Quick switching control system and method for pressure refueling and ground pressure refueling

Abstract

The invention belongs to the field of ground full-size simulation tests of aircraft fuel systems, and particularly relates to an aircraft pressure refueling and ground pressure refueling rapid switching control system and method. The pressure refueling control system and the ground pressure refueling control system share test resources to the maximum extent, the pressure at the inlets of the pressure refueling connector and the ground pressure refueling connector is accurately controlled, the control systems are rapidly switched, the control resources are rapidly and conveniently configured, the test efficiency is greatly improved, and the test resources are saved.

Description

Technical Field

[0001] This application belongs to the field of aircraft pressure refueling and ground pressure refueling tests, and specifically relates to a control system and method for rapid switching between pressure refueling and ground pressure refueling. Background Technology

[0002] In full-scale ground simulation tests of aircraft fuel systems, it is necessary to evaluate the functionality and performance of pressure refueling systems and ground-to-ground pressure refueling systems under different refueling connector inlet pressures. The tests require the pressure refueling control system and the ground-to-ground pressure refueling control system to share test resources to the greatest extent possible, to precisely control the pressure at the inlet of both the pressure refueling connector and the ground-to-ground pressure refueling connector, and to possess the ability to quickly switch control systems and rapidly configure control resources. Summary of the Invention

[0003] To address the aforementioned issues, a rapid switching control system for aircraft pressure refueling and ground-to-air pressure refueling is proposed, comprising:

[0004] The pressure refueling subsystem includes a pressure refueling connector (5), a pressure refueling pressure sensor (8), a pressure refueling manual valve (7), and a regulating valve (13) connected in sequence through pipelines.

[0005] The ground pressure refueling subsystem includes a ground pressure refueling pump (4), a ground refueling valve (3), a pressure refueling connector (5), a ground pressure refueling pressure sensor (10), and a ground pressure refueling manual valve (19) connected in sequence through pipelines.

[0006] The shared control module includes a controller (15), a servo motor (11), an actuator (12), and a flow sensor (9). The flow sensor (9) and the regulating valve (13) are installed on the shared refueling pipeline (20) of the pressure refueling subsystem and the ground pressure refueling subsystem. The controller (15) is communicatively connected to the pressure refueling pressure sensor (8), the ground pressure refueling pressure sensor (10), the flow sensor (9), and the servo motor (11).

[0007] By switching the connection status of the pipeline and operating the corresponding valves, the shared control module can be selectively configured to control the operation of the pressure refueling subsystem or the ground pressure refueling subsystem.

[0008] Preferably, the pressure refueling subsystem further includes a pressure refueling valve (2), which is connected between the aircraft fuel tank (1) and the pressure refueling connector (5) via an aircraft fuel filling / draining pipeline (21).

[0009] Preferably, the ground pressure refueling subsystem further includes a ground pressure refueling connector (18), which is connected between the ground pressure refueling pipeline (6) and the common refueling pipeline (20).

[0010] Preferably, the controller (15) is configured to:

[0011] Receive the measured pressure value from the pressure refueling sensor (8) or the ground pressure refueling sensor (10);

[0012] The measured pressure value is compared and calculated with a preset expected pressure value to generate a control command;

[0013] The control command is sent to the servo motor (11) to drive the actuator (12) to adjust the opening of the regulating valve (13), so that the measured pressure value approaches the desired pressure value.

[0014] An aircraft fuel testing system using the aforementioned aircraft pressure refueling and ground pressure refueling rapid switching control system further includes:

[0015] The aircraft fuel tank (1) and the fuel depot (14) are connected to the pressure refueling connector (5) via the aircraft refueling pipeline (21) and the fuel depot (14) via the common refueling pipeline (20) and the regulating valve (13).

[0016] A method for rapid switching control between aircraft pressure refueling and ground-to-air pressure refueling, based on the aforementioned rapid switching control system for aircraft pressure refueling and ground-to-air pressure refueling, includes a pressure refueling control mode, wherein the pressure refueling control mode includes:

[0017] Configure the pipeline connection to pressure filling mode and open the valve on the pressure filling passage;

[0018] Set the desired pressure value at the inlet of the pressure filler connector (5) in the controller (15);

[0019] The controller (15) receives the measured pressure value detected by the pressure sensor (8) for refueling.

[0020] The controller (15) controls the servo motor (11) to drive the regulating valve (13) to adjust the measured pressure value to reach the desired pressure value.

[0021] Preferably, the pressure refueling control mode specifically includes the following steps:

[0022] Connect the pressure refueling connector (5) to the pressure refueling pipeline (17), and connect the pressure refueling pipeline (17) to the common refueling pipeline (20).

[0023] Open the pressure refueling valve (2) and the pressure refueling manual valve (7), and close the ground pressure refueling manual valve (19).

[0024] The detection value of the pressure sensor (8) in the controller (15) is configured as the actual measured value of the pressure control;

[0025] The desired pressure is input through the controller (15) at the inlet of the oil filling connector (5);

[0026] The controller (15) controls the servo motor (11) to drive the regulating valve (13) to move based on the difference between the measured value and the expected value, and performs closed-loop pressure control.

[0027] Preferably, it also includes a ground pressure refueling control mode, wherein the ground pressure refueling control mode includes:

[0028] Configure the pipeline connection to the ground pressure refueling state and open the valve on the ground pressure refueling passage;

[0029] Set the desired pressure value at the inlet of the ground pressure refueling connector (18) in the controller (15);

[0030] The controller (15) receives the measured pressure value detected by the ground pressure refueling pressure sensor (10);

[0031] The controller (15) controls the servo motor (11) to drive the regulating valve (13) to adjust the measured pressure value to reach the desired pressure value.

[0032] Preferably, the ground pressure refueling control mode specifically includes the following steps:

[0033] Connect the pressure refueling connector (5) to the ground pressure refueling pipeline (6), and connect the ground pressure refueling connector (18) to the common refueling pipeline (20).

[0034] Start the ground pressure refueling pump (4), open the ground refueling valve (3) and the ground pressure refueling manual valve (19), and close the pressure refueling manual valve (7).

[0035] The detection value of the ground pressure refueling pressure sensor (10) is configured in the controller (15) to be the actual measured value of pressure control;

[0036] The desired pressure at the inlet of the ground pressure refueling connector (18) is input via the controller (15);

[0037] The controller (15) controls the servo motor (11) to drive the regulating valve (13) to move based on the difference between the measured value and the expected value, and performs closed-loop pressure control.

[0038] Preferably, the switch from the pressure refueling control mode to the ground pressure refueling control mode is achieved by manually changing the physical connection status of the key pipelines.

[0039] An electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that the processor executes the program to implement the rapid switching control method for aircraft pressure refueling and ground pressure refueling.

[0040] A computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the aforementioned rapid switching control method for aircraft pressure refueling and ground pressure refueling.

[0041] A ground simulation test method for aircraft fuel is provided, which employs the aforementioned rapid switching control system for aircraft pressure refueling and ground pressure refueling to sequentially conduct aircraft pressure refueling tests and ground pressure refueling tests in order to test the performance of the aircraft fuel system under different refueling modes.

[0042] This application requires that the pressure refueling control system and the ground pressure refueling control system share test resources to the greatest extent possible, accurately control the pressure at the inlet of the pressure refueling connector and the ground pressure refueling connector, and have the ability to quickly switch control systems and quickly configure control resources. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of the aircraft pressure refueling and ground pressure refueling rapid switching control system of this application. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, not all, of the embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application. The embodiments of this application will be described in detail below with reference to the accompanying drawings. Figure 1

[0045] The following is in conjunction with the appendix Figure 1 This application will be described in further detail.

[0046] An aircraft pressure refueling control system includes: an aircraft fuel tank 1, a pressure refueling valve 2, a pressure refueling connector 5, a pressure refueling pressure sensor 8, a pressure refueling manual valve 7, a servo motor 11, an actuator 12, a regulating valve 13, a flow sensor 9, an aircraft fuel filling / dumping pipeline 21, a common refueling pipeline 20, a pressure refueling pipeline 17, a fuel depot 14, a controller 15, and electrical cables 16.

[0047] An aircraft ground refueling control system includes: an aircraft fuel tank 1, a ground refueling pump 4, a ground refueling valve 3, a pressure refueling connector 5, a ground refueling pipeline 6, a ground refueling connector 18, a ground refueling pressure sensor 10, a flow sensor 9, a servo motor 11, an actuator 12, a regulating valve 13, a common refueling pipeline 20, an aircraft fuel loading / unloading pipeline 21, a ground refueling manual valve 19, a fuel depot 14, a controller 15, and electrical cables 16.

[0048] Pressure refueling valve 2: Used to open / close the aircraft refueling / discharging line 21 during pressure refueling;

[0049] Ground pressure refueling pump 4: Used to pressurize the fuel in the aircraft fuel tank 1 during ground pressure refueling;

[0050] Ground pressure refueling valve 3: Used to open / close the ground pressure refueling circuit when refueling under ground pressure;

[0051] Pressure refueling connector 5: When refueling under pressure, it is used to connect the aircraft refueling / discharging line 21 to the pressure refueling line 17; when refueling under ground pressure, it is used to connect the aircraft refueling / discharging line 21 to the ground pressure refueling line 6.

[0052] Pressure sensor 8 for refueling: used to detect the inlet pressure of pressure refueling connector 5 in real time, and send the detected value to controller 15 in real time via electrical cable 16;

[0053] Pressure refueling manual valve 7: Used to open / close the oil circuit of the pressure refueling pipeline 17 during pressure refueling;

[0054] Flow sensor 9 is used to detect the flow rate of fuel through the common refueling line 20 in real time;

[0055] Servo motor 11 is used to receive control commands from controller 15 and drive regulating valve 13 to move through actuator 12;

[0056] Ground pressure refueling connector 18: Used to connect the ground pressure refueling line 6 and the common refueling line 20 when refueling with ground pressure;

[0057] Ground pressure refueling pressure sensor 10: used to detect the inlet pressure of ground pressure refueling connector 18 in real time, and send the detected value to controller 15 in real time through electrical cable 16;

[0058] Ground pressure refueling hand valve 19: Used to open / close the ground pressure refueling pipeline 6 oil circuit when refueling with ground pressure;

[0059] Aircraft fuel tank 1 and fuel depot 14: used for storing fuel.

[0060] Controller 15: Used to receive the pressure values ​​transmitted from the pressure refueling sensor 8 and the ground pressure refueling sensor 10, perform control command calculation, and transmit the control commands to the servo motor 11.

[0061] This application also provides a method for rapid switching control between aircraft pressure refueling and ground pressure refueling;

[0062] The pressure filling control steps are as follows:

[0063] Step 1: Disconnect the pressure refueling connector 5 and the pressure refueling line to ground 6, and connect the pressure refueling connector 5 and the pressure refueling line 17.

[0064] Step 2: Disconnect the ground pressure refueling connector 18 and the common refueling line 20, and connect the pressure refueling line 17 and the common refueling line 20.

[0065] Step 3: Open the pressure refueling valve 2 and open the aircraft refueling / discharging line 21;

[0066] Step 4: Close the ground pressure refueling hand valve 19, open the pressure refueling hand valve 7, and open the oil circuit of the pressure refueling pipeline 17;

[0067] Step 5: Configure the pressure sensor 8 in the controller 15 to detect the actual pressure control value.

[0068] Step 6: Input the desired pressure at the inlet of the pressure filler connector 5 via controller 15;

[0069] Step 7: The controller 15 receives the detected pressure from the pressure sensor 8 in real time.

[0070] Step 8: Controller 15 calculates the pressure control command;

[0071] Step 9: Controller 15 transmits control commands to servo motor 11;

[0072] Step 10: Servo motor 11 drives regulating valve 13 to move through actuator 12;

[0073] Step 11: Repeat steps 6 to 9 until the pressure sensor 8 detects the same value as the expected value.

[0074] Step 12: After the pressure filling is completed, close the pressure filling manual valve 7 and the pressure filling valve 2.

[0075] The steps for controlling the refueling of the ground pressure are as follows:

[0076] Step 1: Disconnect the pressure refueling connector 5 and the pressure refueling line 17, and connect the pressure refueling connector 5 and the ground-connected pressure refueling line 6.

[0077] Step 2: Disconnect the pressure refueling line 17 and the common refueling line 20, and connect the ground pressure refueling connector 18 and the common refueling line 20.

[0078] Step 3: Turn on the ground pressure refueling pump 4;

[0079] Step 4: Open ground refueling valve 3 and open aircraft refueling / discharging line 21;

[0080] Step 5: Close the pressure refueling manual valve 7, open the ground pressure refueling manual valve 19, and open the ground pressure refueling pipeline 6.

[0081] Step 6: Configure the ground pressure refueling pressure sensor 10 in the controller 15 to detect the actual pressure control value.

[0082] Step 7: Input the desired pressure at the inlet of the ground pressure refueling connector 18 through the controller 15;

[0083] Step 8: The controller 15 receives the detected pressure from the ground pressure refueling pressure sensor 10 in real time;

[0084] Step 9: Controller 15 calculates the pressure control command;

[0085] Step 10: Controller 15 transmits control commands to servo motor 11;

[0086] Step 11: Servo motor 11 drives regulating valve 13 to move through actuator 12;

[0087] Step 12: Repeat steps 8 to 11 until the detected value of the ground pressure refueling pressure sensor 10 is equal to the expected value;

[0088] Step 13: After the ground pressure refueling is completed, close the ground pressure refueling manual valve 19 and the ground refueling valve 3.

[0089] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An aircraft pressure refueling and pressure-to-ground refueling quick switch control system, characterized in that, The system comprises: a pressure refueling subsystem comprising a pressure refueling connector (5), a pressure refueling pressure sensor (8), a pressure refueling hand valve (7) and a regulating valve (13) connected in sequence through pipelines; an against-ground pressure refueling subsystem comprising an against-ground pressure refueling pump (4), an against-ground refueling valve (3), the pressure refueling connector (5), an against-ground pressure refueling pressure sensor (10) and an against-ground pressure refueling hand valve (19) connected in sequence through pipelines; a common control module comprising a controller (15), a servo motor (11), an actuator (12) and a flow sensor (9), the flow sensor (9) and the regulating valve (13) being arranged on a common refueling pipeline (20) of the pressure refueling subsystem and the against-ground pressure refueling subsystem, the controller (15) being communicatively connected with the pressure refueling pressure sensor (8), the against-ground pressure refueling pressure sensor (10), the flow sensor (9) and the servo motor (11); wherein the common control module can be selectively configured to control the pressure refueling subsystem or the against-ground pressure refueling subsystem to work by switching the connection state of the pipelines and operating the corresponding valves.

2. The aircraft pressure refueling to ground pressure refueling quick switch control system of claim 1, wherein, The pressure refueling subsystem further comprises a pressure refueling valve (2) connected between an aircraft fuel tank (1) and the pressure refueling connector (5) through an aircraft refueling pipeline (21).

3. The aircraft pressure refueling to ground pressure refueling quick switch control system of claim 1, wherein, The against-ground pressure refueling subsystem further comprises an against-ground pressure refueling connector (18) connected between the against-ground pressure refueling pipeline (6) and the common refueling pipeline (20).

4. The aircraft pressure refueling to ground pressure refueling quick switch control system of claim 1, wherein, The controller (15) is configured to: receive a measured pressure value from the pressure refueling pressure sensor (8) or the against-ground pressure refueling pressure sensor (10); compare and calculate the measured pressure value with a preset expected pressure value to generate a control instruction; send the control instruction to the servo motor (11) to drive the actuator (12) to adjust the opening degree of the regulating valve (13), so that the measured pressure value approaches the expected pressure value.

5. An aircraft fuel testing system using the rapid switching control system of ground pressure refueling and aircraft pressure refueling of any one of claims 1 to 4, characterized in that, The system further comprises: an aircraft fuel tank (1) connected with the pressure refueling connector (5) through the aircraft refueling pipeline (21), and a fuel depot (14) connected with the regulating valve (13) through the common refueling pipeline (20).

6. A method of fast switching control of aircraft pressure refueling and ground pressure refueling, based on the fast switching control system of aircraft pressure refueling and ground pressure refueling according to any one of claims 1 to 4, characterized in that, The system comprises a pressure refueling control mode, which comprises: configuring the pipeline connection to a pressure refueling state and opening the valves on the pressure refueling pipeline; setting an expected pressure value at the inlet of the pressure refueling connector (5) in the controller (15); receiving a measured pressure value detected by the pressure refueling pressure sensor (8) through the controller (15); controlling the servo motor (11) to drive the regulating valve (13) to adjust the measured pressure value to reach the expected pressure value through the controller (15).

7. The method of claim 6, wherein, The pressure refueling control mode specifically comprises the steps of: The pressure refueling connector (5) is connected with the pressure refueling pipeline (17), and the pressure refueling pipeline (17) is connected with the common refueling pipeline (20); The pressure refueling valve (2) and the pressure refueling hand valve (7) are opened, and the ground pressure refueling hand valve (19) is closed; In the controller (15), the detection value of the pressure refueling pressure sensor (8) is configured as a pressure control measured value; The expected pressure at the inlet of the pressure refueling connector (5) is input through the controller (15); The controller (15) controls the servo motor (11) to drive the regulating valve (13) to move according to the difference between the measured value and the expected value, to perform closed-loop pressure control.

8. The method for fast switching control of aircraft pressure refueling and pressure refueling against ground according to claim 6 or 7, characterized in that, The ground pressure refueling control mode includes: The pipeline connection is configured to be in a ground pressure refueling state, and the valve on the ground pressure refueling passage is opened; In the controller (15), the expected pressure value at the inlet of the ground pressure refueling connector (18) is set; The measured pressure value detected by the ground pressure refueling pressure sensor (10) is received by the controller (15); The controller (15) controls the servo motor (11) to drive the regulating valve (13) to adjust the measured pressure value to reach the expected pressure value.

9. The method of claim 8, wherein, The ground pressure refueling control mode specifically includes the following steps: The pressure refueling connector (5) is connected with the ground pressure refueling pipeline (6), and the ground pressure refueling connector (18) is connected with the common refueling pipeline (20); The ground pressure refueling pump (4) is started, the ground refueling valve (3) and the ground pressure refueling hand valve (19) are opened, and the pressure refueling hand valve (7) is closed; In the controller (15), the detection value of the ground pressure refueling pressure sensor (10) is configured as a pressure control measured value; The expected pressure at the inlet of the ground pressure refueling connector (18) is input through the controller (15); The controller (15) controls the servo motor (11) to drive the regulating valve (13) to move according to the difference between the measured value and the expected value, to perform closed-loop pressure control.

10. The method of claim 8, wherein, Switching from the pressure refueling control mode to the ground pressure refueling control mode, or vice versa, is achieved by manually changing the physical connection state of the key pipeline.

11. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The processor executes the program to implement the aircraft pressure refueling and ground pressure refueling quick switching control method of any one of claims 6 to 10.

12. A computer readable storage medium having stored thereon a computer program, characterized in that, The program is executed by the processor to implement the aircraft pressure refueling and ground pressure refueling quick switching control method of any one of claims 6 to 10.

13. A method of ground simulation testing of aircraft fuel, characterised in that, The aircraft pressure refueling and ground pressure refueling quick switching control system of any one of claims 1 to 4 is used to sequentially perform aircraft pressure refueling tests and ground pressure refueling tests to test the performance of the aircraft fuel system under different refueling modes.

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