CN109555594A - Sequence insertion type compound combustion system overpower density diesel engine - Google Patents
Sequence insertion type compound combustion system overpower density diesel engine Download PDFInfo
- Publication number
- CN109555594A CN109555594A CN201910010184.2A CN201910010184A CN109555594A CN 109555594 A CN109555594 A CN 109555594A CN 201910010184 A CN201910010184 A CN 201910010184A CN 109555594 A CN109555594 A CN 109555594A
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- China
- Prior art keywords
- pressure
- pressure stage
- hiigh
- combustion chamber
- stage turbine
- 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
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 238000003780 insertion Methods 0.000 title claims abstract description 20
- 230000037431 insertion Effects 0.000 title claims abstract description 20
- 150000001875 compounds Chemical class 0.000 title claims abstract description 19
- 239000002828 fuel tank Substances 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005474 detonation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/04—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being subdivided into two or more chambers
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
- F02D23/02—Controlling engines characterised by their being supercharged the engines being of fuel-injection type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
- F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
- F02D33/006—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge depending on engine operating conditions, e.g. start, stop or ambient conditions
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The invention discloses sequence insertion type compound combustion system ultra high power density diesel engines, the sequence insertion type compound combustion system ultra high power density diesel engine includes common rail pipe, high-pressure oil pipe, cylinder cover, main chamber atomizer, exhaust pipe, air inlet pipe, intercooler, hiigh pressure stage turbine bypass valve, hiigh pressure stage turbine, hiigh pressure stage compressor by-passing valve, hiigh pressure stage compressor, lower pressure stage turbine, low-pressure stage compressor, cylinder body, low pressure oil supply pump, fuel tank, piston, main chamber, hydraulic valve, filter, subsidiary combustion chamber, subsidiary combustion chamber atomizer, high-pressure oil pipe, high-pressure fuel-feed pump, rail pressure valve, it is characterized in that, main chamber (18) is connected to subsidiary combustion chamber (21) by hydraulic valve (19)；Main chamber (18), hiigh pressure stage turbine (9) and high pressure co-rail system cooperate；ECU assigns instruction unpack hydraulic valve (19), subsidiary combustion chamber (21) and Two Stage Turbocharging System intervention, main chamber (18), subsidiary combustion chamber (21), hiigh pressure stage turbine (9), lower pressure stage turbine (12) and high pressure co-rail system cooperate；Sensor is housed on hydraulic valve (19), is regulated and controled by ECU.
Description
Technical field
The present invention relates to a kind of ultra high power density diesel engine, Electrocontrolled high-pressure common rail fuel injection system, more precisely,
It is that a kind of two-step supercharging system of sectional intervention, the sequence insertion type compound combustion system of two sets combustion systems compositions are characterized
Novel diesel mechanism type.
Background technique
Actively developing high-voltage electricity controlled fuel injection mainstream HPD high power density diesel engine key technology research is China's tank
The opportunity of armored vehicle power technology fast development, the on the one hand sequence insertion type compound combustion system based on power demand can
Guarantee very high power density when course continuation mileage under conventional operating condition, high reliability and fight operating condition；On the other hand it can use
The interim research achievement of HPD diesel technology realizes that the improvement to equipment on Active Duty power improves, and meets the amphibious plate armour of the high speed of a ship or plane
The power demand of Shock vehicle and the mobile operations for increasing substantially advocate war equipment and two wires vehicle.It can also be new type power
Engineering development establish solid technology, to meet the needs of following lightweight, high maneuver-attack platform are to power, solve China
" heart disease " problem of army material.In addition, can also be achieved conversion of the high-tech achievement to commercial market, by state, China
The demand analysis of people's economic market completely can be with according to index requests such as unit discharge capacity power, discharge, reliability, durabilities
The replacement for Novel diesel engine is developed and is improved to oneself improvement of batch production diesel engine performance.Therefore, according to engine function
The variation of rate is very important using high-voltage electricity controlled fuel injection mainstream high power density technology.
Summary of the invention
Combustion instability, constant volume combustion when the present invention is solution poor reliability of the existing technology, works near detonation pressure
The technical issues of long duration constant pressure combustion under the detonation pressure of burning, provide a kind of sequence insertion type compound combustion system.
In order to solve the above technical problems, the present invention is achieved by the following technical scheme:
A kind of sequence insertion type compound combustion system of the present invention includes common rail pipe, high-pressure oil pipe, cylinder cover, main combustion
Burn room atomizer, exhaust pipe, air inlet pipe, intercooler, hiigh pressure stage turbine bypass valve, hiigh pressure stage turbine, hiigh pressure stage compressor bypass
Valve, hiigh pressure stage compressor, lower pressure stage turbine, low-pressure stage compressor, cylinder body, low pressure oil supply pump, fuel tank, piston, main chamber, liquid
Pressure valve, filter, subsidiary combustion chamber, subsidiary combustion chamber atomizer, high-pressure oil pipe, high-pressure fuel-feed pump, rail pressure valve, feature exist
In:
Sensor is housed on the hydraulic valve, is regulated and controled by ECU.
The main chamber is connected to subsidiary combustion chamber by hydraulic valve, and main chamber is single pressurization in middle low power period
Single unified combustion chamber operational mode；High power section, subsidiary combustion chamber intervention form double pressurization combined type combustion chambers and work.
Compared with prior art the beneficial effects of the present invention are:
1. sequence insertion type of a kind of sequence insertion type compound combustion system based on power demand of the present invention is compound
Combustion system, it is ensured that very high power density when course continuation mileage, high reliability under conventional operating condition and fight operating condition.
2. the fluid pressure type control system that a kind of sequence insertion type compound combustion system of the present invention uses, it is ensured that secondary
The reliability of combustion system access control.
3. a kind of sequence insertion type compound combustion system eddy cell type pair combustion system of the present invention introduces compression
Squish flow, combustion swirl can greatly improve the uniformity coefficient and burn rate of diesel engine gaseous mixture, while can significantly improve revolving speed
Adaptability.
Detailed description of the invention
The present invention will be further described below with reference to the drawings:
Fig. 1 is a kind of sequence insertion type compound combustion systematic schematic diagram of the present invention；
In figure: cold in 1. common rail pipe, 2. high-pressure oil pipe, 3. cylinder cover, 4. main chamber atomizer, 5. exhaust pipe, 6. air inlet pipe 7.
8. hiigh pressure stage turbine bypass valve of device, 9. hiigh pressure stage turbine, 10. 11. hiigh pressure stage compressor of hiigh pressure stage compressor by-passing valve, 12. low-pressure stage
13. low-pressure stage compressor of turbine, 14. cylinder body, 15. low pressure oil supply pumps 16. fuel tank, 17. piston, 18. main chamber, 19. hydraulic valve 20.
24. high-pressure fuel-feed pump of filter 21. subsidiary combustion chamber, 22. subsidiary combustion chamber atomizer, 23. high-pressure oil pipe, 25. rail pressure valve.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing:
As shown in Figure 1, pair combustion system is closed, with mainstream super high pressure-charging Electrocontrolled high-pressure direct-injection diesel when non-operational state
The work of machine mode, i.e. Accumulated Common Rail Injection System comprising 1. common rail pipe, 2. high-pressure oil pipe, 3. cylinder cover, 4. main burning
It is secondary that 14. cylinder body of room atomizer, 15. low pressure oil supply pumps 16. fuel tank, 17. piston, 18. main chamber, 19. hydraulic valve, 20. filter 21.
24. high-pressure fuel-feed pump of combustion chamber 22. subsidiary combustion chamber atomizer, 23. high-pressure oil pipe, can be used 4.0 pressure ratios, 23-16 compression ratio,
1.3 excess coefficients, it is contemplated that economy, thermic load and mechanical load limitation power per liter control are in 70kW/h or so；With setting
Detonation pressure threshold value and the acting frequency characterize power demand in cylinder, trigger secondary combustion system and Two Stage Turbocharging System intervention, pair burning
System includes the secondary oily rail of 19. hydraulic valves 21. hair, 22. subsidiary combustion chamber atomizer of combustion chamber 23.；Two-stage supercharging includes 5. exhaust pipes 6.
10. hiigh pressure stage compressor by-passing valve of air inlet pipe 7. intercooler, 8. hiigh pressure stage turbine bypass valve, 9. hiigh pressure stage turbine, 11. hiigh pressure stage pressure
12. lower pressure stage turbine of mechanism of qi, 13. low-pressure stage compressor.With two-stage supercharging, low compression ratio state run, can be used 5.0 pressure ratios,
12-10 compression ratio, 1.2 excess coefficients, to sufficiently promote power per liter under the conditions of close detonation pressure；When power demand decline is i.e. quick-fried
Two-step supercharging, secondary combustion system are cut out after pressure and the acting frequency to given threshold, are restored to single pressurization, single unified combustion chamber
Operating mode.
Claims (5)
1. sequence insertion type compound combustion system ultra high power density diesel engine, which is characterized in that the sequence insertion type is multiple
Combination burning system ultra high power density diesel engine includes common rail pipe (1), high-pressure oil pipe (2), cylinder cover (3), main chamber oil spout
Mouth (4), exhaust pipe (5), air inlet pipe (6), intercooler (7), hiigh pressure stage turbine bypass valve (8), hiigh pressure stage turbine (10), hiigh pressure stage
Compressor by-passing valve (101), hiigh pressure stage compressor (11), lower pressure stage turbine (12), low-pressure stage compressor (13), cylinder body (14),
Low pressure oil supply pumps (15), fuel tank (16), piston (17), main chamber (18), hydraulic valve (19), filter (20), subsidiary combustion chamber
(21), subsidiary combustion chamber atomizer (22), subsidiary combustion chamber high-pressure oil pipe (23), high-pressure fuel-feed pump (24), rail pressure valve (25).
2. sequence insertion type compound combustion system ultra high power density diesel engine described in accordance with the claim 1, is characterized in that, liquid
Pressure valve (19) is fixed on cylinder cover (3), and subsidiary combustion chamber atomizer (22) is fixed on subsidiary combustion chamber (21), main chamber oil spout
Mouth (4) is fixed on cylinder head (3), and main chamber atomizer (4) is connect by high-pressure oil pipe (2) with common rail pipe (1), pair burning
Room atomizer (22) is connected by high-pressure oil pipe (23) with high-pressure oil pump (24), low pressure fuel pump (15), fuel tank (16), filter
(20), high-pressure oil pump (24) is connected by high-pressure oil pipe, and high-pressure oil pump (24) is connect by high-pressure oil pipe with common rail pipe (1), into
Tracheae (6) and exhaust pipe (5) are fixed on cylinder head (3), intercooler (7), hiigh pressure stage compressor (11), low-pressure stage compressor
(13) it is connected by air inlet pipe (6), advanced compressor (11) is controlled by advanced compressor by-passing valve (10), high-pressure turbine stage
(9) it is connect with lower pressure stage turbines (12) by exhaust pipe (5), hiigh pressure stage turbine (9) is controlled by hiigh pressure stage turbine bypass valve (8)
System, when hiigh pressure stage turbine bypass valve (8) is closed, exhaust all flows through hiigh pressure stage turbine (9), then passes through lower pressure stage turbine
(12), hiigh pressure stage by-passing valve (8) is gradually opened, so that portion discharge flows directly into low-pressure stage whirlpool around hiigh pressure stage turbine (9)
It takes turns (12).
3. sequence insertion type compound combustion system ultra high power density diesel engine described in accordance with the claim 1, is characterized in that, institute
The sequence insertion type compound combustion system stated includes main chamber (16), subsidiary combustion chamber (21), hydraulic valve (19), main chamber
(18) it is connected to subsidiary combustion chamber (21) by hydraulic valve (19).
4. sequence insertion type compound combustion system ultra high power density diesel engine described in accordance with the claim 1, is characterized in that, institute
Main chamber (16), hiigh pressure stage turbine (9) and the high pressure co-rail system stated cooperate；Main chamber (18) and subsidiary combustion chamber
(21) it is connected to by hydraulic valve (19), ECU is assigned instruction unpack hydraulic valve (19), and subsidiary combustion chamber (21) and Two Stage Turbocharging System are situated between
Enter, main chamber (16), subsidiary combustion chamber (21), hiigh pressure stage turbine (9), lower pressure stage turbine (12) and high pressure co-rail system collaboration
Work.
5. sequence insertion type compound combustion system ultra high power density diesel engine described in accordance with the claim 1, is characterized in that, institute
Sensor is housed on the hydraulic valve (19) stated, is regulated and controled by ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010184.2A CN109555594A (en) | 2019-01-04 | 2019-01-04 | Sequence insertion type compound combustion system overpower density diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010184.2A CN109555594A (en) | 2019-01-04 | 2019-01-04 | Sequence insertion type compound combustion system overpower density diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555594A true CN109555594A (en) | 2019-04-02 |
Family
ID=65872553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910010184.2A Pending CN109555594A (en) | 2019-01-04 | 2019-01-04 | Sequence insertion type compound combustion system overpower density diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555594A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110807253A (en) * | 2019-10-29 | 2020-02-18 | 山东师范大学 | Construction method, device and application of dynamic scheduling model for operation cycle of high-pressure oil pump |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150545A (en) * | 1976-12-10 | 1979-04-24 | Honda Giken Kogyo Kabushiki Kaisha | Supercharged engine having main and auxiliary combustion chambers |
| US4696270A (en) * | 1985-02-22 | 1987-09-29 | Fev Forschungsgesellschaft Fur Energietechnik Und Verbrennungsmotoren Mbh | Combustion process for internal combustion engine |
| JPH08284709A (en) * | 1995-04-14 | 1996-10-29 | Toyota Motor Corp | Diesel engine |
| JPH094459A (en) * | 1995-06-21 | 1997-01-07 | Isuzu Ceramics Kenkyusho:Kk | Four-cycle engine having auxiliary chamber |
| JP2001317360A (en) * | 2000-05-01 | 2001-11-16 | Shigeru Nagano | Diesel engine |
| US20030041836A1 (en) * | 2001-08-30 | 2003-03-06 | Southwest Research Institute | Multi-zone combustion chamber and method for combustion control in compression-ignited reciprocating engines |
| CN101319628A (en) * | 2007-06-05 | 2008-12-10 | 许凡 | External compression type two-stroke engine |
| JP2012172657A (en) * | 2011-02-24 | 2012-09-10 | Mitsubishi Heavy Ind Ltd | Auxiliary-combustion-chamber type spark-ignition gas-engine |
| CN107905920A (en) * | 2017-09-30 | 2018-04-13 | 天津大学 | A kind of apparatus and method that supercharged diesel engine discharge is reduced based on air inlet Composition Control |
| CN209458016U (en) * | 2019-01-04 | 2019-10-01 | 吉林大学 | Sequential intervening compound combustion system diesel engine |
-
2019
- 2019-01-04 CN CN201910010184.2A patent/CN109555594A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150545A (en) * | 1976-12-10 | 1979-04-24 | Honda Giken Kogyo Kabushiki Kaisha | Supercharged engine having main and auxiliary combustion chambers |
| US4696270A (en) * | 1985-02-22 | 1987-09-29 | Fev Forschungsgesellschaft Fur Energietechnik Und Verbrennungsmotoren Mbh | Combustion process for internal combustion engine |
| JPH08284709A (en) * | 1995-04-14 | 1996-10-29 | Toyota Motor Corp | Diesel engine |
| JPH094459A (en) * | 1995-06-21 | 1997-01-07 | Isuzu Ceramics Kenkyusho:Kk | Four-cycle engine having auxiliary chamber |
| JP2001317360A (en) * | 2000-05-01 | 2001-11-16 | Shigeru Nagano | Diesel engine |
| US20030041836A1 (en) * | 2001-08-30 | 2003-03-06 | Southwest Research Institute | Multi-zone combustion chamber and method for combustion control in compression-ignited reciprocating engines |
| CN101319628A (en) * | 2007-06-05 | 2008-12-10 | 许凡 | External compression type two-stroke engine |
| JP2012172657A (en) * | 2011-02-24 | 2012-09-10 | Mitsubishi Heavy Ind Ltd | Auxiliary-combustion-chamber type spark-ignition gas-engine |
| CN107905920A (en) * | 2017-09-30 | 2018-04-13 | 天津大学 | A kind of apparatus and method that supercharged diesel engine discharge is reduced based on air inlet Composition Control |
| CN209458016U (en) * | 2019-01-04 | 2019-10-01 | 吉林大学 | Sequential intervening compound combustion system diesel engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110807253A (en) * | 2019-10-29 | 2020-02-18 | 山东师范大学 | Construction method, device and application of dynamic scheduling model for operation cycle of high-pressure oil pump |
| CN110807253B (en) * | 2019-10-29 | 2023-03-31 | 山东师范大学 | Method and device for constructing dynamic scheduling model of operation cycle of high-pressure oil pump and application |
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| PB01 | Publication | ||
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Application publication date: 20190402 |