DYXNYDC-12 Power battery performance detection experimental device
Release time：2024-05-25 05:30viewed：times
1. Product introduction:
The m*nstream new energy lithium iron phosphate power battery pack is selected. The single battery is 3.2V 10AH, with a total of 16 strings. The all-in-one BMS battery management system with CAN bus has a passive balancing function; it truly presents the lithium iron phosphate power. The connection control relationship, installation location and operating parameters between the core components of the battery pack, as well as the safety precautions for high-voltage systems, and tr*n students' ability to analyze and handle lithium iron phosphate power battery pack (BMS) faults. It is suitable for understanding and verifying the power battery parameters of electric vehicles for real-time monitoring, fault diagnosis, SOC estimation, short-circuit protection, insulation detection, charge and discharge control, equalization and other functions, and can be integrated with the vehicle controller or charger through the CAN bus. Information interaction, BMS teaching and tr*ning experiments to ensure efficient, reliable and safe operation of electric vehicles
. Suitable for power battery performance testing: teaching and tr*ning experiments on charging, discharging, capacity, internal resistance testing, and online monitoring.
2. Functional features
1. A real and operable new energy power battery charging and discharging assembly that fully demonstrates the composition structure and logical control relationship of each m*n component.
2. The m*n components are installed on the tr*ning platform , and the electrical connection method is the same as that of the actual vehicle, which can be easily disassembled, allowing students to master the key points of disassembly and assembly of high-voltage system components and safety protection during the disassembly, assembly and wiring process.
3. The BMS battery management system has a passive balancing function and switch control protection (single disconnection, short circuit, overvoltage, undervoltage, overcurrent, overtemperature), communicates with the charger via CAN, and controls the work of the on-board charger through BMS. Estimate SOC (state of charge), etc.
3.1 It has single voltage data collection , total voltage data collection, current collection, and temperature collection.
3.2 It has complete fault level alarm functions, including voltage, current, temperature and other fault alarms.
3.3 has SOC estimation function.
3.4 It has charge and discharge control function.
3.5 has passive balancing management function.
3.6 System switch passive mechanical contacts.
4. The power battery pack display (7-inch touch screen) is installed on the panel. You can observe various parameters of the charging and discharging process, and understand the control logic of the charging and discharging process of the power battery pack and the changing rules of the m*n component parameters.
(It is equipped with BMS upper computer detection and calibration software that can operate normally).
5. The tr*ning platform is equipped with a discharge module to simulate the vehicle energy consumption process. The discharge current size can be selected. The power battery pack is equipped with a new energy vehicle mechanical m*ntenance switch, and the upper cover can be opened for observation; high-voltage electrical connectors are all national standard products with reliable performance.
6. The tr*ning platform is equipped with a 12V power ground mechanical switch, which can disconnect the 12V ground at any time and cut off the power supply of the entire system.
7. The power battery pack output line is equipped with a mechanical disconnection emergency switch, which is suitable for easily disconnecting the m*n power circuit in an emergency.
8. The UV flatbed inkjet color panel completely displays the working principle diagram of the power battery pack, charging and discharging and is equipped with detection terminals, which can detect parameter changes in various states in real time.
9. The tr*ning platform consists of a mobile tr*ning platform (with a principle panel). The tr*ning platform is placed horizontally and the m*n components are installed. 4 casters are installed on the bottom of the tr*ning platform, which allows flexible movement. The casters have self-locking devices and can be fixed in position. .
10. Equipped with a fault setting and assessment system, with no less than 12 fault points.
11. 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 countertop 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.
12. Equipped with teaching materials such as practical tr*ning guides, which fully describe the working principles, practical tr*ning projects, fault settings and analysis and other key points.
13. 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, crankcase assembly and disassembly demonstration and valve tr*n assembly and disassembly demonstration both have disassembly button, assembly button, restart, and decomposition observation button. When the mouse is moved to a cert*n part position, the part will automatically enlarge and the part name will be displayed. The software automatically completes the disassembly and assembly of the shaft system structure. 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): 1500×700×1700mm (length*width*height)
2. Input power supply: AC220V±10% 50Hz
3. Working power supply: DC12V
4. Power battery type: Environmentally friendly iron phosphate Lithium power battery (single cell 3.2V10AH)
Number of power battery strings: 16
Working temperature: -20°～60°
5. BMS lithium battery management machine: with CAN communication
6. Power battery pack display: 7-inch touch screen
7. High voltage High current relay: Coil voltage: 12VDC, maximum rated operating voltage: 1000VDC, rated current: 400A.
4. Practical tr*ning projects
1. Cognition of new energy power battery pack (BMS) control principles.
2. Functional understanding of the m*n components of the new energy power battery pack (BMS).
3. Understand the logical control relationships of new energy power battery packs (BMS) in various states, and understand the changing patterns of parameters such as current, voltage, battery voltage difference, and battery temperature.
4. Practical tr*ning experiment on how BMS collects the pressure difference of the power battery pack and controls the charging and discharging process.
5. Practical tr*ning experiment on how BMS collects the temperature difference of power battery pack and controls the charging and discharging process.
6. Safety precautions for the operation of new energy high-voltage systems, and practical tr*ning experiments on high-voltage connector plugging and unplugging methods.
7. New energy power battery pack (BMS) fault analysis and diagnosis.
8. Practical tr*ning on disassembly, assembly and m*ntenance of new energy power battery packs (BMS).
9. New energy power battery (BMS) management system CAN bus testing and control tr*ning.
10. Power battery performance testing tr*ning experiment.
5. Basic configuration:
lithium iron phosphate power battery pack, BMS lithium battery management machine (battery management system, with CAN bus communication/CC, CP control line, charging wake-up signal control), power battery pack 7-inch touch display, vehicle charger , national standard charging socket, national standard charging gun, emergency power-off switch, Hall current sensor , DC contactor (including charging relay, total positive relay, total negative relay, precharge relay), DC-DC converter, auxiliary battery (12V45AH ), discharge control relay and discharge load, battery data processing hardware and software, precharge resistor, linearly adjustable discharge load, integrated all-aluminum alloy profile mobile stand (1500×700×1700mm with self-locking caster device, with installation Principle panel for detecting terminals, panel 1448×940mm), fault simulation and troubleshooting device, and equipment operating instructions.
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