Product model: NZX-46
Main parameters:
Power system voltage: DC72V
Vehicle type: pure electric passenger car
Technology type: pure electric
Working temperature: -20℃~50℃
Machine weight: 100kg
Dimensions: 1250*1100*1750mm
Performance characteristics:
1. Voltage: 10-20 cells, cell voltage: 2-5V;
2. Temperature: 2 temperature measurement points, temperature protection: charging -40~65℃, discharging -40~70℃;
3. Overcharge protection voltage 4.25V ±0.05V, overcharge protection delay 1S;
4. BMS touch control screen: 4.3-inch touch + 485 color display. Intelligent lithium battery protection board: overcharge protection, power balance, over-discharge protection, overcurrent protection, short circuit protection, temperature protection;
5. The equipment is equipped with a digital voltmeter to display the total power supply voltage, maintenance switch, emergency stop switch, charging switch (load discharge car heater), discharge switch, power indicator light, one-button start switch, detection display switch;
6. The frame is made of aluminum alloy profiles. The frame is equipped with an operating platform to place tools, materials and other items for convenient teaching. The control cabinet is equipped under the operating platform for convenient material placement;
7. The base of the training table is equipped with Self-locking casters are provided for easy movement at any time;
8. The training platform is equipped with a main power switch, a protective net and other safety protection devices, which are convenient for cutting off the main power supply and providing safety protection;
9. The equipment has 4 parallel test stations and can also have the function of expanding the station. The 4 stations can measure the voltage signals of the power battery pack and each single cell at the same time. The measuring panel is made of acrylic material, which is anti-aging and corrosion-resistant. The battery cell number and circuit connection diagram are sprayed on the panel surface;
10. Equipped with equipment training instructions, the contents of the instructions include daily maintenance, maintenance information, operation Specifications, operating procedures, operating precautions, etc.;
11. The equipment is equipped with a training QR code. Teachers and students can use the comprehensive information platform of vocational education (APP) to scan the QR code to watch the teaching video of this stand, including: equipment use specifications, operating precautions, equipment maintenance methods, etc.;
12. Training projects:
1. Recognition of the control principle of new energy power battery pack (BMS); 2. Recognition of the functions of the main components of new energy power battery pack (BMS); 3. The logical control relationship under various states of new energy power battery pack (BMS), mastering the change rules of parameters such as current, voltage, battery pressure difference, and battery temperature; 4. How BMS collects the pressure difference of power battery pack and controls the charging and discharging process training experiment; 5. How BMS collects the temperature difference of power battery pack and controls the charging and discharging process training experiment; 6. Safety precautions for the operation of new energy high-voltage system, high-voltage connector plug-in method training experiment; 7. Fault analysis and diagnosis of new energy power battery pack (BMS); 8. Disassembly and maintenance training of new energy power battery pack (BMS); 9. CAN bus test and control training of new energy power battery (BMS) management system.