CN111852659A - Micropore intermittent detonation jet engine - Google Patents
Micropore intermittent detonation jet engine Download PDFInfo
- Publication number
- CN111852659A CN111852659A CN202010843844.8A CN202010843844A CN111852659A CN 111852659 A CN111852659 A CN 111852659A CN 202010843844 A CN202010843844 A CN 202010843844A CN 111852659 A CN111852659 A CN 111852659A
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- Prior art keywords
- oil
- valve plate
- gas hole
- oil gas
- plate
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- 238000005474 detonation Methods 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 239000003921 oil Substances 0.000 claims description 82
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000346 nonvolatile oil Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/232—Fuel valves; Draining valves or systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
The invention discloses a micropore intermittent detonation jet engine, which comprises an engine shell, wherein the engine shell is provided with an air inlet and an air outlet, one end of the engine shell, which is close to the air inlet, is sequentially provided with an air inlet fan and an oil inlet valve plate structure along the direction from the air inlet to the air outlet, the part, which is positioned from the oil inlet valve plate structure to the air outlet, of the engine shell is a combustion chamber, and one end, which is close to the air outlet, of the combustion chamber is provided with a plurality of spark plugs; the oil inlet valve plate structure is composed of an oil gas hole plate and an oil gas hole valve plate which are matched with each other, wherein the oil gas hole plate and the oil gas hole valve plate are respectively provided with a plurality of small holes for oil gas to pass through, the small holes in the oil gas hole valve plate are staggered with the small holes in the oil gas hole plate, and part of the small holes in the oil gas hole plate are communicated with an oil pipe.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a micropore intermittent detonation jet engine.
Background
The existing jet engine utilizes the turbojet, the turbofan and the turbine to enable airflow generated in the jet process of the combustion chamber to form larger thrust, so that the utilization rate of the power of the engine and the economic performance of fuel oil are greatly improved, but the structure is complex, and meanwhile, a continuous combustion mode is adopted, so that the fuel oil consumption is large.
Disclosure of Invention
The invention provides a micropore intermittent detonation jet engine for solving the technical problem.
The invention is realized by the following technical scheme: the microporous intermittent detonation jet engine comprises an engine shell, wherein the engine shell is provided with an air inlet and an air outlet, an air inlet fan and an oil inlet valve plate structure are sequentially arranged at one end, close to the air inlet, of the engine shell along the direction from the air inlet to the air outlet, the part, located from the oil inlet valve plate structure to the air outlet, of the engine shell is a combustion chamber, and a plurality of spark plugs are arranged at one end, close to the air outlet, of the combustion chamber;
the oil inlet valve plate structure is composed of an oil gas hole plate and an oil gas hole valve plate which are matched with each other, a plurality of small holes for oil gas to pass through are formed in the oil gas hole plate and the oil gas hole valve plate, the small holes in the oil gas hole valve plate are staggered with the small holes in the oil gas hole plate, part of the small holes in the oil gas hole plate are communicated with oil pipes, and plugs which are matched with the small holes in the oil gas hole valve plate are arranged on the oil gas hole valve plate;
the inner wall of engine housing the spout that is used for fixed oil inlet valve plate structure has, the oil gas orifice plate correspond the air inlet direction and fuse as an organic whole with engine housing, the oil gas orifice valve plate correspond the gas vent direction and can slide in the spout.
The air and fuel are mixed by the air inlet fan and then are fed into the combustion chamber through the small holes in the oil-gas hole plate and the oil-gas hole valve plate, the fuel is violently combusted and detonated when reaching the spark plug, at the moment, the oil-gas hole valve plate moves towards the oil-gas hole plate under the action of the detonated action, the small holes in the oil-gas hole plate are blocked by the plugs on the oil-gas hole valve plate, so that the combusted gas can only flow out of the exhaust port, on one hand, the backfire is prevented, on the other hand, the combusted gas is more powerfully ejected, after the gas in the combustion chamber is ejected, the pressure of the combustion chamber is smaller than the wind power of the air inlet fan, at the moment, the oil-gas hole valve plate moves in the direction far away from the oil-gas hole plate, so that the air.
Preferably, the oil gas hole valve plate is fixed with the sliding groove through a sliding rail.
Preferably, the oil gas hole valve plate correspond the spout and keep away from the one side of air inlet and be equipped with buffer spring, the reaction force that produces when reducing oil gas hole valve plate striking spout.
Preferably, one end of the plug, corresponding to the small hole in the oil-air hole plate, is in a frustum shape, and a rubber layer is arranged on the surface of the plug, so that the sealing capacity is improved.
Preferably, the one side that oil gas hole valve plate hug closely oil gas hole board be equipped with sealed the pad, sealed pad have with oil gas hole valve plate on aperture and the plug to the hole of adaptation, the reaction force that produces when reducing oil gas hole valve plate striking oil gas hole board.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the engine has simple structure, adopts detonation combustion to save oil, has stronger explosive force, and has larger reaction force compared with continuous combustion in intermittent combustion so as to generate larger thrust.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of the overall structure of the present invention.
Description of reference numerals:
1. the engine comprises an engine shell, 2, an air inlet fan, 3, an oil inlet valve plate structure, 31, an oil gas hole plate, 32, an oil gas hole valve plate, 33, small holes, 34, a plug, 4, a spark plug, 5 and an oil pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
A micropore intermittent detonation jet engine as shown in fig. 1, which comprises an engine shell 1, wherein the engine shell 1 is provided with an air inlet and an air outlet, an air inlet fan 2 and an oil inlet valve plate structure 3 are sequentially arranged at one end of the engine shell 1 close to the air inlet and along the direction from the air inlet to the air outlet, the part of the engine shell 1 from the oil inlet valve plate structure 3 to the air outlet is a combustion chamber, and a plurality of spark plugs 4 are arranged at one end of the combustion chamber close to the air outlet;
the oil inlet valve plate structure 3 is composed of an oil gas hole plate 31 and an oil gas hole valve plate 32 which are matched with each other, a plurality of small holes 33 for oil gas to pass through are formed in the oil gas hole plate 31 and the oil gas hole valve plate 32, the small holes 33 in the oil gas hole valve plate 32 are staggered with the small holes 33 in the oil gas hole plate 31, part of the small holes 33 in the oil gas hole plate 31 are communicated with an oil pipe 5, and plugs 34 which are matched with the small holes 33 in the oil gas hole valve plate 32 are arranged on the oil gas hole valve plate 32;
the inner wall of engine housing 1 the spout 11 that is used for fixed oil inlet valve plate structure 3 has, oil gas orifice plate 31 correspond the air inlet direction and combine together with engine housing 1, oil gas orifice valve plate 32 correspond the gas vent direction and slidable in spout 11.
In implementation, firstly, when the air intake fan 2 is started, a large amount of air passes through the small holes 33 on the oil hole plate 31, the oil pipe 5 communicated with partial small holes 33 of the oil hole plate 31 simultaneously ejects fuel oil, the fuel oil and the air simultaneously enter the combustion chamber through the small holes 33 on the oil gas hole valve plate, when the fuel oil and the air enter the combustion chamber and reach the spark plug 4, the fuel oil and the air are ignited to generate violent combustion detonation, then the oil gas hole valve plate 32 moves towards the oil hole plate 31 under the action of the detonation, the plug 34 on the oil gas hole valve plate 32 plugs the small holes 33 on the oil hole plate 31, so that the fuel oil and the air do not enter the combustion chamber, at the moment, gas generated after the fuel oil is combusted can only exit from the exhaust port, on one hand, the backfire is prevented, on the other hand, the combusted gas is more forcefully ejected, finally, after the gas in the combustion chamber is ejected, the pressure in the combustion, so that the air and the fuel can enter the combustion chamber again, and the fuel burns and knocks again to form circulation when reaching the spark plug 4, so that the fuel burns and knocks intermittently in the combustion chamber, and the fuel is saved.
As a preferable scheme of the above embodiment, the oil and gas hole valve plate 32 is fixed with the chute 11 by a slide rail.
As the preferred scheme of above-mentioned embodiment, in order to reduce the reaction force that produces when oil gas hole valve plate 32 strikes spout 11, oil gas hole valve plate 32 corresponds the spout 11 and is kept away from the one side of air inlet and is equipped with buffer spring.
In order to improve the sealing capability between the plug 34 and the small hole 33 of the oil-gas hole plate 31, the end of the plug 34 corresponding to the small hole 33 of the oil-gas hole plate 31 is preferably frustum-shaped, and a rubber layer is provided on the surface of the plug 34.
In order to reduce the reaction force generated when the oil and gas hole valve plate 32 hits the oil and gas hole plate 31, a gasket having holes fitting the small holes 33 and the plugs 34 of the oil and gas hole valve plate 32 is provided on the surface of the oil and gas hole valve plate 32 that is in close contact with the oil and gas hole plate 31.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A micropore intermittent detonation jet engine is characterized by comprising an engine shell, wherein the engine shell is provided with an air inlet and an air outlet, an air inlet fan and an oil inlet valve plate structure are sequentially arranged at one end of the engine shell close to the air inlet and along the direction from the air inlet to the air outlet, the part of the engine shell, positioned from the oil inlet valve plate structure to the air outlet, is a combustion chamber, and a plurality of spark plugs are arranged at one end of the combustion chamber close to the air outlet;
the oil inlet valve plate structure is composed of an oil gas hole plate and an oil gas hole valve plate which are matched with each other, a plurality of small holes for oil gas to pass through are formed in the oil gas hole plate and the oil gas hole valve plate, the small holes in the oil gas hole valve plate are staggered with the small holes in the oil gas hole plate, part of the small holes in the oil gas hole plate are communicated with oil pipes, and plugs which are matched with the small holes in the oil gas hole valve plate are arranged on the oil gas hole valve plate;
the inner wall of engine housing the spout that is used for fixed oil inlet valve plate structure has, the oil gas orifice plate correspond the air inlet direction and fuse as an organic whole with engine housing, the oil gas orifice valve plate correspond the gas vent direction and can slide in the spout.
2. A microhole intermittent detonation jet engine as claimed in claim 1 in which the oil and gas port valve plate is fixed to the chute by means of a slide rail.
3. The microporous intermittent detonation jet engine of claim 1, characterized in that a buffer spring is arranged on the face of the oil-gas hole valve plate corresponding to the chute and away from the air inlet.
4. A microhole intermittent detonation jet engine as claimed in claim 1 characterised in that the end of the plug corresponding to the aperture in the oil and gas orifice plate is frustoconical and the surface of the plug is provided with a rubber layer.
5. The microporous intermittent detonation jet engine of claim 1, characterized in that one side of the oil and gas hole valve plate clinging to the oil and gas hole plate is provided with a sealing gasket, and the sealing gasket is provided with holes matched with the small holes on the oil and gas hole valve plate and the plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843844.8A CN111852659A (en) | 2020-08-20 | 2020-08-20 | Micropore intermittent detonation jet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843844.8A CN111852659A (en) | 2020-08-20 | 2020-08-20 | Micropore intermittent detonation jet engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111852659A true CN111852659A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010843844.8A Pending CN111852659A (en) | 2020-08-20 | 2020-08-20 | Micropore intermittent detonation jet engine |
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| Country | Link |
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| CN (1) | CN111852659A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525910A (en) * | 1983-08-08 | 1985-07-02 | Vernay Laboratories, Inc. | Resilient tipped needle valve |
| US4959009A (en) * | 1989-06-26 | 1990-09-25 | Indugas, Inc. | Pulse burner and method of operation |
| CN110017220A (en) * | 2019-05-14 | 2019-07-16 | 西北工业大学 | A kind of piston type pulse-knocking engine |
| CN212296631U (en) * | 2020-08-20 | 2021-01-05 | 李彦君 | Micropore intermittent detonation jet engine |
-
2020
- 2020-08-20 CN CN202010843844.8A patent/CN111852659A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525910A (en) * | 1983-08-08 | 1985-07-02 | Vernay Laboratories, Inc. | Resilient tipped needle valve |
| US4959009A (en) * | 1989-06-26 | 1990-09-25 | Indugas, Inc. | Pulse burner and method of operation |
| CN110017220A (en) * | 2019-05-14 | 2019-07-16 | 西北工业大学 | A kind of piston type pulse-knocking engine |
| CN212296631U (en) * | 2020-08-20 | 2021-01-05 | 李彦君 | Micropore intermittent detonation jet engine |
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