CN101487421A - Oil seal control device for aviation turbofan engine in deplaning state - Google Patents
Oil seal control device for aviation turbofan engine in deplaning state Download PDFInfo
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- CN101487421A CN101487421A CNA2008101256128A CN200810125612A CN101487421A CN 101487421 A CN101487421 A CN 101487421A CN A2008101256128 A CNA2008101256128 A CN A2008101256128A CN 200810125612 A CN200810125612 A CN 200810125612A CN 101487421 A CN101487421 A CN 101487421A
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Abstract
The invention discloses an oil seal control device of an aircraft turbofan engine under deplaning state. The device can realize 'false start' of the engine under the deplaning state (the deplaning state means the state of the engine state when the engine breaks away the control of the plane and works independently), thus driving an engine rotor to rotate and injecting oil-sealing oil fluid into the internal surface of an engine fuel system accessory and the internal surface of a turbo-starter fuel system accessory for oil sealing. The device includes a case, a signal acquisition system, an interface circuit system, an A/D converting system, a main control computer, a power supply system and a display and operating system. The device comprehensively utilizes the computer control technology, and the technologies of virtual instrumentation, signal testing and treatment and the like, firstly realizes the oil sealing control of the engine under the deplaning state and meets long-term oil sealing requirement of the aircraft turbofan engine.
Description
Technical field
The present invention relates to a kind of oil sealing control gear of aeroengine, the oil sealing control gear under especially a kind of aerial turbo fan engine escape status.
Background technique
Guaranteeing that aeroengine is in good working order, is crucial work in the aircaft maintenance support process.
Aerial turbo fan engine service procedure rules regulation: " motor exhausted in working life, need return under the situation of repair in shop reason, must carry out inner oil sealing.The motor of oil sealing, the resting period is if surpass three months, the new oil sealing of laying equal stress on of must breaking seal ".Therefore, engine oil seal equipment is one of indispensable special device in the aircraft maintenance safeguard work, is to guarantee that engine operation is normal, guarantees the important ground installation of flight safety.
The normal oil sealing of aerial turbo fan engine carries out aboard, be " false start " that realizes motor by the turbo-starter on the aircraft and control system thereof and engine starting system co-operation, rotate thereby drive engine rotor, oil sealing fluid injection engine oil-fired system attachment interior surface and turbo-starter oil-fired system attachment interior surface are carried out inner oil sealing.
Under escape status (escape status to be mean engine breaking away from the control of aircraft and the state that works independently), motor has broken away from aircraft environment, has lost the control of aircraft, realize " false start " of motor under the escape status, and difficulty is very big.At present, under escape status, aerial turbo fan engine is carried out interior oil and be enclosed in the domestic blank that still belongs to.
Summary of the invention
In order to solve the oil sealing problem under the aerial turbo fan engine escape status, the invention provides the oil sealing control gear under a kind of aerial turbo fan engine escape status, use this device to monitor, to control to turbo-starter and motor, realize " false start " of motor under the escape status, thereby the sealed system of the interior oil of finishing motor and turbo-starter is for the development of the long-term oil sealing equipment of motor provides technical support.
Technological scheme of the present invention is: the oil sealing control gear under a kind of aerial turbo fan engine escape status, comprise cabinet, signal acquiring system, interface circuit system, A/D converting system, main control computer, power-supply system and display operation system, wherein universal wheel mechanism is installed, can moves for ground in the cabinet bottom; At cabinet inside a main control computer is arranged, a control circuit board and a stabilized power supply, main control computer all is connected with stabilized power supply with control circuit board; This device also comprises an operation panel that is connected with main control computer, an interface panel that is connected with engine accessory power rating; This device also has an interface equipment cabin, and some conjunction cables are arranged in the cabin.
The working principle of this oil sealing control gear is: under the motor escape status, utilize the work of main control computer control turbo-starter, thereby drive engine running, realize " false start " of motor under the escape status, when engine rotor rotates, with lubricating oil injection engine oil-fired system attachment interior surface and the turbo-starter oil-fired system attachment interior surface after the dehydration, carry out the inside oil sealing of motor and turbo-starter.
Use oil sealing control gear of the present invention, can obtain beneficial effect as described below: this oil sealing control gear has substituted the repertoire of real mounted engine automatic starting device and the partial function of motor combination governor with main control computer, realized " false start " under the motor escape status, finished the oil sealing control of aerial turbo fan engine, for the development of the long-term oil sealing equipment of aeroengine provides technical support, has stronger use value.
Description of drawings
Fig. 1 is the plan view of oil sealing control gear;
Fig. 2 is the side view of oil sealing control gear;
Fig. 3 is the plan view of oil sealing control gear;
Fig. 4 is the fundamental composition block diagram of oil sealing control gear;
Fig. 5 is the operation panel schematic representation of oil sealing control gear;
Fig. 6 is the interface panel schematic representation of oil sealing control gear.
Among the figure: 1. universal wheels, 2. main control computer, 3. control circuit board, 4. stabilized power supply, 5. conjunction cable, 6. operation panel, 7. interface panel.
Embodiment
Oil sealing control gear under a kind of aerial turbo fan engine escape status such as Fig. 1～shown in Figure 3, in the cabinet bottom universal wheels 1 is installed, be convenient to ground and move.In the equipment compartment of the top of cabinet control circuit board 3 being arranged, is main control computer 2 on the upper strata in the lower part equipment cabin of cabinet, and main control computer 2 is control maincenters of whole oil sealing control gear.Lower floor in the lower part equipment cabin of cabinet is a stabilized power supply 4, is used for to control circuit board 3 and main control computer 2 power supplies.In the front portion of cabinet is the control panel cabin, is the operation panel 6 of oil sealing control gear in the cabin, the operation control when operation panel 6 is used for carrying out engine oil seal.At the rear portion of cabinet is the interface equipment cabin, and the first half in interface equipment cabin is the interface panel 7 of oil sealing control gear, connects the connection interface that door face board 7 is oil sealing control gear and engine accessory power rating.The Lower Half in interface equipment cabin is a conjunction cable 5, mainly comprises the various conjunction cables of oil sealing control gear and engine accessory power rating.
The fundamental composition of oil sealing control gear comprises cabinet, signal acquiring system, interface circuit system, A/D converting system, main control computer, power-supply system and operation display system as shown in Figure 4.
The operation panel of oil sealing control gear as shown in Figure 5, the left side is a touch-screen display, the right side is respectively power supply indicator and power switch.Touch-screen display is mainly used to carry out oil sealing control and shows and operation under the motor escape status, the first half of touch-screen display is the display unit, is respectively from left to right: tachometer, exhaust gas thermometer, 27V line voltmeter, lubricating oil pressure warning light, power lamp, I group oil sealing signaling lamp, II group oil sealing signaling lamp.The Lower Half of touch-screen display is an operative section, is respectively from left to right: engine oil unpacking button, turbo-starter oil unpacking button, the cold driving button of turbo-starter, suction booster switch, oil well pump switch.
The interface panel of oil sealing control gear is respectively as shown in Figure 6 from left to right: fuel pump adapter, oil well pump joint, engine oil unpacking joint, parking oil-break joint, starter power joint, igniting attachment tab and turbo-starter delivery temperature joint.
The working procedure of oil sealing control gear is:
(1) is ready to the oil sealing control gear.
(2) cable between connection oil sealing control gear and the motor escape status test bay.
(3) connect cable between oil sealing control gear and motor, the turbo-starter.
(4) start the oil sealing control gear, " power switch " on the opening operation panel, at this moment " power supply indicator " is bright, click " suction booster switch " on the touch-screen display, suction booster work on the escape status test bay, beginning provides the fuel oil of certain pressure to turbo-starter and motor, regulates the pressure of fuel oil by adjusting the oil return switch, and the pressure of oil-fired system is 0.1Mpa.
(5) the fuel pump governor controlling rod is transferred to " slow train " restraint position, click " engine oil unpacking button " on the touch-screen display, the activating signal lamp is bright, oil-fired system, oil system are started working, motor driven starter and turbo-starter igniting annex are started working, the turbo-starter starting begins to send power.When the free turbine rotating speed reaches 33500 ± 2400 rev/mins, turn-off (perhaps ought start to the 10th second, will turn-off) by main control computer control motor driven starter, igniting annex by the time-oriented sequential control of main control computer, this moment, turbo-starter started successfully.The high pressure rotor of motor also starting began in about the 5th second rotate, but a motor oil spout misfires, engine high pressure rotor speed slowly rises.When working the 50th second, fuel oil is cut off in the outage of main control computer control turbo-starter shutdown switch solenoid valve, and turbo-starter is deactivated, and " tachometer " on the touch-screen display shows engine high pressure rotor maximum (top) speed n at this moment
2About 18%.
(6) as required, carry out the working method conversion by clicking " engine oil unpacking button ", " the turbo-starter oil unpacking button " and " the cold driving button of turbo-starter " selected on the touch-screen display, finish the oil sealing and the unpacking work of motor and turbo-starter respectively.
Claims (3)
1. the oil sealing control gear under the aerial turbo fan engine escape status, it is characterized in that: comprise cabinet, signal acquiring system, the interface circuit system, the A/D converting system, main control computer, power-supply system and display operation system, wherein universal wheels (1) is installed in the cabinet bottom, at cabinet inside a main control computer (2) is arranged, a control circuit board (3) and a stabilized power supply (4), main control computer (2) all is connected with stabilized power supply (4) with control circuit board (3), this device also comprises an operation panel that is connected with main control computer (6), an interface panel that is connected with engine accessory power rating (7), this device also has an interface equipment cabin, and some conjunction cables (5) are arranged in the cabin.
2. the oil sealing control gear under the aerial turbo fan engine escape status as claimed in claim 1, it is characterized in that: the operation panel of this oil sealing control gear (6) comprises touch-screen display, power supply indicator and power switch, touch-screen display is mainly used to carry out oil sealing control and shows and operation under the motor escape status, comprise tachometer, exhaust gas thermometer, the 27V line voltmeter, the lubricating oil pressure warning light, power lamp, I group oil sealing signaling lamp, II group oil sealing signaling lamp, engine oil unpacking button, turbo-starter oil unpacking button, the cold driving button of turbo-starter, the suction booster switch, the oil well pump switch.
3. the oil sealing control gear under the aerial turbo fan engine escape status as claimed in claim 1, it is characterized in that: the interface panel of this oil sealing control gear (7) comprises fuel pump adapter, oil well pump joint, engine oil unpacking joint, parking oil-break joint, starter power joint, igniting attachment tab and turbo-starter delivery temperature joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810125612 CN101487421B (en) | 2008-06-07 | 2008-06-07 | Oil seal control device for aviation turbofan engine in deplaning state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810125612 CN101487421B (en) | 2008-06-07 | 2008-06-07 | Oil seal control device for aviation turbofan engine in deplaning state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487421A true CN101487421A (en) | 2009-07-22 |
| CN101487421B CN101487421B (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810125612 Expired - Fee Related CN101487421B (en) | 2008-06-07 | 2008-06-07 | Oil seal control device for aviation turbofan engine in deplaning state |
Country Status (1)
| Country | Link |
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| CN (1) | CN101487421B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383940A (en) * | 2011-09-20 | 2012-03-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Oil seal vehicle with out-of-operation starter for aircraft engine |
| CN102720598A (en) * | 2012-06-25 | 2012-10-10 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN103968045A (en) * | 2013-02-05 | 2014-08-06 | 珠海保税区摩天宇航空发动机维修有限公司 | Engine accessory gearbox oil-sealing method |
| CN104859863A (en) * | 2015-05-06 | 2015-08-26 | 桂林长海发展有限责任公司 | Support equipment for aircraft maintenance |
| CN106401750A (en) * | 2016-08-31 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Oil sealing equipment |
| CN106401751A (en) * | 2016-08-31 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Engine oil seal table and engine out-field oil seal method |
| CN110406695A (en) * | 2019-07-22 | 2019-11-05 | 上海航空机械有限公司 | A kind of helicopter engine complex seal device operating system |
Citations (2)
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|---|---|---|---|---|
| JPS6143224A (en) * | 1984-08-03 | 1986-03-01 | Hitachi Ltd | Fuel oil system of gas turbine |
| CN201202537Y (en) * | 2008-06-07 | 2009-03-04 | 中国人民解放军空军第一航空学院 | Oil seal control device of aviation turbo fan engine under off-machine state |
-
2008
- 2008-06-07 CN CN 200810125612 patent/CN101487421B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143224A (en) * | 1984-08-03 | 1986-03-01 | Hitachi Ltd | Fuel oil system of gas turbine |
| CN201202537Y (en) * | 2008-06-07 | 2009-03-04 | 中国人民解放军空军第一航空学院 | Oil seal control device of aviation turbo fan engine under off-machine state |
Non-Patent Citations (2)
| Title |
|---|
| 王洲伟,于焕义,许松: "某型航空发动机长期封存设备的研制", 《液压与气动》 * |
| 陈浩，于焕义，朱亚: "某型发动机油封装置的国产化设计", 《机械设计与制造》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383940A (en) * | 2011-09-20 | 2012-03-21 | 沈阳黎明航空发动机(集团)有限责任公司 | Oil seal vehicle with out-of-operation starter for aircraft engine |
| CN102720598A (en) * | 2012-06-25 | 2012-10-10 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN102720598B (en) * | 2012-06-25 | 2014-06-11 | 中国南方航空工业(集团)有限公司 | Ground oil sealing device |
| CN103968045A (en) * | 2013-02-05 | 2014-08-06 | 珠海保税区摩天宇航空发动机维修有限公司 | Engine accessory gearbox oil-sealing method |
| CN103968045B (en) * | 2013-02-05 | 2015-12-23 | 珠海保税区摩天宇航空发动机维修有限公司 | Engine accessory gear box oil sealing method |
| CN104859863A (en) * | 2015-05-06 | 2015-08-26 | 桂林长海发展有限责任公司 | Support equipment for aircraft maintenance |
| CN106401750A (en) * | 2016-08-31 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Oil sealing equipment |
| CN106401751A (en) * | 2016-08-31 | 2017-02-15 | 中国南方航空工业(集团)有限公司 | Engine oil seal table and engine out-field oil seal method |
| CN106401750B (en) * | 2016-08-31 | 2018-05-08 | 中国南方航空工业(集团)有限公司 | Oil sealing equipment |
| CN110406695A (en) * | 2019-07-22 | 2019-11-05 | 上海航空机械有限公司 | A kind of helicopter engine complex seal device operating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487421B (en) | 2013-08-14 |
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