CN107387232A - A kind of electric duct supercharging device and boosting method for small-sized piston formula engine - Google Patents
A kind of electric duct supercharging device and boosting method for small-sized piston formula engine Download PDFInfo
- Publication number
- CN107387232A CN107387232A CN201710732673.XA CN201710732673A CN107387232A CN 107387232 A CN107387232 A CN 107387232A CN 201710732673 A CN201710732673 A CN 201710732673A CN 107387232 A CN107387232 A CN 107387232A
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- Prior art keywords
- engine
- electricity
- duct
- small
- signal
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical group O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to aero-engine field, spy is related to a kind of electric duct supercharging device and boosting method for small-sized piston formula engine.The baroceptor and oxygen sensor of the present invention is arranged on aircraft exterior, control circuit includes power transfer module, filter circuit, air pressure signal, oxygen signal, control system, electricity is adjusted, current protecting circuit, direct current 12V voltages distinguish input power modular converter and filter circuit, filter circuit output connects baroceptor respectively, oxygen sensor and current protecting circuit, baroceptor, the air pressure signal of oxygen sensor output, oxygen signal distinguishes input control system, control system exports pwm pulse signal into electricity tune, electricity adjusts the velocity of rotation with current protecting circuit co- controlling electricity duct motor.The present invention solves boost issues of the put-put in high altitude localities, makes small aircraft engine output stable, it is ensured that the flying quality of aircraft.
Description
Technical field
The present invention relates to aero-engine field, spy is related to a kind of electric duct for small-sized piston formula engine and is pressurized dress
Put and boosting method.
Background technology
Existing engine booster technology is mainly concerned with the engine of large-scale aero-engine and automobile using, its institute
Turbocharging technology is to drive turbine to compress air inlet using the waste gas of engine, so as to improve the power of engine and torsion
Square.
It is seldom for the small-sized piston formula engine booster technology of High aititude to needing, and typically use exhaust gas technology
Put-put cost it is high, on the market without Related product.Existing small aircraft is in high altitude flight, its flight power
It is relatively low, cause aircraft overall performance to decline.And in general small aircraft, it can be increased using larger engine
Overall manufacturing cost, and the weight of complete machine can be increased simultaneously, even if causing the engine using relatively high power, it is also difficult to improve
The flying quality of small aircraft under High aititude.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of electric duct for small-sized piston formula engine to be pressurized dress
Put and boosting method.Signal of the invention by detecting oxygen and air pressure, the rotating speed of electric duct motor is adjusted in real time, is solved small
H type engine h makes small aircraft engine output stable, it is ensured that aircraft in the boost issues of high altitude localities
Flying quality.
The technical scheme is that：A kind of electric duct supercharging device for small-sized piston formula engine, including electricity are contained
Road, air intake duct, engine and carburetor, engine, baroceptor, oxygen sensor and control circuit, the connection of air intake duct rear end
Electric duct, air intake duct front end connection engine and carburetor, engine and carburetor are connected with engine, it is characterised in that：Described
Baroceptor and oxygen sensor are arranged on aircraft exterior, and described control circuit includes power transfer module, filtered electrical
Road, air pressure signal, oxygen signal, control system, electricity tune, current protecting circuit, direct current 12V voltages difference input power modulus of conversion
Block and filter circuit, filter circuit output connect baroceptor, oxygen sensor and current protecting circuit, air pressure sensing respectively
Device, the air pressure signal of oxygen sensor output, oxygen signal difference input control system, power transfer module output 5V and 3.3V
Voltage is connected with electricity mediation control system respectively, and control system exports pwm pulse signal into electricity tune, electricity tune and current protection electricity
The velocity of rotation of road co- controlling electricity duct motor；Described current protecting circuit include first resistor, second resistance, electric capacity and
PMOS, the source electrode connection second resistance of PMOS, the grid of PMOS are connected with first resistor, second resistance and first resistor
The other end connects 5V input voltages, and the source electrode of PMOS is connected with 12V input voltages, the drain electrode output 12V DC electricity of PMOS
Pressure, the drain electrode of PMOS are connected to ground by electric capacity.
According to the electric duct supercharging device as described above for being used for small-sized piston formula engine, it is characterised in that：Described
PMOS is FDMA520PZ chips.
According to the electric duct supercharging device as described above for being used for small-sized piston formula engine, it is characterised in that：Described
Electric capacity is 100nf.
According to the electric duct supercharging device as described above for being used for small-sized piston formula engine, it is characterised in that：Described
First resistor is 510 Ω.
According to the electric duct supercharging device as described above for being used for small-sized piston formula engine, it is characterised in that：Described
Second resistance is 1000 Ω.
The invention also discloses a kind of electric duct boosting method for small-sized piston formula engine, it is characterised in that：Bag
Include following steps：Control system gathers air pressure signal and oxygen signal in real time, and air pressure signal concentration is X, and oxygen signal concentration is
Y, wherein X and Y span are between 0 to 1；Control system determines pwm pulse signal frequency, wherein PWM arteries and veins according to X and Y
Signal frequency f=f1+f1 (1-X)+f1 (1-Y) is rushed, wherein f1 is normal working frequency.
The beneficial effects of the invention are as follows：First, baroceptor and oxygen sensor, aircraft overall weight only need to be increased
It is almost unchanged, but the air pressure of electric duct can be very easily adjusted, and then improve the power and moment of torsion of engine；Two
It is to use pwm pulse signal controlled motor rotating speed, control system is simple and control accuracy is high；It is third, true by current protecting circuit
Guarantor's voltage during electrical motor gearshift is steady, makes electric duct motor at high speeds can long-term normal work.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the present invention；
Fig. 2 is current protecting circuit figure；
Fig. 3 is structural representation.
Description of reference numerals：Electric duct 1, air intake duct 2, engine and carburetor 3, engine 4.
Embodiment
Technical scheme is described further below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the electric duct supercharging device for small-sized piston formula engine of the invention includes electric duct
1st, air intake duct 2, engine and carburetor 3, engine 4 and control circuit, the rear end of air intake duct 2 connect electric duct 1, before air intake duct 2
End connection engine and carburetor 3, engine and carburetor 3 is connected with engine 4, and baroceptor and oxygen sensor are arranged on winged
Outside row device, it is respectively used to gather air pressure signal and oxygen signal.
As depicted in figs. 1 and 2, control circuit of the invention includes power transfer module, filter circuit, air pressure signal, oxygen
Gas signal, control system, electricity are adjusted, current protecting circuit, and control circuit is controlled to the motor of electric duct 1, motor control electricity
Duct paddle rotates.Direct current 12V voltages distinguish input power modular converter and filter circuit, and filter circuit output connects gas respectively
Pressure sensor, oxygen sensor and current protecting circuit, baroceptor, the air pressure signal of oxygen sensor output, oxygen letter
Number difference input control system, power transfer module output 5V and 3.3V voltages reconcile control system with electricity and be connecteds respectively, control
System exports pwm pulse signal into electricity tune, and electricity adjusts the velocity of rotation with the motor of current protecting circuit co- controlling electricity duct 1.
As shown in Fig. 2 the present invention current protecting circuit include first resistor R41, second resistance R42, electric capacity C40 and
PMOS Q5, PMOS Q5 source electrode connection second resistance R42, PMOS Q5 grid are connected with first resistor R41, the second electricity
Resistance R42 connects 5V input voltages with the first resistor R41 other ends, and PMOS Q5 source electrode is connected with 12V input voltages, PMOS
Q5 drain electrode output 12V DC voltage, PMOS Q5 drain electrode are connected to ground by electric capacity C40, can so isolate interference letter
Number.The current protecting circuit of the present invention can be by adjusting first resistor R41 and second resistance R42 parameter protection electricity duct 1
The input range of current of electric, first resistor R41 control gate electric currents are unlikely to excessive, second resistance R42 control gates it is normal
State, the value by adjusting first resistor R41 and second resistance R42 can adjust the size of the electric current of electric of duct 1.
The control system of the present invention can use single-chip microcomputer, ARM chips, such as use STM32 family chips, and it is based on special
To require ARM Cortex-M3 kernels that high-performance, low cost, the Embedded Application of low-power consumption specially design.PMOS Q5 is
FDMA520PZ chips, electric capacity C40 are 100nf, and first resistor R41 is 510 Ω, and second resistance R42 is 1000 Ω, wherein first
Resistance and second resistance are adjustable resistance, are easy to the input range of regulation motor electric current.
The invention also discloses a kind of electric duct boosting method for small-sized piston formula engine, comprise the following steps：
Control system gathers air pressure signal and oxygen signal in real time, and air pressure signal concentration is X, and oxygen signal concentration is Y, wherein X and Y
Span is between 0 to 1；Control system determines pwm pulse signal frequency, wherein pwm pulse signal frequency f=according to X and Y
F1+f1 (1-X)+f1 (1-Y), wherein f1 are normal working frequency, in general, when the frequency of output is normal working frequency 2
Times when, then limit aircraft continue to rise.In the present invention, when air pressure signal concentration is normal, X=1, when air pressure signal concentration is just
When 70% when often, X=0.7, Y-signal value is identical.
The present invention adjusts by pwm pulse signal controlled motor rotating speed, and by the air pressure residing for aircraft and oxygen atmosphere
The rotating speed size of engine is saved, and then improves oxygen feeding amount, method of the invention need to only increase baroceptor and oxygen sensor,
Weight increase is few, but can very easily adjust the air pressure of electric duct, and then improves the power and moment of torsion of engine 4.
Claims (6)
1. a kind of electric duct supercharging device for small-sized piston formula engine, including electric duct, air intake duct, engine carburetion
Device, engine, baroceptor, oxygen sensor and control circuit, air intake duct rear end connect electric duct, the connection of air intake duct front end
Engine and carburetor, engine and carburetor are connected with engine, it is characterised in that：Described baroceptor and oxygen sensor
Aircraft exterior is arranged on, described control circuit includes power transfer module, filter circuit, air pressure signal, oxygen signal, control
System processed, electricity are adjusted, current protecting circuit, and direct current 12V voltages difference input power modular converter and filter circuit, filter circuit are defeated
Go out and connect baroceptor, oxygen sensor and current protecting circuit respectively, baroceptor, the air pressure of oxygen sensor output
Signal, oxygen signal difference input control system, power transfer module output 5V and 3.3V voltages reconcile with electricity respectively controls system
System connection, control system export pwm pulse signal into electricity tune, and electricity is adjusted and current protecting circuit co- controlling electricity duct motor
Velocity of rotation；Described current protecting circuit includes first resistor, second resistance, electric capacity and PMOS, and the source electrode of PMOS connects
Second resistance is connect, the grid of PMOS is connected with first resistor, and second resistance connects 5V input voltages with the first resistor other end,
The source electrode of PMOS is connected with 12V input voltages, and the drain electrode output 12V DC voltage of PMOS, the drain electrode of PMOS passes through electricity
Appearance is connected to ground.
2. the electric duct supercharging device according to claim 1 for small-sized piston formula engine, it is characterised in that：It is described
PMOS be FDMA520PZ chips.
3. the electric duct supercharging device according to claim 1 for small-sized piston formula engine, it is characterised in that：It is described
Electric capacity be 100nf.
4. the electric duct supercharging device according to claim 1 for small-sized piston formula engine, it is characterised in that：It is described
First resistor be 510 Ω.
5. the electric duct supercharging device according to claim 1 for small-sized piston formula engine, it is characterised in that：It is described
Second resistance be 1000 Ω.
A kind of 6. electric duct boosting method for small-sized piston formula engine, it is characterised in that：Comprise the following steps：Control system
Collection air pressure signal and oxygen signal, air pressure signal concentration are X to system in real time, and oxygen signal concentration is Y, wherein X and Y value model
It is trapped among between 0 to 1；Control system determines pwm pulse signal frequency, wherein pwm pulse signal frequency f=f1+f1 according to X and Y
(1-X)+f1 (1-Y), wherein f1 are normal working frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732673.XA CN107387232A (en) | 2017-08-24 | 2017-08-24 | A kind of electric duct supercharging device and boosting method for small-sized piston formula engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710732673.XA CN107387232A (en) | 2017-08-24 | 2017-08-24 | A kind of electric duct supercharging device and boosting method for small-sized piston formula engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107387232A true CN107387232A (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710732673.XA Pending CN107387232A (en) | 2017-08-24 | 2017-08-24 | A kind of electric duct supercharging device and boosting method for small-sized piston formula engine |
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| Country | Link |
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| CN (1) | CN107387232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291274A (en) * | 2021-12-16 | 2022-04-08 | 航天神舟飞行器有限公司 | Thermal protection device and thermal protection method for high-speed target drone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203669995U (en) * | 2013-11-30 | 2014-06-25 | 淮北市天路航空科技股份有限公司 | Small engine supercharging device of unmanned aerial vehicle |
| CN207131485U (en) * | 2017-08-24 | 2018-03-23 | 武汉华伍航空科技有限公司 | A kind of electric duct supercharging device for small-sized piston formula engine |
-
2017
- 2017-08-24 CN CN201710732673.XA patent/CN107387232A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203669995U (en) * | 2013-11-30 | 2014-06-25 | 淮北市天路航空科技股份有限公司 | Small engine supercharging device of unmanned aerial vehicle |
| CN207131485U (en) * | 2017-08-24 | 2018-03-23 | 武汉华伍航空科技有限公司 | A kind of electric duct supercharging device for small-sized piston formula engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291274A (en) * | 2021-12-16 | 2022-04-08 | 航天神舟飞行器有限公司 | Thermal protection device and thermal protection method for high-speed target drone |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |