CN101930231B - Test device of fuel controller - Google Patents

Test device of fuel controller Download PDF

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Publication number
CN101930231B
CN101930231B CN2010102650487A CN201010265048A CN101930231B CN 101930231 B CN101930231 B CN 101930231B CN 2010102650487 A CN2010102650487 A CN 2010102650487A CN 201010265048 A CN201010265048 A CN 201010265048A CN 101930231 B CN101930231 B CN 101930231B
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China
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test
pressure
valve
pipeline
loop
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Expired - Fee Related
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CN2010102650487A
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CN101930231A (en
Inventor
石建友
万波
叶池旺
李秋菊
周琳
雷建军
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Wuhan Hangda Aero Science & Technology Development Co Ltd
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Wuhan Hangda Aero Science & Technology Development Co Ltd
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Abstract

The invention relates to a test device of a fuel controller and the test device is used to perform the comprehensive performance test and pump running-in and performance test of an aircraft auxiliary power unit (APU) fuel controller. The test device comprises a drive module and a hydraulic module, wherein the drive module contains a drive motor and an adapter connected with the output shaft of the drive motor; the hydraulic module contains a grease loop, a fuel supply loop, an actuator test loop, a back pressure loop, a pressure-measuring loop and a pump running-in and performance test loop, wherein the grease loop is connected with the grease inlet and grease return opening of the adapter; the fuel supply loop is used to provide a hydraulic source for the fuel controller; the actuator test loop is used to test the loading performance of the actuator; the back pressure loop is used to test the loading performance of the oil outlet of the fuel controller; the pressure-measuring loop isused to test the pressure and differential pressure of the fuel controller; and the pump running-in and performance test loop is used to test the running-in and performances of the internal gear pumpof the fuel controller. The test device of the invention meets the test requirements of the performance characteristics of the fuel controller and can test the comprehensive performance and pump running-in and performance of the fuel controller, thus the test device is extremely convenient to use.

Description

Test device of fuel controller
Technical field
The present invention relates to a kind of test unit of fuel controller, be used for all-round property testing, pump break-in and the performance test of fuel controller, the main controller model that is suitable for has PN:441921 (B737-600/700/800/900), PN:441761 (B777), PN:3883240 (A330/A340), PN:3882730 (EMB-120/BAE146/CR-RJ), PN:3882825 (A320/B737/MD80), PN:4503653 (B737) and PN:4500039 (A320/A321).In the bracket is aircraft type
Background technology
Fuel controller is an integrated control device of being made up of filtrator, gear-type pump, safety valve, torque motor, differential pressure regulator, flow control valve and switch electromagnetic valve.Its effect is when APU turns round, and provides the fuel oil of accurate pressure and flow to it, thereby guarantees that APU runs well.
Need qualified after tested can coming into operation before the fuel controller installation, or after it breaks down, need analyzing failure cause, more renew part or repairing after finding out trouble unit, come into operation after qualified after tested again, therefore need a kind of test device of fuel controller that fuel controller is tested, find out the fault of fuel controller fast or do final Acceptance Test.
Summary of the invention
The present invention provides a kind of test unit that meets the fuel controller of fuel controller performance characteristic test request, the combination property that can test fuel controller and pump break-in and performance.
The objective of the invention is to be achieved through the following technical solutions:
Test device of fuel controller comprises driver module and hydraulic module, and described driver module comprises drive motor and the adapter that is connected with the drive motor output shaft; Described hydraulic module comprises with the lubricating oil oil return opening lubricating oil loop that import links to each other with lubricating oil of described adapter, is used for providing to fuel controller pressure measurement loop and the break-in of test fuel controller internal gear pump and the pump break-in and the performance test loop of performance of the fuel feed loop of hydraulic power source, the actuator test loop that is used to test actuator bringing onto load performance, the backpressure circuit that is used to test fuel controller oil-out bringing onto load performance, test fuel controller pressure and pressure reduction.
Further, described lubricating oil loop comprises the lubricating oil oil return opening of the supercharge pump, needle-valve and the adapter that are connected with oil tank by pipeline, be connected with oil filter on the pipeline between supercharge pump and the needle-valve, be connected with ball valve on the branch road of pipeline between oil filter and the needle-valve, ball valve advances by the lubricating oil that pipeline is connected to adapter, on ball valve and the pipeline that the lubricating oil import is connected the 7th pressure transducer is installed.
Further, described fuel feed loop comprises fuel tank, on fuel tank, be connected with centrifugal pump, filtrator, refrigeratory and flowmeter in turn by pipeline, and feed in the fuel feed interface of fuel controller, be connected with safety valve on the pipeline branch pipe between filtrator and the refrigeratory, safety valve feeds in the fuel tank by pipeline.Be connected with pressure-regulating valve on the pipeline branch pipe between refrigeratory and the flowmeter, pressure-regulating valve feeds in the fuel tank by pipeline branch pipe, and first pressure transducer and first temperature sensor are installed on the pipeline between flowmeter and the fuel feed interface.
Further, described actuator test loop comprises the actuator restriction device, the actuator restriction device is by pipeline first differential pressure pickup in parallel, the first differential pressure pickup two ends feed actuator oil-in and actuator oil-out by pipeline, on the pipeline between first differential pressure pickup and the actuator oil-out second pressure transducer are installed.
Above-mentioned actuator restriction device, is composed in parallel with second stop valve of connecting and second throttling valve with after the first throttle valve is connected by first stop valve again.
Further, described backpressure circuit comprises back pressure test interface, throttling valve, flow divider valve and orifice union, back pressure regulating valve and the flowmeter that connects by pipeline successively, on the pipeline between throttling valve and the back pressure test interface three-temperature sensor, the 5th pressure transducer and the 3rd differential pressure pickup are installed, the 6th pressure transducer is installed on the pipeline of described orifice union and back pressure regulating valve, back pressure regulating valve is in parallel with stop valve, and described flowmeter feeds fuel tank by pipeline.
Above-mentioned flow divider valve and orifice union are made up of flow divider valve, first segment head piece and second restriction, one end of flow divider valve is connected with throttling valve, two interfaces of the other end of flow divider valve connect the first segment head piece and second restriction respectively, and the first segment head piece is connected the 6th pressure transducer with second restriction by pipeline.
Further, described pressure measurement loop comprises pressure reduction test port, second differential pressure pickup and the pressure test mouth that links to each other successively by pipeline, on the pipeline branch road between second differential pressure pickup and the pressure test mouth the 4th pressure transducer is installed.
Further, described pump break-in and performance test loop comprise pump break-in and performance test interface, high pressure filter, the 3rd pressure transducer, second temperature sensor, flowmeter and the counterbalance valve that links to each other successively by pipeline, and described counterbalance valve is connected with fuel tank by pipeline.
Above-mentioned motor is that power is that 11 kilowatts, maximum speed are 12000 rev/mins drive motor, and drive motor is given fuel controller by adapter with power transmission.
Adopt the test device of fuel controller of technique scheme to possess following functional advantage:
1, drive motor driven gear pump of the present invention rotation is for test device of fuel controller provides power, the adjustable rotating speed of coupling and turns to;
2, adapter of the present invention is used for drive unit and connects with installation between the fuel controller input shaft, guarantees that power transmission is reliable and stable;
3, fuel feed of the present invention loop provides enough adjustable pressures, the fuel oil of flow to the fuel controller oil-in;
4,, can test the performance index of fuel controller ACT (actuator) pressure governor under load behavior at ACT (actuator) test loop;
5, backpressure circuit is arranged at the fuel controller outlet, but fictitious load loads the performance index of test fuel controller under load behavior;
6, the pressure measurement loop provides test condition for the pressure test and the pressure reduction test of fuel controller;
7, pump break-in and performance test loop provide the pump break-in and the required loop of performance test of fuel controller.
Description of drawings
Fig. 1 is the whole theory diagram of test device of fuel controller;
Fig. 2 is the all-round property testing theory diagram of fuel controller;
Fig. 3 is the pump break-in and the performance test theory diagram of test device of fuel controller;
Fig. 4 is the driving system structure synoptic diagram of test device of fuel controller;
Fig. 5 is the hydraulic schematic diagram of test device of fuel controller;
Among the figure: 1. centrifugal pump; 2. filtrator; 3. safety valve; 4. refrigeratory; 5. pressure-regulating valve; 6. flowmeter; 7. first pressure transducer; 8. first temperature sensor; 9. actuator restriction device; 10. first differential pressure pickup; 11. second pressure transducer; 12. high pressure filter; 13. the 3rd pressure transducer; 14. second temperature sensor; 15. flowmeter; 16. counterbalance valve; 17. the 4th pressure transducer; 18. second differential pressure pickup; 19. three-temperature sensor; 20. the 5th pressure transducer; 21. the 3rd differential pressure pickup; 22. throttling valve; 23. flow divider valve and orifice union; 24. the 6th pressure transducer; 25. stop valve; 26. back pressure regulating valve; 27. flowmeter; 28. supercharge pump; 29. oil filter; 30. needle-valve; 31. ball valve; 32. the 7th pressure transducer; 33. lubricating oil oil return opening; 34. lubricating oil import; 35. actuator oil return opening; 36. actuator oil-in; 37. fuel feed interface; 38. pump break-in and performance test interface; 39. back pressure test interface; 40. pressure reduction test port; 41. pressure test mouth; 42. fuel controller; 43. drive motor; 44. adapter; 45. lubricating oil loop; 46. actuator test loop; 47. backpressure circuit; 48. pressure measurement loop; 49. fuel feed loop; 50. pump break-in and performance test loop; 51. fuel controller; 52. fuel tank; 53. first stop valve; 54. first throttle valve; 55. second stop valve; 56. second throttling valve; 57. oil tank; 58. flow divider valve; 59. first segment head piece; 60. second restriction.
Embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
Consult accompanying drawing as can be known, test device of fuel controller of the present invention mainly divides all-round property testing and pump break-in and performance test two big part of detecting, comprise driver module and hydraulic module, driver module comprises drive motor 43 and the adapter 44 (as shown in Figure 4) that is connected with drive motor 43 output shafts, drive motor 43 is that power is that 11 kilowatts, maximum speed are 12000 rev/mins motor, and drive motor is given fuel controller by adapter with power transmission; Hydraulic module comprises the lubricating oil loop 45 that input end and output terminal link to each other with lubricating oil oil return opening 33 with the lubricating oil import 34 of described adapter 44 respectively, be used for providing the fuel feed loop 49 of hydraulic power source to fuel controller 51, be used to test the actuator test loop 46 of actuator bringing onto load performance, be used to test the backpressure circuit 47 of fuel controller 51 oil-out bringing onto load performances, the break-in of the pressure measurement loop 48 of test fuel controller 51 pressure and pressure reduction and test fuel controller internal gear pump and the pump break-in and the performance test loop 50 of performance.When all-round property testing (as shown in Figure 1); Adopt drive unit, adapter 44, lubricating oil loop 45, fuel feed loop 49, actuator test loop 46, backpressure circuit 47, pressure measurement loop 48 (as shown in Figure 2) then to adopt drive motor 43, adapter 44, lubricating oil loop 45, fuel feed loop 49 and pump break-in and performance test loop 50 (as shown in Figure 3) when it does pump break-in and performance test.
As shown in Figure 5, in the test device of fuel controller hydraulic schematic diagram, lubricating oil loop 45 comprises the lubricating oil import 34 of the supercharge pump 28, ball valve 31 and the adapter 44 that are connected with oil tank 57 by pipeline, be connected with oil filter 29 on the pipeline between supercharge pump 28 and the ball valve 31, be connected with needle-valve 30 on the branch road of pipeline between oil filter 29 and the ball valve 31, needle-valve 30 is connected to oil tank by pipeline.The lubricating oil oil return opening 33 of adapter 44 is connected to oil tank by pipeline.On ball valve 31 and the pipeline that lubricating oil import 34 is connected the 7th pressure transducer 32 is installed.The effect of supercharge pump 28 provides high pressure lubricating oil oil sources, and branch road needle-valve 30 is regulated charge oil pressure, and by pressure transducer 32 its pressure sizes of monitoring, the break-make of ball valve 31 control lubricating oil fuel feeding.
Fuel feed loop 49 comprises fuel tank 52, on fuel tank 52, be connected with centrifugal pump 1 in turn by pipeline, filtrator 2, refrigeratory 4 and flowmeter 6, and feeding fuel controller 52 fuel feed interfaces 37 (this interface is positioned on the fuel controller 51), on the pipeline branch pipe between filtrator 2 and the refrigeratory 4, be connected with safety valve 3, safety valve 3 feeds in the oil tank 57 by pipeline branch pipe, on the pipeline branch pipe between refrigeratory 4 and the flowmeter 6, be connected with pressure-regulating valve 5, pressure-regulating valve 5 feeds in the oil tank 57 by pipeline branch pipe, first pressure transducer 7 and first temperature sensor 8 are installed, for fuel controller 51 tests provide hydraulic power source on the pipeline between flowmeter 6 and the fuel feed interface 37.Fuel oil is by centrifugal pump 1 supercharging output elevated pressures fuel oil in the fuel tank, filtrator 2 and refrigeratory 4 are guaranteed the cleaning of fluid and are kept temperature stabilization, set the opening pressure restriction fuel feeding top pressure of safety valve 3, regulate the charge oil pressure and the flow of bypass pressure-regulating valve 5 control fuel controllers 51.Flowmeter 6, pressure transducer 7 and temperature sensor 8 are monitored fuel supply flow rate, pressure and temperature respectively.
Actuator test loop 46 comprises actuator restriction device 9, actuator restriction device 9 is by pipeline first differential pressure pickup 10 in parallel, first differential pressure pickup, 10 two ends feed actuator oil-out 35 (this oil return opening is positioned on the fuel controller 51) and actuator oil-in 36 (this oil-out is positioned on the fuel controller 51) by pipeline, second pressure transducer 11 is installed on the pipeline between first differential pressure pickup 10 and the actuator oil-in 36, actuator restriction device 9, is composed in parallel with second stop valve 55 of connecting and second throttling valve 56 with after first throttle valve 54 is connected by first stop valve 53 again.Actuator test loop 46 is used to test the performance of ACT actuator working hole under the bringing onto load situation of fuel controller.Its load simulation is realized by restriction device 9, and is monitored ACT actuator oil-in pressure and oil inlet and outlet pressure reduction by pressure transducer 11 and differential pressure pickup 10.
Backpressure circuit 47 comprises the back pressure test interface 39 (this interface is positioned on the fuel controller 51) that connects by pipeline successively, throttling valve 22, flow divider valve and orifice union 23, back pressure regulating valve 26 and flowmeter 27, on the pipeline between throttling valve 22 and the back pressure test interface 39 three-temperature sensor 19 is installed, the 5th pressure transducer 20 and the 3rd differential pressure pickup 21, the 6th pressure transducer 24 is installed on the pipeline of described orifice union 23 and back pressure regulating valve 26, back pressure regulating valve 26 is in parallel with stop valve 25, and described flowmeter 27 feeds fuel tank 52 by pipeline.Flow divider valve and orifice union 23 are made up of flow divider valve 58, first segment head piece 59 and second restriction 60, one end of flow divider valve 58 is connected with throttling valve 22, two interfaces of the other end of flow divider valve 58 connect the first segment head piece 59 and second restriction 60 respectively, and first segment head piece 59 is connected the 6th pressure transducer 24 with second restriction 60 by pipeline.Backpressure circuit 47 simulation fuel controller oil-outs are in the performance test of load behavior.Fuel controller oil-out pressure oil returns fuel tank through throttling valve 22, flow divider valve and orifice union 23, back pressure regulating valve 26 or stop valve 25 and flowmeter 27.By regulating throttling valve 22 control oil-out flows, back pressure regulating valve 26 Control Flow distribution valve and orifice union 23 outlet back pressures, whether the stop valve 25 may command back pressure fuel oils that are connected in parallel with it are by back pressure regulating valve 26 controls, behind stop valve 25 standard-sized sheets, back pressure pressure is reduced to zero and is returned fuel tank by stop valve 25.Temperature sensor 19, pressure transducer 20 are monitored the oily temperature and the oil pressure of oil-out respectively, and pressure transducer 24 and flowmeter 27 are tested back pressure pressure and flow respectively.
Pressure measurement loop 48 comprises pressure reduction test port 40 (this test port is positioned on the fuel controller 51), second differential pressure pickup (18) and the pressure test mouth 41 (this test port is positioned on the fuel controller 51) that links to each other successively by pipeline, the 4th pressure transducer 17 is installed, by pressure transducer 17 and differential pressure pickup 18 gaging pressures and pressure reduction on the pipeline branch road between second differential pressure pickup (18) and the pressure test mouth 41.
Pump break-in and performance test loop 50 comprise pump break-in and performance test interface 38 (this interface is positioned on the fuel controller 51), high pressure filter 12, the 3rd pressure transducer 13, second temperature sensor 14, flowmeter 15 and the counterbalance valve 16 that links to each other successively by pipeline, and counterbalance valve 16 is connected with fuel tank 52 by pipeline.This loop is the hydraulic circuit of the gear-type pump of fuel controller 51 in running in stage and performance test setting specially.The high pressure fuel of gear-type pump output returns fuel tank through high pressure filter 12, flowmeter 15 and counterbalance valve 16 during test, and by counterbalance valve 16 control gear pump output pressures, carries operating mode thereby simulate its band.
During work, all above-mentioned test interfaces are connected to the corresponding test lead of tested fuel controller, the combination property of fuel controller and pump break-in and performance are tested.In the Test Application of reality, the fuel controller that adapts to different model for the test unit of the performance test that makes fuel controller, as model is the fuel controller of PN:441921, PN:441761, PN:3883240, PN:3882730, PN:3882825, PN:4503653 and PN:4500039, by changing the flow divider valve and the orifice union of actuator restriction device and respective model, thereby be applicable to the test of the fuel controller of same kind different model.

Claims (4)

1. test device of fuel controller comprises driver module and hydraulic module, it is characterized in that: described driver module comprises drive motor (43) and the adapter (44) that is connected with drive motor (43) output shaft; Described hydraulic module comprises the lubricating oil loop (45) that links to each other with lubricating oil import (34) with the lubricating oil oil return opening (33) of described adapter (44), be used for providing the fuel feed loop (49) of hydraulic power source to fuel controller (51), be used to test the actuator test loop (46) of actuator bringing onto load performance, be used to test the backpressure circuit (47) of fuel controller oil-out bringing onto load performance, the break-in of the pressure measurement loop (48) of test fuel controller pressure and pressure reduction and test fuel controller internal gear pump and pump break-in and performance test loop (50) of performance; Described lubricating oil loop (45) comprises the lubricating oil oil return opening (33) of the supercharge pump (28), needle-valve (30) and the adapter (44) that are connected with oil tank (57) by pipeline, be connected with oil filter (29) on the pipeline between supercharge pump (28) and the needle-valve (30), be connected with ball valve (31) on the branch road of pipeline between oil filter (29) and the needle-valve (30), ball valve (31) is connected to the lubricating oil import (34) of adapter (44) by pipeline, on ball valve (31) and the pipeline that lubricating oil import (34) is connected the 7th pressure transducer (32) is installed; Described fuel feed loop (49) comprises fuel tank (52), upward be connected with centrifugal pump (1) in turn at fuel tank (52) by pipeline, filtrator (2), refrigeratory (4) and flowmeter (6), and be passed in the fuel feed interface (37) of fuel controller (51), on the pipeline branch pipe between filtrator (2) and the refrigeratory (4), be connected with safety valve (3), safety valve (3) feeds in the fuel tank (52) by pipeline branch pipe, on the pipeline branch pipe between refrigeratory (4) and the flowmeter (6), be connected with pressure-regulating valve (5), pressure-regulating valve (5) feeds in the fuel tank (52) by pipeline branch pipe, and first pressure transducer (7) and first temperature sensor (8) are installed on the pipeline between flowmeter (6) and the fuel feed interface (37); Described actuator test loop (46) comprises actuator restriction device (9), actuator restriction device (9) is by pipeline first differential pressure pickup (10) in parallel, first differential pressure pickup (10) two ends feed actuator oil return opening (35) and actuator oil-out (36) by pipeline, on the pipeline between first differential pressure pickup (10) and the actuator oil-out (36) second pressure transducer (11) are installed; Described backpressure circuit (47) comprises the back pressure test interface (39) that connects by pipeline successively, throttling valve (22), flow divider valve and orifice union (23), back pressure regulating valve (26) and flowmeter (27), on the pipeline between throttling valve (22) and the back pressure test interface (39) three-temperature sensor (19) is installed, the 5th pressure transducer (20) and the 3rd differential pressure pickup (21), the 6th pressure transducer (24) is installed on the pipeline of described orifice union (23) and back pressure regulating valve (26), back pressure regulating valve (26) is in parallel with stop valve (25), and described flowmeter (27) feeds fuel tank (52) by pipeline; Described pressure measurement loop (48) comprises pressure reduction test port (40), second differential pressure pickup (18) and the pressure test mouth (41) that links to each other successively by pipeline, on the pipeline branch road between second differential pressure pickup (18) and the pressure test mouth (41) the 4th pressure transducer (17) is installed; Described pump break-in and performance test loop (50) comprise pump break-in and performance test interface (38), high pressure filter (12), the 3rd pressure transducer (13), second temperature sensor (14), flowmeter (15) and the counterbalance valve (16) that links to each other successively by pipeline, and described counterbalance valve (16) is connected with fuel tank (52) by pipeline.
2. test device of fuel controller according to claim 1, it is characterized in that: described actuator restriction device (9), is composed in parallel with second stop valve (55) of connecting and second throttling valve (56) with after first throttle valve (54) is connected by first stop valve (53) again.
3. test device of fuel controller according to claim 1, it is characterized in that: described flow divider valve and orifice union (23) are made up of flow divider valve (58), first segment head piece (59) and second restriction (60), one end of flow divider valve (58) is connected with throttling valve (22), two interfaces of the other end of flow divider valve (58) connect first segment head piece (59) and second restriction (60) respectively, and first segment head piece (59) is connected the 6th pressure transducer (24) with second restriction (60) by pipeline.
4. according to the described arbitrary test device of fuel controller of claim 1-3, it is characterized in that: described drive motor (43) is that power is that 11 kilowatts, maximum speed are 12000 rev/mins motor.
CN2010102650487A 2010-08-27 2010-08-27 Test device of fuel controller Expired - Fee Related CN101930231B (en)

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CN104931266B (en) * 2015-06-02 2018-07-24 中航飞机股份有限公司西安飞机分公司 A kind of airplane engine fuel oil analog control system and adjusting method
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