An automated simulation test system and test method for ram turbines

Abstract

This invention discloses an automated simulation test system and method for ramjet turbines, including a data acquisition module, a data integration module, a central control module, and an output module. When the data integration module transmits information from the data acquisition module to the central control module, the central control module integrates the electrical control system and the drive system into one unit. It performs automatic test control according to the pre-set corresponding speed, dwell time, acceleration and deceleration time, etc., according to the acceleration simulation cyclic load spectrum. This achieves fully automated and continuous multiple cyclic loading during simulated high-altitude environment and life assessment tests, ensuring control and synchronization accuracy, strengthening the vehicle platform safety protection measures, and improving test safety.

Description

Technical Field

[0001] This invention relates to the field of ground testing technology for engine component test benches, and more specifically, to an automated simulation test system and method for ramjet turbines. Background Technology

[0002] The ramjet turbine test piece is one of the key components of an engine. During the development, improvement and modification of an engine, it is necessary to use a ground engine component test bench to simulate various environmental parameters of the aircraft's flight state, such as altitude, pressure and temperature, in order to obtain the relevant flight parameters of the key component and load it according to a specific loading spectrum, so as to conduct a real and effective test of the key component.

[0003] CN201710389219.9 discloses a turbine blade testing system driven by a compressor. The system includes: a gas generating device for generating gas, comprising a compressor, a compressor motor, and a combustion chamber. The compressor and compressor motor are matched, and the compressor motor drives the gas to supply gas to the combustion chamber. A testing device includes a test turbine connected to the combustion chamber. A power control device includes a power turbine. The test turbine is positioned between the combustion chamber and the power turbine, and both the test turbine and the power turbine are located after and connected to the combustion chamber. The gas generated in the combustion chamber drives the power turbine, and the test turbine rotates under the drive of the power turbine. This patent provides a turbine blade testing system that can simulate real-world environments for testing turbine blades. However, existing ram air turbine life assessment test benches suffer from problems because the electrical control system simulating high-altitude environments and the speed drive system for load assessment are independent and dispersed. Vacuum extraction and loading require manual point-by-point operation, resulting in low automation, limited safety protection measures, unreliable control accuracy, and the inability to complete continuous multiple cyclic loading. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to address the shortcomings of the ram air turbine life assessment test bench system, which is independent, has a low degree of automation, and cannot complete multiple continuous cyclic loading. The present invention provides an automated simulation test system for ram air turbines.

[0005] Another technical problem of the present invention is to provide an automated simulation test method for ram turbines.

[0006] The objective of this invention is achieved through the following technical solution:

[0007] An automated simulation test system for ramjet turbines includes a data acquisition module, a data integration module, a central control module, and an output module;

[0008] The data acquisition module includes an environmental data module and a workpiece data module, which collect environmental parameters and workpiece test parameters and transmit them to the data integration module.

[0009] The data integration module interconnects the various devices in the data acquisition module to achieve sequential control and interlocking control, and transmits the data to the central control module;

[0010] The central control module includes a visualization interface module, a data storage module, an equipment operation monitoring module, a limit value operation module, and a cyclic load spectrum preset value module. After receiving the data start command from the data integration module, the central control module starts the cyclic load spectrum preset value module with the set parameters. The equipment operation monitoring module monitors its status, and the data is displayed by the visualization interface module and stored by the data storage module.

[0011] The output module connects the central control module and the test device, sending the process commands from the central control module to the test device.

[0012] Furthermore, the data acquisition module includes a working sensor or a PLC acquisition device. Preferably, the data acquisition module uses a PLC acquisition device.

[0013] Furthermore, the parameters collected by the environmental data module include vacuum level and temperature, and the parameters collected by the workpiece data module include rotational speed, lubricating oil pressure, lubricating oil temperature, turbine vibration value, motor voltage, and motor current.

[0014] Furthermore, the central control module also includes a program editing module for editing and inputting the degree of experimentation.

[0015] Furthermore, the visualization interface module includes a parameter display area, a status display area, an information display area, and a central working area.

[0016] Furthermore, the intermediate working area includes a process working area, a life loading working area, and an important parameter curve display area.

[0017] Furthermore, the parameters set in the cyclic load spectrum preset module include vacuum degree, rotational speed, acceleration / deceleration time, loading time, and loading cycle.

[0018] Furthermore, the limit value operation module includes setting, modifying, and storing alarm values ​​and parking limit values.

[0019] An automated simulation test method for ram turbines includes the following steps:

[0020] S1. Install the ramjet turbine on the test bench, then connect the corresponding speed, pressure, and temperature sensors, close the vacuum chamber, and ensure that the output and information transmission of the entire system are normal.

[0021] S2. Based on the required simulated flight altitude, input the vacuum level, corresponding rotational speed, dwell time, and acceleration / deceleration time of the test process into the central control module; based on the life assessment requirements, input the load spectrum parameters, loading time, and loading cycle into the central control module; based on the safety test conditions, input the rotational speed stop value, lubricating oil pressure and temperature limit value, vibration alarm value, etc. into the central control module.

[0022] S3. Start the test device. The automation system is in the equipment operation monitoring state. When the central control module receives the loading start command from the data integration module, the cyclic load spectrum preset module is started. The test will be carried out according to the preset load spectrum, loading time and loading cycle.

[0023] Furthermore, if the operator performs manual point-by-point control, they can adjust the start / stop of the frequency converter, the speed input, and the start / stop of the vacuum pump through the data integration module.

[0024] Compared with existing technologies, the beneficial effects are:

[0025] This invention integrates the electrical control system and drive system into one unit. Through variable frequency speed control technology, industrial Ethernet technology, and PID control technology, it realizes equipment start-up, shutdown, speed adjustment, drive motor acceleration and deceleration, stepper motor-driven blade angle control, vacuum pump control, and lubricating oil pump control. Simultaneously, it can automatically control the test according to the preset corresponding speed, dwell time, and acceleration / deceleration time according to the accelerated simulated cyclic load spectrum. This achieves fully automated and continuous multiple cyclic loading during simulated high-altitude environment and life assessment tests, ensuring control and synchronization accuracy, strengthening the vehicle platform safety protection measures, and improving test safety. Attached Figure Description

[0026] Figure 1 This is a diagram of the components of an air turbine life testing rig;

[0027] Among them, 1 is a vacuum pump, 2 is a drive system, 3 is a gearbox, 4 is a turbine test piece, 5 is a vacuum test chamber, 6 is a speed sensor, 7 is a vibration sensor, and 8 is a test system.

[0028] Figure 2 This is a diagram of the architecture of an automated simulation test system for ramjet turbines;

[0029] Figure 3 This is the flowchart of the central control module. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, and back), these directional indications are only used to explain the relative positional relationships and movement of the components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly. If the embodiments of the present invention involve descriptions such as "first" and "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" and "second" may explicitly or implicitly include at least one of those features.

[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0033] Example 1

[0034] like Figure 1 A ram air turbine life testing rig includes a vacuum test chamber 2 connected to a vacuum pump 1. A test specimen mounting base is located within the vacuum test chamber 5, connected to a drive system 2 and a gearbox 3. A turbine is fixed to the mounting base. A vacuum degree sensing device is installed on the inner wall of the vacuum test chamber 5, and a speed sensing device and a vibration sensing device are installed on the turbine test specimen.

[0035] An automated simulation test system for ramjet turbines includes a data acquisition module, a data integration module, a central control module, and an output module;

[0036] The data acquisition module includes an environmental data module and a workpiece data module, which collect environmental parameters and workpiece test parameters and transmit them to the data integration module.

[0037] The data integration module interconnects the various devices in the data acquisition module to achieve sequential control and interlocking control, and transmits the data to the central control module;

[0038] The central control module includes a visualization interface module, a data storage module, an equipment operation monitoring module, a limit value operation module, and a cyclic load spectrum preset value module. After receiving the data start command from the data integration module, the central control module starts the cyclic load spectrum preset value module with the set parameters. The equipment operation monitoring module monitors its status, and the data is displayed by the visualization interface module and stored by the data storage module.

[0039] The output module connects the central control module and the test device, sending the process commands from the central control module to the test device.

[0040] Example 2

[0041] This embodiment provides an automated simulation test system for ramjet turbines, including a data acquisition module, a data integration module, a central control module, and an output module.

[0042] The data acquisition module, including the environmental data module and the workpiece data module, uses a PLC acquisition device to collect environmental parameters in the vacuum test chamber, such as vacuum degree and chamber temperature, as well as workpiece test parameters including rotational speed, lubricating oil pressure, lubricating oil temperature, turbine vibration value, variable frequency motor voltage and variable frequency motor current, and transmits them to the data integration module.

[0043] The data integration module, with Siemens PLC1500 as its core, interconnects the various devices of the data acquisition module to realize sequential control and interlocking control, and transmits the data to the central control module through the switch;

[0044] The central control module includes a visualization interface module, a data storage module, an equipment operation monitoring module, a limit value operation module, and a cyclic load spectrum preset value module. The visualization interface module includes a parameter display area, a status display area, an information display area, and an intermediate working area. The intermediate working area includes a process working area, a life loading working area, and an important parameter curve display area. After receiving the data start command from the data integration module, the central control module activates the cyclic load spectrum preset module, which sets the vacuum degree, speed, acceleration / deceleration time, loading time, and loading cycle parameters. The test runs according to the preset load spectrum parameters, loading time, and loading cycle. The equipment operation monitoring module monitors the inverter's start and stop, speed setting, parameter modification, and the status of speed, vacuum degree, pressure, and vibration during operation. This data is displayed by the visualization interface module and stored by the data storage module. The limit value operation module includes the setting, modification, and storage of alarm values ​​and stopping limits. These can be set before the device starts operating and can trigger alarms during the experiment if conditions exceed normal limits.

[0045] The output module connects the central control module and the test device, sending the process commands from the central control module to the test device. It can perform automatic test control based on the preset value module of the cyclic load spectrum or quickly adjust based on the information modified by the personnel.

[0046] Example 3

[0047] This embodiment provides an automated simulation test system for ramjet turbines, including a data acquisition module, a data integration module, a central control module, and an output module.

[0048] The data acquisition module, including the environmental data module and the workpiece data module, uses a PLC acquisition device to collect environmental parameters in the vacuum test chamber, such as vacuum degree and chamber temperature, as well as workpiece test parameters including rotational speed, lubricating oil pressure, lubricating oil temperature, turbine vibration value, variable frequency motor voltage and variable frequency motor current, and transmits them to the data integration module.

[0049] The data integration module, with Siemens PLC1500 as its core, interconnects the various devices of the data acquisition module to realize sequential control and interlocking control, and transmits the data to the central control module;

[0050] The central control module, installed on the measurement and control computer, includes a visualization interface module, a data storage module, an equipment operation monitoring module, a limit value operation module, a cyclic load spectrum preset value module, and a program editing module. The visualization interface module includes a parameter display area, a status display area, an information display area, and an intermediate working area. The intermediate working area includes a process working area, a life loading working area, and an important parameter curve display area. After receiving the data start command from the data integration module, the central control module activates the cyclic load spectrum preset module, which sets the vacuum degree, speed, acceleration / deceleration time, loading time, and loading cycle parameters. The test runs according to the preset load spectrum parameters, loading time, and loading cycle. The equipment operation monitoring module monitors the inverter's start and stop, speed setting, parameter modification, and the status of speed, vacuum degree, pressure, and vibration during operation. This data is displayed by the visualization interface module and stored by the data storage module. The limit value operation module includes the setting, modification, and storage of alarm values ​​and stopping limits. These can be set before the device starts operating and can trigger alarms during the experiment if conditions exceed normal limits.

[0051] The output module connects the central control module and the test device, sending the process commands from the central control module to the test device. It can perform automatic test control based on the preset value module of the cyclic load spectrum or quickly adjust based on the information modified by the personnel.

[0052] Example 4

[0053] S1. Separate the vacuum test chamber using guide rails, install the ramjet turbine on the test bench, and then connect the corresponding speed, pressure, and temperature sensors.

[0054] S2. Close the vacuum chamber and perform a sealing and oil leak check. Input the vacuum level, corresponding rotation speed, dwell time, acceleration / deceleration time and limit parameters of the test process into the central control module.

[0055] S3. Run the data integration module and the central control module to check if the communication is normal, and whether the data acquisition module and the output module are normal.

[0056] S4. Based on the required simulated flight altitude, input the vacuum level, corresponding rotational speed, dwell time, and acceleration / deceleration time of the test process into the central control module.

[0057] S5. According to the life assessment requirements, input the load spectrum parameters, loading time and loading cycle into the central control module.

[0058] S6. Based on the safety test conditions, input the speed stop value, lubricating oil pressure and temperature limit value, vibration alarm value, etc. into the central control module.

[0059] S7. Start the test device. The automation system is in the equipment operation monitoring state, and the data storage module is in the working state.

[0060] S8. If the operator wants to perform manual point-by-point control, they can directly click on various buttons on the data integration module, such as the start / stop of the frequency converter, speed input, and the start / stop of the vacuum pump.

[0061] 9. When the central control module receives the loading start command from the data integration module, the cyclic load spectrum preset module is activated, and the test will proceed according to the preset load spectrum, loading time, and loading cycle.

[0062] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. An automated simulation test system for ramjet turbines, characterized in that, It includes a data acquisition module, a data integration module, a central control module, and an output module; The data acquisition module includes an environmental data module and a workpiece data module. It collects environmental parameters and workpiece test parameters and transmits them to the data integration module. The environmental data module collects parameters including vacuum level and temperature, while the workpiece data module collects parameters including rotational speed, lubricating oil pressure, lubricating oil temperature, turbine vibration value, motor voltage, and motor current. The data integration module interconnects the various devices in the data acquisition module to achieve sequential control and interlocking control, and transmits the data to the central control module; The central control module includes a visualization interface module, a data storage module, an equipment operation monitoring module, a limit value operation module, and a cyclic load spectrum preset value module. The parameters set in the cyclic load spectrum preset value module include vacuum degree, rotational speed, acceleration and deceleration time, loading time, and loading cycle. After receiving a data start command from the data integration module, the central control module starts the cyclic load spectrum preset value module with set parameters. The equipment operation monitoring module monitors its status, and the data is displayed by the visualization interface module and stored by the data storage module. The output module connects the central control module and the test device, and sends the process commands from the central control module to the test device. The steps include: S1. Install the ramjet turbine on the test bench, then connect the corresponding speed, pressure, and temperature sensors, close the vacuum chamber, and ensure that the output and information transmission of the entire system are normal. S2. Based on the required simulated flight altitude, input the vacuum level, corresponding rotational speed, dwell time, and acceleration / deceleration time of the test process into the central control module; based on the life assessment requirements, input the load spectrum parameters, loading time, and loading cycle into the central control module; based on the safety test conditions, input the rotational speed stop value, lubricating oil pressure and temperature limit value, and vibration alarm value into the central control module. S3. Start the test device. The automation system is in the equipment operation monitoring state. When the central control module receives the loading start command from the data integration module, the cyclic load spectrum preset module is started. The test will be carried out according to the preset load spectrum, loading time and loading cycle.

2. The automated simulation test system for ramjet turbines according to claim 1, characterized in that, The data acquisition module includes a working sensor or a PLC acquisition device.

3. The automated simulation test system for ramjet turbines according to claim 1, characterized in that, The central control module also includes a program editing module for editing and inputting the degree of experimentation.

4. The automated simulation test system for ramjet turbines according to claim 1, characterized in that, The visualization interface module includes a parameter display area, a status display area, an information display area, and a central working area.

5. The automated simulation test system for ramjet turbines according to claim 4, characterized in that, The intermediate working area includes a process working area, a life loading working area, and an important parameter curve display area.

6. The automated simulation test system for ramjet turbines according to claim 1, characterized in that, The limit value operation module includes setting, modifying, and storing alarm values ​​and parking limits.

7. The automated simulation test system for ramjet turbines according to claim 1, characterized in that, If the operator performs manual point-by-point control, the start / stop of the frequency converter, the speed input, and the start / stop of the vacuum pump can be adjusted through the data integration module.

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