The software is used for the teaching of theory teaching and practical training of simulation of automotive testing and maintenance and related majors, which can greatly improve the teaching efficiency and teaching effect.
II. Software Version Requirements
Network version
III. Running Environment Requirements
The minimum hardware configuration of computer system required for software operation: CPU not less than Pentium4 2.0GMHZ, operation system is Windows 2000/XP, more than 256MB of RAM, more than 32MB of video memory.
IV. Software Features and Performance Parameters Requirements
1. The software adopts C / S structure, and the network only transmits system data to ensure good performance of client software during runtime, and will not be affected by network traffic.
2. The basic functions of the module are: 3D auto parts structure display, principle introduction, fault repair.
3. The module uses a three-dimensional virtual approach to display the components of each assembly and their positional relationships, allowing for zooming in, zooming out, rotating, and moving of each assembly and component.
4. After setting the fault, the module displays the fault phenomenon, and the relevant simulation testing instruments can be used for fault detection and troubleshooting.
5. The failure maintenance assessment of the module can record such information as the duration for failure elimination, paper handing-in time, the number of correct troubleshooting operations, question numbers of wrongly answered items, wrongly chosen options and total scores. Such information can be inquired and printed out in the assessment system management terminal by name of student, examination number and paper handing-in time, and becomes the evaluation basis of failure diagnosis operation. It has assessment system that contains relevant questions bank. Questions bank can either be automatically and randomly generated in assessment or generated through custom settings.
6. The module features expansibility and thus teachers can edit teaching plans in the software.
7. Three-dimensional animation and graphic animation are adopted to introduce operating principles of various systems.
V. Product Technical Parameters
3.1 It contains six modules of electronically controlled engine (Corolla 2ZR), automatic transmission (U341E), anti-lock braking system, power steering system, electronically controlled suspension and electrical system.
3.2 The electronically controlled engine module is modeled on Toyota's technologically advanced Corolla 2ZR engine and contains the basic structure, operating principles, and fault repair functions.
3.2.1 The module introduces in detail the basic structure of each assembly of the Corolla 2ZR electronically controlled engine in a three-dimensional virtual way, including cylinder head assembly, body assembly, camshaft assembly, piston assembly, crankshaft connecting rod mechanism, oil pump assembly, oil pan assembly, starter assembly, intake manifold assembly, generator assembly, front cover assembly, intake pipe part and exhaust pipe and overall structure, and each assembly and part can be zoom in, zoom out, rotate, move, etc.
3.2.2 The module can provide the introduction of the principle of sensors commonly used in electronically controlled engines and the principle of electronically controlled engine circuits, including the principle of throttle position sensor, coolant temperature sensor, crankshaft position sensor, oxygen sensor principle, detonation sensor principle, starting system principle, air flow meter principle, air distribution mechanism three-dimensional display principle animation, lubrication system, cooling system, etc. In addition, the module provides a lesson plan customization interface, the user can customize the content of the lesson plan.
3.2.3 The module provides common sensor and circuit fault settings (35 faults) for the Corolla 2ZR engine, which can be set; The module can simulate the detection of "engine data list" and "engine DTC information" through a fault diagnosis instrument; The module can simulate the detection of resistance and voltage through a multimeter, and provide different measurement ranges. The module can simulate and detect the output waveform of engine sensors through an oscilloscope, including normal waveforms and fault waveforms; It can determine the faulty component based on the fault detection results, and after replacing the faulty component, the system fault is eliminated.
3.3 The automatic transmission module is modeled on the Toyota U341E automatic transmission and contains four functions: basic structure, working principle, fault repair and fault assessment.
3.3.1 The module can demonstrate the planetary gear mechanism, each gear clutch, differential, one-way clutch, torque converter, brake and other automatic transmission components in three dimensions; It can express the parts of each assembly and the position relationship between them, and the assemblies and parts can be enlarged, reduced, rotated, moved, etc.
3.3.2 The module provides automatic transmission mechanical working principle and oil circuit working principle, where the mechanical working principle includes planetary gear working principle, hydraulic torque converter working principle, differential working principle, each gear clutch working principle, brake working principle, one-way clutch working principle, etc.
3.3.3 The module provides 30 common fault settings for sensors and circuits of the U341E automatic transmission, and can be set up for faults; The module can simulate the detection of "automatic transmission data flow" and "fault code information" using a fault diagnostic instrument; The module uses a multimeter to simulate the detection of resistance and voltage, and provides different measurement ranges; The module uses an oscilloscope to simulate the detection of the output waveform of each sensor of the automatic transmission, including normal waveform and fault waveform; The module determines the faulty parts according to the fault detection results, and after replacing the faulty parts, the fault of the system will be eliminated.
3.4 Anti-lock braking system contains the basic structure, working principle, failure repair functions.
3.4.1 The module provides a three-dimensional virtual display of the overall structure of ABS, ABS hydraulic unit, brake master cylinder, vacuum booster, brake wheel cylinder, brake caliper, brake disc, brake pad, brake pedal, front axle assembly and other assembly components, and each assembly and component can be enlarged, reduced, rotated, moved, etc.
3.4.2 The module provides the working principle of ABS system, wheel speed sensor, vacuum booster, master cylinder, disc brake, brake system.
3.4.3 The module provides common fault setting of anti-lock braking system, capable of fault setting, and provides testing tools such as digital multimeter and fault diagnostic instrument for testing.
3.5 The power steering system module contains 2 functions of basic structure and working principle.
3.5.1 The module provides three-dimensional structures of power steering, power steering pump, power steering linkage assembly, steering column, steering wheel and overall structure, and can zoom in, zoom out, rotate and move each assembly and component, which is more visual and intuitive.
3.5.2 The module can use 3D animation combined with 2D to express the steering principle (left and right turn) and the working principle of the rotary valve steering controller, which vividly and intuitively shows the system pressure change law and working principle of the power steering system.
3.6 The electronically controlled suspension module contains the basic structure, working principle, and fault repair functions.
3.6.1 The module provides suspension actuator, air suspension, height sensor, air storage tank, air compressor structure and overall structure. The three-dimensional virtual way is used to express the parts of each assembly and the position relationship between them, and each assembly and part can be enlarged, reduced, rotated, moved and other operations.
3.6.2 The module provides anti-sway control principle, anti-nodding control principle, anti-sit control principle, high speed control principle, bad road control principle, automatic height control principle and off ignition switch control principle.
3.6.3 The module provides fault repair practice function, which can be used for fault setting, detection and troubleshooting.
3.7 The electrical system module provides a comprehensive introduction to the basic structure, operating principles, and fault repair functions.
3.7.1 The module can provide the basic structure of generator, starter motor, common headlight, dynamic turning headlight, rear combination light, car speaker, car mirror, electric door lock, electric crank window, wiper motor, seat belt pretensioner structure, car audio system diagram, airbag system diagram, auxiliary reversing system, etc., and some assemblies and parts can be enlarged, reduced, rotated, moved, etc.
3.7.2 The module provides three-phase AC principle, starting system circuit principle, charging system circuit principle, headlight circuit principle, front and rear turn signal circuit principle, front and rear fog light circuit principle, radar basic principle, airbag basic principle, seat belt tensioner principle, front wiper circuit principle, etc.
3.7.3 The module provides common fault setting of electrical system, capable of fault setting, and provides testing tools such as digital multimeter and fault diagnostic instrument for testing.