CN103470421B - A kind of pneumatic start up system of motor car engine - Google Patents
A kind of pneumatic start up system of motor car engine Download PDFInfo
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- CN103470421B CN103470421B CN201310379078.4A CN201310379078A CN103470421B CN 103470421 B CN103470421 B CN 103470421B CN 201310379078 A CN201310379078 A CN 201310379078A CN 103470421 B CN103470421 B CN 103470421B
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Abstract
A kind of pneumatic start up system of motor car engine, for reducing the disadvantageous effect because engine frequent starting causes to motor and store battery. It comprises heat exchanger, water-jet, high pressure steam storage tank and steam cylinder, described heat exchanger is connected in the exhaust system pipeline of engine, dress joined by described water-jet and heat exchanger, described high pressure steam storage tank is connected with heat exchanger by high pressure steam storage tank inlet mouth, it is also connected with the inlet mouth of steam cylinder by high pressure steam storage tank air outlet, described steam cylinder is arranged in engine body, it and engine cylinder are arranged side by side, and its venting port is connected with engine exhaust system. The present invention not only efficiently utilizes the energy of motor exhaust, and solves the problem of motor of engine drive system frequent starting, thus extends the life-span of motor and store battery, improves the economic performance of vehicle.
Description
Technical field
The present invention relates to a kind of automobile engine starting system, especially a kind of automobile engine starting system utilizing engine tail gas heat quantity generation high-pressure water vapor to drive, belongs to combustion engine technology field.
Background technology
For conventional gasoline engin, only some is used for doing work the energy that its fuel combustion produces, the cooled water of a part absorbs, rest part is taken away by high-temperature tail gas, if high-temperature tail gas energy recovery can be utilized, engine thermal efficiency can not only be improved, and actively impact will be produced on realizing automobile energy-saving reduction of discharging target.
Automobile often runs into red parking situation in urban road driving process; correlative study shows; namely the amount of fuel that engine idle consumes for ten seconds is greater than engine and restarts required oil consumption; so in theory; engine should cut out by the process of the red lights such as vehicle; so both improve the economic performance of vehicle, be conducive to again atmospheric environment protection. But engine starting system adopts single motor drive mode at present, by store battery be its power supply, in vehicle movement process, driven by engine generator is store battery charging, this kind of system frequent starting can reduce the life-span of store battery and motor, toggle speed is slower, need the time long, and could drive a vehicle after needing a few second stable after starting.
Summary of the invention
It is an object of the invention to the drawback for prior art, it is provided that a kind of by being reclaimed by energy of engine's tail gas, its thermal energy is become energy in high pressure gas, utilizes high pressure gas as the pneumatic start up system of motor car engine of engine starting power.
Problem of the present invention realizes with following technical proposals:
A kind of pneumatic start up system of motor car engine, it comprises heat exchanger, water-jet, high pressure steam storage tank and steam cylinder, described heat exchanger is connected in the exhaust system pipeline of engine, dress joined by described water-jet and heat exchanger, described high pressure steam storage tank is connected with heat exchanger by high pressure steam storage tank inlet mouth, it is also connected with the inlet mouth of steam cylinder by high pressure steam storage tank air outlet, described steam cylinder is arranged in engine body, it and engine cylinder are arranged side by side, and its venting port is connected with engine exhaust system.
The pneumatic start up system of above-mentioned motor car engine, described heat exchanger is provided with tail gas stream cavity, heat-dissipating fin and shell, and described heat-dissipating fin is distributed on tail gas stream cavity outer wall, and described water-jet is arranged on shell, and water-jet is by Engine ECU control.
The pneumatic start up system of above-mentioned motor car engine, described high pressure steam storage tank sidewall arranges pressure transmitter, and described pressure transmitter is connected with Engine ECU signal input terminus.
The pneumatic start up system of above-mentioned motor car engine, described high pressure steam storage tank inlet mouth place is provided with check valve, and described check valve is by Engine ECU control.
The pneumatic start up system of above-mentioned motor car engine, is provided with insulation thermal insulation layer outside described high pressure steam storage tank.
The pneumatic start up system of above-mentioned motor car engine, is provided with steam cylinder piston in described steam cylinder, described steam cylinder piston joins dress by steam cylinder piston crank linkage assembly and engine crankshaft.
The pneumatic start up system of above-mentioned motor car engine, is provided with the first magnetic valve before described steam cylinder air inlet, and described first magnetic valve is by Engine ECU control.
The pneumatic start up system of above-mentioned motor car engine, is provided with the 2nd magnetic valve after described steam cylinder exhaust port, described 2nd magnetic valve is by Engine ECU control.
The present invention installs a heat exchanger in engine exhaust system pipeline, sprays on the heat-dissipating fin of heat exchanger by water-jet by the water of high-pressure atomization, utilizes the heat energy of exhaust that water is evaporated, forms high pressure steam; The present invention is provided with pressure transmitter on high pressure steam storage tank sidewall, and when in high pressure steam storage tank, pressure reaches set(ting)value, Engine ECU control water-jet stops water spray; The present invention has insulation thermal insulation layer around high pressure steam storage tank, can prevent high pressure steam from dispelling the heat and expended energy; The present invention is provided with the first magnetic valve and the 2nd magnetic valve respectively before steam cylinder air inlet and after steam cylinder exhaust port, by the opening and closing of the first magnetic valve and the 2nd solenoid control steam cylinder air inlet and steam cylinder exhaust port, when a vehicle is started, Engine ECU controls the first magnetic valve and opens, high pressure gas in high pressure steam storage tank enter in steam cylinder, promote piston and toggle action, drive engine crankshaft rotation, engine first cylinder fuel injection is lighted a fire, thus realizes vehicle launch; The present invention can utilize high pressure steam to complete engine starting action as power, avoid the disadvantageous effect that motor drive mode brings to motor and store battery because of frequent starting, thus when vehicle is when urban district red parking, engine can cut out, both reduce vehicle oil consumption, additionally reduce the pollution to atmospheric environment; The present invention is when vehicle needs anxious acceleration, it is also possible to provides auxiliary by steam cylinder and accelerates power, when vehicle is braked, by the control of the first magnetic valve and the 2nd magnetic valve, utilizing piston to be sent back in high pressure steam storage tank by pressurized gas. In a word, the present invention not only efficiently utilizes the energy of motor exhaust, and solves the problem of motor of engine drive system frequent starting, thus extends the life-span of motor and store battery, improves the economic performance of vehicle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is present configuration schematic diagram;
Fig. 2 is engine cylinder, steam cylinder and engine crankshaft assembling relation schematic diagram;
Fig. 3 is the first the engine off condition schematic diagram being suitable for the pneumatic start up system of engine;
Fig. 4 is the 2nd kind of engine off condition schematic diagram being suitable for the pneumatic start up system of engine;
Fig. 5 is that the present invention starts schematic diagram by the first engine off condition;
Fig. 6 is that the present invention starts schematic diagram by the 2nd kind of engine off condition.
In figure, each list of reference numerals is: 1, engine, 1-1, the first cylinder, 1-2, the 2nd cylinder, 1-3, the 3rd cylinder, 1-4, the 4th cylinder, 1-5, engine crankshaft, 1-5-1, steam cylinder piston crank linkage assembly, 2, heat exchanger, 2-1, heat-dissipating fin, 2-2, tail gas stream cavity, 2-3, shell, 3, water-jet, 4, high pressure steam storage tank, 5, pressure transmitter, 6, check valve, 7, insulation thermal insulation layer, 8, the first magnetic valve, 9, the 2nd magnetic valve, 10, steam cylinder, 10-1, steam cylinder piston.
Embodiment
Referring to Fig. 1, Fig. 2, the present invention comprises heat exchanger 2, water-jet 3, high pressure steam storage tank 4 and steam cylinder 10, described heat exchanger 2 is connected in the exhaust system pipeline of engine 1, described water-jet 3 joins dress with heat exchanger 2, described high pressure steam storage tank 4 is connected with heat exchanger 2 by high pressure steam storage tank inlet mouth, it is also connected with the inlet mouth of steam cylinder 10 by high pressure steam storage tank air outlet, described steam cylinder 10 is arranged in engine body, it and engine cylinder are arranged side by side, and its venting port is connected with engine exhaust system.
Referring to Fig. 1, the heat exchanger 2 of the present invention is provided with tail gas stream cavity 2-2, heat-dissipating fin 2-1 and shell 2-3, and described heat-dissipating fin 2-1 is distributed on tail gas stream cavity 2-2 outer wall, and described water-jet 3 is arranged on shell 2-3, and water-jet 2-3 is by Engine ECU control.
Referring to Fig. 1, high pressure steam storage tank 4 sidewall of the present invention arranges pressure transmitter 5, described pressure transmitter 5 is connected with Engine ECU signal input terminus, described high pressure steam storage tank 4 inlet mouth place is provided with check valve 6, described check valve 6, by Engine ECU control, is provided with insulation thermal insulation layer 7 outside described high pressure steam storage tank 4.
Referring to Fig. 1, Fig. 2, being provided with steam cylinder piston 10-1 in the steam cylinder 10 of the present invention, described steam cylinder piston 10-1 joins dress by steam cylinder piston crank linkage assembly 1-5-1 and engine crankshaft 1-5; Being provided with the first magnetic valve 8 before described steam cylinder 10 inlet mouth, described first magnetic valve 8 is by Engine ECU control; Being provided with the 2nd magnetic valve 9 after described steam cylinder 10 venting port, described 2nd magnetic valve 9 is by Engine ECU control.
Referring to Fig. 1, Fig. 2, for inline four-cylinder engine, the present invention is further described below: the present invention and vehicular electric machine start up system with the use of, it installs a heat exchanger 2 in the exhaust system pipeline of engine 1, by water-jet 3, the water of high-pressure atomization is sprayed on the heat-dissipating fin 2-1 of heat exchanger 2, utilize the heat energy of exhaust to be evaporated by water, form high pressure steam, high pressure steam enters in high pressure steam storage tank 4 by check valve 6 control, the present invention is provided with pressure transmitter 5 on high pressure steam storage tank 4 sidewall, when in high pressure steam storage tank 4, pressure reaches set(ting)value, Engine ECU control water-jet 3 stops water spray, the present invention has insulation thermal insulation layer 7 around high pressure steam storage tank 4, can prevent high pressure steam from dispelling the heat and expended energy, the present invention is provided with the first magnetic valve 8 and the 2nd magnetic valve 9 respectively before steam cylinder 10 inlet mouth and after steam cylinder 10 venting port, steam cylinder 10 inlet mouth and the opening and closing of steam cylinder 10 venting port is controlled by the first magnetic valve 8 and the 2nd magnetic valve 9, when a vehicle is started, Engine ECU judges to need by after the execution of pneumatic start up system, first magnetic valve is opened, high pressure gas in high pressure steam storage tank 4 enter in steam cylinder 10, promote steam cylinder piston 10-1 and toggle 1-5-1 action, engine crankshaft 1-5 is driven to rotate, engine first cylinder 1-1 oil spout is lighted a fire, thus realize vehicle launch.
Referring to Fig. 3, Fig. 4; the present invention realizes the steam cylinder piston 10-1 that the precondition of pneumatic startup is engine first cylinder 1-1, the 2nd cylinder 1-2, the 3rd cylinder 1-3 and the 4th cylinder 1-4 piston and steam cylinder 10 and stops in same level, and the engine off condition meeting above-mentioned condition has two kinds of situations shown in Fig. 3 and Fig. 4. After engine 1 shuts down, the steam cylinder piston 10-1 of steam cylinder 10 may stop near top dead center position or near bent axle position, when it stops near top dead center position, the first magnetic valve 8 is controlled by Engine ECU, make high pressure gas enter in steam cylinder 10, shift steam cylinder piston 10-1 onto shown in Fig. 3 or Fig. 4 position; When piston stops near bent axle position, held in the palm near top dead center position by electric motor starting system motor, control the first magnetic valve 8 by Engine ECU again, make high pressure gas enter in steam cylinder 10, shift steam cylinder piston 10-1 onto shown in Fig. 3 or Fig. 4 position.
Referring to Fig. 5; inline four-cylinder engine is shown in Fig. 3 during stopped status; steam cylinder 10 enters high pressure gas; promote steam cylinder piston 10-1 descending; drive engine crankshaft 1-5 reverse rotation; now in the first cylinder 1-1 of engine, piston moves to close to top dead center position, and the first cylinder 1-1 oil spout igniting, engine crankshaft 1-5 changes sense of rotation and starts smoothly.
Referring to Fig. 6; inline four-cylinder engine is shown in Fig. 4 during stopped status; steam cylinder 10 enters high pressure gas; promote steam cylinder piston 10-1 descending; driving engine crankshaft 1-5 to rotate forward, steam cylinder piston 10-1 arrives bottom dead center position, now piston arrives top dead center position in the first cylinder 1-1; first cylinder 1-1 oil spout igniting, engine starts smoothly.
The present invention utilizes high pressure steam to complete engine starting action as power, avoid the disadvantageous effect that single motor drive mode brings to motor and store battery because of frequent starting, thus when vehicle is when urban district red parking, engine can cut out, both reduce vehicle oil consumption, additionally reduce the pollution to atmospheric environment; The present invention is when vehicle needs anxious acceleration, it is also possible to provides auxiliary by steam cylinder 10 and accelerates power; When vehicle is braked, by the control of the first magnetic valve 8 and the 2nd magnetic valve 9, utilizing piston to be sent back in high pressure steam storage tank 4 by pressurized gas.
Claims (4)
1. the pneumatic start up system of motor car engine, it is characterized in that, it comprises heat exchanger (2), water-jet (3), high pressure steam storage tank (4) and steam cylinder (10), described heat exchanger (2) is connected in the exhaust system pipeline of engine (1), dress joined by described water-jet (3) and heat exchanger (2), described high pressure steam storage tank (4) is connected with heat exchanger (2) by high pressure steam storage tank inlet mouth, it is also connected with the inlet mouth of steam cylinder (10) by high pressure steam storage tank air outlet, described steam cylinder (10) is arranged in engine body, it and engine cylinder are arranged side by side, its venting port is connected with engine exhaust system,
Being provided with steam cylinder piston (10-1) in described steam cylinder (10), described steam cylinder piston (10-1) joins dress by steam cylinder piston crank linkage assembly (1-5-1) and engine crankshaft (1-5);
Described heat exchanger (2) is provided with tail gas stream cavity (2-2), heat-dissipating fin (2-1) and shell (2-3), described heat-dissipating fin (2-1) is distributed on tail gas stream cavity (2-2) outer wall, described water-jet (3) is arranged on shell (2-3), and water-jet (2-3) is by Engine ECU control;
Being provided with the first magnetic valve (8) before described steam cylinder (10) inlet mouth, described first magnetic valve (8) is by Engine ECU control;
Being provided with the 2nd magnetic valve (9) after described steam cylinder (10) venting port, described 2nd magnetic valve (9) is by Engine ECU control.
2. a kind of pneumatic start up system of motor car engine according to claim 1, is characterized in that, described high pressure steam storage tank (4) sidewall arranges pressure transmitter (5), and described pressure transmitter (5) is connected with Engine ECU signal input terminus.
3. a kind of pneumatic start up system of motor car engine according to claim 2, is characterized in that, described high pressure steam storage tank (4) inlet mouth place is provided with check valve (6), and described check valve (6) is by Engine ECU control.
4. a kind of pneumatic start up system of motor car engine according to claim 3, is characterized in that, described high pressure steam storage tank (4) outside is provided with insulation thermal insulation layer (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310379078.4A CN103470421B (en) | 2013-08-28 | 2013-08-28 | A kind of pneumatic start up system of motor car engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310379078.4A CN103470421B (en) | 2013-08-28 | 2013-08-28 | A kind of pneumatic start up system of motor car engine |
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| CN103470421A CN103470421A (en) | 2013-12-25 |
| CN103470421B true CN103470421B (en) | 2016-06-01 |
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| CN201310379078.4A Active CN103470421B (en) | 2013-08-28 | 2013-08-28 | A kind of pneumatic start up system of motor car engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105569902B (en) * | 2015-12-31 | 2018-11-30 | 泰豪科技股份有限公司 | One-cylinder diesel generator containing air pressure starter |
| CN107952192A (en) * | 2016-10-18 | 2018-04-24 | 南京金邦动力科技有限公司 | A kind of automobile lithium battery group extinguishing device |
| CN108223058A (en) * | 2018-01-21 | 2018-06-29 | 郭保玉 | The simple and easy method of conventional internal combustion engines tail gas clean-up and Waste Heat Reuse |
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|---|---|---|---|---|
| US4706462A (en) * | 1986-10-14 | 1987-11-17 | Jim L. De Cesare | Method for driving an engine |
| US6119457A (en) * | 1997-04-23 | 2000-09-19 | Isuzu Ceramics Research Institute Co., Ltd. | Heat exchanger apparatus using porous material, and ceramic engine provided with supercharger driven by thermal energy recorded from exhaust gas by the same apparatus |
| CN1847725A (en) * | 2005-04-11 | 2006-10-18 | 有限会社卡依·爱依知工业 | Pouer generater, thermal energy utilizing device and combining device thereof |
| CN201043489Y (en) * | 2007-05-23 | 2008-04-02 | 靳北彪 | Internal and external combustion engine |
| CN101532420A (en) * | 2009-04-18 | 2009-09-16 | 王鑫弘 | Engine compositing spray liquid to hot wall vaporizing high speed with gas engine and steam engine |
| CN101886559A (en) * | 2009-12-23 | 2010-11-17 | 图尔贡·赛迪 | Energy-saving and environmentally friendly engine unit |
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2013
- 2013-08-28 CN CN201310379078.4A patent/CN103470421B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4706462A (en) * | 1986-10-14 | 1987-11-17 | Jim L. De Cesare | Method for driving an engine |
| US6119457A (en) * | 1997-04-23 | 2000-09-19 | Isuzu Ceramics Research Institute Co., Ltd. | Heat exchanger apparatus using porous material, and ceramic engine provided with supercharger driven by thermal energy recorded from exhaust gas by the same apparatus |
| CN1847725A (en) * | 2005-04-11 | 2006-10-18 | 有限会社卡依·爱依知工业 | Pouer generater, thermal energy utilizing device and combining device thereof |
| CN201043489Y (en) * | 2007-05-23 | 2008-04-02 | 靳北彪 | Internal and external combustion engine |
| CN101532420A (en) * | 2009-04-18 | 2009-09-16 | 王鑫弘 | Engine compositing spray liquid to hot wall vaporizing high speed with gas engine and steam engine |
| CN101886559A (en) * | 2009-12-23 | 2010-11-17 | 图尔贡·赛迪 | Energy-saving and environmentally friendly engine unit |
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