CN109944684A - A kind of hydrogen-oxygen rotary engine and control method - Google Patents
A kind of hydrogen-oxygen rotary engine and control method Download PDFInfo
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- CN109944684A CN109944684A CN201910182301.3A CN201910182301A CN109944684A CN 109944684 A CN109944684 A CN 109944684A CN 201910182301 A CN201910182301 A CN 201910182301A CN 109944684 A CN109944684 A CN 109944684A
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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
- Y02T10/12—Improving ICE efficiencies
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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
Abstract
The present invention devises a kind of hydrogen-oxygen rotary engine and control method.The present invention is using Pressure Rise Rate in rotor-position signal and cylinder as foundation, pass through hydrogen flowing quantity controller and oxygen flux control device, adjust the time for spraying and the amount of injection for spraying into hydrogen and oxygen in combustion chamber, rotor machine air throttle pumping loss is eliminated, solves the problems, such as that air intake duct is tempered and makes hydrogen and oxygen mixture economical combustion in cylinder in rotor machine combustion process.This invention removes the discharges that current rotor machine generates in the process of running, realize the zero-emission of pollutant.
Description
Technical field
The present invention provides a kind of hydrogen-oxygen rotary engine and control methods.It is related to the supply of rotary engine fuel and burning
Optimization, belongs to field of internal combustion engine.
Background technique
As environmental problem is increasingly by the attention of numerous people, various countries are also increasingly stringenter the monitoring of pollution.Vapour
Tail gas discharge has also been pulled to foreground in such a case, and each state all has launched relevant laws and regulations and carrys out restricting vehicle tail gas
Discharge.Therefore, it reduces engine consumption and discharge has become the mainstream research direction in Current internal combustion engines field.A kind of hydrogen-oxygen
Rotary engine and control method
Compared with reciprocating piston machine, rotary engine has that small in size, light-weight, structure is simple, and it is excellent that power to weight ratio is big etc.
Rotor machine is widely used in unmanned plane, military special type vehicle, marine corps's landing craft, spitkit by point, countries in the world
With the fields such as portable generator.However, rotor machine is there is also fuel economy difference and discharges the problems such as high, these is caused to ask
The main reason for topic is quick, the completely burned that the long and narrow chamber structure of rotor machine is unfavorable for fuel, and higher surface to volume ratio increases
Added wall surface quench breath the problem of and linear sealing form lead to higher leak rate etc..It is increasingly strict with emission regulation, turn
Sub- engine is also faced with the problem of energy-saving and emission-reduction.
Generation product of the hydrogen under pure oxygen atmosphere only has water, will not generate environmentally harmful discharge product.Therefore, originally
Invention proposes that a kind of hydrogen-oxygen rotor starts and control method, the invention are eliminating air intake duct pumping loss, realizing rotor hair
The problem of rotary engine pre-ignition tempering is further avoided on the basis of motivation zero-emission.
Summary of the invention
Higher problem is discharged in order to improve rotor machine, the present invention provides a kind of hydrogen-oxygen rotary engine and controlling parties
Method further avoids rotary engine on the basis of eliminating air intake duct pumping loss, realizing rotary engine zero-emission
The problem of pre-ignition is tempered.
The present invention adopts the following technical scheme:
Hydrogen cylinder (1), hydrogen cylinder pressure reducing valve (2), hydrogen flowing quantity controller (3), fire-retardant valve (4) and hydrogen nozzle (6) lead to
Hydrogen pipeline (5) and rotor machine (8) are crossed to be connected in series；Oxygen cylinder (15), oxygen cylinder pressure reducing valve (14), oxygen flux control device
(13) it is connected in series with oxygen jet (11) by oxygen pipeline (12) and rotor machine (8)；Rotor machine is provided with spark plug on (8)
(7), rotor machine (8) is internally provided with rotor (9)；Gas exhaust piping (16) and rotor machine (8) are connected in series；Electronic control unit (10) connects
Pressure Rise Rate signal n in receipts rotor-position signal m, cylinder, and pass through hydrogen flowing quantity signal (a), oxygen flow signal (e), hydrogen spray
Mouth signal (b), oxygen signal nozzle (d) and spark plug signal (c) control hydrogen and oxygen injection and spark plug (7) igniting.
Utilize engine as described above, it is characterised in that:
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder.When in cylinder
Pressure Rise Rate is not higher than 0.2MPa/ °C of A and rotor (9) crank angle is 470 ° before top dead centre to angle a certain between before top dead centre 270 °
When spending, electronic control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；When Pressure Rise Rate in cylinder
Not higher than 0.2MPa/ °C of A and rotor (9) crank angle be before top dead centre 270 ° between top dead centre when a certain angle, automatically controlled list
First (10) close oxygen jet (11) opening hydrogen nozzle (6) and spray into hydrogen into cylinder, and control spark plug (7) and light mixing
The gas of gas, generation of burning is discharged with gas exhaust piping (16).
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder.When in cylinder
Pressure Rise Rate is higher than 0.2MPa/ °C of A and rotor (9) crank angle for 470 ° before top dead centre to angle a certain between before top dead centre 270 °
When, electronic control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；When Pressure Rise Rate is high in cylinder
In 0.2MPa/ °C of A and rotor (9) crank angle be before top dead centre 270 ° to a certain angle between top dead centre when, electronic control unit
(10) hydrogen nozzle (6) are adjusted and reduces the amounts of hydrogen sprayed into cylinder according to certain rate L, wherein L is 0 < L≤20L/
Any number in min, and control spark plug (7) and light mixed gas, until engine Pressure Rise Rate is not higher than 0.2MPa/ °C of A, electricity
Control unit (10) stops continuing to reduce amounts of hydrogen and keeps present hydrogen flow, and controls spark plug (7) and light mixed gas, fires
The gas generated is burnt to be discharged with gas exhaust piping (16).
Detailed description of the invention
Structure and working principle diagram Fig. 1 of the invention
In figure: 1, hydrogen cylinder, 2, hydrogen cylinder pressure reducing valve, 3 hydrogen flowing quantity controllers, 4, fire-retardant valve 5, hydrogen pipeline, 6, hydrogen
Gas jets, 7 spark plugs, 8 rotor machines, 9 rotors, 10 electronic control unit, 11, oxygen jet, 12 oxygen pipelines, 13 oxygen flux controls
Device, 14, oxygen cylinder pressure reducing valve, 15, oxygen cylinder, 16, gas exhaust piping, hydrogen flowing quantity signal (a), hydrogen nozzle signal (b), spark
It fills in signal (c), oxygen signal nozzle (d), oxygen flow signal (e), rotor-position signal m, Pressure Rise Rate signal n in cylinder,
Specific embodiment
The present invention is described further with reference to the accompanying drawings and detailed description:
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder.When in cylinder
Pressure Rise Rate is not higher than 0.2MPa/ °C of A and rotor (9) crank angle is 470 ° before top dead centre to angle a certain between before top dead centre 270 °
When spending, it is believed that gaseous mixture normal combustion in cylinder can spray into oxygen in intake process, spray into hydrogen in compression process.Therefore, electric
Control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；Due to the invention induction part
There is no air inlet pipe and air throttle, therefore, the pumping loss in engine intake process that the program avoids.When Pressure Rise Rate is not in cylinder
Higher than 0.2MPa/ °C of A and rotor (9) crank angle be before top dead centre 270 ° between top dead centre when a certain angle, electronic control unit
(10) it closes oxygen jet (11) opening hydrogen nozzle (6) and sprays into hydrogen into cylinder.At this point, since hydrogen and oxygen are not
Cylinder is sprayed into respectively with stroke, therefore, the problem of This solution avoids the pre-ignition being likely to occur and tempering.Then, automatically controlled list
Mixed gas is lighted in first (10) control spark plug (7), and the gas for generation of burning is discharged with gas exhaust piping (16).
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder.When in cylinder
Pressure Rise Rate is higher than 0.2MPa/ °C of A and rotor (9) crank angle for 470 ° before top dead centre to angle a certain between before top dead centre 270 °
When, it is believed that gaseous mixture rough combustion in cylinder can maintain the amount of oxygen sprayed into intake process, what reduction was sprayed into compression process
Amounts of hydrogen.Therefore, electronic control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；Work as cylinder
Interior Pressure Rise Rate be higher than 0.2MPa/ °C of A and rotor (9) crank angle be before top dead centre 270 ° between top dead centre when a certain angle,
Electronic control unit (10) adjusts hydrogen nozzle (6) and reduces the amounts of hydrogen sprayed into cylinder according to certain rate L, and wherein L is 0 <
Any number in L≤20L/min, and control spark plug (7) and light mixed gas, until engine Pressure Rise Rate is not higher than
0.2MPa/ °C of A, electronic control unit (10) stopping continues to reduce amounts of hydrogen and keeps present hydrogen flow, and controls spark plug (7) point
Mixed gas is fired, the gas for generation of burning is discharged with gas exhaust piping (16).
Claims (2)
1. a kind of hydrogen-oxygen rotary engine, characterized by comprising: hydrogen cylinder (1), hydrogen cylinder pressure reducing valve (2), hydrogen flowing quantity control
Device (3) processed, fire-retardant valve (4) and hydrogen nozzle (6) are connected in series by hydrogen pipeline (5) and rotor machine (8)；Oxygen cylinder (15),
Oxygen cylinder pressure reducing valve (14), oxygen flux control device (13) and oxygen jet (11) pass through oxygen pipeline (12) and rotor machine (8)
It is connected in series；It is provided on rotor machine (8) spark plug (7), rotor machine (8) is internally provided with rotor (9)；Gas exhaust piping (16) with
Rotor machine (8) is connected in series；Pressure Rise Rate signal n in electronic control unit (10) reception rotor-position signal m, cylinder, and pass through hydrogen stream
Signal (a), oxygen flow signal (e), hydrogen nozzle signal (b), oxygen signal nozzle (d) and spark plug signal (c) is measured to control
Hydrogen and oxygen injection and spark plug (7) igniting.
2. controlling a kind of method of hydrogen-oxygen rotary engine as described in claim 1, it is characterised in that:
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder；When cylinder internal pressure liter
Rate is not higher than 0.2MPa/ DEG C of A and rotor (9) crank angle is 470 ° before top dead centre to angle a certain between before top dead centre 270 °
When, electronic control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；When Pressure Rise Rate is not in cylinder
Higher than 0.2MPa/ DEG C of A and rotor (9) crank angle be before top dead centre 270 ° between top dead centre when a certain angle, electronic control unit
(10) it closes oxygen jet (11) opening hydrogen nozzle (6) and sprays into hydrogen into cylinder, and control spark plug (7) and light gaseous mixture
The gas of body, generation of burning is discharged with gas exhaust piping (16)；
After rotary engine work, electronic control unit (10) receives Pressure Rise Rate signal n in position signal m and cylinder；When cylinder internal pressure liter
Rate be higher than 0.2MPa/ DEG C of A and rotor (9) crank angle be before top dead centre 470 ° between before top dead centre 270 ° when a certain angle,
Electronic control unit (10) opens oxygen jet (11) closing hydrogen nozzle (6) and sprays into oxygen into cylinder；When Pressure Rise Rate is higher than in cylinder
0.2MPa/ DEG C of A and rotor (9) crank angle be before top dead centre 270 ° between top dead centre when a certain angle, electronic control unit (10)
It adjusts hydrogen nozzle (6) and reduces the amounts of hydrogen sprayed into cylinder according to certain rate L, wherein L is in 0 < L≤20L/min
Any number, and control spark plug (7) and light mixed gas, until engine Pressure Rise Rate is not higher than 0.2MPa/ DEG C of A, automatically controlled list
First (10) stop continuing to reduce amounts of hydrogen and keep present hydrogen flow, and control spark plug (7) and light mixed gas, and burning produces
Raw gas is discharged with gas exhaust piping (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182301.3A CN109944684B (en) | 2019-03-07 | 2019-03-07 | Hydrogen-oxygen rotor engine and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182301.3A CN109944684B (en) | 2019-03-07 | 2019-03-07 | Hydrogen-oxygen rotor engine and control method |
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| CN109944684A true CN109944684A (en) | 2019-06-28 |
| CN109944684B CN109944684B (en) | 2020-11-06 |
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| CN201910182301.3A Active CN109944684B (en) | 2019-03-07 | 2019-03-07 | Hydrogen-oxygen rotor engine and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529321A (en) * | 2019-08-19 | 2019-12-03 | 北京工业大学 | A kind of cylinder is interior to spray hydrogen rotator electromechanical control ignition control method |
| CN113513418A (en) * | 2021-06-28 | 2021-10-19 | 北京工业大学 | Control method of non-backfire hydrogen-ammonia dual-fuel zero-carbon rotor machine |
| CN113586267A (en) * | 2021-07-25 | 2021-11-02 | 北京工业大学 | Control method for rotary engine without throttle valve |
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| DE20306866U1 (en) * | 2003-04-28 | 2003-07-31 | Bernau Klaus Juergen | Rotary swing piston motor, using an oxyhydrogen fuel mixture, has a center pressure zone at the rotor and structured piston shapes to seal their swing chambers on a maximum possible swing angle |
| WO2009029525A1 (en) * | 2007-08-24 | 2009-03-05 | Abet Technologies, Llc | Hydrogen peroxide-fueled rotary expansion engine |
| CN101718221A (en) * | 2009-12-18 | 2010-06-02 | 奇瑞汽车股份有限公司 | Application of hydrogen fuel and rotary engine thereof |
| JP2014185593A (en) * | 2013-03-25 | 2014-10-02 | Mazda Motor Corp | Fuel injection device of hydrogen rotary engine |
| CN204532528U (en) * | 2015-03-09 | 2015-08-05 | 李懋源 | A kind of Lavalle gas jet engine device |
| WO2017191222A1 (en) * | 2016-05-03 | 2017-11-09 | Andrew Cassidy | An oxyhydrogen gas fuelled power system and a control system and method for operating the same |
| CN108825366A (en) * | 2018-06-15 | 2018-11-16 | 北京工业大学 | A kind of spark ignition type oxyhydrogen rotary engine and control method |
| CN109404123A (en) * | 2018-12-30 | 2019-03-01 | 北京工业大学 | A kind of hydrogen in-cylinder direct-jet rotor machine and its control method |
| CN109404120A (en) * | 2018-12-30 | 2019-03-01 | 北京工业大学 | The compression-ignited zero nitrogen discharged pure oxygen rotary engine of one kind and its control method |
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| DE20306866U1 (en) * | 2003-04-28 | 2003-07-31 | Bernau Klaus Juergen | Rotary swing piston motor, using an oxyhydrogen fuel mixture, has a center pressure zone at the rotor and structured piston shapes to seal their swing chambers on a maximum possible swing angle |
| WO2009029525A1 (en) * | 2007-08-24 | 2009-03-05 | Abet Technologies, Llc | Hydrogen peroxide-fueled rotary expansion engine |
| CN101718221A (en) * | 2009-12-18 | 2010-06-02 | 奇瑞汽车股份有限公司 | Application of hydrogen fuel and rotary engine thereof |
| JP2014185593A (en) * | 2013-03-25 | 2014-10-02 | Mazda Motor Corp | Fuel injection device of hydrogen rotary engine |
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| CN109404123A (en) * | 2018-12-30 | 2019-03-01 | 北京工业大学 | A kind of hydrogen in-cylinder direct-jet rotor machine and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529321A (en) * | 2019-08-19 | 2019-12-03 | 北京工业大学 | A kind of cylinder is interior to spray hydrogen rotator electromechanical control ignition control method |
| CN113513418A (en) * | 2021-06-28 | 2021-10-19 | 北京工业大学 | Control method of non-backfire hydrogen-ammonia dual-fuel zero-carbon rotor machine |
| CN113513418B (en) * | 2021-06-28 | 2022-06-24 | 北京工业大学 | Control method of non-backfire hydrogen-ammonia dual-fuel zero-carbon rotor machine |
| CN113586267A (en) * | 2021-07-25 | 2021-11-02 | 北京工业大学 | Control method for rotary engine without throttle valve |
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| CN109944684B (en) | 2020-11-06 |
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