CN109555594A - 顺序介入式复合燃烧***超功率密度柴油机 - Google Patents
顺序介入式复合燃烧***超功率密度柴油机 Download PDFInfo
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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
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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
- 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
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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
- 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
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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
- 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
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- 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
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- 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
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- 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
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Abstract
本发明公开了顺序介入式复合燃烧***超高功率密度柴油机,所述的顺序介入式复合燃烧***超高功率密度柴油机包括共轨管、高压油管、汽缸盖、主燃烧室喷油嘴、排气管、进气管、中冷器、高压级涡轮旁通阀、高压级涡轮、高压级压气机旁通阀、高压级压气机、低压级涡轮、低压级压气机、缸体、低压供油泵、油箱、活塞、主燃烧室、液压阀、滤清器、副燃烧室、副燃烧室喷油嘴、高压油管、高压供油泵、轨道压力阀,其特征在于,主燃烧室(18)与副燃烧室(21)通过液压阀(19)连通;主燃烧室(18)、高压级涡轮(9)以及高压共轨***协同工作;ECU下达指令打开液压阀(19),副燃烧室(21)及二级增压***介入,主燃烧室(18)、副燃烧室(21)、高压级涡轮(9)、低压级涡轮(12)以及高压共轨***协同工作;液压阀(19)上装有传感器,通过ECU调控。
Description
技术领域
本发明涉及一种超高功率密度柴油机,电控高压共轨燃油喷射***,更确切的说,是一种可分段介入的两级增压***、两套燃烧***构成的顺序介入式复合燃烧***为特征的新型柴油机构型。
背景技术
积极开展高压电控燃油喷射主流HPD高功率密度柴油机关键技术研究是我国坦克装甲车辆动力技术快速发展的契机,一方面基于功率需求的顺序介入式复合燃烧***,可保证常规工况下的续航里程、高可靠性及战斗工况时的极高功率密度;另一方面可以利用HPD柴油机技术的阶段性研究成果实现对现役装备动力的改进提高,满足高航速两栖装甲突击车的功率需求和大幅度提高主战装备和二线车辆的机动作战能力。还可以为新型动力的工程研制奠定坚实的技术,以满足未来轻量化、高机动突击平台对动力的需求,解决我国陆军装备的“心脏病”问题。此外,还可实现高新技术成果向民用市场的转化,通过对我国国民经济市场的需求分析,根据对单位排量功率、排放、可靠性、耐久性等指标要求,完全可以用于新型柴油机的换代研制和对己批量生产柴油机性能的改进提高。因此,根据发动机功率的变化,采用高压电控燃油喷射主流高功率密度技术是非常必要的。
发明内容
本发明为解决现有技术存在的可靠性差、在爆压附近工作时燃烧不稳定、定容燃烧的爆压下的长持续期定压燃烧的技术问题,提供了一种顺序介入式复合燃烧***。
为解决上述技术问题,本发明是采用如下技术方案实现的:
本发明所述的一种顺序介入式复合燃烧***包括共轨管、高压油管、汽缸盖、主燃烧室喷油嘴、排气管、进气管、中冷器、高压级涡轮旁通阀、高压级涡轮、高压级压气机旁通阀、高压级压气机、低压级涡轮、低压级压气机、缸体、低压供油泵、油箱、活塞、主燃烧室、液压阀、滤清器、副燃烧室、副燃烧室喷油嘴、高压油管、高压供油泵、轨道压力阀,其特征在于:
所述的液压阀上装有传感器,通过ECU调控。
所述的主燃烧室与副燃烧室通过液压阀连通,主燃烧室在中低功率段是单一增压单一统一燃烧室工作模式;高功率段,副燃烧室介入,形成双增压复合式燃烧室进行工作。
与现有技术相比本发明的有益效果是:
1.本发明所述的一种顺序介入式复合燃烧***基于功率需求的顺序介入式复合燃烧***,可保证常规工况下的续航里程、高可靠性及战斗工况时的极高功率密度。
2.本发明所述的一种顺序介入式复合燃烧***采用的液压式控制***,可保证副燃烧***接入控制的可靠性。
3.本发明所述的一种顺序介入式复合燃烧***涡流室式副燃烧***引入了压缩挤流、燃烧涡流可极大改善柴油机混合气的均匀程度和燃烧速率,同时可大幅度改善转速的适应性。
附图说明
下面结合附图对本发明作进一步的说明:
图1是本发明所述的一种顺序介入式复合燃烧***原理图;
图中:1.共轨管2.高压油管3.汽缸盖4.主燃烧室喷油嘴5.排气管6.进气管7.中冷器8.高压级涡轮旁通阀9.高压级涡轮10.高压级压气机旁通阀11.高压级压气机12.低压级涡轮13.低压级压气机14.缸体15.低压供油泵16.油箱17.活塞18.主燃烧室19.液压阀20.滤清器21.副燃烧室22.副燃烧室喷油嘴23.高压油管24.高压供油泵25.轨道压力阀。
具体实施方式
下面结合附图对本发明作详细的描述:
如图1所示,非作战状态时副燃烧***关闭、以主流超高增压电控高压直喷式柴油机模式工作,即蓄压式共轨燃油喷射***,其包括1.共轨管2.高压油管3.汽缸盖4.主燃烧室喷油嘴14.缸体15.低压供油泵16.油箱17.活塞18.主燃烧室19.液压阀20.滤清器21.副燃烧室22.副燃烧室喷油嘴23.高压油管24.高压供油泵,可采用4.0压力比、23-16压缩比、1.3过量系数,考虑到经济性、热负荷及机械负荷限制升功率控制在70kW/h左右;以设定的缸内爆压阈值和做功频次即表征功率需求,触发副燃烧***及二级增压***介入,副燃烧***包括19.液压阀21.发燃烧室22.副燃烧室喷油嘴23.副油轨;二级增压包括5.排气管6.进气管7.中冷器8.高压级涡轮旁通阀9.高压级涡轮10.高压级压气机旁通阀11.高压级压气机12.低压级涡轮13.低压级压气机。以二级增压、低压缩比状态运行,可采用5.0压比、12-10压缩比、1.2过量系数,从而在相近爆压条件下充分提升升功率;当功率需求下降即爆压及做功频次至设定阈值后两级增压、副燃烧***切出,恢复至单一增压、单一统一燃烧室工作模式。
Claims (5)
1.顺序介入式复合燃烧***超高功率密度柴油机,其特征在于,所述的顺序介入式复合燃烧***超高功率密度柴油机包括共轨管(1)、高压油管(2)、汽缸盖(3)、主燃烧室喷油嘴(4)、排气管(5)、进气管(6)、中冷器(7)、高压级涡轮旁通阀(8)、高压级涡轮(10)、高压级压气机旁通阀(101)、高压级压气机(11)、低压级涡轮(12)、低压级压气机(13)、缸体(14)、低压供油泵(15)、油箱(16)、活塞(17)、主燃烧室(18)、液压阀(19)、滤清器(20)、副燃烧室(21)、副燃烧室喷油嘴(22)、副燃烧室高压油管(23)、高压供油泵(24)、轨道压力阀(25)。
2.按照权利要求1所述的顺序介入式复合燃烧***超高功率密度柴油机,特征在于,液压阀(19)固定在汽缸盖(3)上,副燃烧室喷油嘴(22)固定在副燃烧室(21)上,主燃烧室喷油嘴(4)固定在气缸盖(3)上,主燃烧室喷油嘴(4)通过高压油管(2)与共轨管(1)连接,副燃烧室喷油嘴(22)通过高压油管(23)与高压油泵(24)相连,低压油泵(15)、油箱(16)、滤清器(20)、高压油泵(24)通过高压油管连接,高压油泵(24)通过高压油管与共轨管(1)连接,进气管(6)与排气管(5)固定在气缸盖(3)上,中冷器(7)、高压级压气机(11)、低压级压气机(13)通过进气管(6)连接,高级压气机(11)通过高级压气机旁通阀(10)控制,高压级涡轮机(9)与低压级涡轮机(12)通过排气管(5)连接,高压级涡轮(9)通过高压级涡轮旁通阀(8)控制,高压级涡轮旁通阀(8)关闭时,排气全部流经高压级涡轮(9),然后通过低压级涡轮(12),高压级旁通阀(8)逐渐打开,使得部分排气绕过高压级涡轮(9)而直接流入低压级涡轮(12)。
3.按照权利要求1所述的顺序介入式复合燃烧***超高功率密度柴油机,特征在于,所述的顺序介入式复合燃烧***包括主燃烧室(16)、副燃烧室(21)、液压阀(19),主燃烧室(18)与副燃烧室(21)通过液压阀(19)连通。
4.按照权利要求1所述的顺序介入式复合燃烧***超高功率密度柴油机,特征在于,所述的主燃烧室(16)、高压级涡轮(9)以及高压共轨***协同工作;主燃烧室(18)与副燃烧室(21)通过液压阀(19)连通,ECU下达指令打开液压阀(19),副燃烧室(21)及二级增压***介入,主燃烧室(16)、副燃烧室(21)、高压级涡轮(9)、低压级涡轮(12)以及高压共轨***协同工作。
5.按照权利要求1所述的顺序介入式复合燃烧***超高功率密度柴油机,特征在于,所述的液压阀(19)上装有传感器,通过ECU调控。
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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 (zh) * | 2007-06-05 | 2008-12-10 | 许凡 | 外压缩式二冲程发动机 |
JP2012172657A (ja) * | 2011-02-24 | 2012-09-10 | Mitsubishi Heavy Ind Ltd | 副室式火花点火ガスエンジン |
CN107905920A (zh) * | 2017-09-30 | 2018-04-13 | 天津大学 | 一种基于进气成分控制降低增压柴油机排放的装置和方法 |
CN209458016U (zh) * | 2019-01-04 | 2019-10-01 | 吉林大学 | 顺序介入式复合燃烧***柴油机 |
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CN110807253A (zh) * | 2019-10-29 | 2020-02-18 | 山东师范大学 | 高压油泵的运转周期动态调度模型构建方法、装置及应用 |
CN110807253B (zh) * | 2019-10-29 | 2023-03-31 | 山东师范大学 | 高压油泵的运转周期动态调度模型构建方法、装置及应用 |
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