With the continuous upgrading of modern military communication equipment, the key is to ensure the stable and reliable operation of the power system of the communication vehicle. Especially in complex environments such as Plateau, the performance of power battery system directly affects the operational efficiency of communication vehicles. This paper focuses on the 48V200Ah military plateau communication vehicle battery 9.6kWh system, and introduces in detail the technical characteristics, structural design, performance index and adaptability in plateau environment of the battery system, this paper focuses on its application value in military plateau communication vehicles.

I. Basic system parameters and composition

the rated capacity of the battery system of 48V200Ah military plateau communication vehicle is 200Ah, the rated voltage is 48V, and the total energy reaches 9.6kWh. The system is generally composed of several lithium-ion power battery units through reasonable series-parallel combination, together with perfect battery management system (BMS), to meet the long-time and high-load operation requirements of military communication vehicles.

1. Battery capacity and voltage

the capacity of 200Ah ensures that the battery system has a large energy reserve and meets the power demand of communication equipment and vehicle. The voltage level of 48V takes into account the safety and power output of the system, and is suitable for power and auxiliary equipment of various military communication vehicles.

2. Modular design

3. Battery management system (BMS)

BMS is the core component of the battery system, which is responsible for monitoring the voltage, current, temperature and other state parameters of the battery in real time to ensure that the battery works within a safe range. BMS has the function of balanced charging, which can prolong the service life of the battery and provide early warning and protection for abnormal states.

II. Adaptability design of plateau environment

the environment in plateau area is complex, and natural conditions such as low pressure, low temperature, large temperature difference, strong ultraviolet ray and so on pose severe challenges to the battery system. In view of these characteristics, 48V200Ah military plateau communication vehicle battery system has adopted a number of technical measures in the design and manufacture to ensure its stable and reliable operation.

1. Low temperature performance optimization

low temperature environment will reduce the chemical reaction rate of lithium ion batteries and affect the capacity and discharge performance. The battery system selects battery materials with excellent low temperature performance, optimizes electrolyte formula, and improves the discharge capacity and electrochemical stability of the battery at low temperature. At the same time, BMS is equipped with low temperature heating function to ensure that the battery quickly returns to normal working state in cold environment.

2. Mechanical structure strengthening

the terrain in plateau area is complex, and vehicles will bear strong vibration and impact during driving. The battery system is designed with strong and durable structure, wrapped with anti-seismic and shock-absorbing materials, and raised by resistance to shock to prevent damage to battery cells and connecting parts and ensure system safety.

3. Improved protection level

considering the strong ultraviolet ray and Dust Environment of the plateau, the battery pack shell adopts dustproof and waterproof design, reaching the protection level of IP65 and above, preventing the external environment from damaging the internal components of the battery system and prolonging the service life.

4. High altitude air pressure compensation

low-pressure environment may affect the internal gas release and thermal management system of the battery. In the design, the internal structure and ventilation system of the battery are optimized to ensure the safe operation of the battery under the condition of low pressure on the plateau, prevent battery gas amplification or leakage caused by drum bag.

III. Performance indicators and security assurance

48V200Ah military plateau communication vehicle battery system not only in capacity and energyMeet the demand in terms of quantity, and pay more attention to the performance and safety in actual operation.

1. Energy density and cycle life

the system has high energy density and strong energy storage capacity per unit volume and weight, which meets the dual requirements of communication vehicles for light weight and endurance. The cycle life of the battery can generally reach more than 1,000 times, ensuring the economy and reliability during long-term service.

2. Charge and discharge performance

the system supports high rate charging and discharging to meet the needs of fast charging and high power output of communication vehicles in emergency situations. Through intelligent management, BMS realizes the dynamic adjustment of the charging and discharging process, prevents overcharge and overdischarge, and ensures the stable operation of the battery.

3. Security protection mechanism

the battery system has multiple security protection functions, including overvoltage protection, overcurrent protection, short circuit protection, over temperature protection and balanced management, to minimize security risks. The battery material adopts flame retardant design to further improve the system safety.

4. Temperature management

battery System equipped with high-efficiency temperature control system to ensure the temperature balance of the battery during the working process and avoid potential safety hazards caused by local overheating. The temperature management system supports active heat dissipation and heating to adapt to the characteristics of large temperature difference between day and night on the plateau.

IV. Application scenarios and advantages

48V200Ah military plateau communication vehicle battery system is mainly applied to military communication support vehicles in plateau area, providing stable power support for communication equipment and vehicle power system. Its technical advantages are reflected in the following aspects:

• adapt to plateau extreme environment: specially designed for low temperature, low voltage and high vibration environment to ensure the continuous operation of communication vehicles under complex terrain and climate conditions.
• High energy reserve: the total energy of 9.6kWh can meet the long-term operation of communication equipment, reduce frequent charging requirements and improve operational efficiency.
• Safe and reliable: perfect battery management and safety protection system to ensure the safety of military equipment and avoid accidents caused by battery failure.
• Modular maintenance convenience: module design facilitates quick on-site replacement and maintenance, improves security efficiency and shortens downtime.
• Lightweight design: the application of high energy density and light materials reduces vehicle load and improves vehicle mobility.

48V200Ah military plateau communication vehicle battery 9.6kWh system is a high-performance power battery system specially designed for the harsh environment of the plateau, which has excellent low temperature adaptability, structural reliability and safety guarantee capability. Its advanced battery management system and modular design not only meet the high requirements of military communication vehicles for endurance and safety, but also significantly improve the overall operational efficiency of the equipment.