CN110239729A - A kind of pressure filling device with preview function - Google Patents
A kind of pressure filling device with preview function Download PDFInfo
- Publication number
- CN110239729A CN110239729A CN201910460340.5A CN201910460340A CN110239729A CN 110239729 A CN110239729 A CN 110239729A CN 201910460340 A CN201910460340 A CN 201910460340A CN 110239729 A CN110239729 A CN 110239729A
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- China
- Prior art keywords
- pressure filling
- valve
- pressure
- filling device
- function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 239000002828 fuel tank Substances 0.000 claims description 15
- 235000015927 pasta Nutrition 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 38
- 239000000295 fuel oil Substances 0.000 abstract description 13
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical group C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D39/00—Refuelling during flight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/28—Liquid-handling installations specially adapted for fuelling stationary aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention belongs to aircraft fuel system technical fields, are related to a kind of pressure filling device of the aircraft with preview function.A kind of pressure filling device with preview function proposed by the present invention is by pressure filling control valve, oil Level controllor and preliminary examination solenoid valve block at three products, which work together, can be achieved the full oily function of normal pressure oiling function, emergency and preview function.This pressure filling device is exported using multi signal, it can quickly judge failure cause, whether the emergency flight control function that preview function can detect pressure filling device in advance is normal, to prevent pressure filling in the process because normal control failure causes fuel oil to overflow, the reliability of aircraft fuel system can be effectively improved, maintenance workload is reduced, shortens maintenance period, the long service life of product, good economy performance.
Description
Technical field
The invention belongs to aircraft fuel system technical fields, are related to a kind of pressure filling device with preview function.
Background technique
The pressure filling device of aircraft fuel system is by pressure filling control valve, oil Level controllor and preliminary examination solenoid valve block
At.Pressure filling device is mounted on fuel pressure oiling subsystem pipeline, for controlling pressure filling pipeline intermediate fuel oil to combustion
The opening and closing of fuel tank flowing.
With the continuous development of aviation Advanced Idea and technology, reliability of the modern aircraft design to fuel system, maintenance
Property require it is also higher and higher.Therefore, the use of the pressure filling device with preview function will become a kind of trend.
Traditional pressure filling control realizes that it is driven by motor drive mechanism by the pressure filling switch of throttle valve type, by
Automatic oiling controller control, according to the opening and closing of certain oiling sequential controlled switches.Motor drive mechanism is with drive rod
Splined, throttle valve is fixed on drive rod, and is pressed on the binding face of lid switch by two springs.When electronic
When mechanism drives drive rod rotation, throttle valve is just moved up and down along the binding face on lid switch, to control beating for throttle valve
It is open and close.Pressure filling switch does not have preview function, when product failure, can only could find in refueling process, holds
It easily causes fuel oil to overflow even to damage fuel tank.
Summary of the invention
Goal of the invention: three kinds of full oil control of a kind of realization normal pressure refueling control, emergency, oiling preview function function are proposed
The pressure filling device of energy.
Technical solution:
A kind of pressure filling device with preview function and the pressure filling device for issuing multi signal instruction, by pressure filling
Valve, oil Level controllor and preliminary examination solenoid valve three parts composition, three parts are controlled to connect by fuel duct;Pressure filling control
Valve is coupled by the ring flange of end with fuel pressure filling conduit, and oil Level controllor is fixed on fuel tank head, pasta control
Device processed is connected with oiling general pipeline by preliminary examination pipeline, has been provided with preliminary examination solenoid valve on preliminary examination pipeline, oil Level controllor also with
Pressure filling controls valve and is connected;The normal oiling function of realizing the device, emergency are cooperated with each other by above-mentioned three parts
Full oil three kinds of function, oiling preview function functions.
Wherein, pressure filling controls valve by upper housing, shell, lower case, electromagnet, upper plug valve, spring, lower prop
Fill in the spare parts such as valve and standard component composition;Oil Level controllor by mechanical floats, float valve, mechanical floats outer cover, lower case,
The composition such as diaphragm valve, cover board, magnetic float outer cover, small float, Hall sensor, pressure inlet, support arm and connecting plate;Preliminary examination electromagnetism
Valve is direct-acting electromagnetic valve, mainly by shell, spring, coil block, armature, solenoid housing, position sensor, printed board assembly
And cover composition;Three parts are connected by fuel duct, and product connects each other, cooperating, and following functions may be implemented:
1. normal oiling function:
When aircraft ground need refuel or need in the air by oil when, to pressure filling valve be powered, pressure filling valve
High pressure fuel in pressure filling pipeline controls valve by pressure filling and enters fuel tank, when the fuel oil in fuel tank be added to it is pre-
When definite value, fuel oil computer issues instruction, adds oil consumption controller to control valve power-off to pressure, closes oil circuit, realizes normal add
Oily function.
2. the full oily function of emergency:
When the failure of normal oiling function control, the fuel oil in fuel tank continues to rise, and shakes when rising to oil Level controllor
When the work fuel head of arm-type float, the oil Level controllor by the way that fuel tank head is arranged in closes pressure filling control and lives
Door, stops refueling into fuel tank.Realize the full oil control of emergency.
3. oiling preview function
It in normal refueling process, is powered and opens preliminary examination solenoid valve, fuel oil enters oil Level controllor by preliminary examination pipeline, leads to
It crosses oil Level controllor and closes pressure filling control valve, check whether the work of pressure filling device is normal, realizes oiling preliminary examination function
Energy.
Advantageous effects
The full oil control of normal pressure refueling control, emergency may be implemented in a kind of pressure filling device with preview function of the present invention
System, oiling preview function.The present invention can both control normal pressure oiling to by fuel oil computer in aircraft refuelling
System can also carry out emergency flight control by the component oil Level controllor of pressure filling device when normal control fails, prevent from firing
Oily excessive spilling fuel tank.Pressure filling device can realize that emergency function is pre- to itself in normal pressure refueling process simultaneously
Inspection prevents from meeting an urgent need when full oil control is failed and refuel to aircraft.
Detailed description of the invention
Fig. 1 is a kind of connection block diagram of pressure filling device with preview function,
Fig. 2 is pressure filling control valve structure schematic diagram,
Fig. 3 is pressure filling control valve A-A cross-sectional view,
Fig. 4 is the cross-sectional view of oil Level controllor,
Fig. 5 is the cross-sectional view of preliminary examination solenoid valve;
Number explanation: plunger valve under 1- shell, 2- upper housing, 3- lower case, 4- upper plug valve, 5-, 6-
Electromagnet, 7- spring, 8- emergency flight control chamber, 9- electromagnet position sensor, 10- valve position sensor, 11- emergency flight control
Interface, 12- emergency flight control chamber, 13- cable interface;
14- mechanical floats outer cover, 15- lower case, 16- mechanical floats, 17- float valve, 18- diaphragm valve,
19- cover board, 20- magnetic float outer cover, the small float of 21-, 22- Hall sensor, 22- connecting plate, 23- cable interface, 24-
Magnetic float connecting plate, 25- mechanical floats connecting plate, 26- control interface, 27- preliminary examination interface.
28- outer cover, 29- shell, 30- spring, 31- armature, 32- coil, 33- solenoid housing, 34- printed board
Component, 35- position signalling apparatus, 36- preliminary examination interface (into), 37- preliminary examination interface (out).
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5;Fig. 1 is the connection block diagram of pressure filling device;Fig. 2 and Fig. 3 is pressure
The cross-sectional view of Refilling control valve;Fig. 4 is the cross-sectional view of oil Level controllor;Fig. 5 is the cross-sectional view of preliminary examination solenoid valve;
In present embodiment, referring to Fig. 1, a kind of pressure filling device with preview function includes that pressure filling control is lived
Door, oil Level controllor and preliminary examination solenoid valve;Wherein, pressure filling control valve is refueled by the ring flange and fuel pressure of end
Pipeline connection, oil Level controllor are fixed on fuel tank head by the way that the screw hole of upper surface is arranged in, and preliminary examination solenoid valve passes through mark
Quasi- screw thread and preliminary examination piping connection.Realize that normal pressure refueling control function, emergency are full by the associated working of above-mentioned three parts
Oily control function and preview function, each section are provided with functional indicator light, to prompt its working condition:
1. normal pressure refueling control function
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, when aircraft is when ground needs to refuel or need in the air by oil, to pressure
The electromagnet 1 of power Refilling control valve is powered, and armature 2 is attracted under electromagnet electromagnetic force, and normal control chamber 9 is unimpeded, high
Compression ignition oil successively pushes lower plunger valve 5, upper plug valve 4 open, then flows into fuel tank by inner cavity.When the fuel oil in fuel tank adds
When to specified magnitude, the controller of pressure refuelling system is powered off to the electromagnet 1 of pressure filling control valve, and electromagnet 1 is disconnected
After electricity, return, normal control chamber 9 build pressure to armature 2 under spring force after being blocked, and lower plunger valve 5 is closed, stopped to oil
It refuels in case.Realize normal refueling control.
2. the full oily control function of emergency
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, the oil when the normal pasta control failure of pressure filling, in fuel tank
Face continues to rise, and when reaching the work pasta of oil Level controllor, the mechanical floats 3 of oil Level controllor drive float valve 4 stifled
Firmly emergency flight control pipeline makes the emergency flight control chamber 8 of pressure filling control valve build pressure, and upper plug valve 4 is closed, to make pressure
Refilling control valve emergency shutdown stops refueling to fuel tank, while the small float 21 of the magnetic float of oil Level controllor is floating in fuel oil
Rise under the action of power, triggering Hall sensor 22 issues emergency oil level signal.
3. preview function
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, aircraft gives preliminary examination solenoid valve in the normal pressure refueling process of ground
It is powered, armature 4 overcomes the spring force of spring 3 to be attracted under the influence of a magnetic field, and preliminary examination oil circuit is connected, while position in product coil
Sensor 8 issues on-position signal.Fuel oil enters oil Level controllor preliminary examination interface 27 by preliminary examination solenoid valve and preliminary examination pipeline,
Fuel oil is full of diaphragm chamber, and from the pressure relief opening outflow on diaphragm valve 18, generates pressure difference, diaphragm overcomes spring under differential pressure action
Active force moves upwards, and moulding valve blocks oil leakaging port, is stored by the fuel oil that oil Level controllor preliminary examination interface and control interface enter
Product is to mechanical floats chamber and is full of mechanical floats chamber, mechanical floats 16 is floated, float valve 17 is driven to close, pressure filling control
The emergency flight control chamber 12 of valve processed is blocked, and pressure filling control valve upper plug chamber is made to build pressure, and upper plug valve closes 4, from
And pressure filling is set to control valve emergency shutdown, while triggering valve position sensor 10 and issuing valve shutdown signal.If oily
Case no longer oil inlet, show pressure refuelling system emergency pasta control function it is normal, can continue to refuel, to preliminary examination solenoid valve power off,
The diaphragm chamber pressure release of oil Level controllor, and return under spring force, the outflow of product float cavity fuel oil, mechanical floats 16 are lost
Going buoyancy to fall drives float valve 17 to open, and pressure filling controls 12 pressure release of valve emergency flight control chamber, and upper plug valve 4 is firing
The pressure effect of oil is lower to open, and pressure filling controls valve and restores fueling state, starts to refuel.
Claims (9)
1. a kind of pressure filling device with preview function, it is characterised in that: the refueling device controls valve, oil by pressure filling
Face controller and preliminary examination solenoid valve three parts composition, pressure filling control valve and are refueled by the ring flange and fuel pressure of end
Piping connection, oil Level controllor are fixed on fuel tank head, and oil Level controllor is connected with oiling general pipeline by preliminary examination pipeline, pre-
Preliminary examination solenoid valve is provided on inspection pipeline, oil Level controllor also passes through fuel duct and is connected with pressure filling control valve;Pass through
Above-mentioned three parts, which cooperate with each other, realizes the normal oiling function of the device, emergency full oily function, three kinds of oiling preview function
Function.
2. pressure filling device according to claim 1, it is characterised in that: the pressure control valve is by upper housing, shell
The spare parts such as body, lower case, electromagnet, upper plug valve, spring, lower plunger valve and standard component assembly.
3. pressure filling device according to claim 1, it is characterised in that: the oil Level controllor is by mechanical floats, floating
Sub- valve, lower case, diaphragm valve, cover board, magnetic float outer cover, small float, Hall sensor, pressure inlet, support arm and connecting plate
It assemblies.
4. pressure filling device according to claim 1, it is characterised in that: the preliminary examination solenoid valve is direct driving type electromagnetic
Valve is assemblied by shell, spring, coil block, armature, solenoid housing, position sensor, printed board assembly and cover.
5. pressure filling device according to claim 3, it is characterised in that: be provided with pressure relief opening on the diaphragm valve.
6. pressure filling device according to claim 3, it is characterised in that: the oil Level controllor is additionally provided with oil leak
Mouthful.
7. pressure filling device according to claim 3, it is characterised in that: the oil Level controllor further includes mechanical floats
Outer cover.
8. pressure filling device according to claim 1, it is characterised in that: the pressure filling controls valve, pasta control
Device processed and any a part of preliminary examination solenoid valve three parts can work independently.
9. pressure filling device according to claim 1 or 8, it is characterised in that: the pressure filling controls valve, pasta
Controller and preliminary examination solenoid valve are provided with functional indicator light, to prompt its working condition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910460340.5A CN110239729A (en) | 2019-05-29 | 2019-05-29 | A kind of pressure filling device with preview function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910460340.5A CN110239729A (en) | 2019-05-29 | 2019-05-29 | A kind of pressure filling device with preview function |
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Publication Number | Publication Date |
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CN110239729A true CN110239729A (en) | 2019-09-17 |
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CN201910460340.5A Pending CN110239729A (en) | 2019-05-29 | 2019-05-29 | A kind of pressure filling device with preview function |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111140658A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Float type double oil level control valve |
CN111483608A (en) * | 2020-04-15 | 2020-08-04 | 成都飞机工业(集团)有限责任公司 | Design method for modifying airplane gravity refueling system into aerial refueling system |
CN113022862A (en) * | 2021-04-29 | 2021-06-25 | 陕西飞机工业有限责任公司 | Pressure refueling device for aircraft |
WO2024119576A1 (en) * | 2022-12-09 | 2024-06-13 | 哈尔滨飞机工业集团有限责任公司 | Aircraft pressure refueling control apparatus and method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111140658A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Float type double oil level control valve |
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CN113022862A (en) * | 2021-04-29 | 2021-06-25 | 陕西飞机工业有限责任公司 | Pressure refueling device for aircraft |
WO2024119576A1 (en) * | 2022-12-09 | 2024-06-13 | 哈尔滨飞机工业集团有限责任公司 | Aircraft pressure refueling control apparatus and method |
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Application publication date: 20190917 |
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