en) * | 2008-03-31 | 2009-10-22 | Toyota Motor Corp | Spark-assist diesel engine |
| CN102182608A (en) * | 2011-03-16 | 2011-09-14 | 奇瑞汽车股份有限公司 | Combustion system of gasoline direct injection engine and control method thereof |
| CN102588075A (en) * | 2012-03-13 | 2012-07-18 | 深圳市世纪经纬数据系统有限公司 | Cylinder internal multi-point injection internal combustion engine |
| CN105317573A (en) * | 2014-06-16 | 2016-02-10 | 上海汽车集团股份有限公司 | Fuel injection method for direct injection combustion system |
-
2016
- 2016-12-16 CN CN201611167035.XA patent/CN106523227B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327864A (en) * | 1993-03-08 | 1994-07-12 | Chrysler Corporation | Stratified-charge internal combustion engine with fuel injection and dual ignition |
| CN1546850A (en) * | 2003-12-08 | 2004-11-17 | 赖大鹏 | Dual fuel injector direct spraying and slide exhaust valve type turbine supercharging two-stroke petrol engine |
| CN101196153A (en) * | 2007-12-14 | 2008-06-11 | 天津大学 | Combustion system of spark-ignition engine |
| JP2009243366A (en) * | 2008-03-31 | 2009-10-22 | Toyota Motor Corp | Spark-assist diesel engine |
| CN102182608A (en) * | 2011-03-16 | 2011-09-14 | 奇瑞汽车股份有限公司 | Combustion system of gasoline direct injection engine and control method thereof |
| CN102588075A (en) * | 2012-03-13 | 2012-07-18 | 深圳市世纪经纬数据系统有限公司 | Cylinder internal multi-point injection internal combustion engine |
| CN105317573A (en) * | 2014-06-16 | 2016-02-10 | 上海汽车集团股份有限公司 | Fuel injection method for direct injection combustion system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404129A (en) * | 2018-09-20 | 2019-03-01 | 上海交通大学 | Isothermal heat release circulation engine and its control method |
| CN112302825A (en) * | 2020-11-03 | 2021-02-02 | 湖南安福粉末冶金有限公司 | Valve seat structure of engine cylinder head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106523227B (en) | 2019-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106050451B (en) | The control device of internal combustion engine | |
| US7104250B1 (en) | Injection spray pattern for direct injection spark ignition engines | |
| CN105275583B (en) | Double precombustion chamber combustion systems | |
| CN203978625U (en) | Engine system and fuel system | |
| CN109296446B (en) | Diesel micro-injection ignition natural gas engine combustion organization method with natural gas high-low pressure mixed injection and pre-combustion chamber | |
| CN104712445B (en) | Single fuel compression ignition with light the method for controlling combustion and internal combustion engine mixed | |
| CN103384757B (en) | Stratified charge port injection formula motor and method | |
| CN106414972B (en) | Control equipment for internal combustion engine | |
| CN104454190B (en) | Intra-cylinder direct injection double gas fuel ignition type combustion and control device | |
| CN101338694B (en) | Method for in-cylinder direct-injection gasoline engine stratified equivalent proportion combustion | |
| CN103375242B (en) | Internal combustion engine co-combustion control method | |
| CN103415691A (en) | Fuel injection device | |
| US20210040913A1 (en) | Method for operating a spark-ignition internal combustion engine | |
| CN104005862B (en) | Control method, system and the vehicle of internal combustion engine | |
| CN104005871A (en) | Ignition and combustion control method of lean or diluted combustion of engine | |
| CN104373207A (en) | Lean-combustion gas dual-fuel ignition type internal combustion engine system and control method | |
| CN103573398A (en) | Natural gas engine | |
| CN106523227B (en) | The multi-point spark combustion system of the double injection apparatus of band | |
| CN110145405A (en) | The double injected petrol lean-combustion engines of perforated plate type atomizer | |
| CN103867322A (en) | Control method for automobile and internal combustion engine | |
| JP4492399B2 (en) | In-cylinder direct injection spark ignition internal combustion engine control device and control method | |
| CN112282960A (en) | Multi-oil injector injection system of two-stroke marine low-speed machine with central oil injector | |
| WO2015009965A3 (en) | Ignition system for low grade synthesis gas | |
| CN105275585A (en) | Dual pre-chamber piston bowl system | |
| US20190107041A1 (en) | Internal Combustion Engine Control Device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210428 Address after: Room 315-316, A2 / F, Jianghai Zhihui garden, 266 New Century Avenue, high tech Zone, Nantong City, Jiangsu Province, 226399 Patentee after: Huanxin Automotive Technology (Nantong) Co.,Ltd. Address before: 200093 Shanghai military road, Yangpu District, No. 516 Patentee before: University of Shanghai for Science and Technology |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 274000 east of the south section of Gongye 5th Road, Yuncheng Economic Development Zone, Heze City, Shandong Province Patentee after: SHANDONG ZHONGTAI HONGYE NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: Room 315-316, A2 / F, Jianghai Zhihui garden, 266 New Century Avenue, high tech Zone, Nantong City, Jiangsu Province, 226399 Patentee before: Huanxin Automotive Technology (Nantong) Co.,Ltd. |
|
| TR01 | Transfer of patent right |