CN102155291A - Hydrogen engine - Google Patents
Hydrogen engine Download PDFInfo
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- CN102155291A CN102155291A CN2011100652497A CN201110065249A CN102155291A CN 102155291 A CN102155291 A CN 102155291A CN 2011100652497 A CN2011100652497 A CN 2011100652497A CN 201110065249 A CN201110065249 A CN 201110065249A CN 102155291 A CN102155291 A CN 102155291A
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- hydrogen
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- intake manifold
- pressure temperature
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to a hydrogen engine comprising a hydrogen supplying system, an air intake system, an engine body and an exhaust system, wherein the hydrogen supplying system comprises a high pressure hydrogen bottle, a solenoid valve, a first-grade reducing valve, a second-grade reducing valve, a flame arrestor and a connecting pipeline. A hydrogen pressure temperature sensor is arranged in a hydrogen air-rail, an air intake pressure temperature sensor is arranged at the front end of a pressure stabilization cavity of an air intake manifold, and a wide scope oxygen sensor is arranged on an exhaust manifold of the exhaust system, an electronic throttle is arranged at the front end of the air intake manifold, the hydrogen pressure temperature sensor, the air intake pressure temperature sensor and the wide scope oxygen sensor transmit signals to an ECU (electronic control unit). In the hydrogen engine, gasoline is replaced by hydrogen to be used as engine fuel, and CO2 emission is reduced to the maximum extent on the basis of not changing the engine body and not increasing the engine cost, so as to improve the emission level of the engine.
Description
Technical field
The present invention relates to a kind of hydrogen engine.
Background technique
Automobile is held the responsibility that can't be shirked for overconsumption, the global warming of fossil fuel as the important member in the fossil fuel consumption family.The conventional gasoline machine can't satisfy more maximum discharge requirement, and the automobile enterprise of various countries is all at the various forms of new products of active development, to satisfy the automobile emission regulation of increasingly stringent at present.
Referring to Fig. 1, the conventional gasoline machine is mainly total 3 by engine charge, intake manifold 4, engine body 1(contain cylinder body, cylinder cap etc.), gas-duct jetting oil sprayer 2, gas exhaust manifold 5, exhaust manifold 6 and ternary catalyzing unit 7(Three Way Catalyst, TWC) form.Wherein, the inlet and outlet house steward is connected with the inlet and outlet manifold respectively, and the inlet and outlet manifold is installed on the cylinder cap of engine body, and oil sprayer is installed on the intake manifold, and ternary catalyzing unit is installed on the exhaust manifold.During the work of conventional gasoline machine, air is after the intake manifold enters intake manifold, fuel-steam in the intake duct is brought in the cylinder, fuel-air mixed gas is after cylinder combustion is burnt acting, gas of combustion enters exhaust manifold through gas exhaust manifold, in ternary catalyzing unit, carry out catalyzed conversion, and the waste gas that reaches emission standard the most at last enters in the atmosphere.
In the working procedure of this conventional gasoline machine, because the difference of fuel qualities, the restriction of the difference of oil spout mode and the catalytic capability of ternary catalyzing unit, make the oil consumption and the discharging of conventional engines can not further be optimized lifting, and along with the global crude oil reserves constantly reduce, the development of conventional gasoline machine will be had difficulty in taking a step.
Summary of the invention
The objective of the invention is to provides a kind of novel hydrogen engine at conventional gasoline engine oil consumption, the high problem of discharging, and this motor is not changing engine body, does not increase on the basis of motor cost and reduces CO to greatest extent
2Discharging improves the engine emission level.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The hydrogen engine technology that the present invention relates to is as follows:
A kind of hydrogen engine, it comprises hydrogen-feeding system, gas handling system, engine body and vent systems; It is characterized in that: described hydrogen supply system comprises a High Pressure Hydrogen gas cylinder, solenoid valve, I and II reduction valve, flame trap and connecting pipeline; The bottle mouth position of described High Pressure Hydrogen gas cylinder is installed solenoid valve, solenoid valve is controlled by ECU, electromagnetic valve outlet links to each other with the I and II reduction valve by connecting pipeline, the second depressurized valve is connected with flame trap, flame trap is arranged in gas rail front end, links to each other with hydrogen gas rail by connecting pipeline, and the hydrogen nozzle is installed on the hydrogen gas rail, the hydrogen nozzle is installed on the intake manifold of gas handling system simultaneously, and described hydrogen nozzle is by nozzle driver drives, multipoint sequential injection electric control system controls.
Simultaneously, the Hydrogen Vapor Pressure temperature transducer is installed, is furnished with the suction pressure temperature transducer, on the gas exhaust manifold of vent systems, be furnished with broad domain oxygen sensor at the pressure stabilizing cavity front end of intake manifold at described hydrogen gas rail; Front end in intake manifold is equipped with electronic throttle, and described Hydrogen Vapor Pressure temperature transducer, suction pressure temperature transducer, broad domain oxygen sensor are transferred to ECU with signal.
Further, the exhaust manifold of described vent systems is provided with a NSR catalytic converter of handling NOx.
In the hydrogen-feeding system of this motor, open by the ECU control electromagnetic valve, hydrogen is behind the I and II reduction valve, thereby the hydrogen nozzle time opening by nozzle driver drives, multipoint sequential injection electric control system controls sprays into engine aspirating system with hydrogen, with enter cylinder combustion after the air mixing and burn acting, waste gas enters into after-treatment system through vent systems, by the NSR catalyst NOx in the waste gas is disposed, thereby improves the engine emission level greatly.This hydrogen engine is applied to this hydrogen engine with the multipoint sequential injection automatical control system, gas-duct jetting oil sprayer cancellation with the conventional gasoline machine, on intake manifold, increase the hydrogen nozzle, increase a hydrogen driver simultaneously, the oil-fired system of cancellation conventional gasoline machine increases by a cover hydrogen engine hydrogen-feeding system.Further can also cancel the ternary catalyzing unit of conventional engines, increase a NSR catalytic converter of handling NOx.
Adopt technique scheme, become motor fuel, reduce the use of fossil fuel, prolonged the working life of fossil fuel greatly with the hydrogen instead of gasoline; Because the calorific value height of hydrogen, inflammability limit is wide, and flame propagation speed has determined hydrogen engine burning degree of constant volume height in addition, and the thermal efficiency is higher, and gas consumption reduces; The combustion of hydrogen product has only water, does not have emission problem, only can produce NOx under high-temperature oxygen-enriched situation, and the NSR catalytic converter has effectively solved this problem, makes hydrogen engine reach Europe IV emission standard easily, can realize Europe VI standard after the coupling.Therefore, the present invention is not changing engine body, does not increase on the basis of motor cost and reduces CO to greatest extent
2Discharging improves the engine emission level.
Description of drawings
Fig. 1 is the conventional gasoline machine structural representation described in the background technique;
Fig. 2 is this novel hydrogen engine structural representation;
Fig. 3 is the hydrogen supply system diagram of this hydrogen engine.
1-engine body 1,2-hydrogen nozzle, 3-suction pressure temperature transducer, 4-electronic throttle, 5-intake manifold, 6-gas exhaust manifold, 7-broad domain oxygen sensor, 8-NSR catalytic converter, 9-High Pressure Hydrogen gas cylinder, 10-solenoid valve, 11-one-level reduction valve, 12-Hydrogen Vapor Pressure temperature transducer, 13-second depressurized valve, 14-hydrogen gas rail, 15-flame trap among the figure.
Embodiment
As shown in Figure 2, this motor is a kind of hydrogen engine of multipoint sequential injection automatical control system, and automatical control system carries on motor, and hydrogen gas rail 14 is arranged on the intake manifold 5, eight the hydrogen nozzles 2 that distributing on the hydrogen gas rail are evenly distributed on four cylinders.Hydrogen Vapor Pressure temperature transducer 12 is installed on the hydrogen gas rail 14, and suction pressure temperature transducer 3 is arranged in the front end of intake manifold 5 pressure stabilizing cavities, and broad domain oxygen sensor 7 is arranged on the gas exhaust manifold 6.Electronic throttle 4 is installed in the front end of intake manifold 5, and in addition, the exhaust manifold of vent systems is provided with a NSR catalytic converter of handling NOx.ECU, hydrogen driver and a whole set of hydrogen supply system all are arranged in car load operator cabin or the engine nacelle.
Referring to Fig. 3, wherein a whole set of hydrogen supply system is by a High Pressure Hydrogen gas cylinder 9, solenoid valve 10, and I and II reduction valve 11,13, flame trap 15 and connecting pipeline are formed.High Pressure Hydrogen gas cylinder 9 bottle mouth positions are installed solenoid valve 10, electromagnetic valve outlet links to each other with 13 with I and II reduction valve 11 by connecting pipeline, second depressurized valve 13 is connected with flame trap 15, flame trap 15 is arranged in hydrogen gas rail 14 front ends, link to each other with hydrogen gas rail 14 by pipeline, eight hydrogen nozzles are installed on the gas rail, and hydrogen nozzle 2 is installed on the intake manifold 4, by the cushion rubber realization of hydrogen spray nozzle front end and the sealing of intake manifold.
When the ECU control electromagnetic valve is opened, hydrogen flows out from the High Pressure Hydrogen gas cylinder, reduce to about 6Mpa by one-level decompression downstream pressure, can reach the required spray hydrogen pressure of motor by the second depressurized valve, enter into hydrogen gas rail and hydrogen nozzle place through behind the flame trap, by the multipoint sequential injection automatical control system, ECU control hydrogen nozzle 2 time openings spray into hydrogen in the engine air flue, enter the cylinder combustion acting after forming mixed gas with air, waste gas (water vapour) is discharged through vent systems; When motor was in the high speed high load working condition, be high-temperature oxygen-enriched environment this moment in the cylinder, very easily produces NOx waste gas, and the NSR catalytic converter 7 of replacement ternary catalyzing unit is at utmost handled the NOx gas that produces; By the multipoint sequential injection automatical control system, can accurately control the spray hydrogen amount of motor under different operating modes, and then electronic throttle draws required air inflow as calculated, reach the excess air coefficient under each operating mode of accurate control, make the interior mixture combustion of cylinder complete, engine emission is almost nil.
The characteristics of this novel hydrogen engine are: engine combustion hydrogen, greatly reduce the use of fossil fuel, and prolonged the working life of fossil fuel; The products of combustion of hydrogen engine has only water, and only producing NOx when high-temperature oxygen-enriched can handle it by the NSR converter, can satisfy strict further European Abgasgesetz easily; Combustion of hydrogen speed is fast, the degree of constant volume height, and thermal efficiency height has determined the hydrogen engine gas consumption than the oil consumption of conventional gasoline machine obvious decline to be arranged, Economy is splendid.
Claims (3)
1. hydrogen engine, it comprises hydrogen-feeding system, gas handling system, engine body and vent systems; It is characterized in that: described hydrogen supply system comprises a High Pressure Hydrogen gas cylinder, solenoid valve, I and II reduction valve, flame trap and connecting pipeline; The bottle mouth position of described High Pressure Hydrogen gas cylinder is installed solenoid valve, solenoid valve is controlled by ECU, electromagnetic valve outlet links to each other with the I and II reduction valve by connecting pipeline, the second depressurized valve is connected with flame trap, flame trap is arranged in gas rail front end, links to each other with hydrogen gas rail by connecting pipeline, and the hydrogen nozzle is installed on the hydrogen gas rail, the hydrogen nozzle is installed on the intake manifold of gas handling system simultaneously, and described hydrogen nozzle is by nozzle driver drives, multipoint sequential injection electric control system controls;
At described hydrogen gas rail the Hydrogen Vapor Pressure temperature transducer is installed, is furnished with the suction pressure temperature transducer, on the gas exhaust manifold of vent systems, be furnished with broad domain oxygen sensor at the pressure stabilizing cavity front end of intake manifold; Front end in intake manifold is equipped with electronic throttle, and described Hydrogen Vapor Pressure temperature transducer, suction pressure temperature transducer, broad domain oxygen sensor are transferred to ECU with signal.
2. hydrogen engine according to claim 1 is characterized in that: the exhaust manifold of described vent systems is provided with a NSR catalytic converter of handling NOx.
3. hydrogen engine according to claim 1 and 2 is characterized in that: described hydrogen spray nozzle front end is by the sealing of cushion rubber realization with intake manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100652497A CN102155291A (en) | 2011-03-18 | 2011-03-18 | Hydrogen engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100652497A CN102155291A (en) | 2011-03-18 | 2011-03-18 | Hydrogen engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102155291A true CN102155291A (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100652497A Pending CN102155291A (en) | 2011-03-18 | 2011-03-18 | Hydrogen engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102155291A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989518A (en) * | 2015-07-04 | 2015-10-21 | 徐全水 | Hydrogen engine unit |
| CN106979098A (en) * | 2017-06-02 | 2017-07-25 | 广西玉柴机器股份有限公司 | the air inlet pipe assembly of gas engine |
| WO2021008098A1 (en) * | 2019-07-15 | 2021-01-21 | 李宏伟 | Direct-combustion hydrogen energy vehicle |
| CN115217584A (en) * | 2022-03-01 | 2022-10-21 | 广州汽车集团股份有限公司 | Exhaust gas treatment device and exhaust gas treatment method for hydrogen engine, and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617708A (en) * | 1992-07-02 | 1994-01-25 | Mazda Motor Corp | Fuel supplying device for hydrogen engine |
| JPH08158878A (en) * | 1994-12-06 | 1996-06-18 | Mazda Motor Corp | Hydrogen fuel 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 |
| CN101397949A (en) * | 2008-11-06 | 2009-04-01 | 王旭光 | Gas control injector for compression hydrogen vehicle |
| CN101560931A (en) * | 2008-12-12 | 2009-10-21 | 北京理工大学 | Hydrogen supply control device for hydrogen internal combustion engine |
-
2011
- 2011-03-18 CN CN2011100652497A patent/CN102155291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617708A (en) * | 1992-07-02 | 1994-01-25 | Mazda Motor Corp | Fuel supplying device for hydrogen engine |
| JPH08158878A (en) * | 1994-12-06 | 1996-06-18 | Mazda Motor Corp | Hydrogen fuel 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 |
| CN101397949A (en) * | 2008-11-06 | 2009-04-01 | 王旭光 | Gas control injector for compression hydrogen vehicle |
| CN101560931A (en) * | 2008-12-12 | 2009-10-21 | 北京理工大学 | Hydrogen supply control device for hydrogen internal combustion engine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989518A (en) * | 2015-07-04 | 2015-10-21 | 徐全水 | Hydrogen engine unit |
| CN106979098A (en) * | 2017-06-02 | 2017-07-25 | 广西玉柴机器股份有限公司 | the air inlet pipe assembly of gas engine |
| CN106979098B (en) * | 2017-06-02 | 2018-08-10 | 广西玉柴机器股份有限公司 | The air inlet pipe assembly of gas engine |
| WO2021008098A1 (en) * | 2019-07-15 | 2021-01-21 | 李宏伟 | Direct-combustion hydrogen energy vehicle |
| CN113302387A (en) * | 2019-07-15 | 2021-08-24 | 李宏伟 | Direct-fired hydrogen energy automobile |
| CN115217584A (en) * | 2022-03-01 | 2022-10-21 | 广州汽车集团股份有限公司 | Exhaust gas treatment device and exhaust gas treatment method for hydrogen engine, and vehicle |
| CN115217584B (en) * | 2022-03-01 | 2024-03-08 | 广州汽车集团股份有限公司 | Exhaust gas treatment device and exhaust gas treatment method for hydrogen engine, and vehicle |
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Application publication date: 20110817 |