The battery management system (Battery Management System) is an indispensable part of the battery system. The battery packs from the battery pack to the final package car. With good hardware and a management system, the battery can be safely and efficiently operated. . This article will introduce you to the main functions of the battery management system. As shown below: Battery condition monitoring Refers to the battery system voltage, current, temperature and other data collection and monitoring, which is the basic function of battery management, other functions are based on this interaction. Battery status analysis The state of charge (State of Charge) assessment, which is how much power the battery has left, is the most basic and technically-essential feature. The accuracy and accuracy of the assessment directly determine the efficiency of the electric vehicle battery operation. There are many literatures and studies for SOC assessment. The State of Health assessment, that is, the battery's health status is evaluated as the battery's performance declines. 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 to battery fire accidents. Battery safety protection is one of the most important functions in battery management. Battery safety protection generally includes over-current protection, overcharge and over-discharge protection, and over-temperature protection. If the system detects an overcurrent, overcharging, overdischarging, and overtemperature abnormality, the system will promptly take measures such as cutting off the circuit and issuing a warning. Energy Control Management It mainly includes charge control management, discharge control management, and battery equalization management. The purpose is to make the battery operate in the most efficient and energy-saving manner. To give a simple example, an electric vehicle equipped with a good energy management system can run many kilometers more when charging the same electricity. 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/motor controller interacts (outside the network); battery history information is stored for data buffering, battery status analysis, and failure analysis and troubleshooting. The battery management system is a new and interdisciplinary field. With the rapid development of electric vehicles, various suppliers of battery management systems in the market have mushroomed. As mentioned in this article, the basic functions of battery management are the same. If you grasp this essence, you will not worry about going too far because of too much information. Carbonated Drinks Filling Machine
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Core Tip: The battery management system (Battery Management System) is an integral part of the power battery system. The battery packs from the battery pack to the final package car. With good hardware, it also requires a management system to ensure the safety of the battery. Run efficiently. This article will introduce you to the main functions of the battery management system.