CN103557082B - A kind of engine fuel supplier and controlling method - Google Patents
A kind of engine fuel supplier and controlling method Download PDFInfo
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- CN103557082B CN103557082B CN201310511837.8A CN201310511837A CN103557082B CN 103557082 B CN103557082 B CN 103557082B CN 201310511837 A CN201310511837 A CN 201310511837A CN 103557082 B CN103557082 B CN 103557082B
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- fuel
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- rotary pump
- rotating speed
- oil rotary
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- 239000000446 fuel Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000295 fuel oil Substances 0.000 claims abstract description 60
- 239000002828 fuel tank Substances 0.000 claims abstract description 34
- 238000010304 firing Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Rotary Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of engine fuel supplier and controlling method, wherein, engine fuel supplier comprises: the power unit of fuel oil rotary pump and driving fuel oil rotary pump; The filler opening of fuel oil rotary pump connects fuel tank, and oil outlet is connected with the firing chamber of motor; Power unit is connected with the electronic controller electrical signal of motor, and fuel tank is constant voltage fuel tank.This kind of engine fuel supplier is by controlling the rotating speed of fuel oil rotary pump, the control to engine fuel delivery volume can be realized, greatly reduce the component of a system, structure is simple, all there is reduction for the quality of fuel oil supply device and volume, simplify the assembling Sum decomposition workload of motor, improve manufacturing efficiency, and control simple, be beneficial to the optimal design of motor.
Description
Technical field
The present invention relates to technical field of engines, especially, relate to a kind of engine fuel supplier and controlling method.
Background technique
The oil-fired system of aeroengine is used for the firing chamber fuel for aeroengine, is the important component part of aircraft power unit.Existing aircraft engine fuel oil system depends on accessory drive casing mostly, needs accessory drive casing to extract air horsepower to drive the annexes such as fuel pump from motor, and then controls the flow of fuel delivery by controlling the parts such as metering spindle.The actuator of this aircraft engine fuel oil system still adopts traditional mechanical hydraulic-pressure type control system to control metering fuel oil, and the aperture namely by controlling metering valve controls metering fuel oil.This aeroengine fuel oil supply device complex structure, element are more, cause reliability not high, and quality is large, volume large, is unfavorable for the optimal design of aviation aircraft.
Summary of the invention
The object of the invention is to provide a kind of engine fuel supplier and controlling method, and to solve aviation engine fuel supplier complex structure in prior art, element is more, causes reliability not high, and large, the bulky technical problem of quality.
For achieving the above object, according to an aspect of the present invention, providing a kind of engine fuel supplier, for controlling the fuel delivery of motor, comprising: the power unit of fuel oil rotary pump and driving fuel oil rotary pump; The filler opening of fuel oil rotary pump connects fuel tank, and fuel tank is constant voltage fuel tank; The oil outlet of fuel oil rotary pump is connected with the firing chamber of motor; Power unit is connected with the electronic controller electrical signal of motor.
Further, power unit is brushless DC servomotor, and power unit is connected with fuel oil rotary pump by coupling.
Further, the pipeline that the oil outlet of fuel oil rotary pump is connected with the firing chamber of motor is provided with control valve.
Further, control valve is solenoid valve, and control valve is connected with the electronic controller electrical signal of motor.
Further, motor is connected with fuel tank by supply air line, and the flow outlet of fuel tank is provided with pressure fixing valve; Supply air line is provided with backflow branch road, and the inlet end of backflow branch road connects supply air line, outlet side connecting engine.
According to another aspect of the present invention, provide a kind of engine fuel supply control method, comprise the following steps:
The electronic controller of S1, motor, according to the engine running instruction received, exports control signal and starts power unit;
S2, power unit drive the running of fuel oil rotary pump, and fuel oil rotary pump is from extracting the firing chamber of fuel delivery to motor in the fuel tank of constant voltage, engine running;
S3, electronic controller gather the current rotating speed of motor, and are compared by the rotating speed of target of current rotating speed and motor, draw rotating speed difference;
S4, export the control signal of power unit to according to the adjustment of rotating speed difference electronic controller, the rotating speed of fuel oil rotary pump changes, and adjustment is supplied to the amount of fuel of the firing chamber of motor, until motor reaches rotating speed of target.
Further, power unit is brushless DC servomotor, and power unit is connected with fuel oil rotary pump by coupling.
Further, the pipeline that fuel oil rotary pump is connected with the firing chamber of motor is provided with control valve.
Further, control valve is solenoid valve, and control valve is connected with the electronic controller electrical signal of motor;
During engine start, electronic controller exports start signal and opens solenoid valve;
During tail-off, electronic controller exports closure signal shut electromagnetic valve.
Further, motor is connected with fuel tank by supply air line, and the flow outlet of fuel tank is provided with pressure fixing valve; Supply air line is provided with backflow branch road, and the inlet end of backflow branch road connects supply air line, outlet side connecting engine.
The present invention has following beneficial effect:
This kind of engine fuel supplier does not adopt traditional mechanical hydraulic-pressure type control system to control the fuel supply volume of metering engine, by controlling the rotating speed of fuel oil rotary pump, the control to engine fuel delivery volume can be realized, greatly reduce the component of a system, structure is simple, all has reduction for the quality of fuel oil supply device and volume, simplify the assembling Sum decomposition workload of motor, improve manufacturing efficiency, and control simple, be beneficial to the optimal design of motor.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of a kind of engine fuel supplier of the present invention preferred embodiment.
Description of reference numerals:
101, motor; 102, electronic controller; 103, power unit; 104, fuel oil rotary pump; 105, control valve; 106, fuel tank; 107, pressure fixing valve; 108, supply air line; 109, reflux branch road.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Refer to Fig. 1, the preferred embodiments of the present invention provide a kind of engine fuel supplier, for controlling the fuel delivery of motor 101, comprising: the power unit 103 of fuel oil rotary pump 104 and driving fuel oil rotary pump 104; The filler opening of fuel oil rotary pump 104 connects fuel tank 106, and oil outlet is connected with the firing chamber of motor 101; Power unit 103 is connected with electronic controller 102 electrical signal of motor 101, and fuel tank 106 is constant voltage fuel tank.Due to the constant pressure in fuel tank 106, thus ensure that the filler opening of fuel oil rotary pump 104 and the pressure reduction substantially constant of oil outlet; Therefore, in the process that motor 101 works, by controlling the rotating speed of fuel oil rotary pump 104, the adjustment to motor 101 fuel supply volume just can be realized.
When motor 101 starts, electronic controller 102, according to the engine running instruction received, exports control signal and starts power unit 103; Power unit 103 drives fuel oil rotary pump 104 to operate, and fuel oil rotary pump 104 extracts the firing chamber of fuel delivery to motor 101 in the fuel tank 106 of constant voltage, and motor 101 operates; Electronic controller 102 gathers the current rotating speed of motor 101, and is compared by the rotating speed of target of current rotating speed and motor 101, draws rotating speed difference; Export the control signal of power unit 103 to according to the adjustment of rotating speed difference electronic controller 102, the rotating speed of fuel oil rotary pump 104 changes, and adjustment is supplied to the amount of fuel of the firing chamber of motor 101, until motor 101 reaches rotating speed of target.Such as, when motor 101 starts, rotating speed of target is 4500 turns/min, the amount of fuel that fuel oil rotary pump 104 starts to be supplied to motor 101 can only make motor 101 keep the rotating speed of 4000 turns/min, electronic controller 102 collection, relatively after, according to the rotating speed difference of 500 turns/min, adjustment exports the control signal of power unit 103 to, improve the rotating speed of fuel oil rotary pump 104, the fuel supply volume of motor 101 is increased, makes motor 101 reach the rotating speed of target of 4500 turns/min with this; Otherwise if the current rotating speed of motor 101 is higher than rotating speed of target, electronic controller 102 reduces the rotating speed of fuel oil rotary pump 104, makes the fuel supply volume of motor 101 reduce.
This kind of engine fuel supplier does not adopt traditional mechanical hydraulic-pressure type control system to control the fuel supply volume of metering engine 101, reduce the component of a system, structure is simple, all reduction is had for the quality of fuel oil supply device and volume, simplify the assembling Sum decomposition workload of motor, improve manufacturing efficiency, and control simple, be beneficial to the optimal design of motor.
Preferably, power unit 103 is brushless DC servomotor, and it is connected with fuel oil rotary pump 104 by coupling.Brushless DC servomotor rotary inertia is little, starts and stops response rapidly, can improve sensitivity and the validity of fuel oil supply device.
Preferably, when motor 101 cuts out, the fuel delivery of motor 101 can be cut off rapidly, the pipeline that the oil outlet of fuel oil rotary pump 104 is connected with the firing chamber of motor 101 is provided with control valve 105.Control valve 105 is solenoid valve, and it is connected with electronic controller 102 electrical signal of motor 101.When motor 101 starts, electronic controller 102 exports start signal and opens solenoid valve; When motor 101 cuts out, electronic controller 102 exports closure signal shut electromagnetic valve.
Preferably, motor 101 is connected with fuel tank 106 by supply air line 108, and the flow outlet of fuel tank 106 is provided with pressure fixing valve 107; Preferably, supply air line 108 is provided with backflow branch road 109, and the inlet end of backflow branch road 109 connects supply air line 108, outlet side connecting engine 101.This kind of structure, utilizes motor 101 to pressurize for fuel tank 106, and the flow outlet of fuel tank 106 arranges the constant pressure that pressure fixing valve 107 ensures in fuel tank 106, and need not design constant-voltage system for fuel tank 106 again, structure is simple, reliable.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
By controlling the rotating speed of fuel oil rotary pump, the control to engine fuel delivery volume can be realized, the component used is few, structure is simple, all there is reduction for the quality of fuel oil supply device and volume, simplify the assembling Sum decomposition workload of motor, improve manufacturing efficiency, and control simple, be beneficial to the optimal design of motor.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention; For a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an engine fuel supplier, for controlling the fuel delivery of motor (101), is characterized in that, comprising:
Fuel oil rotary pump (104) and drive the power unit (103) of described fuel oil rotary pump (104); The filler opening of described fuel oil rotary pump (104) connects fuel tank (106), described fuel tank (106) is constant voltage fuel tank, constant pressure in described fuel tank (106) is constant with the pressure reduction of the filler opening and oil outlet that ensure described fuel oil rotary pump (104), in the process that described motor (101) works, the adjustment to described motor (101) fuel supply volume can be realized by the rotating speed controlling described fuel oil rotary pump (104);
The oil outlet of described fuel oil rotary pump (104) is connected with the firing chamber of described motor (101); Described power unit (103) is connected with electronic controller (102) electrical signal of described motor (101);
When described motor (101) starts, described electronic controller (102), according to the engine running instruction received, exports control signal and starts described power unit (103); Described power unit (103) drives described fuel oil rotary pump (104) to operate, described fuel oil rotary pump (104) is from extracting the firing chamber of fuel delivery to described motor (101) in the described fuel tank (106) of constant voltage, described motor (101) operates; Described electronic controller (102) gathers the current rotating speed of described motor (101), and is compared by the rotating speed of target of current rotating speed and described motor (101), draws rotating speed difference; According to rotating speed difference, electronic controller (102) adjustment exports the control signal of described power unit (103) to, the rotating speed of described fuel oil rotary pump (104) changes, adjustment is supplied to the amount of fuel of the firing chamber of described motor (101), until described motor (101) reaches rotating speed of target.
2. a kind of engine fuel supplier according to claim 1, is characterized in that:
Described power unit (103) is brushless DC servomotor, and described power unit (103) is connected with described fuel oil rotary pump (104) by coupling.
3. a kind of engine fuel supplier according to claim 1, is characterized in that:
The pipeline that the oil outlet of described fuel oil rotary pump (104) is connected with the firing chamber of described motor (101) is provided with control valve (105).
4. a kind of engine fuel supplier according to claim 3, is characterized in that:
Described control valve (105) is solenoid valve, and described control valve (105) is connected with electronic controller (102) electrical signal of described motor (101).
5. a kind of engine fuel supplier according to claim 1, is characterized in that:
Described motor (101) is connected with described fuel tank (106) by supply air line (108), and the flow outlet of described fuel tank (106) is provided with pressure fixing valve (107); Described supply air line (108) is provided with backflow branch road (109), and the inlet end of described backflow branch road (109) connects described supply air line (108), and outlet side connects described motor (101).
6. an engine fuel supply control method, is characterized in that, comprises the following steps:
The electronic controller (102) of S1, motor (101), according to the engine running instruction received, exports control signal and starts power unit (103);
S2, described power unit (103) drives fuel oil rotary pump (104) running, described fuel oil rotary pump (104) is from extracting the firing chamber of fuel delivery to described motor (101) in the fuel tank (106) of constant voltage, described motor (101) operates, constant pressure in described fuel tank (106) is constant with the pressure reduction of the filler opening and oil outlet that ensure described fuel oil rotary pump (104), in the process that described motor (101) works, the adjustment to described motor (101) fuel supply volume can be realized by the rotating speed controlling described fuel oil rotary pump (104),
S3, described electronic controller (102) gather the current rotating speed of described motor (101), and are compared by the rotating speed of target of described current rotating speed and described motor (101), draw rotating speed difference;
S4, according to described rotating speed difference electronic controller (102) adjustment export the control signal of described power unit (103) to, the rotating speed of described fuel oil rotary pump (104) changes, adjustment is supplied to the amount of fuel of the firing chamber of described motor (101), until described motor (101) reaches rotating speed of target.
7. a kind of engine fuel supply control method according to claim 6, is characterized in that:
Described power unit (103) is brushless DC servomotor, and described power unit (103) is connected with described fuel oil rotary pump (104) by coupling.
8. a kind of engine fuel supply control method according to claim 6, is characterized in that:
The pipeline that described fuel oil rotary pump (104) is connected with the firing chamber of described motor (101) is provided with control valve (105).
9. a kind of engine fuel supply control method according to claim 8, is characterized in that:
Described control valve (105) is solenoid valve, and described control valve (105) is connected with electronic controller (102) electrical signal of described motor (101);
When described motor (101) starts, described electronic controller (102) exports start signal and opens described solenoid valve;
When described motor (101) cuts out, described electronic controller (102) exports closure signal and cuts out described solenoid valve.
10. a kind of engine fuel supply control method according to claim 6, is characterized in that:
Described motor (101) is connected with described fuel tank (106) by supply air line (108), and the flow outlet of described fuel tank (106) is provided with pressure fixing valve (107); Described supply air line (108) is provided with backflow branch road (109), and the inlet end of described backflow branch road (109) connects described supply air line (108), and outlet side connects described motor (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511837.8A CN103557082B (en) | 2013-10-25 | 2013-10-25 | A kind of engine fuel supplier and controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511837.8A CN103557082B (en) | 2013-10-25 | 2013-10-25 | A kind of engine fuel supplier and controlling method |
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| Publication Number | Publication Date |
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| CN103557082A CN103557082A (en) | 2014-02-05 |
| CN103557082B true CN103557082B (en) | 2015-12-30 |
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| CN201310511837.8A Active CN103557082B (en) | 2013-10-25 | 2013-10-25 | A kind of engine fuel supplier and controlling method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762184B (en) * | 2015-11-24 | 2019-10-18 | 西安航空动力控制科技有限公司 | A kind of apparatus for controlling pump for master backup conversion |
| CN108533426A (en) * | 2018-03-29 | 2018-09-14 | 中国航发湖南动力机械研究所 | Engine fuel feed system and fuel delivery control method |
| CN113250954A (en) * | 2021-05-17 | 2021-08-13 | 南京航空航天大学 | Micro-flow supply method of electric gear pump based on electromagnetic valve time domain opening control |
| CN115788692A (en) * | 2022-11-10 | 2023-03-14 | 中国航发北京航科发动机控制系统科技有限公司 | High-precision fuel metering electronic control device and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2052805B (en) * | 1979-06-29 | 1983-03-09 | Smiths Industries Ltd | Gas-turbine engine control |
| US6675570B2 (en) * | 2000-06-15 | 2004-01-13 | Argo-Tech Corporation | Low-cost general aviation fuel control system |
| US6810674B2 (en) * | 2002-07-18 | 2004-11-02 | Argo-Tech Corporation | Fuel delivery system |
| JP2007530873A (en) * | 2004-03-29 | 2007-11-01 | アーゴ−テック・コーポレーション | Variable displacement pump with double displacement capacity used to prevent over-thrust of engines with fuel system heat benefits |
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Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |
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