Automatic testing system for electrical performance of engine
Through the engine electrical performance automation test system, the processing machine, functional modules and electrical performance testing software are used to solve the automation problem of engine electrical performance testing, and efficient and accurate output of test results is achieved, reducing the uncertainty of manual testing.
Patent Information
- Application Number
- CN202411250548.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2024-12-10
AI Technical Summary
The existing technology has failed to effectively solve the automation of engine electrical performance testing, which has led to traditional manual testing being time-consuming, labor-intensive and error-prone, and high uncertainty in electrical performance testing.
An engine electrical performance automation test system was designed, including processor, functional module, power supply system and test interface, equipped with electrical performance testing software, and automated testing is realized through test task import, process analysis execution and result output modules, which improves testing. fluency and accuracy.
It realizes automation of engine electrical performance testing, reduces the uncertainty of manual testing, improves the comprehensiveness and intelligence of testing, and provides comprehensive feedback on test results.
Smart Images
Figure CN119104815A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of engine electrical performance testing, and in particular to an automatic engine electrical performance testing system. Background Art
[0002] Liquid rocket engines are required to undergo electrical performance tests before entering the factory for assembly, before leaving the factory after assembly, and before the rocket is launched to ensure that the circuit and insulation performance of the engine's supporting electrical system meet the design and launch mission requirements, and that the operation and performance of the electric components meet the launch mission index requirements.
[0003] In the prior art, Chinese patent CN202122244470.0 discloses an automatic cycle test system for micro turbojet engine testing, including an engine, a fuel supply system, a control system and a power supply system. The fuel supply system includes fuel, lubricating oil and an oil pump; the control system includes an electronic control unit, a signal conversion board, a ground auxiliary unit, a computer, a flight control signal receiver and a flight controller; the power supply system includes a power battery and a power supply battery. When a large number of repetitive and complex load spectrum test tests are required to verify the life of engine components or assess the overall performance of the engine, this prior art can be used to compile a test sequence for automatic cycle test, which greatly reduces the workload of testers. For verification tests that require a small number of tests, manual and remote engine tests can be performed through the flight controller, which has the advantages of convenience and rapid response.
[0004] However, the above-mentioned prior art is mainly used for the test run of micro turbojet engines, and realizes the engine ignition, throttle control, parking and other operations through the automatic cycle test system, which focuses more on the actual operation and performance test of the engine, and does not involve the test of the electrical performance of the engine. The traditional engine electrical performance test is connected to the test object through scattered wires, and the corresponding manual test is performed using instruments and meters. The manual test method is time-consuming, labor-intensive and error-prone, and the uncertainty of the engine electrical performance test is high. Summary of the invention
[0005] The present application provides an automated engine electrical performance testing system to solve the problem that the prior art does not involve testing the electrical performance of the engine, the traditional engine electrical performance testing is manual testing, the manual testing method is time-consuming, labor-intensive and error-prone, and the engine electrical performance testing has a high degree of uncertainty.
[0006] On the one hand, the present application provides an engine electrical performance automated testing system, including: a processor, a functional module, a power supply system and a test interface.
[0007] The processor, the functional module, and the test interface are electrically connected or communicatively connected in sequence, the power supply system is electrically connected to the processor and the functional module respectively, and the processor is provided with electrical performance test software.
[0008] The functional module is used to process the test signal generated by the test interface and transmit the test signal to the processor.
[0009] The electrical performance test software is used to import test tasks, analyze and execute test processes, and output test results.
[0010] In a possible implementation, the electrical performance test software includes: a test task import module, a test process parsing and execution module, and a test result output module.
[0011] The test task import module is used to import test tasks.
[0012] The test process parsing and execution module is used to perform test process parsing and execution.
[0013] The test result output module is used to output the test result.
[0014] In a possible implementation, the test task import module includes: a test item import unit, a test process import unit, a system information import unit and a display criterion import unit.
[0015] The test item importing unit is used to import test items and corresponding test entries.
[0016] The test process importing unit is used to import the test process of each test item.
[0017] The system information importing unit is used to import the system information of each test item.
[0018] The display criterion importing unit is used to import the display criterion of each test item.
[0019] In a possible implementation, the test process parsing and executing module includes: a hardware driver encapsulation unit.
[0020] The hardware driver encapsulation unit is used to encapsulate the hardware driver in the form of virtual hardware and provide a fixed adaptation interface.
[0021] In a possible implementation, the test process parsing and executing module further includes: a test process parsing unit, a test process core execution unit and a test data storage unit.
[0022] The test process analysis unit is used to identify the execution order, instruction type and instruction action of each process of the test item to obtain a process analysis result.
[0023] The test process core execution unit is used to call the hardware driver encapsulation unit according to the process analysis result to realize automated testing.
[0024] The test data storage unit is used to save the original test data into the database after the automated test is completed.
[0025] In a possible implementation, the test result output module includes: an algorithm processing unit and a test result storage unit.
[0026] The algorithm processing unit is used to store a plurality of processing algorithms in the form of an algorithm library, and use the processing algorithms to process the original test data to obtain the test results.
[0027] The test result storage unit is used to save the test result in a database.
[0028] In a possible implementation, the test result output module further includes: a display criterion parsing unit, a test result display unit and a test result output unit.
[0029] The display criterion parsing unit is used to identify display criteria of different test items.
[0030] The test result display unit is used to compare and display the test result with the display criterion.
[0031] The test result output unit is used to generate a test report.
[0032] An automatic engine electrical performance test system in this application has the following advantages:
[0033] By integrating the processor, functional modules, power supply system, test interface and electrical performance test software, the automation of engine electrical performance test is achieved, avoiding the uncertainty of manual testing.
[0034] The proposed electrical performance test software includes: a test task import module, a test process parsing and execution module and a test result output module. The test task import module is used to import test tasks, the test process parsing and execution module is used to perform test process parsing and execution, and the test result output module is used to output test results. Through the collaborative work of multi-level software structures, the fluency of engine electrical performance testing is improved.
[0035] The proposed test task import module includes: a test item import unit, a test process import unit, a system information import unit and a display criterion import unit. By importing test items, test items, test processes, system information and display criteria, the comprehensiveness and accuracy of the test task are improved.
[0036] The proposed hardware driver encapsulation unit is used to encapsulate the hardware driver in the form of virtual hardware and provide a fixed adaptation interface so that the system can flexibly adapt to new hardware devices.
[0037] The proposed test process parsing unit is used to identify the execution order, instruction type and instruction action of each process of the test item to obtain the process parsing result. The test process core execution unit is used to call the hardware driver encapsulation unit according to the process parsing result to realize automated testing and improve the intelligence of the test process parsing execution.
[0038] The proposed algorithm processing unit is used to store several processing algorithms in the form of an algorithm library, and the original test data is processed by the processing algorithm to obtain the test results. The test result storage unit is used to save the test results into a database for subsequent analysis and export.
[0039] The proposed display criterion parsing unit is used to identify the display criteria of different test items, the test result display unit is used to compare and display the test result with the display criterion, and the test result output unit is used to generate a test report, providing comprehensive test result feedback. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0041] Figure 1 A schematic diagram of the structure of an engine electrical performance automation test system provided in an embodiment of the present application;
[0042] Figure 2 A schematic diagram of the test object, test items and test items of the electrical performance test task provided in the embodiment of the present application;
[0043] Figure 3 A schematic diagram of the task switching process for an electrical performance test task provided in an embodiment of the present application. DETAILED DESCRIPTION
[0044] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0045] like Figure 1 As shown, an embodiment of the present application provides an engine electrical performance automated testing system, including: a processor, a functional module, a power supply system and a test interface.
[0046] The processor, the functional module, and the test interface are electrically connected or communicatively connected in sequence, the power supply system is electrically connected to the processor and the functional module respectively, and the processor is provided with electrical performance test software.
[0047] The functional module is used to process the test signal generated by the test interface and transmit the test signal to the processor.
[0048] The electrical performance test software is used to import test tasks, analyze and execute test processes, and output test results.
[0049] Specifically, in this embodiment, the processor, the functional module, and the test interface are electrically connected in sequence.
[0050] Exemplarily, the electrical performance test software includes: a test task import module, a test process parsing and execution module, and a test result output module.
[0051] The test task import module is used to import test tasks.
[0052] The test process parsing and execution module is used to perform test process parsing and execution.
[0053] The test result output module is used to output the test result.
[0054] Specifically, in this embodiment, a modular design concept is adopted, and the electrical performance test of different test objects can be implemented by configuring each channel through the electrical performance test software, thereby improving the flexibility and versatility of the electrical performance test.
[0055] Exemplarily, the test task import module includes: a test item import unit, a test process import unit, a system information import unit and a display criterion import unit.
[0056] The test item importing unit is used to import test items and corresponding test entries.
[0057] The test process importing unit is used to import the test process of each test item.
[0058] The system information importing unit is used to import the system information of each test item.
[0059] The display criterion importing unit is used to import the display criterion of each test item.
[0060] Specifically, before conducting the engine electrical performance test, the test task import module is first executed, including the test item import unit, the test process import unit, the system information import unit and the display criterion import unit. The work of each unit of the test task import module is as follows:
[0061] like Figure 2 As shown, the test item importing unit is used to import test items and corresponding test items. In this embodiment, the test items include: corresponding loop, insulation, current curve, and airtightness inspection items when the test object is a valve, corresponding loop and insulation items when the test object is a cable, corresponding zero-position voltage and insulation items when the test object is a sensor, corresponding full-scale items when the test object is a converter, and corresponding winding items when the test object is a motor assembly. Each test item corresponds to a number of test items. In other possible embodiments, the test items and test items can also be set according to actual test requirements.
[0062] Test process import unit: used to import the test process of each test item. According to the requirements of the test object, hardware characteristics, characteristics of the data acquisition board, etc., the test process and process parameters of each test item are imported, and the corresponding test timing is assigned to different test items. First open the input and output channels, then enable the mode signal, then enable the signal source, start the acquisition task, after the acquisition is completed, disable the signal source, disable the mode signal, and finally close the input and output channels. Among them, the "open", "close", "enable", and "disable" actions are all switch signals, and the effective state is related to the hardware.
[0063] System information importing unit: imports the system information of each test item, which includes entering the task code and equipment serial number in this embodiment.
[0064] Display criterion import unit: used to import the display criterion of each test item. Display criterion provides qualified criterion for the display of test results, and is configured if any.
[0065] Exemplarily, the test process parsing and execution module includes: a hardware driver encapsulation unit.
[0066] The hardware driver encapsulation unit is used to encapsulate the hardware driver in the form of virtual hardware and provide a fixed adaptation interface.
[0067] Specifically, the hardware driver encapsulation unit encapsulates the hardware driver in the form of virtual hardware, provides a fixed adaptation interface, and can continuously add new hardware device drivers as needed, so that the system can flexibly adapt to new hardware devices.
[0068] Exemplarily, the test process parsing and execution module further includes: a test process parsing unit, a test process core execution unit and a test data storage unit.
[0069] The test process analysis unit is used to identify the execution order, instruction type and instruction action of each process of the test item to obtain a process analysis result.
[0070] The test process core execution unit is used to call the hardware driver encapsulation unit according to the process analysis result to realize automated testing.
[0071] The test data storage unit is used to save the original test data into the database after the automated test is completed.
[0072] Specifically, the test process parsing unit identifies the execution order, instruction type and instruction action of each process of the test item, and obtains the process parsing result. The instruction type includes switch signal and ADC signal. The parsing result of the switch signal includes the board number, port number, port value and action delay. The parsing result of the ADC signal includes the sampling channel, sampling type, sampling rate, number of sampling points, start-stop control and action delay.
[0073] The core execution unit of the test process calls the hardware driver encapsulation unit according to the process analysis results and the process steps to realize the high or low pull-up of the port bit and the start / stop control of data collection. Delay operations must be performed according to the delay parameters between each process to achieve automated testing.
[0074] After the automated test is completed, the test data storage unit records the original test data (i.e., the original code value data) and uses database technology to save the original test data into the database for problem tracking and analysis and accumulation of the organizational asset library.
[0075] Exemplarily, the test result output module includes: an algorithm processing unit and a test result storage unit.
[0076] The algorithm processing unit is used to store a plurality of processing algorithms in the form of an algorithm library, and use the processing algorithms to process the original test data to obtain the test results.
[0077] The test result storage unit is used to save the test result in a database.
[0078] Specifically, the algorithm library of the algorithm processing unit includes loop resistance measurement algorithm, insulation resistance measurement algorithm, zero voltage measurement algorithm, and electromagnetic valve dynamic characteristic judgment algorithm. The algorithm library can be continuously updated according to the test item characteristics of the newly added test object to flexibly adapt to the test object. The conversion between the original test data and the actual physical quantity is realized through the processing algorithm, and the characteristic parameters of the valve current curve are given.
[0079] The test result storage unit uses database technology to save the test results processed by the algorithm into the database for offline playback of historical test records and data export.
[0080] Exemplarily, the test result output module further includes: a display criterion parsing unit, a test result display unit and a test result output unit.
[0081] The display criterion parsing unit is used to identify display criteria of different test items.
[0082] The test result display unit is used to compare and display the test result with the display criterion.
[0083] The test result output unit is used to generate a test report.
[0084] Specifically, the display criterion parsing unit identifies the display criteria of different test items, that is, the display judgment conditions of different test items.
[0085] The test result display unit compares the test results processed by the algorithm with the display judgment conditions of the display judgment analysis module to confirm whether the test results are normal or qualified. Among them, the test results of the loop test, insulation test, zero voltage test, and full-scale test can be displayed in a table form, and the current curve test of the valve is drawn in a curve form.
[0086] The test result output unit automatically generates a report after each test item is completed. The report consists of a title, a header, a body, and a page number.
[0087] Exemplarily, the test interface adopts a universal design to improve the versatility of the test.
[0088] Exemplarily, during testing, a dedicated test cable and tooling are used to electrically connect the engine test object to the test interface, thereby avoiding the problem of product pin shrinkage or redundant sockets.
[0089] In a possible embodiment, an engine electrical performance automated testing system further includes a printer and a display screen, which are used to print and display the test results, respectively.
[0090] like Figure 3 As shown, in a possible embodiment, the task switching process of the electrical performance test task is as follows:
[0091] Step A: Test task import.
[0092] Step B, determine whether all test objects have completed the test, if so, end, otherwise proceed to the next step.
[0093] Step C, switch the test object.
[0094] Step D, determine whether all test items of the current test object have been tested, if so, return to step B, otherwise proceed to the next step.
[0095] Step E: switch the test item.
[0096] Step F, determine whether all test items of the current test item have been tested, if so, return to step D, otherwise proceed to the next step.
[0097] Step G, switch test items, parse test item flow, output test item results, and return to step F.
[0098] The embodiment of the present application realizes the automation of engine electrical performance testing by integrating a processor, functional modules, a power supply system, a test interface and electrical performance testing software, thereby avoiding the uncertainty of manual testing.
[0099] The proposed electrical performance test software includes: a test task import module, a test process parsing and execution module and a test result output module. The test task import module is used to import test tasks, the test process parsing and execution module is used to perform test process parsing and execution, and the test result output module is used to output test results. Through the collaborative work of multi-level software structures, the fluency of engine electrical performance testing is improved.
[0100] The proposed test task import module includes: a test item import unit, a test process import unit, a system information import unit and a display criterion import unit. By importing test items, test items, test processes, system information and display criteria, the comprehensiveness and accuracy of the test task are improved.
[0101] The proposed hardware driver encapsulation unit is used to encapsulate the hardware driver in the form of virtual hardware and provide a fixed adaptation interface so that the system can flexibly adapt to new hardware devices.
[0102] The proposed test process parsing unit is used to identify the execution order, instruction type and instruction action of each process of the test item to obtain the process parsing result. The test process core execution unit is used to call the hardware driver encapsulation unit according to the process parsing result to realize automated testing and improve the intelligence of the test process parsing execution.
[0103] The proposed algorithm processing unit is used to store several processing algorithms in the form of an algorithm library, and the original test data is processed by the processing algorithm to obtain the test results. The test result storage unit is used to save the test results into a database for subsequent analysis and export.
[0104] The proposed display criterion parsing unit is used to identify the display criteria of different test items, the test result display unit is used to compare and display the test result with the display criterion, and the test result output unit is used to generate a test report, providing comprehensive test result feedback.
[0105] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0106] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.
Claims
1. An automatic test system for engine electrical performance, characterized in that: include: Processor, functional modules, power supply system and test interface; The processor, the functional module, and the test interface are electrically or communicatively connected in sequence, the power supply system is electrically connected to the processor and the functional module respectively, and the processor is provided with electrical performance test software; The functional module is used to process the test signal generated by the test interface and transmit it to the processor; The electrical performance test software is used to import test tasks, analyze and execute test processes, and output test results.
2. The engine electrical performance automatic testing system according to claim 1, characterized in that: The electrical performance test software includes: a test task import module, a test process analysis and execution module and a test result output module; The test task import module is used to import test tasks; The test process parsing and execution module is used to perform test process parsing and execution; The test result output module is used to output the test result.
3. The engine electrical performance automatic testing system according to claim 2, characterized in that: The test task import module includes: a test item import unit, a test process import unit, a system information import unit and a display criterion import unit; The test item importing unit is used to import test items and corresponding test items; The test process importing unit is used to import the test process of each test item; The system information importing unit is used to import the system information of each test item; The display criterion importing unit is used to import the display criterion of each test item.
4. The engine electrical performance automatic test system according to claim 2, characterized in that: The test process parsing execution module includes: a hardware driver encapsulation unit; The hardware driver encapsulation unit is used to encapsulate the hardware driver in the form of virtual hardware and provide a fixed adaptation interface.
5. The engine electrical performance automatic test system according to claim 4, characterized in that: The test process parsing and execution module also includes: a test process parsing unit, a test process core execution unit and a test data storage unit; The test process analysis unit is used to identify the execution order, instruction type and instruction action of each process of the test item and obtain the process analysis result; The test process core execution unit is used to call the hardware driver encapsulation unit according to the process analysis result to realize automated testing; The test data storage unit is used to save the original test data into the database after the automated test is completed.
6. The engine electrical performance automatic test system according to claim 2, characterized in that: The test result output module includes: an algorithm processing unit and a test result storage unit; The algorithm processing unit is used to store several processing algorithms in the form of an algorithm library, and use the processing algorithms to process the original test data to obtain test results; The test result storage unit is used to save the test result in a database.
7. An automatic engine electrical performance test system according to claim 6, characterized in that: The test result output module also includes: a display criterion parsing unit, a test result display unit and a test result output unit; The display criteria parsing unit is used to identify display criteria of different test items; The test result display unit is used to compare and display the test result with the display criterion; The test result output unit is used to generate a test report.