CN207905958U - A kind of novel unmanned vehicle engine electronic fuel atomization system - Google Patents
A kind of novel unmanned vehicle engine electronic fuel atomization system Download PDFInfo
- Publication number
- CN207905958U CN207905958U CN201820151007.7U CN201820151007U CN207905958U CN 207905958 U CN207905958 U CN 207905958U CN 201820151007 U CN201820151007 U CN 201820151007U CN 207905958 U CN207905958 U CN 207905958U
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- China
- Prior art keywords
- unmanned vehicle
- vehicle engine
- ultrasonic
- ultrasonic atomization
- control box
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The utility model is related to unmanned vehicle engine equipment technical fields, and in particular to a kind of novel unmanned vehicle engine electronic fuel atomization system, it includes flexible air inlet pipe, ultrasonic atomization chamber and control box；One end nozzle of the flexible air inlet pipe is connected with the admission gear of unmanned vehicle engine, and the other end nozzle of flexible air inlet pipe is connected with ultrasonic atomization chamber；The ultrasonic atomization chamber stays oil sheet, intake air temperature and gas concentration sensor by cavity, ultrasonic atomization piece and micropore, Integral electronic air throttle forms；It improves unmanned vehicle engine reliability, reduction oil consumption and weight by ultrasonic high-efficiency atomized fuel and greatly improves the working efficiency of unmanned vehicle engine to improve UAV system reliability and endurance.
Description
Technical field
The utility model is related to unmanned vehicle engine equipment technical fields, and in particular to a kind of novel unmanned vehicle engine electricity
Sub- fuel-oil atmozation system.
Background technology
Unmanned vehicle engine mainly has two kinds of oil gas mists of traditional negative pressure diaphragm type carburetor and electronic fuel injection at this stage
Change mode.Traditional unmanned vehicle engine mainly uses complicated negative pressure diaphragm type carburetor, engine operation type to be drawn by casing
Negative pressure driving diaphragm pump extracts fuel oil and is injected in air intake duct by the pipeline of complex precise, and oil gas mixing ratio needs under different operating modes
It to be adjusted by high low speed needle, air throttle needs control mechanism connecting rod to drive.The unmanned vehicle engine of a part of long endurance makes
With electronic fuel injection, fuel oil is pressurized to 300kpa or so by high-voltage electric oil pump, and air inlet is injected in by micropore electromagnetic fuel injection
In road, control mechanism is by the servo driving mounted on engine intake.
Traditional carburetor precise structure pipeline is complicated, and accurate burning needs to adjust high low speed oil according to air pressure, temperature, oil product
Needle is to adapt to engine charge demand under various rotating speeds.Traditional carburetor atomization is poor, and fuel-oil atmozation particle is larger；Complex pipeline
Need especially accurate processing technology, any fine error that engine will be caused unstable under a certain rotating speed；Capillary nozzle opening
It is easy foreign matters from being blocked, miscella viscosity increase directly affects engine oil inlet amount under low temperature causes to stop working from for what；Air throttle needs
It is driven with connecting rod, the longer vibrations of stroke are larger, and engine is susceptible to job insecurity.Traditional carburetor is merely able to use vapour
Oil can not use diesel oil and biological species fuel oil.
Electric oil injector needs electric oil pump to improve fuel pressure, and small-sized oil pump reliability is not high, power consumption；Electricity
Magnetic atomizer is driven using high pressure micropore, and atomizing particle diameter is bigger,Nozzle opening is easy to block；Complicated ECU control mechanismsMeeting
Distributive value is adjusted in real time according to intake air temperature, rotating speed, exhaust gas oxygen sensor and accelerator open degree, and whole system weight is larger, power consumption
It measures larger；Due to using pressure micropore atomization, using must be first excessive with gasoline when heavy oil.
Invention content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of novel unmanned vehicle engine is provided
Electronic fuel atomization system, it improves unmanned vehicle engine reliability by ultrasonic high-efficiency atomized fuel, reduces oil consumption and again
Amount, to improve UAV system reliability and endurance, greatly improves the working efficiency of unmanned vehicle engine.
A kind of novel unmanned vehicle engine electronic fuel atomization system described in the utility model, it includes flexible air inlet
Pipe, ultrasonic atomization chamber and control box.
One end nozzle of the flexible air inlet pipe is connected with the admission gear of unmanned vehicle engine, flexible air inlet pipe it is another
End pipe mouth is connected with ultrasonic atomization chamber；The ultrasonic atomization chamber stays oil sheet, air inlet by cavity, ultrasonic atomization piece and micropore
Temperature andGas concentration sensor,Integral electronic air throttle forms；The cavity is the big tripe shape of osculum；The cavity top
It is provided with intake air temperature and gas concentration humidity sensor；Bottom is provided in the cavityFixed spoiler, ultrasonic atomization Piece, micropore stay oil sheet and air filter；
The input terminal of the control box passes throughHarnessRespectively with cylinder head temperature sensor, Hall revolution speed transducer, into temperature
Spend sensor, the electrical connection of gas concentration sensor；The output end of the control box respectively withOil pump, ultrasonic atomization piece, one
The controller of formula electronic throttle is connected with FLASH data storages；The control box is connected with autopilot.
With the above structure, the utility model has the beneficial effect that：A kind of novel unmanned plane hair described in the utility model
Motivation electronic fuel atomization system, it improves unmanned vehicle engine reliability by ultrasonic high-efficiency atomized fuel, reduces oil consumption
And weight greatly improves the working efficiency of unmanned vehicle engine to improve UAV system reliability and endurance.
【Description of the drawings】
Attached drawing described herein is to be used to provide a further understanding of the present invention, and constitutes one of the application
Point, but do not constitute improper limits to the present invention, in the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the control principle drawing of the control box in the utility model.
Reference sign：
1, flexible air inlet pipe；2, Integral electronic air throttle；3, intake air temperature andGas concentration sensor；4, ultrasonic fog
Change chamber；5, ultrasonic atomization piece and micropore stay oil sheet；6, air filter.
【Specific implementation mode】
Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with
And explanation is only used for explaining the utility model, but be not intended to limit the scope of the present invention.
As shown in Figure 1, a kind of novel unmanned vehicle engine electronic fuel atomization system described in present embodiment, it
Including flexible air inlet pipe 1, ultrasonic atomization chamber 4 and control box；
One end nozzle of the flexible air inlet pipe 1 is connected with the admission gear of unmanned vehicle engine, flexible air inlet pipe 1 it is another
One end nozzle is connected with ultrasonic atomization chamber 4；
The ultrasonic atomization chamber 4 by cavity, ultrasonic atomization piece and micropore stay oil sheet 5,Oil pump, intake air temperature andOil gas Concentration sensor3, Integral electronic air throttle 2 forms；Cavity is the big tripe shape of osculum, and cavity entrance is provided with integral type electricity
Sub- air throttle,Oil pump；Bottom is provided in cavityFixed spoiler, ultrasonic atomization piece, micropore stay oil sheet and air filter；Gas into
Enter cavity makes air be mixed fully with fuel-oil atmozation gas by spoiler generation spiral gasoline, hairOil pump is taken out when motivation works Oil,Oil sheet is stayed full of micropore, supersonic generator generates high-frequency vibration and is uniformly mixed gasoline finer atomization and with spiral of air；
Cavity top is provided with intake air temperature and gas concentration sensor；Bottom is provided with ultrasonic atomization piece and micropore in the cavity
In oil sheet；
As shown in Fig. 2, the input terminal of the control box is passed with the head temperature on unmanned vehicle engine respectively by conducting wire
Sensor, Hall revolution speed transducer, intake air temperature sensor, the electrical connection of gas concentration sensor on ultrasonic atomization chamber；It is described
The output end of control box respectively withOil pump,Ultrasonic atomization piece, the controller of Integral electronic air throttle and FLASH data are deposited
Reservoir is connected；The control box is connected with autopilot.Control box directly acquires head temperature, rotating speed, intake air temperature, condensation rate,
Simultaneously control air throttle, oil inlet quantity,Ultrasonic mist piece.Control box is passed in autopilot system command, is calculated and is saved according to sensor values
Valve opening controls fuel oil oil pump feed, the work of ultrasonic atomizatio chamber simultaneously, and fuel air mixture is full of ultrasonic atomizatio chamber.Control box
The instruction of meeting softening autopilot ensures that unmanned vehicle engine efficient work is steady to ensure that engine working speed is stable, temperature is reasonable
It is fixed
A kind of bottom of preferably ultrasonic atomization chamber as the utility model is provided with paper empty filter 6.
The function of each component is as follows in the design：
1）Flexible air inlet pipe：The air inlet pipeline of engine intake and ultrasonic atomizatio chamber is connected, while completely cutting off engine fortune
Row high-frequency vibration.
2）Air throttle：Control the valve of air input of engine by air.
3）Intake air temperature sensor：Acquire Engine Inlet Temperature.
4）Gas concentration sensor：Acquire ultrasonic atomizatio chamber oil gas mixing ratio.
5）Ultrasonic atomizatio chamber：Air-fuel mixture chamber.
6）Ultrasonic atomizatio piece：High frequency ultrasound oscillator, atomized fuel.
7）Micropore stays oil sheet：Store fuel oil.
The unmanned vehicle engine electronic fuel atomization system control process of the design is as follows：
1) autopilot assigns work order by pwm, and control box adopts the CAN mouthfuls of outputs of engine real time data, autopilot
Ground station is reached under collection CAN bus data and packing, while engine data will be stored in control box.
2) control box receives autopilot enabled instruction（Pwm is higher than 1100 engine starts）Operation of oil pump, fuel oil enterIt is more Oil sheet is stayed in hole, ultrasonic atomizer starts pulsed operation to gas concentration and reaches calibration ratio；Start engine, Hall revolution speed sensing
Device detects ultrasonic atomizer pulsed operation when rotating speed is higher than 150RPM, and air throttle, which is gone to, starts angle 30%, and rotating speed reaches idling
5S, air throttle return to idling, and engine is completed to start.
3) autopilot sends work order, control box smoothing processing, the atmospheric temperature acquired according to intake air temperature sensor
Calculate initial fuel delivery and ultrasonic atomizer working pulse.Gas concentration sensor detects air-fuel mixture ratio, feedback control box
Adjust oil pump feed amount and ultrasonic atomizer pulse.Air throttle is slowly opened according to control box, until rotating speed reaches instruction rotating speed.
According to the numerical value that engine cylinder temperature sensor acquires, control box adjusts fuel delivery and throttle opening in real time so that stabilization of speed,
Engine temperature is stablized.
4) autopilot assigns flame-out instruction（Pwm is less than 950 and continues 1s）, control box closing oil pump, ultrasonic atomizer, solar term
Door.
The advantages of the design, is as follows：
1）Flexible air inlet pipe has completely cut off vibrations and high temperature, avoids traditional carburetor and electric injection system high-frequency vibration causes phase
It closes that assembly reliability is not high happens, while completely cutting off high temperature and directly avoiding fuel oil in oil circuit partial vaporization and then cause to send out
Motivation shake asthma, to be effectively improved the reliability of unmanned vehicle engine.
2）Ultrasonic atomizer vibration frequency is 1.7MHZ, the remote ultra-traditional carburetor of high frequency oscillation oil gas atomizing effect and electricity
Spray is easy gasoline vapor and is uniformly mixed with air.Larger ultrasonic atomizatio chamber can store more mixed oil and gas, can be effective
Avoid air inlet demand under engine bad working environments.
3）Control box directly acquires head temperature, rotating speed, intake air temperature, condensation rate, at the same control air throttle, oil inlet quantity,
Ultrasonic atomizatio chamber.Control box is passed in autopilot system command, and calculate throttle opening according to sensor values controls fuel oil simultaneously
Oil pump feed, the work of ultrasonic atomizatio chamber, fuel air mixture are full of ultrasonic atomizatio chamber.Control box meeting softening autopilot instruction is to protect
It is reasonable to demonstrate,prove engine working speed stabilization, temperature, ensures that unmanned vehicle engine efficient work is stablized.
Unmanned vehicle engine electronic fuel atomization system in the design, it is mainly by supersonic generator that fuel oil is fine
Atomization, can be widely used in two strokes, four stroke unmanned plane piston-mode motors and Wankel RC configuration.
A kind of novel unmanned vehicle engine electronic fuel atomization system described in the utility model, it passes through ultrasonic high-efficiency
Atomized fuel improves unmanned vehicle engine reliability, reduces oil consumption and weight, to improve UAV system reliability and endurance,
Greatly improve the working efficiency of unmanned vehicle engine.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (1)
1. a kind of novel unmanned vehicle engine electronic fuel atomization system, it is characterised in that：It includes flexible air inlet pipe, ultrasonic wave
Atomization chamber and control box；One end nozzle of the flexible air inlet pipe is connected with the admission gear of unmanned vehicle engine, flexible air inlet
The other end nozzle of pipe is connected with ultrasonic atomization chamber；The ultrasonic atomization chamber is stayed by cavity, ultrasonic atomization piece and micropore
Oil sheet, intake air temperature and gas concentration sensor, Integral electronic air throttle composition；The cavity is the big tripe shape of osculum；Institute
It states cavity top and is provided with intake air temperature and gas concentration humidity sensor；In the cavity bottom be provided with fixed spoiler,
Ultrasonic atomization piece, micropore stay oil sheet and air filter；The input terminal of the control box by harness respectively with cylinder head temperature sensor,
Hall revolution speed transducer, intake air temperature sensor, the electrical connection of gas concentration sensor；The output end of the control box respectively with oil
Pump, ultrasonic atomization piece, Integral electronic air throttle controller be connected with FLASH data storages；The control box with from
Instrument is driven to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820151007.7U CN207905958U (en) | 2018-01-30 | 2018-01-30 | A kind of novel unmanned vehicle engine electronic fuel atomization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820151007.7U CN207905958U (en) | 2018-01-30 | 2018-01-30 | A kind of novel unmanned vehicle engine electronic fuel atomization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905958U true CN207905958U (en) | 2018-09-25 |
Family
ID=63565497
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820151007.7U Expired - Fee Related CN207905958U (en) | 2018-01-30 | 2018-01-30 | A kind of novel unmanned vehicle engine electronic fuel atomization system |
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| Country | Link |
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| CN (1) | CN207905958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763909A (en) * | 2019-02-01 | 2019-05-17 | 北海天际航空科技有限公司 | A kind of unmanned plane electronic fuel injection two-cycle gasoline engine |
-
2018
- 2018-01-30 CN CN201820151007.7U patent/CN207905958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763909A (en) * | 2019-02-01 | 2019-05-17 | 北海天际航空科技有限公司 | A kind of unmanned plane electronic fuel injection two-cycle gasoline engine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20200130 |