DYXNYQD-14 electric vehicle power system experimental device
Release time：2024-05-25 22:00viewed：times
1. Product introduction:
It is produced using real components of the pure electric vehicle drive system (48V1KW brushless DC motor ) to demonstrate the structure and working principle of the pure electric vehicle drive system. It is suitable for all kinds of colleges and universities to conduct theoretical and m*ntenance tr*ning on pure electric vehicle drive systems. Disassembly and m*ntenance, structure and principle understanding, system operation, dynamic demonstration of functions, fault detection and diagnosis teaching needs.
2. Product functions
1. Install the real components of the pure electric vehicle drive motor and control system, including charger and charging socket, drive motor, ignition switch, motor controller, gear switch, accelerator pedal, power switch, relay, DC-DC Modules, instruments, batteries and other modules, real operational pure electric vehicle drive motors and control systems, displaying the structure and principles of the system, and dynamically demonstrating the working process of the system.
2. Achieve understanding of the structure and principles of the drive motor and control system of pure electric vehicles, experience the relationship between the driver's intention and the operation of the motor, and complete various performance tests of the drive motor and control system.
3. The panel is made of 4mm thick aluminum-plastic plate, and the vertically installed panel is UV flatbed inkjet printed with a complete color standard system drawing board; students can visually compare the drawing board with the actual object to understand and analyze the working principle of the system.
4. There are detection terminals installed on the panel, which can directly detect the electrical signals of system circuit components on the panel, such as resistance, voltage, current, frequency signals, etc.
5. The multi-functional instrument truly displays system current and voltage, speed, gear and other data changes.
6. It has a diagnostic interface and can read system data flow information (including brake switch, gear position, motor speed, voltage and current, electronic throttle, etc. working status) and fault content through the host computer software.
7. The installation of a fault simulation system can realize fault setting and diagnosis and elimination of low-voltage circuit systems. It can set up 12 common fault settings and assess fault points.
8. The equipment frame is constructed of two integrated all-aluminum alloy profiles, 40mm×40mm and 40mm×80mm, which are oil-resistant, corrosion-resistant and easy to clean. The table is 40CM wide and paved with 32mm thick colored high-density composite boards, which is durable and rust-free. , with 4 swivel casters with self-locking devices for easy movement.
9. Supporting teaching materials such as practical tr*ning (experiment) instructions, including working principles, practical tr*ning projects, fault settings and analysis and other key points.
10. Install safety protection devices: emergency stop switch, mechanical m*n power switch, m*ntenance switch, protective cover for rotating parts, high-voltage safety protection devices and warning prompts.
11. Mechanical assembly and fitter assembly virtual simulation software: This software is developed based on unity3d, with optional 6-level image quality. It is equipped with the design and virtual disassembly and assembly of reducers and shafting structures, the design and simulation of common mechanical mechanisms , and a mechanism resource library. For a typical mechanical mechanism (virtual disassembly and assembly of a gasoline engine), the software is a whole software and cannot be individual resources.
A. Reducer design and virtual disassembly interface can choose worm gear bevel gear reducer, two-stage expanded cylindrical gear reducer, bevel cylindrical gear reducer, coaxial cylindrical gear reducer, bevel gear reducer, and one-stage cylindrical gear reducer. Gear reducer.
Worm bevel gear reducer: After entering the software, the assembly content is automatically played. Each step in the video has a text description
. Secondary expandable cylindrical gear reducer: After entering the software, the content is played in the form of a video. The video content should include: Part name ( Scan the QR code to see the names of parts), disassembly and assembly demonstration (including disassembly and assembly), virtual disassembly (including overall, low-speed shaft, medium-speed shaft, high-speed shaft, box cover, box seat)
conical cylindrical gear reducer, Coaxial cylindrical gear reducer, bevel gear reducer, first-level cylindrical gear reducer: click to enter and automatically jump to the edrawings interface. The models are all three-dimensional models . By clicking on the parts, the names of the parts are displayed, and the 360° view is av*lable Rotate, enlarge, reduce, translate, and at the same time, the entire reducer can be disassembled and assembled through the moving parts function. At the same time, you can select the home button to return to the original state of the reducer. The bevel gear reducer and first-stage cylindrical gear reducer have added the function of inserting a cross section, and the cross section can be freely dragged to observe the internal structure of the reducer.
B. Shaft structure design and virtual disassembly and assembly interface optional parts recognition, disassembly and assembly demonstration, and actual operation.
1. Parts recognition: three-dimensional model and part name including helical gear, non-hole end cover, coupling, coupling key, shaft, gear key, hole end cover, shaft sleeve, deep groove ball bearing, any All parts can be rotated 360°
2. Disassembly and assembly demonstration: There are 2 built-in cases. When you move the mouse to the position of a cert*n part (except the base and bearing seat), the part will automatically enlarge and the name of the part will be displayed. It is equipped with disassembly and Assembly button, the function is to automatically complete the disassembly and assembly of the shaft system structure by the software. All three-dimensional scenes can be rotated, enlarged, reduced and translated 360° in all directions.
3. Practical operation: The three-dimensional parts are neatly placed on the table. Students manually select the corresponding parts and move them to the shaft system structure. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to restart. Conduct virtual experiments. When you move the mouse to a cert*n part position (except the base and bearing seat), the part will automatically enlarge and the part name will be displayed.
C. Common mechanical mechanism design and simulation, optional hinge four-bar mechanism design and analysis, I\II type crank rocker mechanism design and analysis, offset crank slider mechanism design and analysis, crank swing guide rod mechanism design and analysis, hinge Four-bar mechanism with integrated trajectory, eccentric linear-acting roller push rod cam , and centering linear-acting flat-bottomed push rod cam .
1. Each mechanism should be able to input corresponding parameters, and the software can automatically calculate the parameters, and can perform motion simulation and automatically draw curves.
D. The mechanism resource library includes 11 types of planar link mechanisms, 5 types of cam mechanisms, 6 types of gear mechanisms, 8 types of transmission mechanisms, 11 types of tightening mechanisms, 6 types of gear tr*n mechanisms, and 8 types of other mechanisms (mechanical equipment simulation)
E , Virtual disassembly and assembly of gasoline engines, optional crankcase assembly and disassembly demonstration, crankcase virtual assembly, valve tr*n assembly and disassembly demonstration, valve tr*n virtual assembly
1. Both the crankcase assembly and disassembly demonstration and the gas distribution system assembly and disassembly demonstration are equipped with disassembly buttons, assembly buttons, restart, and disassembly observation buttons. When the mouse is moved to a cert*n part position, the part will automatically enlarge and the part name will be displayed. , the function is to automatically complete the disassembly and assembly of the shaft system structure by the software. When the decomposition observation button is used, the 3D model of the crankcase or gas distribution system automatically displays an exploded view, which can be rotated, enlarged, reduced, and translated 360°.
2. The 3D parts of the crankcase virtual assembly and the gas distribution system virtual assembly are neatly arranged When placed on the desktop, students manually select the corresponding parts and move them to the mechanism. The parts can be installed only when they are placed in the correct order and in the correct position. There is a restart button to facilitate students to re-perform the virtual experiment. When you move the mouse to cert*n part locations, the part names are automatically displayed.
3. Technical specifications
1. Overall dimensions (mm): 1500×700×1700 (length×width×height)
2. Panel dimensions (mm): 1448×940mm (length*width)
3. Mobile casters: 100*60mm
4 .Operating temperature: -40℃～+50℃
5. Drive motor and controller: DC48V 1kw 3000rpm (DC brushless motor)
6. Battery: Lithium iron phosphate power battery pack 48V20AH with charger
7. Braking device: 2 Wheel Hydraulic Braking
4. Practical tr*ning (experimental) items
1. Drive motor and control system m*ntenance, operation, structure, principle, function, fault diagnosis and rep*r of drive motor and control system;
2. Motor performance and energy management testing;
3 .Structure principle and function of manual m*ntenance switch;
4. Protection function of high-voltage interlock;
5. Working principle and pin definition of vehicle charger, common faults and replacement of vehicle charger, battery charging operation;
6. Working principle of DC-DC converter and pin definitions, DC-DC conversion common faults and replacement;
7. Electronic accelerator pedal working principle and pin definition, electronic accelerator pedal common faults and replacement;
8. Gear controller (switch) working principle and pin definition, Common faults and replacement of gear controller (switch);
9. Disassembly, assembly and m*ntenance of pure electric vehicle power system, structure and principle understanding, system operation, dynamic demonstration of functions, fault detection and diagnosis.
5. Basic configuration
detection control panel (equipped with various detection terminals, 1448×940mm color circuit diagram and working principle diagram), combination instrument, ignition switch, motor controller, vehicle charger and charging interface, DC-DC converter, lithium Power battery pack, electric vehicle motor (brushless DC motor) and gearbox, rear left and right hydraulic brake devices, drive axle transmission device, brake switch, gear switch, throttle control device, high current relay, m*n power switch, emergency Stop switch, auxiliary battery (12V45AH), integrated all-aluminum alloy profile mobile stand (1500×700×1700mm (with self-locking caster device, principle panel with detection terminals, panel 1448×940mm), fault assessment system , Equipment operating instructions.
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