CN114790955B - Hybrid power engine capable of realizing range increase of oil and electricity - Google Patents
Hybrid power engine capable of realizing range increase of oil and electricity Download PDFInfo
- Publication number
- CN114790955B CN114790955B CN202210487093.XA CN202210487093A CN114790955B CN 114790955 B CN114790955 B CN 114790955B CN 202210487093 A CN202210487093 A CN 202210487093A CN 114790955 B CN114790955 B CN 114790955B
- Authority
- CN
- China
- Prior art keywords
- oil
- combustion chamber
- realizing
- engine capable
- electricity
- 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.)
- Active
Links
- 230000005611 electricity Effects 0.000 title claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention discloses a hybrid power engine capable of realizing oil-electricity range extension, which relates to a hybrid power engine, and aims to solve the defects of the two engines and realize the purposes of oil-electricity range extension, energy conservation and emission reduction. The invention has simple structure, convenient assembly and disassembly, reduces pollutant discharge, increases engine thrust and reduces production cost. The invention relates to the technical field of aircraft engines.
Description
Technical Field
The invention relates to a hybrid power engine, in particular to a hybrid power engine capable of realizing oil-electricity range increase, which is suitable for low Mach number small and medium-sized aircrafts.
Background
In the current background, aircraft are evolving towards low carbon, environmental protection. The pure electric aircraft uses ducted fans, propellers and the like as thrust devices, but the thrust is often insufficient due to factors such as lower battery energy density and the like. The turbojet engine can provide larger thrust, but the turbine is limited by materials and cooling technology, so that the thermal efficiency is lower, the oil consumption is larger, the emission is more, and the requirements of energy conservation and emission reduction are not met. In order to reduce pollutant emission, increase engine thrust and reduce production cost, it is necessary to develop a hybrid engine capable of realizing oil-electricity range increase based on two engine technologies.
Disclosure of Invention
The invention aims to solve the defects of the two engines and achieve the aims of increasing the range of oil and electricity, saving energy and reducing emission, and further provides a hybrid power engine capable of achieving the range increase of oil and electricity.
The technical scheme adopted by the invention for solving the problems is as follows:
the invention comprises an air inlet channel, a ducted fan assembly, an isolation section, a combustion chamber and a tail nozzle, wherein the ducted fan assembly comprises a metal ducted barrel, fan blades, a main shaft and a motor, the air inlet channel, the metal ducted barrel, the isolation section, the combustion chamber and the tail nozzle are sequentially connected from left to right, the fan blades are arranged in the metal ducted barrel, and the motor is connected with the fan blades through the main shaft.
Further, the outer contour of the isolation section gradually expands from right to left.
Further, the combustion chamber is a cylinder, the front end of the combustion chamber is provided with a plurality of oil injection pipes, and the oil injection pipes are uniformly distributed along the circumferential direction.
Further, each oil spray pipe is provided with a plurality of atomization oil spray holes.
Further, the injection pipe is supplied with oil from an external fuel system.
Further, the outer contour of the tail nozzle is gradually reduced from left to right.
The beneficial effects of the invention are as follows:
1. the invention has simple structure, convenient assembly and disassembly, no complex parts such as a turbine, a rotating shaft and the like are arranged, and the weight is reduced;
2. the ducted fan provides thrust and compresses incoming flow; the arrangement of the isolation section can reduce the interference of the combustion chamber to the front end;
3. The combustion chamber is atomized by adding substances through the oil injection pipe, so that the combustion is complete, larger energy is released, high-temperature and high-pressure gas is generated, and the high-temperature and high-pressure gas is sprayed out through the tail spray pipe to play a role in boosting and increasing the range;
4. the fan is driven by the motor, so that the mode of the combined working of the compressor and the turbine is replaced, the starting is convenient, the rotating speed of the motor and whether the combustion chamber works or not can be adjusted according to the requirement, the pollutant emission is reduced, and the energy-saving and environment-friendly effects are realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
In the figure: 1-air inlet, 2-metal duct barrels, 3-fans, 4-main shafts, 5-motors, 6-isolation sections, 7-combustion chambers, 8-oil injection pipes and 9-tail nozzles.
Detailed Description
The first embodiment is as follows: referring to fig. 1, the hybrid power engine capable of realizing the range increase of the oil and electricity according to the present embodiment includes an air inlet duct 1, a ducted fan assembly, an isolation section 6, a combustion chamber 7 and a tail nozzle 9, the ducted fan assembly includes a metal ducted barrel 2, a fan blade 3, a main shaft 4 and a motor 5, the air inlet duct 1, the isolation section 6 of the metal ducted barrel 2, the combustion chamber 7 and the tail nozzle 9 are sequentially connected from left to right, the fan 3 is installed in the metal ducted barrel 2, the motor 5 is connected with the fan blade 3 through the main shaft 4, the fan blade is driven to rotate by the motor, and the motor is powered by an external power supply through a circuit.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1, in which the outer contour of the isolation section 6 is gradually widened from right to left.
The design of the isolation section 6 predicts the fan outlet pressure P e＝F/Ae based on reference data given by the merchant. In order to achieve the maximum acceleration effect of the tapered nozzle, the nozzle outlet is assumed to be in a critical state, and the airflow speed is Mach 1. Under the condition, designing a nozzle contraction section, designing a tapered nozzle based on a Vidolichos curve, and obtaining the nozzle contraction section meeting certain conditions through a 3D drawing and printing technology.
Other components are the same as those in the second embodiment in connection.
And a third specific embodiment: referring to fig. 1, the combustion chamber 7 according to the present embodiment is a cylindrical body, and a plurality of injection pipes 8 are provided at the tip of the combustion chamber 7, and the injection pipes 8 are uniformly distributed in the circumferential direction.
Other components are the same as those in the first or second embodiment in connection.
The specific embodiment IV is as follows: the present embodiment is described with reference to fig. 1, in which a plurality of atomization injection holes are provided for each injection pipe 8.
Other compositions and connection relationships are the same as those of the first, second or third embodiments.
Fifth embodiment: the present embodiment will be described with reference to fig. 1, in which the injection pipe 8 is supplied with fuel from an external fuel system.
Other compositions and connection relationships are the same as those of the first, second, third or fourth embodiments.
Specific embodiment six: the outer contour of the tail pipe 9 according to the present embodiment is tapered from left to right in order, as described in the present embodiment with reference to fig. 1. The tail pipe 9 is a convergent nozzle, so that the outlet condition of the tail pipe approaches a critical state.
Other compositions and connection relationships are the same as those of the first, second, third, fourth or fifth embodiments.
Working principle:
The air flow enters the engine through the air inlet channel 1 and is compressed; the bypass fan blades 3 are driven by the motor 5 to rotate, work is added to diffuse incoming flow, namely thrust is generated, and air is further compressed; the rotating speed of the motor 5 can be adjusted according to the working requirement, and the current flying speed is adapted. When the thrust is sufficient, the combustion chamber 7 does not work, and only the fan generates thrust; when the required thrust is insufficient, the oil injection pipe 8 injects oil, the combustion chamber 7 ignites and burns, energy is released, high-temperature and high-pressure gas is generated, and the gas is discharged through the tail pipe 9, so that the effect of increasing the thrust and the range is achieved.
The present invention is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other embodiments, such as those described above, of making various modifications and equivalents will fall within the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a can realize hybrid engine of oil electricity increase journey, includes intake duct (1), combustion chamber (7) and tail pipe (9), its characterized in that: still include duct fan subassembly and keep apart section (6), duct fan subassembly includes metal duct bucket (2), fan blade (3), main shaft (4) and motor (5), and intake duct (1), metal duct bucket (2), keep apart section (6), combustion chamber (7) and tail pipe (9) are connected gradually from left to right, and fan blade (3) are installed in metal duct bucket (2), and motor (5) are connected with fan blade (3) through main shaft (4), the outline of keep apart section (6) is the convergent nozzle that gradually expands from right to left to reduce combustion chamber (7) and produce the interference to the front end.
2. The hybrid engine capable of realizing the range increase of oil and electricity according to claim 1, wherein: the combustion chamber (7) is a cylinder, a plurality of oil injection pipes (8) are arranged at the front end of the combustion chamber (7), and the oil injection pipes (8) are uniformly distributed along the circumferential direction.
3. The hybrid engine capable of realizing the range increase of the oil and electricity according to claim 2, wherein: each oil spray pipe (8) is provided with a plurality of atomization oil spray holes.
4. A hybrid engine capable of realizing a range increase by oil and electricity according to claim 3, characterized in that: the injection pipe (8) is supplied with oil by an external fuel system.
5. The hybrid engine capable of realizing the range increase of oil and electricity according to claim 1, wherein: the outer contour of the tail spray pipe (9) is gradually reduced from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210487093.XA CN114790955B (en) | 2022-05-06 | Hybrid power engine capable of realizing range increase of oil and electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210487093.XA CN114790955B (en) | 2022-05-06 | Hybrid power engine capable of realizing range increase of oil and electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114790955A CN114790955A (en) | 2022-07-26 |
| CN114790955B true CN114790955B (en) | 2024-06-25 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649781A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Jet engine |
| CN102146858A (en) * | 2010-08-12 | 2011-08-10 | 靳北彪 | Stamping engine for pneumatic turbine |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649781A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Jet engine |
| CN102146858A (en) * | 2010-08-12 | 2011-08-10 | 靳北彪 | Stamping engine for pneumatic turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110985215B (en) | Integrated system for starting of micro turbojet engine | |
| CN105221295A (en) | A kind of punching press-turbojet compound aeroengine | |
| CN108757182B (en) | air-breathing rocket engine and hypersonic aircraft | |
| CN203906118U (en) | Gas cooling system for turbine-based combined-cycle engine | |
| CN108506111B (en) | Microminiature turbofan engine | |
| CN110397519A (en) | A kind of miniature oil electric mixed dynamic fanjet | |
| CN2695659Y (en) | Composite ramjet and fanjet engine | |
| WO2021249185A1 (en) | Large thrust-to-weight ratio efficient propeller having secondary expansion working capability | |
| CN201620968U (en) | Multielement inlet turbine rear augmentation fan engine | |
| CN212615068U (en) | Distributed propulsion turbofan engine | |
| CN203906119U (en) | Turbine-based combined cycle engine of wide flight envelope aircraft | |
| CN103726952B (en) | Shunting gas-turbine unit | |
| CN114790955B (en) | Hybrid power engine capable of realizing range increase of oil and electricity | |
| CN2620100Y (en) | Combined fanjet | |
| CN115680934A (en) | Novel power system with three modes | |
| CN216198488U (en) | Gas turbine | |
| CN113864082B (en) | Aviation jet engine | |
| CN216198489U (en) | Gas turbine | |
| CN211174361U (en) | Starting and launching integrated system for micro turbojet engine | |
| CN114790955A (en) | Hybrid power engine capable of realizing oil-electricity range extension | |
| CN208734454U (en) | A kind of novel microminiature fan postposition fanjet | |
| CN216691282U (en) | Combined propulsion system of separate-exhaust air turbine rocket | |
| CN208138061U (en) | A kind of microminiature fanjet | |
| CN103375265A (en) | Turboshaft engine and use method thereof | |
| CN114876645B (en) | Dual-fuel energy-saving environment-friendly aeroengine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |