CN109656227A - Fuel delivery simulator and semi physical experimental rig - Google Patents
Fuel delivery simulator and semi physical experimental rig Download PDFInfo
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- CN109656227A CN109656227A CN201710934547.2A CN201710934547A CN109656227A CN 109656227 A CN109656227 A CN 109656227A CN 201710934547 A CN201710934547 A CN 201710934547A CN 109656227 A CN109656227 A CN 109656227A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The present invention relates to semi-physical simulation technical field, in particular to a kind of fuel delivery simulator and semi physical experimental rig.Fuel delivery simulator provided by the present invention, including simulator and regulation device, simulator is used for the set temperature of fuel oil in fuel oil box under simulation calculation difference operating condition, and the actual temperature that regulation device is used to adjust control fuel oil is consistent with set temperature.Under the mating reaction of simulator and regulation device, fuel delivery simulator of the invention can carry out closed-loop control to fuel oil temperature, the variation of fuel oil temperature under different operating conditions is simulated in real time, influence so as to truer simulation fuel oil temperature to subjects function and performance, effectively improves the authenticity of semi-physical simulation.
Description
Technical field
The present invention relates to semi-physical simulation technical field, in particular to a kind of fuel delivery simulator and semi physical
Experimental rig.
Background technique
In aeroengine control system development process, semi-physical simulation is very important control system integration
Test, is the important means that the function and performance of control system are verified and assessed.Aircraft supply engine fuel pump
Fuel oil temperature and charge oil pressure change with the variation of flight environment of vehicle, and the variation of fuel oil temperature and charge oil pressure can fire engine
EFM Electronic Fuel Management has an important influence on.However, existing semi physical experimental rig, usually not simulates true fuel oil temperature,
This causes it that cannot reflect function and performance of the engine under real operating environments, influences the accuracy of test result.
Summary of the invention
A technical problem to be solved by this invention is: improving the authenticity of semi-physical simulation.
In order to solve the above-mentioned technical problem, first aspect present invention provides a kind of fuel delivery simulator comprising
Simulator and regulation device, simulator are used for the set temperature of fuel oil in fuel oil box under simulation calculation difference operating condition, adjust
The actual temperature that control device is used to adjust control fuel oil is consistent with set temperature.
Optionally, regulation device includes temperature-detecting device and temperature-adjusting device, and temperature-detecting device is for detecting reality
Border temperature, temperature-adjusting device are used to that fuel oil to be heated up or be cooled down according to the comparison result of actual temperature and set temperature,
So that actual temperature is consistent with set temperature.
Optionally, temperature-adjusting device includes fuel oil heater and fuel oil cooling device, and fuel oil heater is used for
Actual temperature heats fuel oil when being lower than set temperature, to heat up to fuel oil；Fuel oil cooling device is used in reality
Temperature cools down fuel oil when being higher than set temperature, to cool down to fuel oil.
Optionally, fuel oil heater is used to heat fuel oil when actual temperature is more than Δ T lower than set temperature,
Fuel oil cooling device is used to be higher than when set temperature is more than Δ T in actual temperature and cool down to fuel oil.
Optionally, fuel oil heater includes electric heater；And/or fuel oil cooling device includes refrigeration unit.
Optionally, the connecting pipeline between fuel oil heater and fuel oil box is equipped with the first control valve, the first control
Valve is used to control the on-off of the connecting pipeline of fuel oil heater and fuel oil box；And/or fuel oil cooling device and fuel oil box
Connecting pipeline be equipped with the second control valve, the second control valve is used to control the connecting pipeline of fuel oil cooling device and fuel oil box
On-off.
Optionally, regulation device further includes control device, and control device is for comparing actual temperature and set temperature and root
Fuel oil is heated up or cooled down according to the comparison result of actual temperature and set temperature control temperature-adjusting device.
Optionally, simulator is also used to the setting pressure under simulation calculation difference operating condition in fuel oil box, regulation device
It is also used to adjust the actual pressure in control fuel oil box to be consistent with setting pressure.
Optionally, regulation device includes pressure-detecting device and pressure-regulating device, and pressure-detecting device is for detecting combustion
Actual pressure in fuel tank, pressure-regulating device are used for according to actual pressure and the comparison result of setting pressure to fuel oil box
It is pressurized or is depressured, so that the actual pressure in fuel oil box is consistent with setting pressure.
Optionally, pressure-regulating device tonifying Qi into fuel oil box when actual pressure is lower than setting pressure, to fuel oil
Fuel tank is pressurized；Also, pressure-regulating device is evacuated when actual pressure is higher than setting pressure from fuel oil box, to fuel oil
Fuel tank is depressured.
Optionally, pressure-regulating device includes air accumulator and air pump, the import of air accumulator selectively with fuel oil box and
External environment gas connection, the outlet of air accumulator are connected to the inlet gas of air pump, the outlet of air pump selectively with extraneous ring
Border and fuel oil box gas connection.
Optionally, the import of air accumulator passes through the first branch and second branch and fuel oil box respectively and external environment connects
Logical, the first branch is equipped with the third control valve for controlling first branch on-off, and second branch is equipped with for controlling second
4th control valve of branch on-off；And/or the outlet of air pump passes through third branch and the 4th branch and external environment and combustion respectively
Fuel tank connection, third branch road are equipped with the 5th control valve for controlling third branch on-off, and the 4th road, which is equipped with, to be used for
Control the 6th control valve of the 4th branch on-off.
Optionally, the 4th road is additionally provided with gs-oil separator, and the gas for flowing through the 4th branch is handled through gs-oil separator
After flow to external environment.
Optionally, through the isolated fuel flow returns of gs-oil separator to fuel oil box.
Optionally, the connecting line between the outlet of air accumulator and the entrance of air pump is equipped with the 7th control valve.
Optionally, pressure-regulating device is lower than when setting pressure is more than Δ P in actual pressure to fuel oil box tonifying Qi, and
Actual pressure is higher than when setting pressure is more than Δ P to be evacuated from fuel oil box.
Optionally, the control device of regulation device be also used to compare actual pressure and setting pressure and according to actual pressure with
The comparison result control pressure-regulating device of setting pressure is pressurized or is depressured to fuel oil box.
Second aspect of the present invention additionally provides a kind of semi physical experimental rig comprising dress is simulated in fuel delivery of the invention
It sets.
Fuel delivery simulator of the invention can be to fuel oil under the mating reaction of simulator and regulation device
Temperature carries out closed-loop control, simulates the variation of fuel oil temperature under different operating conditions, in real time so as to truer simulation fuel oil
Influence of the temperature to subjects function and performance, effectively improves the authenticity of semi-physical simulation.
By the way that exemplary embodiment of the present invention is described in detail referring to the drawings, other feature of the invention and
Its advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 shows the schematic illustration of one embodiment of fuel delivery simulator of the present invention.
In figure:
1, fuel oil box；
2, computer；
3, control device；
4, temperature-adjusting device；41, electric heater；42, refrigeration unit；43, the first control valve；44, the second control valve；
5, pressure-regulating device；51, air accumulator；52, air pump；53, gs-oil separator；54, third control valve；55, the 4th
Control valve；56, the 5th control valve；57, the 6th control valve；58, the 7th control valve；
6, to oil supply component.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are in no development creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In the description of the present invention, it is to be understood that, components are limited using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as limiting the scope of the invention.
Fig. 1 shows one embodiment of fuel delivery simulator of the present invention.Referring to Fig.1, combustion provided by the present invention
Oil supply simulator, including simulator and regulation device, simulator are used for fuel oil box 1 under simulation calculation difference operating condition
The set temperature of interior fuel oil, the actual temperature that regulation device is used to adjust control fuel oil are consistent with set temperature.
Fuel delivery simulator of the invention passes through fuel oil under the conditions of simulator real-time simulated animation varying environment
Set temperature, and the actual temperature of fuel oil is automatically adjusted and set temperature is consistent by regulation device in real time, it may be implemented
Closed-loop control to fuel oil temperature simulates the actual change of fuel oil temperature under different operating conditions to subjects function and performance in real time
Influence, effectively improve the authenticity and accuracy of semi-physical simulation.Wherein, subjects can be aero-engine
The a variety of systems for needing to simulate fuel supply operating condition of (such as gas-turbine unit) or automobile engine.
In order to further increase the authenticity and accuracy of semi-physical simulation, in the present invention, fuel delivery simulation
For device on the basis of can carry out closed-loop control to fuel oil temperature, may be arranged as can be to fuel oil box 1 for oil pressure
Power carries out closed-loop control.Wherein, simulator can be further arranged to be also used to fuel oil box 1 under simulation calculation difference operating condition
Interior setting pressure, regulation device are then provided accordingly to be also used to adjust the actual pressure in control fuel oil box 1 and setting
Pressure is consistent.
Based on above scheme, fuel delivery simulator of the invention can not only simulate fuel oil temperature under different operating conditions in real time
The variation of degree can also simulate the variation of charge oil pressure under different operating conditions in real time, make the subjects in semi-physical simulation
Working condition be more nearly true working condition, thus obtain more really and accurately semi-physical simulation as a result, drop
The risk of low complete machine bench test, effectively shortens R&D cycles of subjects, reduces the research and development cost of subjects.
In the present invention, the meaning that actual temperature and set temperature are consistent, can refer to actual temperature and set temperature
It is equal, but consider the complexity of aero-engine working environment, it can also refer to the difference between actual temperature and set temperature
Within the error range, for example, can refer to that the absolute value of the difference of actual temperature and set temperature is less than or equal to Δ T, that is, if will
Actual temperature is calculated as TFB, and set temperature is calculated as TDMD, then as | TDMD-TFBWhen |≤Δ T, it is believed that actual temperature TFBWith
Set temperature TDMDIt is consistent.Δ T can be a lesser positive value.
Similarly, in the present invention, the meaning that actual pressure and setting pressure are consistent, can refer to actual pressure and set
Constant-pressure is equal, can also refer to actual pressure and set pressure between difference within the error range, for example, can refer to reality
The absolute value of the difference of pressure and setting pressure is less than or equal to Δ P, that is, if actual pressure is calculated as PFB, and pressure gauge will be set
For PDMD, then as | PDMD-PFBWhen |≤Δ P, it is believed that actual pressure PFBWith setting pressure PDMDIt is consistent.Δ P can be
One lesser positive value.
The present invention is described further below with reference to embodiment shown in FIG. 1.
As shown in Figure 1, fuel oil box 1 forms recycle oil with to the fluid communication of oil supply component 6 in semi-physical simulation
Road, fuel oil box 1 are to provide fuel oil to oil supply component 6.It is contained with fuel oil in lower half in fuel oil box 1, is above fuel oil
Air.The supply that oil supply component 6 realizes different pressures fuel oil can be treated by the pressure (air pressure) in control fuel oil box 1.
The supply that oil supply component 6 realizes different temperatures fuel oil can be treated by the temperature of fuel oil in control fuel oil box 1.
In this embodiment, fuel delivery simulator is under the mating reaction of simulator and regulation device, Neng Goushi
When closed-loop control, truer simulation actual working environment intermediate fuel oil temperature and fuel feeding are carried out to fuel oil temperature and charge oil pressure
Influence of the pressure to the subjects such as engine control system function and performance.
As shown in Figure 1, the fuel delivery simulator of the embodiment, simulator includes computer 2；Its regulation device
Including control device 3, temperature-detecting device, temperature-adjusting device 4, pressure-detecting device and pressure-regulating device 5.
In this embodiment, set temperature of the computer 2 for fuel oil in fuel oil box 1 under simulation calculation difference operating condition
TDMDAnd the setting pressure P in fuel oil box 1DMD.Operation has mathematical model in the computer 2, is based on mathematical model, computer
The fuel oil temperature and charge oil pressure of required simulation under the conditions of 2 real-time simulated animation varying environments.Also, as shown in Figure 1, the calculating
Machine 2 is electrically connected with control device 3, the fuel oil temperature and charge oil pressure that simulation calculation obtains can be sent to control device 3, is made
For the set temperature T under different operating conditionsDMDWith setting pressure PDMD, in order to realize the closed loop control to fuel oil temperature and charge oil pressure
System.The set temperature T under different operating conditions is obtained based on mathematical model simulation using computer 2DMDWith setting pressure PDMD, emulation essence
It spends higher.
Temperature-detecting device is used to detect the actual temperature T of fuel oil in fuel oil box 1FB.Temperature-detecting device can be temperature
Sensor is spent, is installed on fuel oil box 1, in real time to the actual temperature T of fuel oilFBIt is detected.Also, as shown in Figure 1, should
Temperature-detecting device is electrically connected with control device 3, can be by detected actual temperature TFBIt is sent to control device 3, so as to
In control device 3 to set temperature TDMDWith actual temperature TFBIt is compared, realizes the closed-loop control to fuel oil temperature.
Pressure-detecting device is used to detect the actual pressure P in fuel oil box 1FB.Pressure-detecting device can pass for pressure
Sensor is installed on fuel oil box 1, in real time to the actual pressure P in fuel oil box 1FBIt is detected.Also, such as Fig. 1 institute
Show, the pressure-detecting device of the embodiment is electrically connected with control device 3, can be by detected actual pressure PFBIt is sent to control
Device 3 processed, in order to 3 couples of setting pressure P of control deviceDMDWith actual pressure PFBIt is compared, realizes the closed loop to charge oil pressure
Control.
In this embodiment, control device 3 is used for set temperature TDMDWith actual temperature TFBAnd setting pressure PDMDWith
Actual pressure PFBIt is compared, and temperature-adjusting device 4 and pressure-regulating device 5 is controlled respectively to fuel oil temperature according to comparison result
Degree and charge oil pressure are adjusted, and make actual temperature TFBWith set temperature TDMDAnd actual pressure PFBWith setting pressure PDMDPoint
It is not consistent.As shown in Figure 1, the control device 3 of the embodiment and computer 2, temperature-detecting device and pressure-detecting device
It is electrically connected, the set temperature T that 2 simulation calculation of computer obtains can be receivedDMDWith setting pressure PDMDSignal, while can
Receive the actual temperature T that temperature-detecting device detectsFBThe actual pressure P that signal and pressure-detecting device detectFB
Signal.Also, the control device 3 is electrically connected with temperature-adjusting device 4 and pressure-regulating device 5.Control device 3 is to actual temperature
TFBWith set temperature TDMDAnd actual pressure PFBWith setting pressure PDMDAfter being compared, temperature is controlled according to comparison result
Regulating device 4 and pressure-regulating device 5 work.
Temperature-adjusting device 4 is used for according to actual temperature TFBWith set temperature TDMDComparison result in fuel oil box 1
Fuel oil is heated up or is cooled down, so that the actual temperature T of fuel oilFBWith set temperature TDMDIt is consistent.Wherein, in order to realize pair
The heating of fuel oil, temperature-adjusting device 4 may include fuel oil heater, and fuel oil heater is used in actual temperature TFBIt is lower than
Set temperature TDMDWhen fuel oil is heated, make actual temperature TFBIt can be raised to and set temperature TDMDIt is consistent.Tool
Body, as shown in Figure 1, the fuel oil heater of the embodiment includes electric heater 41, using electric heating transforming principle to fuel oil into
Row heating.And in order to realize the cooling to fuel oil, temperature-adjusting device 4 may include fuel oil cooling device, fuel oil cooling device
For in actual temperature TFBHigher than set temperature TDMDWhen fuel oil is cooled down, make actual temperature TFBIt can be reduced to and set
Determine temperature TDMDIt is consistent.Specifically, as shown in Figure 1, the fuel oil cooling device of the embodiment includes refrigeration unit 42, is utilized
The heat exchanging process of refrigerant and fuel oil realizes the cooling to fuel oil.
Moreover, realizing the control to fuel oil heater and fuel oil cooling device, the temperature tune of the embodiment for convenience
Regulating device 4 further includes the first control valve 43 and the second control valve 44.Wherein, the first control valve 43 be set to fuel oil heater with
On connecting pipeline between fuel oil box 1, the on-off of the connecting pipeline for controlling fuel oil heater and fuel oil box 1.The
Two control valves 44 are set on the connecting pipeline of fuel oil cooling device and fuel oil box 1, for controlling fuel oil cooling device and combustion
The on-off of the connecting pipeline of fuel tank 1.Specifically, as shown in Figure 1, in this embodiment, the setting of the first control valve 43 adds in electricity
On connecting pipeline between the fuel filler and fuel oil box 1 of hot device 41；The combustion of refrigeration unit 42 is arranged in second control valve 44
On connecting pipeline between oil-in and fuel oil box 1.
Based on above-mentioned setting, according to actual temperature TFBWith set temperature TDMDComparison result, utilize control device 3 control
The start and stop of the switch and electric heater 41 and refrigeration unit 42 of first control valve 43 and the second control valve 44, then can control temperature
The degree switching of regulating device 4 ground is heated up and is cooled down to the fuel oil in fuel oil box 1, and the closed loop of fuel oil temperature is accurately controlled in realization
System adjusts fuel oil actual temperature TFBWith set temperature TDMDIt is consistent.Also, electric heating can also be controlled using control device 3
The power of device 41 and refrigeration unit 42 realizes the control to heating efficiency and the efficiency that cools down.
In this embodiment, as | TDMD-TFBWhen |≤Δ T, it is believed that actual temperature TFBWith set temperature TDMDIt is consistent.
Based on this, the process which carries out closed-loop control to fuel oil temperature can carry out as follows:
(1) work as TFB-TDMDWhen > Δ T, control device 3 controls the second control valve 44 opening and the first control valve 43 is closed, and
Start refrigeration unit 42, fuel oil is cooled down by refrigeration unit 42, until | TDMD-TFB|≤ΔT.To | TDMD-TFB|≤ΔT
When, refrigeration unit 42 stops working.
(2) work as TDMD-TFBWhen > Δ T, control device 3 controls the first control valve 43 opening and the second control valve 44 is closed, and
Start electric heater 41, fuel oil is heated by electric heater 41, until | TDMD-TFB|≤ΔT.To | TDMD-TFB|≤ΔT
When, electric heater 41 stops working.
As it can be seen that the embodiment may be implemented under the mating reaction of computer 2, control device 3 and temperature-adjusting device 4
Closed-loop control to the temperature of fuel oil in fuel oil box 1 adjusts the actual temperature T of fuel oil in real timeFBWith set temperature TDMDKeep one
It causes, makes it possible to the temperature condition in semi-physical simulation under more true simulation difference operating condition, obtain more true
Accurate test result.
Pressure-regulating device 5 is used for according to actual pressure PFBWith setting pressure PDMDComparison result to fuel oil box 1 carry out
Pressurization or decompression, so that the actual pressure P in fuel oil box 1FBWith setting pressure PDMDIt is consistent.Wherein, pressure-regulating device
5 in actual pressure PFBLower than setting pressure PDMDWhen the tonifying Qi into fuel oil box 1, to be pressurized to fuel oil box 1；Also, it presses
Apparatus for adjusting force 5 is in actual pressure PFBHigher than setting pressure PDMDWhen from fuel oil box 1 be evacuated, to be dropped to fuel oil box 1
Pressure.In this way, pressure-regulating device 5 can be by carrying out pumping and tonifying Qi to fuel oil box 1, to realize the increasing to fuel oil box 1
Pressure and decompression, adjust actual pressure PFBWith setting pressure PDMDBe consistent, make it possible under more true pressure condition into
Row semi-physical simulation obtains more really and accurately test result.
Specifically, as shown in Figure 1, in this embodiment, pressure-regulating device 5 includes air accumulator 51 and air pump 52, gas storage
The import of tank 51 selectively with fuel oil box 1 and external environment gas connection, the entrance of the outlet of air accumulator 51 and air pump 52
Gas connection, and the outlet of air pump 52 selectively with 1 gas connection of external environment and fuel oil box.Based on this, work as air accumulator
51 import and 1 gas connection of fuel oil box and with the cutting of external environment gas and the outlet of air pump 52 and external environment gas
When being connected to and cutting off with 1 gas of fuel oil box, air pump 52 can drive the gas in fuel oil box 1 to flow out to via air accumulator 1
In external environment, the pumping to fuel oil box 1 is realized, reduce the air pressure in fuel oil box 1, that is, reduce actual pressure PFB；And work as
The import of air accumulator 51 and external environment gas connection are simultaneously oily with the cutting of 1 gas of fuel oil box and the outlet of air pump 52 and fuel oil
1 gas connection of case and with external environment gas cut off when, air pump 52 can drive the gas in external environment via air accumulator 1 flow
Enter in fuel oil box 1, realize the tonifying Qi to fuel oil box 1, increase the air pressure in fuel oil box 1, that is, increases actual pressure PFB。
As it can be seen that air pump 52 provides power for pumping and tonifying Qi process；Air accumulator 51 then plays gas storage buffer function, is advantageously implemented more
Smoothly boosting and pressure reduction.A set of air pump 52 and air accumulator 51 are shared due to boosting and being depressured, pressure is adjusted
5 structure of device is relatively simple compact, and cost is relatively low.
Wherein, for convenience control air accumulator 51 import selectively with fuel oil box 1 and external environment gas connection,
As shown in Figure 1, in this embodiment, the import of air accumulator 51 pass through respectively the first branch and second branch and fuel oil box 1 and
External environment connection, and the first branch is equipped with third control valve 54, third control valve 54 is used to control the on-off of the first branch；
Second branch is equipped with the 4th control valve 55, and the 4th control valve 55 is used to control the on-off of second branch.In this way, control third control
Valve 54 processed is opened and the 4th control valve 55 is closed, then the import of air accumulator 51 and 1 gas connection of fuel oil box and and external environment
Gas cutting, and control the closing of third control valve 54 and the 4th control valve 55 opening, then the import and external environment of air accumulator 51
Gas connection is simultaneously cut off with 1 gas of fuel oil box.The switch of third control valve 54 and the 4th control valve 55 can be by control device 3
Control.
And control for convenience the outlet of air pump 52 selectively with 1 gas connection of external environment and fuel oil box, such as Fig. 1
Shown, in this embodiment, the outlet of air pump 52 passes through third branch and the 4th branch and external environment and fuel oil box 1 respectively
Connection, third branch road are equipped with the 5th control valve 56, and the 5th control valve 56 is used to control the on-off of third branch；4th road
Equipped with the 6th control valve 57, the 6th control valve 57 is used to control the on-off of the 4th branch.In this way, the 5th control valve 56 of control is opened
And the 6th control valve 57 close, then the outlet of air pump 52 be connected to external environment and with the cutting of 1 gas of fuel oil box, and control the
Five control valves 56 are closed and the 6th control valve 57 is opened, then the outlet of air pump 52 and 1 gas connection of fuel oil box and with extraneous ring
The cutting of border gas.The switch of 5th control valve 56 and the 6th control valve 57 can be controlled by control device 3.
Moreover, as shown in Figure 1, in this embodiment, the 4th road is additionally provided with gs-oil separator 53, flowed through for separating
Fuel oil entrained by the gas of 4th branch.Wherein, external environment is flowed out to by the gas that gs-oil separator 53 is handled, and divided
Fuel oil box 1 is then back to from obtained fuel oil.Specifically, the direction of external environment is flowed to via the 4th branch along gas,
Gs-oil separator 53 is located at the downstream of the 5th control valve 56.
The embodiment can make pumped down be discharged outside to the gas of environment in the process by setting fuel separator 53
It is cleaner, reduce the pollution to environment.Also, since isolated fuel oil is returned to fuel oil box 1 by the embodiment, because
This, can also reduce influence of the pumped down process to amount of fuel in fuel oil box 1, advantageously reduce that fuel oil is unnecessary to disappear
Consumption, it is energy saving, reduce cost.
In addition, as shown in Figure 1, in this embodiment, the connecting tube between the outlet of air accumulator 51 and the entrance of air pump 52
Road is equipped with the 7th control valve 58.It can use between the outlet of the 7th control valve 58 control air accumulator 51 and the entrance of air pump 52
Connecting line on-off.
In this embodiment, as | PDMD-PFBWhen |≤Δ P, it is believed that actual pressure PFBWith setting pressure PDMDIt is consistent.
Based on this, the process which carries out closed-loop control to charge oil pressure can carry out as follows:
(1) work as PFB-PDMDWhen > Δ P, control device 3 controls third control valve 54, the 7th control valve 58 and the 5th control valve
56 open, and control the 4th control valve 55 and the closing of the 6th control valve 57, then pressure-regulating device 5 is in boost mode, air pump
After 52 startings, can extract with the fuel-air mixture in the air accumulator 51 of 1 gas connection of fuel oil box, and drive fuel-air mixture
Gs-oil separator 53, isolated fuel flow returns to fuel oil box 1 are flowed through, and processed gas is then discharged to the external world
Environment, so that the air pressure in fuel oil box 1 reduces, until | PDMD-PFB|≤ΔP.In pumping decompression process, control can be passed through
The aperture of third control valve 54 processed, realization more precisely control pressure in fuel oil box 1.
(2) work as PDMD-PFBWhen > Δ P, control device 3 controls the 4th control valve 55, the 7th control valve 58 and the 6th control valve
57 open, and control third control valve 54 and the closing of the 5th control valve 56, then pressure-regulating device 5 is in pressure reducing mode, air pump
After 52 startings, the gas in the air accumulator 51 with external environment gas connection can be extracted, and drive gas flow enters fuel oil box 1
In, increase the air pressure in fuel oil box 1, until | PDMD-PFB|≤ΔP.In tonifying Qi pressurization, control the can be passed through
The aperture of six control valves 57, realization more precisely control pressure in fuel oil box 1.
In summary as can be seen that the fuel delivery simulator of the embodiment, can be calculated in real time based on mathematical model
Fuel oil temperature and charge oil pressure to be simulated are needed under different working conditions, and by regulation device to fuel oil temperature and charge oil pressure
It is automatically adjusted in real time, and uses close-loop control mode in adjustment process, so that being tested during semi-physical simulation
The working condition of object is closer to actual working state, more truly can simulate fuel oil in whole envelope working range
The function and performance of control system improve the authenticity of simulation test, improve the accuracy of ground test result.Also, the implementation
The fuel delivery simulator of example, compact-sized, equipment is simple, and cost is relatively low.
Fuel delivery simulator of the invention is applied in semi physical experimental rig, aero-engine can be controlled
The more true and reliable simulation test of the progress such as system, obtains aeroengine control system and is being closer to live flying ring
Function and performance data in the case of border, realization are more objectively and accurately assessed and are verified to aeroengine control system, have
Effect reduces complete machine bench test risk, shortens the R&D cycle of aeroengine control system, reduces aero-engine control system
The research and development cost of system.So the present invention also provides a kind of semi physical experimental rigs comprising fuel delivery simulation of the invention
Device.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of fuel delivery simulator, which is characterized in that including simulator and regulation device, the simulator is used for
The set temperature of fuel oil box (1) interior fuel oil under simulation calculation difference operating condition, the regulation device control the combustion for adjusting
The actual temperature of oil is consistent with the set temperature.
2. fuel delivery simulator according to claim 1, which is characterized in that the regulation device includes temperature detection
Device and temperature-adjusting device (4), the temperature-detecting device is for detecting the actual temperature, the temperature-adjusting device
(4) for the fuel oil to be heated up or cooled down according to the comparison result of the actual temperature and the set temperature, so that
The actual temperature is consistent with the set temperature.
3. fuel delivery simulator according to claim 2, which is characterized in that the temperature-adjusting device (4) includes
Fuel oil heater and fuel oil cooling device, the fuel oil heater are used to be lower than the set temperature in the actual temperature
When the fuel oil is heated, to heat up to the fuel oil；The fuel oil cooling device is used in the actual temperature
The fuel oil is cooled down when higher than the set temperature, to cool down to the fuel oil.
4. fuel delivery simulator according to claim 3, which is characterized in that the fuel oil heater is used in institute
It states when actual temperature is more than Δ T lower than the set temperature and the fuel oil is heated, the fuel oil cooling device is used for
The actual temperature, which is higher than when the set temperature is more than Δ T, cools down the fuel oil.
5. fuel delivery simulator according to claim 3, which is characterized in that the fuel oil heater includes that electricity adds
Hot device (41)；And/or the fuel oil cooling device includes refrigeration unit (42).
6. fuel delivery simulator according to claim 3, which is characterized in that the fuel oil heater and the combustion
Connecting pipeline between fuel tank (1) is equipped with the first control valve (43), and first control valve (43) is for controlling the combustion
The on-off of oil heating unit and the connecting pipeline of the fuel oil box (1)；And/or the fuel oil cooling device and the fuel oil
The connecting pipeline of fuel tank (1) is equipped with the second control valve (44), and second control valve (44) is cooling for controlling the fuel oil
The on-off of device and the connecting pipeline of the fuel oil box (1).
7. fuel delivery simulator according to claim 2, which is characterized in that the regulation device further includes control dress
It sets (3), the control device (3) is for the actual temperature and the set temperature and according to the actual temperature and institute
The comparison result for stating set temperature controls the temperature-adjusting device (4) and fuel oil is heated up or cooled down.
8. -7 any fuel delivery simulator according to claim 1, which is characterized in that the simulator is also used to
Setting pressure under simulation calculation difference operating condition in fuel oil box (1), the regulation device are also used to adjust the control fuel oil
Actual pressure in fuel tank (1) is consistent with the setting pressure.
9. fuel delivery simulator according to claim 8, which is characterized in that the regulation device includes pressure detecting
Device and pressure-regulating device (5), the pressure-detecting device are used to detect the actual pressure in the fuel oil box (1), institute
Pressure-regulating device (5) are stated to be used for according to the actual pressure and the comparison result of the setting pressure to the fuel oil box
(1) it is pressurized or is depressured, so that the actual pressure in the fuel oil box (1) is consistent with the setting pressure.
10. fuel delivery simulator according to claim 9, which is characterized in that the pressure-regulating device (5) is in institute
The tonifying Qi in the fuel oil box (1) when stating actual pressure lower than the setting pressure, to increase to the fuel oil box (1)
Pressure；Also, the pressure-regulating device (5) is when the actual pressure is higher than the setting pressure from the fuel oil box (1)
Pumping, to be depressured to the fuel oil box (1).
11. fuel delivery simulator according to claim 10, which is characterized in that pressure-regulating device (5) packet
Include air accumulator (51) and air pump (52), the import of the air accumulator (51) selectively with the fuel oil box (1) and extraneous ring
The outlet of border gas connection, the air accumulator (51) is connected to the inlet gas of the air pump (52), and the air pump (52) goes out
Mouth selectively with external environment and the fuel oil box (1) gas connection.
12. fuel delivery simulator according to claim 11, which is characterized in that the import of the air accumulator (51) point
Not Tong Guo the first branch and second branch and the fuel oil box (1) and external environmental communication, the first branch is equipped with use
In the third control valve (54) for controlling the first branch on-off, the second branch is equipped with for controlling the second branch
4th control valve (55) of on-off；And/or the outlet of the air pump (52) passes through third branch and the 4th branch and the external world respectively
Environment is connected to the fuel oil box (1), and the third branch road is equipped with the 5th control for controlling the third branch on-off
Valve (56) processed, the 4th road are equipped with the 6th control valve (57) for controlling the 4th branch on-off.
13. fuel delivery simulator according to claim 12, which is characterized in that the 4th road is additionally provided with oil
Gas separating device (53), the gas for flowing through the 4th branch flow to external environment after the gs-oil separator (53) processing.
14. fuel delivery simulator according to claim 13, which is characterized in that separated through the gs-oil separator (53)
The fuel flow returns arrived are to the fuel oil box (1).
15. fuel delivery simulator according to claim 11, which is characterized in that the outlet of the air accumulator (51) with
Connecting line between the entrance of the air pump (52) is equipped with the 7th control valve (58).
16. fuel delivery simulator according to claim 10, which is characterized in that the pressure-regulating device (5) exists
The actual pressure is lower than when the setting pressure is more than Δ P to the fuel oil box (1) tonifying Qi, and high in the actual pressure
It is evacuated when the setting pressure is more than Δ P from the fuel oil box (1).
17. fuel delivery simulator according to claim 9, which is characterized in that the control device of the regulation device
(3) be also used to actual pressure described in comparison with the setting pressure and according to the actual pressure compared with the setting pressure
As a result it controls the pressure-regulating device (5) fuel oil box (1) is pressurized or is depressured.
18. a kind of semi physical experimental rig, which is characterized in that including the fuel delivery simulation as described in claim 1-17 is any
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710934547.2A CN109656227A (en) | 2017-10-10 | 2017-10-10 | Fuel delivery simulator and semi physical experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710934547.2A CN109656227A (en) | 2017-10-10 | 2017-10-10 | Fuel delivery simulator and semi physical experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109656227A true CN109656227A (en) | 2019-04-19 |
Family
ID=66108683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710934547.2A Pending CN109656227A (en) | 2017-10-10 | 2017-10-10 | Fuel delivery simulator and semi physical experimental rig |
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| Country | Link |
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| CN (1) | CN109656227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433848A (en) * | 2021-06-01 | 2021-09-24 | 中国航空工业集团公司沈阳飞机设计研究所 | Remote measurement and control method and system for airplane secondary energy test |
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| JP2016146033A (en) * | 2015-02-06 | 2016-08-12 | 三菱日立パワーシステムズ株式会社 | Failure prediction electronic device and failure prediction method |
| CN106762310A (en) * | 2017-03-14 | 2017-05-31 | 北京科领动力科技有限公司 | The fuel oil injection experimental system for simulating of continuously adjustable pressure and temperature |
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| US20090318782A1 (en) * | 1998-12-23 | 2009-12-24 | Dennis Sunga Fernandez | Object Condition Sensing |
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Application publication date: 20190419 |