12V 12.8Ah Battery Design Scheme of Special Application

Jul 10, 2019   Pageview:671

Missile performance test equipment is an important test equipment in the stage of missile research and production. It can simulate the real situation of missile work, and provide various analog signals needed in missile research and production. Besides, it can also control the charging order of missiles in accordance with working process. With high energy density and good safety, lithium battery pack has become the best power source for test equipment. It can cooperate with the test of various missile products in the development stage, debugging and inspection on the production line and the final inspection equipment for missile delivery. Missiles capability test equipment can also simulate target echo signal, radio signal for channel changing sent by aircraft carrier, information exchange between inertial control system and missile, charge the missile, cool the transmitter, load the work procedure and debugging procedure for the computer of missile, close the angle tracking channel and speed tracking channel, test the main technical parameters of missile automatically and judge whether it is qualified or not automatically.


Requirements for lithium-ion battery design for missile performance test equipment


Light weight and portable: it is required to be less than 3KG, light weight but high energy density.


Shockproof: consider all kinds of motion state. It may stay in bumpy environment for long time.


AC charging: can charge 220V alternating current directly.


Reliable connection: adopt GJB spiral aviation connector.


Output under stable voltage: it needs to output 12V stable voltage to assure normal operation of precise electric equipment.


Communication requirements: it needs to have communication protocol to read the information of battery.


Lithium ion battery design scheme of missiles capability test equipment


Choice of battery: choose rechargeable 26650 lithium iron phosphate 3500mAh battery with high energy density and high safety performance.


Protection plate (PCM): it is mainly designed for the protection circuit of rechargeable battery pack (generally referred to as lithium battery). Because of the chemical characteristics of lithium-ion battery, it needs protective functions of overcharge, over-discharge, short circuit, overcurrent, etc. so as to avoid combustion, explosion and other dangers.


Protection IC: it is the chip has main protective function in the design scheme. The chip monitors the cell on the functions of overcharging, over-discharging, overcurrent, short circuit, etc. at any time, which helps the battery works under safe, stable and efficient circumstance.


Environmental adaptation: dispose by cold-roll steel sheets, spray the powder on the surface and assort with internal shockproof structure for shock-resistant, waterproof and drop-resistant.


AC charging: adopt AC-DC module with high efficiency, high conversion efficiency and less peat generation.


Output under stable voltage: adopt DC-DC module with high efficiency, high conversion efficiency, less peat generation and high precision.


Capsulation of battery pack: cold-roll steel sheets and spray army green powder on the surface


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