CN205003470U - Analogue means and half physical test ware are supplied with to fuel - Google Patents
Analogue means and half physical test ware are supplied with to fuel Download PDFInfo
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- CN205003470U CN205003470U CN201520723175.5U CN201520723175U CN205003470U CN 205003470 U CN205003470 U CN 205003470U CN 201520723175 U CN201520723175 U CN 201520723175U CN 205003470 U CN205003470 U CN 205003470U
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Abstract
The utility model relates to an analogue means and half physical test ware are supplied with to fuel, fuel supply with analogue means and include: pressure oil tank and control system, pressure oil tank is last be equipped with with evacuation branch road and the malleation air feed branch road of inside air intercommunication, be used for simulating negative pressure fuel feeding mode and malleation fuel feeding mode respectively, control system is used for controlling evacuation branch road and malleation air feed branch road and is providing in the pressure oil tank predetermined atmospheric pressure to make pressure oil tank provide preset pressure's fuel for the fuel testpieces. Analogue means is supplied with to this kind of fuel can carry out the fuel feeding steadily under control system's control to realize supply pressure continuously adjustable, and fuel flow pulsation is little, it can simulate multiple pressure operating mode to supply with analogue means through this fuel to make real system obtain more abundant verification at half physical test bench, and then reduce complete machine bench test's risk.
Description
Technical field
The utility model relates to exerciser technical field, is preferably the semi physical exerciser of aeromotor, particularly relates to a kind of fuel delivery analogue means and semi physical exerciser.
Background technology
Modern aeroengine is controlled to develop into Full Authority Digital Electronic Control (FADEC: full name FullAuthorityDigitalEngineControl) by traditional mechanical-hydraulic, namely in aircraft whole envelope, full powers limit completes the controlling functions of engine body and the task with aircraft collaborative work by electronic controller.It is primarily of compositions such as electronic controller, engine monitoring device, fuel oil parts, activation part, FADEC alternator, sensor and cables.
According to the development flow process of external commercial aviation engine, the integrated verification of control system is followed successively by full digital trigger technique test, Hardware-in-the-loop simu-lation test, semi-physical simulation, complete machine bench test etc.Wherein, semi-physical simulation needs a part for objective system to introduce with physical form, it is after the hardware development completing control system, Software for Design, and after completing Hardware-in-the-loop simu-lation test, to the soft and hardware system integration test that control system is carried out, whether the performance etc. of the function of verification system, performance, interface and critical component satisfies the demands, thus reduces the risk of engine complete machine bench test.
Aeromotor fuel control system semi physical exerciser is with aeromotor FADEC system for research object, and it needs simulated aircraft supercharge pump fuel feeding, provides the fuel feeding of certain flow pressure to engine fuel injection pump.Aircraft, when landing and maneuvering, can produce superpressure phenomenon, meanwhile, when the supercharge pump of aircraft lost efficacy, there will be negative pressure appearance.So aeroengine control system semi physical exerciser should possess normal pressure, negative pressure and superpressure supply capability.
At present, the executive component of domestic semi physical exerciser generally adopts the low-lift pump of large discharge (such as: centrifugal pump) to be extracted out by fuel from fuel tank, and be then sent to subjects import, the method generally adopts fuel-tank outlet pressure closed loop to control.Although centrifugal pump possesses fuel delivery and pressure is steady, contamination of fire-resistant oil is good, part stress is simple, hydraulic radial load is little, the advantage of life-span height and reliable operation, but adopt the highest fuel outlet pressure that can only enablely make of centrifugal pump fuel feeding to arrive about 1Mpa, superpressure and the negative pressure fuel feeding of aeromotor cannot be simulated, and it is comparatively large to there is fuel oil pulsation, cannot the shortcoming of steady fuel feeding.
Utility model content
The purpose of this utility model proposes a kind of fuel delivery analogue means and semi physical exerciser, comparatively stably can simulate the fuel feeding situation of hydraulic pump under various working in real system.
For achieving the above object, the utility model provides a kind of fuel delivery analogue means on the one hand, comprise: pressure oil tank 15 and control system, described pressure oil tank 15 be provided be communicated with inner air vacuumize branch road B and positive pressure ventilation branch road C, the described branch road B and described positive pressure ventilation branch road C that vacuumizes is respectively used to simulation negative pressure fuel feeding pattern and malleation fuel feeding pattern, described control system vacuumizes branch road B and positive pressure ventilation branch road C for providing default air pressure in described pressure oil tank 15 described in controlling, the fuel oil of preset pressure is provided for fuel oil test part 21 to make described pressure oil tank 15.
Further, described in vacuumize branch road B two ends be communicated with ambient atmosphere with the air in described pressure oil tank 15 respectively, described in vacuumize branch road B and be provided with successively from described pressure oil tank 15 for realizing unilaterally connected second retaining valve 5 and vacuum pump 4.
Further, also comprise: tonifying Qi regulates branch road A, described tonifying Qi regulates the two ends of branch road A to be communicated with ambient atmosphere with the air in described pressure oil tank 15 respectively, and described tonifying Qi regulates branch road A to be provided with for regulating the second pressure regulator valve 11 of superfeed pressure and the high-pressure ball valve 12 for break-make branch road, can fill into gas described vacuumizing when branch road B makes the vacuum tightness in described pressure oil tank 15 bigger than normal.
Further, the two ends of positive pressure ventilation branch road C are communicated with gas supply station 1 with the air in described pressure oil tank 15 respectively, described positive pressure ventilation branch road C is provided with for regulating supply gas pressure first pressure regulator valve 2 and for realizing unilaterally connected first retaining valve 3 successively from described gas supply station 1, can in the control Imitating normal pressure fuel feeding pattern of described control system.
Further, described positive pressure ventilation branch road C is also provided with the supercharge pump 22 for increasing gaseous tension, and the oil return circuit of described fuel oil test part 21 is provided with dump pump 17, described supercharge pump 22 and described dump pump 17 match can in the control Imitating superpressure fuel feeding pattern of described control system.
Further, described positive pressure ventilation branch road C is also provided with the first electric Proportion valve 6, can finely tunes the air pressure that described positive pressure ventilation branch road C provides under the control of described control system.
Further, also comprise: venting regulates branch road D, described venting regulates the two ends of branch road D to be communicated with ambient atmosphere with the air in described pressure oil tank 15 respectively, and described venting adjustment branch road D is provided with the second electric Proportion valve 7 for regulating blow off pressure, can release gas under the control of described control system when described positive pressure ventilation branch road C makes the air pressure in described pressure oil tank 15 bigger than normal.
Further, described control system comprises: exerciser equipment management system 10 and driving control unit 14, the pressure signal that described exerciser equipment management system 10 provides for receiving industrial computer 9, the pressure signal of described driving control unit 14 for receiving according to described exerciser equipment management system 10, vacuumizing branch road B and positive pressure ventilation branch road C described in control for providing default air pressure in described pressure oil tank 15, providing the fuel oil of preset pressure to make described pressure oil tank 15 for described fuel oil test part 21.
Further, also comprise: air pressure feedback branch and oil pressure feedback branch, the first pressure transducer 13 and the second pressure transducer 16 is respectively equipped with in air pressure feedback branch and oil pressure feedback branch, described air pressure feedback branch is used for the air pressure in described pressure oil tank 15 to feed back to described driving control unit 14 to carry out FEEDBACK CONTROL, and described oil pressure feedback branch is used for the charge oil pressure of described fuel oil test part 21 to feed back to described driving control unit 14 to carry out FEEDBACK CONTROL.
For achieving the above object, the utility model provides a kind of semi physical exerciser on the other hand, comprises the fuel delivery analogue means described in above-described embodiment.
Further, also comprise: computing machine 8 and industrial computer 9, run in described computing machine 8 and have real-time simulation program, the pressure instruction of setting can be converted into code and be supplied to described industrial computer 9, described industrial computer 9 is for sending to described control system by the described pressure signal calculated.
Based on technique scheme, the fuel delivery analogue means of the utility model embodiment, negative pressure fuel feeding pattern and malleation fuel feeding pattern is simulated by the mode controlled the air pressure in pressure oil tank, stably can carry out fuel feeding under control of the control system, and realize charge oil pressure continuously adjustabe, and fuel flow pulsation is little; Can be simulated multiple pressure working condition by this fuel supply device, be used in semi physical exerciser and real system can be made to be verified more fully on semi physical testing table, and then reduce the risk of complete machine bench test.
When this fuel supply device is preferably used for the semi physical exerciser of aeromotor, the fuel feeding pattern of engine supercharge pump under various working can be in by simulated aircraft, and stably for fuel oil test part provides pressure continuously adjustable fuel oil, thus FADEC system is verified more fully on semi physical testing table, guarantee correctness and the reliability of engine control system, effectively reduce the risk of complete machine test run, finally effectively can shorten the R&D cycle of engine control system, reduce the development cost of control system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural principle schematic diagram of an embodiment of the utility model fuel delivery analogue means.
Description of reference numerals
1-gas supply station; 2-first pressure regulator valve; 3-first retaining valve; 4-vacuum pump; 5-second retaining valve; 6-first electric Proportion valve; 7-second electric Proportion valve; 8-computing machine; 9-industrial computer; 10-exerciser equipment management system; 11-second pressure regulator valve; 12-high-pressure ball valve; 13-first pressure transducer; 14-driving control unit; 15-pressure oil tank; 16-second pressure transducer; 17-dump pump; The thick oil filter of 18-; 19-essential oil is filtered; 20-gas and oil separating plant; 21-fuel oil test part; 22-supercharge pump; A-tonifying Qi regulates branch road; B-vacuumizes branch road; C-positive pressure ventilation branch road; D-venting regulates branch road.
Embodiment
Below describe the utility model in detail.In the following paragraphs, the different aspect of embodiment is defined in more detail.The each side of restriction like this can combine with any other one aspect or many aspects, not may be combined with unless explicitly stated otherwise.Especially, be considered to preferred or favourable any feature and one or morely can be considered to preferred or favourable feature with other.
Terms such as " first ", " second " that occur in the utility model is only for convenience of description, to distinguish the different building blocks with same names, does not represent successively or primary-slave relation.
In description of the present utility model; it will be appreciated that; orientation or the position relationship of the instruction such as term "left", "right", " vertically " and " level " are based on orientation shown in the drawings or position relationship; it is only the utility model for convenience of description; instead of the device of instruction or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Because aircraft is when landing and maneuvering, can produce superpressure phenomenon, and when aircraft supercharge pump lost efficacy, there will be negative pressure appearance, aircraft fuel feeding situation under different operating modes is widely different as can be seen here.And prior art adopts the mode of centrifugal pump fuel feeding can only simulated normal pressure fuel feeding pattern in semi-physical simulation, negative pressure or superpressure fuel feeding pattern cannot be simulated, make test findings truly cannot reflect actual condition, and due to centrifugal pump operationally, fuel oil pulsation can be produced along with impeller periodically rotates, cause fuel feeding stationarity poor.
In order to overcome in prior art the shortcoming simulated fuel feeding and exist, the utility model provides a kind of fuel delivery analogue means, as shown in Figure 1, comprise: pressure oil tank 15 and control system, pressure oil tank 15 be provided be communicated with inner air vacuumize branch road B and positive pressure ventilation branch road C, vacuumize branch road B for simulating negative pressure fuel feeding pattern, positive pressure ventilation branch road C, for simulating malleation fuel feeding pattern, comprises normal pressure fuel feeding pattern and supercharging fuel feeding pattern; In Fuel injection system, control system vacuumizes branch road B and positive pressure ventilation branch road C for providing default air pressure in pressure oil tank 15 for controlling, the fuel oil of preset pressure is provided for fuel oil test part 21 to make pressure oil tank 15, the air pressure herein preset is corresponding with the fuel oil of preset pressure, namely according to the demand of fuel pressure value, just can draw the gaseous tension needed applying in pressure oil tank 15, this gaseous tension just can be used as default air pressure.
It is significant to note that, the negative pressure mentioned in the present embodiment, normal pressure and supercharging there is no strict numerical limits and distinguish, these three kinds of fuel feeding patterns are associated with the actual applying working condition of tested object, in different tested objects, also different to the section definition of each fuel feeding operating mode.If tested object is aeromotor, aeromotor, in practical work process, when aircraft is in landing and maneuvering, can produce superpressure phenomenon, namely needs the fuel oil supplying larger pressure to perform an action; When aircraft smooth flight, only need by normal pressure fuel feeding; When aircraft is in high-altitude flight, and during the inefficacy of aircraft supercharge pump (such as the atmospheric pressure at 9000m place), there will be negative pressure appearance, namely supercharge pump can not normally realize fuel oil supply, at this moment, the defining and state of flight tight association of negative pressure, normal pressure and supercharging operating mode.Thus, supply seasonable at the fuel oil of simulated engine, semi physical exerciser just needs the various states of simulated aircraft supercharge pump fuel feeding.
The fuel delivery analogue means of the utility model embodiment, negative pressure fuel feeding pattern and malleation fuel feeding pattern is simulated by the mode controlled the air pressure in pressure oil tank, stably can carry out fuel feeding under control of the control system, and realize charge oil pressure continuously adjustabe, and fuel flow pulsation is little; Can be simulated multiple pressure working condition by this fuel supply device, be used in semi physical exerciser and real system can be made to be verified more fully on semi physical testing table, and then reduce the risk of complete machine bench test.This fuel delivery analogue means may be used for simulating the occasion that aeromotor or motor car engine etc. need to simulate different fuel oil supply operating mode, the situation that the charge oil pressure that also may be used for simulating hydraulic pump in the hydraulic system of other type changes.
Particularly, in the embodiment shown in the utility model Fig. 1, fuel delivery analogue means provides fuel oil for fuel oil test part 21, its principle realizes different pressures combustion oil supplying by the air pressure in controlled pressure fuel tank 15, the latter half of pressure oil tank 15 fills fuel oil, it is air above fuel oil, four air pressure adjustment branch roads are provided with in the outside with pressure oil tank 15, all with the contact air of pressure oil tank 15, be respectively: tonifying Qi regulates branch road A, vacuumize branch road B, positive pressure ventilation branch road C and venting regulate branch road D, the pressure working condition of wherein simulating as required can regulate branch road A and venting to regulate between branch road D in tonifying Qi by control system and select, needs according to test only can arrange a wherein branch road, or arrange two branch roads to select again at the trial.Vacuumizing branch road B can regulate branch road A to be used in combination with tonifying Qi, venting regulates branch road D can be used in combination with positive pressure ventilation branch road C, be described to the specific implementation form of these four branch roads below, in order to make to understand with those skilled in the art know that the implication in Fig. 1 representated by each bar line, for the transmission of all kinds of control signal and sensor signal, and the connected relation of gas and fluid, adopt multi-form line respectively to represent, see the legend in the upper right corner in Fig. 1.
Wherein, the two ends vacuumizing branch road B are communicated with ambient atmosphere with the air in pressure oil tank 15 respectively, vacuumize branch road B is provided with for realizing unilaterally connected second retaining valve 5 and vacuum pump 4 successively from pressure oil tank 15, the control signal that vacuum pump 4 can send according to control system vacuumizes in pressure oil tank 15, roughly reaches the vacuum tightness needing simulation.
Tonifying Qi regulates the two ends of branch road A to be communicated with ambient atmosphere with the air in pressure oil tank 15 respectively; and tonifying Qi regulates branch road A to be provided with for regulating the second pressure regulator valve 11 of superfeed pressure and the high-pressure ball valve 12 for break-make branch road; appropriate gas can be filled into from the external world when vacuumizing branch road B and making the vacuum tightness in pressure oil tank 15 bigger than normal; object is tried one's best close to the vacuum tightness needing simulation by fine setting to make the vacuum tightness in pressure oil tank 15, also plays the effect of safeguard protection simultaneously.
The two ends of positive pressure ventilation branch road C are communicated with gas supply station 1 with the air in pressure oil tank 15 respectively, positive pressure ventilation branch road C is provided with for regulating supply gas pressure first pressure regulator valve 2 and for realizing unilaterally connected first retaining valve 3 successively from gas supply station 1, can simulated normal pressure fuel feeding pattern under control of the control system.Further, positive pressure ventilation branch road C is also provided with the supercharge pump 22 for increasing gaseous tension, and the oil return circuit of fuel oil test part 21 is provided with dump pump 17, supercharge pump 22 and dump pump 17 match and can simulate superpressure fuel feeding pattern under control of the control system.Preferably, positive pressure ventilation branch road C is also provided with the first electric Proportion valve 6, can finely tunes the air pressure that positive pressure ventilation branch road C provides under control of the control system.In the embodiment shown in fig. 1, positive pressure ventilation branch road C sets gradually the first pressure regulator valve 2 and the first retaining valve 3, supercharge pump 22 and the first electric Proportion valve 6 from gas supply station 1, has the function of simulated normal pressure and superpressure fuel feeding simultaneously.Thus, the materials and structures of pressure oil tank 15 should possess high pressure resistant property.
Venting regulates the two ends of branch road D to be communicated with ambient atmosphere with the air in pressure oil tank 15 respectively; and venting adjustment branch road D is provided with the second electric Proportion valve 7 for regulating blow off pressure; gas can be released under control of the control system when positive pressure ventilation branch road C makes the air pressure in pressure oil tank 15 bigger than normal; object is tried one's best close to the air pressure needing simulation by fine setting to make the air pressure in pressure oil tank 15, also plays the effect of safeguard protection simultaneously.The first electric Proportion valve 6 in this embodiment and the second electric Proportion valve 7 all play the effect of finely tuning supply gas pressure, its control end can the electric signal (such as current signal) that sends of receiving control system, adjusts the latus rectum size of gas circulation.
In addition, pressure oil tank 15 is also provided with fuel feeding branch road, fuel oil in the two ends difference Bonding pressure fuel tank 15 of fuel feeding branch road and fuel oil test part 21, fuel feeding branch road is provided with successively thick oil filter 18, essential oil filter 19 and gas and oil separating plant 20 from pressure oil tank 15, impurity and the less fuel oil of bubble can be provided for fuel oil test part 21.
In the above-described embodiment, major part pump class and valves parts all need to carry out work quantitatively under control of the control system, thus coordinated realizes technical purpose of the present utility model mutually, thus control system is the part of comparatively core in fuel delivery analogue means.In a specific embodiment, control system comprises: exerciser equipment management system 10 and driving control unit 14, the pressure signal that exerciser equipment management system 10 provides for receiving industrial computer 9, the pressure signal of driving control unit 14 for receiving according to exerciser equipment management system 10, controlling to vacuumize branch road B and positive pressure ventilation branch road C for providing default air pressure in pressure oil tank 15, providing the fuel oil of preset pressure to make pressure oil tank 15 for fuel oil test part 21.
And, computing machine 8 and industrial computer 9 can be connected in the front end of exerciser equipment management system 10, connected by Ethernet between computing machine 8 and industrial computer 9 and communicate, connect by industrial bus (such as pci bus) and communicate between industrial computer 9 and exerciser equipment management system 10, connected by rigid line between exerciser equipment management system 3 and driving control unit 14 and communicate.Run in computing machine 8 and have real-time simulation program, the pressure instruction of setting can be converted into code and be supplied to industrial computer 9, industrial computer 9 is for sending to exerciser equipment management system 10 to handle accordingly the pressure signal calculated, signal after process is sent to driving control unit 14 by exerciser equipment management system 10 again, corresponding electric signal is converted into according to the control algolithm of inside after driving control unit 14 receives command signal, to control the first pressure regulator valve 2, vacuum pump 4, first electric Proportion valve 6, second electric Proportion valve 7, second pressure regulator valve 11, the parts such as dump pump 17 or supercharge pump 22.
In order to improve the control accuracy of control system to pressure oil tank 15 internal gas pressure, and then the control accuracy improved charge oil pressure, in another embodiment, see Fig. 1, fuel delivery analogue means also comprises signal feedback branch road, signal feedback branch road comprises air pressure feedback branch and oil pressure feedback branch, the first pressure transducer 13 and the second pressure transducer 16 is respectively equipped with in air pressure feedback branch and oil pressure feedback branch, air pressure feedback branch is used for the air pressure in pressure oil tank 15 to feed back to driving control unit 14 to carry out FEEDBACK CONTROL, oil pressure feedback branch is used for the charge oil pressure of fuel oil test part 21 to feed back to driving control unit 14 to carry out FEEDBACK CONTROL.On-the-spot signals collecting and control signal all adopt fieldbus form to transmit, such as, can adopt the bussing technique based on EtherCAT.
The simulation fueller of the present embodiment adopts and realizes normal fuel injection and superpressure fuel feeding respectively toward the interior mode of inflating and suppress of pressure oil tank 15, vacuum pump 4 is adopted to realize negative pressure fuel feeding, and realize closed-loop control using the forefront pressure of the air pressure in pressure oil tank 15 and fuel oil test part 21 as controlled volume, this embodiment can air pressure more adequately in controlled pressure fuel tank 15, thus provide the fuel oil of pressure stability for fuel oil test part 21, simulate compared with the mode of fuel feeding with adopting centrifugal pump in prior art, fuel oil pulsation is less, is conducive to realizing comparatively accurate simulation process.
Below by based on embodiment corresponding to Fig. 1, illustrate the utility model fuel delivery analogue means and principle is realized, to make know this fuel supply device using method with those skilled in the art know that to three kinds of fuel feeding patterns.
(1) negative pressure fuel feeding pattern: object is for fuel oil test part 21 provides the negative pressure fuel oil meeting testpieces entry condition.When the air pressure in pressure oil tank 15 is too high, driving control unit 14 controls vacuum pump 4 and extracts air in pressure oil tank 15 through the second retaining valve 5 out, make the pressure in pressure oil tank 15 meet the requirements of negative pressure, the air pressure in the pressure oil tank 15 fed back with the first pressure transducer 13 carries out closed loop adjustment; When the air pressure in fuel tank is too low, driving control unit 14 stops vacuum pump 4, because pressure oil tank 15 internal gas pressure is lower than standard atmospheric pressure, the second electronic pressure regulator valve 11 can be controlled in pressure oil tank 15, send into air, carry out closed loop adjustment with the air pressure in the pressure oil tank 15 of gas in the fuel tank of the first pressure transducer 13 feedback.
(2) normal pressure fuel feeding pattern: object be for fuel oil test part 21 typical condition is provided under meet the fuel oil of testpieces entry condition.When the air pressure in pressure oil tank 15 is too low, driving control unit 14 controls the high pressure gas that gas supply station 1 sends here by the first electronic pressure regulator valve 2 and is roughly adjusted to suitable atmospheric pressure value, and supply in pressure oil tank 15, by increasing the air pressure in pressure oil tank 15, with regard to the fuel pressure of adjustable fuel oil test part 21 porch, fuel oil test part 21 inlet pressure now fed back with the second pressure transducer 16 carries out closed loop adjustment; When this place's hypertonia, driving control unit 14 stops the pressure-air sending into gas supply station 1 supply to pressure oil tank 15, because pressure oil tank 15 internal gas pressure is higher than standard atmospheric pressure, the second electric Proportion valve 7 can be controlled the gas in pressure oil tank 15 is released, carry out closed loop adjustment with fuel oil test part 21 inlet pressure that the second pressure transducer 16 feeds back.
(3) superpressure fuel feeding pattern: object is for fuel oil test part 21 provides the superpressure fuel oil meeting testpieces entry condition.Its principle of work and normal pressure fuel feeding Pattern Class seemingly, but when supercharge pump 22 works, dump pump 17 in oil return circuit needs to open, the danger brought to avoid the pressure in pressure oil tank 15 or fuel passage excessive.
In addition, selection for these three kinds of fuel feeding patterns can be realized by the selection of button in exerciser equipment management system 10, also can select setting in the pressure setting interface of computing machine 8, then by industrial computer 9, selection instruction be reached driving control unit 14.
In addition, the utility model additionally provides a kind of semi physical exerciser, comprises the fuel delivery analogue means of above-described embodiment, in practice only need by the fuel delivery analogue means in the various embodiments described above according in corresponding interface access semi physical exerciser.Further, in another embodiment, semi physical exerciser also comprises: computing machine 8 and industrial computer 9, run in computing machine 8 and have real-time simulation program, the pressure instruction of setting can be converted into code and be supplied to industrial computer 9, industrial computer 9 is for sending to control system by the pressure signal calculated.
The semi physical exerciser of this fuel delivery analogue means is adopted to may be used for aircraft or motor car engine, and in other type hydraulic system semi-physical simulation, at the trial a part for objective system is introduced with physical form, it is completing the hardware development of control system, after Software for Design, and after completing Hardware-in-the-loop simu-lation test, to control system carry out soft, hardware system integration test, the function of verification system, performance, whether the performance etc. of interface and critical component satisfies the demands, can Timeliness coverage design in Problems existing, and effectively avoid the risk that exists in the test run of engine complete machine.
Aeromotor fuel control system semi physical exerciser with aeromotor FADEC system for research object, for the static properties of engine control system and the test of dynamic property, the static properties of research and analysis engine control system and dynamic property, the adaptability of research and analysis engine control system when whole envelope operated within range and matching.Therefore the main of semi physical exerciser realizes following functional requirement:
A) the static and dynamic performance test of fuel control system;
The characteristic of fuel delivery test of b) engine start, acceleration and deceleration;
C) the control characteristic test of variable-geometry control gear;
D) simulation is when fuel control system itself fail, the fault handling test of system;
E) simulation is when engine breakdown, the fault handling test of fuel control system.
When this fuel supply device is preferably used for the semi physical exerciser of aeromotor (such as: commercial aviation engine), the fuel feeding pattern of engine supercharge pump under various working can be in by simulated aircraft, and stably for fuel oil test part provides pressure continuously adjustable fuel oil, thus FADEC system is verified more fully on semi physical testing table, guarantee correctness and the reliability of engine control system, effectively reduce the risk of complete machine test run, finally effectively can shorten the R&D cycle of engine control system, reduce the development cost of control system.
Thus, the semi-physical simulation test system of commercial aviation engine control system is requisite in engine control system performance history, correctness and the reliability of engine control system can be guaranteed as far as possible, effectively reduce the risk of complete machine test run, finally effectively can shorten the R&D cycle of engine control system, reduce the development cost of control system.
Above a kind of fuel delivery analogue means provided by the utility model and semi physical exerciser are described in detail.Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (11)
1. a fuel delivery analogue means, it is characterized in that, comprise: pressure oil tank (15) and control system, described pressure oil tank (15) be provided be communicated with inner air vacuumize branch road (B) and positive pressure ventilation branch road (C), described branch road (B) and the described positive pressure ventilation branch road (C) of vacuumizing is respectively used to simulation negative pressure fuel feeding pattern and malleation fuel feeding pattern, described control system is for vacuumizing branch road (B) and positive pressure ventilation branch road (C) described in controlling for providing default air pressure in described pressure oil tank (15), the fuel oil of preset pressure is provided for fuel oil test part (21) to make described pressure oil tank (15).
2. fuel delivery analogue means according to claim 1, it is characterized in that, the described two ends vacuumizing branch road (B) are communicated with ambient atmosphere with the air in described pressure oil tank (15) respectively, described in vacuumize branch road (B) and be provided with successively from described pressure oil tank (15) for realizing unilaterally connected second retaining valve (5) and vacuum pump (4).
3. fuel delivery analogue means according to claim 2, it is characterized in that, also comprise: tonifying Qi regulates branch road (A), described tonifying Qi regulates the two ends of branch road (A) to be communicated with ambient atmosphere with the air in described pressure oil tank (15) respectively, and described tonifying Qi regulates branch road (A) to be provided with for regulating second pressure regulator valve (11) of superfeed pressure and the high-pressure ball valve (12) for break-make branch road, can fill into gas described vacuumizing when branch road (B) makes the vacuum tightness in described pressure oil tank (15) bigger than normal.
4. fuel delivery analogue means according to claim 1, it is characterized in that, the two ends of positive pressure ventilation branch road (C) are communicated with gas supply station (1) with the air in described pressure oil tank (15) respectively, described positive pressure ventilation branch road (C) is provided with for regulating supply gas pressure first pressure regulator valve (2) and for realizing unilaterally connected first retaining valve (3) successively from described gas supply station (1), can in the control Imitating normal pressure fuel feeding pattern of described control system.
5. fuel delivery analogue means according to claim 4, it is characterized in that, described positive pressure ventilation branch road (C) is also provided with the supercharge pump (22) for increasing gaseous tension, and the oil return circuit of described fuel oil test part (21) is provided with dump pump (17), described supercharge pump (22) and described dump pump (17) match can in the control Imitating superpressure fuel feeding pattern of described control system.
6. the fuel delivery analogue means according to claim 4 or 5, it is characterized in that, described positive pressure ventilation branch road (C) is also provided with the first electric Proportion valve (6), can finely tunes the air pressure that described positive pressure ventilation branch road (C) provides under the control of described control system.
7. the fuel delivery analogue means according to claim 4 or 5, it is characterized in that, also comprise: venting regulates branch road (D), described venting regulates the two ends of branch road (D) to be communicated with ambient atmosphere with the air in described pressure oil tank (15) respectively, and described venting adjustment branch road (D) is provided with the second electric Proportion valve (7) for regulating blow off pressure, under the control of described control system, gas can be released when described positive pressure ventilation branch road (C) makes the air pressure in described pressure oil tank (15) bigger than normal.
8. fuel delivery analogue means according to claim 1, it is characterized in that, described control system comprises: exerciser equipment management system (10) and driving control unit (14), the pressure signal that described exerciser equipment management system (10) provides for receiving industrial computer (9), the pressure signal of described driving control unit (14) for receiving according to described exerciser equipment management system (10), branch road (B) and positive pressure ventilation branch road (C) is vacuumized for providing default air pressure in described pressure oil tank (15) described in control, the fuel oil of preset pressure is provided for described fuel oil test part (21) to make described pressure oil tank (15).
9. fuel delivery analogue means according to claim 8, it is characterized in that, also comprise: air pressure feedback branch and oil pressure feedback branch, the first pressure transducer (13) and the second pressure transducer (16) is respectively equipped with in air pressure feedback branch and oil pressure feedback branch, described air pressure feedback branch is used for the air pressure in described pressure oil tank (15) to feed back to described driving control unit (14) to carry out FEEDBACK CONTROL, described oil pressure feedback branch is used for the charge oil pressure of described fuel oil test part (21) to feed back to described driving control unit (14) to carry out FEEDBACK CONTROL.
10. a semi physical exerciser, is characterized in that, comprises the arbitrary described fuel delivery analogue means of claim 1 ~ 9.
11. semi physical exercisers according to claim 10, it is characterized in that, also comprise: computing machine (8) and industrial computer (9), run in described computing machine (8) and have real-time simulation program, the pressure instruction of setting can be converted into code and be supplied to described industrial computer (9), described industrial computer (9) is for sending to described control system by the described pressure signal calculated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520723175.5U CN205003470U (en) | 2015-09-18 | 2015-09-18 | Analogue means and half physical test ware are supplied with to fuel |
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| CN201520723175.5U CN205003470U (en) | 2015-09-18 | 2015-09-18 | Analogue means and half physical test ware are supplied with to fuel |
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| CN205003470U true CN205003470U (en) | 2016-01-27 |
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| CN201520723175.5U Active CN205003470U (en) | 2015-09-18 | 2015-09-18 | Analogue means and half physical test ware are supplied with to fuel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200668A (en) * | 2016-09-12 | 2016-12-07 | 上海航天控制技术研究所 | Outer loop energy resource system and test method thereof for semi-physical simulation |
| CN106837896A (en) * | 2017-04-07 | 2017-06-13 | 北京机械设备研究所 | A kind of hydraulic oil container of simulated high altitude hypobaric |
| CN109656227A (en) * | 2017-10-10 | 2019-04-19 | 中国航发商用航空发动机有限责任公司 | Fuel delivery simulator and semi physical experimental rig |
| CN111927668A (en) * | 2020-09-07 | 2020-11-13 | 思达耐精密机电（常熟）有限公司 | High-pressure fuel oil common rail system and application thereof in plateau environment simulation |
| CN112648538A (en) * | 2020-12-11 | 2021-04-13 | 安徽宝隽机车部件有限公司 | Oil supply pressure adjusting device |
| CN113759863A (en) * | 2020-10-14 | 2021-12-07 | 北京京东乾石科技有限公司 | Method and system for testing aircraft fuel tank pressure control system |
-
2015
- 2015-09-18 CN CN201520723175.5U patent/CN205003470U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200668A (en) * | 2016-09-12 | 2016-12-07 | 上海航天控制技术研究所 | Outer loop energy resource system and test method thereof for semi-physical simulation |
| CN106837896A (en) * | 2017-04-07 | 2017-06-13 | 北京机械设备研究所 | A kind of hydraulic oil container of simulated high altitude hypobaric |
| CN106837896B (en) * | 2017-04-07 | 2018-06-22 | 北京机械设备研究所 | A kind of hydraulic oil container of simulated high altitude hypobaric |
| CN109656227A (en) * | 2017-10-10 | 2019-04-19 | 中国航发商用航空发动机有限责任公司 | Fuel delivery simulator and semi physical experimental rig |
| CN111927668A (en) * | 2020-09-07 | 2020-11-13 | 思达耐精密机电（常熟）有限公司 | High-pressure fuel oil common rail system and application thereof in plateau environment simulation |
| CN113759863A (en) * | 2020-10-14 | 2021-12-07 | 北京京东乾石科技有限公司 | Method and system for testing aircraft fuel tank pressure control system |
| CN113759863B (en) * | 2020-10-14 | 2024-04-16 | 北京京东乾石科技有限公司 | Method and system for testing aircraft fuel tank pressure control system |
| CN112648538A (en) * | 2020-12-11 | 2021-04-13 | 安徽宝隽机车部件有限公司 | Oil supply pressure adjusting device |
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Address after: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee after: China Hangfa commercial aviation engine limited liability company Address before: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee before: AVIC Commercial Aircraft Engine Co.,Ltd. |