CN209637887U - A kind of model turbojet engine with ceramic heater - Google Patents
A kind of model turbojet engine with ceramic heater Download PDFInfo
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- CN209637887U CN209637887U CN201920224519.6U CN201920224519U CN209637887U CN 209637887 U CN209637887 U CN 209637887U CN 201920224519 U CN201920224519 U CN 201920224519U CN 209637887 U CN209637887 U CN 209637887U
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- ceramic heater
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Abstract
The utility model discloses a kind of model turbojet engine with ceramic heater, including shell, fan of calming the anger, turbine, igniter, igniting fuel nozzle and fuel delivery nozzle；The shell is formed with inlet channel, exhaust passage, gas introduction channel and combustion chamber；Fuel oil introducing cylinder is provided in the combustion chamber, the fuel delivery nozzle is inserted into fuel oil introducing cylinder, and the gas introduction channel includes the first passage section with combustion chamber；The igniter includes being arranged in the indoor ceramic heater of burning, the power supply for powering for ceramic heater；The igniting fuel nozzle is located at the side of ceramic heater toward in combustion chamber；The fan of calming the anger, turbine are respectively mounted inside the shell；The fan of calming the anger is for being pressurized gas.By the way that igniter is rationally arranged safety in utilization can be improved, and make starting performance relatively stable in the utility model.
Description
Technical field
The utility model relates to a kind of model turbojet engine with ceramic heater.
Background technique
Model turbojet engine generally relies on combustion gas stream and generates motive force, and has igniter.The igniter
Using heating wire, but heating wire usually needs configuration combustion gas to use, and on startup, heating wire lights that enter burning indoor first
Combustion gas, when combustion chamber reaches it is certain stable when, fuel oil just starts to intervene and participates in burning, when continuing to be warming up to certain temperature,
Combustion gas is cut off, fuel oil individually burns, and reaches operating status.But use is dangerous, is easy to appear combustion gas spilling and causes fire, and
And cause starting performance unstable.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of moulds with ceramic heater
By the way that igniter is rationally arranged safety in utilization can be improved, and make starting performance relatively stable in type turbojet engine.
The purpose of this utility model is implemented with the following technical solutions:
A kind of model turbojet engine with ceramic heater, including shell, fan of calming the anger, turbine, igniter, igniting
Fuel nozzle and fuel delivery nozzle；The shell is formed with inlet channel, exhaust passage, gas introduction channel and combustion
Burn room；Fuel oil introducing cylinder is provided in the combustion chamber, the fuel delivery nozzle is inserted into fuel oil introducing cylinder, and the gas is led
Entering channel includes the first passage section with combustion chamber；The igniter includes being arranged in the indoor ceramic heat of burning
Device, the power supply for powering for ceramic heater；The igniting fuel nozzle is located at ceramic heater toward in combustion chamber
Side；The fan of calming the anger, turbine are respectively mounted inside the shell；The fan of calming the anger is for being pressurized gas, and fan of calming the anger
Inlet end is toward inlet channel, and outlet side is toward gas introduction channel；The combustion chamber has gas outlet, and combustion chamber is logical
Gas outlet is crossed to be connected to exhaust passage；The turbine is arranged in exhaust passage, and is right against the gas outlet of combustion chamber.
The gas introduction channel further includes second channel section, and the second channel section is connected to fuel oil introducing cylinder.
The model turbojet engine with ceramic heater further includes electroheat pair, and the electroheat pair is arranged in gas importing
In channel, and the test side of electroheat pair is protruded into exhaust passage.
The electroheat pair is interspersed in second channel section.
The model turbojet engine with ceramic heater further includes tail spray radome fairing, and the tail spray radome fairing is located at whirlpool
The side of wheel, and be arranged in exhaust passage.
The tail spray radome fairing is in rotational-like, and the outer diameter of tail spray radome fairing is from one end close to turbine to far from whirlpool
One end of wheel is gradually reduced.
The turbine has the turbine rotor being installed in rotation in shell, and the fan of calming the anger is connect with turbine rotor.
This with ceramic heater model turbojet engine further include start motor, it is described start motor output shaft with
Clutch is connected between turbine rotor, the body connection for starting motor is on the shell.
Compared with prior art, the utility model has the beneficial effects that: a kind of ceramics that have provided by the utility model add
The model turbojet engine of hot device, by the way that igniter is used ceramic heater and power supply, thus on startup, it is available
Ceramic heater, which is directly lighted, enters the indoor fuel oil of burning, without supplying combustion gas in combustion chamber, can be improved using safe
Property, and make starting performance relatively stable, moreover, making the inspection of electroheat pair by the way that electroheat pair to be arranged in gas introduction channel
It surveys end to protrude into exhaust passage, to can reduce electroheat pair by the way that electroheat pair to be contained in gas introduction channel and be exposed to outside
Portion can reduce the maintenance cost of engine so that electroheat pair is not easy by scraping collision and breaks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged drawing at the A of Fig. 1；
In figure: 10, shell；11, inlet channel；12, exhaust passage；14, combustion chamber；15, shell；16, jet pipe；20,
It calms the anger fan；30, turbine；40, electroheat pair；50, fuel delivery nozzle；60, gas introduction channel；61, second channel section；62,
One channel section；63, bending section；70, tail sprays radome fairing；80, frame；81, bottom plate；82, outer lateral coaming plate；83, interior lateral coaming plate；90,
Fuel oil introducing cylinder；100, igniter；101, ceramic heater；102, power supply；110, igniting fuel nozzle.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figs. 1-2, a kind of model turbojet engine with ceramic heater, including shell 10, calm the anger fan 20, whirlpool
Wheel 30, igniter 100, igniting fuel nozzle 110 and fuel delivery nozzle 50；The shell 10 is formed with inlet channel
11, exhaust passage 12, gas introduction channel 60 and combustion chamber 14；Fuel oil introducing cylinder 90, institute are provided in the combustion chamber 14
It states fuel delivery nozzle 50 to be inserted into fuel oil introducing cylinder 90, the gas introduction channel 60 includes first be connected to combustion chamber 14
Channel section 62；The igniter 100 includes the ceramic heater 101 being arranged in combustion chamber 14, for being ceramic heater
The power supply 102 of 101 power supplies；The igniting fuel nozzle 110 is located at the one of ceramic heater 101 toward in combustion chamber 14
Side；The fan 20 of calming the anger, turbine 30 are installed in shell 10；The fan 20 of calming the anger is calmed the anger for being pressurized to gas
The inlet end of fan 20 is toward inlet channel 11, and outlet side is toward gas introduction channel 60；The combustion chamber 14 has outlet
Mouthful, and combustion chamber 14 is connected to by gas outlet with exhaust passage 12；The turbine 30 is arranged in exhaust passage 12, and is right against
The gas outlet of combustion chamber 14.
And when in use, the air entered through inlet channel 11 can enter fan 20 of calming the anger from the inlet end for fan 20 of calming the anger, and
After 20 pressurization of fan of being calmed the anger forms high pressure gas, gas introduction channel 60 is flowed to from the outlet side for fan 20 of calming the anger, and lead through gas
The first passage section 62 for entering channel 60 enters in combustion chamber 14, at this point, the fuel oil that igniting fuel nozzle 110 sprays enters combustion chamber
In 14, since the power of the ceramic heater 101 of igniter 100 is big, calorific value is big, can directly will go into combustion chamber 14
Fuel oil light, later, fuel delivery nozzle 50 spray fuel oil through fuel oil introducing cylinder 90 spray into combustion chamber 14 in participate in burn,
And generate high temperature and pressure exhaust gas in combustion chamber 14 and flowed out from the gas outlet of combustion chamber 14, and turbine 30 is pushed to make its rotation, most
Waste gas flow direction exhaust passage 12 afterwards, and be discharged outwardly through exhaust passage 12.And the utility model is by using igniter 100
Ceramic heater 101 and power supply 102, on startup, directly be lighted using ceramic heater 101 and enter combustion chamber 14
Without supplying combustion gas in combustion chamber 14 safety in utilization can be improved, and make starting performance relatively stable in interior fuel oil.
The gas introduction channel 60 further includes second channel section 61, and the second channel section 61 connects with fuel oil introducing cylinder 90
It is logical.And when in use, the high pressure gas through 20 pressurization of fan of calming the anger can also be entered in fuel oil introducing cylinder 90 by second channel section 61,
To be mixed with the fuel oil in fuel oil introducing cylinder 90, so that fuel oil mixes more uniformly with high pressure gas.
The model turbojet engine with ceramic heater 101 further includes electroheat pair 40, and the electroheat pair 40 is used to examine
Survey the operating temperature of exhaust passage 12.The electroheat pair 40 is arranged in gas introduction channel 60, and the test side of electroheat pair 40
It protrudes into exhaust passage 12.By the way that electroheat pair 40 to be arranged in gas introduction channel 60, protrude into the test side of electroheat pair 40
In exhaust passage 12, to can reduce electroheat pair 40 by the way that electroheat pair 40 to be contained in gas introduction channel 60 and be exposed to outside
Portion, so that electroheat pair 40 is not easy by scraping collision and breaks, to reduce the maintenance cost of engine.
The electroheat pair 40 is interspersed in second channel section 61, and the test side of electroheat pair 40 is stretched through the mounting hole of shell 15
Enter in exhaust passage 12, while so as to mix fuel oil more evenly with high pressure gas, and is convenient to the installation of electroheat pair 40.
Specifically, the second channel section 61 has along the first axially extending segmentation of shell 10, the second segmentation；The gas imports logical
Road 60 further includes bending section 63, and the bending section 63 is located at the side for 20 exhaust ends of fan of calming the anger, and first segmentation is wherein
One end, first passage section 62 are connected to bending section 63, and the other end of first segmentation is imported by the second segmentation with fuel oil
Cylinder 90 is connected to, and the electroheat pair 40 is arranged in the first segmentation, in the second segmentation, and by using above structure, can be convenient to electricity
While the installation of thermocouple 40, and it is convenient to high pressure gas smooth outflow.
The model turbojet engine with ceramic heater 101 further includes tail spray radome fairing 70, and the tail sprays radome fairing
70 are located at the side of turbine 30, and are arranged in exhaust passage 12, so that spraying radome fairing 70 by tail can be to exhaust passage 12
Air-flow plays rectified action.Specifically, tail spray radome fairing 70 is in rotational-like, and the outer diameter of tail spray radome fairing 70 is from leaning on
One end of nearly turbine 30 to one end far from turbine 30 is gradually reduced.And the structure of radome fairing 70 is sprayed by rationally setting tail, it can
Improve rectification effect.
The turbine 30 has the turbine rotor being installed in rotation in shell 10, fan 20 and the turbine rotor of calming the anger
Connection, so that turbine 30 and fan 20 of calming the anger rotate synchronously.This further includes with model turbojet engine of ceramic heater
Motor (not shown) is started, is connected with clutch, the starting motor between the output shaft and turbine rotor for starting motor
Body be connected on shell 10, thus at the start, can pass through and start motor and drive turbine rotor rotation.
Specifically, the shell 10 includes shell 15, the jet pipe 16 that is fixed on shell 15, the exhaust passage 12 from
Shell 15 extends to jet pipe 16 close to one end of jet pipe 16, and the jet pipe 16 is formed with far from one end of shell 15 in circle
The diameter of the exhaust section of cone cell, the exhaust section is gradually reduced from one end close to shell 15 to one end far from shell 15, from
And make exhaust gas when flowing through exhaust section can Accelerating Removal so that engine generates bigger thrust on the whole.
Specifically, the shell 10 further includes the frame 80 being fixed on shell 15, the frame 80 is in rotational-like, and
Including bottom plate 81 in a curved state, outer lateral coaming plate 82 that 81 outer ledge of bottom plate is set, setting 81 inside edge of bottom plate simultaneously
The interior lateral coaming plate 83 being oppositely arranged with outer lateral coaming plate 82；The bottom plate 81, outer lateral coaming plate 82 and interior lateral coaming plate 83 surround the combustion
Burn room 14, and by by frame 80 using the above structure, it can be ensured that while the spatial volume of combustion chamber 14, and be convenient to process
Production.
Specifically, wherein one end of the fuel oil introducing cylinder 90 is formed as first end, the other end is formed as second end, described
The first end of fuel oil introducing cylinder 90 is connected on shell 15, and the second end of the fuel oil introducing cylinder 90 has and the company of combustion chamber 14
Logical outlet, the fuel oil introducing cylinder 90 are increasingly towards the central axial direction inclination of shell 15 from first end to second end.And
By using above-mentioned setting, fuel oil can be convenient to and mixed with high pressure gas more uniformly.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (8)
1. a kind of model turbojet engine with ceramic heater, it is characterised in that: including shell, fan of calming the anger, turbine, igniting
Device, igniting fuel nozzle and fuel delivery nozzle；The shell, which is formed with inlet channel, exhaust passage, gas and imports, to be led to
Road and combustion chamber；Fuel oil introducing cylinder is provided in the combustion chamber, the fuel delivery nozzle is inserted into fuel oil introducing cylinder,
The gas introduction channel includes the first passage section with combustion chamber；The igniter is indoor including being arranged in burning
Ceramic heater, the power supply for powering for ceramic heater；The igniting fuel nozzle is located at pottery toward in combustion chamber
The side of porcelain heater；The fan of calming the anger, turbine are respectively mounted inside the shell；Described calm the anger is fanned for being pressurized to gas, and
Calm the anger fan inlet end toward inlet channel, outlet side is toward gas introduction channel；The combustion chamber has gas outlet, and
Combustion chamber is connected to by gas outlet with exhaust passage；The turbine is arranged in exhaust passage, and is right against the outlet of combustion chamber
Mouthful.
2. having the model turbojet engine of ceramic heater as described in claim 1, it is characterised in that: the gas imports
Channel further includes second channel section, and the second channel section is connected to fuel oil introducing cylinder.
3. the model turbojet engine as claimed in claim 2 for having ceramic heater, it is characterised in that: should add with ceramics
The model turbojet engine of hot device further includes electroheat pair, and the electroheat pair is arranged in gas introduction channel, and the inspection of electroheat pair
End is surveyed to protrude into exhaust passage.
4. having the model turbojet engine of ceramic heater as claimed in claim 3, it is characterised in that: the electroheat pair is worn
It inserts in second channel section.
5. the model turbojet engine as described in claim 1 for having ceramic heater, it is characterised in that: should add with ceramics
The model turbojet engine of hot device further includes tail spray radome fairing, and the tail spray radome fairing is located at the side of turbine, and is arranged and is arranging
In gas channel.
6. having the model turbojet engine of ceramic heater as claimed in claim 5, it is characterised in that: the tail spray rectification
Cover is in rotational-like, and the outer diameter of tail spray radome fairing is gradually reduced from one end close to turbine to one end far from turbine.
7. having the model turbojet engine of ceramic heater as described in claim 1, it is characterised in that: the turbine has
The turbine rotor being installed in rotation in shell, the fan of calming the anger are connect with turbine rotor.
8. the model turbojet engine as claimed in claim 7 for having ceramic heater, it is characterised in that: should add with ceramics
The model turbojet engine of hot device further include start motor, it is described start motor output shaft and turbine rotor between be connected with from
Clutch, the body connection for starting motor is on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224519.6U CN209637887U (en) | 2019-02-22 | 2019-02-22 | A kind of model turbojet engine with ceramic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224519.6U CN209637887U (en) | 2019-02-22 | 2019-02-22 | A kind of model turbojet engine with ceramic heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637887U true CN209637887U (en) | 2019-11-15 |
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ID=68494160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224519.6U Active CN209637887U (en) | 2019-02-22 | 2019-02-22 | A kind of model turbojet engine with ceramic heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN209637887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501053A (en) * | 2021-08-24 | 2021-10-15 | 南京市迪之朗汽车技术有限公司 | Assembled truck carriage suitable for heating in severe cold area |
| WO2021217792A1 (en) * | 2020-04-30 | 2021-11-04 | 西安增材制造国家研究院有限公司 | Combustion assembly structure of turbojet engine |
-
2019
- 2019-02-22 CN CN201920224519.6U patent/CN209637887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217792A1 (en) * | 2020-04-30 | 2021-11-04 | 西安增材制造国家研究院有限公司 | Combustion assembly structure of turbojet engine |
| CN113501053A (en) * | 2021-08-24 | 2021-10-15 | 南京市迪之朗汽车技术有限公司 | Assembled truck carriage suitable for heating in severe cold area |
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