III. Core components

the 28V/10Ah airborne battery solution mainly consists of the following parts:

1. Battery monomer

high-performance lithium ion battery or lithium iron phosphate battery monomer are usually selected. These two battery types have the advantages of high energy density, long cycle life and good safety performance. Battery cells realize the demand of 28V voltage and 10Ah capacity through series-parallel combination.

2. Battery management system (BMS)

3. Protection circuit

it integrates multiple protection circuits, including overvoltage protection, Undervoltage protection, overcurrent protection and temperature protection to ensure the safety of batteries and equipment to the greatest extent.

4. Mechanical structure and shell

the battery shell is made of lightweight and high-strength materials, which has good impact resistance and protection performance and meets the dual requirements of aircraft for weight and safety. At the same time, the shell design considers the heat dissipation performance to ensure the reasonable temperature control of the battery during the working process.

5. Connector and interface

in order to ensure good connection with airborne equipment, the battery scheme is equipped with aviation special connectors with high reliability to ensure stable electrical connection and prevent poor contact caused by vibration or environmental factors.

IV. Performance characteristics

1. Stable output voltage

the output voltage of 28v meets the voltage requirements of various airborne equipment, ensures the normal operation of the equipment, and avoids equipment failure caused by voltage fluctuation.

2. Large capacity and high energy density

the capacity of 10Ah provides long-term stable power supply for airborne equipment, supports long-term operation of equipment, and meets flight mission reguirement. Meanwhile, high energy density battery monomer is adopted to effectively control the volume and weight of battery pack.

3. Excellent charge and discharge performance

the battery can support high rate charging and discharging, quickly respond to the changes of power demand of airborne equipment, and ensure that the equipment has sufficient power support at critical moments.

4. Wide temperature working range

the design is suitable for a wide temperature range from-40℃ to + 60℃ to ensure that the battery can work normally in various climate and flight environments.

5. High safety standards

it meets the strict safety standards and certification requirements of the aviation industry, such as RTCA DO-311 and DO-160, to ensure the safety and reliability of the battery system in harsh environments.

V. Application advantages

1. Ensure the stable operation of the avionic system

as an important power source of avionic system, 28V/10Ah battery solution ensures continuous power supply of key equipment such as navigation, communication, monitoring and so on, ensuring the safety and smooth flight.

2. Adapt to complex flight environment

after strict environmental adaptability test, the battery solution can withstand complex conditions such as vibration, impact, high altitude and low temperature, ensuring the normal operation of the equipment without being affected by the environment.

3. Reduce maintenance costs

efficient battery management system and modular design simplify maintenance process,It is convenient for rapid detection and replacement, and reduces the maintenance difficulty and cost of airborne equipment.

4. Improve equipment reliability

stable power supply supports the overall reliability of hoist loading equipment, reduces faults and downtime caused by power supply problems, and improves aircraft operation efficiency.

5. Lightweight design

by optimizing the battery material and structure design, lightweight is realized, which is helpful to reduce the overall weight of the aircraft and improve the fuel efficiency and load capacity.

VI. Key points of Technical implementation

1. Battery pack design and configuration

according to the power requirements of airborne equipment, the number of batteries in series and parallel should be reasonably configured to ensure that the output voltage and capacity meet the requirements, and the internal connection of the battery pack should be optimized to reduce internal resistance and improve efficiency.

2. Intelligent battery management

the BMS software algorithm needs to accurately control the charging and discharging process, conduct battery capacity estimation, battery health management and fault diagnosis, and improve the intelligence level of the system.

3. Heat dissipation scheme design

combined with the heat dissipation conditions of aircraft engine room, effective heat dissipation structure is designed or phase change materials are adopted to prevent the battery from overheating and ensure stable performance.

4. Standardization of mechanical and electrical interfaces

the mechanical structure and electrical interface conforming to aviation standards are adopted to ensure compatibility with airborne equipment and installation convenience.

5. Safety testing and certification

carry out strict safety tests, including short circuit test, overcharge and overdischarge test, vibration and impact test, to ensure that the battery scheme meets the safety certification requirements of civil aviation and military aviation.

With its high energy density, stable power supply and excellent environmental adaptability, the battery scheme of 28V/10Ah airborne equipment has become an indispensable power guarantee for modern avionic systems. Through reasonable design and strict safety management, this scheme not only meets the demand of airborne equipment for high-performance power supply, but also provides solid protection for flight safety.Barrier.