Aviation basic maintenance skills training system

Abstract

The present invention relates to a basic maintenance skills training system for aviation maintenance personnel, including subsystems and a training management module for tool use training, fastening and safety training, component disassembly and assembly training, electrical welding and crimping training, circuit measurement training, electrical connector training, binding, wrapping and sorting training, support equipment use training, component cleaning and lubrication training, and marking and marking training. The training management module includes student management, test question management, test paper management, test result management submodules, as well as an equipment management submodule and a training media resource management submodule. The present invention provides a variety of theoretical training for aviation maintenance personnel, allowing trainees to refer to the corresponding maintenance training hardware modules or conduct actual maintenance operation exercises while receiving theoretical training, thereby comprehensively improving the training effect and efficiency of maintenance training.

Description

Technical Field

[0001] The invention belongs to the field of aviation maintenance training, and in particular relates to a basic maintenance skills training system for aviation maintenance. Background Art

[0002] Basic maintenance skills training for aviation maintenance personnel typically covers tool use, assembly and disassembly, fastening and securing, lashing and tidying, electrical connectors, electrical welding, support equipment use, component cleaning and lubrication, and marking and marking. Training for different types of maintenance personnel relies on independent hardware and software facilities. Each type of training facility has a single function, a low level of integration, and is bulky and cumbersome, hindering centralized training for maintenance personnel.

[0003] There is currently a lack of computer training, test question training and examination evaluation systems for different types of aviation maintenance personnel. Summary of the Invention

[0004] The purpose of the present invention is to address the above-mentioned problems and provide an aviation maintenance basic maintenance skills training system, establish a variety of aviation maintenance theory training, test training and examination evaluation subsystems, and can be used to conduct training in accordance with modular, miniaturized, and highly integrated aviation maintenance skills practical training devices, thereby improving the training effect and efficiency of maintenance training; rapidly improving the maintenance skills level of maintenance personnel in a relatively short period of time, and shortening the training cycle.

[0005] The technical solution of the present invention is a basic aviation maintenance skills training system, which uses multimedia resources to provide trainees with learning and training on various aspects of aviation maintenance knowledge and skills. The system includes tool use training, fastening and insurance training, machine disassembly and assembly training, electrical welding and crimping training, circuit measurement training, electrical connector training, binding, wrapping and sorting training, machine cleaning and lubrication training, and marking and marking training subsystems.

[0006] The tool usage training subsystem provides training on the identification and usage of aviation maintenance tools, as well as the tool borrowing and returning procedures.

[0007] The fastening and insurance training subsystem provides knowledge training on fasteners, mechanical anti-loosening insurance, friction stop insurance, permanent stop insurance, as well as training on fastening and insurance operation processes.

[0008] The component disassembly and assembly training subsystem provides training on aviation component structure, identification, damage causes and preventive maintenance measures.

[0009] The tightness inspection training subsystem provides theoretical training on pipeline application and pipeline tightness inspection operation process, as well as practical training on pipeline group tightness testing and pipeline leakage point detection.

[0010] The electrical soldering and crimping training subsystem provides theoretical training on soldering and crimping of electronic components, plugs, buttons, cables, and electrostatic protection.

[0011] The circuit measurement training subsystem provides theoretical training on circuit detection and analysis and judgment of circuit faults such as circuit breaks, cold solder joints, disconnections, and adhesions.

[0012] The electrical connector training subsystem provides theoretical training on electrical connector knowledge, electrical connector technology, and analysis and judgment of electrical connector cold soldering, open circuit, and short circuit faults.

[0013] The binding, wrapping and finishing training subsystem provides theoretical training on binding and finishing methods and binding and finishing processes.

[0014] The machine parts cleaning and lubrication training subsystem provides theoretical training on cleaning oils and lubricating greases, as well as cleaning and lubrication processes for machine parts, components, pipes, joints, electrical contacts, circuit boards, connectors, and cables.

[0015] The Marking and Marking Training Subsystem provides theoretical training on the markings used on aircraft, the definition and function of markings, the classification of markings, the production of markings, the specifications of markings, and the operating instructions of markings.

[0016] Support equipment use training subsystem, providing theoretical training on support equipment knowledge and support equipment use skills;

[0017] The marking and marking training subsystem provides theoretical training on marking in the aviation field, the definition and function of marking, marking classification, marking production, marking specifications, and marking operation instructions.

[0018] Preferably, the system further comprises a safety equipment use training subsystem, which provides theoretical training on safety equipment knowledge and safety equipment use skills.

[0019] The aviation maintenance basic maintenance skills training system also includes a training management module, which includes student management, test question management, test paper management, test result management submodules, as well as an equipment and device management submodule and a training media resource management submodule. The student management submodule provides information management of student number, name, major, position, and rank. The test question management submodule provides information management of the test content and test answers of the theoretical training question bank and the practical training question bank. The test paper management submodule provides test paper selection by major, sets the passing score and test duration, and selects students to take the test. The test result management submodule provides information management of test papers, students, scores, pass or fail, and test time. The equipment and device management submodule provides information management of training equipment and equipment and spare parts. The training media resource management submodule provides information management of media types, media resource data, media resource drivers, and the paths or addresses of media resources.

[0020] Preferably, the aviation maintenance basic maintenance skills training system also includes an aviation maintenance skills practical training device, which includes a stand with storage drawers and a simulated cabin section assembly, an electrical welding training table, and a control cabinet arranged on the stand. The simulated cabin section assembly includes a main cabin section with a support beam and an outer cabin section that is flipped and coordinated with the main cabin section.

[0021] The practical training device also includes a mechanical disassembly and assembly training module, a fuse disassembly and assembly and fastening training module, an electrical connector training module, a circuit measurement training module, a binding training module, a catheter disassembly and assembly module, a tightness inspection training module, a support equipment training module and a tool borrowing and returning management module, which are arranged on the main compartment.

[0022] The machine disassembly and assembly training module includes a switch control box with a variety of aviation switches, a landing switch, a contactor, a steel cable set, and screw hatches, cross-pin window covers, and quick-release screw window covers arranged on the outer cabin section.

[0023] The safety disassembly, assembly and tightening training module includes self-locking nut safety group, circlip pin safety group, cotter pin safety group, fuse group, spring washer safety group, lock plate safety group, punch point safety group, double nut safety group, as well as stud tightening group, fixing pin group, screw tightening group and pipe tightening group.

[0024] The electrical connector training module includes multiple groups of electrical connector sockets arranged in pairs, and the paired electrical connector sockets are connected to each other via pluggable electrical connector cables. Each electrical connector socket is provided with a corresponding number of test jacks according to the number of its pins, and the pins of the electrical connector socket are electrically connected to the conductive terminals of the corresponding test jacks; the pins of the electrical connector socket simulating open circuit or cold solder joints are connected to the conductive terminals of the corresponding test jacks via a relay, and the control end of the relay is connected to the controller, and the open circuit module or cold solder joint simulation is set by controlling the relay; two of the pins of the electrical connector socket simulating short circuit are connected via a relay, and the control end of the relay is connected to the controller, and the short circuit is set by controlling the relay.

[0025] The electric welding training table includes an electronic component welding operation table and a lighting lamp, a leakage protection switch, a circuit board power supply interface and an electric welding interface arranged above it. It also includes a drawer for holding solder wire and flux under the electronic component welding operation table.

[0026] The control cabinet includes a cabinet body set on a stand, a computer host arranged inside the cabinet, and a touch display, a data acquisition card and a controller connected to the computer host respectively. The control end of the relay group is connected to the controller via a photoelectric coupler, and the contacts of the relay group are respectively connected to the circuit measurement training module and the electrical connector training module.

[0027] The circuit measurement training module includes a signal generating circuit, in which relays and multiple test holes are arranged in multiple branches of the signal generating circuit. The control ends of the relays are respectively connected to the controller. The controller controls the engagement and disconnection of the contacts of the relays in the signal generating circuit branches, simulating the disconnection of the signal generating circuit branches, cold soldering simulation, disconnection, and adhesion faults, which are used to train students' circuit measurement and circuit fault analysis and judgment capabilities.

[0028] The lashing training module includes multiple sets of vertically arranged one-to-two cables and horizontally arranged one-to-multiple cables crossing them;

[0029] The tube assembly and disassembly module includes an oil-tight training tube assembly and an air-tight training tube assembly. The oil-tight training tube assembly comprises multiple sections of metal tubes, with the ends of adjacent metal tubes connected by pipe joints. An oil exhaust joint is located at the top of the oil-tight training tube assembly, and an oil drain joint is located at the bottom of the oil-tight training tube assembly.

[0030] The airtight training tube group includes a metal conduit, a cloth-reinforced rubber hose, and a rubber hose; the two ends of the cloth-reinforced rubber hose and the rubber hose are respectively connected to the ends of adjacent metal conduits via connecting joints; the ends of adjacent metal conduits are connected via pipe joints.

[0031] The airtightness inspection training module includes an air circuit inspection submodule and an oil circuit inspection submodule. The air circuit inspection submodule includes an air source switch, a pressure reducing valve, an air circuit safety valve, an air circuit test switch and an air supply pipeline connected in sequence. The cold gas cylinder is connected to the input end of the gas supply pipeline through the gas cylinder switch. The cold gas cylinder is provided with an air source pressure gauge, and the gas supply pipeline is provided with an air circuit test pressure gauge, an air pressure detection port, an air pressure sensor, an air conditioning filling switch and an air circuit pressure relief switch; the output end of the gas supply pipeline is connected to the input end of the airtightness training pipe group on the simulated cabin section assembly through the cabin section air circuit switch.

[0032] The oil circuit inspection submodule includes an oil pipeline connected to the pump station and a cabin oil circuit switch. An oil circuit test pressure gauge is provided on the oil pipeline, and an oil filling switch is provided at the connection end between the oil pipeline and the pump station. The output end of the oil pipeline is connected to the input end of the oil tightness training pipe group on the simulated cabin assembly through the cabin oil circuit switch.

[0033] The support equipment training module includes a ground power plug, oil filling port, air conditioning filling port, plug, plug, ground safety pin and engine exhaust pipe plug.

[0034] The tool borrowing and returning management module includes a tool storage box set on the side of the control cabinet and a slot for holding a scanner set on the top of the control cabinet. It also includes multiple trays for storing training tools and a scanner for scanning tools.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] 1) The present invention provides aviation maintenance trainees with theoretical training in a variety of aviation maintenance skills, including tool use, fastening and securing, component disassembly and assembly, tightness inspection, electrical welding and crimping, circuit measurement, electrical connectors, binding, wrapping and sorting, component cleaning and lubrication, marking and marking, and comprehensively improves the various aviation maintenance skills of aviation maintenance trainees;

[0037] 2) The present invention provides theoretical training on the use of aircraft support equipment to aviation maintenance personnel, so that they can become familiar with aircraft support equipment and skillfully use the equipment, which is conducive to improving the aircraft support level;

[0038] 3) The training management module of the simulation training system of the present invention realizes the management of the question bank, test papers, and test scores. It can configure personalized test papers for students of different majors, and the students' test scores are easy to query and compile;

[0039] 4) The present invention realizes the combination of maintenance theory training and maintenance hardware equipment, so that maintenance personnel receiving training can refer to the corresponding maintenance training hardware module in kind or conduct actual maintenance operation exercises in combination with theoretical training while receiving theoretical training, thereby comprehensively improving the training effect and efficiency of maintenance training;

[0040] 5) The present invention can set circuit faults such as open circuit, short circuit, simulated cold solder joint, etc. in the circuit measurement training module through the operation interface of the software system, so that trainees can analyze and determine the type and location of circuit faults, thereby improving the trainees' ability in circuit detection, analysis, and fault judgment;

[0041] 6) The present invention not only provides training on plugging, unplugging, and connecting various electrical connectors, but also uses the software system's operating interface to set electrical connection faults such as open circuits, short circuits, simulated cold solder joints, and sticking on the electrical connector sockets, allowing trainees to analyze and determine the type and location of electrical connector faults, thereby improving trainees' ability to determine electrical connector faults.

[0042] 7) This invention integrates a catheter disassembly and assembly module and a tightness inspection training module. It not only provides training on the disassembly and assembly of rubber catheters, cloth-reinforced hoses, and metal catheters, but also provides air and oil tightness testing for disassembled and assembled catheters. This facilitates the evaluation of the tightness of closed circuits installed with catheters or provides diagnostic and analysis training for defective pipelines. It can be used to test and evaluate trainees' catheter disassembly and assembly skills or pipeline leak detection skills.

[0043] 8) The present invention provides training on tightening torque. When trainees tighten the torque strength training assembly, the torque digital display shows the torque value in real time, which helps trainees accurately grasp the tightening torque and improve the quality of aircraft maintenance.

[0044] 9) The aviation maintenance skills training device of the present invention provides practical training on cleaning and lubricating aircraft parts, pipelines, joints, electrical contacts, electrical connectors, cables, aircraft skins, movable joints, and support equipment, focusing on training and improving students' aviation maintenance cleaning and lubrication skills;

[0045] 10) The present invention realizes the modularization, miniaturization and high integration of aviation maintenance skills practical training equipment, which is convenient for mass production and loading and transportation, and is conducive to the widespread development of aviation maintenance simulation training, comprehensively improving the theoretical and practical level of aviation maintenance skills of all aviation crew members, improving training efficiency, reducing training costs, and shortening training time. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The present invention will be further described below with reference to the accompanying drawings and examples.

[0047] Figure 1 Schematic diagram of the system architecture of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0048] Figure 2 This is a schematic diagram of the operating interface of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0049] Figure 3This is a schematic diagram of the main interface of the theoretical learning section of the circuit measurement training subsystem in an embodiment of the present invention.

[0050] Figure 4 This is a schematic diagram of the theoretical training interface of the theoretical learning section of the circuit measurement training subsystem in an embodiment of the present invention.

[0051] Figure 5 This is a schematic diagram of the multiple-choice question training interface of the theoretical training section of the circuit measurement training subsystem in an embodiment of the present invention.

[0052] Figure 6 This is a schematic diagram of the practical training question interface of the practical training section of the circuit measurement training subsystem according to an embodiment of the present invention.

[0053] Figure 7 This is an editing interface for theoretical training questions of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0054] Figure 8 Shown is an editing interface for practical training questions of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0055] Figure 9 Shown is an editing interface for the test paper of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0056] Figure 10 Shown is the data table relationship of the aviation maintenance basic maintenance skills training system according to an embodiment of the present invention.

[0057] Figure 11 The figure is a schematic structural diagram of an aviation maintenance skills practical training device according to an embodiment of the present invention.

[0058] Figure 12 This is a front view of an aviation maintenance skills practical training device according to an embodiment of the present invention.

[0059] Figure 13 This is a rear view of the aviation maintenance skills practical training device according to an embodiment of the present invention.

[0060] Figure 14 This is a schematic diagram of the main compartment of an aviation maintenance skills practical training device according to an embodiment of the present invention.

[0061] Figure 15 Schematic diagram of a component disassembly and assembly training module according to an embodiment of the present invention.

[0062] Figure 16 Schematic diagram of a safety assembly and disassembly and tightening training module according to an embodiment of the present invention.

[0063] Figure 17 Schematic diagram of an electrical connector training module and a circuit measurement training module according to an embodiment of the present invention.

[0064] Figure 18 Schematic diagram of the circuit connection of the electrical connector training module according to an embodiment of the present invention.

[0065] Figure 19 FIG. 4 is a circuit diagram of a circuit measurement training module according to an embodiment of the present invention.

[0066] Figure 20 The following is a circuit diagram of a circuit board for soldering chip components and a circuit board for soldering plug-in components in an embodiment.

[0067] Figure 21 Schematic diagram of a support equipment training platform according to an embodiment of the present invention.

[0068] Figure 22 Schematic diagram of the structure of the oil circuit inspection submodule according to an embodiment of the present invention.

[0069] Figure 23 Schematic diagram of the structure of the gas path detection submodule according to an embodiment of the present invention.

[0070] Figure 24 Schematic diagram of the structure of the movable joint according to an embodiment of the present invention.

[0071] Figure 25a Schematic diagram of soldering a through-hole component to a circuit board according to an embodiment of the present invention.

[0072] Figure 25b Schematic diagram of soldering chip components to a circuit board according to an embodiment of the present invention.

[0073] Figure 26 Schematic diagram of the driving circuit of the relay of the circuit measurement training module according to an embodiment of the present invention. DETAILED DESCRIPTION

[0074] like Figure 1 and Figure 2 As shown, the aviation maintenance basic maintenance skills training system includes tool use training, fastening and insurance training, machine disassembly and assembly training, electrical welding and crimping training, circuit measurement training, electrical connector training, binding, wrapping and sorting training, support equipment use training, machine cleaning and lubrication training, marking and marking training subsystem and training management module.

[0075] The tool usage training subsystem includes theoretical learning section, theoretical training section and practical training section. The theoretical learning section provides students with theoretical training on the identification and use of common tools and tool management system through charts, audio and video, text, etc. The theoretical training section provides students with single-choice or multiple-choice test training on tool identification, use and tool borrowing and returning procedures. The practical training section provides students with practical training test questions on tool identification and use.

[0076] The theoretical learning section of the fastening and insurance training subsystem provides knowledge training on the basic knowledge of fasteners and mechanical anti-loosening insurance, friction stop insurance, permanent stop insurance, as well as training on fastening and insurance operation processes; the theoretical training section of the fastening and insurance training subsystem provides students with single-choice or multiple-choice test training on fastening and insurance; the practical training section of the fastening and insurance training subsystem provides students with practical training test questions on fastening and insurance.

[0077] The theoretical learning section of the mechanical disassembly and assembly training subsystem provides students with theoretical training on the structure, identification, damage causes and preventive maintenance measures of various types of ducts and plugs, as well as the disassembly and assembly of aircraft skins, ducts, airborne equipment, parts and commonly used buttons through charts, videos, texts, etc.; the theoretical training section of the mechanical disassembly and assembly training subsystem provides students with single-choice or multiple-choice test training on mechanical disassembly and assembly; the practical training section of the mechanical disassembly and assembly training subsystem provides students with practical training test questions on mechanical disassembly and assembly.

[0078] The theoretical learning section of the binding, wrapping and tidying training subsystem provides students with theoretical training on the binding, wrapping and tidying of aviation cables through charts, videos, texts, etc., so that students can be familiar with and master the decomposition and combination methods of various commonly used aviation plug harnesses and the cable binding, wrapping and tidying methods and skill requirements; the theoretical learning section of the binding, wrapping and tidying training subsystem provides students with single-choice or multiple-choice test training on binding, wrapping and tidying; the practical training section of the binding, wrapping and tidying training subsystem provides students with practical training test questions on binding, wrapping and tidying.

[0079] The theoretical learning section of the electrical connector training subsystem provides students with theoretical training on the identification, plugging, disassembly and assembly of various types of electrical connectors through charts, videos, text, etc. The electrical connector models include JY series, XKE series, ZH series, YB series, Y11 / Y50 series, and PD series. The electrical connector types include double square, single square, ordinary round, snap-on quick connection and other common connection types; the theoretical training section of the electrical connector training subsystem provides students with single-choice or multiple-choice test training on electrical connectors; the practical training section of the electrical connector training subsystem provides students with practical training test questions on electrical connectors.

[0080] The theoretical learning section of the electrical welding and crimping training subsystem provides students with theoretical training on the welding and crimping of electronic components, plugs, buttons, cables, and electrostatic protection through charts, videos, text, etc.; the theoretical training module of the electrical welding and crimping training subsystem provides students with single-choice or multiple-choice test training on electrical welding and crimping; the practical training section of the electrical welding and crimping training subsystem provides students with practical training test questions on electrical welding and crimping.

[0081] During the practical assessment, the trainees complete the soldering of the circuit board according to the practical training test questions, and the instructor manually scores through the system interface of the present invention.

[0082] The theoretical learning section of the circuit measurement training subsystem provides students with theoretical training on circuit detection and analysis and judgment of circuit breaks, cold solder joints, disconnections, and sticking faults through charts, videos, text, etc.; the theoretical training section of the circuit measurement training subsystem provides test training on single-choice or multiple-choice questions on circuit measurement; the practical training section of the circuit measurement training subsystem provides students with practical training questions on circuit detection.

[0083] During practical training on circuit measurement, the circuit measurement training subsystem can set up up to 6 circuit faults at any time. Trainees use a multimeter to detect and analyze the circuits of the circuit measurement training module of the aviation maintenance skills practical training device and complete the questions.

[0084] The theoretical learning section of the airtightness inspection training subsystem provides students with theoretical training on the basic knowledge of connecting pipelines such as metal pipes and rubber pipes and the airtightness inspection process through charts, videos, texts, etc.; the theoretical training section of the airtightness inspection training subsystem provides students with single-choice or multiple-choice test training on airtightness inspection; the practical training section of the airtightness inspection training subsystem provides students with practical training test questions on airtightness inspection and troubleshooting.

[0085] The theoretical learning section of the support equipment use training subsystem provides students with theoretical training on plugs and interface connections such as ground power plugs, oil filling interfaces, air conditioning installation interfaces, as well as typical machine connections such as plugs, plugs, ground safety pins, and disassembly and assembly of engine exhaust pipe plugs, and cable tension measurement through charts, videos, texts, etc.; the theoretical training section of the support equipment use training subsystem provides students with single-choice or multiple-choice test training on the use of support equipment; the practical training section of the support equipment use training subsystem provides students with practical training test questions on the use of support equipment.

[0086] The theoretical learning section of the machine parts cleaning and lubrication training subsystem provides students with theoretical training on cleaning and lubrication of pipes, joints, steel cable force measuring devices, ground power plugs, ground valves, movable joints, ground safety pins, aircraft skins, bearings and other machine parts, as well as cleaning of electrical machine parts such as circuit boards, micro switches and button electric contacts, and aviation plugs through charts, videos, texts, etc.; the theoretical training section of the machine parts cleaning and lubrication training subsystem provides students with single-choice or multiple-choice test training on machine parts cleaning and lubrication; the practical training section of the machine parts cleaning and lubrication training subsystem provides students with practical training test questions on machine parts cleaning and lubrication.

[0087] The theoretical learning section of the marking and marking training subsystem provides students with theoretical training on the basic knowledge, operation methods, and attention contents of marking and marking through charts, videos, texts, etc.; the theoretical training section of the marking and marking training subsystem provides students with single-choice or multiple-choice test training on marking and marking; the practical training section of the marking and marking training subsystem provides students with practical training test questions on marking and marking.

[0088] The training management module includes student management, test question management, test paper management, test results management submodule, equipment management submodule, and training media resource management submodule;

[0089] The student management submodule provides information management of student numbers, names, majors, positions, and ranks;

[0090] The test question management submodule provides information management of the test content and answers of the theoretical training question bank and the practical training question bank;

[0091] The exam paper management submodule provides exam paper selection for students of different majors, sets the passing score and exam duration, and selects students to take the exam;

[0092] The test results management submodule provides information management of test papers, students, scores, pass / fail status, and test time;

[0093] The equipment management submodule is used for the information management of equipment used in maintenance training and its spare parts;

[0094] The training media resource management submodule provides information management of media types, media resource data, media resource drivers, and media resource paths or addresses.

[0095] Taking the circuit measurement training subsystem as an example, the main interface of the theoretical learning section is as follows: Figure 3 As shown, the theoretical learning section provides an interface for theoretical training. Figure 4 As shown; the theoretical training section single choice question training interface is as follows Figure 5 As shown; the practical training section practical training interface is as follows Figure 6 shown.

[0096] Figure 7 Shown is the editing interface for theoretical training questions, where users edit and manage the question types, stems, and options of theoretical multiple-choice questions. Figure 8 Shown is the editing interface for practical training questions, where users edit and manage the stems of practical test questions and their corresponding modules. Figure 9 The figure shows the editing interface for the test paper. Users can randomly select theoretical multiple-choice questions from modules, add or delete questions, and generate the test paper. Figure 10Shown is the data table relationship of the aviation maintenance basic maintenance skills training system of the embodiment.

[0097] The data tables of the media resources used in the theoretical training of the theoretical learning section are shown in Tables 1 and 2.

[0098] Table 1 Media resource information table

[0099]

[0100] The data tables of equipment, devices, and spare parts corresponding to the media resources in the theoretical learning section are shown in Tables 3, 4, and 5.

[0101] Table 2 Media resource type table

[0102]

[0103] Table 3 Equipment Information

[0104]

[0105] Table 4 Device Information Table

[0106]

[0107] The data table shown in Table 5 stores spare parts information data of equipment.

[0108] Table 5 Spare parts information

[0109]

[0110] The tools used for equipment repair and maintenance are shown in Table 6.

[0111] Table 6 Maintenance and measurement tools

[0112]

[0113] The information of trainees who participated in the aviation maintenance skills training is shown in Table 7. The trainees' rank information and crew information are shown in Tables 8 and 9.

[0114] Table 7 Student Information Table

[0115]

[0116] Table 8 Rank Information Table

[0117]

[0118] Table 9 Maintenance personnel grouping table

[0119]

[0120] Table 10 is the operation process information table of the practical training, and the operation step information in the operation process is shown in Table 12. The standard result data of the operation steps is shown in Table 13.

[0121] Table 10 Practical process information table

[0122]

[0123] Table 11 shows the workplace information corresponding to the operating procedures.

[0124] Table 11 Workplace table

[0125]

[0126] Table 12 Practical steps information table

[0127]

[0128] Table 13 Practical Standard Data Table

[0129]

[0130] The data table shown in Table 14 stores the students' practical training results or scores of operation steps.

[0131] Table 14 Practical Training Score Sheet

[0132]

[0133] Table 15 shows the test question information for theoretical training. Table 16 shows a data table that stores the option information for the test question.

[0134] Table 15 Test Question Information Table

[0135]

[0136] Table 16 Test question option information table

[0137]

[0138] The data table shown in Table 17 stores the examination information, and the examination paper header information is shown in Table 18.

[0139] Table 17 Examination Information Table

[0140]

[0141] Table 18 Test paper header information table

[0142]

[0143] The data table shown in Table 19 stores the test paper information.

[0144] Table 19 Test Question Information Table

[0145]

[0146] The data table shown in Table 20 stores information data of students taking the exam.

[0147] Table 20 Information of candidates

[0148]

[0149] The data table shown in Table 21 stores the test scores of students.

[0150] Table 21 Examination results table

[0151]

[0152] like Figure 11-14 As shown, the aviation maintenance basic maintenance skills training system also includes an aviation maintenance skills practical training device, which includes a stand 10 with storage drawers and a simulated cabin section assembly 11, a support equipment training table 7, an electrical welding training table 9, and a control cabinet 8 arranged on the stand. The simulated cabin section assembly 11 includes a main cabin section 111 with a support beam and an outer cabin section 112 that is flipped to cooperate with the main cabin section. The aviation maintenance skills practical training device also includes a mechanical parts disassembly and assembly training module 1, a fuse disassembly and fastening training module 2, an electrical connector training module 3, a circuit measurement training module 4, a binding training module 5, a catheter disassembly and assembly module 6, and an identification training tube group 14, which are arranged on the main cabin section. The stand 10 of the aviation maintenance skills practical training device is provided with four universal wheels at the bottom to facilitate the movement and transportation of the aviation maintenance skills practical training device.

[0153] like Figure 15 As shown, the component disassembly and assembly training module 1 includes a switch control box 101 with various aviation switches, a landing gear switch 102, a contactor 103, a cable assembly 104, and screw hatches 105, a cross-pin window cover 106, and a quick-release screw window cover 107 on the outer compartment. The switch control box 101 is equipped with a switch with an indicator light 1011, a toggle switch 1012, and a waveband switch 1013. The cable assembly 104 is used for training in the disassembly and assembly of aviation cables and for measuring cable tension. In this embodiment, the cable assembly 104 includes three types of cables commonly used in aviation.

[0154] like Figure 16As shown, the safety assembly, disassembly, and tightening training module 2 includes a self-locking nut safety group 201, a retaining spring pin safety group 202, a cotter pin safety group 203, a fuse group 204, a spring washer safety group 206, a locking plate safety group 205, a punch point safety group 209, a double nut safety group 207, as well as a stud tightening training group 208, a fixing pin 215, a cross screw tightening training group 210, a hexagon socket screw tightening training group 211, a slotted screw tightening training group 212, a pipeline fixing training group 213, and a pipeline joint tightening training group 214. In this embodiment, the pipeline fixing training group 213 uses a pipeline fixing clamp, and the pipeline joint tightening training group 214 uses a multi-way connector. The safety assembly, disassembly, and tightening training module 2 is also used for practical training in marking and marking within the marking and marking training subsystem.

[0155] In the embodiment, connecting ears are provided on both sides of the base plate 216 of the safety disassembly and fastening training module 2, and the base plate 216 is buckled with the module support on the main compartment section 111 through the connecting ears, so as to facilitate the installation and disassembly of the safety disassembly and fastening training module 2.

[0156] like Figure 17 As shown, the electrical connector training module 3 includes multiple groups of electrical connector sockets arranged in pairs, and the paired electrical connector sockets are connected to each other via pluggable electrical connector cables. Each electrical connector socket is provided with a corresponding number of test jacks according to the number of its pins, and the pins of the electrical connector socket are electrically connected to the conductive terminals of the corresponding test jacks; the pins of the electrical connector socket simulating an open circuit or a cold solder joint are connected to the conductive terminals of the corresponding test jacks via a relay, and the control end of the relay is connected to the controller, and the open circuit module or cold solder joint simulation is set by controlling the relay; two of the pins of the electrical connector socket simulating a short circuit are connected via a relay, and the control end of the relay is connected to the controller, and the short circuit is set by controlling the relay.

[0157] like Figure 19 As shown, the circuit measurement training module 4 includes a signal generating circuit and a logic control circuit. The connection ends of the electronic components of the signal generating circuit are respectively provided with test holes. Relays are respectively provided in multiple branches of the signal generating circuit. The control ends of the relays are respectively connected to the logic control circuits. The logic control circuit controls the engagement and disconnection of the contacts of the relays in the signal generating circuit branches, simulating circuit faults such as disconnection, cold soldering, derailment, and adhesion of the signal generating circuit branches, which is used to train students' circuit measurement and circuit fault analysis and judgment capabilities.

[0158] In the embodiment, the electrical connector training module 3 and the circuit measurement training module 4 are arranged on the same module substrate, and the module substrate is provided with two circuit measurement training modules 4 with the same circuit structure. The module substrate adopts a modular structure similar to the insurance disassembly and fastening training module 2, and the module substrate is snapped into the module support on the main compartment section 111.

[0159] The signal generating circuit of the embodiment is a square wave signal generator, which adopts the NE555 chip.

[0160] like Figure 14 As shown, the lashing training module 5 includes two bundles of vertically arranged one-to-two cables 502 and a horizontally arranged one-to-many cables 501 crossing the two bundles.

[0161] The catheter disassembly module 6 includes an oil-tight training tube set 61 and an air-tight training tube set 62. Figure 14 The oil-tight training tube set 61 includes multiple sections of metal conduits 601, with the ends of adjacent metal conduits 601 connected via pipe joints 604. An oil exhaust joint 611 is provided at the top of the oil-tight training tube set 61, and an oil drain joint 612 is provided at the bottom of the oil-tight training tube set 61.

[0162] The airtight training tube assembly 62 includes a metal conduit 601, a cloth-reinforced rubber hose 602, and a rubber hose 603. The ends of the cloth-reinforced rubber hose and the rubber hose are connected to the ends of adjacent metal conduits via connectors. The ends of adjacent metal conduits 601 are connected via pipe connectors 604. The pipe connectors 604 include L-shaped two-way connectors, three-way connectors, and four-way connectors.

[0163] like Figure 11 As shown, the support equipment training platform 7 is provided with a ground power plug 701, an oil filling port 716, an air conditioning filling port 736, a plug cover 704, a plug 705, a ground safety pin 706 and an engine exhaust pipe plug cover 707; the support equipment training platform 7 also includes a tightness inspection training module, which includes an oil circuit inspection submodule and an air circuit inspection submodule.

[0164] like Figure 22 As shown, the oil circuit inspection submodule includes an oil pipeline 712 and a cabin oil circuit switch 715 connected to the pump station 711, an oil circuit test pressure gauge 714 is provided on the oil pipeline 712, and an oil filling switch 713 is provided at the connecting end of the oil pipeline 712 and the pump station 711; the output end of the oil pipeline 712 is connected to the input end of the oil tightness training pipe group 61 on the simulated cabin assembly through the cabin oil circuit switch 715; the pump station 711 includes an oil pump 7111, an oil suction filter 7112 is provided at the oil inlet end of the oil pump 7111, and an oil pressure sensor 7116, a pump station oil pressure gauge 7115, an oil circuit safety valve 7114, and a pump station pressure relief switch 7113 are provided at the oil outlet end of the oil pump 7111.

[0165] The oil pump 7111 of the embodiment is a hand-cranked oil pump, the pump station 711 provides the system hydraulic source, and the oil circuit inspection submodule is used to perform oil tightness testing on the oil-tight training pipe group 61 on the simulated compartment assembly. The working principle is as follows: the pump station 711 pressurizes the oil pipeline 712, the oil circuit safety valve 7114 protects the pressure of the pump station output pipeline from exceeding the set safety value, the oil circuit test pressure gauge 714 displays the pressure value of the oil pipeline 712 in real time, and the oil pressure sensor 7116 outputs the collected pressure signal to the controller of the control cabinet 8. The oil-tight training pipe group 61 is tested for pressure maintenance. If the oil pressure value collected by the oil pressure sensor 7116 drops by more than 0.1 MPa within 15 minutes, the oil-tight training pipe group 61 is determined to have a leak. After the test is completed, the pump station pressure relief switch 7113 is opened to release the pressure, and then the fault is checked.

[0166] like Figure 23 As shown, the gas circuit inspection submodule includes a gas source switch 724, a pressure reducing valve 725, a gas circuit safety valve 726, a gas circuit test switch 727, and a gas pipeline 721, which are connected in sequence. A cold gas bottle 729 is connected to the input of the gas pipeline 721 via a gas bottle switch 722. The cold gas bottle 729 is equipped with a gas source pressure gauge 723. The gas pipeline 721 is equipped with a gas circuit test pressure gauge 728, a pressure detection port 730, a pressure sensor 731, a cold gas filling switch 733, and a gas circuit pressure relief switch 732. An external gas source access port 735 is provided at the input of the gas pipeline 721. The output of the gas pipeline 721 is connected to the input of the airtight training pipe assembly 62 on the simulated cabin assembly via a cabin gas circuit switch 734. The cold gas filling switch 733 is connected via a pipeline to the cold gas refill port 736 on the support equipment training platform 7.

[0167] In this embodiment, the gas circuit inspection submodule performs an airtightness test on the airtight training tube assembly 62 on the simulated compartment assembly. The following operating principles are as follows: The gas cylinder switch 722 is turned on, and the gas source pressure gauge 723 displays the gas source pressure. Once the gas source pressure meets the required level, the gas source switch 724 is turned on. The gas in the gas source is reduced to 0.5 MPa via the pressure reducing valve 725. The gas circuit test pressure gauge 728 displays the gas pressure in the gas pipeline 721 in real time. The gas circuit safety valve 726 is used to set the maximum pressure of the gas in the gas pipeline. The compartment gas circuit switch 734 is turned on to check the airtightness of the training tube assembly 62. The air pressure sensor 731 outputs the collected pressure signal to the controller in the control cabinet 8. The airtightness of the training tube assembly 62 is then tested for pressure. If the gas pressure detected by the pressure sensor 731 drops by more than 0.1 MPa within 15 minutes, the training tube assembly 62 is deemed to be leaking. After the test is complete, the gas circuit pressure relief switch 732 is turned on to release the pressure, and then troubleshooting is performed. In the embodiment, an external gas source may be connected to the external gas source inlet 735 to perform air tightness testing instead of the cold gas bottle 729. The gas source pressure requirement of the embodiment is 2 MPa to 3 MPa.

[0168] The air circuit inspection submodule can also be used to detect the reliability of the cross-connection between the cold air filling port 736 and the cold air source. During the inspection, the air source switch is turned off, the cold air filling switch 733 is turned on, and the reliability of the cross-connection between the cold air filling port 736 and the cold air source is judged by the reading of the air circuit test pressure gauge 728.

[0169] The electric welding training table 9 includes an electronic component welding operating table 901 and a lighting lamp 907, a leakage protection switch 904, a welding circuit board power supply interface 902 and an electrical welding interface 903 arranged above it. It also includes a drawer 908 for holding solder wire and flux under the electronic component welding operating table; a 220V power socket 905 and a lighting lamp control switch 906 are provided on the operating table 901.

[0170] In the embodiment, the aviation maintenance skill practical training device also includes a patch component welding circuit board and a direct plug component welding circuit board for electrical welding practical training. The circuits used in the patch component welding circuit board and the direct plug component welding circuit board are as follows: Figure 20 As shown. SMD component welding circuit board is used for the electric welding training of integrated chips, capacitors, resistors, diodes and other SMD electronic components of SMD pins, such as Figure 25a As shown. Direct-insert component welding circuit board is used for electric welding training of integrated chips, capacitors, resistors, diodes and other electronic components with direct-insert pins, such as Figure 25b As shown, electrical welding interface 903 is used to power the welding gun used in welding training. After the trainee completes soldering of electronic components, they connect the detection interface of the soldered SMD component soldering circuit board or DIP component soldering circuit board to the soldering circuit board power supply interface 902. The controller uses the signal from the detection interface to determine whether the SMD component soldering circuit board or DIP component soldering circuit board completed by the trainee is qualified.

[0171] The control cabinet 8 comprises a cabinet body 801 mounted on a stand, a computer host, a touchscreen display 802, a data acquisition card, and a controller housed within the cabinet. The control end of the relay group is connected to the controller via a photocoupler, and the relay group contacts are connected to the circuit measurement training module and the electrical connector training module. The controller uses an Arduino UNO interface board.

[0172] The tool loan management module 13 includes a tool storage box 131 on the side of the control cabinet and a slot 132 on the top for a scanner. It also includes multiple trays for storing training tools and a scanner for scanning tool codes. The tool loan management module 13 is also used for practical training in the tool training subsystem.

[0173] The identification training tube set 14 includes a plurality of tubes of different colors and specifications, and is used to train trainees to identify various tubes involved in aviation maintenance.

[0174] The support beam of the simulated cabin section assembly 11 is provided with a movable joint 12, which includes a support 121, a shaft core 122, a bushing 123, a locking nut 124, a joint bearing 125 connected to the bushing 123 via a connecting rod, and a grease nozzle 126 is provided in the middle of the shaft core. Figure 24 The movable joint 12 is used for practical training of the machine parts cleaning and lubrication training subsystem.

[0175] After the outer cabin section 112 of the simulated cabin section assembly 11 is flipped downward, the modules on the main cabin section 111 are surrounded and closed. After the screw cabin cover 105, the cross pin window cover 106, and the quick-release screw window cover 107 on the outer cabin section 112 are removed, maintenance operation training is carried out on the mechanical disassembly and assembly training module 1, the insurance disassembly and assembly and fastening training module 2, the electrical connector training module 3, the circuit measurement training module 4, the binding training module 5, the catheter disassembly and assembly module 6, etc., to increase the difficulty of operation and train the trainees to improve their maintenance skills.

[0176] like Figure 21 As shown, the safety equipment training platform 7 is equipped with a torque strength training assembly 740 and a torque digital display 741. The torque sensor output of the torque strength training assembly and the torque digital display input are respectively connected to the controller of the control cabinet. In this embodiment, the torque strength training assembly uses a TJN-5 torque sensor with a range of 0-200Nm. The torque strength training assembly 740 is used to train whether the tightening torque of the practical training section of the tightening and safety training subsystem meets the design requirements.

[0177] like Figure 19As shown, the circuit of the circuit measurement training module includes a voltage regulator chip IC1, a signal generator chip IC2, a diode D1, a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3 and an indicator light L1. Pin 1 of the voltage regulator chip IC1 is connected to one end of the resistor R1, and a test hole CK4 is provided at the connection end between the voltage regulator chip IC1 and the resistor R1. The other end of the resistor R1 is connected to the positive pole of the power supply via a switch, and a test hole CK3 is provided at the connection end between the resistor R1 and the positive pole of the power supply. Pin 2 of the voltage regulator chip IC1 is connected to the negative pole of the power supply, and a test hole CK2 is provided at the connection end between the voltage regulator chip IC1 and the negative pole of the power supply. Pin 3 of the voltage regulator chip IC1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the signal generator via a switch. Pin 7 of the chip IC2 is connected, and pin 3 of the voltage regulator chip IC1 is provided with a test hole CK5. The connection end of the resistor R2 and pin 7 of the signal generator chip IC2 is provided with a test hole CK6, and the connection end of pin 7 of the signal generator chip IC2 is provided with a test hole CK9; pin 8 of the signal generator chip IC2 is connected to pin 3 of the voltage regulator chip IC1 through relay J10-2, and pin 8 of the signal generator chip IC2 is provided with a test hole CK14; pin 4 of the signal generator chip IC2 is connected to pin 3 of the voltage regulator chip IC1 through a switch, and pin 4 of the signal generator chip IC2 is provided with a test hole CK16; one end of the capacitor C1 is connected to the negative pole of the power supply, and the other end of the capacitor C1 is connected to the negative pole of the power supply through relay J12- 2 is connected to pin 6 of the signal generator chip IC2, the end of the connection relay J12-2 of the capacitor C1 is provided with a test hole CK12, and the pin 6 of the signal generator chip IC2 is provided with a test hole CK13; one end of the capacitor C2 is connected to pin 1 of the signal generator chip IC2, and the other end of the capacitor C2 is connected to pin 5 of the signal generator chip IC2 through a switch, the end of the capacitor C2 connected to the signal generator chip IC2 is provided with a test hole CK20, and the end of the capacitor C2 connected to the negative pole of the power supply is provided with a test hole CK21; pin 1 of the signal generator chip IC2 is connected to the negative pole of the power supply through relay J11-2, pin 1 of the signal generator chip IC2 is provided with a test hole CK15, and the signal generator chip IC Pin 5 of IC2 is provided with a test hole CK19; the anode of diode D1 is connected to pin 7 of signal generator chip IC2 via a switch, and the cathode of diode D1 is connected to pin 2 of signal generator chip IC2 via relay J11-3. The anode of diode D1 is provided with a test hole CK8, and the cathode of diode D1 is provided with a test hole CK10; pin 2 of signal generator chip IC2 is provided with a test hole CK11; one end of resistor R3 is connected to the anode of diode D1 via a switch, and the other end of resistor R3 is connected to the cathode of diode D1. The connection end of resistor R3 and diode D1 anode is provided with a test hole CK7, and the connection end of resistor R3 and diode D1 anode is connected to the end of resistor R2 provided with a test hole CK6 via a switch;The end of the resistor R3 connected to the cathode of the diode D1 is provided with a test hole CK10, and the end of the resistor R3 connected to the cathode of the diode D1 is connected to the end of the capacitor C1 with a test hole CK12 through a switch; Pin 6 of the signal generator chip IC2 is connected to Pin 2 of the signal generator chip IC2 through relay J11-1; One end of the indicator light L1 is connected to the positive pole of the power supply through the switch, and the other end of the indicator light L1 is connected to the negative pole of the power supply through relay J10-3 and relay J1; The end of the indicator light L1 connected to the positive pole of the power supply is provided with a test hole CK22, and is connected to the positive pole of the power supply through relay J10-3 and relay J1. Relay J12-1 is connected to pin 3 of the voltage regulator chip IC1. The end of indicator light L1 connected to the negative power supply has a test hole CK23, and the end of relay J1 connected to the negative power supply has a test hole CK25. Pin 3 of signal generator chip IC2 is connected to one end of relay J1's coil via relay J12-3. The other end of relay J1's coil is connected to the negative power supply. Pin 3 of signal generator chip IC2 has a test hole CK17, and the end of relay J1's coil connected to relay J12-3 has a test hole CK18.

[0178] The relays J10-2, J11-2, and J12-2 are used to simulate the cold soldering circuit connection; the static contact of the relay J10-2 is connected to the No. 3 pin of the voltage regulator chip IC1 via a wire, and the moving contact of the relay J10-2 is connected to the No. 3 pin of the voltage regulator chip IC1 via the cold soldering simulation resistor Rx. The circuit connection structure of the relays J11-2 and J12-2 is similar to that of the relay J10-2. Figure 26 As shown, the control end of the relay of the circuit measurement training module is connected to the Arduino UNO interface board of the control cabinet through the optoelectronic isolation module.

[0179] In the embodiment, the test holes CK4 and CK2, the test holes CK11 and CK13, and the test holes CK5 and CK22 are all short-circuit test points; the test holes CK17 and CK18, the test holes CK23 and CK24, and the test holes CK10 and CK11 are all open-circuit test points; the test holes CK12 and CK13, the test holes CK5 and CK14, and the test holes CK2 and CK15 are cold-solder test points.

[0180] like Figure 6As shown, during circuit measurement training, the instructor sets a circuit fault using the user interface of the practical training section of the circuit measurement training subsystem. A computer running the Aviation Maintenance Basic Maintenance Skills Training System software program outputs control signals to the corresponding relays via a controller. The relays actuate, creating a circuit fault in the circuit measurement training module for the trainee to detect, judge, and analyze, thereby honing their circuit fault detection and analysis skills. The trainee then uses a multimeter to test and analyze the circuit through the test holes on the circuit measurement training module. They then fill in the circuit fault detection and analysis results in the practical training test questions in the practical training section of the circuit measurement training subsystem. The system automatically determines whether the trainee's fault analysis results are correct.

[0181] like Figure 18As shown, the electrical connector training module includes circular three-pin connector sockets CZ1, CZ2, CZ3, and CZ4, as well as circular four-pin connector sockets CZ5 and CZ6, a double square twelve-pin connector socket CZ7, a square six-pin connector socket CZ8, and a circular six-pin connector socket CZ9; connector plugs CT1 and CT2 respectively cooperate with connector sockets CZ1 and CZ2, and connector plug CT1 is connected to connector plug CT2 via a cable; connector plugs CT3 and CT4 respectively cooperate with connector sockets CZ3 and CZ4, and connector plug CT3 is connected to Connector plug CT4 is connected; connector plugs CT5 and CT6 are matched with connector sockets CZ5 and CZ6 respectively, and connector plug CT5 is connected to connector plug CT6 via a cable; connector plug CT7 is matched with connector socket CZ7, and connector plugs CT8 and CT9 are connected to connector plug CT7 via a cable; each pin of connector sockets CZ1-9 is provided with a corresponding test hole; the test hole K12 of pin 2 of connector socket CZ1 is connected to pin 2 via relay J15-1; the test hole K31 of pin 1 of connector socket CZ3 is connected to pin 2 via relay J15-1; Relay J16-1 is connected to pin 1; the test hole K54 of pin 4 of connector socket CZ5 is connected to pin 4 via relay J16-2; pin 3 of connector socket CZ5 is connected to pin 2 via relay J17-1; the test hole K713 of pin A3 of connector socket CZ7 is connected to pin A3 via relay J17-2; pin B5 of connector socket CZ7 is connected to pin A4 via relay J15-2; pin 1 of connector socket CZ1 is connected to the positive pole of the power supply via relay J19, and pin 3 of connector socket CZ1 is connected to the positive pole of the power supply via relay J19. Pins, pin 2 of connector socket CZ3, pin 3 of connector socket CZ3, pin 1 of connector socket CZ5, pin A1 of connector socket CZ7, pin A2 of connector socket CZ7, pin A5 of connector socket CZ7, pin A6 of connector socket CZ7, pin B1 of connector socket CZ7, pin B2 of connector socket CZ7, pin B3 of connector socket CZ7, pin B4 of connector socket CZ7, and pin B6 of connector socket CZ7 are all connected to the test hole K11 of pin 1 of connector socket CZ1.Pin 3 of connector socket CZ5 and pin B5 of connector socket CZ7 are both connected to the contact of relay J19; pin 2 of connector socket CZ1 is connected to the positive pole of the power supply via relay J18, pin 1 of connector socket CZ3, pin 4 of connector socket CZ5 and pin A3 of connector socket CZ7 are all connected to the test hole K12 of pin 2 of connector socket CZ1, pin 2 of connector socket CZ5 and pin A4 of connector socket CZ7 are both connected to the contact of relay J18; pin 1 of connector socket CZ4 and pin 3 of connector socket CZ8 are respectively connected to the negative pole of the power supply via resistors; the static contact of relay J16-1 is connected to the connector socket via a wire. The moving contact of relay J16-1 is connected to pin 1 of connector socket CZ3 through the cold soldering simulation resistor Rx; the circuit connection structure of relay J17-2 is similar to that of relay J16-1; relay J16-1 and relay J17-2 are respectively used to simulate the cold soldering of pin 1 of connector socket CZ3 and pin A3 of connector socket CZ7; relay J15-1 and relay J16-2 are respectively used to simulate the open circuit of pin 2 of connector socket CZ1 and pin 4 of connector socket CZ5; relay J17-2 and relay J15-2 are respectively used to simulate the short circuit of pins of connector socket CZ5 and connector socket CZ7.

[0182] In this embodiment, the circuit between pin 2 of connector socket CZ1 and its corresponding test hole K12 can be set to an open circuit via relay J15-1, and the circuit between pin 4 of connector socket CZ5 and its corresponding test hole K54 can be set to an open circuit via relay J16-2. Pins 2 and 3 of connector socket CZ5 can be set to a sticking fault via relay J17-1, and pins B5 and A4 of connector socket CZ7 can be set to a short circuit fault via relay J15-2. Pin 1 of connector socket CZ3 can be set to a cold solder fault via relay J16-1, and pin A3 of connector socket CZ7 can be set to a cold solder fault via relay J17-2. Similar to the relay drive circuit of the circuit measurement training module, the control end of the relay in the electrical connector training module is connected to the Arduino UNO interface board of the control cabinet via an optoelectronic isolation module.

[0183] During practical training, trainees use a multimeter to measure the test holes corresponding to the pins of the electrical connector socket connected by the cable to determine whether the electrical connection of the electrical connector is qualified. Similar to the circuit fault setting in the circuit measurement module, the instructor sets the faults of the electrical connector pins, such as cold solder joints, open circuits, and short circuits, through the user interface of the practical training section of the electrical connector training subsystem. The computer running the aviation maintenance basic maintenance skills training system software program outputs control signals to the corresponding relays through the controller, which activates and creates a fault in the electrical connector training module 3. The trainee uses a multimeter to test and analyze the electrical connector connection through the test holes on the electrical connector training module. The trainee enters the electrical connector fault detection and analysis results in the practical training test questions of the practical training section of the electrical connector training subsystem. The system automatically judges whether the trainee's fault analysis results are correct.

[0184] After the aviation maintenance skills practical training device is used, the outer cabin section 112 of the simulated cabin section assembly 11 is flipped downward to surround and seal the various modules on the main cabin section 111, thereby minimizing the space occupied by the aviation maintenance skills practical training device and protecting the various modules from damage during the storage or transportation of the aviation maintenance skills practical training device.

Claims

1. The basic aviation maintenance skills training system is characterized by: Including tool use training, fastening and insurance training, machine disassembly and assembly training, electrical welding and crimping training, circuit measurement training, electrical connector training, binding, wrapping and sorting training, machine cleaning and lubrication training, marking and marking training subsystem; Tool usage training subsystem, which provides training on tool identification, usage, and tool borrowing and returning procedures; The tool use training subsystem includes a theoretical learning section, a theoretical training section, and a practical training section. The theoretical learning section provides students with theoretical training on the identification and use of common tools and tool management systems through diagrams, audio and video, and text. The theoretical training section provides students with single-choice or multiple-choice test questions on tool identification and use, as well as tool borrowing and returning procedures. The practical training section provides students with practical training questions on tool identification and use. The fastening and insurance training subsystem provides knowledge training on fasteners, mechanical anti-loosening insurance, friction stop insurance, permanent stop insurance, as well as training on fastening and insurance operation processes; The component disassembly and assembly training subsystem provides training on the structure, identification, damage causes, and preventive maintenance measures of aviation components; The tightness inspection training subsystem provides theoretical training on pipeline application and pipeline tightness inspection operation process, as well as practical training on pipeline group tightness testing and pipeline leak detection; The electrical welding and crimping training subsystem provides theoretical training on welding, crimping and electrostatic protection of electronic components, plugs, buttons and cables; The circuit measurement training subsystem provides theoretical training on circuit detection and analysis and judgment of circuit breaks, cold solder joints, disconnections, and adhesion faults; The electrical connector training subsystem provides theoretical training on electrical connector knowledge, electrical connector technology, and fault analysis and judgment of electrical connector cold soldering, open circuit, and short circuit. The lashing, wrapping and finishing training subsystem provides theoretical training on lashing and finishing methods and lashing and finishing techniques; The machine parts cleaning and lubrication training subsystem provides theoretical training on cleaning oils and lubricating greases, as well as cleaning and lubrication processes for machine parts, pipes, joints, electrical contacts, circuit boards, connectors, and steel cables. The Marking and Marking Training Subsystem provides theoretical training on aviation field marking, definition and function of marking, classification of marking, production of marking, specification of marking, and operating instructions of marking; The system also includes an aviation maintenance skill practical training device, which includes a platform with a storage drawer and a simulated cabin section assembly, an electrical welding training table, and a control cabinet arranged on the platform. The simulated cabin section assembly includes a main cabin section with a support beam and an outer cabin section that is flipped and matched with the main cabin section. The practical training device also includes a component disassembly and assembly training module, a fuse disassembly and assembly and fastening training module, an electrical connector training module, a circuit measurement training module, a lashing training module, a catheter disassembly and assembly module, a leak inspection training module, a support equipment training module, and a tool borrowing and returning management module, which are arranged on the main compartment; The machine disassembly and assembly training module includes a switch control box with various aviation switches, a landing switch, a contactor, a cable assembly, and screw hatches, cross-pin window covers, and quick-release screw window covers arranged on the outer compartment section; The safety disassembly, assembly and tightening training module includes a self-locking nut safety set, a circlip pin safety set, a cotter pin safety set, a fuse set, a spring washer safety set, a locking plate safety set, a punch point safety set, a double nut safety set, as well as a stud tightening set, a fixing pin set, a screw tightening set and a pipe tightening set; The electrical connector training module includes multiple groups of electrical connector sockets arranged in pairs, the paired electrical connector sockets being connected to each other via pluggable electrical connector cables, each electrical connector socket being provided with a corresponding number of test sockets according to the number of its pins, the pins of the electrical connector socket being electrically connected to the conductive terminals of the corresponding test sockets; the pins of the electrical connector sockets simulating an open circuit or a cold solder joint are connected to the conductive terminals of the corresponding test sockets via a relay, the control end of the relay is connected to a controller, and the open circuit module or cold solder joint simulation is set by controlling the relay; two pins of the electrical connector socket simulating a short circuit are connected via a relay, the control end of the relay is connected to the controller, and the short circuit is set by controlling the relay; The electric welding training table includes an electronic component welding operation table and a lighting lamp, a leakage protection switch, a circuit board power supply interface and an electric welding interface arranged above it. It also includes a drawer for holding solder wire and flux under the electronic component welding operation table; The control cabinet includes a cabinet body arranged on a stand, a computer host arranged in the cabinet body, and a touch display, a data acquisition card, and a controller respectively connected to the computer host. The control end of the relay group is connected to the controller via a photoelectric coupler, and the contacts of the relay group are respectively connected to the circuit measurement training module and the electrical connector training module. The circuit measurement training module includes a signal generating circuit and a logic control circuit. Relays and multiple test holes are set in multiple branches of the signal generating circuit. The control ends of the relays are respectively connected to the logic control circuit. The logic control circuit controls the connection and disconnection of the contacts of the relays in the signal generating circuit branches, simulating disconnection, cold soldering, disconnection, and adhesion faults of the signal generating circuit branches, which is used to train trainees' circuit measurement and circuit fault analysis and judgment capabilities. The lashing training module includes multiple sets of vertically arranged one-to-two cables and horizontally arranged one-to-multiple cables crossing them; The conduit disassembly and assembly module includes an oil-tight training tube group and an air-tight training tube group. The oil-tight training tube group includes multiple sections of metal conduits, and the ends of adjacent metal conduits are connected through pipe joints; an oil exhaust joint is provided at the top of the oil-tight training tube group, and an oil drain joint is provided at the bottom of the oil-tight training tube group; The airtight training tube set includes a metal conduit, a cloth-reinforced rubber hose, and a rubber hose; the ends of the cloth-reinforced rubber hose and the rubber hose are respectively connected to the ends of adjacent metal conduits via connecting joints; the ends of adjacent metal conduits are connected via pipe joints; The support equipment training module includes a ground power plug, oil filling port, air conditioning filling port, plug, plug, ground safety latch and engine exhaust pipe plug; The tool borrowing and returning management module includes a tool storage box set on the side of the control cabinet and a slot for holding a scanner set on the top of the control cabinet. It also includes multiple trays for storing training tools and a scanner for scanning tools.

2. The aviation maintenance basic maintenance skills training system according to claim 1, characterized in that: The system also includes a support equipment use training subsystem, which provides theoretical training on support equipment knowledge and support equipment use skills.

3. The aviation maintenance basic maintenance skills training system according to claim 2, characterized in that: The system also includes a training management module, which includes student management, test question management, test paper management, and test result management submodules; The student management submodule provides information management of student numbers, names, majors, positions, and ranks; The test question management submodule provides information management of the test content and answers of the theoretical training question bank and the practical training question bank; The exam paper management submodule provides exam paper selection by major, sets the passing score and exam duration, and selects students to take the exam; The test result management submodule provides information management of test papers, students, scores, pass / fail, and test time.

4. The aviation maintenance basic maintenance skills training system according to claim 3, characterized in that: The training management module also includes an equipment management submodule, which provides information management of training equipment and equipment and spare parts.

5. The aviation maintenance basic maintenance skills training system according to claim 4, characterized in that: The training management module also includes a training media resource management submodule, which provides information management of media types, media resource data, media resource drivers, and paths or addresses of media resources.

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