1-24 /32/48Series 50/100A Charge 120/150/200/300/500A Discharge Battery Management System Testing Machine Bms Tester For Battery Pack Testing
Function introduce
1) 1-24/32/48series battery management system tester, high degree of automation, fast testing speed and high testing accuracy. With test function of overcharge protection, overcharge recovery, overdischarge protection, overdischarge recovery, overcurrent protection (overcharge current and overdischarge current), internal resistance, self-consumption, short circuit protection, overcharge protection time, overcurrent protection time, overdischarge protection Time, balance current, balance voltage etc.
2) It can test the BMS of MCN battery, LiFeO4 battery and cobalt acid battery.
3) This machine is required to be connected to a computer, the system generally requires an XP system, the interface of tester and computer is RS232.
Principle:
The lithium battery protection board testing instrument is mainly based on electronic measurement technology and micro-control technology.
It applies specific voltage, current and other signals to the protection board to simulate the situation of the battery in various working states,
and then detects the response of the protection board, such as whether the functions of overcharge protection, overdischarge protection,
and overcurrent protection are functioning properly, as well as monitoring the accuracy of relevant parameters.
Characteristics:
High-precision measurement: It can accurately detect various performance indicators of the protection board.
Multi-function integration: It can test multiple protection functions and parameters simultaneously.
Automated operation: Reduce manual intervention and improve testing efficiency and accuracy.
Strong stability: Ensure long-term stable operation and reliable data.
Applications:
Lithium battery protection board production: Conduct quality inspection and performance evaluation of the protection board on the production line.
R & D and debugging: Help R & D personnel to verify and optimize the debugging of the newly designed protection board.
Quality inspection department: Used for product quality supervision and inspection.
Battery assembly enterprises: Ensure that the used protection board meets the requirements to guarantee the safety and performance of the battery pack
The following are the basic steps for generally testing the protection board with a lithium battery protection board testing instrument:
1. Connect the testing instrument and the protection board: Connect the corresponding interface of the testing instrument to the pins of the protection board and so on in the correct way.
2. Set the test parameters: According to the items to be tested, set appropriate parameters such as voltage, current, and time on the testing instrument.
3. Overcharge protection test: Gradually increase the input voltage, observe whether the protection board can accurately trigger the protection action when reaching the overcharge threshold, cut off the charging circuit, and record the relevant data.
4. Overdischarge protection test: Continuously discharge to reduce the battery voltage, and see if the protection board can effectively activate the protection when reaching the overdischarge threshold, stop discharging, and record the corresponding data.
5. Overcurrent protection test: By applying a large current, verify whether the protection board can timely carry out current limiting or cut off the circuit protection reaction when the current exceeds the set value, and collect relevant information.
6. Short-circuit protection test: Simulate the short-circuit situation to detect whether the short-circuit protection function of the protection board is normal.
7. Balancing function test (if any): For the protection board with the balancing function, test its balancing effect and performance.
8. Repeat the test: To ensure accuracy, multiple repeat tests can be conducted.
9. Analyze the test results: Compare the test data with the standard requirements to judge whether the performance of the protection board is qualified. It should be noted that the specific operation steps may vary due to different testing instrument
models and protection board types. Before the actual operation, the relevant instructions of the testing instrument and the protection board should be carefully read.
The following are some development trends of the lithium battery protection board testing instrument:
1.Intelligence and Automation: The testing instrument will become more intelligent and be able to automatically complete complex testing processes, reducing manual intervention and improving testing efficiency and accuracy.
It has intelligent diagnosis and fault early warning functions, and can provide real-time feedback on problems.
High Precision and High Stability: In order to evaluate the performance of the protection board more accurately, the measurement accuracyof parameters such as voltage and current of the instrument will continue to improve,
while maintaining long-term stable operation to ensure reliable test results.
Multi-Functional Integration: It is no longer limited to the test of a single function,
but integrates multiple testing functions such as overcharging, overdischarging, and overcurrent into one, realizing one-stop testing and reducing equipment costs and operational complexity.
Real-Time Data Analysis and Storage: It can collect and analyze a large amount of test data in real time and perform efficient storage to facilitate subsequent traceability and in-depth research. The data analysis ability is continuously enhanced to provide a more comprehensive performance evaluation.
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