Main function of Car battery is the battery management system

Main function of the Sealed Maintenance Free Battery is battery management system

Key tip: The Battery Management System is an integral part of the Power Battery System. From the battery pack to the final packaged vehicle. With good hardware, it also needs a management system to ensure the safety of the Lead acid battery. Run efficiently. This article will introduce you to the main functions of the battery management system.

The battery management system is an essential part of the battery system. From the battery pack to the finished vehicle. With good hardware and a good management system, the battery can be operated safely and efficiently. . This article introduces the main functions of the battery management system.

Battery condition monitoring

Refers to the collection and monitoring of battery system voltage, current, temperature and other data, which is the basic function of battery management, other functions are based on this interaction.

Battery condition analysis

Assessing the state of charge, i.e. how much power the Maintenance Free Lead Acid Battery has left, is the most basic and technically essential function. The accuracy and precision of the assessment directly determines the efficiency of the electric vehicle's battery operation. There is a lot of literature and studies on SOC assessment.

The State of Health assessment, i.e. the health status of the battery, is evaluated as the performance of the battery deteriorates. The current typical indicator is the monitoring of the battery capacity decay status after a certain period of time.

Battery safety protection

I believe that everyone is very concerned and sensitive about battery fire accidents. Battery safety protection is one of the most important functions in battery management.

Battery safety protection generally includes over-current protection, over-charge protection, over-discharge protection and over-temperature protection. If the system detects an over-current, over-charge, over-discharge or over-temperature abnormality, it will promptly take action such as disconnecting the circuit and issuing a warning.

Power control management

This mainly includes charge control management, discharge control management and battery equalisation management. The aim is to make the battery operate in the most efficient and energy-saving way. To give a simple example, an electric vehicle equipped with a good energy management system can drive many more kilometres for the same charge.

Battery information management

Including the battery information display, that is, through the meter to display the battery status information to inform the driver; system internal and external information exchange, is divided into two parts, one part is the battery system internal information data exchange (intranet), one part is with the vehicle The controller / engine controller interacts (outside the network); battery history information is stored for data buffering, battery status analysis, and fault analysis and troubleshooting.

The battery management system is a new and interdisciplinary field. With the rapid development of electric vehicles, various battery management system suppliers have mushroomed in the market. As mentioned in this article, the basic functions of battery management are the same. If you understand this essence, you will not worry about being overwhelmed by too much information.