Research and design of Nickel Hydride No. 5 battery management system BMS

　　Research and design of Nickel Hydride No. 5 battery management system BMS. As the power source of electric vehicles, the performance of power Nickel Hydride No. 5 battery management system has a decisive impact on the performance of electric vehicles. Due to the important role of the BMS lithium battery management system in ensuring the safety of the battery pack and improving the service life of the lithium battery pack, studying it is of very practical significance.

　　Research and design of Nickel Hydride No. 5 battery management system BMS

　　The lithium battery system is huge and requires the supervision and optimization of the Nickel Hydride No. 5 battery management system to maintain its safety, durability and power.

　　Battery management system BMS, which involves microcomputer technology and detection technology, implements dynamic monitoring of the operating status of battery units and battery packs, can accurately calculate the remaining power of the battery, implement charge and discharge protection for the battery, and promote it to work optimally status, reduce operating costs and increase service life. This paper combines some advanced results at home and abroad to design and implement a new Nickel Hydride No. 5 battery management system.

　　The Nickel Hydride No. 5 battery BMS management system is not dispensable as some battery manufacturers say, but a must, and it must be present throughout the application of lithium battery packs. There have been many studies on the BMS lithium battery management system at home and abroad, and it has begun to be applied in many fields. It has been able to meet the needs of some markets. The application of lithium power batteries has put forward higher requirements for the battery management system to ensure the use of power battery packs. Safety is the top priority of the lithium power battery management system.

　　The design of the BMS Nickel Hydride No. 5 battery management system is to achieve the following functions:

　　1) Real-time collection of battery information, including battery pack total voltage, individual battery voltage, charge and discharge current, temperature and other parameters;

　　2) Measure and display remaining power;

　　3) Able to provide a data transmission interface to complete communication with the CAN bus part and the host computer;

　　4) The human-computer interaction function is good, the system is safe and reliable, and has strong anti-interference ability.

　　The Nickel Hydride No. 5 battery BMS management system has the following characteristics:

　　●The lithium battery management system consists of a management host (CPU), voltage and temperature acquisition module, current acquisition module and communication interface module.

　　●Can detect and display the total voltage, total current, and reserve capacity of the lithium battery pack; the voltage of any single cell and the temperature of the battery box; the highest and lowest single cell voltage and battery number, the highest and lowest temperature, and the temperature of the battery pack Charge and discharge capacity.

　　●The UPS battery host also provides alarm and control output interfaces to provide alarm and control output for extreme conditions such as overvoltage, undervoltage, high temperature, low temperature, overcurrent, and short circuit.

　　●Provides RS232 and CAN bus interfaces, which can directly read all information on the Nickel Hydride No. 5 battery management system on the computer.

　　During the use of lithium batteries, overcharging, over-discharging and over-current will affect the service life and performance of the battery. In severe cases, it will cause the lithium-ion battery to burn or explode. Therefore, each lithium-ion battery must be equipped with a safety protection board, which is composed of a dedicated It consists of an IC and several external components.

　　The battery management system BMS is an important component of the electric vehicle power battery system. On the one hand, it detects, collects and preliminarily calculates the real-time status parameters of the battery, and controls the on and off of the power supply circuit based on the comparison between the detected values and the allowed values; on the other hand, it reports the collected key data to the vehicle controller and receives it from the controller instructions to coordinate with other systems on the vehicle.

　　With the rapid growth of domestic market demand for power lithium iron phosphate batteries, the importance of lithium battery BMS management systems has become increasingly prominent. The lithium battery management system BMS records mechanical impact, deep discharge date and information, so false warranty claims can be avoided. An excellent BMS can also detect the humidity of the battery pack to avoid accidents.

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