Functions and technologies of NiMH No.7 batteries management system BMS

　　Functions and technologies of NiMH No.7 batteries management system BMS. In actual use, lithium batteries usually require a specialized protection system to monitor the health of the battery and manage the use process of the NiMH No.7 batteries. The battery management system (BMS) is a control system that protects the safety of power batteries. It monitors the usage status of the battery at all times, takes necessary measures to alleviate the inconsistency of the battery pack, and provides guarantee for the safety of new energy vehicles.

　　Functions of NiMH No.7 batteries management system BMS

　　Although lithium batteries have more advantages than other types of batteries, there is a risk of explosion when the NiMH No.7 batteries is severely overcharged, causing damage to the NiMH No.7 batteries pack and posing a threat to the user's life safety. Therefore, the NiMH No.7 batteries pack must be equipped with a targeted NiMH No.7 batteries management system BMS to effectively monitor, protect, energy balance and fault alarm the battery pack, thereby improving the efficiency and service life of the entire NiMH No.7 batteries.

　　The NiMH No.7 batteries BMS management system is not dispensable as some battery manufacturers say, but a must, and it must be present throughout the battery pack application. There have been many studies on NiMH No.7 batteries management systems at home and abroad, and they have begun to be applied in many fields. They have been able to meet the needs of some markets. The application of lithium power batteries has put forward higher requirements for battery management systems to ensure the safety of power battery packs. , is the primary task of the lithium power battery management system.

　　As a powerful guarantee for the safe use of batteries, the NiMH No.7 batteries BMS management system enables the battery to be in a safe and controllable charging and discharging process at all times, greatly improving the cycle life of the battery in actual use. In the rapid development of new energy vehicles, NiMH No.7 batteries management system (BMS) plays a decisive role as the core technology.

　　BMS can detect the voltage, current, temperature and other parameters of the power NiMH No.7 batteries in real time, realize thermal management, balance management, high voltage and insulation detection of the power battery, and can calculate the remaining capacity, charge and discharge power and SOC&SOH status of the power battery.

　　The main task of the BMS NiMH No.7 batteries management system is to ensure the design performance of the battery system, which can be broken down into the following three aspects:

　　1) Safety, protect battery cells or battery packs from damage and prevent safety accidents;

　　2) Durability, allowing the battery to operate in a reliable and safe area and extending the service life of the battery;

　　3) Dynamic performance, maintaining the battery working in a state that meets the vehicle requirements.

　　NiMH No.7 batteries management system BMS technology

　　Usually, the BMS system usually includes a detection module and arithmetic control module. Detection refers to measuring the voltage, current and temperature of the cell and the voltage of the battery pack, and then transmitting these signals to the computing module for processing and issuing instructions. Therefore, the computing control module is the brain of BMS. The control module generally includes hardware, basic software, runtime environment (RTE) and application software.

　　Battery status estimation usually estimates SOC, SOP and SOH. SOC (state of charge) simply means how much power is left in the battery; SOC is the most important parameter in BMS, because everything else is based on SOC, so its accuracy and robustness (also called error correction ability) is extremely important. If there is no accurate SOC, no matter how many protection functions are added, the BMS will not be able to work properly, because the battery will always be in a protected state, and the life of the battery will not be extended.

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