CN110007702A - A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control - Google Patents
A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control Download PDFInfo
- Publication number
- CN110007702A CN110007702A CN201910254652.0A CN201910254652A CN110007702A CN 110007702 A CN110007702 A CN 110007702A CN 201910254652 A CN201910254652 A CN 201910254652A CN 110007702 A CN110007702 A CN 110007702A
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- valve
- pressure
- control
- pneumatic
- ball valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Fluid-Pressure Circuits (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of high pressures, the Aviation Fuel testing stand oil supply system of automatic control, including hydraulic subsystem, pneumatic subsystem and control system；Hydraulic system is for providing the fuel medium of controllable pressure, temperature；Pneumatic system is used to provide gas source power for the switch motion of pneumatic ball valve and for oil extraction in testpieces；Control system is used for hydraulic system, the control of pneumatic system, data acquisition and procession and power distribution protection.The present invention can be used for the fluid conveying of low-viscosity media, and output pressure reaches as high as 15MPa；Have fuel medium temp regulating function, heat exchange is carried out to adjust fuel medium temperature by heat exchanger with conduction oil.
Description
Technical field
The present invention relates to a kind of testing stand oil supply systems, and in particular to a kind of high pressure, automatic control Aviation Fuel test
Platform oil supply system.
Background technique
Aviation Fuel testing stand oil supply system is the fuel feeding for component tests such as Aviation Fuel pump valves of complete set
System, it is desirable that medium temperature, pressure remote auto adjust and have explosion-resistance characteristic, while requiring system itself No leakage.
Existing various Aviation Fuel testing stand oil supply systems mostly use greatly the mode of manually adjusting, and degree of regulation is low, pressure
Not high, system leak amount is big, does not have versatility.
Summary of the invention
The purpose of the present invention is to provide a kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control, Neng Goushi
The fuel supply of existing certain pressure, temperature and range of flow, the medium sources as testing stands such as various Aviation Fuel pump valves.
The technical solution for realizing the aim of the invention is as follows: a kind of high pressure, automatic control Aviation Fuel testing stand fuel feeding
System, including hydraulic subsystem, pneumatic subsystem and control system；Hydraulic system is for providing the fuel oil of controllable pressure, temperature
Medium；Pneumatic system is used to provide gas source power for the switch motion of pneumatic ball valve and for oil extraction in testpieces；Control system
For hydraulic system, the control of pneumatic system and data acquisition and procession.
Compared with prior art, the invention has the benefit that (1) fluid of the invention that can be used for low-viscosity media is defeated
It send, output pressure reaches as high as 15MPa, and flow is not less than 45L/min；(2) have fuel medium temp regulating function, and it is thermally conductive
Oil carries out heat exchange by heat exchanger to adjust fuel medium temperature, adjusts temperature range up to 0 DEG C~70 DEG C, deviation is ± 2
Within DEG C；(3) the form control oil circuit on-off of pneumatic ball valve is used, sealing material is polytetrafluoroethylene (PTFE), can be guaranteed atomic small
Leakage rate and non-aging reduction maintenance workload；(4) type of attachment of oil circuit pipe fitting is 60 ° of cone-shape metallic leak-proofs, eventually
Life is non-maintaining；5) by proportional pressure control valve can output pressure that is long-range, automatically controlling fuel oil,
Detailed description of the invention
Fig. 1 is hydraulic system principle figure in Aviation Fuel testing stand oil supply system of the invention.
Fig. 2 is pneumatic system schematic diagram in Aviation Fuel testing stand oil supply system of the invention.
Specific embodiment
A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control, including hydraulic subsystem, pneumatic subsystem and
Control system；Hydraulic system is for providing the fuel medium of controllable pressure, temperature；The switch that pneumatic system is used for as pneumatic ball valve
Movement provides gas source power and for oil extraction in testpieces；Control system is used for the control of hydraulic system, pneumatic system, and number
According to acquisition and processing.
In conjunction with Fig. 1, hydraulic subsystem be open system, mainly by fuel tank 1, first filter 2.1, the second filter 2.2,
Third filter 2.3, the first temperature sensor 3.1, second temperature sensor 3.2, liquid level relay 4, liquidometer 6, air filter
Clear device 7, pump motor group 9, the first check valve 10.1, second one-way valve 10.2, plate heat exchanger 11, conduction oil all-in-one machine 12, the
The 13.1~the 5th pneumatic ball valve 13.5 of one pneumatic ball valve, direct acting overflow valve 14, proportional pressure control valve 15, pressure gauge 16, accumulator 17,
Liquid level sensor 18, throttle valve 19 and pressure sensor 20 form；
Conduction oil all-in-one machine 12 is connect by manual ball valve with plate heat exchanger 11, and 11 one end of plate heat exchanger passes through second
Check valve 10.2, third filter 2.3 are connect with fuel tank 1, the other end and the first pneumatic ball valve 13.1, direct acting overflow valve 14, ratio
Example overflow valve 15, third pneumatic ball valve 13.3, throttle valve 19 one end connection, the first pneumatic ball valve 13.1, direct acting overflow valve 14,
The other end of proportional pressure control valve 15 is connect with one end of the second filter 2.2, and the other end of the second filter 2.2 is single by first
It is connect to valve 10.1, pump motor group 9, first filter 2.1 with fuel tank 1；The other end of throttle valve 19 is through the 4th pneumatic ball valve
13.4, the 5th pneumatic ball valve 13.5 is connect with testpieces, the other end of third pneumatic ball valve 13.3 respectively with the second pneumatic ball valve
13.2, accumulator 17, testpieces connection, the other end of the second pneumatic ball valve 13.2 are connect with the second filter 2.2；Pressure gauge 16
It is connect with direct acting overflow valve 14, proportional pressure control valve 15；Liquid level sensor 18, second temperature sensor 3.2, pressure sensor 20 divide
It is not connect with testpieces；First temperature sensor 3.1, liquid level relay 4, liquidometer 6, air cleaner 7 are connect with fuel tank 1.
In conjunction with Fig. 2, pneumatic system includes gas source 21, three linked piece 22, throttle valve 23, filtering pressure reducing valve 24, packaging valve plate 25
With five electric change valves 26；
Three linked piece 22 is used to adjust the pressure, mist of oil amount and cleanliness of gas source 21, and five five electric change valves are for controlling
The switch of pneumatic ball valve is to control the on-off of hydraulic system correlation oil circuit, another five electric change valve in hydraulic system processed
It is adjusted for the inner fluid discharge of testpieces and the pressure lower than 1MPa, filtering pressure reducing valve 24 is used to adjust outlet pressure and filtering
Pollutant, throttle valve 23 is for adjusting induction air flow ratio, and packaging valve plate 25 is for installing five electric change valves.
Control system is mainly made of power distribution unit, control unit, data acquisition and processing unit, by related first device
The control of part to provide the oil sources of constant pressure and temperature, while acquiring oil circuit pressure, temperature and motor operating state in real time.
The following describes the present invention in detail with reference to examples.
Embodiment
A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control, comprising: hydraulic subsystem, pneumatic subsystem
With control system three parts；
Hydraulic system is mainly used for providing the fuel medium of controllable pressure, temperature；Pneumatic system is used for as pneumatic ball valve
Switch motion provides gas source power and for oil extraction in testpieces；Control system is used for hydraulic system, the control of pneumatic system, number
According to acquisition and processing and power distribution protection；
In conjunction with Fig. 1, the hydraulic subsystem is open system, mainly by fuel tank 1, filter 2, temperature sensor 3, liquid level
Relay 4, hose assembly 5, liquidometer 6, air cleaner 7, manual ball valve 8, pump motor group 9, check valve 10, plate heat exchanger
11, conduction oil all-in-one machine 12, pneumatic ball valve 13, direct acting overflow valve 14, proportional pressure control valve 15, pressure gauge 16, accumulator 17, liquid level
Sensor 18, throttle valve 19 and pressure sensor 20 form；
In conjunction with Fig. 2, pneumatic system is mainly by gas source 21, three linked piece 22, throttle valve 23, filtering pressure reducing valve 24, packaging valve plate
25, five electric change valves 26 and pipeline composition；
Three linked piece 22 is used to adjust the pressure, mist of oil amount and cleanliness of gas source 21, five electric change valves 26.1~26.5
For controlling the switch of pneumatic ball valve in hydraulic system to control the on-off of hydraulic system correlation oil circuit, five electric change valves
The 26.6 inner fluids discharges for testpieces and pressure lower than 1MPa are adjusted, filtering pressure reducing valve 24 be used to adjust outlet pressure and
Filtering contaminants, throttle valve 23 are used to adjust induction air flow ratio, and packaging valve plate 25 is used to install five electric change valves.
Control system is mainly made of power distribution unit, control unit, data acquisition and processing unit, by related first device
The control of part to provide the oil sources of constant pressure and temperature, while acquiring oil circuit pressure, temperature and motor operating state in real time；
The working principle of the oil supply system are as follows: when carrying out the test of assigned temperature, conduction oil all-in-one machine 12 starts temperature adjustment
To assigned temperature, five-way electromagnetic valve 26.1 commutates, and opens pneumatic ball valve 13.1；When oil liquid temperature needs to adjust, by fuel tank temperature
The thermoregulating system for spending the compositions such as sensor 3.1, pump motor group 9, plate heat exchanger 11, conduction oil all-in-one machine 12 realizes oil liquid temperature
Adjusting.The pressure oil that pump motor group 9 exports passes through check valve 10.1, high pressure filter 2.2, pneumatic ball valve 13.2 and pipeline,
Output meets the oil liquid of test requirements document temperature.
When test, when system needs to export stable constant pressure oil source, pump motor group 9 starts, and the oil liquid in fuel tank 1 is passed through
Filter 2.1 introduces high-pressure plunger pump, and high-pressure plunger pump exports high-voltage oil liquid and passes through check valve 10.1, filter 2.2, then simultaneously
Couple proportional overflow valve 15, at this time open pneumatic ball valve 13.2, pneumatic ball valve 13.4, flows oil liquid idle cycle, so
Pneumatic ball valve 13.4 is closed afterwards, is adjusted proportional pressure control valve 15 to required pressure, is closed pneumatic ball valve 13.2 and tested into pressure maintaining
Journey, oil liquid of the accumulator 17 to absorption pressure fluctuation and the leakage of complementary testing part.When required oil liquid pressure is in 1.0MPa or less
When, 15 pressure of proportional pressure control valve is adjusted and is higher than 1MPa, the air inlet 6B of pneumatic ball valve 13.5 and the compressed gas of pressure controllable
Pneumatic ball valve 13.5 is opened in connection, and the pressure by adjusting filtering pressure reducing valve 24 adjusts the pressure of testpieces inner fluid.System
System pressure can be realized the step-less adjustment of 0MPa~15MPa.
After the test, pneumatic ball valve 13.2 is closed, pneumatic ball valve 13.4,13.5 is opened, five electric change valves
26.6 commutations, are inflated by pneumatic ball valve 13.5 into testpieces, are adjusted throttle valve 23 and are adjusted intake velocity, will in testpieces
Oil liquid is flowed back in fuel tank by pneumatic ball valve 13.4.
Temperature sensor 3.2, the reading of pressure sensor 20 are the temperature and pressure for being output to testpieces, and as a result feedback arrives
Control system carries out data processing and storage.
Level display device liquidometer 6 and two position automatic alarm device liquid level relay 4 are installed, with true on fuel tank
Oil liquid in conservator does not overflow or is not able to satisfy minimum liquid level requirement；Air cleaner 7 is for air in fuel tank and the external world
Be connected to while there is filtration；Hose assembly 5 makes pipeline have flexibility, easy to disassemble；Manual ball valve 8 is put for fuel tank
The on-off of oil and conduction oil oil circuit.
Claims (4)
1. a kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control, which is characterized in that including hydraulic subsystem, gas
Dynamic subsystem and control system；Hydraulic system is for providing the fuel medium of controllable pressure, temperature；Pneumatic system is for being pneumatic
The switch motion of ball valve provides gas source power and for oil extraction in testpieces；Control system is for hydraulic system, pneumatic system
Control and data acquisition and procession.
2. high pressure according to claim 1, the Aviation Fuel testing stand oil supply system of automatic control, which is characterized in that institute
Stating hydraulic subsystem is open system, is mainly filtered by fuel tank (1), first filter (2.1), the second filter (2.2), third
Device (2.3), the first temperature sensor (3.1), second temperature sensor (3.2), liquid level relay (4), liquidometer (6), air
Filter (7), pump motor group (9), the first check valve (10.1), second one-way valve (10.2), plate heat exchanger (11), conduction oil
All-in-one machine (12), the first pneumatic ball valve (13.1)~the 5th pneumatic ball valve (13.5), direct acting overflow valve (14), proportional pressure control valve
(15), pressure gauge (16), accumulator (17), liquid level sensor (18), throttle valve (19) and pressure sensor (20) composition；
Conduction oil all-in-one machine (12) is connect by manual ball valve with plate heat exchanger (11), and plate heat exchanger (11) one end passes through the
Two check valves (10.2), third filter (2.3) are connect with fuel tank (1), and the other end and the first pneumatic ball valve (13.1), direct acting are overflow
Flow one end connection of valve (14), proportional pressure control valve (15), third pneumatic ball valve (13.3), throttle valve (19), the first pneumatic ball valve
(13.1), direct acting overflow valve (14), proportional pressure control valve (15) the other end connect with one end of the second filter (2.2), second
The other end of filter (2.2) passes through the first check valve (10.1), pump motor group (9), first filter (2.1) and fuel tank (1)
Connection；The other end of throttle valve (19) is connect through the 4th pneumatic ball valve (13.4), the 5th pneumatic ball valve (13.5) with testpieces, the
The other end of three pneumatic ball valves (13.3) is connect with the second pneumatic ball valve (13.2), accumulator (17), testpieces respectively, the second gas
The other end of dynamic ball valve (13.2) is connect with the second filter (2.2)；Pressure gauge (16) and direct acting overflow valve (14), proportional overflow
Valve (15) connection；Liquid level sensor (18), second temperature sensor (3.2), pressure sensor (20) are connect with testpieces respectively；
First temperature sensor (3.1), liquid level relay (4), liquidometer (6), air cleaner (7) are connect with fuel tank (1).
3. high pressure according to claim 2, the Aviation Fuel testing stand oil supply system of automatic control, which is characterized in that gas
Dynamic system includes gas source (21), three linked piece (22), throttle valve (23), filtering pressure reducing valve (24), packaging valve plate (25) and five energizations
Magnetic reversal valve (26)；
Three linked piece (22) is used to adjust the pressure, mist of oil amount and cleanliness of gas source (21), and five five electric change valves are for controlling
The switch of pneumatic ball valve is to control the on-off of hydraulic system correlation oil circuit, another five electric change valve in hydraulic system processed
It is adjusted for the inner fluid discharge of testpieces and the pressure lower than 1MPa, filtering pressure reducing valve (24) is used to adjust outlet pressure and mistake
Pollutant is filtered, throttle valve (23) is for adjusting induction air flow ratio, and packaging valve plate (25) is for installing five electric change valves.
4. high pressure according to claim 3, the Aviation Fuel testing stand oil supply system of automatic control, which is characterized in that control
System processed is mainly made of power distribution unit, control unit, data acquisition and processing unit, by the control to related component,
To provide the oil sources of constant pressure and temperature, while oil circuit pressure, temperature and motor operating state are acquired in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254652.0A CN110007702B (en) | 2019-03-31 | 2019-03-31 | High-pressure and automatic-control aviation fuel test bed oil supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254652.0A CN110007702B (en) | 2019-03-31 | 2019-03-31 | High-pressure and automatic-control aviation fuel test bed oil supply system |
Publications (2)
| Publication Number | Publication Date |
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| CN110007702A true CN110007702A (en) | 2019-07-12 |
| CN110007702B CN110007702B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910254652.0A Active CN110007702B (en) | 2019-03-31 | 2019-03-31 | High-pressure and automatic-control aviation fuel test bed oil supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110673663A (en) * | 2019-09-05 | 2020-01-10 | 中国航发北京航科发动机控制系统科技有限公司 | Hydraulic control system and method for testing fuel metering assembly of aircraft engine |
| CN114278634A (en) * | 2021-12-16 | 2022-04-05 | 南京晨光集团有限责任公司 | High-temperature fuel servo flow metering characteristic test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114278634B (en) * | 2021-12-16 | 2024-05-17 | 南京晨光集团有限责任公司 | High-temperature fuel servo flow metering characteristic test system |
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| CN110007702B (en) | 2021-07-06 |
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