CN106150774A - Engine pack and there is its vehicle - Google Patents
Engine pack and there is its vehicle Download PDFInfo
- Publication number
- CN106150774A CN106150774A CN201510139789.3A CN201510139789A CN106150774A CN 106150774 A CN106150774 A CN 106150774A CN 201510139789 A CN201510139789 A CN 201510139789A CN 106150774 A CN106150774 A CN 106150774A
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- CN
- China
- Prior art keywords
- hydrogen
- engine
- inlet manifold
- guide rail
- engine pack
- 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.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
Abstract
The invention provides engine pack and there is its vehicle, engine pack includes: engine, described engine has exhaust channel and intake channel, and described intake channel has inlet manifold and inlet manifold, and described exhaust channel has exhaust main and exhaust manifold；EGR circuit, described EGR circuit is connected with described exhaust channel and described intake channel respectively, and described EGR circuit is provided with cooler for recycled exhaust gas and EGR valve；And hydrogen gas feed system, described hydrogen gas feed system includes: hydrogen gas supplying apparatus, hydrogen guide rail and nozzle, described hydrogen gas supplying apparatus is connected for exporting hydrogen to described hydrogen guide rail with described hydrogen guide rail, and described nozzle is connected with described hydrogen guide rail and for spraying hydrogen in described inlet manifold.Engine pack according to embodiments of the present invention, can solve EGR gas and cause the unstable problem of engine combustion.
Description
Technical field
The present invention relates to technical field of vehicle, particularly to engine pack and the vehicle with this engine pack.
Background technology
In correlation technique, gasoline engine is applied low pressure cooling EGR technology, the fuel economy of gasoline engine can be improved；But its
Being limited to the tolerance of EGR, substantial amounts of EGR can cause petrol engine combustion unstable, reduces fuel economy.
Content of the invention
In view of this, it is contemplated that propose a kind of engine pack, engine combustion can be caused to solve substantial amounts of EGR gas
Unstable problem.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of engine pack, comprising: engine, described engine has exhaust channel and intake channel, described intake channel
Having inlet manifold and inlet manifold, described exhaust channel has exhaust main and exhaust manifold；EGR circuit, described EGR returns
Road is connected with described exhaust channel and described intake channel respectively, and described EGR circuit is provided with cooler for recycled exhaust gas and EGR valve；
And hydrogen gas feed system, described hydrogen gas feed system includes: hydrogen gas supplying apparatus, hydrogen guide rail and nozzle, and described hydrogen supplies
Be connected for exporting hydrogen to described hydrogen guide rail with described hydrogen guide rail to device, described nozzle be connected with described hydrogen guide rail and
For injection hydrogen in described inlet manifold.
Further, described hydrogen gas supplying apparatus includes: for being electrolysed the electrolysis unit of water.
Further, described electrolysis unit includes: tank house；Power supply, described power supply has positive electrode and a negative electrode, described just
Electrode and described negative electrode are arranged in described tank house；And hydrogen-oxygen separator, described hydrogen-oxygen separator is arranged on described
Hydrogen and oxygen in tank house and for producing electrolysis are separated from one another.
Further, described hydrogen-oxygen separator includes dividing plate, in described dividing plate is arranged on described tank house and by described tank house
Being isolated into cathode chamber and anode chamber, described positive electrode is positioned at described cathode chamber and described negative electrode is positioned at described anode chamber, institute
State anode chamber to be connected with described hydrogen guide rail.
Further, it is provided with high-pressure pump between described anode chamber and described hydrogen guide rail.
Further, described cathode chamber is connected with described inlet manifold.
Further, described dividing plate is into a single integrated structure with described tank house so that forming the cathode chamber being spaced apart in described tank house
And anode chamber.
Further, described engine pack also includes: turbocharger, and described turbocharger includes turbine and compressor,
Described turbine is located on described exhaust main and described compressor is arranged on described inlet manifold, described cathode chamber be positioned at institute
The described inlet manifold stating compressor upstream side is connected.
Further, described hydrogen guide rail being longitudinally mounted in described inlet manifold along described engine, and described nozzle is
Multiple and corresponding respectively with described inlet manifold.
Relative to prior art, engine pack of the present invention has the advantage that
Engine pack according to embodiments of the present invention, feeds EGR gas by EGR circuit to engine, can reduce burning
The ignition temperature of room, to reduce the fuel oil consumption of engine and discharge；Feed hydrogen by arranging hydrogen gas supplying apparatus to engine,
So that the mixture combustion with EGR gas is stable, improves the thermal efficiency of engine, improve the fuel economy of engine.
Further object of the present invention is to propose a kind of vehicle.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of vehicle, including engine pack described above.
Relative to prior art, engine of the present invention has the advantage that
Vehicle according to embodiments of the present invention, can improve fuel economy, such that it is able to realize energy-saving and emission-reduction.
Brief description
A part of accompanying drawing constituting the present invention is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the hydrogen gas feed system of the engine pack described in the embodiment of the present invention；
Fig. 2 is the structural representation of the engine pack described in the embodiment of the present invention；
Fig. 3 is the tendency chart on ignition advance angle and the impact of combustion duration for the hydrogen；
Fig. 4 is the effect tendency to engine EGR gas tolerance for the hydrogen；
Fig. 5 is the universal figure that fuel oil in the case of no hydrogen participation for the engine consumes；
Fig. 6 is the universal figure that fuel oil in the case of having hydrogen to participate in for the engine consumes.
Description of reference numerals:
Engine pack 100；
Engine 10；
Exhaust channel 20；Exhaust main 21；Exhaust manifold 22；
Intake channel 30；Inlet manifold 31；Inlet manifold 32；
EGR circuit 40；Cooler for recycled exhaust gas 41；EGR valve 42；
Hydrogen gas feed system 50；Hydrogen gas supplying apparatus 51；Hydrogen guide rail 52；Nozzle 53；
Electrolysis unit 60；Tank house 61；Power supply 62；Positive electrode 63；Negative electrode 64；
Hydrogen-oxygen separator 65；Cathode chamber 66；Anode chamber 67；High-pressure pump 68；Oxygen interface 69；
Compressor 72；Air filter 80；Charge air cooler 90；Air throttle 91；Catalyst converter 92.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Describe engine pack 100 according to embodiments of the present invention below in conjunction with the accompanying drawings in detail.Starting according to embodiments of the present invention
Thermomechanical components 100 can be applied on vehicle.
Engine pack 100 according to embodiments of the present invention may include that engine the 10th, EGR (waste gas recycling) loop 40
With hydrogen gas feed system 50.As in figure 2 it is shown, engine 10 has exhaust channel 20 and intake channel 30, intake channel 30
Having inlet manifold 31 and inlet manifold 32, exhaust channel 20 has exhaust main 21 and exhaust manifold 22.
As in figure 2 it is shown, EGR circuit 40 is connected with exhaust channel 20 and intake channel 30 respectively, EGR circuit 40 is arranged
Have cooler for recycled exhaust gas 41 and EGR valve 42.It is understood that catalyst converter 92 can be provided with on exhaust main 21, by row
The catalysis that the waste gas that gas manifold 22 is discharged first passes through catalyst 92 is discharged again.In discharge process, a part of waste gas directly discharges
In air, another part waste gas can reenter engine 10 by EGR circuit 40, owing to EGR gas is by CO2、
Steam, N2And other unburned products are constituted, because triatomic molecule has higher thermal capacity than air, so EGR gas has
Higher specific heat capacity, can reduce the ignition temperature in the combustion chamber of engine 10 in EGR gas is fed combustion chamber, and then
The discharge of engine 10 can also be reduced.In the process, cooler for recycled exhaust gas 41 can play the effect of cooling EGR gas,
EGR gas is made to have preferable cooling function.EGR valve 42 is for controlling the flow of EGR gas, say, that EGR valve
42 controls enter the flow of the EGR gas of the combustion chamber of engine 10.Alternatively, as in figure 2 it is shown, EGR gas with fresh
Air is mixed to form gaseous mixture in inlet manifold 31.
As it is shown in figure 1, hydrogen gas feed system 50 includes: hydrogen gas supplying apparatus the 51st, hydrogen guide rail 52 and nozzle 53, hydrogen
Feedway 51 is connected with hydrogen guide rail 52 for exporting hydrogen to hydrogen guide rail 52, and nozzle 53 is connected with hydrogen guide rail 52,
And nozzle 53 is for spraying hydrogen in inlet manifold 32.It is understood that substantial amounts of EGR gas can cause burning not
Stable, but add hydrogen at gaseous mixture, the inflammability limit of gaseous mixture can be widened, accelerate flame to propagate, improve efficiency of combustion,
Strengthen the stability of burning.
The hydrogen that hydrogen gas feed system 50 provides mixes with gaseous mixture at inlet manifold 32s, and the gaseous mixture mixing is in burning
Can stably burn in indoor, and the EGR gas in gaseous mixture can reduce the ignition temperature of combustion chamber, reduces engine 10
Discharge, and hydrogen is so that gaseous mixture stably burns, such that it is able to improve the thermal efficiency of engine pack 100, reduces
The fuel oil consumption of engine pack 100 and discharge.
Specifically, hydrogen guide rail 52 being longitudinally mounted in inlet manifold 32 along engine 10, and nozzle 53 for multiple and
Corresponding respectively with inlet manifold 32.As in figure 2 it is shown, multiple nozzles 53 and multiple inlet manifold 32 one_to_one corresponding, according to sending out
The course of work of motivation 10, multiple nozzles 53 discharge hydrogen exactly to each combustion chamber.
It is understood that the amount maximum that hydrogen participates in reaction in combustion chamber only accounts for the 1% of air inlet total amount, as it is shown on figure 3,
When hydrogen is when air inlet total amount is gradually increased to 1% by 0, ignition advance angle and the combustion duration of engine 10 are all gradually lowered,
After this explanation hydrogen participates in burning, hydrogen can widen the inflammability limit of gaseous mixture, accelerates flame to propagate, improves burn rate,
Strengthen flameholding.And as shown in Figure 4, under same operating, as hydrogen is gradually increased in the ratio of air inlet total amount, by 0
When being gradually increased to 1%, engine 10 keeps stable burning, and acceptable EGR gas is being gradually increased.
In conjunction with shown in Fig. 5 and Fig. 6, engine 10 is after application EGR circuit 40, under moderate rotation moderate duty operating mode, and EGR
Loop 40 can make the optimum combustion phase of engine 10 burn, and reduces fuel oil consumption；Running on the lower load, EGR returns
Road 40, by reducing pumping loss, promotes the fuel oil consumption of engine 10；High-speed high-load operating mode, by reducing row's temperature, reduces
The fuel oil consumption unnecessary for reducing row's temperature.Low speed high load operating mode, suppresses pinking, optimizes ignition phase, improves fuel oil consumption.
H2After participating in burning, make the EGR gas tolerance of engine 10 improve, make the effect of low pressure EGR gas be substantially improved.By
Fig. 6 understands, the isopleth of engine 10 mimimum fuel consumption scope is expanding, and other corresponding isopleth are also expanding, therefore
The overall fuel oil consumption of engine 10 is improved.
Engine pack 100 according to embodiments of the present invention, feeds EGR gas by EGR circuit 40 to engine 10, can
To reduce the ignition temperature of combustion chamber, to reduce the fuel oil consumption of engine 10 and discharge, by arranging hydrogen gas supplying apparatus 51
Feed hydrogen to engine 10, so that the mixture combustion with EGR gas is stable, improve the thermal efficiency of engine 10,
Improve the fuel economy of engine 10.
In some examples of the present invention, as it is shown in figure 1, hydrogen gas supplying apparatus 51 includes: for being electrolysed the electrolysis unit of water
60.Electrolysis unit 60 includes: tank house the 61st, power supply 62 and hydrogen-oxygen separator 65, and power supply 62 has positive electrode 63 He
Negative electrode 64, positive electrode 63 and negative electrode 64 are arranged in tank house 61, and hydrogen-oxygen separator 65 is arranged on tank house 61
In, and hydrogen-oxygen separator 65 is separated from one another for hydrogen and the oxygen producing electrolysis.That is hydrogen is by being electrolysed dress
Put 60 electrolysis water to obtain, as it is shown in figure 1, the positive electrode 63 of power supply 62 and negative electrode 64 are individually positioned in tank house 61,
Obtain at positive electrode 63 being electrolysed the oxygen that water generates, obtain at negative electrode 64 being electrolysed the hydrogen that water generates, hydrogen-oxygen separator
Oxygen and Hydrogen Separation are opened by 65, alternatively, can be provided with high-pressure pump 68 between anode chamber 67 and hydrogen guide rail 52.High
Press pump 68 can pump into the hydrogen generating in tank house 61 in hydrogen guide rail 52.
It is understood that the amount maximum that hydrogen participates in reaction in combustion chamber only accounts for the 1% of air inlet total amount, such engine 10
Can meet completely with storage battery and be electrolysed the electric energy that water reacts, and then the energy of engine 10 can be made full use of, improve engine
The capacity usage ratio of 10.
Alternatively, as it is shown in figure 1, hydrogen-oxygen separator 65 includes dividing plate, dividing plate is arranged in tank house 61, and dividing plate
Tank house 61 is isolated into cathode chamber 66 and anode chamber 67, and positive electrode 63 is positioned at cathode chamber 66, and negative electrode 64
In anode chamber 67, anode chamber 67 is connected with hydrogen guide rail 52.That is the oxygen being electrolysed water generation just can be stored in
In room, pole 66, the hydrogen that electrolysis water generates can be stored in anode chamber 67, and the setting of dividing plate can avoid hydrogen and oxygen to mix
Close.
Further, as in figure 2 it is shown, cathode chamber 66 is connected with inlet manifold 31, inlet manifold 31 is formed with oxygen and connects
Mouthfuls 69, the oxygen in cathode chamber 66 can be entered in inlet manifold 31 by oxygen interface 69, and then can enter and start
In machine 10, such that it is able to improve the fuel efficiency of engine 10.Engine pack 100 can also include: turbocharger,
Turbocharger includes turbine 71 and compressor 72, and turbine 71 is located on exhaust main 21, and compressor 72 sets
Putting on inlet manifold 31, cathode chamber 66 is connected with the inlet manifold 31 being positioned at compressor 72 upstream side.In conjunction with Fig. 1 and Tu
Shown in 2, engine pack 100 can also include air filter 80, the fresh air through air filter 80 enter into
Gas house steward 31, before compressor 72, fresh air, EGR G&O converge, then being sufficiently mixed through compressor 72.
Further, as in figure 2 it is shown, be additionally provided with charge air cooler 90 and air throttle 91 on inlet manifold 31, charge air cooler 90 can play
The effect of cooling gaseous mixture, air throttle 91 can control the air inflow entering cylinder, and final gaseous mixture enters combustion chamber and participates in combustion
Burn.
The vehicle of embodiment according to a further aspect of the invention, including the engine pack 100 of above-described embodiment.There is above-mentioned enforcement
The vehicle of the engine pack 100 of example can improve fuel economy, such that it is able to realize energy-saving and emission-reduction.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and former
Within then, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. an engine pack (100), it is characterised in that include:
Engine (10), described engine (10) has exhaust channel (20) and intake channel (30), described intake channel
(30) there is inlet manifold (31) and inlet manifold (32), described exhaust channel (20) have exhaust main (21) and
Exhaust manifold (22)；
EGR circuit (40), described EGR circuit (40) respectively with described exhaust channel (20) and described intake channel (30)
It is connected, described EGR circuit (40) is provided with cooler for recycled exhaust gas (41) and EGR valve (42)；And
Hydrogen gas feed system (50), described hydrogen gas feed system (50) includes: hydrogen gas supplying apparatus (51), hydrogen guide rail (52)
With nozzle (53), described hydrogen gas supplying apparatus (51) is connected for described hydrogen guide rail (52) with described hydrogen guide rail (52)
Output hydrogen, described nozzle (53) is connected with described hydrogen guide rail (52) and for spraying in described inlet manifold (32)
Hydrogen.
2. engine pack according to claim 1 (100), it is characterised in that described hydrogen gas supplying apparatus (51)
Including: for being electrolysed the electrolysis unit (60) of water.
3. engine pack according to claim 2 (100), it is characterised in that described electrolysis unit (60) includes:
Tank house (61)；
Power supply (62), described power supply (62) has positive electrode (63) and negative electrode (64), described positive electrode (63) and institute
State negative electrode (64) to be arranged in described tank house (61)；And
Hydrogen-oxygen separator (65), in described hydrogen-oxygen separator (65) is arranged on described tank house (61) and for by electricity
Solve the hydrogen producing and oxygen is separated from one another.
4. engine pack according to claim 3 (100), it is characterised in that described hydrogen-oxygen separator (65)
Including dividing plate, in described dividing plate is arranged on described tank house (61) and described tank house (61) is isolated into cathode chamber (66)
With anode chamber (67), described positive electrode (63) is positioned at described cathode chamber (66) and described negative electrode (64) is positioned at described
In anode chamber (67), described anode chamber (67) is connected with described hydrogen guide rail (52).
5. engine pack according to claim 4 (100), it is characterised in that described anode chamber (67) with described
It is provided with high-pressure pump (68) between hydrogen guide rail (52).
6. engine pack according to claim 4 (100), it is characterised in that described cathode chamber (66) with described
Inlet manifold (31) is connected.
7. engine pack according to claim 4 (100), it is characterised in that described dividing plate and described tank house (61)
Into a single integrated structure so that forming the cathode chamber (66) being spaced apart and anode chamber (67) in described tank house (61).
8. engine pack according to claim 6 (100), it is characterised in that also include: turbocharger, institute
Stating turbocharger and including turbine (71) and compressor (72), described turbine (71) is located at described exhaust main (21)
Upper and described compressor (72) is arranged on described inlet manifold (31), described cathode chamber (66) be positioned at described compressor
(72) the described inlet manifold (31) of upstream side is connected.
9. engine pack according to claim 1 (100), it is characterised in that described hydrogen guide rail (52) is along institute
State being longitudinally mounted in described inlet manifold (32) of engine (10), and described nozzle (53) be multiple and with described
Inlet manifold (32) correspondence respectively.
10. a vehicle, it is characterised in that include the engine pack (100) according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139789.3A CN106150774B (en) | 2015-03-27 | 2015-03-27 | Engine assembly and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139789.3A CN106150774B (en) | 2015-03-27 | 2015-03-27 | Engine assembly and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106150774A true CN106150774A (en) | 2016-11-23 |
| CN106150774B CN106150774B (en) | 2020-01-31 |
Family
ID=57339131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510139789.3A Active CN106150774B (en) | 2015-03-27 | 2015-03-27 | Engine assembly and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106150774B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388308A (en) * | 2002-04-09 | 2003-01-01 | 姜伟 | Power generating and hydrogen producing method and unit utilizing waste gas of internal combustion engine |
| CN1523217A (en) * | 2002-09-20 | 2004-08-25 | 福特全球科技公司 | Hydrogen fueled spark ignition engine |
| CN1800617A (en) * | 2006-01-13 | 2006-07-12 | 镇江江奎科技有限公司 | Apparatus and method for controlling internal combustion engine with hydrogen fuel |
| US20070001462A1 (en) * | 2003-04-15 | 2007-01-04 | H-Empower Corp. | Integrated renewable energy system |
| CN103184941A (en) * | 2013-04-15 | 2013-07-03 | 清华大学 | Natural gas engine and combustion method thereof |
-
2015
- 2015-03-27 CN CN201510139789.3A patent/CN106150774B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388308A (en) * | 2002-04-09 | 2003-01-01 | 姜伟 | Power generating and hydrogen producing method and unit utilizing waste gas of internal combustion engine |
| CN1523217A (en) * | 2002-09-20 | 2004-08-25 | 福特全球科技公司 | Hydrogen fueled spark ignition engine |
| US20070001462A1 (en) * | 2003-04-15 | 2007-01-04 | H-Empower Corp. | Integrated renewable energy system |
| CN1800617A (en) * | 2006-01-13 | 2006-07-12 | 镇江江奎科技有限公司 | Apparatus and method for controlling internal combustion engine with hydrogen fuel |
| CN103184941A (en) * | 2013-04-15 | 2013-07-03 | 清华大学 | Natural gas engine and combustion method thereof |
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| Publication number | Publication date |
|---|---|
| CN106150774B (en) | 2020-01-31 |
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