With the booming development of the electric bicycle industry, the performance, safety and reliability of batteries as its core power source have attracted much attention. The BMS (battery management system) test system equipment plays an indispensable role in ensuring the high-quality use of electric bicycle batteries. The following are its specific applications in the industry.

1. Battery performance detection and optimization

In the production process of electric bicycle batteries, the BMS test system equipment is first used to accurately detect various performance indicators of the battery. By connecting the battery pack, it can monitor key parameters such as battery voltage, current and temperature in real time. For example, the voltage sensor can accurately measure the voltage of each battery cell to ensure that it is within a reasonable range and avoid overcharging or over-discharging, as both of these situations will seriously damage the battery life and performance. The current sensor can clearly record the current size of the battery during charging and discharging, so as to evaluate the charging and discharging efficiency of the battery and provide a basis for optimizing the charging strategy.

At the same time, with the help of the data analysis function in the BMS test system equipment, the battery capacity, internal resistance and other parameters can also be deeply analyzed. Through multiple charge and discharge tests and collecting relevant data, the actual capacity of the battery can be accurately estimated, whether it has reached the nominal capacity, and the changes in the internal resistance of the battery can be monitored, so as to promptly detect signs of battery aging or performance degradation, thereby adjusting and optimizing the production process and formula of the battery.

2. Safety assurance and fault warning

In the daily use of electric bicycles, the safety of the battery is crucial. The BMS test system equipment can continuously monitor the battery status and immediately issue a warning signal once an abnormality is detected. For example, when the battery temperature is too high, it may be caused by overcharging, poor heat dissipation, or internal short circuit of the battery. The BMS test system equipment will promptly issue an alarm to remind the user to stop using it and take corresponding measures, such as checking whether the charger is normal and whether the battery cooling system is blocked.

In addition, when the battery has overcharge, over discharge, short circuit and other faults, the BMS test system equipment can quickly cut off the battery's charge and discharge circuit to prevent further damage and possible safety accidents, such as battery fire and explosion. This real-time safety monitoring and fault warning mechanism greatly improves the safety of electric bicycle battery use.

3. Accurate estimation of driving range

For electric bicycle users, driving range is a key concern. BMS test system equipment can provide users with a relatively accurate estimation of driving range by accurately estimating the battery's state of charge (SOC). It comprehensively calculates the approximate mileage that can be traveled based on factors such as the current remaining power of the battery, the discharge characteristics of the battery, and the driving power of the electric bicycle.

In this way, users can clearly understand how far their electric bicycles can travel before traveling, arrange their trips reasonably, and avoid the embarrassing situation of being stranded halfway due to insufficient power. It also helps to improve user satisfaction with electric bicycle products.

4. Battery balancing management

The battery pack of an electric bicycle is usually composed of multiple battery cells. Due to differences in manufacturing processes and usage environments, there may be voltage inconsistencies between the individual cells. The BMS test system equipment can manage the voltage balancing of the individual cells in the battery pack through its balancing function.

When it is detected that the voltage of a battery cell is too high or too low, the BMS test system equipment will start the balancing circuit to transfer the power of the over-voltage cell to the under-voltage cell, or adjust the voltage of each cell in other ways to keep them at a relatively consistent level, thereby extending the overall life of the battery pack and improving the performance and efficiency of the battery pack.

In summary, the application of BMS test system equipment in the electric bicycle industry covers many important aspects such as battery performance testing, safety assurance, mileage estimation, and battery balancing management. It effectively improves the quality and user experience of electric bicycle batteries and promotes the healthy development of the entire electric bicycle industry.

With the continuous advancement of battery technology, BMS test equipment will also be continuously upgraded to meet the needs of more efficient, safer and smarter battery management. All test equipment in the KC-BMS test system is independently developed by Kingcable's own instrument brand. The overall architecture is modular, and the communication protocol and communication interface adopt unified standards to facilitate later expansion and maintenance. The KC-BMS test system has high integration and wide application coverage. The system adopts software and hardware integrated design and is rich in functions. While ensuring the stable operation of the system, it can quickly meet more than 90% of the BMS project testing needs of various types in various industries such as power batteries, energy storage systems, and power tools.